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 #include <net/devlink.h>
49 
50 #include <linux/mlx4/device.h>
51 #include <linux/mlx4/driver.h>
52 #include <linux/mlx4/doorbell.h>
53 #include <linux/mlx4/cmd.h>
54 #include "fw_qos.h"
55 
56 #define DRV_NAME	"mlx4_core"
57 #define PFX		DRV_NAME ": "
58 #define DRV_VERSION	"2.2-1"
59 #define DRV_RELDATE	"Feb, 2014"
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_EQ,
148 	RES_COUNTER,
149 	RES_FS_RULE,
150 	MLX4_NUM_OF_RESOURCE_TYPE
151 };
152 
153 enum mlx4_alloc_mode {
154 	RES_OP_RESERVE,
155 	RES_OP_RESERVE_AND_MAP,
156 	RES_OP_MAP_ICM,
157 };
158 
159 enum mlx4_res_tracker_free_type {
160 	RES_TR_FREE_ALL,
161 	RES_TR_FREE_SLAVES_ONLY,
162 	RES_TR_FREE_STRUCTS_ONLY,
163 };
164 
165 /*
166  *Virtual HCR structures.
167  * mlx4_vhcr is the sw representation, in machine endianness
168  *
169  * mlx4_vhcr_cmd is the formalized structure, the one that is passed
170  * to FW to go through communication channel.
171  * It is big endian, and has the same structure as the physical HCR
172  * used by command interface
173  */
174 struct mlx4_vhcr {
175 	u64	in_param;
176 	u64	out_param;
177 	u32	in_modifier;
178 	u32	errno;
179 	u16	op;
180 	u16	token;
181 	u8	op_modifier;
182 	u8	e_bit;
183 };
184 
185 struct mlx4_vhcr_cmd {
186 	__be64 in_param;
187 	__be32 in_modifier;
188 	u32 reserved1;
189 	__be64 out_param;
190 	__be16 token;
191 	u16 reserved;
192 	u8 status;
193 	u8 flags;
194 	__be16 opcode;
195 };
196 
197 struct mlx4_cmd_info {
198 	u16 opcode;
199 	bool has_inbox;
200 	bool has_outbox;
201 	bool out_is_imm;
202 	bool encode_slave_id;
203 	int (*verify)(struct mlx4_dev *dev, int slave, struct mlx4_vhcr *vhcr,
204 		      struct mlx4_cmd_mailbox *inbox);
205 	int (*wrapper)(struct mlx4_dev *dev, int slave, struct mlx4_vhcr *vhcr,
206 		       struct mlx4_cmd_mailbox *inbox,
207 		       struct mlx4_cmd_mailbox *outbox,
208 		       struct mlx4_cmd_info *cmd);
209 };
210 
211 #ifdef CONFIG_MLX4_DEBUG
212 extern int mlx4_debug_level;
213 #else /* CONFIG_MLX4_DEBUG */
214 #define mlx4_debug_level	(0)
215 #endif /* CONFIG_MLX4_DEBUG */
216 
217 #define mlx4_dbg(mdev, format, ...)					\
218 do {									\
219 	if (mlx4_debug_level)						\
220 		dev_printk(KERN_DEBUG,					\
221 			   &(mdev)->persist->pdev->dev, format,		\
222 			   ##__VA_ARGS__);				\
223 } while (0)
224 
225 #define mlx4_err(mdev, format, ...)					\
226 	dev_err(&(mdev)->persist->pdev->dev, format, ##__VA_ARGS__)
227 #define mlx4_info(mdev, format, ...)					\
228 	dev_info(&(mdev)->persist->pdev->dev, format, ##__VA_ARGS__)
229 #define mlx4_warn(mdev, format, ...)					\
230 	dev_warn(&(mdev)->persist->pdev->dev, format, ##__VA_ARGS__)
231 
232 extern int mlx4_log_num_mgm_entry_size;
233 extern int log_mtts_per_seg;
234 extern int mlx4_internal_err_reset;
235 
236 #define MLX4_MAX_NUM_SLAVES	(min(MLX4_MAX_NUM_PF + MLX4_MAX_NUM_VF, \
237 				     MLX4_MFUNC_MAX))
238 #define ALL_SLAVES 0xff
239 
240 struct mlx4_bitmap {
241 	u32			last;
242 	u32			top;
243 	u32			max;
244 	u32                     reserved_top;
245 	u32			mask;
246 	u32			avail;
247 	u32			effective_len;
248 	spinlock_t		lock;
249 	unsigned long	       *table;
250 };
251 
252 struct mlx4_buddy {
253 	unsigned long	      **bits;
254 	unsigned int	       *num_free;
255 	u32			max_order;
256 	spinlock_t		lock;
257 };
258 
259 struct mlx4_icm;
260 
261 struct mlx4_icm_table {
262 	u64			virt;
263 	int			num_icm;
264 	u32			num_obj;
265 	int			obj_size;
266 	int			lowmem;
267 	int			coherent;
268 	struct mutex		mutex;
269 	struct mlx4_icm	      **icm;
270 };
271 
272 #define MLX4_MPT_FLAG_SW_OWNS	    (0xfUL << 28)
273 #define MLX4_MPT_FLAG_FREE	    (0x3UL << 28)
274 #define MLX4_MPT_FLAG_MIO	    (1 << 17)
275 #define MLX4_MPT_FLAG_BIND_ENABLE   (1 << 15)
276 #define MLX4_MPT_FLAG_PHYSICAL	    (1 <<  9)
277 #define MLX4_MPT_FLAG_REGION	    (1 <<  8)
278 
279 #define MLX4_MPT_PD_MASK	    (0x1FFFFUL)
280 #define MLX4_MPT_PD_VF_MASK	    (0xFE0000UL)
281 #define MLX4_MPT_PD_FLAG_FAST_REG   (1 << 27)
282 #define MLX4_MPT_PD_FLAG_RAE	    (1 << 28)
283 #define MLX4_MPT_PD_FLAG_EN_INV	    (3 << 24)
284 
285 #define MLX4_MPT_QP_FLAG_BOUND_QP   (1 << 7)
286 
287 #define MLX4_MPT_STATUS_SW		0xF0
288 #define MLX4_MPT_STATUS_HW		0x00
289 
290 #define MLX4_CQE_SIZE_MASK_STRIDE	0x3
291 #define MLX4_EQE_SIZE_MASK_STRIDE	0x30
292 
293 #define MLX4_EQ_ASYNC			0
294 #define MLX4_EQ_TO_CQ_VECTOR(vector)	((vector) - \
295 					 !!((int)(vector) >= MLX4_EQ_ASYNC))
296 #define MLX4_CQ_TO_EQ_VECTOR(vector)	((vector) + \
297 					 !!((int)(vector) >= MLX4_EQ_ASYNC))
298 
299 /*
300  * Must be packed because mtt_seg is 64 bits but only aligned to 32 bits.
301  */
302 struct mlx4_mpt_entry {
303 	__be32 flags;
304 	__be32 qpn;
305 	__be32 key;
306 	__be32 pd_flags;
307 	__be64 start;
308 	__be64 length;
309 	__be32 lkey;
310 	__be32 win_cnt;
311 	u8	reserved1[3];
312 	u8	mtt_rep;
313 	__be64 mtt_addr;
314 	__be32 mtt_sz;
315 	__be32 entity_size;
316 	__be32 first_byte_offset;
317 } __packed;
318 
319 /*
320  * Must be packed because start is 64 bits but only aligned to 32 bits.
