xref: /linux/include/linux/mlx5/driver.h (revision d642ef71) 
1 /*
2  * Copyright (c) 2013-2015, Mellanox Technologies. All rights reserved.
3  *
4  * This software is available to you under a choice of one of two
5  * licenses.  You may choose to be licensed under the terms of the GNU
6  * General Public License (GPL) Version 2, available from the file
7  * COPYING in the main directory of this source tree, or the
8  * OpenIB.org BSD license below:
9  *
10  *     Redistribution and use in source and binary forms, with or
11  *     without modification, are permitted provided that the following
12  *     conditions are met:
13  *
14  *      - Redistributions of source code must retain the above
15  *        copyright notice, this list of conditions and the following
16  *        disclaimer.
17  *
18  *      - Redistributions in binary form must reproduce the above
19  *        copyright notice, this list of conditions and the following
20  *        disclaimer in the documentation and/or other materials
21  *        provided with the distribution.
22  *
23  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
24  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
25  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
26  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
27  * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
28  * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
29  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
30  * SOFTWARE.
31  */
32 
33 #ifndef MLX5_DRIVER_H
34 #define MLX5_DRIVER_H
35 
36 #include <linux/kernel.h>
37 #include <linux/completion.h>
38 #include <linux/pci.h>
39 #include <linux/irq.h>
40 #include <linux/spinlock_types.h>
41 #include <linux/semaphore.h>
42 #include <linux/slab.h>
43 #include <linux/vmalloc.h>
44 #include <linux/xarray.h>
45 #include <linux/workqueue.h>
46 #include <linux/mempool.h>
47 #include <linux/interrupt.h>
48 #include <linux/idr.h>
49 #include <linux/notifier.h>
50 #include <linux/refcount.h>
51 #include <linux/auxiliary_bus.h>
52 #include <linux/mutex.h>
53 
54 #include <linux/mlx5/device.h>
55 #include <linux/mlx5/doorbell.h>
56 #include <linux/mlx5/eq.h>
57 #include <linux/timecounter.h>
58 #include <linux/ptp_clock_kernel.h>
59 #include <net/devlink.h>
60 
61 #define MLX5_ADEV_NAME "mlx5_core"
62 
63 #define MLX5_IRQ_EQ_CTRL (U8_MAX)
64 
65 enum {
66 	MLX5_BOARD_ID_LEN = 64,
67 };
68 
69 enum {
70 	MLX5_CMD_WQ_MAX_NAME	= 32,
71 };
72 
73 enum {
74 	CMD_OWNER_SW		= 0x0,
75 	CMD_OWNER_HW		= 0x1,
76 	CMD_STATUS_SUCCESS	= 0,
77 };
78 
79 enum mlx5_sqp_t {
80 	MLX5_SQP_SMI		= 0,
81 	MLX5_SQP_GSI		= 1,
82 	MLX5_SQP_IEEE_1588	= 2,
83 	MLX5_SQP_SNIFFER	= 3,
84 	MLX5_SQP_SYNC_UMR	= 4,
85 };
86 
87 enum {
88 	MLX5_MAX_PORTS	= 4,
89 };
90 
91 enum {
92 	MLX5_ATOMIC_MODE_OFFSET = 16,
93 	MLX5_ATOMIC_MODE_IB_COMP = 1,
94 	MLX5_ATOMIC_MODE_CX = 2,
95 	MLX5_ATOMIC_MODE_8B = 3,
96 	MLX5_ATOMIC_MODE_16B = 4,
97 	MLX5_ATOMIC_MODE_32B = 5,
98 	MLX5_ATOMIC_MODE_64B = 6,
99 	MLX5_ATOMIC_MODE_128B = 7,
100 	MLX5_ATOMIC_MODE_256B = 8,
101 };
102 
103 enum {
104 	MLX5_REG_SBPR            = 0xb001,
105 	MLX5_REG_SBCM            = 0xb002,
106 	MLX5_REG_QPTS            = 0x4002,
107 	MLX5_REG_QETCR		 = 0x4005,
108 	MLX5_REG_QTCT		 = 0x400a,
109 	MLX5_REG_QPDPM           = 0x4013,
110 	MLX5_REG_QCAM            = 0x4019,
111 	MLX5_REG_DCBX_PARAM      = 0x4020,
112 	MLX5_REG_DCBX_APP        = 0x4021,
113 	MLX5_REG_FPGA_CAP	 = 0x4022,
114 	MLX5_REG_FPGA_CTRL	 = 0x4023,
115 	MLX5_REG_FPGA_ACCESS_REG = 0x4024,
116 	MLX5_REG_CORE_DUMP	 = 0x402e,
117 	MLX5_REG_PCAP		 = 0x5001,
118 	MLX5_REG_PMTU		 = 0x5003,
119 	MLX5_REG_PTYS		 = 0x5004,
120 	MLX5_REG_PAOS		 = 0x5006,
121 	MLX5_REG_PFCC            = 0x5007,
122 	MLX5_REG_PPCNT		 = 0x5008,
123 	MLX5_REG_PPTB            = 0x500b,
124 	MLX5_REG_PBMC            = 0x500c,
125 	MLX5_REG_PMAOS		 = 0x5012,
126 	MLX5_REG_PUDE		 = 0x5009,
127 	MLX5_REG_PMPE		 = 0x5010,
128 	MLX5_REG_PELC		 = 0x500e,
129 	MLX5_REG_PVLC		 = 0x500f,
130 	MLX5_REG_PCMR		 = 0x5041,
131 	MLX5_REG_PDDR		 = 0x5031,
132 	MLX5_REG_PMLP		 = 0x5002,
133 	MLX5_REG_PPLM		 = 0x5023,
134 	MLX5_REG_PCAM		 = 0x507f,
135 	MLX5_REG_NODE_DESC	 = 0x6001,
136 	MLX5_REG_HOST_ENDIANNESS = 0x7004,
137 	MLX5_REG_MTCAP		 = 0x9009,
138 	MLX5_REG_MTMP		 = 0x900A,
139 	MLX5_REG_MCIA		 = 0x9014,
140 	MLX5_REG_MFRL		 = 0x9028,
141 	MLX5_REG_MLCR		 = 0x902b,
142 	MLX5_REG_MRTC		 = 0x902d,
143 	MLX5_REG_MTRC_CAP	 = 0x9040,
144 	MLX5_REG_MTRC_CONF	 = 0x9041,
145 	MLX5_REG_MTRC_STDB	 = 0x9042,
146 	MLX5_REG_MTRC_CTRL	 = 0x9043,
147 	MLX5_REG_MPEIN		 = 0x9050,
148 	MLX5_REG_MPCNT		 = 0x9051,
149 	MLX5_REG_MTPPS		 = 0x9053,
150 	MLX5_REG_MTPPSE		 = 0x9054,
151 	MLX5_REG_MTUTC		 = 0x9055,
152 	MLX5_REG_MPEGC		 = 0x9056,
153 	MLX5_REG_MCQS		 = 0x9060,
154 	MLX5_REG_MCQI		 = 0x9061,
155 	MLX5_REG_MCC		 = 0x9062,
156 	MLX5_REG_MCDA		 = 0x9063,
157 	MLX5_REG_MCAM		 = 0x907f,
158 	MLX5_REG_MSECQ		 = 0x9155,
159 	MLX5_REG_MSEES		 = 0x9156,
160 	MLX5_REG_MIRC		 = 0x9162,
161 	MLX5_REG_SBCAM		 = 0xB01F,
162 	MLX5_REG_RESOURCE_DUMP   = 0xC000,
163 	MLX5_REG_DTOR            = 0xC00E,
164 };
165 
166 enum mlx5_qpts_trust_state {
167 	MLX5_QPTS_TRUST_PCP  = 1,
168 	MLX5_QPTS_TRUST_DSCP = 2,
169 };
170 
171 enum mlx5_dcbx_oper_mode {
172 	MLX5E_DCBX_PARAM_VER_OPER_HOST  = 0x0,
173 	MLX5E_DCBX_PARAM_VER_OPER_AUTO  = 0x3,
174 };
175 
176 enum {
