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mlx5: Fix cleanup flow when DMA mapping fails
[linux-2.6-block.git] / include / linux / mlx5 / driver.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_DRIVER_H
34#define MLX5_DRIVER_H
35
36#include <linux/kernel.h>
37#include <linux/completion.h>
38#include <linux/pci.h>
39#include <linux/spinlock_types.h>
40#include <linux/semaphore.h>
41#include <linux/vmalloc.h>
42#include <linux/radix-tree.h>
43#include <linux/mlx5/device.h>
44#include <linux/mlx5/doorbell.h>
45
46enum {
47 MLX5_BOARD_ID_LEN = 64,
48 MLX5_MAX_NAME_LEN = 16,
49};
50
51enum {
52 /* one minute for the sake of bringup. Generally, commands must always
53 * complete and we may need to increase this timeout value
54 */
55 MLX5_CMD_TIMEOUT_MSEC = 7200 * 1000,
56 MLX5_CMD_WQ_MAX_NAME = 32,
57};
58
59enum {
60 CMD_OWNER_SW = 0x0,
61 CMD_OWNER_HW = 0x1,
62 CMD_STATUS_SUCCESS = 0,
63};
64
65enum mlx5_sqp_t {
66 MLX5_SQP_SMI = 0,
67 MLX5_SQP_GSI = 1,
68 MLX5_SQP_IEEE_1588 = 2,
69 MLX5_SQP_SNIFFER = 3,
70 MLX5_SQP_SYNC_UMR = 4,
71};
72
73enum {
74 MLX5_MAX_PORTS = 2,
75};
76
77enum {
78 MLX5_EQ_VEC_PAGES = 0,
79 MLX5_EQ_VEC_CMD = 1,
80 MLX5_EQ_VEC_ASYNC = 2,
81 MLX5_EQ_VEC_COMP_BASE,
82};
83
84enum {
ada9f5d0 85 MLX5_MAX_EQ_NAME = 32
e126ba97
EC		 86};
87
88enum {
89 MLX5_ATOMIC_MODE_IB_COMP = 1 << 16,
90 MLX5_ATOMIC_MODE_CX = 2 << 16,
91 MLX5_ATOMIC_MODE_8B = 3 << 16,
92 MLX5_ATOMIC_MODE_16B = 4 << 16,
93 MLX5_ATOMIC_MODE_32B = 5 << 16,
94 MLX5_ATOMIC_MODE_64B = 6 << 16,
95 MLX5_ATOMIC_MODE_128B = 7 << 16,
96 MLX5_ATOMIC_MODE_256B = 8 << 16,
97};
98
99enum {
100 MLX5_CMD_OP_QUERY_HCA_CAP = 0x100,
101 MLX5_CMD_OP_QUERY_ADAPTER = 0x101,
102 MLX5_CMD_OP_INIT_HCA = 0x102,
103 MLX5_CMD_OP_TEARDOWN_HCA = 0x103,
cd23b14b
EC		 104 MLX5_CMD_OP_ENABLE_HCA = 0x104,
105 MLX5_CMD_OP_DISABLE_HCA = 0x105,
e126ba97
EC		 106 MLX5_CMD_OP_QUERY_PAGES = 0x107,
107 MLX5_CMD_OP_MANAGE_PAGES = 0x108,
108 MLX5_CMD_OP_SET_HCA_CAP = 0x109,
109
110 MLX5_CMD_OP_CREATE_MKEY = 0x200,
111 MLX5_CMD_OP_QUERY_MKEY = 0x201,
112 MLX5_CMD_OP_DESTROY_MKEY = 0x202,
113 MLX5_CMD_OP_QUERY_SPECIAL_CONTEXTS = 0x203,
114
115 MLX5_CMD_OP_CREATE_EQ = 0x301,
116 MLX5_CMD_OP_DESTROY_EQ = 0x302,
117 MLX5_CMD_OP_QUERY_EQ = 0x303,
118
119 MLX5_CMD_OP_CREATE_CQ = 0x400,
120 MLX5_CMD_OP_DESTROY_CQ = 0x401,
121 MLX5_CMD_OP_QUERY_CQ = 0x402,
122 MLX5_CMD_OP_MODIFY_CQ = 0x403,
123
124 MLX5_CMD_OP_CREATE_QP = 0x500,
125 MLX5_CMD_OP_DESTROY_QP = 0x501,
126 MLX5_CMD_OP_RST2INIT_QP = 0x502,
127 MLX5_CMD_OP_INIT2RTR_QP = 0x503,
128 MLX5_CMD_OP_RTR2RTS_QP = 0x504,
129 MLX5_CMD_OP_RTS2RTS_QP = 0x505,
130 MLX5_CMD_OP_SQERR2RTS_QP = 0x506,
131 MLX5_CMD_OP_2ERR_QP = 0x507,
132 MLX5_CMD_OP_RTS2SQD_QP = 0x508,
133 MLX5_CMD_OP_SQD2RTS_QP = 0x509,
134 MLX5_CMD_OP_2RST_QP = 0x50a,
135 MLX5_CMD_OP_QUERY_QP = 0x50b,
136 MLX5_CMD_OP_CONF_SQP = 0x50c,
137 MLX5_CMD_OP_MAD_IFC = 0x50d,
138 MLX5_CMD_OP_INIT2INIT_QP = 0x50e,
139 MLX5_CMD_OP_SUSPEND_QP = 0x50f,
140 MLX5_CMD_OP_UNSUSPEND_QP = 0x510,
