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of: MSI: Simplify irqdomain lookup
[linux/fpc-iii.git] / drivers / infiniband / hw / mlx4 / mlx4_ib.h
blob1caa11edac03347a246467436daa72dd18d5c505
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
50 #define MLX4_IB_DRV_NAME "mlx4_ib"
51
52 #ifdef pr_fmt
53 #undef pr_fmt
54 #endif
55 #define pr_fmt(fmt) "<" MLX4_IB_DRV_NAME "> %s: " fmt, __func__
56
57 #define mlx4_ib_warn(ibdev, format, arg...) \
58 dev_warn((ibdev)->dma_device, MLX4_IB_DRV_NAME ": " format, ## arg)
59
60 enum {
61 MLX4_IB_SQ_MIN_WQE_SHIFT = 6,
62 MLX4_IB_MAX_HEADROOM = 2048
63 };
64
65 #define MLX4_IB_SQ_HEADROOM(shift) ((MLX4_IB_MAX_HEADROOM >> (shift)) + 1)
66 #define MLX4_IB_SQ_MAX_SPARE (MLX4_IB_SQ_HEADROOM(MLX4_IB_SQ_MIN_WQE_SHIFT))
67
68 /*module param to indicate if SM assigns the alias_GUID*/
69 extern int mlx4_ib_sm_guid_assign;
70
71 #define MLX4_IB_UC_STEER_QPN_ALIGN 1
72 #define MLX4_IB_UC_MAX_NUM_QPS 256
73
74 enum hw_bar_type {
75 HW_BAR_BF,
76 HW_BAR_DB,
77 HW_BAR_CLOCK,
78 HW_BAR_COUNT
79 };
80
81 struct mlx4_ib_vma_private_data {
82 struct vm_area_struct *vma;
83 };
84
85 struct mlx4_ib_ucontext {
86 struct ib_ucontext ibucontext;
87 struct mlx4_uar uar;
88 struct list_head db_page_list;
89 struct mutex db_page_mutex;
90 struct mlx4_ib_vma_private_data hw_bar_info[HW_BAR_COUNT];
91 };
92
93 struct mlx4_ib_pd {
94 struct ib_pd ibpd;
95 u32 pdn;
96 };
97
98 struct mlx4_ib_xrcd {
99 struct ib_xrcd ibxrcd;
100 u32 xrcdn;
101 struct ib_pd *pd;
102 struct ib_cq *cq;
103 };
104
105 struct mlx4_ib_cq_buf {
106 struct mlx4_buf buf;
107 struct mlx4_mtt mtt;
108 int entry_size;
109 };
110
111 struct mlx4_ib_cq_resize {
112 struct mlx4_ib_cq_buf buf;
113 int cqe;
114 };
115
116 struct mlx4_ib_cq {
117 struct ib_cq ibcq;
118 struct mlx4_cq mcq;
119 struct mlx4_ib_cq_buf buf;
120 struct mlx4_ib_cq_resize *resize_buf;
121 struct mlx4_db db;
122 spinlock_t lock;
123 struct mutex resize_mutex;
124 struct ib_umem *umem;
125 struct ib_umem *resize_umem;
126 int create_flags;
127 /* List of qps that it serves.*/
128 struct list_head send_qp_list;
129 struct list_head recv_qp_list;
130 };
131
132 #define MLX4_MR_PAGES_ALIGN 0x40
133
134 struct mlx4_ib_mr {
135 struct ib_mr ibmr;
136 __be64 *pages;
137 dma_addr_t page_map;
138 u32 npages;
139 u32 max_pages;
140 struct mlx4_mr mmr;
141 struct ib_umem *umem;
142 void *pages_alloc;
143 };
144
145 struct mlx4_ib_mw {
146 struct ib_mw ibmw;
147 struct mlx4_mw mmw;
148 };
149
150 struct mlx4_ib_fmr {
151 struct ib_fmr ibfmr;
152 struct mlx4_fmr mfmr;
153 };
154
155 #define MAX_REGS_PER_FLOW 2
156
157 struct mlx4_flow_reg_id {
158 u64 id;
159 u64 mirror;
160 };
161
162 struct mlx4_ib_flow {
163 struct ib_flow ibflow;
164 /* translating DMFS verbs sniffer rule to FW API requires two reg IDs */
165 struct mlx4_flow_reg_id reg_id[MAX_REGS_PER_FLOW];
166 };
167
168 struct mlx4_ib_wq {
169 u64 *wrid;
170 spinlock_t lock;
171 int wqe_cnt;
172 int max_post;
173 int max_gs;
174 int offset;
175 int wqe_shift;
176 unsigned head;
177 unsigned tail;
178 };
179
180 enum mlx4_ib_qp_flags {
181 MLX4_IB_QP_LSO = IB_QP_CREATE_IPOIB_UD_LSO,
182 MLX4_IB_QP_BLOCK_MULTICAST_LOOPBACK = IB_QP_CREATE_BLOCK_MULTICAST_LOOPBACK,
183 MLX4_IB_QP_NETIF = IB_QP_CREATE_NETIF_QP,
184 MLX4_IB_QP_CREATE_USE_GFP_NOIO = IB_QP_CREATE_USE_GFP_NOIO,
185 MLX4_IB_SRIOV_TUNNEL_QP = 1 << 30,
186 MLX4_IB_SRIOV_SQP = 1 << 31,
187 };
188
189 struct mlx4_ib_gid_entry {
190 struct list_head list;
191 union ib_gid gid;
192 int added;
193 u8 port;
194 };
195
196 enum mlx4_ib_qp_type {
197 /*
198 * IB_QPT_SMI and IB_QPT_GSI have to be the first two entries
199 * here (and in that order) since the MAD layer uses them as
200 * indices into a 2-entry table.
