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/irq.h>
40 #include <linux/spinlock_types.h>
41 #include <linux/semaphore.h>
42 #include <linux/slab.h>
43 #include <linux/vmalloc.h>
44 #include <linux/xarray.h>
45 #include <linux/workqueue.h>
46 #include <linux/mempool.h>
47 #include <linux/interrupt.h>
48 #include <linux/idr.h>
49 #include <linux/notifier.h>
50 #include <linux/refcount.h>
51 #include <linux/auxiliary_bus.h>
52 #include <linux/mutex.h>
53
54 #include <linux/mlx5/device.h>
55 #include <linux/mlx5/doorbell.h>
56 #include <linux/mlx5/eq.h>
57 #include <linux/timecounter.h>
58 #include <linux/ptp_clock_kernel.h>
59 #include <net/devlink.h>
60
61 #define MLX5_ADEV_NAME "mlx5_core"
62
63 #define MLX5_IRQ_EQ_CTRL (U8_MAX)
64
65 enum {
66 MLX5_BOARD_ID_LEN = 64,
67 };
68
69 enum {
70 MLX5_CMD_WQ_MAX_NAME = 32,
71 };
72
73 enum {
74 CMD_OWNER_SW = 0x0,
75 CMD_OWNER_HW = 0x1,
76 CMD_STATUS_SUCCESS = 0,
77 };
78
79 enum mlx5_sqp_t {
80 MLX5_SQP_SMI = 0,
81 MLX5_SQP_GSI = 1,
82 MLX5_SQP_IEEE_1588 = 2,
83 MLX5_SQP_SNIFFER = 3,
84 MLX5_SQP_SYNC_UMR = 4,
85 };
86
87 enum {
88 MLX5_MAX_PORTS = 4,
89 };
90
91 enum {
92 MLX5_ATOMIC_MODE_OFFSET = 16,
93 MLX5_ATOMIC_MODE_IB_COMP = 1,
94 MLX5_ATOMIC_MODE_CX = 2,
95 MLX5_ATOMIC_MODE_8B = 3,
96 MLX5_ATOMIC_MODE_16B = 4,
97 MLX5_ATOMIC_MODE_32B = 5,
98 MLX5_ATOMIC_MODE_64B = 6,
99 MLX5_ATOMIC_MODE_128B = 7,
100 MLX5_ATOMIC_MODE_256B = 8,
101 };
102
103 enum {
104 MLX5_REG_SBPR = 0xb001,
105 MLX5_REG_SBCM = 0xb002,
106 MLX5_REG_QPTS = 0x4002,
107 MLX5_REG_QETCR = 0x4005,
108 MLX5_REG_QTCT = 0x400a,
109 MLX5_REG_QPDPM = 0x4013,
110 MLX5_REG_QCAM = 0x4019,
111 MLX5_REG_DCBX_PARAM = 0x4020,
112 MLX5_REG_DCBX_APP = 0x4021,
113 MLX5_REG_FPGA_CAP = 0x4022,
114 MLX5_REG_FPGA_CTRL = 0x4023,
115 MLX5_REG_FPGA_ACCESS_REG = 0x4024,
116 MLX5_REG_CORE_DUMP = 0x402e,
117 MLX5_REG_PCAP = 0x5001,
118 MLX5_REG_PMTU = 0x5003,
119 MLX5_REG_PTYS = 0x5004,
120 MLX5_REG_PAOS = 0x5006,
121 MLX5_REG_PFCC = 0x5007,
122 MLX5_REG_PPCNT = 0x5008,
123 MLX5_REG_PPTB = 0x500b,
124 MLX5_REG_PBMC = 0x500c,
125 MLX5_REG_PMAOS = 0x5012,
126 MLX5_REG_PUDE = 0x5009,
127 MLX5_REG_PMPE = 0x5010,
128 MLX5_REG_PELC = 0x500e,
129 MLX5_REG_PVLC = 0x500f,
130 MLX5_REG_PCMR = 0x5041,
131 MLX5_REG_PDDR = 0x5031,
132 MLX5_REG_PMLP = 0x5002,
133 MLX5_REG_PPLM = 0x5023,
134 MLX5_REG_PCAM = 0x507f,
135 MLX5_REG_NODE_DESC = 0x6001,
136 MLX5_REG_HOST_ENDIANNESS = 0x7004,
137 MLX5_REG_MTCAP = 0x9009,
138 MLX5_REG_MTMP = 0x900A,
139 MLX5_REG_MCIA = 0x9014,
140 MLX5_REG_MFRL = 0x9028,
141 MLX5_REG_MLCR = 0x902b,
142 MLX5_REG_MRTC = 0x902d,
143 MLX5_REG_MTRC_CAP = 0x9040,
144 MLX5_REG_MTRC_CONF = 0x9041,
145 MLX5_REG_MTRC_STDB = 0x9042,
146 MLX5_REG_MTRC_CTRL = 0x9043,
147 MLX5_REG_MPEIN = 0x9050,
148 MLX5_REG_MPCNT = 0x9051,
149 MLX5_REG_MTPPS = 0x9053,
150 MLX5_REG_MTPPSE = 0x9054,
151 MLX5_REG_MTUTC = 0x9055,
152 MLX5_REG_MPEGC = 0x9056,
153 MLX5_REG_MPIR = 0x9059,
154 MLX5_REG_MCQS = 0x9060,
155 MLX5_REG_MCQI = 0x9061,
156 MLX5_REG_MCC = 0x9062,
157 MLX5_REG_MCDA = 0x9063,
158 MLX5_REG_MCAM = 0x907f,
159 MLX5_REG_MSECQ = 0x9155,
160 MLX5_REG_MSEES = 0x9156,
161 MLX5_REG_MIRC = 0x9162,
162 MLX5_REG_SBCAM = 0xB01F,
163 MLX5_REG_RESOURCE_DUMP = 0xC000,
164 MLX5_REG_DTOR = 0xC00E,
165 };
166
167 enum mlx5_qpts_trust_state {
168 MLX5_QPTS_TRUST_PCP = 1,
169 MLX5_QPTS_TRUST_DSCP = 2,
170 };
171
172 enum mlx5_dcbx_oper_mode {
173 MLX5E_DCBX_PARAM_VER_OPER_HOST = 0x0,
174 MLX5E_DCBX_PARAM_VER_OPER_AUTO = 0x3,
175 };
176
177 enum {
178 MLX5_ATOMIC_OPS_CMP_SWAP = 1 << 0,
179 MLX5_ATOMIC_OPS_FETCH_ADD = 1 << 1,
180 MLX5_ATOMIC_OPS_EXTENDED_CMP_SWAP = 1 << 2,
181 MLX5_ATOMIC_OPS_EXTENDED_FETCH_ADD = 1 << 3,
182 };
183
184 enum mlx5_page_fault_resume_flags {
185 MLX5_PAGE_FAULT_RESUME_REQUESTOR = 1 << 0,
186 MLX5_PAGE_FAULT_RESUME_WRITE = 1 << 1,
187 MLX5_PAGE_FAULT_RESUME_RDMA = 1 << 2,
188 MLX5_PAGE_FAULT_RESUME_ERROR = 1 << 7,
189 };
190
191 enum dbg_rsc_type {
192 MLX5_DBG_RSC_QP,
193 MLX5_DBG_RSC_EQ,
194 MLX5_DBG_RSC_CQ,
195 };
196
197 enum port_state_policy {
198 MLX5_POLICY_DOWN = 0,
199 MLX5_POLICY_UP = 1,
200 MLX5_POLICY_FOLLOW = 2,
201 MLX5_POLICY_INVALID = 0xffffffff
202 };
203
204 enum mlx5_coredev_type {
205 MLX5_COREDEV_PF,
206 MLX5_COREDEV_VF,
207 MLX5_COREDEV_SF,
208 };
209
210 struct mlx5_field_desc {
211 int i;
212 };
213
214 struct mlx5_rsc_debug {
215 struct mlx5_core_dev *dev;
216 void *object;
217 enum dbg_rsc_type type;
218 struct dentry *root;
219 struct mlx5_field_desc fields[];
220 };
221
222 enum mlx5_dev_event {
223 MLX5_DEV_EVENT_SYS_ERROR = 128, /* 0 - 127 are FW events */
224 MLX5_DEV_EVENT_PORT_AFFINITY = 129,
225 MLX5_DEV_EVENT_MULTIPORT_ESW = 130,
226 };
227
228 enum mlx5_port_status {
229 MLX5_PORT_UP = 1,
230 MLX5_PORT_DOWN = 2,
231 };
232
233 enum mlx5_cmdif_state {
234 MLX5_CMDIF_STATE_UNINITIALIZED,
235 MLX5_CMDIF_STATE_UP,
236 MLX5_CMDIF_STATE_DOWN,
237 };
238
239 struct mlx5_cmd_first {
240 __be32 data[4];
241 };
242
243 struct mlx5_cmd_msg {