141 MLX5_CMD_OP_SQD2SQD_QP = 0x511,
142 MLX5_CMD_OP_ALLOC_QP_COUNTER_SET = 0x512,
143 MLX5_CMD_OP_DEALLOC_QP_COUNTER_SET = 0x513,
144 MLX5_CMD_OP_QUERY_QP_COUNTER_SET = 0x514,
145
146 MLX5_CMD_OP_CREATE_PSV = 0x600,
147 MLX5_CMD_OP_DESTROY_PSV = 0x601,
148 MLX5_CMD_OP_QUERY_PSV = 0x602,
149 MLX5_CMD_OP_QUERY_SIG_RULE_TABLE = 0x603,
150 MLX5_CMD_OP_QUERY_BLOCK_SIZE_TABLE = 0x604,
151
152 MLX5_CMD_OP_CREATE_SRQ = 0x700,
153 MLX5_CMD_OP_DESTROY_SRQ = 0x701,
154 MLX5_CMD_OP_QUERY_SRQ = 0x702,
155 MLX5_CMD_OP_ARM_RQ = 0x703,
156 MLX5_CMD_OP_RESIZE_SRQ = 0x704,
157
158 MLX5_CMD_OP_ALLOC_PD = 0x800,
159 MLX5_CMD_OP_DEALLOC_PD = 0x801,
160 MLX5_CMD_OP_ALLOC_UAR = 0x802,
161 MLX5_CMD_OP_DEALLOC_UAR = 0x803,
162
163 MLX5_CMD_OP_ATTACH_TO_MCG = 0x806,
164 MLX5_CMD_OP_DETACH_FROM_MCG = 0x807,
165
166
167 MLX5_CMD_OP_ALLOC_XRCD = 0x80e,
168 MLX5_CMD_OP_DEALLOC_XRCD = 0x80f,
169
170 MLX5_CMD_OP_ACCESS_REG = 0x805,
171 MLX5_CMD_OP_MAX = 0x810,
172};
173
174enum {
175 MLX5_REG_PCAP = 0x5001,
176 MLX5_REG_PMTU = 0x5003,
177 MLX5_REG_PTYS = 0x5004,
178 MLX5_REG_PAOS = 0x5006,
179 MLX5_REG_PMAOS = 0x5012,
180 MLX5_REG_PUDE = 0x5009,
181 MLX5_REG_PMPE = 0x5010,
182 MLX5_REG_PELC = 0x500e,
183 MLX5_REG_PMLP = 0, /* TBD */
184 MLX5_REG_NODE_DESC = 0x6001,
185 MLX5_REG_HOST_ENDIANNESS = 0x7004,
186};
187
188enum dbg_rsc_type {
189 MLX5_DBG_RSC_QP,
190 MLX5_DBG_RSC_EQ,
191 MLX5_DBG_RSC_CQ,
192};
193
194struct mlx5_field_desc {
195 struct dentry *dent;
196 int i;
197};
198
199struct mlx5_rsc_debug {
200 struct mlx5_core_dev *dev;
201 void *object;
202 enum dbg_rsc_type type;
203 struct dentry *root;
204 struct mlx5_field_desc fields[0];
205};
206
207enum mlx5_dev_event {
208 MLX5_DEV_EVENT_SYS_ERROR,
209 MLX5_DEV_EVENT_PORT_UP,
210 MLX5_DEV_EVENT_PORT_DOWN,
211 MLX5_DEV_EVENT_PORT_INITIALIZED,
212 MLX5_DEV_EVENT_LID_CHANGE,
213 MLX5_DEV_EVENT_PKEY_CHANGE,
214 MLX5_DEV_EVENT_GUID_CHANGE,
215 MLX5_DEV_EVENT_CLIENT_REREG,
216};
217
218struct mlx5_uuar_info {
219 struct mlx5_uar *uars;
220 int num_uars;
221 int num_low_latency_uuars;
222 unsigned long *bitmap;
223 unsigned int *count;
224 struct mlx5_bf *bfs;
225
226 /*
227 * protect uuar allocation data structs
228 */
229 struct mutex lock;
230};
231
232struct mlx5_bf {
233 void __iomem *reg;
234 void __iomem *regreg;
235 int buf_size;
236 struct mlx5_uar *uar;
237 unsigned long offset;
238 int need_lock;
239 /* protect blue flame buffer selection when needed
240 */
241 spinlock_t lock;
242
243 /* serialize 64 bit writes when done as two 32 bit accesses
244 */
245 spinlock_t lock32;
246 int uuarn;
247};
248
249struct mlx5_cmd_first {
250 __be32 data[4];
251};
252
253struct mlx5_cmd_msg {
254 struct list_head list;
255 struct cache_ent *cache;
256 u32 len;
257 struct mlx5_cmd_first first;
258 struct mlx5_cmd_mailbox *next;
259};
260
261struct mlx5_cmd_debug {
262 struct dentry *dbg_root;
263 struct dentry *dbg_in;
264 struct dentry *dbg_out;
265 struct dentry *dbg_outlen;
266 struct dentry *dbg_status;
