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 struct mlx4_ib_ucontext {
72 struct ib_ucontext ibucontext;
74 struct list_head db_page_list;
75 struct mutex db_page_mutex;
84 struct ib_xrcd ibxrcd;
90 struct mlx4_ib_cq_buf {
95 struct mlx4_ib_cq_resize {
96 struct mlx4_ib_cq_buf buf;
103 struct mlx4_ib_cq_buf buf;
104 struct mlx4_ib_cq_resize *resize_buf;
107 struct mutex resize_mutex;
108 struct ib_umem *umem;
109 struct ib_umem *resize_umem;
115 struct ib_umem *umem;
118 struct mlx4_ib_fast_reg_page_list {
119 struct ib_fast_reg_page_list ibfrpl;
120 __be64 *mapped_page_list;
126 struct mlx4_fmr mfmr;
141 enum mlx4_ib_qp_flags {
142 MLX4_IB_QP_LSO = IB_QP_CREATE_IPOIB_UD_LSO,
143 MLX4_IB_QP_BLOCK_MULTICAST_LOOPBACK = IB_QP_CREATE_BLOCK_MULTICAST_LOOPBACK,
144 MLX4_IB_SRIOV_TUNNEL_QP = 1 << 30,
145 MLX4_IB_SRIOV_SQP = 1 << 31,
148 struct mlx4_ib_gid_entry {
149 struct list_head list;
155 enum mlx4_ib_qp_type {
157 * IB_QPT_SMI and IB_QPT_GSI have to be the first two entries
158 * here (and in that order) since the MAD layer uses them as
159 * indices into a 2-entry table.
161 MLX4_IB_QPT_SMI = IB_QPT_SMI,
162 MLX4_IB_QPT_GSI = IB_QPT_GSI,
164 MLX4_IB_QPT_RC = IB_QPT_RC,
165 MLX4_IB_QPT_UC = IB_QPT_UC,
166 MLX4_IB_QPT_UD = IB_QPT_UD,
167 MLX4_IB_QPT_RAW_IPV6 = IB_QPT_RAW_IPV6,
168 MLX4_IB_QPT_RAW_ETHERTYPE = IB_QPT_RAW_ETHERTYPE,
169 MLX4_IB_QPT_RAW_PACKET = IB_QPT_RAW_PACKET,
170 MLX4_IB_QPT_XRC_INI = IB_QPT_XRC_INI,
171 MLX4_IB_QPT_XRC_TGT = IB_QPT_XRC_TGT,
173 MLX4_IB_QPT_PROXY_SMI_OWNER = 1 << 16,
174 MLX4_IB_QPT_PROXY_SMI = 1 << 17,
175 MLX4_IB_QPT_PROXY_GSI = 1 << 18,
176 MLX4_IB_QPT_TUN_SMI_OWNER = 1 << 19,
177 MLX4_IB_QPT_TUN_SMI = 1 << 20,
178 MLX4_IB_QPT_TUN_GSI = 1 << 21,
181 #define MLX4_IB_QPT_ANY_SRIOV (MLX4_IB_QPT_PROXY_SMI_OWNER | \
182 MLX4_IB_QPT_PROXY_SMI | MLX4_IB_QPT_PROXY_GSI | MLX4_IB_QPT_TUN_SMI_OWNER | \
183 MLX4_IB_QPT_TUN_SMI | MLX4_IB_QPT_TUN_GSI)
185 enum mlx4_ib_mad_ifc_flags {
186 MLX4_MAD_IFC_IGNORE_MKEY = 1,
187 MLX4_MAD_IFC_IGNORE_BKEY = 2,
188 MLX4_MAD_IFC_IGNORE_KEYS = (MLX4_MAD_IFC_IGNORE_MKEY |
189 MLX4_MAD_IFC_IGNORE_BKEY),
190 MLX4_MAD_IFC_NET_VIEW = 4,
194 MLX4_NUM_TUNNEL_BUFS = 256,
197 struct mlx4_ib_tunnel_header {
212 struct mlx4_rcv_tunnel_hdr {
213 __be32 flags_src_qp; /* flags[6:5] is defined for VLANs:
214 * 0x0 - no vlan was in the packet
215 * 0x01 - C-VLAN was in the packet */
216 u8 g_ml_path; /* gid bit stands for ipv6/4 header in RoCE */
220 __be16 slid_mac_47_32;
224 struct mlx4_ib_proxy_sqp_hdr {
226 struct mlx4_rcv_tunnel_hdr tun;
235 struct mlx4_ib_wq rq;
238 __be32 sq_signal_bits;
239 unsigned sq_next_wqe;
240 int sq_max_wqes_per_wr;
242 struct mlx4_ib_wq sq;
244 enum mlx4_ib_qp_type mlx4_ib_qp_type;
245 struct ib_umem *umem;
258 struct list_head gid_list;
259 struct list_head steering_rules;
