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 #include <linux/rbtree.h>
42 #include <linux/notifier.h>
43
44 #include <rdma/ib_verbs.h>
45 #include <rdma/ib_umem.h>
46 #include <rdma/ib_mad.h>
47 #include <rdma/ib_sa.h>
48
49 #include <linux/mlx4/device.h>
50 #include <linux/mlx4/doorbell.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)->dma_device, MLX4_IB_DRV_NAME ": " format, ## arg)
61
62 #define mlx4_ib_info(ibdev, format, arg...) \
63 dev_info((ibdev)->dma_device, MLX4_IB_DRV_NAME ": " format, ## arg)
64
65 enum {
66 MLX4_IB_SQ_MIN_WQE_SHIFT = 6,
67 MLX4_IB_MAX_HEADROOM = 2048
68 };
69
70 #define MLX4_IB_SQ_HEADROOM(shift) ((MLX4_IB_MAX_HEADROOM >> (shift)) + 1)
71 #define MLX4_IB_SQ_MAX_SPARE (MLX4_IB_SQ_HEADROOM(MLX4_IB_SQ_MIN_WQE_SHIFT))
72
73 /*module param to indicate if SM assigns the alias_GUID*/
74 extern int mlx4_ib_sm_guid_assign;
75 extern struct proc_dir_entry *mlx4_mrs_dir_entry;
76
77 #define MLX4_IB_UC_STEER_QPN_ALIGN 1
78 #define MLX4_IB_UC_MAX_NUM_QPS (256 * 1024)
79
80
81 #define MLX4_IB_MMAP_CMD_MASK 0xFF
82 #define MLX4_IB_MMAP_CMD_BITS 8
83
84 struct mlx4_ib_ucontext {
85 struct ib_ucontext ibucontext;
86 struct mlx4_uar uar;
87 struct list_head db_page_list;
88 struct mutex db_page_mutex;
89 };
90
91 struct mlx4_ib_pd {
92 struct ib_pd ibpd;
93 u32 pdn;
94 };
95
96 struct mlx4_ib_xrcd {
97 struct ib_xrcd ibxrcd;
98 u32 xrcdn;
99 struct ib_pd *pd;
100 struct ib_cq *cq;
101 };
102
103 struct mlx4_ib_cq_buf {
104 struct mlx4_buf buf;
105 struct mlx4_mtt mtt;
106 int entry_size;
107 };
108
109 struct mlx4_ib_cq_resize {
110 struct mlx4_ib_cq_buf buf;
111 int cqe;
112 };
113
114 struct mlx4_shared_mr_info {
115 int mr_id;
116 struct ib_umem *umem;
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 };
131
132 struct mlx4_ib_mr {
133 struct ib_mr ibmr;
134 struct mlx4_mr mmr;
135 struct ib_umem *umem;
136 struct mlx4_shared_mr_info *smr_info;
137 atomic_t invalidated;
138 struct completion invalidation_comp;
139 };
140
141 struct mlx4_ib_mw {
142 struct ib_mw ibmw;
143 struct mlx4_mw mmw;
144 };
145
146 struct mlx4_ib_fast_reg_page_list {
147 struct ib_fast_reg_page_list ibfrpl;
148 __be64 *mapped_page_list;
149 dma_addr_t map;
150 };
151
152 struct mlx4_ib_fmr {
153 struct ib_fmr ibfmr;
154 struct mlx4_fmr mfmr;
155 };
156
157 struct mlx4_ib_flow {
158 struct ib_flow ibflow;
159 /* translating DMFS verbs sniffer rule to FW API requires two reg IDs */
160 u64 reg_id[2];
161 };
162
163 struct mlx4_ib_wq {
164 u64 *wrid;
165 spinlock_t lock;
166 int wqe_cnt;
167 int max_post;
168 int max_gs;
169 int offset;
170 int wqe_shift;
171 unsigned head;
172 unsigned tail;
173 };
174
175 enum mlx4_ib_qp_flags {
