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[mirror_ubuntu-zesty-kernel.git] / drivers / net / ethernet / mellanox / mlx4 / mlx4.h
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/timer.h>
43 #include <linux/semaphore.h>
44 #include <linux/workqueue.h>
45
46 #include <linux/mlx4/device.h>
47 #include <linux/mlx4/driver.h>
48 #include <linux/mlx4/doorbell.h>
49 #include <linux/mlx4/cmd.h>
50
51 #define DRV_NAME "mlx4_core"
52 #define PFX DRV_NAME ": "
53 #define DRV_VERSION "1.1"
54 #define DRV_RELDATE "Dec, 2011"
55
56 enum {
57 MLX4_HCR_BASE = 0x80680,
58 MLX4_HCR_SIZE = 0x0001c,
59 MLX4_CLR_INT_SIZE = 0x00008,
60 MLX4_SLAVE_COMM_BASE = 0x0,
61 MLX4_COMM_PAGESIZE = 0x1000
62 };
63
64 enum {
65 MLX4_MAX_MGM_ENTRY_SIZE = 0x1000,
66 MLX4_MAX_QP_PER_MGM = 4 * (MLX4_MAX_MGM_ENTRY_SIZE / 16 - 2),
67 MLX4_MTT_ENTRY_PER_SEG = 8,
68 };
69
70 enum {
71 MLX4_NUM_PDS = 1 << 15
72 };
73
74 enum {
75 MLX4_CMPT_TYPE_QP = 0,
76 MLX4_CMPT_TYPE_SRQ = 1,
77 MLX4_CMPT_TYPE_CQ = 2,
78 MLX4_CMPT_TYPE_EQ = 3,
79 MLX4_CMPT_NUM_TYPE
80 };
81
82 enum {
83 MLX4_CMPT_SHIFT = 24,
84 MLX4_NUM_CMPTS = MLX4_CMPT_NUM_TYPE << MLX4_CMPT_SHIFT
85 };
86
87 enum mlx4_mr_state {
88 MLX4_MR_DISABLED = 0,
89 MLX4_MR_EN_HW,
90 MLX4_MR_EN_SW
91 };
92
93 #define MLX4_COMM_TIME 10000
94 enum {
95 MLX4_COMM_CMD_RESET,
96 MLX4_COMM_CMD_VHCR0,
97 MLX4_COMM_CMD_VHCR1,
98 MLX4_COMM_CMD_VHCR2,
99 MLX4_COMM_CMD_VHCR_EN,
100 MLX4_COMM_CMD_VHCR_POST,
101 MLX4_COMM_CMD_FLR = 254
102 };
103
104 /*The flag indicates that the slave should delay the RESET cmd*/
105 #define MLX4_DELAY_RESET_SLAVE 0xbbbbbbb
106 /*indicates how many retries will be done if we are in the middle of FLR*/
107 #define NUM_OF_RESET_RETRIES 10
108 #define SLEEP_TIME_IN_RESET (2 * 1000)
109 enum mlx4_resource {
110 RES_QP,
111 RES_CQ,
112 RES_SRQ,
113 RES_XRCD,
114 RES_MPT,
115 RES_MTT,
116 RES_MAC,
117 RES_VLAN,
118 RES_EQ,
119 RES_COUNTER,
120 MLX4_NUM_OF_RESOURCE_TYPE
121 };
122
123 enum mlx4_alloc_mode {
124 RES_OP_RESERVE,
125 RES_OP_RESERVE_AND_MAP,
126 RES_OP_MAP_ICM,
127 };
128
129
130 /*
131 *Virtual HCR structures.
132 * mlx4_vhcr is the sw representation, in machine endianess
133 *
134 * mlx4_vhcr_cmd is the formalized structure, the one that is passed
135 * to FW to go through communication channel.
136 * It is big endian, and has the same structure as the physical HCR
137 * used by command interface
138 */
139 struct mlx4_vhcr {
140 u64 in_param;
141 u64 out_param;
142 u32 in_modifier;
143 u32 errno;
144 u16 op;
145 u16 token;
146 u8 op_modifier;
147 u8 e_bit;
148 };
149
150 struct mlx4_vhcr_cmd {
151 __be64 in_param;
152 __be32 in_modifier;
153 __be64 out_param;
154 __be16 token;
155 u16 reserved;
156 u8 status;
157 u8 flags;
158 __be16 opcode;
159 };
160
161 struct mlx4_cmd_info {
162 u16 opcode;
163 bool has_inbox;
164 bool has_outbox;
165 bool out_is_imm;
166 bool encode_slave_id;
167 int (*verify)(struct mlx4_dev *dev, int slave, struct mlx4_vhcr *vhcr,
168 struct mlx4_cmd_mailbox *inbox);
169 int (*wrapper)(struct mlx4_dev *dev, int slave, struct mlx4_vhcr *vhcr,
170 struct mlx4_cmd_mailbox *inbox,
171 struct mlx4_cmd_mailbox *outbox,
172 struct mlx4_cmd_info *cmd);
173 };
174
175 #ifdef CONFIG_MLX4_DEBUG
176 extern int mlx4_debug_level;
177 #else /* CONFIG_MLX4_DEBUG */
178 #define mlx4_debug_level (0)
179 #endif /* CONFIG_MLX4_DEBUG */
180
181 #define mlx4_dbg(mdev, format, arg...) \
182 do { \
183 if (mlx4_debug_level) \
184 dev_printk(KERN_DEBUG, &mdev->pdev->dev, format, ##arg); \
185 } while (0)
186
187 #define mlx4_err(mdev, format, arg...) \
188 dev_err(&mdev->pdev->dev, format, ##arg)
189 #define mlx4_info(mdev, format, arg...) \
190 dev_info(&mdev->pdev->dev, format, ##arg)
191 #define mlx4_warn(mdev, format, arg...) \
192 dev_warn(&mdev->pdev->dev, format, ##arg)
193
194 extern int mlx4_log_num_mgm_entry_size;
195 extern int log_mtts_per_seg;
196
197 #define MLX4_MAX_NUM_SLAVES (MLX4_MAX_NUM_PF + MLX4_MAX_NUM_VF)
198 #define ALL_SLAVES 0xff
199
200 struct mlx4_bitmap {
201 u32 last;
202 u32 top;
203 u32 max;
204 u32 reserved_top;
205 u32 mask;
206 u32 avail;
207 spinlock_t lock;
208 unsigned long *table;
209 };
210
211 struct mlx4_buddy {
212 unsigned long **bits;
213 unsigned int *num_free;
214 int max_order;
215 spinlock_t lock;
216 };
217
218 struct mlx4_icm;
219
220 struct mlx4_icm_table {
221 u64 virt;
222 int num_icm;
223 int num_obj;
224 int obj_size;
225 int lowmem;
226 int coherent;
227 struct mutex mutex;
228 struct mlx4_icm **icm;
229 };
230
231 /*
232 * Must be packed because mtt_seg is 64 bits but only aligned to 32 bits.
