Linux kernel mirror (for testing)
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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/slab.h>
42#include <linux/vmalloc.h>
43#include <linux/radix-tree.h>
44
45#include <linux/mlx5/device.h>
46#include <linux/mlx5/doorbell.h>
47
48enum {
49 MLX5_BOARD_ID_LEN = 64,
50 MLX5_MAX_NAME_LEN = 16,
51};
52
53enum {
54 /* one minute for the sake of bringup. Generally, commands must always
55 * complete and we may need to increase this timeout value
56 */
57 MLX5_CMD_TIMEOUT_MSEC = 7200 * 1000,
58 MLX5_CMD_WQ_MAX_NAME = 32,
59};
60
61enum {
62 CMD_OWNER_SW = 0x0,
63 CMD_OWNER_HW = 0x1,
64 CMD_STATUS_SUCCESS = 0,
65};
66
67enum mlx5_sqp_t {
68 MLX5_SQP_SMI = 0,
69 MLX5_SQP_GSI = 1,
70 MLX5_SQP_IEEE_1588 = 2,
71 MLX5_SQP_SNIFFER = 3,
72 MLX5_SQP_SYNC_UMR = 4,
73};
74
75enum {
76 MLX5_MAX_PORTS = 2,
77};
78
79enum {
80 MLX5_EQ_VEC_PAGES = 0,
81 MLX5_EQ_VEC_CMD = 1,
82 MLX5_EQ_VEC_ASYNC = 2,
83 MLX5_EQ_VEC_COMP_BASE,
84};
85
86enum {
87 MLX5_MAX_EQ_NAME = 32
88};
89
90enum {
91 MLX5_ATOMIC_MODE_IB_COMP = 1 << 16,
92 MLX5_ATOMIC_MODE_CX = 2 << 16,
93 MLX5_ATOMIC_MODE_8B = 3 << 16,
94 MLX5_ATOMIC_MODE_16B = 4 << 16,
95 MLX5_ATOMIC_MODE_32B = 5 << 16,
96 MLX5_ATOMIC_MODE_64B = 6 << 16,
97 MLX5_ATOMIC_MODE_128B = 7 << 16,
98 MLX5_ATOMIC_MODE_256B = 8 << 16,
99};
100
101enum {
102 MLX5_CMD_OP_QUERY_HCA_CAP = 0x100,
103 MLX5_CMD_OP_QUERY_ADAPTER = 0x101,
104 MLX5_CMD_OP_INIT_HCA = 0x102,
105 MLX5_CMD_OP_TEARDOWN_HCA = 0x103,
106 MLX5_CMD_OP_ENABLE_HCA = 0x104,
107 MLX5_CMD_OP_DISABLE_HCA = 0x105,
108 MLX5_CMD_OP_QUERY_PAGES = 0x107,
109 MLX5_CMD_OP_MANAGE_PAGES = 0x108,
110 MLX5_CMD_OP_SET_HCA_CAP = 0x109,
111
112 MLX5_CMD_OP_CREATE_MKEY = 0x200,
113 MLX5_CMD_OP_QUERY_MKEY = 0x201,
114 MLX5_CMD_OP_DESTROY_MKEY = 0x202,
115 MLX5_CMD_OP_QUERY_SPECIAL_CONTEXTS = 0x203,
116
117 MLX5_CMD_OP_CREATE_EQ = 0x301,
118 MLX5_CMD_OP_DESTROY_EQ = 0x302,
119 MLX5_CMD_OP_QUERY_EQ = 0x303,
120
121 MLX5_CMD_OP_CREATE_CQ = 0x400,
122 MLX5_CMD_OP_DESTROY_CQ = 0x401,
123 MLX5_CMD_OP_QUERY_CQ = 0x402,
124 MLX5_CMD_OP_MODIFY_CQ = 0x403,
125
126 MLX5_CMD_OP_CREATE_QP = 0x500,
127 MLX5_CMD_OP_DESTROY_QP = 0x501,
128 MLX5_CMD_OP_RST2INIT_QP = 0x502,
129 MLX5_CMD_OP_INIT2RTR_QP = 0x503,
130 MLX5_CMD_OP_RTR2RTS_QP = 0x504,
131 MLX5_CMD_OP_RTS2RTS_QP = 0x505,
132 MLX5_CMD_OP_SQERR2RTS_QP = 0x506,
133 MLX5_CMD_OP_2ERR_QP = 0x507,
134 MLX5_CMD_OP_RTS2SQD_QP = 0x508,
135 MLX5_CMD_OP_SQD2RTS_QP = 0x509,
136 MLX5_CMD_OP_2RST_QP = 0x50a,
137 MLX5_CMD_OP_QUERY_QP = 0x50b,
138 MLX5_CMD_OP_CONF_SQP = 0x50c,
139 MLX5_CMD_OP_MAD_IFC = 0x50d,
140 MLX5_CMD_OP_INIT2INIT_QP = 0x50e,
141 MLX5_CMD_OP_SUSPEND_QP = 0x50f,