176 MLX4_IB_QP_LSO = IB_QP_CREATE_IPOIB_UD_LSO,
177 MLX4_IB_QP_BLOCK_MULTICAST_LOOPBACK = IB_QP_CREATE_BLOCK_MULTICAST_LOOPBACK,
178 MLX4_IB_QP_CAP_CROSS_CHANNEL = IB_QP_CREATE_CROSS_CHANNEL,
179 MLX4_IB_QP_CAP_MANAGED_SEND = IB_QP_CREATE_MANAGED_SEND,
180 MLX4_IB_QP_CAP_MANAGED_RECV = IB_QP_CREATE_MANAGED_RECV,
181 MLX4_IB_QP_NETIF = IB_QP_CREATE_NETIF_QP,
182 MLX4_IB_SRIOV_TUNNEL_QP = 1 << 30,
183 MLX4_IB_SRIOV_SQP = 1 << 31,
184 };
185
186 struct mlx4_ib_gid_entry {
187 struct list_head list;
188 union ib_gid gid;
189 int added;
190 u8 port;
191 };
192
193 enum mlx4_ib_mmap_cmd {
194 MLX4_IB_MMAP_UAR_PAGE = 0,
195 MLX4_IB_MMAP_BLUE_FLAME_PAGE = 1,
196 MLX4_IB_MMAP_GET_CONTIGUOUS_PAGES = 2,
197 MLX4_IB_MMAP_GET_HW_CLOCK = 3,
198 };
199
200 enum mlx4_ib_qp_type {
201 /*
202 * IB_QPT_SMI and IB_QPT_GSI have to be the first two entries
203 * here (and in that order) since the MAD layer uses them as
204 * indices into a 2-entry table.
205 */
206 MLX4_IB_QPT_SMI = IB_QPT_SMI,
207 MLX4_IB_QPT_GSI = IB_QPT_GSI,
208
209 MLX4_IB_QPT_RC = IB_QPT_RC,
210 MLX4_IB_QPT_UC = IB_QPT_UC,
211 MLX4_IB_QPT_UD = IB_QPT_UD,
212 MLX4_IB_QPT_RAW_IPV6 = IB_QPT_RAW_IPV6,
213 MLX4_IB_QPT_RAW_ETHERTYPE = IB_QPT_RAW_ETHERTYPE,
214 MLX4_IB_QPT_RAW_PACKET = IB_QPT_RAW_PACKET,
215 MLX4_IB_QPT_XRC_INI = IB_QPT_XRC_INI,
216 MLX4_IB_QPT_XRC_TGT = IB_QPT_XRC_TGT,
217
218 MLX4_IB_QPT_PROXY_SMI_OWNER = 1 << 16,
219 MLX4_IB_QPT_PROXY_SMI = 1 << 17,
220 MLX4_IB_QPT_PROXY_GSI = 1 << 18,
221 MLX4_IB_QPT_TUN_SMI_OWNER = 1 << 19,
222 MLX4_IB_QPT_TUN_SMI = 1 << 20,
223 MLX4_IB_QPT_TUN_GSI = 1 << 21,
224 };
225
226 #define MLX4_IB_QPT_ANY_SRIOV (MLX4_IB_QPT_PROXY_SMI_OWNER | \
227 MLX4_IB_QPT_PROXY_SMI | MLX4_IB_QPT_PROXY_GSI | MLX4_IB_QPT_TUN_SMI_OWNER | \
228 MLX4_IB_QPT_TUN_SMI | MLX4_IB_QPT_TUN_GSI)
229
230 enum mlx4_ib_mad_ifc_flags {
231 MLX4_MAD_IFC_IGNORE_MKEY = 1,
232 MLX4_MAD_IFC_IGNORE_BKEY = 2,
233 MLX4_MAD_IFC_IGNORE_KEYS = (MLX4_MAD_IFC_IGNORE_MKEY |
234 MLX4_MAD_IFC_IGNORE_BKEY),
235 MLX4_MAD_IFC_NET_VIEW = 4,
236 };
237
238 enum {
239 MLX4_NUM_TUNNEL_BUFS = 256,
240 };
241
242 struct mlx4_ib_tunnel_header {
243 struct mlx4_av av;
244 __be32 remote_qpn;
245 __be32 qkey;
246 __be16 vlan;
247 u8 mac[6];
248 __be16 pkey_index;
249 u8 reserved[6];
250 };
251
252 struct mlx4_ib_buf {
253 void *addr;
254 dma_addr_t map;
255 };
256
257 struct mlx4_rcv_tunnel_hdr {
258 __be32 flags_src_qp; /* flags[6:5] is defined for VLANs:
259 * 0x0 - no vlan was in the packet
260 * 0x01 - C-VLAN was in the packet */
261 u8 g_ml_path; /* gid bit stands for ipv6/4 header in RoCE */
262 u8 reserved;
263 __be16 pkey_index;
264 __be16 sl_vid;
265 __be16 slid_mac_47_32;
266 __be32 mac_31_0;
