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_PFCC = 0x5007,
107 MLX5_REG_PPCNT = 0x5008,
108 MLX5_REG_PMAOS = 0x5012,
109 MLX5_REG_PUDE = 0x5009,
110 MLX5_REG_PMPE = 0x5010,
111 MLX5_REG_PELC = 0x500e,
112 MLX5_REG_PVLC = 0x500f,
113 MLX5_REG_PMLP = 0, /* TBD */
114 MLX5_REG_NODE_DESC = 0x6001,
115 MLX5_REG_HOST_ENDIANNESS = 0x7004,
119 MLX5_ATOMIC_OPS_CMP_SWAP = 1 << 0,
120 MLX5_ATOMIC_OPS_FETCH_ADD = 1 << 1,
123 enum mlx5_page_fault_resume_flags {
124 MLX5_PAGE_FAULT_RESUME_REQUESTOR = 1 << 0,
125 MLX5_PAGE_FAULT_RESUME_WRITE = 1 << 1,
126 MLX5_PAGE_FAULT_RESUME_RDMA = 1 << 2,
127 MLX5_PAGE_FAULT_RESUME_ERROR = 1 << 7,
136 struct mlx5_field_desc {
141 struct mlx5_rsc_debug {
142 struct mlx5_core_dev *dev;
144 enum dbg_rsc_type type;
146 struct mlx5_field_desc fields[0];
149 enum mlx5_dev_event {
150 MLX5_DEV_EVENT_SYS_ERROR,
151 MLX5_DEV_EVENT_PORT_UP,
152 MLX5_DEV_EVENT_PORT_DOWN,
153 MLX5_DEV_EVENT_PORT_INITIALIZED,
154 MLX5_DEV_EVENT_LID_CHANGE,
155 MLX5_DEV_EVENT_PKEY_CHANGE,
156 MLX5_DEV_EVENT_GUID_CHANGE,
157 MLX5_DEV_EVENT_CLIENT_REREG,
160 enum mlx5_port_status {
165 struct mlx5_uuar_info {
166 struct mlx5_uar *uars;
168 int num_low_latency_uuars;
169 unsigned long *bitmap;
174 * protect uuar allocation data structs
182 void __iomem *regreg;
184 struct mlx5_uar *uar;
185 unsigned long offset;
187 /* protect blue flame buffer selection when needed
191 /* serialize 64 bit writes when done as two 32 bit accesses
197 struct mlx5_cmd_first {
201 struct mlx5_cmd_msg {
202 struct list_head list;
203 struct cache_ent *cache;
205 struct mlx5_cmd_first first;
206 struct mlx5_cmd_mailbox *next;
209 struct mlx5_cmd_debug {
210 struct dentry *dbg_root;
211 struct dentry *dbg_in;
212 struct dentry *dbg_out;
213 struct dentry *dbg_outlen;
214 struct dentry *dbg_status;
215 struct dentry *dbg_run;
224 /* protect block chain allocations
227 struct list_head head;
230 struct cmd_msg_cache {
231 struct cache_ent large;
232 struct cache_ent med;
236 struct mlx5_cmd_stats {
241 struct dentry *count;
242 /* protect command average calculations */
248 dma_addr_t alloc_dma;
259 /* protect command queue allocations
261 spinlock_t alloc_lock;
263 /* protect token allocations
265 spinlock_t token_lock;
267 unsigned long bitmask;
268 char wq_name[MLX5_CMD_WQ_MAX_NAME];
269 struct workqueue_struct *wq;
270 struct semaphore sem;
271 struct semaphore pages_sem;
273 struct mlx5_cmd_work_ent *ent_arr[MLX5_MAX_COMMANDS];
274 struct pci_pool *pool;
275 struct mlx5_cmd_debug dbg;
276 struct cmd_msg_cache cache;
277 int checksum_disabled;
278 struct mlx5_cmd_stats stats[MLX5_CMD_OP_MAX];
281 struct mlx5_port_caps {
287 struct mlx5_cmd_mailbox {
290 struct mlx5_cmd_mailbox *next;
293 struct mlx5_buf_list {
299 struct mlx5_buf_list direct;
306 struct mlx5_core_dev *dev;
307 __be32 __iomem *doorbell;
315 struct list_head list;
317 struct mlx5_rsc_debug *dbg;
320 struct mlx5_core_psv {
332 struct mlx5_core_sig_ctx {
