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/interrupt.h>
47 #include <linux/mlx5/device.h>
48 #include <linux/mlx5/doorbell.h>
49 #include <linux/mlx5/srq.h>
52 MLX5_BOARD_ID_LEN = 64,
53 MLX5_MAX_NAME_LEN = 16,
57 /* one minute for the sake of bringup. Generally, commands must always
58 * complete and we may need to increase this timeout value
60 MLX5_CMD_TIMEOUT_MSEC = 60 * 1000,
61 MLX5_CMD_WQ_MAX_NAME = 32,
67 CMD_STATUS_SUCCESS = 0,
73 MLX5_SQP_IEEE_1588 = 2,
75 MLX5_SQP_SYNC_UMR = 4,
83 MLX5_EQ_VEC_PAGES = 0,
85 MLX5_EQ_VEC_ASYNC = 2,
86 MLX5_EQ_VEC_COMP_BASE,
90 MLX5_MAX_IRQ_NAME = 32
94 MLX5_ATOMIC_MODE_IB_COMP = 1 << 16,
95 MLX5_ATOMIC_MODE_CX = 2 << 16,
96 MLX5_ATOMIC_MODE_8B = 3 << 16,
97 MLX5_ATOMIC_MODE_16B = 4 << 16,
98 MLX5_ATOMIC_MODE_32B = 5 << 16,
99 MLX5_ATOMIC_MODE_64B = 6 << 16,
100 MLX5_ATOMIC_MODE_128B = 7 << 16,
101 MLX5_ATOMIC_MODE_256B = 8 << 16,
105 MLX5_REG_QETCR = 0x4005,
106 MLX5_REG_QTCT = 0x400a,
107 MLX5_REG_PCAP = 0x5001,
108 MLX5_REG_PMTU = 0x5003,
109 MLX5_REG_PTYS = 0x5004,
110 MLX5_REG_PAOS = 0x5006,
111 MLX5_REG_PFCC = 0x5007,
112 MLX5_REG_PPCNT = 0x5008,
113 MLX5_REG_PMAOS = 0x5012,
114 MLX5_REG_PUDE = 0x5009,
115 MLX5_REG_PMPE = 0x5010,
116 MLX5_REG_PELC = 0x500e,
117 MLX5_REG_PVLC = 0x500f,
118 MLX5_REG_PCMR = 0x5041,
119 MLX5_REG_PMLP = 0x5002,
120 MLX5_REG_NODE_DESC = 0x6001,
121 MLX5_REG_HOST_ENDIANNESS = 0x7004,
122 MLX5_REG_MCIA = 0x9014,
123 MLX5_REG_MLCR = 0x902b,
124 MLX5_REG_MPCNT = 0x9051,
128 MLX5_ATOMIC_OPS_CMP_SWAP = 1 << 0,
129 MLX5_ATOMIC_OPS_FETCH_ADD = 1 << 1,
132 enum mlx5_page_fault_resume_flags {
133 MLX5_PAGE_FAULT_RESUME_REQUESTOR = 1 << 0,
134 MLX5_PAGE_FAULT_RESUME_WRITE = 1 << 1,
135 MLX5_PAGE_FAULT_RESUME_RDMA = 1 << 2,
136 MLX5_PAGE_FAULT_RESUME_ERROR = 1 << 7,
145 struct mlx5_field_desc {
150 struct mlx5_rsc_debug {
151 struct mlx5_core_dev *dev;
153 enum dbg_rsc_type type;
155 struct mlx5_field_desc fields[0];
158 enum mlx5_dev_event {
159 MLX5_DEV_EVENT_SYS_ERROR,
160 MLX5_DEV_EVENT_PORT_UP,
161 MLX5_DEV_EVENT_PORT_DOWN,
162 MLX5_DEV_EVENT_PORT_INITIALIZED,
163 MLX5_DEV_EVENT_LID_CHANGE,
164 MLX5_DEV_EVENT_PKEY_CHANGE,
165 MLX5_DEV_EVENT_GUID_CHANGE,
166 MLX5_DEV_EVENT_CLIENT_REREG,
169 enum mlx5_port_status {
174 struct mlx5_uuar_info {
175 struct mlx5_uar *uars;
177 int num_low_latency_uuars;
178 unsigned long *bitmap;
183 * protect uuar allocation data structs
191 void __iomem *regreg;
193 struct mlx5_uar *uar;
194 unsigned long offset;
196 /* protect blue flame buffer selection when needed
200 /* serialize 64 bit writes when done as two 32 bit accesses
206 struct mlx5_cmd_first {
210 struct mlx5_cmd_msg {
211 struct list_head list;
212 struct cmd_msg_cache *parent;
214 struct mlx5_cmd_first first;
215 struct mlx5_cmd_mailbox *next;
218 struct mlx5_cmd_debug {
219 struct dentry *dbg_root;
220 struct dentry *dbg_in;
221 struct dentry *dbg_out;
222 struct dentry *dbg_outlen;
223 struct dentry *dbg_status;
224 struct dentry *dbg_run;
