Linux kernel mirror (for testing)
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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_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 = 60 * 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_IRQ_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_REG_QETCR = 0x4005,
103 MLX5_REG_QTCT = 0x400a,
104 MLX5_REG_PCAP = 0x5001,
105 MLX5_REG_PMTU = 0x5003,
106 MLX5_REG_PTYS = 0x5004,
107 MLX5_REG_PAOS = 0x5006,
108 MLX5_REG_PFCC = 0x5007,
109 MLX5_REG_PPCNT = 0x5008,
110 MLX5_REG_PMAOS = 0x5012,
111 MLX5_REG_PUDE = 0x5009,
112 MLX5_REG_PMPE = 0x5010,
113 MLX5_REG_PELC = 0x500e,
114 MLX5_REG_PVLC = 0x500f,
115 MLX5_REG_PMLP = 0, /* TBD */
116 MLX5_REG_NODE_DESC = 0x6001,
117 MLX5_REG_HOST_ENDIANNESS = 0x7004,
118};
119
120enum {
121 MLX5_ATOMIC_OPS_CMP_SWAP = 1 << 0,
122 MLX5_ATOMIC_OPS_FETCH_ADD = 1 << 1,
123};
124
125enum mlx5_page_fault_resume_flags {
126 MLX5_PAGE_FAULT_RESUME_REQUESTOR = 1 << 0,
127 MLX5_PAGE_FAULT_RESUME_WRITE = 1 << 1,
128 MLX5_PAGE_FAULT_RESUME_RDMA = 1 << 2,
129 MLX5_PAGE_FAULT_RESUME_ERROR = 1 << 7,
130};
131
132enum dbg_rsc_type {
133 MLX5_DBG_RSC_QP,
134 MLX5_DBG_RSC_EQ,
135 MLX5_DBG_RSC_CQ,
136};
137
138struct mlx5_field_desc {
139 struct dentry *dent;
140 int i;
141};
142
143struct mlx5_rsc_debug {
144 struct mlx5_core_dev *dev;
145 void *object;
146 enum dbg_rsc_type type;
147 struct dentry *root;
148 struct mlx5_field_desc fields[0];
149};
150
151enum mlx5_dev_event {
152 MLX5_DEV_EVENT_SYS_ERROR,
153 MLX5_DEV_EVENT_PORT_UP,
154 MLX5_DEV_EVENT_PORT_DOWN,
155 MLX5_DEV_EVENT_PORT_INITIALIZED,
156 MLX5_DEV_EVENT_LID_CHANGE,
157 MLX5_DEV_EVENT_PKEY_CHANGE,
158 MLX5_DEV_EVENT_GUID_CHANGE,
159 MLX5_DEV_EVENT_CLIENT_REREG,
160};
161
162enum mlx5_port_status {
163 MLX5_PORT_UP = 1,
164 MLX5_PORT_DOWN = 2,
165};
166
167struct mlx5_uuar_info {
168 struct mlx5_uar *uars;
169 int num_uars;
170 int num_low_latency_uuars;
171 unsigned long *bitmap;
172 unsigned int *count;
173 struct mlx5_bf *bfs;
174
175 /*
176 * protect uuar allocation data structs
177 */
178 struct mutex lock;
179 u32 ver;
180};
181
182struct mlx5_bf {
183 void __iomem *reg;
184 void __iomem *regreg;
185 int buf_size;
186 struct mlx5_uar *uar;
187 unsigned long offset;
188 int need_lock;
189 /* protect blue flame buffer selection when needed
190 */
191 spinlock_t lock;
192
193 /* serialize 64 bit writes when done as two 32 bit accesses
194 */
195 spinlock_t lock32;
196 int uuarn;
197};
198
199struct mlx5_cmd_first {
200 __be32 data[4];
201};
202
203struct mlx5_cmd_msg {
204 struct list_head list;
205 struct cache_ent *cache;
206 u32 len;
207 struct mlx5_cmd_first first;
208 struct mlx5_cmd_mailbox *next;
209};
210
211struct mlx5_cmd_debug {
212 struct dentry *dbg_root;
