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
81 struct mlx4_ib_vma_private_data {
82 struct vm_area_struct *vma;
85 struct mlx4_ib_ucontext {
86 struct ib_ucontext ibucontext;
88 struct list_head db_page_list;
89 struct mutex db_page_mutex;
90 struct mlx4_ib_vma_private_data hw_bar_info[HW_BAR_COUNT];
99 struct ib_xrcd ibxrcd;
105 struct mlx4_ib_cq_buf {
111 struct mlx4_ib_cq_resize {
112 struct mlx4_ib_cq_buf buf;
119 struct mlx4_ib_cq_buf buf;
120 struct mlx4_ib_cq_resize *resize_buf;
123 struct mutex resize_mutex;
124 struct ib_umem *umem;
125 struct ib_umem *resize_umem;
127 /* List of qps that it serves.*/
128 struct list_head send_qp_list;
129 struct list_head recv_qp_list;
132 #define MLX4_MR_PAGES_ALIGN 0x40
141 struct ib_umem *umem;
142 size_t page_map_size;
152 struct mlx4_fmr mfmr;
155 #define MAX_REGS_PER_FLOW 2
157 struct mlx4_flow_reg_id {
162 struct mlx4_ib_flow {
163 struct ib_flow ibflow;
164 /* translating DMFS verbs sniffer rule to FW API requires two reg IDs */
165 struct mlx4_flow_reg_id reg_id[MAX_REGS_PER_FLOW];
181 MLX4_IB_QP_CREATE_ROCE_V2_GSI = IB_QP_CREATE_RESERVED_START
184 enum mlx4_ib_qp_flags {
185 MLX4_IB_QP_LSO = IB_QP_CREATE_IPOIB_UD_LSO,
186 MLX4_IB_QP_BLOCK_MULTICAST_LOOPBACK = IB_QP_CREATE_BLOCK_MULTICAST_LOOPBACK,
187 MLX4_IB_QP_NETIF = IB_QP_CREATE_NETIF_QP,
188 MLX4_IB_QP_CREATE_USE_GFP_NOIO = IB_QP_CREATE_USE_GFP_NOIO,
190 /* Mellanox specific flags start from IB_QP_CREATE_RESERVED_START */
191 MLX4_IB_ROCE_V2_GSI_QP = MLX4_IB_QP_CREATE_ROCE_V2_GSI,
192 MLX4_IB_SRIOV_TUNNEL_QP = 1 << 30,
193 MLX4_IB_SRIOV_SQP = 1 << 31,
196 struct mlx4_ib_gid_entry {
197 struct list_head list;
203 enum mlx4_ib_qp_type {
205 * IB_QPT_SMI and IB_QPT_GSI have to be the first two entries
206 * here (and in that order) since the MAD layer uses them as
207 * indices into a 2-entry table.
209 MLX4_IB_QPT_SMI = IB_QPT_SMI,
210 MLX4_IB_QPT_GSI = IB_QPT_GSI,
212 MLX4_IB_QPT_RC = IB_QPT_RC,
213 MLX4_IB_QPT_UC = IB_QPT_UC,
214 MLX4_IB_QPT_UD = IB_QPT_UD,
215 MLX4_IB_QPT_RAW_IPV6 = IB_QPT_RAW_IPV6,
216 MLX4_IB_QPT_RAW_ETHERTYPE = IB_QPT_RAW_ETHERTYPE,
217 MLX4_IB_QPT_RAW_PACKET = IB_QPT_RAW_PACKET,
218 MLX4_IB_QPT_XRC_INI = IB_QPT_XRC_INI,
219 MLX4_IB_QPT_XRC_TGT = IB_QPT_XRC_TGT,
221 MLX4_IB_QPT_PROXY_SMI_OWNER = 1 << 16,
222 MLX4_IB_QPT_PROXY_SMI = 1 << 17,
223 MLX4_IB_QPT_PROXY_GSI = 1 << 18,
224 MLX4_IB_QPT_TUN_SMI_OWNER = 1 << 19,
225 MLX4_IB_QPT_TUN_SMI = 1 << 20,
226 MLX4_IB_QPT_TUN_GSI = 1 << 21,
229 #define MLX4_IB_QPT_ANY_SRIOV (MLX4_IB_QPT_PROXY_SMI_OWNER | \
230 MLX4_IB_QPT_PROXY_SMI | MLX4_IB_QPT_PROXY_GSI | MLX4_IB_QPT_TUN_SMI_OWNER | \
231 MLX4_IB_QPT_TUN_SMI | MLX4_IB_QPT_TUN_GSI)
233 enum mlx4_ib_mad_ifc_flags {
234 MLX4_MAD_IFC_IGNORE_MKEY = 1,
235 MLX4_MAD_IFC_IGNORE_BKEY = 2,
236 MLX4_MAD_IFC_IGNORE_KEYS = (MLX4_MAD_IFC_IGNORE_MKEY |
237 MLX4_MAD_IFC_IGNORE_BKEY),
238 MLX4_MAD_IFC_NET_VIEW = 4,
