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>
47 #include <linux/idr.h>
49 #include <linux/mlx5/device.h>
50 #include <linux/mlx5/doorbell.h>
51 #include <linux/mlx5/srq.h>
52 #include <linux/timecounter.h>
53 #include <linux/ptp_clock_kernel.h>
56 MLX5_BOARD_ID_LEN
= 64,
57 MLX5_MAX_NAME_LEN
= 16,
61 /* one minute for the sake of bringup. Generally, commands must always
62 * complete and we may need to increase this timeout value
64 MLX5_CMD_TIMEOUT_MSEC
= 60 * 1000,
65 MLX5_CMD_WQ_MAX_NAME
= 32,
71 CMD_STATUS_SUCCESS
= 0,
77 MLX5_SQP_IEEE_1588
= 2,
79 MLX5_SQP_SYNC_UMR
= 4,
87 MLX5_EQ_VEC_PAGES
= 0,
89 MLX5_EQ_VEC_ASYNC
= 2,
90 MLX5_EQ_VEC_PFAULT
= 3,
91 MLX5_EQ_VEC_COMP_BASE
,
95 MLX5_MAX_IRQ_NAME
= 32
99 MLX5_ATOMIC_MODE_IB_COMP
= 1 << 16,
100 MLX5_ATOMIC_MODE_CX
= 2 << 16,
101 MLX5_ATOMIC_MODE_8B
= 3 << 16,
102 MLX5_ATOMIC_MODE_16B
= 4 << 16,
103 MLX5_ATOMIC_MODE_32B
= 5 << 16,
104 MLX5_ATOMIC_MODE_64B
= 6 << 16,
105 MLX5_ATOMIC_MODE_128B
= 7 << 16,
106 MLX5_ATOMIC_MODE_256B
= 8 << 16,
110 MLX5_REG_QPTS
= 0x4002,
111 MLX5_REG_QETCR
= 0x4005,
112 MLX5_REG_QTCT
= 0x400a,
113 MLX5_REG_QPDPM
= 0x4013,
114 MLX5_REG_QCAM
= 0x4019,
115 MLX5_REG_DCBX_PARAM
= 0x4020,
116 MLX5_REG_DCBX_APP
= 0x4021,
117 MLX5_REG_FPGA_CAP
= 0x4022,
118 MLX5_REG_FPGA_CTRL
= 0x4023,
119 MLX5_REG_FPGA_ACCESS_REG
= 0x4024,
120 MLX5_REG_PCAP
= 0x5001,
121 MLX5_REG_PMTU
= 0x5003,
122 MLX5_REG_PTYS
= 0x5004,
123 MLX5_REG_PAOS
= 0x5006,
124 MLX5_REG_PFCC
= 0x5007,
125 MLX5_REG_PPCNT
= 0x5008,
126 MLX5_REG_PMAOS
= 0x5012,
127 MLX5_REG_PUDE
= 0x5009,
128 MLX5_REG_PMPE
= 0x5010,
129 MLX5_REG_PELC
= 0x500e,
130 MLX5_REG_PVLC
= 0x500f,
131 MLX5_REG_PCMR
= 0x5041,
132 MLX5_REG_PMLP
= 0x5002,
133 MLX5_REG_PCAM
= 0x507f,
134 MLX5_REG_NODE_DESC
= 0x6001,
135 MLX5_REG_HOST_ENDIANNESS
= 0x7004,
136 MLX5_REG_MCIA
= 0x9014,
137 MLX5_REG_MLCR
= 0x902b,
138 MLX5_REG_MPCNT
= 0x9051,
139 MLX5_REG_MTPPS
= 0x9053,
140 MLX5_REG_MTPPSE
= 0x9054,
141 MLX5_REG_MCQI
= 0x9061,
142 MLX5_REG_MCC
= 0x9062,
143 MLX5_REG_MCDA
= 0x9063,
144 MLX5_REG_MCAM
= 0x907f,
147 enum mlx5_qpts_trust_state
{
148 MLX5_QPTS_TRUST_PCP
= 1,
149 MLX5_QPTS_TRUST_DSCP
= 2,
152 enum mlx5_dcbx_oper_mode
{
153 MLX5E_DCBX_PARAM_VER_OPER_HOST
= 0x0,
154 MLX5E_DCBX_PARAM_VER_OPER_AUTO
= 0x3,
158 MLX5_ATOMIC_OPS_CMP_SWAP
= 1 << 0,
159 MLX5_ATOMIC_OPS_FETCH_ADD
= 1 << 1,
162 enum mlx5_page_fault_resume_flags
{
163 MLX5_PAGE_FAULT_RESUME_REQUESTOR
= 1 << 0,
164 MLX5_PAGE_FAULT_RESUME_WRITE
= 1 << 1,
165 MLX5_PAGE_FAULT_RESUME_RDMA
= 1 << 2,
166 MLX5_PAGE_FAULT_RESUME_ERROR
= 1 << 7,
175 enum port_state_policy
{
176 MLX5_POLICY_DOWN
= 0,
178 MLX5_POLICY_FOLLOW
= 2,
179 MLX5_POLICY_INVALID
= 0xffffffff
182 struct mlx5_field_desc
{
187 struct mlx5_rsc_debug
{
188 struct mlx5_core_dev
*dev
;
190 enum dbg_rsc_type type
;
192 struct mlx5_field_desc fields
[0];
195 enum mlx5_dev_event
{
196 MLX5_DEV_EVENT_SYS_ERROR
,
197 MLX5_DEV_EVENT_PORT_UP
,
198 MLX5_DEV_EVENT_PORT_DOWN
,
199 MLX5_DEV_EVENT_PORT_INITIALIZED
,
200 MLX5_DEV_EVENT_LID_CHANGE
,
201 MLX5_DEV_EVENT_PKEY_CHANGE
,
202 MLX5_DEV_EVENT_GUID_CHANGE
,
203 MLX5_DEV_EVENT_CLIENT_REREG
,
205 MLX5_DEV_EVENT_DELAY_DROP_TIMEOUT
,
208 enum mlx5_port_status
{
216 #ifdef CONFIG_INFINIBAND_ON_DEMAND_PAGING
221 struct mlx5_bfreg_info
{
223 int num_low_latency_bfregs
;
