xref: /linux/drivers/infiniband/hw/erdma/erdma_hw.h (revision 702648721db590b3425c31ade294000e18808345)
1 /* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */
2 
3 /* Authors: Cheng Xu <chengyou@linux.alibaba.com> */
4 /*          Kai Shen <kaishen@linux.alibaba.com> */
5 /* Copyright (c) 2020-2022, Alibaba Group. */
6 
7 #ifndef __ERDMA_HW_H__
8 #define __ERDMA_HW_H__
9 
10 #include <linux/kernel.h>
11 #include <linux/types.h>
12 
13 /* PCIe device related definition. */
14 #define PCI_VENDOR_ID_ALIBABA 0x1ded
15 
16 #define ERDMA_PCI_WIDTH 64
17 #define ERDMA_FUNC_BAR 0
18 #define ERDMA_MISX_BAR 2
19 
20 #define ERDMA_BAR_MASK (BIT(ERDMA_FUNC_BAR) | BIT(ERDMA_MISX_BAR))
21 
22 /* MSI-X related. */
23 #define ERDMA_NUM_MSIX_VEC 32U
24 #define ERDMA_MSIX_VECTOR_CMDQ 0
25 
26 /* PCIe Bar0 Registers. */
27 #define ERDMA_REGS_VERSION_REG 0x0
28 #define ERDMA_REGS_DEV_CTRL_REG 0x10
29 #define ERDMA_REGS_DEV_ST_REG 0x14
30 #define ERDMA_REGS_NETDEV_MAC_L_REG 0x18
31 #define ERDMA_REGS_NETDEV_MAC_H_REG 0x1C
32 #define ERDMA_REGS_CMDQ_SQ_ADDR_L_REG 0x20
33 #define ERDMA_REGS_CMDQ_SQ_ADDR_H_REG 0x24
34 #define ERDMA_REGS_CMDQ_CQ_ADDR_L_REG 0x28
35 #define ERDMA_REGS_CMDQ_CQ_ADDR_H_REG 0x2C
36 #define ERDMA_REGS_CMDQ_DEPTH_REG 0x30
37 #define ERDMA_REGS_CMDQ_EQ_DEPTH_REG 0x34
38 #define ERDMA_REGS_CMDQ_EQ_ADDR_L_REG 0x38
39 #define ERDMA_REGS_CMDQ_EQ_ADDR_H_REG 0x3C
40 #define ERDMA_REGS_AEQ_ADDR_L_REG 0x40
41 #define ERDMA_REGS_AEQ_ADDR_H_REG 0x44
42 #define ERDMA_REGS_AEQ_DEPTH_REG 0x48
43 #define ERDMA_REGS_GRP_NUM_REG 0x4c
44 #define ERDMA_REGS_AEQ_DB_REG 0x50
45 #define ERDMA_CMDQ_SQ_DB_HOST_ADDR_REG 0x60
46 #define ERDMA_CMDQ_CQ_DB_HOST_ADDR_REG 0x68
47 #define ERDMA_CMDQ_EQ_DB_HOST_ADDR_REG 0x70
48 #define ERDMA_AEQ_DB_HOST_ADDR_REG 0x78
49 #define ERDMA_REGS_STATS_TSO_IN_PKTS_REG 0x80
50 #define ERDMA_REGS_STATS_TSO_OUT_PKTS_REG 0x88
51 #define ERDMA_REGS_STATS_TSO_OUT_BYTES_REG 0x90
52 #define ERDMA_REGS_STATS_TX_DROP_PKTS_REG 0x98
53 #define ERDMA_REGS_STATS_TX_BPS_METER_DROP_PKTS_REG 0xa0
54 #define ERDMA_REGS_STATS_TX_PPS_METER_DROP_PKTS_REG 0xa8
55 #define ERDMA_REGS_STATS_RX_PKTS_REG 0xc0
56 #define ERDMA_REGS_STATS_RX_BYTES_REG 0xc8
57 #define ERDMA_REGS_STATS_RX_DROP_PKTS_REG 0xd0