242 MLX4_NUM_TUNNEL_BUFS = 256,
245 struct mlx4_ib_tunnel_header {
260 struct mlx4_rcv_tunnel_hdr {
261 __be32 flags_src_qp; /* flags[6:5] is defined for VLANs:
262 * 0x0 - no vlan was in the packet
263 * 0x01 - C-VLAN was in the packet */
264 u8 g_ml_path; /* gid bit stands for ipv6/4 header in RoCE */
268 __be16 slid_mac_47_32;
272 struct mlx4_ib_proxy_sqp_hdr {
274 struct mlx4_rcv_tunnel_hdr tun;
277 struct mlx4_roce_smac_vlan_info {
282 int candidate_smac_index;
283 int candidate_smac_port;
288 int candidate_vlan_index;
289 int candidate_vlan_port;
299 struct mlx4_ib_wq rq;
302 __be32 sq_signal_bits;
303 unsigned sq_next_wqe;
304 int sq_max_wqes_per_wr;
306 struct mlx4_ib_wq sq;
308 enum mlx4_ib_qp_type mlx4_ib_qp_type;
309 struct ib_umem *umem;
322 struct list_head gid_list;
323 struct list_head steering_rules;
324 struct mlx4_ib_buf *sqp_proxy_rcv;
325 struct mlx4_roce_smac_vlan_info pri;
326 struct mlx4_roce_smac_vlan_info alt;
328 struct list_head qps_list;
329 struct list_head cq_recv_list;
330 struct list_head cq_send_list;
331 struct counter_index *counter_index;
336 struct mlx4_srq msrq;
344 struct ib_umem *umem;
351 union mlx4_ext_av av;
354 /****************************************/
355 /* alias guid support */
356 /****************************************/
357 #define NUM_PORT_ALIAS_GUID 2
358 #define NUM_ALIAS_GUID_IN_REC 8
359 #define NUM_ALIAS_GUID_REC_IN_PORT 16
360 #define GUID_REC_SIZE 8
361 #define NUM_ALIAS_GUID_PER_PORT 128
362 #define MLX4_NOT_SET_GUID (0x00LL)
363 #define MLX4_GUID_FOR_DELETE_VAL (~(0x00LL))
365 enum mlx4_guid_alias_rec_status {
366 MLX4_GUID_INFO_STATUS_IDLE,
367 MLX4_GUID_INFO_STATUS_SET,
370 #define GUID_STATE_NEED_PORT_INIT 0x01
372 enum mlx4_guid_alias_rec_method {
373 MLX4_GUID_INFO_RECORD_SET = IB_MGMT_METHOD_SET,
374 MLX4_GUID_INFO_RECORD_DELETE = IB_SA_METHOD_DELETE,
377 struct mlx4_sriov_alias_guid_info_rec_det {
378 u8 all_recs[GUID_REC_SIZE * NUM_ALIAS_GUID_IN_REC];
379 ib_sa_comp_mask guid_indexes; /*indicates what from the 8 records are valid*/
380 enum mlx4_guid_alias_rec_status status; /*indicates the administraively status of the record.*/
381 unsigned int guids_retry_schedule[NUM_ALIAS_GUID_IN_REC];
385 struct mlx4_sriov_alias_guid_port_rec_det {
386 struct mlx4_sriov_alias_guid_info_rec_det all_rec_per_port[NUM_ALIAS_GUID_REC_IN_PORT];
387 struct workqueue_struct *wq;
388 struct delayed_work alias_guid_work;
391 struct mlx4_sriov_alias_guid *parent;
392 struct list_head cb_list;
395 struct mlx4_sriov_alias_guid {
396 struct mlx4_sriov_alias_guid_port_rec_det ports_guid[MLX4_MAX_PORTS];
397 spinlock_t ag_work_lock;
398 struct ib_sa_client *sa_client;
401 struct mlx4_ib_demux_work {
402 struct work_struct work;
403 struct mlx4_ib_dev *dev;
410 struct mlx4_ib_tun_tx_buf {
411 struct mlx4_ib_buf buf;
415 struct mlx4_ib_demux_pv_qp {
417 enum ib_qp_type proxy_qpt;