267 };
268
269 struct mlx4_ib_proxy_sqp_hdr {
270 struct ib_grh grh;
271 struct mlx4_rcv_tunnel_hdr tun;
272 } __packed;
273
274 struct mlx4_roce_smac_vlan_info {
275 u64 smac;
276 int smac_index;
277 int smac_port;
278 u64 candidate_smac;
279 int candidate_smac_index;
280 int candidate_smac_port;
281 u16 vid;
282 int vlan_index;
283 int vlan_port;
284 u16 candidate_vid;
285 int candidate_vlan_index;
286 int candidate_vlan_port;
287 int update_vid;
288 };
289
290 struct mlx4_ib_qpg_data {
291 unsigned long *tss_bitmap;
292 unsigned long *rss_bitmap;
293 struct mlx4_ib_qp *qpg_parent;
294 int tss_qpn_base;
295 int rss_qpn_base;
296 u32 tss_child_count;
297 u32 rss_child_count;
298 u32 qpg_tss_mask_sz;
299 };
300
301 struct mlx4_ib_qp {
302 struct ib_qp ibqp;
303 struct mlx4_qp mqp;
304 struct mlx4_buf buf;
305
306 struct mlx4_db db;
307 struct mlx4_ib_wq rq;
308
309 u32 doorbell_qpn;
310 __be32 sq_signal_bits;
311 unsigned sq_next_wqe;
312 int sq_max_wqes_per_wr;
313 int sq_spare_wqes;
314 struct mlx4_ib_wq sq;
315
316 enum mlx4_ib_qp_type mlx4_ib_qp_type;
317 struct ib_umem *umem;
318 struct mlx4_mtt mtt;
319 int buf_size;
320 struct mutex mutex;
321 u16 xrcdn;
322 u32 flags;
323 u8 port;
324 u8 alt_port;
325 u8 atomic_rd_en;
326 u8 resp_depth;
327 u8 sq_no_prefetch;
328 u8 state;
329 int mlx_type;
330 enum ib_qpg_type qpg_type;
331 struct mlx4_ib_qpg_data *qpg_data;
332 struct list_head gid_list;
333 struct list_head steering_rules;
334 struct mlx4_ib_buf *sqp_proxy_rcv;
335 struct mlx4_roce_smac_vlan_info pri;
336 struct mlx4_roce_smac_vlan_info alt;
337 struct list_head rules_list;
338 u64 reg_id;
339 int max_inline_data;
340 struct mlx4_bf bf;
341
342 /*
343 * Experimental data
344 */
345 int max_inlr_data;
346 };
347
348 struct mlx4_ib_srq {
349 struct ib_srq ibsrq;
350 struct mlx4_srq msrq;
351 struct mlx4_buf buf;
352 struct mlx4_db db;
353 u64 *wrid;
354 spinlock_t lock;
355 int head;
356 int tail;
357 u16 wqe_ctr;
358 struct ib_umem *umem;
359 struct mlx4_mtt mtt;
360 struct mutex mutex;
361 };
362
363 struct mlx4_ib_ah {
364 struct ib_ah ibah;
365 union mlx4_ext_av av;
366 };
367
368 /****************************************/
369 /* alias guid support */
370 /****************************************/
371 #define NUM_PORT_ALIAS_GUID 2
372 #define NUM_ALIAS_GUID_IN_REC 8
373 #define NUM_ALIAS_GUID_REC_IN_PORT 16
374 #define GUID_REC_SIZE 8
375 #define NUM_ALIAS_GUID_PER_PORT 128
376 #define MLX4_NOT_SET_GUID (0x00LL)
377 #define MLX4_GUID_FOR_DELETE_VAL (~(0x00LL))
378
379 /****************************************/
380 /* ioctl codes */
381 /****************************************/
382 #define MLX4_IOC_MAGIC 'm'