333 struct mlx5_core_psv psv_memory;
334 struct mlx5_core_psv psv_wire;
335 struct ib_sig_err err_item;
336 bool sig_status_checked;
341 struct mlx5_core_mr {
354 struct mlx5_core_rsc_common {
355 enum mlx5_res_type res;
357 struct completion free;
360 struct mlx5_core_srq {
361 struct mlx5_core_rsc_common common; /* must be first */
365 int max_avail_gather;
367 void (*event) (struct mlx5_core_srq *, enum mlx5_event);
370 struct completion free;
373 struct mlx5_eq_table {
374 void __iomem *update_ci;
375 void __iomem *update_arm_ci;
376 struct list_head comp_eqs_list;
377 struct mlx5_eq pages_eq;
378 struct mlx5_eq async_eq;
379 struct mlx5_eq cmd_eq;
380 int num_comp_vectors;
388 struct list_head bf_list;
389 unsigned free_bf_bmap;
390 void __iomem *bf_map;
395 struct mlx5_core_health {
396 struct health_buffer __iomem *health;
397 __be32 __iomem *health_counter;
398 struct timer_list timer;
402 struct workqueue_struct *wq;
403 struct work_struct work;
406 struct mlx5_cq_table {
407 /* protect radix tree
410 struct radix_tree_root tree;
413 struct mlx5_qp_table {
414 /* protect radix tree
417 struct radix_tree_root tree;
420 struct mlx5_srq_table {
421 /* protect radix tree
424 struct radix_tree_root tree;
427 struct mlx5_mr_table {
428 /* protect radix tree
431 struct radix_tree_root tree;
434 struct mlx5_irq_info {
436 char name[MLX5_MAX_IRQ_NAME];
440 char name[MLX5_MAX_NAME_LEN];
441 struct mlx5_eq_table eq_table;
442 struct msix_entry *msix_arr;
443 struct mlx5_irq_info *irq_info;
444 struct mlx5_uuar_info uuari;
445 MLX5_DECLARE_DOORBELL_LOCK(cq_uar_lock);
447 struct io_mapping *bf_mapping;
450 struct workqueue_struct *pg_wq;
451 struct rb_root page_root;
454 struct list_head free_list;
456 struct mlx5_core_health health;
458 struct mlx5_srq_table srq_table;
460 /* start: qp staff */
461 struct mlx5_qp_table qp_table;
462 struct dentry *qp_debugfs;
463 struct dentry *eq_debugfs;
464 struct dentry *cq_debugfs;
465 struct dentry *cmdif_debugfs;
468 /* start: cq staff */
469 struct mlx5_cq_table cq_table;
472 /* start: mr staff */
473 struct mlx5_mr_table mr_table;
476 /* start: alloc staff */
477 /* protect buffer alocation according to numa node */
478 struct mutex alloc_mutex;
481 struct mutex pgdir_mutex;
482 struct list_head pgdir_list;
483 /* end: alloc staff */
484 struct dentry *dbg_root;
486 /* protect mkey key part */
487 spinlock_t mkey_lock;
490 struct list_head dev_list;
491 struct list_head ctx_list;
495 enum mlx5_device_state {
496 MLX5_DEVICE_STATE_UP,
497 MLX5_DEVICE_STATE_INTERNAL_ERROR,
500 enum mlx5_interface_state {
501 MLX5_INTERFACE_STATE_DOWN,
502 MLX5_INTERFACE_STATE_UP,
505 enum mlx5_pci_status {
506 MLX5_PCI_STATUS_DISABLED,
507 MLX5_PCI_STATUS_ENABLED,
510 struct mlx5_core_dev {
511 struct pci_dev *pdev;
513 struct mutex pci_status_mutex;
514 enum mlx5_pci_status pci_status;
516 char board_id[MLX5_BOARD_ID_LEN];
518 struct mlx5_port_caps port_caps[MLX5_MAX_PORTS];
