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
233 u32 num_static_sys_pages;
234 u32 total_num_bfregs;
238 struct mlx5_cmd_first {
242 struct mlx5_cmd_msg {
243 struct list_head list;
244 struct cmd_msg_cache *parent;
246 struct mlx5_cmd_first first;
247 struct mlx5_cmd_mailbox *next;
250 struct mlx5_cmd_debug {
251 struct dentry *dbg_root;
252 struct dentry *dbg_in;
253 struct dentry *dbg_out;
254 struct dentry *dbg_outlen;
255 struct dentry *dbg_status;
256 struct dentry *dbg_run;
264 struct cmd_msg_cache {
265 /* protect block chain allocations
268 struct list_head head;
269 unsigned int max_inbox_size;
270 unsigned int num_ent;
274 MLX5_NUM_COMMAND_CACHES = 5,
277 struct mlx5_cmd_stats {
282 struct dentry *count;
283 /* protect command average calculations */
289 dma_addr_t alloc_dma;
300 /* protect command queue allocations
302 spinlock_t alloc_lock;
304 /* protect token allocations
306 spinlock_t token_lock;
308 unsigned long bitmask;
309 char wq_name[MLX5_CMD_WQ_MAX_NAME];
310 struct workqueue_struct *wq;
311 struct semaphore sem;
312 struct semaphore pages_sem;
314 struct mlx5_cmd_work_ent *ent_arr[MLX5_MAX_COMMANDS];
315 struct dma_pool *pool;
316 struct mlx5_cmd_debug dbg;
317 struct cmd_msg_cache cache[MLX5_NUM_COMMAND_CACHES];
318 int checksum_disabled;
319 struct mlx5_cmd_stats stats[MLX5_CMD_OP_MAX];
322 struct mlx5_port_caps {
329 struct mlx5_cmd_mailbox {
332 struct mlx5_cmd_mailbox *next;
335 struct mlx5_buf_list {
341 struct mlx5_buf_list direct;
347 struct mlx5_frag_buf {
348 struct mlx5_buf_list *frags;
354 struct mlx5_eq_tasklet {
355 struct list_head list;
356 struct list_head process_list;
357 struct tasklet_struct task;
358 /* lock on completion tasklet list */
362 struct mlx5_eq_pagefault {
363 struct work_struct work;
364 /* Pagefaults lock */
366 struct workqueue_struct *wq;
371 struct mlx5_core_dev *dev;
372 __be32 __iomem *doorbell;
380 struct list_head list;
382 struct mlx5_rsc_debug *dbg;
383 enum mlx5_eq_type type;
385 struct mlx5_eq_tasklet tasklet_ctx;
386 #ifdef CONFIG_INFINIBAND_ON_DEMAND_PAGING
387 struct mlx5_eq_pagefault pf_ctx;
392 struct mlx5_core_psv {
404 struct mlx5_core_sig_ctx {
405 struct mlx5_core_psv psv_memory;
406 struct mlx5_core_psv psv_wire;
407 struct ib_sig_err err_item;
408 bool sig_status_checked;
418 struct mlx5_core_mkey {
426 #define MLX5_24BIT_MASK ((1 << 24) - 1)
429 MLX5_RES_QP = MLX5_EVENT_QUEUE_TYPE_QP,
430 MLX5_RES_RQ = MLX5_EVENT_QUEUE_TYPE_RQ,
431 MLX5_RES_SQ = MLX5_EVENT_QUEUE_TYPE_SQ,
437 struct mlx5_core_rsc_common {
438 enum mlx5_res_type res;
440 struct completion free;
443 struct mlx5_core_srq {
444 struct mlx5_core_rsc_common common; /* must be first */
448 int max_avail_gather;
450 void (*event) (struct mlx5_core_srq *, enum mlx5_event);
