xref: /freebsd/sys/dev/qlnx/qlnxr/qlnxr_roce.h (revision 2008043f386721d58158e37e0d7e50df8095942d)
1 /*
2  * Copyright (c) 2018-2019 Cavium, Inc.
3  * All rights reserved.
4  *
5  *  Redistribution and use in source and binary forms, with or without
6  *  modification, are permitted provided that the following conditions
7  *  are met:
8  *
9  *  1. Redistributions of source code must retain the above copyright
10  *     notice, this list of conditions and the following disclaimer.
11  *  2. Redistributions in binary form must reproduce the above copyright
12  *     notice, this list of conditions and the following disclaimer in the
13  *     documentation and/or other materials provided with the distribution.
14  *
15  *  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
16  *  AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17  *  IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18  *  ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
19  *  LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
20  *  CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
21  *  SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
22  *  INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
23  *  CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
24  *  ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
25  *  POSSIBILITY OF SUCH DAMAGE.
26  *
27  */
28 
29 #ifndef __QLNXR_ROCE_H__
30 #define __QLNXR_ROCE_H__
31 
32 /*
33  * roce completion notification queue element
34  */
35 struct roce_cnqe {
36 	struct regpair cq_handle;
37 };
38 
39 struct roce_cqe_responder {
40 	struct regpair srq_wr_id;
41 	struct regpair qp_handle;
42 	__le32 imm_data_or_inv_r_Key;
43 	__le32 length;
44 	__le32 reserved0;
45 	__le16 rq_cons;
46 	u8 flags;
47 #define ROCE_CQE_RESPONDER_TOGGLE_BIT_MASK  0x1
48 #define ROCE_CQE_RESPONDER_TOGGLE_BIT_SHIFT 0
49 #define ROCE_CQE_RESPONDER_TYPE_MASK        0x3
50 #define ROCE_CQE_RESPONDER_TYPE_SHIFT       1
51 #define ROCE_CQE_RESPONDER_INV_FLG_MASK     0x1
52 #define ROCE_CQE_RESPONDER_INV_FLG_SHIFT    3
53 #define ROCE_CQE_RESPONDER_IMM_FLG_MASK     0x1
54 #define ROCE_CQE_RESPONDER_IMM_FLG_SHIFT    4
55 #define ROCE_CQE_RESPONDER_RDMA_FLG_MASK    0x1
56 #define ROCE_CQE_RESPONDER_RDMA_FLG_SHIFT   5
57 #define ROCE_CQE_RESPONDER_RESERVED2_MASK   0x3
58 #define ROCE_CQE_RESPONDER_RESERVED2_SHIFT  6
59 	u8 status;
60 };
61 
62 struct roce_cqe_requester {
63 	__le16 sq_cons;
64 	__le16 reserved0;
65 	__le32 reserved1;
66 	struct regpair qp_handle;
67 	struct regpair reserved2;
68 	__le32 reserved3;
69 	__le16 reserved4;
70 	u8 flags;
71 #define ROCE_CQE_REQUESTER_TOGGLE_BIT_MASK  0x1
72 #define ROCE_CQE_REQUESTER_TOGGLE_BIT_SHIFT 0
73 #define ROCE_CQE_REQUESTER_TYPE_MASK        0x3