213 struct dentry *dbg_in;
214 struct dentry *dbg_out;
215 struct dentry *dbg_outlen;
216 struct dentry *dbg_status;
217 struct dentry *dbg_run;
218 void *in_msg;
219 void *out_msg;
220 u8 status;
221 u16 inlen;
222 u16 outlen;
223};
224
225struct cache_ent {
226 /* protect block chain allocations
227 */
228 spinlock_t lock;
229 struct list_head head;
230};
231
232struct cmd_msg_cache {
233 struct cache_ent large;
234 struct cache_ent med;
235
236};
237
238struct mlx5_cmd_stats {
239 u64 sum;
240 u64 n;
241 struct dentry *root;
242 struct dentry *avg;
243 struct dentry *count;
244 /* protect command average calculations */
245 spinlock_t lock;
246};
247
248struct mlx5_cmd {
249 void *cmd_alloc_buf;
250 dma_addr_t alloc_dma;
251 int alloc_size;
252 void *cmd_buf;
253 dma_addr_t dma;
254 u16 cmdif_rev;
255 u8 log_sz;
256 u8 log_stride;
257 int max_reg_cmds;
258 int events;
259 u32 __iomem *vector;
260
261 /* protect command queue allocations
262 */
263 spinlock_t alloc_lock;
264
265 /* protect token allocations
266 */
267 spinlock_t token_lock;
268 u8 token;
269 unsigned long bitmask;
270 char wq_name[MLX5_CMD_WQ_MAX_NAME];
271 struct workqueue_struct *wq;
272 struct semaphore sem;
273 struct semaphore pages_sem;
274 int mode;
275 struct mlx5_cmd_work_ent *ent_arr[MLX5_MAX_COMMANDS];
276 struct pci_pool *pool;
277 struct mlx5_cmd_debug dbg;
278 struct cmd_msg_cache cache;
279 int checksum_disabled;
280 struct mlx5_cmd_stats stats[MLX5_CMD_OP_MAX];
281};
282
283struct mlx5_port_caps {
284 int gid_table_len;
285 int pkey_table_len;
286 u8 ext_port_cap;
287};
288
289struct mlx5_cmd_mailbox {
290 void *buf;
291 dma_addr_t dma;
292 struct mlx5_cmd_mailbox *next;
293};
294
295struct mlx5_buf_list {
296 void *buf;
297 dma_addr_t map;
298};
299
300struct mlx5_buf {
301 struct mlx5_buf_list direct;
302 int npages;
303 int size;
304 u8 page_shift;
305};
306
307struct mlx5_eq {
308 struct mlx5_core_dev *dev;
309 __be32 __iomem *doorbell;
310 u32 cons_index;
311 struct mlx5_buf buf;
312 int size;
313 unsigned int irqn;
314 u8 eqn;
315 int nent;
316 u64 mask;
317 struct list_head list;
318 int index;
319 struct mlx5_rsc_debug *dbg;
320};
321
322struct mlx5_core_psv {
323 u32 psv_idx;
324 struct psv_layout {
325 u32 pd;
326 u16 syndrome;
327 u16 reserved;
328 u16 bg;
329 u16 app_tag;
330 u32 ref_tag;
331 } psv;
332};
333
334struct mlx5_core_sig_ctx {
335 struct mlx5_core_psv psv_memory;
336 struct mlx5_core_psv psv_wire;
337 struct ib_sig_err err_item;
338 bool sig_status_checked;
339 bool sig_err_exists;
340 u32 sigerr_count;
341};
342
343struct mlx5_core_mkey {
344 u64 iova;
345 u64 size;
346 u32 key;
347 u32 pd;
348};
349
350enum mlx5_res_type {
351 MLX5_RES_QP = MLX5_EVENT_QUEUE_TYPE_QP,
352 MLX5_RES_RQ = MLX5_EVENT_QUEUE_TYPE_RQ,