232 struct cmd_msg_cache {
233 /* protect block chain allocations
236 struct list_head head;
237 unsigned int max_inbox_size;
238 unsigned int num_ent;
242 MLX5_NUM_COMMAND_CACHES = 5,
245 struct mlx5_cmd_stats {
250 struct dentry *count;
251 /* protect command average calculations */
257 dma_addr_t alloc_dma;
268 /* protect command queue allocations
270 spinlock_t alloc_lock;
272 /* protect token allocations
274 spinlock_t token_lock;
276 unsigned long bitmask;
277 char wq_name[MLX5_CMD_WQ_MAX_NAME];
278 struct workqueue_struct *wq;
279 struct semaphore sem;
280 struct semaphore pages_sem;
282 struct mlx5_cmd_work_ent *ent_arr[MLX5_MAX_COMMANDS];
283 struct pci_pool *pool;
284 struct mlx5_cmd_debug dbg;
285 struct cmd_msg_cache cache[MLX5_NUM_COMMAND_CACHES];
286 int checksum_disabled;
287 struct mlx5_cmd_stats stats[MLX5_CMD_OP_MAX];
290 struct mlx5_port_caps {
296 struct mlx5_cmd_mailbox {
299 struct mlx5_cmd_mailbox *next;
302 struct mlx5_buf_list {
308 struct mlx5_buf_list direct;
314 struct mlx5_eq_tasklet {
315 struct list_head list;
316 struct list_head process_list;
317 struct tasklet_struct task;
318 /* lock on completion tasklet list */
323 struct mlx5_core_dev *dev;
324 __be32 __iomem *doorbell;
332 struct list_head list;
334 struct mlx5_rsc_debug *dbg;
335 struct mlx5_eq_tasklet tasklet_ctx;
338 struct mlx5_core_psv {
350 struct mlx5_core_sig_ctx {
351 struct mlx5_core_psv psv_memory;
352 struct mlx5_core_psv psv_wire;
353 struct ib_sig_err err_item;
354 bool sig_status_checked;
359 struct mlx5_core_mkey {
367 MLX5_RES_QP = MLX5_EVENT_QUEUE_TYPE_QP,
368 MLX5_RES_RQ = MLX5_EVENT_QUEUE_TYPE_RQ,
369 MLX5_RES_SQ = MLX5_EVENT_QUEUE_TYPE_SQ,
374 struct mlx5_core_rsc_common {
375 enum mlx5_res_type res;
377 struct completion free;
380 struct mlx5_core_srq {
381 struct mlx5_core_rsc_common common; /* must be first */
385 int max_avail_gather;
387 void (*event) (struct mlx5_core_srq *, enum mlx5_event);
390 struct completion free;
393 struct mlx5_eq_table {
394 void __iomem *update_ci;
395 void __iomem *update_arm_ci;
396 struct list_head comp_eqs_list;
397 struct mlx5_eq pages_eq;
398 struct mlx5_eq async_eq;
399 struct mlx5_eq cmd_eq;
400 int num_comp_vectors;
408 struct list_head bf_list;
409 unsigned free_bf_bmap;
410 void __iomem *bf_map;
415 struct mlx5_core_health {
416 struct health_buffer __iomem *health;
417 __be32 __iomem *health_counter;
418 struct timer_list timer;
422 /* wq spinlock to synchronize draining */
424 struct workqueue_struct *wq;
426 struct work_struct work;
427 struct delayed_work recover_work;
430 struct mlx5_cq_table {
431 /* protect radix tree
434 struct radix_tree_root tree;
437 struct mlx5_qp_table {
438 /* protect radix tree
441 struct radix_tree_root tree;
444 struct mlx5_srq_table {
445 /* protect radix tree
448 struct radix_tree_root tree;
451 struct mlx5_mkey_table {
452 /* protect radix tree
455 struct radix_tree_root tree;
458 struct mlx5_vf_context {
462 struct mlx5_core_sriov {
