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1 /*
2  * Copyright (c) 2013-2015, Mellanox Technologies. 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 #define MLX5_SIG_WQE_SIZE       (MLX5_SEND_WQE_BB * 5)
41 #define MLX5_DIF_SIZE           8
42 #define MLX5_STRIDE_BLOCK_OP    0x400
43 #define MLX5_CPY_GRD_MASK       0xc0
44 #define MLX5_CPY_APP_MASK       0x30
45 #define MLX5_CPY_REF_MASK       0x0f
46 #define MLX5_BSF_INC_REFTAG     (1 << 6)
47 #define MLX5_BSF_INL_VALID      (1 << 15)
48 #define MLX5_BSF_REFRESH_DIF    (1 << 14)
49 #define MLX5_BSF_REPEAT_BLOCK   (1 << 7)
50 #define MLX5_BSF_APPTAG_ESCAPE  0x1
51 #define MLX5_BSF_APPREF_ESCAPE  0x2
52
53 enum mlx5_qp_optpar {
54         MLX5_QP_OPTPAR_ALT_ADDR_PATH            = 1 << 0,
55         MLX5_QP_OPTPAR_RRE                      = 1 << 1,
56         MLX5_QP_OPTPAR_RAE                      = 1 << 2,
57         MLX5_QP_OPTPAR_RWE                      = 1 << 3,
58         MLX5_QP_OPTPAR_PKEY_INDEX               = 1 << 4,
59         MLX5_QP_OPTPAR_Q_KEY                    = 1 << 5,
60         MLX5_QP_OPTPAR_RNR_TIMEOUT              = 1 << 6,
61         MLX5_QP_OPTPAR_PRIMARY_ADDR_PATH        = 1 << 7,
62         MLX5_QP_OPTPAR_SRA_MAX                  = 1 << 8,
63         MLX5_QP_OPTPAR_RRA_MAX                  = 1 << 9,
64         MLX5_QP_OPTPAR_PM_STATE                 = 1 << 10,
65         MLX5_QP_OPTPAR_RETRY_COUNT              = 1 << 12,
66         MLX5_QP_OPTPAR_RNR_RETRY                = 1 << 13,
67         MLX5_QP_OPTPAR_ACK_TIMEOUT              = 1 << 14,
68         MLX5_QP_OPTPAR_PRI_PORT                 = 1 << 16,
69         MLX5_QP_OPTPAR_SRQN                     = 1 << 18,
70         MLX5_QP_OPTPAR_CQN_RCV                  = 1 << 19,
71         MLX5_QP_OPTPAR_DC_HS                    = 1 << 20,
72         MLX5_QP_OPTPAR_DC_KEY                   = 1 << 21,
73 };
74
75 enum mlx5_qp_state {
76         MLX5_QP_STATE_RST                       = 0,
77         MLX5_QP_STATE_INIT                      = 1,
78         MLX5_QP_STATE_RTR                       = 2,
79         MLX5_QP_STATE_RTS                       = 3,
80         MLX5_QP_STATE_SQER                      = 4,
81         MLX5_QP_STATE_SQD                       = 5,
82         MLX5_QP_STATE_ERR                       = 6,
83         MLX5_QP_STATE_SQ_DRAINING               = 7,
84         MLX5_QP_STATE_SUSPENDED                 = 9,
85         MLX5_QP_NUM_STATE,
86         MLX5_QP_STATE,
87         MLX5_QP_STATE_BAD,
88 };
89
90 enum {
91         MLX5_SQ_STATE_NA        = MLX5_SQC_STATE_ERR + 1,
92         MLX5_SQ_NUM_STATE       = MLX5_SQ_STATE_NA + 1,
93         MLX5_RQ_STATE_NA        = MLX5_RQC_STATE_ERR + 1,
94         MLX5_RQ_NUM_STATE       = MLX5_RQ_STATE_NA + 1,
95 };
96
97 enum {
98         MLX5_QP_ST_RC                           = 0x0,
99         MLX5_QP_ST_UC                           = 0x1,
100         MLX5_QP_ST_UD                           = 0x2,
101         MLX5_QP_ST_XRC                          = 0x3,
102         MLX5_QP_ST_MLX                          = 0x4,
103         MLX5_QP_ST_DCI                          = 0x5,
104         MLX5_QP_ST_DCT                          = 0x6,
105         MLX5_QP_ST_QP0                          = 0x7,
106         MLX5_QP_ST_QP1                          = 0x8,
107         MLX5_QP_ST_RAW_ETHERTYPE                = 0x9,
108         MLX5_QP_ST_RAW_IPV6                     = 0xa,
109         MLX5_QP_ST_SNIFFER                      = 0xb,
110         MLX5_QP_ST_SYNC_UMR                     = 0xe,
111         MLX5_QP_ST_PTP_1588                     = 0xd,