227 * protect bfreg allocation data structs
235 struct mlx5_cmd_first
{
239 struct mlx5_cmd_msg
{
240 struct list_head list
;
241 struct cmd_msg_cache
*parent
;
243 struct mlx5_cmd_first first
;
244 struct mlx5_cmd_mailbox
*next
;
247 struct mlx5_cmd_debug
{
248 struct dentry
*dbg_root
;
249 struct dentry
*dbg_in
;
250 struct dentry
*dbg_out
;
251 struct dentry
*dbg_outlen
;
252 struct dentry
*dbg_status
;
253 struct dentry
*dbg_run
;
261 struct cmd_msg_cache
{
262 /* protect block chain allocations
265 struct list_head head
;
266 unsigned int max_inbox_size
;
267 unsigned int num_ent
;
271 MLX5_NUM_COMMAND_CACHES
= 5,
274 struct mlx5_cmd_stats
{
279 struct dentry
*count
;
280 /* protect command average calculations */
286 dma_addr_t alloc_dma
;
297 /* protect command queue allocations
299 spinlock_t alloc_lock
;
301 /* protect token allocations
303 spinlock_t token_lock
;
305 unsigned long bitmask
;
306 char wq_name
[MLX5_CMD_WQ_MAX_NAME
];
307 struct workqueue_struct
*wq
;
308 struct semaphore sem
;
309 struct semaphore pages_sem
;
311 struct mlx5_cmd_work_ent
*ent_arr
[MLX5_MAX_COMMANDS
];
312 struct dma_pool
*pool
;
313 struct mlx5_cmd_debug dbg
;
314 struct cmd_msg_cache cache
[MLX5_NUM_COMMAND_CACHES
];
315 int checksum_disabled
;
316 struct mlx5_cmd_stats stats
[MLX5_CMD_OP_MAX
];
319 struct mlx5_port_caps
{
326 struct mlx5_cmd_mailbox
{
329 struct mlx5_cmd_mailbox
*next
;
332 struct mlx5_buf_list
{
338 struct mlx5_buf_list direct
;
344 struct mlx5_frag_buf
{
345 struct mlx5_buf_list
*frags
;
351 struct mlx5_eq_tasklet
{
352 struct list_head list
;
353 struct list_head process_list
;
354 struct tasklet_struct task
;
355 /* lock on completion tasklet list */
359 struct mlx5_eq_pagefault
{
360 struct work_struct work
;
361 /* Pagefaults lock */
363 struct workqueue_struct
*wq
;
368 struct mlx5_core_dev
*dev
;
369 __be32 __iomem
*doorbell
;
377 struct list_head list
;
379 struct mlx5_rsc_debug
*dbg
;
380 enum mlx5_eq_type type
;
382 struct mlx5_eq_tasklet tasklet_ctx
;
383 #ifdef CONFIG_INFINIBAND_ON_DEMAND_PAGING
384 struct mlx5_eq_pagefault pf_ctx
;
389 struct mlx5_core_psv
{
401 struct mlx5_core_sig_ctx
{
402 struct mlx5_core_psv psv_memory
;
403 struct mlx5_core_psv psv_wire
;
404 struct ib_sig_err err_item
;
405 bool sig_status_checked
;
415 struct mlx5_core_mkey
{
423 #define MLX5_24BIT_MASK ((1 << 24) - 1)
426 MLX5_RES_QP
= MLX5_EVENT_QUEUE_TYPE_QP
,
427 MLX5_RES_RQ
= MLX5_EVENT_QUEUE_TYPE_RQ
,
428 MLX5_RES_SQ
= MLX5_EVENT_QUEUE_TYPE_SQ
,
434 struct mlx5_core_rsc_common
{
435 enum mlx5_res_type res
;
437 struct completion free
;
440 struct mlx5_core_srq
{
441 struct mlx5_core_rsc_common common
; /* must be first */
445 int max_avail_gather
;
447 void (*event
) (struct mlx5_core_srq
*, enum mlx5_event
);
450 struct completion free
;
453 struct mlx5_eq_table
{
454 void __iomem
*update_ci
;
455 void __iomem
*update_arm_ci
;
456 struct list_head comp_eqs_list
;
457 struct mlx5_eq pages_eq
;
458 struct mlx5_eq async_eq
;
459 struct mlx5_eq cmd_eq
;
460 #ifdef CONFIG_INFINIBAND_ON_DEMAND_PAGING
461 struct mlx5_eq pfault_eq
;
463 int num_comp_vectors
;
469 struct mlx5_uars_page
{
473 struct list_head list
;
475 unsigned long *reg_bitmap
; /* for non fast path bf regs */
476 unsigned long *fp_bitmap
;
477 unsigned int reg_avail
;
478 unsigned int fp_avail
;
