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x86/topology: Fix function name in documentation
[cris-mirror.git] / drivers / infiniband / hw / mlx4 / mlx4_ib.h
blobe14919c15b06e620dad56a91587928f06e1939e7
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_vma_private_data {
84 struct vm_area_struct *vma;
85 };
86
87 struct mlx4_ib_ucontext {
88 struct ib_ucontext ibucontext;
89 struct mlx4_uar uar;
90 struct list_head db_page_list;
91 struct mutex db_page_mutex;
92 struct mlx4_ib_vma_private_data hw_bar_info[HW_BAR_COUNT];
93 struct list_head wqn_ranges_list;
94 struct mutex wqn_ranges_mutex; /* protect wqn_ranges_list */
95 };
96
97 struct mlx4_ib_pd {
98 struct ib_pd ibpd;
99 u32 pdn;
100 };
101
102 struct mlx4_ib_xrcd {
103 struct ib_xrcd ibxrcd;
104 u32 xrcdn;
105 struct ib_pd *pd;
106 struct ib_cq *cq;
107 };
108
109 struct mlx4_ib_cq_buf {
110 struct mlx4_buf buf;
111 struct mlx4_mtt mtt;
112 int entry_size;
113 };
114
115 struct mlx4_ib_cq_resize {
116 struct mlx4_ib_cq_buf buf;
117 int cqe;
118 };
119
120 struct mlx4_ib_cq {
121 struct ib_cq ibcq;
122 struct mlx4_cq mcq;
123 struct mlx4_ib_cq_buf buf;
124 struct mlx4_ib_cq_resize *resize_buf;
125 struct mlx4_db db;
126 spinlock_t lock;
127 struct mutex resize_mutex;
128 struct ib_umem *umem;
129 struct ib_umem *resize_umem;
130 int create_flags;
131 /* List of qps that it serves.*/
132 struct list_head send_qp_list;
133 struct list_head recv_qp_list;
134 };
135
136 #define MLX4_MR_PAGES_ALIGN 0x40
137
138 struct mlx4_ib_mr {
139 struct ib_mr ibmr;
140 __be64 *pages;
141 dma_addr_t page_map;
142 u32 npages;
143 u32 max_pages;
144 struct mlx4_mr mmr;
145 struct ib_umem *umem;
146 size_t page_map_size;
147 };
148
149 struct mlx4_ib_mw {
150 struct ib_mw ibmw;
151 struct mlx4_mw mmw;
152 };
153
154 struct mlx4_ib_fmr {
155 struct ib_fmr ibfmr;
156 struct mlx4_fmr mfmr;
157 };
158
159 #define MAX_REGS_PER_FLOW 2
160
161 struct mlx4_flow_reg_id {
162 u64 id;
163 u64 mirror;
164 };
165
166 struct mlx4_ib_flow {
167 struct ib_flow ibflow;
168 /* translating DMFS verbs sniffer rule to FW API requires two reg IDs */
169 struct mlx4_flow_reg_id reg_id[MAX_REGS_PER_FLOW];
170 };
171
172 struct mlx4_ib_wq {
173 u64 *wrid;
174 spinlock_t lock;
175 int wqe_cnt;
176 int max_post;
177 int max_gs;
178 int offset;
179 int wqe_shift;
180 unsigned head;
181 unsigned tail;
182 };
183
184 enum {
185 MLX4_IB_QP_CREATE_ROCE_V2_GSI = IB_QP_CREATE_RESERVED_START
186 };
187
188 enum mlx4_ib_qp_flags {
189 MLX4_IB_QP_LSO = IB_QP_CREATE_IPOIB_UD_LSO,
190 MLX4_IB_QP_BLOCK_MULTICAST_LOOPBACK = IB_QP_CREATE_BLOCK_MULTICAST_LOOPBACK,
191 MLX4_IB_QP_NETIF = IB_QP_CREATE_NETIF_QP,
192
193 /* Mellanox specific flags start from IB_QP_CREATE_RESERVED_START */
194 MLX4_IB_ROCE_V2_GSI_QP = MLX4_IB_QP_CREATE_ROCE_V2_GSI,
195 MLX4_IB_SRIOV_TUNNEL_QP = 1 << 30,
196 MLX4_IB_SRIOV_SQP = 1 << 31,
197 };
198
199 struct mlx4_ib_gid_entry {
200 struct list_head list;
201 union ib_gid gid;
202 int added;
203 u8 port;
204 };
205
206 enum mlx4_ib_qp_type {
207 /*
208 * IB_QPT_SMI and IB_QPT_GSI have to be the first two entries
209 * here (and in that order) since the MAD layer uses them as
210 * indices into a 2-entry table.
