xref: /freebsd/sys/dev/irdma/irdma_user.h (revision a91a246563dffa876a52f53a98de4af9fa364c52)
1 /*-
2  * SPDX-License-Identifier: GPL-2.0 or Linux-OpenIB
3  *
4  * Copyright (c) 2015 - 2023 Intel Corporation
5  *
6  * This software is available to you under a choice of one of two
7  * licenses.  You may choose to be licensed under the terms of the GNU
8  * General Public License (GPL) Version 2, available from the file
9  * COPYING in the main directory of this source tree, or the
10  * OpenFabrics.org BSD license below:
11  *
12  *   Redistribution and use in source and binary forms, with or
13  *   without modification, are permitted provided that the following
14  *   conditions are met:
15  *
16  *    - Redistributions of source code must retain the above
17  *	copyright notice, this list of conditions and the following
18  *	disclaimer.
19  *
20  *    - Redistributions in binary form must reproduce the above
21  *	copyright notice, this list of conditions and the following
22  *	disclaimer in the documentation and/or other materials
23  *	provided with the distribution.
24  *
25  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
26  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
27  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
28  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
29  * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
30  * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
31  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
32  * SOFTWARE.
33  */
34 
35 #ifndef IRDMA_USER_H
36 #define IRDMA_USER_H
37 
38 #include <rdma/ib_verbs.h>
39 
40 #define irdma_handle void *
41 #define irdma_adapter_handle irdma_handle
42 #define irdma_qp_handle irdma_handle
43 #define irdma_cq_handle irdma_handle
44 #define irdma_pd_id irdma_handle
45 #define irdma_stag_handle irdma_handle
46 #define irdma_stag_index u32
47 #define irdma_stag u32
48 #define irdma_stag_key u8
49 #define irdma_tagged_offset u64
50 #define irdma_access_privileges u32
51 #define irdma_physical_fragment u64
52 #define irdma_address_list u64 *
53 #define irdma_sgl struct ib_sge *
54 
55 #define IRDMA_MAX_MR_SIZE	0x200000000000ULL
56 
57 #define IRDMA_ACCESS_FLAGS_LOCALREAD		0x01
58 #define IRDMA_ACCESS_FLAGS_LOCALWRITE		0x02
59 #define IRDMA_ACCESS_FLAGS_REMOTEREAD_ONLY	0x04
60 #define IRDMA_ACCESS_FLAGS_REMOTEREAD		0x05
61 #define IRDMA_ACCESS_FLAGS_REMOTEWRITE_ONLY	0x08
62 #define IRDMA_ACCESS_FLAGS_REMOTEWRITE		0x0a
63 #define IRDMA_ACCESS_FLAGS_BIND_WINDOW		0x10
64 #define IRDMA_ACCESS_FLAGS_ZERO_BASED		0x20
65 #define IRDMA_ACCESS_FLAGS_ALL			0x3f
66 
67 #define IRDMA_OP_TYPE_RDMA_WRITE		0x00
68 #define IRDMA_OP_TYPE_RDMA_READ			0x01
69 #define IRDMA_OP_TYPE_SEND			0x03
70 #define IRDMA_OP_TYPE_SEND_INV			0x04
71 #define IRDMA_OP_TYPE_SEND_SOL			0x05
72 #define IRDMA_OP_TYPE_SEND_SOL_INV		0x06
