xref: /linux-6.15/include/linux/mlx5/driver.h (revision 2aec85b2) 
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 #define MLX5_IRQ_EQ_CTRL (U8_MAX)
63 
64 enum {
65 	MLX5_BOARD_ID_LEN = 64,
66 };
67 
68 enum {
69 	MLX5_CMD_WQ_MAX_NAME	= 32,
70 };
71 
72 enum {
73 	CMD_OWNER_SW		= 0x0,
74 	CMD_OWNER_HW		= 0x1,
75 	CMD_STATUS_SUCCESS	= 0,
76 };
77 
78 enum mlx5_sqp_t {
79 	MLX5_SQP_SMI		= 0,
80 	MLX5_SQP_GSI		= 1,
81 	MLX5_SQP_IEEE_1588	= 2,
82 	MLX5_SQP_SNIFFER	= 3,
83 	MLX5_SQP_SYNC_UMR	= 4,
84 };
85 
86 enum {
87 	MLX5_MAX_PORTS	= 4,
88 };
89 
90 enum {
91 	MLX5_ATOMIC_MODE_OFFSET = 16,
92 	MLX5_ATOMIC_MODE_IB_COMP = 1,
93 	MLX5_ATOMIC_MODE_CX = 2,
94 	MLX5_ATOMIC_MODE_8B = 3,
95 	MLX5_ATOMIC_MODE_16B = 4,
96 	MLX5_ATOMIC_MODE_32B = 5,
97 	MLX5_ATOMIC_MODE_64B = 6,
98 	MLX5_ATOMIC_MODE_128B = 7,
99 	MLX5_ATOMIC_MODE_256B = 8,
100 };
101 
102 enum {
103 	MLX5_REG_QPTS            = 0x4002,
104 	MLX5_REG_QETCR		 = 0x4005,
105 	MLX5_REG_QTCT		 = 0x400a,
106 	MLX5_REG_QPDPM           = 0x4013,
107 	MLX5_REG_QCAM            = 0x4019,
108 	MLX5_REG_DCBX_PARAM      = 0x4020,
109 	MLX5_REG_DCBX_APP        = 0x4021,
110 	MLX5_REG_FPGA_CAP	 = 0x4022,
111 	MLX5_REG_FPGA_CTRL	 = 0x4023,
112 	MLX5_REG_FPGA_ACCESS_REG = 0x4024,
113 	MLX5_REG_CORE_DUMP	 = 0x402e,
114 	MLX5_REG_PCAP		 = 0x5001,
115 	MLX5_REG_PMTU		 = 0x5003,
116 	MLX5_REG_PTYS		 = 0x5004,
117 	MLX5_REG_PAOS		 = 0x5006,
118 	MLX5_REG_PFCC            = 0x5007,
119 	MLX5_REG_PPCNT		 = 0x5008,
120 	MLX5_REG_PPTB            = 0x500b,
121 	MLX5_REG_PBMC            = 0x500c,
122 	MLX5_REG_PMAOS		 = 0x5012,
123 	MLX5_REG_PUDE		 = 0x5009,
124 	MLX5_REG_PMPE		 = 0x5010,
125 	MLX5_REG_PELC		 = 0x500e,
126 	MLX5_REG_PVLC		 = 0x500f,
127 	MLX5_REG_PCMR		 = 0x5041,
128 	MLX5_REG_PDDR		 = 0x5031,
129 	MLX5_REG_PMLP		 = 0x5002,
130 	MLX5_REG_PPLM		 = 0x5023,
131 	MLX5_REG_PCAM		 = 0x507f,
132 	MLX5_REG_NODE_DESC	 = 0x6001,
133 	MLX5_REG_HOST_ENDIANNESS = 0x7004,
134 	MLX5_REG_MCIA		 = 0x9014,
135 	MLX5_REG_MFRL		 = 0x9028,
136 	MLX5_REG_MLCR		 = 0x902b,
137 	MLX5_REG_MRTC		 = 0x902d,
138 	MLX5_REG_MTRC_CAP	 = 0x9040,
139 	MLX5_REG_MTRC_CONF	 = 0x9041,
140 	MLX5_REG_MTRC_STDB	 = 0x9042,
141 	MLX5_REG_MTRC_CTRL	 = 0x9043,
142 	MLX5_REG_MPEIN		 = 0x9050,
143 	MLX5_REG_MPCNT		 = 0x9051,
144 	MLX5_REG_MTPPS		 = 0x9053,
145 	MLX5_REG_MTPPSE		 = 0x9054,
146 	MLX5_REG_MTUTC		 = 0x9055,
147 	MLX5_REG_MPEGC		 = 0x9056,
148 	MLX5_REG_MCQS		 = 0x9060,
149 	MLX5_REG_MCQI		 = 0x9061,
150 	MLX5_REG_MCC		 = 0x9062,
151 	MLX5_REG_MCDA		 = 0x9063,
152 	MLX5_REG_MCAM		 = 0x907f,
153 	MLX5_REG_MIRC		 = 0x9162,
154 	MLX5_REG_SBCAM		 = 0xB01F,
155 	MLX5_REG_RESOURCE_DUMP   = 0xC000,
156 	MLX5_REG_DTOR            = 0xC00E,
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 	/* number of times command failed */
268 	u64		failed;
269 	/* number of times command failed on bad status returned by FW */
270 	u64		failed_mbox_status;
271 	/* last command failed returned errno */
272 	u32		last_failed_errno;
273 	/* last bad status returned by FW */
274 	u8		last_failed_mbox_status;
275 	/* last command failed syndrome returned by FW */
276 	u32		last_failed_syndrome;
277 	struct dentry  *root;
278 	/* protect command average calculations */
279 	spinlock_t	lock;
280 };
281 
282 struct mlx5_cmd {
283 	struct mlx5_nb    nb;
284 
285 	enum mlx5_cmdif_state	state;
286 	void	       *cmd_alloc_buf;
287 	dma_addr_t	alloc_dma;
288 	int		alloc_size;
289 	void	       *cmd_buf;
290 	dma_addr_t	dma;
291 	u16		cmdif_rev;
292 	u8		log_sz;
293 	u8		log_stride;
294 	int		max_reg_cmds;
295 	int		events;
296 	u32 __iomem    *vector;
297 
298 	/* protect command queue allocations
299 	 */
300 	spinlock_t	alloc_lock;
301 
302 	/* protect token allocations
303 	 */
304 	spinlock_t	token_lock;
305 	u8		token;
306 	unsigned long	bitmask;
307 	char		wq_name[MLX5_CMD_WQ_MAX_NAME];
308 	struct workqueue_struct *wq;
309 	struct semaphore sem;
310 	struct semaphore pages_sem;
311 	int	mode;
312 	u16     allowed_opcode;
313 	struct mlx5_cmd_work_ent *ent_arr[MLX5_MAX_COMMANDS];
314 	struct dma_pool *pool;
315 	struct mlx5_cmd_debug dbg;
316 	struct cmd_msg_cache cache[MLX5_NUM_COMMAND_CACHES];
317 	int checksum_disabled;
318 	struct mlx5_cmd_stats *stats;
319 };
320 
321 struct mlx5_cmd_mailbox {
322 	void	       *buf;