58 #define ERDMA_REGS_STATS_RX_BPS_METER_DROP_PKTS_REG 0xd8
59 #define ERDMA_REGS_STATS_RX_PPS_METER_DROP_PKTS_REG 0xe0
60 #define ERDMA_REGS_CEQ_DB_BASE_REG 0x100
61 #define ERDMA_CMDQ_SQDB_REG 0x200
62 #define ERDMA_CMDQ_CQDB_REG 0x300
63 
64 /* DEV_CTRL_REG details. */
65 #define ERDMA_REG_DEV_CTRL_RESET_MASK 0x00000001
66 #define ERDMA_REG_DEV_CTRL_INIT_MASK 0x00000002
67 
68 /* DEV_ST_REG details. */
69 #define ERDMA_REG_DEV_ST_RESET_DONE_MASK 0x00000001U
70 #define ERDMA_REG_DEV_ST_INIT_DONE_MASK 0x00000002U
71 
72 /* eRDMA PCIe DBs definition. */
73 #define ERDMA_BAR_DB_SPACE_BASE 4096
74 
75 #define ERDMA_BAR_SQDB_SPACE_OFFSET ERDMA_BAR_DB_SPACE_BASE
76 #define ERDMA_BAR_SQDB_SPACE_SIZE (384 * 1024)
77 
78 #define ERDMA_BAR_RQDB_SPACE_OFFSET \
79 	(ERDMA_BAR_SQDB_SPACE_OFFSET + ERDMA_BAR_SQDB_SPACE_SIZE)
80 #define ERDMA_BAR_RQDB_SPACE_SIZE (96 * 1024)
81 
82 #define ERDMA_BAR_CQDB_SPACE_OFFSET \
83 	(ERDMA_BAR_RQDB_SPACE_OFFSET + ERDMA_BAR_RQDB_SPACE_SIZE)
84 
85 /* Doorbell page resources related. */
86 /*
87  * Max # of parallelly issued directSQE is 3072 per device,
88  * hardware organizes this into 24 group, per group has 128 credits.
89  */
90 #define ERDMA_DWQE_MAX_GRP_CNT 24
91 #define ERDMA_DWQE_NUM_PER_GRP 128
92 
93 #define ERDMA_DWQE_TYPE0_CNT 64
94 #define ERDMA_DWQE_TYPE1_CNT 496
95 /* type1 DB contains 2 DBs, takes 256Byte. */
96 #define ERDMA_DWQE_TYPE1_CNT_PER_PAGE 16
97 
98 #define ERDMA_SDB_SHARED_PAGE_INDEX 95
99 
100 /* Doorbell related. */
101 #define ERDMA_DB_SIZE 8
102 
103 #define ERDMA_CQDB_IDX_MASK GENMASK_ULL(63, 56)
104 #define ERDMA_CQDB_CQN_MASK GENMASK_ULL(55, 32)
105 #define ERDMA_CQDB_ARM_MASK BIT_ULL(31)
106 #define ERDMA_CQDB_SOL_MASK BIT_ULL(30)
107 #define ERDMA_CQDB_CMDSN_MASK GENMASK_ULL(29, 28)
108 #define ERDMA_CQDB_CI_MASK GENMASK_ULL(23, 0)
109 
110 #define ERDMA_EQDB_ARM_MASK BIT(31)
111 #define ERDMA_EQDB_CI_MASK GENMASK_ULL(23, 0)
112 
113 #define ERDMA_PAGE_SIZE_SUPPORT 0x7FFFF000
114 
115 /* Hardware page size definition */
116 #define ERDMA_HW_PAGE_SHIFT 12
117 #define ERDMA_HW_PAGE_SIZE 4096
118 
119 /* WQE related. */
120 #define EQE_SIZE 16
121 #define EQE_SHIFT 4
122 #define RQE_SIZE 32
123 #define RQE_SHIFT 5