519 u32 hca_caps_cur[MLX5_CAP_NUM][MLX5_UN_SZ_DW(hca_cap_union)];
520 u32 hca_caps_max[MLX5_CAP_NUM][MLX5_UN_SZ_DW(hca_cap_union)];
521 phys_addr_t iseg_base;
522 struct mlx5_init_seg __iomem *iseg;
523 enum mlx5_device_state state;
524 /* sync interface state */
525 struct mutex intf_state_mutex;
526 enum mlx5_interface_state interface_state;
527 void (*event) (struct mlx5_core_dev *dev,
528 enum mlx5_dev_event event,
529 unsigned long param);
530 struct mlx5_priv priv;
531 struct mlx5_profile *profile;
539 struct mlx5_db_pgdir *pgdir;
540 struct mlx5_ib_user_db_page *user_page;
547 MLX5_DB_PER_PAGE = PAGE_SIZE / L1_CACHE_BYTES,
551 MLX5_COMP_EQ_SIZE = 1024,
555 MLX5_PTYS_IB = 1 << 0,
556 MLX5_PTYS_EN = 1 << 2,
559 struct mlx5_db_pgdir {
560 struct list_head list;
561 DECLARE_BITMAP(bitmap, MLX5_DB_PER_PAGE);
566 typedef void (*mlx5_cmd_cbk_t)(int status, void *context);
568 struct mlx5_cmd_work_ent {
569 struct mlx5_cmd_msg *in;
570 struct mlx5_cmd_msg *out;
573 mlx5_cmd_cbk_t callback;
576 struct completion done;
577 struct mlx5_cmd *cmd;
578 struct work_struct work;
579 struct mlx5_cmd_layout *lay;
594 enum port_state_policy {
598 enum phy_port_state {
602 struct mlx5_hca_vport_context {
607 enum port_state_policy policy;
608 enum phy_port_state phys_state;
609 enum ib_port_state vport_state;
610 u8 port_physical_state;
619 u8 init_type_reply; /* bitmask: see ib spec 14.2.5.6 InitTypeReply */
624 u16 qkey_violation_counter;
625 u16 pkey_violation_counter;
629 static inline void *mlx5_buf_offset(struct mlx5_buf *buf, int offset)
631 return buf->direct.buf + offset;
634 extern struct workqueue_struct *mlx5_core_wq;
636 #define STRUCT_FIELD(header, field) \
637 .struct_offset_bytes = offsetof(struct ib_unpacked_ ## header, field), \
638 .struct_size_bytes = sizeof((struct ib_unpacked_ ## header *)0)->field
640 static inline struct mlx5_core_dev *pci2mlx5_core_dev(struct pci_dev *pdev)
642 return pci_get_drvdata(pdev);
645 extern struct dentry *mlx5_debugfs_root;
647 static inline u16 fw_rev_maj(struct mlx5_core_dev *dev)
649 return ioread32be(&dev->iseg->fw_rev) & 0xffff;
652 static inline u16 fw_rev_min(struct mlx5_core_dev *dev)
654 return ioread32be(&dev->iseg->fw_rev) >> 16;
657 static inline u16 fw_rev_sub(struct mlx5_core_dev *dev)
659 return ioread32be(&dev->iseg->cmdif_rev_fw_sub) & 0xffff;
662 static inline u16 cmdif_rev(struct mlx5_core_dev *dev)
664 return ioread32be(&dev->iseg->cmdif_rev_fw_sub) >> 16;
667 static inline void *mlx5_vzalloc(unsigned long size)
671 rtn = kzalloc(size, GFP_KERNEL | __GFP_NOWARN);
677 static inline u32 mlx5_base_mkey(const u32 key)
679 return key & 0xffffff00u;
682 int mlx5_cmd_init(struct mlx5_core_dev *dev);
683 void mlx5_cmd_cleanup(struct mlx5_core_dev *dev);
684 void mlx5_cmd_use_events(struct mlx5_core_dev *dev);
685 void mlx5_cmd_use_polling(struct mlx5_core_dev *dev);
686 int mlx5_cmd_status_to_err(struct mlx5_outbox_hdr *hdr);
687 int mlx5_cmd_status_to_err_v2(void *ptr);