201 */
202 MLX4_IB_QPT_SMI = IB_QPT_SMI,
203 MLX4_IB_QPT_GSI = IB_QPT_GSI,
204
205 MLX4_IB_QPT_RC = IB_QPT_RC,
206 MLX4_IB_QPT_UC = IB_QPT_UC,
207 MLX4_IB_QPT_UD = IB_QPT_UD,
208 MLX4_IB_QPT_RAW_IPV6 = IB_QPT_RAW_IPV6,
209 MLX4_IB_QPT_RAW_ETHERTYPE = IB_QPT_RAW_ETHERTYPE,
210 MLX4_IB_QPT_RAW_PACKET = IB_QPT_RAW_PACKET,
211 MLX4_IB_QPT_XRC_INI = IB_QPT_XRC_INI,
212 MLX4_IB_QPT_XRC_TGT = IB_QPT_XRC_TGT,
213
214 MLX4_IB_QPT_PROXY_SMI_OWNER = 1 << 16,
215 MLX4_IB_QPT_PROXY_SMI = 1 << 17,
216 MLX4_IB_QPT_PROXY_GSI = 1 << 18,
217 MLX4_IB_QPT_TUN_SMI_OWNER = 1 << 19,
218 MLX4_IB_QPT_TUN_SMI = 1 << 20,
219 MLX4_IB_QPT_TUN_GSI = 1 << 21,
220 };
221
222 #define MLX4_IB_QPT_ANY_SRIOV (MLX4_IB_QPT_PROXY_SMI_OWNER | \
223 MLX4_IB_QPT_PROXY_SMI | MLX4_IB_QPT_PROXY_GSI | MLX4_IB_QPT_TUN_SMI_OWNER | \
224 MLX4_IB_QPT_TUN_SMI | MLX4_IB_QPT_TUN_GSI)
225
226 enum mlx4_ib_mad_ifc_flags {
227 MLX4_MAD_IFC_IGNORE_MKEY = 1,
228 MLX4_MAD_IFC_IGNORE_BKEY = 2,
229 MLX4_MAD_IFC_IGNORE_KEYS = (MLX4_MAD_IFC_IGNORE_MKEY |
230 MLX4_MAD_IFC_IGNORE_BKEY),
231 MLX4_MAD_IFC_NET_VIEW = 4,
232 };
233
234 enum {
235 MLX4_NUM_TUNNEL_BUFS = 256,
236 };
237
238 struct mlx4_ib_tunnel_header {
239 struct mlx4_av av;
240 __be32 remote_qpn;
241 __be32 qkey;
242 __be16 vlan;
243 u8 mac[6];
244 __be16 pkey_index;
245 u8 reserved[6];
246 };
247
248 struct mlx4_ib_buf {
249 void *addr;
250 dma_addr_t map;
251 };
252
253 struct mlx4_rcv_tunnel_hdr {
254 __be32 flags_src_qp; /* flags[6:5] is defined for VLANs:
255 * 0x0 - no vlan was in the packet
256 * 0x01 - C-VLAN was in the packet */
257 u8 g_ml_path; /* gid bit stands for ipv6/4 header in RoCE */
258 u8 reserved;
259 __be16 pkey_index;
260 __be16 sl_vid;
261 __be16 slid_mac_47_32;
262 __be32 mac_31_0;
263 };
264
265 struct mlx4_ib_proxy_sqp_hdr {
266 struct ib_grh grh;
267 struct mlx4_rcv_tunnel_hdr tun;
268 } __packed;
269
270 struct mlx4_roce_smac_vlan_info {
271 u64 smac;
272 int smac_index;
273 int smac_port;
274 u64 candidate_smac;
275 int candidate_smac_index;
276 int candidate_smac_port;
277 u16 vid;
278 int vlan_index;
279 int vlan_port;
280 u16 candidate_vid;
281 int candidate_vlan_index;
282 int candidate_vlan_port;
283 int update_vid;
284 };
285
286 struct mlx4_ib_qp {
287 struct ib_qp ibqp;
288 struct mlx4_qp mqp;
289 struct mlx4_buf buf;
290
291 struct mlx4_db db;
292 struct mlx4_ib_wq rq;
293
294 u32 doorbell_qpn;
295 __be32 sq_signal_bits;
296 unsigned sq_next_wqe;
297 int sq_max_wqes_per_wr;
298 int sq_spare_wqes;
299 struct mlx4_ib_wq sq;
300
301 enum mlx4_ib_qp_type mlx4_ib_qp_type;
302 struct ib_umem *umem;
303 struct mlx4_mtt mtt;
304 int buf_size;
305 struct mutex mutex;
306 u16 xrcdn;
307 u32 flags;
308 u8 port;
309 u8 alt_port;
310 u8 atomic_rd_en;
311 u8 resp_depth;
312 u8 sq_no_prefetch;
313 u8 state;
314 int mlx_type;
315 struct list_head gid_list;
316 struct list_head steering_rules;
317 struct mlx4_ib_buf *sqp_proxy_rcv;
318 struct mlx4_roce_smac_vlan_info pri;
319 struct mlx4_roce_smac_vlan_info alt;
320 u64 reg_id;
321 struct list_head qps_list;
