2 * Copyright (c) 2013-2015, Mellanox Technologies. All rights reserved.
4 * This software is available to you under a choice of one of two
5 * licenses. You may choose to be licensed under the terms of the GNU
6 * General Public License (GPL) Version 2, available from the file
7 * COPYING in the main directory of this source tree, or the
8 * OpenIB.org BSD license below:
10 * Redistribution and use in source and binary forms, with or
11 * without modification, are permitted provided that the following
14 * - Redistributions of source code must retain the above
15 * copyright notice, this list of conditions and the following
18 * - Redistributions in binary form must reproduce the above
19 * copyright notice, this list of conditions and the following
20 * disclaimer in the documentation and/or other materials
21 * provided with the distribution.
23 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
24 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
25 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
26 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
27 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
28 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
29 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
36 #include <linux/kernel.h>
37 #include <linux/completion.h>
38 #include <linux/pci.h>
39 #include <linux/spinlock_types.h>
40 #include <linux/semaphore.h>
41 #include <linux/slab.h>
42 #include <linux/vmalloc.h>
43 #include <linux/radix-tree.h>
45 #include <linux/mlx5/device.h>
46 #include <linux/mlx5/doorbell.h>
49 MLX5_BOARD_ID_LEN = 64,
50 MLX5_MAX_NAME_LEN = 16,
54 /* one minute for the sake of bringup. Generally, commands must always
55 * complete and we may need to increase this timeout value
57 MLX5_CMD_TIMEOUT_MSEC = 7200 * 1000,
58 MLX5_CMD_WQ_MAX_NAME = 32,
64 CMD_STATUS_SUCCESS = 0,
70 MLX5_SQP_IEEE_1588 = 2,
72 MLX5_SQP_SYNC_UMR = 4,
80 MLX5_EQ_VEC_PAGES = 0,
82 MLX5_EQ_VEC_ASYNC = 2,
83 MLX5_EQ_VEC_COMP_BASE,
87 MLX5_MAX_IRQ_NAME = 32
91 MLX5_ATOMIC_MODE_IB_COMP = 1 << 16,
92 MLX5_ATOMIC_MODE_CX = 2 << 16,
93 MLX5_ATOMIC_MODE_8B = 3 << 16,
94 MLX5_ATOMIC_MODE_16B = 4 << 16,
95 MLX5_ATOMIC_MODE_32B = 5 << 16,
96 MLX5_ATOMIC_MODE_64B = 6 << 16,
97 MLX5_ATOMIC_MODE_128B = 7 << 16,
98 MLX5_ATOMIC_MODE_256B = 8 << 16,
102 MLX5_REG_PCAP = 0x5001,
103 MLX5_REG_PMTU = 0x5003,
104 MLX5_REG_PTYS = 0x5004,
105 MLX5_REG_PAOS = 0x5006,
106 MLX5_REG_PPCNT = 0x5008,
107 MLX5_REG_PMAOS = 0x5012,
108 MLX5_REG_PUDE = 0x5009,
109 MLX5_REG_PMPE = 0x5010,
110 MLX5_REG_PELC = 0x500e,
111 MLX5_REG_PVLC = 0x500f,
112 MLX5_REG_PMLP = 0, /* TBD */
113 MLX5_REG_NODE_DESC = 0x6001,
114 MLX5_REG_HOST_ENDIANNESS = 0x7004,
117 enum mlx5_page_fault_resume_flags {
118 MLX5_PAGE_FAULT_RESUME_REQUESTOR = 1 << 0,
119 MLX5_PAGE_FAULT_RESUME_WRITE = 1 << 1,
120 MLX5_PAGE_FAULT_RESUME_RDMA = 1 << 2,
121 MLX5_PAGE_FAULT_RESUME_ERROR = 1 << 7,
130 struct mlx5_field_desc {
135 struct mlx5_rsc_debug {
136 struct mlx5_core_dev *dev;
138 enum dbg_rsc_type type;
140 struct mlx5_field_desc fields[0];
143 enum mlx5_dev_event {
144 MLX5_DEV_EVENT_SYS_ERROR,
145 MLX5_DEV_EVENT_PORT_UP,
146 MLX5_DEV_EVENT_PORT_DOWN,
147 MLX5_DEV_EVENT_PORT_INITIALIZED,
