1 /*
2 * Copyright (c) 2006, 2007 Cisco Systems. All rights reserved.
3 * Copyright (c) 2007, 2008 Mellanox Technologies. All rights reserved.
4 *
5 * This software is available to you under a choice of one of two
6 * licenses. You may choose to be licensed under the terms of the GNU
7 * General Public License (GPL) Version 2, available from the file
8 * COPYING in the main directory of this source tree, or the
9 * OpenIB.org BSD license below:
10 *
11 * Redistribution and use in source and binary forms, with or
12 * without modification, are permitted provided that the following
13 * conditions are met:
14 *
15 * - Redistributions of source code must retain the above
16 * copyright notice, this list of conditions and the following
17 * disclaimer.
18 *
19 * - Redistributions in binary form must reproduce the above
20 * copyright notice, this list of conditions and the following
21 * disclaimer in the documentation and/or other materials
22 * provided with the distribution.
23 *
24 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
25 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
26 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
27 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
28 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
29 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
30 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
31 * SOFTWARE.
32 */
33
34 #ifndef MLX4_IB_H
35 #define MLX4_IB_H
36
37 #include <linux/compiler.h>
38 #include <linux/list.h>
39 #include <linux/mutex.h>
40 #include <linux/idr.h>
41
42 #include <rdma/ib_verbs.h>
43 #include <rdma/ib_umem.h>
44 #include <rdma/ib_mad.h>
45 #include <rdma/ib_sa.h>
46
47 #include <linux/mlx4/device.h>
48 #include <linux/mlx4/doorbell.h>
49 #include <linux/mlx4/qp.h>
50 #include <linux/mlx4/cq.h>
51
52 #define MLX4_IB_DRV_NAME "mlx4_ib"
53
54 #ifdef pr_fmt
55 #undef pr_fmt
56 #endif
57 #define pr_fmt(fmt) "<" MLX4_IB_DRV_NAME "> %s: " fmt, __func__
58
59 #define mlx4_ib_warn(ibdev, format, arg...) \
60 dev_warn((ibdev)->dev.parent, MLX4_IB_DRV_NAME ": " format, ## arg)
61
62 enum {
63 MLX4_IB_SQ_MIN_WQE_SHIFT = 6,
64 MLX4_IB_MAX_HEADROOM = 2048
65 };
66
67 #define MLX4_IB_SQ_HEADROOM(shift) ((MLX4_IB_MAX_HEADROOM >> (shift)) + 1)
68 #define MLX4_IB_SQ_MAX_SPARE (MLX4_IB_SQ_HEADROOM(MLX4_IB_SQ_MIN_WQE_SHIFT))
69
70 /*module param to indicate if SM assigns the alias_GUID*/
71 extern int mlx4_ib_sm_guid_assign;
72
73 #define MLX4_IB_UC_STEER_QPN_ALIGN 1
74 #define MLX4_IB_UC_MAX_NUM_QPS 256
75
76 enum hw_bar_type {
77 HW_BAR_BF,
78 HW_BAR_DB,
79 HW_BAR_CLOCK,
80 HW_BAR_COUNT
81 };
82
83 struct mlx4_ib_ucontext {
84 struct ib_ucontext ibucontext;
85 struct mlx4_uar uar;
86 struct list_head db_page_list;
87 struct mutex db_page_mutex;
88 struct list_head wqn_ranges_list;
89 struct mutex wqn_ranges_mutex; /* protect wqn_ranges_list */
90 };
91
92 struct mlx4_ib_pd {
93 struct ib_pd ibpd;
94 u32 pdn;
95 };
96
97 struct mlx4_ib_xrcd {
98 struct ib_xrcd ibxrcd;
99 u32 xrcdn;
100 struct ib_pd *pd;
101 struct ib_cq *cq;
102 };
103
104 struct mlx4_ib_cq_buf {
105 struct mlx4_buf buf;
106 struct mlx4_mtt mtt;
107 int entry_size;
108 };
109
110 struct mlx4_ib_cq_resize {
111 struct mlx4_ib_cq_buf buf;
112 int cqe;
113 };
114
115 struct mlx4_ib_cq {
116 struct ib_cq ibcq;
117 struct mlx4_cq mcq;
118 struct mlx4_ib_cq_buf buf;
119 struct mlx4_ib_cq_resize *resize_buf;
120 struct mlx4_db db;
121 spinlock_t lock;
122 struct mutex resize_mutex;
123 struct ib_umem *umem;
124 struct ib_umem *resize_umem;
125 int create_flags;
126 /* List of qps that it serves.*/
127 struct list_head send_qp_list;
