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
73 struct mlx4_ib_ucontext {
74 struct ib_ucontext ibucontext;
76 struct list_head db_page_list;
77 struct mutex db_page_mutex;
86 struct ib_xrcd ibxrcd;
92 struct mlx4_ib_cq_buf {
98 struct mlx4_ib_cq_resize {
99 struct mlx4_ib_cq_buf buf;
106 struct mlx4_ib_cq_buf buf;
107 struct mlx4_ib_cq_resize *resize_buf;
110 struct mutex resize_mutex;
111 struct ib_umem *umem;
112 struct ib_umem *resize_umem;
118 struct ib_umem *umem;
126 struct mlx4_ib_fast_reg_page_list {
127 struct ib_fast_reg_page_list ibfrpl;
128 __be64 *mapped_page_list;
134 struct mlx4_fmr mfmr;
137 struct mlx4_ib_flow {
138 struct ib_flow ibflow;
139 /* translating DMFS verbs sniffer rule to FW API requires two reg IDs */
155 enum mlx4_ib_qp_flags {
156 MLX4_IB_QP_LSO = IB_QP_CREATE_IPOIB_UD_LSO,
157 MLX4_IB_QP_BLOCK_MULTICAST_LOOPBACK = IB_QP_CREATE_BLOCK_MULTICAST_LOOPBACK,
158 MLX4_IB_QP_NETIF = IB_QP_CREATE_NETIF_QP,
159 MLX4_IB_SRIOV_TUNNEL_QP = 1 << 30,
160 MLX4_IB_SRIOV_SQP = 1 << 31,
163 struct mlx4_ib_gid_entry {
164 struct list_head list;
170 enum mlx4_ib_qp_type {
172 * IB_QPT_SMI and IB_QPT_GSI have to be the first two entries
173 * here (and in that order) since the MAD layer uses them as
174 * indices into a 2-entry table.
176 MLX4_IB_QPT_SMI = IB_QPT_SMI,
177 MLX4_IB_QPT_GSI = IB_QPT_GSI,
179 MLX4_IB_QPT_RC = IB_QPT_RC,
180 MLX4_IB_QPT_UC = IB_QPT_UC,
181 MLX4_IB_QPT_UD = IB_QPT_UD,
182 MLX4_IB_QPT_RAW_IPV6 = IB_QPT_RAW_IPV6,
183 MLX4_IB_QPT_RAW_ETHERTYPE = IB_QPT_RAW_ETHERTYPE,
184 MLX4_IB_QPT_RAW_PACKET = IB_QPT_RAW_PACKET,
185 MLX4_IB_QPT_XRC_INI = IB_QPT_XRC_INI,
186 MLX4_IB_QPT_XRC_TGT = IB_QPT_XRC_TGT,
188 MLX4_IB_QPT_PROXY_SMI_OWNER = 1 << 16,
189 MLX4_IB_QPT_PROXY_SMI = 1 << 17,
190 MLX4_IB_QPT_PROXY_GSI = 1 << 18,
191 MLX4_IB_QPT_TUN_SMI_OWNER = 1 << 19,
192 MLX4_IB_QPT_TUN_SMI = 1 << 20,
193 MLX4_IB_QPT_TUN_GSI = 1 << 21,
196 #define MLX4_IB_QPT_ANY_SRIOV (MLX4_IB_QPT_PROXY_SMI_OWNER | \
197 MLX4_IB_QPT_PROXY_SMI | MLX4_IB_QPT_PROXY_GSI | MLX4_IB_QPT_TUN_SMI_OWNER | \
198 MLX4_IB_QPT_TUN_SMI | MLX4_IB_QPT_TUN_GSI)
200 enum mlx4_ib_mad_ifc_flags {
201 MLX4_MAD_IFC_IGNORE_MKEY = 1,
202 MLX4_MAD_IFC_IGNORE_BKEY = 2,
203 MLX4_MAD_IFC_IGNORE_KEYS = (MLX4_MAD_IFC_IGNORE_MKEY |
204 MLX4_MAD_IFC_IGNORE_BKEY),
205 MLX4_MAD_IFC_NET_VIEW = 4,
209 MLX4_NUM_TUNNEL_BUFS = 256,
212 struct mlx4_ib_tunnel_header {
227 struct mlx4_rcv_tunnel_hdr {
228 __be32 flags_src_qp; /* flags[6:5] is defined for VLANs:
229 * 0x0 - no vlan was in the packet
230 * 0x01 - C-VLAN was in the packet */
231 u8 g_ml_path; /* gid bit stands for ipv6/4 header in RoCE */
235 __be16 slid_mac_47_32;
239 struct mlx4_ib_proxy_sqp_hdr {
241 struct mlx4_rcv_tunnel_hdr tun;
250 struct mlx4_ib_wq rq;
253 __be32 sq_signal_bits;
254 unsigned sq_next_wqe;
255 int sq_max_wqes_per_wr;
257 struct mlx4_ib_wq sq;
259 enum mlx4_ib_qp_type mlx4_ib_qp_type;
260 struct ib_umem *umem;
273 struct list_head gid_list;
