xref: /linux-6.15/include/linux/mlx5/driver.h (revision fe968ca2) 
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 
53 #include <linux/mlx5/device.h>
54 #include <linux/mlx5/doorbell.h>
55 #include <linux/mlx5/eq.h>
56 #include <linux/timecounter.h>
57 #include <linux/ptp_clock_kernel.h>
58 #include <net/devlink.h>
59 
60 #define MLX5_ADEV_NAME "mlx5_core"
61 
62 enum {
63 	MLX5_BOARD_ID_LEN = 64,
64 };
65 
66 enum {
67 	/* one minute for the sake of bringup. Generally, commands must always
68 	 * complete and we may need to increase this timeout value
69 	 */
70 	MLX5_CMD_TIMEOUT_MSEC	= 60 * 1000,
71 	MLX5_CMD_WQ_MAX_NAME	= 32,
72 };
73 
74 enum {
75 	CMD_OWNER_SW		= 0x0,
76 	CMD_OWNER_HW		= 0x1,
77 	CMD_STATUS_SUCCESS	= 0,
78 };
79 
80 enum mlx5_sqp_t {
81 	MLX5_SQP_SMI		= 0,
82 	MLX5_SQP_GSI		= 1,
83 	MLX5_SQP_IEEE_1588	= 2,
84 	MLX5_SQP_SNIFFER	= 3,
85 	MLX5_SQP_SYNC_UMR	= 4,
86 };
87 
88 enum {
89 	MLX5_MAX_PORTS	= 2,
90 };
91 
92 enum {
93 	MLX5_ATOMIC_MODE_OFFSET = 16,
94 	MLX5_ATOMIC_MODE_IB_COMP = 1,
95 	MLX5_ATOMIC_MODE_CX = 2,
96 	MLX5_ATOMIC_MODE_8B = 3,
97 	MLX5_ATOMIC_MODE_16B = 4,
98 	MLX5_ATOMIC_MODE_32B = 5,
99 	MLX5_ATOMIC_MODE_64B = 6,
100 	MLX5_ATOMIC_MODE_128B = 7,
101 	MLX5_ATOMIC_MODE_256B = 8,
102 };
103 
104 enum {
105 	MLX5_REG_QPTS            = 0x4002,
106 	MLX5_REG_QETCR		 = 0x4005,
107 	MLX5_REG_QTCT		 = 0x400a,
108 	MLX5_REG_QPDPM           = 0x4013,
109 	MLX5_REG_QCAM            = 0x4019,
110 	MLX5_REG_DCBX_PARAM      = 0x4020,
111 	MLX5_REG_DCBX_APP        = 0x4021,
112 	MLX5_REG_FPGA_CAP	 = 0x4022,
113 	MLX5_REG_FPGA_CTRL	 = 0x4023,
114 	MLX5_REG_FPGA_ACCESS_REG = 0x4024,
115 	MLX5_REG_CORE_DUMP	 = 0x402e,
116 	MLX5_REG_PCAP		 = 0x5001,
117 	MLX5_REG_PMTU		 = 0x5003,
118 	MLX5_REG_PTYS		 = 0x5004,
119 	MLX5_REG_PAOS		 = 0x5006,
120 	MLX5_REG_PFCC            = 0x5007,
121 	MLX5_REG_PPCNT		 = 0x5008,
122 	MLX5_REG_PPTB            = 0x500b,
123 	MLX5_REG_PBMC            = 0x500c,
124 	MLX5_REG_PMAOS		 = 0x5012,
125 	MLX5_REG_PUDE		 = 0x5009,
126 	MLX5_REG_PMPE		 = 0x5010,
127 	MLX5_REG_PELC		 = 0x500e,
128 	MLX5_REG_PVLC		 = 0x500f,
129 	MLX5_REG_PCMR		 = 0x5041,
130 	MLX5_REG_PDDR		 = 0x5031,
131 	MLX5_REG_PMLP		 = 0x5002,
132 	MLX5_REG_PPLM		 = 0x5023,
133 	MLX5_REG_PCAM		 = 0x507f,
134 	MLX5_REG_NODE_DESC	 = 0x6001,
135 	MLX5_REG_HOST_ENDIANNESS = 0x7004,
136 	MLX5_REG_MCIA		 = 0x9014,
137 	MLX5_REG_MFRL		 = 0x9028,
138 	MLX5_REG_MLCR		 = 0x902b,
139 	MLX5_REG_MTRC_CAP	 = 0x9040,
140 	MLX5_REG_MTRC_CONF	 = 0x9041,
141 	MLX5_REG_MTRC_STDB	 = 0x9042,
142 	MLX5_REG_MTRC_CTRL	 = 0x9043,
143 	MLX5_REG_MPEIN		 = 0x9050,
144 	MLX5_REG_MPCNT		 = 0x9051,
145 	MLX5_REG_MTPPS		 = 0x9053,
146 	MLX5_REG_MTPPSE		 = 0x9054,
147 	MLX5_REG_MTUTC		 = 0x9055,
148 	MLX5_REG_MPEGC		 = 0x9056,
149 	MLX5_REG_MCQS		 = 0x9060,
150 	MLX5_REG_MCQI		 = 0x9061,
151 	MLX5_REG_MCC		 = 0x9062,
152 	MLX5_REG_MCDA		 = 0x9063,
153 	MLX5_REG_MCAM		 = 0x907f,
154 	MLX5_REG_MIRC		 = 0x9162,
155 	MLX5_REG_SBCAM		 = 0xB01F,
156 	MLX5_REG_RESOURCE_DUMP   = 0xC000,
157 };
158 
159 enum mlx5_qpts_trust_state {
160 	MLX5_QPTS_TRUST_PCP  = 1,
161 	MLX5_QPTS_TRUST_DSCP = 2,
162 };
163 
164 enum mlx5_dcbx_oper_mode {
165 	MLX5E_DCBX_PARAM_VER_OPER_HOST  = 0x0,
166 	MLX5E_DCBX_PARAM_VER_OPER_AUTO  = 0x3,
167 };
168 
169 enum {
170 	MLX5_ATOMIC_OPS_CMP_SWAP	= 1 << 0,
171 	MLX5_ATOMIC_OPS_FETCH_ADD	= 1 << 1,
172 	MLX5_ATOMIC_OPS_EXTENDED_CMP_SWAP = 1 << 2,
173 	MLX5_ATOMIC_OPS_EXTENDED_FETCH_ADD = 1 << 3,
174 };
175 
176 enum mlx5_page_fault_resume_flags {
177 	MLX5_PAGE_FAULT_RESUME_REQUESTOR = 1 << 0,
178 	MLX5_PAGE_FAULT_RESUME_WRITE	 = 1 << 1,
179 	MLX5_PAGE_FAULT_RESUME_RDMA	 = 1 << 2,
180 	MLX5_PAGE_FAULT_RESUME_ERROR	 = 1 << 7,
181 };
182 
183 enum dbg_rsc_type {
184 	MLX5_DBG_RSC_QP,
185 	MLX5_DBG_RSC_EQ,
186 	MLX5_DBG_RSC_CQ,
187 };
188 
189 enum port_state_policy {
190 	MLX5_POLICY_DOWN	= 0,
191 	MLX5_POLICY_UP		= 1,
192 	MLX5_POLICY_FOLLOW	= 2,
193 	MLX5_POLICY_INVALID	= 0xffffffff
194 };
195 
196 enum mlx5_coredev_type {
197 	MLX5_COREDEV_PF,
