1 /*-
2 * Copyright (c) 2013-2019, Mellanox Technologies, Ltd. All rights reserved.
3 * Copyright (c) 2022 NVIDIA corporation & affiliates.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY AUTHOR AND CONTRIBUTORS `AS IS' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 */
26
27 #ifndef MLX5_DRIVER_H
28 #define MLX5_DRIVER_H
29
30 #include "opt_ratelimit.h"
31
32 #include <linux/kernel.h>
33 #include <linux/completion.h>
34 #include <linux/pci.h>
35 #include <linux/cache.h>
36 #include <linux/rbtree.h>
37 #include <linux/if_ether.h>
38 #include <linux/semaphore.h>
39 #include <linux/slab.h>
40 #include <linux/vmalloc.h>
41 #include <linux/radix-tree.h>
42 #include <linux/idr.h>
43 #include <linux/wait.h>
44
45 #include <dev/mlx5/device.h>
46 #include <dev/mlx5/doorbell.h>
47 #include <dev/mlx5/srq.h>
48
49 #define MLX5_QCOUNTER_SETS_NETDEV 64
50 #define MLX5_MAX_NUMBER_OF_VFS 128
51
52 #define MLX5_INVALID_QUEUE_HANDLE 0xffffffff
53 #define MLX5_ST_SZ_BYTES(typ) (sizeof(struct mlx5_ifc_##typ##_bits) / 8)
54
55 enum {
56 MLX5_BOARD_ID_LEN = 64,
57 MLX5_MAX_NAME_LEN = 16,
58 };
59
60 enum {
61 MLX5_CMD_TIMEOUT_MSEC = 60 * 1000,
62 };
63
64 enum {
65 CMD_OWNER_SW = 0x0,
66 CMD_OWNER_HW = 0x1,
67 CMD_STATUS_SUCCESS = 0,
68 };
69
70 enum mlx5_sqp_t {
71 MLX5_SQP_SMI = 0,
72 MLX5_SQP_GSI = 1,
73 MLX5_SQP_IEEE_1588 = 2,
74 MLX5_SQP_SNIFFER = 3,
75 MLX5_SQP_SYNC_UMR = 4,
76 };
77
78 enum {
79 MLX5_MAX_PORTS = 2,
80 };
81
82 enum {
83 MLX5_EQ_VEC_PAGES = 0,
84 MLX5_EQ_VEC_CMD = 1,
85 MLX5_EQ_VEC_ASYNC = 2,
86 MLX5_EQ_VEC_COMP_BASE,
87 };
88
89 enum {
90 MLX5_ATOMIC_MODE_OFF = 16,
91 MLX5_ATOMIC_MODE_NONE = 0 << MLX5_ATOMIC_MODE_OFF,
92 MLX5_ATOMIC_MODE_IB_COMP = 1 << MLX5_ATOMIC_MODE_OFF,
93 MLX5_ATOMIC_MODE_CX = 2 << MLX5_ATOMIC_MODE_OFF,
94 MLX5_ATOMIC_MODE_8B = 3 << MLX5_ATOMIC_MODE_OFF,
95 MLX5_ATOMIC_MODE_16B = 4 << MLX5_ATOMIC_MODE_OFF,
96 MLX5_ATOMIC_MODE_32B = 5 << MLX5_ATOMIC_MODE_OFF,
97 MLX5_ATOMIC_MODE_64B = 6 << MLX5_ATOMIC_MODE_OFF,
98 MLX5_ATOMIC_MODE_128B = 7 << MLX5_ATOMIC_MODE_OFF,
99 MLX5_ATOMIC_MODE_256B = 8 << MLX5_ATOMIC_MODE_OFF,
100 };
101
102 enum {
103 MLX5_ATOMIC_MODE_DCT_OFF = 20,
104 MLX5_ATOMIC_MODE_DCT_NONE = 0 << MLX5_ATOMIC_MODE_DCT_OFF,
105 MLX5_ATOMIC_MODE_DCT_IB_COMP = 1 << MLX5_ATOMIC_MODE_DCT_OFF,
106 MLX5_ATOMIC_MODE_DCT_CX = 2 << MLX5_ATOMIC_MODE_DCT_OFF,
107 MLX5_ATOMIC_MODE_DCT_8B = 3 << MLX5_ATOMIC_MODE_DCT_OFF,
108 MLX5_ATOMIC_MODE_DCT_16B = 4 << MLX5_ATOMIC_MODE_DCT_OFF,
109 MLX5_ATOMIC_MODE_DCT_32B = 5 << MLX5_ATOMIC_MODE_DCT_OFF,
110 MLX5_ATOMIC_MODE_DCT_64B = 6 << MLX5_ATOMIC_MODE_DCT_OFF,
111 MLX5_ATOMIC_MODE_DCT_128B = 7 << MLX5_ATOMIC_MODE_DCT_OFF,
112 MLX5_ATOMIC_MODE_DCT_256B = 8 << MLX5_ATOMIC_MODE_DCT_OFF,
113 };
114
115 enum {
116 MLX5_ATOMIC_OPS_CMP_SWAP = 1 << 0,
117 MLX5_ATOMIC_OPS_FETCH_ADD = 1 << 1,
118 MLX5_ATOMIC_OPS_MASKED_CMP_SWAP = 1 << 2,
119 MLX5_ATOMIC_OPS_MASKED_FETCH_ADD = 1 << 3,
120 };
121
122 enum {
123 MLX5_REG_QPTS = 0x4002,
124 MLX5_REG_QETCR = 0x4005,
125 MLX5_REG_QPDP = 0x4007,
126 MLX5_REG_QTCT = 0x400A,
127 MLX5_REG_QPDPM = 0x4013,
128 MLX5_REG_QHLL = 0x4016,
129 MLX5_REG_QCAM = 0x4019,
130 MLX5_REG_DCBX_PARAM = 0x4020,
131 MLX5_REG_DCBX_APP = 0x4021,
132 MLX5_REG_FPGA_CAP = 0x4022,
133 MLX5_REG_FPGA_CTRL = 0x4023,
134 MLX5_REG_FPGA_ACCESS_REG = 0x4024,
135 MLX5_REG_FPGA_SHELL_CNTR = 0x4025,
136 MLX5_REG_PCAP = 0x5001,
137 MLX5_REG_PMLP = 0x5002,
138 MLX5_REG_PMTU = 0x5003,
139 MLX5_REG_PTYS = 0x5004,
140 MLX5_REG_PAOS = 0x5006,
141 MLX5_REG_PFCC = 0x5007,
142 MLX5_REG_PPCNT = 0x5008,
143 MLX5_REG_PUDE = 0x5009,
144 MLX5_REG_PPTB = 0x500B,
145 MLX5_REG_PBMC = 0x500C,
146 MLX5_REG_PELC = 0x500E,
147 MLX5_REG_PVLC = 0x500F,
148 MLX5_REG_PMPE = 0x5010,
149 MLX5_REG_PMAOS = 0x5012,
150 MLX5_REG_PPLM = 0x5023,
151 MLX5_REG_PDDR = 0x5031,
152 MLX5_REG_PBSR = 0x5038,
153 MLX5_REG_PCAM = 0x507f,
154 MLX5_REG_NODE_DESC = 0x6001,
155 MLX5_REG_HOST_ENDIANNESS = 0x7004,
156 MLX5_REG_MTMP = 0x900a,
157 MLX5_REG_MCIA = 0x9014,
158 MLX5_REG_MFRL = 0x9028,
159 MLX5_REG_MPCNT = 0x9051,
160 MLX5_REG_MCQI = 0x9061,
161 MLX5_REG_MCC = 0x9062,
162 MLX5_REG_MCDA = 0x9063,
163 MLX5_REG_MCAM = 0x907f,
164 };
165
166 enum dbg_rsc_type {
167 MLX5_DBG_RSC_QP,
168 MLX5_DBG_RSC_EQ,
169 MLX5_DBG_RSC_CQ,
170 };
171
172 enum {
173 MLX5_INTERFACE_PROTOCOL_IB = 0,
174 MLX5_INTERFACE_PROTOCOL_ETH = 1,
175 MLX5_INTERFACE_NUMBER = 2,
176 };
177
178 struct mlx5_field_desc {
179 int i;
180 };
181
182 struct mlx5_rsc_debug {
183 struct mlx5_core_dev *dev;
184 void *object;
185 enum dbg_rsc_type type;
186 struct mlx5_field_desc fields[0];
187 };
188
189 enum mlx5_dev_event {
190 MLX5_DEV_EVENT_SYS_ERROR,
191 MLX5_DEV_EVENT_PORT_UP,
192 MLX5_DEV_EVENT_PORT_DOWN,
193 MLX5_DEV_EVENT_PORT_INITIALIZED,
194 MLX5_DEV_EVENT_LID_CHANGE,