267 struct dentry *dbg_run;
268 void *in_msg;
269 void *out_msg;
270 u8 status;
271 u16 inlen;
272 u16 outlen;
273};
274
275struct cache_ent {
276 /* protect block chain allocations
277 */
278 spinlock_t lock;
279 struct list_head head;
280};
281
282struct cmd_msg_cache {
283 struct cache_ent large;
284 struct cache_ent med;
285
286};
287
288struct mlx5_cmd_stats {
289 u64 sum;
290 u64 n;
291 struct dentry *root;
292 struct dentry *avg;
293 struct dentry *count;
294 /* protect command average calculations */
295 spinlock_t lock;
296};
297
298struct mlx5_cmd {
299 void *cmd_buf;
300 dma_addr_t dma;
301 u16 cmdif_rev;
302 u8 log_sz;
303 u8 log_stride;
304 int max_reg_cmds;
305 int events;
306 u32 __iomem *vector;
307
308 /* protect command queue allocations
309 */
310 spinlock_t alloc_lock;
311
312 /* protect token allocations
313 */
314 spinlock_t token_lock;
315 u8 token;
316 unsigned long bitmask;
317 char wq_name[MLX5_CMD_WQ_MAX_NAME];
318 struct workqueue_struct *wq;
319 struct semaphore sem;
320 struct semaphore pages_sem;
321 int mode;
322 struct mlx5_cmd_work_ent *ent_arr[MLX5_MAX_COMMANDS];
323 struct pci_pool *pool;
324 struct mlx5_cmd_debug dbg;
325 struct cmd_msg_cache cache;
326 int checksum_disabled;
327 struct mlx5_cmd_stats stats[MLX5_CMD_OP_MAX];
328};
329
330struct mlx5_port_caps {
331 int gid_table_len;
332 int pkey_table_len;
333};
334
335struct mlx5_caps {
336 u8 log_max_eq;
337 u8 log_max_cq;
338 u8 log_max_qp;
339 u8 log_max_mkey;
340 u8 log_max_pd;
341 u8 log_max_srq;
342 u32 max_cqes;
343 int max_wqes;
344 int max_sq_desc_sz;
345 int max_rq_desc_sz;
346 u64 flags;
347 u16 stat_rate_support;
348 int log_max_msg;
349 int num_ports;
350 int max_ra_res_qp;
351 int max_ra_req_qp;
352 int max_srq_wqes;
353 int bf_reg_size;
354 int bf_regs_per_page;
355 struct mlx5_port_caps port[MLX5_MAX_PORTS];
356 u8 ext_port_cap[MLX5_MAX_PORTS];
357 int max_vf;
358 u32 reserved_lkey;
359 u8 local_ca_ack_delay;
360 u8 log_max_mcg;
0a324f31 361 u32 max_qp_mcg;
e126ba97
EC		 362 int min_page_sz;
363};
364
365struct mlx5_cmd_mailbox {
366 void *buf;
367 dma_addr_t dma;
368 struct mlx5_cmd_mailbox *next;
369};
370
371struct mlx5_buf_list {
372 void *buf;
373 dma_addr_t map;
374};
375
376struct mlx5_buf {
377 struct mlx5_buf_list direct;
378 struct mlx5_buf_list *page_list;
379 int nbufs;
380 int npages;
381 int page_shift;
382 int size;
383};
384
385struct mlx5_eq {
386 struct mlx5_core_dev *dev;
387 __be32 __iomem *doorbell;
388 u32 cons_index;
389 struct mlx5_buf buf;
390 int size;
391 u8 irqn;
392 u8 eqn;
393 int nent;
394 u64 mask;
395 char name[MLX5_MAX_EQ_NAME];
396 struct list_head list;
397 int index;
398 struct mlx5_rsc_debug *dbg;
399};
400
401
402struct mlx5_core_mr {
403 u64 iova;
404 u64 size;
405 u32 key;
406 u32 pd;
407 u32 access;
408};
409
410struct mlx5_core_srq {
411 u32 srqn;
412 int max;
413 int max_gs;
414 int max_avail_gather;
415 int wqe_shift;
416 void (*event) (struct mlx5_core_srq *, enum mlx5_event);
417