463 struct mlx5_vf_context *vfs_ctx;
468 struct mlx5_irq_info {
470 char name[MLX5_MAX_IRQ_NAME];
473 struct mlx5_fc_stats {
474 struct rb_root counters;
475 struct list_head addlist;
476 /* protect addlist add/splice operations */
477 spinlock_t addlist_lock;
479 struct workqueue_struct *wq;
480 struct delayed_work work;
481 unsigned long next_query;
487 struct mlx5_rl_entry {
493 struct mlx5_rl_table {
494 /* protect rate limit table */
495 struct mutex rl_lock;
499 struct mlx5_rl_entry *rl_entry;
502 enum port_module_event_status_type {
503 MLX5_MODULE_STATUS_PLUGGED = 0x1,
504 MLX5_MODULE_STATUS_UNPLUGGED = 0x2,
505 MLX5_MODULE_STATUS_ERROR = 0x3,
506 MLX5_MODULE_STATUS_NUM = 0x3,
509 enum port_module_event_error_type {
510 MLX5_MODULE_EVENT_ERROR_POWER_BUDGET_EXCEEDED,
511 MLX5_MODULE_EVENT_ERROR_LONG_RANGE_FOR_NON_MLNX_CABLE_MODULE,
512 MLX5_MODULE_EVENT_ERROR_BUS_STUCK,
513 MLX5_MODULE_EVENT_ERROR_NO_EEPROM_RETRY_TIMEOUT,
514 MLX5_MODULE_EVENT_ERROR_ENFORCE_PART_NUMBER_LIST,
515 MLX5_MODULE_EVENT_ERROR_UNKNOWN_IDENTIFIER,
516 MLX5_MODULE_EVENT_ERROR_HIGH_TEMPERATURE,
517 MLX5_MODULE_EVENT_ERROR_BAD_CABLE,
518 MLX5_MODULE_EVENT_ERROR_UNKNOWN,
519 MLX5_MODULE_EVENT_ERROR_NUM,
522 struct mlx5_port_module_event_stats {
523 u64 status_counters[MLX5_MODULE_STATUS_NUM];
524 u64 error_counters[MLX5_MODULE_EVENT_ERROR_NUM];
528 char name[MLX5_MAX_NAME_LEN];
529 struct mlx5_eq_table eq_table;
530 struct msix_entry *msix_arr;
531 struct mlx5_irq_info *irq_info;
532 struct mlx5_uuar_info uuari;
533 MLX5_DECLARE_DOORBELL_LOCK(cq_uar_lock);
536 struct workqueue_struct *pg_wq;
537 struct rb_root page_root;
540 struct list_head free_list;
543 struct mlx5_core_health health;
545 struct mlx5_srq_table srq_table;
547 /* start: qp staff */
548 struct mlx5_qp_table qp_table;
549 struct dentry *qp_debugfs;
550 struct dentry *eq_debugfs;
551 struct dentry *cq_debugfs;
552 struct dentry *cmdif_debugfs;
555 /* start: cq staff */
556 struct mlx5_cq_table cq_table;
559 /* start: mkey staff */
560 struct mlx5_mkey_table mkey_table;
561 /* end: mkey staff */
563 /* start: alloc staff */
564 /* protect buffer alocation according to numa node */
565 struct mutex alloc_mutex;
568 struct mutex pgdir_mutex;
569 struct list_head pgdir_list;
570 /* end: alloc staff */
571 struct dentry *dbg_root;
573 /* protect mkey key part */
574 spinlock_t mkey_lock;
577 struct list_head dev_list;
578 struct list_head ctx_list;
581 struct mlx5_flow_steering *steering;
582 struct mlx5_eswitch *eswitch;
583 struct mlx5_core_sriov sriov;
584 struct mlx5_lag *lag;
585 unsigned long pci_dev_data;
586 struct mlx5_fc_stats fc_stats;
587 struct mlx5_rl_table rl_table;
589 struct mlx5_port_module_event_stats pme_stats;
592 enum mlx5_device_state {
593 MLX5_DEVICE_STATE_UP,
594 MLX5_DEVICE_STATE_INTERNAL_ERROR,
597 enum mlx5_interface_state {
598 MLX5_INTERFACE_STATE_DOWN = BIT(0),
599 MLX5_INTERFACE_STATE_UP = BIT(1),
600 MLX5_INTERFACE_STATE_SHUTDOWN = BIT(2),
603 enum mlx5_pci_status {
