xref: /freebsd/sys/dev/mlx5/driver.h (revision 8e9740b62e950b40dcf7dbe729855be14450d40d) 
1 /*-
2  * Copyright (c) 2013-2019, Mellanox Technologies, Ltd.  All rights reserved.
3  *
4  * Redistribution and use in source and binary forms, with or without
5  * modification, are permitted provided that the following conditions
6  * are met:
7  * 1. Redistributions of source code must retain the above copyright
8  *    notice, this list of conditions and the following disclaimer.
9  * 2. Redistributions in binary form must reproduce the above copyright
10  *    notice, this list of conditions and the following disclaimer in the
11  *    documentation and/or other materials provided with the distribution.
12  *
13  * THIS SOFTWARE IS PROVIDED BY AUTHOR AND CONTRIBUTORS `AS IS' AND
14  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
16  * ARE DISCLAIMED.  IN NO EVENT SHALL AUTHOR OR CONTRIBUTORS BE LIABLE
17  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
18  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
19  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
20  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
21  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
22  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
23  * SUCH DAMAGE.
24  *
25  * $FreeBSD$
26  */
27 
28 #ifndef MLX5_DRIVER_H
29 #define MLX5_DRIVER_H
30 
31 #include "opt_ratelimit.h"
32 
33 #include <linux/kernel.h>
34 #include <linux/completion.h>
35 #include <linux/pci.h>
36 #include <linux/cache.h>
37 #include <linux/rbtree.h>
38 #include <linux/if_ether.h>
39 #include <linux/semaphore.h>
40 #include <linux/slab.h>
41 #include <linux/vmalloc.h>
42 #include <linux/radix-tree.h>
43 #include <linux/idr.h>
44 #include <linux/wait.h>
45 
46 #include <dev/mlx5/device.h>
47 #include <dev/mlx5/doorbell.h>
48 #include <dev/mlx5/srq.h>
49 
50 #define MLX5_QCOUNTER_SETS_NETDEV 64
51 #define MLX5_MAX_NUMBER_OF_VFS 128
52 
53 #define MLX5_INVALID_QUEUE_HANDLE 0xffffffff
54 
55 enum {
56 	MLX5_BOARD_ID_LEN = 64,
57 	MLX5_MAX_NAME_LEN = 16,
58 };
59 
60 enum {
61 	MLX5_CMD_TIMEOUT_MSEC	= 60 * 1000,
62 };
63 
64 enum {
65 	CMD_OWNER_SW		= 0x0,
66 	CMD_OWNER_HW		= 0x1,
67 	CMD_STATUS_SUCCESS	= 0,
68 };
69 
70 enum mlx5_sqp_t {
71 	MLX5_SQP_SMI		= 0,
72 	MLX5_SQP_GSI		= 1,
73 	MLX5_SQP_IEEE_1588	= 2,
74 	MLX5_SQP_SNIFFER	= 3,
75 	MLX5_SQP_SYNC_UMR	= 4,
76 };
77 
78 enum {
79 	MLX5_MAX_PORTS	= 2,
80 };
81 
82 enum {
83 	MLX5_EQ_VEC_PAGES	 = 0,
84 	MLX5_EQ_VEC_CMD		 = 1,
85 	MLX5_EQ_VEC_ASYNC	 = 2,
86 	MLX5_EQ_VEC_COMP_BASE,
87 };
88 
89 enum {
90 	MLX5_ATOMIC_MODE_OFF		= 16,
91 	MLX5_ATOMIC_MODE_NONE		= 0 << MLX5_ATOMIC_MODE_OFF,
92 	MLX5_ATOMIC_MODE_IB_COMP	= 1 << MLX5_ATOMIC_MODE_OFF,
93 	MLX5_ATOMIC_MODE_CX		= 2 << MLX5_ATOMIC_MODE_OFF,
94 	MLX5_ATOMIC_MODE_8B		= 3 << MLX5_ATOMIC_MODE_OFF,
95 	MLX5_ATOMIC_MODE_16B		= 4 << MLX5_ATOMIC_MODE_OFF,
96 	MLX5_ATOMIC_MODE_32B		= 5 << MLX5_ATOMIC_MODE_OFF,
97 	MLX5_ATOMIC_MODE_64B		= 6 << MLX5_ATOMIC_MODE_OFF,
98 	MLX5_ATOMIC_MODE_128B		= 7 << MLX5_ATOMIC_MODE_OFF,
99 	MLX5_ATOMIC_MODE_256B		= 8 << MLX5_ATOMIC_MODE_OFF,
100 };
101 
102 enum {
103 	MLX5_ATOMIC_MODE_DCT_OFF	= 20,
104 	MLX5_ATOMIC_MODE_DCT_NONE	= 0 << MLX5_ATOMIC_MODE_DCT_OFF,
105 	MLX5_ATOMIC_MODE_DCT_IB_COMP	= 1 << MLX5_ATOMIC_MODE_DCT_OFF,
106 	MLX5_ATOMIC_MODE_DCT_CX		= 2 << MLX5_ATOMIC_MODE_DCT_OFF,
107 	MLX5_ATOMIC_MODE_DCT_8B		= 3 << MLX5_ATOMIC_MODE_DCT_OFF,
108 	MLX5_ATOMIC_MODE_DCT_16B	= 4 << MLX5_ATOMIC_MODE_DCT_OFF,
109 	MLX5_ATOMIC_MODE_DCT_32B	= 5 << MLX5_ATOMIC_MODE_DCT_OFF,
110 	MLX5_ATOMIC_MODE_DCT_64B	= 6 << MLX5_ATOMIC_MODE_DCT_OFF,
111 	MLX5_ATOMIC_MODE_DCT_128B	= 7 << MLX5_ATOMIC_MODE_DCT_OFF,
112 	MLX5_ATOMIC_MODE_DCT_256B	= 8 << MLX5_ATOMIC_MODE_DCT_OFF,
113 };
114 
115 enum {
116 	MLX5_ATOMIC_OPS_CMP_SWAP		= 1 << 0,
117 	MLX5_ATOMIC_OPS_FETCH_ADD		= 1 << 1,
118 	MLX5_ATOMIC_OPS_MASKED_CMP_SWAP		= 1 << 2,
119 	MLX5_ATOMIC_OPS_MASKED_FETCH_ADD	= 1 << 3,
120 };
121 
122 enum {
123 	MLX5_REG_QPTS		 = 0x4002,
124 	MLX5_REG_QETCR		 = 0x4005,
125 	MLX5_REG_QPDP		 = 0x4007,
126 	MLX5_REG_QTCT		 = 0x400A,
127 	MLX5_REG_QPDPM		 = 0x4013,
128 	MLX5_REG_QHLL		 = 0x4016,
129 	MLX5_REG_QCAM		 = 0x4019,
130 	MLX5_REG_DCBX_PARAM	 = 0x4020,
131 	MLX5_REG_DCBX_APP	 = 0x4021,
132 	MLX5_REG_FPGA_CAP	 = 0x4022,
133 	MLX5_REG_FPGA_CTRL	 = 0x4023,
134 	MLX5_REG_FPGA_ACCESS_REG = 0x4024,
135 	MLX5_REG_FPGA_SHELL_CNTR = 0x4025,
136 	MLX5_REG_PCAP		 = 0x5001,
137 	MLX5_REG_PMLP		 = 0x5002,
138 	MLX5_REG_PMTU		 = 0x5003,
139 	MLX5_REG_PTYS		 = 0x5004,
140 	MLX5_REG_PAOS		 = 0x5006,
141 	MLX5_REG_PFCC		 = 0x5007,
142 	MLX5_REG_PPCNT		 = 0x5008,
143 	MLX5_REG_PUDE		 = 0x5009,
144 	MLX5_REG_PPTB		 = 0x500B,
145 	MLX5_REG_PBMC		 = 0x500C,
146 	MLX5_REG_PELC		 = 0x500E,
147 	MLX5_REG_PVLC		 = 0x500F,
148 	MLX5_REG_PMPE		 = 0x5010,
149 	MLX5_REG_PMAOS		 = 0x5012,
150 	MLX5_REG_PPLM		 = 0x5023,
