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,
127 MLX5_ATOMIC_OPS_CMP_SWAP = 1 << 0,
128 MLX5_ATOMIC_OPS_FETCH_ADD = 1 << 1,
131 enum mlx5_page_fault_resume_flags {
132 MLX5_PAGE_FAULT_RESUME_REQUESTOR = 1 << 0,
133 MLX5_PAGE_FAULT_RESUME_WRITE = 1 << 1,
134 MLX5_PAGE_FAULT_RESUME_RDMA = 1 << 2,
135 MLX5_PAGE_FAULT_RESUME_ERROR = 1 << 7,
144 struct mlx5_field_desc {
149 struct mlx5_rsc_debug {
150 struct mlx5_core_dev *dev;
152 enum dbg_rsc_type type;
154 struct mlx5_field_desc fields[0];
157 enum mlx5_dev_event {
158 MLX5_DEV_EVENT_SYS_ERROR,
159 MLX5_DEV_EVENT_PORT_UP,
160 MLX5_DEV_EVENT_PORT_DOWN,
161 MLX5_DEV_EVENT_PORT_INITIALIZED,
162 MLX5_DEV_EVENT_LID_CHANGE,
163 MLX5_DEV_EVENT_PKEY_CHANGE,
164 MLX5_DEV_EVENT_GUID_CHANGE,
165 MLX5_DEV_EVENT_CLIENT_REREG,
168 enum mlx5_port_status {
173 struct mlx5_uuar_info {
174 struct mlx5_uar *uars;
176 int num_low_latency_uuars;
177 unsigned long *bitmap;
182 * protect uuar allocation data structs
190 void __iomem *regreg;
192 struct mlx5_uar *uar;
193 unsigned long offset;
195 /* protect blue flame buffer selection when needed
199 /* serialize 64 bit writes when done as two 32 bit accesses
205 struct mlx5_cmd_first {
209 struct mlx5_cmd_msg {
210 struct list_head list;
211 struct cache_ent *cache;
213 struct mlx5_cmd_first first;
214 struct mlx5_cmd_mailbox *next;
217 struct mlx5_cmd_debug {
218 struct dentry *dbg_root;
219 struct dentry *dbg_in;
220 struct dentry *dbg_out;
221 struct dentry *dbg_outlen;
222 struct dentry *dbg_status;
223 struct dentry *dbg_run;
232 /* protect block chain allocations
235 struct list_head head;
238 struct cmd_msg_cache {
239 struct cache_ent large;
240 struct cache_ent med;
244 struct mlx5_cmd_stats {
249 struct dentry *count;
250 /* protect command average calculations */
256 dma_addr_t alloc_dma;
267 /* protect command queue allocations
269 spinlock_t alloc_lock;
271 /* protect token allocations
273 spinlock_t token_lock;
275 unsigned long bitmask;
276 char wq_name[MLX5_CMD_WQ_MAX_NAME];
277 struct workqueue_struct *wq;
278 struct semaphore sem;
279 struct semaphore pages_sem;
281 struct mlx5_cmd_work_ent *ent_arr[MLX5_MAX_COMMANDS];
282 struct pci_pool *pool;
283 struct mlx5_cmd_debug dbg;
284 struct cmd_msg_cache cache;
285 int checksum_disabled;
286 struct mlx5_cmd_stats stats[MLX5_CMD_OP_MAX];
289 struct mlx5_port_caps {
295 struct mlx5_cmd_mailbox {
298 struct mlx5_cmd_mailbox *next;
301 struct mlx5_buf_list {
307 struct mlx5_buf_list direct;
313 struct mlx5_eq_tasklet {
314 struct list_head list;
315 struct list_head process_list;
316 struct tasklet_struct task;
317 /* lock on completion tasklet list */
322 struct mlx5_core_dev *dev;
323 __be32 __iomem *doorbell;
331 struct list_head list;
333 struct mlx5_rsc_debug *dbg;
334 struct mlx5_eq_tasklet tasklet_ctx;
337 struct mlx5_core_psv {
349 struct mlx5_core_sig_ctx {
350 struct mlx5_core_psv psv_memory;
351 struct mlx5_core_psv psv_wire;
352 struct ib_sig_err err_item;
353 bool sig_status_checked;
358 struct mlx5_core_mkey {
366 MLX5_RES_QP = MLX5_EVENT_QUEUE_TYPE_QP,