112         MLX5_QP_ST_REG_UMR                      = 0xc,
113         MLX5_QP_ST_MAX
114 };
115
116 enum {
117         MLX5_QP_PM_MIGRATED                     = 0x3,
118         MLX5_QP_PM_ARMED                        = 0x0,
119         MLX5_QP_PM_REARM                        = 0x1
120 };
121
122 enum {
123         MLX5_NON_ZERO_RQ        = 0x0,
124         MLX5_SRQ_RQ             = 0x1,
125         MLX5_CRQ_RQ             = 0x2,
126         MLX5_ZERO_LEN_RQ        = 0x3
127 };
128
129 /* TODO REM */
130 enum {
131         /* params1 */
132         MLX5_QP_BIT_SRE                         = 1 << 15,
133         MLX5_QP_BIT_SWE                         = 1 << 14,
134         MLX5_QP_BIT_SAE                         = 1 << 13,
135         /* params2 */
136         MLX5_QP_BIT_RRE                         = 1 << 15,
137         MLX5_QP_BIT_RWE                         = 1 << 14,
138         MLX5_QP_BIT_RAE                         = 1 << 13,
139         MLX5_QP_BIT_RIC                         = 1 <<  4,
140         MLX5_QP_BIT_CC_SLAVE_RECV               = 1 <<  2,
141         MLX5_QP_BIT_CC_SLAVE_SEND               = 1 <<  1,
142         MLX5_QP_BIT_CC_MASTER                   = 1 <<  0
143 };
144
145 enum {
146         MLX5_WQE_CTRL_CQ_UPDATE         = 2 << 2,
147         MLX5_WQE_CTRL_CQ_UPDATE_AND_EQE = 3 << 2,
148         MLX5_WQE_CTRL_SOLICITED         = 1 << 1,
149 };
150
151 enum {
152         MLX5_SEND_WQE_DS        = 16,
153         MLX5_SEND_WQE_BB        = 64,
154 };
155
156 #define MLX5_SEND_WQEBB_NUM_DS  (MLX5_SEND_WQE_BB / MLX5_SEND_WQE_DS)
157
158 enum {
159         MLX5_SEND_WQE_MAX_WQEBBS        = 16,
160 };
161
162 enum {
163         MLX5_WQE_FMR_PERM_LOCAL_READ    = 1 << 27,
164         MLX5_WQE_FMR_PERM_LOCAL_WRITE   = 1 << 28,
165         MLX5_WQE_FMR_PERM_REMOTE_READ   = 1 << 29,
166         MLX5_WQE_FMR_PERM_REMOTE_WRITE  = 1 << 30,
167         MLX5_WQE_FMR_PERM_ATOMIC        = 1 << 31
168 };
169
170 enum {
171         MLX5_FENCE_MODE_NONE                    = 0 << 5,
172         MLX5_FENCE_MODE_INITIATOR_SMALL         = 1 << 5,
173         MLX5_FENCE_MODE_FENCE                   = 2 << 5,
174         MLX5_FENCE_MODE_STRONG_ORDERING         = 3 << 5,
175         MLX5_FENCE_MODE_SMALL_AND_FENCE         = 4 << 5,
176 };
177
178 enum {
179         MLX5_RCV_DBR    = 0,
180         MLX5_SND_DBR    = 1,
181 };
182
183 enum {
184         MLX5_FLAGS_INLINE       = 1<<7,
185         MLX5_FLAGS_CHECK_FREE   = 1<<5,
186 };
187
188 struct mlx5_wqe_fmr_seg {
189         __be32                  flags;
190         __be32                  mem_key;
191         __be64                  buf_list;
192         __be64                  start_addr;
193         __be64                  reg_len;
194         __be32                  offset;
195         __be32                  page_size;
196         u32                     reserved[2];
197 };
198
199 struct mlx5_wqe_ctrl_seg {
200         __be32                  opmod_idx_opcode;
201         __be32                  qpn_ds;
202         u8                      signature;
203         u8                      rsvd[2];
204         u8                      fm_ce_se;
205         __be32                  imm;
206 };
207
208 #define MLX5_WQE_CTRL_DS_MASK 0x3f
209 #define MLX5_WQE_CTRL_QPN_MASK 0xffffff00
210 #define MLX5_WQE_CTRL_QPN_SHIFT 8
211 #define MLX5_WQE_DS_UNITS 16
212 #define MLX5_WQE_CTRL_OPCODE_MASK 0xff
213 #define MLX5_WQE_CTRL_WQE_INDEX_MASK 0x00ffff00
214 #define MLX5_WQE_CTRL_WQE_INDEX_SHIFT 8
215
216 enum {
217         MLX5_ETH_WQE_L3_INNER_CSUM      = 1 << 4,
218         MLX5_ETH_WQE_L4_INNER_CSUM      = 1 << 5,