418 struct mlx4_ib_buf *ring;
419 struct mlx4_ib_tun_tx_buf *tx_ring;
425 enum mlx4_ib_demux_pv_state {
427 DEMUX_PV_STATE_STARTING,
428 DEMUX_PV_STATE_ACTIVE,
429 DEMUX_PV_STATE_DOWNING,
432 struct mlx4_ib_demux_pv_ctx {
435 enum mlx4_ib_demux_pv_state state;
437 struct ib_device *ib_dev;
440 struct work_struct work;
441 struct workqueue_struct *wq;
442 struct workqueue_struct *wi_wq;
443 struct mlx4_ib_demux_pv_qp qp[2];
446 struct mlx4_ib_demux_ctx {
447 struct ib_device *ib_dev;
449 struct workqueue_struct *wq;
450 struct workqueue_struct *wi_wq;
451 struct workqueue_struct *ud_wq;
453 atomic64_t subnet_prefix;
454 __be64 guid_cache[128];
455 struct mlx4_ib_dev *dev;
456 /* the following lock protects both mcg_table and mcg_mgid0_list */
457 struct mutex mcg_table_lock;
458 struct rb_root mcg_table;
459 struct list_head mcg_mgid0_list;
460 struct workqueue_struct *mcg_wq;
461 struct mlx4_ib_demux_pv_ctx **tun;
463 int flushing; /* flushing the work queue */
466 struct mlx4_ib_sriov {
467 struct mlx4_ib_demux_ctx demux[MLX4_MAX_PORTS];
468 struct mlx4_ib_demux_pv_ctx *sqps[MLX4_MAX_PORTS];
469 /* when using this spinlock you should use "irq" because
470 * it may be called from interrupt context.*/
471 spinlock_t going_down_lock;
474 struct mlx4_sriov_alias_guid alias_guid;
476 /* CM paravirtualization fields */
477 struct list_head cm_list;
478 spinlock_t id_map_lock;
479 struct rb_root sl_id_map;
480 struct idr pv_id_table;
483 struct gid_cache_context {
490 enum ib_gid_type gid_type;
491 struct gid_cache_context *ctx;
494 struct mlx4_port_gid_table {
495 struct gid_entry gids[MLX4_MAX_PORT_GIDS];
498 struct mlx4_ib_iboe {
500 struct net_device *netdevs[MLX4_MAX_PORTS];
501 atomic64_t mac[MLX4_MAX_PORTS];
502 struct notifier_block nb;
503 struct mlx4_port_gid_table gids[MLX4_MAX_PORTS];
507 u8 virt2phys_pkey[MLX4_MFUNC_MAX][MLX4_MAX_PORTS][MLX4_MAX_PORT_PKEYS];
508 u16 phys_pkey_cache[MLX4_MAX_PORTS][MLX4_MAX_PORT_PKEYS];
509 struct list_head pkey_port_list[MLX4_MFUNC_MAX];
510 struct kobject *device_parent[MLX4_MFUNC_MAX];
513 struct mlx4_ib_iov_sysfs_attr {
515 struct kobject *kobj;
519 struct device_attribute dentry;
523 struct mlx4_ib_iov_sysfs_attr_ar {
524 struct mlx4_ib_iov_sysfs_attr dentries[3 * NUM_ALIAS_GUID_PER_PORT + 1];
527 struct mlx4_ib_iov_port {
530 struct mlx4_ib_dev *dev;
531 struct list_head list;
532 struct mlx4_ib_iov_sysfs_attr_ar *dentr_ar;
533 struct ib_port_attr attr;
534 struct kobject *cur_port;
535 struct kobject *admin_alias_parent;
536 struct kobject *gids_parent;
537 struct kobject *pkeys_parent;
538 struct kobject *mcgs_parent;
539 struct mlx4_ib_iov_sysfs_attr mcg_dentry;
542 struct counter_index {
543 struct list_head list;
548 struct mlx4_ib_counters {
549 struct list_head counters_list;
550 struct mutex mutex; /* mutex for accessing counters list */