353 MLX5_RES_SQ = MLX5_EVENT_QUEUE_TYPE_SQ,
354 MLX5_RES_SRQ = 3,
355 MLX5_RES_XSRQ = 4,
356};
357
358struct mlx5_core_rsc_common {
359 enum mlx5_res_type res;
360 atomic_t refcount;
361 struct completion free;
362};
363
364struct mlx5_core_srq {
365 struct mlx5_core_rsc_common common; /* must be first */
366 u32 srqn;
367 int max;
368 int max_gs;
369 int max_avail_gather;
370 int wqe_shift;
371 void (*event) (struct mlx5_core_srq *, enum mlx5_event);
372
373 atomic_t refcount;
374 struct completion free;
375};
376
377struct mlx5_eq_table {
378 void __iomem *update_ci;
379 void __iomem *update_arm_ci;
380 struct list_head comp_eqs_list;
381 struct mlx5_eq pages_eq;
382 struct mlx5_eq async_eq;
383 struct mlx5_eq cmd_eq;
384 int num_comp_vectors;
385 /* protect EQs list
386 */
387 spinlock_t lock;
388};
389
390struct mlx5_uar {
391 u32 index;
392 struct list_head bf_list;
393 unsigned free_bf_bmap;
394 void __iomem *bf_map;
395 void __iomem *map;
396};
397
398
399struct mlx5_core_health {
400 struct health_buffer __iomem *health;
401 __be32 __iomem *health_counter;
402 struct timer_list timer;
403 u32 prev;
404 int miss_counter;
405 bool sick;
406 struct workqueue_struct *wq;
407 struct work_struct work;
408};
409
410struct mlx5_cq_table {
411 /* protect radix tree
412 */
413 spinlock_t lock;
414 struct radix_tree_root tree;
415};
416
417struct mlx5_qp_table {
418 /* protect radix tree
419 */
420 spinlock_t lock;
421 struct radix_tree_root tree;
422};
423
424struct mlx5_srq_table {
425 /* protect radix tree
426 */
427 spinlock_t lock;
428 struct radix_tree_root tree;
429};
430
431struct mlx5_mkey_table {
432 /* protect radix tree
433 */
434 rwlock_t lock;
435 struct radix_tree_root tree;
436};
437
438struct mlx5_vf_context {
439 int enabled;
440};
441
442struct mlx5_core_sriov {
443 struct mlx5_vf_context *vfs_ctx;
444 int num_vfs;
445 int enabled_vfs;
446};
447
448struct mlx5_irq_info {
449 cpumask_var_t mask;
450 char name[MLX5_MAX_IRQ_NAME];
451};
452
453struct mlx5_eswitch;
454
455struct mlx5_priv {
456 char name[MLX5_MAX_NAME_LEN];
457 struct mlx5_eq_table eq_table;
458 struct msix_entry *msix_arr;
459 struct mlx5_irq_info *irq_info;
460 struct mlx5_uuar_info uuari;
461 MLX5_DECLARE_DOORBELL_LOCK(cq_uar_lock);
462
463 /* pages stuff */
464 struct workqueue_struct *pg_wq;
465 struct rb_root page_root;
466 int fw_pages;
467 atomic_t reg_pages;
468 struct list_head free_list;
469 int vfs_pages;
470
471 struct mlx5_core_health health;
472
473 struct mlx5_srq_table srq_table;
474
475 /* start: qp staff */
476 struct mlx5_qp_table qp_table;
477 struct dentry *qp_debugfs;
478 struct dentry *eq_debugfs;
479 struct dentry *cq_debugfs;
480 struct dentry *cmdif_debugfs;
481 /* end: qp staff */
482
483 /* start: cq staff */
484 struct mlx5_cq_table cq_table;