418 atomic_t refcount;
419 struct completion free;
420};
421
422struct mlx5_eq_table {
423 void __iomem *update_ci;
424 void __iomem *update_arm_ci;
425 struct list_head *comp_eq_head;
426 struct mlx5_eq pages_eq;
427 struct mlx5_eq async_eq;
428 struct mlx5_eq cmd_eq;
429 struct msix_entry *msix_arr;
430 int num_comp_vectors;
431 /* protect EQs list
432 */
433 spinlock_t lock;
434};
435
436struct mlx5_uar {
437 u32 index;
438 struct list_head bf_list;
439 unsigned free_bf_bmap;
440 void __iomem *wc_map;
441 void __iomem *map;
442};
443
444
445struct mlx5_core_health {
446 struct health_buffer __iomem *health;
447 __be32 __iomem *health_counter;
448 struct timer_list timer;
449 struct list_head list;
450 u32 prev;
451 int miss_counter;
452};
453
454struct mlx5_cq_table {
455 /* protect radix tree
456 */
457 spinlock_t lock;
458 struct radix_tree_root tree;
459};
460
461struct mlx5_qp_table {
462 /* protect radix tree
463 */
464 spinlock_t lock;
465 struct radix_tree_root tree;
466};
467
468struct mlx5_srq_table {
469 /* protect radix tree
470 */
471 spinlock_t lock;
472 struct radix_tree_root tree;
473};
474
475struct mlx5_priv {
476 char name[MLX5_MAX_NAME_LEN];
477 struct mlx5_eq_table eq_table;
478 struct mlx5_uuar_info uuari;
479 MLX5_DECLARE_DOORBELL_LOCK(cq_uar_lock);
480
481 /* pages stuff */
482 struct workqueue_struct *pg_wq;
483 struct rb_root page_root;
484 int fw_pages;
485 int reg_pages;
486
487 struct mlx5_core_health health;
488
489 struct mlx5_srq_table srq_table;
490
491 /* start: qp staff */
492 struct mlx5_qp_table qp_table;
493 struct dentry *qp_debugfs;
494 struct dentry *eq_debugfs;
495 struct dentry *cq_debugfs;
496 struct dentry *cmdif_debugfs;
497 /* end: qp staff */
498
499 /* start: cq staff */
500 struct mlx5_cq_table cq_table;
501 /* end: cq staff */
502
503 /* start: alloc staff */
504 struct mutex pgdir_mutex;
505 struct list_head pgdir_list;
506 /* end: alloc staff */
507 struct dentry *dbg_root;
508
509 /* protect mkey key part */
510 spinlock_t mkey_lock;
511 u8 mkey_key;
512};
513
514struct mlx5_core_dev {
515 struct pci_dev *pdev;
516 u8 rev_id;
517 char board_id[MLX5_BOARD_ID_LEN];
518 struct mlx5_cmd cmd;
519 struct mlx5_caps caps;
520 phys_addr_t iseg_base;
521 struct mlx5_init_seg __iomem *iseg;
522 void (*event) (struct mlx5_core_dev *dev,
523 enum mlx5_dev_event event,
524 void *data);
525 struct mlx5_priv priv;
526 struct mlx5_profile *profile;
527 atomic_t num_qps;
528};
529
530struct mlx5_db {
531 __be32 *db;
532 union {
533 struct mlx5_db_pgdir *pgdir;
534 struct mlx5_ib_user_db_page *user_page;
535 } u;
536 dma_addr_t dma;
537 int index;
538};
539
540enum {
541 MLX5_DB_PER_PAGE = PAGE_SIZE / L1_CACHE_BYTES,
542};
543
544enum {
545 MLX5_COMP_EQ_SIZE = 1024,
546};
547
548struct mlx5_db_pgdir {
549 struct list_head list;
550 DECLARE_BITMAP(bitmap, MLX5_DB_PER_PAGE);
551 __be32 *db_page;
552 dma_addr_t db_dma;
553};
554
555typedef void (*mlx5_cmd_cbk_t)(int status, void *context);
556