323 	dma_addr_t	dma;
324 	struct mlx5_cmd_mailbox *next;
325 };
326 
327 struct mlx5_buf_list {
328 	void		       *buf;
329 	dma_addr_t		map;
330 };
331 
332 struct mlx5_frag_buf {
333 	struct mlx5_buf_list	*frags;
334 	int			npages;
335 	int			size;
336 	u8			page_shift;
337 };
338 
339 struct mlx5_frag_buf_ctrl {
340 	struct mlx5_buf_list   *frags;
341 	u32			sz_m1;
342 	u16			frag_sz_m1;
343 	u16			strides_offset;
344 	u8			log_sz;
345 	u8			log_stride;
346 	u8			log_frag_strides;
347 };
348 
349 struct mlx5_core_psv {
350 	u32	psv_idx;
351 	struct psv_layout {
352 		u32	pd;
353 		u16	syndrome;
354 		u16	reserved;
355 		u16	bg;
356 		u16	app_tag;
357 		u32	ref_tag;
358 	} psv;
359 };
360 
361 struct mlx5_core_sig_ctx {
362 	struct mlx5_core_psv	psv_memory;
363 	struct mlx5_core_psv	psv_wire;
364 	struct ib_sig_err       err_item;
365 	bool			sig_status_checked;
366 	bool			sig_err_exists;
367 	u32			sigerr_count;
368 };
369 
370 #define MLX5_24BIT_MASK		((1 << 24) - 1)
371 
372 enum mlx5_res_type {
373 	MLX5_RES_QP	= MLX5_EVENT_QUEUE_TYPE_QP,
374 	MLX5_RES_RQ	= MLX5_EVENT_QUEUE_TYPE_RQ,
375 	MLX5_RES_SQ	= MLX5_EVENT_QUEUE_TYPE_SQ,
376 	MLX5_RES_SRQ	= 3,
377 	MLX5_RES_XSRQ	= 4,
378 	MLX5_RES_XRQ	= 5,
379 	MLX5_RES_DCT	= MLX5_EVENT_QUEUE_TYPE_DCT,
380 };
381 
382 struct mlx5_core_rsc_common {
383 	enum mlx5_res_type	res;
384 	refcount_t		refcount;
385 	struct completion	free;
386 };
387 
388 struct mlx5_uars_page {
389 	void __iomem	       *map;
390 	bool			wc;
391 	u32			index;
392 	struct list_head	list;
393 	unsigned int		bfregs;
394 	unsigned long	       *reg_bitmap; /* for non fast path bf regs */
395 	unsigned long	       *fp_bitmap;
396 	unsigned int		reg_avail;
397 	unsigned int		fp_avail;
398 	struct kref		ref_count;
399 	struct mlx5_core_dev   *mdev;
400 };
401 
402 struct mlx5_bfreg_head {
403 	/* protect blue flame registers allocations */
404 	struct mutex		lock;
405 	struct list_head	list;
406 };
407 
408 struct mlx5_bfreg_data {
409 	struct mlx5_bfreg_head	reg_head;
410 	struct mlx5_bfreg_head	wc_head;
411 };
412 
413 struct mlx5_sq_bfreg {
414 	void __iomem	       *map;
415 	struct mlx5_uars_page  *up;
416 	bool			wc;
417 	u32			index;
418 	unsigned int		offset;
419 };
420 
421 struct mlx5_core_health {
422 	struct health_buffer __iomem   *health;
423 	__be32 __iomem		       *health_counter;
424 	struct timer_list		timer;
425 	u32				prev;
426 	int				miss_counter;
427 	u8				synd;
428 	u32				fatal_error;
429 	u32				crdump_size;
430 	/* wq spinlock to synchronize draining */
431 	spinlock_t			wq_lock;
432 	struct workqueue_struct	       *wq;
433 	unsigned long			flags;
434 	struct work_struct		fatal_report_work;
435 	struct work_struct		report_work;
436 	struct devlink_health_reporter *fw_reporter;
437 	struct devlink_health_reporter *fw_fatal_reporter;
438 	struct delayed_work		update_fw_log_ts_work;
439 };
440 
441 struct mlx5_qp_table {
442 	struct notifier_block   nb;
443 
444 	/* protect radix tree
445 	 */
446 	spinlock_t		lock;
447 	struct radix_tree_root	tree;
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 };
473 
474 struct mlx5_fc_pool {
475 	struct mlx5_core_dev *dev;
476 	struct mutex pool_lock; /* protects pool lists */
477 	struct list_head fully_used;
478 	struct list_head partially_used;
479 	struct list_head unused;
480 	int available_fcs;
481 	int used_fcs;
482 	int threshold;
483 };
484 
485 struct mlx5_fc_stats {
486 	spinlock_t counters_idr_lock; /* protects counters_idr */
487 	struct idr counters_idr;
488 	struct list_head counters;
489 	struct llist_head addlist;
490 	struct llist_head dellist;
491 
492 	struct workqueue_struct *wq;
493 	struct delayed_work work;
494 	unsigned long next_query;
495 	unsigned long sampling_interval; /* jiffies */
496 	u32 *bulk_query_out;
497 	int bulk_query_len;
498 	size_t num_counters;
499 	bool bulk_query_alloc_failed;
500 	unsigned long next_bulk_query_alloc;
501 	struct mlx5_fc_pool fc_pool;
502 };
503 
504 struct mlx5_events;
505 struct mlx5_mpfs;
506 struct mlx5_eswitch;
507 struct mlx5_lag;
508 struct mlx5_devcom;
509 struct mlx5_fw_reset;
510 struct mlx5_eq_table;
511 struct mlx5_irq_table;
512 struct mlx5_vhca_state_notifier;
513 struct mlx5_sf_dev_table;
514 struct mlx5_sf_hw_table;