74 #define ROCE_CQE_REQUESTER_TYPE_SHIFT       1
75 #define ROCE_CQE_REQUESTER_RESERVED5_MASK   0x1F
76 #define ROCE_CQE_REQUESTER_RESERVED5_SHIFT  3
77 	u8 status;
78 };
79 
80 struct roce_cqe_common {
81 	struct regpair reserved0;
82 	struct regpair qp_handle;
83 	__le16 reserved1[7];
84 	u8 flags;
85 #define ROCE_CQE_COMMON_TOGGLE_BIT_MASK  0x1
86 #define ROCE_CQE_COMMON_TOGGLE_BIT_SHIFT 0
87 #define ROCE_CQE_COMMON_TYPE_MASK        0x3
88 #define ROCE_CQE_COMMON_TYPE_SHIFT       1
89 #define ROCE_CQE_COMMON_RESERVED2_MASK   0x1F
90 #define ROCE_CQE_COMMON_RESERVED2_SHIFT  3
91 	u8 status;
92 };
93 
94 /*
95  * roce completion queue element
96  */
97 union roce_cqe {
98 	struct roce_cqe_responder resp;
99 	struct roce_cqe_requester req;
100 	struct roce_cqe_common cmn;
101 };
102 
103 /*
104  * CQE requester status enumeration
105  */
106 enum roce_cqe_requester_status_enum {
107 	ROCE_CQE_REQ_STS_OK,
108 	ROCE_CQE_REQ_STS_BAD_RESPONSE_ERR,
109 	ROCE_CQE_REQ_STS_LOCAL_LENGTH_ERR,
110 	ROCE_CQE_REQ_STS_LOCAL_QP_OPERATION_ERR,
111 	ROCE_CQE_REQ_STS_LOCAL_PROTECTION_ERR,
112 	ROCE_CQE_REQ_STS_MEMORY_MGT_OPERATION_ERR,
113 	ROCE_CQE_REQ_STS_REMOTE_INVALID_REQUEST_ERR,
114 	ROCE_CQE_REQ_STS_REMOTE_ACCESS_ERR,
115 	ROCE_CQE_REQ_STS_REMOTE_OPERATION_ERR,
116 	ROCE_CQE_REQ_STS_RNR_NAK_RETRY_CNT_ERR,
117 	ROCE_CQE_REQ_STS_TRANSPORT_RETRY_CNT_ERR,
118 	ROCE_CQE_REQ_STS_WORK_REQUEST_FLUSHED_ERR,
119 	MAX_ROCE_CQE_REQUESTER_STATUS_ENUM
120 };
121 
122 /*
123  * CQE responder status enumeration
124  */
125 enum roce_cqe_responder_status_enum {
126 	ROCE_CQE_RESP_STS_OK,
127 	ROCE_CQE_RESP_STS_LOCAL_ACCESS_ERR,
128 	ROCE_CQE_RESP_STS_LOCAL_LENGTH_ERR,
129 	ROCE_CQE_RESP_STS_LOCAL_QP_OPERATION_ERR,
130 	ROCE_CQE_RESP_STS_LOCAL_PROTECTION_ERR,
131 	ROCE_CQE_RESP_STS_MEMORY_MGT_OPERATION_ERR,
132 	ROCE_CQE_RESP_STS_REMOTE_INVALID_REQUEST_ERR,
133 	ROCE_CQE_RESP_STS_WORK_REQUEST_FLUSHED_ERR,
134 	MAX_ROCE_CQE_RESPONDER_STATUS_ENUM
135 };
136 
137 /*
138  * CQE type enumeration
139  */
140 enum roce_cqe_type {
141 	ROCE_CQE_TYPE_REQUESTER,
142 	ROCE_CQE_TYPE_RESPONDER_RQ,
143 	ROCE_CQE_TYPE_RESPONDER_SRQ,
144 	ROCE_CQE_TYPE_INVALID,
145 	MAX_ROCE_CQE_TYPE
146 };
147 
148 /*
149  * memory window type enumeration
150  */
151 enum roce_mw_type {
152 	ROCE_MW_TYPE_1,
153 	ROCE_MW_TYPE_2A,
154 	MAX_ROCE_MW_TYPE
155 };
156 
157 struct roce_rq_sge {
158 	struct regpair addr;
159 	__le32 length;
160 	__le32 flags;
161 #define ROCE_RQ_SGE_L_KEY_MASK      0x3FFFFFF
162 #define ROCE_RQ_SGE_L_KEY_SHIFT     0
163 #define ROCE_RQ_SGE_NUM_SGES_MASK   0x7
164 #define ROCE_RQ_SGE_NUM_SGES_SHIFT  26
165 #define ROCE_RQ_SGE_RESERVED0_MASK  0x7
166 #define ROCE_RQ_SGE_RESERVED0_SHIFT 29
167 };
168 
169 struct roce_sq_atomic_wqe {
170 	struct regpair remote_va;
171 	__le32 xrc_srq;
172 	u8 req_type;