453 struct completion free;
456 struct mlx5_eq_table {
457 void __iomem *update_ci;
458 void __iomem *update_arm_ci;
459 struct list_head comp_eqs_list;
460 struct mlx5_eq pages_eq;
461 struct mlx5_eq async_eq;
462 struct mlx5_eq cmd_eq;
463 #ifdef CONFIG_INFINIBAND_ON_DEMAND_PAGING
464 struct mlx5_eq pfault_eq;
466 int num_comp_vectors;
472 struct mlx5_uars_page {
476 struct list_head list;
478 unsigned long *reg_bitmap; /* for non fast path bf regs */
479 unsigned long *fp_bitmap;
480 unsigned int reg_avail;
481 unsigned int fp_avail;
482 struct kref ref_count;
483 struct mlx5_core_dev *mdev;
486 struct mlx5_bfreg_head {
487 /* protect blue flame registers allocations */
489 struct list_head list;
492 struct mlx5_bfreg_data {
493 struct mlx5_bfreg_head reg_head;
494 struct mlx5_bfreg_head wc_head;
497 struct mlx5_sq_bfreg {
499 struct mlx5_uars_page *up;
505 struct mlx5_core_health {
506 struct health_buffer __iomem *health;
507 __be32 __iomem *health_counter;
508 struct timer_list timer;
512 /* wq spinlock to synchronize draining */
514 struct workqueue_struct *wq;
516 struct work_struct work;
517 struct delayed_work recover_work;
520 struct mlx5_cq_table {
521 /* protect radix tree
524 struct radix_tree_root tree;
527 struct mlx5_qp_table {
528 /* protect radix tree
531 struct radix_tree_root tree;
534 struct mlx5_srq_table {
535 /* protect radix tree
538 struct radix_tree_root tree;
541 struct mlx5_mkey_table {
542 /* protect radix tree
545 struct radix_tree_root tree;
548 struct mlx5_vf_context {
552 enum port_state_policy policy;
555 struct mlx5_core_sriov {
556 struct mlx5_vf_context *vfs_ctx;
561 struct mlx5_irq_info {
562 char name[MLX5_MAX_IRQ_NAME];
565 struct mlx5_fc_stats {
566 struct rb_root counters;
567 struct list_head addlist;
568 /* protect addlist add/splice operations */
569 spinlock_t addlist_lock;
571 struct workqueue_struct *wq;
572 struct delayed_work work;
573 unsigned long next_query;
574 unsigned long sampling_interval; /* jiffies */
580 struct mlx5_pagefault;
582 struct mlx5_rl_entry {
588 struct mlx5_rl_table {
589 /* protect rate limit table */
590 struct mutex rl_lock;
594 struct mlx5_rl_entry *rl_entry;
597 enum port_module_event_status_type {
598 MLX5_MODULE_STATUS_PLUGGED = 0x1,
599 MLX5_MODULE_STATUS_UNPLUGGED = 0x2,
600 MLX5_MODULE_STATUS_ERROR = 0x3,
601 MLX5_MODULE_STATUS_NUM = 0x3,
604 enum port_module_event_error_type {
605 MLX5_MODULE_EVENT_ERROR_POWER_BUDGET_EXCEEDED,
606 MLX5_MODULE_EVENT_ERROR_LONG_RANGE_FOR_NON_MLNX_CABLE_MODULE,
607 MLX5_MODULE_EVENT_ERROR_BUS_STUCK,
608 MLX5_MODULE_EVENT_ERROR_NO_EEPROM_RETRY_TIMEOUT,
609 MLX5_MODULE_EVENT_ERROR_ENFORCE_PART_NUMBER_LIST,
610 MLX5_MODULE_EVENT_ERROR_UNKNOWN_IDENTIFIER,