515 struct mlx5_sf_table;
516 
517 struct mlx5_rate_limit {
518 	u32			rate;
519 	u32			max_burst_sz;
520 	u16			typical_pkt_sz;
521 };
522 
523 struct mlx5_rl_entry {
524 	u8 rl_raw[MLX5_ST_SZ_BYTES(set_pp_rate_limit_context)];
525 	u64 refcount;
526 	u16 index;
527 	u16 uid;
528 	u8 dedicated : 1;
529 };
530 
531 struct mlx5_rl_table {
532 	/* protect rate limit table */
533 	struct mutex            rl_lock;
534 	u16                     max_size;
535 	u32                     max_rate;
536 	u32                     min_rate;
537 	struct mlx5_rl_entry   *rl_entry;
538 	u64 refcount;
539 };
540 
541 struct mlx5_core_roce {
542 	struct mlx5_flow_table *ft;
543 	struct mlx5_flow_group *fg;
544 	struct mlx5_flow_handle *allow_rule;
545 };
546 
547 enum {
548 	MLX5_PRIV_FLAGS_DISABLE_IB_ADEV = 1 << 0,
549 	MLX5_PRIV_FLAGS_DISABLE_ALL_ADEV = 1 << 1,
550 	/* Set during device detach to block any further devices
551 	 * creation/deletion on drivers rescan. Unset during device attach.
552 	 */
553 	MLX5_PRIV_FLAGS_DETACH = 1 << 2,
554 };
555 
556 struct mlx5_adev {
557 	struct auxiliary_device adev;
558 	struct mlx5_core_dev *mdev;
559 	int idx;
560 };
561 
562 struct mlx5_debugfs_entries {
563 	struct dentry *dbg_root;
564 	struct dentry *qp_debugfs;
565 	struct dentry *eq_debugfs;
566 	struct dentry *cq_debugfs;
567 	struct dentry *cmdif_debugfs;
568 	struct dentry *pages_debugfs;
569 	struct dentry *lag_debugfs;
570 };
571 
572 struct mlx5_ft_pool;
573 struct mlx5_priv {
574 	/* IRQ table valid only for real pci devices PF or VF */
575 	struct mlx5_irq_table   *irq_table;
576 	struct mlx5_eq_table	*eq_table;
577 
578 	/* pages stuff */
579 	struct mlx5_nb          pg_nb;
580 	struct workqueue_struct *pg_wq;
581 	struct xarray           page_root_xa;
582 	u32			fw_pages;
583 	atomic_t		reg_pages;
584 	struct list_head	free_list;
585 	u32			vfs_pages;
586 	u32			host_pf_pages;
587 	u32			fw_pages_alloc_failed;
588 	u32			give_pages_dropped;
589 	u32			reclaim_pages_discard;
590 
591 	struct mlx5_core_health health;
592 	struct list_head	traps;
593 
594 	struct mlx5_debugfs_entries dbg;
595 
596 	/* start: alloc staff */
597 	/* protect buffer allocation according to numa node */
598 	struct mutex            alloc_mutex;
599 	int                     numa_node;
600 
601 	struct mutex            pgdir_mutex;
602 	struct list_head        pgdir_list;
603 	/* end: alloc staff */
604 
605 	struct list_head        ctx_list;
606 	spinlock_t              ctx_lock;
607 	struct mlx5_adev       **adev;
608 	int			adev_idx;
609 	struct mlx5_events      *events;
610 
611 	struct mlx5_flow_steering *steering;
612 	struct mlx5_mpfs        *mpfs;
613 	struct mlx5_eswitch     *eswitch;
614 	struct mlx5_core_sriov	sriov;
615 	struct mlx5_lag		*lag;
616 	u32			flags;
617 	struct mlx5_devcom	*devcom;
618 	struct mlx5_fw_reset	*fw_reset;
619 	struct mlx5_core_roce	roce;
620 	struct mlx5_fc_stats		fc_stats;
621 	struct mlx5_rl_table            rl_table;
622 	struct mlx5_ft_pool		*ft_pool;
623 
624 	struct mlx5_bfreg_data		bfregs;
625 	struct mlx5_uars_page	       *uar;
626 #ifdef CONFIG_MLX5_SF
627 	struct mlx5_vhca_state_notifier *vhca_state_notifier;
628 	struct mlx5_sf_dev_table *sf_dev_table;
629 	struct mlx5_core_dev *parent_mdev;
630 #endif
631 #ifdef CONFIG_MLX5_SF_MANAGER
632 	struct mlx5_sf_hw_table *sf_hw_table;
633 	struct mlx5_sf_table *sf_table;
634 #endif
635 };
636 
637 enum mlx5_device_state {
638 	MLX5_DEVICE_STATE_UP = 1,
639 	MLX5_DEVICE_STATE_INTERNAL_ERROR,
640 };
641 
642 enum mlx5_interface_state {
643 	MLX5_INTERFACE_STATE_UP = BIT(0),
644 	MLX5_BREAK_FW_WAIT = BIT(1),
645 };
646 
647 enum mlx5_pci_status {
648 	MLX5_PCI_STATUS_DISABLED,
649 	MLX5_PCI_STATUS_ENABLED,
650 };
651 
652 enum mlx5_pagefault_type_flags {
653 	MLX5_PFAULT_REQUESTOR = 1 << 0,
654 	MLX5_PFAULT_WRITE     = 1 << 1,
655 	MLX5_PFAULT_RDMA      = 1 << 2,
656 };
657 
658 struct mlx5_td {
659 	/* protects tirs list changes while tirs refresh */
660 	struct mutex     list_lock;
661 	struct list_head tirs_list;
662 	u32              tdn;
663 };
664 
665 struct mlx5e_resources {
666 	struct mlx5e_hw_objs {
667 		u32                        pdn;
668 		struct mlx5_td             td;
669 		u32			   mkey;
670 		struct mlx5_sq_bfreg       bfreg;
671 	} hw_objs;