173 	u8 flags;
174 #define ROCE_SQ_ATOMIC_WQE_COMP_FLG_MASK       0x1
175 #define ROCE_SQ_ATOMIC_WQE_COMP_FLG_SHIFT      0
176 #define ROCE_SQ_ATOMIC_WQE_RD_FENCE_FLG_MASK   0x1
177 #define ROCE_SQ_ATOMIC_WQE_RD_FENCE_FLG_SHIFT  1
178 #define ROCE_SQ_ATOMIC_WQE_INV_FENCE_FLG_MASK  0x1
179 #define ROCE_SQ_ATOMIC_WQE_INV_FENCE_FLG_SHIFT 2
180 #define ROCE_SQ_ATOMIC_WQE_SE_FLG_MASK         0x1
181 #define ROCE_SQ_ATOMIC_WQE_SE_FLG_SHIFT        3
182 #define ROCE_SQ_ATOMIC_WQE_INLINE_FLG_MASK     0x1
183 #define ROCE_SQ_ATOMIC_WQE_INLINE_FLG_SHIFT    4
184 #define ROCE_SQ_ATOMIC_WQE_RESERVED0_MASK      0x7
185 #define ROCE_SQ_ATOMIC_WQE_RESERVED0_SHIFT     5
186 	u8 reserved1;
187 	u8 prev_wqe_size;
188 	struct regpair swap_data;
189 	__le32 r_key;
190 	__le32 reserved2;
191 	struct regpair cmp_data;
192 	struct regpair reserved3;
193 };
194 
195 /*
196  * First element (16 bytes) of atomic wqe
197  */
198 struct roce_sq_atomic_wqe_1st {
199 	struct regpair remote_va;
200 	__le32 xrc_srq;
201 	u8 req_type;
202 	u8 flags;
203 #define ROCE_SQ_ATOMIC_WQE_1ST_COMP_FLG_MASK       0x1
204 #define ROCE_SQ_ATOMIC_WQE_1ST_COMP_FLG_SHIFT      0
205 #define ROCE_SQ_ATOMIC_WQE_1ST_RD_FENCE_FLG_MASK   0x1
206 #define ROCE_SQ_ATOMIC_WQE_1ST_RD_FENCE_FLG_SHIFT  1
207 #define ROCE_SQ_ATOMIC_WQE_1ST_INV_FENCE_FLG_MASK  0x1
208 #define ROCE_SQ_ATOMIC_WQE_1ST_INV_FENCE_FLG_SHIFT 2
209 #define ROCE_SQ_ATOMIC_WQE_1ST_SE_FLG_MASK         0x1
210 #define ROCE_SQ_ATOMIC_WQE_1ST_SE_FLG_SHIFT        3
211 #define ROCE_SQ_ATOMIC_WQE_1ST_INLINE_FLG_MASK     0x1
212 #define ROCE_SQ_ATOMIC_WQE_1ST_INLINE_FLG_SHIFT    4
213 #define ROCE_SQ_ATOMIC_WQE_1ST_RESERVED0_MASK      0x7
214 #define ROCE_SQ_ATOMIC_WQE_1ST_RESERVED0_SHIFT     5
215 	u8 reserved1;
216 	u8 prev_wqe_size;
217 };
218 
219 /*
220  * Second element (16 bytes) of atomic wqe
221  */
222 struct roce_sq_atomic_wqe_2nd {
223 	struct regpair swap_data;
224 	__le32 r_key;
225 	__le32 reserved2;
226 };
227 
228 /*
229  * Third element (16 bytes) of atomic wqe
230  */
231 struct roce_sq_atomic_wqe_3rd {
232 	struct regpair cmp_data;
233 	struct regpair reserved3;
234 };
235 
236 struct roce_sq_bind_wqe {
237 	struct regpair addr;
238 	__le32 l_key;
239 	u8 req_type;
240 	u8 flags;
241 #define ROCE_SQ_BIND_WQE_COMP_FLG_MASK       0x1
242 #define ROCE_SQ_BIND_WQE_COMP_FLG_SHIFT      0
243 #define ROCE_SQ_BIND_WQE_RD_FENCE_FLG_MASK   0x1
244 #define ROCE_SQ_BIND_WQE_RD_FENCE_FLG_SHIFT  1
245 #define ROCE_SQ_BIND_WQE_INV_FENCE_FLG_MASK  0x1
246 #define ROCE_SQ_BIND_WQE_INV_FENCE_FLG_SHIFT 2
247 #define ROCE_SQ_BIND_WQE_SE_FLG_MASK         0x1
248 #define ROCE_SQ_BIND_WQE_SE_FLG_SHIFT        3
249 #define ROCE_SQ_BIND_WQE_INLINE_FLG_MASK     0x1
250 #define ROCE_SQ_BIND_WQE_INLINE_FLG_SHIFT    4
