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 #include <linux/rwsem.h>
50 #include <linux/auxiliary_bus.h>
51 #include <linux/notifier.h>
52
53 #include <linux/mlx4/device.h>
54 #include <linux/mlx4/driver.h>
55 #include <linux/mlx4/doorbell.h>
56 #include <linux/mlx4/cmd.h>
57 #include "fw_qos.h"
58
59 #define DRV_NAME "mlx4_core"
60 #define DRV_VERSION "4.0-0"
61 #define DRV_NAME_FOR_FW "Linux," DRV_NAME "," DRV_VERSION
62
63 #define MLX4_FS_UDP_UC_EN (1 << 1)
64 #define MLX4_FS_TCP_UC_EN (1 << 2)
65 #define MLX4_FS_NUM_OF_L2_ADDR 8
66 #define MLX4_FS_MGM_LOG_ENTRY_SIZE 7
67 #define MLX4_FS_NUM_MCG (1 << 17)
68
69 #define INIT_HCA_TPT_MW_ENABLE (1 << 7)
70
71 #define MLX4_QUERY_IF_STAT_RESET BIT(31)
72
73 enum {
74 MLX4_HCR_BASE = 0x80680,
75 MLX4_HCR_SIZE = 0x0001c,
76 MLX4_CLR_INT_SIZE = 0x00008,
77 MLX4_SLAVE_COMM_BASE = 0x0,
78 MLX4_COMM_PAGESIZE = 0x1000,
79 MLX4_CLOCK_SIZE = 0x00008,
80 MLX4_COMM_CHAN_CAPS = 0x8,
81 MLX4_COMM_CHAN_FLAGS = 0xc
82 };
83
84 enum {
85 MLX4_DEFAULT_MGM_LOG_ENTRY_SIZE = 10,
86 MLX4_MIN_MGM_LOG_ENTRY_SIZE = 7,
87 MLX4_MAX_MGM_LOG_ENTRY_SIZE = 12,
88 MLX4_MAX_QP_PER_MGM = 4 * ((1 << MLX4_MAX_MGM_LOG_ENTRY_SIZE) / 16 - 2),
89 };
90
91 enum {
92 MLX4_NUM_PDS = 1 << 15
93 };
94
95 enum {
96 MLX4_CMPT_TYPE_QP = 0,
97 MLX4_CMPT_TYPE_SRQ = 1,
98 MLX4_CMPT_TYPE_CQ = 2,
99 MLX4_CMPT_TYPE_EQ = 3,
100 MLX4_CMPT_NUM_TYPE
101 };
102
103 enum {
104 MLX4_CMPT_SHIFT = 24,
105 MLX4_NUM_CMPTS = MLX4_CMPT_NUM_TYPE << MLX4_CMPT_SHIFT
106 };
107
108 enum mlx4_mpt_state {
109 MLX4_MPT_DISABLED = 0,
110 MLX4_MPT_EN_HW,
111 MLX4_MPT_EN_SW
112 };
113
114 #define MLX4_COMM_TIME 10000
115 #define MLX4_COMM_OFFLINE_TIME_OUT 30000
116 #define MLX4_COMM_CMD_NA_OP 0x0
117
118
119 enum {
120 MLX4_COMM_CMD_RESET,
121 MLX4_COMM_CMD_VHCR0,
122 MLX4_COMM_CMD_VHCR1,
123 MLX4_COMM_CMD_VHCR2,
124 MLX4_COMM_CMD_VHCR_EN,
125 MLX4_COMM_CMD_VHCR_POST,
126 MLX4_COMM_CMD_FLR = 254
127 };
128
129 enum {
130 MLX4_VF_SMI_DISABLED,
131 MLX4_VF_SMI_ENABLED
132 };
133
134 /*The flag indicates that the slave should delay the RESET cmd*/
135 #define MLX4_DELAY_RESET_SLAVE 0xbbbbbbb
136 /*indicates how many retries will be done if we are in the middle of FLR*/
137 #define NUM_OF_RESET_RETRIES 10
138 #define SLEEP_TIME_IN_RESET (2 * 1000)
139 enum mlx4_resource {
140 RES_QP,
141 RES_CQ,
142 RES_SRQ,
143 RES_XRCD,
144 RES_MPT,
145 RES_MTT,
146 RES_MAC,
147 RES_VLAN,
148 RES_NPORT_ID,
149 RES_COUNTER,
150 RES_FS_RULE,
151 RES_EQ,
152 MLX4_NUM_OF_RESOURCE_TYPE
153 };
154
155 enum mlx4_alloc_mode {
156 RES_OP_RESERVE,
157 RES_OP_RESERVE_AND_MAP,
158 RES_OP_MAP_ICM,
159 };
160
161 enum mlx4_res_tracker_free_type {
162 RES_TR_FREE_ALL,
163 RES_TR_FREE_SLAVES_ONLY,
164 RES_TR_FREE_STRUCTS_ONLY,
165 };
166
167 /*
168 *Virtual HCR structures.
169 * mlx4_vhcr is the sw representation, in machine endianness
170 *
171 * mlx4_vhcr_cmd is the formalized structure, the one that is passed
172 * to FW to go through communication channel.
173 * It is big endian, and has the same structure as the physical HCR
174 * used by command interface
175 */
176 struct mlx4_vhcr {
177 u64 in_param;
178 u64 out_param;
179 u32 in_modifier;
180 u32 errno;
181 u16 op;
182 u16 token;
183 u8 op_modifier;
184 u8 e_bit;
185 };
186
187 struct mlx4_vhcr_cmd {
188 __be64 in_param;
189 __be32 in_modifier;
190 u32 reserved1;
191 __be64 out_param;
192 __be16 token;
193 u16 reserved;
194 u8 status;
195 u8 flags;
196 __be16 opcode;
197 };
198
199 struct mlx4_cmd_info {
200 u16 opcode;
201 bool has_inbox;
202 bool has_outbox;
203 bool out_is_imm;
204 bool encode_slave_id;
205 int (*verify)(struct mlx4_dev *dev, int slave, struct mlx4_vhcr *vhcr,
206 struct mlx4_cmd_mailbox *inbox);
207 int (*wrapper)(struct mlx4_dev *dev, int slave, struct mlx4_vhcr *vhcr,
208 struct mlx4_cmd_mailbox *inbox,
209 struct mlx4_cmd_mailbox *outbox,
210 struct mlx4_cmd_info *cmd);
211 };
212
213 #ifdef CONFIG_MLX4_DEBUG
214 extern int mlx4_debug_level;
215 #else /* CONFIG_MLX4_DEBUG */
216 #define mlx4_debug_level (0)
217 #endif /* CONFIG_MLX4_DEBUG */
218
219 #define mlx4_dbg(mdev, format, ...) \
220 do { \
221 if (mlx4_debug_level) \
222 dev_printk(KERN_DEBUG, \
223 &(mdev)->persist->pdev->dev, format, \
224 ##__VA_ARGS__); \
225 } while (0)
226
227 #define mlx4_err(mdev, format, ...) \
228 dev_err(&(mdev)->persist->pdev->dev, format, ##__VA_ARGS__)
229 #define mlx4_info(mdev, format, ...) \
230 dev_info(&(mdev)->persist->pdev->dev, format, ##__VA_ARGS__)
231 #define mlx4_warn(mdev, format, ...) \
232 dev_warn(&(mdev)->persist->pdev->dev, format, ##__VA_ARGS__)
233
234 extern int log_mtts_per_seg;
235 extern int mlx4_internal_err_reset;
236
237 #define MLX4_MAX_NUM_SLAVES (min(MLX4_MAX_NUM_PF + MLX4_MAX_NUM_VF, \
238 MLX4_MFUNC_MAX))
239 #define ALL_SLAVES 0xff
240
241 struct mlx4_bitmap {
242 u32 last;
243 u32 top;
244 u32 max;
245 u32 reserved_top;
246 u32 mask;
247 u32 avail;
248 u32 effective_len;
249 spinlock_t lock;
250 unsigned long *table;
251 };
252
253 struct mlx4_buddy {
254 unsigned long **bits;
255 unsigned int *num_free;
256 u32 max_order;
257 spinlock_t lock;
258 };
259
260 struct mlx4_icm;
261
262 struct mlx4_icm_table {
263 u64 virt;
264 int num_icm;
265 u32 num_obj;
266 int obj_size;
267 int lowmem;
268 int coherent;
269 struct mutex mutex;
270 struct mlx4_icm **icm;
271 };
272
273 #define MLX4_MPT_FLAG_SW_OWNS (0xfUL << 28)
274 #define MLX4_MPT_FLAG_FREE (0x3UL << 28)
275 #define MLX4_MPT_FLAG_MIO (1 << 17)
276 #define MLX4_MPT_FLAG_BIND_ENABLE (1 << 15)
277 #define MLX4_MPT_FLAG_PHYSICAL (1 << 9)
278 #define MLX4_MPT_FLAG_REGION (1 << 8)
279
280 #define MLX4_MPT_PD_MASK (0x1FFFFUL)
281 #define MLX4_MPT_PD_VF_MASK (0xFE0000UL)
282 #define MLX4_MPT_PD_FLAG_FAST_REG (1 << 27)
283 #define MLX4_MPT_PD_FLAG_RAE (1 << 28)
284 #define MLX4_MPT_PD_FLAG_EN_INV (3 << 24)
285
286 #define MLX4_MPT_QP_FLAG_BOUND_QP (1 << 7)
287
288 #define MLX4_MPT_STATUS_SW 0xF0
289 #define MLX4_MPT_STATUS_HW 0x00
290
291 #define MLX4_CQE_SIZE_MASK_STRIDE 0x3
292 #define MLX4_EQE_SIZE_MASK_STRIDE 0x30
293
294 #define MLX4_EQ_ASYNC 0
295 #define MLX4_EQ_TO_CQ_VECTOR(vector) ((vector) - \
296 !!((int)(vector) >= MLX4_EQ_ASYNC))
297 #define MLX4_CQ_TO_EQ_VECTOR(vector) ((vector) + \
298 !!((int)(vector) >= MLX4_EQ_ASYNC))
299
300 /*
301 * Must be packed because mtt_seg is 64 bits but only aligned to 32 bits.
