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>
41 #include <linux/rbtree.h>
42 #include <linux/notifier.h>
44 #include <rdma/ib_verbs.h>
45 #include <rdma/ib_umem.h>
46 #include <rdma/ib_mad.h>
47 #include <rdma/ib_sa.h>
49 #include <dev/mlx4/device.h>
50 #include <dev/mlx4/doorbell.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)->dma_device, MLX4_IB_DRV_NAME ": " format, ## arg)
62 #define mlx4_ib_info(ibdev, format, arg...) \
63 dev_info((ibdev)->dma_device, MLX4_IB_DRV_NAME ": " format, ## arg)
66 MLX4_IB_SQ_MIN_WQE_SHIFT = 6,
67 MLX4_IB_MAX_HEADROOM = 2048
70 #define MLX4_IB_SQ_HEADROOM(shift) ((MLX4_IB_MAX_HEADROOM >> (shift)) + 1)
71 #define MLX4_IB_SQ_MAX_SPARE (MLX4_IB_SQ_HEADROOM(MLX4_IB_SQ_MIN_WQE_SHIFT))
73 /*module param to indicate if SM assigns the alias_GUID*/
74 extern int mlx4_ib_sm_guid_assign;
75 extern struct proc_dir_entry *mlx4_mrs_dir_entry;
77 #define MLX4_IB_UC_STEER_QPN_ALIGN 1
78 #define MLX4_IB_UC_MAX_NUM_QPS (256 * 1024)
81 #define MLX4_IB_MMAP_CMD_MASK 0xFF
82 #define MLX4_IB_MMAP_CMD_BITS 8
84 struct mlx4_ib_ucontext {
85 struct ib_ucontext ibucontext;
87 struct list_head db_page_list;
88 struct mutex db_page_mutex;
97 struct ib_xrcd ibxrcd;
103 struct mlx4_ib_cq_buf {
109 struct mlx4_ib_cq_resize {
110 struct mlx4_ib_cq_buf buf;
114 struct mlx4_shared_mr_info {
116 struct ib_umem *umem;
122 struct mlx4_ib_cq_buf buf;
123 struct mlx4_ib_cq_resize *resize_buf;
126 struct mutex resize_mutex;
127 struct ib_umem *umem;
128 struct ib_umem *resize_umem;
135 struct ib_umem *umem;
136 struct mlx4_shared_mr_info *smr_info;
137 atomic_t invalidated;
138 struct completion invalidation_comp;
146 struct mlx4_ib_fast_reg_page_list {
147 struct ib_fast_reg_page_list ibfrpl;
148 __be64 *mapped_page_list;
154 struct mlx4_fmr mfmr;
157 struct mlx4_ib_flow {
158 struct ib_flow ibflow;
159 /* translating DMFS verbs sniffer rule to FW API requires two reg IDs */
175 enum mlx4_ib_qp_flags {
176 MLX4_IB_QP_LSO = IB_QP_CREATE_IPOIB_UD_LSO,
177 MLX4_IB_QP_BLOCK_MULTICAST_LOOPBACK = IB_QP_CREATE_BLOCK_MULTICAST_LOOPBACK,
178 MLX4_IB_QP_CAP_CROSS_CHANNEL = IB_QP_CREATE_CROSS_CHANNEL,
179 MLX4_IB_QP_CAP_MANAGED_SEND = IB_QP_CREATE_MANAGED_SEND,
180 MLX4_IB_QP_CAP_MANAGED_RECV = IB_QP_CREATE_MANAGED_RECV,
181 MLX4_IB_QP_NETIF = IB_QP_CREATE_NETIF_QP,
182 MLX4_IB_SRIOV_TUNNEL_QP = 1 << 30,
183 MLX4_IB_SRIOV_SQP = 1 << 31,
186 struct mlx4_ib_gid_entry {
187 struct list_head list;
193 enum mlx4_ib_mmap_cmd {
194 MLX4_IB_MMAP_UAR_PAGE = 0,
195 MLX4_IB_MMAP_BLUE_FLAME_PAGE = 1,
196 MLX4_IB_MMAP_GET_CONTIGUOUS_PAGES = 2,
197 MLX4_IB_MMAP_GET_HW_CLOCK = 3,
200 enum mlx4_ib_qp_type {
202 * IB_QPT_SMI and IB_QPT_GSI have to be the first two entries
203 * here (and in that order) since the MAD layer uses them as
204 * indices into a 2-entry table.
