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 /* WQE related. */
116 #define EQE_SIZE 16
117 #define EQE_SHIFT 4
118 #define RQE_SIZE 32
119 #define RQE_SHIFT 5
120 #define CQE_SIZE 32
121 #define CQE_SHIFT 5
122 #define SQEBB_SIZE 32
123 #define SQEBB_SHIFT 5
124 #define SQEBB_MASK (~(SQEBB_SIZE - 1))
125 #define SQEBB_ALIGN(size) ((size + SQEBB_SIZE - 1) & SQEBB_MASK)
126 #define SQEBB_COUNT(size) (SQEBB_ALIGN(size) >> SQEBB_SHIFT)
127 
128 #define ERDMA_MAX_SQE_SIZE 128
129 #define ERDMA_MAX_WQEBB_PER_SQE 4
130 
131 /* CMDQ related. */
132 #define ERDMA_CMDQ_MAX_OUTSTANDING 128
133 #define ERDMA_CMDQ_SQE_SIZE 64
134 
135 /* cmdq sub module definition. */
136 enum CMDQ_WQE_SUB_MOD {
137 	CMDQ_SUBMOD_RDMA = 0,
138 	CMDQ_SUBMOD_COMMON = 1
139 };
140 
141 enum CMDQ_RDMA_OPCODE {
142 	CMDQ_OPCODE_QUERY_DEVICE = 0,
143 	CMDQ_OPCODE_CREATE_QP = 1,
144 	CMDQ_OPCODE_DESTROY_QP = 2,
145 	CMDQ_OPCODE_MODIFY_QP = 3,
146 	CMDQ_OPCODE_CREATE_CQ = 4,
147 	CMDQ_OPCODE_DESTROY_CQ = 5,
148 	CMDQ_OPCODE_REFLUSH = 6,
149 	CMDQ_OPCODE_REG_MR = 8,
150 	CMDQ_OPCODE_DEREG_MR = 9
151 };
152 
153 enum CMDQ_COMMON_OPCODE {
154 	CMDQ_OPCODE_CREATE_EQ = 0,
155 	CMDQ_OPCODE_DESTROY_EQ = 1,
156 	CMDQ_OPCODE_QUERY_FW_INFO = 2,
157 	CMDQ_OPCODE_CONF_MTU = 3,
158 };
159 
160 /* cmdq-SQE HDR */
161 #define ERDMA_CMD_HDR_WQEBB_CNT_MASK GENMASK_ULL(54, 52)
162 #define ERDMA_CMD_HDR_CONTEXT_COOKIE_MASK GENMASK_ULL(47, 32)
163 #define ERDMA_CMD_HDR_SUB_MOD_MASK GENMASK_ULL(25, 24)
164 #define ERDMA_CMD_HDR_OPCODE_MASK GENMASK_ULL(23, 16)
165 #define ERDMA_CMD_HDR_WQEBB_INDEX_MASK GENMASK_ULL(15, 0)
166 
167 struct erdma_cmdq_destroy_cq_req {
168 	u64 hdr;
169 	u32 cqn;
170 };
171 
172 #define ERDMA_EQ_TYPE_AEQ 0
173 #define ERDMA_EQ_TYPE_CEQ 1
174 
175 struct erdma_cmdq_create_eq_req {
176 	u64 hdr;
177 	u64 qbuf_addr;
178 	u8 vector_idx;
179 	u8 eqn;
180 	u8 depth;
181 	u8 qtype;
182 	u32 db_dma_addr_l;
183 	u32 db_dma_addr_h;
184 };
185 
186 struct erdma_cmdq_destroy_eq_req {
187 	u64 hdr;
188 	u64 rsvd0;
189 	u8 vector_idx;
190 	u8 eqn;
191 	u8 rsvd1;
192 	u8 qtype;
193 };
194 
195 struct erdma_cmdq_config_mtu_req {
196 	u64 hdr;
197 	u32 mtu;
198 };
199 
200 /* create_cq cfg0 */
201 #define ERDMA_CMD_CREATE_CQ_DEPTH_MASK GENMASK(31, 24)
