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/irq.h>
40 #include <linux/spinlock_types.h>
41 #include <linux/semaphore.h>
42 #include <linux/slab.h>
43 #include <linux/vmalloc.h>
44 #include <linux/radix-tree.h>
45 #include <linux/workqueue.h>
46 #include <linux/mempool.h>
47 #include <linux/interrupt.h>
48 #include <linux/idr.h>
49 #include <linux/notifier.h>
51 #include <linux/mlx5/device.h>
52 #include <linux/mlx5/doorbell.h>
53 #include <linux/mlx5/eq.h>
54 #include <linux/timecounter.h>
55 #include <linux/ptp_clock_kernel.h>
58 MLX5_BOARD_ID_LEN
= 64,
59 MLX5_MAX_NAME_LEN
= 16,
63 /* one minute for the sake of bringup. Generally, commands must always
64 * complete and we may need to increase this timeout value
66 MLX5_CMD_TIMEOUT_MSEC
= 60 * 1000,
67 MLX5_CMD_WQ_MAX_NAME
= 32,
73 CMD_STATUS_SUCCESS
= 0,
79 MLX5_SQP_IEEE_1588
= 2,
81 MLX5_SQP_SYNC_UMR
= 4,
89 MLX5_ATOMIC_MODE_OFFSET
= 16,
90 MLX5_ATOMIC_MODE_IB_COMP
= 1,
91 MLX5_ATOMIC_MODE_CX
= 2,
92 MLX5_ATOMIC_MODE_8B
= 3,
93 MLX5_ATOMIC_MODE_16B
= 4,
94 MLX5_ATOMIC_MODE_32B
= 5,
95 MLX5_ATOMIC_MODE_64B
= 6,
96 MLX5_ATOMIC_MODE_128B
= 7,
97 MLX5_ATOMIC_MODE_256B
= 8,
101 MLX5_REG_QPTS
= 0x4002,
102 MLX5_REG_QETCR
= 0x4005,
103 MLX5_REG_QTCT
= 0x400a,
104 MLX5_REG_QPDPM
= 0x4013,
105 MLX5_REG_QCAM
= 0x4019,
106 MLX5_REG_DCBX_PARAM
= 0x4020,
107 MLX5_REG_DCBX_APP
= 0x4021,
108 MLX5_REG_FPGA_CAP
= 0x4022,
109 MLX5_REG_FPGA_CTRL
= 0x4023,
110 MLX5_REG_FPGA_ACCESS_REG
= 0x4024,
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_PPTB
= 0x500b,
118 MLX5_REG_PBMC
= 0x500c,
119 MLX5_REG_PMAOS
= 0x5012,
120 MLX5_REG_PUDE
= 0x5009,
121 MLX5_REG_PMPE
= 0x5010,
122 MLX5_REG_PELC
= 0x500e,
123 MLX5_REG_PVLC
= 0x500f,
124 MLX5_REG_PCMR
= 0x5041,
125 MLX5_REG_PMLP
= 0x5002,
126 MLX5_REG_PPLM
= 0x5023,
127 MLX5_REG_PCAM
= 0x507f,
128 MLX5_REG_NODE_DESC
= 0x6001,
129 MLX5_REG_HOST_ENDIANNESS
= 0x7004,
130 MLX5_REG_MCIA
= 0x9014,
131 MLX5_REG_MLCR
= 0x902b,
132 MLX5_REG_MTRC_CAP
= 0x9040,
133 MLX5_REG_MTRC_CONF
= 0x9041,
134 MLX5_REG_MTRC_STDB
= 0x9042,
135 MLX5_REG_MTRC_CTRL
= 0x9043,
136 MLX5_REG_MPCNT
= 0x9051,
137 MLX5_REG_MTPPS
= 0x9053,
138 MLX5_REG_MTPPSE
= 0x9054,
139 MLX5_REG_MPEGC
= 0x9056,
140 MLX5_REG_MCQI
= 0x9061,
141 MLX5_REG_MCC
= 0x9062,
142 MLX5_REG_MCDA
= 0x9063,
143 MLX5_REG_MCAM
= 0x907f,
146 enum mlx5_qpts_trust_state
{
147 MLX5_QPTS_TRUST_PCP
= 1,
148 MLX5_QPTS_TRUST_DSCP
= 2,
151 enum mlx5_dcbx_oper_mode
{
152 MLX5E_DCBX_PARAM_VER_OPER_HOST
= 0x0,
153 MLX5E_DCBX_PARAM_VER_OPER_AUTO
= 0x3,
157 MLX5_ATOMIC_OPS_CMP_SWAP
= 1 << 0,
158 MLX5_ATOMIC_OPS_FETCH_ADD
= 1 << 1,
159 MLX5_ATOMIC_OPS_EXTENDED_CMP_SWAP
= 1 << 2,
160 MLX5_ATOMIC_OPS_EXTENDED_FETCH_ADD
= 1 << 3,
163 enum mlx5_page_fault_resume_flags
{
164 MLX5_PAGE_FAULT_RESUME_REQUESTOR
= 1 << 0,
165 MLX5_PAGE_FAULT_RESUME_WRITE
= 1 << 1,
166 MLX5_PAGE_FAULT_RESUME_RDMA
= 1 << 2,
167 MLX5_PAGE_FAULT_RESUME_ERROR
= 1 << 7,
176 enum port_state_policy
{
177 MLX5_POLICY_DOWN
= 0,
179 MLX5_POLICY_FOLLOW
= 2,
180 MLX5_POLICY_INVALID
= 0xffffffff
183 struct mlx5_field_desc
{
188 struct mlx5_rsc_debug
{
