xref: /linux/drivers/net/ethernet/qlogic/qed/qed_mcp.c (revision 39701603)
1 // SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause)
2 /* QLogic qed NIC Driver
3  * Copyright (c) 2015-2017  QLogic Corporation
4  * Copyright (c) 2019-2020 Marvell International Ltd.
5  */
6 
7 #include <linux/types.h>
8 #include <asm/byteorder.h>
9 #include <linux/delay.h>
10 #include <linux/errno.h>
11 #include <linux/kernel.h>
12 #include <linux/slab.h>
13 #include <linux/spinlock.h>
14 #include <linux/string.h>
15 #include <linux/etherdevice.h>
16 #include "qed.h"
17 #include "qed_cxt.h"
18 #include "qed_dcbx.h"
19 #include "qed_hsi.h"
20 #include "qed_mfw_hsi.h"
21 #include "qed_hw.h"
22 #include "qed_mcp.h"
23 #include "qed_reg_addr.h"
24 #include "qed_sriov.h"
25 
26 #define GRCBASE_MCP     0xe00000
27 
28 #define QED_MCP_RESP_ITER_US	10
29 
30 #define QED_DRV_MB_MAX_RETRIES	(500 * 1000)	/* Account for 5 sec */
31 #define QED_MCP_RESET_RETRIES	(50 * 1000)	/* Account for 500 msec */
32 
33 #define DRV_INNER_WR(_p_hwfn, _p_ptt, _ptr, _offset, _val)	     \
34 	qed_wr(_p_hwfn, _p_ptt, (_p_hwfn->mcp_info->_ptr + (_offset)), \
35 	       _val)
36 
37 #define DRV_INNER_RD(_p_hwfn, _p_ptt, _ptr, _offset) \
38 	qed_rd(_p_hwfn, _p_ptt, (_p_hwfn->mcp_info->_ptr + (_offset)))
39 
40 #define DRV_MB_WR(_p_hwfn, _p_ptt, _field, _val)  \
41 	DRV_INNER_WR(p_hwfn, _p_ptt, drv_mb_addr, \
42 		     offsetof(struct public_drv_mb, _field), _val)
43 
44 #define DRV_MB_RD(_p_hwfn, _p_ptt, _field)	   \
45 	DRV_INNER_RD(_p_hwfn, _p_ptt, drv_mb_addr, \
46 		     offsetof(struct public_drv_mb, _field))
47 
48 #define PDA_COMP (((FW_MAJOR_VERSION) + (FW_MINOR_VERSION << 8)) << \
49 		  DRV_ID_PDA_COMP_VER_SHIFT)
50 
51 #define MCP_BYTES_PER_MBIT_SHIFT 17
52 
qed_mcp_is_init(struct qed_hwfn * p_hwfn)53 bool qed_mcp_is_init(struct qed_hwfn *p_hwfn)
54 {
55 	if (!p_hwfn->mcp_info || !p_hwfn->mcp_info->public_base)
56 		return false;
57 	return true;
58 }
59 
qed_mcp_cmd_port_init(struct qed_hwfn * p_hwfn,struct qed_ptt * p_ptt)60 void qed_mcp_cmd_port_init(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
61 {
62 	u32 addr = SECTION_OFFSIZE_ADDR(p_hwfn->mcp_info->public_base,
63 					PUBLIC_PORT);
64 	u32 mfw_mb_offsize = qed_rd(p_hwfn, p_ptt, addr);
65 
66 	p_hwfn->mcp_info->port_addr = SECTION_ADDR(mfw_mb_offsize,
67 						   MFW_PORT(p_hwfn));
68 	DP_VERBOSE(p_hwfn, QED_MSG_SP,
69 		   "port_addr = 0x%x, port_id 0x%02x\n",
70 		   p_hwfn->mcp_info->port_addr, MFW_PORT(p_hwfn));
71 }
72 
qed_mcp_read_mb(struct qed_hwfn * p_hwfn,struct qed_ptt * p_ptt)73 void qed_mcp_read_mb(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
74 {
75 	u32 length = MFW_DRV_MSG_MAX_DWORDS(p_hwfn->mcp_info->mfw_mb_length);
76 	u32 tmp, i;
77 
78 	if (!p_hwfn->mcp_info->public_base)
79 		return;
80 
81 	for (i = 0; i < length; i++) {
82 		tmp = qed_rd(p_hwfn, p_ptt,
83 			     p_hwfn->mcp_info->mfw_mb_addr +
84 			     (i << 2) + sizeof(u32));
85 
86 		/* The MB data is actually BE; Need to force it to cpu */
87 		((u32 *)p_hwfn->mcp_info->mfw_mb_cur)[i] =
88 			be32_to_cpu((__force __be32)tmp);
89 	}
90 }
91 
92 struct qed_mcp_cmd_elem {
93 	struct list_head list;
94 	struct qed_mcp_mb_params *p_mb_params;
95 	u16 expected_seq_num;
96 	bool b_is_completed;
97 };
98 
99 /* Must be called while cmd_lock is acquired */
100 static struct qed_mcp_cmd_elem *
qed_mcp_cmd_add_elem(struct qed_hwfn * p_hwfn,struct qed_mcp_mb_params * p_mb_params,u16 expected_seq_num)101 qed_mcp_cmd_add_elem(struct qed_hwfn *p_hwfn,
102 		     struct qed_mcp_mb_params *p_mb_params,
103 		     u16 expected_seq_num)
104 {
105 	struct qed_mcp_cmd_elem *p_cmd_elem = NULL;
106 
107 	p_cmd_elem = kzalloc(sizeof(*p_cmd_elem), GFP_ATOMIC);
108 	if (!p_cmd_elem)
109 		goto out;
110 
111 	p_cmd_elem->p_mb_params = p_mb_params;
112 	p_cmd_elem->expected_seq_num = expected_seq_num;
113 	list_add(&p_cmd_elem->list, &p_hwfn->mcp_info->cmd_list);
114 out:
115 	return p_cmd_elem;
116 }
117 
118 /* Must be called while cmd_lock is acquired */
qed_mcp_cmd_del_elem(struct qed_hwfn * p_hwfn,struct qed_mcp_cmd_elem * p_cmd_elem)119 static void qed_mcp_cmd_del_elem(struct qed_hwfn *p_hwfn,
120 				 struct qed_mcp_cmd_elem *p_cmd_elem)
121 {
122 	list_del(&p_cmd_elem->list);
123 	kfree(p_cmd_elem);
124 }
125 
126 /* Must be called while cmd_lock is acquired */
qed_mcp_cmd_get_elem(struct qed_hwfn * p_hwfn,u16 seq_num)127 static struct qed_mcp_cmd_elem *qed_mcp_cmd_get_elem(struct qed_hwfn *p_hwfn,
128 						     u16 seq_num)
129 {
130 	struct qed_mcp_cmd_elem *p_cmd_elem = NULL;
131 
132 	list_for_each_entry(p_cmd_elem, &p_hwfn->mcp_info->cmd_list, list) {
133 		if (p_cmd_elem->expected_seq_num == seq_num)
134 			return p_cmd_elem;
135 	}
136 
137 	return NULL;
138 }
139 
qed_mcp_free(struct qed_hwfn * p_hwfn)140 int qed_mcp_free(struct qed_hwfn *p_hwfn)
141 {
142 	if (p_hwfn->mcp_info) {
143 		struct qed_mcp_cmd_elem *p_cmd_elem = NULL, *p_tmp;
144 
145 		kfree(p_hwfn->mcp_info->mfw_mb_cur);
146 		kfree(p_hwfn->mcp_info->mfw_mb_shadow);
147 
148 		spin_lock_bh(&p_hwfn->mcp_info->cmd_lock);
149 		list_for_each_entry_safe(p_cmd_elem,
150 					 p_tmp,
151 					 &p_hwfn->mcp_info->cmd_list, list) {
152 			qed_mcp_cmd_del_elem(p_hwfn, p_cmd_elem);
153 		}
154 		spin_unlock_bh(&p_hwfn->mcp_info->cmd_lock);
155 	}
156 
157 	kfree(p_hwfn->mcp_info);
158 	p_hwfn->mcp_info = NULL;
159 
160 	return 0;
161 }
162 
163 /* Maximum of 1 sec to wait for the SHMEM ready indication */
164 #define QED_MCP_SHMEM_RDY_MAX_RETRIES	20
165 #define QED_MCP_SHMEM_RDY_ITER_MS	50
166 
qed_load_mcp_offsets(struct qed_hwfn * p_hwfn,struct qed_ptt * p_ptt)167 static int qed_load_mcp_offsets(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
168 {
169 	struct qed_mcp_info *p_info = p_hwfn->mcp_info;
170 	u8 cnt = QED_MCP_SHMEM_RDY_MAX_RETRIES;
171 	u8 msec = QED_MCP_SHMEM_RDY_ITER_MS;
172 	u32 drv_mb_offsize, mfw_mb_offsize;
173 	u32 mcp_pf_id = MCP_PF_ID(p_hwfn);
174 
175 	p_info->public_base = qed_rd(p_hwfn, p_ptt, MISC_REG_SHARED_MEM_ADDR);
176 	if (!p_info->public_base) {
177 		DP_NOTICE(p_hwfn,
178 			  "The address of the MCP scratch-pad is not configured\n");
179 		return -EINVAL;
180 	}
181 
182 	p_info->public_base |= GRCBASE_MCP;
183 
184 	/* Get the MFW MB address and number of supported messages */
185 	mfw_mb_offsize = qed_rd(p_hwfn, p_ptt,
186 				SECTION_OFFSIZE_ADDR(p_info->public_base,
187 						     PUBLIC_MFW_MB));
188 	p_info->mfw_mb_addr = SECTION_ADDR(mfw_mb_offsize, mcp_pf_id);
189 	p_info->mfw_mb_length = (u16)qed_rd(p_hwfn, p_ptt,
190 					    p_info->mfw_mb_addr +
191 					    offsetof(struct public_mfw_mb,
192 						     sup_msgs));
193 
194 	/* The driver can notify that there was an MCP reset, and might read the
195 	 * SHMEM values before the MFW has completed initializing them.
196 	 * To avoid this, the "sup_msgs" field in the MFW mailbox is used as a
197 	 * data ready indication.
198 	 */
199 	while (!p_info->mfw_mb_length && --cnt) {
200 		msleep(msec);
201 		p_info->mfw_mb_length =
202 			(u16)qed_rd(p_hwfn, p_ptt,
203 				    p_info->mfw_mb_addr +
204 				    offsetof(struct public_mfw_mb, sup_msgs));
205 	}
206 
207 	if (!cnt) {
208 		DP_NOTICE(p_hwfn,
209 			  "Failed to get the SHMEM ready notification after %d msec\n",
210 			  QED_MCP_SHMEM_RDY_MAX_RETRIES * msec);
211 		return -EBUSY;
212 	}
213 
214 	/* Calculate the driver and MFW mailbox address */
215 	drv_mb_offsize = qed_rd(p_hwfn, p_ptt,
216 				SECTION_OFFSIZE_ADDR(p_info->public_base,
217 						     PUBLIC_DRV_MB));
218 	p_info->drv_mb_addr = SECTION_ADDR(drv_mb_offsize, mcp_pf_id);
219 	DP_VERBOSE(p_hwfn, QED_MSG_SP,
220 		   "drv_mb_offsiz = 0x%x, drv_mb_addr = 0x%x mcp_pf_id = 0x%x\n",
221 		   drv_mb_offsize, p_info->drv_mb_addr, mcp_pf_id);
222 
223 	/* Get the current driver mailbox sequence before sending
224 	 * the first command
225 	 */
226 	p_info->drv_mb_seq = DRV_MB_RD(p_hwfn, p_ptt, drv_mb_header) &
227 			     DRV_MSG_SEQ_NUMBER_MASK;
228 
229 	/* Get current FW pulse sequence */
230 	p_info->drv_pulse_seq = DRV_MB_RD(p_hwfn, p_ptt, drv_pulse_mb) &
231 				DRV_PULSE_SEQ_MASK;
232 
233 	p_info->mcp_hist = qed_rd(p_hwfn, p_ptt, MISCS_REG_GENERIC_POR_0);
234 
235 	return 0;
236 }
237 
qed_mcp_cmd_init(struct qed_hwfn * p_hwfn,struct qed_ptt * p_ptt)238 int qed_mcp_cmd_init(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
239 {
240 	struct qed_mcp_info *p_info;
241 	u32 size;
242 
243 	/* Allocate mcp_info structure */
244 	p_hwfn->mcp_info = kzalloc(sizeof(*p_hwfn->mcp_info), GFP_KERNEL);
245 	if (!p_hwfn->mcp_info)
246 		goto err;
247 	p_info = p_hwfn->mcp_info;
248 
249 	/* Initialize the MFW spinlock */
250 	spin_lock_init(&p_info->cmd_lock);
251 	spin_lock_init(&p_info->link_lock);
252 	spin_lock_init(&p_info->unload_lock);
253 
254 	INIT_LIST_HEAD(&p_info->cmd_list);
255 
256 	if (qed_load_mcp_offsets(p_hwfn, p_ptt) != 0) {
257 		DP_NOTICE(p_hwfn, "MCP is not initialized\n");
258 		/* Do not free mcp_info here, since public_base indicate that
259 		 * the MCP is not initialized
260 		 */
261 		return 0;
262 	}
263 
264 	size = MFW_DRV_MSG_MAX_DWORDS(p_info->mfw_mb_length) * sizeof(u32);
265 	p_info->mfw_mb_cur = kzalloc(size, GFP_KERNEL);
266 	p_info->mfw_mb_shadow = kzalloc(size, GFP_KERNEL);
267 	if (!p_info->mfw_mb_cur || !p_info->mfw_mb_shadow)
268 		goto err;
269 
270 	return 0;
271 
272 err:
273 	qed_mcp_free(p_hwfn);
274 	return -ENOMEM;
275 }
276 
qed_mcp_reread_offsets(struct qed_hwfn * p_hwfn,struct qed_ptt * p_ptt)277 static void qed_mcp_reread_offsets(struct qed_hwfn *p_hwfn,
278 				   struct qed_ptt *p_ptt)
279 {
280 	u32 generic_por_0 = qed_rd(p_hwfn, p_ptt, MISCS_REG_GENERIC_POR_0);
281 
282 	/* Use MCP history register to check if MCP reset occurred between init
283 	 * time and now.
284 	 */
285 	if (p_hwfn->mcp_info->mcp_hist != generic_por_0) {
286 		DP_VERBOSE(p_hwfn,
287 			   QED_MSG_SP,
288 			   "Rereading MCP offsets [mcp_hist 0x%08x, generic_por_0 0x%08x]\n",
289 			   p_hwfn->mcp_info->mcp_hist, generic_por_0);
290 
291 		qed_load_mcp_offsets(p_hwfn, p_ptt);
292 		qed_mcp_cmd_port_init(p_hwfn, p_ptt);
293 	}
294 }
295 
qed_mcp_reset(struct qed_hwfn * p_hwfn,struct qed_ptt * p_ptt)296 int qed_mcp_reset(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
297 {
298 	u32 org_mcp_reset_seq, seq, delay = QED_MCP_RESP_ITER_US, cnt = 0;
299 	int rc = 0;
300 
301 	if (p_hwfn->mcp_info->b_block_cmd) {
302 		DP_NOTICE(p_hwfn,
303 			  "The MFW is not responsive. Avoid sending MCP_RESET mailbox command.\n");
304 		return -EBUSY;
305 	}
306 
307 	/* Ensure that only a single thread is accessing the mailbox */
308 	spin_lock_bh(&p_hwfn->mcp_info->cmd_lock);
309 
310 	org_mcp_reset_seq = qed_rd(p_hwfn, p_ptt, MISCS_REG_GENERIC_POR_0);
311 
312 	/* Set drv command along with the updated sequence */
313 	qed_mcp_reread_offsets(p_hwfn, p_ptt);
314 	seq = ++p_hwfn->mcp_info->drv_mb_seq;
315 	DRV_MB_WR(p_hwfn, p_ptt, drv_mb_header, (DRV_MSG_CODE_MCP_RESET | seq));
316 
317 	do {
318 		/* Wait for MFW response */
319 		udelay(delay);
320 		/* Give the FW up to 500 second (50*1000*10usec) */
321 	} while ((org_mcp_reset_seq == qed_rd(p_hwfn, p_ptt,
322 					      MISCS_REG_GENERIC_POR_0)) &&
323 		 (cnt++ < QED_MCP_RESET_RETRIES));
324 
325 	if (org_mcp_reset_seq !=
326 	    qed_rd(p_hwfn, p_ptt, MISCS_REG_GENERIC_POR_0)) {
327 		DP_VERBOSE(p_hwfn, QED_MSG_SP,
328 			   "MCP was reset after %d usec\n", cnt * delay);
329 	} else {
330 		DP_ERR(p_hwfn, "Failed to reset MCP\n");
331 		rc = -EAGAIN;
332 	}
333 
334 	spin_unlock_bh(&p_hwfn->mcp_info->cmd_lock);
335 
336 	return rc;
337 }
338 
339 /* Must be called while cmd_lock is acquired */
qed_mcp_has_pending_cmd(struct qed_hwfn * p_hwfn)340 static bool qed_mcp_has_pending_cmd(struct qed_hwfn *p_hwfn)
341 {
342 	struct qed_mcp_cmd_elem *p_cmd_elem;
343 
344 	/* There is at most one pending command at a certain time, and if it
345 	 * exists - it is placed at the HEAD of the list.
346 	 */
347 	if (!list_empty(&p_hwfn->mcp_info->cmd_list)) {
348 		p_cmd_elem = list_first_entry(&p_hwfn->mcp_info->cmd_list,
349 					      struct qed_mcp_cmd_elem, list);
350 		return !p_cmd_elem->b_is_completed;
351 	}
352 
353 	return false;
354 }
355 
356 /* Must be called while cmd_lock is acquired */
357 static int
qed_mcp_update_pending_cmd(struct qed_hwfn * p_hwfn,struct qed_ptt * p_ptt)358 qed_mcp_update_pending_cmd(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
359 {
360 	struct qed_mcp_mb_params *p_mb_params;
361 	struct qed_mcp_cmd_elem *p_cmd_elem;
362 	u32 mcp_resp;
363 	u16 seq_num;
364 
365 	mcp_resp = DRV_MB_RD(p_hwfn, p_ptt, fw_mb_header);
366 	seq_num = (u16)(mcp_resp & FW_MSG_SEQ_NUMBER_MASK);
367 
368 	/* Return if no new non-handled response has been received */
369 	if (seq_num != p_hwfn->mcp_info->drv_mb_seq)
370 		return -EAGAIN;
371 
372 	p_cmd_elem = qed_mcp_cmd_get_elem(p_hwfn, seq_num);
373 	if (!p_cmd_elem) {
374 		DP_ERR(p_hwfn,
375 		       "Failed to find a pending mailbox cmd that expects sequence number %d\n",
376 		       seq_num);
377 		return -EINVAL;
378 	}
379 
380 	p_mb_params = p_cmd_elem->p_mb_params;
381 
382 	/* Get the MFW response along with the sequence number */
383 	p_mb_params->mcp_resp = mcp_resp;
384 
385 	/* Get the MFW param */
386 	p_mb_params->mcp_param = DRV_MB_RD(p_hwfn, p_ptt, fw_mb_param);
387 
388 	/* Get the union data */
389 	if (p_mb_params->p_data_dst && p_mb_params->data_dst_size) {
390 		u32 union_data_addr = p_hwfn->mcp_info->drv_mb_addr +
391 				      offsetof(struct public_drv_mb,
392 					       union_data);
393 		qed_memcpy_from(p_hwfn, p_ptt, p_mb_params->p_data_dst,
394 				union_data_addr, p_mb_params->data_dst_size);
395 	}
396 
397 	p_cmd_elem->b_is_completed = true;
398 
399 	return 0;
400 }
401 
402 /* Must be called while cmd_lock is acquired */
__qed_mcp_cmd_and_union(struct qed_hwfn * p_hwfn,struct qed_ptt * p_ptt,struct qed_mcp_mb_params * p_mb_params,u16 seq_num)403 static void __qed_mcp_cmd_and_union(struct qed_hwfn *p_hwfn,
404 				    struct qed_ptt *p_ptt,
405 				    struct qed_mcp_mb_params *p_mb_params,
406 				    u16 seq_num)
407 {
408 	union drv_union_data union_data;
409 	u32 union_data_addr;
410 
411 	/* Set the union data */
412 	union_data_addr = p_hwfn->mcp_info->drv_mb_addr +
413 			  offsetof(struct public_drv_mb, union_data);
414 	memset(&union_data, 0, sizeof(union_data));
415 	if (p_mb_params->p_data_src && p_mb_params->data_src_size)
416 		memcpy(&union_data, p_mb_params->p_data_src,
417 		       p_mb_params->data_src_size);
418 	qed_memcpy_to(p_hwfn, p_ptt, union_data_addr, &union_data,
419 		      sizeof(union_data));
420 
421 	/* Set the drv param */
422 	DRV_MB_WR(p_hwfn, p_ptt, drv_mb_param, p_mb_params->param);
423 
424 	/* Set the drv command along with the sequence number */
425 	DRV_MB_WR(p_hwfn, p_ptt, drv_mb_header, (p_mb_params->cmd | seq_num));
426 
427 	DP_VERBOSE(p_hwfn, QED_MSG_SP,
428 		   "MFW mailbox: command 0x%08x param 0x%08x\n",
429 		   (p_mb_params->cmd | seq_num), p_mb_params->param);
430 }
431 
qed_mcp_cmd_set_blocking(struct qed_hwfn * p_hwfn,bool block_cmd)432 static void qed_mcp_cmd_set_blocking(struct qed_hwfn *p_hwfn, bool block_cmd)
433 {
434 	p_hwfn->mcp_info->b_block_cmd = block_cmd;
435 
436 	DP_INFO(p_hwfn, "%s sending of mailbox commands to the MFW\n",
437 		block_cmd ? "Block" : "Unblock");
438 }
439 
qed_mcp_print_cpu_info(struct qed_hwfn * p_hwfn,struct qed_ptt * p_ptt)440 static void qed_mcp_print_cpu_info(struct qed_hwfn *p_hwfn,
441 				   struct qed_ptt *p_ptt)
442 {
443 	u32 cpu_mode, cpu_state, cpu_pc_0, cpu_pc_1, cpu_pc_2;
444 	u32 delay = QED_MCP_RESP_ITER_US;
445 
446 	cpu_mode = qed_rd(p_hwfn, p_ptt, MCP_REG_CPU_MODE);
447 	cpu_state = qed_rd(p_hwfn, p_ptt, MCP_REG_CPU_STATE);
448 	cpu_pc_0 = qed_rd(p_hwfn, p_ptt, MCP_REG_CPU_PROGRAM_COUNTER);
449 	udelay(delay);
450 	cpu_pc_1 = qed_rd(p_hwfn, p_ptt, MCP_REG_CPU_PROGRAM_COUNTER);
451 	udelay(delay);
452 	cpu_pc_2 = qed_rd(p_hwfn, p_ptt, MCP_REG_CPU_PROGRAM_COUNTER);
453 
454 	DP_NOTICE(p_hwfn,
455 		  "MCP CPU info: mode 0x%08x, state 0x%08x, pc {0x%08x, 0x%08x, 0x%08x}\n",
456 		  cpu_mode, cpu_state, cpu_pc_0, cpu_pc_1, cpu_pc_2);
457 }
458 
459 static int
_qed_mcp_cmd_and_union(struct qed_hwfn * p_hwfn,struct qed_ptt * p_ptt,struct qed_mcp_mb_params * p_mb_params,u32 max_retries,u32 usecs)460 _qed_mcp_cmd_and_union(struct qed_hwfn *p_hwfn,
461 		       struct qed_ptt *p_ptt,
462 		       struct qed_mcp_mb_params *p_mb_params,
463 		       u32 max_retries, u32 usecs)
464 {
465 	u32 cnt = 0, msecs = DIV_ROUND_UP(usecs, 1000);
466 	struct qed_mcp_cmd_elem *p_cmd_elem;
467 	u16 seq_num;
468 	int rc = 0;
469 
470 	/* Wait until the mailbox is non-occupied */
471 	do {
472 		/* Exit the loop if there is no pending command, or if the
473 		 * pending command is completed during this iteration.
474 		 * The spinlock stays locked until the command is sent.
475 		 */
476 
477 		spin_lock_bh(&p_hwfn->mcp_info->cmd_lock);
478 
479 		if (!qed_mcp_has_pending_cmd(p_hwfn))
480 			break;
481 
482 		rc = qed_mcp_update_pending_cmd(p_hwfn, p_ptt);
483 		if (!rc)
484 			break;
485 		else if (rc != -EAGAIN)
486 			goto err;
487 
488 		spin_unlock_bh(&p_hwfn->mcp_info->cmd_lock);
489 
490 		if (QED_MB_FLAGS_IS_SET(p_mb_params, CAN_SLEEP))
491 			msleep(msecs);
492 		else
493 			udelay(usecs);
494 	} while (++cnt < max_retries);
495 
496 	if (cnt >= max_retries) {
497 		DP_NOTICE(p_hwfn,
498 			  "The MFW mailbox is occupied by an uncompleted command. Failed to send command 0x%08x [param 0x%08x].\n",
499 			  p_mb_params->cmd, p_mb_params->param);
500 		return -EAGAIN;
501 	}
502 
503 	/* Send the mailbox command */
504 	qed_mcp_reread_offsets(p_hwfn, p_ptt);
505 	seq_num = ++p_hwfn->mcp_info->drv_mb_seq;
506 	p_cmd_elem = qed_mcp_cmd_add_elem(p_hwfn, p_mb_params, seq_num);
507 	if (!p_cmd_elem) {
508 		rc = -ENOMEM;
509 		goto err;
510 	}
511 
512 	__qed_mcp_cmd_and_union(p_hwfn, p_ptt, p_mb_params, seq_num);
513 	spin_unlock_bh(&p_hwfn->mcp_info->cmd_lock);
514 
515 	/* Wait for the MFW response */
516 	do {
517 		/* Exit the loop if the command is already completed, or if the
518 		 * command is completed during this iteration.
519 		 * The spinlock stays locked until the list element is removed.