142 MLX5_CMD_OP_UNSUSPEND_QP = 0x510,
143 MLX5_CMD_OP_SQD2SQD_QP = 0x511,
144 MLX5_CMD_OP_ALLOC_QP_COUNTER_SET = 0x512,
145 MLX5_CMD_OP_DEALLOC_QP_COUNTER_SET = 0x513,
146 MLX5_CMD_OP_QUERY_QP_COUNTER_SET = 0x514,
147
148 MLX5_CMD_OP_CREATE_PSV = 0x600,
149 MLX5_CMD_OP_DESTROY_PSV = 0x601,
150 MLX5_CMD_OP_QUERY_PSV = 0x602,
151 MLX5_CMD_OP_QUERY_SIG_RULE_TABLE = 0x603,
152 MLX5_CMD_OP_QUERY_BLOCK_SIZE_TABLE = 0x604,
153
154 MLX5_CMD_OP_CREATE_SRQ = 0x700,
155 MLX5_CMD_OP_DESTROY_SRQ = 0x701,
156 MLX5_CMD_OP_QUERY_SRQ = 0x702,
157 MLX5_CMD_OP_ARM_RQ = 0x703,
158 MLX5_CMD_OP_RESIZE_SRQ = 0x704,
159
160 MLX5_CMD_OP_ALLOC_PD = 0x800,
161 MLX5_CMD_OP_DEALLOC_PD = 0x801,
162 MLX5_CMD_OP_ALLOC_UAR = 0x802,
163 MLX5_CMD_OP_DEALLOC_UAR = 0x803,
164
165 MLX5_CMD_OP_ATTACH_TO_MCG = 0x806,
166 MLX5_CMD_OP_DETACH_FROM_MCG = 0x807,
167
168
169 MLX5_CMD_OP_ALLOC_XRCD = 0x80e,
170 MLX5_CMD_OP_DEALLOC_XRCD = 0x80f,
171
172 MLX5_CMD_OP_ACCESS_REG = 0x805,
173 MLX5_CMD_OP_MAX = 0x810,
174};
175
176enum {
177 MLX5_REG_PCAP = 0x5001,
178 MLX5_REG_PMTU = 0x5003,
179 MLX5_REG_PTYS = 0x5004,
180 MLX5_REG_PAOS = 0x5006,
181 MLX5_REG_PMAOS = 0x5012,
182 MLX5_REG_PUDE = 0x5009,
183 MLX5_REG_PMPE = 0x5010,
184 MLX5_REG_PELC = 0x500e,
185 MLX5_REG_PMLP = 0, /* TBD */
186 MLX5_REG_NODE_DESC = 0x6001,
187 MLX5_REG_HOST_ENDIANNESS = 0x7004,
188};
189
190enum dbg_rsc_type {
191 MLX5_DBG_RSC_QP,
192 MLX5_DBG_RSC_EQ,
193 MLX5_DBG_RSC_CQ,
194};
195
196struct mlx5_field_desc {
197 struct dentry *dent;
198 int i;
199};
200
201struct mlx5_rsc_debug {
202 struct mlx5_core_dev *dev;
203 void *object;
204 enum dbg_rsc_type type;
205 struct dentry *root;
206 struct mlx5_field_desc fields[0];
207};
208
209enum mlx5_dev_event {
210 MLX5_DEV_EVENT_SYS_ERROR,
211 MLX5_DEV_EVENT_PORT_UP,
212 MLX5_DEV_EVENT_PORT_DOWN,
213 MLX5_DEV_EVENT_PORT_INITIALIZED,
214 MLX5_DEV_EVENT_LID_CHANGE,
215 MLX5_DEV_EVENT_PKEY_CHANGE,
216 MLX5_DEV_EVENT_GUID_CHANGE,
217 MLX5_DEV_EVENT_CLIENT_REREG,
218};
219
220struct mlx5_uuar_info {
221 struct mlx5_uar *uars;
222 int num_uars;
223 int num_low_latency_uuars;
224 unsigned long *bitmap;
225 unsigned int *count;
226 struct mlx5_bf *bfs;
227
228 /*
229 * protect uuar allocation data structs
230 */
231 struct mutex lock;
232 u32 ver;
233};
234
235struct mlx5_bf {
236 void __iomem *reg;
237 void __iomem *regreg;
238 int buf_size;
239 struct mlx5_uar *uar;
240 unsigned long offset;
241 int need_lock;
242 /* protect blue flame buffer selection when needed
243 */
244 spinlock_t lock;
245
246 /* serialize 64 bit writes when done as two 32 bit accesses
247 */
248 spinlock_t lock32;
249 int uuarn;
250};
251
252struct mlx5_cmd_first {
253 __be32 data[4];
