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>
51 MLX5_RQ_BITMASK_VSD = 1 << 1,
55 MLX5_BOARD_ID_LEN = 64,
56 MLX5_MAX_NAME_LEN = 16,
60 /* one minute for the sake of bringup. Generally, commands must always
61 * complete and we may need to increase this timeout value
63 MLX5_CMD_TIMEOUT_MSEC = 60 * 1000,
64 MLX5_CMD_WQ_MAX_NAME = 32,
70 CMD_STATUS_SUCCESS = 0,
76 MLX5_SQP_IEEE_1588 = 2,
78 MLX5_SQP_SYNC_UMR = 4,
86 MLX5_EQ_VEC_PAGES = 0,
88 MLX5_EQ_VEC_ASYNC = 2,
89 MLX5_EQ_VEC_COMP_BASE,
93 MLX5_MAX_IRQ_NAME = 32
97 MLX5_ATOMIC_MODE_IB_COMP = 1 << 16,
98 MLX5_ATOMIC_MODE_CX = 2 << 16,
99 MLX5_ATOMIC_MODE_8B = 3 << 16,
100 MLX5_ATOMIC_MODE_16B = 4 << 16,
101 MLX5_ATOMIC_MODE_32B = 5 << 16,
102 MLX5_ATOMIC_MODE_64B = 6 << 16,
103 MLX5_ATOMIC_MODE_128B = 7 << 16,
104 MLX5_ATOMIC_MODE_256B = 8 << 16,
108 MLX5_REG_QETCR = 0x4005,
109 MLX5_REG_QTCT = 0x400a,
110 MLX5_REG_PCAP = 0x5001,
111 MLX5_REG_PMTU = 0x5003,
112 MLX5_REG_PTYS = 0x5004,
113 MLX5_REG_PAOS = 0x5006,
114 MLX5_REG_PFCC = 0x5007,
115 MLX5_REG_PPCNT = 0x5008,
116 MLX5_REG_PMAOS = 0x5012,
117 MLX5_REG_PUDE = 0x5009,
118 MLX5_REG_PMPE = 0x5010,
119 MLX5_REG_PELC = 0x500e,
120 MLX5_REG_PVLC = 0x500f,
121 MLX5_REG_PCMR = 0x5041,
122 MLX5_REG_PMLP = 0x5002,
123 MLX5_REG_NODE_DESC = 0x6001,
124 MLX5_REG_HOST_ENDIANNESS = 0x7004,
125 MLX5_REG_MCIA = 0x9014,
126 MLX5_REG_MLCR = 0x902b,
130 MLX5_ATOMIC_OPS_CMP_SWAP = 1 << 0,
131 MLX5_ATOMIC_OPS_FETCH_ADD = 1 << 1,
134 enum mlx5_page_fault_resume_flags {
135 MLX5_PAGE_FAULT_RESUME_REQUESTOR = 1 << 0,
136 MLX5_PAGE_FAULT_RESUME_WRITE = 1 << 1,
137 MLX5_PAGE_FAULT_RESUME_RDMA = 1 << 2,
138 MLX5_PAGE_FAULT_RESUME_ERROR = 1 << 7,
147 struct mlx5_field_desc {
152 struct mlx5_rsc_debug {
153 struct mlx5_core_dev *dev;
155 enum dbg_rsc_type type;
157 struct mlx5_field_desc fields[0];
160 enum mlx5_dev_event {
161 MLX5_DEV_EVENT_SYS_ERROR,
162 MLX5_DEV_EVENT_PORT_UP,
163 MLX5_DEV_EVENT_PORT_DOWN,
164 MLX5_DEV_EVENT_PORT_INITIALIZED,
165 MLX5_DEV_EVENT_LID_CHANGE,
166 MLX5_DEV_EVENT_PKEY_CHANGE,
167 MLX5_DEV_EVENT_GUID_CHANGE,
168 MLX5_DEV_EVENT_CLIENT_REREG,
171 enum mlx5_port_status {
176 struct mlx5_uuar_info {
177 struct mlx5_uar *uars;
179 int num_low_latency_uuars;
180 unsigned long *bitmap;
185 * protect uuar allocation data structs
193 void __iomem *regreg;
195 struct mlx5_uar *uar;
196 unsigned long offset;
198 /* protect blue flame buffer selection when needed
202 /* serialize 64 bit writes when done as two 32 bit accesses
208 struct mlx5_cmd_first {
212 struct mlx5_cmd_msg {
213 struct list_head list;
214 struct cache_ent *cache;
216 struct mlx5_cmd_first first;
217 struct mlx5_cmd_mailbox *next;
220 struct mlx5_cmd_debug {
221 struct dentry *dbg_root;
222 struct dentry *dbg_in;
223 struct dentry *dbg_out;