148 MLX5_DEV_EVENT_LID_CHANGE,
149 MLX5_DEV_EVENT_PKEY_CHANGE,
150 MLX5_DEV_EVENT_GUID_CHANGE,
151 MLX5_DEV_EVENT_CLIENT_REREG,
154 enum mlx5_port_status {
155 MLX5_PORT_UP = 1 << 1,
156 MLX5_PORT_DOWN = 1 << 2,
159 struct mlx5_uuar_info {
160 struct mlx5_uar *uars;
162 int num_low_latency_uuars;
163 unsigned long *bitmap;
168 * protect uuar allocation data structs
176 void __iomem *regreg;
178 struct mlx5_uar *uar;
179 unsigned long offset;
181 /* protect blue flame buffer selection when needed
185 /* serialize 64 bit writes when done as two 32 bit accesses
191 struct mlx5_cmd_first {
195 struct mlx5_cmd_msg {
196 struct list_head list;
197 struct cache_ent *cache;
199 struct mlx5_cmd_first first;
200 struct mlx5_cmd_mailbox *next;
203 struct mlx5_cmd_debug {
204 struct dentry *dbg_root;
205 struct dentry *dbg_in;
206 struct dentry *dbg_out;
207 struct dentry *dbg_outlen;
208 struct dentry *dbg_status;
209 struct dentry *dbg_run;
218 /* protect block chain allocations
221 struct list_head head;
224 struct cmd_msg_cache {
225 struct cache_ent large;
226 struct cache_ent med;
230 struct mlx5_cmd_stats {
235 struct dentry *count;
236 /* protect command average calculations */
242 dma_addr_t alloc_dma;
253 /* protect command queue allocations
255 spinlock_t alloc_lock;
257 /* protect token allocations
259 spinlock_t token_lock;
261 unsigned long bitmask;
262 char wq_name[MLX5_CMD_WQ_MAX_NAME];
263 struct workqueue_struct *wq;
264 struct semaphore sem;
265 struct semaphore pages_sem;
267 struct mlx5_cmd_work_ent *ent_arr[MLX5_MAX_COMMANDS];
268 struct pci_pool *pool;
269 struct mlx5_cmd_debug dbg;
270 struct cmd_msg_cache cache;
271 int checksum_disabled;
272 struct mlx5_cmd_stats stats[MLX5_CMD_OP_MAX];
275 struct mlx5_port_caps {
281 struct mlx5_cmd_mailbox {
284 struct mlx5_cmd_mailbox *next;
287 struct mlx5_buf_list {
293 struct mlx5_buf_list direct;
300 struct mlx5_core_dev *dev;
301 __be32 __iomem *doorbell;
309 struct list_head list;
311 struct mlx5_rsc_debug *dbg;
314 struct mlx5_core_psv {
326 struct mlx5_core_sig_ctx {
327 struct mlx5_core_psv psv_memory;
328 struct mlx5_core_psv psv_wire;
329 struct ib_sig_err err_item;
330 bool sig_status_checked;
335 struct mlx5_core_mr {
348 struct mlx5_core_rsc_common {
349 enum mlx5_res_type res;
351 struct completion free;
354 struct mlx5_core_srq {
355 struct mlx5_core_rsc_common common; /* must be first */
359 int max_avail_gather;
361 void (*event) (struct mlx5_core_srq *, enum mlx5_event);
364 struct completion free;
367 struct mlx5_eq_table {
368 void __iomem *update_ci;
369 void __iomem *update_arm_ci;
370 struct list_head comp_eqs_list;
371 struct mlx5_eq pages_eq;
372 struct mlx5_eq async_eq;
373 struct mlx5_eq cmd_eq;
374 int num_comp_vectors;
382 struct list_head bf_list;
383 unsigned free_bf_bmap;
384 void __iomem *bf_map;
389 struct mlx5_core_health {
390 struct health_buffer __iomem *health;
391 __be32 __iomem *health_counter;
392 struct timer_list timer;
393 struct list_head list;
398 struct mlx5_cq_table {
399 /* protect radix tree
402 struct radix_tree_root tree;
405 struct mlx5_qp_table {
406 /* protect radix tree
409 struct radix_tree_root tree;
412 struct mlx5_srq_table {