302 */
303 struct mlx4_mpt_entry {
304 __be32 flags;
305 __be32 qpn;
306 __be32 key;
307 __be32 pd_flags;
308 __be64 start;
309 __be64 length;
310 __be32 lkey;
311 __be32 win_cnt;
312 u8 reserved1[3];
313 u8 mtt_rep;
314 __be64 mtt_addr;
315 __be32 mtt_sz;
316 __be32 entity_size;
317 __be32 first_byte_offset;
318 } __packed;
319
320 /*
321 * Must be packed because start is 64 bits but only aligned to 32 bits.
322 */
323 struct mlx4_eq_context {
324 __be32 flags;
325 u16 reserved1[3];
326 __be16 page_offset;
327 u8 log_eq_size;
328 u8 reserved2[4];
329 u8 eq_period;
330 u8 reserved3;
331 u8 eq_max_count;
332 u8 reserved4[3];
333 u8 intr;
334 u8 log_page_size;
335 u8 reserved5[2];
336 u8 mtt_base_addr_h;
337 __be32 mtt_base_addr_l;
338 u32 reserved6[2];
339 __be32 consumer_index;
340 __be32 producer_index;
341 u32 reserved7[4];
342 };
343
344 struct mlx4_cq_context {
345 __be32 flags;
346 u16 reserved1[3];
347 __be16 page_offset;
348 __be32 logsize_usrpage;
349 __be16 cq_period;
350 __be16 cq_max_count;
351 u8 reserved2[3];
352 u8 comp_eqn;
353 u8 log_page_size;
354 u8 reserved3[2];
355 u8 mtt_base_addr_h;
356 __be32 mtt_base_addr_l;
357 __be32 last_notified_index;
358 __be32 solicit_producer_index;
359 __be32 consumer_index;
360 __be32 producer_index;
361 u32 reserved4[2];
362 __be64 db_rec_addr;
363 };
364
365 struct mlx4_srq_context {
366 __be32 state_logsize_srqn;
367 u8 logstride;
368 u8 reserved1;
369 __be16 xrcd;
370 __be32 pg_offset_cqn;
371 u32 reserved2;
372 u8 log_page_size;
373 u8 reserved3[2];
374 u8 mtt_base_addr_h;
375 __be32 mtt_base_addr_l;
376 __be32 pd;
377 __be16 limit_watermark;
378 __be16 wqe_cnt;
379 u16 reserved4;
380 __be16 wqe_counter;
381 u32 reserved5;
382 __be64 db_rec_addr;
383 };
384
385 struct mlx4_eq_tasklet {
386 struct list_head list;
387 struct list_head process_list;
388 struct tasklet_struct task;
389 /* lock on completion tasklet list */
390 spinlock_t lock;
391 };
392
393 struct mlx4_eq {
394 struct mlx4_dev *dev;
395 void __iomem *doorbell;
396 int eqn;
397 u32 cons_index;
398 u16 irq;
399 u16 have_irq;
400 int nent;
401 struct mlx4_buf_list *page_list;
402 struct mlx4_mtt mtt;
403 struct mlx4_eq_tasklet tasklet_ctx;
404 struct mlx4_active_ports actv_ports;
405 u32 ref_count;
406 cpumask_var_t affinity_mask;
407 };
408
409 struct mlx4_slave_eqe {
410 u8 type;
411 u8 port;
412 u32 param;
413 };
414
415 struct mlx4_slave_event_eq_info {
416 int eqn;
417 u16 token;
418 };
419
420 struct mlx4_profile {
421 int num_qp;
422 int rdmarc_per_qp;
423 int num_srq;
424 int num_cq;
425 int num_mcg;
426 int num_mpt;
427 unsigned num_mtt;
428 };
429
430 struct mlx4_fw {
431 u64 clr_int_base;
432 u64 catas_offset;
433 u64 comm_base;
434 u64 clock_offset;
435 struct mlx4_icm *fw_icm;
436 struct mlx4_icm *aux_icm;
437 u32 catas_size;
438 u16 fw_pages;
439 u8 clr_int_bar;
440 u8 catas_bar;
441 u8 comm_bar;
442 u8 clock_bar;
443 };
444
445 struct mlx4_comm {
446 u32 slave_write;
447 u32 slave_read;
448 };
449
450 enum {
451 MLX4_MCAST_CONFIG = 0,
452 MLX4_MCAST_DISABLE = 1,
453 MLX4_MCAST_ENABLE = 2,
454 };
455
456 #define VLAN_FLTR_SIZE 128
457
458 struct mlx4_vlan_fltr {
459 __be32 entry[VLAN_FLTR_SIZE];
460 };
461
462 struct mlx4_mcast_entry {
463 struct list_head list;
464 u64 addr;
465 };
466
467 struct mlx4_promisc_qp {
468 struct list_head list;
469 u32 qpn;
470 };
471
472 struct mlx4_steer_index {
473 struct list_head list;
474 unsigned int index;
475 struct list_head duplicates;
476 };
477
478 #define MLX4_EVENT_TYPES_NUM 64
479
480 struct mlx4_slave_state {
481 u8 comm_toggle;
482 u8 last_cmd;
483 u8 init_port_mask;
484 bool active;
485 bool old_vlan_api;
486 bool vst_qinq_supported;
487 u8 function;
488 dma_addr_t vhcr_dma;
489 u16 user_mtu[MLX4_MAX_PORTS + 1];
490 u16 mtu[MLX4_MAX_PORTS + 1];
491 __be32 ib_cap_mask[MLX4_MAX_PORTS + 1];
492 struct mlx4_slave_eqe eq[MLX4_MFUNC_MAX_EQES];
493 struct list_head mcast_filters[MLX4_MAX_PORTS + 1];
494 struct mlx4_vlan_fltr *vlan_filter[MLX4_MAX_PORTS + 1];
495 /* event type to eq number lookup */
496 struct mlx4_slave_event_eq_info event_eq[MLX4_EVENT_TYPES_NUM];
497 u16 eq_pi;
498 u16 eq_ci;
499 spinlock_t lock;
500 /*initialized via the kzalloc*/
501 u8 is_slave_going_down;
502 u32 cookie;
503 enum slave_port_state port_state[MLX4_MAX_PORTS + 1];
504 };
505
506 #define MLX4_VGT 4095
507 #define NO_INDX (-1)
508
509 struct mlx4_vport_state {
510 u64 mac;
511 u16 default_vlan;
512 u8 default_qos;
513 __be16 vlan_proto;
514 u32 tx_rate;
515 bool spoofchk;
516 u32 link_state;
517 u8 qos_vport;
518 __be64 guid;
519 };
520
521 struct mlx4_vf_admin_state {
522 struct mlx4_vport_state vport[MLX4_MAX_PORTS + 1];
523 u8 enable_smi[MLX4_MAX_PORTS + 1];
524 };
525
526 struct mlx4_vport_oper_state {
527 struct mlx4_vport_state state;
528 int mac_idx;
529 int vlan_idx;
530 };
531
532 struct mlx4_vf_oper_state {
533 struct mlx4_vport_oper_state vport[MLX4_MAX_PORTS + 1];
534 u8 smi_enabled[MLX4_MAX_PORTS + 1];
535 };
536
537 struct slave_list {
538 struct mutex mutex;
539 struct list_head res_list[MLX4_NUM_OF_RESOURCE_TYPE];
540 };
541
542 struct resource_allocator {
543 spinlock_t alloc_lock; /* protect quotas */
544 union {
545 unsigned int res_reserved;
546 unsigned int res_port_rsvd[MLX4_MAX_PORTS];
547 };
548 union {
549 int res_free;
550 int res_port_free[MLX4_MAX_PORTS];
551 };
552 int *quota;
553 int *allocated;
554 int *guaranteed;
555 };