151 	MLX5_REG_PDDR		 = 0x5031,
152 	MLX5_REG_PBSR		 = 0x5038,
153 	MLX5_REG_PCAM		 = 0x507f,
154 	MLX5_REG_NODE_DESC	 = 0x6001,
155 	MLX5_REG_HOST_ENDIANNESS = 0x7004,
156 	MLX5_REG_MTMP		 = 0x900a,
157 	MLX5_REG_MCIA		 = 0x9014,
158 	MLX5_REG_MFRL		 = 0x9028,
159 	MLX5_REG_MPCNT		 = 0x9051,
160 	MLX5_REG_MCQI		 = 0x9061,
161 	MLX5_REG_MCC		 = 0x9062,
162 	MLX5_REG_MCDA		 = 0x9063,
163 	MLX5_REG_MCAM		 = 0x907f,
164 };
165 
166 enum dbg_rsc_type {
167 	MLX5_DBG_RSC_QP,
168 	MLX5_DBG_RSC_EQ,
169 	MLX5_DBG_RSC_CQ,
170 };
171 
172 enum {
173 	MLX5_INTERFACE_PROTOCOL_IB  = 0,
174 	MLX5_INTERFACE_PROTOCOL_ETH = 1,
175 	MLX5_INTERFACE_NUMBER       = 2,
176 };
177 
178 struct mlx5_field_desc {
179 	struct dentry	       *dent;
180 	int			i;
181 };
182 
183 struct mlx5_rsc_debug {
184 	struct mlx5_core_dev   *dev;
185 	void		       *object;
186 	enum dbg_rsc_type	type;
187 	struct dentry	       *root;
188 	struct mlx5_field_desc	fields[0];
189 };
190 
191 enum mlx5_dev_event {
192 	MLX5_DEV_EVENT_SYS_ERROR,
193 	MLX5_DEV_EVENT_PORT_UP,
194 	MLX5_DEV_EVENT_PORT_DOWN,
195 	MLX5_DEV_EVENT_PORT_INITIALIZED,
196 	MLX5_DEV_EVENT_LID_CHANGE,
197 	MLX5_DEV_EVENT_PKEY_CHANGE,
198 	MLX5_DEV_EVENT_GUID_CHANGE,
199 	MLX5_DEV_EVENT_CLIENT_REREG,
200 	MLX5_DEV_EVENT_VPORT_CHANGE,
201 	MLX5_DEV_EVENT_ERROR_STATE_DCBX,
202 	MLX5_DEV_EVENT_REMOTE_CONFIG_CHANGE,
203 	MLX5_DEV_EVENT_LOCAL_OPER_CHANGE,
204 	MLX5_DEV_EVENT_REMOTE_CONFIG_APPLICATION_PRIORITY_CHANGE,
205 };
206 
207 enum mlx5_port_status {
208 	MLX5_PORT_UP        = 1 << 0,
209 	MLX5_PORT_DOWN      = 1 << 1,
210 };
211 
212 enum {
213 	MLX5_VSC_SPACE_SUPPORTED = 0x1,
214 	MLX5_VSC_SPACE_OFFSET	 = 0x4,
215 	MLX5_VSC_COUNTER_OFFSET	 = 0x8,
216 	MLX5_VSC_SEMA_OFFSET	 = 0xC,
217 	MLX5_VSC_ADDR_OFFSET	 = 0x10,
218 	MLX5_VSC_DATA_OFFSET	 = 0x14,
219 	MLX5_VSC_MAX_RETRIES	 = 0x1000,
220 };
221 
222 #define MLX5_PROT_MASK(link_mode) (1 << link_mode)
223 
224 struct mlx5_cmd_first {
225 	__be32		data[4];
226 };
227 
228 struct cache_ent;
229 struct mlx5_fw_page {
230 	union {
231 		struct rb_node rb_node;
232 		struct list_head list;
233 	};
234 	struct mlx5_cmd_first first;
235 	struct mlx5_core_dev *dev;
236 	bus_dmamap_t dma_map;
237 	bus_addr_t dma_addr;
238 	void *virt_addr;
239 	struct cache_ent *cache;
240 	u32 numpages;
241 	u16 load_done;
242 #define	MLX5_LOAD_ST_NONE 0
243 #define	MLX5_LOAD_ST_SUCCESS 1
244 #define	MLX5_LOAD_ST_FAILURE 2
245 	u16 func_id;
246 };
247 #define	mlx5_cmd_msg mlx5_fw_page
248 
249 struct mlx5_cmd_debug {
250 	struct dentry	       *dbg_root;
251 	struct dentry	       *dbg_in;
252 	struct dentry	       *dbg_out;
253 	struct dentry	       *dbg_outlen;
254 	struct dentry	       *dbg_status;
255 	struct dentry	       *dbg_run;
256 	void		       *in_msg;
257 	void		       *out_msg;
258 	u8			status;
259 	u16			inlen;
260 	u16			outlen;
261 };
262 
263 struct cache_ent {
264 	/* protect block chain allocations
265 	 */
266 	spinlock_t		lock;
267 	struct list_head	head;
268 };
269 
270 struct cmd_msg_cache {
271 	struct cache_ent	large;
272 	struct cache_ent	med;
273 
274 };
275 
276 struct mlx5_traffic_counter {
277 	u64         packets;
278 	u64         octets;
279 };
280 
281 enum mlx5_cmd_mode {
282 	MLX5_CMD_MODE_POLLING,
283 	MLX5_CMD_MODE_EVENTS
284 };
285 
286 struct mlx5_cmd_stats {
287 	u64		sum;
288 	u64		n;
289 	struct dentry  *root;
290 	struct dentry  *avg;
291 	struct dentry  *count;
292 	/* protect command average calculations */
293 	spinlock_t	lock;
294 };
295 
296 struct mlx5_cmd {
297 	struct mlx5_fw_page *cmd_page;
298 	bus_dma_tag_t dma_tag;
299 	struct sx dma_sx;
300 	struct mtx dma_mtx;
301 #define	MLX5_DMA_OWNED(dev) mtx_owned(&(dev)->cmd.dma_mtx)
302 #define	MLX5_DMA_LOCK(dev) mtx_lock(&(dev)->cmd.dma_mtx)
303 #define	MLX5_DMA_UNLOCK(dev) mtx_unlock(&(dev)->cmd.dma_mtx)
304 	struct cv dma_cv;
305 #define	MLX5_DMA_DONE(dev) cv_broadcast(&(dev)->cmd.dma_cv)
306 #define	MLX5_DMA_WAIT(dev) cv_wait(&(dev)->cmd.dma_cv, &(dev)->cmd.dma_mtx)
307 	void	       *cmd_buf;
308 	dma_addr_t	dma;
309 	u16		cmdif_rev;
310 	u8		log_sz;
311 	u8		log_stride;
312 	int		max_reg_cmds;
313 	int		events;
314 	u32 __iomem    *vector;
315 
316 	/* protect command queue allocations
317 	 */
318 	spinlock_t	alloc_lock;
319 
320 	/* protect token allocations
321 	 */
322 	spinlock_t	token_lock;
323 	u8		token;
324 	unsigned long	bitmask;
325 	struct semaphore sem;
326 	struct semaphore pages_sem;
327 	enum mlx5_cmd_mode mode;
328 	struct mlx5_cmd_work_ent * volatile ent_arr[MLX5_MAX_COMMANDS];
329 	volatile enum mlx5_cmd_mode ent_mode[MLX5_MAX_COMMANDS];
330 	struct mlx5_cmd_debug dbg;
331 	struct cmd_msg_cache cache;
332 	int checksum_disabled;
333 	struct mlx5_cmd_stats stats[MLX5_CMD_OP_MAX];
334 };
335 
336 struct mlx5_port_caps {
337 	int	gid_table_len;
338 	int	pkey_table_len;
339 	u8	ext_port_cap;
340 };
341 
342 struct mlx5_buf {