274 struct list_head steering_rules;
275 struct mlx4_ib_buf *sqp_proxy_rcv;
282 struct mlx4_srq msrq;
290 struct ib_umem *umem;
297 union mlx4_ext_av av;
300 /****************************************/
301 /* alias guid support */
302 /****************************************/
303 #define NUM_PORT_ALIAS_GUID 2
304 #define NUM_ALIAS_GUID_IN_REC 8
305 #define NUM_ALIAS_GUID_REC_IN_PORT 16
306 #define GUID_REC_SIZE 8
307 #define NUM_ALIAS_GUID_PER_PORT 128
308 #define MLX4_NOT_SET_GUID (0x00LL)
309 #define MLX4_GUID_FOR_DELETE_VAL (~(0x00LL))
311 enum mlx4_guid_alias_rec_status {
312 MLX4_GUID_INFO_STATUS_IDLE,
313 MLX4_GUID_INFO_STATUS_SET,
314 MLX4_GUID_INFO_STATUS_PENDING,
317 enum mlx4_guid_alias_rec_ownership {
318 MLX4_GUID_DRIVER_ASSIGN,
319 MLX4_GUID_SYSADMIN_ASSIGN,
320 MLX4_GUID_NONE_ASSIGN, /*init state of each record*/
323 enum mlx4_guid_alias_rec_method {
324 MLX4_GUID_INFO_RECORD_SET = IB_MGMT_METHOD_SET,
325 MLX4_GUID_INFO_RECORD_DELETE = IB_SA_METHOD_DELETE,
328 struct mlx4_sriov_alias_guid_info_rec_det {
329 u8 all_recs[GUID_REC_SIZE * NUM_ALIAS_GUID_IN_REC];
330 ib_sa_comp_mask guid_indexes; /*indicates what from the 8 records are valid*/
331 enum mlx4_guid_alias_rec_status status; /*indicates the administraively status of the record.*/
332 u8 method; /*set or delete*/
333 enum mlx4_guid_alias_rec_ownership ownership; /*indicates who assign that alias_guid record*/
336 struct mlx4_sriov_alias_guid_port_rec_det {
337 struct mlx4_sriov_alias_guid_info_rec_det all_rec_per_port[NUM_ALIAS_GUID_REC_IN_PORT];
338 struct workqueue_struct *wq;
339 struct delayed_work alias_guid_work;
341 struct mlx4_sriov_alias_guid *parent;
342 struct list_head cb_list;
345 struct mlx4_sriov_alias_guid {
346 struct mlx4_sriov_alias_guid_port_rec_det ports_guid[MLX4_MAX_PORTS];
347 spinlock_t ag_work_lock;
348 struct ib_sa_client *sa_client;
351 struct mlx4_ib_demux_work {
352 struct work_struct work;
353 struct mlx4_ib_dev *dev;
360 struct mlx4_ib_tun_tx_buf {
361 struct mlx4_ib_buf buf;
365 struct mlx4_ib_demux_pv_qp {
367 enum ib_qp_type proxy_qpt;
368 struct mlx4_ib_buf *ring;
369 struct mlx4_ib_tun_tx_buf *tx_ring;
375 enum mlx4_ib_demux_pv_state {
377 DEMUX_PV_STATE_STARTING,
378 DEMUX_PV_STATE_ACTIVE,
379 DEMUX_PV_STATE_DOWNING,
382 struct mlx4_ib_demux_pv_ctx {
385 enum mlx4_ib_demux_pv_state state;
387 struct ib_device *ib_dev;
391 struct work_struct work;
392 struct workqueue_struct *wq;
393 struct mlx4_ib_demux_pv_qp qp[2];
396 struct mlx4_ib_demux_ctx {
397 struct ib_device *ib_dev;
399 struct workqueue_struct *wq;
400 struct workqueue_struct *ud_wq;
402 __be64 subnet_prefix;
403 __be64 guid_cache[128];
404 struct mlx4_ib_dev *dev;
405 /* the following lock protects both mcg_table and mcg_mgid0_list */
406 struct mutex mcg_table_lock;
407 struct rb_root mcg_table;
408 struct list_head mcg_mgid0_list;
409 struct workqueue_struct *mcg_wq;
410 struct mlx4_ib_demux_pv_ctx **tun;
412 int flushing; /* flushing the work queue */