233 */
234 struct mlx4_mpt_entry {
235 __be32 flags;
236 __be32 qpn;
237 __be32 key;
238 __be32 pd_flags;
239 __be64 start;
240 __be64 length;
241 __be32 lkey;
242 __be32 win_cnt;
243 u8 reserved1[3];
244 u8 mtt_rep;
245 __be64 mtt_addr;
246 __be32 mtt_sz;
247 __be32 entity_size;
248 __be32 first_byte_offset;
249 } __packed;
250
251 /*
252 * Must be packed because start is 64 bits but only aligned to 32 bits.
253 */
254 struct mlx4_eq_context {
255 __be32 flags;
256 u16 reserved1[3];
257 __be16 page_offset;
258 u8 log_eq_size;
259 u8 reserved2[4];
260 u8 eq_period;
261 u8 reserved3;
262 u8 eq_max_count;
263 u8 reserved4[3];
264 u8 intr;
265 u8 log_page_size;
266 u8 reserved5[2];
267 u8 mtt_base_addr_h;
268 __be32 mtt_base_addr_l;
269 u32 reserved6[2];
270 __be32 consumer_index;
271 __be32 producer_index;
272 u32 reserved7[4];
273 };
274
275 struct mlx4_cq_context {
276 __be32 flags;
277 u16 reserved1[3];
278 __be16 page_offset;
279 __be32 logsize_usrpage;
280 __be16 cq_period;
281 __be16 cq_max_count;
282 u8 reserved2[3];
283 u8 comp_eqn;
284 u8 log_page_size;
285 u8 reserved3[2];
286 u8 mtt_base_addr_h;
287 __be32 mtt_base_addr_l;
288 __be32 last_notified_index;
289 __be32 solicit_producer_index;
290 __be32 consumer_index;
291 __be32 producer_index;
292 u32 reserved4[2];
293 __be64 db_rec_addr;
294 };
295
296 struct mlx4_srq_context {
297 __be32 state_logsize_srqn;
298 u8 logstride;
299 u8 reserved1;
300 __be16 xrcd;
301 __be32 pg_offset_cqn;
302 u32 reserved2;
303 u8 log_page_size;
304 u8 reserved3[2];
305 u8 mtt_base_addr_h;
306 __be32 mtt_base_addr_l;
307 __be32 pd;
308 __be16 limit_watermark;
309 __be16 wqe_cnt;
310 u16 reserved4;
311 __be16 wqe_counter;
312 u32 reserved5;
313 __be64 db_rec_addr;
314 };
315
316 struct mlx4_eqe {
317 u8 reserved1;
318 u8 type;
319 u8 reserved2;
320 u8 subtype;
321 union {
322 u32 raw[6];
323 struct {
324 __be32 cqn;
325 } __packed comp;
326 struct {
327 u16 reserved1;
328 __be16 token;
329 u32 reserved2;
330 u8 reserved3[3];
331 u8 status;
332 __be64 out_param;
333 } __packed cmd;
334 struct {
335 __be32 qpn;
336 } __packed qp;
337 struct {
338 __be32 srqn;
339 } __packed srq;
340 struct {
341 __be32 cqn;
342 u32 reserved1;
343 u8 reserved2[3];
344 u8 syndrome;
345 } __packed cq_err;
346 struct {
347 u32 reserved1[2];
348 __be32 port;
349 } __packed port_change;
350 struct {
351 #define COMM_CHANNEL_BIT_ARRAY_SIZE 4
352 u32 reserved;
353 u32 bit_vec[COMM_CHANNEL_BIT_ARRAY_SIZE];
354 } __packed comm_channel_arm;
355 struct {
356 u8 port;
357 u8 reserved[3];
358 __be64 mac;
359 } __packed mac_update;
360 struct {
361 u8 port;
362 } __packed sw_event;
363 struct {
364 __be32 slave_id;
365 } __packed flr_event;
366 struct {
367 __be16 current_temperature;
368 __be16 warning_threshold;
369 } __packed warming;
370 } event;
371 u8 slave_id;
372 u8 reserved3[2];
373 u8 owner;
374 } __packed;
375
376 struct mlx4_eq {
377 struct mlx4_dev *dev;
378 void __iomem *doorbell;
379 int eqn;
380 u32 cons_index;
381 u16 irq;
382 u16 have_irq;
383 int nent;
384 struct mlx4_buf_list *page_list;
385 struct mlx4_mtt mtt;
386 };
387
388 struct mlx4_slave_eqe {
389 u8 type;
390 u8 port;
391 u32 param;
392 };
393
394 struct mlx4_slave_event_eq_info {
395 int eqn;
396 u16 token;
397 };
398
399 struct mlx4_profile {
400 int num_qp;
401 int rdmarc_per_qp;
402 int num_srq;
403 int num_cq;
404 int num_mcg;
405 int num_mpt;
406 int num_mtt;
407 };
408
409 struct mlx4_fw {
410 u64 clr_int_base;
411 u64 catas_offset;
412 u64 comm_base;
413 struct mlx4_icm *fw_icm;
414 struct mlx4_icm *aux_icm;
415 u32 catas_size;
416 u16 fw_pages;