128 struct list_head recv_qp_list;
129 };
130
131 #define MLX4_MR_PAGES_ALIGN 0x40
132
133 struct mlx4_ib_mr {
134 struct ib_mr ibmr;
135 __be64 *pages;
136 dma_addr_t page_map;
137 u32 npages;
138 u32 max_pages;
139 struct mlx4_mr mmr;
140 struct ib_umem *umem;
141 size_t page_map_size;
142 };
143
144 struct mlx4_ib_mw {
145 struct ib_mw ibmw;
146 struct mlx4_mw mmw;
147 };
148
149 #define MAX_REGS_PER_FLOW 2
150
151 struct mlx4_flow_reg_id {
152 u64 id;
153 u64 mirror;
154 };
155
156 struct mlx4_ib_flow {
157 struct ib_flow ibflow;
158 /* translating DMFS verbs sniffer rule to FW API requires two reg IDs */
159 struct mlx4_flow_reg_id reg_id[MAX_REGS_PER_FLOW];
160 };
161
162 struct mlx4_ib_wq {
163 u64 *wrid;
164 spinlock_t lock;
165 int wqe_cnt;
166 int max_post;
167 int max_gs;
168 int offset;
169 int wqe_shift;
170 unsigned head;
171 unsigned tail;
172 };
173
174 enum {
175 MLX4_IB_QP_CREATE_ROCE_V2_GSI = IB_QP_CREATE_RESERVED_START
176 };
177
178 enum mlx4_ib_qp_flags {
179 MLX4_IB_QP_LSO = IB_QP_CREATE_IPOIB_UD_LSO,
180 MLX4_IB_QP_BLOCK_MULTICAST_LOOPBACK = IB_QP_CREATE_BLOCK_MULTICAST_LOOPBACK,
181 MLX4_IB_QP_NETIF = IB_QP_CREATE_NETIF_QP,
182 MLX4_IB_QP_SCATTER_FCS = IB_QP_CREATE_SCATTER_FCS,
183
184 /* Mellanox specific flags start from IB_QP_CREATE_RESERVED_START */
185 MLX4_IB_ROCE_V2_GSI_QP = MLX4_IB_QP_CREATE_ROCE_V2_GSI,
186 MLX4_IB_SRIOV_TUNNEL_QP = 1 << 30,
187 MLX4_IB_SRIOV_SQP = 1 << 31,
188 };
189
190 struct mlx4_ib_gid_entry {
191 struct list_head list;
192 union ib_gid gid;
193 int added;
194 u8 port;
195 };
196
197 enum mlx4_ib_qp_type {
198 /*
199 * IB_QPT_SMI and IB_QPT_GSI have to be the first two entries
200 * here (and in that order) since the MAD layer uses them as
201 * indices into a 2-entry table.
202 */
203 MLX4_IB_QPT_SMI = IB_QPT_SMI,
204 MLX4_IB_QPT_GSI = IB_QPT_GSI,
205
206 MLX4_IB_QPT_RC = IB_QPT_RC,
207 MLX4_IB_QPT_UC = IB_QPT_UC,
208 MLX4_IB_QPT_UD = IB_QPT_UD,
209 MLX4_IB_QPT_RAW_IPV6 = IB_QPT_RAW_IPV6,
210 MLX4_IB_QPT_RAW_ETHERTYPE = IB_QPT_RAW_ETHERTYPE,
211 MLX4_IB_QPT_RAW_PACKET = IB_QPT_RAW_PACKET,
212 MLX4_IB_QPT_XRC_INI = IB_QPT_XRC_INI,
213 MLX4_IB_QPT_XRC_TGT = IB_QPT_XRC_TGT,
214
215 MLX4_IB_QPT_PROXY_SMI_OWNER = 1 << 16,
216 MLX4_IB_QPT_PROXY_SMI = 1 << 17,
217 MLX4_IB_QPT_PROXY_GSI = 1 << 18,
218 MLX4_IB_QPT_TUN_SMI_OWNER = 1 << 19,
219 MLX4_IB_QPT_TUN_SMI = 1 << 20,
220 MLX4_IB_QPT_TUN_GSI = 1 << 21,
221 };
222
223 #define MLX4_IB_QPT_ANY_SRIOV (MLX4_IB_QPT_PROXY_SMI_OWNER | \
224 MLX4_IB_QPT_PROXY_SMI | MLX4_IB_QPT_PROXY_GSI | MLX4_IB_QPT_TUN_SMI_OWNER | \
225 MLX4_IB_QPT_TUN_SMI | MLX4_IB_QPT_TUN_GSI)
226
227 enum mlx4_ib_mad_ifc_flags {
228 MLX4_MAD_IFC_IGNORE_MKEY = 1,
229 MLX4_MAD_IFC_IGNORE_BKEY = 2,
230 MLX4_MAD_IFC_IGNORE_KEYS = (MLX4_MAD_IFC_IGNORE_MKEY |
231 MLX4_MAD_IFC_IGNORE_BKEY),
232 MLX4_MAD_IFC_NET_VIEW = 4,
233 };
234
235 enum {
236 MLX4_NUM_TUNNEL_BUFS = 512,
237 MLX4_NUM_WIRE_BUFS = 2048,
238 };
239
240 struct mlx4_ib_tunnel_header {
241 struct mlx4_av av;
242 __be32 remote_qpn;
243 __be32 qkey;
244 __be16 vlan;
245 u8 mac[6];
246 __be16 pkey_index;
247 u8 reserved[6];
248 };
249
250 struct mlx4_ib_buf {
251 void *addr;
252 dma_addr_t map;
253 };
254
255 struct mlx4_rcv_tunnel_hdr {
256 __be32 flags_src_qp; /* flags[6:5] is defined for VLANs:
257 * 0x0 - no vlan was in the packet
258 * 0x01 - C-VLAN was in the packet */
259 u8 g_ml_path; /* gid bit stands for ipv6/4 header in RoCE */
260 u8 reserved;
261 __be16 pkey_index;
262 __be16 sl_vid;
263 __be16 slid_mac_47_32;
264 __be32 mac_31_0;
265 };
266
267 struct mlx4_ib_proxy_sqp_hdr {
268 struct ib_grh grh;
269 struct mlx4_rcv_tunnel_hdr tun;
270 } __packed;
271
272 struct mlx4_roce_smac_vlan_info {