124 #define CQE_SIZE 32
125 #define CQE_SHIFT 5
126 #define SQEBB_SIZE 32
127 #define SQEBB_SHIFT 5
128 #define SQEBB_MASK (~(SQEBB_SIZE - 1))
129 #define SQEBB_ALIGN(size) ((size + SQEBB_SIZE - 1) & SQEBB_MASK)
130 #define SQEBB_COUNT(size) (SQEBB_ALIGN(size) >> SQEBB_SHIFT)
131 
132 #define ERDMA_MAX_SQE_SIZE 128
133 #define ERDMA_MAX_WQEBB_PER_SQE 4
134 
135 /* CMDQ related. */
136 #define ERDMA_CMDQ_MAX_OUTSTANDING 128
137 #define ERDMA_CMDQ_SQE_SIZE 64
138 
139 /* cmdq sub module definition. */
140 enum CMDQ_WQE_SUB_MOD {
141 	CMDQ_SUBMOD_RDMA = 0,
142 	CMDQ_SUBMOD_COMMON = 1
143 };
144 
145 enum CMDQ_RDMA_OPCODE {
146 	CMDQ_OPCODE_QUERY_DEVICE = 0,
147 	CMDQ_OPCODE_CREATE_QP = 1,
148 	CMDQ_OPCODE_DESTROY_QP = 2,
149 	CMDQ_OPCODE_MODIFY_QP = 3,
150 	CMDQ_OPCODE_CREATE_CQ = 4,
151 	CMDQ_OPCODE_DESTROY_CQ = 5,
152 	CMDQ_OPCODE_REFLUSH = 6,
153 	CMDQ_OPCODE_REG_MR = 8,
154 	CMDQ_OPCODE_DEREG_MR = 9
155 };
156 
157 enum CMDQ_COMMON_OPCODE {
158 	CMDQ_OPCODE_CREATE_EQ = 0,
159 	CMDQ_OPCODE_DESTROY_EQ = 1,
160 	CMDQ_OPCODE_QUERY_FW_INFO = 2,
161 	CMDQ_OPCODE_CONF_MTU = 3,
162 };
163 
164 /* cmdq-SQE HDR */
165 #define ERDMA_CMD_HDR_WQEBB_CNT_MASK GENMASK_ULL(54, 52)
166 #define ERDMA_CMD_HDR_CONTEXT_COOKIE_MASK GENMASK_ULL(47, 32)
167 #define ERDMA_CMD_HDR_SUB_MOD_MASK GENMASK_ULL(25, 24)
168 #define ERDMA_CMD_HDR_OPCODE_MASK GENMASK_ULL(23, 16)
169 #define ERDMA_CMD_HDR_WQEBB_INDEX_MASK GENMASK_ULL(15, 0)
170 
171 struct erdma_cmdq_destroy_cq_req {
172 	u64 hdr;
173 	u32 cqn;
174 };
175 
176 #define ERDMA_EQ_TYPE_AEQ 0
177 #define ERDMA_EQ_TYPE_CEQ 1
178 
179 struct erdma_cmdq_create_eq_req {
180 	u64 hdr;
181 	u64 qbuf_addr;
182 	u8 vector_idx;
183 	u8 eqn;
184 	u8 depth;
185 	u8 qtype;
186 	u32 db_dma_addr_l;
187 	u32 db_dma_addr_h;
188 };
189 
190 struct erdma_cmdq_destroy_eq_req {
191 	u64 hdr;
192 	u64 rsvd0;
193 	u8 vector_idx;
194 	u8 eqn;
195 	u8 rsvd1;
196 	u8 qtype;
197 };
198 
199 struct erdma_cmdq_config_mtu_req {
200 	u64 hdr;
201 	u32 mtu;
202 };
203 
204 /* create_cq cfg0 */
205 #define ERDMA_CMD_CREATE_CQ_DEPTH_MASK GENMASK(31, 24)
206 #define ERDMA_CMD_CREATE_CQ_PAGESIZE_MASK GENMASK(23, 20)
207 #define ERDMA_CMD_CREATE_CQ_CQN_MASK GENMASK(19, 0)
208 
209 /* create_cq cfg1 */