520 		 */
521 
522 		if (QED_MB_FLAGS_IS_SET(p_mb_params, CAN_SLEEP))
523 			msleep(msecs);
524 		else
525 			udelay(usecs);
526 
527 		spin_lock_bh(&p_hwfn->mcp_info->cmd_lock);
528 
529 		if (p_cmd_elem->b_is_completed)
530 			break;
531 
532 		rc = qed_mcp_update_pending_cmd(p_hwfn, p_ptt);
533 		if (!rc)
534 			break;
535 		else if (rc != -EAGAIN)
536 			goto err;
537 
538 		spin_unlock_bh(&p_hwfn->mcp_info->cmd_lock);
539 	} while (++cnt < max_retries);
540 
541 	if (cnt >= max_retries) {
542 		DP_NOTICE(p_hwfn,
543 			  "The MFW failed to respond to command 0x%08x [param 0x%08x].\n",
544 			  p_mb_params->cmd, p_mb_params->param);
545 		qed_mcp_print_cpu_info(p_hwfn, p_ptt);
546 
547 		spin_lock_bh(&p_hwfn->mcp_info->cmd_lock);
548 		qed_mcp_cmd_del_elem(p_hwfn, p_cmd_elem);
549 		spin_unlock_bh(&p_hwfn->mcp_info->cmd_lock);
550 
551 		if (!QED_MB_FLAGS_IS_SET(p_mb_params, AVOID_BLOCK))
552 			qed_mcp_cmd_set_blocking(p_hwfn, true);
553 
554 		qed_hw_err_notify(p_hwfn, p_ptt,
555 				  QED_HW_ERR_MFW_RESP_FAIL, NULL);
556 		return -EAGAIN;
557 	}
558 
559 	qed_mcp_cmd_del_elem(p_hwfn, p_cmd_elem);
560 	spin_unlock_bh(&p_hwfn->mcp_info->cmd_lock);
561 
562 	DP_VERBOSE(p_hwfn,
563 		   QED_MSG_SP,
564 		   "MFW mailbox: response 0x%08x param 0x%08x [after %d.%03d ms]\n",
565 		   p_mb_params->mcp_resp,
566 		   p_mb_params->mcp_param,
567 		   (cnt * usecs) / 1000, (cnt * usecs) % 1000);
568 
569 	/* Clear the sequence number from the MFW response */
570 	p_mb_params->mcp_resp &= FW_MSG_CODE_MASK;
571 
572 	return 0;
573 
574 err:
575 	spin_unlock_bh(&p_hwfn->mcp_info->cmd_lock);
576 	return rc;
577 }
578 
qed_mcp_cmd_and_union(struct qed_hwfn * p_hwfn,struct qed_ptt * p_ptt,struct qed_mcp_mb_params * p_mb_params)579 static int qed_mcp_cmd_and_union(struct qed_hwfn *p_hwfn,
580 				 struct qed_ptt *p_ptt,
581 				 struct qed_mcp_mb_params *p_mb_params)
582 {
583 	size_t union_data_size = sizeof(union drv_union_data);
584 	u32 max_retries = QED_DRV_MB_MAX_RETRIES;
585 	u32 usecs = QED_MCP_RESP_ITER_US;
586 
587 	/* MCP not initialized */
588 	if (!qed_mcp_is_init(p_hwfn)) {
589 		DP_NOTICE(p_hwfn, "MFW is not initialized!\n");
590 		return -EBUSY;
591 	}
592 
593 	if (p_hwfn->mcp_info->b_block_cmd) {
594 		DP_NOTICE(p_hwfn,
595 			  "The MFW is not responsive. Avoid sending mailbox command 0x%08x [param 0x%08x].\n",
596 			  p_mb_params->cmd, p_mb_params->param);
597 		return -EBUSY;
598 	}
599 
600 	if (p_mb_params->data_src_size > union_data_size ||
601 	    p_mb_params->data_dst_size > union_data_size) {
602 		DP_ERR(p_hwfn,
603 		       "The provided size is larger than the union data size [src_size %u, dst_size %u, union_data_size %zu]\n",
604 		       p_mb_params->data_src_size,
605 		       p_mb_params->data_dst_size, union_data_size);
606 		return -EINVAL;
607 	}
608 
609 	if (QED_MB_FLAGS_IS_SET(p_mb_params, CAN_SLEEP)) {
610 		max_retries = DIV_ROUND_UP(max_retries, 1000);
611 		usecs *= 1000;
612 	}
613 
614 	return _qed_mcp_cmd_and_union(p_hwfn, p_ptt, p_mb_params, max_retries,
615 				      usecs);
616 }
617 
_qed_mcp_cmd(struct qed_hwfn * p_hwfn,struct qed_ptt * p_ptt,u32 cmd,u32 param,u32 * o_mcp_resp,u32 * o_mcp_param,bool can_sleep)618 static int _qed_mcp_cmd(struct qed_hwfn *p_hwfn,
619 			struct qed_ptt *p_ptt,
620 			u32 cmd,
621 			u32 param,
622 			u32 *o_mcp_resp,
623 			u32 *o_mcp_param,
624 			bool can_sleep)
625 {
626 	struct qed_mcp_mb_params mb_params;
627 	int rc;
628 
629 	memset(&mb_params, 0, sizeof(mb_params));
630 	mb_params.cmd = cmd;
631 	mb_params.param = param;
632 	mb_params.flags = can_sleep ? QED_MB_FLAG_CAN_SLEEP : 0;
633 
634 	rc = qed_mcp_cmd_and_union(p_hwfn, p_ptt, &mb_params);
635 	if (rc)
636 		return rc;
637 
638 	*o_mcp_resp = mb_params.mcp_resp;
639 	*o_mcp_param = mb_params.mcp_param;
640 
641 	return 0;
642 }
643 
qed_mcp_cmd(struct qed_hwfn * p_hwfn,struct qed_ptt * p_ptt,u32 cmd,u32 param,u32 * o_mcp_resp,u32 * o_mcp_param)644 int qed_mcp_cmd(struct qed_hwfn *p_hwfn,
645 		struct qed_ptt *p_ptt,
646 		u32 cmd,
647 		u32 param,
648 		u32 *o_mcp_resp,
649 		u32 *o_mcp_param)
650 {
651 	return (_qed_mcp_cmd(p_hwfn, p_ptt, cmd, param,
652 			     o_mcp_resp, o_mcp_param, true));
653 }
654 
qed_mcp_cmd_nosleep(struct qed_hwfn * p_hwfn,struct qed_ptt * p_ptt,u32 cmd,u32 param,u32 * o_mcp_resp,u32 * o_mcp_param)655 int qed_mcp_cmd_nosleep(struct qed_hwfn *p_hwfn,
656 			struct qed_ptt *p_ptt,
657 			u32 cmd,
658 			u32 param,
659 			u32 *o_mcp_resp,
660 			u32 *o_mcp_param)
661 {
662 	return (_qed_mcp_cmd(p_hwfn, p_ptt, cmd, param,
663 			     o_mcp_resp, o_mcp_param, false));
664 }
665 
666 static int
qed_mcp_nvm_wr_cmd(struct qed_hwfn * p_hwfn,struct qed_ptt * p_ptt,u32 cmd,u32 param,u32 * o_mcp_resp,u32 * o_mcp_param,u32 i_txn_size,u32 * i_buf)667 qed_mcp_nvm_wr_cmd(struct qed_hwfn *p_hwfn,
668 		   struct qed_ptt *p_ptt,
669 		   u32 cmd,
670 		   u32 param,
671 		   u32 *o_mcp_resp,
672 		   u32 *o_mcp_param, u32 i_txn_size, u32 *i_buf)
673 {
674 	struct qed_mcp_mb_params mb_params;
675 	int rc;
676 
677 	memset(&mb_params, 0, sizeof(mb_params));
678 	mb_params.cmd = cmd;
679 	mb_params.param = param;
680 	mb_params.p_data_src = i_buf;
681 	mb_params.data_src_size = (u8)i_txn_size;
682 	rc = qed_mcp_cmd_and_union(p_hwfn, p_ptt, &mb_params);
683 	if (rc)
684 		return rc;
685 
686 	*o_mcp_resp = mb_params.mcp_resp;
687 	*o_mcp_param = mb_params.mcp_param;
688 
689 	/* nvm_info needs to be updated */
690 	p_hwfn->nvm_info.valid = false;
691 
692 	return 0;
693 }
694 
qed_mcp_nvm_rd_cmd(struct qed_hwfn * p_hwfn,struct qed_ptt * p_ptt,u32 cmd,u32 param,u32 * o_mcp_resp,u32 * o_mcp_param,u32 * o_txn_size,u32 * o_buf,bool b_can_sleep)695 int qed_mcp_nvm_rd_cmd(struct qed_hwfn *p_hwfn,
696 		       struct qed_ptt *p_ptt,
697 		       u32 cmd,
698 		       u32 param,
699 		       u32 *o_mcp_resp,
700 		       u32 *o_mcp_param,
701 		       u32 *o_txn_size, u32 *o_buf, bool b_can_sleep)
702 {
703 	struct qed_mcp_mb_params mb_params;
704 	u8 raw_data[MCP_DRV_NVM_BUF_LEN];
705 	int rc;
706 
707 	memset(&mb_params, 0, sizeof(mb_params));
708 	mb_params.cmd = cmd;
709 	mb_params.param = param;
710 	mb_params.p_data_dst = raw_data;
711 
712 	/* Use the maximal value since the actual one is part of the response */
713 	mb_params.data_dst_size = MCP_DRV_NVM_BUF_LEN;
714 	if (b_can_sleep)
715 		mb_params.flags = QED_MB_FLAG_CAN_SLEEP;
716 
717 	rc = qed_mcp_cmd_and_union(p_hwfn, p_ptt, &mb_params);
718 	if (rc)
719 		return rc;
720 
721 	*o_mcp_resp = mb_params.mcp_resp;
722 	*o_mcp_param = mb_params.mcp_param;
723 
724 	*o_txn_size = *o_mcp_param;
725 	memcpy(o_buf, raw_data, *o_txn_size);
726 
727 	return 0;
728 }
729 
730 static bool
qed_mcp_can_force_load(u8 drv_role,u8 exist_drv_role,enum qed_override_force_load override_force_load)731 qed_mcp_can_force_load(u8 drv_role,
732 		       u8 exist_drv_role,
733 		       enum qed_override_force_load override_force_load)
734 {
735 	bool can_force_load = false;
736 
737 	switch (override_force_load) {
738 	case QED_OVERRIDE_FORCE_LOAD_ALWAYS:
739 		can_force_load = true;
740 		break;
741 	case QED_OVERRIDE_FORCE_LOAD_NEVER:
742 		can_force_load = false;
743 		break;
744 	default:
745 		can_force_load = (drv_role == DRV_ROLE_OS &&
746 				  exist_drv_role == DRV_ROLE_PREBOOT) ||
747 				 (drv_role == DRV_ROLE_KDUMP &&
748 				  exist_drv_role == DRV_ROLE_OS);
749 		break;
750 	}
751 
752 	return can_force_load;
753 }
754 
qed_mcp_cancel_load_req(struct qed_hwfn * p_hwfn,struct qed_ptt * p_ptt)755 static int qed_mcp_cancel_load_req(struct qed_hwfn *p_hwfn,
756 				   struct qed_ptt *p_ptt)
757 {
758 	u32 resp = 0, param = 0;
759 	int rc;
760 
761 	rc = qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_CANCEL_LOAD_REQ, 0,
762 			 &resp, &param);
763 	if (rc)
764 		DP_NOTICE(p_hwfn,
765 			  "Failed to send cancel load request, rc = %d\n", rc);
766 
767 	return rc;
768 }
769 
770 #define BITMAP_IDX_FOR_CONFIG_QEDE	BIT(0)
771 #define BITMAP_IDX_FOR_CONFIG_QED_SRIOV	BIT(1)
772 #define BITMAP_IDX_FOR_CONFIG_QEDR	BIT(2)
773 #define BITMAP_IDX_FOR_CONFIG_QEDF	BIT(4)
774 #define BITMAP_IDX_FOR_CONFIG_QEDI	BIT(5)
775 #define BITMAP_IDX_FOR_CONFIG_QED_LL2	BIT(6)
776 
qed_get_config_bitmap(void)777 static u32 qed_get_config_bitmap(void)
778 {
779 	u32 config_bitmap = 0x0;
780 
781 	if (IS_ENABLED(CONFIG_QEDE))
782 		config_bitmap |= BITMAP_IDX_FOR_CONFIG_QEDE;
783 
784 	if (IS_ENABLED(CONFIG_QED_SRIOV))
785 		config_bitmap |= BITMAP_IDX_FOR_CONFIG_QED_SRIOV;
786 
787 	if (IS_ENABLED(CONFIG_QED_RDMA))
788 		config_bitmap |= BITMAP_IDX_FOR_CONFIG_QEDR;
789 
790 	if (IS_ENABLED(CONFIG_QED_FCOE))
791 		config_bitmap |= BITMAP_IDX_FOR_CONFIG_QEDF;
792 
793 	if (IS_ENABLED(CONFIG_QED_ISCSI))
794 		config_bitmap |= BITMAP_IDX_FOR_CONFIG_QEDI;
795 
796 	if (IS_ENABLED(CONFIG_QED_LL2))
797 		config_bitmap |= BITMAP_IDX_FOR_CONFIG_QED_LL2;
798 
799 	return config_bitmap;
800 }
801 
802 struct qed_load_req_in_params {
803 	u8 hsi_ver;
804 #define QED_LOAD_REQ_HSI_VER_DEFAULT	0
805 #define QED_LOAD_REQ_HSI_VER_1		1
806 	u32 drv_ver_0;
807 	u32 drv_ver_1;
808 	u32 fw_ver;
809 	u8 drv_role;
810 	u8 timeout_val;
811 	u8 force_cmd;
812 	bool avoid_eng_reset;
813 };
814 
815 struct qed_load_req_out_params {
816 	u32 load_code;
817 	u32 exist_drv_ver_0;
818 	u32 exist_drv_ver_1;
819 	u32 exist_fw_ver;
820 	u8 exist_drv_role;
821 	u8 mfw_hsi_ver;
822 	bool drv_exists;
823 };
824 
825 static int
__qed_mcp_load_req(struct qed_hwfn * p_hwfn,struct qed_ptt * p_ptt,struct qed_load_req_in_params * p_in_params,struct qed_load_req_out_params * p_out_params)826 __qed_mcp_load_req(struct qed_hwfn *p_hwfn,
827 		   struct qed_ptt *p_ptt,
828 		   struct qed_load_req_in_params *p_in_params,
829 		   struct qed_load_req_out_params *p_out_params)
830 {
831 	struct qed_mcp_mb_params mb_params;
832 	struct load_req_stc load_req;
833 	struct load_rsp_stc load_rsp;
834 	u32 hsi_ver;
835 	int rc;
836 
837 	memset(&load_req, 0, sizeof(load_req));
838 	load_req.drv_ver_0 = p_in_params->drv_ver_0;
839 	load_req.drv_ver_1 = p_in_params->drv_ver_1;
840 	load_req.fw_ver = p_in_params->fw_ver;
841 	QED_MFW_SET_FIELD(load_req.misc0, LOAD_REQ_ROLE, p_in_params->drv_role);
842 	QED_MFW_SET_FIELD(load_req.misc0, LOAD_REQ_LOCK_TO,
843 			  p_in_params->timeout_val);
844 	QED_MFW_SET_FIELD(load_req.misc0, LOAD_REQ_FORCE,
845 			  p_in_params->force_cmd);
846 	QED_MFW_SET_FIELD(load_req.misc0, LOAD_REQ_FLAGS0,
847 			  p_in_params->avoid_eng_reset);
848 
849 	hsi_ver = (p_in_params->hsi_ver == QED_LOAD_REQ_HSI_VER_DEFAULT) ?
850 		  DRV_ID_MCP_HSI_VER_CURRENT :
851 		  (p_in_params->hsi_ver << DRV_ID_MCP_HSI_VER_SHIFT);
852 
853 	memset(&mb_params, 0, sizeof(mb_params));
854 	mb_params.cmd = DRV_MSG_CODE_LOAD_REQ;
855 	mb_params.param = PDA_COMP | hsi_ver | p_hwfn->cdev->drv_type;
856 	mb_params.p_data_src = &load_req;
857 	mb_params.data_src_size = sizeof(load_req);
858 	mb_params.p_data_dst = &load_rsp;
859 	mb_params.data_dst_size = sizeof(load_rsp);
860 	mb_params.flags = QED_MB_FLAG_CAN_SLEEP | QED_MB_FLAG_AVOID_BLOCK;
861 
862 	DP_VERBOSE(p_hwfn, QED_MSG_SP,
863 		   "Load Request: param 0x%08x [init_hw %d, drv_type %d, hsi_ver %d, pda 0x%04x]\n",
864 		   mb_params.param,
865 		   QED_MFW_GET_FIELD(mb_params.param, DRV_ID_DRV_INIT_HW),
866 		   QED_MFW_GET_FIELD(mb_params.param, DRV_ID_DRV_TYPE),
867 		   QED_MFW_GET_FIELD(mb_params.param, DRV_ID_MCP_HSI_VER),
868 		   QED_MFW_GET_FIELD(mb_params.param, DRV_ID_PDA_COMP_VER));
869 
870 	if (p_in_params->hsi_ver != QED_LOAD_REQ_HSI_VER_1) {
871 		DP_VERBOSE(p_hwfn, QED_MSG_SP,
872 			   "Load Request: drv_ver 0x%08x_0x%08x, fw_ver 0x%08x, misc0 0x%08x [role %d, timeout %d, force %d, flags0 0x%x]\n",
873 			   load_req.drv_ver_0,
874 			   load_req.drv_ver_1,
875 			   load_req.fw_ver,
876 			   load_req.misc0,
877 			   QED_MFW_GET_FIELD(load_req.misc0, LOAD_REQ_ROLE),
878 			   QED_MFW_GET_FIELD(load_req.misc0,
879 					     LOAD_REQ_LOCK_TO),
880 			   QED_MFW_GET_FIELD(load_req.misc0, LOAD_REQ_FORCE),
881 			   QED_MFW_GET_FIELD(load_req.misc0, LOAD_REQ_FLAGS0));
882 	}
883 
884 	rc = qed_mcp_cmd_and_union(p_hwfn, p_ptt, &mb_params);
885 	if (rc) {
886 		DP_NOTICE(p_hwfn, "Failed to send load request, rc = %d\n", rc);
887 		return rc;
888 	}
889 
890 	DP_VERBOSE(p_hwfn, QED_MSG_SP,
891 		   "Load Response: resp 0x%08x\n", mb_params.mcp_resp);
892 	p_out_params->load_code = mb_params.mcp_resp;
893 
894 	if (p_in_params->hsi_ver != QED_LOAD_REQ_HSI_VER_1 &&
895 	    p_out_params->load_code != FW_MSG_CODE_DRV_LOAD_REFUSED_HSI_1) {
896 		DP_VERBOSE(p_hwfn,
897 			   QED_MSG_SP,
898 			   "Load Response: exist_drv_ver 0x%08x_0x%08x, exist_fw_ver 0x%08x, misc0 0x%08x [exist_role %d, mfw_hsi %d, flags0 0x%x]\n",
899 			   load_rsp.drv_ver_0,
900 			   load_rsp.drv_ver_1,
901 			   load_rsp.fw_ver,
902 			   load_rsp.misc0,
903 			   QED_MFW_GET_FIELD(load_rsp.misc0, LOAD_RSP_ROLE),
904 			   QED_MFW_GET_FIELD(load_rsp.misc0, LOAD_RSP_HSI),
905 			   QED_MFW_GET_FIELD(load_rsp.misc0, LOAD_RSP_FLAGS0));
906 
907 		p_out_params->exist_drv_ver_0 = load_rsp.drv_ver_0;
908 		p_out_params->exist_drv_ver_1 = load_rsp.drv_ver_1;
909 		p_out_params->exist_fw_ver = load_rsp.fw_ver;
910 		p_out_params->exist_drv_role =
911 		    QED_MFW_GET_FIELD(load_rsp.misc0, LOAD_RSP_ROLE);
912 		p_out_params->mfw_hsi_ver =
913 		    QED_MFW_GET_FIELD(load_rsp.misc0, LOAD_RSP_HSI);
914 		p_out_params->drv_exists =
915 		    QED_MFW_GET_FIELD(load_rsp.misc0, LOAD_RSP_FLAGS0) &
916 		    LOAD_RSP_FLAGS0_DRV_EXISTS;
917 	}
918 
919 	return 0;
920 }
921 
eocre_get_mfw_drv_role(struct qed_hwfn * p_hwfn,enum qed_drv_role drv_role,u8 * p_mfw_drv_role)922 static int eocre_get_mfw_drv_role(struct qed_hwfn *p_hwfn,
923 				  enum qed_drv_role drv_role,
924 				  u8 *p_mfw_drv_role)
925 {
926 	switch (drv_role) {
927 	case QED_DRV_ROLE_OS:
928 		*p_mfw_drv_role = DRV_ROLE_OS;
929 		break;
930 	case QED_DRV_ROLE_KDUMP:
931 		*p_mfw_drv_role = DRV_ROLE_KDUMP;
932 		break;
933 	default:
934 		DP_ERR(p_hwfn, "Unexpected driver role %d\n", drv_role);
935 		return -EINVAL;
936 	}
937 
938 	return 0;
939 }
940 
941 enum qed_load_req_force {
942 	QED_LOAD_REQ_FORCE_NONE,
943 	QED_LOAD_REQ_FORCE_PF,
944 	QED_LOAD_REQ_FORCE_ALL,
945 };
946 
qed_get_mfw_force_cmd(struct qed_hwfn * p_hwfn,enum qed_load_req_force force_cmd,u8 * p_mfw_force_cmd)947 static void qed_get_mfw_force_cmd(struct qed_hwfn *p_hwfn,
948 				  enum qed_load_req_force force_cmd,
949 				  u8 *p_mfw_force_cmd)
950 {
951 	switch (force_cmd) {
952 	case QED_LOAD_REQ_FORCE_NONE:
953 		*p_mfw_force_cmd = LOAD_REQ_FORCE_NONE;
954 		break;
955 	case QED_LOAD_REQ_FORCE_PF:
956 		*p_mfw_force_cmd = LOAD_REQ_FORCE_PF;
957 		break;
958 	case QED_LOAD_REQ_FORCE_ALL:
959 		*p_mfw_force_cmd = LOAD_REQ_FORCE_ALL;
960 		break;
961 	}
962 }
963 
qed_mcp_load_req(struct qed_hwfn * p_hwfn,struct qed_ptt * p_ptt,struct qed_load_req_params * p_params)964 int qed_mcp_load_req(struct qed_hwfn *p_hwfn,
965 		     struct qed_ptt *p_ptt,
966 		     struct qed_load_req_params *p_params)
967 {
968 	struct qed_load_req_out_params out_params;
969 	struct qed_load_req_in_params in_params;
970 	u8 mfw_drv_role, mfw_force_cmd;
971 	int rc;
972 
973 	memset(&in_params, 0, sizeof(in_params));
974 	in_params.hsi_ver = QED_LOAD_REQ_HSI_VER_DEFAULT;
975 	in_params.drv_ver_1 = qed_get_config_bitmap();
976 	in_params.fw_ver = STORM_FW_VERSION;
977 	rc = eocre_get_mfw_drv_role(p_hwfn, p_params->drv_role, &mfw_drv_role);
978 	if (rc)
979 		return rc;
980 
981 	in_params.drv_role = mfw_drv_role;
982 	in_params.timeout_val = p_params->timeout_val;
983 	qed_get_mfw_force_cmd(p_hwfn,
984 			      QED_LOAD_REQ_FORCE_NONE, &mfw_force_cmd);
985 
986 	in_params.force_cmd = mfw_force_cmd;
987 	in_params.avoid_eng_reset = p_params->avoid_eng_reset;
988 
989 	memset(&out_params, 0, sizeof(out_params));
990 	rc = __qed_mcp_load_req(p_hwfn, p_ptt, &in_params, &out_params);
991 	if (rc)
992 		return rc;
993 
994 	/* First handle cases where another load request should/might be sent:
995 	 * - MFW expects the old interface [HSI version = 1]
996 	 * - MFW responds that a force load request is required
997 	 */
998 	if (out_params.load_code == FW_MSG_CODE_DRV_LOAD_REFUSED_HSI_1) {
999 		DP_INFO(p_hwfn,
1000 			"MFW refused a load request due to HSI > 1. Resending with HSI = 1\n");
1001 
1002 		in_params.hsi_ver = QED_LOAD_REQ_HSI_VER_1;
1003 		memset(&out_params, 0, sizeof(out_params));
1004 		rc = __qed_mcp_load_req(p_hwfn, p_ptt, &in_params, &out_params);
1005 		if (rc)
1006 			return rc;
1007 	} else if (out_params.load_code ==
1008 		   FW_MSG_CODE_DRV_LOAD_REFUSED_REQUIRES_FORCE) {
1009 		if (qed_mcp_can_force_load(in_params.drv_role,
1010 					   out_params.exist_drv_role,
1011 					   p_params->override_force_load)) {
1012 			DP_INFO(p_hwfn,
1013 				"A force load is required [{role, fw_ver, drv_ver}: loading={%d, 0x%08x, x%08x_0x%08x}, existing={%d, 0x%08x, 0x%08x_0x%08x}]\n",
1014 				in_params.drv_role, in_params.fw_ver,
1015 				in_params.drv_ver_0, in_params.drv_ver_1,
1016 				out_params.exist_drv_role,
1017 				out_params.exist_fw_ver,
1018 				out_params.exist_drv_ver_0,
1019 				out_params.exist_drv_ver_1);
1020 
1021 			qed_get_mfw_force_cmd(p_hwfn,
1022 					      QED_LOAD_REQ_FORCE_ALL,
1023 					      &mfw_force_cmd);
1024 
1025 			in_params.force_cmd = mfw_force_cmd;
1026 			memset(&out_params, 0, sizeof(out_params));
1027 			rc = __qed_mcp_load_req(p_hwfn, p_ptt, &in_params,
1028 						&out_params);
1029 			if (rc)
1030 				return rc;
1031 		} else {
1032 			DP_NOTICE(p_hwfn,
1033 				  "A force load is required [{role, fw_ver, drv_ver}: loading={%d, 0x%08x, x%08x_0x%08x}, existing={%d, 0x%08x, 0x%08x_0x%08x}] - Avoid\n",
1034 				  in_params.drv_role, in_params.fw_ver,
1035 				  in_params.drv_ver_0, in_params.drv_ver_1,
1036 				  out_params.exist_drv_role,
1037 				  out_params.exist_fw_ver,
1038 				  out_params.exist_drv_ver_0,
1039 				  out_params.exist_drv_ver_1);
1040 			DP_NOTICE(p_hwfn,
1041 				  "Avoid sending a force load request to prevent disruption of active PFs\n");
1042 
1043 			qed_mcp_cancel_load_req(p_hwfn, p_ptt);
1044 			return -EBUSY;
1045 		}
1046 	}
1047 
1048 	/* Now handle the other types of responses.
1049 	 * The "REFUSED_HSI_1" and "REFUSED_REQUIRES_FORCE" responses are not
1050 	 * expected here after the additional revised load requests were sent.
1051 	 */
1052 	switch (out_params.load_code) {
1053 	case FW_MSG_CODE_DRV_LOAD_ENGINE:
1054 	case FW_MSG_CODE_DRV_LOAD_PORT:
1055 	case FW_MSG_CODE_DRV_LOAD_FUNCTION:
1056 		if (out_params.mfw_hsi_ver != QED_LOAD_REQ_HSI_VER_1 &&
1057 		    out_params.drv_exists) {
1058 			/* The role and fw/driver version match, but the PF is
1059 			 * already loaded and has not been unloaded gracefully.