604 MLX5_PCI_STATUS_DISABLED,
605 MLX5_PCI_STATUS_ENABLED,
609 struct list_head tirs_list;
613 struct mlx5e_resources {
614 struct mlx5_uar cq_uar;
617 struct mlx5_core_mkey mkey;
620 struct mlx5_core_dev {
621 struct pci_dev *pdev;
623 struct mutex pci_status_mutex;
624 enum mlx5_pci_status pci_status;
626 char board_id[MLX5_BOARD_ID_LEN];
628 struct mlx5_port_caps port_caps[MLX5_MAX_PORTS];
629 u32 hca_caps_cur[MLX5_CAP_NUM][MLX5_UN_SZ_DW(hca_cap_union)];
630 u32 hca_caps_max[MLX5_CAP_NUM][MLX5_UN_SZ_DW(hca_cap_union)];
631 phys_addr_t iseg_base;
632 struct mlx5_init_seg __iomem *iseg;
633 enum mlx5_device_state state;
634 /* sync interface state */
635 struct mutex intf_state_mutex;
636 unsigned long intf_state;
637 void (*event) (struct mlx5_core_dev *dev,
638 enum mlx5_dev_event event,
639 unsigned long param);
640 struct mlx5_priv priv;
641 struct mlx5_profile *profile;
644 struct mlx5e_resources mlx5e_res;
645 #ifdef CONFIG_RFS_ACCEL
646 struct cpu_rmap *rmap;
653 struct mlx5_db_pgdir *pgdir;
654 struct mlx5_ib_user_db_page *user_page;
661 MLX5_COMP_EQ_SIZE = 1024,
665 MLX5_PTYS_IB = 1 << 0,
666 MLX5_PTYS_EN = 1 << 2,
669 typedef void (*mlx5_cmd_cbk_t)(int status, void *context);
671 struct mlx5_cmd_work_ent {
672 struct mlx5_cmd_msg *in;
673 struct mlx5_cmd_msg *out;
676 mlx5_cmd_cbk_t callback;
677 struct delayed_work cb_timeout_work;
680 struct completion done;
681 struct mlx5_cmd *cmd;
682 struct work_struct work;
683 struct mlx5_cmd_layout *lay;
698 enum port_state_policy {
699 MLX5_POLICY_DOWN = 0,
701 MLX5_POLICY_FOLLOW = 2,
702 MLX5_POLICY_INVALID = 0xffffffff
705 enum phy_port_state {
709 struct mlx5_hca_vport_context {
714 enum port_state_policy policy;
715 enum phy_port_state phys_state;
716 enum ib_port_state vport_state;
717 u8 port_physical_state;
726 u8 init_type_reply; /* bitmask: see ib spec 14.2.5.6 InitTypeReply */
731 u16 qkey_violation_counter;
732 u16 pkey_violation_counter;
736 static inline void *mlx5_buf_offset(struct mlx5_buf *buf, int offset)
738 return buf->direct.buf + offset;
741 extern struct workqueue_struct *mlx5_core_wq;
743 #define STRUCT_FIELD(header, field) \
744 .struct_offset_bytes = offsetof(struct ib_unpacked_ ## header, field), \
745 .struct_size_bytes = sizeof((struct ib_unpacked_ ## header *)0)->field
747 static inline struct mlx5_core_dev *pci2mlx5_core_dev(struct pci_dev *pdev)
749 return pci_get_drvdata(pdev);
752 extern struct dentry *mlx5_debugfs_root;
754 static inline u16 fw_rev_maj(struct mlx5_core_dev *dev)
756 return ioread32be(&dev->iseg->fw_rev) & 0xffff;
759 static inline u16 fw_rev_min(struct mlx5_core_dev *dev)
761 return ioread32be(&dev->iseg->fw_rev) >> 16;
764 static inline u16 fw_rev_sub(struct mlx5_core_dev *dev)
766 return ioread32be(&dev->iseg->cmdif_rev_fw_sub) & 0xffff;
769 static inline u16 cmdif_rev(struct mlx5_core_dev *dev)
771 return ioread32be(&dev->iseg->cmdif_rev_fw_sub) >> 16;
774 static inline void *mlx5_vzalloc(unsigned long size)