322 struct list_head cq_recv_list;
323 struct list_head cq_send_list;
324 struct counter_index *counter_index;
325 };
326
327 struct mlx4_ib_srq {
328 struct ib_srq ibsrq;
329 struct mlx4_srq msrq;
330 struct mlx4_buf buf;
331 struct mlx4_db db;
332 u64 *wrid;
333 spinlock_t lock;
334 int head;
335 int tail;
336 u16 wqe_ctr;
337 struct ib_umem *umem;
338 struct mlx4_mtt mtt;
339 struct mutex mutex;
340 };
341
342 struct mlx4_ib_ah {
343 struct ib_ah ibah;
344 union mlx4_ext_av av;
345 };
346
347 /****************************************/
348 /* alias guid support */
349 /****************************************/
350 #define NUM_PORT_ALIAS_GUID 2
351 #define NUM_ALIAS_GUID_IN_REC 8
352 #define NUM_ALIAS_GUID_REC_IN_PORT 16
353 #define GUID_REC_SIZE 8
354 #define NUM_ALIAS_GUID_PER_PORT 128
355 #define MLX4_NOT_SET_GUID (0x00LL)
356 #define MLX4_GUID_FOR_DELETE_VAL (~(0x00LL))
357
358 enum mlx4_guid_alias_rec_status {
359 MLX4_GUID_INFO_STATUS_IDLE,
360 MLX4_GUID_INFO_STATUS_SET,
361 };
362
363 #define GUID_STATE_NEED_PORT_INIT 0x01
364
365 enum mlx4_guid_alias_rec_method {
366 MLX4_GUID_INFO_RECORD_SET = IB_MGMT_METHOD_SET,
367 MLX4_GUID_INFO_RECORD_DELETE = IB_SA_METHOD_DELETE,
368 };
369
370 struct mlx4_sriov_alias_guid_info_rec_det {
371 u8 all_recs[GUID_REC_SIZE * NUM_ALIAS_GUID_IN_REC];
372 ib_sa_comp_mask guid_indexes; /*indicates what from the 8 records are valid*/
373 enum mlx4_guid_alias_rec_status status; /*indicates the administraively status of the record.*/
374 unsigned int guids_retry_schedule[NUM_ALIAS_GUID_IN_REC];
375 u64 time_to_run;
376 };
377
378 struct mlx4_sriov_alias_guid_port_rec_det {
379 struct mlx4_sriov_alias_guid_info_rec_det all_rec_per_port[NUM_ALIAS_GUID_REC_IN_PORT];
380 struct workqueue_struct *wq;
381 struct delayed_work alias_guid_work;
382 u8 port;
383 u32 state_flags;
384 struct mlx4_sriov_alias_guid *parent;
385 struct list_head cb_list;
386 };
387
388 struct mlx4_sriov_alias_guid {
389 struct mlx4_sriov_alias_guid_port_rec_det ports_guid[MLX4_MAX_PORTS];
390 spinlock_t ag_work_lock;
391 struct ib_sa_client *sa_client;
392 };
393
394 struct mlx4_ib_demux_work {
395 struct work_struct work;
396 struct mlx4_ib_dev *dev;
397 int slave;
398 int do_init;
399 u8 port;
400
401 };
402
403 struct mlx4_ib_tun_tx_buf {
404 struct mlx4_ib_buf buf;
405 struct ib_ah *ah;
406 };
407
408 struct mlx4_ib_demux_pv_qp {
409 struct ib_qp *qp;
410 enum ib_qp_type proxy_qpt;
411 struct mlx4_ib_buf *ring;
412 struct mlx4_ib_tun_tx_buf *tx_ring;
413 spinlock_t tx_lock;
414 unsigned tx_ix_head;
415 unsigned tx_ix_tail;
416 };
417
418 enum mlx4_ib_demux_pv_state {
419 DEMUX_PV_STATE_DOWN,
420 DEMUX_PV_STATE_STARTING,
421 DEMUX_PV_STATE_ACTIVE,
422 DEMUX_PV_STATE_DOWNING,
423 };
424
425 struct mlx4_ib_demux_pv_ctx {
426 int port;
427 int slave;
428 enum mlx4_ib_demux_pv_state state;
429 int has_smi;
430 struct ib_device *ib_dev;
431 struct ib_cq *cq;
432 struct ib_pd *pd;
433 struct work_struct work;
434 struct workqueue_struct *wq;
435 struct mlx4_ib_demux_pv_qp qp[2];
