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>
44 #include <linux/workqueue.h>
45 #include <linux/mempool.h>
46 #include <linux/interrupt.h>
48 #include <linux/mlx5/device.h>
49 #include <linux/mlx5/doorbell.h>
50 #include <linux/mlx5/srq.h>
53 MLX5_BOARD_ID_LEN
= 64,
54 MLX5_MAX_NAME_LEN
= 16,
58 /* one minute for the sake of bringup. Generally, commands must always
59 * complete and we may need to increase this timeout value
61 MLX5_CMD_TIMEOUT_MSEC
= 60 * 1000,
62 MLX5_CMD_WQ_MAX_NAME
= 32,
68 CMD_STATUS_SUCCESS
= 0,
74 MLX5_SQP_IEEE_1588
= 2,
76 MLX5_SQP_SYNC_UMR
= 4,
84 MLX5_EQ_VEC_PAGES
= 0,
86 MLX5_EQ_VEC_ASYNC
= 2,
87 MLX5_EQ_VEC_PFAULT
= 3,
88 MLX5_EQ_VEC_COMP_BASE
,
92 MLX5_MAX_IRQ_NAME
= 32
96 MLX5_ATOMIC_MODE_IB_COMP
= 1 << 16,
97 MLX5_ATOMIC_MODE_CX
= 2 << 16,
98 MLX5_ATOMIC_MODE_8B
= 3 << 16,
99 MLX5_ATOMIC_MODE_16B
= 4 << 16,
100 MLX5_ATOMIC_MODE_32B
= 5 << 16,
101 MLX5_ATOMIC_MODE_64B
= 6 << 16,
102 MLX5_ATOMIC_MODE_128B
= 7 << 16,
103 MLX5_ATOMIC_MODE_256B
= 8 << 16,
107 MLX5_REG_QETCR
= 0x4005,
108 MLX5_REG_QTCT
= 0x400a,
109 MLX5_REG_DCBX_PARAM
= 0x4020,
110 MLX5_REG_DCBX_APP
= 0x4021,
111 MLX5_REG_PCAP
= 0x5001,
112 MLX5_REG_PMTU
= 0x5003,
113 MLX5_REG_PTYS
= 0x5004,
114 MLX5_REG_PAOS
= 0x5006,
115 MLX5_REG_PFCC
= 0x5007,
116 MLX5_REG_PPCNT
= 0x5008,
117 MLX5_REG_PMAOS
= 0x5012,
118 MLX5_REG_PUDE
= 0x5009,
119 MLX5_REG_PMPE
= 0x5010,
120 MLX5_REG_PELC
= 0x500e,
121 MLX5_REG_PVLC
= 0x500f,
122 MLX5_REG_PCMR
= 0x5041,
123 MLX5_REG_PMLP
= 0x5002,
124 MLX5_REG_PCAM
= 0x507f,
125 MLX5_REG_NODE_DESC
= 0x6001,
126 MLX5_REG_HOST_ENDIANNESS
= 0x7004,
127 MLX5_REG_MCIA
= 0x9014,
128 MLX5_REG_MLCR
= 0x902b,
129 MLX5_REG_MPCNT
= 0x9051,
130 MLX5_REG_MTPPS
= 0x9053,
131 MLX5_REG_MTPPSE
= 0x9054,
132 MLX5_REG_MCAM
= 0x907f,
135 enum mlx5_dcbx_oper_mode
{
136 MLX5E_DCBX_PARAM_VER_OPER_HOST
= 0x0,
137 MLX5E_DCBX_PARAM_VER_OPER_AUTO
= 0x3,
141 MLX5_ATOMIC_OPS_CMP_SWAP
= 1 << 0,
142 MLX5_ATOMIC_OPS_FETCH_ADD
= 1 << 1,
145 enum mlx5_page_fault_resume_flags
{
146 MLX5_PAGE_FAULT_RESUME_REQUESTOR
= 1 << 0,
147 MLX5_PAGE_FAULT_RESUME_WRITE
= 1 << 1,
148 MLX5_PAGE_FAULT_RESUME_RDMA
= 1 << 2,
149 MLX5_PAGE_FAULT_RESUME_ERROR
= 1 << 7,
158 struct mlx5_field_desc
{
163 struct mlx5_rsc_debug
{
164 struct mlx5_core_dev
*dev
;
166 enum dbg_rsc_type type
;
168 struct mlx5_field_desc fields
[0];
171 enum mlx5_dev_event
{
172 MLX5_DEV_EVENT_SYS_ERROR
,
173 MLX5_DEV_EVENT_PORT_UP
,
174 MLX5_DEV_EVENT_PORT_DOWN
,
175 MLX5_DEV_EVENT_PORT_INITIALIZED
,
176 MLX5_DEV_EVENT_LID_CHANGE
,
177 MLX5_DEV_EVENT_PKEY_CHANGE
,
178 MLX5_DEV_EVENT_GUID_CHANGE
,
179 MLX5_DEV_EVENT_CLIENT_REREG
,
183 enum mlx5_port_status
{
191 #ifdef CONFIG_INFINIBAND_ON_DEMAND_PAGING
196 struct mlx5_bfreg_info
{
198 int num_low_latency_bfregs
;
202 * protect bfreg allocation data structs
210 struct mlx5_cmd_first
{
214 struct mlx5_cmd_msg
{
215 struct list_head list
;
216 struct cmd_msg_cache
*parent
;
218 struct mlx5_cmd_first first
;
219 struct mlx5_cmd_mailbox
*next
;
222 struct mlx5_cmd_debug
{
223 struct dentry
*dbg_root
;
224 struct dentry
*dbg_in
;