195 MLX5_DEV_EVENT_PKEY_CHANGE,
196 MLX5_DEV_EVENT_GUID_CHANGE,
197 MLX5_DEV_EVENT_CLIENT_REREG,
198 MLX5_DEV_EVENT_VPORT_CHANGE,
199 MLX5_DEV_EVENT_ERROR_STATE_DCBX,
200 MLX5_DEV_EVENT_REMOTE_CONFIG_CHANGE,
201 MLX5_DEV_EVENT_LOCAL_OPER_CHANGE,
202 MLX5_DEV_EVENT_REMOTE_CONFIG_APPLICATION_PRIORITY_CHANGE,
203 };
204
205 enum mlx5_port_status {
206 MLX5_PORT_UP = 1 << 0,
207 MLX5_PORT_DOWN = 1 << 1,
208 };
209
210 enum {
211 MLX5_VSC_SPACE_SUPPORTED = 0x1,
212 MLX5_VSC_SPACE_OFFSET = 0x4,
213 MLX5_VSC_COUNTER_OFFSET = 0x8,
214 MLX5_VSC_SEMA_OFFSET = 0xC,
215 MLX5_VSC_ADDR_OFFSET = 0x10,
216 MLX5_VSC_DATA_OFFSET = 0x14,
217 MLX5_VSC_MAX_RETRIES = 0x1000,
218 };
219
220 #define MLX5_PROT_MASK(link_mode) (1 << link_mode)
221
222 struct mlx5_cmd_first {
223 __be32 data[4];
224 };
225
226 struct cache_ent;
227 struct mlx5_fw_page {
228 union {
229 struct rb_node rb_node;
230 struct list_head list;
231 };
232 struct mlx5_cmd_first first;
233 struct mlx5_core_dev *dev;
234 bus_dmamap_t dma_map;
235 bus_addr_t dma_addr;
236 void *virt_addr;
237 struct cache_ent *cache;
238 u32 numpages;
239 u16 load_done;
240 #define MLX5_LOAD_ST_NONE 0
241 #define MLX5_LOAD_ST_SUCCESS 1
242 #define MLX5_LOAD_ST_FAILURE 2
243 u16 func_id;
244 };
245 #define mlx5_cmd_msg mlx5_fw_page
246
247 struct mlx5_cmd_debug {
248 void *in_msg;
249 void *out_msg;
250 u8 status;
251 u16 inlen;
252 u16 outlen;
253 };
254
255 struct cache_ent {
256 /* protect block chain allocations
257 */
258 spinlock_t lock;
259 struct list_head head;
260 };
261
262 struct cmd_msg_cache {
263 struct cache_ent large;
264 struct cache_ent med;
265
266 };
267
268 struct mlx5_traffic_counter {
269 u64 packets;
270 u64 octets;
271 };
272
273 struct mlx5_fc_pool {
274 struct mlx5_core_dev *dev;
275 struct mutex pool_lock; /* protects pool lists */
276 struct list_head fully_used;
277 struct list_head partially_used;
278 struct list_head unused;
279 int available_fcs;
280 int used_fcs;
281 int threshold;
282 };
283
284 struct mlx5_fc_stats {
285 spinlock_t counters_idr_lock; /* protects counters_idr */
286 struct idr counters_idr;
287 struct list_head counters;
288 struct llist_head addlist;
289 struct llist_head dellist;
290
291 struct workqueue_struct *wq;
292 struct delayed_work work;
293 unsigned long next_query;
294 unsigned long sampling_interval; /* jiffies */
295 u32 *bulk_query_out;
296 int bulk_query_len;
297 size_t num_counters;
298 bool bulk_query_alloc_failed;
299 unsigned long next_bulk_query_alloc;
300 struct mlx5_fc_pool fc_pool;
301 };
302
303 enum mlx5_cmd_mode {
304 MLX5_CMD_MODE_POLLING,
305 MLX5_CMD_MODE_EVENTS
306 };
307
308 struct mlx5_cmd_stats {
309 u64 sum;
310 u64 n;
311 /* protect command average calculations */
312 spinlock_t lock;
313 };
314
315 struct mlx5_cmd {
316 struct mlx5_fw_page *cmd_page;
317 bus_dma_tag_t dma_tag;
318 struct sx dma_sx;
319 struct mtx dma_mtx;
320 #define MLX5_DMA_OWNED(dev) mtx_owned(&(dev)->cmd.dma_mtx)
321 #define MLX5_DMA_LOCK(dev) mtx_lock(&(dev)->cmd.dma_mtx)
322 #define MLX5_DMA_UNLOCK(dev) mtx_unlock(&(dev)->cmd.dma_mtx)
323 struct cv dma_cv;
324 #define MLX5_DMA_DONE(dev) cv_broadcast(&(dev)->cmd.dma_cv)
325 #define MLX5_DMA_WAIT(dev) cv_wait(&(dev)->cmd.dma_cv, &(dev)->cmd.dma_mtx)
326 void *cmd_buf;
327 dma_addr_t dma;
328 u16 cmdif_rev;
329 u8 log_sz;
330 u8 log_stride;
331 int max_reg_cmds;
332 int events;
333 u32 __iomem *vector;
334
335 /* protect command queue allocations
336 */
337 spinlock_t alloc_lock;
338
339 /* protect token allocations
340 */
341 spinlock_t token_lock;
342 u8 token;
343 unsigned long bitmask;
344 struct semaphore sem;
345 struct semaphore pages_sem;
346 enum mlx5_cmd_mode mode;
347 struct mlx5_cmd_work_ent * volatile ent_arr[MLX5_MAX_COMMANDS];
348 volatile enum mlx5_cmd_mode ent_mode[MLX5_MAX_COMMANDS];
349 struct mlx5_cmd_debug dbg;
350 struct cmd_msg_cache cache;
351 int checksum_disabled;
352 struct mlx5_cmd_stats stats[MLX5_CMD_OP_MAX];
353 };
354
355 struct mlx5_port_caps {
356 int gid_table_len;
357 int pkey_table_len;
358 u8 ext_port_cap;
359 };
360
361 struct mlx5_buf {
362 bus_dma_tag_t dma_tag;
363 bus_dmamap_t dma_map;
364 struct mlx5_core_dev *dev;
365 struct {
366 void *buf;
367 } direct;
368 u64 *page_list;
369 int npages;
370 int size;
371 u8 page_shift;
372 u8 load_done;
373 };
374
375 struct mlx5_frag_buf {
376 struct mlx5_buf_list *frags;
377 int npages;
378 int size;
379 u8 page_shift;
380 };
381
382 struct mlx5_eq {
383 struct mlx5_core_dev *dev;
384 __be32 __iomem *doorbell;
385 u32 cons_index;
386 struct mlx5_buf buf;
387 int size;
388 u8 irqn;
389 u8 eqn;
390 int nent;
391 u64 mask;
392 struct list_head list;
393 int index;
394 struct mlx5_rsc_debug *dbg;
395 };
396
397 struct mlx5_core_psv {
