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>
46 #include <linux/mlx5/device.h>
47 #include <linux/mlx5/doorbell.h>
50 MLX5_RQ_BITMASK_VSD = 1 << 1,
54 MLX5_BOARD_ID_LEN = 64,
55 MLX5_MAX_NAME_LEN = 16,
59 /* one minute for the sake of bringup. Generally, commands must always
60 * complete and we may need to increase this timeout value
62 MLX5_CMD_TIMEOUT_MSEC = 60 * 1000,
63 MLX5_CMD_WQ_MAX_NAME = 32,
69 CMD_STATUS_SUCCESS = 0,
75 MLX5_SQP_IEEE_1588 = 2,
77 MLX5_SQP_SYNC_UMR = 4,
85 MLX5_EQ_VEC_PAGES = 0,
87 MLX5_EQ_VEC_ASYNC = 2,
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_PCAP = 0x5001,
110 MLX5_REG_PMTU = 0x5003,
111 MLX5_REG_PTYS = 0x5004,
112 MLX5_REG_PAOS = 0x5006,
113 MLX5_REG_PFCC = 0x5007,
114 MLX5_REG_PPCNT = 0x5008,
115 MLX5_REG_PMAOS = 0x5012,
116 MLX5_REG_PUDE = 0x5009,
117 MLX5_REG_PMPE = 0x5010,
118 MLX5_REG_PELC = 0x500e,
119 MLX5_REG_PVLC = 0x500f,
120 MLX5_REG_PCMR = 0x5041,
121 MLX5_REG_PMLP = 0x5002,
122 MLX5_REG_NODE_DESC = 0x6001,
123 MLX5_REG_HOST_ENDIANNESS = 0x7004,
124 MLX5_REG_MCIA = 0x9014,
125 MLX5_REG_MLCR = 0x902b,
129 MLX5_ATOMIC_OPS_CMP_SWAP = 1 << 0,
130 MLX5_ATOMIC_OPS_FETCH_ADD = 1 << 1,
133 enum mlx5_page_fault_resume_flags {
134 MLX5_PAGE_FAULT_RESUME_REQUESTOR = 1 << 0,
135 MLX5_PAGE_FAULT_RESUME_WRITE = 1 << 1,
136 MLX5_PAGE_FAULT_RESUME_RDMA = 1 << 2,
137 MLX5_PAGE_FAULT_RESUME_ERROR = 1 << 7,
146 struct mlx5_field_desc {
151 struct mlx5_rsc_debug {
152 struct mlx5_core_dev *dev;
154 enum dbg_rsc_type type;
156 struct mlx5_field_desc fields[0];
159 enum mlx5_dev_event {
160 MLX5_DEV_EVENT_SYS_ERROR,
161 MLX5_DEV_EVENT_PORT_UP,
162 MLX5_DEV_EVENT_PORT_DOWN,
163 MLX5_DEV_EVENT_PORT_INITIALIZED,
164 MLX5_DEV_EVENT_LID_CHANGE,
165 MLX5_DEV_EVENT_PKEY_CHANGE,
166 MLX5_DEV_EVENT_GUID_CHANGE,
167 MLX5_DEV_EVENT_CLIENT_REREG,
170 enum mlx5_port_status {
175 struct mlx5_uuar_info {
176 struct mlx5_uar *uars;
178 int num_low_latency_uuars;
179 unsigned long *bitmap;
184 * protect uuar allocation data structs
192 void __iomem *regreg;
194 struct mlx5_uar *uar;
195 unsigned long offset;
197 /* protect blue flame buffer selection when needed
201 /* serialize 64 bit writes when done as two 32 bit accesses
207 struct mlx5_cmd_first {
211 struct mlx5_cmd_msg {
212 struct list_head list;
213 struct cache_ent *cache;
215 struct mlx5_cmd_first first;
216 struct mlx5_cmd_mailbox *next;
219 struct mlx5_cmd_debug {
220 struct dentry *dbg_root;
221 struct dentry *dbg_in;
222 struct dentry *dbg_out;
223 struct dentry *dbg_outlen;
224 struct dentry *dbg_status;
225 struct dentry *dbg_run;
234 /* protect block chain allocations
237 struct list_head head;
240 struct cmd_msg_cache {
241 struct cache_ent large;
242 struct cache_ent med;
246 struct mlx5_cmd_stats {
251 struct dentry *count;
252 /* protect command average calculations */
258 dma_addr_t alloc_dma;
269 /* protect command queue allocations
271 spinlock_t alloc_lock;
273 /* protect token allocations
275 spinlock_t token_lock;
277 unsigned long bitmask;
278 char wq_name[MLX5_CMD_WQ_MAX_NAME];
279 struct workqueue_struct *wq;