177 	MLX5_ATOMIC_OPS_CMP_SWAP	= 1 << 0,
178 	MLX5_ATOMIC_OPS_FETCH_ADD	= 1 << 1,
179 	MLX5_ATOMIC_OPS_EXTENDED_CMP_SWAP = 1 << 2,
180 	MLX5_ATOMIC_OPS_EXTENDED_FETCH_ADD = 1 << 3,
181 };
182 
183 enum mlx5_page_fault_resume_flags {
184 	MLX5_PAGE_FAULT_RESUME_REQUESTOR = 1 << 0,
185 	MLX5_PAGE_FAULT_RESUME_WRITE	 = 1 << 1,
186 	MLX5_PAGE_FAULT_RESUME_RDMA	 = 1 << 2,
187 	MLX5_PAGE_FAULT_RESUME_ERROR	 = 1 << 7,
188 };
189 
190 enum dbg_rsc_type {
191 	MLX5_DBG_RSC_QP,
192 	MLX5_DBG_RSC_EQ,
193 	MLX5_DBG_RSC_CQ,
194 };
195 
196 enum port_state_policy {
197 	MLX5_POLICY_DOWN	= 0,
198 	MLX5_POLICY_UP		= 1,
199 	MLX5_POLICY_FOLLOW	= 2,
200 	MLX5_POLICY_INVALID	= 0xffffffff
201 };
202 
203 enum mlx5_coredev_type {
204 	MLX5_COREDEV_PF,
205 	MLX5_COREDEV_VF,
206 	MLX5_COREDEV_SF,
207 };
208 
209 struct mlx5_field_desc {
210 	int			i;
211 };
212 
213 struct mlx5_rsc_debug {
214 	struct mlx5_core_dev   *dev;
215 	void		       *object;
216 	enum dbg_rsc_type	type;
217 	struct dentry	       *root;
218 	struct mlx5_field_desc	fields[];
219 };
220 
221 enum mlx5_dev_event {
222 	MLX5_DEV_EVENT_SYS_ERROR = 128, /* 0 - 127 are FW events */
223 	MLX5_DEV_EVENT_PORT_AFFINITY = 129,
224 	MLX5_DEV_EVENT_MULTIPORT_ESW = 130,
225 };
226 
227 enum mlx5_port_status {
228 	MLX5_PORT_UP        = 1,
229 	MLX5_PORT_DOWN      = 2,
230 };
231 
232 enum mlx5_cmdif_state {
233 	MLX5_CMDIF_STATE_UNINITIALIZED,
234 	MLX5_CMDIF_STATE_UP,
235 	MLX5_CMDIF_STATE_DOWN,
236 };
237 
238 struct mlx5_cmd_first {
239 	__be32		data[4];
240 };
241 
242 struct mlx5_cmd_msg {
243 	struct list_head		list;
244 	struct cmd_msg_cache	       *parent;
245 	u32				len;
246 	struct mlx5_cmd_first		first;
247 	struct mlx5_cmd_mailbox	       *next;
248 };
249 
250 struct mlx5_cmd_debug {
251 	struct dentry	       *dbg_root;
252 	void		       *in_msg;
253 	void		       *out_msg;
254 	u8			status;
255 	u16			inlen;
256 	u16			outlen;
257 };
258 
259 struct cmd_msg_cache {
260 	/* protect block chain allocations
261 	 */
262 	spinlock_t		lock;
263 	struct list_head	head;
264 	unsigned int		max_inbox_size;
265 	unsigned int		num_ent;
266 };
267 
268 enum {
269 	MLX5_NUM_COMMAND_CACHES = 5,
270 };
271 
272 struct mlx5_cmd_stats {
273 	u64		sum;
274 	u64		n;
275 	/* number of times command failed */
276 	u64		failed;
277 	/* number of times command failed on bad status returned by FW */
278 	u64		failed_mbox_status;
279 	/* last command failed returned errno */
280 	u32		last_failed_errno;
281 	/* last bad status returned by FW */
282 	u8		last_failed_mbox_status;
283 	/* last command failed syndrome returned by FW */
284 	u32		last_failed_syndrome;
285 	struct dentry  *root;
286 	/* protect command average calculations */
287 	spinlock_t	lock;
288 };
289 
290 struct mlx5_cmd {
291 	struct mlx5_nb    nb;
292 
293 	/* members which needs to be queried or reinitialized each reload */
294 	struct {
295 		u16		cmdif_rev;
296 		u8		log_sz;
297 		u8		log_stride;
298 		int		max_reg_cmds;
299 		unsigned long	bitmask;
300 		struct semaphore sem;
301 		struct semaphore pages_sem;
302 		struct semaphore throttle_sem;
303 	} vars;
304 	enum mlx5_cmdif_state	state;
305 	void	       *cmd_alloc_buf;
306 	dma_addr_t	alloc_dma;
307 	int		alloc_size;
308 	void	       *cmd_buf;
309 	dma_addr_t	dma;
310 
311 	/* protect command queue allocations
312 	 */
313 	spinlock_t	alloc_lock;
314 
315 	/* protect token allocations
316 	 */
317 	spinlock_t	token_lock;
318 	u8		token;
319 	char		wq_name[MLX5_CMD_WQ_MAX_NAME];
320 	struct workqueue_struct *wq;
321 	int	mode;
322 	u16     allowed_opcode;
323 	struct mlx5_cmd_work_ent *ent_arr[MLX5_MAX_COMMANDS];
324 	struct dma_pool *pool;
325 	struct mlx5_cmd_debug dbg;
326 	struct cmd_msg_cache cache[MLX5_NUM_COMMAND_CACHES];
327 	int checksum_disabled;
328 	struct xarray stats;
329 };
330 
331 struct mlx5_cmd_mailbox {
332 	void	       *buf;
333 	dma_addr_t	dma;
334 	struct mlx5_cmd_mailbox *next;
335 };
336 
337 struct mlx5_buf_list {
338 	void		       *buf;
339 	dma_addr_t		map;
340 };
341 
342 struct mlx5_frag_buf {
343 	struct mlx5_buf_list	*frags;
344 	int			npages;
345 	int			size;
346 	u8			page_shift;
347 };
348 
349 struct mlx5_frag_buf_ctrl {
350 	struct mlx5_buf_list   *frags;
351 	u32			sz_m1;
352 	u16			frag_sz_m1;
353 	u16			strides_offset;
354 	u8			log_sz;
355 	u8			log_stride;
356 	u8			log_frag_strides;
357 };
358 
359 struct mlx5_core_psv {
360 	u32	psv_idx;
361 	struct psv_layout {
362 		u32	pd;
363 		u16	syndrome;
364 		u16	reserved;
365 		u16	bg;
366 		u16	app_tag;
367 		u32	ref_tag;
368 	} psv;
369 };
370 
371 struct mlx5_core_sig_ctx {
372 	struct mlx5_core_psv	psv_memory;
373 	struct mlx5_core_psv	psv_wire;
374 	struct ib_sig_err       err_item;
375 	bool			sig_status_checked;
376 	bool			sig_err_exists;
377 	u32			sigerr_count;
378 };
379 
380 #define MLX5_24BIT_MASK		((1 << 24) - 1)
381 
382 enum mlx5_res_type {
383 	MLX5_RES_QP	= MLX5_EVENT_QUEUE_TYPE_QP,
384 	MLX5_RES_RQ	= MLX5_EVENT_QUEUE_TYPE_RQ,
385 	MLX5_RES_SQ	= MLX5_EVENT_QUEUE_TYPE_SQ,
386 	MLX5_RES_SRQ	= 3,
387 	MLX5_RES_XSRQ	= 4,
388 	MLX5_RES_XRQ	= 5,
389 };
390 
391 struct mlx5_core_rsc_common {
392 	enum mlx5_res_type	res;
393 	refcount_t		refcount;
394 	struct completion	free;
395 };
396 
397 struct mlx5_uars_page {
398 	void __iomem	       *map;
399 	bool			wc;
400 	u32			index;
401 	struct list_head	list;
402 	unsigned int		bfregs;