415 struct mlx4_ib_sriov {
416 struct mlx4_ib_demux_ctx demux[MLX4_MAX_PORTS];
417 struct mlx4_ib_demux_pv_ctx *sqps[MLX4_MAX_PORTS];
418 /* when using this spinlock you should use "irq" because
419 * it may be called from interrupt context.*/
420 spinlock_t going_down_lock;
423 struct mlx4_sriov_alias_guid alias_guid;
425 /* CM paravirtualization fields */
426 struct list_head cm_list;
427 spinlock_t id_map_lock;
428 struct rb_root sl_id_map;
429 struct idr pv_id_table;
432 struct mlx4_ib_iboe {
434 struct net_device *netdevs[MLX4_MAX_PORTS];
435 struct notifier_block nb;
436 union ib_gid gid_table[MLX4_MAX_PORTS][128];
440 u8 virt2phys_pkey[MLX4_MFUNC_MAX][MLX4_MAX_PORTS][MLX4_MAX_PORT_PKEYS];
441 u16 phys_pkey_cache[MLX4_MAX_PORTS][MLX4_MAX_PORT_PKEYS];
442 struct list_head pkey_port_list[MLX4_MFUNC_MAX];
443 struct kobject *device_parent[MLX4_MFUNC_MAX];
446 struct mlx4_ib_iov_sysfs_attr {
448 struct kobject *kobj;
452 struct device_attribute dentry;
456 struct mlx4_ib_iov_sysfs_attr_ar {
457 struct mlx4_ib_iov_sysfs_attr dentries[3 * NUM_ALIAS_GUID_PER_PORT + 1];
460 struct mlx4_ib_iov_port {
463 struct mlx4_ib_dev *dev;
464 struct list_head list;
465 struct mlx4_ib_iov_sysfs_attr_ar *dentr_ar;
466 struct ib_port_attr attr;
467 struct kobject *cur_port;
468 struct kobject *admin_alias_parent;
469 struct kobject *gids_parent;
470 struct kobject *pkeys_parent;
471 struct kobject *mcgs_parent;
472 struct mlx4_ib_iov_sysfs_attr mcg_dentry;
476 struct ib_device ib_dev;
477 struct mlx4_dev *dev;
479 void __iomem *uar_map;
481 struct mlx4_uar priv_uar;
483 MLX4_DECLARE_DOORBELL_LOCK(uar_lock);
485 struct ib_mad_agent *send_agent[MLX4_MAX_PORTS][2];
486 struct ib_ah *sm_ah[MLX4_MAX_PORTS];
488 struct mlx4_ib_sriov sriov;
490 struct mutex cap_mask_mutex;
492 struct mlx4_ib_iboe iboe;
493 int counters[MLX4_MAX_PORTS];
496 struct kobject *iov_parent;
497 struct kobject *ports_parent;
498 struct kobject *dev_ports_parent[MLX4_MFUNC_MAX];
499 struct mlx4_ib_iov_port iov_ports[MLX4_MAX_PORTS];
500 struct pkey_mgt pkeys;
501 unsigned long *ib_uc_qpns_bitmap;
504 int steering_support;
507 struct ib_event_work {
508 struct work_struct work;
509 struct mlx4_ib_dev *ib_dev;
510 struct mlx4_eqe ib_eqe;
513 struct mlx4_ib_qp_tunnel_init_attr {
514 struct ib_qp_init_attr init_attr;
516 enum ib_qp_type proxy_qp_type;
520 static inline struct mlx4_ib_dev *to_mdev(struct ib_device *ibdev)
522 return container_of(ibdev, struct mlx4_ib_dev, ib_dev);
525 static inline struct mlx4_ib_ucontext *to_mucontext(struct ib_ucontext *ibucontext)
527 return container_of(ibucontext, struct mlx4_ib_ucontext, ibucontext);
530 static inline struct mlx4_ib_pd *to_mpd(struct ib_pd *ibpd)
532 return container_of(ibpd, struct mlx4_ib_pd, ibpd);
535 static inline struct mlx4_ib_xrcd *to_mxrcd(struct ib_xrcd *ibxrcd)
537 return container_of(ibxrcd, struct mlx4_ib_xrcd, ibxrcd);
540 static inline struct mlx4_ib_cq *to_mcq(struct ib_cq *ibcq)