398 u32 psv_idx;
399 struct psv_layout {
400 u32 pd;
401 u16 syndrome;
402 u16 reserved;
403 u16 bg;
404 u16 app_tag;
405 u32 ref_tag;
406 } psv;
407 };
408
409 struct mlx5_core_sig_ctx {
410 struct mlx5_core_psv psv_memory;
411 struct mlx5_core_psv psv_wire;
412 struct ib_sig_err err_item;
413 bool sig_status_checked;
414 bool sig_err_exists;
415 u32 sigerr_count;
416 };
417
418 enum {
419 MLX5_MKEY_MR = 1,
420 MLX5_MKEY_MW,
421 MLX5_MKEY_INDIRECT_DEVX,
422 };
423
424 struct mlx5_core_mkey {
425 u64 iova;
426 u64 size;
427 u32 key;
428 u32 pd;
429 u32 type;
430 };
431
432 enum mlx5_res_type {
433 MLX5_RES_QP = MLX5_EVENT_QUEUE_TYPE_QP,
434 MLX5_RES_RQ = MLX5_EVENT_QUEUE_TYPE_RQ,
435 MLX5_RES_SQ = MLX5_EVENT_QUEUE_TYPE_SQ,
436 MLX5_RES_SRQ = 3,
437 MLX5_RES_XSRQ = 4,
438 MLX5_RES_XRQ = 5,
439 MLX5_RES_DCT = MLX5_EVENT_QUEUE_TYPE_DCT,
440 };
441
442 struct mlx5_core_rsc_common {
443 enum mlx5_res_type res;
444 atomic_t refcount;
445 struct completion free;
446 };
447
448 struct mlx5_uars_page {
449 void __iomem *map;
450 bool wc;
451 u32 index;
452 struct list_head list;
453 unsigned int bfregs;
454 unsigned long *reg_bitmap; /* for non fast path bf regs */
455 unsigned long *fp_bitmap;
456 unsigned int reg_avail;
457 unsigned int fp_avail;
458 struct kref ref_count;
459 struct mlx5_core_dev *mdev;
460 };
461
462 struct mlx5_bfreg_head {
463 /* protect blue flame registers allocations */
464 struct mutex lock;
465 struct list_head list;
466 };
467
468 struct mlx5_bfreg_data {
469 struct mlx5_bfreg_head reg_head;
470 struct mlx5_bfreg_head wc_head;
471 };
472
473 struct mlx5_sq_bfreg {
474 void __iomem *map;
475 struct mlx5_uars_page *up;
476 bool wc;
477 u32 index;
478 unsigned int offset;
479 };
480
481 struct mlx5_core_srq {
482 struct mlx5_core_rsc_common common; /* must be first */
483 u32 srqn;
484 int max;
485 size_t max_gs;
486 size_t max_avail_gather;
487 int wqe_shift;
488 void (*event)(struct mlx5_core_srq *, int);
489 atomic_t refcount;
490 struct completion free;
491 };
492
493 struct mlx5_ib_dev;
494 struct mlx5_eq_table {
495 void __iomem *update_ci;
496 void __iomem *update_arm_ci;
497 struct list_head comp_eqs_list;
498 struct mlx5_eq pages_eq;
499 struct mlx5_eq async_eq;
500 struct mlx5_eq cmd_eq;
501 int num_comp_vectors;
502 spinlock_t lock; /* protect EQs list */
503 struct mlx5_ib_dev *dev; /* for devx event notifier */
504 bool (*cb)(struct mlx5_core_dev *mdev,
505 uint8_t event_type, void *data);
506 };
507
508 struct mlx5_core_health {
509 struct mlx5_health_buffer __iomem *health;
510 __be32 __iomem *health_counter;
511 struct timer_list timer;
512 u32 prev;
513 int miss_counter;
514 u32 fatal_error;
515 struct workqueue_struct *wq_watchdog;
516 struct work_struct work_watchdog;
517 /* wq spinlock to synchronize draining */
518 spinlock_t wq_lock;
519 struct workqueue_struct *wq;
520 unsigned long flags;
521 struct work_struct work;
522 struct delayed_work recover_work;
523 unsigned int last_reset_req;
524 struct work_struct work_cmd_completion;
525 struct workqueue_struct *wq_cmd;
526 };
527
528 #define MLX5_CQ_LINEAR_ARRAY_SIZE 1024
529
530 struct mlx5_cq_linear_array_entry {
531 struct mlx5_core_cq * volatile cq;
532 };
533
534 struct mlx5_cq_table {
535 /* protect radix tree
536 */
537 spinlock_t writerlock;
538 atomic_t writercount;
539 struct radix_tree_root tree;
540 struct mlx5_cq_linear_array_entry linear_array[MLX5_CQ_LINEAR_ARRAY_SIZE];
541 };
542
543 struct mlx5_qp_table {
544 /* protect radix tree
545 */
546 spinlock_t lock;
547 struct radix_tree_root tree;
548 };
549
550 struct mlx5_srq_table {
551 /* protect radix tree
552 */
553 spinlock_t lock;
554 struct radix_tree_root tree;
555 };
556
557 struct mlx5_mr_table {
558 /* protect radix tree
559 */
560 spinlock_t lock;
561 struct radix_tree_root tree;
562 };
563
564 #ifdef RATELIMIT
565 struct mlx5_rl_entry {
566 u32 rate;
567 u16 burst;
568 u16 index;
569 u32 qos_handle; /* schedule queue handle */
570 u32 refcount;
571 };
572
573 struct mlx5_rl_table {
574 struct mutex rl_lock;
575 u16 max_size;
576 u32 max_rate;
577 u32 min_rate;
578 struct mlx5_rl_entry *rl_entry;
579 };
580 #endif
581
582 struct mlx5_pme_stats {
583 u64 status_counters[MLX5_MODULE_STATUS_NUM];
584 u64 error_counters[MLX5_MODULE_EVENT_ERROR_NUM];
585 };
586
587 struct mlx5_priv {
588 char name[MLX5_MAX_NAME_LEN];
589 struct mlx5_eq_table eq_table;
590 struct msix_entry *msix_arr;
591 MLX5_DECLARE_DOORBELL_LOCK(cq_uar_lock);
592 int disable_irqs;
593
594 /* pages stuff */
595 struct workqueue_struct *pg_wq;
596 struct rb_root page_root;
597 s64 fw_pages;
598 atomic_t reg_pages;
599 s64 pages_per_func[MLX5_MAX_NUMBER_OF_VFS];
600 struct mlx5_core_health health;
601
602 struct mlx5_srq_table srq_table;