479 struct kref ref_count
;
480 struct mlx5_core_dev
*mdev
;
483 struct mlx5_bfreg_head
{
484 /* protect blue flame registers allocations */
486 struct list_head list
;
489 struct mlx5_bfreg_data
{
490 struct mlx5_bfreg_head reg_head
;
491 struct mlx5_bfreg_head wc_head
;
494 struct mlx5_sq_bfreg
{
496 struct mlx5_uars_page
*up
;
502 struct mlx5_core_health
{
503 struct health_buffer __iomem
*health
;
504 __be32 __iomem
*health_counter
;
505 struct timer_list timer
;
509 /* wq spinlock to synchronize draining */
511 struct workqueue_struct
*wq
;
513 struct work_struct work
;
514 struct delayed_work recover_work
;
517 struct mlx5_cq_table
{
518 /* protect radix tree
521 struct radix_tree_root tree
;
524 struct mlx5_qp_table
{
525 /* protect radix tree
528 struct radix_tree_root tree
;
531 struct mlx5_srq_table
{
532 /* protect radix tree
535 struct radix_tree_root tree
;
538 struct mlx5_mkey_table
{
539 /* protect radix tree
542 struct radix_tree_root tree
;
545 struct mlx5_vf_context
{
549 enum port_state_policy policy
;
552 struct mlx5_core_sriov
{
553 struct mlx5_vf_context
*vfs_ctx
;
558 struct mlx5_irq_info
{
560 char name
[MLX5_MAX_IRQ_NAME
];
563 struct mlx5_fc_stats
{
564 struct rb_root counters
;
565 struct list_head addlist
;
566 /* protect addlist add/splice operations */
567 spinlock_t addlist_lock
;
569 struct workqueue_struct
*wq
;
570 struct delayed_work work
;
571 unsigned long next_query
;
572 unsigned long sampling_interval
; /* jiffies */
578 struct mlx5_pagefault
;
580 struct mlx5_rl_entry
{
586 struct mlx5_rl_table
{
587 /* protect rate limit table */
588 struct mutex rl_lock
;
592 struct mlx5_rl_entry
*rl_entry
;
595 enum port_module_event_status_type
{
596 MLX5_MODULE_STATUS_PLUGGED
= 0x1,
597 MLX5_MODULE_STATUS_UNPLUGGED
= 0x2,
598 MLX5_MODULE_STATUS_ERROR
= 0x3,
599 MLX5_MODULE_STATUS_NUM
= 0x3,
602 enum port_module_event_error_type
{
603 MLX5_MODULE_EVENT_ERROR_POWER_BUDGET_EXCEEDED
,
604 MLX5_MODULE_EVENT_ERROR_LONG_RANGE_FOR_NON_MLNX_CABLE_MODULE
,
605 MLX5_MODULE_EVENT_ERROR_BUS_STUCK
,
606 MLX5_MODULE_EVENT_ERROR_NO_EEPROM_RETRY_TIMEOUT
,
607 MLX5_MODULE_EVENT_ERROR_ENFORCE_PART_NUMBER_LIST
,
608 MLX5_MODULE_EVENT_ERROR_UNKNOWN_IDENTIFIER
,
609 MLX5_MODULE_EVENT_ERROR_HIGH_TEMPERATURE
,
610 MLX5_MODULE_EVENT_ERROR_BAD_CABLE
,
611 MLX5_MODULE_EVENT_ERROR_UNKNOWN
,
612 MLX5_MODULE_EVENT_ERROR_NUM
,
615 struct mlx5_port_module_event_stats
{
616 u64 status_counters
[MLX5_MODULE_STATUS_NUM
];
617 u64 error_counters
[MLX5_MODULE_EVENT_ERROR_NUM
];
621 char name
[MLX5_MAX_NAME_LEN
];
622 struct mlx5_eq_table eq_table
;
623 struct mlx5_irq_info
*irq_info
;
626 struct workqueue_struct
*pg_wq
;
627 struct rb_root page_root
;
630 struct list_head free_list
;
633 struct mlx5_core_health health
;
635 struct mlx5_srq_table srq_table
;
637 /* start: qp staff */
638 struct mlx5_qp_table qp_table
;
639 struct dentry
*qp_debugfs
;
640 struct dentry
*eq_debugfs
;
641 struct dentry
*cq_debugfs
;
642 struct dentry
*cmdif_debugfs
;
645 /* start: cq staff */
646 struct mlx5_cq_table cq_table
;
649 /* start: mkey staff */
650 struct mlx5_mkey_table mkey_table
;
651 /* end: mkey staff */
653 /* start: alloc staff */
654 /* protect buffer alocation according to numa node */
655 struct mutex alloc_mutex
;
658 struct mutex pgdir_mutex
;