778 rtn = kzalloc(size, GFP_KERNEL | __GFP_NOWARN);
784 static inline u32 mlx5_base_mkey(const u32 key)
786 return key & 0xffffff00u;
789 int mlx5_cmd_init(struct mlx5_core_dev *dev);
790 void mlx5_cmd_cleanup(struct mlx5_core_dev *dev);
791 void mlx5_cmd_use_events(struct mlx5_core_dev *dev);
792 void mlx5_cmd_use_polling(struct mlx5_core_dev *dev);
794 int mlx5_cmd_exec(struct mlx5_core_dev *dev, void *in, int in_size, void *out,
796 int mlx5_cmd_exec_cb(struct mlx5_core_dev *dev, void *in, int in_size,
797 void *out, int out_size, mlx5_cmd_cbk_t callback,
799 void mlx5_cmd_mbox_status(void *out, u8 *status, u32 *syndrome);
801 int mlx5_core_get_caps(struct mlx5_core_dev *dev, enum mlx5_cap_type cap_type);
802 int mlx5_cmd_alloc_uar(struct mlx5_core_dev *dev, u32 *uarn);
803 int mlx5_cmd_free_uar(struct mlx5_core_dev *dev, u32 uarn);
804 int mlx5_alloc_uuars(struct mlx5_core_dev *dev, struct mlx5_uuar_info *uuari);
805 int mlx5_free_uuars(struct mlx5_core_dev *dev, struct mlx5_uuar_info *uuari);
806 int mlx5_alloc_map_uar(struct mlx5_core_dev *mdev, struct mlx5_uar *uar,
808 void mlx5_unmap_free_uar(struct mlx5_core_dev *mdev, struct mlx5_uar *uar);
809 void mlx5_health_cleanup(struct mlx5_core_dev *dev);
810 int mlx5_health_init(struct mlx5_core_dev *dev);
811 void mlx5_start_health_poll(struct mlx5_core_dev *dev);
812 void mlx5_stop_health_poll(struct mlx5_core_dev *dev);
813 void mlx5_drain_health_wq(struct mlx5_core_dev *dev);
814 int mlx5_buf_alloc_node(struct mlx5_core_dev *dev, int size,
815 struct mlx5_buf *buf, int node);
816 int mlx5_buf_alloc(struct mlx5_core_dev *dev, int size, struct mlx5_buf *buf);
817 void mlx5_buf_free(struct mlx5_core_dev *dev, struct mlx5_buf *buf);
818 struct mlx5_cmd_mailbox *mlx5_alloc_cmd_mailbox_chain(struct mlx5_core_dev *dev,
819 gfp_t flags, int npages);
820 void mlx5_free_cmd_mailbox_chain(struct mlx5_core_dev *dev,
821 struct mlx5_cmd_mailbox *head);
822 int mlx5_core_create_srq(struct mlx5_core_dev *dev, struct mlx5_core_srq *srq,
823 struct mlx5_srq_attr *in);
824 int mlx5_core_destroy_srq(struct mlx5_core_dev *dev, struct mlx5_core_srq *srq);
825 int mlx5_core_query_srq(struct mlx5_core_dev *dev, struct mlx5_core_srq *srq,
826 struct mlx5_srq_attr *out);
827 int mlx5_core_arm_srq(struct mlx5_core_dev *dev, struct mlx5_core_srq *srq,
828 u16 lwm, int is_srq);
829 void mlx5_init_mkey_table(struct mlx5_core_dev *dev);
830 void mlx5_cleanup_mkey_table(struct mlx5_core_dev *dev);
831 int mlx5_core_create_mkey_cb(struct mlx5_core_dev *dev,
832 struct mlx5_core_mkey *mkey,
834 u32 *out, int outlen,
835 mlx5_cmd_cbk_t callback, void *context);
836 int mlx5_core_create_mkey(struct mlx5_core_dev *dev,
837 struct mlx5_core_mkey *mkey,
839 int mlx5_core_destroy_mkey(struct mlx5_core_dev *dev,
840 struct mlx5_core_mkey *mkey);
841 int mlx5_core_query_mkey(struct mlx5_core_dev *dev, struct mlx5_core_mkey *mkey,
842 u32 *out, int outlen);
843 int mlx5_core_dump_fill_mkey(struct mlx5_core_dev *dev, struct mlx5_core_mkey *_mkey,
