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>
49 #include <linux/mlx4/qp.h>
50 #include <linux/mlx4/cq.h>
52 #define MLX4_IB_DRV_NAME "mlx4_ib"
57 #define pr_fmt(fmt) "<" MLX4_IB_DRV_NAME "> %s: " fmt, __func__
59 #define mlx4_ib_warn(ibdev, format, arg...) \
60 dev_warn((ibdev)->dev.parent, MLX4_IB_DRV_NAME ": " format, ## arg)
63 MLX4_IB_SQ_MIN_WQE_SHIFT = 6,
64 MLX4_IB_MAX_HEADROOM = 2048
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))
70 /*module param to indicate if SM assigns the alias_GUID*/
71 extern int mlx4_ib_sm_guid_assign;
73 #define MLX4_IB_UC_STEER_QPN_ALIGN 1
74 #define MLX4_IB_UC_MAX_NUM_QPS 256
83 struct mlx4_ib_ucontext {
84 struct ib_ucontext ibucontext;
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; /* protect wqn_ranges_list */
98 struct ib_xrcd ibxrcd;
104 struct mlx4_ib_cq_buf {
110 struct mlx4_ib_cq_resize {
111 struct mlx4_ib_cq_buf buf;
118 struct mlx4_ib_cq_buf buf;
119 struct mlx4_ib_cq_resize *resize_buf;
122 struct mutex resize_mutex;
123 struct ib_umem *umem;
124 struct ib_umem *resize_umem;
126 /* List of qps that it serves.*/
127 struct list_head send_qp_list;
128 struct list_head recv_qp_list;
131 #define MLX4_MR_PAGES_ALIGN 0x40
140 struct ib_umem *umem;
141 size_t page_map_size;
149 #define MAX_REGS_PER_FLOW 2
151 struct mlx4_flow_reg_id {
156 struct mlx4_ib_flow {
157 struct ib_flow ibflow;
158 /* translating DMFS verbs sniffer rule to FW API requires two reg IDs */
159 struct mlx4_flow_reg_id reg_id[MAX_REGS_PER_FLOW];
175 MLX4_IB_QP_CREATE_ROCE_V2_GSI = IB_QP_CREATE_RESERVED_START
178 enum mlx4_ib_qp_flags {
179 MLX4_IB_QP_LSO = IB_QP_CREATE_IPOIB_UD_LSO,
180 MLX4_IB_QP_BLOCK_MULTICAST_LOOPBACK = IB_QP_CREATE_BLOCK_MULTICAST_LOOPBACK,
181 MLX4_IB_QP_NETIF = IB_QP_CREATE_NETIF_QP,
182 MLX4_IB_QP_SCATTER_FCS = IB_QP_CREATE_SCATTER_FCS,
184 /* Mellanox specific flags start from IB_QP_CREATE_RESERVED_START */
185 MLX4_IB_ROCE_V2_GSI_QP = MLX4_IB_QP_CREATE_ROCE_V2_GSI,
186 MLX4_IB_SRIOV_TUNNEL_QP = 1 << 30,
187 MLX4_IB_SRIOV_SQP = 1 << 31,
190 struct mlx4_ib_gid_entry {
191 struct list_head list;
197 enum mlx4_ib_qp_type {
199 * IB_QPT_SMI and IB_QPT_GSI have to be the first two entries
200 * here (and in that order) since the MAD layer uses them as
201 * indices into a 2-entry table.