73 #define IRDMA_OP_TYPE_RDMA_WRITE_SOL		0x0d
74 #define IRDMA_OP_TYPE_BIND_MW			0x08
75 #define IRDMA_OP_TYPE_FAST_REG_NSMR		0x09
76 #define IRDMA_OP_TYPE_INV_STAG			0x0a
77 #define IRDMA_OP_TYPE_RDMA_READ_INV_STAG	0x0b
78 #define IRDMA_OP_TYPE_NOP			0x0c
79 #define IRDMA_OP_TYPE_REC	0x3e
80 #define IRDMA_OP_TYPE_REC_IMM	0x3f
81 
82 #define IRDMA_FLUSH_MAJOR_ERR 1
83 /* Async Events codes */
84 #define IRDMA_AE_AMP_UNALLOCATED_STAG					0x0102
85 #define IRDMA_AE_AMP_INVALID_STAG					0x0103
86 #define IRDMA_AE_AMP_BAD_QP						0x0104
87 #define IRDMA_AE_AMP_BAD_PD						0x0105
88 #define IRDMA_AE_AMP_BAD_STAG_KEY					0x0106
89 #define IRDMA_AE_AMP_BAD_STAG_INDEX					0x0107
90 #define IRDMA_AE_AMP_BOUNDS_VIOLATION					0x0108
91 #define IRDMA_AE_AMP_RIGHTS_VIOLATION					0x0109
92 #define IRDMA_AE_AMP_TO_WRAP						0x010a
93 #define IRDMA_AE_AMP_FASTREG_VALID_STAG					0x010c
94 #define IRDMA_AE_AMP_FASTREG_MW_STAG					0x010d
95 #define IRDMA_AE_AMP_FASTREG_INVALID_RIGHTS				0x010e
96 #define IRDMA_AE_AMP_FASTREG_INVALID_LENGTH				0x0110
97 #define IRDMA_AE_AMP_INVALIDATE_SHARED					0x0111
98 #define IRDMA_AE_AMP_INVALIDATE_NO_REMOTE_ACCESS_RIGHTS			0x0112
99 #define IRDMA_AE_AMP_INVALIDATE_MR_WITH_BOUND_WINDOWS			0x0113
100 #define IRDMA_AE_AMP_MWBIND_VALID_STAG					0x0114
101 #define IRDMA_AE_AMP_MWBIND_OF_MR_STAG					0x0115
102 #define IRDMA_AE_AMP_MWBIND_TO_ZERO_BASED_STAG				0x0116
103 #define IRDMA_AE_AMP_MWBIND_TO_MW_STAG					0x0117
104 #define IRDMA_AE_AMP_MWBIND_INVALID_RIGHTS				0x0118
105 #define IRDMA_AE_AMP_MWBIND_INVALID_BOUNDS				0x0119
106 #define IRDMA_AE_AMP_MWBIND_TO_INVALID_PARENT				0x011a
107 #define IRDMA_AE_AMP_MWBIND_BIND_DISABLED				0x011b
108 #define IRDMA_AE_PRIV_OPERATION_DENIED					0x011c
109 #define IRDMA_AE_AMP_INVALIDATE_TYPE1_MW				0x011d
110 #define IRDMA_AE_AMP_MWBIND_ZERO_BASED_TYPE1_MW				0x011e
111 #define IRDMA_AE_AMP_FASTREG_INVALID_PBL_HPS_CFG			0x011f
112 #define IRDMA_AE_AMP_MWBIND_WRONG_TYPE					0x0120
113 #define IRDMA_AE_AMP_FASTREG_PBLE_MISMATCH				0x0121
114 #define IRDMA_AE_UDA_XMIT_DGRAM_TOO_LONG				0x0132
115 #define IRDMA_AE_UDA_XMIT_BAD_PD					0x0133
116 #define IRDMA_AE_UDA_XMIT_DGRAM_TOO_SHORT				0x0134
117 #define IRDMA_AE_UDA_L4LEN_INVALID					0x0135
118 #define IRDMA_AE_BAD_CLOSE						0x0201
119 #define IRDMA_AE_RDMAP_ROE_BAD_LLP_CLOSE				0x0202
120 #define IRDMA_AE_CQ_OPERATION_ERROR					0x0203
121 #define IRDMA_AE_RDMA_READ_WHILE_ORD_ZERO				0x0205
122 #define IRDMA_AE_STAG_ZERO_INVALID					0x0206
123 #define IRDMA_AE_IB_RREQ_AND_Q1_FULL					0x0207
124 #define IRDMA_AE_IB_INVALID_REQUEST					0x0208
125 #define IRDMA_AE_WQE_UNEXPECTED_OPCODE					0x020a
126 #define IRDMA_AE_WQE_INVALID_PARAMETER					0x020b
127 #define IRDMA_AE_WQE_INVALID_FRAG_DATA					0x020c
128 #define IRDMA_AE_IB_REMOTE_ACCESS_ERROR					0x020d
129 #define IRDMA_AE_IB_REMOTE_OP_ERROR					0x020e