321  */
322 struct mlx4_eq_context {
323 	__be32			flags;
324 	u16			reserved1[3];
325 	__be16			page_offset;
326 	u8			log_eq_size;
327 	u8			reserved2[4];
328 	u8			eq_period;
329 	u8			reserved3;
330 	u8			eq_max_count;
331 	u8			reserved4[3];
332 	u8			intr;
333 	u8			log_page_size;
334 	u8			reserved5[2];
335 	u8			mtt_base_addr_h;
336 	__be32			mtt_base_addr_l;
337 	u32			reserved6[2];
338 	__be32			consumer_index;
339 	__be32			producer_index;
340 	u32			reserved7[4];
341 };
342 
343 struct mlx4_cq_context {
344 	__be32			flags;
345 	u16			reserved1[3];
346 	__be16			page_offset;
347 	__be32			logsize_usrpage;
348 	__be16			cq_period;
349 	__be16			cq_max_count;
350 	u8			reserved2[3];
351 	u8			comp_eqn;
352 	u8			log_page_size;
353 	u8			reserved3[2];
354 	u8			mtt_base_addr_h;
355 	__be32			mtt_base_addr_l;
356 	__be32			last_notified_index;
357 	__be32			solicit_producer_index;
358 	__be32			consumer_index;
359 	__be32			producer_index;
360 	u32			reserved4[2];
361 	__be64			db_rec_addr;
362 };
363 
364 struct mlx4_srq_context {
365 	__be32			state_logsize_srqn;
366 	u8			logstride;
367 	u8			reserved1;
368 	__be16			xrcd;
369 	__be32			pg_offset_cqn;
370 	u32			reserved2;
371 	u8			log_page_size;
372 	u8			reserved3[2];
373 	u8			mtt_base_addr_h;
374 	__be32			mtt_base_addr_l;
375 	__be32			pd;
376 	__be16			limit_watermark;
377 	__be16			wqe_cnt;
378 	u16			reserved4;
379 	__be16			wqe_counter;
380 	u32			reserved5;
381 	__be64			db_rec_addr;
382 };
383 
384 struct mlx4_eq_tasklet {
385 	struct list_head list;
386 	struct list_head process_list;
387 	struct tasklet_struct task;
388 	/* lock on completion tasklet list */
389 	spinlock_t lock;
390 };
391 
392 struct mlx4_eq {
393 	struct mlx4_dev	       *dev;
394 	void __iomem	       *doorbell;
395 	int			eqn;
396 	u32			cons_index;
397 	u16			irq;
398 	u16			have_irq;
399 	int			nent;
400 	struct mlx4_buf_list   *page_list;
401 	struct mlx4_mtt		mtt;
402 	struct mlx4_eq_tasklet	tasklet_ctx;
403 	struct mlx4_active_ports actv_ports;
404 	u32			ref_count;
405 	cpumask_var_t		affinity_mask;
406 };
407 
408 struct mlx4_slave_eqe {
409 	u8 type;
410 	u8 port;
411 	u32 param;
412 };
413 
414 struct mlx4_slave_event_eq_info {
415 	int eqn;
416 	u16 token;
417 };
418 
419 struct mlx4_profile {
420 	int			num_qp;
421 	int			rdmarc_per_qp;
422 	int			num_srq;
423 	int			num_cq;
424 	int			num_mcg;
425 	int			num_mpt;
426 	unsigned		num_mtt;
427 };
428 
429 struct mlx4_fw {
430 	u64			clr_int_base;
431 	u64			catas_offset;
432 	u64			comm_base;
433 	u64			clock_offset;
434 	struct mlx4_icm	       *fw_icm;
435 	struct mlx4_icm	       *aux_icm;
436 	u32			catas_size;
437 	u16			fw_pages;
438 	u8			clr_int_bar;
439 	u8			catas_bar;
440 	u8			comm_bar;
441 	u8			clock_bar;
442 };
443 
444 struct mlx4_comm {
445 	u32			slave_write;
446 	u32			slave_read;
447 };
448 
449 enum {
450 	MLX4_MCAST_CONFIG       = 0,
451 	MLX4_MCAST_DISABLE      = 1,
452 	MLX4_MCAST_ENABLE       = 2,
453 };
454 
455 #define VLAN_FLTR_SIZE	128
456 
457 struct mlx4_vlan_fltr {
458 	__be32 entry[VLAN_FLTR_SIZE];
459 };
460 
461 struct mlx4_mcast_entry {
462 	struct list_head list;
463 	u64 addr;
464 };
465 
466 struct mlx4_promisc_qp {
467 	struct list_head list;
468 	u32 qpn;
469 };
470 
471 struct mlx4_steer_index {
472 	struct list_head list;
473 	unsigned int index;
474 	struct list_head duplicates;
475 };
476 
477 #define MLX4_EVENT_TYPES_NUM 64
478 
479 struct mlx4_slave_state {
480 	u8 comm_toggle;
481 	u8 last_cmd;
482 	u8 init_port_mask;
483 	bool active;
484 	bool old_vlan_api;
485 	u8 function;
486 	dma_addr_t vhcr_dma;
487 	u16 mtu[MLX4_MAX_PORTS + 1];
488 	__be32 ib_cap_mask[MLX4_MAX_PORTS + 1];
489 	struct mlx4_slave_eqe eq[MLX4_MFUNC_MAX_EQES];
490 	struct list_head mcast_filters[MLX4_MAX_PORTS + 1];
491 	struct mlx4_vlan_fltr *vlan_filter[MLX4_MAX_PORTS + 1];
492 	/* event type to eq number lookup */
493 	struct mlx4_slave_event_eq_info event_eq[MLX4_EVENT_TYPES_NUM];
494 	u16 eq_pi;
495 	u16 eq_ci;
496 	spinlock_t lock;
497 	/*initialized via the kzalloc*/
498 	u8 is_slave_going_down;
499 	u32 cookie;
500 	enum slave_port_state port_state[MLX4_MAX_PORTS + 1];
501 };
502 
503 #define MLX4_VGT 4095
504 #define NO_INDX  (-1)
505 
506 struct mlx4_vport_state {
507 	u64 mac;
508 	u16 default_vlan;
509 	u8  default_qos;
510 	u32 tx_rate;
511 	bool spoofchk;
512 	u32 link_state;
513 	u8 qos_vport;
514 	__be64 guid;
515 };
516 
517 struct mlx4_vf_admin_state {
518 	struct mlx4_vport_state vport[MLX4_MAX_PORTS + 1];
519 	u8 enable_smi[MLX4_MAX_PORTS + 1];
520 };
521 
522 struct mlx4_vport_oper_state {
523 	struct mlx4_vport_state state;
524 	int mac_idx;
525 	int vlan_idx;
526 };
527 
528 struct mlx4_vf_oper_state {
529 	struct mlx4_vport_oper_state vport[MLX4_MAX_PORTS + 1];
530 	u8 smi_enabled[MLX4_MAX_PORTS + 1];
531 };
532 
533 struct slave_list {
534 	struct mutex mutex;
535 	struct list_head res_list[MLX4_NUM_OF_RESOURCE_TYPE];
536 };
537 
538 struct resource_allocator {
539 	spinlock_t alloc_lock; /* protect quotas */
540 	union {
541 		int res_reserved;
542 		int res_port_rsvd[MLX4_MAX_PORTS];
543 	};
544 	union {
545 		int res_free;
546 		int res_port_free[MLX4_MAX_PORTS];
547 	};
548 	int *quota;
549 	int *allocated;
550 	int *guaranteed;
551 };
552 
553 struct mlx4_resource_tracker {
554 	spinlock_t lock;
555 	/* tree for each resources */
556 	struct rb_root res_tree[MLX4_NUM_OF_RESOURCE_TYPE];
557 	/* num_of_slave's lists, one per slave */
558 	struct slave_list *slave_list;
559 	struct resource_allocator res_alloc[MLX4_NUM_OF_RESOURCE_TYPE];
560 };
561 
