]> git.proxmox.com Git - mirror_ubuntu-bionic-kernel.git/blame - include/linux/mlx5/qp.h
IB/mlx5: Add support for resize CQ
[mirror_ubuntu-bionic-kernel.git] / include / linux / mlx5 / qp.h
CommitLineData
e126ba97
EC
1/*
2 * Copyright (c) 2013, Mellanox Technologies inc. All rights reserved.
3 *
4 * This software is available to you under a choice of one of two
5 * licenses. You may choose to be licensed under the terms of the GNU
6 * General Public License (GPL) Version 2, available from the file
7 * COPYING in the main directory of this source tree, or the
8 * OpenIB.org BSD license below:
9 *
10 * Redistribution and use in source and binary forms, with or
11 * without modification, are permitted provided that the following
12 * conditions are met:
13 *
14 * - Redistributions of source code must retain the above
15 * copyright notice, this list of conditions and the following
16 * disclaimer.
17 *
18 * - Redistributions in binary form must reproduce the above
19 * copyright notice, this list of conditions and the following
20 * disclaimer in the documentation and/or other materials
21 * provided with the distribution.
22 *
23 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
24 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
25 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
26 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
27 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
28 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
29 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
30 * SOFTWARE.
31 */
32
33#ifndef MLX5_QP_H
34#define MLX5_QP_H
35
36#include <linux/mlx5/device.h>
37#include <linux/mlx5/driver.h>
38
39#define MLX5_INVALID_LKEY 0x100
40
41enum mlx5_qp_optpar {
42 MLX5_QP_OPTPAR_ALT_ADDR_PATH = 1 << 0,
43 MLX5_QP_OPTPAR_RRE = 1 << 1,
44 MLX5_QP_OPTPAR_RAE = 1 << 2,
45 MLX5_QP_OPTPAR_RWE = 1 << 3,
46 MLX5_QP_OPTPAR_PKEY_INDEX = 1 << 4,
47 MLX5_QP_OPTPAR_Q_KEY = 1 << 5,
48 MLX5_QP_OPTPAR_RNR_TIMEOUT = 1 << 6,
49 MLX5_QP_OPTPAR_PRIMARY_ADDR_PATH = 1 << 7,
50 MLX5_QP_OPTPAR_SRA_MAX = 1 << 8,
51 MLX5_QP_OPTPAR_RRA_MAX = 1 << 9,
52 MLX5_QP_OPTPAR_PM_STATE = 1 << 10,
53 MLX5_QP_OPTPAR_RETRY_COUNT = 1 << 12,
54 MLX5_QP_OPTPAR_RNR_RETRY = 1 << 13,
55 MLX5_QP_OPTPAR_ACK_TIMEOUT = 1 << 14,
56 MLX5_QP_OPTPAR_PRI_PORT = 1 << 16,
57 MLX5_QP_OPTPAR_SRQN = 1 << 18,
58 MLX5_QP_OPTPAR_CQN_RCV = 1 << 19,
59 MLX5_QP_OPTPAR_DC_HS = 1 << 20,
60 MLX5_QP_OPTPAR_DC_KEY = 1 << 21,
61};
62
63enum mlx5_qp_state {
64 MLX5_QP_STATE_RST = 0,
65 MLX5_QP_STATE_INIT = 1,
66 MLX5_QP_STATE_RTR = 2,
67 MLX5_QP_STATE_RTS = 3,
68 MLX5_QP_STATE_SQER = 4,
69 MLX5_QP_STATE_SQD = 5,
70 MLX5_QP_STATE_ERR = 6,
71 MLX5_QP_STATE_SQ_DRAINING = 7,
72 MLX5_QP_STATE_SUSPENDED = 9,
73 MLX5_QP_NUM_STATE