225 struct dentry
*dbg_out
;
226 struct dentry
*dbg_outlen
;
227 struct dentry
*dbg_status
;
228 struct dentry
*dbg_run
;
236 struct cmd_msg_cache
{
237 /* protect block chain allocations
240 struct list_head head
;
241 unsigned int max_inbox_size
;
242 unsigned int num_ent
;
246 MLX5_NUM_COMMAND_CACHES
= 5,
249 struct mlx5_cmd_stats
{
254 struct dentry
*count
;
255 /* protect command average calculations */
261 dma_addr_t alloc_dma
;
272 /* protect command queue allocations
274 spinlock_t alloc_lock
;
276 /* protect token allocations
278 spinlock_t token_lock
;
280 unsigned long bitmask
;
281 char wq_name
[MLX5_CMD_WQ_MAX_NAME
];
282 struct workqueue_struct
*wq
;
283 struct semaphore sem
;
284 struct semaphore pages_sem
;
286 struct mlx5_cmd_work_ent
*ent_arr
[MLX5_MAX_COMMANDS
];
287 struct pci_pool
*pool
;
288 struct mlx5_cmd_debug dbg
;
289 struct cmd_msg_cache cache
[MLX5_NUM_COMMAND_CACHES
];
290 int checksum_disabled
;
291 struct mlx5_cmd_stats stats
[MLX5_CMD_OP_MAX
];
294 struct mlx5_port_caps
{
301 struct mlx5_cmd_mailbox
{
304 struct mlx5_cmd_mailbox
*next
;
307 struct mlx5_buf_list
{
313 struct mlx5_buf_list direct
;
319 struct mlx5_frag_buf
{
320 struct mlx5_buf_list
*frags
;
326 struct mlx5_eq_tasklet
{
327 struct list_head list
;
328 struct list_head process_list
;
329 struct tasklet_struct task
;
330 /* lock on completion tasklet list */
334 struct mlx5_eq_pagefault
{
335 struct work_struct work
;
336 /* Pagefaults lock */
338 struct workqueue_struct
*wq
;
343 struct mlx5_core_dev
*dev
;
344 __be32 __iomem
*doorbell
;
352 struct list_head list
;
354 struct mlx5_rsc_debug
*dbg
;
355 enum mlx5_eq_type type
;
357 struct mlx5_eq_tasklet tasklet_ctx
;
358 #ifdef CONFIG_INFINIBAND_ON_DEMAND_PAGING
359 struct mlx5_eq_pagefault pf_ctx
;
364 struct mlx5_core_psv
{
376 struct mlx5_core_sig_ctx
{
377 struct mlx5_core_psv psv_memory
;
378 struct mlx5_core_psv psv_wire
;
379 struct ib_sig_err err_item
;
380 bool sig_status_checked
;
390 struct mlx5_core_mkey
{
398 #define MLX5_24BIT_MASK ((1 << 24) - 1)
401 MLX5_RES_QP
= MLX5_EVENT_QUEUE_TYPE_QP
,
402 MLX5_RES_RQ
= MLX5_EVENT_QUEUE_TYPE_RQ
,
403 MLX5_RES_SQ
= MLX5_EVENT_QUEUE_TYPE_SQ
,
408 struct mlx5_core_rsc_common
{
409 enum mlx5_res_type res
;
411 struct completion free
;
414 struct mlx5_core_srq
{
415 struct mlx5_core_rsc_common common
; /* must be first */
419 int max_avail_gather
;
421 void (*event
) (struct mlx5_core_srq
*, enum mlx5_event
);
424 struct completion free
;
427 struct mlx5_eq_table
{
428 void __iomem
*update_ci
;
429 void __iomem
*update_arm_ci
;
430 struct list_head comp_eqs_list
;
431 struct mlx5_eq pages_eq
;
432 struct mlx5_eq async_eq
;
433 struct mlx5_eq cmd_eq
;
434 #ifdef CONFIG_INFINIBAND_ON_DEMAND_PAGING
435 struct mlx5_eq pfault_eq
;
437 int num_comp_vectors
;
443 struct mlx5_uars_page
{
447 struct list_head list
;
449 unsigned long *reg_bitmap
; /* for non fast path bf regs */
450 unsigned long *fp_bitmap
;
451 unsigned int reg_avail
;
452 unsigned int fp_avail
;
453 struct kref ref_count
;
454 struct mlx5_core_dev
*mdev
;
