1 /*-
2 * Copyright (c) 2013-2019, Mellanox Technologies, Ltd. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY AUTHOR AND CONTRIBUTORS `AS IS' AND
14 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
16 * ARE DISCLAIMED. IN NO EVENT SHALL AUTHOR OR CONTRIBUTORS BE LIABLE
17 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
18 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
19 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
20 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
21 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
22 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
23 * SUCH DAMAGE.
24 */
25
26 #ifndef MLX5_DEVICE_H
27 #define MLX5_DEVICE_H
28
29 #include <linux/types.h>
30 #include <rdma/ib_verbs.h>
31 #include <dev/mlx5/mlx5_ifc.h>
32
33 #define FW_INIT_TIMEOUT_MILI 2000
34 #define FW_INIT_WAIT_MS 2
35 #define FW_PRE_INIT_TIMEOUT_MILI 120000
36 #define FW_INIT_WARN_MESSAGE_INTERVAL 20000
37
38 #if defined(__LITTLE_ENDIAN)
39 #define MLX5_SET_HOST_ENDIANNESS 0
40 #elif defined(__BIG_ENDIAN)
41 #define MLX5_SET_HOST_ENDIANNESS 0x80
42 #else
43 #error Host endianness not defined
44 #endif
45
46 /* helper macros */
47 #define __mlx5_nullp(typ) ((struct mlx5_ifc_##typ##_bits *)0)
48 #define __mlx5_bit_sz(typ, fld) sizeof(__mlx5_nullp(typ)->fld)
49 #define __mlx5_bit_off(typ, fld) __offsetof(struct mlx5_ifc_##typ##_bits, fld)
50 #define __mlx5_16_off(typ, fld) (__mlx5_bit_off(typ, fld) / 16)
51 #define __mlx5_dw_off(typ, fld) (__mlx5_bit_off(typ, fld) / 32)
52 #define __mlx5_64_off(typ, fld) (__mlx5_bit_off(typ, fld) / 64)
53 #define __mlx5_16_bit_off(typ, fld) (16 - __mlx5_bit_sz(typ, fld) - (__mlx5_bit_off(typ, fld) & 0xf))
54 #define __mlx5_dw_bit_off(typ, fld) (32 - __mlx5_bit_sz(typ, fld) - (__mlx5_bit_off(typ, fld) & 0x1f))
55 #define __mlx5_mask(typ, fld) ((u32)((1ull << __mlx5_bit_sz(typ, fld)) - 1))
56 #define __mlx5_dw_mask(typ, fld) (__mlx5_mask(typ, fld) << __mlx5_dw_bit_off(typ, fld))
57 #define __mlx5_mask16(typ, fld) ((u16)((1ull << __mlx5_bit_sz(typ, fld)) - 1))
58 #define __mlx5_16_mask(typ, fld) (__mlx5_mask16(typ, fld) << __mlx5_16_bit_off(typ, fld))
59 #define __mlx5_st_sz_bits(typ) sizeof(struct mlx5_ifc_##typ##_bits)
60
61 #define MLX5_FLD_SZ_BYTES(typ, fld) (__mlx5_bit_sz(typ, fld) / 8)
62 #define MLX5_ST_SZ_BYTES(typ) (sizeof(struct mlx5_ifc_##typ##_bits) / 8)
63 #define MLX5_ST_SZ_DW(typ) (sizeof(struct mlx5_ifc_##typ##_bits) / 32)
64 #define MLX5_ST_SZ_QW(typ) (sizeof(struct mlx5_ifc_##typ##_bits) / 64)
65 #define MLX5_UN_SZ_BYTES(typ) (sizeof(union mlx5_ifc_##typ##_bits) / 8)
66 #define MLX5_UN_SZ_DW(typ) (sizeof(union mlx5_ifc_##typ##_bits) / 32)
67 #define MLX5_BYTE_OFF(typ, fld) (__mlx5_bit_off(typ, fld) / 8)
68 #define MLX5_ADDR_OF(typ, p, fld) ((char *)(p) + MLX5_BYTE_OFF(typ, fld))
69
70 /* insert a value to a struct */
71 #define MLX5_SET(typ, p, fld, v) do { \
72 BUILD_BUG_ON(__mlx5_st_sz_bits(typ) % 32); \
73 BUILD_BUG_ON(__mlx5_bit_sz(typ, fld) > 32); \
74 *((__be32 *)(p) + __mlx5_dw_off(typ, fld)) = \
75 cpu_to_be32((be32_to_cpu(*((__be32 *)(p) + __mlx5_dw_off(typ, fld))) & \
76 (~__mlx5_dw_mask(typ, fld))) | (((v) & __mlx5_mask(typ, fld)) \
77 << __mlx5_dw_bit_off(typ, fld))); \
78 } while (0)
79
80 #define MLX5_SET_TO_ONES(typ, p, fld) do { \
81 BUILD_BUG_ON(__mlx5_st_sz_bits(typ) % 32); \
82 BUILD_BUG_ON(__mlx5_bit_sz(typ, fld) > 32); \
83 *((__be32 *)(p) + __mlx5_dw_off(typ, fld)) = \
84 cpu_to_be32((be32_to_cpu(*((__be32 *)(p) + __mlx5_dw_off(typ, fld))) & \
85 (~__mlx5_dw_mask(typ, fld))) | ((__mlx5_mask(typ, fld)) \
86 << __mlx5_dw_bit_off(typ, fld))); \
87 } while (0)
88
89 #define MLX5_GET(typ, p, fld) ((be32_to_cpu(*((__be32 *)(p) +\
90 __mlx5_dw_off(typ, fld))) >> __mlx5_dw_bit_off(typ, fld)) & \
91 __mlx5_mask(typ, fld))
92
93 #define MLX5_GET_PR(typ, p, fld) ({ \
94 u32 ___t = MLX5_GET(typ, p, fld); \
95 pr_debug(#fld " = 0x%x\n", ___t); \
96 ___t; \
97 })
98
99 #define __MLX5_SET64(typ, p, fld, v) do { \
100 BUILD_BUG_ON(__mlx5_bit_sz(typ, fld) != 64); \
101 *((__be64 *)(p) + __mlx5_64_off(typ, fld)) = cpu_to_be64(v); \
102 } while (0)
103
104 #define MLX5_SET64(typ, p, fld, v) do { \
105 BUILD_BUG_ON(__mlx5_bit_off(typ, fld) % 64); \
106 __MLX5_SET64(typ, p, fld, v); \
107 } while (0)
108
109 #define MLX5_ARRAY_SET64(typ, p, fld, idx, v) do { \
110 BUILD_BUG_ON(__mlx5_bit_off(typ, fld) % 64); \
111 __MLX5_SET64(typ, p, fld[idx], v); \
112 } while (0)
113
114 #define MLX5_GET64(typ, p, fld) be64_to_cpu(*((__be64 *)(p) + __mlx5_64_off(typ, fld)))
115
116 #define MLX5_GET16(typ, p, fld) ((be16_to_cpu(*((__be16 *)(p) +\
117 __mlx5_16_off(typ, fld))) >> __mlx5_16_bit_off(typ, fld)) & \
118 __mlx5_mask16(typ, fld))
119