542 return container_of(ibcq, struct mlx4_ib_cq, ibcq);
545 static inline struct mlx4_ib_cq *to_mibcq(struct mlx4_cq *mcq)
547 return container_of(mcq, struct mlx4_ib_cq, mcq);
550 static inline struct mlx4_ib_mr *to_mmr(struct ib_mr *ibmr)
552 return container_of(ibmr, struct mlx4_ib_mr, ibmr);
555 static inline struct mlx4_ib_mw *to_mmw(struct ib_mw *ibmw)
557 return container_of(ibmw, struct mlx4_ib_mw, ibmw);
560 static inline struct mlx4_ib_fast_reg_page_list *to_mfrpl(struct ib_fast_reg_page_list *ibfrpl)
562 return container_of(ibfrpl, struct mlx4_ib_fast_reg_page_list, ibfrpl);
565 static inline struct mlx4_ib_fmr *to_mfmr(struct ib_fmr *ibfmr)
567 return container_of(ibfmr, struct mlx4_ib_fmr, ibfmr);
570 static inline struct mlx4_ib_flow *to_mflow(struct ib_flow *ibflow)
572 return container_of(ibflow, struct mlx4_ib_flow, ibflow);
575 static inline struct mlx4_ib_qp *to_mqp(struct ib_qp *ibqp)
577 return container_of(ibqp, struct mlx4_ib_qp, ibqp);
580 static inline struct mlx4_ib_qp *to_mibqp(struct mlx4_qp *mqp)
582 return container_of(mqp, struct mlx4_ib_qp, mqp);
585 static inline struct mlx4_ib_srq *to_msrq(struct ib_srq *ibsrq)
587 return container_of(ibsrq, struct mlx4_ib_srq, ibsrq);
590 static inline struct mlx4_ib_srq *to_mibsrq(struct mlx4_srq *msrq)
592 return container_of(msrq, struct mlx4_ib_srq, msrq);
595 static inline struct mlx4_ib_ah *to_mah(struct ib_ah *ibah)
597 return container_of(ibah, struct mlx4_ib_ah, ibah);
600 int mlx4_ib_init_sriov(struct mlx4_ib_dev *dev);
601 void mlx4_ib_close_sriov(struct mlx4_ib_dev *dev);
603 int mlx4_ib_db_map_user(struct mlx4_ib_ucontext *context, unsigned long virt,
605 void mlx4_ib_db_unmap_user(struct mlx4_ib_ucontext *context, struct mlx4_db *db);
607 struct ib_mr *mlx4_ib_get_dma_mr(struct ib_pd *pd, int acc);
608 int mlx4_ib_umem_write_mtt(struct mlx4_ib_dev *dev, struct mlx4_mtt *mtt,
609 struct ib_umem *umem);
610 struct ib_mr *mlx4_ib_reg_user_mr(struct ib_pd *pd, u64 start, u64 length,
611 u64 virt_addr, int access_flags,
612 struct ib_udata *udata);
613 int mlx4_ib_dereg_mr(struct ib_mr *mr);
614 struct ib_mw *mlx4_ib_alloc_mw(struct ib_pd *pd, enum ib_mw_type type);
615 int mlx4_ib_bind_mw(struct ib_qp *qp, struct ib_mw *mw,
616 struct ib_mw_bind *mw_bind);
617 int mlx4_ib_dealloc_mw(struct ib_mw *mw);
618 struct ib_mr *mlx4_ib_alloc_fast_reg_mr(struct ib_pd *pd,
619 int max_page_list_len);
620 struct ib_fast_reg_page_list *mlx4_ib_alloc_fast_reg_page_list(struct ib_device *ibdev,
622 void mlx4_ib_free_fast_reg_page_list(struct ib_fast_reg_page_list *page_list);
624 int mlx4_ib_modify_cq(struct ib_cq *cq, u16 cq_count, u16 cq_period);
625 int mlx4_ib_resize_cq(struct ib_cq *ibcq, int entries, struct ib_udata *udata);
626 struct ib_cq *mlx4_ib_create_cq(struct ib_device *ibdev, int entries, int vector,
627 struct ib_ucontext *context,
628 struct ib_udata *udata);
629 int mlx4_ib_destroy_cq(struct ib_cq *cq);
