1 /*-
2 * SPDX-License-Identifier: BSD-2-Clause
3 *
4 * Copyright (c) 2012, 2016 Chelsio Communications, Inc.
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * SUCH DAMAGE.
27 */
28
29 #include <sys/cdefs.h>
30 #include "opt_inet.h"
31
32 #include <sys/param.h>
33 #include <sys/eventhandler.h>
34
35 #include "common.h"
36 #include "t4_regs.h"
37 #include "t4_regs_values.h"
38 #include "firmware/t4fw_interface.h"
39
40 #undef msleep
41 #define msleep(x) do { \
42 if (cold) \
43 DELAY((x) * 1000); \
44 else \
45 pause("t4hw", (x) * hz / 1000); \
46 } while (0)
47
48 /**
49 * t4_wait_op_done_val - wait until an operation is completed
50 * @adapter: the adapter performing the operation
51 * @reg: the register to check for completion
52 * @mask: a single-bit field within @reg that indicates completion
53 * @polarity: the value of the field when the operation is completed
54 * @attempts: number of check iterations
55 * @delay: delay in usecs between iterations
56 * @valp: where to store the value of the register at completion time
57 *
58 * Wait until an operation is completed by checking a bit in a register
59 * up to @attempts times. If @valp is not NULL the value of the register
60 * at the time it indicated completion is stored there. Returns 0 if the
61 * operation completes and -EAGAIN otherwise.
62 */
t4_wait_op_done_val(struct adapter * adapter,int reg,u32 mask,int polarity,int attempts,int delay,u32 * valp)63 static int t4_wait_op_done_val(struct adapter *adapter, int reg, u32 mask,
64 int polarity, int attempts, int delay, u32 *valp)
65 {
66 while (1) {
67 u32 val = t4_read_reg(adapter, reg);
68
69 if (!!(val & mask) == polarity) {
70 if (valp)
71 *valp = val;
72 return 0;
73 }
74 if (--attempts == 0)
75 return -EAGAIN;
76 if (delay)
77 udelay(delay);
78 }
79 }
80
t4_wait_op_done(struct adapter * adapter,int reg,u32 mask,int polarity,int attempts,int delay)81 static inline int t4_wait_op_done(struct adapter *adapter, int reg, u32 mask,
82 int polarity, int attempts, int delay)
83 {
84 return t4_wait_op_done_val(adapter, reg, mask, polarity, attempts,
85 delay, NULL);
86 }
87
88 /**
89 * t4_set_reg_field - set a register field to a value
90 * @adapter: the adapter to program
91 * @addr: the register address
92 * @mask: specifies the portion of the register to modify
93 * @val: the new value for the register field
94 *
95 * Sets a register field specified by the supplied mask to the
96 * given value.
97 */
t4_set_reg_field(struct adapter * adapter,unsigned int addr,u32 mask,u32 val)98 void t4_set_reg_field(struct adapter *adapter, unsigned int addr, u32 mask,
99 u32 val)
100 {
101 u32 v = t4_read_reg(adapter, addr) & ~mask;
102
103 t4_write_reg(adapter, addr, v | val);
104 (void) t4_read_reg(adapter, addr); /* flush */
105 }
106
107 /**
108 * t4_read_indirect - read indirectly addressed registers
109 * @adap: the adapter
110 * @addr_reg: register holding the indirect address
111 * @data_reg: register holding the value of the indirect register
112 * @vals: where the read register values are stored
113 * @nregs: how many indirect registers to read
114 * @start_idx: index of first indirect register to read
115 *
116 * Reads registers that are accessed indirectly through an address/data
117 * register pair.
118 */
t4_read_indirect(struct adapter * adap,unsigned int addr_reg,unsigned int data_reg,u32 * vals,unsigned int nregs,unsigned int start_idx)119 void t4_read_indirect(struct adapter *adap, unsigned int addr_reg,
120 unsigned int data_reg, u32 *vals,
121 unsigned int nregs, unsigned int start_idx)
122 {
123 while (nregs--) {
124 t4_write_reg(adap, addr_reg, start_idx);
125 *vals++ = t4_read_reg(adap, data_reg);
126 start_idx++;
127 }
128 }
129
130 /**
131 * t4_write_indirect - write indirectly addressed registers
132 * @adap: the adapter
133 * @addr_reg: register holding the indirect addresses
134 * @data_reg: register holding the value for the indirect registers
135 * @vals: values to write
136 * @nregs: how many indirect registers to write
137 * @start_idx: address of first indirect register to write
138 *
139 * Writes a sequential block of registers that are accessed indirectly
140 * through an address/data register pair.
141 */
t4_write_indirect(struct adapter * adap,unsigned int addr_reg,unsigned int data_reg,const u32 * vals,unsigned int nregs,unsigned int start_idx)142 void t4_write_indirect(struct adapter *adap, unsigned int addr_reg,
143 unsigned int data_reg, const u32 *vals,
144 unsigned int nregs, unsigned int start_idx)
145 {
146 while (nregs--) {
147 t4_write_reg(adap, addr_reg, start_idx++);
148 t4_write_reg(adap, data_reg, *vals++);
149 }
150 }
151
152 /*
153 * Read a 32-bit PCI Configuration Space register via the PCI-E backdoor
154 * mechanism. This guarantees that we get the real value even if we're
155 * operating within a Virtual Machine and the Hypervisor is trapping our
156 * Configuration Space accesses.
157 *
158 * N.B. This routine should only be used as a last resort: the firmware uses
159 * the backdoor registers on a regular basis and we can end up
160 * conflicting with it's uses!
161 */
t4_hw_pci_read_cfg4(adapter_t * adap,int reg)162 u32 t4_hw_pci_read_cfg4(adapter_t *adap, int reg)
163 {
164 u32 req = V_FUNCTION(adap->pf) | V_REGISTER(reg);
165 u32 val;
166
167 if (chip_id(adap) <= CHELSIO_T5)
168 req |= F_ENABLE;
169 else
170 req |= F_T6_ENABLE;
171
172 if (is_t4(adap))
173 req |= F_LOCALCFG;
174
175 t4_write_reg(adap, A_PCIE_CFG_SPACE_REQ, req);
176 val = t4_read_reg(adap, A_PCIE_CFG_SPACE_DATA);
177
178 /*
179 * Reset F_ENABLE to 0 so reads of PCIE_CFG_SPACE_DATA won't cause a
180 * Configuration Space read. (None of the other fields matter when
181 * F_ENABLE is 0 so a simple register write is easier than a
182 * read-modify-write via t4_set_reg_field().)
183 */
184 t4_write_reg(adap, A_PCIE_CFG_SPACE_REQ, 0);
185
186 return val;
187 }
188
189 /*
190 * t4_report_fw_error - report firmware error
191 * @adap: the adapter
192 *
193 * The adapter firmware can indicate error conditions to the host.
194 * If the firmware has indicated an error, print out the reason for
195 * the firmware error.
196 */
t4_report_fw_error(struct adapter * adap)197 void t4_report_fw_error(struct adapter *adap)
198 {
199 static const char *const reason[] = {
200 "Crash", /* PCIE_FW_EVAL_CRASH */
201 "During Device Preparation", /* PCIE_FW_EVAL_PREP */
202 "During Device Configuration", /* PCIE_FW_EVAL_CONF */
203 "During Device Initialization", /* PCIE_FW_EVAL_INIT */
204 "Unexpected Event", /* PCIE_FW_EVAL_UNEXPECTEDEVENT */
205 "Insufficient Airflow", /* PCIE_FW_EVAL_OVERHEAT */
206 "Device Shutdown", /* PCIE_FW_EVAL_DEVICESHUTDOWN */
207 "Reserved", /* reserved */
208 };
209 u32 pcie_fw;
210
211 pcie_fw = t4_read_reg(adap, A_PCIE_FW);
212 if (pcie_fw & F_PCIE_FW_ERR) {
213 CH_ERR(adap, "firmware reports adapter error: %s (0x%08x)\n",
214 reason[G_PCIE_FW_EVAL(pcie_fw)], pcie_fw);
215 }
216 }
217
218 /*
219 * Get the reply to a mailbox command and store it in @rpl in big-endian order.
220 */
get_mbox_rpl(struct adapter * adap,__be64 * rpl,int nflit,u32 mbox_addr)221 static void get_mbox_rpl(struct adapter *adap, __be64 *rpl, int nflit,
222 u32 mbox_addr)
223 {
224 for ( ; nflit; nflit--, mbox_addr += 8)
225 *rpl++ = cpu_to_be64(t4_read_reg64(adap, mbox_addr));
226 }
227
228 /*
229 * Handle a FW assertion reported in a mailbox.
230 */
fw_asrt(struct adapter * adap,struct fw_debug_cmd * asrt)231 static void fw_asrt(struct adapter *adap, struct fw_debug_cmd *asrt)
232 {
233 CH_ALERT(adap,
234 "FW assertion at %.16s:%u, val0 %#x, val1 %#x\n",
235 asrt->u.assert.filename_0_7,
236 be32_to_cpu(asrt->u.assert.line),
237 be32_to_cpu(asrt->u.assert.x),
238 be32_to_cpu(asrt->u.assert.y));
239 }
240
241 struct port_tx_state {
242 uint64_t rx_pause;
243 uint64_t tx_frames;
244 };
245
246 u32
t4_port_reg(struct adapter * adap,u8 port,u32 reg)247 t4_port_reg(struct adapter *adap, u8 port, u32 reg)
248 {
249 if (chip_id(adap) > CHELSIO_T4)
250 return T5_PORT_REG(port, reg);
251 return PORT_REG(port, reg);
252 }
253
254 static void
read_tx_state_one(struct adapter * sc,int i,struct port_tx_state * tx_state)255 read_tx_state_one(struct adapter *sc, int i, struct port_tx_state *tx_state)
256 {
257 uint32_t rx_pause_reg, tx_frames_reg;
258
259 rx_pause_reg = t4_port_reg(sc, i, A_MPS_PORT_STAT_RX_PORT_PAUSE_L);
260 tx_frames_reg = t4_port_reg(sc, i, A_MPS_PORT_STAT_TX_PORT_FRAMES_L);
261
262 tx_state->rx_pause = t4_read_reg64(sc, rx_pause_reg);
263 tx_state->tx_frames = t4_read_reg64(sc, tx_frames_reg);
264 }
265
266 static void
read_tx_state(struct adapter * sc,struct port_tx_state * tx_state)267 read_tx_state(struct adapter *sc, struct port_tx_state *tx_state)
268 {
269 int i;
270
271 for_each_port(sc, i)
272 read_tx_state_one(sc, i, &tx_state[i]);
273 }
274
275 static void
check_tx_state(struct adapter * sc,struct port_tx_state * tx_state)276 check_tx_state(struct adapter *sc, struct port_tx_state *tx_state)
277 {
278 uint32_t port_ctl_reg;
279 uint64_t tx_frames, rx_pause;
280 int i;
281
282 for_each_port(sc, i) {
283 rx_pause = tx_state[i].rx_pause;
284 tx_frames = tx_state[i].tx_frames;
285 read_tx_state_one(sc, i, &tx_state[i]); /* update */
286
287 port_ctl_reg = t4_port_reg(sc, i, A_MPS_PORT_CTL);
288 if (t4_read_reg(sc, port_ctl_reg) & F_PORTTXEN &&
289 rx_pause != tx_state[i].rx_pause &&
290 tx_frames == tx_state[i].tx_frames) {
291 t4_set_reg_field(sc, port_ctl_reg, F_PORTTXEN, 0);
292 mdelay(1);
293 t4_set_reg_field(sc, port_ctl_reg, F_PORTTXEN, F_PORTTXEN);
294 }
295 }
296 }
297
298 #define X_CIM_PF_NOACCESS 0xeeeeeeee
299 /**
300 * t4_wr_mbox_meat_timeout - send a command to FW through the given mailbox
301 * @adap: the adapter
302 * @mbox: index of the mailbox to use
303 * @cmd: the command to write
304 * @size: command length in bytes
305 * @rpl: where to optionally store the reply
306 * @sleep_ok: if true we may sleep while awaiting command completion
307 * @timeout: time to wait for command to finish before timing out
308 * (negative implies @sleep_ok=false)
309 *
310 * Sends the given command to FW through the selected mailbox and waits
311 * for the FW to execute the command. If @rpl is not %NULL it is used to
312 * store the FW's reply to the command. The command and its optional
313 * reply are of the same length. Some FW commands like RESET and
314 * INITIALIZE can take a considerable amount of time to execute.
315 * @sleep_ok determines whether we may sleep while awaiting the response.
316 * If sleeping is allowed we use progressive backoff otherwise we spin.
317 * Note that passing in a negative @timeout is an alternate mechanism
318 * for specifying @sleep_ok=false. This is useful when a higher level
319 * interface allows for specification of @timeout but not @sleep_ok ...
320 *
321 * The return value is 0 on success or a negative errno on failure. A
322 * failure can happen either because we are not able to execute the
323 * command or FW executes it but signals an error. In the latter case
324 * the return value is the error code indicated by FW (negated).
325 */
t4_wr_mbox_meat_timeout(struct adapter * adap,int mbox,const void * cmd,int size,void * rpl,bool sleep_ok,int timeout)326 int t4_wr_mbox_meat_timeout(struct adapter *adap, int mbox, const void *cmd,
327 int size, void *rpl, bool sleep_ok, int timeout)
328 {
329 /*
330 * We delay in small increments at first in an effort to maintain
331 * responsiveness for simple, fast executing commands but then back
332 * off to larger delays to a maximum retry delay.
333 */
334 static const int delay[] = {
335 1, 1, 3, 5, 10, 10, 20, 50, 100
336 };
337 u32 v;
338 u64 res;
339 int i, ms, delay_idx, ret, next_tx_check;
340 u32 data_reg = PF_REG(mbox, A_CIM_PF_MAILBOX_DATA);
341 u32 ctl_reg = PF_REG(mbox, A_CIM_PF_MAILBOX_CTRL);
342 u32 ctl;
343 __be64 cmd_rpl[MBOX_LEN/8];
344 u32 pcie_fw;
345 struct port_tx_state tx_state[MAX_NPORTS];
346
347 if (adap->flags & CHK_MBOX_ACCESS)
348 ASSERT_SYNCHRONIZED_OP(adap);
349
350 if (size <= 0 || (size & 15) || size > MBOX_LEN)
351 return -EINVAL;
352
353 if (adap->flags & IS_VF) {
354 if (is_t6(adap))
355 data_reg = FW_T6VF_MBDATA_BASE_ADDR;
356 else
357 data_reg = FW_T4VF_MBDATA_BASE_ADDR;
358 ctl_reg = VF_CIM_REG(A_CIM_VF_EXT_MAILBOX_CTRL);
359 }
360
361 /*
362 * If we have a negative timeout, that implies that we can't sleep.
363 */
364 if (timeout < 0) {
365 sleep_ok = false;
366 timeout = -timeout;
367 }
368
369 /*
370 * Attempt to gain access to the mailbox.
371 */
372 pcie_fw = 0;
373 if (!(adap->flags & IS_VF)) {
374 pcie_fw = t4_read_reg(adap, A_PCIE_FW);
375 if (pcie_fw & F_PCIE_FW_ERR)
376 goto failed;
377 }
378 for (i = 0; i < 4; i++) {
379 ctl = t4_read_reg(adap, ctl_reg);
380 v = G_MBOWNER(ctl);
381 if (v != X_MBOWNER_NONE)
382 break;
383 }
384
385 /*
386 * If we were unable to gain access, report the error to our caller.
387 */
388 if (v != X_MBOWNER_PL) {
389 if (!(adap->flags & IS_VF)) {
390 pcie_fw = t4_read_reg(adap, A_PCIE_FW);
391 if (pcie_fw & F_PCIE_FW_ERR)
392 goto failed;
393 }
394 ret = (v == X_MBOWNER_FW) ? -EBUSY : -ETIMEDOUT;
395 return ret;
396 }
397
398 /*
399 * If we gain ownership of the mailbox and there's a "valid" message
400 * in it, this is likely an asynchronous error message from the
401 * firmware. So we'll report that and then proceed on with attempting
402 * to issue our own command ... which may well fail if the error
403 * presaged the firmware crashing ...
404 */
405 if (ctl & F_MBMSGVALID) {
406 CH_DUMP_MBOX(adap, mbox, data_reg, "VLD", NULL, true);
407 }
408
409 /*
410 * Copy in the new mailbox command and send it on its way ...
411 */
412 memset(cmd_rpl, 0, sizeof(cmd_rpl));
413 memcpy(cmd_rpl, cmd, size);
414 CH_DUMP_MBOX(adap, mbox, 0, "cmd", cmd_rpl, false);
415 for (i = 0; i < ARRAY_SIZE(cmd_rpl); i++)
416 t4_write_reg64(adap, data_reg + i * 8, be64_to_cpu(cmd_rpl[i]));
417
418 if (adap->flags & IS_VF) {
419 /*
420 * For the VFs, the Mailbox Data "registers" are
421 * actually backed by T4's "MA" interface rather than
422 * PL Registers (as is the case for the PFs). Because
423 * these are in different coherency domains, the write
424 * to the VF's PL-register-backed Mailbox Control can
425 * race in front of the writes to the MA-backed VF
426 * Mailbox Data "registers". So we need to do a
427 * read-back on at least one byte of the VF Mailbox
428 * Data registers before doing the write to the VF
429 * Mailbox Control register.
430 */
431 t4_read_reg(adap, data_reg);
432 }
433
434 t4_write_reg(adap, ctl_reg, F_MBMSGVALID | V_MBOWNER(X_MBOWNER_FW));
435 read_tx_state(adap, &tx_state[0]); /* also flushes the write_reg */
436 next_tx_check = 1000;
437 delay_idx = 0;
438 ms = delay[0];
439
440 /*
441 * Loop waiting for the reply; bail out if we time out or the firmware
442 * reports an error.
443 */
444 for (i = 0; i < timeout; i += ms) {
445 if (!(adap->flags & IS_VF)) {
446 pcie_fw = t4_read_reg(adap, A_PCIE_FW);
447 if (pcie_fw & F_PCIE_FW_ERR)
448 break;
449 }
450
451 if (i >= next_tx_check) {
452 check_tx_state(adap, &tx_state[0]);
453 next_tx_check = i + 1000;
454 }
455
456 if (sleep_ok) {
457 ms = delay[delay_idx]; /* last element may repeat */
458 if (delay_idx < ARRAY_SIZE(delay) - 1)
459 delay_idx++;
460 msleep(ms);
461 } else {
462 mdelay(ms);
463 }
464
465 v = t4_read_reg(adap, ctl_reg);
466 if (v == X_CIM_PF_NOACCESS)
467 continue;
468 if (G_MBOWNER(v) == X_MBOWNER_PL) {
469 if (!(v & F_MBMSGVALID)) {
470 t4_write_reg(adap, ctl_reg,
471 V_MBOWNER(X_MBOWNER_NONE));
472 continue;
473 }
474
475 /*
476 * Retrieve the command reply and release the mailbox.
477 */
478 get_mbox_rpl(adap, cmd_rpl, MBOX_LEN/8, data_reg);
479 CH_DUMP_MBOX(adap, mbox, 0, "rpl", cmd_rpl, false);
480 t4_write_reg(adap, ctl_reg, V_MBOWNER(X_MBOWNER_NONE));
481
482 res = be64_to_cpu(cmd_rpl[0]);
483 if (G_FW_CMD_OP(res >> 32) == FW_DEBUG_CMD) {
484 fw_asrt(adap, (struct fw_debug_cmd *)cmd_rpl);
485 res = V_FW_CMD_RETVAL(EIO);
486 } else if (rpl)
487 memcpy(rpl, cmd_rpl, size);
488 return -G_FW_CMD_RETVAL((int)res);
489 }
490 }
491
492 /*
493 * We timed out waiting for a reply to our mailbox command. Report
494 * the error and also check to see if the firmware reported any
495 * errors ...
496 */
497 CH_ERR(adap, "command %#x in mbox %d timed out (0x%08x).\n",
498 *(const u8 *)cmd, mbox, pcie_fw);
499 CH_DUMP_MBOX(adap, mbox, 0, "cmdsent", cmd_rpl, true);
500 CH_DUMP_MBOX(adap, mbox, data_reg, "current", NULL, true);
501 failed:
502 adap->flags &= ~FW_OK;
503 ret = pcie_fw & F_PCIE_FW_ERR ? -ENXIO : -ETIMEDOUT;
504 t4_fatal_err(adap, true);
505 return ret;
506 }
507
t4_wr_mbox_meat(struct adapter * adap,int mbox,const void * cmd,int size,void * rpl,bool sleep_ok)508 int t4_wr_mbox_meat(struct adapter *adap, int mbox, const void *cmd, int size,
509 void *rpl, bool sleep_ok)
510 {
511 return t4_wr_mbox_meat_timeout(adap, mbox, cmd, size, rpl,
512 sleep_ok, FW_CMD_MAX_TIMEOUT);
513
514 }
515
t4_edc_err_read(struct adapter * adap,int idx)516 static int t4_edc_err_read(struct adapter *adap, int idx)
517 {
518 u32 edc_ecc_err_addr_reg;
519 u32 edc_bist_status_rdata_reg;
520
521 if (is_t4(adap)) {
522 CH_WARN(adap, "%s: T4 NOT supported.\n", __func__);
523 return 0;
524 }
525 if (idx != MEM_EDC0 && idx != MEM_EDC1) {
526 CH_WARN(adap, "%s: idx %d NOT supported.\n", __func__, idx);
527 return 0;
528 }
529
530 edc_ecc_err_addr_reg = EDC_T5_REG(A_EDC_H_ECC_ERR_ADDR, idx);
531 edc_bist_status_rdata_reg = EDC_T5_REG(A_EDC_H_BIST_STATUS_RDATA, idx);
532
533 CH_WARN(adap,
534 "edc%d err addr 0x%x: 0x%x.\n",
535 idx, edc_ecc_err_addr_reg,
536 t4_read_reg(adap, edc_ecc_err_addr_reg));
537 CH_WARN(adap,
538 "bist: 0x%x, status %llx %llx %llx %llx %llx %llx %llx %llx %llx.\n",
539 edc_bist_status_rdata_reg,
540 (unsigned long long)t4_read_reg64(adap, edc_bist_status_rdata_reg),
541 (unsigned long long)t4_read_reg64(adap, edc_bist_status_rdata_reg + 8),
542 (unsigned long long)t4_read_reg64(adap, edc_bist_status_rdata_reg + 16),
543 (unsigned long long)t4_read_reg64(adap, edc_bist_status_rdata_reg + 24),
544 (unsigned long long)t4_read_reg64(adap, edc_bist_status_rdata_reg + 32),
545 (unsigned long long)t4_read_reg64(adap, edc_bist_status_rdata_reg + 40),
546 (unsigned long long)t4_read_reg64(adap, edc_bist_status_rdata_reg + 48),
547 (unsigned long long)t4_read_reg64(adap, edc_bist_status_rdata_reg + 56),
548 (unsigned long long)t4_read_reg64(adap, edc_bist_status_rdata_reg + 64));
549
550 return 0;
551 }
552
553 /**
554 * t4_mc_read - read from MC through backdoor accesses
555 * @adap: the adapter
556 * @idx: which MC to access
557 * @addr: address of first byte requested
558 * @data: 64 bytes of data containing the requested address
559 * @ecc: where to store the corresponding 64-bit ECC word
560 *
561 * Read 64 bytes of data from MC starting at a 64-byte-aligned address
562 * that covers the requested address @addr. If @parity is not %NULL it
563 * is assigned the 64-bit ECC word for the read data.
564 */
t4_mc_read(struct adapter * adap,int idx,u32 addr,__be32 * data,u64 * ecc)565 int t4_mc_read(struct adapter *adap, int idx, u32 addr, __be32 *data, u64 *ecc)
566 {
567 int i;
568 u32 mc_bist_cmd_reg, mc_bist_cmd_addr_reg, mc_bist_cmd_len_reg;
569 u32 mc_bist_status_rdata_reg, mc_bist_data_pattern_reg;
570
571 if (is_t4(adap)) {
572 mc_bist_cmd_reg = A_MC_BIST_CMD;
573 mc_bist_cmd_addr_reg = A_MC_BIST_CMD_ADDR;
574 mc_bist_cmd_len_reg = A_MC_BIST_CMD_LEN;
575 mc_bist_status_rdata_reg = A_MC_BIST_STATUS_RDATA;
576 mc_bist_data_pattern_reg = A_MC_BIST_DATA_PATTERN;
577 } else {
578 mc_bist_cmd_reg = MC_REG(A_MC_P_BIST_CMD, idx);
579 mc_bist_cmd_addr_reg = MC_REG(A_MC_P_BIST_CMD_ADDR, idx);
580 mc_bist_cmd_len_reg = MC_REG(A_MC_P_BIST_CMD_LEN, idx);
581 mc_bist_status_rdata_reg = MC_REG(A_MC_P_BIST_STATUS_RDATA,
582 idx);
583 mc_bist_data_pattern_reg = MC_REG(A_MC_P_BIST_DATA_PATTERN,
584 idx);
585 }
586
587 if (t4_read_reg(adap, mc_bist_cmd_reg) & F_START_BIST)
588 return -EBUSY;
589 t4_write_reg(adap, mc_bist_cmd_addr_reg, addr & ~0x3fU);
590 t4_write_reg(adap, mc_bist_cmd_len_reg, 64);
591 t4_write_reg(adap, mc_bist_data_pattern_reg, 0xc);
592 t4_write_reg(adap, mc_bist_cmd_reg, V_BIST_OPCODE(1) |
593 F_START_BIST | V_BIST_CMD_GAP(1));
594 i = t4_wait_op_done(adap, mc_bist_cmd_reg, F_START_BIST, 0, 10, 1);
595 if (i)
596 return i;
597
598 #define MC_DATA(i) MC_BIST_STATUS_REG(mc_bist_status_rdata_reg, i)
599
600 for (i = 15; i >= 0; i--)
601 *data++ = ntohl(t4_read_reg(adap, MC_DATA(i)));
602 if (ecc)
603 *ecc = t4_read_reg64(adap, MC_DATA(16));
604 #undef MC_DATA
605 return 0;
606 }
607
608 /**
609 * t4_edc_read - read from EDC through backdoor accesses
610 * @adap: the adapter
611 * @idx: which EDC to access
612 * @addr: address of first byte requested
613 * @data: 64 bytes of data containing the requested address
614 * @ecc: where to store the corresponding 64-bit ECC word
615 *
616 * Read 64 bytes of data from EDC starting at a 64-byte-aligned address
617 * that covers the requested address @addr. If @parity is not %NULL it
618 * is assigned the 64-bit ECC word for the read data.
619 */
t4_edc_read(struct adapter * adap,int idx,u32 addr,__be32 * data,u64 * ecc)620 int t4_edc_read(struct adapter *adap, int idx, u32 addr, __be32 *data, u64 *ecc)
621 {
622 int i;
623 u32 edc_bist_cmd_reg, edc_bist_cmd_addr_reg, edc_bist_cmd_len_reg;
624 u32 edc_bist_cmd_data_pattern, edc_bist_status_rdata_reg;
625
626 if (is_t4(adap)) {
627 edc_bist_cmd_reg = EDC_REG(A_EDC_BIST_CMD, idx);
628 edc_bist_cmd_addr_reg = EDC_REG(A_EDC_BIST_CMD_ADDR, idx);
629 edc_bist_cmd_len_reg = EDC_REG(A_EDC_BIST_CMD_LEN, idx);
630 edc_bist_cmd_data_pattern = EDC_REG(A_EDC_BIST_DATA_PATTERN,
631 idx);
632 edc_bist_status_rdata_reg = EDC_REG(A_EDC_BIST_STATUS_RDATA,
633 idx);
634 } else {
635 /*
636 * These macro are missing in t4_regs.h file.
637 * Added temporarily for testing.
638 */
639 #define EDC_STRIDE_T5 (EDC_T51_BASE_ADDR - EDC_T50_BASE_ADDR)
640 #define EDC_REG_T5(reg, idx) (reg + EDC_STRIDE_T5 * idx)
641 edc_bist_cmd_reg = EDC_REG_T5(A_EDC_H_BIST_CMD, idx);
642 edc_bist_cmd_addr_reg = EDC_REG_T5(A_EDC_H_BIST_CMD_ADDR, idx);
643 edc_bist_cmd_len_reg = EDC_REG_T5(A_EDC_H_BIST_CMD_LEN, idx);
644 edc_bist_cmd_data_pattern = EDC_REG_T5(A_EDC_H_BIST_DATA_PATTERN,
645 idx);
646 edc_bist_status_rdata_reg = EDC_REG_T5(A_EDC_H_BIST_STATUS_RDATA,
647 idx);
648 #undef EDC_REG_T5
649 #undef EDC_STRIDE_T5
650 }
651
652 if (t4_read_reg(adap, edc_bist_cmd_reg) & F_START_BIST)
653 return -EBUSY;
654 t4_write_reg(adap, edc_bist_cmd_addr_reg, addr & ~0x3fU);
655 t4_write_reg(adap, edc_bist_cmd_len_reg, 64);
656 t4_write_reg(adap, edc_bist_cmd_data_pattern, 0xc);
657 t4_write_reg(adap, edc_bist_cmd_reg,
658 V_BIST_OPCODE(1) | V_BIST_CMD_GAP(1) | F_START_BIST);
659 i = t4_wait_op_done(adap, edc_bist_cmd_reg, F_START_BIST, 0, 10, 1);
660 if (i)
661 return i;
662
663 #define EDC_DATA(i) EDC_BIST_STATUS_REG(edc_bist_status_rdata_reg, i)
664
665 for (i = 15; i >= 0; i--)
666 *data++ = ntohl(t4_read_reg(adap, EDC_DATA(i)));
667 if (ecc)
668 *ecc = t4_read_reg64(adap, EDC_DATA(16));
669 #undef EDC_DATA
670 return 0;
671 }
672
673 /**
674 * t4_mem_read - read EDC 0, EDC 1 or MC into buffer
675 * @adap: the adapter
676 * @mtype: memory type: MEM_EDC0, MEM_EDC1 or MEM_MC
677 * @addr: address within indicated memory type
678 * @len: amount of memory to read
679 * @buf: host memory buffer
680 *
681 * Reads an [almost] arbitrary memory region in the firmware: the
682 * firmware memory address, length and host buffer must be aligned on
683 * 32-bit boudaries. The memory is returned as a raw byte sequence from
684 * the firmware's memory. If this memory contains data structures which
685 * contain multi-byte integers, it's the callers responsibility to
686 * perform appropriate byte order conversions.
687 */
t4_mem_read(struct adapter * adap,int mtype,u32 addr,u32 len,__be32 * buf)688 int t4_mem_read(struct adapter *adap, int mtype, u32 addr, u32 len,
689 __be32 *buf)
690 {
691 u32 pos, start, end, offset;
692 int ret;
693
694 /*
695 * Argument sanity checks ...
696 */
697 if ((addr & 0x3) || (len & 0x3))
698 return -EINVAL;
699
700 /*
701 * The underlaying EDC/MC read routines read 64 bytes at a time so we
702 * need to round down the start and round up the end. We'll start
703 * copying out of the first line at (addr - start) a word at a time.
704 */
705 start = rounddown2(addr, 64);
706 end = roundup2(addr + len, 64);
707 offset = (addr - start)/sizeof(__be32);
708
709 for (pos = start; pos < end; pos += 64, offset = 0) {
710 __be32 data[16];
711
712 /*
713 * Read the chip's memory block and bail if there's an error.
714 */
715 if ((mtype == MEM_MC) || (mtype == MEM_MC1))
716 ret = t4_mc_read(adap, mtype - MEM_MC, pos, data, NULL);
717 else
718 ret = t4_edc_read(adap, mtype, pos, data, NULL);
719 if (ret)
720 return ret;
721
722 /*
723 * Copy the data into the caller's memory buffer.
724 */
725 while (offset < 16 && len > 0) {
726 *buf++ = data[offset++];
727 len -= sizeof(__be32);
728 }
729 }
730
731 return 0;
732 }
733
734 /*
735 * Return the specified PCI-E Configuration Space register from our Physical
736 * Function. We try first via a Firmware LDST Command (if fw_attach != 0)
737 * since we prefer to let the firmware own all of these registers, but if that
738 * fails we go for it directly ourselves.
739 */
t4_read_pcie_cfg4(struct adapter * adap,int reg,int drv_fw_attach)740 u32 t4_read_pcie_cfg4(struct adapter *adap, int reg, int drv_fw_attach)
741 {
742
743 /*
744 * If fw_attach != 0, construct and send the Firmware LDST Command to
745 * retrieve the specified PCI-E Configuration Space register.
746 */
747 if (drv_fw_attach != 0) {
748 struct fw_ldst_cmd ldst_cmd;
749 int ret;
750
751 memset(&ldst_cmd, 0, sizeof(ldst_cmd));
752 ldst_cmd.op_to_addrspace =
753 cpu_to_be32(V_FW_CMD_OP(FW_LDST_CMD) |
754 F_FW_CMD_REQUEST |
755 F_FW_CMD_READ |
756 V_FW_LDST_CMD_ADDRSPACE(FW_LDST_ADDRSPC_FUNC_PCIE));
757 ldst_cmd.cycles_to_len16 = cpu_to_be32(FW_LEN16(ldst_cmd));
758 ldst_cmd.u.pcie.select_naccess = V_FW_LDST_CMD_NACCESS(1);
759 ldst_cmd.u.pcie.ctrl_to_fn =
760 (F_FW_LDST_CMD_LC | V_FW_LDST_CMD_FN(adap->pf));
761 ldst_cmd.u.pcie.r = reg;
762
763 /*
764 * If the LDST Command succeeds, return the result, otherwise
765 * fall through to reading it directly ourselves ...
766 */
767 ret = t4_wr_mbox(adap, adap->mbox, &ldst_cmd, sizeof(ldst_cmd),
768 &ldst_cmd);
769 if (ret == 0)
770 return be32_to_cpu(ldst_cmd.u.pcie.data[0]);
771
772 CH_WARN(adap, "Firmware failed to return "
773 "Configuration Space register %d, err = %d\n",
774 reg, -ret);
775 }
776
777 /*
778 * Read the desired Configuration Space register via the PCI-E
779 * Backdoor mechanism.
780 */
781 return t4_hw_pci_read_cfg4(adap, reg);
782 }
783
784 /**
785 * t4_get_regs_len - return the size of the chips register set
786 * @adapter: the adapter
787 *
788 * Returns the size of the chip's BAR0 register space.
789 */
t4_get_regs_len(struct adapter * adapter)790 unsigned int t4_get_regs_len(struct adapter *adapter)
791 {
792 unsigned int chip_version = chip_id(adapter);
793
794 switch (chip_version) {
795 case CHELSIO_T4:
796 if (adapter->flags & IS_VF)
797 return FW_T4VF_REGMAP_SIZE;
798 return T4_REGMAP_SIZE;
799
800 case CHELSIO_T5:
801 case CHELSIO_T6:
802 if (adapter->flags & IS_VF)
803 return FW_T4VF_REGMAP_SIZE;
804 return T5_REGMAP_SIZE;
805 }
806
807 CH_ERR(adapter,
808 "Unsupported chip version %d\n", chip_version);
809 return 0;
810 }
811
812 /**
813 * t4_get_regs - read chip registers into provided buffer
814 * @adap: the adapter
815 * @buf: register buffer
816 * @buf_size: size (in bytes) of register buffer
817 *
818 * If the provided register buffer isn't large enough for the chip's
819 * full register range, the register dump will be truncated to the
820 * register buffer's size.
821 */
t4_get_regs(struct adapter * adap,u8 * buf,size_t buf_size)822 void t4_get_regs(struct adapter *adap, u8 *buf, size_t buf_size)
823 {
824 static const unsigned int t4_reg_ranges[] = {
825 0x1008, 0x1108,
826 0x1180, 0x1184,
827 0x1190, 0x1194,
828 0x11a0, 0x11a4,
829 0x11b0, 0x11b4,
830 0x11fc, 0x123c,
831 0x1300, 0x173c,
832 0x1800, 0x18fc,
833 0x3000, 0x30d8,
834 0x30e0, 0x30e4,
835 0x30ec, 0x5910,
836 0x5920, 0x5924,
837 0x5960, 0x5960,
838 0x5968, 0x5968,
839 0x5970, 0x5970,
840 0x5978, 0x5978,
841 0x5980, 0x5980,
842 0x5988, 0x5988,
843 0x5990, 0x5990,
844 0x5998, 0x5998,
845 0x59a0, 0x59d4,
846 0x5a00, 0x5ae0,
847 0x5ae8, 0x5ae8,
848 0x5af0, 0x5af0,
849 0x5af8, 0x5af8,
850 0x6000, 0x6098,
851 0x6100, 0x6150,
852 0x6200, 0x6208,
853 0x6240, 0x6248,
854 0x6280, 0x62b0,
855 0x62c0, 0x6338,
856 0x6370, 0x638c,
857 0x6400, 0x643c,
858 0x6500, 0x6524,
859 0x6a00, 0x6a04,
860 0x6a14, 0x6a38,
861 0x6a60, 0x6a70,
862 0x6a78, 0x6a78,
863 0x6b00, 0x6b0c,
864 0x6b1c, 0x6b84,
865 0x6bf0, 0x6bf8,
866 0x6c00, 0x6c0c,
867 0x6c1c, 0x6c84,
868 0x6cf0, 0x6cf8,
869 0x6d00, 0x6d0c,
870 0x6d1c, 0x6d84,
871 0x6df0, 0x6df8,
872 0x6e00, 0x6e0c,
873 0x6e1c, 0x6e84,
874 0x6ef0, 0x6ef8,
875 0x6f00, 0x6f0c,
876 0x6f1c, 0x6f84,
877 0x6ff0, 0x6ff8,
878 0x7000, 0x700c,
879 0x701c, 0x7084,
880 0x70f0, 0x70f8,
881 0x7100, 0x710c,
882 0x711c, 0x7184,
883 0x71f0, 0x71f8,
884 0x7200, 0x720c,
885 0x721c, 0x7284,
886 0x72f0, 0x72f8,
887 0x7300, 0x730c,
888 0x731c, 0x7384,
889 0x73f0, 0x73f8,
890 0x7400, 0x7450,
891 0x7500, 0x7530,
892 0x7600, 0x760c,
893 0x7614, 0x761c,
894 0x7680, 0x76cc,
895 0x7700, 0x7798,
896 0x77c0, 0x77fc,
897 0x7900, 0x79fc,
898 0x7b00, 0x7b58,
899 0x7b60, 0x7b84,
900 0x7b8c, 0x7c38,
901 0x7d00, 0x7d38,
902 0x7d40, 0x7d80,
903 0x7d8c, 0x7ddc,
904 0x7de4, 0x7e04,
905 0x7e10, 0x7e1c,
906 0x7e24, 0x7e38,
907 0x7e40, 0x7e44,
908 0x7e4c, 0x7e78,
909 0x7e80, 0x7ea4,
910 0x7eac, 0x7edc,
911 0x7ee8, 0x7efc,
912 0x8dc0, 0x8e04,
913 0x8e10, 0x8e1c,
914 0x8e30, 0x8e78,
915 0x8ea0, 0x8eb8,
916 0x8ec0, 0x8f6c,
917 0x8fc0, 0x9008,
918 0x9010, 0x9058,
919 0x9060, 0x9060,
920 0x9068, 0x9074,
921 0x90fc, 0x90fc,
922 0x9400, 0x9408,
923 0x9410, 0x9458,
924 0x9600, 0x9600,
925 0x9608, 0x9638,
926 0x9640, 0x96bc,
927 0x9800, 0x9808,
928 0x9820, 0x983c,
929 0x9850, 0x9864,
930 0x9c00, 0x9c6c,
931 0x9c80, 0x9cec,
932 0x9d00, 0x9d6c,
933 0x9d80, 0x9dec,
934 0x9e00, 0x9e6c,
935 0x9e80, 0x9eec,
936 0x9f00, 0x9f6c,
937 0x9f80, 0x9fec,
938 0xd004, 0xd004,
939 0xd010, 0xd03c,
940 0xdfc0, 0xdfe0,
941 0xe000, 0xea7c,
942 0xf000, 0x11110,
943 0x11118, 0x11190,
944 0x19040, 0x1906c,
945 0x19078, 0x19080,
946 0x1908c, 0x190e4,
947 0x190f0, 0x190f8,
948 0x19100, 0x19110,
949 0x19120, 0x19124,
950 0x19150, 0x19194,
951 0x1919c, 0x191b0,
952 0x191d0, 0x191e8,
953 0x19238, 0x1924c,
954 0x193f8, 0x1943c,
955 0x1944c, 0x19474,
956 0x19490, 0x194e0,
957 0x194f0, 0x194f8,
958 0x19800, 0x19c08,
959 0x19c10, 0x19c90,
960 0x19ca0, 0x19ce4,
961 0x19cf0, 0x19d40,
962 0x19d50, 0x19d94,
963 0x19da0, 0x19de8,
964 0x19df0, 0x19e40,
965 0x19e50, 0x19e90,
966 0x19ea0, 0x19f4c,
967 0x1a000, 0x1a004,
968 0x1a010, 0x1a06c,
969 0x1a0b0, 0x1a0e4,
970 0x1a0ec, 0x1a0f4,
971 0x1a100, 0x1a108,
972 0x1a114, 0x1a120,
973 0x1a128, 0x1a130,
974 0x1a138, 0x1a138,
975 0x1a190, 0x1a1c4,
976 0x1a1fc, 0x1a1fc,
977 0x1e040, 0x1e04c,
978 0x1e284, 0x1e28c,
979 0x1e2c0, 0x1e2c0,
980 0x1e2e0, 0x1e2e0,
981 0x1e300, 0x1e384,
982 0x1e3c0, 0x1e3c8,
983 0x1e440, 0x1e44c,
984 0x1e684, 0x1e68c,
985 0x1e6c0, 0x1e6c0,
986 0x1e6e0, 0x1e6e0,
987 0x1e700, 0x1e784,
988 0x1e7c0, 0x1e7c8,
989 0x1e840, 0x1e84c,
990 0x1ea84, 0x1ea8c,
991 0x1eac0, 0x1eac0,
992 0x1eae0, 0x1eae0,
993 0x1eb00, 0x1eb84,
994 0x1ebc0, 0x1ebc8,
995 0x1ec40, 0x1ec4c,
996 0x1ee84, 0x1ee8c,
997 0x1eec0, 0x1eec0,
998 0x1eee0, 0x1eee0,
999 0x1ef00, 0x1ef84,
1000 0x1efc0, 0x1efc8,
1001 0x1f040, 0x1f04c,
1002 0x1f284, 0x1f28c,
1003 0x1f2c0, 0x1f2c0,
1004 0x1f2e0, 0x1f2e0,
1005 0x1f300, 0x1f384,
1006 0x1f3c0, 0x1f3c8,
1007 0x1f440, 0x1f44c,
1008 0x1f684, 0x1f68c,
1009 0x1f6c0, 0x1f6c0,
1010 0x1f6e0, 0x1f6e0,
1011 0x1f700, 0x1f784,
1012 0x1f7c0, 0x1f7c8,
1013 0x1f840, 0x1f84c,
1014 0x1fa84, 0x1fa8c,
1015 0x1fac0, 0x1fac0,
1016 0x1fae0, 0x1fae0,
1017 0x1fb00, 0x1fb84,
1018 0x1fbc0, 0x1fbc8,
1019 0x1fc40, 0x1fc4c,
1020 0x1fe84, 0x1fe8c,
1021 0x1fec0, 0x1fec0,
1022 0x1fee0, 0x1fee0,
1023 0x1ff00, 0x1ff84,
1024 0x1ffc0, 0x1ffc8,
1025 0x20000, 0x2002c,
1026 0x20100, 0x2013c,
1027 0x20190, 0x201a0,
1028 0x201a8, 0x201b8,
1029 0x201c4, 0x201c8,
1030 0x20200, 0x20318,
1031 0x20400, 0x204b4,
1032 0x204c0, 0x20528,
1033 0x20540, 0x20614,
1034 0x21000, 0x21040,
1035 0x2104c, 0x21060,
1036 0x210c0, 0x210ec,
1037 0x21200, 0x21268,
1038 0x21270, 0x21284,
1039 0x212fc, 0x21388,
1040 0x21400, 0x21404,
1041 0x21500, 0x21500,
1042 0x21510, 0x21518,
1043 0x2152c, 0x21530,
1044 0x2153c, 0x2153c,
1045 0x21550, 0x21554,
1046 0x21600, 0x21600,
1047 0x21608, 0x2161c,
1048 0x21624, 0x21628,
1049 0x21630, 0x21634,
1050 0x2163c, 0x2163c,
1051 0x21700, 0x2171c,
1052 0x21780, 0x2178c,
1053 0x21800, 0x21818,
1054 0x21820, 0x21828,
1055 0x21830, 0x21848,
1056 0x21850, 0x21854,
1057 0x21860, 0x21868,
1058 0x21870, 0x21870,
1059 0x21878, 0x21898,
1060 0x218a0, 0x218a8,
1061 0x218b0, 0x218c8,
1062 0x218d0, 0x218d4,
1063 0x218e0, 0x218e8,
1064 0x218f0, 0x218f0,
1065 0x218f8, 0x21a18,
1066 0x21a20, 0x21a28,
1067 0x21a30, 0x21a48,
1068 0x21a50, 0x21a54,
1069 0x21a60, 0x21a68,
1070 0x21a70, 0x21a70,
1071 0x21a78, 0x21a98,
1072 0x21aa0, 0x21aa8,
1073 0x21ab0, 0x21ac8,
1074 0x21ad0, 0x21ad4,
1075 0x21ae0, 0x21ae8,
1076 0x21af0, 0x21af0,
1077 0x21af8, 0x21c18,
1078 0x21c20, 0x21c20,
1079 0x21c28, 0x21c30,
1080 0x21c38, 0x21c38,
1081 0x21c80, 0x21c98,
1082 0x21ca0, 0x21ca8,
1083 0x21cb0, 0x21cc8,
1084 0x21cd0, 0x21cd4,
1085 0x21ce0, 0x21ce8,
1086 0x21cf0, 0x21cf0,
1087 0x21cf8, 0x21d7c,
1088 0x21e00, 0x21e04,
1089 0x22000, 0x2202c,
1090 0x22100, 0x2213c,
1091 0x22190, 0x221a0,
1092 0x221a8, 0x221b8,
1093 0x221c4, 0x221c8,
1094 0x22200, 0x22318,
1095 0x22400, 0x224b4,
1096 0x224c0, 0x22528,
1097 0x22540, 0x22614,
1098 0x23000, 0x23040,
1099 0x2304c, 0x23060,
1100 0x230c0, 0x230ec,
1101 0x23200, 0x23268,
1102 0x23270, 0x23284,
1103 0x232fc, 0x23388,
1104 0x23400, 0x23404,
1105 0x23500, 0x23500,
1106 0x23510, 0x23518,
1107 0x2352c, 0x23530,
1108 0x2353c, 0x2353c,
1109 0x23550, 0x23554,
1110 0x23600, 0x23600,
1111 0x23608, 0x2361c,
1112 0x23624, 0x23628,
1113 0x23630, 0x23634,
1114 0x2363c, 0x2363c,
1115 0x23700, 0x2371c,
1116 0x23780, 0x2378c,
1117 0x23800, 0x23818,
1118 0x23820, 0x23828,
1119 0x23830, 0x23848,
1120 0x23850, 0x23854,
1121 0x23860, 0x23868,
1122 0x23870, 0x23870,
1123 0x23878, 0x23898,
1124 0x238a0, 0x238a8,
1125 0x238b0, 0x238c8,
1126 0x238d0, 0x238d4,
1127 0x238e0, 0x238e8,
1128 0x238f0, 0x238f0,
1129 0x238f8, 0x23a18,
1130 0x23a20, 0x23a28,
1131 0x23a30, 0x23a48,
1132 0x23a50, 0x23a54,
1133 0x23a60, 0x23a68,
1134 0x23a70, 0x23a70,
1135 0x23a78, 0x23a98,
1136 0x23aa0, 0x23aa8,
1137 0x23ab0, 0x23ac8,
1138 0x23ad0, 0x23ad4,
1139 0x23ae0, 0x23ae8,
1140 0x23af0, 0x23af0,
1141 0x23af8, 0x23c18,
1142 0x23c20, 0x23c20,
1143 0x23c28, 0x23c30,
1144 0x23c38, 0x23c38,
1145 0x23c80, 0x23c98,
1146 0x23ca0, 0x23ca8,
1147 0x23cb0, 0x23cc8,
1148 0x23cd0, 0x23cd4,
1149 0x23ce0, 0x23ce8,
1150 0x23cf0, 0x23cf0,
1151 0x23cf8, 0x23d7c,
1152 0x23e00, 0x23e04,
1153 0x24000, 0x2402c,
1154 0x24100, 0x2413c,
1155 0x24190, 0x241a0,
1156 0x241a8, 0x241b8,
1157 0x241c4, 0x241c8,
1158 0x24200, 0x24318,
1159 0x24400, 0x244b4,
1160 0x244c0, 0x24528,
1161 0x24540, 0x24614,
1162 0x25000, 0x25040,
1163 0x2504c, 0x25060,
1164 0x250c0, 0x250ec,
1165 0x25200, 0x25268,
1166 0x25270, 0x25284,
1167 0x252fc, 0x25388,
1168 0x25400, 0x25404,
1169 0x25500, 0x25500,
1170 0x25510, 0x25518,
1171 0x2552c, 0x25530,
1172 0x2553c, 0x2553c,
1173 0x25550, 0x25554,
1174 0x25600, 0x25600,
1175 0x25608, 0x2561c,
1176 0x25624, 0x25628,
1177 0x25630, 0x25634,
1178 0x2563c, 0x2563c,
1179 0x25700, 0x2571c,
1180 0x25780, 0x2578c,
1181 0x25800, 0x25818,
1182 0x25820, 0x25828,
1183 0x25830, 0x25848,
1184 0x25850, 0x25854,
1185 0x25860, 0x25868,
1186 0x25870, 0x25870,
1187 0x25878, 0x25898,
1188 0x258a0, 0x258a8,
1189 0x258b0, 0x258c8,
1190 0x258d0, 0x258d4,
1191 0x258e0, 0x258e8,
1192 0x258f0, 0x258f0,
1193 0x258f8, 0x25a18,
1194 0x25a20, 0x25a28,
1195 0x25a30, 0x25a48,
1196 0x25a50, 0x25a54,
1197 0x25a60, 0x25a68,
1198 0x25a70, 0x25a70,
1199 0x25a78, 0x25a98,
1200 0x25aa0, 0x25aa8,
1201 0x25ab0, 0x25ac8,
1202 0x25ad0, 0x25ad4,
1203 0x25ae0, 0x25ae8,
1204 0x25af0, 0x25af0,
1205 0x25af8, 0x25c18,
1206 0x25c20, 0x25c20,
1207 0x25c28, 0x25c30,
1208 0x25c38, 0x25c38,
1209 0x25c80, 0x25c98,
1210 0x25ca0, 0x25ca8,
1211 0x25cb0, 0x25cc8,
1212 0x25cd0, 0x25cd4,
1213 0x25ce0, 0x25ce8,
1214 0x25cf0, 0x25cf0,
1215 0x25cf8, 0x25d7c,
1216 0x25e00, 0x25e04,
1217 0x26000, 0x2602c,
1218 0x26100, 0x2613c,
1219 0x26190, 0x261a0,
1220 0x261a8, 0x261b8,
1221 0x261c4, 0x261c8,
1222 0x26200, 0x26318,
1223 0x26400, 0x264b4,
1224 0x264c0, 0x26528,
1225 0x26540, 0x26614,
1226 0x27000, 0x27040,
1227 0x2704c, 0x27060,
1228 0x270c0, 0x270ec,
1229 0x27200, 0x27268,
1230 0x27270, 0x27284,
1231 0x272fc, 0x27388,
1232 0x27400, 0x27404,
1233 0x27500, 0x27500,
1234 0x27510, 0x27518,
1235 0x2752c, 0x27530,
1236 0x2753c, 0x2753c,
1237 0x27550, 0x27554,
1238 0x27600, 0x27600,
1239 0x27608, 0x2761c,
1240 0x27624, 0x27628,
1241 0x27630, 0x27634,
1242 0x2763c, 0x2763c,
1243 0x27700, 0x2771c,
1244 0x27780, 0x2778c,
1245 0x27800, 0x27818,
1246 0x27820, 0x27828,
1247 0x27830, 0x27848,
1248 0x27850, 0x27854,
1249 0x27860, 0x27868,
1250 0x27870, 0x27870,
1251 0x27878, 0x27898,
1252 0x278a0, 0x278a8,
1253 0x278b0, 0x278c8,
1254 0x278d0, 0x278d4,
1255 0x278e0, 0x278e8,
1256 0x278f0, 0x278f0,
1257 0x278f8, 0x27a18,
1258 0x27a20, 0x27a28,
1259 0x27a30, 0x27a48,
1260 0x27a50, 0x27a54,
1261 0x27a60, 0x27a68,
1262 0x27a70, 0x27a70,
1263 0x27a78, 0x27a98,
1264 0x27aa0, 0x27aa8,
1265 0x27ab0, 0x27ac8,
1266 0x27ad0, 0x27ad4,
1267 0x27ae0, 0x27ae8,
1268 0x27af0, 0x27af0,
1269 0x27af8, 0x27c18,
1270 0x27c20, 0x27c20,
1271 0x27c28, 0x27c30,
1272 0x27c38, 0x27c38,
1273 0x27c80, 0x27c98,
1274 0x27ca0, 0x27ca8,
1275 0x27cb0, 0x27cc8,
1276 0x27cd0, 0x27cd4,
1277 0x27ce0, 0x27ce8,
1278 0x27cf0, 0x27cf0,
1279 0x27cf8, 0x27d7c,
1280 0x27e00, 0x27e04,
1281 };
1282
1283 static const unsigned int t4vf_reg_ranges[] = {
1284 VF_SGE_REG(A_SGE_VF_KDOORBELL), VF_SGE_REG(A_SGE_VF_GTS),
1285 VF_MPS_REG(A_MPS_VF_CTL),
1286 VF_MPS_REG(A_MPS_VF_STAT_RX_VF_ERR_FRAMES_H),
1287 VF_PL_REG(A_PL_VF_WHOAMI), VF_PL_REG(A_PL_VF_WHOAMI),
1288 VF_CIM_REG(A_CIM_VF_EXT_MAILBOX_CTRL),
1289 VF_CIM_REG(A_CIM_VF_EXT_MAILBOX_STATUS),
1290 FW_T4VF_MBDATA_BASE_ADDR,
1291 FW_T4VF_MBDATA_BASE_ADDR +
1292 ((NUM_CIM_PF_MAILBOX_DATA_INSTANCES - 1) * 4),
1293 };
1294
1295 static const unsigned int t5_reg_ranges[] = {
1296 0x1008, 0x10c0,
1297 0x10cc, 0x10f8,
1298 0x1100, 0x1100,
1299 0x110c, 0x1148,
1300 0x1180, 0x1184,
1301 0x1190, 0x1194,
1302 0x11a0, 0x11a4,
1303 0x11b0, 0x11b4,
1304 0x11fc, 0x123c,
1305 0x1280, 0x173c,
1306 0x1800, 0x18fc,
1307 0x3000, 0x3028,
1308 0x3060, 0x30b0,
1309 0x30b8, 0x30d8,
1310 0x30e0, 0x30fc,
1311 0x3140, 0x357c,
1312 0x35a8, 0x35cc,
1313 0x35ec, 0x35ec,
1314 0x3600, 0x5624,
1315 0x56cc, 0x56ec,
1316 0x56f4, 0x5720,
1317 0x5728, 0x575c,
1318 0x580c, 0x5814,
1319 0x5890, 0x589c,
1320 0x58a4, 0x58ac,
1321 0x58b8, 0x58bc,
1322 0x5940, 0x59c8,
1323 0x59d0, 0x59dc,
1324 0x59fc, 0x5a18,
1325 0x5a60, 0x5a70,
1326 0x5a80, 0x5a9c,
1327 0x5b94, 0x5bfc,
1328 0x6000, 0x6020,
1329 0x6028, 0x6040,
1330 0x6058, 0x609c,
1331 0x60a8, 0x614c,
1332 0x7700, 0x7798,
1333 0x77c0, 0x78fc,
1334 0x7b00, 0x7b58,
1335 0x7b60, 0x7b84,
1336 0x7b8c, 0x7c54,
1337 0x7d00, 0x7d38,
1338 0x7d40, 0x7d80,
1339 0x7d8c, 0x7ddc,
1340 0x7de4, 0x7e04,
1341 0x7e10, 0x7e1c,
1342 0x7e24, 0x7e38,
1343 0x7e40, 0x7e44,
1344 0x7e4c, 0x7e78,
1345 0x7e80, 0x7edc,
1346 0x7ee8, 0x7efc,
1347 0x8dc0, 0x8de0,
1348 0x8df8, 0x8e04,
1349 0x8e10, 0x8e84,
1350 0x8ea0, 0x8f84,
1351 0x8fc0, 0x9058,
1352 0x9060, 0x9060,
1353 0x9068, 0x90f8,
1354 0x9400, 0x9408,
1355 0x9410, 0x9470,
1356 0x9600, 0x9600,
1357 0x9608, 0x9638,
1358 0x9640, 0x96f4,
1359 0x9800, 0x9808,
1360 0x9810, 0x9864,
1361 0x9c00, 0x9c6c,
1362 0x9c80, 0x9cec,
1363 0x9d00, 0x9d6c,
1364 0x9d80, 0x9dec,
1365 0x9e00, 0x9e6c,
1366 0x9e80, 0x9eec,
1367 0x9f00, 0x9f6c,
1368 0x9f80, 0xa020,
1369 0xd000, 0xd004,
1370 0xd010, 0xd03c,
1371 0xdfc0, 0xdfe0,
1372 0xe000, 0x1106c,
1373 0x11074, 0x11088,
1374 0x1109c, 0x11110,
1375 0x11118, 0x1117c,
1376 0x11190, 0x11204,
1377 0x19040, 0x1906c,
1378 0x19078, 0x19080,
1379 0x1908c, 0x190e8,
1380 0x190f0, 0x190f8,
1381 0x19100, 0x19110,
1382 0x19120, 0x19124,
1383 0x19150, 0x19194,
1384 0x1919c, 0x191b0,
1385 0x191d0, 0x191e8,
1386 0x19238, 0x19290,
1387 0x193f8, 0x19428,
1388 0x19430, 0x19444,
1389 0x1944c, 0x1946c,
1390 0x19474, 0x19474,
1391 0x19490, 0x194cc,
1392 0x194f0, 0x194f8,
1393 0x19c00, 0x19c08,
1394 0x19c10, 0x19c60,
1395 0x19c94, 0x19ce4,
1396 0x19cf0, 0x19d40,
1397 0x19d50, 0x19d94,
1398 0x19da0, 0x19de8,
1399 0x19df0, 0x19e10,
1400 0x19e50, 0x19e90,
1401 0x19ea0, 0x19f24,
1402 0x19f34, 0x19f34,
1403 0x19f40, 0x19f50,
1404 0x19f90, 0x19fb4,
1405 0x19fc4, 0x19fe4,
1406 0x1a000, 0x1a004,
1407 0x1a010, 0x1a06c,
1408 0x1a0b0, 0x1a0e4,
1409 0x1a0ec, 0x1a0f8,
1410 0x1a100, 0x1a108,
1411 0x1a114, 0x1a130,
1412 0x1a138, 0x1a1c4,
1413 0x1a1fc, 0x1a1fc,
1414 0x1e008, 0x1e00c,
1415 0x1e040, 0x1e044,
1416 0x1e04c, 0x1e04c,
1417 0x1e284, 0x1e290,
1418 0x1e2c0, 0x1e2c0,
1419 0x1e2e0, 0x1e2e0,
1420 0x1e300, 0x1e384,
1421 0x1e3c0, 0x1e3c8,
1422 0x1e408, 0x1e40c,
1423 0x1e440, 0x1e444,
1424 0x1e44c, 0x1e44c,
1425 0x1e684, 0x1e690,
1426 0x1e6c0, 0x1e6c0,
1427 0x1e6e0, 0x1e6e0,
1428 0x1e700, 0x1e784,
1429 0x1e7c0, 0x1e7c8,
1430 0x1e808, 0x1e80c,
1431 0x1e840, 0x1e844,
1432 0x1e84c, 0x1e84c,
1433 0x1ea84, 0x1ea90,
1434 0x1eac0, 0x1eac0,
1435 0x1eae0, 0x1eae0,
1436 0x1eb00, 0x1eb84,
1437 0x1ebc0, 0x1ebc8,
1438 0x1ec08, 0x1ec0c,
1439 0x1ec40, 0x1ec44,
1440 0x1ec4c, 0x1ec4c,
1441 0x1ee84, 0x1ee90,
1442 0x1eec0, 0x1eec0,
1443 0x1eee0, 0x1eee0,
1444 0x1ef00, 0x1ef84,
1445 0x1efc0, 0x1efc8,
1446 0x1f008, 0x1f00c,
1447 0x1f040, 0x1f044,
1448 0x1f04c, 0x1f04c,
1449 0x1f284, 0x1f290,
1450 0x1f2c0, 0x1f2c0,
1451 0x1f2e0, 0x1f2e0,
1452 0x1f300, 0x1f384,
1453 0x1f3c0, 0x1f3c8,
1454 0x1f408, 0x1f40c,
1455 0x1f440, 0x1f444,
1456 0x1f44c, 0x1f44c,
1457 0x1f684, 0x1f690,
1458 0x1f6c0, 0x1f6c0,
1459 0x1f6e0, 0x1f6e0,
1460 0x1f700, 0x1f784,
1461 0x1f7c0, 0x1f7c8,
1462 0x1f808, 0x1f80c,
1463 0x1f840, 0x1f844,
1464 0x1f84c, 0x1f84c,
1465 0x1fa84, 0x1fa90,
1466 0x1fac0, 0x1fac0,
1467 0x1fae0, 0x1fae0,
1468 0x1fb00, 0x1fb84,
1469 0x1fbc0, 0x1fbc8,
1470 0x1fc08, 0x1fc0c,
1471 0x1fc40, 0x1fc44,
1472 0x1fc4c, 0x1fc4c,
1473 0x1fe84, 0x1fe90,
1474 0x1fec0, 0x1fec0,
1475 0x1fee0, 0x1fee0,
1476 0x1ff00, 0x1ff84,
1477 0x1ffc0, 0x1ffc8,
1478 0x30000, 0x30030,
1479 0x30100, 0x30144,
1480 0x30190, 0x301a0,
1481 0x301a8, 0x301b8,
1482 0x301c4, 0x301c8,
1483 0x301d0, 0x301d0,
1484 0x30200, 0x30318,
1485 0x30400, 0x304b4,
1486 0x304c0, 0x3052c,
1487 0x30540, 0x3061c,
1488 0x30800, 0x30828,
1489 0x30834, 0x30834,
1490 0x308c0, 0x30908,
1491 0x30910, 0x309ac,
1492 0x30a00, 0x30a14,
1493 0x30a1c, 0x30a2c,
1494 0x30a44, 0x30a50,
1495 0x30a74, 0x30a74,
1496 0x30a7c, 0x30afc,
1497 0x30b08, 0x30c24,
1498 0x30d00, 0x30d00,
1499 0x30d08, 0x30d14,
1500 0x30d1c, 0x30d20,
1501 0x30d3c, 0x30d3c,
1502 0x30d48, 0x30d50,
1503 0x31200, 0x3120c,
1504 0x31220, 0x31220,
1505 0x31240, 0x31240,
1506 0x31600, 0x3160c,
1507 0x31a00, 0x31a1c,
1508 0x31e00, 0x31e20,
1509 0x31e38, 0x31e3c,
1510 0x31e80, 0x31e80,
1511 0x31e88, 0x31ea8,
1512 0x31eb0, 0x31eb4,
1513 0x31ec8, 0x31ed4,
1514 0x31fb8, 0x32004,
1515 0x32200, 0x32200,
1516 0x32208, 0x32240,
1517 0x32248, 0x32280,
1518 0x32288, 0x322c0,
1519 0x322c8, 0x322fc,
1520 0x32600, 0x32630,
1521 0x32a00, 0x32abc,
1522 0x32b00, 0x32b10,
1523 0x32b20, 0x32b30,
1524 0x32b40, 0x32b50,
1525 0x32b60, 0x32b70,
1526 0x33000, 0x33028,
1527 0x33030, 0x33048,
1528 0x33060, 0x33068,
1529 0x33070, 0x3309c,
1530 0x330f0, 0x33128,
1531 0x33130, 0x33148,
1532 0x33160, 0x33168,
1533 0x33170, 0x3319c,
1534 0x331f0, 0x33238,
1535 0x33240, 0x33240,
1536 0x33248, 0x33250,
1537 0x3325c, 0x33264,
1538 0x33270, 0x332b8,
1539 0x332c0, 0x332e4,
1540 0x332f8, 0x33338,
1541 0x33340, 0x33340,
1542 0x33348, 0x33350,
1543 0x3335c, 0x33364,
1544 0x33370, 0x333b8,
1545 0x333c0, 0x333e4,
1546 0x333f8, 0x33428,
1547 0x33430, 0x33448,
1548 0x33460, 0x33468,
1549 0x33470, 0x3349c,
1550 0x334f0, 0x33528,
1551 0x33530, 0x33548,
1552 0x33560, 0x33568,