244 struct list_head list;
245 struct cmd_msg_cache *parent;
246 u32 len;
247 struct mlx5_cmd_first first;
248 struct mlx5_cmd_mailbox *next;
249 };
250
251 struct mlx5_cmd_debug {
252 struct dentry *dbg_root;
253 void *in_msg;
254 void *out_msg;
255 u8 status;
256 u16 inlen;
257 u16 outlen;
258 };
259
260 struct cmd_msg_cache {
261 /* protect block chain allocations
262 */
263 spinlock_t lock;
264 struct list_head head;
265 unsigned int max_inbox_size;
266 unsigned int num_ent;
267 };
268
269 enum {
270 MLX5_NUM_COMMAND_CACHES = 5,
271 };
272
273 struct mlx5_cmd_stats {
274 u64 sum;
275 u64 n;
276 /* number of times command failed */
277 u64 failed;
278 /* number of times command failed on bad status returned by FW */
279 u64 failed_mbox_status;
280 /* last command failed returned errno */
281 u32 last_failed_errno;
282 /* last bad status returned by FW */
283 u8 last_failed_mbox_status;
284 /* last command failed syndrome returned by FW */
285 u32 last_failed_syndrome;
286 struct dentry *root;
287 /* protect command average calculations */
288 spinlock_t lock;
289 };
290
291 struct mlx5_cmd {
292 struct mlx5_nb nb;
293
294 /* members which needs to be queried or reinitialized each reload */
295 struct {
296 u16 cmdif_rev;
297 u8 log_sz;
298 u8 log_stride;
299 int max_reg_cmds;
300 unsigned long bitmask;
301 struct semaphore sem;
302 struct semaphore pages_sem;
303 struct semaphore throttle_sem;
304 } vars;
305 enum mlx5_cmdif_state state;
306 void *cmd_alloc_buf;
307 dma_addr_t alloc_dma;
308 int alloc_size;
309 void *cmd_buf;
310 dma_addr_t dma;
311
312 /* protect command queue allocations
313 */
314 spinlock_t alloc_lock;
315
316 /* protect token allocations
317 */
318 spinlock_t token_lock;
319 u8 token;
320 char wq_name[MLX5_CMD_WQ_MAX_NAME];
321 struct workqueue_struct *wq;
322 int mode;
323 u16 allowed_opcode;
324 struct mlx5_cmd_work_ent *ent_arr[MLX5_MAX_COMMANDS];
325 struct dma_pool *pool;
326 struct mlx5_cmd_debug dbg;
327 struct cmd_msg_cache cache[MLX5_NUM_COMMAND_CACHES];
328 int checksum_disabled;
329 struct xarray stats;
330 };
331
332 struct mlx5_cmd_mailbox {
333 void *buf;
334 dma_addr_t dma;
335 struct mlx5_cmd_mailbox *next;
336 };
337
338 struct mlx5_buf_list {
339 void *buf;
340 dma_addr_t map;
341 };
342
343 struct mlx5_frag_buf {
344 struct mlx5_buf_list *frags;
345 int npages;
346 int size;
347 u8 page_shift;
348 };
349
350 struct mlx5_frag_buf_ctrl {
351 struct mlx5_buf_list *frags;
352 u32 sz_m1;
353 u16 frag_sz_m1;
354 u16 strides_offset;
355 u8 log_sz;
356 u8 log_stride;
357 u8 log_frag_strides;
358 };
359
360 struct mlx5_core_psv {
361 u32 psv_idx;
362 struct psv_layout {
363 u32 pd;
364 u16 syndrome;
365 u16 reserved;
366 u16 bg;
367 u16 app_tag;
368 u32 ref_tag;
369 } psv;
370 };
371
372 struct mlx5_core_sig_ctx {
373 struct mlx5_core_psv psv_memory;
374 struct mlx5_core_psv psv_wire;
375 struct ib_sig_err err_item;
376 bool sig_status_checked;
377 bool sig_err_exists;
378 u32 sigerr_count;
379 };
380
381 #define MLX5_24BIT_MASK ((1 << 24) - 1)
382
383 enum mlx5_res_type {
384 MLX5_RES_QP = MLX5_EVENT_QUEUE_TYPE_QP,
385 MLX5_RES_RQ = MLX5_EVENT_QUEUE_TYPE_RQ,
386 MLX5_RES_SQ = MLX5_EVENT_QUEUE_TYPE_SQ,
387 MLX5_RES_SRQ = 3,
388 MLX5_RES_XSRQ = 4,
389 MLX5_RES_XRQ = 5,
390 };
391
392 struct mlx5_core_rsc_common {
393 enum mlx5_res_type res;
394 refcount_t refcount;
395 struct completion free;
396 };
397
398 struct mlx5_uars_page {
399 void __iomem *map;
400 bool wc;
401 u32 index;
402 struct list_head list;
403 unsigned int bfregs;
404 unsigned long *reg_bitmap; /* for non fast path bf regs */
405 unsigned long *fp_bitmap;
406 unsigned int reg_avail;
407 unsigned int fp_avail;
408 struct kref ref_count;
409 struct mlx5_core_dev *mdev;
410 };
411
412 struct mlx5_bfreg_head {
413 /* protect blue flame registers allocations */
414 struct mutex lock;
415 struct list_head list;
416 };
417
418 struct mlx5_bfreg_data {
419 struct mlx5_bfreg_head reg_head;
420 struct mlx5_bfreg_head wc_head;
421 };
422
423 struct mlx5_sq_bfreg {
424 void __iomem *map;
425 struct mlx5_uars_page *up;
426 bool wc;
427 u32 index;
428 unsigned int offset;
429 };
430
431 struct mlx5_core_health {
432 struct health_buffer __iomem *health;
433 __be32 __iomem *health_counter;
434 struct timer_list timer;
435 u32 prev;
436 int miss_counter;
437 u8 synd;
438 u32 fatal_error;
439 u32 crdump_size;
440 struct workqueue_struct *wq;
441 unsigned long flags;
442 struct work_struct fatal_report_work;
443 struct work_struct report_work;
444 struct devlink_health_reporter *fw_reporter;
445 struct devlink_health_reporter *fw_fatal_reporter;
446 struct devlink_health_reporter *vnic_reporter;
447 struct delayed_work update_fw_log_ts_work;
448 };
449
450 enum {
451 MLX5_PF_NOTIFY_DISABLE_VF,
452 MLX5_PF_NOTIFY_ENABLE_VF,
453 };
454
455 struct mlx5_vf_context {
456 int enabled;
457 u64 port_guid;
458 u64 node_guid;
459 /* Valid bits are used to validate administrative guid only.