556
557 struct mlx4_resource_tracker {
558 spinlock_t lock;
559 /* tree for each resources */
560 struct rb_root res_tree[MLX4_NUM_OF_RESOURCE_TYPE];
561 /* num_of_slave's lists, one per slave */
562 struct slave_list *slave_list;
563 struct resource_allocator res_alloc[MLX4_NUM_OF_RESOURCE_TYPE];
564 };
565
566 #define SLAVE_EVENT_EQ_SIZE 128
567 struct mlx4_slave_event_eq {
568 u32 eqn;
569 u32 cons;
570 u32 prod;
571 spinlock_t event_lock;
572 struct mlx4_eqe event_eqe[SLAVE_EVENT_EQ_SIZE];
573 };
574
575 struct mlx4_qos_manager {
576 int num_of_qos_vfs;
577 DECLARE_BITMAP(priority_bm, MLX4_NUM_UP);
578 };
579
580 struct mlx4_master_qp0_state {
581 int proxy_qp0_active;
582 int qp0_active;
583 int port_active;
584 };
585
586 struct mlx4_mfunc_master_ctx {
587 struct mlx4_slave_state *slave_state;
588 struct mlx4_vf_admin_state *vf_admin;
589 struct mlx4_vf_oper_state *vf_oper;
590 struct mlx4_master_qp0_state qp0_state[MLX4_MAX_PORTS + 1];
591 int init_port_ref[MLX4_MAX_PORTS + 1];
592 u16 max_mtu[MLX4_MAX_PORTS + 1];
593 u16 max_user_mtu[MLX4_MAX_PORTS + 1];
594 u8 pptx;
595 u8 pprx;
596 int disable_mcast_ref[MLX4_MAX_PORTS + 1];
597 struct mlx4_resource_tracker res_tracker;
598 struct workqueue_struct *comm_wq;
599 struct work_struct comm_work;
600 struct work_struct slave_event_work;
601 struct work_struct slave_flr_event_work;
602 spinlock_t slave_state_lock;
603 __be32 comm_arm_bit_vector[4];
604 struct mlx4_eqe cmd_eqe;
605 struct mlx4_slave_event_eq slave_eq;
606 struct mutex gen_eqe_mutex[MLX4_MFUNC_MAX];
607 struct mlx4_qos_manager qos_ctl[MLX4_MAX_PORTS + 1];
608 u32 next_slave; /* mlx4_master_comm_channel */
609 };
610
611 struct mlx4_mfunc {
612 struct mlx4_comm __iomem *comm;
613 struct mlx4_vhcr_cmd *vhcr;
614 dma_addr_t vhcr_dma;
615
616 struct mlx4_mfunc_master_ctx master;
617 };
618
619 #define MGM_QPN_MASK 0x00FFFFFF
620 #define MGM_BLCK_LB_BIT 30
621
622 struct mlx4_mgm {
623 __be32 next_gid_index;
624 __be32 members_count;
625 u32 reserved[2];
626 u8 gid[16];
627 __be32 qp[MLX4_MAX_QP_PER_MGM];
628 };
629
630 struct mlx4_cmd {
631 struct dma_pool *pool;
632 void __iomem *hcr;
633 struct mutex slave_cmd_mutex;
634 struct semaphore poll_sem;
635 struct semaphore event_sem;
636 struct rw_semaphore switch_sem;
637 int max_cmds;
638 spinlock_t context_lock;
639 int free_head;
640 struct mlx4_cmd_context *context;
641 u16 token_mask;
642 u8 use_events;
643 u8 toggle;
644 u8 comm_toggle;
645 u8 initialized;
646 };
647
648 enum {
649 MLX4_VF_IMMED_VLAN_FLAG_VLAN = 1 << 0,
650 MLX4_VF_IMMED_VLAN_FLAG_QOS = 1 << 1,
651 MLX4_VF_IMMED_VLAN_FLAG_LINK_DISABLE = 1 << 2,
652 };
653 struct mlx4_vf_immed_vlan_work {
654 struct work_struct work;
655 struct mlx4_priv *priv;
656 int flags;
657 int slave;
658 int vlan_ix;
659 int orig_vlan_ix;
660 u8 port;
661 u8 qos;
662 u8 qos_vport;
663 u16 vlan_id;
664 u16 orig_vlan_id;
665 __be16 vlan_proto;
666 };
667
668
669 struct mlx4_uar_table {
670 struct mlx4_bitmap bitmap;
671 };
672
673 struct mlx4_mr_table {
674 struct mlx4_bitmap mpt_bitmap;
675 struct mlx4_buddy mtt_buddy;
676 u64 mtt_base;
677 u64 mpt_base;
678 struct mlx4_icm_table mtt_table;
679 struct mlx4_icm_table dmpt_table;
680 };
681
682 struct mlx4_cq_table {
683 struct mlx4_bitmap bitmap;
684 spinlock_t lock;
685 struct radix_tree_root tree;
686 struct mlx4_icm_table table;
687 struct mlx4_icm_table cmpt_table;
688 };
689
690 struct mlx4_eq_table {
691 struct mlx4_bitmap bitmap;
692 char *irq_names;
693 void __iomem *clr_int;
694 void __iomem **uar_map;
695 u32 clr_mask;
696 struct mlx4_eq *eq;
697 struct mlx4_icm_table table;
698 struct mlx4_icm_table cmpt_table;
699 int have_irq;
700 u8 inta_pin;
701 };
702
703 struct mlx4_srq_table {
704 struct mlx4_bitmap bitmap;
705 spinlock_t lock;
706 struct radix_tree_root tree;
707 struct mlx4_icm_table table;
708 struct mlx4_icm_table cmpt_table;
709 };
710
711 enum mlx4_qp_table_zones {
712 MLX4_QP_TABLE_ZONE_GENERAL,
713 MLX4_QP_TABLE_ZONE_RSS,
714 MLX4_QP_TABLE_ZONE_RAW_ETH,
715 MLX4_QP_TABLE_ZONE_NUM
716 };
717
718 struct mlx4_qp_table {
719 struct mlx4_bitmap *bitmap_gen;
720 struct mlx4_zone_allocator *zones;
721 u32 zones_uids[MLX4_QP_TABLE_ZONE_NUM];
722 u32 rdmarc_base;
723 int rdmarc_shift;
724 spinlock_t lock;
725 struct mlx4_icm_table qp_table;
726 struct mlx4_icm_table auxc_table;
727 struct mlx4_icm_table altc_table;
728 struct mlx4_icm_table rdmarc_table;
729 struct mlx4_icm_table cmpt_table;
730 };
731
732 struct mlx4_mcg_table {
733 struct mutex mutex;
734 struct mlx4_bitmap bitmap;
735 struct mlx4_icm_table table;
736 };
737
738 struct mlx4_catas_err {
739 u32 __iomem *map;
740 struct timer_list timer;
741 struct list_head list;
742 };
743
744 #define MLX4_MAX_MAC_NUM 128
745 #define MLX4_MAC_TABLE_SIZE (MLX4_MAX_MAC_NUM << 3)
746
747 struct mlx4_mac_table {
748 __be64 entries[MLX4_MAX_MAC_NUM];
749 int refs[MLX4_MAX_MAC_NUM];
750 bool is_dup[MLX4_MAX_MAC_NUM];
751 struct mutex mutex;
752 int total;
753 int max;
754 };
755
756 #define MLX4_ROCE_GID_ENTRY_SIZE 16
757
758 struct mlx4_roce_gid_entry {
759 u8 raw[MLX4_ROCE_GID_ENTRY_SIZE];
760 };
761
762 struct mlx4_roce_gid_table {
763 struct mlx4_roce_gid_entry roce_gids[MLX4_ROCE_MAX_GIDS];
764 struct mutex mutex;
765 };
766
767 #define MLX4_MAX_VLAN_NUM 128
768 #define MLX4_VLAN_TABLE_SIZE (MLX4_MAX_VLAN_NUM << 2)
769
770 struct mlx4_vlan_table {
771 __be32 entries[MLX4_MAX_VLAN_NUM];