120 #define MLX5_SET16(typ, p, fld, v) do { \
121 u16 _v = v; \
122 BUILD_BUG_ON(__mlx5_st_sz_bits(typ) % 16); \
123 *((__be16 *)(p) + __mlx5_16_off(typ, fld)) = \
124 cpu_to_be16((be16_to_cpu(*((__be16 *)(p) + __mlx5_16_off(typ, fld))) & \
125 (~__mlx5_16_mask(typ, fld))) | (((_v) & __mlx5_mask16(typ, fld)) \
126 << __mlx5_16_bit_off(typ, fld))); \
127 } while (0)
128
129 #define MLX5_GET64_BE(typ, p, fld) (*((__be64 *)(p) +\
130 __mlx5_64_off(typ, fld)))
131
132 #define MLX5_GET_BE(type_t, typ, p, fld) ({ \
133 type_t tmp; \
134 switch (sizeof(tmp)) { \
135 case sizeof(u8): \
136 tmp = (__force type_t)MLX5_GET(typ, p, fld); \
137 break; \
138 case sizeof(u16): \
139 tmp = (__force type_t)cpu_to_be16(MLX5_GET(typ, p, fld)); \
140 break; \
141 case sizeof(u32): \
142 tmp = (__force type_t)cpu_to_be32(MLX5_GET(typ, p, fld)); \
143 break; \
144 case sizeof(u64): \
145 tmp = (__force type_t)MLX5_GET64_BE(typ, p, fld); \
146 break; \
147 } \
148 tmp; \
149 })
150
151 #define MLX5_BY_PASS_NUM_REGULAR_PRIOS 8
152 #define MLX5_BY_PASS_NUM_DONT_TRAP_PRIOS 8
153 #define MLX5_BY_PASS_NUM_MULTICAST_PRIOS 1
154 #define MLX5_BY_PASS_NUM_PRIOS (MLX5_BY_PASS_NUM_REGULAR_PRIOS +\
155 MLX5_BY_PASS_NUM_DONT_TRAP_PRIOS +\
156 MLX5_BY_PASS_NUM_MULTICAST_PRIOS)
157
158 /* insert a value to a struct */
159 #define MLX5_VSC_SET(typ, p, fld, v) do { \
160 BUILD_BUG_ON(__mlx5_st_sz_bits(typ) % 32); \
161 BUILD_BUG_ON(__mlx5_bit_sz(typ, fld) > 32); \
162 *((__le32 *)(p) + __mlx5_dw_off(typ, fld)) = \
163 cpu_to_le32((le32_to_cpu(*((__le32 *)(p) + __mlx5_dw_off(typ, fld))) & \
164 (~__mlx5_dw_mask(typ, fld))) | (((v) & __mlx5_mask(typ, fld)) \
165 << __mlx5_dw_bit_off(typ, fld))); \
166 } while (0)
167
168 #define MLX5_VSC_GET(typ, p, fld) ((le32_to_cpu(*((__le32 *)(p) +\
169 __mlx5_dw_off(typ, fld))) >> __mlx5_dw_bit_off(typ, fld)) & \
170 __mlx5_mask(typ, fld))
171
172 #define MLX5_VSC_GET_PR(typ, p, fld) ({ \
173 u32 ___t = MLX5_VSC_GET(typ, p, fld); \
174 pr_debug(#fld " = 0x%x\n", ___t); \
175 ___t; \
176 })
177
178 enum {
179 MLX5_MAX_COMMANDS = 32,
180 MLX5_CMD_DATA_BLOCK_SIZE = 512,
181 MLX5_CMD_MBOX_SIZE = 1024,
182 MLX5_PCI_CMD_XPORT = 7,
183 MLX5_MKEY_BSF_OCTO_SIZE = 4,
184 MLX5_MAX_PSVS = 4,
185 };
186
187 enum {
188 MLX5_EXTENDED_UD_AV = 0x80000000,
189 };
190
191 enum {
192 MLX5_CQ_FLAGS_OI = 2,
193 };
194
195 enum {
196 MLX5_STAT_RATE_OFFSET = 5,
197 };
198
199 enum {
200 MLX5_INLINE_SEG = 0x80000000,
201 };
202
203 enum {
204 MLX5_HW_START_PADDING = MLX5_INLINE_SEG,
205 };
206
207 enum {
208 MLX5_MIN_PKEY_TABLE_SIZE = 128,
209 MLX5_MAX_LOG_PKEY_TABLE = 5,
210 };
211
212 enum {
213 MLX5_MKEY_INBOX_PG_ACCESS = 1U << 31
214 };
215
216 enum {
217 MLX5_PERM_LOCAL_READ = 1 << 2,
218 MLX5_PERM_LOCAL_WRITE = 1 << 3,
219 MLX5_PERM_REMOTE_READ = 1 << 4,
220 MLX5_PERM_REMOTE_WRITE = 1 << 5,
221 MLX5_PERM_ATOMIC = 1 << 6,
222 MLX5_PERM_UMR_EN = 1 << 7,
223 };
224
225 enum {
226 MLX5_PCIE_CTRL_SMALL_FENCE = 1 << 0,
227 MLX5_PCIE_CTRL_RELAXED_ORDERING = 1 << 2,
228 MLX5_PCIE_CTRL_NO_SNOOP = 1 << 3,
229 MLX5_PCIE_CTRL_TLP_PROCE_EN = 1 << 6,
230 MLX5_PCIE_CTRL_TPH_MASK = 3 << 4,
231 };
232
233 enum {
234 MLX5_MKEY_REMOTE_INVAL = 1 << 24,
235 MLX5_MKEY_FLAG_SYNC_UMR = 1 << 29,
236 MLX5_MKEY_BSF_EN = 1 << 30,
237 MLX5_MKEY_LEN64 = 1U << 31,
238 };
239
240 enum {
241 MLX5_EN_RD = (u64)1,
242 MLX5_EN_WR = (u64)2
243 };
244
245 enum {
246 MLX5_ADAPTER_PAGE_SHIFT = 12,
247 MLX5_ADAPTER_PAGE_SIZE = 1 << MLX5_ADAPTER_PAGE_SHIFT,
248 };
249
250 enum {
251 MLX5_BFREGS_PER_UAR = 4,
252 MLX5_MAX_UARS = 1 << 8,
253 MLX5_NON_FP_BFREGS_PER_UAR = 2,
254 MLX5_FP_BFREGS_PER_UAR = MLX5_BFREGS_PER_UAR -
255 MLX5_NON_FP_BFREGS_PER_UAR,
256 MLX5_MAX_BFREGS = MLX5_MAX_UARS *
257 MLX5_NON_FP_BFREGS_PER_UAR,
258 MLX5_UARS_IN_PAGE = PAGE_SIZE / MLX5_ADAPTER_PAGE_SIZE,
259 MLX5_NON_FP_BFREGS_IN_PAGE = MLX5_NON_FP_BFREGS_PER_UAR * MLX5_UARS_IN_PAGE,
260 MLX5_MIN_DYN_BFREGS = 512,
261 MLX5_MAX_DYN_BFREGS = 1024,
262 };
263
264 enum {
265 MLX5_MKEY_MASK_LEN = 1ull << 0,
266 MLX5_MKEY_MASK_PAGE_SIZE = 1ull << 1,
267 MLX5_MKEY_MASK_START_ADDR = 1ull << 6,
268 MLX5_MKEY_MASK_PD = 1ull << 7,
269 MLX5_MKEY_MASK_EN_RINVAL = 1ull << 8,
270 MLX5_MKEY_MASK_EN_SIGERR = 1ull << 9,
271 MLX5_MKEY_MASK_BSF_EN = 1ull << 12,
272 MLX5_MKEY_MASK_KEY = 1ull << 13,
273 MLX5_MKEY_MASK_QPN = 1ull << 14,
274 MLX5_MKEY_MASK_LR = 1ull << 17,
275 MLX5_MKEY_MASK_LW = 1ull << 18,
276 MLX5_MKEY_MASK_RR = 1ull << 19,
277 MLX5_MKEY_MASK_RW = 1ull << 20,
278 MLX5_MKEY_MASK_A = 1ull << 21,
279 MLX5_MKEY_MASK_SMALL_FENCE = 1ull << 23,
280 MLX5_MKEY_MASK_FREE = 1ull << 29,
281 };
282
283 enum {
284 MLX5_UMR_TRANSLATION_OFFSET_EN = (1 << 4),
285
286 MLX5_UMR_CHECK_NOT_FREE = (1 << 5),
287 MLX5_UMR_CHECK_FREE = (2 << 5),
288