130 #define IRDMA_AE_WQE_LSMM_TOO_LONG					0x0220
131 #define IRDMA_AE_DDP_INVALID_MSN_GAP_IN_MSN				0x0301
132 #define IRDMA_AE_DDP_UBE_DDP_MESSAGE_TOO_LONG_FOR_AVAILABLE_BUFFER	0x0303
133 #define IRDMA_AE_DDP_UBE_INVALID_DDP_VERSION				0x0304
134 #define IRDMA_AE_DDP_UBE_INVALID_MO					0x0305
135 #define IRDMA_AE_DDP_UBE_INVALID_MSN_NO_BUFFER_AVAILABLE		0x0306
136 #define IRDMA_AE_DDP_UBE_INVALID_QN					0x0307
137 #define IRDMA_AE_DDP_NO_L_BIT						0x0308
138 #define IRDMA_AE_RDMAP_ROE_INVALID_RDMAP_VERSION			0x0311
139 #define IRDMA_AE_RDMAP_ROE_UNEXPECTED_OPCODE				0x0312
140 #define IRDMA_AE_ROE_INVALID_RDMA_READ_REQUEST				0x0313
141 #define IRDMA_AE_ROE_INVALID_RDMA_WRITE_OR_READ_RESP			0x0314
142 #define IRDMA_AE_ROCE_RSP_LENGTH_ERROR					0x0316
143 #define IRDMA_AE_ROCE_REQ_LENGTH_ERROR					0x0318
144 #define IRDMA_AE_ROCE_EMPTY_MCG						0x0380
145 #define IRDMA_AE_ROCE_BAD_MC_IP_ADDR					0x0381
146 #define IRDMA_AE_ROCE_BAD_MC_QPID					0x0382
147 #define IRDMA_AE_MCG_QP_PROTOCOL_MISMATCH				0x0383
148 #define IRDMA_AE_INVALID_ARP_ENTRY					0x0401
149 #define IRDMA_AE_INVALID_TCP_OPTION_RCVD				0x0402
150 #define IRDMA_AE_STALE_ARP_ENTRY					0x0403
151 #define IRDMA_AE_INVALID_AH_ENTRY					0x0406
152 #define IRDMA_AE_LLP_CLOSE_COMPLETE					0x0501
153 #define IRDMA_AE_LLP_CONNECTION_RESET					0x0502
154 #define IRDMA_AE_LLP_FIN_RECEIVED					0x0503
155 #define IRDMA_AE_LLP_RECEIVED_MARKER_AND_LENGTH_FIELDS_DONT_MATCH	0x0504
156 #define IRDMA_AE_LLP_RECEIVED_MPA_CRC_ERROR				0x0505
157 #define IRDMA_AE_LLP_SEGMENT_TOO_SMALL					0x0507
158 #define IRDMA_AE_LLP_SYN_RECEIVED					0x0508
159 #define IRDMA_AE_LLP_TERMINATE_RECEIVED					0x0509
160 #define IRDMA_AE_LLP_TOO_MANY_RETRIES					0x050a
161 #define IRDMA_AE_LLP_TOO_MANY_KEEPALIVE_RETRIES				0x050b
162 #define IRDMA_AE_LLP_DOUBT_REACHABILITY					0x050c
163 #define IRDMA_AE_LLP_CONNECTION_ESTABLISHED				0x050e
164 #define IRDMA_AE_LLP_TOO_MANY_RNRS					0x050f
165 #define IRDMA_AE_RESOURCE_EXHAUSTION					0x0520
166 #define IRDMA_AE_RESET_SENT						0x0601
167 #define IRDMA_AE_TERMINATE_SENT						0x0602
168 #define IRDMA_AE_RESET_NOT_SENT						0x0603
169 #define IRDMA_AE_LCE_QP_CATASTROPHIC					0x0700
170 #define IRDMA_AE_LCE_FUNCTION_CATASTROPHIC				0x0701
171 #define IRDMA_AE_LCE_CQ_CATASTROPHIC					0x0702
172 #define IRDMA_AE_QP_SUSPEND_COMPLETE					0x0900
173 
174 enum irdma_device_caps_const {
175 	IRDMA_WQE_SIZE =			4,
176 	IRDMA_CQP_WQE_SIZE =			8,
177 	IRDMA_CQE_SIZE =			4,
178 	IRDMA_EXTENDED_CQE_SIZE =		8,
179 	IRDMA_AEQE_SIZE =			2,
180 	IRDMA_CEQE_SIZE =			1,
181 	IRDMA_CQP_CTX_SIZE =			8,
182 	IRDMA_SHADOW_AREA_SIZE =		8,
183 	IRDMA_GATHER_STATS_BUF_SIZE =		1024,
184 	IRDMA_MIN_IW_QP_ID =			0,
185 	IRDMA_QUERY_FPM_BUF_SIZE =		176,
186 	IRDMA_COMMIT_FPM_BUF_SIZE =		176,
187 	IRDMA_MAX_IW_QP_ID =			262143,
188 	IRDMA_MIN_CEQID =			0,