485 /* end: cq staff */
486
487 /* start: mkey staff */
488 struct mlx5_mkey_table mkey_table;
489 /* end: mkey staff */
490
491 /* start: alloc staff */
492 /* protect buffer alocation according to numa node */
493 struct mutex alloc_mutex;
494 int numa_node;
495
496 struct mutex pgdir_mutex;
497 struct list_head pgdir_list;
498 /* end: alloc staff */
499 struct dentry *dbg_root;
500
501 /* protect mkey key part */
502 spinlock_t mkey_lock;
503 u8 mkey_key;
504
505 struct list_head dev_list;
506 struct list_head ctx_list;
507 spinlock_t ctx_lock;
508
509 struct mlx5_eswitch *eswitch;
510 struct mlx5_core_sriov sriov;
511 unsigned long pci_dev_data;
512 struct mlx5_flow_root_namespace *root_ns;
513 struct mlx5_flow_root_namespace *fdb_root_ns;
514};
515
516enum mlx5_device_state {
517 MLX5_DEVICE_STATE_UP,
518 MLX5_DEVICE_STATE_INTERNAL_ERROR,
519};
520
521enum mlx5_interface_state {
522 MLX5_INTERFACE_STATE_DOWN = BIT(0),
523 MLX5_INTERFACE_STATE_UP = BIT(1),
524 MLX5_INTERFACE_STATE_SHUTDOWN = BIT(2),
525};
526
527enum mlx5_pci_status {
528 MLX5_PCI_STATUS_DISABLED,
529 MLX5_PCI_STATUS_ENABLED,
530};
531
532struct mlx5_core_dev {
533 struct pci_dev *pdev;
534 /* sync pci state */
535 struct mutex pci_status_mutex;
536 enum mlx5_pci_status pci_status;
537 u8 rev_id;
538 char board_id[MLX5_BOARD_ID_LEN];
539 struct mlx5_cmd cmd;
540 struct mlx5_port_caps port_caps[MLX5_MAX_PORTS];
541 u32 hca_caps_cur[MLX5_CAP_NUM][MLX5_UN_SZ_DW(hca_cap_union)];
542 u32 hca_caps_max[MLX5_CAP_NUM][MLX5_UN_SZ_DW(hca_cap_union)];
543 phys_addr_t iseg_base;
544 struct mlx5_init_seg __iomem *iseg;
545 enum mlx5_device_state state;
546 /* sync interface state */
547 struct mutex intf_state_mutex;
548 unsigned long intf_state;
549 void (*event) (struct mlx5_core_dev *dev,
550 enum mlx5_dev_event event,
551 unsigned long param);
552 struct mlx5_priv priv;
553 struct mlx5_profile *profile;
554 atomic_t num_qps;
555 u32 issi;
556};
557
558struct mlx5_db {
559 __be32 *db;
560 union {
561 struct mlx5_db_pgdir *pgdir;
562 struct mlx5_ib_user_db_page *user_page;
563 } u;
564 dma_addr_t dma;
565 int index;
566};
567
568enum {
569 MLX5_DB_PER_PAGE = PAGE_SIZE / L1_CACHE_BYTES,
570};
571
572enum {
573 MLX5_COMP_EQ_SIZE = 1024,
574};
575
576enum {
577 MLX5_PTYS_IB = 1 << 0,
578 MLX5_PTYS_EN = 1 << 2,
579};
580
581struct mlx5_db_pgdir {
582 struct list_head list;
583 DECLARE_BITMAP(bitmap, MLX5_DB_PER_PAGE);
584 __be32 *db_page;
585 dma_addr_t db_dma;
586};
587
588typedef void (*mlx5_cmd_cbk_t)(int status, void *context);
589
590struct mlx5_cmd_work_ent {
591 struct mlx5_cmd_msg *in;
592 struct mlx5_cmd_msg *out;
593 void *uout;
594 int uout_size;
595 mlx5_cmd_cbk_t callback;
596 void *context;
597 int idx;
598 struct completion done;
