2 * Copyright (c) 2013-2015, Mellanox Technologies. All rights reserved.
4 * This software is available to you under a choice of one of two
5 * licenses. You may choose to be licensed under the terms of the GNU
6 * General Public License (GPL) Version 2, available from the file
7 * COPYING in the main directory of this source tree, or the
8 * OpenIB.org BSD license below:
10 * Redistribution and use in source and binary forms, with or
11 * without modification, are permitted provided that the following
14 * - Redistributions of source code must retain the above
15 * copyright notice, this list of conditions and the following
18 * - Redistributions in binary form must reproduce the above
19 * copyright notice, this list of conditions and the following
20 * disclaimer in the documentation and/or other materials
21 * provided with the distribution.
23 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
24 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
25 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
26 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
27 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
28 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
29 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
36 #include <linux/kernel.h>
37 #include <linux/completion.h>
38 #include <linux/pci.h>
39 #include <linux/spinlock_types.h>
40 #include <linux/semaphore.h>
41 #include <linux/slab.h>
42 #include <linux/vmalloc.h>
43 #include <linux/radix-tree.h>
44 #include <linux/workqueue.h>
45 #include <linux/mempool.h>
46 #include <linux/interrupt.h>
48 #include <linux/mlx5/device.h>
49 #include <linux/mlx5/doorbell.h>
50 #include <linux/mlx5/srq.h>
53 MLX5_BOARD_ID_LEN = 64,
54 MLX5_MAX_NAME_LEN = 16,
58 /* one minute for the sake of bringup. Generally, commands must always
59 * complete and we may need to increase this timeout value
61 MLX5_CMD_TIMEOUT_MSEC = 60 * 1000,
62 MLX5_CMD_WQ_MAX_NAME = 32,
68 CMD_STATUS_SUCCESS = 0,
74 MLX5_SQP_IEEE_1588 = 2,
76 MLX5_SQP_SYNC_UMR = 4,
84 MLX5_EQ_VEC_PAGES = 0,
86 MLX5_EQ_VEC_ASYNC = 2,
87 MLX5_EQ_VEC_PFAULT = 3,
88 MLX5_EQ_VEC_COMP_BASE,
92 MLX5_MAX_IRQ_NAME = 32
96 MLX5_ATOMIC_MODE_IB_COMP = 1 << 16,
97 MLX5_ATOMIC_MODE_CX = 2 << 16,
98 MLX5_ATOMIC_MODE_8B = 3 << 16,
99 MLX5_ATOMIC_MODE_16B = 4 << 16,
100 MLX5_ATOMIC_MODE_32B = 5 << 16,
101 MLX5_ATOMIC_MODE_64B = 6 << 16,
102 MLX5_ATOMIC_MODE_128B = 7 << 16,
103 MLX5_ATOMIC_MODE_256B = 8 << 16,
107 MLX5_REG_QETCR = 0x4005,
108 MLX5_REG_QTCT = 0x400a,
109 MLX5_REG_DCBX_PARAM = 0x4020,
110 MLX5_REG_DCBX_APP = 0x4021,
111 MLX5_REG_PCAP = 0x5001,
112 MLX5_REG_PMTU = 0x5003,
113 MLX5_REG_PTYS = 0x5004,
114 MLX5_REG_PAOS = 0x5006,
115 MLX5_REG_PFCC = 0x5007,
116 MLX5_REG_PPCNT = 0x5008,
117 MLX5_REG_PMAOS = 0x5012,
118 MLX5_REG_PUDE = 0x5009,
119 MLX5_REG_PMPE = 0x5010,
120 MLX5_REG_PELC = 0x500e,