611 MLX5_MODULE_EVENT_ERROR_HIGH_TEMPERATURE,
612 MLX5_MODULE_EVENT_ERROR_BAD_CABLE,
613 MLX5_MODULE_EVENT_ERROR_UNKNOWN,
614 MLX5_MODULE_EVENT_ERROR_NUM,
617 struct mlx5_port_module_event_stats {
618 u64 status_counters[MLX5_MODULE_STATUS_NUM];
619 u64 error_counters[MLX5_MODULE_EVENT_ERROR_NUM];
623 char name[MLX5_MAX_NAME_LEN];
624 struct mlx5_eq_table eq_table;
625 struct mlx5_irq_info *irq_info;
628 struct workqueue_struct *pg_wq;
629 struct rb_root page_root;
632 struct list_head free_list;
635 struct mlx5_core_health health;
637 struct mlx5_srq_table srq_table;
639 /* start: qp staff */
640 struct mlx5_qp_table qp_table;
641 struct dentry *qp_debugfs;
642 struct dentry *eq_debugfs;
643 struct dentry *cq_debugfs;
644 struct dentry *cmdif_debugfs;
647 /* start: cq staff */
648 struct mlx5_cq_table cq_table;
651 /* start: mkey staff */
652 struct mlx5_mkey_table mkey_table;
653 /* end: mkey staff */
655 /* start: alloc staff */
656 /* protect buffer alocation according to numa node */
657 struct mutex alloc_mutex;
660 struct mutex pgdir_mutex;
661 struct list_head pgdir_list;
662 /* end: alloc staff */
663 struct dentry *dbg_root;
665 /* protect mkey key part */
666 spinlock_t mkey_lock;
669 struct list_head dev_list;
670 struct list_head ctx_list;
673 struct list_head waiting_events_list;
674 bool is_accum_events;
676 struct mlx5_flow_steering *steering;
677 struct mlx5_mpfs *mpfs;
678 struct mlx5_eswitch *eswitch;
679 struct mlx5_core_sriov sriov;
680 struct mlx5_lag *lag;
681 unsigned long pci_dev_data;
682 struct mlx5_fc_stats fc_stats;
683 struct mlx5_rl_table rl_table;
685 struct mlx5_port_module_event_stats pme_stats;
687 #ifdef CONFIG_INFINIBAND_ON_DEMAND_PAGING
688 void (*pfault)(struct mlx5_core_dev *dev,
690 struct mlx5_pagefault *pfault);
692 struct srcu_struct pfault_srcu;
694 struct mlx5_bfreg_data bfregs;
695 struct mlx5_uars_page *uar;
698 enum mlx5_device_state {
699 MLX5_DEVICE_STATE_UP,
700 MLX5_DEVICE_STATE_INTERNAL_ERROR,
703 enum mlx5_interface_state {
704 MLX5_INTERFACE_STATE_UP = BIT(0),
707 enum mlx5_pci_status {
708 MLX5_PCI_STATUS_DISABLED,
709 MLX5_PCI_STATUS_ENABLED,
712 enum mlx5_pagefault_type_flags {
713 MLX5_PFAULT_REQUESTOR = 1 << 0,
714 MLX5_PFAULT_WRITE = 1 << 1,
715 MLX5_PFAULT_RDMA = 1 << 2,
718 /* Contains the details of a pagefault. */
719 struct mlx5_pagefault {
725 /* Initiator or send message responder pagefault details. */
727 /* Received packet size, only valid for responders. */
730 * Number of resource holding WQE, depends on type.
734 * WQE index. Refers to either the send queue or
735 * receive queue, according to event_subtype.
739 /* RDMA responder pagefault details */
743 * Received packet size, minimal size page fault
744 * resolution required for forward progress.