688 int mlx5_core_get_caps(struct mlx5_core_dev *dev, enum mlx5_cap_type cap_type,
689 enum mlx5_cap_mode cap_mode);
690 int mlx5_cmd_exec(struct mlx5_core_dev *dev, void *in, int in_size, void *out,
692 int mlx5_cmd_exec_cb(struct mlx5_core_dev *dev, void *in, int in_size,
693 void *out, int out_size, mlx5_cmd_cbk_t callback,
695 int mlx5_cmd_alloc_uar(struct mlx5_core_dev *dev, u32 *uarn);
696 int mlx5_cmd_free_uar(struct mlx5_core_dev *dev, u32 uarn);
697 int mlx5_alloc_uuars(struct mlx5_core_dev *dev, struct mlx5_uuar_info *uuari);
698 int mlx5_free_uuars(struct mlx5_core_dev *dev, struct mlx5_uuar_info *uuari);
699 int mlx5_alloc_map_uar(struct mlx5_core_dev *mdev, struct mlx5_uar *uar);
700 void mlx5_unmap_free_uar(struct mlx5_core_dev *mdev, struct mlx5_uar *uar);
701 void mlx5_health_cleanup(struct mlx5_core_dev *dev);
702 int mlx5_health_init(struct mlx5_core_dev *dev);
703 void mlx5_start_health_poll(struct mlx5_core_dev *dev);
704 void mlx5_stop_health_poll(struct mlx5_core_dev *dev);
705 int mlx5_buf_alloc_node(struct mlx5_core_dev *dev, int size,
706 struct mlx5_buf *buf, int node);
707 int mlx5_buf_alloc(struct mlx5_core_dev *dev, int size, struct mlx5_buf *buf);
708 void mlx5_buf_free(struct mlx5_core_dev *dev, struct mlx5_buf *buf);
709 struct mlx5_cmd_mailbox *mlx5_alloc_cmd_mailbox_chain(struct mlx5_core_dev *dev,
710 gfp_t flags, int npages);
711 void mlx5_free_cmd_mailbox_chain(struct mlx5_core_dev *dev,
712 struct mlx5_cmd_mailbox *head);
713 int mlx5_core_create_srq(struct mlx5_core_dev *dev, struct mlx5_core_srq *srq,
714 struct mlx5_create_srq_mbox_in *in, int inlen,
716 int mlx5_core_destroy_srq(struct mlx5_core_dev *dev, struct mlx5_core_srq *srq);
717 int mlx5_core_query_srq(struct mlx5_core_dev *dev, struct mlx5_core_srq *srq,
718 struct mlx5_query_srq_mbox_out *out);
719 int mlx5_core_arm_srq(struct mlx5_core_dev *dev, struct mlx5_core_srq *srq,
720 u16 lwm, int is_srq);
721 void mlx5_init_mr_table(struct mlx5_core_dev *dev);
722 void mlx5_cleanup_mr_table(struct mlx5_core_dev *dev);
723 int mlx5_core_create_mkey(struct mlx5_core_dev *dev, struct mlx5_core_mr *mr,
724 struct mlx5_create_mkey_mbox_in *in, int inlen,
725 mlx5_cmd_cbk_t callback, void *context,
726 struct mlx5_create_mkey_mbox_out *out);
727 int mlx5_core_destroy_mkey(struct mlx5_core_dev *dev, struct mlx5_core_mr *mr);
728 int mlx5_core_query_mkey(struct mlx5_core_dev *dev, struct mlx5_core_mr *mr,
729 struct mlx5_query_mkey_mbox_out *out, int outlen);
730 int mlx5_core_dump_fill_mkey(struct mlx5_core_dev *dev, struct mlx5_core_mr *mr,
732 int mlx5_core_alloc_pd(struct mlx5_core_dev *dev, u32 *pdn);
733 int mlx5_core_dealloc_pd(struct mlx5_core_dev *dev, u32 pdn);
734 int mlx5_core_mad_ifc(struct mlx5_core_dev *dev, const void *inb, void *outb,
736 void mlx5_pagealloc_init(struct mlx5_core_dev *dev);
737 void mlx5_pagealloc_cleanup(struct mlx5_core_dev *dev);
738 int mlx5_pagealloc_start(struct mlx5_core_dev *dev);