210 #define ERDMA_CMD_CREATE_CQ_MTT_CNT_MASK GENMASK(31, 16)
211 #define ERDMA_CMD_CREATE_CQ_MTT_TYPE_MASK BIT(15)
212 #define ERDMA_CMD_CREATE_CQ_EQN_MASK GENMASK(9, 0)
213 
214 struct erdma_cmdq_create_cq_req {
215 	u64 hdr;
216 	u32 cfg0;
217 	u32 qbuf_addr_l;
218 	u32 qbuf_addr_h;
219 	u32 cfg1;
220 	u64 cq_db_info_addr;
221 	u32 first_page_offset;
222 };
223 
224 /* regmr/deregmr cfg0 */
225 #define ERDMA_CMD_MR_VALID_MASK BIT(31)
226 #define ERDMA_CMD_MR_KEY_MASK GENMASK(27, 20)
227 #define ERDMA_CMD_MR_MPT_IDX_MASK GENMASK(19, 0)
228 
229 /* regmr cfg1 */
230 #define ERDMA_CMD_REGMR_PD_MASK GENMASK(31, 12)
231 #define ERDMA_CMD_REGMR_TYPE_MASK GENMASK(7, 6)
232 #define ERDMA_CMD_REGMR_RIGHT_MASK GENMASK(5, 1)
233 
234 /* regmr cfg2 */
235 #define ERDMA_CMD_REGMR_PAGESIZE_MASK GENMASK(31, 27)
236 #define ERDMA_CMD_REGMR_MTT_TYPE_MASK GENMASK(21, 20)
237 #define ERDMA_CMD_REGMR_MTT_CNT_MASK GENMASK(19, 0)
238 
239 struct erdma_cmdq_reg_mr_req {
240 	u64 hdr;
241 	u32 cfg0;
242 	u32 cfg1;
243 	u64 start_va;
244 	u32 size;
245 	u32 cfg2;
246 	u64 phy_addr[4];
247 };
248 
249 struct erdma_cmdq_dereg_mr_req {
250 	u64 hdr;
251 	u32 cfg;
252 };
253 
254 /* modify qp cfg */
255 #define ERDMA_CMD_MODIFY_QP_STATE_MASK GENMASK(31, 24)
256 #define ERDMA_CMD_MODIFY_QP_CC_MASK GENMASK(23, 20)
257 #define ERDMA_CMD_MODIFY_QP_QPN_MASK GENMASK(19, 0)
258 
259 struct erdma_cmdq_modify_qp_req {
260 	u64 hdr;
261 	u32 cfg;
262 	u32 cookie;
263 	__be32 dip;
264 	__be32 sip;
265 	__be16 sport;
266 	__be16 dport;
267 	u32 send_nxt;
268 	u32 recv_nxt;
269 };
270 
271 /* create qp cfg0 */
272 #define ERDMA_CMD_CREATE_QP_SQ_DEPTH_MASK GENMASK(31, 20)
273 #define ERDMA_CMD_CREATE_QP_QPN_MASK GENMASK(19, 0)
274 
275 /* create qp cfg1 */
276 #define ERDMA_CMD_CREATE_QP_RQ_DEPTH_MASK GENMASK(31, 20)
277 #define ERDMA_CMD_CREATE_QP_PD_MASK GENMASK(19, 0)
278 
279 /* create qp cqn_mtt_cfg */
280 #define ERDMA_CMD_CREATE_QP_PAGE_SIZE_MASK GENMASK(31, 28)
281 #define ERDMA_CMD_CREATE_QP_CQN_MASK GENMASK(23, 0)
282 
283 /* create qp mtt_cfg */
284 #define ERDMA_CMD_CREATE_QP_PAGE_OFFSET_MASK GENMASK(31, 12)
285 #define ERDMA_CMD_CREATE_QP_MTT_CNT_MASK GENMASK(11, 1)
286 #define ERDMA_CMD_CREATE_QP_MTT_TYPE_MASK BIT(0)