251 #define ROCE_SQ_BIND_WQE_RESERVED0_MASK      0x7
252 #define ROCE_SQ_BIND_WQE_RESERVED0_SHIFT     5
253 	u8 access_ctrl;
254 #define ROCE_SQ_BIND_WQE_REMOTE_READ_MASK    0x1
255 #define ROCE_SQ_BIND_WQE_REMOTE_READ_SHIFT   0
256 #define ROCE_SQ_BIND_WQE_REMOTE_WRITE_MASK   0x1
257 #define ROCE_SQ_BIND_WQE_REMOTE_WRITE_SHIFT  1
258 #define ROCE_SQ_BIND_WQE_ENABLE_ATOMIC_MASK  0x1
259 #define ROCE_SQ_BIND_WQE_ENABLE_ATOMIC_SHIFT 2
260 #define ROCE_SQ_BIND_WQE_LOCAL_READ_MASK     0x1
261 #define ROCE_SQ_BIND_WQE_LOCAL_READ_SHIFT    3
262 #define ROCE_SQ_BIND_WQE_LOCAL_WRITE_MASK    0x1
263 #define ROCE_SQ_BIND_WQE_LOCAL_WRITE_SHIFT   4
264 #define ROCE_SQ_BIND_WQE_RESERVED1_MASK      0x7
265 #define ROCE_SQ_BIND_WQE_RESERVED1_SHIFT     5
266 	u8 prev_wqe_size;
267 	u8 bind_ctrl;
268 #define ROCE_SQ_BIND_WQE_ZERO_BASED_MASK     0x1
269 #define ROCE_SQ_BIND_WQE_ZERO_BASED_SHIFT    0
270 #define ROCE_SQ_BIND_WQE_MW_TYPE_MASK        0x1
271 #define ROCE_SQ_BIND_WQE_MW_TYPE_SHIFT       1
272 #define ROCE_SQ_BIND_WQE_RESERVED2_MASK      0x3F
273 #define ROCE_SQ_BIND_WQE_RESERVED2_SHIFT     2
274 	u8 reserved3[2];
275 	u8 length_hi;
276 	__le32 length_lo;
277 	__le32 parent_l_key;
278 	__le32 reserved6;
279 };
280 
281 /*
282  * First element (16 bytes) of bind wqe
283  */
284 struct roce_sq_bind_wqe_1st {
285 	struct regpair addr;
286 	__le32 l_key;
287 	u8 req_type;
288 	u8 flags;
289 #define ROCE_SQ_BIND_WQE_1ST_COMP_FLG_MASK       0x1
290 #define ROCE_SQ_BIND_WQE_1ST_COMP_FLG_SHIFT      0
291 #define ROCE_SQ_BIND_WQE_1ST_RD_FENCE_FLG_MASK   0x1
292 #define ROCE_SQ_BIND_WQE_1ST_RD_FENCE_FLG_SHIFT  1
293 #define ROCE_SQ_BIND_WQE_1ST_INV_FENCE_FLG_MASK  0x1
294 #define ROCE_SQ_BIND_WQE_1ST_INV_FENCE_FLG_SHIFT 2
295 #define ROCE_SQ_BIND_WQE_1ST_SE_FLG_MASK         0x1
296 #define ROCE_SQ_BIND_WQE_1ST_SE_FLG_SHIFT        3
297 #define ROCE_SQ_BIND_WQE_1ST_INLINE_FLG_MASK     0x1
298 #define ROCE_SQ_BIND_WQE_1ST_INLINE_FLG_SHIFT    4
299 #define ROCE_SQ_BIND_WQE_1ST_RESERVED0_MASK      0x7
300 #define ROCE_SQ_BIND_WQE_1ST_RESERVED0_SHIFT     5
301 	u8 access_ctrl;
302 #define ROCE_SQ_BIND_WQE_1ST_REMOTE_READ_MASK    0x1
303 #define ROCE_SQ_BIND_WQE_1ST_REMOTE_READ_SHIFT   0
304 #define ROCE_SQ_BIND_WQE_1ST_REMOTE_WRITE_MASK   0x1
305 #define ROCE_SQ_BIND_WQE_1ST_REMOTE_WRITE_SHIFT  1
306 #define ROCE_SQ_BIND_WQE_1ST_ENABLE_ATOMIC_MASK  0x1
307 #define ROCE_SQ_BIND_WQE_1ST_ENABLE_ATOMIC_SHIFT 2
308 #define ROCE_SQ_BIND_WQE_1ST_LOCAL_READ_MASK     0x1
309 #define ROCE_SQ_BIND_WQE_1ST_LOCAL_READ_SHIFT    3
310 #define ROCE_SQ_BIND_WQE_1ST_LOCAL_WRITE_MASK    0x1
311 #define ROCE_SQ_BIND_WQE_1ST_LOCAL_WRITE_SHIFT   4
312 #define ROCE_SQ_BIND_WQE_1ST_RESERVED1_MASK      0x7
313 #define ROCE_SQ_BIND_WQE_1ST_RESERVED1_SHIFT     5
314 	u8 prev_wqe_size;
315 };
316 
317 /*