74};
75
76enum {
77 MLX5_QP_ST_RC = 0x0,
78 MLX5_QP_ST_UC = 0x1,
79 MLX5_QP_ST_UD = 0x2,
80 MLX5_QP_ST_XRC = 0x3,
81 MLX5_QP_ST_MLX = 0x4,
82 MLX5_QP_ST_DCI = 0x5,
83 MLX5_QP_ST_DCT = 0x6,
84 MLX5_QP_ST_QP0 = 0x7,
85 MLX5_QP_ST_QP1 = 0x8,
86 MLX5_QP_ST_RAW_ETHERTYPE = 0x9,
87 MLX5_QP_ST_RAW_IPV6 = 0xa,
88 MLX5_QP_ST_SNIFFER = 0xb,
89 MLX5_QP_ST_SYNC_UMR = 0xe,
90 MLX5_QP_ST_PTP_1588 = 0xd,
91 MLX5_QP_ST_REG_UMR = 0xc,
92 MLX5_QP_ST_MAX
93};
94
95enum {
96 MLX5_QP_PM_MIGRATED = 0x3,
97 MLX5_QP_PM_ARMED = 0x0,
98 MLX5_QP_PM_REARM = 0x1
99};
100
101enum {
102 MLX5_NON_ZERO_RQ = 0 << 24,
103 MLX5_SRQ_RQ = 1 << 24,
104 MLX5_CRQ_RQ = 2 << 24,
105 MLX5_ZERO_LEN_RQ = 3 << 24
106};
107
108enum {
109 /* params1 */
110 MLX5_QP_BIT_SRE = 1 << 15,
111 MLX5_QP_BIT_SWE = 1 << 14,
112 MLX5_QP_BIT_SAE = 1 << 13,
113 /* params2 */
114 MLX5_QP_BIT_RRE = 1 << 15,
115 MLX5_QP_BIT_RWE = 1 << 14,
116 MLX5_QP_BIT_RAE = 1 << 13,
117 MLX5_QP_BIT_RIC = 1 << 4,
118};
119
120enum {
121 MLX5_WQE_CTRL_CQ_UPDATE = 2 << 2,
122 MLX5_WQE_CTRL_SOLICITED = 1 << 1,
123};
124
125enum {
126 MLX5_SEND_WQE_BB = 64,
127};
128
129enum {
130 MLX5_WQE_FMR_PERM_LOCAL_READ = 1 << 27,
131 MLX5_WQE_FMR_PERM_LOCAL_WRITE = 1 << 28,
132 MLX5_WQE_FMR_PERM_REMOTE_READ = 1 << 29,
133 MLX5_WQE_FMR_PERM_REMOTE_WRITE = 1 << 30,
134 MLX5_WQE_FMR_PERM_ATOMIC = 1 << 31
135};
136
137enum {
138 MLX5_FENCE_MODE_NONE = 0 << 5,
139 MLX5_FENCE_MODE_INITIATOR_SMALL = 1 << 5,
140 MLX5_FENCE_MODE_STRONG_ORDERING = 3 << 5,
141 MLX5_FENCE_MODE_SMALL_AND_FENCE = 4 << 5,
142};
143
144enum {
145 MLX5_QP_LAT_SENSITIVE = 1 << 28,
146 MLX5_QP_ENABLE_SIG = 1 << 31,
147};
148
149enum {
150 MLX5_RCV_DBR = 0,
151 MLX5_SND_DBR = 1,
152};
153
154struct mlx5_wqe_fmr_seg {
155 __be32 flags;
156 __be32 mem_key;
157 __be64 buf_list;
158 __be64 start_addr;
159 __be64 reg_len;
160 __be32 offset;
161 __be32 page_size;
162 u32 reserved[2];
163};
164
165struct mlx5_wqe_ctrl_seg {
166 __be32 opmod_idx_opcode;
167 __be32 qpn_ds;
168 u8 signature;
169 u8 rsvd[2];
170 u8 fm_ce_se;
171 __be32 imm;
172};
173
174struct mlx5_wqe_xrc_seg {
175 __be32 xrc_srqn;
176 u8 rsvd[12];
177};
178
179struct mlx5_wqe_masked_atomic_seg {
180 __be64 swap_add;
181 __be64 compare;
182 __be64 swap_add_mask;
183 __be64 compare_mask;
184};
185
186struct mlx5_av {
187 union {
188 struct {
189 __be32 qkey;
190 __be32 reserved;
191 } qkey;
192 __be64 dc_key;
193 } key;
194 __be32 dqp_dct;
195 u8 stat_rate_sl;
196 u8 fl_mlid;
197 __be16 rlid;
198 u8 reserved0[10];
199 u8 tclass;
200 u8 hop_limit;
201 __be32 grh_gid_fl;
202 u8 rgid[16];
203};
204
205struct mlx5_wqe_datagram_seg {
206 struct mlx5_av av;
207};
208
209struct mlx5_wqe_raddr_seg {
210 __be64 raddr;
211 __be32 rkey;
212 u32 reserved;
213};
214