121 MLX5_REG_PVLC = 0x500f,
122 MLX5_REG_PCMR = 0x5041,
123 MLX5_REG_PMLP = 0x5002,
124 MLX5_REG_NODE_DESC = 0x6001,
125 MLX5_REG_HOST_ENDIANNESS = 0x7004,
126 MLX5_REG_MCIA = 0x9014,
127 MLX5_REG_MLCR = 0x902b,
128 MLX5_REG_MPCNT = 0x9051,
131 enum mlx5_dcbx_oper_mode {
132 MLX5E_DCBX_PARAM_VER_OPER_HOST = 0x0,
133 MLX5E_DCBX_PARAM_VER_OPER_AUTO = 0x3,
137 MLX5_ATOMIC_OPS_CMP_SWAP = 1 << 0,
138 MLX5_ATOMIC_OPS_FETCH_ADD = 1 << 1,
141 enum mlx5_page_fault_resume_flags {
142 MLX5_PAGE_FAULT_RESUME_REQUESTOR = 1 << 0,
143 MLX5_PAGE_FAULT_RESUME_WRITE = 1 << 1,
144 MLX5_PAGE_FAULT_RESUME_RDMA = 1 << 2,
145 MLX5_PAGE_FAULT_RESUME_ERROR = 1 << 7,
154 struct mlx5_field_desc {
159 struct mlx5_rsc_debug {
160 struct mlx5_core_dev *dev;
162 enum dbg_rsc_type type;
164 struct mlx5_field_desc fields[0];
167 enum mlx5_dev_event {
168 MLX5_DEV_EVENT_SYS_ERROR,
169 MLX5_DEV_EVENT_PORT_UP,
170 MLX5_DEV_EVENT_PORT_DOWN,
171 MLX5_DEV_EVENT_PORT_INITIALIZED,
172 MLX5_DEV_EVENT_LID_CHANGE,
173 MLX5_DEV_EVENT_PKEY_CHANGE,
174 MLX5_DEV_EVENT_GUID_CHANGE,
175 MLX5_DEV_EVENT_CLIENT_REREG,
178 enum mlx5_port_status {
186 #ifdef CONFIG_INFINIBAND_ON_DEMAND_PAGING
191 struct mlx5_uuar_info {
192 struct mlx5_uar *uars;
194 int num_low_latency_uuars;
195 unsigned long *bitmap;
200 * protect uuar allocation data structs
208 void __iomem *regreg;
210 struct mlx5_uar *uar;
211 unsigned long offset;
213 /* protect blue flame buffer selection when needed
217 /* serialize 64 bit writes when done as two 32 bit accesses
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 */
274 dma_addr_t alloc_dma;
285 /* protect command queue allocations
287 spinlock_t alloc_lock;
289 /* protect token allocations
291 spinlock_t token_lock;
293 unsigned long bitmask;
294 char wq_name[MLX5_CMD_WQ_MAX_NAME];
295 struct workqueue_struct *wq;
296 struct semaphore sem;
297 struct semaphore pages_sem;
299 struct mlx5_cmd_work_ent *ent_arr[MLX5_MAX_COMMANDS];
300 struct pci_pool *pool;
301 struct mlx5_cmd_debug dbg;
302 struct cmd_msg_cache cache[MLX5_NUM_COMMAND_CACHES];
303 int checksum_disabled;
304 struct mlx5_cmd_stats stats[MLX5_CMD_OP_MAX];
307 struct mlx5_port_caps {
313 struct mlx5_cmd_mailbox {
316 struct mlx5_cmd_mailbox *next;
319 struct mlx5_buf_list {
325 struct mlx5_buf_list direct;
331 struct mlx5_frag_buf {
332 struct mlx5_buf_list *frags;
338 struct mlx5_eq_tasklet {
339 struct list_head list;
340 struct list_head process_list;
341 struct tasklet_struct task;
342 /* lock on completion tasklet list */
346 struct mlx5_eq_pagefault {
347 struct work_struct work;
348 /* Pagefaults lock */
350 struct workqueue_struct *wq;
355 struct mlx5_core_dev *dev;
356 __be32 __iomem *doorbell;
364 struct list_head list;
366 struct mlx5_rsc_debug *dbg;
367 enum mlx5_eq_type type;
369 struct mlx5_eq_tasklet tasklet_ctx;
370 #ifdef CONFIG_INFINIBAND_ON_DEMAND_PAGING
