xref: /linux/drivers/net/ethernet/mellanox/mlx4/mlx4.h (revision ca55b2fef3a9373fcfc30f82fd26bc7fccbda732)
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 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/interrupt.h>
47 #include <linux/spinlock.h>
48 
49 #include <linux/mlx4/device.h>
50 #include <linux/mlx4/driver.h>
51 #include <linux/mlx4/doorbell.h>
52 #include <linux/mlx4/cmd.h>
53 #include "fw_qos.h"
54 
55 #define DRV_NAME	"mlx4_core"
56 #define PFX		DRV_NAME ": "
57 #define DRV_VERSION	"2.2-1"
58 #define DRV_RELDATE	"Feb, 2014"
59 
60 #define MLX4_FS_UDP_UC_EN		(1 << 1)
61 #define MLX4_FS_TCP_UC_EN		(1 << 2)
62 #define MLX4_FS_NUM_OF_L2_ADDR		8
63 #define MLX4_FS_MGM_LOG_ENTRY_SIZE	7
64 #define MLX4_FS_NUM_MCG			(1 << 17)
65 
66 #define INIT_HCA_TPT_MW_ENABLE          (1 << 7)
67 
68 #define MLX4_QUERY_IF_STAT_RESET	BIT(31)
69 
70 enum {
71 	MLX4_HCR_BASE		= 0x80680,
72 	MLX4_HCR_SIZE		= 0x0001c,
73 	MLX4_CLR_INT_SIZE	= 0x00008,
74 	MLX4_SLAVE_COMM_BASE	= 0x0,
75 	MLX4_COMM_PAGESIZE	= 0x1000,
76 	MLX4_CLOCK_SIZE		= 0x00008,
77 	MLX4_COMM_CHAN_CAPS	= 0x8,
78 	MLX4_COMM_CHAN_FLAGS	= 0xc
79 };
80 
81 enum {
82 	MLX4_DEFAULT_MGM_LOG_ENTRY_SIZE = 10,
83 	MLX4_MIN_MGM_LOG_ENTRY_SIZE = 7,
84 	MLX4_MAX_MGM_LOG_ENTRY_SIZE = 12,
85 	MLX4_MAX_QP_PER_MGM = 4 * ((1 << MLX4_MAX_MGM_LOG_ENTRY_SIZE) / 16 - 2),
86 	MLX4_MTT_ENTRY_PER_SEG	= 8,
87 };
88 
89 enum {
90 	MLX4_NUM_PDS		= 1 << 15
91 };
92 
93 enum {
94 	MLX4_CMPT_TYPE_QP	= 0,
95 	MLX4_CMPT_TYPE_SRQ	= 1,
96 	MLX4_CMPT_TYPE_CQ	= 2,
97 	MLX4_CMPT_TYPE_EQ	= 3,
98 	MLX4_CMPT_NUM_TYPE
99 };
100 
101 enum {
102 	MLX4_CMPT_SHIFT		= 24,
103 	MLX4_NUM_CMPTS		= MLX4_CMPT_NUM_TYPE << MLX4_CMPT_SHIFT
104 };
105 
106 enum mlx4_mpt_state {
107 	MLX4_MPT_DISABLED = 0,
108 	MLX4_MPT_EN_HW,
109 	MLX4_MPT_EN_SW
110 };
111 
112 #define MLX4_COMM_TIME		10000
113 #define MLX4_COMM_OFFLINE_TIME_OUT 30000
114 #define MLX4_COMM_CMD_NA_OP    0x0
115 
116 
117 enum {
118 	MLX4_COMM_CMD_RESET,
119 	MLX4_COMM_CMD_VHCR0,
120 	MLX4_COMM_CMD_VHCR1,
121 	MLX4_COMM_CMD_VHCR2,
122 	MLX4_COMM_CMD_VHCR_EN,
123 	MLX4_COMM_CMD_VHCR_POST,
124 	MLX4_COMM_CMD_FLR = 254
125 };
126 
127 enum {
128 	MLX4_VF_SMI_DISABLED,
129 	MLX4_VF_SMI_ENABLED
130 };
131 
132 /*The flag indicates that the slave should delay the RESET cmd*/
133 #define MLX4_DELAY_RESET_SLAVE 0xbbbbbbb
134 /*indicates how many retries will be done if we are in the middle of FLR*/
135 #define NUM_OF_RESET_RETRIES	10
136 #define SLEEP_TIME_IN_RESET	(2 * 1000)
137 enum mlx4_resource {
138 	RES_QP,
139 	RES_CQ,
140 	RES_SRQ,
141 	RES_XRCD,
142 	RES_MPT,
143 	RES_MTT,
144 	RES_MAC,
145 	RES_VLAN,
146 	RES_EQ,
147 	RES_COUNTER,
148 	RES_FS_RULE,
149 	MLX4_NUM_OF_RESOURCE_TYPE
150 };
151 
152 enum mlx4_alloc_mode {
153 	RES_OP_RESERVE,
154 	RES_OP_RESERVE_AND_MAP,
155 	RES_OP_MAP_ICM,
156 };
157 
158 enum mlx4_res_tracker_free_type {
159 	RES_TR_FREE_ALL,
160 	RES_TR_FREE_SLAVES_ONLY,
161 	RES_TR_FREE_STRUCTS_ONLY,
162 };
163 
164 /*
165  *Virtual HCR structures.
166  * mlx4_vhcr is the sw representation, in machine endianness
167  *
168  * mlx4_vhcr_cmd is the formalized structure, the one that is passed
169  * to FW to go through communication channel.
170  * It is big endian, and has the same structure as the physical HCR
171  * used by command interface
172  */
173 struct mlx4_vhcr {
174 	u64	in_param;
175 	u64	out_param;
176 	u32	in_modifier;
177 	u32	errno;
178 	u16	op;
179 	u16	token;
180 	u8	op_modifier;
181 	u8	e_bit;
182 };
183 
184 struct mlx4_vhcr_cmd {
185 	__be64 in_param;
186 	__be32 in_modifier;
187 	u32 reserved1;
188 	__be64 out_param;
189 	__be16 token;
190 	u16 reserved;
191 	u8 status;
192 	u8 flags;
193 	__be16 opcode;
194 };
195 
196 struct mlx4_cmd_info {
197 	u16 opcode;
198 	bool has_inbox;
199 	bool has_outbox;
200 	bool out_is_imm;
201 	bool encode_slave_id;
202 	int (*verify)(struct mlx4_dev *dev, int slave, struct mlx4_vhcr *vhcr,
203 		      struct mlx4_cmd_mailbox *inbox);
204 	int (*wrapper)(struct mlx4_dev *dev, int slave, struct mlx4_vhcr *vhcr,
205 		       struct mlx4_cmd_mailbox *inbox,
206 		       struct mlx4_cmd_mailbox *outbox,
207 		       struct mlx4_cmd_info *cmd);
208 };
209 
210 #ifdef CONFIG_MLX4_DEBUG
211 extern int mlx4_debug_level;
212 #else /* CONFIG_MLX4_DEBUG */
213 #define mlx4_debug_level	(0)
214 #endif /* CONFIG_MLX4_DEBUG */
215 
216 #define mlx4_dbg(mdev, format, ...)					\
217 do {									\
218 	if (mlx4_debug_level)						\
219 		dev_printk(KERN_DEBUG,					\
220 			   &(mdev)->persist->pdev->dev, format,		\
221 			   ##__VA_ARGS__);				\
222 } while (0)
223 
224 #define mlx4_err(mdev, format, ...)					\
225 	dev_err(&(mdev)->persist->pdev->dev, format, ##__VA_ARGS__)
226 #define mlx4_info(mdev, format, ...)					\
227 	dev_info(&(mdev)->persist->pdev->dev, format, ##__VA_ARGS__)
228 #define mlx4_warn(mdev, format, ...)					\
229 	dev_warn(&(mdev)->persist->pdev->dev, format, ##__VA_ARGS__)
230 
231 extern int mlx4_log_num_mgm_entry_size;
232 extern int log_mtts_per_seg;
233 extern int mlx4_internal_err_reset;
234 
235 #define MLX4_MAX_NUM_SLAVES	(min(MLX4_MAX_NUM_PF + MLX4_MAX_NUM_VF, \
236 				     MLX4_MFUNC_MAX))
237 #define ALL_SLAVES 0xff
238 
239 struct mlx4_bitmap {
240 	u32			last;
241 	u32			top;
242 	u32			max;
243 	u32                     reserved_top;
244 	u32			mask;
245 	u32			avail;
246 	u32			effective_len;
247 	spinlock_t		lock;
248 	unsigned long	       *table;
249 };
250 
251 struct mlx4_buddy {
252 	unsigned long	      **bits;
253 	unsigned int	       *num_free;
254 	u32			max_order;
255 	spinlock_t		lock;
256 };
257 
258 struct mlx4_icm;
259 
260 struct mlx4_icm_table {