383 #define MLX4_IOCHWCLOCKOFFSET _IOR(MLX4_IOC_MAGIC, 1, int)
384
385 enum mlx4_guid_alias_rec_status {
386 MLX4_GUID_INFO_STATUS_IDLE,
387 MLX4_GUID_INFO_STATUS_SET,
388 MLX4_GUID_INFO_STATUS_PENDING,
389 };
390
391 enum mlx4_guid_alias_rec_ownership {
392 MLX4_GUID_DRIVER_ASSIGN,
393 MLX4_GUID_SYSADMIN_ASSIGN,
394 MLX4_GUID_NONE_ASSIGN, /*init state of each record*/
395 };
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 u8 method; /*set or delete*/
407 enum mlx4_guid_alias_rec_ownership ownership; /*indicates who assign that alias_guid record*/
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 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 ib_mr *mr;
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 __be64 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 mlx4_ib_iboe {
507 spinlock_t lock;
508 struct net_device *netdevs[MLX4_MAX_PORTS];
509 struct net_device *masters[MLX4_MAX_PORTS];
510 struct notifier_block nb;
511 struct notifier_block nb_inet;
512 union ib_gid gid_table[MLX4_MAX_PORTS][128];
513 };
514
515 struct pkey_mgt {
516 u8 virt2phys_pkey[MLX4_MFUNC_MAX][MLX4_MAX_PORTS][MLX4_MAX_PORT_PKEYS];
517 u16 phys_pkey_cache[MLX4_MAX_PORTS][MLX4_MAX_PORT_PKEYS];
518 struct list_head pkey_port_list[MLX4_MFUNC_MAX];
519 struct kobject *device_parent[MLX4_MFUNC_MAX];
520 };
521
522 struct mlx4_ib_iov_sysfs_attr {
523 void *ctx;
524 struct kobject *kobj;
525 unsigned long data;
526 u32 entry_num;
527 char name[15];
528 struct device_attribute dentry;
529 struct device *dev;
530 };
531
532 struct mlx4_ib_iov_sysfs_attr_ar {
533 struct mlx4_ib_iov_sysfs_attr dentries[3 * NUM_ALIAS_GUID_PER_PORT + 1];
534 };
535
536 struct mlx4_ib_iov_port {
537 char name[100];
538 u8 num;
539 struct mlx4_ib_dev *dev;
540 struct list_head list;
541 struct mlx4_ib_iov_sysfs_attr_ar *dentr_ar;
542 struct ib_port_attr attr;
543 struct kobject *cur_port;
544 struct kobject *admin_alias_parent;
545 struct kobject *gids_parent;
546 struct kobject *pkeys_parent;
547 struct kobject *mcgs_parent;
548 struct mlx4_ib_iov_sysfs_attr mcg_dentry;
549 };
550
551 struct mlx4_ib_counter {
552 int counter_index;
553 int status;
554 };
555
556 struct mlx4_ib_dev {
557 struct ib_device ib_dev;
558 struct mlx4_dev *dev;
559 int num_ports;
560 struct mlx4_uar priv_uar;
561 u32 priv_pdn;
562 MLX4_DECLARE_DOORBELL_LOCK(uar_lock);
563
564 struct ib_mad_agent *send_agent[MLX4_MAX_PORTS][2];
565 struct ib_ah *sm_ah[MLX4_MAX_PORTS];
566 spinlock_t sm_lock;
567 struct mlx4_ib_sriov sriov;
568
569 struct mutex cap_mask_mutex;
570 bool ib_active;
571 struct mlx4_ib_iboe iboe;
572 struct mlx4_ib_counter counters[MLX4_MAX_PORTS];
573 int *eq_table;
574 int eq_added;
