xref: /linux-6.15/include/linux/mlx5/driver.h (revision 53b8d2be) 
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_MTMP		 = 0x900A,
138 	MLX5_REG_MCIA		 = 0x9014,
139 	MLX5_REG_MFRL		 = 0x9028,
140 	MLX5_REG_MLCR		 = 0x902b,
141 	MLX5_REG_MRTC		 = 0x902d,
142 	MLX5_REG_MTRC_CAP	 = 0x9040,
143 	MLX5_REG_MTRC_CONF	 = 0x9041,
144 	MLX5_REG_MTRC_STDB	 = 0x9042,
145 	MLX5_REG_MTRC_CTRL	 = 0x9043,
146 	MLX5_REG_MPEIN		 = 0x9050,
147 	MLX5_REG_MPCNT		 = 0x9051,
148 	MLX5_REG_MTPPS		 = 0x9053,
149 	MLX5_REG_MTPPSE		 = 0x9054,
150 	MLX5_REG_MTUTC		 = 0x9055,
151 	MLX5_REG_MPEGC		 = 0x9056,
152 	MLX5_REG_MCQS		 = 0x9060,
153 	MLX5_REG_MCQI		 = 0x9061,
154 	MLX5_REG_MCC		 = 0x9062,
155 	MLX5_REG_MCDA		 = 0x9063,
156 	MLX5_REG_MCAM		 = 0x907f,
157 	MLX5_REG_MIRC		 = 0x9162,
158 	MLX5_REG_SBCAM		 = 0xB01F,
159 	MLX5_REG_RESOURCE_DUMP   = 0xC000,
160 	MLX5_REG_DTOR            = 0xC00E,
161 };
162 
163 enum mlx5_qpts_trust_state {
164 	MLX5_QPTS_TRUST_PCP  = 1,
165 	MLX5_QPTS_TRUST_DSCP = 2,
166 };
167 
168 enum mlx5_dcbx_oper_mode {
169 	MLX5E_DCBX_PARAM_VER_OPER_HOST  = 0x0,
170 	MLX5E_DCBX_PARAM_VER_OPER_AUTO  = 0x3,
171 };
172 
173 enum {
174 	MLX5_ATOMIC_OPS_CMP_SWAP	= 1 << 0,
175 	MLX5_ATOMIC_OPS_FETCH_ADD	= 1 << 1,
176 	MLX5_ATOMIC_OPS_EXTENDED_CMP_SWAP = 1 << 2,
177 	MLX5_ATOMIC_OPS_EXTENDED_FETCH_ADD = 1 << 3,
178 };
179 
180 enum mlx5_page_fault_resume_flags {
181 	MLX5_PAGE_FAULT_RESUME_REQUESTOR = 1 << 0,
182 	MLX5_PAGE_FAULT_RESUME_WRITE	 = 1 << 1,
183 	MLX5_PAGE_FAULT_RESUME_RDMA	 = 1 << 2,
184 	MLX5_PAGE_FAULT_RESUME_ERROR	 = 1 << 7,
185 };
186 
187 enum dbg_rsc_type {
188 	MLX5_DBG_RSC_QP,
189 	MLX5_DBG_RSC_EQ,
190 	MLX5_DBG_RSC_CQ,
191 };
192 
193 enum port_state_policy {
194 	MLX5_POLICY_DOWN	= 0,
195 	MLX5_POLICY_UP		= 1,
196 	MLX5_POLICY_FOLLOW	= 2,
197 	MLX5_POLICY_INVALID	= 0xffffffff
198 };
199 
200 enum mlx5_coredev_type {
201 	MLX5_COREDEV_PF,
202 	MLX5_COREDEV_VF,
203 	MLX5_COREDEV_SF,
204 };
205 
206 struct mlx5_field_desc {
207 	int			i;
208 };
209 
210 struct mlx5_rsc_debug {
211 	struct mlx5_core_dev   *dev;
212 	void		       *object;
213 	enum dbg_rsc_type	type;
214 	struct dentry	       *root;
215 	struct mlx5_field_desc	fields[];
216 };
217 
218 enum mlx5_dev_event {
219 	MLX5_DEV_EVENT_SYS_ERROR = 128, /* 0 - 127 are FW events */
220 	MLX5_DEV_EVENT_PORT_AFFINITY = 129,
221 	MLX5_DEV_EVENT_MULTIPORT_ESW = 130,
222 };
223 
224 enum mlx5_port_status {
225 	MLX5_PORT_UP        = 1,
226 	MLX5_PORT_DOWN      = 2,
227 };
228 
229 enum mlx5_cmdif_state {
230 	MLX5_CMDIF_STATE_UNINITIALIZED,
231 	MLX5_CMDIF_STATE_UP,
232 	MLX5_CMDIF_STATE_DOWN,
233 };
234 
235 struct mlx5_cmd_first {
236 	__be32		data[4];
237 };
238 
239 struct mlx5_cmd_msg {
240 	struct list_head		list;
241 	struct cmd_msg_cache	       *parent;
242 	u32				len;
243 	struct mlx5_cmd_first		first;
244 	struct mlx5_cmd_mailbox	       *next;
245 };
246 
247 struct mlx5_cmd_debug {
248 	struct dentry	       *dbg_root;
249 	void		       *in_msg;
250 	void		       *out_msg;
251 	u8			status;
252 	u16			inlen;
253 	u16			outlen;
254 };
255 
256 struct cmd_msg_cache {
257 	/* protect block chain allocations
258 	 */
259 	spinlock_t		lock;
260 	struct list_head	head;
261 	unsigned int		max_inbox_size;
262 	unsigned int		num_ent;
263 };
264 
265 enum {
266 	MLX5_NUM_COMMAND_CACHES = 5,
267 };
268 
269 struct mlx5_cmd_stats {
270 	u64		sum;
271 	u64		n;
272 	/* number of times command failed */
273 	u64		failed;
274 	/* number of times command failed on bad status returned by FW */
275 	u64		failed_mbox_status;
276 	/* last command failed returned errno */
277 	u32		last_failed_errno;
278 	/* last bad status returned by FW */
279 	u8		last_failed_mbox_status;
280 	/* last command failed syndrome returned by FW */
281 	u32		last_failed_syndrome;
282 	struct dentry  *root;
283 	/* protect command average calculations */
284 	spinlock_t	lock;
285 };
286 
287 struct mlx5_cmd {
288 	struct mlx5_nb    nb;
289 
290 	/* members which needs to be queried or reinitialized each reload */
291 	struct {
292 		u16		cmdif_rev;
293 		u8		log_sz;
294 		u8		log_stride;
295 		int		max_reg_cmds;
296 		unsigned long	bitmask;
297 		struct semaphore sem;
298 		struct semaphore pages_sem;
299 		struct semaphore throttle_sem;
300 	} vars;
301 	enum mlx5_cmdif_state	state;
302 	void	       *cmd_alloc_buf;
303 	dma_addr_t	alloc_dma;
304 	int		alloc_size;
305 	void	       *cmd_buf;
306 	dma_addr_t	dma;
307 
308 	/* protect command queue allocations
309 	 */
310 	spinlock_t	alloc_lock;
311 
312 	/* protect token allocations
313 	 */
314 	spinlock_t	token_lock;
315 	u8		token;
316 	char		wq_name[MLX5_CMD_WQ_MAX_NAME];
317 	struct workqueue_struct *wq;
318 	int	mode;