273 u64 smac;
274 int smac_index;
275 int smac_port;
276 u64 candidate_smac;
277 int candidate_smac_index;
278 int candidate_smac_port;
279 u16 vid;
280 int vlan_index;
281 int vlan_port;
282 u16 candidate_vid;
283 int candidate_vlan_index;
284 int candidate_vlan_port;
285 int update_vid;
286 };
287
288 struct mlx4_wqn_range {
289 int base_wqn;
290 int size;
291 int refcount;
292 bool dirty;
293 struct list_head list;
294 };
295
296 struct mlx4_ib_rss {
297 unsigned int base_qpn_tbl_sz;
298 u8 flags;
299 u8 rss_key[MLX4_EN_RSS_KEY_SIZE];
300 };
301
302 enum {
303 /*
304 * Largest possible UD header: send with GRH and immediate
305 * data plus 18 bytes for an Ethernet header with VLAN/802.1Q
306 * tag. (LRH would only use 8 bytes, so Ethernet is the
307 * biggest case)
308 */
309 MLX4_IB_UD_HEADER_SIZE = 82,
310 MLX4_IB_LSO_HEADER_SPARE = 128,
311 };
312
313 struct mlx4_ib_sqp {
314 int pkey_index;
315 u32 qkey;
316 u32 send_psn;
317 struct ib_ud_header ud_header;
318 u8 header_buf[MLX4_IB_UD_HEADER_SIZE];
319 struct ib_qp *roce_v2_gsi;
320 };
321
322 struct mlx4_ib_qp {
323 union {
324 struct ib_qp ibqp;
325 struct ib_wq ibwq;
326 };
327 struct mlx4_qp mqp;
328 struct mlx4_buf buf;
329
330 struct mlx4_db db;
331 struct mlx4_ib_wq rq;
332
333 u32 doorbell_qpn;
334 __be32 sq_signal_bits;
335 unsigned sq_next_wqe;
336 int sq_spare_wqes;
337 struct mlx4_ib_wq sq;
338
339 enum mlx4_ib_qp_type mlx4_ib_qp_type;
340 struct ib_umem *umem;
341 struct mlx4_mtt mtt;
342 int buf_size;
343 struct mutex mutex;
344 u16 xrcdn;
345 u32 flags;
346 u8 port;
347 u8 alt_port;
348 u8 atomic_rd_en;
349 u8 resp_depth;
350 u8 sq_no_prefetch;
351 u8 state;
352 int mlx_type;
353 u32 inl_recv_sz;
354 struct list_head gid_list;
355 struct list_head steering_rules;
356 struct mlx4_ib_buf *sqp_proxy_rcv;
357 struct mlx4_roce_smac_vlan_info pri;
358 struct mlx4_roce_smac_vlan_info alt;
359 u64 reg_id;
360 struct list_head qps_list;
361 struct list_head cq_recv_list;
362 struct list_head cq_send_list;
363 struct counter_index *counter_index;
364 struct mlx4_wqn_range *wqn_range;
365 /* Number of RSS QP parents that uses this WQ */
366 u32 rss_usecnt;
367 union {
368 struct mlx4_ib_rss *rss_ctx;
369 struct mlx4_ib_sqp *sqp;
370 };
371 };
372
373 struct mlx4_ib_srq {
374 struct ib_srq ibsrq;
375 struct mlx4_srq msrq;
376 struct mlx4_buf buf;
377 struct mlx4_db db;
378 u64 *wrid;
379 spinlock_t lock;
380 int head;
381 int tail;
382 u16 wqe_ctr;
383 struct ib_umem *umem;
384 struct mlx4_mtt mtt;
385 struct mutex mutex;
386 };
387
388 struct mlx4_ib_ah {
389 struct ib_ah ibah;
390 union mlx4_ext_av av;
391 };
392
393 struct mlx4_ib_rwq_ind_table {
394 struct ib_rwq_ind_table ib_rwq_ind_tbl;
395 };
396
397 /****************************************/
398 /* alias guid support */
399 /****************************************/
400 #define NUM_PORT_ALIAS_GUID 2
401 #define NUM_ALIAS_GUID_IN_REC 8
402 #define NUM_ALIAS_GUID_REC_IN_PORT 16
403 #define GUID_REC_SIZE 8
404 #define NUM_ALIAS_GUID_PER_PORT 128
405 #define MLX4_NOT_SET_GUID (0x00LL)
406 #define MLX4_GUID_FOR_DELETE_VAL (~(0x00LL))
407
408 enum mlx4_guid_alias_rec_status {
409 MLX4_GUID_INFO_STATUS_IDLE,
410 MLX4_GUID_INFO_STATUS_SET,
411 };
412
413 #define GUID_STATE_NEED_PORT_INIT 0x01
414
415 enum mlx4_guid_alias_rec_method {
416 MLX4_GUID_INFO_RECORD_SET = IB_MGMT_METHOD_SET,
417 MLX4_GUID_INFO_RECORD_DELETE = IB_SA_METHOD_DELETE,
418 };
419
420 struct mlx4_sriov_alias_guid_info_rec_det {
421 u8 all_recs[GUID_REC_SIZE * NUM_ALIAS_GUID_IN_REC];
422 ib_sa_comp_mask guid_indexes; /*indicates what from the 8 records are valid*/