189 	IRDMA_MAX_CEQID =			1023,
190 	IRDMA_CEQ_MAX_COUNT =			IRDMA_MAX_CEQID + 1,
191 	IRDMA_MIN_CQID =			0,
192 	IRDMA_MAX_CQID =			524287,
193 	IRDMA_MIN_AEQ_ENTRIES =			1,
194 	IRDMA_MAX_AEQ_ENTRIES =			524287,
195 	IRDMA_MIN_CEQ_ENTRIES =			1,
196 	IRDMA_MAX_CEQ_ENTRIES =			262143,
197 	IRDMA_MIN_CQ_SIZE =			1,
198 	IRDMA_MAX_CQ_SIZE =			1048575,
199 	IRDMA_DB_ID_ZERO =			0,
200 	/* 64K + 1 */
201 	IRDMA_MAX_OUTBOUND_MSG_SIZE =		65537,
202 	/* 64K +1 */
203 	IRDMA_MAX_INBOUND_MSG_SIZE =		65537,
204 	IRDMA_MAX_PE_ENA_VF_COUNT =             32,
205 	IRDMA_MAX_VF_FPM_ID =			47,
206 	IRDMA_MAX_SQ_PAYLOAD_SIZE =		2145386496,
207 	IRDMA_MAX_INLINE_DATA_SIZE =		101,
208 	IRDMA_MAX_WQ_ENTRIES =			32768,
209 	IRDMA_Q2_BUF_SIZE =			256,
210 	IRDMA_QP_CTX_SIZE =			256,
211 	IRDMA_MAX_PDS =				262144,
212 };
213 
214 enum irdma_addressing_type {
215 	IRDMA_ADDR_TYPE_ZERO_BASED = 0,
216 	IRDMA_ADDR_TYPE_VA_BASED   = 1,
217 };
218 
219 enum irdma_flush_opcode {
220 	FLUSH_INVALID = 0,
221 	FLUSH_GENERAL_ERR,
222 	FLUSH_PROT_ERR,
223 	FLUSH_REM_ACCESS_ERR,
224 	FLUSH_LOC_QP_OP_ERR,
225 	FLUSH_REM_OP_ERR,
226 	FLUSH_LOC_LEN_ERR,
227 	FLUSH_FATAL_ERR,
228 	FLUSH_RETRY_EXC_ERR,
229 	FLUSH_MW_BIND_ERR,
230 	FLUSH_REM_INV_REQ_ERR,
231 	FLUSH_RNR_RETRY_EXC_ERR,
232 };
233 
234 enum irdma_qp_event_type {
235 	IRDMA_QP_EVENT_CATASTROPHIC,
236 	IRDMA_QP_EVENT_ACCESS_ERR,
237 	IRDMA_QP_EVENT_REQ_ERR,
238 };
239 
240 enum irdma_cmpl_status {
241 	IRDMA_COMPL_STATUS_SUCCESS = 0,
242 	IRDMA_COMPL_STATUS_FLUSHED,
243 	IRDMA_COMPL_STATUS_INVALID_WQE,
244 	IRDMA_COMPL_STATUS_QP_CATASTROPHIC,
245 	IRDMA_COMPL_STATUS_REMOTE_TERMINATION,
246 	IRDMA_COMPL_STATUS_INVALID_STAG,
247 	IRDMA_COMPL_STATUS_BASE_BOUND_VIOLATION,
248 	IRDMA_COMPL_STATUS_ACCESS_VIOLATION,
249 	IRDMA_COMPL_STATUS_INVALID_PD_ID,
250 	IRDMA_COMPL_STATUS_WRAP_ERROR,
251 	IRDMA_COMPL_STATUS_STAG_INVALID_PDID,
252 	IRDMA_COMPL_STATUS_RDMA_READ_ZERO_ORD,
253 	IRDMA_COMPL_STATUS_QP_NOT_PRIVLEDGED,
254 	IRDMA_COMPL_STATUS_STAG_NOT_INVALID,
255 	IRDMA_COMPL_STATUS_INVALID_PHYS_BUF_SIZE,
256 	IRDMA_COMPL_STATUS_INVALID_PHYS_BUF_ENTRY,
257 	IRDMA_COMPL_STATUS_INVALID_FBO,
258 	IRDMA_COMPL_STATUS_INVALID_LEN,
259 	IRDMA_COMPL_STATUS_INVALID_ACCESS,
260 	IRDMA_COMPL_STATUS_PHYS_BUF_LIST_TOO_LONG,
261 	IRDMA_COMPL_STATUS_INVALID_VIRT_ADDRESS,
262 	IRDMA_COMPL_STATUS_INVALID_REGION,
263 	IRDMA_COMPL_STATUS_INVALID_WINDOW,
264 	IRDMA_COMPL_STATUS_INVALID_TOTAL_LEN,
265 	IRDMA_COMPL_STATUS_UNKNOWN,
266 };
267 
268 enum irdma_cmpl_notify {
269 	IRDMA_CQ_COMPL_EVENT     = 0,
270 	IRDMA_CQ_COMPL_SOLICITED = 1,
271 };
272 
273 enum irdma_qp_caps {
274 	IRDMA_WRITE_WITH_IMM = 1,
275 	IRDMA_SEND_WITH_IMM  = 2,
276 	IRDMA_ROCE	     = 4,
277 	IRDMA_PUSH_MODE      = 8,
278 };
279 
280 struct irdma_qp_uk;
281 struct irdma_cq_uk;
282 struct irdma_qp_uk_init_info;
283 struct irdma_cq_uk_init_info;
