xref: /freebsd/sys/dev/mlx4/mlx4_core/mlx4.h (revision b18c5108)
1 /*
2  * Copyright (c) 2004, 2005 Topspin Communications.  All rights reserved.
3  * Copyright (c) 2005 Sun Microsystems, Inc. All rights reserved.
4  * Copyright (c) 2005, 2006, 2007 Cisco Systems.  All rights reserved.
5  * Copyright (c) 2005, 2006, 2007, 2008, 2014 Mellanox Technologies. All rights reserved.
6  * Copyright (c) 2004 Voltaire, Inc. All rights reserved.
7  *
8  * This software is available to you under a choice of one of two
9  * licenses.  You may choose to be licensed under the terms of the GNU
10  * General Public License (GPL) Version 2, available from the file
11  * COPYING in the main directory of this source tree, or the
12  * OpenIB.org BSD license below:
13  *
14  *     Redistribution and use in source and binary forms, with or
15  *     without modification, are permitted provided that the following
16  *     conditions are met:
17  *
18  *      - Redistributions of source code must retain the above
19  *        copyright notice, this list of conditions and the following
20  *        disclaimer.
21  *
22  *      - Redistributions in binary form must reproduce the above
23  *        copyright notice, this list of conditions and the following
24  *        disclaimer in the documentation and/or other materials
25  *        provided with the distribution.
26  *
27  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
28  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
29  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
30  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
31  * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
32  * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
33  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
34  * SOFTWARE.
35  */
36 
37 #ifndef MLX4_H
38 #define MLX4_H
39 
40 #include <linux/mutex.h>
41 #include <linux/radix-tree.h>
42 #include <linux/rbtree.h>
43 #include <linux/timer.h>
44 #include <linux/semaphore.h>
45 #include <linux/workqueue.h>
46 #include <linux/device.h>
47 #include <linux/rwsem.h>
48 #include <dev/mlx4/device.h>
49 #include <dev/mlx4/driver.h>
50 #include <dev/mlx4/doorbell.h>
51 #include <dev/mlx4/cmd.h>
52 #include <dev/mlx4/mlx4_core/fw_qos.h>
53 
54 #define DRV_NAME	"mlx4_core"
55 #define PFX		DRV_NAME ": "
56 #ifndef DRV_VERSION
57 #define DRV_VERSION	"3.7.1"
58 #endif
59 #define DRV_RELDATE	"November 2021"
60 
61 #define MLX4_FS_UDP_UC_EN		(1 << 1)
62 #define MLX4_FS_TCP_UC_EN		(1 << 2)
63 #define MLX4_FS_NUM_OF_L2_ADDR		8
64 #define MLX4_FS_MGM_LOG_ENTRY_SIZE	7
65 #define MLX4_FS_NUM_MCG			(1 << 17)
66 
67 #define INIT_HCA_TPT_MW_ENABLE          (1 << 7)
68 
69 #define MLX4_QUERY_IF_STAT_RESET	BIT(31)
70 
71 enum {
72 	MLX4_HCR_BASE		= 0x80680,
73 	MLX4_HCR_SIZE		= 0x0001c,
74 	MLX4_CLR_INT_SIZE	= 0x00008,
75 	MLX4_SLAVE_COMM_BASE	= 0x0,
76 	MLX4_COMM_PAGESIZE	= 0x1000,
77 	MLX4_CLOCK_SIZE		= 0x00008,
78 	MLX4_COMM_CHAN_CAPS	= 0x8,
79 	MLX4_COMM_CHAN_FLAGS	= 0xc
80 };
81 
82 enum {
83 	MLX4_DEFAULT_MGM_LOG_ENTRY_SIZE = 10,
84 	MLX4_MIN_MGM_LOG_ENTRY_SIZE = 7,
85 	MLX4_MAX_MGM_LOG_ENTRY_SIZE = 12,
86 	MLX4_MAX_QP_PER_MGM = 4 * ((1 << MLX4_MAX_MGM_LOG_ENTRY_SIZE) / 16 - 2),
87 	MLX4_MTT_ENTRY_PER_SEG	= 8,
88 };
89 
90 enum {
91 	MLX4_NUM_PDS		= 1 << 15
92 };
93 
94 enum {
95 	MLX4_CMPT_TYPE_QP	= 0,
96 	MLX4_CMPT_TYPE_SRQ	= 1,
97 	MLX4_CMPT_TYPE_CQ	= 2,
98 	MLX4_CMPT_TYPE_EQ	= 3,
99 	MLX4_CMPT_NUM_TYPE
100 };
101 
102 enum {
103 	MLX4_CMPT_SHIFT		= 24,
104 	MLX4_NUM_CMPTS		= MLX4_CMPT_NUM_TYPE << MLX4_CMPT_SHIFT
105 };
106 
107 enum mlx4_mpt_state {
108 	MLX4_MPT_DISABLED = 0,
109 	MLX4_MPT_EN_HW,
110 	MLX4_MPT_EN_SW
111 };
112 
113 #define MLX4_COMM_TIME		10000
114 #define MLX4_COMM_OFFLINE_TIME_OUT 30000
115 #define MLX4_COMM_CMD_NA_OP    0x0
116 
117 
118 enum {
119 	MLX4_COMM_CMD_RESET,
120 	MLX4_COMM_CMD_VHCR0,
121 	MLX4_COMM_CMD_VHCR1,
122 	MLX4_COMM_CMD_VHCR2,
123 	MLX4_COMM_CMD_VHCR_EN,
124 	MLX4_COMM_CMD_VHCR_POST,
125 	MLX4_COMM_CMD_FLR = 254
126 };
127 
128 enum {
129 	MLX4_VF_SMI_DISABLED,
130 	MLX4_VF_SMI_ENABLED
131 };
132 
133 /*The flag indicates that the slave should delay the RESET cmd*/
134 #define MLX4_DELAY_RESET_SLAVE 0xbbbbbbb
135 /*indicates how many retries will be done if we are in the middle of FLR*/
136 #define NUM_OF_RESET_RETRIES	10
137 #define SLEEP_TIME_IN_RESET	(2 * 1000)
138 enum mlx4_resource {
139 	RES_QP,
140 	RES_CQ,
141 	RES_SRQ,
142 	RES_XRCD,
143 	RES_MPT,
144 	RES_MTT,
145 	RES_MAC,
146 	RES_VLAN,
147 	RES_NPORT_ID,
148 	RES_COUNTER,
149 	RES_FS_RULE,
150 	RES_EQ,
151 	MLX4_NUM_OF_RESOURCE_TYPE
152 };
153 
154 enum mlx4_alloc_mode {
155 	RES_OP_RESERVE,
156 	RES_OP_RESERVE_AND_MAP,
157 	RES_OP_MAP_ICM,
158 };
159 
160 enum mlx4_res_tracker_free_type {
161 	RES_TR_FREE_ALL,
162 	RES_TR_FREE_SLAVES_ONLY,
163 	RES_TR_FREE_STRUCTS_ONLY,
164 };
165 
166 /*
167  *Virtual HCR structures.
168  * mlx4_vhcr is the sw representation, in machine endianness
169  *
170  * mlx4_vhcr_cmd is the formalized structure, the one that is passed
171  * to FW to go through communication channel.