659 struct list_head pgdir_list
;
660 /* end: alloc staff */
661 struct dentry
*dbg_root
;
663 /* protect mkey key part */
664 spinlock_t mkey_lock
;
667 struct list_head dev_list
;
668 struct list_head ctx_list
;
671 struct list_head waiting_events_list
;
672 bool is_accum_events
;
674 struct mlx5_flow_steering
*steering
;
675 struct mlx5_mpfs
*mpfs
;
676 struct mlx5_eswitch
*eswitch
;
677 struct mlx5_core_sriov sriov
;
678 struct mlx5_lag
*lag
;
679 unsigned long pci_dev_data
;
680 struct mlx5_fc_stats fc_stats
;
681 struct mlx5_rl_table rl_table
;
683 struct mlx5_port_module_event_stats pme_stats
;
685 #ifdef CONFIG_INFINIBAND_ON_DEMAND_PAGING
686 void (*pfault
)(struct mlx5_core_dev
*dev
,
688 struct mlx5_pagefault
*pfault
);
690 struct srcu_struct pfault_srcu
;
692 struct mlx5_bfreg_data bfregs
;
693 struct mlx5_uars_page
*uar
;
696 enum mlx5_device_state
{
697 MLX5_DEVICE_STATE_UP
,
698 MLX5_DEVICE_STATE_INTERNAL_ERROR
,
701 enum mlx5_interface_state
{
702 MLX5_INTERFACE_STATE_UP
= BIT(0),
705 enum mlx5_pci_status
{
706 MLX5_PCI_STATUS_DISABLED
,
707 MLX5_PCI_STATUS_ENABLED
,
710 enum mlx5_pagefault_type_flags
{
711 MLX5_PFAULT_REQUESTOR
= 1 << 0,
712 MLX5_PFAULT_WRITE
= 1 << 1,
713 MLX5_PFAULT_RDMA
= 1 << 2,
716 /* Contains the details of a pagefault. */
717 struct mlx5_pagefault
{
723 /* Initiator or send message responder pagefault details. */
725 /* Received packet size, only valid for responders. */
728 * Number of resource holding WQE, depends on type.
732 * WQE index. Refers to either the send queue or
733 * receive queue, according to event_subtype.
737 /* RDMA responder pagefault details */
741 * Received packet size, minimal size page fault
742 * resolution required for forward progress.
751 struct work_struct work
;
755 struct list_head tirs_list
;
759 struct mlx5e_resources
{
762 struct mlx5_core_mkey mkey
;
763 struct mlx5_sq_bfreg bfreg
;
766 #define MLX5_MAX_RESERVED_GIDS 8
768 struct mlx5_rsvd_gids
{
774 #define MAX_PIN_NUM 8
776 u8 pin_caps
[MAX_PIN_NUM
];
777 struct work_struct out_work
;
778 u64 start
[MAX_PIN_NUM
];
784 struct cyclecounter cycles
;
785 struct timecounter tc
;
786 struct hwtstamp_config hwtstamp_config
;
788 unsigned long overflow_period
;
789 struct delayed_work overflow_work
;
790 struct ptp_clock
*ptp
;
791 struct ptp_clock_info ptp_info
;
792 struct mlx5_pps pps_info
;
795 struct mlx5_core_dev
{
796 struct pci_dev
*pdev
;
798 struct mutex pci_status_mutex
;
799 enum mlx5_pci_status pci_status
;
801 char board_id
[MLX5_BOARD_ID_LEN
];
803 struct mlx5_port_caps port_caps
[MLX5_MAX_PORTS
];
805 u32 hca_cur
[MLX5_CAP_NUM
][MLX5_UN_SZ_DW(hca_cap_union
)];
806 u32 hca_max
[MLX5_CAP_NUM
][MLX5_UN_SZ_DW(hca_cap_union
)];
807 u32 pcam
[MLX5_ST_SZ_DW(pcam_reg
)];
808 u32 mcam
[MLX5_ST_SZ_DW(mcam_reg
)];
809 u32 fpga
[MLX5_ST_SZ_DW(fpga_cap
)];
810 u32 qcam
[MLX5_ST_SZ_DW(qcam_reg
)];
812 phys_addr_t iseg_base
;
813 struct mlx5_init_seg __iomem
*iseg
;
814 enum mlx5_device_state state
;
815 /* sync interface state */
816 struct mutex intf_state_mutex
;
817 unsigned long intf_state
;
818 void (*event
) (struct mlx5_core_dev
*dev
,
819 enum mlx5_dev_event event
,
820 unsigned long param
);
821 struct mlx5_priv priv
;
822 struct mlx5_profile
*profile
;
825 struct mlx5e_resources mlx5e_res
;
827 struct mlx5_rsvd_gids reserved_gids