417 u8 clr_int_bar;
418 u8 catas_bar;
419 u8 comm_bar;
420 };
421
422 struct mlx4_comm {
423 u32 slave_write;
424 u32 slave_read;
425 };
426
427 enum {
428 MLX4_MCAST_CONFIG = 0,
429 MLX4_MCAST_DISABLE = 1,
430 MLX4_MCAST_ENABLE = 2,
431 };
432
433 #define VLAN_FLTR_SIZE 128
434
435 struct mlx4_vlan_fltr {
436 __be32 entry[VLAN_FLTR_SIZE];
437 };
438
439 struct mlx4_mcast_entry {
440 struct list_head list;
441 u64 addr;
442 };
443
444 struct mlx4_promisc_qp {
445 struct list_head list;
446 u32 qpn;
447 };
448
449 struct mlx4_steer_index {
450 struct list_head list;
451 unsigned int index;
452 struct list_head duplicates;
453 };
454
455 #define MLX4_EVENT_TYPES_NUM 64
456
457 struct mlx4_slave_state {
458 u8 comm_toggle;
459 u8 last_cmd;
460 u8 init_port_mask;
461 bool active;
462 u8 function;
463 dma_addr_t vhcr_dma;
464 u16 mtu[MLX4_MAX_PORTS + 1];
465 __be32 ib_cap_mask[MLX4_MAX_PORTS + 1];
466 struct mlx4_slave_eqe eq[MLX4_MFUNC_MAX_EQES];
467 struct list_head mcast_filters[MLX4_MAX_PORTS + 1];
468 struct mlx4_vlan_fltr *vlan_filter[MLX4_MAX_PORTS + 1];
469 /* event type to eq number lookup */
470 struct mlx4_slave_event_eq_info event_eq[MLX4_EVENT_TYPES_NUM];
471 u16 eq_pi;
472 u16 eq_ci;
473 spinlock_t lock;
474 /*initialized via the kzalloc*/
475 u8 is_slave_going_down;
476 u32 cookie;
477 };
478
479 struct slave_list {
480 struct mutex mutex;
481 struct list_head res_list[MLX4_NUM_OF_RESOURCE_TYPE];
482 };
483
484 struct mlx4_resource_tracker {
485 spinlock_t lock;
486 /* tree for each resources */
487 struct radix_tree_root res_tree[MLX4_NUM_OF_RESOURCE_TYPE];
488 /* num_of_slave's lists, one per slave */
489 struct slave_list *slave_list;
490 };
491
492 #define SLAVE_EVENT_EQ_SIZE 128
493 struct mlx4_slave_event_eq {
494 u32 eqn;
495 u32 cons;
496 u32 prod;
497 struct mlx4_eqe event_eqe[SLAVE_EVENT_EQ_SIZE];
498 };
499
500 struct mlx4_master_qp0_state {
501 int proxy_qp0_active;
502 int qp0_active;
503 int port_active;
504 };
505
506 struct mlx4_mfunc_master_ctx {
507 struct mlx4_slave_state *slave_state;
508 struct mlx4_master_qp0_state qp0_state[MLX4_MAX_PORTS + 1];
509 int init_port_ref[MLX4_MAX_PORTS + 1];
510 u16 max_mtu[MLX4_MAX_PORTS + 1];
511 int disable_mcast_ref[MLX4_MAX_PORTS + 1];
512 struct mlx4_resource_tracker res_tracker;
513 struct workqueue_struct *comm_wq;
514 struct work_struct comm_work;
515 struct work_struct slave_event_work;
516 struct work_struct slave_flr_event_work;
517 spinlock_t slave_state_lock;
518 __be32 comm_arm_bit_vector[4];
519 struct mlx4_eqe cmd_eqe;
520 struct mlx4_slave_event_eq slave_eq;
521 struct mutex gen_eqe_mutex[MLX4_MFUNC_MAX];
522 };
523
524 struct mlx4_mfunc {
525 struct mlx4_comm __iomem *comm;
526 struct mlx4_vhcr_cmd *vhcr;
527 dma_addr_t vhcr_dma;
528
529 struct mlx4_mfunc_master_ctx master;
530 };
531
532 struct mlx4_cmd {
533 struct pci_pool *pool;
534 void __iomem *hcr;
535 struct mutex hcr_mutex;
536 struct semaphore poll_sem;
537 struct semaphore event_sem;
538 struct semaphore slave_sem;
539 int max_cmds;
540 spinlock_t context_lock;
541 int free_head;
542 struct mlx4_cmd_context *context;
543 u16 token_mask;
544 u8 use_events;
545 u8 toggle;
546 u8 comm_toggle;
547 };
548
549 struct mlx4_uar_table {
550 struct mlx4_bitmap bitmap;
551 };
552
553 struct mlx4_mr_table {
554 struct mlx4_bitmap mpt_bitmap;
555 struct mlx4_buddy mtt_buddy;
556 u64 mtt_base;
557 u64 mpt_base;
558 struct mlx4_icm_table mtt_table;
559 struct mlx4_icm_table dmpt_table;
560 };
561
562 struct mlx4_cq_table {
563 struct mlx4_bitmap bitmap;
564 spinlock_t lock;
565 struct radix_tree_root tree;
566 struct mlx4_icm_table table;