319 	u16     allowed_opcode;
320 	struct mlx5_cmd_work_ent *ent_arr[MLX5_MAX_COMMANDS];
321 	struct dma_pool *pool;
322 	struct mlx5_cmd_debug dbg;
323 	struct cmd_msg_cache cache[MLX5_NUM_COMMAND_CACHES];
324 	int checksum_disabled;
325 	struct xarray stats;
326 };
327 
328 struct mlx5_cmd_mailbox {
329 	void	       *buf;
330 	dma_addr_t	dma;
331 	struct mlx5_cmd_mailbox *next;
332 };
333 
334 struct mlx5_buf_list {
335 	void		       *buf;
336 	dma_addr_t		map;
337 };
338 
339 struct mlx5_frag_buf {
340 	struct mlx5_buf_list	*frags;
341 	int			npages;
342 	int			size;
343 	u8			page_shift;
344 };
345 
346 struct mlx5_frag_buf_ctrl {
347 	struct mlx5_buf_list   *frags;
348 	u32			sz_m1;
349 	u16			frag_sz_m1;
350 	u16			strides_offset;
351 	u8			log_sz;
352 	u8			log_stride;
353 	u8			log_frag_strides;
354 };
355 
356 struct mlx5_core_psv {
357 	u32	psv_idx;
358 	struct psv_layout {
359 		u32	pd;
360 		u16	syndrome;
361 		u16	reserved;
362 		u16	bg;
363 		u16	app_tag;
364 		u32	ref_tag;
365 	} psv;
366 };
367 
368 struct mlx5_core_sig_ctx {
369 	struct mlx5_core_psv	psv_memory;
370 	struct mlx5_core_psv	psv_wire;
371 	struct ib_sig_err       err_item;
372 	bool			sig_status_checked;
373 	bool			sig_err_exists;
374 	u32			sigerr_count;
375 };
376 
377 #define MLX5_24BIT_MASK		((1 << 24) - 1)
378 
379 enum mlx5_res_type {
380 	MLX5_RES_QP	= MLX5_EVENT_QUEUE_TYPE_QP,
381 	MLX5_RES_RQ	= MLX5_EVENT_QUEUE_TYPE_RQ,
382 	MLX5_RES_SQ	= MLX5_EVENT_QUEUE_TYPE_SQ,
383 	MLX5_RES_SRQ	= 3,
384 	MLX5_RES_XSRQ	= 4,
385 	MLX5_RES_XRQ	= 5,
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 	struct workqueue_struct	       *wq;
437 	unsigned long			flags;
438 	struct work_struct		fatal_report_work;
439 	struct work_struct		report_work;
440 	struct devlink_health_reporter *fw_reporter;
441 	struct devlink_health_reporter *fw_fatal_reporter;
442 	struct devlink_health_reporter *vnic_reporter;
443 	struct delayed_work		update_fw_log_ts_work;
444 };
445 
446 enum {
447 	MLX5_PF_NOTIFY_DISABLE_VF,
448 	MLX5_PF_NOTIFY_ENABLE_VF,
449 };
450 
451 struct mlx5_vf_context {
452 	int	enabled;
453 	u64	port_guid;
454 	u64	node_guid;
455 	/* Valid bits are used to validate administrative guid only.
456 	 * Enabled after ndo_set_vf_guid
457 	 */
458 	u8	port_guid_valid:1;
459 	u8	node_guid_valid:1;
460 	enum port_state_policy	policy;
461 	struct blocking_notifier_head notifier;
462 };
463 
464 struct mlx5_core_sriov {
465 	struct mlx5_vf_context	*vfs_ctx;
466 	int			num_vfs;
467 	u16			max_vfs;
468 	u16			max_ec_vfs;
469 };
470 
471 struct mlx5_fc_pool {
472 	struct mlx5_core_dev *dev;
473 	struct mutex pool_lock; /* protects pool lists */
474 	struct list_head fully_used;
475 	struct list_head partially_used;
476 	struct list_head unused;
477 	int available_fcs;
478 	int used_fcs;
479 	int threshold;
480 };
481 
482 struct mlx5_fc_stats {
483 	spinlock_t counters_idr_lock; /* protects counters_idr */
484 	struct idr counters_idr;
485 	struct list_head counters;
486 	struct llist_head addlist;
487 	struct llist_head dellist;
488 
489 	struct workqueue_struct *wq;
490 	struct delayed_work work;
491 	unsigned long next_query;
492 	unsigned long sampling_interval; /* jiffies */
493 	u32 *bulk_query_out;
494 	int bulk_query_len;
495 	size_t num_counters;
496 	bool bulk_query_alloc_failed;
497 	unsigned long next_bulk_query_alloc;
498 	struct mlx5_fc_pool fc_pool;
499 };
500 
501 struct mlx5_events;
502 struct mlx5_mpfs;
503 struct mlx5_eswitch;
504 struct mlx5_lag;
505 struct mlx5_devcom_dev;
506 struct mlx5_fw_reset;
507 struct mlx5_eq_table;
508 struct mlx5_irq_table;
509 struct mlx5_vhca_state_notifier;
510 struct mlx5_sf_dev_table;
511 struct mlx5_sf_hw_table;
512 struct mlx5_sf_table;
513 struct mlx5_crypto_dek_priv;
514 
515 struct mlx5_rate_limit {
516 	u32			rate;
517 	u32			max_burst_sz;
518 	u16			typical_pkt_sz;
519 };
520 
521 struct mlx5_rl_entry {
522 	u8 rl_raw[MLX5_ST_SZ_BYTES(set_pp_rate_limit_context)];
523 	u64 refcount;
524 	u16 index;
525 	u16 uid;
526 	u8 dedicated : 1;
527 };
528 
529 struct mlx5_rl_table {
530 	/* protect rate limit table */
531 	struct mutex            rl_lock;
532 	u16                     max_size;
533 	u32                     max_rate;
534 	u32                     min_rate;
535 	struct mlx5_rl_entry   *rl_entry;
536 	u64 refcount;
537 };
538 
539 struct mlx5_core_roce {
540 	struct mlx5_flow_table *ft;
541 	struct mlx5_flow_group *fg;
542 	struct mlx5_flow_handle *allow_rule;
543 };
544 
545 enum {
546 	MLX5_PRIV_FLAGS_DISABLE_IB_ADEV = 1 << 0,
547 	MLX5_PRIV_FLAGS_DISABLE_ALL_ADEV = 1 << 1,
548 	/* Set during device detach to block any further devices
549 	 * creation/deletion on drivers rescan. Unset during device attach.
