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
51 #define MLX4_IB_DRV_NAME "mlx4_ib"
52
53 #ifdef pr_fmt
54 #undef pr_fmt
55 #endif
56 #define pr_fmt(fmt) "<" MLX4_IB_DRV_NAME "> %s: " fmt, __func__
57
58 #define mlx4_ib_warn(ibdev, format, arg...) \
59 dev_warn((ibdev)->dev.parent, MLX4_IB_DRV_NAME ": " format, ## arg)
60
61 enum {
62 MLX4_IB_SQ_MIN_WQE_SHIFT = 6,
63 MLX4_IB_MAX_HEADROOM = 2048
64 };
65
66 #define MLX4_IB_SQ_HEADROOM(shift) ((MLX4_IB_MAX_HEADROOM >> (shift)) + 1)
67 #define MLX4_IB_SQ_MAX_SPARE (MLX4_IB_SQ_HEADROOM(MLX4_IB_SQ_MIN_WQE_SHIFT))
68
69 /*module param to indicate if SM assigns the alias_GUID*/
70 extern int mlx4_ib_sm_guid_assign;
71
72 #define MLX4_IB_UC_STEER_QPN_ALIGN 1
73 #define MLX4_IB_UC_MAX_NUM_QPS 256
74
75 enum hw_bar_type {
76 HW_BAR_BF,
77 HW_BAR_DB,
78 HW_BAR_CLOCK,
79 HW_BAR_COUNT
80 };
81
82 struct mlx4_ib_vma_private_data {
83 struct vm_area_struct *vma;
84 };
85
86 struct mlx4_ib_ucontext {
87 struct ib_ucontext ibucontext;
88 struct mlx4_uar uar;
89 struct list_head db_page_list;
90 struct mutex db_page_mutex;
91 struct mlx4_ib_vma_private_data hw_bar_info[HW_BAR_COUNT];
92 struct list_head wqn_ranges_list;
93 struct mutex wqn_ranges_mutex; /* protect wqn_ranges_list */
94 };
95
96 struct mlx4_ib_pd {
97 struct ib_pd ibpd;
98 u32 pdn;
99 };
100
101 struct mlx4_ib_xrcd {
102 struct ib_xrcd ibxrcd;
103 u32 xrcdn;
104 struct ib_pd *pd;
105 struct ib_cq *cq;
106 };
107
108 struct mlx4_ib_cq_buf {
109 struct mlx4_buf buf;
110 struct mlx4_mtt mtt;
111 int entry_size;
112 };
113
114 struct mlx4_ib_cq_resize {
115 struct mlx4_ib_cq_buf buf;
116 int cqe;
117 };
118
119 struct mlx4_ib_cq {
120 struct ib_cq ibcq;
121 struct mlx4_cq mcq;
122 struct mlx4_ib_cq_buf buf;
123 struct mlx4_ib_cq_resize *resize_buf;
124 struct mlx4_db db;
125 spinlock_t lock;
126 struct mutex resize_mutex;
127 struct ib_umem *umem;
128 struct ib_umem *resize_umem;
129 int create_flags;
130 /* List of qps that it serves.*/
131 struct list_head send_qp_list;
132 struct list_head recv_qp_list;
133 };
134
135 #define MLX4_MR_PAGES_ALIGN 0x40
136
137 struct mlx4_ib_mr {
138 struct ib_mr ibmr;
139 __be64 *pages;
140 dma_addr_t page_map;
141 u32 npages;
142 u32 max_pages;
143 struct mlx4_mr mmr;
144 struct ib_umem *umem;
145 size_t page_map_size;
146 };
147
148 struct mlx4_ib_mw {
149 struct ib_mw ibmw;
150 struct mlx4_mw mmw;
151 };
152
153 struct mlx4_ib_fmr {
154 struct ib_fmr ibfmr;
155 struct mlx4_fmr mfmr;
156 };
157
158 #define MAX_REGS_PER_FLOW 2
159
160 struct mlx4_flow_reg_id {
161 u64 id;
162 u64 mirror;
163 };
164
165 struct mlx4_ib_flow {
166 struct ib_flow ibflow;
167 /* translating DMFS verbs sniffer rule to FW API requires two reg IDs */
168 struct mlx4_flow_reg_id reg_id[MAX_REGS_PER_FLOW];
169 };
170
171 struct mlx4_ib_wq {
172 u64 *wrid;
173 spinlock_t lock;
174 int wqe_cnt;
175 int max_post;
176 int max_gs;
177 int offset;
178 int wqe_shift;
179 unsigned head;
180 unsigned tail;
181 };
182
183 enum {
184 MLX4_IB_QP_CREATE_ROCE_V2_GSI = IB_QP_CREATE_RESERVED_START
185 };
186
187 enum mlx4_ib_qp_flags {
188 MLX4_IB_QP_LSO = IB_QP_CREATE_IPOIB_UD_LSO,
189 MLX4_IB_QP_BLOCK_MULTICAST_LOOPBACK = IB_QP_CREATE_BLOCK_MULTICAST_LOOPBACK,
190 MLX4_IB_QP_NETIF = IB_QP_CREATE_NETIF_QP,
191
192 /* Mellanox specific flags start from IB_QP_CREATE_RESERVED_START */
193 MLX4_IB_ROCE_V2_GSI_QP = MLX4_IB_QP_CREATE_ROCE_V2_GSI,
194 MLX4_IB_SRIOV_TUNNEL_QP = 1 << 30,
195 MLX4_IB_SRIOV_SQP = 1 << 31,
196 };
197
198 struct mlx4_ib_gid_entry {
199 struct list_head list;
200 union ib_gid gid;
201 int added;
202 u8 port;
203 };
204
205 enum mlx4_ib_qp_type {
206 /*
207 * IB_QPT_SMI and IB_QPT_GSI have to be the first two entries
208 * here (and in that order) since the MAD layer uses them as
209 * indices into a 2-entry table.