215struct mlx5_wqe_atomic_seg {
216 __be64 swap_add;
217 __be64 compare;
218};
219
220struct mlx5_wqe_data_seg {
221 __be32 byte_count;
222 __be32 lkey;
223 __be64 addr;
224};
225
226struct mlx5_wqe_umr_ctrl_seg {
227 u8 flags;
228 u8 rsvd0[3];
229 __be16 klm_octowords;
230 __be16 bsf_octowords;
231 __be64 mkey_mask;
232 u8 rsvd1[32];
233};
234
235struct mlx5_seg_set_psv {
236 __be32 psv_num;
237 __be16 syndrome;
238 __be16 status;
239 __be32 transient_sig;
240 __be32 ref_tag;
241};
242
243struct mlx5_seg_get_psv {
244 u8 rsvd[19];
245 u8 num_psv;
246 __be32 l_key;
247 __be64 va;
248 __be32 psv_index[4];
249};
250
251struct mlx5_seg_check_psv {
252 u8 rsvd0[2];
253 __be16 err_coalescing_op;
254 u8 rsvd1[2];
255 __be16 xport_err_op;
256 u8 rsvd2[2];
257 __be16 xport_err_mask;
258 u8 rsvd3[7];
259 u8 num_psv;
260 __be32 l_key;
261 __be64 va;
262 __be32 psv_index[4];
263};
264
265struct mlx5_rwqe_sig {
266 u8 rsvd0[4];
267 u8 signature;
268 u8 rsvd1[11];
269};
270
271struct mlx5_wqe_signature_seg {
272 u8 rsvd0[4];
273 u8 signature;
274 u8 rsvd1[11];
275};
276
277struct mlx5_wqe_inline_seg {
278 __be32 byte_count;
279};
280
281struct mlx5_core_qp {
282 void (*event) (struct mlx5_core_qp *, int);
283 int qpn;
284 atomic_t refcount;
285 struct completion free;
286 struct mlx5_rsc_debug *dbg;
287 int pid;
288};
289
290struct mlx5_qp_path {
291 u8 fl;
292 u8 rsvd3;
293 u8 free_ar;
294 u8 pkey_index;
295 u8 rsvd0;
296 u8 grh_mlid;
297 __be16 rlid;
298 u8 ackto_lt;
299 u8 mgid_index;
300 u8 static_rate;
301 u8 hop_limit;
302 __be32 tclass_flowlabel;
303 u8 rgid[16];
304 u8 rsvd1[4];
305 u8 sl;
306 u8 port;
307 u8 rsvd2[6];
308};
309
310struct mlx5_qp_context {
311 __be32 flags;
312 __be32 flags_pd;
313 u8 mtu_msgmax;
314 u8 rq_size_stride;
315 __be16 sq_crq_size;
316 __be32 qp_counter_set_usr_page;
317 __be32 wire_qpn;
318 __be32 log_pg_sz_remote_qpn;
319 struct mlx5_qp_path pri_path;
320 struct mlx5_qp_path alt_path;
321 __be32 params1;
322 u8 reserved2[4];
323 __be32 next_send_psn;
324 __be32 cqn_send;
325 u8 reserved3[8];
326 __be32 last_acked_psn;
327 __be32 ssn;
328 __be32 params2;
329 __be32 rnr_nextrecvpsn;
330 __be32 xrcd;
331 __be32 cqn_recv;
332 __be64 db_rec_addr;
333 __be32 qkey;
334 __be32 rq_type_srqn;
335 __be32 rmsn;
336 __be16 hw_sq_wqe_counter;
337 __be16 sw_sq_wqe_counter;
338 __be16 hw_rcyclic_byte_counter;
339 __be16 hw_rq_counter;
340 __be16 sw_rcyclic_byte_counter;
341 __be16 sw_rq_counter;
342 u8 rsvd0[5];
343 u8 cgs;
344 u8 cs_req;
345 u8 cs_res;
346 __be64 dc_access_key;
347 u8 rsvd1[24];
348};
349
350struct mlx5_create_qp_mbox_in {
351 struct mlx5_inbox_hdr hdr;
352 __be32 input_qpn;
353 u8 rsvd0[4];
354 __be32 opt_param_mask;
355 u8 rsvd1[4];
356 struct mlx5_qp_context ctx;
