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>
45 #include <linux/mlx5/device.h>
46 #include <linux/mlx5/doorbell.h>
49 MLX5_BOARD_ID_LEN = 64,
50 MLX5_MAX_NAME_LEN = 16,
54 /* one minute for the sake of bringup. Generally, commands must always
55 * complete and we may need to increase this timeout value
57 MLX5_CMD_TIMEOUT_MSEC = 60 * 1000,
58 MLX5_CMD_WQ_MAX_NAME = 32,
64 CMD_STATUS_SUCCESS = 0,
70 MLX5_SQP_IEEE_1588 = 2,
72 MLX5_SQP_SYNC_UMR = 4,
80 MLX5_EQ_VEC_PAGES = 0,
82 MLX5_EQ_VEC_ASYNC = 2,
83 MLX5_EQ_VEC_COMP_BASE,
87 MLX5_MAX_IRQ_NAME = 32
91 MLX5_ATOMIC_MODE_IB_COMP = 1 << 16,
92 MLX5_ATOMIC_MODE_CX = 2 << 16,
93 MLX5_ATOMIC_MODE_8B = 3 << 16,
94 MLX5_ATOMIC_MODE_16B = 4 << 16,
95 MLX5_ATOMIC_MODE_32B = 5 << 16,
96 MLX5_ATOMIC_MODE_64B = 6 << 16,
97 MLX5_ATOMIC_MODE_128B = 7 << 16,
98 MLX5_ATOMIC_MODE_256B = 8 << 16,
102 MLX5_REG_QETCR = 0x4005,
103 MLX5_REG_QTCT = 0x400a,
104 MLX5_REG_PCAP = 0x5001,
105 MLX5_REG_PMTU = 0x5003,
106 MLX5_REG_PTYS = 0x5004,
107 MLX5_REG_PAOS = 0x5006,
108 MLX5_REG_PFCC = 0x5007,
109 MLX5_REG_PPCNT = 0x5008,
110 MLX5_REG_PMAOS = 0x5012,
111 MLX5_REG_PUDE = 0x5009,
112 MLX5_REG_PMPE = 0x5010,
113 MLX5_REG_PELC = 0x500e,
114 MLX5_REG_PVLC = 0x500f,
115 MLX5_REG_PCMR = 0x5041,
116 MLX5_REG_PMLP = 0x5002,
117 MLX5_REG_NODE_DESC = 0x6001,
118 MLX5_REG_HOST_ENDIANNESS = 0x7004,
119 MLX5_REG_MCIA = 0x9014,
120 MLX5_REG_MLCR = 0x902b,
124 MLX5_ATOMIC_OPS_CMP_SWAP = 1 << 0,
125 MLX5_ATOMIC_OPS_FETCH_ADD = 1 << 1,
128 enum mlx5_page_fault_resume_flags {
129 MLX5_PAGE_FAULT_RESUME_REQUESTOR = 1 << 0,
130 MLX5_PAGE_FAULT_RESUME_WRITE = 1 << 1,
131 MLX5_PAGE_FAULT_RESUME_RDMA = 1 << 2,
132 MLX5_PAGE_FAULT_RESUME_ERROR = 1 << 7,
141 struct mlx5_field_desc {
146 struct mlx5_rsc_debug {
147 struct mlx5_core_dev *dev;
149 enum dbg_rsc_type type;
151 struct mlx5_field_desc fields[0];
154 enum mlx5_dev_event {
155 MLX5_DEV_EVENT_SYS_ERROR,
156 MLX5_DEV_EVENT_PORT_UP,
157 MLX5_DEV_EVENT_PORT_DOWN,
158 MLX5_DEV_EVENT_PORT_INITIALIZED,
159 MLX5_DEV_EVENT_LID_CHANGE,
160 MLX5_DEV_EVENT_PKEY_CHANGE,
161 MLX5_DEV_EVENT_GUID_CHANGE,
162 MLX5_DEV_EVENT_CLIENT_REREG,
165 enum mlx5_port_status {
170 struct mlx5_uuar_info {
171 struct mlx5_uar *uars;
173 int num_low_latency_uuars;
174 unsigned long *bitmap;
179 * protect uuar allocation data structs
187 void __iomem *regreg;
189 struct mlx5_uar *uar;
190 unsigned long offset;
192 /* protect blue flame buffer selection when needed
196 /* serialize 64 bit writes when done as two 32 bit accesses
202 struct mlx5_cmd_first {
206 struct mlx5_cmd_msg {
207 struct list_head list;
208 struct cache_ent *cache;
210 struct mlx5_cmd_first first;
211 struct mlx5_cmd_mailbox *next;
214 struct mlx5_cmd_debug {
215 struct dentry *dbg_root;
216 struct dentry *dbg_in;