436 };
437
438 struct mlx4_ib_demux_ctx {
439 struct ib_device *ib_dev;
440 int port;
441 struct workqueue_struct *wq;
442 struct workqueue_struct *ud_wq;
443 spinlock_t ud_lock;
444 __be64 subnet_prefix;
445 __be64 guid_cache[128];
446 struct mlx4_ib_dev *dev;
447 /* the following lock protects both mcg_table and mcg_mgid0_list */
448 struct mutex mcg_table_lock;
449 struct rb_root mcg_table;
450 struct list_head mcg_mgid0_list;
451 struct workqueue_struct *mcg_wq;
452 struct mlx4_ib_demux_pv_ctx **tun;
453 atomic_t tid;
454 int flushing; /* flushing the work queue */
455 };
456
457 struct mlx4_ib_sriov {
458 struct mlx4_ib_demux_ctx demux[MLX4_MAX_PORTS];
459 struct mlx4_ib_demux_pv_ctx *sqps[MLX4_MAX_PORTS];
460 /* when using this spinlock you should use "irq" because
461 * it may be called from interrupt context.*/
462 spinlock_t going_down_lock;
463 int is_going_down;
464
465 struct mlx4_sriov_alias_guid alias_guid;
466
467 /* CM paravirtualization fields */
468 struct list_head cm_list;
469 spinlock_t id_map_lock;
470 struct rb_root sl_id_map;
471 struct idr pv_id_table;
472 };
473
474 struct gid_cache_context {
475 int real_index;
476 int refcount;
477 };
478
479 struct gid_entry {
480 union ib_gid gid;
481 struct gid_cache_context *ctx;
482 };
483
484 struct mlx4_port_gid_table {
485 struct gid_entry gids[MLX4_MAX_PORT_GIDS];
486 };
487
488 struct mlx4_ib_iboe {
489 spinlock_t lock;
490 struct net_device *netdevs[MLX4_MAX_PORTS];
491 atomic64_t mac[MLX4_MAX_PORTS];
492 struct notifier_block nb;
493 struct mlx4_port_gid_table gids[MLX4_MAX_PORTS];
494 };
495
496 struct pkey_mgt {
497 u8 virt2phys_pkey[MLX4_MFUNC_MAX][MLX4_MAX_PORTS][MLX4_MAX_PORT_PKEYS];
498 u16 phys_pkey_cache[MLX4_MAX_PORTS][MLX4_MAX_PORT_PKEYS];
499 struct list_head pkey_port_list[MLX4_MFUNC_MAX];
500 struct kobject *device_parent[MLX4_MFUNC_MAX];
501 };
502
503 struct mlx4_ib_iov_sysfs_attr {
504 void *ctx;
505 struct kobject *kobj;
506 unsigned long data;
507 u32 entry_num;
508 char name[15];
509 struct device_attribute dentry;
510 struct device *dev;
511 };
512
513 struct mlx4_ib_iov_sysfs_attr_ar {
514 struct mlx4_ib_iov_sysfs_attr dentries[3 * NUM_ALIAS_GUID_PER_PORT + 1];
515 };
516
517 struct mlx4_ib_iov_port {
518 char name[100];
519 u8 num;
520 struct mlx4_ib_dev *dev;
521 struct list_head list;
522 struct mlx4_ib_iov_sysfs_attr_ar *dentr_ar;
523 struct ib_port_attr attr;
524 struct kobject *cur_port;
525 struct kobject *admin_alias_parent;
526 struct kobject *gids_parent;
527 struct kobject *pkeys_parent;
528 struct kobject *mcgs_parent;
529 struct mlx4_ib_iov_sysfs_attr mcg_dentry;
530 };
531
532 struct counter_index {
533 struct list_head list;
534 u32 index;
535 u8 allocated;
536 };
537
538 struct mlx4_ib_counters {
539 struct list_head counters_list;
540 struct mutex mutex; /* mutex for accessing counters list */
541 u32 default_counter;
542 };
543
544 struct mlx4_ib_dev {
545 struct ib_device ib_dev;
546 struct mlx4_dev *dev;
547 int num_ports;
548 void __iomem *uar_map;