554 #define MLX4_DIAG_COUNTERS_TYPES 2
556 struct mlx4_ib_diag_counters {
563 struct ib_device ib_dev;
564 struct mlx4_dev *dev;
566 void __iomem *uar_map;
568 struct mlx4_uar priv_uar;
570 MLX4_DECLARE_DOORBELL_LOCK(uar_lock);
572 struct ib_mad_agent *send_agent[MLX4_MAX_PORTS][2];
573 struct ib_ah *sm_ah[MLX4_MAX_PORTS];
575 atomic64_t sl2vl[MLX4_MAX_PORTS];
576 struct mlx4_ib_sriov sriov;
578 struct mutex cap_mask_mutex;
580 struct mlx4_ib_iboe iboe;
581 struct mlx4_ib_counters counters_table[MLX4_MAX_PORTS];
583 struct kobject *iov_parent;
584 struct kobject *ports_parent;
585 struct kobject *dev_ports_parent[MLX4_MFUNC_MAX];
586 struct mlx4_ib_iov_port iov_ports[MLX4_MAX_PORTS];
587 struct pkey_mgt pkeys;
588 unsigned long *ib_uc_qpns_bitmap;
591 int steering_support;
592 struct mlx4_ib_qp *qp1_proxy[MLX4_MAX_PORTS];
593 /* lock when destroying qp1_proxy and getting netdev events */
594 struct mutex qp1_proxy_lock[MLX4_MAX_PORTS];
596 /* protect resources needed as part of reset flow */
597 spinlock_t reset_flow_resource_lock;
598 struct list_head qp_list;
599 struct mlx4_ib_diag_counters diag_counters[MLX4_DIAG_COUNTERS_TYPES];
602 struct ib_event_work {
603 struct work_struct work;
604 struct mlx4_ib_dev *ib_dev;
605 struct mlx4_eqe ib_eqe;
609 struct mlx4_ib_qp_tunnel_init_attr {
610 struct ib_qp_init_attr init_attr;
612 enum ib_qp_type proxy_qp_type;
616 struct mlx4_uverbs_ex_query_device {
621 enum query_device_resp_mask {
622 QUERY_DEVICE_RESP_MASK_TIMESTAMP = 1UL << 0,
625 struct mlx4_uverbs_ex_query_device_resp {
627 __u32 response_length;
628 __u64 hca_core_clock_offset;
631 static inline struct mlx4_ib_dev *to_mdev(struct ib_device *ibdev)
633 return container_of(ibdev, struct mlx4_ib_dev, ib_dev);
636 static inline struct mlx4_ib_ucontext *to_mucontext(struct ib_ucontext *ibucontext)
638 return container_of(ibucontext, struct mlx4_ib_ucontext, ibucontext);
641 static inline struct mlx4_ib_pd *to_mpd(struct ib_pd *ibpd)
643 return container_of(ibpd, struct mlx4_ib_pd, ibpd);
646 static inline struct mlx4_ib_xrcd *to_mxrcd(struct ib_xrcd *ibxrcd)
648 return container_of(ibxrcd, struct mlx4_ib_xrcd, ibxrcd);
651 static inline struct mlx4_ib_cq *to_mcq(struct ib_cq *ibcq)
653 return container_of(ibcq, struct mlx4_ib_cq, ibcq);
656 static inline struct mlx4_ib_cq *to_mibcq(struct mlx4_cq *mcq)
658 return container_of(mcq, struct mlx4_ib_cq, mcq);
661 static inline struct mlx4_ib_mr *to_mmr(struct ib_mr *ibmr)
663 return container_of(ibmr, struct mlx4_ib_mr, ibmr);
666 static inline struct mlx4_ib_mw *to_mmw(struct ib_mw *ibmw)
668 return container_of(ibmw, struct mlx4_ib_mw, ibmw);
671 static inline struct mlx4_ib_fmr *to_mfmr(struct ib_fmr *ibfmr)
673 return container_of(ibfmr, struct mlx4_ib_fmr, ibfmr);
676 static inline struct mlx4_ib_flow *to_mflow(struct ib_flow *ibflow)
678 return container_of(ibflow, struct mlx4_ib_flow, ibflow);
