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_bfreg_info {
192 struct mlx5_uar *uars;
194 int num_low_latency_bfregs;
195 unsigned long *bitmap;
200 * protect bfreg allocation data structs
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_frag_buf {
315 struct mlx5_buf_list *frags;
321 struct mlx5_eq_tasklet {
322 struct list_head list;
323 struct list_head process_list;
324 struct tasklet_struct task;
325 /* lock on completion tasklet list */
329 struct mlx5_eq_pagefault {
330 struct work_struct work;
331 /* Pagefaults lock */
333 struct workqueue_struct *wq;
338 struct mlx5_core_dev *dev;
339 __be32 __iomem *doorbell;
347 struct list_head list;
349 struct mlx5_rsc_debug *dbg;
350 enum mlx5_eq_type type;
352 struct mlx5_eq_tasklet tasklet_ctx;
353 #ifdef CONFIG_INFINIBAND_ON_DEMAND_PAGING
354 struct mlx5_eq_pagefault pf_ctx;
359 struct mlx5_core_psv {
371 struct mlx5_core_sig_ctx {
372 struct mlx5_core_psv psv_memory;
373 struct mlx5_core_psv psv_wire;
374 struct ib_sig_err err_item;
375 bool sig_status_checked;
385 struct mlx5_core_mkey {
393 #define MLX5_24BIT_MASK ((1 << 24) - 1)
396 MLX5_RES_QP = MLX5_EVENT_QUEUE_TYPE_QP,
397 MLX5_RES_RQ = MLX5_EVENT_QUEUE_TYPE_RQ,
398 MLX5_RES_SQ = MLX5_EVENT_QUEUE_TYPE_SQ,
403 struct mlx5_core_rsc_common {
404 enum mlx5_res_type res;
406 struct completion free;
409 struct mlx5_core_srq {
410 struct mlx5_core_rsc_common common; /* must be first */
414 int max_avail_gather;
416 void (*event) (struct mlx5_core_srq *, enum mlx5_event);
419 struct completion free;
422 struct mlx5_eq_table {
423 void __iomem *update_ci;
424 void __iomem *update_arm_ci;
425 struct list_head comp_eqs_list;
426 struct mlx5_eq pages_eq;
427 struct mlx5_eq async_eq;
428 struct mlx5_eq cmd_eq;
429 #ifdef CONFIG_INFINIBAND_ON_DEMAND_PAGING
430 struct mlx5_eq pfault_eq;
432 int num_comp_vectors;
438 struct mlx5_uars_page {
442 struct list_head list;
444 unsigned long *reg_bitmap; /* for non fast path bf regs */
445 unsigned long *fp_bitmap;
446 unsigned int reg_avail;
447 unsigned int fp_avail;
448 struct kref ref_count;
449 struct mlx5_core_dev *mdev;
452 struct mlx5_bfreg_head {
453 /* protect blue flame registers allocations */
455 struct list_head list;
458 struct mlx5_bfreg_data {
459 struct mlx5_bfreg_head reg_head;
460 struct mlx5_bfreg_head wc_head;
463 struct mlx5_sq_bfreg {
465 struct mlx5_uars_page *up;
473 struct list_head bf_list;
474 unsigned free_bf_bmap;
475 void __iomem *bf_map;
480 struct mlx5_core_health {
481 struct health_buffer __iomem *health;
482 __be32 __iomem *health_counter;
483 struct timer_list timer;
487 /* wq spinlock to synchronize draining */
489 struct workqueue_struct *wq;
491 struct work_struct work;
492 struct delayed_work recover_work;
495 struct mlx5_cq_table {
496 /* protect radix tree
499 struct radix_tree_root tree;