210 */
211 MLX4_IB_QPT_SMI = IB_QPT_SMI,
212 MLX4_IB_QPT_GSI = IB_QPT_GSI,
213
214 MLX4_IB_QPT_RC = IB_QPT_RC,
215 MLX4_IB_QPT_UC = IB_QPT_UC,
216 MLX4_IB_QPT_UD = IB_QPT_UD,
217 MLX4_IB_QPT_RAW_IPV6 = IB_QPT_RAW_IPV6,
218 MLX4_IB_QPT_RAW_ETHERTYPE = IB_QPT_RAW_ETHERTYPE,
219 MLX4_IB_QPT_RAW_PACKET = IB_QPT_RAW_PACKET,
220 MLX4_IB_QPT_XRC_INI = IB_QPT_XRC_INI,
221 MLX4_IB_QPT_XRC_TGT = IB_QPT_XRC_TGT,
222
223 MLX4_IB_QPT_PROXY_SMI_OWNER = 1 << 16,
224 MLX4_IB_QPT_PROXY_SMI = 1 << 17,
225 MLX4_IB_QPT_PROXY_GSI = 1 << 18,
226 MLX4_IB_QPT_TUN_SMI_OWNER = 1 << 19,
227 MLX4_IB_QPT_TUN_SMI = 1 << 20,
228 MLX4_IB_QPT_TUN_GSI = 1 << 21,
229 };
230
231 #define MLX4_IB_QPT_ANY_SRIOV (MLX4_IB_QPT_PROXY_SMI_OWNER | \
232 MLX4_IB_QPT_PROXY_SMI | MLX4_IB_QPT_PROXY_GSI | MLX4_IB_QPT_TUN_SMI_OWNER | \
233 MLX4_IB_QPT_TUN_SMI | MLX4_IB_QPT_TUN_GSI)
234
235 enum mlx4_ib_mad_ifc_flags {
236 MLX4_MAD_IFC_IGNORE_MKEY = 1,
237 MLX4_MAD_IFC_IGNORE_BKEY = 2,
238 MLX4_MAD_IFC_IGNORE_KEYS = (MLX4_MAD_IFC_IGNORE_MKEY |
239 MLX4_MAD_IFC_IGNORE_BKEY),
240 MLX4_MAD_IFC_NET_VIEW = 4,
241 };
242
243 enum {
244 MLX4_NUM_TUNNEL_BUFS = 256,
245 };
246
247 struct mlx4_ib_tunnel_header {
248 struct mlx4_av av;
249 __be32 remote_qpn;
250 __be32 qkey;
251 __be16 vlan;
252 u8 mac[6];
253 __be16 pkey_index;
254 u8 reserved[6];
255 };
256
257 struct mlx4_ib_buf {
258 void *addr;
259 dma_addr_t map;
260 };
261
262 struct mlx4_rcv_tunnel_hdr {
263 __be32 flags_src_qp; /* flags[6:5] is defined for VLANs:
264 * 0x0 - no vlan was in the packet
265 * 0x01 - C-VLAN was in the packet */
266 u8 g_ml_path; /* gid bit stands for ipv6/4 header in RoCE */
267 u8 reserved;
268 __be16 pkey_index;
269 __be16 sl_vid;
270 __be16 slid_mac_47_32;
271 __be32 mac_31_0;
272 };
273
274 struct mlx4_ib_proxy_sqp_hdr {
275 struct ib_grh grh;
276 struct mlx4_rcv_tunnel_hdr tun;
277 } __packed;
278
279 struct mlx4_roce_smac_vlan_info {
280 u64 smac;
281 int smac_index;
282 int smac_port;
283 u64 candidate_smac;
284 int candidate_smac_index;
285 int candidate_smac_port;
286 u16 vid;
287 int vlan_index;
288 int vlan_port;
289 u16 candidate_vid;
290 int candidate_vlan_index;
291 int candidate_vlan_port;
292 int update_vid;
293 };
294
295 struct mlx4_wqn_range {
296 int base_wqn;
297 int size;
298 int refcount;
299 bool dirty;
300 struct list_head list;
301 };
302
303 struct mlx4_ib_rss {
304 unsigned int base_qpn_tbl_sz;
305 u8 flags;
306 u8 rss_key[MLX4_EN_RSS_KEY_SIZE];
307 };
308
309 struct mlx4_ib_qp {
310 union {
311 struct ib_qp ibqp;
312 struct ib_wq ibwq;
313 };
314 struct mlx4_qp mqp;
315 struct mlx4_buf buf;
316
317 struct mlx4_db db;
318 struct mlx4_ib_wq rq;
319
320 u32 doorbell_qpn;
321 __be32 sq_signal_bits;
322 unsigned sq_next_wqe;
323 int sq_max_wqes_per_wr;
324 int sq_spare_wqes;
325 struct mlx4_ib_wq sq;
326
327 enum mlx4_ib_qp_type mlx4_ib_qp_type;
328 struct ib_umem *umem;
329 struct mlx4_mtt mtt;
330 int buf_size;
331 struct mutex mutex;
332 u16 xrcdn;
333 u32 flags;
334 u8 port;
335 u8 alt_port;
336 u8 atomic_rd_en;
337 u8 resp_depth;
338 u8 sq_no_prefetch;
339 u8 state;
340 int mlx_type;
341 u32 inl_recv_sz;
342 struct list_head gid_list;
343 struct list_head steering_rules;
344 struct mlx4_ib_buf *sqp_proxy_rcv;
345 struct mlx4_roce_smac_vlan_info pri;
346 struct mlx4_roce_smac_vlan_info alt;
347 u64 reg_id;
