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)->dev.parent, 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,
189 /* Mellanox specific flags start from IB_QP_CREATE_RESERVED_START */
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,
195 struct mlx4_ib_gid_entry {
196 struct list_head list;
202 enum mlx4_ib_qp_type {
204 * IB_QPT_SMI and IB_QPT_GSI have to be the first two entries
205 * here (and in that order) since the MAD layer uses them as
206 * indices into a 2-entry table.
208 MLX4_IB_QPT_SMI = IB_QPT_SMI,
209 MLX4_IB_QPT_GSI = IB_QPT_GSI,
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,
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,
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)
232 enum 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,
241 MLX4_NUM_TUNNEL_BUFS = 256,
244 struct mlx4_ib_tunnel_header {
259 struct mlx4_rcv_tunnel_hdr {
260 __be32 flags_src_qp; /* flags[6:5] is defined for VLANs:
261 * 0x0 - no vlan was in the packet
262 * 0x01 - C-VLAN was in the packet */
263 u8 g_ml_path; /* gid bit stands for ipv6/4 header in RoCE */
267 __be16 slid_mac_47_32;
271 struct mlx4_ib_proxy_sqp_hdr {
273 struct mlx4_rcv_tunnel_hdr tun;
276 struct mlx4_roce_smac_vlan_info {
281 int candidate_smac_index;
282 int candidate_smac_port;
287 int candidate_vlan_index;
288 int candidate_vlan_port;
298 struct mlx4_ib_wq rq;
301 __be32 sq_signal_bits;
302 unsigned sq_next_wqe;
303 int sq_max_wqes_per_wr;
305 struct mlx4_ib_wq sq;
307 enum mlx4_ib_qp_type mlx4_ib_qp_type;
308 struct ib_umem *umem;
321 struct list_head gid_list;
322 struct list_head steering_rules;
323 struct mlx4_ib_buf *sqp_proxy_rcv;
324 struct mlx4_roce_smac_vlan_info pri;
325 struct mlx4_roce_smac_vlan_info alt;
327 struct list_head qps_list;
328 struct list_head cq_recv_list;
329 struct list_head cq_send_list;
330 struct counter_index *counter_index;
335 struct mlx4_srq msrq;
343 struct ib_umem *umem;
350 union mlx4_ext_av av;
353 /****************************************/
354 /* alias guid support */
355 /****************************************/
356 #define NUM_PORT_ALIAS_GUID 2
357 #define NUM_ALIAS_GUID_IN_REC 8
358 #define NUM_ALIAS_GUID_REC_IN_PORT 16
359 #define GUID_REC_SIZE 8
360 #define NUM_ALIAS_GUID_PER_PORT 128
361 #define MLX4_NOT_SET_GUID (0x00LL)
362 #define MLX4_GUID_FOR_DELETE_VAL (~(0x00LL))
364 enum mlx4_guid_alias_rec_status {
365 MLX4_GUID_INFO_STATUS_IDLE,
366 MLX4_GUID_INFO_STATUS_SET,
369 #define GUID_STATE_NEED_PORT_INIT 0x01
371 enum mlx4_guid_alias_rec_method {
372 MLX4_GUID_INFO_RECORD_SET = IB_MGMT_METHOD_SET,
373 MLX4_GUID_INFO_RECORD_DELETE = IB_SA_METHOD_DELETE,
376 struct mlx4_sriov_alias_guid_info_rec_det {
377 u8 all_recs[GUID_REC_SIZE * NUM_ALIAS_GUID_IN_REC];
378 ib_sa_comp_mask guid_indexes; /*indicates what from the 8 records are valid*/
379 enum mlx4_guid_alias_rec_status status; /*indicates the administraively status of the record.*/
380 unsigned int guids_retry_schedule[NUM_ALIAS_GUID_IN_REC];