567 struct mlx4_icm_table cmpt_table;
568 };
569
570 struct mlx4_eq_table {
571 struct mlx4_bitmap bitmap;
572 char *irq_names;
573 void __iomem *clr_int;
574 void __iomem **uar_map;
575 u32 clr_mask;
576 struct mlx4_eq *eq;
577 struct mlx4_icm_table table;
578 struct mlx4_icm_table cmpt_table;
579 int have_irq;
580 u8 inta_pin;
581 };
582
583 struct mlx4_srq_table {
584 struct mlx4_bitmap bitmap;
585 spinlock_t lock;
586 struct radix_tree_root tree;
587 struct mlx4_icm_table table;
588 struct mlx4_icm_table cmpt_table;
589 };
590
591 struct mlx4_qp_table {
592 struct mlx4_bitmap bitmap;
593 u32 rdmarc_base;
594 int rdmarc_shift;
595 spinlock_t lock;
596 struct mlx4_icm_table qp_table;
597 struct mlx4_icm_table auxc_table;
598 struct mlx4_icm_table altc_table;
599 struct mlx4_icm_table rdmarc_table;
600 struct mlx4_icm_table cmpt_table;
601 };
602
603 struct mlx4_mcg_table {
604 struct mutex mutex;
605 struct mlx4_bitmap bitmap;
606 struct mlx4_icm_table table;
607 };
608
609 struct mlx4_catas_err {
610 u32 __iomem *map;
611 struct timer_list timer;
612 struct list_head list;
613 };
614
615 #define MLX4_MAX_MAC_NUM 128
616 #define MLX4_MAC_TABLE_SIZE (MLX4_MAX_MAC_NUM << 3)
617
618 struct mlx4_mac_table {
619 __be64 entries[MLX4_MAX_MAC_NUM];
620 int refs[MLX4_MAX_MAC_NUM];
621 struct mutex mutex;
622 int total;
623 int max;
624 };
625
626 #define MLX4_MAX_VLAN_NUM 128
627 #define MLX4_VLAN_TABLE_SIZE (MLX4_MAX_VLAN_NUM << 2)
628
629 struct mlx4_vlan_table {
630 __be32 entries[MLX4_MAX_VLAN_NUM];
631 int refs[MLX4_MAX_VLAN_NUM];
632 struct mutex mutex;
633 int total;
634 int max;
635 };
636
637 #define SET_PORT_GEN_ALL_VALID 0x7
638 #define SET_PORT_PROMISC_SHIFT 31
639 #define SET_PORT_MC_PROMISC_SHIFT 30
640
641 enum {
642 MCAST_DIRECT_ONLY = 0,
643 MCAST_DIRECT = 1,
644 MCAST_DEFAULT = 2
645 };
646
647
648 struct mlx4_set_port_general_context {
649 u8 reserved[3];
650 u8 flags;
651 u16 reserved2;
652 __be16 mtu;
653 u8 pptx;
654 u8 pfctx;
655 u16 reserved3;
656 u8 pprx;
657 u8 pfcrx;
658 u16 reserved4;
659 };
660
661 struct mlx4_set_port_rqp_calc_context {
662 __be32 base_qpn;
663 u8 rererved;
664 u8 n_mac;
665 u8 n_vlan;
666 u8 n_prio;
667 u8 reserved2[3];
668 u8 mac_miss;
669 u8 intra_no_vlan;
670 u8 no_vlan;
671 u8 intra_vlan_miss;
672 u8 vlan_miss;
673 u8 reserved3[3];
674 u8 no_vlan_prio;
675 __be32 promisc;
676 __be32 mcast;
677 };
678
679 struct mlx4_mac_entry {
680 u64 mac;
681 };
682
683 struct mlx4_port_info {
684 struct mlx4_dev *dev;
685 int port;
686 char dev_name[16];
687 struct device_attribute port_attr;
688 enum mlx4_port_type tmp_type;
689 struct mlx4_mac_table mac_table;
690 struct radix_tree_root mac_tree;
691 struct mlx4_vlan_table vlan_table;
692 int base_qpn;
693 };
694
695 struct mlx4_sense {
696 struct mlx4_dev *dev;
697 u8 do_sense_port[MLX4_MAX_PORTS + 1];
698 u8 sense_allowed[MLX4_MAX_PORTS + 1];
699 struct delayed_work sense_poll;
700 };
701
702 struct mlx4_msix_ctl {
703 u64 pool_bm;
704 spinlock_t pool_lock;
705 };
706
707 struct mlx4_steer {
708 struct list_head promisc_qps[MLX4_NUM_STEERS];
709 struct list_head steer_entries[MLX4_NUM_STEERS];
710 struct list_head high_prios;
711 };
712
713 struct mlx4_priv {
714 struct mlx4_dev dev;
715
716 struct list_head dev_list;
717 struct list_head ctx_list;
718 spinlock_t ctx_lock;
719
720 struct list_head pgdir_list;
721 struct mutex pgdir_mutex;
722
723 struct mlx4_fw fw;
724 struct mlx4_cmd cmd;
725 struct mlx4_mfunc mfunc;
726
727 struct mlx4_bitmap pd_bitmap;
728 struct mlx4_bitmap xrcd_bitmap;
729 struct mlx4_uar_table uar_table;
730 struct mlx4_mr_table mr_table;