172  * It is big endian, and has the same structure as the physical HCR
173  * used by command interface
174  */
175 struct mlx4_vhcr {
176 	u64	in_param;
177 	u64	out_param;
178 	u32	in_modifier;
179 	u32	errno;
180 	u16	op;
181 	u16	token;
182 	u8	op_modifier;
183 	u8	e_bit;
184 };
185 
186 struct mlx4_vhcr_cmd {
187 	__be64 in_param;
188 	__be32 in_modifier;
189 	u32 reserved1;
190 	__be64 out_param;
191 	__be16 token;
192 	u16 reserved;
193 	u8 status;
194 	u8 flags;
195 	__be16 opcode;
196 };
197 
198 struct mlx4_cmd_info {
199 	u16 opcode;
200 	bool has_inbox;
201 	bool has_outbox;
202 	bool out_is_imm;
203 	bool encode_slave_id;
204 	int (*verify)(struct mlx4_dev *dev, int slave, struct mlx4_vhcr *vhcr,
205 		      struct mlx4_cmd_mailbox *inbox);
206 	int (*wrapper)(struct mlx4_dev *dev, int slave, struct mlx4_vhcr *vhcr,
207 		       struct mlx4_cmd_mailbox *inbox,
208 		       struct mlx4_cmd_mailbox *outbox,
209 		       struct mlx4_cmd_info *cmd);
210 };
211 
212 #ifdef CONFIG_MLX4_DEBUG
213 extern int mlx4_debug_level;
214 #else /* CONFIG_MLX4_DEBUG */
215 #define mlx4_debug_level	(0)
216 #endif /* CONFIG_MLX4_DEBUG */
217 
218 #define mlx4_dbg(mdev, format, ...)					\
219 do {									\
220 	if (mlx4_debug_level)						\
221 		dev_printk(KERN_DEBUG,					\
222 			   &(mdev)->persist->pdev->dev, format,		\
223 			   ##__VA_ARGS__);				\
224 } while (0)
225 
226 #define mlx4_err(mdev, format, ...)					\
227 	dev_err(&(mdev)->persist->pdev->dev, format, ##__VA_ARGS__)
228 #define mlx4_info(mdev, format, ...)					\
229 	dev_info(&(mdev)->persist->pdev->dev, format, ##__VA_ARGS__)
230 #define mlx4_warn(mdev, format, ...)					\
231 	dev_warn(&(mdev)->persist->pdev->dev, format, ##__VA_ARGS__)
232 
233 extern int mlx4_log_num_mgm_entry_size;
234 extern int log_mtts_per_seg;
235 extern int mlx4_internal_err_reset;
236 
237 #define MLX4_MAX_NUM_SLAVES	(min(MLX4_MAX_NUM_PF + MLX4_MAX_NUM_VF, \
238 				     MLX4_MFUNC_MAX))
239 #define ALL_SLAVES 0xff
240 
241 struct mlx4_bitmap {
242 	u32			last;
243 	u32			top;
244 	u32			max;
245 	u32                     reserved_top;
246 	u32			mask;
247 	u32			avail;
248 	u32			effective_len;
249 	spinlock_t		lock;
250 	unsigned long	       *table;
251 };
252 
253 struct mlx4_buddy {
254 	unsigned long	      **bits;
255 	unsigned int	       *num_free;
256 	u32			max_order;
257 	spinlock_t		lock;
258 };
259 
260 struct mlx4_icm;
261 
262 struct mlx4_icm_table {
263 	u64			virt;
264 	int			num_icm;
265 	u32			num_obj;
266 	int			obj_size;
267 	int			lowmem;
268 	int			coherent;
269 	struct mutex		mutex;
270 	struct mlx4_icm	      **icm;
271 };
272 
273 #define MLX4_MPT_FLAG_SW_OWNS	    (0xfUL << 28)
274 #define MLX4_MPT_FLAG_FREE	    (0x3UL << 28)
275 #define MLX4_MPT_FLAG_MIO	    (1 << 17)
276 #define MLX4_MPT_FLAG_BIND_ENABLE   (1 << 15)
277 #define MLX4_MPT_FLAG_PHYSICAL	    (1 <<  9)
278 #define MLX4_MPT_FLAG_REGION	    (1 <<  8)
279 
280 #define MLX4_MPT_PD_MASK	    (0x1FFFFUL)
281 #define MLX4_MPT_PD_VF_MASK	    (0xFE0000UL)
282 #define MLX4_MPT_PD_FLAG_FAST_REG   (1 << 27)
283 #define MLX4_MPT_PD_FLAG_RAE	    (1 << 28)
284 #define MLX4_MPT_PD_FLAG_EN_INV	    (3 << 24)
285 
286 #define MLX4_MPT_QP_FLAG_BOUND_QP   (1 << 7)
287 
288 #define MLX4_MPT_STATUS_SW		0xF0
289 #define MLX4_MPT_STATUS_HW		0x00
290 
291 #define MLX4_CQE_SIZE_MASK_STRIDE	0x3
292 #define MLX4_EQE_SIZE_MASK_STRIDE	0x30
293 
294 #define MLX4_EQ_ASYNC			0
295 #define MLX4_EQ_TO_CQ_VECTOR(vector)	((vector) - \
296 					 !!((int)(vector) >= MLX4_EQ_ASYNC))
297 #define MLX4_CQ_TO_EQ_VECTOR(vector)	((vector) + \
298 					 !!((int)(vector) >= MLX4_EQ_ASYNC))
299 
300 /*
301  * Must be packed because mtt_seg is 64 bits but only aligned to 32 bits.
302  */
303 struct mlx4_mpt_entry {
304 	__be32 flags;
305 	__be32 qpn;
306 	__be32 key;
307 	__be32 pd_flags;
308 	__be64 start;
309 	__be64 length;
310 	__be32 lkey;
311 	__be32 win_cnt;
312 	u8	reserved1[3];
313 	u8	mtt_rep;
314 	__be64 mtt_addr;
315 	__be32 mtt_sz;
316 	__be32 entity_size;
317 	__be32 first_byte_offset;
318 } __packed;
319 
320 /*
321  * Must be packed because start is 64 bits but only aligned to 32 bits.
322  */
323 struct mlx4_eq_context {
324 	__be32			flags;
325 	u16			reserved1[3];
326 	__be16			page_offset;
327 	u8			log_eq_size;
328 	u8			reserved2[4];
329 	u8			eq_period;
330 	u8			reserved3;
331 	u8			eq_max_count;
332 	u8			reserved4[3];
333 	u8			intr;
334 	u8			log_page_size;
335 	u8			reserved5[2];
336 	u8			mtt_base_addr_h;
337 	__be32			mtt_base_addr_l;
338 	u32			reserved6[2];
339 	__be32			consumer_index;
340 	__be32			producer_index;
341 	u32			reserved7[4];
342 };
343 
344 struct mlx4_cq_context {
345 	__be32			flags;
346 	u16			reserved1[3];
347 	__be16			page_offset;
348 	__be32			logsize_usrpage;
349 	__be16			cq_period;
350 	__be16			cq_max_count;
351 	u8			reserved2[3];
352 	u8			comp_eqn;
353 	u8			log_page_size;
354 	u8			reserved3[2];
355 	u8			mtt_base_addr_h;
356 	__be32			mtt_base_addr_l;
357 	__be32			last_notified_index;
358 	__be32			solicit_producer_index;
359 	__be32			consumer_index;
360 	__be32			producer_index;
361 	u32			reserved4[2];
362 	__be64			db_rec_addr;
363 };
364 
365 struct mlx4_srq_context {
366 	__be32			state_logsize_srqn;
367 	u8			logstride;
368 	u8			reserved1;
369 	__be16			xrcd;
370 	__be32			pg_offset_cqn;
371 	u32			reserved2;
372 	u8			log_page_size;
373 	u8			reserved3[2];
374 	u8			mtt_base_addr_h;
375 	__be32			mtt_base_addr_l;
376 	__be32			pd;
377 	__be16			limit_watermark;
378 	__be16			wqe_cnt;
379 	u16			reserved4;
380 	__be16			wqe_counter;
381 	u32			reserved5;
382 	__be64			db_rec_addr;
383 };
384 
385 struct mlx4_eq {
386 	struct mlx4_dev	       *dev;
387 	void __iomem	       *doorbell;
388 	int			eqn;
389 	u32			cons_index;
390 	u16			irq;
391 	u16			have_irq;
392 	int			nent;
393 	struct mlx4_buf_list   *page_list;
394 	struct mlx4_mtt		mtt;
395 	u32			ncqs;
396 	struct mlx4_active_ports actv_ports;
397 	u32			ref_count;
398 	int			affinity_cpu_id;
399 };
400 
401 struct mlx4_slave_eqe {
402 	u8 type;
403 	u8 port;
404 	u32 param;
405 };
406 
407 struct mlx4_slave_event_eq_info {
408 	int eqn;
409 	u16 token;
410 };
411 
412 struct mlx4_profile {
413 	int			num_qp;
414 	int			rdmarc_per_qp;