189 struct mlx5_core_dev
*dev
;
191 enum dbg_rsc_type type
;
193 struct mlx5_field_desc fields
[0];
196 enum mlx5_dev_event
{
197 MLX5_DEV_EVENT_SYS_ERROR
= 128, /* 0 - 127 are FW events */
198 MLX5_DEV_EVENT_PORT_AFFINITY
= 129,
201 enum mlx5_port_status
{
206 struct mlx5_bfreg_info
{
208 int num_low_latency_bfregs
;
212 * protect bfreg allocation data structs
218 u32 num_static_sys_pages
;
219 u32 total_num_bfregs
;
223 struct mlx5_cmd_first
{
227 struct mlx5_cmd_msg
{
228 struct list_head list
;
229 struct cmd_msg_cache
*parent
;
231 struct mlx5_cmd_first first
;
232 struct mlx5_cmd_mailbox
*next
;
235 struct mlx5_cmd_debug
{
236 struct dentry
*dbg_root
;
237 struct dentry
*dbg_in
;
238 struct dentry
*dbg_out
;
239 struct dentry
*dbg_outlen
;
240 struct dentry
*dbg_status
;
241 struct dentry
*dbg_run
;
249 struct cmd_msg_cache
{
250 /* protect block chain allocations
253 struct list_head head
;
254 unsigned int max_inbox_size
;
255 unsigned int num_ent
;
259 MLX5_NUM_COMMAND_CACHES
= 5,
262 struct mlx5_cmd_stats
{
267 struct dentry
*count
;
268 /* protect command average calculations */
276 dma_addr_t alloc_dma
;
287 /* protect command queue allocations
289 spinlock_t alloc_lock
;
291 /* protect token allocations
293 spinlock_t token_lock
;
295 unsigned long bitmask
;
296 char wq_name
[MLX5_CMD_WQ_MAX_NAME
];
297 struct workqueue_struct
*wq
;
298 struct semaphore sem
;
299 struct semaphore pages_sem
;
301 struct mlx5_cmd_work_ent
*ent_arr
[MLX5_MAX_COMMANDS
];
302 struct dma_pool
*pool
;
303 struct mlx5_cmd_debug dbg
;
304 struct cmd_msg_cache cache
[MLX5_NUM_COMMAND_CACHES
];
305 int checksum_disabled
;
306 struct mlx5_cmd_stats stats
[MLX5_CMD_OP_MAX
];
309 struct mlx5_port_caps
{
316 struct mlx5_cmd_mailbox
{
319 struct mlx5_cmd_mailbox
*next
;
322 struct mlx5_buf_list
{
327 struct mlx5_frag_buf
{
328 struct mlx5_buf_list
*frags
;
334 struct mlx5_frag_buf_ctrl
{
335 struct mlx5_buf_list
*frags
;
344 struct mlx5_core_psv
{
356 struct mlx5_core_sig_ctx
{
357 struct mlx5_core_psv psv_memory
;
358 struct mlx5_core_psv psv_wire
;
359 struct ib_sig_err err_item
;
360 bool sig_status_checked
;
368 MLX5_MKEY_INDIRECT_DEVX
,
371 struct mlx5_core_mkey
{
379 #define MLX5_24BIT_MASK ((1 << 24) - 1)
382 MLX5_RES_QP
= MLX5_EVENT_QUEUE_TYPE_QP
,
383 MLX5_RES_RQ
= MLX5_EVENT_QUEUE_TYPE_RQ
,
384 MLX5_RES_SQ
= MLX5_EVENT_QUEUE_TYPE_SQ
,
388 MLX5_RES_DCT
= MLX5_EVENT_QUEUE_TYPE_DCT
,
391 struct mlx5_core_rsc_common
{
392 enum mlx5_res_type res
;
394 struct completion free
;
397 struct mlx5_uars_page
{
401 struct list_head list
;
403 unsigned long *reg_bitmap
; /* for non fast path bf regs */
404 unsigned long *fp_bitmap
;
405 unsigned int reg_avail
;
406 unsigned int fp_avail
;
407 struct kref ref_count
;
408 struct mlx5_core_dev
*mdev
;
411 struct mlx5_bfreg_head
{
412 /* protect blue flame registers allocations */
414 struct list_head list
;
417 struct mlx5_bfreg_data
{
418 struct mlx5_bfreg_head reg_head
;
419 struct mlx5_bfreg_head wc_head
;
422 struct mlx5_sq_bfreg
{
424 struct mlx5_uars_page
*up
;
430 struct mlx5_core_health
{