672 	struct devlink_port dl_port;
673 	struct net_device *uplink_netdev;
674 };
675 
676 enum mlx5_sw_icm_type {
677 	MLX5_SW_ICM_TYPE_STEERING,
678 	MLX5_SW_ICM_TYPE_HEADER_MODIFY,
679 };
680 
681 #define MLX5_MAX_RESERVED_GIDS 8
682 
683 struct mlx5_rsvd_gids {
684 	unsigned int start;
685 	unsigned int count;
686 	struct ida ida;
687 };
688 
689 #define MAX_PIN_NUM	8
690 struct mlx5_pps {
691 	u8                         pin_caps[MAX_PIN_NUM];
692 	struct work_struct         out_work;
693 	u64                        start[MAX_PIN_NUM];
694 	u8                         enabled;
695 };
696 
697 struct mlx5_timer {
698 	struct cyclecounter        cycles;
699 	struct timecounter         tc;
700 	u32                        nominal_c_mult;
701 	unsigned long              overflow_period;
702 	struct delayed_work        overflow_work;
703 };
704 
705 struct mlx5_clock {
706 	struct mlx5_nb             pps_nb;
707 	seqlock_t                  lock;
708 	struct hwtstamp_config     hwtstamp_config;
709 	struct ptp_clock          *ptp;
710 	struct ptp_clock_info      ptp_info;
711 	struct mlx5_pps            pps_info;
712 	struct mlx5_timer          timer;
713 };
714 
715 struct mlx5_dm;
716 struct mlx5_fw_tracer;
717 struct mlx5_vxlan;
718 struct mlx5_geneve;
719 struct mlx5_hv_vhca;
720 
721 #define MLX5_LOG_SW_ICM_BLOCK_SIZE(dev) (MLX5_CAP_DEV_MEM(dev, log_sw_icm_alloc_granularity))
722 #define MLX5_SW_ICM_BLOCK_SIZE(dev) (1 << MLX5_LOG_SW_ICM_BLOCK_SIZE(dev))
723 
724 enum {
725 	MLX5_PROF_MASK_QP_SIZE		= (u64)1 << 0,
726 	MLX5_PROF_MASK_MR_CACHE		= (u64)1 << 1,
727 };
728 
729 enum {
730 	MR_CACHE_LAST_STD_ENTRY = 20,
731 	MLX5_IMR_MTT_CACHE_ENTRY,
732 	MLX5_IMR_KSM_CACHE_ENTRY,
733 	MAX_MR_CACHE_ENTRIES
734 };
735 
736 struct mlx5_profile {
737 	u64	mask;
738 	u8	log_max_qp;
739 	struct {
740 		int	size;
741 		int	limit;
742 	} mr_cache[MAX_MR_CACHE_ENTRIES];
743 };
744 
745 struct mlx5_hca_cap {
746 	u32 cur[MLX5_UN_SZ_DW(hca_cap_union)];
747 	u32 max[MLX5_UN_SZ_DW(hca_cap_union)];
748 };
749 
750 struct mlx5_core_dev {
751 	struct device *device;
752 	enum mlx5_coredev_type coredev_type;
753 	struct pci_dev	       *pdev;
754 	/* sync pci state */
755 	struct mutex		pci_status_mutex;
756 	enum mlx5_pci_status	pci_status;
757 	u8			rev_id;
758 	char			board_id[MLX5_BOARD_ID_LEN];
759 	struct mlx5_cmd		cmd;
760 	struct {
761 		struct mlx5_hca_cap *hca[MLX5_CAP_NUM];
762 		u32 pcam[MLX5_ST_SZ_DW(pcam_reg)];
763 		u32 mcam[MLX5_MCAM_REGS_NUM][MLX5_ST_SZ_DW(mcam_reg)];
764 		u32 fpga[MLX5_ST_SZ_DW(fpga_cap)];
765 		u32 qcam[MLX5_ST_SZ_DW(qcam_reg)];
766 		u8  embedded_cpu;
767 	} caps;
768 	struct mlx5_timeouts	*timeouts;
769 	u64			sys_image_guid;
770 	phys_addr_t		iseg_base;
771 	struct mlx5_init_seg __iomem *iseg;
772 	phys_addr_t             bar_addr;
773 	enum mlx5_device_state	state;
774 	/* sync interface state */
775 	struct mutex		intf_state_mutex;
776 	unsigned long		intf_state;
777 	struct mlx5_priv	priv;
778 	struct mlx5_profile	profile;
779 	u32			issi;
780 	struct mlx5e_resources  mlx5e_res;
781 	struct mlx5_dm          *dm;
782 	struct mlx5_vxlan       *vxlan;
783 	struct mlx5_geneve      *geneve;
784 	struct {
785 		struct mlx5_rsvd_gids	reserved_gids;
786 		u32			roce_en;
787 	} roce;
788 #ifdef CONFIG_MLX5_FPGA
789 	struct mlx5_fpga_device *fpga;
790 #endif
791 	struct mlx5_clock        clock;
792 	struct mlx5_ib_clock_info  *clock_info;
793 	struct mlx5_fw_tracer   *tracer;
794 	struct mlx5_rsc_dump    *rsc_dump;
795 	u32                      vsc_addr;
796 	struct mlx5_hv_vhca	*hv_vhca;
797 };
798 
799 struct mlx5_db {
800 	__be32			*db;
801 	union {
802 		struct mlx5_db_pgdir		*pgdir;
803 		struct mlx5_ib_user_db_page	*user_page;
804 	}			u;
805 	dma_addr_t		dma;
806 	int			index;
807 };
808 
809 enum {
810 	MLX5_COMP_EQ_SIZE = 1024,
811 };
812 
813 enum {
814 	MLX5_PTYS_IB = 1 << 0,
815 	MLX5_PTYS_EN = 1 << 2,
816 };
817 
818 typedef void (*mlx5_cmd_cbk_t)(int status, void *context);
819 
820 enum {
821 	MLX5_CMD_ENT_STATE_PENDING_COMP,
822 };
823 
824 struct mlx5_cmd_work_ent {
825 	unsigned long		state;
826 	struct mlx5_cmd_msg    *in;
827 	struct mlx5_cmd_msg    *out;
828 	void		       *uout;
829 	int			uout_size;
830 	mlx5_cmd_cbk_t		callback;
831 	struct delayed_work	cb_timeout_work;