403 	unsigned long	       *reg_bitmap; /* for non fast path bf regs */
404 	unsigned long	       *fp_bitmap;
405 	unsigned int		reg_avail;
406 	unsigned int		fp_avail;
407 	struct kref		ref_count;
408 	struct mlx5_core_dev   *mdev;
409 };
410 
411 struct mlx5_bfreg_head {
412 	/* protect blue flame registers allocations */
413 	struct mutex		lock;
414 	struct list_head	list;
415 };
416 
417 struct mlx5_bfreg_data {
418 	struct mlx5_bfreg_head	reg_head;
419 	struct mlx5_bfreg_head	wc_head;
420 };
421 
422 struct mlx5_sq_bfreg {
423 	void __iomem	       *map;
424 	struct mlx5_uars_page  *up;
425 	bool			wc;
426 	u32			index;
427 	unsigned int		offset;
428 };
429 
430 struct mlx5_core_health {
431 	struct health_buffer __iomem   *health;
432 	__be32 __iomem		       *health_counter;
433 	struct timer_list		timer;
434 	u32				prev;
435 	int				miss_counter;
436 	u8				synd;
437 	u32				fatal_error;
438 	u32				crdump_size;
439 	struct workqueue_struct	       *wq;
440 	unsigned long			flags;
441 	struct work_struct		fatal_report_work;
442 	struct work_struct		report_work;
443 	struct devlink_health_reporter *fw_reporter;
444 	struct devlink_health_reporter *fw_fatal_reporter;
445 	struct devlink_health_reporter *vnic_reporter;
446 	struct delayed_work		update_fw_log_ts_work;
447 };
448 
449 enum {
450 	MLX5_PF_NOTIFY_DISABLE_VF,
451 	MLX5_PF_NOTIFY_ENABLE_VF,
452 };
453 
454 struct mlx5_vf_context {
455 	int	enabled;
456 	u64	port_guid;
457 	u64	node_guid;
458 	/* Valid bits are used to validate administrative guid only.
459 	 * Enabled after ndo_set_vf_guid
460 	 */
461 	u8	port_guid_valid:1;
462 	u8	node_guid_valid:1;
463 	enum port_state_policy	policy;
464 	struct blocking_notifier_head notifier;
465 };
466 
467 struct mlx5_core_sriov {
468 	struct mlx5_vf_context	*vfs_ctx;
469 	int			num_vfs;
470 	u16			max_vfs;
471 	u16			max_ec_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_dev;
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 struct mlx5_crypto_dek_priv;
517 
518 struct mlx5_rate_limit {
519 	u32			rate;
520 	u32			max_burst_sz;
521 	u16			typical_pkt_sz;
522 };
523 
524 struct mlx5_rl_entry {
525 	u8 rl_raw[MLX5_ST_SZ_BYTES(set_pp_rate_limit_context)];
526 	u64 refcount;
527 	u16 index;
528 	u16 uid;
529 	u8 dedicated : 1;
530 };
531 
532 struct mlx5_rl_table {
533 	/* protect rate limit table */
534 	struct mutex            rl_lock;
535 	u16                     max_size;
536 	u32                     max_rate;
537 	u32                     min_rate;
538 	struct mlx5_rl_entry   *rl_entry;
539 	u64 refcount;
540 };
541 
542 struct mlx5_core_roce {
543 	struct mlx5_flow_table *ft;
544 	struct mlx5_flow_group *fg;
545 	struct mlx5_flow_handle *allow_rule;
546 };
547 
548 enum {
549 	MLX5_PRIV_FLAGS_DISABLE_IB_ADEV = 1 << 0,
550 	MLX5_PRIV_FLAGS_DISABLE_ALL_ADEV = 1 << 1,
551 	/* Set during device detach to block any further devices
552 	 * creation/deletion on drivers rescan. Unset during device attach.
553 	 */
554 	MLX5_PRIV_FLAGS_DETACH = 1 << 2,
555 };
556 
557 struct mlx5_adev {
558 	struct auxiliary_device adev;
559 	struct mlx5_core_dev *mdev;
560 	int idx;
561 };
562 
563 struct mlx5_debugfs_entries {
564 	struct dentry *dbg_root;
565 	struct dentry *qp_debugfs;
566 	struct dentry *eq_debugfs;
567 	struct dentry *cq_debugfs;
568 	struct dentry *cmdif_debugfs;
569 	struct dentry *pages_debugfs;
570 	struct dentry *lag_debugfs;
571 };
572 
573 enum mlx5_func_type {
574 	MLX5_PF,
575 	MLX5_VF,
576 	MLX5_SF,
577 	MLX5_HOST_PF,
578 	MLX5_EC_VF,
579 	MLX5_FUNC_TYPE_NUM,
580 };
581 
582 struct mlx5_ft_pool;
583 struct mlx5_priv {
584 	/* IRQ table valid only for real pci devices PF or VF */
585 	struct mlx5_irq_table   *irq_table;
586 	struct mlx5_eq_table	*eq_table;
587 
588 	/* pages stuff */
589 	struct mlx5_nb          pg_nb;
590 	struct workqueue_struct *pg_wq;
591 	struct xarray           page_root_xa;
592 	atomic_t		reg_pages;
593 	struct list_head	free_list;
594 	u32			fw_pages;
595 	u32			page_counters[MLX5_FUNC_TYPE_NUM];
596 	u32			fw_pages_alloc_failed;
597 	u32			give_pages_dropped;
598 	u32			reclaim_pages_discard;
599 
600 	struct mlx5_core_health health;
601 	struct list_head	traps;
602 
603 	struct mlx5_debugfs_entries dbg;
604 
605 	/* start: alloc staff */
606 	/* protect buffer allocation according to numa node */
607 	struct mutex            alloc_mutex;
608 	int                     numa_node;
609 
610 	struct mutex            pgdir_mutex;
611 	struct list_head        pgdir_list;
612 	/* end: alloc staff */
613 
614 	struct mlx5_adev       **adev;
615 	int			adev_idx;
616 	int			sw_vhca_id;
617 	struct mlx5_events      *events;
618 	struct mlx5_vhca_events *vhca_events;
619 
620 	struct mlx5_flow_steering *steering;
621 	struct mlx5_mpfs        *mpfs;
622 	struct mlx5_eswitch     *eswitch;
623 	struct mlx5_core_sriov	sriov;
624 	struct mlx5_lag		*lag;
625 	u32			flags;
626 	struct mlx5_devcom_dev	*devc;
627 	struct mlx5_devcom_comp_dev *hca_devcom_comp;
628 	struct mlx5_fw_reset	*fw_reset;
629 	struct mlx5_core_roce	roce;
630 	struct mlx5_fc_stats		fc_stats;
631 	struct mlx5_rl_table            rl_table;
632 	struct mlx5_ft_pool		*ft_pool;
633 
634 	struct mlx5_bfreg_data		bfregs;
635 	struct mlx5_uars_page	       *uar;
636 #ifdef CONFIG_MLX5_SF
637 	struct mlx5_vhca_state_notifier *vhca_state_notifier;
638 	struct mlx5_sf_dev_table *sf_dev_table;