431 struct health_buffer __iomem
*health
;
432 __be32 __iomem
*health_counter
;
433 struct timer_list timer
;
437 /* wq spinlock to synchronize draining */
439 struct workqueue_struct
*wq
;
441 struct work_struct work
;
442 struct delayed_work recover_work
;
445 struct mlx5_qp_table
{
446 struct notifier_block nb
;
448 /* protect radix tree
451 struct radix_tree_root tree
;
454 struct mlx5_mkey_table
{
455 /* protect radix tree
458 struct radix_tree_root tree
;
461 struct mlx5_vf_context
{
465 enum port_state_policy policy
;
468 struct mlx5_core_sriov
{
469 struct mlx5_vf_context
*vfs_ctx
;
474 struct mlx5_fc_stats
{
475 spinlock_t counters_idr_lock
; /* protects counters_idr */
476 struct idr counters_idr
;
477 struct list_head counters
;
478 struct llist_head addlist
;
479 struct llist_head dellist
;
481 struct workqueue_struct
*wq
;
482 struct delayed_work work
;
483 unsigned long next_query
;
484 unsigned long sampling_interval
; /* jiffies */
492 struct mlx5_eq_table
;
494 struct mlx5_rate_limit
{
500 struct mlx5_rl_entry
{
501 struct mlx5_rate_limit rl
;
506 struct mlx5_rl_table
{
507 /* protect rate limit table */
508 struct mutex rl_lock
;
512 struct mlx5_rl_entry
*rl_entry
;
516 char name
[MLX5_MAX_NAME_LEN
];
517 struct mlx5_eq_table
*eq_table
;
520 struct mlx5_nb pg_nb
;
521 struct workqueue_struct
*pg_wq
;
522 struct rb_root page_root
;
525 struct list_head free_list
;
529 struct mlx5_core_health health
;
531 /* start: qp staff */
532 struct mlx5_qp_table qp_table
;
533 struct dentry
*qp_debugfs
;
534 struct dentry
*eq_debugfs
;
535 struct dentry
*cq_debugfs
;
536 struct dentry
*cmdif_debugfs
;
539 /* start: mkey staff */
540 struct mlx5_mkey_table mkey_table
;
541 /* end: mkey staff */
543 /* start: alloc staff */
544 /* protect buffer alocation according to numa node */
545 struct mutex alloc_mutex
;
548 struct mutex pgdir_mutex
;
549 struct list_head pgdir_list
;
550 /* end: alloc staff */
551 struct dentry
*dbg_root
;
553 /* protect mkey key part */
554 spinlock_t mkey_lock
;
557 struct list_head dev_list
;
558 struct list_head ctx_list
;
560 struct mlx5_events
*events
;
562 struct mlx5_flow_steering
*steering
;
563 struct mlx5_mpfs
*mpfs
;
564 struct mlx5_eswitch
*eswitch
;
565 struct mlx5_core_sriov sriov
;
566 struct mlx5_lag
*lag
;
567 struct mlx5_devcom
*devcom
;
568 unsigned long pci_dev_data
;
569 struct mlx5_fc_stats fc_stats
;
570 struct mlx5_rl_table rl_table
;
572 struct mlx5_bfreg_data bfregs
;
573 struct mlx5_uars_page
*uar
;
576 enum mlx5_device_state
{
577 MLX5_DEVICE_STATE_UP
,
578 MLX5_DEVICE_STATE_INTERNAL_ERROR
,
581 enum mlx5_interface_state
{
582 MLX5_INTERFACE_STATE_UP
= BIT(0),
585 enum mlx5_pci_status
{
586 MLX5_PCI_STATUS_DISABLED
,
587 MLX5_PCI_STATUS_ENABLED
,
590 enum mlx5_pagefault_type_flags
{
591 MLX5_PFAULT_REQUESTOR
= 1 << 0,
592 MLX5_PFAULT_WRITE
= 1 << 1,
593 MLX5_PFAULT_RDMA
= 1 << 2,
597 /* protects tirs list changes while tirs refresh */
598 struct mutex list_lock
;
599 struct list_head tirs_list
;
603 struct mlx5e_resources
{
606 struct mlx5_core_mkey mkey
;
607 struct mlx5_sq_bfreg bfreg
