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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_vma_private_data {
84 struct vm_area_struct *vma;
85};
86
87struct 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;
95};
96
97struct mlx4_ib_pd {
98 struct ib_pd ibpd;
99 u32 pdn;
100};
101
102struct mlx4_ib_xrcd {
103 struct ib_xrcd ibxrcd;
104 u32 xrcdn;
105 struct ib_pd *pd;
106 struct ib_cq *cq;
107};
108
109struct mlx4_ib_cq_buf {
110 struct mlx4_buf buf;
111 struct mlx4_mtt mtt;
112 int entry_size;
113};
114
115struct mlx4_ib_cq_resize {
116 struct mlx4_ib_cq_buf buf;
117 int cqe;
118};
119
120struct 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
132 struct list_head send_qp_list;
133 struct list_head recv_qp_list;
134};
135
136#define MLX4_MR_PAGES_ALIGN 0x40
137
138struct 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
149struct mlx4_ib_mw {
150 struct ib_mw ibmw;
151 struct mlx4_mw mmw;
152};
153
154struct mlx4_ib_fmr {
155 struct ib_fmr ibfmr;
156 struct mlx4_fmr mfmr;
157};
158
159#define MAX_REGS_PER_FLOW 2
160
161struct mlx4_flow_reg_id {
162 u64 id;
163 u64 mirror;
164};
165
166struct mlx4_ib_flow {
167 struct ib_flow ibflow;
168
169 struct mlx4_flow_reg_id reg_id[MAX_REGS_PER_FLOW];
170};
171
172struct 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
184enum {
185 MLX4_IB_QP_CREATE_ROCE_V2_GSI = IB_QP_CREATE_RESERVED_START
186};
187
188enum 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 MLX4_IB_QP_SCATTER_FCS = IB_QP_CREATE_SCATTER_FCS,
193
194
195 MLX4_IB_ROCE_V2_GSI_QP = MLX4_IB_QP_CREATE_ROCE_V2_GSI,
196 MLX4_IB_SRIOV_TUNNEL_QP = 1 << 30,
197 MLX4_IB_SRIOV_SQP = 1 << 31,
198};
199
200struct mlx4_ib_gid_entry {
201 struct list_head list;
202 union ib_gid gid;
203 int added;
204 u8 port;
205};
206
207enum mlx4_ib_qp_type {
208
209
210
211
212
213 MLX4_IB_QPT_SMI = IB_QPT_SMI,
214 MLX4_IB_QPT_GSI = IB_QPT_GSI,
215
216 MLX4_IB_QPT_RC = IB_QPT_RC,
217 MLX4_IB_QPT_UC = IB_QPT_UC,
218 MLX4_IB_QPT_UD = IB_QPT_UD,
219 MLX4_IB_QPT_RAW_IPV6 = IB_QPT_RAW_IPV6,
220 MLX4_IB_QPT_RAW_ETHERTYPE = IB_QPT_RAW_ETHERTYPE,
221 MLX4_IB_QPT_RAW_PACKET = IB_QPT_RAW_PACKET,
222 MLX4_IB_QPT_XRC_INI = IB_QPT_XRC_INI,
223 MLX4_IB_QPT_XRC_TGT = IB_QPT_XRC_TGT,
224
225 MLX4_IB_QPT_PROXY_SMI_OWNER = 1 << 16,
226 MLX4_IB_QPT_PROXY_SMI = 1 << 17,
227 MLX4_IB_QPT_PROXY_GSI = 1 << 18,
228 MLX4_IB_QPT_TUN_SMI_OWNER = 1 << 19,
229 MLX4_IB_QPT_TUN_SMI = 1 << 20,
230 MLX4_IB_QPT_TUN_GSI = 1 << 21,
231};
232
233#define MLX4_IB_QPT_ANY_SRIOV (MLX4_IB_QPT_PROXY_SMI_OWNER | \
234 MLX4_IB_QPT_PROXY_SMI | MLX4_IB_QPT_PROXY_GSI | MLX4_IB_QPT_TUN_SMI_OWNER | \
235 MLX4_IB_QPT_TUN_SMI | MLX4_IB_QPT_TUN_GSI)
236
237enum mlx4_ib_mad_ifc_flags {
238 MLX4_MAD_IFC_IGNORE_MKEY = 1,
239 MLX4_MAD_IFC_IGNORE_BKEY = 2,
240 MLX4_MAD_IFC_IGNORE_KEYS = (MLX4_MAD_IFC_IGNORE_MKEY |
241 MLX4_MAD_IFC_IGNORE_BKEY),
242 MLX4_MAD_IFC_NET_VIEW = 4,
243};
244
245enum {
246 MLX4_NUM_TUNNEL_BUFS = 256,
247};
248
249struct mlx4_ib_tunnel_header {
250 struct mlx4_av av;
251 __be32 remote_qpn;
252 __be32 qkey;
253 __be16 vlan;
254 u8 mac[6];
255 __be16 pkey_index;