639 	struct mlx5_core_dev *parent_mdev;
640 #endif
641 #ifdef CONFIG_MLX5_SF_MANAGER
642 	struct mlx5_sf_hw_table *sf_hw_table;
643 	struct mlx5_sf_table *sf_table;
644 #endif
645 };
646 
647 enum mlx5_device_state {
648 	MLX5_DEVICE_STATE_UP = 1,
649 	MLX5_DEVICE_STATE_INTERNAL_ERROR,
650 };
651 
652 enum mlx5_interface_state {
653 	MLX5_INTERFACE_STATE_UP = BIT(0),
654 	MLX5_BREAK_FW_WAIT = BIT(1),
655 };
656 
657 enum mlx5_pci_status {
658 	MLX5_PCI_STATUS_DISABLED,
659 	MLX5_PCI_STATUS_ENABLED,
660 };
661 
662 enum mlx5_pagefault_type_flags {
663 	MLX5_PFAULT_REQUESTOR = 1 << 0,
664 	MLX5_PFAULT_WRITE     = 1 << 1,
665 	MLX5_PFAULT_RDMA      = 1 << 2,
666 };
667 
668 struct mlx5_td {
669 	/* protects tirs list changes while tirs refresh */
670 	struct mutex     list_lock;
671 	struct list_head tirs_list;
672 	u32              tdn;
673 };
674 
675 struct mlx5e_resources {
676 	struct mlx5e_hw_objs {
677 		u32                        pdn;
678 		struct mlx5_td             td;
679 		u32			   mkey;
680 		struct mlx5_sq_bfreg       bfreg;
681 	} hw_objs;
682 	struct net_device *uplink_netdev;
683 	struct mutex uplink_netdev_lock;
684 	struct mlx5_crypto_dek_priv *dek_priv;
685 };
686 
687 enum mlx5_sw_icm_type {
688 	MLX5_SW_ICM_TYPE_STEERING,
689 	MLX5_SW_ICM_TYPE_HEADER_MODIFY,
690 	MLX5_SW_ICM_TYPE_HEADER_MODIFY_PATTERN,
691 };
692 
693 #define MLX5_MAX_RESERVED_GIDS 8
694 
695 struct mlx5_rsvd_gids {
696 	unsigned int start;
697 	unsigned int count;
698 	struct ida ida;
699 };
700 
701 #define MAX_PIN_NUM	8
702 struct mlx5_pps {
703 	u8                         pin_caps[MAX_PIN_NUM];
704 	struct work_struct         out_work;
705 	u64                        start[MAX_PIN_NUM];
706 	u8                         enabled;
707 	u64                        min_npps_period;
708 	u64                        min_out_pulse_duration_ns;
709 };
710 
711 struct mlx5_timer {
712 	struct cyclecounter        cycles;
713 	struct timecounter         tc;
714 	u32                        nominal_c_mult;
715 	unsigned long              overflow_period;
716 	struct delayed_work        overflow_work;
717 };
718 
719 struct mlx5_clock {
720 	struct mlx5_nb             pps_nb;
721 	seqlock_t                  lock;
722 	struct hwtstamp_config     hwtstamp_config;
723 	struct ptp_clock          *ptp;
724 	struct ptp_clock_info      ptp_info;
725 	struct mlx5_pps            pps_info;
726 	struct mlx5_timer          timer;
727 };
728 
729 struct mlx5_dm;
730 struct mlx5_fw_tracer;
731 struct mlx5_vxlan;
732 struct mlx5_geneve;
733 struct mlx5_hv_vhca;
734 
735 #define MLX5_LOG_SW_ICM_BLOCK_SIZE(dev) (MLX5_CAP_DEV_MEM(dev, log_sw_icm_alloc_granularity))
736 #define MLX5_SW_ICM_BLOCK_SIZE(dev) (1 << MLX5_LOG_SW_ICM_BLOCK_SIZE(dev))
737 
738 enum {
739 	MLX5_PROF_MASK_QP_SIZE		= (u64)1 << 0,
740 	MLX5_PROF_MASK_MR_CACHE		= (u64)1 << 1,
741 };
742 
743 enum {
744 	MKEY_CACHE_LAST_STD_ENTRY = 20,
745 	MLX5_IMR_KSM_CACHE_ENTRY,
746 	MAX_MKEY_CACHE_ENTRIES
747 };
748 
749 struct mlx5_profile {
750 	u64	mask;
751 	u8	log_max_qp;
752 	u8	num_cmd_caches;
753 	struct {
754 		int	size;
755 		int	limit;
756 	} mr_cache[MAX_MKEY_CACHE_ENTRIES];
757 };
758 
759 struct mlx5_hca_cap {
760 	u32 cur[MLX5_UN_SZ_DW(hca_cap_union)];
761 	u32 max[MLX5_UN_SZ_DW(hca_cap_union)];
762 };
763 
764 struct mlx5_core_dev {
765 	struct device *device;
766 	enum mlx5_coredev_type coredev_type;
767 	struct pci_dev	       *pdev;
768 	/* sync pci state */
769 	struct mutex		pci_status_mutex;
770 	enum mlx5_pci_status	pci_status;
771 	u8			rev_id;
772 	char			board_id[MLX5_BOARD_ID_LEN];
773 	struct mlx5_cmd		cmd;
774 	struct {
775 		struct mlx5_hca_cap *hca[MLX5_CAP_NUM];
776 		u32 pcam[MLX5_ST_SZ_DW(pcam_reg)];
777 		u32 mcam[MLX5_MCAM_REGS_NUM][MLX5_ST_SZ_DW(mcam_reg)];
778 		u32 fpga[MLX5_ST_SZ_DW(fpga_cap)];
779 		u32 qcam[MLX5_ST_SZ_DW(qcam_reg)];
780 		u8  embedded_cpu;
781 	} caps;
782 	struct mlx5_timeouts	*timeouts;
783 	u64			sys_image_guid;
784 	phys_addr_t		iseg_base;
785 	struct mlx5_init_seg __iomem *iseg;
786 	phys_addr_t             bar_addr;
787 	enum mlx5_device_state	state;
788 	/* sync interface state */
789 	struct mutex		intf_state_mutex;
790 	struct lock_class_key	lock_key;
791 	unsigned long		intf_state;
792 	struct mlx5_priv	priv;
793 	struct mlx5_profile	profile;
794 	u32			issi;
795 	struct mlx5e_resources  mlx5e_res;
796 	struct mlx5_dm          *dm;
797 	struct mlx5_vxlan       *vxlan;
798 	struct mlx5_geneve      *geneve;
799 	struct {
800 		struct mlx5_rsvd_gids	reserved_gids;
801 		u32			roce_en;
802 	} roce;
803 #ifdef CONFIG_MLX5_FPGA
804 	struct mlx5_fpga_device *fpga;
805 #endif
806 	struct mlx5_clock        clock;
807 	struct mlx5_ib_clock_info  *clock_info;
808 	struct mlx5_fw_tracer   *tracer;
809 	struct mlx5_rsc_dump    *rsc_dump;
810 	u32                      vsc_addr;
811 	struct mlx5_hv_vhca	*hv_vhca;
812 	struct mlx5_hwmon	*hwmon;
813 	u64			num_block_tc;
814 	u64			num_block_ipsec;
815 #ifdef CONFIG_MLX5_MACSEC
816 	struct mlx5_macsec_fs *macsec_fs;
817 	/* MACsec notifier chain to sync MACsec core and IB database */
818 	struct blocking_notifier_head macsec_nh;
819 #endif
820 	u64 num_ipsec_offloads;
821 };
822 
823 struct mlx5_db {
824 	__be32			*db;
825 	union {
826 		struct mlx5_db_pgdir		*pgdir;
827 		struct mlx5_ib_user_db_page	*user_page;
828 	}			u;
829 	dma_addr_t		dma;
830 	int			index;
831 };
832 