260 struct mlx4_ib_buf *sqp_proxy_rcv;
266 struct mlx4_srq msrq;
274 struct ib_umem *umem;
281 union mlx4_ext_av av;
284 /****************************************/
285 /* alias guid support */
286 /****************************************/
287 #define NUM_PORT_ALIAS_GUID 2
288 #define NUM_ALIAS_GUID_IN_REC 8
289 #define NUM_ALIAS_GUID_REC_IN_PORT 16
290 #define GUID_REC_SIZE 8
291 #define NUM_ALIAS_GUID_PER_PORT 128
292 #define MLX4_NOT_SET_GUID (0x00LL)
293 #define MLX4_GUID_FOR_DELETE_VAL (~(0x00LL))
295 enum mlx4_guid_alias_rec_status {
296 MLX4_GUID_INFO_STATUS_IDLE,
297 MLX4_GUID_INFO_STATUS_SET,
298 MLX4_GUID_INFO_STATUS_PENDING,
301 enum mlx4_guid_alias_rec_ownership {
302 MLX4_GUID_DRIVER_ASSIGN,
303 MLX4_GUID_SYSADMIN_ASSIGN,
304 MLX4_GUID_NONE_ASSIGN, /*init state of each record*/
307 enum mlx4_guid_alias_rec_method {
308 MLX4_GUID_INFO_RECORD_SET = IB_MGMT_METHOD_SET,
309 MLX4_GUID_INFO_RECORD_DELETE = IB_SA_METHOD_DELETE,
312 struct mlx4_sriov_alias_guid_info_rec_det {
313 u8 all_recs[GUID_REC_SIZE * NUM_ALIAS_GUID_IN_REC];
314 ib_sa_comp_mask guid_indexes; /*indicates what from the 8 records are valid*/
315 enum mlx4_guid_alias_rec_status status; /*indicates the administraively status of the record.*/
316 u8 method; /*set or delete*/
317 enum mlx4_guid_alias_rec_ownership ownership; /*indicates who assign that alias_guid record*/
320 struct mlx4_sriov_alias_guid_port_rec_det {
321 struct mlx4_sriov_alias_guid_info_rec_det all_rec_per_port[NUM_ALIAS_GUID_REC_IN_PORT];
322 struct workqueue_struct *wq;
323 struct delayed_work alias_guid_work;
325 struct mlx4_sriov_alias_guid *parent;
326 struct list_head cb_list;
329 struct mlx4_sriov_alias_guid {
330 struct mlx4_sriov_alias_guid_port_rec_det ports_guid[MLX4_MAX_PORTS];
331 spinlock_t ag_work_lock;
332 struct ib_sa_client *sa_client;
335 struct mlx4_ib_demux_work {
336 struct work_struct work;
337 struct mlx4_ib_dev *dev;
344 struct mlx4_ib_tun_tx_buf {
345 struct mlx4_ib_buf buf;
349 struct mlx4_ib_demux_pv_qp {
351 enum ib_qp_type proxy_qpt;
352 struct mlx4_ib_buf *ring;
353 struct mlx4_ib_tun_tx_buf *tx_ring;
359 enum mlx4_ib_demux_pv_state {
361 DEMUX_PV_STATE_STARTING,
362 DEMUX_PV_STATE_ACTIVE,
363 DEMUX_PV_STATE_DOWNING,
366 struct mlx4_ib_demux_pv_ctx {
369 enum mlx4_ib_demux_pv_state state;
371 struct ib_device *ib_dev;
375 struct work_struct work;
376 struct workqueue_struct *wq;
377 struct mlx4_ib_demux_pv_qp qp[2];
380 struct mlx4_ib_demux_ctx {
381 struct ib_device *ib_dev;
383 struct workqueue_struct *wq;
384 struct workqueue_struct *ud_wq;
386 __be64 subnet_prefix;
387 __be64 guid_cache[128];
388 struct mlx4_ib_dev *dev;
389 /* the following lock protects both mcg_table and mcg_mgid0_list */
390 struct mutex mcg_table_lock;
391 struct rb_root mcg_table;