457 struct mlx5_bfreg_head
{
458 /* protect blue flame registers allocations */
460 struct list_head list
;
463 struct mlx5_bfreg_data
{
464 struct mlx5_bfreg_head reg_head
;
465 struct mlx5_bfreg_head wc_head
;
468 struct mlx5_sq_bfreg
{
470 struct mlx5_uars_page
*up
;
476 struct mlx5_core_health
{
477 struct health_buffer __iomem
*health
;
478 __be32 __iomem
*health_counter
;
479 struct timer_list timer
;
483 /* wq spinlock to synchronize draining */
485 struct workqueue_struct
*wq
;
487 struct work_struct work
;
488 struct delayed_work recover_work
;
491 struct mlx5_cq_table
{
492 /* protect radix tree
495 struct radix_tree_root tree
;
498 struct mlx5_qp_table
{
499 /* protect radix tree
502 struct radix_tree_root tree
;
505 struct mlx5_srq_table
{
506 /* protect radix tree
509 struct radix_tree_root tree
;
512 struct mlx5_mkey_table
{
513 /* protect radix tree
516 struct radix_tree_root tree
;
519 struct mlx5_vf_context
{
523 struct mlx5_core_sriov
{
524 struct mlx5_vf_context
*vfs_ctx
;
529 struct mlx5_irq_info
{
531 char name
[MLX5_MAX_IRQ_NAME
];
534 struct mlx5_fc_stats
{
535 struct rb_root counters
;
536 struct list_head addlist
;
537 /* protect addlist add/splice operations */
538 spinlock_t addlist_lock
;
540 struct workqueue_struct
*wq
;
541 struct delayed_work work
;
542 unsigned long next_query
;
543 unsigned long sampling_interval
; /* jiffies */
548 struct mlx5_pagefault
;
550 struct mlx5_rl_entry
{
556 struct mlx5_rl_table
{
557 /* protect rate limit table */
558 struct mutex rl_lock
;
562 struct mlx5_rl_entry
*rl_entry
;
565 enum port_module_event_status_type
{
566 MLX5_MODULE_STATUS_PLUGGED
= 0x1,
567 MLX5_MODULE_STATUS_UNPLUGGED
= 0x2,
568 MLX5_MODULE_STATUS_ERROR
= 0x3,
569 MLX5_MODULE_STATUS_NUM
= 0x3,
572 enum port_module_event_error_type
{
573 MLX5_MODULE_EVENT_ERROR_POWER_BUDGET_EXCEEDED
,
574 MLX5_MODULE_EVENT_ERROR_LONG_RANGE_FOR_NON_MLNX_CABLE_MODULE
,
575 MLX5_MODULE_EVENT_ERROR_BUS_STUCK
,
576 MLX5_MODULE_EVENT_ERROR_NO_EEPROM_RETRY_TIMEOUT
,
577 MLX5_MODULE_EVENT_ERROR_ENFORCE_PART_NUMBER_LIST
,
578 MLX5_MODULE_EVENT_ERROR_UNKNOWN_IDENTIFIER
,
579 MLX5_MODULE_EVENT_ERROR_HIGH_TEMPERATURE
,
580 MLX5_MODULE_EVENT_ERROR_BAD_CABLE
,
581 MLX5_MODULE_EVENT_ERROR_UNKNOWN
,
582 MLX5_MODULE_EVENT_ERROR_NUM
,
585 struct mlx5_port_module_event_stats
{
586 u64 status_counters
[MLX5_MODULE_STATUS_NUM
];
587 u64 error_counters
[MLX5_MODULE_EVENT_ERROR_NUM
];
591 char name
[MLX5_MAX_NAME_LEN
];
592 struct mlx5_eq_table eq_table
;
593 struct msix_entry
*msix_arr
;
594 struct mlx5_irq_info
*irq_info
;
597 struct workqueue_struct
*pg_wq
;
598 struct rb_root page_root
;
601 struct list_head free_list
;
604 struct mlx5_core_health health
;
606 struct mlx5_srq_table srq_table
;
608 /* start: qp staff */
609 struct mlx5_qp_table qp_table
;
610 struct dentry
*qp_debugfs
;
611 struct dentry
*eq_debugfs
;
612 struct dentry
*cq_debugfs
;
613 struct dentry
*cmdif_debugfs
;
616 /* start: cq staff */
617 struct mlx5_cq_table cq_table
;
620 /* start: mkey staff */
621 struct mlx5_mkey_table mkey_table
;
622 /* end: mkey staff */