217 struct dentry *dbg_out;
218 struct dentry *dbg_outlen;
219 struct dentry *dbg_status;
220 struct dentry *dbg_run;
229 /* protect block chain allocations
232 struct list_head head;
235 struct cmd_msg_cache {
236 struct cache_ent large;
237 struct cache_ent med;
241 struct mlx5_cmd_stats {
246 struct dentry *count;
247 /* protect command average calculations */
253 dma_addr_t alloc_dma;
264 /* protect command queue allocations
266 spinlock_t alloc_lock;
268 /* protect token allocations
270 spinlock_t token_lock;
272 unsigned long bitmask;
273 char wq_name[MLX5_CMD_WQ_MAX_NAME];
274 struct workqueue_struct *wq;
275 struct semaphore sem;
276 struct semaphore pages_sem;
278 struct mlx5_cmd_work_ent *ent_arr[MLX5_MAX_COMMANDS];
279 struct pci_pool *pool;
280 struct mlx5_cmd_debug dbg;
281 struct cmd_msg_cache cache;
282 int checksum_disabled;
283 struct mlx5_cmd_stats stats[MLX5_CMD_OP_MAX];
286 struct mlx5_port_caps {
292 struct mlx5_cmd_mailbox {
295 struct mlx5_cmd_mailbox *next;
298 struct mlx5_buf_list {
304 struct mlx5_buf_list direct;
311 struct mlx5_core_dev *dev;
312 __be32 __iomem *doorbell;
320 struct list_head list;
322 struct mlx5_rsc_debug *dbg;
325 struct mlx5_core_psv {
337 struct mlx5_core_sig_ctx {
338 struct mlx5_core_psv psv_memory;
339 struct mlx5_core_psv psv_wire;
340 struct ib_sig_err err_item;
341 bool sig_status_checked;
346 struct mlx5_core_mkey {
354 MLX5_RES_QP = MLX5_EVENT_QUEUE_TYPE_QP,
355 MLX5_RES_RQ = MLX5_EVENT_QUEUE_TYPE_RQ,
356 MLX5_RES_SQ = MLX5_EVENT_QUEUE_TYPE_SQ,
361 struct mlx5_core_rsc_common {
362 enum mlx5_res_type res;
364 struct completion free;
367 struct mlx5_core_srq {
368 struct mlx5_core_rsc_common common; /* must be first */
372 int max_avail_gather;
374 void (*event) (struct mlx5_core_srq *, enum mlx5_event);
377 struct completion free;
380 struct mlx5_eq_table {
381 void __iomem *update_ci;
382 void __iomem *update_arm_ci;
383 struct list_head comp_eqs_list;
384 struct mlx5_eq pages_eq;
385 struct mlx5_eq async_eq;
386 struct mlx5_eq cmd_eq;
387 int num_comp_vectors;
395 struct list_head bf_list;
396 unsigned free_bf_bmap;
397 void __iomem *bf_map;
402 struct mlx5_core_health {
403 struct health_buffer __iomem *health;
404 __be32 __iomem *health_counter;
405 struct timer_list timer;
409 struct workqueue_struct *wq;
410 struct work_struct work;
413 struct mlx5_cq_table {
414 /* protect radix tree
417 struct radix_tree_root tree;
420 struct mlx5_qp_table {
421 /* protect radix tree
424 struct radix_tree_root tree;
427 struct mlx5_srq_table {
428 /* protect radix tree
431 struct radix_tree_root tree;
434 struct mlx5_mkey_table {
435 /* protect radix tree
438 struct radix_tree_root tree;
441 struct mlx5_vf_context {
445 struct mlx5_core_sriov {