289 MLX5_UMR_INLINE = (1 << 7),
290 };
291
292 #define MLX5_UMR_MTT_ALIGNMENT 0x40
293 #define MLX5_UMR_MTT_MASK (MLX5_UMR_MTT_ALIGNMENT - 1)
294 #define MLX5_UMR_MTT_MIN_CHUNK_SIZE MLX5_UMR_MTT_ALIGNMENT
295
296 enum {
297 MLX5_EVENT_QUEUE_TYPE_QP = 0,
298 MLX5_EVENT_QUEUE_TYPE_RQ = 1,
299 MLX5_EVENT_QUEUE_TYPE_SQ = 2,
300 MLX5_EVENT_QUEUE_TYPE_DCT = 6,
301 };
302
303 enum {
304 MLX5_PORT_CHANGE_SUBTYPE_DOWN = 1,
305 MLX5_PORT_CHANGE_SUBTYPE_ACTIVE = 4,
306 MLX5_PORT_CHANGE_SUBTYPE_INITIALIZED = 5,
307 MLX5_PORT_CHANGE_SUBTYPE_LID = 6,
308 MLX5_PORT_CHANGE_SUBTYPE_PKEY = 7,
309 MLX5_PORT_CHANGE_SUBTYPE_GUID = 8,
310 MLX5_PORT_CHANGE_SUBTYPE_CLIENT_REREG = 9,
311 };
312
313 enum {
314 MLX5_DCBX_EVENT_SUBTYPE_ERROR_STATE_DCBX = 1,
315 MLX5_DCBX_EVENT_SUBTYPE_REMOTE_CONFIG_CHANGE,
316 MLX5_DCBX_EVENT_SUBTYPE_LOCAL_OPER_CHANGE,
317 MLX5_DCBX_EVENT_SUBTYPE_REMOTE_CONFIG_APP_PRIORITY_CHANGE,
318 MLX5_MAX_INLINE_RECEIVE_SIZE = 64
319 };
320
321 enum {
322 MLX5_DEV_CAP_FLAG_XRC = 1LL << 3,
323 MLX5_DEV_CAP_FLAG_BAD_PKEY_CNTR = 1LL << 8,
324 MLX5_DEV_CAP_FLAG_BAD_QKEY_CNTR = 1LL << 9,
325 MLX5_DEV_CAP_FLAG_APM = 1LL << 17,
326 MLX5_DEV_CAP_FLAG_SCQE_BRK_MOD = 1LL << 21,
327 MLX5_DEV_CAP_FLAG_BLOCK_MCAST = 1LL << 23,
328 MLX5_DEV_CAP_FLAG_CQ_MODER = 1LL << 29,
329 MLX5_DEV_CAP_FLAG_RESIZE_CQ = 1LL << 30,
330 MLX5_DEV_CAP_FLAG_ATOMIC = 1LL << 33,
331 MLX5_DEV_CAP_FLAG_ROCE = 1LL << 34,
332 MLX5_DEV_CAP_FLAG_DCT = 1LL << 37,
333 MLX5_DEV_CAP_FLAG_SIG_HAND_OVER = 1LL << 40,
334 MLX5_DEV_CAP_FLAG_CMDIF_CSUM = 3LL << 46,
335 MLX5_DEV_CAP_FLAG_DRAIN_SIGERR = 1LL << 48,
336 };
337
338 enum {
339 MLX5_ROCE_VERSION_1 = 0,
340 MLX5_ROCE_VERSION_1_5 = 1,
341 MLX5_ROCE_VERSION_2 = 2,
342 };
343
344 enum {
345 MLX5_ROCE_VERSION_1_CAP = 1 << MLX5_ROCE_VERSION_1,
346 MLX5_ROCE_VERSION_1_5_CAP = 1 << MLX5_ROCE_VERSION_1_5,
347 MLX5_ROCE_VERSION_2_CAP = 1 << MLX5_ROCE_VERSION_2,
348 };
349
350 enum {
351 MLX5_ROCE_L3_TYPE_IPV4 = 0,
352 MLX5_ROCE_L3_TYPE_IPV6 = 1,
353 };
354
355 enum {
356 MLX5_ROCE_L3_TYPE_IPV4_CAP = 1 << 1,
357 MLX5_ROCE_L3_TYPE_IPV6_CAP = 1 << 2,
358 };
359
360 enum {
361 MLX5_OPCODE_NOP = 0x00,
362 MLX5_OPCODE_SEND_INVAL = 0x01,
363 MLX5_OPCODE_RDMA_WRITE = 0x08,
364 MLX5_OPCODE_RDMA_WRITE_IMM = 0x09,
365 MLX5_OPCODE_SEND = 0x0a,
366 MLX5_OPCODE_SEND_IMM = 0x0b,
367 MLX5_OPCODE_LSO = 0x0e,
368 MLX5_OPCODE_RDMA_READ = 0x10,
369 MLX5_OPCODE_ATOMIC_CS = 0x11,
370 MLX5_OPCODE_ATOMIC_FA = 0x12,
371 MLX5_OPCODE_ATOMIC_MASKED_CS = 0x14,
372 MLX5_OPCODE_ATOMIC_MASKED_FA = 0x15,
373 MLX5_OPCODE_BIND_MW = 0x18,
374 MLX5_OPCODE_CONFIG_CMD = 0x1f,
375 MLX5_OPCODE_DUMP = 0x23,
376
377 MLX5_RECV_OPCODE_RDMA_WRITE_IMM = 0x00,
378 MLX5_RECV_OPCODE_SEND = 0x01,
379 MLX5_RECV_OPCODE_SEND_IMM = 0x02,
380 MLX5_RECV_OPCODE_SEND_INVAL = 0x03,
381
382 MLX5_CQE_OPCODE_ERROR = 0x1e,
383 MLX5_CQE_OPCODE_RESIZE = 0x16,
384
385 MLX5_OPCODE_SET_PSV = 0x20,
386 MLX5_OPCODE_GET_PSV = 0x21,
387 MLX5_OPCODE_CHECK_PSV = 0x22,
388 MLX5_OPCODE_RGET_PSV = 0x26,
389 MLX5_OPCODE_RCHECK_PSV = 0x27,
390
391 MLX5_OPCODE_UMR = 0x25,
392 MLX5_OPCODE_QOS_REMAP = 0x2a,
393
394 MLX5_OPCODE_SIGNATURE_CANCELED = (1 << 15),
395 };
396
397 enum {
398 MLX5_OPCODE_MOD_UMR_UMR = 0x0,
399 MLX5_OPCODE_MOD_UMR_TLS_TIS_STATIC_PARAMS = 0x1,
400 MLX5_OPCODE_MOD_UMR_TLS_TIR_STATIC_PARAMS = 0x2,
401 };
402
403 enum {
404 MLX5_OPCODE_MOD_PSV_PSV = 0x0,
405 MLX5_OPCODE_MOD_PSV_TLS_TIS_PROGRESS_PARAMS = 0x1,
406 MLX5_OPCODE_MOD_PSV_TLS_TIR_PROGRESS_PARAMS = 0x2,
407 };
408
409 struct mlx5_wqe_tls_static_params_seg {
410 u8 ctx[MLX5_ST_SZ_BYTES(tls_static_params)];
411 };
412
413 struct mlx5_wqe_tls_progress_params_seg {
414 u8 ctx[MLX5_ST_SZ_BYTES(tls_progress_params)];
415 } __aligned(64);
416
417 enum {
418 MLX5_SET_PORT_RESET_QKEY = 0,
419 MLX5_SET_PORT_GUID0 = 16,
420 MLX5_SET_PORT_NODE_GUID = 17,
421 MLX5_SET_PORT_SYS_GUID = 18,
422 MLX5_SET_PORT_GID_TABLE = 19,
423 MLX5_SET_PORT_PKEY_TABLE = 20,
424 };
425
426 enum {
427 MLX5_MAX_PAGE_SHIFT = 31
428 };
429
430 enum {
431 MLX5_CAP_OFF_CMDIF_CSUM = 46,
432 };
433
434 enum {
435 /*
436 * Max wqe size for rdma read is 512 bytes, so this
437 * limits our max_sge_rd as the wqe needs to fit:
438 * - ctrl segment (16 bytes)
439 * - rdma segment (16 bytes)
440 * - scatter elements (16 bytes each)
441 */
442 MLX5_MAX_SGE_RD = (512 - 16 - 16) / 16
443 };
444
445 struct mlx5_cmd_layout {
446 u8 type;
447 u8 rsvd0[3];
448 __be32 inlen;
449 __be64 in_ptr;
450 __be32 in[4];
451 __be32 out[4];
452 __be64 out_ptr;
453 __be32 outlen;
454 u8 token;
455 u8 sig;
456 u8 rsvd1;
457 u8 status_own;
458 };
459
460 enum mlx5_fatal_assert_bit_offsets {
461 MLX5_RFR_OFFSET = 31,
462 };
463
464 struct mlx5_health_buffer {
465 __be32 assert_var[5];
466 __be32 rsvd0[3];