772 int refs[MLX4_MAX_VLAN_NUM];
773 int is_dup[MLX4_MAX_VLAN_NUM];
774 struct mutex mutex;
775 int total;
776 int max;
777 };
778
779 #define SET_PORT_GEN_ALL_VALID (MLX4_FLAG_V_MTU_MASK | \
780 MLX4_FLAG_V_PPRX_MASK | \
781 MLX4_FLAG_V_PPTX_MASK)
782 #define SET_PORT_PROMISC_SHIFT 31
783 #define SET_PORT_MC_PROMISC_SHIFT 30
784
785 enum {
786 MCAST_DIRECT_ONLY = 0,
787 MCAST_DIRECT = 1,
788 MCAST_DEFAULT = 2
789 };
790
791
792 struct mlx4_set_port_general_context {
793 u16 reserved1;
794 u8 flags2;
795 u8 flags;
796 union {
797 u8 ignore_fcs;
798 u8 roce_mode;
799 };
800 u8 reserved2;
801 __be16 mtu;
802 u8 pptx;
803 u8 pfctx;
804 u16 reserved3;
805 u8 pprx;
806 u8 pfcrx;
807 u16 reserved4;
808 u32 reserved5;
809 u8 phv_en;
810 u8 reserved6[5];
811 __be16 user_mtu;
812 u16 reserved7;
813 u8 user_mac[6];
814 };
815
816 struct mlx4_set_port_rqp_calc_context {
817 __be32 base_qpn;
818 u8 rererved;
819 u8 n_mac;
820 u8 n_vlan;
821 u8 n_prio;
822 u8 reserved2[3];
823 u8 mac_miss;
824 u8 intra_no_vlan;
825 u8 no_vlan;
826 u8 intra_vlan_miss;
827 u8 vlan_miss;
828 u8 reserved3[3];
829 u8 no_vlan_prio;
830 __be32 promisc;
831 __be32 mcast;
832 };
833
834 struct mlx4_port_info {
835 struct mlx4_dev *dev;
836 int port;
837 char dev_name[16];
838 struct device_attribute port_attr;
839 enum mlx4_port_type tmp_type;
840 char dev_mtu_name[16];
841 struct device_attribute port_mtu_attr;
842 struct mlx4_mac_table mac_table;
843 struct mlx4_vlan_table vlan_table;
844 struct mlx4_roce_gid_table gid_table;
845 int base_qpn;
846 struct cpu_rmap *rmap;
847 struct devlink_port devlink_port;
848 };
849
850 struct mlx4_sense {
851 struct mlx4_dev *dev;
852 u8 do_sense_port[MLX4_MAX_PORTS + 1];
853 u8 sense_allowed[MLX4_MAX_PORTS + 1];
854 struct delayed_work sense_poll;
855 };
856
857 struct mlx4_msix_ctl {
858 DECLARE_BITMAP(pool_bm, MAX_MSIX);
859 struct mutex pool_lock;
860 };
861
862 struct mlx4_steer {
863 struct list_head promisc_qps[MLX4_NUM_STEERS];
864 struct list_head steer_entries[MLX4_NUM_STEERS];
865 };
866
867 struct mlx4_port_map {
868 u8 port1;
869 u8 port2;
870 };
871
872 enum {
873 MLX4_PCI_DEV_IS_VF = 1 << 0,
874 MLX4_PCI_DEV_FORCE_SENSE_PORT = 1 << 1,
875 };
876
877 enum {
878 MLX4_NO_RR = 0,
879 MLX4_USE_RR = 1,
880 };
881
882 struct mlx4_priv {
883 struct mlx4_dev dev;
884
885 struct mlx4_adev **adev;
886 int adev_idx;
887 struct atomic_notifier_head event_nh;
888
889 int pci_dev_data;
890 int removed;
891
892 struct list_head pgdir_list;
893 struct mutex pgdir_mutex;
894
895 struct mlx4_fw fw;
896 struct mlx4_cmd cmd;
897 struct mlx4_mfunc mfunc;
898
899 struct mlx4_bitmap pd_bitmap;
900 struct mlx4_bitmap xrcd_bitmap;
901 struct mlx4_uar_table uar_table;
902 struct mlx4_mr_table mr_table;
903 struct mlx4_cq_table cq_table;
904 struct mlx4_eq_table eq_table;
905 struct mlx4_srq_table srq_table;
906 struct mlx4_qp_table qp_table;
907 struct mlx4_mcg_table mcg_table;
908 struct mlx4_bitmap counters_bitmap;
909 int def_counter[MLX4_MAX_PORTS];
910
911 struct mlx4_catas_err catas_err;
912
913 void __iomem *clr_base;
914
915 struct mlx4_uar driver_uar;
916 void __iomem *kar;
917 struct mlx4_port_info port[MLX4_MAX_PORTS + 1];
918 struct mlx4_sense sense;
919 struct mutex port_mutex;
920 struct mlx4_msix_ctl msix_ctl;
921 struct mlx4_steer *steer;
922 struct list_head bf_list;
923 struct mutex bf_mutex;
924 struct io_mapping *bf_mapping;
925 void __iomem *clock_mapping;
926 int reserved_mtts;
927 int fs_hash_mode;
928 u8 virt2phys_pkey[MLX4_MFUNC_MAX][MLX4_MAX_PORTS][MLX4_MAX_PORT_PKEYS];
929 struct mlx4_port_map v2p; /* cached port mapping configuration */
930 struct mutex bond_mutex; /* for bond mode */
931 __be64 slave_node_guids[MLX4_MFUNC_MAX];
932
933 atomic_t opreq_count;
934 struct work_struct opreq_task;
935 };
936
mlx4_priv(struct mlx4_dev * dev)937 static inline struct mlx4_priv *mlx4_priv(struct mlx4_dev *dev)
938 {
939 return container_of(dev, struct mlx4_priv, dev);
940 }
941
942 #define MLX4_SENSE_RANGE (HZ * 3)
943
944 extern struct workqueue_struct *mlx4_wq;
945
946 u32 mlx4_bitmap_alloc(struct mlx4_bitmap *bitmap);
947 void mlx4_bitmap_free(struct mlx4_bitmap *bitmap, u32 obj, int use_rr);
948 u32 mlx4_bitmap_alloc_range(struct mlx4_bitmap *bitmap, int cnt,
949 int align, u32 skip_mask);
950 void mlx4_bitmap_free_range(struct mlx4_bitmap *bitmap, u32 obj, int cnt,
951 int use_rr);
952 u32 mlx4_bitmap_avail(struct mlx4_bitmap *bitmap);
953 int mlx4_bitmap_init(struct mlx4_bitmap *bitmap, u32 num, u32 mask,
954 u32 reserved_bot, u32 resetrved_top);
955 void mlx4_bitmap_cleanup(struct mlx4_bitmap *bitmap);
956
957 int mlx4_reset(struct mlx4_dev *dev);
958
959 int mlx4_alloc_eq_table(struct mlx4_dev *dev);
960 void mlx4_free_eq_table(struct mlx4_dev *dev);
961
962 int mlx4_init_pd_table(struct mlx4_dev *dev);
963 int mlx4_init_xrcd_table(struct mlx4_dev *dev);
964 int mlx4_init_uar_table(struct mlx4_dev *dev);
965 int mlx4_init_mr_table(struct mlx4_dev *dev);
966 int mlx4_init_eq_table(struct mlx4_dev *dev);
967 int mlx4_init_cq_table(struct mlx4_dev *dev);
968 int mlx4_init_qp_table(struct mlx4_dev *dev);
969 int mlx4_init_srq_table(struct mlx4_dev *dev);
970 int mlx4_init_mcg_table(struct mlx4_dev *dev);
971
972 void mlx4_cleanup_pd_table(struct mlx4_dev *dev);
973 void mlx4_cleanup_xrcd_table(struct mlx4_dev *dev);
974 void mlx4_cleanup_uar_table(struct mlx4_dev *dev);
975 void mlx4_cleanup_mr_table(struct mlx4_dev *dev);