348 struct list_head qps_list;
349 struct list_head cq_recv_list;
350 struct list_head cq_send_list;
351 struct counter_index *counter_index;
352 struct mlx4_wqn_range *wqn_range;
353 /* Number of RSS QP parents that uses this WQ */
354 u32 rss_usecnt;
355 struct mlx4_ib_rss *rss_ctx;
356 };
357
358 struct mlx4_ib_srq {
359 struct ib_srq ibsrq;
360 struct mlx4_srq msrq;
361 struct mlx4_buf buf;
362 struct mlx4_db db;
363 u64 *wrid;
364 spinlock_t lock;
365 int head;
366 int tail;
367 u16 wqe_ctr;
368 struct ib_umem *umem;
369 struct mlx4_mtt mtt;
370 struct mutex mutex;
371 };
372
373 struct mlx4_ib_ah {
374 struct ib_ah ibah;
375 union mlx4_ext_av av;
376 };
377
378 /****************************************/
379 /* alias guid support */
380 /****************************************/
381 #define NUM_PORT_ALIAS_GUID 2
382 #define NUM_ALIAS_GUID_IN_REC 8
383 #define NUM_ALIAS_GUID_REC_IN_PORT 16
384 #define GUID_REC_SIZE 8
385 #define NUM_ALIAS_GUID_PER_PORT 128
386 #define MLX4_NOT_SET_GUID (0x00LL)
387 #define MLX4_GUID_FOR_DELETE_VAL (~(0x00LL))
388
389 enum mlx4_guid_alias_rec_status {
390 MLX4_GUID_INFO_STATUS_IDLE,
391 MLX4_GUID_INFO_STATUS_SET,
392 };
393
394 #define GUID_STATE_NEED_PORT_INIT 0x01
395
396 enum mlx4_guid_alias_rec_method {
397 MLX4_GUID_INFO_RECORD_SET = IB_MGMT_METHOD_SET,
398 MLX4_GUID_INFO_RECORD_DELETE = IB_SA_METHOD_DELETE,
399 };
400
401 struct mlx4_sriov_alias_guid_info_rec_det {
402 u8 all_recs[GUID_REC_SIZE * NUM_ALIAS_GUID_IN_REC];
403 ib_sa_comp_mask guid_indexes; /*indicates what from the 8 records are valid*/
404 enum mlx4_guid_alias_rec_status status; /*indicates the administraively status of the record.*/
405 unsigned int guids_retry_schedule[NUM_ALIAS_GUID_IN_REC];
406 u64 time_to_run;
407 };
408
409 struct mlx4_sriov_alias_guid_port_rec_det {
410 struct mlx4_sriov_alias_guid_info_rec_det all_rec_per_port[NUM_ALIAS_GUID_REC_IN_PORT];
411 struct workqueue_struct *wq;
412 struct delayed_work alias_guid_work;
413 u8 port;
414 u32 state_flags;
415 struct mlx4_sriov_alias_guid *parent;
416 struct list_head cb_list;
417 };
418
419 struct mlx4_sriov_alias_guid {
420 struct mlx4_sriov_alias_guid_port_rec_det ports_guid[MLX4_MAX_PORTS];
421 spinlock_t ag_work_lock;
422 struct ib_sa_client *sa_client;
423 };
424
425 struct mlx4_ib_demux_work {
426 struct work_struct work;
427 struct mlx4_ib_dev *dev;
428 int slave;
429 int do_init;
430 u8 port;
431
432 };
433
434 struct mlx4_ib_tun_tx_buf {
435 struct mlx4_ib_buf buf;
436 struct ib_ah *ah;
437 };
438
439 struct mlx4_ib_demux_pv_qp {
440 struct ib_qp *qp;
441 enum ib_qp_type proxy_qpt;
442 struct mlx4_ib_buf *ring;
443 struct mlx4_ib_tun_tx_buf *tx_ring;
444 spinlock_t tx_lock;
445 unsigned tx_ix_head;
446 unsigned tx_ix_tail;
447 };
448
449 enum mlx4_ib_demux_pv_state {
450 DEMUX_PV_STATE_DOWN,
451 DEMUX_PV_STATE_STARTING,
452 DEMUX_PV_STATE_ACTIVE,
453 DEMUX_PV_STATE_DOWNING,
454 };
455
456 struct mlx4_ib_demux_pv_ctx {
457 int port;
458 int slave;
459 enum mlx4_ib_demux_pv_state state;
460 int has_smi;
461 struct ib_device *ib_dev;
462 struct ib_cq *cq;
463 struct ib_pd *pd;
464 struct work_struct work;
465 struct workqueue_struct *wq;
466 struct mlx4_ib_demux_pv_qp qp[2];
467 };
468
469 struct mlx4_ib_demux_ctx {
470 struct ib_device *ib_dev;
471 int port;
472 struct workqueue_struct *wq;