206 MLX4_IB_QPT_SMI = IB_QPT_SMI,
207 MLX4_IB_QPT_GSI = IB_QPT_GSI,
209 MLX4_IB_QPT_RC = IB_QPT_RC,
210 MLX4_IB_QPT_UC = IB_QPT_UC,
211 MLX4_IB_QPT_UD = IB_QPT_UD,
212 MLX4_IB_QPT_RAW_IPV6 = IB_QPT_RAW_IPV6,
213 MLX4_IB_QPT_RAW_ETHERTYPE = IB_QPT_RAW_ETHERTYPE,
214 MLX4_IB_QPT_RAW_PACKET = IB_QPT_RAW_PACKET,
215 MLX4_IB_QPT_XRC_INI = IB_QPT_XRC_INI,
216 MLX4_IB_QPT_XRC_TGT = IB_QPT_XRC_TGT,
218 MLX4_IB_QPT_PROXY_SMI_OWNER = 1 << 16,
219 MLX4_IB_QPT_PROXY_SMI = 1 << 17,
220 MLX4_IB_QPT_PROXY_GSI = 1 << 18,
221 MLX4_IB_QPT_TUN_SMI_OWNER = 1 << 19,
222 MLX4_IB_QPT_TUN_SMI = 1 << 20,
223 MLX4_IB_QPT_TUN_GSI = 1 << 21,
226 #define MLX4_IB_QPT_ANY_SRIOV (MLX4_IB_QPT_PROXY_SMI_OWNER | \
227 MLX4_IB_QPT_PROXY_SMI | MLX4_IB_QPT_PROXY_GSI | MLX4_IB_QPT_TUN_SMI_OWNER | \
228 MLX4_IB_QPT_TUN_SMI | MLX4_IB_QPT_TUN_GSI)
230 enum mlx4_ib_mad_ifc_flags {
231 MLX4_MAD_IFC_IGNORE_MKEY = 1,
232 MLX4_MAD_IFC_IGNORE_BKEY = 2,
233 MLX4_MAD_IFC_IGNORE_KEYS = (MLX4_MAD_IFC_IGNORE_MKEY |
234 MLX4_MAD_IFC_IGNORE_BKEY),
235 MLX4_MAD_IFC_NET_VIEW = 4,
239 MLX4_NUM_TUNNEL_BUFS = 256,
242 struct mlx4_ib_tunnel_header {
257 struct mlx4_rcv_tunnel_hdr {
258 __be32 flags_src_qp; /* flags[6:5] is defined for VLANs:
259 * 0x0 - no vlan was in the packet
260 * 0x01 - C-VLAN was in the packet */
261 u8 g_ml_path; /* gid bit stands for ipv6/4 header in RoCE */
265 __be16 slid_mac_47_32;
269 struct mlx4_ib_proxy_sqp_hdr {
271 struct mlx4_rcv_tunnel_hdr tun;
274 struct mlx4_roce_smac_vlan_info {
279 int candidate_smac_index;
280 int candidate_smac_port;
285 int candidate_vlan_index;
286 int candidate_vlan_port;
290 struct mlx4_ib_qpg_data {
291 unsigned long *tss_bitmap;
292 unsigned long *rss_bitmap;
293 struct mlx4_ib_qp *qpg_parent;
307 struct mlx4_ib_wq rq;
310 __be32 sq_signal_bits;
311 unsigned sq_next_wqe;
312 int sq_max_wqes_per_wr;
314 struct mlx4_ib_wq sq;
316 enum mlx4_ib_qp_type mlx4_ib_qp_type;
317 struct ib_umem *umem;
330 enum ib_qpg_type qpg_type;
331 struct mlx4_ib_qpg_data *qpg_data;
332 struct list_head gid_list;
333 struct list_head steering_rules;
334 struct mlx4_ib_buf *sqp_proxy_rcv;
335 struct mlx4_roce_smac_vlan_info pri;
336 struct mlx4_roce_smac_vlan_info alt;
337 struct list_head rules_list;
350 struct mlx4_srq msrq;
358 struct ib_umem *umem;
365 union mlx4_ext_av av;
368 /****************************************/
369 /* alias guid support */
370 /****************************************/
371 #define NUM_PORT_ALIAS_GUID 2
372 #define NUM_ALIAS_GUID_IN_REC 8
373 #define NUM_ALIAS_GUID_REC_IN_PORT 16
374 #define GUID_REC_SIZE 8
375 #define NUM_ALIAS_GUID_PER_PORT 128
376 #define MLX4_NOT_SET_GUID (0x00LL)
377 #define MLX4_GUID_FOR_DELETE_VAL (~(0x00LL))
379 /****************************************/
381 /****************************************/
382 #define MLX4_IOC_MAGIC 'm'
383 #define MLX4_IOCHWCLOCKOFFSET _IOR(MLX4_IOC_MAGIC, 1, int)