224 struct dentry *dbg_outlen;
225 struct dentry *dbg_status;
226 struct dentry *dbg_run;
235 /* protect block chain allocations
238 struct list_head head;
241 struct cmd_msg_cache {
242 struct cache_ent large;
243 struct cache_ent med;
247 struct mlx5_cmd_stats {
252 struct dentry *count;
253 /* protect command average calculations */
259 dma_addr_t alloc_dma;
270 /* protect command queue allocations
272 spinlock_t alloc_lock;
274 /* protect token allocations
276 spinlock_t token_lock;
278 unsigned long bitmask;
279 char wq_name[MLX5_CMD_WQ_MAX_NAME];
280 struct workqueue_struct *wq;
281 struct semaphore sem;
282 struct semaphore pages_sem;
284 struct mlx5_cmd_work_ent *ent_arr[MLX5_MAX_COMMANDS];
285 struct pci_pool *pool;
286 struct mlx5_cmd_debug dbg;
287 struct cmd_msg_cache cache;
288 int checksum_disabled;
289 struct mlx5_cmd_stats stats[MLX5_CMD_OP_MAX];
292 struct mlx5_port_caps {
298 struct mlx5_cmd_mailbox {
301 struct mlx5_cmd_mailbox *next;
304 struct mlx5_buf_list {
310 struct mlx5_buf_list direct;
316 struct mlx5_eq_tasklet {
317 struct list_head list;
318 struct list_head process_list;
319 struct tasklet_struct task;
320 /* lock on completion tasklet list */
325 struct mlx5_core_dev *dev;
326 __be32 __iomem *doorbell;
334 struct list_head list;
336 struct mlx5_rsc_debug *dbg;
337 struct mlx5_eq_tasklet tasklet_ctx;
340 struct mlx5_core_psv {
352 struct mlx5_core_sig_ctx {
353 struct mlx5_core_psv psv_memory;
354 struct mlx5_core_psv psv_wire;
355 struct ib_sig_err err_item;
356 bool sig_status_checked;
361 struct mlx5_core_mkey {
369 MLX5_RES_QP = MLX5_EVENT_QUEUE_TYPE_QP,
370 MLX5_RES_RQ = MLX5_EVENT_QUEUE_TYPE_RQ,
371 MLX5_RES_SQ = MLX5_EVENT_QUEUE_TYPE_SQ,
376 struct mlx5_core_rsc_common {
377 enum mlx5_res_type res;
379 struct completion free;
382 struct mlx5_core_srq {
383 struct mlx5_core_rsc_common common; /* must be first */
387 int max_avail_gather;
389 void (*event) (struct mlx5_core_srq *, enum mlx5_event);
392 struct completion free;
395 struct mlx5_eq_table {
396 void __iomem *update_ci;
397 void __iomem *update_arm_ci;
398 struct list_head comp_eqs_list;
399 struct mlx5_eq pages_eq;
400 struct mlx5_eq async_eq;
401 struct mlx5_eq cmd_eq;
402 int num_comp_vectors;
410 struct list_head bf_list;
411 unsigned free_bf_bmap;
412 void __iomem *bf_map;
417 struct mlx5_core_health {
418 struct health_buffer __iomem *health;
419 __be32 __iomem *health_counter;
420 struct timer_list timer;
424 struct workqueue_struct *wq;
425 struct work_struct work;
428 struct mlx5_cq_table {
429 /* protect radix tree
432 struct radix_tree_root tree;
435 struct mlx5_qp_table {
436 /* protect radix tree
439 struct radix_tree_root tree;
442 struct mlx5_srq_table {
443 /* protect radix tree
446 struct radix_tree_root tree;