198 	MLX5_COREDEV_VF,
199 	MLX5_COREDEV_SF,
200 };
201 
202 struct mlx5_field_desc {
203 	int			i;
204 };
205 
206 struct mlx5_rsc_debug {
207 	struct mlx5_core_dev   *dev;
208 	void		       *object;
209 	enum dbg_rsc_type	type;
210 	struct dentry	       *root;
211 	struct mlx5_field_desc	fields[];
212 };
213 
214 enum mlx5_dev_event {
215 	MLX5_DEV_EVENT_SYS_ERROR = 128, /* 0 - 127 are FW events */
216 	MLX5_DEV_EVENT_PORT_AFFINITY = 129,
217 };
218 
219 enum mlx5_port_status {
220 	MLX5_PORT_UP        = 1,
221 	MLX5_PORT_DOWN      = 2,
222 };
223 
224 enum mlx5_cmdif_state {
225 	MLX5_CMDIF_STATE_UNINITIALIZED,
226 	MLX5_CMDIF_STATE_UP,
227 	MLX5_CMDIF_STATE_DOWN,
228 };
229 
230 struct mlx5_cmd_first {
231 	__be32		data[4];
232 };
233 
234 struct mlx5_cmd_msg {
235 	struct list_head		list;
236 	struct cmd_msg_cache	       *parent;
237 	u32				len;
238 	struct mlx5_cmd_first		first;
239 	struct mlx5_cmd_mailbox	       *next;
240 };
241 
242 struct mlx5_cmd_debug {
243 	struct dentry	       *dbg_root;
244 	void		       *in_msg;
245 	void		       *out_msg;
246 	u8			status;
247 	u16			inlen;
248 	u16			outlen;
249 };
250 
251 struct cmd_msg_cache {
252 	/* protect block chain allocations
253 	 */
254 	spinlock_t		lock;
255 	struct list_head	head;
256 	unsigned int		max_inbox_size;
257 	unsigned int		num_ent;
258 };
259 
260 enum {
261 	MLX5_NUM_COMMAND_CACHES = 5,
262 };
263 
264 struct mlx5_cmd_stats {
265 	u64		sum;
266 	u64		n;
267 	struct dentry  *root;
268 	/* protect command average calculations */
269 	spinlock_t	lock;
270 };
271 
272 struct mlx5_cmd {
273 	struct mlx5_nb    nb;
274 
275 	enum mlx5_cmdif_state	state;
276 	void	       *cmd_alloc_buf;
277 	dma_addr_t	alloc_dma;
278 	int		alloc_size;
279 	void	       *cmd_buf;
280 	dma_addr_t	dma;
281 	u16		cmdif_rev;
282 	u8		log_sz;
283 	u8		log_stride;
284 	int		max_reg_cmds;
285 	int		events;
286 	u32 __iomem    *vector;
287 
288 	/* protect command queue allocations
289 	 */
290 	spinlock_t	alloc_lock;
291 
292 	/* protect token allocations
293 	 */
294 	spinlock_t	token_lock;
295 	u8		token;
296 	unsigned long	bitmask;
297 	char		wq_name[MLX5_CMD_WQ_MAX_NAME];
298 	struct workqueue_struct *wq;
299 	struct semaphore sem;
300 	struct semaphore pages_sem;
301 	int	mode;
302 	u16     allowed_opcode;
303 	struct mlx5_cmd_work_ent *ent_arr[MLX5_MAX_COMMANDS];
304 	struct dma_pool *pool;
305 	struct mlx5_cmd_debug dbg;
306 	struct cmd_msg_cache cache[MLX5_NUM_COMMAND_CACHES];
307 	int checksum_disabled;
308 	struct mlx5_cmd_stats *stats;
309 };
310 
311 struct mlx5_cmd_mailbox {
312 	void	       *buf;
313 	dma_addr_t	dma;
314 	struct mlx5_cmd_mailbox *next;
315 };
316 
317 struct mlx5_buf_list {
318 	void		       *buf;
319 	dma_addr_t		map;
320 };
321 
322 struct mlx5_frag_buf {
323 	struct mlx5_buf_list	*frags;
324 	int			npages;
325 	int			size;
326 	u8			page_shift;
327 };
328 
329 struct mlx5_frag_buf_ctrl {
330 	struct mlx5_buf_list   *frags;
331 	u32			sz_m1;
332 	u16			frag_sz_m1;
333 	u16			strides_offset;
334 	u8			log_sz;
335 	u8			log_stride;
336 	u8			log_frag_strides;
337 };
338 
339 struct mlx5_core_psv {
340 	u32	psv_idx;
341 	struct psv_layout {
342 		u32	pd;
343 		u16	syndrome;
344 		u16	reserved;
345 		u16	bg;
346 		u16	app_tag;
347 		u32	ref_tag;
348 	} psv;
349 };
350 
351 struct mlx5_core_sig_ctx {
352 	struct mlx5_core_psv	psv_memory;
353 	struct mlx5_core_psv	psv_wire;
354 	struct ib_sig_err       err_item;
355 	bool			sig_status_checked;
356 	bool			sig_err_exists;
357 	u32			sigerr_count;
358 };
359 
360 enum {
361 	MLX5_MKEY_MR = 1,
362 	MLX5_MKEY_MW,
363 	MLX5_MKEY_INDIRECT_DEVX,
364 };
365 
366 struct mlx5_core_mkey {
367 	u64			iova;
368 	u64			size;
369 	u32			key;
370 	u32			pd;
371 	u32			type;
372 	struct wait_queue_head wait;
373 	refcount_t usecount;
374 };
375 
376 #define MLX5_24BIT_MASK		((1 << 24) - 1)
377 
378 enum mlx5_res_type {
379 	MLX5_RES_QP	= MLX5_EVENT_QUEUE_TYPE_QP,
380 	MLX5_RES_RQ	= MLX5_EVENT_QUEUE_TYPE_RQ,
381 	MLX5_RES_SQ	= MLX5_EVENT_QUEUE_TYPE_SQ,