423 enum mlx4_guid_alias_rec_status status; /*indicates the administraively status of the record.*/
424 unsigned int guids_retry_schedule[NUM_ALIAS_GUID_IN_REC];
425 u64 time_to_run;
426 };
427
428 struct mlx4_sriov_alias_guid_port_rec_det {
429 struct mlx4_sriov_alias_guid_info_rec_det all_rec_per_port[NUM_ALIAS_GUID_REC_IN_PORT];
430 struct workqueue_struct *wq;
431 struct delayed_work alias_guid_work;
432 u8 port;
433 u32 state_flags;
434 struct mlx4_sriov_alias_guid *parent;
435 struct list_head cb_list;
436 };
437
438 struct mlx4_sriov_alias_guid {
439 struct mlx4_sriov_alias_guid_port_rec_det ports_guid[MLX4_MAX_PORTS];
440 spinlock_t ag_work_lock;
441 struct ib_sa_client *sa_client;
442 };
443
444 struct mlx4_ib_demux_work {
445 struct work_struct work;
446 struct mlx4_ib_dev *dev;
447 int slave;
448 int do_init;
449 u8 port;
450
451 };
452
453 struct mlx4_ib_tun_tx_buf {
454 struct mlx4_ib_buf buf;
455 struct ib_ah *ah;
456 };
457
458 struct mlx4_ib_demux_pv_qp {
459 struct ib_qp *qp;
460 enum ib_qp_type proxy_qpt;
461 struct mlx4_ib_buf *ring;
462 struct mlx4_ib_tun_tx_buf *tx_ring;
463 spinlock_t tx_lock;
464 unsigned tx_ix_head;
465 unsigned tx_ix_tail;
466 };
467
468 enum mlx4_ib_demux_pv_state {
469 DEMUX_PV_STATE_DOWN,
470 DEMUX_PV_STATE_STARTING,
471 DEMUX_PV_STATE_ACTIVE,
472 DEMUX_PV_STATE_DOWNING,
473 };
474
475 struct mlx4_ib_demux_pv_ctx {
476 int port;
477 int slave;
478 enum mlx4_ib_demux_pv_state state;
479 int has_smi;
480 struct ib_device *ib_dev;
481 struct ib_cq *cq;
482 struct ib_pd *pd;
483 struct work_struct work;
484 struct workqueue_struct *wq;
485 struct workqueue_struct *wi_wq;
486 struct mlx4_ib_demux_pv_qp qp[2];
487 };
488
489 struct mlx4_ib_demux_ctx {
490 struct ib_device *ib_dev;
491 int port;
492 struct workqueue_struct *wq;
493 struct workqueue_struct *wi_wq;
494 struct workqueue_struct *ud_wq;
495 spinlock_t ud_lock;
496 atomic64_t subnet_prefix;
497 __be64 guid_cache[128];
498 struct mlx4_ib_dev *dev;
499 /* the following lock protects both mcg_table and mcg_mgid0_list */
500 struct mutex mcg_table_lock;
501 struct rb_root mcg_table;
502 struct list_head mcg_mgid0_list;
503 struct workqueue_struct *mcg_wq;
504 struct mlx4_ib_demux_pv_ctx **tun;
505 atomic_t tid;
506 int flushing; /* flushing the work queue */
507 };
508
509 struct mlx4_ib_sriov {
510 struct mlx4_ib_demux_ctx demux[MLX4_MAX_PORTS];
511 struct mlx4_ib_demux_pv_ctx *sqps[MLX4_MAX_PORTS];
512 /* when using this spinlock you should use "irq" because
513 * it may be called from interrupt context.*/
514 spinlock_t going_down_lock;
515 int is_going_down;
516
517 struct mlx4_sriov_alias_guid alias_guid;
518
519 /* CM paravirtualization fields */
520 struct xarray pv_id_table;
521 u32 pv_id_next;
522 spinlock_t id_map_lock;
523 struct rb_root sl_id_map;
524 struct list_head cm_list;
525 struct xarray xa_rej_tmout;
526 };
527
528 struct gid_cache_context {
529 int real_index;
530 int refcount;
531 };
532
533 struct gid_entry {
534 union ib_gid gid;
535 enum ib_gid_type gid_type;
536 struct gid_cache_context *ctx;
537 u16 vlan_id;
538 };
539
540 struct mlx4_port_gid_table {
541 struct gid_entry gids[MLX4_MAX_PORT_GIDS];
542 };
543
544 struct mlx4_ib_iboe {
545 spinlock_t lock;
546 struct net_device *netdevs[MLX4_MAX_PORTS];
547 atomic64_t mac[MLX4_MAX_PORTS];
548 struct notifier_block nb;
549 struct mlx4_port_gid_table gids[MLX4_MAX_PORTS];
550 enum ib_port_state last_port_state[MLX4_MAX_PORTS];
551 };
552
553 struct pkey_mgt {
554 u8 virt2phys_pkey[MLX4_MFUNC_MAX][MLX4_MAX_PORTS][MLX4_MAX_PORT_PKEYS];
555 u16 phys_pkey_cache[MLX4_MAX_PORTS][MLX4_MAX_PORT_PKEYS];
556 struct list_head pkey_port_list[MLX4_MFUNC_MAX];