550 	 */
551 	MLX5_PRIV_FLAGS_DETACH = 1 << 2,
552 };
553 
554 struct mlx5_adev {
555 	struct auxiliary_device adev;
556 	struct mlx5_core_dev *mdev;
557 	int idx;
558 };
559 
560 struct mlx5_debugfs_entries {
561 	struct dentry *dbg_root;
562 	struct dentry *qp_debugfs;
563 	struct dentry *eq_debugfs;
564 	struct dentry *cq_debugfs;
565 	struct dentry *cmdif_debugfs;
566 	struct dentry *pages_debugfs;
567 	struct dentry *lag_debugfs;
568 };
569 
570 enum mlx5_func_type {
571 	MLX5_PF,
572 	MLX5_VF,
573 	MLX5_SF,
574 	MLX5_HOST_PF,
575 	MLX5_EC_VF,
576 	MLX5_FUNC_TYPE_NUM,
577 };
578 
579 struct mlx5_ft_pool;
580 struct mlx5_priv {
581 	/* IRQ table valid only for real pci devices PF or VF */
582 	struct mlx5_irq_table   *irq_table;
583 	struct mlx5_eq_table	*eq_table;
584 
585 	/* pages stuff */
586 	struct mlx5_nb          pg_nb;
587 	struct workqueue_struct *pg_wq;
588 	struct xarray           page_root_xa;
589 	atomic_t		reg_pages;
590 	struct list_head	free_list;
591 	u32			fw_pages;
592 	u32			page_counters[MLX5_FUNC_TYPE_NUM];
593 	u32			fw_pages_alloc_failed;
594 	u32			give_pages_dropped;
595 	u32			reclaim_pages_discard;
596 
597 	struct mlx5_core_health health;
598 	struct list_head	traps;
599 
600 	struct mlx5_debugfs_entries dbg;
601 
602 	/* start: alloc staff */
603 	/* protect buffer allocation according to numa node */
604 	struct mutex            alloc_mutex;
605 	int                     numa_node;
606 
607 	struct mutex            pgdir_mutex;
608 	struct list_head        pgdir_list;
609 	/* end: alloc staff */
610 
611 	struct mlx5_adev       **adev;
612 	int			adev_idx;
613 	int			sw_vhca_id;
614 	struct mlx5_events      *events;
615 
616 	struct mlx5_flow_steering *steering;
617 	struct mlx5_mpfs        *mpfs;
618 	struct mlx5_eswitch     *eswitch;
619 	struct mlx5_core_sriov	sriov;
620 	struct mlx5_lag		*lag;
621 	u32			flags;
622 	struct mlx5_devcom_dev	*devc;
623 	struct mlx5_fw_reset	*fw_reset;
624 	struct mlx5_core_roce	roce;
625 	struct mlx5_fc_stats		fc_stats;
626 	struct mlx5_rl_table            rl_table;
627 	struct mlx5_ft_pool		*ft_pool;
628 
629 	struct mlx5_bfreg_data		bfregs;
630 	struct mlx5_uars_page	       *uar;
631 #ifdef CONFIG_MLX5_SF
632 	struct mlx5_vhca_state_notifier *vhca_state_notifier;
633 	struct mlx5_sf_dev_table *sf_dev_table;
634 	struct mlx5_core_dev *parent_mdev;
635 #endif
636 #ifdef CONFIG_MLX5_SF_MANAGER
637 	struct mlx5_sf_hw_table *sf_hw_table;
638 	struct mlx5_sf_table *sf_table;
639 #endif
640 };
641 
642 enum mlx5_device_state {
643 	MLX5_DEVICE_STATE_UP = 1,
644 	MLX5_DEVICE_STATE_INTERNAL_ERROR,
645 };
646 
647 enum mlx5_interface_state {
648 	MLX5_INTERFACE_STATE_UP = BIT(0),
649 	MLX5_BREAK_FW_WAIT = BIT(1),
650 };
651 
652 enum mlx5_pci_status {
653 	MLX5_PCI_STATUS_DISABLED,
654 	MLX5_PCI_STATUS_ENABLED,
655 };
656 
657 enum mlx5_pagefault_type_flags {
658 	MLX5_PFAULT_REQUESTOR = 1 << 0,
659 	MLX5_PFAULT_WRITE     = 1 << 1,
660 	MLX5_PFAULT_RDMA      = 1 << 2,
661 };
662 
663 struct mlx5_td {
664 	/* protects tirs list changes while tirs refresh */
665 	struct mutex     list_lock;
666 	struct list_head tirs_list;
667 	u32              tdn;
668 };
669 
670 struct mlx5e_resources {
671 	struct mlx5e_hw_objs {
672 		u32                        pdn;
673 		struct mlx5_td             td;
674 		u32			   mkey;
675 		struct mlx5_sq_bfreg       bfreg;
676 	} hw_objs;
677 	struct net_device *uplink_netdev;
678 	struct mutex uplink_netdev_lock;
679 	struct mlx5_crypto_dek_priv *dek_priv;
680 };
681 
682 enum mlx5_sw_icm_type {
683 	MLX5_SW_ICM_TYPE_STEERING,
684 	MLX5_SW_ICM_TYPE_HEADER_MODIFY,
685 	MLX5_SW_ICM_TYPE_HEADER_MODIFY_PATTERN,
686 };
687 
688 #define MLX5_MAX_RESERVED_GIDS 8
689 
690 struct mlx5_rsvd_gids {
691 	unsigned int start;
692 	unsigned int count;
693 	struct ida ida;
694 };
695 
696 #define MAX_PIN_NUM	8
697 struct mlx5_pps {
698 	u8                         pin_caps[MAX_PIN_NUM];
699 	struct work_struct         out_work;
700 	u64                        start[MAX_PIN_NUM];
701 	u8                         enabled;
702 	u64                        min_npps_period;
703 	u64                        min_out_pulse_duration_ns;
704 };
705 
706 struct mlx5_timer {
707 	struct cyclecounter        cycles;
708 	struct timecounter         tc;
709 	u32                        nominal_c_mult;
710 	unsigned long              overflow_period;
711 	struct delayed_work        overflow_work;
712 };
713 
714 struct mlx5_clock {
715 	struct mlx5_nb             pps_nb;