1553 0x33570, 0x3359c,
1554 0x335f0, 0x33638,
1555 0x33640, 0x33640,
1556 0x33648, 0x33650,
1557 0x3365c, 0x33664,
1558 0x33670, 0x336b8,
1559 0x336c0, 0x336e4,
1560 0x336f8, 0x33738,
1561 0x33740, 0x33740,
1562 0x33748, 0x33750,
1563 0x3375c, 0x33764,
1564 0x33770, 0x337b8,
1565 0x337c0, 0x337e4,
1566 0x337f8, 0x337fc,
1567 0x33814, 0x33814,
1568 0x3382c, 0x3382c,
1569 0x33880, 0x3388c,
1570 0x338e8, 0x338ec,
1571 0x33900, 0x33928,
1572 0x33930, 0x33948,
1573 0x33960, 0x33968,
1574 0x33970, 0x3399c,
1575 0x339f0, 0x33a38,
1576 0x33a40, 0x33a40,
1577 0x33a48, 0x33a50,
1578 0x33a5c, 0x33a64,
1579 0x33a70, 0x33ab8,
1580 0x33ac0, 0x33ae4,
1581 0x33af8, 0x33b10,
1582 0x33b28, 0x33b28,
1583 0x33b3c, 0x33b50,
1584 0x33bf0, 0x33c10,
1585 0x33c28, 0x33c28,
1586 0x33c3c, 0x33c50,
1587 0x33cf0, 0x33cfc,
1588 0x34000, 0x34030,
1589 0x34100, 0x34144,
1590 0x34190, 0x341a0,
1591 0x341a8, 0x341b8,
1592 0x341c4, 0x341c8,
1593 0x341d0, 0x341d0,
1594 0x34200, 0x34318,
1595 0x34400, 0x344b4,
1596 0x344c0, 0x3452c,
1597 0x34540, 0x3461c,
1598 0x34800, 0x34828,
1599 0x34834, 0x34834,
1600 0x348c0, 0x34908,
1601 0x34910, 0x349ac,
1602 0x34a00, 0x34a14,
1603 0x34a1c, 0x34a2c,
1604 0x34a44, 0x34a50,
1605 0x34a74, 0x34a74,
1606 0x34a7c, 0x34afc,
1607 0x34b08, 0x34c24,
1608 0x34d00, 0x34d00,
1609 0x34d08, 0x34d14,
1610 0x34d1c, 0x34d20,
1611 0x34d3c, 0x34d3c,
1612 0x34d48, 0x34d50,
1613 0x35200, 0x3520c,
1614 0x35220, 0x35220,
1615 0x35240, 0x35240,
1616 0x35600, 0x3560c,
1617 0x35a00, 0x35a1c,
1618 0x35e00, 0x35e20,
1619 0x35e38, 0x35e3c,
1620 0x35e80, 0x35e80,
1621 0x35e88, 0x35ea8,
1622 0x35eb0, 0x35eb4,
1623 0x35ec8, 0x35ed4,
1624 0x35fb8, 0x36004,
1625 0x36200, 0x36200,
1626 0x36208, 0x36240,
1627 0x36248, 0x36280,
1628 0x36288, 0x362c0,
1629 0x362c8, 0x362fc,
1630 0x36600, 0x36630,
1631 0x36a00, 0x36abc,
1632 0x36b00, 0x36b10,
1633 0x36b20, 0x36b30,
1634 0x36b40, 0x36b50,
1635 0x36b60, 0x36b70,
1636 0x37000, 0x37028,
1637 0x37030, 0x37048,
1638 0x37060, 0x37068,
1639 0x37070, 0x3709c,
1640 0x370f0, 0x37128,
1641 0x37130, 0x37148,
1642 0x37160, 0x37168,
1643 0x37170, 0x3719c,
1644 0x371f0, 0x37238,
1645 0x37240, 0x37240,
1646 0x37248, 0x37250,
1647 0x3725c, 0x37264,
1648 0x37270, 0x372b8,
1649 0x372c0, 0x372e4,
1650 0x372f8, 0x37338,
1651 0x37340, 0x37340,
1652 0x37348, 0x37350,
1653 0x3735c, 0x37364,
1654 0x37370, 0x373b8,
1655 0x373c0, 0x373e4,
1656 0x373f8, 0x37428,
1657 0x37430, 0x37448,
1658 0x37460, 0x37468,
1659 0x37470, 0x3749c,
1660 0x374f0, 0x37528,
1661 0x37530, 0x37548,
1662 0x37560, 0x37568,
1663 0x37570, 0x3759c,
1664 0x375f0, 0x37638,
1665 0x37640, 0x37640,
1666 0x37648, 0x37650,
1667 0x3765c, 0x37664,
1668 0x37670, 0x376b8,
1669 0x376c0, 0x376e4,
1670 0x376f8, 0x37738,
1671 0x37740, 0x37740,
1672 0x37748, 0x37750,
1673 0x3775c, 0x37764,
1674 0x37770, 0x377b8,
1675 0x377c0, 0x377e4,
1676 0x377f8, 0x377fc,
1677 0x37814, 0x37814,
1678 0x3782c, 0x3782c,
1679 0x37880, 0x3788c,
1680 0x378e8, 0x378ec,
1681 0x37900, 0x37928,
1682 0x37930, 0x37948,
1683 0x37960, 0x37968,
1684 0x37970, 0x3799c,
1685 0x379f0, 0x37a38,
1686 0x37a40, 0x37a40,
1687 0x37a48, 0x37a50,
1688 0x37a5c, 0x37a64,
1689 0x37a70, 0x37ab8,
1690 0x37ac0, 0x37ae4,
1691 0x37af8, 0x37b10,
1692 0x37b28, 0x37b28,
1693 0x37b3c, 0x37b50,
1694 0x37bf0, 0x37c10,
1695 0x37c28, 0x37c28,
1696 0x37c3c, 0x37c50,
1697 0x37cf0, 0x37cfc,
1698 0x38000, 0x38030,
1699 0x38100, 0x38144,
1700 0x38190, 0x381a0,
1701 0x381a8, 0x381b8,
1702 0x381c4, 0x381c8,
1703 0x381d0, 0x381d0,
1704 0x38200, 0x38318,
1705 0x38400, 0x384b4,
1706 0x384c0, 0x3852c,
1707 0x38540, 0x3861c,
1708 0x38800, 0x38828,
1709 0x38834, 0x38834,
1710 0x388c0, 0x38908,
1711 0x38910, 0x389ac,
1712 0x38a00, 0x38a14,
1713 0x38a1c, 0x38a2c,
1714 0x38a44, 0x38a50,
1715 0x38a74, 0x38a74,
1716 0x38a7c, 0x38afc,
1717 0x38b08, 0x38c24,
1718 0x38d00, 0x38d00,
1719 0x38d08, 0x38d14,
1720 0x38d1c, 0x38d20,
1721 0x38d3c, 0x38d3c,
1722 0x38d48, 0x38d50,
1723 0x39200, 0x3920c,
1724 0x39220, 0x39220,
1725 0x39240, 0x39240,
1726 0x39600, 0x3960c,
1727 0x39a00, 0x39a1c,
1728 0x39e00, 0x39e20,
1729 0x39e38, 0x39e3c,
1730 0x39e80, 0x39e80,
1731 0x39e88, 0x39ea8,
1732 0x39eb0, 0x39eb4,
1733 0x39ec8, 0x39ed4,
1734 0x39fb8, 0x3a004,
1735 0x3a200, 0x3a200,
1736 0x3a208, 0x3a240,
1737 0x3a248, 0x3a280,
1738 0x3a288, 0x3a2c0,
1739 0x3a2c8, 0x3a2fc,
1740 0x3a600, 0x3a630,
1741 0x3aa00, 0x3aabc,
1742 0x3ab00, 0x3ab10,
1743 0x3ab20, 0x3ab30,
1744 0x3ab40, 0x3ab50,
1745 0x3ab60, 0x3ab70,
1746 0x3b000, 0x3b028,
1747 0x3b030, 0x3b048,
1748 0x3b060, 0x3b068,
1749 0x3b070, 0x3b09c,
1750 0x3b0f0, 0x3b128,
1751 0x3b130, 0x3b148,
1752 0x3b160, 0x3b168,
1753 0x3b170, 0x3b19c,
1754 0x3b1f0, 0x3b238,
1755 0x3b240, 0x3b240,
1756 0x3b248, 0x3b250,
1757 0x3b25c, 0x3b264,
1758 0x3b270, 0x3b2b8,
1759 0x3b2c0, 0x3b2e4,
1760 0x3b2f8, 0x3b338,
1761 0x3b340, 0x3b340,
1762 0x3b348, 0x3b350,
1763 0x3b35c, 0x3b364,
1764 0x3b370, 0x3b3b8,
1765 0x3b3c0, 0x3b3e4,
1766 0x3b3f8, 0x3b428,
1767 0x3b430, 0x3b448,
1768 0x3b460, 0x3b468,
1769 0x3b470, 0x3b49c,
1770 0x3b4f0, 0x3b528,
1771 0x3b530, 0x3b548,
1772 0x3b560, 0x3b568,
1773 0x3b570, 0x3b59c,
1774 0x3b5f0, 0x3b638,
1775 0x3b640, 0x3b640,
1776 0x3b648, 0x3b650,
1777 0x3b65c, 0x3b664,
1778 0x3b670, 0x3b6b8,
1779 0x3b6c0, 0x3b6e4,
1780 0x3b6f8, 0x3b738,
1781 0x3b740, 0x3b740,
1782 0x3b748, 0x3b750,
1783 0x3b75c, 0x3b764,
1784 0x3b770, 0x3b7b8,
1785 0x3b7c0, 0x3b7e4,
1786 0x3b7f8, 0x3b7fc,
1787 0x3b814, 0x3b814,
1788 0x3b82c, 0x3b82c,
1789 0x3b880, 0x3b88c,
1790 0x3b8e8, 0x3b8ec,
1791 0x3b900, 0x3b928,
1792 0x3b930, 0x3b948,
1793 0x3b960, 0x3b968,
1794 0x3b970, 0x3b99c,
1795 0x3b9f0, 0x3ba38,
1796 0x3ba40, 0x3ba40,
1797 0x3ba48, 0x3ba50,
1798 0x3ba5c, 0x3ba64,
1799 0x3ba70, 0x3bab8,
1800 0x3bac0, 0x3bae4,
1801 0x3baf8, 0x3bb10,
1802 0x3bb28, 0x3bb28,
1803 0x3bb3c, 0x3bb50,
1804 0x3bbf0, 0x3bc10,
1805 0x3bc28, 0x3bc28,
1806 0x3bc3c, 0x3bc50,
1807 0x3bcf0, 0x3bcfc,
1808 0x3c000, 0x3c030,
1809 0x3c100, 0x3c144,
1810 0x3c190, 0x3c1a0,
1811 0x3c1a8, 0x3c1b8,
1812 0x3c1c4, 0x3c1c8,
1813 0x3c1d0, 0x3c1d0,
1814 0x3c200, 0x3c318,
1815 0x3c400, 0x3c4b4,
1816 0x3c4c0, 0x3c52c,
1817 0x3c540, 0x3c61c,
1818 0x3c800, 0x3c828,
1819 0x3c834, 0x3c834,
1820 0x3c8c0, 0x3c908,
1821 0x3c910, 0x3c9ac,
1822 0x3ca00, 0x3ca14,
1823 0x3ca1c, 0x3ca2c,
1824 0x3ca44, 0x3ca50,
1825 0x3ca74, 0x3ca74,
1826 0x3ca7c, 0x3cafc,
1827 0x3cb08, 0x3cc24,
1828 0x3cd00, 0x3cd00,
1829 0x3cd08, 0x3cd14,
1830 0x3cd1c, 0x3cd20,
1831 0x3cd3c, 0x3cd3c,
1832 0x3cd48, 0x3cd50,
1833 0x3d200, 0x3d20c,
1834 0x3d220, 0x3d220,
1835 0x3d240, 0x3d240,
1836 0x3d600, 0x3d60c,
1837 0x3da00, 0x3da1c,
1838 0x3de00, 0x3de20,
1839 0x3de38, 0x3de3c,
1840 0x3de80, 0x3de80,
1841 0x3de88, 0x3dea8,
1842 0x3deb0, 0x3deb4,
1843 0x3dec8, 0x3ded4,
1844 0x3dfb8, 0x3e004,
1845 0x3e200, 0x3e200,
1846 0x3e208, 0x3e240,
1847 0x3e248, 0x3e280,
1848 0x3e288, 0x3e2c0,
1849 0x3e2c8, 0x3e2fc,
1850 0x3e600, 0x3e630,
1851 0x3ea00, 0x3eabc,
1852 0x3eb00, 0x3eb10,
1853 0x3eb20, 0x3eb30,
1854 0x3eb40, 0x3eb50,
1855 0x3eb60, 0x3eb70,
1856 0x3f000, 0x3f028,
1857 0x3f030, 0x3f048,
1858 0x3f060, 0x3f068,
1859 0x3f070, 0x3f09c,
1860 0x3f0f0, 0x3f128,
1861 0x3f130, 0x3f148,
1862 0x3f160, 0x3f168,
1863 0x3f170, 0x3f19c,
1864 0x3f1f0, 0x3f238,
1865 0x3f240, 0x3f240,
1866 0x3f248, 0x3f250,
1867 0x3f25c, 0x3f264,
1868 0x3f270, 0x3f2b8,
1869 0x3f2c0, 0x3f2e4,
1870 0x3f2f8, 0x3f338,
1871 0x3f340, 0x3f340,
1872 0x3f348, 0x3f350,
1873 0x3f35c, 0x3f364,
1874 0x3f370, 0x3f3b8,
1875 0x3f3c0, 0x3f3e4,
1876 0x3f3f8, 0x3f428,
1877 0x3f430, 0x3f448,
1878 0x3f460, 0x3f468,
1879 0x3f470, 0x3f49c,
1880 0x3f4f0, 0x3f528,
1881 0x3f530, 0x3f548,
1882 0x3f560, 0x3f568,
1883 0x3f570, 0x3f59c,
1884 0x3f5f0, 0x3f638,
1885 0x3f640, 0x3f640,
1886 0x3f648, 0x3f650,
1887 0x3f65c, 0x3f664,
1888 0x3f670, 0x3f6b8,
1889 0x3f6c0, 0x3f6e4,
1890 0x3f6f8, 0x3f738,
1891 0x3f740, 0x3f740,
1892 0x3f748, 0x3f750,
1893 0x3f75c, 0x3f764,
1894 0x3f770, 0x3f7b8,
1895 0x3f7c0, 0x3f7e4,
1896 0x3f7f8, 0x3f7fc,
1897 0x3f814, 0x3f814,
1898 0x3f82c, 0x3f82c,
1899 0x3f880, 0x3f88c,
1900 0x3f8e8, 0x3f8ec,
1901 0x3f900, 0x3f928,
1902 0x3f930, 0x3f948,
1903 0x3f960, 0x3f968,
1904 0x3f970, 0x3f99c,
1905 0x3f9f0, 0x3fa38,
1906 0x3fa40, 0x3fa40,
1907 0x3fa48, 0x3fa50,
1908 0x3fa5c, 0x3fa64,
1909 0x3fa70, 0x3fab8,
1910 0x3fac0, 0x3fae4,
1911 0x3faf8, 0x3fb10,
1912 0x3fb28, 0x3fb28,
1913 0x3fb3c, 0x3fb50,
1914 0x3fbf0, 0x3fc10,
1915 0x3fc28, 0x3fc28,
1916 0x3fc3c, 0x3fc50,
1917 0x3fcf0, 0x3fcfc,
1918 0x40000, 0x4000c,
1919 0x40040, 0x40050,
1920 0x40060, 0x40068,
1921 0x4007c, 0x4008c,
1922 0x40094, 0x400b0,
1923 0x400c0, 0x40144,
1924 0x40180, 0x4018c,
1925 0x40200, 0x40254,
1926 0x40260, 0x40264,
1927 0x40270, 0x40288,
1928 0x40290, 0x40298,
1929 0x402ac, 0x402c8,
1930 0x402d0, 0x402e0,
1931 0x402f0, 0x402f0,
1932 0x40300, 0x4033c,
1933 0x403f8, 0x403fc,
1934 0x41304, 0x413c4,
1935 0x41400, 0x4140c,
1936 0x41414, 0x4141c,
1937 0x41480, 0x414d0,
1938 0x44000, 0x44054,
1939 0x4405c, 0x44078,
1940 0x440c0, 0x44174,
1941 0x44180, 0x441ac,
1942 0x441b4, 0x441b8,
1943 0x441c0, 0x44254,
1944 0x4425c, 0x44278,
1945 0x442c0, 0x44374,
1946 0x44380, 0x443ac,
1947 0x443b4, 0x443b8,
1948 0x443c0, 0x44454,
1949 0x4445c, 0x44478,
1950 0x444c0, 0x44574,
1951 0x44580, 0x445ac,
1952 0x445b4, 0x445b8,
1953 0x445c0, 0x44654,
1954 0x4465c, 0x44678,
1955 0x446c0, 0x44774,
1956 0x44780, 0x447ac,
1957 0x447b4, 0x447b8,
1958 0x447c0, 0x44854,
1959 0x4485c, 0x44878,
1960 0x448c0, 0x44974,
1961 0x44980, 0x449ac,
1962 0x449b4, 0x449b8,
1963 0x449c0, 0x449fc,
1964 0x45000, 0x45004,
1965 0x45010, 0x45030,
1966 0x45040, 0x45060,
1967 0x45068, 0x45068,
1968 0x45080, 0x45084,
1969 0x450a0, 0x450b0,
1970 0x45200, 0x45204,
1971 0x45210, 0x45230,
1972 0x45240, 0x45260,
1973 0x45268, 0x45268,
1974 0x45280, 0x45284,
1975 0x452a0, 0x452b0,
1976 0x460c0, 0x460e4,
1977 0x47000, 0x4703c,
1978 0x47044, 0x4708c,
1979 0x47200, 0x47250,
1980 0x47400, 0x47408,
1981 0x47414, 0x47420,
1982 0x47600, 0x47618,
1983 0x47800, 0x47814,
1984 0x48000, 0x4800c,
1985 0x48040, 0x48050,
1986 0x48060, 0x48068,
1987 0x4807c, 0x4808c,
1988 0x48094, 0x480b0,
1989 0x480c0, 0x48144,
1990 0x48180, 0x4818c,
1991 0x48200, 0x48254,
1992 0x48260, 0x48264,
1993 0x48270, 0x48288,
1994 0x48290, 0x48298,
1995 0x482ac, 0x482c8,
1996 0x482d0, 0x482e0,
1997 0x482f0, 0x482f0,
1998 0x48300, 0x4833c,
1999 0x483f8, 0x483fc,
2000 0x49304, 0x493c4,
2001 0x49400, 0x4940c,
2002 0x49414, 0x4941c,
2003 0x49480, 0x494d0,
2004 0x4c000, 0x4c054,
2005 0x4c05c, 0x4c078,
2006 0x4c0c0, 0x4c174,
2007 0x4c180, 0x4c1ac,
2008 0x4c1b4, 0x4c1b8,
2009 0x4c1c0, 0x4c254,
2010 0x4c25c, 0x4c278,
2011 0x4c2c0, 0x4c374,
2012 0x4c380, 0x4c3ac,
2013 0x4c3b4, 0x4c3b8,
2014 0x4c3c0, 0x4c454,
2015 0x4c45c, 0x4c478,
2016 0x4c4c0, 0x4c574,
2017 0x4c580, 0x4c5ac,
2018 0x4c5b4, 0x4c5b8,
2019 0x4c5c0, 0x4c654,
2020 0x4c65c, 0x4c678,
2021 0x4c6c0, 0x4c774,
2022 0x4c780, 0x4c7ac,
2023 0x4c7b4, 0x4c7b8,
2024 0x4c7c0, 0x4c854,
2025 0x4c85c, 0x4c878,
2026 0x4c8c0, 0x4c974,
2027 0x4c980, 0x4c9ac,
2028 0x4c9b4, 0x4c9b8,
2029 0x4c9c0, 0x4c9fc,
2030 0x4d000, 0x4d004,
2031 0x4d010, 0x4d030,
2032 0x4d040, 0x4d060,
2033 0x4d068, 0x4d068,
2034 0x4d080, 0x4d084,
2035 0x4d0a0, 0x4d0b0,
2036 0x4d200, 0x4d204,
2037 0x4d210, 0x4d230,
2038 0x4d240, 0x4d260,
2039 0x4d268, 0x4d268,
2040 0x4d280, 0x4d284,
2041 0x4d2a0, 0x4d2b0,
2042 0x4e0c0, 0x4e0e4,
2043 0x4f000, 0x4f03c,
2044 0x4f044, 0x4f08c,
2045 0x4f200, 0x4f250,
2046 0x4f400, 0x4f408,
2047 0x4f414, 0x4f420,
2048 0x4f600, 0x4f618,
2049 0x4f800, 0x4f814,
2050 0x50000, 0x50084,
2051 0x50090, 0x500cc,
2052 0x50400, 0x50400,
2053 0x50800, 0x50884,
2054 0x50890, 0x508cc,
2055 0x50c00, 0x50c00,
2056 0x51000, 0x5101c,
2057 0x51300, 0x51308,
2058 };
2059
2060 static const unsigned int t5vf_reg_ranges[] = {
2061 VF_SGE_REG(A_SGE_VF_KDOORBELL), VF_SGE_REG(A_SGE_VF_GTS),
2062 VF_MPS_REG(A_MPS_VF_CTL),
2063 VF_MPS_REG(A_MPS_VF_STAT_RX_VF_ERR_FRAMES_H),
2064 VF_PL_REG(A_PL_VF_WHOAMI), VF_PL_REG(A_PL_VF_REVISION),
2065 VF_CIM_REG(A_CIM_VF_EXT_MAILBOX_CTRL),
2066 VF_CIM_REG(A_CIM_VF_EXT_MAILBOX_STATUS),
2067 FW_T4VF_MBDATA_BASE_ADDR,
2068 FW_T4VF_MBDATA_BASE_ADDR +
2069 ((NUM_CIM_PF_MAILBOX_DATA_INSTANCES - 1) * 4),
2070 };
2071
2072 static const unsigned int t6_reg_ranges[] = {
2073 0x1008, 0x101c,
2074 0x1024, 0x10a8,
2075 0x10b4, 0x10f8,
2076 0x1100, 0x1114,
2077 0x111c, 0x112c,
2078 0x1138, 0x113c,
2079 0x1144, 0x114c,
2080 0x1180, 0x1184,
2081 0x1190, 0x1194,
2082 0x11a0, 0x11a4,
2083 0x11b0, 0x11c4,
2084 0x11fc, 0x123c,
2085 0x1254, 0x1274,
2086 0x1280, 0x133c,
2087 0x1800, 0x18fc,
2088 0x3000, 0x302c,
2089 0x3060, 0x30b0,
2090 0x30b8, 0x30d8,
2091 0x30e0, 0x30fc,
2092 0x3140, 0x357c,
2093 0x35a8, 0x35cc,
2094 0x35ec, 0x35ec,
2095 0x3600, 0x5624,
2096 0x56cc, 0x56ec,
2097 0x56f4, 0x5720,
2098 0x5728, 0x575c,
2099 0x580c, 0x5814,
2100 0x5890, 0x589c,
2101 0x58a4, 0x58ac,
2102 0x58b8, 0x58bc,
2103 0x5940, 0x595c,
2104 0x5980, 0x598c,
2105 0x59b0, 0x59c8,
2106 0x59d0, 0x59dc,
2107 0x59fc, 0x5a18,
2108 0x5a60, 0x5a6c,
2109 0x5a80, 0x5a8c,
2110 0x5a94, 0x5a9c,
2111 0x5b94, 0x5bfc,
2112 0x5c10, 0x5e48,
2113 0x5e50, 0x5e94,
2114 0x5ea0, 0x5eb0,
2115 0x5ec0, 0x5ec0,
2116 0x5ec8, 0x5ed0,
2117 0x5ee0, 0x5ee0,
2118 0x5ef0, 0x5ef0,
2119 0x5f00, 0x5f00,
2120 0x6000, 0x6020,
2121 0x6028, 0x6040,
2122 0x6058, 0x609c,
2123 0x60a8, 0x619c,
2124 0x7700, 0x7798,
2125 0x77c0, 0x7880,
2126 0x78cc, 0x78fc,
2127 0x7b00, 0x7b58,
2128 0x7b60, 0x7b84,
2129 0x7b8c, 0x7c54,
2130 0x7d00, 0x7d38,
2131 0x7d40, 0x7d84,
2132 0x7d8c, 0x7ddc,
2133 0x7de4, 0x7e04,
2134 0x7e10, 0x7e1c,
2135 0x7e24, 0x7e38,
2136 0x7e40, 0x7e44,
2137 0x7e4c, 0x7e78,
2138 0x7e80, 0x7edc,
2139 0x7ee8, 0x7efc,
2140 0x8dc0, 0x8de0,
2141 0x8df8, 0x8e04,
2142 0x8e10, 0x8e84,
2143 0x8ea0, 0x8f88,
2144 0x8fb8, 0x9058,
2145 0x9060, 0x9060,
2146 0x9068, 0x90f8,
2147 0x9100, 0x9124,
2148 0x9400, 0x9470,
2149 0x9600, 0x9600,
2150 0x9608, 0x9638,
2151 0x9640, 0x9704,
2152 0x9710, 0x971c,
2153 0x9800, 0x9808,
2154 0x9810, 0x9864,
2155 0x9c00, 0x9c6c,
2156 0x9c80, 0x9cec,
2157 0x9d00, 0x9d6c,
2158 0x9d80, 0x9dec,
2159 0x9e00, 0x9e6c,
2160 0x9e80, 0x9eec,
2161 0x9f00, 0x9f6c,
2162 0x9f80, 0xa020,
2163 0xd000, 0xd03c,
2164 0xd100, 0xd118,
2165 0xd200, 0xd214,
2166 0xd220, 0xd234,
2167 0xd240, 0xd254,
2168 0xd260, 0xd274,
2169 0xd280, 0xd294,
2170 0xd2a0, 0xd2b4,
2171 0xd2c0, 0xd2d4,
2172 0xd2e0, 0xd2f4,
2173 0xd300, 0xd31c,
2174 0xdfc0, 0xdfe0,
2175 0xe000, 0xf008,
2176 0xf010, 0xf018,
2177 0xf020, 0xf028,
2178 0x11000, 0x11014,
2179 0x11048, 0x1106c,
2180 0x11074, 0x11088,
2181 0x11098, 0x11120,
2182 0x1112c, 0x1117c,
2183 0x11190, 0x112e0,
2184 0x11300, 0x1130c,
2185 0x12000, 0x1206c,
2186 0x19040, 0x1906c,
2187 0x19078, 0x19080,
2188 0x1908c, 0x190e8,
2189 0x190f0, 0x190f8,
2190 0x19100, 0x19110,
2191 0x19120, 0x19124,
2192 0x19150, 0x19194,
2193 0x1919c, 0x191b0,
2194 0x191d0, 0x191e8,
2195 0x19238, 0x19290,
2196 0x192a4, 0x192b0,
2197 0x19348, 0x1934c,
2198 0x193f8, 0x19418,
2199 0x19420, 0x19428,
2200 0x19430, 0x19444,
2201 0x1944c, 0x1946c,
2202 0x19474, 0x19474,
2203 0x19490, 0x194cc,
2204 0x194f0, 0x194f8,
2205 0x19c00, 0x19c48,
2206 0x19c50, 0x19c80,
2207 0x19c94, 0x19c98,
2208 0x19ca0, 0x19cbc,
2209 0x19ce4, 0x19ce4,
2210 0x19cf0, 0x19cf8,
2211 0x19d00, 0x19d28,
2212 0x19d50, 0x19d78,
2213 0x19d94, 0x19d98,
2214 0x19da0, 0x19de0,
2215 0x19df0, 0x19e10,
2216 0x19e50, 0x19e6c,
2217 0x19ea0, 0x19ebc,
2218 0x19ec4, 0x19ef4,
2219 0x19f04, 0x19f2c,
2220 0x19f34, 0x19f34,
2221 0x19f40, 0x19f50,
2222 0x19f90, 0x19fac,
2223 0x19fc4, 0x19fc8,
2224 0x19fd0, 0x19fe4,
2225 0x1a000, 0x1a004,
2226 0x1a010, 0x1a06c,
2227 0x1a0b0, 0x1a0e4,
2228 0x1a0ec, 0x1a0f8,
2229 0x1a100, 0x1a108,
2230 0x1a114, 0x1a130,
2231 0x1a138, 0x1a1c4,
2232 0x1a1fc, 0x1a1fc,
2233 0x1e008, 0x1e00c,
2234 0x1e040, 0x1e044,
2235 0x1e04c, 0x1e04c,
2236 0x1e284, 0x1e290,
2237 0x1e2c0, 0x1e2c0,
2238 0x1e2e0, 0x1e2e0,
2239 0x1e300, 0x1e384,
2240 0x1e3c0, 0x1e3c8,
2241 0x1e408, 0x1e40c,
2242 0x1e440, 0x1e444,
2243 0x1e44c, 0x1e44c,
2244 0x1e684, 0x1e690,
2245 0x1e6c0, 0x1e6c0,
2246 0x1e6e0, 0x1e6e0,
2247 0x1e700, 0x1e784,
2248 0x1e7c0, 0x1e7c8,
2249 0x1e808, 0x1e80c,
2250 0x1e840, 0x1e844,
2251 0x1e84c, 0x1e84c,
2252 0x1ea84, 0x1ea90,
2253 0x1eac0, 0x1eac0,
2254 0x1eae0, 0x1eae0,
2255 0x1eb00, 0x1eb84,
2256 0x1ebc0, 0x1ebc8,
2257 0x1ec08, 0x1ec0c,
2258 0x1ec40, 0x1ec44,
2259 0x1ec4c, 0x1ec4c,
2260 0x1ee84, 0x1ee90,
2261 0x1eec0, 0x1eec0,
2262 0x1eee0, 0x1eee0,
2263 0x1ef00, 0x1ef84,
2264 0x1efc0, 0x1efc8,
2265 0x1f008, 0x1f00c,
2266 0x1f040, 0x1f044,
2267 0x1f04c, 0x1f04c,
2268 0x1f284, 0x1f290,
2269 0x1f2c0, 0x1f2c0,
2270 0x1f2e0, 0x1f2e0,
2271 0x1f300, 0x1f384,
2272 0x1f3c0, 0x1f3c8,
2273 0x1f408, 0x1f40c,
2274 0x1f440, 0x1f444,
2275 0x1f44c, 0x1f44c,
2276 0x1f684, 0x1f690,
2277 0x1f6c0, 0x1f6c0,
2278 0x1f6e0, 0x1f6e0,
2279 0x1f700, 0x1f784,
2280 0x1f7c0, 0x1f7c8,
2281 0x1f808, 0x1f80c,
2282 0x1f840, 0x1f844,
2283 0x1f84c, 0x1f84c,
2284 0x1fa84, 0x1fa90,
2285 0x1fac0, 0x1fac0,
2286 0x1fae0, 0x1fae0,
2287 0x1fb00, 0x1fb84,
2288 0x1fbc0, 0x1fbc8,
2289 0x1fc08, 0x1fc0c,
2290 0x1fc40, 0x1fc44,
2291 0x1fc4c, 0x1fc4c,
2292 0x1fe84, 0x1fe90,
2293 0x1fec0, 0x1fec0,
2294 0x1fee0, 0x1fee0,
2295 0x1ff00, 0x1ff84,
2296 0x1ffc0, 0x1ffc8,
2297 0x30000, 0x30030,
2298 0x30100, 0x30168,
2299 0x30190, 0x301a0,
2300 0x301a8, 0x301b8,
2301 0x301c4, 0x301c8,
2302 0x301d0, 0x301d0,
2303 0x30200, 0x30320,
2304 0x30400, 0x304b4,
2305 0x304c0, 0x3052c,
2306 0x30540, 0x3061c,
2307 0x30800, 0x308a0,
2308 0x308c0, 0x30908,
2309 0x30910, 0x309b8,
2310 0x30a00, 0x30a04,
2311 0x30a0c, 0x30a14,
2312 0x30a1c, 0x30a2c,
2313 0x30a44, 0x30a50,
2314 0x30a74, 0x30a74,
2315 0x30a7c, 0x30afc,
2316 0x30b08, 0x30c24,
2317 0x30d00, 0x30d14,
2318 0x30d1c, 0x30d3c,
2319 0x30d44, 0x30d4c,
2320 0x30d54, 0x30d74,
2321 0x30d7c, 0x30d7c,
2322 0x30de0, 0x30de0,
2323 0x30e00, 0x30ed4,
2324 0x30f00, 0x30fa4,
2325 0x30fc0, 0x30fc4,
2326 0x31000, 0x31004,
2327 0x31080, 0x310fc,
2328 0x31208, 0x31220,
2329 0x3123c, 0x31254,
2330 0x31300, 0x31300,
2331 0x31308, 0x3131c,
2332 0x31338, 0x3133c,
2333 0x31380, 0x31380,
2334 0x31388, 0x313a8,
2335 0x313b4, 0x313b4,
2336 0x31400, 0x31420,
2337 0x31438, 0x3143c,
2338 0x31480, 0x31480,
2339 0x314a8, 0x314a8,
2340 0x314b0, 0x314b4,
2341 0x314c8, 0x314d4,
2342 0x31a40, 0x31a4c,
2343 0x31af0, 0x31b20,
2344 0x31b38, 0x31b3c,
2345 0x31b80, 0x31b80,
2346 0x31ba8, 0x31ba8,
2347 0x31bb0, 0x31bb4,
2348 0x31bc8, 0x31bd4,
2349 0x32140, 0x3218c,
2350 0x321f0, 0x321f4,
2351 0x32200, 0x32200,
2352 0x32218, 0x32218,
2353 0x32400, 0x32400,
2354 0x32408, 0x3241c,
2355 0x32618, 0x32620,
2356 0x32664, 0x32664,
2357 0x326a8, 0x326a8,
2358 0x326ec, 0x326ec,
2359 0x32a00, 0x32abc,
2360 0x32b00, 0x32b18,
2361 0x32b20, 0x32b38,
2362 0x32b40, 0x32b58,
2363 0x32b60, 0x32b78,
2364 0x32c00, 0x32c00,
2365 0x32c08, 0x32c3c,
2366 0x33000, 0x3302c,
2367 0x33034, 0x33050,
2368 0x33058, 0x33058,
2369 0x33060, 0x3308c,
2370 0x3309c, 0x330ac,
2371 0x330c0, 0x330c0,
2372 0x330c8, 0x330d0,
2373 0x330d8, 0x330e0,
2374 0x330ec, 0x3312c,
2375 0x33134, 0x33150,
2376 0x33158, 0x33158,
2377 0x33160, 0x3318c,
2378 0x3319c, 0x331ac,
2379 0x331c0, 0x331c0,
2380 0x331c8, 0x331d0,
2381 0x331d8, 0x331e0,
2382 0x331ec, 0x33290,
2383 0x33298, 0x332c4,
2384 0x332e4, 0x33390,
2385 0x33398, 0x333c4,
2386 0x333e4, 0x3342c,
2387 0x33434, 0x33450,
2388 0x33458, 0x33458,
2389 0x33460, 0x3348c,
2390 0x3349c, 0x334ac,
2391 0x334c0, 0x334c0,
2392 0x334c8, 0x334d0,
2393 0x334d8, 0x334e0,
2394 0x334ec, 0x3352c,
2395 0x33534, 0x33550,
2396 0x33558, 0x33558,
2397 0x33560, 0x3358c,
2398 0x3359c, 0x335ac,
2399 0x335c0, 0x335c0,
2400 0x335c8, 0x335d0,
2401 0x335d8, 0x335e0,
2402 0x335ec, 0x33690,
2403 0x33698, 0x336c4,
2404 0x336e4, 0x33790,
2405 0x33798, 0x337c4,
2406 0x337e4, 0x337fc,
2407 0x33814, 0x33814,
2408 0x33854, 0x33868,
2409 0x33880, 0x3388c,
2410 0x338c0, 0x338d0,
2411 0x338e8, 0x338ec,
2412 0x33900, 0x3392c,
2413 0x33934, 0x33950,
2414 0x33958, 0x33958,
2415 0x33960, 0x3398c,
2416 0x3399c, 0x339ac,
2417 0x339c0, 0x339c0,
2418 0x339c8, 0x339d0,
2419 0x339d8, 0x339e0,
2420 0x339ec, 0x33a90,
2421 0x33a98, 0x33ac4,
2422 0x33ae4, 0x33b10,
2423 0x33b24, 0x33b28,
2424 0x33b38, 0x33b50,
2425 0x33bf0, 0x33c10,
2426 0x33c24, 0x33c28,
2427 0x33c38, 0x33c50,
2428 0x33cf0, 0x33cfc,
2429 0x34000, 0x34030,
2430 0x34100, 0x34168,
2431 0x34190, 0x341a0,
2432 0x341a8, 0x341b8,
2433 0x341c4, 0x341c8,
2434 0x341d0, 0x341d0,
2435 0x34200, 0x34320,
2436 0x34400, 0x344b4,
2437 0x344c0, 0x3452c,
2438 0x34540, 0x3461c,
2439 0x34800, 0x348a0,
2440 0x348c0, 0x34908,
2441 0x34910, 0x349b8,
2442 0x34a00, 0x34a04,
2443 0x34a0c, 0x34a14,
2444 0x34a1c, 0x34a2c,
2445 0x34a44, 0x34a50,
2446 0x34a74, 0x34a74,
2447 0x34a7c, 0x34afc,
2448 0x34b08, 0x34c24,
2449 0x34d00, 0x34d14,
2450 0x34d1c, 0x34d3c,
2451 0x34d44, 0x34d4c,
2452 0x34d54, 0x34d74,
2453 0x34d7c, 0x34d7c,
2454 0x34de0, 0x34de0,
2455 0x34e00, 0x34ed4,
2456 0x34f00, 0x34fa4,
2457 0x34fc0, 0x34fc4,
2458 0x35000, 0x35004,
2459 0x35080, 0x350fc,
2460 0x35208, 0x35220,
2461 0x3523c, 0x35254,
2462 0x35300, 0x35300,
2463 0x35308, 0x3531c,
2464 0x35338, 0x3533c,
2465 0x35380, 0x35380,
2466 0x35388, 0x353a8,
2467 0x353b4, 0x353b4,
2468 0x35400, 0x35420,
2469 0x35438, 0x3543c,
2470 0x35480, 0x35480,
2471 0x354a8, 0x354a8,
2472 0x354b0, 0x354b4,
2473 0x354c8, 0x354d4,
2474 0x35a40, 0x35a4c,
2475 0x35af0, 0x35b20,
2476 0x35b38, 0x35b3c,
2477 0x35b80, 0x35b80,
2478 0x35ba8, 0x35ba8,
2479 0x35bb0, 0x35bb4,
2480 0x35bc8, 0x35bd4,
2481 0x36140, 0x3618c,
2482 0x361f0, 0x361f4,
2483 0x36200, 0x36200,
2484 0x36218, 0x36218,
2485 0x36400, 0x36400,
2486 0x36408, 0x3641c,
2487 0x36618, 0x36620,
2488 0x36664, 0x36664,
2489 0x366a8, 0x366a8,
2490 0x366ec, 0x366ec,
2491 0x36a00, 0x36abc,
2492 0x36b00, 0x36b18,
2493 0x36b20, 0x36b38,
2494 0x36b40, 0x36b58,
2495 0x36b60, 0x36b78,
2496 0x36c00, 0x36c00,
2497 0x36c08, 0x36c3c,
2498 0x37000, 0x3702c,
2499 0x37034, 0x37050,
2500 0x37058, 0x37058,
2501 0x37060, 0x3708c,
2502 0x3709c, 0x370ac,
2503 0x370c0, 0x370c0,
2504 0x370c8, 0x370d0,
2505 0x370d8, 0x370e0,
2506 0x370ec, 0x3712c,
2507 0x37134, 0x37150,
2508 0x37158, 0x37158,
2509 0x37160, 0x3718c,
2510 0x3719c, 0x371ac,
2511 0x371c0, 0x371c0,
2512 0x371c8, 0x371d0,
2513 0x371d8, 0x371e0,
2514 0x371ec, 0x37290,
2515 0x37298, 0x372c4,
2516 0x372e4, 0x37390,
2517 0x37398, 0x373c4,
2518 0x373e4, 0x3742c,
2519 0x37434, 0x37450,
2520 0x37458, 0x37458,
2521 0x37460, 0x3748c,
2522 0x3749c, 0x374ac,
2523 0x374c0, 0x374c0,
2524 0x374c8, 0x374d0,
2525 0x374d8, 0x374e0,
2526 0x374ec, 0x3752c,
2527 0x37534, 0x37550,
2528 0x37558, 0x37558,
2529 0x37560, 0x3758c,
2530 0x3759c, 0x375ac,
2531 0x375c0, 0x375c0,
2532 0x375c8, 0x375d0,
2533 0x375d8, 0x375e0,
2534 0x375ec, 0x37690,
2535 0x37698, 0x376c4,
2536 0x376e4, 0x37790,
2537 0x37798, 0x377c4,
2538 0x377e4, 0x377fc,
2539 0x37814, 0x37814,
2540 0x37854, 0x37868,
2541 0x37880, 0x3788c,
2542 0x378c0, 0x378d0,
2543 0x378e8, 0x378ec,
2544 0x37900, 0x3792c,
2545 0x37934, 0x37950,
2546 0x37958, 0x37958,
2547 0x37960, 0x3798c,
2548 0x3799c, 0x379ac,
2549 0x379c0, 0x379c0,
2550 0x379c8, 0x379d0,
2551 0x379d8, 0x379e0,
2552 0x379ec, 0x37a90,
2553 0x37a98, 0x37ac4,
2554 0x37ae4, 0x37b10,
2555 0x37b24, 0x37b28,
2556 0x37b38, 0x37b50,
2557 0x37bf0, 0x37c10,
2558 0x37c24, 0x37c28,
2559 0x37c38, 0x37c50,
2560 0x37cf0, 0x37cfc,
2561 0x40040, 0x40040,
2562 0x40080, 0x40084,
2563 0x40100, 0x40100,
2564 0x40140, 0x401bc,
2565 0x40200, 0x40214,
2566 0x40228, 0x40228,
2567 0x40240, 0x40258,
2568 0x40280, 0x40280,
2569 0x40304, 0x40304,
2570 0x40330, 0x4033c,
2571 0x41304, 0x413c8,
2572 0x413d0, 0x413dc,
2573 0x413f0, 0x413f0,
2574 0x41400, 0x4140c,
2575 0x41414, 0x4141c,
2576 0x41480, 0x414d0,
2577 0x44000, 0x4407c,
2578 0x440c0, 0x441ac,
2579 0x441b4, 0x4427c,
2580 0x442c0, 0x443ac,
2581 0x443b4, 0x4447c,
2582 0x444c0, 0x445ac,
2583 0x445b4, 0x4467c,
2584 0x446c0, 0x447ac,
2585 0x447b4, 0x4487c,
2586 0x448c0, 0x449ac,
2587 0x449b4, 0x44a7c,
2588 0x44ac0, 0x44bac,
2589 0x44bb4, 0x44c7c,
2590 0x44cc0, 0x44dac,
2591 0x44db4, 0x44e7c,
2592 0x44ec0, 0x44fac,
2593 0x44fb4, 0x4507c,
2594 0x450c0, 0x451ac,
2595 0x451b4, 0x451fc,
2596 0x45800, 0x45804,
2597 0x45810, 0x45830,
2598 0x45840, 0x45860,
2599 0x45868, 0x45868,
2600 0x45880, 0x45884,
2601 0x458a0, 0x458b0,
2602 0x45a00, 0x45a04,
2603 0x45a10, 0x45a30,
2604 0x45a40, 0x45a60,
2605 0x45a68, 0x45a68,
2606 0x45a80, 0x45a84,
2607 0x45aa0, 0x45ab0,
2608 0x460c0, 0x460e4,
2609 0x47000, 0x4703c,
2610 0x47044, 0x4708c,
2611 0x47200, 0x47250,
2612 0x47400, 0x47408,
2613 0x47414, 0x47420,
2614 0x47600, 0x47618,
2615 0x47800, 0x47814,
2616 0x47820, 0x4782c,
2617 0x50000, 0x50084,
2618 0x50090, 0x500cc,
2619 0x50300, 0x50384,
2620 0x50400, 0x50400,
2621 0x50800, 0x50884,
2622 0x50890, 0x508cc,
2623 0x50b00, 0x50b84,
2624 0x50c00, 0x50c00,
2625 0x51000, 0x51020,
2626 0x51028, 0x510b0,
2627 0x51300, 0x51324,
2628 };
2629
2630 static const unsigned int t6vf_reg_ranges[] = {
2631 VF_SGE_REG(A_SGE_VF_KDOORBELL), VF_SGE_REG(A_SGE_VF_GTS),
2632 VF_MPS_REG(A_MPS_VF_CTL),
2633 VF_MPS_REG(A_MPS_VF_STAT_RX_VF_ERR_FRAMES_H),
2634 VF_PL_REG(A_PL_VF_WHOAMI), VF_PL_REG(A_PL_VF_REVISION),
2635 VF_CIM_REG(A_CIM_VF_EXT_MAILBOX_CTRL),
2636 VF_CIM_REG(A_CIM_VF_EXT_MAILBOX_STATUS),
2637 FW_T6VF_MBDATA_BASE_ADDR,
2638 FW_T6VF_MBDATA_BASE_ADDR +
2639 ((NUM_CIM_PF_MAILBOX_DATA_INSTANCES - 1) * 4),
2640 };
2641
2642 u32 *buf_end = (u32 *)(buf + buf_size);
2643 const unsigned int *reg_ranges;
2644 int reg_ranges_size, range;
2645 unsigned int chip_version = chip_id(adap);
2646
2647 /*
2648 * Select the right set of register ranges to dump depending on the
2649 * adapter chip type.
2650 */
2651 switch (chip_version) {
2652 case CHELSIO_T4:
2653 if (adap->flags & IS_VF) {
2654 reg_ranges = t4vf_reg_ranges;
2655 reg_ranges_size = ARRAY_SIZE(t4vf_reg_ranges);
2656 } else {
2657 reg_ranges = t4_reg_ranges;
2658 reg_ranges_size = ARRAY_SIZE(t4_reg_ranges);
2659 }
2660 break;
2661
2662 case CHELSIO_T5:
2663 if (adap->flags & IS_VF) {
2664 reg_ranges = t5vf_reg_ranges;
2665 reg_ranges_size = ARRAY_SIZE(t5vf_reg_ranges);
2666 } else {
2667 reg_ranges = t5_reg_ranges;
2668 reg_ranges_size = ARRAY_SIZE(t5_reg_ranges);
2669 }
2670 break;
2671
2672 case CHELSIO_T6:
2673 if (adap->flags & IS_VF) {
2674 reg_ranges = t6vf_reg_ranges;
2675 reg_ranges_size = ARRAY_SIZE(t6vf_reg_ranges);
2676 } else {
2677 reg_ranges = t6_reg_ranges;
2678 reg_ranges_size = ARRAY_SIZE(t6_reg_ranges);
2679 }
2680 break;
2681
2682 default:
2683 CH_ERR(adap,
2684 "Unsupported chip version %d\n", chip_version);
2685 return;
2686 }
2687
2688 /*
2689 * Clear the register buffer and insert the appropriate register
2690 * values selected by the above register ranges.
2691 */
2692 memset(buf, 0, buf_size);
2693 for (range = 0; range < reg_ranges_size; range += 2) {
2694 unsigned int reg = reg_ranges[range];
2695 unsigned int last_reg = reg_ranges[range + 1];
2696 u32 *bufp = (u32 *)(buf + reg);
2697
2698 /*
2699 * Iterate across the register range filling in the register
2700 * buffer but don't write past the end of the register buffer.
2701 */
2702 while (reg <= last_reg && bufp < buf_end) {
2703 *bufp++ = t4_read_reg(adap, reg);
2704 reg += sizeof(u32);
2705 }
2706 }
2707 }
2708
2709 /*
2710 * Partial EEPROM Vital Product Data structure. The VPD starts with one ID
2711 * header followed by one or more VPD-R sections, each with its own header.
2712 */
2713 struct t4_vpd_hdr {
2714 u8 id_tag;
2715 u8 id_len[2];
2716 u8 id_data[ID_LEN];
2717 };
2718
2719 struct t4_vpdr_hdr {
2720 u8 vpdr_tag;
2721 u8 vpdr_len[2];
2722 };
2723
2724 /*
2725 * EEPROM reads take a few tens of us while writes can take a bit over 5 ms.
2726 */
2727 #define EEPROM_DELAY 10 /* 10us per poll spin */
2728 #define EEPROM_MAX_POLL 5000 /* x 5000 == 50ms */
2729
2730 #define EEPROM_STAT_ADDR 0x7bfc
2731 #define VPD_SIZE 0x800
2732 #define VPD_BASE 0x400
2733 #define VPD_BASE_OLD 0
2734 #define VPD_LEN 1024
2735 #define VPD_INFO_FLD_HDR_SIZE 3
2736 #define CHELSIO_VPD_UNIQUE_ID 0x82
2737
2738 /*
2739 * Small utility function to wait till any outstanding VPD Access is complete.
2740 * We have a per-adapter state variable "VPD Busy" to indicate when we have a
2741 * VPD Access in flight. This allows us to handle the problem of having a
2742 * previous VPD Access time out and prevent an attempt to inject a new VPD
2743 * Request before any in-flight VPD reguest has completed.
2744 */
t4_seeprom_wait(struct adapter * adapter)2745 static int t4_seeprom_wait(struct adapter *adapter)
2746 {
2747 unsigned int base = adapter->params.pci.vpd_cap_addr;
2748 int max_poll;
2749
2750 /*
2751 * If no VPD Access is in flight, we can just return success right
2752 * away.
2753 */
2754 if (!adapter->vpd_busy)
2755 return 0;
2756
2757 /*
2758 * Poll the VPD Capability Address/Flag register waiting for it
2759 * to indicate that the operation is complete.
2760 */
2761 max_poll = EEPROM_MAX_POLL;
2762 do {
2763 u16 val;
2764
2765 udelay(EEPROM_DELAY);
2766 t4_os_pci_read_cfg2(adapter, base + PCI_VPD_ADDR, &val);
2767
2768 /*
2769 * If the operation is complete, mark the VPD as no longer
2770 * busy and return success.
2771 */
2772 if ((val & PCI_VPD_ADDR_F) == adapter->vpd_flag) {
2773 adapter->vpd_busy = 0;
2774 return 0;
2775 }
2776 } while (--max_poll);
2777
2778 /*
2779 * Failure! Note that we leave the VPD Busy status set in order to
2780 * avoid pushing a new VPD Access request into the VPD Capability till
2781 * the current operation eventually succeeds. It's a bug to issue a
2782 * new request when an existing request is in flight and will result
2783 * in corrupt hardware state.
2784 */
2785 return -ETIMEDOUT;
2786 }
2787
2788 /**
2789 * t4_seeprom_read - read a serial EEPROM location
2790 * @adapter: adapter to read
2791 * @addr: EEPROM virtual address
2792 * @data: where to store the read data
2793 *
2794 * Read a 32-bit word from a location in serial EEPROM using the card's PCI
2795 * VPD capability. Note that this function must be called with a virtual
2796 * address.
2797 */
t4_seeprom_read(struct adapter * adapter,u32 addr,u32 * data)2798 int t4_seeprom_read(struct adapter *adapter, u32 addr, u32 *data)
2799 {
2800 unsigned int base = adapter->params.pci.vpd_cap_addr;
2801 int ret;
2802
2803 /*
2804 * VPD Accesses must alway be 4-byte aligned!
2805 */
2806 if (addr >= EEPROMVSIZE || (addr & 3))
2807 return -EINVAL;
2808
2809 /*
2810 * Wait for any previous operation which may still be in flight to
2811 * complete.
2812 */
2813 ret = t4_seeprom_wait(adapter);
2814 if (ret) {
2815 CH_ERR(adapter, "VPD still busy from previous operation\n");
2816 return ret;
2817 }
2818
2819 /*
2820 * Issue our new VPD Read request, mark the VPD as being busy and wait
2821 * for our request to complete. If it doesn't complete, note the
2822 * error and return it to our caller. Note that we do not reset the
2823 * VPD Busy status!
2824 */
2825 t4_os_pci_write_cfg2(adapter, base + PCI_VPD_ADDR, (u16)addr);
2826 adapter->vpd_busy = 1;
2827 adapter->vpd_flag = PCI_VPD_ADDR_F;
2828 ret = t4_seeprom_wait(adapter);
2829 if (ret) {
2830 CH_ERR(adapter, "VPD read of address %#x failed\n", addr);
2831 return ret;
2832 }
2833
2834 /*
2835 * Grab the returned data, swizzle it into our endianness and
2836 * return success.
2837 */
2838 t4_os_pci_read_cfg4(adapter, base + PCI_VPD_DATA, data);
2839 *data = le32_to_cpu(*data);
2840 return 0;
2841 }
2842
2843 /**
2844 * t4_seeprom_write - write a serial EEPROM location
2845 * @adapter: adapter to write
2846 * @addr: virtual EEPROM address
2847 * @data: value to write
2848 *
2849 * Write a 32-bit word to a location in serial EEPROM using the card's PCI
2850 * VPD capability. Note that this function must be called with a virtual
2851 * address.
2852 */
t4_seeprom_write(struct adapter * adapter,u32 addr,u32 data)2853 int t4_seeprom_write(struct adapter *adapter, u32 addr, u32 data)
2854 {
2855 unsigned int base = adapter->params.pci.vpd_cap_addr;
2856 int ret;
2857 u32 stats_reg;
2858 int max_poll;
2859
2860 /*
2861 * VPD Accesses must alway be 4-byte aligned!
2862 */
2863 if (addr >= EEPROMVSIZE || (addr & 3))
2864 return -EINVAL;
2865
2866 /*
2867 * Wait for any previous operation which may still be in flight to
2868 * complete.
2869 */
2870 ret = t4_seeprom_wait(adapter);
2871 if (ret) {
2872 CH_ERR(adapter, "VPD still busy from previous operation\n");
2873 return ret;
2874 }
2875
2876 /*
2877 * Issue our new VPD Read request, mark the VPD as being busy and wait
2878 * for our request to complete. If it doesn't complete, note the
2879 * error and return it to our caller. Note that we do not reset the
2880 * VPD Busy status!
2881 */
2882 t4_os_pci_write_cfg4(adapter, base + PCI_VPD_DATA,
2883 cpu_to_le32(data));
2884 t4_os_pci_write_cfg2(adapter, base + PCI_VPD_ADDR,
2885 (u16)addr | PCI_VPD_ADDR_F);
2886 adapter->vpd_busy = 1;
2887 adapter->vpd_flag = 0;
2888 ret = t4_seeprom_wait(adapter);
2889 if (ret) {
2890 CH_ERR(adapter, "VPD write of address %#x failed\n", addr);
2891 return ret;
2892 }
2893
2894 /*
2895 * Reset PCI_VPD_DATA register after a transaction and wait for our
2896 * request to complete. If it doesn't complete, return error.
2897 */
2898 t4_os_pci_write_cfg4(adapter, base + PCI_VPD_DATA, 0);
2899 max_poll = EEPROM_MAX_POLL;
2900 do {
2901 udelay(EEPROM_DELAY);
2902 t4_seeprom_read(adapter, EEPROM_STAT_ADDR, &stats_reg);
2903 } while ((stats_reg & 0x1) && --max_poll);
2904 if (!max_poll)
2905 return -ETIMEDOUT;
2906
2907 /* Return success! */
2908 return 0;
2909 }
2910
2911 /**
2912 * t4_eeprom_ptov - translate a physical EEPROM address to virtual
2913 * @phys_addr: the physical EEPROM address
2914 * @fn: the PCI function number
2915 * @sz: size of function-specific area
2916 *
2917 * Translate a physical EEPROM address to virtual. The first 1K is
2918 * accessed through virtual addresses starting at 31K, the rest is
2919 * accessed through virtual addresses starting at 0.
2920 *
2921 * The mapping is as follows:
2922 * [0..1K) -> [31K..32K)
2923 * [1K..1K+A) -> [ES-A..ES)
2924 * [1K+A..ES) -> [0..ES-A-1K)
2925 *
2926 * where A = @fn * @sz, and ES = EEPROM size.
2927 */
t4_eeprom_ptov(unsigned int phys_addr,unsigned int fn,unsigned int sz)2928 int t4_eeprom_ptov(unsigned int phys_addr, unsigned int fn, unsigned int sz)
2929 {
2930 fn *= sz;
2931 if (phys_addr < 1024)
2932 return phys_addr + (31 << 10);
2933 if (phys_addr < 1024 + fn)
2934 return EEPROMSIZE - fn + phys_addr - 1024;
2935 if (phys_addr < EEPROMSIZE)
2936 return phys_addr - 1024 - fn;
2937 return -EINVAL;
2938 }
2939
2940 /**
2941 * t4_seeprom_wp - enable/disable EEPROM write protection
2942 * @adapter: the adapter
2943 * @enable: whether to enable or disable write protection
2944 *
2945 * Enables or disables write protection on the serial EEPROM.
2946 */
t4_seeprom_wp(struct adapter * adapter,int enable)2947 int t4_seeprom_wp(struct adapter *adapter, int enable)
2948 {
2949 return t4_seeprom_write(adapter, EEPROM_STAT_ADDR, enable ? 0xc : 0);
2950 }
2951
2952 /**
2953 * get_vpd_keyword_val - Locates an information field keyword in the VPD
2954 * @vpd: Pointer to buffered vpd data structure
2955 * @kw: The keyword to search for
2956 * @region: VPD region to search (starting from 0)
2957 *
2958 * Returns the value of the information field keyword or
2959 * -ENOENT otherwise.
2960 */
get_vpd_keyword_val(const u8 * vpd,const char * kw,int region)2961 static int get_vpd_keyword_val(const u8 *vpd, const char *kw, int region)
2962 {
2963 int i, tag;
2964 unsigned int offset, len;
2965 const struct t4_vpdr_hdr *vpdr;
2966
2967 offset = sizeof(struct t4_vpd_hdr);
2968 vpdr = (const void *)(vpd + offset);
2969 tag = vpdr->vpdr_tag;
2970 len = (u16)vpdr->vpdr_len[0] + ((u16)vpdr->vpdr_len[1] << 8);
2971 while (region--) {
2972 offset += sizeof(struct t4_vpdr_hdr) + len;
2973 vpdr = (const void *)(vpd + offset);
2974 if (++tag != vpdr->vpdr_tag)
2975 return -ENOENT;
2976 len = (u16)vpdr->vpdr_len[0] + ((u16)vpdr->vpdr_len[1] << 8);
2977 }
2978 offset += sizeof(struct t4_vpdr_hdr);
2979
2980 if (offset + len > VPD_LEN) {
2981 return -ENOENT;
2982 }
2983
2984 for (i = offset; i + VPD_INFO_FLD_HDR_SIZE <= offset + len;) {
2985 if (memcmp(vpd + i , kw , 2) == 0){
2986 i += VPD_INFO_FLD_HDR_SIZE;
2987 return i;
2988 }
2989
2990 i += VPD_INFO_FLD_HDR_SIZE + vpd[i+2];
2991 }
2992
2993 return -ENOENT;
2994 }
2995
2996
2997 /**
2998 * get_vpd_params - read VPD parameters from VPD EEPROM
2999 * @adapter: adapter to read
3000 * @p: where to store the parameters
3001 * @vpd: caller provided temporary space to read the VPD into
3002 *
3003 * Reads card parameters stored in VPD EEPROM.
3004 */
get_vpd_params(struct adapter * adapter,struct vpd_params * p,uint16_t device_id,u32 * buf)3005 static int get_vpd_params(struct adapter *adapter, struct vpd_params *p,
3006 uint16_t device_id, u32 *buf)
3007 {
3008 int i, ret, addr;
3009 int ec, sn, pn, na, md;
3010 u8 csum;
3011 const u8 *vpd = (const u8 *)buf;
3012
3013 /*
3014 * Card information normally starts at VPD_BASE but early cards had
3015 * it at 0.
3016 */
3017 ret = t4_seeprom_read(adapter, VPD_BASE, buf);
3018 if (ret)
3019 return (ret);
3020
3021 /*
3022 * The VPD shall have a unique identifier specified by the PCI SIG.
3023 * For chelsio adapters, the identifier is 0x82. The first byte of a VPD
3024 * shall be CHELSIO_VPD_UNIQUE_ID (0x82). The VPD programming software
3025 * is expected to automatically put this entry at the
3026 * beginning of the VPD.
3027 */
3028 addr = *vpd == CHELSIO_VPD_UNIQUE_ID ? VPD_BASE : VPD_BASE_OLD;
3029
3030 for (i = 0; i < VPD_LEN; i += 4) {
3031 ret = t4_seeprom_read(adapter, addr + i, buf++);
3032 if (ret)
3033 return ret;
3034 }
3035
3036 #define FIND_VPD_KW(var,name) do { \
3037 var = get_vpd_keyword_val(vpd, name, 0); \
3038 if (var < 0) { \
3039 CH_ERR(adapter, "missing VPD keyword " name "\n"); \
3040 return -EINVAL; \
3041 } \
3042 } while (0)
3043
3044 FIND_VPD_KW(i, "RV");
3045 for (csum = 0; i >= 0; i--)
3046 csum += vpd[i];
3047
3048 if (csum) {
3049 CH_ERR(adapter,
3050 "corrupted VPD EEPROM, actual csum %u\n", csum);
3051 return -EINVAL;
3052 }
3053
3054 FIND_VPD_KW(ec, "EC");
3055 FIND_VPD_KW(sn, "SN");
3056 FIND_VPD_KW(pn, "PN");
3057 FIND_VPD_KW(na, "NA");
3058 #undef FIND_VPD_KW
3059
3060 memcpy(p->id, vpd + offsetof(struct t4_vpd_hdr, id_data), ID_LEN);
3061 strstrip(p->id);
3062 memcpy(p->ec, vpd + ec, EC_LEN);
3063 strstrip(p->ec);
3064 i = vpd[sn - VPD_INFO_FLD_HDR_SIZE + 2];
3065 memcpy(p->sn, vpd + sn, min(i, SERNUM_LEN));
3066 strstrip(p->sn);
3067 i = vpd[pn - VPD_INFO_FLD_HDR_SIZE + 2];
3068 memcpy(p->pn, vpd + pn, min(i, PN_LEN));
3069 strstrip((char *)p->pn);
3070 i = vpd[na - VPD_INFO_FLD_HDR_SIZE + 2];
3071 memcpy(p->na, vpd + na, min(i, MACADDR_LEN));
3072 strstrip((char *)p->na);
3073
3074 if (device_id & 0x80)
3075 return 0; /* Custom card */
3076
3077 md = get_vpd_keyword_val(vpd, "VF", 1);
3078 if (md < 0) {
3079 snprintf(p->md, sizeof(p->md), "unknown");
3080 } else {
3081 i = vpd[md - VPD_INFO_FLD_HDR_SIZE + 2];
3082 memcpy(p->md, vpd + md, min(i, MD_LEN));
3083 strstrip((char *)p->md);
3084 }
3085
3086 return 0;
3087 }
3088
3089 /* serial flash and firmware constants and flash config file constants */
3090 enum {
3091 SF_ATTEMPTS = 10, /* max retries for SF operations */
3092
3093 /* flash command opcodes */
3094 SF_PROG_PAGE = 2, /* program 256B page */
3095 SF_WR_DISABLE = 4, /* disable writes */
3096 SF_RD_STATUS = 5, /* read status register */
3097 SF_WR_ENABLE = 6, /* enable writes */
3098 SF_RD_DATA_FAST = 0xb, /* read flash */
3099 SF_RD_ID = 0x9f, /* read ID */
3100 SF_ERASE_SECTOR = 0xd8, /* erase 64KB sector */
3101 };
3102
3103 /**
3104 * sf1_read - read data from the serial flash
3105 * @adapter: the adapter
3106 * @byte_cnt: number of bytes to read
3107 * @cont: whether another operation will be chained
3108 * @lock: whether to lock SF for PL access only
3109 * @valp: where to store the read data
3110 *
3111 * Reads up to 4 bytes of data from the serial flash. The location of
3112 * the read needs to be specified prior to calling this by issuing the
3113 * appropriate commands to the serial flash.
3114 */
sf1_read(struct adapter * adapter,unsigned int byte_cnt,int cont,int lock,u32 * valp)3115 static int sf1_read(struct adapter *adapter, unsigned int byte_cnt, int cont,
3116 int lock, u32 *valp)
3117 {
3118 int ret;
3119
3120 if (!byte_cnt || byte_cnt > 4)
3121 return -EINVAL;
3122 if (t4_read_reg(adapter, A_SF_OP) & F_BUSY)
3123 return -EBUSY;
3124 t4_write_reg(adapter, A_SF_OP,
3125 V_SF_LOCK(lock) | V_CONT(cont) | V_BYTECNT(byte_cnt - 1));
3126 ret = t4_wait_op_done(adapter, A_SF_OP, F_BUSY, 0, SF_ATTEMPTS, 5);
3127 if (!ret)
3128 *valp = t4_read_reg(adapter, A_SF_DATA);
3129 return ret;
3130 }
3131
3132 /**
3133 * sf1_write - write data to the serial flash
3134 * @adapter: the adapter
3135 * @byte_cnt: number of bytes to write
3136 * @cont: whether another operation will be chained
3137 * @lock: whether to lock SF for PL access only
3138 * @val: value to write
3139 *
3140 * Writes up to 4 bytes of data to the serial flash. The location of
3141 * the write needs to be specified prior to calling this by issuing the
3142 * appropriate commands to the serial flash.
3143 */
sf1_write(struct adapter * adapter,unsigned int byte_cnt,int cont,int lock,u32 val)3144 static int sf1_write(struct adapter *adapter, unsigned int byte_cnt, int cont,
3145 int lock, u32 val)
3146 {
3147 if (!byte_cnt || byte_cnt > 4)
3148 return -EINVAL;
3149 if (t4_read_reg(adapter, A_SF_OP) & F_BUSY)
3150 return -EBUSY;
3151 t4_write_reg(adapter, A_SF_DATA, val);
3152 t4_write_reg(adapter, A_SF_OP, V_SF_LOCK(lock) |
3153 V_CONT(cont) | V_BYTECNT(byte_cnt - 1) | V_OP(1));
3154 return t4_wait_op_done(adapter, A_SF_OP, F_BUSY, 0, SF_ATTEMPTS, 5);
3155 }
3156
3157 /**
3158 * flash_wait_op - wait for a flash operation to complete
3159 * @adapter: the adapter
3160 * @attempts: max number of polls of the status register
3161 * @delay: delay between polls in ms
3162 *
3163 * Wait for a flash operation to complete by polling the status register.
3164 */
flash_wait_op(struct adapter * adapter,int attempts,int delay)3165 static int flash_wait_op(struct adapter *adapter, int attempts, int delay)
3166 {
3167 int ret;
3168 u32 status;
3169
3170 while (1) {
3171 if ((ret = sf1_write(adapter, 1, 1, 1, SF_RD_STATUS)) != 0 ||
3172 (ret = sf1_read(adapter, 1, 0, 1, &status)) != 0)
3173 return ret;
3174 if (!(status & 1))
3175 return 0;
3176 if (--attempts == 0)
3177 return -EAGAIN;
3178 if (delay)
3179 msleep(delay);
3180 }
3181 }
3182
3183 /**
3184 * t4_read_flash - read words from serial flash
3185 * @adapter: the adapter
3186 * @addr: the start address for the read
3187 * @nwords: how many 32-bit words to read
3188 * @data: where to store the read data
3189 * @byte_oriented: whether to store data as bytes or as words
3190 *
3191 * Read the specified number of 32-bit words from the serial flash.
3192 * If @byte_oriented is set the read data is stored as a byte array
3193 * (i.e., big-endian), otherwise as 32-bit words in the platform's
3194 * natural endianness.
3195 */
t4_read_flash(struct adapter * adapter,unsigned int addr,unsigned int nwords,u32 * data,int byte_oriented)3196 int t4_read_flash(struct adapter *adapter, unsigned int addr,
3197 unsigned int nwords, u32 *data, int byte_oriented)
3198 {
3199 int ret;
3200
3201 if (addr + nwords * sizeof(u32) > adapter->params.sf_size || (addr & 3))
3202 return -EINVAL;
3203
3204 addr = swab32(addr) | SF_RD_DATA_FAST;
3205
3206 if ((ret = sf1_write(adapter, 4, 1, 0, addr)) != 0 ||
3207 (ret = sf1_read(adapter, 1, 1, 0, data)) != 0)
3208 return ret;
3209
3210 for ( ; nwords; nwords--, data++) {
3211 ret = sf1_read(adapter, 4, nwords > 1, nwords == 1, data);
3212 if (nwords == 1)
3213 t4_write_reg(adapter, A_SF_OP, 0); /* unlock SF */
3214 if (ret)
3215 return ret;
3216 if (byte_oriented)
3217 *data = (__force __u32)(cpu_to_be32(*data));
3218 }
3219 return 0;
3220 }
3221
3222 /**
3223 * t4_write_flash - write up to a page of data to the serial flash
3224 * @adapter: the adapter
3225 * @addr: the start address to write
3226 * @n: length of data to write in bytes
3227 * @data: the data to write
3228 * @byte_oriented: whether to store data as bytes or as words
3229 *
3230 * Writes up to a page of data (256 bytes) to the serial flash starting
3231 * at the given address. All the data must be written to the same page.
3232 * If @byte_oriented is set the write data is stored as byte stream
3233 * (i.e. matches what on disk), otherwise in big-endian.