599 struct mlx5_cmd *cmd;
600 struct work_struct work;
601 struct mlx5_cmd_layout *lay;
602 int ret;
603 int page_queue;
604 u8 status;
605 u8 token;
606 u64 ts1;
607 u64 ts2;
608 u16 op;
609};
610
611struct mlx5_pas {
612 u64 pa;
613 u8 log_sz;
614};
615
616enum port_state_policy {
617 MLX5_POLICY_DOWN = 0,
618 MLX5_POLICY_UP = 1,
619 MLX5_POLICY_FOLLOW = 2,
620 MLX5_POLICY_INVALID = 0xffffffff
621};
622
623enum phy_port_state {
624 MLX5_AAA_111
625};
626
627struct mlx5_hca_vport_context {
628 u32 field_select;
629 bool sm_virt_aware;
630 bool has_smi;
631 bool has_raw;
632 enum port_state_policy policy;
633 enum phy_port_state phys_state;
634 enum ib_port_state vport_state;
635 u8 port_physical_state;
636 u64 sys_image_guid;
637 u64 port_guid;
638 u64 node_guid;
639 u32 cap_mask1;
640 u32 cap_mask1_perm;
641 u32 cap_mask2;
642 u32 cap_mask2_perm;
643 u16 lid;
644 u8 init_type_reply; /* bitmask: see ib spec 14.2.5.6 InitTypeReply */
645 u8 lmc;
646 u8 subnet_timeout;
647 u16 sm_lid;
648 u8 sm_sl;
649 u16 qkey_violation_counter;
650 u16 pkey_violation_counter;
651 bool grh_required;
652};
653
654static inline void *mlx5_buf_offset(struct mlx5_buf *buf, int offset)
655{
656 return buf->direct.buf + offset;
657}
658
659extern struct workqueue_struct *mlx5_core_wq;
660
661#define STRUCT_FIELD(header, field) \
662 .struct_offset_bytes = offsetof(struct ib_unpacked_ ## header, field), \
663 .struct_size_bytes = sizeof((struct ib_unpacked_ ## header *)0)->field
664
665static inline struct mlx5_core_dev *pci2mlx5_core_dev(struct pci_dev *pdev)
666{
667 return pci_get_drvdata(pdev);
668}
669
670extern struct dentry *mlx5_debugfs_root;
671
672static inline u16 fw_rev_maj(struct mlx5_core_dev *dev)
673{
674 return ioread32be(&dev->iseg->fw_rev) & 0xffff;
675}
676
677static inline u16 fw_rev_min(struct mlx5_core_dev *dev)
678{
679 return ioread32be(&dev->iseg->fw_rev) >> 16;
680}
681
682static inline u16 fw_rev_sub(struct mlx5_core_dev *dev)
683{
684 return ioread32be(&dev->iseg->cmdif_rev_fw_sub) & 0xffff;
685}
686
687static inline u16 cmdif_rev(struct mlx5_core_dev *dev)
688{
689 return ioread32be(&dev->iseg->cmdif_rev_fw_sub) >> 16;
690}
691
692static inline void *mlx5_vzalloc(unsigned long size)
693{
694 void *rtn;
695
696 rtn = kzalloc(size, GFP_KERNEL | __GFP_NOWARN);
697 if (!rtn)
698 rtn = vzalloc(size);
699 return rtn;
700}
701
702static inline u32 mlx5_base_mkey(const u32 key)
703{
704 return key & 0xffffff00u;
705}
706
707int mlx5_cmd_init(struct mlx5_core_dev *dev);
708void mlx5_cmd_cleanup(struct mlx5_core_dev *dev);
709void mlx5_cmd_use_events(struct mlx5_core_dev *dev);
710void mlx5_cmd_use_polling(struct mlx5_core_dev *dev);
711int mlx5_cmd_status_to_err(struct mlx5_outbox_hdr *hdr);
712int mlx5_cmd_status_to_err_v2(void *ptr);