467 __be32 assert_exit_ptr;
468 __be32 assert_callra;
469 __be32 rsvd1[2];
470 __be32 fw_ver;
471 __be32 hw_id;
472 __be32 rfr;
473 u8 irisc_index;
474 u8 synd;
475 __be16 ext_synd;
476 };
477
478 enum mlx5_initializing_bit_offsets {
479 MLX5_FW_RESET_SUPPORTED_OFFSET = 30,
480 };
481
482 enum mlx5_cmd_addr_l_sz_offset {
483 MLX5_NIC_IFC_OFFSET = 8,
484 };
485
486 struct mlx5_init_seg {
487 __be32 fw_rev;
488 __be32 cmdif_rev_fw_sub;
489 __be32 rsvd0[2];
490 __be32 cmdq_addr_h;
491 __be32 cmdq_addr_l_sz;
492 __be32 cmd_dbell;
493 __be32 rsvd1[120];
494 __be32 initializing;
495 struct mlx5_health_buffer health;
496 __be32 rsvd2[880];
497 __be32 internal_timer_h;
498 __be32 internal_timer_l;
499 __be32 rsvd3[2];
500 __be32 health_counter;
501 __be32 rsvd4[1019];
502 __be64 ieee1588_clk;
503 __be32 ieee1588_clk_type;
504 __be32 clr_intx;
505 };
506
507 struct mlx5_eqe_comp {
508 __be32 reserved[6];
509 __be32 cqn;
510 };
511
512 struct mlx5_eqe_qp_srq {
513 __be32 reserved1[5];
514 u8 type;
515 u8 reserved2[3];
516 __be32 qp_srq_n;
517 };
518
519 struct mlx5_eqe_cq_err {
520 __be32 cqn;
521 u8 reserved1[7];
522 u8 syndrome;
523 };
524
525 struct mlx5_eqe_xrq_err {
526 __be32 reserved1[5];
527 __be32 type_xrqn;
528 __be32 reserved2;
529 };
530
531 struct mlx5_eqe_port_state {
532 u8 reserved0[8];
533 u8 port;
534 };
535
536 struct mlx5_eqe_gpio {
537 __be32 reserved0[2];
538 __be64 gpio_event;
539 };
540
541 struct mlx5_eqe_congestion {
542 u8 type;
543 u8 rsvd0;
544 u8 congestion_level;
545 };
546
547 struct mlx5_eqe_stall_vl {
548 u8 rsvd0[3];
549 u8 port_vl;
550 };
551
552 struct mlx5_eqe_cmd {
553 __be32 vector;
554 __be32 rsvd[6];
555 };
556
557 struct mlx5_eqe_page_req {
558 u8 rsvd0[2];
559 __be16 func_id;
560 __be32 num_pages;
561 __be32 rsvd1[5];
562 };
563
564 struct mlx5_eqe_vport_change {
565 u8 rsvd0[2];
566 __be16 vport_num;
567 __be32 rsvd1[6];
568 };
569
570
571 #define PORT_MODULE_EVENT_MODULE_STATUS_MASK 0xF
572 #define PORT_MODULE_EVENT_ERROR_TYPE_MASK 0xF
573
574 enum {
575 MLX5_MODULE_STATUS_PLUGGED_ENABLED = 0x1,
576 MLX5_MODULE_STATUS_UNPLUGGED = 0x2,
577 MLX5_MODULE_STATUS_ERROR = 0x3,
578 MLX5_MODULE_STATUS_NUM ,
579 };
580
581 enum {
582 MLX5_MODULE_EVENT_ERROR_POWER_BUDGET_EXCEEDED = 0x0,
583 MLX5_MODULE_EVENT_ERROR_LONG_RANGE_FOR_NON_MLNX_CABLE_MODULE = 0x1,
584 MLX5_MODULE_EVENT_ERROR_BUS_STUCK = 0x2,
585 MLX5_MODULE_EVENT_ERROR_NO_EEPROM_RETRY_TIMEOUT = 0x3,
586 MLX5_MODULE_EVENT_ERROR_ENFORCE_PART_NUMBER_LIST = 0x4,
587 MLX5_MODULE_EVENT_ERROR_UNSUPPORTED_CABLE = 0x5,
588 MLX5_MODULE_EVENT_ERROR_HIGH_TEMPERATURE = 0x6,
589 MLX5_MODULE_EVENT_ERROR_CABLE_IS_SHORTED = 0x7,
590 MLX5_MODULE_EVENT_ERROR_PMD_TYPE_NOT_ENABLED = 0x8,
591 MLX5_MODULE_EVENT_ERROR_LASTER_TEC_FAILURE = 0x9,
592 MLX5_MODULE_EVENT_ERROR_HIGH_CURRENT = 0xa,
593 MLX5_MODULE_EVENT_ERROR_HIGH_VOLTAGE = 0xb,
594 MLX5_MODULE_EVENT_ERROR_PCIE_SYS_POWER_SLOT_EXCEEDED = 0xc,
595 MLX5_MODULE_EVENT_ERROR_HIGH_POWER = 0xd,
596 MLX5_MODULE_EVENT_ERROR_MODULE_STATE_MACHINE_FAULT = 0xe,
597 MLX5_MODULE_EVENT_ERROR_NUM ,
598 };
599
600 struct mlx5_eqe_port_module_event {
601 u8 rsvd0;
602 u8 module;
603 u8 rsvd1;
604 u8 module_status;
605 u8 rsvd2[2];
606 u8 error_type;
607 };
608
609 struct mlx5_eqe_general_notification_event {
610 u32 rq_user_index_delay_drop;
611 u32 rsvd0[6];
612 };
613
614 struct mlx5_eqe_dct {
615 __be32 reserved[6];
616 __be32 dctn;
617 };
618
619 struct mlx5_eqe_temp_warning {
620 __be64 sensor_warning_msb;
621 __be64 sensor_warning_lsb;
622 } __packed;
623
624 union ev_data {
625 __be32 raw[7];
626 struct mlx5_eqe_cmd cmd;
627 struct mlx5_eqe_comp comp;
628 struct mlx5_eqe_qp_srq qp_srq;
629 struct mlx5_eqe_cq_err cq_err;
630 struct mlx5_eqe_port_state port;
631 struct mlx5_eqe_gpio gpio;
632 struct mlx5_eqe_congestion cong;
633 struct mlx5_eqe_stall_vl stall_vl;
634 struct mlx5_eqe_page_req req_pages;
635 struct mlx5_eqe_port_module_event port_module_event;
636 struct mlx5_eqe_vport_change vport_change;
637 struct mlx5_eqe_general_notification_event general_notifications;
638 struct mlx5_eqe_dct dct;
639 struct mlx5_eqe_temp_warning temp_warning;
640 struct mlx5_eqe_xrq_err xrq_err;
641 } __packed;
642
643 struct mlx5_eqe {
644 u8 rsvd0;
645 u8 type;
646 u8 rsvd1;
647 u8 sub_type;
648 __be32 rsvd2[7];
649 union ev_data data;
650 __be16 rsvd3;
651 u8 signature;
652 u8 owner;
653 } __packed;
654
655 struct mlx5_cmd_prot_block {
656 u8 data[MLX5_CMD_DATA_BLOCK_SIZE];
657 u8 rsvd0[48];
658 __be64 next;
659 __be32 block_num;
660 u8 rsvd1;
661 u8 token;
662 u8 ctrl_sig;
663 u8 sig;
664 };
665
666 #define MLX5_NUM_CMDS_IN_ADAPTER_PAGE \
667 (MLX5_ADAPTER_PAGE_SIZE / MLX5_CMD_MBOX_SIZE)
668 CTASSERT(MLX5_CMD_MBOX_SIZE >= sizeof(struct mlx5_cmd_prot_block));