203 MLX4_IB_QPT_SMI = IB_QPT_SMI,
204 MLX4_IB_QPT_GSI = IB_QPT_GSI,
206 MLX4_IB_QPT_RC = IB_QPT_RC,
207 MLX4_IB_QPT_UC = IB_QPT_UC,
208 MLX4_IB_QPT_UD = IB_QPT_UD,
209 MLX4_IB_QPT_RAW_IPV6 = IB_QPT_RAW_IPV6,
210 MLX4_IB_QPT_RAW_ETHERTYPE = IB_QPT_RAW_ETHERTYPE,
211 MLX4_IB_QPT_RAW_PACKET = IB_QPT_RAW_PACKET,
212 MLX4_IB_QPT_XRC_INI = IB_QPT_XRC_INI,
213 MLX4_IB_QPT_XRC_TGT = IB_QPT_XRC_TGT,
215 MLX4_IB_QPT_PROXY_SMI_OWNER = 1 << 16,
216 MLX4_IB_QPT_PROXY_SMI = 1 << 17,
217 MLX4_IB_QPT_PROXY_GSI = 1 << 18,
218 MLX4_IB_QPT_TUN_SMI_OWNER = 1 << 19,
219 MLX4_IB_QPT_TUN_SMI = 1 << 20,
220 MLX4_IB_QPT_TUN_GSI = 1 << 21,
223 #define MLX4_IB_QPT_ANY_SRIOV (MLX4_IB_QPT_PROXY_SMI_OWNER | \
224 MLX4_IB_QPT_PROXY_SMI | MLX4_IB_QPT_PROXY_GSI | MLX4_IB_QPT_TUN_SMI_OWNER | \
225 MLX4_IB_QPT_TUN_SMI | MLX4_IB_QPT_TUN_GSI)
227 enum mlx4_ib_mad_ifc_flags {
228 MLX4_MAD_IFC_IGNORE_MKEY = 1,
229 MLX4_MAD_IFC_IGNORE_BKEY = 2,
230 MLX4_MAD_IFC_IGNORE_KEYS = (MLX4_MAD_IFC_IGNORE_MKEY |
231 MLX4_MAD_IFC_IGNORE_BKEY),
232 MLX4_MAD_IFC_NET_VIEW = 4,
236 MLX4_NUM_TUNNEL_BUFS = 512,
237 MLX4_NUM_WIRE_BUFS = 2048,
240 struct mlx4_ib_tunnel_header {
255 struct mlx4_rcv_tunnel_hdr {
256 __be32 flags_src_qp; /* flags[6:5] is defined for VLANs:
257 * 0x0 - no vlan was in the packet
258 * 0x01 - C-VLAN was in the packet */
259 u8 g_ml_path; /* gid bit stands for ipv6/4 header in RoCE */
263 __be16 slid_mac_47_32;
267 struct mlx4_ib_proxy_sqp_hdr {
269 struct mlx4_rcv_tunnel_hdr tun;
272 struct mlx4_roce_smac_vlan_info {
277 int candidate_smac_index;
278 int candidate_smac_port;
283 int candidate_vlan_index;
284 int candidate_vlan_port;
288 struct mlx4_wqn_range {
293 struct list_head list;
297 unsigned int base_qpn_tbl_sz;
299 u8 rss_key[MLX4_EN_RSS_KEY_SIZE];
304 * Largest possible UD header: send with GRH and immediate
305 * data plus 18 bytes for an Ethernet header with VLAN/802.1Q
306 * tag. (LRH would only use 8 bytes, so Ethernet is the
309 MLX4_IB_UD_HEADER_SIZE = 82,
310 MLX4_IB_LSO_HEADER_SPARE = 128,
317 struct ib_ud_header ud_header;
318 u8 header_buf[MLX4_IB_UD_HEADER_SIZE];
319 struct ib_qp *roce_v2_gsi;
331 struct mlx4_ib_wq rq;
334 __be32 sq_signal_bits;
335 unsigned sq_next_wqe;
337 struct mlx4_ib_wq sq;
339 enum mlx4_ib_qp_type mlx4_ib_qp_type;
340 struct ib_umem *umem;
354 struct list_head gid_list;
355 struct list_head steering_rules;
356 struct mlx4_ib_buf *sqp_proxy_rcv;
357 struct mlx4_roce_smac_vlan_info pri;
358 struct mlx4_roce_smac_vlan_info alt;
360 struct list_head qps_list;
361 struct list_head cq_recv_list;
362 struct list_head cq_send_list;
363 struct counter_index *counter_index;
364 struct mlx4_wqn_range *wqn_range;
365 /* Number of RSS QP parents that uses this WQ */
368 struct mlx4_ib_rss *rss_ctx;
369 struct mlx4_ib_sqp *sqp;