460 * Enabled after ndo_set_vf_guid
461 */
462 u8 port_guid_valid:1;
463 u8 node_guid_valid:1;
464 enum port_state_policy policy;
465 struct blocking_notifier_head notifier;
466 };
467
468 struct mlx5_core_sriov {
469 struct mlx5_vf_context *vfs_ctx;
470 int num_vfs;
471 u16 max_vfs;
472 u16 max_ec_vfs;
473 };
474
475 struct mlx5_fc_pool {
476 struct mlx5_core_dev *dev;
477 struct mutex pool_lock; /* protects pool lists */
478 struct list_head fully_used;
479 struct list_head partially_used;
480 struct list_head unused;
481 int available_fcs;
482 int used_fcs;
483 int threshold;
484 };
485
486 struct mlx5_fc_stats {
487 spinlock_t counters_idr_lock; /* protects counters_idr */
488 struct idr counters_idr;
489 struct list_head counters;
490 struct llist_head addlist;
491 struct llist_head dellist;
492
493 struct workqueue_struct *wq;
494 struct delayed_work work;
495 unsigned long next_query;
496 unsigned long sampling_interval; /* jiffies */
497 u32 *bulk_query_out;
498 int bulk_query_len;
499 size_t num_counters;
500 bool bulk_query_alloc_failed;
501 unsigned long next_bulk_query_alloc;
502 struct mlx5_fc_pool fc_pool;
503 };
504
505 struct mlx5_events;
506 struct mlx5_mpfs;
507 struct mlx5_eswitch;
508 struct mlx5_lag;
509 struct mlx5_devcom_dev;
510 struct mlx5_fw_reset;
511 struct mlx5_eq_table;
512 struct mlx5_irq_table;
513 struct mlx5_vhca_state_notifier;
514 struct mlx5_sf_dev_table;
515 struct mlx5_sf_hw_table;
516 struct mlx5_sf_table;
517 struct mlx5_crypto_dek_priv;
518
519 struct mlx5_rate_limit {
520 u32 rate;
521 u32 max_burst_sz;
522 u16 typical_pkt_sz;
523 };
524
525 struct mlx5_rl_entry {
526 u8 rl_raw[MLX5_ST_SZ_BYTES(set_pp_rate_limit_context)];
527 u64 refcount;
528 u16 index;
529 u16 uid;
530 u8 dedicated : 1;
531 };
532
533 struct mlx5_rl_table {
534 /* protect rate limit table */
535 struct mutex rl_lock;
536 u16 max_size;
537 u32 max_rate;
538 u32 min_rate;
539 struct mlx5_rl_entry *rl_entry;
540 u64 refcount;
541 };
542
543 struct mlx5_core_roce {
544 struct mlx5_flow_table *ft;
545 struct mlx5_flow_group *fg;
546 struct mlx5_flow_handle *allow_rule;
547 };
548
549 enum {
550 MLX5_PRIV_FLAGS_DISABLE_IB_ADEV = 1 << 0,
551 MLX5_PRIV_FLAGS_DISABLE_ALL_ADEV = 1 << 1,
552 /* Set during device detach to block any further devices
553 * creation/deletion on drivers rescan. Unset during device attach.
554 */
555 MLX5_PRIV_FLAGS_DETACH = 1 << 2,
556 };
557
558 struct mlx5_adev {
559 struct auxiliary_device adev;
560 struct mlx5_core_dev *mdev;
561 int idx;
562 };
563
564 struct mlx5_debugfs_entries {
565 struct dentry *dbg_root;
566 struct dentry *qp_debugfs;
567 struct dentry *eq_debugfs;
568 struct dentry *cq_debugfs;
569 struct dentry *cmdif_debugfs;
570 struct dentry *pages_debugfs;
571 struct dentry *lag_debugfs;
572 };
573
574 enum mlx5_func_type {
575 MLX5_PF,
576 MLX5_VF,
577 MLX5_SF,
578 MLX5_HOST_PF,
579 MLX5_EC_VF,
580 MLX5_FUNC_TYPE_NUM,
581 };
582
583 struct mlx5_ft_pool;
584 struct mlx5_priv {
585 /* IRQ table valid only for real pci devices PF or VF */
586 struct mlx5_irq_table *irq_table;
587 struct mlx5_eq_table *eq_table;
588
589 /* pages stuff */
590 struct mlx5_nb pg_nb;
591 struct workqueue_struct *pg_wq;
592 struct xarray page_root_xa;
593 atomic_t reg_pages;
594 struct list_head free_list;
595 u32 fw_pages;
596 u32 page_counters[MLX5_FUNC_TYPE_NUM];
597 u32 fw_pages_alloc_failed;
598 u32 give_pages_dropped;
599 u32 reclaim_pages_discard;
600
601 struct mlx5_core_health health;
602 struct list_head traps;
603
604 struct mlx5_debugfs_entries dbg;
605
606 /* start: alloc staff */
607 /* protect buffer allocation according to numa node */
608 struct mutex alloc_mutex;
609 int numa_node;
610
611 struct mutex pgdir_mutex;
612 struct list_head pgdir_list;
613 /* end: alloc staff */
614
615 struct mlx5_adev **adev;
616 int adev_idx;
617 int sw_vhca_id;
618 struct mlx5_events *events;
619 struct mlx5_vhca_events *vhca_events;
620
621 struct mlx5_flow_steering *steering;
622 struct mlx5_mpfs *mpfs;
623 struct mlx5_eswitch *eswitch;
624 struct mlx5_core_sriov sriov;
625 struct mlx5_lag *lag;
626 u32 flags;
627 struct mlx5_devcom_dev *devc;
628 struct mlx5_devcom_comp_dev *hca_devcom_comp;
629 struct mlx5_fw_reset *fw_reset;
630 struct mlx5_core_roce roce;
631 struct mlx5_fc_stats fc_stats;
632 struct mlx5_rl_table rl_table;
633 struct mlx5_ft_pool *ft_pool;
634
635 struct mlx5_bfreg_data bfregs;
636 struct mlx5_uars_page *uar;
637 #ifdef CONFIG_MLX5_SF
638 struct mlx5_vhca_state_notifier *vhca_state_notifier;
639 struct mlx5_sf_dev_table *sf_dev_table;
640 struct mlx5_core_dev *parent_mdev;
641 #endif
642 #ifdef CONFIG_MLX5_SF_MANAGER
643 struct mlx5_sf_hw_table *sf_hw_table;
644 struct mlx5_sf_table *sf_table;
645 #endif
646 };
647
648 enum mlx5_device_state {
649 MLX5_DEVICE_STATE_UP = 1,
650 MLX5_DEVICE_STATE_INTERNAL_ERROR,
651 };
652
653 enum mlx5_interface_state {
654 MLX5_INTERFACE_STATE_UP = BIT(0),
655 MLX5_BREAK_FW_WAIT = BIT(1),
656 };
657
658 enum mlx5_pci_status {
659 MLX5_PCI_STATUS_DISABLED,
660 MLX5_PCI_STATUS_ENABLED,
661 };
662
663 enum mlx5_pagefault_type_flags {
664 MLX5_PFAULT_REQUESTOR = 1 << 0,
665 MLX5_PFAULT_WRITE = 1 << 1,