449 struct mlx5_mkey_table {
450 /* protect radix tree
453 struct radix_tree_root tree;
456 struct mlx5_vf_context {
460 struct mlx5_core_sriov {
461 struct mlx5_vf_context *vfs_ctx;
466 struct mlx5_irq_info {
468 char name[MLX5_MAX_IRQ_NAME];
471 struct mlx5_fc_stats {
472 struct list_head list;
473 struct list_head addlist;
474 /* protect addlist add/splice operations */
475 spinlock_t addlist_lock;
477 struct workqueue_struct *wq;
478 struct delayed_work work;
479 unsigned long next_query;
484 struct mlx5_rl_entry {
490 struct mlx5_rl_table {
491 /* protect rate limit table */
492 struct mutex rl_lock;
496 struct mlx5_rl_entry *rl_entry;
500 char name[MLX5_MAX_NAME_LEN];
501 struct mlx5_eq_table eq_table;
502 struct msix_entry *msix_arr;
503 struct mlx5_irq_info *irq_info;
504 struct mlx5_uuar_info uuari;
505 MLX5_DECLARE_DOORBELL_LOCK(cq_uar_lock);
508 struct workqueue_struct *pg_wq;
509 struct rb_root page_root;
512 struct list_head free_list;
515 struct mlx5_core_health health;
517 struct mlx5_srq_table srq_table;
519 /* start: qp staff */
520 struct mlx5_qp_table qp_table;
521 struct dentry *qp_debugfs;
522 struct dentry *eq_debugfs;
523 struct dentry *cq_debugfs;
524 struct dentry *cmdif_debugfs;
527 /* start: cq staff */
528 struct mlx5_cq_table cq_table;
531 /* start: mkey staff */
532 struct mlx5_mkey_table mkey_table;
533 /* end: mkey staff */
535 /* start: alloc staff */
536 /* protect buffer alocation according to numa node */
537 struct mutex alloc_mutex;
540 struct mutex pgdir_mutex;
541 struct list_head pgdir_list;
542 /* end: alloc staff */
543 struct dentry *dbg_root;
545 /* protect mkey key part */
546 spinlock_t mkey_lock;
549 struct list_head dev_list;
550 struct list_head ctx_list;
553 struct mlx5_eswitch *eswitch;
554 struct mlx5_core_sriov sriov;
555 unsigned long pci_dev_data;
556 struct mlx5_flow_root_namespace *root_ns;
557 struct mlx5_flow_root_namespace *fdb_root_ns;
558 struct mlx5_flow_root_namespace *esw_egress_root_ns;
559 struct mlx5_flow_root_namespace *esw_ingress_root_ns;
561 struct mlx5_fc_stats fc_stats;
562 struct mlx5_rl_table rl_table;
565 enum mlx5_device_state {
566 MLX5_DEVICE_STATE_UP,
567 MLX5_DEVICE_STATE_INTERNAL_ERROR,
570 enum mlx5_interface_state {
571 MLX5_INTERFACE_STATE_DOWN = BIT(0),
572 MLX5_INTERFACE_STATE_UP = BIT(1),
573 MLX5_INTERFACE_STATE_SHUTDOWN = BIT(2),
576 enum mlx5_pci_status {
577 MLX5_PCI_STATUS_DISABLED,
578 MLX5_PCI_STATUS_ENABLED,
581 struct mlx5_core_dev {
582 struct pci_dev *pdev;
584 struct mutex pci_status_mutex;
585 enum mlx5_pci_status pci_status;
587 char board_id[MLX5_BOARD_ID_LEN];
589 struct mlx5_port_caps port_caps[MLX5_MAX_PORTS];
590 u32 hca_caps_cur[MLX5_CAP_NUM][MLX5_UN_SZ_DW(hca_cap_union)];
591 u32 hca_caps_max[MLX5_CAP_NUM][MLX5_UN_SZ_DW(hca_cap_union)];