384 struct mlx4_sriov_alias_guid_port_rec_det {
385 struct mlx4_sriov_alias_guid_info_rec_det all_rec_per_port[NUM_ALIAS_GUID_REC_IN_PORT];
386 struct workqueue_struct *wq;
387 struct delayed_work alias_guid_work;
390 struct mlx4_sriov_alias_guid *parent;
391 struct list_head cb_list;
394 struct mlx4_sriov_alias_guid {
395 struct mlx4_sriov_alias_guid_port_rec_det ports_guid[MLX4_MAX_PORTS];
396 spinlock_t ag_work_lock;
397 struct ib_sa_client *sa_client;
400 struct mlx4_ib_demux_work {
401 struct work_struct work;
402 struct mlx4_ib_dev *dev;
409 struct mlx4_ib_tun_tx_buf {
410 struct mlx4_ib_buf buf;
414 struct mlx4_ib_demux_pv_qp {
416 enum ib_qp_type proxy_qpt;
417 struct mlx4_ib_buf *ring;
418 struct mlx4_ib_tun_tx_buf *tx_ring;
424 enum mlx4_ib_demux_pv_state {
426 DEMUX_PV_STATE_STARTING,
427 DEMUX_PV_STATE_ACTIVE,
428 DEMUX_PV_STATE_DOWNING,
431 struct mlx4_ib_demux_pv_ctx {
434 enum mlx4_ib_demux_pv_state state;
436 struct ib_device *ib_dev;
439 struct work_struct work;
440 struct workqueue_struct *wq;
441 struct mlx4_ib_demux_pv_qp qp[2];
444 struct mlx4_ib_demux_ctx {
445 struct ib_device *ib_dev;
447 struct workqueue_struct *wq;
448 struct workqueue_struct *ud_wq;
450 atomic64_t subnet_prefix;
451 __be64 guid_cache[128];
452 struct mlx4_ib_dev *dev;
453 /* the following lock protects both mcg_table and mcg_mgid0_list */
454 struct mutex mcg_table_lock;
455 struct rb_root mcg_table;
456 struct list_head mcg_mgid0_list;
457 struct workqueue_struct *mcg_wq;
458 struct mlx4_ib_demux_pv_ctx **tun;
460 int flushing; /* flushing the work queue */
463 struct mlx4_ib_sriov {
464 struct mlx4_ib_demux_ctx demux[MLX4_MAX_PORTS];
465 struct mlx4_ib_demux_pv_ctx *sqps[MLX4_MAX_PORTS];
466 /* when using this spinlock you should use "irq" because
467 * it may be called from interrupt context.*/
468 spinlock_t going_down_lock;
471 struct mlx4_sriov_alias_guid alias_guid;
473 /* CM paravirtualization fields */
474 struct list_head cm_list;
475 spinlock_t id_map_lock;
476 struct rb_root sl_id_map;
477 struct idr pv_id_table;
480 struct gid_cache_context {
487 enum ib_gid_type gid_type;
488 struct gid_cache_context *ctx;
491 struct mlx4_port_gid_table {
492 struct gid_entry gids[MLX4_MAX_PORT_GIDS];
495 struct mlx4_ib_iboe {
497 struct net_device *netdevs[MLX4_MAX_PORTS];
498 atomic64_t mac[MLX4_MAX_PORTS];
499 struct notifier_block nb;
500 struct mlx4_port_gid_table gids[MLX4_MAX_PORTS];
504 u8 virt2phys_pkey[MLX4_MFUNC_MAX][MLX4_MAX_PORTS][MLX4_MAX_PORT_PKEYS];
505 u16 phys_pkey_cache[MLX4_MAX_PORTS][MLX4_MAX_PORT_PKEYS];
506 struct list_head pkey_port_list[MLX4_MFUNC_MAX];
507 struct kobject *device_parent[MLX4_MFUNC_MAX];
510 struct mlx4_ib_iov_sysfs_attr {
512 struct kobject *kobj;
516 struct device_attribute dentry;
520 struct mlx4_ib_iov_sysfs_attr_ar {
521 struct mlx4_ib_iov_sysfs_attr dentries[3 * NUM_ALIAS_GUID_PER_PORT + 1];
524 struct mlx4_ib_iov_port {
527 struct mlx4_ib_dev *dev;
528 struct list_head list;
529 struct mlx4_ib_iov_sysfs_attr_ar *dentr_ar;