343 	bus_dma_tag_t		dma_tag;
344 	bus_dmamap_t		dma_map;
345 	struct mlx5_core_dev   *dev;
346 	struct {
347 		void	       *buf;
348 	} direct;
349 	u64		       *page_list;
350 	int			npages;
351 	int			size;
352 	u8			page_shift;
353 	u8			load_done;
354 };
355 
356 struct mlx5_frag_buf {
357 	struct mlx5_buf_list	*frags;
358 	int			npages;
359 	int			size;
360 	u8			page_shift;
361 };
362 
363 struct mlx5_eq {
364 	struct mlx5_core_dev   *dev;
365 	__be32 __iomem	       *doorbell;
366 	u32			cons_index;
367 	struct mlx5_buf		buf;
368 	int			size;
369 	u8			irqn;
370 	u8			eqn;
371 	int			nent;
372 	u64			mask;
373 	struct list_head	list;
374 	int			index;
375 	struct mlx5_rsc_debug	*dbg;
376 };
377 
378 struct mlx5_core_psv {
379 	u32	psv_idx;
380 	struct psv_layout {
381 		u32	pd;
382 		u16	syndrome;
383 		u16	reserved;
384 		u16	bg;
385 		u16	app_tag;
386 		u32	ref_tag;
387 	} psv;
388 };
389 
390 struct mlx5_core_sig_ctx {
391 	struct mlx5_core_psv	psv_memory;
392 	struct mlx5_core_psv	psv_wire;
393 	struct ib_sig_err       err_item;
394 	bool			sig_status_checked;
395 	bool			sig_err_exists;
396 	u32			sigerr_count;
397 };
398 
399 enum {
400 	MLX5_MKEY_MR = 1,
401 	MLX5_MKEY_MW,
402 	MLX5_MKEY_INDIRECT_DEVX,
403 };
404 
405 struct mlx5_core_mkey {
406 	u64			iova;
407 	u64			size;
408 	u32			key;
409 	u32			pd;
410 	u32			type;
411 };
412 
413 enum mlx5_res_type {
414 	MLX5_RES_QP	= MLX5_EVENT_QUEUE_TYPE_QP,
415 	MLX5_RES_RQ	= MLX5_EVENT_QUEUE_TYPE_RQ,
416 	MLX5_RES_SQ	= MLX5_EVENT_QUEUE_TYPE_SQ,
417 	MLX5_RES_SRQ	= 3,
418 	MLX5_RES_XSRQ	= 4,
419 	MLX5_RES_XRQ	= 5,
420 	MLX5_RES_DCT	= MLX5_EVENT_QUEUE_TYPE_DCT,
421 };
422 
423 struct mlx5_core_rsc_common {
424 	enum mlx5_res_type	res;
425 	atomic_t		refcount;
426 	struct completion	free;
427 };
428 
429 struct mlx5_uars_page {
430 	void __iomem	       *map;
431 	bool			wc;
432 	u32			index;
433 	struct list_head	list;
434 	unsigned int		bfregs;
435 	unsigned long	       *reg_bitmap; /* for non fast path bf regs */
436 	unsigned long	       *fp_bitmap;
437 	unsigned int		reg_avail;
438 	unsigned int		fp_avail;
439 	struct kref		ref_count;
440 	struct mlx5_core_dev   *mdev;
441 };
442 
443 struct mlx5_bfreg_head {
444 	/* protect blue flame registers allocations */
445 	struct mutex		lock;
446 	struct list_head	list;
447 };
448 
449 struct mlx5_bfreg_data {
450 	struct mlx5_bfreg_head	reg_head;
451 	struct mlx5_bfreg_head	wc_head;
452 };
453 
454 struct mlx5_sq_bfreg {
455 	void __iomem	       *map;
456 	struct mlx5_uars_page  *up;
457 	bool			wc;
458 	u32			index;
459 	unsigned int		offset;
460 };
461 
462 struct mlx5_core_srq {
463 	struct mlx5_core_rsc_common	common; /* must be first */
464 	u32				srqn;
465 	int				max;
466 	size_t				max_gs;
467 	size_t				max_avail_gather;
468 	int				wqe_shift;
469 	void				(*event)(struct mlx5_core_srq *, int);
470 	atomic_t			refcount;
471 	struct completion		free;
472 };
473 
474 struct mlx5_ib_dev;
475 struct mlx5_eq_table {
476 	void __iomem	       *update_ci;
477 	void __iomem	       *update_arm_ci;
478 	struct list_head	comp_eqs_list;
479 	struct mlx5_eq		pages_eq;
480 	struct mlx5_eq		async_eq;
481 	struct mlx5_eq		cmd_eq;
482 	int			num_comp_vectors;
483 	spinlock_t		lock;	/* protect EQs list */
484 	struct mlx5_ib_dev	*dev;	/* for devx event notifier */
485 	bool (*cb)(struct mlx5_core_dev *mdev,
486 		   uint8_t event_type, void *data);
487 };
488 
489 struct mlx5_core_health {
490 	struct mlx5_health_buffer __iomem	*health;
491 	__be32 __iomem		       *health_counter;
492 	struct timer_list		timer;
493 	u32				prev;
494 	int				miss_counter;
495 	u32				fatal_error;
496 	struct workqueue_struct	       *wq_watchdog;
497 	struct work_struct		work_watchdog;
498 	/* wq spinlock to synchronize draining */
499 	spinlock_t			wq_lock;
500 	struct workqueue_struct	       *wq;
501 	unsigned long			flags;
502 	struct work_struct		work;
503 	struct delayed_work		recover_work;
504 	unsigned int			last_reset_req;
505 	struct work_struct		work_cmd_completion;
506 	struct workqueue_struct	       *wq_cmd;
507 };
508 
509 #define	MLX5_CQ_LINEAR_ARRAY_SIZE	1024
510 
511 struct mlx5_cq_linear_array_entry {
512 	struct mlx5_core_cq * volatile cq;
513 };
514 
515 struct mlx5_cq_table {
516 	/* protect radix tree
517 	 */
518 	spinlock_t		writerlock;
519 	atomic_t		writercount;
520 	struct radix_tree_root	tree;
521 	struct mlx5_cq_linear_array_entry linear_array[MLX5_CQ_LINEAR_ARRAY_SIZE];
522 };
523 
524 struct mlx5_qp_table {
525 	/* protect radix tree
526 	 */
527 	spinlock_t		lock;
528 	struct radix_tree_root	tree;
529 };
530 
531 struct mlx5_srq_table {
532 	/* protect radix tree
533 	 */
534 	spinlock_t		lock;
535 	struct radix_tree_root	tree;
536 };
537 
538 struct mlx5_mr_table {
539 	/* protect radix tree
540 	 */
541 	spinlock_t		lock;
542 	struct radix_tree_root	tree;