261 	u64			virt;
262 	int			num_icm;
263 	u32			num_obj;
264 	int			obj_size;
265 	int			lowmem;
266 	int			coherent;
267 	struct mutex		mutex;
268 	struct mlx4_icm	      **icm;
269 };
270 
271 #define MLX4_MPT_FLAG_SW_OWNS	    (0xfUL << 28)
272 #define MLX4_MPT_FLAG_FREE	    (0x3UL << 28)
273 #define MLX4_MPT_FLAG_MIO	    (1 << 17)
274 #define MLX4_MPT_FLAG_BIND_ENABLE   (1 << 15)
275 #define MLX4_MPT_FLAG_PHYSICAL	    (1 <<  9)
276 #define MLX4_MPT_FLAG_REGION	    (1 <<  8)
277 
278 #define MLX4_MPT_PD_MASK	    (0x1FFFFUL)
279 #define MLX4_MPT_PD_VF_MASK	    (0xFE0000UL)
280 #define MLX4_MPT_PD_FLAG_FAST_REG   (1 << 27)
281 #define MLX4_MPT_PD_FLAG_RAE	    (1 << 28)
282 #define MLX4_MPT_PD_FLAG_EN_INV	    (3 << 24)
283 
284 #define MLX4_MPT_QP_FLAG_BOUND_QP   (1 << 7)
285 
286 #define MLX4_MPT_STATUS_SW		0xF0
287 #define MLX4_MPT_STATUS_HW		0x00
288 
289 #define MLX4_CQE_SIZE_MASK_STRIDE	0x3
290 #define MLX4_EQE_SIZE_MASK_STRIDE	0x30
291 
292 #define MLX4_EQ_ASYNC			0
293 #define MLX4_EQ_TO_CQ_VECTOR(vector)	((vector) - \
294 					 !!((int)(vector) >= MLX4_EQ_ASYNC))
295 #define MLX4_CQ_TO_EQ_VECTOR(vector)	((vector) + \
296 					 !!((int)(vector) >= MLX4_EQ_ASYNC))
297 
298 /*
299  * Must be packed because mtt_seg is 64 bits but only aligned to 32 bits.
300  */
301 struct mlx4_mpt_entry {
302 	__be32 flags;
303 	__be32 qpn;
304 	__be32 key;
305 	__be32 pd_flags;
306 	__be64 start;
307 	__be64 length;
308 	__be32 lkey;
309 	__be32 win_cnt;
310 	u8	reserved1[3];
311 	u8	mtt_rep;
312 	__be64 mtt_addr;
313 	__be32 mtt_sz;
314 	__be32 entity_size;
315 	__be32 first_byte_offset;
316 } __packed;
317 
318 /*
319  * Must be packed because start is 64 bits but only aligned to 32 bits.
320  */
321 struct mlx4_eq_context {
322 	__be32			flags;
323 	u16			reserved1[3];
324 	__be16			page_offset;
325 	u8			log_eq_size;
326 	u8			reserved2[4];
327 	u8			eq_period;
328 	u8			reserved3;
329 	u8			eq_max_count;
330 	u8			reserved4[3];
331 	u8			intr;
332 	u8			log_page_size;
333 	u8			reserved5[2];
334 	u8			mtt_base_addr_h;
335 	__be32			mtt_base_addr_l;
336 	u32			reserved6[2];
337 	__be32			consumer_index;
338 	__be32			producer_index;
339 	u32			reserved7[4];
340 };
341 
342 struct mlx4_cq_context {
343 	__be32			flags;
344 	u16			reserved1[3];
345 	__be16			page_offset;
346 	__be32			logsize_usrpage;
347 	__be16			cq_period;
348 	__be16			cq_max_count;
349 	u8			reserved2[3];
350 	u8			comp_eqn;
351 	u8			log_page_size;
352 	u8			reserved3[2];
353 	u8			mtt_base_addr_h;
354 	__be32			mtt_base_addr_l;
355 	__be32			last_notified_index;
356 	__be32			solicit_producer_index;
357 	__be32			consumer_index;
358 	__be32			producer_index;
359 	u32			reserved4[2];
360 	__be64			db_rec_addr;
361 };
362 
363 struct mlx4_srq_context {
364 	__be32			state_logsize_srqn;
365 	u8			logstride;
366 	u8			reserved1;
367 	__be16			xrcd;
368 	__be32			pg_offset_cqn;
369 	u32			reserved2;
370 	u8			log_page_size;
371 	u8			reserved3[2];
372 	u8			mtt_base_addr_h;
373 	__be32			mtt_base_addr_l;
374 	__be32			pd;
375 	__be16			limit_watermark;
376 	__be16			wqe_cnt;
377 	u16			reserved4;
378 	__be16			wqe_counter;
379 	u32			reserved5;
380 	__be64			db_rec_addr;
381 };
382 
383 struct mlx4_eq_tasklet {
384 	struct list_head list;
385 	struct list_head process_list;
386 	struct tasklet_struct task;
387 	/* lock on completion tasklet list */
388 	spinlock_t lock;
389 };
390 
391 struct mlx4_eq {
392 	struct mlx4_dev	       *dev;
393 	void __iomem	       *doorbell;
394 	int			eqn;
395 	u32			cons_index;
396 	u16			irq;
397 	u16			have_irq;
398 	int			nent;
399 	struct mlx4_buf_list   *page_list;
400 	struct mlx4_mtt		mtt;
401 	struct mlx4_eq_tasklet	tasklet_ctx;
402 	struct mlx4_active_ports actv_ports;
403 	u32			ref_count;
404 	cpumask_var_t		affinity_mask;
405 };
406 
407 struct mlx4_slave_eqe {
408 	u8 type;
409 	u8 port;
410 	u32 param;
411 };
412 
413 struct mlx4_slave_event_eq_info {
414 	int eqn;
415 	u16 token;
416 };
417 
418 struct mlx4_profile {
419 	int			num_qp;
420 	int			rdmarc_per_qp;
421 	int			num_srq;
422 	int			num_cq;
423 	int			num_mcg;
424 	int			num_mpt;
425 	unsigned		num_mtt;
426 };
427 
428 struct mlx4_fw {
429 	u64			clr_int_base;
430 	u64			catas_offset;
431 	u64			comm_base;
432 	u64			clock_offset;
433 	struct mlx4_icm	       *fw_icm;
434 	struct mlx4_icm	       *aux_icm;
435 	u32			catas_size;
436 	u16			fw_pages;
437 	u8			clr_int_bar;
438 	u8			catas_bar;
439 	u8			comm_bar;
440 	u8			clock_bar;
441 };
442 
443 struct mlx4_comm {
444 	u32			slave_write;
445 	u32			slave_read;
446 };
447 
448 enum {
449 	MLX4_MCAST_CONFIG       = 0,
450 	MLX4_MCAST_DISABLE      = 1,
451 	MLX4_MCAST_ENABLE       = 2,
452 };
453 
454 #define VLAN_FLTR_SIZE	128
455 
456 struct mlx4_vlan_fltr {
457 	__be32 entry[VLAN_FLTR_SIZE];
458 };
459 
460 struct mlx4_mcast_entry {
461 	struct list_head list;
462 	u64 addr;
463 };
464 
465 struct mlx4_promisc_qp {
466 	struct list_head list;
467 	u32 qpn;
468 };
469 
470 struct mlx4_steer_index {
471 	struct list_head list;
472 	unsigned int index;
473 	struct list_head duplicates;
474 };
475 
476 #define MLX4_EVENT_TYPES_NUM 64
477 
478 struct mlx4_slave_state {
479 	u8 comm_toggle;
480 	u8 last_cmd;
481 	u8 init_port_mask;
482 	bool active;
483 	bool old_vlan_api;
484 	u8 function;
485 	dma_addr_t vhcr_dma;
486 	u16 mtu[MLX4_MAX_PORTS + 1];
487 	__be32 ib_cap_mask[MLX4_MAX_PORTS + 1];
488 	struct mlx4_slave_eqe eq[MLX4_MFUNC_MAX_EQES];
489 	struct list_head mcast_filters[MLX4_MAX_PORTS + 1];
490 	struct mlx4_vlan_fltr *vlan_filter[MLX4_MAX_PORTS + 1];
491 	/* event type to eq number lookup */