415 	int			num_srq;
416 	int			num_cq;
417 	int			num_mcg;
418 	int			num_mpt;
419 	unsigned		num_mtt;
420 };
421 
422 struct mlx4_fw {
423 	u64			clr_int_base;
424 	u64			catas_offset;
425 	u64			comm_base;
426 	u64			clock_offset;
427 	struct mlx4_icm	       *fw_icm;
428 	struct mlx4_icm	       *aux_icm;
429 	u32			catas_size;
430 	u16			fw_pages;
431 	u8			clr_int_bar;
432 	u8			catas_bar;
433 	u8			comm_bar;
434 	u8			clock_bar;
435 };
436 
437 struct mlx4_comm {
438 	u32			slave_write;
439 	u32			slave_read;
440 };
441 
442 enum {
443 	MLX4_MCAST_CONFIG       = 0,
444 	MLX4_MCAST_DISABLE      = 1,
445 	MLX4_MCAST_ENABLE       = 2,
446 };
447 
448 #define VLAN_FLTR_SIZE	128
449 
450 struct mlx4_vlan_fltr {
451 	__be32 entry[VLAN_FLTR_SIZE];
452 };
453 
454 struct mlx4_mcast_entry {
455 	struct list_head list;
456 	u64 addr;
457 };
458 
459 struct mlx4_promisc_qp {
460 	struct list_head list;
461 	u32 qpn;
462 };
463 
464 struct mlx4_steer_index {
465 	struct list_head list;
466 	unsigned int index;
467 	struct list_head duplicates;
468 };
469 
470 #define MLX4_EVENT_TYPES_NUM 64
471 
472 struct mlx4_slave_state {
473 	u8 comm_toggle;
474 	u8 last_cmd;
475 	u8 init_port_mask;
476 	bool active;
477 	bool old_vlan_api;
478 	bool vst_qinq_supported;
479 	u8 function;
480 	dma_addr_t vhcr_dma;
481 	u16 mtu[MLX4_MAX_PORTS + 1];
482 	__be32 ib_cap_mask[MLX4_MAX_PORTS + 1];
483 	struct mlx4_slave_eqe eq[MLX4_MFUNC_MAX_EQES];
484 	struct list_head mcast_filters[MLX4_MAX_PORTS + 1];
485 	struct mlx4_vlan_fltr *vlan_filter[MLX4_MAX_PORTS + 1];
486 	/* event type to eq number lookup */
487 	struct mlx4_slave_event_eq_info event_eq[MLX4_EVENT_TYPES_NUM];
488 	u16 eq_pi;
489 	u16 eq_ci;
490 	spinlock_t lock;
491 	/*initialized via the kzalloc*/
492 	u8 is_slave_going_down;
493 	u32 cookie;
494 	enum slave_port_state port_state[MLX4_MAX_PORTS + 1];
495 };
496 
497 #define MLX4_VGT 4095
498 #define NO_INDX  (-1)
499 
500 struct mlx4_vport_state {
501 	u64 mac;
502 	u16 default_vlan;
503 	u8  default_qos;
504 	__be16 vlan_proto;
505 	u32 tx_rate;
506 	bool spoofchk;
507 	u8 qos_vport;
508 	__be64 guid;
509 };
510 
511 struct mlx4_vf_admin_state {
512 	struct mlx4_vport_state vport[MLX4_MAX_PORTS + 1];
513 	u8 enable_smi[MLX4_MAX_PORTS + 1];
514 };
515 
516 struct mlx4_vport_oper_state {
517 	struct mlx4_vport_state state;
518 	int mac_idx;
519 	int vlan_idx;
520 };
521 
522 struct mlx4_vf_oper_state {
523 	struct mlx4_vport_oper_state vport[MLX4_MAX_PORTS + 1];
524 	u8 smi_enabled[MLX4_MAX_PORTS + 1];
525 };
526 
527 struct slave_list {
528 	struct mutex mutex;
529 	struct list_head res_list[MLX4_NUM_OF_RESOURCE_TYPE];
530 };
531 
532 struct resource_allocator {
533 	spinlock_t alloc_lock; /* protect quotas */
534 	union {
535 		int res_reserved;
536 		int res_port_rsvd[MLX4_MAX_PORTS];
537 	};
538 	union {
539 		int res_free;
540 		int res_port_free[MLX4_MAX_PORTS];
541 	};
542 	int *quota;
543 	int *allocated;
544 	int *guaranteed;
545 };
546 
547 struct mlx4_resource_tracker {
548 	spinlock_t lock;
549 	/* tree for each resources */
550 	struct rb_root res_tree[MLX4_NUM_OF_RESOURCE_TYPE];
551 	/* num_of_slave's lists, one per slave */
552 	struct slave_list *slave_list;
553 	struct resource_allocator res_alloc[MLX4_NUM_OF_RESOURCE_TYPE];
554 };
555 
556 #define SLAVE_EVENT_EQ_SIZE	128
557 struct mlx4_slave_event_eq {
558 	u32 eqn;
559 	u32 cons;
560 	u32 prod;
561 	spinlock_t event_lock;
562 	struct mlx4_eqe event_eqe[SLAVE_EVENT_EQ_SIZE];
563 };
564 
565 struct mlx4_qos_manager {
566 	int num_of_qos_vfs;
567 	DECLARE_BITMAP(priority_bm, MLX4_NUM_UP);
568 };
569 
570 struct mlx4_master_qp0_state {
571 	int proxy_qp0_active;
572 	int qp0_active;
573 	int port_active;
574 };
575 
576 struct mlx4_mfunc_master_ctx {
577 	struct mlx4_slave_state *slave_state;
578 	struct mlx4_vf_admin_state *vf_admin;
579 	struct mlx4_vf_oper_state *vf_oper;
580 	struct mlx4_master_qp0_state qp0_state[MLX4_MAX_PORTS + 1];
581 	int			init_port_ref[MLX4_MAX_PORTS + 1];
582 	u16			max_mtu[MLX4_MAX_PORTS + 1];
583 	u8			pptx;
584 	u8			pprx;
585 	int			disable_mcast_ref[MLX4_MAX_PORTS + 1];
586 	struct mlx4_resource_tracker res_tracker;
587 	struct workqueue_struct *comm_wq;
588 	struct work_struct	comm_work;
589 	struct work_struct	slave_event_work;
590 	struct work_struct	slave_flr_event_work;
591 	spinlock_t		slave_state_lock;
592 	__be32			comm_arm_bit_vector[4];
593 	struct mlx4_eqe		cmd_eqe;
594 	struct mlx4_slave_event_eq slave_eq;
595 	struct mutex		gen_eqe_mutex[MLX4_MFUNC_MAX];
596 	struct mlx4_qos_manager qos_ctl[MLX4_MAX_PORTS + 1];
597 };
598 
599 struct mlx4_mfunc {
600 	struct mlx4_comm __iomem       *comm;
601 	struct mlx4_vhcr_cmd	       *vhcr;
602 	dma_addr_t			vhcr_dma;
603 
604 	struct mlx4_mfunc_master_ctx	master;
605 };
606 
607 #define MGM_QPN_MASK       0x00FFFFFF
608 #define MGM_BLCK_LB_BIT    30
609 
610 struct mlx4_mgm {
611 	__be32			next_gid_index;
612 	__be32			members_count;
613 	u32			reserved[2];
614 	u8			gid[16];
615 	__be32			qp[MLX4_MAX_QP_PER_MGM];
616 };
617 
618 struct mlx4_cmd {
619 	struct pci_pool	       *pool;
620 	void __iomem	       *hcr;
621 	struct mutex		slave_cmd_mutex;
622 	struct semaphore	poll_sem;
623 	struct semaphore	event_sem;
624 	struct rw_semaphore	switch_sem;
625 	int			max_cmds;
626 	spinlock_t		context_lock;
627 	int			free_head;
628 	struct mlx4_cmd_context *context;
629 	u16			token_mask;
630 	u8			use_events;
631 	u8			toggle;
632 	u8			comm_toggle;
633 	u8			initialized;
634 };
635 
636 enum {
637 	MLX4_VF_IMMED_VLAN_FLAG_VLAN = 1 << 0,
638 	MLX4_VF_IMMED_VLAN_FLAG_QOS = 1 << 1,
639 	MLX4_VF_IMMED_VLAN_FLAG_LINK_DISABLE = 1 << 2,
640 };
641 struct mlx4_vf_immed_vlan_work {
642 	struct work_struct	work;
643 	struct mlx4_priv	*priv;
644 	int			flags;
645 	int			slave;
646 	int			vlan_ix;
647 	int			orig_vlan_ix;
648 	u8			port;
649 	u8			qos;
650 	u8                      qos_vport;
651 	u16			vlan_id;
652 	u16			orig_vlan_id;
653 	__be16			vlan_proto;
654 };
655 
656 
657 struct mlx4_uar_table {
658 	struct mlx4_bitmap	bitmap;
659 };
660 
661 struct mlx4_mr_table {
662 	struct mlx4_bitmap	mpt_bitmap;
663 	struct mlx4_buddy	mtt_buddy;
664 	u64			mtt_base;
665 	u64			mpt_base;
666 	struct mlx4_icm_table	mtt_table;