669 CTASSERT(MLX5_CMD_MBOX_SIZE <= MLX5_ADAPTER_PAGE_SIZE);
670
671 enum {
672 MLX5_CQE_SYND_FLUSHED_IN_ERROR = 5,
673 };
674
675 struct mlx5_err_cqe {
676 u8 rsvd0[32];
677 __be32 srqn;
678 u8 rsvd1[18];
679 u8 vendor_err_synd;
680 u8 syndrome;
681 __be32 s_wqe_opcode_qpn;
682 __be16 wqe_counter;
683 u8 signature;
684 u8 op_own;
685 };
686
687 struct mlx5_cqe64 {
688 u8 tls_outer_l3_tunneled;
689 u8 rsvd0;
690 __be16 wqe_id;
691 u8 lro_tcppsh_abort_dupack;
692 u8 lro_min_ttl;
693 __be16 lro_tcp_win;
694 __be32 lro_ack_seq_num;
695 __be32 rss_hash_result;
696 u8 rss_hash_type;
697 u8 ml_path;
698 u8 rsvd20[2];
699 __be16 check_sum;
700 __be16 slid;
701 __be32 flags_rqpn;
702 u8 hds_ip_ext;
703 u8 l4_hdr_type_etc;
704 __be16 vlan_info;
705 __be32 srqn; /* [31:24]: lro_num_seg, [23:0]: srqn */
706 __be32 imm_inval_pkey;
707 u8 rsvd40[4];
708 __be32 byte_cnt;
709 __be64 timestamp;
710 __be32 sop_drop_qpn;
711 __be16 wqe_counter;
712 u8 signature;
713 u8 op_own;
714 };
715
716 #define MLX5_CQE_TSTMP_PTP (1ULL << 63)
717
get_cqe_opcode(struct mlx5_cqe64 * cqe)718 static inline u8 get_cqe_opcode(struct mlx5_cqe64 *cqe)
719 {
720 return (cqe->op_own >> 4);
721 }
722
get_cqe_lro_timestamp_valid(struct mlx5_cqe64 * cqe)723 static inline bool get_cqe_lro_timestamp_valid(struct mlx5_cqe64 *cqe)
724 {
725 return (cqe->lro_tcppsh_abort_dupack >> 7) & 1;
726 }
727
get_cqe_lro_tcppsh(struct mlx5_cqe64 * cqe)728 static inline bool get_cqe_lro_tcppsh(struct mlx5_cqe64 *cqe)
729 {
730 return (cqe->lro_tcppsh_abort_dupack >> 6) & 1;
731 }
732
get_cqe_l4_hdr_type(struct mlx5_cqe64 * cqe)733 static inline u8 get_cqe_l4_hdr_type(struct mlx5_cqe64 *cqe)
734 {
735 return (cqe->l4_hdr_type_etc >> 4) & 0x7;
736 }
737
get_cqe_vlan(struct mlx5_cqe64 * cqe)738 static inline u16 get_cqe_vlan(struct mlx5_cqe64 *cqe)
739 {
740 return be16_to_cpu(cqe->vlan_info) & 0xfff;
741 }
742
get_cqe_smac(struct mlx5_cqe64 * cqe,u8 * smac)743 static inline void get_cqe_smac(struct mlx5_cqe64 *cqe, u8 *smac)
744 {
745 memcpy(smac, &cqe->rss_hash_type , 4);
746 memcpy(smac + 4, &cqe->slid , 2);
747 }
748
cqe_has_vlan(struct mlx5_cqe64 * cqe)749 static inline bool cqe_has_vlan(struct mlx5_cqe64 *cqe)
750 {
751 return cqe->l4_hdr_type_etc & 0x1;
752 }
753
cqe_is_tunneled(struct mlx5_cqe64 * cqe)754 static inline bool cqe_is_tunneled(struct mlx5_cqe64 *cqe)
755 {
756 return cqe->tls_outer_l3_tunneled & 0x1;
757 }
758
get_cqe_tls_offload(struct mlx5_cqe64 * cqe)759 static inline u8 get_cqe_tls_offload(struct mlx5_cqe64 *cqe)
760 {
761 return (cqe->tls_outer_l3_tunneled >> 3) & 0x3;
762 }
763
764 enum {
765 CQE_L4_HDR_TYPE_NONE = 0x0,
766 CQE_L4_HDR_TYPE_TCP_NO_ACK = 0x1,
767 CQE_L4_HDR_TYPE_UDP = 0x2,
768 CQE_L4_HDR_TYPE_TCP_ACK_NO_DATA = 0x3,
769 CQE_L4_HDR_TYPE_TCP_ACK_AND_DATA = 0x4,
770 };
771
772 enum {
773 /* source L3 hash types */
774 CQE_RSS_SRC_HTYPE_IP = 0x3 << 0,
775 CQE_RSS_SRC_HTYPE_IPV4 = 0x1 << 0,
776 CQE_RSS_SRC_HTYPE_IPV6 = 0x2 << 0,
777
778 /* destination L3 hash types */
779 CQE_RSS_DST_HTYPE_IP = 0x3 << 2,
780 CQE_RSS_DST_HTYPE_IPV4 = 0x1 << 2,
781 CQE_RSS_DST_HTYPE_IPV6 = 0x2 << 2,
782
783 /* source L4 hash types */
784 CQE_RSS_SRC_HTYPE_L4 = 0x3 << 4,
785 CQE_RSS_SRC_HTYPE_TCP = 0x1 << 4,
786 CQE_RSS_SRC_HTYPE_UDP = 0x2 << 4,
787 CQE_RSS_SRC_HTYPE_IPSEC = 0x3 << 4,
788
789 /* destination L4 hash types */
790 CQE_RSS_DST_HTYPE_L4 = 0x3 << 6,
791 CQE_RSS_DST_HTYPE_TCP = 0x1 << 6,
792 CQE_RSS_DST_HTYPE_UDP = 0x2 << 6,
793 CQE_RSS_DST_HTYPE_IPSEC = 0x3 << 6,
794 };
795
796 enum {
797 MLX5_CQE_ROCE_L3_HEADER_TYPE_GRH = 0x0,
798 MLX5_CQE_ROCE_L3_HEADER_TYPE_IPV6 = 0x1,
799 MLX5_CQE_ROCE_L3_HEADER_TYPE_IPV4 = 0x2,
800 };
801
802 enum {
803 CQE_L2_OK = 1 << 0,
804 CQE_L3_OK = 1 << 1,
805 CQE_L4_OK = 1 << 2,
806 };
807
808 enum {
809 CQE_TLS_OFFLOAD_NOT_DECRYPTED = 0x0,
810 CQE_TLS_OFFLOAD_DECRYPTED = 0x1,
811 CQE_TLS_OFFLOAD_RESYNC = 0x2,
812 CQE_TLS_OFFLOAD_ERROR = 0x3,
813 };
814
815 struct mlx5_sig_err_cqe {
816 u8 rsvd0[16];
817 __be32 expected_trans_sig;
818 __be32 actual_trans_sig;
819 __be32 expected_reftag;
820 __be32 actual_reftag;
821 __be16 syndrome;
822 u8 rsvd22[2];
823 __be32 mkey;
824 __be64 err_offset;
825 u8 rsvd30[8];
826 __be32 qpn;
827 u8 rsvd38[2];
828 u8 signature;
829 u8 op_own;
830 };
831
832 struct mlx5_wqe_srq_next_seg {
833 u8 rsvd0[2];
834 __be16 next_wqe_index;
835 u8 signature;
836 u8 rsvd1[11];
837 };
838
839 union mlx5_ext_cqe {
840 struct ib_grh grh;
841 u8 inl[64];
842 };
843
844 struct mlx5_cqe128 {
845 union mlx5_ext_cqe inl_grh;
846 struct mlx5_cqe64 cqe64;
847 };
848
849 enum {
850 MLX5_MKEY_STATUS_FREE = 1 << 6,
851 };
852
853 struct mlx5_mkey_seg {
854 /* This is a two bit field occupying bits 31-30.