254};
255
256struct mlx5_cmd_msg {
257 struct list_head list;
258 struct cache_ent *cache;
259 u32 len;
260 struct mlx5_cmd_first first;
261 struct mlx5_cmd_mailbox *next;
262};
263
264struct mlx5_cmd_debug {
265 struct dentry *dbg_root;
266 struct dentry *dbg_in;
267 struct dentry *dbg_out;
268 struct dentry *dbg_outlen;
269 struct dentry *dbg_status;
270 struct dentry *dbg_run;
271 void *in_msg;
272 void *out_msg;
273 u8 status;
274 u16 inlen;
275 u16 outlen;
276};
277
278struct cache_ent {
279 /* protect block chain allocations
280 */
281 spinlock_t lock;
282 struct list_head head;
283};
284
285struct cmd_msg_cache {
286 struct cache_ent large;
287 struct cache_ent med;
288
289};
290
291struct mlx5_cmd_stats {
292 u64 sum;
293 u64 n;
294 struct dentry *root;
295 struct dentry *avg;
296 struct dentry *count;
297 /* protect command average calculations */
298 spinlock_t lock;
299};
300
301struct mlx5_cmd {
302 void *cmd_buf;
303 dma_addr_t dma;
304 u16 cmdif_rev;
305 u8 log_sz;
306 u8 log_stride;
307 int max_reg_cmds;
308 int events;
309 u32 __iomem *vector;
310
311 /* protect command queue allocations
312 */
313 spinlock_t alloc_lock;
314
315 /* protect token allocations
316 */
317 spinlock_t token_lock;
318 u8 token;
319 unsigned long bitmask;
320 char wq_name[MLX5_CMD_WQ_MAX_NAME];
321 struct workqueue_struct *wq;
322 struct semaphore sem;
323 struct semaphore pages_sem;
324 int mode;
325 struct mlx5_cmd_work_ent *ent_arr[MLX5_MAX_COMMANDS];
326 struct pci_pool *pool;
327 struct mlx5_cmd_debug dbg;
328 struct cmd_msg_cache cache;
329 int checksum_disabled;
330 struct mlx5_cmd_stats stats[MLX5_CMD_OP_MAX];
331};
332
333struct mlx5_port_caps {
334 int gid_table_len;
335 int pkey_table_len;
336};
337
338struct mlx5_caps {
339 u8 log_max_eq;
340 u8 log_max_cq;
341 u8 log_max_qp;
342 u8 log_max_mkey;
343 u8 log_max_pd;
344 u8 log_max_srq;
345 u32 max_cqes;
346 int max_wqes;
347 int max_sq_desc_sz;
348 int max_rq_desc_sz;
349 u64 flags;
350 u16 stat_rate_support;
351 int log_max_msg;
352 int num_ports;
353 int max_ra_res_qp;
354 int max_ra_req_qp;
355 int max_srq_wqes;
356 int bf_reg_size;
357 int bf_regs_per_page;
358 struct mlx5_port_caps port[MLX5_MAX_PORTS];
359 u8 ext_port_cap[MLX5_MAX_PORTS];
360 int max_vf;
361 u32 reserved_lkey;
362 u8 local_ca_ack_delay;
363 u8 log_max_mcg;
364 u32 max_qp_mcg;
365 int min_page_sz;
366};
367
368struct mlx5_cmd_mailbox {
369 void *buf;
370 dma_addr_t dma;
371 struct mlx5_cmd_mailbox *next;
372};
373
374struct mlx5_buf_list {
375 void *buf;
376 dma_addr_t map;
377};
378
379struct mlx5_buf {
380 struct mlx5_buf_list direct;
381 struct mlx5_buf_list *page_list;
382 int nbufs;