603
604 /* start: qp staff */
605 struct mlx5_qp_table qp_table;
606
607 /* end: qp staff */
608
609 /* start: cq staff */
610 struct mlx5_cq_table cq_table;
611 /* end: cq staff */
612
613 /* start: mr staff */
614 struct mlx5_mr_table mr_table;
615 /* end: mr staff */
616
617 /* start: alloc staff */
618 int numa_node;
619
620 struct mutex pgdir_mutex;
621 struct list_head pgdir_list;
622 /* end: alloc staff */
623
624 /* protect mkey key part */
625 spinlock_t mkey_lock;
626 u8 mkey_key;
627
628 struct list_head dev_list;
629 struct list_head ctx_list;
630 spinlock_t ctx_lock;
631 unsigned long pci_dev_data;
632 #ifdef RATELIMIT
633 struct mlx5_rl_table rl_table;
634 #endif
635 struct mlx5_pme_stats pme_stats;
636
637 struct mlx5_eswitch *eswitch;
638
639 struct mlx5_bfreg_data bfregs;
640 struct mlx5_uars_page *uar;
641 struct mlx5_fc_stats fc_stats;
642 };
643
644 enum mlx5_device_state {
645 MLX5_DEVICE_STATE_UP,
646 MLX5_DEVICE_STATE_INTERNAL_ERROR,
647 };
648
649 enum mlx5_interface_state {
650 MLX5_INTERFACE_STATE_UP = 0x1,
651 MLX5_INTERFACE_STATE_TEARDOWN = 0x2,
652 };
653
654 enum mlx5_pci_status {
655 MLX5_PCI_STATUS_DISABLED,
656 MLX5_PCI_STATUS_ENABLED,
657 };
658
659 #define MLX5_MAX_RESERVED_GIDS 8
660
661 struct mlx5_rsvd_gids {
662 unsigned int start;
663 unsigned int count;
664 struct ida ida;
665 };
666
667 struct mlx5_special_contexts {
668 int resd_lkey;
669 };
670
671 struct mlx5_diag_cnt_id {
672 u16 id;
673 bool enabled;
674 };
675
676 struct mlx5_diag_cnt {
677 #define DIAG_LOCK(dc) mutex_lock(&(dc)->lock)
678 #define DIAG_UNLOCK(dc) mutex_unlock(&(dc)->lock)
679 struct mutex lock;
680 struct sysctl_ctx_list sysctl_ctx;
681 struct mlx5_diag_cnt_id *cnt_id;
682 u16 num_of_samples;
683 u16 sample_index;
684 u8 num_cnt_id;
685 u8 log_num_of_samples;
686 u8 log_sample_period;
687 u8 flag;
688 u8 ready;
689 };
690
691 struct mlx5_flow_root_namespace;
692 struct mlx5_core_dev {
693 struct pci_dev *pdev;
694 /* sync pci state */
695 struct mutex pci_status_mutex;
696 enum mlx5_pci_status pci_status;
697 char board_id[MLX5_BOARD_ID_LEN];
698 struct mlx5_cmd cmd;
699 struct mlx5_port_caps port_caps[MLX5_MAX_PORTS];
700 u32 hca_caps_cur[MLX5_CAP_NUM][MLX5_UN_SZ_DW(hca_cap_union)];
701 u32 hca_caps_max[MLX5_CAP_NUM][MLX5_UN_SZ_DW(hca_cap_union)];
702 struct {
703 u32 pcam[MLX5_ST_SZ_DW(pcam_reg)];
704 u32 mcam[MLX5_ST_SZ_DW(mcam_reg)];
705 u32 qcam[MLX5_ST_SZ_DW(qcam_reg)];
706 u32 fpga[MLX5_ST_SZ_DW(fpga_cap)];
707 } caps;
708 phys_addr_t iseg_base;
709 struct mlx5_init_seg __iomem *iseg;
710 enum mlx5_device_state state;
711 /* sync interface state */
712 struct mutex intf_state_mutex;
713 unsigned long intf_state;
714 void (*event) (struct mlx5_core_dev *dev,
715 enum mlx5_dev_event event,
716 unsigned long param);
717 struct mlx5_priv priv;
718 struct mlx5_profile *profile;
719 atomic_t num_qps;
720 struct mlx5_diag_cnt diag_cnt;
721 u32 vsc_addr;
722 u32 issi;
723 struct mlx5_special_contexts special_contexts;
724 unsigned int module_status[MLX5_MAX_PORTS];
725 struct mlx5_flow_root_namespace *root_ns;
726 struct mlx5_flow_root_namespace *fdb_root_ns;
727 struct mlx5_flow_root_namespace *esw_egress_root_ns;
728 struct mlx5_flow_root_namespace *esw_ingress_root_ns;
729 struct mlx5_flow_root_namespace *sniffer_rx_root_ns;
730 struct mlx5_flow_root_namespace *sniffer_tx_root_ns;
731 u32 num_q_counter_allocated[MLX5_INTERFACE_NUMBER];
732 struct mlx5_crspace_regmap *dump_rege;
733 uint32_t *dump_data;
734 unsigned dump_size;
735 bool dump_valid;
736 bool dump_copyout;
737 struct mtx dump_lock;
738
739 bool iov_pf;
740
741 struct sysctl_ctx_list sysctl_ctx;
742 int msix_eqvec;
743 int pwr_status;
744 int pwr_value;
745
746 struct {
747 struct mlx5_rsvd_gids reserved_gids;
748 atomic_t roce_en;
749 } roce;
750
751 struct {
752 spinlock_t spinlock;
753 #define MLX5_MPFS_TABLE_MAX 32
754 long bitmap[BITS_TO_LONGS(MLX5_MPFS_TABLE_MAX)];
755 } mpfs;
756 #ifdef CONFIG_MLX5_FPGA
757 struct mlx5_fpga_device *fpga;
758 #endif
759 };
760
761 enum {
762 MLX5_WOL_DISABLE = 0,
763 MLX5_WOL_SECURED_MAGIC = 1 << 1,
764 MLX5_WOL_MAGIC = 1 << 2,
765 MLX5_WOL_ARP = 1 << 3,
766 MLX5_WOL_BROADCAST = 1 << 4,
767 MLX5_WOL_MULTICAST = 1 << 5,
768 MLX5_WOL_UNICAST = 1 << 6,
769 MLX5_WOL_PHY_ACTIVITY = 1 << 7,
770 };
771
772 struct mlx5_db {
773 __be32 *db;
774 union {
775 struct mlx5_db_pgdir *pgdir;
776 struct mlx5_ib_user_db_page *user_page;
777 } u;
778 dma_addr_t dma;
779 int index;
780 };
781
782 struct mlx5_net_counters {
783 u64 packets;
784 u64 octets;
785 };
786
787 struct mlx5_ptys_reg {
788 u8 an_dis_admin;
789 u8 an_dis_ap;
790 u8 local_port;
791 u8 proto_mask;
792 u32 eth_proto_cap;
793 u16 ib_link_width_cap;
794 u16 ib_proto_cap;
795 u32 eth_proto_admin;
