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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
62enum {
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
71extern 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
76enum hw_bar_type {
77 HW_BAR_BF,
78 HW_BAR_DB,
79 HW_BAR_CLOCK,
80 HW_BAR_COUNT
81};
82
83struct mlx4_ib_ucontext {
84 struct ib_ucontext ibucontext;
85 struct mlx4_uar uar;
86 struct list_head db_page_list;
87 struct mutex db_page_mutex;
88 struct list_head wqn_ranges_list;
89 struct mutex wqn_ranges_mutex;
90};
91
92struct mlx4_ib_pd {
93 struct ib_pd ibpd;
94 u32 pdn;
95};
96
97struct mlx4_ib_xrcd {
98 struct ib_xrcd ibxrcd;
99 u32 xrcdn;
100 struct ib_pd *pd;
101 struct ib_cq *cq;
102};
103
104struct mlx4_ib_cq_buf {
105 struct mlx4_buf buf;
106 struct mlx4_mtt mtt;
107 int entry_size;
108};
109
110struct mlx4_ib_cq_resize {
111 struct mlx4_ib_cq_buf buf;
112 int cqe;
113};
114
115struct mlx4_ib_cq {
116 struct ib_cq ibcq;
117 struct mlx4_cq mcq;
118 struct mlx4_ib_cq_buf buf;
119 struct mlx4_ib_cq_resize *resize_buf;
120 struct mlx4_db db;
121 spinlock_t lock;
122 struct mutex resize_mutex;
123 struct ib_umem *umem;
124 struct ib_umem *resize_umem;
125 int create_flags;
126
127 struct list_head send_qp_list;
128 struct list_head recv_qp_list;
129};
130
131#define MLX4_MR_PAGES_ALIGN 0x40
132
133struct mlx4_ib_mr {
134 struct ib_mr ibmr;
135 __be64 *pages;
136 dma_addr_t page_map;
137 u32 npages;
138 u32 max_pages;
139 struct mlx4_mr mmr;
140 struct ib_umem *umem;
141 size_t page_map_size;
142};
143
144struct mlx4_ib_mw {
145 struct ib_mw ibmw;
146 struct mlx4_mw mmw;
147};
148
149struct mlx4_ib_fmr {
150 struct ib_fmr ibfmr;
151 struct mlx4_fmr mfmr;
152};
153
154#define MAX_REGS_PER_FLOW 2
155
156struct mlx4_flow_reg_id {
157 u64 id;
158 u64 mirror;
159};
160
161struct mlx4_ib_flow {
162 struct ib_flow ibflow;
163
164 struct mlx4_flow_reg_id reg_id[MAX_REGS_PER_FLOW];
165};
166
167struct mlx4_ib_wq {
168 u64 *wrid;
169 spinlock_t lock;
170 int wqe_cnt;
171 int max_post;
172 int max_gs;
173 int offset;
174 int wqe_shift;
175 unsigned head;
176 unsigned tail;
177};
178
179enum {
180 MLX4_IB_QP_CREATE_ROCE_V2_GSI = IB_QP_CREATE_RESERVED_START
181};
182
183enum mlx4_ib_qp_flags {
184 MLX4_IB_QP_LSO = IB_QP_CREATE_IPOIB_UD_LSO,
185 MLX4_IB_QP_BLOCK_MULTICAST_LOOPBACK = IB_QP_CREATE_BLOCK_MULTICAST_LOOPBACK,
186 MLX4_IB_QP_NETIF = IB_QP_CREATE_NETIF_QP,
187 MLX4_IB_QP_SCATTER_FCS = IB_QP_CREATE_SCATTER_FCS,
188
189
190 MLX4_IB_ROCE_V2_GSI_QP = MLX4_IB_QP_CREATE_ROCE_V2_GSI,
191 MLX4_IB_SRIOV_TUNNEL_QP = 1 << 30,
192 MLX4_IB_SRIOV_SQP = 1 << 31,
193};
194
195struct mlx4_ib_gid_entry {
196 struct list_head list;
197 union ib_gid gid;
198 int added;
199 u8 port;
200};
201
202enum mlx4_ib_qp_type {
203
204
205
206
207
208 MLX4_IB_QPT_SMI = IB_QPT_SMI,
209 MLX4_IB_QPT_GSI = IB_QPT_GSI,
210
211 MLX4_IB_QPT_RC = IB_QPT_RC,
212 MLX4_IB_QPT_UC = IB_QPT_UC,
213 MLX4_IB_QPT_UD = IB_QPT_UD,
214 MLX4_IB_QPT_RAW_IPV6 = IB_QPT_RAW_IPV6,
215 MLX4_IB_QPT_RAW_ETHERTYPE = IB_QPT_RAW_ETHERTYPE,