;
830 #ifdef CONFIG_MLX5_FPGA
831 struct mlx5_fpga_device
*fpga
;
833 #ifdef CONFIG_RFS_ACCEL
834 struct cpu_rmap
*rmap
;
836 struct mlx5_clock clock
;
842 struct mlx5_db_pgdir
*pgdir
;
843 struct mlx5_ib_user_db_page
*user_page
;
850 MLX5_COMP_EQ_SIZE
= 1024,
854 MLX5_PTYS_IB
= 1 << 0,
855 MLX5_PTYS_EN
= 1 << 2,
858 typedef void (*mlx5_cmd_cbk_t
)(int status
, void *context
);
861 MLX5_CMD_ENT_STATE_PENDING_COMP
,
864 struct mlx5_cmd_work_ent
{
866 struct mlx5_cmd_msg
*in
;
867 struct mlx5_cmd_msg
*out
;
870 mlx5_cmd_cbk_t callback
;
871 struct delayed_work cb_timeout_work
;
874 struct completion done
;
875 struct mlx5_cmd
*cmd
;
876 struct work_struct work
;
877 struct mlx5_cmd_layout
*lay
;
893 enum phy_port_state
{
897 struct mlx5_hca_vport_context
{
902 enum port_state_policy policy
;
903 enum phy_port_state phys_state
;
904 enum ib_port_state vport_state
;
905 u8 port_physical_state
;
914 u8 init_type_reply
; /* bitmask: see ib spec 14.2.5.6 InitTypeReply */
919 u16 qkey_violation_counter
;
920 u16 pkey_violation_counter
;
924 static inline void *mlx5_buf_offset(struct mlx5_buf
*buf
, int offset
)
926 return buf
->direct
.buf
+ offset
;
929 #define STRUCT_FIELD(header, field) \
930 .struct_offset_bytes = offsetof(struct ib_unpacked_ ## header, field), \
931 .struct_size_bytes = sizeof((struct ib_unpacked_ ## header *)0)->field
933 static inline struct mlx5_core_dev
*pci2mlx5_core_dev(struct pci_dev
*pdev
)
935 return pci_get_drvdata(pdev
);
938 extern struct dentry
*mlx5_debugfs_root
;
940 static inline u16
fw_rev_maj(struct mlx5_core_dev
*dev
)
942 return ioread32be(&dev
->iseg
->fw_rev
) & 0xffff;
945 static inline u16
fw_rev_min(struct mlx5_core_dev
*dev
)
947 return ioread32be(&dev
->iseg
->fw_rev
) >> 16;
950 static inline u16
fw_rev_sub(struct mlx5_core_dev
*dev
)
952 return ioread32be(&dev
->iseg
->cmdif_rev_fw_sub
) & 0xffff;
955 static inline u16
cmdif_rev(struct mlx5_core_dev
*dev
)
957 return ioread32be(&dev
->iseg
->cmdif_rev_fw_sub
) >> 16;
960 static inline u32
mlx5_base_mkey(const u32 key
)
962 return key
& 0xffffff00u
;
965 int mlx5_cmd_init(struct mlx5_core_dev
*dev
);
966 void mlx5_cmd_cleanup(struct mlx5_core_dev
*dev
);
967 void mlx5_cmd_use_events(struct mlx5_core_dev
*dev
);
968 void mlx5_cmd_use_polling(struct mlx5_core_dev
*dev
);
970 int mlx5_cmd_exec(struct mlx5_core_dev
*dev
, void *in
, int in_size
, void *out
,
972 int mlx5_cmd_exec_cb(struct mlx5_core_dev
*dev
, void *in
, int in_size
,
973 void *out
, int out_size
, mlx5_cmd_cbk_t callback
,
975 int mlx5_cmd_exec_polling(struct mlx5_core_dev
*dev
, void *in
, int in_size
,
976 void *out
, int out_size
);
977 void mlx5_cmd_mbox_status(void *out
, u8
*status
, u32
*syndrome
);
979 int mlx5_core_get_caps(struct mlx5_core_dev
*dev
, enum mlx5_cap_type cap_type
);
980 int mlx5_cmd_alloc_uar(struct mlx5_core_dev
*dev
, u32
*uarn
);
981 int mlx5_cmd_free_uar(struct mlx5_core_dev
*dev
, u32 uarn
);
982 void mlx5_health_cleanup(struct mlx5_core_dev
*dev
);
983 int mlx5_health_init(struct mlx5_core_dev
*dev
);
984 void mlx5_start_health_poll(struct mlx5_core_dev
*dev
);
985 void mlx5_stop_health_poll(struct mlx5_core_dev
*dev
);
986 void mlx5_drain_health_wq(struct mlx5_core_dev
*dev
);
987 void mlx5_trigger_health_work(struct mlx5_core_dev
*dev
);