318  * Second element (16 bytes) of bind wqe
319  */
320 struct roce_sq_bind_wqe_2nd {
321 	u8 bind_ctrl;
322 #define ROCE_SQ_BIND_WQE_2ND_ZERO_BASED_MASK  0x1
323 #define ROCE_SQ_BIND_WQE_2ND_ZERO_BASED_SHIFT 0
324 #define ROCE_SQ_BIND_WQE_2ND_MW_TYPE_MASK     0x1
325 #define ROCE_SQ_BIND_WQE_2ND_MW_TYPE_SHIFT    1
326 #define ROCE_SQ_BIND_WQE_2ND_RESERVED2_MASK   0x3F
327 #define ROCE_SQ_BIND_WQE_2ND_RESERVED2_SHIFT  2
328 	u8 reserved3[2];
329 	u8 length_hi;
330 	__le32 length_lo;
331 	__le32 parent_l_key;
332 	__le32 reserved6;
333 };
334 
335 /*
336  * Structure with only the SQ WQE common fields. Size is of one SQ element (16B)
337  */
338 struct roce_sq_common_wqe {
339 	__le32 reserved1[3];
340 	u8 req_type;
341 	u8 flags;
342 #define ROCE_SQ_COMMON_WQE_COMP_FLG_MASK       0x1
343 #define ROCE_SQ_COMMON_WQE_COMP_FLG_SHIFT      0
344 #define ROCE_SQ_COMMON_WQE_RD_FENCE_FLG_MASK   0x1
345 #define ROCE_SQ_COMMON_WQE_RD_FENCE_FLG_SHIFT  1
346 #define ROCE_SQ_COMMON_WQE_INV_FENCE_FLG_MASK  0x1
347 #define ROCE_SQ_COMMON_WQE_INV_FENCE_FLG_SHIFT 2
348 #define ROCE_SQ_COMMON_WQE_SE_FLG_MASK         0x1
349 #define ROCE_SQ_COMMON_WQE_SE_FLG_SHIFT        3
350 #define ROCE_SQ_COMMON_WQE_INLINE_FLG_MASK     0x1
351 #define ROCE_SQ_COMMON_WQE_INLINE_FLG_SHIFT    4
352 #define ROCE_SQ_COMMON_WQE_RESERVED0_MASK      0x7
353 #define ROCE_SQ_COMMON_WQE_RESERVED0_SHIFT     5
354 	u8 reserved2;
355 	u8 prev_wqe_size;
356 };
357 
358 struct roce_sq_fmr_wqe {
359 	struct regpair addr;
360 	__le32 l_key;
361 	u8 req_type;
362 	u8 flags;
363 #define ROCE_SQ_FMR_WQE_COMP_FLG_MASK       0x1
364 #define ROCE_SQ_FMR_WQE_COMP_FLG_SHIFT      0
365 #define ROCE_SQ_FMR_WQE_RD_FENCE_FLG_MASK   0x1
366 #define ROCE_SQ_FMR_WQE_RD_FENCE_FLG_SHIFT  1
367 #define ROCE_SQ_FMR_WQE_INV_FENCE_FLG_MASK  0x1
368 #define ROCE_SQ_FMR_WQE_INV_FENCE_FLG_SHIFT 2
369 #define ROCE_SQ_FMR_WQE_SE_FLG_MASK         0x1
370 #define ROCE_SQ_FMR_WQE_SE_FLG_SHIFT        3
371 #define ROCE_SQ_FMR_WQE_INLINE_FLG_MASK     0x1
372 #define ROCE_SQ_FMR_WQE_INLINE_FLG_SHIFT    4
373 #define ROCE_SQ_FMR_WQE_RESERVED0_MASK      0x7
374 #define ROCE_SQ_FMR_WQE_RESERVED0_SHIFT     5
375 	u8 access_ctrl;
376 #define ROCE_SQ_FMR_WQE_REMOTE_READ_MASK    0x1
377 #define ROCE_SQ_FMR_WQE_REMOTE_READ_SHIFT   0
378 #define ROCE_SQ_FMR_WQE_REMOTE_WRITE_MASK   0x1
379 #define ROCE_SQ_FMR_WQE_REMOTE_WRITE_SHIFT  1
380 #define ROCE_SQ_FMR_WQE_ENABLE_ATOMIC_MASK  0x1
381 #define ROCE_SQ_FMR_WQE_ENABLE_ATOMIC_SHIFT 2
382 #define ROCE_SQ_FMR_WQE_LOCAL_READ_MASK     0x1
383 #define ROCE_SQ_FMR_WQE_LOCAL_READ_SHIFT    3
384 #define ROCE_SQ_FMR_WQE_LOCAL_WRITE_MASK    0x1
385 #define ROCE_SQ_FMR_WQE_LOCAL_WRITE_SHIFT   4
386 #define ROCE_SQ_FMR_WQE_RESERVED1_MASK      0x7
387 #define ROCE_SQ_FMR_WQE_RESERVED1_SHIFT     5
