xref: /freebsd/sys/dev/irdma/irdma_user.h (revision bdcbfde31e8e9b343f113a1956384bdf30d1ed62)
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 #define irdma_handle void *
39 #define irdma_adapter_handle irdma_handle
40 #define irdma_qp_handle irdma_handle
41 #define irdma_cq_handle irdma_handle
42 #define irdma_pd_id irdma_handle
43 #define irdma_stag_handle irdma_handle
44 #define irdma_stag_index u32
45 #define irdma_stag u32
46 #define irdma_stag_key u8
47 #define irdma_tagged_offset u64
48 #define irdma_access_privileges u32
49 #define irdma_physical_fragment u64
50 #define irdma_address_list u64 *
51 #define irdma_sgl struct irdma_sge *
52 
53 #define IRDMA_MAX_MR_SIZE	0x200000000000ULL
54 
55 #define IRDMA_ACCESS_FLAGS_LOCALREAD		0x01
56 #define IRDMA_ACCESS_FLAGS_LOCALWRITE		0x02
57 #define IRDMA_ACCESS_FLAGS_REMOTEREAD_ONLY	0x04
58 #define IRDMA_ACCESS_FLAGS_REMOTEREAD		0x05
59 #define IRDMA_ACCESS_FLAGS_REMOTEWRITE_ONLY	0x08
60 #define IRDMA_ACCESS_FLAGS_REMOTEWRITE		0x0a
61 #define IRDMA_ACCESS_FLAGS_BIND_WINDOW		0x10
62 #define IRDMA_ACCESS_FLAGS_ZERO_BASED		0x20
63 #define IRDMA_ACCESS_FLAGS_ALL			0x3f
64 
65 #define IRDMA_OP_TYPE_RDMA_WRITE		0x00
66 #define IRDMA_OP_TYPE_RDMA_READ			0x01
67 #define IRDMA_OP_TYPE_SEND			0x03
68 #define IRDMA_OP_TYPE_SEND_INV			0x04
69 #define IRDMA_OP_TYPE_SEND_SOL			0x05
70 #define IRDMA_OP_TYPE_SEND_SOL_INV		0x06
71 #define IRDMA_OP_TYPE_RDMA_WRITE_SOL		0x0d
72 #define IRDMA_OP_TYPE_BIND_MW			0x08
73 #define IRDMA_OP_TYPE_FAST_REG_NSMR		0x09
74 #define IRDMA_OP_TYPE_INV_STAG			0x0a
75 #define IRDMA_OP_TYPE_RDMA_READ_INV_STAG	0x0b
76 #define IRDMA_OP_TYPE_NOP			0x0c
77 #define IRDMA_OP_TYPE_REC	0x3e
78 #define IRDMA_OP_TYPE_REC_IMM	0x3f
79 
80 #define IRDMA_FLUSH_MAJOR_ERR 1
81 #define IRDMA_SRQFLUSH_RSVD_MAJOR_ERR 0xfffe
82 
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_EMPTY_MCG						0x0380
144 #define IRDMA_AE_ROCE_BAD_MC_IP_ADDR					0x0381
145 #define IRDMA_AE_ROCE_BAD_MC_QPID					0x0382
146 #define IRDMA_AE_MCG_QP_PROTOCOL_MISMATCH				0x0383
147 #define IRDMA_AE_INVALID_ARP_ENTRY					0x0401
148 #define IRDMA_AE_INVALID_TCP_OPTION_RCVD				0x0402
149 #define IRDMA_AE_STALE_ARP_ENTRY					0x0403
150 #define IRDMA_AE_INVALID_AH_ENTRY					0x0406
151 #define IRDMA_AE_LLP_CLOSE_COMPLETE					0x0501
152 #define IRDMA_AE_LLP_CONNECTION_RESET					0x0502
153 #define IRDMA_AE_LLP_FIN_RECEIVED					0x0503
154 #define IRDMA_AE_LLP_RECEIVED_MARKER_AND_LENGTH_FIELDS_DONT_MATCH	0x0504
155 #define IRDMA_AE_LLP_RECEIVED_MPA_CRC_ERROR				0x0505
156 #define IRDMA_AE_LLP_SEGMENT_TOO_SMALL					0x0507