557struct mlx5_cmd_work_ent {
558 struct mlx5_cmd_msg *in;
559 struct mlx5_cmd_msg *out;
746b5583
EC		 560 void *uout;
561 int uout_size;
e126ba97
EC		 562 mlx5_cmd_cbk_t callback;
563 void *context;
746b5583 564 int idx;
e126ba97
EC		 565 struct completion done;
566 struct mlx5_cmd *cmd;
567 struct work_struct work;
568 struct mlx5_cmd_layout *lay;
569 int ret;
570 int page_queue;
571 u8 status;
572 u8 token;
573 struct timespec ts1;
574 struct timespec ts2;
746b5583 575 u16 op;
e126ba97
EC		 576};
577
578struct mlx5_pas {
579 u64 pa;
580 u8 log_sz;
581};
582
583static inline void *mlx5_buf_offset(struct mlx5_buf *buf, int offset)
584{
585 if (likely(BITS_PER_LONG == 64 || buf->nbufs == 1))
586 return buf->direct.buf + offset;
587 else
588 return buf->page_list[offset >> PAGE_SHIFT].buf +
589 (offset & (PAGE_SIZE - 1));
590}
591
592extern struct workqueue_struct *mlx5_core_wq;
593
594#define STRUCT_FIELD(header, field) \
595 .struct_offset_bytes = offsetof(struct ib_unpacked_ ## header, field), \
596 .struct_size_bytes = sizeof((struct ib_unpacked_ ## header *)0)->field
597
598struct ib_field {
599 size_t struct_offset_bytes;
600 size_t struct_size_bytes;
601 int offset_bits;
602 int size_bits;
603};
604
605static inline struct mlx5_core_dev *pci2mlx5_core_dev(struct pci_dev *pdev)
606{
607 return pci_get_drvdata(pdev);
608}
609
610extern struct dentry *mlx5_debugfs_root;
611
612static inline u16 fw_rev_maj(struct mlx5_core_dev *dev)
613{
614 return ioread32be(&dev->iseg->fw_rev) & 0xffff;
615}
616
617static inline u16 fw_rev_min(struct mlx5_core_dev *dev)
618{
619 return ioread32be(&dev->iseg->fw_rev) >> 16;
620}
621
622static inline u16 fw_rev_sub(struct mlx5_core_dev *dev)
623{
624 return ioread32be(&dev->iseg->cmdif_rev_fw_sub) & 0xffff;
625}
626
627static inline u16 cmdif_rev(struct mlx5_core_dev *dev)
628{
629 return ioread32be(&dev->iseg->cmdif_rev_fw_sub) >> 16;
630}
631
632static inline void *mlx5_vzalloc(unsigned long size)
633{
634 void *rtn;
635
636 rtn = kzalloc(size, GFP_KERNEL | __GFP_NOWARN);
637 if (!rtn)
638 rtn = vzalloc(size);
639 return rtn;
640}
641
642static inline void mlx5_vfree(const void *addr)
643{
644 if (addr && is_vmalloc_addr(addr))
645 vfree(addr);
646 else
647 kfree(addr);
648}
649
650int mlx5_dev_init(struct mlx5_core_dev *dev, struct pci_dev *pdev);
651void mlx5_dev_cleanup(struct mlx5_core_dev *dev);
652int mlx5_cmd_init(struct mlx5_core_dev *dev);
653void mlx5_cmd_cleanup(struct mlx5_core_dev *dev);
654void mlx5_cmd_use_events(struct mlx5_core_dev *dev);
655void mlx5_cmd_use_polling(struct mlx5_core_dev *dev);
656int mlx5_cmd_status_to_err(struct mlx5_outbox_hdr *hdr);
657int mlx5_cmd_exec(struct mlx5_core_dev *dev, void *in, int in_size, void *out,
658 int out_size);
746b5583
EC		 659int mlx5_cmd_exec_cb(struct mlx5_core_dev *dev, void *in, int in_size,
660 void *out, int out_size, mlx5_cmd_cbk_t callback,
661 void *context);
e126ba97
EC		 662int mlx5_cmd_alloc_uar(struct mlx5_core_dev *dev, u32 *uarn);