592 phys_addr_t iseg_base;
593 struct mlx5_init_seg __iomem *iseg;
594 enum mlx5_device_state state;
595 /* sync interface state */
596 struct mutex intf_state_mutex;
597 unsigned long intf_state;
598 void (*event) (struct mlx5_core_dev *dev,
599 enum mlx5_dev_event event,
600 unsigned long param);
601 struct mlx5_priv priv;
602 struct mlx5_profile *profile;
605 #ifdef CONFIG_RFS_ACCEL
606 struct cpu_rmap *rmap;
613 struct mlx5_db_pgdir *pgdir;
614 struct mlx5_ib_user_db_page *user_page;
621 MLX5_DB_PER_PAGE = PAGE_SIZE / L1_CACHE_BYTES,
625 MLX5_COMP_EQ_SIZE = 1024,
629 MLX5_PTYS_IB = 1 << 0,
630 MLX5_PTYS_EN = 1 << 2,
633 struct mlx5_db_pgdir {
634 struct list_head list;
635 DECLARE_BITMAP(bitmap, MLX5_DB_PER_PAGE);
640 typedef void (*mlx5_cmd_cbk_t)(int status, void *context);
642 struct mlx5_cmd_work_ent {
643 struct mlx5_cmd_msg *in;
644 struct mlx5_cmd_msg *out;
647 mlx5_cmd_cbk_t callback;
650 struct completion done;
651 struct mlx5_cmd *cmd;
652 struct work_struct work;
653 struct mlx5_cmd_layout *lay;
668 enum port_state_policy {
669 MLX5_POLICY_DOWN = 0,
671 MLX5_POLICY_FOLLOW = 2,
672 MLX5_POLICY_INVALID = 0xffffffff
675 enum phy_port_state {
679 struct mlx5_hca_vport_context {
684 enum port_state_policy policy;
685 enum phy_port_state phys_state;
686 enum ib_port_state vport_state;
687 u8 port_physical_state;
696 u8 init_type_reply; /* bitmask: see ib spec 14.2.5.6 InitTypeReply */
701 u16 qkey_violation_counter;
702 u16 pkey_violation_counter;
706 static inline void *mlx5_buf_offset(struct mlx5_buf *buf, int offset)
708 return buf->direct.buf + offset;
711 extern struct workqueue_struct *mlx5_core_wq;
713 #define STRUCT_FIELD(header, field) \
714 .struct_offset_bytes = offsetof(struct ib_unpacked_ ## header, field), \
715 .struct_size_bytes = sizeof((struct ib_unpacked_ ## header *)0)->field
717 static inline struct mlx5_core_dev *pci2mlx5_core_dev(struct pci_dev *pdev)
719 return pci_get_drvdata(pdev);
722 extern struct dentry *mlx5_debugfs_root;
724 static inline u16 fw_rev_maj(struct mlx5_core_dev *dev)
726 return ioread32be(&dev->iseg->fw_rev) & 0xffff;
729 static inline u16 fw_rev_min(struct mlx5_core_dev *dev)
731 return ioread32be(&dev->iseg->fw_rev) >> 16;
734 static inline u16 fw_rev_sub(struct mlx5_core_dev *dev)
736 return ioread32be(&dev->iseg->cmdif_rev_fw_sub) & 0xffff;
739 static inline u16 cmdif_rev(struct mlx5_core_dev *dev)
741 return ioread32be(&dev->iseg->cmdif_rev_fw_sub) >> 16;
744 static inline void *mlx5_vzalloc(unsigned long size)
748 rtn = kzalloc(size, GFP_KERNEL | __GFP_NOWARN);
754 static inline u32 mlx5_base_mkey(const u32 key)
756 return key & 0xffffff00u;
759 int mlx5_cmd_init(struct mlx5_core_dev *dev);
760 void mlx5_cmd_cleanup(struct mlx5_core_dev *dev);