796 u16 ib_link_width_admin;
797 u16 ib_proto_admin;
798 u32 eth_proto_oper;
799 u16 ib_link_width_oper;
800 u16 ib_proto_oper;
801 u32 eth_proto_lp_advertise;
802 };
803
804 struct mlx5_pvlc_reg {
805 u8 local_port;
806 u8 vl_hw_cap;
807 u8 vl_admin;
808 u8 vl_operational;
809 };
810
811 struct mlx5_pmtu_reg {
812 u8 local_port;
813 u16 max_mtu;
814 u16 admin_mtu;
815 u16 oper_mtu;
816 };
817
818 struct mlx5_vport_counters {
819 struct mlx5_net_counters received_errors;
820 struct mlx5_net_counters transmit_errors;
821 struct mlx5_net_counters received_ib_unicast;
822 struct mlx5_net_counters transmitted_ib_unicast;
823 struct mlx5_net_counters received_ib_multicast;
824 struct mlx5_net_counters transmitted_ib_multicast;
825 struct mlx5_net_counters received_eth_broadcast;
826 struct mlx5_net_counters transmitted_eth_broadcast;
827 struct mlx5_net_counters received_eth_unicast;
828 struct mlx5_net_counters transmitted_eth_unicast;
829 struct mlx5_net_counters received_eth_multicast;
830 struct mlx5_net_counters transmitted_eth_multicast;
831 };
832
833 enum {
834 MLX5_DB_PER_PAGE = MLX5_ADAPTER_PAGE_SIZE / L1_CACHE_BYTES,
835 };
836
837 struct mlx5_core_dct {
838 struct mlx5_core_rsc_common common; /* must be first */
839 void (*event)(struct mlx5_core_dct *, int);
840 int dctn;
841 struct completion drained;
842 struct mlx5_rsc_debug *dbg;
843 int pid;
844 u16 uid;
845 };
846
847 enum {
848 MLX5_PTYS_IB = 1 << 0,
849 MLX5_PTYS_EN = 1 << 2,
850 };
851
852 struct mlx5_db_pgdir {
853 struct list_head list;
854 DECLARE_BITMAP(bitmap, MLX5_DB_PER_PAGE);
855 struct mlx5_fw_page *fw_page;
856 __be32 *db_page;
857 dma_addr_t db_dma;
858 };
859
860 typedef void (*mlx5_cmd_cbk_t)(int status, void *context);
861
862 struct mlx5_cmd_work_ent {
863 struct mlx5_cmd_msg *in;
864 struct mlx5_cmd_msg *out;
865 int uin_size;
866 void *uout;
867 int uout_size;
868 mlx5_cmd_cbk_t callback;
869 struct delayed_work cb_timeout_work;
870 void *context;
871 int idx;
872 struct completion done;
873 struct mlx5_cmd *cmd;
874 struct work_struct work;
875 struct mlx5_cmd_layout *lay;
876 int ret;
877 int page_queue;
878 u8 status;
879 u8 token;
880 u64 ts1;
881 u64 ts2;
882 u16 op;
883 u8 busy;
884 bool polling;
885 };
886
887 struct mlx5_pas {
888 u64 pa;
889 u8 log_sz;
890 };
891
892 enum port_state_policy {
893 MLX5_POLICY_DOWN = 0,
894 MLX5_POLICY_UP = 1,
895 MLX5_POLICY_FOLLOW = 2,
896 MLX5_POLICY_INVALID = 0xffffffff
897 };
898
899 static inline void *
mlx5_buf_offset(struct mlx5_buf * buf,int offset)900 mlx5_buf_offset(struct mlx5_buf *buf, int offset)
901 {
902 return ((char *)buf->direct.buf + offset);
903 }
904
905
906 extern struct workqueue_struct *mlx5_core_wq;
907
908 #define STRUCT_FIELD(header, field) \
909 .struct_offset_bytes = offsetof(struct ib_unpacked_ ## header, field), \
910 .struct_size_bytes = sizeof((struct ib_unpacked_ ## header *)0)->field
911
pci2mlx5_core_dev(struct pci_dev * pdev)912 static inline struct mlx5_core_dev *pci2mlx5_core_dev(struct pci_dev *pdev)
913 {
914 return pci_get_drvdata(pdev);
915 }
916
fw_rev_maj(struct mlx5_core_dev * dev)917 static inline u16 fw_rev_maj(struct mlx5_core_dev *dev)
918 {
919 return ioread32be(&dev->iseg->fw_rev) & 0xffff;
920 }
921
fw_rev_min(struct mlx5_core_dev * dev)922 static inline u16 fw_rev_min(struct mlx5_core_dev *dev)
923 {
924 return ioread32be(&dev->iseg->fw_rev) >> 16;
925 }
926
fw_rev_sub(struct mlx5_core_dev * dev)927 static inline u16 fw_rev_sub(struct mlx5_core_dev *dev)
928 {
929 return ioread32be(&dev->iseg->cmdif_rev_fw_sub) & 0xffff;
930 }
931
cmdif_rev_get(struct mlx5_core_dev * dev)932 static inline u16 cmdif_rev_get(struct mlx5_core_dev *dev)
933 {
934 return ioread32be(&dev->iseg->cmdif_rev_fw_sub) >> 16;
935 }
936
mlx5_get_gid_table_len(u16 param)937 static inline int mlx5_get_gid_table_len(u16 param)
938 {
939 if (param > 4) {
940 printf("M4_CORE_DRV_NAME: WARN: ""gid table length is zero\n");
941 return 0;
942 }
943
944 return 8 * (1 << param);
945 }
946
mlx5_vzalloc(unsigned long size)947 static inline void *mlx5_vzalloc(unsigned long size)
948 {
949 void *rtn;
950
951 rtn = kzalloc(size, GFP_KERNEL | __GFP_NOWARN);
952 return rtn;
953 }
954
mlx5_vmalloc(unsigned long size)955 static inline void *mlx5_vmalloc(unsigned long size)
956 {
957 void *rtn;
958
959 rtn = kmalloc(size, GFP_KERNEL | __GFP_NOWARN);
960 if (!rtn)
961 rtn = vmalloc(size);
962 return rtn;
963 }
964
mlx5_base_mkey(const u32 key)965 static inline u32 mlx5_base_mkey(const u32 key)
966 {
967 return key & 0xffffff00u;
968 }
969
970 int mlx5_cmd_init(struct mlx5_core_dev *dev);
971 void mlx5_cmd_cleanup(struct mlx5_core_dev *dev);
972 void mlx5_cmd_use_events(struct mlx5_core_dev *dev);
973 void mlx5_cmd_use_polling(struct mlx5_core_dev *dev);