663int mlx5_cmd_free_uar(struct mlx5_core_dev *dev, u32 uarn);
664int mlx5_alloc_uuars(struct mlx5_core_dev *dev, struct mlx5_uuar_info *uuari);
665int mlx5_free_uuars(struct mlx5_core_dev *dev, struct mlx5_uuar_info *uuari);
666void mlx5_health_cleanup(void);
667void __init mlx5_health_init(void);
668void mlx5_start_health_poll(struct mlx5_core_dev *dev);
669void mlx5_stop_health_poll(struct mlx5_core_dev *dev);
670int mlx5_buf_alloc(struct mlx5_core_dev *dev, int size, int max_direct,
671 struct mlx5_buf *buf);
672void mlx5_buf_free(struct mlx5_core_dev *dev, struct mlx5_buf *buf);
673struct mlx5_cmd_mailbox *mlx5_alloc_cmd_mailbox_chain(struct mlx5_core_dev *dev,
674 gfp_t flags, int npages);
675void mlx5_free_cmd_mailbox_chain(struct mlx5_core_dev *dev,
676 struct mlx5_cmd_mailbox *head);
677int mlx5_core_create_srq(struct mlx5_core_dev *dev, struct mlx5_core_srq *srq,
678 struct mlx5_create_srq_mbox_in *in, int inlen);
679int mlx5_core_destroy_srq(struct mlx5_core_dev *dev, struct mlx5_core_srq *srq);
680int mlx5_core_query_srq(struct mlx5_core_dev *dev, struct mlx5_core_srq *srq,
681 struct mlx5_query_srq_mbox_out *out);
682int mlx5_core_arm_srq(struct mlx5_core_dev *dev, struct mlx5_core_srq *srq,
683 u16 lwm, int is_srq);
684int mlx5_core_create_mkey(struct mlx5_core_dev *dev, struct mlx5_core_mr *mr,
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EC		 685 struct mlx5_create_mkey_mbox_in *in, int inlen,
686 mlx5_cmd_cbk_t callback, void *context,
687 struct mlx5_create_mkey_mbox_out *out);
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EC		 688int mlx5_core_destroy_mkey(struct mlx5_core_dev *dev, struct mlx5_core_mr *mr);
689int mlx5_core_query_mkey(struct mlx5_core_dev *dev, struct mlx5_core_mr *mr,
690 struct mlx5_query_mkey_mbox_out *out, int outlen);
691int mlx5_core_dump_fill_mkey(struct mlx5_core_dev *dev, struct mlx5_core_mr *mr,
692 u32 *mkey);
693int mlx5_core_alloc_pd(struct mlx5_core_dev *dev, u32 *pdn);
694int mlx5_core_dealloc_pd(struct mlx5_core_dev *dev, u32 pdn);
695int mlx5_core_mad_ifc(struct mlx5_core_dev *dev, void *inb, void *outb,
696 u16 opmod, int port);
697void mlx5_pagealloc_init(struct mlx5_core_dev *dev);
698void mlx5_pagealloc_cleanup(struct mlx5_core_dev *dev);
699int mlx5_pagealloc_start(struct mlx5_core_dev *dev);
700void mlx5_pagealloc_stop(struct mlx5_core_dev *dev);
701void mlx5_core_req_pages_handler(struct mlx5_core_dev *dev, u16 func_id,
0a324f31 702 s32 npages);
cd23b14b 703int mlx5_satisfy_startup_pages(struct mlx5_core_dev *dev, int boot);
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EC		 704int mlx5_reclaim_startup_pages(struct mlx5_core_dev *dev);
705void mlx5_register_debugfs(void);
706void mlx5_unregister_debugfs(void);
707int mlx5_eq_init(struct mlx5_core_dev *dev);
708void mlx5_eq_cleanup(struct mlx5_core_dev *dev);
709void mlx5_fill_page_array(struct mlx5_buf *buf, __be64 *pas);
710void mlx5_cq_completion(struct mlx5_core_dev *dev, u32 cqn);