549
550 struct mlx4_uar priv_uar;
551 u32 priv_pdn;
552 MLX4_DECLARE_DOORBELL_LOCK(uar_lock);
553
554 struct ib_mad_agent *send_agent[MLX4_MAX_PORTS][2];
555 struct ib_ah *sm_ah[MLX4_MAX_PORTS];
556 spinlock_t sm_lock;
557 struct mlx4_ib_sriov sriov;
558
559 struct mutex cap_mask_mutex;
560 bool ib_active;
561 struct mlx4_ib_iboe iboe;
562 struct mlx4_ib_counters counters_table[MLX4_MAX_PORTS];
563 int *eq_table;
564 struct kobject *iov_parent;
565 struct kobject *ports_parent;
566 struct kobject *dev_ports_parent[MLX4_MFUNC_MAX];
567 struct mlx4_ib_iov_port iov_ports[MLX4_MAX_PORTS];
568 struct pkey_mgt pkeys;
569 unsigned long *ib_uc_qpns_bitmap;
570 int steer_qpn_count;
571 int steer_qpn_base;
572 int steering_support;
573 struct mlx4_ib_qp *qp1_proxy[MLX4_MAX_PORTS];
574 /* lock when destroying qp1_proxy and getting netdev events */
575 struct mutex qp1_proxy_lock[MLX4_MAX_PORTS];
576 u8 bond_next_port;
577 /* protect resources needed as part of reset flow */
578 spinlock_t reset_flow_resource_lock;
579 struct list_head qp_list;
580 };
581
582 struct ib_event_work {
583 struct work_struct work;
584 struct mlx4_ib_dev *ib_dev;
585 struct mlx4_eqe ib_eqe;
586 };
587
588 struct mlx4_ib_qp_tunnel_init_attr {
589 struct ib_qp_init_attr init_attr;
590 int slave;
591 enum ib_qp_type proxy_qp_type;
592 u8 port;
593 };
594
595 struct mlx4_uverbs_ex_query_device {
596 __u32 comp_mask;
597 __u32 reserved;
598 };
599
600 enum query_device_resp_mask {
601 QUERY_DEVICE_RESP_MASK_TIMESTAMP = 1UL << 0,
602 };
603
604 struct mlx4_uverbs_ex_query_device_resp {
605 __u32 comp_mask;
606 __u32 response_length;
607 __u64 hca_core_clock_offset;
608 };
609
610 static inline struct mlx4_ib_dev *to_mdev(struct ib_device *ibdev)
611 {
612 return container_of(ibdev, struct mlx4_ib_dev, ib_dev);
613 }
614
615 static inline struct mlx4_ib_ucontext *to_mucontext(struct ib_ucontext *ibucontext)
616 {
617 return container_of(ibucontext, struct mlx4_ib_ucontext, ibucontext);
618 }
619
620 static inline struct mlx4_ib_pd *to_mpd(struct ib_pd *ibpd)
621 {
622 return container_of(ibpd, struct mlx4_ib_pd, ibpd);
623 }
624
625 static inline struct mlx4_ib_xrcd *to_mxrcd(struct ib_xrcd *ibxrcd)
626 {
627 return container_of(ibxrcd, struct mlx4_ib_xrcd, ibxrcd);
628 }
629
630 static inline struct mlx4_ib_cq *to_mcq(struct ib_cq *ibcq)
631 {
632 return container_of(ibcq, struct mlx4_ib_cq, ibcq);
633 }
634
635 static inline struct mlx4_ib_cq *to_mibcq(struct mlx4_cq *mcq)
636 {
637 return container_of(mcq, struct mlx4_ib_cq, mcq);
638 }
639
640 static inline struct mlx4_ib_mr *to_mmr(struct ib_mr *ibmr)
641 {
642 return container_of(ibmr, struct mlx4_ib_mr, ibmr);
643 }
644
645 static inline struct mlx4_ib_mw *to_mmw(struct ib_mw *ibmw)
646 {
647 return container_of(ibmw, struct mlx4_ib_mw, ibmw);
648 }
649
650 static inline struct mlx4_ib_fmr *to_mfmr(struct ib_fmr *ibfmr)
651 {
652 return container_of(ibfmr, struct mlx4_ib_fmr, ibfmr);
653 }
654
655 static inline struct mlx4_ib_flow *to_mflow(struct ib_flow *ibflow)