202 #define ERDMA_CMD_CREATE_CQ_PAGESIZE_MASK GENMASK(23, 20)
203 #define ERDMA_CMD_CREATE_CQ_CQN_MASK GENMASK(19, 0)
204 
205 /* create_cq cfg1 */
206 #define ERDMA_CMD_CREATE_CQ_MTT_CNT_MASK GENMASK(31, 16)
207 #define ERDMA_CMD_CREATE_CQ_MTT_TYPE_MASK BIT(15)
208 #define ERDMA_CMD_CREATE_CQ_EQN_MASK GENMASK(9, 0)
209 
210 struct erdma_cmdq_create_cq_req {
211 	u64 hdr;
212 	u32 cfg0;
213 	u32 qbuf_addr_l;
214 	u32 qbuf_addr_h;
215 	u32 cfg1;
216 	u64 cq_db_info_addr;
217 	u32 first_page_offset;
218 };
219 
220 /* regmr/deregmr cfg0 */
221 #define ERDMA_CMD_MR_VALID_MASK BIT(31)
222 #define ERDMA_CMD_MR_KEY_MASK GENMASK(27, 20)
223 #define ERDMA_CMD_MR_MPT_IDX_MASK GENMASK(19, 0)
224 
225 /* regmr cfg1 */
226 #define ERDMA_CMD_REGMR_PD_MASK GENMASK(31, 12)
227 #define ERDMA_CMD_REGMR_TYPE_MASK GENMASK(7, 6)
228 #define ERDMA_CMD_REGMR_RIGHT_MASK GENMASK(5, 1)
229 
230 /* regmr cfg2 */
231 #define ERDMA_CMD_REGMR_PAGESIZE_MASK GENMASK(31, 27)
232 #define ERDMA_CMD_REGMR_MTT_TYPE_MASK GENMASK(21, 20)
233 #define ERDMA_CMD_REGMR_MTT_CNT_MASK GENMASK(19, 0)
234 
235 struct erdma_cmdq_reg_mr_req {
236 	u64 hdr;
237 	u32 cfg0;
238 	u32 cfg1;
239 	u64 start_va;
240 	u32 size;
241 	u32 cfg2;
242 	u64 phy_addr[4];
243 };
244 
245 struct erdma_cmdq_dereg_mr_req {
246 	u64 hdr;
247 	u32 cfg;
248 };
249 
250 /* modify qp cfg */
251 #define ERDMA_CMD_MODIFY_QP_STATE_MASK GENMASK(31, 24)
252 #define ERDMA_CMD_MODIFY_QP_CC_MASK GENMASK(23, 20)
253 #define ERDMA_CMD_MODIFY_QP_QPN_MASK GENMASK(19, 0)
254 
255 struct erdma_cmdq_modify_qp_req {
256 	u64 hdr;
257 	u32 cfg;
258 	u32 cookie;
259 	__be32 dip;
260 	__be32 sip;
261 	__be16 sport;
262 	__be16 dport;
263 	u32 send_nxt;
264 	u32 recv_nxt;
265 };
266 
267 /* create qp cfg0 */
268 #define ERDMA_CMD_CREATE_QP_SQ_DEPTH_MASK GENMASK(31, 20)
269 #define ERDMA_CMD_CREATE_QP_QPN_MASK GENMASK(19, 0)
270 
271 /* create qp cfg1 */
272 #define ERDMA_CMD_CREATE_QP_RQ_DEPTH_MASK GENMASK(31, 20)
273 #define ERDMA_CMD_CREATE_QP_PD_MASK GENMASK(19, 0)
274 
275 /* create qp cqn_mtt_cfg */
276 #define ERDMA_CMD_CREATE_QP_PAGE_SIZE_MASK GENMASK(31, 28)
277 #define ERDMA_CMD_CREATE_QP_CQN_MASK GENMASK(23, 0)
278 
279 /* create qp mtt_cfg */
280 #define ERDMA_CMD_CREATE_QP_PAGE_OFFSET_MASK GENMASK(31, 12)