753 struct work_struct work;
757 struct list_head tirs_list;
761 struct mlx5e_resources {
764 struct mlx5_core_mkey mkey;
765 struct mlx5_sq_bfreg bfreg;
768 #define MLX5_MAX_RESERVED_GIDS 8
770 struct mlx5_rsvd_gids {
776 #define MAX_PIN_NUM 8
778 u8 pin_caps[MAX_PIN_NUM];
779 struct work_struct out_work;
780 u64 start[MAX_PIN_NUM];
786 struct cyclecounter cycles;
787 struct timecounter tc;
788 struct hwtstamp_config hwtstamp_config;
790 unsigned long overflow_period;
791 struct delayed_work overflow_work;
792 struct ptp_clock *ptp;
793 struct ptp_clock_info ptp_info;
794 struct mlx5_pps pps_info;
797 struct mlx5_core_dev {
798 struct pci_dev *pdev;
800 struct mutex pci_status_mutex;
801 enum mlx5_pci_status pci_status;
803 char board_id[MLX5_BOARD_ID_LEN];
805 struct mlx5_port_caps port_caps[MLX5_MAX_PORTS];
807 u32 hca_cur[MLX5_CAP_NUM][MLX5_UN_SZ_DW(hca_cap_union)];
808 u32 hca_max[MLX5_CAP_NUM][MLX5_UN_SZ_DW(hca_cap_union)];
809 u32 pcam[MLX5_ST_SZ_DW(pcam_reg)];
810 u32 mcam[MLX5_ST_SZ_DW(mcam_reg)];
811 u32 fpga[MLX5_ST_SZ_DW(fpga_cap)];
812 u32 qcam[MLX5_ST_SZ_DW(qcam_reg)];
814 phys_addr_t iseg_base;
815 struct mlx5_init_seg __iomem *iseg;
816 enum mlx5_device_state state;
817 /* sync interface state */
818 struct mutex intf_state_mutex;
819 unsigned long intf_state;
820 void (*event) (struct mlx5_core_dev *dev,
821 enum mlx5_dev_event event,
822 unsigned long param);
823 struct mlx5_priv priv;
824 struct mlx5_profile *profile;
827 struct mlx5e_resources mlx5e_res;
829 struct mlx5_rsvd_gids reserved_gids;
832 #ifdef CONFIG_MLX5_FPGA
833 struct mlx5_fpga_device *fpga;
835 #ifdef CONFIG_RFS_ACCEL
836 struct cpu_rmap *rmap;
838 struct mlx5_clock clock;
844 struct mlx5_db_pgdir *pgdir;
845 struct mlx5_ib_user_db_page *user_page;
852 MLX5_COMP_EQ_SIZE = 1024,
856 MLX5_PTYS_IB = 1 << 0,
857 MLX5_PTYS_EN = 1 << 2,
860 typedef void (*mlx5_cmd_cbk_t)(int status, void *context);
863 MLX5_CMD_ENT_STATE_PENDING_COMP,
866 struct mlx5_cmd_work_ent {
868 struct mlx5_cmd_msg *in;
869 struct mlx5_cmd_msg *out;
872 mlx5_cmd_cbk_t callback;
873 struct delayed_work cb_timeout_work;
876 struct completion done;
877 struct mlx5_cmd *cmd;
878 struct work_struct work;
879 struct mlx5_cmd_layout *lay;
895 enum phy_port_state {
899 struct mlx5_hca_vport_context {
904 enum port_state_policy policy;
905 enum phy_port_state phys_state;
906 enum ib_port_state vport_state;
907 u8 port_physical_state;
916 u8 init_type_reply; /* bitmask: see ib spec 14.2.5.6 InitTypeReply */
921 u16 qkey_violation_counter;
922 u16 pkey_violation_counter;
926 static inline void *mlx5_buf_offset(struct mlx5_buf *buf, int offset)
928 return buf->direct.buf + offset;
931 #define STRUCT_FIELD(header, field) \
932 .struct_offset_bytes = offsetof(struct ib_unpacked_ ## header, field), \
933 .struct_size_bytes = sizeof((struct ib_unpacked_ ## header *)0)->field