385 enum mlx4_guid_alias_rec_status {
386 MLX4_GUID_INFO_STATUS_IDLE,
387 MLX4_GUID_INFO_STATUS_SET,
388 MLX4_GUID_INFO_STATUS_PENDING,
391 enum mlx4_guid_alias_rec_ownership {
392 MLX4_GUID_DRIVER_ASSIGN,
393 MLX4_GUID_SYSADMIN_ASSIGN,
394 MLX4_GUID_NONE_ASSIGN, /*init state of each record*/
397 enum 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,
402 struct 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; /*indicates what from the 8 records are valid*/
405 enum mlx4_guid_alias_rec_status status; /*indicates the administraively status of the record.*/
406 u8 method; /*set or delete*/
407 enum mlx4_guid_alias_rec_ownership ownership; /*indicates who assign that alias_guid record*/
410 struct 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;
415 struct mlx4_sriov_alias_guid *parent;
416 struct list_head cb_list;
419 struct mlx4_sriov_alias_guid {
420 struct mlx4_sriov_alias_guid_port_rec_det ports_guid[MLX4_MAX_PORTS];
421 spinlock_t ag_work_lock;
422 struct ib_sa_client *sa_client;
425 struct mlx4_ib_demux_work {
426 struct work_struct work;
427 struct mlx4_ib_dev *dev;
434 struct mlx4_ib_tun_tx_buf {
435 struct mlx4_ib_buf buf;
439 struct mlx4_ib_demux_pv_qp {
441 enum ib_qp_type proxy_qpt;
442 struct mlx4_ib_buf *ring;
443 struct mlx4_ib_tun_tx_buf *tx_ring;
449 enum mlx4_ib_demux_pv_state {
451 DEMUX_PV_STATE_STARTING,
452 DEMUX_PV_STATE_ACTIVE,
453 DEMUX_PV_STATE_DOWNING,
456 struct mlx4_ib_demux_pv_ctx {
459 enum mlx4_ib_demux_pv_state state;
461 struct ib_device *ib_dev;
465 struct work_struct work;
466 struct workqueue_struct *wq;
467 struct mlx4_ib_demux_pv_qp qp[2];
470 struct mlx4_ib_demux_ctx {
471 struct ib_device *ib_dev;
473 struct workqueue_struct *wq;
474 struct workqueue_struct *ud_wq;
476 __be64 subnet_prefix;
477 __be64 guid_cache[128];
478 struct mlx4_ib_dev *dev;
479 /* the following lock protects both mcg_table and mcg_mgid0_list */
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;
486 int flushing; /* flushing the work queue */
489 struct 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 /* when using this spinlock you should use "irq" because
493 * it may be called from interrupt context.*/
494 spinlock_t going_down_lock;
497 struct mlx4_sriov_alias_guid alias_guid;
499 /* CM paravirtualization fields */
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;
506 struct mlx4_ib_iboe {
508 struct net_device *netdevs[MLX4_MAX_PORTS];
509 struct net_device *masters[MLX4_MAX_PORTS];
510 struct notifier_block nb;
511 struct notifier_block nb_inet;
512 union ib_gid gid_table[MLX4_MAX_PORTS][128];
516 u8 virt2phys_pkey[MLX4_MFUNC_MAX][MLX4_MAX_PORTS][MLX4_MAX_PORT_PKEYS];
517 u16 phys_pkey_cache[MLX4_MAX_PORTS][MLX4_MAX_PORT_PKEYS];
518 struct list_head pkey_port_list[MLX4_MFUNC_MAX];
519 struct kobject *device_parent[MLX4_MFUNC_MAX];
522 struct mlx4_ib_iov_sysfs_attr {