157 #define IRDMA_AE_LLP_SYN_RECEIVED					0x0508
158 #define IRDMA_AE_LLP_TERMINATE_RECEIVED					0x0509
159 #define IRDMA_AE_LLP_TOO_MANY_RETRIES					0x050a
160 #define IRDMA_AE_LLP_TOO_MANY_KEEPALIVE_RETRIES				0x050b
161 #define IRDMA_AE_LLP_DOUBT_REACHABILITY					0x050c
162 #define IRDMA_AE_LLP_CONNECTION_ESTABLISHED				0x050e
163 #define IRDMA_AE_RESOURCE_EXHAUSTION					0x0520
164 #define IRDMA_AE_RESET_SENT						0x0601
165 #define IRDMA_AE_TERMINATE_SENT						0x0602
166 #define IRDMA_AE_RESET_NOT_SENT						0x0603
167 #define IRDMA_AE_LCE_QP_CATASTROPHIC					0x0700
168 #define IRDMA_AE_LCE_FUNCTION_CATASTROPHIC				0x0701
169 #define IRDMA_AE_LCE_CQ_CATASTROPHIC					0x0702
170 #define IRDMA_AE_QP_SUSPEND_COMPLETE					0x0900
171 
172 enum irdma_device_caps_const {
173 	IRDMA_WQE_SIZE =			4,
174 	IRDMA_CQP_WQE_SIZE =			8,
175 	IRDMA_CQE_SIZE =			4,
176 	IRDMA_EXTENDED_CQE_SIZE =		8,
177 	IRDMA_AEQE_SIZE =			2,
178 	IRDMA_CEQE_SIZE =			1,
179 	IRDMA_CQP_CTX_SIZE =			8,
180 	IRDMA_SHADOW_AREA_SIZE =		8,
181 	IRDMA_GATHER_STATS_BUF_SIZE =		1024,
182 	IRDMA_MIN_IW_QP_ID =			0,
183 	IRDMA_QUERY_FPM_BUF_SIZE =		176,
184 	IRDMA_COMMIT_FPM_BUF_SIZE =		176,
185 	IRDMA_MAX_IW_QP_ID =			262143,
186 	IRDMA_MIN_CEQID =			0,
187 	IRDMA_MAX_CEQID =			1023,
188 	IRDMA_CEQ_MAX_COUNT =			IRDMA_MAX_CEQID + 1,
189 	IRDMA_MIN_CQID =			0,
190 	IRDMA_MAX_CQID =			524287,
191 	IRDMA_MIN_AEQ_ENTRIES =			1,
192 	IRDMA_MAX_AEQ_ENTRIES =			524287,
193 	IRDMA_MIN_CEQ_ENTRIES =			1,
194 	IRDMA_MAX_CEQ_ENTRIES =			262143,
195 	IRDMA_MIN_CQ_SIZE =			1,
196 	IRDMA_MAX_CQ_SIZE =			1048575,
197 	IRDMA_DB_ID_ZERO =			0,
198 	/* 64K + 1 */
199 	IRDMA_MAX_OUTBOUND_MSG_SIZE =		65537,
200 	/* 64K +1 */
201 	IRDMA_MAX_INBOUND_MSG_SIZE =		65537,
202 	IRDMA_MAX_PUSH_PAGE_COUNT =		1024,
203 	IRDMA_MAX_PE_ENA_VF_COUNT =		32,
204 	IRDMA_MAX_VF_FPM_ID =			47,
205 	IRDMA_MAX_SQ_PAYLOAD_SIZE =		2145386496,
206 	IRDMA_MAX_INLINE_DATA_SIZE =		101,
207 	IRDMA_MAX_WQ_ENTRIES =			32768,
208 	IRDMA_Q2_BUF_SIZE =			256,
209 	IRDMA_QP_CTX_SIZE =			256,
210 	IRDMA_MAX_PDS =				262144,
211 };
212 
213 enum irdma_addressing_type {
214 	IRDMA_ADDR_TYPE_ZERO_BASED = 0,
215 	IRDMA_ADDR_TYPE_VA_BASED   = 1,
216 };
217 
218 enum irdma_flush_opcode {
219 	FLUSH_INVALID = 0,
220 	FLUSH_GENERAL_ERR,
221 	FLUSH_PROT_ERR,
222 	FLUSH_REM_ACCESS_ERR,
223 	FLUSH_LOC_QP_OP_ERR,
224 	FLUSH_REM_OP_ERR,
225 	FLUSH_LOC_LEN_ERR,
226 	FLUSH_FATAL_ERR,
227 	FLUSH_RETRY_EXC_ERR,
228 	FLUSH_MW_BIND_ERR,
229 	FLUSH_REM_INV_REQ_ERR,
230 };
231 
232 enum irdma_qp_event_type {