530 struct ib_port_attr attr;
531 struct kobject *cur_port;
532 struct kobject *admin_alias_parent;
533 struct kobject *gids_parent;
534 struct kobject *pkeys_parent;
535 struct kobject *mcgs_parent;
536 struct mlx4_ib_iov_sysfs_attr mcg_dentry;
539 struct counter_index {
540 struct list_head list;
545 struct mlx4_ib_counters {
546 struct list_head counters_list;
547 struct mutex mutex; /* mutex for accessing counters list */
551 #define MLX4_DIAG_COUNTERS_TYPES 2
553 struct mlx4_ib_diag_counters {
560 struct ib_device ib_dev;
561 struct mlx4_dev *dev;
563 void __iomem *uar_map;
565 struct mlx4_uar priv_uar;
567 MLX4_DECLARE_DOORBELL_LOCK(uar_lock);
569 struct ib_mad_agent *send_agent[MLX4_MAX_PORTS][2];
570 struct ib_ah *sm_ah[MLX4_MAX_PORTS];
572 atomic64_t sl2vl[MLX4_MAX_PORTS];
573 struct mlx4_ib_sriov sriov;
575 struct mutex cap_mask_mutex;
577 struct mlx4_ib_iboe iboe;
578 struct mlx4_ib_counters counters_table[MLX4_MAX_PORTS];
580 struct kobject *iov_parent;
581 struct kobject *ports_parent;
582 struct kobject *dev_ports_parent[MLX4_MFUNC_MAX];
583 struct mlx4_ib_iov_port iov_ports[MLX4_MAX_PORTS];
584 struct pkey_mgt pkeys;
585 unsigned long *ib_uc_qpns_bitmap;
588 int steering_support;
589 struct mlx4_ib_qp *qp1_proxy[MLX4_MAX_PORTS];
590 /* lock when destroying qp1_proxy and getting netdev events */
591 struct mutex qp1_proxy_lock[MLX4_MAX_PORTS];
593 /* protect resources needed as part of reset flow */
594 spinlock_t reset_flow_resource_lock;
595 struct list_head qp_list;
596 struct mlx4_ib_diag_counters diag_counters[MLX4_DIAG_COUNTERS_TYPES];
599 struct ib_event_work {
600 struct work_struct work;
601 struct mlx4_ib_dev *ib_dev;
602 struct mlx4_eqe ib_eqe;
606 struct mlx4_ib_qp_tunnel_init_attr {
607 struct ib_qp_init_attr init_attr;
609 enum ib_qp_type proxy_qp_type;
613 struct mlx4_uverbs_ex_query_device {
618 enum query_device_resp_mask {
619 QUERY_DEVICE_RESP_MASK_TIMESTAMP = 1UL << 0,
622 struct mlx4_uverbs_ex_query_device_resp {
624 __u32 response_length;
625 __u64 hca_core_clock_offset;
628 static inline struct mlx4_ib_dev *to_mdev(struct ib_device *ibdev)
630 return container_of(ibdev, struct mlx4_ib_dev, ib_dev);
633 static inline struct mlx4_ib_ucontext *to_mucontext(struct ib_ucontext *ibucontext)
635 return container_of(ibucontext, struct mlx4_ib_ucontext, ibucontext);
638 static inline struct mlx4_ib_pd *to_mpd(struct ib_pd *ibpd)
640 return container_of(ibpd, struct mlx4_ib_pd, ibpd);
643 static inline struct mlx4_ib_xrcd *to_mxrcd(struct ib_xrcd *ibxrcd)
645 return container_of(ibxrcd, struct mlx4_ib_xrcd, ibxrcd);
648 static inline struct mlx4_ib_cq *to_mcq(struct ib_cq *ibcq)
650 return container_of(ibcq, struct mlx4_ib_cq, ibcq);
653 static inline struct mlx4_ib_cq *to_mibcq(struct mlx4_cq *mcq)
655 return container_of(mcq, struct mlx4_ib_cq, mcq);
658 static inline struct mlx4_ib_mr *to_mmr(struct ib_mr *ibmr)
660 return container_of(ibmr, struct mlx4_ib_mr, ibmr);