667 	struct mlx4_icm_table	dmpt_table;
668 };
669 
670 struct mlx4_cq_table {
671 	struct mlx4_bitmap	bitmap;
672 	spinlock_t		lock;
673 	struct radix_tree_root	tree;
674 	struct mlx4_icm_table	table;
675 	struct mlx4_icm_table	cmpt_table;
676 };
677 
678 struct mlx4_eq_table {
679 	struct mlx4_bitmap	bitmap;
680 	char		       *irq_names;
681 	void __iomem	       *clr_int;
682 	void __iomem	      **uar_map;
683 	u32			clr_mask;
684 	struct mlx4_eq	       *eq;
685 	struct mlx4_icm_table	table;
686 	struct mlx4_icm_table	cmpt_table;
687 	int			have_irq;
688 	u8			inta_pin;
689 };
690 
691 struct mlx4_srq_table {
692 	struct mlx4_bitmap	bitmap;
693 	spinlock_t		lock;
694 	struct radix_tree_root	tree;
695 	struct mlx4_icm_table	table;
696 	struct mlx4_icm_table	cmpt_table;
697 };
698 
699 enum mlx4_qp_table_zones {
700 	MLX4_QP_TABLE_ZONE_GENERAL,
701 	MLX4_QP_TABLE_ZONE_RSS,
702 	MLX4_QP_TABLE_ZONE_RAW_ETH,
703 	MLX4_QP_TABLE_ZONE_NUM
704 };
705 
706 struct mlx4_qp_table {
707 	struct mlx4_bitmap	*bitmap_gen;
708 	struct mlx4_zone_allocator *zones;
709 	u32			zones_uids[MLX4_QP_TABLE_ZONE_NUM];
710 	u32			rdmarc_base;
711 	int			rdmarc_shift;
712 	spinlock_t		lock;
713 	struct mlx4_icm_table	qp_table;
714 	struct mlx4_icm_table	auxc_table;
715 	struct mlx4_icm_table	altc_table;
716 	struct mlx4_icm_table	rdmarc_table;
717 	struct mlx4_icm_table	cmpt_table;
718 };
719 
720 struct mlx4_mcg_table {
721 	struct mutex		mutex;
722 	struct mlx4_bitmap	bitmap;
723 	struct mlx4_icm_table	table;
724 };
725 
726 struct mlx4_catas_err {
727 	u32 __iomem	       *map;
728 	struct timer_list	timer;
729 	struct list_head	list;
730 };
731 
732 #define MLX4_MAX_MAC_NUM	128
733 #define MLX4_MAC_TABLE_SIZE	(MLX4_MAX_MAC_NUM << 3)
734 
735 struct mlx4_mac_table {
736 	__be64			entries[MLX4_MAX_MAC_NUM];
737 	int			refs[MLX4_MAX_MAC_NUM];
738 	bool			is_dup[MLX4_MAX_MAC_NUM];
739 	struct mutex		mutex;
740 	int			total;
741 	int			max;
742 };
743 
744 #define MLX4_ROCE_GID_ENTRY_SIZE	16
745 
746 struct mlx4_roce_gid_entry {
747 	u8 raw[MLX4_ROCE_GID_ENTRY_SIZE];
748 };
749 
750 struct mlx4_roce_gid_table {
751 	struct mlx4_roce_gid_entry	roce_gids[MLX4_ROCE_MAX_GIDS];
752 	struct mutex			mutex;
753 };
754 
755 #define MLX4_MAX_VLAN_NUM	128
756 #define MLX4_VLAN_TABLE_SIZE	(MLX4_MAX_VLAN_NUM << 2)
757 
758 struct mlx4_vlan_table {
759 	__be32			entries[MLX4_MAX_VLAN_NUM];
760 	int			refs[MLX4_MAX_VLAN_NUM];
761 	int			is_dup[MLX4_MAX_VLAN_NUM];
762 	struct mutex		mutex;
763 	int			total;
764 	int			max;
765 };
766 
767 #define SET_PORT_GEN_ALL_VALID		0x7
768 #define SET_PORT_PROMISC_SHIFT		31
769 #define SET_PORT_MC_PROMISC_SHIFT	30
770 
771 enum {
772 	MCAST_DIRECT_ONLY	= 0,
773 	MCAST_DIRECT		= 1,
774 	MCAST_DEFAULT		= 2
775 };
776 
777 struct mlx4_set_port_general_context {
778 	u16 reserved1;
779 	u8 v_ignore_fcs;
780 	u8 flags;
781 	union {
782 		u8 ignore_fcs;
783 		u8 roce_mode;
784 	};
785 	u8 reserved2;
786 	__be16 mtu;
787 	u8 pptx;
788 	u8 pfctx;
789 	u16 reserved3;
790 	u8 pprx;
791 	u8 pfcrx;
792 	u16 reserved4;
793 	u32 reserved5;
794 	u8 phv_en;
795 	u8 reserved6[3];
796 };
797 
798 struct mlx4_set_port_rqp_calc_context {
799 	__be32 base_qpn;
800 	u8 rererved;
801 	u8 n_mac;
802 	u8 n_vlan;
803 	u8 n_prio;
804 	u8 reserved2[3];
805 	u8 mac_miss;
806 	u8 intra_no_vlan;
807 	u8 no_vlan;
808 	u8 intra_vlan_miss;
809 	u8 vlan_miss;
810 	u8 reserved3[3];
811 	u8 no_vlan_prio;
812 	__be32 promisc;
813 	__be32 mcast;
814 };
815 
816 struct mlx4_port_info {
817 	struct mlx4_dev	       *dev;
818 	int			port;
819 	char			dev_name[16];
820 	struct device_attribute port_attr;
821 	enum mlx4_port_type	tmp_type;
822 	char			dev_mtu_name[16];
823 	struct device_attribute port_mtu_attr;
824 	struct mlx4_mac_table	mac_table;
825 	struct mlx4_vlan_table	vlan_table;
826 	struct mlx4_roce_gid_table gid_table;
827 	int			base_qpn;
828 };
829 
830 struct mlx4_sense {
831 	struct mlx4_dev		*dev;
832 	u8			do_sense_port[MLX4_MAX_PORTS + 1];
833 	u8			sense_allowed[MLX4_MAX_PORTS + 1];
834 	struct delayed_work	sense_poll;
835 	int			gone;
836 };
837 
838 struct mlx4_msix_ctl {
839 	DECLARE_BITMAP(pool_bm, MAX_MSIX);
840 	struct mutex	pool_lock;
841 };
842 
843 struct mlx4_steer {
844 	struct list_head promisc_qps[MLX4_NUM_STEERS];
845 	struct list_head steer_entries[MLX4_NUM_STEERS];
846 };
847 
848 enum {
849 	MLX4_PCI_DEV_IS_VF		= 1 << 0,
850 	MLX4_PCI_DEV_FORCE_SENSE_PORT	= 1 << 1,
851 };
852 
853 enum {
854 	MLX4_NO_RR	= 0,
855 	MLX4_USE_RR	= 1,
856 };
857 
858 struct mlx4_priv {
859 	struct mlx4_dev		dev;
860 
861 	struct list_head	dev_list;
862 	struct list_head	ctx_list;
863 	spinlock_t		ctx_lock;
864 
865 	int			pci_dev_data;
866 	int                     removed;
867 
868 	struct list_head        pgdir_list;
869 	struct mutex            pgdir_mutex;
870 
871 	struct mlx4_fw		fw;
872 	struct mlx4_cmd		cmd;
873 	struct mlx4_mfunc	mfunc;
874 
875 	struct mlx4_bitmap	pd_bitmap;
876 	struct mlx4_bitmap	xrcd_bitmap;
877 	struct mlx4_uar_table	uar_table;
878 	struct mlx4_mr_table	mr_table;
879 	struct mlx4_cq_table	cq_table;
880 	struct mlx4_eq_table	eq_table;
881 	struct mlx4_srq_table	srq_table;
882 	struct mlx4_qp_table	qp_table;
883 	struct mlx4_mcg_table	mcg_table;
884 	struct mlx4_bitmap	counters_bitmap;
885 	int			def_counter[MLX4_MAX_PORTS];
886 
887 	struct mlx4_catas_err	catas_err;
888 
889 	void __iomem	       *clr_base;
890 
891 	struct mlx4_uar		driver_uar;
892 	void __iomem	       *kar;
893 	struct mlx4_port_info	port[MLX4_MAX_PORTS + 1];
894 	struct mlx4_sense       sense;
895 	struct mutex		port_mutex;
896 	struct mlx4_msix_ctl	msix_ctl;
897 	struct mlx4_steer	*steer;
898 	struct list_head	bf_list;
899 	struct mutex		bf_mutex;
900 	struct io_mapping	*bf_mapping;
901 	void __iomem            *clock_mapping;
902 	int			reserved_mtts;
903 	int			fs_hash_mode;
904 	u8 virt2phys_pkey[MLX4_MFUNC_MAX][MLX4_MAX_PORTS][MLX4_MAX_PORT_PKEYS];
905 	struct mlx4_port_map	v2p; /* cached port mapping configuration */
906 	struct mutex		bond_mutex; /* for bond mode */
907 	__be64			slave_node_guids[MLX4_MFUNC_MAX];
908 
909 	atomic_t		opreq_count;
910 	struct work_struct	opreq_task;
911 };
912 
mlx4_priv(struct mlx4_dev * dev)913 static inline struct mlx4_priv *mlx4_priv(struct mlx4_dev *dev)