713int mlx5_core_get_caps(struct mlx5_core_dev *dev, enum mlx5_cap_type cap_type);
714int mlx5_cmd_exec(struct mlx5_core_dev *dev, void *in, int in_size, void *out,
715 int out_size);
716int mlx5_cmd_exec_cb(struct mlx5_core_dev *dev, void *in, int in_size,
717 void *out, int out_size, mlx5_cmd_cbk_t callback,
718 void *context);
719int mlx5_cmd_alloc_uar(struct mlx5_core_dev *dev, u32 *uarn);
720int mlx5_cmd_free_uar(struct mlx5_core_dev *dev, u32 uarn);
721int mlx5_alloc_uuars(struct mlx5_core_dev *dev, struct mlx5_uuar_info *uuari);
722int mlx5_free_uuars(struct mlx5_core_dev *dev, struct mlx5_uuar_info *uuari);
723int mlx5_alloc_map_uar(struct mlx5_core_dev *mdev, struct mlx5_uar *uar,
724 bool map_wc);
725void mlx5_unmap_free_uar(struct mlx5_core_dev *mdev, struct mlx5_uar *uar);
726void mlx5_health_cleanup(struct mlx5_core_dev *dev);
727int mlx5_health_init(struct mlx5_core_dev *dev);
728void mlx5_start_health_poll(struct mlx5_core_dev *dev);
729void mlx5_stop_health_poll(struct mlx5_core_dev *dev);
730int mlx5_buf_alloc_node(struct mlx5_core_dev *dev, int size,
731 struct mlx5_buf *buf, int node);
732int mlx5_buf_alloc(struct mlx5_core_dev *dev, int size, struct mlx5_buf *buf);
733void mlx5_buf_free(struct mlx5_core_dev *dev, struct mlx5_buf *buf);
734struct mlx5_cmd_mailbox *mlx5_alloc_cmd_mailbox_chain(struct mlx5_core_dev *dev,
735 gfp_t flags, int npages);
736void mlx5_free_cmd_mailbox_chain(struct mlx5_core_dev *dev,
737 struct mlx5_cmd_mailbox *head);
738int mlx5_core_create_srq(struct mlx5_core_dev *dev, struct mlx5_core_srq *srq,
739 struct mlx5_create_srq_mbox_in *in, int inlen,
740 int is_xrc);
741int mlx5_core_destroy_srq(struct mlx5_core_dev *dev, struct mlx5_core_srq *srq);
742int mlx5_core_query_srq(struct mlx5_core_dev *dev, struct mlx5_core_srq *srq,
743 struct mlx5_query_srq_mbox_out *out);
744int mlx5_core_arm_srq(struct mlx5_core_dev *dev, struct mlx5_core_srq *srq,
745 u16 lwm, int is_srq);
746void mlx5_init_mkey_table(struct mlx5_core_dev *dev);
747void mlx5_cleanup_mkey_table(struct mlx5_core_dev *dev);
748int mlx5_core_create_mkey(struct mlx5_core_dev *dev,
749 struct mlx5_core_mkey *mkey,
750 struct mlx5_create_mkey_mbox_in *in, int inlen,
751 mlx5_cmd_cbk_t callback, void *context,
752 struct mlx5_create_mkey_mbox_out *out);
753int mlx5_core_destroy_mkey(struct mlx5_core_dev *dev,
754 struct mlx5_core_mkey *mkey);
755int mlx5_core_query_mkey(struct mlx5_core_dev *dev, struct mlx5_core_mkey *mkey,
756 struct mlx5_query_mkey_mbox_out *out, int outlen);
757int mlx5_core_dump_fill_mkey(struct mlx5_core_dev *dev, struct mlx5_core_mkey *_mkey,
758 u32 *mkey);
759int mlx5_core_alloc_pd(struct mlx5_core_dev *dev, u32 *pdn);
760int mlx5_core_dealloc_pd(struct mlx5_core_dev *dev, u32 pdn);