1060 			 */
1061 			DP_NOTICE(p_hwfn,
1062 				  "PF is already loaded\n");
1063 			return -EINVAL;
1064 		}
1065 		break;
1066 	default:
1067 		DP_NOTICE(p_hwfn,
1068 			  "Unexpected refusal to load request [resp 0x%08x]. Aborting.\n",
1069 			  out_params.load_code);
1070 		return -EBUSY;
1071 	}
1072 
1073 	p_params->load_code = out_params.load_code;
1074 
1075 	return 0;
1076 }
1077 
qed_mcp_load_done(struct qed_hwfn * p_hwfn,struct qed_ptt * p_ptt)1078 int qed_mcp_load_done(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
1079 {
1080 	u32 resp = 0, param = 0;
1081 	int rc;
1082 
1083 	rc = qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_LOAD_DONE, 0, &resp,
1084 			 &param);
1085 	if (rc) {
1086 		DP_NOTICE(p_hwfn,
1087 			  "Failed to send a LOAD_DONE command, rc = %d\n", rc);
1088 		return rc;
1089 	}
1090 
1091 	/* Check if there is a DID mismatch between nvm-cfg/efuse */
1092 	if (param & FW_MB_PARAM_LOAD_DONE_DID_EFUSE_ERROR)
1093 		DP_NOTICE(p_hwfn,
1094 			  "warning: device configuration is not supported on this board type. The device may not function as expected.\n");
1095 
1096 	return 0;
1097 }
1098 
1099 #define MFW_COMPLETION_MAX_ITER 5000
1100 #define MFW_COMPLETION_INTERVAL_MS 1
1101 
qed_mcp_unload_req(struct qed_hwfn * p_hwfn,struct qed_ptt * p_ptt)1102 int qed_mcp_unload_req(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
1103 {
1104 	struct qed_mcp_mb_params mb_params;
1105 	u32 cnt = MFW_COMPLETION_MAX_ITER;
1106 	u32 wol_param;
1107 	int rc;
1108 
1109 	switch (p_hwfn->cdev->wol_config) {
1110 	case QED_OV_WOL_DISABLED:
1111 		wol_param = DRV_MB_PARAM_UNLOAD_WOL_DISABLED;
1112 		break;
1113 	case QED_OV_WOL_ENABLED:
1114 		wol_param = DRV_MB_PARAM_UNLOAD_WOL_ENABLED;
1115 		break;
1116 	default:
1117 		DP_NOTICE(p_hwfn,
1118 			  "Unknown WoL configuration %02x\n",
1119 			  p_hwfn->cdev->wol_config);
1120 		fallthrough;
1121 	case QED_OV_WOL_DEFAULT:
1122 		wol_param = DRV_MB_PARAM_UNLOAD_WOL_MCP;
1123 	}
1124 
1125 	memset(&mb_params, 0, sizeof(mb_params));
1126 	mb_params.cmd = DRV_MSG_CODE_UNLOAD_REQ;
1127 	mb_params.param = wol_param;
1128 	mb_params.flags = QED_MB_FLAG_CAN_SLEEP | QED_MB_FLAG_AVOID_BLOCK;
1129 
1130 	spin_lock_bh(&p_hwfn->mcp_info->unload_lock);
1131 	set_bit(QED_MCP_BYPASS_PROC_BIT,
1132 		&p_hwfn->mcp_info->mcp_handling_status);
1133 	spin_unlock_bh(&p_hwfn->mcp_info->unload_lock);
1134 
1135 	rc = qed_mcp_cmd_and_union(p_hwfn, p_ptt, &mb_params);
1136 
1137 	while (test_bit(QED_MCP_IN_PROCESSING_BIT,
1138 			&p_hwfn->mcp_info->mcp_handling_status) && --cnt)
1139 		msleep(MFW_COMPLETION_INTERVAL_MS);
1140 
1141 	if (!cnt)
1142 		DP_NOTICE(p_hwfn,
1143 			  "Failed to wait MFW event completion after %d msec\n",
1144 			  MFW_COMPLETION_MAX_ITER * MFW_COMPLETION_INTERVAL_MS);
1145 
1146 	return rc;
1147 }
1148 
qed_mcp_unload_done(struct qed_hwfn * p_hwfn,struct qed_ptt * p_ptt)1149 int qed_mcp_unload_done(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
1150 {
1151 	struct qed_mcp_mb_params mb_params;
1152 	struct mcp_mac wol_mac;
1153 
1154 	memset(&mb_params, 0, sizeof(mb_params));
1155 	mb_params.cmd = DRV_MSG_CODE_UNLOAD_DONE;
1156 
1157 	/* Set the primary MAC if WoL is enabled */
1158 	if (p_hwfn->cdev->wol_config == QED_OV_WOL_ENABLED) {
1159 		u8 *p_mac = p_hwfn->cdev->wol_mac;
1160 
1161 		memset(&wol_mac, 0, sizeof(wol_mac));
1162 		wol_mac.mac_upper = p_mac[0] << 8 | p_mac[1];
1163 		wol_mac.mac_lower = p_mac[2] << 24 | p_mac[3] << 16 |
1164 				    p_mac[4] << 8 | p_mac[5];
1165 
1166 		DP_VERBOSE(p_hwfn,
1167 			   (QED_MSG_SP | NETIF_MSG_IFDOWN),
1168 			   "Setting WoL MAC: %pM --> [%08x,%08x]\n",
1169 			   p_mac, wol_mac.mac_upper, wol_mac.mac_lower);
1170 
1171 		mb_params.p_data_src = &wol_mac;
1172 		mb_params.data_src_size = sizeof(wol_mac);
1173 	}
1174 
1175 	return qed_mcp_cmd_and_union(p_hwfn, p_ptt, &mb_params);
1176 }
1177 
qed_mcp_handle_vf_flr(struct qed_hwfn * p_hwfn,struct qed_ptt * p_ptt)1178 static void qed_mcp_handle_vf_flr(struct qed_hwfn *p_hwfn,
1179 				  struct qed_ptt *p_ptt)
1180 {
1181 	u32 addr = SECTION_OFFSIZE_ADDR(p_hwfn->mcp_info->public_base,
1182 					PUBLIC_PATH);
1183 	u32 mfw_path_offsize = qed_rd(p_hwfn, p_ptt, addr);
1184 	u32 path_addr = SECTION_ADDR(mfw_path_offsize,
1185 				     QED_PATH_ID(p_hwfn));
1186 	u32 disabled_vfs[VF_MAX_STATIC / 32];
1187 	int i;
1188 
1189 	DP_VERBOSE(p_hwfn,
1190 		   QED_MSG_SP,
1191 		   "Reading Disabled VF information from [offset %08x], path_addr %08x\n",
1192 		   mfw_path_offsize, path_addr);
1193 
1194 	for (i = 0; i < (VF_MAX_STATIC / 32); i++) {
1195 		disabled_vfs[i] = qed_rd(p_hwfn, p_ptt,
1196 					 path_addr +
1197 					 offsetof(struct public_path,
1198 						  mcp_vf_disabled) +
1199 					 sizeof(u32) * i);
1200 		DP_VERBOSE(p_hwfn, (QED_MSG_SP | QED_MSG_IOV),
1201 			   "FLR-ed VFs [%08x,...,%08x] - %08x\n",
1202 			   i * 32, (i + 1) * 32 - 1, disabled_vfs[i]);
1203 	}
1204 
1205 	if (qed_iov_mark_vf_flr(p_hwfn, disabled_vfs))
1206 		qed_schedule_iov(p_hwfn, QED_IOV_WQ_FLR_FLAG);
1207 }
1208 
qed_mcp_ack_vf_flr(struct qed_hwfn * p_hwfn,struct qed_ptt * p_ptt,u32 * vfs_to_ack)1209 int qed_mcp_ack_vf_flr(struct qed_hwfn *p_hwfn,
1210 		       struct qed_ptt *p_ptt, u32 *vfs_to_ack)
1211 {
1212 	u32 addr = SECTION_OFFSIZE_ADDR(p_hwfn->mcp_info->public_base,
1213 					PUBLIC_FUNC);
1214 	u32 mfw_func_offsize = qed_rd(p_hwfn, p_ptt, addr);
1215 	u32 func_addr = SECTION_ADDR(mfw_func_offsize,
1216 				     MCP_PF_ID(p_hwfn));
1217 	struct qed_mcp_mb_params mb_params;
1218 	int rc;
1219 	int i;
1220 
1221 	for (i = 0; i < (VF_MAX_STATIC / 32); i++)
1222 		DP_VERBOSE(p_hwfn, (QED_MSG_SP | QED_MSG_IOV),
1223 			   "Acking VFs [%08x,...,%08x] - %08x\n",
1224 			   i * 32, (i + 1) * 32 - 1, vfs_to_ack[i]);
1225 
1226 	memset(&mb_params, 0, sizeof(mb_params));
1227 	mb_params.cmd = DRV_MSG_CODE_VF_DISABLED_DONE;
1228 	mb_params.p_data_src = vfs_to_ack;
1229 	mb_params.data_src_size = VF_MAX_STATIC / 8;
1230 	rc = qed_mcp_cmd_and_union(p_hwfn, p_ptt, &mb_params);
1231 	if (rc) {
1232 		DP_NOTICE(p_hwfn, "Failed to pass ACK for VF flr to MFW\n");
1233 		return -EBUSY;
1234 	}
1235 
1236 	/* Clear the ACK bits */
1237 	for (i = 0; i < (VF_MAX_STATIC / 32); i++)
1238 		qed_wr(p_hwfn, p_ptt,
1239 		       func_addr +
1240 		       offsetof(struct public_func, drv_ack_vf_disabled) +
1241 		       i * sizeof(u32), 0);
1242 
1243 	return rc;
1244 }
1245 
qed_mcp_handle_transceiver_change(struct qed_hwfn * p_hwfn,struct qed_ptt * p_ptt)1246 static void qed_mcp_handle_transceiver_change(struct qed_hwfn *p_hwfn,
1247 					      struct qed_ptt *p_ptt)
1248 {
1249 	u32 transceiver_state;
1250 
1251 	transceiver_state = qed_rd(p_hwfn, p_ptt,
1252 				   p_hwfn->mcp_info->port_addr +
1253 				   offsetof(struct public_port,
1254 					    transceiver_data));
1255 
1256 	DP_VERBOSE(p_hwfn,
1257 		   (NETIF_MSG_HW | QED_MSG_SP),
1258 		   "Received transceiver state update [0x%08x] from mfw [Addr 0x%x]\n",
1259 		   transceiver_state,
1260 		   (u32)(p_hwfn->mcp_info->port_addr +
1261 			  offsetof(struct public_port, transceiver_data)));
1262 
1263 	transceiver_state = GET_FIELD(transceiver_state,
1264 				      ETH_TRANSCEIVER_STATE);
1265 
1266 	if (transceiver_state == ETH_TRANSCEIVER_STATE_PRESENT)
1267 		DP_NOTICE(p_hwfn, "Transceiver is present.\n");
1268 	else
1269 		DP_NOTICE(p_hwfn, "Transceiver is unplugged.\n");
1270 }
1271 
qed_mcp_read_eee_config(struct qed_hwfn * p_hwfn,struct qed_ptt * p_ptt,struct qed_mcp_link_state * p_link)1272 static void qed_mcp_read_eee_config(struct qed_hwfn *p_hwfn,
1273 				    struct qed_ptt *p_ptt,
1274 				    struct qed_mcp_link_state *p_link)
1275 {
1276 	u32 eee_status, val;
1277 
1278 	p_link->eee_adv_caps = 0;
1279 	p_link->eee_lp_adv_caps = 0;
1280 	eee_status = qed_rd(p_hwfn,
1281 			    p_ptt,
1282 			    p_hwfn->mcp_info->port_addr +
1283 			    offsetof(struct public_port, eee_status));
1284 	p_link->eee_active = !!(eee_status & EEE_ACTIVE_BIT);
1285 	val = (eee_status & EEE_LD_ADV_STATUS_MASK) >> EEE_LD_ADV_STATUS_OFFSET;
1286 	if (val & EEE_1G_ADV)
1287 		p_link->eee_adv_caps |= QED_EEE_1G_ADV;
1288 	if (val & EEE_10G_ADV)
1289 		p_link->eee_adv_caps |= QED_EEE_10G_ADV;
1290 	val = (eee_status & EEE_LP_ADV_STATUS_MASK) >> EEE_LP_ADV_STATUS_OFFSET;
1291 	if (val & EEE_1G_ADV)
1292 		p_link->eee_lp_adv_caps |= QED_EEE_1G_ADV;
1293 	if (val & EEE_10G_ADV)
1294 		p_link->eee_lp_adv_caps |= QED_EEE_10G_ADV;
1295 }
1296 
qed_mcp_get_shmem_func(struct qed_hwfn * p_hwfn,struct qed_ptt * p_ptt,struct public_func * p_data,int pfid)1297 static u32 qed_mcp_get_shmem_func(struct qed_hwfn *p_hwfn,
1298 				  struct qed_ptt *p_ptt,
1299 				  struct public_func *p_data, int pfid)
1300 {
1301 	u32 addr = SECTION_OFFSIZE_ADDR(p_hwfn->mcp_info->public_base,
1302 					PUBLIC_FUNC);
1303 	u32 mfw_path_offsize = qed_rd(p_hwfn, p_ptt, addr);
1304 	u32 func_addr;
1305 	u32 i, size;
1306 
1307 	func_addr = SECTION_ADDR(mfw_path_offsize, pfid);
1308 	memset(p_data, 0, sizeof(*p_data));
1309 
1310 	size = min_t(u32, sizeof(*p_data), QED_SECTION_SIZE(mfw_path_offsize));
1311 	for (i = 0; i < size / sizeof(u32); i++)
1312 		((u32 *)p_data)[i] = qed_rd(p_hwfn, p_ptt,
1313 					    func_addr + (i << 2));
1314 	return size;
1315 }
1316 
qed_read_pf_bandwidth(struct qed_hwfn * p_hwfn,struct public_func * p_shmem_info)1317 static void qed_read_pf_bandwidth(struct qed_hwfn *p_hwfn,
1318 				  struct public_func *p_shmem_info)
1319 {
1320 	struct qed_mcp_function_info *p_info;
1321 
1322 	p_info = &p_hwfn->mcp_info->func_info;
1323 
1324 	p_info->bandwidth_min = QED_MFW_GET_FIELD(p_shmem_info->config,
1325 						  FUNC_MF_CFG_MIN_BW);
1326 	if (p_info->bandwidth_min < 1 || p_info->bandwidth_min > 100) {
1327 		DP_INFO(p_hwfn,
1328 			"bandwidth minimum out of bounds [%02x]. Set to 1\n",
1329 			p_info->bandwidth_min);
1330 		p_info->bandwidth_min = 1;
1331 	}
1332 
1333 	p_info->bandwidth_max = QED_MFW_GET_FIELD(p_shmem_info->config,
1334 						  FUNC_MF_CFG_MAX_BW);
1335 	if (p_info->bandwidth_max < 1 || p_info->bandwidth_max > 100) {
1336 		DP_INFO(p_hwfn,
1337 			"bandwidth maximum out of bounds [%02x]. Set to 100\n",
1338 			p_info->bandwidth_max);
1339 		p_info->bandwidth_max = 100;
1340 	}
1341 }
1342 
qed_mcp_handle_link_change(struct qed_hwfn * p_hwfn,struct qed_ptt * p_ptt,bool b_reset)1343 static void qed_mcp_handle_link_change(struct qed_hwfn *p_hwfn,
1344 				       struct qed_ptt *p_ptt, bool b_reset)
1345 {
1346 	struct qed_mcp_link_state *p_link;
1347 	u8 max_bw, min_bw;
1348 	u32 status = 0;
1349 
1350 	/* Prevent SW/attentions from doing this at the same time */
1351 	spin_lock_bh(&p_hwfn->mcp_info->link_lock);
1352 
1353 	p_link = &p_hwfn->mcp_info->link_output;
1354 	memset(p_link, 0, sizeof(*p_link));
1355 	if (!b_reset) {
1356 		status = qed_rd(p_hwfn, p_ptt,
1357 				p_hwfn->mcp_info->port_addr +
1358 				offsetof(struct public_port, link_status));
1359 		DP_VERBOSE(p_hwfn, (NETIF_MSG_LINK | QED_MSG_SP),
1360 			   "Received link update [0x%08x] from mfw [Addr 0x%x]\n",
1361 			   status,
1362 			   (u32)(p_hwfn->mcp_info->port_addr +
1363 				 offsetof(struct public_port, link_status)));
1364 	} else {
1365 		DP_VERBOSE(p_hwfn, NETIF_MSG_LINK,
1366 			   "Resetting link indications\n");
1367 		goto out;
1368 	}
1369 
1370 	if (p_hwfn->b_drv_link_init) {
1371 		/* Link indication with modern MFW arrives as per-PF
1372 		 * indication.
1373 		 */
1374 		if (p_hwfn->mcp_info->capabilities &
1375 		    FW_MB_PARAM_FEATURE_SUPPORT_VLINK) {
1376 			struct public_func shmem_info;
1377 
1378 			qed_mcp_get_shmem_func(p_hwfn, p_ptt, &shmem_info,
1379 					       MCP_PF_ID(p_hwfn));
1380 			p_link->link_up = !!(shmem_info.status &
1381 					     FUNC_STATUS_VIRTUAL_LINK_UP);
1382 			qed_read_pf_bandwidth(p_hwfn, &shmem_info);
1383 			DP_VERBOSE(p_hwfn, NETIF_MSG_LINK,
1384 				   "Virtual link_up = %d\n", p_link->link_up);
1385 		} else {
1386 			p_link->link_up = !!(status & LINK_STATUS_LINK_UP);
1387 			DP_VERBOSE(p_hwfn, NETIF_MSG_LINK,
1388 				   "Physical link_up = %d\n", p_link->link_up);
1389 		}
1390 	} else {
1391 		p_link->link_up = false;
1392 	}
1393 
1394 	p_link->full_duplex = true;
1395 	switch ((status & LINK_STATUS_SPEED_AND_DUPLEX_MASK)) {
1396 	case LINK_STATUS_SPEED_AND_DUPLEX_100G:
1397 		p_link->speed = 100000;
1398 		break;
1399 	case LINK_STATUS_SPEED_AND_DUPLEX_50G:
1400 		p_link->speed = 50000;
1401 		break;
1402 	case LINK_STATUS_SPEED_AND_DUPLEX_40G:
1403 		p_link->speed = 40000;
1404 		break;
1405 	case LINK_STATUS_SPEED_AND_DUPLEX_25G:
1406 		p_link->speed = 25000;
1407 		break;
1408 	case LINK_STATUS_SPEED_AND_DUPLEX_20G:
1409 		p_link->speed = 20000;
1410 		break;
1411 	case LINK_STATUS_SPEED_AND_DUPLEX_10G:
1412 		p_link->speed = 10000;
1413 		break;
1414 	case LINK_STATUS_SPEED_AND_DUPLEX_1000THD:
1415 		p_link->full_duplex = false;
1416 		fallthrough;
1417 	case LINK_STATUS_SPEED_AND_DUPLEX_1000TFD:
1418 		p_link->speed = 1000;
1419 		break;
1420 	default:
1421 		p_link->speed = 0;
1422 		p_link->link_up = 0;
1423 	}
1424 
1425 	if (p_link->link_up && p_link->speed)
1426 		p_link->line_speed = p_link->speed;
1427 	else
1428 		p_link->line_speed = 0;
1429 
1430 	max_bw = p_hwfn->mcp_info->func_info.bandwidth_max;
1431 	min_bw = p_hwfn->mcp_info->func_info.bandwidth_min;
1432 
1433 	/* Max bandwidth configuration */
1434 	__qed_configure_pf_max_bandwidth(p_hwfn, p_ptt, p_link, max_bw);
1435 
1436 	/* Min bandwidth configuration */
1437 	__qed_configure_pf_min_bandwidth(p_hwfn, p_ptt, p_link, min_bw);
1438 	qed_configure_vp_wfq_on_link_change(p_hwfn->cdev, p_ptt,
1439 					    p_link->min_pf_rate);
1440 
1441 	p_link->an = !!(status & LINK_STATUS_AUTO_NEGOTIATE_ENABLED);
1442 	p_link->an_complete = !!(status &
1443 				 LINK_STATUS_AUTO_NEGOTIATE_COMPLETE);
1444 	p_link->parallel_detection = !!(status &
1445 					LINK_STATUS_PARALLEL_DETECTION_USED);
1446 	p_link->pfc_enabled = !!(status & LINK_STATUS_PFC_ENABLED);
1447 
1448 	p_link->partner_adv_speed |=
1449 		(status & LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE) ?
1450 		QED_LINK_PARTNER_SPEED_1G_FD : 0;
1451 	p_link->partner_adv_speed |=
1452 		(status & LINK_STATUS_LINK_PARTNER_1000THD_CAPABLE) ?
1453 		QED_LINK_PARTNER_SPEED_1G_HD : 0;
1454 	p_link->partner_adv_speed |=
1455 		(status & LINK_STATUS_LINK_PARTNER_10G_CAPABLE) ?
1456 		QED_LINK_PARTNER_SPEED_10G : 0;
1457 	p_link->partner_adv_speed |=
1458 		(status & LINK_STATUS_LINK_PARTNER_20G_CAPABLE) ?
1459 		QED_LINK_PARTNER_SPEED_20G : 0;
1460 	p_link->partner_adv_speed |=
1461 		(status & LINK_STATUS_LINK_PARTNER_25G_CAPABLE) ?
1462 		QED_LINK_PARTNER_SPEED_25G : 0;
1463 	p_link->partner_adv_speed |=
1464 		(status & LINK_STATUS_LINK_PARTNER_40G_CAPABLE) ?
1465 		QED_LINK_PARTNER_SPEED_40G : 0;
1466 	p_link->partner_adv_speed |=
1467 		(status & LINK_STATUS_LINK_PARTNER_50G_CAPABLE) ?
1468 		QED_LINK_PARTNER_SPEED_50G : 0;
1469 	p_link->partner_adv_speed |=
1470 		(status & LINK_STATUS_LINK_PARTNER_100G_CAPABLE) ?
1471 		QED_LINK_PARTNER_SPEED_100G : 0;
1472 
1473 	p_link->partner_tx_flow_ctrl_en =
1474 		!!(status & LINK_STATUS_TX_FLOW_CONTROL_ENABLED);
1475 	p_link->partner_rx_flow_ctrl_en =
1476 		!!(status & LINK_STATUS_RX_FLOW_CONTROL_ENABLED);
1477 
1478 	switch (status & LINK_STATUS_LINK_PARTNER_FLOW_CONTROL_MASK) {
1479 	case LINK_STATUS_LINK_PARTNER_SYMMETRIC_PAUSE:
1480 		p_link->partner_adv_pause = QED_LINK_PARTNER_SYMMETRIC_PAUSE;
1481 		break;
1482 	case LINK_STATUS_LINK_PARTNER_ASYMMETRIC_PAUSE:
1483 		p_link->partner_adv_pause = QED_LINK_PARTNER_ASYMMETRIC_PAUSE;
1484 		break;
1485 	case LINK_STATUS_LINK_PARTNER_BOTH_PAUSE:
1486 		p_link->partner_adv_pause = QED_LINK_PARTNER_BOTH_PAUSE;
1487 		break;
1488 	default:
1489 		p_link->partner_adv_pause = 0;
1490 	}
1491 
1492 	p_link->sfp_tx_fault = !!(status & LINK_STATUS_SFP_TX_FAULT);
1493 
1494 	if (p_hwfn->mcp_info->capabilities & FW_MB_PARAM_FEATURE_SUPPORT_EEE)
1495 		qed_mcp_read_eee_config(p_hwfn, p_ptt, p_link);
1496 
1497 	if (p_hwfn->mcp_info->capabilities &
1498 	    FW_MB_PARAM_FEATURE_SUPPORT_FEC_CONTROL) {
1499 		switch (status & LINK_STATUS_FEC_MODE_MASK) {
1500 		case LINK_STATUS_FEC_MODE_NONE:
1501 			p_link->fec_active = QED_FEC_MODE_NONE;
1502 			break;
1503 		case LINK_STATUS_FEC_MODE_FIRECODE_CL74:
1504 			p_link->fec_active = QED_FEC_MODE_FIRECODE;
1505 			break;
1506 		case LINK_STATUS_FEC_MODE_RS_CL91:
1507 			p_link->fec_active = QED_FEC_MODE_RS;
1508 			break;
1509 		default:
1510 			p_link->fec_active = QED_FEC_MODE_AUTO;
1511 		}
1512 	} else {
1513 		p_link->fec_active = QED_FEC_MODE_UNSUPPORTED;
1514 	}
1515 
1516 	qed_link_update(p_hwfn, p_ptt);
1517 out:
1518 	spin_unlock_bh(&p_hwfn->mcp_info->link_lock);
1519 }
1520 
qed_mcp_set_link(struct qed_hwfn * p_hwfn,struct qed_ptt * p_ptt,bool b_up)1521 int qed_mcp_set_link(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt, bool b_up)
1522 {
1523 	struct qed_mcp_link_params *params = &p_hwfn->mcp_info->link_input;
1524 	struct qed_mcp_mb_params mb_params;
1525 	struct eth_phy_cfg phy_cfg;
1526 	u32 cmd, fec_bit = 0;
1527 	u32 val, ext_speed;
1528 	int rc = 0;
1529 
1530 	/* Set the shmem configuration according to params */
1531 	memset(&phy_cfg, 0, sizeof(phy_cfg));
1532 	cmd = b_up ? DRV_MSG_CODE_INIT_PHY : DRV_MSG_CODE_LINK_RESET;
1533 	if (!params->speed.autoneg)
1534 		phy_cfg.speed = params->speed.forced_speed;
1535 	phy_cfg.pause |= (params->pause.autoneg) ? ETH_PAUSE_AUTONEG : 0;
1536 	phy_cfg.pause |= (params->pause.forced_rx) ? ETH_PAUSE_RX : 0;
1537 	phy_cfg.pause |= (params->pause.forced_tx) ? ETH_PAUSE_TX : 0;
1538 	phy_cfg.adv_speed = params->speed.advertised_speeds;
1539 	phy_cfg.loopback_mode = params->loopback_mode;
1540 
1541 	/* There are MFWs that share this capability regardless of whether
1542 	 * this is feasible or not. And given that at the very least adv_caps
1543 	 * would be set internally by qed, we want to make sure LFA would
1544 	 * still work.