562 #define SLAVE_EVENT_EQ_SIZE	128
563 struct mlx4_slave_event_eq {
564 	u32 eqn;
565 	u32 cons;
566 	u32 prod;
567 	spinlock_t event_lock;
568 	struct mlx4_eqe event_eqe[SLAVE_EVENT_EQ_SIZE];
569 };
570 
571 struct mlx4_qos_manager {
572 	int num_of_qos_vfs;
573 	DECLARE_BITMAP(priority_bm, MLX4_NUM_UP);
574 };
575 
576 struct mlx4_master_qp0_state {
577 	int proxy_qp0_active;
578 	int qp0_active;
579 	int port_active;
580 };
581 
582 struct mlx4_mfunc_master_ctx {
583 	struct mlx4_slave_state *slave_state;
584 	struct mlx4_vf_admin_state *vf_admin;
585 	struct mlx4_vf_oper_state *vf_oper;
586 	struct mlx4_master_qp0_state qp0_state[MLX4_MAX_PORTS + 1];
587 	int			init_port_ref[MLX4_MAX_PORTS + 1];
588 	u16			max_mtu[MLX4_MAX_PORTS + 1];
589 	u8			pptx;
590 	u8			pprx;
591 	int			disable_mcast_ref[MLX4_MAX_PORTS + 1];
592 	struct mlx4_resource_tracker res_tracker;
593 	struct workqueue_struct *comm_wq;
594 	struct work_struct	comm_work;
595 	struct work_struct	slave_event_work;
596 	struct work_struct	slave_flr_event_work;
597 	spinlock_t		slave_state_lock;
598 	__be32			comm_arm_bit_vector[4];
599 	struct mlx4_eqe		cmd_eqe;
600 	struct mlx4_slave_event_eq slave_eq;
601 	struct mutex		gen_eqe_mutex[MLX4_MFUNC_MAX];
602 	struct mlx4_qos_manager qos_ctl[MLX4_MAX_PORTS + 1];
603 };
604 
605 struct mlx4_mfunc {
606 	struct mlx4_comm __iomem       *comm;
607 	struct mlx4_vhcr_cmd	       *vhcr;
608 	dma_addr_t			vhcr_dma;
609 
610 	struct mlx4_mfunc_master_ctx	master;
611 };
612 
613 #define MGM_QPN_MASK       0x00FFFFFF
614 #define MGM_BLCK_LB_BIT    30
615 
616 struct mlx4_mgm {
617 	__be32			next_gid_index;
618 	__be32			members_count;
619 	u32			reserved[2];
620 	u8			gid[16];
621 	__be32			qp[MLX4_MAX_QP_PER_MGM];
622 };
623 
624 struct mlx4_cmd {
625 	struct pci_pool	       *pool;
626 	void __iomem	       *hcr;
627 	struct mutex		slave_cmd_mutex;
628 	struct semaphore	poll_sem;
629 	struct semaphore	event_sem;
630 	int			max_cmds;
631 	spinlock_t		context_lock;
632 	int			free_head;
633 	struct mlx4_cmd_context *context;
634 	u16			token_mask;
635 	u8			use_events;
636 	u8			toggle;
637 	u8			comm_toggle;
638 	u8			initialized;
639 };
640 
641 enum {
642 	MLX4_VF_IMMED_VLAN_FLAG_VLAN = 1 << 0,
643 	MLX4_VF_IMMED_VLAN_FLAG_QOS = 1 << 1,
644 	MLX4_VF_IMMED_VLAN_FLAG_LINK_DISABLE = 1 << 2,
645 };
646 struct mlx4_vf_immed_vlan_work {
647 	struct work_struct	work;
648 	struct mlx4_priv	*priv;
649 	int			flags;
650 	int			slave;
651 	int			vlan_ix;
652 	int			orig_vlan_ix;
653 	u8			port;
654 	u8			qos;
655 	u8                      qos_vport;
656 	u16			vlan_id;
657 	u16			orig_vlan_id;
658 };
659 
660 
661 struct mlx4_uar_table {
662 	struct mlx4_bitmap	bitmap;
663 };
664 
665 struct mlx4_mr_table {
666 	struct mlx4_bitmap	mpt_bitmap;
667 	struct mlx4_buddy	mtt_buddy;
668 	u64			mtt_base;
669 	u64			mpt_base;
670 	struct mlx4_icm_table	mtt_table;
671 	struct mlx4_icm_table	dmpt_table;
672 };
673 
674 struct mlx4_cq_table {
675 	struct mlx4_bitmap	bitmap;
676 	spinlock_t		lock;
677 	struct radix_tree_root	tree;
678 	struct mlx4_icm_table	table;
679 	struct mlx4_icm_table	cmpt_table;
680 };
681 
682 struct mlx4_eq_table {
683 	struct mlx4_bitmap	bitmap;
684 	char		       *irq_names;
685 	void __iomem	       *clr_int;
686 	void __iomem	      **uar_map;
687 	u32			clr_mask;
688 	struct mlx4_eq	       *eq;
689 	struct mlx4_icm_table	table;
690 	struct mlx4_icm_table	cmpt_table;
691 	int			have_irq;
692 	u8			inta_pin;
693 };
694 
695 struct mlx4_srq_table {
696 	struct mlx4_bitmap	bitmap;
697 	spinlock_t		lock;
698 	struct radix_tree_root	tree;
699 	struct mlx4_icm_table	table;
700 	struct mlx4_icm_table	cmpt_table;
701 };
702 
703 enum mlx4_qp_table_zones {
704 	MLX4_QP_TABLE_ZONE_GENERAL,
705 	MLX4_QP_TABLE_ZONE_RSS,
706 	MLX4_QP_TABLE_ZONE_RAW_ETH,
707 	MLX4_QP_TABLE_ZONE_NUM
708 };
709 
710 struct mlx4_qp_table {
711 	struct mlx4_bitmap	*bitmap_gen;
712 	struct mlx4_zone_allocator *zones;
713 	u32			zones_uids[MLX4_QP_TABLE_ZONE_NUM];
714 	u32			rdmarc_base;
715 	int			rdmarc_shift;
716 	spinlock_t		lock;
717 	struct mlx4_icm_table	qp_table;
718 	struct mlx4_icm_table	auxc_table;
719 	struct mlx4_icm_table	altc_table;
720 	struct mlx4_icm_table	rdmarc_table;
721 	struct mlx4_icm_table	cmpt_table;
722 };
723 
724 struct mlx4_mcg_table {
725 	struct mutex		mutex;
726 	struct mlx4_bitmap	bitmap;
727 	struct mlx4_icm_table	table;
728 };
729 
730 struct mlx4_catas_err {
731 	u32 __iomem	       *map;
732 	struct timer_list	timer;
733 	struct list_head	list;
734 };
735 
736 #define MLX4_MAX_MAC_NUM	128
737 #define MLX4_MAC_TABLE_SIZE	(MLX4_MAX_MAC_NUM << 3)
738 
739 struct mlx4_mac_table {
740 	__be64			entries[MLX4_MAX_MAC_NUM];
741 	int			refs[MLX4_MAX_MAC_NUM];
742 	bool			is_dup[MLX4_MAX_MAC_NUM];
743 	struct mutex		mutex;
744 	int			total;
745 	int			max;
746 };
747 
748 #define MLX4_ROCE_GID_ENTRY_SIZE	16
749 
750 struct mlx4_roce_gid_entry {
751 	u8 raw[MLX4_ROCE_GID_ENTRY_SIZE];
752 };
753 
754 struct mlx4_roce_gid_table {
755 	struct mlx4_roce_gid_entry	roce_gids[MLX4_ROCE_MAX_GIDS];
756 	struct mutex			mutex;
757 };
758 
759 #define MLX4_MAX_VLAN_NUM	128
760 #define MLX4_VLAN_TABLE_SIZE	(MLX4_MAX_VLAN_NUM << 2)
761 
762 struct mlx4_vlan_table {
763 	__be32			entries[MLX4_MAX_VLAN_NUM];
764 	int			refs[MLX4_MAX_VLAN_NUM];
765 	int			is_dup[MLX4_MAX_VLAN_NUM];
766 	struct mutex		mutex;
767 	int			total;
768 	int			max;
769 };
770 
771 #define SET_PORT_GEN_ALL_VALID		0x7
772 #define SET_PORT_PROMISC_SHIFT		31
773 #define SET_PORT_MC_PROMISC_SHIFT	30
774 
775 enum {
776 	MCAST_DIRECT_ONLY	= 0,
777 	MCAST_DIRECT		= 1,