543 };
544 
545 #ifdef RATELIMIT
546 struct mlx5_rl_entry {
547 	u32			rate;
548 	u16			burst;
549 	u16			index;
550 	u32			qos_handle; /* schedule queue handle */
551 	u32			refcount;
552 };
553 
554 struct mlx5_rl_table {
555 	struct mutex		rl_lock;
556 	u16			max_size;
557 	u32			max_rate;
558 	u32			min_rate;
559 	struct mlx5_rl_entry   *rl_entry;
560 };
561 #endif
562 
563 struct mlx5_pme_stats {
564 	u64			status_counters[MLX5_MODULE_STATUS_NUM];
565 	u64			error_counters[MLX5_MODULE_EVENT_ERROR_NUM];
566 };
567 
568 struct mlx5_priv {
569 	char			name[MLX5_MAX_NAME_LEN];
570 	struct mlx5_eq_table	eq_table;
571 	struct msix_entry	*msix_arr;
572 	MLX5_DECLARE_DOORBELL_LOCK(cq_uar_lock);
573 	int			disable_irqs;
574 
575 	/* pages stuff */
576 	struct workqueue_struct *pg_wq;
577 	struct rb_root		page_root;
578 	s64			fw_pages;
579 	atomic_t		reg_pages;
580 	s64			pages_per_func[MLX5_MAX_NUMBER_OF_VFS];
581 	struct mlx5_core_health health;
582 
583 	struct mlx5_srq_table	srq_table;
584 
585 	/* start: qp staff */
586 	struct mlx5_qp_table	qp_table;
587 	struct dentry	       *qp_debugfs;
588 	struct dentry	       *eq_debugfs;
589 	struct dentry	       *cq_debugfs;
590 	struct dentry	       *cmdif_debugfs;
591 	/* end: qp staff */
592 
593 	/* start: cq staff */
594 	struct mlx5_cq_table	cq_table;
595 	/* end: cq staff */
596 
597 	/* start: mr staff */
598 	struct mlx5_mr_table	mr_table;
599 	/* end: mr staff */
600 
601 	/* start: alloc staff */
602 	int			numa_node;
603 
604 	struct mutex   pgdir_mutex;
605 	struct list_head        pgdir_list;
606 	/* end: alloc staff */
607 	struct dentry	       *dbg_root;
608 
609 	/* protect mkey key part */
610 	spinlock_t		mkey_lock;
611 	u8			mkey_key;
612 
613 	struct list_head        dev_list;
614 	struct list_head        ctx_list;
615 	spinlock_t              ctx_lock;
616 	unsigned long		pci_dev_data;
617 #ifdef RATELIMIT
618 	struct mlx5_rl_table	rl_table;
619 #endif
620 	struct mlx5_pme_stats pme_stats;
621 
622 	struct mlx5_eswitch	*eswitch;
623 
624 	struct mlx5_bfreg_data		bfregs;
625 	struct mlx5_uars_page	       *uar;
626 };
627 
628 enum mlx5_device_state {
629 	MLX5_DEVICE_STATE_UP,
630 	MLX5_DEVICE_STATE_INTERNAL_ERROR,
631 };
632 
633 enum mlx5_interface_state {
634 	MLX5_INTERFACE_STATE_UP = 0x1,
635 	MLX5_INTERFACE_STATE_TEARDOWN = 0x2,
636 };
637 
638 enum mlx5_pci_status {
639 	MLX5_PCI_STATUS_DISABLED,
640 	MLX5_PCI_STATUS_ENABLED,
641 };
642 
643 #define	MLX5_MAX_RESERVED_GIDS	8
644 
645 struct mlx5_rsvd_gids {
646 	unsigned int start;
647 	unsigned int count;
648 	struct ida ida;
649 };
650 
651 struct mlx5_special_contexts {
652 	int resd_lkey;
653 };
654 
655 struct mlx5_flow_root_namespace;
656 struct mlx5_core_dev {
657 	struct pci_dev	       *pdev;
658 	/* sync pci state */
659 	struct mutex		pci_status_mutex;
660 	enum mlx5_pci_status	pci_status;
661 	char			board_id[MLX5_BOARD_ID_LEN];
662 	struct mlx5_cmd		cmd;
663 	struct mlx5_port_caps	port_caps[MLX5_MAX_PORTS];
664 	u32 hca_caps_cur[MLX5_CAP_NUM][MLX5_UN_SZ_DW(hca_cap_union)];
665 	u32 hca_caps_max[MLX5_CAP_NUM][MLX5_UN_SZ_DW(hca_cap_union)];
666 	struct {
667 		u32 pcam[MLX5_ST_SZ_DW(pcam_reg)];
668 		u32 mcam[MLX5_ST_SZ_DW(mcam_reg)];
669 		u32 qcam[MLX5_ST_SZ_DW(qcam_reg)];
670 		u32 fpga[MLX5_ST_SZ_DW(fpga_cap)];
671 	} caps;
672 	phys_addr_t		iseg_base;
673 	struct mlx5_init_seg __iomem *iseg;
674 	enum mlx5_device_state	state;
675 	/* sync interface state */
676 	struct mutex		intf_state_mutex;
677 	unsigned long		intf_state;
678 	void			(*event) (struct mlx5_core_dev *dev,
679 					  enum mlx5_dev_event event,
680 					  unsigned long param);
681 	struct mlx5_priv	priv;
682 	struct mlx5_profile	*profile;
683 	atomic_t		num_qps;
684 	u32			vsc_addr;
685 	u32			issi;
686 	struct mlx5_special_contexts special_contexts;
687 	unsigned int module_status[MLX5_MAX_PORTS];
688 	struct mlx5_flow_root_namespace *root_ns;
689 	struct mlx5_flow_root_namespace *fdb_root_ns;
690 	struct mlx5_flow_root_namespace *esw_egress_root_ns;
691 	struct mlx5_flow_root_namespace *esw_ingress_root_ns;
692 	struct mlx5_flow_root_namespace *sniffer_rx_root_ns;
693 	struct mlx5_flow_root_namespace *sniffer_tx_root_ns;
694 	u32 num_q_counter_allocated[MLX5_INTERFACE_NUMBER];
695 	struct mlx5_crspace_regmap *dump_rege;
696 	uint32_t *dump_data;
697 	unsigned dump_size;
698 	bool dump_valid;
699 	bool dump_copyout;
700 	struct mtx dump_lock;
701 
702 	struct sysctl_ctx_list	sysctl_ctx;
703 	int			msix_eqvec;
704 	int			pwr_status;
705 	int			pwr_value;
706 
707 	struct {
708 		struct mlx5_rsvd_gids	reserved_gids;
709 		atomic_t		roce_en;
710 	} roce;
711 
712 	struct {
713 		spinlock_t	spinlock;
714 #define	MLX5_MPFS_TABLE_MAX 32
715 		long		bitmap[BITS_TO_LONGS(MLX5_MPFS_TABLE_MAX)];
716 	} mpfs;
717 #ifdef CONFIG_MLX5_FPGA
718 	struct mlx5_fpga_device	*fpga;
719 #endif
720 };