914 {
915 	return container_of(dev, struct mlx4_priv, dev);
916 }
917 
918 #define MLX4_SENSE_RANGE	(HZ * 3)
919 
920 extern struct workqueue_struct *mlx4_wq;
921 
922 u32 mlx4_bitmap_alloc(struct mlx4_bitmap *bitmap);
923 void mlx4_bitmap_free(struct mlx4_bitmap *bitmap, u32 obj, int use_rr);
924 u32 mlx4_bitmap_alloc_range(struct mlx4_bitmap *bitmap, int cnt,
925 			    int align, u32 skip_mask);
926 void mlx4_bitmap_free_range(struct mlx4_bitmap *bitmap, u32 obj, int cnt,
927 			    int use_rr);
928 u32 mlx4_bitmap_avail(struct mlx4_bitmap *bitmap);
929 int mlx4_bitmap_init(struct mlx4_bitmap *bitmap, u32 num, u32 mask,
930 		     u32 reserved_bot, u32 resetrved_top);
931 void mlx4_bitmap_cleanup(struct mlx4_bitmap *bitmap);
932 
933 int mlx4_reset(struct mlx4_dev *dev);
934 
935 int mlx4_alloc_eq_table(struct mlx4_dev *dev);
936 void mlx4_free_eq_table(struct mlx4_dev *dev);
937 
938 int mlx4_init_pd_table(struct mlx4_dev *dev);
939 int mlx4_init_xrcd_table(struct mlx4_dev *dev);
940 int mlx4_init_uar_table(struct mlx4_dev *dev);
941 int mlx4_init_mr_table(struct mlx4_dev *dev);
942 int mlx4_init_eq_table(struct mlx4_dev *dev);
943 int mlx4_init_cq_table(struct mlx4_dev *dev);
944 int mlx4_init_qp_table(struct mlx4_dev *dev);
945 int mlx4_init_srq_table(struct mlx4_dev *dev);
946 int mlx4_init_mcg_table(struct mlx4_dev *dev);
947 
948 void mlx4_cleanup_pd_table(struct mlx4_dev *dev);
949 void mlx4_cleanup_xrcd_table(struct mlx4_dev *dev);
950 void mlx4_cleanup_uar_table(struct mlx4_dev *dev);
951 void mlx4_cleanup_mr_table(struct mlx4_dev *dev);
952 void mlx4_cleanup_eq_table(struct mlx4_dev *dev);
953 void mlx4_cleanup_cq_table(struct mlx4_dev *dev);
954 void mlx4_cleanup_qp_table(struct mlx4_dev *dev);
955 void mlx4_cleanup_srq_table(struct mlx4_dev *dev);
956 void mlx4_cleanup_mcg_table(struct mlx4_dev *dev);
957 int __mlx4_qp_alloc_icm(struct mlx4_dev *dev, int qpn, gfp_t gfp);
958 void __mlx4_qp_free_icm(struct mlx4_dev *dev, int qpn);
959 int __mlx4_cq_alloc_icm(struct mlx4_dev *dev, int *cqn);
960 void __mlx4_cq_free_icm(struct mlx4_dev *dev, int cqn);
961 int __mlx4_srq_alloc_icm(struct mlx4_dev *dev, int *srqn);
962 void __mlx4_srq_free_icm(struct mlx4_dev *dev, int srqn);
963 int __mlx4_mpt_reserve(struct mlx4_dev *dev);
964 void __mlx4_mpt_release(struct mlx4_dev *dev, u32 index);
965 int __mlx4_mpt_alloc_icm(struct mlx4_dev *dev, u32 index, gfp_t gfp);
966 void __mlx4_mpt_free_icm(struct mlx4_dev *dev, u32 index);
967 u32 __mlx4_alloc_mtt_range(struct mlx4_dev *dev, int order);
968 void __mlx4_free_mtt_range(struct mlx4_dev *dev, u32 first_seg, int order);
969 
970 int mlx4_WRITE_MTT_wrapper(struct mlx4_dev *dev, int slave,
971 			   struct mlx4_vhcr *vhcr,
972 			   struct mlx4_cmd_mailbox *inbox,
973 			   struct mlx4_cmd_mailbox *outbox,
974 			   struct mlx4_cmd_info *cmd);
975 int mlx4_SYNC_TPT_wrapper(struct mlx4_dev *dev, int slave,
976 			   struct mlx4_vhcr *vhcr,
977 			   struct mlx4_cmd_mailbox *inbox,
978 			   struct mlx4_cmd_mailbox *outbox,
979 			   struct mlx4_cmd_info *cmd);
980 int mlx4_SW2HW_MPT_wrapper(struct mlx4_dev *dev, int slave,
981 			   struct mlx4_vhcr *vhcr,
982 			   struct mlx4_cmd_mailbox *inbox,
983 			   struct mlx4_cmd_mailbox *outbox,
984 			   struct mlx4_cmd_info *cmd);
985 int mlx4_HW2SW_MPT_wrapper(struct mlx4_dev *dev, int slave,
986 			   struct mlx4_vhcr *vhcr,
987 			   struct mlx4_cmd_mailbox *inbox,
988 			   struct mlx4_cmd_mailbox *outbox,
989 			   struct mlx4_cmd_info *cmd);
990 int mlx4_QUERY_MPT_wrapper(struct mlx4_dev *dev, int slave,
991 			   struct mlx4_vhcr *vhcr,
992 			   struct mlx4_cmd_mailbox *inbox,
993 			   struct mlx4_cmd_mailbox *outbox,
994 			   struct mlx4_cmd_info *cmd);
995 int mlx4_SW2HW_EQ_wrapper(struct mlx4_dev *dev, int slave,
996 			  struct mlx4_vhcr *vhcr,
997 			  struct mlx4_cmd_mailbox *inbox,
998 			  struct mlx4_cmd_mailbox *outbox,
999 			  struct mlx4_cmd_info *cmd);
1000 int mlx4_CONFIG_DEV_wrapper(struct mlx4_dev *dev, int slave,
1001 			    struct mlx4_vhcr *vhcr,
1002 			    struct mlx4_cmd_mailbox *inbox,
1003 			    struct mlx4_cmd_mailbox *outbox,
1004 			    struct mlx4_cmd_info *cmd);
1005 int mlx4_DMA_wrapper(struct mlx4_dev *dev, int slave,
1006 		     struct mlx4_vhcr *vhcr,
1007 		     struct mlx4_cmd_mailbox *inbox,
1008 		     struct mlx4_cmd_mailbox *outbox,
1009 		     struct mlx4_cmd_info *cmd);
1010 int __mlx4_qp_reserve_range(struct mlx4_dev *dev, int cnt, int align,
1011 			    int *base, u8 flags);
1012 void __mlx4_qp_release_range(struct mlx4_dev *dev, int base_qpn, int cnt);
1013 int __mlx4_register_mac(struct mlx4_dev *dev, u8 port, u64 mac);
1014 void __mlx4_unregister_mac(struct mlx4_dev *dev, u8 port, u64 mac);
1015 int __mlx4_write_mtt(struct mlx4_dev *dev, struct mlx4_mtt *mtt,
1016 		     int start_index, int npages, u64 *page_list);
1017 int __mlx4_counter_alloc(struct mlx4_dev *dev, u32 *idx);
1018 void __mlx4_counter_free(struct mlx4_dev *dev, u32 idx);
1019 int mlx4_calc_vf_counters(struct mlx4_dev *dev, int slave, int port,
1020 			  struct mlx4_counter *data);
1021 int __mlx4_xrcd_alloc(struct mlx4_dev *dev, u32 *xrcdn);
1022 void __mlx4_xrcd_free(struct mlx4_dev *dev, u32 xrcdn);
1023 
1024 void mlx4_start_catas_poll(struct mlx4_dev *dev);
1025 void mlx4_stop_catas_poll(struct mlx4_dev *dev);
1026 int mlx4_catas_init(struct mlx4_dev *dev);
1027 void mlx4_catas_end(struct mlx4_dev *dev);
1028 int mlx4_restart_one(struct pci_dev *pdev);
1029 int mlx4_register_device(struct mlx4_dev *dev);
1030 void mlx4_unregister_device(struct mlx4_dev *dev);
1031 void mlx4_dispatch_event(struct mlx4_dev *dev, enum mlx4_dev_event type,
1032 			 unsigned long param);
1033 
1034 struct mlx4_dev_cap;
1035 struct mlx4_init_hca_param;
1036 
1037 u64 mlx4_make_profile(struct mlx4_dev *dev,
1038 		      struct mlx4_profile *request,
1039 		      struct mlx4_dev_cap *dev_cap,
1040 		      struct mlx4_init_hca_param *init_hca);
1041 void mlx4_master_comm_channel(struct work_struct *work);
1042 void mlx4_gen_slave_eqe(struct work_struct *work);
1043 void mlx4_master_handle_slave_flr(struct work_struct *work);
1044 
1045 int mlx4_ALLOC_RES_wrapper(struct mlx4_dev *dev, int slave,