371 struct mlx5_eq_pagefault pf_ctx;
376 struct mlx5_core_psv {
388 struct mlx5_core_sig_ctx {
389 struct mlx5_core_psv psv_memory;
390 struct mlx5_core_psv psv_wire;
391 struct ib_sig_err err_item;
392 bool sig_status_checked;
397 struct mlx5_core_mkey {
404 #define MLX5_24BIT_MASK ((1 << 24) - 1)
407 MLX5_RES_QP = MLX5_EVENT_QUEUE_TYPE_QP,
408 MLX5_RES_RQ = MLX5_EVENT_QUEUE_TYPE_RQ,
409 MLX5_RES_SQ = MLX5_EVENT_QUEUE_TYPE_SQ,
414 struct mlx5_core_rsc_common {
415 enum mlx5_res_type res;
417 struct completion free;
420 struct mlx5_core_srq {
421 struct mlx5_core_rsc_common common; /* must be first */
425 int max_avail_gather;
427 void (*event) (struct mlx5_core_srq *, enum mlx5_event);
430 struct completion free;
433 struct mlx5_eq_table {
434 void __iomem *update_ci;
435 void __iomem *update_arm_ci;
436 struct list_head comp_eqs_list;
437 struct mlx5_eq pages_eq;
438 struct mlx5_eq async_eq;
439 struct mlx5_eq cmd_eq;
440 #ifdef CONFIG_INFINIBAND_ON_DEMAND_PAGING
441 struct mlx5_eq pfault_eq;
443 int num_comp_vectors;
451 struct list_head bf_list;
452 unsigned free_bf_bmap;
453 void __iomem *bf_map;
458 struct mlx5_core_health {
459 struct health_buffer __iomem *health;
460 __be32 __iomem *health_counter;
461 struct timer_list timer;
465 /* wq spinlock to synchronize draining */
467 struct workqueue_struct *wq;
469 struct work_struct work;
470 struct delayed_work recover_work;
473 struct mlx5_cq_table {
474 /* protect radix tree
477 struct radix_tree_root tree;
480 struct mlx5_qp_table {
481 /* protect radix tree
484 struct radix_tree_root tree;
487 struct mlx5_srq_table {
488 /* protect radix tree
491 struct radix_tree_root tree;
494 struct mlx5_mkey_table {
495 /* protect radix tree
498 struct radix_tree_root tree;
501 struct mlx5_vf_context {
505 struct mlx5_core_sriov {
506 struct mlx5_vf_context *vfs_ctx;
511 struct mlx5_irq_info {
513 char name[MLX5_MAX_IRQ_NAME];
516 struct mlx5_fc_stats {
517 struct rb_root counters;
518 struct list_head addlist;
519 /* protect addlist add/splice operations */
520 spinlock_t addlist_lock;
522 struct workqueue_struct *wq;
523 struct delayed_work work;
524 unsigned long next_query;
529 struct mlx5_pagefault;
531 struct mlx5_rl_entry {
537 struct mlx5_rl_table {
538 /* protect rate limit table */
539 struct mutex rl_lock;
543 struct mlx5_rl_entry *rl_entry;
546 enum port_module_event_status_type {
547 MLX5_MODULE_STATUS_PLUGGED = 0x1,
548 MLX5_MODULE_STATUS_UNPLUGGED = 0x2,
549 MLX5_MODULE_STATUS_ERROR = 0x3,
550 MLX5_MODULE_STATUS_NUM = 0x3,
553 enum port_module_event_error_type {
554 MLX5_MODULE_EVENT_ERROR_POWER_BUDGET_EXCEEDED,
555 MLX5_MODULE_EVENT_ERROR_LONG_RANGE_FOR_NON_MLNX_CABLE_MODULE,
556 MLX5_MODULE_EVENT_ERROR_BUS_STUCK,
557 MLX5_MODULE_EVENT_ERROR_NO_EEPROM_RETRY_TIMEOUT,
558 MLX5_MODULE_EVENT_ERROR_ENFORCE_PART_NUMBER_LIST,