383 int npages;
384 int size;
385 u8 page_shift;
386};
387
388struct mlx5_eq {
389 struct mlx5_core_dev *dev;
390 __be32 __iomem *doorbell;
391 u32 cons_index;
392 struct mlx5_buf buf;
393 int size;
394 u8 irqn;
395 u8 eqn;
396 int nent;
397 u64 mask;
398 char name[MLX5_MAX_EQ_NAME];
399 struct list_head list;
400 int index;
401 struct mlx5_rsc_debug *dbg;
402};
403
404struct mlx5_core_psv {
405 u32 psv_idx;
406 struct psv_layout {
407 u32 pd;
408 u16 syndrome;
409 u16 reserved;
410 u16 bg;
411 u16 app_tag;
412 u32 ref_tag;
413 } psv;
414};
415
416struct mlx5_core_sig_ctx {
417 struct mlx5_core_psv psv_memory;
418 struct mlx5_core_psv psv_wire;
419 struct ib_sig_err err_item;
420 bool sig_status_checked;
421 bool sig_err_exists;
422 u32 sigerr_count;
423};
424
425struct mlx5_core_mr {
426 u64 iova;
427 u64 size;
428 u32 key;
429 u32 pd;
430};
431
432struct mlx5_core_srq {
433 u32 srqn;
434 int max;
435 int max_gs;
436 int max_avail_gather;
437 int wqe_shift;
438 void (*event) (struct mlx5_core_srq *, enum mlx5_event);
439
440 atomic_t refcount;
441 struct completion free;
442};
443
444struct mlx5_eq_table {
445 void __iomem *update_ci;
446 void __iomem *update_arm_ci;
447 struct list_head *comp_eq_head;
448 struct mlx5_eq pages_eq;
449 struct mlx5_eq async_eq;
450 struct mlx5_eq cmd_eq;
451 struct msix_entry *msix_arr;
452 int num_comp_vectors;
453 /* protect EQs list
454 */
455 spinlock_t lock;
456};
457
458struct mlx5_uar {
459 u32 index;
460 struct list_head bf_list;
461 unsigned free_bf_bmap;
462 void __iomem *wc_map;
463 void __iomem *map;
464};
465
466
467struct mlx5_core_health {
468 struct health_buffer __iomem *health;
469 __be32 __iomem *health_counter;
470 struct timer_list timer;
471 struct list_head list;
472 u32 prev;
473 int miss_counter;
474};
475
476struct mlx5_cq_table {
477 /* protect radix tree
478 */
479 spinlock_t lock;
480 struct radix_tree_root tree;
481};
482
483struct mlx5_qp_table {
484 /* protect radix tree
485 */
486 spinlock_t lock;
487 struct radix_tree_root tree;
488};
489
490struct mlx5_srq_table {
491 /* protect radix tree
492 */
493 spinlock_t lock;
494 struct radix_tree_root tree;
495};
496
497struct mlx5_mr_table {
498 /* protect radix tree
499 */
500 rwlock_t lock;
501 struct radix_tree_root tree;
502};
503
504struct mlx5_priv {
505 char name[MLX5_MAX_NAME_LEN];
506 struct mlx5_eq_table eq_table;
507 struct mlx5_uuar_info uuari;
508 MLX5_DECLARE_DOORBELL_LOCK(cq_uar_lock);
509
510 /* pages stuff */
511 struct workqueue_struct *pg_wq;
512 struct rb_root page_root;
513 int fw_pages;
514 int reg_pages;
515 struct list_head free_list;
516
517 struct mlx5_core_health health;
518