935 static inline struct mlx5_core_dev *pci2mlx5_core_dev(struct pci_dev *pdev)
937 return pci_get_drvdata(pdev);
940 extern struct dentry *mlx5_debugfs_root;
942 static inline u16 fw_rev_maj(struct mlx5_core_dev *dev)
944 return ioread32be(&dev->iseg->fw_rev) & 0xffff;
947 static inline u16 fw_rev_min(struct mlx5_core_dev *dev)
949 return ioread32be(&dev->iseg->fw_rev) >> 16;
952 static inline u16 fw_rev_sub(struct mlx5_core_dev *dev)
954 return ioread32be(&dev->iseg->cmdif_rev_fw_sub) & 0xffff;
957 static inline u16 cmdif_rev(struct mlx5_core_dev *dev)
959 return ioread32be(&dev->iseg->cmdif_rev_fw_sub) >> 16;
962 static inline u32 mlx5_base_mkey(const u32 key)
964 return key & 0xffffff00u;
967 int mlx5_cmd_init(struct mlx5_core_dev *dev);
968 void mlx5_cmd_cleanup(struct mlx5_core_dev *dev);
969 void mlx5_cmd_use_events(struct mlx5_core_dev *dev);
970 void mlx5_cmd_use_polling(struct mlx5_core_dev *dev);
972 int mlx5_cmd_exec(struct mlx5_core_dev *dev, void *in, int in_size, void *out,
974 int mlx5_cmd_exec_cb(struct mlx5_core_dev *dev, void *in, int in_size,
975 void *out, int out_size, mlx5_cmd_cbk_t callback,
977 int mlx5_cmd_exec_polling(struct mlx5_core_dev *dev, void *in, int in_size,
978 void *out, int out_size);
979 void mlx5_cmd_mbox_status(void *out, u8 *status, u32 *syndrome);
981 int mlx5_core_get_caps(struct mlx5_core_dev *dev, enum mlx5_cap_type cap_type);
982 int mlx5_cmd_alloc_uar(struct mlx5_core_dev *dev, u32 *uarn);
983 int mlx5_cmd_free_uar(struct mlx5_core_dev *dev, u32 uarn);
984 void mlx5_health_cleanup(struct mlx5_core_dev *dev);
985 int mlx5_health_init(struct mlx5_core_dev *dev);
986 void mlx5_start_health_poll(struct mlx5_core_dev *dev);
987 void mlx5_stop_health_poll(struct mlx5_core_dev *dev);
988 void mlx5_drain_health_wq(struct mlx5_core_dev *dev);
989 void mlx5_trigger_health_work(struct mlx5_core_dev *dev);
990 void mlx5_drain_health_recovery(struct mlx5_core_dev *dev);
991 int mlx5_buf_alloc_node(struct mlx5_core_dev *dev, int size,
992 struct mlx5_buf *buf, int node);
993 int mlx5_buf_alloc(struct mlx5_core_dev *dev, int size, struct mlx5_buf *buf);
994 void mlx5_buf_free(struct mlx5_core_dev *dev, struct mlx5_buf *buf);
995 int mlx5_frag_buf_alloc_node(struct mlx5_core_dev *dev, int size,
996 struct mlx5_frag_buf *buf, int node);
997 void mlx5_frag_buf_free(struct mlx5_core_dev *dev, struct mlx5_frag_buf *buf);
998 struct mlx5_cmd_mailbox *mlx5_alloc_cmd_mailbox_chain(struct mlx5_core_dev *dev,
999 gfp_t flags, int npages);
1000 void mlx5_free_cmd_mailbox_chain(struct mlx5_core_dev *dev,
1001 struct mlx5_cmd_mailbox *head);
1002 int mlx5_core_create_srq(struct mlx5_core_dev *dev, struct mlx5_core_srq *srq,
1003 struct mlx5_srq_attr *in);
1004 int mlx5_core_destroy_srq(struct mlx5_core_dev *dev, struct mlx5_core_srq *srq);
1005 int mlx5_core_query_srq(struct mlx5_core_dev *dev, struct mlx5_core_srq *srq,