413 /* protect radix tree
416 struct radix_tree_root tree;
419 struct mlx5_mr_table {
420 /* protect radix tree
423 struct radix_tree_root tree;
426 struct mlx5_irq_info {
428 char name[MLX5_MAX_IRQ_NAME];
432 char name[MLX5_MAX_NAME_LEN];
433 struct mlx5_eq_table eq_table;
434 struct msix_entry *msix_arr;
435 struct mlx5_irq_info *irq_info;
436 struct mlx5_uuar_info uuari;
437 MLX5_DECLARE_DOORBELL_LOCK(cq_uar_lock);
439 struct io_mapping *bf_mapping;
442 struct workqueue_struct *pg_wq;
443 struct rb_root page_root;
446 struct list_head free_list;
448 struct mlx5_core_health health;
450 struct mlx5_srq_table srq_table;
452 /* start: qp staff */
453 struct mlx5_qp_table qp_table;
454 struct dentry *qp_debugfs;
455 struct dentry *eq_debugfs;
456 struct dentry *cq_debugfs;
457 struct dentry *cmdif_debugfs;
460 /* start: cq staff */
461 struct mlx5_cq_table cq_table;
464 /* start: mr staff */
465 struct mlx5_mr_table mr_table;
468 /* start: alloc staff */
469 /* protect buffer alocation according to numa node */
470 struct mutex alloc_mutex;
473 struct mutex pgdir_mutex;
474 struct list_head pgdir_list;
475 /* end: alloc staff */
476 struct dentry *dbg_root;
478 /* protect mkey key part */
479 spinlock_t mkey_lock;
482 struct list_head dev_list;
483 struct list_head ctx_list;
487 struct mlx5_core_dev {
488 struct pci_dev *pdev;
490 char board_id[MLX5_BOARD_ID_LEN];
492 struct mlx5_port_caps port_caps[MLX5_MAX_PORTS];
493 u32 hca_caps_cur[MLX5_CAP_NUM][MLX5_UN_SZ_DW(hca_cap_union)];
494 u32 hca_caps_max[MLX5_CAP_NUM][MLX5_UN_SZ_DW(hca_cap_union)];
495 phys_addr_t iseg_base;
496 struct mlx5_init_seg __iomem *iseg;
497 void (*event) (struct mlx5_core_dev *dev,
498 enum mlx5_dev_event event,
499 unsigned long param);
500 struct mlx5_priv priv;
501 struct mlx5_profile *profile;
509 struct mlx5_db_pgdir *pgdir;
510 struct mlx5_ib_user_db_page *user_page;
517 MLX5_DB_PER_PAGE = PAGE_SIZE / L1_CACHE_BYTES,
521 MLX5_COMP_EQ_SIZE = 1024,
525 MLX5_PTYS_IB = 1 << 0,
526 MLX5_PTYS_EN = 1 << 2,
529 struct mlx5_db_pgdir {
530 struct list_head list;
531 DECLARE_BITMAP(bitmap, MLX5_DB_PER_PAGE);
536 typedef void (*mlx5_cmd_cbk_t)(int status, void *context);
538 struct mlx5_cmd_work_ent {
539 struct mlx5_cmd_msg *in;
540 struct mlx5_cmd_msg *out;
543 mlx5_cmd_cbk_t callback;
546 struct completion done;
547 struct mlx5_cmd *cmd;
548 struct work_struct work;
549 struct mlx5_cmd_layout *lay;
564 enum port_state_policy {
568 enum phy_port_state {
572 struct mlx5_hca_vport_context {
577 enum port_state_policy policy;
578 enum phy_port_state phys_state;
579 enum ib_port_state vport_state;
580 u8 port_physical_state;
589 u8 init_type_reply; /* bitmask: see ib spec 14.2.5.6 InitTypeReply */
594 u16 qkey_violation_counter;
595 u16 pkey_violation_counter;
599 static inline void *mlx5_buf_offset(struct mlx5_buf *buf, int offset)
601 return buf->direct.buf + offset;
604 extern struct workqueue_struct *mlx5_core_wq;
606 #define STRUCT_FIELD(header, field) \
607 .struct_offset_bytes = offsetof(struct ib_unpacked_ ## header, field), \
608 .struct_size_bytes = sizeof((struct ib_unpacked_ ## header *)0)->field
611 size_t struct_offset_bytes;
612 size_t struct_size_bytes;