367 MLX5_RES_RQ = MLX5_EVENT_QUEUE_TYPE_RQ,
368 MLX5_RES_SQ = MLX5_EVENT_QUEUE_TYPE_SQ,
373 struct mlx5_core_rsc_common {
374 enum mlx5_res_type res;
376 struct completion free;
379 struct mlx5_core_srq {
380 struct mlx5_core_rsc_common common; /* must be first */
384 int max_avail_gather;
386 void (*event) (struct mlx5_core_srq *, enum mlx5_event);
389 struct completion free;
392 struct mlx5_eq_table {
393 void __iomem *update_ci;
394 void __iomem *update_arm_ci;
395 struct list_head comp_eqs_list;
396 struct mlx5_eq pages_eq;
397 struct mlx5_eq async_eq;
398 struct mlx5_eq cmd_eq;
399 int num_comp_vectors;
407 struct list_head bf_list;
408 unsigned free_bf_bmap;
409 void __iomem *bf_map;
414 struct mlx5_core_health {
415 struct health_buffer __iomem *health;
416 __be32 __iomem *health_counter;
417 struct timer_list timer;
421 /* wq spinlock to synchronize draining */
423 struct workqueue_struct *wq;
425 struct work_struct work;
426 struct delayed_work recover_work;
429 struct mlx5_cq_table {
430 /* protect radix tree
433 struct radix_tree_root tree;
436 struct mlx5_qp_table {
437 /* protect radix tree
440 struct radix_tree_root tree;
443 struct mlx5_srq_table {
444 /* protect radix tree
447 struct radix_tree_root tree;
450 struct mlx5_mkey_table {
451 /* protect radix tree
454 struct radix_tree_root tree;
457 struct mlx5_vf_context {
461 struct mlx5_core_sriov {
462 struct mlx5_vf_context *vfs_ctx;
467 struct mlx5_irq_info {
469 char name[MLX5_MAX_IRQ_NAME];
472 struct mlx5_fc_stats {
473 struct rb_root counters;
474 struct list_head addlist;
475 /* protect addlist add/splice operations */
476 spinlock_t addlist_lock;
478 struct workqueue_struct *wq;
479 struct delayed_work work;
480 unsigned long next_query;
486 struct mlx5_rl_entry {
492 struct mlx5_rl_table {
493 /* protect rate limit table */
494 struct mutex rl_lock;
498 struct mlx5_rl_entry *rl_entry;
502 char name[MLX5_MAX_NAME_LEN];
503 struct mlx5_eq_table eq_table;
504 struct msix_entry *msix_arr;
505 struct mlx5_irq_info *irq_info;
506 struct mlx5_uuar_info uuari;
507 MLX5_DECLARE_DOORBELL_LOCK(cq_uar_lock);
510 struct workqueue_struct *pg_wq;
511 struct rb_root page_root;
514 struct list_head free_list;
517 struct mlx5_core_health health;
519 struct mlx5_srq_table srq_table;
521 /* start: qp staff */
522 struct mlx5_qp_table qp_table;
523 struct dentry *qp_debugfs;
524 struct dentry *eq_debugfs;
525 struct dentry *cq_debugfs;
526 struct dentry *cmdif_debugfs;
529 /* start: cq staff */
530 struct mlx5_cq_table cq_table;
533 /* start: mkey staff */
534 struct mlx5_mkey_table mkey_table;
535 /* end: mkey staff */
537 /* start: alloc staff */
538 /* protect buffer alocation according to numa node */
539 struct mutex alloc_mutex;
542 struct mutex pgdir_mutex;
543 struct list_head pgdir_list;
544 /* end: alloc staff */
545 struct dentry *dbg_root;
547 /* protect mkey key part */
548 spinlock_t mkey_lock;
551 struct list_head dev_list;
552 struct list_head ctx_list;
555 struct mlx5_flow_steering *steering;
556 struct mlx5_eswitch *eswitch;
557 struct mlx5_core_sriov sriov;
