2 * Copyright (c) 2006, 2007 Cisco Systems. All rights reserved.
3 * Copyright (c) 2007, 2008 Mellanox Technologies. All rights reserved.
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:
11 * Redistribution and use in source and binary forms, with or
12 * without modification, are permitted provided that the following
15 * - Redistributions of source code must retain the above
16 * copyright notice, this list of conditions and the following
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.
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
37 #include <linux/compiler.h>
38 #include <linux/list.h>
39 #include <linux/mutex.h>
40 #include <linux/idr.h>
42 #include <rdma/ib_verbs.h>
43 #include <rdma/ib_umem.h>
44 #include <rdma/ib_mad.h>
45 #include <rdma/ib_sa.h>
47 #include <linux/mlx4/device.h>
48 #include <linux/mlx4/doorbell.h>
50 #define MLX4_IB_DRV_NAME "mlx4_ib"
55 #define pr_fmt(fmt) "<" MLX4_IB_DRV_NAME "> %s: " fmt, __func__
57 #define mlx4_ib_warn(ibdev, format, arg...) \
58 dev_warn((ibdev)->dma_device, MLX4_IB_DRV_NAME ": " format, ## arg)
61 MLX4_IB_SQ_MIN_WQE_SHIFT = 6,
62 MLX4_IB_MAX_HEADROOM = 2048
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))
68 /*module param to indicate if SM assigns the alias_GUID*/
69 extern int mlx4_ib_sm_guid_assign;
71 #define MLX4_IB_UC_STEER_QPN_ALIGN 1
72 #define MLX4_IB_UC_MAX_NUM_QPS 256
73 struct mlx4_ib_ucontext {
74 struct ib_ucontext ibucontext;
76 struct list_head db_page_list;
77 struct mutex db_page_mutex;
86 struct ib_xrcd ibxrcd;
92 struct mlx4_ib_cq_buf {
98 struct mlx4_ib_cq_resize {
99 struct mlx4_ib_cq_buf buf;
106 struct mlx4_ib_cq_buf buf;
107 struct mlx4_ib_cq_resize *resize_buf;
110 struct mutex resize_mutex;
111 struct ib_umem *umem;
112 struct ib_umem *resize_umem;
118 struct ib_umem *umem;
126 struct mlx4_ib_fast_reg_page_list {
127 struct ib_fast_reg_page_list ibfrpl;
128 __be64 *mapped_page_list;
134 struct mlx4_fmr mfmr;
137 struct mlx4_ib_flow {
138 struct ib_flow ibflow;
139 /* translating DMFS verbs sniffer rule to FW API requires two reg IDs */
155 enum mlx4_ib_qp_flags {
156 MLX4_IB_QP_LSO = IB_QP_CREATE_IPOIB_UD_LSO,
157 MLX4_IB_QP_BLOCK_MULTICAST_LOOPBACK = IB_QP_CREATE_BLOCK_MULTICAST_LOOPBACK,
158 MLX4_IB_QP_NETIF = IB_QP_CREATE_NETIF_QP,
159 MLX4_IB_QP_CREATE_USE_GFP_NOIO = IB_QP_CREATE_USE_GFP_NOIO,
160 MLX4_IB_SRIOV_TUNNEL_QP = 1 << 30,
161 MLX4_IB_SRIOV_SQP = 1 << 31,
164 struct mlx4_ib_gid_entry {
165 struct list_head list;
171 enum mlx4_ib_qp_type {
173 * IB_QPT_SMI and IB_QPT_GSI have to be the first two entries
174 * here (and in that order) since the MAD layer uses them as
175 * indices into a 2-entry table.