557 struct kobject *device_parent[MLX4_MFUNC_MAX];
558 };
559
560 struct mlx4_ib_iov_sysfs_attr {
561 void *ctx;
562 struct kobject *kobj;
563 unsigned long data;
564 u32 entry_num;
565 char name[15];
566 struct device_attribute dentry;
567 struct device *dev;
568 };
569
570 struct mlx4_ib_iov_sysfs_attr_ar {
571 struct mlx4_ib_iov_sysfs_attr dentries[3 * NUM_ALIAS_GUID_PER_PORT + 1];
572 };
573
574 struct mlx4_ib_iov_port {
575 char name[100];
576 u8 num;
577 struct mlx4_ib_dev *dev;
578 struct list_head list;
579 struct mlx4_ib_iov_sysfs_attr_ar *dentr_ar;
580 struct ib_port_attr attr;
581 struct kobject *cur_port;
582 struct kobject *admin_alias_parent;
583 struct kobject *gids_parent;
584 struct kobject *pkeys_parent;
585 struct kobject *mcgs_parent;
586 struct mlx4_ib_iov_sysfs_attr mcg_dentry;
587 };
588
589 struct counter_index {
590 struct list_head list;
591 u32 index;
592 u8 allocated;
593 };
594
595 struct mlx4_ib_counters {
596 struct list_head counters_list;
597 struct mutex mutex; /* mutex for accessing counters list */
598 u32 default_counter;
599 };
600
601 #define MLX4_DIAG_COUNTERS_TYPES 2
602
603 struct mlx4_ib_diag_counters {
604 const char **name;
605 u32 *offset;
606 u32 num_counters;
607 };
608
609 struct mlx4_ib_dev {
610 struct ib_device ib_dev;
611 struct mlx4_dev *dev;
612 int num_ports;
613 void __iomem *uar_map;
614
615 struct mlx4_uar priv_uar;
616 u32 priv_pdn;
617 MLX4_DECLARE_DOORBELL_LOCK(uar_lock);
618
619 struct ib_mad_agent *send_agent[MLX4_MAX_PORTS][2];
620 struct ib_ah *sm_ah[MLX4_MAX_PORTS];
621 spinlock_t sm_lock;
622 atomic64_t sl2vl[MLX4_MAX_PORTS];
623 struct mlx4_ib_sriov sriov;
624
625 struct mutex cap_mask_mutex;
626 bool ib_active;
627 struct mlx4_ib_iboe iboe;
628 struct mlx4_ib_counters counters_table[MLX4_MAX_PORTS];
629 int *eq_table;
630 struct kobject *iov_parent;
631 struct kobject *ports_parent;
632 struct kobject *dev_ports_parent[MLX4_MFUNC_MAX];
633 struct mlx4_ib_iov_port iov_ports[MLX4_MAX_PORTS];
634 struct pkey_mgt pkeys;
635 unsigned long *ib_uc_qpns_bitmap;
636 int steer_qpn_count;
637 int steer_qpn_base;
638 int steering_support;
639 struct mlx4_ib_qp *qp1_proxy[MLX4_MAX_PORTS];
640 /* lock when destroying qp1_proxy and getting netdev events */
641 struct mutex qp1_proxy_lock[MLX4_MAX_PORTS];
642 u8 bond_next_port;
643 /* protect resources needed as part of reset flow */
644 spinlock_t reset_flow_resource_lock;
645 struct list_head qp_list;
646 struct mlx4_ib_diag_counters diag_counters[MLX4_DIAG_COUNTERS_TYPES];
647 };
648
649 struct ib_event_work {
650 struct work_struct work;
651 struct mlx4_ib_dev *ib_dev;
652 struct mlx4_eqe ib_eqe;
653 int port;
654 };
655
656 struct mlx4_ib_qp_tunnel_init_attr {
657 struct ib_qp_init_attr init_attr;
658 int slave;
659 enum ib_qp_type proxy_qp_type;
660 u8 port;
661 };
662
663 struct mlx4_uverbs_ex_query_device {
664 __u32 comp_mask;
665 __u32 reserved;
666 };
667
to_mdev(struct ib_device * ibdev)668 static inline struct mlx4_ib_dev *to_mdev(struct ib_device *ibdev)
669 {
670 return container_of(ibdev, struct mlx4_ib_dev, ib_dev);
671 }
672
to_mucontext(struct ib_ucontext * ibucontext)673 static inline struct mlx4_ib_ucontext *to_mucontext(struct ib_ucontext *ibucontext)
674 {
675 return container_of(ibucontext, struct mlx4_ib_ucontext, ibucontext);
676 }
677
to_mpd(struct ib_pd * ibpd)678 static inline struct mlx4_ib_pd *to_mpd(struct ib_pd *ibpd)
679 {
680 return container_of(ibpd, struct mlx4_ib_pd, ibpd);
681 }
682
to_mxrcd(struct ib_xrcd * ibxrcd)683 static inline struct mlx4_ib_xrcd *to_mxrcd(struct ib_xrcd *ibxrcd)
684 {
685 return container_of(ibxrcd, struct mlx4_ib_xrcd, ibxrcd);