3234 */
t4_write_flash(struct adapter * adapter,unsigned int addr,unsigned int n,const u8 * data,int byte_oriented)3235 int t4_write_flash(struct adapter *adapter, unsigned int addr,
3236 unsigned int n, const u8 *data, int byte_oriented)
3237 {
3238 int ret;
3239 u32 buf[SF_PAGE_SIZE / 4];
3240 unsigned int i, c, left, val, offset = addr & 0xff;
3241
3242 if (addr >= adapter->params.sf_size || offset + n > SF_PAGE_SIZE)
3243 return -EINVAL;
3244
3245 val = swab32(addr) | SF_PROG_PAGE;
3246
3247 if ((ret = sf1_write(adapter, 1, 0, 1, SF_WR_ENABLE)) != 0 ||
3248 (ret = sf1_write(adapter, 4, 1, 1, val)) != 0)
3249 goto unlock;
3250
3251 for (left = n; left; left -= c) {
3252 c = min(left, 4U);
3253 for (val = 0, i = 0; i < c; ++i)
3254 val = (val << 8) + *data++;
3255
3256 if (!byte_oriented)
3257 val = cpu_to_be32(val);
3258
3259 ret = sf1_write(adapter, c, c != left, 1, val);
3260 if (ret)
3261 goto unlock;
3262 }
3263 ret = flash_wait_op(adapter, 8, 1);
3264 if (ret)
3265 goto unlock;
3266
3267 t4_write_reg(adapter, A_SF_OP, 0); /* unlock SF */
3268
3269 /* Read the page to verify the write succeeded */
3270 ret = t4_read_flash(adapter, addr & ~0xff, ARRAY_SIZE(buf), buf,
3271 byte_oriented);
3272 if (ret)
3273 return ret;
3274
3275 if (memcmp(data - n, (u8 *)buf + offset, n)) {
3276 CH_ERR(adapter,
3277 "failed to correctly write the flash page at %#x\n",
3278 addr);
3279 return -EIO;
3280 }
3281 return 0;
3282
3283 unlock:
3284 t4_write_reg(adapter, A_SF_OP, 0); /* unlock SF */
3285 return ret;
3286 }
3287
3288 /**
3289 * t4_get_fw_version - read the firmware version
3290 * @adapter: the adapter
3291 * @vers: where to place the version
3292 *
3293 * Reads the FW version from flash.
3294 */
t4_get_fw_version(struct adapter * adapter,u32 * vers)3295 int t4_get_fw_version(struct adapter *adapter, u32 *vers)
3296 {
3297 return t4_read_flash(adapter, FLASH_FW_START +
3298 offsetof(struct fw_hdr, fw_ver), 1,
3299 vers, 0);
3300 }
3301
3302 /**
3303 * t4_get_fw_hdr - read the firmware header
3304 * @adapter: the adapter
3305 * @hdr: where to place the version
3306 *
3307 * Reads the FW header from flash into caller provided buffer.
3308 */
t4_get_fw_hdr(struct adapter * adapter,struct fw_hdr * hdr)3309 int t4_get_fw_hdr(struct adapter *adapter, struct fw_hdr *hdr)
3310 {
3311 return t4_read_flash(adapter, FLASH_FW_START,
3312 sizeof (*hdr) / sizeof (uint32_t), (uint32_t *)hdr, 1);
3313 }
3314
3315 /**
3316 * t4_get_bs_version - read the firmware bootstrap version
3317 * @adapter: the adapter
3318 * @vers: where to place the version
3319 *
3320 * Reads the FW Bootstrap version from flash.
3321 */
t4_get_bs_version(struct adapter * adapter,u32 * vers)3322 int t4_get_bs_version(struct adapter *adapter, u32 *vers)
3323 {
3324 return t4_read_flash(adapter, FLASH_FWBOOTSTRAP_START +
3325 offsetof(struct fw_hdr, fw_ver), 1,
3326 vers, 0);
3327 }
3328
3329 /**
3330 * t4_get_tp_version - read the TP microcode version
3331 * @adapter: the adapter
3332 * @vers: where to place the version
3333 *
3334 * Reads the TP microcode version from flash.
3335 */
t4_get_tp_version(struct adapter * adapter,u32 * vers)3336 int t4_get_tp_version(struct adapter *adapter, u32 *vers)
3337 {
3338 return t4_read_flash(adapter, FLASH_FW_START +
3339 offsetof(struct fw_hdr, tp_microcode_ver),
3340 1, vers, 0);
3341 }
3342
3343 /**
3344 * t4_get_exprom_version - return the Expansion ROM version (if any)
3345 * @adapter: the adapter
3346 * @vers: where to place the version
3347 *
3348 * Reads the Expansion ROM header from FLASH and returns the version
3349 * number (if present) through the @vers return value pointer. We return
3350 * this in the Firmware Version Format since it's convenient. Return
3351 * 0 on success, -ENOENT if no Expansion ROM is present.
3352 */
t4_get_exprom_version(struct adapter * adapter,u32 * vers)3353 int t4_get_exprom_version(struct adapter *adapter, u32 *vers)
3354 {
3355 struct exprom_header {
3356 unsigned char hdr_arr[16]; /* must start with 0x55aa */
3357 unsigned char hdr_ver[4]; /* Expansion ROM version */
3358 } *hdr;
3359 u32 exprom_header_buf[DIV_ROUND_UP(sizeof(struct exprom_header),
3360 sizeof(u32))];
3361 int ret;
3362
3363 ret = t4_read_flash(adapter, FLASH_EXP_ROM_START,
3364 ARRAY_SIZE(exprom_header_buf), exprom_header_buf,
3365 0);
3366 if (ret)
3367 return ret;
3368
3369 hdr = (struct exprom_header *)exprom_header_buf;
3370 if (hdr->hdr_arr[0] != 0x55 || hdr->hdr_arr[1] != 0xaa)
3371 return -ENOENT;
3372
3373 *vers = (V_FW_HDR_FW_VER_MAJOR(hdr->hdr_ver[0]) |
3374 V_FW_HDR_FW_VER_MINOR(hdr->hdr_ver[1]) |
3375 V_FW_HDR_FW_VER_MICRO(hdr->hdr_ver[2]) |
3376 V_FW_HDR_FW_VER_BUILD(hdr->hdr_ver[3]));
3377 return 0;
3378 }
3379
3380 /**
3381 * t4_get_scfg_version - return the Serial Configuration version
3382 * @adapter: the adapter
3383 * @vers: where to place the version
3384 *
3385 * Reads the Serial Configuration Version via the Firmware interface
3386 * (thus this can only be called once we're ready to issue Firmware
3387 * commands). The format of the Serial Configuration version is
3388 * adapter specific. Returns 0 on success, an error on failure.
3389 *
3390 * Note that early versions of the Firmware didn't include the ability
3391 * to retrieve the Serial Configuration version, so we zero-out the
3392 * return-value parameter in that case to avoid leaving it with
3393 * garbage in it.
3394 *
3395 * Also note that the Firmware will return its cached copy of the Serial
3396 * Initialization Revision ID, not the actual Revision ID as written in
3397 * the Serial EEPROM. This is only an issue if a new VPD has been written
3398 * and the Firmware/Chip haven't yet gone through a RESET sequence. So
3399 * it's best to defer calling this routine till after a FW_RESET_CMD has
3400 * been issued if the Host Driver will be performing a full adapter
3401 * initialization.
3402 */
t4_get_scfg_version(struct adapter * adapter,u32 * vers)3403 int t4_get_scfg_version(struct adapter *adapter, u32 *vers)
3404 {
3405 u32 scfgrev_param;
3406 int ret;
3407
3408 scfgrev_param = (V_FW_PARAMS_MNEM(FW_PARAMS_MNEM_DEV) |
3409 V_FW_PARAMS_PARAM_X(FW_PARAMS_PARAM_DEV_SCFGREV));
3410 ret = t4_query_params(adapter, adapter->mbox, adapter->pf, 0,
3411 1, &scfgrev_param, vers);
3412 if (ret)
3413 *vers = 0;
3414 return ret;
3415 }
3416
3417 /**
3418 * t4_get_vpd_version - return the VPD version
3419 * @adapter: the adapter
3420 * @vers: where to place the version
3421 *
3422 * Reads the VPD via the Firmware interface (thus this can only be called
3423 * once we're ready to issue Firmware commands). The format of the
3424 * VPD version is adapter specific. Returns 0 on success, an error on
3425 * failure.
3426 *
3427 * Note that early versions of the Firmware didn't include the ability
3428 * to retrieve the VPD version, so we zero-out the return-value parameter
3429 * in that case to avoid leaving it with garbage in it.
3430 *
3431 * Also note that the Firmware will return its cached copy of the VPD
3432 * Revision ID, not the actual Revision ID as written in the Serial
3433 * EEPROM. This is only an issue if a new VPD has been written and the
3434 * Firmware/Chip haven't yet gone through a RESET sequence. So it's best
3435 * to defer calling this routine till after a FW_RESET_CMD has been issued
3436 * if the Host Driver will be performing a full adapter initialization.
3437 */
t4_get_vpd_version(struct adapter * adapter,u32 * vers)3438 int t4_get_vpd_version(struct adapter *adapter, u32 *vers)
3439 {
3440 u32 vpdrev_param;
3441 int ret;
3442
3443 vpdrev_param = (V_FW_PARAMS_MNEM(FW_PARAMS_MNEM_DEV) |
3444 V_FW_PARAMS_PARAM_X(FW_PARAMS_PARAM_DEV_VPDREV));
3445 ret = t4_query_params(adapter, adapter->mbox, adapter->pf, 0,
3446 1, &vpdrev_param, vers);
3447 if (ret)
3448 *vers = 0;
3449 return ret;
3450 }
3451
3452 /**
3453 * t4_get_version_info - extract various chip/firmware version information
3454 * @adapter: the adapter
3455 *
3456 * Reads various chip/firmware version numbers and stores them into the
3457 * adapter Adapter Parameters structure. If any of the efforts fails
3458 * the first failure will be returned, but all of the version numbers
3459 * will be read.
3460 */
t4_get_version_info(struct adapter * adapter)3461 int t4_get_version_info(struct adapter *adapter)
3462 {
3463 int ret = 0;
3464
3465 #define FIRST_RET(__getvinfo) \
3466 do { \
3467 int __ret = __getvinfo; \
3468 if (__ret && !ret) \
3469 ret = __ret; \
3470 } while (0)
3471
3472 FIRST_RET(t4_get_fw_version(adapter, &adapter->params.fw_vers));
3473 FIRST_RET(t4_get_bs_version(adapter, &adapter->params.bs_vers));
3474 FIRST_RET(t4_get_tp_version(adapter, &adapter->params.tp_vers));
3475 FIRST_RET(t4_get_exprom_version(adapter, &adapter->params.er_vers));
3476 FIRST_RET(t4_get_scfg_version(adapter, &adapter->params.scfg_vers));
3477 FIRST_RET(t4_get_vpd_version(adapter, &adapter->params.vpd_vers));
3478
3479 #undef FIRST_RET
3480
3481 return ret;
3482 }
3483
3484 /**
3485 * t4_flash_erase_sectors - erase a range of flash sectors
3486 * @adapter: the adapter
3487 * @start: the first sector to erase
3488 * @end: the last sector to erase
3489 *
3490 * Erases the sectors in the given inclusive range.
3491 */
t4_flash_erase_sectors(struct adapter * adapter,int start,int end)3492 int t4_flash_erase_sectors(struct adapter *adapter, int start, int end)
3493 {
3494 int ret = 0;
3495
3496 if (end >= adapter->params.sf_nsec)
3497 return -EINVAL;
3498
3499 while (start <= end) {
3500 if ((ret = sf1_write(adapter, 1, 0, 1, SF_WR_ENABLE)) != 0 ||
3501 (ret = sf1_write(adapter, 4, 0, 1,
3502 SF_ERASE_SECTOR | (start << 8))) != 0 ||
3503 (ret = flash_wait_op(adapter, 14, 500)) != 0) {
3504 CH_ERR(adapter,
3505 "erase of flash sector %d failed, error %d\n",
3506 start, ret);
3507 break;
3508 }
3509 start++;
3510 }
3511 t4_write_reg(adapter, A_SF_OP, 0); /* unlock SF */
3512 return ret;
3513 }
3514
3515 /**
3516 * t4_flash_cfg_addr - return the address of the flash configuration file
3517 * @adapter: the adapter
3518 *
3519 * Return the address within the flash where the Firmware Configuration
3520 * File is stored, or an error if the device FLASH is too small to contain
3521 * a Firmware Configuration File.
3522 */
t4_flash_cfg_addr(struct adapter * adapter)3523 int t4_flash_cfg_addr(struct adapter *adapter)
3524 {
3525 /*
3526 * If the device FLASH isn't large enough to hold a Firmware
3527 * Configuration File, return an error.
3528 */
3529 if (adapter->params.sf_size < FLASH_CFG_START + FLASH_CFG_MAX_SIZE)
3530 return -ENOSPC;
3531
3532 return FLASH_CFG_START;
3533 }
3534
3535 /*
3536 * Return TRUE if the specified firmware matches the adapter. I.e. T4
3537 * firmware for T4 adapters, T5 firmware for T5 adapters, etc. We go ahead
3538 * and emit an error message for mismatched firmware to save our caller the
3539 * effort ...
3540 */
t4_fw_matches_chip(struct adapter * adap,const struct fw_hdr * hdr)3541 static int t4_fw_matches_chip(struct adapter *adap,
3542 const struct fw_hdr *hdr)
3543 {
3544 /*
3545 * The expression below will return FALSE for any unsupported adapter
3546 * which will keep us "honest" in the future ...
3547 */
3548 if ((is_t4(adap) && hdr->chip == FW_HDR_CHIP_T4) ||
3549 (is_t5(adap) && hdr->chip == FW_HDR_CHIP_T5) ||
3550 (is_t6(adap) && hdr->chip == FW_HDR_CHIP_T6))
3551 return 1;
3552
3553 CH_ERR(adap,
3554 "FW image (%d) is not suitable for this adapter (%d)\n",
3555 hdr->chip, chip_id(adap));
3556 return 0;
3557 }
3558
3559 /**
3560 * t4_load_fw - download firmware
3561 * @adap: the adapter
3562 * @fw_data: the firmware image to write
3563 * @size: image size
3564 *
3565 * Write the supplied firmware image to the card's serial flash.
3566 */
t4_load_fw(struct adapter * adap,const u8 * fw_data,unsigned int size)3567 int t4_load_fw(struct adapter *adap, const u8 *fw_data, unsigned int size)
3568 {
3569 u32 csum;
3570 int ret, addr;
3571 unsigned int i;
3572 u8 first_page[SF_PAGE_SIZE];
3573 const u32 *p = (const u32 *)fw_data;
3574 const struct fw_hdr *hdr = (const struct fw_hdr *)fw_data;
3575 unsigned int sf_sec_size = adap->params.sf_size / adap->params.sf_nsec;
3576 unsigned int fw_start_sec;
3577 unsigned int fw_start;
3578 unsigned int fw_size;
3579
3580 if (ntohl(hdr->magic) == FW_HDR_MAGIC_BOOTSTRAP) {
3581 fw_start_sec = FLASH_FWBOOTSTRAP_START_SEC;
3582 fw_start = FLASH_FWBOOTSTRAP_START;
3583 fw_size = FLASH_FWBOOTSTRAP_MAX_SIZE;
3584 } else {
3585 fw_start_sec = FLASH_FW_START_SEC;
3586 fw_start = FLASH_FW_START;
3587 fw_size = FLASH_FW_MAX_SIZE;
3588 }
3589
3590 if (!size) {
3591 CH_ERR(adap, "FW image has no data\n");
3592 return -EINVAL;
3593 }
3594 if (size & 511) {
3595 CH_ERR(adap,
3596 "FW image size not multiple of 512 bytes\n");
3597 return -EINVAL;
3598 }
3599 if ((unsigned int) be16_to_cpu(hdr->len512) * 512 != size) {
3600 CH_ERR(adap,
3601 "FW image size differs from size in FW header\n");
3602 return -EINVAL;
3603 }
3604 if (size > fw_size) {
3605 CH_ERR(adap, "FW image too large, max is %u bytes\n",
3606 fw_size);
3607 return -EFBIG;
3608 }
3609 if (!t4_fw_matches_chip(adap, hdr))
3610 return -EINVAL;
3611
3612 for (csum = 0, i = 0; i < size / sizeof(csum); i++)
3613 csum += be32_to_cpu(p[i]);
3614
3615 if (csum != 0xffffffff) {
3616 CH_ERR(adap,
3617 "corrupted firmware image, checksum %#x\n", csum);
3618 return -EINVAL;
3619 }
3620
3621 i = DIV_ROUND_UP(size, sf_sec_size); /* # of sectors spanned */
3622 ret = t4_flash_erase_sectors(adap, fw_start_sec, fw_start_sec + i - 1);
3623 if (ret)
3624 goto out;
3625
3626 /*
3627 * We write the correct version at the end so the driver can see a bad
3628 * version if the FW write fails. Start by writing a copy of the
3629 * first page with a bad version.
3630 */
3631 memcpy(first_page, fw_data, SF_PAGE_SIZE);
3632 ((struct fw_hdr *)first_page)->fw_ver = cpu_to_be32(0xffffffff);
3633 ret = t4_write_flash(adap, fw_start, SF_PAGE_SIZE, first_page, 1);
3634 if (ret)
3635 goto out;
3636
3637 addr = fw_start;
3638 for (size -= SF_PAGE_SIZE; size; size -= SF_PAGE_SIZE) {
3639 addr += SF_PAGE_SIZE;
3640 fw_data += SF_PAGE_SIZE;
3641 ret = t4_write_flash(adap, addr, SF_PAGE_SIZE, fw_data, 1);
3642 if (ret)
3643 goto out;
3644 }
3645
3646 ret = t4_write_flash(adap,
3647 fw_start + offsetof(struct fw_hdr, fw_ver),
3648 sizeof(hdr->fw_ver), (const u8 *)&hdr->fw_ver, 1);
3649 out:
3650 if (ret)
3651 CH_ERR(adap, "firmware download failed, error %d\n",
3652 ret);
3653 return ret;
3654 }
3655
3656 /**
3657 * t4_fwcache - firmware cache operation
3658 * @adap: the adapter
3659 * @op : the operation (flush or flush and invalidate)
3660 */
t4_fwcache(struct adapter * adap,enum fw_params_param_dev_fwcache op)3661 int t4_fwcache(struct adapter *adap, enum fw_params_param_dev_fwcache op)
3662 {
3663 struct fw_params_cmd c;
3664
3665 memset(&c, 0, sizeof(c));
3666 c.op_to_vfn =
3667 cpu_to_be32(V_FW_CMD_OP(FW_PARAMS_CMD) |
3668 F_FW_CMD_REQUEST | F_FW_CMD_WRITE |
3669 V_FW_PARAMS_CMD_PFN(adap->pf) |
3670 V_FW_PARAMS_CMD_VFN(0));
3671 c.retval_len16 = cpu_to_be32(FW_LEN16(c));
3672 c.param[0].mnem =
3673 cpu_to_be32(V_FW_PARAMS_MNEM(FW_PARAMS_MNEM_DEV) |
3674 V_FW_PARAMS_PARAM_X(FW_PARAMS_PARAM_DEV_FWCACHE));
3675 c.param[0].val = (__force __be32)op;
3676
3677 return t4_wr_mbox(adap, adap->mbox, &c, sizeof(c), NULL);
3678 }
3679
t4_cim_read_pif_la(struct adapter * adap,u32 * pif_req,u32 * pif_rsp,unsigned int * pif_req_wrptr,unsigned int * pif_rsp_wrptr)3680 void t4_cim_read_pif_la(struct adapter *adap, u32 *pif_req, u32 *pif_rsp,
3681 unsigned int *pif_req_wrptr,
3682 unsigned int *pif_rsp_wrptr)
3683 {
3684 int i, j;
3685 u32 cfg, val, req, rsp;
3686
3687 cfg = t4_read_reg(adap, A_CIM_DEBUGCFG);
3688 if (cfg & F_LADBGEN)
3689 t4_write_reg(adap, A_CIM_DEBUGCFG, cfg ^ F_LADBGEN);
3690
3691 val = t4_read_reg(adap, A_CIM_DEBUGSTS);
3692 req = G_POLADBGWRPTR(val);
3693 rsp = G_PILADBGWRPTR(val);
3694 if (pif_req_wrptr)
3695 *pif_req_wrptr = req;
3696 if (pif_rsp_wrptr)
3697 *pif_rsp_wrptr = rsp;
3698
3699 for (i = 0; i < CIM_PIFLA_SIZE; i++) {
3700 for (j = 0; j < 6; j++) {
3701 t4_write_reg(adap, A_CIM_DEBUGCFG, V_POLADBGRDPTR(req) |
3702 V_PILADBGRDPTR(rsp));
3703 *pif_req++ = t4_read_reg(adap, A_CIM_PO_LA_DEBUGDATA);
3704 *pif_rsp++ = t4_read_reg(adap, A_CIM_PI_LA_DEBUGDATA);
3705 req++;
3706 rsp++;
3707 }
3708 req = (req + 2) & M_POLADBGRDPTR;
3709 rsp = (rsp + 2) & M_PILADBGRDPTR;
3710 }
3711 t4_write_reg(adap, A_CIM_DEBUGCFG, cfg);
3712 }
3713
t4_cim_read_ma_la(struct adapter * adap,u32 * ma_req,u32 * ma_rsp)3714 void t4_cim_read_ma_la(struct adapter *adap, u32 *ma_req, u32 *ma_rsp)
3715 {
3716 u32 cfg;
3717 int i, j, idx;
3718
3719 cfg = t4_read_reg(adap, A_CIM_DEBUGCFG);
3720 if (cfg & F_LADBGEN)
3721 t4_write_reg(adap, A_CIM_DEBUGCFG, cfg ^ F_LADBGEN);
3722
3723 for (i = 0; i < CIM_MALA_SIZE; i++) {
3724 for (j = 0; j < 5; j++) {
3725 idx = 8 * i + j;
3726 t4_write_reg(adap, A_CIM_DEBUGCFG, V_POLADBGRDPTR(idx) |
3727 V_PILADBGRDPTR(idx));
3728 *ma_req++ = t4_read_reg(adap, A_CIM_PO_LA_MADEBUGDATA);
3729 *ma_rsp++ = t4_read_reg(adap, A_CIM_PI_LA_MADEBUGDATA);
3730 }
3731 }
3732 t4_write_reg(adap, A_CIM_DEBUGCFG, cfg);
3733 }
3734
t4_ulprx_read_la(struct adapter * adap,u32 * la_buf)3735 void t4_ulprx_read_la(struct adapter *adap, u32 *la_buf)
3736 {
3737 unsigned int i, j;
3738
3739 for (i = 0; i < 8; i++) {
3740 u32 *p = la_buf + i;
3741
3742 t4_write_reg(adap, A_ULP_RX_LA_CTL, i);
3743 j = t4_read_reg(adap, A_ULP_RX_LA_WRPTR);
3744 t4_write_reg(adap, A_ULP_RX_LA_RDPTR, j);
3745 for (j = 0; j < ULPRX_LA_SIZE; j++, p += 8)
3746 *p = t4_read_reg(adap, A_ULP_RX_LA_RDDATA);
3747 }
3748 }
3749
3750 /**
3751 * fwcaps16_to_caps32 - convert 16-bit Port Capabilities to 32-bits
3752 * @caps16: a 16-bit Port Capabilities value
3753 *
3754 * Returns the equivalent 32-bit Port Capabilities value.
3755 */
fwcaps16_to_caps32(uint16_t caps16)3756 static uint32_t fwcaps16_to_caps32(uint16_t caps16)
3757 {
3758 uint32_t caps32 = 0;
3759
3760 #define CAP16_TO_CAP32(__cap) \
3761 do { \
3762 if (caps16 & FW_PORT_CAP_##__cap) \
3763 caps32 |= FW_PORT_CAP32_##__cap; \
3764 } while (0)
3765
3766 CAP16_TO_CAP32(SPEED_100M);
3767 CAP16_TO_CAP32(SPEED_1G);
3768 CAP16_TO_CAP32(SPEED_25G);
3769 CAP16_TO_CAP32(SPEED_10G);
3770 CAP16_TO_CAP32(SPEED_40G);
3771 CAP16_TO_CAP32(SPEED_100G);
3772 CAP16_TO_CAP32(FC_RX);
3773 CAP16_TO_CAP32(FC_TX);
3774 CAP16_TO_CAP32(ANEG);
3775 CAP16_TO_CAP32(FORCE_PAUSE);
3776 CAP16_TO_CAP32(MDIAUTO);
3777 CAP16_TO_CAP32(MDISTRAIGHT);
3778 CAP16_TO_CAP32(FEC_RS);
3779 CAP16_TO_CAP32(FEC_BASER_RS);
3780 CAP16_TO_CAP32(802_3_PAUSE);
3781 CAP16_TO_CAP32(802_3_ASM_DIR);
3782
3783 #undef CAP16_TO_CAP32
3784
3785 return caps32;
3786 }
3787
3788 /**
3789 * fwcaps32_to_caps16 - convert 32-bit Port Capabilities to 16-bits
3790 * @caps32: a 32-bit Port Capabilities value
3791 *
3792 * Returns the equivalent 16-bit Port Capabilities value. Note that
3793 * not all 32-bit Port Capabilities can be represented in the 16-bit
3794 * Port Capabilities and some fields/values may not make it.
3795 */
fwcaps32_to_caps16(uint32_t caps32)3796 static uint16_t fwcaps32_to_caps16(uint32_t caps32)
3797 {
3798 uint16_t caps16 = 0;
3799
3800 #define CAP32_TO_CAP16(__cap) \
3801 do { \
3802 if (caps32 & FW_PORT_CAP32_##__cap) \
3803 caps16 |= FW_PORT_CAP_##__cap; \
3804 } while (0)
3805
3806 CAP32_TO_CAP16(SPEED_100M);
3807 CAP32_TO_CAP16(SPEED_1G);
3808 CAP32_TO_CAP16(SPEED_10G);
3809 CAP32_TO_CAP16(SPEED_25G);
3810 CAP32_TO_CAP16(SPEED_40G);
3811 CAP32_TO_CAP16(SPEED_100G);
3812 CAP32_TO_CAP16(FC_RX);
3813 CAP32_TO_CAP16(FC_TX);
3814 CAP32_TO_CAP16(802_3_PAUSE);
3815 CAP32_TO_CAP16(802_3_ASM_DIR);
3816 CAP32_TO_CAP16(ANEG);
3817 CAP32_TO_CAP16(FORCE_PAUSE);
3818 CAP32_TO_CAP16(MDIAUTO);
3819 CAP32_TO_CAP16(MDISTRAIGHT);
3820 CAP32_TO_CAP16(FEC_RS);
3821 CAP32_TO_CAP16(FEC_BASER_RS);
3822
3823 #undef CAP32_TO_CAP16
3824
3825 return caps16;
3826 }
3827
fwcap_to_fec(uint32_t caps,bool unset_means_none)3828 static int8_t fwcap_to_fec(uint32_t caps, bool unset_means_none)
3829 {
3830 int8_t fec = 0;
3831
3832 if ((caps & V_FW_PORT_CAP32_FEC(M_FW_PORT_CAP32_FEC)) == 0)
3833 return (unset_means_none ? FEC_NONE : 0);
3834
3835 if (caps & FW_PORT_CAP32_FEC_RS)
3836 fec |= FEC_RS;
3837 if (caps & FW_PORT_CAP32_FEC_BASER_RS)
3838 fec |= FEC_BASER_RS;
3839 if (caps & FW_PORT_CAP32_FEC_NO_FEC)
3840 fec |= FEC_NONE;
3841
3842 return (fec);
3843 }
3844
3845 /*
3846 * Note that 0 is not translated to NO_FEC.
3847 */
fec_to_fwcap(int8_t fec)3848 static uint32_t fec_to_fwcap(int8_t fec)
3849 {
3850 uint32_t caps = 0;
3851
3852 /* Only real FECs allowed. */
3853 MPASS((fec & ~M_FW_PORT_CAP32_FEC) == 0);
3854
3855 if (fec & FEC_RS)
3856 caps |= FW_PORT_CAP32_FEC_RS;
3857 if (fec & FEC_BASER_RS)
3858 caps |= FW_PORT_CAP32_FEC_BASER_RS;
3859 if (fec & FEC_NONE)
3860 caps |= FW_PORT_CAP32_FEC_NO_FEC;
3861
3862 return (caps);
3863 }
3864
3865 /**
3866 * t4_link_l1cfg - apply link configuration to MAC/PHY
3867 * @phy: the PHY to setup
3868 * @mac: the MAC to setup
3869 * @lc: the requested link configuration
3870 *
3871 * Set up a port's MAC and PHY according to a desired link configuration.
3872 * - If the PHY can auto-negotiate first decide what to advertise, then
3873 * enable/disable auto-negotiation as desired, and reset.
3874 * - If the PHY does not auto-negotiate just reset it.
3875 * - If auto-negotiation is off set the MAC to the proper speed/duplex/FC,
3876 * otherwise do it later based on the outcome of auto-negotiation.
3877 */
t4_link_l1cfg(struct adapter * adap,unsigned int mbox,unsigned int port,struct link_config * lc)3878 int t4_link_l1cfg(struct adapter *adap, unsigned int mbox, unsigned int port,
3879 struct link_config *lc)
3880 {
3881 struct fw_port_cmd c;
3882 unsigned int mdi = V_FW_PORT_CAP32_MDI(FW_PORT_CAP32_MDI_AUTO);
3883 unsigned int aneg, fc, fec, speed, rcap;
3884
3885 fc = 0;
3886 if (lc->requested_fc & PAUSE_RX)
3887 fc |= FW_PORT_CAP32_FC_RX;
3888 if (lc->requested_fc & PAUSE_TX)
3889 fc |= FW_PORT_CAP32_FC_TX;
3890 if (!(lc->requested_fc & PAUSE_AUTONEG))
3891 fc |= FW_PORT_CAP32_FORCE_PAUSE;
3892
3893 if (lc->requested_aneg == AUTONEG_DISABLE)
3894 aneg = 0;
3895 else if (lc->requested_aneg == AUTONEG_ENABLE)
3896 aneg = FW_PORT_CAP32_ANEG;
3897 else
3898 aneg = lc->pcaps & FW_PORT_CAP32_ANEG;
3899
3900 if (aneg) {
3901 speed = lc->pcaps &
3902 V_FW_PORT_CAP32_SPEED(M_FW_PORT_CAP32_SPEED);
3903 } else if (lc->requested_speed != 0)
3904 speed = speed_to_fwcap(lc->requested_speed);
3905 else
3906 speed = fwcap_top_speed(lc->pcaps);
3907
3908 fec = 0;
3909 if (fec_supported(speed)) {
3910 int force_fec;
3911
3912 if (lc->pcaps & FW_PORT_CAP32_FORCE_FEC)
3913 force_fec = lc->force_fec;
3914 else
3915 force_fec = 0;
3916
3917 if (lc->requested_fec == FEC_AUTO) {
3918 if (force_fec > 0) {
3919 /*
3920 * Must use FORCE_FEC even though requested FEC
3921 * is AUTO. Set all the FEC bits valid for the
3922 * speed and let the firmware pick one.
3923 */
3924 fec |= FW_PORT_CAP32_FORCE_FEC;
3925 if (speed & FW_PORT_CAP32_SPEED_100G) {
3926 fec |= FW_PORT_CAP32_FEC_RS;
3927 fec |= FW_PORT_CAP32_FEC_NO_FEC;
3928 } else if (speed & FW_PORT_CAP32_SPEED_50G) {
3929 fec |= FW_PORT_CAP32_FEC_BASER_RS;
3930 fec |= FW_PORT_CAP32_FEC_NO_FEC;
3931 } else {
3932 fec |= FW_PORT_CAP32_FEC_RS;
3933 fec |= FW_PORT_CAP32_FEC_BASER_RS;
3934 fec |= FW_PORT_CAP32_FEC_NO_FEC;
3935 }
3936 } else {
3937 /*
3938 * Set only 1b. Old firmwares can't deal with
3939 * multiple bits and new firmwares are free to
3940 * ignore this and try whatever FECs they want
3941 * because we aren't setting FORCE_FEC here.
3942 */
3943 fec |= fec_to_fwcap(lc->fec_hint);
3944 MPASS(powerof2(fec));
3945
3946 /*
3947 * Override the hint if the FEC is not valid for
3948 * the potential top speed. Request the best
3949 * FEC at that speed instead.
3950 */
3951 if (speed & FW_PORT_CAP32_SPEED_100G) {
3952 if (fec == FW_PORT_CAP32_FEC_BASER_RS)
3953 fec = FW_PORT_CAP32_FEC_RS;
3954 } else if (speed & FW_PORT_CAP32_SPEED_50G) {
3955 if (fec == FW_PORT_CAP32_FEC_RS)
3956 fec = FW_PORT_CAP32_FEC_BASER_RS;
3957 }
3958 }
3959 } else {
3960 /*
3961 * User has explicitly requested some FEC(s). Set
3962 * FORCE_FEC unless prohibited from using it.
3963 */
3964 if (force_fec != 0)
3965 fec |= FW_PORT_CAP32_FORCE_FEC;
3966 fec |= fec_to_fwcap(lc->requested_fec &
3967 M_FW_PORT_CAP32_FEC);
3968 if (lc->requested_fec & FEC_MODULE)
3969 fec |= fec_to_fwcap(lc->fec_hint);
3970 }
3971
3972 /*
3973 * This is for compatibility with old firmwares. The original
3974 * way to request NO_FEC was to not set any of the FEC bits. New
3975 * firmwares understand this too.
3976 */
3977 if (fec == FW_PORT_CAP32_FEC_NO_FEC)
3978 fec = 0;
3979 }
3980
3981 /* Force AN on for BT cards. */
3982 if (isset(&adap->bt_map, port))
3983 aneg = lc->pcaps & FW_PORT_CAP32_ANEG;
3984
3985 rcap = aneg | speed | fc | fec;
3986 if ((rcap | lc->pcaps) != lc->pcaps) {
3987 #ifdef INVARIANTS
3988 CH_WARN(adap, "rcap 0x%08x, pcap 0x%08x, removed 0x%x\n", rcap,
3989 lc->pcaps, rcap & (rcap ^ lc->pcaps));
3990 #endif
3991 rcap &= lc->pcaps;
3992 }
3993 rcap |= mdi;
3994
3995 memset(&c, 0, sizeof(c));
3996 c.op_to_portid = cpu_to_be32(V_FW_CMD_OP(FW_PORT_CMD) |
3997 F_FW_CMD_REQUEST | F_FW_CMD_EXEC |
3998 V_FW_PORT_CMD_PORTID(port));
3999 if (adap->params.port_caps32) {
4000 c.action_to_len16 =
4001 cpu_to_be32(V_FW_PORT_CMD_ACTION(FW_PORT_ACTION_L1_CFG32) |
4002 FW_LEN16(c));
4003 c.u.l1cfg32.rcap32 = cpu_to_be32(rcap);
4004 } else {
4005 c.action_to_len16 =
4006 cpu_to_be32(V_FW_PORT_CMD_ACTION(FW_PORT_ACTION_L1_CFG) |
4007 FW_LEN16(c));
4008 c.u.l1cfg.rcap = cpu_to_be32(fwcaps32_to_caps16(rcap));
4009 }
4010
4011 lc->requested_caps = rcap;
4012 return t4_wr_mbox_ns(adap, mbox, &c, sizeof(c), NULL);
4013 }
4014
4015 /**
4016 * t4_restart_aneg - restart autonegotiation
4017 * @adap: the adapter
4018 * @mbox: mbox to use for the FW command
4019 * @port: the port id
4020 *
4021 * Restarts autonegotiation for the selected port.
4022 */
t4_restart_aneg(struct adapter * adap,unsigned int mbox,unsigned int port)4023 int t4_restart_aneg(struct adapter *adap, unsigned int mbox, unsigned int port)
4024 {
4025 struct fw_port_cmd c;
4026
4027 memset(&c, 0, sizeof(c));
4028 c.op_to_portid = cpu_to_be32(V_FW_CMD_OP(FW_PORT_CMD) |
4029 F_FW_CMD_REQUEST | F_FW_CMD_EXEC |
4030 V_FW_PORT_CMD_PORTID(port));
4031 c.action_to_len16 =
4032 cpu_to_be32(V_FW_PORT_CMD_ACTION(FW_PORT_ACTION_L1_CFG) |
4033 FW_LEN16(c));
4034 c.u.l1cfg.rcap = cpu_to_be32(FW_PORT_CAP_ANEG);
4035 return t4_wr_mbox(adap, mbox, &c, sizeof(c), NULL);
4036 }
4037
4038 struct intr_details {
4039 u32 mask;
4040 const char *msg;
4041 };
4042
4043 struct intr_action {
4044 u32 mask;
4045 int arg;
4046 bool (*action)(struct adapter *, int, bool);
4047 };
4048
4049 #define NONFATAL_IF_DISABLED 1
4050 struct intr_info {
4051 const char *name; /* name of the INT_CAUSE register */
4052 int cause_reg; /* INT_CAUSE register */
4053 int enable_reg; /* INT_ENABLE register */
4054 u32 fatal; /* bits that are fatal */
4055 int flags; /* hints */
4056 const struct intr_details *details;
4057 const struct intr_action *actions;
4058 };
4059
4060 static inline char
intr_alert_char(u32 cause,u32 enable,u32 fatal)4061 intr_alert_char(u32 cause, u32 enable, u32 fatal)
4062 {
4063
4064 if (cause & fatal)
4065 return ('!');
4066 if (cause & enable)
4067 return ('*');
4068 return ('-');
4069 }
4070
4071 static void
t4_show_intr_info(struct adapter * adap,const struct intr_info * ii,u32 cause)4072 t4_show_intr_info(struct adapter *adap, const struct intr_info *ii, u32 cause)
4073 {
4074 u32 enable, fatal, leftover;
4075 const struct intr_details *details;
4076 char alert;
4077
4078 enable = t4_read_reg(adap, ii->enable_reg);
4079 if (ii->flags & NONFATAL_IF_DISABLED)
4080 fatal = ii->fatal & t4_read_reg(adap, ii->enable_reg);
4081 else
4082 fatal = ii->fatal;
4083 alert = intr_alert_char(cause, enable, fatal);
4084 CH_ALERT(adap, "%c %s 0x%x = 0x%08x, E 0x%08x, F 0x%08x\n",
4085 alert, ii->name, ii->cause_reg, cause, enable, fatal);
4086
4087 leftover = cause;
4088 for (details = ii->details; details && details->mask != 0; details++) {
4089 u32 msgbits = details->mask & cause;
4090 if (msgbits == 0)
4091 continue;
4092 alert = intr_alert_char(msgbits, enable, ii->fatal);
4093 CH_ALERT(adap, " %c [0x%08x] %s\n", alert, msgbits,
4094 details->msg);
4095 leftover &= ~msgbits;
4096 }
4097 if (leftover != 0 && leftover != cause)
4098 CH_ALERT(adap, " ? [0x%08x]\n", leftover);
4099 }
4100
4101 /*
4102 * Returns true for fatal error.
4103 */
4104 static bool
t4_handle_intr(struct adapter * adap,const struct intr_info * ii,u32 additional_cause,bool verbose)4105 t4_handle_intr(struct adapter *adap, const struct intr_info *ii,
4106 u32 additional_cause, bool verbose)
4107 {
4108 u32 cause, fatal;
4109 bool rc;
4110 const struct intr_action *action;
4111
4112 /*
4113 * Read and display cause. Note that the top level PL_INT_CAUSE is a
4114 * bit special and we need to completely ignore the bits that are not in
4115 * PL_INT_ENABLE.
4116 */
4117 cause = t4_read_reg(adap, ii->cause_reg);
4118 if (ii->cause_reg == A_PL_INT_CAUSE)
4119 cause &= t4_read_reg(adap, ii->enable_reg);
4120 if (verbose || cause != 0)
4121 t4_show_intr_info(adap, ii, cause);
4122 fatal = cause & ii->fatal;
4123 if (fatal != 0 && ii->flags & NONFATAL_IF_DISABLED)
4124 fatal &= t4_read_reg(adap, ii->enable_reg);
4125 cause |= additional_cause;
4126 if (cause == 0)
4127 return (false);
4128
4129 rc = fatal != 0;
4130 for (action = ii->actions; action && action->mask != 0; action++) {
4131 if (!(action->mask & cause))
4132 continue;
4133 rc |= (action->action)(adap, action->arg, verbose);
4134 }
4135
4136 /* clear */
4137 t4_write_reg(adap, ii->cause_reg, cause);
4138 (void)t4_read_reg(adap, ii->cause_reg);
4139
4140 return (rc);
4141 }
4142
4143 /*
4144 * Interrupt handler for the PCIE module.
4145 */
pcie_intr_handler(struct adapter * adap,int arg,bool verbose)4146 static bool pcie_intr_handler(struct adapter *adap, int arg, bool verbose)
4147 {
4148 static const struct intr_details sysbus_intr_details[] = {
4149 { F_RNPP, "RXNP array parity error" },
4150 { F_RPCP, "RXPC array parity error" },
4151 { F_RCIP, "RXCIF array parity error" },
4152 { F_RCCP, "Rx completions control array parity error" },
4153 { F_RFTP, "RXFT array parity error" },
4154 { 0 }
4155 };
4156 static const struct intr_info sysbus_intr_info = {
4157 .name = "PCIE_CORE_UTL_SYSTEM_BUS_AGENT_STATUS",
4158 .cause_reg = A_PCIE_CORE_UTL_SYSTEM_BUS_AGENT_STATUS,
4159 .enable_reg = A_PCIE_CORE_UTL_SYSTEM_BUS_AGENT_INTERRUPT_ENABLE,
4160 .fatal = F_RFTP | F_RCCP | F_RCIP | F_RPCP | F_RNPP,
4161 .flags = 0,
4162 .details = sysbus_intr_details,
4163 .actions = NULL,
4164 };
4165 static const struct intr_details pcie_port_intr_details[] = {
4166 { F_TPCP, "TXPC array parity error" },
4167 { F_TNPP, "TXNP array parity error" },
4168 { F_TFTP, "TXFT array parity error" },
4169 { F_TCAP, "TXCA array parity error" },
4170 { F_TCIP, "TXCIF array parity error" },
4171 { F_RCAP, "RXCA array parity error" },
4172 { F_OTDD, "outbound request TLP discarded" },
4173 { F_RDPE, "Rx data parity error" },
4174 { F_TDUE, "Tx uncorrectable data error" },
4175 { 0 }
4176 };
4177 static const struct intr_info pcie_port_intr_info = {
4178 .name = "PCIE_CORE_UTL_PCI_EXPRESS_PORT_STATUS",
4179 .cause_reg = A_PCIE_CORE_UTL_PCI_EXPRESS_PORT_STATUS,
4180 .enable_reg = A_PCIE_CORE_UTL_PCI_EXPRESS_PORT_INTERRUPT_ENABLE,
4181 .fatal = F_TPCP | F_TNPP | F_TFTP | F_TCAP | F_TCIP | F_RCAP |
4182 F_OTDD | F_RDPE | F_TDUE,
4183 .flags = 0,
4184 .details = pcie_port_intr_details,
4185 .actions = NULL,
4186 };
4187 static const struct intr_details pcie_intr_details[] = {
4188 { F_MSIADDRLPERR, "MSI AddrL parity error" },
4189 { F_MSIADDRHPERR, "MSI AddrH parity error" },
4190 { F_MSIDATAPERR, "MSI data parity error" },
4191 { F_MSIXADDRLPERR, "MSI-X AddrL parity error" },
4192 { F_MSIXADDRHPERR, "MSI-X AddrH parity error" },
4193 { F_MSIXDATAPERR, "MSI-X data parity error" },
4194 { F_MSIXDIPERR, "MSI-X DI parity error" },
4195 { F_PIOCPLPERR, "PCIe PIO completion FIFO parity error" },
4196 { F_PIOREQPERR, "PCIe PIO request FIFO parity error" },
4197 { F_TARTAGPERR, "PCIe target tag FIFO parity error" },
4198 { F_CCNTPERR, "PCIe CMD channel count parity error" },
4199 { F_CREQPERR, "PCIe CMD channel request parity error" },
4200 { F_CRSPPERR, "PCIe CMD channel response parity error" },
4201 { F_DCNTPERR, "PCIe DMA channel count parity error" },
4202 { F_DREQPERR, "PCIe DMA channel request parity error" },
4203 { F_DRSPPERR, "PCIe DMA channel response parity error" },
4204 { F_HCNTPERR, "PCIe HMA channel count parity error" },
4205 { F_HREQPERR, "PCIe HMA channel request parity error" },
4206 { F_HRSPPERR, "PCIe HMA channel response parity error" },
4207 { F_CFGSNPPERR, "PCIe config snoop FIFO parity error" },
4208 { F_FIDPERR, "PCIe FID parity error" },
4209 { F_INTXCLRPERR, "PCIe INTx clear parity error" },
4210 { F_MATAGPERR, "PCIe MA tag parity error" },
4211 { F_PIOTAGPERR, "PCIe PIO tag parity error" },
4212 { F_RXCPLPERR, "PCIe Rx completion parity error" },
4213 { F_RXWRPERR, "PCIe Rx write parity error" },
4214 { F_RPLPERR, "PCIe replay buffer parity error" },
4215 { F_PCIESINT, "PCIe core secondary fault" },
4216 { F_PCIEPINT, "PCIe core primary fault" },
4217 { F_UNXSPLCPLERR, "PCIe unexpected split completion error" },
4218 { 0 }
4219 };
4220 static const struct intr_details t5_pcie_intr_details[] = {
4221 { F_IPGRPPERR, "Parity errors observed by IP" },
4222 { F_NONFATALERR, "PCIe non-fatal error" },
4223 { F_READRSPERR, "Outbound read error" },
4224 { F_TRGT1GRPPERR, "PCIe TRGT1 group FIFOs parity error" },
4225 { F_IPSOTPERR, "PCIe IP SOT buffer SRAM parity error" },
4226 { F_IPRETRYPERR, "PCIe IP replay buffer parity error" },
4227 { F_IPRXDATAGRPPERR, "PCIe IP Rx data group SRAMs parity error" },
4228 { F_IPRXHDRGRPPERR, "PCIe IP Rx header group SRAMs parity error" },
4229 { F_PIOTAGQPERR, "PIO tag queue FIFO parity error" },
4230 { F_MAGRPPERR, "MA group FIFO parity error" },
4231 { F_VFIDPERR, "VFID SRAM parity error" },
4232 { F_FIDPERR, "FID SRAM parity error" },
4233 { F_CFGSNPPERR, "config snoop FIFO parity error" },
4234 { F_HRSPPERR, "HMA channel response data SRAM parity error" },
4235 { F_HREQRDPERR, "HMA channel read request SRAM parity error" },
4236 { F_HREQWRPERR, "HMA channel write request SRAM parity error" },
4237 { F_DRSPPERR, "DMA channel response data SRAM parity error" },
4238 { F_DREQRDPERR, "DMA channel write request SRAM parity error" },
4239 { F_CRSPPERR, "CMD channel response data SRAM parity error" },
4240 { F_CREQRDPERR, "CMD channel read request SRAM parity error" },
4241 { F_MSTTAGQPERR, "PCIe master tag queue SRAM parity error" },
4242 { F_TGTTAGQPERR, "PCIe target tag queue FIFO parity error" },
4243 { F_PIOREQGRPPERR, "PIO request group FIFOs parity error" },
4244 { F_PIOCPLGRPPERR, "PIO completion group FIFOs parity error" },
4245 { F_MSIXDIPERR, "MSI-X DI SRAM parity error" },
4246 { F_MSIXDATAPERR, "MSI-X data SRAM parity error" },
4247 { F_MSIXADDRHPERR, "MSI-X AddrH SRAM parity error" },
4248 { F_MSIXADDRLPERR, "MSI-X AddrL SRAM parity error" },
4249 { F_MSIXSTIPERR, "MSI-X STI SRAM parity error" },
4250 { F_MSTTIMEOUTPERR, "Master timeout FIFO parity error" },
4251 { F_MSTGRPPERR, "Master response read queue SRAM parity error" },
4252 { 0 }
4253 };
4254 struct intr_info pcie_intr_info = {
4255 .name = "PCIE_INT_CAUSE",
4256 .cause_reg = A_PCIE_INT_CAUSE,
4257 .enable_reg = A_PCIE_INT_ENABLE,
4258 .fatal = 0xffffffff,
4259 .flags = NONFATAL_IF_DISABLED,
4260 .details = NULL,
4261 .actions = NULL,
4262 };
4263 bool fatal = false;
4264
4265 if (is_t4(adap)) {
4266 fatal |= t4_handle_intr(adap, &sysbus_intr_info, 0, verbose);
4267 fatal |= t4_handle_intr(adap, &pcie_port_intr_info, 0, verbose);
4268
4269 pcie_intr_info.details = pcie_intr_details;
4270 } else {
4271 pcie_intr_info.details = t5_pcie_intr_details;
4272 }
4273 fatal |= t4_handle_intr(adap, &pcie_intr_info, 0, verbose);
4274
4275 return (fatal);
4276 }
4277
4278 /*
4279 * TP interrupt handler.
4280 */
tp_intr_handler(struct adapter * adap,int arg,bool verbose)4281 static bool tp_intr_handler(struct adapter *adap, int arg, bool verbose)
4282 {
4283 static const struct intr_details tp_intr_details[] = {
4284 { 0x3fffffff, "TP parity error" },
4285 { F_FLMTXFLSTEMPTY, "TP out of Tx pages" },
4286 { 0 }
4287 };
4288 static const struct intr_info tp_intr_info = {
4289 .name = "TP_INT_CAUSE",
4290 .cause_reg = A_TP_INT_CAUSE,
4291 .enable_reg = A_TP_INT_ENABLE,
4292 .fatal = 0x7fffffff,
4293 .flags = NONFATAL_IF_DISABLED,
4294 .details = tp_intr_details,
4295 .actions = NULL,
4296 };
4297
4298 return (t4_handle_intr(adap, &tp_intr_info, 0, verbose));
4299 }
4300
4301 /*
4302 * SGE interrupt handler.
4303 */
sge_intr_handler(struct adapter * adap,int arg,bool verbose)4304 static bool sge_intr_handler(struct adapter *adap, int arg, bool verbose)
4305 {
4306 static const struct intr_info sge_int1_info = {
4307 .name = "SGE_INT_CAUSE1",
4308 .cause_reg = A_SGE_INT_CAUSE1,
4309 .enable_reg = A_SGE_INT_ENABLE1,
4310 .fatal = 0xffffffff,
4311 .flags = NONFATAL_IF_DISABLED,
4312 .details = NULL,
4313 .actions = NULL,
4314 };
4315 static const struct intr_info sge_int2_info = {
4316 .name = "SGE_INT_CAUSE2",
4317 .cause_reg = A_SGE_INT_CAUSE2,
4318 .enable_reg = A_SGE_INT_ENABLE2,
4319 .fatal = 0xffffffff,
4320 .flags = NONFATAL_IF_DISABLED,
4321 .details = NULL,
4322 .actions = NULL,
4323 };
4324 static const struct intr_details sge_int3_details[] = {
4325 { F_ERR_FLM_DBP,
4326 "DBP pointer delivery for invalid context or QID" },
4327 { F_ERR_FLM_IDMA1 | F_ERR_FLM_IDMA0,
4328 "Invalid QID or header request by IDMA" },
4329 { F_ERR_FLM_HINT, "FLM hint is for invalid context or QID" },
4330 { F_ERR_PCIE_ERROR3, "SGE PCIe error for DBP thread 3" },
4331 { F_ERR_PCIE_ERROR2, "SGE PCIe error for DBP thread 2" },
4332 { F_ERR_PCIE_ERROR1, "SGE PCIe error for DBP thread 1" },
4333 { F_ERR_PCIE_ERROR0, "SGE PCIe error for DBP thread 0" },
4334 { F_ERR_TIMER_ABOVE_MAX_QID,
4335 "SGE GTS with timer 0-5 for IQID > 1023" },
4336 { F_ERR_CPL_EXCEED_IQE_SIZE,
4337 "SGE received CPL exceeding IQE size" },
4338 { F_ERR_INVALID_CIDX_INC, "SGE GTS CIDX increment too large" },
4339 { F_ERR_ITP_TIME_PAUSED, "SGE ITP error" },
4340 { F_ERR_CPL_OPCODE_0, "SGE received 0-length CPL" },
4341 { F_ERR_DROPPED_DB, "SGE DB dropped" },
4342 { F_ERR_DATA_CPL_ON_HIGH_QID1 | F_ERR_DATA_CPL_ON_HIGH_QID0,
4343 "SGE IQID > 1023 received CPL for FL" },
4344 { F_ERR_BAD_DB_PIDX3 | F_ERR_BAD_DB_PIDX2 | F_ERR_BAD_DB_PIDX1 |
4345 F_ERR_BAD_DB_PIDX0, "SGE DBP pidx increment too large" },
4346 { F_ERR_ING_PCIE_CHAN, "SGE Ingress PCIe channel mismatch" },
4347 { F_ERR_ING_CTXT_PRIO,
4348 "Ingress context manager priority user error" },
4349 { F_ERR_EGR_CTXT_PRIO,
4350 "Egress context manager priority user error" },
4351 { F_DBFIFO_HP_INT, "High priority DB FIFO threshold reached" },
4352 { F_DBFIFO_LP_INT, "Low priority DB FIFO threshold reached" },
4353 { F_REG_ADDRESS_ERR, "Undefined SGE register accessed" },
4354 { F_INGRESS_SIZE_ERR, "SGE illegal ingress QID" },
4355 { F_EGRESS_SIZE_ERR, "SGE illegal egress QID" },
4356 { 0x0000000f, "SGE context access for invalid queue" },
4357 { 0 }
4358 };
4359 static const struct intr_details t6_sge_int3_details[] = {
4360 { F_ERR_FLM_DBP,
4361 "DBP pointer delivery for invalid context or QID" },
4362 { F_ERR_FLM_IDMA1 | F_ERR_FLM_IDMA0,
4363 "Invalid QID or header request by IDMA" },
4364 { F_ERR_FLM_HINT, "FLM hint is for invalid context or QID" },
4365 { F_ERR_PCIE_ERROR3, "SGE PCIe error for DBP thread 3" },
4366 { F_ERR_PCIE_ERROR2, "SGE PCIe error for DBP thread 2" },
4367 { F_ERR_PCIE_ERROR1, "SGE PCIe error for DBP thread 1" },
4368 { F_ERR_PCIE_ERROR0, "SGE PCIe error for DBP thread 0" },
4369 { F_ERR_TIMER_ABOVE_MAX_QID,
4370 "SGE GTS with timer 0-5 for IQID > 1023" },
4371 { F_ERR_CPL_EXCEED_IQE_SIZE,
4372 "SGE received CPL exceeding IQE size" },
4373 { F_ERR_INVALID_CIDX_INC, "SGE GTS CIDX increment too large" },
4374 { F_ERR_ITP_TIME_PAUSED, "SGE ITP error" },
4375 { F_ERR_CPL_OPCODE_0, "SGE received 0-length CPL" },
4376 { F_ERR_DROPPED_DB, "SGE DB dropped" },
4377 { F_ERR_DATA_CPL_ON_HIGH_QID1 | F_ERR_DATA_CPL_ON_HIGH_QID0,
4378 "SGE IQID > 1023 received CPL for FL" },
4379 { F_ERR_BAD_DB_PIDX3 | F_ERR_BAD_DB_PIDX2 | F_ERR_BAD_DB_PIDX1 |
4380 F_ERR_BAD_DB_PIDX0, "SGE DBP pidx increment too large" },
4381 { F_ERR_ING_PCIE_CHAN, "SGE Ingress PCIe channel mismatch" },
4382 { F_ERR_ING_CTXT_PRIO,
4383 "Ingress context manager priority user error" },
4384 { F_ERR_EGR_CTXT_PRIO,
4385 "Egress context manager priority user error" },
4386 { F_DBP_TBUF_FULL, "SGE DBP tbuf full" },
4387 { F_FATAL_WRE_LEN,
4388 "SGE WRE packet less than advertized length" },
4389 { F_REG_ADDRESS_ERR, "Undefined SGE register accessed" },
4390 { F_INGRESS_SIZE_ERR, "SGE illegal ingress QID" },
4391 { F_EGRESS_SIZE_ERR, "SGE illegal egress QID" },
4392 { 0x0000000f, "SGE context access for invalid queue" },
4393 { 0 }
4394 };
4395 struct intr_info sge_int3_info = {
4396 .name = "SGE_INT_CAUSE3",
4397 .cause_reg = A_SGE_INT_CAUSE3,
4398 .enable_reg = A_SGE_INT_ENABLE3,
4399 .fatal = F_ERR_CPL_EXCEED_IQE_SIZE,
4400 .flags = 0,
4401 .details = NULL,
4402 .actions = NULL,
4403 };
4404 static const struct intr_info sge_int4_info = {
4405 .name = "SGE_INT_CAUSE4",
4406 .cause_reg = A_SGE_INT_CAUSE4,
4407 .enable_reg = A_SGE_INT_ENABLE4,
4408 .fatal = 0,
4409 .flags = 0,
4410 .details = NULL,
4411 .actions = NULL,
4412 };
4413 static const struct intr_info sge_int5_info = {
4414 .name = "SGE_INT_CAUSE5",
4415 .cause_reg = A_SGE_INT_CAUSE5,
4416 .enable_reg = A_SGE_INT_ENABLE5,
4417 .fatal = 0xffffffff,
4418 .flags = NONFATAL_IF_DISABLED,
4419 .details = NULL,
4420 .actions = NULL,
4421 };
4422 static const struct intr_info sge_int6_info = {
4423 .name = "SGE_INT_CAUSE6",
4424 .cause_reg = A_SGE_INT_CAUSE6,
4425 .enable_reg = A_SGE_INT_ENABLE6,
4426 .fatal = 0,
4427 .flags = 0,
4428 .details = NULL,
4429 .actions = NULL,
4430 };
4431
4432 bool fatal;
4433 u32 v;
4434
4435 if (chip_id(adap) <= CHELSIO_T5) {
4436 sge_int3_info.details = sge_int3_details;
4437 } else {
4438 sge_int3_info.details = t6_sge_int3_details;
4439 }
4440
4441 fatal = false;
4442 fatal |= t4_handle_intr(adap, &sge_int1_info, 0, verbose);
4443 fatal |= t4_handle_intr(adap, &sge_int2_info, 0, verbose);
4444 fatal |= t4_handle_intr(adap, &sge_int3_info, 0, verbose);
4445 fatal |= t4_handle_intr(adap, &sge_int4_info, 0, verbose);
4446 if (chip_id(adap) >= CHELSIO_T5)
4447 fatal |= t4_handle_intr(adap, &sge_int5_info, 0, verbose);
4448 if (chip_id(adap) >= CHELSIO_T6)
4449 fatal |= t4_handle_intr(adap, &sge_int6_info, 0, verbose);
4450
4451 v = t4_read_reg(adap, A_SGE_ERROR_STATS);
4452 if (v & F_ERROR_QID_VALID) {
4453 CH_ERR(adap, "SGE error for QID %u\n", G_ERROR_QID(v));
4454 if (v & F_UNCAPTURED_ERROR)
4455 CH_ERR(adap, "SGE UNCAPTURED_ERROR set (clearing)\n");
4456 t4_write_reg(adap, A_SGE_ERROR_STATS,
4457 F_ERROR_QID_VALID | F_UNCAPTURED_ERROR);
4458 }
4459
4460 return (fatal);
4461 }
4462
4463 /*
4464 * CIM interrupt handler.
4465 */
cim_intr_handler(struct adapter * adap,int arg,bool verbose)4466 static bool cim_intr_handler(struct adapter *adap, int arg, bool verbose)
4467 {
4468 static const struct intr_details cim_host_intr_details[] = {
4469 /* T6+ */
4470 { F_PCIE2CIMINTFPARERR, "CIM IBQ PCIe interface parity error" },
4471
4472 /* T5+ */
4473 { F_MA_CIM_INTFPERR, "MA2CIM interface parity error" },
4474 { F_PLCIM_MSTRSPDATAPARERR,
4475 "PL2CIM master response data parity error" },
4476 { F_NCSI2CIMINTFPARERR, "CIM IBQ NC-SI interface parity error" },
4477 { F_SGE2CIMINTFPARERR, "CIM IBQ SGE interface parity error" },
4478 { F_ULP2CIMINTFPARERR, "CIM IBQ ULP_TX interface parity error" },
4479 { F_TP2CIMINTFPARERR, "CIM IBQ TP interface parity error" },
4480 { F_OBQSGERX1PARERR, "CIM OBQ SGE1_RX parity error" },
4481 { F_OBQSGERX0PARERR, "CIM OBQ SGE0_RX parity error" },
4482
4483 /* T4+ */
4484 { F_TIEQOUTPARERRINT, "CIM TIEQ outgoing FIFO parity error" },
4485 { F_TIEQINPARERRINT, "CIM TIEQ incoming FIFO parity error" },
4486 { F_MBHOSTPARERR, "CIM mailbox host read parity error" },
4487 { F_MBUPPARERR, "CIM mailbox uP parity error" },
4488 { F_IBQTP0PARERR, "CIM IBQ TP0 parity error" },
4489 { F_IBQTP1PARERR, "CIM IBQ TP1 parity error" },
4490 { F_IBQULPPARERR, "CIM IBQ ULP parity error" },
4491 { F_IBQSGELOPARERR, "CIM IBQ SGE_LO parity error" },
4492 { F_IBQSGEHIPARERR | F_IBQPCIEPARERR, /* same bit */
4493 "CIM IBQ PCIe/SGE_HI parity error" },
4494 { F_IBQNCSIPARERR, "CIM IBQ NC-SI parity error" },
4495 { F_OBQULP0PARERR, "CIM OBQ ULP0 parity error" },
4496 { F_OBQULP1PARERR, "CIM OBQ ULP1 parity error" },
4497 { F_OBQULP2PARERR, "CIM OBQ ULP2 parity error" },
4498 { F_OBQULP3PARERR, "CIM OBQ ULP3 parity error" },
4499 { F_OBQSGEPARERR, "CIM OBQ SGE parity error" },
4500 { F_OBQNCSIPARERR, "CIM OBQ NC-SI parity error" },
4501 { F_TIMER1INT, "CIM TIMER0 interrupt" },
4502 { F_TIMER0INT, "CIM TIMER0 interrupt" },
4503 { F_PREFDROPINT, "CIM control register prefetch drop" },
4504 { 0}
4505 };
4506 static const struct intr_info cim_host_intr_info = {
4507 .name = "CIM_HOST_INT_CAUSE",
4508 .cause_reg = A_CIM_HOST_INT_CAUSE,
4509 .enable_reg = A_CIM_HOST_INT_ENABLE,
4510 .fatal = 0x007fffe6,
4511 .flags = NONFATAL_IF_DISABLED,
4512 .details = cim_host_intr_details,
4513 .actions = NULL,
4514 };
4515 static const struct intr_details cim_host_upacc_intr_details[] = {
4516 { F_EEPROMWRINT, "CIM EEPROM came out of busy state" },
4517 { F_TIMEOUTMAINT, "CIM PIF MA timeout" },
4518 { F_TIMEOUTINT, "CIM PIF timeout" },
4519 { F_RSPOVRLOOKUPINT, "CIM response FIFO overwrite" },
4520 { F_REQOVRLOOKUPINT, "CIM request FIFO overwrite" },
4521 { F_BLKWRPLINT, "CIM block write to PL space" },
4522 { F_BLKRDPLINT, "CIM block read from PL space" },
4523 { F_SGLWRPLINT,
4524 "CIM single write to PL space with illegal BEs" },
4525 { F_SGLRDPLINT,
4526 "CIM single read from PL space with illegal BEs" },
4527 { F_BLKWRCTLINT, "CIM block write to CTL space" },
4528 { F_BLKRDCTLINT, "CIM block read from CTL space" },
4529 { F_SGLWRCTLINT,
4530 "CIM single write to CTL space with illegal BEs" },
4531 { F_SGLRDCTLINT,
4532 "CIM single read from CTL space with illegal BEs" },
4533 { F_BLKWREEPROMINT, "CIM block write to EEPROM space" },
4534 { F_BLKRDEEPROMINT, "CIM block read from EEPROM space" },
4535 { F_SGLWREEPROMINT,
4536 "CIM single write to EEPROM space with illegal BEs" },
4537 { F_SGLRDEEPROMINT,
4538 "CIM single read from EEPROM space with illegal BEs" },
4539 { F_BLKWRFLASHINT, "CIM block write to flash space" },
4540 { F_BLKRDFLASHINT, "CIM block read from flash space" },
4541 { F_SGLWRFLASHINT, "CIM single write to flash space" },
4542 { F_SGLRDFLASHINT,
4543 "CIM single read from flash space with illegal BEs" },
4544 { F_BLKWRBOOTINT, "CIM block write to boot space" },
4545 { F_BLKRDBOOTINT, "CIM block read from boot space" },
4546 { F_SGLWRBOOTINT, "CIM single write to boot space" },
4547 { F_SGLRDBOOTINT,
4548 "CIM single read from boot space with illegal BEs" },
4549 { F_ILLWRBEINT, "CIM illegal write BEs" },
4550 { F_ILLRDBEINT, "CIM illegal read BEs" },
4551 { F_ILLRDINT, "CIM illegal read" },
4552 { F_ILLWRINT, "CIM illegal write" },
4553 { F_ILLTRANSINT, "CIM illegal transaction" },
4554 { F_RSVDSPACEINT, "CIM reserved space access" },
4555 {0}
4556 };
4557 static const struct intr_info cim_host_upacc_intr_info = {
4558 .name = "CIM_HOST_UPACC_INT_CAUSE",
4559 .cause_reg = A_CIM_HOST_UPACC_INT_CAUSE,
4560 .enable_reg = A_CIM_HOST_UPACC_INT_ENABLE,
4561 .fatal = 0x3fffeeff,
4562 .flags = NONFATAL_IF_DISABLED,
4563 .details = cim_host_upacc_intr_details,
4564 .actions = NULL,
4565 };
4566 static const struct intr_info cim_pf_host_intr_info = {
4567 .name = "CIM_PF_HOST_INT_CAUSE",
4568 .cause_reg = MYPF_REG(A_CIM_PF_HOST_INT_CAUSE),
4569 .enable_reg = MYPF_REG(A_CIM_PF_HOST_INT_ENABLE),
4570 .fatal = 0,
4571 .flags = 0,
4572 .details = NULL,
4573 .actions = NULL,
4574 };
4575 u32 val, fw_err;
4576 bool fatal;
4577
4578 /*
4579 * When the Firmware detects an internal error which normally wouldn't
4580 * raise a Host Interrupt, it forces a CIM Timer0 interrupt in order
4581 * to make sure the Host sees the Firmware Crash. So if we have a
4582 * Timer0 interrupt and don't see a Firmware Crash, ignore the Timer0
4583 * interrupt.
4584 */
4585 fw_err = t4_read_reg(adap, A_PCIE_FW);
4586 val = t4_read_reg(adap, A_CIM_HOST_INT_CAUSE);
4587 if (val & F_TIMER0INT && (!(fw_err & F_PCIE_FW_ERR) ||
4588 G_PCIE_FW_EVAL(fw_err) != PCIE_FW_EVAL_CRASH)) {
4589 t4_write_reg(adap, A_CIM_HOST_INT_CAUSE, F_TIMER0INT);
4590 }
4591
4592 fatal = (fw_err & F_PCIE_FW_ERR) != 0;
4593 fatal |= t4_handle_intr(adap, &cim_host_intr_info, 0, verbose);
4594 fatal |= t4_handle_intr(adap, &cim_host_upacc_intr_info, 0, verbose);
4595 fatal |= t4_handle_intr(adap, &cim_pf_host_intr_info, 0, verbose);
4596 if (fatal)
4597 t4_os_cim_err(adap);
4598
4599 return (fatal);
4600 }
4601
4602 /*
4603 * ULP RX interrupt handler.
4604 */
ulprx_intr_handler(struct adapter * adap,int arg,bool verbose)4605 static bool ulprx_intr_handler(struct adapter *adap, int arg, bool verbose)
4606 {
4607 static const struct intr_details ulprx_intr_details[] = {
4608 /* T5+ */
4609 { F_SE_CNT_MISMATCH_1, "ULPRX SE count mismatch in channel 1" },
4610 { F_SE_CNT_MISMATCH_0, "ULPRX SE count mismatch in channel 0" },
4611
4612 /* T4+ */
4613 { F_CAUSE_CTX_1, "ULPRX channel 1 context error" },
4614 { F_CAUSE_CTX_0, "ULPRX channel 0 context error" },
4615 { 0x007fffff, "ULPRX parity error" },
4616 { 0 }
4617 };
4618 static const struct intr_info ulprx_intr_info = {
4619 .name = "ULP_RX_INT_CAUSE",
4620 .cause_reg = A_ULP_RX_INT_CAUSE,
4621 .enable_reg = A_ULP_RX_INT_ENABLE,
4622 .fatal = 0x07ffffff,
4623 .flags = NONFATAL_IF_DISABLED,
4624 .details = ulprx_intr_details,
4625 .actions = NULL,
4626 };
4627 static const struct intr_info ulprx_intr2_info = {
4628 .name = "ULP_RX_INT_CAUSE_2",
4629 .cause_reg = A_ULP_RX_INT_CAUSE_2,
4630 .enable_reg = A_ULP_RX_INT_ENABLE_2,
4631 .fatal = 0,
4632 .flags = 0,
4633 .details = NULL,
4634 .actions = NULL,
4635 };
4636 bool fatal = false;
4637
4638 fatal |= t4_handle_intr(adap, &ulprx_intr_info, 0, verbose);
4639 fatal |= t4_handle_intr(adap, &ulprx_intr2_info, 0, verbose);
4640
4641 return (fatal);
4642 }
4643
4644 /*
4645 * ULP TX interrupt handler.