519 struct mlx5_srq_table srq_table;
520
521 /* start: qp staff */
522 struct mlx5_qp_table qp_table;
523 struct dentry *qp_debugfs;
524 struct dentry *eq_debugfs;
525 struct dentry *cq_debugfs;
526 struct dentry *cmdif_debugfs;
527 /* end: qp staff */
528
529 /* start: cq staff */
530 struct mlx5_cq_table cq_table;
531 /* end: cq staff */
532
533 /* start: mr staff */
534 struct mlx5_mr_table mr_table;
535 /* end: mr staff */
536
537 /* start: alloc staff */
538 struct mutex pgdir_mutex;
539 struct list_head pgdir_list;
540 /* end: alloc staff */
541 struct dentry *dbg_root;
542
543 /* protect mkey key part */
544 spinlock_t mkey_lock;
545 u8 mkey_key;
546
547 struct list_head dev_list;
548 struct list_head ctx_list;
549 spinlock_t ctx_lock;
550};
551
552struct mlx5_core_dev {
553 struct pci_dev *pdev;
554 u8 rev_id;
555 char board_id[MLX5_BOARD_ID_LEN];
556 struct mlx5_cmd cmd;
557 struct mlx5_caps caps;
558 phys_addr_t iseg_base;
559 struct mlx5_init_seg __iomem *iseg;
560 void (*event) (struct mlx5_core_dev *dev,
561 enum mlx5_dev_event event,
562 unsigned long param);
563 struct mlx5_priv priv;
564 struct mlx5_profile *profile;
565 atomic_t num_qps;
566};
567
568struct mlx5_db {
569 __be32 *db;
570 union {
571 struct mlx5_db_pgdir *pgdir;
572 struct mlx5_ib_user_db_page *user_page;
573 } u;
574 dma_addr_t dma;
575 int index;
576};
577
578enum {
579 MLX5_DB_PER_PAGE = PAGE_SIZE / L1_CACHE_BYTES,
580};
581
582enum {
583 MLX5_COMP_EQ_SIZE = 1024,
584};
585
586struct mlx5_db_pgdir {
587 struct list_head list;
588 DECLARE_BITMAP(bitmap, MLX5_DB_PER_PAGE);
589 __be32 *db_page;
590 dma_addr_t db_dma;
591};
592
593typedef void (*mlx5_cmd_cbk_t)(int status, void *context);
594
595struct mlx5_cmd_work_ent {
596 struct mlx5_cmd_msg *in;
597 struct mlx5_cmd_msg *out;
598 void *uout;
599 int uout_size;
600 mlx5_cmd_cbk_t callback;
601 void *context;
602 int idx;
603 struct completion done;
604 struct mlx5_cmd *cmd;
605 struct work_struct work;
606 struct mlx5_cmd_layout *lay;
607 int ret;
608 int page_queue;
609 u8 status;
610 u8 token;
611 u64 ts1;
612 u64 ts2;
613 u16 op;
614};
615
616struct mlx5_pas {
617 u64 pa;
618 u8 log_sz;
619};
620
621static inline void *mlx5_buf_offset(struct mlx5_buf *buf, int offset)
622{
623 if (likely(BITS_PER_LONG == 64 || buf->nbufs == 1))
624 return buf->direct.buf + offset;
625 else
626 return buf->page_list[offset >> PAGE_SHIFT].buf +
627 (offset & (PAGE_SIZE - 1));
628}
629
630extern struct workqueue_struct *mlx5_core_wq;
631
632#define STRUCT_FIELD(header, field) \
633 .struct_offset_bytes = offsetof(struct ib_unpacked_ ## header, field), \
634 .struct_size_bytes = sizeof((struct ib_unpacked_ ## header *)0)->field