177 MLX4_IB_QPT_SMI = IB_QPT_SMI,
178 MLX4_IB_QPT_GSI = IB_QPT_GSI,
180 MLX4_IB_QPT_RC = IB_QPT_RC,
181 MLX4_IB_QPT_UC = IB_QPT_UC,
182 MLX4_IB_QPT_UD = IB_QPT_UD,
183 MLX4_IB_QPT_RAW_IPV6 = IB_QPT_RAW_IPV6,
184 MLX4_IB_QPT_RAW_ETHERTYPE = IB_QPT_RAW_ETHERTYPE,
185 MLX4_IB_QPT_RAW_PACKET = IB_QPT_RAW_PACKET,
186 MLX4_IB_QPT_XRC_INI = IB_QPT_XRC_INI,
187 MLX4_IB_QPT_XRC_TGT = IB_QPT_XRC_TGT,
189 MLX4_IB_QPT_PROXY_SMI_OWNER = 1 << 16,
190 MLX4_IB_QPT_PROXY_SMI = 1 << 17,
191 MLX4_IB_QPT_PROXY_GSI = 1 << 18,
192 MLX4_IB_QPT_TUN_SMI_OWNER = 1 << 19,
193 MLX4_IB_QPT_TUN_SMI = 1 << 20,
194 MLX4_IB_QPT_TUN_GSI = 1 << 21,
197 #define MLX4_IB_QPT_ANY_SRIOV (MLX4_IB_QPT_PROXY_SMI_OWNER | \
198 MLX4_IB_QPT_PROXY_SMI | MLX4_IB_QPT_PROXY_GSI | MLX4_IB_QPT_TUN_SMI_OWNER | \
199 MLX4_IB_QPT_TUN_SMI | MLX4_IB_QPT_TUN_GSI)
201 enum mlx4_ib_mad_ifc_flags {
202 MLX4_MAD_IFC_IGNORE_MKEY = 1,
203 MLX4_MAD_IFC_IGNORE_BKEY = 2,
204 MLX4_MAD_IFC_IGNORE_KEYS = (MLX4_MAD_IFC_IGNORE_MKEY |
205 MLX4_MAD_IFC_IGNORE_BKEY),
206 MLX4_MAD_IFC_NET_VIEW = 4,
210 MLX4_NUM_TUNNEL_BUFS = 256,
213 struct mlx4_ib_tunnel_header {
228 struct mlx4_rcv_tunnel_hdr {
229 __be32 flags_src_qp; /* flags[6:5] is defined for VLANs:
230 * 0x0 - no vlan was in the packet
231 * 0x01 - C-VLAN was in the packet */
232 u8 g_ml_path; /* gid bit stands for ipv6/4 header in RoCE */
236 __be16 slid_mac_47_32;
240 struct mlx4_ib_proxy_sqp_hdr {
242 struct mlx4_rcv_tunnel_hdr tun;
245 struct mlx4_roce_smac_vlan_info {
250 int candidate_smac_index;
251 int candidate_smac_port;
256 int candidate_vlan_index;
257 int candidate_vlan_port;
267 struct mlx4_ib_wq rq;
270 __be32 sq_signal_bits;
271 unsigned sq_next_wqe;
272 int sq_max_wqes_per_wr;
274 struct mlx4_ib_wq sq;
276 enum mlx4_ib_qp_type mlx4_ib_qp_type;
277 struct ib_umem *umem;
290 struct list_head gid_list;
291 struct list_head steering_rules;
292 struct mlx4_ib_buf *sqp_proxy_rcv;
293 struct mlx4_roce_smac_vlan_info pri;
294 struct mlx4_roce_smac_vlan_info alt;
300 struct mlx4_srq msrq;
308 struct ib_umem *umem;
315 union mlx4_ext_av av;
318 /****************************************/
319 /* alias guid support */
320 /****************************************/
321 #define NUM_PORT_ALIAS_GUID 2
322 #define NUM_ALIAS_GUID_IN_REC 8
323 #define NUM_ALIAS_GUID_REC_IN_PORT 16
324 #define GUID_REC_SIZE 8
325 #define NUM_ALIAS_GUID_PER_PORT 128
326 #define MLX4_NOT_SET_GUID (0x00LL)
327 #define MLX4_GUID_FOR_DELETE_VAL (~(0x00LL))
329 enum mlx4_guid_alias_rec_status {
330 MLX4_GUID_INFO_STATUS_IDLE,
331 MLX4_GUID_INFO_STATUS_SET,
332 MLX4_GUID_INFO_STATUS_PENDING,
335 enum mlx4_guid_alias_rec_ownership {
336 MLX4_GUID_DRIVER_ASSIGN,
337 MLX4_GUID_SYSADMIN_ASSIGN,
338 MLX4_GUID_NONE_ASSIGN, /*init state of each record*/
341 enum mlx4_guid_alias_rec_method {
342 MLX4_GUID_INFO_RECORD_SET = IB_MGMT_METHOD_SET,