524 struct kobject *kobj;
528 struct device_attribute dentry;
532 struct mlx4_ib_iov_sysfs_attr_ar {
533 struct mlx4_ib_iov_sysfs_attr dentries[3 * NUM_ALIAS_GUID_PER_PORT + 1];
536 struct mlx4_ib_iov_port {
539 struct mlx4_ib_dev *dev;
540 struct list_head list;
541 struct mlx4_ib_iov_sysfs_attr_ar *dentr_ar;
542 struct ib_port_attr attr;
543 struct kobject *cur_port;
544 struct kobject *admin_alias_parent;
545 struct kobject *gids_parent;
546 struct kobject *pkeys_parent;
547 struct kobject *mcgs_parent;
548 struct mlx4_ib_iov_sysfs_attr mcg_dentry;
551 struct mlx4_ib_counter {
557 struct ib_device ib_dev;
558 struct mlx4_dev *dev;
560 struct mlx4_uar priv_uar;
562 MLX4_DECLARE_DOORBELL_LOCK(uar_lock);
564 struct ib_mad_agent *send_agent[MLX4_MAX_PORTS][2];
565 struct ib_ah *sm_ah[MLX4_MAX_PORTS];
567 struct mlx4_ib_sriov sriov;
569 struct mutex cap_mask_mutex;
571 struct mlx4_ib_iboe iboe;
572 struct mlx4_ib_counter counters[MLX4_MAX_PORTS];
575 struct kobject *iov_parent;
576 struct kobject *ports_parent;
577 struct kobject *dev_ports_parent[MLX4_MFUNC_MAX];
578 struct mlx4_ib_iov_port iov_ports[MLX4_MAX_PORTS];
579 struct pkey_mgt pkeys;
580 unsigned long *ib_uc_qpns_bitmap;
585 struct ib_event_work {
586 struct work_struct work;
587 struct mlx4_ib_dev *ib_dev;
588 struct mlx4_eqe ib_eqe;
591 struct mlx4_ib_qp_tunnel_init_attr {
592 struct ib_qp_init_attr init_attr;
594 enum ib_qp_type proxy_qp_type;
598 static inline struct mlx4_ib_dev *to_mdev(struct ib_device *ibdev)
600 return container_of(ibdev, struct mlx4_ib_dev, ib_dev);
603 static inline struct mlx4_ib_ucontext *to_mucontext(struct ib_ucontext *ibucontext)
605 return container_of(ibucontext, struct mlx4_ib_ucontext, ibucontext);
608 static inline struct mlx4_ib_pd *to_mpd(struct ib_pd *ibpd)
610 return container_of(ibpd, struct mlx4_ib_pd, ibpd);
613 static inline struct mlx4_ib_xrcd *to_mxrcd(struct ib_xrcd *ibxrcd)
615 return container_of(ibxrcd, struct mlx4_ib_xrcd, ibxrcd);
618 static inline struct mlx4_ib_cq *to_mcq(struct ib_cq *ibcq)
620 return container_of(ibcq, struct mlx4_ib_cq, ibcq);
623 static inline struct mlx4_ib_cq *to_mibcq(struct mlx4_cq *mcq)
625 return container_of(mcq, struct mlx4_ib_cq, mcq);
628 static inline struct mlx4_ib_mr *to_mmr(struct ib_mr *ibmr)
630 return container_of(ibmr, struct mlx4_ib_mr, ibmr);
633 static inline struct mlx4_ib_mw *to_mmw(struct ib_mw *ibmw)
635 return container_of(ibmw, struct mlx4_ib_mw, ibmw);
638 static inline struct mlx4_ib_fast_reg_page_list *to_mfrpl(struct ib_fast_reg_page_list *ibfrpl)
640 return container_of(ibfrpl, struct mlx4_ib_fast_reg_page_list, ibfrpl);
643 static inline struct mlx4_ib_fmr *to_mfmr(struct ib_fmr *ibfmr)
645 return container_of(ibfmr, struct mlx4_ib_fmr, ibfmr);
648 static inline struct mlx4_ib_flow *to_mflow(struct ib_flow *ibflow)