976 void mlx4_cleanup_eq_table(struct mlx4_dev *dev);
977 void mlx4_cleanup_cq_table(struct mlx4_dev *dev);
978 void mlx4_cleanup_qp_table(struct mlx4_dev *dev);
979 void mlx4_cleanup_srq_table(struct mlx4_dev *dev);
980 void mlx4_cleanup_mcg_table(struct mlx4_dev *dev);
981 int __mlx4_qp_alloc_icm(struct mlx4_dev *dev, int qpn);
982 void __mlx4_qp_free_icm(struct mlx4_dev *dev, int qpn);
983 int __mlx4_cq_alloc_icm(struct mlx4_dev *dev, int *cqn);
984 void __mlx4_cq_free_icm(struct mlx4_dev *dev, int cqn);
985 int __mlx4_srq_alloc_icm(struct mlx4_dev *dev, int *srqn);
986 void __mlx4_srq_free_icm(struct mlx4_dev *dev, int srqn);
987 int __mlx4_mpt_reserve(struct mlx4_dev *dev);
988 void __mlx4_mpt_release(struct mlx4_dev *dev, u32 index);
989 int __mlx4_mpt_alloc_icm(struct mlx4_dev *dev, u32 index);
990 void __mlx4_mpt_free_icm(struct mlx4_dev *dev, u32 index);
991 u32 __mlx4_alloc_mtt_range(struct mlx4_dev *dev, int order);
992 void __mlx4_free_mtt_range(struct mlx4_dev *dev, u32 first_seg, int order);
993
994 int mlx4_WRITE_MTT_wrapper(struct mlx4_dev *dev, int slave,
995 struct mlx4_vhcr *vhcr,
996 struct mlx4_cmd_mailbox *inbox,
997 struct mlx4_cmd_mailbox *outbox,
998 struct mlx4_cmd_info *cmd);
999 int mlx4_SYNC_TPT_wrapper(struct mlx4_dev *dev, int slave,
1000 struct mlx4_vhcr *vhcr,
1001 struct mlx4_cmd_mailbox *inbox,
1002 struct mlx4_cmd_mailbox *outbox,
1003 struct mlx4_cmd_info *cmd);
1004 int mlx4_SW2HW_MPT_wrapper(struct mlx4_dev *dev, int slave,
1005 struct mlx4_vhcr *vhcr,
1006 struct mlx4_cmd_mailbox *inbox,
1007 struct mlx4_cmd_mailbox *outbox,
1008 struct mlx4_cmd_info *cmd);
1009 int mlx4_HW2SW_MPT_wrapper(struct mlx4_dev *dev, int slave,
1010 struct mlx4_vhcr *vhcr,
1011 struct mlx4_cmd_mailbox *inbox,
1012 struct mlx4_cmd_mailbox *outbox,
1013 struct mlx4_cmd_info *cmd);
1014 int mlx4_QUERY_MPT_wrapper(struct mlx4_dev *dev, int slave,
1015 struct mlx4_vhcr *vhcr,
1016 struct mlx4_cmd_mailbox *inbox,
1017 struct mlx4_cmd_mailbox *outbox,
1018 struct mlx4_cmd_info *cmd);
1019 int mlx4_SW2HW_EQ_wrapper(struct mlx4_dev *dev, int slave,
1020 struct mlx4_vhcr *vhcr,
1021 struct mlx4_cmd_mailbox *inbox,
1022 struct mlx4_cmd_mailbox *outbox,
1023 struct mlx4_cmd_info *cmd);
1024 int mlx4_CONFIG_DEV_wrapper(struct mlx4_dev *dev, int slave,
1025 struct mlx4_vhcr *vhcr,
1026 struct mlx4_cmd_mailbox *inbox,
1027 struct mlx4_cmd_mailbox *outbox,
1028 struct mlx4_cmd_info *cmd);
1029 int mlx4_DMA_wrapper(struct mlx4_dev *dev, int slave,
1030 struct mlx4_vhcr *vhcr,
1031 struct mlx4_cmd_mailbox *inbox,
1032 struct mlx4_cmd_mailbox *outbox,
1033 struct mlx4_cmd_info *cmd);
1034 int __mlx4_qp_reserve_range(struct mlx4_dev *dev, int cnt, int align,
1035 int *base, u8 flags);
1036 void __mlx4_qp_release_range(struct mlx4_dev *dev, int base_qpn, int cnt);
1037 int __mlx4_register_mac(struct mlx4_dev *dev, u8 port, u64 mac);
1038 void __mlx4_unregister_mac(struct mlx4_dev *dev, u8 port, u64 mac);
1039 int __mlx4_write_mtt(struct mlx4_dev *dev, struct mlx4_mtt *mtt,
1040 int start_index, int npages, u64 *page_list);
1041 int __mlx4_counter_alloc(struct mlx4_dev *dev, u32 *idx);
1042 void __mlx4_counter_free(struct mlx4_dev *dev, u32 idx);
1043 int mlx4_calc_vf_counters(struct mlx4_dev *dev, int slave, int port,
1044 struct mlx4_counter *data);
1045 int __mlx4_xrcd_alloc(struct mlx4_dev *dev, u32 *xrcdn);
1046 void __mlx4_xrcd_free(struct mlx4_dev *dev, u32 xrcdn);
1047
1048 void mlx4_start_catas_poll(struct mlx4_dev *dev);
1049 void mlx4_stop_catas_poll(struct mlx4_dev *dev);
1050 int mlx4_catas_init(struct mlx4_dev *dev);
1051 void mlx4_catas_end(struct mlx4_dev *dev);
1052 int mlx4_crdump_init(struct mlx4_dev *dev);
1053 void mlx4_crdump_end(struct mlx4_dev *dev);
1054 int mlx4_restart_one(struct pci_dev *pdev);
1055
1056 int mlx4_adev_init(struct mlx4_dev *dev);
1057 void mlx4_adev_cleanup(struct mlx4_dev *dev);
1058 int mlx4_register_device(struct mlx4_dev *dev);
1059 void mlx4_unregister_device(struct mlx4_dev *dev);
1060 void mlx4_dispatch_event(struct mlx4_dev *dev, enum mlx4_dev_event type,
1061 void *param);
1062
1063 struct mlx4_dev_cap;
1064 struct mlx4_init_hca_param;
1065
1066 u64 mlx4_make_profile(struct mlx4_dev *dev,
1067 struct mlx4_profile *request,
1068 struct mlx4_dev_cap *dev_cap,
1069 struct mlx4_init_hca_param *init_hca);
1070 void mlx4_master_comm_channel(struct work_struct *work);
1071 void mlx4_gen_slave_eqe(struct work_struct *work);
1072 void mlx4_master_handle_slave_flr(struct work_struct *work);
1073
1074 int mlx4_ALLOC_RES_wrapper(struct mlx4_dev *dev, int slave,
1075 struct mlx4_vhcr *vhcr,
1076 struct mlx4_cmd_mailbox *inbox,
1077 struct mlx4_cmd_mailbox *outbox,
1078 struct mlx4_cmd_info *cmd);
1079 int mlx4_FREE_RES_wrapper(struct mlx4_dev *dev, int slave,
1080 struct mlx4_vhcr *vhcr,
1081 struct mlx4_cmd_mailbox *inbox,
1082 struct mlx4_cmd_mailbox *outbox,
1083 struct mlx4_cmd_info *cmd);
1084 int mlx4_MAP_EQ_wrapper(struct mlx4_dev *dev, int slave,
1085 struct mlx4_vhcr *vhcr, struct mlx4_cmd_mailbox *inbox,
1086 struct mlx4_cmd_mailbox *outbox,
1087 struct mlx4_cmd_info *cmd);
1088 int mlx4_COMM_INT_wrapper(struct mlx4_dev *dev, int slave,
1089 struct mlx4_vhcr *vhcr,
1090 struct mlx4_cmd_mailbox *inbox,
1091 struct mlx4_cmd_mailbox *outbox,
1092 struct mlx4_cmd_info *cmd);
1093 int mlx4_HW2SW_EQ_wrapper(struct mlx4_dev *dev, int slave,