284 
285 struct irdma_ring {
286 	volatile u32 head;
287 	volatile u32 tail;	/* effective tail */
288 	u32 size;
289 };
290 
291 struct irdma_cqe {
292 	__le64 buf[IRDMA_CQE_SIZE];
293 };
294 
295 struct irdma_extended_cqe {
296 	__le64 buf[IRDMA_EXTENDED_CQE_SIZE];
297 };
298 
299 struct irdma_post_send {
300 	irdma_sgl sg_list;
301 	u32 num_sges;
302 	u32 qkey;
303 	u32 dest_qp;
304 	u32 ah_id;
305 };
306 
307 struct irdma_post_rq_info {
308 	u64 wr_id;
309 	irdma_sgl sg_list;
310 	u32 num_sges;
311 };
312 
313 struct irdma_rdma_write {
314 	irdma_sgl lo_sg_list;
315 	u32 num_lo_sges;
316 	struct ib_sge rem_addr;
317 };
318 
319 struct irdma_rdma_read {
320 	irdma_sgl lo_sg_list;
321 	u32 num_lo_sges;
322 	struct ib_sge rem_addr;
323 };
324 
325 struct irdma_bind_window {
326 	irdma_stag mr_stag;
327 	u64 bind_len;
328 	void *va;
329 	enum irdma_addressing_type addressing_type;
330 	bool ena_reads:1;
331 	bool ena_writes:1;
332 	irdma_stag mw_stag;
333 	bool mem_window_type_1:1;
334 };
335 
336 struct irdma_inv_local_stag {
337 	irdma_stag target_stag;
338 };
339 
340 struct irdma_post_sq_info {
341 	u64 wr_id;
342 	u8 op_type;
343 	u8 l4len;
344 	bool signaled:1;
345 	bool read_fence:1;
346 	bool local_fence:1;
347 	bool inline_data:1;
348 	bool imm_data_valid:1;
349 	bool push_wqe:1;
350 	bool report_rtt:1;
351 	bool udp_hdr:1;
352 	bool defer_flag:1;
353 	u32 imm_data;
354 	u32 stag_to_inv;
355 	union {
356 		struct irdma_post_send send;
357 		struct irdma_rdma_write rdma_write;
358 		struct irdma_rdma_read rdma_read;
359 		struct irdma_bind_window bind_window;
360 		struct irdma_inv_local_stag inv_local_stag;
361 	} op;
362 };
363 
364 struct irdma_cq_poll_info {
365 	u64 wr_id;
366 	irdma_qp_handle qp_handle;
367 	u32 bytes_xfered;
368 	u32 qp_id;
369 	u32 ud_src_qpn;
370 	u32 imm_data;
371 	irdma_stag inv_stag; /* or L_R_Key */
372 	enum irdma_cmpl_status comp_status;
373 	u16 major_err;
374 	u16 minor_err;
375 	u16 ud_vlan;
376 	u8 ud_smac[6];
377 	u8 op_type;
378 	u8 q_type;
379 	bool stag_invalid_set:1; /* or L_R_Key set */
380 	bool push_dropped:1;
381 	bool error:1;
382 	bool solicited_event:1;
383 	bool ipv4:1;
384 	bool ud_vlan_valid:1;
385 	bool ud_smac_valid:1;
386 	bool imm_valid:1;
387 	bool signaled:1;
388 	union {
389 		u32 tcp_sqn;
390 		u32 roce_psn;
391 		u32 rtt;
392 		u32 raw;
393 	} stat;
394 };
395 
396 struct qp_err_code {
397 	enum irdma_flush_opcode flush_code;
398 	enum irdma_qp_event_type event_type;
399 };
400 
401 int irdma_uk_inline_rdma_write(struct irdma_qp_uk *qp,
402 			       struct irdma_post_sq_info *info, bool post_sq);
403 int irdma_uk_inline_send(struct irdma_qp_uk *qp,
404 			 struct irdma_post_sq_info *info, bool post_sq);
405 int irdma_uk_post_nop(struct irdma_qp_uk *qp, u64 wr_id, bool signaled,
406 		      bool post_sq);
407 int irdma_uk_post_receive(struct irdma_qp_uk *qp,