1046 			   struct mlx4_vhcr *vhcr,
1047 			   struct mlx4_cmd_mailbox *inbox,
1048 			   struct mlx4_cmd_mailbox *outbox,
1049 			   struct mlx4_cmd_info *cmd);
1050 int mlx4_FREE_RES_wrapper(struct mlx4_dev *dev, int slave,
1051 			  struct mlx4_vhcr *vhcr,
1052 			  struct mlx4_cmd_mailbox *inbox,
1053 			  struct mlx4_cmd_mailbox *outbox,
1054 			  struct mlx4_cmd_info *cmd);
1055 int mlx4_MAP_EQ_wrapper(struct mlx4_dev *dev, int slave,
1056 			struct mlx4_vhcr *vhcr, struct mlx4_cmd_mailbox *inbox,
1057 			struct mlx4_cmd_mailbox *outbox,
1058 			struct mlx4_cmd_info *cmd);
1059 int mlx4_COMM_INT_wrapper(struct mlx4_dev *dev, int slave,
1060 			  struct mlx4_vhcr *vhcr,
1061 			  struct mlx4_cmd_mailbox *inbox,
1062 			  struct mlx4_cmd_mailbox *outbox,
1063 			  struct mlx4_cmd_info *cmd);
1064 int mlx4_HW2SW_EQ_wrapper(struct mlx4_dev *dev, int slave,
1065 			    struct mlx4_vhcr *vhcr,
1066 			    struct mlx4_cmd_mailbox *inbox,
1067 			    struct mlx4_cmd_mailbox *outbox,
1068 			  struct mlx4_cmd_info *cmd);
1069 int mlx4_QUERY_EQ_wrapper(struct mlx4_dev *dev, int slave,
1070 			  struct mlx4_vhcr *vhcr,
1071 			  struct mlx4_cmd_mailbox *inbox,
1072 			  struct mlx4_cmd_mailbox *outbox,
1073 			  struct mlx4_cmd_info *cmd);
1074 int mlx4_SW2HW_CQ_wrapper(struct mlx4_dev *dev, int slave,
1075 			  struct mlx4_vhcr *vhcr,
1076 			  struct mlx4_cmd_mailbox *inbox,
1077 			  struct mlx4_cmd_mailbox *outbox,
1078 			  struct mlx4_cmd_info *cmd);
1079 int mlx4_HW2SW_CQ_wrapper(struct mlx4_dev *dev, int slave,
1080 			  struct mlx4_vhcr *vhcr,
1081 			  struct mlx4_cmd_mailbox *inbox,
1082 			  struct mlx4_cmd_mailbox *outbox,
1083 			  struct mlx4_cmd_info *cmd);
1084 int mlx4_QUERY_CQ_wrapper(struct mlx4_dev *dev, int slave,
1085 			  struct mlx4_vhcr *vhcr,
1086 			  struct mlx4_cmd_mailbox *inbox,
1087 			  struct mlx4_cmd_mailbox *outbox,
1088 			  struct mlx4_cmd_info *cmd);
1089 int mlx4_MODIFY_CQ_wrapper(struct mlx4_dev *dev, int slave,
1090 			  struct mlx4_vhcr *vhcr,
1091 			  struct mlx4_cmd_mailbox *inbox,
1092 			  struct mlx4_cmd_mailbox *outbox,
1093 			   struct mlx4_cmd_info *cmd);
1094 int mlx4_SW2HW_SRQ_wrapper(struct mlx4_dev *dev, int slave,
1095 			   struct mlx4_vhcr *vhcr,
1096 			   struct mlx4_cmd_mailbox *inbox,
1097 			   struct mlx4_cmd_mailbox *outbox,
1098 			   struct mlx4_cmd_info *cmd);
1099 int mlx4_HW2SW_SRQ_wrapper(struct mlx4_dev *dev, int slave,
1100 			   struct mlx4_vhcr *vhcr,
1101 			   struct mlx4_cmd_mailbox *inbox,
1102 			   struct mlx4_cmd_mailbox *outbox,
1103 			   struct mlx4_cmd_info *cmd);
1104 int mlx4_QUERY_SRQ_wrapper(struct mlx4_dev *dev, int slave,
1105 			   struct mlx4_vhcr *vhcr,
1106 			   struct mlx4_cmd_mailbox *inbox,
1107 			   struct mlx4_cmd_mailbox *outbox,
1108 			   struct mlx4_cmd_info *cmd);
1109 int mlx4_ARM_SRQ_wrapper(struct mlx4_dev *dev, int slave,
1110 			 struct mlx4_vhcr *vhcr,
1111 			 struct mlx4_cmd_mailbox *inbox,
1112 			 struct mlx4_cmd_mailbox *outbox,
1113 			 struct mlx4_cmd_info *cmd);
1114 int mlx4_GEN_QP_wrapper(struct mlx4_dev *dev, int slave,
1115 			struct mlx4_vhcr *vhcr,
1116 			struct mlx4_cmd_mailbox *inbox,
1117 			struct mlx4_cmd_mailbox *outbox,
1118 			struct mlx4_cmd_info *cmd);
1119 int mlx4_RST2INIT_QP_wrapper(struct mlx4_dev *dev, int slave,
1120 			     struct mlx4_vhcr *vhcr,
1121 			     struct mlx4_cmd_mailbox *inbox,
1122 			     struct mlx4_cmd_mailbox *outbox,
1123 			     struct mlx4_cmd_info *cmd);
1124 int mlx4_INIT2INIT_QP_wrapper(struct mlx4_dev *dev, int slave,
1125 			      struct mlx4_vhcr *vhcr,
1126 			      struct mlx4_cmd_mailbox *inbox,
1127 			      struct mlx4_cmd_mailbox *outbox,
1128 			      struct mlx4_cmd_info *cmd);
1129 int mlx4_INIT2RTR_QP_wrapper(struct mlx4_dev *dev, int slave,
1130 			     struct mlx4_vhcr *vhcr,
1131 			     struct mlx4_cmd_mailbox *inbox,
1132 			     struct mlx4_cmd_mailbox *outbox,
1133 			     struct mlx4_cmd_info *cmd);
1134 int mlx4_RTR2RTS_QP_wrapper(struct mlx4_dev *dev, int slave,
1135 			    struct mlx4_vhcr *vhcr,
1136 			    struct mlx4_cmd_mailbox *inbox,
1137 			    struct mlx4_cmd_mailbox *outbox,
1138 			    struct mlx4_cmd_info *cmd);
1139 int mlx4_RTS2RTS_QP_wrapper(struct mlx4_dev *dev, int slave,
1140 			    struct mlx4_vhcr *vhcr,
1141 			    struct mlx4_cmd_mailbox *inbox,
1142 			    struct mlx4_cmd_mailbox *outbox,
1143 			    struct mlx4_cmd_info *cmd);
1144 int mlx4_SQERR2RTS_QP_wrapper(struct mlx4_dev *dev, int slave,
1145 			      struct mlx4_vhcr *vhcr,
1146 			      struct mlx4_cmd_mailbox *inbox,
1147 			      struct mlx4_cmd_mailbox *outbox,
1148 			      struct mlx4_cmd_info *cmd);
1149 int mlx4_2ERR_QP_wrapper(struct mlx4_dev *dev, int slave,
1150 			 struct mlx4_vhcr *vhcr,
1151 			 struct mlx4_cmd_mailbox *inbox,
1152 			 struct mlx4_cmd_mailbox *outbox,
1153 			 struct mlx4_cmd_info *cmd);
1154 int mlx4_RTS2SQD_QP_wrapper(struct mlx4_dev *dev, int slave,
1155 			    struct mlx4_vhcr *vhcr,
1156 			    struct mlx4_cmd_mailbox *inbox,
1157 			    struct mlx4_cmd_mailbox *outbox,
1158 			    struct mlx4_cmd_info *cmd);
1159 int mlx4_SQD2SQD_QP_wrapper(struct mlx4_dev *dev, int slave,
1160 			    struct mlx4_vhcr *vhcr,
1161 			    struct mlx4_cmd_mailbox *inbox,
1162 			    struct mlx4_cmd_mailbox *outbox,
1163 			    struct mlx4_cmd_info *cmd);
1164 int mlx4_SQD2RTS_QP_wrapper(struct mlx4_dev *dev, int slave,
1165 			    struct mlx4_vhcr *vhcr,
1166 			    struct mlx4_cmd_mailbox *inbox,
1167 			    struct mlx4_cmd_mailbox *outbox,
1168 			    struct mlx4_cmd_info *cmd);
1169 int mlx4_2RST_QP_wrapper(struct mlx4_dev *dev, int slave,
1170 			 struct mlx4_vhcr *vhcr,
1171 			 struct mlx4_cmd_mailbox *inbox,
1172 			 struct mlx4_cmd_mailbox *outbox,
1173 			 struct mlx4_cmd_info *cmd);
1174 int mlx4_QUERY_QP_wrapper(struct mlx4_dev *dev, int slave,
1175 			  struct mlx4_vhcr *vhcr,
1176 			  struct mlx4_cmd_mailbox *inbox,
1177 			  struct mlx4_cmd_mailbox *outbox,
1178 			  struct mlx4_cmd_info *cmd);
1179 
1180 int mlx4_GEN_EQE(struct mlx4_dev *dev, int slave, struct mlx4_eqe *eqe);
1181 
1182 enum {
1183 	MLX4_CMD_CLEANUP_STRUCT = 1UL << 0,
1184 	MLX4_CMD_CLEANUP_POOL	= 1UL << 1,
1185 	MLX4_CMD_CLEANUP_HCR	= 1UL << 2,