761int mlx5_core_mad_ifc(struct mlx5_core_dev *dev, const void *inb, void *outb,
762 u16 opmod, u8 port);
763void mlx5_pagealloc_init(struct mlx5_core_dev *dev);
764void mlx5_pagealloc_cleanup(struct mlx5_core_dev *dev);
765int mlx5_pagealloc_start(struct mlx5_core_dev *dev);
766void mlx5_pagealloc_stop(struct mlx5_core_dev *dev);
767int mlx5_sriov_init(struct mlx5_core_dev *dev);
768int mlx5_sriov_cleanup(struct mlx5_core_dev *dev);
769void mlx5_core_req_pages_handler(struct mlx5_core_dev *dev, u16 func_id,
770 s32 npages);
771int mlx5_satisfy_startup_pages(struct mlx5_core_dev *dev, int boot);
772int mlx5_reclaim_startup_pages(struct mlx5_core_dev *dev);
773void mlx5_register_debugfs(void);
774void mlx5_unregister_debugfs(void);
775int mlx5_eq_init(struct mlx5_core_dev *dev);
776void mlx5_eq_cleanup(struct mlx5_core_dev *dev);
777void mlx5_fill_page_array(struct mlx5_buf *buf, __be64 *pas);
778void mlx5_cq_completion(struct mlx5_core_dev *dev, u32 cqn);
779void mlx5_rsc_event(struct mlx5_core_dev *dev, u32 rsn, int event_type);
780#ifdef CONFIG_INFINIBAND_ON_DEMAND_PAGING
781void mlx5_eq_pagefault(struct mlx5_core_dev *dev, struct mlx5_eqe *eqe);
782#endif
783void mlx5_srq_event(struct mlx5_core_dev *dev, u32 srqn, int event_type);
784struct mlx5_core_srq *mlx5_core_get_srq(struct mlx5_core_dev *dev, u32 srqn);
785void mlx5_cmd_comp_handler(struct mlx5_core_dev *dev, u64 vec);
786void mlx5_cq_event(struct mlx5_core_dev *dev, u32 cqn, int event_type);
787int mlx5_create_map_eq(struct mlx5_core_dev *dev, struct mlx5_eq *eq, u8 vecidx,
788 int nent, u64 mask, const char *name, struct mlx5_uar *uar);
789int mlx5_destroy_unmap_eq(struct mlx5_core_dev *dev, struct mlx5_eq *eq);
790int mlx5_start_eqs(struct mlx5_core_dev *dev);
791int mlx5_stop_eqs(struct mlx5_core_dev *dev);
792int mlx5_vector2eqn(struct mlx5_core_dev *dev, int vector, int *eqn,
793 unsigned int *irqn);
794int mlx5_core_attach_mcg(struct mlx5_core_dev *dev, union ib_gid *mgid, u32 qpn);
795int mlx5_core_detach_mcg(struct mlx5_core_dev *dev, union ib_gid *mgid, u32 qpn);
796
797int mlx5_qp_debugfs_init(struct mlx5_core_dev *dev);
798void mlx5_qp_debugfs_cleanup(struct mlx5_core_dev *dev);
799int mlx5_core_access_reg(struct mlx5_core_dev *dev, void *data_in,
800 int size_in, void *data_out, int size_out,
801 u16 reg_num, int arg, int write);
802
803int mlx5_debug_eq_add(struct mlx5_core_dev *dev, struct mlx5_eq *eq);
804void mlx5_debug_eq_remove(struct mlx5_core_dev *dev, struct mlx5_eq *eq);
805int mlx5_core_eq_query(struct mlx5_core_dev *dev, struct mlx5_eq *eq,
806 struct mlx5_query_eq_mbox_out *out, int outlen);
807int mlx5_eq_debugfs_init(struct mlx5_core_dev *dev);
808void mlx5_eq_debugfs_cleanup(struct mlx5_core_dev *dev);
809int mlx5_cq_debugfs_init(struct mlx5_core_dev *dev);