778 	MCAST_DEFAULT		= 2
779 };
780 
781 
782 struct mlx4_set_port_general_context {
783 	u16 reserved1;
784 	u8 v_ignore_fcs;
785 	u8 flags;
786 	union {
787 		u8 ignore_fcs;
788 		u8 roce_mode;
789 	};
790 	u8 reserved2;
791 	__be16 mtu;
792 	u8 pptx;
793 	u8 pfctx;
794 	u16 reserved3;
795 	u8 pprx;
796 	u8 pfcrx;
797 	u16 reserved4;
798 	u32 reserved5;
799 	u8 phv_en;
800 	u8 reserved6[3];
801 };
802 
803 struct mlx4_set_port_rqp_calc_context {
804 	__be32 base_qpn;
805 	u8 rererved;
806 	u8 n_mac;
807 	u8 n_vlan;
808 	u8 n_prio;
809 	u8 reserved2[3];
810 	u8 mac_miss;
811 	u8 intra_no_vlan;
812 	u8 no_vlan;
813 	u8 intra_vlan_miss;
814 	u8 vlan_miss;
815 	u8 reserved3[3];
816 	u8 no_vlan_prio;
817 	__be32 promisc;
818 	__be32 mcast;
819 };
820 
821 struct mlx4_port_info {
822 	struct mlx4_dev	       *dev;
823 	int			port;
824 	char			dev_name[16];
825 	struct device_attribute port_attr;
826 	enum mlx4_port_type	tmp_type;
827 	char			dev_mtu_name[16];
828 	struct device_attribute port_mtu_attr;
829 	struct mlx4_mac_table	mac_table;
830 	struct mlx4_vlan_table	vlan_table;
831 	struct mlx4_roce_gid_table gid_table;
832 	int			base_qpn;
833 	struct cpu_rmap		*rmap;
834 	struct devlink_port	devlink_port;
835 };
836 
837 struct mlx4_sense {
838 	struct mlx4_dev		*dev;
839 	u8			do_sense_port[MLX4_MAX_PORTS + 1];
840 	u8			sense_allowed[MLX4_MAX_PORTS + 1];
841 	struct delayed_work	sense_poll;
842 };
843 
844 struct mlx4_msix_ctl {
845 	DECLARE_BITMAP(pool_bm, MAX_MSIX);
846 	struct mutex	pool_lock;
847 };
848 
849 struct mlx4_steer {
850 	struct list_head promisc_qps[MLX4_NUM_STEERS];
851 	struct list_head steer_entries[MLX4_NUM_STEERS];
852 };
853 
854 enum {
855 	MLX4_PCI_DEV_IS_VF		= 1 << 0,
856 	MLX4_PCI_DEV_FORCE_SENSE_PORT	= 1 << 1,
857 };
858 
859 enum {
860 	MLX4_NO_RR	= 0,
861 	MLX4_USE_RR	= 1,
862 };
863 
864 struct mlx4_priv {
865 	struct mlx4_dev		dev;
866 
867 	struct list_head	dev_list;
868 	struct list_head	ctx_list;
869 	spinlock_t		ctx_lock;
870 
871 	int			pci_dev_data;
872 	int                     removed;
873 
874 	struct list_head        pgdir_list;
875 	struct mutex            pgdir_mutex;
876 
877 	struct mlx4_fw		fw;
878 	struct mlx4_cmd		cmd;
879 	struct mlx4_mfunc	mfunc;
880 
881 	struct mlx4_bitmap	pd_bitmap;
882 	struct mlx4_bitmap	xrcd_bitmap;
883 	struct mlx4_uar_table	uar_table;
884 	struct mlx4_mr_table	mr_table;
885 	struct mlx4_cq_table	cq_table;
886 	struct mlx4_eq_table	eq_table;
887 	struct mlx4_srq_table	srq_table;
888 	struct mlx4_qp_table	qp_table;
889 	struct mlx4_mcg_table	mcg_table;
890 	struct mlx4_bitmap	counters_bitmap;
891 	int			def_counter[MLX4_MAX_PORTS];
892 
893 	struct mlx4_catas_err	catas_err;
894 
895 	void __iomem	       *clr_base;
896 
897 	struct mlx4_uar		driver_uar;
898 	void __iomem	       *kar;
899 	struct mlx4_port_info	port[MLX4_MAX_PORTS + 1];
900 	struct mlx4_sense       sense;
901 	struct mutex		port_mutex;
902 	struct mlx4_msix_ctl	msix_ctl;
903 	struct mlx4_steer	*steer;
904 	struct list_head	bf_list;
905 	struct mutex		bf_mutex;
906 	struct io_mapping	*bf_mapping;
907 	void __iomem            *clock_mapping;
908 	int			reserved_mtts;
909 	int			fs_hash_mode;
910 	u8 virt2phys_pkey[MLX4_MFUNC_MAX][MLX4_MAX_PORTS][MLX4_MAX_PORT_PKEYS];
911 	struct mlx4_port_map	v2p; /* cached port mapping configuration */
912 	struct mutex		bond_mutex; /* for bond mode */
913 	__be64			slave_node_guids[MLX4_MFUNC_MAX];
914 
915 	atomic_t		opreq_count;
916 	struct work_struct	opreq_task;
917 };
918 
919 static inline struct mlx4_priv *mlx4_priv(struct mlx4_dev *dev)
920 {
921 	return container_of(dev, struct mlx4_priv, dev);
922 }
923 
924 #define MLX4_SENSE_RANGE	(HZ * 3)
925 
926 extern struct workqueue_struct *mlx4_wq;
927 
928 u32 mlx4_bitmap_alloc(struct mlx4_bitmap *bitmap);
929 void mlx4_bitmap_free(struct mlx4_bitmap *bitmap, u32 obj, int use_rr);
930 u32 mlx4_bitmap_alloc_range(struct mlx4_bitmap *bitmap, int cnt,
931 			    int align, u32 skip_mask);
932 void mlx4_bitmap_free_range(struct mlx4_bitmap *bitmap, u32 obj, int cnt,
933 			    int use_rr);
934 u32 mlx4_bitmap_avail(struct mlx4_bitmap *bitmap);
935 int mlx4_bitmap_init(struct mlx4_bitmap *bitmap, u32 num, u32 mask,
936 		     u32 reserved_bot, u32 resetrved_top);
937 void mlx4_bitmap_cleanup(struct mlx4_bitmap *bitmap);
938 
939 int mlx4_reset(struct mlx4_dev *dev);
940 
941 int mlx4_alloc_eq_table(struct mlx4_dev *dev);
942 void mlx4_free_eq_table(struct mlx4_dev *dev);
943 
944 int mlx4_init_pd_table(struct mlx4_dev *dev);
945 int mlx4_init_xrcd_table(struct mlx4_dev *dev);
946 int mlx4_init_uar_table(struct mlx4_dev *dev);
947 int mlx4_init_mr_table(struct mlx4_dev *dev);
948 int mlx4_init_eq_table(struct mlx4_dev *dev);
949 int mlx4_init_cq_table(struct mlx4_dev *dev);
950 int mlx4_init_qp_table(struct mlx4_dev *dev);
951 int mlx4_init_srq_table(struct mlx4_dev *dev);
952 int mlx4_init_mcg_table(struct mlx4_dev *dev);
953 
954 void mlx4_cleanup_pd_table(struct mlx4_dev *dev);
955 void mlx4_cleanup_xrcd_table(struct mlx4_dev *dev);
956 void mlx4_cleanup_uar_table(struct mlx4_dev *dev);
957 void mlx4_cleanup_mr_table(struct mlx4_dev *dev);
958 void mlx4_cleanup_eq_table(struct mlx4_dev *dev);
959 void mlx4_cleanup_cq_table(struct mlx4_dev *dev);
960 void mlx4_cleanup_qp_table(struct mlx4_dev *dev);
961 void mlx4_cleanup_srq_table(struct mlx4_dev *dev);
962 void mlx4_cleanup_mcg_table(struct mlx4_dev *dev);
963 int __mlx4_qp_alloc_icm(struct mlx4_dev *dev, int qpn, gfp_t gfp);
964 void __mlx4_qp_free_icm(struct mlx4_dev *dev, int qpn);
965 int __mlx4_cq_alloc_icm(struct mlx4_dev *dev, int *cqn);