731 struct mlx4_cq_table cq_table;
732 struct mlx4_eq_table eq_table;
733 struct mlx4_srq_table srq_table;
734 struct mlx4_qp_table qp_table;
735 struct mlx4_mcg_table mcg_table;
736 struct mlx4_bitmap counters_bitmap;
737
738 struct mlx4_catas_err catas_err;
739
740 void __iomem *clr_base;
741
742 struct mlx4_uar driver_uar;
743 void __iomem *kar;
744 struct mlx4_port_info port[MLX4_MAX_PORTS + 1];
745 struct mlx4_sense sense;
746 struct mutex port_mutex;
747 struct mlx4_msix_ctl msix_ctl;
748 struct mlx4_steer *steer;
749 struct list_head bf_list;
750 struct mutex bf_mutex;
751 struct io_mapping *bf_mapping;
752 int reserved_mtts;
753 };
754
755 static inline struct mlx4_priv *mlx4_priv(struct mlx4_dev *dev)
756 {
757 return container_of(dev, struct mlx4_priv, dev);
758 }
759
760 #define MLX4_SENSE_RANGE (HZ * 3)
761
762 extern struct workqueue_struct *mlx4_wq;
763
764 u32 mlx4_bitmap_alloc(struct mlx4_bitmap *bitmap);
765 void mlx4_bitmap_free(struct mlx4_bitmap *bitmap, u32 obj);
766 u32 mlx4_bitmap_alloc_range(struct mlx4_bitmap *bitmap, int cnt, int align);
767 void mlx4_bitmap_free_range(struct mlx4_bitmap *bitmap, u32 obj, int cnt);
768 u32 mlx4_bitmap_avail(struct mlx4_bitmap *bitmap);
769 int mlx4_bitmap_init(struct mlx4_bitmap *bitmap, u32 num, u32 mask,
770 u32 reserved_bot, u32 resetrved_top);
771 void mlx4_bitmap_cleanup(struct mlx4_bitmap *bitmap);
772
773 int mlx4_reset(struct mlx4_dev *dev);
774
775 int mlx4_alloc_eq_table(struct mlx4_dev *dev);
776 void mlx4_free_eq_table(struct mlx4_dev *dev);
777
778 int mlx4_init_pd_table(struct mlx4_dev *dev);
779 int mlx4_init_xrcd_table(struct mlx4_dev *dev);
780 int mlx4_init_uar_table(struct mlx4_dev *dev);
781 int mlx4_init_mr_table(struct mlx4_dev *dev);
782 int mlx4_init_eq_table(struct mlx4_dev *dev);
783 int mlx4_init_cq_table(struct mlx4_dev *dev);
784 int mlx4_init_qp_table(struct mlx4_dev *dev);
785 int mlx4_init_srq_table(struct mlx4_dev *dev);
786 int mlx4_init_mcg_table(struct mlx4_dev *dev);
787
788 void mlx4_cleanup_pd_table(struct mlx4_dev *dev);
789 void mlx4_cleanup_xrcd_table(struct mlx4_dev *dev);
790 void mlx4_cleanup_uar_table(struct mlx4_dev *dev);
791 void mlx4_cleanup_mr_table(struct mlx4_dev *dev);
792 void mlx4_cleanup_eq_table(struct mlx4_dev *dev);
793 void mlx4_cleanup_cq_table(struct mlx4_dev *dev);
794 void mlx4_cleanup_qp_table(struct mlx4_dev *dev);
795 void mlx4_cleanup_srq_table(struct mlx4_dev *dev);
796 void mlx4_cleanup_mcg_table(struct mlx4_dev *dev);
797 int __mlx4_qp_alloc_icm(struct mlx4_dev *dev, int qpn);
798 void __mlx4_qp_free_icm(struct mlx4_dev *dev, int qpn);
799 int __mlx4_cq_alloc_icm(struct mlx4_dev *dev, int *cqn);
800 void __mlx4_cq_free_icm(struct mlx4_dev *dev, int cqn);
801 int __mlx4_srq_alloc_icm(struct mlx4_dev *dev, int *srqn);
802 void __mlx4_srq_free_icm(struct mlx4_dev *dev, int srqn);
803 int __mlx4_mr_reserve(struct mlx4_dev *dev);
804 void __mlx4_mr_release(struct mlx4_dev *dev, u32 index);
805 int __mlx4_mr_alloc_icm(struct mlx4_dev *dev, u32 index);
806 void __mlx4_mr_free_icm(struct mlx4_dev *dev, u32 index);
807 u32 __mlx4_alloc_mtt_range(struct mlx4_dev *dev, int order);
808 void __mlx4_free_mtt_range(struct mlx4_dev *dev, u32 first_seg, int order);
809
810 int mlx4_WRITE_MTT_wrapper(struct mlx4_dev *dev, int slave,
811 struct mlx4_vhcr *vhcr,
812 struct mlx4_cmd_mailbox *inbox,
813 struct mlx4_cmd_mailbox *outbox,
814 struct mlx4_cmd_info *cmd);
815 int mlx4_SYNC_TPT_wrapper(struct mlx4_dev *dev, int slave,
816 struct mlx4_vhcr *vhcr,
817 struct mlx4_cmd_mailbox *inbox,
818 struct mlx4_cmd_mailbox *outbox,