650 return container_of(ibflow, struct mlx4_ib_flow, ibflow);
653 static inline struct mlx4_ib_qp *to_mqp(struct ib_qp *ibqp)
655 return container_of(ibqp, struct mlx4_ib_qp, ibqp);
658 static inline struct mlx4_ib_qp *to_mibqp(struct mlx4_qp *mqp)
660 return container_of(mqp, struct mlx4_ib_qp, mqp);
663 static inline struct mlx4_ib_srq *to_msrq(struct ib_srq *ibsrq)
665 return container_of(ibsrq, struct mlx4_ib_srq, ibsrq);
668 static inline struct mlx4_ib_srq *to_mibsrq(struct mlx4_srq *msrq)
670 return container_of(msrq, struct mlx4_ib_srq, msrq);
673 static inline struct mlx4_ib_ah *to_mah(struct ib_ah *ibah)
675 return container_of(ibah, struct mlx4_ib_ah, ibah);
678 int mlx4_ib_init_sriov(struct mlx4_ib_dev *dev);
679 void mlx4_ib_close_sriov(struct mlx4_ib_dev *dev);
681 int mlx4_ib_db_map_user(struct mlx4_ib_ucontext *context, unsigned long virt,
683 void mlx4_ib_db_unmap_user(struct mlx4_ib_ucontext *context, struct mlx4_db *db);
685 struct ib_mr *mlx4_ib_get_dma_mr(struct ib_pd *pd, int acc);
686 int mlx4_ib_umem_write_mtt(struct mlx4_ib_dev *dev, struct mlx4_mtt *mtt,
687 struct ib_umem *umem);
688 int mlx4_ib_umem_calc_optimal_mtt_size(struct ib_umem *umem,
691 struct ib_mr *mlx4_ib_reg_user_mr(struct ib_pd *pd, u64 start, u64 length,
692 u64 virt_addr, int access_flags,
693 struct ib_udata *udata, int mr_id);
694 int mlx4_ib_dereg_mr(struct ib_mr *mr);
695 struct ib_mw *mlx4_ib_alloc_mw(struct ib_pd *pd, enum ib_mw_type type);
696 int mlx4_ib_bind_mw(struct ib_qp *qp, struct ib_mw *mw,
697 struct ib_mw_bind *mw_bind);
698 int mlx4_ib_dealloc_mw(struct ib_mw *mw);
699 struct ib_mr *mlx4_ib_alloc_fast_reg_mr(struct ib_pd *pd,
700 int max_page_list_len);
701 struct ib_fast_reg_page_list *mlx4_ib_alloc_fast_reg_page_list(struct ib_device *ibdev,
703 void mlx4_ib_free_fast_reg_page_list(struct ib_fast_reg_page_list *page_list);
705 int mlx4_ib_modify_cq(struct ib_cq *cq,
706 struct ib_cq_attr *cq_attr,
708 int mlx4_ib_resize_cq(struct ib_cq *ibcq, int entries, struct ib_udata *udata);
709 int mlx4_ib_ignore_overrun_cq(struct ib_cq *ibcq);
710 struct ib_cq *mlx4_ib_create_cq(struct ib_device *ibdev,
711 struct ib_cq_init_attr *attr,
712 struct ib_ucontext *context,
713 struct ib_udata *udata);
714 int mlx4_ib_destroy_cq(struct ib_cq *cq);
715 int mlx4_ib_poll_cq(struct ib_cq *ibcq, int num_entries, struct ib_wc *wc);
716 int mlx4_ib_arm_cq(struct ib_cq *cq, enum ib_cq_notify_flags flags);
717 void __mlx4_ib_cq_clean(struct mlx4_ib_cq *cq, u32 qpn, struct mlx4_ib_srq *srq);
718 void mlx4_ib_cq_clean(struct mlx4_ib_cq *cq, u32 qpn, struct mlx4_ib_srq *srq);
720 struct ib_ah *mlx4_ib_create_ah(struct ib_pd *pd, struct ib_ah_attr *ah_attr);
721 int mlx4_ib_query_ah(struct ib_ah *ibah, struct ib_ah_attr *ah_attr);
722 int mlx4_ib_destroy_ah(struct ib_ah *ah);
724 struct ib_srq *mlx4_ib_create_srq(struct ib_pd *pd,
725 struct ib_srq_init_attr *init_attr,