;
610 #define MLX5_MAX_RESERVED_GIDS 8
612 struct mlx5_rsvd_gids
{
618 #define MAX_PIN_NUM 8
620 u8 pin_caps
[MAX_PIN_NUM
];
621 struct work_struct out_work
;
622 u64 start
[MAX_PIN_NUM
];
627 struct mlx5_core_dev
*mdev
;
628 struct mlx5_nb pps_nb
;
630 struct cyclecounter cycles
;
631 struct timecounter tc
;
632 struct hwtstamp_config hwtstamp_config
;
634 unsigned long overflow_period
;
635 struct delayed_work overflow_work
;
636 struct ptp_clock
*ptp
;
637 struct ptp_clock_info ptp_info
;
638 struct mlx5_pps pps_info
;
641 struct mlx5_fw_tracer
;
644 struct mlx5_core_dev
{
645 struct pci_dev
*pdev
;
647 struct mutex pci_status_mutex
;
648 enum mlx5_pci_status pci_status
;
650 char board_id
[MLX5_BOARD_ID_LEN
];
652 struct mlx5_port_caps port_caps
[MLX5_MAX_PORTS
];
654 u32 hca_cur
[MLX5_CAP_NUM
][MLX5_UN_SZ_DW(hca_cap_union
)];
655 u32 hca_max
[MLX5_CAP_NUM
][MLX5_UN_SZ_DW(hca_cap_union
)];
656 u32 pcam
[MLX5_ST_SZ_DW(pcam_reg
)];
657 u32 mcam
[MLX5_ST_SZ_DW(mcam_reg
)];
658 u32 fpga
[MLX5_ST_SZ_DW(fpga_cap
)];
659 u32 qcam
[MLX5_ST_SZ_DW(qcam_reg
)];
663 phys_addr_t iseg_base
;
664 struct mlx5_init_seg __iomem
*iseg
;
665 enum mlx5_device_state state
;
666 /* sync interface state */
667 struct mutex intf_state_mutex
;
668 unsigned long intf_state
;
669 struct mlx5_priv priv
;
670 struct mlx5_profile
*profile
;
673 struct mlx5e_resources mlx5e_res
;
674 struct mlx5_vxlan
*vxlan
;
676 struct mlx5_rsvd_gids reserved_gids
;
679 #ifdef CONFIG_MLX5_FPGA
680 struct mlx5_fpga_device
*fpga
;
682 struct mlx5_clock clock
;
683 struct mlx5_ib_clock_info
*clock_info
;
684 struct page
*clock_info_page
;
685 struct mlx5_fw_tracer
*tracer
;
691 struct mlx5_db_pgdir
*pgdir
;
692 struct mlx5_ib_user_db_page
*user_page
;
699 MLX5_COMP_EQ_SIZE
= 1024,
703 MLX5_PTYS_IB
= 1 << 0,
704 MLX5_PTYS_EN
= 1 << 2,
707 typedef void (*mlx5_cmd_cbk_t
)(int status
, void *context
);
710 MLX5_CMD_ENT_STATE_PENDING_COMP
,
713 struct mlx5_cmd_work_ent
{
715 struct mlx5_cmd_msg
*in
;
716 struct mlx5_cmd_msg
*out
;
719 mlx5_cmd_cbk_t callback
;
720 struct delayed_work cb_timeout_work
;
723 struct completion done
;
724 struct mlx5_cmd
*cmd
;
725 struct work_struct work
;
726 struct mlx5_cmd_layout
*lay
;
742 enum phy_port_state
{
746 struct mlx5_hca_vport_context
{
751 enum port_state_policy policy
;
752 enum phy_port_state phys_state
;
753 enum ib_port_state vport_state
;
754 u8 port_physical_state
;
763 u8 init_type_reply
; /* bitmask: see ib spec 14.2.5.6 InitTypeReply */
768 u16 qkey_violation_counter
;
769 u16 pkey_violation_counter
;
773 static inline void *mlx5_buf_offset(struct mlx5_frag_buf
*buf
, int offset
)
775 return buf
->frags
->buf
+ offset
;
778 #define STRUCT_FIELD(header, field) \
779 .struct_offset_bytes = offsetof(struct ib_unpacked_ ## header, field), \
780 .struct_size_bytes = sizeof((struct ib_unpacked_ ## header *)0)->field
782 static inline struct mlx5_core_dev
*pci2mlx5_core_dev(struct pci_dev
*pdev
)
784 return pci_get_drvdata(pdev
);
787 extern struct dentry
*mlx5_debugfs_root
;
789 static inline u16
fw_rev_maj(struct mlx5_core_dev