833 enum {
834 	MLX5_COMP_EQ_SIZE = 1024,
835 };
836 
837 enum {
838 	MLX5_PTYS_IB = 1 << 0,
839 	MLX5_PTYS_EN = 1 << 2,
840 };
841 
842 typedef void (*mlx5_cmd_cbk_t)(int status, void *context);
843 
844 enum {
845 	MLX5_CMD_ENT_STATE_PENDING_COMP,
846 };
847 
848 struct mlx5_cmd_work_ent {
849 	unsigned long		state;
850 	struct mlx5_cmd_msg    *in;
851 	struct mlx5_cmd_msg    *out;
852 	void		       *uout;
853 	int			uout_size;
854 	mlx5_cmd_cbk_t		callback;
855 	struct delayed_work	cb_timeout_work;
856 	void		       *context;
857 	int			idx;
858 	struct completion	handling;
859 	struct completion	done;
860 	struct mlx5_cmd        *cmd;
861 	struct work_struct	work;
862 	struct mlx5_cmd_layout *lay;
863 	int			ret;
864 	int			page_queue;
865 	u8			status;
866 	u8			token;
867 	u64			ts1;
868 	u64			ts2;
869 	u16			op;
870 	bool			polling;
871 	/* Track the max comp handlers */
872 	refcount_t              refcnt;
873 };
874 
875 enum phy_port_state {
876 	MLX5_AAA_111
877 };
878 
879 struct mlx5_hca_vport_context {
880 	u32			field_select;
881 	bool			sm_virt_aware;
882 	bool			has_smi;
883 	bool			has_raw;
884 	enum port_state_policy	policy;
885 	enum phy_port_state	phys_state;
886 	enum ib_port_state	vport_state;
887 	u8			port_physical_state;
888 	u64			sys_image_guid;
889 	u64			port_guid;
890 	u64			node_guid;
891 	u32			cap_mask1;
892 	u32			cap_mask1_perm;
893 	u16			cap_mask2;
894 	u16			cap_mask2_perm;
895 	u16			lid;
896 	u8			init_type_reply; /* bitmask: see ib spec 14.2.5.6 InitTypeReply */
897 	u8			lmc;
898 	u8			subnet_timeout;
899 	u16			sm_lid;
900 	u8			sm_sl;
901 	u16			qkey_violation_counter;
902 	u16			pkey_violation_counter;
903 	bool			grh_required;
904 };
905 
906 #define STRUCT_FIELD(header, field) \
907 	.struct_offset_bytes = offsetof(struct ib_unpacked_ ## header, field),      \
908 	.struct_size_bytes   = sizeof((struct ib_unpacked_ ## header *)0)->field
909 
910 extern struct dentry *mlx5_debugfs_root;
911 
912 static inline u16 fw_rev_maj(struct mlx5_core_dev *dev)
913 {
914 	return ioread32be(&dev->iseg->fw_rev) & 0xffff;
915 }
916 
917 static inline u16 fw_rev_min(struct mlx5_core_dev *dev)
918 {
919 	return ioread32be(&dev->iseg->fw_rev) >> 16;
920 }
921 
922 static inline u16 fw_rev_sub(struct mlx5_core_dev *dev)
923 {
924 	return ioread32be(&dev->iseg->cmdif_rev_fw_sub) & 0xffff;
925 }
926 
927 static inline u32 mlx5_base_mkey(const u32 key)
928 {
929 	return key & 0xffffff00u;
930 }
931 
932 static inline u32 wq_get_byte_sz(u8 log_sz, u8 log_stride)
933 {
934 	return ((u32)1 << log_sz) << log_stride;
935 }
936 
937 static inline void mlx5_init_fbc_offset(struct mlx5_buf_list *frags,
938 					u8 log_stride, u8 log_sz,
939 					u16 strides_offset,
940 					struct mlx5_frag_buf_ctrl *fbc)
941 {
942 	fbc->frags      = frags;
943 	fbc->log_stride = log_stride;
944 	fbc->log_sz     = log_sz;
945 	fbc->sz_m1	= (1 << fbc->log_sz) - 1;
946 	fbc->log_frag_strides = PAGE_SHIFT - fbc->log_stride;
947 	fbc->frag_sz_m1	= (1 << fbc->log_frag_strides) - 1;
948 	fbc->strides_offset = strides_offset;
949 }
950 
951 static inline void mlx5_init_fbc(struct mlx5_buf_list *frags,
952 				 u8 log_stride, u8 log_sz,
953 				 struct mlx5_frag_buf_ctrl *fbc)
954 {
955 	mlx5_init_fbc_offset(frags, log_stride, log_sz, 0, fbc);
956 }
957 
958 static inline void *mlx5_frag_buf_get_wqe(struct mlx5_frag_buf_ctrl *fbc,
959 					  u32 ix)
960 {
961 	unsigned int frag;
962 
963 	ix  += fbc->strides_offset;
964 	frag = ix >> fbc->log_frag_strides;
965 
966 	return fbc->frags[frag].buf + ((fbc->frag_sz_m1 & ix) << fbc->log_stride);
967 }
968 
969 static inline u32
970 mlx5_frag_buf_get_idx_last_contig_stride(struct mlx5_frag_buf_ctrl *fbc, u32 ix)
971 {
972 	u32 last_frag_stride_idx = (ix + fbc->strides_offset) | fbc->frag_sz_m1;
973 
974 	return min_t(u32, last_frag_stride_idx - fbc->strides_offset, fbc->sz_m1);
975 }
976 
977 enum {
978 	CMD_ALLOWED_OPCODE_ALL,
979 };
980 
981 void mlx5_cmd_use_events(struct mlx5_core_dev *dev);
982 void mlx5_cmd_use_polling(struct mlx5_core_dev *dev);
983 void mlx5_cmd_allowed_opcode(struct mlx5_core_dev *dev, u16 opcode);
984 
985 struct mlx5_async_ctx {
986 	struct mlx5_core_dev *dev;
987 	atomic_t num_inflight;
988 	struct completion inflight_done;
989 };
990 
991 struct mlx5_async_work;
992 
993 typedef void (*mlx5_async_cbk_t)(int status, struct mlx5_async_work *context);
994 
995 struct mlx5_async_work {
996 	struct mlx5_async_ctx *ctx;
997 	mlx5_async_cbk_t user_callback;
998 	u16 opcode; /* cmd opcode */
999 	u16 op_mod; /* cmd op_mod */
1000 	void *out; /* pointer to the cmd output buffer */
1001 };
1002 
1003 void mlx5_cmd_init_async_ctx(struct mlx5_core_dev *dev,
1004 			     struct mlx5_async_ctx *ctx);
1005 void mlx5_cmd_cleanup_async_ctx(struct mlx5_async_ctx *ctx);
1006 int mlx5_cmd_exec_cb(struct mlx5_async_ctx *ctx, void *in, int in_size,
1007 		     void *out, int out_size, mlx5_async_cbk_t callback,
1008 		     struct mlx5_async_work *work);
1009 void mlx5_cmd_out_err(struct mlx5_core_dev *dev, u16 opcode, u16 op_mod, void *out);
1010 int mlx5_cmd_do(struct mlx5_core_dev *dev, void *in, int in_size, void *out, int out_size);
1011 int mlx5_cmd_check(struct mlx5_core_dev *dev, int err, void *in, void *out);
1012 int mlx5_cmd_exec(struct mlx5_core_dev *dev, void *in, int in_size, void *out,
1013 		  int out_size);
1014 