287 
288 #define ERDMA_CMDQ_CREATE_QP_RESP_COOKIE_MASK GENMASK_ULL(31, 0)
289 
290 struct erdma_cmdq_create_qp_req {
291 	u64 hdr;
292 	u32 cfg0;
293 	u32 cfg1;
294 	u32 sq_cqn_mtt_cfg;
295 	u32 rq_cqn_mtt_cfg;
296 	u64 sq_buf_addr;
297 	u64 rq_buf_addr;
298 	u32 sq_mtt_cfg;
299 	u32 rq_mtt_cfg;
300 	u64 sq_db_info_dma_addr;
301 	u64 rq_db_info_dma_addr;
302 };
303 
304 struct erdma_cmdq_destroy_qp_req {
305 	u64 hdr;
306 	u32 qpn;
307 };
308 
309 struct erdma_cmdq_reflush_req {
310 	u64 hdr;
311 	u32 qpn;
312 	u32 sq_pi;
313 	u32 rq_pi;
314 };
315 
316 /* cap qword 0 definition */
317 #define ERDMA_CMD_DEV_CAP_MAX_CQE_MASK GENMASK_ULL(47, 40)
318 #define ERDMA_CMD_DEV_CAP_FLAGS_MASK GENMASK_ULL(31, 24)
319 #define ERDMA_CMD_DEV_CAP_MAX_RECV_WR_MASK GENMASK_ULL(23, 16)
320 #define ERDMA_CMD_DEV_CAP_MAX_MR_SIZE_MASK GENMASK_ULL(7, 0)
321 
322 /* cap qword 1 definition */
323 #define ERDMA_CMD_DEV_CAP_DMA_LOCAL_KEY_MASK GENMASK_ULL(63, 32)
324 #define ERDMA_CMD_DEV_CAP_DEFAULT_CC_MASK GENMASK_ULL(31, 28)
325 #define ERDMA_CMD_DEV_CAP_QBLOCK_MASK GENMASK_ULL(27, 16)
326 #define ERDMA_CMD_DEV_CAP_MAX_MW_MASK GENMASK_ULL(7, 0)
327 
328 #define ERDMA_NQP_PER_QBLOCK 1024
329 
330 enum {
331 	ERDMA_DEV_CAP_FLAGS_ATOMIC = 1 << 7,
332 };
333 
334 #define ERDMA_CMD_INFO0_FW_VER_MASK GENMASK_ULL(31, 0)
335 
336 /* CQE hdr */
337 #define ERDMA_CQE_HDR_OWNER_MASK BIT(31)
338 #define ERDMA_CQE_HDR_OPCODE_MASK GENMASK(23, 16)
339 #define ERDMA_CQE_HDR_QTYPE_MASK GENMASK(15, 8)
340 #define ERDMA_CQE_HDR_SYNDROME_MASK GENMASK(7, 0)
341 
342 #define ERDMA_CQE_QTYPE_SQ 0
343 #define ERDMA_CQE_QTYPE_RQ 1
344 #define ERDMA_CQE_QTYPE_CMDQ 2
345 
346 struct erdma_cqe {
347 	__be32 hdr;
348 	__be32 qe_idx;
349 	__be32 qpn;
350 	union {
351 		__le32 imm_data;
352 		__be32 inv_rkey;
353 	};
354 	__be32 size;
355 	__be32 rsvd[3];
356 };
357 
358 struct erdma_sge {
359 	__aligned_le64 addr;
360 	__le32 length;
361 	__le32 key;
362 };
363 
364 /* Receive Queue Element */
365 struct erdma_rqe {
366 	__le16 qe_idx;
367 	__le16 rsvd0;
368 	__le32 qpn;
369 	__le32 rsvd1;
370 	__le32 rsvd2;
371 	__le64 to;
372 	__le32 length;
373 	__le32 stag;
374 };
375 
376 /* SQE */
377 #define ERDMA_SQE_HDR_SGL_LEN_MASK GENMASK_ULL(63, 56)