721 
722 enum {
723 	MLX5_WOL_DISABLE       = 0,
724 	MLX5_WOL_SECURED_MAGIC = 1 << 1,
725 	MLX5_WOL_MAGIC         = 1 << 2,
726 	MLX5_WOL_ARP           = 1 << 3,
727 	MLX5_WOL_BROADCAST     = 1 << 4,
728 	MLX5_WOL_MULTICAST     = 1 << 5,
729 	MLX5_WOL_UNICAST       = 1 << 6,
730 	MLX5_WOL_PHY_ACTIVITY  = 1 << 7,
731 };
732 
733 struct mlx5_db {
734 	__be32			*db;
735 	union {
736 		struct mlx5_db_pgdir		*pgdir;
737 		struct mlx5_ib_user_db_page	*user_page;
738 	}			u;
739 	dma_addr_t		dma;
740 	int			index;
741 };
742 
743 struct mlx5_net_counters {
744 	u64	packets;
745 	u64	octets;
746 };
747 
748 struct mlx5_ptys_reg {
749 	u8	an_dis_admin;
750 	u8	an_dis_ap;
751 	u8	local_port;
752 	u8	proto_mask;
753 	u32	eth_proto_cap;
754 	u16	ib_link_width_cap;
755 	u16	ib_proto_cap;
756 	u32	eth_proto_admin;
757 	u16	ib_link_width_admin;
758 	u16	ib_proto_admin;
759 	u32	eth_proto_oper;
760 	u16	ib_link_width_oper;
761 	u16	ib_proto_oper;
762 	u32	eth_proto_lp_advertise;
763 };
764 
765 struct mlx5_pvlc_reg {
766 	u8	local_port;
767 	u8	vl_hw_cap;
768 	u8	vl_admin;
769 	u8	vl_operational;
770 };
771 
772 struct mlx5_pmtu_reg {
773 	u8	local_port;
774 	u16	max_mtu;
775 	u16	admin_mtu;
776 	u16	oper_mtu;
777 };
778 
779 struct mlx5_vport_counters {
780 	struct mlx5_net_counters	received_errors;
781 	struct mlx5_net_counters	transmit_errors;
782 	struct mlx5_net_counters	received_ib_unicast;
783 	struct mlx5_net_counters	transmitted_ib_unicast;
784 	struct mlx5_net_counters	received_ib_multicast;
785 	struct mlx5_net_counters	transmitted_ib_multicast;
786 	struct mlx5_net_counters	received_eth_broadcast;
787 	struct mlx5_net_counters	transmitted_eth_broadcast;
788 	struct mlx5_net_counters	received_eth_unicast;
789 	struct mlx5_net_counters	transmitted_eth_unicast;
790 	struct mlx5_net_counters	received_eth_multicast;
791 	struct mlx5_net_counters	transmitted_eth_multicast;
792 };
793 
794 enum {
795 	MLX5_DB_PER_PAGE = MLX5_ADAPTER_PAGE_SIZE / L1_CACHE_BYTES,
796 };
797 
798 struct mlx5_core_dct {
799 	struct mlx5_core_rsc_common	common; /* must be first */
800 	void (*event)(struct mlx5_core_dct *, int);
801 	int			dctn;
802 	struct completion	drained;
803 	struct mlx5_rsc_debug	*dbg;
804 	int			pid;
805 	u16			uid;
806 };
807 
808 enum {
809 	MLX5_COMP_EQ_SIZE = 1024,
810 };
811 
812 enum {
813 	MLX5_PTYS_IB = 1 << 0,
814 	MLX5_PTYS_EN = 1 << 2,
815 };
816 
817 struct mlx5_db_pgdir {
818 	struct list_head	list;
819 	DECLARE_BITMAP(bitmap, MLX5_DB_PER_PAGE);
820 	struct mlx5_fw_page    *fw_page;
821 	__be32		       *db_page;
822 	dma_addr_t		db_dma;
823 };
824 
825 typedef void (*mlx5_cmd_cbk_t)(int status, void *context);
826 
827 struct mlx5_cmd_work_ent {
828 	struct mlx5_cmd_msg    *in;
829 	struct mlx5_cmd_msg    *out;
830 	int			uin_size;
831 	void		       *uout;
832 	int			uout_size;
833 	mlx5_cmd_cbk_t		callback;
834         struct delayed_work     cb_timeout_work;
835 	void		       *context;
836 	int			idx;
837 	struct completion	done;
838 	struct mlx5_cmd        *cmd;
839 	struct work_struct	work;
840 	struct mlx5_cmd_layout *lay;
841 	int			ret;
842 	int			page_queue;
843 	u8			status;
844 	u8			token;
845 	u64			ts1;
846 	u64			ts2;
847 	u16			op;
848 	u8			busy;
849 	bool			polling;
850 };
851 
852 struct mlx5_pas {
853 	u64	pa;
854 	u8	log_sz;
855 };
856 
857 enum port_state_policy {
858 	MLX5_POLICY_DOWN        = 0,
859 	MLX5_POLICY_UP          = 1,
860 	MLX5_POLICY_FOLLOW      = 2,
861 	MLX5_POLICY_INVALID     = 0xffffffff
862 };
863 
864 static inline void *
865 mlx5_buf_offset(struct mlx5_buf *buf, int offset)
866 {
867 	return ((char *)buf->direct.buf + offset);
868 }
869 
870 
871 extern struct workqueue_struct *mlx5_core_wq;
872 
873 #define STRUCT_FIELD(header, field) \
874 	.struct_offset_bytes = offsetof(struct ib_unpacked_ ## header, field),      \
875 	.struct_size_bytes   = sizeof((struct ib_unpacked_ ## header *)0)->field
876 
877 static inline struct mlx5_core_dev *pci2mlx5_core_dev(struct pci_dev *pdev)
878 {
879 	return pci_get_drvdata(pdev);
880 }
881 
882 extern struct dentry *mlx5_debugfs_root;
883 
884 static inline u16 fw_rev_maj(struct mlx5_core_dev *dev)
885 {
886 	return ioread32be(&dev->iseg->fw_rev) & 0xffff;
887 }
888 
889 static inline u16 fw_rev_min(struct mlx5_core_dev *dev)
890 {
891 	return ioread32be(&dev->iseg->fw_rev) >> 16;
892 }
893 
894 static inline u16 fw_rev_sub(struct mlx5_core_dev *dev)
895 {
896 	return ioread32be(&dev->iseg->cmdif_rev_fw_sub) & 0xffff;
897 }
898 
899 static inline u16 cmdif_rev_get(struct mlx5_core_dev *dev)
900 {
901 	return ioread32be(&dev->iseg->cmdif_rev_fw_sub) >> 16;
902 }
903 
904 static inline int mlx5_get_gid_table_len(u16 param)
905 {
906 	if (param > 4) {
907 		printf("M4_CORE_DRV_NAME: WARN: ""gid table length is zero\n");
908 		return 0;
909 	}
910 
911 	return 8 * (1 << param);
912 }
913 