357 u8 rsvd3[16];
358 __be64 pas[0];
359};
360
361struct mlx5_create_qp_mbox_out {
362 struct mlx5_outbox_hdr hdr;
363 __be32 qpn;
364 u8 rsvd0[4];
365};
366
367struct mlx5_destroy_qp_mbox_in {
368 struct mlx5_inbox_hdr hdr;
369 __be32 qpn;
370 u8 rsvd0[4];
371};
372
373struct mlx5_destroy_qp_mbox_out {
374 struct mlx5_outbox_hdr hdr;
375 u8 rsvd0[8];
376};
377
378struct mlx5_modify_qp_mbox_in {
379 struct mlx5_inbox_hdr hdr;
380 __be32 qpn;
381 u8 rsvd1[4];
382 __be32 optparam;
383 u8 rsvd0[4];
384 struct mlx5_qp_context ctx;
385};
386
387struct mlx5_modify_qp_mbox_out {
388 struct mlx5_outbox_hdr hdr;
389 u8 rsvd0[8];
390};
391
392struct mlx5_query_qp_mbox_in {
393 struct mlx5_inbox_hdr hdr;
394 __be32 qpn;
395 u8 rsvd[4];
396};
397
398struct mlx5_query_qp_mbox_out {
399 struct mlx5_outbox_hdr hdr;
400 u8 rsvd1[8];
401 __be32 optparam;
402 u8 rsvd0[4];
403 struct mlx5_qp_context ctx;
404 u8 rsvd2[16];
405 __be64 pas[0];
406};
407
408struct mlx5_conf_sqp_mbox_in {
409 struct mlx5_inbox_hdr hdr;
410 __be32 qpn;
411 u8 rsvd[3];
412 u8 type;
413};
414
415struct mlx5_conf_sqp_mbox_out {
416 struct mlx5_outbox_hdr hdr;
417 u8 rsvd[8];
418};
419
420struct mlx5_alloc_xrcd_mbox_in {
421 struct mlx5_inbox_hdr hdr;
422 u8 rsvd[8];
423};
424
425struct mlx5_alloc_xrcd_mbox_out {
426 struct mlx5_outbox_hdr hdr;
427 __be32 xrcdn;
428 u8 rsvd[4];
429};
430
431struct mlx5_dealloc_xrcd_mbox_in {
432 struct mlx5_inbox_hdr hdr;
433 __be32 xrcdn;
434 u8 rsvd[4];
435};
436
437struct mlx5_dealloc_xrcd_mbox_out {
438 struct mlx5_outbox_hdr hdr;
439 u8 rsvd[8];
440};
441
442static inline struct mlx5_core_qp *__mlx5_qp_lookup(struct mlx5_core_dev *dev, u32 qpn)
443{
444 return radix_tree_lookup(&dev->priv.qp_table.tree, qpn);
445}
446
447int mlx5_core_create_qp(struct mlx5_core_dev *dev,
448 struct mlx5_core_qp *qp,
449 struct mlx5_create_qp_mbox_in *in,
450 int inlen);
451int mlx5_core_qp_modify(struct mlx5_core_dev *dev, enum mlx5_qp_state cur_state,
452 enum mlx5_qp_state new_state,
453 struct mlx5_modify_qp_mbox_in *in, int sqd_event,
454 struct mlx5_core_qp *qp);
455int mlx5_core_destroy_qp(struct mlx5_core_dev *dev,
456 struct mlx5_core_qp *qp);
457int mlx5_core_qp_query(struct mlx5_core_dev *dev, struct mlx5_core_qp *qp,
458 struct mlx5_query_qp_mbox_out *out, int outlen);
459
460int mlx5_core_xrcd_alloc(struct mlx5_core_dev *dev, u32 *xrcdn);
461int mlx5_core_xrcd_dealloc(struct mlx5_core_dev *dev, u32 xrcdn);
462void mlx5_init_qp_table(struct mlx5_core_dev *dev);
463void mlx5_cleanup_qp_table(struct mlx5_core_dev *dev);
464int mlx5_debug_qp_add(struct mlx5_core_dev *dev, struct mlx5_core_qp *qp);
465void mlx5_debug_qp_remove(struct mlx5_core_dev *dev, struct mlx5_core_qp *qp);
466
467#endif /* MLX5_QP_H */