575 struct kobject *iov_parent;
576 struct kobject *ports_parent;
577 struct kobject *dev_ports_parent[MLX4_MFUNC_MAX];
578 struct mlx4_ib_iov_port iov_ports[MLX4_MAX_PORTS];
579 struct pkey_mgt pkeys;
580 unsigned long *ib_uc_qpns_bitmap;
581 int steer_qpn_count;
582 int steer_qpn_base;
583 };
584
585 struct ib_event_work {
586 struct work_struct work;
587 struct mlx4_ib_dev *ib_dev;
588 struct mlx4_eqe ib_eqe;
589 };
590
591 struct mlx4_ib_qp_tunnel_init_attr {
592 struct ib_qp_init_attr init_attr;
593 int slave;
594 enum ib_qp_type proxy_qp_type;
595 u8 port;
596 };
597
to_mdev(struct ib_device * ibdev)598 static inline struct mlx4_ib_dev *to_mdev(struct ib_device *ibdev)
599 {
600 return container_of(ibdev, struct mlx4_ib_dev, ib_dev);
601 }
602
to_mucontext(struct ib_ucontext * ibucontext)603 static inline struct mlx4_ib_ucontext *to_mucontext(struct ib_ucontext *ibucontext)
604 {
605 return container_of(ibucontext, struct mlx4_ib_ucontext, ibucontext);
606 }
607
to_mpd(struct ib_pd * ibpd)608 static inline struct mlx4_ib_pd *to_mpd(struct ib_pd *ibpd)
609 {
610 return container_of(ibpd, struct mlx4_ib_pd, ibpd);
611 }
612
to_mxrcd(struct ib_xrcd * ibxrcd)613 static inline struct mlx4_ib_xrcd *to_mxrcd(struct ib_xrcd *ibxrcd)
614 {
615 return container_of(ibxrcd, struct mlx4_ib_xrcd, ibxrcd);
616 }
617
to_mcq(struct ib_cq * ibcq)618 static inline struct mlx4_ib_cq *to_mcq(struct ib_cq *ibcq)
619 {
620 return container_of(ibcq, struct mlx4_ib_cq, ibcq);
621 }
622
to_mibcq(struct mlx4_cq * mcq)623 static inline struct mlx4_ib_cq *to_mibcq(struct mlx4_cq *mcq)
624 {
625 return container_of(mcq, struct mlx4_ib_cq, mcq);
626 }
627
to_mmr(struct ib_mr * ibmr)628 static inline struct mlx4_ib_mr *to_mmr(struct ib_mr *ibmr)
629 {
630 return container_of(ibmr, struct mlx4_ib_mr, ibmr);
631 }
632
to_mmw(struct ib_mw * ibmw)633 static inline struct mlx4_ib_mw *to_mmw(struct ib_mw *ibmw)
634 {
635 return container_of(ibmw, struct mlx4_ib_mw, ibmw);
636 }
637
to_mfrpl(struct ib_fast_reg_page_list * ibfrpl)638 static inline struct mlx4_ib_fast_reg_page_list *to_mfrpl(struct ib_fast_reg_page_list *ibfrpl)
639 {
640 return container_of(ibfrpl, struct mlx4_ib_fast_reg_page_list, ibfrpl);
641 }
642
to_mfmr(struct ib_fmr * ibfmr)643 static inline struct mlx4_ib_fmr *to_mfmr(struct ib_fmr *ibfmr)
644 {
645 return container_of(ibfmr, struct mlx4_ib_fmr, ibfmr);
646 }
647
to_mflow(struct ib_flow * ibflow)648 static inline struct mlx4_ib_flow *to_mflow(struct ib_flow *ibflow)
649 {
650 return container_of(ibflow, struct mlx4_ib_flow, ibflow);
651 }
652
to_mqp(struct ib_qp * ibqp)653 static inline struct mlx4_ib_qp *to_mqp(struct ib_qp *ibqp)
654 {