281 #define ERDMA_CMD_CREATE_QP_MTT_CNT_MASK GENMASK(11, 1)
282 #define ERDMA_CMD_CREATE_QP_MTT_TYPE_MASK BIT(0)
283 
284 #define ERDMA_CMDQ_CREATE_QP_RESP_COOKIE_MASK GENMASK_ULL(31, 0)
285 
286 struct erdma_cmdq_create_qp_req {
287 	u64 hdr;
288 	u32 cfg0;
289 	u32 cfg1;
290 	u32 sq_cqn_mtt_cfg;
291 	u32 rq_cqn_mtt_cfg;
292 	u64 sq_buf_addr;
293 	u64 rq_buf_addr;
294 	u32 sq_mtt_cfg;
295 	u32 rq_mtt_cfg;
296 	u64 sq_db_info_dma_addr;
297 	u64 rq_db_info_dma_addr;
298 };
299 
300 struct erdma_cmdq_destroy_qp_req {
301 	u64 hdr;
302 	u32 qpn;
303 };
304 
305 struct erdma_cmdq_reflush_req {
306 	u64 hdr;
307 	u32 qpn;
308 	u32 sq_pi;
309 	u32 rq_pi;
310 };
311 
312 /* cap qword 0 definition */
313 #define ERDMA_CMD_DEV_CAP_MAX_CQE_MASK GENMASK_ULL(47, 40)
314 #define ERDMA_CMD_DEV_CAP_FLAGS_MASK GENMASK_ULL(31, 24)
315 #define ERDMA_CMD_DEV_CAP_MAX_RECV_WR_MASK GENMASK_ULL(23, 16)
316 #define ERDMA_CMD_DEV_CAP_MAX_MR_SIZE_MASK GENMASK_ULL(7, 0)
317 
318 /* cap qword 1 definition */
319 #define ERDMA_CMD_DEV_CAP_DMA_LOCAL_KEY_MASK GENMASK_ULL(63, 32)
320 #define ERDMA_CMD_DEV_CAP_DEFAULT_CC_MASK GENMASK_ULL(31, 28)
321 #define ERDMA_CMD_DEV_CAP_QBLOCK_MASK GENMASK_ULL(27, 16)
322 #define ERDMA_CMD_DEV_CAP_MAX_MW_MASK GENMASK_ULL(7, 0)
323 
324 #define ERDMA_NQP_PER_QBLOCK 1024
325 
326 enum {
327 	ERDMA_DEV_CAP_FLAGS_ATOMIC = 1 << 7,
328 };
329 
330 #define ERDMA_CMD_INFO0_FW_VER_MASK GENMASK_ULL(31, 0)
331 
332 /* CQE hdr */
333 #define ERDMA_CQE_HDR_OWNER_MASK BIT(31)
334 #define ERDMA_CQE_HDR_OPCODE_MASK GENMASK(23, 16)
335 #define ERDMA_CQE_HDR_QTYPE_MASK GENMASK(15, 8)
336 #define ERDMA_CQE_HDR_SYNDROME_MASK GENMASK(7, 0)
337 
338 #define ERDMA_CQE_QTYPE_SQ 0
339 #define ERDMA_CQE_QTYPE_RQ 1
340 #define ERDMA_CQE_QTYPE_CMDQ 2
341 
342 struct erdma_cqe {
343 	__be32 hdr;
344 	__be32 qe_idx;
345 	__be32 qpn;
346 	union {
347 		__le32 imm_data;
348 		__be32 inv_rkey;
349 	};
350 	__be32 size;
351 	__be32 rsvd[3];
352 };
353 
354 struct erdma_sge {
355 	__aligned_le64 addr;
356 	__le32 length;
357 	__le32 key;
358 };
359 
360 /* Receive Queue Element */
361 struct erdma_rqe {
362 	__le16 qe_idx;
363 	__le16 rsvd0;
364 	__le32 qpn;
365 	__le32 rsvd1;
366 	__le32 rsvd2;
367 	__le64 to;
368 	__le32 length;
369 	__le32 stag;