492 	struct mlx4_slave_event_eq_info event_eq[MLX4_EVENT_TYPES_NUM];
493 	u16 eq_pi;
494 	u16 eq_ci;
495 	spinlock_t lock;
496 	/*initialized via the kzalloc*/
497 	u8 is_slave_going_down;
498 	u32 cookie;
499 	enum slave_port_state port_state[MLX4_MAX_PORTS + 1];
500 };
501 
502 #define MLX4_VGT 4095
503 #define NO_INDX  (-1)
504 
505 struct mlx4_vport_state {
506 	u64 mac;
507 	u16 default_vlan;
508 	u8  default_qos;
509 	u32 tx_rate;
510 	bool spoofchk;
511 	u32 link_state;
512 	u8 qos_vport;
513 	__be64 guid;
514 };
515 
516 struct mlx4_vf_admin_state {
517 	struct mlx4_vport_state vport[MLX4_MAX_PORTS + 1];
518 	u8 enable_smi[MLX4_MAX_PORTS + 1];
519 };
520 
521 struct mlx4_vport_oper_state {
522 	struct mlx4_vport_state state;
523 	int mac_idx;
524 	int vlan_idx;
525 };
526 
527 struct mlx4_vf_oper_state {
528 	struct mlx4_vport_oper_state vport[MLX4_MAX_PORTS + 1];
529 	u8 smi_enabled[MLX4_MAX_PORTS + 1];
530 };
531 
532 struct slave_list {
533 	struct mutex mutex;
534 	struct list_head res_list[MLX4_NUM_OF_RESOURCE_TYPE];
535 };
536 
537 struct resource_allocator {
538 	spinlock_t alloc_lock; /* protect quotas */
539 	union {
540 		int res_reserved;
541 		int res_port_rsvd[MLX4_MAX_PORTS];
542 	};
543 	union {
544 		int res_free;
545 		int res_port_free[MLX4_MAX_PORTS];
546 	};
547 	int *quota;
548 	int *allocated;
549 	int *guaranteed;
550 };
551 
552 struct mlx4_resource_tracker {
553 	spinlock_t lock;
554 	/* tree for each resources */
555 	struct rb_root res_tree[MLX4_NUM_OF_RESOURCE_TYPE];
556 	/* num_of_slave's lists, one per slave */
557 	struct slave_list *slave_list;
558 	struct resource_allocator res_alloc[MLX4_NUM_OF_RESOURCE_TYPE];
559 };
560 
561 #define SLAVE_EVENT_EQ_SIZE	128
562 struct mlx4_slave_event_eq {
563 	u32 eqn;
564 	u32 cons;
565 	u32 prod;
566 	spinlock_t event_lock;
567 	struct mlx4_eqe event_eqe[SLAVE_EVENT_EQ_SIZE];
568 };
569 
570 struct mlx4_qos_manager {
571 	int num_of_qos_vfs;
572 	DECLARE_BITMAP(priority_bm, MLX4_NUM_UP);
573 };
574 
575 struct mlx4_master_qp0_state {
576 	int proxy_qp0_active;
577 	int qp0_active;
578 	int port_active;
579 };
580 
581 struct mlx4_mfunc_master_ctx {
582 	struct mlx4_slave_state *slave_state;
583 	struct mlx4_vf_admin_state *vf_admin;
584 	struct mlx4_vf_oper_state *vf_oper;
585 	struct mlx4_master_qp0_state qp0_state[MLX4_MAX_PORTS + 1];
586 	int			init_port_ref[MLX4_MAX_PORTS + 1];
587 	u16			max_mtu[MLX4_MAX_PORTS + 1];
588 	int			disable_mcast_ref[MLX4_MAX_PORTS + 1];
589 	struct mlx4_resource_tracker res_tracker;
590 	struct workqueue_struct *comm_wq;
591 	struct work_struct	comm_work;
592 	struct work_struct	slave_event_work;
593 	struct work_struct	slave_flr_event_work;
594 	spinlock_t		slave_state_lock;
595 	__be32			comm_arm_bit_vector[4];
596 	struct mlx4_eqe		cmd_eqe;
597 	struct mlx4_slave_event_eq slave_eq;
598 	struct mutex		gen_eqe_mutex[MLX4_MFUNC_MAX];
599 	struct mlx4_qos_manager qos_ctl[MLX4_MAX_PORTS + 1];
600 };
601 
602 struct mlx4_mfunc {
603 	struct mlx4_comm __iomem       *comm;
604 	struct mlx4_vhcr_cmd	       *vhcr;
605 	dma_addr_t			vhcr_dma;
606 
607 	struct mlx4_mfunc_master_ctx	master;
608 };
609 
610 #define MGM_QPN_MASK       0x00FFFFFF
611 #define MGM_BLCK_LB_BIT    30
612 
613 struct mlx4_mgm {
614 	__be32			next_gid_index;
615 	__be32			members_count;
616 	u32			reserved[2];
617 	u8			gid[16];
618 	__be32			qp[MLX4_MAX_QP_PER_MGM];
619 };
620 
621 struct mlx4_cmd {
622 	struct pci_pool	       *pool;
623 	void __iomem	       *hcr;
624 	struct mutex		slave_cmd_mutex;
625 	struct semaphore	poll_sem;
626 	struct semaphore	event_sem;
627 	int			max_cmds;
628 	spinlock_t		context_lock;
629 	int			free_head;
630 	struct mlx4_cmd_context *context;
631 	u16			token_mask;
632 	u8			use_events;
633 	u8			toggle;
634 	u8			comm_toggle;
635 	u8			initialized;
636 };
637 
638 enum {
639 	MLX4_VF_IMMED_VLAN_FLAG_VLAN = 1 << 0,
640 	MLX4_VF_IMMED_VLAN_FLAG_QOS = 1 << 1,
641 	MLX4_VF_IMMED_VLAN_FLAG_LINK_DISABLE = 1 << 2,
642 };
643 struct mlx4_vf_immed_vlan_work {
644 	struct work_struct	work;
645 	struct mlx4_priv	*priv;
646 	int			flags;
647 	int			slave;
648 	int			vlan_ix;
649 	int			orig_vlan_ix;
650 	u8			port;
651 	u8			qos;
652 	u8                      qos_vport;
653 	u16			vlan_id;
654 	u16			orig_vlan_id;
655 };
656 
657 
658 struct mlx4_uar_table {
659 	struct mlx4_bitmap	bitmap;
660 };
661 
662 struct mlx4_mr_table {
663 	struct mlx4_bitmap	mpt_bitmap;
664 	struct mlx4_buddy	mtt_buddy;
665 	u64			mtt_base;
666 	u64			mpt_base;
667 	struct mlx4_icm_table	mtt_table;
668 	struct mlx4_icm_table	dmpt_table;
669 };
670 
671 struct mlx4_cq_table {
672 	struct mlx4_bitmap	bitmap;
673 	spinlock_t		lock;
674 	struct radix_tree_root	tree;
675 	struct mlx4_icm_table	table;
676 	struct mlx4_icm_table	cmpt_table;
677 };
678 
679 struct mlx4_eq_table {
680 	struct mlx4_bitmap	bitmap;
681 	char		       *irq_names;
682 	void __iomem	       *clr_int;
683 	void __iomem	      **uar_map;
684 	u32			clr_mask;
685 	struct mlx4_eq	       *eq;
686 	struct mlx4_icm_table	table;
687 	struct mlx4_icm_table	cmpt_table;
688 	int			have_irq;
689 	u8			inta_pin;
690 };
691 
692 struct mlx4_srq_table {
693 	struct mlx4_bitmap	bitmap;
694 	spinlock_t		lock;
695 	struct radix_tree_root	tree;
696 	struct mlx4_icm_table	table;
697 	struct mlx4_icm_table	cmpt_table;
698 };
699 
700 enum mlx4_qp_table_zones {
701 	MLX4_QP_TABLE_ZONE_GENERAL,
702 	MLX4_QP_TABLE_ZONE_RSS,
703 	MLX4_QP_TABLE_ZONE_RAW_ETH,
704 	MLX4_QP_TABLE_ZONE_NUM
705 };
706 
707 struct mlx4_qp_table {
708 	struct mlx4_bitmap	*bitmap_gen;
709 	struct mlx4_zone_allocator *zones;
710 	u32			zones_uids[MLX4_QP_TABLE_ZONE_NUM];