216 MLX4_IB_QPT_RAW_PACKET = IB_QPT_RAW_PACKET,
217 MLX4_IB_QPT_XRC_INI = IB_QPT_XRC_INI,
218 MLX4_IB_QPT_XRC_TGT = IB_QPT_XRC_TGT,
219
220 MLX4_IB_QPT_PROXY_SMI_OWNER = 1 << 16,
221 MLX4_IB_QPT_PROXY_SMI = 1 << 17,
222 MLX4_IB_QPT_PROXY_GSI = 1 << 18,
223 MLX4_IB_QPT_TUN_SMI_OWNER = 1 << 19,
224 MLX4_IB_QPT_TUN_SMI = 1 << 20,
225 MLX4_IB_QPT_TUN_GSI = 1 << 21,
226};
227
228#define MLX4_IB_QPT_ANY_SRIOV (MLX4_IB_QPT_PROXY_SMI_OWNER | \
229 MLX4_IB_QPT_PROXY_SMI | MLX4_IB_QPT_PROXY_GSI | MLX4_IB_QPT_TUN_SMI_OWNER | \
230 MLX4_IB_QPT_TUN_SMI | MLX4_IB_QPT_TUN_GSI)
231
232enum mlx4_ib_mad_ifc_flags {
233 MLX4_MAD_IFC_IGNORE_MKEY = 1,
234 MLX4_MAD_IFC_IGNORE_BKEY = 2,
235 MLX4_MAD_IFC_IGNORE_KEYS = (MLX4_MAD_IFC_IGNORE_MKEY |
236 MLX4_MAD_IFC_IGNORE_BKEY),
237 MLX4_MAD_IFC_NET_VIEW = 4,
238};
239
240enum {
241 MLX4_NUM_TUNNEL_BUFS = 256,
242};
243
244struct mlx4_ib_tunnel_header {
245 struct mlx4_av av;
246 __be32 remote_qpn;
247 __be32 qkey;
248 __be16 vlan;
249 u8 mac[6];
250 __be16 pkey_index;
251 u8 reserved[6];
252};
253
254struct mlx4_ib_buf {
255 void *addr;
256 dma_addr_t map;
257};
258
259struct mlx4_rcv_tunnel_hdr {
260 __be32 flags_src_qp;
261
262
263 u8 g_ml_path;
264 u8 reserved;
265 __be16 pkey_index;
266 __be16 sl_vid;
267 __be16 slid_mac_47_32;
268 __be32 mac_31_0;
269};
270
271struct mlx4_ib_proxy_sqp_hdr {
272 struct ib_grh grh;
273 struct mlx4_rcv_tunnel_hdr tun;
274} __packed;
275
276struct mlx4_roce_smac_vlan_info {
277 u64 smac;
278 int smac_index;
279 int smac_port;
280 u64 candidate_smac;
281 int candidate_smac_index;
282 int candidate_smac_port;
283 u16 vid;
284 int vlan_index;
285 int vlan_port;
286 u16 candidate_vid;
287 int candidate_vlan_index;
288 int candidate_vlan_port;
289 int update_vid;
290};
291
292struct mlx4_wqn_range {
293 int base_wqn;
294 int size;
295 int refcount;
296 bool dirty;
297 struct list_head list;
298};
299
300struct mlx4_ib_rss {
301 unsigned int base_qpn_tbl_sz;
302 u8 flags;
303 u8 rss_key[MLX4_EN_RSS_KEY_SIZE];
304};
305
306struct mlx4_ib_qp {
307 union {
308 struct ib_qp ibqp;
309 struct ib_wq ibwq;
310 };
311 struct mlx4_qp mqp;
312 struct mlx4_buf buf;
313
314 struct mlx4_db db;
315 struct mlx4_ib_wq rq;
316
317 u32 doorbell_qpn;
318 __be32 sq_signal_bits;
319 unsigned sq_next_wqe;
320 int sq_spare_wqes;
321 struct mlx4_ib_wq sq;
322
323 enum mlx4_ib_qp_type mlx4_ib_qp_type;
324 struct ib_umem *umem;
325 struct mlx4_mtt mtt;
326 int buf_size;
327 struct mutex mutex;
328 u16 xrcdn;
329 u32 flags;
330 u8 port;
331 u8 alt_port;
332 u8 atomic_rd_en;
333 u8 resp_depth;
334 u8 sq_no_prefetch;
335 u8 state;
336 int mlx_type;
337 u32 inl_recv_sz;
338 struct list_head gid_list;
339 struct list_head steering_rules;
340 struct mlx4_ib_buf *sqp_proxy_rcv;
341 struct mlx4_roce_smac_vlan_info pri;
342 struct mlx4_roce_smac_vlan_info alt;
343 u64 reg_id;
344 struct list_head qps_list;
345 struct list_head cq_recv_list;
346 struct list_head cq_send_list;
347 struct counter_index *counter_index;
348 struct mlx4_wqn_range *wqn_range;
349
350 u32 rss_usecnt;
351 struct mlx4_ib_rss *rss_ctx;
352};
353