211 */
212 MLX4_IB_QPT_SMI = IB_QPT_SMI,
213 MLX4_IB_QPT_GSI = IB_QPT_GSI,
214
215 MLX4_IB_QPT_RC = IB_QPT_RC,
216 MLX4_IB_QPT_UC = IB_QPT_UC,
217 MLX4_IB_QPT_UD = IB_QPT_UD,
218 MLX4_IB_QPT_RAW_IPV6 = IB_QPT_RAW_IPV6,
219 MLX4_IB_QPT_RAW_ETHERTYPE = IB_QPT_RAW_ETHERTYPE,
220 MLX4_IB_QPT_RAW_PACKET = IB_QPT_RAW_PACKET,
221 MLX4_IB_QPT_XRC_INI = IB_QPT_XRC_INI,
222 MLX4_IB_QPT_XRC_TGT = IB_QPT_XRC_TGT,
223
224 MLX4_IB_QPT_PROXY_SMI_OWNER = 1 << 16,
225 MLX4_IB_QPT_PROXY_SMI = 1 << 17,
226 MLX4_IB_QPT_PROXY_GSI = 1 << 18,
227 MLX4_IB_QPT_TUN_SMI_OWNER = 1 << 19,
228 MLX4_IB_QPT_TUN_SMI = 1 << 20,
229 MLX4_IB_QPT_TUN_GSI = 1 << 21,
230 };
231
232 #define MLX4_IB_QPT_ANY_SRIOV (MLX4_IB_QPT_PROXY_SMI_OWNER | \
233 MLX4_IB_QPT_PROXY_SMI | MLX4_IB_QPT_PROXY_GSI | MLX4_IB_QPT_TUN_SMI_OWNER | \
234 MLX4_IB_QPT_TUN_SMI | MLX4_IB_QPT_TUN_GSI)
235
236 enum mlx4_ib_mad_ifc_flags {
237 MLX4_MAD_IFC_IGNORE_MKEY = 1,
238 MLX4_MAD_IFC_IGNORE_BKEY = 2,
239 MLX4_MAD_IFC_IGNORE_KEYS = (MLX4_MAD_IFC_IGNORE_MKEY |
240 MLX4_MAD_IFC_IGNORE_BKEY),
241 MLX4_MAD_IFC_NET_VIEW = 4,
242 };
243
244 enum {
245 MLX4_NUM_TUNNEL_BUFS = 256,
246 };
247
248 struct mlx4_ib_tunnel_header {
249 struct mlx4_av av;
250 __be32 remote_qpn;
251 __be32 qkey;
252 __be16 vlan;
253 u8 mac[6];
254 __be16 pkey_index;
255 u8 reserved[6];
256 };
257
258 struct mlx4_ib_buf {
259 void *addr;
260 dma_addr_t map;
261 };
262
263 struct mlx4_rcv_tunnel_hdr {
264 __be32 flags_src_qp; /* flags[6:5] is defined for VLANs:
265 * 0x0 - no vlan was in the packet
266 * 0x01 - C-VLAN was in the packet */
267 u8 g_ml_path; /* gid bit stands for ipv6/4 header in RoCE */
268 u8 reserved;
269 __be16 pkey_index;
270 __be16 sl_vid;
271 __be16 slid_mac_47_32;
272 __be32 mac_31_0;
273 };
274
275 struct mlx4_ib_proxy_sqp_hdr {
276 struct ib_grh grh;
277 struct mlx4_rcv_tunnel_hdr tun;
278 } __packed;
279
280 struct mlx4_roce_smac_vlan_info {
281 u64 smac;
282 int smac_index;
283 int smac_port;
284 u64 candidate_smac;
285 int candidate_smac_index;
286 int candidate_smac_port;
287 u16 vid;
288 int vlan_index;
289 int vlan_port;
290 u16 candidate_vid;
291 int candidate_vlan_index;
292 int candidate_vlan_port;
293 int update_vid;
294 };
295
296 struct mlx4_wqn_range {
297 int base_wqn;
298 int size;
299 int refcount;
300 bool dirty;
301 struct list_head list;
302 };
303
304 struct mlx4_ib_rss {
305 unsigned int base_qpn_tbl_sz;
306 u8 flags;
307 u8 rss_key[MLX4_EN_RSS_KEY_SIZE];
308 };
309
310 struct mlx4_ib_qp {
311 union {
312 struct ib_qp ibqp;
313 struct ib_wq ibwq;
314 };
315 struct mlx4_qp mqp;
316 struct mlx4_buf buf;
317
318 struct mlx4_db db;
319 struct mlx4_ib_wq rq;
320
321 u32 doorbell_qpn;
322 __be32 sq_signal_bits;
323 unsigned sq_next_wqe;
324 int sq_max_wqes_per_wr;
325 int sq_spare_wqes;
326 struct mlx4_ib_wq sq;
327
328 enum mlx4_ib_qp_type mlx4_ib_qp_type;
329 struct ib_umem *umem;
330 struct mlx4_mtt mtt;
331 int buf_size;
332 struct mutex mutex;
333 u16 xrcdn;
334 u32 flags;
335 u8 port;
336 u8 alt_port;
337 u8 atomic_rd_en;
338 u8 resp_depth;
339 u8 sq_no_prefetch;
340 u8 state;
341 int mlx_type;
342 u32 inl_recv_sz;
343 struct list_head gid_list;
344 struct list_head steering_rules;
345 struct mlx4_ib_buf *sqp_proxy_rcv;
346 struct mlx4_roce_smac_vlan_info pri;