819 struct mlx4_cmd_info *cmd);
820 int mlx4_SW2HW_MPT_wrapper(struct mlx4_dev *dev, int slave,
821 struct mlx4_vhcr *vhcr,
822 struct mlx4_cmd_mailbox *inbox,
823 struct mlx4_cmd_mailbox *outbox,
824 struct mlx4_cmd_info *cmd);
825 int mlx4_HW2SW_MPT_wrapper(struct mlx4_dev *dev, int slave,
826 struct mlx4_vhcr *vhcr,
827 struct mlx4_cmd_mailbox *inbox,
828 struct mlx4_cmd_mailbox *outbox,
829 struct mlx4_cmd_info *cmd);
830 int mlx4_QUERY_MPT_wrapper(struct mlx4_dev *dev, int slave,
831 struct mlx4_vhcr *vhcr,
832 struct mlx4_cmd_mailbox *inbox,
833 struct mlx4_cmd_mailbox *outbox,
834 struct mlx4_cmd_info *cmd);
835 int mlx4_SW2HW_EQ_wrapper(struct mlx4_dev *dev, int slave,
836 struct mlx4_vhcr *vhcr,
837 struct mlx4_cmd_mailbox *inbox,
838 struct mlx4_cmd_mailbox *outbox,
839 struct mlx4_cmd_info *cmd);
840 int mlx4_DMA_wrapper(struct mlx4_dev *dev, int slave,
841 struct mlx4_vhcr *vhcr,
842 struct mlx4_cmd_mailbox *inbox,
843 struct mlx4_cmd_mailbox *outbox,
844 struct mlx4_cmd_info *cmd);
845 int __mlx4_qp_reserve_range(struct mlx4_dev *dev, int cnt, int align,
846 int *base);
847 void __mlx4_qp_release_range(struct mlx4_dev *dev, int base_qpn, int cnt);
848 int __mlx4_register_mac(struct mlx4_dev *dev, u8 port, u64 mac);
849 void __mlx4_unregister_mac(struct mlx4_dev *dev, u8 port, u64 mac);
850 int __mlx4_replace_mac(struct mlx4_dev *dev, u8 port, int qpn, u64 new_mac);
851 int __mlx4_write_mtt(struct mlx4_dev *dev, struct mlx4_mtt *mtt,
852 int start_index, int npages, u64 *page_list);
853
854 void mlx4_start_catas_poll(struct mlx4_dev *dev);
855 void mlx4_stop_catas_poll(struct mlx4_dev *dev);
856 void mlx4_catas_init(void);
857 int mlx4_restart_one(struct pci_dev *pdev);
858 int mlx4_register_device(struct mlx4_dev *dev);
859 void mlx4_unregister_device(struct mlx4_dev *dev);
860 void mlx4_dispatch_event(struct mlx4_dev *dev, enum mlx4_dev_event type, int port);
861
862 struct mlx4_dev_cap;
863 struct mlx4_init_hca_param;
864
865 u64 mlx4_make_profile(struct mlx4_dev *dev,
866 struct mlx4_profile *request,
867 struct mlx4_dev_cap *dev_cap,
868 struct mlx4_init_hca_param *init_hca);
869 void mlx4_master_comm_channel(struct work_struct *work);
870 void mlx4_gen_slave_eqe(struct work_struct *work);
871 void mlx4_master_handle_slave_flr(struct work_struct *work);
872
873 int mlx4_ALLOC_RES_wrapper(struct mlx4_dev *dev, int slave,
874 struct mlx4_vhcr *vhcr,
875 struct mlx4_cmd_mailbox *inbox,
876 struct mlx4_cmd_mailbox *outbox,
877 struct mlx4_cmd_info *cmd);
878 int mlx4_FREE_RES_wrapper(struct mlx4_dev *dev, int slave,
879 struct mlx4_vhcr *vhcr,
880 struct mlx4_cmd_mailbox *inbox,
881 struct mlx4_cmd_mailbox *outbox,
882 struct mlx4_cmd_info *cmd);
883 int mlx4_MAP_EQ_wrapper(struct mlx4_dev *dev, int slave,
884 struct mlx4_vhcr *vhcr, struct mlx4_cmd_mailbox *inbox,
885 struct mlx4_cmd_mailbox *outbox,
886 struct mlx4_cmd_info *cmd);
887 int mlx4_COMM_INT_wrapper(struct mlx4_dev *dev, int slave,
888 struct mlx4_vhcr *vhcr,
889 struct mlx4_cmd_mailbox *inbox,
890 struct mlx4_cmd_mailbox *outbox,
891 struct mlx4_cmd_info *cmd);
892 int mlx4_HW2SW_EQ_wrapper(struct mlx4_dev *dev, int slave,
893 struct mlx4_vhcr *vhcr,
894 struct mlx4_cmd_mailbox *inbox,
895 struct mlx4_cmd_mailbox *outbox,
896 struct mlx4_cmd_info *cmd);
897 int mlx4_QUERY_EQ_wrapper(struct mlx4_dev *dev, int slave,
898 struct mlx4_vhcr *vhcr,
899 struct mlx4_cmd_mailbox *inbox,
900 struct mlx4_cmd_mailbox *outbox,
901 struct mlx4_cmd_info *cmd);
902 int mlx4_SW2HW_CQ_wrapper(struct mlx4_dev *dev, int slave,
903 struct mlx4_vhcr *vhcr,
904 struct mlx4_cmd_mailbox *inbox,