1545 	 */
1546 	if ((p_hwfn->mcp_info->capabilities &
1547 	     FW_MB_PARAM_FEATURE_SUPPORT_EEE) && params->eee.enable) {
1548 		phy_cfg.eee_cfg |= EEE_CFG_EEE_ENABLED;
1549 		if (params->eee.tx_lpi_enable)
1550 			phy_cfg.eee_cfg |= EEE_CFG_TX_LPI;
1551 		if (params->eee.adv_caps & QED_EEE_1G_ADV)
1552 			phy_cfg.eee_cfg |= EEE_CFG_ADV_SPEED_1G;
1553 		if (params->eee.adv_caps & QED_EEE_10G_ADV)
1554 			phy_cfg.eee_cfg |= EEE_CFG_ADV_SPEED_10G;
1555 		phy_cfg.eee_cfg |= (params->eee.tx_lpi_timer <<
1556 				    EEE_TX_TIMER_USEC_OFFSET) &
1557 				   EEE_TX_TIMER_USEC_MASK;
1558 	}
1559 
1560 	if (p_hwfn->mcp_info->capabilities &
1561 	    FW_MB_PARAM_FEATURE_SUPPORT_FEC_CONTROL) {
1562 		if (params->fec & QED_FEC_MODE_NONE)
1563 			fec_bit |= FEC_FORCE_MODE_NONE;
1564 		else if (params->fec & QED_FEC_MODE_FIRECODE)
1565 			fec_bit |= FEC_FORCE_MODE_FIRECODE;
1566 		else if (params->fec & QED_FEC_MODE_RS)
1567 			fec_bit |= FEC_FORCE_MODE_RS;
1568 		else if (params->fec & QED_FEC_MODE_AUTO)
1569 			fec_bit |= FEC_FORCE_MODE_AUTO;
1570 
1571 		SET_MFW_FIELD(phy_cfg.fec_mode, FEC_FORCE_MODE, fec_bit);
1572 	}
1573 
1574 	if (p_hwfn->mcp_info->capabilities &
1575 	    FW_MB_PARAM_FEATURE_SUPPORT_EXT_SPEED_FEC_CONTROL) {
1576 		ext_speed = 0;
1577 		if (params->ext_speed.autoneg)
1578 			ext_speed |= ETH_EXT_SPEED_NONE;
1579 
1580 		val = params->ext_speed.forced_speed;
1581 		if (val & QED_EXT_SPEED_1G)
1582 			ext_speed |= ETH_EXT_SPEED_1G;
1583 		if (val & QED_EXT_SPEED_10G)
1584 			ext_speed |= ETH_EXT_SPEED_10G;
1585 		if (val & QED_EXT_SPEED_25G)
1586 			ext_speed |= ETH_EXT_SPEED_25G;
1587 		if (val & QED_EXT_SPEED_40G)
1588 			ext_speed |= ETH_EXT_SPEED_40G;
1589 		if (val & QED_EXT_SPEED_50G_R)
1590 			ext_speed |= ETH_EXT_SPEED_50G_BASE_R;
1591 		if (val & QED_EXT_SPEED_50G_R2)
1592 			ext_speed |= ETH_EXT_SPEED_50G_BASE_R2;
1593 		if (val & QED_EXT_SPEED_100G_R2)
1594 			ext_speed |= ETH_EXT_SPEED_100G_BASE_R2;
1595 		if (val & QED_EXT_SPEED_100G_R4)
1596 			ext_speed |= ETH_EXT_SPEED_100G_BASE_R4;
1597 		if (val & QED_EXT_SPEED_100G_P4)
1598 			ext_speed |= ETH_EXT_SPEED_100G_BASE_P4;
1599 
1600 		SET_MFW_FIELD(phy_cfg.extended_speed, ETH_EXT_SPEED,
1601 			      ext_speed);
1602 
1603 		ext_speed = 0;
1604 
1605 		val = params->ext_speed.advertised_speeds;
1606 		if (val & QED_EXT_SPEED_MASK_1G)
1607 			ext_speed |= ETH_EXT_ADV_SPEED_1G;
1608 		if (val & QED_EXT_SPEED_MASK_10G)
1609 			ext_speed |= ETH_EXT_ADV_SPEED_10G;
1610 		if (val & QED_EXT_SPEED_MASK_25G)
1611 			ext_speed |= ETH_EXT_ADV_SPEED_25G;
1612 		if (val & QED_EXT_SPEED_MASK_40G)
1613 			ext_speed |= ETH_EXT_ADV_SPEED_40G;
1614 		if (val & QED_EXT_SPEED_MASK_50G_R)
1615 			ext_speed |= ETH_EXT_ADV_SPEED_50G_BASE_R;
1616 		if (val & QED_EXT_SPEED_MASK_50G_R2)
1617 			ext_speed |= ETH_EXT_ADV_SPEED_50G_BASE_R2;
1618 		if (val & QED_EXT_SPEED_MASK_100G_R2)
1619 			ext_speed |= ETH_EXT_ADV_SPEED_100G_BASE_R2;
1620 		if (val & QED_EXT_SPEED_MASK_100G_R4)
1621 			ext_speed |= ETH_EXT_ADV_SPEED_100G_BASE_R4;
1622 		if (val & QED_EXT_SPEED_MASK_100G_P4)
1623 			ext_speed |= ETH_EXT_ADV_SPEED_100G_BASE_P4;
1624 
1625 		phy_cfg.extended_speed |= ext_speed;
1626 
1627 		SET_MFW_FIELD(phy_cfg.fec_mode, FEC_EXTENDED_MODE,
1628 			      params->ext_fec_mode);
1629 	}
1630 
1631 	p_hwfn->b_drv_link_init = b_up;
1632 
1633 	if (b_up) {
1634 		DP_VERBOSE(p_hwfn, NETIF_MSG_LINK,
1635 			   "Configuring Link: Speed 0x%08x, Pause 0x%08x, Adv. Speed 0x%08x, Loopback 0x%08x, FEC 0x%08x, Ext. Speed 0x%08x\n",
1636 			   phy_cfg.speed, phy_cfg.pause, phy_cfg.adv_speed,
1637 			   phy_cfg.loopback_mode, phy_cfg.fec_mode,
1638 			   phy_cfg.extended_speed);
1639 	} else {
1640 		DP_VERBOSE(p_hwfn, NETIF_MSG_LINK, "Resetting link\n");
1641 	}
1642 
1643 	memset(&mb_params, 0, sizeof(mb_params));
1644 	mb_params.cmd = cmd;
1645 	mb_params.p_data_src = &phy_cfg;
1646 	mb_params.data_src_size = sizeof(phy_cfg);
1647 	rc = qed_mcp_cmd_and_union(p_hwfn, p_ptt, &mb_params);
1648 
1649 	/* if mcp fails to respond we must abort */
1650 	if (rc) {
1651 		DP_ERR(p_hwfn, "MCP response failure, aborting\n");
1652 		return rc;
1653 	}
1654 
1655 	/* Mimic link-change attention, done for several reasons:
1656 	 *  - On reset, there's no guarantee MFW would trigger
1657 	 *    an attention.
1658 	 *  - On initialization, older MFWs might not indicate link change
1659 	 *    during LFA, so we'll never get an UP indication.
1660 	 */
1661 	qed_mcp_handle_link_change(p_hwfn, p_ptt, !b_up);
1662 
1663 	return 0;
1664 }
1665 
qed_get_process_kill_counter(struct qed_hwfn * p_hwfn,struct qed_ptt * p_ptt)1666 u32 qed_get_process_kill_counter(struct qed_hwfn *p_hwfn,
1667 				 struct qed_ptt *p_ptt)
1668 {
1669 	u32 path_offsize_addr, path_offsize, path_addr, proc_kill_cnt;
1670 
1671 	if (IS_VF(p_hwfn->cdev))
1672 		return -EINVAL;
1673 
1674 	path_offsize_addr = SECTION_OFFSIZE_ADDR(p_hwfn->mcp_info->public_base,
1675 						 PUBLIC_PATH);
1676 	path_offsize = qed_rd(p_hwfn, p_ptt, path_offsize_addr);
1677 	path_addr = SECTION_ADDR(path_offsize, QED_PATH_ID(p_hwfn));
1678 
1679 	proc_kill_cnt = qed_rd(p_hwfn, p_ptt,
1680 			       path_addr +
1681 			       offsetof(struct public_path, process_kill)) &
1682 			PROCESS_KILL_COUNTER_MASK;
1683 
1684 	return proc_kill_cnt;
1685 }
1686 
qed_mcp_handle_process_kill(struct qed_hwfn * p_hwfn,struct qed_ptt * p_ptt)1687 static void qed_mcp_handle_process_kill(struct qed_hwfn *p_hwfn,
1688 					struct qed_ptt *p_ptt)
1689 {
1690 	struct qed_dev *cdev = p_hwfn->cdev;
1691 	u32 proc_kill_cnt;
1692 
1693 	/* Prevent possible attentions/interrupts during the recovery handling
1694 	 * and till its load phase, during which they will be re-enabled.
1695 	 */
1696 	qed_int_igu_disable_int(p_hwfn, p_ptt);
1697 
1698 	DP_NOTICE(p_hwfn, "Received a process kill indication\n");
1699 
1700 	/* The following operations should be done once, and thus in CMT mode
1701 	 * are carried out by only the first HW function.
1702 	 */
1703 	if (p_hwfn != QED_LEADING_HWFN(cdev))
1704 		return;
1705 
1706 	if (cdev->recov_in_prog) {
1707 		DP_NOTICE(p_hwfn,
1708 			  "Ignoring the indication since a recovery process is already in progress\n");
1709 		return;
1710 	}
1711 
1712 	cdev->recov_in_prog = true;
1713 
1714 	proc_kill_cnt = qed_get_process_kill_counter(p_hwfn, p_ptt);
1715 	DP_NOTICE(p_hwfn, "Process kill counter: %d\n", proc_kill_cnt);
1716 
1717 	qed_schedule_recovery_handler(p_hwfn);
1718 }
1719 
qed_mcp_send_protocol_stats(struct qed_hwfn * p_hwfn,struct qed_ptt * p_ptt,enum MFW_DRV_MSG_TYPE type)1720 static void qed_mcp_send_protocol_stats(struct qed_hwfn *p_hwfn,
1721 					struct qed_ptt *p_ptt,
1722 					enum MFW_DRV_MSG_TYPE type)
1723 {
1724 	enum qed_mcp_protocol_type stats_type;
1725 	union qed_mcp_protocol_stats stats;
1726 	struct qed_mcp_mb_params mb_params;
1727 	u32 hsi_param;
1728 
1729 	switch (type) {
1730 	case MFW_DRV_MSG_GET_LAN_STATS:
1731 		stats_type = QED_MCP_LAN_STATS;
1732 		hsi_param = DRV_MSG_CODE_STATS_TYPE_LAN;
1733 		break;
1734 	case MFW_DRV_MSG_GET_FCOE_STATS:
1735 		stats_type = QED_MCP_FCOE_STATS;
1736 		hsi_param = DRV_MSG_CODE_STATS_TYPE_FCOE;
1737 		break;
1738 	case MFW_DRV_MSG_GET_ISCSI_STATS:
1739 		stats_type = QED_MCP_ISCSI_STATS;
1740 		hsi_param = DRV_MSG_CODE_STATS_TYPE_ISCSI;
1741 		break;
1742 	case MFW_DRV_MSG_GET_RDMA_STATS:
1743 		stats_type = QED_MCP_RDMA_STATS;
1744 		hsi_param = DRV_MSG_CODE_STATS_TYPE_RDMA;
1745 		break;
1746 	default:
1747 		DP_NOTICE(p_hwfn, "Invalid protocol type %d\n", type);
1748 		return;
1749 	}
1750 
1751 	qed_get_protocol_stats(p_hwfn->cdev, stats_type, &stats);
1752 
1753 	memset(&mb_params, 0, sizeof(mb_params));
1754 	mb_params.cmd = DRV_MSG_CODE_GET_STATS;
1755 	mb_params.param = hsi_param;
1756 	mb_params.p_data_src = &stats;
1757 	mb_params.data_src_size = sizeof(stats);
1758 	qed_mcp_cmd_and_union(p_hwfn, p_ptt, &mb_params);
1759 }
1760 
qed_mcp_update_bw(struct qed_hwfn * p_hwfn,struct qed_ptt * p_ptt)1761 static void qed_mcp_update_bw(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
1762 {
1763 	struct qed_mcp_function_info *p_info;
1764 	struct public_func shmem_info;
1765 	u32 resp = 0, param = 0;
1766 
1767 	qed_mcp_get_shmem_func(p_hwfn, p_ptt, &shmem_info, MCP_PF_ID(p_hwfn));
1768 
1769 	qed_read_pf_bandwidth(p_hwfn, &shmem_info);
1770 
1771 	p_info = &p_hwfn->mcp_info->func_info;
1772 
1773 	qed_configure_pf_min_bandwidth(p_hwfn->cdev, p_info->bandwidth_min);
1774 	qed_configure_pf_max_bandwidth(p_hwfn->cdev, p_info->bandwidth_max);
1775 
1776 	/* Acknowledge the MFW */
1777 	qed_mcp_cmd_nosleep(p_hwfn, p_ptt, DRV_MSG_CODE_BW_UPDATE_ACK, 0, &resp,
1778 			    &param);
1779 }
1780 
qed_mcp_update_stag(struct qed_hwfn * p_hwfn,struct qed_ptt * p_ptt)1781 static void qed_mcp_update_stag(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
1782 {
1783 	struct public_func shmem_info;
1784 	u32 resp = 0, param = 0;
1785 
1786 	qed_mcp_get_shmem_func(p_hwfn, p_ptt, &shmem_info, MCP_PF_ID(p_hwfn));
1787 
1788 	p_hwfn->mcp_info->func_info.ovlan = (u16)shmem_info.ovlan_stag &
1789 						 FUNC_MF_CFG_OV_STAG_MASK;
1790 	p_hwfn->hw_info.ovlan = p_hwfn->mcp_info->func_info.ovlan;
1791 	if (test_bit(QED_MF_OVLAN_CLSS, &p_hwfn->cdev->mf_bits)) {
1792 		if (p_hwfn->hw_info.ovlan != QED_MCP_VLAN_UNSET) {
1793 			qed_wr(p_hwfn, p_ptt, NIG_REG_LLH_FUNC_TAG_VALUE,
1794 			       p_hwfn->hw_info.ovlan);
1795 			qed_wr(p_hwfn, p_ptt, NIG_REG_LLH_FUNC_TAG_EN, 1);
1796 
1797 			/* Configure DB to add external vlan to EDPM packets */
1798 			qed_wr(p_hwfn, p_ptt, DORQ_REG_TAG1_OVRD_MODE, 1);
1799 			qed_wr(p_hwfn, p_ptt, DORQ_REG_PF_EXT_VID_BB_K2,
1800 			       p_hwfn->hw_info.ovlan);
1801 		} else {
1802 			qed_wr(p_hwfn, p_ptt, NIG_REG_LLH_FUNC_TAG_EN, 0);
1803 			qed_wr(p_hwfn, p_ptt, NIG_REG_LLH_FUNC_TAG_VALUE, 0);
1804 			qed_wr(p_hwfn, p_ptt, DORQ_REG_TAG1_OVRD_MODE, 0);
1805 			qed_wr(p_hwfn, p_ptt, DORQ_REG_PF_EXT_VID_BB_K2, 0);
1806 		}
1807 
1808 		qed_sp_pf_update_stag(p_hwfn);
1809 	}
1810 
1811 	DP_VERBOSE(p_hwfn, QED_MSG_SP, "ovlan = %d hw_mode = 0x%x\n",
1812 		   p_hwfn->mcp_info->func_info.ovlan, p_hwfn->hw_info.hw_mode);
1813 
1814 	/* Acknowledge the MFW */
1815 	qed_mcp_cmd_nosleep(p_hwfn, p_ptt, DRV_MSG_CODE_S_TAG_UPDATE_ACK, 0,
1816 			    &resp, &param);
1817 }
1818 
qed_mcp_handle_fan_failure(struct qed_hwfn * p_hwfn,struct qed_ptt * p_ptt)1819 static void qed_mcp_handle_fan_failure(struct qed_hwfn *p_hwfn,
1820 				       struct qed_ptt *p_ptt)
1821 {
1822 	/* A single notification should be sent to upper driver in CMT mode */
1823 	if (p_hwfn != QED_LEADING_HWFN(p_hwfn->cdev))
1824 		return;
1825 
1826 	qed_hw_err_notify(p_hwfn, p_ptt, QED_HW_ERR_FAN_FAIL,
1827 			  "Fan failure was detected on the network interface card and it's going to be shut down.\n");
1828 }
1829 
1830 struct qed_mdump_cmd_params {
1831 	u32 cmd;
1832 	void *p_data_src;
1833 	u8 data_src_size;
1834 	void *p_data_dst;
1835 	u8 data_dst_size;
1836 	u32 mcp_resp;
1837 };
1838 
1839 static int
qed_mcp_mdump_cmd(struct qed_hwfn * p_hwfn,struct qed_ptt * p_ptt,struct qed_mdump_cmd_params * p_mdump_cmd_params)1840 qed_mcp_mdump_cmd(struct qed_hwfn *p_hwfn,
1841 		  struct qed_ptt *p_ptt,
1842 		  struct qed_mdump_cmd_params *p_mdump_cmd_params)
1843 {
1844 	struct qed_mcp_mb_params mb_params;
1845 	int rc;
1846 
1847 	memset(&mb_params, 0, sizeof(mb_params));
1848 	mb_params.cmd = DRV_MSG_CODE_MDUMP_CMD;
1849 	mb_params.param = p_mdump_cmd_params->cmd;
1850 	mb_params.p_data_src = p_mdump_cmd_params->p_data_src;
1851 	mb_params.data_src_size = p_mdump_cmd_params->data_src_size;
1852 	mb_params.p_data_dst = p_mdump_cmd_params->p_data_dst;
1853 	mb_params.data_dst_size = p_mdump_cmd_params->data_dst_size;
1854 	rc = qed_mcp_cmd_and_union(p_hwfn, p_ptt, &mb_params);
1855 	if (rc)
1856 		return rc;
1857 
1858 	p_mdump_cmd_params->mcp_resp = mb_params.mcp_resp;
1859 
1860 	if (p_mdump_cmd_params->mcp_resp == FW_MSG_CODE_MDUMP_INVALID_CMD) {
1861 		DP_INFO(p_hwfn,
1862 			"The mdump sub command is unsupported by the MFW [mdump_cmd 0x%x]\n",
1863 			p_mdump_cmd_params->cmd);
1864 		rc = -EOPNOTSUPP;
1865 	} else if (p_mdump_cmd_params->mcp_resp == FW_MSG_CODE_UNSUPPORTED) {
1866 		DP_INFO(p_hwfn,
1867 			"The mdump command is not supported by the MFW\n");
1868 		rc = -EOPNOTSUPP;
1869 	}
1870 
1871 	return rc;
1872 }
1873 
qed_mcp_mdump_ack(struct qed_hwfn * p_hwfn,struct qed_ptt * p_ptt)1874 static int qed_mcp_mdump_ack(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
1875 {
1876 	struct qed_mdump_cmd_params mdump_cmd_params;
1877 
1878 	memset(&mdump_cmd_params, 0, sizeof(mdump_cmd_params));
1879 	mdump_cmd_params.cmd = DRV_MSG_CODE_MDUMP_ACK;
1880 
1881 	return qed_mcp_mdump_cmd(p_hwfn, p_ptt, &mdump_cmd_params);
1882 }
1883 
1884 int
qed_mcp_mdump_get_retain(struct qed_hwfn * p_hwfn,struct qed_ptt * p_ptt,struct mdump_retain_data_stc * p_mdump_retain)1885 qed_mcp_mdump_get_retain(struct qed_hwfn *p_hwfn,
1886 			 struct qed_ptt *p_ptt,
1887 			 struct mdump_retain_data_stc *p_mdump_retain)
1888 {
1889 	struct qed_mdump_cmd_params mdump_cmd_params;
1890 	int rc;
1891 
1892 	memset(&mdump_cmd_params, 0, sizeof(mdump_cmd_params));
1893 	mdump_cmd_params.cmd = DRV_MSG_CODE_MDUMP_GET_RETAIN;
1894 	mdump_cmd_params.p_data_dst = p_mdump_retain;
1895 	mdump_cmd_params.data_dst_size = sizeof(*p_mdump_retain);
1896 
1897 	rc = qed_mcp_mdump_cmd(p_hwfn, p_ptt, &mdump_cmd_params);
1898 	if (rc)
1899 		return rc;
1900 
1901 	if (mdump_cmd_params.mcp_resp != FW_MSG_CODE_OK) {
1902 		DP_INFO(p_hwfn,
1903 			"Failed to get the mdump retained data [mcp_resp 0x%x]\n",
1904 			mdump_cmd_params.mcp_resp);
1905 		return -EINVAL;
1906 	}
1907 
1908 	return 0;
1909 }
1910 
qed_mcp_handle_critical_error(struct qed_hwfn * p_hwfn,struct qed_ptt * p_ptt)1911 static void qed_mcp_handle_critical_error(struct qed_hwfn *p_hwfn,
1912 					  struct qed_ptt *p_ptt)
1913 {
1914 	struct mdump_retain_data_stc mdump_retain;
1915 	int rc;
1916 
1917 	/* In CMT mode - no need for more than a single acknowledgment to the
1918 	 * MFW, and no more than a single notification to the upper driver.
1919 	 */
1920 	if (p_hwfn != QED_LEADING_HWFN(p_hwfn->cdev))
1921 		return;
1922 
1923 	rc = qed_mcp_mdump_get_retain(p_hwfn, p_ptt, &mdump_retain);
1924 	if (rc == 0 && mdump_retain.valid)
1925 		DP_NOTICE(p_hwfn,
1926 			  "The MFW notified that a critical error occurred in the device [epoch 0x%08x, pf 0x%x, status 0x%08x]\n",
1927 			  mdump_retain.epoch,
1928 			  mdump_retain.pf, mdump_retain.status);
1929 	else
1930 		DP_NOTICE(p_hwfn,
1931 			  "The MFW notified that a critical error occurred in the device\n");
1932 
1933 	DP_NOTICE(p_hwfn,
1934 		  "Acknowledging the notification to not allow the MFW crash dump [driver debug data collection is preferable]\n");
1935 	qed_mcp_mdump_ack(p_hwfn, p_ptt);
1936 
1937 	qed_hw_err_notify(p_hwfn, p_ptt, QED_HW_ERR_HW_ATTN, NULL);
1938 }
1939 
qed_mcp_read_ufp_config(struct qed_hwfn * p_hwfn,struct qed_ptt * p_ptt)1940 void qed_mcp_read_ufp_config(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
1941 {
1942 	struct public_func shmem_info;
1943 	u32 port_cfg, val;
1944 
1945 	if (!test_bit(QED_MF_UFP_SPECIFIC, &p_hwfn->cdev->mf_bits))
1946 		return;
1947 
1948 	memset(&p_hwfn->ufp_info, 0, sizeof(p_hwfn->ufp_info));
1949 	port_cfg = qed_rd(p_hwfn, p_ptt, p_hwfn->mcp_info->port_addr +
1950 			  offsetof(struct public_port, oem_cfg_port));
1951 	val = (port_cfg & OEM_CFG_CHANNEL_TYPE_MASK) >>
1952 		OEM_CFG_CHANNEL_TYPE_OFFSET;
1953 	if (val != OEM_CFG_CHANNEL_TYPE_STAGGED)
1954 		DP_NOTICE(p_hwfn,
1955 			  "Incorrect UFP Channel type  %d port_id 0x%02x\n",
1956 			  val, MFW_PORT(p_hwfn));
1957 
1958 	val = (port_cfg & OEM_CFG_SCHED_TYPE_MASK) >> OEM_CFG_SCHED_TYPE_OFFSET;
1959 	if (val == OEM_CFG_SCHED_TYPE_ETS) {
1960 		p_hwfn->ufp_info.mode = QED_UFP_MODE_ETS;
1961 	} else if (val == OEM_CFG_SCHED_TYPE_VNIC_BW) {
1962 		p_hwfn->ufp_info.mode = QED_UFP_MODE_VNIC_BW;
1963 	} else {
1964 		p_hwfn->ufp_info.mode = QED_UFP_MODE_UNKNOWN;
1965 		DP_NOTICE(p_hwfn,
1966 			  "Unknown UFP scheduling mode %d port_id 0x%02x\n",
1967 			  val, MFW_PORT(p_hwfn));
1968 	}
1969 
1970 	qed_mcp_get_shmem_func(p_hwfn, p_ptt, &shmem_info, MCP_PF_ID(p_hwfn));
1971 	val = (shmem_info.oem_cfg_func & OEM_CFG_FUNC_TC_MASK) >>
1972 		OEM_CFG_FUNC_TC_OFFSET;
1973 	p_hwfn->ufp_info.tc = (u8)val;
1974 	val = (shmem_info.oem_cfg_func & OEM_CFG_FUNC_HOST_PRI_CTRL_MASK) >>
1975 		OEM_CFG_FUNC_HOST_PRI_CTRL_OFFSET;
1976 	if (val == OEM_CFG_FUNC_HOST_PRI_CTRL_VNIC) {
1977 		p_hwfn->ufp_info.pri_type = QED_UFP_PRI_VNIC;
1978 	} else if (val == OEM_CFG_FUNC_HOST_PRI_CTRL_OS) {
1979 		p_hwfn->ufp_info.pri_type = QED_UFP_PRI_OS;
1980 	} else {
1981 		p_hwfn->ufp_info.pri_type = QED_UFP_PRI_UNKNOWN;
1982 		DP_NOTICE(p_hwfn,
1983 			  "Unknown Host priority control %d port_id 0x%02x\n",
1984 			  val, MFW_PORT(p_hwfn));
1985 	}
1986 
1987 	DP_NOTICE(p_hwfn,
1988 		  "UFP shmem config: mode = %d tc = %d pri_type = %d port_id 0x%02x\n",
1989 		  p_hwfn->ufp_info.mode, p_hwfn->ufp_info.tc,
1990 		  p_hwfn->ufp_info.pri_type, MFW_PORT(p_hwfn));
1991 }
1992 
1993 static int
qed_mcp_handle_ufp_event(struct qed_hwfn * p_hwfn,struct qed_ptt * p_ptt)1994 qed_mcp_handle_ufp_event(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
1995 {
1996 	qed_mcp_read_ufp_config(p_hwfn, p_ptt);
1997 
1998 	if (p_hwfn->ufp_info.mode == QED_UFP_MODE_VNIC_BW) {
1999 		p_hwfn->qm_info.ooo_tc = p_hwfn->ufp_info.tc;
2000 		qed_hw_info_set_offload_tc(&p_hwfn->hw_info,
2001 					   p_hwfn->ufp_info.tc);
2002 
2003 		qed_qm_reconf(p_hwfn, p_ptt);
2004 	} else if (p_hwfn->ufp_info.mode == QED_UFP_MODE_ETS) {
2005 		/* Merge UFP TC with the dcbx TC data */
2006 		qed_dcbx_mib_update_event(p_hwfn, p_ptt,
2007 					  QED_DCBX_OPERATIONAL_MIB);
2008 	} else {
2009 		DP_ERR(p_hwfn, "Invalid sched type, discard the UFP config\n");
2010 		return -EINVAL;
2011 	}
2012 
2013 	/* update storm FW with negotiation results */
2014 	qed_sp_pf_update_ufp(p_hwfn);
2015 
2016 	/* update stag pcp value */
2017 	qed_sp_pf_update_stag(p_hwfn);
2018 
2019 	return 0;
2020 }
2021 
qed_mcp_handle_events(struct qed_hwfn * p_hwfn,struct qed_ptt * p_ptt)2022 int qed_mcp_handle_events(struct qed_hwfn *p_hwfn,
2023 			  struct qed_ptt *p_ptt)
2024 {
2025 	struct qed_mcp_info *info = p_hwfn->mcp_info;
2026 	int rc = 0;
2027 	bool found = false;
2028 	u16 i;
2029 
2030 	DP_VERBOSE(p_hwfn, QED_MSG_SP, "Received message from MFW\n");
2031 
2032 	/* Read Messages from MFW */
2033 	qed_mcp_read_mb(p_hwfn, p_ptt);
2034 
2035 	/* Compare current messages to old ones */
2036 	for (i = 0; i < info->mfw_mb_length; i++) {
2037 		if (info->mfw_mb_cur[i] == info->mfw_mb_shadow[i])
2038 			continue;
2039 
2040 		found = true;
2041 
2042 		DP_VERBOSE(p_hwfn, NETIF_MSG_LINK,
2043 			   "Msg [%d] - old CMD 0x%02x, new CMD 0x%02x\n",
2044 			   i, info->mfw_mb_shadow[i], info->mfw_mb_cur[i]);
2045 
2046 		spin_lock_bh(&p_hwfn->mcp_info->unload_lock);
2047 		if (test_bit(QED_MCP_BYPASS_PROC_BIT,
2048 			     &p_hwfn->mcp_info->mcp_handling_status)) {
2049 			spin_unlock_bh(&p_hwfn->mcp_info->unload_lock);
2050 			DP_INFO(p_hwfn,
2051 				"Msg [%d] is bypassed on unload flow\n", i);
2052 			continue;
2053 		}
2054 
2055 		set_bit(QED_MCP_IN_PROCESSING_BIT,
2056 			&p_hwfn->mcp_info->mcp_handling_status);
2057 		spin_unlock_bh(&p_hwfn->mcp_info->unload_lock);
2058 
2059 		switch (i) {
2060 		case MFW_DRV_MSG_LINK_CHANGE:
2061 			qed_mcp_handle_link_change(p_hwfn, p_ptt, false);
2062 			break;