624 /* start: alloc staff */
625 /* protect buffer alocation according to numa node */
626 struct mutex alloc_mutex
;
629 struct mutex pgdir_mutex
;
630 struct list_head pgdir_list
;
631 /* end: alloc staff */
632 struct dentry
*dbg_root
;
634 /* protect mkey key part */
635 spinlock_t mkey_lock
;
638 struct list_head dev_list
;
639 struct list_head ctx_list
;
642 struct mlx5_flow_steering
*steering
;
643 struct mlx5_eswitch
*eswitch
;
644 struct mlx5_core_sriov sriov
;
645 struct mlx5_lag
*lag
;
646 unsigned long pci_dev_data
;
647 struct mlx5_fc_stats fc_stats
;
648 struct mlx5_rl_table rl_table
;
650 struct mlx5_port_module_event_stats pme_stats
;
652 #ifdef CONFIG_INFINIBAND_ON_DEMAND_PAGING
653 void (*pfault
)(struct mlx5_core_dev
*dev
,
655 struct mlx5_pagefault
*pfault
);
657 struct srcu_struct pfault_srcu
;
659 struct mlx5_bfreg_data bfregs
;
660 struct mlx5_uars_page
*uar
;
663 enum mlx5_device_state
{
664 MLX5_DEVICE_STATE_UP
,
665 MLX5_DEVICE_STATE_INTERNAL_ERROR
,
668 enum mlx5_interface_state
{
669 MLX5_INTERFACE_STATE_DOWN
= BIT(0),
670 MLX5_INTERFACE_STATE_UP
= BIT(1),
671 MLX5_INTERFACE_STATE_SHUTDOWN
= BIT(2),
674 enum mlx5_pci_status
{
675 MLX5_PCI_STATUS_DISABLED
,
676 MLX5_PCI_STATUS_ENABLED
,
679 enum mlx5_pagefault_type_flags
{
680 MLX5_PFAULT_REQUESTOR
= 1 << 0,
681 MLX5_PFAULT_WRITE
= 1 << 1,
682 MLX5_PFAULT_RDMA
= 1 << 2,
685 /* Contains the details of a pagefault. */
686 struct mlx5_pagefault
{
692 /* Initiator or send message responder pagefault details. */
694 /* Received packet size, only valid for responders. */
697 * Number of resource holding WQE, depends on type.
701 * WQE index. Refers to either the send queue or
702 * receive queue, according to event_subtype.
706 /* RDMA responder pagefault details */
710 * Received packet size, minimal size page fault
711 * resolution required for forward progress.
720 struct work_struct work
;
724 struct list_head tirs_list
;
728 struct mlx5e_resources
{
731 struct mlx5_core_mkey mkey
;
732 struct mlx5_sq_bfreg bfreg
;
735 struct mlx5_core_dev
{
736 struct pci_dev
*pdev
;
738 struct mutex pci_status_mutex
;
739 enum mlx5_pci_status pci_status
;
741 char board_id
[MLX5_BOARD_ID_LEN
];
743 struct mlx5_port_caps port_caps
[MLX5_MAX_PORTS
];
745 u32 hca_cur
[MLX5_CAP_NUM
][MLX5_UN_SZ_DW(hca_cap_union
)];
746 u32 hca_max
[MLX5_CAP_NUM
][MLX5_UN_SZ_DW(hca_cap_union
)];
747 u32 pcam
[MLX5_ST_SZ_DW(pcam_reg
)];
748 u32 mcam
[MLX5_ST_SZ_DW(mcam_reg
)];
750 phys_addr_t iseg_base
;
751 struct mlx5_init_seg __iomem
*iseg
;
752 enum mlx5_device_state state
;
753 /* sync interface state */
754 struct mutex intf_state_mutex
;
755 unsigned long intf_state
;
756 void (*event
) (struct mlx5_core_dev
*dev
,
757 enum mlx5_dev_event event
,
758 unsigned long param
);
759 struct mlx5_priv priv
;
760 struct mlx5_profile
*profile
;
763 struct mlx5e_resources mlx5e_res
;
764 #ifdef CONFIG_RFS_ACCEL
765 struct cpu_rmap
*rmap
;
772 struct mlx5_db_pgdir
*pgdir
;
773 struct mlx5_ib_user_db_page
*user_page
;
780 MLX5_COMP_EQ_SIZE
= 1024,
784 MLX5_PTYS_IB
= 1 << 0,
785 MLX5_PTYS_EN