392 struct list_head mcg_mgid0_list;
393 struct workqueue_struct *mcg_wq;
394 struct mlx4_ib_demux_pv_ctx **tun;
396 int flushing; /* flushing the work queue */
399 struct mlx4_ib_sriov {
400 struct mlx4_ib_demux_ctx demux[MLX4_MAX_PORTS];
401 struct mlx4_ib_demux_pv_ctx *sqps[MLX4_MAX_PORTS];
402 /* when using this spinlock you should use "irq" because
403 * it may be called from interrupt context.*/
404 spinlock_t going_down_lock;
407 struct mlx4_sriov_alias_guid alias_guid;
409 /* CM paravirtualization fields */
410 struct list_head cm_list;
411 spinlock_t id_map_lock;
412 struct rb_root sl_id_map;
413 struct idr pv_id_table;
416 struct mlx4_ib_iboe {
418 struct net_device *netdevs[MLX4_MAX_PORTS];
419 struct notifier_block nb;
420 union ib_gid gid_table[MLX4_MAX_PORTS][128];
424 u8 virt2phys_pkey[MLX4_MFUNC_MAX][MLX4_MAX_PORTS][MLX4_MAX_PORT_PKEYS];
425 u16 phys_pkey_cache[MLX4_MAX_PORTS][MLX4_MAX_PORT_PKEYS];
426 struct list_head pkey_port_list[MLX4_MFUNC_MAX];
427 struct kobject *device_parent[MLX4_MFUNC_MAX];
430 struct mlx4_ib_iov_sysfs_attr {
432 struct kobject *kobj;
436 struct device_attribute dentry;
440 struct mlx4_ib_iov_sysfs_attr_ar {
441 struct mlx4_ib_iov_sysfs_attr dentries[3 * NUM_ALIAS_GUID_PER_PORT + 1];
444 struct mlx4_ib_iov_port {
447 struct mlx4_ib_dev *dev;
448 struct list_head list;
449 struct mlx4_ib_iov_sysfs_attr_ar *dentr_ar;
450 struct ib_port_attr attr;
451 struct kobject *cur_port;
452 struct kobject *admin_alias_parent;
453 struct kobject *gids_parent;
454 struct kobject *pkeys_parent;
455 struct kobject *mcgs_parent;
456 struct mlx4_ib_iov_sysfs_attr mcg_dentry;
460 struct ib_device ib_dev;
461 struct mlx4_dev *dev;
463 void __iomem *uar_map;
465 struct mlx4_uar priv_uar;
467 MLX4_DECLARE_DOORBELL_LOCK(uar_lock);
469 struct ib_mad_agent *send_agent[MLX4_MAX_PORTS][2];
470 struct ib_ah *sm_ah[MLX4_MAX_PORTS];
472 struct mlx4_ib_sriov sriov;
474 struct mutex cap_mask_mutex;
476 struct mlx4_ib_iboe iboe;
477 int counters[MLX4_MAX_PORTS];
480 struct kobject *iov_parent;
481 struct kobject *ports_parent;
482 struct kobject *dev_ports_parent[MLX4_MFUNC_MAX];
483 struct mlx4_ib_iov_port iov_ports[MLX4_MAX_PORTS];
484 struct pkey_mgt pkeys;
487 struct ib_event_work {
488 struct work_struct work;
489 struct mlx4_ib_dev *ib_dev;
490 struct mlx4_eqe ib_eqe;
493 struct mlx4_ib_qp_tunnel_init_attr {
494 struct ib_qp_init_attr init_attr;
496 enum ib_qp_type proxy_qp_type;
500 static inline struct mlx4_ib_dev *to_mdev(struct ib_device *ibdev)
502 return container_of(ibdev, struct mlx4_ib_dev, ib_dev);
505 static inline struct mlx4_ib_ucontext *to_mucontext(struct ib_ucontext *ibucontext)
507 return container_of(ibucontext, struct mlx4_ib_ucontext, ibucontext);
510 static inline struct mlx4_ib_pd *to_mpd(struct ib_pd *ibpd)