233 	IRDMA_QP_EVENT_CATASTROPHIC,
234 	IRDMA_QP_EVENT_ACCESS_ERR,
235 	IRDMA_QP_EVENT_REQ_ERR,
236 };
237 
238 enum irdma_cmpl_status {
239 	IRDMA_COMPL_STATUS_SUCCESS = 0,
240 	IRDMA_COMPL_STATUS_FLUSHED,
241 	IRDMA_COMPL_STATUS_INVALID_WQE,
242 	IRDMA_COMPL_STATUS_QP_CATASTROPHIC,
243 	IRDMA_COMPL_STATUS_REMOTE_TERMINATION,
244 	IRDMA_COMPL_STATUS_INVALID_STAG,
245 	IRDMA_COMPL_STATUS_BASE_BOUND_VIOLATION,
246 	IRDMA_COMPL_STATUS_ACCESS_VIOLATION,
247 	IRDMA_COMPL_STATUS_INVALID_PD_ID,
248 	IRDMA_COMPL_STATUS_WRAP_ERROR,
249 	IRDMA_COMPL_STATUS_STAG_INVALID_PDID,
250 	IRDMA_COMPL_STATUS_RDMA_READ_ZERO_ORD,
251 	IRDMA_COMPL_STATUS_QP_NOT_PRIVLEDGED,
252 	IRDMA_COMPL_STATUS_STAG_NOT_INVALID,
253 	IRDMA_COMPL_STATUS_INVALID_PHYS_BUF_SIZE,
254 	IRDMA_COMPL_STATUS_INVALID_PHYS_BUF_ENTRY,
255 	IRDMA_COMPL_STATUS_INVALID_FBO,
256 	IRDMA_COMPL_STATUS_INVALID_LEN,
257 	IRDMA_COMPL_STATUS_INVALID_ACCESS,
258 	IRDMA_COMPL_STATUS_PHYS_BUF_LIST_TOO_LONG,
259 	IRDMA_COMPL_STATUS_INVALID_VIRT_ADDRESS,
260 	IRDMA_COMPL_STATUS_INVALID_REGION,
261 	IRDMA_COMPL_STATUS_INVALID_WINDOW,
262 	IRDMA_COMPL_STATUS_INVALID_TOTAL_LEN,
263 	IRDMA_COMPL_STATUS_UNKNOWN,
264 };
265 
266 enum irdma_cmpl_notify {
267 	IRDMA_CQ_COMPL_EVENT     = 0,
268 	IRDMA_CQ_COMPL_SOLICITED = 1,
269 };
270 
271 enum irdma_qp_caps {
272 	IRDMA_WRITE_WITH_IMM = 1,
273 	IRDMA_SEND_WITH_IMM  = 2,
274 	IRDMA_ROCE	     = 4,
275 	IRDMA_PUSH_MODE      = 8,
276 };
277 
278 struct irdma_qp_uk;
279 struct irdma_cq_uk;
280 struct irdma_qp_uk_init_info;
281 struct irdma_cq_uk_init_info;
282 
283 struct irdma_sge {
284 	irdma_tagged_offset tag_off;
285 	u32 len;
286 	irdma_stag stag;
287 };
288 
289 struct irdma_ring {
290 	volatile u32 head;
291 	volatile u32 tail;	/* effective tail */
292 	u32 size;
293 };
294 
295 struct irdma_cqe {
296 	__le64 buf[IRDMA_CQE_SIZE];
297 };
298 
299 struct irdma_extended_cqe {
300 	__le64 buf[IRDMA_EXTENDED_CQE_SIZE];
301 };
302 
303 struct irdma_post_send {
304 	irdma_sgl sg_list;
305 	u32 num_sges;
306 	u32 qkey;
307 	u32 dest_qp;
308 	u32 ah_id;
309 };
310 
311 struct irdma_post_rq_info {
312 	u64 wr_id;
313 	irdma_sgl sg_list;
314 	u32 num_sges;
315 };
316 
317 struct irdma_rdma_write {
318 	irdma_sgl lo_sg_list;
319 	u32 num_lo_sges;
320 	struct irdma_sge rem_addr;
321 };
322 
323 struct irdma_rdma_read {
324 	irdma_sgl lo_sg_list;
325 	u32 num_lo_sges;
326 	struct irdma_sge rem_addr;
327 };
328 
329 struct irdma_bind_window {
330 	irdma_stag mr_stag;
331 	u64 bind_len;
332 	void *va;
333 	enum irdma_addressing_type addressing_type;
334 	bool ena_reads:1;