666 MLX5_PFAULT_RDMA = 1 << 2,
667 };
668
669 struct mlx5_td {
670 /* protects tirs list changes while tirs refresh */
671 struct mutex list_lock;
672 struct list_head tirs_list;
673 u32 tdn;
674 };
675
676 struct mlx5e_resources {
677 struct mlx5e_hw_objs {
678 u32 pdn;
679 struct mlx5_td td;
680 u32 mkey;
681 struct mlx5_sq_bfreg bfreg;
682 #define MLX5_MAX_NUM_TC 8
683 u32 tisn[MLX5_MAX_PORTS][MLX5_MAX_NUM_TC];
684 bool tisn_valid;
685 } hw_objs;
686 struct net_device *uplink_netdev;
687 struct mutex uplink_netdev_lock;
688 struct mlx5_crypto_dek_priv *dek_priv;
689 };
690
691 enum mlx5_sw_icm_type {
692 MLX5_SW_ICM_TYPE_STEERING,
693 MLX5_SW_ICM_TYPE_HEADER_MODIFY,
694 MLX5_SW_ICM_TYPE_HEADER_MODIFY_PATTERN,
695 MLX5_SW_ICM_TYPE_SW_ENCAP,
696 };
697
698 #define MLX5_MAX_RESERVED_GIDS 8
699
700 struct mlx5_rsvd_gids {
701 unsigned int start;
702 unsigned int count;
703 struct ida ida;
704 };
705
706 #define MAX_PIN_NUM 8
707 struct mlx5_pps {
708 u8 pin_caps[MAX_PIN_NUM];
709 struct work_struct out_work;
710 u64 start[MAX_PIN_NUM];
711 u8 enabled;
712 u64 min_npps_period;
713 u64 min_out_pulse_duration_ns;
714 };
715
716 struct mlx5_timer {
717 struct cyclecounter cycles;
718 struct timecounter tc;
719 u32 nominal_c_mult;
720 unsigned long overflow_period;
721 struct delayed_work overflow_work;
722 };
723
724 struct mlx5_clock {
725 struct mlx5_nb pps_nb;
726 seqlock_t lock;
727 struct hwtstamp_config hwtstamp_config;
728 struct ptp_clock *ptp;
729 struct ptp_clock_info ptp_info;
730 struct mlx5_pps pps_info;
731 struct mlx5_timer timer;
732 };
733
734 struct mlx5_dm;
735 struct mlx5_fw_tracer;
736 struct mlx5_vxlan;
737 struct mlx5_geneve;
738 struct mlx5_hv_vhca;
739
740 #define MLX5_LOG_SW_ICM_BLOCK_SIZE(dev) (MLX5_CAP_DEV_MEM(dev, log_sw_icm_alloc_granularity))
741 #define MLX5_SW_ICM_BLOCK_SIZE(dev) (1 << MLX5_LOG_SW_ICM_BLOCK_SIZE(dev))
742
743 enum {
744 MLX5_PROF_MASK_QP_SIZE = (u64)1 << 0,
745 MLX5_PROF_MASK_MR_CACHE = (u64)1 << 1,
746 };
747
748 enum {
749 MKEY_CACHE_LAST_STD_ENTRY = 20,
750 MLX5_IMR_KSM_CACHE_ENTRY,
751 MAX_MKEY_CACHE_ENTRIES
752 };
753
754 struct mlx5_profile {
755 u64 mask;
756 u8 log_max_qp;
757 u8 num_cmd_caches;
758 struct {
759 int size;
760 int limit;
761 } mr_cache[MAX_MKEY_CACHE_ENTRIES];
762 };
763
764 struct mlx5_hca_cap {
765 u32 cur[MLX5_UN_SZ_DW(hca_cap_union)];
766 u32 max[MLX5_UN_SZ_DW(hca_cap_union)];
767 };
768
769 struct mlx5_core_dev {
770 struct device *device;
771 enum mlx5_coredev_type coredev_type;
772 struct pci_dev *pdev;
773 /* sync pci state */
774 struct mutex pci_status_mutex;
775 enum mlx5_pci_status pci_status;
776 u8 rev_id;
777 char board_id[MLX5_BOARD_ID_LEN];
778 struct mlx5_cmd cmd;
779 struct {
780 struct mlx5_hca_cap *hca[MLX5_CAP_NUM];
781 u32 pcam[MLX5_ST_SZ_DW(pcam_reg)];
782 u32 mcam[MLX5_MCAM_REGS_NUM][MLX5_ST_SZ_DW(mcam_reg)];
783 u32 fpga[MLX5_ST_SZ_DW(fpga_cap)];
784 u32 qcam[MLX5_ST_SZ_DW(qcam_reg)];
785 u8 embedded_cpu;
786 } caps;
787 struct mlx5_timeouts *timeouts;
788 u64 sys_image_guid;
789 phys_addr_t iseg_base;
790 struct mlx5_init_seg __iomem *iseg;
791 phys_addr_t bar_addr;
792 enum mlx5_device_state state;
793 /* sync interface state */
794 struct mutex intf_state_mutex;
795 struct lock_class_key lock_key;
796 unsigned long intf_state;
797 struct mlx5_priv priv;
798 struct mlx5_profile profile;
799 u32 issi;
800 struct mlx5e_resources mlx5e_res;
801 struct mlx5_dm *dm;
802 struct mlx5_vxlan *vxlan;
803 struct mlx5_geneve *geneve;
804 struct {
805 struct mlx5_rsvd_gids reserved_gids;
806 u32 roce_en;
807 } roce;
808 #ifdef CONFIG_MLX5_FPGA
809 struct mlx5_fpga_device *fpga;
810 #endif
811 struct mlx5_clock clock;
812 struct mlx5_ib_clock_info *clock_info;
813 struct mlx5_fw_tracer *tracer;
814 struct mlx5_rsc_dump *rsc_dump;
815 u32 vsc_addr;
816 struct mlx5_hv_vhca *hv_vhca;
817 struct mlx5_hwmon *hwmon;
818 u64 num_block_tc;
819 u64 num_block_ipsec;
820 #ifdef CONFIG_MLX5_MACSEC
821 struct mlx5_macsec_fs *macsec_fs;
822 /* MACsec notifier chain to sync MACsec core and IB database */
823 struct blocking_notifier_head macsec_nh;
824 #endif
825 u64 num_ipsec_offloads;
826 };
827
828 struct mlx5_db {
829 __be32 *db;
830 union {
831 struct mlx5_db_pgdir *pgdir;
832 struct mlx5_ib_user_db_page *user_page;
833 } u;
834 dma_addr_t dma;
835 int index;
836 };
837
838 enum {
839 MLX5_COMP_EQ_SIZE = 1024,
840 };
841
842 enum {
843 MLX5_PTYS_IB = 1 << 0,
844 MLX5_PTYS_EN = 1 << 2,
845 };
846
847 typedef void (*mlx5_cmd_cbk_t)(int status, void *context);
848
849 enum {
850 MLX5_CMD_ENT_STATE_PENDING_COMP,
851 };
852
853 struct mlx5_cmd_work_ent {
854 unsigned long state;
855 struct mlx5_cmd_msg *in;
856 struct mlx5_cmd_msg *out;
857 void *uout;
858 int uout_size;
859 mlx5_cmd_cbk_t callback;
860 struct delayed_work cb_timeout_work;
861 void *context;
862 int idx;
863 struct completion handling;
864 struct completion done;
865 struct mlx5_cmd *cmd;
866 struct work_struct work;
867 struct mlx5_cmd_layout *lay;
868 int ret;
869 int page_queue;
870 u8 status;
871 u8 token;
872 u64 ts1;
873 u64 ts2;
874 u16 op;
875 bool polling;
876 /* Track the max comp handlers */
877 refcount_t refcnt;
878 };
879
880 enum phy_port_state {