502 struct mlx5_qp_table {
503 /* protect radix tree
506 struct radix_tree_root tree;
509 struct mlx5_srq_table {
510 /* protect radix tree
513 struct radix_tree_root tree;
516 struct mlx5_mkey_table {
517 /* protect radix tree
520 struct radix_tree_root tree;
523 struct mlx5_vf_context {
527 struct mlx5_core_sriov {
528 struct mlx5_vf_context *vfs_ctx;
533 struct mlx5_irq_info {
535 char name[MLX5_MAX_IRQ_NAME];
538 struct mlx5_fc_stats {
539 struct rb_root counters;
540 struct list_head addlist;
541 /* protect addlist add/splice operations */
542 spinlock_t addlist_lock;
544 struct workqueue_struct *wq;
545 struct delayed_work work;
546 unsigned long next_query;
551 struct mlx5_pagefault;
553 struct mlx5_rl_entry {
559 struct mlx5_rl_table {
560 /* protect rate limit table */
561 struct mutex rl_lock;
565 struct mlx5_rl_entry *rl_entry;
568 enum port_module_event_status_type {
569 MLX5_MODULE_STATUS_PLUGGED = 0x1,
570 MLX5_MODULE_STATUS_UNPLUGGED = 0x2,
571 MLX5_MODULE_STATUS_ERROR = 0x3,
572 MLX5_MODULE_STATUS_NUM = 0x3,
575 enum port_module_event_error_type {
576 MLX5_MODULE_EVENT_ERROR_POWER_BUDGET_EXCEEDED,
577 MLX5_MODULE_EVENT_ERROR_LONG_RANGE_FOR_NON_MLNX_CABLE_MODULE,
578 MLX5_MODULE_EVENT_ERROR_BUS_STUCK,
579 MLX5_MODULE_EVENT_ERROR_NO_EEPROM_RETRY_TIMEOUT,
580 MLX5_MODULE_EVENT_ERROR_ENFORCE_PART_NUMBER_LIST,
581 MLX5_MODULE_EVENT_ERROR_UNKNOWN_IDENTIFIER,
582 MLX5_MODULE_EVENT_ERROR_HIGH_TEMPERATURE,
583 MLX5_MODULE_EVENT_ERROR_BAD_CABLE,
584 MLX5_MODULE_EVENT_ERROR_UNKNOWN,
585 MLX5_MODULE_EVENT_ERROR_NUM,
588 struct mlx5_port_module_event_stats {
589 u64 status_counters[MLX5_MODULE_STATUS_NUM];
590 u64 error_counters[MLX5_MODULE_EVENT_ERROR_NUM];
594 char name[MLX5_MAX_NAME_LEN];
595 struct mlx5_eq_table eq_table;
596 struct msix_entry *msix_arr;
597 struct mlx5_irq_info *irq_info;
600 struct workqueue_struct *pg_wq;
601 struct rb_root page_root;
604 struct list_head free_list;
607 struct mlx5_core_health health;
609 struct mlx5_srq_table srq_table;
611 /* start: qp staff */
612 struct mlx5_qp_table qp_table;
613 struct dentry *qp_debugfs;
614 struct dentry *eq_debugfs;
615 struct dentry *cq_debugfs;
616 struct dentry *cmdif_debugfs;
619 /* start: cq staff */
620 struct mlx5_cq_table cq_table;
623 /* start: mkey staff */
624 struct mlx5_mkey_table mkey_table;
625 /* end: mkey staff */
627 /* start: alloc staff */
628 /* protect buffer alocation according to numa node */
629 struct mutex alloc_mutex;
632 struct mutex pgdir_mutex;
633 struct list_head pgdir_list;
634 /* end: alloc staff */
635 struct dentry *dbg_root;
637 /* protect mkey key part */
638 spinlock_t mkey_lock;
641 struct list_head dev_list;
642 struct list_head ctx_list;
645 struct mlx5_flow_steering *steering;
646 struct mlx5_eswitch *eswitch;
647 struct mlx5_core_sriov sriov;