354struct mlx4_ib_srq {
355 struct ib_srq ibsrq;
356 struct mlx4_srq msrq;
357 struct mlx4_buf buf;
358 struct mlx4_db db;
359 u64 *wrid;
360 spinlock_t lock;
361 int head;
362 int tail;
363 u16 wqe_ctr;
364 struct ib_umem *umem;
365 struct mlx4_mtt mtt;
366 struct mutex mutex;
367};
368
369struct mlx4_ib_ah {
370 struct ib_ah ibah;
371 union mlx4_ext_av av;
372};
373
374
375
376
377#define NUM_PORT_ALIAS_GUID 2
378#define NUM_ALIAS_GUID_IN_REC 8
379#define NUM_ALIAS_GUID_REC_IN_PORT 16
380#define GUID_REC_SIZE 8
381#define NUM_ALIAS_GUID_PER_PORT 128
382#define MLX4_NOT_SET_GUID (0x00LL)
383#define MLX4_GUID_FOR_DELETE_VAL (~(0x00LL))
384
385enum mlx4_guid_alias_rec_status {
386 MLX4_GUID_INFO_STATUS_IDLE,
387 MLX4_GUID_INFO_STATUS_SET,
388};
389
390#define GUID_STATE_NEED_PORT_INIT 0x01
391
392enum mlx4_guid_alias_rec_method {
393 MLX4_GUID_INFO_RECORD_SET = IB_MGMT_METHOD_SET,
394 MLX4_GUID_INFO_RECORD_DELETE = IB_SA_METHOD_DELETE,
395};
396
397struct mlx4_sriov_alias_guid_info_rec_det {
398 u8 all_recs[GUID_REC_SIZE * NUM_ALIAS_GUID_IN_REC];
399 ib_sa_comp_mask guid_indexes;
400 enum mlx4_guid_alias_rec_status status;
401 unsigned int guids_retry_schedule[NUM_ALIAS_GUID_IN_REC];
402 u64 time_to_run;
403};
404
405struct mlx4_sriov_alias_guid_port_rec_det {
406 struct mlx4_sriov_alias_guid_info_rec_det all_rec_per_port[NUM_ALIAS_GUID_REC_IN_PORT];
407 struct workqueue_struct *wq;
408 struct delayed_work alias_guid_work;
409 u8 port;
410 u32 state_flags;
411 struct mlx4_sriov_alias_guid *parent;
412 struct list_head cb_list;
413};
414
415struct mlx4_sriov_alias_guid {
416 struct mlx4_sriov_alias_guid_port_rec_det ports_guid[MLX4_MAX_PORTS];
417 spinlock_t ag_work_lock;
418 struct ib_sa_client *sa_client;
419};
420
421struct mlx4_ib_demux_work {
422 struct work_struct work;
423 struct mlx4_ib_dev *dev;
424 int slave;
425 int do_init;
426 u8 port;
427
428};
429
430struct mlx4_ib_tun_tx_buf {
431 struct mlx4_ib_buf buf;
432 struct ib_ah *ah;
433};
434
435struct mlx4_ib_demux_pv_qp {
436 struct ib_qp *qp;
437 enum ib_qp_type proxy_qpt;
438 struct mlx4_ib_buf *ring;
439 struct mlx4_ib_tun_tx_buf *tx_ring;
440 spinlock_t tx_lock;
441 unsigned tx_ix_head;
442 unsigned tx_ix_tail;
443};
444
445enum mlx4_ib_demux_pv_state {
446 DEMUX_PV_STATE_DOWN,
447 DEMUX_PV_STATE_STARTING,
448 DEMUX_PV_STATE_ACTIVE,
449 DEMUX_PV_STATE_DOWNING,
450};
451
452struct mlx4_ib_demux_pv_ctx {
453 int port;
454 int slave;
455 enum mlx4_ib_demux_pv_state state;
456 int has_smi;
457 struct ib_device *ib_dev;
458 struct ib_cq *cq;
459 struct ib_pd *pd;
460 struct work_struct work;
461 struct workqueue_struct *wq;
462 struct mlx4_ib_demux_pv_qp qp[2];
463};
464
465struct mlx4_ib_demux_ctx {
466 struct ib_device *ib_dev;
467 int port;
468 struct workqueue_struct *wq;
469 struct workqueue_struct *ud_wq;
470 spinlock_t ud_lock;
471 atomic64_t subnet_prefix;
472 __be64 guid_cache[128];
473 struct mlx4_ib_dev *dev;
474
475 struct mutex mcg_table_lock;
476 struct rb_root mcg_table;
477 struct list_head mcg_mgid0_list;
478 struct workqueue_struct *mcg_wq;