914 static inline void *mlx5_vzalloc(unsigned long size)
915 {
916 	void *rtn;
917 
918 	rtn = kzalloc(size, GFP_KERNEL | __GFP_NOWARN);
919 	return rtn;
920 }
921 
922 static inline void *mlx5_vmalloc(unsigned long size)
923 {
924 	void *rtn;
925 
926 	rtn = kmalloc(size, GFP_KERNEL | __GFP_NOWARN);
927 	if (!rtn)
928 		rtn = vmalloc(size);
929 	return rtn;
930 }
931 
932 static inline u32 mlx5_base_mkey(const u32 key)
933 {
934 	return key & 0xffffff00u;
935 }
936 
937 int mlx5_cmd_init(struct mlx5_core_dev *dev);
938 void mlx5_cmd_cleanup(struct mlx5_core_dev *dev);
939 void mlx5_cmd_use_events(struct mlx5_core_dev *dev);
940 void mlx5_cmd_use_polling(struct mlx5_core_dev *dev);
941 void mlx5_cmd_mbox_status(void *out, u8 *status, u32 *syndrome);
942 int mlx5_core_get_caps(struct mlx5_core_dev *dev, enum mlx5_cap_type cap_type);
943 
944 struct mlx5_async_ctx {
945 	struct mlx5_core_dev *dev;
946 	atomic_t num_inflight;
947 	struct wait_queue_head wait;
948 };
949 
950 struct mlx5_async_work;
951 
952 typedef void (*mlx5_async_cbk_t)(int status, struct mlx5_async_work *context);
953 
954 struct mlx5_async_work {
955 	struct mlx5_async_ctx *ctx;
956 	mlx5_async_cbk_t user_callback;
957 };
958 
959 void mlx5_cmd_init_async_ctx(struct mlx5_core_dev *dev,
960 			     struct mlx5_async_ctx *ctx);
961 void mlx5_cmd_cleanup_async_ctx(struct mlx5_async_ctx *ctx);
962 int mlx5_cmd_exec_cb(struct mlx5_async_ctx *ctx, void *in, int in_size,
963 		     void *out, int out_size, mlx5_async_cbk_t callback,
964 		     struct mlx5_async_work *work);
965 int mlx5_cmd_exec(struct mlx5_core_dev *dev, void *in, int in_size, void *out,
966 		  int out_size);
967 int mlx5_cmd_exec_polling(struct mlx5_core_dev *dev, void *in, int in_size,
968 			  void *out, int out_size);
969 int mlx5_cmd_alloc_uar(struct mlx5_core_dev *dev, u32 *uarn);
970 int mlx5_cmd_free_uar(struct mlx5_core_dev *dev, u32 uarn);
971 int mlx5_alloc_bfreg(struct mlx5_core_dev *mdev, struct mlx5_sq_bfreg *bfreg,
972 		     bool map_wc, bool fast_path);
973 void mlx5_free_bfreg(struct mlx5_core_dev *mdev, struct mlx5_sq_bfreg *bfreg);
974 struct mlx5_uars_page *mlx5_get_uars_page(struct mlx5_core_dev *mdev);
975 void mlx5_put_uars_page(struct mlx5_core_dev *mdev, struct mlx5_uars_page *up);
976 void mlx5_health_cleanup(struct mlx5_core_dev *dev);
977 int mlx5_health_init(struct mlx5_core_dev *dev);
978 void mlx5_start_health_poll(struct mlx5_core_dev *dev);
979 void mlx5_stop_health_poll(struct mlx5_core_dev *dev, bool disable_health);
980 void mlx5_drain_health_wq(struct mlx5_core_dev *dev);
981 void mlx5_drain_health_recovery(struct mlx5_core_dev *dev);
982 void mlx5_trigger_health_work(struct mlx5_core_dev *dev);
983 void mlx5_trigger_health_watchdog(struct mlx5_core_dev *dev);
984 
985 int mlx5_buf_alloc(struct mlx5_core_dev *dev, int size, int max_direct,
986 		   struct mlx5_buf *buf);
987 void mlx5_buf_free(struct mlx5_core_dev *dev, struct mlx5_buf *buf);
988 int mlx5_core_create_srq(struct mlx5_core_dev *dev, struct mlx5_core_srq *srq,
989 			 struct mlx5_srq_attr *in);
990 int mlx5_core_destroy_srq(struct mlx5_core_dev *dev, struct mlx5_core_srq *srq);
991 int mlx5_core_query_srq(struct mlx5_core_dev *dev, struct mlx5_core_srq *srq,
992 			struct mlx5_srq_attr *out);
993 int mlx5_core_query_vendor_id(struct mlx5_core_dev *mdev, u32 *vendor_id);
994 int mlx5_core_arm_srq(struct mlx5_core_dev *dev, struct mlx5_core_srq *srq,
995 		      u16 lwm, int is_srq);
996 void mlx5_init_mr_table(struct mlx5_core_dev *dev);
997 void mlx5_cleanup_mr_table(struct mlx5_core_dev *dev);
998 int mlx5_core_create_mkey_cb(struct mlx5_core_dev *dev,
999 			     struct mlx5_core_mkey *mkey,
1000 			     struct mlx5_async_ctx *async_ctx, u32 *in,
1001 			     int inlen, u32 *out, int outlen,
1002 			     mlx5_async_cbk_t callback,
1003 			     struct mlx5_async_work *context);
1004 int mlx5_core_create_mkey(struct mlx5_core_dev *dev,
1005 			  struct mlx5_core_mkey *mr,
1006 			  u32 *in, int inlen);
1007 int mlx5_core_destroy_mkey(struct mlx5_core_dev *dev, struct mlx5_core_mkey *mkey);
1008 int mlx5_core_query_mkey(struct mlx5_core_dev *dev, struct mlx5_core_mkey *mkey,
1009 			 u32 *out, int outlen);
1010 int mlx5_core_dump_fill_mkey(struct mlx5_core_dev *dev, struct mlx5_core_mkey *mr,
1011 			     u32 *mkey);
1012 int mlx5_core_alloc_pd(struct mlx5_core_dev *dev, u32 *pdn, u16 uid);
1013 int mlx5_core_dealloc_pd(struct mlx5_core_dev *dev, u32 pdn, u16 uid);
1014 int mlx5_core_mad_ifc(struct mlx5_core_dev *dev, const void *inb, void *outb,
1015 		      u16 opmod, u8 port);
1016 void mlx5_fwp_flush(struct mlx5_fw_page *fwp);
1017 void mlx5_fwp_invalidate(struct mlx5_fw_page *fwp);
1018 struct mlx5_fw_page *mlx5_fwp_alloc(struct mlx5_core_dev *dev, gfp_t flags, unsigned num);
1019 void mlx5_fwp_free(struct mlx5_fw_page *fwp);