648 struct mlx5_lag *lag;
649 unsigned long pci_dev_data;
650 struct mlx5_fc_stats fc_stats;
651 struct mlx5_rl_table rl_table;
653 struct mlx5_port_module_event_stats pme_stats;
655 #ifdef CONFIG_INFINIBAND_ON_DEMAND_PAGING
656 void (*pfault)(struct mlx5_core_dev *dev,
658 struct mlx5_pagefault *pfault);
660 struct srcu_struct pfault_srcu;
662 struct mlx5_bfreg_data bfregs;
663 struct mlx5_uars_page *uar;
666 enum mlx5_device_state {
667 MLX5_DEVICE_STATE_UP,
668 MLX5_DEVICE_STATE_INTERNAL_ERROR,
671 enum mlx5_interface_state {
672 MLX5_INTERFACE_STATE_DOWN = BIT(0),
673 MLX5_INTERFACE_STATE_UP = BIT(1),
674 MLX5_INTERFACE_STATE_SHUTDOWN = BIT(2),
677 enum mlx5_pci_status {
678 MLX5_PCI_STATUS_DISABLED,
679 MLX5_PCI_STATUS_ENABLED,
682 enum mlx5_pagefault_type_flags {
683 MLX5_PFAULT_REQUESTOR = 1 << 0,
684 MLX5_PFAULT_WRITE = 1 << 1,
685 MLX5_PFAULT_RDMA = 1 << 2,
688 /* Contains the details of a pagefault. */
689 struct mlx5_pagefault {
695 /* Initiator or send message responder pagefault details. */
697 /* Received packet size, only valid for responders. */
700 * Number of resource holding WQE, depends on type.
704 * WQE index. Refers to either the send queue or
705 * receive queue, according to event_subtype.
709 /* RDMA responder pagefault details */
713 * Received packet size, minimal size page fault
714 * resolution required for forward progress.
723 struct work_struct work;
727 struct list_head tirs_list;
731 struct mlx5e_resources {
732 struct mlx5_uar cq_uar;
735 struct mlx5_core_mkey mkey;
738 struct mlx5_core_dev {
739 struct pci_dev *pdev;
741 struct mutex pci_status_mutex;
742 enum mlx5_pci_status pci_status;
744 char board_id[MLX5_BOARD_ID_LEN];
746 struct mlx5_port_caps port_caps[MLX5_MAX_PORTS];
747 u32 hca_caps_cur[MLX5_CAP_NUM][MLX5_UN_SZ_DW(hca_cap_union)];
748 u32 hca_caps_max[MLX5_CAP_NUM][MLX5_UN_SZ_DW(hca_cap_union)];
749 phys_addr_t iseg_base;
750 struct mlx5_init_seg __iomem *iseg;
751 enum mlx5_device_state state;
752 /* sync interface state */
753 struct mutex intf_state_mutex;
754 unsigned long intf_state;
755 void (*event) (struct mlx5_core_dev *dev,
756 enum mlx5_dev_event event,
757 unsigned long param);
758 struct mlx5_priv priv;
759 struct mlx5_profile *profile;
762 struct mlx5e_resources mlx5e_res;
763 #ifdef CONFIG_RFS_ACCEL
764 struct cpu_rmap *rmap;
771 struct mlx5_db_pgdir *pgdir;
772 struct mlx5_ib_user_db_page *user_page;
779 MLX5_COMP_EQ_SIZE = 1024,
783 MLX5_PTYS_IB = 1 << 0,
784 MLX5_PTYS_EN = 1 << 2,
787 typedef void (*mlx5_cmd_cbk_t)(int status, void *context);
789 struct mlx5_cmd_work_ent {
790 struct mlx5_cmd_msg *in;
791 struct mlx5_cmd_msg *out;
794 mlx5_cmd_cbk_t callback;
795 struct delayed_work cb_timeout_work;
798 struct completion done;
799 struct mlx5_cmd *cmd;
800 struct work_struct work;
801 struct mlx5_cmd_layout *lay;