388 	u8 prev_wqe_size;
389 	u8 fmr_ctrl;
390 #define ROCE_SQ_FMR_WQE_PAGE_SIZE_LOG_MASK  0x1F
391 #define ROCE_SQ_FMR_WQE_PAGE_SIZE_LOG_SHIFT 0
392 #define ROCE_SQ_FMR_WQE_ZERO_BASED_MASK     0x1
393 #define ROCE_SQ_FMR_WQE_ZERO_BASED_SHIFT    5
394 #define ROCE_SQ_FMR_WQE_BIND_EN_MASK        0x1
395 #define ROCE_SQ_FMR_WQE_BIND_EN_SHIFT       6
396 #define ROCE_SQ_FMR_WQE_RESERVED2_MASK      0x1
397 #define ROCE_SQ_FMR_WQE_RESERVED2_SHIFT     7
398 	u8 reserved3[2];
399 	u8 length_hi;
400 	__le32 length_lo;
401 	struct regpair pbl_addr;
402 };
403 
404 /*
405  * First element (16 bytes) of fmr wqe
406  */
407 struct roce_sq_fmr_wqe_1st {
408 	struct regpair addr;
409 	__le32 l_key;
410 	u8 req_type;
411 	u8 flags;
412 #define ROCE_SQ_FMR_WQE_1ST_COMP_FLG_MASK       0x1
413 #define ROCE_SQ_FMR_WQE_1ST_COMP_FLG_SHIFT      0
414 #define ROCE_SQ_FMR_WQE_1ST_RD_FENCE_FLG_MASK   0x1
415 #define ROCE_SQ_FMR_WQE_1ST_RD_FENCE_FLG_SHIFT  1
416 #define ROCE_SQ_FMR_WQE_1ST_INV_FENCE_FLG_MASK  0x1
417 #define ROCE_SQ_FMR_WQE_1ST_INV_FENCE_FLG_SHIFT 2
418 #define ROCE_SQ_FMR_WQE_1ST_SE_FLG_MASK         0x1
419 #define ROCE_SQ_FMR_WQE_1ST_SE_FLG_SHIFT        3
420 #define ROCE_SQ_FMR_WQE_1ST_INLINE_FLG_MASK     0x1
421 #define ROCE_SQ_FMR_WQE_1ST_INLINE_FLG_SHIFT    4
422 #define ROCE_SQ_FMR_WQE_1ST_RESERVED0_MASK      0x7
423 #define ROCE_SQ_FMR_WQE_1ST_RESERVED0_SHIFT     5
424 	u8 access_ctrl;
425 #define ROCE_SQ_FMR_WQE_1ST_REMOTE_READ_MASK    0x1
426 #define ROCE_SQ_FMR_WQE_1ST_REMOTE_READ_SHIFT   0
427 #define ROCE_SQ_FMR_WQE_1ST_REMOTE_WRITE_MASK   0x1
428 #define ROCE_SQ_FMR_WQE_1ST_REMOTE_WRITE_SHIFT  1
429 #define ROCE_SQ_FMR_WQE_1ST_ENABLE_ATOMIC_MASK  0x1
430 #define ROCE_SQ_FMR_WQE_1ST_ENABLE_ATOMIC_SHIFT 2
431 #define ROCE_SQ_FMR_WQE_1ST_LOCAL_READ_MASK     0x1
432 #define ROCE_SQ_FMR_WQE_1ST_LOCAL_READ_SHIFT    3
433 #define ROCE_SQ_FMR_WQE_1ST_LOCAL_WRITE_MASK    0x1
434 #define ROCE_SQ_FMR_WQE_1ST_LOCAL_WRITE_SHIFT   4
435 #define ROCE_SQ_FMR_WQE_1ST_RESERVED1_MASK      0x7
436 #define ROCE_SQ_FMR_WQE_1ST_RESERVED1_SHIFT     5
437 	u8 prev_wqe_size;
438 };
439 
440 /*
441  * Second element (16 bytes) of fmr wqe
442  */
443 struct roce_sq_fmr_wqe_2nd {
444 	u8 fmr_ctrl;
445 #define ROCE_SQ_FMR_WQE_2ND_PAGE_SIZE_LOG_MASK  0x1F
446 #define ROCE_SQ_FMR_WQE_2ND_PAGE_SIZE_LOG_SHIFT 0
447 #define ROCE_SQ_FMR_WQE_2ND_ZERO_BASED_MASK     0x1
448 #define ROCE_SQ_FMR_WQE_2ND_ZERO_BASED_SHIFT    5
449 #define ROCE_SQ_FMR_WQE_2ND_BIND_EN_MASK        0x1
450 #define ROCE_SQ_FMR_WQE_2ND_BIND_EN_SHIFT       6
451 #define ROCE_SQ_FMR_WQE_2ND_RESERVED2_MASK      0x1
452 #define ROCE_SQ_FMR_WQE_2ND_RESERVED2_SHIFT     7
453 	u8 reserved3[2];
454 	u8 length_hi;
455 	__le32 length_lo;
456 	struct regpair pbl_addr;
457 };
458 
459 struct roce_sq_local_inv_wqe {