716 	seqlock_t                  lock;
717 	struct hwtstamp_config     hwtstamp_config;
718 	struct ptp_clock          *ptp;
719 	struct ptp_clock_info      ptp_info;
720 	struct mlx5_pps            pps_info;
721 	struct mlx5_timer          timer;
722 };
723 
724 struct mlx5_dm;
725 struct mlx5_fw_tracer;
726 struct mlx5_vxlan;
727 struct mlx5_geneve;
728 struct mlx5_hv_vhca;
729 struct mlx5_thermal;
730 
731 #define MLX5_LOG_SW_ICM_BLOCK_SIZE(dev) (MLX5_CAP_DEV_MEM(dev, log_sw_icm_alloc_granularity))
732 #define MLX5_SW_ICM_BLOCK_SIZE(dev) (1 << MLX5_LOG_SW_ICM_BLOCK_SIZE(dev))
733 
734 enum {
735 	MLX5_PROF_MASK_QP_SIZE		= (u64)1 << 0,
736 	MLX5_PROF_MASK_MR_CACHE		= (u64)1 << 1,
737 };
738 
739 enum {
740 	MKEY_CACHE_LAST_STD_ENTRY = 20,
741 	MLX5_IMR_KSM_CACHE_ENTRY,
742 	MAX_MKEY_CACHE_ENTRIES
743 };
744 
745 struct mlx5_profile {
746 	u64	mask;
747 	u8	log_max_qp;
748 	u8	num_cmd_caches;
749 	struct {
750 		int	size;
751 		int	limit;
752 	} mr_cache[MAX_MKEY_CACHE_ENTRIES];
753 };
754 
755 struct mlx5_hca_cap {
756 	u32 cur[MLX5_UN_SZ_DW(hca_cap_union)];
757 	u32 max[MLX5_UN_SZ_DW(hca_cap_union)];
758 };
759 
760 struct mlx5_core_dev {
761 	struct device *device;
762 	enum mlx5_coredev_type coredev_type;
763 	struct pci_dev	       *pdev;
764 	/* sync pci state */
765 	struct mutex		pci_status_mutex;
766 	enum mlx5_pci_status	pci_status;
767 	u8			rev_id;
768 	char			board_id[MLX5_BOARD_ID_LEN];
769 	struct mlx5_cmd		cmd;
770 	struct {
771 		struct mlx5_hca_cap *hca[MLX5_CAP_NUM];
772 		u32 pcam[MLX5_ST_SZ_DW(pcam_reg)];
773 		u32 mcam[MLX5_MCAM_REGS_NUM][MLX5_ST_SZ_DW(mcam_reg)];
774 		u32 fpga[MLX5_ST_SZ_DW(fpga_cap)];
775 		u32 qcam[MLX5_ST_SZ_DW(qcam_reg)];
776 		u8  embedded_cpu;
777 	} caps;
778 	struct mlx5_timeouts	*timeouts;
779 	u64			sys_image_guid;
780 	phys_addr_t		iseg_base;
781 	struct mlx5_init_seg __iomem *iseg;
782 	phys_addr_t             bar_addr;
783 	enum mlx5_device_state	state;
784 	/* sync interface state */
785 	struct mutex		intf_state_mutex;
786 	struct lock_class_key	lock_key;
787 	unsigned long		intf_state;
788 	struct mlx5_priv	priv;
789 	struct mlx5_profile	profile;
790 	u32			issi;
791 	struct mlx5e_resources  mlx5e_res;
792 	struct mlx5_dm          *dm;
793 	struct mlx5_vxlan       *vxlan;
794 	struct mlx5_geneve      *geneve;
795 	struct {
796 		struct mlx5_rsvd_gids	reserved_gids;
797 		u32			roce_en;
798 	} roce;
799 #ifdef CONFIG_MLX5_FPGA
800 	struct mlx5_fpga_device *fpga;
801 #endif
802 	struct mlx5_clock        clock;
803 	struct mlx5_ib_clock_info  *clock_info;
804 	struct mlx5_fw_tracer   *tracer;
805 	struct mlx5_rsc_dump    *rsc_dump;
806 	u32                      vsc_addr;
807 	struct mlx5_hv_vhca	*hv_vhca;
808 	struct mlx5_thermal	*thermal;
809 };
810 
811 struct mlx5_db {
812 	__be32			*db;
813 	union {
814 		struct mlx5_db_pgdir		*pgdir;
815 		struct mlx5_ib_user_db_page	*user_page;
816 	}			u;
817 	dma_addr_t		dma;
818 	int			index;
819 };
820 
821 enum {
822 	MLX5_COMP_EQ_SIZE = 1024,
823 };
824 
825 enum {
826 	MLX5_PTYS_IB = 1 << 0,
827 	MLX5_PTYS_EN = 1 << 2,
828 };
829 
830 typedef void (*mlx5_cmd_cbk_t)(int status, void *context);
831 
832 enum {
833 	MLX5_CMD_ENT_STATE_PENDING_COMP,
834 };
835 
836 struct mlx5_cmd_work_ent {
837 	unsigned long		state;
838 	struct mlx5_cmd_msg    *in;
839 	struct mlx5_cmd_msg    *out;
840 	void		       *uout;
841 	int			uout_size;
842 	mlx5_cmd_cbk_t		callback;
843 	struct delayed_work	cb_timeout_work;
844 	void		       *context;
845 	int			idx;
846 	struct completion	handling;
847 	struct completion	done;
848 	struct mlx5_cmd        *cmd;
849 	struct work_struct	work;
850 	struct mlx5_cmd_layout *lay;
851 	int			ret;
852 	int			page_queue;
853 	u8			status;
854 	u8			token;
855 	u64			ts1;
856 	u64			ts2;
857 	u16			op;
858 	bool			polling;
859 	/* Track the max comp handlers */
860 	refcount_t              refcnt;
861 };
862 
863 enum phy_port_state {
864 	MLX5_AAA_111
865 };
866 
867 struct mlx5_hca_vport_context {
868 	u32			field_select;
869 	bool			sm_virt_aware;
870 	bool			has_smi;
871 	bool			has_raw;
872 	enum port_state_policy	policy;
873 	enum phy_port_state	phys_state;
874 	enum ib_port_state	vport_state;
875 	u8			port_physical_state;
876 	u64			sys_image_guid;
877 	u64			port_guid;
878 	u64			node_guid;
879 	u32			cap_mask1;
880 	u32			cap_mask1_perm;
881 	u16			cap_mask2;
882 	u16			cap_mask2_perm;
883 	u16			lid;
884 	u8			init_type_reply; /* bitmask: see ib spec 14.2.5.6 InitTypeReply */