617 static inline struct mlx5_core_dev *pci2mlx5_core_dev(struct pci_dev *pdev)
619 return pci_get_drvdata(pdev);
622 extern struct dentry *mlx5_debugfs_root;
624 static inline u16 fw_rev_maj(struct mlx5_core_dev *dev)
626 return ioread32be(&dev->iseg->fw_rev) & 0xffff;
629 static inline u16 fw_rev_min(struct mlx5_core_dev *dev)
631 return ioread32be(&dev->iseg->fw_rev) >> 16;
634 static inline u16 fw_rev_sub(struct mlx5_core_dev *dev)
636 return ioread32be(&dev->iseg->cmdif_rev_fw_sub) & 0xffff;
639 static inline u16 cmdif_rev(struct mlx5_core_dev *dev)
641 return ioread32be(&dev->iseg->cmdif_rev_fw_sub) >> 16;
644 static inline void *mlx5_vzalloc(unsigned long size)
648 rtn = kzalloc(size, GFP_KERNEL | __GFP_NOWARN);
654 static inline u32 mlx5_base_mkey(const u32 key)
656 return key & 0xffffff00u;
659 int mlx5_cmd_init(struct mlx5_core_dev *dev);
660 void mlx5_cmd_cleanup(struct mlx5_core_dev *dev);
661 void mlx5_cmd_use_events(struct mlx5_core_dev *dev);
662 void mlx5_cmd_use_polling(struct mlx5_core_dev *dev);
663 int mlx5_cmd_status_to_err(struct mlx5_outbox_hdr *hdr);
664 int mlx5_cmd_status_to_err_v2(void *ptr);
665 int mlx5_core_get_caps(struct mlx5_core_dev *dev, enum mlx5_cap_type cap_type,
666 enum mlx5_cap_mode cap_mode);
667 int mlx5_cmd_exec(struct mlx5_core_dev *dev, void *in, int in_size, void *out,
669 int mlx5_cmd_exec_cb(struct mlx5_core_dev *dev, void *in, int in_size,
670 void *out, int out_size, mlx5_cmd_cbk_t callback,
672 int mlx5_cmd_alloc_uar(struct mlx5_core_dev *dev, u32 *uarn);
673 int mlx5_cmd_free_uar(struct mlx5_core_dev *dev, u32 uarn);
674 int mlx5_alloc_uuars(struct mlx5_core_dev *dev, struct mlx5_uuar_info *uuari);
675 int mlx5_free_uuars(struct mlx5_core_dev *dev, struct mlx5_uuar_info *uuari);
676 int mlx5_alloc_map_uar(struct mlx5_core_dev *mdev, struct mlx5_uar *uar);
677 void mlx5_unmap_free_uar(struct mlx5_core_dev *mdev, struct mlx5_uar *uar);
678 void mlx5_health_cleanup(void);
679 void __init mlx5_health_init(void);
680 void mlx5_start_health_poll(struct mlx5_core_dev *dev);
681 void mlx5_stop_health_poll(struct mlx5_core_dev *dev);
682 int mlx5_buf_alloc_node(struct mlx5_core_dev *dev, int size,
683 struct mlx5_buf *buf, int node);
684 int mlx5_buf_alloc(struct mlx5_core_dev *dev, int size, struct mlx5_buf *buf);
685 void mlx5_buf_free(struct mlx5_core_dev *dev, struct mlx5_buf *buf);
686 struct mlx5_cmd_mailbox *mlx5_alloc_cmd_mailbox_chain(struct mlx5_core_dev *dev,
687 gfp_t flags, int npages);
688 void mlx5_free_cmd_mailbox_chain(struct mlx5_core_dev *dev,
689 struct mlx5_cmd_mailbox *head);
690 int mlx5_core_create_srq(struct mlx5_core_dev *dev, struct mlx5_core_srq *srq,
691 struct mlx5_create_srq_mbox_in *in, int inlen,
693 int mlx5_core_destroy_srq(struct mlx5_core_dev *dev, struct mlx5_core_srq *srq);
694 int mlx5_core_query_srq(struct mlx5_core_dev *dev, struct mlx5_core_srq *srq,
695 struct mlx5_query_srq_mbox_out *out);
696 int mlx5_core_arm_srq(struct mlx5_core_dev *dev, struct mlx5_core_srq *srq,
697 u16 lwm, int is_srq);
698 void mlx5_init_mr_table(struct mlx5_core_dev *dev);
699 void mlx5_cleanup_mr_table(struct mlx5_core_dev *dev);
700 int mlx5_core_create_mkey(struct mlx5_core_dev *dev, struct mlx5_core_mr *mr,