855 * bit 31 is always 0,
856 * bit 30 is zero for regular MRs and 1 (e.g free) for UMRs that do not have tanslation
857 */
858 u8 status;
859 u8 pcie_control;
860 u8 flags;
861 u8 version;
862 __be32 qpn_mkey7_0;
863 u8 rsvd1[4];
864 __be32 flags_pd;
865 __be64 start_addr;
866 __be64 len;
867 __be32 bsfs_octo_size;
868 u8 rsvd2[16];
869 __be32 xlt_oct_size;
870 u8 rsvd3[3];
871 u8 log2_page_size;
872 u8 rsvd4[4];
873 };
874
875 #define MLX5_ATTR_EXTENDED_PORT_INFO cpu_to_be16(0xff90)
876
877 enum {
878 MLX_EXT_PORT_CAP_FLAG_EXTENDED_PORT_INFO = 1 << 0
879 };
880
mlx5_host_is_le(void)881 static inline int mlx5_host_is_le(void)
882 {
883 #if defined(__LITTLE_ENDIAN)
884 return 1;
885 #elif defined(__BIG_ENDIAN)
886 return 0;
887 #else
888 #error Host endianness not defined
889 #endif
890 }
891
892 #define MLX5_CMD_OP_MAX 0x939
893
894 enum {
895 VPORT_STATE_DOWN = 0x0,
896 VPORT_STATE_UP = 0x1,
897 VPORT_STATE_FOLLOW = 0x2,
898 };
899
900 enum {
901 MLX5_L3_PROT_TYPE_IPV4 = 0,
902 MLX5_L3_PROT_TYPE_IPV6 = 1,
903 };
904
905 enum {
906 MLX5_L4_PROT_TYPE_TCP = 0,
907 MLX5_L4_PROT_TYPE_UDP = 1,
908 };
909
910 enum {
911 MLX5_HASH_FIELD_SEL_SRC_IP = 1 << 0,
912 MLX5_HASH_FIELD_SEL_DST_IP = 1 << 1,
913 MLX5_HASH_FIELD_SEL_L4_SPORT = 1 << 2,
914 MLX5_HASH_FIELD_SEL_L4_DPORT = 1 << 3,
915 MLX5_HASH_FIELD_SEL_IPSEC_SPI = 1 << 4,
916 };
917
918 enum {
919 MLX5_MATCH_OUTER_HEADERS = 1 << 0,
920 MLX5_MATCH_MISC_PARAMETERS = 1 << 1,
921 MLX5_MATCH_INNER_HEADERS = 1 << 2,
922
923 };
924
925 enum {
926 MLX5_FLOW_TABLE_TYPE_NIC_RCV = 0,
927 MLX5_FLOW_TABLE_TYPE_EGRESS_ACL = 2,
928 MLX5_FLOW_TABLE_TYPE_INGRESS_ACL = 3,
929 MLX5_FLOW_TABLE_TYPE_ESWITCH = 4,
930 MLX5_FLOW_TABLE_TYPE_SNIFFER_RX = 5,
931 MLX5_FLOW_TABLE_TYPE_SNIFFER_TX = 6,
932 MLX5_FLOW_TABLE_TYPE_NIC_RX_RDMA = 7,
933 };
934
935 enum {
936 MLX5_MODIFY_ESW_VPORT_CONTEXT_CVLAN_INSERT_NONE = 0,
937 MLX5_MODIFY_ESW_VPORT_CONTEXT_CVLAN_INSERT_IF_NO_VLAN = 1,
938 MLX5_MODIFY_ESW_VPORT_CONTEXT_CVLAN_INSERT_OVERWRITE = 2
939 };
940
941 enum {
942 MLX5_MODIFY_ESW_VPORT_CONTEXT_FIELD_SELECT_SVLAN_STRIP = 1 << 0,
943 MLX5_MODIFY_ESW_VPORT_CONTEXT_FIELD_SELECT_CVLAN_STRIP = 1 << 1,
944 MLX5_MODIFY_ESW_VPORT_CONTEXT_FIELD_SELECT_SVLAN_INSERT = 1 << 2,
945 MLX5_MODIFY_ESW_VPORT_CONTEXT_FIELD_SELECT_CVLAN_INSERT = 1 << 3
946 };
947
948 enum {
949 MLX5_UC_ADDR_CHANGE = (1 << 0),
950 MLX5_MC_ADDR_CHANGE = (1 << 1),
951 MLX5_VLAN_CHANGE = (1 << 2),
952 MLX5_PROMISC_CHANGE = (1 << 3),
953 MLX5_MTU_CHANGE = (1 << 4),
954 };
955
956 enum mlx5_list_type {
957 MLX5_NIC_VPORT_LIST_TYPE_UC = 0x0,
958 MLX5_NIC_VPORT_LIST_TYPE_MC = 0x1,
959 MLX5_NIC_VPORT_LIST_TYPE_VLAN = 0x2,
960 };
961
962 enum {
963 MLX5_ESW_VPORT_ADMIN_STATE_DOWN = 0x0,
964 MLX5_ESW_VPORT_ADMIN_STATE_UP = 0x1,
965 MLX5_ESW_VPORT_ADMIN_STATE_AUTO = 0x2,
966 };
967
968 /* MLX5 DEV CAPs */
969
970 /* TODO: EAT.ME */
971 enum mlx5_cap_mode {
972 HCA_CAP_OPMOD_GET_MAX = 0,
973 HCA_CAP_OPMOD_GET_CUR = 1,
974 };
975
976 enum mlx5_cap_type {
977 MLX5_CAP_GENERAL = 0,
978 MLX5_CAP_ETHERNET_OFFLOADS,
979 MLX5_CAP_ODP,
980 MLX5_CAP_ATOMIC,
981 MLX5_CAP_ROCE,
982 MLX5_CAP_IPOIB_OFFLOADS,
983 MLX5_CAP_EOIB_OFFLOADS,
984 MLX5_CAP_FLOW_TABLE,
985 MLX5_CAP_ESWITCH_FLOW_TABLE,
986 MLX5_CAP_ESWITCH,
987 MLX5_CAP_SNAPSHOT,
988 MLX5_CAP_VECTOR_CALC,
989 MLX5_CAP_QOS,
990 MLX5_CAP_DEBUG,
991 MLX5_CAP_NVME,
992 MLX5_CAP_DMC,
993 MLX5_CAP_DEC,
994 MLX5_CAP_TLS,
995 MLX5_CAP_DEV_EVENT = 0x14,
996 MLX5_CAP_GENERAL_2 = 0x20,
997 /* NUM OF CAP Types */
998 MLX5_CAP_NUM
999 };
1000
1001 enum mlx5_qcam_reg_groups {
1002 MLX5_QCAM_REGS_FIRST_128 = 0x0,
1003 };
1004
1005 enum mlx5_qcam_feature_groups {
1006 MLX5_QCAM_FEATURE_ENHANCED_FEATURES = 0x0,
1007 };
1008
1009 enum mlx5_pcam_reg_groups {
1010 MLX5_PCAM_REGS_5000_TO_507F = 0x0,
1011 };
1012
1013 enum mlx5_pcam_feature_groups {
1014 MLX5_PCAM_FEATURE_ENHANCED_FEATURES = 0x0,
1015 };
1016
1017 enum mlx5_mcam_reg_groups {
1018 MLX5_MCAM_REGS_FIRST_128 = 0x0,
1019 };
1020
1021 enum mlx5_mcam_feature_groups {
1022 MLX5_MCAM_FEATURE_ENHANCED_FEATURES = 0x0,
1023 };
1024
1025 /* GET Dev Caps macros */
1026 #define MLX5_CAP_GEN(mdev, cap) \
1027 MLX5_GET(cmd_hca_cap, mdev->hca_caps_cur[MLX5_CAP_GENERAL], cap)
1028
1029 #define MLX5_CAP_GEN_64(mdev, cap) \
1030 MLX5_GET64(cmd_hca_cap, mdev->hca_caps_cur[MLX5_CAP_GENERAL], cap)
1031
1032 #define MLX5_CAP_GEN_MAX(mdev, cap) \
1033 MLX5_GET(cmd_hca_cap, mdev->hca_caps_max[MLX5_CAP_GENERAL], cap)
1034
1035 #define MLX5_CAP_GEN_2(mdev, cap) \
1036 MLX5_GET(cmd_hca_cap_2, mdev->hca_caps_cur[MLX5_CAP_GENERAL_2], cap)