816 enum port_state_policy {
817 MLX5_POLICY_DOWN = 0,
819 MLX5_POLICY_FOLLOW = 2,
820 MLX5_POLICY_INVALID = 0xffffffff
823 enum phy_port_state {
827 struct mlx5_hca_vport_context {
832 enum port_state_policy policy;
833 enum phy_port_state phys_state;
834 enum ib_port_state vport_state;
835 u8 port_physical_state;
844 u8 init_type_reply; /* bitmask: see ib spec 14.2.5.6 InitTypeReply */
849 u16 qkey_violation_counter;
850 u16 pkey_violation_counter;
854 static inline void *mlx5_buf_offset(struct mlx5_buf *buf, int offset)
856 return buf->direct.buf + offset;
859 extern struct workqueue_struct *mlx5_core_wq;
861 #define STRUCT_FIELD(header, field) \
862 .struct_offset_bytes = offsetof(struct ib_unpacked_ ## header, field), \
863 .struct_size_bytes = sizeof((struct ib_unpacked_ ## header *)0)->field
865 static inline struct mlx5_core_dev *pci2mlx5_core_dev(struct pci_dev *pdev)
867 return pci_get_drvdata(pdev);
870 extern struct dentry *mlx5_debugfs_root;
872 static inline u16 fw_rev_maj(struct mlx5_core_dev *dev)
874 return ioread32be(&dev->iseg->fw_rev) & 0xffff;
877 static inline u16 fw_rev_min(struct mlx5_core_dev *dev)
879 return ioread32be(&dev->iseg->fw_rev) >> 16;
882 static inline u16 fw_rev_sub(struct mlx5_core_dev *dev)
884 return ioread32be(&dev->iseg->cmdif_rev_fw_sub) & 0xffff;
887 static inline u16 cmdif_rev(struct mlx5_core_dev *dev)
889 return ioread32be(&dev->iseg->cmdif_rev_fw_sub) >> 16;
892 static inline void *mlx5_vzalloc(unsigned long size)
896 rtn = kzalloc(size, GFP_KERNEL | __GFP_NOWARN);
902 static inline u32 mlx5_base_mkey(const u32 key)
904 return key & 0xffffff00u;
907 int mlx5_cmd_init(struct mlx5_core_dev *dev);
908 void mlx5_cmd_cleanup(struct mlx5_core_dev *dev);
909 void mlx5_cmd_use_events(struct mlx5_core_dev *dev);
910 void mlx5_cmd_use_polling(struct mlx5_core_dev *dev);
912 int mlx5_cmd_exec(struct mlx5_core_dev *dev, void *in, int in_size, void *out,
914 int mlx5_cmd_exec_cb(struct mlx5_core_dev *dev, void *in, int in_size,
915 void *out, int out_size, mlx5_cmd_cbk_t callback,
917 void mlx5_cmd_mbox_status(void *out, u8 *status, u32 *syndrome);
919 int mlx5_core_get_caps(struct mlx5_core_dev *dev, enum mlx5_cap_type cap_type);
920 int mlx5_cmd_alloc_uar(struct mlx5_core_dev *dev, u32 *uarn);
921 int mlx5_cmd_free_uar(struct mlx5_core_dev *dev, u32 uarn);
922 int mlx5_alloc_bfregs(struct mlx5_core_dev *dev, struct mlx5_bfreg_info *bfregi);
923 int mlx5_free_bfregs(struct mlx5_core_dev *dev, struct mlx5_bfreg_info *bfregi);
924 int mlx5_alloc_map_uar(struct mlx5_core_dev *mdev, struct mlx5_uar *uar,
926 void mlx5_unmap_free_uar(struct mlx5_core_dev *mdev, struct mlx5_uar *uar);
927 void mlx5_health_cleanup(struct mlx5_core_dev *dev);
928 int mlx5_health_init(struct mlx5_core_dev *dev);
929 void mlx5_start_health_poll(struct mlx5_core_dev *dev);