711 	u32			rdmarc_base;
712 	int			rdmarc_shift;
713 	spinlock_t		lock;
714 	struct mlx4_icm_table	qp_table;
715 	struct mlx4_icm_table	auxc_table;
716 	struct mlx4_icm_table	altc_table;
717 	struct mlx4_icm_table	rdmarc_table;
718 	struct mlx4_icm_table	cmpt_table;
719 };
720 
721 struct mlx4_mcg_table {
722 	struct mutex		mutex;
723 	struct mlx4_bitmap	bitmap;
724 	struct mlx4_icm_table	table;
725 };
726 
727 struct mlx4_catas_err {
728 	u32 __iomem	       *map;
729 	struct timer_list	timer;
730 	struct list_head	list;
731 };
732 
733 #define MLX4_MAX_MAC_NUM	128
734 #define MLX4_MAC_TABLE_SIZE	(MLX4_MAX_MAC_NUM << 3)
735 
736 struct mlx4_mac_table {
737 	__be64			entries[MLX4_MAX_MAC_NUM];
738 	int			refs[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 	struct mutex		mutex;
762 	int			total;
763 	int			max;
764 };
765 
766 #define SET_PORT_GEN_ALL_VALID		0x7
767 #define SET_PORT_PROMISC_SHIFT		31
768 #define SET_PORT_MC_PROMISC_SHIFT	30
769 
770 enum {
771 	MCAST_DIRECT_ONLY	= 0,
772 	MCAST_DIRECT		= 1,
773 	MCAST_DEFAULT		= 2
774 };
775 
776 
777 struct mlx4_set_port_general_context {
778 	u16 reserved1;
779 	u8 v_ignore_fcs;
780 	u8 flags;
781 	u8 ignore_fcs;
782 	u8 reserved2;
783 	__be16 mtu;
784 	u8 pptx;
785 	u8 pfctx;
786 	u16 reserved3;
787 	u8 pprx;
788 	u8 pfcrx;
789 	u16 reserved4;
790 	u32 reserved5;
791 	u8 phv_en;
792 	u8 reserved6[3];
793 };
794 
795 struct mlx4_set_port_rqp_calc_context {
796 	__be32 base_qpn;
797 	u8 rererved;
798 	u8 n_mac;
799 	u8 n_vlan;
800 	u8 n_prio;
801 	u8 reserved2[3];
802 	u8 mac_miss;
803 	u8 intra_no_vlan;
804 	u8 no_vlan;
805 	u8 intra_vlan_miss;
806 	u8 vlan_miss;
807 	u8 reserved3[3];
808 	u8 no_vlan_prio;
809 	__be32 promisc;
810 	__be32 mcast;
811 };
812 
813 struct mlx4_port_info {
814 	struct mlx4_dev	       *dev;
815 	int			port;
816 	char			dev_name[16];
817 	struct device_attribute port_attr;
818 	enum mlx4_port_type	tmp_type;
819 	char			dev_mtu_name[16];
820 	struct device_attribute port_mtu_attr;
821 	struct mlx4_mac_table	mac_table;
822 	struct mlx4_vlan_table	vlan_table;
823 	struct mlx4_roce_gid_table gid_table;
824 	int			base_qpn;
825 	struct cpu_rmap		*rmap;
826 };
827 
828 struct mlx4_sense {
829 	struct mlx4_dev		*dev;
830 	u8			do_sense_port[MLX4_MAX_PORTS + 1];
831 	u8			sense_allowed[MLX4_MAX_PORTS + 1];
832 	struct delayed_work	sense_poll;
833 };
834 
835 struct mlx4_msix_ctl {
836 	DECLARE_BITMAP(pool_bm, MAX_MSIX);
837 	struct mutex	pool_lock;
838 };
839 
840 struct mlx4_steer {
841 	struct list_head promisc_qps[MLX4_NUM_STEERS];
842 	struct list_head steer_entries[MLX4_NUM_STEERS];
843 };
844 
845 enum {
846 	MLX4_PCI_DEV_IS_VF		= 1 << 0,
847 	MLX4_PCI_DEV_FORCE_SENSE_PORT	= 1 << 1,
848 };
849 
850 enum {
851 	MLX4_NO_RR	= 0,
852 	MLX4_USE_RR	= 1,
853 };
854 
855 struct mlx4_priv {
856 	struct mlx4_dev		dev;
857 
858 	struct list_head	dev_list;
859 	struct list_head	ctx_list;
860 	spinlock_t		ctx_lock;
861 
862 	int			pci_dev_data;
863 	int                     removed;
864 
865 	struct list_head        pgdir_list;
866 	struct mutex            pgdir_mutex;
867 
868 	struct mlx4_fw		fw;
869 	struct mlx4_cmd		cmd;
870 	struct mlx4_mfunc	mfunc;
871 
872 	struct mlx4_bitmap	pd_bitmap;
873 	struct mlx4_bitmap	xrcd_bitmap;
874 	struct mlx4_uar_table	uar_table;
875 	struct mlx4_mr_table	mr_table;
876 	struct mlx4_cq_table	cq_table;
877 	struct mlx4_eq_table	eq_table;
878 	struct mlx4_srq_table	srq_table;
879 	struct mlx4_qp_table	qp_table;
880 	struct mlx4_mcg_table	mcg_table;
881 	struct mlx4_bitmap	counters_bitmap;
882 	int			def_counter[MLX4_MAX_PORTS];
883 
884 	struct mlx4_catas_err	catas_err;
885 
886 	void __iomem	       *clr_base;
887 
888 	struct mlx4_uar		driver_uar;
889 	void __iomem	       *kar;
890 	struct mlx4_port_info	port[MLX4_MAX_PORTS + 1];
891 	struct mlx4_sense       sense;
892 	struct mutex		port_mutex;
893 	struct mlx4_msix_ctl	msix_ctl;
894 	struct mlx4_steer	*steer;
895 	struct list_head	bf_list;
896 	struct mutex		bf_mutex;
897 	struct io_mapping	*bf_mapping;
898 	void __iomem            *clock_mapping;
899 	int			reserved_mtts;
900 	int			fs_hash_mode;
901 	u8 virt2phys_pkey[MLX4_MFUNC_MAX][MLX4_MAX_PORTS][MLX4_MAX_PORT_PKEYS];
902 	struct mlx4_port_map	v2p; /* cached port mapping configuration */
903 	struct mutex		bond_mutex; /* for bond mode */
904 	__be64			slave_node_guids[MLX4_MFUNC_MAX];
905 
906 	atomic_t		opreq_count;
907 	struct work_struct	opreq_task;
908 };
909 
910 static inline struct mlx4_priv *mlx4_priv(struct mlx4_dev *dev)
911 {
912 	return container_of(dev, struct mlx4_priv, dev);
913 }
914 
915 #define MLX4_SENSE_RANGE	(HZ * 3)
916 
917 extern struct workqueue_struct *mlx4_wq;
918 
919 u32 mlx4_bitmap_alloc(struct mlx4_bitmap *bitmap);
920 void mlx4_bitmap_free(struct mlx4_bitmap *bitmap, u32 obj, int use_rr);
921 u32 mlx4_bitmap_alloc_range(struct mlx4_bitmap *bitmap, int cnt,
922 			    int align, u32 skip_mask);
923 void mlx4_bitmap_free_range(struct mlx4_bitmap *bitmap, u32 obj, int cnt,
924 			    int use_rr);
925 u32 mlx4_bitmap_avail(struct mlx4_bitmap *bitmap);
926 int mlx4_bitmap_init(struct mlx4_bitmap *bitmap, u32 num, u32 mask,
927 		     u32 reserved_bot, u32 resetrved_top);
928 void mlx4_bitmap_cleanup(struct mlx4_bitmap *bitmap);
929 
930 int mlx4_reset(struct mlx4_dev *dev);
931 
932 int mlx4_alloc_eq_table(struct mlx4_dev *dev);
933 void mlx4_free_eq_table(struct mlx4_dev *dev);
934 
935 int mlx4_init_pd_table(struct mlx4_dev *dev);
936 int mlx4_init_xrcd_table(struct mlx4_dev *dev);
937 int mlx4_init_uar_table(struct mlx4_dev *dev);
938 int mlx4_init_mr_table(struct mlx4_dev *dev);