761 void mlx5_cmd_use_events(struct mlx5_core_dev *dev);
762 void mlx5_cmd_use_polling(struct mlx5_core_dev *dev);
763 int mlx5_cmd_status_to_err(struct mlx5_outbox_hdr *hdr);
764 int mlx5_cmd_status_to_err_v2(void *ptr);
765 int mlx5_core_get_caps(struct mlx5_core_dev *dev, enum mlx5_cap_type cap_type);
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 int mlx5_cmd_alloc_uar(struct mlx5_core_dev *dev, u32 *uarn);
772 int mlx5_cmd_free_uar(struct mlx5_core_dev *dev, u32 uarn);
773 int mlx5_alloc_uuars(struct mlx5_core_dev *dev, struct mlx5_uuar_info *uuari);
774 int mlx5_free_uuars(struct mlx5_core_dev *dev, struct mlx5_uuar_info *uuari);
775 int mlx5_alloc_map_uar(struct mlx5_core_dev *mdev, struct mlx5_uar *uar,
777 void mlx5_unmap_free_uar(struct mlx5_core_dev *mdev, struct mlx5_uar *uar);
778 void mlx5_health_cleanup(struct mlx5_core_dev *dev);
779 int mlx5_health_init(struct mlx5_core_dev *dev);
780 void mlx5_start_health_poll(struct mlx5_core_dev *dev);
781 void mlx5_stop_health_poll(struct mlx5_core_dev *dev);
782 int mlx5_buf_alloc_node(struct mlx5_core_dev *dev, int size,
783 struct mlx5_buf *buf, int node);
784 int mlx5_buf_alloc(struct mlx5_core_dev *dev, int size, struct mlx5_buf *buf);
785 void mlx5_buf_free(struct mlx5_core_dev *dev, struct mlx5_buf *buf);
786 struct mlx5_cmd_mailbox *mlx5_alloc_cmd_mailbox_chain(struct mlx5_core_dev *dev,
787 gfp_t flags, int npages);
788 void mlx5_free_cmd_mailbox_chain(struct mlx5_core_dev *dev,
789 struct mlx5_cmd_mailbox *head);
790 int mlx5_core_create_srq(struct mlx5_core_dev *dev, struct mlx5_core_srq *srq,
791 struct mlx5_create_srq_mbox_in *in, int inlen,
793 int mlx5_core_destroy_srq(struct mlx5_core_dev *dev, struct mlx5_core_srq *srq);
794 int mlx5_core_query_srq(struct mlx5_core_dev *dev, struct mlx5_core_srq *srq,
795 struct mlx5_query_srq_mbox_out *out);
796 int mlx5_core_arm_srq(struct mlx5_core_dev *dev, struct mlx5_core_srq *srq,
797 u16 lwm, int is_srq);
798 void mlx5_init_mkey_table(struct mlx5_core_dev *dev);
799 void mlx5_cleanup_mkey_table(struct mlx5_core_dev *dev);
800 int mlx5_core_create_mkey(struct mlx5_core_dev *dev,
801 struct mlx5_core_mkey *mkey,
802 struct mlx5_create_mkey_mbox_in *in, int inlen,
803 mlx5_cmd_cbk_t callback, void *context,
804 struct mlx5_create_mkey_mbox_out *out);
805 int mlx5_core_destroy_mkey(struct mlx5_core_dev *dev,
806 struct mlx5_core_mkey *mkey);
807 int mlx5_core_query_mkey(struct mlx5_core_dev *dev, struct mlx5_core_mkey *mkey,
808 struct mlx5_query_mkey_mbox_out *out, int outlen);
809 int mlx5_core_dump_fill_mkey(struct mlx5_core_dev *dev, struct mlx5_core_mkey *_mkey,
811 int mlx5_core_alloc_pd(struct mlx5_core_dev *dev, u32 *pdn);
812 int mlx5_core_dealloc_pd(struct mlx5_core_dev *dev, u32 pdn);