375 struct mlx4_srq msrq;
383 struct ib_umem *umem;
390 union mlx4_ext_av av;
393 struct mlx4_ib_rwq_ind_table {
394 struct ib_rwq_ind_table ib_rwq_ind_tbl;
397 /****************************************/
398 /* alias guid support */
399 /****************************************/
400 #define NUM_PORT_ALIAS_GUID 2
401 #define NUM_ALIAS_GUID_IN_REC 8
402 #define NUM_ALIAS_GUID_REC_IN_PORT 16
403 #define GUID_REC_SIZE 8
404 #define NUM_ALIAS_GUID_PER_PORT 128
405 #define MLX4_NOT_SET_GUID (0x00LL)
406 #define MLX4_GUID_FOR_DELETE_VAL (~(0x00LL))
408 enum mlx4_guid_alias_rec_status {
409 MLX4_GUID_INFO_STATUS_IDLE,
410 MLX4_GUID_INFO_STATUS_SET,
413 #define GUID_STATE_NEED_PORT_INIT 0x01
415 enum mlx4_guid_alias_rec_method {
416 MLX4_GUID_INFO_RECORD_SET = IB_MGMT_METHOD_SET,
417 MLX4_GUID_INFO_RECORD_DELETE = IB_SA_METHOD_DELETE,
420 struct mlx4_sriov_alias_guid_info_rec_det {
421 u8 all_recs[GUID_REC_SIZE * NUM_ALIAS_GUID_IN_REC];
422 ib_sa_comp_mask guid_indexes; /*indicates what from the 8 records are valid*/
423 enum mlx4_guid_alias_rec_status status; /*indicates the administraively status of the record.*/
424 unsigned int guids_retry_schedule[NUM_ALIAS_GUID_IN_REC];
428 struct mlx4_sriov_alias_guid_port_rec_det {
429 struct mlx4_sriov_alias_guid_info_rec_det all_rec_per_port[NUM_ALIAS_GUID_REC_IN_PORT];
430 struct workqueue_struct *wq;
431 struct delayed_work alias_guid_work;
434 struct mlx4_sriov_alias_guid *parent;
435 struct list_head cb_list;
438 struct mlx4_sriov_alias_guid {
439 struct mlx4_sriov_alias_guid_port_rec_det ports_guid[MLX4_MAX_PORTS];
440 spinlock_t ag_work_lock;
441 struct ib_sa_client *sa_client;
444 struct mlx4_ib_demux_work {
445 struct work_struct work;
446 struct mlx4_ib_dev *dev;
453 struct mlx4_ib_tun_tx_buf {
454 struct mlx4_ib_buf buf;
458 struct mlx4_ib_demux_pv_qp {
460 enum ib_qp_type proxy_qpt;
461 struct mlx4_ib_buf *ring;
462 struct mlx4_ib_tun_tx_buf *tx_ring;
468 enum mlx4_ib_demux_pv_state {
470 DEMUX_PV_STATE_STARTING,
471 DEMUX_PV_STATE_ACTIVE,
472 DEMUX_PV_STATE_DOWNING,
475 struct mlx4_ib_demux_pv_ctx {
478 enum mlx4_ib_demux_pv_state state;
480 struct ib_device *ib_dev;
483 struct work_struct work;
484 struct workqueue_struct *wq;
485 struct workqueue_struct *wi_wq;
486 struct mlx4_ib_demux_pv_qp qp[2];
489 struct mlx4_ib_demux_ctx {
490 struct ib_device *ib_dev;
492 struct workqueue_struct *wq;
493 struct workqueue_struct *wi_wq;
494 struct workqueue_struct *ud_wq;
496 atomic64_t subnet_prefix;
497 __be64 guid_cache[128];
498 struct mlx4_ib_dev *dev;
499 /* the following lock protects both mcg_table and mcg_mgid0_list */
500 struct mutex mcg_table_lock;
501 struct rb_root mcg_table;
502 struct list_head mcg_mgid0_list;
503 struct workqueue_struct *mcg_wq;