446 struct mlx5_vf_context *vfs_ctx;
451 struct mlx5_irq_info {
453 char name[MLX5_MAX_IRQ_NAME];
459 char name[MLX5_MAX_NAME_LEN];
460 struct mlx5_eq_table eq_table;
461 struct msix_entry *msix_arr;
462 struct mlx5_irq_info *irq_info;
463 struct mlx5_uuar_info uuari;
464 MLX5_DECLARE_DOORBELL_LOCK(cq_uar_lock);
467 struct workqueue_struct *pg_wq;
468 struct rb_root page_root;
471 struct list_head free_list;
474 struct mlx5_core_health health;
476 struct mlx5_srq_table srq_table;
478 /* start: qp staff */
479 struct mlx5_qp_table qp_table;
480 struct dentry *qp_debugfs;
481 struct dentry *eq_debugfs;
482 struct dentry *cq_debugfs;
483 struct dentry *cmdif_debugfs;
486 /* start: cq staff */
487 struct mlx5_cq_table cq_table;
490 /* start: mkey staff */
491 struct mlx5_mkey_table mkey_table;
492 /* end: mkey staff */
494 /* start: alloc staff */
495 /* protect buffer alocation according to numa node */
496 struct mutex alloc_mutex;
499 struct mutex pgdir_mutex;
500 struct list_head pgdir_list;
501 /* end: alloc staff */
502 struct dentry *dbg_root;
504 /* protect mkey key part */
505 spinlock_t mkey_lock;
508 struct list_head dev_list;
509 struct list_head ctx_list;
512 struct mlx5_eswitch *eswitch;
513 struct mlx5_core_sriov sriov;
514 unsigned long pci_dev_data;
515 struct mlx5_flow_root_namespace *root_ns;
516 struct mlx5_flow_root_namespace *fdb_root_ns;
519 enum mlx5_device_state {
520 MLX5_DEVICE_STATE_UP,
521 MLX5_DEVICE_STATE_INTERNAL_ERROR,
524 enum mlx5_interface_state {
525 MLX5_INTERFACE_STATE_DOWN,
526 MLX5_INTERFACE_STATE_UP,
529 enum mlx5_pci_status {
530 MLX5_PCI_STATUS_DISABLED,
531 MLX5_PCI_STATUS_ENABLED,
534 struct mlx5_core_dev {
535 struct pci_dev *pdev;
537 struct mutex pci_status_mutex;
538 enum mlx5_pci_status pci_status;
540 char board_id[MLX5_BOARD_ID_LEN];
542 struct mlx5_port_caps port_caps[MLX5_MAX_PORTS];
543 u32 hca_caps_cur[MLX5_CAP_NUM][MLX5_UN_SZ_DW(hca_cap_union)];
544 u32 hca_caps_max[MLX5_CAP_NUM][MLX5_UN_SZ_DW(hca_cap_union)];
545 phys_addr_t iseg_base;
546 struct mlx5_init_seg __iomem *iseg;
547 enum mlx5_device_state state;
548 /* sync interface state */
549 struct mutex intf_state_mutex;
550 enum mlx5_interface_state interface_state;
551 void (*event) (struct mlx5_core_dev *dev,
552 enum mlx5_dev_event event,
553 unsigned long param);
554 struct mlx5_priv priv;
555 struct mlx5_profile *profile;
563 struct mlx5_db_pgdir *pgdir;
564 struct mlx5_ib_user_db_page *user_page;
571 MLX5_DB_PER_PAGE = PAGE_SIZE / L1_CACHE_BYTES,
575 MLX5_COMP_EQ_SIZE = 1024,
579 MLX5_PTYS_IB = 1 << 0,
580 MLX5_PTYS_EN = 1 << 2,
583 struct mlx5_db_pgdir {
584 struct list_head list;
585 DECLARE_BITMAP(bitmap, MLX5_DB_PER_PAGE);
590 typedef void (*mlx5_cmd_cbk_t)(int status, void *context);