1006 struct mlx5_srq_attr *out);
1007 int mlx5_core_arm_srq(struct mlx5_core_dev *dev, struct mlx5_core_srq *srq,
1008 u16 lwm, int is_srq);
1009 void mlx5_init_mkey_table(struct mlx5_core_dev *dev);
1010 void mlx5_cleanup_mkey_table(struct mlx5_core_dev *dev);
1011 int mlx5_core_create_mkey_cb(struct mlx5_core_dev *dev,
1012 struct mlx5_core_mkey *mkey,
1014 u32 *out, int outlen,
1015 mlx5_cmd_cbk_t callback, void *context);
1016 int mlx5_core_create_mkey(struct mlx5_core_dev *dev,
1017 struct mlx5_core_mkey *mkey,
1018 u32 *in, int inlen);
1019 int mlx5_core_destroy_mkey(struct mlx5_core_dev *dev,
1020 struct mlx5_core_mkey *mkey);
1021 int mlx5_core_query_mkey(struct mlx5_core_dev *dev, struct mlx5_core_mkey *mkey,
1022 u32 *out, int outlen);
1023 int mlx5_core_dump_fill_mkey(struct mlx5_core_dev *dev, struct mlx5_core_mkey *_mkey,
1025 int mlx5_core_alloc_pd(struct mlx5_core_dev *dev, u32 *pdn);
1026 int mlx5_core_dealloc_pd(struct mlx5_core_dev *dev, u32 pdn);
1027 int mlx5_core_mad_ifc(struct mlx5_core_dev *dev, const void *inb, void *outb,
1028 u16 opmod, u8 port);
1029 void mlx5_pagealloc_init(struct mlx5_core_dev *dev);
1030 void mlx5_pagealloc_cleanup(struct mlx5_core_dev *dev);
1031 int mlx5_pagealloc_start(struct mlx5_core_dev *dev);
1032 void mlx5_pagealloc_stop(struct mlx5_core_dev *dev);
1033 void mlx5_core_req_pages_handler(struct mlx5_core_dev *dev, u16 func_id,
1035 int mlx5_satisfy_startup_pages(struct mlx5_core_dev *dev, int boot);
1036 int mlx5_reclaim_startup_pages(struct mlx5_core_dev *dev);
1037 void mlx5_register_debugfs(void);
1038 void mlx5_unregister_debugfs(void);
1039 int mlx5_eq_init(struct mlx5_core_dev *dev);
1040 void mlx5_eq_cleanup(struct mlx5_core_dev *dev);
1041 void mlx5_fill_page_array(struct mlx5_buf *buf, __be64 *pas);
1042 void mlx5_fill_page_frag_array(struct mlx5_frag_buf *frag_buf, __be64 *pas);
1043 void mlx5_cq_completion(struct mlx5_core_dev *dev, u32 cqn);
1044 void mlx5_rsc_event(struct mlx5_core_dev *dev, u32 rsn, int event_type);
1045 void mlx5_srq_event(struct mlx5_core_dev *dev, u32 srqn, int event_type);
1046 struct mlx5_core_srq *mlx5_core_get_srq(struct mlx5_core_dev *dev, u32 srqn);
1047 void mlx5_cmd_comp_handler(struct mlx5_core_dev *dev, u64 vec, bool forced);
1048 void mlx5_cq_event(struct mlx5_core_dev *dev, u32 cqn, int event_type);
1049 int mlx5_create_map_eq(struct mlx5_core_dev *dev, struct mlx5_eq *eq, u8 vecidx,
1050 int nent, u64 mask, const char *name,
1051 enum mlx5_eq_type type);
1052 int mlx5_destroy_unmap_eq(struct mlx5_core_dev *dev, struct mlx5_eq *eq);
1053 int mlx5_start_eqs(struct mlx5_core_dev *dev);
1054 int mlx5_stop_eqs(struct mlx5_core_dev *dev);
1055 int mlx5_vector2eqn(struct mlx5_core_dev *dev, int vector, int *eqn,
1056 unsigned int *irqn);
1057 int mlx5_core_attach_mcg(struct mlx5_core_dev *dev, union ib_gid *mgid, u32 qpn);