930 void mlx5_stop_health_poll(struct mlx5_core_dev *dev);
931 void mlx5_drain_health_wq(struct mlx5_core_dev *dev);
932 int mlx5_buf_alloc_node(struct mlx5_core_dev *dev, int size,
933 struct mlx5_buf *buf, int node);
934 int mlx5_buf_alloc(struct mlx5_core_dev *dev, int size, struct mlx5_buf *buf);
935 void mlx5_buf_free(struct mlx5_core_dev *dev, struct mlx5_buf *buf);
936 int mlx5_frag_buf_alloc_node(struct mlx5_core_dev *dev, int size,
937 struct mlx5_frag_buf *buf, int node);
938 void mlx5_frag_buf_free(struct mlx5_core_dev *dev, struct mlx5_frag_buf *buf);
939 struct mlx5_cmd_mailbox *mlx5_alloc_cmd_mailbox_chain(struct mlx5_core_dev *dev,
940 gfp_t flags, int npages);
941 void mlx5_free_cmd_mailbox_chain(struct mlx5_core_dev *dev,
942 struct mlx5_cmd_mailbox *head);
943 int mlx5_core_create_srq(struct mlx5_core_dev *dev, struct mlx5_core_srq *srq,
944 struct mlx5_srq_attr *in);
945 int mlx5_core_destroy_srq(struct mlx5_core_dev *dev, struct mlx5_core_srq *srq);
946 int mlx5_core_query_srq(struct mlx5_core_dev *dev, struct mlx5_core_srq *srq,
947 struct mlx5_srq_attr *out);
948 int mlx5_core_arm_srq(struct mlx5_core_dev *dev, struct mlx5_core_srq *srq,
949 u16 lwm, int is_srq);
950 void mlx5_init_mkey_table(struct mlx5_core_dev *dev);
951 void mlx5_cleanup_mkey_table(struct mlx5_core_dev *dev);
952 int mlx5_core_create_mkey_cb(struct mlx5_core_dev *dev,
953 struct mlx5_core_mkey *mkey,
955 u32 *out, int outlen,
956 mlx5_cmd_cbk_t callback, void *context);
957 int mlx5_core_create_mkey(struct mlx5_core_dev *dev,
958 struct mlx5_core_mkey *mkey,
960 int mlx5_core_destroy_mkey(struct mlx5_core_dev *dev,
961 struct mlx5_core_mkey *mkey);
962 int mlx5_core_query_mkey(struct mlx5_core_dev *dev, struct mlx5_core_mkey *mkey,
963 u32 *out, int outlen);
964 int mlx5_core_dump_fill_mkey(struct mlx5_core_dev *dev, struct mlx5_core_mkey *_mkey,
966 int mlx5_core_alloc_pd(struct mlx5_core_dev *dev, u32 *pdn);
967 int mlx5_core_dealloc_pd(struct mlx5_core_dev *dev, u32 pdn);
968 int mlx5_core_mad_ifc(struct mlx5_core_dev *dev, const void *inb, void *outb,
970 void mlx5_pagealloc_init(struct mlx5_core_dev *dev);
971 void mlx5_pagealloc_cleanup(struct mlx5_core_dev *dev);
972 int mlx5_pagealloc_start(struct mlx5_core_dev *dev);
973 void mlx5_pagealloc_stop(struct mlx5_core_dev *dev);
974 void mlx5_core_req_pages_handler(struct mlx5_core_dev *dev, u16 func_id,
976 int mlx5_satisfy_startup_pages(struct mlx5_core_dev *dev, int boot);
977 int mlx5_reclaim_startup_pages(struct mlx5_core_dev *dev);
978 void mlx5_register_debugfs(void);
979 void mlx5_unregister_debugfs(void);
980 int mlx5_eq_init(struct mlx5_core_dev *dev);
981 void mlx5_eq_cleanup(struct mlx5_core_dev *dev);
982 void mlx5_fill_page_array(struct mlx5_buf *buf, __be64 *pas);