592 struct mlx5_cmd_work_ent {
593 struct mlx5_cmd_msg *in;
594 struct mlx5_cmd_msg *out;
597 mlx5_cmd_cbk_t callback;
600 struct completion done;
601 struct mlx5_cmd *cmd;
602 struct work_struct work;
603 struct mlx5_cmd_layout *lay;
618 enum port_state_policy {
619 MLX5_POLICY_DOWN = 0,
621 MLX5_POLICY_FOLLOW = 2,
622 MLX5_POLICY_INVALID = 0xffffffff
625 enum phy_port_state {
629 struct mlx5_hca_vport_context {
634 enum port_state_policy policy;
635 enum phy_port_state phys_state;
636 enum ib_port_state vport_state;
637 u8 port_physical_state;
646 u8 init_type_reply; /* bitmask: see ib spec 14.2.5.6 InitTypeReply */
651 u16 qkey_violation_counter;
652 u16 pkey_violation_counter;
656 static inline void *mlx5_buf_offset(struct mlx5_buf *buf, int offset)
658 return buf->direct.buf + offset;
661 extern struct workqueue_struct *mlx5_core_wq;
663 #define STRUCT_FIELD(header, field) \
664 .struct_offset_bytes = offsetof(struct ib_unpacked_ ## header, field), \
665 .struct_size_bytes = sizeof((struct ib_unpacked_ ## header *)0)->field
667 static inline struct mlx5_core_dev *pci2mlx5_core_dev(struct pci_dev *pdev)
669 return pci_get_drvdata(pdev);
672 extern struct dentry *mlx5_debugfs_root;
674 static inline u16 fw_rev_maj(struct mlx5_core_dev *dev)
676 return ioread32be(&dev->iseg->fw_rev) & 0xffff;
679 static inline u16 fw_rev_min(struct mlx5_core_dev *dev)
681 return ioread32be(&dev->iseg->fw_rev) >> 16;
684 static inline u16 fw_rev_sub(struct mlx5_core_dev *dev)
686 return ioread32be(&dev->iseg->cmdif_rev_fw_sub) & 0xffff;
689 static inline u16 cmdif_rev(struct mlx5_core_dev *dev)
691 return ioread32be(&dev->iseg->cmdif_rev_fw_sub) >> 16;
694 static inline void *mlx5_vzalloc(unsigned long size)
698 rtn = kzalloc(size, GFP_KERNEL | __GFP_NOWARN);
704 static inline u32 mlx5_base_mkey(const u32 key)
706 return key & 0xffffff00u;
709 int mlx5_cmd_init(struct mlx5_core_dev *dev);
710 void mlx5_cmd_cleanup(struct mlx5_core_dev *dev);
711 void mlx5_cmd_use_events(struct mlx5_core_dev *dev);
712 void mlx5_cmd_use_polling(struct mlx5_core_dev *dev);
713 int mlx5_cmd_status_to_err(struct mlx5_outbox_hdr *hdr);
714 int mlx5_cmd_status_to_err_v2(void *ptr);
715 int mlx5_core_get_caps(struct mlx5_core_dev *dev, enum mlx5_cap_type cap_type);
716 int mlx5_cmd_exec(struct mlx5_core_dev *dev, void *in, int in_size, void *out,
718 int mlx5_cmd_exec_cb(struct mlx5_core_dev *dev, void *in, int in_size,
719 void *out, int out_size, mlx5_cmd_cbk_t callback,
721 int mlx5_cmd_alloc_uar(struct mlx5_core_dev *dev, u32 *uarn);
722 int mlx5_cmd_free_uar(struct mlx5_core_dev *dev, u32 uarn);
723 int mlx5_alloc_uuars(struct mlx5_core_dev *dev, struct mlx5_uuar_info *uuari);
724 int mlx5_free_uuars(struct mlx5_core_dev *dev, struct mlx5_uuar_info *uuari);