504 struct mlx4_ib_demux_pv_ctx **tun;
506 int flushing; /* flushing the work queue */
509 struct mlx4_ib_sriov {
510 struct mlx4_ib_demux_ctx demux[MLX4_MAX_PORTS];
511 struct mlx4_ib_demux_pv_ctx *sqps[MLX4_MAX_PORTS];
512 /* when using this spinlock you should use "irq" because
513 * it may be called from interrupt context.*/
514 spinlock_t going_down_lock;
517 struct mlx4_sriov_alias_guid alias_guid;
519 /* CM paravirtualization fields */
520 struct xarray pv_id_table;
522 spinlock_t id_map_lock;
523 struct rb_root sl_id_map;
524 struct list_head cm_list;
525 struct xarray xa_rej_tmout;
528 struct gid_cache_context {
535 enum ib_gid_type gid_type;
536 struct gid_cache_context *ctx;
540 struct mlx4_port_gid_table {
541 struct gid_entry gids[MLX4_MAX_PORT_GIDS];
544 struct mlx4_ib_iboe {
546 struct net_device *netdevs[MLX4_MAX_PORTS];
547 atomic64_t mac[MLX4_MAX_PORTS];
548 struct notifier_block nb;
549 struct mlx4_port_gid_table gids[MLX4_MAX_PORTS];
550 enum ib_port_state last_port_state[MLX4_MAX_PORTS];
554 u8 virt2phys_pkey[MLX4_MFUNC_MAX][MLX4_MAX_PORTS][MLX4_MAX_PORT_PKEYS];
555 u16 phys_pkey_cache[MLX4_MAX_PORTS][MLX4_MAX_PORT_PKEYS];
556 struct list_head pkey_port_list[MLX4_MFUNC_MAX];
557 struct kobject *device_parent[MLX4_MFUNC_MAX];
560 struct mlx4_ib_iov_sysfs_attr {
562 struct kobject *kobj;
566 struct device_attribute dentry;
570 struct mlx4_ib_iov_sysfs_attr_ar {
571 struct mlx4_ib_iov_sysfs_attr dentries[3 * NUM_ALIAS_GUID_PER_PORT + 1];
574 struct mlx4_ib_iov_port {
577 struct mlx4_ib_dev *dev;
578 struct list_head list;
579 struct mlx4_ib_iov_sysfs_attr_ar *dentr_ar;
580 struct ib_port_attr attr;
581 struct kobject *cur_port;
582 struct kobject *admin_alias_parent;
583 struct kobject *gids_parent;
584 struct kobject *pkeys_parent;
585 struct kobject *mcgs_parent;
586 struct mlx4_ib_iov_sysfs_attr mcg_dentry;
589 struct counter_index {
590 struct list_head list;
595 struct mlx4_ib_counters {
596 struct list_head counters_list;
597 struct mutex mutex; /* mutex for accessing counters list */
601 #define MLX4_DIAG_COUNTERS_TYPES 2
603 struct mlx4_ib_diag_counters {
610 struct ib_device ib_dev;
611 struct mlx4_dev *dev;
613 void __iomem *uar_map;
615 struct mlx4_uar priv_uar;
617 MLX4_DECLARE_DOORBELL_LOCK(uar_lock);
619 struct ib_mad_agent *send_agent[MLX4_MAX_PORTS][2];
620 struct ib_ah *sm_ah[MLX4_MAX_PORTS];
622 atomic64_t sl2vl[MLX4_MAX_PORTS];
623 struct mlx4_ib_sriov sriov;
625 struct mutex cap_mask_mutex;
627 struct mlx4_ib_iboe iboe;
628 struct mlx4_ib_counters counters_table[MLX4_MAX_PORTS];
630 struct kobject *iov_parent;
631 struct kobject *ports_parent;
632 struct kobject *dev_ports_parent[MLX4_MFUNC_MAX];
633 struct mlx4_ib_iov_port iov_ports[MLX4_MAX_PORTS];
634 struct pkey_mgt pkeys;