711void mlx5_qp_event(struct mlx5_core_dev *dev, u32 qpn, int event_type);
712void mlx5_srq_event(struct mlx5_core_dev *dev, u32 srqn, int event_type);
713struct mlx5_core_srq *mlx5_core_get_srq(struct mlx5_core_dev *dev, u32 srqn);
714void mlx5_cmd_comp_handler(struct mlx5_core_dev *dev, unsigned long vector);
715void mlx5_cq_event(struct mlx5_core_dev *dev, u32 cqn, int event_type);
716int mlx5_create_map_eq(struct mlx5_core_dev *dev, struct mlx5_eq *eq, u8 vecidx,
717 int nent, u64 mask, const char *name, struct mlx5_uar *uar);
718int mlx5_destroy_unmap_eq(struct mlx5_core_dev *dev, struct mlx5_eq *eq);
719int mlx5_start_eqs(struct mlx5_core_dev *dev);
720int mlx5_stop_eqs(struct mlx5_core_dev *dev);
721int mlx5_core_attach_mcg(struct mlx5_core_dev *dev, union ib_gid *mgid, u32 qpn);
722int mlx5_core_detach_mcg(struct mlx5_core_dev *dev, union ib_gid *mgid, u32 qpn);
723
724int mlx5_qp_debugfs_init(struct mlx5_core_dev *dev);
725void mlx5_qp_debugfs_cleanup(struct mlx5_core_dev *dev);
726int mlx5_core_access_reg(struct mlx5_core_dev *dev, void *data_in,
727 int size_in, void *data_out, int size_out,
728 u16 reg_num, int arg, int write);
729int mlx5_set_port_caps(struct mlx5_core_dev *dev, int port_num, u32 caps);
730
731int mlx5_debug_eq_add(struct mlx5_core_dev *dev, struct mlx5_eq *eq);
732void mlx5_debug_eq_remove(struct mlx5_core_dev *dev, struct mlx5_eq *eq);
733int mlx5_core_eq_query(struct mlx5_core_dev *dev, struct mlx5_eq *eq,
734 struct mlx5_query_eq_mbox_out *out, int outlen);
735int mlx5_eq_debugfs_init(struct mlx5_core_dev *dev);
736void mlx5_eq_debugfs_cleanup(struct mlx5_core_dev *dev);
737int mlx5_cq_debugfs_init(struct mlx5_core_dev *dev);
738void mlx5_cq_debugfs_cleanup(struct mlx5_core_dev *dev);
739int mlx5_db_alloc(struct mlx5_core_dev *dev, struct mlx5_db *db);
740void mlx5_db_free(struct mlx5_core_dev *dev, struct mlx5_db *db);
741
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EC		 742const char *mlx5_command_str(int command);
743int mlx5_cmdif_debugfs_init(struct mlx5_core_dev *dev);
744void mlx5_cmdif_debugfs_cleanup(struct mlx5_core_dev *dev);
745
746static inline u32 mlx5_mkey_to_idx(u32 mkey)
747{
748 return mkey >> 8;
749}
750
751static inline u32 mlx5_idx_to_mkey(u32 mkey_idx)
752{
753 return mkey_idx << 8;
754}
755
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EC		 756static inline u8 mlx5_mkey_variant(u32 mkey)
757{
758 return mkey & 0xff;
759}
760
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EC		 761enum {
762 MLX5_PROF_MASK_QP_SIZE = (u64)1 << 0,
c1868b82 763 MLX5_PROF_MASK_MR_CACHE = (u64)1 << 1,
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EC		 764};
765
766enum {
767 MAX_MR_CACHE_ENTRIES = 16,
768};
769
770struct mlx5_profile {
771 u64 mask;
772 u32 log_max_qp;
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EC		 773 struct {
774 int size;
775 int limit;
776 } mr_cache[MAX_MR_CACHE_ENTRIES];
777};
778
779#endif /* MLX5_DRIVER_H */
Linux 6.x block layer and io_uring tree(s)