479 struct mlx4_ib_demux_pv_ctx **tun;
480 atomic_t tid;
481 int flushing;
482};
483
484struct mlx4_ib_sriov {
485 struct mlx4_ib_demux_ctx demux[MLX4_MAX_PORTS];
486 struct mlx4_ib_demux_pv_ctx *sqps[MLX4_MAX_PORTS];
487
488
489 spinlock_t going_down_lock;
490 int is_going_down;
491
492 struct mlx4_sriov_alias_guid alias_guid;
493
494
495 struct xarray pv_id_table;
496 u32 pv_id_next;
497 spinlock_t id_map_lock;
498 struct rb_root sl_id_map;
499 struct list_head cm_list;
500};
501
502struct gid_cache_context {
503 int real_index;
504 int refcount;
505};
506
507struct gid_entry {
508 union ib_gid gid;
509 enum ib_gid_type gid_type;
510 struct gid_cache_context *ctx;
511};
512
513struct mlx4_port_gid_table {
514 struct gid_entry gids[MLX4_MAX_PORT_GIDS];
515};
516
517struct mlx4_ib_iboe {
518 spinlock_t lock;
519 struct net_device *netdevs[MLX4_MAX_PORTS];
520 atomic64_t mac[MLX4_MAX_PORTS];
521 struct notifier_block nb;
522 struct mlx4_port_gid_table gids[MLX4_MAX_PORTS];
523 enum ib_port_state last_port_state[MLX4_MAX_PORTS];
524};
525
526struct pkey_mgt {
527 u8 virt2phys_pkey[MLX4_MFUNC_MAX][MLX4_MAX_PORTS][MLX4_MAX_PORT_PKEYS];
528 u16 phys_pkey_cache[MLX4_MAX_PORTS][MLX4_MAX_PORT_PKEYS];
529 struct list_head pkey_port_list[MLX4_MFUNC_MAX];
530 struct kobject *device_parent[MLX4_MFUNC_MAX];
531};
532
533struct mlx4_ib_iov_sysfs_attr {
534 void *ctx;
535 struct kobject *kobj;
536 unsigned long data;
537 u32 entry_num;
538 char name[15];
539 struct device_attribute dentry;
540 struct device *dev;
541};
542
543struct mlx4_ib_iov_sysfs_attr_ar {
544 struct mlx4_ib_iov_sysfs_attr dentries[3 * NUM_ALIAS_GUID_PER_PORT + 1];
545};
546
547struct mlx4_ib_iov_port {
548 char name[100];
549 u8 num;
550 struct mlx4_ib_dev *dev;
551 struct list_head list;
552 struct mlx4_ib_iov_sysfs_attr_ar *dentr_ar;
553 struct ib_port_attr attr;
554 struct kobject *cur_port;
555 struct kobject *admin_alias_parent;
556 struct kobject *gids_parent;
557 struct kobject *pkeys_parent;
558 struct kobject *mcgs_parent;
559 struct mlx4_ib_iov_sysfs_attr mcg_dentry;
560};
561
562struct counter_index {
563 struct list_head list;
564 u32 index;
565 u8 allocated;
566};
567
568struct mlx4_ib_counters {
569 struct list_head counters_list;
570 struct mutex mutex;
571 u32 default_counter;
572};
573
574#define MLX4_DIAG_COUNTERS_TYPES 2
575
576struct mlx4_ib_diag_counters {
577 const char **name;
578 u32 *offset;
579 u32 num_counters;
580};
581
582struct mlx4_ib_dev {
583 struct ib_device ib_dev;
584 struct mlx4_dev *dev;
585 int num_ports;
586 void __iomem *uar_map;
587
588 struct mlx4_uar priv_uar;
589 u32 priv_pdn;
590 MLX4_DECLARE_DOORBELL_LOCK(uar_lock);
591
592 struct ib_mad_agent *send_agent[MLX4_MAX_PORTS][2];
593 struct ib_ah *sm_ah[MLX4_MAX_PORTS];
594 spinlock_t sm_lock;
595 atomic64_t sl2vl[MLX4_MAX_PORTS];
596 struct mlx4_ib_sriov sriov;
597
598 struct mutex cap_mask_mutex;
599 bool ib_active;
600 struct mlx4_ib_iboe iboe;
601 struct mlx4_ib_counters counters_table[MLX4_MAX_PORTS];
602 int *eq_table;
603 struct kobject *iov_parent;
604 struct kobject *ports_parent;