881 MLX5_AAA_111
882 };
883
884 struct mlx5_hca_vport_context {
885 u32 field_select;
886 bool sm_virt_aware;
887 bool has_smi;
888 bool has_raw;
889 enum port_state_policy policy;
890 enum phy_port_state phys_state;
891 enum ib_port_state vport_state;
892 u8 port_physical_state;
893 u64 sys_image_guid;
894 u64 port_guid;
895 u64 node_guid;
896 u32 cap_mask1;
897 u32 cap_mask1_perm;
898 u16 cap_mask2;
899 u16 cap_mask2_perm;
900 u16 lid;
901 u8 init_type_reply; /* bitmask: see ib spec 14.2.5.6 InitTypeReply */
902 u8 lmc;
903 u8 subnet_timeout;
904 u16 sm_lid;
905 u8 sm_sl;
906 u16 qkey_violation_counter;
907 u16 pkey_violation_counter;
908 bool grh_required;
909 };
910
911 #define STRUCT_FIELD(header, field) \
912 .struct_offset_bytes = offsetof(struct ib_unpacked_ ## header, field), \
913 .struct_size_bytes = sizeof((struct ib_unpacked_ ## header *)0)->field
914
915 extern struct dentry *mlx5_debugfs_root;
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
mlx5_base_mkey(const u32 key)932 static inline u32 mlx5_base_mkey(const u32 key)
933 {
934 return key & 0xffffff00u;
935 }
936
wq_get_byte_sz(u8 log_sz,u8 log_stride)937 static inline u32 wq_get_byte_sz(u8 log_sz, u8 log_stride)
938 {
939 return ((u32)1 << log_sz) << log_stride;
940 }
941
mlx5_init_fbc_offset(struct mlx5_buf_list * frags,u8 log_stride,u8 log_sz,u16 strides_offset,struct mlx5_frag_buf_ctrl * fbc)942 static inline void mlx5_init_fbc_offset(struct mlx5_buf_list *frags,
943 u8 log_stride, u8 log_sz,
944 u16 strides_offset,
945 struct mlx5_frag_buf_ctrl *fbc)
946 {
947 fbc->frags = frags;
948 fbc->log_stride = log_stride;
949 fbc->log_sz = log_sz;
950 fbc->sz_m1 = (1 << fbc->log_sz) - 1;
951 fbc->log_frag_strides = PAGE_SHIFT - fbc->log_stride;
952 fbc->frag_sz_m1 = (1 << fbc->log_frag_strides) - 1;
953 fbc->strides_offset = strides_offset;
954 }
955
mlx5_init_fbc(struct mlx5_buf_list * frags,u8 log_stride,u8 log_sz,struct mlx5_frag_buf_ctrl * fbc)956 static inline void mlx5_init_fbc(struct mlx5_buf_list *frags,
957 u8 log_stride, u8 log_sz,
958 struct mlx5_frag_buf_ctrl *fbc)
959 {
960 mlx5_init_fbc_offset(frags, log_stride, log_sz, 0, fbc);
961 }
962
mlx5_frag_buf_get_wqe(struct mlx5_frag_buf_ctrl * fbc,u32 ix)963 static inline void *mlx5_frag_buf_get_wqe(struct mlx5_frag_buf_ctrl *fbc,
964 u32 ix)
965 {
966 unsigned int frag;
967
968 ix += fbc->strides_offset;
969 frag = ix >> fbc->log_frag_strides;
970
971 return fbc->frags[frag].buf + ((fbc->frag_sz_m1 & ix) << fbc->log_stride);
972 }
973
974 static inline u32
mlx5_frag_buf_get_idx_last_contig_stride(struct mlx5_frag_buf_ctrl * fbc,u32 ix)975 mlx5_frag_buf_get_idx_last_contig_stride(struct mlx5_frag_buf_ctrl *fbc, u32 ix)
976 {
977 u32 last_frag_stride_idx = (ix + fbc->strides_offset) | fbc->frag_sz_m1;
978
979 return min_t(u32, last_frag_stride_idx - fbc->strides_offset, fbc->sz_m1);
980 }
981
982 enum {
983 CMD_ALLOWED_OPCODE_ALL,
984 };
985
986 void mlx5_cmd_use_events(struct mlx5_core_dev *dev);
987 void mlx5_cmd_use_polling(struct mlx5_core_dev *dev);
988 void mlx5_cmd_allowed_opcode(struct mlx5_core_dev *dev, u16 opcode);
989
990 struct mlx5_async_ctx {
991 struct mlx5_core_dev *dev;
992 atomic_t num_inflight;
993 struct completion inflight_done;
994 };
995
996 struct mlx5_async_work;
997
998 typedef void (*mlx5_async_cbk_t)(int status, struct mlx5_async_work *context);
999
1000 struct mlx5_async_work {
1001 struct mlx5_async_ctx *ctx;
1002 mlx5_async_cbk_t user_callback;
1003 u16 opcode; /* cmd opcode */
1004 u16 op_mod; /* cmd op_mod */
1005 void *out; /* pointer to the cmd output buffer */
1006 };
1007
1008 void mlx5_cmd_init_async_ctx(struct mlx5_core_dev *dev,
1009 struct mlx5_async_ctx *ctx);
1010 void mlx5_cmd_cleanup_async_ctx(struct mlx5_async_ctx *ctx);
1011 int mlx5_cmd_exec_cb(struct mlx5_async_ctx *ctx, void *in, int in_size,
1012 void *out, int out_size, mlx5_async_cbk_t callback,
1013 struct mlx5_async_work *work);
1014 void mlx5_cmd_out_err(struct mlx5_core_dev *dev, u16 opcode, u16 op_mod, void *out);
1015 int mlx5_cmd_do(struct mlx5_core_dev *dev, void *in, int in_size, void *out, int out_size);
1016 int mlx5_cmd_check(struct mlx5_core_dev *dev, int err, void *in, void *out);
1017 int mlx5_cmd_exec(struct mlx5_core_dev *dev, void *in, int in_size, void *out,
1018 int out_size);
1019
1020 #define mlx5_cmd_exec_inout(dev, ifc_cmd, in, out) \
1021 ({ \
1022 mlx5_cmd_exec(dev, in, MLX5_ST_SZ_BYTES(ifc_cmd##_in), out, \
1023 MLX5_ST_SZ_BYTES(ifc_cmd##_out)); \
1024 })
1025
1026 #define mlx5_cmd_exec_in(dev, ifc_cmd, in) \
1027 ({ \
1028 u32 _out[MLX5_ST_SZ_DW(ifc_cmd##_out)] = {}; \
1029 mlx5_cmd_exec_inout(dev, ifc_cmd, in, _out); \
1030 })
1031
1032 int mlx5_cmd_exec_polling(struct mlx5_core_dev *dev, void *in, int in_size,
1033 void *out, int out_size);
1034 bool mlx5_cmd_is_down(struct mlx5_core_dev *dev);
1035
1036 void mlx5_core_uplink_netdev_set(struct mlx5_core_dev *mdev, struct net_device *netdev);
1037 void mlx5_core_uplink_netdev_event_replay(struct mlx5_core_dev *mdev);
1038
1039 void mlx5_core_mp_event_replay(struct mlx5_core_dev *dev, u32 event, void *data);
1040
1041 void mlx5_health_cleanup(struct mlx5_core_dev *dev);