378 #define ERDMA_SQE_HDR_WQEBB_CNT_MASK GENMASK_ULL(54, 52)
379 #define ERDMA_SQE_HDR_QPN_MASK GENMASK_ULL(51, 32)
380 #define ERDMA_SQE_HDR_OPCODE_MASK GENMASK_ULL(31, 27)
381 #define ERDMA_SQE_HDR_DWQE_MASK BIT_ULL(26)
382 #define ERDMA_SQE_HDR_INLINE_MASK BIT_ULL(25)
383 #define ERDMA_SQE_HDR_FENCE_MASK BIT_ULL(24)
384 #define ERDMA_SQE_HDR_SE_MASK BIT_ULL(23)
385 #define ERDMA_SQE_HDR_CE_MASK BIT_ULL(22)
386 #define ERDMA_SQE_HDR_WQEBB_INDEX_MASK GENMASK_ULL(15, 0)
387 
388 /* REG MR attrs */
389 #define ERDMA_SQE_MR_ACCESS_MASK GENMASK(5, 1)
390 #define ERDMA_SQE_MR_MTT_TYPE_MASK GENMASK(7, 6)
391 #define ERDMA_SQE_MR_MTT_CNT_MASK GENMASK(31, 12)
392 
393 struct erdma_write_sqe {
394 	__le64 hdr;
395 	__be32 imm_data;
396 	__le32 length;
397 
398 	__le32 sink_stag;
399 	__le32 sink_to_l;
400 	__le32 sink_to_h;
401 
402 	__le32 rsvd;
403 
404 	struct erdma_sge sgl[];
405 };
406 
407 struct erdma_send_sqe {
408 	__le64 hdr;
409 	union {
410 		__be32 imm_data;
411 		__le32 invalid_stag;
412 	};
413 
414 	__le32 length;
415 	struct erdma_sge sgl[];
416 };
417 
418 struct erdma_readreq_sqe {
419 	__le64 hdr;
420 	__le32 invalid_stag;
421 	__le32 length;
422 	__le32 sink_stag;
423 	__le32 sink_to_l;
424 	__le32 sink_to_h;
425 	__le32 rsvd;
426 };
427 
428 struct erdma_atomic_sqe {
429 	__le64 hdr;
430 	__le64 rsvd;
431 	__le64 fetchadd_swap_data;
432 	__le64 cmp_data;
433 
434 	struct erdma_sge remote;
435 	struct erdma_sge sgl;
436 };
437 
438 struct erdma_reg_mr_sqe {
439 	__le64 hdr;
440 	__le64 addr;
441 	__le32 length;
442 	__le32 stag;
443 	__le32 attrs;
444 	__le32 rsvd;
445 };
446 
447 /* EQ related. */
448 #define ERDMA_DEFAULT_EQ_DEPTH 4096
449 
450 /* ceqe */
451 #define ERDMA_CEQE_HDR_DB_MASK BIT_ULL(63)
452 #define ERDMA_CEQE_HDR_PI_MASK GENMASK_ULL(55, 32)
453 #define ERDMA_CEQE_HDR_O_MASK BIT_ULL(31)
454 #define ERDMA_CEQE_HDR_CQN_MASK GENMASK_ULL(19, 0)
455 
456 /* aeqe */
457 #define ERDMA_AEQE_HDR_O_MASK BIT(31)
458 #define ERDMA_AEQE_HDR_TYPE_MASK GENMASK(23, 16)
459 #define ERDMA_AEQE_HDR_SUBTYPE_MASK GENMASK(7, 0)
460 
461 #define ERDMA_AE_TYPE_QP_FATAL_EVENT 0
462 #define ERDMA_AE_TYPE_QP_ERQ_ERR_EVENT 1
463 #define ERDMA_AE_TYPE_ACC_ERR_EVENT 2