559 MLX5_MODULE_EVENT_ERROR_UNKNOWN_IDENTIFIER,
560 MLX5_MODULE_EVENT_ERROR_HIGH_TEMPERATURE,
561 MLX5_MODULE_EVENT_ERROR_BAD_CABLE,
562 MLX5_MODULE_EVENT_ERROR_UNKNOWN,
563 MLX5_MODULE_EVENT_ERROR_NUM,
566 struct mlx5_port_module_event_stats {
567 u64 status_counters[MLX5_MODULE_STATUS_NUM];
568 u64 error_counters[MLX5_MODULE_EVENT_ERROR_NUM];
572 char name[MLX5_MAX_NAME_LEN];
573 struct mlx5_eq_table eq_table;
574 struct msix_entry *msix_arr;
575 struct mlx5_irq_info *irq_info;
576 struct mlx5_uuar_info uuari;
577 MLX5_DECLARE_DOORBELL_LOCK(cq_uar_lock);
580 struct workqueue_struct *pg_wq;
581 struct rb_root page_root;
584 struct list_head free_list;
587 struct mlx5_core_health health;
589 struct mlx5_srq_table srq_table;
591 /* start: qp staff */
592 struct mlx5_qp_table qp_table;
593 struct dentry *qp_debugfs;
594 struct dentry *eq_debugfs;
595 struct dentry *cq_debugfs;
596 struct dentry *cmdif_debugfs;
599 /* start: cq staff */
600 struct mlx5_cq_table cq_table;
603 /* start: mkey staff */
604 struct mlx5_mkey_table mkey_table;
605 /* end: mkey staff */
607 /* start: alloc staff */
608 /* protect buffer alocation according to numa node */
609 struct mutex alloc_mutex;
612 struct mutex pgdir_mutex;
613 struct list_head pgdir_list;
614 /* end: alloc staff */
615 struct dentry *dbg_root;
617 /* protect mkey key part */
618 spinlock_t mkey_lock;
621 struct list_head dev_list;
622 struct list_head ctx_list;
625 struct mlx5_flow_steering *steering;
626 struct mlx5_eswitch *eswitch;
627 struct mlx5_core_sriov sriov;
628 struct mlx5_lag *lag;
629 unsigned long pci_dev_data;
630 struct mlx5_fc_stats fc_stats;
631 struct mlx5_rl_table rl_table;
633 struct mlx5_port_module_event_stats pme_stats;
635 #ifdef CONFIG_INFINIBAND_ON_DEMAND_PAGING
636 void (*pfault)(struct mlx5_core_dev *dev,
638 struct mlx5_pagefault *pfault);
640 struct srcu_struct pfault_srcu;
644 enum mlx5_device_state {
645 MLX5_DEVICE_STATE_UP,
646 MLX5_DEVICE_STATE_INTERNAL_ERROR,
649 enum mlx5_interface_state {
650 MLX5_INTERFACE_STATE_DOWN = BIT(0),
651 MLX5_INTERFACE_STATE_UP = BIT(1),
652 MLX5_INTERFACE_STATE_SHUTDOWN = BIT(2),
655 enum mlx5_pci_status {
656 MLX5_PCI_STATUS_DISABLED,
657 MLX5_PCI_STATUS_ENABLED,
660 enum mlx5_pagefault_type_flags {
661 MLX5_PFAULT_REQUESTOR = 1 << 0,
662 MLX5_PFAULT_WRITE = 1 << 1,
663 MLX5_PFAULT_RDMA = 1 << 2,
666 /* Contains the details of a pagefault. */
667 struct mlx5_pagefault {
673 /* Initiator or send message responder pagefault details. */
675 /* Received packet size, only valid for responders. */
678 * Number of resource holding WQE, depends on type.
682 * WQE index. Refers to either the send queue or
683 * receive queue, according to event_subtype.
687 /* RDMA responder pagefault details */
691 * Received packet size, minimal size page fault
692 * resolution required for forward progress.