= 1 << 2,
788 typedef void (*mlx5_cmd_cbk_t
)(int status
, void *context
);
791 MLX5_CMD_ENT_STATE_PENDING_COMP
,
794 struct mlx5_cmd_work_ent
{
796 struct mlx5_cmd_msg
*in
;
797 struct mlx5_cmd_msg
*out
;
800 mlx5_cmd_cbk_t callback
;
801 struct delayed_work cb_timeout_work
;
804 struct completion done
;
805 struct mlx5_cmd
*cmd
;
806 struct work_struct work
;
807 struct mlx5_cmd_layout
*lay
;
822 enum port_state_policy
{
823 MLX5_POLICY_DOWN
= 0,
825 MLX5_POLICY_FOLLOW
= 2,
826 MLX5_POLICY_INVALID
= 0xffffffff
829 enum phy_port_state
{
833 struct mlx5_hca_vport_context
{
838 enum port_state_policy policy
;
839 enum phy_port_state phys_state
;
840 enum ib_port_state vport_state
;
841 u8 port_physical_state
;
850 u8 init_type_reply
; /* bitmask: see ib spec 14.2.5.6 InitTypeReply */
855 u16 qkey_violation_counter
;
856 u16 pkey_violation_counter
;
860 static inline void *mlx5_buf_offset(struct mlx5_buf
*buf
, int offset
)
862 return buf
->direct
.buf
+ offset
;
865 extern struct workqueue_struct
*mlx5_core_wq
;
867 #define STRUCT_FIELD(header, field) \
868 .struct_offset_bytes = offsetof(struct ib_unpacked_ ## header, field), \
869 .struct_size_bytes = sizeof((struct ib_unpacked_ ## header *)0)->field
871 static inline struct mlx5_core_dev
*pci2mlx5_core_dev(struct pci_dev
*pdev
)
873 return pci_get_drvdata(pdev
);
876 extern struct dentry
*mlx5_debugfs_root
;
878 static inline u16
fw_rev_maj(struct mlx5_core_dev
*dev
)
880 return ioread32be(&dev
->iseg
->fw_rev
) & 0xffff;
883 static inline u16
fw_rev_min(struct mlx5_core_dev
*dev
)
885 return ioread32be(&dev
->iseg
->fw_rev
) >> 16;
888 static inline u16
fw_rev_sub(struct mlx5_core_dev
*dev
)
890 return ioread32be(&dev
->iseg
->cmdif_rev_fw_sub
) & 0xffff;
893 static inline u16
cmdif_rev(struct mlx5_core_dev
*dev
)
895 return ioread32be(&dev
->iseg
->cmdif_rev_fw_sub
) >> 16;
898 static inline void *mlx5_vzalloc(unsigned long size
)
900 return kvzalloc(size
, GFP_KERNEL
);
903 static inline u32
mlx5_base_mkey(const u32 key
)
905 return key
& 0xffffff00u
;
908 int mlx5_cmd_init(struct mlx5_core_dev
*dev
);
909 void mlx5_cmd_cleanup(struct mlx5_core_dev
*dev
);
910 void mlx5_cmd_use_events(struct mlx5_core_dev
*dev
);
911 void mlx5_cmd_use_polling(struct mlx5_core_dev
*dev
);
913 int mlx5_cmd_exec(struct mlx5_core_dev
*dev
, void *in
, int in_size
, void *out
,
915 int mlx5_cmd_exec_cb(struct mlx5_core_dev
*dev
, void *in
, int in_size
,
916 void *out
, int out_size
, mlx5_cmd_cbk_t callback
,
918 void mlx5_cmd_mbox_status(void *out
, u8
*status
, u32
*syndrome
);
920 int mlx5_core_get_caps(struct mlx5_core_dev
*dev
, enum mlx5_cap_type cap_type
);
921 int mlx5_cmd_alloc_uar(struct mlx5_core_dev
*dev
, u32
*uarn
);
922 int mlx5_cmd_free_uar(struct mlx5_core_dev
*dev
, u32 uarn
);
923 void mlx5_health_cleanup(struct mlx5_core_dev
*dev
);
924 int mlx5_health_init(struct mlx5_core_dev
*dev
);
925 void mlx5_start_health_poll(struct mlx5_core_dev
*dev
);
926 void mlx5_stop_health_poll(struct mlx5_core_dev
*dev
);
927 void mlx5_drain_health_wq(struct mlx5_core_dev