605 struct kobject *dev_ports_parent[MLX4_MFUNC_MAX];
606 struct mlx4_ib_iov_port iov_ports[MLX4_MAX_PORTS];
607 struct pkey_mgt pkeys;
608 unsigned long *ib_uc_qpns_bitmap;
609 int steer_qpn_count;
610 int steer_qpn_base;
611 int steering_support;
612 struct mlx4_ib_qp *qp1_proxy[MLX4_MAX_PORTS];
613
614 struct mutex qp1_proxy_lock[MLX4_MAX_PORTS];
615 u8 bond_next_port;
616
617 spinlock_t reset_flow_resource_lock;
618 struct list_head qp_list;
619 struct mlx4_ib_diag_counters diag_counters[MLX4_DIAG_COUNTERS_TYPES];
620};
621
622struct ib_event_work {
623 struct work_struct work;
624 struct mlx4_ib_dev *ib_dev;
625 struct mlx4_eqe ib_eqe;
626 int port;
627};
628
629struct mlx4_ib_qp_tunnel_init_attr {
630 struct ib_qp_init_attr init_attr;
631 int slave;
632 enum ib_qp_type proxy_qp_type;
633 u8 port;
634};
635
636struct mlx4_uverbs_ex_query_device {
637 __u32 comp_mask;
638 __u32 reserved;
639};
640
641static inline struct mlx4_ib_dev *to_mdev(struct ib_device *ibdev)
642{
643 return container_of(ibdev, struct mlx4_ib_dev, ib_dev);
644}
645
646static inline struct mlx4_ib_ucontext *to_mucontext(struct ib_ucontext *ibucontext)
647{
648 return container_of(ibucontext, struct mlx4_ib_ucontext, ibucontext);
649}
650
651static inline struct mlx4_ib_pd *to_mpd(struct ib_pd *ibpd)
652{
653 return container_of(ibpd, struct mlx4_ib_pd, ibpd);
654}
655
656static inline struct mlx4_ib_xrcd *to_mxrcd(struct ib_xrcd *ibxrcd)
657{
658 return container_of(ibxrcd, struct mlx4_ib_xrcd, ibxrcd);
659}
660
661static inline struct mlx4_ib_cq *to_mcq(struct ib_cq *ibcq)
662{
663 return container_of(ibcq, struct mlx4_ib_cq, ibcq);
664}
665
666static inline struct mlx4_ib_cq *to_mibcq(struct mlx4_cq *mcq)
667{
668 return container_of(mcq, struct mlx4_ib_cq, mcq);
669}
670
671static inline struct mlx4_ib_mr *to_mmr(struct ib_mr *ibmr)
672{
673 return container_of(ibmr, struct mlx4_ib_mr, ibmr);
674}
675
676static inline struct mlx4_ib_mw *to_mmw(struct ib_mw *ibmw)
677{
678 return container_of(ibmw, struct mlx4_ib_mw, ibmw);
679}
680
681static inline struct mlx4_ib_fmr *to_mfmr(struct ib_fmr *ibfmr)
682{
683 return container_of(ibfmr, struct mlx4_ib_fmr, ibfmr);
684}
685
686static inline struct mlx4_ib_flow *to_mflow(struct ib_flow *ibflow)
687{
688 return container_of(ibflow, struct mlx4_ib_flow, ibflow);
689}
690
691static inline struct mlx4_ib_qp *to_mqp(struct ib_qp *ibqp)
692{
693 return container_of(ibqp, struct mlx4_ib_qp, ibqp);
694}
695
696static inline struct mlx4_ib_qp *to_mibqp(struct mlx4_qp *mqp)
697{
698 return container_of(mqp, struct mlx4_ib_qp, mqp);
699}
700
701static inline struct mlx4_ib_srq *to_msrq(struct ib_srq *ibsrq)
702{
703 return container_of(ibsrq, struct mlx4_ib_srq, ibsrq);
704}
705
706static inline struct mlx4_ib_srq *to_mibsrq(struct mlx4_srq *msrq)
707{
708 return container_of(msrq, struct mlx4_ib_srq, msrq);
709}
710
711static inline struct mlx4_ib_ah *to_mah(struct ib_ah *ibah)
712{
713 return container_of(ibah, struct mlx4_ib_ah, ibah);
714}
715
716static inline u8 mlx4_ib_bond_next_port(struct mlx4_ib_dev *dev)