725 int mlx5_alloc_map_uar(struct mlx5_core_dev *mdev, struct mlx5_uar *uar,
727 void mlx5_unmap_free_uar(struct mlx5_core_dev *mdev, struct mlx5_uar *uar);
728 void mlx5_health_cleanup(struct mlx5_core_dev *dev);
729 int mlx5_health_init(struct mlx5_core_dev *dev);
730 void mlx5_start_health_poll(struct mlx5_core_dev *dev);
731 void mlx5_stop_health_poll(struct mlx5_core_dev *dev);
732 int mlx5_buf_alloc_node(struct mlx5_core_dev *dev, int size,
733 struct mlx5_buf *buf, int node);
734 int mlx5_buf_alloc(struct mlx5_core_dev *dev, int size, struct mlx5_buf *buf);
735 void mlx5_buf_free(struct mlx5_core_dev *dev, struct mlx5_buf *buf);
736 struct mlx5_cmd_mailbox *mlx5_alloc_cmd_mailbox_chain(struct mlx5_core_dev *dev,
737 gfp_t flags, int npages);
738 void mlx5_free_cmd_mailbox_chain(struct mlx5_core_dev *dev,
739 struct mlx5_cmd_mailbox *head);
740 int mlx5_core_create_srq(struct mlx5_core_dev *dev, struct mlx5_core_srq *srq,
741 struct mlx5_create_srq_mbox_in *in, int inlen,
743 int mlx5_core_destroy_srq(struct mlx5_core_dev *dev, struct mlx5_core_srq *srq);
744 int mlx5_core_query_srq(struct mlx5_core_dev *dev, struct mlx5_core_srq *srq,
745 struct mlx5_query_srq_mbox_out *out);
746 int mlx5_core_arm_srq(struct mlx5_core_dev *dev, struct mlx5_core_srq *srq,
747 u16 lwm, int is_srq);
748 void mlx5_init_mkey_table(struct mlx5_core_dev *dev);
749 void mlx5_cleanup_mkey_table(struct mlx5_core_dev *dev);
750 int mlx5_core_create_mkey(struct mlx5_core_dev *dev,
751 struct mlx5_core_mkey *mkey,
752 struct mlx5_create_mkey_mbox_in *in, int inlen,
753 mlx5_cmd_cbk_t callback, void *context,
754 struct mlx5_create_mkey_mbox_out *out);
755 int mlx5_core_destroy_mkey(struct mlx5_core_dev *dev,
756 struct mlx5_core_mkey *mkey);
757 int mlx5_core_query_mkey(struct mlx5_core_dev *dev, struct mlx5_core_mkey *mkey,
758 struct mlx5_query_mkey_mbox_out *out, int outlen);
759 int mlx5_core_dump_fill_mkey(struct mlx5_core_dev *dev, struct mlx5_core_mkey *_mkey,
761 int mlx5_core_alloc_pd(struct mlx5_core_dev *dev, u32 *pdn);
762 int mlx5_core_dealloc_pd(struct mlx5_core_dev *dev, u32 pdn);
763 int mlx5_core_mad_ifc(struct mlx5_core_dev *dev, const void *inb, void *outb,
765 void mlx5_pagealloc_init(struct mlx5_core_dev *dev);
766 void mlx5_pagealloc_cleanup(struct mlx5_core_dev *dev);
767 int mlx5_pagealloc_start(struct mlx5_core_dev *dev);
768 void mlx5_pagealloc_stop(struct mlx5_core_dev *dev);
769 int mlx5_sriov_init(struct mlx5_core_dev *dev);
770 int mlx5_sriov_cleanup(struct mlx5_core_dev *dev);
771 void mlx5_core_req_pages_handler(struct mlx5_core_dev *dev, u16 func_id,
773 int mlx5_satisfy_startup_pages(struct mlx5_core_dev *dev, int boot);
774 int mlx5_reclaim_startup_pages(struct mlx5_core_dev *dev);