558 struct mlx5_lag *lag;
559 unsigned long pci_dev_data;
560 struct mlx5_fc_stats fc_stats;
561 struct mlx5_rl_table rl_table;
564 enum mlx5_device_state {
565 MLX5_DEVICE_STATE_UP,
566 MLX5_DEVICE_STATE_INTERNAL_ERROR,
569 enum mlx5_interface_state {
570 MLX5_INTERFACE_STATE_DOWN = BIT(0),
571 MLX5_INTERFACE_STATE_UP = BIT(1),
572 MLX5_INTERFACE_STATE_SHUTDOWN = BIT(2),
575 enum mlx5_pci_status {
576 MLX5_PCI_STATUS_DISABLED,
577 MLX5_PCI_STATUS_ENABLED,
581 struct list_head tirs_list;
585 struct mlx5e_resources {
586 struct mlx5_uar cq_uar;
589 struct mlx5_core_mkey mkey;
592 struct mlx5_core_dev {
593 struct pci_dev *pdev;
595 struct mutex pci_status_mutex;
596 enum mlx5_pci_status pci_status;
598 char board_id[MLX5_BOARD_ID_LEN];
600 struct mlx5_port_caps port_caps[MLX5_MAX_PORTS];
601 u32 hca_caps_cur[MLX5_CAP_NUM][MLX5_UN_SZ_DW(hca_cap_union)];
602 u32 hca_caps_max[MLX5_CAP_NUM][MLX5_UN_SZ_DW(hca_cap_union)];
603 phys_addr_t iseg_base;
604 struct mlx5_init_seg __iomem *iseg;
605 enum mlx5_device_state state;
606 /* sync interface state */
607 struct mutex intf_state_mutex;
608 unsigned long intf_state;
609 void (*event) (struct mlx5_core_dev *dev,
610 enum mlx5_dev_event event,
611 unsigned long param);
612 struct mlx5_priv priv;
613 struct mlx5_profile *profile;
616 struct mlx5e_resources mlx5e_res;
617 #ifdef CONFIG_RFS_ACCEL
618 struct cpu_rmap *rmap;
625 struct mlx5_db_pgdir *pgdir;
626 struct mlx5_ib_user_db_page *user_page;
633 MLX5_COMP_EQ_SIZE = 1024,
637 MLX5_PTYS_IB = 1 << 0,
638 MLX5_PTYS_EN = 1 << 2,
641 typedef void (*mlx5_cmd_cbk_t)(int status, void *context);
643 struct mlx5_cmd_work_ent {
644 struct mlx5_cmd_msg *in;
645 struct mlx5_cmd_msg *out;
648 mlx5_cmd_cbk_t callback;
649 struct delayed_work cb_timeout_work;
652 struct completion done;
653 struct mlx5_cmd *cmd;
654 struct work_struct work;
655 struct mlx5_cmd_layout *lay;
670 enum port_state_policy {
671 MLX5_POLICY_DOWN = 0,
673 MLX5_POLICY_FOLLOW = 2,
674 MLX5_POLICY_INVALID = 0xffffffff
677 enum phy_port_state {
681 struct mlx5_hca_vport_context {
686 enum port_state_policy policy;
687 enum phy_port_state phys_state;
688 enum ib_port_state vport_state;
689 u8 port_physical_state;
698 u8 init_type_reply; /* bitmask: see ib spec 14.2.5.6 InitTypeReply */
703 u16 qkey_violation_counter;
704 u16 pkey_violation_counter;
708 static inline void *mlx5_buf_offset(struct mlx5_buf *buf, int offset)
710 return buf->direct.buf + offset;
713 extern struct workqueue_struct *mlx5_core_wq;
715 #define STRUCT_FIELD(header, field) \
716 .struct_offset_bytes = offsetof(struct ib_unpacked_ ## header, field), \
717 .struct_size_bytes = sizeof((struct ib_unpacked_ ## header *)0)->field
719 static inline struct mlx5_core_dev *pci2mlx5_core_dev(struct pci_dev *pdev)
721 return pci_get_drvdata(pdev);
724 extern struct dentry *mlx5_debugfs_root;
726 static inline u16 fw_rev_maj(struct mlx5_core_dev *dev)
728 return ioread32be(&dev->iseg->fw_rev) & 0xffff;
731 static inline u16 fw_rev_min(struct mlx5_core_dev *dev)
733 return ioread32be(&dev->iseg->fw_rev) >> 16;