845 int mlx5_core_alloc_pd(struct mlx5_core_dev *dev, u32 *pdn);
846 int mlx5_core_dealloc_pd(struct mlx5_core_dev *dev, u32 pdn);
847 int mlx5_core_mad_ifc(struct mlx5_core_dev *dev, const void *inb, void *outb,
849 void mlx5_pagealloc_init(struct mlx5_core_dev *dev);
850 void mlx5_pagealloc_cleanup(struct mlx5_core_dev *dev);
851 int mlx5_pagealloc_start(struct mlx5_core_dev *dev);
852 void mlx5_pagealloc_stop(struct mlx5_core_dev *dev);
853 void mlx5_core_req_pages_handler(struct mlx5_core_dev *dev, u16 func_id,
855 int mlx5_satisfy_startup_pages(struct mlx5_core_dev *dev, int boot);
856 int mlx5_reclaim_startup_pages(struct mlx5_core_dev *dev);
857 void mlx5_register_debugfs(void);
858 void mlx5_unregister_debugfs(void);
859 int mlx5_eq_init(struct mlx5_core_dev *dev);
860 void mlx5_eq_cleanup(struct mlx5_core_dev *dev);
861 void mlx5_fill_page_array(struct mlx5_buf *buf, __be64 *pas);
862 void mlx5_cq_completion(struct mlx5_core_dev *dev, u32 cqn);
863 void mlx5_rsc_event(struct mlx5_core_dev *dev, u32 rsn, int event_type);
864 #ifdef CONFIG_INFINIBAND_ON_DEMAND_PAGING
865 void mlx5_eq_pagefault(struct mlx5_core_dev *dev, struct mlx5_eqe *eqe);
867 void mlx5_srq_event(struct mlx5_core_dev *dev, u32 srqn, int event_type);
868 struct mlx5_core_srq *mlx5_core_get_srq(struct mlx5_core_dev *dev, u32 srqn);
869 void mlx5_cmd_comp_handler(struct mlx5_core_dev *dev, u64 vec);
870 void mlx5_cq_event(struct mlx5_core_dev *dev, u32 cqn, int event_type);
871 int mlx5_create_map_eq(struct mlx5_core_dev *dev, struct mlx5_eq *eq, u8 vecidx,
872 int nent, u64 mask, const char *name, struct mlx5_uar *uar);
873 int mlx5_destroy_unmap_eq(struct mlx5_core_dev *dev, struct mlx5_eq *eq);
874 int mlx5_start_eqs(struct mlx5_core_dev *dev);
875 int mlx5_stop_eqs(struct mlx5_core_dev *dev);
876 int mlx5_vector2eqn(struct mlx5_core_dev *dev, int vector, int *eqn,
878 int mlx5_core_attach_mcg(struct mlx5_core_dev *dev, union ib_gid *mgid, u32 qpn);
879 int mlx5_core_detach_mcg(struct mlx5_core_dev *dev, union ib_gid *mgid, u32 qpn);
881 int mlx5_qp_debugfs_init(struct mlx5_core_dev *dev);
882 void mlx5_qp_debugfs_cleanup(struct mlx5_core_dev *dev);
883 int mlx5_core_access_reg(struct mlx5_core_dev *dev, void *data_in,
884 int size_in, void *data_out, int size_out,
885 u16 reg_num, int arg, int write);
887 int mlx5_debug_eq_add(struct mlx5_core_dev *dev, struct mlx5_eq *eq);
888 void mlx5_debug_eq_remove(struct mlx5_core_dev *dev, struct mlx5_eq *eq);
889 int mlx5_core_eq_query(struct mlx5_core_dev *dev, struct mlx5_eq *eq,
890 u32 *out, int outlen);
891 int mlx5_eq_debugfs_init(struct mlx5_core_dev *dev);
892 void mlx5_eq_debugfs_cleanup(struct mlx5_core_dev *dev);
893 int mlx5_cq_debugfs_init(struct mlx5_core_dev *dev);
894 void mlx5_cq_debugfs_cleanup(struct mlx5_core_dev *dev);
895 int mlx5_db_alloc(struct mlx5_core_dev *dev, struct mlx5_db *db);
896 int mlx5_db_alloc_node(struct mlx5_core_dev *dev, struct mlx5_db *db,