335 	bool ena_writes:1;
336 	irdma_stag mw_stag;
337 	bool mem_window_type_1:1;
338 };
339 
340 struct irdma_inv_local_stag {
341 	irdma_stag target_stag;
342 };
343 
344 struct irdma_post_sq_info {
345 	u64 wr_id;
346 	u8 op_type;
347 	u8 l4len;
348 	bool signaled:1;
349 	bool read_fence:1;
350 	bool local_fence:1;
351 	bool inline_data:1;
352 	bool imm_data_valid:1;
353 	bool push_wqe:1;
354 	bool report_rtt:1;
355 	bool udp_hdr:1;
356 	bool defer_flag:1;
357 	u32 imm_data;
358 	u32 stag_to_inv;
359 	union {
360 		struct irdma_post_send send;
361 		struct irdma_rdma_write rdma_write;
362 		struct irdma_rdma_read rdma_read;
363 		struct irdma_bind_window bind_window;
364 		struct irdma_inv_local_stag inv_local_stag;
365 	} op;
366 };
367 
368 struct irdma_cq_poll_info {
369 	u64 wr_id;
370 	irdma_qp_handle qp_handle;
371 	u32 bytes_xfered;
372 	u32 qp_id;
373 	u32 ud_src_qpn;
374 	u32 imm_data;
375 	irdma_stag inv_stag; /* or L_R_Key */
376 	enum irdma_cmpl_status comp_status;
377 	u16 major_err;
378 	u16 minor_err;
379 	u16 ud_vlan;
380 	u8 ud_smac[6];
381 	u8 op_type;
382 	u8 q_type;
383 	bool stag_invalid_set:1; /* or L_R_Key set */
384 	bool push_dropped:1;
385 	bool error:1;
386 	bool solicited_event:1;
387 	bool ipv4:1;
388 	bool ud_vlan_valid:1;
389 	bool ud_smac_valid:1;
390 	bool imm_valid:1;
391 	bool signaled:1;
392 	union {
393 		u32 tcp_sqn;
394 		u32 roce_psn;
395 		u32 rtt;
396 		u32 raw;
397 	} stat;
398 };
399 
400 struct qp_err_code {
401 	enum irdma_flush_opcode flush_code;
402 	enum irdma_qp_event_type event_type;
403 };
404 
405 int irdma_uk_inline_rdma_write(struct irdma_qp_uk *qp,
406 			       struct irdma_post_sq_info *info, bool post_sq);
407 int irdma_uk_inline_send(struct irdma_qp_uk *qp,
408 			 struct irdma_post_sq_info *info, bool post_sq);
409 int irdma_uk_post_nop(struct irdma_qp_uk *qp, u64 wr_id, bool signaled,
410 		      bool post_sq);
411 int irdma_uk_post_receive(struct irdma_qp_uk *qp,
412 			  struct irdma_post_rq_info *info);
413 void irdma_uk_qp_post_wr(struct irdma_qp_uk *qp);
414 int irdma_uk_rdma_read(struct irdma_qp_uk *qp, struct irdma_post_sq_info *info,
415 		       bool inv_stag, bool post_sq);
416 int irdma_uk_rdma_write(struct irdma_qp_uk *qp, struct irdma_post_sq_info *info,
417 			bool post_sq);
418 int irdma_uk_send(struct irdma_qp_uk *qp, struct irdma_post_sq_info *info,
419 		  bool post_sq);
420 int irdma_uk_stag_local_invalidate(struct irdma_qp_uk *qp,
421 				   struct irdma_post_sq_info *info,
422 				   bool post_sq);
423 
424 struct irdma_wqe_uk_ops {