343 MLX4_GUID_INFO_RECORD_DELETE = IB_SA_METHOD_DELETE,
346 struct mlx4_sriov_alias_guid_info_rec_det {
347 u8 all_recs[GUID_REC_SIZE * NUM_ALIAS_GUID_IN_REC];
348 ib_sa_comp_mask guid_indexes; /*indicates what from the 8 records are valid*/
349 enum mlx4_guid_alias_rec_status status; /*indicates the administraively status of the record.*/
350 u8 method; /*set or delete*/
351 enum mlx4_guid_alias_rec_ownership ownership; /*indicates who assign that alias_guid record*/
354 struct mlx4_sriov_alias_guid_port_rec_det {
355 struct mlx4_sriov_alias_guid_info_rec_det all_rec_per_port[NUM_ALIAS_GUID_REC_IN_PORT];
356 struct workqueue_struct *wq;
357 struct delayed_work alias_guid_work;
359 struct mlx4_sriov_alias_guid *parent;
360 struct list_head cb_list;
363 struct mlx4_sriov_alias_guid {
364 struct mlx4_sriov_alias_guid_port_rec_det ports_guid[MLX4_MAX_PORTS];
365 spinlock_t ag_work_lock;
366 struct ib_sa_client *sa_client;
369 struct mlx4_ib_demux_work {
370 struct work_struct work;
371 struct mlx4_ib_dev *dev;
378 struct mlx4_ib_tun_tx_buf {
379 struct mlx4_ib_buf buf;
383 struct mlx4_ib_demux_pv_qp {
385 enum ib_qp_type proxy_qpt;
386 struct mlx4_ib_buf *ring;
387 struct mlx4_ib_tun_tx_buf *tx_ring;
393 enum mlx4_ib_demux_pv_state {
395 DEMUX_PV_STATE_STARTING,
396 DEMUX_PV_STATE_ACTIVE,
397 DEMUX_PV_STATE_DOWNING,
400 struct mlx4_ib_demux_pv_ctx {
403 enum mlx4_ib_demux_pv_state state;
405 struct ib_device *ib_dev;
409 struct work_struct work;
410 struct workqueue_struct *wq;
411 struct mlx4_ib_demux_pv_qp qp[2];
414 struct mlx4_ib_demux_ctx {
415 struct ib_device *ib_dev;
417 struct workqueue_struct *wq;
418 struct workqueue_struct *ud_wq;
420 __be64 subnet_prefix;
421 __be64 guid_cache[128];
422 struct mlx4_ib_dev *dev;
423 /* the following lock protects both mcg_table and mcg_mgid0_list */
424 struct mutex mcg_table_lock;
425 struct rb_root mcg_table;
426 struct list_head mcg_mgid0_list;
427 struct workqueue_struct *mcg_wq;
428 struct mlx4_ib_demux_pv_ctx **tun;
430 int flushing; /* flushing the work queue */
433 struct mlx4_ib_sriov {
434 struct mlx4_ib_demux_ctx demux[MLX4_MAX_PORTS];
435 struct mlx4_ib_demux_pv_ctx *sqps[MLX4_MAX_PORTS];
436 /* when using this spinlock you should use "irq" because
437 * it may be called from interrupt context.*/
438 spinlock_t going_down_lock;
441 struct mlx4_sriov_alias_guid alias_guid;
443 /* CM paravirtualization fields */
444 struct list_head cm_list;
445 spinlock_t id_map_lock;
446 struct rb_root sl_id_map;
447 struct idr pv_id_table;
450 struct mlx4_ib_iboe {
452 struct net_device *netdevs[MLX4_MAX_PORTS];
453 struct net_device *masters[MLX4_MAX_PORTS];
454 atomic64_t mac[MLX4_MAX_PORTS];
455 struct notifier_block nb;
456 struct notifier_block nb_inet;
457 struct notifier_block nb_inet6;
458 union ib_gid gid_table[MLX4_MAX_PORTS][128];