347 struct mlx4_roce_smac_vlan_info alt;
348 u64 reg_id;
349 struct list_head qps_list;
350 struct list_head cq_recv_list;
351 struct list_head cq_send_list;
352 struct counter_index *counter_index;
353 struct mlx4_wqn_range *wqn_range;
354 /* Number of RSS QP parents that uses this WQ */
355 u32 rss_usecnt;
356 struct mlx4_ib_rss *rss_ctx;
357 };
358
359 struct mlx4_ib_srq {
360 struct ib_srq ibsrq;
361 struct mlx4_srq msrq;
362 struct mlx4_buf buf;
363 struct mlx4_db db;
364 u64 *wrid;
365 spinlock_t lock;
366 int head;
367 int tail;
368 u16 wqe_ctr;
369 struct ib_umem *umem;
370 struct mlx4_mtt mtt;
371 struct mutex mutex;
372 };
373
374 struct mlx4_ib_ah {
375 struct ib_ah ibah;
376 union mlx4_ext_av av;
377 };
378
379 /****************************************/
380 /* alias guid support */
381 /****************************************/
382 #define NUM_PORT_ALIAS_GUID 2
383 #define NUM_ALIAS_GUID_IN_REC 8
384 #define NUM_ALIAS_GUID_REC_IN_PORT 16
385 #define GUID_REC_SIZE 8
386 #define NUM_ALIAS_GUID_PER_PORT 128
387 #define MLX4_NOT_SET_GUID (0x00LL)
388 #define MLX4_GUID_FOR_DELETE_VAL (~(0x00LL))
389
390 enum mlx4_guid_alias_rec_status {
391 MLX4_GUID_INFO_STATUS_IDLE,
392 MLX4_GUID_INFO_STATUS_SET,
393 };
394
395 #define GUID_STATE_NEED_PORT_INIT 0x01
396
397 enum mlx4_guid_alias_rec_method {
398 MLX4_GUID_INFO_RECORD_SET = IB_MGMT_METHOD_SET,
399 MLX4_GUID_INFO_RECORD_DELETE = IB_SA_METHOD_DELETE,
400 };
401
402 struct mlx4_sriov_alias_guid_info_rec_det {
403 u8 all_recs[GUID_REC_SIZE * NUM_ALIAS_GUID_IN_REC];
404 ib_sa_comp_mask guid_indexes; /*indicates what from the 8 records are valid*/
405 enum mlx4_guid_alias_rec_status status; /*indicates the administraively status of the record.*/
406 unsigned int guids_retry_schedule[NUM_ALIAS_GUID_IN_REC];
407 u64 time_to_run;
408 };
409
410 struct mlx4_sriov_alias_guid_port_rec_det {
411 struct mlx4_sriov_alias_guid_info_rec_det all_rec_per_port[NUM_ALIAS_GUID_REC_IN_PORT];
412 struct workqueue_struct *wq;
413 struct delayed_work alias_guid_work;
414 u8 port;
415 u32 state_flags;
416 struct mlx4_sriov_alias_guid *parent;
417 struct list_head cb_list;
418 };
419
420 struct mlx4_sriov_alias_guid {
421 struct mlx4_sriov_alias_guid_port_rec_det ports_guid[MLX4_MAX_PORTS];
422 spinlock_t ag_work_lock;
423 struct ib_sa_client *sa_client;
424 };
425
426 struct mlx4_ib_demux_work {
427 struct work_struct work;
428 struct mlx4_ib_dev *dev;
429 int slave;
430 int do_init;
431 u8 port;
432
433 };
434
435 struct mlx4_ib_tun_tx_buf {
436 struct mlx4_ib_buf buf;
437 struct ib_ah *ah;
438 };
439
440 struct mlx4_ib_demux_pv_qp {
441 struct ib_qp *qp;
442 enum ib_qp_type proxy_qpt;
443 struct mlx4_ib_buf *ring;
444 struct mlx4_ib_tun_tx_buf *tx_ring;
445 spinlock_t tx_lock;
446 unsigned tx_ix_head;
447 unsigned tx_ix_tail;
448 };
449
450 enum mlx4_ib_demux_pv_state {
451 DEMUX_PV_STATE_DOWN,
452 DEMUX_PV_STATE_STARTING,
453 DEMUX_PV_STATE_ACTIVE,
454 DEMUX_PV_STATE_DOWNING,
455 };
456
457 struct mlx4_ib_demux_pv_ctx {
458 int port;
459 int slave;
460 enum mlx4_ib_demux_pv_state state;
461 int has_smi;
462 struct ib_device *ib_dev;
463 struct ib_cq *cq;
464 struct ib_pd *pd;
465 struct work_struct work;
466 struct workqueue_struct *wq;
467 struct mlx4_ib_demux_pv_qp qp[2];
468 };
469
470 struct mlx4_ib_demux_ctx {