1186 	MLX4_CMD_CLEANUP_VHCR	= 1UL << 3,
1187 	MLX4_CMD_CLEANUP_ALL	= (MLX4_CMD_CLEANUP_VHCR << 1) - 1
1188 };
1189 
1190 int mlx4_cmd_init(struct mlx4_dev *dev);
1191 void mlx4_cmd_cleanup(struct mlx4_dev *dev, int cleanup_mask);
1192 int mlx4_multi_func_init(struct mlx4_dev *dev);
1193 int mlx4_ARM_COMM_CHANNEL(struct mlx4_dev *dev);
1194 void mlx4_multi_func_cleanup(struct mlx4_dev *dev);
1195 void mlx4_cmd_event(struct mlx4_dev *dev, u16 token, u8 status, u64 out_param);
1196 int mlx4_cmd_use_events(struct mlx4_dev *dev);
1197 void mlx4_cmd_use_polling(struct mlx4_dev *dev);
1198 
1199 int mlx4_comm_cmd(struct mlx4_dev *dev, u8 cmd, u16 param,
1200 		  u16 op, unsigned long timeout);
1201 
1202 void mlx4_cq_tasklet_cb(unsigned long data);
1203 void mlx4_cq_completion(struct mlx4_dev *dev, u32 cqn);
1204 void mlx4_cq_event(struct mlx4_dev *dev, u32 cqn, int event_type);
1205 
1206 void mlx4_qp_event(struct mlx4_dev *dev, u32 qpn, int event_type);
1207 
1208 void mlx4_srq_event(struct mlx4_dev *dev, u32 srqn, int event_type);
1209 
1210 void mlx4_enter_error_state(struct mlx4_dev_persistent *persist);
1211 
1212 int mlx4_SENSE_PORT(struct mlx4_dev *dev, int port,
1213 		    enum mlx4_port_type *type);
1214 void mlx4_do_sense_ports(struct mlx4_dev *dev,
1215 			 enum mlx4_port_type *stype,
1216 			 enum mlx4_port_type *defaults);
1217 void mlx4_start_sense(struct mlx4_dev *dev);
1218 void mlx4_stop_sense(struct mlx4_dev *dev);
1219 void mlx4_sense_init(struct mlx4_dev *dev);
1220 int mlx4_check_port_params(struct mlx4_dev *dev,
1221 			   enum mlx4_port_type *port_type);
1222 int mlx4_change_port_types(struct mlx4_dev *dev,
1223 			   enum mlx4_port_type *port_types);
1224 
1225 void mlx4_init_mac_table(struct mlx4_dev *dev, struct mlx4_mac_table *table);
1226 void mlx4_init_vlan_table(struct mlx4_dev *dev, struct mlx4_vlan_table *table);
1227 void mlx4_init_roce_gid_table(struct mlx4_dev *dev,
1228 			      struct mlx4_roce_gid_table *table);
1229 void __mlx4_unregister_vlan(struct mlx4_dev *dev, u8 port, u16 vlan);
1230 int __mlx4_register_vlan(struct mlx4_dev *dev, u8 port, u16 vlan, int *index);
1231 int mlx4_bond_vlan_table(struct mlx4_dev *dev);
1232 int mlx4_unbond_vlan_table(struct mlx4_dev *dev);
1233 int mlx4_bond_mac_table(struct mlx4_dev *dev);
1234 int mlx4_unbond_mac_table(struct mlx4_dev *dev);
1235 
1236 int mlx4_SET_PORT(struct mlx4_dev *dev, u8 port, int pkey_tbl_sz);
1237 /* resource tracker functions*/
1238 int mlx4_get_slave_from_resource_id(struct mlx4_dev *dev,
1239 				    enum mlx4_resource resource_type,
1240 				    u64 resource_id, int *slave);
1241 void mlx4_delete_all_resources_for_slave(struct mlx4_dev *dev, int slave_id);
1242 void mlx4_reset_roce_gids(struct mlx4_dev *dev, int slave);
1243 int mlx4_init_resource_tracker(struct mlx4_dev *dev);
1244 
1245 void mlx4_free_resource_tracker(struct mlx4_dev *dev,
1246 				enum mlx4_res_tracker_free_type type);
1247 
1248 int mlx4_QUERY_FW_wrapper(struct mlx4_dev *dev, int slave,
1249 			  struct mlx4_vhcr *vhcr,
1250 			  struct mlx4_cmd_mailbox *inbox,
1251 			  struct mlx4_cmd_mailbox *outbox,
1252 			  struct mlx4_cmd_info *cmd);
1253 int mlx4_SET_PORT_wrapper(struct mlx4_dev *dev, int slave,
1254 			  struct mlx4_vhcr *vhcr,
1255 			  struct mlx4_cmd_mailbox *inbox,
1256 			  struct mlx4_cmd_mailbox *outbox,
1257 			  struct mlx4_cmd_info *cmd);
1258 int mlx4_INIT_PORT_wrapper(struct mlx4_dev *dev, int slave,
1259 			   struct mlx4_vhcr *vhcr,
1260 			   struct mlx4_cmd_mailbox *inbox,
1261 			   struct mlx4_cmd_mailbox *outbox,
1262 			   struct mlx4_cmd_info *cmd);
1263 int mlx4_CLOSE_PORT_wrapper(struct mlx4_dev *dev, int slave,
1264 			    struct mlx4_vhcr *vhcr,
1265 			    struct mlx4_cmd_mailbox *inbox,
1266 			    struct mlx4_cmd_mailbox *outbox,
1267 			    struct mlx4_cmd_info *cmd);
1268 int mlx4_QUERY_DEV_CAP_wrapper(struct mlx4_dev *dev, int slave,
1269 			       struct mlx4_vhcr *vhcr,
1270 			       struct mlx4_cmd_mailbox *inbox,
1271 			       struct mlx4_cmd_mailbox *outbox,
1272 			       struct mlx4_cmd_info *cmd);
1273 int mlx4_QUERY_PORT_wrapper(struct mlx4_dev *dev, int slave,
1274 			    struct mlx4_vhcr *vhcr,
1275 			    struct mlx4_cmd_mailbox *inbox,
1276 			    struct mlx4_cmd_mailbox *outbox,
1277 			    struct mlx4_cmd_info *cmd);
1278 int mlx4_get_port_ib_caps(struct mlx4_dev *dev, u8 port, __be32 *caps);
1279 
1280 int mlx4_get_slave_pkey_gid_tbl_len(struct mlx4_dev *dev, u8 port,
1281 				    int *gid_tbl_len, int *pkey_tbl_len);
1282 
1283 int mlx4_QP_ATTACH_wrapper(struct mlx4_dev *dev, int slave,
1284 			   struct mlx4_vhcr *vhcr,
1285 			   struct mlx4_cmd_mailbox *inbox,
1286 			   struct mlx4_cmd_mailbox *outbox,
1287 			   struct mlx4_cmd_info *cmd);
1288 
1289 int mlx4_UPDATE_QP_wrapper(struct mlx4_dev *dev, int slave,
1290 			   struct mlx4_vhcr *vhcr,
1291 			   struct mlx4_cmd_mailbox *inbox,
1292 			   struct mlx4_cmd_mailbox *outbox,
1293 			   struct mlx4_cmd_info *cmd);
1294 
1295 int mlx4_PROMISC_wrapper(struct mlx4_dev *dev, int slave,
1296 			 struct mlx4_vhcr *vhcr,
1297 			 struct mlx4_cmd_mailbox *inbox,
1298 			 struct mlx4_cmd_mailbox *outbox,
1299 			 struct mlx4_cmd_info *cmd);
1300 int mlx4_qp_detach_common(struct mlx4_dev *dev, struct mlx4_qp *qp, u8 gid[16],
1301 			  enum mlx4_protocol prot, enum mlx4_steer_type steer);
1302 int mlx4_qp_attach_common(struct mlx4_dev *dev, struct mlx4_qp *qp, u8 gid[16],
1303 			  int block_mcast_loopback, enum mlx4_protocol prot,
1304 			  enum mlx4_steer_type steer);
1305 int mlx4_trans_to_dmfs_attach(struct mlx4_dev *dev, struct mlx4_qp *qp,
1306 			      u8 gid[16], u8 port,
1307 			      int block_mcast_loopback,
1308 			      enum mlx4_protocol prot, u64 *reg_id);
1309 int mlx4_SET_MCAST_FLTR_wrapper(struct mlx4_dev *dev, int slave,
1310 				struct mlx4_vhcr *vhcr,
1311 				struct mlx4_cmd_mailbox *inbox,
1312 				struct mlx4_cmd_mailbox *outbox,
1313 				struct mlx4_cmd_info *cmd);
1314 int mlx4_SET_VLAN_FLTR_wrapper(struct mlx4_dev *dev, int slave,
1315 			       struct mlx4_vhcr *vhcr,
1316 			       struct mlx4_cmd_mailbox *inbox,
1317 			       struct mlx4_cmd_mailbox *outbox,
1318 			       struct mlx4_cmd_info *cmd);