219         MLX5_ETH_WQE_L3_CSUM            = 1 << 6,
220         MLX5_ETH_WQE_L4_CSUM            = 1 << 7,
221 };
222
223 enum {
224         MLX5_ETH_WQE_INSERT_VLAN        = 1 << 15,
225 };
226
227 enum {
228         MLX5_ETH_WQE_SWP_INNER_L3_IPV6  = 1 << 0,
229         MLX5_ETH_WQE_SWP_INNER_L4_UDP   = 1 << 1,
230         MLX5_ETH_WQE_SWP_OUTER_L3_IPV6  = 1 << 4,
231         MLX5_ETH_WQE_SWP_OUTER_L4_UDP   = 1 << 5,
232 };
233
234 struct mlx5_wqe_eth_seg {
235         u8              swp_outer_l4_offset;
236         u8              swp_outer_l3_offset;
237         u8              swp_inner_l4_offset;
238         u8              swp_inner_l3_offset;
239         u8              cs_flags;
240         u8              swp_flags;
241         __be16          mss;
242         __be32          rsvd2;
243         union {
244                 struct {
245                         __be16 sz;
246                         u8     start[2];
247                 } inline_hdr;
248                 struct {
249                         __be16 type;
250                         __be16 vlan_tci;
251                 } insert;
252         };
253 };
254
255 struct mlx5_wqe_xrc_seg {
256         __be32                  xrc_srqn;
257         u8                      rsvd[12];
258 };
259
260 struct mlx5_wqe_masked_atomic_seg {
261         __be64                  swap_add;
262         __be64                  compare;
263         __be64                  swap_add_mask;
264         __be64                  compare_mask;
265 };
266
267 struct mlx5_base_av {
268         union {
269                 struct {
270                         __be32  qkey;
271                         __be32  reserved;
272                 } qkey;
273                 __be64  dc_key;
274         } key;
275         __be32  dqp_dct;
276         u8      stat_rate_sl;
277         u8      fl_mlid;
278         union {
279                 __be16  rlid;
280                 __be16  udp_sport;
281         };
282 };
283
284 struct mlx5_av {
285         union {
286                 struct {
287                         __be32  qkey;
288                         __be32  reserved;
289                 } qkey;
290                 __be64  dc_key;
291         } key;
292         __be32  dqp_dct;
293         u8      stat_rate_sl;
294         u8      fl_mlid;
295         union {
296                 __be16  rlid;
297                 __be16  udp_sport;
298         };
299         u8      reserved0[4];
300         u8      rmac[6];
301         u8      tclass;
302         u8      hop_limit;
303         __be32  grh_gid_fl;
304         u8      rgid[16];
305 };
306
307 struct mlx5_ib_ah {
308         struct ib_ah            ibah;
309         struct mlx5_av          av;
310 };
311
312 static inline struct mlx5_ib_ah *to_mah(struct ib_ah *ibah)
313 {
314         return container_of(ibah, struct mlx5_ib_ah, ibah);
315 }
316
317 struct mlx5_wqe_datagram_seg {
318         struct mlx5_av  av;
319 };
320
321 struct mlx5_wqe_raddr_seg {
322         __be64                  raddr;
323         __be32                  rkey;
324         u32                     reserved;
325 };
326
327 struct mlx5_wqe_atomic_seg {
328         __be64                  swap_add;
329         __be64                  compare;
330 };
331
332 struct mlx5_wqe_data_seg {
333         __be32                  byte_count;
334         __be32                  lkey;
335         __be64                  addr;
336 };
337
338 struct mlx5_wqe_umr_ctrl_seg {
339         u8              flags;
340         u8              rsvd0[3];
341         __be16          xlt_octowords;