655 return container_of(ibqp, struct mlx4_ib_qp, ibqp);
656 }
657
to_mibqp(struct mlx4_qp * mqp)658 static inline struct mlx4_ib_qp *to_mibqp(struct mlx4_qp *mqp)
659 {
660 return container_of(mqp, struct mlx4_ib_qp, mqp);
661 }
662
to_msrq(struct ib_srq * ibsrq)663 static inline struct mlx4_ib_srq *to_msrq(struct ib_srq *ibsrq)
664 {
665 return container_of(ibsrq, struct mlx4_ib_srq, ibsrq);
666 }
667
to_mibsrq(struct mlx4_srq * msrq)668 static inline struct mlx4_ib_srq *to_mibsrq(struct mlx4_srq *msrq)
669 {
670 return container_of(msrq, struct mlx4_ib_srq, msrq);
671 }
672
to_mah(struct ib_ah * ibah)673 static inline struct mlx4_ib_ah *to_mah(struct ib_ah *ibah)
674 {
675 return container_of(ibah, struct mlx4_ib_ah, ibah);
676 }
677
678 int mlx4_ib_init_sriov(struct mlx4_ib_dev *dev);
679 void mlx4_ib_close_sriov(struct mlx4_ib_dev *dev);
680
681 int mlx4_ib_db_map_user(struct mlx4_ib_ucontext *context, unsigned long virt,
682 struct mlx4_db *db);
683 void mlx4_ib_db_unmap_user(struct mlx4_ib_ucontext *context, struct mlx4_db *db);
684
685 struct ib_mr *mlx4_ib_get_dma_mr(struct ib_pd *pd, int acc);
686 int mlx4_ib_umem_write_mtt(struct mlx4_ib_dev *dev, struct mlx4_mtt *mtt,
687 struct ib_umem *umem);
688 int mlx4_ib_umem_calc_optimal_mtt_size(struct ib_umem *umem,
689 u64 start_va,
690 int *num_of_mtts);
691 struct ib_mr *mlx4_ib_reg_user_mr(struct ib_pd *pd, u64 start, u64 length,
692 u64 virt_addr, int access_flags,
693 struct ib_udata *udata, int mr_id);
694 int mlx4_ib_dereg_mr(struct ib_mr *mr);
695 struct ib_mw *mlx4_ib_alloc_mw(struct ib_pd *pd, enum ib_mw_type type);
696 int mlx4_ib_bind_mw(struct ib_qp *qp, struct ib_mw *mw,
697 struct ib_mw_bind *mw_bind);
698 int mlx4_ib_dealloc_mw(struct ib_mw *mw);
699 struct ib_mr *mlx4_ib_alloc_fast_reg_mr(struct ib_pd *pd,
700 int max_page_list_len);
701 struct ib_fast_reg_page_list *mlx4_ib_alloc_fast_reg_page_list(struct ib_device *ibdev,
702 int page_list_len);
703 void mlx4_ib_free_fast_reg_page_list(struct ib_fast_reg_page_list *page_list);
704
705 int mlx4_ib_modify_cq(struct ib_cq *cq,
706 struct ib_cq_attr *cq_attr,
707 int cq_attr_mask);
708 int mlx4_ib_resize_cq(struct ib_cq *ibcq, int entries, struct ib_udata *udata);
709 int mlx4_ib_ignore_overrun_cq(struct ib_cq *ibcq);
710 struct ib_cq *mlx4_ib_create_cq(struct ib_device *ibdev,
711 struct ib_cq_init_attr *attr,
712 struct ib_ucontext *context,
713 struct ib_udata *udata);
714 int mlx4_ib_destroy_cq(struct ib_cq *cq);
715 int mlx4_ib_poll_cq(struct ib_cq *ibcq, int num_entries, struct ib_wc *wc);
716 int mlx4_ib_arm_cq(struct ib_cq *cq, enum ib_cq_notify_flags flags);
717 void __mlx4_ib_cq_clean(struct mlx4_ib_cq *cq, u32 qpn, struct mlx4_ib_srq *srq);