1037
1038 #define MLX5_CAP_ETH(mdev, cap) \
1039 MLX5_GET(per_protocol_networking_offload_caps,\
1040 mdev->hca_caps_cur[MLX5_CAP_ETHERNET_OFFLOADS], cap)
1041
1042 #define MLX5_CAP_ETH_MAX(mdev, cap) \
1043 MLX5_GET(per_protocol_networking_offload_caps,\
1044 mdev->hca_caps_max[MLX5_CAP_ETHERNET_OFFLOADS], cap)
1045
1046 #define MLX5_CAP_ROCE(mdev, cap) \
1047 MLX5_GET(roce_cap, mdev->hca_caps_cur[MLX5_CAP_ROCE], cap)
1048
1049 #define MLX5_CAP_ROCE_MAX(mdev, cap) \
1050 MLX5_GET(roce_cap, mdev->hca_caps_max[MLX5_CAP_ROCE], cap)
1051
1052 #define MLX5_CAP_ATOMIC(mdev, cap) \
1053 MLX5_GET(atomic_caps, mdev->hca_caps_cur[MLX5_CAP_ATOMIC], cap)
1054
1055 #define MLX5_CAP_ATOMIC_MAX(mdev, cap) \
1056 MLX5_GET(atomic_caps, mdev->hca_caps_max[MLX5_CAP_ATOMIC], cap)
1057
1058 #define MLX5_CAP_FLOWTABLE(mdev, cap) \
1059 MLX5_GET(flow_table_nic_cap, mdev->hca_caps_cur[MLX5_CAP_FLOW_TABLE], cap)
1060
1061 #define MLX5_CAP_FLOWTABLE_MAX(mdev, cap) \
1062 MLX5_GET(flow_table_nic_cap, mdev->hca_caps_max[MLX5_CAP_FLOW_TABLE], cap)
1063
1064 #define MLX5_CAP_FLOWTABLE_NIC_RX(mdev, cap) \
1065 MLX5_CAP_FLOWTABLE(mdev, flow_table_properties_nic_receive.cap)
1066
1067 #define MLX5_CAP_FLOWTABLE_NIC_RX_MAX(mdev, cap) \
1068 MLX5_CAP_FLOWTABLE_MAX(mdev, flow_table_properties_nic_receive.cap)
1069
1070 #define MLX5_CAP_ESW_FLOWTABLE(mdev, cap) \
1071 MLX5_GET(flow_table_eswitch_cap, \
1072 mdev->hca_caps_cur[MLX5_CAP_ESWITCH_FLOW_TABLE], cap)
1073
1074 #define MLX5_CAP_ESW_FLOWTABLE_MAX(mdev, cap) \
1075 MLX5_GET(flow_table_eswitch_cap, \
1076 mdev->hca_caps_max[MLX5_CAP_ESWITCH_FLOW_TABLE], cap)
1077
1078 #define MLX5_CAP_ESW_FLOWTABLE_FDB(mdev, cap) \
1079 MLX5_CAP_ESW_FLOWTABLE(mdev, flow_table_properties_nic_esw_fdb.cap)
1080
1081 #define MLX5_CAP_ESW_FLOWTABLE_FDB_MAX(mdev, cap) \
1082 MLX5_CAP_ESW_FLOWTABLE_MAX(mdev, flow_table_properties_nic_esw_fdb.cap)
1083
1084 #define MLX5_CAP_ESW_EGRESS_ACL(mdev, cap) \
1085 MLX5_CAP_ESW_FLOWTABLE(mdev, flow_table_properties_esw_acl_egress.cap)
1086
1087 #define MLX5_CAP_ESW_EGRESS_ACL_MAX(mdev, cap) \
1088 MLX5_CAP_ESW_FLOWTABLE_MAX(mdev, flow_table_properties_esw_acl_egress.cap)
1089
1090 #define MLX5_CAP_ESW_INGRESS_ACL(mdev, cap) \
1091 MLX5_CAP_ESW_FLOWTABLE(mdev, flow_table_properties_esw_acl_ingress.cap)
1092
1093 #define MLX5_CAP_ESW_INGRESS_ACL_MAX(mdev, cap) \
1094 MLX5_CAP_ESW_FLOWTABLE_MAX(mdev, flow_table_properties_esw_acl_ingress.cap)
1095
1096 #define MLX5_CAP_ESW(mdev, cap) \
1097 MLX5_GET(e_switch_cap, \
1098 mdev->hca_caps_cur[MLX5_CAP_ESWITCH], cap)
1099
1100 #define MLX5_CAP_ESW_MAX(mdev, cap) \
1101 MLX5_GET(e_switch_cap, \
1102 mdev->hca_caps_max[MLX5_CAP_ESWITCH], cap)
1103
1104 #define MLX5_CAP_ODP(mdev, cap)\
1105 MLX5_GET(odp_cap, mdev->hca_caps_cur[MLX5_CAP_ODP], cap)
1106
1107 #define MLX5_CAP_ODP_MAX(mdev, cap)\
1108 MLX5_GET(odp_cap, mdev->hca_caps_max[MLX5_CAP_ODP], cap)
1109
1110 #define MLX5_CAP_SNAPSHOT(mdev, cap) \
1111 MLX5_GET(snapshot_cap, \
1112 mdev->hca_caps_cur[MLX5_CAP_SNAPSHOT], cap)
1113
1114 #define MLX5_CAP_SNAPSHOT_MAX(mdev, cap) \
1115 MLX5_GET(snapshot_cap, \
1116 mdev->hca_caps_max[MLX5_CAP_SNAPSHOT], cap)
1117
1118 #define MLX5_CAP_EOIB_OFFLOADS(mdev, cap) \
1119 MLX5_GET(per_protocol_networking_offload_caps,\
1120 mdev->hca_caps_cur[MLX5_CAP_EOIB_OFFLOADS], cap)
1121
1122 #define MLX5_CAP_EOIB_OFFLOADS_MAX(mdev, cap) \
1123 MLX5_GET(per_protocol_networking_offload_caps,\
1124 mdev->hca_caps_max[MLX5_CAP_EOIB_OFFLOADS], cap)
1125
1126 #define MLX5_CAP_DEBUG(mdev, cap) \
1127 MLX5_GET(debug_cap, \
1128 mdev->hca_caps_cur[MLX5_CAP_DEBUG], cap)
1129
1130 #define MLX5_CAP_DEBUG_MAX(mdev, cap) \
1131 MLX5_GET(debug_cap, \
1132 mdev->hca_caps_max[MLX5_CAP_DEBUG], cap)
1133
1134 #define MLX5_CAP_QOS(mdev, cap) \
1135 MLX5_GET(qos_cap,\
1136 mdev->hca_caps_cur[MLX5_CAP_QOS], cap)
1137
1138 #define MLX5_CAP_QOS_MAX(mdev, cap) \
1139 MLX5_GET(qos_cap,\
1140 mdev->hca_caps_max[MLX5_CAP_QOS], cap)
1141
1142 #define MLX5_CAP_PCAM_FEATURE(mdev, fld) \
1143 MLX5_GET(pcam_reg, (mdev)->caps.pcam, feature_cap_mask.enhanced_features.fld)
1144
1145 #define MLX5_CAP_PCAM_REG(mdev, reg) \
1146 MLX5_GET(pcam_reg, (mdev)->caps.pcam, port_access_reg_cap_mask.regs_5000_to_507f.reg)
1147
1148 #define MLX5_CAP_MCAM_FEATURE(mdev, fld) \
1149 MLX5_GET(mcam_reg, (mdev)->caps.mcam, mng_feature_cap_mask.enhanced_features.fld)
1150
1151 #define MLX5_CAP_MCAM_REG(mdev, reg) \
1152 MLX5_GET(mcam_reg, (mdev)->caps.mcam, mng_access_reg_cap_mask.access_regs.reg)
1153