4646 */
ulptx_intr_handler(struct adapter * adap,int arg,bool verbose)4647 static bool ulptx_intr_handler(struct adapter *adap, int arg, bool verbose)
4648 {
4649 static const struct intr_details ulptx_intr_details[] = {
4650 { F_PBL_BOUND_ERR_CH3, "ULPTX channel 3 PBL out of bounds" },
4651 { F_PBL_BOUND_ERR_CH2, "ULPTX channel 2 PBL out of bounds" },
4652 { F_PBL_BOUND_ERR_CH1, "ULPTX channel 1 PBL out of bounds" },
4653 { F_PBL_BOUND_ERR_CH0, "ULPTX channel 0 PBL out of bounds" },
4654 { 0x0fffffff, "ULPTX parity error" },
4655 { 0 }
4656 };
4657 static const struct intr_info ulptx_intr_info = {
4658 .name = "ULP_TX_INT_CAUSE",
4659 .cause_reg = A_ULP_TX_INT_CAUSE,
4660 .enable_reg = A_ULP_TX_INT_ENABLE,
4661 .fatal = 0x0fffffff,
4662 .flags = NONFATAL_IF_DISABLED,
4663 .details = ulptx_intr_details,
4664 .actions = NULL,
4665 };
4666 static const struct intr_info ulptx_intr2_info = {
4667 .name = "ULP_TX_INT_CAUSE_2",
4668 .cause_reg = A_ULP_TX_INT_CAUSE_2,
4669 .enable_reg = A_ULP_TX_INT_ENABLE_2,
4670 .fatal = 0xf0,
4671 .flags = NONFATAL_IF_DISABLED,
4672 .details = NULL,
4673 .actions = NULL,
4674 };
4675 bool fatal = false;
4676
4677 fatal |= t4_handle_intr(adap, &ulptx_intr_info, 0, verbose);
4678 fatal |= t4_handle_intr(adap, &ulptx_intr2_info, 0, verbose);
4679
4680 return (fatal);
4681 }
4682
pmtx_dump_dbg_stats(struct adapter * adap,int arg,bool verbose)4683 static bool pmtx_dump_dbg_stats(struct adapter *adap, int arg, bool verbose)
4684 {
4685 int i;
4686 u32 data[17];
4687
4688 t4_read_indirect(adap, A_PM_TX_DBG_CTRL, A_PM_TX_DBG_DATA, &data[0],
4689 ARRAY_SIZE(data), A_PM_TX_DBG_STAT0);
4690 for (i = 0; i < ARRAY_SIZE(data); i++) {
4691 CH_ALERT(adap, " - PM_TX_DBG_STAT%u (0x%x) = 0x%08x\n", i,
4692 A_PM_TX_DBG_STAT0 + i, data[i]);
4693 }
4694
4695 return (false);
4696 }
4697
4698 /*
4699 * PM TX interrupt handler.
4700 */
pmtx_intr_handler(struct adapter * adap,int arg,bool verbose)4701 static bool pmtx_intr_handler(struct adapter *adap, int arg, bool verbose)
4702 {
4703 static const struct intr_action pmtx_intr_actions[] = {
4704 { 0xffffffff, 0, pmtx_dump_dbg_stats },
4705 { 0 },
4706 };
4707 static const struct intr_details pmtx_intr_details[] = {
4708 { F_PCMD_LEN_OVFL0, "PMTX channel 0 pcmd too large" },
4709 { F_PCMD_LEN_OVFL1, "PMTX channel 1 pcmd too large" },
4710 { F_PCMD_LEN_OVFL2, "PMTX channel 2 pcmd too large" },
4711 { F_ZERO_C_CMD_ERROR, "PMTX 0-length pcmd" },
4712 { 0x0f000000, "PMTX icspi FIFO2X Rx framing error" },
4713 { 0x00f00000, "PMTX icspi FIFO Rx framing error" },
4714 { 0x000f0000, "PMTX icspi FIFO Tx framing error" },
4715 { 0x0000f000, "PMTX oespi FIFO Rx framing error" },
4716 { 0x00000f00, "PMTX oespi FIFO Tx framing error" },
4717 { 0x000000f0, "PMTX oespi FIFO2X Tx framing error" },
4718 { F_OESPI_PAR_ERROR, "PMTX oespi parity error" },
4719 { F_DB_OPTIONS_PAR_ERROR, "PMTX db_options parity error" },
4720 { F_ICSPI_PAR_ERROR, "PMTX icspi parity error" },
4721 { F_C_PCMD_PAR_ERROR, "PMTX c_pcmd parity error" },
4722 { 0 }
4723 };
4724 static const struct intr_info pmtx_intr_info = {
4725 .name = "PM_TX_INT_CAUSE",
4726 .cause_reg = A_PM_TX_INT_CAUSE,
4727 .enable_reg = A_PM_TX_INT_ENABLE,
4728 .fatal = 0xffffffff,
4729 .flags = 0,
4730 .details = pmtx_intr_details,
4731 .actions = pmtx_intr_actions,
4732 };
4733
4734 return (t4_handle_intr(adap, &pmtx_intr_info, 0, verbose));
4735 }
4736
4737 /*
4738 * PM RX interrupt handler.
4739 */
pmrx_intr_handler(struct adapter * adap,int arg,bool verbose)4740 static bool pmrx_intr_handler(struct adapter *adap, int arg, bool verbose)
4741 {
4742 static const struct intr_details pmrx_intr_details[] = {
4743 /* T6+ */
4744 { 0x18000000, "PMRX ospi overflow" },
4745 { F_MA_INTF_SDC_ERR, "PMRX MA interface SDC parity error" },
4746 { F_BUNDLE_LEN_PARERR, "PMRX bundle len FIFO parity error" },
4747 { F_BUNDLE_LEN_OVFL, "PMRX bundle len FIFO overflow" },
4748 { F_SDC_ERR, "PMRX SDC error" },
4749
4750 /* T4+ */
4751 { F_ZERO_E_CMD_ERROR, "PMRX 0-length pcmd" },
4752 { 0x003c0000, "PMRX iespi FIFO2X Rx framing error" },
4753 { 0x0003c000, "PMRX iespi Rx framing error" },
4754 { 0x00003c00, "PMRX iespi Tx framing error" },
4755 { 0x00000300, "PMRX ocspi Rx framing error" },
4756 { 0x000000c0, "PMRX ocspi Tx framing error" },
4757 { 0x00000030, "PMRX ocspi FIFO2X Tx framing error" },
4758 { F_OCSPI_PAR_ERROR, "PMRX ocspi parity error" },
4759 { F_DB_OPTIONS_PAR_ERROR, "PMRX db_options parity error" },
4760 { F_IESPI_PAR_ERROR, "PMRX iespi parity error" },
4761 { F_E_PCMD_PAR_ERROR, "PMRX e_pcmd parity error"},
4762 { 0 }
4763 };
4764 static const struct intr_info pmrx_intr_info = {
4765 .name = "PM_RX_INT_CAUSE",
4766 .cause_reg = A_PM_RX_INT_CAUSE,
4767 .enable_reg = A_PM_RX_INT_ENABLE,
4768 .fatal = 0x1fffffff,
4769 .flags = NONFATAL_IF_DISABLED,
4770 .details = pmrx_intr_details,
4771 .actions = NULL,
4772 };
4773
4774 return (t4_handle_intr(adap, &pmrx_intr_info, 0, verbose));
4775 }
4776
4777 /*
4778 * CPL switch interrupt handler.
4779 */
cplsw_intr_handler(struct adapter * adap,int arg,bool verbose)4780 static bool cplsw_intr_handler(struct adapter *adap, int arg, bool verbose)
4781 {
4782 static const struct intr_details cplsw_intr_details[] = {
4783 /* T5+ */
4784 { F_PERR_CPL_128TO128_1, "CPLSW 128TO128 FIFO1 parity error" },
4785 { F_PERR_CPL_128TO128_0, "CPLSW 128TO128 FIFO0 parity error" },
4786
4787 /* T4+ */
4788 { F_CIM_OP_MAP_PERR, "CPLSW CIM op_map parity error" },
4789 { F_CIM_OVFL_ERROR, "CPLSW CIM overflow" },
4790 { F_TP_FRAMING_ERROR, "CPLSW TP framing error" },
4791 { F_SGE_FRAMING_ERROR, "CPLSW SGE framing error" },
4792 { F_CIM_FRAMING_ERROR, "CPLSW CIM framing error" },
4793 { F_ZERO_SWITCH_ERROR, "CPLSW no-switch error" },
4794 { 0 }
4795 };
4796 static const struct intr_info cplsw_intr_info = {
4797 .name = "CPL_INTR_CAUSE",
4798 .cause_reg = A_CPL_INTR_CAUSE,
4799 .enable_reg = A_CPL_INTR_ENABLE,
4800 .fatal = 0xff,
4801 .flags = NONFATAL_IF_DISABLED,
4802 .details = cplsw_intr_details,
4803 .actions = NULL,
4804 };
4805
4806 return (t4_handle_intr(adap, &cplsw_intr_info, 0, verbose));
4807 }
4808
4809 #define T4_LE_FATAL_MASK (F_PARITYERR | F_UNKNOWNCMD | F_REQQPARERR)
4810 #define T5_LE_FATAL_MASK (T4_LE_FATAL_MASK | F_VFPARERR)
4811 #define T6_LE_PERRCRC_MASK (F_PIPELINEERR | F_CLIPTCAMACCFAIL | \
4812 F_SRVSRAMACCFAIL | F_CLCAMCRCPARERR | F_CLCAMINTPERR | F_SSRAMINTPERR | \
4813 F_SRVSRAMPERR | F_VFSRAMPERR | F_TCAMINTPERR | F_TCAMCRCERR | \
4814 F_HASHTBLMEMACCERR | F_MAIFWRINTPERR | F_HASHTBLMEMCRCERR)
4815 #define T6_LE_FATAL_MASK (T6_LE_PERRCRC_MASK | F_T6_UNKNOWNCMD | \
4816 F_TCAMACCFAIL | F_HASHTBLACCFAIL | F_CMDTIDERR | F_CMDPRSRINTERR | \
4817 F_TOTCNTERR | F_CLCAMFIFOERR | F_CLIPSUBERR)
4818
4819 /*
4820 * LE interrupt handler.
4821 */
le_intr_handler(struct adapter * adap,int arg,bool verbose)4822 static bool le_intr_handler(struct adapter *adap, int arg, bool verbose)
4823 {
4824 static const struct intr_details le_intr_details[] = {
4825 { F_REQQPARERR, "LE request queue parity error" },
4826 { F_UNKNOWNCMD, "LE unknown command" },
4827 { F_ACTRGNFULL, "LE active region full" },
4828 { F_PARITYERR, "LE parity error" },
4829 { F_LIPMISS, "LE LIP miss" },
4830 { F_LIP0, "LE 0 LIP error" },
4831 { 0 }
4832 };
4833 static const struct intr_details t6_le_intr_details[] = {
4834 { F_CLIPSUBERR, "LE CLIP CAM reverse substitution error" },
4835 { F_CLCAMFIFOERR, "LE CLIP CAM internal FIFO error" },
4836 { F_CTCAMINVLDENT, "Invalid IPv6 CLIP TCAM entry" },
4837 { F_TCAMINVLDENT, "Invalid IPv6 TCAM entry" },
4838 { F_TOTCNTERR, "LE total active < TCAM count" },
4839 { F_CMDPRSRINTERR, "LE internal error in parser" },
4840 { F_CMDTIDERR, "Incorrect tid in LE command" },
4841 { F_T6_ACTRGNFULL, "LE active region full" },
4842 { F_T6_ACTCNTIPV6TZERO, "LE IPv6 active open TCAM counter -ve" },
4843 { F_T6_ACTCNTIPV4TZERO, "LE IPv4 active open TCAM counter -ve" },
4844 { F_T6_ACTCNTIPV6ZERO, "LE IPv6 active open counter -ve" },
4845 { F_T6_ACTCNTIPV4ZERO, "LE IPv4 active open counter -ve" },
4846 { F_HASHTBLACCFAIL, "Hash table read error (proto conflict)" },
4847 { F_TCAMACCFAIL, "LE TCAM access failure" },
4848 { F_T6_UNKNOWNCMD, "LE unknown command" },
4849 { F_T6_LIP0, "LE found 0 LIP during CLIP substitution" },
4850 { F_T6_LIPMISS, "LE CLIP lookup miss" },
4851 { T6_LE_PERRCRC_MASK, "LE parity/CRC error" },
4852 { 0 }
4853 };
4854 struct intr_info le_intr_info = {
4855 .name = "LE_DB_INT_CAUSE",
4856 .cause_reg = A_LE_DB_INT_CAUSE,
4857 .enable_reg = A_LE_DB_INT_ENABLE,
4858 .fatal = 0,
4859 .flags = NONFATAL_IF_DISABLED,
4860 .details = NULL,
4861 .actions = NULL,
4862 };
4863
4864 if (chip_id(adap) <= CHELSIO_T5) {
4865 le_intr_info.details = le_intr_details;
4866 le_intr_info.fatal = T5_LE_FATAL_MASK;
4867 } else {
4868 le_intr_info.details = t6_le_intr_details;
4869 le_intr_info.fatal = T6_LE_FATAL_MASK;
4870 }
4871
4872 return (t4_handle_intr(adap, &le_intr_info, 0, verbose));
4873 }
4874
4875 /*
4876 * MPS interrupt handler.
4877 */
mps_intr_handler(struct adapter * adap,int arg,bool verbose)4878 static bool mps_intr_handler(struct adapter *adap, int arg, bool verbose)
4879 {
4880 static const struct intr_details mps_rx_perr_intr_details[] = {
4881 { 0xffffffff, "MPS Rx parity error" },
4882 { 0 }
4883 };
4884 static const struct intr_info mps_rx_perr_intr_info = {
4885 .name = "MPS_RX_PERR_INT_CAUSE",
4886 .cause_reg = A_MPS_RX_PERR_INT_CAUSE,
4887 .enable_reg = A_MPS_RX_PERR_INT_ENABLE,
4888 .fatal = 0xffffffff,
4889 .flags = NONFATAL_IF_DISABLED,
4890 .details = mps_rx_perr_intr_details,
4891 .actions = NULL,
4892 };
4893 static const struct intr_details mps_tx_intr_details[] = {
4894 { F_PORTERR, "MPS Tx destination port is disabled" },
4895 { F_FRMERR, "MPS Tx framing error" },
4896 { F_SECNTERR, "MPS Tx SOP/EOP error" },
4897 { F_BUBBLE, "MPS Tx underflow" },
4898 { V_TXDESCFIFO(M_TXDESCFIFO), "MPS Tx desc FIFO parity error" },
4899 { V_TXDATAFIFO(M_TXDATAFIFO), "MPS Tx data FIFO parity error" },
4900 { F_NCSIFIFO, "MPS Tx NC-SI FIFO parity error" },
4901 { V_TPFIFO(M_TPFIFO), "MPS Tx TP FIFO parity error" },
4902 { 0 }
4903 };
4904 static const struct intr_info mps_tx_intr_info = {
4905 .name = "MPS_TX_INT_CAUSE",
4906 .cause_reg = A_MPS_TX_INT_CAUSE,
4907 .enable_reg = A_MPS_TX_INT_ENABLE,
4908 .fatal = 0x1ffff,
4909 .flags = NONFATAL_IF_DISABLED,
4910 .details = mps_tx_intr_details,
4911 .actions = NULL,
4912 };
4913 static const struct intr_details mps_trc_intr_details[] = {
4914 { F_MISCPERR, "MPS TRC misc parity error" },
4915 { V_PKTFIFO(M_PKTFIFO), "MPS TRC packet FIFO parity error" },
4916 { V_FILTMEM(M_FILTMEM), "MPS TRC filter parity error" },
4917 { 0 }
4918 };
4919 static const struct intr_info mps_trc_intr_info = {
4920 .name = "MPS_TRC_INT_CAUSE",
4921 .cause_reg = A_MPS_TRC_INT_CAUSE,
4922 .enable_reg = A_MPS_TRC_INT_ENABLE,
4923 .fatal = F_MISCPERR | V_PKTFIFO(M_PKTFIFO) | V_FILTMEM(M_FILTMEM),
4924 .flags = 0,
4925 .details = mps_trc_intr_details,
4926 .actions = NULL,
4927 };
4928 static const struct intr_details mps_stat_sram_intr_details[] = {
4929 { 0xffffffff, "MPS statistics SRAM parity error" },
4930 { 0 }
4931 };
4932 static const struct intr_info mps_stat_sram_intr_info = {
4933 .name = "MPS_STAT_PERR_INT_CAUSE_SRAM",
4934 .cause_reg = A_MPS_STAT_PERR_INT_CAUSE_SRAM,
4935 .enable_reg = A_MPS_STAT_PERR_INT_ENABLE_SRAM,
4936 .fatal = 0x1fffffff,
4937 .flags = NONFATAL_IF_DISABLED,
4938 .details = mps_stat_sram_intr_details,
4939 .actions = NULL,
4940 };
4941 static const struct intr_details mps_stat_tx_intr_details[] = {
4942 { 0xffffff, "MPS statistics Tx FIFO parity error" },
4943 { 0 }
4944 };
4945 static const struct intr_info mps_stat_tx_intr_info = {
4946 .name = "MPS_STAT_PERR_INT_CAUSE_TX_FIFO",
4947 .cause_reg = A_MPS_STAT_PERR_INT_CAUSE_TX_FIFO,
4948 .enable_reg = A_MPS_STAT_PERR_INT_ENABLE_TX_FIFO,
4949 .fatal = 0xffffff,
4950 .flags = NONFATAL_IF_DISABLED,
4951 .details = mps_stat_tx_intr_details,
4952 .actions = NULL,
4953 };
4954 static const struct intr_details mps_stat_rx_intr_details[] = {
4955 { 0xffffff, "MPS statistics Rx FIFO parity error" },
4956 { 0 }
4957 };
4958 static const struct intr_info mps_stat_rx_intr_info = {
4959 .name = "MPS_STAT_PERR_INT_CAUSE_RX_FIFO",
4960 .cause_reg = A_MPS_STAT_PERR_INT_CAUSE_RX_FIFO,
4961 .enable_reg = A_MPS_STAT_PERR_INT_ENABLE_RX_FIFO,
4962 .fatal = 0xffffff,
4963 .flags = 0,
4964 .details = mps_stat_rx_intr_details,
4965 .actions = NULL,
4966 };
4967 static const struct intr_details mps_cls_intr_details[] = {
4968 { F_HASHSRAM, "MPS hash SRAM parity error" },
4969 { F_MATCHTCAM, "MPS match TCAM parity error" },
4970 { F_MATCHSRAM, "MPS match SRAM parity error" },
4971 { 0 }
4972 };
4973 static const struct intr_info mps_cls_intr_info = {
4974 .name = "MPS_CLS_INT_CAUSE",
4975 .cause_reg = A_MPS_CLS_INT_CAUSE,
4976 .enable_reg = A_MPS_CLS_INT_ENABLE,
4977 .fatal = F_MATCHSRAM | F_MATCHTCAM | F_HASHSRAM,
4978 .flags = 0,
4979 .details = mps_cls_intr_details,
4980 .actions = NULL,
4981 };
4982 static const struct intr_details mps_stat_sram1_intr_details[] = {
4983 { 0xff, "MPS statistics SRAM1 parity error" },
4984 { 0 }
4985 };
4986 static const struct intr_info mps_stat_sram1_intr_info = {
4987 .name = "MPS_STAT_PERR_INT_CAUSE_SRAM1",
4988 .cause_reg = A_MPS_STAT_PERR_INT_CAUSE_SRAM1,
4989 .enable_reg = A_MPS_STAT_PERR_INT_ENABLE_SRAM1,
4990 .fatal = 0xff,
4991 .flags = 0,
4992 .details = mps_stat_sram1_intr_details,
4993 .actions = NULL,
4994 };
4995
4996 bool fatal;
4997
4998 fatal = false;
4999 fatal |= t4_handle_intr(adap, &mps_rx_perr_intr_info, 0, verbose);
5000 fatal |= t4_handle_intr(adap, &mps_tx_intr_info, 0, verbose);
5001 fatal |= t4_handle_intr(adap, &mps_trc_intr_info, 0, verbose);
5002 fatal |= t4_handle_intr(adap, &mps_stat_sram_intr_info, 0, verbose);
5003 fatal |= t4_handle_intr(adap, &mps_stat_tx_intr_info, 0, verbose);
5004 fatal |= t4_handle_intr(adap, &mps_stat_rx_intr_info, 0, verbose);
5005 fatal |= t4_handle_intr(adap, &mps_cls_intr_info, 0, verbose);
5006 if (chip_id(adap) > CHELSIO_T4) {
5007 fatal |= t4_handle_intr(adap, &mps_stat_sram1_intr_info, 0,
5008 verbose);
5009 }
5010
5011 t4_write_reg(adap, A_MPS_INT_CAUSE, is_t4(adap) ? 0 : 0xffffffff);
5012 t4_read_reg(adap, A_MPS_INT_CAUSE); /* flush */
5013
5014 return (fatal);
5015
5016 }
5017
5018 /*
5019 * EDC/MC interrupt handler.
5020 */
mem_intr_handler(struct adapter * adap,int idx,bool verbose)5021 static bool mem_intr_handler(struct adapter *adap, int idx, bool verbose)
5022 {
5023 static const char name[4][5] = { "EDC0", "EDC1", "MC0", "MC1" };
5024 unsigned int count_reg, v;
5025 static const struct intr_details mem_intr_details[] = {
5026 { F_ECC_UE_INT_CAUSE, "Uncorrectable ECC data error(s)" },
5027 { F_ECC_CE_INT_CAUSE, "Correctable ECC data error(s)" },
5028 { F_PERR_INT_CAUSE, "FIFO parity error" },
5029 { 0 }
5030 };
5031 struct intr_info ii = {
5032 .fatal = F_PERR_INT_CAUSE | F_ECC_UE_INT_CAUSE,
5033 .details = mem_intr_details,
5034 .flags = 0,
5035 .actions = NULL,
5036 };
5037 bool fatal;
5038
5039 switch (idx) {
5040 case MEM_EDC0:
5041 ii.name = "EDC0_INT_CAUSE";
5042 ii.cause_reg = EDC_REG(A_EDC_INT_CAUSE, 0);
5043 ii.enable_reg = EDC_REG(A_EDC_INT_ENABLE, 0);
5044 count_reg = EDC_REG(A_EDC_ECC_STATUS, 0);
5045 break;
5046 case MEM_EDC1:
5047 ii.name = "EDC1_INT_CAUSE";
5048 ii.cause_reg = EDC_REG(A_EDC_INT_CAUSE, 1);
5049 ii.enable_reg = EDC_REG(A_EDC_INT_ENABLE, 1);
5050 count_reg = EDC_REG(A_EDC_ECC_STATUS, 1);
5051 break;
5052 case MEM_MC0:
5053 ii.name = "MC0_INT_CAUSE";
5054 if (is_t4(adap)) {
5055 ii.cause_reg = A_MC_INT_CAUSE;
5056 ii.enable_reg = A_MC_INT_ENABLE;
5057 count_reg = A_MC_ECC_STATUS;
5058 } else {
5059 ii.cause_reg = A_MC_P_INT_CAUSE;
5060 ii.enable_reg = A_MC_P_INT_ENABLE;
5061 count_reg = A_MC_P_ECC_STATUS;
5062 }
5063 break;
5064 case MEM_MC1:
5065 ii.name = "MC1_INT_CAUSE";
5066 ii.cause_reg = MC_REG(A_MC_P_INT_CAUSE, 1);
5067 ii.enable_reg = MC_REG(A_MC_P_INT_ENABLE, 1);
5068 count_reg = MC_REG(A_MC_P_ECC_STATUS, 1);
5069 break;
5070 }
5071
5072 fatal = t4_handle_intr(adap, &ii, 0, verbose);
5073
5074 v = t4_read_reg(adap, count_reg);
5075 if (v != 0) {
5076 if (G_ECC_UECNT(v) != 0) {
5077 CH_ALERT(adap,
5078 "%s: %u uncorrectable ECC data error(s)\n",
5079 name[idx], G_ECC_UECNT(v));
5080 }
5081 if (G_ECC_CECNT(v) != 0) {
5082 if (idx <= MEM_EDC1)
5083 t4_edc_err_read(adap, idx);
5084 CH_WARN_RATELIMIT(adap,
5085 "%s: %u correctable ECC data error(s)\n",
5086 name[idx], G_ECC_CECNT(v));
5087 }
5088 t4_write_reg(adap, count_reg, 0xffffffff);
5089 }
5090
5091 return (fatal);
5092 }
5093
ma_wrap_status(struct adapter * adap,int arg,bool verbose)5094 static bool ma_wrap_status(struct adapter *adap, int arg, bool verbose)
5095 {
5096 u32 v;
5097
5098 v = t4_read_reg(adap, A_MA_INT_WRAP_STATUS);
5099 CH_ALERT(adap,
5100 "MA address wrap-around error by client %u to address %#x\n",
5101 G_MEM_WRAP_CLIENT_NUM(v), G_MEM_WRAP_ADDRESS(v) << 4);
5102 t4_write_reg(adap, A_MA_INT_WRAP_STATUS, v);
5103
5104 return (false);
5105 }
5106
5107
5108 /*
5109 * MA interrupt handler.
5110 */
ma_intr_handler(struct adapter * adap,int arg,bool verbose)5111 static bool ma_intr_handler(struct adapter *adap, int arg, bool verbose)
5112 {
5113 static const struct intr_action ma_intr_actions[] = {
5114 { F_MEM_WRAP_INT_CAUSE, 0, ma_wrap_status },
5115 { 0 },
5116 };
5117 static const struct intr_info ma_intr_info = {
5118 .name = "MA_INT_CAUSE",
5119 .cause_reg = A_MA_INT_CAUSE,
5120 .enable_reg = A_MA_INT_ENABLE,
5121 .fatal = F_MEM_PERR_INT_CAUSE | F_MEM_TO_INT_CAUSE,
5122 .flags = NONFATAL_IF_DISABLED,
5123 .details = NULL,
5124 .actions = ma_intr_actions,
5125 };
5126 static const struct intr_info ma_perr_status1 = {
5127 .name = "MA_PARITY_ERROR_STATUS1",
5128 .cause_reg = A_MA_PARITY_ERROR_STATUS1,
5129 .enable_reg = A_MA_PARITY_ERROR_ENABLE1,
5130 .fatal = 0xffffffff,
5131 .flags = 0,
5132 .details = NULL,
5133 .actions = NULL,
5134 };
5135 static const struct intr_info ma_perr_status2 = {
5136 .name = "MA_PARITY_ERROR_STATUS2",
5137 .cause_reg = A_MA_PARITY_ERROR_STATUS2,
5138 .enable_reg = A_MA_PARITY_ERROR_ENABLE2,
5139 .fatal = 0xffffffff,
5140 .flags = 0,
5141 .details = NULL,
5142 .actions = NULL,
5143 };
5144 bool fatal;
5145
5146 fatal = false;
5147 fatal |= t4_handle_intr(adap, &ma_intr_info, 0, verbose);
5148 fatal |= t4_handle_intr(adap, &ma_perr_status1, 0, verbose);
5149 if (chip_id(adap) > CHELSIO_T4)
5150 fatal |= t4_handle_intr(adap, &ma_perr_status2, 0, verbose);
5151
5152 return (fatal);
5153 }
5154
5155 /*
5156 * SMB interrupt handler.
5157 */
smb_intr_handler(struct adapter * adap,int arg,bool verbose)5158 static bool smb_intr_handler(struct adapter *adap, int arg, bool verbose)
5159 {
5160 static const struct intr_details smb_intr_details[] = {
5161 { F_MSTTXFIFOPARINT, "SMB master Tx FIFO parity error" },
5162 { F_MSTRXFIFOPARINT, "SMB master Rx FIFO parity error" },
5163 { F_SLVFIFOPARINT, "SMB slave FIFO parity error" },
5164 { 0 }
5165 };
5166 static const struct intr_info smb_intr_info = {
5167 .name = "SMB_INT_CAUSE",
5168 .cause_reg = A_SMB_INT_CAUSE,
5169 .enable_reg = A_SMB_INT_ENABLE,
5170 .fatal = F_SLVFIFOPARINT | F_MSTRXFIFOPARINT | F_MSTTXFIFOPARINT,
5171 .flags = 0,
5172 .details = smb_intr_details,
5173 .actions = NULL,
5174 };
5175
5176 return (t4_handle_intr(adap, &smb_intr_info, 0, verbose));
5177 }
5178
5179 /*
5180 * NC-SI interrupt handler.
5181 */
ncsi_intr_handler(struct adapter * adap,int arg,bool verbose)5182 static bool ncsi_intr_handler(struct adapter *adap, int arg, bool verbose)
5183 {
5184 static const struct intr_details ncsi_intr_details[] = {
5185 { F_CIM_DM_PRTY_ERR, "NC-SI CIM parity error" },
5186 { F_MPS_DM_PRTY_ERR, "NC-SI MPS parity error" },
5187 { F_TXFIFO_PRTY_ERR, "NC-SI Tx FIFO parity error" },
5188 { F_RXFIFO_PRTY_ERR, "NC-SI Rx FIFO parity error" },
5189 { 0 }
5190 };
5191 static const struct intr_info ncsi_intr_info = {
5192 .name = "NCSI_INT_CAUSE",
5193 .cause_reg = A_NCSI_INT_CAUSE,
5194 .enable_reg = A_NCSI_INT_ENABLE,
5195 .fatal = F_RXFIFO_PRTY_ERR | F_TXFIFO_PRTY_ERR |
5196 F_MPS_DM_PRTY_ERR | F_CIM_DM_PRTY_ERR,
5197 .flags = 0,
5198 .details = ncsi_intr_details,
5199 .actions = NULL,
5200 };
5201
5202 return (t4_handle_intr(adap, &ncsi_intr_info, 0, verbose));
5203 }
5204
5205 /*
5206 * MAC interrupt handler.
5207 */
mac_intr_handler(struct adapter * adap,int port,bool verbose)5208 static bool mac_intr_handler(struct adapter *adap, int port, bool verbose)
5209 {
5210 static const struct intr_details mac_intr_details[] = {
5211 { F_TXFIFO_PRTY_ERR, "MAC Tx FIFO parity error" },
5212 { F_RXFIFO_PRTY_ERR, "MAC Rx FIFO parity error" },
5213 { 0 }
5214 };
5215 char name[32];
5216 struct intr_info ii;
5217 bool fatal = false;
5218
5219 if (is_t4(adap)) {
5220 snprintf(name, sizeof(name), "XGMAC_PORT%u_INT_CAUSE", port);
5221 ii.name = &name[0];
5222 ii.cause_reg = PORT_REG(port, A_XGMAC_PORT_INT_CAUSE);
5223 ii.enable_reg = PORT_REG(port, A_XGMAC_PORT_INT_EN);
5224 ii.fatal = F_TXFIFO_PRTY_ERR | F_RXFIFO_PRTY_ERR;
5225 ii.flags = 0;
5226 ii.details = mac_intr_details;
5227 ii.actions = NULL;
5228 } else {
5229 snprintf(name, sizeof(name), "MAC_PORT%u_INT_CAUSE", port);
5230 ii.name = &name[0];
5231 ii.cause_reg = T5_PORT_REG(port, A_MAC_PORT_INT_CAUSE);
5232 ii.enable_reg = T5_PORT_REG(port, A_MAC_PORT_INT_EN);
5233 ii.fatal = F_TXFIFO_PRTY_ERR | F_RXFIFO_PRTY_ERR;
5234 ii.flags = 0;
5235 ii.details = mac_intr_details;
5236 ii.actions = NULL;
5237 }
5238 fatal |= t4_handle_intr(adap, &ii, 0, verbose);
5239
5240 if (chip_id(adap) >= CHELSIO_T5) {
5241 snprintf(name, sizeof(name), "MAC_PORT%u_PERR_INT_CAUSE", port);
5242 ii.name = &name[0];
5243 ii.cause_reg = T5_PORT_REG(port, A_MAC_PORT_PERR_INT_CAUSE);
5244 ii.enable_reg = T5_PORT_REG(port, A_MAC_PORT_PERR_INT_EN);
5245 ii.fatal = 0;
5246 ii.flags = 0;
5247 ii.details = NULL;
5248 ii.actions = NULL;
5249 fatal |= t4_handle_intr(adap, &ii, 0, verbose);
5250 }
5251
5252 if (chip_id(adap) >= CHELSIO_T6) {
5253 snprintf(name, sizeof(name), "MAC_PORT%u_PERR_INT_CAUSE_100G", port);
5254 ii.name = &name[0];
5255 ii.cause_reg = T5_PORT_REG(port, A_MAC_PORT_PERR_INT_CAUSE_100G);
5256 ii.enable_reg = T5_PORT_REG(port, A_MAC_PORT_PERR_INT_EN_100G);
5257 ii.fatal = 0;
5258 ii.flags = 0;
5259 ii.details = NULL;
5260 ii.actions = NULL;
5261 fatal |= t4_handle_intr(adap, &ii, 0, verbose);
5262 }
5263
5264 return (fatal);
5265 }
5266
pl_timeout_status(struct adapter * adap,int arg,bool verbose)5267 static bool pl_timeout_status(struct adapter *adap, int arg, bool verbose)
5268 {
5269
5270 CH_ALERT(adap, " PL_TIMEOUT_STATUS 0x%08x 0x%08x\n",
5271 t4_read_reg(adap, A_PL_TIMEOUT_STATUS0),
5272 t4_read_reg(adap, A_PL_TIMEOUT_STATUS1));
5273
5274 return (false);
5275 }
5276
plpl_intr_handler(struct adapter * adap,int arg,bool verbose)5277 static bool plpl_intr_handler(struct adapter *adap, int arg, bool verbose)
5278 {
5279 static const struct intr_action plpl_intr_actions[] = {
5280 { F_TIMEOUT, 0, pl_timeout_status },
5281 { 0 },
5282 };
5283 static const struct intr_details plpl_intr_details[] = {
5284 { F_PL_BUSPERR, "Bus parity error" },
5285 { F_FATALPERR, "Fatal parity error" },
5286 { F_INVALIDACCESS, "Global reserved memory access" },
5287 { F_TIMEOUT, "Bus timeout" },
5288 { F_PLERR, "Module reserved access" },
5289 { F_PERRVFID, "VFID_MAP parity error" },
5290 { 0 }
5291 };
5292 static const struct intr_info plpl_intr_info = {
5293 .name = "PL_PL_INT_CAUSE",
5294 .cause_reg = A_PL_PL_INT_CAUSE,
5295 .enable_reg = A_PL_PL_INT_ENABLE,
5296 .fatal = F_FATALPERR | F_PERRVFID,
5297 .flags = NONFATAL_IF_DISABLED,
5298 .details = plpl_intr_details,
5299 .actions = plpl_intr_actions,
5300 };
5301
5302 return (t4_handle_intr(adap, &plpl_intr_info, 0, verbose));
5303 }
5304
5305 /**
5306 * t4_slow_intr_handler - control path interrupt handler
5307 * @adap: the adapter
5308 * @verbose: increased verbosity, for debug
5309 *
5310 * T4 interrupt handler for non-data global interrupt events, e.g., errors.
5311 * The designation 'slow' is because it involves register reads, while
5312 * data interrupts typically don't involve any MMIOs.
5313 */
t4_slow_intr_handler(struct adapter * adap,bool verbose)5314 bool t4_slow_intr_handler(struct adapter *adap, bool verbose)
5315 {
5316 static const struct intr_details pl_intr_details[] = {
5317 { F_MC1, "MC1" },
5318 { F_UART, "UART" },
5319 { F_ULP_TX, "ULP TX" },
5320 { F_SGE, "SGE" },
5321 { F_HMA, "HMA" },
5322 { F_CPL_SWITCH, "CPL Switch" },
5323 { F_ULP_RX, "ULP RX" },
5324 { F_PM_RX, "PM RX" },
5325 { F_PM_TX, "PM TX" },
5326 { F_MA, "MA" },
5327 { F_TP, "TP" },
5328 { F_LE, "LE" },
5329 { F_EDC1, "EDC1" },
5330 { F_EDC0, "EDC0" },
5331 { F_MC, "MC0" },
5332 { F_PCIE, "PCIE" },
5333 { F_PMU, "PMU" },
5334 { F_MAC3, "MAC3" },
5335 { F_MAC2, "MAC2" },
5336 { F_MAC1, "MAC1" },
5337 { F_MAC0, "MAC0" },
5338 { F_SMB, "SMB" },
5339 { F_SF, "SF" },
5340 { F_PL, "PL" },
5341 { F_NCSI, "NC-SI" },
5342 { F_MPS, "MPS" },
5343 { F_MI, "MI" },
5344 { F_DBG, "DBG" },
5345 { F_I2CM, "I2CM" },
5346 { F_CIM, "CIM" },
5347 { 0 }
5348 };
5349 static const struct intr_info pl_perr_cause = {
5350 .name = "PL_PERR_CAUSE",
5351 .cause_reg = A_PL_PERR_CAUSE,
5352 .enable_reg = A_PL_PERR_ENABLE,
5353 .fatal = 0xffffffff,
5354 .flags = 0,
5355 .details = pl_intr_details,
5356 .actions = NULL,
5357 };
5358 static const struct intr_action pl_intr_action[] = {
5359 { F_MC1, MEM_MC1, mem_intr_handler },
5360 { F_ULP_TX, -1, ulptx_intr_handler },
5361 { F_SGE, -1, sge_intr_handler },
5362 { F_CPL_SWITCH, -1, cplsw_intr_handler },
5363 { F_ULP_RX, -1, ulprx_intr_handler },
5364 { F_PM_RX, -1, pmrx_intr_handler},
5365 { F_PM_TX, -1, pmtx_intr_handler},
5366 { F_MA, -1, ma_intr_handler },
5367 { F_TP, -1, tp_intr_handler },
5368 { F_LE, -1, le_intr_handler },
5369 { F_EDC1, MEM_EDC1, mem_intr_handler },
5370 { F_EDC0, MEM_EDC0, mem_intr_handler },
5371 { F_MC0, MEM_MC0, mem_intr_handler },
5372 { F_PCIE, -1, pcie_intr_handler },
5373 { F_MAC3, 3, mac_intr_handler},
5374 { F_MAC2, 2, mac_intr_handler},
5375 { F_MAC1, 1, mac_intr_handler},
5376 { F_MAC0, 0, mac_intr_handler},
5377 { F_SMB, -1, smb_intr_handler},
5378 { F_PL, -1, plpl_intr_handler },
5379 { F_NCSI, -1, ncsi_intr_handler},
5380 { F_MPS, -1, mps_intr_handler },
5381 { F_CIM, -1, cim_intr_handler },
5382 { 0 }
5383 };
5384 static const struct intr_info pl_intr_info = {
5385 .name = "PL_INT_CAUSE",
5386 .cause_reg = A_PL_INT_CAUSE,
5387 .enable_reg = A_PL_INT_ENABLE,
5388 .fatal = 0,
5389 .flags = 0,
5390 .details = pl_intr_details,
5391 .actions = pl_intr_action,
5392 };
5393 u32 perr;
5394
5395 perr = t4_read_reg(adap, pl_perr_cause.cause_reg);
5396 if (verbose || perr != 0) {
5397 t4_show_intr_info(adap, &pl_perr_cause, perr);
5398 if (perr != 0)
5399 t4_write_reg(adap, pl_perr_cause.cause_reg, perr);
5400 if (verbose)
5401 perr |= t4_read_reg(adap, pl_intr_info.enable_reg);
5402 }
5403
5404 return (t4_handle_intr(adap, &pl_intr_info, perr, verbose));
5405 }
5406
5407 #define PF_INTR_MASK (F_PFSW | F_PFCIM)
5408
5409 /**
5410 * t4_intr_enable - enable interrupts
5411 * @adapter: the adapter whose interrupts should be enabled
5412 *
5413 * Enable PF-specific interrupts for the calling function and the top-level
5414 * interrupt concentrator for global interrupts. Interrupts are already
5415 * enabled at each module, here we just enable the roots of the interrupt
5416 * hierarchies.
5417 *
5418 * Note: this function should be called only when the driver manages
5419 * non PF-specific interrupts from the various HW modules. Only one PCI
5420 * function at a time should be doing this.
5421 */
t4_intr_enable(struct adapter * adap)5422 void t4_intr_enable(struct adapter *adap)
5423 {
5424 u32 val = 0;
5425
5426 if (chip_id(adap) <= CHELSIO_T5)
5427 val = F_ERR_DROPPED_DB | F_ERR_EGR_CTXT_PRIO | F_DBFIFO_HP_INT;
5428 else
5429 val = F_ERR_PCIE_ERROR0 | F_ERR_PCIE_ERROR1 | F_FATAL_WRE_LEN;
5430 val |= F_ERR_CPL_EXCEED_IQE_SIZE | F_ERR_INVALID_CIDX_INC |
5431 F_ERR_CPL_OPCODE_0 | F_ERR_DATA_CPL_ON_HIGH_QID1 |
5432 F_INGRESS_SIZE_ERR | F_ERR_DATA_CPL_ON_HIGH_QID0 |
5433 F_ERR_BAD_DB_PIDX3 | F_ERR_BAD_DB_PIDX2 | F_ERR_BAD_DB_PIDX1 |
5434 F_ERR_BAD_DB_PIDX0 | F_ERR_ING_CTXT_PRIO | F_DBFIFO_LP_INT |
5435 F_EGRESS_SIZE_ERR;
5436 t4_set_reg_field(adap, A_SGE_INT_ENABLE3, val, val);
5437 t4_write_reg(adap, MYPF_REG(A_PL_PF_INT_ENABLE), PF_INTR_MASK);
5438 t4_set_reg_field(adap, A_PL_INT_ENABLE, F_SF | F_I2CM, 0);
5439 t4_set_reg_field(adap, A_PL_INT_MAP0, 0, 1 << adap->pf);
5440 }
5441
5442 /**
5443 * t4_intr_disable - disable interrupts
5444 * @adap: the adapter whose interrupts should be disabled
5445 *
5446 * Disable interrupts. We only disable the top-level interrupt
5447 * concentrators. The caller must be a PCI function managing global
5448 * interrupts.
5449 */
t4_intr_disable(struct adapter * adap)5450 void t4_intr_disable(struct adapter *adap)
5451 {
5452
5453 t4_write_reg(adap, MYPF_REG(A_PL_PF_INT_ENABLE), 0);
5454 t4_set_reg_field(adap, A_PL_INT_MAP0, 1 << adap->pf, 0);
5455 }
5456
5457 /**
5458 * hash_mac_addr - return the hash value of a MAC address
5459 * @addr: the 48-bit Ethernet MAC address
5460 *
5461 * Hashes a MAC address according to the hash function used by HW inexact
5462 * (hash) address matching.
5463 */
hash_mac_addr(const u8 * addr)5464 static int hash_mac_addr(const u8 *addr)
5465 {
5466 u32 a = ((u32)addr[0] << 16) | ((u32)addr[1] << 8) | addr[2];
5467 u32 b = ((u32)addr[3] << 16) | ((u32)addr[4] << 8) | addr[5];
5468 a ^= b;
5469 a ^= (a >> 12);
5470 a ^= (a >> 6);
5471 return a & 0x3f;
5472 }
5473
5474 /**
5475 * t4_config_rss_range - configure a portion of the RSS mapping table
5476 * @adapter: the adapter
5477 * @mbox: mbox to use for the FW command
5478 * @viid: virtual interface whose RSS subtable is to be written
5479 * @start: start entry in the table to write
5480 * @n: how many table entries to write
5481 * @rspq: values for the "response queue" (Ingress Queue) lookup table
5482 * @nrspq: number of values in @rspq
5483 *
5484 * Programs the selected part of the VI's RSS mapping table with the
5485 * provided values. If @nrspq < @n the supplied values are used repeatedly
5486 * until the full table range is populated.
5487 *
5488 * The caller must ensure the values in @rspq are in the range allowed for
5489 * @viid.
5490 */
t4_config_rss_range(struct adapter * adapter,int mbox,unsigned int viid,int start,int n,const u16 * rspq,unsigned int nrspq)5491 int t4_config_rss_range(struct adapter *adapter, int mbox, unsigned int viid,
5492 int start, int n, const u16 *rspq, unsigned int nrspq)
5493 {
5494 int ret;
5495 const u16 *rsp = rspq;
5496 const u16 *rsp_end = rspq + nrspq;
5497 struct fw_rss_ind_tbl_cmd cmd;
5498
5499 memset(&cmd, 0, sizeof(cmd));
5500 cmd.op_to_viid = cpu_to_be32(V_FW_CMD_OP(FW_RSS_IND_TBL_CMD) |
5501 F_FW_CMD_REQUEST | F_FW_CMD_WRITE |
5502 V_FW_RSS_IND_TBL_CMD_VIID(viid));
5503 cmd.retval_len16 = cpu_to_be32(FW_LEN16(cmd));
5504
5505 /*
5506 * Each firmware RSS command can accommodate up to 32 RSS Ingress
5507 * Queue Identifiers. These Ingress Queue IDs are packed three to
5508 * a 32-bit word as 10-bit values with the upper remaining 2 bits
5509 * reserved.
5510 */
5511 while (n > 0) {
5512 int nq = min(n, 32);
5513 int nq_packed = 0;
5514 __be32 *qp = &cmd.iq0_to_iq2;
5515
5516 /*
5517 * Set up the firmware RSS command header to send the next
5518 * "nq" Ingress Queue IDs to the firmware.
5519 */
5520 cmd.niqid = cpu_to_be16(nq);
5521 cmd.startidx = cpu_to_be16(start);
5522
5523 /*
5524 * "nq" more done for the start of the next loop.
5525 */
5526 start += nq;
5527 n -= nq;
5528
5529 /*
5530 * While there are still Ingress Queue IDs to stuff into the
5531 * current firmware RSS command, retrieve them from the
5532 * Ingress Queue ID array and insert them into the command.
5533 */
5534 while (nq > 0) {
5535 /*
5536 * Grab up to the next 3 Ingress Queue IDs (wrapping
5537 * around the Ingress Queue ID array if necessary) and
5538 * insert them into the firmware RSS command at the
5539 * current 3-tuple position within the commad.
5540 */
5541 u16 qbuf[3];
5542 u16 *qbp = qbuf;
5543 int nqbuf = min(3, nq);
5544
5545 nq -= nqbuf;
5546 qbuf[0] = qbuf[1] = qbuf[2] = 0;
5547 while (nqbuf && nq_packed < 32) {
5548 nqbuf--;
5549 nq_packed++;
5550 *qbp++ = *rsp++;
5551 if (rsp >= rsp_end)
5552 rsp = rspq;
5553 }
5554 *qp++ = cpu_to_be32(V_FW_RSS_IND_TBL_CMD_IQ0(qbuf[0]) |
5555 V_FW_RSS_IND_TBL_CMD_IQ1(qbuf[1]) |
5556 V_FW_RSS_IND_TBL_CMD_IQ2(qbuf[2]));
5557 }
5558
5559 /*
5560 * Send this portion of the RRS table update to the firmware;
5561 * bail out on any errors.
5562 */
5563 ret = t4_wr_mbox(adapter, mbox, &cmd, sizeof(cmd), NULL);
5564 if (ret)
5565 return ret;
5566 }
5567 return 0;
5568 }
5569
5570 /**
5571 * t4_config_glbl_rss - configure the global RSS mode
5572 * @adapter: the adapter
5573 * @mbox: mbox to use for the FW command
5574 * @mode: global RSS mode
5575 * @flags: mode-specific flags
5576 *
5577 * Sets the global RSS mode.
5578 */
t4_config_glbl_rss(struct adapter * adapter,int mbox,unsigned int mode,unsigned int flags)5579 int t4_config_glbl_rss(struct adapter *adapter, int mbox, unsigned int mode,
5580 unsigned int flags)
5581 {
5582 struct fw_rss_glb_config_cmd c;
5583
5584 memset(&c, 0, sizeof(c));
5585 c.op_to_write = cpu_to_be32(V_FW_CMD_OP(FW_RSS_GLB_CONFIG_CMD) |
5586 F_FW_CMD_REQUEST | F_FW_CMD_WRITE);
5587 c.retval_len16 = cpu_to_be32(FW_LEN16(c));
5588 if (mode == FW_RSS_GLB_CONFIG_CMD_MODE_MANUAL) {
5589 c.u.manual.mode_pkd =
5590 cpu_to_be32(V_FW_RSS_GLB_CONFIG_CMD_MODE(mode));
5591 } else if (mode == FW_RSS_GLB_CONFIG_CMD_MODE_BASICVIRTUAL) {
5592 c.u.basicvirtual.mode_keymode =
5593 cpu_to_be32(V_FW_RSS_GLB_CONFIG_CMD_MODE(mode));
5594 c.u.basicvirtual.synmapen_to_hashtoeplitz = cpu_to_be32(flags);
5595 } else
5596 return -EINVAL;
5597 return t4_wr_mbox(adapter, mbox, &c, sizeof(c), NULL);
5598 }
5599
5600 /**
5601 * t4_config_vi_rss - configure per VI RSS settings
5602 * @adapter: the adapter
5603 * @mbox: mbox to use for the FW command
5604 * @viid: the VI id
5605 * @flags: RSS flags
5606 * @defq: id of the default RSS queue for the VI.
5607 * @skeyidx: RSS secret key table index for non-global mode
5608 * @skey: RSS vf_scramble key for VI.
5609 *
5610 * Configures VI-specific RSS properties.
5611 */
t4_config_vi_rss(struct adapter * adapter,int mbox,unsigned int viid,unsigned int flags,unsigned int defq,unsigned int skeyidx,unsigned int skey)5612 int t4_config_vi_rss(struct adapter *adapter, int mbox, unsigned int viid,
5613 unsigned int flags, unsigned int defq, unsigned int skeyidx,
5614 unsigned int skey)
5615 {
5616 struct fw_rss_vi_config_cmd c;
5617
5618 memset(&c, 0, sizeof(c));
5619 c.op_to_viid = cpu_to_be32(V_FW_CMD_OP(FW_RSS_VI_CONFIG_CMD) |
5620 F_FW_CMD_REQUEST | F_FW_CMD_WRITE |
5621 V_FW_RSS_VI_CONFIG_CMD_VIID(viid));
5622 c.retval_len16 = cpu_to_be32(FW_LEN16(c));
5623 c.u.basicvirtual.defaultq_to_udpen = cpu_to_be32(flags |
5624 V_FW_RSS_VI_CONFIG_CMD_DEFAULTQ(defq));
5625 c.u.basicvirtual.secretkeyidx_pkd = cpu_to_be32(
5626 V_FW_RSS_VI_CONFIG_CMD_SECRETKEYIDX(skeyidx));
5627 c.u.basicvirtual.secretkeyxor = cpu_to_be32(skey);
5628
5629 return t4_wr_mbox(adapter, mbox, &c, sizeof(c), NULL);
5630 }
5631
5632 /* Read an RSS table row */
rd_rss_row(struct adapter * adap,int row,u32 * val)5633 static int rd_rss_row(struct adapter *adap, int row, u32 *val)
5634 {
5635 t4_write_reg(adap, A_TP_RSS_LKP_TABLE, 0xfff00000 | row);
5636 return t4_wait_op_done_val(adap, A_TP_RSS_LKP_TABLE, F_LKPTBLROWVLD, 1,
5637 5, 0, val);
5638 }
5639
5640 /**
5641 * t4_read_rss - read the contents of the RSS mapping table
5642 * @adapter: the adapter
5643 * @map: holds the contents of the RSS mapping table
5644 *
5645 * Reads the contents of the RSS hash->queue mapping table.
5646 */
t4_read_rss(struct adapter * adapter,u16 * map)5647 int t4_read_rss(struct adapter *adapter, u16 *map)
5648 {
5649 u32 val;
5650 int i, ret;
5651 int rss_nentries = adapter->chip_params->rss_nentries;
5652
5653 for (i = 0; i < rss_nentries / 2; ++i) {
5654 ret = rd_rss_row(adapter, i, &val);
5655 if (ret)
5656 return ret;
5657 *map++ = G_LKPTBLQUEUE0(val);
5658 *map++ = G_LKPTBLQUEUE1(val);
5659 }
5660 return 0;
5661 }
5662
5663 /**
5664 * t4_tp_fw_ldst_rw - Access TP indirect register through LDST
5665 * @adap: the adapter
5666 * @cmd: TP fw ldst address space type
5667 * @vals: where the indirect register values are stored/written
5668 * @nregs: how many indirect registers to read/write
5669 * @start_idx: index of first indirect register to read/write
5670 * @rw: Read (1) or Write (0)
5671 * @sleep_ok: if true we may sleep while awaiting command completion
5672 *
5673 * Access TP indirect registers through LDST
5674 **/
t4_tp_fw_ldst_rw(struct adapter * adap,int cmd,u32 * vals,unsigned int nregs,unsigned int start_index,unsigned int rw,bool sleep_ok)5675 static int t4_tp_fw_ldst_rw(struct adapter *adap, int cmd, u32 *vals,
5676 unsigned int nregs, unsigned int start_index,
5677 unsigned int rw, bool sleep_ok)
5678 {
5679 int ret = 0;
5680 unsigned int i;
5681 struct fw_ldst_cmd c;
5682
5683 for (i = 0; i < nregs; i++) {
5684 memset(&c, 0, sizeof(c));
5685 c.op_to_addrspace = cpu_to_be32(V_FW_CMD_OP(FW_LDST_CMD) |
5686 F_FW_CMD_REQUEST |
5687 (rw ? F_FW_CMD_READ :
5688 F_FW_CMD_WRITE) |
5689 V_FW_LDST_CMD_ADDRSPACE(cmd));
5690 c.cycles_to_len16 = cpu_to_be32(FW_LEN16(c));
5691
5692 c.u.addrval.addr = cpu_to_be32(start_index + i);
5693 c.u.addrval.val = rw ? 0 : cpu_to_be32(vals[i]);
5694 ret = t4_wr_mbox_meat(adap, adap->mbox, &c, sizeof(c), &c,
5695 sleep_ok);
5696 if (ret)
5697 return ret;
5698
5699 if (rw)
5700 vals[i] = be32_to_cpu(c.u.addrval.val);
5701 }
5702 return 0;
5703 }
5704
5705 /**
5706 * t4_tp_indirect_rw - Read/Write TP indirect register through LDST or backdoor
5707 * @adap: the adapter
5708 * @reg_addr: Address Register
5709 * @reg_data: Data register
5710 * @buff: where the indirect register values are stored/written
5711 * @nregs: how many indirect registers to read/write
5712 * @start_index: index of first indirect register to read/write
5713 * @rw: READ(1) or WRITE(0)
5714 * @sleep_ok: if true we may sleep while awaiting command completion
5715 *
5716 * Read/Write TP indirect registers through LDST if possible.
5717 * Else, use backdoor access
5718 **/
t4_tp_indirect_rw(struct adapter * adap,u32 reg_addr,u32 reg_data,u32 * buff,u32 nregs,u32 start_index,int rw,bool sleep_ok)5719 static void t4_tp_indirect_rw(struct adapter *adap, u32 reg_addr, u32 reg_data,
5720 u32 *buff, u32 nregs, u32 start_index, int rw,
5721 bool sleep_ok)
5722 {
5723 int rc = -EINVAL;
5724 int cmd;
5725
5726 switch (reg_addr) {
5727 case A_TP_PIO_ADDR:
5728 cmd = FW_LDST_ADDRSPC_TP_PIO;
5729 break;
5730 case A_TP_TM_PIO_ADDR:
5731 cmd = FW_LDST_ADDRSPC_TP_TM_PIO;
5732 break;
5733 case A_TP_MIB_INDEX:
5734 cmd = FW_LDST_ADDRSPC_TP_MIB;
5735 break;
5736 default:
5737 goto indirect_access;
5738 }
5739
5740 if (t4_use_ldst(adap))
5741 rc = t4_tp_fw_ldst_rw(adap, cmd, buff, nregs, start_index, rw,
5742 sleep_ok);
5743
5744 indirect_access:
5745
5746 if (rc) {
5747 if (rw)
5748 t4_read_indirect(adap, reg_addr, reg_data, buff, nregs,
5749 start_index);
5750 else
5751 t4_write_indirect(adap, reg_addr, reg_data, buff, nregs,
5752 start_index);
5753 }
5754 }
5755
5756 /**
5757 * t4_tp_pio_read - Read TP PIO registers
5758 * @adap: the adapter
5759 * @buff: where the indirect register values are written
5760 * @nregs: how many indirect registers to read
5761 * @start_index: index of first indirect register to read
5762 * @sleep_ok: if true we may sleep while awaiting command completion
5763 *
5764 * Read TP PIO Registers
5765 **/
t4_tp_pio_read(struct adapter * adap,u32 * buff,u32 nregs,u32 start_index,bool sleep_ok)5766 void t4_tp_pio_read(struct adapter *adap, u32 *buff, u32 nregs,
5767 u32 start_index, bool sleep_ok)
5768 {
5769 t4_tp_indirect_rw(adap, A_TP_PIO_ADDR, A_TP_PIO_DATA, buff, nregs,
5770 start_index, 1, sleep_ok);
5771 }
5772
5773 /**
5774 * t4_tp_pio_write - Write TP PIO registers
5775 * @adap: the adapter
5776 * @buff: where the indirect register values are stored
5777 * @nregs: how many indirect registers to write
5778 * @start_index: index of first indirect register to write
5779 * @sleep_ok: if true we may sleep while awaiting command completion
5780 *
5781 * Write TP PIO Registers
5782 **/
t4_tp_pio_write(struct adapter * adap,const u32 * buff,u32 nregs,u32 start_index,bool sleep_ok)5783 void t4_tp_pio_write(struct adapter *adap, const u32 *buff, u32 nregs,
5784 u32 start_index, bool sleep_ok)
5785 {
5786 t4_tp_indirect_rw(adap, A_TP_PIO_ADDR, A_TP_PIO_DATA,
5787 __DECONST(u32 *, buff), nregs, start_index, 0, sleep_ok);
5788 }
5789
5790 /**
5791 * t4_tp_tm_pio_read - Read TP TM PIO registers
5792 * @adap: the adapter
5793 * @buff: where the indirect register values are written
5794 * @nregs: how many indirect registers to read
5795 * @start_index: index of first indirect register to read
5796 * @sleep_ok: if true we may sleep while awaiting command completion
5797 *
5798 * Read TP TM PIO Registers
5799 **/
t4_tp_tm_pio_read(struct adapter * adap,u32 * buff,u32 nregs,u32 start_index,bool sleep_ok)5800 void t4_tp_tm_pio_read(struct adapter *adap, u32 *buff, u32 nregs,
5801 u32 start_index, bool sleep_ok)
5802 {
5803 t4_tp_indirect_rw(adap, A_TP_TM_PIO_ADDR, A_TP_TM_PIO_DATA, buff,
5804 nregs, start_index, 1, sleep_ok);
5805 }
5806
5807 /**
5808 * t4_tp_mib_read - Read TP MIB registers
5809 * @adap: the adapter
5810 * @buff: where the indirect register values are written
5811 * @nregs: how many indirect registers to read
5812 * @start_index: index of first indirect register to read
5813 * @sleep_ok: if true we may sleep while awaiting command completion
5814 *
5815 * Read TP MIB Registers
5816 **/
t4_tp_mib_read(struct adapter * adap,u32 * buff,u32 nregs,u32 start_index,bool sleep_ok)5817 void t4_tp_mib_read(struct adapter *adap, u32 *buff, u32 nregs, u32 start_index,
5818 bool sleep_ok)
5819 {
5820 t4_tp_indirect_rw(adap, A_TP_MIB_INDEX, A_TP_MIB_DATA, buff, nregs,
5821 start_index, 1, sleep_ok);
5822 }
5823
5824 /**
5825 * t4_read_rss_key - read the global RSS key
5826 * @adap: the adapter
5827 * @key: 10-entry array holding the 320-bit RSS key
5828 * @sleep_ok: if true we may sleep while awaiting command completion
5829 *
5830 * Reads the global 320-bit RSS key.
5831 */
t4_read_rss_key(struct adapter * adap,u32 * key,bool sleep_ok)5832 void t4_read_rss_key(struct adapter *adap, u32 *key, bool sleep_ok)
5833 {
5834 t4_tp_pio_read(adap, key, 10, A_TP_RSS_SECRET_KEY0, sleep_ok);
5835 }
5836
5837 /**
5838 * t4_write_rss_key - program one of the RSS keys
5839 * @adap: the adapter
5840 * @key: 10-entry array holding the 320-bit RSS key
5841 * @idx: which RSS key to write
5842 * @sleep_ok: if true we may sleep while awaiting command completion
5843 *
5844 * Writes one of the RSS keys with the given 320-bit value. If @idx is
5845 * 0..15 the corresponding entry in the RSS key table is written,
5846 * otherwise the global RSS key is written.
5847 */
t4_write_rss_key(struct adapter * adap,const u32 * key,int idx,bool sleep_ok)5848 void t4_write_rss_key(struct adapter *adap, const u32 *key, int idx,
5849 bool sleep_ok)
5850 {
5851 u8 rss_key_addr_cnt = 16;
5852 u32 vrt = t4_read_reg(adap, A_TP_RSS_CONFIG_VRT);
5853
5854 /*
5855 * T6 and later: for KeyMode 3 (per-vf and per-vf scramble),
5856 * allows access to key addresses 16-63 by using KeyWrAddrX
5857 * as index[5:4](upper 2) into key table
5858 */
5859 if ((chip_id(adap) > CHELSIO_T5) &&
5860 (vrt & F_KEYEXTEND) && (G_KEYMODE(vrt) == 3))
5861 rss_key_addr_cnt = 32;
5862
5863 t4_tp_pio_write(adap, key, 10, A_TP_RSS_SECRET_KEY0, sleep_ok);
5864
5865 if (idx >= 0 && idx < rss_key_addr_cnt) {
5866 if (rss_key_addr_cnt > 16)
5867 t4_write_reg(adap, A_TP_RSS_CONFIG_VRT,
5868 vrt | V_KEYWRADDRX(idx >> 4) |
5869 V_T6_VFWRADDR(idx) | F_KEYWREN);
5870 else
5871 t4_write_reg(adap, A_TP_RSS_CONFIG_VRT,
5872 vrt| V_KEYWRADDR(idx) | F_KEYWREN);
5873 }
5874 }
5875
5876 /**
5877 * t4_read_rss_pf_config - read PF RSS Configuration Table
5878 * @adapter: the adapter
5879 * @index: the entry in the PF RSS table to read
5880 * @valp: where to store the returned value
5881 * @sleep_ok: if true we may sleep while awaiting command completion
5882 *
5883 * Reads the PF RSS Configuration Table at the specified index and returns
5884 * the value found there.
5885 */
t4_read_rss_pf_config(struct adapter * adapter,unsigned int index,u32 * valp,bool sleep_ok)5886 void t4_read_rss_pf_config(struct adapter *adapter, unsigned int index,
5887 u32 *valp, bool sleep_ok)
5888 {
5889 t4_tp_pio_read(adapter, valp, 1, A_TP_RSS_PF0_CONFIG + index, sleep_ok);
5890 }
5891
5892 /**
5893 * t4_write_rss_pf_config - write PF RSS Configuration Table
5894 * @adapter: the adapter
5895 * @index: the entry in the VF RSS table to read
5896 * @val: the value to store
5897 * @sleep_ok: if true we may sleep while awaiting command completion
5898 *
5899 * Writes the PF RSS Configuration Table at the specified index with the
5900 * specified value.
5901 */
t4_write_rss_pf_config(struct adapter * adapter,unsigned int index,u32 val,bool sleep_ok)5902 void t4_write_rss_pf_config(struct adapter *adapter, unsigned int index,
5903 u32 val, bool sleep_ok)
5904 {
5905 t4_tp_pio_write(adapter, &val, 1, A_TP_RSS_PF0_CONFIG + index,
5906 sleep_ok);
5907 }
5908
5909 /**
5910 * t4_read_rss_vf_config - read VF RSS Configuration Table
5911 * @adapter: the adapter
5912 * @index: the entry in the VF RSS table to read
5913 * @vfl: where to store the returned VFL
5914 * @vfh: where to store the returned VFH
5915 * @sleep_ok: if true we may sleep while awaiting command completion
5916 *
5917 * Reads the VF RSS Configuration Table at the specified index and returns
5918 * the (VFL, VFH) values found there.
5919 */
t4_read_rss_vf_config(struct adapter * adapter,unsigned int index,u32 * vfl,u32 * vfh,bool sleep_ok)5920 void t4_read_rss_vf_config(struct adapter *adapter, unsigned int index,
5921 u32 *vfl, u32 *vfh, bool sleep_ok)
5922 {
5923 u32 vrt, mask, data;
5924
5925 if (chip_id(adapter) <= CHELSIO_T5) {
5926 mask = V_VFWRADDR(M_VFWRADDR);
5927 data = V_VFWRADDR(index);
5928 } else {
5929 mask = V_T6_VFWRADDR(M_T6_VFWRADDR);
5930 data = V_T6_VFWRADDR(index);
5931 }
5932 /*
5933 * Request that the index'th VF Table values be read into VFL/VFH.
5934 */
5935 vrt = t4_read_reg(adapter, A_TP_RSS_CONFIG_VRT);
5936 vrt &= ~(F_VFRDRG | F_VFWREN | F_KEYWREN | mask);
5937 vrt |= data | F_VFRDEN;
5938 t4_write_reg(adapter, A_TP_RSS_CONFIG_VRT, vrt);
5939
5940 /*
5941 * Grab the VFL/VFH values ...
5942 */
5943 t4_tp_pio_read(adapter, vfl, 1, A_TP_RSS_VFL_CONFIG, sleep_ok);
5944 t4_tp_pio_read(adapter, vfh, 1, A_TP_RSS_VFH_CONFIG, sleep_ok);
5945 }
5946
5947 /**
5948 * t4_write_rss_vf_config - write VF RSS Configuration Table
5949 *
5950 * @adapter: the adapter
5951 * @index: the entry in the VF RSS table to write
5952 * @vfl: the VFL to store
5953 * @vfh: the VFH to store
5954 *
5955 * Writes the VF RSS Configuration Table at the specified index with the
5956 * specified (VFL, VFH) values.
5957 */
t4_write_rss_vf_config(struct adapter * adapter,unsigned int index,u32 vfl,u32 vfh,bool sleep_ok)5958 void t4_write_rss_vf_config(struct adapter *adapter, unsigned int index,
5959 u32 vfl, u32 vfh, bool sleep_ok)
5960 {
5961 u32 vrt, mask, data;
5962
5963 if (chip_id(adapter) <= CHELSIO_T5) {
5964 mask = V_VFWRADDR(M_VFWRADDR);
5965 data = V_VFWRADDR(index);
5966 } else {
5967 mask = V_T6_VFWRADDR(M_T6_VFWRADDR);
5968 data = V_T6_VFWRADDR(index);
5969 }
5970
5971 /*
5972 * Load up VFL/VFH with the values to be written ...
5973 */
5974 t4_tp_pio_write(adapter, &vfl, 1, A_TP_RSS_VFL_CONFIG, sleep_ok);
5975 t4_tp_pio_write(adapter, &vfh, 1, A_TP_RSS_VFH_CONFIG, sleep_ok);
5976
5977 /*
5978 * Write the VFL/VFH into the VF Table at index'th location.