681 static inline struct mlx4_ib_qp *to_mqp(struct ib_qp *ibqp)
683 return container_of(ibqp, struct mlx4_ib_qp, ibqp);
686 static inline struct mlx4_ib_qp *to_mibqp(struct mlx4_qp *mqp)
688 return container_of(mqp, struct mlx4_ib_qp, mqp);
691 static inline struct mlx4_ib_srq *to_msrq(struct ib_srq *ibsrq)
693 return container_of(ibsrq, struct mlx4_ib_srq, ibsrq);
696 static inline struct mlx4_ib_srq *to_mibsrq(struct mlx4_srq *msrq)
698 return container_of(msrq, struct mlx4_ib_srq, msrq);
701 static inline struct mlx4_ib_ah *to_mah(struct ib_ah *ibah)
703 return container_of(ibah, struct mlx4_ib_ah, ibah);
706 static inline u8 mlx4_ib_bond_next_port(struct mlx4_ib_dev *dev)
708 dev->bond_next_port = (dev->bond_next_port + 1) % dev->num_ports;
710 return dev->bond_next_port + 1;
713 int mlx4_ib_init_sriov(struct mlx4_ib_dev *dev);
714 void mlx4_ib_close_sriov(struct mlx4_ib_dev *dev);
716 int mlx4_ib_db_map_user(struct mlx4_ib_ucontext *context, unsigned long virt,
718 void mlx4_ib_db_unmap_user(struct mlx4_ib_ucontext *context, struct mlx4_db *db);
720 struct ib_mr *mlx4_ib_get_dma_mr(struct ib_pd *pd, int acc);
721 int mlx4_ib_umem_write_mtt(struct mlx4_ib_dev *dev, struct mlx4_mtt *mtt,
722 struct ib_umem *umem);
723 struct ib_mr *mlx4_ib_reg_user_mr(struct ib_pd *pd, u64 start, u64 length,
724 u64 virt_addr, int access_flags,
725 struct ib_udata *udata);
726 int mlx4_ib_dereg_mr(struct ib_mr *mr);
727 struct ib_mw *mlx4_ib_alloc_mw(struct ib_pd *pd, enum ib_mw_type type,
728 struct ib_udata *udata);
729 int mlx4_ib_dealloc_mw(struct ib_mw *mw);
730 struct ib_mr *mlx4_ib_alloc_mr(struct ib_pd *pd,
731 enum ib_mr_type mr_type,
733 int mlx4_ib_map_mr_sg(struct ib_mr *ibmr, struct scatterlist *sg, int sg_nents,
734 unsigned int *sg_offset);
735 int mlx4_ib_modify_cq(struct ib_cq *cq, u16 cq_count, u16 cq_period);
736 int mlx4_ib_resize_cq(struct ib_cq *ibcq, int entries, struct ib_udata *udata);
737 struct ib_cq *mlx4_ib_create_cq(struct ib_device *ibdev,
738 const struct ib_cq_init_attr *attr,
739 struct ib_ucontext *context,
740 struct ib_udata *udata);
741 int mlx4_ib_destroy_cq(struct ib_cq *cq);
742 int mlx4_ib_poll_cq(struct ib_cq *ibcq, int num_entries, struct ib_wc *wc);
743 int mlx4_ib_arm_cq(struct ib_cq *cq, enum ib_cq_notify_flags flags);
744 void __mlx4_ib_cq_clean(struct mlx4_ib_cq *cq, u32 qpn, struct mlx4_ib_srq *srq);
745 void mlx4_ib_cq_clean(struct mlx4_ib_cq *cq, u32 qpn, struct mlx4_ib_srq *srq);
747 struct ib_ah *mlx4_ib_create_ah(struct ib_pd *pd, struct ib_ah_attr *ah_attr);
748 int mlx4_ib_query_ah(struct ib_ah *ibah, struct ib_ah_attr *ah_attr);
749 int mlx4_ib_destroy_ah(struct ib_ah *ah);
751 struct ib_srq *mlx4_ib_create_srq(struct ib_pd *pd,
752 struct ib_srq_init_attr *init_attr,
753 struct ib_udata *udata);
754 int mlx4_ib_modify_srq(struct ib_srq *ibsrq, struct ib_srq_attr *attr,