630 int mlx4_ib_poll_cq(struct ib_cq *ibcq, int num_entries, struct ib_wc *wc);
631 int mlx4_ib_arm_cq(struct ib_cq *cq, enum ib_cq_notify_flags flags);
632 void __mlx4_ib_cq_clean(struct mlx4_ib_cq *cq, u32 qpn, struct mlx4_ib_srq *srq);
633 void mlx4_ib_cq_clean(struct mlx4_ib_cq *cq, u32 qpn, struct mlx4_ib_srq *srq);
635 struct ib_ah *mlx4_ib_create_ah(struct ib_pd *pd, struct ib_ah_attr *ah_attr);
636 int mlx4_ib_query_ah(struct ib_ah *ibah, struct ib_ah_attr *ah_attr);
637 int mlx4_ib_destroy_ah(struct ib_ah *ah);
639 struct ib_srq *mlx4_ib_create_srq(struct ib_pd *pd,
640 struct ib_srq_init_attr *init_attr,
641 struct ib_udata *udata);
642 int mlx4_ib_modify_srq(struct ib_srq *ibsrq, struct ib_srq_attr *attr,
643 enum ib_srq_attr_mask attr_mask, struct ib_udata *udata);
644 int mlx4_ib_query_srq(struct ib_srq *srq, struct ib_srq_attr *srq_attr);
645 int mlx4_ib_destroy_srq(struct ib_srq *srq);
646 void mlx4_ib_free_srq_wqe(struct mlx4_ib_srq *srq, int wqe_index);
647 int mlx4_ib_post_srq_recv(struct ib_srq *ibsrq, struct ib_recv_wr *wr,
648 struct ib_recv_wr **bad_wr);
650 struct ib_qp *mlx4_ib_create_qp(struct ib_pd *pd,
651 struct ib_qp_init_attr *init_attr,
652 struct ib_udata *udata);
653 int mlx4_ib_destroy_qp(struct ib_qp *qp);
654 int mlx4_ib_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr,
655 int attr_mask, struct ib_udata *udata);
656 int mlx4_ib_query_qp(struct ib_qp *ibqp, struct ib_qp_attr *qp_attr, int qp_attr_mask,
657 struct ib_qp_init_attr *qp_init_attr);
658 int mlx4_ib_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr,
659 struct ib_send_wr **bad_wr);
660 int mlx4_ib_post_recv(struct ib_qp *ibqp, struct ib_recv_wr *wr,
661 struct ib_recv_wr **bad_wr);
663 int mlx4_MAD_IFC(struct mlx4_ib_dev *dev, int mad_ifc_flags,
664 int port, struct ib_wc *in_wc, struct ib_grh *in_grh,
665 void *in_mad, void *response_mad);
666 int mlx4_ib_process_mad(struct ib_device *ibdev, int mad_flags, u8 port_num,
667 struct ib_wc *in_wc, struct ib_grh *in_grh,
668 struct ib_mad *in_mad, struct ib_mad *out_mad);
669 int mlx4_ib_mad_init(struct mlx4_ib_dev *dev);
670 void mlx4_ib_mad_cleanup(struct mlx4_ib_dev *dev);
672 struct ib_fmr *mlx4_ib_fmr_alloc(struct ib_pd *pd, int mr_access_flags,
673 struct ib_fmr_attr *fmr_attr);
674 int mlx4_ib_map_phys_fmr(struct ib_fmr *ibfmr, u64 *page_list, int npages,
676 int mlx4_ib_unmap_fmr(struct list_head *fmr_list);
677 int mlx4_ib_fmr_dealloc(struct ib_fmr *fmr);
678 int __mlx4_ib_query_port(struct ib_device *ibdev, u8 port,
679 struct ib_port_attr *props, int netw_view);
680 int __mlx4_ib_query_pkey(struct ib_device *ibdev, u8 port, u16 index,
681 u16 *pkey, int netw_view);
683 int __mlx4_ib_query_gid(struct ib_device *ibdev, u8 port, int index,
684 union ib_gid *gid, int netw_view);
686 int mlx4_ib_resolve_grh(struct mlx4_ib_dev *dev, const struct ib_ah_attr *ah_attr,
687 u8 *mac, int *is_mcast, u8 port);
689 static inline bool mlx4_ib_ah_grh_present(struct mlx4_ib_ah *ah)