473 struct workqueue_struct *ud_wq;
474 spinlock_t ud_lock;
475 atomic64_t subnet_prefix;
476 __be64 guid_cache[128];
477 struct mlx4_ib_dev *dev;
478 /* the following lock protects both mcg_table and mcg_mgid0_list */
479 struct mutex mcg_table_lock;
480 struct rb_root mcg_table;
481 struct list_head mcg_mgid0_list;
482 struct workqueue_struct *mcg_wq;
483 struct mlx4_ib_demux_pv_ctx **tun;
484 atomic_t tid;
485 int flushing; /* flushing the work queue */
486 };
487
488 struct mlx4_ib_sriov {
489 struct mlx4_ib_demux_ctx demux[MLX4_MAX_PORTS];
490 struct mlx4_ib_demux_pv_ctx *sqps[MLX4_MAX_PORTS];
491 /* when using this spinlock you should use "irq" because
492 * it may be called from interrupt context.*/
493 spinlock_t going_down_lock;
494 int is_going_down;
495
496 struct mlx4_sriov_alias_guid alias_guid;
497
498 /* CM paravirtualization fields */
499 struct list_head cm_list;
500 spinlock_t id_map_lock;
501 struct rb_root sl_id_map;
502 struct idr pv_id_table;
503 };
504
505 struct gid_cache_context {
506 int real_index;
507 int refcount;
508 };
509
510 struct gid_entry {
511 union ib_gid gid;
512 enum ib_gid_type gid_type;
513 struct gid_cache_context *ctx;
514 };
515
516 struct mlx4_port_gid_table {
517 struct gid_entry gids[MLX4_MAX_PORT_GIDS];
518 };
519
520 struct mlx4_ib_iboe {
521 spinlock_t lock;
522 struct net_device *netdevs[MLX4_MAX_PORTS];
523 atomic64_t mac[MLX4_MAX_PORTS];
524 struct notifier_block nb;
525 struct mlx4_port_gid_table gids[MLX4_MAX_PORTS];
526 };
527
528 struct pkey_mgt {
529 u8 virt2phys_pkey[MLX4_MFUNC_MAX][MLX4_MAX_PORTS][MLX4_MAX_PORT_PKEYS];
530 u16 phys_pkey_cache[MLX4_MAX_PORTS][MLX4_MAX_PORT_PKEYS];
531 struct list_head pkey_port_list[MLX4_MFUNC_MAX];
532 struct kobject *device_parent[MLX4_MFUNC_MAX];
533 };
534
535 struct mlx4_ib_iov_sysfs_attr {
536 void *ctx;
537 struct kobject *kobj;
538 unsigned long data;
539 u32 entry_num;
540 char name[15];
541 struct device_attribute dentry;
542 struct device *dev;
543 };
544
545 struct mlx4_ib_iov_sysfs_attr_ar {
546 struct mlx4_ib_iov_sysfs_attr dentries[3 * NUM_ALIAS_GUID_PER_PORT + 1];
547 };
548
549 struct mlx4_ib_iov_port {
550 char name[100];
551 u8 num;
552 struct mlx4_ib_dev *dev;
553 struct list_head list;
554 struct mlx4_ib_iov_sysfs_attr_ar *dentr_ar;
555 struct ib_port_attr attr;
556 struct kobject *cur_port;
557 struct kobject *admin_alias_parent;
558 struct kobject *gids_parent;
559 struct kobject *pkeys_parent;
560 struct kobject *mcgs_parent;
561 struct mlx4_ib_iov_sysfs_attr mcg_dentry;
562 };
563
564 struct counter_index {
565 struct list_head list;
566 u32 index;
567 u8 allocated;
568 };
569
570 struct mlx4_ib_counters {
571 struct list_head counters_list;
572 struct mutex mutex; /* mutex for accessing counters list */
573 u32 default_counter;
574 };
575
576 #define MLX4_DIAG_COUNTERS_TYPES 2
577
578 struct mlx4_ib_diag_counters {
579 const char **name;
580 u32 *offset;
581 u32 num_counters;
582 };
583
584 struct mlx4_ib_dev {
585 struct ib_device ib_dev;
586 struct mlx4_dev *dev;
587 int num_ports;
588 void __iomem *uar_map;
589
590 struct mlx4_uar priv_uar;
591 u32 priv_pdn;
592 MLX4_DECLARE_DOORBELL_LOCK(uar_lock);
593
594 struct ib_mad_agent *send_agent[MLX4_MAX_PORTS][2];
595 struct ib_ah *sm_ah[MLX4_MAX_PORTS];
596 spinlock_t sm_lock;