382 	MLX5_RES_SRQ	= 3,
383 	MLX5_RES_XSRQ	= 4,
384 	MLX5_RES_XRQ	= 5,
385 	MLX5_RES_DCT	= MLX5_EVENT_QUEUE_TYPE_DCT,
386 };
387 
388 struct mlx5_core_rsc_common {
389 	enum mlx5_res_type	res;
390 	refcount_t		refcount;
391 	struct completion	free;
392 };
393 
394 struct mlx5_uars_page {
395 	void __iomem	       *map;
396 	bool			wc;
397 	u32			index;
398 	struct list_head	list;
399 	unsigned int		bfregs;
400 	unsigned long	       *reg_bitmap; /* for non fast path bf regs */
401 	unsigned long	       *fp_bitmap;
402 	unsigned int		reg_avail;
403 	unsigned int		fp_avail;
404 	struct kref		ref_count;
405 	struct mlx5_core_dev   *mdev;
406 };
407 
408 struct mlx5_bfreg_head {
409 	/* protect blue flame registers allocations */
410 	struct mutex		lock;
411 	struct list_head	list;
412 };
413 
414 struct mlx5_bfreg_data {
415 	struct mlx5_bfreg_head	reg_head;
416 	struct mlx5_bfreg_head	wc_head;
417 };
418 
419 struct mlx5_sq_bfreg {
420 	void __iomem	       *map;
421 	struct mlx5_uars_page  *up;
422 	bool			wc;
423 	u32			index;
424 	unsigned int		offset;
425 };
426 
427 struct mlx5_core_health {
428 	struct health_buffer __iomem   *health;
429 	__be32 __iomem		       *health_counter;
430 	struct timer_list		timer;
431 	u32				prev;
432 	int				miss_counter;
433 	u8				synd;
434 	u32				fatal_error;
435 	u32				crdump_size;
436 	/* wq spinlock to synchronize draining */
437 	spinlock_t			wq_lock;
438 	struct workqueue_struct	       *wq;
439 	unsigned long			flags;
440 	struct work_struct		fatal_report_work;
441 	struct work_struct		report_work;
442 	struct devlink_health_reporter *fw_reporter;
443 	struct devlink_health_reporter *fw_fatal_reporter;
444 };
445 
446 struct mlx5_qp_table {
447 	struct notifier_block   nb;
448 
449 	/* protect radix tree
450 	 */
451 	spinlock_t		lock;
452 	struct radix_tree_root	tree;
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 };
466 
467 struct mlx5_core_sriov {
468 	struct mlx5_vf_context	*vfs_ctx;
469 	int			num_vfs;
470 	u16			max_vfs;
471 };
472 
473 struct mlx5_fc_pool {
474 	struct mlx5_core_dev *dev;
475 	struct mutex pool_lock; /* protects pool lists */
476 	struct list_head fully_used;
477 	struct list_head partially_used;
478 	struct list_head unused;
479 	int available_fcs;
480 	int used_fcs;
481 	int threshold;
482 };
483 
484 struct mlx5_fc_stats {
485 	spinlock_t counters_idr_lock; /* protects counters_idr */
486 	struct idr counters_idr;
487 	struct list_head counters;
488 	struct llist_head addlist;
489 	struct llist_head dellist;
490 
491 	struct workqueue_struct *wq;
492 	struct delayed_work work;
493 	unsigned long next_query;
494 	unsigned long sampling_interval; /* jiffies */
495 	u32 *bulk_query_out;
496 	struct mlx5_fc_pool fc_pool;
497 };
498 
499 struct mlx5_events;
500 struct mlx5_mpfs;
501 struct mlx5_eswitch;
502 struct mlx5_lag;
503 struct mlx5_devcom;
504 struct mlx5_fw_reset;
505 struct mlx5_eq_table;
506 struct mlx5_irq_table;
507 struct mlx5_vhca_state_notifier;
508 struct mlx5_sf_dev_table;
509 struct mlx5_sf_hw_table;
510 struct mlx5_sf_table;
511 
512 struct mlx5_rate_limit {
513 	u32			rate;
514 	u32			max_burst_sz;
515 	u16			typical_pkt_sz;
516 };
517 
518 struct mlx5_rl_entry {
519 	u8 rl_raw[MLX5_ST_SZ_BYTES(set_pp_rate_limit_context)];
520 	u64 refcount;
521 	u16 index;
522 	u16 uid;
523 	u8 dedicated : 1;
524 };
525 
526 struct mlx5_rl_table {
527 	/* protect rate limit table */
528 	struct mutex            rl_lock;
529 	u16                     max_size;
530 	u32                     max_rate;
531 	u32                     min_rate;
532 	struct mlx5_rl_entry   *rl_entry;
533 	u64 refcount;
534 };
535 
536 struct mlx5_core_roce {
537 	struct mlx5_flow_table *ft;
538 	struct mlx5_flow_group *fg;
539 	struct mlx5_flow_handle *allow_rule;
540 };
541 
542 enum {
543 	MLX5_PRIV_FLAGS_DISABLE_IB_ADEV = 1 << 0,
544 	MLX5_PRIV_FLAGS_DISABLE_ALL_ADEV = 1 << 1,
545 	/* Set during device detach to block any further devices
546 	 * creation/deletion on drivers rescan. Unset during device attach.