832 	void		       *context;
833 	int			idx;
834 	struct completion	handling;
835 	struct completion	done;
836 	struct mlx5_cmd        *cmd;
837 	struct work_struct	work;
838 	struct mlx5_cmd_layout *lay;
839 	int			ret;
840 	int			page_queue;
841 	u8			status;
842 	u8			token;
843 	u64			ts1;
844 	u64			ts2;
845 	u16			op;
846 	bool			polling;
847 	/* Track the max comp handlers */
848 	refcount_t              refcnt;
849 };
850 
851 struct mlx5_pas {
852 	u64	pa;
853 	u8	log_sz;
854 };
855 
856 enum phy_port_state {
857 	MLX5_AAA_111
858 };
859 
860 struct mlx5_hca_vport_context {
861 	u32			field_select;
862 	bool			sm_virt_aware;
863 	bool			has_smi;
864 	bool			has_raw;
865 	enum port_state_policy	policy;
866 	enum phy_port_state	phys_state;
867 	enum ib_port_state	vport_state;
868 	u8			port_physical_state;
869 	u64			sys_image_guid;
870 	u64			port_guid;
871 	u64			node_guid;
872 	u32			cap_mask1;
873 	u32			cap_mask1_perm;
874 	u16			cap_mask2;
875 	u16			cap_mask2_perm;
876 	u16			lid;
877 	u8			init_type_reply; /* bitmask: see ib spec 14.2.5.6 InitTypeReply */
878 	u8			lmc;
879 	u8			subnet_timeout;
880 	u16			sm_lid;
881 	u8			sm_sl;
882 	u16			qkey_violation_counter;
883 	u16			pkey_violation_counter;
884 	bool			grh_required;
885 };
886 
887 #define STRUCT_FIELD(header, field) \
888 	.struct_offset_bytes = offsetof(struct ib_unpacked_ ## header, field),      \
889 	.struct_size_bytes   = sizeof((struct ib_unpacked_ ## header *)0)->field
890 
891 extern struct dentry *mlx5_debugfs_root;
892 
893 static inline u16 fw_rev_maj(struct mlx5_core_dev *dev)
894 {
895 	return ioread32be(&dev->iseg->fw_rev) & 0xffff;
896 }
897 
898 static inline u16 fw_rev_min(struct mlx5_core_dev *dev)
899 {
900 	return ioread32be(&dev->iseg->fw_rev) >> 16;
901 }
902 
903 static inline u16 fw_rev_sub(struct mlx5_core_dev *dev)
904 {
905 	return ioread32be(&dev->iseg->cmdif_rev_fw_sub) & 0xffff;
906 }
907 
908 static inline u32 mlx5_base_mkey(const u32 key)
909 {
910 	return key & 0xffffff00u;
911 }
912 
913 static inline u32 wq_get_byte_sz(u8 log_sz, u8 log_stride)
914 {
915 	return ((u32)1 << log_sz) << log_stride;
916 }
917 
918 static inline void mlx5_init_fbc_offset(struct mlx5_buf_list *frags,
919 					u8 log_stride, u8 log_sz,
920 					u16 strides_offset,
921 					struct mlx5_frag_buf_ctrl *fbc)
922 {
923 	fbc->frags      = frags;
924 	fbc->log_stride = log_stride;
925 	fbc->log_sz     = log_sz;
926 	fbc->sz_m1	= (1 << fbc->log_sz) - 1;
927 	fbc->log_frag_strides = PAGE_SHIFT - fbc->log_stride;
928 	fbc->frag_sz_m1	= (1 << fbc->log_frag_strides) - 1;
929 	fbc->strides_offset = strides_offset;
930 }
931 
932 static inline void mlx5_init_fbc(struct mlx5_buf_list *frags,
933 				 u8 log_stride, u8 log_sz,
934 				 struct mlx5_frag_buf_ctrl *fbc)
935 {
936 	mlx5_init_fbc_offset(frags, log_stride, log_sz, 0, fbc);
937 }
938 
939 static inline void *mlx5_frag_buf_get_wqe(struct mlx5_frag_buf_ctrl *fbc,
940 					  u32 ix)
941 {
942 	unsigned int frag;
943 
944 	ix  += fbc->strides_offset;
945 	frag = ix >> fbc->log_frag_strides;
946 
947 	return fbc->frags[frag].buf + ((fbc->frag_sz_m1 & ix) << fbc->log_stride);
948 }
949 
950 static inline u32
951 mlx5_frag_buf_get_idx_last_contig_stride(struct mlx5_frag_buf_ctrl *fbc, u32 ix)
952 {
953 	u32 last_frag_stride_idx = (ix + fbc->strides_offset) | fbc->frag_sz_m1;
954 
955 	return min_t(u32, last_frag_stride_idx - fbc->strides_offset, fbc->sz_m1);
956 }
957 
958 enum {
959 	CMD_ALLOWED_OPCODE_ALL,
960 };
961 
962 void mlx5_cmd_use_events(struct mlx5_core_dev *dev);
963 void mlx5_cmd_use_polling(struct mlx5_core_dev *dev);
964 void mlx5_cmd_allowed_opcode(struct mlx5_core_dev *dev, u16 opcode);
965 
966 struct mlx5_async_ctx {
967 	struct mlx5_core_dev *dev;
968 	atomic_t num_inflight;
969 	struct wait_queue_head wait;
970 };
971 
972 struct mlx5_async_work;
973 
974 typedef void (*mlx5_async_cbk_t)(int status, struct mlx5_async_work *context);
975 
976 struct mlx5_async_work {
977 	struct mlx5_async_ctx *ctx;
978 	mlx5_async_cbk_t user_callback;
979 	u16 opcode; /* cmd opcode */
980 	void *out; /* pointer to the cmd output buffer */
981 };
982 
983 void mlx5_cmd_init_async_ctx(struct mlx5_core_dev *dev,
984 			     struct mlx5_async_ctx *ctx);