597 atomic64_t sl2vl[MLX4_MAX_PORTS];
598 struct mlx4_ib_sriov sriov;
599
600 struct mutex cap_mask_mutex;
601 bool ib_active;
602 struct mlx4_ib_iboe iboe;
603 struct mlx4_ib_counters counters_table[MLX4_MAX_PORTS];
604 int *eq_table;
605 struct kobject *iov_parent;
606 struct kobject *ports_parent;
607 struct kobject *dev_ports_parent[MLX4_MFUNC_MAX];
608 struct mlx4_ib_iov_port iov_ports[MLX4_MAX_PORTS];
609 struct pkey_mgt pkeys;
610 unsigned long *ib_uc_qpns_bitmap;
611 int steer_qpn_count;
612 int steer_qpn_base;
613 int steering_support;
614 struct mlx4_ib_qp *qp1_proxy[MLX4_MAX_PORTS];
615 /* lock when destroying qp1_proxy and getting netdev events */
616 struct mutex qp1_proxy_lock[MLX4_MAX_PORTS];
617 u8 bond_next_port;
618 /* protect resources needed as part of reset flow */
619 spinlock_t reset_flow_resource_lock;
620 struct list_head qp_list;
621 struct mlx4_ib_diag_counters diag_counters[MLX4_DIAG_COUNTERS_TYPES];
622 };
623
624 struct ib_event_work {
625 struct work_struct work;
626 struct mlx4_ib_dev *ib_dev;
627 struct mlx4_eqe ib_eqe;
628 int port;
629 };
630
631 struct mlx4_ib_qp_tunnel_init_attr {
632 struct ib_qp_init_attr init_attr;
633 int slave;
634 enum ib_qp_type proxy_qp_type;
635 u8 port;
636 };
637
638 struct mlx4_uverbs_ex_query_device {
639 __u32 comp_mask;
640 __u32 reserved;
641 };
642
643 enum query_device_resp_mask {
644 QUERY_DEVICE_RESP_MASK_TIMESTAMP = 1UL << 0,
645 };
646
647 struct mlx4_uverbs_ex_query_device_resp {
648 __u32 comp_mask;
649 __u32 response_length;
650 __u64 hca_core_clock_offset;
651 __u32 max_inl_recv_sz;
652 __u32 reserved;
653 };
654
to_mdev(struct ib_device * ibdev)655 static inline struct mlx4_ib_dev *to_mdev(struct ib_device *ibdev)
656 {
657 return container_of(ibdev, struct mlx4_ib_dev, ib_dev);
658 }
659
to_mucontext(struct ib_ucontext * ibucontext)660 static inline struct mlx4_ib_ucontext *to_mucontext(struct ib_ucontext *ibucontext)
661 {
662 return container_of(ibucontext, struct mlx4_ib_ucontext, ibucontext);
663 }
664
to_mpd(struct ib_pd * ibpd)665 static inline struct mlx4_ib_pd *to_mpd(struct ib_pd *ibpd)
666 {
667 return container_of(ibpd, struct mlx4_ib_pd, ibpd);
668 }
669
to_mxrcd(struct ib_xrcd * ibxrcd)670 static inline struct mlx4_ib_xrcd *to_mxrcd(struct ib_xrcd *ibxrcd)
671 {
672 return container_of(ibxrcd, struct mlx4_ib_xrcd, ibxrcd);
673 }
674
to_mcq(struct ib_cq * ibcq)675 static inline struct mlx4_ib_cq *to_mcq(struct ib_cq *ibcq)
676 {
677 return container_of(ibcq, struct mlx4_ib_cq, ibcq);
678 }
679
to_mibcq(struct mlx4_cq * mcq)680 static inline struct mlx4_ib_cq *to_mibcq(struct mlx4_cq *mcq)
681 {
682 return container_of(mcq, struct mlx4_ib_cq, mcq);
683 }
684
to_mmr(struct ib_mr * ibmr)685 static inline struct mlx4_ib_mr *to_mmr(struct ib_mr *ibmr)
686 {
687 return container_of(ibmr, struct mlx4_ib_mr, ibmr);
688 }
689
to_mmw(struct ib_mw * ibmw)690 static inline struct mlx4_ib_mw *to_mmw(struct ib_mw *ibmw)
691 {
692 return container_of(ibmw, struct mlx4_ib_mw, ibmw);
693 }
694
to_mfmr(struct ib_fmr * ibfmr)695 static inline struct mlx4_ib_fmr *to_mfmr(struct ib_fmr *ibfmr)
696 {
697 return container_of(ibfmr, struct mlx4_ib_fmr, ibfmr);
698 }
699
to_mflow(struct ib_flow * ibflow)700 static inline struct mlx4_ib_flow *to_mflow(struct ib_flow *ibflow)
701 {