701 struct work_struct work;
705 struct list_head tirs_list;
709 struct mlx5e_resources {
710 struct mlx5_uar cq_uar;
713 struct mlx5_core_mkey mkey;
716 struct mlx5_core_dev {
717 struct pci_dev *pdev;
719 struct mutex pci_status_mutex;
720 enum mlx5_pci_status pci_status;
722 char board_id[MLX5_BOARD_ID_LEN];
724 struct mlx5_port_caps port_caps[MLX5_MAX_PORTS];
725 u32 hca_caps_cur[MLX5_CAP_NUM][MLX5_UN_SZ_DW(hca_cap_union)];
726 u32 hca_caps_max[MLX5_CAP_NUM][MLX5_UN_SZ_DW(hca_cap_union)];
727 phys_addr_t iseg_base;
728 struct mlx5_init_seg __iomem *iseg;
729 enum mlx5_device_state state;
730 /* sync interface state */
731 struct mutex intf_state_mutex;
732 unsigned long intf_state;
733 void (*event) (struct mlx5_core_dev *dev,
734 enum mlx5_dev_event event,
735 unsigned long param);
736 struct mlx5_priv priv;
737 struct mlx5_profile *profile;
740 struct mlx5e_resources mlx5e_res;
741 #ifdef CONFIG_RFS_ACCEL
742 struct cpu_rmap *rmap;
749 struct mlx5_db_pgdir *pgdir;
750 struct mlx5_ib_user_db_page *user_page;
757 MLX5_COMP_EQ_SIZE = 1024,
761 MLX5_PTYS_IB = 1 << 0,
762 MLX5_PTYS_EN = 1 << 2,
765 typedef void (*mlx5_cmd_cbk_t)(int status, void *context);
767 struct mlx5_cmd_work_ent {
768 struct mlx5_cmd_msg *in;
769 struct mlx5_cmd_msg *out;
772 mlx5_cmd_cbk_t callback;
773 struct delayed_work cb_timeout_work;
776 struct completion done;
777 struct mlx5_cmd *cmd;
778 struct work_struct work;
779 struct mlx5_cmd_layout *lay;
794 enum port_state_policy {
795 MLX5_POLICY_DOWN = 0,
797 MLX5_POLICY_FOLLOW = 2,
798 MLX5_POLICY_INVALID = 0xffffffff
801 enum phy_port_state {
805 struct mlx5_hca_vport_context {
810 enum port_state_policy policy;
811 enum phy_port_state phys_state;
812 enum ib_port_state vport_state;
813 u8 port_physical_state;
822 u8 init_type_reply; /* bitmask: see ib spec 14.2.5.6 InitTypeReply */
827 u16 qkey_violation_counter;
828 u16 pkey_violation_counter;
832 static inline void *mlx5_buf_offset(struct mlx5_buf *buf, int offset)
834 return buf->direct.buf + offset;
837 extern struct workqueue_struct *mlx5_core_wq;
839 #define STRUCT_FIELD(header, field) \
840 .struct_offset_bytes = offsetof(struct ib_unpacked_ ## header, field), \
841 .struct_size_bytes = sizeof((struct ib_unpacked_ ## header *)0)->field
843 static inline struct mlx5_core_dev *pci2mlx5_core_dev(struct pci_dev *pdev)
845 return pci_get_drvdata(pdev);
848 extern struct dentry *mlx5_debugfs_root;
850 static inline u16 fw_rev_maj(struct mlx5_core_dev *dev)
852 return ioread32be(&dev->iseg->fw_rev) & 0xffff;
855 static inline u16 fw_rev_min(struct mlx5_core_dev *dev)
857 return ioread32be(&dev->iseg->fw_rev) >> 16;
860 static inline u16 fw_rev_sub(struct mlx5_core_dev *dev)
862 return ioread32be(&dev->iseg->cmdif_rev_fw_sub) & 0xffff;
865 static inline u16 cmdif_rev(struct mlx5_core_dev *dev)
867 return ioread32be(&dev->iseg->cmdif_rev_fw_sub) >> 16;
870 static inline void *mlx5_vzalloc(unsigned long size)
874 rtn = kzalloc(size, GFP_KERNEL | __GFP_NOWARN);
880 static inline u32 mlx5_base_mkey(const u32 key)
882 return key & 0xffffff00u;