*dev
)
791 return ioread32be(&dev
->iseg
->fw_rev
) & 0xffff;
794 static inline u16
fw_rev_min(struct mlx5_core_dev
*dev
)
796 return ioread32be(&dev
->iseg
->fw_rev
) >> 16;
799 static inline u16
fw_rev_sub(struct mlx5_core_dev
*dev
)
801 return ioread32be(&dev
->iseg
->cmdif_rev_fw_sub
) & 0xffff;
804 static inline u16
cmdif_rev(struct mlx5_core_dev
*dev
)
806 return ioread32be(&dev
->iseg
->cmdif_rev_fw_sub
) >> 16;
809 static inline u32
mlx5_base_mkey(const u32 key
)
811 return key
& 0xffffff00u
;
814 static inline void mlx5_init_fbc_offset(struct mlx5_buf_list
*frags
,
815 u8 log_stride
, u8 log_sz
,
817 struct mlx5_frag_buf_ctrl
*fbc
)
820 fbc
->log_stride
= log_stride
;
821 fbc
->log_sz
= log_sz
;
822 fbc
->sz_m1
= (1 << fbc
->log_sz
) - 1;
823 fbc
->log_frag_strides
= PAGE_SHIFT
- fbc
->log_stride
;
824 fbc
->frag_sz_m1
= (1 << fbc
->log_frag_strides
) - 1;
825 fbc
->strides_offset
= strides_offset
;
828 static inline void mlx5_init_fbc(struct mlx5_buf_list
*frags
,
829 u8 log_stride
, u8 log_sz
,
830 struct mlx5_frag_buf_ctrl
*fbc
)
832 mlx5_init_fbc_offset(frags
, log_stride
, log_sz
, 0, fbc
);
835 static inline void *mlx5_frag_buf_get_wqe(struct mlx5_frag_buf_ctrl
*fbc
,
840 ix
+= fbc
->strides_offset
;
841 frag
= ix
>> fbc
->log_frag_strides
;
843 return fbc
->frags
[frag
].buf
+ ((fbc
->frag_sz_m1
& ix
) << fbc
->log_stride
);
847 mlx5_frag_buf_get_idx_last_contig_stride(struct mlx5_frag_buf_ctrl
*fbc
, u32 ix
)
849 u32 last_frag_stride_idx
= (ix
+ fbc
->strides_offset
) | fbc
->frag_sz_m1
;
851 return min_t(u32
, last_frag_stride_idx
- fbc
->strides_offset
, fbc
->sz_m1
);
854 int mlx5_cmd_init(struct mlx5_core_dev
*dev
);
855 void mlx5_cmd_cleanup(struct mlx5_core_dev
*dev
);
856 void mlx5_cmd_use_events(struct mlx5_core_dev
*dev
);
857 void mlx5_cmd_use_polling(struct mlx5_core_dev
*dev
);
859 struct mlx5_async_ctx
{
860 struct mlx5_core_dev
*dev
;
861 atomic_t num_inflight
;
862 struct wait_queue_head wait
;
865 struct mlx5_async_work
;
867 typedef void (*mlx5_async_cbk_t
)(int status
, struct mlx5_async_work
*context
);
869 struct mlx5_async_work
{
870 struct mlx5_async_ctx
*ctx
;
871 mlx5_async_cbk_t user_callback
;
874 void mlx5_cmd_init_async_ctx(struct mlx5_core_dev
*dev
,
875 struct mlx5_async_ctx
*ctx
);
876 void mlx5_cmd_cleanup_async_ctx(struct mlx5_async_ctx
*ctx
);
877 int mlx5_cmd_exec_cb(struct mlx5_async_ctx
*ctx
, void *in
, int in_size
,
878 void *out
, int out_size
, mlx5_async_cbk_t callback
,
879 struct mlx5_async_work
*work
);
881 int mlx5_cmd_exec(struct mlx5_core_dev
*dev
, void *in
, int in_size
, void *out
,
883 int mlx5_cmd_exec_polling(struct mlx5_core_dev
*dev
, void *in
, int in_size
,
884 void *out
, int out_size
);
885 void mlx5_cmd_mbox_status(void *out
, u8
*status
, u32
*syndrome
);
887 int mlx5_core_get_caps(struct mlx5_core_dev
*dev
, enum mlx5_cap_type cap_type
);
888 int mlx5_cmd_alloc_uar(struct mlx5_core_dev
*dev
, u32
*uarn
);
889 int mlx5_cmd_free_uar(struct mlx5_core_dev
*dev
, u32 uarn
);
890 void mlx5_health_cleanup(struct mlx5_core_dev
*dev
);