5979 */
5980 vrt = t4_read_reg(adapter, A_TP_RSS_CONFIG_VRT);
5981 vrt &= ~(F_VFRDRG | F_VFWREN | F_KEYWREN | mask);
5982 vrt |= data | F_VFRDEN;
5983 t4_write_reg(adapter, A_TP_RSS_CONFIG_VRT, vrt);
5984 }
5985
5986 /**
5987 * t4_read_rss_pf_map - read PF RSS Map
5988 * @adapter: the adapter
5989 * @sleep_ok: if true we may sleep while awaiting command completion
5990 *
5991 * Reads the PF RSS Map register and returns its value.
5992 */
t4_read_rss_pf_map(struct adapter * adapter,bool sleep_ok)5993 u32 t4_read_rss_pf_map(struct adapter *adapter, bool sleep_ok)
5994 {
5995 u32 pfmap;
5996
5997 t4_tp_pio_read(adapter, &pfmap, 1, A_TP_RSS_PF_MAP, sleep_ok);
5998
5999 return pfmap;
6000 }
6001
6002 /**
6003 * t4_write_rss_pf_map - write PF RSS Map
6004 * @adapter: the adapter
6005 * @pfmap: PF RSS Map value
6006 *
6007 * Writes the specified value to the PF RSS Map register.
6008 */
t4_write_rss_pf_map(struct adapter * adapter,u32 pfmap,bool sleep_ok)6009 void t4_write_rss_pf_map(struct adapter *adapter, u32 pfmap, bool sleep_ok)
6010 {
6011 t4_tp_pio_write(adapter, &pfmap, 1, A_TP_RSS_PF_MAP, sleep_ok);
6012 }
6013
6014 /**
6015 * t4_read_rss_pf_mask - read PF RSS Mask
6016 * @adapter: the adapter
6017 * @sleep_ok: if true we may sleep while awaiting command completion
6018 *
6019 * Reads the PF RSS Mask register and returns its value.
6020 */
t4_read_rss_pf_mask(struct adapter * adapter,bool sleep_ok)6021 u32 t4_read_rss_pf_mask(struct adapter *adapter, bool sleep_ok)
6022 {
6023 u32 pfmask;
6024
6025 t4_tp_pio_read(adapter, &pfmask, 1, A_TP_RSS_PF_MSK, sleep_ok);
6026
6027 return pfmask;
6028 }
6029
6030 /**
6031 * t4_write_rss_pf_mask - write PF RSS Mask
6032 * @adapter: the adapter
6033 * @pfmask: PF RSS Mask value
6034 *
6035 * Writes the specified value to the PF RSS Mask register.
6036 */
t4_write_rss_pf_mask(struct adapter * adapter,u32 pfmask,bool sleep_ok)6037 void t4_write_rss_pf_mask(struct adapter *adapter, u32 pfmask, bool sleep_ok)
6038 {
6039 t4_tp_pio_write(adapter, &pfmask, 1, A_TP_RSS_PF_MSK, sleep_ok);
6040 }
6041
6042 /**
6043 * t4_tp_get_tcp_stats - read TP's TCP MIB counters
6044 * @adap: the adapter
6045 * @v4: holds the TCP/IP counter values
6046 * @v6: holds the TCP/IPv6 counter values
6047 * @sleep_ok: if true we may sleep while awaiting command completion
6048 *
6049 * Returns the values of TP's TCP/IP and TCP/IPv6 MIB counters.
6050 * Either @v4 or @v6 may be %NULL to skip the corresponding stats.
6051 */
t4_tp_get_tcp_stats(struct adapter * adap,struct tp_tcp_stats * v4,struct tp_tcp_stats * v6,bool sleep_ok)6052 void t4_tp_get_tcp_stats(struct adapter *adap, struct tp_tcp_stats *v4,
6053 struct tp_tcp_stats *v6, bool sleep_ok)
6054 {
6055 u32 val[A_TP_MIB_TCP_RXT_SEG_LO - A_TP_MIB_TCP_OUT_RST + 1];
6056
6057 #define STAT_IDX(x) ((A_TP_MIB_TCP_##x) - A_TP_MIB_TCP_OUT_RST)
6058 #define STAT(x) val[STAT_IDX(x)]
6059 #define STAT64(x) (((u64)STAT(x##_HI) << 32) | STAT(x##_LO))
6060
6061 if (v4) {
6062 t4_tp_mib_read(adap, val, ARRAY_SIZE(val),
6063 A_TP_MIB_TCP_OUT_RST, sleep_ok);
6064 v4->tcp_out_rsts = STAT(OUT_RST);
6065 v4->tcp_in_segs = STAT64(IN_SEG);
6066 v4->tcp_out_segs = STAT64(OUT_SEG);
6067 v4->tcp_retrans_segs = STAT64(RXT_SEG);
6068 }
6069 if (v6) {
6070 t4_tp_mib_read(adap, val, ARRAY_SIZE(val),
6071 A_TP_MIB_TCP_V6OUT_RST, sleep_ok);
6072 v6->tcp_out_rsts = STAT(OUT_RST);
6073 v6->tcp_in_segs = STAT64(IN_SEG);
6074 v6->tcp_out_segs = STAT64(OUT_SEG);
6075 v6->tcp_retrans_segs = STAT64(RXT_SEG);
6076 }
6077 #undef STAT64
6078 #undef STAT
6079 #undef STAT_IDX
6080 }
6081
6082 /**
6083 * t4_tp_get_err_stats - read TP's error MIB counters
6084 * @adap: the adapter
6085 * @st: holds the counter values
6086 * @sleep_ok: if true we may sleep while awaiting command completion
6087 *
6088 * Returns the values of TP's error counters.
6089 */
t4_tp_get_err_stats(struct adapter * adap,struct tp_err_stats * st,bool sleep_ok)6090 void t4_tp_get_err_stats(struct adapter *adap, struct tp_err_stats *st,
6091 bool sleep_ok)
6092 {
6093 int nchan = adap->chip_params->nchan;
6094
6095 t4_tp_mib_read(adap, st->mac_in_errs, nchan, A_TP_MIB_MAC_IN_ERR_0,
6096 sleep_ok);
6097
6098 t4_tp_mib_read(adap, st->hdr_in_errs, nchan, A_TP_MIB_HDR_IN_ERR_0,
6099 sleep_ok);
6100
6101 t4_tp_mib_read(adap, st->tcp_in_errs, nchan, A_TP_MIB_TCP_IN_ERR_0,
6102 sleep_ok);
6103
6104 t4_tp_mib_read(adap, st->tnl_cong_drops, nchan,
6105 A_TP_MIB_TNL_CNG_DROP_0, sleep_ok);
6106
6107 t4_tp_mib_read(adap, st->ofld_chan_drops, nchan,
6108 A_TP_MIB_OFD_CHN_DROP_0, sleep_ok);
6109
6110 t4_tp_mib_read(adap, st->tnl_tx_drops, nchan, A_TP_MIB_TNL_DROP_0,
6111 sleep_ok);
6112
6113 t4_tp_mib_read(adap, st->ofld_vlan_drops, nchan,
6114 A_TP_MIB_OFD_VLN_DROP_0, sleep_ok);
6115
6116 t4_tp_mib_read(adap, st->tcp6_in_errs, nchan,
6117 A_TP_MIB_TCP_V6IN_ERR_0, sleep_ok);
6118
6119 t4_tp_mib_read(adap, &st->ofld_no_neigh, 2, A_TP_MIB_OFD_ARP_DROP,
6120 sleep_ok);
6121 }
6122
6123 /**
6124 * t4_tp_get_err_stats - read TP's error MIB counters
6125 * @adap: the adapter
6126 * @st: holds the counter values
6127 * @sleep_ok: if true we may sleep while awaiting command completion
6128 *
6129 * Returns the values of TP's error counters.
6130 */
t4_tp_get_tnl_stats(struct adapter * adap,struct tp_tnl_stats * st,bool sleep_ok)6131 void t4_tp_get_tnl_stats(struct adapter *adap, struct tp_tnl_stats *st,
6132 bool sleep_ok)
6133 {
6134 int nchan = adap->chip_params->nchan;
6135
6136 t4_tp_mib_read(adap, st->out_pkt, nchan, A_TP_MIB_TNL_OUT_PKT_0,
6137 sleep_ok);
6138 t4_tp_mib_read(adap, st->in_pkt, nchan, A_TP_MIB_TNL_IN_PKT_0,
6139 sleep_ok);
6140 }
6141
6142 /**
6143 * t4_tp_get_proxy_stats - read TP's proxy MIB counters
6144 * @adap: the adapter
6145 * @st: holds the counter values
6146 *
6147 * Returns the values of TP's proxy counters.
6148 */
t4_tp_get_proxy_stats(struct adapter * adap,struct tp_proxy_stats * st,bool sleep_ok)6149 void t4_tp_get_proxy_stats(struct adapter *adap, struct tp_proxy_stats *st,
6150 bool sleep_ok)
6151 {
6152 int nchan = adap->chip_params->nchan;
6153
6154 t4_tp_mib_read(adap, st->proxy, nchan, A_TP_MIB_TNL_LPBK_0, sleep_ok);
6155 }
6156
6157 /**
6158 * t4_tp_get_cpl_stats - read TP's CPL MIB counters
6159 * @adap: the adapter
6160 * @st: holds the counter values
6161 * @sleep_ok: if true we may sleep while awaiting command completion
6162 *
6163 * Returns the values of TP's CPL counters.
6164 */
t4_tp_get_cpl_stats(struct adapter * adap,struct tp_cpl_stats * st,bool sleep_ok)6165 void t4_tp_get_cpl_stats(struct adapter *adap, struct tp_cpl_stats *st,
6166 bool sleep_ok)
6167 {
6168 int nchan = adap->chip_params->nchan;
6169
6170 t4_tp_mib_read(adap, st->req, nchan, A_TP_MIB_CPL_IN_REQ_0, sleep_ok);
6171
6172 t4_tp_mib_read(adap, st->rsp, nchan, A_TP_MIB_CPL_OUT_RSP_0, sleep_ok);
6173 }
6174
6175 /**
6176 * t4_tp_get_rdma_stats - read TP's RDMA MIB counters
6177 * @adap: the adapter
6178 * @st: holds the counter values
6179 *
6180 * Returns the values of TP's RDMA counters.
6181 */
t4_tp_get_rdma_stats(struct adapter * adap,struct tp_rdma_stats * st,bool sleep_ok)6182 void t4_tp_get_rdma_stats(struct adapter *adap, struct tp_rdma_stats *st,
6183 bool sleep_ok)
6184 {
6185 t4_tp_mib_read(adap, &st->rqe_dfr_pkt, 2, A_TP_MIB_RQE_DFR_PKT,
6186 sleep_ok);
6187 }
6188
6189 /**
6190 * t4_get_fcoe_stats - read TP's FCoE MIB counters for a port
6191 * @adap: the adapter
6192 * @idx: the port index
6193 * @st: holds the counter values
6194 * @sleep_ok: if true we may sleep while awaiting command completion
6195 *
6196 * Returns the values of TP's FCoE counters for the selected port.
6197 */
t4_get_fcoe_stats(struct adapter * adap,unsigned int idx,struct tp_fcoe_stats * st,bool sleep_ok)6198 void t4_get_fcoe_stats(struct adapter *adap, unsigned int idx,
6199 struct tp_fcoe_stats *st, bool sleep_ok)
6200 {
6201 u32 val[2];
6202
6203 t4_tp_mib_read(adap, &st->frames_ddp, 1, A_TP_MIB_FCOE_DDP_0 + idx,
6204 sleep_ok);
6205
6206 t4_tp_mib_read(adap, &st->frames_drop, 1,
6207 A_TP_MIB_FCOE_DROP_0 + idx, sleep_ok);
6208
6209 t4_tp_mib_read(adap, val, 2, A_TP_MIB_FCOE_BYTE_0_HI + 2 * idx,
6210 sleep_ok);
6211
6212 st->octets_ddp = ((u64)val[0] << 32) | val[1];
6213 }
6214
6215 /**
6216 * t4_get_usm_stats - read TP's non-TCP DDP MIB counters
6217 * @adap: the adapter
6218 * @st: holds the counter values
6219 * @sleep_ok: if true we may sleep while awaiting command completion
6220 *
6221 * Returns the values of TP's counters for non-TCP directly-placed packets.
6222 */
t4_get_usm_stats(struct adapter * adap,struct tp_usm_stats * st,bool sleep_ok)6223 void t4_get_usm_stats(struct adapter *adap, struct tp_usm_stats *st,
6224 bool sleep_ok)
6225 {
6226 u32 val[4];
6227
6228 t4_tp_mib_read(adap, val, 4, A_TP_MIB_USM_PKTS, sleep_ok);
6229
6230 st->frames = val[0];
6231 st->drops = val[1];
6232 st->octets = ((u64)val[2] << 32) | val[3];
6233 }
6234
6235 /**
6236 * t4_tp_get_tid_stats - read TP's tid MIB counters.
6237 * @adap: the adapter
6238 * @st: holds the counter values
6239 * @sleep_ok: if true we may sleep while awaiting command completion
6240 *
6241 * Returns the values of TP's counters for tids.
6242 */
t4_tp_get_tid_stats(struct adapter * adap,struct tp_tid_stats * st,bool sleep_ok)6243 void t4_tp_get_tid_stats(struct adapter *adap, struct tp_tid_stats *st,
6244 bool sleep_ok)
6245 {
6246
6247 t4_tp_mib_read(adap, &st->del, 4, A_TP_MIB_TID_DEL, sleep_ok);
6248 }
6249
6250 /**
6251 * t4_read_mtu_tbl - returns the values in the HW path MTU table
6252 * @adap: the adapter
6253 * @mtus: where to store the MTU values
6254 * @mtu_log: where to store the MTU base-2 log (may be %NULL)
6255 *
6256 * Reads the HW path MTU table.
6257 */
t4_read_mtu_tbl(struct adapter * adap,u16 * mtus,u8 * mtu_log)6258 void t4_read_mtu_tbl(struct adapter *adap, u16 *mtus, u8 *mtu_log)
6259 {
6260 u32 v;
6261 int i;
6262
6263 for (i = 0; i < NMTUS; ++i) {
6264 t4_write_reg(adap, A_TP_MTU_TABLE,
6265 V_MTUINDEX(0xff) | V_MTUVALUE(i));
6266 v = t4_read_reg(adap, A_TP_MTU_TABLE);
6267 mtus[i] = G_MTUVALUE(v);
6268 if (mtu_log)
6269 mtu_log[i] = G_MTUWIDTH(v);
6270 }
6271 }
6272
6273 /**
6274 * t4_read_cong_tbl - reads the congestion control table
6275 * @adap: the adapter
6276 * @incr: where to store the alpha values
6277 *
6278 * Reads the additive increments programmed into the HW congestion
6279 * control table.
6280 */
t4_read_cong_tbl(struct adapter * adap,u16 incr[NMTUS][NCCTRL_WIN])6281 void t4_read_cong_tbl(struct adapter *adap, u16 incr[NMTUS][NCCTRL_WIN])
6282 {
6283 unsigned int mtu, w;
6284
6285 for (mtu = 0; mtu < NMTUS; ++mtu)
6286 for (w = 0; w < NCCTRL_WIN; ++w) {
6287 t4_write_reg(adap, A_TP_CCTRL_TABLE,
6288 V_ROWINDEX(0xffff) | (mtu << 5) | w);
6289 incr[mtu][w] = (u16)t4_read_reg(adap,
6290 A_TP_CCTRL_TABLE) & 0x1fff;
6291 }
6292 }
6293
6294 /**
6295 * t4_tp_wr_bits_indirect - set/clear bits in an indirect TP register
6296 * @adap: the adapter
6297 * @addr: the indirect TP register address
6298 * @mask: specifies the field within the register to modify
6299 * @val: new value for the field
6300 *
6301 * Sets a field of an indirect TP register to the given value.
6302 */
t4_tp_wr_bits_indirect(struct adapter * adap,unsigned int addr,unsigned int mask,unsigned int val)6303 void t4_tp_wr_bits_indirect(struct adapter *adap, unsigned int addr,
6304 unsigned int mask, unsigned int val)
6305 {
6306 t4_write_reg(adap, A_TP_PIO_ADDR, addr);
6307 val |= t4_read_reg(adap, A_TP_PIO_DATA) & ~mask;
6308 t4_write_reg(adap, A_TP_PIO_DATA, val);
6309 }
6310
6311 /**
6312 * init_cong_ctrl - initialize congestion control parameters
6313 * @a: the alpha values for congestion control
6314 * @b: the beta values for congestion control
6315 *
6316 * Initialize the congestion control parameters.
6317 */
init_cong_ctrl(unsigned short * a,unsigned short * b)6318 static void init_cong_ctrl(unsigned short *a, unsigned short *b)
6319 {
6320 a[0] = a[1] = a[2] = a[3] = a[4] = a[5] = a[6] = a[7] = a[8] = 1;
6321 a[9] = 2;
6322 a[10] = 3;
6323 a[11] = 4;
6324 a[12] = 5;
6325 a[13] = 6;
6326 a[14] = 7;
6327 a[15] = 8;
6328 a[16] = 9;
6329 a[17] = 10;
6330 a[18] = 14;
6331 a[19] = 17;
6332 a[20] = 21;
6333 a[21] = 25;
6334 a[22] = 30;
6335 a[23] = 35;
6336 a[24] = 45;
6337 a[25] = 60;
6338 a[26] = 80;
6339 a[27] = 100;
6340 a[28] = 200;
6341 a[29] = 300;
6342 a[30] = 400;
6343 a[31] = 500;
6344
6345 b[0] = b[1] = b[2] = b[3] = b[4] = b[5] = b[6] = b[7] = b[8] = 0;
6346 b[9] = b[10] = 1;
6347 b[11] = b[12] = 2;
6348 b[13] = b[14] = b[15] = b[16] = 3;
6349 b[17] = b[18] = b[19] = b[20] = b[21] = 4;
6350 b[22] = b[23] = b[24] = b[25] = b[26] = b[27] = 5;
6351 b[28] = b[29] = 6;
6352 b[30] = b[31] = 7;
6353 }
6354
6355 /* The minimum additive increment value for the congestion control table */
6356 #define CC_MIN_INCR 2U
6357
6358 /**
6359 * t4_load_mtus - write the MTU and congestion control HW tables
6360 * @adap: the adapter
6361 * @mtus: the values for the MTU table
6362 * @alpha: the values for the congestion control alpha parameter
6363 * @beta: the values for the congestion control beta parameter
6364 *
6365 * Write the HW MTU table with the supplied MTUs and the high-speed
6366 * congestion control table with the supplied alpha, beta, and MTUs.
6367 * We write the two tables together because the additive increments
6368 * depend on the MTUs.
6369 */
t4_load_mtus(struct adapter * adap,const unsigned short * mtus,const unsigned short * alpha,const unsigned short * beta)6370 void t4_load_mtus(struct adapter *adap, const unsigned short *mtus,
6371 const unsigned short *alpha, const unsigned short *beta)
6372 {
6373 static const unsigned int avg_pkts[NCCTRL_WIN] = {
6374 2, 6, 10, 14, 20, 28, 40, 56, 80, 112, 160, 224, 320, 448, 640,
6375 896, 1281, 1792, 2560, 3584, 5120, 7168, 10240, 14336, 20480,
6376 28672, 40960, 57344, 81920, 114688, 163840, 229376
6377 };
6378
6379 unsigned int i, w;
6380
6381 for (i = 0; i < NMTUS; ++i) {
6382 unsigned int mtu = mtus[i];
6383 unsigned int log2 = fls(mtu);
6384
6385 if (!(mtu & ((1 << log2) >> 2))) /* round */
6386 log2--;
6387 t4_write_reg(adap, A_TP_MTU_TABLE, V_MTUINDEX(i) |
6388 V_MTUWIDTH(log2) | V_MTUVALUE(mtu));
6389
6390 for (w = 0; w < NCCTRL_WIN; ++w) {
6391 unsigned int inc;
6392
6393 inc = max(((mtu - 40) * alpha[w]) / avg_pkts[w],
6394 CC_MIN_INCR);
6395
6396 t4_write_reg(adap, A_TP_CCTRL_TABLE, (i << 21) |
6397 (w << 16) | (beta[w] << 13) | inc);
6398 }
6399 }
6400 }
6401
6402 /**
6403 * t4_set_pace_tbl - set the pace table
6404 * @adap: the adapter
6405 * @pace_vals: the pace values in microseconds
6406 * @start: index of the first entry in the HW pace table to set
6407 * @n: how many entries to set
6408 *
6409 * Sets (a subset of the) HW pace table.
6410 */
t4_set_pace_tbl(struct adapter * adap,const unsigned int * pace_vals,unsigned int start,unsigned int n)6411 int t4_set_pace_tbl(struct adapter *adap, const unsigned int *pace_vals,
6412 unsigned int start, unsigned int n)
6413 {
6414 unsigned int vals[NTX_SCHED], i;
6415 unsigned int tick_ns = dack_ticks_to_usec(adap, 1000);
6416
6417 if (n > NTX_SCHED)
6418 return -ERANGE;
6419
6420 /* convert values from us to dack ticks, rounding to closest value */
6421 for (i = 0; i < n; i++, pace_vals++) {
6422 vals[i] = (1000 * *pace_vals + tick_ns / 2) / tick_ns;
6423 if (vals[i] > 0x7ff)
6424 return -ERANGE;
6425 if (*pace_vals && vals[i] == 0)
6426 return -ERANGE;
6427 }
6428 for (i = 0; i < n; i++, start++)
6429 t4_write_reg(adap, A_TP_PACE_TABLE, (start << 16) | vals[i]);
6430 return 0;
6431 }
6432
6433 /**
6434 * t4_set_sched_bps - set the bit rate for a HW traffic scheduler
6435 * @adap: the adapter
6436 * @kbps: target rate in Kbps
6437 * @sched: the scheduler index
6438 *
6439 * Configure a Tx HW scheduler for the target rate.
6440 */
t4_set_sched_bps(struct adapter * adap,int sched,unsigned int kbps)6441 int t4_set_sched_bps(struct adapter *adap, int sched, unsigned int kbps)
6442 {
6443 unsigned int v, tps, cpt, bpt, delta, mindelta = ~0;
6444 unsigned int clk = adap->params.vpd.cclk * 1000;
6445 unsigned int selected_cpt = 0, selected_bpt = 0;
6446
6447 if (kbps > 0) {
6448 kbps *= 125; /* -> bytes */
6449 for (cpt = 1; cpt <= 255; cpt++) {
6450 tps = clk / cpt;
6451 bpt = (kbps + tps / 2) / tps;
6452 if (bpt > 0 && bpt <= 255) {
6453 v = bpt * tps;
6454 delta = v >= kbps ? v - kbps : kbps - v;
6455 if (delta < mindelta) {
6456 mindelta = delta;
6457 selected_cpt = cpt;
6458 selected_bpt = bpt;
6459 }
6460 } else if (selected_cpt)
6461 break;
6462 }
6463 if (!selected_cpt)
6464 return -EINVAL;
6465 }
6466 t4_write_reg(adap, A_TP_TM_PIO_ADDR,
6467 A_TP_TX_MOD_Q1_Q0_RATE_LIMIT - sched / 2);
6468 v = t4_read_reg(adap, A_TP_TM_PIO_DATA);
6469 if (sched & 1)
6470 v = (v & 0xffff) | (selected_cpt << 16) | (selected_bpt << 24);
6471 else
6472 v = (v & 0xffff0000) | selected_cpt | (selected_bpt << 8);
6473 t4_write_reg(adap, A_TP_TM_PIO_DATA, v);
6474 return 0;
6475 }
6476
6477 /**
6478 * t4_set_sched_ipg - set the IPG for a Tx HW packet rate scheduler
6479 * @adap: the adapter
6480 * @sched: the scheduler index
6481 * @ipg: the interpacket delay in tenths of nanoseconds
6482 *
6483 * Set the interpacket delay for a HW packet rate scheduler.
6484 */
t4_set_sched_ipg(struct adapter * adap,int sched,unsigned int ipg)6485 int t4_set_sched_ipg(struct adapter *adap, int sched, unsigned int ipg)
6486 {
6487 unsigned int v, addr = A_TP_TX_MOD_Q1_Q0_TIMER_SEPARATOR - sched / 2;
6488
6489 /* convert ipg to nearest number of core clocks */
6490 ipg *= core_ticks_per_usec(adap);
6491 ipg = (ipg + 5000) / 10000;
6492 if (ipg > M_TXTIMERSEPQ0)
6493 return -EINVAL;
6494
6495 t4_write_reg(adap, A_TP_TM_PIO_ADDR, addr);
6496 v = t4_read_reg(adap, A_TP_TM_PIO_DATA);
6497 if (sched & 1)
6498 v = (v & V_TXTIMERSEPQ0(M_TXTIMERSEPQ0)) | V_TXTIMERSEPQ1(ipg);
6499 else
6500 v = (v & V_TXTIMERSEPQ1(M_TXTIMERSEPQ1)) | V_TXTIMERSEPQ0(ipg);
6501 t4_write_reg(adap, A_TP_TM_PIO_DATA, v);
6502 t4_read_reg(adap, A_TP_TM_PIO_DATA);
6503 return 0;
6504 }
6505
6506 /*
6507 * Calculates a rate in bytes/s given the number of 256-byte units per 4K core
6508 * clocks. The formula is
6509 *
6510 * bytes/s = bytes256 * 256 * ClkFreq / 4096
6511 *
6512 * which is equivalent to
6513 *
6514 * bytes/s = 62.5 * bytes256 * ClkFreq_ms
6515 */
chan_rate(struct adapter * adap,unsigned int bytes256)6516 static u64 chan_rate(struct adapter *adap, unsigned int bytes256)
6517 {
6518 u64 v = (u64)bytes256 * adap->params.vpd.cclk;
6519
6520 return v * 62 + v / 2;
6521 }
6522
6523 /**
6524 * t4_get_chan_txrate - get the current per channel Tx rates
6525 * @adap: the adapter
6526 * @nic_rate: rates for NIC traffic
6527 * @ofld_rate: rates for offloaded traffic
6528 *
6529 * Return the current Tx rates in bytes/s for NIC and offloaded traffic
6530 * for each channel.
6531 */
t4_get_chan_txrate(struct adapter * adap,u64 * nic_rate,u64 * ofld_rate)6532 void t4_get_chan_txrate(struct adapter *adap, u64 *nic_rate, u64 *ofld_rate)
6533 {
6534 u32 v;
6535
6536 v = t4_read_reg(adap, A_TP_TX_TRATE);
6537 nic_rate[0] = chan_rate(adap, G_TNLRATE0(v));
6538 nic_rate[1] = chan_rate(adap, G_TNLRATE1(v));
6539 if (adap->chip_params->nchan > 2) {
6540 nic_rate[2] = chan_rate(adap, G_TNLRATE2(v));
6541 nic_rate[3] = chan_rate(adap, G_TNLRATE3(v));
6542 }
6543
6544 v = t4_read_reg(adap, A_TP_TX_ORATE);
6545 ofld_rate[0] = chan_rate(adap, G_OFDRATE0(v));
6546 ofld_rate[1] = chan_rate(adap, G_OFDRATE1(v));
6547 if (adap->chip_params->nchan > 2) {
6548 ofld_rate[2] = chan_rate(adap, G_OFDRATE2(v));
6549 ofld_rate[3] = chan_rate(adap, G_OFDRATE3(v));
6550 }
6551 }
6552
6553 /**
6554 * t4_set_trace_filter - configure one of the tracing filters
6555 * @adap: the adapter
6556 * @tp: the desired trace filter parameters
6557 * @idx: which filter to configure
6558 * @enable: whether to enable or disable the filter
6559 *
6560 * Configures one of the tracing filters available in HW. If @tp is %NULL
6561 * it indicates that the filter is already written in the register and it
6562 * just needs to be enabled or disabled.
6563 */
t4_set_trace_filter(struct adapter * adap,const struct trace_params * tp,int idx,int enable)6564 int t4_set_trace_filter(struct adapter *adap, const struct trace_params *tp,
6565 int idx, int enable)
6566 {
6567 int i, ofst = idx * 4;
6568 u32 data_reg, mask_reg, cfg;
6569 u32 en = is_t4(adap) ? F_TFEN : F_T5_TFEN;
6570
6571 if (idx < 0 || idx >= NTRACE)
6572 return -EINVAL;
6573
6574 if (tp == NULL || !enable) {
6575 t4_set_reg_field(adap, A_MPS_TRC_FILTER_MATCH_CTL_A + ofst, en,
6576 enable ? en : 0);
6577 return 0;
6578 }
6579
6580 /*
6581 * TODO - After T4 data book is updated, specify the exact
6582 * section below.
6583 *
6584 * See T4 data book - MPS section for a complete description
6585 * of the below if..else handling of A_MPS_TRC_CFG register
6586 * value.
6587 */
6588 cfg = t4_read_reg(adap, A_MPS_TRC_CFG);
6589 if (cfg & F_TRCMULTIFILTER) {
6590 /*
6591 * If multiple tracers are enabled, then maximum
6592 * capture size is 2.5KB (FIFO size of a single channel)
6593 * minus 2 flits for CPL_TRACE_PKT header.
6594 */
6595 if (tp->snap_len > ((10 * 1024 / 4) - (2 * 8)))
6596 return -EINVAL;
6597 } else {
6598 /*
6599 * If multiple tracers are disabled, to avoid deadlocks
6600 * maximum packet capture size of 9600 bytes is recommended.
6601 * Also in this mode, only trace0 can be enabled and running.
6602 */
6603 if (tp->snap_len > 9600 || idx)
6604 return -EINVAL;
6605 }
6606
6607 if (tp->port > (is_t4(adap) ? 11 : 19) || tp->invert > 1 ||
6608 tp->skip_len > M_TFLENGTH || tp->skip_ofst > M_TFOFFSET ||
6609 tp->min_len > M_TFMINPKTSIZE)
6610 return -EINVAL;
6611
6612 /* stop the tracer we'll be changing */
6613 t4_set_reg_field(adap, A_MPS_TRC_FILTER_MATCH_CTL_A + ofst, en, 0);
6614
6615 idx *= (A_MPS_TRC_FILTER1_MATCH - A_MPS_TRC_FILTER0_MATCH);
6616 data_reg = A_MPS_TRC_FILTER0_MATCH + idx;
6617 mask_reg = A_MPS_TRC_FILTER0_DONT_CARE + idx;
6618
6619 for (i = 0; i < TRACE_LEN / 4; i++, data_reg += 4, mask_reg += 4) {
6620 t4_write_reg(adap, data_reg, tp->data[i]);
6621 t4_write_reg(adap, mask_reg, ~tp->mask[i]);
6622 }
6623 t4_write_reg(adap, A_MPS_TRC_FILTER_MATCH_CTL_B + ofst,
6624 V_TFCAPTUREMAX(tp->snap_len) |
6625 V_TFMINPKTSIZE(tp->min_len));
6626 t4_write_reg(adap, A_MPS_TRC_FILTER_MATCH_CTL_A + ofst,
6627 V_TFOFFSET(tp->skip_ofst) | V_TFLENGTH(tp->skip_len) | en |
6628 (is_t4(adap) ?
6629 V_TFPORT(tp->port) | V_TFINVERTMATCH(tp->invert) :
6630 V_T5_TFPORT(tp->port) | V_T5_TFINVERTMATCH(tp->invert)));
6631
6632 return 0;
6633 }
6634
6635 /**
6636 * t4_get_trace_filter - query one of the tracing filters
6637 * @adap: the adapter
6638 * @tp: the current trace filter parameters
6639 * @idx: which trace filter to query
6640 * @enabled: non-zero if the filter is enabled
6641 *
6642 * Returns the current settings of one of the HW tracing filters.
6643 */
t4_get_trace_filter(struct adapter * adap,struct trace_params * tp,int idx,int * enabled)6644 void t4_get_trace_filter(struct adapter *adap, struct trace_params *tp, int idx,
6645 int *enabled)
6646 {
6647 u32 ctla, ctlb;
6648 int i, ofst = idx * 4;
6649 u32 data_reg, mask_reg;
6650
6651 ctla = t4_read_reg(adap, A_MPS_TRC_FILTER_MATCH_CTL_A + ofst);
6652 ctlb = t4_read_reg(adap, A_MPS_TRC_FILTER_MATCH_CTL_B + ofst);
6653
6654 if (is_t4(adap)) {
6655 *enabled = !!(ctla & F_TFEN);
6656 tp->port = G_TFPORT(ctla);
6657 tp->invert = !!(ctla & F_TFINVERTMATCH);
6658 } else {
6659 *enabled = !!(ctla & F_T5_TFEN);
6660 tp->port = G_T5_TFPORT(ctla);
6661 tp->invert = !!(ctla & F_T5_TFINVERTMATCH);
6662 }
6663 tp->snap_len = G_TFCAPTUREMAX(ctlb);
6664 tp->min_len = G_TFMINPKTSIZE(ctlb);
6665 tp->skip_ofst = G_TFOFFSET(ctla);
6666 tp->skip_len = G_TFLENGTH(ctla);
6667
6668 ofst = (A_MPS_TRC_FILTER1_MATCH - A_MPS_TRC_FILTER0_MATCH) * idx;
6669 data_reg = A_MPS_TRC_FILTER0_MATCH + ofst;
6670 mask_reg = A_MPS_TRC_FILTER0_DONT_CARE + ofst;
6671
6672 for (i = 0; i < TRACE_LEN / 4; i++, data_reg += 4, mask_reg += 4) {
6673 tp->mask[i] = ~t4_read_reg(adap, mask_reg);
6674 tp->data[i] = t4_read_reg(adap, data_reg) & tp->mask[i];
6675 }
6676 }
6677
6678 /**
6679 * t4_pmtx_get_stats - returns the HW stats from PMTX
6680 * @adap: the adapter
6681 * @cnt: where to store the count statistics
6682 * @cycles: where to store the cycle statistics
6683 *
6684 * Returns performance statistics from PMTX.
6685 */
t4_pmtx_get_stats(struct adapter * adap,u32 cnt[],u64 cycles[])6686 void t4_pmtx_get_stats(struct adapter *adap, u32 cnt[], u64 cycles[])
6687 {
6688 int i;
6689 u32 data[2];
6690
6691 for (i = 0; i < adap->chip_params->pm_stats_cnt; i++) {
6692 t4_write_reg(adap, A_PM_TX_STAT_CONFIG, i + 1);
6693 cnt[i] = t4_read_reg(adap, A_PM_TX_STAT_COUNT);
6694 if (is_t4(adap))
6695 cycles[i] = t4_read_reg64(adap, A_PM_TX_STAT_LSB);
6696 else {
6697 t4_read_indirect(adap, A_PM_TX_DBG_CTRL,
6698 A_PM_TX_DBG_DATA, data, 2,
6699 A_PM_TX_DBG_STAT_MSB);
6700 cycles[i] = (((u64)data[0] << 32) | data[1]);
6701 }
6702 }
6703 }
6704
6705 /**
6706 * t4_pmrx_get_stats - returns the HW stats from PMRX
6707 * @adap: the adapter
6708 * @cnt: where to store the count statistics
6709 * @cycles: where to store the cycle statistics
6710 *
6711 * Returns performance statistics from PMRX.
6712 */
t4_pmrx_get_stats(struct adapter * adap,u32 cnt[],u64 cycles[])6713 void t4_pmrx_get_stats(struct adapter *adap, u32 cnt[], u64 cycles[])
6714 {
6715 int i;
6716 u32 data[2];
6717
6718 for (i = 0; i < adap->chip_params->pm_stats_cnt; i++) {
6719 t4_write_reg(adap, A_PM_RX_STAT_CONFIG, i + 1);
6720 cnt[i] = t4_read_reg(adap, A_PM_RX_STAT_COUNT);
6721 if (is_t4(adap)) {
6722 cycles[i] = t4_read_reg64(adap, A_PM_RX_STAT_LSB);
6723 } else {
6724 t4_read_indirect(adap, A_PM_RX_DBG_CTRL,
6725 A_PM_RX_DBG_DATA, data, 2,
6726 A_PM_RX_DBG_STAT_MSB);
6727 cycles[i] = (((u64)data[0] << 32) | data[1]);
6728 }
6729 }
6730 }
6731
6732 /**
6733 * t4_get_mps_bg_map - return the buffer groups associated with a port
6734 * @adap: the adapter
6735 * @idx: the port index
6736 *
6737 * Returns a bitmap indicating which MPS buffer groups are associated
6738 * with the given port. Bit i is set if buffer group i is used by the
6739 * port.
6740 */
t4_get_mps_bg_map(struct adapter * adap,int idx)6741 static unsigned int t4_get_mps_bg_map(struct adapter *adap, int idx)
6742 {
6743 u32 n;
6744
6745 if (adap->params.mps_bg_map != UINT32_MAX)
6746 return ((adap->params.mps_bg_map >> (idx << 3)) & 0xff);
6747
6748 n = adap->params.nports;
6749 MPASS(n > 0 && n <= MAX_NPORTS);
6750 if (n == 1)
6751 return idx == 0 ? 0xf : 0;
6752 if (n == 2 && chip_id(adap) <= CHELSIO_T5)
6753 return idx < 2 ? (3 << (2 * idx)) : 0;
6754 return 1 << idx;
6755 }
6756
6757 /*
6758 * TP RX e-channels associated with the port.
6759 */
t4_get_rx_e_chan_map(struct adapter * adap,int idx)6760 static unsigned int t4_get_rx_e_chan_map(struct adapter *adap, int idx)
6761 {
6762 const u32 n = adap->params.nports;
6763 const u32 all_chan = (1 << adap->chip_params->nchan) - 1;
6764
6765 if (n == 1)
6766 return idx == 0 ? all_chan : 0;
6767 if (n == 2 && chip_id(adap) <= CHELSIO_T5)
6768 return idx < 2 ? (3 << (2 * idx)) : 0;
6769 return 1 << idx;
6770 }
6771
6772 /*
6773 * TP RX c-channel associated with the port.
6774 */
t4_get_rx_c_chan(struct adapter * adap,int idx)6775 static unsigned int t4_get_rx_c_chan(struct adapter *adap, int idx)
6776 {
6777 if (adap->params.tp_ch_map != UINT32_MAX)
6778 return (adap->params.tp_ch_map >> (8 * idx)) & 0xff;
6779 return 0;
6780 }
6781
6782 /*
6783 * TP TX c-channel associated with the port.
6784 */
t4_get_tx_c_chan(struct adapter * adap,int idx)6785 static unsigned int t4_get_tx_c_chan(struct adapter *adap, int idx)
6786 {
6787 return idx;
6788 }
6789
6790 /**
6791 * t4_get_port_type_description - return Port Type string description
6792 * @port_type: firmware Port Type enumeration
6793 */
t4_get_port_type_description(enum fw_port_type port_type)6794 const char *t4_get_port_type_description(enum fw_port_type port_type)
6795 {
6796 static const char *const port_type_description[] = {
6797 "Fiber_XFI",
6798 "Fiber_XAUI",
6799 "BT_SGMII",
6800 "BT_XFI",
6801 "BT_XAUI",
6802 "KX4",
6803 "CX4",
6804 "KX",
6805 "KR",
6806 "SFP",
6807 "BP_AP",
6808 "BP4_AP",
6809 "QSFP_10G",
6810 "QSA",
6811 "QSFP",
6812 "BP40_BA",
6813 "KR4_100G",
6814 "CR4_QSFP",
6815 "CR_QSFP",
6816 "CR2_QSFP",
6817 "SFP28",
6818 "KR_SFP28",
6819 "KR_XLAUI",
6820 };
6821
6822 if (port_type < ARRAY_SIZE(port_type_description))
6823 return port_type_description[port_type];
6824 return "UNKNOWN";
6825 }
6826
6827 /**
6828 * t4_get_port_stats_offset - collect port stats relative to a previous
6829 * snapshot
6830 * @adap: The adapter
6831 * @idx: The port
6832 * @stats: Current stats to fill
6833 * @offset: Previous stats snapshot
6834 */
t4_get_port_stats_offset(struct adapter * adap,int idx,struct port_stats * stats,struct port_stats * offset)6835 void t4_get_port_stats_offset(struct adapter *adap, int idx,
6836 struct port_stats *stats,
6837 struct port_stats *offset)
6838 {
6839 u64 *s, *o;
6840 int i;
6841
6842 t4_get_port_stats(adap, idx, stats);
6843 for (i = 0, s = (u64 *)stats, o = (u64 *)offset ;
6844 i < (sizeof(struct port_stats)/sizeof(u64)) ;
6845 i++, s++, o++)
6846 *s -= *o;
6847 }
6848
6849 /**
6850 * t4_get_port_stats - collect port statistics
6851 * @adap: the adapter
6852 * @idx: the port index
6853 * @p: the stats structure to fill
6854 *
6855 * Collect statistics related to the given port from HW.
6856 */
t4_get_port_stats(struct adapter * adap,int idx,struct port_stats * p)6857 void t4_get_port_stats(struct adapter *adap, int idx, struct port_stats *p)
6858 {
6859 struct port_info *pi = adap->port[idx];
6860 u32 bgmap = pi->mps_bg_map;
6861 u32 stat_ctl = t4_read_reg(adap, A_MPS_STAT_CTL);
6862
6863 #define GET_STAT(name) \
6864 t4_read_reg64(adap, \
6865 t4_port_reg(adap, pi->tx_chan, A_MPS_PORT_STAT_##name##_L));
6866 #define GET_STAT_COM(name) t4_read_reg64(adap, A_MPS_STAT_##name##_L)
6867
6868 p->tx_pause = GET_STAT(TX_PORT_PAUSE);
6869 p->tx_octets = GET_STAT(TX_PORT_BYTES);
6870 p->tx_frames = GET_STAT(TX_PORT_FRAMES);
6871 p->tx_bcast_frames = GET_STAT(TX_PORT_BCAST);
6872 p->tx_mcast_frames = GET_STAT(TX_PORT_MCAST);
6873 p->tx_ucast_frames = GET_STAT(TX_PORT_UCAST);
6874 p->tx_error_frames = GET_STAT(TX_PORT_ERROR);
6875 p->tx_frames_64 = GET_STAT(TX_PORT_64B);
6876 p->tx_frames_65_127 = GET_STAT(TX_PORT_65B_127B);
6877 p->tx_frames_128_255 = GET_STAT(TX_PORT_128B_255B);
6878 p->tx_frames_256_511 = GET_STAT(TX_PORT_256B_511B);
6879 p->tx_frames_512_1023 = GET_STAT(TX_PORT_512B_1023B);
6880 p->tx_frames_1024_1518 = GET_STAT(TX_PORT_1024B_1518B);
6881 p->tx_frames_1519_max = GET_STAT(TX_PORT_1519B_MAX);
6882 p->tx_drop = GET_STAT(TX_PORT_DROP);
6883 p->tx_ppp0 = GET_STAT(TX_PORT_PPP0);
6884 p->tx_ppp1 = GET_STAT(TX_PORT_PPP1);
6885 p->tx_ppp2 = GET_STAT(TX_PORT_PPP2);
6886 p->tx_ppp3 = GET_STAT(TX_PORT_PPP3);
6887 p->tx_ppp4 = GET_STAT(TX_PORT_PPP4);
6888 p->tx_ppp5 = GET_STAT(TX_PORT_PPP5);
6889 p->tx_ppp6 = GET_STAT(TX_PORT_PPP6);
6890 p->tx_ppp7 = GET_STAT(TX_PORT_PPP7);
6891
6892 if (chip_id(adap) >= CHELSIO_T5) {
6893 if (stat_ctl & F_COUNTPAUSESTATTX) {
6894 p->tx_frames -= p->tx_pause;
6895 p->tx_octets -= p->tx_pause * 64;
6896 }
6897 if (stat_ctl & F_COUNTPAUSEMCTX)
6898 p->tx_mcast_frames -= p->tx_pause;
6899 }
6900
6901 p->rx_pause = GET_STAT(RX_PORT_PAUSE);
6902 p->rx_octets = GET_STAT(RX_PORT_BYTES);
6903 p->rx_frames = GET_STAT(RX_PORT_FRAMES);
6904 p->rx_bcast_frames = GET_STAT(RX_PORT_BCAST);
6905 p->rx_mcast_frames = GET_STAT(RX_PORT_MCAST);
6906 p->rx_ucast_frames = GET_STAT(RX_PORT_UCAST);
6907 p->rx_too_long = GET_STAT(RX_PORT_MTU_ERROR);
6908 p->rx_jabber = GET_STAT(RX_PORT_MTU_CRC_ERROR);
6909 p->rx_len_err = GET_STAT(RX_PORT_LEN_ERROR);
6910 p->rx_symbol_err = GET_STAT(RX_PORT_SYM_ERROR);
6911 p->rx_runt = GET_STAT(RX_PORT_LESS_64B);
6912 p->rx_frames_64 = GET_STAT(RX_PORT_64B);
6913 p->rx_frames_65_127 = GET_STAT(RX_PORT_65B_127B);
6914 p->rx_frames_128_255 = GET_STAT(RX_PORT_128B_255B);
6915 p->rx_frames_256_511 = GET_STAT(RX_PORT_256B_511B);
6916 p->rx_frames_512_1023 = GET_STAT(RX_PORT_512B_1023B);
6917 p->rx_frames_1024_1518 = GET_STAT(RX_PORT_1024B_1518B);
6918 p->rx_frames_1519_max = GET_STAT(RX_PORT_1519B_MAX);
6919 p->rx_ppp0 = GET_STAT(RX_PORT_PPP0);
6920 p->rx_ppp1 = GET_STAT(RX_PORT_PPP1);
6921 p->rx_ppp2 = GET_STAT(RX_PORT_PPP2);
6922 p->rx_ppp3 = GET_STAT(RX_PORT_PPP3);
6923 p->rx_ppp4 = GET_STAT(RX_PORT_PPP4);
6924 p->rx_ppp5 = GET_STAT(RX_PORT_PPP5);
6925 p->rx_ppp6 = GET_STAT(RX_PORT_PPP6);
6926 p->rx_ppp7 = GET_STAT(RX_PORT_PPP7);
6927
6928 if (pi->fcs_reg != -1)
6929 p->rx_fcs_err = t4_read_reg64(adap, pi->fcs_reg) - pi->fcs_base;
6930
6931 if (chip_id(adap) >= CHELSIO_T5) {
6932 if (stat_ctl & F_COUNTPAUSESTATRX) {
6933 p->rx_frames -= p->rx_pause;
6934 p->rx_octets -= p->rx_pause * 64;
6935 }
6936 if (stat_ctl & F_COUNTPAUSEMCRX)
6937 p->rx_mcast_frames -= p->rx_pause;
6938 }
6939
6940 p->rx_ovflow0 = (bgmap & 1) ? GET_STAT_COM(RX_BG_0_MAC_DROP_FRAME) : 0;
6941 p->rx_ovflow1 = (bgmap & 2) ? GET_STAT_COM(RX_BG_1_MAC_DROP_FRAME) : 0;
6942 p->rx_ovflow2 = (bgmap & 4) ? GET_STAT_COM(RX_BG_2_MAC_DROP_FRAME) : 0;
6943 p->rx_ovflow3 = (bgmap & 8) ? GET_STAT_COM(RX_BG_3_MAC_DROP_FRAME) : 0;
6944 p->rx_trunc0 = (bgmap & 1) ? GET_STAT_COM(RX_BG_0_MAC_TRUNC_FRAME) : 0;
6945 p->rx_trunc1 = (bgmap & 2) ? GET_STAT_COM(RX_BG_1_MAC_TRUNC_FRAME) : 0;
6946 p->rx_trunc2 = (bgmap & 4) ? GET_STAT_COM(RX_BG_2_MAC_TRUNC_FRAME) : 0;
6947 p->rx_trunc3 = (bgmap & 8) ? GET_STAT_COM(RX_BG_3_MAC_TRUNC_FRAME) : 0;
6948
6949 #undef GET_STAT
6950 #undef GET_STAT_COM
6951 }
6952
6953 /**
6954 * t4_get_lb_stats - collect loopback port statistics
6955 * @adap: the adapter
6956 * @idx: the loopback port index
6957 * @p: the stats structure to fill
6958 *
6959 * Return HW statistics for the given loopback port.
6960 */
t4_get_lb_stats(struct adapter * adap,int idx,struct lb_port_stats * p)6961 void t4_get_lb_stats(struct adapter *adap, int idx, struct lb_port_stats *p)
6962 {
6963
6964 #define GET_STAT(name) \
6965 t4_read_reg64(adap, \
6966 t4_port_reg(adap, idx, A_MPS_PORT_STAT_LB_PORT_##name##_L))
6967 #define GET_STAT_COM(name) t4_read_reg64(adap, A_MPS_STAT_##name##_L)
6968
6969 p->octets = GET_STAT(BYTES);
6970 p->frames = GET_STAT(FRAMES);
6971 p->bcast_frames = GET_STAT(BCAST);
6972 p->mcast_frames = GET_STAT(MCAST);
6973 p->ucast_frames = GET_STAT(UCAST);
6974 p->error_frames = GET_STAT(ERROR);
6975
6976 p->frames_64 = GET_STAT(64B);
6977 p->frames_65_127 = GET_STAT(65B_127B);
6978 p->frames_128_255 = GET_STAT(128B_255B);
6979 p->frames_256_511 = GET_STAT(256B_511B);
6980 p->frames_512_1023 = GET_STAT(512B_1023B);
6981 p->frames_1024_1518 = GET_STAT(1024B_1518B);
6982 p->frames_1519_max = GET_STAT(1519B_MAX);
6983 p->drop = GET_STAT(DROP_FRAMES);
6984
6985 if (idx < adap->params.nports) {
6986 u32 bg = adap2pinfo(adap, idx)->mps_bg_map;
6987
6988 p->ovflow0 = (bg & 1) ? GET_STAT_COM(RX_BG_0_LB_DROP_FRAME) : 0;
6989 p->ovflow1 = (bg & 2) ? GET_STAT_COM(RX_BG_1_LB_DROP_FRAME) : 0;
6990 p->ovflow2 = (bg & 4) ? GET_STAT_COM(RX_BG_2_LB_DROP_FRAME) : 0;
6991 p->ovflow3 = (bg & 8) ? GET_STAT_COM(RX_BG_3_LB_DROP_FRAME) : 0;
6992 p->trunc0 = (bg & 1) ? GET_STAT_COM(RX_BG_0_LB_TRUNC_FRAME) : 0;
6993 p->trunc1 = (bg & 2) ? GET_STAT_COM(RX_BG_1_LB_TRUNC_FRAME) : 0;
6994 p->trunc2 = (bg & 4) ? GET_STAT_COM(RX_BG_2_LB_TRUNC_FRAME) : 0;
6995 p->trunc3 = (bg & 8) ? GET_STAT_COM(RX_BG_3_LB_TRUNC_FRAME) : 0;
6996 }
6997
6998 #undef GET_STAT
6999 #undef GET_STAT_COM
7000 }
7001
7002 /**
7003 * t4_wol_magic_enable - enable/disable magic packet WoL
7004 * @adap: the adapter
7005 * @port: the physical port index
7006 * @addr: MAC address expected in magic packets, %NULL to disable
7007 *
7008 * Enables/disables magic packet wake-on-LAN for the selected port.
7009 */
t4_wol_magic_enable(struct adapter * adap,unsigned int port,const u8 * addr)7010 void t4_wol_magic_enable(struct adapter *adap, unsigned int port,
7011 const u8 *addr)
7012 {
7013 u32 mag_id_reg_l, mag_id_reg_h, port_cfg_reg;
7014
7015 if (is_t4(adap)) {
7016 mag_id_reg_l = PORT_REG(port, A_XGMAC_PORT_MAGIC_MACID_LO);
7017 mag_id_reg_h = PORT_REG(port, A_XGMAC_PORT_MAGIC_MACID_HI);
7018 port_cfg_reg = PORT_REG(port, A_XGMAC_PORT_CFG2);
7019 } else {
7020 mag_id_reg_l = T5_PORT_REG(port, A_MAC_PORT_MAGIC_MACID_LO);
7021 mag_id_reg_h = T5_PORT_REG(port, A_MAC_PORT_MAGIC_MACID_HI);
7022 port_cfg_reg = T5_PORT_REG(port, A_MAC_PORT_CFG2);
7023 }
7024
7025 if (addr) {
7026 t4_write_reg(adap, mag_id_reg_l,
7027 (addr[2] << 24) | (addr[3] << 16) |
7028 (addr[4] << 8) | addr[5]);
7029 t4_write_reg(adap, mag_id_reg_h,
7030 (addr[0] << 8) | addr[1]);
7031 }
7032 t4_set_reg_field(adap, port_cfg_reg, F_MAGICEN,
7033 V_MAGICEN(addr != NULL));
7034 }
7035
7036 /**
7037 * t4_wol_pat_enable - enable/disable pattern-based WoL
7038 * @adap: the adapter
7039 * @port: the physical port index
7040 * @map: bitmap of which HW pattern filters to set
7041 * @mask0: byte mask for bytes 0-63 of a packet
7042 * @mask1: byte mask for bytes 64-127 of a packet
7043 * @crc: Ethernet CRC for selected bytes
7044 * @enable: enable/disable switch
7045 *
7046 * Sets the pattern filters indicated in @map to mask out the bytes
7047 * specified in @mask0/@mask1 in received packets and compare the CRC of
7048 * the resulting packet against @crc. If @enable is %true pattern-based
7049 * WoL is enabled, otherwise disabled.
7050 */
t4_wol_pat_enable(struct adapter * adap,unsigned int port,unsigned int map,u64 mask0,u64 mask1,unsigned int crc,bool enable)7051 int t4_wol_pat_enable(struct adapter *adap, unsigned int port, unsigned int map,
7052 u64 mask0, u64 mask1, unsigned int crc, bool enable)
7053 {
7054 int i;
7055 u32 port_cfg_reg;
7056
7057 if (is_t4(adap))
7058 port_cfg_reg = PORT_REG(port, A_XGMAC_PORT_CFG2);
7059 else
7060 port_cfg_reg = T5_PORT_REG(port, A_MAC_PORT_CFG2);
7061
7062 if (!enable) {
7063 t4_set_reg_field(adap, port_cfg_reg, F_PATEN, 0);
7064 return 0;
7065 }
7066 if (map > 0xff)
7067 return -EINVAL;
7068
7069 #define EPIO_REG(name) \
7070 (is_t4(adap) ? PORT_REG(port, A_XGMAC_PORT_EPIO_##name) : \
7071 T5_PORT_REG(port, A_MAC_PORT_EPIO_##name))
7072
7073 t4_write_reg(adap, EPIO_REG(DATA1), mask0 >> 32);
7074 t4_write_reg(adap, EPIO_REG(DATA2), mask1);
7075 t4_write_reg(adap, EPIO_REG(DATA3), mask1 >> 32);
7076
7077 for (i = 0; i < NWOL_PAT; i++, map >>= 1) {
7078 if (!(map & 1))
7079 continue;
7080
7081 /* write byte masks */
7082 t4_write_reg(adap, EPIO_REG(DATA0), mask0);
7083 t4_write_reg(adap, EPIO_REG(OP), V_ADDRESS(i) | F_EPIOWR);
7084 t4_read_reg(adap, EPIO_REG(OP)); /* flush */
7085 if (t4_read_reg(adap, EPIO_REG(OP)) & F_BUSY)
7086 return -ETIMEDOUT;
7087
7088 /* write CRC */
7089 t4_write_reg(adap, EPIO_REG(DATA0), crc);
7090 t4_write_reg(adap, EPIO_REG(OP), V_ADDRESS(i + 32) | F_EPIOWR);
7091 t4_read_reg(adap, EPIO_REG(OP)); /* flush */
7092 if (t4_read_reg(adap, EPIO_REG(OP)) & F_BUSY)
7093 return -ETIMEDOUT;
7094 }
7095 #undef EPIO_REG
7096
7097 t4_set_reg_field(adap, port_cfg_reg, 0, F_PATEN);
7098 return 0;
7099 }
7100
7101 /* t4_mk_filtdelwr - create a delete filter WR
7102 * @ftid: the filter ID
7103 * @wr: the filter work request to populate
7104 * @qid: ingress queue to receive the delete notification
7105 *
7106 * Creates a filter work request to delete the supplied filter. If @qid is
7107 * negative the delete notification is suppressed.
7108 */
t4_mk_filtdelwr(unsigned int ftid,struct fw_filter_wr * wr,int qid)7109 void t4_mk_filtdelwr(unsigned int ftid, struct fw_filter_wr *wr, int qid)
7110 {
7111 memset(wr, 0, sizeof(*wr));
7112 wr->op_pkd = cpu_to_be32(V_FW_WR_OP(FW_FILTER_WR));
7113 wr->len16_pkd = cpu_to_be32(V_FW_WR_LEN16(sizeof(*wr) / 16));
7114 wr->tid_to_iq = cpu_to_be32(V_FW_FILTER_WR_TID(ftid) |
7115 V_FW_FILTER_WR_NOREPLY(qid < 0));
7116 wr->del_filter_to_l2tix = cpu_to_be32(F_FW_FILTER_WR_DEL_FILTER);
7117 if (qid >= 0)
7118 wr->rx_chan_rx_rpl_iq =
7119 cpu_to_be16(V_FW_FILTER_WR_RX_RPL_IQ(qid));
7120 }
7121
7122 #define INIT_CMD(var, cmd, rd_wr) do { \
7123 (var).op_to_write = cpu_to_be32(V_FW_CMD_OP(FW_##cmd##_CMD) | \
7124 F_FW_CMD_REQUEST | \
7125 F_FW_CMD_##rd_wr); \
7126 (var).retval_len16 = cpu_to_be32(FW_LEN16(var)); \
7127 } while (0)
7128
t4_fwaddrspace_write(struct adapter * adap,unsigned int mbox,u32 addr,u32 val)7129 int t4_fwaddrspace_write(struct adapter *adap, unsigned int mbox,
7130 u32 addr, u32 val)
7131 {
7132 u32 ldst_addrspace;
7133 struct fw_ldst_cmd c;
7134
7135 memset(&c, 0, sizeof(c));
7136 ldst_addrspace = V_FW_LDST_CMD_ADDRSPACE(FW_LDST_ADDRSPC_FIRMWARE);
7137 c.op_to_addrspace = cpu_to_be32(V_FW_CMD_OP(FW_LDST_CMD) |
7138 F_FW_CMD_REQUEST |
7139 F_FW_CMD_WRITE |
7140 ldst_addrspace);
7141 c.cycles_to_len16 = cpu_to_be32(FW_LEN16(c));
7142 c.u.addrval.addr = cpu_to_be32(addr);
7143 c.u.addrval.val = cpu_to_be32(val);
7144
7145 return t4_wr_mbox(adap, mbox, &c, sizeof(c), NULL);
7146 }
7147
7148 /**
7149 * t4_mdio_rd - read a PHY register through MDIO
7150 * @adap: the adapter
7151 * @mbox: mailbox to use for the FW command
7152 * @phy_addr: the PHY address
7153 * @mmd: the PHY MMD to access (0 for clause 22 PHYs)
7154 * @reg: the register to read
7155 * @valp: where to store the value
7156 *
7157 * Issues a FW command through the given mailbox to read a PHY register.
7158 */
t4_mdio_rd(struct adapter * adap,unsigned int mbox,unsigned int phy_addr,unsigned int mmd,unsigned int reg,unsigned int * valp)7159 int t4_mdio_rd(struct adapter *adap, unsigned int mbox, unsigned int phy_addr,
7160 unsigned int mmd, unsigned int reg, unsigned int *valp)
7161 {
7162 int ret;
7163 u32 ldst_addrspace;
7164 struct fw_ldst_cmd c;
7165
7166 memset(&c, 0, sizeof(c));
7167 ldst_addrspace = V_FW_LDST_CMD_ADDRSPACE(FW_LDST_ADDRSPC_MDIO);
7168 c.op_to_addrspace = cpu_to_be32(V_FW_CMD_OP(FW_LDST_CMD) |
7169 F_FW_CMD_REQUEST | F_FW_CMD_READ |
7170 ldst_addrspace);
7171 c.cycles_to_len16 = cpu_to_be32(FW_LEN16(c));
7172 c.u.mdio.paddr_mmd = cpu_to_be16(V_FW_LDST_CMD_PADDR(phy_addr) |
7173 V_FW_LDST_CMD_MMD(mmd));
7174 c.u.mdio.raddr = cpu_to_be16(reg);
7175
7176 ret = t4_wr_mbox(adap, mbox, &c, sizeof(c), &c);
7177 if (ret == 0)
7178 *valp = be16_to_cpu(c.u.mdio.rval);
7179 return ret;
7180 }
7181
7182 /**
7183 * t4_mdio_wr - write a PHY register through MDIO
7184 * @adap: the adapter
7185 * @mbox: mailbox to use for the FW command
7186 * @phy_addr: the PHY address
7187 * @mmd: the PHY MMD to access (0 for clause 22 PHYs)
7188 * @reg: the register to write
7189 * @valp: value to write
7190 *
7191 * Issues a FW command through the given mailbox to write a PHY register.
7192 */
t4_mdio_wr(struct adapter * adap,unsigned int mbox,unsigned int phy_addr,unsigned int mmd,unsigned int reg,unsigned int val)7193 int t4_mdio_wr(struct adapter *adap, unsigned int mbox, unsigned int phy_addr,
7194 unsigned int mmd, unsigned int reg, unsigned int val)
7195 {
7196 u32 ldst_addrspace;
7197 struct fw_ldst_cmd c;
7198
7199 memset(&c, 0, sizeof(c));
7200 ldst_addrspace = V_FW_LDST_CMD_ADDRSPACE(FW_LDST_ADDRSPC_MDIO);
7201 c.op_to_addrspace = cpu_to_be32(V_FW_CMD_OP(FW_LDST_CMD) |
7202 F_FW_CMD_REQUEST | F_FW_CMD_WRITE |
7203 ldst_addrspace);
7204 c.cycles_to_len16 = cpu_to_be32(FW_LEN16(c));
7205 c.u.mdio.paddr_mmd = cpu_to_be16(V_FW_LDST_CMD_PADDR(phy_addr) |
7206 V_FW_LDST_CMD_MMD(mmd));
7207 c.u.mdio.raddr = cpu_to_be16(reg);
7208 c.u.mdio.rval = cpu_to_be16(val);
7209
7210 return t4_wr_mbox(adap, mbox, &c, sizeof(c), NULL);
7211 }
7212
7213 /**
7214 *
7215 * t4_sge_decode_idma_state - decode the idma state
7216 * @adap: the adapter
7217 * @state: the state idma is stuck in
7218 */
t4_sge_decode_idma_state(struct adapter * adapter,int state)7219 void t4_sge_decode_idma_state(struct adapter *adapter, int state)
7220 {
7221 static const char * const t4_decode[] = {
7222 "IDMA_IDLE",
7223 "IDMA_PUSH_MORE_CPL_FIFO",
7224 "IDMA_PUSH_CPL_MSG_HEADER_TO_FIFO",
7225 "Not used",
7226 "IDMA_PHYSADDR_SEND_PCIEHDR",
7227 "IDMA_PHYSADDR_SEND_PAYLOAD_FIRST",
7228 "IDMA_PHYSADDR_SEND_PAYLOAD",
7229 "IDMA_SEND_FIFO_TO_IMSG",
7230 "IDMA_FL_REQ_DATA_FL_PREP",
7231 "IDMA_FL_REQ_DATA_FL",
7232 "IDMA_FL_DROP",
7233 "IDMA_FL_H_REQ_HEADER_FL",
7234 "IDMA_FL_H_SEND_PCIEHDR",
7235 "IDMA_FL_H_PUSH_CPL_FIFO",
7236 "IDMA_FL_H_SEND_CPL",
7237 "IDMA_FL_H_SEND_IP_HDR_FIRST",
7238 "IDMA_FL_H_SEND_IP_HDR",
7239 "IDMA_FL_H_REQ_NEXT_HEADER_FL",
7240 "IDMA_FL_H_SEND_NEXT_PCIEHDR",
7241 "IDMA_FL_H_SEND_IP_HDR_PADDING",
7242 "IDMA_FL_D_SEND_PCIEHDR",
7243 "IDMA_FL_D_SEND_CPL_AND_IP_HDR",
7244 "IDMA_FL_D_REQ_NEXT_DATA_FL",
7245 "IDMA_FL_SEND_PCIEHDR",
7246 "IDMA_FL_PUSH_CPL_FIFO",
7247 "IDMA_FL_SEND_CPL",
7248 "IDMA_FL_SEND_PAYLOAD_FIRST",
7249 "IDMA_FL_SEND_PAYLOAD",
7250 "IDMA_FL_REQ_NEXT_DATA_FL",
7251 "IDMA_FL_SEND_NEXT_PCIEHDR",
7252 "IDMA_FL_SEND_PADDING",
7253 "IDMA_FL_SEND_COMPLETION_TO_IMSG",
7254 "IDMA_FL_SEND_FIFO_TO_IMSG",
7255 "IDMA_FL_REQ_DATAFL_DONE",
7256 "IDMA_FL_REQ_HEADERFL_DONE",
7257 };
7258 static const char * const t5_decode[] = {
7259 "IDMA_IDLE",
7260 "IDMA_ALMOST_IDLE",
7261 "IDMA_PUSH_MORE_CPL_FIFO",
7262 "IDMA_PUSH_CPL_MSG_HEADER_TO_FIFO",
7263 "IDMA_SGEFLRFLUSH_SEND_PCIEHDR",
7264 "IDMA_PHYSADDR_SEND_PCIEHDR",
7265 "IDMA_PHYSADDR_SEND_PAYLOAD_FIRST",
7266 "IDMA_PHYSADDR_SEND_PAYLOAD",
7267 "IDMA_SEND_FIFO_TO_IMSG",
7268 "IDMA_FL_REQ_DATA_FL",
7269 "IDMA_FL_DROP",
7270 "IDMA_FL_DROP_SEND_INC",
7271 "IDMA_FL_H_REQ_HEADER_FL",
7272 "IDMA_FL_H_SEND_PCIEHDR",
7273 "IDMA_FL_H_PUSH_CPL_FIFO",
7274 "IDMA_FL_H_SEND_CPL",
7275 "IDMA_FL_H_SEND_IP_HDR_FIRST",
7276 "IDMA_FL_H_SEND_IP_HDR",
7277 "IDMA_FL_H_REQ_NEXT_HEADER_FL",
7278 "IDMA_FL_H_SEND_NEXT_PCIEHDR",
7279 "IDMA_FL_H_SEND_IP_HDR_PADDING",
7280 "IDMA_FL_D_SEND_PCIEHDR",
7281 "IDMA_FL_D_SEND_CPL_AND_IP_HDR",
7282 "IDMA_FL_D_REQ_NEXT_DATA_FL",
7283 "IDMA_FL_SEND_PCIEHDR",
7284 "IDMA_FL_PUSH_CPL_FIFO",
7285 "IDMA_FL_SEND_CPL",
7286 "IDMA_FL_SEND_PAYLOAD_FIRST",
7287 "IDMA_FL_SEND_PAYLOAD",
7288 "IDMA_FL_REQ_NEXT_DATA_FL",
7289 "IDMA_FL_SEND_NEXT_PCIEHDR",
7290 "IDMA_FL_SEND_PADDING",
7291 "IDMA_FL_SEND_COMPLETION_TO_IMSG",
7292 };
7293 static const char * const t6_decode[] = {
7294 "IDMA_IDLE",
7295 "IDMA_PUSH_MORE_CPL_FIFO",
7296 "IDMA_PUSH_CPL_MSG_HEADER_TO_FIFO",
7297 "IDMA_SGEFLRFLUSH_SEND_PCIEHDR",
7298 "IDMA_PHYSADDR_SEND_PCIEHDR",
7299 "IDMA_PHYSADDR_SEND_PAYLOAD_FIRST",
7300 "IDMA_PHYSADDR_SEND_PAYLOAD",
7301 "IDMA_FL_REQ_DATA_FL",
7302 "IDMA_FL_DROP",
7303 "IDMA_FL_DROP_SEND_INC",
7304 "IDMA_FL_H_REQ_HEADER_FL",
7305 "IDMA_FL_H_SEND_PCIEHDR",
7306 "IDMA_FL_H_PUSH_CPL_FIFO",
7307 "IDMA_FL_H_SEND_CPL",
7308 "IDMA_FL_H_SEND_IP_HDR_FIRST",
7309 "IDMA_FL_H_SEND_IP_HDR",
7310 "IDMA_FL_H_REQ_NEXT_HEADER_FL",
7311 "IDMA_FL_H_SEND_NEXT_PCIEHDR",
7312 "IDMA_FL_H_SEND_IP_HDR_PADDING",
7313 "IDMA_FL_D_SEND_PCIEHDR",
7314 "IDMA_FL_D_SEND_CPL_AND_IP_HDR",
7315 "IDMA_FL_D_REQ_NEXT_DATA_FL",
7316 "IDMA_FL_SEND_PCIEHDR",
7317 "IDMA_FL_PUSH_CPL_FIFO",
7318 "IDMA_FL_SEND_CPL",
7319 "IDMA_FL_SEND_PAYLOAD_FIRST",
7320 "IDMA_FL_SEND_PAYLOAD",
7321 "IDMA_FL_REQ_NEXT_DATA_FL",
7322 "IDMA_FL_SEND_NEXT_PCIEHDR",
7323 "IDMA_FL_SEND_PADDING",
7324 "IDMA_FL_SEND_COMPLETION_TO_IMSG",
7325 };
7326 static const u32 sge_regs[] = {
7327 A_SGE_DEBUG_DATA_LOW_INDEX_2,
7328 A_SGE_DEBUG_DATA_LOW_INDEX_3,
7329 A_SGE_DEBUG_DATA_HIGH_INDEX_10,
7330 };
7331 const char * const *sge_idma_decode;
7332 int sge_idma_decode_nstates;
7333 int i;
7334 unsigned int chip_version = chip_id(adapter);
7335
7336 /* Select the right set of decode strings to dump depending on the
7337 * adapter chip type.