635 unsigned long *ib_uc_qpns_bitmap;
638 int steering_support;
639 struct mlx4_ib_qp *qp1_proxy[MLX4_MAX_PORTS];
640 /* lock when destroying qp1_proxy and getting netdev events */
641 struct mutex qp1_proxy_lock[MLX4_MAX_PORTS];
643 /* protect resources needed as part of reset flow */
644 spinlock_t reset_flow_resource_lock;
645 struct list_head qp_list;
646 struct mlx4_ib_diag_counters diag_counters[MLX4_DIAG_COUNTERS_TYPES];
649 struct ib_event_work {
650 struct work_struct work;
651 struct mlx4_ib_dev *ib_dev;
652 struct mlx4_eqe ib_eqe;
656 struct mlx4_ib_qp_tunnel_init_attr {
657 struct ib_qp_init_attr init_attr;
659 enum ib_qp_type proxy_qp_type;
663 struct mlx4_uverbs_ex_query_device {
668 static inline struct mlx4_ib_dev *to_mdev(struct ib_device *ibdev)
670 return container_of(ibdev, struct mlx4_ib_dev, ib_dev);
673 static inline struct mlx4_ib_ucontext *to_mucontext(struct ib_ucontext *ibucontext)
675 return container_of(ibucontext, struct mlx4_ib_ucontext, ibucontext);
678 static inline struct mlx4_ib_pd *to_mpd(struct ib_pd *ibpd)
680 return container_of(ibpd, struct mlx4_ib_pd, ibpd);
683 static inline struct mlx4_ib_xrcd *to_mxrcd(struct ib_xrcd *ibxrcd)
685 return container_of(ibxrcd, struct mlx4_ib_xrcd, ibxrcd);
688 static inline struct mlx4_ib_cq *to_mcq(struct ib_cq *ibcq)
690 return container_of(ibcq, struct mlx4_ib_cq, ibcq);
693 static inline struct mlx4_ib_cq *to_mibcq(struct mlx4_cq *mcq)
695 return container_of(mcq, struct mlx4_ib_cq, mcq);
698 static inline struct mlx4_ib_mr *to_mmr(struct ib_mr *ibmr)
700 return container_of(ibmr, struct mlx4_ib_mr, ibmr);
703 static inline struct mlx4_ib_mw *to_mmw(struct ib_mw *ibmw)
705 return container_of(ibmw, struct mlx4_ib_mw, ibmw);
708 static inline struct mlx4_ib_flow *to_mflow(struct ib_flow *ibflow)
710 return container_of(ibflow, struct mlx4_ib_flow, ibflow);
713 static inline struct mlx4_ib_qp *to_mqp(struct ib_qp *ibqp)
715 return container_of(ibqp, struct mlx4_ib_qp, ibqp);
718 static inline struct mlx4_ib_qp *to_mibqp(struct mlx4_qp *mqp)
720 return container_of(mqp, struct mlx4_ib_qp, mqp);
723 static inline struct mlx4_ib_srq *to_msrq(struct ib_srq *ibsrq)
725 return container_of(ibsrq, struct mlx4_ib_srq, ibsrq);
728 static inline struct mlx4_ib_srq *to_mibsrq(struct mlx4_srq *msrq)
730 return container_of(msrq, struct mlx4_ib_srq, msrq);
733 static inline struct mlx4_ib_ah *to_mah(struct ib_ah *ibah)
735 return container_of(ibah, struct mlx4_ib_ah, ibah);
738 static inline u8 mlx4_ib_bond_next_port(struct mlx4_ib_dev *dev)
740 dev->bond_next_port = (dev->bond_next_port + 1) % dev->num_ports;
742 return dev->bond_next_port + 1;
745 int mlx4_ib_init_sriov(struct mlx4_ib_dev *dev);
746 void mlx4_ib_close_sriov(struct mlx4_ib_dev *dev);