988 void mlx5_drain_health_recovery(struct mlx5_core_dev
*dev
);
989 int mlx5_buf_alloc_node(struct mlx5_core_dev
*dev
, int size
,
990 struct mlx5_buf
*buf
, int node
);
991 int mlx5_buf_alloc(struct mlx5_core_dev
*dev
, int size
, struct mlx5_buf
*buf
);
992 void mlx5_buf_free(struct mlx5_core_dev
*dev
, struct mlx5_buf
*buf
);
993 int mlx5_frag_buf_alloc_node(struct mlx5_core_dev
*dev
, int size
,
994 struct mlx5_frag_buf
*buf
, int node
);
995 void mlx5_frag_buf_free(struct mlx5_core_dev
*dev
, struct mlx5_frag_buf
*buf
);
996 struct mlx5_cmd_mailbox
*mlx5_alloc_cmd_mailbox_chain(struct mlx5_core_dev
*dev
,
997 gfp_t flags
, int npages
);
998 void mlx5_free_cmd_mailbox_chain(struct mlx5_core_dev
*dev
,
999 struct mlx5_cmd_mailbox
*head
);
1000 int mlx5_core_create_srq(struct mlx5_core_dev
*dev
, struct mlx5_core_srq
*srq
,
1001 struct mlx5_srq_attr
*in
);
1002 int mlx5_core_destroy_srq(struct mlx5_core_dev
*dev
, struct mlx5_core_srq
*srq
);
1003 int mlx5_core_query_srq(struct mlx5_core_dev
*dev
, struct mlx5_core_srq
*srq
,
1004 struct mlx5_srq_attr
*out
);
1005 int mlx5_core_arm_srq(struct mlx5_core_dev
*dev
, struct mlx5_core_srq
*srq
,
1006 u16 lwm
, int is_srq
);
1007 void mlx5_init_mkey_table(struct mlx5_core_dev
*dev
);
1008 void mlx5_cleanup_mkey_table(struct mlx5_core_dev
*dev
);
1009 int mlx5_core_create_mkey_cb(struct mlx5_core_dev
*dev
,
1010 struct mlx5_core_mkey
*mkey
,
1012 u32
*out
, int outlen
,
1013 mlx5_cmd_cbk_t callback
, void *context
);
1014 int mlx5_core_create_mkey(struct mlx5_core_dev
*dev
,
1015 struct mlx5_core_mkey
*mkey
,
1016 u32
*in
, int inlen
);
1017 int mlx5_core_destroy_mkey(struct mlx5_core_dev
*dev
,
1018 struct mlx5_core_mkey
*mkey
);
1019 int mlx5_core_query_mkey(struct mlx5_core_dev
*dev
, struct mlx5_core_mkey
*mkey
,
1020 u32
*out
, int outlen
);
1021 int mlx5_core_dump_fill_mkey(struct mlx5_core_dev
*dev
, struct mlx5_core_mkey
*_mkey
,
1023 int mlx5_core_alloc_pd(struct mlx5_core_dev
*dev
, u32
*pdn
);
1024 int mlx5_core_dealloc_pd(struct mlx5_core_dev
*dev
, u32 pdn
);
1025 int mlx5_core_mad_ifc(struct mlx5_core_dev
*dev
, const void *inb
, void *outb
,
1026 u16 opmod
, u8 port
);
1027 void mlx5_pagealloc_init(struct mlx5_core_dev
*dev
);
1028 void mlx5_pagealloc_cleanup(struct mlx5_core_dev
*dev
);
1029 int mlx5_pagealloc_start(struct mlx5_core_dev
*dev
);
1030 void mlx5_pagealloc_stop(struct mlx5_core_dev
*dev
);
1031 void mlx5_core_req_pages_handler(struct mlx5_core_dev
*dev
, u16 func_id
,
1033 int mlx5_satisfy_startup_pages(struct mlx5_core_dev
*dev
, int boot
);
1034 int mlx5_reclaim_startup_pages(struct mlx5_core_dev
*dev
);
1035 void mlx5_register_debugfs(void);
1036 void mlx5_unregister_debugfs(void);
1037 int mlx5_eq_init(struct mlx5_core_dev
*dev
);
1038 void mlx5_eq_cleanup(struct mlx5_core_dev
*dev
);
1039 void mlx5_fill_page_array(struct mlx5_buf
*buf
, __be64
*pas
);
1040 void mlx5_fill_page_frag_array(struct mlx5_frag_buf
*frag_buf
, __be64
*pas
);
1041 void mlx5_cq_completion(struct mlx5_core_dev
*dev
, u32 cqn
);
1042 void mlx5_rsc_event(struct mlx5_core_dev
*dev
, u32 rsn
, int event_type
);
1043 void mlx5_srq_event(struct mlx5_core_dev
*dev
, u32 srqn
, int event_type
);
1044 struct mlx5_core_srq
*mlx5_core_get_srq(struct mlx5_core_dev
*dev
, u32 srqn
);
1045 void mlx5_cmd_comp_handler(struct mlx5_core_dev