1020 u64 mlx5_fwp_get_dma(struct mlx5_fw_page *fwp, size_t offset);
1021 void *mlx5_fwp_get_virt(struct mlx5_fw_page *fwp, size_t offset);
1022 void mlx5_pagealloc_init(struct mlx5_core_dev *dev);
1023 void mlx5_pagealloc_cleanup(struct mlx5_core_dev *dev);
1024 int mlx5_pagealloc_start(struct mlx5_core_dev *dev);
1025 void mlx5_pagealloc_stop(struct mlx5_core_dev *dev);
1026 void mlx5_core_req_pages_handler(struct mlx5_core_dev *dev, u16 func_id,
1027 				 s32 npages);
1028 int mlx5_satisfy_startup_pages(struct mlx5_core_dev *dev, int boot);
1029 int mlx5_reclaim_startup_pages(struct mlx5_core_dev *dev);
1030 s64 mlx5_wait_for_reclaim_vfs_pages(struct mlx5_core_dev *dev);
1031 void mlx5_register_debugfs(void);
1032 void mlx5_unregister_debugfs(void);
1033 int mlx5_eq_init(struct mlx5_core_dev *dev);
1034 void mlx5_eq_cleanup(struct mlx5_core_dev *dev);
1035 void mlx5_fill_page_array(struct mlx5_buf *buf, __be64 *pas);
1036 void mlx5_cq_completion(struct mlx5_core_dev *dev, struct mlx5_eqe *eqe);
1037 void mlx5_rsc_event(struct mlx5_core_dev *dev, u32 rsn, int event_type);
1038 void mlx5_srq_event(struct mlx5_core_dev *dev, u32 srqn, int event_type);
1039 struct mlx5_core_srq *mlx5_core_get_srq(struct mlx5_core_dev *dev, u32 srqn);
1040 void mlx5_cmd_comp_handler(struct mlx5_core_dev *dev, u64 vector, enum mlx5_cmd_mode mode);
1041 void mlx5_cq_event(struct mlx5_core_dev *dev, u32 cqn, int event_type);
1042 int mlx5_create_map_eq(struct mlx5_core_dev *dev, struct mlx5_eq *eq, u8 vecidx,
1043 		       int nent, u64 mask);
1044 int mlx5_destroy_unmap_eq(struct mlx5_core_dev *dev, struct mlx5_eq *eq);
1045 int mlx5_start_eqs(struct mlx5_core_dev *dev);
1046 int mlx5_stop_eqs(struct mlx5_core_dev *dev);
1047 int mlx5_vector2eqn(struct mlx5_core_dev *dev, int vector, int *eqn, int *irqn);
1048 int mlx5_core_attach_mcg(struct mlx5_core_dev *dev, union ib_gid *mgid, u32 qpn);
1049 int mlx5_core_detach_mcg(struct mlx5_core_dev *dev, union ib_gid *mgid, u32 qpn);
1050 int mlx5_core_set_dc_cnak_trace(struct mlx5_core_dev *dev, int enable,
1051 				u64 addr);
1052 
1053 int mlx5_qp_debugfs_init(struct mlx5_core_dev *dev);
1054 void mlx5_qp_debugfs_cleanup(struct mlx5_core_dev *dev);
1055 int mlx5_core_access_reg(struct mlx5_core_dev *dev, void *data_in,
1056 			 int size_in, void *data_out, int size_out,
1057 			 u16 reg_num, int arg, int write);
1058 
1059 void mlx5_toggle_port_link(struct mlx5_core_dev *dev);
1060 
1061 int mlx5_debug_eq_add(struct mlx5_core_dev *dev, struct mlx5_eq *eq);
1062 void mlx5_debug_eq_remove(struct mlx5_core_dev *dev, struct mlx5_eq *eq);
1063 int mlx5_core_eq_query(struct mlx5_core_dev *dev, struct mlx5_eq *eq,
1064 		       u32 *out, int outlen);
1065 int mlx5_eq_debugfs_init(struct mlx5_core_dev *dev);
1066 void mlx5_eq_debugfs_cleanup(struct mlx5_core_dev *dev);
1067 int mlx5_cq_debugfs_init(struct mlx5_core_dev *dev);
1068 void mlx5_cq_debugfs_cleanup(struct mlx5_core_dev *dev);
1069 int mlx5_db_alloc(struct mlx5_core_dev *dev, struct mlx5_db *db);
1070 void mlx5_db_free(struct mlx5_core_dev *dev, struct mlx5_db *db);
1071 
1072 static inline struct domainset *
1073 mlx5_dev_domainset(struct mlx5_core_dev *mdev)
1074 {
1075 	return (linux_get_vm_domain_set(mdev->priv.numa_node));
1076 }
1077 
1078 const char *mlx5_command_str(int command);
1079 int mlx5_cmdif_debugfs_init(struct mlx5_core_dev *dev);
1080 void mlx5_cmdif_debugfs_cleanup(struct mlx5_core_dev *dev);
1081 int mlx5_core_create_psv(struct mlx5_core_dev *dev, u32 pdn,
1082 			 int npsvs, u32 *sig_index);
1083 int mlx5_core_destroy_psv(struct mlx5_core_dev *dev, int psv_num);
1084 void mlx5_core_put_rsc(struct mlx5_core_rsc_common *common);
1085 u8 mlx5_is_wol_supported(struct mlx5_core_dev *dev);
1086 int mlx5_set_wol(struct mlx5_core_dev *dev, u8 wol_mode);
1087 int mlx5_set_dropless_mode(struct mlx5_core_dev *dev, u16 timeout);
1088 int mlx5_query_dropless_mode(struct mlx5_core_dev *dev, u16 *timeout);
1089 int mlx5_query_wol(struct mlx5_core_dev *dev, u8 *wol_mode);
1090 int mlx5_core_access_pvlc(struct mlx5_core_dev *dev,
1091 			  struct mlx5_pvlc_reg *pvlc, int write);
1092 int mlx5_core_access_ptys(struct mlx5_core_dev *dev,
1093 			  struct mlx5_ptys_reg *ptys, int write);
1094 int mlx5_core_access_pmtu(struct mlx5_core_dev *dev,
1095 			  struct mlx5_pmtu_reg *pmtu, int write);
1096 int mlx5_vxlan_udp_port_add(struct mlx5_core_dev *dev, u16 port);
1097 int mlx5_vxlan_udp_port_delete(struct mlx5_core_dev *dev, u16 port);
1098 int mlx5_query_port_cong_status(struct mlx5_core_dev *mdev, int protocol,
1099 				int priority, int *is_enable);
1100 int mlx5_modify_port_cong_status(struct mlx5_core_dev *mdev, int protocol,
1101 				 int priority, int enable);
1102 int mlx5_query_port_cong_params(struct mlx5_core_dev *mdev, int protocol,
1103 				void *out, int out_size);
1104 int mlx5_modify_port_cong_params(struct mlx5_core_dev *mdev,