702 return container_of(ibflow, struct mlx4_ib_flow, ibflow);
703 }
704
to_mqp(struct ib_qp * ibqp)705 static inline struct mlx4_ib_qp *to_mqp(struct ib_qp *ibqp)
706 {
707 return container_of(ibqp, struct mlx4_ib_qp, ibqp);
708 }
709
to_mibqp(struct mlx4_qp * mqp)710 static inline struct mlx4_ib_qp *to_mibqp(struct mlx4_qp *mqp)
711 {
712 return container_of(mqp, struct mlx4_ib_qp, mqp);
713 }
714
to_msrq(struct ib_srq * ibsrq)715 static inline struct mlx4_ib_srq *to_msrq(struct ib_srq *ibsrq)
716 {
717 return container_of(ibsrq, struct mlx4_ib_srq, ibsrq);
718 }
719
to_mibsrq(struct mlx4_srq * msrq)720 static inline struct mlx4_ib_srq *to_mibsrq(struct mlx4_srq *msrq)
721 {
722 return container_of(msrq, struct mlx4_ib_srq, msrq);
723 }
724
to_mah(struct ib_ah * ibah)725 static inline struct mlx4_ib_ah *to_mah(struct ib_ah *ibah)
726 {
727 return container_of(ibah, struct mlx4_ib_ah, ibah);
728 }
729
mlx4_ib_bond_next_port(struct mlx4_ib_dev * dev)730 static inline u8 mlx4_ib_bond_next_port(struct mlx4_ib_dev *dev)
731 {
732 dev->bond_next_port = (dev->bond_next_port + 1) % dev->num_ports;
733
734 return dev->bond_next_port + 1;
735 }
736
737 int mlx4_ib_init_sriov(struct mlx4_ib_dev *dev);
738 void mlx4_ib_close_sriov(struct mlx4_ib_dev *dev);
739
740 int mlx4_ib_db_map_user(struct mlx4_ib_ucontext *context, unsigned long virt,
741 struct mlx4_db *db);
742 void mlx4_ib_db_unmap_user(struct mlx4_ib_ucontext *context, struct mlx4_db *db);
743
744 struct ib_mr *mlx4_ib_get_dma_mr(struct ib_pd *pd, int acc);
745 int mlx4_ib_umem_write_mtt(struct mlx4_ib_dev *dev, struct mlx4_mtt *mtt,
746 struct ib_umem *umem);
747 struct ib_mr *mlx4_ib_reg_user_mr(struct ib_pd *pd, u64 start, u64 length,
748 u64 virt_addr, int access_flags,
749 struct ib_udata *udata);
750 int mlx4_ib_dereg_mr(struct ib_mr *mr);
751 struct ib_mw *mlx4_ib_alloc_mw(struct ib_pd *pd, enum ib_mw_type type,
752 struct ib_udata *udata);
753 int mlx4_ib_dealloc_mw(struct ib_mw *mw);
754 struct ib_mr *mlx4_ib_alloc_mr(struct ib_pd *pd,
755 enum ib_mr_type mr_type,
756 u32 max_num_sg);
757 int mlx4_ib_map_mr_sg(struct ib_mr *ibmr, struct scatterlist *sg, int sg_nents,
758 unsigned int *sg_offset);
759 int mlx4_ib_modify_cq(struct ib_cq *cq, u16 cq_count, u16 cq_period);
760 int mlx4_ib_resize_cq(struct ib_cq *ibcq, int entries, struct ib_udata *udata);
761 struct ib_cq *mlx4_ib_create_cq(struct ib_device *ibdev,
762 const struct ib_cq_init_attr *attr,
763 struct ib_ucontext *context,
764 struct ib_udata *udata);
765 int mlx4_ib_destroy_cq(struct ib_cq *cq);
766 int mlx4_ib_poll_cq(struct ib_cq *ibcq, int num_entries, struct ib_wc *wc);
767 int mlx4_ib_arm_cq(struct ib_cq *cq, enum ib_cq_notify_flags flags);
768 void __mlx4_ib_cq_clean(struct mlx4_ib_cq *cq, u32 qpn, struct mlx4_ib_srq *srq);
769 void mlx4_ib_cq_clean(struct mlx4_ib_cq *cq, u32 qpn, struct mlx4_ib_srq *srq);
770
771 struct ib_ah *mlx4_ib_create_ah(struct ib_pd *pd, struct rdma_ah_attr *ah_attr,
772 struct ib_udata *udata);
773 int mlx4_ib_query_ah(struct ib_ah *ibah, struct rdma_ah_attr *ah_attr);
774 int mlx4_ib_destroy_ah(struct ib_ah *ah);
775
776 struct ib_srq *mlx4_ib_create_srq(struct ib_pd *pd,
777 struct ib_srq_init_attr *init_attr,
778 struct ib_udata *udata);
779 int mlx4_ib_modify_srq(struct ib_srq *ibsrq, struct ib_srq_attr *attr,