656 {
657 return container_of(ibflow, struct mlx4_ib_flow, ibflow);
658 }
659
660 static inline struct mlx4_ib_qp *to_mqp(struct ib_qp *ibqp)
661 {
662 return container_of(ibqp, struct mlx4_ib_qp, ibqp);
663 }
664
665 static inline struct mlx4_ib_qp *to_mibqp(struct mlx4_qp *mqp)
666 {
667 return container_of(mqp, struct mlx4_ib_qp, mqp);
668 }
669
670 static inline struct mlx4_ib_srq *to_msrq(struct ib_srq *ibsrq)
671 {
672 return container_of(ibsrq, struct mlx4_ib_srq, ibsrq);
673 }
674
675 static inline struct mlx4_ib_srq *to_mibsrq(struct mlx4_srq *msrq)
676 {
677 return container_of(msrq, struct mlx4_ib_srq, msrq);
678 }
679
680 static inline struct mlx4_ib_ah *to_mah(struct ib_ah *ibah)
681 {
682 return container_of(ibah, struct mlx4_ib_ah, ibah);
683 }
684
685 static inline u8 mlx4_ib_bond_next_port(struct mlx4_ib_dev *dev)
686 {
687 dev->bond_next_port = (dev->bond_next_port + 1) % dev->num_ports;
688
689 return dev->bond_next_port + 1;
690 }
691
692 int mlx4_ib_init_sriov(struct mlx4_ib_dev *dev);
693 void mlx4_ib_close_sriov(struct mlx4_ib_dev *dev);
694
695 int mlx4_ib_db_map_user(struct mlx4_ib_ucontext *context, unsigned long virt,
696 struct mlx4_db *db);
697 void mlx4_ib_db_unmap_user(struct mlx4_ib_ucontext *context, struct mlx4_db *db);
698
699 struct ib_mr *mlx4_ib_get_dma_mr(struct ib_pd *pd, int acc);
700 int mlx4_ib_umem_write_mtt(struct mlx4_ib_dev *dev, struct mlx4_mtt *mtt,
701 struct ib_umem *umem);
702 struct ib_mr *mlx4_ib_reg_user_mr(struct ib_pd *pd, u64 start, u64 length,
703 u64 virt_addr, int access_flags,
704 struct ib_udata *udata);
705 int mlx4_ib_dereg_mr(struct ib_mr *mr);
706 struct ib_mw *mlx4_ib_alloc_mw(struct ib_pd *pd, enum ib_mw_type type);
707 int mlx4_ib_bind_mw(struct ib_qp *qp, struct ib_mw *mw,
708 struct ib_mw_bind *mw_bind);
709 int mlx4_ib_dealloc_mw(struct ib_mw *mw);
710 struct ib_mr *mlx4_ib_alloc_mr(struct ib_pd *pd,
711 enum ib_mr_type mr_type,
712 u32 max_num_sg);
713 int mlx4_ib_map_mr_sg(struct ib_mr *ibmr,
714 struct scatterlist *sg,
715 int sg_nents);
716 int mlx4_ib_modify_cq(struct ib_cq *cq, u16 cq_count, u16 cq_period);
717 int mlx4_ib_resize_cq(struct ib_cq *ibcq, int entries, struct ib_udata *udata);
718 struct ib_cq *mlx4_ib_create_cq(struct ib_device *ibdev,
719 const struct ib_cq_init_attr *attr,
720 struct ib_ucontext *context,
721 struct ib_udata *udata);
722 int mlx4_ib_destroy_cq(struct ib_cq *cq);
723 int mlx4_ib_poll_cq(struct ib_cq *ibcq, int num_entries, struct ib_wc *wc);
724 int mlx4_ib_arm_cq(struct ib_cq *cq, enum ib_cq_notify_flags flags);
725 void __mlx4_ib_cq_clean(struct mlx4_ib_cq *cq, u32 qpn, struct mlx4_ib_srq *srq);
726 void mlx4_ib_cq_clean(struct mlx4_ib_cq *cq, u32 qpn, struct mlx4_ib_srq *srq);
727
728 struct ib_ah *mlx4_ib_create_ah(struct ib_pd *pd, struct ib_ah_attr *ah_attr);
729 int mlx4_ib_query_ah(struct ib_ah *ibah, struct ib_ah_attr *ah_attr);
730 int mlx4_ib_destroy_ah(struct ib_ah *ah);
731
732 struct ib_srq *mlx4_ib_create_srq(struct ib_pd *pd,