905 struct mlx4_cmd_mailbox *outbox,
906 struct mlx4_cmd_info *cmd);
907 int mlx4_HW2SW_CQ_wrapper(struct mlx4_dev *dev, int slave,
908 struct mlx4_vhcr *vhcr,
909 struct mlx4_cmd_mailbox *inbox,
910 struct mlx4_cmd_mailbox *outbox,
911 struct mlx4_cmd_info *cmd);
912 int mlx4_QUERY_CQ_wrapper(struct mlx4_dev *dev, int slave,
913 struct mlx4_vhcr *vhcr,
914 struct mlx4_cmd_mailbox *inbox,
915 struct mlx4_cmd_mailbox *outbox,
916 struct mlx4_cmd_info *cmd);
917 int mlx4_MODIFY_CQ_wrapper(struct mlx4_dev *dev, int slave,
918 struct mlx4_vhcr *vhcr,
919 struct mlx4_cmd_mailbox *inbox,
920 struct mlx4_cmd_mailbox *outbox,
921 struct mlx4_cmd_info *cmd);
922 int mlx4_SW2HW_SRQ_wrapper(struct mlx4_dev *dev, int slave,
923 struct mlx4_vhcr *vhcr,
924 struct mlx4_cmd_mailbox *inbox,
925 struct mlx4_cmd_mailbox *outbox,
926 struct mlx4_cmd_info *cmd);
927 int mlx4_HW2SW_SRQ_wrapper(struct mlx4_dev *dev, int slave,
928 struct mlx4_vhcr *vhcr,
929 struct mlx4_cmd_mailbox *inbox,
930 struct mlx4_cmd_mailbox *outbox,
931 struct mlx4_cmd_info *cmd);
932 int mlx4_QUERY_SRQ_wrapper(struct mlx4_dev *dev, int slave,
933 struct mlx4_vhcr *vhcr,
934 struct mlx4_cmd_mailbox *inbox,
935 struct mlx4_cmd_mailbox *outbox,
936 struct mlx4_cmd_info *cmd);
937 int mlx4_ARM_SRQ_wrapper(struct mlx4_dev *dev, int slave,
938 struct mlx4_vhcr *vhcr,
939 struct mlx4_cmd_mailbox *inbox,
940 struct mlx4_cmd_mailbox *outbox,
941 struct mlx4_cmd_info *cmd);
942 int mlx4_GEN_QP_wrapper(struct mlx4_dev *dev, int slave,
943 struct mlx4_vhcr *vhcr,
944 struct mlx4_cmd_mailbox *inbox,
945 struct mlx4_cmd_mailbox *outbox,
946 struct mlx4_cmd_info *cmd);
947 int mlx4_RST2INIT_QP_wrapper(struct mlx4_dev *dev, int slave,
948 struct mlx4_vhcr *vhcr,
949 struct mlx4_cmd_mailbox *inbox,
950 struct mlx4_cmd_mailbox *outbox,
951 struct mlx4_cmd_info *cmd);
952 int mlx4_INIT2RTR_QP_wrapper(struct mlx4_dev *dev, int slave,
953 struct mlx4_vhcr *vhcr,
954 struct mlx4_cmd_mailbox *inbox,
955 struct mlx4_cmd_mailbox *outbox,
956 struct mlx4_cmd_info *cmd);
957 int mlx4_2RST_QP_wrapper(struct mlx4_dev *dev, int slave,
958 struct mlx4_vhcr *vhcr,
959 struct mlx4_cmd_mailbox *inbox,
960 struct mlx4_cmd_mailbox *outbox,
961 struct mlx4_cmd_info *cmd);
962
963 int mlx4_GEN_EQE(struct mlx4_dev *dev, int slave, struct mlx4_eqe *eqe);
964
965 int mlx4_cmd_init(struct mlx4_dev *dev);
966 void mlx4_cmd_cleanup(struct mlx4_dev *dev);
967 int mlx4_multi_func_init(struct mlx4_dev *dev);
968 void mlx4_multi_func_cleanup(struct mlx4_dev *dev);
969 void mlx4_cmd_event(struct mlx4_dev *dev, u16 token, u8 status, u64 out_param);
970 int mlx4_cmd_use_events(struct mlx4_dev *dev);
971 void mlx4_cmd_use_polling(struct mlx4_dev *dev);
972
973 int mlx4_comm_cmd(struct mlx4_dev *dev, u8 cmd, u16 param,
974 unsigned long timeout);
975
976 void mlx4_cq_completion(struct mlx4_dev *dev, u32 cqn);
977 void mlx4_cq_event(struct mlx4_dev *dev, u32 cqn, int event_type);
978
979 void mlx4_qp_event(struct mlx4_dev *dev, u32 qpn, int event_type);
980
981 void mlx4_srq_event(struct mlx4_dev *dev, u32 srqn, int event_type);
982
983 void mlx4_handle_catas_err(struct mlx4_dev *dev);
984
985 int mlx4_SENSE_PORT(struct mlx4_dev *dev, int port,
986 enum mlx4_port_type *type);
987 void mlx4_do_sense_ports(struct mlx4_dev *dev,
988 enum mlx4_port_type *stype,
989 enum mlx4_port_type *defaults);
990 void mlx4_start_sense(struct mlx4_dev *dev);
991 void mlx4_stop_sense(struct mlx4_dev *dev);
992 void mlx4_sense_init(struct mlx4_dev *dev);
993 int mlx4_check_port_params(struct mlx4_dev *dev,
994 enum mlx4_port_type *port_type);