974 void mlx5_cmd_mbox_status(void *out, u8 *status, u32 *syndrome);
975 int mlx5_core_get_caps(struct mlx5_core_dev *dev, enum mlx5_cap_type cap_type);
976
977 struct mlx5_async_ctx {
978 struct mlx5_core_dev *dev;
979 atomic_t num_inflight;
980 struct wait_queue_head wait;
981 };
982
983 struct mlx5_async_work;
984
985 typedef void (*mlx5_async_cbk_t)(int status, struct mlx5_async_work *context);
986
987 struct mlx5_async_work {
988 struct mlx5_async_ctx *ctx;
989 mlx5_async_cbk_t user_callback;
990 };
991
992 void mlx5_cmd_init_async_ctx(struct mlx5_core_dev *dev,
993 struct mlx5_async_ctx *ctx);
994 void mlx5_cmd_cleanup_async_ctx(struct mlx5_async_ctx *ctx);
995 int mlx5_cmd_exec_cb(struct mlx5_async_ctx *ctx, void *in, int in_size,
996 void *out, int out_size, mlx5_async_cbk_t callback,
997 struct mlx5_async_work *work);
998 int mlx5_cmd_exec(struct mlx5_core_dev *dev, void *in, int in_size, void *out,
999 int out_size);
1000 #define mlx5_cmd_exec_inout(dev, ifc_cmd, in, out) \
1001 ({ \
1002 mlx5_cmd_exec(dev, in, MLX5_ST_SZ_BYTES(ifc_cmd##_in), out, \
1003 MLX5_ST_SZ_BYTES(ifc_cmd##_out)); \
1004 })
1005
1006 #define mlx5_cmd_exec_in(dev, ifc_cmd, in) \
1007 ({ \
1008 u32 _out[MLX5_ST_SZ_DW(ifc_cmd##_out)] = {}; \
1009 mlx5_cmd_exec_inout(dev, ifc_cmd, in, _out); \
1010 })
1011 int mlx5_cmd_exec_polling(struct mlx5_core_dev *dev, void *in, int in_size,
1012 void *out, int out_size);
1013 int mlx5_cmd_alloc_uar(struct mlx5_core_dev *dev, u32 *uarn);
1014 int mlx5_cmd_free_uar(struct mlx5_core_dev *dev, u32 uarn);
1015 int mlx5_alloc_bfreg(struct mlx5_core_dev *mdev, struct mlx5_sq_bfreg *bfreg,
1016 bool map_wc, bool fast_path);
1017 void mlx5_free_bfreg(struct mlx5_core_dev *mdev, struct mlx5_sq_bfreg *bfreg);
1018 struct mlx5_uars_page *mlx5_get_uars_page(struct mlx5_core_dev *mdev);
1019 void mlx5_put_uars_page(struct mlx5_core_dev *mdev, struct mlx5_uars_page *up);
1020 void mlx5_health_cleanup(struct mlx5_core_dev *dev);
1021 int mlx5_health_init(struct mlx5_core_dev *dev);
1022 void mlx5_start_health_poll(struct mlx5_core_dev *dev);
1023 void mlx5_stop_health_poll(struct mlx5_core_dev *dev, bool disable_health);
1024 void mlx5_drain_health_wq(struct mlx5_core_dev *dev);
1025 void mlx5_drain_health_recovery(struct mlx5_core_dev *dev);
1026 void mlx5_trigger_health_work(struct mlx5_core_dev *dev);
1027 void mlx5_trigger_health_watchdog(struct mlx5_core_dev *dev);
1028
1029 int mlx5_buf_alloc(struct mlx5_core_dev *dev, int size, int max_direct,
1030 struct mlx5_buf *buf);
1031 void mlx5_buf_free(struct mlx5_core_dev *dev, struct mlx5_buf *buf);
1032 int mlx5_core_create_srq(struct mlx5_core_dev *dev, struct mlx5_core_srq *srq,
1033 struct mlx5_srq_attr *in);
1034 int mlx5_core_destroy_srq(struct mlx5_core_dev *dev, struct mlx5_core_srq *srq);
1035 int mlx5_core_query_srq(struct mlx5_core_dev *dev, struct mlx5_core_srq *srq,
1036 struct mlx5_srq_attr *out);
1037 int mlx5_core_query_vendor_id(struct mlx5_core_dev *mdev, u32 *vendor_id);
1038 int mlx5_core_arm_srq(struct mlx5_core_dev *dev, struct mlx5_core_srq *srq,
1039 u16 lwm, int is_srq);
1040 void mlx5_init_mr_table(struct mlx5_core_dev *dev);
1041 void mlx5_cleanup_mr_table(struct mlx5_core_dev *dev);
1042 int mlx5_core_create_mkey_cb(struct mlx5_core_dev *dev,
1043 struct mlx5_core_mkey *mkey,
1044 struct mlx5_async_ctx *async_ctx, u32 *in,
1045 int inlen, u32 *out, int outlen,
1046 mlx5_async_cbk_t callback,
1047 struct mlx5_async_work *context);
1048 int mlx5_core_create_mkey(struct mlx5_core_dev *dev,
1049 struct mlx5_core_mkey *mr,
1050 u32 *in, int inlen);
1051 int mlx5_core_destroy_mkey(struct mlx5_core_dev *dev, struct mlx5_core_mkey *mkey);
1052 int mlx5_core_query_mkey(struct mlx5_core_dev *dev, struct mlx5_core_mkey *mkey,
1053 u32 *out, int outlen);
1054 int mlx5_core_dump_fill_mkey(struct mlx5_core_dev *dev, struct mlx5_core_mkey *mr,
1055 u32 *mkey);
1056 int mlx5_core_alloc_pd(struct mlx5_core_dev *dev, u32 *pdn, u16 uid);
1057 int mlx5_core_dealloc_pd(struct mlx5_core_dev *dev, u32 pdn, u16 uid);
1058 int mlx5_core_mad_ifc(struct mlx5_core_dev *dev, const void *inb, void *outb,
1059 u16 opmod, u8 port);
1060 void mlx5_fwp_flush(struct mlx5_fw_page *fwp);
1061 void mlx5_fwp_invalidate(struct mlx5_fw_page *fwp);
1062 struct mlx5_fw_page *mlx5_fwp_alloc(struct mlx5_core_dev *dev, gfp_t flags, unsigned num);
1063 void mlx5_fwp_free(struct mlx5_fw_page *fwp);
1064 u64 mlx5_fwp_get_dma(struct mlx5_fw_page *fwp, size_t offset);
1065 void *mlx5_fwp_get_virt(struct mlx5_fw_page *fwp, size_t offset);
1066 void mlx5_pagealloc_init(struct mlx5_core_dev *dev);
1067 void mlx5_pagealloc_cleanup(struct mlx5_core_dev *dev);
1068 int mlx5_pagealloc_start(struct mlx5_core_dev *dev);