*dev
);
928 int mlx5_buf_alloc_node(struct mlx5_core_dev
*dev
, int size
,
929 struct mlx5_buf
*buf
, int node
);
930 int mlx5_buf_alloc(struct mlx5_core_dev
*dev
, int size
, struct mlx5_buf
*buf
);
931 void mlx5_buf_free(struct mlx5_core_dev
*dev
, struct mlx5_buf
*buf
);
932 int mlx5_frag_buf_alloc_node(struct mlx5_core_dev
*dev
, int size
,
933 struct mlx5_frag_buf
*buf
, int node
);
934 void mlx5_frag_buf_free(struct mlx5_core_dev
*dev
, struct mlx5_frag_buf
*buf
);
935 struct mlx5_cmd_mailbox
*mlx5_alloc_cmd_mailbox_chain(struct mlx5_core_dev
*dev
,
936 gfp_t flags
, int npages
);
937 void mlx5_free_cmd_mailbox_chain(struct mlx5_core_dev
*dev
,
938 struct mlx5_cmd_mailbox
*head
);
939 int mlx5_core_create_srq(struct mlx5_core_dev
*dev
, struct mlx5_core_srq
*srq
,
940 struct mlx5_srq_attr
*in
);
941 int mlx5_core_destroy_srq(struct mlx5_core_dev
*dev
, struct mlx5_core_srq
*srq
);
942 int mlx5_core_query_srq(struct mlx5_core_dev
*dev
, struct mlx5_core_srq
*srq
,
943 struct mlx5_srq_attr
*out
);
944 int mlx5_core_arm_srq(struct mlx5_core_dev
*dev
, struct mlx5_core_srq
*srq
,
945 u16 lwm
, int is_srq
);
946 void mlx5_init_mkey_table(struct mlx5_core_dev
*dev
);
947 void mlx5_cleanup_mkey_table(struct mlx5_core_dev
*dev
);
948 int mlx5_core_create_mkey_cb(struct mlx5_core_dev
*dev
,
949 struct mlx5_core_mkey
*mkey
,
951 u32
*out
, int outlen
,
952 mlx5_cmd_cbk_t callback
, void *context
);
953 int mlx5_core_create_mkey(struct mlx5_core_dev
*dev
,
954 struct mlx5_core_mkey
*mkey
,
956 int mlx5_core_destroy_mkey(struct mlx5_core_dev
*dev
,
957 struct mlx5_core_mkey
*mkey
);
958 int mlx5_core_query_mkey(struct mlx5_core_dev
*dev
, struct mlx5_core_mkey
*mkey
,
959 u32
*out
, int outlen
);
960 int mlx5_core_dump_fill_mkey(struct mlx5_core_dev
*dev
, struct mlx5_core_mkey
*_mkey
,
962 int mlx5_core_alloc_pd(struct mlx5_core_dev
*dev
, u32
*pdn
);
963 int mlx5_core_dealloc_pd(struct mlx5_core_dev
*dev
, u32 pdn
);
964 int mlx5_core_mad_ifc(struct mlx5_core_dev
*dev
, const void *inb
, void *outb
,
966 void mlx5_pagealloc_init(struct mlx5_core_dev
*dev
);
967 void mlx5_pagealloc_cleanup(struct mlx5_core_dev
*dev
);
968 int mlx5_pagealloc_start(struct mlx5_core_dev
*dev
);
969 void mlx5_pagealloc_stop(struct mlx5_core_dev
*dev
);
970 void mlx5_core_req_pages_handler(struct mlx5_core_dev
*dev
, u16 func_id
,
972 int mlx5_satisfy_startup_pages(struct mlx5_core_dev
*dev
, int boot
);
973 int mlx5_reclaim_startup_pages(struct mlx5_core_dev
*dev
);
974 void mlx5_register_debugfs(void);
975 void mlx5_unregister_debugfs(void);
976 int mlx5_eq_init(struct mlx5_core_dev
*dev
);
977 void mlx5_eq_cleanup(struct mlx5_core_dev
*dev
);
978 void mlx5_fill_page_array(struct mlx5_buf
*buf
, __be64
*pas
);
979 void mlx5_fill_page_frag_array(struct mlx5_frag_buf
*frag_buf
, __be64
*pas
);
980 void mlx5_cq_completion(struct mlx5_core_dev
*dev
, u32 cqn
);
981 void mlx5_rsc_event(struct mlx5_core_dev
*dev
, u32 rsn
, int event_type
);
982 void mlx5_srq_event(struct mlx5_core_dev
*dev
, u32 srqn
, int event_type
);
983 struct mlx5_core_srq