939 int mlx4_init_eq_table(struct mlx4_dev *dev);
940 int mlx4_init_cq_table(struct mlx4_dev *dev);
941 int mlx4_init_qp_table(struct mlx4_dev *dev);
942 int mlx4_init_srq_table(struct mlx4_dev *dev);
943 int mlx4_init_mcg_table(struct mlx4_dev *dev);
944 
945 void mlx4_cleanup_pd_table(struct mlx4_dev *dev);
946 void mlx4_cleanup_xrcd_table(struct mlx4_dev *dev);
947 void mlx4_cleanup_uar_table(struct mlx4_dev *dev);
948 void mlx4_cleanup_mr_table(struct mlx4_dev *dev);
949 void mlx4_cleanup_eq_table(struct mlx4_dev *dev);
950 void mlx4_cleanup_cq_table(struct mlx4_dev *dev);
951 void mlx4_cleanup_qp_table(struct mlx4_dev *dev);
952 void mlx4_cleanup_srq_table(struct mlx4_dev *dev);
953 void mlx4_cleanup_mcg_table(struct mlx4_dev *dev);
954 int __mlx4_qp_alloc_icm(struct mlx4_dev *dev, int qpn, gfp_t gfp);
955 void __mlx4_qp_free_icm(struct mlx4_dev *dev, int qpn);
956 int __mlx4_cq_alloc_icm(struct mlx4_dev *dev, int *cqn);
957 void __mlx4_cq_free_icm(struct mlx4_dev *dev, int cqn);
958 int __mlx4_srq_alloc_icm(struct mlx4_dev *dev, int *srqn);
959 void __mlx4_srq_free_icm(struct mlx4_dev *dev, int srqn);
960 int __mlx4_mpt_reserve(struct mlx4_dev *dev);
961 void __mlx4_mpt_release(struct mlx4_dev *dev, u32 index);
962 int __mlx4_mpt_alloc_icm(struct mlx4_dev *dev, u32 index, gfp_t gfp);
963 void __mlx4_mpt_free_icm(struct mlx4_dev *dev, u32 index);
964 u32 __mlx4_alloc_mtt_range(struct mlx4_dev *dev, int order);
965 void __mlx4_free_mtt_range(struct mlx4_dev *dev, u32 first_seg, int order);
966 
967 int mlx4_WRITE_MTT_wrapper(struct mlx4_dev *dev, int slave,
968 			   struct mlx4_vhcr *vhcr,
969 			   struct mlx4_cmd_mailbox *inbox,
970 			   struct mlx4_cmd_mailbox *outbox,
971 			   struct mlx4_cmd_info *cmd);
972 int mlx4_SYNC_TPT_wrapper(struct mlx4_dev *dev, int slave,
973 			   struct mlx4_vhcr *vhcr,
974 			   struct mlx4_cmd_mailbox *inbox,
975 			   struct mlx4_cmd_mailbox *outbox,
976 			   struct mlx4_cmd_info *cmd);
977 int mlx4_SW2HW_MPT_wrapper(struct mlx4_dev *dev, int slave,
978 			   struct mlx4_vhcr *vhcr,
979 			   struct mlx4_cmd_mailbox *inbox,
980 			   struct mlx4_cmd_mailbox *outbox,
981 			   struct mlx4_cmd_info *cmd);
982 int mlx4_HW2SW_MPT_wrapper(struct mlx4_dev *dev, int slave,
983 			   struct mlx4_vhcr *vhcr,
984 			   struct mlx4_cmd_mailbox *inbox,
985 			   struct mlx4_cmd_mailbox *outbox,
986 			   struct mlx4_cmd_info *cmd);
987 int mlx4_QUERY_MPT_wrapper(struct mlx4_dev *dev, int slave,
988 			   struct mlx4_vhcr *vhcr,
989 			   struct mlx4_cmd_mailbox *inbox,
990 			   struct mlx4_cmd_mailbox *outbox,
991 			   struct mlx4_cmd_info *cmd);
992 int mlx4_SW2HW_EQ_wrapper(struct mlx4_dev *dev, int slave,
993 			  struct mlx4_vhcr *vhcr,
994 			  struct mlx4_cmd_mailbox *inbox,
995 			  struct mlx4_cmd_mailbox *outbox,
996 			  struct mlx4_cmd_info *cmd);
997 int mlx4_CONFIG_DEV_wrapper(struct mlx4_dev *dev, int slave,
998 			    struct mlx4_vhcr *vhcr,
999 			    struct mlx4_cmd_mailbox *inbox,
1000 			    struct mlx4_cmd_mailbox *outbox,
1001 			    struct mlx4_cmd_info *cmd);
1002 int mlx4_DMA_wrapper(struct mlx4_dev *dev, int slave,
1003 		     struct mlx4_vhcr *vhcr,
1004 		     struct mlx4_cmd_mailbox *inbox,
1005 		     struct mlx4_cmd_mailbox *outbox,
1006 		     struct mlx4_cmd_info *cmd);
1007 int __mlx4_qp_reserve_range(struct mlx4_dev *dev, int cnt, int align,
1008 			    int *base, u8 flags);
1009 void __mlx4_qp_release_range(struct mlx4_dev *dev, int base_qpn, int cnt);
1010 int __mlx4_register_mac(struct mlx4_dev *dev, u8 port, u64 mac);
1011 void __mlx4_unregister_mac(struct mlx4_dev *dev, u8 port, u64 mac);
1012 int __mlx4_write_mtt(struct mlx4_dev *dev, struct mlx4_mtt *mtt,
1013 		     int start_index, int npages, u64 *page_list);
1014 int __mlx4_counter_alloc(struct mlx4_dev *dev, u32 *idx);
1015 void __mlx4_counter_free(struct mlx4_dev *dev, u32 idx);
1016 int mlx4_calc_vf_counters(struct mlx4_dev *dev, int slave, int port,
1017 			  struct mlx4_counter *data);
1018 int __mlx4_xrcd_alloc(struct mlx4_dev *dev, u32 *xrcdn);
1019 void __mlx4_xrcd_free(struct mlx4_dev *dev, u32 xrcdn);
1020 
1021 void mlx4_start_catas_poll(struct mlx4_dev *dev);
1022 void mlx4_stop_catas_poll(struct mlx4_dev *dev);
1023 int mlx4_catas_init(struct mlx4_dev *dev);
1024 void mlx4_catas_end(struct mlx4_dev *dev);
1025 int mlx4_restart_one(struct pci_dev *pdev);
1026 int mlx4_register_device(struct mlx4_dev *dev);
1027 void mlx4_unregister_device(struct mlx4_dev *dev);
1028 void mlx4_dispatch_event(struct mlx4_dev *dev, enum mlx4_dev_event type,
1029 			 unsigned long param);
1030 
1031 struct mlx4_dev_cap;
1032 struct mlx4_init_hca_param;
1033 
1034 u64 mlx4_make_profile(struct mlx4_dev *dev,
1035 		      struct mlx4_profile *request,
1036 		      struct mlx4_dev_cap *dev_cap,
1037 		      struct mlx4_init_hca_param *init_hca);
1038 void mlx4_master_comm_channel(struct work_struct *work);
1039 void mlx4_gen_slave_eqe(struct work_struct *work);
1040 void mlx4_master_handle_slave_flr(struct work_struct *work);
1041 
1042 int mlx4_ALLOC_RES_wrapper(struct mlx4_dev *dev, int slave,
1043 			   struct mlx4_vhcr *vhcr,
1044 			   struct mlx4_cmd_mailbox *inbox,
1045 			   struct mlx4_cmd_mailbox *outbox,
1046 			   struct mlx4_cmd_info *cmd);
1047 int mlx4_FREE_RES_wrapper(struct mlx4_dev *dev, int slave,
1048 			  struct mlx4_vhcr *vhcr,
1049 			  struct mlx4_cmd_mailbox *inbox,
1050 			  struct mlx4_cmd_mailbox *outbox,
1051 			  struct mlx4_cmd_info *cmd);
1052 int mlx4_MAP_EQ_wrapper(struct mlx4_dev *dev, int slave,
1053 			struct mlx4_vhcr *vhcr, struct mlx4_cmd_mailbox *inbox,