1094 struct mlx4_vhcr *vhcr,
1095 struct mlx4_cmd_mailbox *inbox,
1096 struct mlx4_cmd_mailbox *outbox,
1097 struct mlx4_cmd_info *cmd);
1098 int mlx4_QUERY_EQ_wrapper(struct mlx4_dev *dev, int slave,
1099 struct mlx4_vhcr *vhcr,
1100 struct mlx4_cmd_mailbox *inbox,
1101 struct mlx4_cmd_mailbox *outbox,
1102 struct mlx4_cmd_info *cmd);
1103 int mlx4_SW2HW_CQ_wrapper(struct mlx4_dev *dev, int slave,
1104 struct mlx4_vhcr *vhcr,
1105 struct mlx4_cmd_mailbox *inbox,
1106 struct mlx4_cmd_mailbox *outbox,
1107 struct mlx4_cmd_info *cmd);
1108 int mlx4_HW2SW_CQ_wrapper(struct mlx4_dev *dev, int slave,
1109 struct mlx4_vhcr *vhcr,
1110 struct mlx4_cmd_mailbox *inbox,
1111 struct mlx4_cmd_mailbox *outbox,
1112 struct mlx4_cmd_info *cmd);
1113 int mlx4_QUERY_CQ_wrapper(struct mlx4_dev *dev, int slave,
1114 struct mlx4_vhcr *vhcr,
1115 struct mlx4_cmd_mailbox *inbox,
1116 struct mlx4_cmd_mailbox *outbox,
1117 struct mlx4_cmd_info *cmd);
1118 int mlx4_MODIFY_CQ_wrapper(struct mlx4_dev *dev, int slave,
1119 struct mlx4_vhcr *vhcr,
1120 struct mlx4_cmd_mailbox *inbox,
1121 struct mlx4_cmd_mailbox *outbox,
1122 struct mlx4_cmd_info *cmd);
1123 int mlx4_SW2HW_SRQ_wrapper(struct mlx4_dev *dev, int slave,
1124 struct mlx4_vhcr *vhcr,
1125 struct mlx4_cmd_mailbox *inbox,
1126 struct mlx4_cmd_mailbox *outbox,
1127 struct mlx4_cmd_info *cmd);
1128 int mlx4_HW2SW_SRQ_wrapper(struct mlx4_dev *dev, int slave,
1129 struct mlx4_vhcr *vhcr,
1130 struct mlx4_cmd_mailbox *inbox,
1131 struct mlx4_cmd_mailbox *outbox,
1132 struct mlx4_cmd_info *cmd);
1133 int mlx4_QUERY_SRQ_wrapper(struct mlx4_dev *dev, int slave,
1134 struct mlx4_vhcr *vhcr,
1135 struct mlx4_cmd_mailbox *inbox,
1136 struct mlx4_cmd_mailbox *outbox,
1137 struct mlx4_cmd_info *cmd);
1138 int mlx4_ARM_SRQ_wrapper(struct mlx4_dev *dev, int slave,
1139 struct mlx4_vhcr *vhcr,
1140 struct mlx4_cmd_mailbox *inbox,
1141 struct mlx4_cmd_mailbox *outbox,
1142 struct mlx4_cmd_info *cmd);
1143 int mlx4_GEN_QP_wrapper(struct mlx4_dev *dev, int slave,
1144 struct mlx4_vhcr *vhcr,
1145 struct mlx4_cmd_mailbox *inbox,
1146 struct mlx4_cmd_mailbox *outbox,
1147 struct mlx4_cmd_info *cmd);
1148 int mlx4_RST2INIT_QP_wrapper(struct mlx4_dev *dev, int slave,
1149 struct mlx4_vhcr *vhcr,
1150 struct mlx4_cmd_mailbox *inbox,
1151 struct mlx4_cmd_mailbox *outbox,
1152 struct mlx4_cmd_info *cmd);
1153 int mlx4_INIT2INIT_QP_wrapper(struct mlx4_dev *dev, int slave,
1154 struct mlx4_vhcr *vhcr,
1155 struct mlx4_cmd_mailbox *inbox,
1156 struct mlx4_cmd_mailbox *outbox,
1157 struct mlx4_cmd_info *cmd);
1158 int mlx4_INIT2RTR_QP_wrapper(struct mlx4_dev *dev, int slave,
1159 struct mlx4_vhcr *vhcr,
1160 struct mlx4_cmd_mailbox *inbox,
1161 struct mlx4_cmd_mailbox *outbox,
1162 struct mlx4_cmd_info *cmd);
1163 int mlx4_RTR2RTS_QP_wrapper(struct mlx4_dev *dev, int slave,
1164 struct mlx4_vhcr *vhcr,
1165 struct mlx4_cmd_mailbox *inbox,
1166 struct mlx4_cmd_mailbox *outbox,
1167 struct mlx4_cmd_info *cmd);
1168 int mlx4_RTS2RTS_QP_wrapper(struct mlx4_dev *dev, int slave,
1169 struct mlx4_vhcr *vhcr,
1170 struct mlx4_cmd_mailbox *inbox,
1171 struct mlx4_cmd_mailbox *outbox,
1172 struct mlx4_cmd_info *cmd);
1173 int mlx4_SQERR2RTS_QP_wrapper(struct mlx4_dev *dev, int slave,
1174 struct mlx4_vhcr *vhcr,
1175 struct mlx4_cmd_mailbox *inbox,
1176 struct mlx4_cmd_mailbox *outbox,
1177 struct mlx4_cmd_info *cmd);
1178 int mlx4_2ERR_QP_wrapper(struct mlx4_dev *dev, int slave,
1179 struct mlx4_vhcr *vhcr,
1180 struct mlx4_cmd_mailbox *inbox,
1181 struct mlx4_cmd_mailbox *outbox,
1182 struct mlx4_cmd_info *cmd);
1183 int mlx4_RTS2SQD_QP_wrapper(struct mlx4_dev *dev, int slave,
1184 struct mlx4_vhcr *vhcr,
1185 struct mlx4_cmd_mailbox *inbox,
1186 struct mlx4_cmd_mailbox *outbox,
1187 struct mlx4_cmd_info *cmd);
1188 int mlx4_SQD2SQD_QP_wrapper(struct mlx4_dev *dev, int slave,
1189 struct mlx4_vhcr *vhcr,
1190 struct mlx4_cmd_mailbox *inbox,
1191 struct mlx4_cmd_mailbox *outbox,
1192 struct mlx4_cmd_info *cmd);
1193 int mlx4_SQD2RTS_QP_wrapper(struct mlx4_dev *dev, int slave,
1194 struct mlx4_vhcr *vhcr,
1195 struct mlx4_cmd_mailbox *inbox,
1196 struct mlx4_cmd_mailbox *outbox,
1197 struct mlx4_cmd_info *cmd);
1198 int mlx4_2RST_QP_wrapper(struct mlx4_dev *dev, int slave,
1199 struct mlx4_vhcr *vhcr,
1200 struct mlx4_cmd_mailbox *inbox,
1201 struct mlx4_cmd_mailbox *outbox,
1202 struct mlx4_cmd_info *cmd);
1203 int mlx4_QUERY_QP_wrapper(struct mlx4_dev *dev, int slave,
1204 struct mlx4_vhcr *vhcr,
1205 struct mlx4_cmd_mailbox *inbox,
1206 struct mlx4_cmd_mailbox *outbox,
1207 struct mlx4_cmd_info *cmd);
1208
1209 int mlx4_GEN_EQE(struct mlx4_dev *dev, int slave, struct mlx4_eqe *eqe);
1210
1211 enum {
1212 MLX4_CMD_CLEANUP_STRUCT = 1UL << 0,
1213 MLX4_CMD_CLEANUP_POOL = 1UL << 1,
1214 MLX4_CMD_CLEANUP_HCR = 1UL << 2,
1215 MLX4_CMD_CLEANUP_VHCR = 1UL << 3,
1216 MLX4_CMD_CLEANUP_ALL = (MLX4_CMD_CLEANUP_VHCR << 1) - 1
1217 };
1218
1219 int mlx4_cmd_init(struct mlx4_dev *dev);
1220 void mlx4_cmd_cleanup(struct mlx4_dev *dev, int cleanup_mask);
1221 int mlx4_multi_func_init(struct mlx4_dev *dev);
1222 int mlx4_ARM_COMM_CHANNEL(struct mlx4_dev *dev);
1223 void mlx4_multi_func_cleanup(struct mlx4_dev *dev);
1224 void mlx4_cmd_event(struct mlx4_dev *dev, u16 token, u8 status, u64 out_param);
1225 int mlx4_cmd_use_events(struct mlx4_dev *dev);
1226 void mlx4_cmd_use_polling(struct mlx4_dev *dev);
1227