718 void mlx4_ib_cq_clean(struct mlx4_ib_cq *cq, u32 qpn, struct mlx4_ib_srq *srq);
719
720 struct ib_ah *mlx4_ib_create_ah(struct ib_pd *pd, struct ib_ah_attr *ah_attr);
721 int mlx4_ib_query_ah(struct ib_ah *ibah, struct ib_ah_attr *ah_attr);
722 int mlx4_ib_destroy_ah(struct ib_ah *ah);
723
724 struct ib_srq *mlx4_ib_create_srq(struct ib_pd *pd,
725 struct ib_srq_init_attr *init_attr,
726 struct ib_udata *udata);
727 int mlx4_ib_modify_srq(struct ib_srq *ibsrq, struct ib_srq_attr *attr,
728 enum ib_srq_attr_mask attr_mask, struct ib_udata *udata);
729 int mlx4_ib_query_srq(struct ib_srq *srq, struct ib_srq_attr *srq_attr);
730 int mlx4_ib_destroy_srq(struct ib_srq *srq);
731 void mlx4_ib_free_srq_wqe(struct mlx4_ib_srq *srq, int wqe_index);
732 int mlx4_ib_post_srq_recv(struct ib_srq *ibsrq, struct ib_recv_wr *wr,
733 struct ib_recv_wr **bad_wr);
734
735 struct ib_qp *mlx4_ib_create_qp(struct ib_pd *pd,
736 struct ib_qp_init_attr *init_attr,
737 struct ib_udata *udata);
738 int mlx4_ib_destroy_qp(struct ib_qp *qp);
739 int mlx4_ib_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr,
740 int attr_mask, struct ib_udata *udata);
741 int mlx4_ib_query_qp(struct ib_qp *ibqp, struct ib_qp_attr *qp_attr, int qp_attr_mask,
742 struct ib_qp_init_attr *qp_init_attr);
743 int mlx4_ib_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr,
744 struct ib_send_wr **bad_wr);
745 int mlx4_ib_post_recv(struct ib_qp *ibqp, struct ib_recv_wr *wr,
746 struct ib_recv_wr **bad_wr);
747
748 int mlx4_MAD_IFC(struct mlx4_ib_dev *dev, int mad_ifc_flags,
749 int port, struct ib_wc *in_wc, struct ib_grh *in_grh,
750 void *in_mad, void *response_mad);
751 int mlx4_ib_process_mad(struct ib_device *ibdev, int mad_flags, u8 port_num,
752 struct ib_wc *in_wc, struct ib_grh *in_grh,
753 struct ib_mad *in_mad, struct ib_mad *out_mad);
754 int mlx4_ib_mad_init(struct mlx4_ib_dev *dev);
755 void mlx4_ib_mad_cleanup(struct mlx4_ib_dev *dev);
756
757 struct ib_fmr *mlx4_ib_fmr_alloc(struct ib_pd *pd, int mr_access_flags,
758 struct ib_fmr_attr *fmr_attr);
759 int mlx4_ib_map_phys_fmr(struct ib_fmr *ibfmr, u64 *page_list, int npages,
760 u64 iova);
761 int mlx4_ib_unmap_fmr(struct list_head *fmr_list);
762 int mlx4_ib_fmr_dealloc(struct ib_fmr *fmr);
763 int __mlx4_ib_query_port(struct ib_device *ibdev, u8 port,
764 struct ib_port_attr *props, int netw_view);
765 int __mlx4_ib_query_pkey(struct ib_device *ibdev, u8 port, u16 index,
766 u16 *pkey, int netw_view);
767
768 int __mlx4_ib_query_gid(struct ib_device *ibdev, u8 port, int index,
769 union ib_gid *gid, int netw_view);
770
771 int mlx4_ib_resolve_grh(struct mlx4_ib_dev *dev, const struct ib_ah_attr *ah_attr,