280 struct semaphore sem;
281 struct semaphore pages_sem;
283 struct mlx5_cmd_work_ent *ent_arr[MLX5_MAX_COMMANDS];
284 struct pci_pool *pool;
285 struct mlx5_cmd_debug dbg;
286 struct cmd_msg_cache cache;
287 int checksum_disabled;
288 struct mlx5_cmd_stats stats[MLX5_CMD_OP_MAX];
291 struct mlx5_port_caps {
297 struct mlx5_cmd_mailbox {
300 struct mlx5_cmd_mailbox *next;
303 struct mlx5_buf_list {
309 struct mlx5_buf_list direct;
316 struct mlx5_core_dev *dev;
317 __be32 __iomem *doorbell;
325 struct list_head list;
327 struct mlx5_rsc_debug *dbg;
330 struct mlx5_core_psv {
342 struct mlx5_core_sig_ctx {
343 struct mlx5_core_psv psv_memory;
344 struct mlx5_core_psv psv_wire;
345 struct ib_sig_err err_item;
346 bool sig_status_checked;
351 struct mlx5_core_mkey {
359 MLX5_RES_QP = MLX5_EVENT_QUEUE_TYPE_QP,
360 MLX5_RES_RQ = MLX5_EVENT_QUEUE_TYPE_RQ,
361 MLX5_RES_SQ = MLX5_EVENT_QUEUE_TYPE_SQ,
366 struct mlx5_core_rsc_common {
367 enum mlx5_res_type res;
369 struct completion free;
372 struct mlx5_core_srq {
373 struct mlx5_core_rsc_common common; /* must be first */
377 int max_avail_gather;
379 void (*event) (struct mlx5_core_srq *, enum mlx5_event);
382 struct completion free;
385 struct mlx5_eq_table {
386 void __iomem *update_ci;
387 void __iomem *update_arm_ci;
388 struct list_head comp_eqs_list;
389 struct mlx5_eq pages_eq;
390 struct mlx5_eq async_eq;
391 struct mlx5_eq cmd_eq;
392 int num_comp_vectors;
400 struct list_head bf_list;
401 unsigned free_bf_bmap;
402 void __iomem *bf_map;
407 struct mlx5_core_health {
408 struct health_buffer __iomem *health;
409 __be32 __iomem *health_counter;
410 struct timer_list timer;
414 struct workqueue_struct *wq;
415 struct work_struct work;
418 struct mlx5_cq_table {
419 /* protect radix tree
422 struct radix_tree_root tree;
425 struct mlx5_qp_table {
426 /* protect radix tree
429 struct radix_tree_root tree;
432 struct mlx5_srq_table {
433 /* protect radix tree
436 struct radix_tree_root tree;
439 struct mlx5_mkey_table {
440 /* protect radix tree
443 struct radix_tree_root tree;
446 struct mlx5_vf_context {
450 struct mlx5_core_sriov {
451 struct mlx5_vf_context *vfs_ctx;
456 struct mlx5_irq_info {
458 char name[MLX5_MAX_IRQ_NAME];
461 struct mlx5_fc_stats {
462 struct list_head list;
463 struct list_head addlist;
464 /* protect addlist add/splice operations */
465 spinlock_t addlist_lock;
467 struct workqueue_struct *wq;
468 struct delayed_work work;
469 unsigned long next_query;
475 char name[MLX5_MAX_NAME_LEN];
476 struct mlx5_eq_table eq_table;
477 struct msix_entry *msix_arr;
478 struct mlx5_irq_info *irq_info;
479 struct mlx5_uuar_info uuari;
480 MLX5_DECLARE_DOORBELL_LOCK(cq_uar_lock);
483 struct workqueue_struct *pg_wq;
484 struct rb_root page_root;
487 struct list_head free_list;
490 struct mlx5_core_health health;
492 struct mlx5_srq_table srq_table;
494 /* start: qp staff */
495 struct mlx5_qp_table qp_table;
496 struct dentry *qp_debugfs;
497 struct dentry *eq_debugfs;
498 struct dentry *cq_debugfs;
499 struct dentry *cmdif_debugfs;
502 /* start: cq staff */