1042 int mlx5_health_init(struct mlx5_core_dev *dev);
1043 void mlx5_start_health_poll(struct mlx5_core_dev *dev);
1044 void mlx5_stop_health_poll(struct mlx5_core_dev *dev, bool disable_health);
1045 void mlx5_start_health_fw_log_up(struct mlx5_core_dev *dev);
1046 void mlx5_drain_health_wq(struct mlx5_core_dev *dev);
1047 void mlx5_trigger_health_work(struct mlx5_core_dev *dev);
1048 int mlx5_frag_buf_alloc_node(struct mlx5_core_dev *dev, int size,
1049 struct mlx5_frag_buf *buf, int node);
1050 void mlx5_frag_buf_free(struct mlx5_core_dev *dev, struct mlx5_frag_buf *buf);
1051 int mlx5_core_create_mkey(struct mlx5_core_dev *dev, u32 *mkey, u32 *in,
1052 int inlen);
1053 int mlx5_core_destroy_mkey(struct mlx5_core_dev *dev, u32 mkey);
1054 int mlx5_core_query_mkey(struct mlx5_core_dev *dev, u32 mkey, u32 *out,
1055 int outlen);
1056 int mlx5_core_alloc_pd(struct mlx5_core_dev *dev, u32 *pdn);
1057 int mlx5_core_dealloc_pd(struct mlx5_core_dev *dev, u32 pdn);
1058 int mlx5_pagealloc_init(struct mlx5_core_dev *dev);
1059 void mlx5_pagealloc_cleanup(struct mlx5_core_dev *dev);
1060 void mlx5_pagealloc_start(struct mlx5_core_dev *dev);
1061 void mlx5_pagealloc_stop(struct mlx5_core_dev *dev);
1062 void mlx5_pages_debugfs_init(struct mlx5_core_dev *dev);
1063 void mlx5_pages_debugfs_cleanup(struct mlx5_core_dev *dev);
1064 int mlx5_satisfy_startup_pages(struct mlx5_core_dev *dev, int boot);
1065 int mlx5_reclaim_startup_pages(struct mlx5_core_dev *dev);
1066 void mlx5_register_debugfs(void);
1067 void mlx5_unregister_debugfs(void);
1068
1069 void mlx5_fill_page_frag_array_perm(struct mlx5_frag_buf *buf, __be64 *pas, u8 perm);
1070 void mlx5_fill_page_frag_array(struct mlx5_frag_buf *frag_buf, __be64 *pas);
1071 int mlx5_comp_eqn_get(struct mlx5_core_dev *dev, u16 vecidx, int *eqn);
1072 int mlx5_core_attach_mcg(struct mlx5_core_dev *dev, union ib_gid *mgid, u32 qpn);
1073 int mlx5_core_detach_mcg(struct mlx5_core_dev *dev, union ib_gid *mgid, u32 qpn);
1074
1075 struct dentry *mlx5_debugfs_get_dev_root(struct mlx5_core_dev *dev);
1076 void mlx5_qp_debugfs_init(struct mlx5_core_dev *dev);
1077 void mlx5_qp_debugfs_cleanup(struct mlx5_core_dev *dev);
1078 int mlx5_access_reg(struct mlx5_core_dev *dev, void *data_in, int size_in,
1079 void *data_out, int size_out, u16 reg_id, int arg,
1080 int write, bool verbose);
1081 int mlx5_core_access_reg(struct mlx5_core_dev *dev, void *data_in,
1082 int size_in, void *data_out, int size_out,
1083 u16 reg_num, int arg, int write);
1084
1085 int mlx5_db_alloc_node(struct mlx5_core_dev *dev, struct mlx5_db *db,
1086 int node);
1087
mlx5_db_alloc(struct mlx5_core_dev * dev,struct mlx5_db * db)1088 static inline int mlx5_db_alloc(struct mlx5_core_dev *dev, struct mlx5_db *db)
1089 {
1090 return mlx5_db_alloc_node(dev, db, dev->priv.numa_node);
1091 }
1092
1093 void mlx5_db_free(struct mlx5_core_dev *dev, struct mlx5_db *db);
1094
1095 const char *mlx5_command_str(int command);
1096 void mlx5_cmdif_debugfs_init(struct mlx5_core_dev *dev);
1097 void mlx5_cmdif_debugfs_cleanup(struct mlx5_core_dev *dev);
1098 int mlx5_core_create_psv(struct mlx5_core_dev *dev, u32 pdn,
1099 int npsvs, u32 *sig_index);
1100 int mlx5_core_destroy_psv(struct mlx5_core_dev *dev, int psv_num);
1101 __be32 mlx5_core_get_terminate_scatter_list_mkey(struct mlx5_core_dev *dev);
1102 void mlx5_core_put_rsc(struct mlx5_core_rsc_common *common);
1103
1104 int mlx5_init_rl_table(struct mlx5_core_dev *dev);
1105 void mlx5_cleanup_rl_table(struct mlx5_core_dev *dev);
1106 int mlx5_rl_add_rate(struct mlx5_core_dev *dev, u16 *index,
1107 struct mlx5_rate_limit *rl);
1108 void mlx5_rl_remove_rate(struct mlx5_core_dev *dev, struct mlx5_rate_limit *rl);
1109 bool mlx5_rl_is_in_range(struct mlx5_core_dev *dev, u32 rate);
1110 int mlx5_rl_add_rate_raw(struct mlx5_core_dev *dev, void *rl_in, u16 uid,
1111 bool dedicated_entry, u16 *index);
1112 void mlx5_rl_remove_rate_raw(struct mlx5_core_dev *dev, u16 index);
1113 bool mlx5_rl_are_equal(struct mlx5_rate_limit *rl_0,
1114 struct mlx5_rate_limit *rl_1);
1115 int mlx5_alloc_bfreg(struct mlx5_core_dev *mdev, struct mlx5_sq_bfreg *bfreg,
1116 bool map_wc, bool fast_path);
1117 void mlx5_free_bfreg(struct mlx5_core_dev *mdev, struct mlx5_sq_bfreg *bfreg);
1118
1119 unsigned int mlx5_comp_vectors_max(struct mlx5_core_dev *dev);
1120 int mlx5_comp_vector_get_cpu(struct mlx5_core_dev *dev, int vector);
1121 unsigned int mlx5_core_reserved_gids_count(struct mlx5_core_dev *dev);
1122 int mlx5_core_roce_gid_set(struct mlx5_core_dev *dev, unsigned int index,
1123 u8 roce_version, u8 roce_l3_type, const u8 *gid,
1124 const u8 *mac, bool vlan, u16 vlan_id, u8 port_num);
1125
mlx5_mkey_to_idx(u32 mkey)1126 static inline u32 mlx5_mkey_to_idx(u32 mkey)
1127 {
1128 return mkey >> 8;
1129 }
1130
mlx5_idx_to_mkey(u32 mkey_idx)1131 static inline u32 mlx5_idx_to_mkey(u32 mkey_idx)
1132 {
1133 return mkey_idx << 8;
1134 }
1135
mlx5_mkey_variant(u32 mkey)1136 static inline u8 mlx5_mkey_variant(u32 mkey)
1137 {
1138 return mkey & 0xff;
1139 }
1140
1141 /* Async-atomic event notifier used by mlx5 core to forward FW
1142 * evetns received from event queue to mlx5 consumers.