1069 void mlx5_pagealloc_stop(struct mlx5_core_dev *dev);
1070 void mlx5_core_req_pages_handler(struct mlx5_core_dev *dev, u16 func_id,
1071 s32 npages);
1072 int mlx5_satisfy_startup_pages(struct mlx5_core_dev *dev, int boot);
1073 int mlx5_reclaim_startup_pages(struct mlx5_core_dev *dev);
1074 s64 mlx5_wait_for_reclaim_vfs_pages(struct mlx5_core_dev *dev);
1075 void mlx5_register_debugfs(void);
1076 void mlx5_unregister_debugfs(void);
1077 int mlx5_eq_init(struct mlx5_core_dev *dev);
1078 void mlx5_eq_cleanup(struct mlx5_core_dev *dev);
1079 void mlx5_fill_page_array(struct mlx5_buf *buf, __be64 *pas);
1080 void mlx5_cq_completion(struct mlx5_core_dev *dev, struct mlx5_eqe *eqe);
1081 void mlx5_rsc_event(struct mlx5_core_dev *dev, u32 rsn, int event_type);
1082 void mlx5_srq_event(struct mlx5_core_dev *dev, u32 srqn, int event_type);
1083 struct mlx5_core_srq *mlx5_core_get_srq(struct mlx5_core_dev *dev, u32 srqn);
1084 void mlx5_cmd_comp_handler(struct mlx5_core_dev *dev, u64 vector, enum mlx5_cmd_mode mode);
1085 void mlx5_cq_event(struct mlx5_core_dev *dev, u32 cqn, int event_type);
1086 int mlx5_create_map_eq(struct mlx5_core_dev *dev, struct mlx5_eq *eq, u8 vecidx,
1087 int nent, u64 mask);
1088 int mlx5_destroy_unmap_eq(struct mlx5_core_dev *dev, struct mlx5_eq *eq);
1089 int mlx5_start_eqs(struct mlx5_core_dev *dev);
1090 int mlx5_stop_eqs(struct mlx5_core_dev *dev);
1091 int mlx5_vector2eqn(struct mlx5_core_dev *dev, int vector, int *eqn, int *irqn);
1092 int mlx5_core_attach_mcg(struct mlx5_core_dev *dev, union ib_gid *mgid, u32 qpn);
1093 int mlx5_core_detach_mcg(struct mlx5_core_dev *dev, union ib_gid *mgid, u32 qpn);
1094 int mlx5_core_set_dc_cnak_trace(struct mlx5_core_dev *dev, int enable,
1095 u64 addr);
1096
1097 int mlx5_qp_debugfs_init(struct mlx5_core_dev *dev);
1098 void mlx5_qp_debugfs_cleanup(struct mlx5_core_dev *dev);
1099 int mlx5_core_access_reg(struct mlx5_core_dev *dev, void *data_in,
1100 int size_in, void *data_out, int size_out,
1101 u16 reg_num, int arg, int write);
1102
1103 void mlx5_toggle_port_link(struct mlx5_core_dev *dev);
1104
1105 int mlx5_debug_eq_add(struct mlx5_core_dev *dev, struct mlx5_eq *eq);
1106 void mlx5_debug_eq_remove(struct mlx5_core_dev *dev, struct mlx5_eq *eq);
1107 int mlx5_core_eq_query(struct mlx5_core_dev *dev, struct mlx5_eq *eq,
1108 u32 *out, int outlen);
1109 int mlx5_eq_debugfs_init(struct mlx5_core_dev *dev);
1110 void mlx5_eq_debugfs_cleanup(struct mlx5_core_dev *dev);
1111 int mlx5_cq_debugfs_init(struct mlx5_core_dev *dev);
1112 void mlx5_cq_debugfs_cleanup(struct mlx5_core_dev *dev);
1113 int mlx5_db_alloc(struct mlx5_core_dev *dev, struct mlx5_db *db);
1114 void mlx5_db_free(struct mlx5_core_dev *dev, struct mlx5_db *db);
1115
1116 static inline struct domainset *
mlx5_dev_domainset(struct mlx5_core_dev * mdev)1117 mlx5_dev_domainset(struct mlx5_core_dev *mdev)
1118 {
1119 return (linux_get_vm_domain_set(mdev->priv.numa_node));
1120 }
1121
1122 const char *mlx5_command_str(int command);
1123 int mlx5_cmdif_debugfs_init(struct mlx5_core_dev *dev);
1124 void mlx5_cmdif_debugfs_cleanup(struct mlx5_core_dev *dev);
1125 int mlx5_core_create_psv(struct mlx5_core_dev *dev, u32 pdn,
1126 int npsvs, u32 *sig_index);
1127 int mlx5_core_destroy_psv(struct mlx5_core_dev *dev, int psv_num);
1128 void mlx5_core_put_rsc(struct mlx5_core_rsc_common *common);
1129 u8 mlx5_is_wol_supported(struct mlx5_core_dev *dev);
1130 int mlx5_set_wol(struct mlx5_core_dev *dev, u8 wol_mode);
1131 int mlx5_set_dropless_mode(struct mlx5_core_dev *dev, u16 timeout);
1132 int mlx5_query_dropless_mode(struct mlx5_core_dev *dev, u16 *timeout);
1133 int mlx5_query_wol(struct mlx5_core_dev *dev, u8 *wol_mode);
1134 int mlx5_core_access_pvlc(struct mlx5_core_dev *dev,
1135 struct mlx5_pvlc_reg *pvlc, int write);
1136 int mlx5_core_access_ptys(struct mlx5_core_dev *dev,
1137 struct mlx5_ptys_reg *ptys, int write);
1138 int mlx5_core_access_pmtu(struct mlx5_core_dev *dev,
1139 struct mlx5_pmtu_reg *pmtu, int write);
1140 int mlx5_vxlan_udp_port_add(struct mlx5_core_dev *dev, u16 port);
1141 int mlx5_vxlan_udp_port_delete(struct mlx5_core_dev *dev, u16 port);
1142 int mlx5_query_port_cong_status(struct mlx5_core_dev *mdev, int protocol,
1143 int priority, int *is_enable);
1144 int mlx5_modify_port_cong_status(struct mlx5_core_dev *mdev, int protocol,
1145 int priority, int enable);
1146 int mlx5_query_port_cong_params(struct mlx5_core_dev *mdev, int protocol,
1147 void *out, int out_size);
1148 int mlx5_modify_port_cong_params(struct mlx5_core_dev *mdev,
1149 void *in, int in_size);
1150 int mlx5_query_port_cong_statistics(struct mlx5_core_dev *mdev, int clear,
1151 void *out, int out_size);