995 int mlx4_change_port_types(struct mlx4_dev *dev,
996 enum mlx4_port_type *port_types);
997
998 void mlx4_init_mac_table(struct mlx4_dev *dev, struct mlx4_mac_table *table);
999 void mlx4_init_vlan_table(struct mlx4_dev *dev, struct mlx4_vlan_table *table);
1000
1001 int mlx4_SET_PORT(struct mlx4_dev *dev, u8 port);
1002 /* resource tracker functions*/
1003 int mlx4_get_slave_from_resource_id(struct mlx4_dev *dev,
1004 enum mlx4_resource resource_type,
1005 int resource_id, int *slave);
1006 void mlx4_delete_all_resources_for_slave(struct mlx4_dev *dev, int slave_id);
1007 int mlx4_init_resource_tracker(struct mlx4_dev *dev);
1008
1009 void mlx4_free_resource_tracker(struct mlx4_dev *dev);
1010
1011 int mlx4_SET_PORT_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_INIT_PORT_wrapper(struct mlx4_dev *dev, int slave,
1017 struct mlx4_vhcr *vhcr,
1018 struct mlx4_cmd_mailbox *inbox,
1019 struct mlx4_cmd_mailbox *outbox,
1020 struct mlx4_cmd_info *cmd);
1021 int mlx4_CLOSE_PORT_wrapper(struct mlx4_dev *dev, int slave,
1022 struct mlx4_vhcr *vhcr,
1023 struct mlx4_cmd_mailbox *inbox,
1024 struct mlx4_cmd_mailbox *outbox,
1025 struct mlx4_cmd_info *cmd);
1026 int mlx4_QUERY_PORT_wrapper(struct mlx4_dev *dev, int slave,
1027 struct mlx4_vhcr *vhcr,
1028 struct mlx4_cmd_mailbox *inbox,
1029 struct mlx4_cmd_mailbox *outbox,
1030 struct mlx4_cmd_info *cmd);
1031 int mlx4_get_port_ib_caps(struct mlx4_dev *dev, u8 port, __be32 *caps);
1032 int mlx4_check_ext_port_caps(struct mlx4_dev *dev, u8 port);
1033
1034
1035 int mlx4_QP_ATTACH_wrapper(struct mlx4_dev *dev, int slave,
1036 struct mlx4_vhcr *vhcr,
1037 struct mlx4_cmd_mailbox *inbox,
1038 struct mlx4_cmd_mailbox *outbox,
1039 struct mlx4_cmd_info *cmd);
1040
1041 int mlx4_PROMISC_wrapper(struct mlx4_dev *dev, int slave,
1042 struct mlx4_vhcr *vhcr,
1043 struct mlx4_cmd_mailbox *inbox,
1044 struct mlx4_cmd_mailbox *outbox,
1045 struct mlx4_cmd_info *cmd);
1046 int mlx4_qp_detach_common(struct mlx4_dev *dev, struct mlx4_qp *qp, u8 gid[16],
1047 enum mlx4_protocol prot, enum mlx4_steer_type steer);
1048 int mlx4_qp_attach_common(struct mlx4_dev *dev, struct mlx4_qp *qp, u8 gid[16],
1049 int block_mcast_loopback, enum mlx4_protocol prot,
1050 enum mlx4_steer_type steer);
1051 int mlx4_SET_MCAST_FLTR_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_SET_VLAN_FLTR_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_common_set_vlan_fltr(struct mlx4_dev *dev, int function,
1062 int port, void *buf);
1063 int mlx4_common_dump_eth_stats(struct mlx4_dev *dev, int slave, u32 in_mod,
1064 struct mlx4_cmd_mailbox *outbox);
1065 int mlx4_DUMP_ETH_STATS_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_PKEY_TABLE_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_IF_STAT_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
1081 int mlx4_get_mgm_entry_size(struct mlx4_dev *dev);
1082 int mlx4_get_qp_per_mgm(struct mlx4_dev *dev);
1083
1084 static inline void set_param_l(u64 *arg, u32 val)
1085 {
1086 *((u32 *)arg) = val;
1087 }
1088
1089 static inline void set_param_h(u64 *arg, u32 val)
1090 {
1091 *arg = (*arg & 0xffffffff) | ((u64) val << 32);
1092 }
1093
1094 static inline u32 get_param_l(u64 *arg)
1095 {
1096 return (u32) (*arg & 0xffffffff);
1097 }
1098
1099 static inline u32 get_param_h(u64 *arg)
1100 {
1101 return (u32)(*arg >> 32);
1102 }
1103
1104 static inline spinlock_t *mlx4_tlock(struct mlx4_dev *dev)
1105 {
1106 return &mlx4_priv(dev)->mfunc.master.res_tracker.lock;
1107 }
1108
1109 #define NOT_MASKED_PD_BITS 17
1110
1111 #endif /* MLX4_H */
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