726 struct ib_udata *udata);
727 int mlx4_ib_modify_srq(struct ib_srq *ibsrq, struct ib_srq_attr *attr,
728 enum ib_srq_attr_mask attr_mask, struct ib_udata *udata);
729 int mlx4_ib_query_srq(struct ib_srq *srq, struct ib_srq_attr *srq_attr);
730 int mlx4_ib_destroy_srq(struct ib_srq *srq);
731 void mlx4_ib_free_srq_wqe(struct mlx4_ib_srq *srq, int wqe_index);
732 int mlx4_ib_post_srq_recv(struct ib_srq *ibsrq, struct ib_recv_wr *wr,
733 struct ib_recv_wr **bad_wr);
735 struct ib_qp *mlx4_ib_create_qp(struct ib_pd *pd,
736 struct ib_qp_init_attr *init_attr,
737 struct ib_udata *udata);
738 int mlx4_ib_destroy_qp(struct ib_qp *qp);
739 int mlx4_ib_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr,
740 int attr_mask, struct ib_udata *udata);
741 int mlx4_ib_query_qp(struct ib_qp *ibqp, struct ib_qp_attr *qp_attr, int qp_attr_mask,
742 struct ib_qp_init_attr *qp_init_attr);
743 int mlx4_ib_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr,
744 struct ib_send_wr **bad_wr);
745 int mlx4_ib_post_recv(struct ib_qp *ibqp, struct ib_recv_wr *wr,
746 struct ib_recv_wr **bad_wr);
748 int mlx4_MAD_IFC(struct mlx4_ib_dev *dev, int mad_ifc_flags,
749 int port, struct ib_wc *in_wc, struct ib_grh *in_grh,
750 void *in_mad, void *response_mad);
751 int mlx4_ib_process_mad(struct ib_device *ibdev, int mad_flags, u8 port_num,
752 struct ib_wc *in_wc, struct ib_grh *in_grh,
753 struct ib_mad *in_mad, struct ib_mad *out_mad);
754 int mlx4_ib_mad_init(struct mlx4_ib_dev *dev);
755 void mlx4_ib_mad_cleanup(struct mlx4_ib_dev *dev);
757 struct ib_fmr *mlx4_ib_fmr_alloc(struct ib_pd *pd, int mr_access_flags,
758 struct ib_fmr_attr *fmr_attr);
759 int mlx4_ib_map_phys_fmr(struct ib_fmr *ibfmr, u64 *page_list, int npages,
761 int mlx4_ib_unmap_fmr(struct list_head *fmr_list);
762 int mlx4_ib_fmr_dealloc(struct ib_fmr *fmr);
763 int __mlx4_ib_query_port(struct ib_device *ibdev, u8 port,
764 struct ib_port_attr *props, int netw_view);
765 int __mlx4_ib_query_pkey(struct ib_device *ibdev, u8 port, u16 index,
766 u16 *pkey, int netw_view);
768 int __mlx4_ib_query_gid(struct ib_device *ibdev, u8 port, int index,
769 union ib_gid *gid, int netw_view);
771 int mlx4_ib_resolve_grh(struct mlx4_ib_dev *dev, const struct ib_ah_attr *ah_attr,
772 u8 *mac, int *is_mcast, u8 port);
774 int mlx4_ib_query_if_stat(struct mlx4_ib_dev *dev, u32 counter_index,
775 union mlx4_counter *counter, u8 clear);
777 static inline int mlx4_ib_ah_grh_present(struct mlx4_ib_ah *ah)
779 u8 port = be32_to_cpu(ah->av.ib.port_pd) >> 24 & 3;
781 if (rdma_port_get_link_layer(ah->ibah.device, port) == IB_LINK_LAYER_ETHERNET)
784 return !!(ah->av.ib.g_slid & 0x80);
786 static inline int mlx4_ib_qp_has_rq(struct ib_qp_init_attr *attr)
788 if (attr->qp_type == IB_QPT_XRC_INI || attr->qp_type == IB_QPT_XRC_TGT)
794 int mlx4_ib_mcg_port_init(struct mlx4_ib_demux_ctx *ctx);