983 void mlx5_fill_page_frag_array(struct mlx5_frag_buf *frag_buf, __be64 *pas);
984 void mlx5_cq_completion(struct mlx5_core_dev *dev, u32 cqn);
985 void mlx5_rsc_event(struct mlx5_core_dev *dev, u32 rsn, int event_type);
986 void mlx5_srq_event(struct mlx5_core_dev *dev, u32 srqn, int event_type);
987 struct mlx5_core_srq *mlx5_core_get_srq(struct mlx5_core_dev *dev, u32 srqn);
988 void mlx5_cmd_comp_handler(struct mlx5_core_dev *dev, u64 vec);
989 void mlx5_cq_event(struct mlx5_core_dev *dev, u32 cqn, int event_type);
990 int mlx5_create_map_eq(struct mlx5_core_dev *dev, struct mlx5_eq *eq, u8 vecidx,
991 int nent, u64 mask, const char *name,
992 enum mlx5_eq_type type);
993 int mlx5_destroy_unmap_eq(struct mlx5_core_dev *dev, struct mlx5_eq *eq);
994 int mlx5_start_eqs(struct mlx5_core_dev *dev);
995 int mlx5_stop_eqs(struct mlx5_core_dev *dev);
996 int mlx5_vector2eqn(struct mlx5_core_dev *dev, int vector, int *eqn,
998 int mlx5_core_attach_mcg(struct mlx5_core_dev *dev, union ib_gid *mgid, u32 qpn);
999 int mlx5_core_detach_mcg(struct mlx5_core_dev *dev, union ib_gid *mgid, u32 qpn);
1001 int mlx5_qp_debugfs_init(struct mlx5_core_dev *dev);
1002 void mlx5_qp_debugfs_cleanup(struct mlx5_core_dev *dev);
1003 int mlx5_core_access_reg(struct mlx5_core_dev *dev, void *data_in,
1004 int size_in, void *data_out, int size_out,
1005 u16 reg_num, int arg, int write);
1007 int mlx5_debug_eq_add(struct mlx5_core_dev *dev, struct mlx5_eq *eq);
1008 void mlx5_debug_eq_remove(struct mlx5_core_dev *dev, struct mlx5_eq *eq);
1009 int mlx5_core_eq_query(struct mlx5_core_dev *dev, struct mlx5_eq *eq,
1010 u32 *out, int outlen);
1011 int mlx5_eq_debugfs_init(struct mlx5_core_dev *dev);
1012 void mlx5_eq_debugfs_cleanup(struct mlx5_core_dev *dev);
1013 int mlx5_cq_debugfs_init(struct mlx5_core_dev *dev);
1014 void mlx5_cq_debugfs_cleanup(struct mlx5_core_dev *dev);
1015 int mlx5_db_alloc(struct mlx5_core_dev *dev, struct mlx5_db *db);
1016 int mlx5_db_alloc_node(struct mlx5_core_dev *dev, struct mlx5_db *db,
1018 void mlx5_db_free(struct mlx5_core_dev *dev, struct mlx5_db *db);
1020 const char *mlx5_command_str(int command);
1021 int mlx5_cmdif_debugfs_init(struct mlx5_core_dev *dev);
1022 void mlx5_cmdif_debugfs_cleanup(struct mlx5_core_dev *dev);
1023 int mlx5_core_create_psv(struct mlx5_core_dev *dev, u32 pdn,
1024 int npsvs, u32 *sig_index);
1025 int mlx5_core_destroy_psv(struct mlx5_core_dev *dev, int psv_num);
1026 void mlx5_core_put_rsc(struct mlx5_core_rsc_common *common);
1027 int mlx5_query_odp_caps(struct mlx5_core_dev *dev,
1028 struct mlx5_odp_caps *odp_caps);
1029 int mlx5_core_query_ib_ppcnt(struct mlx5_core_dev *dev,
1030 u8 port_num, void *out, size_t sz);
1031 #ifdef CONFIG_INFINIBAND_ON_DEMAND_PAGING
1032 int mlx5_core_page_fault_resume(struct mlx5_core_dev *dev, u32 token,
1033 u32 wq_num, u8 type, int error);