780 enum ib_srq_attr_mask attr_mask, struct ib_udata *udata);
781 int mlx4_ib_query_srq(struct ib_srq *srq, struct ib_srq_attr *srq_attr);
782 int mlx4_ib_destroy_srq(struct ib_srq *srq);
783 void mlx4_ib_free_srq_wqe(struct mlx4_ib_srq *srq, int wqe_index);
784 int mlx4_ib_post_srq_recv(struct ib_srq *ibsrq, struct ib_recv_wr *wr,
785 struct ib_recv_wr **bad_wr);
786
787 struct ib_qp *mlx4_ib_create_qp(struct ib_pd *pd,
788 struct ib_qp_init_attr *init_attr,
789 struct ib_udata *udata);
790 int mlx4_ib_destroy_qp(struct ib_qp *qp);
791 int mlx4_ib_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr,
792 int attr_mask, struct ib_udata *udata);
793 int mlx4_ib_query_qp(struct ib_qp *ibqp, struct ib_qp_attr *qp_attr, int qp_attr_mask,
794 struct ib_qp_init_attr *qp_init_attr);
795 int mlx4_ib_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr,
796 struct ib_send_wr **bad_wr);
797 int mlx4_ib_post_recv(struct ib_qp *ibqp, struct ib_recv_wr *wr,
798 struct ib_recv_wr **bad_wr);
799
800 int mlx4_MAD_IFC(struct mlx4_ib_dev *dev, int mad_ifc_flags,
801 int port, const struct ib_wc *in_wc, const struct ib_grh *in_grh,
802 const void *in_mad, void *response_mad);
803 int mlx4_ib_process_mad(struct ib_device *ibdev, int mad_flags, u8 port_num,
804 const struct ib_wc *in_wc, const struct ib_grh *in_grh,
805 const struct ib_mad_hdr *in, size_t in_mad_size,
806 struct ib_mad_hdr *out, size_t *out_mad_size,
807 u16 *out_mad_pkey_index);
808 int mlx4_ib_mad_init(struct mlx4_ib_dev *dev);
809 void mlx4_ib_mad_cleanup(struct mlx4_ib_dev *dev);
810
811 struct ib_fmr *mlx4_ib_fmr_alloc(struct ib_pd *pd, int mr_access_flags,
812 struct ib_fmr_attr *fmr_attr);
813 int mlx4_ib_map_phys_fmr(struct ib_fmr *ibfmr, u64 *page_list, int npages,
814 u64 iova);
815 int mlx4_ib_unmap_fmr(struct list_head *fmr_list);
816 int mlx4_ib_fmr_dealloc(struct ib_fmr *fmr);
817 int __mlx4_ib_query_port(struct ib_device *ibdev, u8 port,
818 struct ib_port_attr *props, int netw_view);
819 int __mlx4_ib_query_pkey(struct ib_device *ibdev, u8 port, u16 index,
820 u16 *pkey, int netw_view);
821
822 int __mlx4_ib_query_gid(struct ib_device *ibdev, u8 port, int index,
823 union ib_gid *gid, int netw_view);
824
mlx4_ib_ah_grh_present(struct mlx4_ib_ah * ah)825 static inline bool mlx4_ib_ah_grh_present(struct mlx4_ib_ah *ah)
826 {
827 u8 port = be32_to_cpu(ah->av.ib.port_pd) >> 24 & 3;
828
829 if (rdma_port_get_link_layer(ah->ibah.device, port) == IB_LINK_LAYER_ETHERNET)
830 return true;
831
832 return !!(ah->av.ib.g_slid & 0x80);
833 }
834
835 int mlx4_ib_mcg_port_init(struct mlx4_ib_demux_ctx *ctx);
836 void mlx4_ib_mcg_port_cleanup(struct mlx4_ib_demux_ctx *ctx, int destroy_wq);
837 void clean_vf_mcast(struct mlx4_ib_demux_ctx *ctx, int slave);
838 int mlx4_ib_mcg_init(void);
839 void mlx4_ib_mcg_destroy(void);
840
841 int mlx4_ib_find_real_gid(struct ib_device *ibdev, u8 port, __be64 guid);
842
843 int mlx4_ib_mcg_multiplex_handler(struct ib_device *ibdev, int port, int slave,
844 struct ib_sa_mad *sa_mad);
845 int mlx4_ib_mcg_demux_handler(struct ib_device *ibdev, int port, int slave,
846 struct ib_sa_mad *mad);
847
848 int mlx4_ib_add_mc(struct mlx4_ib_dev *mdev, struct mlx4_ib_qp *mqp,
849 union ib_gid *gid);
850
851 void mlx4_ib_dispatch_event(struct mlx4_ib_dev *dev, u8 port_num,
852 enum ib_event_type type);