691 u8 port = be32_to_cpu(ah->av.ib.port_pd) >> 24 & 3;
693 if (rdma_port_get_link_layer(ah->ibah.device, port) == IB_LINK_LAYER_ETHERNET)
696 return !!(ah->av.ib.g_slid & 0x80);
699 int mlx4_ib_mcg_port_init(struct mlx4_ib_demux_ctx *ctx);
700 void mlx4_ib_mcg_port_cleanup(struct mlx4_ib_demux_ctx *ctx, int destroy_wq);
701 void clean_vf_mcast(struct mlx4_ib_demux_ctx *ctx, int slave);
702 int mlx4_ib_mcg_init(void);
703 void mlx4_ib_mcg_destroy(void);
705 int mlx4_ib_find_real_gid(struct ib_device *ibdev, u8 port, __be64 guid);
707 int mlx4_ib_mcg_multiplex_handler(struct ib_device *ibdev, int port, int slave,
708 struct ib_sa_mad *sa_mad);
709 int mlx4_ib_mcg_demux_handler(struct ib_device *ibdev, int port, int slave,
710 struct ib_sa_mad *mad);
712 int mlx4_ib_add_mc(struct mlx4_ib_dev *mdev, struct mlx4_ib_qp *mqp,
715 void mlx4_ib_dispatch_event(struct mlx4_ib_dev *dev, u8 port_num,
716 enum ib_event_type type);
718 void mlx4_ib_tunnels_update_work(struct work_struct *work);
720 int mlx4_ib_send_to_slave(struct mlx4_ib_dev *dev, int slave, u8 port,
721 enum ib_qp_type qpt, struct ib_wc *wc,
722 struct ib_grh *grh, struct ib_mad *mad);
723 int mlx4_ib_send_to_wire(struct mlx4_ib_dev *dev, int slave, u8 port,
724 enum ib_qp_type dest_qpt, u16 pkey_index, u32 remote_qpn,
725 u32 qkey, struct ib_ah_attr *attr, struct ib_mad *mad);
726 __be64 mlx4_ib_get_new_demux_tid(struct mlx4_ib_demux_ctx *ctx);
728 int mlx4_ib_demux_cm_handler(struct ib_device *ibdev, int port, int *slave,
731 int mlx4_ib_multiplex_cm_handler(struct ib_device *ibdev, int port, int slave_id,
734 void mlx4_ib_cm_paravirt_init(struct mlx4_ib_dev *dev);
735 void mlx4_ib_cm_paravirt_clean(struct mlx4_ib_dev *dev, int slave_id);
737 /* alias guid support */
738 void mlx4_ib_init_alias_guid_work(struct mlx4_ib_dev *dev, int port);
739 int mlx4_ib_init_alias_guid_service(struct mlx4_ib_dev *dev);
740 void mlx4_ib_destroy_alias_guid_service(struct mlx4_ib_dev *dev);
741 void mlx4_ib_invalidate_all_guid_record(struct mlx4_ib_dev *dev, int port);
743 void mlx4_ib_notify_slaves_on_guid_change(struct mlx4_ib_dev *dev,
745 u8 port_num, u8 *p_data);
747 void mlx4_ib_update_cache_on_guid_change(struct mlx4_ib_dev *dev,
748 int block_num, u8 port_num,
751 int add_sysfs_port_mcg_attr(struct mlx4_ib_dev *device, int port_num,
752 struct attribute *attr);
753 void del_sysfs_port_mcg_attr(struct mlx4_ib_dev *device, int port_num,
754 struct attribute *attr);
755 ib_sa_comp_mask mlx4_ib_get_aguid_comp_mask_from_ix(int index);
757 int mlx4_ib_device_register_sysfs(struct mlx4_ib_dev *device) ;
759 void mlx4_ib_device_unregister_sysfs(struct mlx4_ib_dev *device);
761 __be64 mlx4_ib_gen_node_guid(void);
763 int mlx4_ib_steer_qp_alloc(struct mlx4_ib_dev *dev, int count, int *qpn);
764 void mlx4_ib_steer_qp_free(struct mlx4_ib_dev *dev, u32 qpn, int count);
765 int mlx4_ib_steer_qp_reg(struct mlx4_ib_dev *mdev, struct mlx4_ib_qp *mqp,
768 #endif /* MLX4_IB_H */