635
636struct ib_field {
637 size_t struct_offset_bytes;
638 size_t struct_size_bytes;
639 int offset_bits;
640 int size_bits;
641};
642
643static inline struct mlx5_core_dev *pci2mlx5_core_dev(struct pci_dev *pdev)
644{
645 return pci_get_drvdata(pdev);
646}
647
648extern struct dentry *mlx5_debugfs_root;
649
650static inline u16 fw_rev_maj(struct mlx5_core_dev *dev)
651{
652 return ioread32be(&dev->iseg->fw_rev) & 0xffff;
653}
654
655static inline u16 fw_rev_min(struct mlx5_core_dev *dev)
656{
657 return ioread32be(&dev->iseg->fw_rev) >> 16;
658}
659
660static inline u16 fw_rev_sub(struct mlx5_core_dev *dev)
661{
662 return ioread32be(&dev->iseg->cmdif_rev_fw_sub) & 0xffff;
663}
664
665static inline u16 cmdif_rev(struct mlx5_core_dev *dev)
666{
667 return ioread32be(&dev->iseg->cmdif_rev_fw_sub) >> 16;
668}
669
670static inline void *mlx5_vzalloc(unsigned long size)
671{
672 void *rtn;
673
674 rtn = kzalloc(size, GFP_KERNEL | __GFP_NOWARN);
675 if (!rtn)
676 rtn = vzalloc(size);
677 return rtn;
678}
679
680static inline void mlx5_vfree(const void *addr)
681{
682 if (addr && is_vmalloc_addr(addr))
683 vfree(addr);
684 else
685 kfree(addr);
686}
687
688static inline u32 mlx5_base_mkey(const u32 key)
689{
690 return key & 0xffffff00u;
691}
692
693int mlx5_cmd_init(struct mlx5_core_dev *dev);
694void mlx5_cmd_cleanup(struct mlx5_core_dev *dev);
695void mlx5_cmd_use_events(struct mlx5_core_dev *dev);
696void mlx5_cmd_use_polling(struct mlx5_core_dev *dev);
697int mlx5_cmd_status_to_err(struct mlx5_outbox_hdr *hdr);
698int mlx5_cmd_exec(struct mlx5_core_dev *dev, void *in, int in_size, void *out,
699 int out_size);
700int mlx5_cmd_exec_cb(struct mlx5_core_dev *dev, void *in, int in_size,
701 void *out, int out_size, mlx5_cmd_cbk_t callback,
702 void *context);
703int mlx5_cmd_alloc_uar(struct mlx5_core_dev *dev, u32 *uarn);
704int mlx5_cmd_free_uar(struct mlx5_core_dev *dev, u32 uarn);
705int mlx5_alloc_uuars(struct mlx5_core_dev *dev, struct mlx5_uuar_info *uuari);
706int mlx5_free_uuars(struct mlx5_core_dev *dev, struct mlx5_uuar_info *uuari);
707void mlx5_health_cleanup(void);
708void __init mlx5_health_init(void);
709void mlx5_start_health_poll(struct mlx5_core_dev *dev);
710void mlx5_stop_health_poll(struct mlx5_core_dev *dev);
711int mlx5_buf_alloc(struct mlx5_core_dev *dev, int size, int max_direct,
712 struct mlx5_buf *buf);
713void mlx5_buf_free(struct mlx5_core_dev *dev, struct mlx5_buf *buf);
714struct mlx5_cmd_mailbox *mlx5_alloc_cmd_mailbox_chain(struct mlx5_core_dev *dev,
715 gfp_t flags, int npages);
716void mlx5_free_cmd_mailbox_chain(struct mlx5_core_dev *dev,
717 struct mlx5_cmd_mailbox *head);