701 struct mlx5_create_mkey_mbox_in *in, int inlen,
702 mlx5_cmd_cbk_t callback, void *context,
703 struct mlx5_create_mkey_mbox_out *out);
704 int mlx5_core_destroy_mkey(struct mlx5_core_dev *dev, struct mlx5_core_mr *mr);
705 int mlx5_core_query_mkey(struct mlx5_core_dev *dev, struct mlx5_core_mr *mr,
706 struct mlx5_query_mkey_mbox_out *out, int outlen);
707 int mlx5_core_dump_fill_mkey(struct mlx5_core_dev *dev, struct mlx5_core_mr *mr,
709 int mlx5_core_alloc_pd(struct mlx5_core_dev *dev, u32 *pdn);
710 int mlx5_core_dealloc_pd(struct mlx5_core_dev *dev, u32 pdn);
711 int mlx5_core_mad_ifc(struct mlx5_core_dev *dev, const void *inb, void *outb,
713 void mlx5_pagealloc_init(struct mlx5_core_dev *dev);
714 void mlx5_pagealloc_cleanup(struct mlx5_core_dev *dev);
715 int mlx5_pagealloc_start(struct mlx5_core_dev *dev);
716 void mlx5_pagealloc_stop(struct mlx5_core_dev *dev);
717 void mlx5_core_req_pages_handler(struct mlx5_core_dev *dev, u16 func_id,
719 int mlx5_satisfy_startup_pages(struct mlx5_core_dev *dev, int boot);
720 int mlx5_reclaim_startup_pages(struct mlx5_core_dev *dev);
721 void mlx5_register_debugfs(void);
722 void mlx5_unregister_debugfs(void);
723 int mlx5_eq_init(struct mlx5_core_dev *dev);
724 void mlx5_eq_cleanup(struct mlx5_core_dev *dev);
725 void mlx5_fill_page_array(struct mlx5_buf *buf, __be64 *pas);
726 void mlx5_cq_completion(struct mlx5_core_dev *dev, u32 cqn);
727 void mlx5_rsc_event(struct mlx5_core_dev *dev, u32 rsn, int event_type);
728 #ifdef CONFIG_INFINIBAND_ON_DEMAND_PAGING
729 void mlx5_eq_pagefault(struct mlx5_core_dev *dev, struct mlx5_eqe *eqe);
731 void mlx5_srq_event(struct mlx5_core_dev *dev, u32 srqn, int event_type);
732 struct mlx5_core_srq *mlx5_core_get_srq(struct mlx5_core_dev *dev, u32 srqn);
733 void mlx5_cmd_comp_handler(struct mlx5_core_dev *dev, unsigned long vector);
734 void mlx5_cq_event(struct mlx5_core_dev *dev, u32 cqn, int event_type);
735 int mlx5_create_map_eq(struct mlx5_core_dev *dev, struct mlx5_eq *eq, u8 vecidx,
736 int nent, u64 mask, const char *name, struct mlx5_uar *uar);
737 int mlx5_destroy_unmap_eq(struct mlx5_core_dev *dev, struct mlx5_eq *eq);
738 int mlx5_start_eqs(struct mlx5_core_dev *dev);
739 int mlx5_stop_eqs(struct mlx5_core_dev *dev);
740 int mlx5_vector2eqn(struct mlx5_core_dev *dev, int vector, int *eqn, int *irqn);
741 int mlx5_core_attach_mcg(struct mlx5_core_dev *dev, union ib_gid *mgid, u32 qpn);
742 int mlx5_core_detach_mcg(struct mlx5_core_dev *dev, union ib_gid *mgid, u32 qpn);
744 int mlx5_qp_debugfs_init(struct mlx5_core_dev *dev);
745 void mlx5_qp_debugfs_cleanup(struct mlx5_core_dev *dev);
746 int mlx5_core_access_reg(struct mlx5_core_dev *dev, void *data_in,
747 int size_in, void *data_out, int size_out,
748 u16 reg_num, int arg, int write);
750 int mlx5_set_port_caps(struct mlx5_core_dev *dev, u8 port_num, u32 caps);
751 int mlx5_query_port_ptys(struct mlx5_core_dev *dev, u32 *ptys,
752 int ptys_size, int proto_mask, u8 local_port);
753 int mlx5_query_port_proto_cap(struct mlx5_core_dev *dev,
754 u32 *proto_cap, int proto_mask);
755 int mlx5_query_port_proto_admin(struct mlx5_core_dev *dev,