748 int mlx4_ib_db_map_user(struct ib_udata *udata, unsigned long virt,
750 void mlx4_ib_db_unmap_user(struct mlx4_ib_ucontext *context, struct mlx4_db *db);
752 struct ib_mr *mlx4_ib_get_dma_mr(struct ib_pd *pd, int acc);
753 int mlx4_ib_umem_write_mtt(struct mlx4_ib_dev *dev, struct mlx4_mtt *mtt,
754 struct ib_umem *umem);
755 struct ib_mr *mlx4_ib_reg_user_mr(struct ib_pd *pd, u64 start, u64 length,
756 u64 virt_addr, int access_flags,
757 struct ib_udata *udata);
758 int mlx4_ib_dereg_mr(struct ib_mr *mr, struct ib_udata *udata);
759 int mlx4_ib_alloc_mw(struct ib_mw *mw, struct ib_udata *udata);
760 int mlx4_ib_dealloc_mw(struct ib_mw *mw);
761 struct ib_mr *mlx4_ib_alloc_mr(struct ib_pd *pd, enum ib_mr_type mr_type,
763 int mlx4_ib_map_mr_sg(struct ib_mr *ibmr, struct scatterlist *sg, int sg_nents,
764 unsigned int *sg_offset);
765 int mlx4_ib_modify_cq(struct ib_cq *cq, u16 cq_count, u16 cq_period);
766 int mlx4_ib_resize_cq(struct ib_cq *ibcq, int entries, struct ib_udata *udata);
767 int mlx4_ib_create_cq(struct ib_cq *ibcq, const struct ib_cq_init_attr *attr,
768 struct ib_udata *udata);
769 int mlx4_ib_destroy_cq(struct ib_cq *cq, struct ib_udata *udata);
770 int mlx4_ib_poll_cq(struct ib_cq *ibcq, int num_entries, struct ib_wc *wc);
771 int mlx4_ib_arm_cq(struct ib_cq *cq, enum ib_cq_notify_flags flags);
772 void __mlx4_ib_cq_clean(struct mlx4_ib_cq *cq, u32 qpn, struct mlx4_ib_srq *srq);
773 void mlx4_ib_cq_clean(struct mlx4_ib_cq *cq, u32 qpn, struct mlx4_ib_srq *srq);
775 int mlx4_ib_create_ah(struct ib_ah *ah, struct rdma_ah_init_attr *init_attr,
776 struct ib_udata *udata);
777 int mlx4_ib_create_ah_slave(struct ib_ah *ah, struct rdma_ah_attr *ah_attr,
778 int slave_sgid_index, u8 *s_mac, u16 vlan_tag);
779 int mlx4_ib_query_ah(struct ib_ah *ibah, struct rdma_ah_attr *ah_attr);
780 static inline int mlx4_ib_destroy_ah(struct ib_ah *ah, u32 flags)
785 int mlx4_ib_create_srq(struct ib_srq *srq, struct ib_srq_init_attr *init_attr,
786 struct ib_udata *udata);
787 int mlx4_ib_modify_srq(struct ib_srq *ibsrq, struct ib_srq_attr *attr,
788 enum ib_srq_attr_mask attr_mask, struct ib_udata *udata);
789 int mlx4_ib_query_srq(struct ib_srq *srq, struct ib_srq_attr *srq_attr);
790 int mlx4_ib_destroy_srq(struct ib_srq *srq, struct ib_udata *udata);
791 void mlx4_ib_free_srq_wqe(struct mlx4_ib_srq *srq, int wqe_index);
792 int mlx4_ib_post_srq_recv(struct ib_srq *ibsrq, const struct ib_recv_wr *wr,
793 const struct ib_recv_wr **bad_wr);
795 struct ib_qp *mlx4_ib_create_qp(struct ib_pd *pd,
796 struct ib_qp_init_attr *init_attr,
797 struct ib_udata *udata);
798 int mlx4_ib_destroy_qp(struct ib_qp *qp, struct ib_udata *udata);
799 void mlx4_ib_drain_sq(struct ib_qp *qp);
800 void mlx4_ib_drain_rq(struct ib_qp *qp);