1105 				 void *in, int in_size);
1106 int mlx5_query_port_cong_statistics(struct mlx5_core_dev *mdev, int clear,
1107 				    void *out, int out_size);
1108 int mlx5_set_diagnostic_params(struct mlx5_core_dev *mdev, void *in,
1109 			       int in_size);
1110 int mlx5_query_diagnostic_counters(struct mlx5_core_dev *mdev,
1111 				   u8 num_of_samples, u16 sample_index,
1112 				   void *out, int out_size);
1113 int mlx5_vsc_find_cap(struct mlx5_core_dev *mdev);
1114 int mlx5_vsc_lock(struct mlx5_core_dev *mdev);
1115 void mlx5_vsc_unlock(struct mlx5_core_dev *mdev);
1116 int mlx5_vsc_set_space(struct mlx5_core_dev *mdev, u16 space);
1117 int mlx5_vsc_wait_on_flag(struct mlx5_core_dev *mdev, u32 expected);
1118 int mlx5_vsc_write(struct mlx5_core_dev *mdev, u32 addr, const u32 *data);
1119 int mlx5_vsc_read(struct mlx5_core_dev *mdev, u32 addr, u32 *data);
1120 int mlx5_vsc_lock_addr_space(struct mlx5_core_dev *mdev, u32 addr);
1121 int mlx5_vsc_unlock_addr_space(struct mlx5_core_dev *mdev, u32 addr);
1122 int mlx5_pci_read_power_status(struct mlx5_core_dev *mdev,
1123 			       u16 *p_power, u8 *p_status);
1124 
1125 static inline u32 mlx5_mkey_to_idx(u32 mkey)
1126 {
1127 	return mkey >> 8;
1128 }
1129 
1130 static inline u32 mlx5_idx_to_mkey(u32 mkey_idx)
1131 {
1132 	return mkey_idx << 8;
1133 }
1134 
1135 static inline u8 mlx5_mkey_variant(u32 mkey)
1136 {
1137 	return mkey & 0xff;
1138 }
1139 
1140 enum {
1141 	MLX5_PROF_MASK_QP_SIZE		= (u64)1 << 0,
1142 	MLX5_PROF_MASK_MR_CACHE		= (u64)1 << 1,
1143 };
1144 
1145 enum {
1146 	MAX_MR_CACHE_ENTRIES    = 15,
1147 };
1148 
1149 struct mlx5_interface {
1150 	void *			(*add)(struct mlx5_core_dev *dev);
1151 	void			(*remove)(struct mlx5_core_dev *dev, void *context);
1152 	void			(*event)(struct mlx5_core_dev *dev, void *context,
1153 					 enum mlx5_dev_event event, unsigned long param);
1154 	void *                  (*get_dev)(void *context);
1155 	int			protocol;
1156 	struct list_head	list;
1157 };
1158 
1159 void *mlx5_get_protocol_dev(struct mlx5_core_dev *mdev, int protocol);
1160 int mlx5_register_interface(struct mlx5_interface *intf);
1161 void mlx5_unregister_interface(struct mlx5_interface *intf);
1162 
1163 unsigned int mlx5_core_reserved_gids_count(struct mlx5_core_dev *dev);
1164 int mlx5_core_roce_gid_set(struct mlx5_core_dev *dev, unsigned int index,
1165     u8 roce_version, u8 roce_l3_type, const u8 *gid,
1166     const u8 *mac, bool vlan, u16 vlan_id);
1167 
1168 struct mlx5_profile {
1169 	u64	mask;
1170 	u8	log_max_qp;
1171 	struct {
1172 		int	size;
1173 		int	limit;
1174 	} mr_cache[MAX_MR_CACHE_ENTRIES];
1175 };
1176 
1177 enum {
1178 	MLX5_PCI_DEV_IS_VF		= 1 << 0,
1179 };
1180 
1181 enum {
1182 	MLX5_TRIGGERED_CMD_COMP = (u64)1 << 32,
1183 };
1184 
1185 static inline int mlx5_core_is_pf(struct mlx5_core_dev *dev)
1186 {
1187 	return !(dev->priv.pci_dev_data & MLX5_PCI_DEV_IS_VF);
1188 }
1189 #ifdef RATELIMIT
1190 int mlx5_init_rl_table(struct mlx5_core_dev *dev);
1191 void mlx5_cleanup_rl_table(struct mlx5_core_dev *dev);
1192 int mlx5_rl_add_rate(struct mlx5_core_dev *dev, u32 rate, u32 burst, u16 *index);
1193 void mlx5_rl_remove_rate(struct mlx5_core_dev *dev, u32 rate, u32 burst);
1194 bool mlx5_rl_is_in_range(const struct mlx5_core_dev *dev, u32 rate, u32 burst);
1195 int mlx5e_query_rate_limit_cmd(struct mlx5_core_dev *dev, u16 index, u32 *scq_handle);
1196 
1197 static inline u32 mlx5_rl_get_scq_handle(struct mlx5_core_dev *dev, uint16_t index)
1198 {
1199 	KASSERT(index > 0,
1200 	    ("invalid rate index for sq remap, failed retrieving SCQ handle"));
1201 
1202         return (dev->priv.rl_table.rl_entry[index - 1].qos_handle);
1203 }
1204 
1205 static inline bool mlx5_rl_is_supported(struct mlx5_core_dev *dev)
1206 {
1207 	return !!(dev->priv.rl_table.max_size);
1208 }
1209 #endif
1210 
1211 void mlx5_disable_interrupts(struct mlx5_core_dev *);
1212 void mlx5_poll_interrupts(struct mlx5_core_dev *);
1213 
1214 static inline int mlx5_get_qp_default_ts(struct mlx5_core_dev *dev)
1215 {
1216         return !MLX5_CAP_ROCE(dev, qp_ts_format) ?
1217                        MLX5_QPC_TIMESTAMP_FORMAT_FREE_RUNNING :
1218                        MLX5_QPC_TIMESTAMP_FORMAT_DEFAULT;
1219 }
1220 
1221 static inline int mlx5_get_rq_default_ts(struct mlx5_core_dev *dev)
1222 {
1223         return !MLX5_CAP_GEN(dev, rq_ts_format) ?
1224                        MLX5_RQC_TIMESTAMP_FORMAT_FREE_RUNNING :
1225                        MLX5_RQC_TIMESTAMP_FORMAT_DEFAULT;
1226 }
1227 
1228 static inline int mlx5_get_sq_default_ts(struct mlx5_core_dev *dev)
1229 {
1230         return !MLX5_CAP_GEN(dev, sq_ts_format) ?
1231                        MLX5_SQC_TIMESTAMP_FORMAT_FREE_RUNNING :
1232                        MLX5_SQC_TIMESTAMP_FORMAT_DEFAULT;
1233 }
1234 
1235 #endif /* MLX5_DRIVER_H */
1236