425 	void (*iw_copy_inline_data)(u8 *dest, struct irdma_sge *sge_list, u32 num_sges, u8 polarity);
426 	u16 (*iw_inline_data_size_to_quanta)(u32 data_size);
427 	void (*iw_set_fragment)(__le64 *wqe, u32 offset, struct irdma_sge *sge,
428 				u8 valid);
429 	void (*iw_set_mw_bind_wqe)(__le64 *wqe,
430 				   struct irdma_bind_window *op_info);
431 };
432 
433 int irdma_uk_cq_poll_cmpl(struct irdma_cq_uk *cq,
434 			  struct irdma_cq_poll_info *info);
435 void irdma_uk_cq_request_notification(struct irdma_cq_uk *cq,
436 				      enum irdma_cmpl_notify cq_notify);
437 void irdma_uk_cq_resize(struct irdma_cq_uk *cq, void *cq_base, int size);
438 void irdma_uk_cq_set_resized_cnt(struct irdma_cq_uk *qp, u16 cnt);
439 int irdma_uk_cq_init(struct irdma_cq_uk *cq,
440 		     struct irdma_cq_uk_init_info *info);
441 int irdma_uk_qp_init(struct irdma_qp_uk *qp,
442 		     struct irdma_qp_uk_init_info *info);
443 void irdma_uk_calc_shift_wq(struct irdma_qp_uk_init_info *ukinfo, u8 *sq_shift,
444 			    u8 *rq_shift);
445 int irdma_uk_calc_depth_shift_sq(struct irdma_qp_uk_init_info *ukinfo,
446 				 u32 *sq_depth, u8 *sq_shift);
447 int irdma_uk_calc_depth_shift_rq(struct irdma_qp_uk_init_info *ukinfo,
448 				 u32 *rq_depth, u8 *rq_shift);
449 struct irdma_sq_uk_wr_trk_info {
450 	u64 wrid;
451 	u32 wr_len;
452 	u16 quanta;
453 	u8 signaled;
454 	u8 reserved[1];
455 };
456 
457 struct irdma_qp_quanta {
458 	__le64 elem[IRDMA_WQE_SIZE];
459 };
460 
461 struct irdma_qp_uk {
462 	struct irdma_qp_quanta *sq_base;
463 	struct irdma_qp_quanta *rq_base;
464 	struct irdma_uk_attrs *uk_attrs;
465 	u32 IOMEM *wqe_alloc_db;
466 	struct irdma_sq_uk_wr_trk_info *sq_wrtrk_array;
467 	struct irdma_sig_wr_trk_info *sq_sigwrtrk_array;
468 	u64 *rq_wrid_array;
469 	__le64 *shadow_area;
470 	__le32 *push_db;
471 	__le64 *push_wqe;
472 	struct irdma_ring sq_ring;
473 	struct irdma_ring sq_sig_ring;
474 	struct irdma_ring rq_ring;
475 	struct irdma_ring initial_ring;
476 	u32 qp_id;
477 	u32 qp_caps;
478 	u32 sq_size;
479 	u32 rq_size;
480 	u32 max_sq_frag_cnt;
481 	u32 max_rq_frag_cnt;
482 	u32 max_inline_data;
483 	u32 last_rx_cmpl_idx;
484 	u32 last_tx_cmpl_idx;
485 	struct irdma_wqe_uk_ops wqe_ops;
486 	u16 conn_wqes;
487 	u8 qp_type;
488 	u8 swqe_polarity;
489 	u8 swqe_polarity_deferred;
490 	u8 rwqe_polarity;
491 	u8 rq_wqe_size;
492 	u8 rq_wqe_size_multiplier;
493 	bool deferred_flag:1;
494 	bool push_mode:1; /* whether the last post wqe was pushed */
495 	bool push_dropped:1;
496 	bool first_sq_wq:1;
497 	bool sq_flush_complete:1; /* Indicates flush was seen and SQ was empty after the flush */