547 	 */
548 	MLX5_PRIV_FLAGS_DETACH = 1 << 2,
549 };
550 
551 struct mlx5_adev {
552 	struct auxiliary_device adev;
553 	struct mlx5_core_dev *mdev;
554 	int idx;
555 };
556 
557 struct mlx5_ft_pool;
558 struct mlx5_priv {
559 	/* IRQ table valid only for real pci devices PF or VF */
560 	struct mlx5_irq_table   *irq_table;
561 	struct mlx5_eq_table	*eq_table;
562 
563 	/* pages stuff */
564 	struct mlx5_nb          pg_nb;
565 	struct workqueue_struct *pg_wq;
566 	struct xarray           page_root_xa;
567 	int			fw_pages;
568 	atomic_t		reg_pages;
569 	struct list_head	free_list;
570 	int			vfs_pages;
571 	int			host_pf_pages;
572 
573 	struct mlx5_core_health health;
574 	struct list_head	traps;
575 
576 	/* start: qp staff */
577 	struct dentry	       *qp_debugfs;
578 	struct dentry	       *eq_debugfs;
579 	struct dentry	       *cq_debugfs;
580 	struct dentry	       *cmdif_debugfs;
581 	/* end: qp staff */
582 
583 	/* start: alloc staff */
584 	/* protect buffer alocation according to numa node */
585 	struct mutex            alloc_mutex;
586 	int                     numa_node;
587 
588 	struct mutex            pgdir_mutex;
589 	struct list_head        pgdir_list;
590 	/* end: alloc staff */
591 	struct dentry	       *dbg_root;
592 
593 	struct list_head        ctx_list;
594 	spinlock_t              ctx_lock;
595 	struct mlx5_adev       **adev;
596 	int			adev_idx;
597 	struct mlx5_events      *events;
598 
599 	struct mlx5_flow_steering *steering;
600 	struct mlx5_mpfs        *mpfs;
601 	struct mlx5_eswitch     *eswitch;
602 	struct mlx5_core_sriov	sriov;
603 	struct mlx5_lag		*lag;
604 	u32			flags;
605 	struct mlx5_devcom	*devcom;
606 	struct mlx5_fw_reset	*fw_reset;
607 	struct mlx5_core_roce	roce;
608 	struct mlx5_fc_stats		fc_stats;
609 	struct mlx5_rl_table            rl_table;
610 	struct mlx5_ft_pool		*ft_pool;
611 
612 	struct mlx5_bfreg_data		bfregs;
613 	struct mlx5_uars_page	       *uar;
614 #ifdef CONFIG_MLX5_SF
615 	struct mlx5_vhca_state_notifier *vhca_state_notifier;
616 	struct mlx5_sf_dev_table *sf_dev_table;
617 	struct mlx5_core_dev *parent_mdev;
618 #endif
619 #ifdef CONFIG_MLX5_SF_MANAGER
620 	struct mlx5_sf_hw_table *sf_hw_table;
621 	struct mlx5_sf_table *sf_table;
622 #endif
623 };
624 
625 enum mlx5_device_state {
626 	MLX5_DEVICE_STATE_UNINITIALIZED,
627 	MLX5_DEVICE_STATE_UP,
628 	MLX5_DEVICE_STATE_INTERNAL_ERROR,
629 };
630 
631 enum mlx5_interface_state {
632 	MLX5_INTERFACE_STATE_UP = BIT(0),
633 };
634 
635 enum mlx5_pci_status {
636 	MLX5_PCI_STATUS_DISABLED,
637 	MLX5_PCI_STATUS_ENABLED,
638 };
639 
640 enum mlx5_pagefault_type_flags {
641 	MLX5_PFAULT_REQUESTOR = 1 << 0,
642 	MLX5_PFAULT_WRITE     = 1 << 1,
643 	MLX5_PFAULT_RDMA      = 1 << 2,
644 };
645 
646 struct mlx5_td {
647 	/* protects tirs list changes while tirs refresh */
648 	struct mutex     list_lock;
649 	struct list_head tirs_list;
650 	u32              tdn;
651 };
652 
653 struct mlx5e_resources {
654 	struct mlx5e_hw_objs {
655 		u32                        pdn;
656 		struct mlx5_td             td;
657 		struct mlx5_core_mkey      mkey;
658 		struct mlx5_sq_bfreg       bfreg;
659 	} hw_objs;
660 	struct devlink_port dl_port;
661 	struct net_device *uplink_netdev;
662 };
663 
664 enum mlx5_sw_icm_type {
665 	MLX5_SW_ICM_TYPE_STEERING,
666 	MLX5_SW_ICM_TYPE_HEADER_MODIFY,
667 };
668 
669 #define MLX5_MAX_RESERVED_GIDS 8
670 
671 struct mlx5_rsvd_gids {
672 	unsigned int start;
673 	unsigned int count;
674 	struct ida ida;
675 };
676 
677 #define MAX_PIN_NUM	8
678 struct mlx5_pps {
679 	u8                         pin_caps[MAX_PIN_NUM];
680 	struct work_struct         out_work;
681 	u64                        start[MAX_PIN_NUM];
682 	u8                         enabled;
683 };
684 
685 struct mlx5_timer {
686 	struct cyclecounter        cycles;
687 	struct timecounter         tc;
688 	u32                        nominal_c_mult;
689 	unsigned long              overflow_period;
690 	struct delayed_work        overflow_work;
691 };
692 
693 struct mlx5_clock {
694 	struct mlx5_nb             pps_nb;
695 	seqlock_t                  lock;
696 	struct hwtstamp_config     hwtstamp_config;
697 	struct ptp_clock          *ptp;
698 	struct ptp_clock_info      ptp_info;
699 	struct mlx5_pps            pps_info;
700 	struct mlx5_timer          timer;
701 };
702 
703 struct mlx5_dm;
704 struct mlx5_fw_tracer;
705 struct mlx5_vxlan;
706 struct mlx5_geneve;
707 struct mlx5_hv_vhca;
708 
709 #define MLX5_LOG_SW_ICM_BLOCK_SIZE(dev) (MLX5_CAP_DEV_MEM(dev, log_sw_icm_alloc_granularity))
710 #define MLX5_SW_ICM_BLOCK_SIZE(dev) (1 << MLX5_LOG_SW_ICM_BLOCK_SIZE(dev))
711 
712 enum {
713 	MLX5_PROF_MASK_QP_SIZE		= (u64)1 << 0,
714 	MLX5_PROF_MASK_MR_CACHE		= (u64)1 << 1,
715 };
716 
717 enum {
718 	MR_CACHE_LAST_STD_ENTRY = 20,
719 	MLX5_IMR_MTT_CACHE_ENTRY,