739 void mlx5_pagealloc_stop(struct mlx5_core_dev *dev);
740 void mlx5_core_req_pages_handler(struct mlx5_core_dev *dev, u16 func_id,
742 int mlx5_satisfy_startup_pages(struct mlx5_core_dev *dev, int boot);
743 int mlx5_reclaim_startup_pages(struct mlx5_core_dev *dev);
744 void mlx5_register_debugfs(void);
745 void mlx5_unregister_debugfs(void);
746 int mlx5_eq_init(struct mlx5_core_dev *dev);
747 void mlx5_eq_cleanup(struct mlx5_core_dev *dev);
748 void mlx5_fill_page_array(struct mlx5_buf *buf, __be64 *pas);
749 void mlx5_cq_completion(struct mlx5_core_dev *dev, u32 cqn);
750 void mlx5_rsc_event(struct mlx5_core_dev *dev, u32 rsn, int event_type);
751 #ifdef CONFIG_INFINIBAND_ON_DEMAND_PAGING
752 void mlx5_eq_pagefault(struct mlx5_core_dev *dev, struct mlx5_eqe *eqe);
754 void mlx5_srq_event(struct mlx5_core_dev *dev, u32 srqn, int event_type);
755 struct mlx5_core_srq *mlx5_core_get_srq(struct mlx5_core_dev *dev, u32 srqn);
756 void mlx5_cmd_comp_handler(struct mlx5_core_dev *dev, u64 vec);
757 void mlx5_cq_event(struct mlx5_core_dev *dev, u32 cqn, int event_type);
758 int mlx5_create_map_eq(struct mlx5_core_dev *dev, struct mlx5_eq *eq, u8 vecidx,
759 int nent, u64 mask, const char *name, struct mlx5_uar *uar);
760 int mlx5_destroy_unmap_eq(struct mlx5_core_dev *dev, struct mlx5_eq *eq);
761 int mlx5_start_eqs(struct mlx5_core_dev *dev);
762 int mlx5_stop_eqs(struct mlx5_core_dev *dev);
763 int mlx5_vector2eqn(struct mlx5_core_dev *dev, int vector, int *eqn, int *irqn);
764 int mlx5_core_attach_mcg(struct mlx5_core_dev *dev, union ib_gid *mgid, u32 qpn);
765 int mlx5_core_detach_mcg(struct mlx5_core_dev *dev, union ib_gid *mgid, u32 qpn);
767 int mlx5_qp_debugfs_init(struct mlx5_core_dev *dev);
768 void mlx5_qp_debugfs_cleanup(struct mlx5_core_dev *dev);
769 int mlx5_core_access_reg(struct mlx5_core_dev *dev, void *data_in,
770 int size_in, void *data_out, int size_out,
771 u16 reg_num, int arg, int write);
773 int mlx5_set_port_caps(struct mlx5_core_dev *dev, u8 port_num, u32 caps);
774 int mlx5_query_port_ptys(struct mlx5_core_dev *dev, u32 *ptys,
775 int ptys_size, int proto_mask, u8 local_port);
776 int mlx5_query_port_proto_cap(struct mlx5_core_dev *dev,
777 u32 *proto_cap, int proto_mask);
778 int mlx5_query_port_proto_admin(struct mlx5_core_dev *dev,
779 u32 *proto_admin, int proto_mask);
780 int mlx5_query_port_link_width_oper(struct mlx5_core_dev *dev,
781 u8 *link_width_oper, u8 local_port);
782 int mlx5_query_port_proto_oper(struct mlx5_core_dev *dev,
783 u8 *proto_oper, int proto_mask,
785 int mlx5_set_port_proto(struct mlx5_core_dev *dev, u32 proto_admin,
787 int mlx5_set_port_admin_status(struct mlx5_core_dev *dev,
788 enum mlx5_port_status status);
789 int mlx5_query_port_admin_status(struct mlx5_core_dev *dev,
790 enum mlx5_port_status *status);
792 int mlx5_set_port_mtu(struct mlx5_core_dev *dev, int mtu, u8 port);
793 void mlx5_query_port_max_mtu(struct mlx5_core_dev *dev, int *max_mtu, u8 port);