471 struct ib_device *ib_dev;
472 int port;
473 struct workqueue_struct *wq;
474 struct workqueue_struct *ud_wq;
475 spinlock_t ud_lock;
476 atomic64_t subnet_prefix;
477 __be64 guid_cache[128];
478 struct mlx4_ib_dev *dev;
479 /* the following lock protects both mcg_table and mcg_mgid0_list */
480 struct mutex mcg_table_lock;
481 struct rb_root mcg_table;
482 struct list_head mcg_mgid0_list;
483 struct workqueue_struct *mcg_wq;
484 struct mlx4_ib_demux_pv_ctx **tun;
485 atomic_t tid;
486 int flushing; /* flushing the work queue */
487 };
488
489 struct mlx4_ib_sriov {
490 struct mlx4_ib_demux_ctx demux[MLX4_MAX_PORTS];
491 struct mlx4_ib_demux_pv_ctx *sqps[MLX4_MAX_PORTS];
492 /* when using this spinlock you should use "irq" because
493 * it may be called from interrupt context.*/
494 spinlock_t going_down_lock;
495 int is_going_down;
496
497 struct mlx4_sriov_alias_guid alias_guid;
498
499 /* CM paravirtualization fields */
500 struct list_head cm_list;
501 spinlock_t id_map_lock;
502 struct rb_root sl_id_map;
503 struct idr pv_id_table;
504 };
505
506 struct gid_cache_context {
507 int real_index;
508 int refcount;
509 };
510
511 struct gid_entry {
512 union ib_gid gid;
513 enum ib_gid_type gid_type;
514 struct gid_cache_context *ctx;
515 };
516
517 struct mlx4_port_gid_table {
518 struct gid_entry gids[MLX4_MAX_PORT_GIDS];
519 };
520
521 struct mlx4_ib_iboe {
522 spinlock_t lock;
523 struct net_device *netdevs[MLX4_MAX_PORTS];
524 atomic64_t mac[MLX4_MAX_PORTS];
525 struct notifier_block nb;
526 struct mlx4_port_gid_table gids[MLX4_MAX_PORTS];
527 };
528
529 struct pkey_mgt {
530 u8 virt2phys_pkey[MLX4_MFUNC_MAX][MLX4_MAX_PORTS][MLX4_MAX_PORT_PKEYS];
531 u16 phys_pkey_cache[MLX4_MAX_PORTS][MLX4_MAX_PORT_PKEYS];
532 struct list_head pkey_port_list[MLX4_MFUNC_MAX];
533 struct kobject *device_parent[MLX4_MFUNC_MAX];
534 };
535
536 struct mlx4_ib_iov_sysfs_attr {
537 void *ctx;
538 struct kobject *kobj;
539 unsigned long data;
540 u32 entry_num;
541 char name[15];
542 struct device_attribute dentry;
543 struct device *dev;
544 };
545
546 struct mlx4_ib_iov_sysfs_attr_ar {
547 struct mlx4_ib_iov_sysfs_attr dentries[3 * NUM_ALIAS_GUID_PER_PORT + 1];
548 };
549
550 struct mlx4_ib_iov_port {
551 char name[100];
552 u8 num;
553 struct mlx4_ib_dev *dev;
554 struct list_head list;
555 struct mlx4_ib_iov_sysfs_attr_ar *dentr_ar;
556 struct ib_port_attr attr;
557 struct kobject *cur_port;
558 struct kobject *admin_alias_parent;
559 struct kobject *gids_parent;
560 struct kobject *pkeys_parent;
561 struct kobject *mcgs_parent;
562 struct mlx4_ib_iov_sysfs_attr mcg_dentry;
563 };
564
565 struct counter_index {
566 struct list_head list;
567 u32 index;
568 u8 allocated;
569 };
570
571 struct mlx4_ib_counters {
572 struct list_head counters_list;
573 struct mutex mutex; /* mutex for accessing counters list */
574 u32 default_counter;
575 };
576
577 #define MLX4_DIAG_COUNTERS_TYPES 2
578
579 struct mlx4_ib_diag_counters {
580 const char **name;
581 u32 *offset;
582 u32 num_counters;
583 };
584
585 struct mlx4_ib_dev {
586 struct ib_device ib_dev;
587 struct mlx4_dev *dev;
588 int num_ports;
589 void __iomem *uar_map;
590
591 struct mlx4_uar priv_uar;
592 u32 priv_pdn;
593 MLX4_DECLARE_DOORBELL_LOCK(uar_lock);
594