966 void __mlx4_cq_free_icm(struct mlx4_dev *dev, int cqn);
967 int __mlx4_srq_alloc_icm(struct mlx4_dev *dev, int *srqn);
968 void __mlx4_srq_free_icm(struct mlx4_dev *dev, int srqn);
969 int __mlx4_mpt_reserve(struct mlx4_dev *dev);
970 void __mlx4_mpt_release(struct mlx4_dev *dev, u32 index);
971 int __mlx4_mpt_alloc_icm(struct mlx4_dev *dev, u32 index, gfp_t gfp);
972 void __mlx4_mpt_free_icm(struct mlx4_dev *dev, u32 index);
973 u32 __mlx4_alloc_mtt_range(struct mlx4_dev *dev, int order);
974 void __mlx4_free_mtt_range(struct mlx4_dev *dev, u32 first_seg, int order);
975 
976 int mlx4_WRITE_MTT_wrapper(struct mlx4_dev *dev, int slave,
977 			   struct mlx4_vhcr *vhcr,
978 			   struct mlx4_cmd_mailbox *inbox,
979 			   struct mlx4_cmd_mailbox *outbox,
980 			   struct mlx4_cmd_info *cmd);
981 int mlx4_SYNC_TPT_wrapper(struct mlx4_dev *dev, int slave,
982 			   struct mlx4_vhcr *vhcr,
983 			   struct mlx4_cmd_mailbox *inbox,
984 			   struct mlx4_cmd_mailbox *outbox,
985 			   struct mlx4_cmd_info *cmd);
986 int mlx4_SW2HW_MPT_wrapper(struct mlx4_dev *dev, int slave,
987 			   struct mlx4_vhcr *vhcr,
988 			   struct mlx4_cmd_mailbox *inbox,
989 			   struct mlx4_cmd_mailbox *outbox,
990 			   struct mlx4_cmd_info *cmd);
991 int mlx4_HW2SW_MPT_wrapper(struct mlx4_dev *dev, int slave,
992 			   struct mlx4_vhcr *vhcr,
993 			   struct mlx4_cmd_mailbox *inbox,
994 			   struct mlx4_cmd_mailbox *outbox,
995 			   struct mlx4_cmd_info *cmd);
996 int mlx4_QUERY_MPT_wrapper(struct mlx4_dev *dev, int slave,
997 			   struct mlx4_vhcr *vhcr,
998 			   struct mlx4_cmd_mailbox *inbox,
999 			   struct mlx4_cmd_mailbox *outbox,
1000 			   struct mlx4_cmd_info *cmd);
1001 int mlx4_SW2HW_EQ_wrapper(struct mlx4_dev *dev, int slave,
1002 			  struct mlx4_vhcr *vhcr,
1003 			  struct mlx4_cmd_mailbox *inbox,
1004 			  struct mlx4_cmd_mailbox *outbox,
1005 			  struct mlx4_cmd_info *cmd);
1006 int mlx4_CONFIG_DEV_wrapper(struct mlx4_dev *dev, int slave,
1007 			    struct mlx4_vhcr *vhcr,
1008 			    struct mlx4_cmd_mailbox *inbox,
1009 			    struct mlx4_cmd_mailbox *outbox,
1010 			    struct mlx4_cmd_info *cmd);
1011 int mlx4_DMA_wrapper(struct mlx4_dev *dev, int slave,
1012 		     struct mlx4_vhcr *vhcr,
1013 		     struct mlx4_cmd_mailbox *inbox,
1014 		     struct mlx4_cmd_mailbox *outbox,
1015 		     struct mlx4_cmd_info *cmd);
1016 int __mlx4_qp_reserve_range(struct mlx4_dev *dev, int cnt, int align,
1017 			    int *base, u8 flags);
1018 void __mlx4_qp_release_range(struct mlx4_dev *dev, int base_qpn, int cnt);
1019 int __mlx4_register_mac(struct mlx4_dev *dev, u8 port, u64 mac);
1020 void __mlx4_unregister_mac(struct mlx4_dev *dev, u8 port, u64 mac);
1021 int __mlx4_write_mtt(struct mlx4_dev *dev, struct mlx4_mtt *mtt,
1022 		     int start_index, int npages, u64 *page_list);
1023 int __mlx4_counter_alloc(struct mlx4_dev *dev, u32 *idx);
1024 void __mlx4_counter_free(struct mlx4_dev *dev, u32 idx);
1025 int mlx4_calc_vf_counters(struct mlx4_dev *dev, int slave, int port,
1026 			  struct mlx4_counter *data);
1027 int __mlx4_xrcd_alloc(struct mlx4_dev *dev, u32 *xrcdn);
1028 void __mlx4_xrcd_free(struct mlx4_dev *dev, u32 xrcdn);
1029 
1030 void mlx4_start_catas_poll(struct mlx4_dev *dev);
1031 void mlx4_stop_catas_poll(struct mlx4_dev *dev);
1032 int mlx4_catas_init(struct mlx4_dev *dev);
1033 void mlx4_catas_end(struct mlx4_dev *dev);
1034 int mlx4_restart_one(struct pci_dev *pdev);
1035 int mlx4_register_device(struct mlx4_dev *dev);
1036 void mlx4_unregister_device(struct mlx4_dev *dev);
1037 void mlx4_dispatch_event(struct mlx4_dev *dev, enum mlx4_dev_event type,
1038 			 unsigned long param);
1039 
1040 struct mlx4_dev_cap;
1041 struct mlx4_init_hca_param;
1042 
1043 u64 mlx4_make_profile(struct mlx4_dev *dev,
1044 		      struct mlx4_profile *request,
1045 		      struct mlx4_dev_cap *dev_cap,
1046 		      struct mlx4_init_hca_param *init_hca);
1047 void mlx4_master_comm_channel(struct work_struct *work);
1048 void mlx4_gen_slave_eqe(struct work_struct *work);
1049 void mlx4_master_handle_slave_flr(struct work_struct *work);
1050 
1051 int mlx4_ALLOC_RES_wrapper(struct mlx4_dev *dev, int slave,
1052 			   struct mlx4_vhcr *vhcr,
1053 			   struct mlx4_cmd_mailbox *inbox,
1054 			   struct mlx4_cmd_mailbox *outbox,
1055 			   struct mlx4_cmd_info *cmd);
1056 int mlx4_FREE_RES_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_MAP_EQ_wrapper(struct mlx4_dev *dev, int slave,
1062 			struct mlx4_vhcr *vhcr, struct mlx4_cmd_mailbox *inbox,
1063 			struct mlx4_cmd_mailbox *outbox,
1064 			struct mlx4_cmd_info *cmd);
1065 int mlx4_COMM_INT_wrapper(struct mlx4_dev *dev, int slave,
1066 			  struct mlx4_vhcr *vhcr,
1067 			  struct mlx4_cmd_mailbox *inbox,
1068 			  struct mlx4_cmd_mailbox *outbox,
1069 			  struct mlx4_cmd_info *cmd);
1070 int mlx4_HW2SW_EQ_wrapper(struct mlx4_dev *dev, int slave,
1071 			    struct mlx4_vhcr *vhcr,
1072 			    struct mlx4_cmd_mailbox *inbox,
1073 			    struct mlx4_cmd_mailbox *outbox,
1074 			  struct mlx4_cmd_info *cmd);
1075 int mlx4_QUERY_EQ_wrapper(struct mlx4_dev *dev, int slave,
1076 			  struct mlx4_vhcr *vhcr,
1077 			  struct mlx4_cmd_mailbox *inbox,
1078 			  struct mlx4_cmd_mailbox *outbox,
1079 			  struct mlx4_cmd_info *cmd);
1080 int mlx4_SW2HW_CQ_wrapper(struct mlx4_dev *dev, int slave,
1081 			  struct mlx4_vhcr *vhcr,
1082 			  struct mlx4_cmd_mailbox *inbox,
1083 			  struct mlx4_cmd_mailbox *outbox,
1084 			  struct mlx4_cmd_info *cmd);
1085 int mlx4_HW2SW_CQ_wrapper(struct mlx4_dev *dev, int slave,
1086 			  struct mlx4_vhcr *vhcr,