736 static inline u16 fw_rev_sub(struct mlx5_core_dev *dev)
738 return ioread32be(&dev->iseg->cmdif_rev_fw_sub) & 0xffff;
741 static inline u16 cmdif_rev(struct mlx5_core_dev *dev)
743 return ioread32be(&dev->iseg->cmdif_rev_fw_sub) >> 16;
746 static inline void *mlx5_vzalloc(unsigned long size)
750 rtn = kzalloc(size, GFP_KERNEL | __GFP_NOWARN);
756 static inline u32 mlx5_base_mkey(const u32 key)
758 return key & 0xffffff00u;
761 int mlx5_cmd_init(struct mlx5_core_dev *dev);
762 void mlx5_cmd_cleanup(struct mlx5_core_dev *dev);
763 void mlx5_cmd_use_events(struct mlx5_core_dev *dev);
764 void mlx5_cmd_use_polling(struct mlx5_core_dev *dev);
766 int mlx5_cmd_exec(struct mlx5_core_dev *dev, void *in, int in_size, void *out,
768 int mlx5_cmd_exec_cb(struct mlx5_core_dev *dev, void *in, int in_size,
769 void *out, int out_size, mlx5_cmd_cbk_t callback,
771 void mlx5_cmd_mbox_status(void *out, u8 *status, u32 *syndrome);
773 int mlx5_core_get_caps(struct mlx5_core_dev *dev, enum mlx5_cap_type cap_type);
774 int mlx5_cmd_alloc_uar(struct mlx5_core_dev *dev, u32 *uarn);
775 int mlx5_cmd_free_uar(struct mlx5_core_dev *dev, u32 uarn);
776 int mlx5_alloc_uuars(struct mlx5_core_dev *dev, struct mlx5_uuar_info *uuari);
777 int mlx5_free_uuars(struct mlx5_core_dev *dev, struct mlx5_uuar_info *uuari);
778 int mlx5_alloc_map_uar(struct mlx5_core_dev *mdev, struct mlx5_uar *uar,
780 void mlx5_unmap_free_uar(struct mlx5_core_dev *mdev, struct mlx5_uar *uar);
781 void mlx5_health_cleanup(struct mlx5_core_dev *dev);
782 int mlx5_health_init(struct mlx5_core_dev *dev);
783 void mlx5_start_health_poll(struct mlx5_core_dev *dev);
784 void mlx5_stop_health_poll(struct mlx5_core_dev *dev);
785 void mlx5_drain_health_wq(struct mlx5_core_dev *dev);
786 int mlx5_buf_alloc_node(struct mlx5_core_dev *dev, int size,
787 struct mlx5_buf *buf, int node);
788 int mlx5_buf_alloc(struct mlx5_core_dev *dev, int size, struct mlx5_buf *buf);
789 void mlx5_buf_free(struct mlx5_core_dev *dev, struct mlx5_buf *buf);
790 struct mlx5_cmd_mailbox *mlx5_alloc_cmd_mailbox_chain(struct mlx5_core_dev *dev,
791 gfp_t flags, int npages);
792 void mlx5_free_cmd_mailbox_chain(struct mlx5_core_dev *dev,
793 struct mlx5_cmd_mailbox *head);
794 int mlx5_core_create_srq(struct mlx5_core_dev *dev, struct mlx5_core_srq *srq,
795 struct mlx5_srq_attr *in);
796 int mlx5_core_destroy_srq(struct mlx5_core_dev *dev, struct mlx5_core_srq *srq);
797 int mlx5_core_query_srq(struct mlx5_core_dev *dev, struct mlx5_core_srq *srq,
798 struct mlx5_srq_attr *out);
799 int mlx5_core_arm_srq(struct mlx5_core_dev *dev, struct mlx5_core_srq *srq,
800 u16 lwm, int is_srq);
801 void mlx5_init_mkey_table(struct mlx5_core_dev *dev);
802 void mlx5_cleanup_mkey_table(struct mlx5_core_dev *dev);
803 int mlx5_core_create_mkey_cb(struct mlx5_core_dev *dev,
804 struct mlx5_core_mkey *mkey,
806 u32 *out, int outlen,
807 mlx5_cmd_cbk_t callback, void *context);
808 int mlx5_core_create_mkey(struct mlx5_core_dev *dev,
809 struct mlx5_core_mkey *mkey,
811 int mlx5_core_destroy_mkey(struct mlx5_core_dev *dev,