891 int mlx5_health_init(struct mlx5_core_dev
*dev
);
892 void mlx5_start_health_poll(struct mlx5_core_dev
*dev
);
893 void mlx5_stop_health_poll(struct mlx5_core_dev
*dev
, bool disable_health
);
894 void mlx5_drain_health_wq(struct mlx5_core_dev
*dev
);
895 void mlx5_trigger_health_work(struct mlx5_core_dev
*dev
);
896 void mlx5_drain_health_recovery(struct mlx5_core_dev
*dev
);
897 int mlx5_buf_alloc_node(struct mlx5_core_dev
*dev
, int size
,
898 struct mlx5_frag_buf
*buf
, int node
);
899 int mlx5_buf_alloc(struct mlx5_core_dev
*dev
,
900 int size
, struct mlx5_frag_buf
*buf
);
901 void mlx5_buf_free(struct mlx5_core_dev
*dev
, struct mlx5_frag_buf
*buf
);
902 int mlx5_frag_buf_alloc_node(struct mlx5_core_dev
*dev
, int size
,
903 struct mlx5_frag_buf
*buf
, int node
);
904 void mlx5_frag_buf_free(struct mlx5_core_dev
*dev
, struct mlx5_frag_buf
*buf
);
905 struct mlx5_cmd_mailbox
*mlx5_alloc_cmd_mailbox_chain(struct mlx5_core_dev
*dev
,
906 gfp_t flags
, int npages
);
907 void mlx5_free_cmd_mailbox_chain(struct mlx5_core_dev
*dev
,
908 struct mlx5_cmd_mailbox
*head
);
909 void mlx5_init_mkey_table(struct mlx5_core_dev
*dev
);
910 void mlx5_cleanup_mkey_table(struct mlx5_core_dev
*dev
);
911 int mlx5_core_create_mkey_cb(struct mlx5_core_dev
*dev
,
912 struct mlx5_core_mkey
*mkey
,
913 struct mlx5_async_ctx
*async_ctx
, u32
*in
,
914 int inlen
, u32
*out
, int outlen
,
915 mlx5_async_cbk_t callback
,
916 struct mlx5_async_work
*context
);
917 int mlx5_core_create_mkey(struct mlx5_core_dev
*dev
,
918 struct mlx5_core_mkey
*mkey
,
920 int mlx5_core_destroy_mkey(struct mlx5_core_dev
*dev
,
921 struct mlx5_core_mkey
*mkey
);
922 int mlx5_core_query_mkey(struct mlx5_core_dev
*dev
, struct mlx5_core_mkey
*mkey
,
923 u32
*out
, int outlen
);
924 int mlx5_core_alloc_pd(struct mlx5_core_dev
*dev
, u32
*pdn
);
925 int mlx5_core_dealloc_pd(struct mlx5_core_dev
*dev
, u32 pdn
);
926 int mlx5_pagealloc_init(struct mlx5_core_dev
*dev
);
927 void mlx5_pagealloc_cleanup(struct mlx5_core_dev
*dev
);
928 void mlx5_pagealloc_start(struct mlx5_core_dev
*dev
);
929 void mlx5_pagealloc_stop(struct mlx5_core_dev
*dev
);
930 void mlx5_core_req_pages_handler(struct mlx5_core_dev
*dev
, u16 func_id
,
931 s32 npages
, bool ec_function
);
932 int mlx5_satisfy_startup_pages(struct mlx5_core_dev
*dev
, int boot
);
933 int mlx5_reclaim_startup_pages(struct mlx5_core_dev
*dev
);
934 void mlx5_register_debugfs(void);
935 void mlx5_unregister_debugfs(void);
937 void mlx5_fill_page_array(struct mlx5_frag_buf
*buf
, __be64
*pas
);
938 void mlx5_fill_page_frag_array(struct mlx5_frag_buf
*frag_buf
, __be64
*pas
);
939 int mlx5_vector2eqn(struct mlx5_core_dev
*dev
, int vector
, int *eqn
,
941 int mlx5_core_attach_mcg(struct mlx5_core_dev
*dev
, union ib_gid
*mgid
, u32 qpn
);
942 int mlx5_core_detach_mcg(struct mlx5_core_dev
*dev
, union ib_gid
*mgid
, u32 qpn
);
944 int mlx5_qp_debugfs_init(struct mlx5_core_dev
*dev
);
945 void mlx5_qp_debugfs_cleanup(struct mlx5_core_dev
*dev
);
946 int mlx5_core_access_reg(struct mlx5_core_dev
*dev
, void *data_in
,
947 int size_in
, void *data_out