462 u8 virt2phys_pkey[MLX4_MFUNC_MAX][MLX4_MAX_PORTS][MLX4_MAX_PORT_PKEYS];
463 u16 phys_pkey_cache[MLX4_MAX_PORTS][MLX4_MAX_PORT_PKEYS];
464 struct list_head pkey_port_list[MLX4_MFUNC_MAX];
465 struct kobject *device_parent[MLX4_MFUNC_MAX];
468 struct mlx4_ib_iov_sysfs_attr {
470 struct kobject *kobj;
474 struct device_attribute dentry;
478 struct mlx4_ib_iov_sysfs_attr_ar {
479 struct mlx4_ib_iov_sysfs_attr dentries[3 * NUM_ALIAS_GUID_PER_PORT + 1];
482 struct mlx4_ib_iov_port {
485 struct mlx4_ib_dev *dev;
486 struct list_head list;
487 struct mlx4_ib_iov_sysfs_attr_ar *dentr_ar;
488 struct ib_port_attr attr;
489 struct kobject *cur_port;
490 struct kobject *admin_alias_parent;
491 struct kobject *gids_parent;
492 struct kobject *pkeys_parent;
493 struct kobject *mcgs_parent;
494 struct mlx4_ib_iov_sysfs_attr mcg_dentry;
498 struct ib_device ib_dev;
499 struct mlx4_dev *dev;
501 void __iomem *uar_map;
503 struct mlx4_uar priv_uar;
505 MLX4_DECLARE_DOORBELL_LOCK(uar_lock);
507 struct ib_mad_agent *send_agent[MLX4_MAX_PORTS][2];
508 struct ib_ah *sm_ah[MLX4_MAX_PORTS];
510 struct mlx4_ib_sriov sriov;
512 struct mutex cap_mask_mutex;
514 struct mlx4_ib_iboe iboe;
515 int counters[MLX4_MAX_PORTS];
518 struct kobject *iov_parent;
519 struct kobject *ports_parent;
520 struct kobject *dev_ports_parent[MLX4_MFUNC_MAX];
521 struct mlx4_ib_iov_port iov_ports[MLX4_MAX_PORTS];
522 struct pkey_mgt pkeys;
523 unsigned long *ib_uc_qpns_bitmap;
526 int steering_support;
527 struct mlx4_ib_qp *qp1_proxy[MLX4_MAX_PORTS];
528 /* lock when destroying qp1_proxy and getting netdev events */
529 struct mutex qp1_proxy_lock[MLX4_MAX_PORTS];
532 struct ib_event_work {
533 struct work_struct work;
534 struct mlx4_ib_dev *ib_dev;
535 struct mlx4_eqe ib_eqe;
538 struct mlx4_ib_qp_tunnel_init_attr {
539 struct ib_qp_init_attr init_attr;
541 enum ib_qp_type proxy_qp_type;
545 static inline struct mlx4_ib_dev *to_mdev(struct ib_device *ibdev)
547 return container_of(ibdev, struct mlx4_ib_dev, ib_dev);
550 static inline struct mlx4_ib_ucontext *to_mucontext(struct ib_ucontext *ibucontext)
552 return container_of(ibucontext, struct mlx4_ib_ucontext, ibucontext);
555 static inline struct mlx4_ib_pd *to_mpd(struct ib_pd *ibpd)
557 return container_of(ibpd, struct mlx4_ib_pd, ibpd);
560 static inline struct mlx4_ib_xrcd *to_mxrcd(struct ib_xrcd *ibxrcd)
562 return container_of(ibxrcd, struct mlx4_ib_xrcd, ibxrcd);
565 static inline struct mlx4_ib_cq *to_mcq(struct ib_cq *ibcq)
567 return container_of(ibcq, struct mlx4_ib_cq, ibcq);
570 static inline struct mlx4_ib_cq *to_mibcq(struct mlx4_cq *mcq)
572 return container_of(mcq, struct mlx4_ib_cq, mcq);
575 static inline struct mlx4_ib_mr *to_mmr(struct ib_mr *ibmr)
577 return container_of(ibmr, struct mlx4_ib_mr, ibmr);
580 static inline struct mlx4_ib_mw *to_mmw(struct ib_mw *ibmw)