503 struct mlx5_cq_table cq_table;
506 /* start: mkey staff */
507 struct mlx5_mkey_table mkey_table;
508 /* end: mkey staff */
510 /* start: alloc staff */
511 /* protect buffer alocation according to numa node */
512 struct mutex alloc_mutex;
515 struct mutex pgdir_mutex;
516 struct list_head pgdir_list;
517 /* end: alloc staff */
518 struct dentry *dbg_root;
520 /* protect mkey key part */
521 spinlock_t mkey_lock;
524 struct list_head dev_list;
525 struct list_head ctx_list;
528 struct mlx5_eswitch *eswitch;
529 struct mlx5_core_sriov sriov;
530 unsigned long pci_dev_data;
531 struct mlx5_flow_root_namespace *root_ns;
532 struct mlx5_flow_root_namespace *fdb_root_ns;
533 struct mlx5_flow_root_namespace *esw_egress_root_ns;
534 struct mlx5_flow_root_namespace *esw_ingress_root_ns;
536 struct mlx5_fc_stats fc_stats;
539 enum mlx5_device_state {
540 MLX5_DEVICE_STATE_UP,
541 MLX5_DEVICE_STATE_INTERNAL_ERROR,
544 enum mlx5_interface_state {
545 MLX5_INTERFACE_STATE_DOWN = BIT(0),
546 MLX5_INTERFACE_STATE_UP = BIT(1),
547 MLX5_INTERFACE_STATE_SHUTDOWN = BIT(2),
550 enum mlx5_pci_status {
551 MLX5_PCI_STATUS_DISABLED,
552 MLX5_PCI_STATUS_ENABLED,
555 struct mlx5_core_dev {
556 struct pci_dev *pdev;
558 struct mutex pci_status_mutex;
559 enum mlx5_pci_status pci_status;
561 char board_id[MLX5_BOARD_ID_LEN];
563 struct mlx5_port_caps port_caps[MLX5_MAX_PORTS];
564 u32 hca_caps_cur[MLX5_CAP_NUM][MLX5_UN_SZ_DW(hca_cap_union)];
565 u32 hca_caps_max[MLX5_CAP_NUM][MLX5_UN_SZ_DW(hca_cap_union)];
566 phys_addr_t iseg_base;
567 struct mlx5_init_seg __iomem *iseg;
568 enum mlx5_device_state state;
569 /* sync interface state */
570 struct mutex intf_state_mutex;
571 unsigned long intf_state;
572 void (*event) (struct mlx5_core_dev *dev,
573 enum mlx5_dev_event event,
574 unsigned long param);
575 struct mlx5_priv priv;
576 struct mlx5_profile *profile;
579 #ifdef CONFIG_RFS_ACCEL
580 struct cpu_rmap *rmap;
587 struct mlx5_db_pgdir *pgdir;
588 struct mlx5_ib_user_db_page *user_page;
595 MLX5_DB_PER_PAGE = PAGE_SIZE / L1_CACHE_BYTES,
599 MLX5_COMP_EQ_SIZE = 1024,
603 MLX5_PTYS_IB = 1 << 0,
604 MLX5_PTYS_EN = 1 << 2,
607 struct mlx5_db_pgdir {
608 struct list_head list;
609 DECLARE_BITMAP(bitmap, MLX5_DB_PER_PAGE);
614 typedef void (*mlx5_cmd_cbk_t)(int status, void *context);
616 struct mlx5_cmd_work_ent {
617 struct mlx5_cmd_msg *in;
618 struct mlx5_cmd_msg *out;
621 mlx5_cmd_cbk_t callback;
624 struct completion done;
625 struct mlx5_cmd *cmd;
626 struct work_struct work;
627 struct mlx5_cmd_layout *lay;
642 enum port_state_policy {
643 MLX5_POLICY_DOWN = 0,
645 MLX5_POLICY_FOLLOW = 2,
646 MLX5_POLICY_INVALID = 0xffffffff
649 enum phy_port_state {
653 struct mlx5_hca_vport_context {
658 enum port_state_policy policy;
659 enum phy_port_state phys_state;
660 enum ib_port_state vport_state;
661 u8 port_physical_state;
670 u8 init_type_reply; /* bitmask: see ib spec 14.2.5.6 InitTypeReply */
675 u16 qkey_violation_counter;
676 u16 pkey_violation_counter;
680 static inline void *mlx5_buf_offset(struct mlx5_buf *buf, int offset)