755 enum ib_srq_attr_mask attr_mask, struct ib_udata *udata);
756 int mlx4_ib_query_srq(struct ib_srq *srq, struct ib_srq_attr *srq_attr);
757 int mlx4_ib_destroy_srq(struct ib_srq *srq);
758 void mlx4_ib_free_srq_wqe(struct mlx4_ib_srq *srq, int wqe_index);
759 int mlx4_ib_post_srq_recv(struct ib_srq *ibsrq, struct ib_recv_wr *wr,
760 struct ib_recv_wr **bad_wr);
762 struct ib_qp *mlx4_ib_create_qp(struct ib_pd *pd,
763 struct ib_qp_init_attr *init_attr,
764 struct ib_udata *udata);
765 int mlx4_ib_destroy_qp(struct ib_qp *qp);
766 int mlx4_ib_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr,
767 int attr_mask, struct ib_udata *udata);
768 int mlx4_ib_query_qp(struct ib_qp *ibqp, struct ib_qp_attr *qp_attr, int qp_attr_mask,
769 struct ib_qp_init_attr *qp_init_attr);
770 int mlx4_ib_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr,
771 struct ib_send_wr **bad_wr);
772 int mlx4_ib_post_recv(struct ib_qp *ibqp, struct ib_recv_wr *wr,
773 struct ib_recv_wr **bad_wr);
775 int mlx4_MAD_IFC(struct mlx4_ib_dev *dev, int mad_ifc_flags,
776 int port, const struct ib_wc *in_wc, const struct ib_grh *in_grh,
777 const void *in_mad, void *response_mad);
778 int mlx4_ib_process_mad(struct ib_device *ibdev, int mad_flags, u8 port_num,
779 const struct ib_wc *in_wc, const struct ib_grh *in_grh,
780 const struct ib_mad_hdr *in, size_t in_mad_size,
781 struct ib_mad_hdr *out, size_t *out_mad_size,
782 u16 *out_mad_pkey_index);
783 int mlx4_ib_mad_init(struct mlx4_ib_dev *dev);
784 void mlx4_ib_mad_cleanup(struct mlx4_ib_dev *dev);
786 struct ib_fmr *mlx4_ib_fmr_alloc(struct ib_pd *pd, int mr_access_flags,
787 struct ib_fmr_attr *fmr_attr);
788 int mlx4_ib_map_phys_fmr(struct ib_fmr *ibfmr, u64 *page_list, int npages,
790 int mlx4_ib_unmap_fmr(struct list_head *fmr_list);
791 int mlx4_ib_fmr_dealloc(struct ib_fmr *fmr);
792 int __mlx4_ib_query_port(struct ib_device *ibdev, u8 port,
793 struct ib_port_attr *props, int netw_view);
794 int __mlx4_ib_query_pkey(struct ib_device *ibdev, u8 port, u16 index,
795 u16 *pkey, int netw_view);
797 int __mlx4_ib_query_gid(struct ib_device *ibdev, u8 port, int index,
798 union ib_gid *gid, int netw_view);
800 static inline bool mlx4_ib_ah_grh_present(struct mlx4_ib_ah *ah)
802 u8 port = be32_to_cpu(ah->av.ib.port_pd) >> 24 & 3;
804 if (rdma_port_get_link_layer(ah->ibah.device, port) == IB_LINK_LAYER_ETHERNET)
807 return !!(ah->av.ib.g_slid & 0x80);
810 int mlx4_ib_mcg_port_init(struct mlx4_ib_demux_ctx *ctx);
811 void mlx4_ib_mcg_port_cleanup(struct mlx4_ib_demux_ctx *ctx, int destroy_wq);
812 void clean_vf_mcast(struct mlx4_ib_demux_ctx *ctx, int slave);
813 int mlx4_ib_mcg_init(void);
814 void mlx4_ib_mcg_destroy(void);
816 int mlx4_ib_find_real_gid(struct ib_device *ibdev, u8 port, __be64 guid);
818 int mlx4_ib_mcg_multiplex_handler(struct ib_device *ibdev, int port, int slave,