885 	u8			lmc;
886 	u8			subnet_timeout;
887 	u16			sm_lid;
888 	u8			sm_sl;
889 	u16			qkey_violation_counter;
890 	u16			pkey_violation_counter;
891 	bool			grh_required;
892 };
893 
894 #define STRUCT_FIELD(header, field) \
895 	.struct_offset_bytes = offsetof(struct ib_unpacked_ ## header, field),      \
896 	.struct_size_bytes   = sizeof((struct ib_unpacked_ ## header *)0)->field
897 
898 extern struct dentry *mlx5_debugfs_root;
899 
900 static inline u16 fw_rev_maj(struct mlx5_core_dev *dev)
901 {
902 	return ioread32be(&dev->iseg->fw_rev) & 0xffff;
903 }
904 
905 static inline u16 fw_rev_min(struct mlx5_core_dev *dev)
906 {
907 	return ioread32be(&dev->iseg->fw_rev) >> 16;
908 }
909 
910 static inline u16 fw_rev_sub(struct mlx5_core_dev *dev)
911 {
912 	return ioread32be(&dev->iseg->cmdif_rev_fw_sub) & 0xffff;
913 }
914 
915 static inline u32 mlx5_base_mkey(const u32 key)
916 {
917 	return key & 0xffffff00u;
918 }
919 
920 static inline u32 wq_get_byte_sz(u8 log_sz, u8 log_stride)
921 {
922 	return ((u32)1 << log_sz) << log_stride;
923 }
924 
925 static inline void mlx5_init_fbc_offset(struct mlx5_buf_list *frags,
926 					u8 log_stride, u8 log_sz,
927 					u16 strides_offset,
928 					struct mlx5_frag_buf_ctrl *fbc)
929 {
930 	fbc->frags      = frags;
931 	fbc->log_stride = log_stride;
932 	fbc->log_sz     = log_sz;
933 	fbc->sz_m1	= (1 << fbc->log_sz) - 1;
934 	fbc->log_frag_strides = PAGE_SHIFT - fbc->log_stride;
935 	fbc->frag_sz_m1	= (1 << fbc->log_frag_strides) - 1;
936 	fbc->strides_offset = strides_offset;
937 }
938 
939 static inline void mlx5_init_fbc(struct mlx5_buf_list *frags,
940 				 u8 log_stride, u8 log_sz,
941 				 struct mlx5_frag_buf_ctrl *fbc)
942 {
943 	mlx5_init_fbc_offset(frags, log_stride, log_sz, 0, fbc);
944 }
945 
946 static inline void *mlx5_frag_buf_get_wqe(struct mlx5_frag_buf_ctrl *fbc,
947 					  u32 ix)
948 {
949 	unsigned int frag;
950 
951 	ix  += fbc->strides_offset;
952 	frag = ix >> fbc->log_frag_strides;
953 
954 	return fbc->frags[frag].buf + ((fbc->frag_sz_m1 & ix) << fbc->log_stride);
955 }
956 
957 static inline u32
958 mlx5_frag_buf_get_idx_last_contig_stride(struct mlx5_frag_buf_ctrl *fbc, u32 ix)
959 {
960 	u32 last_frag_stride_idx = (ix + fbc->strides_offset) | fbc->frag_sz_m1;
961 
962 	return min_t(u32, last_frag_stride_idx - fbc->strides_offset, fbc->sz_m1);
963 }
964 
965 enum {
966 	CMD_ALLOWED_OPCODE_ALL,
967 };
968 
969 void mlx5_cmd_use_events(struct mlx5_core_dev *dev);
970 void mlx5_cmd_use_polling(struct mlx5_core_dev *dev);
971 void mlx5_cmd_allowed_opcode(struct mlx5_core_dev *dev, u16 opcode);
972 
973 struct mlx5_async_ctx {
974 	struct mlx5_core_dev *dev;
975 	atomic_t num_inflight;
976 	struct completion inflight_done;
977 };
978 
979 struct mlx5_async_work;
980 
981 typedef void (*mlx5_async_cbk_t)(int status, struct mlx5_async_work *context);
982 
983 struct mlx5_async_work {
984 	struct mlx5_async_ctx *ctx;
985 	mlx5_async_cbk_t user_callback;
986 	u16 opcode; /* cmd opcode */
987 	u16 op_mod; /* cmd op_mod */
988 	void *out; /* pointer to the cmd output buffer */
989 };
990 
991 void mlx5_cmd_init_async_ctx(struct mlx5_core_dev *dev,
992 			     struct mlx5_async_ctx *ctx);
993 void mlx5_cmd_cleanup_async_ctx(struct mlx5_async_ctx *ctx);
994 int mlx5_cmd_exec_cb(struct mlx5_async_ctx *ctx, void *in, int in_size,
995 		     void *out, int out_size, mlx5_async_cbk_t callback,
996 		     struct mlx5_async_work *work);
997 void mlx5_cmd_out_err(struct mlx5_core_dev *dev, u16 opcode, u16 op_mod, void *out);
998 int mlx5_cmd_do(struct mlx5_core_dev *dev, void *in, int in_size, void *out, int out_size);
999 int mlx5_cmd_check(struct mlx5_core_dev *dev, int err, void *in, void *out);
1000 int mlx5_cmd_exec(struct mlx5_core_dev *dev, void *in, int in_size, void *out,
1001 		  int out_size);
1002 
1003 #define mlx5_cmd_exec_inout(dev, ifc_cmd, in, out)                             \
1004 	({                                                                     \
1005 		mlx5_cmd_exec(dev, in, MLX5_ST_SZ_BYTES(ifc_cmd##_in), out,    \
1006 			      MLX5_ST_SZ_BYTES(ifc_cmd##_out));                \
1007 	})
1008 
1009 #define mlx5_cmd_exec_in(dev, ifc_cmd, in)                                     \
1010 	({                                                                     \
1011 		u32 _out[MLX5_ST_SZ_DW(ifc_cmd##_out)] = {};                   \
1012 		mlx5_cmd_exec_inout(dev, ifc_cmd, in, _out);                   \
1013 	})
1014 