1087 			  struct mlx4_cmd_mailbox *inbox,
1088 			  struct mlx4_cmd_mailbox *outbox,
1089 			  struct mlx4_cmd_info *cmd);
1090 int mlx4_QUERY_CQ_wrapper(struct mlx4_dev *dev, int slave,
1091 			  struct mlx4_vhcr *vhcr,
1092 			  struct mlx4_cmd_mailbox *inbox,
1093 			  struct mlx4_cmd_mailbox *outbox,
1094 			  struct mlx4_cmd_info *cmd);
1095 int mlx4_MODIFY_CQ_wrapper(struct mlx4_dev *dev, int slave,
1096 			  struct mlx4_vhcr *vhcr,
1097 			  struct mlx4_cmd_mailbox *inbox,
1098 			  struct mlx4_cmd_mailbox *outbox,
1099 			   struct mlx4_cmd_info *cmd);
1100 int mlx4_SW2HW_SRQ_wrapper(struct mlx4_dev *dev, int slave,
1101 			   struct mlx4_vhcr *vhcr,
1102 			   struct mlx4_cmd_mailbox *inbox,
1103 			   struct mlx4_cmd_mailbox *outbox,
1104 			   struct mlx4_cmd_info *cmd);
1105 int mlx4_HW2SW_SRQ_wrapper(struct mlx4_dev *dev, int slave,
1106 			   struct mlx4_vhcr *vhcr,
1107 			   struct mlx4_cmd_mailbox *inbox,
1108 			   struct mlx4_cmd_mailbox *outbox,
1109 			   struct mlx4_cmd_info *cmd);
1110 int mlx4_QUERY_SRQ_wrapper(struct mlx4_dev *dev, int slave,
1111 			   struct mlx4_vhcr *vhcr,
1112 			   struct mlx4_cmd_mailbox *inbox,
1113 			   struct mlx4_cmd_mailbox *outbox,
1114 			   struct mlx4_cmd_info *cmd);
1115 int mlx4_ARM_SRQ_wrapper(struct mlx4_dev *dev, int slave,
1116 			 struct mlx4_vhcr *vhcr,
1117 			 struct mlx4_cmd_mailbox *inbox,
1118 			 struct mlx4_cmd_mailbox *outbox,
1119 			 struct mlx4_cmd_info *cmd);
1120 int mlx4_GEN_QP_wrapper(struct mlx4_dev *dev, int slave,
1121 			struct mlx4_vhcr *vhcr,
1122 			struct mlx4_cmd_mailbox *inbox,
1123 			struct mlx4_cmd_mailbox *outbox,
1124 			struct mlx4_cmd_info *cmd);
1125 int mlx4_RST2INIT_QP_wrapper(struct mlx4_dev *dev, int slave,
1126 			     struct mlx4_vhcr *vhcr,
1127 			     struct mlx4_cmd_mailbox *inbox,
1128 			     struct mlx4_cmd_mailbox *outbox,
1129 			     struct mlx4_cmd_info *cmd);
1130 int mlx4_INIT2INIT_QP_wrapper(struct mlx4_dev *dev, int slave,
1131 			      struct mlx4_vhcr *vhcr,
1132 			      struct mlx4_cmd_mailbox *inbox,
1133 			      struct mlx4_cmd_mailbox *outbox,
1134 			      struct mlx4_cmd_info *cmd);
1135 int mlx4_INIT2RTR_QP_wrapper(struct mlx4_dev *dev, int slave,
1136 			     struct mlx4_vhcr *vhcr,
1137 			     struct mlx4_cmd_mailbox *inbox,
1138 			     struct mlx4_cmd_mailbox *outbox,
1139 			     struct mlx4_cmd_info *cmd);
1140 int mlx4_RTR2RTS_QP_wrapper(struct mlx4_dev *dev, int slave,
1141 			    struct mlx4_vhcr *vhcr,
1142 			    struct mlx4_cmd_mailbox *inbox,
1143 			    struct mlx4_cmd_mailbox *outbox,
1144 			    struct mlx4_cmd_info *cmd);
1145 int mlx4_RTS2RTS_QP_wrapper(struct mlx4_dev *dev, int slave,
1146 			    struct mlx4_vhcr *vhcr,
1147 			    struct mlx4_cmd_mailbox *inbox,
1148 			    struct mlx4_cmd_mailbox *outbox,
1149 			    struct mlx4_cmd_info *cmd);
1150 int mlx4_SQERR2RTS_QP_wrapper(struct mlx4_dev *dev, int slave,
1151 			      struct mlx4_vhcr *vhcr,
1152 			      struct mlx4_cmd_mailbox *inbox,
1153 			      struct mlx4_cmd_mailbox *outbox,
1154 			      struct mlx4_cmd_info *cmd);
1155 int mlx4_2ERR_QP_wrapper(struct mlx4_dev *dev, int slave,
1156 			 struct mlx4_vhcr *vhcr,
1157 			 struct mlx4_cmd_mailbox *inbox,
1158 			 struct mlx4_cmd_mailbox *outbox,
1159 			 struct mlx4_cmd_info *cmd);
1160 int mlx4_RTS2SQD_QP_wrapper(struct mlx4_dev *dev, int slave,
1161 			    struct mlx4_vhcr *vhcr,
1162 			    struct mlx4_cmd_mailbox *inbox,
1163 			    struct mlx4_cmd_mailbox *outbox,
1164 			    struct mlx4_cmd_info *cmd);
1165 int mlx4_SQD2SQD_QP_wrapper(struct mlx4_dev *dev, int slave,
1166 			    struct mlx4_vhcr *vhcr,
1167 			    struct mlx4_cmd_mailbox *inbox,
1168 			    struct mlx4_cmd_mailbox *outbox,
1169 			    struct mlx4_cmd_info *cmd);
1170 int mlx4_SQD2RTS_QP_wrapper(struct mlx4_dev *dev, int slave,
1171 			    struct mlx4_vhcr *vhcr,
1172 			    struct mlx4_cmd_mailbox *inbox,
1173 			    struct mlx4_cmd_mailbox *outbox,
1174 			    struct mlx4_cmd_info *cmd);
1175 int mlx4_2RST_QP_wrapper(struct mlx4_dev *dev, int slave,
1176 			 struct mlx4_vhcr *vhcr,
1177 			 struct mlx4_cmd_mailbox *inbox,
1178 			 struct mlx4_cmd_mailbox *outbox,
1179 			 struct mlx4_cmd_info *cmd);
1180 int mlx4_QUERY_QP_wrapper(struct mlx4_dev *dev, int slave,
1181 			  struct mlx4_vhcr *vhcr,
1182 			  struct mlx4_cmd_mailbox *inbox,
1183 			  struct mlx4_cmd_mailbox *outbox,
1184 			  struct mlx4_cmd_info *cmd);
1185 
1186 int mlx4_GEN_EQE(struct mlx4_dev *dev, int slave, struct mlx4_eqe *eqe);
1187 
1188 enum {
1189 	MLX4_CMD_CLEANUP_STRUCT = 1UL << 0,
1190 	MLX4_CMD_CLEANUP_POOL	= 1UL << 1,
1191 	MLX4_CMD_CLEANUP_HCR	= 1UL << 2,
1192 	MLX4_CMD_CLEANUP_VHCR	= 1UL << 3,
1193 	MLX4_CMD_CLEANUP_ALL	= (MLX4_CMD_CLEANUP_VHCR << 1) - 1
1194 };
1195 
1196 int mlx4_cmd_init(struct mlx4_dev *dev);
1197 void mlx4_cmd_cleanup(struct mlx4_dev *dev, int cleanup_mask);
1198 int mlx4_multi_func_init(struct mlx4_dev *dev);
1199 int mlx4_ARM_COMM_CHANNEL(struct mlx4_dev *dev);
1200 void mlx4_multi_func_cleanup(struct mlx4_dev *dev);
1201 void mlx4_cmd_event(struct mlx4_dev *dev, u16 token, u8 status, u64 out_param);
1202 int mlx4_cmd_use_events(struct mlx4_dev *dev);
1203 void mlx4_cmd_use_polling(struct mlx4_dev *dev);
1204 
1205 int mlx4_comm_cmd(struct mlx4_dev *dev, u8 cmd, u16 param,
1206 		  u16 op, unsigned long timeout);
1207 
1208 void mlx4_cq_tasklet_cb(unsigned long data);
1209 void mlx4_cq_completion(struct mlx4_dev *dev, u32 cqn);
1210 void mlx4_cq_event(struct mlx4_dev *dev, u32 cqn, int event_type);
1211 
1212 void mlx4_qp_event(struct mlx4_dev *dev, u32 qpn, int event_type);