595 struct ib_mad_agent *send_agent[MLX4_MAX_PORTS][2];
596 struct ib_ah *sm_ah[MLX4_MAX_PORTS];
597 spinlock_t sm_lock;
598 atomic64_t sl2vl[MLX4_MAX_PORTS];
599 struct mlx4_ib_sriov sriov;
600
601 struct mutex cap_mask_mutex;
602 bool ib_active;
603 struct mlx4_ib_iboe iboe;
604 struct mlx4_ib_counters counters_table[MLX4_MAX_PORTS];
605 int *eq_table;
606 struct kobject *iov_parent;
607 struct kobject *ports_parent;
608 struct kobject *dev_ports_parent[MLX4_MFUNC_MAX];
609 struct mlx4_ib_iov_port iov_ports[MLX4_MAX_PORTS];
610 struct pkey_mgt pkeys;
611 unsigned long *ib_uc_qpns_bitmap;
612 int steer_qpn_count;
613 int steer_qpn_base;
614 int steering_support;
615 struct mlx4_ib_qp *qp1_proxy[MLX4_MAX_PORTS];
616 /* lock when destroying qp1_proxy and getting netdev events */
617 struct mutex qp1_proxy_lock[MLX4_MAX_PORTS];
618 u8 bond_next_port;
619 /* protect resources needed as part of reset flow */
620 spinlock_t reset_flow_resource_lock;
621 struct list_head qp_list;
622 struct mlx4_ib_diag_counters diag_counters[MLX4_DIAG_COUNTERS_TYPES];
623 };
624
625 struct ib_event_work {
626 struct work_struct work;
627 struct mlx4_ib_dev *ib_dev;
628 struct mlx4_eqe ib_eqe;
629 int port;
630 };
631
632 struct mlx4_ib_qp_tunnel_init_attr {
633 struct ib_qp_init_attr init_attr;
634 int slave;
635 enum ib_qp_type proxy_qp_type;
636 u8 port;
637 };
638
639 struct mlx4_uverbs_ex_query_device {
640 __u32 comp_mask;
641 __u32 reserved;
642 };
643
644 enum query_device_resp_mask {
645 QUERY_DEVICE_RESP_MASK_TIMESTAMP = 1UL << 0,
646 };
647
648 struct mlx4_ib_rss_caps {
649 __u64 rx_hash_fields_mask; /* enum mlx4_rx_hash_fields */
650 __u8 rx_hash_function; /* enum mlx4_rx_hash_function_flags */
651 __u8 reserved[7];
652 };
653
654 struct mlx4_uverbs_ex_query_device_resp {
655 __u32 comp_mask;
656 __u32 response_length;
657 __u64 hca_core_clock_offset;
658 __u32 max_inl_recv_sz;
659 struct mlx4_ib_rss_caps rss_caps;
660 };
661
662 static inline struct mlx4_ib_dev *to_mdev(struct ib_device *ibdev)
663 {
664 return container_of(ibdev, struct mlx4_ib_dev, ib_dev);
665 }
666
667 static inline struct mlx4_ib_ucontext *to_mucontext(struct ib_ucontext *ibucontext)
668 {
669 return container_of(ibucontext, struct mlx4_ib_ucontext, ibucontext);
670 }
671
672 static inline struct mlx4_ib_pd *to_mpd(struct ib_pd *ibpd)
673 {
674 return container_of(ibpd, struct mlx4_ib_pd, ibpd);
675 }
676
677 static inline struct mlx4_ib_xrcd *to_mxrcd(struct ib_xrcd *ibxrcd)
678 {
679 return container_of(ibxrcd, struct mlx4_ib_xrcd, ibxrcd);
680 }
681
682 static inline struct mlx4_ib_cq *to_mcq(struct ib_cq *ibcq)
683 {
684 return container_of(ibcq, struct mlx4_ib_cq, ibcq);
685 }
686
687 static inline struct mlx4_ib_cq *to_mibcq(struct mlx4_cq *mcq)
688 {
689 return container_of(mcq, struct mlx4_ib_cq, mcq);
690 }
691
692 static inline struct mlx4_ib_mr *to_mmr(struct ib_mr *ibmr)
693 {
694 return container_of(ibmr, struct mlx4_ib_mr, ibmr);
695 }
696
697 static inline struct mlx4_ib_mw *to_mmw(struct ib_mw *ibmw)
698 {
699 return container_of(ibmw, struct mlx4_ib_mw, ibmw);
700 }
701
702 static inline struct mlx4_ib_fmr *to_mfmr(struct ib_fmr *ibfmr)
703 {
704 return container_of(ibfmr, struct mlx4_ib_fmr, ibfmr);
705 }
706
707 static inline struct mlx4_ib_flow *to_mflow(struct ib_flow *ibflow)