1015 #define mlx5_cmd_exec_inout(dev, ifc_cmd, in, out)                             \
1016 	({                                                                     \
1017 		mlx5_cmd_exec(dev, in, MLX5_ST_SZ_BYTES(ifc_cmd##_in), out,    \
1018 			      MLX5_ST_SZ_BYTES(ifc_cmd##_out));                \
1019 	})
1020 
1021 #define mlx5_cmd_exec_in(dev, ifc_cmd, in)                                     \
1022 	({                                                                     \
1023 		u32 _out[MLX5_ST_SZ_DW(ifc_cmd##_out)] = {};                   \
1024 		mlx5_cmd_exec_inout(dev, ifc_cmd, in, _out);                   \
1025 	})
1026 
1027 int mlx5_cmd_exec_polling(struct mlx5_core_dev *dev, void *in, int in_size,
1028 			  void *out, int out_size);
1029 bool mlx5_cmd_is_down(struct mlx5_core_dev *dev);
1030 
1031 void mlx5_core_uplink_netdev_set(struct mlx5_core_dev *mdev, struct net_device *netdev);
1032 void mlx5_core_uplink_netdev_event_replay(struct mlx5_core_dev *mdev);
1033 
1034 void mlx5_core_mp_event_replay(struct mlx5_core_dev *dev, u32 event, void *data);
1035 
1036 void mlx5_health_cleanup(struct mlx5_core_dev *dev);
1037 int mlx5_health_init(struct mlx5_core_dev *dev);
1038 void mlx5_start_health_poll(struct mlx5_core_dev *dev);
1039 void mlx5_stop_health_poll(struct mlx5_core_dev *dev, bool disable_health);
1040 void mlx5_start_health_fw_log_up(struct mlx5_core_dev *dev);
1041 void mlx5_drain_health_wq(struct mlx5_core_dev *dev);
1042 void mlx5_trigger_health_work(struct mlx5_core_dev *dev);
1043 int mlx5_frag_buf_alloc_node(struct mlx5_core_dev *dev, int size,
1044 			     struct mlx5_frag_buf *buf, int node);
1045 void mlx5_frag_buf_free(struct mlx5_core_dev *dev, struct mlx5_frag_buf *buf);
1046 int mlx5_core_create_mkey(struct mlx5_core_dev *dev, u32 *mkey, u32 *in,
1047 			  int inlen);
1048 int mlx5_core_destroy_mkey(struct mlx5_core_dev *dev, u32 mkey);
1049 int mlx5_core_query_mkey(struct mlx5_core_dev *dev, u32 mkey, u32 *out,
1050 			 int outlen);
1051 int mlx5_core_alloc_pd(struct mlx5_core_dev *dev, u32 *pdn);
1052 int mlx5_core_dealloc_pd(struct mlx5_core_dev *dev, u32 pdn);
1053 int mlx5_pagealloc_init(struct mlx5_core_dev *dev);
1054 void mlx5_pagealloc_cleanup(struct mlx5_core_dev *dev);
1055 void mlx5_pagealloc_start(struct mlx5_core_dev *dev);
1056 void mlx5_pagealloc_stop(struct mlx5_core_dev *dev);
1057 void mlx5_pages_debugfs_init(struct mlx5_core_dev *dev);
1058 void mlx5_pages_debugfs_cleanup(struct mlx5_core_dev *dev);
1059 int mlx5_satisfy_startup_pages(struct mlx5_core_dev *dev, int boot);
1060 int mlx5_reclaim_startup_pages(struct mlx5_core_dev *dev);
1061 void mlx5_register_debugfs(void);
1062 void mlx5_unregister_debugfs(void);
1063 
1064 void mlx5_fill_page_frag_array_perm(struct mlx5_frag_buf *buf, __be64 *pas, u8 perm);
1065 void mlx5_fill_page_frag_array(struct mlx5_frag_buf *frag_buf, __be64 *pas);
1066 int mlx5_comp_eqn_get(struct mlx5_core_dev *dev, u16 vecidx, int *eqn);
1067 int mlx5_core_attach_mcg(struct mlx5_core_dev *dev, union ib_gid *mgid, u32 qpn);
1068 int mlx5_core_detach_mcg(struct mlx5_core_dev *dev, union ib_gid *mgid, u32 qpn);
1069 
1070 struct dentry *mlx5_debugfs_get_dev_root(struct mlx5_core_dev *dev);
1071 void mlx5_qp_debugfs_init(struct mlx5_core_dev *dev);
1072 void mlx5_qp_debugfs_cleanup(struct mlx5_core_dev *dev);
1073 int mlx5_access_reg(struct mlx5_core_dev *dev, void *data_in, int size_in,
1074 		    void *data_out, int size_out, u16 reg_id, int arg,
1075 		    int write, bool verbose);
1076 int mlx5_core_access_reg(struct mlx5_core_dev *dev, void *data_in,
1077 			 int size_in, void *data_out, int size_out,
1078 			 u16 reg_num, int arg, int write);
1079 
1080 int mlx5_db_alloc_node(struct mlx5_core_dev *dev, struct mlx5_db *db,
1081 		       int node);
1082 
1083 static inline int mlx5_db_alloc(struct mlx5_core_dev *dev, struct mlx5_db *db)
1084 {
1085 	return mlx5_db_alloc_node(dev, db, dev->priv.numa_node);
1086 }
1087 
1088 void mlx5_db_free(struct mlx5_core_dev *dev, struct mlx5_db *db);
1089 
1090 const char *mlx5_command_str(int command);
1091 void mlx5_cmdif_debugfs_init(struct mlx5_core_dev *dev);
1092 void mlx5_cmdif_debugfs_cleanup(struct mlx5_core_dev *dev);
1093 int mlx5_core_create_psv(struct mlx5_core_dev *dev, u32 pdn,
1094 			 int npsvs, u32 *sig_index);
1095 int mlx5_core_destroy_psv(struct mlx5_core_dev *dev, int psv_num);
1096 __be32 mlx5_core_get_terminate_scatter_list_mkey(struct mlx5_core_dev *dev);
1097 void mlx5_core_put_rsc(struct mlx5_core_rsc_common *common);
1098 
1099 int mlx5_init_rl_table(struct mlx5_core_dev *dev);
1100 void mlx5_cleanup_rl_table(struct mlx5_core_dev *dev);
1101 int mlx5_rl_add_rate(struct mlx5_core_dev *dev, u16 *index,
1102 		     struct mlx5_rate_limit *rl);
1103 void mlx5_rl_remove_rate(struct mlx5_core_dev *dev, struct mlx5_rate_limit *rl);
1104 bool mlx5_rl_is_in_range(struct mlx5_core_dev *dev, u32 rate);
1105 int mlx5_rl_add_rate_raw(struct mlx5_core_dev *dev, void *rl_in, u16 uid,
1106 			 bool dedicated_entry, u16 *index);
1107 void mlx5_rl_remove_rate_raw(struct mlx5_core_dev *dev, u16 index);
1108 bool mlx5_rl_are_equal(struct mlx5_rate_limit *rl_0,
1109 		       struct mlx5_rate_limit *rl_1);
1110 int mlx5_alloc_bfreg(struct mlx5_core_dev *mdev, struct mlx5_sq_bfreg *bfreg,
1111 		     bool map_wc, bool fast_path);