853
854 void mlx4_ib_tunnels_update_work(struct work_struct *work);
855
856 int mlx4_ib_send_to_slave(struct mlx4_ib_dev *dev, int slave, u8 port,
857 enum ib_qp_type qpt, struct ib_wc *wc,
858 struct ib_grh *grh, struct ib_mad *mad);
859
860 int mlx4_ib_send_to_wire(struct mlx4_ib_dev *dev, int slave, u8 port,
861 enum ib_qp_type dest_qpt, u16 pkey_index, u32 remote_qpn,
862 u32 qkey, struct rdma_ah_attr *attr, u8 *s_mac,
863 u16 vlan_id, struct ib_mad *mad);
864
865 __be64 mlx4_ib_get_new_demux_tid(struct mlx4_ib_demux_ctx *ctx);
866
867 int mlx4_ib_demux_cm_handler(struct ib_device *ibdev, int port, int *slave,
868 struct ib_mad *mad);
869
870 int mlx4_ib_multiplex_cm_handler(struct ib_device *ibdev, int port, int slave_id,
871 struct ib_mad *mad);
872
873 void mlx4_ib_cm_paravirt_init(struct mlx4_ib_dev *dev);
874 void mlx4_ib_cm_paravirt_clean(struct mlx4_ib_dev *dev, int slave_id);
875
876 /* alias guid support */
877 void mlx4_ib_init_alias_guid_work(struct mlx4_ib_dev *dev, int port);
878 int mlx4_ib_init_alias_guid_service(struct mlx4_ib_dev *dev);
879 void mlx4_ib_destroy_alias_guid_service(struct mlx4_ib_dev *dev);
880 void mlx4_ib_invalidate_all_guid_record(struct mlx4_ib_dev *dev, int port);
881
882 void mlx4_ib_notify_slaves_on_guid_change(struct mlx4_ib_dev *dev,
883 int block_num,
884 u8 port_num, u8 *p_data);
885
886 void mlx4_ib_update_cache_on_guid_change(struct mlx4_ib_dev *dev,
887 int block_num, u8 port_num,
888 u8 *p_data);
889
890 int add_sysfs_port_mcg_attr(struct mlx4_ib_dev *device, int port_num,
891 struct attribute *attr);
892 void del_sysfs_port_mcg_attr(struct mlx4_ib_dev *device, int port_num,
893 struct attribute *attr);
894 ib_sa_comp_mask mlx4_ib_get_aguid_comp_mask_from_ix(int index);
895 void mlx4_ib_slave_alias_guid_event(struct mlx4_ib_dev *dev, int slave,
896 int port, int slave_init);
897
898 int mlx4_ib_device_register_sysfs(struct mlx4_ib_dev *device) ;
899
900 void mlx4_ib_device_unregister_sysfs(struct mlx4_ib_dev *device);
901
902 __be64 mlx4_ib_gen_node_guid(void);
903
904 int mlx4_ib_steer_qp_alloc(struct mlx4_ib_dev *dev, int count, int *qpn);
905 void mlx4_ib_steer_qp_free(struct mlx4_ib_dev *dev, u32 qpn, int count);
906 int mlx4_ib_steer_qp_reg(struct mlx4_ib_dev *mdev, struct mlx4_ib_qp *mqp,
907 int is_attach);
908 int mlx4_ib_rereg_user_mr(struct ib_mr *mr, int flags,
909 u64 start, u64 length, u64 virt_addr,
910 int mr_access_flags, struct ib_pd *pd,
911 struct ib_udata *udata);
912 int mlx4_ib_gid_index_to_real_index(struct mlx4_ib_dev *ibdev,
913 u8 port_num, int index);
914
915 void mlx4_sched_ib_sl2vl_update_work(struct mlx4_ib_dev *ibdev,
916 int port);
917
918 void mlx4_ib_sl2vl_update(struct mlx4_ib_dev *mdev, int port);
919
920 struct ib_wq *mlx4_ib_create_wq(struct ib_pd *pd,
921 struct ib_wq_init_attr *init_attr,
922 struct ib_udata *udata);
923 int mlx4_ib_destroy_wq(struct ib_wq *wq);
924 int mlx4_ib_modify_wq(struct ib_wq *wq, struct ib_wq_attr *wq_attr,
925 u32 wq_attr_mask, struct ib_udata *udata);
926
927 struct ib_rwq_ind_table
928 *mlx4_ib_create_rwq_ind_table(struct ib_device *device,
929 struct ib_rwq_ind_table_init_attr *init_attr,
930 struct ib_udata *udata);
931 int mlx4_ib_destroy_rwq_ind_table(struct ib_rwq_ind_table *wq_ind_table);
932
933 #endif /* MLX4_IB_H */
934