1213 
1214 void mlx4_srq_event(struct mlx4_dev *dev, u32 srqn, int event_type);
1215 
1216 void mlx4_enter_error_state(struct mlx4_dev_persistent *persist);
1217 
1218 int mlx4_SENSE_PORT(struct mlx4_dev *dev, int port,
1219 		    enum mlx4_port_type *type);
1220 void mlx4_do_sense_ports(struct mlx4_dev *dev,
1221 			 enum mlx4_port_type *stype,
1222 			 enum mlx4_port_type *defaults);
1223 void mlx4_start_sense(struct mlx4_dev *dev);
1224 void mlx4_stop_sense(struct mlx4_dev *dev);
1225 void mlx4_sense_init(struct mlx4_dev *dev);
1226 int mlx4_check_port_params(struct mlx4_dev *dev,
1227 			   enum mlx4_port_type *port_type);
1228 int mlx4_change_port_types(struct mlx4_dev *dev,
1229 			   enum mlx4_port_type *port_types);
1230 
1231 void mlx4_init_mac_table(struct mlx4_dev *dev, struct mlx4_mac_table *table);
1232 void mlx4_init_vlan_table(struct mlx4_dev *dev, struct mlx4_vlan_table *table);
1233 void mlx4_init_roce_gid_table(struct mlx4_dev *dev,
1234 			      struct mlx4_roce_gid_table *table);
1235 void __mlx4_unregister_vlan(struct mlx4_dev *dev, u8 port, u16 vlan);
1236 int __mlx4_register_vlan(struct mlx4_dev *dev, u8 port, u16 vlan, int *index);
1237 int mlx4_bond_vlan_table(struct mlx4_dev *dev);
1238 int mlx4_unbond_vlan_table(struct mlx4_dev *dev);
1239 int mlx4_bond_mac_table(struct mlx4_dev *dev);
1240 int mlx4_unbond_mac_table(struct mlx4_dev *dev);
1241 
1242 int mlx4_SET_PORT(struct mlx4_dev *dev, u8 port, int pkey_tbl_sz);
1243 /* resource tracker functions*/
1244 int mlx4_get_slave_from_resource_id(struct mlx4_dev *dev,
1245 				    enum mlx4_resource resource_type,
1246 				    u64 resource_id, int *slave);
1247 void mlx4_delete_all_resources_for_slave(struct mlx4_dev *dev, int slave_id);
1248 void mlx4_reset_roce_gids(struct mlx4_dev *dev, int slave);
1249 int mlx4_init_resource_tracker(struct mlx4_dev *dev);
1250 
1251 void mlx4_free_resource_tracker(struct mlx4_dev *dev,
1252 				enum mlx4_res_tracker_free_type type);
1253 
1254 int mlx4_QUERY_FW_wrapper(struct mlx4_dev *dev, int slave,
1255 			  struct mlx4_vhcr *vhcr,
1256 			  struct mlx4_cmd_mailbox *inbox,
1257 			  struct mlx4_cmd_mailbox *outbox,
1258 			  struct mlx4_cmd_info *cmd);
1259 int mlx4_SET_PORT_wrapper(struct mlx4_dev *dev, int slave,
1260 			  struct mlx4_vhcr *vhcr,
1261 			  struct mlx4_cmd_mailbox *inbox,
1262 			  struct mlx4_cmd_mailbox *outbox,
1263 			  struct mlx4_cmd_info *cmd);
1264 int mlx4_INIT_PORT_wrapper(struct mlx4_dev *dev, int slave,
1265 			   struct mlx4_vhcr *vhcr,
1266 			   struct mlx4_cmd_mailbox *inbox,
1267 			   struct mlx4_cmd_mailbox *outbox,
1268 			   struct mlx4_cmd_info *cmd);
1269 int mlx4_CLOSE_PORT_wrapper(struct mlx4_dev *dev, int slave,
1270 			    struct mlx4_vhcr *vhcr,
1271 			    struct mlx4_cmd_mailbox *inbox,
1272 			    struct mlx4_cmd_mailbox *outbox,
1273 			    struct mlx4_cmd_info *cmd);
1274 int mlx4_QUERY_DEV_CAP_wrapper(struct mlx4_dev *dev, int slave,
1275 			       struct mlx4_vhcr *vhcr,
1276 			       struct mlx4_cmd_mailbox *inbox,
1277 			       struct mlx4_cmd_mailbox *outbox,
1278 			       struct mlx4_cmd_info *cmd);
1279 int mlx4_QUERY_PORT_wrapper(struct mlx4_dev *dev, int slave,
1280 			    struct mlx4_vhcr *vhcr,
1281 			    struct mlx4_cmd_mailbox *inbox,
1282 			    struct mlx4_cmd_mailbox *outbox,
1283 			    struct mlx4_cmd_info *cmd);
1284 int mlx4_get_port_ib_caps(struct mlx4_dev *dev, u8 port, __be32 *caps);
1285 
1286 int mlx4_get_slave_pkey_gid_tbl_len(struct mlx4_dev *dev, u8 port,
1287 				    int *gid_tbl_len, int *pkey_tbl_len);
1288 
1289 int mlx4_QP_ATTACH_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_UPDATE_QP_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 
1301 int mlx4_PROMISC_wrapper(struct mlx4_dev *dev, int slave,
1302 			 struct mlx4_vhcr *vhcr,
1303 			 struct mlx4_cmd_mailbox *inbox,
1304 			 struct mlx4_cmd_mailbox *outbox,
1305 			 struct mlx4_cmd_info *cmd);
1306 int mlx4_qp_detach_common(struct mlx4_dev *dev, struct mlx4_qp *qp, u8 gid[16],
1307 			  enum mlx4_protocol prot, enum mlx4_steer_type steer);
1308 int mlx4_qp_attach_common(struct mlx4_dev *dev, struct mlx4_qp *qp, u8 gid[16],
1309 			  int block_mcast_loopback, enum mlx4_protocol prot,
1310 			  enum mlx4_steer_type steer);
1311 int mlx4_trans_to_dmfs_attach(struct mlx4_dev *dev, struct mlx4_qp *qp,
1312 			      u8 gid[16], u8 port,
1313 			      int block_mcast_loopback,
1314 			      enum mlx4_protocol prot, u64 *reg_id);
1315 int mlx4_SET_MCAST_FLTR_wrapper(struct mlx4_dev *dev, int slave,
1316 				struct mlx4_vhcr *vhcr,
1317 				struct mlx4_cmd_mailbox *inbox,
1318 				struct mlx4_cmd_mailbox *outbox,
1319 				struct mlx4_cmd_info *cmd);
1320 int mlx4_SET_VLAN_FLTR_wrapper(struct mlx4_dev *dev, int slave,
1321 			       struct mlx4_vhcr *vhcr,
1322 			       struct mlx4_cmd_mailbox *inbox,
1323 			       struct mlx4_cmd_mailbox *outbox,
1324 			       struct mlx4_cmd_info *cmd);
1325 int mlx4_common_set_vlan_fltr(struct mlx4_dev *dev, int function,
1326 				     int port, void *buf);
1327 int mlx4_common_dump_eth_stats(struct mlx4_dev *dev, int slave, u32 in_mod,
1328 				struct mlx4_cmd_mailbox *outbox);
1329 int mlx4_DUMP_ETH_STATS_wrapper(struct mlx4_dev *dev, int slave,
1330 				   struct mlx4_vhcr *vhcr,
1331 				   struct mlx4_cmd_mailbox *inbox,
1332 				   struct mlx4_cmd_mailbox *outbox,
1333 				struct mlx4_cmd_info *cmd);
1334 int mlx4_PKEY_TABLE_wrapper(struct mlx4_dev *dev, int slave,
1335 			    struct mlx4_vhcr *vhcr,
1336 			    struct mlx4_cmd_mailbox *inbox,
1337 			    struct mlx4_cmd_mailbox *outbox,