1143 * Optimise event queue dipatching.
1144 */
1145 int mlx5_notifier_register(struct mlx5_core_dev *dev, struct notifier_block *nb);
1146 int mlx5_notifier_unregister(struct mlx5_core_dev *dev, struct notifier_block *nb);
1147
1148 /* Async-atomic event notifier used for forwarding
1149 * evetns from the event queue into the to mlx5 events dispatcher,
1150 * eswitch, clock and others.
1151 */
1152 int mlx5_eq_notifier_register(struct mlx5_core_dev *dev, struct mlx5_nb *nb);
1153 int mlx5_eq_notifier_unregister(struct mlx5_core_dev *dev, struct mlx5_nb *nb);
1154
1155 /* Blocking event notifier used to forward SW events, used for slow path */
1156 int mlx5_blocking_notifier_register(struct mlx5_core_dev *dev, struct notifier_block *nb);
1157 int mlx5_blocking_notifier_unregister(struct mlx5_core_dev *dev, struct notifier_block *nb);
1158 int mlx5_blocking_notifier_call_chain(struct mlx5_core_dev *dev, unsigned int event,
1159 void *data);
1160
1161 int mlx5_core_query_vendor_id(struct mlx5_core_dev *mdev, u32 *vendor_id);
1162
1163 int mlx5_cmd_create_vport_lag(struct mlx5_core_dev *dev);
1164 int mlx5_cmd_destroy_vport_lag(struct mlx5_core_dev *dev);
1165 bool mlx5_lag_is_roce(struct mlx5_core_dev *dev);
1166 bool mlx5_lag_is_sriov(struct mlx5_core_dev *dev);
1167 bool mlx5_lag_is_active(struct mlx5_core_dev *dev);
1168 bool mlx5_lag_mode_is_hash(struct mlx5_core_dev *dev);
1169 bool mlx5_lag_is_master(struct mlx5_core_dev *dev);
1170 bool mlx5_lag_is_shared_fdb(struct mlx5_core_dev *dev);
1171 bool mlx5_lag_is_mpesw(struct mlx5_core_dev *dev);
1172 struct net_device *mlx5_lag_get_roce_netdev(struct mlx5_core_dev *dev);
1173 u8 mlx5_lag_get_slave_port(struct mlx5_core_dev *dev,
1174 struct net_device *slave);
1175 int mlx5_lag_query_cong_counters(struct mlx5_core_dev *dev,
1176 u64 *values,
1177 int num_counters,
1178 size_t *offsets);
1179 struct mlx5_core_dev *mlx5_lag_get_next_peer_mdev(struct mlx5_core_dev *dev, int *i);
1180
1181 #define mlx5_lag_for_each_peer_mdev(dev, peer, i) \
1182 for (i = 0, peer = mlx5_lag_get_next_peer_mdev(dev, &i); \
1183 peer; \
1184 peer = mlx5_lag_get_next_peer_mdev(dev, &i))
1185
1186 u8 mlx5_lag_get_num_ports(struct mlx5_core_dev *dev);
1187 struct mlx5_uars_page *mlx5_get_uars_page(struct mlx5_core_dev *mdev);
1188 void mlx5_put_uars_page(struct mlx5_core_dev *mdev, struct mlx5_uars_page *up);
1189 int mlx5_dm_sw_icm_alloc(struct mlx5_core_dev *dev, enum mlx5_sw_icm_type type,
1190 u64 length, u32 log_alignment, u16 uid,
1191 phys_addr_t *addr, u32 *obj_id);
1192 int mlx5_dm_sw_icm_dealloc(struct mlx5_core_dev *dev, enum mlx5_sw_icm_type type,
1193 u64 length, u16 uid, phys_addr_t addr, u32 obj_id);
1194
1195 struct mlx5_core_dev *mlx5_vf_get_core_dev(struct pci_dev *pdev);
1196 void mlx5_vf_put_core_dev(struct mlx5_core_dev *mdev);
1197
1198 int mlx5_sriov_blocking_notifier_register(struct mlx5_core_dev *mdev,
1199 int vf_id,
1200 struct notifier_block *nb);
1201 void mlx5_sriov_blocking_notifier_unregister(struct mlx5_core_dev *mdev,
1202 int vf_id,
1203 struct notifier_block *nb);
1204 int mlx5_rdma_rn_get_params(struct mlx5_core_dev *mdev,
1205 struct ib_device *device,
1206 struct rdma_netdev_alloc_params *params);
1207
1208 enum {
1209 MLX5_PCI_DEV_IS_VF = 1 << 0,
1210 };
1211
mlx5_core_is_pf(const struct mlx5_core_dev * dev)1212 static inline bool mlx5_core_is_pf(const struct mlx5_core_dev *dev)
1213 {
1214 return dev->coredev_type == MLX5_COREDEV_PF;
1215 }
1216
mlx5_core_is_vf(const struct mlx5_core_dev * dev)1217 static inline bool mlx5_core_is_vf(const struct mlx5_core_dev *dev)
1218 {
1219 return dev->coredev_type == MLX5_COREDEV_VF;
1220 }
1221
mlx5_core_is_ecpf(const struct mlx5_core_dev * dev)1222 static inline bool mlx5_core_is_ecpf(const struct mlx5_core_dev *dev)
1223 {
1224 return dev->caps.embedded_cpu;
1225 }
1226
1227 static inline bool
mlx5_core_is_ecpf_esw_manager(const struct mlx5_core_dev * dev)1228 mlx5_core_is_ecpf_esw_manager(const struct mlx5_core_dev *dev)
1229 {
1230 return dev->caps.embedded_cpu && MLX5_CAP_GEN(dev, eswitch_manager);
1231 }
1232
mlx5_ecpf_vport_exists(const struct mlx5_core_dev * dev)1233 static inline bool mlx5_ecpf_vport_exists(const struct mlx5_core_dev *dev)
1234 {
1235 return mlx5_core_is_pf(dev) && MLX5_CAP_ESW(dev, ecpf_vport_exists);
1236 }
1237
mlx5_core_max_vfs(const struct mlx5_core_dev * dev)1238 static inline u16 mlx5_core_max_vfs(const struct mlx5_core_dev *dev)
1239 {
1240 return dev->priv.sriov.max_vfs;
1241 }
1242
mlx5_lag_is_lacp_owner(struct mlx5_core_dev * dev)1243 static inline int mlx5_lag_is_lacp_owner(struct mlx5_core_dev *dev)
1244 {
1245 /* LACP owner conditions:
1246 * 1) Function is physical.