819 struct ib_sa_mad *sa_mad);
820 int mlx4_ib_mcg_demux_handler(struct ib_device *ibdev, int port, int slave,
821 struct ib_sa_mad *mad);
823 int mlx4_ib_add_mc(struct mlx4_ib_dev *mdev, struct mlx4_ib_qp *mqp,
826 void mlx4_ib_dispatch_event(struct mlx4_ib_dev *dev, u8 port_num,
827 enum ib_event_type type);
829 void mlx4_ib_tunnels_update_work(struct work_struct *work);
831 int mlx4_ib_send_to_slave(struct mlx4_ib_dev *dev, int slave, u8 port,
832 enum ib_qp_type qpt, struct ib_wc *wc,
833 struct ib_grh *grh, struct ib_mad *mad);
835 int mlx4_ib_send_to_wire(struct mlx4_ib_dev *dev, int slave, u8 port,
836 enum ib_qp_type dest_qpt, u16 pkey_index, u32 remote_qpn,
837 u32 qkey, struct ib_ah_attr *attr, u8 *s_mac,
838 u16 vlan_id, struct ib_mad *mad);
840 __be64 mlx4_ib_get_new_demux_tid(struct mlx4_ib_demux_ctx *ctx);
842 int mlx4_ib_demux_cm_handler(struct ib_device *ibdev, int port, int *slave,
845 int mlx4_ib_multiplex_cm_handler(struct ib_device *ibdev, int port, int slave_id,
848 void mlx4_ib_cm_paravirt_init(struct mlx4_ib_dev *dev);
849 void mlx4_ib_cm_paravirt_clean(struct mlx4_ib_dev *dev, int slave_id);
851 /* alias guid support */
852 void mlx4_ib_init_alias_guid_work(struct mlx4_ib_dev *dev, int port);
853 int mlx4_ib_init_alias_guid_service(struct mlx4_ib_dev *dev);
854 void mlx4_ib_destroy_alias_guid_service(struct mlx4_ib_dev *dev);
855 void mlx4_ib_invalidate_all_guid_record(struct mlx4_ib_dev *dev, int port);
857 void mlx4_ib_notify_slaves_on_guid_change(struct mlx4_ib_dev *dev,
859 u8 port_num, u8 *p_data);
861 void mlx4_ib_update_cache_on_guid_change(struct mlx4_ib_dev *dev,
862 int block_num, u8 port_num,
865 int add_sysfs_port_mcg_attr(struct mlx4_ib_dev *device, int port_num,
866 struct attribute *attr);
867 void del_sysfs_port_mcg_attr(struct mlx4_ib_dev *device, int port_num,
868 struct attribute *attr);
869 ib_sa_comp_mask mlx4_ib_get_aguid_comp_mask_from_ix(int index);
870 void mlx4_ib_slave_alias_guid_event(struct mlx4_ib_dev *dev, int slave,
871 int port, int slave_init);
873 int mlx4_ib_device_register_sysfs(struct mlx4_ib_dev *device) ;
875 void mlx4_ib_device_unregister_sysfs(struct mlx4_ib_dev *device);
877 __be64 mlx4_ib_gen_node_guid(void);
879 int mlx4_ib_steer_qp_alloc(struct mlx4_ib_dev *dev, int count, int *qpn);
880 void mlx4_ib_steer_qp_free(struct mlx4_ib_dev *dev, u32 qpn, int count);
881 int mlx4_ib_steer_qp_reg(struct mlx4_ib_dev *mdev, struct mlx4_ib_qp *mqp,
883 int mlx4_ib_rereg_user_mr(struct ib_mr *mr, int flags,
884 u64 start, u64 length, u64 virt_addr,
885 int mr_access_flags, struct ib_pd *pd,
886 struct ib_udata *udata);
887 int mlx4_ib_gid_index_to_real_index(struct mlx4_ib_dev *ibdev,
888 u8 port_num, int index);
890 void mlx4_sched_ib_sl2vl_update_work(struct mlx4_ib_dev *ibdev,
893 void mlx4_ib_sl2vl_update(struct mlx4_ib_dev *mdev, int port);
895 #endif /* MLX4_IB_H */