801 int mlx4_ib_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr,
802 int attr_mask, struct ib_udata *udata);
803 int mlx4_ib_query_qp(struct ib_qp *ibqp, struct ib_qp_attr *qp_attr, int qp_attr_mask,
804 struct ib_qp_init_attr *qp_init_attr);
805 int mlx4_ib_post_send(struct ib_qp *ibqp, const struct ib_send_wr *wr,
806 const struct ib_send_wr **bad_wr);
807 int mlx4_ib_post_recv(struct ib_qp *ibqp, const struct ib_recv_wr *wr,
808 const struct ib_recv_wr **bad_wr);
810 int mlx4_MAD_IFC(struct mlx4_ib_dev *dev, int mad_ifc_flags,
811 int port, const struct ib_wc *in_wc, const struct ib_grh *in_grh,
812 const void *in_mad, void *response_mad);
813 int mlx4_ib_process_mad(struct ib_device *ibdev, int mad_flags, u8 port_num,
814 const struct ib_wc *in_wc, const struct ib_grh *in_grh,
815 const struct ib_mad *in, struct ib_mad *out,
816 size_t *out_mad_size, u16 *out_mad_pkey_index);
817 int mlx4_ib_mad_init(struct mlx4_ib_dev *dev);
818 void mlx4_ib_mad_cleanup(struct mlx4_ib_dev *dev);
820 int __mlx4_ib_query_port(struct ib_device *ibdev, u8 port,
821 struct ib_port_attr *props, int netw_view);
822 int __mlx4_ib_query_pkey(struct ib_device *ibdev, u8 port, u16 index,
823 u16 *pkey, int netw_view);
825 int __mlx4_ib_query_gid(struct ib_device *ibdev, u8 port, int index,
826 union ib_gid *gid, int netw_view);
828 static inline bool mlx4_ib_ah_grh_present(struct mlx4_ib_ah *ah)
830 u8 port = be32_to_cpu(ah->av.ib.port_pd) >> 24 & 3;
832 if (rdma_port_get_link_layer(ah->ibah.device, port) == IB_LINK_LAYER_ETHERNET)
835 return !!(ah->av.ib.g_slid & 0x80);
838 int mlx4_ib_mcg_port_init(struct mlx4_ib_demux_ctx *ctx);
839 void mlx4_ib_mcg_port_cleanup(struct mlx4_ib_demux_ctx *ctx, int destroy_wq);
840 void clean_vf_mcast(struct mlx4_ib_demux_ctx *ctx, int slave);
841 int mlx4_ib_mcg_init(void);
842 void mlx4_ib_mcg_destroy(void);
844 int mlx4_ib_find_real_gid(struct ib_device *ibdev, u8 port, __be64 guid);
846 int mlx4_ib_mcg_multiplex_handler(struct ib_device *ibdev, int port, int slave,
847 struct ib_sa_mad *sa_mad);
848 int mlx4_ib_mcg_demux_handler(struct ib_device *ibdev, int port, int slave,
849 struct ib_sa_mad *mad);
851 int mlx4_ib_add_mc(struct mlx4_ib_dev *mdev, struct mlx4_ib_qp *mqp,
854 void mlx4_ib_dispatch_event(struct mlx4_ib_dev *dev, u8 port_num,
855 enum ib_event_type type);
857 void mlx4_ib_tunnels_update_work(struct work_struct *work);
859 int mlx4_ib_send_to_slave(struct mlx4_ib_dev *dev, int slave, u8 port,
860 enum ib_qp_type qpt, struct ib_wc *wc,
861 struct ib_grh *grh, struct ib_mad *mad);
863 int mlx4_ib_send_to_wire(struct mlx4_ib_dev *dev, int slave, u8 port,
864 enum ib_qp_type dest_qpt, u16 pkey_index, u32 remote_qpn,
865 u32 qkey, struct rdma_ah_attr *attr, u8 *s_mac,