708 {
709 return container_of(ibflow, struct mlx4_ib_flow, ibflow);
710 }
711
712 static inline struct mlx4_ib_qp *to_mqp(struct ib_qp *ibqp)
713 {
714 return container_of(ibqp, struct mlx4_ib_qp, ibqp);
715 }
716
717 static inline struct mlx4_ib_qp *to_mibqp(struct mlx4_qp *mqp)
718 {
719 return container_of(mqp, struct mlx4_ib_qp, mqp);
720 }
721
722 static inline struct mlx4_ib_srq *to_msrq(struct ib_srq *ibsrq)
723 {
724 return container_of(ibsrq, struct mlx4_ib_srq, ibsrq);
725 }
726
727 static inline struct mlx4_ib_srq *to_mibsrq(struct mlx4_srq *msrq)
728 {
729 return container_of(msrq, struct mlx4_ib_srq, msrq);
730 }
731
732 static inline struct mlx4_ib_ah *to_mah(struct ib_ah *ibah)
733 {
734 return container_of(ibah, struct mlx4_ib_ah, ibah);
735 }
736
737 static inline u8 mlx4_ib_bond_next_port(struct mlx4_ib_dev *dev)
738 {
739 dev->bond_next_port = (dev->bond_next_port + 1) % dev->num_ports;
740
741 return dev->bond_next_port + 1;
742 }
743
744 int mlx4_ib_init_sriov(struct mlx4_ib_dev *dev);
745 void mlx4_ib_close_sriov(struct mlx4_ib_dev *dev);
746
747 int mlx4_ib_db_map_user(struct mlx4_ib_ucontext *context, unsigned long virt,
748 struct mlx4_db *db);
749 void mlx4_ib_db_unmap_user(struct mlx4_ib_ucontext *context, struct mlx4_db *db);
750
751 struct ib_mr *mlx4_ib_get_dma_mr(struct ib_pd *pd, int acc);
752 int mlx4_ib_umem_write_mtt(struct mlx4_ib_dev *dev, struct mlx4_mtt *mtt,
753 struct ib_umem *umem);
754 struct ib_mr *mlx4_ib_reg_user_mr(struct ib_pd *pd, u64 start, u64 length,
755 u64 virt_addr, int access_flags,
756 struct ib_udata *udata);
757 int mlx4_ib_dereg_mr(struct ib_mr *mr);
758 struct ib_mw *mlx4_ib_alloc_mw(struct ib_pd *pd, enum ib_mw_type type,
759 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,
762 enum ib_mr_type mr_type,
763 u32 max_num_sg);
764 int mlx4_ib_map_mr_sg(struct ib_mr *ibmr, struct scatterlist *sg, int sg_nents,
765 unsigned int *sg_offset);
766 int mlx4_ib_modify_cq(struct ib_cq *cq, u16 cq_count, u16 cq_period);
767 int mlx4_ib_resize_cq(struct ib_cq *ibcq, int entries, struct ib_udata *udata);
768 struct ib_cq *mlx4_ib_create_cq(struct ib_device *ibdev,
769 const struct ib_cq_init_attr *attr,
770 struct ib_ucontext *context,
771 struct ib_udata *udata);
772 int mlx4_ib_destroy_cq(struct ib_cq *cq);
773 int mlx4_ib_poll_cq(struct ib_cq *ibcq, int num_entries, struct ib_wc *wc);
774 int mlx4_ib_arm_cq(struct ib_cq *cq, enum ib_cq_notify_flags flags);
775 void __mlx4_ib_cq_clean(struct mlx4_ib_cq *cq, u32 qpn, struct mlx4_ib_srq *srq);
776 void mlx4_ib_cq_clean(struct mlx4_ib_cq *cq, u32 qpn, struct mlx4_ib_srq *srq);
777
778 struct ib_ah *mlx4_ib_create_ah(struct ib_pd *pd, struct rdma_ah_attr *ah_attr,
779 struct ib_udata *udata);
780 int mlx4_ib_query_ah(struct ib_ah *ibah, struct rdma_ah_attr *ah_attr);
781 int mlx4_ib_destroy_ah(struct ib_ah *ah);
782
783 struct ib_srq *mlx4_ib_create_srq(struct ib_pd *pd,
784 struct ib_srq_init_attr *init_attr,
785 struct ib_udata *udata);
786 int mlx4_ib_modify_srq(struct ib_srq *ibsrq, struct ib_srq_attr *attr,
787 enum ib_srq_attr_mask attr_mask, struct ib_udata *udata);
788 int mlx4_ib_query_srq(struct ib_srq *srq, struct ib_srq_attr *srq_attr);
789 int mlx4_ib_destroy_srq(struct ib_srq *srq);