, int size_out
,
948 u16 reg_num
, int arg
, int write
);
950 int mlx5_db_alloc(struct mlx5_core_dev
*dev
, struct mlx5_db
*db
);
951 int mlx5_db_alloc_node(struct mlx5_core_dev
*dev
, struct mlx5_db
*db
,
953 void mlx5_db_free(struct mlx5_core_dev
*dev
, struct mlx5_db
*db
);
955 const char *mlx5_command_str(int command
);
956 int mlx5_cmdif_debugfs_init(struct mlx5_core_dev
*dev
);
957 void mlx5_cmdif_debugfs_cleanup(struct mlx5_core_dev
*dev
);
958 int mlx5_core_create_psv(struct mlx5_core_dev
*dev
, u32 pdn
,
959 int npsvs
, u32
*sig_index
);
960 int mlx5_core_destroy_psv(struct mlx5_core_dev
*dev
, int psv_num
);
961 void mlx5_core_put_rsc(struct mlx5_core_rsc_common
*common
);
962 int mlx5_query_odp_caps(struct mlx5_core_dev
*dev
,
963 struct mlx5_odp_caps
*odp_caps
);
964 int mlx5_core_query_ib_ppcnt(struct mlx5_core_dev
*dev
,
965 u8 port_num
, void *out
, size_t sz
);
967 int mlx5_init_rl_table(struct mlx5_core_dev
*dev
);
968 void mlx5_cleanup_rl_table(struct mlx5_core_dev
*dev
);
969 int mlx5_rl_add_rate(struct mlx5_core_dev
*dev
, u16
*index
,
970 struct mlx5_rate_limit
*rl
);
971 void mlx5_rl_remove_rate(struct mlx5_core_dev
*dev
, struct mlx5_rate_limit
*rl
);
972 bool mlx5_rl_is_in_range(struct mlx5_core_dev
*dev
, u32 rate
);
973 bool mlx5_rl_are_equal(struct mlx5_rate_limit
*rl_0
,
974 struct mlx5_rate_limit
*rl_1
);
975 int mlx5_alloc_bfreg(struct mlx5_core_dev
*mdev
, struct mlx5_sq_bfreg
*bfreg
,
976 bool map_wc
, bool fast_path
);
977 void mlx5_free_bfreg(struct mlx5_core_dev
*mdev
, struct mlx5_sq_bfreg
*bfreg
);
979 unsigned int mlx5_comp_vectors_count(struct mlx5_core_dev
*dev
);
981 mlx5_comp_irq_get_affinity_mask(struct mlx5_core_dev
*dev
, int vector
);
982 unsigned int mlx5_core_reserved_gids_count(struct mlx5_core_dev
*dev
);
983 int mlx5_core_roce_gid_set(struct mlx5_core_dev
*dev
, unsigned int index
,
984 u8 roce_version
, u8 roce_l3_type
, const u8
*gid
,
985 const u8
*mac
, bool vlan
, u16 vlan_id
, u8 port_num
);
987 static inline int fw_initializing(struct mlx5_core_dev
*dev
)
989 return ioread32be(&dev
->iseg
->initializing
) >> 31;
992 static inline u32
mlx5_mkey_to_idx(u32 mkey
)
997 static inline u32
mlx5_idx_to_mkey(u32 mkey_idx
)
999 return mkey_idx
<< 8;
1002 static inline u8
mlx5_mkey_variant(u32 mkey
)
1008 MLX5_PROF_MASK_QP_SIZE
= (u64
)1 << 0,
1009 MLX5_PROF_MASK_MR_CACHE
= (u64
)1 << 1,
1013 MR_CACHE_LAST_STD_ENTRY
= 20,
1014 MLX5_IMR_MTT_CACHE_ENTRY
,
1015 MLX5_IMR_KSM_CACHE_ENTRY
,
1016 MAX_MR_CACHE_ENTRIES
1020 MLX5_INTERFACE_PROTOCOL_IB
= 0,
1021 MLX5_INTERFACE_PROTOCOL_ETH
= 1,
1024 struct mlx5_interface
{
1025 void * (*add
)(struct mlx5_core_dev
*dev
);
1026 void (*remove
)(struct mlx5_core_dev
*dev
, void *context
);
1027 int (*attach
)(struct mlx5_core_dev
*dev
, void *context
);
1028 void (*detach
)(struct mlx5_core_dev
*dev
, void *context
);
1030 struct list_head list
;
1033 int mlx5_register_interface(struct mlx5_interface
*intf
);
1034 void mlx5_unregister_interface(struct mlx5_interface
*intf
);
1035 int mlx5_notifier_register(struct mlx5_core_dev
*dev