795 void mlx4_ib_mcg_port_cleanup(struct mlx4_ib_demux_ctx *ctx, int destroy_wq);
796 void clean_vf_mcast(struct mlx4_ib_demux_ctx *ctx, int slave);
797 int mlx4_ib_mcg_init(void);
798 void mlx4_ib_mcg_destroy(void);
800 int mlx4_ib_find_real_gid(struct ib_device *ibdev, u8 port, __be64 guid);
802 int mlx4_ib_mcg_multiplex_handler(struct ib_device *ibdev, int port, int slave,
803 struct ib_sa_mad *sa_mad);
804 int mlx4_ib_mcg_demux_handler(struct ib_device *ibdev, int port, int slave,
805 struct ib_sa_mad *mad);
807 int mlx4_ib_add_mc(struct mlx4_ib_dev *mdev, struct mlx4_ib_qp *mqp,
810 void mlx4_ib_dispatch_event(struct mlx4_ib_dev *dev, u8 port_num,
811 enum ib_event_type type);
813 void mlx4_ib_tunnels_update_work(struct work_struct *work);
815 int mlx4_ib_send_to_slave(struct mlx4_ib_dev *dev, int slave, u8 port,
816 enum ib_qp_type qpt, struct ib_wc *wc,
817 struct ib_grh *grh, struct ib_mad *mad);
818 int mlx4_ib_send_to_wire(struct mlx4_ib_dev *dev, int slave, u8 port,
819 enum ib_qp_type dest_qpt, u16 pkey_index, u32 remote_qpn,
820 u32 qkey, struct ib_ah_attr *attr, u8 *s_mac, struct ib_mad *mad);
821 __be64 mlx4_ib_get_new_demux_tid(struct mlx4_ib_demux_ctx *ctx);
823 int mlx4_ib_demux_cm_handler(struct ib_device *ibdev, int port, int *slave,
824 struct ib_mad *mad, int is_eth);
826 int mlx4_ib_multiplex_cm_handler(struct ib_device *ibdev, int port, int slave_id,
829 void mlx4_ib_cm_paravirt_init(struct mlx4_ib_dev *dev);
830 void mlx4_ib_cm_paravirt_clean(struct mlx4_ib_dev *dev, int slave_id);
832 /* alias guid support */
833 void mlx4_ib_init_alias_guid_work(struct mlx4_ib_dev *dev, int port);
834 int mlx4_ib_init_alias_guid_service(struct mlx4_ib_dev *dev);
835 void mlx4_ib_destroy_alias_guid_service(struct mlx4_ib_dev *dev);
836 void mlx4_ib_invalidate_all_guid_record(struct mlx4_ib_dev *dev, int port);
838 void mlx4_ib_notify_slaves_on_guid_change(struct mlx4_ib_dev *dev,
840 u8 port_num, u8 *p_data);
842 void mlx4_ib_update_cache_on_guid_change(struct mlx4_ib_dev *dev,
843 int block_num, u8 port_num,
846 int add_sysfs_port_mcg_attr(struct mlx4_ib_dev *device, int port_num,
847 struct attribute *attr);
848 void del_sysfs_port_mcg_attr(struct mlx4_ib_dev *device, int port_num,
849 struct attribute *attr);
850 ib_sa_comp_mask mlx4_ib_get_aguid_comp_mask_from_ix(int index);
852 int mlx4_ib_device_register_sysfs(struct mlx4_ib_dev *device) ;
854 void mlx4_ib_device_unregister_sysfs(struct mlx4_ib_dev *device);
856 __be64 mlx4_ib_gen_node_guid(void);
858 int mlx4_ib_steer_qp_alloc(struct mlx4_ib_dev *dev, int count, int *qpn);
859 void mlx4_ib_steer_qp_free(struct mlx4_ib_dev *dev, u32 qpn, int count);
860 int mlx4_ib_steer_qp_reg(struct mlx4_ib_dev *mdev, struct mlx4_ib_qp *mqp,
862 int mlx4_ib_query_device(struct ib_device *ibdev,
863 struct ib_device_attr *props);
865 #endif /* MLX4_IB_H */