7338 */
7339 switch (chip_version) {
7340 case CHELSIO_T4:
7341 sge_idma_decode = (const char * const *)t4_decode;
7342 sge_idma_decode_nstates = ARRAY_SIZE(t4_decode);
7343 break;
7344
7345 case CHELSIO_T5:
7346 sge_idma_decode = (const char * const *)t5_decode;
7347 sge_idma_decode_nstates = ARRAY_SIZE(t5_decode);
7348 break;
7349
7350 case CHELSIO_T6:
7351 sge_idma_decode = (const char * const *)t6_decode;
7352 sge_idma_decode_nstates = ARRAY_SIZE(t6_decode);
7353 break;
7354
7355 default:
7356 CH_ERR(adapter, "Unsupported chip version %d\n", chip_version);
7357 return;
7358 }
7359
7360 if (state < sge_idma_decode_nstates)
7361 CH_WARN(adapter, "idma state %s\n", sge_idma_decode[state]);
7362 else
7363 CH_WARN(adapter, "idma state %d unknown\n", state);
7364
7365 for (i = 0; i < ARRAY_SIZE(sge_regs); i++)
7366 CH_WARN(adapter, "SGE register %#x value %#x\n",
7367 sge_regs[i], t4_read_reg(adapter, sge_regs[i]));
7368 }
7369
7370 /**
7371 * t4_sge_ctxt_flush - flush the SGE context cache
7372 * @adap: the adapter
7373 * @mbox: mailbox to use for the FW command
7374 *
7375 * Issues a FW command through the given mailbox to flush the
7376 * SGE context cache.
7377 */
t4_sge_ctxt_flush(struct adapter * adap,unsigned int mbox,int ctxt_type)7378 int t4_sge_ctxt_flush(struct adapter *adap, unsigned int mbox, int ctxt_type)
7379 {
7380 int ret;
7381 u32 ldst_addrspace;
7382 struct fw_ldst_cmd c;
7383
7384 memset(&c, 0, sizeof(c));
7385 ldst_addrspace = V_FW_LDST_CMD_ADDRSPACE(ctxt_type == CTXT_EGRESS ?
7386 FW_LDST_ADDRSPC_SGE_EGRC :
7387 FW_LDST_ADDRSPC_SGE_INGC);
7388 c.op_to_addrspace = cpu_to_be32(V_FW_CMD_OP(FW_LDST_CMD) |
7389 F_FW_CMD_REQUEST | F_FW_CMD_READ |
7390 ldst_addrspace);
7391 c.cycles_to_len16 = cpu_to_be32(FW_LEN16(c));
7392 c.u.idctxt.msg_ctxtflush = cpu_to_be32(F_FW_LDST_CMD_CTXTFLUSH);
7393
7394 ret = t4_wr_mbox(adap, mbox, &c, sizeof(c), &c);
7395 return ret;
7396 }
7397
7398 /**
7399 * t4_fw_hello - establish communication with FW
7400 * @adap: the adapter
7401 * @mbox: mailbox to use for the FW command
7402 * @evt_mbox: mailbox to receive async FW events
7403 * @master: specifies the caller's willingness to be the device master
7404 * @state: returns the current device state (if non-NULL)
7405 *
7406 * Issues a command to establish communication with FW. Returns either
7407 * an error (negative integer) or the mailbox of the Master PF.
7408 */
t4_fw_hello(struct adapter * adap,unsigned int mbox,unsigned int evt_mbox,enum dev_master master,enum dev_state * state)7409 int t4_fw_hello(struct adapter *adap, unsigned int mbox, unsigned int evt_mbox,
7410 enum dev_master master, enum dev_state *state)
7411 {
7412 int ret;
7413 struct fw_hello_cmd c;
7414 u32 v;
7415 unsigned int master_mbox;
7416 int retries = FW_CMD_HELLO_RETRIES;
7417
7418 retry:
7419 memset(&c, 0, sizeof(c));
7420 INIT_CMD(c, HELLO, WRITE);
7421 c.err_to_clearinit = cpu_to_be32(
7422 V_FW_HELLO_CMD_MASTERDIS(master == MASTER_CANT) |
7423 V_FW_HELLO_CMD_MASTERFORCE(master == MASTER_MUST) |
7424 V_FW_HELLO_CMD_MBMASTER(master == MASTER_MUST ?
7425 mbox : M_FW_HELLO_CMD_MBMASTER) |
7426 V_FW_HELLO_CMD_MBASYNCNOT(evt_mbox) |
7427 V_FW_HELLO_CMD_STAGE(FW_HELLO_CMD_STAGE_OS) |
7428 F_FW_HELLO_CMD_CLEARINIT);
7429
7430 /*
7431 * Issue the HELLO command to the firmware. If it's not successful
7432 * but indicates that we got a "busy" or "timeout" condition, retry
7433 * the HELLO until we exhaust our retry limit. If we do exceed our
7434 * retry limit, check to see if the firmware left us any error
7435 * information and report that if so ...
7436 */
7437 ret = t4_wr_mbox(adap, mbox, &c, sizeof(c), &c);
7438 if (ret != FW_SUCCESS) {
7439 if ((ret == -EBUSY || ret == -ETIMEDOUT) && retries-- > 0)
7440 goto retry;
7441 return ret;
7442 }
7443
7444 v = be32_to_cpu(c.err_to_clearinit);
7445 master_mbox = G_FW_HELLO_CMD_MBMASTER(v);
7446 if (state) {
7447 if (v & F_FW_HELLO_CMD_ERR)
7448 *state = DEV_STATE_ERR;
7449 else if (v & F_FW_HELLO_CMD_INIT)
7450 *state = DEV_STATE_INIT;
7451 else
7452 *state = DEV_STATE_UNINIT;
7453 }
7454
7455 /*
7456 * If we're not the Master PF then we need to wait around for the
7457 * Master PF Driver to finish setting up the adapter.
7458 *
7459 * Note that we also do this wait if we're a non-Master-capable PF and
7460 * there is no current Master PF; a Master PF may show up momentarily
7461 * and we wouldn't want to fail pointlessly. (This can happen when an
7462 * OS loads lots of different drivers rapidly at the same time). In
7463 * this case, the Master PF returned by the firmware will be
7464 * M_PCIE_FW_MASTER so the test below will work ...
7465 */
7466 if ((v & (F_FW_HELLO_CMD_ERR|F_FW_HELLO_CMD_INIT)) == 0 &&
7467 master_mbox != mbox) {
7468 int waiting = FW_CMD_HELLO_TIMEOUT;
7469
7470 /*
7471 * Wait for the firmware to either indicate an error or
7472 * initialized state. If we see either of these we bail out
7473 * and report the issue to the caller. If we exhaust the
7474 * "hello timeout" and we haven't exhausted our retries, try
7475 * again. Otherwise bail with a timeout error.
7476 */
7477 for (;;) {
7478 u32 pcie_fw;
7479
7480 msleep(50);
7481 waiting -= 50;
7482
7483 /*
7484 * If neither Error nor Initialialized are indicated
7485 * by the firmware keep waiting till we exhaust our
7486 * timeout ... and then retry if we haven't exhausted
7487 * our retries ...
7488 */
7489 pcie_fw = t4_read_reg(adap, A_PCIE_FW);
7490 if (!(pcie_fw & (F_PCIE_FW_ERR|F_PCIE_FW_INIT))) {
7491 if (waiting <= 0) {
7492 if (retries-- > 0)
7493 goto retry;
7494
7495 return -ETIMEDOUT;
7496 }
7497 continue;
7498 }
7499
7500 /*
7501 * We either have an Error or Initialized condition
7502 * report errors preferentially.
7503 */
7504 if (state) {
7505 if (pcie_fw & F_PCIE_FW_ERR)
7506 *state = DEV_STATE_ERR;
7507 else if (pcie_fw & F_PCIE_FW_INIT)
7508 *state = DEV_STATE_INIT;
7509 }
7510
7511 /*
7512 * If we arrived before a Master PF was selected and
7513 * there's not a valid Master PF, grab its identity
7514 * for our caller.
7515 */
7516 if (master_mbox == M_PCIE_FW_MASTER &&
7517 (pcie_fw & F_PCIE_FW_MASTER_VLD))
7518 master_mbox = G_PCIE_FW_MASTER(pcie_fw);
7519 break;
7520 }
7521 }
7522
7523 return master_mbox;
7524 }
7525
7526 /**
7527 * t4_fw_bye - end communication with FW
7528 * @adap: the adapter
7529 * @mbox: mailbox to use for the FW command
7530 *
7531 * Issues a command to terminate communication with FW.
7532 */
t4_fw_bye(struct adapter * adap,unsigned int mbox)7533 int t4_fw_bye(struct adapter *adap, unsigned int mbox)
7534 {
7535 struct fw_bye_cmd c;
7536
7537 memset(&c, 0, sizeof(c));
7538 INIT_CMD(c, BYE, WRITE);
7539 return t4_wr_mbox(adap, mbox, &c, sizeof(c), NULL);
7540 }
7541
7542 /**
7543 * t4_fw_reset - issue a reset to FW
7544 * @adap: the adapter
7545 * @mbox: mailbox to use for the FW command
7546 * @reset: specifies the type of reset to perform
7547 *
7548 * Issues a reset command of the specified type to FW.
7549 */
t4_fw_reset(struct adapter * adap,unsigned int mbox,int reset)7550 int t4_fw_reset(struct adapter *adap, unsigned int mbox, int reset)
7551 {
7552 struct fw_reset_cmd c;
7553
7554 memset(&c, 0, sizeof(c));
7555 INIT_CMD(c, RESET, WRITE);
7556 c.val = cpu_to_be32(reset);
7557 return t4_wr_mbox(adap, mbox, &c, sizeof(c), NULL);
7558 }
7559
7560 /**
7561 * t4_fw_halt - issue a reset/halt to FW and put uP into RESET
7562 * @adap: the adapter
7563 * @mbox: mailbox to use for the FW RESET command (if desired)
7564 * @force: force uP into RESET even if FW RESET command fails
7565 *
7566 * Issues a RESET command to firmware (if desired) with a HALT indication
7567 * and then puts the microprocessor into RESET state. The RESET command
7568 * will only be issued if a legitimate mailbox is provided (mbox <=
7569 * M_PCIE_FW_MASTER).
7570 *
7571 * This is generally used in order for the host to safely manipulate the
7572 * adapter without fear of conflicting with whatever the firmware might
7573 * be doing. The only way out of this state is to RESTART the firmware
7574 * ...
7575 */
t4_fw_halt(struct adapter * adap,unsigned int mbox,int force)7576 int t4_fw_halt(struct adapter *adap, unsigned int mbox, int force)
7577 {
7578 int ret = 0;
7579
7580 /*
7581 * If a legitimate mailbox is provided, issue a RESET command
7582 * with a HALT indication.
7583 */
7584 if (adap->flags & FW_OK && mbox <= M_PCIE_FW_MASTER) {
7585 struct fw_reset_cmd c;
7586
7587 memset(&c, 0, sizeof(c));
7588 INIT_CMD(c, RESET, WRITE);
7589 c.val = cpu_to_be32(F_PIORST | F_PIORSTMODE);
7590 c.halt_pkd = cpu_to_be32(F_FW_RESET_CMD_HALT);
7591 ret = t4_wr_mbox(adap, mbox, &c, sizeof(c), NULL);
7592 }
7593
7594 /*
7595 * Normally we won't complete the operation if the firmware RESET
7596 * command fails but if our caller insists we'll go ahead and put the
7597 * uP into RESET. This can be useful if the firmware is hung or even
7598 * missing ... We'll have to take the risk of putting the uP into
7599 * RESET without the cooperation of firmware in that case.
7600 *
7601 * We also force the firmware's HALT flag to be on in case we bypassed
7602 * the firmware RESET command above or we're dealing with old firmware
7603 * which doesn't have the HALT capability. This will serve as a flag
7604 * for the incoming firmware to know that it's coming out of a HALT
7605 * rather than a RESET ... if it's new enough to understand that ...
7606 */
7607 if (ret == 0 || force) {
7608 t4_set_reg_field(adap, A_CIM_BOOT_CFG, F_UPCRST, F_UPCRST);
7609 t4_set_reg_field(adap, A_PCIE_FW, F_PCIE_FW_HALT,
7610 F_PCIE_FW_HALT);
7611 }
7612
7613 /*
7614 * And we always return the result of the firmware RESET command
7615 * even when we force the uP into RESET ...
7616 */
7617 return ret;
7618 }
7619
7620 /**
7621 * t4_fw_restart - restart the firmware by taking the uP out of RESET
7622 * @adap: the adapter
7623 *
7624 * Restart firmware previously halted by t4_fw_halt(). On successful
7625 * return the previous PF Master remains as the new PF Master and there
7626 * is no need to issue a new HELLO command, etc.
7627 */
t4_fw_restart(struct adapter * adap,unsigned int mbox)7628 int t4_fw_restart(struct adapter *adap, unsigned int mbox)
7629 {
7630 int ms;
7631
7632 t4_set_reg_field(adap, A_CIM_BOOT_CFG, F_UPCRST, 0);
7633 for (ms = 0; ms < FW_CMD_MAX_TIMEOUT; ) {
7634 if (!(t4_read_reg(adap, A_PCIE_FW) & F_PCIE_FW_HALT))
7635 return FW_SUCCESS;
7636 msleep(100);
7637 ms += 100;
7638 }
7639
7640 return -ETIMEDOUT;
7641 }
7642
7643 /**
7644 * t4_fw_upgrade - perform all of the steps necessary to upgrade FW
7645 * @adap: the adapter
7646 * @mbox: mailbox to use for the FW RESET command (if desired)
7647 * @fw_data: the firmware image to write
7648 * @size: image size
7649 * @force: force upgrade even if firmware doesn't cooperate
7650 *
7651 * Perform all of the steps necessary for upgrading an adapter's
7652 * firmware image. Normally this requires the cooperation of the
7653 * existing firmware in order to halt all existing activities
7654 * but if an invalid mailbox token is passed in we skip that step
7655 * (though we'll still put the adapter microprocessor into RESET in
7656 * that case).
7657 *
7658 * On successful return the new firmware will have been loaded and
7659 * the adapter will have been fully RESET losing all previous setup
7660 * state. On unsuccessful return the adapter may be completely hosed ...
7661 * positive errno indicates that the adapter is ~probably~ intact, a
7662 * negative errno indicates that things are looking bad ...
7663 */
t4_fw_upgrade(struct adapter * adap,unsigned int mbox,const u8 * fw_data,unsigned int size,int force)7664 int t4_fw_upgrade(struct adapter *adap, unsigned int mbox,
7665 const u8 *fw_data, unsigned int size, int force)
7666 {
7667 const struct fw_hdr *fw_hdr = (const struct fw_hdr *)fw_data;
7668 unsigned int bootstrap =
7669 be32_to_cpu(fw_hdr->magic) == FW_HDR_MAGIC_BOOTSTRAP;
7670 int ret;
7671
7672 if (!t4_fw_matches_chip(adap, fw_hdr))
7673 return -EINVAL;
7674
7675 if (!bootstrap) {
7676 ret = t4_fw_halt(adap, mbox, force);
7677 if (ret < 0 && !force)
7678 return ret;
7679 }
7680
7681 ret = t4_load_fw(adap, fw_data, size);
7682 if (ret < 0 || bootstrap)
7683 return ret;
7684
7685 return t4_fw_restart(adap, mbox);
7686 }
7687
7688 /**
7689 * t4_fw_initialize - ask FW to initialize the device
7690 * @adap: the adapter
7691 * @mbox: mailbox to use for the FW command
7692 *
7693 * Issues a command to FW to partially initialize the device. This
7694 * performs initialization that generally doesn't depend on user input.
7695 */
t4_fw_initialize(struct adapter * adap,unsigned int mbox)7696 int t4_fw_initialize(struct adapter *adap, unsigned int mbox)
7697 {
7698 struct fw_initialize_cmd c;
7699
7700 memset(&c, 0, sizeof(c));
7701 INIT_CMD(c, INITIALIZE, WRITE);
7702 return t4_wr_mbox(adap, mbox, &c, sizeof(c), NULL);
7703 }
7704
7705 /**
7706 * t4_query_params_rw - query FW or device parameters
7707 * @adap: the adapter
7708 * @mbox: mailbox to use for the FW command
7709 * @pf: the PF
7710 * @vf: the VF
7711 * @nparams: the number of parameters
7712 * @params: the parameter names
7713 * @val: the parameter values
7714 * @rw: Write and read flag
7715 *
7716 * Reads the value of FW or device parameters. Up to 7 parameters can be
7717 * queried at once.
7718 */
t4_query_params_rw(struct adapter * adap,unsigned int mbox,unsigned int pf,unsigned int vf,unsigned int nparams,const u32 * params,u32 * val,int rw)7719 int t4_query_params_rw(struct adapter *adap, unsigned int mbox, unsigned int pf,
7720 unsigned int vf, unsigned int nparams, const u32 *params,
7721 u32 *val, int rw)
7722 {
7723 int i, ret;
7724 struct fw_params_cmd c;
7725 __be32 *p = &c.param[0].mnem;
7726
7727 if (nparams > 7)
7728 return -EINVAL;
7729
7730 memset(&c, 0, sizeof(c));
7731 c.op_to_vfn = cpu_to_be32(V_FW_CMD_OP(FW_PARAMS_CMD) |
7732 F_FW_CMD_REQUEST | F_FW_CMD_READ |
7733 V_FW_PARAMS_CMD_PFN(pf) |
7734 V_FW_PARAMS_CMD_VFN(vf));
7735 c.retval_len16 = cpu_to_be32(FW_LEN16(c));
7736
7737 for (i = 0; i < nparams; i++) {
7738 *p++ = cpu_to_be32(*params++);
7739 if (rw)
7740 *p = cpu_to_be32(*(val + i));
7741 p++;
7742 }
7743
7744 ret = t4_wr_mbox(adap, mbox, &c, sizeof(c), &c);
7745
7746 /*
7747 * We always copy back the results, even if there's an error. We'll
7748 * get an error if any of the parameters was unknown to the Firmware,
7749 * but there will be results for the others ... (Older Firmware
7750 * stopped at the first unknown parameter; newer Firmware processes
7751 * them all and flags the unknown parameters with a return value of
7752 * ~0UL.)
7753 */
7754 for (i = 0, p = &c.param[0].val; i < nparams; i++, p += 2)
7755 *val++ = be32_to_cpu(*p);
7756
7757 return ret;
7758 }
7759
t4_query_params(struct adapter * adap,unsigned int mbox,unsigned int pf,unsigned int vf,unsigned int nparams,const u32 * params,u32 * val)7760 int t4_query_params(struct adapter *adap, unsigned int mbox, unsigned int pf,
7761 unsigned int vf, unsigned int nparams, const u32 *params,
7762 u32 *val)
7763 {
7764 return t4_query_params_rw(adap, mbox, pf, vf, nparams, params, val, 0);
7765 }
7766
7767 /**
7768 * t4_set_params_timeout - sets FW or device parameters
7769 * @adap: the adapter
7770 * @mbox: mailbox to use for the FW command
7771 * @pf: the PF
7772 * @vf: the VF
7773 * @nparams: the number of parameters
7774 * @params: the parameter names
7775 * @val: the parameter values
7776 * @timeout: the timeout time
7777 *
7778 * Sets the value of FW or device parameters. Up to 7 parameters can be
7779 * specified at once.
7780 */
t4_set_params_timeout(struct adapter * adap,unsigned int mbox,unsigned int pf,unsigned int vf,unsigned int nparams,const u32 * params,const u32 * val,int timeout)7781 int t4_set_params_timeout(struct adapter *adap, unsigned int mbox,
7782 unsigned int pf, unsigned int vf,
7783 unsigned int nparams, const u32 *params,
7784 const u32 *val, int timeout)
7785 {
7786 struct fw_params_cmd c;
7787 __be32 *p = &c.param[0].mnem;
7788
7789 if (nparams > 7)
7790 return -EINVAL;
7791
7792 memset(&c, 0, sizeof(c));
7793 c.op_to_vfn = cpu_to_be32(V_FW_CMD_OP(FW_PARAMS_CMD) |
7794 F_FW_CMD_REQUEST | F_FW_CMD_WRITE |
7795 V_FW_PARAMS_CMD_PFN(pf) |
7796 V_FW_PARAMS_CMD_VFN(vf));
7797 c.retval_len16 = cpu_to_be32(FW_LEN16(c));
7798
7799 while (nparams--) {
7800 *p++ = cpu_to_be32(*params++);
7801 *p++ = cpu_to_be32(*val++);
7802 }
7803
7804 return t4_wr_mbox_timeout(adap, mbox, &c, sizeof(c), NULL, timeout);
7805 }
7806
7807 /**
7808 * t4_set_params - sets FW or device parameters
7809 * @adap: the adapter
7810 * @mbox: mailbox to use for the FW command
7811 * @pf: the PF
7812 * @vf: the VF
7813 * @nparams: the number of parameters
7814 * @params: the parameter names
7815 * @val: the parameter values
7816 *
7817 * Sets the value of FW or device parameters. Up to 7 parameters can be
7818 * specified at once.
7819 */
t4_set_params(struct adapter * adap,unsigned int mbox,unsigned int pf,unsigned int vf,unsigned int nparams,const u32 * params,const u32 * val)7820 int t4_set_params(struct adapter *adap, unsigned int mbox, unsigned int pf,
7821 unsigned int vf, unsigned int nparams, const u32 *params,
7822 const u32 *val)
7823 {
7824 return t4_set_params_timeout(adap, mbox, pf, vf, nparams, params, val,
7825 FW_CMD_MAX_TIMEOUT);
7826 }
7827
7828 /**
7829 * t4_cfg_pfvf - configure PF/VF resource limits
7830 * @adap: the adapter
7831 * @mbox: mailbox to use for the FW command
7832 * @pf: the PF being configured
7833 * @vf: the VF being configured
7834 * @txq: the max number of egress queues
7835 * @txq_eth_ctrl: the max number of egress Ethernet or control queues
7836 * @rxqi: the max number of interrupt-capable ingress queues
7837 * @rxq: the max number of interruptless ingress queues
7838 * @tc: the PCI traffic class
7839 * @vi: the max number of virtual interfaces
7840 * @cmask: the channel access rights mask for the PF/VF
7841 * @pmask: the port access rights mask for the PF/VF
7842 * @nexact: the maximum number of exact MPS filters
7843 * @rcaps: read capabilities
7844 * @wxcaps: write/execute capabilities
7845 *
7846 * Configures resource limits and capabilities for a physical or virtual
7847 * function.
7848 */
t4_cfg_pfvf(struct adapter * adap,unsigned int mbox,unsigned int pf,unsigned int vf,unsigned int txq,unsigned int txq_eth_ctrl,unsigned int rxqi,unsigned int rxq,unsigned int tc,unsigned int vi,unsigned int cmask,unsigned int pmask,unsigned int nexact,unsigned int rcaps,unsigned int wxcaps)7849 int t4_cfg_pfvf(struct adapter *adap, unsigned int mbox, unsigned int pf,
7850 unsigned int vf, unsigned int txq, unsigned int txq_eth_ctrl,
7851 unsigned int rxqi, unsigned int rxq, unsigned int tc,
7852 unsigned int vi, unsigned int cmask, unsigned int pmask,
7853 unsigned int nexact, unsigned int rcaps, unsigned int wxcaps)
7854 {
7855 struct fw_pfvf_cmd c;
7856
7857 memset(&c, 0, sizeof(c));
7858 c.op_to_vfn = cpu_to_be32(V_FW_CMD_OP(FW_PFVF_CMD) | F_FW_CMD_REQUEST |
7859 F_FW_CMD_WRITE | V_FW_PFVF_CMD_PFN(pf) |
7860 V_FW_PFVF_CMD_VFN(vf));
7861 c.retval_len16 = cpu_to_be32(FW_LEN16(c));
7862 c.niqflint_niq = cpu_to_be32(V_FW_PFVF_CMD_NIQFLINT(rxqi) |
7863 V_FW_PFVF_CMD_NIQ(rxq));
7864 c.type_to_neq = cpu_to_be32(V_FW_PFVF_CMD_CMASK(cmask) |
7865 V_FW_PFVF_CMD_PMASK(pmask) |
7866 V_FW_PFVF_CMD_NEQ(txq));
7867 c.tc_to_nexactf = cpu_to_be32(V_FW_PFVF_CMD_TC(tc) |
7868 V_FW_PFVF_CMD_NVI(vi) |
7869 V_FW_PFVF_CMD_NEXACTF(nexact));
7870 c.r_caps_to_nethctrl = cpu_to_be32(V_FW_PFVF_CMD_R_CAPS(rcaps) |
7871 V_FW_PFVF_CMD_WX_CAPS(wxcaps) |
7872 V_FW_PFVF_CMD_NETHCTRL(txq_eth_ctrl));
7873 return t4_wr_mbox(adap, mbox, &c, sizeof(c), NULL);
7874 }
7875
7876 /**
7877 * t4_alloc_vi_func - allocate a virtual interface
7878 * @adap: the adapter
7879 * @mbox: mailbox to use for the FW command
7880 * @port: physical port associated with the VI
7881 * @pf: the PF owning the VI
7882 * @vf: the VF owning the VI
7883 * @nmac: number of MAC addresses needed (1 to 5)
7884 * @mac: the MAC addresses of the VI
7885 * @rss_size: size of RSS table slice associated with this VI
7886 * @portfunc: which Port Application Function MAC Address is desired
7887 * @idstype: Intrusion Detection Type
7888 *
7889 * Allocates a virtual interface for the given physical port. If @mac is
7890 * not %NULL it contains the MAC addresses of the VI as assigned by FW.
7891 * If @rss_size is %NULL the VI is not assigned any RSS slice by FW.
7892 * @mac should be large enough to hold @nmac Ethernet addresses, they are
7893 * stored consecutively so the space needed is @nmac * 6 bytes.
7894 * Returns a negative error number or the non-negative VI id.
7895 */
t4_alloc_vi_func(struct adapter * adap,unsigned int mbox,unsigned int port,unsigned int pf,unsigned int vf,unsigned int nmac,u8 * mac,u16 * rss_size,uint8_t * vfvld,uint16_t * vin,unsigned int portfunc,unsigned int idstype)7896 int t4_alloc_vi_func(struct adapter *adap, unsigned int mbox,
7897 unsigned int port, unsigned int pf, unsigned int vf,
7898 unsigned int nmac, u8 *mac, u16 *rss_size,
7899 uint8_t *vfvld, uint16_t *vin,
7900 unsigned int portfunc, unsigned int idstype)
7901 {
7902 int ret;
7903 struct fw_vi_cmd c;
7904
7905 memset(&c, 0, sizeof(c));
7906 c.op_to_vfn = cpu_to_be32(V_FW_CMD_OP(FW_VI_CMD) | F_FW_CMD_REQUEST |
7907 F_FW_CMD_WRITE | F_FW_CMD_EXEC |
7908 V_FW_VI_CMD_PFN(pf) | V_FW_VI_CMD_VFN(vf));
7909 c.alloc_to_len16 = cpu_to_be32(F_FW_VI_CMD_ALLOC | FW_LEN16(c));
7910 c.type_to_viid = cpu_to_be16(V_FW_VI_CMD_TYPE(idstype) |
7911 V_FW_VI_CMD_FUNC(portfunc));
7912 c.portid_pkd = V_FW_VI_CMD_PORTID(port);
7913 c.nmac = nmac - 1;
7914 if(!rss_size)
7915 c.norss_rsssize = F_FW_VI_CMD_NORSS;
7916
7917 ret = t4_wr_mbox(adap, mbox, &c, sizeof(c), &c);
7918 if (ret)
7919 return ret;
7920 ret = G_FW_VI_CMD_VIID(be16_to_cpu(c.type_to_viid));
7921
7922 if (mac) {
7923 memcpy(mac, c.mac, sizeof(c.mac));
7924 switch (nmac) {
7925 case 5:
7926 memcpy(mac + 24, c.nmac3, sizeof(c.nmac3));
7927 case 4:
7928 memcpy(mac + 18, c.nmac2, sizeof(c.nmac2));
7929 case 3:
7930 memcpy(mac + 12, c.nmac1, sizeof(c.nmac1));
7931 case 2:
7932 memcpy(mac + 6, c.nmac0, sizeof(c.nmac0));
7933 }
7934 }
7935 if (rss_size)
7936 *rss_size = G_FW_VI_CMD_RSSSIZE(be16_to_cpu(c.norss_rsssize));
7937 if (vfvld) {
7938 *vfvld = adap->params.viid_smt_extn_support ?
7939 G_FW_VI_CMD_VFVLD(be32_to_cpu(c.alloc_to_len16)) :
7940 G_FW_VIID_VIVLD(ret);
7941 }
7942 if (vin) {
7943 *vin = adap->params.viid_smt_extn_support ?
7944 G_FW_VI_CMD_VIN(be32_to_cpu(c.alloc_to_len16)) :
7945 G_FW_VIID_VIN(ret);
7946 }
7947
7948 return ret;
7949 }
7950
7951 /**
7952 * t4_alloc_vi - allocate an [Ethernet Function] virtual interface
7953 * @adap: the adapter
7954 * @mbox: mailbox to use for the FW command
7955 * @port: physical port associated with the VI
7956 * @pf: the PF owning the VI
7957 * @vf: the VF owning the VI
7958 * @nmac: number of MAC addresses needed (1 to 5)
7959 * @mac: the MAC addresses of the VI
7960 * @rss_size: size of RSS table slice associated with this VI
7961 *
7962 * backwards compatible and convieniance routine to allocate a Virtual
7963 * Interface with a Ethernet Port Application Function and Intrustion
7964 * Detection System disabled.
7965 */
t4_alloc_vi(struct adapter * adap,unsigned int mbox,unsigned int port,unsigned int pf,unsigned int vf,unsigned int nmac,u8 * mac,u16 * rss_size,uint8_t * vfvld,uint16_t * vin)7966 int t4_alloc_vi(struct adapter *adap, unsigned int mbox, unsigned int port,
7967 unsigned int pf, unsigned int vf, unsigned int nmac, u8 *mac,
7968 u16 *rss_size, uint8_t *vfvld, uint16_t *vin)
7969 {
7970 return t4_alloc_vi_func(adap, mbox, port, pf, vf, nmac, mac, rss_size,
7971 vfvld, vin, FW_VI_FUNC_ETH, 0);
7972 }
7973
7974 /**
7975 * t4_free_vi - free a virtual interface
7976 * @adap: the adapter
7977 * @mbox: mailbox to use for the FW command
7978 * @pf: the PF owning the VI
7979 * @vf: the VF owning the VI
7980 * @viid: virtual interface identifiler
7981 *
7982 * Free a previously allocated virtual interface.
7983 */
t4_free_vi(struct adapter * adap,unsigned int mbox,unsigned int pf,unsigned int vf,unsigned int viid)7984 int t4_free_vi(struct adapter *adap, unsigned int mbox, unsigned int pf,
7985 unsigned int vf, unsigned int viid)
7986 {
7987 struct fw_vi_cmd c;
7988
7989 memset(&c, 0, sizeof(c));
7990 c.op_to_vfn = cpu_to_be32(V_FW_CMD_OP(FW_VI_CMD) |
7991 F_FW_CMD_REQUEST |
7992 F_FW_CMD_EXEC |
7993 V_FW_VI_CMD_PFN(pf) |
7994 V_FW_VI_CMD_VFN(vf));
7995 c.alloc_to_len16 = cpu_to_be32(F_FW_VI_CMD_FREE | FW_LEN16(c));
7996 c.type_to_viid = cpu_to_be16(V_FW_VI_CMD_VIID(viid));
7997
7998 return t4_wr_mbox(adap, mbox, &c, sizeof(c), &c);
7999 }
8000
8001 /**
8002 * t4_set_rxmode - set Rx properties of a virtual interface
8003 * @adap: the adapter
8004 * @mbox: mailbox to use for the FW command
8005 * @viid: the VI id
8006 * @mtu: the new MTU or -1
8007 * @promisc: 1 to enable promiscuous mode, 0 to disable it, -1 no change
8008 * @all_multi: 1 to enable all-multi mode, 0 to disable it, -1 no change
8009 * @bcast: 1 to enable broadcast Rx, 0 to disable it, -1 no change
8010 * @vlanex: 1 to enable HW VLAN extraction, 0 to disable it, -1 no change
8011 * @sleep_ok: if true we may sleep while awaiting command completion
8012 *
8013 * Sets Rx properties of a virtual interface.
8014 */
t4_set_rxmode(struct adapter * adap,unsigned int mbox,unsigned int viid,int mtu,int promisc,int all_multi,int bcast,int vlanex,bool sleep_ok)8015 int t4_set_rxmode(struct adapter *adap, unsigned int mbox, unsigned int viid,
8016 int mtu, int promisc, int all_multi, int bcast, int vlanex,
8017 bool sleep_ok)
8018 {
8019 struct fw_vi_rxmode_cmd c;
8020
8021 /* convert to FW values */
8022 if (mtu < 0)
8023 mtu = M_FW_VI_RXMODE_CMD_MTU;
8024 if (promisc < 0)
8025 promisc = M_FW_VI_RXMODE_CMD_PROMISCEN;
8026 if (all_multi < 0)
8027 all_multi = M_FW_VI_RXMODE_CMD_ALLMULTIEN;
8028 if (bcast < 0)
8029 bcast = M_FW_VI_RXMODE_CMD_BROADCASTEN;
8030 if (vlanex < 0)
8031 vlanex = M_FW_VI_RXMODE_CMD_VLANEXEN;
8032
8033 memset(&c, 0, sizeof(c));
8034 c.op_to_viid = cpu_to_be32(V_FW_CMD_OP(FW_VI_RXMODE_CMD) |
8035 F_FW_CMD_REQUEST | F_FW_CMD_WRITE |
8036 V_FW_VI_RXMODE_CMD_VIID(viid));
8037 c.retval_len16 = cpu_to_be32(FW_LEN16(c));
8038 c.mtu_to_vlanexen =
8039 cpu_to_be32(V_FW_VI_RXMODE_CMD_MTU(mtu) |
8040 V_FW_VI_RXMODE_CMD_PROMISCEN(promisc) |
8041 V_FW_VI_RXMODE_CMD_ALLMULTIEN(all_multi) |
8042 V_FW_VI_RXMODE_CMD_BROADCASTEN(bcast) |
8043 V_FW_VI_RXMODE_CMD_VLANEXEN(vlanex));
8044 return t4_wr_mbox_meat(adap, mbox, &c, sizeof(c), NULL, sleep_ok);
8045 }
8046
8047 /**
8048 * t4_alloc_encap_mac_filt - Adds a mac entry in mps tcam with VNI support
8049 * @adap: the adapter
8050 * @viid: the VI id
8051 * @mac: the MAC address
8052 * @mask: the mask
8053 * @vni: the VNI id for the tunnel protocol
8054 * @vni_mask: mask for the VNI id
8055 * @dip_hit: to enable DIP match for the MPS entry
8056 * @lookup_type: MAC address for inner (1) or outer (0) header
8057 * @sleep_ok: call is allowed to sleep
8058 *
8059 * Allocates an MPS entry with specified MAC address and VNI value.
8060 *
8061 * Returns a negative error number or the allocated index for this mac.
8062 */
t4_alloc_encap_mac_filt(struct adapter * adap,unsigned int viid,const u8 * addr,const u8 * mask,unsigned int vni,unsigned int vni_mask,u8 dip_hit,u8 lookup_type,bool sleep_ok)8063 int t4_alloc_encap_mac_filt(struct adapter *adap, unsigned int viid,
8064 const u8 *addr, const u8 *mask, unsigned int vni,
8065 unsigned int vni_mask, u8 dip_hit, u8 lookup_type,
8066 bool sleep_ok)
8067 {
8068 struct fw_vi_mac_cmd c;
8069 struct fw_vi_mac_vni *p = c.u.exact_vni;
8070 int ret = 0;
8071 u32 val;
8072
8073 memset(&c, 0, sizeof(c));
8074 c.op_to_viid = cpu_to_be32(V_FW_CMD_OP(FW_VI_MAC_CMD) |
8075 F_FW_CMD_REQUEST | F_FW_CMD_WRITE |
8076 V_FW_VI_MAC_CMD_VIID(viid));
8077 val = V_FW_CMD_LEN16(1) |
8078 V_FW_VI_MAC_CMD_ENTRY_TYPE(FW_VI_MAC_TYPE_EXACTMAC_VNI);
8079 c.freemacs_to_len16 = cpu_to_be32(val);
8080 p->valid_to_idx = cpu_to_be16(F_FW_VI_MAC_CMD_VALID |
8081 V_FW_VI_MAC_CMD_IDX(FW_VI_MAC_ADD_MAC));
8082 memcpy(p->macaddr, addr, sizeof(p->macaddr));
8083 memcpy(p->macaddr_mask, mask, sizeof(p->macaddr_mask));
8084
8085 p->lookup_type_to_vni = cpu_to_be32(V_FW_VI_MAC_CMD_VNI(vni) |
8086 V_FW_VI_MAC_CMD_DIP_HIT(dip_hit) |
8087 V_FW_VI_MAC_CMD_LOOKUP_TYPE(lookup_type));
8088 p->vni_mask_pkd = cpu_to_be32(V_FW_VI_MAC_CMD_VNI_MASK(vni_mask));
8089
8090 ret = t4_wr_mbox_meat(adap, adap->mbox, &c, sizeof(c), &c, sleep_ok);
8091 if (ret == 0)
8092 ret = G_FW_VI_MAC_CMD_IDX(be16_to_cpu(p->valid_to_idx));
8093 return ret;
8094 }
8095
8096 /**
8097 * t4_alloc_raw_mac_filt - Adds a mac entry in mps tcam
8098 * @adap: the adapter
8099 * @viid: the VI id
8100 * @mac: the MAC address
8101 * @mask: the mask
8102 * @idx: index at which to add this entry
8103 * @port_id: the port index
8104 * @lookup_type: MAC address for inner (1) or outer (0) header
8105 * @sleep_ok: call is allowed to sleep
8106 *
8107 * Adds the mac entry at the specified index using raw mac interface.
8108 *
8109 * Returns a negative error number or the allocated index for this mac.
8110 */
t4_alloc_raw_mac_filt(struct adapter * adap,unsigned int viid,const u8 * addr,const u8 * mask,unsigned int idx,u8 lookup_type,u8 port_id,bool sleep_ok)8111 int t4_alloc_raw_mac_filt(struct adapter *adap, unsigned int viid,
8112 const u8 *addr, const u8 *mask, unsigned int idx,
8113 u8 lookup_type, u8 port_id, bool sleep_ok)
8114 {
8115 int ret = 0;
8116 struct fw_vi_mac_cmd c;
8117 struct fw_vi_mac_raw *p = &c.u.raw;
8118 u32 val;
8119
8120 memset(&c, 0, sizeof(c));
8121 c.op_to_viid = cpu_to_be32(V_FW_CMD_OP(FW_VI_MAC_CMD) |
8122 F_FW_CMD_REQUEST | F_FW_CMD_WRITE |
8123 V_FW_VI_MAC_CMD_VIID(viid));
8124 val = V_FW_CMD_LEN16(1) |
8125 V_FW_VI_MAC_CMD_ENTRY_TYPE(FW_VI_MAC_TYPE_RAW);
8126 c.freemacs_to_len16 = cpu_to_be32(val);
8127
8128 /* Specify that this is an inner mac address */
8129 p->raw_idx_pkd = cpu_to_be32(V_FW_VI_MAC_CMD_RAW_IDX(idx));
8130
8131 /* Lookup Type. Outer header: 0, Inner header: 1 */
8132 p->data0_pkd = cpu_to_be32(V_DATALKPTYPE(lookup_type) |
8133 V_DATAPORTNUM(port_id));
8134 /* Lookup mask and port mask */
8135 p->data0m_pkd = cpu_to_be64(V_DATALKPTYPE(M_DATALKPTYPE) |
8136 V_DATAPORTNUM(M_DATAPORTNUM));
8137
8138 /* Copy the address and the mask */
8139 memcpy((u8 *)&p->data1[0] + 2, addr, ETHER_ADDR_LEN);
8140 memcpy((u8 *)&p->data1m[0] + 2, mask, ETHER_ADDR_LEN);
8141
8142 ret = t4_wr_mbox_meat(adap, adap->mbox, &c, sizeof(c), &c, sleep_ok);
8143 if (ret == 0) {
8144 ret = G_FW_VI_MAC_CMD_RAW_IDX(be32_to_cpu(p->raw_idx_pkd));
8145 if (ret != idx)
8146 ret = -ENOMEM;
8147 }
8148
8149 return ret;
8150 }
8151
8152 /**
8153 * t4_alloc_mac_filt - allocates exact-match filters for MAC addresses
8154 * @adap: the adapter
8155 * @mbox: mailbox to use for the FW command
8156 * @viid: the VI id
8157 * @free: if true any existing filters for this VI id are first removed
8158 * @naddr: the number of MAC addresses to allocate filters for (up to 7)
8159 * @addr: the MAC address(es)
8160 * @idx: where to store the index of each allocated filter
8161 * @hash: pointer to hash address filter bitmap
8162 * @sleep_ok: call is allowed to sleep
8163 *
8164 * Allocates an exact-match filter for each of the supplied addresses and
8165 * sets it to the corresponding address. If @idx is not %NULL it should
8166 * have at least @naddr entries, each of which will be set to the index of
8167 * the filter allocated for the corresponding MAC address. If a filter
8168 * could not be allocated for an address its index is set to 0xffff.
8169 * If @hash is not %NULL addresses that fail to allocate an exact filter
8170 * are hashed and update the hash filter bitmap pointed at by @hash.
8171 *
8172 * Returns a negative error number or the number of filters allocated.
8173 */
t4_alloc_mac_filt(struct adapter * adap,unsigned int mbox,unsigned int viid,bool free,unsigned int naddr,const u8 ** addr,u16 * idx,u64 * hash,bool sleep_ok)8174 int t4_alloc_mac_filt(struct adapter *adap, unsigned int mbox,
8175 unsigned int viid, bool free, unsigned int naddr,
8176 const u8 **addr, u16 *idx, u64 *hash, bool sleep_ok)
8177 {
8178 int offset, ret = 0;
8179 struct fw_vi_mac_cmd c;
8180 unsigned int nfilters = 0;
8181 unsigned int max_naddr = adap->chip_params->mps_tcam_size;
8182 unsigned int rem = naddr;
8183
8184 if (naddr > max_naddr)
8185 return -EINVAL;
8186
8187 for (offset = 0; offset < naddr ; /**/) {
8188 unsigned int fw_naddr = (rem < ARRAY_SIZE(c.u.exact)
8189 ? rem
8190 : ARRAY_SIZE(c.u.exact));
8191 size_t len16 = DIV_ROUND_UP(offsetof(struct fw_vi_mac_cmd,
8192 u.exact[fw_naddr]), 16);
8193 struct fw_vi_mac_exact *p;
8194 int i;
8195
8196 memset(&c, 0, sizeof(c));
8197 c.op_to_viid = cpu_to_be32(V_FW_CMD_OP(FW_VI_MAC_CMD) |
8198 F_FW_CMD_REQUEST |
8199 F_FW_CMD_WRITE |
8200 V_FW_CMD_EXEC(free) |
8201 V_FW_VI_MAC_CMD_VIID(viid));
8202 c.freemacs_to_len16 = cpu_to_be32(V_FW_VI_MAC_CMD_FREEMACS(free) |
8203 V_FW_CMD_LEN16(len16));
8204
8205 for (i = 0, p = c.u.exact; i < fw_naddr; i++, p++) {
8206 p->valid_to_idx =
8207 cpu_to_be16(F_FW_VI_MAC_CMD_VALID |
8208 V_FW_VI_MAC_CMD_IDX(FW_VI_MAC_ADD_MAC));
8209 memcpy(p->macaddr, addr[offset+i], sizeof(p->macaddr));
8210 }
8211
8212 /*
8213 * It's okay if we run out of space in our MAC address arena.
8214 * Some of the addresses we submit may get stored so we need
8215 * to run through the reply to see what the results were ...
8216 */
8217 ret = t4_wr_mbox_meat(adap, mbox, &c, sizeof(c), &c, sleep_ok);
8218 if (ret && ret != -FW_ENOMEM)
8219 break;
8220
8221 for (i = 0, p = c.u.exact; i < fw_naddr; i++, p++) {
8222 u16 index = G_FW_VI_MAC_CMD_IDX(
8223 be16_to_cpu(p->valid_to_idx));
8224
8225 if (idx)
8226 idx[offset+i] = (index >= max_naddr
8227 ? 0xffff
8228 : index);
8229 if (index < max_naddr)
8230 nfilters++;
8231 else if (hash)
8232 *hash |= (1ULL << hash_mac_addr(addr[offset+i]));
8233 }
8234
8235 free = false;
8236 offset += fw_naddr;
8237 rem -= fw_naddr;
8238 }
8239
8240 if (ret == 0 || ret == -FW_ENOMEM)
8241 ret = nfilters;
8242 return ret;
8243 }
8244
8245 /**
8246 * t4_free_encap_mac_filt - frees MPS entry at given index
8247 * @adap: the adapter
8248 * @viid: the VI id
8249 * @idx: index of MPS entry to be freed
8250 * @sleep_ok: call is allowed to sleep
8251 *
8252 * Frees the MPS entry at supplied index
8253 *
8254 * Returns a negative error number or zero on success
8255 */
t4_free_encap_mac_filt(struct adapter * adap,unsigned int viid,int idx,bool sleep_ok)8256 int t4_free_encap_mac_filt(struct adapter *adap, unsigned int viid,
8257 int idx, bool sleep_ok)
8258 {
8259 struct fw_vi_mac_exact *p;
8260 struct fw_vi_mac_cmd c;
8261 u8 addr[] = {0,0,0,0,0,0};
8262 int ret = 0;
8263 u32 exact;
8264
8265 memset(&c, 0, sizeof(c));
8266 c.op_to_viid = cpu_to_be32(V_FW_CMD_OP(FW_VI_MAC_CMD) |
8267 F_FW_CMD_REQUEST |
8268 F_FW_CMD_WRITE |
8269 V_FW_CMD_EXEC(0) |
8270 V_FW_VI_MAC_CMD_VIID(viid));
8271 exact = V_FW_VI_MAC_CMD_ENTRY_TYPE(FW_VI_MAC_TYPE_EXACTMAC);
8272 c.freemacs_to_len16 = cpu_to_be32(V_FW_VI_MAC_CMD_FREEMACS(0) |
8273 exact |
8274 V_FW_CMD_LEN16(1));
8275 p = c.u.exact;
8276 p->valid_to_idx = cpu_to_be16(F_FW_VI_MAC_CMD_VALID |
8277 V_FW_VI_MAC_CMD_IDX(idx));
8278 memcpy(p->macaddr, addr, sizeof(p->macaddr));
8279
8280 ret = t4_wr_mbox_meat(adap, adap->mbox, &c, sizeof(c), &c, sleep_ok);
8281 return ret;
8282 }
8283
8284 /**
8285 * t4_free_raw_mac_filt - Frees a raw mac entry in mps tcam
8286 * @adap: the adapter
8287 * @viid: the VI id
8288 * @addr: the MAC address
8289 * @mask: the mask
8290 * @idx: index of the entry in mps tcam
8291 * @lookup_type: MAC address for inner (1) or outer (0) header
8292 * @port_id: the port index
8293 * @sleep_ok: call is allowed to sleep
8294 *
8295 * Removes the mac entry at the specified index using raw mac interface.
8296 *
8297 * Returns a negative error number on failure.
8298 */
t4_free_raw_mac_filt(struct adapter * adap,unsigned int viid,const u8 * addr,const u8 * mask,unsigned int idx,u8 lookup_type,u8 port_id,bool sleep_ok)8299 int t4_free_raw_mac_filt(struct adapter *adap, unsigned int viid,
8300 const u8 *addr, const u8 *mask, unsigned int idx,
8301 u8 lookup_type, u8 port_id, bool sleep_ok)
8302 {
8303 struct fw_vi_mac_cmd c;
8304 struct fw_vi_mac_raw *p = &c.u.raw;
8305 u32 raw;
8306
8307 memset(&c, 0, sizeof(c));
8308 c.op_to_viid = cpu_to_be32(V_FW_CMD_OP(FW_VI_MAC_CMD) |
8309 F_FW_CMD_REQUEST | F_FW_CMD_WRITE |
8310 V_FW_CMD_EXEC(0) |
8311 V_FW_VI_MAC_CMD_VIID(viid));
8312 raw = V_FW_VI_MAC_CMD_ENTRY_TYPE(FW_VI_MAC_TYPE_RAW);
8313 c.freemacs_to_len16 = cpu_to_be32(V_FW_VI_MAC_CMD_FREEMACS(0) |
8314 raw |
8315 V_FW_CMD_LEN16(1));
8316
8317 p->raw_idx_pkd = cpu_to_be32(V_FW_VI_MAC_CMD_RAW_IDX(idx) |
8318 FW_VI_MAC_ID_BASED_FREE);
8319
8320 /* Lookup Type. Outer header: 0, Inner header: 1 */
8321 p->data0_pkd = cpu_to_be32(V_DATALKPTYPE(lookup_type) |
8322 V_DATAPORTNUM(port_id));
8323 /* Lookup mask and port mask */
8324 p->data0m_pkd = cpu_to_be64(V_DATALKPTYPE(M_DATALKPTYPE) |
8325 V_DATAPORTNUM(M_DATAPORTNUM));
8326
8327 /* Copy the address and the mask */
8328 memcpy((u8 *)&p->data1[0] + 2, addr, ETHER_ADDR_LEN);
8329 memcpy((u8 *)&p->data1m[0] + 2, mask, ETHER_ADDR_LEN);
8330
8331 return t4_wr_mbox_meat(adap, adap->mbox, &c, sizeof(c), &c, sleep_ok);
8332 }
8333
8334 /**
8335 * t4_free_mac_filt - frees exact-match filters of given MAC addresses
8336 * @adap: the adapter
8337 * @mbox: mailbox to use for the FW command
8338 * @viid: the VI id
8339 * @naddr: the number of MAC addresses to allocate filters for (up to 7)
8340 * @addr: the MAC address(es)
8341 * @sleep_ok: call is allowed to sleep
8342 *
8343 * Frees the exact-match filter for each of the supplied addresses
8344 *
8345 * Returns a negative error number or the number of filters freed.
8346 */
t4_free_mac_filt(struct adapter * adap,unsigned int mbox,unsigned int viid,unsigned int naddr,const u8 ** addr,bool sleep_ok)8347 int t4_free_mac_filt(struct adapter *adap, unsigned int mbox,
8348 unsigned int viid, unsigned int naddr,
8349 const u8 **addr, bool sleep_ok)
8350 {
8351 int offset, ret = 0;
8352 struct fw_vi_mac_cmd c;
8353 unsigned int nfilters = 0;
8354 unsigned int max_naddr = adap->chip_params->mps_tcam_size;
8355 unsigned int rem = naddr;
8356
8357 if (naddr > max_naddr)
8358 return -EINVAL;
8359
8360 for (offset = 0; offset < (int)naddr ; /**/) {
8361 unsigned int fw_naddr = (rem < ARRAY_SIZE(c.u.exact)
8362 ? rem
8363 : ARRAY_SIZE(c.u.exact));
8364 size_t len16 = DIV_ROUND_UP(offsetof(struct fw_vi_mac_cmd,
8365 u.exact[fw_naddr]), 16);
8366 struct fw_vi_mac_exact *p;
8367 int i;
8368
8369 memset(&c, 0, sizeof(c));
8370 c.op_to_viid = cpu_to_be32(V_FW_CMD_OP(FW_VI_MAC_CMD) |
8371 F_FW_CMD_REQUEST |
8372 F_FW_CMD_WRITE |
8373 V_FW_CMD_EXEC(0) |
8374 V_FW_VI_MAC_CMD_VIID(viid));
8375 c.freemacs_to_len16 =
8376 cpu_to_be32(V_FW_VI_MAC_CMD_FREEMACS(0) |
8377 V_FW_CMD_LEN16(len16));
8378
8379 for (i = 0, p = c.u.exact; i < (int)fw_naddr; i++, p++) {
8380 p->valid_to_idx = cpu_to_be16(
8381 F_FW_VI_MAC_CMD_VALID |
8382 V_FW_VI_MAC_CMD_IDX(FW_VI_MAC_MAC_BASED_FREE));
8383 memcpy(p->macaddr, addr[offset+i], sizeof(p->macaddr));
8384 }
8385
8386 ret = t4_wr_mbox_meat(adap, mbox, &c, sizeof(c), &c, sleep_ok);
8387 if (ret)
8388 break;
8389
8390 for (i = 0, p = c.u.exact; i < fw_naddr; i++, p++) {
8391 u16 index = G_FW_VI_MAC_CMD_IDX(
8392 be16_to_cpu(p->valid_to_idx));
8393
8394 if (index < max_naddr)
8395 nfilters++;
8396 }
8397
8398 offset += fw_naddr;
8399 rem -= fw_naddr;
8400 }
8401
8402 if (ret == 0)
8403 ret = nfilters;
8404 return ret;
8405 }
8406
8407 /**
8408 * t4_change_mac - modifies the exact-match filter for a MAC address
8409 * @adap: the adapter
8410 * @mbox: mailbox to use for the FW command
8411 * @viid: the VI id
8412 * @idx: index of existing filter for old value of MAC address, or -1
8413 * @addr: the new MAC address value
8414 * @persist: whether a new MAC allocation should be persistent
8415 * @smt_idx: add MAC to SMT and return its index, or NULL
8416 *
8417 * Modifies an exact-match filter and sets it to the new MAC address if
8418 * @idx >= 0, or adds the MAC address to a new filter if @idx < 0. In the
8419 * latter case the address is added persistently if @persist is %true.
8420 *
8421 * Note that in general it is not possible to modify the value of a given
8422 * filter so the generic way to modify an address filter is to free the one
8423 * being used by the old address value and allocate a new filter for the
8424 * new address value.
8425 *
8426 * Returns a negative error number or the index of the filter with the new
8427 * MAC value. Note that this index may differ from @idx.
8428 */
t4_change_mac(struct adapter * adap,unsigned int mbox,unsigned int viid,int idx,const u8 * addr,bool persist,uint16_t * smt_idx)8429 int t4_change_mac(struct adapter *adap, unsigned int mbox, unsigned int viid,
8430 int idx, const u8 *addr, bool persist, uint16_t *smt_idx)
8431 {
8432 int ret, mode;
8433 struct fw_vi_mac_cmd c;
8434 struct fw_vi_mac_exact *p = c.u.exact;
8435 unsigned int max_mac_addr = adap->chip_params->mps_tcam_size;
8436
8437 if (idx < 0) /* new allocation */
8438 idx = persist ? FW_VI_MAC_ADD_PERSIST_MAC : FW_VI_MAC_ADD_MAC;
8439 mode = smt_idx ? FW_VI_MAC_SMT_AND_MPSTCAM : FW_VI_MAC_MPS_TCAM_ENTRY;
8440
8441 memset(&c, 0, sizeof(c));
8442 c.op_to_viid = cpu_to_be32(V_FW_CMD_OP(FW_VI_MAC_CMD) |
8443 F_FW_CMD_REQUEST | F_FW_CMD_WRITE |
8444 V_FW_VI_MAC_CMD_VIID(viid));
8445 c.freemacs_to_len16 = cpu_to_be32(V_FW_CMD_LEN16(1));
8446 p->valid_to_idx = cpu_to_be16(F_FW_VI_MAC_CMD_VALID |
8447 V_FW_VI_MAC_CMD_SMAC_RESULT(mode) |
8448 V_FW_VI_MAC_CMD_IDX(idx));
8449 memcpy(p->macaddr, addr, sizeof(p->macaddr));
8450
8451 ret = t4_wr_mbox(adap, mbox, &c, sizeof(c), &c);
8452 if (ret == 0) {
8453 ret = G_FW_VI_MAC_CMD_IDX(be16_to_cpu(p->valid_to_idx));
8454 if (ret >= max_mac_addr)
8455 ret = -ENOMEM;
8456 if (smt_idx) {
8457 if (adap->params.viid_smt_extn_support)
8458 *smt_idx = G_FW_VI_MAC_CMD_SMTID(be32_to_cpu(c.op_to_viid));
8459 else {
8460 if (chip_id(adap) <= CHELSIO_T5)
8461 *smt_idx = (viid & M_FW_VIID_VIN) << 1;
8462 else
8463 *smt_idx = viid & M_FW_VIID_VIN;
8464 }
8465 }
8466 }
8467 return ret;
8468 }
8469
8470 /**
8471 * t4_set_addr_hash - program the MAC inexact-match hash filter
8472 * @adap: the adapter
8473 * @mbox: mailbox to use for the FW command
8474 * @viid: the VI id
8475 * @ucast: whether the hash filter should also match unicast addresses
8476 * @vec: the value to be written to the hash filter
8477 * @sleep_ok: call is allowed to sleep
8478 *
8479 * Sets the 64-bit inexact-match hash filter for a virtual interface.
8480 */
t4_set_addr_hash(struct adapter * adap,unsigned int mbox,unsigned int viid,bool ucast,u64 vec,bool sleep_ok)8481 int t4_set_addr_hash(struct adapter *adap, unsigned int mbox, unsigned int viid,
8482 bool ucast, u64 vec, bool sleep_ok)
8483 {
8484 struct fw_vi_mac_cmd c;
8485 u32 val;
8486
8487 memset(&c, 0, sizeof(c));
8488 c.op_to_viid = cpu_to_be32(V_FW_CMD_OP(FW_VI_MAC_CMD) |
8489 F_FW_CMD_REQUEST | F_FW_CMD_WRITE |
8490 V_FW_VI_ENABLE_CMD_VIID(viid));
8491 val = V_FW_VI_MAC_CMD_ENTRY_TYPE(FW_VI_MAC_TYPE_HASHVEC) |
8492 V_FW_VI_MAC_CMD_HASHUNIEN(ucast) | V_FW_CMD_LEN16(1);
8493 c.freemacs_to_len16 = cpu_to_be32(val);
8494 c.u.hash.hashvec = cpu_to_be64(vec);
8495 return t4_wr_mbox_meat(adap, mbox, &c, sizeof(c), NULL, sleep_ok);
8496 }
8497
8498 /**
8499 * t4_enable_vi_params - enable/disable a virtual interface
8500 * @adap: the adapter
8501 * @mbox: mailbox to use for the FW command
8502 * @viid: the VI id
8503 * @rx_en: 1=enable Rx, 0=disable Rx
8504 * @tx_en: 1=enable Tx, 0=disable Tx
8505 * @dcb_en: 1=enable delivery of Data Center Bridging messages.
8506 *
8507 * Enables/disables a virtual interface. Note that setting DCB Enable
8508 * only makes sense when enabling a Virtual Interface ...
8509 */
t4_enable_vi_params(struct adapter * adap,unsigned int mbox,unsigned int viid,bool rx_en,bool tx_en,bool dcb_en)8510 int t4_enable_vi_params(struct adapter *adap, unsigned int mbox,
8511 unsigned int viid, bool rx_en, bool tx_en, bool dcb_en)
8512 {
8513 struct fw_vi_enable_cmd c;
8514
8515 memset(&c, 0, sizeof(c));
8516 c.op_to_viid = cpu_to_be32(V_FW_CMD_OP(FW_VI_ENABLE_CMD) |
8517 F_FW_CMD_REQUEST | F_FW_CMD_EXEC |
8518 V_FW_VI_ENABLE_CMD_VIID(viid));
8519 c.ien_to_len16 = cpu_to_be32(V_FW_VI_ENABLE_CMD_IEN(rx_en) |
8520 V_FW_VI_ENABLE_CMD_EEN(tx_en) |
8521 V_FW_VI_ENABLE_CMD_DCB_INFO(dcb_en) |
8522 FW_LEN16(c));
8523 return t4_wr_mbox_ns(adap, mbox, &c, sizeof(c), NULL);
8524 }
8525
8526 /**
8527 * t4_enable_vi - enable/disable a virtual interface
8528 * @adap: the adapter
8529 * @mbox: mailbox to use for the FW command
8530 * @viid: the VI id
8531 * @rx_en: 1=enable Rx, 0=disable Rx
8532 * @tx_en: 1=enable Tx, 0=disable Tx
8533 *
8534 * Enables/disables a virtual interface. Note that setting DCB Enable
8535 * only makes sense when enabling a Virtual Interface ...
8536 */
t4_enable_vi(struct adapter * adap,unsigned int mbox,unsigned int viid,bool rx_en,bool tx_en)8537 int t4_enable_vi(struct adapter *adap, unsigned int mbox, unsigned int viid,
8538 bool rx_en, bool tx_en)
8539 {
8540 return t4_enable_vi_params(adap, mbox, viid, rx_en, tx_en, 0);
8541 }
8542
8543 /**
8544 * t4_identify_port - identify a VI's port by blinking its LED
8545 * @adap: the adapter
8546 * @mbox: mailbox to use for the FW command
8547 * @viid: the VI id
8548 * @nblinks: how many times to blink LED at 2.5 Hz
8549 *
8550 * Identifies a VI's port by blinking its LED.
8551 */
t4_identify_port(struct adapter * adap,unsigned int mbox,unsigned int viid,unsigned int nblinks)8552 int t4_identify_port(struct adapter *adap, unsigned int mbox, unsigned int viid,
8553 unsigned int nblinks)
8554 {
8555 struct fw_vi_enable_cmd c;
8556
8557 memset(&c, 0, sizeof(c));
8558 c.op_to_viid = cpu_to_be32(V_FW_CMD_OP(FW_VI_ENABLE_CMD) |
8559 F_FW_CMD_REQUEST | F_FW_CMD_EXEC |
8560 V_FW_VI_ENABLE_CMD_VIID(viid));
8561 c.ien_to_len16 = cpu_to_be32(F_FW_VI_ENABLE_CMD_LED | FW_LEN16(c));
8562 c.blinkdur = cpu_to_be16(nblinks);
8563 return t4_wr_mbox(adap, mbox, &c, sizeof(c), NULL);
8564 }
8565
8566 /**
8567 * t4_iq_stop - stop an ingress queue and its FLs
8568 * @adap: the adapter
8569 * @mbox: mailbox to use for the FW command
8570 * @pf: the PF owning the queues
8571 * @vf: the VF owning the queues
8572 * @iqtype: the ingress queue type (FW_IQ_TYPE_FL_INT_CAP, etc.)
8573 * @iqid: ingress queue id
8574 * @fl0id: FL0 queue id or 0xffff if no attached FL0
8575 * @fl1id: FL1 queue id or 0xffff if no attached FL1
8576 *
8577 * Stops an ingress queue and its associated FLs, if any. This causes
8578 * any current or future data/messages destined for these queues to be
8579 * tossed.
8580 */
t4_iq_stop(struct adapter * adap,unsigned int mbox,unsigned int pf,unsigned int vf,unsigned int iqtype,unsigned int iqid,unsigned int fl0id,unsigned int fl1id)8581 int t4_iq_stop(struct adapter *adap, unsigned int mbox, unsigned int pf,
8582 unsigned int vf, unsigned int iqtype, unsigned int iqid,
8583 unsigned int fl0id, unsigned int fl1id)
8584 {
8585 struct fw_iq_cmd c;
8586
8587 memset(&c, 0, sizeof(c));
8588 c.op_to_vfn = cpu_to_be32(V_FW_CMD_OP(FW_IQ_CMD) | F_FW_CMD_REQUEST |
8589 F_FW_CMD_EXEC | V_FW_IQ_CMD_PFN(pf) |
8590 V_FW_IQ_CMD_VFN(vf));
8591 c.alloc_to_len16 = cpu_to_be32(F_FW_IQ_CMD_IQSTOP | FW_LEN16(c));
8592 c.type_to_iqandstindex = cpu_to_be32(V_FW_IQ_CMD_TYPE(iqtype));
8593 c.iqid = cpu_to_be16(iqid);
8594 c.fl0id = cpu_to_be16(fl0id);
8595 c.fl1id = cpu_to_be16(fl1id);
8596 return t4_wr_mbox(adap, mbox, &c, sizeof(c), NULL);
8597 }
8598
8599 /**
8600 * t4_iq_free - free an ingress queue and its FLs
8601 * @adap: the adapter
8602 * @mbox: mailbox to use for the FW command
8603 * @pf: the PF owning the queues
8604 * @vf: the VF owning the queues
8605 * @iqtype: the ingress queue type (FW_IQ_TYPE_FL_INT_CAP, etc.)
8606 * @iqid: ingress queue id
8607 * @fl0id: FL0 queue id or 0xffff if no attached FL0
8608 * @fl1id: FL1 queue id or 0xffff if no attached FL1
8609 *
8610 * Frees an ingress queue and its associated FLs, if any.
8611 */
t4_iq_free(struct adapter * adap,unsigned int mbox,unsigned int pf,unsigned int vf,unsigned int iqtype,unsigned int iqid,unsigned int fl0id,unsigned int fl1id)8612 int t4_iq_free(struct adapter *adap, unsigned int mbox, unsigned int pf,
8613 unsigned int vf, unsigned int iqtype, unsigned int iqid,
8614 unsigned int fl0id, unsigned int fl1id)
8615 {
8616 struct fw_iq_cmd c;
8617
8618 memset(&c, 0, sizeof(c));
8619 c.op_to_vfn = cpu_to_be32(V_FW_CMD_OP(FW_IQ_CMD) | F_FW_CMD_REQUEST |
8620 F_FW_CMD_EXEC | V_FW_IQ_CMD_PFN(pf) |
8621 V_FW_IQ_CMD_VFN(vf));
8622 c.alloc_to_len16 = cpu_to_be32(F_FW_IQ_CMD_FREE | FW_LEN16(c));
8623 c.type_to_iqandstindex = cpu_to_be32(V_FW_IQ_CMD_TYPE(iqtype));
8624 c.iqid = cpu_to_be16(iqid);
8625 c.fl0id = cpu_to_be16(fl0id);
8626 c.fl1id = cpu_to_be16(fl1id);
8627 return t4_wr_mbox(adap, mbox, &c, sizeof(c), NULL);
8628 }
8629
8630 /**
8631 * t4_eth_eq_stop - stop an Ethernet egress queue
8632 * @adap: the adapter
8633 * @mbox: mailbox to use for the FW command
8634 * @pf: the PF owning the queues
8635 * @vf: the VF owning the queues
8636 * @eqid: egress queue id
8637 *
8638 * Stops an Ethernet egress queue. The queue can be reinitialized or
8639 * freed but is not otherwise functional after this call.