370 };
371 
372 /* SQE */
373 #define ERDMA_SQE_HDR_SGL_LEN_MASK GENMASK_ULL(63, 56)
374 #define ERDMA_SQE_HDR_WQEBB_CNT_MASK GENMASK_ULL(54, 52)
375 #define ERDMA_SQE_HDR_QPN_MASK GENMASK_ULL(51, 32)
376 #define ERDMA_SQE_HDR_OPCODE_MASK GENMASK_ULL(31, 27)
377 #define ERDMA_SQE_HDR_DWQE_MASK BIT_ULL(26)
378 #define ERDMA_SQE_HDR_INLINE_MASK BIT_ULL(25)
379 #define ERDMA_SQE_HDR_FENCE_MASK BIT_ULL(24)
380 #define ERDMA_SQE_HDR_SE_MASK BIT_ULL(23)
381 #define ERDMA_SQE_HDR_CE_MASK BIT_ULL(22)
382 #define ERDMA_SQE_HDR_WQEBB_INDEX_MASK GENMASK_ULL(15, 0)
383 
384 /* REG MR attrs */
385 #define ERDMA_SQE_MR_ACCESS_MASK GENMASK(5, 1)
386 #define ERDMA_SQE_MR_MTT_TYPE_MASK GENMASK(7, 6)
387 #define ERDMA_SQE_MR_MTT_CNT_MASK GENMASK(31, 12)
388 
389 struct erdma_write_sqe {
390 	__le64 hdr;
391 	__be32 imm_data;
392 	__le32 length;
393 
394 	__le32 sink_stag;
395 	__le32 sink_to_l;
396 	__le32 sink_to_h;
397 
398 	__le32 rsvd;
399 
400 	struct erdma_sge sgl[];
401 };
402 
403 struct erdma_send_sqe {
404 	__le64 hdr;
405 	union {
406 		__be32 imm_data;
407 		__le32 invalid_stag;
408 	};
409 
410 	__le32 length;
411 	struct erdma_sge sgl[];
412 };
413 
414 struct erdma_readreq_sqe {
415 	__le64 hdr;
416 	__le32 invalid_stag;
417 	__le32 length;
418 	__le32 sink_stag;
419 	__le32 sink_to_l;
420 	__le32 sink_to_h;
421 	__le32 rsvd;
422 };
423 
424 struct erdma_atomic_sqe {
425 	__le64 hdr;
426 	__le64 rsvd;
427 	__le64 fetchadd_swap_data;
428 	__le64 cmp_data;
429 
430 	struct erdma_sge remote;
431 	struct erdma_sge sgl;
432 };
433 
434 struct erdma_reg_mr_sqe {
435 	__le64 hdr;
436 	__le64 addr;
437 	__le32 length;
438 	__le32 stag;
439 	__le32 attrs;
440 	__le32 rsvd;
441 };
442 
443 /* EQ related. */
444 #define ERDMA_DEFAULT_EQ_DEPTH 256
445 
446 /* ceqe */
447 #define ERDMA_CEQE_HDR_DB_MASK BIT_ULL(63)
448 #define ERDMA_CEQE_HDR_PI_MASK GENMASK_ULL(55, 32)
449 #define ERDMA_CEQE_HDR_O_MASK BIT_ULL(31)
450 #define ERDMA_CEQE_HDR_CQN_MASK GENMASK_ULL(19, 0)
451 
452 /* aeqe */
453 #define ERDMA_AEQE_HDR_O_MASK BIT(31)
454 #define ERDMA_AEQE_HDR_TYPE_MASK GENMASK(23, 16)
455 #define ERDMA_AEQE_HDR_SUBTYPE_MASK GENMASK(7, 0)
456 
457 #define ERDMA_AE_TYPE_QP_FATAL_EVENT 0
458 #define ERDMA_AE_TYPE_QP_ERQ_ERR_EVENT 1