342         union {
343                 __be16  xlt_offset;
344                 __be16  bsf_octowords;
345         };
346         __be64          mkey_mask;
347         __be32          xlt_offset_47_16;
348         u8              rsvd1[28];
349 };
350
351 struct mlx5_seg_set_psv {
352         __be32          psv_num;
353         __be16          syndrome;
354         __be16          status;
355         __be32          transient_sig;
356         __be32          ref_tag;
357 };
358
359 struct mlx5_seg_get_psv {
360         u8              rsvd[19];
361         u8              num_psv;
362         __be32          l_key;
363         __be64          va;
364         __be32          psv_index[4];
365 };
366
367 struct mlx5_seg_check_psv {
368         u8              rsvd0[2];
369         __be16          err_coalescing_op;
370         u8              rsvd1[2];
371         __be16          xport_err_op;
372         u8              rsvd2[2];
373         __be16          xport_err_mask;
374         u8              rsvd3[7];
375         u8              num_psv;
376         __be32          l_key;
377         __be64          va;
378         __be32          psv_index[4];
379 };
380
381 struct mlx5_rwqe_sig {
382         u8      rsvd0[4];
383         u8      signature;
384         u8      rsvd1[11];
385 };
386
387 struct mlx5_wqe_signature_seg {
388         u8      rsvd0[4];
389         u8      signature;
390         u8      rsvd1[11];
391 };
392
393 #define MLX5_WQE_INLINE_SEG_BYTE_COUNT_MASK 0x3ff
394
395 struct mlx5_wqe_inline_seg {
396         __be32  byte_count;
397 };
398
399 enum mlx5_sig_type {
400         MLX5_DIF_CRC = 0x1,
401         MLX5_DIF_IPCS = 0x2,
402 };
403
404 struct mlx5_bsf_inl {
405         __be16          vld_refresh;
406         __be16          dif_apptag;
407         __be32          dif_reftag;
408         u8              sig_type;
409         u8              rp_inv_seed;
410         u8              rsvd[3];
411         u8              dif_inc_ref_guard_check;
412         __be16          dif_app_bitmask_check;
413 };
414
415 struct mlx5_bsf {
416         struct mlx5_bsf_basic {
417                 u8              bsf_size_sbs;
418                 u8              check_byte_mask;
419                 union {
420                         u8      copy_byte_mask;
421                         u8      bs_selector;
422                         u8      rsvd_wflags;
423                 } wire;
424                 union {
425                         u8      bs_selector;
426                         u8      rsvd_mflags;
427                 } mem;
428                 __be32          raw_data_size;
429                 __be32          w_bfs_psv;
430                 __be32          m_bfs_psv;
431         } basic;
432         struct mlx5_bsf_ext {
433                 __be32          t_init_gen_pro_size;
434                 __be32          rsvd_epi_size;
435                 __be32          w_tfs_psv;
436                 __be32          m_tfs_psv;
437         } ext;
438         struct mlx5_bsf_inl     w_inl;
439         struct mlx5_bsf_inl     m_inl;
440 };
441
442 struct mlx5_mtt {
443         __be64          ptag;
444 };
445
446 struct mlx5_klm {
447         __be32          bcount;
448         __be32          key;
449         __be64          va;
450 };
451
452 struct mlx5_stride_block_entry {
453         __be16          stride;
454         __be16          bcount;
455         __be32          key;
456         __be64          va;
457 };
458
459 struct mlx5_stride_block_ctrl_seg {
460         __be32          bcount_per_cycle;
461         __be32          op;