1247 * 2) LAG is supported by FW.
1248 * 3) LAG is managed by driver (currently the only option).
1249 */
1250 return MLX5_CAP_GEN(dev, vport_group_manager) &&
1251 (MLX5_CAP_GEN(dev, num_lag_ports) > 1) &&
1252 MLX5_CAP_GEN(dev, lag_master);
1253 }
1254
mlx5_core_max_ec_vfs(const struct mlx5_core_dev * dev)1255 static inline u16 mlx5_core_max_ec_vfs(const struct mlx5_core_dev *dev)
1256 {
1257 return dev->priv.sriov.max_ec_vfs;
1258 }
1259
mlx5_get_gid_table_len(u16 param)1260 static inline int mlx5_get_gid_table_len(u16 param)
1261 {
1262 if (param > 4) {
1263 pr_warn("gid table length is zero\n");
1264 return 0;
1265 }
1266
1267 return 8 * (1 << param);
1268 }
1269
mlx5_rl_is_supported(struct mlx5_core_dev * dev)1270 static inline bool mlx5_rl_is_supported(struct mlx5_core_dev *dev)
1271 {
1272 return !!(dev->priv.rl_table.max_size);
1273 }
1274
mlx5_core_is_mp_slave(struct mlx5_core_dev * dev)1275 static inline int mlx5_core_is_mp_slave(struct mlx5_core_dev *dev)
1276 {
1277 return MLX5_CAP_GEN(dev, affiliate_nic_vport_criteria) &&
1278 MLX5_CAP_GEN(dev, num_vhca_ports) <= 1;
1279 }
1280
mlx5_core_is_mp_master(struct mlx5_core_dev * dev)1281 static inline int mlx5_core_is_mp_master(struct mlx5_core_dev *dev)
1282 {
1283 return MLX5_CAP_GEN(dev, num_vhca_ports) > 1;
1284 }
1285
mlx5_core_mp_enabled(struct mlx5_core_dev * dev)1286 static inline int mlx5_core_mp_enabled(struct mlx5_core_dev *dev)
1287 {
1288 return mlx5_core_is_mp_slave(dev) ||
1289 mlx5_core_is_mp_master(dev);
1290 }
1291
mlx5_core_native_port_num(struct mlx5_core_dev * dev)1292 static inline int mlx5_core_native_port_num(struct mlx5_core_dev *dev)
1293 {
1294 if (!mlx5_core_mp_enabled(dev))
1295 return 1;
1296
1297 return MLX5_CAP_GEN(dev, native_port_num);
1298 }
1299
mlx5_get_dev_index(struct mlx5_core_dev * dev)1300 static inline int mlx5_get_dev_index(struct mlx5_core_dev *dev)
1301 {
1302 int idx = MLX5_CAP_GEN(dev, native_port_num);
1303
1304 if (idx >= 1 && idx <= MLX5_MAX_PORTS)
1305 return idx - 1;
1306 else
1307 return PCI_FUNC(dev->pdev->devfn);
1308 }
1309
1310 enum {
1311 MLX5_TRIGGERED_CMD_COMP = (u64)1 << 32,
1312 };
1313
1314 bool mlx5_is_roce_on(struct mlx5_core_dev *dev);
1315
mlx5_get_roce_state(struct mlx5_core_dev * dev)1316 static inline bool mlx5_get_roce_state(struct mlx5_core_dev *dev)
1317 {
1318 if (MLX5_CAP_GEN(dev, roce_rw_supported))
1319 return MLX5_CAP_GEN(dev, roce);
1320
1321 /* If RoCE cap is read-only in FW, get RoCE state from devlink
1322 * in order to support RoCE enable/disable feature
1323 */
1324 return mlx5_is_roce_on(dev);
1325 }
1326
1327 #ifdef CONFIG_MLX5_MACSEC
mlx5e_is_macsec_device(const struct mlx5_core_dev * mdev)1328 static inline bool mlx5e_is_macsec_device(const struct mlx5_core_dev *mdev)
1329 {
1330 if (!(MLX5_CAP_GEN_64(mdev, general_obj_types) &
1331 MLX5_GENERAL_OBJ_TYPES_CAP_MACSEC_OFFLOAD))
1332 return false;
1333
1334 if (!MLX5_CAP_GEN(mdev, log_max_dek))
1335 return false;
1336
1337 if (!MLX5_CAP_MACSEC(mdev, log_max_macsec_offload))
1338 return false;
1339
1340 if (!MLX5_CAP_FLOWTABLE_NIC_RX(mdev, macsec_decrypt) ||
1341 !MLX5_CAP_FLOWTABLE_NIC_RX(mdev, reformat_remove_macsec))
1342 return false;
1343
1344 if (!MLX5_CAP_FLOWTABLE_NIC_TX(mdev, macsec_encrypt) ||
1345 !MLX5_CAP_FLOWTABLE_NIC_TX(mdev, reformat_add_macsec))
1346 return false;
1347
1348 if (!MLX5_CAP_MACSEC(mdev, macsec_crypto_esp_aes_gcm_128_encrypt) &&
1349 !MLX5_CAP_MACSEC(mdev, macsec_crypto_esp_aes_gcm_256_encrypt))
1350 return false;
1351
1352 if (!MLX5_CAP_MACSEC(mdev, macsec_crypto_esp_aes_gcm_128_decrypt) &&
1353 !MLX5_CAP_MACSEC(mdev, macsec_crypto_esp_aes_gcm_256_decrypt))
1354 return false;
1355
1356 return true;
1357 }
1358
1359 #define NIC_RDMA_BOTH_DIRS_CAPS (MLX5_FT_NIC_RX_2_NIC_RX_RDMA | MLX5_FT_NIC_TX_RDMA_2_NIC_TX)
1360
mlx5_is_macsec_roce_supported(struct mlx5_core_dev * mdev)1361 static inline bool mlx5_is_macsec_roce_supported(struct mlx5_core_dev *mdev)
1362 {
1363 if (((MLX5_CAP_GEN_2(mdev, flow_table_type_2_type) &
1364 NIC_RDMA_BOTH_DIRS_CAPS) != NIC_RDMA_BOTH_DIRS_CAPS) ||
1365 !MLX5_CAP_FLOWTABLE_RDMA_TX(mdev, max_modify_header_actions) ||
1366 !mlx5e_is_macsec_device(mdev) || !mdev->macsec_fs)
1367 return false;
1368
1369 return true;
1370 }
1371 #endif
1372
1373 enum {
1374 MLX5_OCTWORD = 16,
1375 };
1376
1377 struct msi_map mlx5_msix_alloc(struct mlx5_core_dev *dev,
1378 irqreturn_t (*handler)(int, void *),
1379 const struct irq_affinity_desc *affdesc,
1380 const char *name);
1381 void mlx5_msix_free(struct mlx5_core_dev *dev, struct msi_map map);
1382
1383 #endif /* MLX5_DRIVER_H */
1384