512 return container_of(ibpd, struct mlx4_ib_pd, ibpd);
515 static inline struct mlx4_ib_xrcd *to_mxrcd(struct ib_xrcd *ibxrcd)
517 return container_of(ibxrcd, struct mlx4_ib_xrcd, ibxrcd);
520 static inline struct mlx4_ib_cq *to_mcq(struct ib_cq *ibcq)
522 return container_of(ibcq, struct mlx4_ib_cq, ibcq);
525 static inline struct mlx4_ib_cq *to_mibcq(struct mlx4_cq *mcq)
527 return container_of(mcq, struct mlx4_ib_cq, mcq);
530 static inline struct mlx4_ib_mr *to_mmr(struct ib_mr *ibmr)
532 return container_of(ibmr, struct mlx4_ib_mr, ibmr);
535 static inline struct mlx4_ib_fast_reg_page_list *to_mfrpl(struct ib_fast_reg_page_list *ibfrpl)
537 return container_of(ibfrpl, struct mlx4_ib_fast_reg_page_list, ibfrpl);
540 static inline struct mlx4_ib_fmr *to_mfmr(struct ib_fmr *ibfmr)
542 return container_of(ibfmr, struct mlx4_ib_fmr, ibfmr);
544 static inline struct mlx4_ib_qp *to_mqp(struct ib_qp *ibqp)
546 return container_of(ibqp, struct mlx4_ib_qp, ibqp);
549 static inline struct mlx4_ib_qp *to_mibqp(struct mlx4_qp *mqp)
551 return container_of(mqp, struct mlx4_ib_qp, mqp);
554 static inline struct mlx4_ib_srq *to_msrq(struct ib_srq *ibsrq)
556 return container_of(ibsrq, struct mlx4_ib_srq, ibsrq);
559 static inline struct mlx4_ib_srq *to_mibsrq(struct mlx4_srq *msrq)
561 return container_of(msrq, struct mlx4_ib_srq, msrq);
564 static inline struct mlx4_ib_ah *to_mah(struct ib_ah *ibah)
566 return container_of(ibah, struct mlx4_ib_ah, ibah);
569 int mlx4_ib_init_sriov(struct mlx4_ib_dev *dev);
570 void mlx4_ib_close_sriov(struct mlx4_ib_dev *dev);
572 int mlx4_ib_db_map_user(struct mlx4_ib_ucontext *context, unsigned long virt,
574 void mlx4_ib_db_unmap_user(struct mlx4_ib_ucontext *context, struct mlx4_db *db);
576 struct ib_mr *mlx4_ib_get_dma_mr(struct ib_pd *pd, int acc);
577 int mlx4_ib_umem_write_mtt(struct mlx4_ib_dev *dev, struct mlx4_mtt *mtt,
578 struct ib_umem *umem);
579 struct ib_mr *mlx4_ib_reg_user_mr(struct ib_pd *pd, u64 start, u64 length,
580 u64 virt_addr, int access_flags,
581 struct ib_udata *udata);
582 int mlx4_ib_dereg_mr(struct ib_mr *mr);
583 struct ib_mr *mlx4_ib_alloc_fast_reg_mr(struct ib_pd *pd,
584 int max_page_list_len);
585 struct ib_fast_reg_page_list *mlx4_ib_alloc_fast_reg_page_list(struct ib_device *ibdev,
587 void mlx4_ib_free_fast_reg_page_list(struct ib_fast_reg_page_list *page_list);
589 int mlx4_ib_modify_cq(struct ib_cq *cq, u16 cq_count, u16 cq_period);
590 int mlx4_ib_resize_cq(struct ib_cq *ibcq, int entries, struct ib_udata *udata);
591 struct ib_cq *mlx4_ib_create_cq(struct ib_device *ibdev, int entries, int vector,
592 struct ib_ucontext *context,
593 struct ib_udata *udata);
594 int mlx4_ib_destroy_cq(struct ib_cq *cq);
595 int mlx4_ib_poll_cq(struct ib_cq *ibcq, int num_entries, struct ib_wc *wc);