464 #define ERDMA_AE_TYPE_CQ_ERR 3
465 #define ERDMA_AE_TYPE_OTHER_ERROR 4
466 
467 struct erdma_aeqe {
468 	__le32 hdr;
469 	__le32 event_data0;
470 	__le32 event_data1;
471 	__le32 rsvd;
472 };
473 
474 enum erdma_opcode {
475 	ERDMA_OP_WRITE = 0,
476 	ERDMA_OP_READ = 1,
477 	ERDMA_OP_SEND = 2,
478 	ERDMA_OP_SEND_WITH_IMM = 3,
479 
480 	ERDMA_OP_RECEIVE = 4,
481 	ERDMA_OP_RECV_IMM = 5,
482 	ERDMA_OP_RECV_INV = 6,
483 
484 	ERDMA_OP_RSVD0 = 7,
485 	ERDMA_OP_RSVD1 = 8,
486 	ERDMA_OP_WRITE_WITH_IMM = 9,
487 
488 	ERDMA_OP_RSVD2 = 10,
489 	ERDMA_OP_RSVD3 = 11,
490 
491 	ERDMA_OP_RSP_SEND_IMM = 12,
492 	ERDMA_OP_SEND_WITH_INV = 13,
493 
494 	ERDMA_OP_REG_MR = 14,
495 	ERDMA_OP_LOCAL_INV = 15,
496 	ERDMA_OP_READ_WITH_INV = 16,
497 	ERDMA_OP_ATOMIC_CAS = 17,
498 	ERDMA_OP_ATOMIC_FAA = 18,
499 	ERDMA_NUM_OPCODES = 19,
500 	ERDMA_OP_INVALID = ERDMA_NUM_OPCODES + 1
501 };
502 
503 enum erdma_wc_status {
504 	ERDMA_WC_SUCCESS = 0,
505 	ERDMA_WC_GENERAL_ERR = 1,
506 	ERDMA_WC_RECV_WQE_FORMAT_ERR = 2,
507 	ERDMA_WC_RECV_STAG_INVALID_ERR = 3,
508 	ERDMA_WC_RECV_ADDR_VIOLATION_ERR = 4,
509 	ERDMA_WC_RECV_RIGHT_VIOLATION_ERR = 5,
510 	ERDMA_WC_RECV_PDID_ERR = 6,
511 	ERDMA_WC_RECV_WARRPING_ERR = 7,
512 	ERDMA_WC_SEND_WQE_FORMAT_ERR = 8,
513 	ERDMA_WC_SEND_WQE_ORD_EXCEED = 9,
514 	ERDMA_WC_SEND_STAG_INVALID_ERR = 10,
515 	ERDMA_WC_SEND_ADDR_VIOLATION_ERR = 11,
516 	ERDMA_WC_SEND_RIGHT_VIOLATION_ERR = 12,
517 	ERDMA_WC_SEND_PDID_ERR = 13,
518 	ERDMA_WC_SEND_WARRPING_ERR = 14,
519 	ERDMA_WC_FLUSH_ERR = 15,
520 	ERDMA_WC_RETRY_EXC_ERR = 16,
521 	ERDMA_NUM_WC_STATUS
522 };
523 
524 enum erdma_vendor_err {
525 	ERDMA_WC_VENDOR_NO_ERR = 0,
526 	ERDMA_WC_VENDOR_INVALID_RQE = 1,
527 	ERDMA_WC_VENDOR_RQE_INVALID_STAG = 2,
528 	ERDMA_WC_VENDOR_RQE_ADDR_VIOLATION = 3,
529 	ERDMA_WC_VENDOR_RQE_ACCESS_RIGHT_ERR = 4,
530 	ERDMA_WC_VENDOR_RQE_INVALID_PD = 5,
531 	ERDMA_WC_VENDOR_RQE_WRAP_ERR = 6,
532 	ERDMA_WC_VENDOR_INVALID_SQE = 0x20,
533 	ERDMA_WC_VENDOR_ZERO_ORD = 0x21,
534 	ERDMA_WC_VENDOR_SQE_INVALID_STAG = 0x30,
535 	ERDMA_WC_VENDOR_SQE_ADDR_VIOLATION = 0x31,
536 	ERDMA_WC_VENDOR_SQE_ACCESS_ERR = 0x32,
537 	ERDMA_WC_VENDOR_SQE_INVALID_PD = 0x33,
538 	ERDMA_WC_VENDOR_SQE_WARP_ERR = 0x34
539 };
540 
541 #endif
542