686 }
687
to_mcq(struct ib_cq * ibcq)688 static inline struct mlx4_ib_cq *to_mcq(struct ib_cq *ibcq)
689 {
690 return container_of(ibcq, struct mlx4_ib_cq, ibcq);
691 }
692
to_mibcq(struct mlx4_cq * mcq)693 static inline struct mlx4_ib_cq *to_mibcq(struct mlx4_cq *mcq)
694 {
695 return container_of(mcq, struct mlx4_ib_cq, mcq);
696 }
697
to_mmr(struct ib_mr * ibmr)698 static inline struct mlx4_ib_mr *to_mmr(struct ib_mr *ibmr)
699 {
700 return container_of(ibmr, struct mlx4_ib_mr, ibmr);
701 }
702
to_mmw(struct ib_mw * ibmw)703 static inline struct mlx4_ib_mw *to_mmw(struct ib_mw *ibmw)
704 {
705 return container_of(ibmw, struct mlx4_ib_mw, ibmw);
706 }
707
to_mflow(struct ib_flow * ibflow)708 static inline struct mlx4_ib_flow *to_mflow(struct ib_flow *ibflow)
709 {
710 return container_of(ibflow, struct mlx4_ib_flow, ibflow);
711 }
712
to_mqp(struct ib_qp * ibqp)713 static inline struct mlx4_ib_qp *to_mqp(struct ib_qp *ibqp)
714 {
715 return container_of(ibqp, struct mlx4_ib_qp, ibqp);
716 }
717
to_mibqp(struct mlx4_qp * mqp)718 static inline struct mlx4_ib_qp *to_mibqp(struct mlx4_qp *mqp)
719 {
720 return container_of(mqp, struct mlx4_ib_qp, mqp);
721 }
722
to_msrq(struct ib_srq * ibsrq)723 static inline struct mlx4_ib_srq *to_msrq(struct ib_srq *ibsrq)
724 {
725 return container_of(ibsrq, struct mlx4_ib_srq, ibsrq);
726 }
727
to_mibsrq(struct mlx4_srq * msrq)728 static inline struct mlx4_ib_srq *to_mibsrq(struct mlx4_srq *msrq)
729 {
730 return container_of(msrq, struct mlx4_ib_srq, msrq);
731 }
732
to_mah(struct ib_ah * ibah)733 static inline struct mlx4_ib_ah *to_mah(struct ib_ah *ibah)
734 {
735 return container_of(ibah, struct mlx4_ib_ah, ibah);
736 }
737
mlx4_ib_bond_next_port(struct mlx4_ib_dev * dev)738 static inline u8 mlx4_ib_bond_next_port(struct mlx4_ib_dev *dev)
739 {
740 dev->bond_next_port = (dev->bond_next_port + 1) % dev->num_ports;
741
742 return dev->bond_next_port + 1;
743 }
744
745 int mlx4_ib_init_sriov(struct mlx4_ib_dev *dev);
746 void mlx4_ib_close_sriov(struct mlx4_ib_dev *dev);
747
748 int mlx4_ib_db_map_user(struct ib_udata *udata, unsigned long virt,
749 struct mlx4_db *db);
750 void mlx4_ib_db_unmap_user(struct mlx4_ib_ucontext *context, struct mlx4_db *db);
751
752 struct ib_mr *mlx4_ib_get_dma_mr(struct ib_pd *pd, int acc);
753 int mlx4_ib_umem_write_mtt(struct mlx4_ib_dev *dev, struct mlx4_mtt *mtt,
754 struct ib_umem *umem);
755 struct ib_mr *mlx4_ib_reg_user_mr(struct ib_pd *pd, u64 start, u64 length,
756 u64 virt_addr, int access_flags,
757 struct ib_udata *udata);
758 int mlx4_ib_dereg_mr(struct ib_mr *mr, struct ib_udata *udata);
759 int mlx4_ib_alloc_mw(struct ib_mw *mw, struct ib_udata *udata);
760 int mlx4_ib_dealloc_mw(struct ib_mw *mw);
761 struct ib_mr *mlx4_ib_alloc_mr(struct ib_pd *pd, enum ib_mr_type mr_type,
762 u32 max_num_sg);
763 int mlx4_ib_map_mr_sg(struct ib_mr *ibmr, struct scatterlist *sg, int sg_nents,
764 unsigned int *sg_offset);
765 int mlx4_ib_modify_cq(struct ib_cq *cq, u16 cq_count, u16 cq_period);
766 int mlx4_ib_resize_cq(struct ib_cq *ibcq, int entries, struct ib_udata *udata);
767 int mlx4_ib_create_cq(struct ib_cq *ibcq, const struct ib_cq_init_attr *attr,
768 struct ib_udata *udata);
769 int mlx4_ib_destroy_cq(struct ib_cq *cq, struct ib_udata *udata);
770 int mlx4_ib_poll_cq(struct ib_cq *ibcq, int num_entries, struct ib_wc *wc);
771 int mlx4_ib_arm_cq(struct ib_cq *cq, enum ib_cq_notify_flags flags);
772 void __mlx4_ib_cq_clean(struct mlx4_ib_cq *cq, u32 qpn, struct mlx4_ib_srq *srq);
773 void mlx4_ib_cq_clean(struct mlx4_ib_cq *cq, u32 qpn, struct mlx4_ib_srq *srq);
774
775 int mlx4_ib_create_ah(struct ib_ah *ah, struct rdma_ah_init_attr *init_attr,