682 return buf->direct.buf + offset;
685 extern struct workqueue_struct *mlx5_core_wq;
687 #define STRUCT_FIELD(header, field) \
688 .struct_offset_bytes = offsetof(struct ib_unpacked_ ## header, field), \
689 .struct_size_bytes = sizeof((struct ib_unpacked_ ## header *)0)->field
691 static inline struct mlx5_core_dev *pci2mlx5_core_dev(struct pci_dev *pdev)
693 return pci_get_drvdata(pdev);
696 extern struct dentry *mlx5_debugfs_root;
698 static inline u16 fw_rev_maj(struct mlx5_core_dev *dev)
700 return ioread32be(&dev->iseg->fw_rev) & 0xffff;
703 static inline u16 fw_rev_min(struct mlx5_core_dev *dev)
705 return ioread32be(&dev->iseg->fw_rev) >> 16;
708 static inline u16 fw_rev_sub(struct mlx5_core_dev *dev)
710 return ioread32be(&dev->iseg->cmdif_rev_fw_sub) & 0xffff;
713 static inline u16 cmdif_rev(struct mlx5_core_dev *dev)
715 return ioread32be(&dev->iseg->cmdif_rev_fw_sub) >> 16;
718 static inline void *mlx5_vzalloc(unsigned long size)
722 rtn = kzalloc(size, GFP_KERNEL | __GFP_NOWARN);
728 static inline u32 mlx5_base_mkey(const u32 key)
730 return key & 0xffffff00u;
733 int mlx5_cmd_init(struct mlx5_core_dev *dev);
734 void mlx5_cmd_cleanup(struct mlx5_core_dev *dev);
735 void mlx5_cmd_use_events(struct mlx5_core_dev *dev);
736 void mlx5_cmd_use_polling(struct mlx5_core_dev *dev);
737 int mlx5_cmd_status_to_err(struct mlx5_outbox_hdr *hdr);
738 int mlx5_cmd_status_to_err_v2(void *ptr);
739 int mlx5_core_get_caps(struct mlx5_core_dev *dev, enum mlx5_cap_type cap_type);
740 int mlx5_cmd_exec(struct mlx5_core_dev *dev, void *in, int in_size, void *out,
742 int mlx5_cmd_exec_cb(struct mlx5_core_dev *dev, void *in, int in_size,
743 void *out, int out_size, mlx5_cmd_cbk_t callback,
745 int mlx5_cmd_alloc_uar(struct mlx5_core_dev *dev, u32 *uarn);
746 int mlx5_cmd_free_uar(struct mlx5_core_dev *dev, u32 uarn);
747 int mlx5_alloc_uuars(struct mlx5_core_dev *dev, struct mlx5_uuar_info *uuari);
748 int mlx5_free_uuars(struct mlx5_core_dev *dev, struct mlx5_uuar_info *uuari);
749 int mlx5_alloc_map_uar(struct mlx5_core_dev *mdev, struct mlx5_uar *uar,
751 void mlx5_unmap_free_uar(struct mlx5_core_dev *mdev, struct mlx5_uar *uar);
752 void mlx5_health_cleanup(struct mlx5_core_dev *dev);
753 int mlx5_health_init(struct mlx5_core_dev *dev);
754 void mlx5_start_health_poll(struct mlx5_core_dev *dev);
755 void mlx5_stop_health_poll(struct mlx5_core_dev *dev);
756 int mlx5_buf_alloc_node(struct mlx5_core_dev *dev, int size,
757 struct mlx5_buf *buf, int node);
758 int mlx5_buf_alloc(struct mlx5_core_dev *dev, int size, struct mlx5_buf *buf);
759 void mlx5_buf_free(struct mlx5_core_dev *dev, struct mlx5_buf *buf);
760 struct mlx5_cmd_mailbox *mlx5_alloc_cmd_mailbox_chain(struct mlx5_core_dev *dev,
761 gfp_t flags, int npages);
762 void mlx5_free_cmd_mailbox_chain(struct mlx5_core_dev *dev,
763 struct mlx5_cmd_mailbox *head);
764 int mlx5_core_create_srq(struct mlx5_core_dev *dev, struct mlx5_core_srq *srq,
765 struct mlx5_create_srq_mbox_in *in, int inlen,
767 int mlx5_core_destroy_srq(struct mlx5_core_dev *dev, struct mlx5_core_srq *srq);