985 void mlx5_cmd_cleanup_async_ctx(struct mlx5_async_ctx *ctx);
986 int mlx5_cmd_exec_cb(struct mlx5_async_ctx *ctx, void *in, int in_size,
987 		     void *out, int out_size, mlx5_async_cbk_t callback,
988 		     struct mlx5_async_work *work);
989 void mlx5_cmd_out_err(struct mlx5_core_dev *dev, u16 opcode, u16 op_mod, void *out);
990 int mlx5_cmd_do(struct mlx5_core_dev *dev, void *in, int in_size, void *out, int out_size);
991 int mlx5_cmd_check(struct mlx5_core_dev *dev, int err, void *in, void *out);
992 int mlx5_cmd_exec(struct mlx5_core_dev *dev, void *in, int in_size, void *out,
993 		  int out_size);
994 
995 #define mlx5_cmd_exec_inout(dev, ifc_cmd, in, out)                             \
996 	({                                                                     \
997 		mlx5_cmd_exec(dev, in, MLX5_ST_SZ_BYTES(ifc_cmd##_in), out,    \
998 			      MLX5_ST_SZ_BYTES(ifc_cmd##_out));                \
999 	})
1000 
1001 #define mlx5_cmd_exec_in(dev, ifc_cmd, in)                                     \
1002 	({                                                                     \
1003 		u32 _out[MLX5_ST_SZ_DW(ifc_cmd##_out)] = {};                   \
1004 		mlx5_cmd_exec_inout(dev, ifc_cmd, in, _out);                   \
1005 	})
1006 
1007 int mlx5_cmd_exec_polling(struct mlx5_core_dev *dev, void *in, int in_size,
1008 			  void *out, int out_size);
1009 bool mlx5_cmd_is_down(struct mlx5_core_dev *dev);
1010 
1011 int mlx5_core_get_caps(struct mlx5_core_dev *dev, enum mlx5_cap_type cap_type);
1012 void mlx5_health_flush(struct mlx5_core_dev *dev);
1013 void mlx5_health_cleanup(struct mlx5_core_dev *dev);
1014 int mlx5_health_init(struct mlx5_core_dev *dev);
1015 void mlx5_start_health_poll(struct mlx5_core_dev *dev);
1016 void mlx5_stop_health_poll(struct mlx5_core_dev *dev, bool disable_health);
1017 void mlx5_drain_health_wq(struct mlx5_core_dev *dev);
1018 void mlx5_trigger_health_work(struct mlx5_core_dev *dev);
1019 int mlx5_frag_buf_alloc_node(struct mlx5_core_dev *dev, int size,
1020 			     struct mlx5_frag_buf *buf, int node);
1021 void mlx5_frag_buf_free(struct mlx5_core_dev *dev, struct mlx5_frag_buf *buf);
1022 struct mlx5_cmd_mailbox *mlx5_alloc_cmd_mailbox_chain(struct mlx5_core_dev *dev,
1023 						      gfp_t flags, int npages);
1024 void mlx5_free_cmd_mailbox_chain(struct mlx5_core_dev *dev,
1025 				 struct mlx5_cmd_mailbox *head);
1026 int mlx5_core_create_mkey(struct mlx5_core_dev *dev, u32 *mkey, u32 *in,
1027 			  int inlen);
1028 int mlx5_core_destroy_mkey(struct mlx5_core_dev *dev, u32 mkey);
1029 int mlx5_core_query_mkey(struct mlx5_core_dev *dev, u32 mkey, u32 *out,
1030 			 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_pages_debugfs_init(struct mlx5_core_dev *dev);
1038 void mlx5_pages_debugfs_cleanup(struct mlx5_core_dev *dev);
1039 void mlx5_core_req_pages_handler(struct mlx5_core_dev *dev, u16 func_id,
1040 				 s32 npages, bool ec_function);
1041 int mlx5_satisfy_startup_pages(struct mlx5_core_dev *dev, int boot);
1042 int mlx5_reclaim_startup_pages(struct mlx5_core_dev *dev);
1043 void mlx5_register_debugfs(void);
1044 void mlx5_unregister_debugfs(void);
1045 
1046 void mlx5_fill_page_frag_array_perm(struct mlx5_frag_buf *buf, __be64 *pas, u8 perm);
1047 void mlx5_fill_page_frag_array(struct mlx5_frag_buf *frag_buf, __be64 *pas);
1048 int mlx5_vector2eqn(struct mlx5_core_dev *dev, int vector, int *eqn);
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 struct dentry *mlx5_debugfs_get_dev_root(struct mlx5_core_dev *dev);
1053 void mlx5_qp_debugfs_init(struct mlx5_core_dev *dev);
1054 void mlx5_qp_debugfs_cleanup(struct mlx5_core_dev *dev);
1055 int mlx5_access_reg(struct mlx5_core_dev *dev, void *data_in, int size_in,
1056 		    void *data_out, int size_out, u16 reg_id, int arg,
1057 		    int write, bool verbose);
1058 int mlx5_core_access_reg(struct mlx5_core_dev *dev, void *data_in,
1059 			 int size_in, void *data_out, int size_out,
1060 			 u16 reg_num, int arg, int write);
1061 
1062 int mlx5_db_alloc_node(struct mlx5_core_dev *dev, struct mlx5_db *db,
1063 		       int node);
1064 
1065 static inline int mlx5_db_alloc(struct mlx5_core_dev *dev, struct mlx5_db *db)
1066 {
1067 	return mlx5_db_alloc_node(dev, db, dev->priv.numa_node);
1068 }
1069 