812 struct mlx5_core_mkey *mkey);
813 int mlx5_core_query_mkey(struct mlx5_core_dev *dev, struct mlx5_core_mkey *mkey,
814 u32 *out, int outlen);
815 int mlx5_core_dump_fill_mkey(struct mlx5_core_dev *dev, struct mlx5_core_mkey *_mkey,
817 int mlx5_core_alloc_pd(struct mlx5_core_dev *dev, u32 *pdn);
818 int mlx5_core_dealloc_pd(struct mlx5_core_dev *dev, u32 pdn);
819 int mlx5_core_mad_ifc(struct mlx5_core_dev *dev, const void *inb, void *outb,
821 void mlx5_pagealloc_init(struct mlx5_core_dev *dev);
822 void mlx5_pagealloc_cleanup(struct mlx5_core_dev *dev);
823 int mlx5_pagealloc_start(struct mlx5_core_dev *dev);
824 void mlx5_pagealloc_stop(struct mlx5_core_dev *dev);
825 void mlx5_core_req_pages_handler(struct mlx5_core_dev *dev, u16 func_id,
827 int mlx5_satisfy_startup_pages(struct mlx5_core_dev *dev, int boot);
828 int mlx5_reclaim_startup_pages(struct mlx5_core_dev *dev);
829 void mlx5_register_debugfs(void);
830 void mlx5_unregister_debugfs(void);
831 int mlx5_eq_init(struct mlx5_core_dev *dev);
832 void mlx5_eq_cleanup(struct mlx5_core_dev *dev);
833 void mlx5_fill_page_array(struct mlx5_buf *buf, __be64 *pas);
834 void mlx5_cq_completion(struct mlx5_core_dev *dev, u32 cqn);
835 void mlx5_rsc_event(struct mlx5_core_dev *dev, u32 rsn, int event_type);
836 #ifdef CONFIG_INFINIBAND_ON_DEMAND_PAGING
837 void mlx5_eq_pagefault(struct mlx5_core_dev *dev, struct mlx5_eqe *eqe);
839 void mlx5_srq_event(struct mlx5_core_dev *dev, u32 srqn, int event_type);
840 struct mlx5_core_srq *mlx5_core_get_srq(struct mlx5_core_dev *dev, u32 srqn);
841 void mlx5_cmd_comp_handler(struct mlx5_core_dev *dev, u64 vec);
842 void mlx5_cq_event(struct mlx5_core_dev *dev, u32 cqn, int event_type);
843 int mlx5_create_map_eq(struct mlx5_core_dev *dev, struct mlx5_eq *eq, u8 vecidx,
844 int nent, u64 mask, const char *name, struct mlx5_uar *uar);
845 int mlx5_destroy_unmap_eq(struct mlx5_core_dev *dev, struct mlx5_eq *eq);
846 int mlx5_start_eqs(struct mlx5_core_dev *dev);
847 int mlx5_stop_eqs(struct mlx5_core_dev *dev);
848 int mlx5_vector2eqn(struct mlx5_core_dev *dev, int vector, int *eqn,
850 int mlx5_core_attach_mcg(struct mlx5_core_dev *dev, union ib_gid *mgid, u32 qpn);
851 int mlx5_core_detach_mcg(struct mlx5_core_dev *dev, union ib_gid *mgid, u32 qpn);
853 int mlx5_qp_debugfs_init(struct mlx5_core_dev *dev);
854 void mlx5_qp_debugfs_cleanup(struct mlx5_core_dev *dev);
855 int mlx5_core_access_reg(struct mlx5_core_dev *dev, void *data_in,
856 int size_in, void *data_out, int size_out,
857 u16 reg_num, int arg, int write);
859 int mlx5_debug_eq_add(struct mlx5_core_dev *dev, struct mlx5_eq *eq);
860 void mlx5_debug_eq_remove(struct mlx5_core_dev *dev, struct mlx5_eq *eq);
861 int mlx5_core_eq_query(struct mlx5_core_dev *dev, struct mlx5_eq *eq,
862 u32 *out, int outlen);
863 int mlx5_eq_debugfs_init(struct mlx5_core_dev *dev);
864 void mlx5_eq_debugfs_cleanup(struct mlx5_core_dev *dev);
865 int mlx5_cq_debugfs_init(struct mlx5_core_dev *dev);
866 void mlx5_cq_debugfs_cleanup(struct mlx5_core_dev *dev);
867 int mlx5_db_alloc(struct mlx5_core_dev *dev, struct mlx5_db *db);