756 u32 *proto_admin, int proto_mask);
757 int mlx5_query_port_link_width_oper(struct mlx5_core_dev *dev,
758 u8 *link_width_oper, u8 local_port);
759 int mlx5_query_port_proto_oper(struct mlx5_core_dev *dev,
760 u8 *proto_oper, int proto_mask,
762 int mlx5_set_port_proto(struct mlx5_core_dev *dev, u32 proto_admin,
764 int mlx5_set_port_status(struct mlx5_core_dev *dev,
765 enum mlx5_port_status status);
766 int mlx5_query_port_status(struct mlx5_core_dev *dev, u8 *status);
768 int mlx5_set_port_mtu(struct mlx5_core_dev *dev, int mtu, u8 port);
769 void mlx5_query_port_max_mtu(struct mlx5_core_dev *dev, int *max_mtu, u8 port);
770 void mlx5_query_port_oper_mtu(struct mlx5_core_dev *dev, int *oper_mtu,
773 int mlx5_query_port_vl_hw_cap(struct mlx5_core_dev *dev,
774 u8 *vl_hw_cap, u8 local_port);
776 int mlx5_debug_eq_add(struct mlx5_core_dev *dev, struct mlx5_eq *eq);
777 void mlx5_debug_eq_remove(struct mlx5_core_dev *dev, struct mlx5_eq *eq);
778 int mlx5_core_eq_query(struct mlx5_core_dev *dev, struct mlx5_eq *eq,
779 struct mlx5_query_eq_mbox_out *out, int outlen);
780 int mlx5_eq_debugfs_init(struct mlx5_core_dev *dev);
781 void mlx5_eq_debugfs_cleanup(struct mlx5_core_dev *dev);
782 int mlx5_cq_debugfs_init(struct mlx5_core_dev *dev);
783 void mlx5_cq_debugfs_cleanup(struct mlx5_core_dev *dev);
784 int mlx5_db_alloc(struct mlx5_core_dev *dev, struct mlx5_db *db);
785 int mlx5_db_alloc_node(struct mlx5_core_dev *dev, struct mlx5_db *db,
787 void mlx5_db_free(struct mlx5_core_dev *dev, struct mlx5_db *db);
789 const char *mlx5_command_str(int command);
790 int mlx5_cmdif_debugfs_init(struct mlx5_core_dev *dev);
791 void mlx5_cmdif_debugfs_cleanup(struct mlx5_core_dev *dev);
792 int mlx5_core_create_psv(struct mlx5_core_dev *dev, u32 pdn,
793 int npsvs, u32 *sig_index);
794 int mlx5_core_destroy_psv(struct mlx5_core_dev *dev, int psv_num);
795 void mlx5_core_put_rsc(struct mlx5_core_rsc_common *common);
796 int mlx5_query_odp_caps(struct mlx5_core_dev *dev,
797 struct mlx5_odp_caps *odp_caps);
799 static inline u32 mlx5_mkey_to_idx(u32 mkey)
804 static inline u32 mlx5_idx_to_mkey(u32 mkey_idx)
806 return mkey_idx << 8;
809 static inline u8 mlx5_mkey_variant(u32 mkey)
815 MLX5_PROF_MASK_QP_SIZE = (u64)1 << 0,
816 MLX5_PROF_MASK_MR_CACHE = (u64)1 << 1,
820 MAX_MR_CACHE_ENTRIES = 16,
824 MLX5_INTERFACE_PROTOCOL_IB = 0,
825 MLX5_INTERFACE_PROTOCOL_ETH = 1,
828 struct mlx5_interface {
829 void * (*add)(struct mlx5_core_dev *dev);
830 void (*remove)(struct mlx5_core_dev *dev, void *context);
831 void (*event)(struct mlx5_core_dev *dev, void *context,
832 enum mlx5_dev_event event, unsigned long param);
833 void * (*get_dev)(void *context);
835 struct list_head list;
838 void *mlx5_get_protocol_dev(struct mlx5_core_dev *mdev, int protocol);
839 int mlx5_register_interface(struct mlx5_interface *intf);
840 void mlx5_unregister_interface(struct mlx5_interface *intf);
841 int mlx5_core_query_vendor_id(struct mlx5_core_dev *mdev, u32 *vendor_id);
843 struct mlx5_profile {
849 } mr_cache[MAX_MR_CACHE_ENTRIES];
852 static inline int mlx5_get_gid_table_len(u16 param)
855 pr_warn("gid table length is zero\n");
859 return 8 * (1 << param);
862 #endif /* MLX5_DRIVER_H */