1152 int mlx5_set_diagnostic_params(struct mlx5_core_dev *mdev, void *in,
1153 int in_size);
1154 int mlx5_query_diagnostic_counters(struct mlx5_core_dev *mdev,
1155 u8 num_of_samples, u16 sample_index,
1156 void *out, int out_size);
1157 int mlx5_vsc_find_cap(struct mlx5_core_dev *mdev);
1158 int mlx5_vsc_lock(struct mlx5_core_dev *mdev);
1159 void mlx5_vsc_unlock(struct mlx5_core_dev *mdev);
1160 int mlx5_vsc_set_space(struct mlx5_core_dev *mdev, u16 space);
1161 int mlx5_vsc_wait_on_flag(struct mlx5_core_dev *mdev, u32 expected);
1162 int mlx5_vsc_write(struct mlx5_core_dev *mdev, u32 addr, const u32 *data);
1163 int mlx5_vsc_read(struct mlx5_core_dev *mdev, u32 addr, u32 *data);
1164 int mlx5_vsc_lock_addr_space(struct mlx5_core_dev *mdev, u32 addr);
1165 int mlx5_vsc_unlock_addr_space(struct mlx5_core_dev *mdev, u32 addr);
1166 int mlx5_pci_read_power_status(struct mlx5_core_dev *mdev,
1167 u16 *p_power, u8 *p_status);
1168
mlx5_mkey_to_idx(u32 mkey)1169 static inline u32 mlx5_mkey_to_idx(u32 mkey)
1170 {
1171 return mkey >> 8;
1172 }
1173
mlx5_idx_to_mkey(u32 mkey_idx)1174 static inline u32 mlx5_idx_to_mkey(u32 mkey_idx)
1175 {
1176 return mkey_idx << 8;
1177 }
1178
mlx5_mkey_variant(u32 mkey)1179 static inline u8 mlx5_mkey_variant(u32 mkey)
1180 {
1181 return mkey & 0xff;
1182 }
1183
1184 enum {
1185 MLX5_PROF_MASK_QP_SIZE = (u64)1 << 0,
1186 MLX5_PROF_MASK_MR_CACHE = (u64)1 << 1,
1187 };
1188
1189 enum {
1190 MAX_MR_CACHE_ENTRIES = 15,
1191 };
1192
1193 struct mlx5_interface {
1194 void * (*add)(struct mlx5_core_dev *dev);
1195 void (*remove)(struct mlx5_core_dev *dev, void *context);
1196 void (*event)(struct mlx5_core_dev *dev, void *context,
1197 enum mlx5_dev_event event, unsigned long param);
1198 void * (*get_dev)(void *context);
1199 int protocol;
1200 struct list_head list;
1201 };
1202
1203 void *mlx5_get_protocol_dev(struct mlx5_core_dev *mdev, int protocol);
1204 int mlx5_register_interface(struct mlx5_interface *intf);
1205 void mlx5_unregister_interface(struct mlx5_interface *intf);
1206
1207 unsigned int mlx5_core_reserved_gids_count(struct mlx5_core_dev *dev);
1208 int mlx5_core_roce_gid_set(struct mlx5_core_dev *dev, unsigned int index,
1209 u8 roce_version, u8 roce_l3_type, const u8 *gid,
1210 const u8 *mac, bool vlan, u16 vlan_id);
1211
1212 struct mlx5_profile {
1213 u64 mask;
1214 u8 log_max_qp;
1215 struct {
1216 int size;
1217 int limit;
1218 } mr_cache[MAX_MR_CACHE_ENTRIES];
1219 };
1220
1221 enum {
1222 MLX5_PCI_DEV_IS_VF = 1 << 0,
1223 };
1224
1225 enum {
1226 MLX5_TRIGGERED_CMD_COMP = (u64)1 << 32,
1227 };
1228
mlx5_core_is_pf(struct mlx5_core_dev * dev)1229 static inline int mlx5_core_is_pf(struct mlx5_core_dev *dev)
1230 {
1231 return !(dev->priv.pci_dev_data & MLX5_PCI_DEV_IS_VF);
1232 }
1233 #ifdef RATELIMIT
1234 int mlx5_init_rl_table(struct mlx5_core_dev *dev);
1235 void mlx5_cleanup_rl_table(struct mlx5_core_dev *dev);
1236 int mlx5_rl_add_rate(struct mlx5_core_dev *dev, u32 rate, u32 burst, u16 *index);
1237 void mlx5_rl_remove_rate(struct mlx5_core_dev *dev, u32 rate, u32 burst);
1238 bool mlx5_rl_is_in_range(const struct mlx5_core_dev *dev, u32 rate, u32 burst);
1239 int mlx5e_query_rate_limit_cmd(struct mlx5_core_dev *dev, u16 index, u32 *scq_handle);
1240
mlx5_rl_get_scq_handle(struct mlx5_core_dev * dev,uint16_t index)1241 static inline u32 mlx5_rl_get_scq_handle(struct mlx5_core_dev *dev, uint16_t index)
1242 {
1243 KASSERT(index > 0,
1244 ("invalid rate index for sq remap, failed retrieving SCQ handle"));
1245
1246 return (dev->priv.rl_table.rl_entry[index - 1].qos_handle);
1247 }
1248
mlx5_rl_is_supported(struct mlx5_core_dev * dev)1249 static inline bool mlx5_rl_is_supported(struct mlx5_core_dev *dev)
1250 {
1251 return !!(dev->priv.rl_table.max_size);
1252 }
1253 #endif
1254
1255 void mlx5_disable_interrupts(struct mlx5_core_dev *);
1256 void mlx5_poll_interrupts(struct mlx5_core_dev *);
1257
mlx5_get_qp_default_ts(struct mlx5_core_dev * dev)1258 static inline int mlx5_get_qp_default_ts(struct mlx5_core_dev *dev)
1259 {
1260 return !MLX5_CAP_ROCE(dev, qp_ts_format) ?
1261 MLX5_QPC_TIMESTAMP_FORMAT_FREE_RUNNING :
1262 MLX5_QPC_TIMESTAMP_FORMAT_DEFAULT;
1263 }
1264
mlx5_get_rq_default_ts(struct mlx5_core_dev * dev)1265 static inline int mlx5_get_rq_default_ts(struct mlx5_core_dev *dev)
1266 {
1267 return !MLX5_CAP_GEN(dev, rq_ts_format) ?
1268 MLX5_RQC_TIMESTAMP_FORMAT_FREE_RUNNING :
1269 MLX5_RQC_TIMESTAMP_FORMAT_DEFAULT;
1270 }
1271
mlx5_get_sq_default_ts(struct mlx5_core_dev * dev)1272 static inline int mlx5_get_sq_default_ts(struct mlx5_core_dev *dev)
1273 {
1274 return !MLX5_CAP_GEN(dev, sq_ts_format) ?
1275 MLX5_SQC_TIMESTAMP_FORMAT_FREE_RUNNING :
1276 MLX5_SQC_TIMESTAMP_FORMAT_DEFAULT;
1277 }
1278
1279 #endif /* MLX5_DRIVER_H */
1280