1319 int mlx4_common_set_vlan_fltr(struct mlx4_dev *dev, int function,
1320 				     int port, void *buf);
1321 int mlx4_DUMP_ETH_STATS_wrapper(struct mlx4_dev *dev, int slave,
1322 				   struct mlx4_vhcr *vhcr,
1323 				   struct mlx4_cmd_mailbox *inbox,
1324 				   struct mlx4_cmd_mailbox *outbox,
1325 				struct mlx4_cmd_info *cmd);
1326 int mlx4_PKEY_TABLE_wrapper(struct mlx4_dev *dev, int slave,
1327 			    struct mlx4_vhcr *vhcr,
1328 			    struct mlx4_cmd_mailbox *inbox,
1329 			    struct mlx4_cmd_mailbox *outbox,
1330 			    struct mlx4_cmd_info *cmd);
1331 int mlx4_QUERY_IF_STAT_wrapper(struct mlx4_dev *dev, int slave,
1332 			       struct mlx4_vhcr *vhcr,
1333 			       struct mlx4_cmd_mailbox *inbox,
1334 			       struct mlx4_cmd_mailbox *outbox,
1335 			       struct mlx4_cmd_info *cmd);
1336 int mlx4_QP_FLOW_STEERING_ATTACH_wrapper(struct mlx4_dev *dev, int slave,
1337 					 struct mlx4_vhcr *vhcr,
1338 					 struct mlx4_cmd_mailbox *inbox,
1339 					 struct mlx4_cmd_mailbox *outbox,
1340 					 struct mlx4_cmd_info *cmd);
1341 int mlx4_QP_FLOW_STEERING_DETACH_wrapper(struct mlx4_dev *dev, int slave,
1342 					 struct mlx4_vhcr *vhcr,
1343 					 struct mlx4_cmd_mailbox *inbox,
1344 					 struct mlx4_cmd_mailbox *outbox,
1345 					 struct mlx4_cmd_info *cmd);
1346 int mlx4_ACCESS_REG_wrapper(struct mlx4_dev *dev, int slave,
1347 			    struct mlx4_vhcr *vhcr,
1348 			    struct mlx4_cmd_mailbox *inbox,
1349 			    struct mlx4_cmd_mailbox *outbox,
1350 			    struct mlx4_cmd_info *cmd);
1351 
1352 int mlx4_get_mgm_entry_size(struct mlx4_dev *dev);
1353 int mlx4_get_qp_per_mgm(struct mlx4_dev *dev);
1354 
set_param_l(u64 * arg,u32 val)1355 static inline void set_param_l(u64 *arg, u32 val)
1356 {
1357 	*arg = (*arg & 0xffffffff00000000ULL) | (u64) val;
1358 }
1359 
set_param_h(u64 * arg,u32 val)1360 static inline void set_param_h(u64 *arg, u32 val)
1361 {
1362 	*arg = (*arg & 0xffffffff) | ((u64) val << 32);
1363 }
1364 
get_param_l(u64 * arg)1365 static inline u32 get_param_l(u64 *arg)
1366 {
1367 	return (u32) (*arg & 0xffffffff);
1368 }
1369 
get_param_h(u64 * arg)1370 static inline u32 get_param_h(u64 *arg)
1371 {
1372 	return (u32)(*arg >> 32);
1373 }
1374 
mlx4_tlock(struct mlx4_dev * dev)1375 static inline spinlock_t *mlx4_tlock(struct mlx4_dev *dev)
1376 {
1377 	return &mlx4_priv(dev)->mfunc.master.res_tracker.lock;
1378 }
1379 
1380 #define NOT_MASKED_PD_BITS 17
1381 
1382 void mlx4_vf_immed_vlan_work_handler(struct work_struct *_work);
1383 
1384 void mlx4_init_quotas(struct mlx4_dev *dev);
1385 
1386 /* for VFs, replace zero MACs with randomly-generated MACs at driver start */
1387 void mlx4_replace_zero_macs(struct mlx4_dev *dev);
1388 int mlx4_get_slave_num_gids(struct mlx4_dev *dev, int slave, int port);
1389 /* Returns the VF index of slave */
1390 int mlx4_get_vf_indx(struct mlx4_dev *dev, int slave);
1391 int mlx4_config_mad_demux(struct mlx4_dev *dev);
1392 int mlx4_do_bond(struct mlx4_dev *dev, bool enable);
1393 int mlx4_bond_fs_rules(struct mlx4_dev *dev);
1394 int mlx4_unbond_fs_rules(struct mlx4_dev *dev);
1395 
1396 enum mlx4_zone_flags {
1397 	MLX4_ZONE_ALLOW_ALLOC_FROM_LOWER_PRIO	= 1UL << 0,
1398 	MLX4_ZONE_ALLOW_ALLOC_FROM_EQ_PRIO	= 1UL << 1,
1399 	MLX4_ZONE_FALLBACK_TO_HIGHER_PRIO	= 1UL << 2,
1400 	MLX4_ZONE_USE_RR			= 1UL << 3,
1401 };
1402 
1403 enum mlx4_zone_alloc_flags {
1404 	/* No two objects could overlap between zones. UID
1405 	 * could be left unused. If this flag is given and
1406 	 * two overlapped zones are used, an object will be free'd
1407 	 * from the smallest possible matching zone.
1408 	 */
1409 	MLX4_ZONE_ALLOC_FLAGS_NO_OVERLAP	= 1UL << 0,
1410 };
1411 
1412 struct mlx4_zone_allocator;
1413 
1414 /* Create a new zone allocator */
1415 struct mlx4_zone_allocator *mlx4_zone_allocator_create(enum mlx4_zone_alloc_flags flags);
1416 
1417 /* Attach a mlx4_bitmap <bitmap> of priority <priority> to the zone allocator
1418  * <zone_alloc>. Allocating an object from this zone adds an offset <offset>.
1419  * Similarly, when searching for an object to free, this offset it taken into
1420  * account. The use_rr mlx4_ib parameter for allocating objects from this <bitmap>
1421  * is given through the MLX4_ZONE_USE_RR flag in <flags>.
1422  * When an allocation fails, <zone_alloc> tries to allocate from other zones
1423  * according to the policy set by <flags>. <puid> is the unique identifier
1424  * received to this zone.
1425  */
1426 int mlx4_zone_add_one(struct mlx4_zone_allocator *zone_alloc,
1427 		      struct mlx4_bitmap *bitmap,
1428 		      u32 flags,
1429 		      int priority,
1430 		      int offset,
1431 		      u32 *puid);
1432 
1433 /* Remove bitmap indicated by <uid> from <zone_alloc> */
1434 int mlx4_zone_remove_one(struct mlx4_zone_allocator *zone_alloc, u32 uid);
1435 
1436 /* Delete the zone allocator <zone_alloc. This function doesn't destroy
1437  * the attached bitmaps.
1438  */
1439 void mlx4_zone_allocator_destroy(struct mlx4_zone_allocator *zone_alloc);
1440 
1441 /* Allocate <count> objects with align <align> and skip_mask <skip_mask>
1442  * from the mlx4_bitmap whose uid is <uid>. The bitmap which we actually
1443  * allocated from is returned in <puid>. If the allocation fails, a negative
1444  * number is returned. Otherwise, the offset of the first object is returned.
1445  */
1446 u32 mlx4_zone_alloc_entries(struct mlx4_zone_allocator *zones, u32 uid, int count,
1447 			    int align, u32 skip_mask, u32 *puid);
1448 
1449 /* Free <count> objects, start from <obj> of the uid <uid> from zone_allocator
1450  * <zones>.
1451  */
1452 u32 mlx4_zone_free_entries(struct mlx4_zone_allocator *zones,
1453 			   u32 uid, u32 obj, u32 count);
1454 
1455 /* If <zones> was allocated with MLX4_ZONE_ALLOC_FLAGS_NO_OVERLAP, instead of
1456  * specifying the uid when freeing an object, zone allocator could figure it by
1457  * itself. Other parameters are similar to mlx4_zone_free.
1458  */
1459 u32 mlx4_zone_free_entries_unique(struct mlx4_zone_allocator *zones, u32 obj, u32 count);
1460 
1461 /* Returns a pointer to mlx4_bitmap that was attached to <zones> with <uid> */
1462 struct mlx4_bitmap *mlx4_zone_get_bitmap(struct mlx4_zone_allocator *zones, u32 uid);
1463 
1464 #endif /* MLX4_H */
1465