1058 int mlx5_core_detach_mcg(struct mlx5_core_dev *dev, union ib_gid *mgid, u32 qpn);
1060 int mlx5_qp_debugfs_init(struct mlx5_core_dev *dev);
1061 void mlx5_qp_debugfs_cleanup(struct mlx5_core_dev *dev);
1062 int mlx5_core_access_reg(struct mlx5_core_dev *dev, void *data_in,
1063 int size_in, void *data_out, int size_out,
1064 u16 reg_num, int arg, int write);
1066 int mlx5_debug_eq_add(struct mlx5_core_dev *dev, struct mlx5_eq *eq);
1067 void mlx5_debug_eq_remove(struct mlx5_core_dev *dev, struct mlx5_eq *eq);
1068 int mlx5_core_eq_query(struct mlx5_core_dev *dev, struct mlx5_eq *eq,
1069 u32 *out, int outlen);
1070 int mlx5_eq_debugfs_init(struct mlx5_core_dev *dev);
1071 void mlx5_eq_debugfs_cleanup(struct mlx5_core_dev *dev);
1072 int mlx5_cq_debugfs_init(struct mlx5_core_dev *dev);
1073 void mlx5_cq_debugfs_cleanup(struct mlx5_core_dev *dev);
1074 int mlx5_db_alloc(struct mlx5_core_dev *dev, struct mlx5_db *db);
1075 int mlx5_db_alloc_node(struct mlx5_core_dev *dev, struct mlx5_db *db,
1077 void mlx5_db_free(struct mlx5_core_dev *dev, struct mlx5_db *db);
1079 const char *mlx5_command_str(int command);
1080 int mlx5_cmdif_debugfs_init(struct mlx5_core_dev *dev);
1081 void mlx5_cmdif_debugfs_cleanup(struct mlx5_core_dev *dev);
1082 int mlx5_core_create_psv(struct mlx5_core_dev *dev, u32 pdn,
1083 int npsvs, u32 *sig_index);
1084 int mlx5_core_destroy_psv(struct mlx5_core_dev *dev, int psv_num);
1085 void mlx5_core_put_rsc(struct mlx5_core_rsc_common *common);
1086 int mlx5_query_odp_caps(struct mlx5_core_dev *dev,
1087 struct mlx5_odp_caps *odp_caps);
1088 int mlx5_core_query_ib_ppcnt(struct mlx5_core_dev *dev,
1089 u8 port_num, void *out, size_t sz);
1090 #ifdef CONFIG_INFINIBAND_ON_DEMAND_PAGING
1091 int mlx5_core_page_fault_resume(struct mlx5_core_dev *dev, u32 token,
1092 u32 wq_num, u8 type, int error);
1095 int mlx5_init_rl_table(struct mlx5_core_dev *dev);
1096 void mlx5_cleanup_rl_table(struct mlx5_core_dev *dev);
1097 int mlx5_rl_add_rate(struct mlx5_core_dev *dev, u32 rate, u16 *index);
1098 void mlx5_rl_remove_rate(struct mlx5_core_dev *dev, u32 rate);
1099 bool mlx5_rl_is_in_range(struct mlx5_core_dev *dev, u32 rate);
1100 int mlx5_alloc_bfreg(struct mlx5_core_dev *mdev, struct mlx5_sq_bfreg *bfreg,
1101 bool map_wc, bool fast_path);
1102 void mlx5_free_bfreg(struct mlx5_core_dev *mdev, struct mlx5_sq_bfreg *bfreg);
1104 unsigned int mlx5_core_reserved_gids_count(struct mlx5_core_dev *dev);
1105 int mlx5_core_roce_gid_set(struct mlx5_core_dev *dev, unsigned int index,
1106 u8 roce_version, u8 roce_l3_type, const u8 *gid,
1107 const u8 *mac, bool vlan, u16 vlan_id);
1109 static inline int fw_initializing(struct mlx5_core_dev *dev)
1111 return ioread32be(&dev->iseg->initializing) >> 31;
1114 static inline u32 mlx5_mkey_to_idx(u32 mkey)
1119 static inline u32 mlx5_idx_to_mkey(u32 mkey_idx)
1121 return mkey_idx << 8;
1124 static inline u8 mlx5_mkey_variant(u32 mkey)