885 int mlx5_cmd_init(struct mlx5_core_dev *dev);
886 void mlx5_cmd_cleanup(struct mlx5_core_dev *dev);
887 void mlx5_cmd_use_events(struct mlx5_core_dev *dev);
888 void mlx5_cmd_use_polling(struct mlx5_core_dev *dev);
890 int mlx5_cmd_exec(struct mlx5_core_dev *dev, void *in, int in_size, void *out,
892 int mlx5_cmd_exec_cb(struct mlx5_core_dev *dev, void *in, int in_size,
893 void *out, int out_size, mlx5_cmd_cbk_t callback,
895 void mlx5_cmd_mbox_status(void *out, u8 *status, u32 *syndrome);
897 int mlx5_core_get_caps(struct mlx5_core_dev *dev, enum mlx5_cap_type cap_type);
898 int mlx5_cmd_alloc_uar(struct mlx5_core_dev *dev, u32 *uarn);
899 int mlx5_cmd_free_uar(struct mlx5_core_dev *dev, u32 uarn);
900 int mlx5_alloc_uuars(struct mlx5_core_dev *dev, struct mlx5_uuar_info *uuari);
901 int mlx5_free_uuars(struct mlx5_core_dev *dev, struct mlx5_uuar_info *uuari);
902 int mlx5_alloc_map_uar(struct mlx5_core_dev *mdev, struct mlx5_uar *uar,
904 void mlx5_unmap_free_uar(struct mlx5_core_dev *mdev, struct mlx5_uar *uar);
905 void mlx5_health_cleanup(struct mlx5_core_dev *dev);
906 int mlx5_health_init(struct mlx5_core_dev *dev);
907 void mlx5_start_health_poll(struct mlx5_core_dev *dev);
908 void mlx5_stop_health_poll(struct mlx5_core_dev *dev);
909 void mlx5_drain_health_wq(struct mlx5_core_dev *dev);
910 int mlx5_buf_alloc_node(struct mlx5_core_dev *dev, int size,
911 struct mlx5_buf *buf, int node);
912 int mlx5_buf_alloc(struct mlx5_core_dev *dev, int size, struct mlx5_buf *buf);
913 void mlx5_buf_free(struct mlx5_core_dev *dev, struct mlx5_buf *buf);
914 int mlx5_frag_buf_alloc_node(struct mlx5_core_dev *dev, int size,
915 struct mlx5_frag_buf *buf, int node);
916 void mlx5_frag_buf_free(struct mlx5_core_dev *dev, struct mlx5_frag_buf *buf);
917 struct mlx5_cmd_mailbox *mlx5_alloc_cmd_mailbox_chain(struct mlx5_core_dev *dev,
918 gfp_t flags, int npages);
919 void mlx5_free_cmd_mailbox_chain(struct mlx5_core_dev *dev,
920 struct mlx5_cmd_mailbox *head);
921 int mlx5_core_create_srq(struct mlx5_core_dev *dev, struct mlx5_core_srq *srq,
922 struct mlx5_srq_attr *in);
923 int mlx5_core_destroy_srq(struct mlx5_core_dev *dev, struct mlx5_core_srq *srq);
924 int mlx5_core_query_srq(struct mlx5_core_dev *dev, struct mlx5_core_srq *srq,
925 struct mlx5_srq_attr *out);
926 int mlx5_core_arm_srq(struct mlx5_core_dev *dev, struct mlx5_core_srq *srq,
927 u16 lwm, int is_srq);
928 void mlx5_init_mkey_table(struct mlx5_core_dev *dev);
929 void mlx5_cleanup_mkey_table(struct mlx5_core_dev *dev);
930 int mlx5_core_create_mkey_cb(struct mlx5_core_dev *dev,
931 struct mlx5_core_mkey *mkey,
933 u32 *out, int outlen,
934 mlx5_cmd_cbk_t callback, void *context);
935 int mlx5_core_create_mkey(struct mlx5_core_dev *dev,
936 struct mlx5_core_mkey *mkey,
938 int mlx5_core_destroy_mkey(struct mlx5_core_dev *dev,
939 struct mlx5_core_mkey *mkey);
940 int mlx5_core_query_mkey(struct mlx5_core_dev *dev, struct mlx5_core_mkey *mkey,
941 u32 *out, int outlen);
942 int mlx5_core_dump_fill_mkey(struct mlx5_core_dev *dev, struct mlx5_core_mkey *_mkey,
944 int mlx5_core_alloc_pd(struct mlx5_core_dev *dev, u32 *pdn);