2063 		case MFW_DRV_MSG_VF_DISABLED:
2064 			qed_mcp_handle_vf_flr(p_hwfn, p_ptt);
2065 			break;
2066 		case MFW_DRV_MSG_LLDP_DATA_UPDATED:
2067 			qed_dcbx_mib_update_event(p_hwfn, p_ptt,
2068 						  QED_DCBX_REMOTE_LLDP_MIB);
2069 			break;
2070 		case MFW_DRV_MSG_DCBX_REMOTE_MIB_UPDATED:
2071 			qed_dcbx_mib_update_event(p_hwfn, p_ptt,
2072 						  QED_DCBX_REMOTE_MIB);
2073 			break;
2074 		case MFW_DRV_MSG_DCBX_OPERATIONAL_MIB_UPDATED:
2075 			qed_dcbx_mib_update_event(p_hwfn, p_ptt,
2076 						  QED_DCBX_OPERATIONAL_MIB);
2077 			break;
2078 		case MFW_DRV_MSG_OEM_CFG_UPDATE:
2079 			qed_mcp_handle_ufp_event(p_hwfn, p_ptt);
2080 			break;
2081 		case MFW_DRV_MSG_TRANSCEIVER_STATE_CHANGE:
2082 			qed_mcp_handle_transceiver_change(p_hwfn, p_ptt);
2083 			break;
2084 		case MFW_DRV_MSG_ERROR_RECOVERY:
2085 			qed_mcp_handle_process_kill(p_hwfn, p_ptt);
2086 			break;
2087 		case MFW_DRV_MSG_GET_LAN_STATS:
2088 		case MFW_DRV_MSG_GET_FCOE_STATS:
2089 		case MFW_DRV_MSG_GET_ISCSI_STATS:
2090 		case MFW_DRV_MSG_GET_RDMA_STATS:
2091 			qed_mcp_send_protocol_stats(p_hwfn, p_ptt, i);
2092 			break;
2093 		case MFW_DRV_MSG_BW_UPDATE:
2094 			qed_mcp_update_bw(p_hwfn, p_ptt);
2095 			break;
2096 		case MFW_DRV_MSG_S_TAG_UPDATE:
2097 			qed_mcp_update_stag(p_hwfn, p_ptt);
2098 			break;
2099 		case MFW_DRV_MSG_FAILURE_DETECTED:
2100 			qed_mcp_handle_fan_failure(p_hwfn, p_ptt);
2101 			break;
2102 		case MFW_DRV_MSG_CRITICAL_ERROR_OCCURRED:
2103 			qed_mcp_handle_critical_error(p_hwfn, p_ptt);
2104 			break;
2105 		case MFW_DRV_MSG_GET_TLV_REQ:
2106 			qed_mfw_tlv_req(p_hwfn);
2107 			break;
2108 		default:
2109 			DP_INFO(p_hwfn, "Unimplemented MFW message %d\n", i);
2110 			rc = -EINVAL;
2111 		}
2112 
2113 		clear_bit(QED_MCP_IN_PROCESSING_BIT,
2114 			  &p_hwfn->mcp_info->mcp_handling_status);
2115 	}
2116 
2117 	/* ACK everything */
2118 	for (i = 0; i < MFW_DRV_MSG_MAX_DWORDS(info->mfw_mb_length); i++) {
2119 		__be32 val = cpu_to_be32(((u32 *)info->mfw_mb_cur)[i]);
2120 
2121 		/* MFW expect answer in BE, so we force write in that format */
2122 		qed_wr(p_hwfn, p_ptt,
2123 		       info->mfw_mb_addr + sizeof(u32) +
2124 		       MFW_DRV_MSG_MAX_DWORDS(info->mfw_mb_length) *
2125 		       sizeof(u32) + i * sizeof(u32),
2126 		       (__force u32)val);
2127 	}
2128 
2129 	if (!found) {
2130 		DP_NOTICE(p_hwfn,
2131 			  "Received an MFW message indication but no new message!\n");
2132 		rc = -EINVAL;
2133 	}
2134 
2135 	/* Copy the new mfw messages into the shadow */
2136 	memcpy(info->mfw_mb_shadow, info->mfw_mb_cur, info->mfw_mb_length);
2137 
2138 	return rc;
2139 }
2140 
qed_mcp_get_mfw_ver(struct qed_hwfn * p_hwfn,struct qed_ptt * p_ptt,u32 * p_mfw_ver,u32 * p_running_bundle_id)2141 int qed_mcp_get_mfw_ver(struct qed_hwfn *p_hwfn,
2142 			struct qed_ptt *p_ptt,
2143 			u32 *p_mfw_ver, u32 *p_running_bundle_id)
2144 {
2145 	u32 global_offsize, public_base;
2146 
2147 	if (IS_VF(p_hwfn->cdev)) {
2148 		if (p_hwfn->vf_iov_info) {
2149 			struct pfvf_acquire_resp_tlv *p_resp;
2150 
2151 			p_resp = &p_hwfn->vf_iov_info->acquire_resp;
2152 			*p_mfw_ver = p_resp->pfdev_info.mfw_ver;
2153 			return 0;
2154 		} else {
2155 			DP_VERBOSE(p_hwfn,
2156 				   QED_MSG_IOV,
2157 				   "VF requested MFW version prior to ACQUIRE\n");
2158 			return -EINVAL;
2159 		}
2160 	}
2161 
2162 	public_base = p_hwfn->mcp_info->public_base;
2163 	global_offsize = qed_rd(p_hwfn, p_ptt,
2164 				SECTION_OFFSIZE_ADDR(public_base,
2165 						     PUBLIC_GLOBAL));
2166 	*p_mfw_ver =
2167 	    qed_rd(p_hwfn, p_ptt,
2168 		   SECTION_ADDR(global_offsize,
2169 				0) + offsetof(struct public_global, mfw_ver));
2170 
2171 	if (p_running_bundle_id) {
2172 		*p_running_bundle_id = qed_rd(p_hwfn, p_ptt,
2173 					      SECTION_ADDR(global_offsize, 0) +
2174 					      offsetof(struct public_global,
2175 						       running_bundle_id));
2176 	}
2177 
2178 	return 0;
2179 }
2180 
qed_mcp_get_mbi_ver(struct qed_hwfn * p_hwfn,struct qed_ptt * p_ptt,u32 * p_mbi_ver)2181 int qed_mcp_get_mbi_ver(struct qed_hwfn *p_hwfn,
2182 			struct qed_ptt *p_ptt, u32 *p_mbi_ver)
2183 {
2184 	u32 nvm_cfg_addr, nvm_cfg1_offset, mbi_ver_addr;
2185 
2186 	if (IS_VF(p_hwfn->cdev))
2187 		return -EINVAL;
2188 
2189 	/* Read the address of the nvm_cfg */
2190 	nvm_cfg_addr = qed_rd(p_hwfn, p_ptt, MISC_REG_GEN_PURP_CR0);
2191 	if (!nvm_cfg_addr) {
2192 		DP_NOTICE(p_hwfn, "Shared memory not initialized\n");
2193 		return -EINVAL;
2194 	}
2195 
2196 	/* Read the offset of nvm_cfg1 */
2197 	nvm_cfg1_offset = qed_rd(p_hwfn, p_ptt, nvm_cfg_addr + 4);
2198 
2199 	mbi_ver_addr = MCP_REG_SCRATCH + nvm_cfg1_offset +
2200 		       offsetof(struct nvm_cfg1, glob) +
2201 		       offsetof(struct nvm_cfg1_glob, mbi_version);
2202 	*p_mbi_ver = qed_rd(p_hwfn, p_ptt,
2203 			    mbi_ver_addr) &
2204 		     (NVM_CFG1_GLOB_MBI_VERSION_0_MASK |
2205 		      NVM_CFG1_GLOB_MBI_VERSION_1_MASK |
2206 		      NVM_CFG1_GLOB_MBI_VERSION_2_MASK);
2207 
2208 	return 0;
2209 }
2210 
qed_mcp_get_media_type(struct qed_hwfn * p_hwfn,struct qed_ptt * p_ptt,u32 * p_media_type)2211 int qed_mcp_get_media_type(struct qed_hwfn *p_hwfn,
2212 			   struct qed_ptt *p_ptt, u32 *p_media_type)
2213 {
2214 	*p_media_type = MEDIA_UNSPECIFIED;
2215 
2216 	if (IS_VF(p_hwfn->cdev))
2217 		return -EINVAL;
2218 
2219 	if (!qed_mcp_is_init(p_hwfn)) {
2220 		DP_NOTICE(p_hwfn, "MFW is not initialized!\n");
2221 		return -EBUSY;
2222 	}
2223 
2224 	if (!p_ptt) {
2225 		*p_media_type = MEDIA_UNSPECIFIED;
2226 		return -EINVAL;
2227 	}
2228 
2229 	*p_media_type = qed_rd(p_hwfn, p_ptt,
2230 			       p_hwfn->mcp_info->port_addr +
2231 			       offsetof(struct public_port,
2232 					media_type));
2233 
2234 	return 0;
2235 }
2236 
qed_mcp_get_transceiver_data(struct qed_hwfn * p_hwfn,struct qed_ptt * p_ptt,u32 * p_transceiver_state,u32 * p_transceiver_type)2237 int qed_mcp_get_transceiver_data(struct qed_hwfn *p_hwfn,
2238 				 struct qed_ptt *p_ptt,
2239 				 u32 *p_transceiver_state,
2240 				 u32 *p_transceiver_type)
2241 {
2242 	u32 transceiver_info;
2243 
2244 	*p_transceiver_type = ETH_TRANSCEIVER_TYPE_NONE;
2245 	*p_transceiver_state = ETH_TRANSCEIVER_STATE_UPDATING;
2246 
2247 	if (IS_VF(p_hwfn->cdev))
2248 		return -EINVAL;
2249 
2250 	if (!qed_mcp_is_init(p_hwfn)) {
2251 		DP_NOTICE(p_hwfn, "MFW is not initialized!\n");
2252 		return -EBUSY;
2253 	}
2254 
2255 	transceiver_info = qed_rd(p_hwfn, p_ptt,
2256 				  p_hwfn->mcp_info->port_addr +
2257 				  offsetof(struct public_port,
2258 					   transceiver_data));
2259 
2260 	*p_transceiver_state = (transceiver_info &
2261 				ETH_TRANSCEIVER_STATE_MASK) >>
2262 				ETH_TRANSCEIVER_STATE_OFFSET;
2263 
2264 	if (*p_transceiver_state == ETH_TRANSCEIVER_STATE_PRESENT)
2265 		*p_transceiver_type = (transceiver_info &
2266 				       ETH_TRANSCEIVER_TYPE_MASK) >>
2267 				       ETH_TRANSCEIVER_TYPE_OFFSET;
2268 	else
2269 		*p_transceiver_type = ETH_TRANSCEIVER_TYPE_UNKNOWN;
2270 
2271 	return 0;
2272 }
2273 
qed_is_transceiver_ready(u32 transceiver_state,u32 transceiver_type)2274 static bool qed_is_transceiver_ready(u32 transceiver_state,
2275 				     u32 transceiver_type)
2276 {
2277 	if ((transceiver_state & ETH_TRANSCEIVER_STATE_PRESENT) &&
2278 	    ((transceiver_state & ETH_TRANSCEIVER_STATE_UPDATING) == 0x0) &&
2279 	    (transceiver_type != ETH_TRANSCEIVER_TYPE_NONE))
2280 		return true;
2281 
2282 	return false;
2283 }
2284 
qed_mcp_trans_speed_mask(struct qed_hwfn * p_hwfn,struct qed_ptt * p_ptt,u32 * p_speed_mask)2285 int qed_mcp_trans_speed_mask(struct qed_hwfn *p_hwfn,
2286 			     struct qed_ptt *p_ptt, u32 *p_speed_mask)
2287 {
2288 	u32 transceiver_type, transceiver_state;
2289 	int ret;
2290 
2291 	ret = qed_mcp_get_transceiver_data(p_hwfn, p_ptt, &transceiver_state,
2292 					   &transceiver_type);
2293 	if (ret)
2294 		return ret;
2295 
2296 	if (qed_is_transceiver_ready(transceiver_state, transceiver_type) ==
2297 				     false)
2298 		return -EINVAL;
2299 
2300 	switch (transceiver_type) {
2301 	case ETH_TRANSCEIVER_TYPE_1G_LX:
2302 	case ETH_TRANSCEIVER_TYPE_1G_SX:
2303 	case ETH_TRANSCEIVER_TYPE_1G_PCC:
2304 	case ETH_TRANSCEIVER_TYPE_1G_ACC:
2305 	case ETH_TRANSCEIVER_TYPE_1000BASET:
2306 		*p_speed_mask = NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_1G;
2307 		break;
2308 	case ETH_TRANSCEIVER_TYPE_10G_SR:
2309 	case ETH_TRANSCEIVER_TYPE_10G_LR:
2310 	case ETH_TRANSCEIVER_TYPE_10G_LRM:
2311 	case ETH_TRANSCEIVER_TYPE_10G_ER:
2312 	case ETH_TRANSCEIVER_TYPE_10G_PCC:
2313 	case ETH_TRANSCEIVER_TYPE_10G_ACC:
2314 	case ETH_TRANSCEIVER_TYPE_4x10G:
2315 		*p_speed_mask = NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_10G;
2316 		break;
2317 	case ETH_TRANSCEIVER_TYPE_40G_LR4:
2318 	case ETH_TRANSCEIVER_TYPE_40G_SR4:
2319 	case ETH_TRANSCEIVER_TYPE_MULTI_RATE_10G_40G_SR:
2320 	case ETH_TRANSCEIVER_TYPE_MULTI_RATE_10G_40G_LR:
2321 		*p_speed_mask = NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_40G |
2322 		    NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_10G;
2323 		break;
2324 	case ETH_TRANSCEIVER_TYPE_100G_AOC:
2325 	case ETH_TRANSCEIVER_TYPE_100G_SR4:
2326 	case ETH_TRANSCEIVER_TYPE_100G_LR4:
2327 	case ETH_TRANSCEIVER_TYPE_100G_ER4:
2328 	case ETH_TRANSCEIVER_TYPE_100G_ACC:
2329 		*p_speed_mask =
2330 		    NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_BB_100G |
2331 		    NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_25G;
2332 		break;
2333 	case ETH_TRANSCEIVER_TYPE_25G_SR:
2334 	case ETH_TRANSCEIVER_TYPE_25G_LR:
2335 	case ETH_TRANSCEIVER_TYPE_25G_AOC:
2336 	case ETH_TRANSCEIVER_TYPE_25G_ACC_S:
2337 	case ETH_TRANSCEIVER_TYPE_25G_ACC_M:
2338 	case ETH_TRANSCEIVER_TYPE_25G_ACC_L:
2339 		*p_speed_mask = NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_25G;
2340 		break;
2341 	case ETH_TRANSCEIVER_TYPE_25G_CA_N:
2342 	case ETH_TRANSCEIVER_TYPE_25G_CA_S:
2343 	case ETH_TRANSCEIVER_TYPE_25G_CA_L:
2344 	case ETH_TRANSCEIVER_TYPE_4x25G_CR:
2345 		*p_speed_mask = NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_25G |
2346 		    NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_10G |
2347 		    NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_1G;
2348 		break;
2349 	case ETH_TRANSCEIVER_TYPE_MULTI_RATE_10G_25G_SR:
2350 	case ETH_TRANSCEIVER_TYPE_MULTI_RATE_10G_25G_LR:
2351 		*p_speed_mask = NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_25G |
2352 				NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_10G;
2353 		break;
2354 	case ETH_TRANSCEIVER_TYPE_40G_CR4:
2355 	case ETH_TRANSCEIVER_TYPE_MULTI_RATE_10G_40G_CR:
2356 		*p_speed_mask = NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_40G |
2357 		    NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_10G |
2358 		    NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_1G;
2359 		break;
2360 	case ETH_TRANSCEIVER_TYPE_100G_CR4:
2361 	case ETH_TRANSCEIVER_TYPE_MULTI_RATE_40G_100G_CR:
2362 		*p_speed_mask =
2363 		    NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_BB_100G |
2364 		    NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_50G |
2365 		    NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_40G |
2366 		    NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_25G |
2367 		    NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_20G |
2368 		    NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_10G |
2369 		    NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_1G;
2370 		break;
2371 	case ETH_TRANSCEIVER_TYPE_MULTI_RATE_40G_100G_SR:
2372 	case ETH_TRANSCEIVER_TYPE_MULTI_RATE_40G_100G_LR:
2373 	case ETH_TRANSCEIVER_TYPE_MULTI_RATE_40G_100G_AOC:
2374 		*p_speed_mask =
2375 		    NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_BB_100G |
2376 		    NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_40G |
2377 		    NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_25G |
2378 		    NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_10G;
2379 		break;
2380 	case ETH_TRANSCEIVER_TYPE_XLPPI:
2381 		*p_speed_mask = NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_40G;
2382 		break;
2383 	case ETH_TRANSCEIVER_TYPE_10G_BASET:
2384 	case ETH_TRANSCEIVER_TYPE_MULTI_RATE_1G_10G_SR:
2385 	case ETH_TRANSCEIVER_TYPE_MULTI_RATE_1G_10G_LR:
2386 		*p_speed_mask = NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_10G |
2387 				NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_1G;
2388 		break;
2389 	default:
2390 		DP_INFO(p_hwfn, "Unknown transceiver type 0x%x\n",
2391 			transceiver_type);
2392 		*p_speed_mask = 0xff;
2393 		break;
2394 	}
2395 
2396 	return 0;
2397 }
2398 
qed_mcp_get_board_config(struct qed_hwfn * p_hwfn,struct qed_ptt * p_ptt,u32 * p_board_config)2399 int qed_mcp_get_board_config(struct qed_hwfn *p_hwfn,
2400 			     struct qed_ptt *p_ptt, u32 *p_board_config)
2401 {
2402 	u32 nvm_cfg_addr, nvm_cfg1_offset, port_cfg_addr;
2403 
2404 	if (IS_VF(p_hwfn->cdev))
2405 		return -EINVAL;
2406 
2407 	if (!qed_mcp_is_init(p_hwfn)) {
2408 		DP_NOTICE(p_hwfn, "MFW is not initialized!\n");
2409 		return -EBUSY;
2410 	}
2411 	if (!p_ptt) {
2412 		*p_board_config = NVM_CFG1_PORT_PORT_TYPE_UNDEFINED;
2413 		return -EINVAL;
2414 	}
2415 
2416 	nvm_cfg_addr = qed_rd(p_hwfn, p_ptt, MISC_REG_GEN_PURP_CR0);
2417 	nvm_cfg1_offset = qed_rd(p_hwfn, p_ptt, nvm_cfg_addr + 4);
2418 	port_cfg_addr = MCP_REG_SCRATCH + nvm_cfg1_offset +
2419 			offsetof(struct nvm_cfg1, port[MFW_PORT(p_hwfn)]);
2420 	*p_board_config = qed_rd(p_hwfn, p_ptt,
2421 				 port_cfg_addr +
2422 				 offsetof(struct nvm_cfg1_port,
2423 					  board_cfg));
2424 
2425 	return 0;
2426 }
2427 
2428 /* Old MFW has a global configuration for all PFs regarding RDMA support */
2429 static void
qed_mcp_get_shmem_proto_legacy(struct qed_hwfn * p_hwfn,enum qed_pci_personality * p_proto)2430 qed_mcp_get_shmem_proto_legacy(struct qed_hwfn *p_hwfn,
2431 			       enum qed_pci_personality *p_proto)
2432 {
2433 	/* There wasn't ever a legacy MFW that published iwarp.
2434 	 * So at this point, this is either plain l2 or RoCE.
2435 	 */
2436 	if (test_bit(QED_DEV_CAP_ROCE, &p_hwfn->hw_info.device_capabilities))
2437 		*p_proto = QED_PCI_ETH_ROCE;
2438 	else
2439 		*p_proto = QED_PCI_ETH;
2440 
2441 	DP_VERBOSE(p_hwfn, NETIF_MSG_IFUP,
2442 		   "According to Legacy capabilities, L2 personality is %08x\n",
2443 		   (u32)*p_proto);
2444 }
2445 
2446 static int
qed_mcp_get_shmem_proto_mfw(struct qed_hwfn * p_hwfn,struct qed_ptt * p_ptt,enum qed_pci_personality * p_proto)2447 qed_mcp_get_shmem_proto_mfw(struct qed_hwfn *p_hwfn,
2448 			    struct qed_ptt *p_ptt,
2449 			    enum qed_pci_personality *p_proto)
2450 {
2451 	u32 resp = 0, param = 0;
2452 	int rc;
2453 
2454 	rc = qed_mcp_cmd(p_hwfn, p_ptt,
2455 			 DRV_MSG_CODE_GET_PF_RDMA_PROTOCOL, 0, &resp, &param);
2456 	if (rc)
2457 		return rc;
2458 	if (resp != FW_MSG_CODE_OK) {
2459 		DP_VERBOSE(p_hwfn, NETIF_MSG_IFUP,
2460 			   "MFW lacks support for command; Returns %08x\n",
2461 			   resp);
2462 		return -EINVAL;
2463 	}
2464 
2465 	switch (param) {
2466 	case FW_MB_PARAM_GET_PF_RDMA_NONE:
2467 		*p_proto = QED_PCI_ETH;
2468 		break;
2469 	case FW_MB_PARAM_GET_PF_RDMA_ROCE:
2470 		*p_proto = QED_PCI_ETH_ROCE;
2471 		break;
2472 	case FW_MB_PARAM_GET_PF_RDMA_IWARP:
2473 		*p_proto = QED_PCI_ETH_IWARP;
2474 		break;
2475 	case FW_MB_PARAM_GET_PF_RDMA_BOTH:
2476 		*p_proto = QED_PCI_ETH_RDMA;
2477 		break;
2478 	default:
2479 		DP_NOTICE(p_hwfn,
2480 			  "MFW answers GET_PF_RDMA_PROTOCOL but param is %08x\n",
2481 			  param);
2482 		return -EINVAL;
2483 	}
2484 
2485 	DP_VERBOSE(p_hwfn,
2486 		   NETIF_MSG_IFUP,
2487 		   "According to capabilities, L2 personality is %08x [resp %08x param %08x]\n",
2488 		   (u32)*p_proto, resp, param);
2489 	return 0;
2490 }
2491 
2492 static int
qed_mcp_get_shmem_proto(struct qed_hwfn * p_hwfn,struct public_func * p_info,struct qed_ptt * p_ptt,enum qed_pci_personality * p_proto)2493 qed_mcp_get_shmem_proto(struct qed_hwfn *p_hwfn,
2494 			struct public_func *p_info,
2495 			struct qed_ptt *p_ptt,
2496 			enum qed_pci_personality *p_proto)
2497 {
2498 	int rc = 0;
2499 
2500 	switch (p_info->config & FUNC_MF_CFG_PROTOCOL_MASK) {
2501 	case FUNC_MF_CFG_PROTOCOL_ETHERNET:
2502 		if (!IS_ENABLED(CONFIG_QED_RDMA))
2503 			*p_proto = QED_PCI_ETH;
2504 		else if (qed_mcp_get_shmem_proto_mfw(p_hwfn, p_ptt, p_proto))
2505 			qed_mcp_get_shmem_proto_legacy(p_hwfn, p_proto);
2506 		break;
2507 	case FUNC_MF_CFG_PROTOCOL_ISCSI:
2508 		*p_proto = QED_PCI_ISCSI;
2509 		break;
2510 	case FUNC_MF_CFG_PROTOCOL_FCOE:
2511 		*p_proto = QED_PCI_FCOE;
2512 		break;
2513 	case FUNC_MF_CFG_PROTOCOL_ROCE:
2514 		DP_NOTICE(p_hwfn, "RoCE personality is not a valid value!\n");
2515 		fallthrough;
2516 	default:
2517 		rc = -EINVAL;
2518 	}
2519 
2520 	return rc;
2521 }
2522 
qed_mcp_fill_shmem_func_info(struct qed_hwfn * p_hwfn,struct qed_ptt * p_ptt)2523 int qed_mcp_fill_shmem_func_info(struct qed_hwfn *p_hwfn,
2524 				 struct qed_ptt *p_ptt)
2525 {
2526 	struct qed_mcp_function_info *info;
2527 	struct public_func shmem_info;
2528 
2529 	qed_mcp_get_shmem_func(p_hwfn, p_ptt, &shmem_info, MCP_PF_ID(p_hwfn));
2530 	info = &p_hwfn->mcp_info->func_info;
2531 
2532 	info->pause_on_host = (shmem_info.config &
2533 			       FUNC_MF_CFG_PAUSE_ON_HOST_RING) ? 1 : 0;
2534 
2535 	if (qed_mcp_get_shmem_proto(p_hwfn, &shmem_info, p_ptt,
2536 				    &info->protocol)) {
2537 		DP_ERR(p_hwfn, "Unknown personality %08x\n",
2538 		       (u32)(shmem_info.config & FUNC_MF_CFG_PROTOCOL_MASK));
2539 		return -EINVAL;
2540 	}
2541 
2542 	qed_read_pf_bandwidth(p_hwfn, &shmem_info);
2543 
2544 	if (shmem_info.mac_upper || shmem_info.mac_lower) {
2545 		info->mac[0] = (u8)(shmem_info.mac_upper >> 8);
2546 		info->mac[1] = (u8)(shmem_info.mac_upper);
2547 		info->mac[2] = (u8)(shmem_info.mac_lower >> 24);
2548 		info->mac[3] = (u8)(shmem_info.mac_lower >> 16);
2549 		info->mac[4] = (u8)(shmem_info.mac_lower >> 8);
2550 		info->mac[5] = (u8)(shmem_info.mac_lower);
2551 
2552 		/* Store primary MAC for later possible WoL */
2553 		memcpy(&p_hwfn->cdev->wol_mac, info->mac, ETH_ALEN);
2554 	} else {
2555 		DP_NOTICE(p_hwfn, "MAC is 0 in shmem\n");
2556 	}
2557 
2558 	info->wwn_port = (u64)shmem_info.fcoe_wwn_port_name_lower |
2559 			 (((u64)shmem_info.fcoe_wwn_port_name_upper) << 32);
2560 	info->wwn_node = (u64)shmem_info.fcoe_wwn_node_name_lower |
2561 			 (((u64)shmem_info.fcoe_wwn_node_name_upper) << 32);
2562 
2563 	info->ovlan = (u16)(shmem_info.ovlan_stag & FUNC_MF_CFG_OV_STAG_MASK);
2564 
2565 	info->mtu = (u16)shmem_info.mtu_size;
2566 
2567 	p_hwfn->hw_info.b_wol_support = QED_WOL_SUPPORT_NONE;
2568 	p_hwfn->cdev->wol_config = (u8)QED_OV_WOL_DEFAULT;
2569 	if (qed_mcp_is_init(p_hwfn)) {
2570 		u32 resp = 0, param = 0;
2571 		int rc;
2572 
2573 		rc = qed_mcp_cmd(p_hwfn, p_ptt,
2574 				 DRV_MSG_CODE_OS_WOL, 0, &resp, &param);
2575 		if (rc)
2576 			return rc;
2577 		if (resp == FW_MSG_CODE_OS_WOL_SUPPORTED)
2578 			p_hwfn->hw_info.b_wol_support = QED_WOL_SUPPORT_PME;
2579 	}
2580 
2581 	DP_VERBOSE(p_hwfn, (QED_MSG_SP | NETIF_MSG_IFUP),
2582 		   "Read configuration from shmem: pause_on_host %02x protocol %02x BW [%02x - %02x] MAC %pM wwn port %llx node %llx ovlan %04x wol %02x\n",
2583 		info->pause_on_host, info->protocol,
2584 		info->bandwidth_min, info->bandwidth_max,
2585 		info->mac,
2586 		info->wwn_port, info->wwn_node,
2587 		info->ovlan, (u8)p_hwfn->hw_info.b_wol_support);
2588 
2589 	return 0;
2590 }
2591 
2592 struct qed_mcp_link_params
qed_mcp_get_link_params(struct qed_hwfn * p_hwfn)2593 *qed_mcp_get_link_params(struct qed_hwfn *p_hwfn)
2594 {