720 	MLX5_IMR_KSM_CACHE_ENTRY,
721 	MAX_MR_CACHE_ENTRIES
722 };
723 
724 struct mlx5_profile {
725 	u64	mask;
726 	u8	log_max_qp;
727 	struct {
728 		int	size;
729 		int	limit;
730 	} mr_cache[MAX_MR_CACHE_ENTRIES];
731 };
732 
733 struct mlx5_core_dev {
734 	struct device *device;
735 	enum mlx5_coredev_type coredev_type;
736 	struct pci_dev	       *pdev;
737 	/* sync pci state */
738 	struct mutex		pci_status_mutex;
739 	enum mlx5_pci_status	pci_status;
740 	u8			rev_id;
741 	char			board_id[MLX5_BOARD_ID_LEN];
742 	struct mlx5_cmd		cmd;
743 	struct {
744 		u32 hca_cur[MLX5_CAP_NUM][MLX5_UN_SZ_DW(hca_cap_union)];
745 		u32 hca_max[MLX5_CAP_NUM][MLX5_UN_SZ_DW(hca_cap_union)];
746 		u32 pcam[MLX5_ST_SZ_DW(pcam_reg)];
747 		u32 mcam[MLX5_MCAM_REGS_NUM][MLX5_ST_SZ_DW(mcam_reg)];
748 		u32 fpga[MLX5_ST_SZ_DW(fpga_cap)];
749 		u32 qcam[MLX5_ST_SZ_DW(qcam_reg)];
750 		u8  embedded_cpu;
751 	} caps;
752 	u64			sys_image_guid;
753 	phys_addr_t		iseg_base;
754 	struct mlx5_init_seg __iomem *iseg;
755 	phys_addr_t             bar_addr;
756 	enum mlx5_device_state	state;
757 	/* sync interface state */
758 	struct mutex		intf_state_mutex;
759 	unsigned long		intf_state;
760 	struct mlx5_priv	priv;
761 	struct mlx5_profile	profile;
762 	u32			issi;
763 	struct mlx5e_resources  mlx5e_res;
764 	struct mlx5_dm          *dm;
765 	struct mlx5_vxlan       *vxlan;
766 	struct mlx5_geneve      *geneve;
767 	struct {
768 		struct mlx5_rsvd_gids	reserved_gids;
769 		u32			roce_en;
770 	} roce;
771 #ifdef CONFIG_MLX5_FPGA
772 	struct mlx5_fpga_device *fpga;
773 #endif
774 #ifdef CONFIG_MLX5_ACCEL
775 	const struct mlx5_accel_ipsec_ops *ipsec_ops;
776 #endif
777 	struct mlx5_clock        clock;
778 	struct mlx5_ib_clock_info  *clock_info;
779 	struct mlx5_fw_tracer   *tracer;
780 	struct mlx5_rsc_dump    *rsc_dump;
781 	u32                      vsc_addr;
782 	struct mlx5_hv_vhca	*hv_vhca;
783 };
784 
785 struct mlx5_db {
786 	__be32			*db;
787 	union {
788 		struct mlx5_db_pgdir		*pgdir;
789 		struct mlx5_ib_user_db_page	*user_page;
790 	}			u;
791 	dma_addr_t		dma;
792 	int			index;
793 };
794 
795 enum {
796 	MLX5_COMP_EQ_SIZE = 1024,
797 };
798 
799 enum {
800 	MLX5_PTYS_IB = 1 << 0,
801 	MLX5_PTYS_EN = 1 << 2,
802 };
803 
804 typedef void (*mlx5_cmd_cbk_t)(int status, void *context);
805 
806 enum {
807 	MLX5_CMD_ENT_STATE_PENDING_COMP,
808 };
809 
810 struct mlx5_cmd_work_ent {
811 	unsigned long		state;
812 	struct mlx5_cmd_msg    *in;
813 	struct mlx5_cmd_msg    *out;
814 	void		       *uout;
815 	int			uout_size;
816 	mlx5_cmd_cbk_t		callback;
817 	struct delayed_work	cb_timeout_work;
818 	void		       *context;
819 	int			idx;
820 	struct completion	handling;
821 	struct completion	done;
822 	struct mlx5_cmd        *cmd;
823 	struct work_struct	work;
824 	struct mlx5_cmd_layout *lay;
825 	int			ret;
826 	int			page_queue;
827 	u8			status;
828 	u8			token;
829 	u64			ts1;
830 	u64			ts2;
831 	u16			op;
832 	bool			polling;
833 	/* Track the max comp handlers */
834 	refcount_t              refcnt;
835 };
836 
837 struct mlx5_pas {
838 	u64	pa;
839 	u8	log_sz;
840 };
841 
842 enum phy_port_state {
843 	MLX5_AAA_111
844 };
845 
846 struct mlx5_hca_vport_context {
847 	u32			field_select;
848 	bool			sm_virt_aware;
849 	bool			has_smi;
850 	bool			has_raw;
851 	enum port_state_policy	policy;
852 	enum phy_port_state	phys_state;
853 	enum ib_port_state	vport_state;
854 	u8			port_physical_state;
855 	u64			sys_image_guid;
856 	u64			port_guid;
857 	u64			node_guid;
858 	u32			cap_mask1;
859 	u32			cap_mask1_perm;
860 	u16			cap_mask2;
861 	u16			cap_mask2_perm;
862 	u16			lid;
863 	u8			init_type_reply; /* bitmask: see ib spec 14.2.5.6 InitTypeReply */
864 	u8			lmc;
865 	u8			subnet_timeout;
866 	u16			sm_lid;
867 	u8			sm_sl;
868 	u16			qkey_violation_counter;
869 	u16			pkey_violation_counter;
870 	bool			grh_required;
871 };
872 
873 static inline void *mlx5_buf_offset(struct mlx5_frag_buf *buf, int offset)
874 {
875 		return buf->frags->buf + offset;
876 }
877 
878 #define STRUCT_FIELD(header, field) \
879 	.struct_offset_bytes = offsetof(struct ib_unpacked_ ## header, field),      \
880 	.struct_size_bytes   = sizeof((struct ib_unpacked_ ## header *)0)->field
881 
882 static inline struct mlx5_core_dev *pci2mlx5_core_dev(struct pci_dev *pdev)
883 {
884 	return pci_get_drvdata(pdev);
885 }
886 
887 extern struct dentry *mlx5_debugfs_root;
888 
889 static inline u16 fw_rev_maj(struct mlx5_core_dev *dev)
890 {
891 	return ioread32be(&dev->iseg->fw_rev) & 0xffff;
892 }
893 
894 static inline u16 fw_rev_min(struct mlx5_core_dev *dev)
895 {
896 	return ioread32be(&dev->iseg->fw_rev) >> 16;
897 }
898 
899 static inline u16 fw_rev_sub(struct mlx5_core_dev *dev)
900 {
901 	return ioread32be(&dev->iseg->cmdif_rev_fw_sub) & 0xffff;
902 }
903 