8640 */
t4_eth_eq_stop(struct adapter * adap,unsigned int mbox,unsigned int pf,unsigned int vf,unsigned int eqid)8641 int t4_eth_eq_stop(struct adapter *adap, unsigned int mbox, unsigned int pf,
8642 unsigned int vf, unsigned int eqid)
8643 {
8644 struct fw_eq_eth_cmd c;
8645
8646 memset(&c, 0, sizeof(c));
8647 c.op_to_vfn = cpu_to_be32(V_FW_CMD_OP(FW_EQ_ETH_CMD) |
8648 F_FW_CMD_REQUEST | F_FW_CMD_EXEC |
8649 V_FW_EQ_ETH_CMD_PFN(pf) |
8650 V_FW_EQ_ETH_CMD_VFN(vf));
8651 c.alloc_to_len16 = cpu_to_be32(F_FW_EQ_ETH_CMD_EQSTOP | FW_LEN16(c));
8652 c.eqid_pkd = cpu_to_be32(V_FW_EQ_ETH_CMD_EQID(eqid));
8653 return t4_wr_mbox(adap, mbox, &c, sizeof(c), NULL);
8654 }
8655
8656 /**
8657 * t4_eth_eq_free - free an Ethernet egress queue
8658 * @adap: the adapter
8659 * @mbox: mailbox to use for the FW command
8660 * @pf: the PF owning the queue
8661 * @vf: the VF owning the queue
8662 * @eqid: egress queue id
8663 *
8664 * Frees an Ethernet egress queue.
8665 */
t4_eth_eq_free(struct adapter * adap,unsigned int mbox,unsigned int pf,unsigned int vf,unsigned int eqid)8666 int t4_eth_eq_free(struct adapter *adap, unsigned int mbox, unsigned int pf,
8667 unsigned int vf, unsigned int eqid)
8668 {
8669 struct fw_eq_eth_cmd c;
8670
8671 memset(&c, 0, sizeof(c));
8672 c.op_to_vfn = cpu_to_be32(V_FW_CMD_OP(FW_EQ_ETH_CMD) |
8673 F_FW_CMD_REQUEST | F_FW_CMD_EXEC |
8674 V_FW_EQ_ETH_CMD_PFN(pf) |
8675 V_FW_EQ_ETH_CMD_VFN(vf));
8676 c.alloc_to_len16 = cpu_to_be32(F_FW_EQ_ETH_CMD_FREE | FW_LEN16(c));
8677 c.eqid_pkd = cpu_to_be32(V_FW_EQ_ETH_CMD_EQID(eqid));
8678 return t4_wr_mbox(adap, mbox, &c, sizeof(c), NULL);
8679 }
8680
8681 /**
8682 * t4_ctrl_eq_free - free a control egress queue
8683 * @adap: the adapter
8684 * @mbox: mailbox to use for the FW command
8685 * @pf: the PF owning the queue
8686 * @vf: the VF owning the queue
8687 * @eqid: egress queue id
8688 *
8689 * Frees a control egress queue.
8690 */
t4_ctrl_eq_free(struct adapter * adap,unsigned int mbox,unsigned int pf,unsigned int vf,unsigned int eqid)8691 int t4_ctrl_eq_free(struct adapter *adap, unsigned int mbox, unsigned int pf,
8692 unsigned int vf, unsigned int eqid)
8693 {
8694 struct fw_eq_ctrl_cmd c;
8695
8696 memset(&c, 0, sizeof(c));
8697 c.op_to_vfn = cpu_to_be32(V_FW_CMD_OP(FW_EQ_CTRL_CMD) |
8698 F_FW_CMD_REQUEST | F_FW_CMD_EXEC |
8699 V_FW_EQ_CTRL_CMD_PFN(pf) |
8700 V_FW_EQ_CTRL_CMD_VFN(vf));
8701 c.alloc_to_len16 = cpu_to_be32(F_FW_EQ_CTRL_CMD_FREE | FW_LEN16(c));
8702 c.cmpliqid_eqid = cpu_to_be32(V_FW_EQ_CTRL_CMD_EQID(eqid));
8703 return t4_wr_mbox(adap, mbox, &c, sizeof(c), NULL);
8704 }
8705
8706 /**
8707 * t4_ofld_eq_free - free an offload egress queue
8708 * @adap: the adapter
8709 * @mbox: mailbox to use for the FW command
8710 * @pf: the PF owning the queue
8711 * @vf: the VF owning the queue
8712 * @eqid: egress queue id
8713 *
8714 * Frees a control egress queue.
8715 */
t4_ofld_eq_free(struct adapter * adap,unsigned int mbox,unsigned int pf,unsigned int vf,unsigned int eqid)8716 int t4_ofld_eq_free(struct adapter *adap, unsigned int mbox, unsigned int pf,
8717 unsigned int vf, unsigned int eqid)
8718 {
8719 struct fw_eq_ofld_cmd c;
8720
8721 memset(&c, 0, sizeof(c));
8722 c.op_to_vfn = cpu_to_be32(V_FW_CMD_OP(FW_EQ_OFLD_CMD) |
8723 F_FW_CMD_REQUEST | F_FW_CMD_EXEC |
8724 V_FW_EQ_OFLD_CMD_PFN(pf) |
8725 V_FW_EQ_OFLD_CMD_VFN(vf));
8726 c.alloc_to_len16 = cpu_to_be32(F_FW_EQ_OFLD_CMD_FREE | FW_LEN16(c));
8727 c.eqid_pkd = cpu_to_be32(V_FW_EQ_OFLD_CMD_EQID(eqid));
8728 return t4_wr_mbox(adap, mbox, &c, sizeof(c), NULL);
8729 }
8730
8731 /**
8732 * t4_link_down_rc_str - return a string for a Link Down Reason Code
8733 * @link_down_rc: Link Down Reason Code
8734 *
8735 * Returns a string representation of the Link Down Reason Code.
8736 */
t4_link_down_rc_str(unsigned char link_down_rc)8737 const char *t4_link_down_rc_str(unsigned char link_down_rc)
8738 {
8739 static const char *reason[] = {
8740 "Link Down",
8741 "Remote Fault",
8742 "Auto-negotiation Failure",
8743 "Reserved3",
8744 "Insufficient Airflow",
8745 "Unable To Determine Reason",
8746 "No RX Signal Detected",
8747 "Reserved7",
8748 };
8749
8750 if (link_down_rc >= ARRAY_SIZE(reason))
8751 return "Bad Reason Code";
8752
8753 return reason[link_down_rc];
8754 }
8755
8756 /*
8757 * Return the highest speed set in the port capabilities, in Mb/s.
8758 */
fwcap_to_speed(uint32_t caps)8759 unsigned int fwcap_to_speed(uint32_t caps)
8760 {
8761 #define TEST_SPEED_RETURN(__caps_speed, __speed) \
8762 do { \
8763 if (caps & FW_PORT_CAP32_SPEED_##__caps_speed) \
8764 return __speed; \
8765 } while (0)
8766
8767 TEST_SPEED_RETURN(400G, 400000);
8768 TEST_SPEED_RETURN(200G, 200000);
8769 TEST_SPEED_RETURN(100G, 100000);
8770 TEST_SPEED_RETURN(50G, 50000);
8771 TEST_SPEED_RETURN(40G, 40000);
8772 TEST_SPEED_RETURN(25G, 25000);
8773 TEST_SPEED_RETURN(10G, 10000);
8774 TEST_SPEED_RETURN(1G, 1000);
8775 TEST_SPEED_RETURN(100M, 100);
8776
8777 #undef TEST_SPEED_RETURN
8778
8779 return 0;
8780 }
8781
8782 /*
8783 * Return the port capabilities bit for the given speed, which is in Mb/s.
8784 */
speed_to_fwcap(unsigned int speed)8785 uint32_t speed_to_fwcap(unsigned int speed)
8786 {
8787 #define TEST_SPEED_RETURN(__caps_speed, __speed) \
8788 do { \
8789 if (speed == __speed) \
8790 return FW_PORT_CAP32_SPEED_##__caps_speed; \
8791 } while (0)
8792
8793 TEST_SPEED_RETURN(400G, 400000);
8794 TEST_SPEED_RETURN(200G, 200000);
8795 TEST_SPEED_RETURN(100G, 100000);
8796 TEST_SPEED_RETURN(50G, 50000);
8797 TEST_SPEED_RETURN(40G, 40000);
8798 TEST_SPEED_RETURN(25G, 25000);
8799 TEST_SPEED_RETURN(10G, 10000);
8800 TEST_SPEED_RETURN(1G, 1000);
8801 TEST_SPEED_RETURN(100M, 100);
8802
8803 #undef TEST_SPEED_RETURN
8804
8805 return 0;
8806 }
8807
8808 /*
8809 * Return the port capabilities bit for the highest speed in the capabilities.
8810 */
fwcap_top_speed(uint32_t caps)8811 uint32_t fwcap_top_speed(uint32_t caps)
8812 {
8813 #define TEST_SPEED_RETURN(__caps_speed) \
8814 do { \
8815 if (caps & FW_PORT_CAP32_SPEED_##__caps_speed) \
8816 return FW_PORT_CAP32_SPEED_##__caps_speed; \
8817 } while (0)
8818
8819 TEST_SPEED_RETURN(400G);
8820 TEST_SPEED_RETURN(200G);
8821 TEST_SPEED_RETURN(100G);
8822 TEST_SPEED_RETURN(50G);
8823 TEST_SPEED_RETURN(40G);
8824 TEST_SPEED_RETURN(25G);
8825 TEST_SPEED_RETURN(10G);
8826 TEST_SPEED_RETURN(1G);
8827 TEST_SPEED_RETURN(100M);
8828
8829 #undef TEST_SPEED_RETURN
8830
8831 return 0;
8832 }
8833
8834 /**
8835 * lstatus_to_fwcap - translate old lstatus to 32-bit Port Capabilities
8836 * @lstatus: old FW_PORT_ACTION_GET_PORT_INFO lstatus value
8837 *
8838 * Translates old FW_PORT_ACTION_GET_PORT_INFO lstatus field into new
8839 * 32-bit Port Capabilities value.
8840 */
lstatus_to_fwcap(u32 lstatus)8841 static uint32_t lstatus_to_fwcap(u32 lstatus)
8842 {
8843 uint32_t linkattr = 0;
8844
8845 /*
8846 * Unfortunately the format of the Link Status in the old
8847 * 16-bit Port Information message isn't the same as the
8848 * 16-bit Port Capabilities bitfield used everywhere else ...
8849 */
8850 if (lstatus & F_FW_PORT_CMD_RXPAUSE)
8851 linkattr |= FW_PORT_CAP32_FC_RX;
8852 if (lstatus & F_FW_PORT_CMD_TXPAUSE)
8853 linkattr |= FW_PORT_CAP32_FC_TX;
8854 if (lstatus & V_FW_PORT_CMD_LSPEED(FW_PORT_CAP_SPEED_100M))
8855 linkattr |= FW_PORT_CAP32_SPEED_100M;
8856 if (lstatus & V_FW_PORT_CMD_LSPEED(FW_PORT_CAP_SPEED_1G))
8857 linkattr |= FW_PORT_CAP32_SPEED_1G;
8858 if (lstatus & V_FW_PORT_CMD_LSPEED(FW_PORT_CAP_SPEED_10G))
8859 linkattr |= FW_PORT_CAP32_SPEED_10G;
8860 if (lstatus & V_FW_PORT_CMD_LSPEED(FW_PORT_CAP_SPEED_25G))
8861 linkattr |= FW_PORT_CAP32_SPEED_25G;
8862 if (lstatus & V_FW_PORT_CMD_LSPEED(FW_PORT_CAP_SPEED_40G))
8863 linkattr |= FW_PORT_CAP32_SPEED_40G;
8864 if (lstatus & V_FW_PORT_CMD_LSPEED(FW_PORT_CAP_SPEED_100G))
8865 linkattr |= FW_PORT_CAP32_SPEED_100G;
8866
8867 return linkattr;
8868 }
8869
8870 /*
8871 * Updates all fields owned by the common code in port_info and link_config
8872 * based on information provided by the firmware. Does not touch any
8873 * requested_* field.
8874 */
handle_port_info(struct port_info * pi,const struct fw_port_cmd * p,enum fw_port_action action,bool * mod_changed,bool * link_changed)8875 static void handle_port_info(struct port_info *pi, const struct fw_port_cmd *p,
8876 enum fw_port_action action, bool *mod_changed, bool *link_changed)
8877 {
8878 struct link_config old_lc, *lc = &pi->link_cfg;
8879 unsigned char fc;
8880 u32 stat, linkattr;
8881 int old_ptype, old_mtype;
8882
8883 old_ptype = pi->port_type;
8884 old_mtype = pi->mod_type;
8885 old_lc = *lc;
8886 if (action == FW_PORT_ACTION_GET_PORT_INFO) {
8887 stat = be32_to_cpu(p->u.info.lstatus_to_modtype);
8888
8889 pi->port_type = G_FW_PORT_CMD_PTYPE(stat);
8890 pi->mod_type = G_FW_PORT_CMD_MODTYPE(stat);
8891 pi->mdio_addr = stat & F_FW_PORT_CMD_MDIOCAP ?
8892 G_FW_PORT_CMD_MDIOADDR(stat) : -1;
8893
8894 lc->pcaps = fwcaps16_to_caps32(be16_to_cpu(p->u.info.pcap));
8895 lc->acaps = fwcaps16_to_caps32(be16_to_cpu(p->u.info.acap));
8896 lc->lpacaps = fwcaps16_to_caps32(be16_to_cpu(p->u.info.lpacap));
8897 lc->link_ok = (stat & F_FW_PORT_CMD_LSTATUS) != 0;
8898 lc->link_down_rc = G_FW_PORT_CMD_LINKDNRC(stat);
8899
8900 linkattr = lstatus_to_fwcap(stat);
8901 } else if (action == FW_PORT_ACTION_GET_PORT_INFO32) {
8902 stat = be32_to_cpu(p->u.info32.lstatus32_to_cbllen32);
8903
8904 pi->port_type = G_FW_PORT_CMD_PORTTYPE32(stat);
8905 pi->mod_type = G_FW_PORT_CMD_MODTYPE32(stat);
8906 pi->mdio_addr = stat & F_FW_PORT_CMD_MDIOCAP32 ?
8907 G_FW_PORT_CMD_MDIOADDR32(stat) : -1;
8908
8909 lc->pcaps = be32_to_cpu(p->u.info32.pcaps32);
8910 lc->acaps = be32_to_cpu(p->u.info32.acaps32);
8911 lc->lpacaps = be32_to_cpu(p->u.info32.lpacaps32);
8912 lc->link_ok = (stat & F_FW_PORT_CMD_LSTATUS32) != 0;
8913 lc->link_down_rc = G_FW_PORT_CMD_LINKDNRC32(stat);
8914
8915 linkattr = be32_to_cpu(p->u.info32.linkattr32);
8916 } else {
8917 CH_ERR(pi->adapter, "bad port_info action 0x%x\n", action);
8918 return;
8919 }
8920
8921 lc->speed = fwcap_to_speed(linkattr);
8922 lc->fec = fwcap_to_fec(linkattr, true);
8923
8924 fc = 0;
8925 if (linkattr & FW_PORT_CAP32_FC_RX)
8926 fc |= PAUSE_RX;
8927 if (linkattr & FW_PORT_CAP32_FC_TX)
8928 fc |= PAUSE_TX;
8929 lc->fc = fc;
8930
8931 if (mod_changed != NULL)
8932 *mod_changed = false;
8933 if (link_changed != NULL)
8934 *link_changed = false;
8935 if (old_ptype != pi->port_type || old_mtype != pi->mod_type ||
8936 old_lc.pcaps != lc->pcaps) {
8937 if (pi->mod_type != FW_PORT_MOD_TYPE_NONE)
8938 lc->fec_hint = fwcap_to_fec(lc->acaps, true);
8939 if (mod_changed != NULL)
8940 *mod_changed = true;
8941 }
8942 if (old_lc.link_ok != lc->link_ok || old_lc.speed != lc->speed ||
8943 old_lc.fec != lc->fec || old_lc.fc != lc->fc) {
8944 if (link_changed != NULL)
8945 *link_changed = true;
8946 }
8947 }
8948
8949 /**
8950 * t4_update_port_info - retrieve and update port information if changed
8951 * @pi: the port_info
8952 *
8953 * We issue a Get Port Information Command to the Firmware and, if
8954 * successful, we check to see if anything is different from what we
8955 * last recorded and update things accordingly.
8956 */
t4_update_port_info(struct port_info * pi)8957 int t4_update_port_info(struct port_info *pi)
8958 {
8959 struct adapter *sc = pi->adapter;
8960 struct fw_port_cmd cmd;
8961 enum fw_port_action action;
8962 int ret;
8963
8964 memset(&cmd, 0, sizeof(cmd));
8965 cmd.op_to_portid = cpu_to_be32(V_FW_CMD_OP(FW_PORT_CMD) |
8966 F_FW_CMD_REQUEST | F_FW_CMD_READ |
8967 V_FW_PORT_CMD_PORTID(pi->tx_chan));
8968 action = sc->params.port_caps32 ? FW_PORT_ACTION_GET_PORT_INFO32 :
8969 FW_PORT_ACTION_GET_PORT_INFO;
8970 cmd.action_to_len16 = cpu_to_be32(V_FW_PORT_CMD_ACTION(action) |
8971 FW_LEN16(cmd));
8972 ret = t4_wr_mbox_ns(sc, sc->mbox, &cmd, sizeof(cmd), &cmd);
8973 if (ret)
8974 return ret;
8975
8976 handle_port_info(pi, &cmd, action, NULL, NULL);
8977 return 0;
8978 }
8979
8980 /**
8981 * t4_handle_fw_rpl - process a FW reply message
8982 * @adap: the adapter
8983 * @rpl: start of the FW message
8984 *
8985 * Processes a FW message, such as link state change messages.
8986 */
t4_handle_fw_rpl(struct adapter * adap,const __be64 * rpl)8987 int t4_handle_fw_rpl(struct adapter *adap, const __be64 *rpl)
8988 {
8989 u8 opcode = *(const u8 *)rpl;
8990 const struct fw_port_cmd *p = (const void *)rpl;
8991 enum fw_port_action action =
8992 G_FW_PORT_CMD_ACTION(be32_to_cpu(p->action_to_len16));
8993 bool mod_changed, link_changed;
8994
8995 if (opcode == FW_PORT_CMD &&
8996 (action == FW_PORT_ACTION_GET_PORT_INFO ||
8997 action == FW_PORT_ACTION_GET_PORT_INFO32)) {
8998 /* link/module state change message */
8999 int i;
9000 int chan = G_FW_PORT_CMD_PORTID(be32_to_cpu(p->op_to_portid));
9001 struct port_info *pi = NULL;
9002
9003 for_each_port(adap, i) {
9004 pi = adap2pinfo(adap, i);
9005 if (pi->tx_chan == chan)
9006 break;
9007 }
9008
9009 PORT_LOCK(pi);
9010 handle_port_info(pi, p, action, &mod_changed, &link_changed);
9011 PORT_UNLOCK(pi);
9012 if (mod_changed)
9013 t4_os_portmod_changed(pi);
9014 if (link_changed) {
9015 PORT_LOCK(pi);
9016 t4_os_link_changed(pi);
9017 PORT_UNLOCK(pi);
9018 }
9019 } else {
9020 CH_WARN_RATELIMIT(adap, "Unknown firmware reply %d\n", opcode);
9021 return -EINVAL;
9022 }
9023 return 0;
9024 }
9025
9026 /**
9027 * get_pci_mode - determine a card's PCI mode
9028 * @adapter: the adapter
9029 * @p: where to store the PCI settings
9030 *
9031 * Determines a card's PCI mode and associated parameters, such as speed
9032 * and width.
9033 */
get_pci_mode(struct adapter * adapter,struct pci_params * p)9034 static void get_pci_mode(struct adapter *adapter,
9035 struct pci_params *p)
9036 {
9037 u16 val;
9038 u32 pcie_cap;
9039
9040 pcie_cap = t4_os_find_pci_capability(adapter, PCI_CAP_ID_EXP);
9041 if (pcie_cap) {
9042 t4_os_pci_read_cfg2(adapter, pcie_cap + PCI_EXP_LNKSTA, &val);
9043 p->speed = val & PCI_EXP_LNKSTA_CLS;
9044 p->width = (val & PCI_EXP_LNKSTA_NLW) >> 4;
9045 }
9046 }
9047
9048 struct flash_desc {
9049 u32 vendor_and_model_id;
9050 u32 size_mb;
9051 };
9052
t4_get_flash_params(struct adapter * adapter)9053 int t4_get_flash_params(struct adapter *adapter)
9054 {
9055 /*
9056 * Table for non-standard supported Flash parts. Note, all Flash
9057 * parts must have 64KB sectors.
9058 */
9059 static struct flash_desc supported_flash[] = {
9060 { 0x00150201, 4 << 20 }, /* Spansion 4MB S25FL032P */
9061 };
9062
9063 int ret;
9064 u32 flashid = 0;
9065 unsigned int part, manufacturer;
9066 unsigned int density, size = 0;
9067
9068
9069 /*
9070 * Issue a Read ID Command to the Flash part. We decode supported
9071 * Flash parts and their sizes from this. There's a newer Query
9072 * Command which can retrieve detailed geometry information but many
9073 * Flash parts don't support it.
9074 */
9075 ret = sf1_write(adapter, 1, 1, 0, SF_RD_ID);
9076 if (!ret)
9077 ret = sf1_read(adapter, 3, 0, 1, &flashid);
9078 t4_write_reg(adapter, A_SF_OP, 0); /* unlock SF */
9079 if (ret < 0)
9080 return ret;
9081
9082 /*
9083 * Check to see if it's one of our non-standard supported Flash parts.
9084 */
9085 for (part = 0; part < ARRAY_SIZE(supported_flash); part++)
9086 if (supported_flash[part].vendor_and_model_id == flashid) {
9087 adapter->params.sf_size =
9088 supported_flash[part].size_mb;
9089 adapter->params.sf_nsec =
9090 adapter->params.sf_size / SF_SEC_SIZE;
9091 goto found;
9092 }
9093
9094 /*
9095 * Decode Flash part size. The code below looks repetative with
9096 * common encodings, but that's not guaranteed in the JEDEC
9097 * specification for the Read JADEC ID command. The only thing that
9098 * we're guaranteed by the JADEC specification is where the
9099 * Manufacturer ID is in the returned result. After that each
9100 * Manufacturer ~could~ encode things completely differently.
9101 * Note, all Flash parts must have 64KB sectors.
9102 */
9103 manufacturer = flashid & 0xff;
9104 switch (manufacturer) {
9105 case 0x20: /* Micron/Numonix */
9106 /*
9107 * This Density -> Size decoding table is taken from Micron
9108 * Data Sheets.
9109 */
9110 density = (flashid >> 16) & 0xff;
9111 switch (density) {
9112 case 0x14: size = 1 << 20; break; /* 1MB */
9113 case 0x15: size = 1 << 21; break; /* 2MB */
9114 case 0x16: size = 1 << 22; break; /* 4MB */
9115 case 0x17: size = 1 << 23; break; /* 8MB */
9116 case 0x18: size = 1 << 24; break; /* 16MB */
9117 case 0x19: size = 1 << 25; break; /* 32MB */
9118 case 0x20: size = 1 << 26; break; /* 64MB */
9119 case 0x21: size = 1 << 27; break; /* 128MB */
9120 case 0x22: size = 1 << 28; break; /* 256MB */
9121 }
9122 break;
9123
9124 case 0x9d: /* ISSI -- Integrated Silicon Solution, Inc. */
9125 /*
9126 * This Density -> Size decoding table is taken from ISSI
9127 * Data Sheets.
9128 */
9129 density = (flashid >> 16) & 0xff;
9130 switch (density) {
9131 case 0x16: size = 1 << 25; break; /* 32MB */
9132 case 0x17: size = 1 << 26; break; /* 64MB */
9133 }
9134 break;
9135
9136 case 0xc2: /* Macronix */
9137 /*
9138 * This Density -> Size decoding table is taken from Macronix
9139 * Data Sheets.
9140 */
9141 density = (flashid >> 16) & 0xff;
9142 switch (density) {
9143 case 0x17: size = 1 << 23; break; /* 8MB */
9144 case 0x18: size = 1 << 24; break; /* 16MB */
9145 }
9146 break;
9147
9148 case 0xef: /* Winbond */
9149 /*
9150 * This Density -> Size decoding table is taken from Winbond
9151 * Data Sheets.
9152 */
9153 density = (flashid >> 16) & 0xff;
9154 switch (density) {
9155 case 0x17: size = 1 << 23; break; /* 8MB */
9156 case 0x18: size = 1 << 24; break; /* 16MB */
9157 }
9158 break;
9159 }
9160
9161 /* If we didn't recognize the FLASH part, that's no real issue: the
9162 * Hardware/Software contract says that Hardware will _*ALWAYS*_
9163 * use a FLASH part which is at least 4MB in size and has 64KB
9164 * sectors. The unrecognized FLASH part is likely to be much larger
9165 * than 4MB, but that's all we really need.
9166 */
9167 if (size == 0) {
9168 CH_WARN(adapter, "Unknown Flash Part, ID = %#x, assuming 4MB\n", flashid);
9169 size = 1 << 22;
9170 }
9171
9172 /*
9173 * Store decoded Flash size and fall through into vetting code.
9174 */
9175 adapter->params.sf_size = size;
9176 adapter->params.sf_nsec = size / SF_SEC_SIZE;
9177
9178 found:
9179 /*
9180 * We should ~probably~ reject adapters with FLASHes which are too
9181 * small but we have some legacy FPGAs with small FLASHes that we'd
9182 * still like to use. So instead we emit a scary message ...
9183 */
9184 if (adapter->params.sf_size < FLASH_MIN_SIZE)
9185 CH_WARN(adapter, "WARNING: Flash Part ID %#x, size %#x < %#x\n",
9186 flashid, adapter->params.sf_size, FLASH_MIN_SIZE);
9187
9188 return 0;
9189 }
9190
set_pcie_completion_timeout(struct adapter * adapter,u8 range)9191 static void set_pcie_completion_timeout(struct adapter *adapter,
9192 u8 range)
9193 {
9194 u16 val;
9195 u32 pcie_cap;
9196
9197 pcie_cap = t4_os_find_pci_capability(adapter, PCI_CAP_ID_EXP);
9198 if (pcie_cap) {
9199 t4_os_pci_read_cfg2(adapter, pcie_cap + PCI_EXP_DEVCTL2, &val);
9200 val &= 0xfff0;
9201 val |= range ;
9202 t4_os_pci_write_cfg2(adapter, pcie_cap + PCI_EXP_DEVCTL2, val);
9203 }
9204 }
9205
t4_get_chip_params(int chipid)9206 const struct chip_params *t4_get_chip_params(int chipid)
9207 {
9208 static const struct chip_params chip_params[] = {
9209 {
9210 /* T4 */
9211 .nchan = NCHAN,
9212 .pm_stats_cnt = PM_NSTATS,
9213 .cng_ch_bits_log = 2,
9214 .nsched_cls = 15,
9215 .cim_num_obq = CIM_NUM_OBQ,
9216 .filter_opt_len = FILTER_OPT_LEN,
9217 .mps_rplc_size = 128,
9218 .vfcount = 128,
9219 .sge_fl_db = F_DBPRIO,
9220 .mps_tcam_size = NUM_MPS_CLS_SRAM_L_INSTANCES,
9221 .rss_nentries = RSS_NENTRIES,
9222 .cim_la_size = CIMLA_SIZE,
9223 },
9224 {
9225 /* T5 */
9226 .nchan = NCHAN,
9227 .pm_stats_cnt = PM_NSTATS,
9228 .cng_ch_bits_log = 2,
9229 .nsched_cls = 16,
9230 .cim_num_obq = CIM_NUM_OBQ_T5,
9231 .filter_opt_len = T5_FILTER_OPT_LEN,
9232 .mps_rplc_size = 128,
9233 .vfcount = 128,
9234 .sge_fl_db = F_DBPRIO | F_DBTYPE,
9235 .mps_tcam_size = NUM_MPS_T5_CLS_SRAM_L_INSTANCES,
9236 .rss_nentries = RSS_NENTRIES,
9237 .cim_la_size = CIMLA_SIZE,
9238 },
9239 {
9240 /* T6 */
9241 .nchan = T6_NCHAN,
9242 .pm_stats_cnt = T6_PM_NSTATS,
9243 .cng_ch_bits_log = 3,
9244 .nsched_cls = 16,
9245 .cim_num_obq = CIM_NUM_OBQ_T5,
9246 .filter_opt_len = T5_FILTER_OPT_LEN,
9247 .mps_rplc_size = 256,
9248 .vfcount = 256,
9249 .sge_fl_db = 0,
9250 .mps_tcam_size = NUM_MPS_T5_CLS_SRAM_L_INSTANCES,
9251 .rss_nentries = T6_RSS_NENTRIES,
9252 .cim_la_size = CIMLA_SIZE_T6,
9253 },
9254 };
9255
9256 chipid -= CHELSIO_T4;
9257 if (chipid < 0 || chipid >= ARRAY_SIZE(chip_params))
9258 return NULL;
9259
9260 return &chip_params[chipid];
9261 }
9262
9263 /**
9264 * t4_prep_adapter - prepare SW and HW for operation
9265 * @adapter: the adapter
9266 * @buf: temporary space of at least VPD_LEN size provided by the caller.
9267 *
9268 * Initialize adapter SW state for the various HW modules, set initial
9269 * values for some adapter tunables, take PHYs out of reset, and
9270 * initialize the MDIO interface.
9271 */
t4_prep_adapter(struct adapter * adapter,u32 * buf)9272 int t4_prep_adapter(struct adapter *adapter, u32 *buf)
9273 {
9274 int ret;
9275 uint16_t device_id;
9276 uint32_t pl_rev;
9277
9278 get_pci_mode(adapter, &adapter->params.pci);
9279
9280 pl_rev = t4_read_reg(adapter, A_PL_REV);
9281 adapter->params.chipid = G_CHIPID(pl_rev);
9282 adapter->params.rev = G_REV(pl_rev);
9283 if (adapter->params.chipid == 0) {
9284 /* T4 did not have chipid in PL_REV (T5 onwards do) */
9285 adapter->params.chipid = CHELSIO_T4;
9286
9287 /* T4A1 chip is not supported */
9288 if (adapter->params.rev == 1) {
9289 CH_ALERT(adapter, "T4 rev 1 chip is not supported.\n");
9290 return -EINVAL;
9291 }
9292 }
9293
9294 adapter->chip_params = t4_get_chip_params(chip_id(adapter));
9295 if (adapter->chip_params == NULL)
9296 return -EINVAL;
9297
9298 adapter->params.pci.vpd_cap_addr =
9299 t4_os_find_pci_capability(adapter, PCI_CAP_ID_VPD);
9300
9301 ret = t4_get_flash_params(adapter);
9302 if (ret < 0)
9303 return ret;
9304
9305 /* Cards with real ASICs have the chipid in the PCIe device id */
9306 t4_os_pci_read_cfg2(adapter, PCI_DEVICE_ID, &device_id);
9307 if (device_id >> 12 == chip_id(adapter))
9308 adapter->params.cim_la_size = adapter->chip_params->cim_la_size;
9309 else {
9310 /* FPGA */
9311 adapter->params.fpga = 1;
9312 adapter->params.cim_la_size = 2 * adapter->chip_params->cim_la_size;
9313 }
9314
9315 ret = get_vpd_params(adapter, &adapter->params.vpd, device_id, buf);
9316 if (ret < 0)
9317 return ret;
9318
9319 init_cong_ctrl(adapter->params.a_wnd, adapter->params.b_wnd);
9320
9321 /*
9322 * Default port and clock for debugging in case we can't reach FW.
9323 */
9324 adapter->params.nports = 1;
9325 adapter->params.portvec = 1;
9326 adapter->params.vpd.cclk = 50000;
9327
9328 /* Set pci completion timeout value to 4 seconds. */
9329 set_pcie_completion_timeout(adapter, 0xd);
9330 return 0;
9331 }
9332
9333 /**
9334 * t4_shutdown_adapter - shut down adapter, host & wire
9335 * @adapter: the adapter
9336 *
9337 * Perform an emergency shutdown of the adapter and stop it from
9338 * continuing any further communication on the ports or DMA to the
9339 * host. This is typically used when the adapter and/or firmware
9340 * have crashed and we want to prevent any further accidental
9341 * communication with the rest of the world. This will also force
9342 * the port Link Status to go down -- if register writes work --
9343 * which should help our peers figure out that we're down.
9344 */
t4_shutdown_adapter(struct adapter * adapter)9345 int t4_shutdown_adapter(struct adapter *adapter)
9346 {
9347 int port;
9348 const bool bt = adapter->bt_map != 0;
9349
9350 t4_intr_disable(adapter);
9351 if (bt)
9352 t4_write_reg(adapter, A_DBG_GPIO_EN, 0xffff0000);
9353 for_each_port(adapter, port) {
9354 u32 a_port_cfg = is_t4(adapter) ?
9355 t4_port_reg(adapter, port, A_XGMAC_PORT_CFG) :
9356 t4_port_reg(adapter, port, A_MAC_PORT_CFG);
9357
9358 t4_write_reg(adapter, a_port_cfg,
9359 t4_read_reg(adapter, a_port_cfg)
9360 & ~V_SIGNAL_DET(1));
9361 if (!bt) {
9362 u32 hss_cfg0 = is_t4(adapter) ?
9363 t4_port_reg(adapter, port, A_XGMAC_PORT_HSS_CFG0) :
9364 t4_port_reg(adapter, port, A_MAC_PORT_HSS_CFG0);
9365 t4_set_reg_field(adapter, hss_cfg0, F_HSSPDWNPLLB |
9366 F_HSSPDWNPLLA | F_HSSPLLBYPB | F_HSSPLLBYPA,
9367 F_HSSPDWNPLLB | F_HSSPDWNPLLA | F_HSSPLLBYPB |
9368 F_HSSPLLBYPA);
9369 }
9370 }
9371 t4_set_reg_field(adapter, A_SGE_CONTROL, F_GLOBALENABLE, 0);
9372
9373 return 0;
9374 }
9375
9376 /**
9377 * t4_bar2_sge_qregs - return BAR2 SGE Queue register information
9378 * @adapter: the adapter
9379 * @qid: the Queue ID
9380 * @qtype: the Ingress or Egress type for @qid
9381 * @user: true if this request is for a user mode queue
9382 * @pbar2_qoffset: BAR2 Queue Offset
9383 * @pbar2_qid: BAR2 Queue ID or 0 for Queue ID inferred SGE Queues
9384 *
9385 * Returns the BAR2 SGE Queue Registers information associated with the
9386 * indicated Absolute Queue ID. These are passed back in return value
9387 * pointers. @qtype should be T4_BAR2_QTYPE_EGRESS for Egress Queue
9388 * and T4_BAR2_QTYPE_INGRESS for Ingress Queues.
9389 *
9390 * This may return an error which indicates that BAR2 SGE Queue
9391 * registers aren't available. If an error is not returned, then the
9392 * following values are returned:
9393 *
9394 * *@pbar2_qoffset: the BAR2 Offset of the @qid Registers
9395 * *@pbar2_qid: the BAR2 SGE Queue ID or 0 of @qid
9396 *
9397 * If the returned BAR2 Queue ID is 0, then BAR2 SGE registers which
9398 * require the "Inferred Queue ID" ability may be used. E.g. the
9399 * Write Combining Doorbell Buffer. If the BAR2 Queue ID is not 0,
9400 * then these "Inferred Queue ID" register may not be used.
9401 */
t4_bar2_sge_qregs(struct adapter * adapter,unsigned int qid,enum t4_bar2_qtype qtype,int user,u64 * pbar2_qoffset,unsigned int * pbar2_qid)9402 int t4_bar2_sge_qregs(struct adapter *adapter,
9403 unsigned int qid,
9404 enum t4_bar2_qtype qtype,
9405 int user,
9406 u64 *pbar2_qoffset,
9407 unsigned int *pbar2_qid)
9408 {
9409 unsigned int page_shift, page_size, qpp_shift, qpp_mask;
9410 u64 bar2_page_offset, bar2_qoffset;
9411 unsigned int bar2_qid, bar2_qid_offset, bar2_qinferred;
9412
9413 /* T4 doesn't support BAR2 SGE Queue registers for kernel
9414 * mode queues.
9415 */
9416 if (!user && is_t4(adapter))
9417 return -EINVAL;
9418
9419 /* Get our SGE Page Size parameters.
9420 */
9421 page_shift = adapter->params.sge.page_shift;
9422 page_size = 1 << page_shift;
9423
9424 /* Get the right Queues per Page parameters for our Queue.
9425 */
9426 qpp_shift = (qtype == T4_BAR2_QTYPE_EGRESS
9427 ? adapter->params.sge.eq_s_qpp
9428 : adapter->params.sge.iq_s_qpp);
9429 qpp_mask = (1 << qpp_shift) - 1;
9430
9431 /* Calculate the basics of the BAR2 SGE Queue register area:
9432 * o The BAR2 page the Queue registers will be in.
9433 * o The BAR2 Queue ID.
9434 * o The BAR2 Queue ID Offset into the BAR2 page.
9435 */
9436 bar2_page_offset = ((u64)(qid >> qpp_shift) << page_shift);
9437 bar2_qid = qid & qpp_mask;
9438 bar2_qid_offset = bar2_qid * SGE_UDB_SIZE;
9439
9440 /* If the BAR2 Queue ID Offset is less than the Page Size, then the
9441 * hardware will infer the Absolute Queue ID simply from the writes to
9442 * the BAR2 Queue ID Offset within the BAR2 Page (and we need to use a
9443 * BAR2 Queue ID of 0 for those writes). Otherwise, we'll simply
9444 * write to the first BAR2 SGE Queue Area within the BAR2 Page with
9445 * the BAR2 Queue ID and the hardware will infer the Absolute Queue ID
9446 * from the BAR2 Page and BAR2 Queue ID.
9447 *
9448 * One important censequence of this is that some BAR2 SGE registers
9449 * have a "Queue ID" field and we can write the BAR2 SGE Queue ID
9450 * there. But other registers synthesize the SGE Queue ID purely
9451 * from the writes to the registers -- the Write Combined Doorbell
9452 * Buffer is a good example. These BAR2 SGE Registers are only
9453 * available for those BAR2 SGE Register areas where the SGE Absolute
9454 * Queue ID can be inferred from simple writes.
9455 */
9456 bar2_qoffset = bar2_page_offset;
9457 bar2_qinferred = (bar2_qid_offset < page_size);
9458 if (bar2_qinferred) {
9459 bar2_qoffset += bar2_qid_offset;
9460 bar2_qid = 0;
9461 }
9462
9463 *pbar2_qoffset = bar2_qoffset;
9464 *pbar2_qid = bar2_qid;
9465 return 0;
9466 }
9467
9468 /**
9469 * t4_init_devlog_params - initialize adapter->params.devlog
9470 * @adap: the adapter
9471 * @fw_attach: whether we can talk to the firmware
9472 *
9473 * Initialize various fields of the adapter's Firmware Device Log
9474 * Parameters structure.
9475 */
t4_init_devlog_params(struct adapter * adap,int fw_attach)9476 int t4_init_devlog_params(struct adapter *adap, int fw_attach)
9477 {
9478 struct devlog_params *dparams = &adap->params.devlog;
9479 u32 pf_dparams;
9480 unsigned int devlog_meminfo;
9481 struct fw_devlog_cmd devlog_cmd;
9482 int ret;
9483
9484 /* If we're dealing with newer firmware, the Device Log Paramerters
9485 * are stored in a designated register which allows us to access the
9486 * Device Log even if we can't talk to the firmware.
9487 */
9488 pf_dparams =
9489 t4_read_reg(adap, PCIE_FW_REG(A_PCIE_FW_PF, PCIE_FW_PF_DEVLOG));
9490 if (pf_dparams) {
9491 unsigned int nentries, nentries128;
9492
9493 dparams->memtype = G_PCIE_FW_PF_DEVLOG_MEMTYPE(pf_dparams);
9494 dparams->start = G_PCIE_FW_PF_DEVLOG_ADDR16(pf_dparams) << 4;
9495
9496 nentries128 = G_PCIE_FW_PF_DEVLOG_NENTRIES128(pf_dparams);
9497 nentries = (nentries128 + 1) * 128;
9498 dparams->size = nentries * sizeof(struct fw_devlog_e);
9499
9500 return 0;
9501 }
9502
9503 /*
9504 * For any failing returns ...
9505 */
9506 memset(dparams, 0, sizeof *dparams);
9507
9508 /*
9509 * If we can't talk to the firmware, there's really nothing we can do
9510 * at this point.
9511 */
9512 if (!fw_attach)
9513 return -ENXIO;
9514
9515 /* Otherwise, ask the firmware for it's Device Log Parameters.
9516 */
9517 memset(&devlog_cmd, 0, sizeof devlog_cmd);
9518 devlog_cmd.op_to_write = cpu_to_be32(V_FW_CMD_OP(FW_DEVLOG_CMD) |
9519 F_FW_CMD_REQUEST | F_FW_CMD_READ);
9520 devlog_cmd.retval_len16 = cpu_to_be32(FW_LEN16(devlog_cmd));
9521 ret = t4_wr_mbox(adap, adap->mbox, &devlog_cmd, sizeof(devlog_cmd),
9522 &devlog_cmd);
9523 if (ret)
9524 return ret;
9525
9526 devlog_meminfo =
9527 be32_to_cpu(devlog_cmd.memtype_devlog_memaddr16_devlog);
9528 dparams->memtype = G_FW_DEVLOG_CMD_MEMTYPE_DEVLOG(devlog_meminfo);
9529 dparams->start = G_FW_DEVLOG_CMD_MEMADDR16_DEVLOG(devlog_meminfo) << 4;
9530 dparams->size = be32_to_cpu(devlog_cmd.memsize_devlog);
9531
9532 return 0;
9533 }
9534
9535 /**
9536 * t4_init_sge_params - initialize adap->params.sge
9537 * @adapter: the adapter
9538 *
9539 * Initialize various fields of the adapter's SGE Parameters structure.
9540 */
t4_init_sge_params(struct adapter * adapter)9541 int t4_init_sge_params(struct adapter *adapter)
9542 {
9543 u32 r;
9544 struct sge_params *sp = &adapter->params.sge;
9545 unsigned i, tscale = 1;
9546
9547 r = t4_read_reg(adapter, A_SGE_INGRESS_RX_THRESHOLD);
9548 sp->counter_val[0] = G_THRESHOLD_0(r);
9549 sp->counter_val[1] = G_THRESHOLD_1(r);
9550 sp->counter_val[2] = G_THRESHOLD_2(r);
9551 sp->counter_val[3] = G_THRESHOLD_3(r);
9552
9553 if (chip_id(adapter) >= CHELSIO_T6) {
9554 r = t4_read_reg(adapter, A_SGE_ITP_CONTROL);
9555 tscale = G_TSCALE(r);
9556 if (tscale == 0)
9557 tscale = 1;
9558 else
9559 tscale += 2;
9560 }
9561
9562 r = t4_read_reg(adapter, A_SGE_TIMER_VALUE_0_AND_1);
9563 sp->timer_val[0] = core_ticks_to_us(adapter, G_TIMERVALUE0(r)) * tscale;
9564 sp->timer_val[1] = core_ticks_to_us(adapter, G_TIMERVALUE1(r)) * tscale;
9565 r = t4_read_reg(adapter, A_SGE_TIMER_VALUE_2_AND_3);
9566 sp->timer_val[2] = core_ticks_to_us(adapter, G_TIMERVALUE2(r)) * tscale;
9567 sp->timer_val[3] = core_ticks_to_us(adapter, G_TIMERVALUE3(r)) * tscale;
9568 r = t4_read_reg(adapter, A_SGE_TIMER_VALUE_4_AND_5);
9569 sp->timer_val[4] = core_ticks_to_us(adapter, G_TIMERVALUE4(r)) * tscale;
9570 sp->timer_val[5] = core_ticks_to_us(adapter, G_TIMERVALUE5(r)) * tscale;
9571
9572 r = t4_read_reg(adapter, A_SGE_CONM_CTRL);
9573 sp->fl_starve_threshold = G_EGRTHRESHOLD(r) * 2 + 1;
9574 if (is_t4(adapter))
9575 sp->fl_starve_threshold2 = sp->fl_starve_threshold;
9576 else if (is_t5(adapter))
9577 sp->fl_starve_threshold2 = G_EGRTHRESHOLDPACKING(r) * 2 + 1;
9578 else
9579 sp->fl_starve_threshold2 = G_T6_EGRTHRESHOLDPACKING(r) * 2 + 1;
9580
9581 /* egress queues: log2 of # of doorbells per BAR2 page */
9582 r = t4_read_reg(adapter, A_SGE_EGRESS_QUEUES_PER_PAGE_PF);
9583 r >>= S_QUEUESPERPAGEPF0 +
9584 (S_QUEUESPERPAGEPF1 - S_QUEUESPERPAGEPF0) * adapter->pf;
9585 sp->eq_s_qpp = r & M_QUEUESPERPAGEPF0;
9586
9587 /* ingress queues: log2 of # of doorbells per BAR2 page */
9588 r = t4_read_reg(adapter, A_SGE_INGRESS_QUEUES_PER_PAGE_PF);
9589 r >>= S_QUEUESPERPAGEPF0 +
9590 (S_QUEUESPERPAGEPF1 - S_QUEUESPERPAGEPF0) * adapter->pf;
9591 sp->iq_s_qpp = r & M_QUEUESPERPAGEPF0;
9592
9593 r = t4_read_reg(adapter, A_SGE_HOST_PAGE_SIZE);
9594 r >>= S_HOSTPAGESIZEPF0 +
9595 (S_HOSTPAGESIZEPF1 - S_HOSTPAGESIZEPF0) * adapter->pf;
9596 sp->page_shift = (r & M_HOSTPAGESIZEPF0) + 10;
9597
9598 r = t4_read_reg(adapter, A_SGE_CONTROL);
9599 sp->sge_control = r;
9600 sp->spg_len = r & F_EGRSTATUSPAGESIZE ? 128 : 64;
9601 sp->fl_pktshift = G_PKTSHIFT(r);
9602 if (chip_id(adapter) <= CHELSIO_T5) {
9603 sp->pad_boundary = 1 << (G_INGPADBOUNDARY(r) +
9604 X_INGPADBOUNDARY_SHIFT);
9605 } else {
9606 sp->pad_boundary = 1 << (G_INGPADBOUNDARY(r) +
9607 X_T6_INGPADBOUNDARY_SHIFT);
9608 }
9609 if (is_t4(adapter))
9610 sp->pack_boundary = sp->pad_boundary;
9611 else {
9612 r = t4_read_reg(adapter, A_SGE_CONTROL2);
9613 if (G_INGPACKBOUNDARY(r) == 0)
9614 sp->pack_boundary = 16;
9615 else
9616 sp->pack_boundary = 1 << (G_INGPACKBOUNDARY(r) + 5);
9617 }
9618 for (i = 0; i < SGE_FLBUF_SIZES; i++)
9619 sp->sge_fl_buffer_size[i] = t4_read_reg(adapter,
9620 A_SGE_FL_BUFFER_SIZE0 + (4 * i));
9621
9622 return 0;
9623 }
9624
9625 /* Convert the LE's hardware hash mask to a shorter filter mask. */
9626 static inline uint16_t
hashmask_to_filtermask(uint64_t hashmask,uint16_t filter_mode)9627 hashmask_to_filtermask(uint64_t hashmask, uint16_t filter_mode)
9628 {
9629 static const uint8_t width[] = {1, 3, 17, 17, 8, 8, 16, 9, 3, 1};
9630 int i;
9631 uint16_t filter_mask;
9632 uint64_t mask; /* field mask */
9633
9634 filter_mask = 0;
9635 for (i = S_FCOE; i <= S_FRAGMENTATION; i++) {
9636 if ((filter_mode & (1 << i)) == 0)
9637 continue;
9638 mask = (1 << width[i]) - 1;
9639 if ((hashmask & mask) == mask)
9640 filter_mask |= 1 << i;
9641 hashmask >>= width[i];
9642 }
9643
9644 return (filter_mask);
9645 }
9646
9647 /*
9648 * Read and cache the adapter's compressed filter mode and ingress config.
9649 */
9650 static void
read_filter_mode_and_ingress_config(struct adapter * adap)9651 read_filter_mode_and_ingress_config(struct adapter *adap)
9652 {
9653 int rc;
9654 uint32_t v, param[2], val[2];
9655 struct tp_params *tpp = &adap->params.tp;
9656 uint64_t hash_mask;
9657
9658 param[0] = V_FW_PARAMS_MNEM(FW_PARAMS_MNEM_DEV) |
9659 V_FW_PARAMS_PARAM_X(FW_PARAMS_PARAM_DEV_FILTER) |
9660 V_FW_PARAMS_PARAM_Y(FW_PARAM_DEV_FILTER_MODE_MASK);
9661 param[1] = V_FW_PARAMS_MNEM(FW_PARAMS_MNEM_DEV) |
9662 V_FW_PARAMS_PARAM_X(FW_PARAMS_PARAM_DEV_FILTER) |
9663 V_FW_PARAMS_PARAM_Y(FW_PARAM_DEV_FILTER_VNIC_MODE);
9664 rc = -t4_query_params(adap, adap->mbox, adap->pf, 0, 2, param, val);
9665 if (rc == 0) {
9666 tpp->filter_mode = G_FW_PARAMS_PARAM_FILTER_MODE(val[0]);
9667 tpp->filter_mask = G_FW_PARAMS_PARAM_FILTER_MASK(val[0]);
9668 tpp->vnic_mode = val[1];
9669 } else {
9670 /*
9671 * Old firmware. Read filter mode/mask and ingress config
9672 * straight from the hardware.
9673 */
9674 t4_tp_pio_read(adap, &v, 1, A_TP_VLAN_PRI_MAP, true);
9675 tpp->filter_mode = v & 0xffff;
9676
9677 hash_mask = 0;
9678 if (chip_id(adap) > CHELSIO_T4) {
9679 v = t4_read_reg(adap, LE_HASH_MASK_GEN_IPV4T5(3));
9680 hash_mask = v;
9681 v = t4_read_reg(adap, LE_HASH_MASK_GEN_IPV4T5(4));
9682 hash_mask |= (u64)v << 32;
9683 }
9684 tpp->filter_mask = hashmask_to_filtermask(hash_mask,
9685 tpp->filter_mode);
9686
9687 t4_tp_pio_read(adap, &v, 1, A_TP_INGRESS_CONFIG, true);
9688 if (v & F_VNIC)
9689 tpp->vnic_mode = FW_VNIC_MODE_PF_VF;
9690 else
9691 tpp->vnic_mode = FW_VNIC_MODE_OUTER_VLAN;
9692 }
9693
9694 /*
9695 * Now that we have TP_VLAN_PRI_MAP cached, we can calculate the field
9696 * shift positions of several elements of the Compressed Filter Tuple
9697 * for this adapter which we need frequently ...
9698 */
9699 tpp->fcoe_shift = t4_filter_field_shift(adap, F_FCOE);
9700 tpp->port_shift = t4_filter_field_shift(adap, F_PORT);
9701 tpp->vnic_shift = t4_filter_field_shift(adap, F_VNIC_ID);
9702 tpp->vlan_shift = t4_filter_field_shift(adap, F_VLAN);
9703 tpp->tos_shift = t4_filter_field_shift(adap, F_TOS);
9704 tpp->protocol_shift = t4_filter_field_shift(adap, F_PROTOCOL);
9705 tpp->ethertype_shift = t4_filter_field_shift(adap, F_ETHERTYPE);
9706 tpp->macmatch_shift = t4_filter_field_shift(adap, F_MACMATCH);
9707 tpp->matchtype_shift = t4_filter_field_shift(adap, F_MPSHITTYPE);
9708 tpp->frag_shift = t4_filter_field_shift(adap, F_FRAGMENTATION);
9709 }
9710
9711 /**
9712 * t4_init_tp_params - initialize adap->params.tp
9713 * @adap: the adapter
9714 *
9715 * Initialize various fields of the adapter's TP Parameters structure.
9716 */
t4_init_tp_params(struct adapter * adap)9717 int t4_init_tp_params(struct adapter *adap)
9718 {
9719 u32 tx_len, rx_len, r, v;
9720 struct tp_params *tpp = &adap->params.tp;
9721
9722 v = t4_read_reg(adap, A_TP_TIMER_RESOLUTION);
9723 tpp->tre = G_TIMERRESOLUTION(v);
9724 tpp->dack_re = G_DELAYEDACKRESOLUTION(v);
9725
9726 read_filter_mode_and_ingress_config(adap);
9727
9728 if (chip_id(adap) > CHELSIO_T5) {
9729 v = t4_read_reg(adap, A_TP_OUT_CONFIG);
9730 tpp->rx_pkt_encap = v & F_CRXPKTENC;
9731 } else
9732 tpp->rx_pkt_encap = false;
9733
9734 rx_len = t4_read_reg(adap, A_TP_PMM_RX_PAGE_SIZE);
9735 tx_len = t4_read_reg(adap, A_TP_PMM_TX_PAGE_SIZE);
9736
9737 r = t4_read_reg(adap, A_TP_PARA_REG2);
9738 rx_len = min(rx_len, G_MAXRXDATA(r));
9739 tx_len = min(tx_len, G_MAXRXDATA(r));
9740
9741 r = t4_read_reg(adap, A_TP_PARA_REG7);
9742 v = min(G_PMMAXXFERLEN0(r), G_PMMAXXFERLEN1(r));
9743 rx_len = min(rx_len, v);
9744 tx_len = min(tx_len, v);
9745
9746 tpp->max_tx_pdu = tx_len;
9747 tpp->max_rx_pdu = rx_len;
9748
9749 return 0;
9750 }
9751
9752 /**
9753 * t4_filter_field_shift - calculate filter field shift
9754 * @adap: the adapter
9755 * @filter_sel: the desired field (from TP_VLAN_PRI_MAP bits)
9756 *
9757 * Return the shift position of a filter field within the Compressed
9758 * Filter Tuple. The filter field is specified via its selection bit
9759 * within TP_VLAN_PRI_MAL (filter mode). E.g. F_VLAN.
9760 */
t4_filter_field_shift(const struct adapter * adap,int filter_sel)9761 int t4_filter_field_shift(const struct adapter *adap, int filter_sel)
9762 {
9763 const unsigned int filter_mode = adap->params.tp.filter_mode;
9764 unsigned int sel;
9765 int field_shift;
9766
9767 if ((filter_mode & filter_sel) == 0)
9768 return -1;
9769
9770 for (sel = 1, field_shift = 0; sel < filter_sel; sel <<= 1) {
9771 switch (filter_mode & sel) {
9772 case F_FCOE:
9773 field_shift += W_FT_FCOE;
9774 break;
9775 case F_PORT:
9776 field_shift += W_FT_PORT;
9777 break;
9778 case F_VNIC_ID:
9779 field_shift += W_FT_VNIC_ID;
9780 break;
9781 case F_VLAN:
9782 field_shift += W_FT_VLAN;
9783 break;
9784 case F_TOS:
9785 field_shift += W_FT_TOS;
9786 break;
9787 case F_PROTOCOL:
9788 field_shift += W_FT_PROTOCOL;
9789 break;
9790 case F_ETHERTYPE:
9791 field_shift += W_FT_ETHERTYPE;
9792 break;
9793 case F_MACMATCH:
9794 field_shift += W_FT_MACMATCH;
9795 break;
9796 case F_MPSHITTYPE:
9797 field_shift += W_FT_MPSHITTYPE;
9798 break;
9799 case F_FRAGMENTATION:
9800 field_shift += W_FT_FRAGMENTATION;
9801 break;
9802 }
9803 }
9804 return field_shift;
9805 }
9806
t4_port_init(struct adapter * adap,int mbox,int pf,int vf,int port_id)9807 int t4_port_init(struct adapter *adap, int mbox, int pf, int vf, int port_id)
9808 {
9809 u8 addr[6];
9810 int ret, i, j;
9811 struct port_info *p = adap2pinfo(adap, port_id);
9812 u32 param, val;
9813 struct vi_info *vi = &p->vi[0];
9814
9815 for (i = 0, j = -1; i <= p->port_id; i++) {
9816 do {
9817 j++;
9818 } while ((adap->params.portvec & (1 << j)) == 0);
9819 }
9820
9821 p->tx_chan = t4_get_tx_c_chan(adap, j);
9822 p->rx_chan = t4_get_rx_c_chan(adap, j);
9823 p->mps_bg_map = t4_get_mps_bg_map(adap, j);
9824 p->rx_e_chan_map = t4_get_rx_e_chan_map(adap, j);
9825 p->lport = j;
9826
9827 if (!(adap->flags & IS_VF) ||
9828 adap->params.vfres.r_caps & FW_CMD_CAP_PORT) {
9829 t4_update_port_info(p);
9830 }
9831
9832 ret = t4_alloc_vi(adap, mbox, j, pf, vf, 1, addr, &vi->rss_size,
9833 &vi->vfvld, &vi->vin);
9834 if (ret < 0)
9835 return ret;
9836
9837 vi->viid = ret;
9838 t4_os_set_hw_addr(p, addr);
9839
9840 param = V_FW_PARAMS_MNEM(FW_PARAMS_MNEM_DEV) |
9841 V_FW_PARAMS_PARAM_X(FW_PARAMS_PARAM_DEV_RSSINFO) |
9842 V_FW_PARAMS_PARAM_YZ(vi->viid);
9843 ret = t4_query_params(adap, mbox, pf, vf, 1, ¶m, &val);
9844 if (ret)
9845 vi->rss_base = 0xffff;
9846 else {
9847 /* MPASS((val >> 16) == rss_size); */
9848 vi->rss_base = val & 0xffff;
9849 }
9850
9851 return 0;
9852 }
9853
9854 /**
9855 * t4_read_cimq_cfg - read CIM queue configuration
9856 * @adap: the adapter
9857 * @base: holds the queue base addresses in bytes
9858 * @size: holds the queue sizes in bytes
9859 * @thres: holds the queue full thresholds in bytes
9860 *
9861 * Returns the current configuration of the CIM queues, starting with
9862 * the IBQs, then the OBQs.
9863 */
t4_read_cimq_cfg(struct adapter * adap,u16 * base,u16 * size,u16 * thres)9864 void t4_read_cimq_cfg(struct adapter *adap, u16 *base, u16 *size, u16 *thres)
9865 {
9866 unsigned int i, v;
9867 int cim_num_obq = adap->chip_params->cim_num_obq;
9868
9869 for (i = 0; i < CIM_NUM_IBQ; i++) {
9870 t4_write_reg(adap, A_CIM_QUEUE_CONFIG_REF, F_IBQSELECT |
9871 V_QUENUMSELECT(i));
9872 v = t4_read_reg(adap, A_CIM_QUEUE_CONFIG_CTRL);
9873 /* value is in 256-byte units */
9874 *base++ = G_CIMQBASE(v) * 256;
9875 *size++ = G_CIMQSIZE(v) * 256;
9876 *thres++ = G_QUEFULLTHRSH(v) * 8; /* 8-byte unit */
9877 }
9878 for (i = 0; i < cim_num_obq; i++) {
9879 t4_write_reg(adap, A_CIM_QUEUE_CONFIG_REF, F_OBQSELECT |
9880 V_QUENUMSELECT(i));
9881 v = t4_read_reg(adap, A_CIM_QUEUE_CONFIG_CTRL);
9882 /* value is in 256-byte units */
9883 *base++ = G_CIMQBASE(v) * 256;
9884 *size++ = G_CIMQSIZE(v) * 256;
9885 }
9886 }
9887
9888 /**
9889 * t4_read_cim_ibq - read the contents of a CIM inbound queue
9890 * @adap: the adapter
9891 * @qid: the queue index
9892 * @data: where to store the queue contents
9893 * @n: capacity of @data in 32-bit words
9894 *
9895 * Reads the contents of the selected CIM queue starting at address 0 up
9896 * to the capacity of @data. @n must be a multiple of 4. Returns < 0 on
9897 * error and the number of 32-bit words actually read on success.
9898 */
t4_read_cim_ibq(struct adapter * adap,unsigned int qid,u32 * data,size_t n)9899 int t4_read_cim_ibq(struct adapter *adap, unsigned int qid, u32 *data, size_t n)
9900 {
9901 int i, err, attempts;
9902 unsigned int addr;
9903 const unsigned int nwords = CIM_IBQ_SIZE * 4;
9904
9905 if (qid > 5 || (n & 3))
9906 return -EINVAL;
9907
9908 addr = qid * nwords;
9909 if (n > nwords)
9910 n = nwords;
9911
9912 /* It might take 3-10ms before the IBQ debug read access is allowed.
9913 * Wait for 1 Sec with a delay of 1 usec.
9914 */
9915 attempts = 1000000;
9916
9917 for (i = 0; i < n; i++, addr++) {
9918 t4_write_reg(adap, A_CIM_IBQ_DBG_CFG, V_IBQDBGADDR(addr) |
9919 F_IBQDBGEN);
9920 err = t4_wait_op_done(adap, A_CIM_IBQ_DBG_CFG, F_IBQDBGBUSY, 0,
9921 attempts, 1);
9922 if (err)
9923 return err;
9924 *data++ = t4_read_reg(adap, A_CIM_IBQ_DBG_DATA);
9925 }
9926 t4_write_reg(adap, A_CIM_IBQ_DBG_CFG, 0);
9927 return i;
9928 }
9929
9930 /**
9931 * t4_read_cim_obq - read the contents of a CIM outbound queue
9932 * @adap: the adapter
9933 * @qid: the queue index
9934 * @data: where to store the queue contents
9935 * @n: capacity of @data in 32-bit words
9936 *
9937 * Reads the contents of the selected CIM queue starting at address 0 up
9938 * to the capacity of @data. @n must be a multiple of 4. Returns < 0 on
9939 * error and the number of 32-bit words actually read on success.
9940 */
t4_read_cim_obq(struct adapter * adap,unsigned int qid,u32 * data,size_t n)9941 int t4_read_cim_obq(struct adapter *adap, unsigned int qid, u32 *data, size_t n)
9942 {
9943 int i, err;
9944 unsigned int addr, v, nwords;
9945 int cim_num_obq = adap->chip_params->cim_num_obq;
9946
9947 if ((qid > (cim_num_obq - 1)) || (n & 3))
9948 return -EINVAL;
9949
9950 t4_write_reg(adap, A_CIM_QUEUE_CONFIG_REF, F_OBQSELECT |
9951 V_QUENUMSELECT(qid));
9952 v = t4_read_reg(adap, A_CIM_QUEUE_CONFIG_CTRL);
9953
9954 addr = G_CIMQBASE(v) * 64; /* muliple of 256 -> muliple of 4 */
9955 nwords = G_CIMQSIZE(v) * 64; /* same */
9956 if (n > nwords)
9957 n = nwords;
9958
9959 for (i = 0; i < n; i++, addr++) {
9960 t4_write_reg(adap, A_CIM_OBQ_DBG_CFG, V_OBQDBGADDR(addr) |
9961 F_OBQDBGEN);
9962 err = t4_wait_op_done(adap, A_CIM_OBQ_DBG_CFG, F_OBQDBGBUSY, 0,
9963 2, 1);
9964 if (err)
9965 return err;
9966 *data++ = t4_read_reg(adap, A_CIM_OBQ_DBG_DATA);
9967 }
9968 t4_write_reg(adap, A_CIM_OBQ_DBG_CFG, 0);
9969 return i;
9970 }
9971
9972 enum {
9973 CIM_QCTL_BASE = 0,
9974 CIM_CTL_BASE = 0x2000,
9975 CIM_PBT_ADDR_BASE = 0x2800,
9976 CIM_PBT_LRF_BASE = 0x3000,
9977 CIM_PBT_DATA_BASE = 0x3800
9978 };
9979
9980 /**
9981 * t4_cim_read - read a block from CIM internal address space
9982 * @adap: the adapter
9983 * @addr: the start address within the CIM address space
9984 * @n: number of words to read
9985 * @valp: where to store the result
9986 *
9987 * Reads a block of 4-byte words from the CIM intenal address space.
9988 */
t4_cim_read(struct adapter * adap,unsigned int addr,unsigned int n,unsigned int * valp)9989 int t4_cim_read(struct adapter *adap, unsigned int addr, unsigned int n,
9990 unsigned int *valp)
9991 {
9992 int ret = 0;
9993
9994 if (t4_read_reg(adap, A_CIM_HOST_ACC_CTRL) & F_HOSTBUSY)
9995 return -EBUSY;
9996
9997 for ( ; !ret && n--; addr += 4) {
9998 t4_write_reg(adap, A_CIM_HOST_ACC_CTRL, addr);
9999 ret = t4_wait_op_done(adap, A_CIM_HOST_ACC_CTRL, F_HOSTBUSY,
10000 0, 5, 2);
10001 if (!ret)
10002 *valp++ = t4_read_reg(adap, A_CIM_HOST_ACC_DATA);
10003 }
10004 return ret;
10005 }
10006
10007 /**
10008 * t4_cim_write - write a block into CIM internal address space
10009 * @adap: the adapter
10010 * @addr: the start address within the CIM address space
10011 * @n: number of words to write
10012 * @valp: set of values to write
10013 *
10014 * Writes a block of 4-byte words into the CIM intenal address space.
10015 */
t4_cim_write(struct adapter * adap,unsigned int addr,unsigned int n,const unsigned int * valp)10016 int t4_cim_write(struct adapter *adap, unsigned int addr, unsigned int n,
10017 const unsigned int *valp)
10018 {
10019 int ret = 0;
10020
10021 if (t4_read_reg(adap, A_CIM_HOST_ACC_CTRL) & F_HOSTBUSY)
10022 return -EBUSY;
10023
10024 for ( ; !ret && n--; addr += 4) {
10025 t4_write_reg(adap, A_CIM_HOST_ACC_DATA, *valp++);
10026 t4_write_reg(adap, A_CIM_HOST_ACC_CTRL, addr | F_HOSTWRITE);
10027 ret = t4_wait_op_done(adap, A_CIM_HOST_ACC_CTRL, F_HOSTBUSY,
10028 0, 5, 2);
10029 }
10030 return ret;
10031 }
10032
t4_cim_write1(struct adapter * adap,unsigned int addr,unsigned int val)10033 static int t4_cim_write1(struct adapter *adap, unsigned int addr,
10034 unsigned int val)
10035 {
10036 return t4_cim_write(adap, addr, 1, &val);
10037 }
10038
10039 /**
10040 * t4_cim_ctl_read - read a block from CIM control region
10041 * @adap: the adapter
10042 * @addr: the start address within the CIM control region
10043 * @n: number of words to read
10044 * @valp: where to store the result
10045 *
10046 * Reads a block of 4-byte words from the CIM control region.
10047 */
t4_cim_ctl_read(struct adapter * adap,unsigned int addr,unsigned int n,unsigned int * valp)10048 int t4_cim_ctl_read(struct adapter *adap, unsigned int addr, unsigned int n,
10049 unsigned int *valp)
10050 {
10051 return t4_cim_read(adap, addr + CIM_CTL_BASE, n, valp);
10052 }
10053
10054 /**
10055 * t4_cim_read_la - read CIM LA capture buffer
10056 * @adap: the adapter
10057 * @la_buf: where to store the LA data
10058 * @wrptr: the HW write pointer within the capture buffer
10059 *
10060 * Reads the contents of the CIM LA buffer with the most recent entry at
10061 * the end of the returned data and with the entry at @wrptr first.
10062 * We try to leave the LA in the running state we find it in.