898 void mlx5_db_free(struct mlx5_core_dev *dev, struct mlx5_db *db);
900 const char *mlx5_command_str(int command);
901 int mlx5_cmdif_debugfs_init(struct mlx5_core_dev *dev);
902 void mlx5_cmdif_debugfs_cleanup(struct mlx5_core_dev *dev);
903 int mlx5_core_create_psv(struct mlx5_core_dev *dev, u32 pdn,
904 int npsvs, u32 *sig_index);
905 int mlx5_core_destroy_psv(struct mlx5_core_dev *dev, int psv_num);
906 void mlx5_core_put_rsc(struct mlx5_core_rsc_common *common);
907 int mlx5_query_odp_caps(struct mlx5_core_dev *dev,
908 struct mlx5_odp_caps *odp_caps);
909 int mlx5_core_query_ib_ppcnt(struct mlx5_core_dev *dev,
910 u8 port_num, void *out, size_t sz);
912 int mlx5_init_rl_table(struct mlx5_core_dev *dev);
913 void mlx5_cleanup_rl_table(struct mlx5_core_dev *dev);
914 int mlx5_rl_add_rate(struct mlx5_core_dev *dev, u32 rate, u16 *index);
915 void mlx5_rl_remove_rate(struct mlx5_core_dev *dev, u32 rate);
916 bool mlx5_rl_is_in_range(struct mlx5_core_dev *dev, u32 rate);
918 static inline int fw_initializing(struct mlx5_core_dev *dev)
920 return ioread32be(&dev->iseg->initializing) >> 31;
923 static inline u32 mlx5_mkey_to_idx(u32 mkey)
928 static inline u32 mlx5_idx_to_mkey(u32 mkey_idx)
930 return mkey_idx << 8;
933 static inline u8 mlx5_mkey_variant(u32 mkey)
939 MLX5_PROF_MASK_QP_SIZE = (u64)1 << 0,
940 MLX5_PROF_MASK_MR_CACHE = (u64)1 << 1,
944 MAX_MR_CACHE_ENTRIES = 16,
948 MLX5_INTERFACE_PROTOCOL_IB = 0,
949 MLX5_INTERFACE_PROTOCOL_ETH = 1,
952 struct mlx5_interface {
953 void * (*add)(struct mlx5_core_dev *dev);
954 void (*remove)(struct mlx5_core_dev *dev, void *context);
955 int (*attach)(struct mlx5_core_dev *dev, void *context);
956 void (*detach)(struct mlx5_core_dev *dev, void *context);
957 void (*event)(struct mlx5_core_dev *dev, void *context,
958 enum mlx5_dev_event event, unsigned long param);
959 void * (*get_dev)(void *context);
961 struct list_head list;
964 void *mlx5_get_protocol_dev(struct mlx5_core_dev *mdev, int protocol);
965 int mlx5_register_interface(struct mlx5_interface *intf);
966 void mlx5_unregister_interface(struct mlx5_interface *intf);
967 int mlx5_core_query_vendor_id(struct mlx5_core_dev *mdev, u32 *vendor_id);
969 int mlx5_cmd_create_vport_lag(struct mlx5_core_dev *dev);
970 int mlx5_cmd_destroy_vport_lag(struct mlx5_core_dev *dev);
971 bool mlx5_lag_is_active(struct mlx5_core_dev *dev);
972 struct net_device *mlx5_lag_get_roce_netdev(struct mlx5_core_dev *dev);
974 struct mlx5_profile {
980 } mr_cache[MAX_MR_CACHE_ENTRIES];
984 MLX5_PCI_DEV_IS_VF = 1 << 0,
987 static inline int mlx5_core_is_pf(struct mlx5_core_dev *dev)
989 return !(dev->priv.pci_dev_data & MLX5_PCI_DEV_IS_VF);
992 static inline int mlx5_get_gid_table_len(u16 param)
995 pr_warn("gid table length is zero\n");
999 return 8 * (1 << param);
1002 static inline bool mlx5_rl_is_supported(struct mlx5_core_dev *dev)
1004 return !!(dev->priv.rl_table.max_size);
1008 MLX5_TRIGGERED_CMD_COMP = (u64)1 << 32,
1011 #endif /* MLX5_DRIVER_H */