794 void mlx5_query_port_oper_mtu(struct mlx5_core_dev *dev, int *oper_mtu,
797 int mlx5_query_port_vl_hw_cap(struct mlx5_core_dev *dev,
798 u8 *vl_hw_cap, u8 local_port);
800 int mlx5_set_port_pause(struct mlx5_core_dev *dev, u32 rx_pause, u32 tx_pause);
801 int mlx5_query_port_pause(struct mlx5_core_dev *dev,
802 u32 *rx_pause, u32 *tx_pause);
804 int mlx5_debug_eq_add(struct mlx5_core_dev *dev, struct mlx5_eq *eq);
805 void mlx5_debug_eq_remove(struct mlx5_core_dev *dev, struct mlx5_eq *eq);
806 int mlx5_core_eq_query(struct mlx5_core_dev *dev, struct mlx5_eq *eq,
807 struct mlx5_query_eq_mbox_out *out, int outlen);
808 int mlx5_eq_debugfs_init(struct mlx5_core_dev *dev);
809 void mlx5_eq_debugfs_cleanup(struct mlx5_core_dev *dev);
810 int mlx5_cq_debugfs_init(struct mlx5_core_dev *dev);
811 void mlx5_cq_debugfs_cleanup(struct mlx5_core_dev *dev);
812 int mlx5_db_alloc(struct mlx5_core_dev *dev, struct mlx5_db *db);
813 int mlx5_db_alloc_node(struct mlx5_core_dev *dev, struct mlx5_db *db,
815 void mlx5_db_free(struct mlx5_core_dev *dev, struct mlx5_db *db);
817 const char *mlx5_command_str(int command);
818 int mlx5_cmdif_debugfs_init(struct mlx5_core_dev *dev);
819 void mlx5_cmdif_debugfs_cleanup(struct mlx5_core_dev *dev);
820 int mlx5_core_create_psv(struct mlx5_core_dev *dev, u32 pdn,
821 int npsvs, u32 *sig_index);
822 int mlx5_core_destroy_psv(struct mlx5_core_dev *dev, int psv_num);
823 void mlx5_core_put_rsc(struct mlx5_core_rsc_common *common);
824 int mlx5_query_odp_caps(struct mlx5_core_dev *dev,
825 struct mlx5_odp_caps *odp_caps);
827 static inline int fw_initializing(struct mlx5_core_dev *dev)
829 return ioread32be(&dev->iseg->initializing) >> 31;
832 static inline u32 mlx5_mkey_to_idx(u32 mkey)
837 static inline u32 mlx5_idx_to_mkey(u32 mkey_idx)
839 return mkey_idx << 8;
842 static inline u8 mlx5_mkey_variant(u32 mkey)
848 MLX5_PROF_MASK_QP_SIZE = (u64)1 << 0,
849 MLX5_PROF_MASK_MR_CACHE = (u64)1 << 1,
853 MAX_MR_CACHE_ENTRIES = 16,
857 MLX5_INTERFACE_PROTOCOL_IB = 0,
858 MLX5_INTERFACE_PROTOCOL_ETH = 1,
861 struct mlx5_interface {
862 void * (*add)(struct mlx5_core_dev *dev);
863 void (*remove)(struct mlx5_core_dev *dev, void *context);
864 void (*event)(struct mlx5_core_dev *dev, void *context,
865 enum mlx5_dev_event event, unsigned long param);
866 void * (*get_dev)(void *context);
868 struct list_head list;
871 void *mlx5_get_protocol_dev(struct mlx5_core_dev *mdev, int protocol);
872 int mlx5_register_interface(struct mlx5_interface *intf);
873 void mlx5_unregister_interface(struct mlx5_interface *intf);
874 int mlx5_core_query_vendor_id(struct mlx5_core_dev *mdev, u32 *vendor_id);
876 struct mlx5_profile {
882 } mr_cache[MAX_MR_CACHE_ENTRIES];
885 static inline int mlx5_get_gid_table_len(u16 param)
888 pr_warn("gid table length is zero\n");
892 return 8 * (1 << param);
896 MLX5_TRIGGERED_CMD_COMP = (u64)1 << 32,
899 #endif /* MLX5_DRIVER_H */