1130 MLX5_PROF_MASK_QP_SIZE = (u64)1 << 0,
1131 MLX5_PROF_MASK_MR_CACHE = (u64)1 << 1,
1135 MR_CACHE_LAST_STD_ENTRY = 20,
1136 MLX5_IMR_MTT_CACHE_ENTRY,
1137 MLX5_IMR_KSM_CACHE_ENTRY,
1138 MAX_MR_CACHE_ENTRIES
1142 MLX5_INTERFACE_PROTOCOL_IB = 0,
1143 MLX5_INTERFACE_PROTOCOL_ETH = 1,
1146 struct mlx5_interface {
1147 void * (*add)(struct mlx5_core_dev *dev);
1148 void (*remove)(struct mlx5_core_dev *dev, void *context);
1149 int (*attach)(struct mlx5_core_dev *dev, void *context);
1150 void (*detach)(struct mlx5_core_dev *dev, void *context);
1151 void (*event)(struct mlx5_core_dev *dev, void *context,
1152 enum mlx5_dev_event event, unsigned long param);
1153 void (*pfault)(struct mlx5_core_dev *dev,
1155 struct mlx5_pagefault *pfault);
1156 void * (*get_dev)(void *context);
1158 struct list_head list;
1161 void *mlx5_get_protocol_dev(struct mlx5_core_dev *mdev, int protocol);
1162 int mlx5_register_interface(struct mlx5_interface *intf);
1163 void mlx5_unregister_interface(struct mlx5_interface *intf);
1164 int mlx5_core_query_vendor_id(struct mlx5_core_dev *mdev, u32 *vendor_id);
1166 int mlx5_cmd_create_vport_lag(struct mlx5_core_dev *dev);
1167 int mlx5_cmd_destroy_vport_lag(struct mlx5_core_dev *dev);
1168 bool mlx5_lag_is_active(struct mlx5_core_dev *dev);
1169 struct net_device *mlx5_lag_get_roce_netdev(struct mlx5_core_dev *dev);
1170 int mlx5_lag_query_cong_counters(struct mlx5_core_dev *dev,
1174 struct mlx5_uars_page *mlx5_get_uars_page(struct mlx5_core_dev *mdev);
1175 void mlx5_put_uars_page(struct mlx5_core_dev *mdev, struct mlx5_uars_page *up);
1177 #ifndef CONFIG_MLX5_CORE_IPOIB
1179 struct net_device *mlx5_rdma_netdev_alloc(struct mlx5_core_dev *mdev,
1180 struct ib_device *ibdev,
1182 void (*setup)(struct net_device *))
1184 return ERR_PTR(-EOPNOTSUPP);
1187 static inline void mlx5_rdma_netdev_free(struct net_device *netdev) {}
1189 struct net_device *mlx5_rdma_netdev_alloc(struct mlx5_core_dev *mdev,
1190 struct ib_device *ibdev,
1192 void (*setup)(struct net_device *));
1193 void mlx5_rdma_netdev_free(struct net_device *netdev);
1194 #endif /* CONFIG_MLX5_CORE_IPOIB */
1196 struct mlx5_profile {
1202 } mr_cache[MAX_MR_CACHE_ENTRIES];
1206 MLX5_PCI_DEV_IS_VF = 1 << 0,
1209 static inline int mlx5_core_is_pf(struct mlx5_core_dev *dev)
1211 return !(dev->priv.pci_dev_data & MLX5_PCI_DEV_IS_VF);
1214 static inline int mlx5_get_gid_table_len(u16 param)
1217 pr_warn("gid table length is zero\n");
1221 return 8 * (1 << param);
1224 static inline bool mlx5_rl_is_supported(struct mlx5_core_dev *dev)
1226 return !!(dev->priv.rl_table.max_size);
1230 MLX5_TRIGGERED_CMD_COMP = (u64)1 << 32,
1233 static inline const struct cpumask *
1234 mlx5_get_vector_affinity(struct mlx5_core_dev *dev, int vector)
1236 return pci_irq_get_affinity(dev->pdev, MLX5_EQ_VEC_COMP_BASE + vector);
1239 #endif /* MLX5_DRIVER_H */