718int mlx5_core_create_srq(struct mlx5_core_dev *dev, struct mlx5_core_srq *srq,
719 struct mlx5_create_srq_mbox_in *in, int inlen);
720int mlx5_core_destroy_srq(struct mlx5_core_dev *dev, struct mlx5_core_srq *srq);
721int mlx5_core_query_srq(struct mlx5_core_dev *dev, struct mlx5_core_srq *srq,
722 struct mlx5_query_srq_mbox_out *out);
723int mlx5_core_arm_srq(struct mlx5_core_dev *dev, struct mlx5_core_srq *srq,
724 u16 lwm, int is_srq);
725void mlx5_init_mr_table(struct mlx5_core_dev *dev);
726void mlx5_cleanup_mr_table(struct mlx5_core_dev *dev);
727int mlx5_core_create_mkey(struct mlx5_core_dev *dev, struct mlx5_core_mr *mr,
728 struct mlx5_create_mkey_mbox_in *in, int inlen,
729 mlx5_cmd_cbk_t callback, void *context,
730 struct mlx5_create_mkey_mbox_out *out);
731int mlx5_core_destroy_mkey(struct mlx5_core_dev *dev, struct mlx5_core_mr *mr);
732int mlx5_core_query_mkey(struct mlx5_core_dev *dev, struct mlx5_core_mr *mr,
733 struct mlx5_query_mkey_mbox_out *out, int outlen);
734int mlx5_core_dump_fill_mkey(struct mlx5_core_dev *dev, struct mlx5_core_mr *mr,
735 u32 *mkey);
736int mlx5_core_alloc_pd(struct mlx5_core_dev *dev, u32 *pdn);
737int mlx5_core_dealloc_pd(struct mlx5_core_dev *dev, u32 pdn);
738int mlx5_core_mad_ifc(struct mlx5_core_dev *dev, void *inb, void *outb,
739 u16 opmod, u8 port);
740void mlx5_pagealloc_init(struct mlx5_core_dev *dev);
741void mlx5_pagealloc_cleanup(struct mlx5_core_dev *dev);
742int mlx5_pagealloc_start(struct mlx5_core_dev *dev);
743void mlx5_pagealloc_stop(struct mlx5_core_dev *dev);
744void mlx5_core_req_pages_handler(struct mlx5_core_dev *dev, u16 func_id,
745 s32 npages);
746int mlx5_satisfy_startup_pages(struct mlx5_core_dev *dev, int boot);
747int mlx5_reclaim_startup_pages(struct mlx5_core_dev *dev);
748void mlx5_register_debugfs(void);
749void mlx5_unregister_debugfs(void);
750int mlx5_eq_init(struct mlx5_core_dev *dev);
751void mlx5_eq_cleanup(struct mlx5_core_dev *dev);
752void mlx5_fill_page_array(struct mlx5_buf *buf, __be64 *pas);
753void mlx5_cq_completion(struct mlx5_core_dev *dev, u32 cqn);
754void mlx5_qp_event(struct mlx5_core_dev *dev, u32 qpn, int event_type);
755void mlx5_srq_event(struct mlx5_core_dev *dev, u32 srqn, int event_type);
756struct mlx5_core_srq *mlx5_core_get_srq(struct mlx5_core_dev *dev, u32 srqn);
757void mlx5_cmd_comp_handler(struct mlx5_core_dev *dev, unsigned long vector);
758void mlx5_cq_event(struct mlx5_core_dev *dev, u32 cqn, int event_type);
759int mlx5_create_map_eq(struct mlx5_core_dev *dev, struct mlx5_eq *eq, u8 vecidx,
760 int nent, u64 mask, const char *name, struct mlx5_uar *uar);