10063 */
t4_cim_read_la(struct adapter * adap,u32 * la_buf,unsigned int * wrptr)10064 int t4_cim_read_la(struct adapter *adap, u32 *la_buf, unsigned int *wrptr)
10065 {
10066 int i, ret;
10067 unsigned int cfg, val, idx;
10068
10069 ret = t4_cim_read(adap, A_UP_UP_DBG_LA_CFG, 1, &cfg);
10070 if (ret)
10071 return ret;
10072
10073 if (cfg & F_UPDBGLAEN) { /* LA is running, freeze it */
10074 ret = t4_cim_write1(adap, A_UP_UP_DBG_LA_CFG, 0);
10075 if (ret)
10076 return ret;
10077 }
10078
10079 ret = t4_cim_read(adap, A_UP_UP_DBG_LA_CFG, 1, &val);
10080 if (ret)
10081 goto restart;
10082
10083 idx = G_UPDBGLAWRPTR(val);
10084 if (wrptr)
10085 *wrptr = idx;
10086
10087 for (i = 0; i < adap->params.cim_la_size; i++) {
10088 ret = t4_cim_write1(adap, A_UP_UP_DBG_LA_CFG,
10089 V_UPDBGLARDPTR(idx) | F_UPDBGLARDEN);
10090 if (ret)
10091 break;
10092 ret = t4_cim_read(adap, A_UP_UP_DBG_LA_CFG, 1, &val);
10093 if (ret)
10094 break;
10095 if (val & F_UPDBGLARDEN) {
10096 ret = -ETIMEDOUT;
10097 break;
10098 }
10099 ret = t4_cim_read(adap, A_UP_UP_DBG_LA_DATA, 1, &la_buf[i]);
10100 if (ret)
10101 break;
10102
10103 /* Bits 0-3 of UpDbgLaRdPtr can be between 0000 to 1001 to
10104 * identify the 32-bit portion of the full 312-bit data
10105 */
10106 if (is_t6(adap) && (idx & 0xf) >= 9)
10107 idx = (idx & 0xff0) + 0x10;
10108 else
10109 idx++;
10110 /* address can't exceed 0xfff */
10111 idx &= M_UPDBGLARDPTR;
10112 }
10113 restart:
10114 if (cfg & F_UPDBGLAEN) {
10115 int r = t4_cim_write1(adap, A_UP_UP_DBG_LA_CFG,
10116 cfg & ~F_UPDBGLARDEN);
10117 if (!ret)
10118 ret = r;
10119 }
10120 return ret;
10121 }
10122
10123 /**
10124 * t4_tp_read_la - read TP LA capture buffer
10125 * @adap: the adapter
10126 * @la_buf: where to store the LA data
10127 * @wrptr: the HW write pointer within the capture buffer
10128 *
10129 * Reads the contents of the TP LA buffer with the most recent entry at
10130 * the end of the returned data and with the entry at @wrptr first.
10131 * We leave the LA in the running state we find it in.
10132 */
t4_tp_read_la(struct adapter * adap,u64 * la_buf,unsigned int * wrptr)10133 void t4_tp_read_la(struct adapter *adap, u64 *la_buf, unsigned int *wrptr)
10134 {
10135 bool last_incomplete;
10136 unsigned int i, cfg, val, idx;
10137
10138 cfg = t4_read_reg(adap, A_TP_DBG_LA_CONFIG) & 0xffff;
10139 if (cfg & F_DBGLAENABLE) /* freeze LA */
10140 t4_write_reg(adap, A_TP_DBG_LA_CONFIG,
10141 adap->params.tp.la_mask | (cfg ^ F_DBGLAENABLE));
10142
10143 val = t4_read_reg(adap, A_TP_DBG_LA_CONFIG);
10144 idx = G_DBGLAWPTR(val);
10145 last_incomplete = G_DBGLAMODE(val) >= 2 && (val & F_DBGLAWHLF) == 0;
10146 if (last_incomplete)
10147 idx = (idx + 1) & M_DBGLARPTR;
10148 if (wrptr)
10149 *wrptr = idx;
10150
10151 val &= 0xffff;
10152 val &= ~V_DBGLARPTR(M_DBGLARPTR);
10153 val |= adap->params.tp.la_mask;
10154
10155 for (i = 0; i < TPLA_SIZE; i++) {
10156 t4_write_reg(adap, A_TP_DBG_LA_CONFIG, V_DBGLARPTR(idx) | val);
10157 la_buf[i] = t4_read_reg64(adap, A_TP_DBG_LA_DATAL);
10158 idx = (idx + 1) & M_DBGLARPTR;
10159 }
10160
10161 /* Wipe out last entry if it isn't valid */
10162 if (last_incomplete)
10163 la_buf[TPLA_SIZE - 1] = ~0ULL;
10164
10165 if (cfg & F_DBGLAENABLE) /* restore running state */
10166 t4_write_reg(adap, A_TP_DBG_LA_CONFIG,
10167 cfg | adap->params.tp.la_mask);
10168 }
10169
10170 /*
10171 * SGE Hung Ingress DMA Warning Threshold time and Warning Repeat Rate (in
10172 * seconds). If we find one of the SGE Ingress DMA State Machines in the same
10173 * state for more than the Warning Threshold then we'll issue a warning about
10174 * a potential hang. We'll repeat the warning as the SGE Ingress DMA Channel
10175 * appears to be hung every Warning Repeat second till the situation clears.
10176 * If the situation clears, we'll note that as well.
10177 */
10178 #define SGE_IDMA_WARN_THRESH 1
10179 #define SGE_IDMA_WARN_REPEAT 300
10180
10181 /**
10182 * t4_idma_monitor_init - initialize SGE Ingress DMA Monitor
10183 * @adapter: the adapter
10184 * @idma: the adapter IDMA Monitor state
10185 *
10186 * Initialize the state of an SGE Ingress DMA Monitor.
10187 */
t4_idma_monitor_init(struct adapter * adapter,struct sge_idma_monitor_state * idma)10188 void t4_idma_monitor_init(struct adapter *adapter,
10189 struct sge_idma_monitor_state *idma)
10190 {
10191 /* Initialize the state variables for detecting an SGE Ingress DMA
10192 * hang. The SGE has internal counters which count up on each clock
10193 * tick whenever the SGE finds its Ingress DMA State Engines in the
10194 * same state they were on the previous clock tick. The clock used is
10195 * the Core Clock so we have a limit on the maximum "time" they can
10196 * record; typically a very small number of seconds. For instance,
10197 * with a 600MHz Core Clock, we can only count up to a bit more than
10198 * 7s. So we'll synthesize a larger counter in order to not run the
10199 * risk of having the "timers" overflow and give us the flexibility to
10200 * maintain a Hung SGE State Machine of our own which operates across
10201 * a longer time frame.
10202 */
10203 idma->idma_1s_thresh = core_ticks_per_usec(adapter) * 1000000; /* 1s */
10204 idma->idma_stalled[0] = idma->idma_stalled[1] = 0;
10205 }
10206
10207 /**
10208 * t4_idma_monitor - monitor SGE Ingress DMA state
10209 * @adapter: the adapter
10210 * @idma: the adapter IDMA Monitor state
10211 * @hz: number of ticks/second
10212 * @ticks: number of ticks since the last IDMA Monitor call
10213 */
t4_idma_monitor(struct adapter * adapter,struct sge_idma_monitor_state * idma,int hz,int ticks)10214 void t4_idma_monitor(struct adapter *adapter,
10215 struct sge_idma_monitor_state *idma,
10216 int hz, int ticks)
10217 {
10218 int i, idma_same_state_cnt[2];
10219
10220 /* Read the SGE Debug Ingress DMA Same State Count registers. These
10221 * are counters inside the SGE which count up on each clock when the
10222 * SGE finds its Ingress DMA State Engines in the same states they
10223 * were in the previous clock. The counters will peg out at
10224 * 0xffffffff without wrapping around so once they pass the 1s
10225 * threshold they'll stay above that till the IDMA state changes.
10226 */
10227 t4_write_reg(adapter, A_SGE_DEBUG_INDEX, 13);
10228 idma_same_state_cnt[0] = t4_read_reg(adapter, A_SGE_DEBUG_DATA_HIGH);
10229 idma_same_state_cnt[1] = t4_read_reg(adapter, A_SGE_DEBUG_DATA_LOW);
10230
10231 for (i = 0; i < 2; i++) {
10232 u32 debug0, debug11;
10233
10234 /* If the Ingress DMA Same State Counter ("timer") is less
10235 * than 1s, then we can reset our synthesized Stall Timer and
10236 * continue. If we have previously emitted warnings about a
10237 * potential stalled Ingress Queue, issue a note indicating
10238 * that the Ingress Queue has resumed forward progress.
10239 */
10240 if (idma_same_state_cnt[i] < idma->idma_1s_thresh) {
10241 if (idma->idma_stalled[i] >= SGE_IDMA_WARN_THRESH*hz)
10242 CH_WARN(adapter, "SGE idma%d, queue %u, "
10243 "resumed after %d seconds\n",
10244 i, idma->idma_qid[i],
10245 idma->idma_stalled[i]/hz);
10246 idma->idma_stalled[i] = 0;
10247 continue;
10248 }
10249
10250 /* Synthesize an SGE Ingress DMA Same State Timer in the Hz
10251 * domain. The first time we get here it'll be because we
10252 * passed the 1s Threshold; each additional time it'll be
10253 * because the RX Timer Callback is being fired on its regular
10254 * schedule.
10255 *
10256 * If the stall is below our Potential Hung Ingress Queue
10257 * Warning Threshold, continue.
10258 */
10259 if (idma->idma_stalled[i] == 0) {
10260 idma->idma_stalled[i] = hz;
10261 idma->idma_warn[i] = 0;
10262 } else {
10263 idma->idma_stalled[i] += ticks;
10264 idma->idma_warn[i] -= ticks;
10265 }
10266
10267 if (idma->idma_stalled[i] < SGE_IDMA_WARN_THRESH*hz)
10268 continue;
10269
10270 /* We'll issue a warning every SGE_IDMA_WARN_REPEAT seconds.
10271 */
10272 if (idma->idma_warn[i] > 0)
10273 continue;
10274 idma->idma_warn[i] = SGE_IDMA_WARN_REPEAT*hz;
10275
10276 /* Read and save the SGE IDMA State and Queue ID information.
10277 * We do this every time in case it changes across time ...
10278 * can't be too careful ...
10279 */
10280 t4_write_reg(adapter, A_SGE_DEBUG_INDEX, 0);
10281 debug0 = t4_read_reg(adapter, A_SGE_DEBUG_DATA_LOW);
10282 idma->idma_state[i] = (debug0 >> (i * 9)) & 0x3f;
10283
10284 t4_write_reg(adapter, A_SGE_DEBUG_INDEX, 11);
10285 debug11 = t4_read_reg(adapter, A_SGE_DEBUG_DATA_LOW);
10286 idma->idma_qid[i] = (debug11 >> (i * 16)) & 0xffff;
10287
10288 CH_WARN(adapter, "SGE idma%u, queue %u, potentially stuck in "
10289 " state %u for %d seconds (debug0=%#x, debug11=%#x)\n",
10290 i, idma->idma_qid[i], idma->idma_state[i],
10291 idma->idma_stalled[i]/hz,
10292 debug0, debug11);
10293 t4_sge_decode_idma_state(adapter, idma->idma_state[i]);
10294 }
10295 }
10296
10297 /**
10298 * t4_set_vf_mac - Set MAC address for the specified VF
10299 * @adapter: The adapter
10300 * @pf: the PF used to instantiate the VFs
10301 * @vf: one of the VFs instantiated by the specified PF
10302 * @naddr: the number of MAC addresses
10303 * @addr: the MAC address(es) to be set to the specified VF
10304 */
t4_set_vf_mac(struct adapter * adapter,unsigned int pf,unsigned int vf,unsigned int naddr,u8 * addr)10305 int t4_set_vf_mac(struct adapter *adapter, unsigned int pf, unsigned int vf,
10306 unsigned int naddr, u8 *addr)
10307 {
10308 struct fw_acl_mac_cmd cmd;
10309
10310 memset(&cmd, 0, sizeof(cmd));
10311 cmd.op_to_vfn = cpu_to_be32(V_FW_CMD_OP(FW_ACL_MAC_CMD) |
10312 F_FW_CMD_REQUEST |
10313 F_FW_CMD_WRITE |
10314 V_FW_ACL_MAC_CMD_PFN(pf) |
10315 V_FW_ACL_MAC_CMD_VFN(vf));
10316
10317 /* Note: Do not enable the ACL */
10318 cmd.en_to_len16 = cpu_to_be32((unsigned int)FW_LEN16(cmd));
10319 cmd.nmac = naddr;
10320
10321 switch (pf) {
10322 case 3:
10323 memcpy(cmd.macaddr3, addr, sizeof(cmd.macaddr3));
10324 break;
10325 case 2:
10326 memcpy(cmd.macaddr2, addr, sizeof(cmd.macaddr2));
10327 break;
10328 case 1:
10329 memcpy(cmd.macaddr1, addr, sizeof(cmd.macaddr1));
10330 break;
10331 case 0:
10332 memcpy(cmd.macaddr0, addr, sizeof(cmd.macaddr0));
10333 break;
10334 }
10335
10336 return t4_wr_mbox(adapter, adapter->mbox, &cmd, sizeof(cmd), &cmd);
10337 }
10338
10339 /**
10340 * t4_read_pace_tbl - read the pace table
10341 * @adap: the adapter
10342 * @pace_vals: holds the returned values
10343 *
10344 * Returns the values of TP's pace table in microseconds.
10345 */
t4_read_pace_tbl(struct adapter * adap,unsigned int pace_vals[NTX_SCHED])10346 void t4_read_pace_tbl(struct adapter *adap, unsigned int pace_vals[NTX_SCHED])
10347 {
10348 unsigned int i, v;
10349
10350 for (i = 0; i < NTX_SCHED; i++) {
10351 t4_write_reg(adap, A_TP_PACE_TABLE, 0xffff0000 + i);
10352 v = t4_read_reg(adap, A_TP_PACE_TABLE);
10353 pace_vals[i] = dack_ticks_to_usec(adap, v);
10354 }
10355 }
10356
10357 /**
10358 * t4_get_tx_sched - get the configuration of a Tx HW traffic scheduler
10359 * @adap: the adapter
10360 * @sched: the scheduler index
10361 * @kbps: the byte rate in Kbps
10362 * @ipg: the interpacket delay in tenths of nanoseconds
10363 *
10364 * Return the current configuration of a HW Tx scheduler.
10365 */
t4_get_tx_sched(struct adapter * adap,unsigned int sched,unsigned int * kbps,unsigned int * ipg,bool sleep_ok)10366 void t4_get_tx_sched(struct adapter *adap, unsigned int sched, unsigned int *kbps,
10367 unsigned int *ipg, bool sleep_ok)
10368 {
10369 unsigned int v, addr, bpt, cpt;
10370
10371 if (kbps) {
10372 addr = A_TP_TX_MOD_Q1_Q0_RATE_LIMIT - sched / 2;
10373 t4_tp_tm_pio_read(adap, &v, 1, addr, sleep_ok);
10374 if (sched & 1)
10375 v >>= 16;
10376 bpt = (v >> 8) & 0xff;
10377 cpt = v & 0xff;
10378 if (!cpt)
10379 *kbps = 0; /* scheduler disabled */
10380 else {
10381 v = (adap->params.vpd.cclk * 1000) / cpt; /* ticks/s */
10382 *kbps = (v * bpt) / 125;
10383 }
10384 }
10385 if (ipg) {
10386 addr = A_TP_TX_MOD_Q1_Q0_TIMER_SEPARATOR - sched / 2;
10387 t4_tp_tm_pio_read(adap, &v, 1, addr, sleep_ok);
10388 if (sched & 1)
10389 v >>= 16;
10390 v &= 0xffff;
10391 *ipg = (10000 * v) / core_ticks_per_usec(adap);
10392 }
10393 }
10394
10395 /**
10396 * t4_load_cfg - download config file
10397 * @adap: the adapter
10398 * @cfg_data: the cfg text file to write
10399 * @size: text file size
10400 *
10401 * Write the supplied config text file to the card's serial flash.
10402 */
t4_load_cfg(struct adapter * adap,const u8 * cfg_data,unsigned int size)10403 int t4_load_cfg(struct adapter *adap, const u8 *cfg_data, unsigned int size)
10404 {
10405 int ret, i, n, cfg_addr;
10406 unsigned int addr;
10407 unsigned int flash_cfg_start_sec;
10408 unsigned int sf_sec_size = adap->params.sf_size / adap->params.sf_nsec;
10409
10410 cfg_addr = t4_flash_cfg_addr(adap);
10411 if (cfg_addr < 0)
10412 return cfg_addr;
10413
10414 addr = cfg_addr;
10415 flash_cfg_start_sec = addr / SF_SEC_SIZE;
10416
10417 if (size > FLASH_CFG_MAX_SIZE) {
10418 CH_ERR(adap, "cfg file too large, max is %u bytes\n",
10419 FLASH_CFG_MAX_SIZE);
10420 return -EFBIG;
10421 }
10422
10423 i = DIV_ROUND_UP(FLASH_CFG_MAX_SIZE, /* # of sectors spanned */
10424 sf_sec_size);
10425 ret = t4_flash_erase_sectors(adap, flash_cfg_start_sec,
10426 flash_cfg_start_sec + i - 1);
10427 /*
10428 * If size == 0 then we're simply erasing the FLASH sectors associated
10429 * with the on-adapter Firmware Configuration File.
10430 */
10431 if (ret || size == 0)
10432 goto out;
10433
10434 /* this will write to the flash up to SF_PAGE_SIZE at a time */
10435 for (i = 0; i< size; i+= SF_PAGE_SIZE) {
10436 if ( (size - i) < SF_PAGE_SIZE)
10437 n = size - i;
10438 else
10439 n = SF_PAGE_SIZE;
10440 ret = t4_write_flash(adap, addr, n, cfg_data, 1);
10441 if (ret)
10442 goto out;
10443
10444 addr += SF_PAGE_SIZE;
10445 cfg_data += SF_PAGE_SIZE;
10446 }
10447
10448 out:
10449 if (ret)
10450 CH_ERR(adap, "config file %s failed %d\n",
10451 (size == 0 ? "clear" : "download"), ret);
10452 return ret;
10453 }
10454
10455 /**
10456 * t5_fw_init_extern_mem - initialize the external memory
10457 * @adap: the adapter
10458 *
10459 * Initializes the external memory on T5.
10460 */
t5_fw_init_extern_mem(struct adapter * adap)10461 int t5_fw_init_extern_mem(struct adapter *adap)
10462 {
10463 u32 params[1], val[1];
10464 int ret;
10465
10466 if (!is_t5(adap))
10467 return 0;
10468
10469 val[0] = 0xff; /* Initialize all MCs */
10470 params[0] = (V_FW_PARAMS_MNEM(FW_PARAMS_MNEM_DEV) |
10471 V_FW_PARAMS_PARAM_X(FW_PARAMS_PARAM_DEV_MCINIT));
10472 ret = t4_set_params_timeout(adap, adap->mbox, adap->pf, 0, 1, params, val,
10473 FW_CMD_MAX_TIMEOUT);
10474
10475 return ret;
10476 }
10477
10478 /* BIOS boot headers */
10479 typedef struct pci_expansion_rom_header {
10480 u8 signature[2]; /* ROM Signature. Should be 0xaa55 */
10481 u8 reserved[22]; /* Reserved per processor Architecture data */
10482 u8 pcir_offset[2]; /* Offset to PCI Data Structure */
10483 } pci_exp_rom_header_t; /* PCI_EXPANSION_ROM_HEADER */
10484
10485 /* Legacy PCI Expansion ROM Header */
10486 typedef struct legacy_pci_expansion_rom_header {
10487 u8 signature[2]; /* ROM Signature. Should be 0xaa55 */
10488 u8 size512; /* Current Image Size in units of 512 bytes */
10489 u8 initentry_point[4];
10490 u8 cksum; /* Checksum computed on the entire Image */
10491 u8 reserved[16]; /* Reserved */
10492 u8 pcir_offset[2]; /* Offset to PCI Data Struture */
10493 } legacy_pci_exp_rom_header_t; /* LEGACY_PCI_EXPANSION_ROM_HEADER */
10494
10495 /* EFI PCI Expansion ROM Header */
10496 typedef struct efi_pci_expansion_rom_header {
10497 u8 signature[2]; // ROM signature. The value 0xaa55
10498 u8 initialization_size[2]; /* Units 512. Includes this header */
10499 u8 efi_signature[4]; /* Signature from EFI image header. 0x0EF1 */
10500 u8 efi_subsystem[2]; /* Subsystem value for EFI image header */
10501 u8 efi_machine_type[2]; /* Machine type from EFI image header */
10502 u8 compression_type[2]; /* Compression type. */
10503 /*
10504 * Compression type definition
10505 * 0x0: uncompressed
10506 * 0x1: Compressed
10507 * 0x2-0xFFFF: Reserved
10508 */
10509 u8 reserved[8]; /* Reserved */
10510 u8 efi_image_header_offset[2]; /* Offset to EFI Image */
10511 u8 pcir_offset[2]; /* Offset to PCI Data Structure */
10512 } efi_pci_exp_rom_header_t; /* EFI PCI Expansion ROM Header */
10513
10514 /* PCI Data Structure Format */
10515 typedef struct pcir_data_structure { /* PCI Data Structure */
10516 u8 signature[4]; /* Signature. The string "PCIR" */
10517 u8 vendor_id[2]; /* Vendor Identification */
10518 u8 device_id[2]; /* Device Identification */
10519 u8 vital_product[2]; /* Pointer to Vital Product Data */
10520 u8 length[2]; /* PCIR Data Structure Length */
10521 u8 revision; /* PCIR Data Structure Revision */
10522 u8 class_code[3]; /* Class Code */
10523 u8 image_length[2]; /* Image Length. Multiple of 512B */
10524 u8 code_revision[2]; /* Revision Level of Code/Data */
10525 u8 code_type; /* Code Type. */
10526 /*
10527 * PCI Expansion ROM Code Types
10528 * 0x00: Intel IA-32, PC-AT compatible. Legacy
10529 * 0x01: Open Firmware standard for PCI. FCODE
10530 * 0x02: Hewlett-Packard PA RISC. HP reserved
10531 * 0x03: EFI Image. EFI
10532 * 0x04-0xFF: Reserved.
10533 */
10534 u8 indicator; /* Indicator. Identifies the last image in the ROM */
10535 u8 reserved[2]; /* Reserved */
10536 } pcir_data_t; /* PCI__DATA_STRUCTURE */
10537
10538 /* BOOT constants */
10539 enum {
10540 BOOT_FLASH_BOOT_ADDR = 0x0,/* start address of boot image in flash */
10541 BOOT_SIGNATURE = 0xaa55, /* signature of BIOS boot ROM */
10542 BOOT_SIZE_INC = 512, /* image size measured in 512B chunks */
10543 BOOT_MIN_SIZE = sizeof(pci_exp_rom_header_t), /* basic header */
10544 BOOT_MAX_SIZE = 1024*BOOT_SIZE_INC, /* 1 byte * length increment */
10545 VENDOR_ID = 0x1425, /* Vendor ID */
10546 PCIR_SIGNATURE = 0x52494350 /* PCIR signature */
10547 };
10548
10549 /*
10550 * modify_device_id - Modifies the device ID of the Boot BIOS image
10551 * @adatper: the device ID to write.
10552 * @boot_data: the boot image to modify.
10553 *
10554 * Write the supplied device ID to the boot BIOS image.
10555 */
modify_device_id(int device_id,u8 * boot_data)10556 static void modify_device_id(int device_id, u8 *boot_data)
10557 {
10558 legacy_pci_exp_rom_header_t *header;
10559 pcir_data_t *pcir_header;
10560 u32 cur_header = 0;
10561
10562 /*
10563 * Loop through all chained images and change the device ID's
10564 */
10565 while (1) {
10566 header = (legacy_pci_exp_rom_header_t *) &boot_data[cur_header];
10567 pcir_header = (pcir_data_t *) &boot_data[cur_header +
10568 le16_to_cpu(*(u16*)header->pcir_offset)];
10569
10570 /*
10571 * Only modify the Device ID if code type is Legacy or HP.
10572 * 0x00: Okay to modify
10573 * 0x01: FCODE. Do not be modify
10574 * 0x03: Okay to modify
10575 * 0x04-0xFF: Do not modify
10576 */
10577 if (pcir_header->code_type == 0x00) {
10578 u8 csum = 0;
10579 int i;
10580
10581 /*
10582 * Modify Device ID to match current adatper
10583 */
10584 *(u16*) pcir_header->device_id = device_id;
10585
10586 /*
10587 * Set checksum temporarily to 0.
10588 * We will recalculate it later.
10589 */
10590 header->cksum = 0x0;
10591
10592 /*
10593 * Calculate and update checksum
10594 */
10595 for (i = 0; i < (header->size512 * 512); i++)
10596 csum += (u8)boot_data[cur_header + i];
10597
10598 /*
10599 * Invert summed value to create the checksum
10600 * Writing new checksum value directly to the boot data
10601 */
10602 boot_data[cur_header + 7] = -csum;
10603
10604 } else if (pcir_header->code_type == 0x03) {
10605
10606 /*
10607 * Modify Device ID to match current adatper
10608 */
10609 *(u16*) pcir_header->device_id = device_id;
10610
10611 }
10612
10613
10614 /*
10615 * Check indicator element to identify if this is the last
10616 * image in the ROM.
10617 */
10618 if (pcir_header->indicator & 0x80)
10619 break;
10620
10621 /*
10622 * Move header pointer up to the next image in the ROM.
10623 */
10624 cur_header += header->size512 * 512;
10625 }
10626 }
10627
10628 /*
10629 * t4_load_boot - download boot flash
10630 * @adapter: the adapter
10631 * @boot_data: the boot image to write
10632 * @boot_addr: offset in flash to write boot_data
10633 * @size: image size
10634 *
10635 * Write the supplied boot image to the card's serial flash.
10636 * The boot image has the following sections: a 28-byte header and the
10637 * boot image.
10638 */
t4_load_boot(struct adapter * adap,u8 * boot_data,unsigned int boot_addr,unsigned int size)10639 int t4_load_boot(struct adapter *adap, u8 *boot_data,
10640 unsigned int boot_addr, unsigned int size)
10641 {
10642 pci_exp_rom_header_t *header;
10643 int pcir_offset ;
10644 pcir_data_t *pcir_header;
10645 int ret, addr;
10646 uint16_t device_id;
10647 unsigned int i;
10648 unsigned int boot_sector = (boot_addr * 1024 );
10649 unsigned int sf_sec_size = adap->params.sf_size / adap->params.sf_nsec;
10650
10651 /*
10652 * Make sure the boot image does not encroach on the firmware region
10653 */
10654 if ((boot_sector + size) >> 16 > FLASH_FW_START_SEC) {
10655 CH_ERR(adap, "boot image encroaching on firmware region\n");
10656 return -EFBIG;
10657 }
10658
10659 /*
10660 * The boot sector is comprised of the Expansion-ROM boot, iSCSI boot,
10661 * and Boot configuration data sections. These 3 boot sections span
10662 * sectors 0 to 7 in flash and live right before the FW image location.
10663 */
10664 i = DIV_ROUND_UP(size ? size : FLASH_FW_START,
10665 sf_sec_size);
10666 ret = t4_flash_erase_sectors(adap, boot_sector >> 16,
10667 (boot_sector >> 16) + i - 1);
10668
10669 /*
10670 * If size == 0 then we're simply erasing the FLASH sectors associated
10671 * with the on-adapter option ROM file
10672 */
10673 if (ret || (size == 0))
10674 goto out;
10675
10676 /* Get boot header */
10677 header = (pci_exp_rom_header_t *)boot_data;
10678 pcir_offset = le16_to_cpu(*(u16 *)header->pcir_offset);
10679 /* PCIR Data Structure */
10680 pcir_header = (pcir_data_t *) &boot_data[pcir_offset];
10681
10682 /*
10683 * Perform some primitive sanity testing to avoid accidentally
10684 * writing garbage over the boot sectors. We ought to check for
10685 * more but it's not worth it for now ...
10686 */
10687 if (size < BOOT_MIN_SIZE || size > BOOT_MAX_SIZE) {
10688 CH_ERR(adap, "boot image too small/large\n");
10689 return -EFBIG;
10690 }
10691
10692 #ifndef CHELSIO_T4_DIAGS
10693 /*
10694 * Check BOOT ROM header signature
10695 */
10696 if (le16_to_cpu(*(u16*)header->signature) != BOOT_SIGNATURE ) {
10697 CH_ERR(adap, "Boot image missing signature\n");
10698 return -EINVAL;
10699 }
10700
10701 /*
10702 * Check PCI header signature
10703 */
10704 if (le32_to_cpu(*(u32*)pcir_header->signature) != PCIR_SIGNATURE) {
10705 CH_ERR(adap, "PCI header missing signature\n");
10706 return -EINVAL;
10707 }
10708
10709 /*
10710 * Check Vendor ID matches Chelsio ID
10711 */
10712 if (le16_to_cpu(*(u16*)pcir_header->vendor_id) != VENDOR_ID) {
10713 CH_ERR(adap, "Vendor ID missing signature\n");
10714 return -EINVAL;
10715 }
10716 #endif
10717
10718 /*
10719 * Retrieve adapter's device ID
10720 */
10721 t4_os_pci_read_cfg2(adap, PCI_DEVICE_ID, &device_id);
10722 /* Want to deal with PF 0 so I strip off PF 4 indicator */
10723 device_id = device_id & 0xf0ff;
10724
10725 /*
10726 * Check PCIE Device ID
10727 */
10728 if (le16_to_cpu(*(u16*)pcir_header->device_id) != device_id) {
10729 /*
10730 * Change the device ID in the Boot BIOS image to match
10731 * the Device ID of the current adapter.
10732 */
10733 modify_device_id(device_id, boot_data);
10734 }
10735
10736 /*
10737 * Skip over the first SF_PAGE_SIZE worth of data and write it after
10738 * we finish copying the rest of the boot image. This will ensure
10739 * that the BIOS boot header will only be written if the boot image
10740 * was written in full.
10741 */
10742 addr = boot_sector;
10743 for (size -= SF_PAGE_SIZE; size; size -= SF_PAGE_SIZE) {
10744 addr += SF_PAGE_SIZE;
10745 boot_data += SF_PAGE_SIZE;
10746 ret = t4_write_flash(adap, addr, SF_PAGE_SIZE, boot_data, 0);
10747 if (ret)
10748 goto out;
10749 }
10750
10751 ret = t4_write_flash(adap, boot_sector, SF_PAGE_SIZE,
10752 (const u8 *)header, 0);
10753
10754 out:
10755 if (ret)
10756 CH_ERR(adap, "boot image download failed, error %d\n", ret);
10757 return ret;
10758 }
10759
10760 /*
10761 * t4_flash_bootcfg_addr - return the address of the flash optionrom configuration
10762 * @adapter: the adapter
10763 *
10764 * Return the address within the flash where the OptionROM Configuration
10765 * is stored, or an error if the device FLASH is too small to contain
10766 * a OptionROM Configuration.
10767 */
t4_flash_bootcfg_addr(struct adapter * adapter)10768 static int t4_flash_bootcfg_addr(struct adapter *adapter)
10769 {
10770 /*
10771 * If the device FLASH isn't large enough to hold a Firmware
10772 * Configuration File, return an error.
10773 */
10774 if (adapter->params.sf_size < FLASH_BOOTCFG_START + FLASH_BOOTCFG_MAX_SIZE)
10775 return -ENOSPC;
10776
10777 return FLASH_BOOTCFG_START;
10778 }
10779
t4_load_bootcfg(struct adapter * adap,const u8 * cfg_data,unsigned int size)10780 int t4_load_bootcfg(struct adapter *adap,const u8 *cfg_data, unsigned int size)
10781 {
10782 int ret, i, n, cfg_addr;
10783 unsigned int addr;
10784 unsigned int flash_cfg_start_sec;
10785 unsigned int sf_sec_size = adap->params.sf_size / adap->params.sf_nsec;
10786
10787 cfg_addr = t4_flash_bootcfg_addr(adap);
10788 if (cfg_addr < 0)
10789 return cfg_addr;
10790
10791 addr = cfg_addr;
10792 flash_cfg_start_sec = addr / SF_SEC_SIZE;
10793
10794 if (size > FLASH_BOOTCFG_MAX_SIZE) {
10795 CH_ERR(adap, "bootcfg file too large, max is %u bytes\n",
10796 FLASH_BOOTCFG_MAX_SIZE);
10797 return -EFBIG;
10798 }
10799
10800 i = DIV_ROUND_UP(FLASH_BOOTCFG_MAX_SIZE,/* # of sectors spanned */
10801 sf_sec_size);
10802 ret = t4_flash_erase_sectors(adap, flash_cfg_start_sec,
10803 flash_cfg_start_sec + i - 1);
10804
10805 /*
10806 * If size == 0 then we're simply erasing the FLASH sectors associated
10807 * with the on-adapter OptionROM Configuration File.
10808 */
10809 if (ret || size == 0)
10810 goto out;
10811
10812 /* this will write to the flash up to SF_PAGE_SIZE at a time */
10813 for (i = 0; i< size; i+= SF_PAGE_SIZE) {
10814 if ( (size - i) < SF_PAGE_SIZE)
10815 n = size - i;
10816 else
10817 n = SF_PAGE_SIZE;
10818 ret = t4_write_flash(adap, addr, n, cfg_data, 0);
10819 if (ret)
10820 goto out;
10821
10822 addr += SF_PAGE_SIZE;
10823 cfg_data += SF_PAGE_SIZE;
10824 }
10825
10826 out:
10827 if (ret)
10828 CH_ERR(adap, "boot config data %s failed %d\n",
10829 (size == 0 ? "clear" : "download"), ret);
10830 return ret;
10831 }
10832
10833 /**
10834 * t4_set_filter_cfg - set up filter mode/mask and ingress config.
10835 * @adap: the adapter
10836 * @mode: a bitmap selecting which optional filter components to enable
10837 * @mask: a bitmap selecting which components to enable in filter mask
10838 * @vnic_mode: the ingress config/vnic mode setting
10839 *
10840 * Sets the filter mode and mask by selecting the optional components to
10841 * enable in filter tuples. Returns 0 on success and a negative error if
10842 * the requested mode needs more bits than are available for optional
10843 * components. The filter mask must be a subset of the filter mode.
10844 */
t4_set_filter_cfg(struct adapter * adap,int mode,int mask,int vnic_mode)10845 int t4_set_filter_cfg(struct adapter *adap, int mode, int mask, int vnic_mode)
10846 {
10847 static const uint8_t width[] = {1, 3, 17, 17, 8, 8, 16, 9, 3, 1};
10848 int i, nbits, rc;
10849 uint32_t param, val;
10850 uint16_t fmode, fmask;
10851 const int maxbits = adap->chip_params->filter_opt_len;
10852
10853 if (mode != -1 || mask != -1) {
10854 if (mode != -1) {
10855 fmode = mode;
10856 nbits = 0;
10857 for (i = S_FCOE; i <= S_FRAGMENTATION; i++) {
10858 if (fmode & (1 << i))
10859 nbits += width[i];
10860 }
10861 if (nbits > maxbits) {
10862 CH_ERR(adap, "optional fields in the filter "
10863 "mode (0x%x) add up to %d bits "
10864 "(must be <= %db). Remove some fields and "
10865 "try again.\n", fmode, nbits, maxbits);
10866 return -E2BIG;
10867 }
10868
10869 /*
10870 * Hardware wants the bits to be maxed out. Keep
10871 * setting them until there's no room for more.
10872 */
10873 for (i = S_FCOE; i <= S_FRAGMENTATION; i++) {
10874 if (fmode & (1 << i))
10875 continue;
10876 if (nbits + width[i] <= maxbits) {
10877 fmode |= 1 << i;
10878 nbits += width[i];
10879 if (nbits == maxbits)
10880 break;
10881 }
10882 }
10883
10884 fmask = fmode & adap->params.tp.filter_mask;
10885 if (fmask != adap->params.tp.filter_mask) {
10886 CH_WARN(adap,
10887 "filter mask will be changed from 0x%x to "
10888 "0x%x to comply with the filter mode (0x%x).\n",
10889 adap->params.tp.filter_mask, fmask, fmode);
10890 }
10891 } else {
10892 fmode = adap->params.tp.filter_mode;
10893 fmask = mask;
10894 if ((fmode | fmask) != fmode) {
10895 CH_ERR(adap,
10896 "filter mask (0x%x) must be a subset of "
10897 "the filter mode (0x%x).\n", fmask, fmode);
10898 return -EINVAL;
10899 }
10900 }
10901
10902 param = V_FW_PARAMS_MNEM(FW_PARAMS_MNEM_DEV) |
10903 V_FW_PARAMS_PARAM_X(FW_PARAMS_PARAM_DEV_FILTER) |
10904 V_FW_PARAMS_PARAM_Y(FW_PARAM_DEV_FILTER_MODE_MASK);
10905 val = V_FW_PARAMS_PARAM_FILTER_MODE(fmode) |
10906 V_FW_PARAMS_PARAM_FILTER_MASK(fmask);
10907 rc = t4_set_params(adap, adap->mbox, adap->pf, 0, 1, ¶m,
10908 &val);
10909 if (rc < 0)
10910 return rc;
10911 }
10912
10913 if (vnic_mode != -1) {
10914 param = V_FW_PARAMS_MNEM(FW_PARAMS_MNEM_DEV) |
10915 V_FW_PARAMS_PARAM_X(FW_PARAMS_PARAM_DEV_FILTER) |
10916 V_FW_PARAMS_PARAM_Y(FW_PARAM_DEV_FILTER_VNIC_MODE);
10917 val = vnic_mode;
10918 rc = t4_set_params(adap, adap->mbox, adap->pf, 0, 1, ¶m,
10919 &val);
10920 if (rc < 0)
10921 return rc;
10922 }
10923
10924 /* Refresh. */
10925 read_filter_mode_and_ingress_config(adap);
10926
10927 return 0;
10928 }
10929
10930 /**
10931 * t4_clr_port_stats - clear port statistics
10932 * @adap: the adapter
10933 * @idx: the port index
10934 *
10935 * Clear HW statistics for the given port.
10936 */
t4_clr_port_stats(struct adapter * adap,int idx)10937 void t4_clr_port_stats(struct adapter *adap, int idx)
10938 {
10939 unsigned int i;
10940 u32 bgmap = adap2pinfo(adap, idx)->mps_bg_map;
10941 u32 port_base_addr;
10942
10943 if (is_t4(adap))
10944 port_base_addr = PORT_BASE(idx);
10945 else
10946 port_base_addr = T5_PORT_BASE(idx);
10947
10948 for (i = A_MPS_PORT_STAT_TX_PORT_BYTES_L;
10949 i <= A_MPS_PORT_STAT_TX_PORT_PPP7_H; i += 8)
10950 t4_write_reg(adap, port_base_addr + i, 0);
10951 for (i = A_MPS_PORT_STAT_RX_PORT_BYTES_L;
10952 i <= A_MPS_PORT_STAT_RX_PORT_LESS_64B_H; i += 8)
10953 t4_write_reg(adap, port_base_addr + i, 0);
10954 for (i = 0; i < 4; i++)
10955 if (bgmap & (1 << i)) {
10956 t4_write_reg(adap,
10957 A_MPS_STAT_RX_BG_0_MAC_DROP_FRAME_L + i * 8, 0);
10958 t4_write_reg(adap,
10959 A_MPS_STAT_RX_BG_0_MAC_TRUNC_FRAME_L + i * 8, 0);
10960 }
10961 }
10962
10963 /**
10964 * t4_i2c_io - read/write I2C data from adapter
10965 * @adap: the adapter
10966 * @port: Port number if per-port device; <0 if not
10967 * @devid: per-port device ID or absolute device ID
10968 * @offset: byte offset into device I2C space
10969 * @len: byte length of I2C space data
10970 * @buf: buffer in which to return I2C data for read
10971 * buffer which holds the I2C data for write
10972 * @write: if true, do a write; else do a read
10973 * Reads/Writes the I2C data from/to the indicated device and location.
10974 */
t4_i2c_io(struct adapter * adap,unsigned int mbox,int port,unsigned int devid,unsigned int offset,unsigned int len,u8 * buf,bool write)10975 int t4_i2c_io(struct adapter *adap, unsigned int mbox,
10976 int port, unsigned int devid,
10977 unsigned int offset, unsigned int len,
10978 u8 *buf, bool write)
10979 {
10980 struct fw_ldst_cmd ldst_cmd, ldst_rpl;
10981 unsigned int i2c_max = sizeof(ldst_cmd.u.i2c.data);
10982 int ret = 0;
10983
10984 if (len > I2C_PAGE_SIZE)
10985 return -EINVAL;
10986
10987 /* Dont allow reads that spans multiple pages */
10988 if (offset < I2C_PAGE_SIZE && offset + len > I2C_PAGE_SIZE)
10989 return -EINVAL;
10990
10991 memset(&ldst_cmd, 0, sizeof(ldst_cmd));
10992 ldst_cmd.op_to_addrspace =
10993 cpu_to_be32(V_FW_CMD_OP(FW_LDST_CMD) |
10994 F_FW_CMD_REQUEST |
10995 (write ? F_FW_CMD_WRITE : F_FW_CMD_READ) |
10996 V_FW_LDST_CMD_ADDRSPACE(FW_LDST_ADDRSPC_I2C));
10997 ldst_cmd.cycles_to_len16 = cpu_to_be32(FW_LEN16(ldst_cmd));
10998 ldst_cmd.u.i2c.pid = (port < 0 ? 0xff : port);
10999 ldst_cmd.u.i2c.did = devid;
11000
11001 while (len > 0) {
11002 unsigned int i2c_len = (len < i2c_max) ? len : i2c_max;
11003
11004 ldst_cmd.u.i2c.boffset = offset;
11005 ldst_cmd.u.i2c.blen = i2c_len;
11006
11007 if (write)
11008 memcpy(ldst_cmd.u.i2c.data, buf, i2c_len);
11009
11010 ret = t4_wr_mbox(adap, mbox, &ldst_cmd, sizeof(ldst_cmd),
11011 write ? NULL : &ldst_rpl);
11012 if (ret)
11013 break;
11014
11015 if (!write)
11016 memcpy(buf, ldst_rpl.u.i2c.data, i2c_len);
11017 offset += i2c_len;
11018 buf += i2c_len;
11019 len -= i2c_len;
11020 }
11021
11022 return ret;
11023 }
11024
t4_i2c_rd(struct adapter * adap,unsigned int mbox,int port,unsigned int devid,unsigned int offset,unsigned int len,u8 * buf)11025 int t4_i2c_rd(struct adapter *adap, unsigned int mbox,
11026 int port, unsigned int devid,
11027 unsigned int offset, unsigned int len,
11028 u8 *buf)
11029 {
11030 return t4_i2c_io(adap, mbox, port, devid, offset, len, buf, false);
11031 }
11032
t4_i2c_wr(struct adapter * adap,unsigned int mbox,int port,unsigned int devid,unsigned int offset,unsigned int len,u8 * buf)11033 int t4_i2c_wr(struct adapter *adap, unsigned int mbox,
11034 int port, unsigned int devid,
11035 unsigned int offset, unsigned int len,
11036 u8 *buf)
11037 {
11038 return t4_i2c_io(adap, mbox, port, devid, offset, len, buf, true);
11039 }
11040
11041 /**
11042 * t4_sge_ctxt_rd - read an SGE context through FW
11043 * @adap: the adapter
11044 * @mbox: mailbox to use for the FW command
11045 * @cid: the context id
11046 * @ctype: the context type
11047 * @data: where to store the context data
11048 *
11049 * Issues a FW command through the given mailbox to read an SGE context.
11050 */
t4_sge_ctxt_rd(struct adapter * adap,unsigned int mbox,unsigned int cid,enum ctxt_type ctype,u32 * data)11051 int t4_sge_ctxt_rd(struct adapter *adap, unsigned int mbox, unsigned int cid,
11052 enum ctxt_type ctype, u32 *data)
11053 {
11054 int ret;
11055 struct fw_ldst_cmd c;
11056
11057 if (ctype == CTXT_EGRESS)
11058 ret = FW_LDST_ADDRSPC_SGE_EGRC;
11059 else if (ctype == CTXT_INGRESS)
11060 ret = FW_LDST_ADDRSPC_SGE_INGC;
11061 else if (ctype == CTXT_FLM)
11062 ret = FW_LDST_ADDRSPC_SGE_FLMC;
11063 else
11064 ret = FW_LDST_ADDRSPC_SGE_CONMC;
11065
11066 memset(&c, 0, sizeof(c));
11067 c.op_to_addrspace = cpu_to_be32(V_FW_CMD_OP(FW_LDST_CMD) |
11068 F_FW_CMD_REQUEST | F_FW_CMD_READ |
11069 V_FW_LDST_CMD_ADDRSPACE(ret));
11070 c.cycles_to_len16 = cpu_to_be32(FW_LEN16(c));
11071 c.u.idctxt.physid = cpu_to_be32(cid);
11072
11073 ret = t4_wr_mbox(adap, mbox, &c, sizeof(c), &c);
11074 if (ret == 0) {
11075 data[0] = be32_to_cpu(c.u.idctxt.ctxt_data0);
11076 data[1] = be32_to_cpu(c.u.idctxt.ctxt_data1);
11077 data[2] = be32_to_cpu(c.u.idctxt.ctxt_data2);
11078 data[3] = be32_to_cpu(c.u.idctxt.ctxt_data3);
11079 data[4] = be32_to_cpu(c.u.idctxt.ctxt_data4);
11080 data[5] = be32_to_cpu(c.u.idctxt.ctxt_data5);
11081 }
11082 return ret;
11083 }
11084
11085 /**
11086 * t4_sge_ctxt_rd_bd - read an SGE context bypassing FW
11087 * @adap: the adapter
11088 * @cid: the context id
11089 * @ctype: the context type
11090 * @data: where to store the context data
11091 *
11092 * Reads an SGE context directly, bypassing FW. This is only for
11093 * debugging when FW is unavailable.
11094 */
t4_sge_ctxt_rd_bd(struct adapter * adap,unsigned int cid,enum ctxt_type ctype,u32 * data)11095 int t4_sge_ctxt_rd_bd(struct adapter *adap, unsigned int cid, enum ctxt_type ctype,
11096 u32 *data)
11097 {
11098 int i, ret;
11099
11100 t4_write_reg(adap, A_SGE_CTXT_CMD, V_CTXTQID(cid) | V_CTXTTYPE(ctype));
11101 ret = t4_wait_op_done(adap, A_SGE_CTXT_CMD, F_BUSY, 0, 3, 1);
11102 if (!ret)
11103 for (i = A_SGE_CTXT_DATA0; i <= A_SGE_CTXT_DATA5; i += 4)
11104 *data++ = t4_read_reg(adap, i);
11105 return ret;
11106 }
11107
t4_sched_config(struct adapter * adapter,int type,int minmaxen,int sleep_ok)11108 int t4_sched_config(struct adapter *adapter, int type, int minmaxen,
11109 int sleep_ok)
11110 {
11111 struct fw_sched_cmd cmd;
11112
11113 memset(&cmd, 0, sizeof(cmd));
11114 cmd.op_to_write = cpu_to_be32(V_FW_CMD_OP(FW_SCHED_CMD) |
11115 F_FW_CMD_REQUEST |
11116 F_FW_CMD_WRITE);
11117 cmd.retval_len16 = cpu_to_be32(FW_LEN16(cmd));
11118
11119 cmd.u.config.sc = FW_SCHED_SC_CONFIG;
11120 cmd.u.config.type = type;
11121 cmd.u.config.minmaxen = minmaxen;
11122
11123 return t4_wr_mbox_meat(adapter,adapter->mbox, &cmd, sizeof(cmd),
11124 NULL, sleep_ok);
11125 }
11126
t4_sched_params(struct adapter * adapter,int type,int level,int mode,int rateunit,int ratemode,int channel,int cl,int minrate,int maxrate,int weight,int pktsize,int burstsize,int sleep_ok)11127 int t4_sched_params(struct adapter *adapter, int type, int level, int mode,
11128 int rateunit, int ratemode, int channel, int cl,
11129 int minrate, int maxrate, int weight, int pktsize,
11130 int burstsize, int sleep_ok)
11131 {
11132 struct fw_sched_cmd cmd;
11133
11134 memset(&cmd, 0, sizeof(cmd));
11135 cmd.op_to_write = cpu_to_be32(V_FW_CMD_OP(FW_SCHED_CMD) |
11136 F_FW_CMD_REQUEST |
11137 F_FW_CMD_WRITE);
11138 cmd.retval_len16 = cpu_to_be32(FW_LEN16(cmd));
11139
11140 cmd.u.params.sc = FW_SCHED_SC_PARAMS;
11141 cmd.u.params.type = type;
11142 cmd.u.params.level = level;
11143 cmd.u.params.mode = mode;
11144 cmd.u.params.ch = channel;
11145 cmd.u.params.cl = cl;
11146 cmd.u.params.unit = rateunit;
11147 cmd.u.params.rate = ratemode;
11148 cmd.u.params.min = cpu_to_be32(minrate);
11149 cmd.u.params.max = cpu_to_be32(maxrate);
11150 cmd.u.params.weight = cpu_to_be16(weight);
11151 cmd.u.params.pktsize = cpu_to_be16(pktsize);
11152 cmd.u.params.burstsize = cpu_to_be16(burstsize);
11153
11154 return t4_wr_mbox_meat(adapter,adapter->mbox, &cmd, sizeof(cmd),
11155 NULL, sleep_ok);
11156 }
11157
t4_sched_params_ch_rl(struct adapter * adapter,int channel,int ratemode,unsigned int maxrate,int sleep_ok)11158 int t4_sched_params_ch_rl(struct adapter *adapter, int channel, int ratemode,
11159 unsigned int maxrate, int sleep_ok)
11160 {
11161 struct fw_sched_cmd cmd;
11162
11163 memset(&cmd, 0, sizeof(cmd));
11164 cmd.op_to_write = cpu_to_be32(V_FW_CMD_OP(FW_SCHED_CMD) |
11165 F_FW_CMD_REQUEST |
11166 F_FW_CMD_WRITE);
11167 cmd.retval_len16 = cpu_to_be32(FW_LEN16(cmd));
11168
11169 cmd.u.params.sc = FW_SCHED_SC_PARAMS;
11170 cmd.u.params.type = FW_SCHED_TYPE_PKTSCHED;
11171 cmd.u.params.level = FW_SCHED_PARAMS_LEVEL_CH_RL;
11172 cmd.u.params.ch = channel;
11173 cmd.u.params.rate = ratemode; /* REL or ABS */
11174 cmd.u.params.max = cpu_to_be32(maxrate);/* % or kbps */
11175
11176 return t4_wr_mbox_meat(adapter,adapter->mbox, &cmd, sizeof(cmd),
11177 NULL, sleep_ok);
11178 }
11179
t4_sched_params_cl_wrr(struct adapter * adapter,int channel,int cl,int weight,int sleep_ok)11180 int t4_sched_params_cl_wrr(struct adapter *adapter, int channel, int cl,
11181 int weight, int sleep_ok)
11182 {
11183 struct fw_sched_cmd cmd;
11184
11185 if (weight < 0 || weight > 100)
11186 return -EINVAL;
11187
11188 memset(&cmd, 0, sizeof(cmd));
11189 cmd.op_to_write = cpu_to_be32(V_FW_CMD_OP(FW_SCHED_CMD) |
11190 F_FW_CMD_REQUEST |
11191 F_FW_CMD_WRITE);
11192 cmd.retval_len16 = cpu_to_be32(FW_LEN16(cmd));
11193
11194 cmd.u.params.sc = FW_SCHED_SC_PARAMS;
11195 cmd.u.params.type = FW_SCHED_TYPE_PKTSCHED;
11196 cmd.u.params.level = FW_SCHED_PARAMS_LEVEL_CL_WRR;
11197 cmd.u.params.ch = channel;
11198 cmd.u.params.cl = cl;
11199 cmd.u.params.weight = cpu_to_be16(weight);
11200
11201 return t4_wr_mbox_meat(adapter,adapter->mbox, &cmd, sizeof(cmd),
11202 NULL, sleep_ok);
11203 }
11204
t4_sched_params_cl_rl_kbps(struct adapter * adapter,int channel,int cl,int mode,unsigned int maxrate,int pktsize,int sleep_ok)11205 int t4_sched_params_cl_rl_kbps(struct adapter *adapter, int channel, int cl,
11206 int mode, unsigned int maxrate, int pktsize, int sleep_ok)
11207 {
11208 struct fw_sched_cmd cmd;
11209
11210 memset(&cmd, 0, sizeof(cmd));
11211 cmd.op_to_write = cpu_to_be32(V_FW_CMD_OP(FW_SCHED_CMD) |
11212 F_FW_CMD_REQUEST |
11213 F_FW_CMD_WRITE);
11214 cmd.retval_len16 = cpu_to_be32(FW_LEN16(cmd));
11215
11216 cmd.u.params.sc = FW_SCHED_SC_PARAMS;
11217 cmd.u.params.type = FW_SCHED_TYPE_PKTSCHED;
11218 cmd.u.params.level = FW_SCHED_PARAMS_LEVEL_CL_RL;
11219 cmd.u.params.mode = mode;
11220 cmd.u.params.ch = channel;
11221 cmd.u.params.cl = cl;
11222 cmd.u.params.unit = FW_SCHED_PARAMS_UNIT_BITRATE;
11223 cmd.u.params.rate = FW_SCHED_PARAMS_RATE_ABS;
11224 cmd.u.params.max = cpu_to_be32(maxrate);
11225 cmd.u.params.pktsize = cpu_to_be16(pktsize);
11226
11227 return t4_wr_mbox_meat(adapter,adapter->mbox, &cmd, sizeof(cmd),
11228 NULL, sleep_ok);
11229 }
11230
11231 /*
11232 * t4_config_watchdog - configure (enable/disable) a watchdog timer
11233 * @adapter: the adapter
11234 * @mbox: mailbox to use for the FW command
11235 * @pf: the PF owning the queue
11236 * @vf: the VF owning the queue
11237 * @timeout: watchdog timeout in ms
11238 * @action: watchdog timer / action
11239 *
11240 * There are separate watchdog timers for each possible watchdog
11241 * action. Configure one of the watchdog timers by setting a non-zero
11242 * timeout. Disable a watchdog timer by using a timeout of zero.
11243 */
t4_config_watchdog(struct adapter * adapter,unsigned int mbox,unsigned int pf,unsigned int vf,unsigned int timeout,unsigned int action)11244 int t4_config_watchdog(struct adapter *adapter, unsigned int mbox,
11245 unsigned int pf, unsigned int vf,
11246 unsigned int timeout, unsigned int action)
11247 {
11248 struct fw_watchdog_cmd wdog;
11249 unsigned int ticks;
11250
11251 /*
11252 * The watchdog command expects a timeout in units of 10ms so we need
11253 * to convert it here (via rounding) and force a minimum of one 10ms
11254 * "tick" if the timeout is non-zero but the conversion results in 0
11255 * ticks.
11256 */
11257 ticks = (timeout + 5)/10;
11258 if (timeout && !ticks)
11259 ticks = 1;
11260
11261 memset(&wdog, 0, sizeof wdog);
11262 wdog.op_to_vfn = cpu_to_be32(V_FW_CMD_OP(FW_WATCHDOG_CMD) |
11263 F_FW_CMD_REQUEST |
11264 F_FW_CMD_WRITE |
11265 V_FW_PARAMS_CMD_PFN(pf) |
11266 V_FW_PARAMS_CMD_VFN(vf));
11267 wdog.retval_len16 = cpu_to_be32(FW_LEN16(wdog));
11268 wdog.timeout = cpu_to_be32(ticks);
11269 wdog.action = cpu_to_be32(action);
11270
11271 return t4_wr_mbox(adapter, mbox, &wdog, sizeof wdog, NULL);
11272 }
11273
t4_get_devlog_level(struct adapter * adapter,unsigned int * level)11274 int t4_get_devlog_level(struct adapter *adapter, unsigned int *level)
11275 {
11276 struct fw_devlog_cmd devlog_cmd;
11277 int ret;
11278
11279 memset(&devlog_cmd, 0, sizeof(devlog_cmd));
11280 devlog_cmd.op_to_write = cpu_to_be32(V_FW_CMD_OP(FW_DEVLOG_CMD) |
11281 F_FW_CMD_REQUEST | F_FW_CMD_READ);
11282 devlog_cmd.retval_len16 = cpu_to_be32(FW_LEN16(devlog_cmd));
11283 ret = t4_wr_mbox(adapter, adapter->mbox, &devlog_cmd,
11284 sizeof(devlog_cmd), &devlog_cmd);
11285 if (ret)
11286 return ret;
11287
11288 *level = devlog_cmd.level;
11289 return 0;
11290 }
11291
t4_set_devlog_level(struct adapter * adapter,unsigned int level)11292 int t4_set_devlog_level(struct adapter *adapter, unsigned int level)
11293 {
11294 struct fw_devlog_cmd devlog_cmd;
11295
11296 memset(&devlog_cmd, 0, sizeof(devlog_cmd));
11297 devlog_cmd.op_to_write = cpu_to_be32(V_FW_CMD_OP(FW_DEVLOG_CMD) |
11298 F_FW_CMD_REQUEST |
11299 F_FW_CMD_WRITE);
11300 devlog_cmd.level = level;
11301 devlog_cmd.retval_len16 = cpu_to_be32(FW_LEN16(devlog_cmd));
11302 return t4_wr_mbox(adapter, adapter->mbox, &devlog_cmd,
11303 sizeof(devlog_cmd), &devlog_cmd);
11304 }
11305
t4_configure_add_smac(struct adapter * adap)11306 int t4_configure_add_smac(struct adapter *adap)
11307 {
11308 unsigned int param, val;
11309 int ret = 0;
11310
11311 adap->params.smac_add_support = 0;
11312 param = (V_FW_PARAMS_MNEM(FW_PARAMS_MNEM_DEV) |
11313 V_FW_PARAMS_PARAM_X(FW_PARAMS_PARAM_DEV_ADD_SMAC));
11314 /* Query FW to check if FW supports adding source mac address
11315 * to TCAM feature or not.
11316 * If FW returns 1, driver can use this feature and driver need to send
11317 * FW_PARAMS_PARAM_DEV_ADD_SMAC write command with value 1 to
11318 * enable adding smac to TCAM.
11319 */
11320 ret = t4_query_params(adap, adap->mbox, adap->pf, 0, 1, ¶m, &val);
11321 if (ret)
11322 return ret;
11323
11324 if (val == 1) {
11325 ret = t4_set_params(adap, adap->mbox, adap->pf, 0, 1,
11326 ¶m, &val);
11327 if (!ret)
11328 /* Firmware allows adding explicit TCAM entries.
11329 * Save this internally.
11330 */
11331 adap->params.smac_add_support = 1;
11332 }
11333
11334 return ret;
11335 }
11336
t4_configure_ringbb(struct adapter * adap)11337 int t4_configure_ringbb(struct adapter *adap)
11338 {
11339 unsigned int param, val;
11340 int ret = 0;
11341
11342 param = (V_FW_PARAMS_MNEM(FW_PARAMS_MNEM_DEV) |
11343 V_FW_PARAMS_PARAM_X(FW_PARAMS_PARAM_DEV_RING_BACKBONE));
11344 /* Query FW to check if FW supports ring switch feature or not.
11345 * If FW returns 1, driver can use this feature and driver need to send
11346 * FW_PARAMS_PARAM_DEV_RING_BACKBONE write command with value 1 to
11347 * enable the ring backbone configuration.
11348 */
11349 ret = t4_query_params(adap, adap->mbox, adap->pf, 0, 1, ¶m, &val);
11350 if (ret < 0) {
11351 CH_ERR(adap, "Querying FW using Ring backbone params command failed, err=%d\n",
11352 ret);
11353 goto out;
11354 }
11355
11356 if (val != 1) {
11357 CH_ERR(adap, "FW doesnot support ringbackbone features\n");
11358 goto out;
11359 }
11360
11361 ret = t4_set_params(adap, adap->mbox, adap->pf, 0, 1, ¶m, &val);
11362 if (ret < 0) {
11363 CH_ERR(adap, "Could not set Ringbackbone, err= %d\n",
11364 ret);
11365 goto out;
11366 }
11367
11368 out:
11369 return ret;
11370 }
11371
11372 /*
11373 * t4_set_vlan_acl - Set a VLAN id for the specified VF
11374 * @adapter: the adapter
11375 * @mbox: mailbox to use for the FW command
11376 * @vf: one of the VFs instantiated by the specified PF
11377 * @vlan: The vlanid to be set
11378 *
11379 */
t4_set_vlan_acl(struct adapter * adap,unsigned int mbox,unsigned int vf,u16 vlan)11380 int t4_set_vlan_acl(struct adapter *adap, unsigned int mbox, unsigned int vf,
11381 u16 vlan)
11382 {
11383 struct fw_acl_vlan_cmd vlan_cmd;
11384 unsigned int enable;
11385
11386 enable = (vlan ? F_FW_ACL_VLAN_CMD_EN : 0);
11387 memset(&vlan_cmd, 0, sizeof(vlan_cmd));
11388 vlan_cmd.op_to_vfn = cpu_to_be32(V_FW_CMD_OP(FW_ACL_VLAN_CMD) |
11389 F_FW_CMD_REQUEST |
11390 F_FW_CMD_WRITE |
11391 F_FW_CMD_EXEC |
11392 V_FW_ACL_VLAN_CMD_PFN(adap->pf) |
11393 V_FW_ACL_VLAN_CMD_VFN(vf));
11394 vlan_cmd.en_to_len16 = cpu_to_be32(enable | FW_LEN16(vlan_cmd));
11395 /* Drop all packets that donot match vlan id */
11396 vlan_cmd.dropnovlan_fm = (enable
11397 ? (F_FW_ACL_VLAN_CMD_DROPNOVLAN |
11398 F_FW_ACL_VLAN_CMD_FM)
11399 : 0);
11400 if (enable != 0) {
11401 vlan_cmd.nvlan = 1;
11402 vlan_cmd.vlanid[0] = cpu_to_be16(vlan);
11403 }
11404
11405 return t4_wr_mbox(adap, adap->mbox, &vlan_cmd, sizeof(vlan_cmd), NULL);
11406 }
11407
11408 /**
11409 * t4_del_mac - Removes the exact-match filter for a MAC address
11410 * @adap: the adapter
11411 * @mbox: mailbox to use for the FW command
11412 * @viid: the VI id
11413 * @addr: the MAC address value
11414 * @smac: if true, delete from only the smac region of MPS
11415 *
11416 * Modifies an exact-match filter and sets it to the new MAC address if
11417 * @idx >= 0, or adds the MAC address to a new filter if @idx < 0. In the
11418 * latter case the address is added persistently if @persist is %true.
11419 *
11420 * Returns a negative error number or the index of the filter with the new
11421 * MAC value. Note that this index may differ from @idx.
11422 */
t4_del_mac(struct adapter * adap,unsigned int mbox,unsigned int viid,const u8 * addr,bool smac)11423 int t4_del_mac(struct adapter *adap, unsigned int mbox, unsigned int viid,
11424 const u8 *addr, bool smac)
11425 {
11426 int ret;
11427 struct fw_vi_mac_cmd c;
11428 struct fw_vi_mac_exact *p = c.u.exact;
11429 unsigned int max_mac_addr = adap->chip_params->mps_tcam_size;
11430
11431 memset(&c, 0, sizeof(c));
11432 c.op_to_viid = cpu_to_be32(V_FW_CMD_OP(FW_VI_MAC_CMD) |
11433 F_FW_CMD_REQUEST | F_FW_CMD_WRITE |
11434 V_FW_VI_MAC_CMD_VIID(viid));
11435 c.freemacs_to_len16 = cpu_to_be32(
11436 V_FW_CMD_LEN16(1) |
11437 (smac ? F_FW_VI_MAC_CMD_IS_SMAC : 0));
11438
11439 memcpy(p->macaddr, addr, sizeof(p->macaddr));
11440 p->valid_to_idx = cpu_to_be16(
11441 F_FW_VI_MAC_CMD_VALID |
11442 V_FW_VI_MAC_CMD_IDX(FW_VI_MAC_MAC_BASED_FREE));
11443
11444 ret = t4_wr_mbox(adap, mbox, &c, sizeof(c), &c);
11445 if (ret == 0) {
11446 ret = G_FW_VI_MAC_CMD_IDX(be16_to_cpu(p->valid_to_idx));
11447 if (ret < max_mac_addr)
11448 return -ENOMEM;
11449 }
11450
11451 return ret;
11452 }
11453
11454 /**
11455 * t4_add_mac - Adds an exact-match filter for a MAC address
11456 * @adap: the adapter
11457 * @mbox: mailbox to use for the FW command
11458 * @viid: the VI id
11459 * @idx: index of existing filter for old value of MAC address, or -1
11460 * @addr: the new MAC address value
11461 * @persist: whether a new MAC allocation should be persistent
11462 * @add_smt: if true also add the address to the HW SMT
11463 * @smac: if true, update only the smac region of MPS
11464 *
11465 * Modifies an exact-match filter and sets it to the new MAC address if
11466 * @idx >= 0, or adds the MAC address to a new filter if @idx < 0. In the
11467 * latter case the address is added persistently if @persist is %true.
11468 *
11469 * Returns a negative error number or the index of the filter with the new
11470 * MAC value. Note that this index may differ from @idx.
11471 */
t4_add_mac(struct adapter * adap,unsigned int mbox,unsigned int viid,int idx,const u8 * addr,bool persist,u8 * smt_idx,bool smac)11472 int t4_add_mac(struct adapter *adap, unsigned int mbox, unsigned int viid,
11473 int idx, const u8 *addr, bool persist, u8 *smt_idx, bool smac)
11474 {
11475 int ret, mode;
11476 struct fw_vi_mac_cmd c;
11477 struct fw_vi_mac_exact *p = c.u.exact;
11478 unsigned int max_mac_addr = adap->chip_params->mps_tcam_size;
11479
11480 if (idx < 0) /* new allocation */
11481 idx = persist ? FW_VI_MAC_ADD_PERSIST_MAC : FW_VI_MAC_ADD_MAC;
11482 mode = smt_idx ? FW_VI_MAC_SMT_AND_MPSTCAM : FW_VI_MAC_MPS_TCAM_ENTRY;
11483
11484 memset(&c, 0, sizeof(c));
11485 c.op_to_viid = cpu_to_be32(V_FW_CMD_OP(FW_VI_MAC_CMD) |
11486 F_FW_CMD_REQUEST | F_FW_CMD_WRITE |
11487 V_FW_VI_MAC_CMD_VIID(viid));
11488 c.freemacs_to_len16 = cpu_to_be32(
11489 V_FW_CMD_LEN16(1) |
11490 (smac ? F_FW_VI_MAC_CMD_IS_SMAC : 0));
11491 p->valid_to_idx = cpu_to_be16(F_FW_VI_MAC_CMD_VALID |
11492 V_FW_VI_MAC_CMD_SMAC_RESULT(mode) |
11493 V_FW_VI_MAC_CMD_IDX(idx));
11494 memcpy(p->macaddr, addr, sizeof(p->macaddr));
11495
11496 ret = t4_wr_mbox(adap, mbox, &c, sizeof(c), &c);
11497 if (ret == 0) {
11498 ret = G_FW_VI_MAC_CMD_IDX(be16_to_cpu(p->valid_to_idx));
11499 if (ret >= max_mac_addr)
11500 return -ENOMEM;
11501 if (smt_idx) {
11502 /* Does fw supports returning smt_idx? */
11503 if (adap->params.viid_smt_extn_support)
11504 *smt_idx = G_FW_VI_MAC_CMD_SMTID(be32_to_cpu(c.op_to_viid));
11505 else {
11506 /* In T4/T5, SMT contains 256 SMAC entries
11507 * organized in 128 rows of 2 entries each.
11508 * In T6, SMT contains 256 SMAC entries in
11509 * 256 rows.
11510 */
11511 if (chip_id(adap) <= CHELSIO_T5)
11512 *smt_idx = ((viid & M_FW_VIID_VIN) << 1);
11513 else
11514 *smt_idx = (viid & M_FW_VIID_VIN);
11515 }
11516 }
11517 }
11518
11519 return ret;
11520 }
11521