256 u8 reserved[6];
257};
258
259struct mlx4_ib_buf {
260 void *addr;
261 dma_addr_t map;
262};
263
264struct mlx4_rcv_tunnel_hdr {
265 __be32 flags_src_qp;
266
267
268 u8 g_ml_path;
269 u8 reserved;
270 __be16 pkey_index;
271 __be16 sl_vid;
272 __be16 slid_mac_47_32;
273 __be32 mac_31_0;
274};
275
276struct mlx4_ib_proxy_sqp_hdr {
277 struct ib_grh grh;
278 struct mlx4_rcv_tunnel_hdr tun;
279} __packed;
280
281struct mlx4_roce_smac_vlan_info {
282 u64 smac;
283 int smac_index;
284 int smac_port;
285 u64 candidate_smac;
286 int candidate_smac_index;
287 int candidate_smac_port;
288 u16 vid;
289 int vlan_index;
290 int vlan_port;
291 u16 candidate_vid;
292 int candidate_vlan_index;
293 int candidate_vlan_port;
294 int update_vid;
295};
296
297struct mlx4_wqn_range {
298 int base_wqn;
299 int size;
300 int refcount;
301 bool dirty;
302 struct list_head list;
303};
304
305struct mlx4_ib_rss {
306 unsigned int base_qpn_tbl_sz;
307 u8 flags;
308 u8 rss_key[MLX4_EN_RSS_KEY_SIZE];
309};
310
311struct mlx4_ib_qp {
312 union {
313 struct ib_qp ibqp;
314 struct ib_wq ibwq;
315 };
316 struct mlx4_qp mqp;
317 struct mlx4_buf buf;
318
319 struct mlx4_db db;
320 struct mlx4_ib_wq rq;
321
322 u32 doorbell_qpn;
323 __be32 sq_signal_bits;
324 unsigned sq_next_wqe;
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
355 u32 rss_usecnt;
356 struct mlx4_ib_rss *rss_ctx;
357};
358
359struct 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
374struct mlx4_ib_ah {
375 struct ib_ah ibah;
376 union mlx4_ext_av av;
377};
378
379
380
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
390enum 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
397enum 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
402struct 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;
405 enum mlx4_guid_alias_rec_status status;
406 unsigned int guids_retry_schedule[NUM_ALIAS_GUID_IN_REC];
407 u64 time_to_run;
408};
409
410struct 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
420struct 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
426struct 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
435struct mlx4_ib_tun_tx_buf {
436 struct mlx4_ib_buf buf;
437 struct ib_ah *ah;
438};
439
440struct 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
450enum 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
457struct 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
470struct 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
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;
487};
488
489struct 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
493
494 spinlock_t going_down_lock;
495 int is_going_down;
496
497 struct mlx4_sriov_alias_guid alias_guid;
498
499
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
506struct gid_cache_context {
507 int real_index;
508 int refcount;
509};
510
511struct gid_entry {
512 union ib_gid gid;
513 enum ib_gid_type gid_type;
514 struct gid_cache_context *ctx;
515};
516
517struct mlx4_port_gid_table {
518 struct gid_entry gids[MLX4_MAX_PORT_GIDS];
519};
520
521struct 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