1054 			struct mlx4_cmd_mailbox *outbox,
1055 			struct mlx4_cmd_info *cmd);
1056 int mlx4_COMM_INT_wrapper(struct mlx4_dev *dev, int slave,
1057 			  struct mlx4_vhcr *vhcr,
1058 			  struct mlx4_cmd_mailbox *inbox,
1059 			  struct mlx4_cmd_mailbox *outbox,
1060 			  struct mlx4_cmd_info *cmd);
1061 int mlx4_HW2SW_EQ_wrapper(struct mlx4_dev *dev, int slave,
1062 			    struct mlx4_vhcr *vhcr,
1063 			    struct mlx4_cmd_mailbox *inbox,
1064 			    struct mlx4_cmd_mailbox *outbox,
1065 			  struct mlx4_cmd_info *cmd);
1066 int mlx4_QUERY_EQ_wrapper(struct mlx4_dev *dev, int slave,
1067 			  struct mlx4_vhcr *vhcr,
1068 			  struct mlx4_cmd_mailbox *inbox,
1069 			  struct mlx4_cmd_mailbox *outbox,
1070 			  struct mlx4_cmd_info *cmd);
1071 int mlx4_SW2HW_CQ_wrapper(struct mlx4_dev *dev, int slave,
1072 			  struct mlx4_vhcr *vhcr,
1073 			  struct mlx4_cmd_mailbox *inbox,
1074 			  struct mlx4_cmd_mailbox *outbox,
1075 			  struct mlx4_cmd_info *cmd);
1076 int mlx4_HW2SW_CQ_wrapper(struct mlx4_dev *dev, int slave,
1077 			  struct mlx4_vhcr *vhcr,
1078 			  struct mlx4_cmd_mailbox *inbox,
1079 			  struct mlx4_cmd_mailbox *outbox,
1080 			  struct mlx4_cmd_info *cmd);
1081 int mlx4_QUERY_CQ_wrapper(struct mlx4_dev *dev, int slave,
1082 			  struct mlx4_vhcr *vhcr,
1083 			  struct mlx4_cmd_mailbox *inbox,
1084 			  struct mlx4_cmd_mailbox *outbox,
1085 			  struct mlx4_cmd_info *cmd);
1086 int mlx4_MODIFY_CQ_wrapper(struct mlx4_dev *dev, int slave,
1087 			  struct mlx4_vhcr *vhcr,
1088 			  struct mlx4_cmd_mailbox *inbox,
1089 			  struct mlx4_cmd_mailbox *outbox,
1090 			   struct mlx4_cmd_info *cmd);
1091 int mlx4_SW2HW_SRQ_wrapper(struct mlx4_dev *dev, int slave,
1092 			   struct mlx4_vhcr *vhcr,
1093 			   struct mlx4_cmd_mailbox *inbox,
1094 			   struct mlx4_cmd_mailbox *outbox,
1095 			   struct mlx4_cmd_info *cmd);
1096 int mlx4_HW2SW_SRQ_wrapper(struct mlx4_dev *dev, int slave,
1097 			   struct mlx4_vhcr *vhcr,
1098 			   struct mlx4_cmd_mailbox *inbox,
1099 			   struct mlx4_cmd_mailbox *outbox,
1100 			   struct mlx4_cmd_info *cmd);
1101 int mlx4_QUERY_SRQ_wrapper(struct mlx4_dev *dev, int slave,
1102 			   struct mlx4_vhcr *vhcr,
1103 			   struct mlx4_cmd_mailbox *inbox,
1104 			   struct mlx4_cmd_mailbox *outbox,
1105 			   struct mlx4_cmd_info *cmd);
1106 int mlx4_ARM_SRQ_wrapper(struct mlx4_dev *dev, int slave,
1107 			 struct mlx4_vhcr *vhcr,
1108 			 struct mlx4_cmd_mailbox *inbox,
1109 			 struct mlx4_cmd_mailbox *outbox,
1110 			 struct mlx4_cmd_info *cmd);
1111 int mlx4_GEN_QP_wrapper(struct mlx4_dev *dev, int slave,
1112 			struct mlx4_vhcr *vhcr,
1113 			struct mlx4_cmd_mailbox *inbox,
1114 			struct mlx4_cmd_mailbox *outbox,
1115 			struct mlx4_cmd_info *cmd);
1116 int mlx4_RST2INIT_QP_wrapper(struct mlx4_dev *dev, int slave,
1117 			     struct mlx4_vhcr *vhcr,
1118 			     struct mlx4_cmd_mailbox *inbox,
1119 			     struct mlx4_cmd_mailbox *outbox,
1120 			     struct mlx4_cmd_info *cmd);
1121 int mlx4_INIT2INIT_QP_wrapper(struct mlx4_dev *dev, int slave,
1122 			      struct mlx4_vhcr *vhcr,
1123 			      struct mlx4_cmd_mailbox *inbox,
1124 			      struct mlx4_cmd_mailbox *outbox,
1125 			      struct mlx4_cmd_info *cmd);
1126 int mlx4_INIT2RTR_QP_wrapper(struct mlx4_dev *dev, int slave,
1127 			     struct mlx4_vhcr *vhcr,
1128 			     struct mlx4_cmd_mailbox *inbox,
1129 			     struct mlx4_cmd_mailbox *outbox,
1130 			     struct mlx4_cmd_info *cmd);
1131 int mlx4_RTR2RTS_QP_wrapper(struct mlx4_dev *dev, int slave,
1132 			    struct mlx4_vhcr *vhcr,
1133 			    struct mlx4_cmd_mailbox *inbox,
1134 			    struct mlx4_cmd_mailbox *outbox,
1135 			    struct mlx4_cmd_info *cmd);
1136 int mlx4_RTS2RTS_QP_wrapper(struct mlx4_dev *dev, int slave,
1137 			    struct mlx4_vhcr *vhcr,
1138 			    struct mlx4_cmd_mailbox *inbox,
1139 			    struct mlx4_cmd_mailbox *outbox,
1140 			    struct mlx4_cmd_info *cmd);
1141 int mlx4_SQERR2RTS_QP_wrapper(struct mlx4_dev *dev, int slave,
1142 			      struct mlx4_vhcr *vhcr,
1143 			      struct mlx4_cmd_mailbox *inbox,
1144 			      struct mlx4_cmd_mailbox *outbox,
1145 			      struct mlx4_cmd_info *cmd);
1146 int mlx4_2ERR_QP_wrapper(struct mlx4_dev *dev, int slave,
1147 			 struct mlx4_vhcr *vhcr,
1148 			 struct mlx4_cmd_mailbox *inbox,
1149 			 struct mlx4_cmd_mailbox *outbox,
1150 			 struct mlx4_cmd_info *cmd);
1151 int mlx4_RTS2SQD_QP_wrapper(struct mlx4_dev *dev, int slave,
1152 			    struct mlx4_vhcr *vhcr,
1153 			    struct mlx4_cmd_mailbox *inbox,
1154 			    struct mlx4_cmd_mailbox *outbox,
1155 			    struct mlx4_cmd_info *cmd);
1156 int mlx4_SQD2SQD_QP_wrapper(struct mlx4_dev *dev, int slave,
1157 			    struct mlx4_vhcr *vhcr,
1158 			    struct mlx4_cmd_mailbox *inbox,
1159 			    struct mlx4_cmd_mailbox *outbox,
1160 			    struct mlx4_cmd_info *cmd);
1161 int mlx4_SQD2RTS_QP_wrapper(struct mlx4_dev *dev, int slave,
1162 			    struct mlx4_vhcr *vhcr,
1163 			    struct mlx4_cmd_mailbox *inbox,
1164 			    struct mlx4_cmd_mailbox *outbox,
1165 			    struct mlx4_cmd_info *cmd);
1166 int mlx4_2RST_QP_wrapper(struct mlx4_dev *dev, int slave,
1167 			 struct mlx4_vhcr *vhcr,
1168 			 struct mlx4_cmd_mailbox *inbox,
1169 			 struct mlx4_cmd_mailbox *outbox,
1170 			 struct mlx4_cmd_info *cmd);
1171 int mlx4_QUERY_QP_wrapper(struct mlx4_dev *dev, int slave,
1172 			  struct mlx4_vhcr *vhcr,
1173 			  struct mlx4_cmd_mailbox *inbox,
1174 			  struct mlx4_cmd_mailbox *outbox,
1175 			  struct mlx4_cmd_info *cmd);
1176 
1177 int mlx4_GEN_EQE(struct mlx4_dev *dev, int slave, struct mlx4_eqe *eqe);
1178 
1179 enum {
1180 	MLX4_CMD_CLEANUP_STRUCT = 1UL << 0,