1036 int mlx5_init_rl_table(struct mlx5_core_dev *dev);
1037 void mlx5_cleanup_rl_table(struct mlx5_core_dev *dev);
1038 int mlx5_rl_add_rate(struct mlx5_core_dev *dev, u32 rate, u16 *index);
1039 void mlx5_rl_remove_rate(struct mlx5_core_dev *dev, u32 rate);
1040 bool mlx5_rl_is_in_range(struct mlx5_core_dev *dev, u32 rate);
1041 int mlx5_alloc_bfreg(struct mlx5_core_dev *mdev, struct mlx5_sq_bfreg *bfreg,
1042 bool map_wc, bool fast_path);
1043 void mlx5_free_bfreg(struct mlx5_core_dev *mdev, struct mlx5_sq_bfreg *bfreg);
1045 static inline int fw_initializing(struct mlx5_core_dev *dev)
1047 return ioread32be(&dev->iseg->initializing) >> 31;
1050 static inline u32 mlx5_mkey_to_idx(u32 mkey)
1055 static inline u32 mlx5_idx_to_mkey(u32 mkey_idx)
1057 return mkey_idx << 8;
1060 static inline u8 mlx5_mkey_variant(u32 mkey)
1066 MLX5_PROF_MASK_QP_SIZE = (u64)1 << 0,
1067 MLX5_PROF_MASK_MR_CACHE = (u64)1 << 1,
1071 MAX_MR_CACHE_ENTRIES = 21,
1075 MLX5_INTERFACE_PROTOCOL_IB = 0,
1076 MLX5_INTERFACE_PROTOCOL_ETH = 1,
1079 struct mlx5_interface {
1080 void * (*add)(struct mlx5_core_dev *dev);
1081 void (*remove)(struct mlx5_core_dev *dev, void *context);
1082 int (*attach)(struct mlx5_core_dev *dev, void *context);
1083 void (*detach)(struct mlx5_core_dev *dev, void *context);
1084 void (*event)(struct mlx5_core_dev *dev, void *context,
1085 enum mlx5_dev_event event, unsigned long param);
1086 void (*pfault)(struct mlx5_core_dev *dev,
1088 struct mlx5_pagefault *pfault);
1089 void * (*get_dev)(void *context);
1091 struct list_head list;
1094 void *mlx5_get_protocol_dev(struct mlx5_core_dev *mdev, int protocol);
1095 int mlx5_register_interface(struct mlx5_interface *intf);
1096 void mlx5_unregister_interface(struct mlx5_interface *intf);
1097 int mlx5_core_query_vendor_id(struct mlx5_core_dev *mdev, u32 *vendor_id);
1099 int mlx5_cmd_create_vport_lag(struct mlx5_core_dev *dev);
1100 int mlx5_cmd_destroy_vport_lag(struct mlx5_core_dev *dev);
1101 bool mlx5_lag_is_active(struct mlx5_core_dev *dev);
1102 struct net_device *mlx5_lag_get_roce_netdev(struct mlx5_core_dev *dev);
1103 struct mlx5_uars_page *mlx5_get_uars_page(struct mlx5_core_dev *mdev);
1104 void mlx5_put_uars_page(struct mlx5_core_dev *mdev, struct mlx5_uars_page *up);
1106 struct mlx5_profile {
1112 } mr_cache[MAX_MR_CACHE_ENTRIES];
1116 MLX5_PCI_DEV_IS_VF = 1 << 0,
1119 static inline int mlx5_core_is_pf(struct mlx5_core_dev *dev)
1121 return !(dev->priv.pci_dev_data & MLX5_PCI_DEV_IS_VF);
1124 static inline int mlx5_get_gid_table_len(u16 param)
1127 pr_warn("gid table length is zero\n");
1131 return 8 * (1 << param);
1134 static inline bool mlx5_rl_is_supported(struct mlx5_core_dev *dev)
1136 return !!(dev->priv.rl_table.max_size);
1140 MLX5_TRIGGERED_CMD_COMP = (u64)1 << 32,
1143 #endif /* MLX5_DRIVER_H */