*dev
, u64 vec
, bool forced
);
1046 void mlx5_cq_event(struct mlx5_core_dev
*dev
, u32 cqn
, int event_type
);
1047 int mlx5_create_map_eq(struct mlx5_core_dev
*dev
, struct mlx5_eq
*eq
, u8 vecidx
,
1048 int nent
, u64 mask
, const char *name
,
1049 enum mlx5_eq_type type
);
1050 int mlx5_destroy_unmap_eq(struct mlx5_core_dev
*dev
, struct mlx5_eq
*eq
);
1051 int mlx5_start_eqs(struct mlx5_core_dev
*dev
);
1052 void mlx5_stop_eqs(struct mlx5_core_dev
*dev
);
1053 int mlx5_vector2eqn(struct mlx5_core_dev
*dev
, int vector
, int *eqn
,
1054 unsigned int *irqn
);
1055 int mlx5_core_attach_mcg(struct mlx5_core_dev
*dev
, union ib_gid
*mgid
, u32 qpn
);
1056 int mlx5_core_detach_mcg(struct mlx5_core_dev
*dev
, union ib_gid
*mgid
, u32 qpn
);
1058 int mlx5_qp_debugfs_init(struct mlx5_core_dev
*dev
);
1059 void mlx5_qp_debugfs_cleanup(struct mlx5_core_dev
*dev
);
1060 int mlx5_core_access_reg(struct mlx5_core_dev
*dev
, void *data_in
,
1061 int size_in
, void *data_out
, int size_out
,
1062 u16 reg_num
, int arg
, int write
);
1064 int mlx5_debug_eq_add(struct mlx5_core_dev
*dev
, struct mlx5_eq
*eq
);
1065 void mlx5_debug_eq_remove(struct mlx5_core_dev
*dev
, struct mlx5_eq
*eq
);
1066 int mlx5_core_eq_query(struct mlx5_core_dev
*dev
, struct mlx5_eq
*eq
,
1067 u32
*out
, int outlen
);
1068 int mlx5_eq_debugfs_init(struct mlx5_core_dev
*dev
);
1069 void mlx5_eq_debugfs_cleanup(struct mlx5_core_dev
*dev
);
1070 int mlx5_cq_debugfs_init(struct mlx5_core_dev
*dev
);
1071 void mlx5_cq_debugfs_cleanup(struct mlx5_core_dev
*dev
);
1072 int mlx5_db_alloc(struct mlx5_core_dev
*dev
, struct mlx5_db
*db
);
1073 int mlx5_db_alloc_node(struct mlx5_core_dev
*dev
, struct mlx5_db
*db
,
1075 void mlx5_db_free(struct mlx5_core_dev
*dev
, struct mlx5_db
*db
);
1077 const char *mlx5_command_str(int command
);
1078 int mlx5_cmdif_debugfs_init(struct mlx5_core_dev
*dev
);
1079 void mlx5_cmdif_debugfs_cleanup(struct mlx5_core_dev
*dev
);
1080 int mlx5_core_create_psv(struct mlx5_core_dev
*dev
, u32 pdn
,
1081 int npsvs
, u32
*sig_index
);
1082 int mlx5_core_destroy_psv(struct mlx5_core_dev
*dev
, int psv_num
);
1083 void mlx5_core_put_rsc(struct mlx5_core_rsc_common
*common
);
1084 int mlx5_query_odp_caps(struct mlx5_core_dev
*dev
,
1085 struct mlx5_odp_caps
*odp_caps
);
1086 int mlx5_core_query_ib_ppcnt(struct mlx5_core_dev
*dev
,
1087 u8 port_num
, void *out
, size_t sz
);
1088 #ifdef CONFIG_INFINIBAND_ON_DEMAND_PAGING
1089 int mlx5_core_page_fault_resume(struct mlx5_core_dev
*dev
, u32 token
,
1090 u32 wq_num
, u8 type
, int error
);
1093 int mlx5_init_rl_table(struct mlx5_core_dev
*dev
);
1094 void mlx5_cleanup_rl_table(struct mlx5_core_dev
*dev
);
1095 int mlx5_rl_add_rate(struct mlx5_core_dev
*dev
, u32 rate
, u16
*index
);
1096 void mlx5_rl_remove_rate(struct mlx5_core_dev
*dev
, u32 rate
);
1097 bool mlx5_rl_is_in_range(struct mlx5_core_dev
*dev
, u32 rate
);
1098 int mlx5_alloc_bfreg(struct mlx5_core_dev
*mdev
, struct mlx5_sq_bfreg
*bfreg
,
1099 bool map_wc
, bool fast_path
);
1100 void mlx5_free_bfreg(struct mlx5_core_dev
*mdev
, struct mlx5_sq_bfreg
*bfreg
);
1102 unsigned int mlx5_core_reserved_gids_count(struct mlx5_core_dev
*dev
);
1103 int mlx5_core_roce_gid_set(struct mlx5_core_dev
*dev
, unsigned int index
,
1104 u8 roce_version
, u8 roce_l3_type