1338 			    struct mlx4_cmd_info *cmd);
1339 int mlx4_QUERY_IF_STAT_wrapper(struct mlx4_dev *dev, int slave,
1340 			       struct mlx4_vhcr *vhcr,
1341 			       struct mlx4_cmd_mailbox *inbox,
1342 			       struct mlx4_cmd_mailbox *outbox,
1343 			       struct mlx4_cmd_info *cmd);
1344 int mlx4_QP_FLOW_STEERING_ATTACH_wrapper(struct mlx4_dev *dev, int slave,
1345 					 struct mlx4_vhcr *vhcr,
1346 					 struct mlx4_cmd_mailbox *inbox,
1347 					 struct mlx4_cmd_mailbox *outbox,
1348 					 struct mlx4_cmd_info *cmd);
1349 int mlx4_QP_FLOW_STEERING_DETACH_wrapper(struct mlx4_dev *dev, int slave,
1350 					 struct mlx4_vhcr *vhcr,
1351 					 struct mlx4_cmd_mailbox *inbox,
1352 					 struct mlx4_cmd_mailbox *outbox,
1353 					 struct mlx4_cmd_info *cmd);
1354 int mlx4_ACCESS_REG_wrapper(struct mlx4_dev *dev, int slave,
1355 			    struct mlx4_vhcr *vhcr,
1356 			    struct mlx4_cmd_mailbox *inbox,
1357 			    struct mlx4_cmd_mailbox *outbox,
1358 			    struct mlx4_cmd_info *cmd);
1359 
1360 int mlx4_get_mgm_entry_size(struct mlx4_dev *dev);
1361 int mlx4_get_qp_per_mgm(struct mlx4_dev *dev);
1362 
1363 static inline void set_param_l(u64 *arg, u32 val)
1364 {
1365 	*arg = (*arg & 0xffffffff00000000ULL) | (u64) val;
1366 }
1367 
1368 static inline void set_param_h(u64 *arg, u32 val)
1369 {
1370 	*arg = (*arg & 0xffffffff) | ((u64) val << 32);
1371 }
1372 
1373 static inline u32 get_param_l(u64 *arg)
1374 {
1375 	return (u32) (*arg & 0xffffffff);
1376 }
1377 
1378 static inline u32 get_param_h(u64 *arg)
1379 {
1380 	return (u32)(*arg >> 32);
1381 }
1382 
1383 static inline spinlock_t *mlx4_tlock(struct mlx4_dev *dev)
1384 {
1385 	return &mlx4_priv(dev)->mfunc.master.res_tracker.lock;
1386 }
1387 
1388 #define NOT_MASKED_PD_BITS 17
1389 
1390 void mlx4_vf_immed_vlan_work_handler(struct work_struct *_work);
1391 
1392 void mlx4_init_quotas(struct mlx4_dev *dev);
1393 
1394 /* for VFs, replace zero MACs with randomly-generated MACs at driver start */
1395 void mlx4_replace_zero_macs(struct mlx4_dev *dev);
1396 int mlx4_get_slave_num_gids(struct mlx4_dev *dev, int slave, int port);
1397 /* Returns the VF index of slave */
1398 int mlx4_get_vf_indx(struct mlx4_dev *dev, int slave);
1399 int mlx4_config_mad_demux(struct mlx4_dev *dev);
1400 int mlx4_do_bond(struct mlx4_dev *dev, bool enable);
1401 int mlx4_bond_fs_rules(struct mlx4_dev *dev);
1402 int mlx4_unbond_fs_rules(struct mlx4_dev *dev);
1403 
1404 enum mlx4_zone_flags {
1405 	MLX4_ZONE_ALLOW_ALLOC_FROM_LOWER_PRIO	= 1UL << 0,
1406 	MLX4_ZONE_ALLOW_ALLOC_FROM_EQ_PRIO	= 1UL << 1,
1407 	MLX4_ZONE_FALLBACK_TO_HIGHER_PRIO	= 1UL << 2,
1408 	MLX4_ZONE_USE_RR			= 1UL << 3,
1409 };
1410 
1411 enum mlx4_zone_alloc_flags {
1412 	/* No two objects could overlap between zones. UID
1413 	 * could be left unused. If this flag is given and
1414 	 * two overlapped zones are used, an object will be free'd
1415 	 * from the smallest possible matching zone.
1416 	 */
1417 	MLX4_ZONE_ALLOC_FLAGS_NO_OVERLAP	= 1UL << 0,
1418 };
1419 
1420 struct mlx4_zone_allocator;
1421 
1422 /* Create a new zone allocator */
1423 struct mlx4_zone_allocator *mlx4_zone_allocator_create(enum mlx4_zone_alloc_flags flags);
1424 
1425 /* Attach a mlx4_bitmap <bitmap> of priority <priority> to the zone allocator
1426  * <zone_alloc>. Allocating an object from this zone adds an offset <offset>.
1427  * Similarly, when searching for an object to free, this offset it taken into
1428  * account. The use_rr mlx4_ib parameter for allocating objects from this <bitmap>
1429  * is given through the MLX4_ZONE_USE_RR flag in <flags>.
1430  * When an allocation fails, <zone_alloc> tries to allocate from other zones
1431  * according to the policy set by <flags>. <puid> is the unique identifier
1432  * received to this zone.
1433  */
1434 int mlx4_zone_add_one(struct mlx4_zone_allocator *zone_alloc,
1435 		      struct mlx4_bitmap *bitmap,
1436 		      u32 flags,
1437 		      int priority,
1438 		      int offset,
1439 		      u32 *puid);
1440 
1441 /* Remove bitmap indicated by <uid> from <zone_alloc> */
1442 int mlx4_zone_remove_one(struct mlx4_zone_allocator *zone_alloc, u32 uid);
1443 
1444 /* Delete the zone allocator <zone_alloc. This function doesn't destroy
1445  * the attached bitmaps.
1446  */
1447 void mlx4_zone_allocator_destroy(struct mlx4_zone_allocator *zone_alloc);
1448 
1449 /* Allocate <count> objects with align <align> and skip_mask <skip_mask>
1450  * from the mlx4_bitmap whose uid is <uid>. The bitmap which we actually
1451  * allocated from is returned in <puid>. If the allocation fails, a negative
1452  * number is returned. Otherwise, the offset of the first object is returned.
1453  */
1454 u32 mlx4_zone_alloc_entries(struct mlx4_zone_allocator *zones, u32 uid, int count,
1455 			    int align, u32 skip_mask, u32 *puid);
1456 
1457 /* Free <count> objects, start from <obj> of the uid <uid> from zone_allocator
1458  * <zones>.
1459  */
1460 u32 mlx4_zone_free_entries(struct mlx4_zone_allocator *zones,
1461 			   u32 uid, u32 obj, u32 count);
1462 
1463 /* If <zones> was allocated with MLX4_ZONE_ALLOC_FLAGS_NO_OVERLAP, instead of
1464  * specifying the uid when freeing an object, zone allocator could figure it by
1465  * itself. Other parameters are similar to mlx4_zone_free.
1466  */
1467 u32 mlx4_zone_free_entries_unique(struct mlx4_zone_allocator *zones, u32 obj, u32 count);
1468 
1469 /* Returns a pointer to mlx4_bitmap that was attached to <zones> with <uid> */
1470 struct mlx4_bitmap *mlx4_zone_get_bitmap(struct mlx4_zone_allocator *zones, u32 uid);
1471 
1472 #endif /* MLX4_H */
1473