2595 	if (!p_hwfn || !p_hwfn->mcp_info)
2596 		return NULL;
2597 	return &p_hwfn->mcp_info->link_input;
2598 }
2599 
2600 struct qed_mcp_link_state
qed_mcp_get_link_state(struct qed_hwfn * p_hwfn)2601 *qed_mcp_get_link_state(struct qed_hwfn *p_hwfn)
2602 {
2603 	if (!p_hwfn || !p_hwfn->mcp_info)
2604 		return NULL;
2605 	return &p_hwfn->mcp_info->link_output;
2606 }
2607 
2608 struct qed_mcp_link_capabilities
qed_mcp_get_link_capabilities(struct qed_hwfn * p_hwfn)2609 *qed_mcp_get_link_capabilities(struct qed_hwfn *p_hwfn)
2610 {
2611 	if (!p_hwfn || !p_hwfn->mcp_info)
2612 		return NULL;
2613 	return &p_hwfn->mcp_info->link_capabilities;
2614 }
2615 
qed_mcp_drain(struct qed_hwfn * p_hwfn,struct qed_ptt * p_ptt)2616 int qed_mcp_drain(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
2617 {
2618 	u32 resp = 0, param = 0;
2619 	int rc;
2620 
2621 	rc = qed_mcp_cmd(p_hwfn, p_ptt,
2622 			 DRV_MSG_CODE_NIG_DRAIN, 1000, &resp, &param);
2623 
2624 	/* Wait for the drain to complete before returning */
2625 	msleep(1020);
2626 
2627 	return rc;
2628 }
2629 
qed_mcp_get_flash_size(struct qed_hwfn * p_hwfn,struct qed_ptt * p_ptt,u32 * p_flash_size)2630 int qed_mcp_get_flash_size(struct qed_hwfn *p_hwfn,
2631 			   struct qed_ptt *p_ptt, u32 *p_flash_size)
2632 {
2633 	u32 flash_size;
2634 
2635 	if (IS_VF(p_hwfn->cdev))
2636 		return -EINVAL;
2637 
2638 	flash_size = qed_rd(p_hwfn, p_ptt, MCP_REG_NVM_CFG4);
2639 	flash_size = (flash_size & MCP_REG_NVM_CFG4_FLASH_SIZE) >>
2640 		      MCP_REG_NVM_CFG4_FLASH_SIZE_SHIFT;
2641 	flash_size = (1 << (flash_size + MCP_BYTES_PER_MBIT_SHIFT));
2642 
2643 	*p_flash_size = flash_size;
2644 
2645 	return 0;
2646 }
2647 
qed_start_recovery_process(struct qed_hwfn * p_hwfn,struct qed_ptt * p_ptt)2648 int qed_start_recovery_process(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
2649 {
2650 	struct qed_dev *cdev = p_hwfn->cdev;
2651 
2652 	if (cdev->recov_in_prog) {
2653 		DP_NOTICE(p_hwfn,
2654 			  "Avoid triggering a recovery since such a process is already in progress\n");
2655 		return -EAGAIN;
2656 	}
2657 
2658 	DP_NOTICE(p_hwfn, "Triggering a recovery process\n");
2659 	qed_wr(p_hwfn, p_ptt, MISC_REG_AEU_GENERAL_ATTN_35, 0x1);
2660 
2661 	return 0;
2662 }
2663 
2664 #define QED_RECOVERY_PROLOG_SLEEP_MS    100
2665 
qed_recovery_prolog(struct qed_dev * cdev)2666 int qed_recovery_prolog(struct qed_dev *cdev)
2667 {
2668 	struct qed_hwfn *p_hwfn = QED_LEADING_HWFN(cdev);
2669 	struct qed_ptt *p_ptt = p_hwfn->p_main_ptt;
2670 	int rc;
2671 
2672 	/* Allow ongoing PCIe transactions to complete */
2673 	msleep(QED_RECOVERY_PROLOG_SLEEP_MS);
2674 
2675 	/* Clear the PF's internal FID_enable in the PXP */
2676 	rc = qed_pglueb_set_pfid_enable(p_hwfn, p_ptt, false);
2677 	if (rc)
2678 		DP_NOTICE(p_hwfn,
2679 			  "qed_pglueb_set_pfid_enable() failed. rc = %d.\n",
2680 			  rc);
2681 
2682 	return rc;
2683 }
2684 
2685 static int
qed_mcp_config_vf_msix_bb(struct qed_hwfn * p_hwfn,struct qed_ptt * p_ptt,u8 vf_id,u8 num)2686 qed_mcp_config_vf_msix_bb(struct qed_hwfn *p_hwfn,
2687 			  struct qed_ptt *p_ptt, u8 vf_id, u8 num)
2688 {
2689 	u32 resp = 0, param = 0, rc_param = 0;
2690 	int rc;
2691 
2692 	/* Only Leader can configure MSIX, and need to take CMT into account */
2693 	if (!IS_LEAD_HWFN(p_hwfn))
2694 		return 0;
2695 	num *= p_hwfn->cdev->num_hwfns;
2696 
2697 	param |= (vf_id << DRV_MB_PARAM_CFG_VF_MSIX_VF_ID_SHIFT) &
2698 		 DRV_MB_PARAM_CFG_VF_MSIX_VF_ID_MASK;
2699 	param |= (num << DRV_MB_PARAM_CFG_VF_MSIX_SB_NUM_SHIFT) &
2700 		 DRV_MB_PARAM_CFG_VF_MSIX_SB_NUM_MASK;
2701 
2702 	rc = qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_CFG_VF_MSIX, param,
2703 			 &resp, &rc_param);
2704 
2705 	if (resp != FW_MSG_CODE_DRV_CFG_VF_MSIX_DONE) {
2706 		DP_NOTICE(p_hwfn, "VF[%d]: MFW failed to set MSI-X\n", vf_id);
2707 		rc = -EINVAL;
2708 	} else {
2709 		DP_VERBOSE(p_hwfn, QED_MSG_IOV,
2710 			   "Requested 0x%02x MSI-x interrupts from VF 0x%02x\n",
2711 			   num, vf_id);
2712 	}
2713 
2714 	return rc;
2715 }
2716 
2717 static int
qed_mcp_config_vf_msix_ah(struct qed_hwfn * p_hwfn,struct qed_ptt * p_ptt,u8 num)2718 qed_mcp_config_vf_msix_ah(struct qed_hwfn *p_hwfn,
2719 			  struct qed_ptt *p_ptt, u8 num)
2720 {
2721 	u32 resp = 0, param = num, rc_param = 0;
2722 	int rc;
2723 
2724 	rc = qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_CFG_PF_VFS_MSIX,
2725 			 param, &resp, &rc_param);
2726 
2727 	if (resp != FW_MSG_CODE_DRV_CFG_PF_VFS_MSIX_DONE) {
2728 		DP_NOTICE(p_hwfn, "MFW failed to set MSI-X for VFs\n");
2729 		rc = -EINVAL;
2730 	} else {
2731 		DP_VERBOSE(p_hwfn, QED_MSG_IOV,
2732 			   "Requested 0x%02x MSI-x interrupts for VFs\n", num);
2733 	}
2734 
2735 	return rc;
2736 }
2737 
qed_mcp_config_vf_msix(struct qed_hwfn * p_hwfn,struct qed_ptt * p_ptt,u8 vf_id,u8 num)2738 int qed_mcp_config_vf_msix(struct qed_hwfn *p_hwfn,
2739 			   struct qed_ptt *p_ptt, u8 vf_id, u8 num)
2740 {
2741 	if (QED_IS_BB(p_hwfn->cdev))
2742 		return qed_mcp_config_vf_msix_bb(p_hwfn, p_ptt, vf_id, num);
2743 	else
2744 		return qed_mcp_config_vf_msix_ah(p_hwfn, p_ptt, num);
2745 }
2746 
2747 int
qed_mcp_send_drv_version(struct qed_hwfn * p_hwfn,struct qed_ptt * p_ptt,struct qed_mcp_drv_version * p_ver)2748 qed_mcp_send_drv_version(struct qed_hwfn *p_hwfn,
2749 			 struct qed_ptt *p_ptt,
2750 			 struct qed_mcp_drv_version *p_ver)
2751 {
2752 	struct qed_mcp_mb_params mb_params;
2753 	struct drv_version_stc drv_version;
2754 	__be32 val;
2755 	u32 i;
2756 	int rc;
2757 
2758 	memset(&drv_version, 0, sizeof(drv_version));
2759 	drv_version.version = p_ver->version;
2760 	for (i = 0; i < (MCP_DRV_VER_STR_SIZE - 4) / sizeof(u32); i++) {
2761 		val = cpu_to_be32(*((u32 *)&p_ver->name[i * sizeof(u32)]));
2762 		*(__be32 *)&drv_version.name[i * sizeof(u32)] = val;
2763 	}
2764 
2765 	memset(&mb_params, 0, sizeof(mb_params));
2766 	mb_params.cmd = DRV_MSG_CODE_SET_VERSION;
2767 	mb_params.p_data_src = &drv_version;
2768 	mb_params.data_src_size = sizeof(drv_version);
2769 	rc = qed_mcp_cmd_and_union(p_hwfn, p_ptt, &mb_params);
2770 	if (rc)
2771 		DP_ERR(p_hwfn, "MCP response failure, aborting\n");
2772 
2773 	return rc;
2774 }
2775 
2776 /* A maximal 100 msec waiting time for the MCP to halt */
2777 #define QED_MCP_HALT_SLEEP_MS		10
2778 #define QED_MCP_HALT_MAX_RETRIES	10
2779 
qed_mcp_halt(struct qed_hwfn * p_hwfn,struct qed_ptt * p_ptt)2780 int qed_mcp_halt(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
2781 {
2782 	u32 resp = 0, param = 0, cpu_state, cnt = 0;
2783 	int rc;
2784 
2785 	rc = qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_MCP_HALT, 0, &resp,
2786 			 &param);
2787 	if (rc) {
2788 		DP_ERR(p_hwfn, "MCP response failure, aborting\n");
2789 		return rc;
2790 	}
2791 
2792 	do {
2793 		msleep(QED_MCP_HALT_SLEEP_MS);
2794 		cpu_state = qed_rd(p_hwfn, p_ptt, MCP_REG_CPU_STATE);
2795 		if (cpu_state & MCP_REG_CPU_STATE_SOFT_HALTED)
2796 			break;
2797 	} while (++cnt < QED_MCP_HALT_MAX_RETRIES);
2798 
2799 	if (cnt == QED_MCP_HALT_MAX_RETRIES) {
2800 		DP_NOTICE(p_hwfn,
2801 			  "Failed to halt the MCP [CPU_MODE = 0x%08x, CPU_STATE = 0x%08x]\n",
2802 			  qed_rd(p_hwfn, p_ptt, MCP_REG_CPU_MODE), cpu_state);
2803 		return -EBUSY;
2804 	}
2805 
2806 	qed_mcp_cmd_set_blocking(p_hwfn, true);
2807 
2808 	return 0;
2809 }
2810 
2811 #define QED_MCP_RESUME_SLEEP_MS	10
2812 
qed_mcp_resume(struct qed_hwfn * p_hwfn,struct qed_ptt * p_ptt)2813 int qed_mcp_resume(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
2814 {
2815 	u32 cpu_mode, cpu_state;
2816 
2817 	qed_wr(p_hwfn, p_ptt, MCP_REG_CPU_STATE, 0xffffffff);
2818 
2819 	cpu_mode = qed_rd(p_hwfn, p_ptt, MCP_REG_CPU_MODE);
2820 	cpu_mode &= ~MCP_REG_CPU_MODE_SOFT_HALT;
2821 	qed_wr(p_hwfn, p_ptt, MCP_REG_CPU_MODE, cpu_mode);
2822 	msleep(QED_MCP_RESUME_SLEEP_MS);
2823 	cpu_state = qed_rd(p_hwfn, p_ptt, MCP_REG_CPU_STATE);
2824 
2825 	if (cpu_state & MCP_REG_CPU_STATE_SOFT_HALTED) {
2826 		DP_NOTICE(p_hwfn,
2827 			  "Failed to resume the MCP [CPU_MODE = 0x%08x, CPU_STATE = 0x%08x]\n",
2828 			  cpu_mode, cpu_state);
2829 		return -EBUSY;
2830 	}
2831 
2832 	qed_mcp_cmd_set_blocking(p_hwfn, false);
2833 
2834 	return 0;
2835 }
2836 
qed_mcp_ov_update_current_config(struct qed_hwfn * p_hwfn,struct qed_ptt * p_ptt,enum qed_ov_client client)2837 int qed_mcp_ov_update_current_config(struct qed_hwfn *p_hwfn,
2838 				     struct qed_ptt *p_ptt,
2839 				     enum qed_ov_client client)
2840 {
2841 	u32 resp = 0, param = 0;
2842 	u32 drv_mb_param;
2843 	int rc;
2844 
2845 	switch (client) {
2846 	case QED_OV_CLIENT_DRV:
2847 		drv_mb_param = DRV_MB_PARAM_OV_CURR_CFG_OS;
2848 		break;
2849 	case QED_OV_CLIENT_USER:
2850 		drv_mb_param = DRV_MB_PARAM_OV_CURR_CFG_OTHER;
2851 		break;
2852 	case QED_OV_CLIENT_VENDOR_SPEC:
2853 		drv_mb_param = DRV_MB_PARAM_OV_CURR_CFG_VENDOR_SPEC;
2854 		break;
2855 	default:
2856 		DP_NOTICE(p_hwfn, "Invalid client type %d\n", client);
2857 		return -EINVAL;
2858 	}
2859 
2860 	rc = qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_OV_UPDATE_CURR_CFG,
2861 			 drv_mb_param, &resp, &param);
2862 	if (rc)
2863 		DP_ERR(p_hwfn, "MCP response failure, aborting\n");
2864 
2865 	return rc;
2866 }
2867 
qed_mcp_ov_update_driver_state(struct qed_hwfn * p_hwfn,struct qed_ptt * p_ptt,enum qed_ov_driver_state drv_state)2868 int qed_mcp_ov_update_driver_state(struct qed_hwfn *p_hwfn,
2869 				   struct qed_ptt *p_ptt,
2870 				   enum qed_ov_driver_state drv_state)
2871 {
2872 	u32 resp = 0, param = 0;
2873 	u32 drv_mb_param;
2874 	int rc;
2875 
2876 	switch (drv_state) {
2877 	case QED_OV_DRIVER_STATE_NOT_LOADED:
2878 		drv_mb_param = DRV_MSG_CODE_OV_UPDATE_DRIVER_STATE_NOT_LOADED;
2879 		break;
2880 	case QED_OV_DRIVER_STATE_DISABLED:
2881 		drv_mb_param = DRV_MSG_CODE_OV_UPDATE_DRIVER_STATE_DISABLED;
2882 		break;
2883 	case QED_OV_DRIVER_STATE_ACTIVE:
2884 		drv_mb_param = DRV_MSG_CODE_OV_UPDATE_DRIVER_STATE_ACTIVE;
2885 		break;
2886 	default:
2887 		DP_NOTICE(p_hwfn, "Invalid driver state %d\n", drv_state);
2888 		return -EINVAL;
2889 	}
2890 
2891 	rc = qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_OV_UPDATE_DRIVER_STATE,
2892 			 drv_mb_param, &resp, &param);
2893 	if (rc)
2894 		DP_ERR(p_hwfn, "Failed to send driver state\n");
2895 
2896 	return rc;
2897 }
2898 
qed_mcp_ov_update_mtu(struct qed_hwfn * p_hwfn,struct qed_ptt * p_ptt,u16 mtu)2899 int qed_mcp_ov_update_mtu(struct qed_hwfn *p_hwfn,
2900 			  struct qed_ptt *p_ptt, u16 mtu)
2901 {
2902 	u32 resp = 0, param = 0;
2903 	u32 drv_mb_param;
2904 	int rc;
2905 
2906 	drv_mb_param = (u32)mtu << DRV_MB_PARAM_OV_MTU_SIZE_SHIFT;
2907 	rc = qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_OV_UPDATE_MTU,
2908 			 drv_mb_param, &resp, &param);
2909 	if (rc)
2910 		DP_ERR(p_hwfn, "Failed to send mtu value, rc = %d\n", rc);
2911 
2912 	return rc;
2913 }
2914 
qed_mcp_ov_update_mac(struct qed_hwfn * p_hwfn,struct qed_ptt * p_ptt,const u8 * mac)2915 int qed_mcp_ov_update_mac(struct qed_hwfn *p_hwfn,
2916 			  struct qed_ptt *p_ptt, const u8 *mac)
2917 {
2918 	struct qed_mcp_mb_params mb_params;
2919 	u32 mfw_mac[2];
2920 	int rc;
2921 
2922 	memset(&mb_params, 0, sizeof(mb_params));
2923 	mb_params.cmd = DRV_MSG_CODE_SET_VMAC;
2924 	mb_params.param = DRV_MSG_CODE_VMAC_TYPE_MAC <<
2925 			  DRV_MSG_CODE_VMAC_TYPE_SHIFT;
2926 	mb_params.param |= MCP_PF_ID(p_hwfn);
2927 
2928 	/* MCP is BE, and on LE platforms PCI would swap access to SHMEM
2929 	 * in 32-bit granularity.
2930 	 * So the MAC has to be set in native order [and not byte order],
2931 	 * otherwise it would be read incorrectly by MFW after swap.
2932 	 */
2933 	mfw_mac[0] = mac[0] << 24 | mac[1] << 16 | mac[2] << 8 | mac[3];
2934 	mfw_mac[1] = mac[4] << 24 | mac[5] << 16;
2935 
2936 	mb_params.p_data_src = (u8 *)mfw_mac;
2937 	mb_params.data_src_size = 8;
2938 	rc = qed_mcp_cmd_and_union(p_hwfn, p_ptt, &mb_params);
2939 	if (rc)
2940 		DP_ERR(p_hwfn, "Failed to send mac address, rc = %d\n", rc);
2941 
2942 	/* Store primary MAC for later possible WoL */
2943 	memcpy(p_hwfn->cdev->wol_mac, mac, ETH_ALEN);
2944 
2945 	return rc;
2946 }
2947 
qed_mcp_ov_update_wol(struct qed_hwfn * p_hwfn,struct qed_ptt * p_ptt,enum qed_ov_wol wol)2948 int qed_mcp_ov_update_wol(struct qed_hwfn *p_hwfn,
2949 			  struct qed_ptt *p_ptt, enum qed_ov_wol wol)
2950 {
2951 	u32 resp = 0, param = 0;
2952 	u32 drv_mb_param;
2953 	int rc;
2954 
2955 	if (p_hwfn->hw_info.b_wol_support == QED_WOL_SUPPORT_NONE) {
2956 		DP_VERBOSE(p_hwfn, QED_MSG_SP,
2957 			   "Can't change WoL configuration when WoL isn't supported\n");
2958 		return -EINVAL;
2959 	}
2960 
2961 	switch (wol) {
2962 	case QED_OV_WOL_DEFAULT:
2963 		drv_mb_param = DRV_MB_PARAM_WOL_DEFAULT;
2964 		break;
2965 	case QED_OV_WOL_DISABLED:
2966 		drv_mb_param = DRV_MB_PARAM_WOL_DISABLED;
2967 		break;
2968 	case QED_OV_WOL_ENABLED:
2969 		drv_mb_param = DRV_MB_PARAM_WOL_ENABLED;
2970 		break;
2971 	default:
2972 		DP_ERR(p_hwfn, "Invalid wol state %d\n", wol);
2973 		return -EINVAL;
2974 	}
2975 
2976 	rc = qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_OV_UPDATE_WOL,
2977 			 drv_mb_param, &resp, &param);
2978 	if (rc)
2979 		DP_ERR(p_hwfn, "Failed to send wol mode, rc = %d\n", rc);
2980 
2981 	/* Store the WoL update for a future unload */
2982 	p_hwfn->cdev->wol_config = (u8)wol;
2983 
2984 	return rc;
2985 }
2986 
qed_mcp_ov_update_eswitch(struct qed_hwfn * p_hwfn,struct qed_ptt * p_ptt,enum qed_ov_eswitch eswitch)2987 int qed_mcp_ov_update_eswitch(struct qed_hwfn *p_hwfn,
2988 			      struct qed_ptt *p_ptt,
2989 			      enum qed_ov_eswitch eswitch)
2990 {
2991 	u32 resp = 0, param = 0;
2992 	u32 drv_mb_param;
2993 	int rc;
2994 
2995 	switch (eswitch) {
2996 	case QED_OV_ESWITCH_NONE:
2997 		drv_mb_param = DRV_MB_PARAM_ESWITCH_MODE_NONE;
2998 		break;
2999 	case QED_OV_ESWITCH_VEB:
3000 		drv_mb_param = DRV_MB_PARAM_ESWITCH_MODE_VEB;
3001 		break;
3002 	case QED_OV_ESWITCH_VEPA:
3003 		drv_mb_param = DRV_MB_PARAM_ESWITCH_MODE_VEPA;
3004 		break;
3005 	default:
3006 		DP_ERR(p_hwfn, "Invalid eswitch mode %d\n", eswitch);
3007 		return -EINVAL;
3008 	}
3009 
3010 	rc = qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_OV_UPDATE_ESWITCH_MODE,
3011 			 drv_mb_param, &resp, &param);
3012 	if (rc)
3013 		DP_ERR(p_hwfn, "Failed to send eswitch mode, rc = %d\n", rc);
3014 
3015 	return rc;
3016 }
3017 
qed_mcp_set_led(struct qed_hwfn * p_hwfn,struct qed_ptt * p_ptt,enum qed_led_mode mode)3018 int qed_mcp_set_led(struct qed_hwfn *p_hwfn,
3019 		    struct qed_ptt *p_ptt, enum qed_led_mode mode)
3020 {
3021 	u32 resp = 0, param = 0, drv_mb_param;
3022 	int rc;
3023 
3024 	switch (mode) {
3025 	case QED_LED_MODE_ON:
3026 		drv_mb_param = DRV_MB_PARAM_SET_LED_MODE_ON;
3027 		break;
3028 	case QED_LED_MODE_OFF:
3029 		drv_mb_param = DRV_MB_PARAM_SET_LED_MODE_OFF;
3030 		break;
3031 	case QED_LED_MODE_RESTORE:
3032 		drv_mb_param = DRV_MB_PARAM_SET_LED_MODE_OPER;
3033 		break;
3034 	default:
3035 		DP_NOTICE(p_hwfn, "Invalid LED mode %d\n", mode);
3036 		return -EINVAL;
3037 	}
3038 
3039 	rc = qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_SET_LED_MODE,
3040 			 drv_mb_param, &resp, &param);
3041 
3042 	return rc;
3043 }
3044 
qed_mcp_mask_parities(struct qed_hwfn * p_hwfn,struct qed_ptt * p_ptt,u32 mask_parities)3045 int qed_mcp_mask_parities(struct qed_hwfn *p_hwfn,
3046 			  struct qed_ptt *p_ptt, u32 mask_parities)
3047 {
3048 	u32 resp = 0, param = 0;
3049 	int rc;
3050 
3051 	rc = qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_MASK_PARITIES,
3052 			 mask_parities, &resp, &param);
3053 
3054 	if (rc) {
3055 		DP_ERR(p_hwfn,
3056 		       "MCP response failure for mask parities, aborting\n");
3057 	} else if (resp != FW_MSG_CODE_OK) {
3058 		DP_ERR(p_hwfn,
3059 		       "MCP did not acknowledge mask parity request. Old MFW?\n");
3060 		rc = -EINVAL;
3061 	}
3062 
3063 	return rc;
3064 }
3065 
qed_mcp_nvm_read(struct qed_dev * cdev,u32 addr,u8 * p_buf,u32 len)3066 int qed_mcp_nvm_read(struct qed_dev *cdev, u32 addr, u8 *p_buf, u32 len)
3067 {
3068 	u32 bytes_left = len, offset = 0, bytes_to_copy, read_len = 0;
3069 	struct qed_hwfn *p_hwfn = QED_LEADING_HWFN(cdev);
3070 	u32 resp = 0, resp_param = 0;
3071 	struct qed_ptt *p_ptt;
3072 	int rc = 0;
3073 
3074 	p_ptt = qed_ptt_acquire(p_hwfn);
3075 	if (!p_ptt)
3076 		return -EBUSY;
3077 
3078 	while (bytes_left > 0) {
3079 		bytes_to_copy = min_t(u32, bytes_left, MCP_DRV_NVM_BUF_LEN);
3080 
3081 		rc = qed_mcp_nvm_rd_cmd(p_hwfn, p_ptt,
3082 					DRV_MSG_CODE_NVM_READ_NVRAM,
3083 					addr + offset +
3084 					(bytes_to_copy <<
3085 					 DRV_MB_PARAM_NVM_LEN_OFFSET),
3086 					&resp, &resp_param,
3087 					&read_len,
3088 					(u32 *)(p_buf + offset), false);
3089 
3090 		if (rc || (resp != FW_MSG_CODE_NVM_OK)) {
3091 			DP_NOTICE(cdev, "MCP command rc = %d\n", rc);
3092 			break;
3093 		}
3094 
3095 		/* This can be a lengthy process, and it's possible scheduler
3096 		 * isn't preemptible. Sleep a bit to prevent CPU hogging.
3097 		 */
3098 		if (bytes_left % 0x1000 <
3099 		    (bytes_left - read_len) % 0x1000)
3100 			usleep_range(1000, 2000);
3101 
3102 		offset += read_len;
3103 		bytes_left -= read_len;
3104 	}
3105 
3106 	cdev->mcp_nvm_resp = resp;
3107 	qed_ptt_release(p_hwfn, p_ptt);
3108 
3109 	return rc;
3110 }
3111 
qed_mcp_nvm_resp(struct qed_dev * cdev,u8 * p_buf)3112 int qed_mcp_nvm_resp(struct qed_dev *cdev, u8 *p_buf)
3113 {
3114 	struct qed_hwfn *p_hwfn = QED_LEADING_HWFN(cdev);
3115 	struct qed_ptt *p_ptt;
3116 
3117 	p_ptt = qed_ptt_acquire(p_hwfn);
3118 	if (!p_ptt)
3119 		return -EBUSY;
3120 
3121 	memcpy(p_buf, &cdev->mcp_nvm_resp, sizeof(cdev->mcp_nvm_resp));
3122 	qed_ptt_release(p_hwfn, p_ptt);
3123 
3124 	return 0;
3125 }
3126 
qed_mcp_nvm_write(struct qed_dev * cdev,u32 cmd,u32 addr,u8 * p_buf,u32 len)3127 int qed_mcp_nvm_write(struct qed_dev *cdev,
3128 		      u32 cmd, u32 addr, u8 *p_buf, u32 len)
3129 {
3130 	u32 buf_idx = 0, buf_size, nvm_cmd, nvm_offset, resp = 0, param;
3131 	struct qed_hwfn *p_hwfn = QED_LEADING_HWFN(cdev);
3132 	struct qed_ptt *p_ptt;
3133 	int rc = -EINVAL;
3134 
3135 	p_ptt = qed_ptt_acquire(p_hwfn);
3136 	if (!p_ptt)
3137 		return -EBUSY;
3138 
3139 	switch (cmd) {
3140 	case QED_PUT_FILE_BEGIN:
3141 		nvm_cmd = DRV_MSG_CODE_NVM_PUT_FILE_BEGIN;
3142 		break;
3143 	case QED_PUT_FILE_DATA:
3144 		nvm_cmd = DRV_MSG_CODE_NVM_PUT_FILE_DATA;
3145 		break;
3146 	case QED_NVM_WRITE_NVRAM:
3147 		nvm_cmd = DRV_MSG_CODE_NVM_WRITE_NVRAM;
3148 		break;
3149 	default:
3150 		DP_NOTICE(p_hwfn, "Invalid nvm write command 0x%x\n", cmd);
3151 		rc = -EINVAL;
3152 		goto out;
3153 	}
3154 
3155 	buf_size = min_t(u32, (len - buf_idx), MCP_DRV_NVM_BUF_LEN);
3156 	while (buf_idx < len) {
3157 		if (cmd == QED_PUT_FILE_BEGIN)
3158 			nvm_offset = addr;
3159 		else
3160 			nvm_offset = ((buf_size <<
3161 				       DRV_MB_PARAM_NVM_LEN_OFFSET) | addr) +
3162 				       buf_idx;
3163 		rc = qed_mcp_nvm_wr_cmd(p_hwfn, p_ptt, nvm_cmd, nvm_offset,
3164 					&resp, &param, buf_size,
3165 					(u32 *)&p_buf[buf_idx]);
3166 		if (rc) {
3167 			DP_NOTICE(cdev, "nvm write failed, rc = %d\n", rc);
3168 			resp = FW_MSG_CODE_ERROR;
3169 			break;
3170 		}
3171 
3172 		if (resp != FW_MSG_CODE_OK &&
3173 		    resp != FW_MSG_CODE_NVM_OK &&
3174 		    resp != FW_MSG_CODE_NVM_PUT_FILE_FINISH_OK) {
3175 			DP_NOTICE(cdev,
3176 				  "nvm write failed, resp = 0x%08x\n", resp);
3177 			rc = -EINVAL;
3178 			break;
3179 		}
3180 
3181 		/* This can be a lengthy process, and it's possible scheduler
3182 		 * isn't pre-emptable. Sleep a bit to prevent CPU hogging.