582 return container_of(ibmw, struct mlx4_ib_mw, ibmw);
585 static inline struct mlx4_ib_fast_reg_page_list *to_mfrpl(struct ib_fast_reg_page_list *ibfrpl)
587 return container_of(ibfrpl, struct mlx4_ib_fast_reg_page_list, ibfrpl);
590 static inline struct mlx4_ib_fmr *to_mfmr(struct ib_fmr *ibfmr)
592 return container_of(ibfmr, struct mlx4_ib_fmr, ibfmr);
595 static inline struct mlx4_ib_flow *to_mflow(struct ib_flow *ibflow)
597 return container_of(ibflow, struct mlx4_ib_flow, ibflow);
600 static inline struct mlx4_ib_qp *to_mqp(struct ib_qp *ibqp)
602 return container_of(ibqp, struct mlx4_ib_qp, ibqp);
605 static inline struct mlx4_ib_qp *to_mibqp(struct mlx4_qp *mqp)
607 return container_of(mqp, struct mlx4_ib_qp, mqp);
610 static inline struct mlx4_ib_srq *to_msrq(struct ib_srq *ibsrq)
612 return container_of(ibsrq, struct mlx4_ib_srq, ibsrq);
615 static inline struct mlx4_ib_srq *to_mibsrq(struct mlx4_srq *msrq)
617 return container_of(msrq, struct mlx4_ib_srq, msrq);
620 static inline struct mlx4_ib_ah *to_mah(struct ib_ah *ibah)
622 return container_of(ibah, struct mlx4_ib_ah, ibah);
625 int mlx4_ib_init_sriov(struct mlx4_ib_dev *dev);
626 void mlx4_ib_close_sriov(struct mlx4_ib_dev *dev);
628 int mlx4_ib_db_map_user(struct mlx4_ib_ucontext *context, unsigned long virt,
630 void mlx4_ib_db_unmap_user(struct mlx4_ib_ucontext *context, struct mlx4_db *db);
632 struct ib_mr *mlx4_ib_get_dma_mr(struct ib_pd *pd, int acc);
633 int mlx4_ib_umem_write_mtt(struct mlx4_ib_dev *dev, struct mlx4_mtt *mtt,
634 struct ib_umem *umem);
635 struct ib_mr *mlx4_ib_reg_user_mr(struct ib_pd *pd, u64 start, u64 length,
636 u64 virt_addr, int access_flags,
637 struct ib_udata *udata);
638 int mlx4_ib_dereg_mr(struct ib_mr *mr);
639 struct ib_mw *mlx4_ib_alloc_mw(struct ib_pd *pd, enum ib_mw_type type);
640 int mlx4_ib_bind_mw(struct ib_qp *qp, struct ib_mw *mw,
641 struct ib_mw_bind *mw_bind);
642 int mlx4_ib_dealloc_mw(struct ib_mw *mw);
643 struct ib_mr *mlx4_ib_alloc_fast_reg_mr(struct ib_pd *pd,
644 int max_page_list_len);
645 struct ib_fast_reg_page_list *mlx4_ib_alloc_fast_reg_page_list(struct ib_device *ibdev,
647 void mlx4_ib_free_fast_reg_page_list(struct ib_fast_reg_page_list *page_list);
649 int mlx4_ib_modify_cq(struct ib_cq *cq, u16 cq_count, u16 cq_period);
650 int mlx4_ib_resize_cq(struct ib_cq *ibcq, int entries, struct ib_udata *udata);
651 struct ib_cq *mlx4_ib_create_cq(struct ib_device *ibdev, int entries, int vector,
652 struct ib_ucontext *context,
653 struct ib_udata *udata);
654 int mlx4_ib_destroy_cq(struct ib_cq *cq);
655 int mlx4_ib_poll_cq(struct ib_cq *ibcq, int num_entries, struct ib_wc *wc);
656 int mlx4_ib_arm_cq(struct ib_cq *cq, enum ib_cq_notify_flags flags);
657 void __mlx4_ib_cq_clean(struct mlx4_ib_cq *cq, u32 qpn, struct mlx4_ib_srq *srq);
658 void mlx4_ib_cq_clean(struct mlx4_ib_cq *cq, u32 qpn, struct mlx4_ib_srq *srq);