462         __be32          repeat_count;
463         u16             rsvd;
464         __be16          num_entries;
465 };
466
467 struct mlx5_core_qp {
468         struct mlx5_core_rsc_common     common; /* must be first */
469         void (*event)           (struct mlx5_core_qp *, int);
470         int                     qpn;
471         struct mlx5_rsc_debug   *dbg;
472         int                     pid;
473 };
474
475 struct mlx5_qp_path {
476         u8                      fl_free_ar;
477         u8                      rsvd3;
478         __be16                  pkey_index;
479         u8                      rsvd0;
480         u8                      grh_mlid;
481         __be16                  rlid;
482         u8                      ackto_lt;
483         u8                      mgid_index;
484         u8                      static_rate;
485         u8                      hop_limit;
486         __be32                  tclass_flowlabel;
487         union {
488                 u8              rgid[16];
489                 u8              rip[16];
490         };
491         u8                      f_dscp_ecn_prio;
492         u8                      ecn_dscp;
493         __be16                  udp_sport;
494         u8                      dci_cfi_prio_sl;
495         u8                      port;
496         u8                      rmac[6];
497 };
498
499 /* FIXME: use mlx5_ifc.h qpc */
500 struct mlx5_qp_context {
501         __be32                  flags;
502         __be32                  flags_pd;
503         u8                      mtu_msgmax;
504         u8                      rq_size_stride;
505         __be16                  sq_crq_size;
506         __be32                  qp_counter_set_usr_page;
507         __be32                  wire_qpn;
508         __be32                  log_pg_sz_remote_qpn;
509         struct                  mlx5_qp_path pri_path;
510         struct                  mlx5_qp_path alt_path;
511         __be32                  params1;
512         u8                      reserved2[4];
513         __be32                  next_send_psn;
514         __be32                  cqn_send;
515         __be32                  deth_sqpn;
516         u8                      reserved3[4];
517         __be32                  last_acked_psn;
518         __be32                  ssn;
519         __be32                  params2;
520         __be32                  rnr_nextrecvpsn;
521         __be32                  xrcd;
522         __be32                  cqn_recv;
523         __be64                  db_rec_addr;
524         __be32                  qkey;
525         __be32                  rq_type_srqn;
526         __be32                  rmsn;
527         __be16                  hw_sq_wqe_counter;
528         __be16                  sw_sq_wqe_counter;
529         __be16                  hw_rcyclic_byte_counter;
530         __be16                  hw_rq_counter;
531         __be16                  sw_rcyclic_byte_counter;
532         __be16                  sw_rq_counter;
533         u8                      rsvd0[5];
534         u8                      cgs;
535         u8                      cs_req;
536         u8                      cs_res;
537         __be64                  dc_access_key;
538         u8                      rsvd1[24];
539 };
540
541 static inline struct mlx5_core_qp *__mlx5_qp_lookup(struct mlx5_core_dev *dev, u32 qpn)
542 {
543         return radix_tree_lookup(&dev->priv.qp_table.tree, qpn);
544 }
545
546 static inline struct mlx5_core_mkey *__mlx5_mr_lookup(struct mlx5_core_dev *dev, u32 key)