1015 int mlx5_cmd_exec_polling(struct mlx5_core_dev *dev, void *in, int in_size,
1016 			  void *out, int out_size);
1017 bool mlx5_cmd_is_down(struct mlx5_core_dev *dev);
1018 
1019 void mlx5_core_uplink_netdev_set(struct mlx5_core_dev *mdev, struct net_device *netdev);
1020 void mlx5_core_uplink_netdev_event_replay(struct mlx5_core_dev *mdev);
1021 
1022 int mlx5_core_get_caps(struct mlx5_core_dev *dev, enum mlx5_cap_type cap_type);
1023 void mlx5_health_cleanup(struct mlx5_core_dev *dev);
1024 int mlx5_health_init(struct mlx5_core_dev *dev);
1025 void mlx5_start_health_poll(struct mlx5_core_dev *dev);
1026 void mlx5_stop_health_poll(struct mlx5_core_dev *dev, bool disable_health);
1027 void mlx5_start_health_fw_log_up(struct mlx5_core_dev *dev);
1028 void mlx5_drain_health_wq(struct mlx5_core_dev *dev);
1029 void mlx5_trigger_health_work(struct mlx5_core_dev *dev);
1030 int mlx5_frag_buf_alloc_node(struct mlx5_core_dev *dev, int size,
1031 			     struct mlx5_frag_buf *buf, int node);
1032 void mlx5_frag_buf_free(struct mlx5_core_dev *dev, struct mlx5_frag_buf *buf);
1033 struct mlx5_cmd_mailbox *mlx5_alloc_cmd_mailbox_chain(struct mlx5_core_dev *dev,
1034 						      gfp_t flags, int npages);
1035 void mlx5_free_cmd_mailbox_chain(struct mlx5_core_dev *dev,
1036 				 struct mlx5_cmd_mailbox *head);
1037 int mlx5_core_create_mkey(struct mlx5_core_dev *dev, u32 *mkey, u32 *in,
1038 			  int inlen);
1039 int mlx5_core_destroy_mkey(struct mlx5_core_dev *dev, u32 mkey);
1040 int mlx5_core_query_mkey(struct mlx5_core_dev *dev, u32 mkey, u32 *out,
1041 			 int outlen);
1042 int mlx5_core_alloc_pd(struct mlx5_core_dev *dev, u32 *pdn);
1043 int mlx5_core_dealloc_pd(struct mlx5_core_dev *dev, u32 pdn);
1044 int mlx5_pagealloc_init(struct mlx5_core_dev *dev);
1045 void mlx5_pagealloc_cleanup(struct mlx5_core_dev *dev);
1046 void mlx5_pagealloc_start(struct mlx5_core_dev *dev);
1047 void mlx5_pagealloc_stop(struct mlx5_core_dev *dev);
1048 void mlx5_pages_debugfs_init(struct mlx5_core_dev *dev);
1049 void mlx5_pages_debugfs_cleanup(struct mlx5_core_dev *dev);
1050 void mlx5_core_req_pages_handler(struct mlx5_core_dev *dev, u16 func_id,
1051 				 s32 npages, bool ec_function);
1052 int mlx5_satisfy_startup_pages(struct mlx5_core_dev *dev, int boot);
1053 int mlx5_reclaim_startup_pages(struct mlx5_core_dev *dev);
1054 void mlx5_register_debugfs(void);
1055 void mlx5_unregister_debugfs(void);
1056 
1057 void mlx5_fill_page_frag_array_perm(struct mlx5_frag_buf *buf, __be64 *pas, u8 perm);
1058 void mlx5_fill_page_frag_array(struct mlx5_frag_buf *frag_buf, __be64 *pas);
1059 int mlx5_vector2eqn(struct mlx5_core_dev *dev, int vector, int *eqn);
1060 int mlx5_core_attach_mcg(struct mlx5_core_dev *dev, union ib_gid *mgid, u32 qpn);
1061 int mlx5_core_detach_mcg(struct mlx5_core_dev *dev, union ib_gid *mgid, u32 qpn);
1062 
1063 struct dentry *mlx5_debugfs_get_dev_root(struct mlx5_core_dev *dev);
1064 void mlx5_qp_debugfs_init(struct mlx5_core_dev *dev);
1065 void mlx5_qp_debugfs_cleanup(struct mlx5_core_dev *dev);
1066 int mlx5_access_reg(struct mlx5_core_dev *dev, void *data_in, int size_in,
1067 		    void *data_out, int size_out, u16 reg_id, int arg,
1068 		    int write, bool verbose);
1069 int mlx5_core_access_reg(struct mlx5_core_dev *dev, void *data_in,
1070 			 int size_in, void *data_out, int size_out,
1071 			 u16 reg_num, int arg, int write);
1072 
1073 int mlx5_db_alloc_node(struct mlx5_core_dev *dev, struct mlx5_db *db,
1074 		       int node);
1075 
1076 static inline int mlx5_db_alloc(struct mlx5_core_dev *dev, struct mlx5_db *db)
1077 {
1078 	return mlx5_db_alloc_node(dev, db, dev->priv.numa_node);
1079 }
1080 
1081 void mlx5_db_free(struct mlx5_core_dev *dev, struct mlx5_db *db);
1082 
1083 const char *mlx5_command_str(int command);
1084 void mlx5_cmdif_debugfs_init(struct mlx5_core_dev *dev);
1085 void mlx5_cmdif_debugfs_cleanup(struct mlx5_core_dev *dev);
1086 int mlx5_core_create_psv(struct mlx5_core_dev *dev, u32 pdn,
1087 			 int npsvs, u32 *sig_index);
1088 int mlx5_core_destroy_psv(struct mlx5_core_dev *dev, int psv_num);
1089 __be32 mlx5_core_get_terminate_scatter_list_mkey(struct mlx5_core_dev *dev);
1090 void mlx5_core_put_rsc(struct mlx5_core_rsc_common *common);
1091 int mlx5_query_odp_caps(struct mlx5_core_dev *dev,
1092 			struct mlx5_odp_caps *odp_caps);
1093 
1094 int mlx5_init_rl_table(struct mlx5_core_dev *dev);
1095 void mlx5_cleanup_rl_table(struct mlx5_core_dev *dev);