733 struct ib_srq_init_attr *init_attr,
734 struct ib_udata *udata);
735 int mlx4_ib_modify_srq(struct ib_srq *ibsrq, struct ib_srq_attr *attr,
736 enum ib_srq_attr_mask attr_mask, struct ib_udata *udata);
737 int mlx4_ib_query_srq(struct ib_srq *srq, struct ib_srq_attr *srq_attr);
738 int mlx4_ib_destroy_srq(struct ib_srq *srq);
739 void mlx4_ib_free_srq_wqe(struct mlx4_ib_srq *srq, int wqe_index);
740 int mlx4_ib_post_srq_recv(struct ib_srq *ibsrq, struct ib_recv_wr *wr,
741 struct ib_recv_wr **bad_wr);
742
743 struct ib_qp *mlx4_ib_create_qp(struct ib_pd *pd,
744 struct ib_qp_init_attr *init_attr,
745 struct ib_udata *udata);
746 int mlx4_ib_destroy_qp(struct ib_qp *qp);
747 int mlx4_ib_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr,
748 int attr_mask, struct ib_udata *udata);
749 int mlx4_ib_query_qp(struct ib_qp *ibqp, struct ib_qp_attr *qp_attr, int qp_attr_mask,
750 struct ib_qp_init_attr *qp_init_attr);
751 int mlx4_ib_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr,
752 struct ib_send_wr **bad_wr);
753 int mlx4_ib_post_recv(struct ib_qp *ibqp, struct ib_recv_wr *wr,
754 struct ib_recv_wr **bad_wr);
755
756 int mlx4_MAD_IFC(struct mlx4_ib_dev *dev, int mad_ifc_flags,
757 int port, const struct ib_wc *in_wc, const struct ib_grh *in_grh,
758 const void *in_mad, void *response_mad);
759 int mlx4_ib_process_mad(struct ib_device *ibdev, int mad_flags, u8 port_num,
760 const struct ib_wc *in_wc, const struct ib_grh *in_grh,
761 const struct ib_mad_hdr *in, size_t in_mad_size,
762 struct ib_mad_hdr *out, size_t *out_mad_size,
763 u16 *out_mad_pkey_index);
764 int mlx4_ib_mad_init(struct mlx4_ib_dev *dev);
765 void mlx4_ib_mad_cleanup(struct mlx4_ib_dev *dev);
766
767 struct ib_fmr *mlx4_ib_fmr_alloc(struct ib_pd *pd, int mr_access_flags,
768 struct ib_fmr_attr *fmr_attr);
769 int mlx4_ib_map_phys_fmr(struct ib_fmr *ibfmr, u64 *page_list, int npages,
770 u64 iova);
771 int mlx4_ib_unmap_fmr(struct list_head *fmr_list);
772 int mlx4_ib_fmr_dealloc(struct ib_fmr *fmr);
773 int __mlx4_ib_query_port(struct ib_device *ibdev, u8 port,
774 struct ib_port_attr *props, int netw_view);
775 int __mlx4_ib_query_pkey(struct ib_device *ibdev, u8 port, u16 index,
776 u16 *pkey, int netw_view);
777
778 int __mlx4_ib_query_gid(struct ib_device *ibdev, u8 port, int index,
779 union ib_gid *gid, int netw_view);
780
781 static inline bool mlx4_ib_ah_grh_present(struct mlx4_ib_ah *ah)
782 {
783 u8 port = be32_to_cpu(ah->av.ib.port_pd) >> 24 & 3;
784
785 if (rdma_port_get_link_layer(ah->ibah.device, port) == IB_LINK_LAYER_ETHERNET)
786 return true;
787
788 return !!(ah->av.ib.g_slid & 0x80);
789 }
790
791 int mlx4_ib_mcg_port_init(struct mlx4_ib_demux_ctx *ctx);
792 void mlx4_ib_mcg_port_cleanup(struct mlx4_ib_demux_ctx *ctx, int destroy_wq);
793 void clean_vf_mcast(struct mlx4_ib_demux_ctx *ctx, int slave);
794 int mlx4_ib_mcg_init(void);
795 void mlx4_ib_mcg_destroy(void);
796
797 int mlx4_ib_find_real_gid(struct ib_device *ibdev, u8 port, __be64 guid);
798