717{
718 dev->bond_next_port = (dev->bond_next_port + 1) % dev->num_ports;
719
720 return dev->bond_next_port + 1;
721}
722
723int mlx4_ib_init_sriov(struct mlx4_ib_dev *dev);
724void mlx4_ib_close_sriov(struct mlx4_ib_dev *dev);
725
726int mlx4_ib_db_map_user(struct ib_udata *udata, unsigned long virt,
727 struct mlx4_db *db);
728void mlx4_ib_db_unmap_user(struct mlx4_ib_ucontext *context, struct mlx4_db *db);
729
730struct ib_mr *mlx4_ib_get_dma_mr(struct ib_pd *pd, int acc);
731int mlx4_ib_umem_write_mtt(struct mlx4_ib_dev *dev, struct mlx4_mtt *mtt,
732 struct ib_umem *umem);
733struct ib_mr *mlx4_ib_reg_user_mr(struct ib_pd *pd, u64 start, u64 length,
734 u64 virt_addr, int access_flags,
735 struct ib_udata *udata);
736int mlx4_ib_dereg_mr(struct ib_mr *mr, struct ib_udata *udata);
737struct ib_mw *mlx4_ib_alloc_mw(struct ib_pd *pd, enum ib_mw_type type,
738 struct ib_udata *udata);
739int mlx4_ib_dealloc_mw(struct ib_mw *mw);
740struct ib_mr *mlx4_ib_alloc_mr(struct ib_pd *pd, enum ib_mr_type mr_type,
741 u32 max_num_sg, struct ib_udata *udata);
742int mlx4_ib_map_mr_sg(struct ib_mr *ibmr, struct scatterlist *sg, int sg_nents,
743 unsigned int *sg_offset);
744int mlx4_ib_modify_cq(struct ib_cq *cq, u16 cq_count, u16 cq_period);
745int mlx4_ib_resize_cq(struct ib_cq *ibcq, int entries, struct ib_udata *udata);
746struct ib_cq *mlx4_ib_create_cq(struct ib_device *ibdev,
747 const struct ib_cq_init_attr *attr,
748 struct ib_udata *udata);
749int mlx4_ib_destroy_cq(struct ib_cq *cq, struct ib_udata *udata);
750int mlx4_ib_poll_cq(struct ib_cq *ibcq, int num_entries, struct ib_wc *wc);
751int mlx4_ib_arm_cq(struct ib_cq *cq, enum ib_cq_notify_flags flags);
752void __mlx4_ib_cq_clean(struct mlx4_ib_cq *cq, u32 qpn, struct mlx4_ib_srq *srq);
753void mlx4_ib_cq_clean(struct mlx4_ib_cq *cq, u32 qpn, struct mlx4_ib_srq *srq);
754
755int mlx4_ib_create_ah(struct ib_ah *ah, struct rdma_ah_attr *ah_attr, u32 flags,
756 struct ib_udata *udata);
757int mlx4_ib_create_ah_slave(struct ib_ah *ah, struct rdma_ah_attr *ah_attr,
758 int slave_sgid_index, u8 *s_mac, u16 vlan_tag);
759int mlx4_ib_query_ah(struct ib_ah *ibah, struct rdma_ah_attr *ah_attr);
760void mlx4_ib_destroy_ah(struct ib_ah *ah, u32 flags);
761
762int mlx4_ib_create_srq(struct ib_srq *srq, struct ib_srq_init_attr *init_attr,
763 struct ib_udata *udata);
764int mlx4_ib_modify_srq(struct ib_srq *ibsrq, struct ib_srq_attr *attr,
765 enum ib_srq_attr_mask attr_mask, struct ib_udata *udata);
766int mlx4_ib_query_srq(struct ib_srq *srq, struct ib_srq_attr *srq_attr);
767void mlx4_ib_destroy_srq(struct ib_srq *srq, struct ib_udata *udata);
768void mlx4_ib_free_srq_wqe(struct mlx4_ib_srq *srq, int wqe_index);
769int mlx4_ib_post_srq_recv(struct ib_srq *ibsrq, const struct ib_recv_wr *wr,
770 const struct ib_recv_wr **bad_wr);
771
772struct ib_qp *mlx4_ib_create_qp(struct ib_pd *pd,
773 struct ib_qp_init_attr *init_attr,
774 struct ib_udata *udata);
775int mlx4_ib_destroy_qp(struct ib_qp *qp, struct ib_udata *udata);
776void mlx4_ib_drain_sq(struct ib_qp *qp);