790 void mlx4_ib_free_srq_wqe(struct mlx4_ib_srq *srq, int wqe_index);
791 int mlx4_ib_post_srq_recv(struct ib_srq *ibsrq, struct ib_recv_wr *wr,
792 struct ib_recv_wr **bad_wr);
793
794 struct ib_qp *mlx4_ib_create_qp(struct ib_pd *pd,
795 struct ib_qp_init_attr *init_attr,
796 struct ib_udata *udata);
797 int mlx4_ib_destroy_qp(struct ib_qp *qp);
798 int mlx4_ib_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr,
799 int attr_mask, struct ib_udata *udata);
800 int mlx4_ib_query_qp(struct ib_qp *ibqp, struct ib_qp_attr *qp_attr, int qp_attr_mask,
801 struct ib_qp_init_attr *qp_init_attr);
802 int mlx4_ib_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr,
803 struct ib_send_wr **bad_wr);
804 int mlx4_ib_post_recv(struct ib_qp *ibqp, struct ib_recv_wr *wr,
805 struct ib_recv_wr **bad_wr);
806
807 int mlx4_MAD_IFC(struct mlx4_ib_dev *dev, int mad_ifc_flags,
808 int port, const struct ib_wc *in_wc, const struct ib_grh *in_grh,
809 const void *in_mad, void *response_mad);
810 int mlx4_ib_process_mad(struct ib_device *ibdev, int mad_flags, u8 port_num,
811 const struct ib_wc *in_wc, const struct ib_grh *in_grh,
812 const struct ib_mad_hdr *in, size_t in_mad_size,
813 struct ib_mad_hdr *out, size_t *out_mad_size,
814 u16 *out_mad_pkey_index);
815 int mlx4_ib_mad_init(struct mlx4_ib_dev *dev);
816 void mlx4_ib_mad_cleanup(struct mlx4_ib_dev *dev);
817
818 struct ib_fmr *mlx4_ib_fmr_alloc(struct ib_pd *pd, int mr_access_flags,
819 struct ib_fmr_attr *fmr_attr);
820 int mlx4_ib_map_phys_fmr(struct ib_fmr *ibfmr, u64 *page_list, int npages,
821 u64 iova);
822 int mlx4_ib_unmap_fmr(struct list_head *fmr_list);
823 int mlx4_ib_fmr_dealloc(struct ib_fmr *fmr);
824 int __mlx4_ib_query_port(struct ib_device *ibdev, u8 port,
825 struct ib_port_attr *props, int netw_view);
826 int __mlx4_ib_query_pkey(struct ib_device *ibdev, u8 port, u16 index,
827 u16 *pkey, int netw_view);
828
829 int __mlx4_ib_query_gid(struct ib_device *ibdev, u8 port, int index,
830 union ib_gid *gid, int netw_view);
831
832 static inline bool mlx4_ib_ah_grh_present(struct mlx4_ib_ah *ah)
833 {
834 u8 port = be32_to_cpu(ah->av.ib.port_pd) >> 24 & 3;
835
836 if (rdma_port_get_link_layer(ah->ibah.device, port) == IB_LINK_LAYER_ETHERNET)
837 return true;
838
839 return !!(ah->av.ib.g_slid & 0x80);
840 }
841
842 int mlx4_ib_mcg_port_init(struct mlx4_ib_demux_ctx *ctx);
843 void mlx4_ib_mcg_port_cleanup(struct mlx4_ib_demux_ctx *ctx, int destroy_wq);
844 void clean_vf_mcast(struct mlx4_ib_demux_ctx *ctx, int slave);
845 int mlx4_ib_mcg_init(void);
846 void mlx4_ib_mcg_destroy(void);
847
848 int mlx4_ib_find_real_gid(struct ib_device *ibdev, u8 port, __be64 guid);
849
850 int mlx4_ib_mcg_multiplex_handler(struct ib_device *ibdev, int port, int slave,
851 struct ib_sa_mad *sa_mad);
852 int mlx4_ib_mcg_demux_handler(struct ib_device *ibdev, int port, int slave,
853 struct ib_sa_mad *mad);
854
855 int mlx4_ib_add_mc(struct mlx4_ib_dev *mdev, struct mlx4_ib_qp *mqp,
856 union ib_gid *gid);
857
858 void mlx4_ib_dispatch_event(struct mlx4_ib_dev *dev, u8 port_num,
859 enum ib_event_type type);
860
861 void mlx4_ib_tunnels_update_work(struct work_struct *work);
862
863 int mlx4_ib_send_to_slave(struct mlx4_ib_dev *dev, int slave, u8 port,
864 enum ib_qp_type qpt, struct ib_wc *wc,