460 	struct regpair reserved;
461 	__le32 inv_l_key;
462 	u8 req_type;
463 	u8 flags;
464 #define ROCE_SQ_LOCAL_INV_WQE_COMP_FLG_MASK       0x1
465 #define ROCE_SQ_LOCAL_INV_WQE_COMP_FLG_SHIFT      0
466 #define ROCE_SQ_LOCAL_INV_WQE_RD_FENCE_FLG_MASK   0x1
467 #define ROCE_SQ_LOCAL_INV_WQE_RD_FENCE_FLG_SHIFT  1
468 #define ROCE_SQ_LOCAL_INV_WQE_INV_FENCE_FLG_MASK  0x1
469 #define ROCE_SQ_LOCAL_INV_WQE_INV_FENCE_FLG_SHIFT 2
470 #define ROCE_SQ_LOCAL_INV_WQE_SE_FLG_MASK         0x1
471 #define ROCE_SQ_LOCAL_INV_WQE_SE_FLG_SHIFT        3
472 #define ROCE_SQ_LOCAL_INV_WQE_INLINE_FLG_MASK     0x1
473 #define ROCE_SQ_LOCAL_INV_WQE_INLINE_FLG_SHIFT    4
474 #define ROCE_SQ_LOCAL_INV_WQE_RESERVED0_MASK      0x7
475 #define ROCE_SQ_LOCAL_INV_WQE_RESERVED0_SHIFT     5
476 	u8 reserved1;
477 	u8 prev_wqe_size;
478 };
479 
480 struct roce_sq_rdma_wqe {
481 	__le32 imm_data;
482 	__le32 length;
483 	__le32 xrc_srq;
484 	u8 req_type;
485 	u8 flags;
486 #define ROCE_SQ_RDMA_WQE_COMP_FLG_MASK       0x1
487 #define ROCE_SQ_RDMA_WQE_COMP_FLG_SHIFT      0
488 #define ROCE_SQ_RDMA_WQE_RD_FENCE_FLG_MASK   0x1
489 #define ROCE_SQ_RDMA_WQE_RD_FENCE_FLG_SHIFT  1
490 #define ROCE_SQ_RDMA_WQE_INV_FENCE_FLG_MASK  0x1
491 #define ROCE_SQ_RDMA_WQE_INV_FENCE_FLG_SHIFT 2
492 #define ROCE_SQ_RDMA_WQE_SE_FLG_MASK         0x1
493 #define ROCE_SQ_RDMA_WQE_SE_FLG_SHIFT        3
494 #define ROCE_SQ_RDMA_WQE_INLINE_FLG_MASK     0x1
495 #define ROCE_SQ_RDMA_WQE_INLINE_FLG_SHIFT    4
496 #define ROCE_SQ_RDMA_WQE_RESERVED0_MASK      0x7
497 #define ROCE_SQ_RDMA_WQE_RESERVED0_SHIFT     5
498 	u8 wqe_size;
499 	u8 prev_wqe_size;
500 	struct regpair remote_va;
501 	__le32 r_key;
502 	__le32 reserved1;
503 };
504 
505 /*
506  * First element (16 bytes) of rdma wqe
507  */
508 struct roce_sq_rdma_wqe_1st {
509 	__le32 imm_data;
510 	__le32 length;
511 	__le32 xrc_srq;
512 	u8 req_type;
513 	u8 flags;
514 #define ROCE_SQ_RDMA_WQE_1ST_COMP_FLG_MASK       0x1
515 #define ROCE_SQ_RDMA_WQE_1ST_COMP_FLG_SHIFT      0
516 #define ROCE_SQ_RDMA_WQE_1ST_RD_FENCE_FLG_MASK   0x1
517 #define ROCE_SQ_RDMA_WQE_1ST_RD_FENCE_FLG_SHIFT  1
518 #define ROCE_SQ_RDMA_WQE_1ST_INV_FENCE_FLG_MASK  0x1
519 #define ROCE_SQ_RDMA_WQE_1ST_INV_FENCE_FLG_SHIFT 2
520 #define ROCE_SQ_RDMA_WQE_1ST_SE_FLG_MASK         0x1
521 #define ROCE_SQ_RDMA_WQE_1ST_SE_FLG_SHIFT        3
522 #define ROCE_SQ_RDMA_WQE_1ST_INLINE_FLG_MASK     0x1
523 #define ROCE_SQ_RDMA_WQE_1ST_INLINE_FLG_SHIFT    4
524 #define ROCE_SQ_RDMA_WQE_1ST_RESERVED0_MASK      0x7
525 #define ROCE_SQ_RDMA_WQE_1ST_RESERVED0_SHIFT     5
526 	u8 wqe_size;
527 	u8 prev_wqe_size;
528 };
529 
530 /*
531  * Second element (16 bytes) of rdma wqe
532  */
533 struct roce_sq_rdma_wqe_2nd {
534 	struct regpair remote_va;
535 	__le32 r_key;
536 	__le32 reserved1;
537 };
538 