772 u8 *mac, int *is_mcast, u8 port);
773
774 int mlx4_ib_query_if_stat(struct mlx4_ib_dev *dev, u32 counter_index,
775 union mlx4_counter *counter, u8 clear);
776
mlx4_ib_ah_grh_present(struct mlx4_ib_ah * ah)777 static inline int mlx4_ib_ah_grh_present(struct mlx4_ib_ah *ah)
778 {
779 u8 port = be32_to_cpu(ah->av.ib.port_pd) >> 24 & 3;
780
781 if (rdma_port_get_link_layer(ah->ibah.device, port) == IB_LINK_LAYER_ETHERNET)
782 return 1;
783
784 return !!(ah->av.ib.g_slid & 0x80);
785 }
mlx4_ib_qp_has_rq(struct ib_qp_init_attr * attr)786 static inline int mlx4_ib_qp_has_rq(struct ib_qp_init_attr *attr)
787 {
788 if (attr->qp_type == IB_QPT_XRC_INI || attr->qp_type == IB_QPT_XRC_TGT)
789 return 0;
790
791 return !attr->srq;
792 }
793
794 int mlx4_ib_mcg_port_init(struct mlx4_ib_demux_ctx *ctx);
795 void mlx4_ib_mcg_port_cleanup(struct mlx4_ib_demux_ctx *ctx, int destroy_wq);
796 void clean_vf_mcast(struct mlx4_ib_demux_ctx *ctx, int slave);
797 int mlx4_ib_mcg_init(void);
798 void mlx4_ib_mcg_destroy(void);
799
800 int mlx4_ib_find_real_gid(struct ib_device *ibdev, u8 port, __be64 guid);
801
802 int mlx4_ib_mcg_multiplex_handler(struct ib_device *ibdev, int port, int slave,
803 struct ib_sa_mad *sa_mad);
804 int mlx4_ib_mcg_demux_handler(struct ib_device *ibdev, int port, int slave,
805 struct ib_sa_mad *mad);
806
807 int mlx4_ib_add_mc(struct mlx4_ib_dev *mdev, struct mlx4_ib_qp *mqp,
808 union ib_gid *gid);
809
810 void mlx4_ib_dispatch_event(struct mlx4_ib_dev *dev, u8 port_num,
811 enum ib_event_type type);
812
813 void mlx4_ib_tunnels_update_work(struct work_struct *work);
814
815 int mlx4_ib_send_to_slave(struct mlx4_ib_dev *dev, int slave, u8 port,
816 enum ib_qp_type qpt, struct ib_wc *wc,
817 struct ib_grh *grh, struct ib_mad *mad);
818 int mlx4_ib_send_to_wire(struct mlx4_ib_dev *dev, int slave, u8 port,
819 enum ib_qp_type dest_qpt, u16 pkey_index, u32 remote_qpn,
820 u32 qkey, struct ib_ah_attr *attr, u8 *s_mac, struct ib_mad *mad);
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, int is_eth);
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
852 int mlx4_ib_device_register_sysfs(struct mlx4_ib_dev *device) ;
853
854 void mlx4_ib_device_unregister_sysfs(struct mlx4_ib_dev *device);
855
856 __be64 mlx4_ib_gen_node_guid(void);
857
858 int mlx4_ib_steer_qp_alloc(struct mlx4_ib_dev *dev, int count, int *qpn);
859 void mlx4_ib_steer_qp_free(struct mlx4_ib_dev *dev, u32 qpn, int count);
860 int mlx4_ib_steer_qp_reg(struct mlx4_ib_dev *mdev, struct mlx4_ib_qp *mqp,
861 int is_attach);
862 int mlx4_ib_query_device(struct ib_device *ibdev,
863 struct ib_device_attr *props);
864
865 #endif /* MLX4_IB_H */
866