408 			  struct irdma_post_rq_info *info);
409 void irdma_uk_qp_post_wr(struct irdma_qp_uk *qp);
410 int irdma_uk_rdma_read(struct irdma_qp_uk *qp, struct irdma_post_sq_info *info,
411 		       bool inv_stag, bool post_sq);
412 int irdma_uk_rdma_write(struct irdma_qp_uk *qp, struct irdma_post_sq_info *info,
413 			bool post_sq);
414 int irdma_uk_send(struct irdma_qp_uk *qp, struct irdma_post_sq_info *info,
415 		  bool post_sq);
416 int irdma_uk_stag_local_invalidate(struct irdma_qp_uk *qp,
417 				   struct irdma_post_sq_info *info,
418 				   bool post_sq);
419 
420 struct irdma_wqe_uk_ops {
421 	void (*iw_copy_inline_data)(u8 *dest, struct ib_sge *sge_list, u32 num_sges, u8 polarity);
422 	u16 (*iw_inline_data_size_to_quanta)(u32 data_size);
423 	void (*iw_set_fragment)(__le64 *wqe, u32 offset, struct ib_sge *sge,
424 				u8 valid);
425 	void (*iw_set_mw_bind_wqe)(__le64 *wqe,
426 				   struct irdma_bind_window *op_info);
427 };
428 
429 int irdma_uk_cq_poll_cmpl(struct irdma_cq_uk *cq,
430 			  struct irdma_cq_poll_info *info);
431 void irdma_uk_cq_request_notification(struct irdma_cq_uk *cq,
432 				      enum irdma_cmpl_notify cq_notify);
433 void irdma_uk_cq_resize(struct irdma_cq_uk *cq, void *cq_base, int size);
434 void irdma_uk_cq_set_resized_cnt(struct irdma_cq_uk *qp, u16 cnt);
435 int irdma_uk_cq_init(struct irdma_cq_uk *cq,
436 		     struct irdma_cq_uk_init_info *info);
437 int irdma_uk_qp_init(struct irdma_qp_uk *qp,
438 		     struct irdma_qp_uk_init_info *info);
439 void irdma_uk_calc_shift_wq(struct irdma_qp_uk_init_info *ukinfo, u8 *sq_shift,
440 			    u8 *rq_shift);
441 int irdma_uk_calc_depth_shift_sq(struct irdma_qp_uk_init_info *ukinfo,
442 				 u32 *sq_depth, u8 *sq_shift);
443 int irdma_uk_calc_depth_shift_rq(struct irdma_qp_uk_init_info *ukinfo,
444 				 u32 *rq_depth, u8 *rq_shift);
445 struct irdma_sq_uk_wr_trk_info {
446 	u64 wrid;
447 	u32 wr_len;
448 	u16 quanta;
449 	u8 signaled;
450 	u8 reserved[1];
451 };
452 
453 struct irdma_qp_quanta {
454 	__le64 elem[IRDMA_WQE_SIZE];
455 };
456 
457 struct irdma_qp_uk {
458 	struct irdma_qp_quanta *sq_base;
459 	struct irdma_qp_quanta *rq_base;
460 	struct irdma_uk_attrs *uk_attrs;
461 	u32 IOMEM *wqe_alloc_db;
462 	struct irdma_sq_uk_wr_trk_info *sq_wrtrk_array;
463 	struct irdma_sig_wr_trk_info *sq_sigwrtrk_array;
464 	u64 *rq_wrid_array;
465 	__le64 *shadow_area;
466 	__le32 *push_db;
467 	__le64 *push_wqe;
468 	struct irdma_ring sq_ring;
469 	struct irdma_ring sq_sig_ring;
470 	struct irdma_ring rq_ring;
471 	struct irdma_ring initial_ring;
472 	u32 qp_id;
473 	u32 qp_caps;
474 	u32 sq_size;
475 	u32 rq_size;
476 	u32 max_sq_frag_cnt;
477 	u32 max_rq_frag_cnt;
478 	u32 max_inline_data;
479 	u32 last_rx_cmpl_idx;
480 	u32 last_tx_cmpl_idx;
481 	struct irdma_wqe_uk_ops wqe_ops;
482 	u16 conn_wqes;