539 /*
540  * SQ WQE req type enumeration
541  */
542 enum roce_sq_req_type {
543 	ROCE_SQ_REQ_TYPE_SEND,
544 	ROCE_SQ_REQ_TYPE_SEND_WITH_IMM,
545 	ROCE_SQ_REQ_TYPE_SEND_WITH_INVALIDATE,
546 	ROCE_SQ_REQ_TYPE_RDMA_WR,
547 	ROCE_SQ_REQ_TYPE_RDMA_WR_WITH_IMM,
548 	ROCE_SQ_REQ_TYPE_RDMA_RD,
549 	ROCE_SQ_REQ_TYPE_ATOMIC_CMP_AND_SWAP,
550 	ROCE_SQ_REQ_TYPE_ATOMIC_ADD,
551 	ROCE_SQ_REQ_TYPE_LOCAL_INVALIDATE,
552 	ROCE_SQ_REQ_TYPE_FAST_MR,
553 	ROCE_SQ_REQ_TYPE_BIND,
554 	ROCE_SQ_REQ_TYPE_INVALID,
555 	MAX_ROCE_SQ_REQ_TYPE
556 };
557 
558 struct roce_sq_send_wqe {
559 	__le32 inv_key_or_imm_data;
560 	__le32 length;
561 	__le32 xrc_srq;
562 	u8 req_type;
563 	u8 flags;
564 #define ROCE_SQ_SEND_WQE_COMP_FLG_MASK       0x1
565 #define ROCE_SQ_SEND_WQE_COMP_FLG_SHIFT      0
566 #define ROCE_SQ_SEND_WQE_RD_FENCE_FLG_MASK   0x1
567 #define ROCE_SQ_SEND_WQE_RD_FENCE_FLG_SHIFT  1
568 #define ROCE_SQ_SEND_WQE_INV_FENCE_FLG_MASK  0x1
569 #define ROCE_SQ_SEND_WQE_INV_FENCE_FLG_SHIFT 2
570 #define ROCE_SQ_SEND_WQE_SE_FLG_MASK         0x1
571 #define ROCE_SQ_SEND_WQE_SE_FLG_SHIFT        3
572 #define ROCE_SQ_SEND_WQE_INLINE_FLG_MASK     0x1
573 #define ROCE_SQ_SEND_WQE_INLINE_FLG_SHIFT    4
574 #define ROCE_SQ_SEND_WQE_RESERVED0_MASK      0x7
575 #define ROCE_SQ_SEND_WQE_RESERVED0_SHIFT     5
576 	u8 wqe_size;
577 	u8 prev_wqe_size;
578 };
579 
580 struct roce_sq_sge {
581 	__le32 length;
582 	struct regpair addr;
583 	__le32 l_key;
584 };
585 
586 struct roce_srq_prod {
587 	__le16 prod;
588 };
589 
590 struct roce_srq_sge {
591 	struct regpair addr;
592 	__le32 length;
593 	__le32 l_key;
594 	struct regpair wr_id;
595 	u8 flags;
596 #define ROCE_SRQ_SGE_NUM_SGES_MASK   0x3
597 #define ROCE_SRQ_SGE_NUM_SGES_SHIFT  0
598 #define ROCE_SRQ_SGE_RESERVED0_MASK  0x3F
599 #define ROCE_SRQ_SGE_RESERVED0_SHIFT 2
600 	u8 reserved1;
601 	__le16 reserved2;
602 	__le32 reserved3;
603 };
604 
605 /*
606  * RoCE doorbell data for SQ and RQ
607  */
608 struct roce_pwm_val16_data {
609 	__le16 icid;
610 	__le16 prod_val;
611 };
612 
613 union roce_pwm_val16_data_union {
614 	struct roce_pwm_val16_data as_struct;
615 	__le32 as_dword;
616 };
617 
618 /*
619  * RoCE doorbell data for CQ
620  */
621 struct roce_pwm_val32_data {
622 	__le16 icid;
623 	u8 agg_flags;
624 	u8 params;
625 #define ROCE_PWM_VAL32_DATA_AGG_CMD_MASK    0x3
626 #define ROCE_PWM_VAL32_DATA_AGG_CMD_SHIFT   0
627 #define ROCE_PWM_VAL32_DATA_BYPASS_EN_MASK  0x1
628 #define ROCE_PWM_VAL32_DATA_BYPASS_EN_SHIFT 2
629 #define ROCE_PWM_VAL32_DATA_RESERVED_MASK   0x1F
630 #define ROCE_PWM_VAL32_DATA_RESERVED_SHIFT  3
631 	__le32 cq_cons_val;
632 };
633 
634 union roce_pwm_val32_data_union {
635 	struct roce_pwm_val32_data as_struct;
636 	struct regpair as_repair;
637 };
638 
639 #endif /* __QLNXR_ROCE_H__ */
640