663 static inline struct mlx4_ib_mw *to_mmw(struct ib_mw *ibmw)
665 return container_of(ibmw, struct mlx4_ib_mw, ibmw);
668 static inline struct mlx4_ib_fmr *to_mfmr(struct ib_fmr *ibfmr)
670 return container_of(ibfmr, struct mlx4_ib_fmr, ibfmr);
673 static inline struct mlx4_ib_flow *to_mflow(struct ib_flow *ibflow)
675 return container_of(ibflow, struct mlx4_ib_flow, ibflow);
678 static inline struct mlx4_ib_qp *to_mqp(struct ib_qp *ibqp)
680 return container_of(ibqp, struct mlx4_ib_qp, ibqp);
683 static inline struct mlx4_ib_qp *to_mibqp(struct mlx4_qp *mqp)
685 return container_of(mqp, struct mlx4_ib_qp, mqp);
688 static inline struct mlx4_ib_srq *to_msrq(struct ib_srq *ibsrq)
690 return container_of(ibsrq, struct mlx4_ib_srq, ibsrq);
693 static inline struct mlx4_ib_srq *to_mibsrq(struct mlx4_srq *msrq)
695 return container_of(msrq, struct mlx4_ib_srq, msrq);
698 static inline struct mlx4_ib_ah *to_mah(struct ib_ah *ibah)
700 return container_of(ibah, struct mlx4_ib_ah, ibah);
703 static inline u8 mlx4_ib_bond_next_port(struct mlx4_ib_dev *dev)
705 dev->bond_next_port = (dev->bond_next_port + 1) % dev->num_ports;
707 return dev->bond_next_port + 1;
710 int mlx4_ib_init_sriov(struct mlx4_ib_dev *dev);
711 void mlx4_ib_close_sriov(struct mlx4_ib_dev *dev);
713 int mlx4_ib_db_map_user(struct mlx4_ib_ucontext *context, unsigned long virt,
715 void mlx4_ib_db_unmap_user(struct mlx4_ib_ucontext *context, struct mlx4_db *db);
717 struct ib_mr *mlx4_ib_get_dma_mr(struct ib_pd *pd, int acc);
718 int mlx4_ib_umem_write_mtt(struct mlx4_ib_dev *dev, struct mlx4_mtt *mtt,
719 struct ib_umem *umem);
720 struct ib_mr *mlx4_ib_reg_user_mr(struct ib_pd *pd, u64 start, u64 length,
721 u64 virt_addr, int access_flags,
722 struct ib_udata *udata);
723 int mlx4_ib_dereg_mr(struct ib_mr *mr);
724 struct ib_mw *mlx4_ib_alloc_mw(struct ib_pd *pd, enum ib_mw_type type,
725 struct ib_udata *udata);
726 int mlx4_ib_dealloc_mw(struct ib_mw *mw);
727 struct ib_mr *mlx4_ib_alloc_mr(struct ib_pd *pd,
728 enum ib_mr_type mr_type,
730 int mlx4_ib_map_mr_sg(struct ib_mr *ibmr, struct scatterlist *sg, int sg_nents,
731 unsigned int *sg_offset);
732 int mlx4_ib_modify_cq(struct ib_cq *cq, u16 cq_count, u16 cq_period);
733 int mlx4_ib_resize_cq(struct ib_cq *ibcq, int entries, struct ib_udata *udata);
734 struct ib_cq *mlx4_ib_create_cq(struct ib_device *ibdev,
735 const struct ib_cq_init_attr *attr,
736 struct ib_ucontext *context,
737 struct ib_udata *udata);
738 int mlx4_ib_destroy_cq(struct ib_cq *cq);
739 int mlx4_ib_poll_cq(struct ib_cq *ibcq, int num_entries, struct ib_wc *wc);
740 int mlx4_ib_arm_cq(struct ib_cq *cq, enum ib_cq_notify_flags flags);
741 void __mlx4_ib_cq_clean(struct mlx4_ib_cq *cq, u32 qpn, struct mlx4_ib_srq *srq);
742 void mlx4_ib_cq_clean(struct mlx4_ib_cq *cq, u32 qpn, struct mlx4_ib_srq *srq);
744 struct ib_ah *mlx4_ib_create_ah(struct ib_pd *pd, struct rdma_ah_attr *ah_attr,
745 struct ib_udata *udata);
746 int mlx4_ib_query_ah(struct ib_ah *ibah, struct rdma_ah_attr *ah_attr);