529struct 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
536struct 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
546struct mlx4_ib_iov_sysfs_attr_ar {
547 struct mlx4_ib_iov_sysfs_attr dentries[3 * NUM_ALIAS_GUID_PER_PORT + 1];
548};
549
550struct 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
565struct counter_index {
566 struct list_head list;
567 u32 index;
568 u8 allocated;
569};
570
571struct mlx4_ib_counters {
572 struct list_head counters_list;
573 struct mutex mutex;
574 u32 default_counter;
575};
576
577#define MLX4_DIAG_COUNTERS_TYPES 2
578
579struct mlx4_ib_diag_counters {
580 const char **name;
581 u32 *offset;
582 u32 num_counters;
583};
584
585struct 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
617 struct mutex qp1_proxy_lock[MLX4_MAX_PORTS];
618 u8 bond_next_port;
619
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
625struct 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
632struct 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
639struct mlx4_uverbs_ex_query_device {
640 __u32 comp_mask;
641 __u32 reserved;
642};
643
644static inline struct mlx4_ib_dev *to_mdev(struct ib_device *ibdev)
645{
646 return container_of(ibdev, struct mlx4_ib_dev, ib_dev);
647}
648
649static inline struct mlx4_ib_ucontext *to_mucontext(struct ib_ucontext *ibucontext)
650{
651 return container_of(ibucontext, struct mlx4_ib_ucontext, ibucontext);
652}
653
654static inline struct mlx4_ib_pd *to_mpd(struct ib_pd *ibpd)
655{
656 return container_of(ibpd, struct mlx4_ib_pd, ibpd);
657}
658
659static inline struct mlx4_ib_xrcd *to_mxrcd(struct ib_xrcd *ibxrcd)
660{
661 return container_of(ibxrcd, struct mlx4_ib_xrcd, ibxrcd);
662}
663
664static inline struct mlx4_ib_cq *to_mcq(struct ib_cq *ibcq)
665{
666 return container_of(ibcq, struct mlx4_ib_cq, ibcq);
667}
668
669static inline struct mlx4_ib_cq *to_mibcq(struct mlx4_cq *mcq)
670{
671 return container_of(mcq, struct mlx4_ib_cq, mcq);
672}
673
674static inline struct mlx4_ib_mr *to_mmr(struct ib_mr *ibmr)
675{
676 return container_of(ibmr, struct mlx4_ib_mr, ibmr);
677}
678
679static inline struct mlx4_ib_mw *to_mmw(struct ib_mw *ibmw)
680{
681 return container_of(ibmw, struct mlx4_ib_mw, ibmw);
682}
683
684static inline struct mlx4_ib_fmr *to_mfmr(struct ib_fmr *ibfmr)
685{
686 return container_of(ibfmr, struct mlx4_ib_fmr, ibfmr);
687}
688
689static inline struct mlx4_ib_flow *to_mflow(struct ib_flow *ibflow)
690{
691 return container_of(ibflow, struct mlx4_ib_flow, ibflow);
692}
693
694static inline struct mlx4_ib_qp *to_mqp(struct ib_qp *ibqp)
695{
696 return container_of(ibqp, struct mlx4_ib_qp, ibqp);
697}
698
699static inline struct mlx4_ib_qp *to_mibqp(struct mlx4_qp *mqp)
700{
701 return container_of(mqp, struct mlx4_ib_qp, mqp);
702}
703
704static inline struct mlx4_ib_srq *to_msrq(struct ib_srq *ibsrq)
705{
706 return container_of(ibsrq, struct mlx4_ib_srq, ibsrq);
707}
708
709static inline struct mlx4_ib_srq *to_mibsrq(struct mlx4_srq *msrq)
710{
711 return container_of(msrq, struct mlx4_ib_srq, msrq);
712}
713
714static inline struct mlx4_ib_ah *to_mah(struct ib_ah *ibah)