, struct notifier_block
*nb
);
1036 int mlx5_notifier_unregister(struct mlx5_core_dev
*dev
, struct notifier_block
*nb
);
1038 int mlx5_core_query_vendor_id(struct mlx5_core_dev
*mdev
, u32
*vendor_id
);
1040 int mlx5_cmd_create_vport_lag(struct mlx5_core_dev
*dev
);
1041 int mlx5_cmd_destroy_vport_lag(struct mlx5_core_dev
*dev
);
1042 bool mlx5_lag_is_roce(struct mlx5_core_dev
*dev
);
1043 bool mlx5_lag_is_sriov(struct mlx5_core_dev
*dev
);
1044 bool mlx5_lag_is_multipath(struct mlx5_core_dev
*dev
);
1045 bool mlx5_lag_is_active(struct mlx5_core_dev
*dev
);
1046 struct net_device
*mlx5_lag_get_roce_netdev(struct mlx5_core_dev
*dev
);
1047 int mlx5_lag_query_cong_counters(struct mlx5_core_dev
*dev
,
1051 struct mlx5_uars_page
*mlx5_get_uars_page(struct mlx5_core_dev
*mdev
);
1052 void mlx5_put_uars_page(struct mlx5_core_dev
*mdev
, struct mlx5_uars_page
*up
);
1054 #ifdef CONFIG_MLX5_CORE_IPOIB
1055 struct net_device
*mlx5_rdma_netdev_alloc(struct mlx5_core_dev
*mdev
,
1056 struct ib_device
*ibdev
,
1058 void (*setup
)(struct net_device
*));
1059 #endif /* CONFIG_MLX5_CORE_IPOIB */
1060 int mlx5_rdma_rn_get_params(struct mlx5_core_dev
*mdev
,
1061 struct ib_device
*device
,
1062 struct rdma_netdev_alloc_params
*params
);
1064 struct mlx5_profile
{
1070 } mr_cache
[MAX_MR_CACHE_ENTRIES
];
1074 MLX5_PCI_DEV_IS_VF
= 1 << 0,
1077 static inline int mlx5_core_is_pf(struct mlx5_core_dev
*dev
)
1079 return !(dev
->priv
.pci_dev_data
& MLX5_PCI_DEV_IS_VF
);
1082 static inline bool mlx5_core_is_ecpf(struct mlx5_core_dev
*dev
)
1084 return dev
->caps
.embedded_cpu
;
1087 static inline bool mlx5_core_is_ecpf_esw_manager(struct mlx5_core_dev
*dev
)
1089 return dev
->caps
.embedded_cpu
&& MLX5_CAP_GEN(dev
, eswitch_manager
);
1092 static inline bool mlx5_ecpf_vport_exists(struct mlx5_core_dev
*dev
)
1094 return mlx5_core_is_pf(dev
) && MLX5_CAP_ESW(dev
, ecpf_vport_exists
);
1097 #define MLX5_HOST_PF_MAX_VFS (127u)
1098 static inline u16
mlx5_core_max_vfs(struct mlx5_core_dev
*dev
)
1100 if (mlx5_core_is_ecpf_esw_manager(dev
))
1101 return MLX5_HOST_PF_MAX_VFS
;
1103 return pci_sriov_get_totalvfs(dev
->pdev
);
1106 static inline int mlx5_get_gid_table_len(u16 param
)
1109 pr_warn("gid table length is zero\n");
1113 return 8 * (1 << param
);
1116 static inline bool mlx5_rl_is_supported(struct mlx5_core_dev
*dev
)
1118 return !!(dev
->priv
.rl_table
.max_size
);
1121 static inline int mlx5_core_is_mp_slave(struct mlx5_core_dev
*dev
)
1123 return MLX5_CAP_GEN(dev
, affiliate_nic_vport_criteria
) &&
1124 MLX5_CAP_GEN(dev
, num_vhca_ports
) <= 1;
1127 static inline int mlx5_core_is_mp_master(struct mlx5_core_dev
*dev
)
1129 return MLX5_CAP_GEN(dev
, num_vhca_ports
) > 1;
1132 static inline int mlx5_core_mp_enabled(struct mlx5_core_dev
*dev
)
1134 return mlx5_core_is_mp_slave(dev
) ||
1135 mlx5_core_is_mp_master(dev
);
1138 static inline int mlx5_core_native_port_num(struct mlx5_core_dev
*dev
)
1140 if (!mlx5_core_mp_enabled(dev
))
1143 return MLX5_CAP_GEN(dev
, native_port_num
);
1147 MLX5_TRIGGERED_CMD_COMP
= (u64
)1 << 32,
1150 #endif /* MLX5_DRIVER_H */