747 int mlx4_ib_destroy_ah(struct ib_ah *ah);
749 struct ib_srq *mlx4_ib_create_srq(struct ib_pd *pd,
750 struct ib_srq_init_attr *init_attr,
751 struct ib_udata *udata);
752 int mlx4_ib_modify_srq(struct ib_srq *ibsrq, struct ib_srq_attr *attr,
753 enum ib_srq_attr_mask attr_mask, struct ib_udata *udata);
754 int mlx4_ib_query_srq(struct ib_srq *srq, struct ib_srq_attr *srq_attr);
755 int mlx4_ib_destroy_srq(struct ib_srq *srq);
756 void mlx4_ib_free_srq_wqe(struct mlx4_ib_srq *srq, int wqe_index);
757 int mlx4_ib_post_srq_recv(struct ib_srq *ibsrq, struct ib_recv_wr *wr,
758 struct ib_recv_wr **bad_wr);
760 struct ib_qp *mlx4_ib_create_qp(struct ib_pd *pd,
761 struct ib_qp_init_attr *init_attr,
762 struct ib_udata *udata);
763 int mlx4_ib_destroy_qp(struct ib_qp *qp);
764 int mlx4_ib_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr,
765 int attr_mask, struct ib_udata *udata);
766 int mlx4_ib_query_qp(struct ib_qp *ibqp, struct ib_qp_attr *qp_attr, int qp_attr_mask,
767 struct ib_qp_init_attr *qp_init_attr);
768 int mlx4_ib_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr,
769 struct ib_send_wr **bad_wr);
770 int mlx4_ib_post_recv(struct ib_qp *ibqp, struct ib_recv_wr *wr,
771 struct ib_recv_wr **bad_wr);
773 int mlx4_MAD_IFC(struct mlx4_ib_dev *dev, int mad_ifc_flags,
774 int port, const struct ib_wc *in_wc, const struct ib_grh *in_grh,
775 const void *in_mad, void *response_mad);
776 int mlx4_ib_process_mad(struct ib_device *ibdev, int mad_flags, u8 port_num,
777 const struct ib_wc *in_wc, const struct ib_grh *in_grh,
778 const struct ib_mad_hdr *in, size_t in_mad_size,
779 struct ib_mad_hdr *out, size_t *out_mad_size,
780 u16 *out_mad_pkey_index);
781 int mlx4_ib_mad_init(struct mlx4_ib_dev *dev);
782 void mlx4_ib_mad_cleanup(struct mlx4_ib_dev *dev);
784 struct ib_fmr *mlx4_ib_fmr_alloc(struct ib_pd *pd, int mr_access_flags,
785 struct ib_fmr_attr *fmr_attr);
786 int mlx4_ib_map_phys_fmr(struct ib_fmr *ibfmr, u64 *page_list, int npages,
788 int mlx4_ib_unmap_fmr(struct list_head *fmr_list);
789 int mlx4_ib_fmr_dealloc(struct ib_fmr *fmr);
790 int __mlx4_ib_query_port(struct ib_device *ibdev, u8 port,
791 struct ib_port_attr *props, int netw_view);
792 int __mlx4_ib_query_pkey(struct ib_device *ibdev, u8 port, u16 index,
793 u16 *pkey, int netw_view);
795 int __mlx4_ib_query_gid(struct ib_device *ibdev, u8 port, int index,
796 union ib_gid *gid, int netw_view);
798 static inline bool mlx4_ib_ah_grh_present(struct mlx4_ib_ah *ah)
800 u8 port = be32_to_cpu(ah->av.ib.port_pd) >> 24 & 3;
802 if (rdma_port_get_link_layer(ah->ibah.device, port) == IB_LINK_LAYER_ETHERNET)
805 return !!(ah->av.ib.g_slid & 0x80);
808 int mlx4_ib_mcg_port_init(struct mlx4_ib_demux_ctx *ctx);
809 void mlx4_ib_mcg_port_cleanup(struct mlx4_ib_demux_ctx *ctx, int destroy_wq);
810 void clean_vf_mcast(struct mlx4_ib_demux_ctx *ctx, int slave);
811 int mlx4_ib_mcg_init(void);
812 void mlx4_ib_mcg_destroy(void);
814 int mlx4_ib_find_real_gid(struct ib_device *ibdev, u8 port, __be64 guid);