483 	u8 qp_type;
484 	u8 swqe_polarity;
485 	u8 swqe_polarity_deferred;
486 	u8 rwqe_polarity;
487 	u8 rq_wqe_size;
488 	u8 rq_wqe_size_multiplier;
489 	u8 start_wqe_idx;
490 	bool deferred_flag:1;
491 	bool push_mode:1; /* whether the last post wqe was pushed */
492 	bool push_dropped:1;
493 	bool first_sq_wq:1;
494 	bool sq_flush_complete:1; /* Indicates flush was seen and SQ was empty after the flush */
495 	bool rq_flush_complete:1; /* Indicates flush was seen and RQ was empty after the flush */
496 	bool destroy_pending:1; /* Indicates the QP is being destroyed */
497 	void *back_qp;
498 	spinlock_t *lock;
499 	u8 dbg_rq_flushed;
500 	u16 ord_cnt;
501 	u8 sq_flush_seen;
502 	u8 rq_flush_seen;
503 	u8 rd_fence_rate;
504 };
505 
506 struct irdma_cq_uk {
507 	struct irdma_cqe *cq_base;
508 	u32 IOMEM *cqe_alloc_db;
509 	u32 IOMEM *cq_ack_db;
510 	__le64 *shadow_area;
511 	u32 cq_id;
512 	u32 cq_size;
513 	struct irdma_ring cq_ring;
514 	u8 polarity;
515 	bool avoid_mem_cflct:1;
516 };
517 
518 struct irdma_qp_uk_init_info {
519 	struct irdma_qp_quanta *sq;
520 	struct irdma_qp_quanta *rq;
521 	struct irdma_uk_attrs *uk_attrs;
522 	u32 IOMEM *wqe_alloc_db;
523 	__le64 *shadow_area;
524 	struct irdma_sq_uk_wr_trk_info *sq_wrtrk_array;
525 	struct irdma_sig_wr_trk_info *sq_sigwrtrk_array;
526 	u64 *rq_wrid_array;
527 	u32 qp_id;
528 	u32 qp_caps;
529 	u32 sq_size;
530 	u32 rq_size;
531 	u32 max_sq_frag_cnt;
532 	u32 max_rq_frag_cnt;
533 	u32 max_inline_data;
534 	u32 sq_depth;
535 	u32 rq_depth;
536 	u8 first_sq_wq;
537 	u8 start_wqe_idx;
538 	u8 type;
539 	u8 sq_shift;
540 	u8 rq_shift;
541 	u8 rd_fence_rate;
542 	int abi_ver;
543 	bool legacy_mode;
544 };
545 
546 struct irdma_cq_uk_init_info {
547 	u32 IOMEM *cqe_alloc_db;
548 	u32 IOMEM *cq_ack_db;
549 	struct irdma_cqe *cq_base;
550 	__le64 *shadow_area;
551 	u32 cq_size;
552 	u32 cq_id;
553 	bool avoid_mem_cflct;
554 };
555 
556 __le64 *irdma_qp_get_next_send_wqe(struct irdma_qp_uk *qp, u32 *wqe_idx,
557 				   u16 *quanta, u32 total_size,
558 				   struct irdma_post_sq_info *info);
559 __le64 *irdma_qp_get_next_recv_wqe(struct irdma_qp_uk *qp, u32 *wqe_idx);
560 int irdma_uk_clean_cq(void *q, struct irdma_cq_uk *cq);
561 int irdma_nop(struct irdma_qp_uk *qp, u64 wr_id, bool signaled, bool post_sq);
562 int irdma_fragcnt_to_quanta_sq(u32 frag_cnt, u16 *quanta);
563 int irdma_fragcnt_to_wqesize_rq(u32 frag_cnt, u16 *wqe_size);
564 void irdma_get_wqe_shift(struct irdma_uk_attrs *uk_attrs, u32 sge,
565 			 u32 inline_data, u8 *shift);
566 int irdma_get_sqdepth(struct irdma_uk_attrs *uk_attrs, u32 sq_size, u8 shift, u32 *sqdepth);
567 int irdma_get_rqdepth(struct irdma_uk_attrs *uk_attrs, u32 rq_size, u8 shift, u32 *rqdepth);
568 void irdma_qp_push_wqe(struct irdma_qp_uk *qp, __le64 *wqe, u16 quanta,
569 		       u32 wqe_idx, bool post_sq);