1154 #define MLX5_CAP_QCAM_REG(mdev, fld) \
1155 MLX5_GET(qcam_reg, (mdev)->caps.qcam, qos_access_reg_cap_mask.reg_cap.fld)
1156
1157 #define MLX5_CAP_QCAM_FEATURE(mdev, fld) \
1158 MLX5_GET(qcam_reg, (mdev)->caps.qcam, qos_feature_cap_mask.feature_cap.fld)
1159
1160 #define MLX5_CAP_FPGA(mdev, cap) \
1161 MLX5_GET(fpga_cap, (mdev)->caps.fpga, cap)
1162
1163 #define MLX5_CAP64_FPGA(mdev, cap) \
1164 MLX5_GET64(fpga_cap, (mdev)->caps.fpga, cap)
1165
1166 #define MLX5_CAP_TLS(mdev, cap) \
1167 MLX5_GET(tls_capabilities, (mdev)->hca_caps_cur[MLX5_CAP_TLS], cap)
1168
1169 #define MLX5_CAP_DEV_EVENT(mdev, cap)\
1170 MLX5_ADDR_OF(device_event_cap, (mdev)->hca_caps_cur[MLX5_CAP_DEV_EVENT], cap)
1171
1172 enum {
1173 MLX5_CMD_STAT_OK = 0x0,
1174 MLX5_CMD_STAT_INT_ERR = 0x1,
1175 MLX5_CMD_STAT_BAD_OP_ERR = 0x2,
1176 MLX5_CMD_STAT_BAD_PARAM_ERR = 0x3,
1177 MLX5_CMD_STAT_BAD_SYS_STATE_ERR = 0x4,
1178 MLX5_CMD_STAT_BAD_RES_ERR = 0x5,
1179 MLX5_CMD_STAT_RES_BUSY = 0x6,
1180 MLX5_CMD_STAT_LIM_ERR = 0x8,
1181 MLX5_CMD_STAT_BAD_RES_STATE_ERR = 0x9,
1182 MLX5_CMD_STAT_IX_ERR = 0xa,
1183 MLX5_CMD_STAT_NO_RES_ERR = 0xf,
1184 MLX5_CMD_STAT_BAD_INP_LEN_ERR = 0x50,
1185 MLX5_CMD_STAT_BAD_OUTP_LEN_ERR = 0x51,
1186 MLX5_CMD_STAT_BAD_QP_STATE_ERR = 0x10,
1187 MLX5_CMD_STAT_BAD_PKT_ERR = 0x30,
1188 MLX5_CMD_STAT_BAD_SIZE_OUTS_CQES_ERR = 0x40,
1189 };
1190
1191 enum {
1192 MLX5_IEEE_802_3_COUNTERS_GROUP = 0x0,
1193 MLX5_RFC_2863_COUNTERS_GROUP = 0x1,
1194 MLX5_RFC_2819_COUNTERS_GROUP = 0x2,
1195 MLX5_RFC_3635_COUNTERS_GROUP = 0x3,
1196 MLX5_ETHERNET_EXTENDED_COUNTERS_GROUP = 0x5,
1197 MLX5_ETHERNET_DISCARD_COUNTERS_GROUP = 0x6,
1198 MLX5_PER_PRIORITY_COUNTERS_GROUP = 0x10,
1199 MLX5_PER_TRAFFIC_CLASS_COUNTERS_GROUP = 0x11,
1200 MLX5_PHYSICAL_LAYER_COUNTERS_GROUP = 0x12,
1201 MLX5_PHYSICAL_LAYER_STATISTICAL_GROUP = 0x16,
1202 MLX5_INFINIBAND_PORT_COUNTERS_GROUP = 0x20,
1203 };
1204
1205 enum {
1206 MLX5_PCIE_PERFORMANCE_COUNTERS_GROUP = 0x0,
1207 MLX5_PCIE_LANE_COUNTERS_GROUP = 0x1,
1208 MLX5_PCIE_TIMERS_AND_STATES_COUNTERS_GROUP = 0x2,
1209 };
1210
1211 enum {
1212 MLX5_CAP_PORT_TYPE_IB = 0x0,
1213 MLX5_CAP_PORT_TYPE_ETH = 0x1,
1214 };
1215
1216 enum {
1217 MLX5_CMD_HCA_CAP_MIN_WQE_INLINE_MODE_L2 = 0x0,
1218 MLX5_CMD_HCA_CAP_MIN_WQE_INLINE_MODE_VPORT_CONFIG = 0x1,
1219 MLX5_CMD_HCA_CAP_MIN_WQE_INLINE_MODE_NOT_REQUIRED = 0x2
1220 };
1221
1222 enum mlx5_inline_modes {
1223 MLX5_INLINE_MODE_NONE,
1224 MLX5_INLINE_MODE_L2,
1225 MLX5_INLINE_MODE_IP,
1226 MLX5_INLINE_MODE_TCP_UDP,
1227 };
1228
1229 enum {
1230 MLX5_QUERY_VPORT_STATE_OUT_STATE_FOLLOW = 0x2,
1231 };
1232
mlx5_to_sw_pkey_sz(int pkey_sz)1233 static inline u16 mlx5_to_sw_pkey_sz(int pkey_sz)
1234 {
1235 if (pkey_sz > MLX5_MAX_LOG_PKEY_TABLE)
1236 return 0;
1237 return MLX5_MIN_PKEY_TABLE_SIZE << pkey_sz;
1238 }
1239
1240 struct mlx5_ifc_mcia_reg_bits {
1241 u8 l[0x1];
1242 u8 reserved_0[0x7];
1243 u8 module[0x8];
1244 u8 reserved_1[0x8];
1245 u8 status[0x8];
1246
1247 u8 i2c_device_address[0x8];
1248 u8 page_number[0x8];
1249 u8 device_address[0x10];
1250
1251 u8 reserved_2[0x10];
1252 u8 size[0x10];
1253
1254 u8 reserved_3[0x20];
1255
1256 u8 dword_0[0x20];
1257 u8 dword_1[0x20];
1258 u8 dword_2[0x20];
1259 u8 dword_3[0x20];
1260 u8 dword_4[0x20];
1261 u8 dword_5[0x20];
1262 u8 dword_6[0x20];
1263 u8 dword_7[0x20];
1264 u8 dword_8[0x20];
1265 u8 dword_9[0x20];
1266 u8 dword_10[0x20];
1267 u8 dword_11[0x20];
1268 };
1269
1270 #define MLX5_CMD_OP_QUERY_EEPROM 0x93c
1271
1272 struct mlx5_mini_cqe8 {
1273 union {
1274 __be32 rx_hash_result;
1275 __be16 checksum;
1276 __be16 rsvd;
1277 struct {
1278 __be16 wqe_counter;
1279 u8 s_wqe_opcode;
1280 u8 reserved;
1281 } s_wqe_info;
1282 };
1283 __be32 byte_cnt;
1284 };
1285
1286 enum {
1287 MLX5_NO_INLINE_DATA,
1288 MLX5_INLINE_DATA32_SEG,
1289 MLX5_INLINE_DATA64_SEG,
1290 MLX5_COMPRESSED,
1291 };
1292
1293 enum mlx5_exp_cqe_zip_recv_type {
1294 MLX5_CQE_FORMAT_HASH,
1295 MLX5_CQE_FORMAT_CSUM,
1296 };
1297
1298 #define MLX5E_CQE_FORMAT_MASK 0xc
mlx5_get_cqe_format(const struct mlx5_cqe64 * cqe)1299 static inline int mlx5_get_cqe_format(const struct mlx5_cqe64 *cqe)
1300 {
1301 return (cqe->op_own & MLX5E_CQE_FORMAT_MASK) >> 2;
1302 }
1303
1304 enum {
1305 MLX5_GEN_EVENT_SUBTYPE_DELAY_DROP_TIMEOUT = 0x1,
1306 MLX5_GEN_EVENT_SUBTYPE_PCI_POWER_CHANGE_EVENT = 0x5,
1307 };
1308
1309 enum {
1310 MLX5_FRL_LEVEL3 = 0x8,
1311 MLX5_FRL_LEVEL6 = 0x40,
1312 };
1313
1314 /* 8 regular priorities + 1 for multicast */
1315 #define MLX5_NUM_BYPASS_FTS 9
1316
1317 #endif /* MLX5_DEVICE_H */
1318