813 int mlx5_core_mad_ifc(struct mlx5_core_dev *dev, const void *inb, void *outb,
815 void mlx5_pagealloc_init(struct mlx5_core_dev *dev);
816 void mlx5_pagealloc_cleanup(struct mlx5_core_dev *dev);
817 int mlx5_pagealloc_start(struct mlx5_core_dev *dev);
818 void mlx5_pagealloc_stop(struct mlx5_core_dev *dev);
819 int mlx5_sriov_init(struct mlx5_core_dev *dev);
820 int mlx5_sriov_cleanup(struct mlx5_core_dev *dev);
821 void mlx5_core_req_pages_handler(struct mlx5_core_dev *dev, u16 func_id,
823 int mlx5_satisfy_startup_pages(struct mlx5_core_dev *dev, int boot);
824 int mlx5_reclaim_startup_pages(struct mlx5_core_dev *dev);
825 void mlx5_register_debugfs(void);
826 void mlx5_unregister_debugfs(void);
827 int mlx5_eq_init(struct mlx5_core_dev *dev);
828 void mlx5_eq_cleanup(struct mlx5_core_dev *dev);
829 void mlx5_fill_page_array(struct mlx5_buf *buf, __be64 *pas);
830 void mlx5_cq_completion(struct mlx5_core_dev *dev, u32 cqn);
831 void mlx5_rsc_event(struct mlx5_core_dev *dev, u32 rsn, int event_type);
832 #ifdef CONFIG_INFINIBAND_ON_DEMAND_PAGING
833 void mlx5_eq_pagefault(struct mlx5_core_dev *dev, struct mlx5_eqe *eqe);
835 void mlx5_srq_event(struct mlx5_core_dev *dev, u32 srqn, int event_type);
836 struct mlx5_core_srq *mlx5_core_get_srq(struct mlx5_core_dev *dev, u32 srqn);
837 void mlx5_cmd_comp_handler(struct mlx5_core_dev *dev, u64 vec);
838 void mlx5_cq_event(struct mlx5_core_dev *dev, u32 cqn, int event_type);
839 int mlx5_create_map_eq(struct mlx5_core_dev *dev, struct mlx5_eq *eq, u8 vecidx,
840 int nent, u64 mask, const char *name, struct mlx5_uar *uar);
841 int mlx5_destroy_unmap_eq(struct mlx5_core_dev *dev, struct mlx5_eq *eq);
842 int mlx5_start_eqs(struct mlx5_core_dev *dev);
843 int mlx5_stop_eqs(struct mlx5_core_dev *dev);
844 int mlx5_vector2eqn(struct mlx5_core_dev *dev, int vector, int *eqn,
846 int mlx5_core_attach_mcg(struct mlx5_core_dev *dev, union ib_gid *mgid, u32 qpn);
847 int mlx5_core_detach_mcg(struct mlx5_core_dev *dev, union ib_gid *mgid, u32 qpn);
849 int mlx5_qp_debugfs_init(struct mlx5_core_dev *dev);
850 void mlx5_qp_debugfs_cleanup(struct mlx5_core_dev *dev);
851 int mlx5_core_access_reg(struct mlx5_core_dev *dev, void *data_in,
852 int size_in, void *data_out, int size_out,
853 u16 reg_num, int arg, int write);
855 int mlx5_debug_eq_add(struct mlx5_core_dev *dev, struct mlx5_eq *eq);
856 void mlx5_debug_eq_remove(struct mlx5_core_dev *dev, struct mlx5_eq *eq);
857 int mlx5_core_eq_query(struct mlx5_core_dev *dev, struct mlx5_eq *eq,
858 struct mlx5_query_eq_mbox_out *out, int outlen);
859 int mlx5_eq_debugfs_init(struct mlx5_core_dev *dev);
860 void mlx5_eq_debugfs_cleanup(struct mlx5_core_dev *dev);
861 int mlx5_cq_debugfs_init(struct mlx5_core_dev *dev);
862 void mlx5_cq_debugfs_cleanup(struct mlx5_core_dev *dev);