945 int mlx5_core_dealloc_pd(struct mlx5_core_dev *dev, u32 pdn);
946 int mlx5_core_mad_ifc(struct mlx5_core_dev *dev, const void *inb, void *outb,
948 void mlx5_pagealloc_init(struct mlx5_core_dev *dev);
949 void mlx5_pagealloc_cleanup(struct mlx5_core_dev *dev);
950 int mlx5_pagealloc_start(struct mlx5_core_dev *dev);
951 void mlx5_pagealloc_stop(struct mlx5_core_dev *dev);
952 void mlx5_core_req_pages_handler(struct mlx5_core_dev *dev, u16 func_id,
954 int mlx5_satisfy_startup_pages(struct mlx5_core_dev *dev, int boot);
955 int mlx5_reclaim_startup_pages(struct mlx5_core_dev *dev);
956 void mlx5_register_debugfs(void);
957 void mlx5_unregister_debugfs(void);
958 int mlx5_eq_init(struct mlx5_core_dev *dev);
959 void mlx5_eq_cleanup(struct mlx5_core_dev *dev);
960 void mlx5_fill_page_array(struct mlx5_buf *buf, __be64 *pas);
961 void mlx5_fill_page_frag_array(struct mlx5_frag_buf *frag_buf, __be64 *pas);
962 void mlx5_cq_completion(struct mlx5_core_dev *dev, u32 cqn);
963 void mlx5_rsc_event(struct mlx5_core_dev *dev, u32 rsn, int event_type);
964 void mlx5_srq_event(struct mlx5_core_dev *dev, u32 srqn, int event_type);
965 struct mlx5_core_srq *mlx5_core_get_srq(struct mlx5_core_dev *dev, u32 srqn);
966 void mlx5_cmd_comp_handler(struct mlx5_core_dev *dev, u64 vec);
967 void mlx5_cq_event(struct mlx5_core_dev *dev, u32 cqn, int event_type);
968 int mlx5_create_map_eq(struct mlx5_core_dev *dev, struct mlx5_eq *eq, u8 vecidx,
969 int nent, u64 mask, const char *name,
970 struct mlx5_uar *uar, enum mlx5_eq_type type);
971 int mlx5_destroy_unmap_eq(struct mlx5_core_dev *dev, struct mlx5_eq *eq);
972 int mlx5_start_eqs(struct mlx5_core_dev *dev);
973 int mlx5_stop_eqs(struct mlx5_core_dev *dev);
974 int mlx5_vector2eqn(struct mlx5_core_dev *dev, int vector, int *eqn,
976 int mlx5_core_attach_mcg(struct mlx5_core_dev *dev, union ib_gid *mgid, u32 qpn);
977 int mlx5_core_detach_mcg(struct mlx5_core_dev *dev, union ib_gid *mgid, u32 qpn);
979 int mlx5_qp_debugfs_init(struct mlx5_core_dev *dev);
980 void mlx5_qp_debugfs_cleanup(struct mlx5_core_dev *dev);
981 int mlx5_core_access_reg(struct mlx5_core_dev *dev, void *data_in,
982 int size_in, void *data_out, int size_out,
983 u16 reg_num, int arg, int write);
985 int mlx5_debug_eq_add(struct mlx5_core_dev *dev, struct mlx5_eq *eq);
986 void mlx5_debug_eq_remove(struct mlx5_core_dev *dev, struct mlx5_eq *eq);
987 int mlx5_core_eq_query(struct mlx5_core_dev *dev, struct mlx5_eq *eq,
988 u32 *out, int outlen);
989 int mlx5_eq_debugfs_init(struct mlx5_core_dev *dev);
990 void mlx5_eq_debugfs_cleanup(struct mlx5_core_dev *dev);
991 int mlx5_cq_debugfs_init(struct mlx5_core_dev *dev);
992 void mlx5_cq_debugfs_cleanup(struct mlx5_core_dev *dev);
993 int mlx5_db_alloc(struct mlx5_core_dev *dev, struct mlx5_db *db);
994 int mlx5_db_alloc_node(struct mlx5_core_dev *dev, struct mlx5_db *db,
996 void mlx5_db_free(struct mlx5_core_dev *dev, struct mlx5_db *db);
998 const char *mlx5_command_str(int command);
999 int mlx5_cmdif_debugfs_init(struct mlx5_core_dev *dev);