715{
716 return container_of(ibah, struct mlx4_ib_ah, ibah);
717}
718
719static inline u8 mlx4_ib_bond_next_port(struct mlx4_ib_dev *dev)
720{
721 dev->bond_next_port = (dev->bond_next_port + 1) % dev->num_ports;
722
723 return dev->bond_next_port + 1;
724}
725
726int mlx4_ib_init_sriov(struct mlx4_ib_dev *dev);
727void mlx4_ib_close_sriov(struct mlx4_ib_dev *dev);
728
729int mlx4_ib_db_map_user(struct mlx4_ib_ucontext *context, unsigned long virt,
730 struct mlx4_db *db);
731void mlx4_ib_db_unmap_user(struct mlx4_ib_ucontext *context, struct mlx4_db *db);
732
733struct ib_mr *mlx4_ib_get_dma_mr(struct ib_pd *pd, int acc);
734int mlx4_ib_umem_write_mtt(struct mlx4_ib_dev *dev, struct mlx4_mtt *mtt,
735 struct ib_umem *umem);
736struct ib_mr *mlx4_ib_reg_user_mr(struct ib_pd *pd, u64 start, u64 length,
737 u64 virt_addr, int access_flags,
738 struct ib_udata *udata);
739int mlx4_ib_dereg_mr(struct ib_mr *mr);
740struct ib_mw *mlx4_ib_alloc_mw(struct ib_pd *pd, enum ib_mw_type type,
741 struct ib_udata *udata);
742int mlx4_ib_dealloc_mw(struct ib_mw *mw);
743struct ib_mr *mlx4_ib_alloc_mr(struct ib_pd *pd,
744 enum ib_mr_type mr_type,
745 u32 max_num_sg);
746int mlx4_ib_map_mr_sg(struct ib_mr *ibmr, struct scatterlist *sg, int sg_nents,
747 unsigned int *sg_offset);
748int mlx4_ib_modify_cq(struct ib_cq *cq, u16 cq_count, u16 cq_period);
749int mlx4_ib_resize_cq(struct ib_cq *ibcq, int entries, struct ib_udata *udata);
750struct ib_cq *mlx4_ib_create_cq(struct ib_device *ibdev,
751 const struct ib_cq_init_attr *attr,
752 struct ib_ucontext *context,
753 struct ib_udata *udata);
754int mlx4_ib_destroy_cq(struct ib_cq *cq);
755int mlx4_ib_poll_cq(struct ib_cq *ibcq, int num_entries, struct ib_wc *wc);
756int mlx4_ib_arm_cq(struct ib_cq *cq, enum ib_cq_notify_flags flags);
757void __mlx4_ib_cq_clean(struct mlx4_ib_cq *cq, u32 qpn, struct mlx4_ib_srq *srq);
758void mlx4_ib_cq_clean(struct mlx4_ib_cq *cq, u32 qpn, struct mlx4_ib_srq *srq);
759
760struct ib_ah *mlx4_ib_create_ah(struct ib_pd *pd, struct rdma_ah_attr *ah_attr,
761 struct ib_udata *udata);
762struct ib_ah *mlx4_ib_create_ah_slave(struct ib_pd *pd,
763 struct rdma_ah_attr *ah_attr,
764 int slave_sgid_index, u8 *s_mac,
765 u16 vlan_tag);
766int mlx4_ib_query_ah(struct ib_ah *ibah, struct rdma_ah_attr *ah_attr);
767int mlx4_ib_destroy_ah(struct ib_ah *ah);
768
769struct ib_srq *mlx4_ib_create_srq(struct ib_pd *pd,
770 struct ib_srq_init_attr *init_attr,
771 struct ib_udata *udata);
772int mlx4_ib_modify_srq(struct ib_srq *ibsrq, struct ib_srq_attr *attr,
773 enum ib_srq_attr_mask attr_mask, struct ib_udata *udata);
774int mlx4_ib_query_srq(struct ib_srq *srq, struct ib_srq_attr *srq_attr);
775int mlx4_ib_destroy_srq(struct ib_srq *srq);
776void mlx4_ib_free_srq_wqe(struct mlx4_ib_srq *srq, int wqe_index);
777int mlx4_ib_post_srq_recv(struct ib_srq *ibsrq, const struct ib_recv_wr *wr,
778 const struct ib_recv_wr **bad_wr);
779
780struct ib_qp *mlx4_ib_create_qp(struct ib_pd *pd,
781 struct ib_qp_init_attr *init_attr,
782 struct ib_udata *udata);