547 {
548         return radix_tree_lookup(&dev->priv.mkey_table.tree, key);
549 }
550
551 int mlx5_core_create_qp(struct mlx5_core_dev *dev,
552                         struct mlx5_core_qp *qp,
553                         u32 *in,
554                         int inlen);
555 int mlx5_core_qp_modify(struct mlx5_core_dev *dev, u16 opcode,
556                         u32 opt_param_mask, void *qpc,
557                         struct mlx5_core_qp *qp);
558 int mlx5_core_destroy_qp(struct mlx5_core_dev *dev,
559                          struct mlx5_core_qp *qp);
560 int mlx5_core_qp_query(struct mlx5_core_dev *dev, struct mlx5_core_qp *qp,
561                        u32 *out, int outlen);
562
563 int mlx5_core_xrcd_alloc(struct mlx5_core_dev *dev, u32 *xrcdn);
564 int mlx5_core_xrcd_dealloc(struct mlx5_core_dev *dev, u32 xrcdn);
565 void mlx5_init_qp_table(struct mlx5_core_dev *dev);
566 void mlx5_cleanup_qp_table(struct mlx5_core_dev *dev);
567 int mlx5_debug_qp_add(struct mlx5_core_dev *dev, struct mlx5_core_qp *qp);
568 void mlx5_debug_qp_remove(struct mlx5_core_dev *dev, struct mlx5_core_qp *qp);
569 int mlx5_core_create_rq_tracked(struct mlx5_core_dev *dev, u32 *in, int inlen,
570                                 struct mlx5_core_qp *rq);
571 void mlx5_core_destroy_rq_tracked(struct mlx5_core_dev *dev,
572                                   struct mlx5_core_qp *rq);
573 int mlx5_core_create_sq_tracked(struct mlx5_core_dev *dev, u32 *in, int inlen,
574                                 struct mlx5_core_qp *sq);
575 void mlx5_core_destroy_sq_tracked(struct mlx5_core_dev *dev,
576                                   struct mlx5_core_qp *sq);
577 int mlx5_core_alloc_q_counter(struct mlx5_core_dev *dev, u16 *counter_id);
578 int mlx5_core_dealloc_q_counter(struct mlx5_core_dev *dev, u16 counter_id);
579 int mlx5_core_query_q_counter(struct mlx5_core_dev *dev, u16 counter_id,
580                               int reset, void *out, int out_size);
581
582 static inline const char *mlx5_qp_type_str(int type)
583 {
584         switch (type) {
585         case MLX5_QP_ST_RC: return "RC";
586         case MLX5_QP_ST_UC: return "C";
587         case MLX5_QP_ST_UD: return "UD";
588         case MLX5_QP_ST_XRC: return "XRC";
589         case MLX5_QP_ST_MLX: return "MLX";
590         case MLX5_QP_ST_QP0: return "QP0";
591         case MLX5_QP_ST_QP1: return "QP1";
592         case MLX5_QP_ST_RAW_ETHERTYPE: return "RAW_ETHERTYPE";
593         case MLX5_QP_ST_RAW_IPV6: return "RAW_IPV6";
594         case MLX5_QP_ST_SNIFFER: return "SNIFFER";
595         case MLX5_QP_ST_SYNC_UMR: return "SYNC_UMR";
596         case MLX5_QP_ST_PTP_1588: return "PTP_1588";
597         case MLX5_QP_ST_REG_UMR: return "REG_UMR";
598         default: return "Invalid transport type";
599         }
600 }
601
602 static inline const char *mlx5_qp_state_str(int state)
603 {
604         switch (state) {
605         case MLX5_QP_STATE_RST:
606         return "RST";
607         case MLX5_QP_STATE_INIT:
608         return "INIT";
609         case MLX5_QP_STATE_RTR:
610         return "RTR";
611         case MLX5_QP_STATE_RTS:
612         return "RTS";
613         case MLX5_QP_STATE_SQER:
614         return "SQER";
615         case MLX5_QP_STATE_SQD:
616         return "SQD";
617         case MLX5_QP_STATE_ERR:
618         return "ERR";
619         case MLX5_QP_STATE_SQ_DRAINING:
620         return "SQ_DRAINING";
621         case MLX5_QP_STATE_SUSPENDED:
622         return "SUSPENDED";
623         default: return "Invalid QP state";
624         }
625 }
626
627 #endif /* MLX5_QP_H */