776 struct ib_udata *udata);
777 int mlx4_ib_create_ah_slave(struct ib_ah *ah, struct rdma_ah_attr *ah_attr,
778 int slave_sgid_index, u8 *s_mac, u16 vlan_tag);
779 int mlx4_ib_query_ah(struct ib_ah *ibah, struct rdma_ah_attr *ah_attr);
mlx4_ib_destroy_ah(struct ib_ah * ah,u32 flags)780 static inline int mlx4_ib_destroy_ah(struct ib_ah *ah, u32 flags)
781 {
782 return 0;
783 }
784
785 int mlx4_ib_create_srq(struct ib_srq *srq, struct ib_srq_init_attr *init_attr,
786 struct ib_udata *udata);
787 int mlx4_ib_modify_srq(struct ib_srq *ibsrq, struct ib_srq_attr *attr,
788 enum ib_srq_attr_mask attr_mask, struct ib_udata *udata);
789 int mlx4_ib_query_srq(struct ib_srq *srq, struct ib_srq_attr *srq_attr);
790 int mlx4_ib_destroy_srq(struct ib_srq *srq, struct ib_udata *udata);
791 void mlx4_ib_free_srq_wqe(struct mlx4_ib_srq *srq, int wqe_index);
792 int mlx4_ib_post_srq_recv(struct ib_srq *ibsrq, const struct ib_recv_wr *wr,
793 const struct ib_recv_wr **bad_wr);
794
795 struct ib_qp *mlx4_ib_create_qp(struct ib_pd *pd,
796 struct ib_qp_init_attr *init_attr,
797 struct ib_udata *udata);
798 int mlx4_ib_destroy_qp(struct ib_qp *qp, struct ib_udata *udata);
799 void mlx4_ib_drain_sq(struct ib_qp *qp);
800 void mlx4_ib_drain_rq(struct ib_qp *qp);
801 int mlx4_ib_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr,
802 int attr_mask, struct ib_udata *udata);
803 int mlx4_ib_query_qp(struct ib_qp *ibqp, struct ib_qp_attr *qp_attr, int qp_attr_mask,
804 struct ib_qp_init_attr *qp_init_attr);
805 int mlx4_ib_post_send(struct ib_qp *ibqp, const struct ib_send_wr *wr,
806 const struct ib_send_wr **bad_wr);
807 int mlx4_ib_post_recv(struct ib_qp *ibqp, const struct ib_recv_wr *wr,
808 const struct ib_recv_wr **bad_wr);
809
810 int mlx4_MAD_IFC(struct mlx4_ib_dev *dev, int mad_ifc_flags,
811 int port, const struct ib_wc *in_wc, const struct ib_grh *in_grh,
812 const void *in_mad, void *response_mad);
813 int mlx4_ib_process_mad(struct ib_device *ibdev, int mad_flags, u8 port_num,
814 const struct ib_wc *in_wc, const struct ib_grh *in_grh,
815 const struct ib_mad *in, struct ib_mad *out,
816 size_t *out_mad_size, u16 *out_mad_pkey_index);
817 int mlx4_ib_mad_init(struct mlx4_ib_dev *dev);
818 void mlx4_ib_mad_cleanup(struct mlx4_ib_dev *dev);
819
820 int __mlx4_ib_query_port(struct ib_device *ibdev, u8 port,
821 struct ib_port_attr *props, int netw_view);
822 int __mlx4_ib_query_pkey(struct ib_device *ibdev, u8 port, u16 index,
823 u16 *pkey, int netw_view);
824
825 int __mlx4_ib_query_gid(struct ib_device *ibdev, u8 port, int index,
826 union ib_gid *gid, int netw_view);
827
mlx4_ib_ah_grh_present(struct mlx4_ib_ah * ah)828 static inline bool mlx4_ib_ah_grh_present(struct mlx4_ib_ah *ah)
829 {
830 u8 port = be32_to_cpu(ah->av.ib.port_pd) >> 24 & 3;
831
832 if (rdma_port_get_link_layer(ah->ibah.device, port) == IB_LINK_LAYER_ETHERNET)
833 return true;
834
835 return !!(ah->av.ib.g_slid & 0x80);
836 }
837
838 int mlx4_ib_mcg_port_init(struct mlx4_ib_demux_ctx *ctx);
839 void mlx4_ib_mcg_port_cleanup(struct mlx4_ib_demux_ctx *ctx, int destroy_wq);
840 void clean_vf_mcast(struct mlx4_ib_demux_ctx *ctx, int slave);
841 int mlx4_ib_mcg_init(void);
842 void mlx4_ib_mcg_destroy(void);
843
844 int mlx4_ib_find_real_gid(struct ib_device *ibdev, u8 port, __be64 guid);
845
846 int mlx4_ib_mcg_multiplex_handler(struct ib_device *ibdev, int port, int slave,
847 struct ib_sa_mad *sa_mad);
848 int mlx4_ib_mcg_demux_handler(struct ib_device *ibdev, int port, int slave,
849 struct ib_sa_mad *mad);
850
851 int mlx4_ib_add_mc(struct mlx4_ib_dev *mdev, struct mlx4_ib_qp *mqp,
852 union ib_gid *gid);