*mlx5_core_get_srq(struct mlx5_core_dev
*dev
, u32 srqn
);
984 void mlx5_cmd_comp_handler(struct mlx5_core_dev
*dev
, u64 vec
, bool forced
);
985 void mlx5_cq_event(struct mlx5_core_dev
*dev
, u32 cqn
, int event_type
);
986 int mlx5_create_map_eq(struct mlx5_core_dev
*dev
, struct mlx5_eq
*eq
, u8 vecidx
,
987 int nent
, u64 mask
, const char *name
,
988 enum mlx5_eq_type type
);
989 int mlx5_destroy_unmap_eq(struct mlx5_core_dev
*dev
, struct mlx5_eq
*eq
);
990 int mlx5_start_eqs(struct mlx5_core_dev
*dev
);
991 int mlx5_stop_eqs(struct mlx5_core_dev
*dev
);
992 int mlx5_vector2eqn(struct mlx5_core_dev
*dev
, int vector
, int *eqn
,
994 int mlx5_core_attach_mcg(struct mlx5_core_dev
*dev
, union ib_gid
*mgid
, u32 qpn
);
995 int mlx5_core_detach_mcg(struct mlx5_core_dev
*dev
, union ib_gid
*mgid
, u32 qpn
);
997 int mlx5_qp_debugfs_init(struct mlx5_core_dev
*dev
);
998 void mlx5_qp_debugfs_cleanup(struct mlx5_core_dev
*dev
);
999 int mlx5_core_access_reg(struct mlx5_core_dev
*dev
, void *data_in
,
1000 int size_in
, void *data_out
, int size_out
,
1001 u16 reg_num
, int arg
, int write
);
1003 int mlx5_debug_eq_add(struct mlx5_core_dev
*dev
, struct mlx5_eq
*eq
);
1004 void mlx5_debug_eq_remove(struct mlx5_core_dev
*dev
, struct mlx5_eq
*eq
);
1005 int mlx5_core_eq_query(struct mlx5_core_dev
*dev
, struct mlx5_eq
*eq
,
1006 u32
*out
, int outlen
);
1007 int mlx5_eq_debugfs_init(struct mlx5_core_dev
*dev
);
1008 void mlx5_eq_debugfs_cleanup(struct mlx5_core_dev
*dev
);
1009 int mlx5_cq_debugfs_init(struct mlx5_core_dev
*dev
);
1010 void mlx5_cq_debugfs_cleanup(struct mlx5_core_dev
*dev
);
1011 int mlx5_db_alloc(struct mlx5_core_dev
*dev
, struct mlx5_db
*db
);
1012 int mlx5_db_alloc_node(struct mlx5_core_dev
*dev
, struct mlx5_db
*db
,
1014 void mlx5_db_free(struct mlx5_core_dev
*dev
, struct mlx5_db
*db
);
1016 const char *mlx5_command_str(int command
);
1017 int mlx5_cmdif_debugfs_init(struct mlx5_core_dev
*dev
);
1018 void mlx5_cmdif_debugfs_cleanup(struct mlx5_core_dev
*dev
);
1019 int mlx5_core_create_psv(struct mlx5_core_dev
*dev
, u32 pdn
,
1020 int npsvs
, u32
*sig_index
);
1021 int mlx5_core_destroy_psv(struct mlx5_core_dev
*dev
, int psv_num
);
1022 void mlx5_core_put_rsc(struct mlx5_core_rsc_common
*common
);
1023 int mlx5_query_odp_caps(struct mlx5_core_dev
*dev
,
1024 struct mlx5_odp_caps
*odp_caps
);
1025 int mlx5_core_query_ib_ppcnt(struct mlx5_core_dev
*dev
,
1026 u8 port_num
, void *out
, size_t sz
);
1027 #ifdef CONFIG_INFINIBAND_ON_DEMAND_PAGING
1028 int mlx5_core_page_fault_resume(struct mlx5_core_dev
*dev
, u32 token
,
1029 u32 wq_num
, u8 type
, int error
);
1032 int mlx5_init_rl_table(struct mlx5_core_dev
*dev
);
1033 void mlx5_cleanup_rl_table(struct mlx5_core_dev
*dev
);
1034 int mlx5_rl_add_rate(struct mlx5_core_dev
*dev
, u32 rate
, u16
*index
);
1035 void mlx5_rl_remove_rate(struct mlx5_core_dev
*dev
, u32 rate
);
1036 bool mlx5_rl_is_in_range(struct mlx5_core_dev
*dev
, u32 rate
);
1037 int mlx5_alloc_bfreg(struct mlx5_core_dev
*mdev
, struct mlx5_sq_bfreg
*bfreg
,
1038 bool map_wc
, bool fast_path