865 struct ib_grh *grh, struct ib_mad *mad);
866
867 int mlx4_ib_send_to_wire(struct mlx4_ib_dev *dev, int slave, u8 port,
868 enum ib_qp_type dest_qpt, u16 pkey_index, u32 remote_qpn,
869 u32 qkey, struct rdma_ah_attr *attr, u8 *s_mac,
870 u16 vlan_id, struct ib_mad *mad);
871
872 __be64 mlx4_ib_get_new_demux_tid(struct mlx4_ib_demux_ctx *ctx);
873
874 int mlx4_ib_demux_cm_handler(struct ib_device *ibdev, int port, int *slave,
875 struct ib_mad *mad);
876
877 int mlx4_ib_multiplex_cm_handler(struct ib_device *ibdev, int port, int slave_id,
878 struct ib_mad *mad);
879
880 void mlx4_ib_cm_paravirt_init(struct mlx4_ib_dev *dev);
881 void mlx4_ib_cm_paravirt_clean(struct mlx4_ib_dev *dev, int slave_id);
882
883 /* alias guid support */
884 void mlx4_ib_init_alias_guid_work(struct mlx4_ib_dev *dev, int port);
885 int mlx4_ib_init_alias_guid_service(struct mlx4_ib_dev *dev);
886 void mlx4_ib_destroy_alias_guid_service(struct mlx4_ib_dev *dev);
887 void mlx4_ib_invalidate_all_guid_record(struct mlx4_ib_dev *dev, int port);
888
889 void mlx4_ib_notify_slaves_on_guid_change(struct mlx4_ib_dev *dev,
890 int block_num,
891 u8 port_num, u8 *p_data);
892
893 void mlx4_ib_update_cache_on_guid_change(struct mlx4_ib_dev *dev,
894 int block_num, u8 port_num,
895 u8 *p_data);
896
897 int add_sysfs_port_mcg_attr(struct mlx4_ib_dev *device, int port_num,
898 struct attribute *attr);
899 void del_sysfs_port_mcg_attr(struct mlx4_ib_dev *device, int port_num,
900 struct attribute *attr);
901 ib_sa_comp_mask mlx4_ib_get_aguid_comp_mask_from_ix(int index);
902 void mlx4_ib_slave_alias_guid_event(struct mlx4_ib_dev *dev, int slave,
903 int port, int slave_init);
904
905 int mlx4_ib_device_register_sysfs(struct mlx4_ib_dev *device) ;
906
907 void mlx4_ib_device_unregister_sysfs(struct mlx4_ib_dev *device);
908
909 __be64 mlx4_ib_gen_node_guid(void);
910
911 int mlx4_ib_steer_qp_alloc(struct mlx4_ib_dev *dev, int count, int *qpn);
912 void mlx4_ib_steer_qp_free(struct mlx4_ib_dev *dev, u32 qpn, int count);
913 int mlx4_ib_steer_qp_reg(struct mlx4_ib_dev *mdev, struct mlx4_ib_qp *mqp,
914 int is_attach);
915 int mlx4_ib_rereg_user_mr(struct ib_mr *mr, int flags,
916 u64 start, u64 length, u64 virt_addr,
917 int mr_access_flags, struct ib_pd *pd,
918 struct ib_udata *udata);
919 int mlx4_ib_gid_index_to_real_index(struct mlx4_ib_dev *ibdev,
920 u8 port_num, int index);
921
922 void mlx4_sched_ib_sl2vl_update_work(struct mlx4_ib_dev *ibdev,
923 int port);
924
925 void mlx4_ib_sl2vl_update(struct mlx4_ib_dev *mdev, int port);
926
927 struct ib_wq *mlx4_ib_create_wq(struct ib_pd *pd,
928 struct ib_wq_init_attr *init_attr,
929 struct ib_udata *udata);
930 int mlx4_ib_destroy_wq(struct ib_wq *wq);
931 int mlx4_ib_modify_wq(struct ib_wq *wq, struct ib_wq_attr *wq_attr,
932 u32 wq_attr_mask, struct ib_udata *udata);
933
934 struct ib_rwq_ind_table
935 *mlx4_ib_create_rwq_ind_table(struct ib_device *device,
936 struct ib_rwq_ind_table_init_attr *init_attr,
937 struct ib_udata *udata);
938 int mlx4_ib_destroy_rwq_ind_table(struct ib_rwq_ind_table *wq_ind_table);
939 int mlx4_ib_umem_calc_optimal_mtt_size(struct ib_umem *umem, u64 start_va,
940 int *num_of_mtts);
941
942 #endif /* MLX4_IB_H */
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