866 u16 vlan_id, struct ib_mad *mad);
868 __be64 mlx4_ib_get_new_demux_tid(struct mlx4_ib_demux_ctx *ctx);
870 int mlx4_ib_demux_cm_handler(struct ib_device *ibdev, int port, int *slave,
873 int mlx4_ib_multiplex_cm_handler(struct ib_device *ibdev, int port, int slave_id,
876 void mlx4_ib_cm_paravirt_init(struct mlx4_ib_dev *dev);
877 void mlx4_ib_cm_paravirt_clean(struct mlx4_ib_dev *dev, int slave_id);
879 /* alias guid support */
880 void mlx4_ib_init_alias_guid_work(struct mlx4_ib_dev *dev, int port);
881 int mlx4_ib_init_alias_guid_service(struct mlx4_ib_dev *dev);
882 void mlx4_ib_destroy_alias_guid_service(struct mlx4_ib_dev *dev);
883 void mlx4_ib_invalidate_all_guid_record(struct mlx4_ib_dev *dev, int port);
885 void mlx4_ib_notify_slaves_on_guid_change(struct mlx4_ib_dev *dev,
887 u8 port_num, u8 *p_data);
889 void mlx4_ib_update_cache_on_guid_change(struct mlx4_ib_dev *dev,
890 int block_num, u8 port_num,
893 int add_sysfs_port_mcg_attr(struct mlx4_ib_dev *device, int port_num,
894 struct attribute *attr);
895 void del_sysfs_port_mcg_attr(struct mlx4_ib_dev *device, int port_num,
896 struct attribute *attr);
897 ib_sa_comp_mask mlx4_ib_get_aguid_comp_mask_from_ix(int index);
898 void mlx4_ib_slave_alias_guid_event(struct mlx4_ib_dev *dev, int slave,
899 int port, int slave_init);
901 int mlx4_ib_device_register_sysfs(struct mlx4_ib_dev *device) ;
903 void mlx4_ib_device_unregister_sysfs(struct mlx4_ib_dev *device);
905 __be64 mlx4_ib_gen_node_guid(void);
907 int mlx4_ib_steer_qp_alloc(struct mlx4_ib_dev *dev, int count, int *qpn);
908 void mlx4_ib_steer_qp_free(struct mlx4_ib_dev *dev, u32 qpn, int count);
909 int mlx4_ib_steer_qp_reg(struct mlx4_ib_dev *mdev, struct mlx4_ib_qp *mqp,
911 int mlx4_ib_rereg_user_mr(struct ib_mr *mr, int flags,
912 u64 start, u64 length, u64 virt_addr,
913 int mr_access_flags, struct ib_pd *pd,
914 struct ib_udata *udata);
915 int mlx4_ib_gid_index_to_real_index(struct mlx4_ib_dev *ibdev,
916 const struct ib_gid_attr *attr);
918 void mlx4_sched_ib_sl2vl_update_work(struct mlx4_ib_dev *ibdev,
921 void mlx4_ib_sl2vl_update(struct mlx4_ib_dev *mdev, int port);
923 struct ib_wq *mlx4_ib_create_wq(struct ib_pd *pd,
924 struct ib_wq_init_attr *init_attr,
925 struct ib_udata *udata);
926 int mlx4_ib_destroy_wq(struct ib_wq *wq, struct ib_udata *udata);
927 int mlx4_ib_modify_wq(struct ib_wq *wq, struct ib_wq_attr *wq_attr,
928 u32 wq_attr_mask, struct ib_udata *udata);
930 int mlx4_ib_create_rwq_ind_table(struct ib_rwq_ind_table *ib_rwq_ind_tbl,
931 struct ib_rwq_ind_table_init_attr *init_attr,
932 struct ib_udata *udata);
934 mlx4_ib_destroy_rwq_ind_table(struct ib_rwq_ind_table *wq_ind_table)
938 int mlx4_ib_umem_calc_optimal_mtt_size(struct ib_umem *umem, u64 start_va,
941 #endif /* MLX4_IB_H */