904 static inline u32 mlx5_base_mkey(const u32 key)
905 {
906 	return key & 0xffffff00u;
907 }
908 
909 static inline u32 wq_get_byte_sz(u8 log_sz, u8 log_stride)
910 {
911 	return ((u32)1 << log_sz) << log_stride;
912 }
913 
914 static inline void mlx5_init_fbc_offset(struct mlx5_buf_list *frags,
915 					u8 log_stride, u8 log_sz,
916 					u16 strides_offset,
917 					struct mlx5_frag_buf_ctrl *fbc)
918 {
919 	fbc->frags      = frags;
920 	fbc->log_stride = log_stride;
921 	fbc->log_sz     = log_sz;
922 	fbc->sz_m1	= (1 << fbc->log_sz) - 1;
923 	fbc->log_frag_strides = PAGE_SHIFT - fbc->log_stride;
924 	fbc->frag_sz_m1	= (1 << fbc->log_frag_strides) - 1;
925 	fbc->strides_offset = strides_offset;
926 }
927 
928 static inline void mlx5_init_fbc(struct mlx5_buf_list *frags,
929 				 u8 log_stride, u8 log_sz,
930 				 struct mlx5_frag_buf_ctrl *fbc)
931 {
932 	mlx5_init_fbc_offset(frags, log_stride, log_sz, 0, fbc);
933 }
934 
935 static inline void *mlx5_frag_buf_get_wqe(struct mlx5_frag_buf_ctrl *fbc,
936 					  u32 ix)
937 {
938 	unsigned int frag;
939 
940 	ix  += fbc->strides_offset;
941 	frag = ix >> fbc->log_frag_strides;
942 
943 	return fbc->frags[frag].buf + ((fbc->frag_sz_m1 & ix) << fbc->log_stride);
944 }
945 
946 static inline u32
947 mlx5_frag_buf_get_idx_last_contig_stride(struct mlx5_frag_buf_ctrl *fbc, u32 ix)
948 {
949 	u32 last_frag_stride_idx = (ix + fbc->strides_offset) | fbc->frag_sz_m1;
950 
951 	return min_t(u32, last_frag_stride_idx - fbc->strides_offset, fbc->sz_m1);
952 }
953 
954 enum {
955 	CMD_ALLOWED_OPCODE_ALL,
956 };
957 
958 void mlx5_cmd_use_events(struct mlx5_core_dev *dev);
959 void mlx5_cmd_use_polling(struct mlx5_core_dev *dev);
960 void mlx5_cmd_allowed_opcode(struct mlx5_core_dev *dev, u16 opcode);
961 
962 struct mlx5_async_ctx {
963 	struct mlx5_core_dev *dev;
964 	atomic_t num_inflight;
965 	struct wait_queue_head wait;
966 };
967 
968 struct mlx5_async_work;
969 
970 typedef void (*mlx5_async_cbk_t)(int status, struct mlx5_async_work *context);
971 
972 struct mlx5_async_work {
973 	struct mlx5_async_ctx *ctx;
974 	mlx5_async_cbk_t user_callback;
975 };
976 
977 void mlx5_cmd_init_async_ctx(struct mlx5_core_dev *dev,
978 			     struct mlx5_async_ctx *ctx);
979 void mlx5_cmd_cleanup_async_ctx(struct mlx5_async_ctx *ctx);
980 int mlx5_cmd_exec_cb(struct mlx5_async_ctx *ctx, void *in, int in_size,
981 		     void *out, int out_size, mlx5_async_cbk_t callback,
982 		     struct mlx5_async_work *work);
983 
984 int mlx5_cmd_exec(struct mlx5_core_dev *dev, void *in, int in_size, void *out,
985 		  int out_size);
986 
987 #define mlx5_cmd_exec_inout(dev, ifc_cmd, in, out)                             \
988 	({                                                                     \
989 		mlx5_cmd_exec(dev, in, MLX5_ST_SZ_BYTES(ifc_cmd##_in), out,    \
990 			      MLX5_ST_SZ_BYTES(ifc_cmd##_out));                \
991 	})
992 
993 #define mlx5_cmd_exec_in(dev, ifc_cmd, in)                                     \
994 	({                                                                     \
995 		u32 _out[MLX5_ST_SZ_DW(ifc_cmd##_out)] = {};                   \
996 		mlx5_cmd_exec_inout(dev, ifc_cmd, in, _out);                   \
997 	})
998 
999 int mlx5_cmd_exec_polling(struct mlx5_core_dev *dev, void *in, int in_size,
1000 			  void *out, int out_size);
1001 void mlx5_cmd_mbox_status(void *out, u8 *status, u32 *syndrome);
1002 bool mlx5_cmd_is_down(struct mlx5_core_dev *dev);
1003 
1004 int mlx5_core_get_caps(struct mlx5_core_dev *dev, enum mlx5_cap_type cap_type);
1005 int mlx5_cmd_alloc_uar(struct mlx5_core_dev *dev, u32 *uarn);
1006 int mlx5_cmd_free_uar(struct mlx5_core_dev *dev, u32 uarn);
1007 void mlx5_health_flush(struct mlx5_core_dev *dev);
1008 void mlx5_health_cleanup(struct mlx5_core_dev *dev);
1009 int mlx5_health_init(struct mlx5_core_dev *dev);
1010 void mlx5_start_health_poll(struct mlx5_core_dev *dev);
1011 void mlx5_stop_health_poll(struct mlx5_core_dev *dev, bool disable_health);
1012 void mlx5_drain_health_wq(struct mlx5_core_dev *dev);
1013 void mlx5_trigger_health_work(struct mlx5_core_dev *dev);
1014 int mlx5_buf_alloc(struct mlx5_core_dev *dev,
1015 		   int size, struct mlx5_frag_buf *buf);
1016 void mlx5_buf_free(struct mlx5_core_dev *dev, struct mlx5_frag_buf *buf);
1017 int mlx5_frag_buf_alloc_node(struct mlx5_core_dev *dev, int size,
1018 			     struct mlx5_frag_buf *buf, int node);
1019 void mlx5_frag_buf_free(struct mlx5_core_dev *dev, struct mlx5_frag_buf *buf);
1020 struct mlx5_cmd_mailbox *mlx5_alloc_cmd_mailbox_chain(struct mlx5_core_dev *dev,
1021 						      gfp_t flags, int npages);
1022 void mlx5_free_cmd_mailbox_chain(struct mlx5_core_dev *dev,
1023 				 struct mlx5_cmd_mailbox *head);
1024 int mlx5_core_create_mkey(struct mlx5_core_dev *dev,
1025 			  struct mlx5_core_mkey *mkey,