1000 void mlx5_cmdif_debugfs_cleanup(struct mlx5_core_dev *dev);
1001 int mlx5_core_create_psv(struct mlx5_core_dev *dev, u32 pdn,
1002 int npsvs, u32 *sig_index);
1003 int mlx5_core_destroy_psv(struct mlx5_core_dev *dev, int psv_num);
1004 void mlx5_core_put_rsc(struct mlx5_core_rsc_common *common);
1005 int mlx5_query_odp_caps(struct mlx5_core_dev *dev,
1006 struct mlx5_odp_caps *odp_caps);
1007 int mlx5_core_query_ib_ppcnt(struct mlx5_core_dev *dev,
1008 u8 port_num, void *out, size_t sz);
1009 #ifdef CONFIG_INFINIBAND_ON_DEMAND_PAGING
1010 int mlx5_core_page_fault_resume(struct mlx5_core_dev *dev, u32 token,
1011 u32 wq_num, u8 type, int error);
1014 int mlx5_init_rl_table(struct mlx5_core_dev *dev);
1015 void mlx5_cleanup_rl_table(struct mlx5_core_dev *dev);
1016 int mlx5_rl_add_rate(struct mlx5_core_dev *dev, u32 rate, u16 *index);
1017 void mlx5_rl_remove_rate(struct mlx5_core_dev *dev, u32 rate);
1018 bool mlx5_rl_is_in_range(struct mlx5_core_dev *dev, u32 rate);
1020 static inline int fw_initializing(struct mlx5_core_dev *dev)
1022 return ioread32be(&dev->iseg->initializing) >> 31;
1025 static inline u32 mlx5_mkey_to_idx(u32 mkey)
1030 static inline u32 mlx5_idx_to_mkey(u32 mkey_idx)
1032 return mkey_idx << 8;
1035 static inline u8 mlx5_mkey_variant(u32 mkey)
1041 MLX5_PROF_MASK_QP_SIZE = (u64)1 << 0,
1042 MLX5_PROF_MASK_MR_CACHE = (u64)1 << 1,
1046 MAX_MR_CACHE_ENTRIES = 21,
1050 MLX5_INTERFACE_PROTOCOL_IB = 0,
1051 MLX5_INTERFACE_PROTOCOL_ETH = 1,
1054 struct mlx5_interface {
1055 void * (*add)(struct mlx5_core_dev *dev);
1056 void (*remove)(struct mlx5_core_dev *dev, void *context);
1057 int (*attach)(struct mlx5_core_dev *dev, void *context);
1058 void (*detach)(struct mlx5_core_dev *dev, void *context);
1059 void (*event)(struct mlx5_core_dev *dev, void *context,
1060 enum mlx5_dev_event event, unsigned long param);
1061 void (*pfault)(struct mlx5_core_dev *dev,
1063 struct mlx5_pagefault *pfault);
1064 void * (*get_dev)(void *context);
1066 struct list_head list;
1069 void *mlx5_get_protocol_dev(struct mlx5_core_dev *mdev, int protocol);
1070 int mlx5_register_interface(struct mlx5_interface *intf);
1071 void mlx5_unregister_interface(struct mlx5_interface *intf);
1072 int mlx5_core_query_vendor_id(struct mlx5_core_dev *mdev, u32 *vendor_id);
1074 int mlx5_cmd_create_vport_lag(struct mlx5_core_dev *dev);
1075 int mlx5_cmd_destroy_vport_lag(struct mlx5_core_dev *dev);
1076 bool mlx5_lag_is_active(struct mlx5_core_dev *dev);
1077 struct net_device *mlx5_lag_get_roce_netdev(struct mlx5_core_dev *dev);
1079 struct mlx5_profile {
1085 } mr_cache[MAX_MR_CACHE_ENTRIES];
1089 MLX5_PCI_DEV_IS_VF = 1 << 0,
1092 static inline int mlx5_core_is_pf(struct mlx5_core_dev *dev)
1094 return !(dev->priv.pci_dev_data & MLX5_PCI_DEV_IS_VF);
1097 static inline int mlx5_get_gid_table_len(u16 param)
1100 pr_warn("gid table length is zero\n");
1104 return 8 * (1 << param);
1107 static inline bool mlx5_rl_is_supported(struct mlx5_core_dev *dev)
1109 return !!(dev->priv.rl_table.max_size);
1113 MLX5_TRIGGERED_CMD_COMP = (u64)1 << 32,
1116 #endif /* MLX5_DRIVER_H */