1228 int mlx4_comm_cmd(struct mlx4_dev *dev, u8 cmd, u16 param,
1229 u16 op, unsigned long timeout);
1230
1231 void mlx4_cq_tasklet_cb(struct tasklet_struct *t);
1232 void mlx4_cq_completion(struct mlx4_dev *dev, u32 cqn);
1233 void mlx4_cq_event(struct mlx4_dev *dev, u32 cqn, int event_type);
1234
1235 void mlx4_qp_event(struct mlx4_dev *dev, u32 qpn, int event_type);
1236
1237 void mlx4_srq_event(struct mlx4_dev *dev, u32 srqn, int event_type);
1238
1239 void mlx4_enter_error_state(struct mlx4_dev_persistent *persist);
1240 int mlx4_comm_internal_err(u32 slave_read);
1241
1242 int mlx4_crdump_collect(struct mlx4_dev *dev);
1243
1244 int mlx4_SENSE_PORT(struct mlx4_dev *dev, int port,
1245 enum mlx4_port_type *type);
1246 void mlx4_do_sense_ports(struct mlx4_dev *dev,
1247 enum mlx4_port_type *stype,
1248 enum mlx4_port_type *defaults);
1249 void mlx4_start_sense(struct mlx4_dev *dev);
1250 void mlx4_stop_sense(struct mlx4_dev *dev);
1251 void mlx4_sense_init(struct mlx4_dev *dev);
1252 int mlx4_check_port_params(struct mlx4_dev *dev,
1253 enum mlx4_port_type *port_type);
1254 int mlx4_change_port_types(struct mlx4_dev *dev,
1255 enum mlx4_port_type *port_types);
1256
1257 void mlx4_init_mac_table(struct mlx4_dev *dev, struct mlx4_mac_table *table);
1258 void mlx4_init_vlan_table(struct mlx4_dev *dev, struct mlx4_vlan_table *table);
1259 void mlx4_init_roce_gid_table(struct mlx4_dev *dev,
1260 struct mlx4_roce_gid_table *table);
1261 void __mlx4_unregister_vlan(struct mlx4_dev *dev, u8 port, u16 vlan);
1262 int __mlx4_register_vlan(struct mlx4_dev *dev, u8 port, u16 vlan, int *index);
1263 int mlx4_bond_vlan_table(struct mlx4_dev *dev);
1264 int mlx4_unbond_vlan_table(struct mlx4_dev *dev);
1265 int mlx4_bond_mac_table(struct mlx4_dev *dev);
1266 int mlx4_unbond_mac_table(struct mlx4_dev *dev);
1267
1268 int mlx4_SET_PORT(struct mlx4_dev *dev, u8 port, int pkey_tbl_sz);
1269 /* resource tracker functions*/
1270 int mlx4_get_slave_from_resource_id(struct mlx4_dev *dev,
1271 enum mlx4_resource resource_type,
1272 u64 resource_id, int *slave);
1273 void mlx4_delete_all_resources_for_slave(struct mlx4_dev *dev, int slave_id);
1274 void mlx4_reset_roce_gids(struct mlx4_dev *dev, int slave);
1275 int mlx4_init_resource_tracker(struct mlx4_dev *dev);
1276
1277 void mlx4_free_resource_tracker(struct mlx4_dev *dev,
1278 enum mlx4_res_tracker_free_type type);
1279
1280 int mlx4_QUERY_FW_wrapper(struct mlx4_dev *dev, int slave,
1281 struct mlx4_vhcr *vhcr,
1282 struct mlx4_cmd_mailbox *inbox,
1283 struct mlx4_cmd_mailbox *outbox,
1284 struct mlx4_cmd_info *cmd);
1285 int mlx4_SET_PORT_wrapper(struct mlx4_dev *dev, int slave,
1286 struct mlx4_vhcr *vhcr,
1287 struct mlx4_cmd_mailbox *inbox,
1288 struct mlx4_cmd_mailbox *outbox,
1289 struct mlx4_cmd_info *cmd);
1290 int mlx4_INIT_PORT_wrapper(struct mlx4_dev *dev, int slave,
1291 struct mlx4_vhcr *vhcr,
1292 struct mlx4_cmd_mailbox *inbox,
1293 struct mlx4_cmd_mailbox *outbox,
1294 struct mlx4_cmd_info *cmd);
1295 int mlx4_CLOSE_PORT_wrapper(struct mlx4_dev *dev, int slave,
1296 struct mlx4_vhcr *vhcr,
1297 struct mlx4_cmd_mailbox *inbox,
1298 struct mlx4_cmd_mailbox *outbox,
1299 struct mlx4_cmd_info *cmd);
1300 int mlx4_QUERY_DEV_CAP_wrapper(struct mlx4_dev *dev, int slave,
1301 struct mlx4_vhcr *vhcr,
1302 struct mlx4_cmd_mailbox *inbox,
1303 struct mlx4_cmd_mailbox *outbox,
1304 struct mlx4_cmd_info *cmd);
1305 int mlx4_QUERY_PORT_wrapper(struct mlx4_dev *dev, int slave,
1306 struct mlx4_vhcr *vhcr,
1307 struct mlx4_cmd_mailbox *inbox,
1308 struct mlx4_cmd_mailbox *outbox,
1309 struct mlx4_cmd_info *cmd);
1310 int mlx4_get_port_ib_caps(struct mlx4_dev *dev, u8 port, __be32 *caps);
1311
1312 int mlx4_get_slave_pkey_gid_tbl_len(struct mlx4_dev *dev, u8 port,
1313 int *gid_tbl_len, int *pkey_tbl_len);
1314
1315 int mlx4_QP_ATTACH_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
1321 int mlx4_UPDATE_QP_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
1327 int mlx4_PROMISC_wrapper(struct mlx4_dev *dev, int slave,
1328 struct mlx4_vhcr *vhcr,
1329 struct mlx4_cmd_mailbox *inbox,
1330 struct mlx4_cmd_mailbox *outbox,
1331 struct mlx4_cmd_info *cmd);
1332 int mlx4_qp_detach_common(struct mlx4_dev *dev, struct mlx4_qp *qp, u8 gid[16],
1333 enum mlx4_protocol prot, enum mlx4_steer_type steer);
1334 int mlx4_qp_attach_common(struct mlx4_dev *dev, struct mlx4_qp *qp, u8 gid[16],
1335 int block_mcast_loopback, enum mlx4_protocol prot,
1336 enum mlx4_steer_type steer);
1337 int mlx4_trans_to_dmfs_attach(struct mlx4_dev *dev, struct mlx4_qp *qp,
1338 u8 gid[16], u8 port,
1339 int block_mcast_loopback,
1340 enum mlx4_protocol prot, u64 *reg_id);
1341 int mlx4_SET_MCAST_FLTR_wrapper(struct mlx4_dev *dev, int slave,
1342 struct mlx4_vhcr *vhcr,
1343 struct mlx4_cmd_mailbox *inbox,
1344 struct mlx4_cmd_mailbox *outbox,
1345 struct mlx4_cmd_info *cmd);
1346 int mlx4_SET_VLAN_FLTR_wrapper(struct mlx4_dev *dev, int slave,
1347 struct mlx4_vhcr *vhcr,
1348 struct mlx4_cmd_mailbox *inbox,
1349 struct mlx4_cmd_mailbox *outbox,
1350 struct mlx4_cmd_info *cmd);
1351 int mlx4_common_set_vlan_fltr(struct mlx4_dev *dev, int function,
1352 int port, void *buf);
1353 int mlx4_DUMP_ETH_STATS_wrapper(struct mlx4_dev *dev, int slave,
1354 struct mlx4_vhcr *vhcr,
1355 struct mlx4_cmd_mailbox *inbox,
1356 struct mlx4_cmd_mailbox *outbox,
1357 struct mlx4_cmd_info *cmd);
1358 int mlx4_PKEY_TABLE_wrapper(struct mlx4_dev *dev, int slave,