596 int mlx4_ib_arm_cq(struct ib_cq *cq, enum ib_cq_notify_flags flags);
597 void __mlx4_ib_cq_clean(struct mlx4_ib_cq *cq, u32 qpn, struct mlx4_ib_srq *srq);
598 void mlx4_ib_cq_clean(struct mlx4_ib_cq *cq, u32 qpn, struct mlx4_ib_srq *srq);
600 struct ib_ah *mlx4_ib_create_ah(struct ib_pd *pd, struct ib_ah_attr *ah_attr);
601 int mlx4_ib_query_ah(struct ib_ah *ibah, struct ib_ah_attr *ah_attr);
602 int mlx4_ib_destroy_ah(struct ib_ah *ah);
604 struct ib_srq *mlx4_ib_create_srq(struct ib_pd *pd,
605 struct ib_srq_init_attr *init_attr,
606 struct ib_udata *udata);
607 int mlx4_ib_modify_srq(struct ib_srq *ibsrq, struct ib_srq_attr *attr,
608 enum ib_srq_attr_mask attr_mask, struct ib_udata *udata);
609 int mlx4_ib_query_srq(struct ib_srq *srq, struct ib_srq_attr *srq_attr);
610 int mlx4_ib_destroy_srq(struct ib_srq *srq);
611 void mlx4_ib_free_srq_wqe(struct mlx4_ib_srq *srq, int wqe_index);
612 int mlx4_ib_post_srq_recv(struct ib_srq *ibsrq, struct ib_recv_wr *wr,
613 struct ib_recv_wr **bad_wr);
615 struct ib_qp *mlx4_ib_create_qp(struct ib_pd *pd,
616 struct ib_qp_init_attr *init_attr,
617 struct ib_udata *udata);
618 int mlx4_ib_destroy_qp(struct ib_qp *qp);
619 int mlx4_ib_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr,
620 int attr_mask, struct ib_udata *udata);
621 int mlx4_ib_query_qp(struct ib_qp *ibqp, struct ib_qp_attr *qp_attr, int qp_attr_mask,
622 struct ib_qp_init_attr *qp_init_attr);
623 int mlx4_ib_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr,
624 struct ib_send_wr **bad_wr);
625 int mlx4_ib_post_recv(struct ib_qp *ibqp, struct ib_recv_wr *wr,
626 struct ib_recv_wr **bad_wr);
628 int mlx4_MAD_IFC(struct mlx4_ib_dev *dev, int mad_ifc_flags,
629 int port, struct ib_wc *in_wc, struct ib_grh *in_grh,
630 void *in_mad, void *response_mad);
631 int mlx4_ib_process_mad(struct ib_device *ibdev, int mad_flags, u8 port_num,
632 struct ib_wc *in_wc, struct ib_grh *in_grh,
633 struct ib_mad *in_mad, struct ib_mad *out_mad);
634 int mlx4_ib_mad_init(struct mlx4_ib_dev *dev);
635 void mlx4_ib_mad_cleanup(struct mlx4_ib_dev *dev);
637 struct ib_fmr *mlx4_ib_fmr_alloc(struct ib_pd *pd, int mr_access_flags,
638 struct ib_fmr_attr *fmr_attr);
639 int mlx4_ib_map_phys_fmr(struct ib_fmr *ibfmr, u64 *page_list, int npages,
641 int mlx4_ib_unmap_fmr(struct list_head *fmr_list);
642 int mlx4_ib_fmr_dealloc(struct ib_fmr *fmr);
643 int __mlx4_ib_query_port(struct ib_device *ibdev, u8 port,
644 struct ib_port_attr *props, int netw_view);
645 int __mlx4_ib_query_pkey(struct ib_device *ibdev, u8 port, u16 index,
646 u16 *pkey, int netw_view);
648 int __mlx4_ib_query_gid(struct ib_device *ibdev, u8 port, int index,
649 union ib_gid *gid, int netw_view);
651 int mlx4_ib_resolve_grh(struct mlx4_ib_dev *dev, const struct ib_ah_attr *ah_attr,
652 u8 *mac, int *is_mcast, u8 port);