459 #define ERDMA_AE_TYPE_ACC_ERR_EVENT 2
460 #define ERDMA_AE_TYPE_CQ_ERR 3
461 #define ERDMA_AE_TYPE_OTHER_ERROR 4
462 
463 struct erdma_aeqe {
464 	__le32 hdr;
465 	__le32 event_data0;
466 	__le32 event_data1;
467 	__le32 rsvd;
468 };
469 
470 enum erdma_opcode {
471 	ERDMA_OP_WRITE = 0,
472 	ERDMA_OP_READ = 1,
473 	ERDMA_OP_SEND = 2,
474 	ERDMA_OP_SEND_WITH_IMM = 3,
475 
476 	ERDMA_OP_RECEIVE = 4,
477 	ERDMA_OP_RECV_IMM = 5,
478 	ERDMA_OP_RECV_INV = 6,
479 
480 	ERDMA_OP_RSVD0 = 7,
481 	ERDMA_OP_RSVD1 = 8,
482 	ERDMA_OP_WRITE_WITH_IMM = 9,
483 
484 	ERDMA_OP_RSVD2 = 10,
485 	ERDMA_OP_RSVD3 = 11,
486 
487 	ERDMA_OP_RSP_SEND_IMM = 12,
488 	ERDMA_OP_SEND_WITH_INV = 13,
489 
490 	ERDMA_OP_REG_MR = 14,
491 	ERDMA_OP_LOCAL_INV = 15,
492 	ERDMA_OP_READ_WITH_INV = 16,
493 	ERDMA_OP_ATOMIC_CAS = 17,
494 	ERDMA_OP_ATOMIC_FAD = 18,
495 	ERDMA_NUM_OPCODES = 19,
496 	ERDMA_OP_INVALID = ERDMA_NUM_OPCODES + 1
497 };
498 
499 enum erdma_wc_status {
500 	ERDMA_WC_SUCCESS = 0,
501 	ERDMA_WC_GENERAL_ERR = 1,
502 	ERDMA_WC_RECV_WQE_FORMAT_ERR = 2,
503 	ERDMA_WC_RECV_STAG_INVALID_ERR = 3,
504 	ERDMA_WC_RECV_ADDR_VIOLATION_ERR = 4,
505 	ERDMA_WC_RECV_RIGHT_VIOLATION_ERR = 5,
506 	ERDMA_WC_RECV_PDID_ERR = 6,
507 	ERDMA_WC_RECV_WARRPING_ERR = 7,
508 	ERDMA_WC_SEND_WQE_FORMAT_ERR = 8,
509 	ERDMA_WC_SEND_WQE_ORD_EXCEED = 9,
510 	ERDMA_WC_SEND_STAG_INVALID_ERR = 10,
511 	ERDMA_WC_SEND_ADDR_VIOLATION_ERR = 11,
512 	ERDMA_WC_SEND_RIGHT_VIOLATION_ERR = 12,
513 	ERDMA_WC_SEND_PDID_ERR = 13,
514 	ERDMA_WC_SEND_WARRPING_ERR = 14,
515 	ERDMA_WC_FLUSH_ERR = 15,
516 	ERDMA_WC_RETRY_EXC_ERR = 16,
517 	ERDMA_NUM_WC_STATUS
518 };
519 
520 enum erdma_vendor_err {
521 	ERDMA_WC_VENDOR_NO_ERR = 0,
522 	ERDMA_WC_VENDOR_INVALID_RQE = 1,
523 	ERDMA_WC_VENDOR_RQE_INVALID_STAG = 2,
524 	ERDMA_WC_VENDOR_RQE_ADDR_VIOLATION = 3,
525 	ERDMA_WC_VENDOR_RQE_ACCESS_RIGHT_ERR = 4,
526 	ERDMA_WC_VENDOR_RQE_INVALID_PD = 5,
527 	ERDMA_WC_VENDOR_RQE_WRAP_ERR = 6,
528 	ERDMA_WC_VENDOR_INVALID_SQE = 0x20,
529 	ERDMA_WC_VENDOR_ZERO_ORD = 0x21,
530 	ERDMA_WC_VENDOR_SQE_INVALID_STAG = 0x30,
531 	ERDMA_WC_VENDOR_SQE_ADDR_VIOLATION = 0x31,
532 	ERDMA_WC_VENDOR_SQE_ACCESS_ERR = 0x32,
533 	ERDMA_WC_VENDOR_SQE_INVALID_PD = 0x33,
534 	ERDMA_WC_VENDOR_SQE_WARP_ERR = 0x34
535 };
536 
537 #endif
538