783int mlx4_ib_destroy_qp(struct ib_qp *qp);
784void mlx4_ib_drain_sq(struct ib_qp *qp);
785void mlx4_ib_drain_rq(struct ib_qp *qp);
786int mlx4_ib_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr,
787 int attr_mask, struct ib_udata *udata);
788int mlx4_ib_query_qp(struct ib_qp *ibqp, struct ib_qp_attr *qp_attr, int qp_attr_mask,
789 struct ib_qp_init_attr *qp_init_attr);
790int mlx4_ib_post_send(struct ib_qp *ibqp, const struct ib_send_wr *wr,
791 const struct ib_send_wr **bad_wr);
792int mlx4_ib_post_recv(struct ib_qp *ibqp, const struct ib_recv_wr *wr,
793 const struct ib_recv_wr **bad_wr);
794
795int mlx4_MAD_IFC(struct mlx4_ib_dev *dev, int mad_ifc_flags,
796 int port, const struct ib_wc *in_wc, const struct ib_grh *in_grh,
797 const void *in_mad, void *response_mad);
798int mlx4_ib_process_mad(struct ib_device *ibdev, int mad_flags, u8 port_num,
799 const struct ib_wc *in_wc, const struct ib_grh *in_grh,
800 const struct ib_mad_hdr *in, size_t in_mad_size,
801 struct ib_mad_hdr *out, size_t *out_mad_size,
802 u16 *out_mad_pkey_index);
803int mlx4_ib_mad_init(struct mlx4_ib_dev *dev);
804void mlx4_ib_mad_cleanup(struct mlx4_ib_dev *dev);
805
806struct ib_fmr *mlx4_ib_fmr_alloc(struct ib_pd *pd, int mr_access_flags,
807 struct ib_fmr_attr *fmr_attr);
808int mlx4_ib_map_phys_fmr(struct ib_fmr *ibfmr, u64 *page_list, int npages,
809 u64 iova);
810int mlx4_ib_unmap_fmr(struct list_head *fmr_list);
811int mlx4_ib_fmr_dealloc(struct ib_fmr *fmr);
812int __mlx4_ib_query_port(struct ib_device *ibdev, u8 port,
813 struct ib_port_attr *props, int netw_view);
814int __mlx4_ib_query_pkey(struct ib_device *ibdev, u8 port, u16 index,
815 u16 *pkey, int netw_view);
816
817int __mlx4_ib_query_gid(struct ib_device *ibdev, u8 port, int index,
818 union ib_gid *gid, int netw_view);
819
820static inline bool mlx4_ib_ah_grh_present(struct mlx4_ib_ah *ah)
821{
822 u8 port = be32_to_cpu(ah->av.ib.port_pd) >> 24 & 3;
823
824 if (rdma_port_get_link_layer(ah->ibah.device, port) == IB_LINK_LAYER_ETHERNET)
825 return true;
826
827 return !!(ah->av.ib.g_slid & 0x80);
828}
829
830int mlx4_ib_mcg_port_init(struct mlx4_ib_demux_ctx *ctx);
831void mlx4_ib_mcg_port_cleanup(struct mlx4_ib_demux_ctx *ctx, int destroy_wq);
832void clean_vf_mcast(struct mlx4_ib_demux_ctx *ctx, int slave);
833int mlx4_ib_mcg_init(void);
834void mlx4_ib_mcg_destroy(void);
835
836int mlx4_ib_find_real_gid(struct ib_device *ibdev, u8 port, __be64 guid);
837
838int mlx4_ib_mcg_multiplex_handler(struct ib_device *ibdev, int port, int slave,
839 struct ib_sa_mad *sa_mad);
840int mlx4_ib_mcg_demux_handler(struct ib_device *ibdev, int port, int slave,
841 struct ib_sa_mad *mad);
842
843int mlx4_ib_add_mc(struct mlx4_ib_dev *mdev, struct mlx4_ib_qp *mqp,
844 union ib_gid *gid);
845
846void mlx4_ib_dispatch_event(struct mlx4_ib_dev *dev, u8 port_num,
847 enum ib_event_type type);
848
849void mlx4_ib_tunnels_update_work(struct work_struct *work);
850
851int mlx4_ib_send_to_slave(struct mlx4_ib_dev *dev, int slave, u8 port,
852 enum ib_qp_type qpt, struct ib_wc *wc,
853 struct ib_grh *grh, struct ib_mad *mad);
854