1070 void mlx5_db_free(struct mlx5_core_dev *dev, struct mlx5_db *db);
1071 
1072 const char *mlx5_command_str(int command);
1073 void mlx5_cmdif_debugfs_init(struct mlx5_core_dev *dev);
1074 void mlx5_cmdif_debugfs_cleanup(struct mlx5_core_dev *dev);
1075 int mlx5_core_create_psv(struct mlx5_core_dev *dev, u32 pdn,
1076 			 int npsvs, u32 *sig_index);
1077 int mlx5_core_destroy_psv(struct mlx5_core_dev *dev, int psv_num);
1078 void mlx5_core_put_rsc(struct mlx5_core_rsc_common *common);
1079 int mlx5_query_odp_caps(struct mlx5_core_dev *dev,
1080 			struct mlx5_odp_caps *odp_caps);
1081 int mlx5_core_query_ib_ppcnt(struct mlx5_core_dev *dev,
1082 			     u8 port_num, void *out, size_t sz);
1083 
1084 int mlx5_init_rl_table(struct mlx5_core_dev *dev);
1085 void mlx5_cleanup_rl_table(struct mlx5_core_dev *dev);
1086 int mlx5_rl_add_rate(struct mlx5_core_dev *dev, u16 *index,
1087 		     struct mlx5_rate_limit *rl);
1088 void mlx5_rl_remove_rate(struct mlx5_core_dev *dev, struct mlx5_rate_limit *rl);
1089 bool mlx5_rl_is_in_range(struct mlx5_core_dev *dev, u32 rate);
1090 int mlx5_rl_add_rate_raw(struct mlx5_core_dev *dev, void *rl_in, u16 uid,
1091 			 bool dedicated_entry, u16 *index);
1092 void mlx5_rl_remove_rate_raw(struct mlx5_core_dev *dev, u16 index);
1093 bool mlx5_rl_are_equal(struct mlx5_rate_limit *rl_0,
1094 		       struct mlx5_rate_limit *rl_1);
1095 int mlx5_alloc_bfreg(struct mlx5_core_dev *mdev, struct mlx5_sq_bfreg *bfreg,
1096 		     bool map_wc, bool fast_path);
1097 void mlx5_free_bfreg(struct mlx5_core_dev *mdev, struct mlx5_sq_bfreg *bfreg);
1098 
1099 unsigned int mlx5_comp_vectors_count(struct mlx5_core_dev *dev);
1100 struct cpumask *
1101 mlx5_comp_irq_get_affinity_mask(struct mlx5_core_dev *dev, int vector);
1102 unsigned int mlx5_core_reserved_gids_count(struct mlx5_core_dev *dev);
1103 int mlx5_core_roce_gid_set(struct mlx5_core_dev *dev, unsigned int index,
1104 			   u8 roce_version, u8 roce_l3_type, const u8 *gid,
1105 			   const u8 *mac, bool vlan, u16 vlan_id, u8 port_num);
1106 
1107 static inline u32 mlx5_mkey_to_idx(u32 mkey)
1108 {
1109 	return mkey >> 8;
1110 }
1111 
1112 static inline u32 mlx5_idx_to_mkey(u32 mkey_idx)
1113 {
1114 	return mkey_idx << 8;
1115 }
1116 
1117 static inline u8 mlx5_mkey_variant(u32 mkey)
1118 {
1119 	return mkey & 0xff;
1120 }
1121 
1122 /* Async-atomic event notifier used by mlx5 core to forward FW
1123  * evetns received from event queue to mlx5 consumers.
1124  * Optimise event queue dipatching.
1125  */
1126 int mlx5_notifier_register(struct mlx5_core_dev *dev, struct notifier_block *nb);
1127 int mlx5_notifier_unregister(struct mlx5_core_dev *dev, struct notifier_block *nb);
1128 
1129 /* Async-atomic event notifier used for forwarding
1130  * evetns from the event queue into the to mlx5 events dispatcher,
1131  * eswitch, clock and others.
1132  */
1133 int mlx5_eq_notifier_register(struct mlx5_core_dev *dev, struct mlx5_nb *nb);
1134 int mlx5_eq_notifier_unregister(struct mlx5_core_dev *dev, struct mlx5_nb *nb);
1135 
1136 /* Blocking event notifier used to forward SW events, used for slow path */
1137 int mlx5_blocking_notifier_register(struct mlx5_core_dev *dev, struct notifier_block *nb);
1138 int mlx5_blocking_notifier_unregister(struct mlx5_core_dev *dev, struct notifier_block *nb);
1139 int mlx5_blocking_notifier_call_chain(struct mlx5_core_dev *dev, unsigned int event,
1140 				      void *data);
1141 
1142 int mlx5_core_query_vendor_id(struct mlx5_core_dev *mdev, u32 *vendor_id);
1143 
1144 int mlx5_cmd_create_vport_lag(struct mlx5_core_dev *dev);
1145 int mlx5_cmd_destroy_vport_lag(struct mlx5_core_dev *dev);
1146 bool mlx5_lag_is_roce(struct mlx5_core_dev *dev);
1147 bool mlx5_lag_is_sriov(struct mlx5_core_dev *dev);
1148 bool mlx5_lag_is_active(struct mlx5_core_dev *dev);
1149 bool mlx5_lag_is_master(struct mlx5_core_dev *dev);
1150 bool mlx5_lag_is_shared_fdb(struct mlx5_core_dev *dev);
1151 struct net_device *mlx5_lag_get_roce_netdev(struct mlx5_core_dev *dev);
1152 u8 mlx5_lag_get_slave_port(struct mlx5_core_dev *dev,
1153 			   struct net_device *slave);
1154 int mlx5_lag_query_cong_counters(struct mlx5_core_dev *dev,
1155 				 u64 *values,
1156 				 int num_counters,
1157 				 size_t *offsets);