816 int mlx4_ib_mcg_multiplex_handler(struct ib_device *ibdev, int port, int slave,
817 struct ib_sa_mad *sa_mad);
818 int mlx4_ib_mcg_demux_handler(struct ib_device *ibdev, int port, int slave,
819 struct ib_sa_mad *mad);
821 int mlx4_ib_add_mc(struct mlx4_ib_dev *mdev, struct mlx4_ib_qp *mqp,
824 void mlx4_ib_dispatch_event(struct mlx4_ib_dev *dev, u8 port_num,
825 enum ib_event_type type);
827 void mlx4_ib_tunnels_update_work(struct work_struct *work);
829 int mlx4_ib_send_to_slave(struct mlx4_ib_dev *dev, int slave, u8 port,
830 enum ib_qp_type qpt, struct ib_wc *wc,
831 struct ib_grh *grh, struct ib_mad *mad);
833 int mlx4_ib_send_to_wire(struct mlx4_ib_dev *dev, int slave, u8 port,
834 enum ib_qp_type dest_qpt, u16 pkey_index, u32 remote_qpn,
835 u32 qkey, struct rdma_ah_attr *attr, u8 *s_mac,
836 u16 vlan_id, struct ib_mad *mad);
838 __be64 mlx4_ib_get_new_demux_tid(struct mlx4_ib_demux_ctx *ctx);
840 int mlx4_ib_demux_cm_handler(struct ib_device *ibdev, int port, int *slave,
843 int mlx4_ib_multiplex_cm_handler(struct ib_device *ibdev, int port, int slave_id,
846 void mlx4_ib_cm_paravirt_init(struct mlx4_ib_dev *dev);
847 void mlx4_ib_cm_paravirt_clean(struct mlx4_ib_dev *dev, int slave_id);
849 /* alias guid support */
850 void mlx4_ib_init_alias_guid_work(struct mlx4_ib_dev *dev, int port);
851 int mlx4_ib_init_alias_guid_service(struct mlx4_ib_dev *dev);
852 void mlx4_ib_destroy_alias_guid_service(struct mlx4_ib_dev *dev);
853 void mlx4_ib_invalidate_all_guid_record(struct mlx4_ib_dev *dev, int port);
855 void mlx4_ib_notify_slaves_on_guid_change(struct mlx4_ib_dev *dev,
857 u8 port_num, u8 *p_data);
859 void mlx4_ib_update_cache_on_guid_change(struct mlx4_ib_dev *dev,
860 int block_num, u8 port_num,
863 int add_sysfs_port_mcg_attr(struct mlx4_ib_dev *device, int port_num,
864 struct attribute *attr);
865 void del_sysfs_port_mcg_attr(struct mlx4_ib_dev *device, int port_num,
866 struct attribute *attr);
867 ib_sa_comp_mask mlx4_ib_get_aguid_comp_mask_from_ix(int index);
868 void mlx4_ib_slave_alias_guid_event(struct mlx4_ib_dev *dev, int slave,
869 int port, int slave_init);
871 int mlx4_ib_device_register_sysfs(struct mlx4_ib_dev *device) ;
873 void mlx4_ib_device_unregister_sysfs(struct mlx4_ib_dev *device);
875 __be64 mlx4_ib_gen_node_guid(void);
877 int mlx4_ib_steer_qp_alloc(struct mlx4_ib_dev *dev, int count, int *qpn);
878 void mlx4_ib_steer_qp_free(struct mlx4_ib_dev *dev, u32 qpn, int count);
879 int mlx4_ib_steer_qp_reg(struct mlx4_ib_dev *mdev, struct mlx4_ib_qp *mqp,
881 int mlx4_ib_rereg_user_mr(struct ib_mr *mr, int flags,
882 u64 start, u64 length, u64 virt_addr,
883 int mr_access_flags, struct ib_pd *pd,
884 struct ib_udata *udata);
885 int mlx4_ib_gid_index_to_real_index(struct mlx4_ib_dev *ibdev,
886 u8 port_num, int index);
888 void mlx4_sched_ib_sl2vl_update_work(struct mlx4_ib_dev *ibdev,
891 void mlx4_ib_sl2vl_update(struct mlx4_ib_dev *mdev, int port);
893 #endif /* MLX4_IB_H */