1112 void mlx5_free_bfreg(struct mlx5_core_dev *mdev, struct mlx5_sq_bfreg *bfreg);
1113 
1114 unsigned int mlx5_comp_vectors_max(struct mlx5_core_dev *dev);
1115 int mlx5_comp_vector_get_cpu(struct mlx5_core_dev *dev, int vector);
1116 unsigned int mlx5_core_reserved_gids_count(struct mlx5_core_dev *dev);
1117 int mlx5_core_roce_gid_set(struct mlx5_core_dev *dev, unsigned int index,
1118 			   u8 roce_version, u8 roce_l3_type, const u8 *gid,
1119 			   const u8 *mac, bool vlan, u16 vlan_id, u8 port_num);
1120 
1121 static inline u32 mlx5_mkey_to_idx(u32 mkey)
1122 {
1123 	return mkey >> 8;
1124 }
1125 
1126 static inline u32 mlx5_idx_to_mkey(u32 mkey_idx)
1127 {
1128 	return mkey_idx << 8;
1129 }
1130 
1131 static inline u8 mlx5_mkey_variant(u32 mkey)
1132 {
1133 	return mkey & 0xff;
1134 }
1135 
1136 /* Async-atomic event notifier used by mlx5 core to forward FW
1137  * evetns received from event queue to mlx5 consumers.
1138  * Optimise event queue dipatching.
1139  */
1140 int mlx5_notifier_register(struct mlx5_core_dev *dev, struct notifier_block *nb);
1141 int mlx5_notifier_unregister(struct mlx5_core_dev *dev, struct notifier_block *nb);
1142 
1143 /* Async-atomic event notifier used for forwarding
1144  * evetns from the event queue into the to mlx5 events dispatcher,
1145  * eswitch, clock and others.
1146  */
1147 int mlx5_eq_notifier_register(struct mlx5_core_dev *dev, struct mlx5_nb *nb);
1148 int mlx5_eq_notifier_unregister(struct mlx5_core_dev *dev, struct mlx5_nb *nb);
1149 
1150 /* Blocking event notifier used to forward SW events, used for slow path */
1151 int mlx5_blocking_notifier_register(struct mlx5_core_dev *dev, struct notifier_block *nb);
1152 int mlx5_blocking_notifier_unregister(struct mlx5_core_dev *dev, struct notifier_block *nb);
1153 int mlx5_blocking_notifier_call_chain(struct mlx5_core_dev *dev, unsigned int event,
1154 				      void *data);
1155 
1156 int mlx5_core_query_vendor_id(struct mlx5_core_dev *mdev, u32 *vendor_id);
1157 
1158 int mlx5_cmd_create_vport_lag(struct mlx5_core_dev *dev);
1159 int mlx5_cmd_destroy_vport_lag(struct mlx5_core_dev *dev);
1160 bool mlx5_lag_is_roce(struct mlx5_core_dev *dev);
1161 bool mlx5_lag_is_sriov(struct mlx5_core_dev *dev);
1162 bool mlx5_lag_is_active(struct mlx5_core_dev *dev);
1163 bool mlx5_lag_mode_is_hash(struct mlx5_core_dev *dev);
1164 bool mlx5_lag_is_master(struct mlx5_core_dev *dev);
1165 bool mlx5_lag_is_shared_fdb(struct mlx5_core_dev *dev);
1166 bool mlx5_lag_is_mpesw(struct mlx5_core_dev *dev);
1167 struct net_device *mlx5_lag_get_roce_netdev(struct mlx5_core_dev *dev);
1168 u8 mlx5_lag_get_slave_port(struct mlx5_core_dev *dev,
1169 			   struct net_device *slave);
1170 int mlx5_lag_query_cong_counters(struct mlx5_core_dev *dev,
1171 				 u64 *values,
1172 				 int num_counters,
1173 				 size_t *offsets);
1174 struct mlx5_core_dev *mlx5_lag_get_next_peer_mdev(struct mlx5_core_dev *dev, int *i);
1175 
1176 #define mlx5_lag_for_each_peer_mdev(dev, peer, i)				\
1177 	for (i = 0, peer = mlx5_lag_get_next_peer_mdev(dev, &i);		\
1178 	     peer;								\
1179 	     peer = mlx5_lag_get_next_peer_mdev(dev, &i))
1180 
1181 u8 mlx5_lag_get_num_ports(struct mlx5_core_dev *dev);
1182 struct mlx5_uars_page *mlx5_get_uars_page(struct mlx5_core_dev *mdev);
1183 void mlx5_put_uars_page(struct mlx5_core_dev *mdev, struct mlx5_uars_page *up);
1184 int mlx5_dm_sw_icm_alloc(struct mlx5_core_dev *dev, enum mlx5_sw_icm_type type,
1185 			 u64 length, u32 log_alignment, u16 uid,
1186 			 phys_addr_t *addr, u32 *obj_id);
1187 int mlx5_dm_sw_icm_dealloc(struct mlx5_core_dev *dev, enum mlx5_sw_icm_type type,
1188 			   u64 length, u16 uid, phys_addr_t addr, u32 obj_id);
1189 
1190 struct mlx5_core_dev *mlx5_vf_get_core_dev(struct pci_dev *pdev);
1191 void mlx5_vf_put_core_dev(struct mlx5_core_dev *mdev);
1192 
1193 int mlx5_sriov_blocking_notifier_register(struct mlx5_core_dev *mdev,
1194 					  int vf_id,
1195 					  struct notifier_block *nb);
1196 void mlx5_sriov_blocking_notifier_unregister(struct mlx5_core_dev *mdev,
1197 					     int vf_id,
1198 					     struct notifier_block *nb);
1199 int mlx5_rdma_rn_get_params(struct mlx5_core_dev *mdev,
1200 			    struct ib_device *device,
1201 			    struct rdma_netdev_alloc_params *params);
1202 
1203 enum {
1204 	MLX5_PCI_DEV_IS_VF		= 1 << 0,
1205 };
1206 
1207 static inline bool mlx5_core_is_pf(const struct mlx5_core_dev *dev)
1208 {
1209 	return dev->coredev_type == MLX5_COREDEV_PF;
1210 }
1211 
1212 static inline bool mlx5_core_is_vf(const struct mlx5_core_dev *dev)
1213 {
1214 	return dev->coredev_type == MLX5_COREDEV_VF;
1215 }
1216 
1217 static inline bool mlx5_core_is_ecpf(const struct mlx5_core_dev *dev)
1218 {
1219 	return dev->caps.embedded_cpu;
1220 }
1221 
1222 static inline bool
1223 mlx5_core_is_ecpf_esw_manager(const struct mlx5_core_dev *dev)
1224 {
1225 	return dev->caps.embedded_cpu && MLX5_CAP_GEN(dev, eswitch_manager);
1226 }
1227 
1228 static inline bool mlx5_ecpf_vport_exists(const struct mlx5_core_dev *dev)
1229 {
1230 	return mlx5_core_is_pf(dev) && MLX5_CAP_ESW(dev, ecpf_vport_exists);
1231 }
1232 
1233 static inline u16 mlx5_core_max_vfs(const struct mlx5_core_dev *dev)
1234 {
1235 	return dev->priv.sriov.max_vfs;
1236 }
1237 
1238 static inline int mlx5_lag_is_lacp_owner(struct mlx5_core_dev *dev)
1239 {
1240 	/* LACP owner conditions:
1241 	 * 1) Function is physical.