660 struct ib_ah *mlx4_ib_create_ah(struct ib_pd *pd, struct ib_ah_attr *ah_attr);
661 int mlx4_ib_query_ah(struct ib_ah *ibah, struct ib_ah_attr *ah_attr);
662 int mlx4_ib_destroy_ah(struct ib_ah *ah);
664 struct ib_srq *mlx4_ib_create_srq(struct ib_pd *pd,
665 struct ib_srq_init_attr *init_attr,
666 struct ib_udata *udata);
667 int mlx4_ib_modify_srq(struct ib_srq *ibsrq, struct ib_srq_attr *attr,
668 enum ib_srq_attr_mask attr_mask, struct ib_udata *udata);
669 int mlx4_ib_query_srq(struct ib_srq *srq, struct ib_srq_attr *srq_attr);
670 int mlx4_ib_destroy_srq(struct ib_srq *srq);
671 void mlx4_ib_free_srq_wqe(struct mlx4_ib_srq *srq, int wqe_index);
672 int mlx4_ib_post_srq_recv(struct ib_srq *ibsrq, struct ib_recv_wr *wr,
673 struct ib_recv_wr **bad_wr);
675 struct ib_qp *mlx4_ib_create_qp(struct ib_pd *pd,
676 struct ib_qp_init_attr *init_attr,
677 struct ib_udata *udata);
678 int mlx4_ib_destroy_qp(struct ib_qp *qp);
679 int mlx4_ib_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr,
680 int attr_mask, struct ib_udata *udata);
681 int mlx4_ib_query_qp(struct ib_qp *ibqp, struct ib_qp_attr *qp_attr, int qp_attr_mask,
682 struct ib_qp_init_attr *qp_init_attr);
683 int mlx4_ib_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr,
684 struct ib_send_wr **bad_wr);
685 int mlx4_ib_post_recv(struct ib_qp *ibqp, struct ib_recv_wr *wr,
686 struct ib_recv_wr **bad_wr);
688 int mlx4_MAD_IFC(struct mlx4_ib_dev *dev, int mad_ifc_flags,
689 int port, struct ib_wc *in_wc, struct ib_grh *in_grh,
690 void *in_mad, void *response_mad);
691 int mlx4_ib_process_mad(struct ib_device *ibdev, int mad_flags, u8 port_num,
692 struct ib_wc *in_wc, struct ib_grh *in_grh,
693 struct ib_mad *in_mad, struct ib_mad *out_mad);
694 int mlx4_ib_mad_init(struct mlx4_ib_dev *dev);
695 void mlx4_ib_mad_cleanup(struct mlx4_ib_dev *dev);
697 struct ib_fmr *mlx4_ib_fmr_alloc(struct ib_pd *pd, int mr_access_flags,
698 struct ib_fmr_attr *fmr_attr);
699 int mlx4_ib_map_phys_fmr(struct ib_fmr *ibfmr, u64 *page_list, int npages,
701 int mlx4_ib_unmap_fmr(struct list_head *fmr_list);
702 int mlx4_ib_fmr_dealloc(struct ib_fmr *fmr);
703 int __mlx4_ib_query_port(struct ib_device *ibdev, u8 port,
704 struct ib_port_attr *props, int netw_view);
705 int __mlx4_ib_query_pkey(struct ib_device *ibdev, u8 port, u16 index,
706 u16 *pkey, int netw_view);
708 int __mlx4_ib_query_gid(struct ib_device *ibdev, u8 port, int index,
709 union ib_gid *gid, int netw_view);
711 static inline bool mlx4_ib_ah_grh_present(struct mlx4_ib_ah *ah)
713 u8 port = be32_to_cpu(ah->av.ib.port_pd) >> 24 & 3;
715 if (rdma_port_get_link_layer(ah->ibah.device, port) == IB_LINK_LAYER_ETHERNET)
718 return !!(ah->av.ib.g_slid & 0x80);
721 int mlx4_ib_mcg_port_init(struct mlx4_ib_demux_ctx *ctx);