768 int mlx5_core_query_srq(struct mlx5_core_dev *dev, struct mlx5_core_srq *srq,
769 struct mlx5_query_srq_mbox_out *out);
770 int mlx5_core_arm_srq(struct mlx5_core_dev *dev, struct mlx5_core_srq *srq,
771 u16 lwm, int is_srq);
772 void mlx5_init_mkey_table(struct mlx5_core_dev *dev);
773 void mlx5_cleanup_mkey_table(struct mlx5_core_dev *dev);
774 int mlx5_core_create_mkey(struct mlx5_core_dev *dev,
775 struct mlx5_core_mkey *mkey,
776 struct mlx5_create_mkey_mbox_in *in, int inlen,
777 mlx5_cmd_cbk_t callback, void *context,
778 struct mlx5_create_mkey_mbox_out *out);
779 int mlx5_core_destroy_mkey(struct mlx5_core_dev *dev,
780 struct mlx5_core_mkey *mkey);
781 int mlx5_core_query_mkey(struct mlx5_core_dev *dev, struct mlx5_core_mkey *mkey,
782 struct mlx5_query_mkey_mbox_out *out, int outlen);
783 int mlx5_core_dump_fill_mkey(struct mlx5_core_dev *dev, struct mlx5_core_mkey *_mkey,
785 int mlx5_core_alloc_pd(struct mlx5_core_dev *dev, u32 *pdn);
786 int mlx5_core_dealloc_pd(struct mlx5_core_dev *dev, u32 pdn);
787 int mlx5_core_mad_ifc(struct mlx5_core_dev *dev, const void *inb, void *outb,
789 void mlx5_pagealloc_init(struct mlx5_core_dev *dev);
790 void mlx5_pagealloc_cleanup(struct mlx5_core_dev *dev);
791 int mlx5_pagealloc_start(struct mlx5_core_dev *dev);
792 void mlx5_pagealloc_stop(struct mlx5_core_dev *dev);
793 int mlx5_sriov_init(struct mlx5_core_dev *dev);
794 int mlx5_sriov_cleanup(struct mlx5_core_dev *dev);
795 void mlx5_core_req_pages_handler(struct mlx5_core_dev *dev, u16 func_id,
797 int mlx5_satisfy_startup_pages(struct mlx5_core_dev *dev, int boot);
798 int mlx5_reclaim_startup_pages(struct mlx5_core_dev *dev);
799 void mlx5_register_debugfs(void);
800 void mlx5_unregister_debugfs(void);
801 int mlx5_eq_init(struct mlx5_core_dev *dev);
802 void mlx5_eq_cleanup(struct mlx5_core_dev *dev);
803 void mlx5_fill_page_array(struct mlx5_buf *buf, __be64 *pas);
804 void mlx5_cq_completion(struct mlx5_core_dev *dev, u32 cqn);
805 void mlx5_rsc_event(struct mlx5_core_dev *dev, u32 rsn, int event_type);
806 #ifdef CONFIG_INFINIBAND_ON_DEMAND_PAGING
807 void mlx5_eq_pagefault(struct mlx5_core_dev *dev, struct mlx5_eqe *eqe);
809 void mlx5_srq_event(struct mlx5_core_dev *dev, u32 srqn, int event_type);
810 struct mlx5_core_srq *mlx5_core_get_srq(struct mlx5_core_dev *dev, u32 srqn);
811 void mlx5_cmd_comp_handler(struct mlx5_core_dev *dev, u64 vec);
812 void mlx5_cq_event(struct mlx5_core_dev *dev, u32 cqn, int event_type);
813 int mlx5_create_map_eq(struct mlx5_core_dev *dev, struct mlx5_eq *eq, u8 vecidx,
814 int nent, u64 mask, const char *name, struct mlx5_uar *uar);
815 int mlx5_destroy_unmap_eq(struct mlx5_core_dev *dev, struct mlx5_eq *eq);
816 int mlx5_start_eqs(struct mlx5_core_dev *dev);
817 int mlx5_stop_eqs(struct mlx5_core_dev *dev);
818 int mlx5_vector2eqn(struct mlx5_core_dev *dev, int vector, int *eqn,
820 int mlx5_core_attach_mcg(struct mlx5_core_dev *dev, union ib_gid *mgid, u32 qpn);
821 int mlx5_core_detach_mcg(struct mlx5_core_dev *dev, union ib_gid *mgid, u32 qpn);