810void mlx5_cq_debugfs_cleanup(struct mlx5_core_dev *dev);
811int mlx5_db_alloc(struct mlx5_core_dev *dev, struct mlx5_db *db);
812int mlx5_db_alloc_node(struct mlx5_core_dev *dev, struct mlx5_db *db,
813 int node);
814void mlx5_db_free(struct mlx5_core_dev *dev, struct mlx5_db *db);
815
816const char *mlx5_command_str(int command);
817int mlx5_cmdif_debugfs_init(struct mlx5_core_dev *dev);
818void mlx5_cmdif_debugfs_cleanup(struct mlx5_core_dev *dev);
819int mlx5_core_create_psv(struct mlx5_core_dev *dev, u32 pdn,
820 int npsvs, u32 *sig_index);
821int mlx5_core_destroy_psv(struct mlx5_core_dev *dev, int psv_num);
822void mlx5_core_put_rsc(struct mlx5_core_rsc_common *common);
823int mlx5_query_odp_caps(struct mlx5_core_dev *dev,
824 struct mlx5_odp_caps *odp_caps);
825int mlx5_core_query_ib_ppcnt(struct mlx5_core_dev *dev,
826 u8 port_num, void *out, size_t sz);
827
828static inline int fw_initializing(struct mlx5_core_dev *dev)
829{
830 return ioread32be(&dev->iseg->initializing) >> 31;
831}
832
833static inline u32 mlx5_mkey_to_idx(u32 mkey)
834{
835 return mkey >> 8;
836}
837
838static inline u32 mlx5_idx_to_mkey(u32 mkey_idx)
839{
840 return mkey_idx << 8;
841}
842
843static inline u8 mlx5_mkey_variant(u32 mkey)
844{
845 return mkey & 0xff;
846}
847
848enum {
849 MLX5_PROF_MASK_QP_SIZE = (u64)1 << 0,
850 MLX5_PROF_MASK_MR_CACHE = (u64)1 << 1,
851};
852
853enum {
854 MAX_MR_CACHE_ENTRIES = 16,
855};
856
857enum {
858 MLX5_INTERFACE_PROTOCOL_IB = 0,
859 MLX5_INTERFACE_PROTOCOL_ETH = 1,
860};
861
862struct mlx5_interface {
863 void * (*add)(struct mlx5_core_dev *dev);
864 void (*remove)(struct mlx5_core_dev *dev, void *context);
865 void (*event)(struct mlx5_core_dev *dev, void *context,
866 enum mlx5_dev_event event, unsigned long param);
867 void * (*get_dev)(void *context);
868 int protocol;
869 struct list_head list;
870};
871
872void *mlx5_get_protocol_dev(struct mlx5_core_dev *mdev, int protocol);
873int mlx5_register_interface(struct mlx5_interface *intf);
874void mlx5_unregister_interface(struct mlx5_interface *intf);
875int mlx5_core_query_vendor_id(struct mlx5_core_dev *mdev, u32 *vendor_id);
876
877struct mlx5_profile {
878 u64 mask;
879 u8 log_max_qp;
880 struct {
881 int size;
882 int limit;
883 } mr_cache[MAX_MR_CACHE_ENTRIES];
884};
885
886enum {
887 MLX5_PCI_DEV_IS_VF = 1 << 0,
888};
889
890static inline int mlx5_core_is_pf(struct mlx5_core_dev *dev)
891{
892 return !(dev->priv.pci_dev_data & MLX5_PCI_DEV_IS_VF);
893}
894
895static inline int mlx5_get_gid_table_len(u16 param)
896{
897 if (param > 4) {
898 pr_warn("gid table length is zero\n");
899 return 0;
900 }
901
902 return 8 * (1 << param);
903}
904
905enum {
906 MLX5_TRIGGERED_CMD_COMP = (u64)1 << 32,
907};
908
909#endif /* MLX5_DRIVER_H */