498 	bool rq_flush_complete:1; /* Indicates flush was seen and RQ was empty after the flush */
499 	bool destroy_pending:1; /* Indicates the QP is being destroyed */
500 	void *back_qp;
501 	spinlock_t *lock;
502 	u8 dbg_rq_flushed;
503 	u16 ord_cnt;
504 	u8 sq_flush_seen;
505 	u8 rq_flush_seen;
506 	u8 rd_fence_rate;
507 };
508 
509 struct irdma_cq_uk {
510 	struct irdma_cqe *cq_base;
511 	u32 IOMEM *cqe_alloc_db;
512 	u32 IOMEM *cq_ack_db;
513 	__le64 *shadow_area;
514 	u32 cq_id;
515 	u32 cq_size;
516 	struct irdma_ring cq_ring;
517 	u8 polarity;
518 	bool avoid_mem_cflct:1;
519 };
520 
521 struct irdma_qp_uk_init_info {
522 	struct irdma_qp_quanta *sq;
523 	struct irdma_qp_quanta *rq;
524 	struct irdma_uk_attrs *uk_attrs;
525 	u32 IOMEM *wqe_alloc_db;
526 	__le64 *shadow_area;
527 	struct irdma_sq_uk_wr_trk_info *sq_wrtrk_array;
528 	struct irdma_sig_wr_trk_info *sq_sigwrtrk_array;
529 	u64 *rq_wrid_array;
530 	u32 qp_id;
531 	u32 qp_caps;
532 	u32 sq_size;
533 	u32 rq_size;
534 	u32 max_sq_frag_cnt;
535 	u32 max_rq_frag_cnt;
536 	u32 max_inline_data;
537 	u32 sq_depth;
538 	u32 rq_depth;
539 	u8 first_sq_wq;
540 	u8 type;
541 	u8 sq_shift;
542 	u8 rq_shift;
543 	u8 rd_fence_rate;
544 	int abi_ver;
545 	bool legacy_mode;
546 };
547 
548 struct irdma_cq_uk_init_info {
549 	u32 IOMEM *cqe_alloc_db;
550 	u32 IOMEM *cq_ack_db;
551 	struct irdma_cqe *cq_base;
552 	__le64 *shadow_area;
553 	u32 cq_size;
554 	u32 cq_id;
555 	bool avoid_mem_cflct;
556 };
557 
558 __le64 *irdma_qp_get_next_send_wqe(struct irdma_qp_uk *qp, u32 *wqe_idx,
559 				   u16 *quanta, u32 total_size,
560 				   struct irdma_post_sq_info *info);
561 __le64 *irdma_qp_get_next_recv_wqe(struct irdma_qp_uk *qp, u32 *wqe_idx);
562 int irdma_uk_clean_cq(void *q, struct irdma_cq_uk *cq);
563 int irdma_nop(struct irdma_qp_uk *qp, u64 wr_id, bool signaled, bool post_sq);
564 int irdma_fragcnt_to_quanta_sq(u32 frag_cnt, u16 *quanta);
565 int irdma_fragcnt_to_wqesize_rq(u32 frag_cnt, u16 *wqe_size);
566 void irdma_get_wqe_shift(struct irdma_uk_attrs *uk_attrs, u32 sge,
567 			 u32 inline_data, u8 *shift);
568 int irdma_get_sqdepth(struct irdma_uk_attrs *uk_attrs, u32 sq_size, u8 shift, u32 *sqdepth);
569 int irdma_get_rqdepth(struct irdma_uk_attrs *uk_attrs, u32 rq_size, u8 shift, u32 *rqdepth);
570 void irdma_qp_push_wqe(struct irdma_qp_uk *qp, __le64 *wqe, u16 quanta,
571 		       u32 wqe_idx, bool post_sq);
572 void irdma_clr_wqes(struct irdma_qp_uk *qp, u32 qp_wqe_idx);
573 
574 static inline struct qp_err_code irdma_ae_to_qp_err_code(u16 ae_id)