855int mlx4_ib_send_to_wire(struct mlx4_ib_dev *dev, int slave, u8 port,
856 enum ib_qp_type dest_qpt, u16 pkey_index, u32 remote_qpn,
857 u32 qkey, struct rdma_ah_attr *attr, u8 *s_mac,
858 u16 vlan_id, struct ib_mad *mad);
859
860__be64 mlx4_ib_get_new_demux_tid(struct mlx4_ib_demux_ctx *ctx);
861
862int mlx4_ib_demux_cm_handler(struct ib_device *ibdev, int port, int *slave,
863 struct ib_mad *mad);
864
865int mlx4_ib_multiplex_cm_handler(struct ib_device *ibdev, int port, int slave_id,
866 struct ib_mad *mad);
867
868void mlx4_ib_cm_paravirt_init(struct mlx4_ib_dev *dev);
869void mlx4_ib_cm_paravirt_clean(struct mlx4_ib_dev *dev, int slave_id);
870
871
872void mlx4_ib_init_alias_guid_work(struct mlx4_ib_dev *dev, int port);
873int mlx4_ib_init_alias_guid_service(struct mlx4_ib_dev *dev);
874void mlx4_ib_destroy_alias_guid_service(struct mlx4_ib_dev *dev);
875void mlx4_ib_invalidate_all_guid_record(struct mlx4_ib_dev *dev, int port);
876
877void mlx4_ib_notify_slaves_on_guid_change(struct mlx4_ib_dev *dev,
878 int block_num,
879 u8 port_num, u8 *p_data);
880
881void mlx4_ib_update_cache_on_guid_change(struct mlx4_ib_dev *dev,
882 int block_num, u8 port_num,
883 u8 *p_data);
884
885int add_sysfs_port_mcg_attr(struct mlx4_ib_dev *device, int port_num,
886 struct attribute *attr);
887void del_sysfs_port_mcg_attr(struct mlx4_ib_dev *device, int port_num,
888 struct attribute *attr);
889ib_sa_comp_mask mlx4_ib_get_aguid_comp_mask_from_ix(int index);
890void mlx4_ib_slave_alias_guid_event(struct mlx4_ib_dev *dev, int slave,
891 int port, int slave_init);
892
893int mlx4_ib_device_register_sysfs(struct mlx4_ib_dev *device) ;
894
895void mlx4_ib_device_unregister_sysfs(struct mlx4_ib_dev *device);
896
897__be64 mlx4_ib_gen_node_guid(void);
898
899int mlx4_ib_steer_qp_alloc(struct mlx4_ib_dev *dev, int count, int *qpn);
900void mlx4_ib_steer_qp_free(struct mlx4_ib_dev *dev, u32 qpn, int count);
901int mlx4_ib_steer_qp_reg(struct mlx4_ib_dev *mdev, struct mlx4_ib_qp *mqp,
902 int is_attach);
903int mlx4_ib_rereg_user_mr(struct ib_mr *mr, int flags,
904 u64 start, u64 length, u64 virt_addr,
905 int mr_access_flags, struct ib_pd *pd,
906 struct ib_udata *udata);
907int mlx4_ib_gid_index_to_real_index(struct mlx4_ib_dev *ibdev,
908 const struct ib_gid_attr *attr);
909
910void mlx4_sched_ib_sl2vl_update_work(struct mlx4_ib_dev *ibdev,
911 int port);
912
913void mlx4_ib_sl2vl_update(struct mlx4_ib_dev *mdev, int port);
914
915struct ib_wq *mlx4_ib_create_wq(struct ib_pd *pd,
916 struct ib_wq_init_attr *init_attr,
917 struct ib_udata *udata);
918int mlx4_ib_destroy_wq(struct ib_wq *wq);
919int mlx4_ib_modify_wq(struct ib_wq *wq, struct ib_wq_attr *wq_attr,
920 u32 wq_attr_mask, struct ib_udata *udata);
921
922struct ib_rwq_ind_table
923*mlx4_ib_create_rwq_ind_table(struct ib_device *device,
924 struct ib_rwq_ind_table_init_attr *init_attr,
925 struct ib_udata *udata);
926int mlx4_ib_destroy_rwq_ind_table(struct ib_rwq_ind_table *wq_ind_table);
927int mlx4_ib_umem_calc_optimal_mtt_size(struct ib_umem *umem, u64 start_va,
928 int *num_of_mtts);
929
930#endif
931