863 int mlx5_db_alloc(struct mlx5_core_dev *dev, struct mlx5_db *db);
864 int mlx5_db_alloc_node(struct mlx5_core_dev *dev, struct mlx5_db *db,
866 void mlx5_db_free(struct mlx5_core_dev *dev, struct mlx5_db *db);
868 const char *mlx5_command_str(int command);
869 int mlx5_cmdif_debugfs_init(struct mlx5_core_dev *dev);
870 void mlx5_cmdif_debugfs_cleanup(struct mlx5_core_dev *dev);
871 int mlx5_core_create_psv(struct mlx5_core_dev *dev, u32 pdn,
872 int npsvs, u32 *sig_index);
873 int mlx5_core_destroy_psv(struct mlx5_core_dev *dev, int psv_num);
874 void mlx5_core_put_rsc(struct mlx5_core_rsc_common *common);
875 int mlx5_query_odp_caps(struct mlx5_core_dev *dev,
876 struct mlx5_odp_caps *odp_caps);
877 int mlx5_core_query_ib_ppcnt(struct mlx5_core_dev *dev,
878 u8 port_num, void *out, size_t sz);
880 int mlx5_init_rl_table(struct mlx5_core_dev *dev);
881 void mlx5_cleanup_rl_table(struct mlx5_core_dev *dev);
882 int mlx5_rl_add_rate(struct mlx5_core_dev *dev, u32 rate, u16 *index);
883 void mlx5_rl_remove_rate(struct mlx5_core_dev *dev, u32 rate);
884 bool mlx5_rl_is_in_range(struct mlx5_core_dev *dev, u32 rate);
886 static inline int fw_initializing(struct mlx5_core_dev *dev)
888 return ioread32be(&dev->iseg->initializing) >> 31;
891 static inline u32 mlx5_mkey_to_idx(u32 mkey)
896 static inline u32 mlx5_idx_to_mkey(u32 mkey_idx)
898 return mkey_idx << 8;
901 static inline u8 mlx5_mkey_variant(u32 mkey)
907 MLX5_PROF_MASK_QP_SIZE = (u64)1 << 0,
908 MLX5_PROF_MASK_MR_CACHE = (u64)1 << 1,
912 MAX_MR_CACHE_ENTRIES = 16,
916 MLX5_INTERFACE_PROTOCOL_IB = 0,
917 MLX5_INTERFACE_PROTOCOL_ETH = 1,
920 struct mlx5_interface {
921 void * (*add)(struct mlx5_core_dev *dev);
922 void (*remove)(struct mlx5_core_dev *dev, void *context);
923 void (*event)(struct mlx5_core_dev *dev, void *context,
924 enum mlx5_dev_event event, unsigned long param);
925 void * (*get_dev)(void *context);
927 struct list_head list;
930 void *mlx5_get_protocol_dev(struct mlx5_core_dev *mdev, int protocol);
931 int mlx5_register_interface(struct mlx5_interface *intf);
932 void mlx5_unregister_interface(struct mlx5_interface *intf);
933 int mlx5_core_query_vendor_id(struct mlx5_core_dev *mdev, u32 *vendor_id);
935 struct mlx5_profile {
941 } mr_cache[MAX_MR_CACHE_ENTRIES];
945 MLX5_PCI_DEV_IS_VF = 1 << 0,
948 static inline int mlx5_core_is_pf(struct mlx5_core_dev *dev)
950 return !(dev->priv.pci_dev_data & MLX5_PCI_DEV_IS_VF);
953 static inline int mlx5_get_gid_table_len(u16 param)
956 pr_warn("gid table length is zero\n");
960 return 8 * (1 << param);
963 static inline bool mlx5_rl_is_supported(struct mlx5_core_dev *dev)
965 return !!(dev->priv.rl_table.max_size);
969 MLX5_TRIGGERED_CMD_COMP = (u64)1 << 32,
972 #endif /* MLX5_DRIVER_H */