777void mlx4_ib_drain_rq(struct ib_qp *qp);
778int mlx4_ib_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr,
779 int attr_mask, struct ib_udata *udata);
780int mlx4_ib_query_qp(struct ib_qp *ibqp, struct ib_qp_attr *qp_attr, int qp_attr_mask,
781 struct ib_qp_init_attr *qp_init_attr);
782int mlx4_ib_post_send(struct ib_qp *ibqp, const struct ib_send_wr *wr,
783 const struct ib_send_wr **bad_wr);
784int mlx4_ib_post_recv(struct ib_qp *ibqp, const struct ib_recv_wr *wr,
785 const struct ib_recv_wr **bad_wr);
786
787int mlx4_MAD_IFC(struct mlx4_ib_dev *dev, int mad_ifc_flags,
788 int port, const struct ib_wc *in_wc, const struct ib_grh *in_grh,
789 const void *in_mad, void *response_mad);
790int mlx4_ib_process_mad(struct ib_device *ibdev, int mad_flags, u8 port_num,
791 const struct ib_wc *in_wc, const struct ib_grh *in_grh,
792 const struct ib_mad_hdr *in, size_t in_mad_size,
793 struct ib_mad_hdr *out, size_t *out_mad_size,
794 u16 *out_mad_pkey_index);
795int mlx4_ib_mad_init(struct mlx4_ib_dev *dev);
796void mlx4_ib_mad_cleanup(struct mlx4_ib_dev *dev);
797
798struct ib_fmr *mlx4_ib_fmr_alloc(struct ib_pd *pd, int mr_access_flags,
799 struct ib_fmr_attr *fmr_attr);
800int mlx4_ib_map_phys_fmr(struct ib_fmr *ibfmr, u64 *page_list, int npages,
801 u64 iova);
802int mlx4_ib_unmap_fmr(struct list_head *fmr_list);
803int mlx4_ib_fmr_dealloc(struct ib_fmr *fmr);
804int __mlx4_ib_query_port(struct ib_device *ibdev, u8 port,
805 struct ib_port_attr *props, int netw_view);
806int __mlx4_ib_query_pkey(struct ib_device *ibdev, u8 port, u16 index,
807 u16 *pkey, int netw_view);
808
809int __mlx4_ib_query_gid(struct ib_device *ibdev, u8 port, int index,
810 union ib_gid *gid, int netw_view);
811
812static inline bool mlx4_ib_ah_grh_present(struct mlx4_ib_ah *ah)
813{
814 u8 port = be32_to_cpu(ah->av.ib.port_pd) >> 24 & 3;
815
816 if (rdma_port_get_link_layer(ah->ibah.device, port) == IB_LINK_LAYER_ETHERNET)
817 return true;
818
819 return !!(ah->av.ib.g_slid & 0x80);
820}
821
822int mlx4_ib_mcg_port_init(struct mlx4_ib_demux_ctx *ctx);
823void mlx4_ib_mcg_port_cleanup(struct mlx4_ib_demux_ctx *ctx, int destroy_wq);
824void clean_vf_mcast(struct mlx4_ib_demux_ctx *ctx, int slave);
825int mlx4_ib_mcg_init(void);
826void mlx4_ib_mcg_destroy(void);
827
828int mlx4_ib_find_real_gid(struct ib_device *ibdev, u8 port, __be64 guid);
829
830int mlx4_ib_mcg_multiplex_handler(struct ib_device *ibdev, int port, int slave,
831 struct ib_sa_mad *sa_mad);
832int mlx4_ib_mcg_demux_handler(struct ib_device *ibdev, int port, int slave,
833 struct ib_sa_mad *mad);
834
835int mlx4_ib_add_mc(struct mlx4_ib_dev *mdev, struct mlx4_ib_qp *mqp,
836 union ib_gid *gid);
837
838void mlx4_ib_dispatch_event(struct mlx4_ib_dev *dev, u8 port_num,
839 enum ib_event_type type);
840
841void mlx4_ib_tunnels_update_work(struct work_struct *work);
842
843int mlx4_ib_send_to_slave(struct mlx4_ib_dev *dev, int slave, u8 port,
844 enum ib_qp_type qpt, struct ib_wc *wc,
845 struct ib_grh *grh, struct ib_mad *mad);
846
847int mlx4_ib_send_to_wire(struct mlx4_ib_dev *dev, int slave, u8 port,