);
1039 void mlx5_free_bfreg(struct mlx5_core_dev
*mdev
, struct mlx5_sq_bfreg
*bfreg
);
1041 static inline int fw_initializing(struct mlx5_core_dev
*dev
)
1043 return ioread32be(&dev
->iseg
->initializing
) >> 31;
1046 static inline u32
mlx5_mkey_to_idx(u32 mkey
)
1051 static inline u32
mlx5_idx_to_mkey(u32 mkey_idx
)
1053 return mkey_idx
<< 8;
1056 static inline u8
mlx5_mkey_variant(u32 mkey
)
1062 MLX5_PROF_MASK_QP_SIZE
= (u64
)1 << 0,
1063 MLX5_PROF_MASK_MR_CACHE
= (u64
)1 << 1,
1067 MAX_UMR_CACHE_ENTRY
= 20,
1068 MLX5_IMR_MTT_CACHE_ENTRY
,
1069 MLX5_IMR_KSM_CACHE_ENTRY
,
1070 MAX_MR_CACHE_ENTRIES
1074 MLX5_INTERFACE_PROTOCOL_IB
= 0,
1075 MLX5_INTERFACE_PROTOCOL_ETH
= 1,
1078 struct mlx5_interface
{
1079 void * (*add
)(struct mlx5_core_dev
*dev
);
1080 void (*remove
)(struct mlx5_core_dev
*dev
, void *context
);
1081 int (*attach
)(struct mlx5_core_dev
*dev
, void *context
);
1082 void (*detach
)(struct mlx5_core_dev
*dev
, void *context
);
1083 void (*event
)(struct mlx5_core_dev
*dev
, void *context
,
1084 enum mlx5_dev_event event
, unsigned long param
);
1085 void (*pfault
)(struct mlx5_core_dev
*dev
,
1087 struct mlx5_pagefault
*pfault
);
1088 void * (*get_dev
)(void *context
);
1090 struct list_head list
;
1093 void *mlx5_get_protocol_dev(struct mlx5_core_dev
*mdev
, int protocol
);
1094 int mlx5_register_interface(struct mlx5_interface
*intf
);
1095 void mlx5_unregister_interface(struct mlx5_interface
*intf
);
1096 int mlx5_core_query_vendor_id(struct mlx5_core_dev
*mdev
, u32
*vendor_id
);
1098 int mlx5_cmd_create_vport_lag(struct mlx5_core_dev
*dev
);
1099 int mlx5_cmd_destroy_vport_lag(struct mlx5_core_dev
*dev
);
1100 bool mlx5_lag_is_active(struct mlx5_core_dev
*dev
);
1101 struct net_device
*mlx5_lag_get_roce_netdev(struct mlx5_core_dev
*dev
);
1102 struct mlx5_uars_page
*mlx5_get_uars_page(struct mlx5_core_dev
*mdev
);
1103 void mlx5_put_uars_page(struct mlx5_core_dev
*mdev
, struct mlx5_uars_page
*up
);
1105 #ifndef CONFIG_MLX5_CORE_IPOIB
1107 struct net_device
*mlx5_rdma_netdev_alloc(struct mlx5_core_dev
*mdev
,
1108 struct ib_device
*ibdev
,
1110 void (*setup
)(struct net_device
*))
1112 return ERR_PTR(-EOPNOTSUPP
);
1115 static inline void mlx5_rdma_netdev_free(struct net_device
*netdev
) {}
1117 struct net_device
*mlx5_rdma_netdev_alloc(struct mlx5_core_dev
*mdev
,
1118 struct ib_device
*ibdev
,
1120 void (*setup
)(struct net_device
*));
1121 void mlx5_rdma_netdev_free(struct net_device
*netdev
);
1122 #endif /* CONFIG_MLX5_CORE_IPOIB */
1124 struct mlx5_profile
{
1130 } mr_cache
[MAX_MR_CACHE_ENTRIES
];
1134 MLX5_PCI_DEV_IS_VF
= 1 << 0,
1137 static inline int mlx5_core_is_pf(struct mlx5_core_dev
*dev
)
1139 return !(dev
->priv
.pci_dev_data
& MLX5_PCI_DEV_IS_VF
);
1142 static inline int mlx5_get_gid_table_len(u16 param
)
1145 pr_warn("gid table length is zero\n");
1149 return 8 * (1 << param
);
1152 static inline bool mlx5_rl_is_supported(struct mlx5_core_dev
*dev
)
1154 return !!(dev
->priv
.rl_table
.max_size
);
1158 MLX5_TRIGGERED_CMD_COMP
= (u64
)1 << 32,
1161 #endif /* MLX5_DRIVER_H */