1181 	MLX4_CMD_CLEANUP_POOL	= 1UL << 1,
1182 	MLX4_CMD_CLEANUP_HCR	= 1UL << 2,
1183 	MLX4_CMD_CLEANUP_VHCR	= 1UL << 3,
1184 	MLX4_CMD_CLEANUP_ALL	= (MLX4_CMD_CLEANUP_VHCR << 1) - 1
1185 };
1186 
1187 int mlx4_cmd_init(struct mlx4_dev *dev);
1188 void mlx4_cmd_cleanup(struct mlx4_dev *dev, int cleanup_mask);
1189 int mlx4_multi_func_init(struct mlx4_dev *dev);
1190 int mlx4_ARM_COMM_CHANNEL(struct mlx4_dev *dev);
1191 void mlx4_multi_func_cleanup(struct mlx4_dev *dev);
1192 void mlx4_cmd_event(struct mlx4_dev *dev, u16 token, u8 status, u64 out_param);
1193 int mlx4_cmd_use_events(struct mlx4_dev *dev);
1194 void mlx4_cmd_use_polling(struct mlx4_dev *dev);
1195 
1196 int mlx4_comm_cmd(struct mlx4_dev *dev, u8 cmd, u16 param,
1197 		  u16 op, unsigned long timeout);
1198 
1199 void mlx4_cq_tasklet_cb(unsigned long data);
1200 void mlx4_cq_completion(struct mlx4_dev *dev, u32 cqn);
1201 void mlx4_cq_event(struct mlx4_dev *dev, u32 cqn, int event_type);
1202 
1203 void mlx4_qp_event(struct mlx4_dev *dev, u32 qpn, int event_type);
1204 
1205 void mlx4_srq_event(struct mlx4_dev *dev, u32 srqn, int event_type);
1206 
1207 void mlx4_enter_error_state(struct mlx4_dev_persistent *persist);
1208 
1209 int mlx4_SENSE_PORT(struct mlx4_dev *dev, int port,
1210 		    enum mlx4_port_type *type);
1211 void mlx4_do_sense_ports(struct mlx4_dev *dev,
1212 			 enum mlx4_port_type *stype,
1213 			 enum mlx4_port_type *defaults);
1214 void mlx4_start_sense(struct mlx4_dev *dev);
1215 void mlx4_stop_sense(struct mlx4_dev *dev);
1216 void mlx4_sense_init(struct mlx4_dev *dev);
1217 int mlx4_check_port_params(struct mlx4_dev *dev,
1218 			   enum mlx4_port_type *port_type);
1219 int mlx4_change_port_types(struct mlx4_dev *dev,
1220 			   enum mlx4_port_type *port_types);
1221 
1222 void mlx4_init_mac_table(struct mlx4_dev *dev, struct mlx4_mac_table *table);
1223 void mlx4_init_vlan_table(struct mlx4_dev *dev, struct mlx4_vlan_table *table);
1224 void mlx4_init_roce_gid_table(struct mlx4_dev *dev,
1225 			      struct mlx4_roce_gid_table *table);
1226 void __mlx4_unregister_vlan(struct mlx4_dev *dev, u8 port, u16 vlan);
1227 int __mlx4_register_vlan(struct mlx4_dev *dev, u8 port, u16 vlan, int *index);
1228 
1229 int mlx4_SET_PORT(struct mlx4_dev *dev, u8 port, int pkey_tbl_sz);
1230 /* resource tracker functions*/
1231 int mlx4_get_slave_from_resource_id(struct mlx4_dev *dev,
1232 				    enum mlx4_resource resource_type,
1233 				    u64 resource_id, int *slave);
1234 void mlx4_delete_all_resources_for_slave(struct mlx4_dev *dev, int slave_id);
1235 void mlx4_reset_roce_gids(struct mlx4_dev *dev, int slave);
1236 int mlx4_init_resource_tracker(struct mlx4_dev *dev);
1237 
1238 void mlx4_free_resource_tracker(struct mlx4_dev *dev,
1239 				enum mlx4_res_tracker_free_type type);
1240 
1241 int mlx4_QUERY_FW_wrapper(struct mlx4_dev *dev, int slave,
1242 			  struct mlx4_vhcr *vhcr,
1243 			  struct mlx4_cmd_mailbox *inbox,
1244 			  struct mlx4_cmd_mailbox *outbox,
1245 			  struct mlx4_cmd_info *cmd);
1246 int mlx4_SET_PORT_wrapper(struct mlx4_dev *dev, int slave,
1247 			  struct mlx4_vhcr *vhcr,
1248 			  struct mlx4_cmd_mailbox *inbox,
1249 			  struct mlx4_cmd_mailbox *outbox,
1250 			  struct mlx4_cmd_info *cmd);
1251 int mlx4_INIT_PORT_wrapper(struct mlx4_dev *dev, int slave,
1252 			   struct mlx4_vhcr *vhcr,
1253 			   struct mlx4_cmd_mailbox *inbox,
1254 			   struct mlx4_cmd_mailbox *outbox,
1255 			   struct mlx4_cmd_info *cmd);
1256 int mlx4_CLOSE_PORT_wrapper(struct mlx4_dev *dev, int slave,
1257 			    struct mlx4_vhcr *vhcr,
1258 			    struct mlx4_cmd_mailbox *inbox,
1259 			    struct mlx4_cmd_mailbox *outbox,
1260 			    struct mlx4_cmd_info *cmd);
1261 int mlx4_QUERY_DEV_CAP_wrapper(struct mlx4_dev *dev, int slave,
1262 			       struct mlx4_vhcr *vhcr,
1263 			       struct mlx4_cmd_mailbox *inbox,
1264 			       struct mlx4_cmd_mailbox *outbox,
1265 			       struct mlx4_cmd_info *cmd);
1266 int mlx4_QUERY_PORT_wrapper(struct mlx4_dev *dev, int slave,
1267 			    struct mlx4_vhcr *vhcr,
1268 			    struct mlx4_cmd_mailbox *inbox,
1269 			    struct mlx4_cmd_mailbox *outbox,
1270 			    struct mlx4_cmd_info *cmd);
1271 int mlx4_get_port_ib_caps(struct mlx4_dev *dev, u8 port, __be32 *caps);
1272 
1273 int mlx4_get_slave_pkey_gid_tbl_len(struct mlx4_dev *dev, u8 port,
1274 				    int *gid_tbl_len, int *pkey_tbl_len);
1275 
1276 int mlx4_QP_ATTACH_wrapper(struct mlx4_dev *dev, int slave,
1277 			   struct mlx4_vhcr *vhcr,
1278 			   struct mlx4_cmd_mailbox *inbox,
1279 			   struct mlx4_cmd_mailbox *outbox,
1280 			   struct mlx4_cmd_info *cmd);
1281 
1282 int mlx4_UPDATE_QP_wrapper(struct mlx4_dev *dev, int slave,
1283 			   struct mlx4_vhcr *vhcr,
1284 			   struct mlx4_cmd_mailbox *inbox,
1285 			   struct mlx4_cmd_mailbox *outbox,
1286 			   struct mlx4_cmd_info *cmd);
1287 
1288 int mlx4_PROMISC_wrapper(struct mlx4_dev *dev, int slave,
1289 			 struct mlx4_vhcr *vhcr,
1290 			 struct mlx4_cmd_mailbox *inbox,
1291 			 struct mlx4_cmd_mailbox *outbox,
1292 			 struct mlx4_cmd_info *cmd);
1293 int mlx4_qp_detach_common(struct mlx4_dev *dev, struct mlx4_qp *qp, u8 gid[16],
1294 			  enum mlx4_protocol prot, enum mlx4_steer_type steer);
1295 int mlx4_qp_attach_common(struct mlx4_dev *dev, struct mlx4_qp *qp, u8 gid[16],
1296 			  int block_mcast_loopback, enum mlx4_protocol prot,
1297 			  enum mlx4_steer_type steer);
1298 int mlx4_trans_to_dmfs_attach(struct mlx4_dev *dev, struct mlx4_qp *qp,
1299 			      u8 gid[16], u8 port,
1300 			      int block_mcast_loopback,
1301 			      enum mlx4_protocol prot, u64 *reg_id);