799 int mlx4_ib_mcg_multiplex_handler(struct ib_device *ibdev, int port, int slave,
800 struct ib_sa_mad *sa_mad);
801 int mlx4_ib_mcg_demux_handler(struct ib_device *ibdev, int port, int slave,
802 struct ib_sa_mad *mad);
803
804 int mlx4_ib_add_mc(struct mlx4_ib_dev *mdev, struct mlx4_ib_qp *mqp,
805 union ib_gid *gid);
806
807 void mlx4_ib_dispatch_event(struct mlx4_ib_dev *dev, u8 port_num,
808 enum ib_event_type type);
809
810 void mlx4_ib_tunnels_update_work(struct work_struct *work);
811
812 int mlx4_ib_send_to_slave(struct mlx4_ib_dev *dev, int slave, u8 port,
813 enum ib_qp_type qpt, struct ib_wc *wc,
814 struct ib_grh *grh, struct ib_mad *mad);
815
816 int mlx4_ib_send_to_wire(struct mlx4_ib_dev *dev, int slave, u8 port,
817 enum ib_qp_type dest_qpt, u16 pkey_index, u32 remote_qpn,
818 u32 qkey, struct ib_ah_attr *attr, u8 *s_mac,
819 u16 vlan_id, struct ib_mad *mad);
820
821 __be64 mlx4_ib_get_new_demux_tid(struct mlx4_ib_demux_ctx *ctx);
822
823 int mlx4_ib_demux_cm_handler(struct ib_device *ibdev, int port, int *slave,
824 struct ib_mad *mad);
825
826 int mlx4_ib_multiplex_cm_handler(struct ib_device *ibdev, int port, int slave_id,
827 struct ib_mad *mad);
828
829 void mlx4_ib_cm_paravirt_init(struct mlx4_ib_dev *dev);
830 void mlx4_ib_cm_paravirt_clean(struct mlx4_ib_dev *dev, int slave_id);
831
832 /* alias guid support */
833 void mlx4_ib_init_alias_guid_work(struct mlx4_ib_dev *dev, int port);
834 int mlx4_ib_init_alias_guid_service(struct mlx4_ib_dev *dev);
835 void mlx4_ib_destroy_alias_guid_service(struct mlx4_ib_dev *dev);
836 void mlx4_ib_invalidate_all_guid_record(struct mlx4_ib_dev *dev, int port);
837
838 void mlx4_ib_notify_slaves_on_guid_change(struct mlx4_ib_dev *dev,
839 int block_num,
840 u8 port_num, u8 *p_data);
841
842 void mlx4_ib_update_cache_on_guid_change(struct mlx4_ib_dev *dev,
843 int block_num, u8 port_num,
844 u8 *p_data);
845
846 int add_sysfs_port_mcg_attr(struct mlx4_ib_dev *device, int port_num,
847 struct attribute *attr);
848 void del_sysfs_port_mcg_attr(struct mlx4_ib_dev *device, int port_num,
849 struct attribute *attr);
850 ib_sa_comp_mask mlx4_ib_get_aguid_comp_mask_from_ix(int index);
851 void mlx4_ib_slave_alias_guid_event(struct mlx4_ib_dev *dev, int slave,
852 int port, int slave_init);
853
854 int mlx4_ib_device_register_sysfs(struct mlx4_ib_dev *device) ;
855
856 void mlx4_ib_device_unregister_sysfs(struct mlx4_ib_dev *device);
857
858 __be64 mlx4_ib_gen_node_guid(void);
859
860 int mlx4_ib_steer_qp_alloc(struct mlx4_ib_dev *dev, int count, int *qpn);
861 void mlx4_ib_steer_qp_free(struct mlx4_ib_dev *dev, u32 qpn, int count);
862 int mlx4_ib_steer_qp_reg(struct mlx4_ib_dev *mdev, struct mlx4_ib_qp *mqp,
863 int is_attach);
864 int mlx4_ib_rereg_user_mr(struct ib_mr *mr, int flags,
865 u64 start, u64 length, u64 virt_addr,
866 int mr_access_flags, struct ib_pd *pd,
867 struct ib_udata *udata);
868 int mlx4_ib_gid_index_to_real_index(struct mlx4_ib_dev *ibdev,
869 u8 port_num, int index);
870
871 #endif /* MLX4_IB_H */
Linux with added FPC-III support