1158 struct mlx5_core_dev *mlx5_lag_get_peer_mdev(struct mlx5_core_dev *dev);
1159 u8 mlx5_lag_get_num_ports(struct mlx5_core_dev *dev);
1160 struct mlx5_uars_page *mlx5_get_uars_page(struct mlx5_core_dev *mdev);
1161 void mlx5_put_uars_page(struct mlx5_core_dev *mdev, struct mlx5_uars_page *up);
1162 int mlx5_dm_sw_icm_alloc(struct mlx5_core_dev *dev, enum mlx5_sw_icm_type type,
1163 			 u64 length, u32 log_alignment, u16 uid,
1164 			 phys_addr_t *addr, u32 *obj_id);
1165 int mlx5_dm_sw_icm_dealloc(struct mlx5_core_dev *dev, enum mlx5_sw_icm_type type,
1166 			   u64 length, u16 uid, phys_addr_t addr, u32 obj_id);
1167 
1168 struct mlx5_core_dev *mlx5_vf_get_core_dev(struct pci_dev *pdev);
1169 void mlx5_vf_put_core_dev(struct mlx5_core_dev *mdev);
1170 
1171 int mlx5_sriov_blocking_notifier_register(struct mlx5_core_dev *mdev,
1172 					  int vf_id,
1173 					  struct notifier_block *nb);
1174 void mlx5_sriov_blocking_notifier_unregister(struct mlx5_core_dev *mdev,
1175 					     int vf_id,
1176 					     struct notifier_block *nb);
1177 #ifdef CONFIG_MLX5_CORE_IPOIB
1178 struct net_device *mlx5_rdma_netdev_alloc(struct mlx5_core_dev *mdev,
1179 					  struct ib_device *ibdev,
1180 					  const char *name,
1181 					  void (*setup)(struct net_device *));
1182 #endif /* CONFIG_MLX5_CORE_IPOIB */
1183 int mlx5_rdma_rn_get_params(struct mlx5_core_dev *mdev,
1184 			    struct ib_device *device,
1185 			    struct rdma_netdev_alloc_params *params);
1186 
1187 enum {
1188 	MLX5_PCI_DEV_IS_VF		= 1 << 0,
1189 };
1190 
1191 static inline bool mlx5_core_is_pf(const struct mlx5_core_dev *dev)
1192 {
1193 	return dev->coredev_type == MLX5_COREDEV_PF;
1194 }
1195 
1196 static inline bool mlx5_core_is_vf(const struct mlx5_core_dev *dev)
1197 {
1198 	return dev->coredev_type == MLX5_COREDEV_VF;
1199 }
1200 
1201 static inline bool mlx5_core_is_ecpf(const struct mlx5_core_dev *dev)
1202 {
1203 	return dev->caps.embedded_cpu;
1204 }
1205 
1206 static inline bool
1207 mlx5_core_is_ecpf_esw_manager(const struct mlx5_core_dev *dev)
1208 {
1209 	return dev->caps.embedded_cpu && MLX5_CAP_GEN(dev, eswitch_manager);
1210 }
1211 
1212 static inline bool mlx5_ecpf_vport_exists(const struct mlx5_core_dev *dev)
1213 {
1214 	return mlx5_core_is_pf(dev) && MLX5_CAP_ESW(dev, ecpf_vport_exists);
1215 }
1216 
1217 static inline u16 mlx5_core_max_vfs(const struct mlx5_core_dev *dev)
1218 {
1219 	return dev->priv.sriov.max_vfs;
1220 }
1221 
1222 static inline int mlx5_get_gid_table_len(u16 param)
1223 {
1224 	if (param > 4) {
1225 		pr_warn("gid table length is zero\n");
1226 		return 0;
1227 	}
1228 
1229 	return 8 * (1 << param);
1230 }
1231 
1232 static inline bool mlx5_rl_is_supported(struct mlx5_core_dev *dev)
1233 {
1234 	return !!(dev->priv.rl_table.max_size);
1235 }
1236 
1237 static inline int mlx5_core_is_mp_slave(struct mlx5_core_dev *dev)
1238 {
1239 	return MLX5_CAP_GEN(dev, affiliate_nic_vport_criteria) &&
1240 	       MLX5_CAP_GEN(dev, num_vhca_ports) <= 1;
1241 }
1242 
1243 static inline int mlx5_core_is_mp_master(struct mlx5_core_dev *dev)
1244 {
1245 	return MLX5_CAP_GEN(dev, num_vhca_ports) > 1;
1246 }
1247 
1248 static inline int mlx5_core_mp_enabled(struct mlx5_core_dev *dev)
1249 {
1250 	return mlx5_core_is_mp_slave(dev) ||
1251 	       mlx5_core_is_mp_master(dev);
1252 }
1253 
1254 static inline int mlx5_core_native_port_num(struct mlx5_core_dev *dev)
1255 {
1256 	if (!mlx5_core_mp_enabled(dev))
1257 		return 1;
1258 
1259 	return MLX5_CAP_GEN(dev, native_port_num);
1260 }
1261 
1262 static inline int mlx5_get_dev_index(struct mlx5_core_dev *dev)
1263 {
1264 	int idx = MLX5_CAP_GEN(dev, native_port_num);
1265 
1266 	if (idx >= 1 && idx <= MLX5_MAX_PORTS)
1267 		return idx - 1;
1268 	else
1269 		return PCI_FUNC(dev->pdev->devfn);
1270 }
1271 
1272 enum {
1273 	MLX5_TRIGGERED_CMD_COMP = (u64)1 << 32,
1274 };
1275 
1276 static inline bool mlx5_is_roce_init_enabled(struct mlx5_core_dev *dev)
1277 {
1278 	struct devlink *devlink = priv_to_devlink(dev);
1279 	union devlink_param_value val;
1280 	int err;
1281 
1282 	err = devlink_param_driverinit_value_get(devlink,
1283 						 DEVLINK_PARAM_GENERIC_ID_ENABLE_ROCE,
1284 						 &val);
1285 	return err ? MLX5_CAP_GEN(dev, roce) : val.vbool;
1286 }
1287 
1288 #endif /* MLX5_DRIVER_H */
1289