1026 			  u32 *in, int inlen);
1027 int mlx5_core_destroy_mkey(struct mlx5_core_dev *dev,
1028 			   struct mlx5_core_mkey *mkey);
1029 int mlx5_core_query_mkey(struct mlx5_core_dev *dev, struct mlx5_core_mkey *mkey,
1030 			 u32 *out, int outlen);
1031 int mlx5_core_alloc_pd(struct mlx5_core_dev *dev, u32 *pdn);
1032 int mlx5_core_dealloc_pd(struct mlx5_core_dev *dev, u32 pdn);
1033 int mlx5_pagealloc_init(struct mlx5_core_dev *dev);
1034 void mlx5_pagealloc_cleanup(struct mlx5_core_dev *dev);
1035 void mlx5_pagealloc_start(struct mlx5_core_dev *dev);
1036 void mlx5_pagealloc_stop(struct mlx5_core_dev *dev);
1037 void mlx5_core_req_pages_handler(struct mlx5_core_dev *dev, u16 func_id,
1038 				 s32 npages, bool ec_function);
1039 int mlx5_satisfy_startup_pages(struct mlx5_core_dev *dev, int boot);
1040 int mlx5_reclaim_startup_pages(struct mlx5_core_dev *dev);
1041 void mlx5_register_debugfs(void);
1042 void mlx5_unregister_debugfs(void);
1043 
1044 void mlx5_fill_page_array(struct mlx5_frag_buf *buf, __be64 *pas);
1045 void mlx5_fill_page_frag_array_perm(struct mlx5_frag_buf *buf, __be64 *pas, u8 perm);
1046 void mlx5_fill_page_frag_array(struct mlx5_frag_buf *frag_buf, __be64 *pas);
1047 int mlx5_vector2eqn(struct mlx5_core_dev *dev, int vector, int *eqn,
1048 		    unsigned int *irqn);
1049 int mlx5_core_attach_mcg(struct mlx5_core_dev *dev, union ib_gid *mgid, u32 qpn);
1050 int mlx5_core_detach_mcg(struct mlx5_core_dev *dev, union ib_gid *mgid, u32 qpn);
1051 
1052 void mlx5_qp_debugfs_init(struct mlx5_core_dev *dev);
1053 void mlx5_qp_debugfs_cleanup(struct mlx5_core_dev *dev);
1054 int mlx5_core_access_reg(struct mlx5_core_dev *dev, void *data_in,
1055 			 int size_in, void *data_out, int size_out,
1056 			 u16 reg_num, int arg, int write);
1057 
1058 int mlx5_db_alloc(struct mlx5_core_dev *dev, struct mlx5_db *db);
1059 int mlx5_db_alloc_node(struct mlx5_core_dev *dev, struct mlx5_db *db,
1060 		       int node);
1061 void mlx5_db_free(struct mlx5_core_dev *dev, struct mlx5_db *db);
1062 
1063 const char *mlx5_command_str(int command);
1064 void mlx5_cmdif_debugfs_init(struct mlx5_core_dev *dev);
1065 void mlx5_cmdif_debugfs_cleanup(struct mlx5_core_dev *dev);
1066 int mlx5_core_create_psv(struct mlx5_core_dev *dev, u32 pdn,
1067 			 int npsvs, u32 *sig_index);
1068 int mlx5_core_destroy_psv(struct mlx5_core_dev *dev, int psv_num);
1069 void mlx5_core_put_rsc(struct mlx5_core_rsc_common *common);
1070 int mlx5_query_odp_caps(struct mlx5_core_dev *dev,
1071 			struct mlx5_odp_caps *odp_caps);
1072 int mlx5_core_query_ib_ppcnt(struct mlx5_core_dev *dev,
1073 			     u8 port_num, void *out, size_t sz);
1074 
1075 int mlx5_init_rl_table(struct mlx5_core_dev *dev);
1076 void mlx5_cleanup_rl_table(struct mlx5_core_dev *dev);
1077 int mlx5_rl_add_rate(struct mlx5_core_dev *dev, u16 *index,
1078 		     struct mlx5_rate_limit *rl);
1079 void mlx5_rl_remove_rate(struct mlx5_core_dev *dev, struct mlx5_rate_limit *rl);
1080 bool mlx5_rl_is_in_range(struct mlx5_core_dev *dev, u32 rate);
1081 int mlx5_rl_add_rate_raw(struct mlx5_core_dev *dev, void *rl_in, u16 uid,
1082 			 bool dedicated_entry, u16 *index);
1083 void mlx5_rl_remove_rate_raw(struct mlx5_core_dev *dev, u16 index);
1084 bool mlx5_rl_are_equal(struct mlx5_rate_limit *rl_0,
1085 		       struct mlx5_rate_limit *rl_1);
1086 int mlx5_alloc_bfreg(struct mlx5_core_dev *mdev, struct mlx5_sq_bfreg *bfreg,
1087 		     bool map_wc, bool fast_path);
1088 void mlx5_free_bfreg(struct mlx5_core_dev *mdev, struct mlx5_sq_bfreg *bfreg);
1089 
1090 unsigned int mlx5_comp_vectors_count(struct mlx5_core_dev *dev);
1091 struct cpumask *
1092 mlx5_comp_irq_get_affinity_mask(struct mlx5_core_dev *dev, int vector);
1093 unsigned int mlx5_core_reserved_gids_count(struct mlx5_core_dev *dev);
1094 int mlx5_core_roce_gid_set(struct mlx5_core_dev *dev, unsigned int index,
1095 			   u8 roce_version, u8 roce_l3_type, const u8 *gid,
1096 			   const u8 *mac, bool vlan, u16 vlan_id, u8 port_num);
1097 
1098 static inline u32 mlx5_mkey_to_idx(u32 mkey)
1099 {
1100 	return mkey >> 8;
1101 }
1102 
1103 static inline u32 mlx5_idx_to_mkey(u32 mkey_idx)
1104 {
1105 	return mkey_idx << 8;
1106 }
1107 
1108 static inline u8 mlx5_mkey_variant(u32 mkey)
1109 {
1110 	return mkey & 0xff;
1111 }
1112 
1113 /* Async-atomic event notifier used by mlx5 core to forward FW
1114  * evetns recived from event queue to mlx5 consumers.
1115  * Optimise event queue dipatching.
1116  */
1117 int mlx5_notifier_register(struct mlx5_core_dev *dev, struct notifier_block *nb);
1118 int mlx5_notifier_unregister(struct mlx5_core_dev *dev, struct notifier_block *nb);
1119 
1120 /* Async-atomic event notifier used for forwarding
1121  * evetns from the event queue into the to mlx5 events dispatcher,
1122  * eswitch, clock and others.