1302 int mlx4_SET_MCAST_FLTR_wrapper(struct mlx4_dev *dev, int slave,
1303 				struct mlx4_vhcr *vhcr,
1304 				struct mlx4_cmd_mailbox *inbox,
1305 				struct mlx4_cmd_mailbox *outbox,
1306 				struct mlx4_cmd_info *cmd);
1307 int mlx4_SET_VLAN_FLTR_wrapper(struct mlx4_dev *dev, int slave,
1308 			       struct mlx4_vhcr *vhcr,
1309 			       struct mlx4_cmd_mailbox *inbox,
1310 			       struct mlx4_cmd_mailbox *outbox,
1311 			       struct mlx4_cmd_info *cmd);
1312 int mlx4_common_set_vlan_fltr(struct mlx4_dev *dev, int function,
1313 				     int port, void *buf);
1314 int mlx4_common_dump_eth_stats(struct mlx4_dev *dev, int slave, u32 in_mod,
1315 				struct mlx4_cmd_mailbox *outbox);
1316 int mlx4_DUMP_ETH_STATS_wrapper(struct mlx4_dev *dev, int slave,
1317 				   struct mlx4_vhcr *vhcr,
1318 				   struct mlx4_cmd_mailbox *inbox,
1319 				   struct mlx4_cmd_mailbox *outbox,
1320 				struct mlx4_cmd_info *cmd);
1321 int mlx4_PKEY_TABLE_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_QUERY_IF_STAT_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_QP_FLOW_STEERING_ATTACH_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_DETACH_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_ACCESS_REG_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 
1347 int mlx4_get_mgm_entry_size(struct mlx4_dev *dev);
1348 int mlx4_get_qp_per_mgm(struct mlx4_dev *dev);
1349 
1350 static inline void set_param_l(u64 *arg, u32 val)
1351 {
1352 	*arg = (*arg & 0xffffffff00000000ULL) | (u64) val;
1353 }
1354 
1355 static inline void set_param_h(u64 *arg, u32 val)
1356 {
1357 	*arg = (*arg & 0xffffffff) | ((u64) val << 32);
1358 }
1359 
1360 static inline u32 get_param_l(u64 *arg)
1361 {
1362 	return (u32) (*arg & 0xffffffff);
1363 }
1364 
1365 static inline u32 get_param_h(u64 *arg)
1366 {
1367 	return (u32)(*arg >> 32);
1368 }
1369 
1370 static inline spinlock_t *mlx4_tlock(struct mlx4_dev *dev)
1371 {
1372 	return &mlx4_priv(dev)->mfunc.master.res_tracker.lock;
1373 }
1374 
1375 #define NOT_MASKED_PD_BITS 17
1376 
1377 void mlx4_vf_immed_vlan_work_handler(struct work_struct *_work);
1378 
1379 void mlx4_init_quotas(struct mlx4_dev *dev);
1380 
1381 int mlx4_get_slave_num_gids(struct mlx4_dev *dev, int slave, int port);
1382 /* Returns the VF index of slave */
1383 int mlx4_get_vf_indx(struct mlx4_dev *dev, int slave);
1384 int mlx4_config_mad_demux(struct mlx4_dev *dev);
1385 int mlx4_do_bond(struct mlx4_dev *dev, bool enable);
1386 
1387 enum mlx4_zone_flags {
1388 	MLX4_ZONE_ALLOW_ALLOC_FROM_LOWER_PRIO	= 1UL << 0,
1389 	MLX4_ZONE_ALLOW_ALLOC_FROM_EQ_PRIO	= 1UL << 1,
1390 	MLX4_ZONE_FALLBACK_TO_HIGHER_PRIO	= 1UL << 2,
1391 	MLX4_ZONE_USE_RR			= 1UL << 3,
1392 };
1393 
1394 enum mlx4_zone_alloc_flags {
1395 	/* No two objects could overlap between zones. UID
1396 	 * could be left unused. If this flag is given and
1397 	 * two overlapped zones are used, an object will be free'd
1398 	 * from the smallest possible matching zone.
1399 	 */
1400 	MLX4_ZONE_ALLOC_FLAGS_NO_OVERLAP	= 1UL << 0,
1401 };
1402 
1403 struct mlx4_zone_allocator;
1404 
1405 /* Create a new zone allocator */
1406 struct mlx4_zone_allocator *mlx4_zone_allocator_create(enum mlx4_zone_alloc_flags flags);
1407 
1408 /* Attach a mlx4_bitmap <bitmap> of priority <priority> to the zone allocator
1409  * <zone_alloc>. Allocating an object from this zone adds an offset <offset>.
1410  * Similarly, when searching for an object to free, this offset it taken into
1411  * account. The use_rr mlx4_ib parameter for allocating objects from this <bitmap>
1412  * is given through the MLX4_ZONE_USE_RR flag in <flags>.
1413  * When an allocation fails, <zone_alloc> tries to allocate from other zones
1414  * according to the policy set by <flags>. <puid> is the unique identifier
1415  * received to this zone.
1416  */
1417 int mlx4_zone_add_one(struct mlx4_zone_allocator *zone_alloc,
1418 		      struct mlx4_bitmap *bitmap,
1419 		      u32 flags,
1420 		      int priority,
1421 		      int offset,
1422 		      u32 *puid);
1423 
1424 /* Remove bitmap indicated by <uid> from <zone_alloc> */
1425 int mlx4_zone_remove_one(struct mlx4_zone_allocator *zone_alloc, u32 uid);
1426 
1427 /* Delete the zone allocator <zone_alloc. This function doesn't destroy
1428  * the attached bitmaps.
1429  */
1430 void mlx4_zone_allocator_destroy(struct mlx4_zone_allocator *zone_alloc);
1431 
1432 /* Allocate <count> objects with align <align> and skip_mask <skip_mask>
1433  * from the mlx4_bitmap whose uid is <uid>. The bitmap which we actually
1434  * allocated from is returned in <puid>. If the allocation fails, a negative
1435  * number is returned. Otherwise, the offset of the first object is returned.
1436  */
1437 u32 mlx4_zone_alloc_entries(struct mlx4_zone_allocator *zones, u32 uid, int count,
1438 			    int align, u32 skip_mask, u32 *puid);
1439 
1440 /* Free <count> objects, start from <obj> of the uid <uid> from zone_allocator
1441  * <zones>.
1442  */
1443 u32 mlx4_zone_free_entries(struct mlx4_zone_allocator *zones,
1444 			   u32 uid, u32 obj, u32 count);
1445 
1446 /* If <zones> was allocated with MLX4_ZONE_ALLOC_FLAGS_NO_OVERLAP, instead of
1447  * specifying the uid when freeing an object, zone allocator could figure it by
1448  * itself. Other parameters are similar to mlx4_zone_free.
1449  */
1450 u32 mlx4_zone_free_entries_unique(struct mlx4_zone_allocator *zones, u32 obj, u32 count);
1451 
1452 /* Returns a pointer to mlx4_bitmap that was attached to <zones> with <uid> */
1453 struct mlx4_bitmap *mlx4_zone_get_bitmap(struct mlx4_zone_allocator *zones, u32 uid);
1454 
1455 #endif /* MLX4_H */
1456