761int mlx5_destroy_unmap_eq(struct mlx5_core_dev *dev, struct mlx5_eq *eq);
762int mlx5_start_eqs(struct mlx5_core_dev *dev);
763int mlx5_stop_eqs(struct mlx5_core_dev *dev);
764int mlx5_core_attach_mcg(struct mlx5_core_dev *dev, union ib_gid *mgid, u32 qpn);
765int mlx5_core_detach_mcg(struct mlx5_core_dev *dev, union ib_gid *mgid, u32 qpn);
766
767int mlx5_qp_debugfs_init(struct mlx5_core_dev *dev);
768void mlx5_qp_debugfs_cleanup(struct mlx5_core_dev *dev);
769int mlx5_core_access_reg(struct mlx5_core_dev *dev, void *data_in,
770 int size_in, void *data_out, int size_out,
771 u16 reg_num, int arg, int write);
772int mlx5_set_port_caps(struct mlx5_core_dev *dev, u8 port_num, u32 caps);
773
774int mlx5_debug_eq_add(struct mlx5_core_dev *dev, struct mlx5_eq *eq);
775void mlx5_debug_eq_remove(struct mlx5_core_dev *dev, struct mlx5_eq *eq);
776int mlx5_core_eq_query(struct mlx5_core_dev *dev, struct mlx5_eq *eq,
777 struct mlx5_query_eq_mbox_out *out, int outlen);
778int mlx5_eq_debugfs_init(struct mlx5_core_dev *dev);
779void mlx5_eq_debugfs_cleanup(struct mlx5_core_dev *dev);
780int mlx5_cq_debugfs_init(struct mlx5_core_dev *dev);
781void mlx5_cq_debugfs_cleanup(struct mlx5_core_dev *dev);
782int mlx5_db_alloc(struct mlx5_core_dev *dev, struct mlx5_db *db);
783void mlx5_db_free(struct mlx5_core_dev *dev, struct mlx5_db *db);
784
785const char *mlx5_command_str(int command);
786int mlx5_cmdif_debugfs_init(struct mlx5_core_dev *dev);
787void mlx5_cmdif_debugfs_cleanup(struct mlx5_core_dev *dev);
788int mlx5_core_create_psv(struct mlx5_core_dev *dev, u32 pdn,
789 int npsvs, u32 *sig_index);
790int mlx5_core_destroy_psv(struct mlx5_core_dev *dev, int psv_num);
791
792static inline u32 mlx5_mkey_to_idx(u32 mkey)
793{
794 return mkey >> 8;
795}
796
797static inline u32 mlx5_idx_to_mkey(u32 mkey_idx)
798{
799 return mkey_idx << 8;
800}
801
802static inline u8 mlx5_mkey_variant(u32 mkey)
803{
804 return mkey & 0xff;
805}
806
807enum {
808 MLX5_PROF_MASK_QP_SIZE = (u64)1 << 0,
809 MLX5_PROF_MASK_MR_CACHE = (u64)1 << 1,
810};
811
812enum {
813 MAX_MR_CACHE_ENTRIES = 16,
814};
815
816struct mlx5_interface {
817 void * (*add)(struct mlx5_core_dev *dev);
818 void (*remove)(struct mlx5_core_dev *dev, void *context);
819 void (*event)(struct mlx5_core_dev *dev, void *context,
820 enum mlx5_dev_event event, unsigned long param);
821 struct list_head list;
822};
823
824int mlx5_register_interface(struct mlx5_interface *intf);
825void mlx5_unregister_interface(struct mlx5_interface *intf);
826
827struct mlx5_profile {
828 u64 mask;
829 u8 log_max_qp;
830 struct {
831 int size;
832 int limit;
833 } mr_cache[MAX_MR_CACHE_ENTRIES];
834};
835
836#endif /* MLX5_DRIVER_H */