1242 	 * 2) LAG is supported by FW.
1243 	 * 3) LAG is managed by driver (currently the only option).
1244 	 */
1245 	return  MLX5_CAP_GEN(dev, vport_group_manager) &&
1246 		   (MLX5_CAP_GEN(dev, num_lag_ports) > 1) &&
1247 		    MLX5_CAP_GEN(dev, lag_master);
1248 }
1249 
1250 static inline u16 mlx5_core_max_ec_vfs(const struct mlx5_core_dev *dev)
1251 {
1252 	return dev->priv.sriov.max_ec_vfs;
1253 }
1254 
1255 static inline int mlx5_get_gid_table_len(u16 param)
1256 {
1257 	if (param > 4) {
1258 		pr_warn("gid table length is zero\n");
1259 		return 0;
1260 	}
1261 
1262 	return 8 * (1 << param);
1263 }
1264 
1265 static inline bool mlx5_rl_is_supported(struct mlx5_core_dev *dev)
1266 {
1267 	return !!(dev->priv.rl_table.max_size);
1268 }
1269 
1270 static inline int mlx5_core_is_mp_slave(struct mlx5_core_dev *dev)
1271 {
1272 	return MLX5_CAP_GEN(dev, affiliate_nic_vport_criteria) &&
1273 	       MLX5_CAP_GEN(dev, num_vhca_ports) <= 1;
1274 }
1275 
1276 static inline int mlx5_core_is_mp_master(struct mlx5_core_dev *dev)
1277 {
1278 	return MLX5_CAP_GEN(dev, num_vhca_ports) > 1;
1279 }
1280 
1281 static inline int mlx5_core_mp_enabled(struct mlx5_core_dev *dev)
1282 {
1283 	return mlx5_core_is_mp_slave(dev) ||
1284 	       mlx5_core_is_mp_master(dev);
1285 }
1286 
1287 static inline int mlx5_core_native_port_num(struct mlx5_core_dev *dev)
1288 {
1289 	if (!mlx5_core_mp_enabled(dev))
1290 		return 1;
1291 
1292 	return MLX5_CAP_GEN(dev, native_port_num);
1293 }
1294 
1295 static inline int mlx5_get_dev_index(struct mlx5_core_dev *dev)
1296 {
1297 	int idx = MLX5_CAP_GEN(dev, native_port_num);
1298 
1299 	if (idx >= 1 && idx <= MLX5_MAX_PORTS)
1300 		return idx - 1;
1301 	else
1302 		return PCI_FUNC(dev->pdev->devfn);
1303 }
1304 
1305 enum {
1306 	MLX5_TRIGGERED_CMD_COMP = (u64)1 << 32,
1307 };
1308 
1309 bool mlx5_is_roce_on(struct mlx5_core_dev *dev);
1310 
1311 static inline bool mlx5_get_roce_state(struct mlx5_core_dev *dev)
1312 {
1313 	if (MLX5_CAP_GEN(dev, roce_rw_supported))
1314 		return MLX5_CAP_GEN(dev, roce);
1315 
1316 	/* If RoCE cap is read-only in FW, get RoCE state from devlink
1317 	 * in order to support RoCE enable/disable feature
1318 	 */
1319 	return mlx5_is_roce_on(dev);
1320 }
1321 
1322 #ifdef CONFIG_MLX5_MACSEC
1323 static inline bool mlx5e_is_macsec_device(const struct mlx5_core_dev *mdev)
1324 {
1325 	if (!(MLX5_CAP_GEN_64(mdev, general_obj_types) &
1326 	    MLX5_GENERAL_OBJ_TYPES_CAP_MACSEC_OFFLOAD))
1327 		return false;
1328 
1329 	if (!MLX5_CAP_GEN(mdev, log_max_dek))
1330 		return false;
1331 
1332 	if (!MLX5_CAP_MACSEC(mdev, log_max_macsec_offload))
1333 		return false;
1334 
1335 	if (!MLX5_CAP_FLOWTABLE_NIC_RX(mdev, macsec_decrypt) ||
1336 	    !MLX5_CAP_FLOWTABLE_NIC_RX(mdev, reformat_remove_macsec))
1337 		return false;
1338 
1339 	if (!MLX5_CAP_FLOWTABLE_NIC_TX(mdev, macsec_encrypt) ||
1340 	    !MLX5_CAP_FLOWTABLE_NIC_TX(mdev, reformat_add_macsec))
1341 		return false;
1342 
1343 	if (!MLX5_CAP_MACSEC(mdev, macsec_crypto_esp_aes_gcm_128_encrypt) &&
1344 	    !MLX5_CAP_MACSEC(mdev, macsec_crypto_esp_aes_gcm_256_encrypt))
1345 		return false;
1346 
1347 	if (!MLX5_CAP_MACSEC(mdev, macsec_crypto_esp_aes_gcm_128_decrypt) &&
1348 	    !MLX5_CAP_MACSEC(mdev, macsec_crypto_esp_aes_gcm_256_decrypt))
1349 		return false;
1350 
1351 	return true;
1352 }
1353 
1354 #define NIC_RDMA_BOTH_DIRS_CAPS (MLX5_FT_NIC_RX_2_NIC_RX_RDMA | MLX5_FT_NIC_TX_RDMA_2_NIC_TX)
1355 
1356 static inline bool mlx5_is_macsec_roce_supported(struct mlx5_core_dev *mdev)
1357 {
1358 	if (((MLX5_CAP_GEN_2(mdev, flow_table_type_2_type) &
1359 	     NIC_RDMA_BOTH_DIRS_CAPS) != NIC_RDMA_BOTH_DIRS_CAPS) ||
1360 	     !MLX5_CAP_FLOWTABLE_RDMA_TX(mdev, max_modify_header_actions) ||
1361 	     !mlx5e_is_macsec_device(mdev) || !mdev->macsec_fs)
1362 		return false;
1363 
1364 	return true;
1365 }
1366 #endif
1367 
1368 enum {
1369 	MLX5_OCTWORD = 16,
1370 };
1371 
1372 struct msi_map mlx5_msix_alloc(struct mlx5_core_dev *dev,
1373 			       irqreturn_t (*handler)(int, void *),
1374 			       const struct irq_affinity_desc *affdesc,
1375 			       const char *name);
1376 void mlx5_msix_free(struct mlx5_core_dev *dev, struct msi_map map);
1377 
1378 #endif /* MLX5_DRIVER_H */
1379