1359 struct mlx4_vhcr *vhcr,
1360 struct mlx4_cmd_mailbox *inbox,
1361 struct mlx4_cmd_mailbox *outbox,
1362 struct mlx4_cmd_info *cmd);
1363 int mlx4_QUERY_IF_STAT_wrapper(struct mlx4_dev *dev, int slave,
1364 struct mlx4_vhcr *vhcr,
1365 struct mlx4_cmd_mailbox *inbox,
1366 struct mlx4_cmd_mailbox *outbox,
1367 struct mlx4_cmd_info *cmd);
1368 int mlx4_QP_FLOW_STEERING_ATTACH_wrapper(struct mlx4_dev *dev, int slave,
1369 struct mlx4_vhcr *vhcr,
1370 struct mlx4_cmd_mailbox *inbox,
1371 struct mlx4_cmd_mailbox *outbox,
1372 struct mlx4_cmd_info *cmd);
1373 int mlx4_QP_FLOW_STEERING_DETACH_wrapper(struct mlx4_dev *dev, int slave,
1374 struct mlx4_vhcr *vhcr,
1375 struct mlx4_cmd_mailbox *inbox,
1376 struct mlx4_cmd_mailbox *outbox,
1377 struct mlx4_cmd_info *cmd);
1378 int mlx4_ACCESS_REG_wrapper(struct mlx4_dev *dev, int slave,
1379 struct mlx4_vhcr *vhcr,
1380 struct mlx4_cmd_mailbox *inbox,
1381 struct mlx4_cmd_mailbox *outbox,
1382 struct mlx4_cmd_info *cmd);
1383
1384 int mlx4_get_mgm_entry_size(struct mlx4_dev *dev);
1385 int mlx4_get_qp_per_mgm(struct mlx4_dev *dev);
1386
set_param_l(u64 * arg,u32 val)1387 static inline void set_param_l(u64 *arg, u32 val)
1388 {
1389 *arg = (*arg & 0xffffffff00000000ULL) | (u64) val;
1390 }
1391
set_param_h(u64 * arg,u32 val)1392 static inline void set_param_h(u64 *arg, u32 val)
1393 {
1394 *arg = (*arg & 0xffffffff) | ((u64) val << 32);
1395 }
1396
get_param_l(u64 * arg)1397 static inline u32 get_param_l(u64 *arg)
1398 {
1399 return (u32) (*arg & 0xffffffff);
1400 }
1401
get_param_h(u64 * arg)1402 static inline u32 get_param_h(u64 *arg)
1403 {
1404 return (u32)(*arg >> 32);
1405 }
1406
mlx4_tlock(struct mlx4_dev * dev)1407 static inline spinlock_t *mlx4_tlock(struct mlx4_dev *dev)
1408 {
1409 return &mlx4_priv(dev)->mfunc.master.res_tracker.lock;
1410 }
1411
1412 #define NOT_MASKED_PD_BITS 17
1413
1414 void mlx4_vf_immed_vlan_work_handler(struct work_struct *_work);
1415
1416 void mlx4_init_quotas(struct mlx4_dev *dev);
1417
1418 /* for VFs, replace zero MACs with randomly-generated MACs at driver start */
1419 void mlx4_replace_zero_macs(struct mlx4_dev *dev);
1420 int mlx4_get_slave_num_gids(struct mlx4_dev *dev, int slave, int port);
1421 /* Returns the VF index of slave */
1422 int mlx4_get_vf_indx(struct mlx4_dev *dev, int slave);
1423 int mlx4_config_mad_demux(struct mlx4_dev *dev);
1424 int mlx4_do_bond(struct mlx4_dev *dev, bool enable);
1425 int mlx4_bond_fs_rules(struct mlx4_dev *dev);
1426 int mlx4_unbond_fs_rules(struct mlx4_dev *dev);
1427
1428 enum mlx4_zone_flags {
1429 MLX4_ZONE_ALLOW_ALLOC_FROM_LOWER_PRIO = 1UL << 0,
1430 MLX4_ZONE_ALLOW_ALLOC_FROM_EQ_PRIO = 1UL << 1,
1431 MLX4_ZONE_FALLBACK_TO_HIGHER_PRIO = 1UL << 2,
1432 MLX4_ZONE_USE_RR = 1UL << 3,
1433 };
1434
1435 enum mlx4_zone_alloc_flags {
1436 /* No two objects could overlap between zones. UID
1437 * could be left unused. If this flag is given and
1438 * two overlapped zones are used, an object will be free'd
1439 * from the smallest possible matching zone.
1440 */
1441 MLX4_ZONE_ALLOC_FLAGS_NO_OVERLAP = 1UL << 0,
1442 };
1443
1444 struct mlx4_zone_allocator;
1445
1446 /* Create a new zone allocator */
1447 struct mlx4_zone_allocator *mlx4_zone_allocator_create(enum mlx4_zone_alloc_flags flags);
1448
1449 /* Attach a mlx4_bitmap <bitmap> of priority <priority> to the zone allocator
1450 * <zone_alloc>. Allocating an object from this zone adds an offset <offset>.
1451 * Similarly, when searching for an object to free, this offset it taken into
1452 * account. The use_rr mlx4_ib parameter for allocating objects from this <bitmap>
1453 * is given through the MLX4_ZONE_USE_RR flag in <flags>.
1454 * When an allocation fails, <zone_alloc> tries to allocate from other zones
1455 * according to the policy set by <flags>. <puid> is the unique identifier
1456 * received to this zone.
1457 */
1458 int mlx4_zone_add_one(struct mlx4_zone_allocator *zone_alloc,
1459 struct mlx4_bitmap *bitmap,
1460 u32 flags,
1461 int priority,
1462 int offset,
1463 u32 *puid);
1464
1465 /* Remove bitmap indicated by <uid> from <zone_alloc> */
1466 int mlx4_zone_remove_one(struct mlx4_zone_allocator *zone_alloc, u32 uid);
1467
1468 /* Delete the zone allocator <zone_alloc. This function doesn't destroy
1469 * the attached bitmaps.
1470 */
1471 void mlx4_zone_allocator_destroy(struct mlx4_zone_allocator *zone_alloc);
1472
1473 /* Allocate <count> objects with align <align> and skip_mask <skip_mask>
1474 * from the mlx4_bitmap whose uid is <uid>. The bitmap which we actually
1475 * allocated from is returned in <puid>. If the allocation fails, a negative
1476 * number is returned. Otherwise, the offset of the first object is returned.
1477 */
1478 u32 mlx4_zone_alloc_entries(struct mlx4_zone_allocator *zones, u32 uid, int count,
1479 int align, u32 skip_mask, u32 *puid);
1480
1481 /* If <zones> was allocated with MLX4_ZONE_ALLOC_FLAGS_NO_OVERLAP, instead of
1482 * specifying the uid when freeing an object, zone allocator could figure it by
1483 * itself. Other parameters are similar to mlx4_zone_free.
1484 */
1485 u32 mlx4_zone_free_entries_unique(struct mlx4_zone_allocator *zones, u32 obj, u32 count);
1486
1487 /* Returns a pointer to mlx4_bitmap that was attached to <zones> with <uid> */
1488 struct mlx4_bitmap *mlx4_zone_get_bitmap(struct mlx4_zone_allocator *zones, u32 uid);
1489
1490 #endif /* MLX4_H */
1491