1096 int mlx5_rl_add_rate(struct mlx5_core_dev *dev, u16 *index,
1097 		     struct mlx5_rate_limit *rl);
1098 void mlx5_rl_remove_rate(struct mlx5_core_dev *dev, struct mlx5_rate_limit *rl);
1099 bool mlx5_rl_is_in_range(struct mlx5_core_dev *dev, u32 rate);
1100 int mlx5_rl_add_rate_raw(struct mlx5_core_dev *dev, void *rl_in, u16 uid,
1101 			 bool dedicated_entry, u16 *index);
1102 void mlx5_rl_remove_rate_raw(struct mlx5_core_dev *dev, u16 index);
1103 bool mlx5_rl_are_equal(struct mlx5_rate_limit *rl_0,
1104 		       struct mlx5_rate_limit *rl_1);
1105 int mlx5_alloc_bfreg(struct mlx5_core_dev *mdev, struct mlx5_sq_bfreg *bfreg,
1106 		     bool map_wc, bool fast_path);
1107 void mlx5_free_bfreg(struct mlx5_core_dev *mdev, struct mlx5_sq_bfreg *bfreg);
1108 
1109 unsigned int mlx5_comp_vectors_count(struct mlx5_core_dev *dev);
1110 struct cpumask *
1111 mlx5_comp_irq_get_affinity_mask(struct mlx5_core_dev *dev, int vector);
1112 unsigned int mlx5_core_reserved_gids_count(struct mlx5_core_dev *dev);
1113 int mlx5_core_roce_gid_set(struct mlx5_core_dev *dev, unsigned int index,
1114 			   u8 roce_version, u8 roce_l3_type, const u8 *gid,
1115 			   const u8 *mac, bool vlan, u16 vlan_id, u8 port_num);
1116 
1117 static inline u32 mlx5_mkey_to_idx(u32 mkey)
1118 {
1119 	return mkey >> 8;
1120 }
1121 
1122 static inline u32 mlx5_idx_to_mkey(u32 mkey_idx)
1123 {
1124 	return mkey_idx << 8;
1125 }
1126 
1127 static inline u8 mlx5_mkey_variant(u32 mkey)
1128 {
1129 	return mkey & 0xff;
1130 }
1131 
1132 /* Async-atomic event notifier used by mlx5 core to forward FW
1133  * evetns received from event queue to mlx5 consumers.
1134  * Optimise event queue dipatching.
1135  */
1136 int mlx5_notifier_register(struct mlx5_core_dev *dev, struct notifier_block *nb);
1137 int mlx5_notifier_unregister(struct mlx5_core_dev *dev, struct notifier_block *nb);
1138 
1139 /* Async-atomic event notifier used for forwarding
1140  * evetns from the event queue into the to mlx5 events dispatcher,
1141  * eswitch, clock and others.
1142  */
1143 int mlx5_eq_notifier_register(struct mlx5_core_dev *dev, struct mlx5_nb *nb);
1144 int mlx5_eq_notifier_unregister(struct mlx5_core_dev *dev, struct mlx5_nb *nb);
1145 
1146 /* Blocking event notifier used to forward SW events, used for slow path */
1147 int mlx5_blocking_notifier_register(struct mlx5_core_dev *dev, struct notifier_block *nb);
1148 int mlx5_blocking_notifier_unregister(struct mlx5_core_dev *dev, struct notifier_block *nb);
1149 int mlx5_blocking_notifier_call_chain(struct mlx5_core_dev *dev, unsigned int event,
1150 				      void *data);
1151 
1152 int mlx5_core_query_vendor_id(struct mlx5_core_dev *mdev, u32 *vendor_id);
1153 
1154 int mlx5_cmd_create_vport_lag(struct mlx5_core_dev *dev);
1155 int mlx5_cmd_destroy_vport_lag(struct mlx5_core_dev *dev);
1156 bool mlx5_lag_is_roce(struct mlx5_core_dev *dev);
1157 bool mlx5_lag_is_sriov(struct mlx5_core_dev *dev);
1158 bool mlx5_lag_is_active(struct mlx5_core_dev *dev);
1159 bool mlx5_lag_mode_is_hash(struct mlx5_core_dev *dev);
1160 bool mlx5_lag_is_master(struct mlx5_core_dev *dev);
1161 bool mlx5_lag_is_shared_fdb(struct mlx5_core_dev *dev);
1162 bool mlx5_lag_is_mpesw(struct mlx5_core_dev *dev);
1163 struct net_device *mlx5_lag_get_roce_netdev(struct mlx5_core_dev *dev);
1164 u8 mlx5_lag_get_slave_port(struct mlx5_core_dev *dev,
1165 			   struct net_device *slave);
1166 int mlx5_lag_query_cong_counters(struct mlx5_core_dev *dev,
1167 				 u64 *values,
1168 				 int num_counters,
1169 				 size_t *offsets);
1170 struct mlx5_core_dev *mlx5_lag_get_next_peer_mdev(struct mlx5_core_dev *dev, int *i);
1171 
1172 #define mlx5_lag_for_each_peer_mdev(dev, peer, i)				\
1173 	for (i = 0, peer = mlx5_lag_get_next_peer_mdev(dev, &i);		\
1174 	     peer;								\
1175 	     peer = mlx5_lag_get_next_peer_mdev(dev, &i))
1176 
1177 u8 mlx5_lag_get_num_ports(struct mlx5_core_dev *dev);
1178 struct mlx5_uars_page *mlx5_get_uars_page(struct mlx5_core_dev *mdev);
1179 void mlx5_put_uars_page(struct mlx5_core_dev *mdev, struct mlx5_uars_page *up);
1180 int mlx5_dm_sw_icm_alloc(struct mlx5_core_dev *dev, enum mlx5_sw_icm_type type,
1181 			 u64 length, u32 log_alignment, u16 uid,
1182 			 phys_addr_t *addr, u32 *obj_id);
1183 int mlx5_dm_sw_icm_dealloc(struct mlx5_core_dev *dev, enum mlx5_sw_icm_type type,
1184 			   u64 length, u16 uid, phys_addr_t addr, u32 obj_id);
1185 
1186 struct mlx5_core_dev *mlx5_vf_get_core_dev(struct pci_dev *pdev);