575 {
576 	struct qp_err_code qp_err = { 0 };
577 
578 	switch (ae_id) {
579 	case IRDMA_AE_AMP_BOUNDS_VIOLATION:
580 	case IRDMA_AE_AMP_INVALID_STAG:
581 	case IRDMA_AE_AMP_RIGHTS_VIOLATION:
582 	case IRDMA_AE_AMP_UNALLOCATED_STAG:
583 	case IRDMA_AE_AMP_BAD_PD:
584 	case IRDMA_AE_AMP_BAD_QP:
585 	case IRDMA_AE_AMP_BAD_STAG_KEY:
586 	case IRDMA_AE_AMP_BAD_STAG_INDEX:
587 	case IRDMA_AE_AMP_TO_WRAP:
588 	case IRDMA_AE_PRIV_OPERATION_DENIED:
589 		qp_err.flush_code = FLUSH_PROT_ERR;
590 		qp_err.event_type = IRDMA_QP_EVENT_ACCESS_ERR;
591 		break;
592 	case IRDMA_AE_UDA_XMIT_BAD_PD:
593 	case IRDMA_AE_WQE_UNEXPECTED_OPCODE:
594 		qp_err.flush_code = FLUSH_LOC_QP_OP_ERR;
595 		qp_err.event_type = IRDMA_QP_EVENT_CATASTROPHIC;
596 		break;
597 	case IRDMA_AE_UDA_XMIT_DGRAM_TOO_SHORT:
598 	case IRDMA_AE_UDA_XMIT_DGRAM_TOO_LONG:
599 	case IRDMA_AE_UDA_L4LEN_INVALID:
600 	case IRDMA_AE_DDP_UBE_INVALID_MO:
601 	case IRDMA_AE_DDP_UBE_DDP_MESSAGE_TOO_LONG_FOR_AVAILABLE_BUFFER:
602 		qp_err.flush_code = FLUSH_LOC_LEN_ERR;
603 		qp_err.event_type = IRDMA_QP_EVENT_CATASTROPHIC;
604 		break;
605 	case IRDMA_AE_AMP_INVALIDATE_NO_REMOTE_ACCESS_RIGHTS:
606 	case IRDMA_AE_IB_REMOTE_ACCESS_ERROR:
607 		qp_err.flush_code = FLUSH_REM_ACCESS_ERR;
608 		qp_err.event_type = IRDMA_QP_EVENT_ACCESS_ERR;
609 		break;
610 	case IRDMA_AE_AMP_MWBIND_INVALID_RIGHTS:
611 	case IRDMA_AE_AMP_MWBIND_BIND_DISABLED:
612 	case IRDMA_AE_AMP_MWBIND_INVALID_BOUNDS:
613 	case IRDMA_AE_AMP_MWBIND_VALID_STAG:
614 		qp_err.flush_code = FLUSH_MW_BIND_ERR;
615 		qp_err.event_type = IRDMA_QP_EVENT_ACCESS_ERR;
616 		break;
617 	case IRDMA_AE_LLP_TOO_MANY_RETRIES:
618 		qp_err.flush_code = FLUSH_RETRY_EXC_ERR;
619 		qp_err.event_type = IRDMA_QP_EVENT_CATASTROPHIC;
620 		break;
621 	case IRDMA_AE_IB_INVALID_REQUEST:
622 		qp_err.flush_code = FLUSH_REM_INV_REQ_ERR;
623 		qp_err.event_type = IRDMA_QP_EVENT_REQ_ERR;
624 		break;
625 	case IRDMA_AE_LLP_SEGMENT_TOO_SMALL:
626 	case IRDMA_AE_LLP_RECEIVED_MPA_CRC_ERROR:
627 	case IRDMA_AE_ROCE_RSP_LENGTH_ERROR:
628 	case IRDMA_AE_IB_REMOTE_OP_ERROR:
629 		qp_err.flush_code = FLUSH_REM_OP_ERR;
630 		qp_err.event_type = IRDMA_QP_EVENT_CATASTROPHIC;
631 		break;
632 	case IRDMA_AE_LCE_QP_CATASTROPHIC:
633 		qp_err.flush_code = FLUSH_FATAL_ERR;
634 		qp_err.event_type = IRDMA_QP_EVENT_CATASTROPHIC;
635 		break;
636 	default:
637 		qp_err.flush_code = FLUSH_GENERAL_ERR;
638 		qp_err.event_type = IRDMA_QP_EVENT_CATASTROPHIC;
639 		break;
640 	}
641 
642 	return qp_err;
643 }
644 #endif /* IRDMA_USER_H */
645