3183 		 */
3184 		if (buf_idx % 0x1000 > (buf_idx + buf_size) % 0x1000)
3185 			usleep_range(1000, 2000);
3186 
3187 		/* For MBI upgrade, MFW response includes the next buffer offset
3188 		 * to be delivered to MFW.
3189 		 */
3190 		if (param && cmd == QED_PUT_FILE_DATA) {
3191 			buf_idx =
3192 			QED_MFW_GET_FIELD(param,
3193 					  FW_MB_PARAM_NVM_PUT_FILE_REQ_OFFSET);
3194 			buf_size =
3195 			QED_MFW_GET_FIELD(param,
3196 					  FW_MB_PARAM_NVM_PUT_FILE_REQ_SIZE);
3197 		} else {
3198 			buf_idx += buf_size;
3199 			buf_size = min_t(u32, (len - buf_idx),
3200 					 MCP_DRV_NVM_BUF_LEN);
3201 		}
3202 	}
3203 
3204 	cdev->mcp_nvm_resp = resp;
3205 out:
3206 	qed_ptt_release(p_hwfn, p_ptt);
3207 
3208 	return rc;
3209 }
3210 
qed_mcp_phy_sfp_read(struct qed_hwfn * p_hwfn,struct qed_ptt * p_ptt,u32 port,u32 addr,u32 offset,u32 len,u8 * p_buf)3211 int qed_mcp_phy_sfp_read(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt,
3212 			 u32 port, u32 addr, u32 offset, u32 len, u8 *p_buf)
3213 {
3214 	u32 bytes_left, bytes_to_copy, buf_size, nvm_offset = 0;
3215 	u32 resp, param;
3216 	int rc;
3217 
3218 	nvm_offset |= (port << DRV_MB_PARAM_TRANSCEIVER_PORT_OFFSET) &
3219 		       DRV_MB_PARAM_TRANSCEIVER_PORT_MASK;
3220 	nvm_offset |= (addr << DRV_MB_PARAM_TRANSCEIVER_I2C_ADDRESS_OFFSET) &
3221 		       DRV_MB_PARAM_TRANSCEIVER_I2C_ADDRESS_MASK;
3222 
3223 	addr = offset;
3224 	offset = 0;
3225 	bytes_left = len;
3226 	while (bytes_left > 0) {
3227 		bytes_to_copy = min_t(u32, bytes_left,
3228 				      MAX_I2C_TRANSACTION_SIZE);
3229 		nvm_offset &= (DRV_MB_PARAM_TRANSCEIVER_I2C_ADDRESS_MASK |
3230 			       DRV_MB_PARAM_TRANSCEIVER_PORT_MASK);
3231 		nvm_offset |= ((addr + offset) <<
3232 			       DRV_MB_PARAM_TRANSCEIVER_OFFSET_OFFSET) &
3233 			       DRV_MB_PARAM_TRANSCEIVER_OFFSET_MASK;
3234 		nvm_offset |= (bytes_to_copy <<
3235 			       DRV_MB_PARAM_TRANSCEIVER_SIZE_OFFSET) &
3236 			       DRV_MB_PARAM_TRANSCEIVER_SIZE_MASK;
3237 		rc = qed_mcp_nvm_rd_cmd(p_hwfn, p_ptt,
3238 					DRV_MSG_CODE_TRANSCEIVER_READ,
3239 					nvm_offset, &resp, &param, &buf_size,
3240 					(u32 *)(p_buf + offset), true);
3241 		if (rc) {
3242 			DP_NOTICE(p_hwfn,
3243 				  "Failed to send a transceiver read command to the MFW. rc = %d.\n",
3244 				  rc);
3245 			return rc;
3246 		}
3247 
3248 		if (resp == FW_MSG_CODE_TRANSCEIVER_NOT_PRESENT)
3249 			return -ENODEV;
3250 		else if (resp != FW_MSG_CODE_TRANSCEIVER_DIAG_OK)
3251 			return -EINVAL;
3252 
3253 		offset += buf_size;
3254 		bytes_left -= buf_size;
3255 	}
3256 
3257 	return 0;
3258 }
3259 
qed_mcp_bist_register_test(struct qed_hwfn * p_hwfn,struct qed_ptt * p_ptt)3260 int qed_mcp_bist_register_test(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
3261 {
3262 	u32 drv_mb_param = 0, rsp, param;
3263 	int rc = 0;
3264 
3265 	drv_mb_param = (DRV_MB_PARAM_BIST_REGISTER_TEST <<
3266 			DRV_MB_PARAM_BIST_TEST_INDEX_SHIFT);
3267 
3268 	rc = qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_BIST_TEST,
3269 			 drv_mb_param, &rsp, &param);
3270 
3271 	if (rc)
3272 		return rc;
3273 
3274 	if (((rsp & FW_MSG_CODE_MASK) != FW_MSG_CODE_OK) ||
3275 	    (param != DRV_MB_PARAM_BIST_RC_PASSED))
3276 		rc = -EAGAIN;
3277 
3278 	return rc;
3279 }
3280 
qed_mcp_bist_clock_test(struct qed_hwfn * p_hwfn,struct qed_ptt * p_ptt)3281 int qed_mcp_bist_clock_test(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
3282 {
3283 	u32 drv_mb_param, rsp, param;
3284 	int rc = 0;
3285 
3286 	drv_mb_param = (DRV_MB_PARAM_BIST_CLOCK_TEST <<
3287 			DRV_MB_PARAM_BIST_TEST_INDEX_SHIFT);
3288 
3289 	rc = qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_BIST_TEST,
3290 			 drv_mb_param, &rsp, &param);
3291 
3292 	if (rc)
3293 		return rc;
3294 
3295 	if (((rsp & FW_MSG_CODE_MASK) != FW_MSG_CODE_OK) ||
3296 	    (param != DRV_MB_PARAM_BIST_RC_PASSED))
3297 		rc = -EAGAIN;
3298 
3299 	return rc;
3300 }
3301 
qed_mcp_bist_nvm_get_num_images(struct qed_hwfn * p_hwfn,struct qed_ptt * p_ptt,u32 * num_images)3302 int qed_mcp_bist_nvm_get_num_images(struct qed_hwfn *p_hwfn,
3303 				    struct qed_ptt *p_ptt,
3304 				    u32 *num_images)
3305 {
3306 	u32 drv_mb_param = 0, rsp;
3307 	int rc = 0;
3308 
3309 	drv_mb_param = (DRV_MB_PARAM_BIST_NVM_TEST_NUM_IMAGES <<
3310 			DRV_MB_PARAM_BIST_TEST_INDEX_SHIFT);
3311 
3312 	rc = qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_BIST_TEST,
3313 			 drv_mb_param, &rsp, num_images);
3314 	if (rc)
3315 		return rc;
3316 
3317 	if (((rsp & FW_MSG_CODE_MASK) != FW_MSG_CODE_OK))
3318 		rc = -EINVAL;
3319 
3320 	return rc;
3321 }
3322 
qed_mcp_bist_nvm_get_image_att(struct qed_hwfn * p_hwfn,struct qed_ptt * p_ptt,struct bist_nvm_image_att * p_image_att,u32 image_index)3323 int qed_mcp_bist_nvm_get_image_att(struct qed_hwfn *p_hwfn,
3324 				   struct qed_ptt *p_ptt,
3325 				   struct bist_nvm_image_att *p_image_att,
3326 				   u32 image_index)
3327 {
3328 	u32 buf_size = 0, param, resp = 0, resp_param = 0;
3329 	int rc;
3330 
3331 	param = DRV_MB_PARAM_BIST_NVM_TEST_IMAGE_BY_INDEX <<
3332 		DRV_MB_PARAM_BIST_TEST_INDEX_SHIFT;
3333 	param |= image_index << DRV_MB_PARAM_BIST_TEST_IMAGE_INDEX_SHIFT;
3334 
3335 	rc = qed_mcp_nvm_rd_cmd(p_hwfn, p_ptt,
3336 				DRV_MSG_CODE_BIST_TEST, param,
3337 				&resp, &resp_param,
3338 				&buf_size,
3339 				(u32 *)p_image_att, false);
3340 	if (rc)
3341 		return rc;
3342 
3343 	if (((resp & FW_MSG_CODE_MASK) != FW_MSG_CODE_OK) ||
3344 	    (p_image_att->return_code != 1))
3345 		rc = -EINVAL;
3346 
3347 	return rc;
3348 }
3349 
qed_mcp_nvm_info_populate(struct qed_hwfn * p_hwfn)3350 int qed_mcp_nvm_info_populate(struct qed_hwfn *p_hwfn)
3351 {
3352 	struct qed_nvm_image_info nvm_info;
3353 	struct qed_ptt *p_ptt;
3354 	int rc;
3355 	u32 i;
3356 
3357 	if (p_hwfn->nvm_info.valid)
3358 		return 0;
3359 
3360 	p_ptt = qed_ptt_acquire(p_hwfn);
3361 	if (!p_ptt) {
3362 		DP_ERR(p_hwfn, "failed to acquire ptt\n");
3363 		return -EBUSY;
3364 	}
3365 
3366 	/* Acquire from MFW the amount of available images */
3367 	nvm_info.num_images = 0;
3368 	rc = qed_mcp_bist_nvm_get_num_images(p_hwfn,
3369 					     p_ptt, &nvm_info.num_images);
3370 	if (rc == -EOPNOTSUPP) {
3371 		DP_INFO(p_hwfn, "DRV_MSG_CODE_BIST_TEST is not supported\n");
3372 		goto out;
3373 	} else if (rc || !nvm_info.num_images) {
3374 		DP_ERR(p_hwfn, "Failed getting number of images\n");
3375 		goto err0;
3376 	}
3377 
3378 	nvm_info.image_att = kmalloc_array(nvm_info.num_images,
3379 					   sizeof(struct bist_nvm_image_att),
3380 					   GFP_KERNEL);
3381 	if (!nvm_info.image_att) {
3382 		rc = -ENOMEM;
3383 		goto err0;
3384 	}
3385 
3386 	/* Iterate over images and get their attributes */
3387 	for (i = 0; i < nvm_info.num_images; i++) {
3388 		rc = qed_mcp_bist_nvm_get_image_att(p_hwfn, p_ptt,
3389 						    &nvm_info.image_att[i], i);
3390 		if (rc) {
3391 			DP_ERR(p_hwfn,
3392 			       "Failed getting image index %d attributes\n", i);
3393 			goto err1;
3394 		}
3395 
3396 		DP_VERBOSE(p_hwfn, QED_MSG_SP, "image index %d, size %x\n", i,
3397 			   nvm_info.image_att[i].len);
3398 	}
3399 out:
3400 	/* Update hwfn's nvm_info */
3401 	if (nvm_info.num_images) {
3402 		p_hwfn->nvm_info.num_images = nvm_info.num_images;
3403 		kfree(p_hwfn->nvm_info.image_att);
3404 		p_hwfn->nvm_info.image_att = nvm_info.image_att;
3405 		p_hwfn->nvm_info.valid = true;
3406 	}
3407 
3408 	qed_ptt_release(p_hwfn, p_ptt);
3409 	return 0;
3410 
3411 err1:
3412 	kfree(nvm_info.image_att);
3413 err0:
3414 	qed_ptt_release(p_hwfn, p_ptt);
3415 	return rc;
3416 }
3417 
qed_mcp_nvm_info_free(struct qed_hwfn * p_hwfn)3418 void qed_mcp_nvm_info_free(struct qed_hwfn *p_hwfn)
3419 {
3420 	kfree(p_hwfn->nvm_info.image_att);
3421 	p_hwfn->nvm_info.image_att = NULL;
3422 	p_hwfn->nvm_info.valid = false;
3423 }
3424 
3425 int
qed_mcp_get_nvm_image_att(struct qed_hwfn * p_hwfn,enum qed_nvm_images image_id,struct qed_nvm_image_att * p_image_att)3426 qed_mcp_get_nvm_image_att(struct qed_hwfn *p_hwfn,
3427 			  enum qed_nvm_images image_id,
3428 			  struct qed_nvm_image_att *p_image_att)
3429 {
3430 	enum nvm_image_type type;
3431 	int rc;
3432 	u32 i;
3433 
3434 	/* Translate image_id into MFW definitions */
3435 	switch (image_id) {
3436 	case QED_NVM_IMAGE_ISCSI_CFG:
3437 		type = NVM_TYPE_ISCSI_CFG;
3438 		break;
3439 	case QED_NVM_IMAGE_FCOE_CFG:
3440 		type = NVM_TYPE_FCOE_CFG;
3441 		break;
3442 	case QED_NVM_IMAGE_MDUMP:
3443 		type = NVM_TYPE_MDUMP;
3444 		break;
3445 	case QED_NVM_IMAGE_NVM_CFG1:
3446 		type = NVM_TYPE_NVM_CFG1;
3447 		break;
3448 	case QED_NVM_IMAGE_DEFAULT_CFG:
3449 		type = NVM_TYPE_DEFAULT_CFG;
3450 		break;
3451 	case QED_NVM_IMAGE_NVM_META:
3452 		type = NVM_TYPE_NVM_META;
3453 		break;
3454 	default:
3455 		DP_NOTICE(p_hwfn, "Unknown request of image_id %08x\n",
3456 			  image_id);
3457 		return -EINVAL;
3458 	}
3459 
3460 	rc = qed_mcp_nvm_info_populate(p_hwfn);
3461 	if (rc)
3462 		return rc;
3463 
3464 	for (i = 0; i < p_hwfn->nvm_info.num_images; i++)
3465 		if (type == p_hwfn->nvm_info.image_att[i].image_type)
3466 			break;
3467 	if (i == p_hwfn->nvm_info.num_images) {
3468 		DP_VERBOSE(p_hwfn, QED_MSG_STORAGE,
3469 			   "Failed to find nvram image of type %08x\n",
3470 			   image_id);
3471 		return -ENOENT;
3472 	}
3473 
3474 	p_image_att->start_addr = p_hwfn->nvm_info.image_att[i].nvm_start_addr;
3475 	p_image_att->length = p_hwfn->nvm_info.image_att[i].len;
3476 
3477 	return 0;
3478 }
3479 
qed_mcp_get_nvm_image(struct qed_hwfn * p_hwfn,enum qed_nvm_images image_id,u8 * p_buffer,u32 buffer_len)3480 int qed_mcp_get_nvm_image(struct qed_hwfn *p_hwfn,
3481 			  enum qed_nvm_images image_id,
3482 			  u8 *p_buffer, u32 buffer_len)
3483 {
3484 	struct qed_nvm_image_att image_att;
3485 	int rc;
3486 
3487 	memset(p_buffer, 0, buffer_len);
3488 
3489 	rc = qed_mcp_get_nvm_image_att(p_hwfn, image_id, &image_att);
3490 	if (rc)
3491 		return rc;
3492 
3493 	/* Validate sizes - both the image's and the supplied buffer's */
3494 	if (image_att.length <= 4) {
3495 		DP_VERBOSE(p_hwfn, QED_MSG_STORAGE,
3496 			   "Image [%d] is too small - only %d bytes\n",
3497 			   image_id, image_att.length);
3498 		return -EINVAL;
3499 	}
3500 
3501 	if (image_att.length > buffer_len) {
3502 		DP_VERBOSE(p_hwfn,
3503 			   QED_MSG_STORAGE,
3504 			   "Image [%d] is too big - %08x bytes where only %08x are available\n",
3505 			   image_id, image_att.length, buffer_len);
3506 		return -ENOMEM;
3507 	}
3508 
3509 	return qed_mcp_nvm_read(p_hwfn->cdev, image_att.start_addr,
3510 				p_buffer, image_att.length);
3511 }
3512 
qed_mcp_get_mfw_res_id(enum qed_resources res_id)3513 static enum resource_id_enum qed_mcp_get_mfw_res_id(enum qed_resources res_id)
3514 {
3515 	enum resource_id_enum mfw_res_id = RESOURCE_NUM_INVALID;
3516 
3517 	switch (res_id) {
3518 	case QED_SB:
3519 		mfw_res_id = RESOURCE_NUM_SB_E;
3520 		break;
3521 	case QED_L2_QUEUE:
3522 		mfw_res_id = RESOURCE_NUM_L2_QUEUE_E;
3523 		break;
3524 	case QED_VPORT:
3525 		mfw_res_id = RESOURCE_NUM_VPORT_E;
3526 		break;
3527 	case QED_RSS_ENG:
3528 		mfw_res_id = RESOURCE_NUM_RSS_ENGINES_E;
3529 		break;
3530 	case QED_PQ:
3531 		mfw_res_id = RESOURCE_NUM_PQ_E;
3532 		break;
3533 	case QED_RL:
3534 		mfw_res_id = RESOURCE_NUM_RL_E;
3535 		break;
3536 	case QED_MAC:
3537 	case QED_VLAN:
3538 		/* Each VFC resource can accommodate both a MAC and a VLAN */
3539 		mfw_res_id = RESOURCE_VFC_FILTER_E;
3540 		break;
3541 	case QED_ILT:
3542 		mfw_res_id = RESOURCE_ILT_E;
3543 		break;
3544 	case QED_LL2_RAM_QUEUE:
3545 		mfw_res_id = RESOURCE_LL2_QUEUE_E;
3546 		break;
3547 	case QED_LL2_CTX_QUEUE:
3548 		mfw_res_id = RESOURCE_LL2_CQS_E;
3549 		break;
3550 	case QED_RDMA_CNQ_RAM:
3551 	case QED_CMDQS_CQS:
3552 		/* CNQ/CMDQS are the same resource */
3553 		mfw_res_id = RESOURCE_CQS_E;
3554 		break;
3555 	case QED_RDMA_STATS_QUEUE:
3556 		mfw_res_id = RESOURCE_RDMA_STATS_QUEUE_E;
3557 		break;
3558 	case QED_BDQ:
3559 		mfw_res_id = RESOURCE_BDQ_E;
3560 		break;
3561 	default:
3562 		break;
3563 	}
3564 
3565 	return mfw_res_id;
3566 }
3567 
3568 #define QED_RESC_ALLOC_VERSION_MAJOR    2
3569 #define QED_RESC_ALLOC_VERSION_MINOR    0
3570 #define QED_RESC_ALLOC_VERSION				     \
3571 	((QED_RESC_ALLOC_VERSION_MAJOR <<		     \
3572 	  DRV_MB_PARAM_RESOURCE_ALLOC_VERSION_MAJOR_SHIFT) | \
3573 	 (QED_RESC_ALLOC_VERSION_MINOR <<		     \
3574 	  DRV_MB_PARAM_RESOURCE_ALLOC_VERSION_MINOR_SHIFT))
3575 
3576 struct qed_resc_alloc_in_params {
3577 	u32 cmd;
3578 	enum qed_resources res_id;
3579 	u32 resc_max_val;
3580 };
3581 
3582 struct qed_resc_alloc_out_params {
3583 	u32 mcp_resp;
3584 	u32 mcp_param;
3585 	u32 resc_num;
3586 	u32 resc_start;
3587 	u32 vf_resc_num;
3588 	u32 vf_resc_start;
3589 	u32 flags;
3590 };
3591 
3592 static int
qed_mcp_resc_allocation_msg(struct qed_hwfn * p_hwfn,struct qed_ptt * p_ptt,struct qed_resc_alloc_in_params * p_in_params,struct qed_resc_alloc_out_params * p_out_params)3593 qed_mcp_resc_allocation_msg(struct qed_hwfn *p_hwfn,
3594 			    struct qed_ptt *p_ptt,
3595 			    struct qed_resc_alloc_in_params *p_in_params,
3596 			    struct qed_resc_alloc_out_params *p_out_params)
3597 {
3598 	struct qed_mcp_mb_params mb_params;
3599 	struct resource_info mfw_resc_info;
3600 	int rc;
3601 
3602 	memset(&mfw_resc_info, 0, sizeof(mfw_resc_info));
3603 
3604 	mfw_resc_info.res_id = qed_mcp_get_mfw_res_id(p_in_params->res_id);
3605 	if (mfw_resc_info.res_id == RESOURCE_NUM_INVALID) {
3606 		DP_ERR(p_hwfn,
3607 		       "Failed to match resource %d [%s] with the MFW resources\n",
3608 		       p_in_params->res_id,
3609 		       qed_hw_get_resc_name(p_in_params->res_id));
3610 		return -EINVAL;
3611 	}
3612 
3613 	switch (p_in_params->cmd) {
3614 	case DRV_MSG_SET_RESOURCE_VALUE_MSG:
3615 		mfw_resc_info.size = p_in_params->resc_max_val;
3616 		fallthrough;
3617 	case DRV_MSG_GET_RESOURCE_ALLOC_MSG:
3618 		break;
3619 	default:
3620 		DP_ERR(p_hwfn, "Unexpected resource alloc command [0x%08x]\n",
3621 		       p_in_params->cmd);
3622 		return -EINVAL;
3623 	}
3624 
3625 	memset(&mb_params, 0, sizeof(mb_params));
3626 	mb_params.cmd = p_in_params->cmd;
3627 	mb_params.param = QED_RESC_ALLOC_VERSION;
3628 	mb_params.p_data_src = &mfw_resc_info;
3629 	mb_params.data_src_size = sizeof(mfw_resc_info);
3630 	mb_params.p_data_dst = mb_params.p_data_src;
3631 	mb_params.data_dst_size = mb_params.data_src_size;
3632 
3633 	DP_VERBOSE(p_hwfn,
3634 		   QED_MSG_SP,
3635 		   "Resource message request: cmd 0x%08x, res_id %d [%s], hsi_version %d.%d, val 0x%x\n",
3636 		   p_in_params->cmd,
3637 		   p_in_params->res_id,
3638 		   qed_hw_get_resc_name(p_in_params->res_id),
3639 		   QED_MFW_GET_FIELD(mb_params.param,
3640 				     DRV_MB_PARAM_RESOURCE_ALLOC_VERSION_MAJOR),
3641 		   QED_MFW_GET_FIELD(mb_params.param,
3642 				     DRV_MB_PARAM_RESOURCE_ALLOC_VERSION_MINOR),
3643 		   p_in_params->resc_max_val);
3644 
3645 	rc = qed_mcp_cmd_and_union(p_hwfn, p_ptt, &mb_params);
3646 	if (rc)
3647 		return rc;
3648 
3649 	p_out_params->mcp_resp = mb_params.mcp_resp;
3650 	p_out_params->mcp_param = mb_params.mcp_param;
3651 	p_out_params->resc_num = mfw_resc_info.size;
3652 	p_out_params->resc_start = mfw_resc_info.offset;
3653 	p_out_params->vf_resc_num = mfw_resc_info.vf_size;
3654 	p_out_params->vf_resc_start = mfw_resc_info.vf_offset;
3655 	p_out_params->flags = mfw_resc_info.flags;
3656 
3657 	DP_VERBOSE(p_hwfn,
3658 		   QED_MSG_SP,
3659 		   "Resource message response: mfw_hsi_version %d.%d, num 0x%x, start 0x%x, vf_num 0x%x, vf_start 0x%x, flags 0x%08x\n",
3660 		   QED_MFW_GET_FIELD(p_out_params->mcp_param,
3661 				     FW_MB_PARAM_RESOURCE_ALLOC_VERSION_MAJOR),
3662 		   QED_MFW_GET_FIELD(p_out_params->mcp_param,
3663 				     FW_MB_PARAM_RESOURCE_ALLOC_VERSION_MINOR),
3664 		   p_out_params->resc_num,
3665 		   p_out_params->resc_start,
3666 		   p_out_params->vf_resc_num,
3667 		   p_out_params->vf_resc_start, p_out_params->flags);
3668 
3669 	return 0;
3670 }
3671 
3672 int
qed_mcp_set_resc_max_val(struct qed_hwfn * p_hwfn,struct qed_ptt * p_ptt,enum qed_resources res_id,u32 resc_max_val,u32 * p_mcp_resp)3673 qed_mcp_set_resc_max_val(struct qed_hwfn *p_hwfn,
3674 			 struct qed_ptt *p_ptt,
3675 			 enum qed_resources res_id,
3676 			 u32 resc_max_val, u32 *p_mcp_resp)
3677 {
3678 	struct qed_resc_alloc_out_params out_params;
3679 	struct qed_resc_alloc_in_params in_params;
3680 	int rc;
3681 
3682 	memset(&in_params, 0, sizeof(in_params));
3683 	in_params.cmd = DRV_MSG_SET_RESOURCE_VALUE_MSG;
3684 	in_params.res_id = res_id;
3685 	in_params.resc_max_val = resc_max_val;
3686 	memset(&out_params, 0, sizeof(out_params));
3687 	rc = qed_mcp_resc_allocation_msg(p_hwfn, p_ptt, &in_params,
3688 					 &out_params);
3689 	if (rc)
3690 		return rc;
3691 
3692 	*p_mcp_resp = out_params.mcp_resp;
3693 
3694 	return 0;
3695 }
3696 
3697 int
qed_mcp_get_resc_info(struct qed_hwfn * p_hwfn,struct qed_ptt * p_ptt,enum qed_resources res_id,u32 * p_mcp_resp,u32 * p_resc_num,u32 * p_resc_start)3698 qed_mcp_get_resc_info(struct qed_hwfn *p_hwfn,
3699 		      struct qed_ptt *p_ptt,
3700 		      enum qed_resources res_id,
3701 		      u32 *p_mcp_resp, u32 *p_resc_num, u32 *p_resc_start)
3702 {
3703 	struct qed_resc_alloc_out_params out_params;
3704 	struct qed_resc_alloc_in_params in_params;
3705 	int rc;
3706 
3707 	memset(&in_params, 0, sizeof(in_params));
3708 	in_params.cmd = DRV_MSG_GET_RESOURCE_ALLOC_MSG;
3709 	in_params.res_id = res_id;
3710 	memset(&out_params, 0, sizeof(out_params));
3711 	rc = qed_mcp_resc_allocation_msg(p_hwfn, p_ptt, &in_params,
3712 					 &out_params);
3713 	if (rc)
3714 		return rc;
3715 
3716 	*p_mcp_resp = out_params.mcp_resp;
3717 
3718 	if (*p_mcp_resp == FW_MSG_CODE_RESOURCE_ALLOC_OK) {
3719 		*p_resc_num = out_params.resc_num;
3720 		*p_resc_start = out_params.resc_start;
3721 	}
3722 
3723 	return 0;
3724 }
3725 
qed_mcp_initiate_pf_flr(struct qed_hwfn * p_hwfn,struct qed_ptt * p_ptt)3726 int qed_mcp_initiate_pf_flr(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
3727 {
3728 	u32 mcp_resp, mcp_param;
3729 
3730 	return qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_INITIATE_PF_FLR, 0,
3731 			   &mcp_resp, &mcp_param);
3732 }
3733 
qed_mcp_resource_cmd(struct qed_hwfn * p_hwfn,struct qed_ptt * p_ptt,u32 param,u32 * p_mcp_resp,u32 * p_mcp_param)3734 static int qed_mcp_resource_cmd(struct qed_hwfn *p_hwfn,
3735 				struct qed_ptt *p_ptt,