868 int mlx5_db_alloc_node(struct mlx5_core_dev *dev, struct mlx5_db *db,
870 void mlx5_db_free(struct mlx5_core_dev *dev, struct mlx5_db *db);
872 const char *mlx5_command_str(int command);
873 int mlx5_cmdif_debugfs_init(struct mlx5_core_dev *dev);
874 void mlx5_cmdif_debugfs_cleanup(struct mlx5_core_dev *dev);
875 int mlx5_core_create_psv(struct mlx5_core_dev *dev, u32 pdn,
876 int npsvs, u32 *sig_index);
877 int mlx5_core_destroy_psv(struct mlx5_core_dev *dev, int psv_num);
878 void mlx5_core_put_rsc(struct mlx5_core_rsc_common *common);
879 int mlx5_query_odp_caps(struct mlx5_core_dev *dev,
880 struct mlx5_odp_caps *odp_caps);
881 int mlx5_core_query_ib_ppcnt(struct mlx5_core_dev *dev,
882 u8 port_num, void *out, size_t sz);
884 int mlx5_init_rl_table(struct mlx5_core_dev *dev);
885 void mlx5_cleanup_rl_table(struct mlx5_core_dev *dev);
886 int mlx5_rl_add_rate(struct mlx5_core_dev *dev, u32 rate, u16 *index);
887 void mlx5_rl_remove_rate(struct mlx5_core_dev *dev, u32 rate);
888 bool mlx5_rl_is_in_range(struct mlx5_core_dev *dev, u32 rate);
890 static inline int fw_initializing(struct mlx5_core_dev *dev)
892 return ioread32be(&dev->iseg->initializing) >> 31;
895 static inline u32 mlx5_mkey_to_idx(u32 mkey)
900 static inline u32 mlx5_idx_to_mkey(u32 mkey_idx)
902 return mkey_idx << 8;
905 static inline u8 mlx5_mkey_variant(u32 mkey)
911 MLX5_PROF_MASK_QP_SIZE = (u64)1 << 0,
912 MLX5_PROF_MASK_MR_CACHE = (u64)1 << 1,
916 MAX_MR_CACHE_ENTRIES = 16,
920 MLX5_INTERFACE_PROTOCOL_IB = 0,
921 MLX5_INTERFACE_PROTOCOL_ETH = 1,
924 struct mlx5_interface {
925 void * (*add)(struct mlx5_core_dev *dev);
926 void (*remove)(struct mlx5_core_dev *dev, void *context);
927 int (*attach)(struct mlx5_core_dev *dev, void *context);
928 void (*detach)(struct mlx5_core_dev *dev, void *context);
929 void (*event)(struct mlx5_core_dev *dev, void *context,
930 enum mlx5_dev_event event, unsigned long param);
931 void * (*get_dev)(void *context);
933 struct list_head list;
936 void *mlx5_get_protocol_dev(struct mlx5_core_dev *mdev, int protocol);
937 int mlx5_register_interface(struct mlx5_interface *intf);
938 void mlx5_unregister_interface(struct mlx5_interface *intf);
939 int mlx5_core_query_vendor_id(struct mlx5_core_dev *mdev, u32 *vendor_id);
941 int mlx5_cmd_create_vport_lag(struct mlx5_core_dev *dev);
942 int mlx5_cmd_destroy_vport_lag(struct mlx5_core_dev *dev);
943 bool mlx5_lag_is_active(struct mlx5_core_dev *dev);
944 struct net_device *mlx5_lag_get_roce_netdev(struct mlx5_core_dev *dev);
946 struct mlx5_profile {
952 } mr_cache[MAX_MR_CACHE_ENTRIES];
956 MLX5_PCI_DEV_IS_VF = 1 << 0,
959 static inline int mlx5_core_is_pf(struct mlx5_core_dev *dev)
961 return !(dev->priv.pci_dev_data & MLX5_PCI_DEV_IS_VF);
964 static inline int mlx5_get_gid_table_len(u16 param)
967 pr_warn("gid table length is zero\n");
971 return 8 * (1 << param);
974 static inline bool mlx5_rl_is_supported(struct mlx5_core_dev *dev)
976 return !!(dev->priv.rl_table.max_size);
980 MLX5_TRIGGERED_CMD_COMP = (u64)1 << 32,
983 #endif /* MLX5_DRIVER_H */