848 enum ib_qp_type dest_qpt, u16 pkey_index, u32 remote_qpn,
849 u32 qkey, struct rdma_ah_attr *attr, u8 *s_mac,
850 u16 vlan_id, struct ib_mad *mad);
851
852__be64 mlx4_ib_get_new_demux_tid(struct mlx4_ib_demux_ctx *ctx);
853
854int mlx4_ib_demux_cm_handler(struct ib_device *ibdev, int port, int *slave,
855 struct ib_mad *mad);
856
857int mlx4_ib_multiplex_cm_handler(struct ib_device *ibdev, int port, int slave_id,
858 struct ib_mad *mad);
859
860void mlx4_ib_cm_paravirt_init(struct mlx4_ib_dev *dev);
861void mlx4_ib_cm_paravirt_clean(struct mlx4_ib_dev *dev, int slave_id);
862
863
864void mlx4_ib_init_alias_guid_work(struct mlx4_ib_dev *dev, int port);
865int mlx4_ib_init_alias_guid_service(struct mlx4_ib_dev *dev);
866void mlx4_ib_destroy_alias_guid_service(struct mlx4_ib_dev *dev);
867void mlx4_ib_invalidate_all_guid_record(struct mlx4_ib_dev *dev, int port);
868
869void mlx4_ib_notify_slaves_on_guid_change(struct mlx4_ib_dev *dev,
870 int block_num,
871 u8 port_num, u8 *p_data);
872
873void mlx4_ib_update_cache_on_guid_change(struct mlx4_ib_dev *dev,
874 int block_num, u8 port_num,
875 u8 *p_data);
876
877int add_sysfs_port_mcg_attr(struct mlx4_ib_dev *device, int port_num,
878 struct attribute *attr);
879void del_sysfs_port_mcg_attr(struct mlx4_ib_dev *device, int port_num,
880 struct attribute *attr);
881ib_sa_comp_mask mlx4_ib_get_aguid_comp_mask_from_ix(int index);
882void mlx4_ib_slave_alias_guid_event(struct mlx4_ib_dev *dev, int slave,
883 int port, int slave_init);
884
885int mlx4_ib_device_register_sysfs(struct mlx4_ib_dev *device) ;
886
887void mlx4_ib_device_unregister_sysfs(struct mlx4_ib_dev *device);
888
889__be64 mlx4_ib_gen_node_guid(void);
890
891int mlx4_ib_steer_qp_alloc(struct mlx4_ib_dev *dev, int count, int *qpn);
892void mlx4_ib_steer_qp_free(struct mlx4_ib_dev *dev, u32 qpn, int count);
893int mlx4_ib_steer_qp_reg(struct mlx4_ib_dev *mdev, struct mlx4_ib_qp *mqp,
894 int is_attach);
895int mlx4_ib_rereg_user_mr(struct ib_mr *mr, int flags,
896 u64 start, u64 length, u64 virt_addr,
897 int mr_access_flags, struct ib_pd *pd,
898 struct ib_udata *udata);
899int mlx4_ib_gid_index_to_real_index(struct mlx4_ib_dev *ibdev,
900 const struct ib_gid_attr *attr);
901
902void mlx4_sched_ib_sl2vl_update_work(struct mlx4_ib_dev *ibdev,
903 int port);
904
905void mlx4_ib_sl2vl_update(struct mlx4_ib_dev *mdev, int port);
906
907struct ib_wq *mlx4_ib_create_wq(struct ib_pd *pd,
908 struct ib_wq_init_attr *init_attr,
909 struct ib_udata *udata);
910int mlx4_ib_destroy_wq(struct ib_wq *wq, struct ib_udata *udata);
911int mlx4_ib_modify_wq(struct ib_wq *wq, struct ib_wq_attr *wq_attr,
912 u32 wq_attr_mask, struct ib_udata *udata);
913
914struct ib_rwq_ind_table
915*mlx4_ib_create_rwq_ind_table(struct ib_device *device,
916 struct ib_rwq_ind_table_init_attr *init_attr,
917 struct ib_udata *udata);
918int mlx4_ib_destroy_rwq_ind_table(struct ib_rwq_ind_table *wq_ind_table);
919int mlx4_ib_umem_calc_optimal_mtt_size(struct ib_umem *umem, u64 start_va,
920 int *num_of_mtts);
921
922#endif
923