853
854 void mlx4_ib_dispatch_event(struct mlx4_ib_dev *dev, u8 port_num,
855 enum ib_event_type type);
856
857 void mlx4_ib_tunnels_update_work(struct work_struct *work);
858
859 int mlx4_ib_send_to_slave(struct mlx4_ib_dev *dev, int slave, u8 port,
860 enum ib_qp_type qpt, struct ib_wc *wc,
861 struct ib_grh *grh, struct ib_mad *mad);
862
863 int mlx4_ib_send_to_wire(struct mlx4_ib_dev *dev, int slave, u8 port,
864 enum ib_qp_type dest_qpt, u16 pkey_index, u32 remote_qpn,
865 u32 qkey, struct rdma_ah_attr *attr, u8 *s_mac,
866 u16 vlan_id, struct ib_mad *mad);
867
868 __be64 mlx4_ib_get_new_demux_tid(struct mlx4_ib_demux_ctx *ctx);
869
870 int mlx4_ib_demux_cm_handler(struct ib_device *ibdev, int port, int *slave,
871 struct ib_mad *mad);
872
873 int mlx4_ib_multiplex_cm_handler(struct ib_device *ibdev, int port, int slave_id,
874 struct ib_mad *mad);
875
876 void mlx4_ib_cm_paravirt_init(struct mlx4_ib_dev *dev);
877 void mlx4_ib_cm_paravirt_clean(struct mlx4_ib_dev *dev, int slave_id);
878
879 /* alias guid support */
880 void mlx4_ib_init_alias_guid_work(struct mlx4_ib_dev *dev, int port);
881 int mlx4_ib_init_alias_guid_service(struct mlx4_ib_dev *dev);
882 void mlx4_ib_destroy_alias_guid_service(struct mlx4_ib_dev *dev);
883 void mlx4_ib_invalidate_all_guid_record(struct mlx4_ib_dev *dev, int port);
884
885 void mlx4_ib_notify_slaves_on_guid_change(struct mlx4_ib_dev *dev,
886 int block_num,
887 u8 port_num, u8 *p_data);
888
889 void mlx4_ib_update_cache_on_guid_change(struct mlx4_ib_dev *dev,
890 int block_num, u8 port_num,
891 u8 *p_data);
892
893 int add_sysfs_port_mcg_attr(struct mlx4_ib_dev *device, int port_num,
894 struct attribute *attr);
895 void del_sysfs_port_mcg_attr(struct mlx4_ib_dev *device, int port_num,
896 struct attribute *attr);
897 ib_sa_comp_mask mlx4_ib_get_aguid_comp_mask_from_ix(int index);
898 void mlx4_ib_slave_alias_guid_event(struct mlx4_ib_dev *dev, int slave,
899 int port, int slave_init);
900
901 int mlx4_ib_device_register_sysfs(struct mlx4_ib_dev *device) ;
902
903 void mlx4_ib_device_unregister_sysfs(struct mlx4_ib_dev *device);
904
905 __be64 mlx4_ib_gen_node_guid(void);
906
907 int mlx4_ib_steer_qp_alloc(struct mlx4_ib_dev *dev, int count, int *qpn);
908 void mlx4_ib_steer_qp_free(struct mlx4_ib_dev *dev, u32 qpn, int count);
909 int mlx4_ib_steer_qp_reg(struct mlx4_ib_dev *mdev, struct mlx4_ib_qp *mqp,
910 int is_attach);
911 int mlx4_ib_rereg_user_mr(struct ib_mr *mr, int flags,
912 u64 start, u64 length, u64 virt_addr,
913 int mr_access_flags, struct ib_pd *pd,
914 struct ib_udata *udata);
915 int mlx4_ib_gid_index_to_real_index(struct mlx4_ib_dev *ibdev,
916 const struct ib_gid_attr *attr);
917
918 void mlx4_sched_ib_sl2vl_update_work(struct mlx4_ib_dev *ibdev,
919 int port);
920
921 void mlx4_ib_sl2vl_update(struct mlx4_ib_dev *mdev, int port);
922
923 struct ib_wq *mlx4_ib_create_wq(struct ib_pd *pd,
924 struct ib_wq_init_attr *init_attr,
925 struct ib_udata *udata);
926 int mlx4_ib_destroy_wq(struct ib_wq *wq, struct ib_udata *udata);
927 int mlx4_ib_modify_wq(struct ib_wq *wq, struct ib_wq_attr *wq_attr,
928 u32 wq_attr_mask, struct ib_udata *udata);
929
930 int mlx4_ib_create_rwq_ind_table(struct ib_rwq_ind_table *ib_rwq_ind_tbl,
931 struct ib_rwq_ind_table_init_attr *init_attr,
932 struct ib_udata *udata);
933 static inline int
mlx4_ib_destroy_rwq_ind_table(struct ib_rwq_ind_table * wq_ind_table)934 mlx4_ib_destroy_rwq_ind_table(struct ib_rwq_ind_table *wq_ind_table)
935 {
936 return 0;
937 }
938 int mlx4_ib_umem_calc_optimal_mtt_size(struct ib_umem *umem, u64 start_va,
939 int *num_of_mtts);
940
941 #endif /* MLX4_IB_H */
942