3736 				u32 param, u32 *p_mcp_resp, u32 *p_mcp_param)
3737 {
3738 	int rc;
3739 
3740 	rc = qed_mcp_cmd_nosleep(p_hwfn, p_ptt, DRV_MSG_CODE_RESOURCE_CMD,
3741 				 param, p_mcp_resp, p_mcp_param);
3742 	if (rc)
3743 		return rc;
3744 
3745 	if (*p_mcp_resp == FW_MSG_CODE_UNSUPPORTED) {
3746 		DP_INFO(p_hwfn,
3747 			"The resource command is unsupported by the MFW\n");
3748 		return -EINVAL;
3749 	}
3750 
3751 	if (*p_mcp_param == RESOURCE_OPCODE_UNKNOWN_CMD) {
3752 		u8 opcode = QED_MFW_GET_FIELD(param, RESOURCE_CMD_REQ_OPCODE);
3753 
3754 		DP_NOTICE(p_hwfn,
3755 			  "The resource command is unknown to the MFW [param 0x%08x, opcode %d]\n",
3756 			  param, opcode);
3757 		return -EINVAL;
3758 	}
3759 
3760 	return rc;
3761 }
3762 
3763 static int
__qed_mcp_resc_lock(struct qed_hwfn * p_hwfn,struct qed_ptt * p_ptt,struct qed_resc_lock_params * p_params)3764 __qed_mcp_resc_lock(struct qed_hwfn *p_hwfn,
3765 		    struct qed_ptt *p_ptt,
3766 		    struct qed_resc_lock_params *p_params)
3767 {
3768 	u32 param = 0, mcp_resp, mcp_param;
3769 	u8 opcode;
3770 	int rc;
3771 
3772 	switch (p_params->timeout) {
3773 	case QED_MCP_RESC_LOCK_TO_DEFAULT:
3774 		opcode = RESOURCE_OPCODE_REQ;
3775 		p_params->timeout = 0;
3776 		break;
3777 	case QED_MCP_RESC_LOCK_TO_NONE:
3778 		opcode = RESOURCE_OPCODE_REQ_WO_AGING;
3779 		p_params->timeout = 0;
3780 		break;
3781 	default:
3782 		opcode = RESOURCE_OPCODE_REQ_W_AGING;
3783 		break;
3784 	}
3785 
3786 	QED_MFW_SET_FIELD(param, RESOURCE_CMD_REQ_RESC, p_params->resource);
3787 	QED_MFW_SET_FIELD(param, RESOURCE_CMD_REQ_OPCODE, opcode);
3788 	QED_MFW_SET_FIELD(param, RESOURCE_CMD_REQ_AGE, p_params->timeout);
3789 
3790 	DP_VERBOSE(p_hwfn,
3791 		   QED_MSG_SP,
3792 		   "Resource lock request: param 0x%08x [age %d, opcode %d, resource %d]\n",
3793 		   param, p_params->timeout, opcode, p_params->resource);
3794 
3795 	/* Attempt to acquire the resource */
3796 	rc = qed_mcp_resource_cmd(p_hwfn, p_ptt, param, &mcp_resp, &mcp_param);
3797 	if (rc)
3798 		return rc;
3799 
3800 	/* Analyze the response */
3801 	p_params->owner = QED_MFW_GET_FIELD(mcp_param, RESOURCE_CMD_RSP_OWNER);
3802 	opcode = QED_MFW_GET_FIELD(mcp_param, RESOURCE_CMD_RSP_OPCODE);
3803 
3804 	DP_VERBOSE(p_hwfn,
3805 		   QED_MSG_SP,
3806 		   "Resource lock response: mcp_param 0x%08x [opcode %d, owner %d]\n",
3807 		   mcp_param, opcode, p_params->owner);
3808 
3809 	switch (opcode) {
3810 	case RESOURCE_OPCODE_GNT:
3811 		p_params->b_granted = true;
3812 		break;
3813 	case RESOURCE_OPCODE_BUSY:
3814 		p_params->b_granted = false;
3815 		break;
3816 	default:
3817 		DP_NOTICE(p_hwfn,
3818 			  "Unexpected opcode in resource lock response [mcp_param 0x%08x, opcode %d]\n",
3819 			  mcp_param, opcode);
3820 		return -EINVAL;
3821 	}
3822 
3823 	return 0;
3824 }
3825 
3826 int
qed_mcp_resc_lock(struct qed_hwfn * p_hwfn,struct qed_ptt * p_ptt,struct qed_resc_lock_params * p_params)3827 qed_mcp_resc_lock(struct qed_hwfn *p_hwfn,
3828 		  struct qed_ptt *p_ptt, struct qed_resc_lock_params *p_params)
3829 {
3830 	u32 retry_cnt = 0;
3831 	int rc;
3832 
3833 	do {
3834 		/* No need for an interval before the first iteration */
3835 		if (retry_cnt) {
3836 			if (p_params->sleep_b4_retry) {
3837 				u16 retry_interval_in_ms =
3838 				    DIV_ROUND_UP(p_params->retry_interval,
3839 						 1000);
3840 
3841 				msleep(retry_interval_in_ms);
3842 			} else {
3843 				udelay(p_params->retry_interval);
3844 			}
3845 		}
3846 
3847 		rc = __qed_mcp_resc_lock(p_hwfn, p_ptt, p_params);
3848 		if (rc)
3849 			return rc;
3850 
3851 		if (p_params->b_granted)
3852 			break;
3853 	} while (retry_cnt++ < p_params->retry_num);
3854 
3855 	return 0;
3856 }
3857 
3858 int
qed_mcp_resc_unlock(struct qed_hwfn * p_hwfn,struct qed_ptt * p_ptt,struct qed_resc_unlock_params * p_params)3859 qed_mcp_resc_unlock(struct qed_hwfn *p_hwfn,
3860 		    struct qed_ptt *p_ptt,
3861 		    struct qed_resc_unlock_params *p_params)
3862 {
3863 	u32 param = 0, mcp_resp, mcp_param;
3864 	u8 opcode;
3865 	int rc;
3866 
3867 	opcode = p_params->b_force ? RESOURCE_OPCODE_FORCE_RELEASE
3868 				   : RESOURCE_OPCODE_RELEASE;
3869 	QED_MFW_SET_FIELD(param, RESOURCE_CMD_REQ_RESC, p_params->resource);
3870 	QED_MFW_SET_FIELD(param, RESOURCE_CMD_REQ_OPCODE, opcode);
3871 
3872 	DP_VERBOSE(p_hwfn, QED_MSG_SP,
3873 		   "Resource unlock request: param 0x%08x [opcode %d, resource %d]\n",
3874 		   param, opcode, p_params->resource);
3875 
3876 	/* Attempt to release the resource */
3877 	rc = qed_mcp_resource_cmd(p_hwfn, p_ptt, param, &mcp_resp, &mcp_param);
3878 	if (rc)
3879 		return rc;
3880 
3881 	/* Analyze the response */
3882 	opcode = QED_MFW_GET_FIELD(mcp_param, RESOURCE_CMD_RSP_OPCODE);
3883 
3884 	DP_VERBOSE(p_hwfn, QED_MSG_SP,
3885 		   "Resource unlock response: mcp_param 0x%08x [opcode %d]\n",
3886 		   mcp_param, opcode);
3887 
3888 	switch (opcode) {
3889 	case RESOURCE_OPCODE_RELEASED_PREVIOUS:
3890 		DP_INFO(p_hwfn,
3891 			"Resource unlock request for an already released resource [%d]\n",
3892 			p_params->resource);
3893 		fallthrough;
3894 	case RESOURCE_OPCODE_RELEASED:
3895 		p_params->b_released = true;
3896 		break;
3897 	case RESOURCE_OPCODE_WRONG_OWNER:
3898 		p_params->b_released = false;
3899 		break;
3900 	default:
3901 		DP_NOTICE(p_hwfn,
3902 			  "Unexpected opcode in resource unlock response [mcp_param 0x%08x, opcode %d]\n",
3903 			  mcp_param, opcode);
3904 		return -EINVAL;
3905 	}
3906 
3907 	return 0;
3908 }
3909 
qed_mcp_resc_lock_default_init(struct qed_resc_lock_params * p_lock,struct qed_resc_unlock_params * p_unlock,enum qed_resc_lock resource,bool b_is_permanent)3910 void qed_mcp_resc_lock_default_init(struct qed_resc_lock_params *p_lock,
3911 				    struct qed_resc_unlock_params *p_unlock,
3912 				    enum qed_resc_lock
3913 				    resource, bool b_is_permanent)
3914 {
3915 	if (p_lock) {
3916 		memset(p_lock, 0, sizeof(*p_lock));
3917 
3918 		/* Permanent resources don't require aging, and there's no
3919 		 * point in trying to acquire them more than once since it's
3920 		 * unexpected another entity would release them.
3921 		 */
3922 		if (b_is_permanent) {
3923 			p_lock->timeout = QED_MCP_RESC_LOCK_TO_NONE;
3924 		} else {
3925 			p_lock->retry_num = QED_MCP_RESC_LOCK_RETRY_CNT_DFLT;
3926 			p_lock->retry_interval =
3927 			    QED_MCP_RESC_LOCK_RETRY_VAL_DFLT;
3928 			p_lock->sleep_b4_retry = true;
3929 		}
3930 
3931 		p_lock->resource = resource;
3932 	}
3933 
3934 	if (p_unlock) {
3935 		memset(p_unlock, 0, sizeof(*p_unlock));
3936 		p_unlock->resource = resource;
3937 	}
3938 }
3939 
qed_mcp_is_smart_an_supported(struct qed_hwfn * p_hwfn)3940 bool qed_mcp_is_smart_an_supported(struct qed_hwfn *p_hwfn)
3941 {
3942 	return !!(p_hwfn->mcp_info->capabilities &
3943 		  FW_MB_PARAM_FEATURE_SUPPORT_SMARTLINQ);
3944 }
3945 
qed_mcp_get_capabilities(struct qed_hwfn * p_hwfn,struct qed_ptt * p_ptt)3946 int qed_mcp_get_capabilities(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
3947 {
3948 	u32 mcp_resp;
3949 	int rc;
3950 
3951 	rc = qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_GET_MFW_FEATURE_SUPPORT,
3952 			 0, &mcp_resp, &p_hwfn->mcp_info->capabilities);
3953 	if (!rc)
3954 		DP_VERBOSE(p_hwfn, (QED_MSG_SP | NETIF_MSG_PROBE),
3955 			   "MFW supported features: %08x\n",
3956 			   p_hwfn->mcp_info->capabilities);
3957 
3958 	return rc;
3959 }
3960 
qed_mcp_set_capabilities(struct qed_hwfn * p_hwfn,struct qed_ptt * p_ptt)3961 int qed_mcp_set_capabilities(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
3962 {
3963 	u32 mcp_resp, mcp_param, features;
3964 
3965 	features = DRV_MB_PARAM_FEATURE_SUPPORT_PORT_EEE |
3966 		   DRV_MB_PARAM_FEATURE_SUPPORT_FUNC_VLINK |
3967 		   DRV_MB_PARAM_FEATURE_SUPPORT_PORT_FEC_CONTROL;
3968 
3969 	return qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_FEATURE_SUPPORT,
3970 			   features, &mcp_resp, &mcp_param);
3971 }
3972 
qed_mcp_get_engine_config(struct qed_hwfn * p_hwfn,struct qed_ptt * p_ptt)3973 int qed_mcp_get_engine_config(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
3974 {
3975 	struct qed_mcp_mb_params mb_params = {0};
3976 	struct qed_dev *cdev = p_hwfn->cdev;
3977 	u8 fir_valid, l2_valid;
3978 	int rc;
3979 
3980 	mb_params.cmd = DRV_MSG_CODE_GET_ENGINE_CONFIG;
3981 	rc = qed_mcp_cmd_and_union(p_hwfn, p_ptt, &mb_params);
3982 	if (rc)
3983 		return rc;
3984 
3985 	if (mb_params.mcp_resp == FW_MSG_CODE_UNSUPPORTED) {
3986 		DP_INFO(p_hwfn,
3987 			"The get_engine_config command is unsupported by the MFW\n");
3988 		return -EOPNOTSUPP;
3989 	}
3990 
3991 	fir_valid = QED_MFW_GET_FIELD(mb_params.mcp_param,
3992 				      FW_MB_PARAM_ENG_CFG_FIR_AFFIN_VALID);
3993 	if (fir_valid)
3994 		cdev->fir_affin =
3995 		    QED_MFW_GET_FIELD(mb_params.mcp_param,
3996 				      FW_MB_PARAM_ENG_CFG_FIR_AFFIN_VALUE);
3997 
3998 	l2_valid = QED_MFW_GET_FIELD(mb_params.mcp_param,
3999 				     FW_MB_PARAM_ENG_CFG_L2_AFFIN_VALID);
4000 	if (l2_valid)
4001 		cdev->l2_affin_hint =
4002 		    QED_MFW_GET_FIELD(mb_params.mcp_param,
4003 				      FW_MB_PARAM_ENG_CFG_L2_AFFIN_VALUE);
4004 
4005 	DP_INFO(p_hwfn,
4006 		"Engine affinity config: FIR={valid %hhd, value %hhd}, L2_hint={valid %hhd, value %hhd}\n",
4007 		fir_valid, cdev->fir_affin, l2_valid, cdev->l2_affin_hint);
4008 
4009 	return 0;
4010 }
4011 
qed_mcp_get_ppfid_bitmap(struct qed_hwfn * p_hwfn,struct qed_ptt * p_ptt)4012 int qed_mcp_get_ppfid_bitmap(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
4013 {
4014 	struct qed_mcp_mb_params mb_params = {0};
4015 	struct qed_dev *cdev = p_hwfn->cdev;
4016 	int rc;
4017 
4018 	mb_params.cmd = DRV_MSG_CODE_GET_PPFID_BITMAP;
4019 	rc = qed_mcp_cmd_and_union(p_hwfn, p_ptt, &mb_params);
4020 	if (rc)
4021 		return rc;
4022 
4023 	if (mb_params.mcp_resp == FW_MSG_CODE_UNSUPPORTED) {
4024 		DP_INFO(p_hwfn,
4025 			"The get_ppfid_bitmap command is unsupported by the MFW\n");
4026 		return -EOPNOTSUPP;
4027 	}
4028 
4029 	cdev->ppfid_bitmap = QED_MFW_GET_FIELD(mb_params.mcp_param,
4030 					       FW_MB_PARAM_PPFID_BITMAP);
4031 
4032 	DP_VERBOSE(p_hwfn, QED_MSG_SP, "PPFID bitmap 0x%hhx\n",
4033 		   cdev->ppfid_bitmap);
4034 
4035 	return 0;
4036 }
4037 
qed_mcp_nvm_get_cfg(struct qed_hwfn * p_hwfn,struct qed_ptt * p_ptt,u16 option_id,u8 entity_id,u16 flags,u8 * p_buf,u32 * p_len)4038 int qed_mcp_nvm_get_cfg(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt,
4039 			u16 option_id, u8 entity_id, u16 flags, u8 *p_buf,
4040 			u32 *p_len)
4041 {
4042 	u32 mb_param = 0, resp, param;
4043 	int rc;
4044 
4045 	QED_MFW_SET_FIELD(mb_param, DRV_MB_PARAM_NVM_CFG_OPTION_ID, option_id);
4046 	if (flags & QED_NVM_CFG_OPTION_INIT)
4047 		QED_MFW_SET_FIELD(mb_param,
4048 				  DRV_MB_PARAM_NVM_CFG_OPTION_INIT, 1);
4049 	if (flags & QED_NVM_CFG_OPTION_FREE)
4050 		QED_MFW_SET_FIELD(mb_param,
4051 				  DRV_MB_PARAM_NVM_CFG_OPTION_FREE, 1);
4052 	if (flags & QED_NVM_CFG_OPTION_ENTITY_SEL) {
4053 		QED_MFW_SET_FIELD(mb_param,
4054 				  DRV_MB_PARAM_NVM_CFG_OPTION_ENTITY_SEL, 1);
4055 		QED_MFW_SET_FIELD(mb_param,
4056 				  DRV_MB_PARAM_NVM_CFG_OPTION_ENTITY_ID,
4057 				  entity_id);
4058 	}
4059 
4060 	rc = qed_mcp_nvm_rd_cmd(p_hwfn, p_ptt,
4061 				DRV_MSG_CODE_GET_NVM_CFG_OPTION,
4062 				mb_param, &resp, &param, p_len,
4063 				(u32 *)p_buf, false);
4064 
4065 	return rc;
4066 }
4067 
qed_mcp_nvm_set_cfg(struct qed_hwfn * p_hwfn,struct qed_ptt * p_ptt,u16 option_id,u8 entity_id,u16 flags,u8 * p_buf,u32 len)4068 int qed_mcp_nvm_set_cfg(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt,
4069 			u16 option_id, u8 entity_id, u16 flags, u8 *p_buf,
4070 			u32 len)
4071 {
4072 	u32 mb_param = 0, resp, param;
4073 
4074 	QED_MFW_SET_FIELD(mb_param, DRV_MB_PARAM_NVM_CFG_OPTION_ID, option_id);
4075 	if (flags & QED_NVM_CFG_OPTION_ALL)
4076 		QED_MFW_SET_FIELD(mb_param,
4077 				  DRV_MB_PARAM_NVM_CFG_OPTION_ALL, 1);
4078 	if (flags & QED_NVM_CFG_OPTION_INIT)
4079 		QED_MFW_SET_FIELD(mb_param,
4080 				  DRV_MB_PARAM_NVM_CFG_OPTION_INIT, 1);
4081 	if (flags & QED_NVM_CFG_OPTION_COMMIT)
4082 		QED_MFW_SET_FIELD(mb_param,
4083 				  DRV_MB_PARAM_NVM_CFG_OPTION_COMMIT, 1);
4084 	if (flags & QED_NVM_CFG_OPTION_FREE)
4085 		QED_MFW_SET_FIELD(mb_param,
4086 				  DRV_MB_PARAM_NVM_CFG_OPTION_FREE, 1);
4087 	if (flags & QED_NVM_CFG_OPTION_ENTITY_SEL) {
4088 		QED_MFW_SET_FIELD(mb_param,
4089 				  DRV_MB_PARAM_NVM_CFG_OPTION_ENTITY_SEL, 1);
4090 		QED_MFW_SET_FIELD(mb_param,
4091 				  DRV_MB_PARAM_NVM_CFG_OPTION_ENTITY_ID,
4092 				  entity_id);
4093 	}
4094 
4095 	return qed_mcp_nvm_wr_cmd(p_hwfn, p_ptt,
4096 				  DRV_MSG_CODE_SET_NVM_CFG_OPTION,
4097 				  mb_param, &resp, &param, len, (u32 *)p_buf);
4098 }
4099 
4100 #define QED_MCP_DBG_DATA_MAX_SIZE               MCP_DRV_NVM_BUF_LEN
4101 #define QED_MCP_DBG_DATA_MAX_HEADER_SIZE        sizeof(u32)
4102 #define QED_MCP_DBG_DATA_MAX_PAYLOAD_SIZE \
4103 	(QED_MCP_DBG_DATA_MAX_SIZE - QED_MCP_DBG_DATA_MAX_HEADER_SIZE)
4104 
4105 static int
__qed_mcp_send_debug_data(struct qed_hwfn * p_hwfn,struct qed_ptt * p_ptt,u8 * p_buf,u8 size)4106 __qed_mcp_send_debug_data(struct qed_hwfn *p_hwfn,
4107 			  struct qed_ptt *p_ptt, u8 *p_buf, u8 size)
4108 {
4109 	struct qed_mcp_mb_params mb_params;
4110 	int rc;
4111 
4112 	if (size > QED_MCP_DBG_DATA_MAX_SIZE) {
4113 		DP_ERR(p_hwfn,
4114 		       "Debug data size is %d while it should not exceed %d\n",
4115 		       size, QED_MCP_DBG_DATA_MAX_SIZE);
4116 		return -EINVAL;
4117 	}
4118 
4119 	memset(&mb_params, 0, sizeof(mb_params));
4120 	mb_params.cmd = DRV_MSG_CODE_DEBUG_DATA_SEND;
4121 	SET_MFW_FIELD(mb_params.param, DRV_MSG_CODE_DEBUG_DATA_SEND_SIZE, size);
4122 	mb_params.p_data_src = p_buf;
4123 	mb_params.data_src_size = size;
4124 	rc = qed_mcp_cmd_and_union(p_hwfn, p_ptt, &mb_params);
4125 	if (rc)
4126 		return rc;
4127 
4128 	if (mb_params.mcp_resp == FW_MSG_CODE_UNSUPPORTED) {
4129 		DP_INFO(p_hwfn,
4130 			"The DEBUG_DATA_SEND command is unsupported by the MFW\n");
4131 		return -EOPNOTSUPP;
4132 	} else if (mb_params.mcp_resp == (u32)FW_MSG_CODE_DEBUG_NOT_ENABLED) {
4133 		DP_INFO(p_hwfn, "The DEBUG_DATA_SEND command is not enabled\n");
4134 		return -EBUSY;
4135 	} else if (mb_params.mcp_resp != (u32)FW_MSG_CODE_DEBUG_DATA_SEND_OK) {
4136 		DP_NOTICE(p_hwfn,
4137 			  "Failed to send debug data to the MFW [resp 0x%08x]\n",
4138 			  mb_params.mcp_resp);
4139 		return -EINVAL;
4140 	}
4141 
4142 	return 0;
4143 }
4144 
4145 enum qed_mcp_dbg_data_type {
4146 	QED_MCP_DBG_DATA_TYPE_RAW,
4147 };
4148 
4149 /* Header format: [31:28] PFID, [27:20] flags, [19:12] type, [11:0] S/N */
4150 #define QED_MCP_DBG_DATA_HDR_SN_OFFSET  0
4151 #define QED_MCP_DBG_DATA_HDR_SN_MASK            0x00000fff
4152 #define QED_MCP_DBG_DATA_HDR_TYPE_OFFSET        12
4153 #define QED_MCP_DBG_DATA_HDR_TYPE_MASK  0x000ff000
4154 #define QED_MCP_DBG_DATA_HDR_FLAGS_OFFSET       20
4155 #define QED_MCP_DBG_DATA_HDR_FLAGS_MASK 0x0ff00000
4156 #define QED_MCP_DBG_DATA_HDR_PF_OFFSET  28
4157 #define QED_MCP_DBG_DATA_HDR_PF_MASK            0xf0000000
4158 
4159 #define QED_MCP_DBG_DATA_HDR_FLAGS_FIRST        0x1
4160 #define QED_MCP_DBG_DATA_HDR_FLAGS_LAST 0x2
4161 
4162 static int
qed_mcp_send_debug_data(struct qed_hwfn * p_hwfn,struct qed_ptt * p_ptt,enum qed_mcp_dbg_data_type type,u8 * p_buf,u32 size)4163 qed_mcp_send_debug_data(struct qed_hwfn *p_hwfn,
4164 			struct qed_ptt *p_ptt,
4165 			enum qed_mcp_dbg_data_type type, u8 *p_buf, u32 size)
4166 {
4167 	u8 raw_data[QED_MCP_DBG_DATA_MAX_SIZE], *p_tmp_buf = p_buf;
4168 	u32 tmp_size = size, *p_header, *p_payload;
4169 	u8 flags = 0;
4170 	u16 seq;
4171 	int rc;
4172 
4173 	p_header = (u32 *)raw_data;
4174 	p_payload = (u32 *)(raw_data + QED_MCP_DBG_DATA_MAX_HEADER_SIZE);
4175 
4176 	seq = (u16)atomic_inc_return(&p_hwfn->mcp_info->dbg_data_seq);
4177 
4178 	/* First chunk is marked as 'first' */
4179 	flags |= QED_MCP_DBG_DATA_HDR_FLAGS_FIRST;
4180 
4181 	*p_header = 0;
4182 	SET_MFW_FIELD(*p_header, QED_MCP_DBG_DATA_HDR_SN, seq);
4183 	SET_MFW_FIELD(*p_header, QED_MCP_DBG_DATA_HDR_TYPE, type);
4184 	SET_MFW_FIELD(*p_header, QED_MCP_DBG_DATA_HDR_FLAGS, flags);
4185 	SET_MFW_FIELD(*p_header, QED_MCP_DBG_DATA_HDR_PF, p_hwfn->abs_pf_id);
4186 
4187 	while (tmp_size > QED_MCP_DBG_DATA_MAX_PAYLOAD_SIZE) {
4188 		memcpy(p_payload, p_tmp_buf, QED_MCP_DBG_DATA_MAX_PAYLOAD_SIZE);
4189 		rc = __qed_mcp_send_debug_data(p_hwfn, p_ptt, raw_data,
4190 					       QED_MCP_DBG_DATA_MAX_SIZE);
4191 		if (rc)
4192 			return rc;
4193 
4194 		/* Clear the 'first' marking after sending the first chunk */
4195 		if (p_tmp_buf == p_buf) {
4196 			flags &= ~QED_MCP_DBG_DATA_HDR_FLAGS_FIRST;
4197 			SET_MFW_FIELD(*p_header, QED_MCP_DBG_DATA_HDR_FLAGS,
4198 				      flags);
4199 		}
4200 
4201 		p_tmp_buf += QED_MCP_DBG_DATA_MAX_PAYLOAD_SIZE;
4202 		tmp_size -= QED_MCP_DBG_DATA_MAX_PAYLOAD_SIZE;
4203 	}
4204 
4205 	/* Last chunk is marked as 'last' */
4206 	flags |= QED_MCP_DBG_DATA_HDR_FLAGS_LAST;
4207 	SET_MFW_FIELD(*p_header, QED_MCP_DBG_DATA_HDR_FLAGS, flags);
4208 	memcpy(p_payload, p_tmp_buf, tmp_size);
4209 
4210 	/* Casting the left size to u8 is ok since at this point it is <= 32 */
4211 	return __qed_mcp_send_debug_data(p_hwfn, p_ptt, raw_data,
4212 					 (u8)(QED_MCP_DBG_DATA_MAX_HEADER_SIZE +
4213 					 tmp_size));
4214 }
4215 
4216 int
qed_mcp_send_raw_debug_data(struct qed_hwfn * p_hwfn,struct qed_ptt * p_ptt,u8 * p_buf,u32 size)4217 qed_mcp_send_raw_debug_data(struct qed_hwfn *p_hwfn,
4218 			    struct qed_ptt *p_ptt, u8 *p_buf, u32 size)
4219 {
4220 	return qed_mcp_send_debug_data(p_hwfn, p_ptt,
4221 				       QED_MCP_DBG_DATA_TYPE_RAW, p_buf, size);
4222 }
4223 
qed_mcp_is_esl_supported(struct qed_hwfn * p_hwfn)4224 bool qed_mcp_is_esl_supported(struct qed_hwfn *p_hwfn)
4225 {
4226 	return !!(p_hwfn->mcp_info->capabilities &
4227 		  FW_MB_PARAM_FEATURE_SUPPORT_ENHANCED_SYS_LCK);
4228 }
4229 
qed_mcp_get_esl_status(struct qed_hwfn * p_hwfn,struct qed_ptt * p_ptt,bool * active)4230 int qed_mcp_get_esl_status(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt, bool *active)
4231 {
4232 	u32 resp = 0, param = 0;
4233 	int rc;
4234 
4235 	rc = qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_GET_MANAGEMENT_STATUS, 0, &resp, &param);
4236 	if (rc) {
4237 		DP_NOTICE(p_hwfn, "Failed to send ESL command, rc = %d\n", rc);
4238 		return rc;
4239 	}
4240 
4241 	*active = !!(param & FW_MB_PARAM_MANAGEMENT_STATUS_LOCKDOWN_ENABLED);
4242 
4243 	return 0;
4244 }
4245