1187 void mlx5_vf_put_core_dev(struct mlx5_core_dev *mdev);
1188 
1189 int mlx5_sriov_blocking_notifier_register(struct mlx5_core_dev *mdev,
1190 					  int vf_id,
1191 					  struct notifier_block *nb);
1192 void mlx5_sriov_blocking_notifier_unregister(struct mlx5_core_dev *mdev,
1193 					     int vf_id,
1194 					     struct notifier_block *nb);
1195 #ifdef CONFIG_MLX5_CORE_IPOIB
1196 struct net_device *mlx5_rdma_netdev_alloc(struct mlx5_core_dev *mdev,
1197 					  struct ib_device *ibdev,
1198 					  const char *name,
1199 					  void (*setup)(struct net_device *));
1200 #endif /* CONFIG_MLX5_CORE_IPOIB */
1201 int mlx5_rdma_rn_get_params(struct mlx5_core_dev *mdev,
1202 			    struct ib_device *device,
1203 			    struct rdma_netdev_alloc_params *params);
1204 
1205 enum {
1206 	MLX5_PCI_DEV_IS_VF		= 1 << 0,
1207 };
1208 
1209 static inline bool mlx5_core_is_pf(const struct mlx5_core_dev *dev)
1210 {
1211 	return dev->coredev_type == MLX5_COREDEV_PF;
1212 }
1213 
1214 static inline bool mlx5_core_is_vf(const struct mlx5_core_dev *dev)
1215 {
1216 	return dev->coredev_type == MLX5_COREDEV_VF;
1217 }
1218 
1219 static inline bool mlx5_core_is_ecpf(const struct mlx5_core_dev *dev)
1220 {
1221 	return dev->caps.embedded_cpu;
1222 }
1223 
1224 static inline bool
1225 mlx5_core_is_ecpf_esw_manager(const struct mlx5_core_dev *dev)
1226 {
1227 	return dev->caps.embedded_cpu && MLX5_CAP_GEN(dev, eswitch_manager);
1228 }
1229 
1230 static inline bool mlx5_ecpf_vport_exists(const struct mlx5_core_dev *dev)
1231 {
1232 	return mlx5_core_is_pf(dev) && MLX5_CAP_ESW(dev, ecpf_vport_exists);
1233 }
1234 
1235 static inline u16 mlx5_core_max_vfs(const struct mlx5_core_dev *dev)
1236 {
1237 	return dev->priv.sriov.max_vfs;
1238 }
1239 
1240 static inline int mlx5_lag_is_lacp_owner(struct mlx5_core_dev *dev)
1241 {
1242 	/* LACP owner conditions:
1243 	 * 1) Function is physical.
1244 	 * 2) LAG is supported by FW.
1245 	 * 3) LAG is managed by driver (currently the only option).
1246 	 */
1247 	return  MLX5_CAP_GEN(dev, vport_group_manager) &&
1248 		   (MLX5_CAP_GEN(dev, num_lag_ports) > 1) &&
1249 		    MLX5_CAP_GEN(dev, lag_master);
1250 }
1251 
1252 static inline u16 mlx5_core_max_ec_vfs(const struct mlx5_core_dev *dev)
1253 {
1254 	return dev->priv.sriov.max_ec_vfs;
1255 }
1256 
1257 static inline int mlx5_get_gid_table_len(u16 param)
1258 {
1259 	if (param > 4) {
1260 		pr_warn("gid table length is zero\n");
1261 		return 0;
1262 	}
1263 
1264 	return 8 * (1 << param);
1265 }
1266 
1267 static inline bool mlx5_rl_is_supported(struct mlx5_core_dev *dev)
1268 {
1269 	return !!(dev->priv.rl_table.max_size);
1270 }
1271 
1272 static inline int mlx5_core_is_mp_slave(struct mlx5_core_dev *dev)
1273 {
1274 	return MLX5_CAP_GEN(dev, affiliate_nic_vport_criteria) &&
1275 	       MLX5_CAP_GEN(dev, num_vhca_ports) <= 1;
1276 }
1277 
1278 static inline int mlx5_core_is_mp_master(struct mlx5_core_dev *dev)
1279 {
1280 	return MLX5_CAP_GEN(dev, num_vhca_ports) > 1;
1281 }
1282 
1283 static inline int mlx5_core_mp_enabled(struct mlx5_core_dev *dev)
1284 {
1285 	return mlx5_core_is_mp_slave(dev) ||
1286 	       mlx5_core_is_mp_master(dev);
1287 }
1288 
1289 static inline int mlx5_core_native_port_num(struct mlx5_core_dev *dev)
1290 {
1291 	if (!mlx5_core_mp_enabled(dev))
1292 		return 1;
1293 
1294 	return MLX5_CAP_GEN(dev, native_port_num);
1295 }
1296 
1297 static inline int mlx5_get_dev_index(struct mlx5_core_dev *dev)
1298 {
1299 	int idx = MLX5_CAP_GEN(dev, native_port_num);
1300 
1301 	if (idx >= 1 && idx <= MLX5_MAX_PORTS)
1302 		return idx - 1;
1303 	else
1304 		return PCI_FUNC(dev->pdev->devfn);
1305 }
1306 
1307 enum {
1308 	MLX5_TRIGGERED_CMD_COMP = (u64)1 << 32,
1309 };
1310 
1311 bool mlx5_is_roce_on(struct mlx5_core_dev *dev);
1312 
1313 static inline bool mlx5_get_roce_state(struct mlx5_core_dev *dev)
1314 {
1315 	if (MLX5_CAP_GEN(dev, roce_rw_supported))
1316 		return MLX5_CAP_GEN(dev, roce);
1317 
1318 	/* If RoCE cap is read-only in FW, get RoCE state from devlink
1319 	 * in order to support RoCE enable/disable feature
1320 	 */
1321 	return mlx5_is_roce_on(dev);
1322 }
1323 
1324 enum {
1325 	MLX5_OCTWORD = 16,
1326 };
1327 
1328 struct msi_map mlx5_msix_alloc(struct mlx5_core_dev *dev,
1329 			       irqreturn_t (*handler)(int, void *),
1330 			       const struct irq_affinity_desc *affdesc,
1331 			       const char *name);
1332 void mlx5_msix_free(struct mlx5_core_dev *dev, struct msi_map map);
1333 
1334 #endif /* MLX5_DRIVER_H */
1335