, const u8
*gid
,
1105 const u8
*mac
, bool vlan
, u16 vlan_id
);
1107 static inline int fw_initializing(struct mlx5_core_dev
*dev
)
1109 return ioread32be(&dev
->iseg
->initializing
) >> 31;
1112 static inline u32
mlx5_mkey_to_idx(u32 mkey
)
1117 static inline u32
mlx5_idx_to_mkey(u32 mkey_idx
)
1119 return mkey_idx
<< 8;
1122 static inline u8
mlx5_mkey_variant(u32 mkey
)
1128 MLX5_PROF_MASK_QP_SIZE
= (u64
)1 << 0,
1129 MLX5_PROF_MASK_MR_CACHE
= (u64
)1 << 1,
1133 MR_CACHE_LAST_STD_ENTRY
= 20,
1134 MLX5_IMR_MTT_CACHE_ENTRY
,
1135 MLX5_IMR_KSM_CACHE_ENTRY
,
1136 MAX_MR_CACHE_ENTRIES
1140 MLX5_INTERFACE_PROTOCOL_IB
= 0,
1141 MLX5_INTERFACE_PROTOCOL_ETH
= 1,
1144 struct mlx5_interface
{
1145 void * (*add
)(struct mlx5_core_dev
*dev
);
1146 void (*remove
)(struct mlx5_core_dev
*dev
, void *context
);
1147 int (*attach
)(struct mlx5_core_dev
*dev
, void *context
);
1148 void (*detach
)(struct mlx5_core_dev
*dev
, void *context
);
1149 void (*event
)(struct mlx5_core_dev
*dev
, void *context
,
1150 enum mlx5_dev_event event
, unsigned long param
);
1151 void (*pfault
)(struct mlx5_core_dev
*dev
,
1153 struct mlx5_pagefault
*pfault
);
1154 void * (*get_dev
)(void *context
);
1156 struct list_head list
;
1159 void *mlx5_get_protocol_dev(struct mlx5_core_dev
*mdev
, int protocol
);
1160 int mlx5_register_interface(struct mlx5_interface
*intf
);
1161 void mlx5_unregister_interface(struct mlx5_interface
*intf
);
1162 int mlx5_core_query_vendor_id(struct mlx5_core_dev
*mdev
, u32
*vendor_id
);
1164 int mlx5_cmd_create_vport_lag(struct mlx5_core_dev
*dev
);
1165 int mlx5_cmd_destroy_vport_lag(struct mlx5_core_dev
*dev
);
1166 bool mlx5_lag_is_active(struct mlx5_core_dev
*dev
);
1167 struct net_device
*mlx5_lag_get_roce_netdev(struct mlx5_core_dev
*dev
);
1168 int mlx5_lag_query_cong_counters(struct mlx5_core_dev
*dev
,
1172 struct mlx5_uars_page
*mlx5_get_uars_page(struct mlx5_core_dev
*mdev
);
1173 void mlx5_put_uars_page(struct mlx5_core_dev
*mdev
, struct mlx5_uars_page
*up
);
1175 #ifndef CONFIG_MLX5_CORE_IPOIB
1177 struct net_device
*mlx5_rdma_netdev_alloc(struct mlx5_core_dev
*mdev
,
1178 struct ib_device
*ibdev
,
1180 void (*setup
)(struct net_device
*))
1182 return ERR_PTR(-EOPNOTSUPP
);
1185 static inline void mlx5_rdma_netdev_free(struct net_device
*netdev
) {}
1187 struct net_device
*mlx5_rdma_netdev_alloc(struct mlx5_core_dev
*mdev
,
1188 struct ib_device
*ibdev
,
1190 void (*setup
)(struct net_device
*));
1191 void mlx5_rdma_netdev_free(struct net_device
*netdev
);
1192 #endif /* CONFIG_MLX5_CORE_IPOIB */
1194 struct mlx5_profile
{
1200 } mr_cache
[MAX_MR_CACHE_ENTRIES
];
1204 MLX5_PCI_DEV_IS_VF
= 1 << 0,
1207 static inline int mlx5_core_is_pf(struct mlx5_core_dev
*dev
)
1209 return !(dev
->priv
.pci_dev_data
& MLX5_PCI_DEV_IS_VF
);
1212 static inline int mlx5_get_gid_table_len(u16 param
)
1215 pr_warn("gid table length is zero\n");
1219 return 8 * (1 << param
);
1222 static inline bool mlx5_rl_is_supported(struct mlx5_core_dev
*dev
)
1224 return !!(dev
->priv
.rl_table
.max_size
);
1228 MLX5_TRIGGERED_CMD_COMP
= (u64
)1 << 32,
1231 static inline const struct cpumask
*
1232 mlx5_get_vector_affinity(struct mlx5_core_dev
*dev
, int vector
)
1234 return pci_irq_get_affinity(dev
->pdev
, MLX5_EQ_VEC_COMP_BASE
+ vector
);
1237 #endif /* MLX5_DRIVER_H */