570 void irdma_clr_wqes(struct irdma_qp_uk *qp, u32 qp_wqe_idx);
571 
572 static inline struct qp_err_code irdma_ae_to_qp_err_code(u16 ae_id)
573 {
574 	struct qp_err_code qp_err = { 0 };
575 
576 	switch (ae_id) {
577 	case IRDMA_AE_AMP_BOUNDS_VIOLATION:
578 	case IRDMA_AE_AMP_INVALID_STAG:
579 	case IRDMA_AE_AMP_RIGHTS_VIOLATION:
580 	case IRDMA_AE_AMP_UNALLOCATED_STAG:
581 	case IRDMA_AE_AMP_BAD_PD:
582 	case IRDMA_AE_AMP_BAD_QP:
583 	case IRDMA_AE_AMP_BAD_STAG_KEY:
584 	case IRDMA_AE_AMP_BAD_STAG_INDEX:
585 	case IRDMA_AE_AMP_TO_WRAP:
586 	case IRDMA_AE_PRIV_OPERATION_DENIED:
587 		qp_err.flush_code = FLUSH_PROT_ERR;
588 		qp_err.event_type = IRDMA_QP_EVENT_ACCESS_ERR;
589 		break;
590 	case IRDMA_AE_UDA_XMIT_BAD_PD:
591 	case IRDMA_AE_WQE_UNEXPECTED_OPCODE:
592 		qp_err.flush_code = FLUSH_LOC_QP_OP_ERR;
593 		qp_err.event_type = IRDMA_QP_EVENT_CATASTROPHIC;
594 		break;
595 	case IRDMA_AE_UDA_XMIT_DGRAM_TOO_SHORT:
596 	case IRDMA_AE_UDA_XMIT_DGRAM_TOO_LONG:
597 	case IRDMA_AE_UDA_L4LEN_INVALID:
598 	case IRDMA_AE_DDP_UBE_INVALID_MO:
599 	case IRDMA_AE_DDP_UBE_DDP_MESSAGE_TOO_LONG_FOR_AVAILABLE_BUFFER:
600 		qp_err.flush_code = FLUSH_LOC_LEN_ERR;
601 		qp_err.event_type = IRDMA_QP_EVENT_CATASTROPHIC;
602 		break;
603 	case IRDMA_AE_AMP_INVALIDATE_NO_REMOTE_ACCESS_RIGHTS:
604 	case IRDMA_AE_IB_REMOTE_ACCESS_ERROR:
605 		qp_err.flush_code = FLUSH_REM_ACCESS_ERR;
606 		qp_err.event_type = IRDMA_QP_EVENT_ACCESS_ERR;
607 		break;
608 	case IRDMA_AE_AMP_MWBIND_INVALID_RIGHTS:
609 	case IRDMA_AE_AMP_MWBIND_BIND_DISABLED:
610 	case IRDMA_AE_AMP_MWBIND_INVALID_BOUNDS:
611 	case IRDMA_AE_AMP_MWBIND_VALID_STAG:
612 		qp_err.flush_code = FLUSH_MW_BIND_ERR;
613 		qp_err.event_type = IRDMA_QP_EVENT_ACCESS_ERR;
614 		break;
615 	case IRDMA_AE_LLP_TOO_MANY_RETRIES:
616 		qp_err.flush_code = FLUSH_RETRY_EXC_ERR;
617 		qp_err.event_type = IRDMA_QP_EVENT_CATASTROPHIC;
618 		break;
619 	case IRDMA_AE_IB_INVALID_REQUEST:
620 		qp_err.flush_code = FLUSH_REM_INV_REQ_ERR;
621 		qp_err.event_type = IRDMA_QP_EVENT_REQ_ERR;
622 		break;
623 	case IRDMA_AE_LLP_SEGMENT_TOO_SMALL:
624 	case IRDMA_AE_LLP_RECEIVED_MPA_CRC_ERROR:
625 	case IRDMA_AE_ROCE_RSP_LENGTH_ERROR:
626 	case IRDMA_AE_ROCE_REQ_LENGTH_ERROR:
627 	case IRDMA_AE_IB_REMOTE_OP_ERROR:
628 		qp_err.flush_code = FLUSH_REM_OP_ERR;
629 		qp_err.event_type = IRDMA_QP_EVENT_CATASTROPHIC;
630 		break;
631 	case IRDMA_AE_LLP_TOO_MANY_RNRS:
632 		qp_err.flush_code = FLUSH_RNR_RETRY_EXC_ERR;
633 		qp_err.event_type = IRDMA_QP_EVENT_CATASTROPHIC;
634 		break;
635 	case IRDMA_AE_LCE_QP_CATASTROPHIC:
636 		qp_err.flush_code = FLUSH_FATAL_ERR;
637 		qp_err.event_type = IRDMA_QP_EVENT_CATASTROPHIC;
638 		break;
639 	default:
640 		qp_err.flush_code = FLUSH_GENERAL_ERR;
641 		qp_err.event_type = IRDMA_QP_EVENT_CATASTROPHIC;
642 		break;
643 	}
644 
645 	return qp_err;
646 }
647 #endif /* IRDMA_USER_H */
648