823 int mlx5_qp_debugfs_init(struct mlx5_core_dev *dev);
824 void mlx5_qp_debugfs_cleanup(struct mlx5_core_dev *dev);
825 int mlx5_core_access_reg(struct mlx5_core_dev *dev, void *data_in,
826 int size_in, void *data_out, int size_out,
827 u16 reg_num, int arg, int write);
829 int mlx5_debug_eq_add(struct mlx5_core_dev *dev, struct mlx5_eq *eq);
830 void mlx5_debug_eq_remove(struct mlx5_core_dev *dev, struct mlx5_eq *eq);
831 int mlx5_core_eq_query(struct mlx5_core_dev *dev, struct mlx5_eq *eq,
832 struct mlx5_query_eq_mbox_out *out, int outlen);
833 int mlx5_eq_debugfs_init(struct mlx5_core_dev *dev);
834 void mlx5_eq_debugfs_cleanup(struct mlx5_core_dev *dev);
835 int mlx5_cq_debugfs_init(struct mlx5_core_dev *dev);
836 void mlx5_cq_debugfs_cleanup(struct mlx5_core_dev *dev);
837 int mlx5_db_alloc(struct mlx5_core_dev *dev, struct mlx5_db *db);
838 int mlx5_db_alloc_node(struct mlx5_core_dev *dev, struct mlx5_db *db,
840 void mlx5_db_free(struct mlx5_core_dev *dev, struct mlx5_db *db);
842 const char *mlx5_command_str(int command);
843 int mlx5_cmdif_debugfs_init(struct mlx5_core_dev *dev);
844 void mlx5_cmdif_debugfs_cleanup(struct mlx5_core_dev *dev);
845 int mlx5_core_create_psv(struct mlx5_core_dev *dev, u32 pdn,
846 int npsvs, u32 *sig_index);
847 int mlx5_core_destroy_psv(struct mlx5_core_dev *dev, int psv_num);
848 void mlx5_core_put_rsc(struct mlx5_core_rsc_common *common);
849 int mlx5_query_odp_caps(struct mlx5_core_dev *dev,
850 struct mlx5_odp_caps *odp_caps);
851 int mlx5_core_query_ib_ppcnt(struct mlx5_core_dev *dev,
852 u8 port_num, void *out, size_t sz);
854 static inline int fw_initializing(struct mlx5_core_dev *dev)
856 return ioread32be(&dev->iseg->initializing) >> 31;
859 static inline u32 mlx5_mkey_to_idx(u32 mkey)
864 static inline u32 mlx5_idx_to_mkey(u32 mkey_idx)
866 return mkey_idx << 8;
869 static inline u8 mlx5_mkey_variant(u32 mkey)
875 MLX5_PROF_MASK_QP_SIZE = (u64)1 << 0,
876 MLX5_PROF_MASK_MR_CACHE = (u64)1 << 1,
880 MAX_MR_CACHE_ENTRIES = 16,
884 MLX5_INTERFACE_PROTOCOL_IB = 0,
885 MLX5_INTERFACE_PROTOCOL_ETH = 1,
888 struct mlx5_interface {
889 void * (*add)(struct mlx5_core_dev *dev);
890 void (*remove)(struct mlx5_core_dev *dev, void *context);
891 void (*event)(struct mlx5_core_dev *dev, void *context,
892 enum mlx5_dev_event event, unsigned long param);
893 void * (*get_dev)(void *context);
895 struct list_head list;
898 void *mlx5_get_protocol_dev(struct mlx5_core_dev *mdev, int protocol);
899 int mlx5_register_interface(struct mlx5_interface *intf);
900 void mlx5_unregister_interface(struct mlx5_interface *intf);
901 int mlx5_core_query_vendor_id(struct mlx5_core_dev *mdev, u32 *vendor_id);
903 struct mlx5_profile {
909 } mr_cache[MAX_MR_CACHE_ENTRIES];
913 MLX5_PCI_DEV_IS_VF = 1 << 0,
916 static inline int mlx5_core_is_pf(struct mlx5_core_dev *dev)
918 return !(dev->priv.pci_dev_data & MLX5_PCI_DEV_IS_VF);
921 static inline int mlx5_get_gid_table_len(u16 param)
924 pr_warn("gid table length is zero\n");
928 return 8 * (1 << param);
932 MLX5_TRIGGERED_CMD_COMP = (u64)1 << 32,
935 #endif /* MLX5_DRIVER_H */