1123  */
1124 int mlx5_eq_notifier_register(struct mlx5_core_dev *dev, struct mlx5_nb *nb);
1125 int mlx5_eq_notifier_unregister(struct mlx5_core_dev *dev, struct mlx5_nb *nb);
1126 
1127 /* Blocking event notifier used to forward SW events, used for slow path */
1128 int mlx5_blocking_notifier_register(struct mlx5_core_dev *dev, struct notifier_block *nb);
1129 int mlx5_blocking_notifier_unregister(struct mlx5_core_dev *dev, struct notifier_block *nb);
1130 int mlx5_blocking_notifier_call_chain(struct mlx5_core_dev *dev, unsigned int event,
1131 				      void *data);
1132 
1133 int mlx5_core_query_vendor_id(struct mlx5_core_dev *mdev, u32 *vendor_id);
1134 
1135 int mlx5_cmd_create_vport_lag(struct mlx5_core_dev *dev);
1136 int mlx5_cmd_destroy_vport_lag(struct mlx5_core_dev *dev);
1137 bool mlx5_lag_is_roce(struct mlx5_core_dev *dev);
1138 bool mlx5_lag_is_sriov(struct mlx5_core_dev *dev);
1139 bool mlx5_lag_is_multipath(struct mlx5_core_dev *dev);
1140 bool mlx5_lag_is_active(struct mlx5_core_dev *dev);
1141 struct net_device *mlx5_lag_get_roce_netdev(struct mlx5_core_dev *dev);
1142 u8 mlx5_lag_get_slave_port(struct mlx5_core_dev *dev,
1143 			   struct net_device *slave);
1144 int mlx5_lag_query_cong_counters(struct mlx5_core_dev *dev,
1145 				 u64 *values,
1146 				 int num_counters,
1147 				 size_t *offsets);
1148 struct mlx5_uars_page *mlx5_get_uars_page(struct mlx5_core_dev *mdev);
1149 void mlx5_put_uars_page(struct mlx5_core_dev *mdev, struct mlx5_uars_page *up);
1150 int mlx5_dm_sw_icm_alloc(struct mlx5_core_dev *dev, enum mlx5_sw_icm_type type,
1151 			 u64 length, u32 log_alignment, u16 uid,
1152 			 phys_addr_t *addr, u32 *obj_id);
1153 int mlx5_dm_sw_icm_dealloc(struct mlx5_core_dev *dev, enum mlx5_sw_icm_type type,
1154 			   u64 length, u16 uid, phys_addr_t addr, u32 obj_id);
1155 
1156 #ifdef CONFIG_MLX5_CORE_IPOIB
1157 struct net_device *mlx5_rdma_netdev_alloc(struct mlx5_core_dev *mdev,
1158 					  struct ib_device *ibdev,
1159 					  const char *name,
1160 					  void (*setup)(struct net_device *));
1161 #endif /* CONFIG_MLX5_CORE_IPOIB */
1162 int mlx5_rdma_rn_get_params(struct mlx5_core_dev *mdev,
1163 			    struct ib_device *device,
1164 			    struct rdma_netdev_alloc_params *params);
1165 
1166 enum {
1167 	MLX5_PCI_DEV_IS_VF		= 1 << 0,
1168 };
1169 
1170 static inline bool mlx5_core_is_pf(const struct mlx5_core_dev *dev)
1171 {
1172 	return dev->coredev_type == MLX5_COREDEV_PF;
1173 }
1174 
1175 static inline bool mlx5_core_is_vf(const struct mlx5_core_dev *dev)
1176 {
1177 	return dev->coredev_type == MLX5_COREDEV_VF;
1178 }
1179 
1180 static inline bool mlx5_core_is_ecpf(const struct mlx5_core_dev *dev)
1181 {
1182 	return dev->caps.embedded_cpu;
1183 }
1184 
1185 static inline bool
1186 mlx5_core_is_ecpf_esw_manager(const struct mlx5_core_dev *dev)
1187 {
1188 	return dev->caps.embedded_cpu && MLX5_CAP_GEN(dev, eswitch_manager);
1189 }
1190 
1191 static inline bool mlx5_ecpf_vport_exists(const struct mlx5_core_dev *dev)
1192 {
1193 	return mlx5_core_is_pf(dev) && MLX5_CAP_ESW(dev, ecpf_vport_exists);
1194 }
1195 
1196 static inline u16 mlx5_core_max_vfs(const struct mlx5_core_dev *dev)
1197 {
1198 	return dev->priv.sriov.max_vfs;
1199 }
1200 
1201 static inline int mlx5_get_gid_table_len(u16 param)
1202 {
1203 	if (param > 4) {
1204 		pr_warn("gid table length is zero\n");
1205 		return 0;
1206 	}
1207 
1208 	return 8 * (1 << param);
1209 }
1210 
1211 static inline bool mlx5_rl_is_supported(struct mlx5_core_dev *dev)
1212 {
1213 	return !!(dev->priv.rl_table.max_size);
1214 }
1215 
1216 static inline int mlx5_core_is_mp_slave(struct mlx5_core_dev *dev)
1217 {
1218 	return MLX5_CAP_GEN(dev, affiliate_nic_vport_criteria) &&
1219 	       MLX5_CAP_GEN(dev, num_vhca_ports) <= 1;
1220 }
1221 
1222 static inline int mlx5_core_is_mp_master(struct mlx5_core_dev *dev)
1223 {
1224 	return MLX5_CAP_GEN(dev, num_vhca_ports) > 1;
1225 }
1226 
1227 static inline int mlx5_core_mp_enabled(struct mlx5_core_dev *dev)
1228 {
1229 	return mlx5_core_is_mp_slave(dev) ||
1230 	       mlx5_core_is_mp_master(dev);
1231 }
1232 
1233 static inline int mlx5_core_native_port_num(struct mlx5_core_dev *dev)
1234 {
1235 	if (!mlx5_core_mp_enabled(dev))
1236 		return 1;
1237 
1238 	return MLX5_CAP_GEN(dev, native_port_num);
1239 }
1240 
1241 enum {
1242 	MLX5_TRIGGERED_CMD_COMP = (u64)1 << 32,
1243 };
1244 
1245 static inline bool mlx5_is_roce_init_enabled(struct mlx5_core_dev *dev)
1246 {
1247 	struct devlink *devlink = priv_to_devlink(dev);
1248 	union devlink_param_value val;
1249 
1250 	devlink_param_driverinit_value_get(devlink,
1251 					   DEVLINK_PARAM_GENERIC_ID_ENABLE_ROCE,
1252 					   &val);
1253 	return val.vbool;
1254 }
1255 
1256 #endif /* MLX5_DRIVER_H */
1257