654 static inline int mlx4_ib_ah_grh_present(struct mlx4_ib_ah *ah)
656 u8 port = be32_to_cpu(ah->av.ib.port_pd) >> 24 & 3;
658 if (rdma_port_get_link_layer(ah->ibah.device, port) == IB_LINK_LAYER_ETHERNET)
661 return !!(ah->av.ib.g_slid & 0x80);
664 int mlx4_ib_mcg_port_init(struct mlx4_ib_demux_ctx *ctx);
665 void mlx4_ib_mcg_port_cleanup(struct mlx4_ib_demux_ctx *ctx, int destroy_wq);
666 void clean_vf_mcast(struct mlx4_ib_demux_ctx *ctx, int slave);
667 int mlx4_ib_mcg_init(void);
668 void mlx4_ib_mcg_destroy(void);
670 int mlx4_ib_find_real_gid(struct ib_device *ibdev, u8 port, __be64 guid);
672 int mlx4_ib_mcg_multiplex_handler(struct ib_device *ibdev, int port, int slave,
673 struct ib_sa_mad *sa_mad);
674 int mlx4_ib_mcg_demux_handler(struct ib_device *ibdev, int port, int slave,
675 struct ib_sa_mad *mad);
677 int mlx4_ib_add_mc(struct mlx4_ib_dev *mdev, struct mlx4_ib_qp *mqp,
680 void mlx4_ib_dispatch_event(struct mlx4_ib_dev *dev, u8 port_num,
681 enum ib_event_type type);
683 void mlx4_ib_tunnels_update_work(struct work_struct *work);
685 int mlx4_ib_send_to_slave(struct mlx4_ib_dev *dev, int slave, u8 port,
686 enum ib_qp_type qpt, struct ib_wc *wc,
687 struct ib_grh *grh, struct ib_mad *mad);
688 int mlx4_ib_send_to_wire(struct mlx4_ib_dev *dev, int slave, u8 port,
689 enum ib_qp_type dest_qpt, u16 pkey_index, u32 remote_qpn,
690 u32 qkey, struct ib_ah_attr *attr, struct ib_mad *mad);
691 __be64 mlx4_ib_get_new_demux_tid(struct mlx4_ib_demux_ctx *ctx);
693 int mlx4_ib_demux_cm_handler(struct ib_device *ibdev, int port, int *slave,
696 int mlx4_ib_multiplex_cm_handler(struct ib_device *ibdev, int port, int slave_id,
699 void mlx4_ib_cm_paravirt_init(struct mlx4_ib_dev *dev);
700 void mlx4_ib_cm_paravirt_clean(struct mlx4_ib_dev *dev, int slave_id);
702 /* alias guid support */
703 void mlx4_ib_init_alias_guid_work(struct mlx4_ib_dev *dev, int port);
704 int mlx4_ib_init_alias_guid_service(struct mlx4_ib_dev *dev);
705 void mlx4_ib_destroy_alias_guid_service(struct mlx4_ib_dev *dev);
706 void mlx4_ib_invalidate_all_guid_record(struct mlx4_ib_dev *dev, int port);
708 void mlx4_ib_notify_slaves_on_guid_change(struct mlx4_ib_dev *dev,
710 u8 port_num, u8 *p_data);
712 void mlx4_ib_update_cache_on_guid_change(struct mlx4_ib_dev *dev,
713 int block_num, u8 port_num,
716 int add_sysfs_port_mcg_attr(struct mlx4_ib_dev *device, int port_num,
717 struct attribute *attr);
718 void del_sysfs_port_mcg_attr(struct mlx4_ib_dev *device, int port_num,
719 struct attribute *attr);
720 ib_sa_comp_mask mlx4_ib_get_aguid_comp_mask_from_ix(int index);
722 int mlx4_ib_device_register_sysfs(struct mlx4_ib_dev *device) ;
724 void mlx4_ib_device_unregister_sysfs(struct mlx4_ib_dev *device);
726 __be64 mlx4_ib_gen_node_guid(void);
729 #endif /* MLX4_IB_H */