722 void mlx4_ib_mcg_port_cleanup(struct mlx4_ib_demux_ctx *ctx, int destroy_wq);
723 void clean_vf_mcast(struct mlx4_ib_demux_ctx *ctx, int slave);
724 int mlx4_ib_mcg_init(void);
725 void mlx4_ib_mcg_destroy(void);
727 int mlx4_ib_find_real_gid(struct ib_device *ibdev, u8 port, __be64 guid);
729 int mlx4_ib_mcg_multiplex_handler(struct ib_device *ibdev, int port, int slave,
730 struct ib_sa_mad *sa_mad);
731 int mlx4_ib_mcg_demux_handler(struct ib_device *ibdev, int port, int slave,
732 struct ib_sa_mad *mad);
734 int mlx4_ib_add_mc(struct mlx4_ib_dev *mdev, struct mlx4_ib_qp *mqp,
737 void mlx4_ib_dispatch_event(struct mlx4_ib_dev *dev, u8 port_num,
738 enum ib_event_type type);
740 void mlx4_ib_tunnels_update_work(struct work_struct *work);
742 int mlx4_ib_send_to_slave(struct mlx4_ib_dev *dev, int slave, u8 port,
743 enum ib_qp_type qpt, struct ib_wc *wc,
744 struct ib_grh *grh, struct ib_mad *mad);
746 int mlx4_ib_send_to_wire(struct mlx4_ib_dev *dev, int slave, u8 port,
747 enum ib_qp_type dest_qpt, u16 pkey_index, u32 remote_qpn,
748 u32 qkey, struct ib_ah_attr *attr, u8 *s_mac,
751 __be64 mlx4_ib_get_new_demux_tid(struct mlx4_ib_demux_ctx *ctx);
753 int mlx4_ib_demux_cm_handler(struct ib_device *ibdev, int port, int *slave,
756 int mlx4_ib_multiplex_cm_handler(struct ib_device *ibdev, int port, int slave_id,
759 void mlx4_ib_cm_paravirt_init(struct mlx4_ib_dev *dev);
760 void mlx4_ib_cm_paravirt_clean(struct mlx4_ib_dev *dev, int slave_id);
762 /* alias guid support */
763 void mlx4_ib_init_alias_guid_work(struct mlx4_ib_dev *dev, int port);
764 int mlx4_ib_init_alias_guid_service(struct mlx4_ib_dev *dev);
765 void mlx4_ib_destroy_alias_guid_service(struct mlx4_ib_dev *dev);
766 void mlx4_ib_invalidate_all_guid_record(struct mlx4_ib_dev *dev, int port);
768 void mlx4_ib_notify_slaves_on_guid_change(struct mlx4_ib_dev *dev,
770 u8 port_num, u8 *p_data);
772 void mlx4_ib_update_cache_on_guid_change(struct mlx4_ib_dev *dev,
773 int block_num, u8 port_num,
776 int add_sysfs_port_mcg_attr(struct mlx4_ib_dev *device, int port_num,
777 struct attribute *attr);
778 void del_sysfs_port_mcg_attr(struct mlx4_ib_dev *device, int port_num,
779 struct attribute *attr);
780 ib_sa_comp_mask mlx4_ib_get_aguid_comp_mask_from_ix(int index);
782 int mlx4_ib_device_register_sysfs(struct mlx4_ib_dev *device) ;
784 void mlx4_ib_device_unregister_sysfs(struct mlx4_ib_dev *device);
786 __be64 mlx4_ib_gen_node_guid(void);
788 int mlx4_ib_steer_qp_alloc(struct mlx4_ib_dev *dev, int count, int *qpn);
789 void mlx4_ib_steer_qp_free(struct mlx4_ib_dev *dev, u32 qpn, int count);
790 int mlx4_ib_steer_qp_reg(struct mlx4_ib_dev *mdev, struct mlx4_ib_qp *mqp,
792 int mlx4_ib_rereg_user_mr(struct ib_mr *mr, int flags,
793 u64 start, u64 length, u64 virt_addr,
794 int mr_access_flags, struct ib_pd *pd,
795 struct ib_udata *udata);
797 #endif /* MLX4_IB_H */