775 void mlx5_register_debugfs(void);
776 void mlx5_unregister_debugfs(void);
777 int mlx5_eq_init(struct mlx5_core_dev *dev);
778 void mlx5_eq_cleanup(struct mlx5_core_dev *dev);
779 void mlx5_fill_page_array(struct mlx5_buf *buf, __be64 *pas);
780 void mlx5_cq_completion(struct mlx5_core_dev *dev, u32 cqn);
781 void mlx5_rsc_event(struct mlx5_core_dev *dev, u32 rsn, int event_type);
782 #ifdef CONFIG_INFINIBAND_ON_DEMAND_PAGING
783 void mlx5_eq_pagefault(struct mlx5_core_dev *dev, struct mlx5_eqe *eqe);
785 void mlx5_srq_event(struct mlx5_core_dev *dev, u32 srqn, int event_type);
786 struct mlx5_core_srq *mlx5_core_get_srq(struct mlx5_core_dev *dev, u32 srqn);
787 void mlx5_cmd_comp_handler(struct mlx5_core_dev *dev, u64 vec);
788 void mlx5_cq_event(struct mlx5_core_dev *dev, u32 cqn, int event_type);
789 int mlx5_create_map_eq(struct mlx5_core_dev *dev, struct mlx5_eq *eq, u8 vecidx,
790 int nent, u64 mask, const char *name, struct mlx5_uar *uar);
791 int mlx5_destroy_unmap_eq(struct mlx5_core_dev *dev, struct mlx5_eq *eq);
792 int mlx5_start_eqs(struct mlx5_core_dev *dev);
793 int mlx5_stop_eqs(struct mlx5_core_dev *dev);
794 int mlx5_vector2eqn(struct mlx5_core_dev *dev, int vector, int *eqn,
796 int mlx5_core_attach_mcg(struct mlx5_core_dev *dev, union ib_gid *mgid, u32 qpn);
797 int mlx5_core_detach_mcg(struct mlx5_core_dev *dev, union ib_gid *mgid, u32 qpn);
799 int mlx5_qp_debugfs_init(struct mlx5_core_dev *dev);
800 void mlx5_qp_debugfs_cleanup(struct mlx5_core_dev *dev);
801 int mlx5_core_access_reg(struct mlx5_core_dev *dev, void *data_in,
802 int size_in, void *data_out, int size_out,
803 u16 reg_num, int arg, int write);
805 int mlx5_debug_eq_add(struct mlx5_core_dev *dev, struct mlx5_eq *eq);
806 void mlx5_debug_eq_remove(struct mlx5_core_dev *dev, struct mlx5_eq *eq);
807 int mlx5_core_eq_query(struct mlx5_core_dev *dev, struct mlx5_eq *eq,
808 struct mlx5_query_eq_mbox_out *out, int outlen);
809 int mlx5_eq_debugfs_init(struct mlx5_core_dev *dev);
810 void mlx5_eq_debugfs_cleanup(struct mlx5_core_dev *dev);
811 int mlx5_cq_debugfs_init(struct mlx5_core_dev *dev);
812 void mlx5_cq_debugfs_cleanup(struct mlx5_core_dev *dev);
813 int mlx5_db_alloc(struct mlx5_core_dev *dev, struct mlx5_db *db);
814 int mlx5_db_alloc_node(struct mlx5_core_dev *dev, struct mlx5_db *db,
816 void mlx5_db_free(struct mlx5_core_dev *dev, struct mlx5_db *db);
818 const char *mlx5_command_str(int command);
819 int mlx5_cmdif_debugfs_init(struct mlx5_core_dev *dev);
820 void mlx5_cmdif_debugfs_cleanup(struct mlx5_core_dev *dev);
821 int mlx5_core_create_psv(struct mlx5_core_dev *dev, u32 pdn,
822 int npsvs, u32 *sig_index);
823 int mlx5_core_destroy_psv(struct mlx5_core_dev *dev, int psv_num);
824 void mlx5_core_put_rsc(struct mlx5_core_rsc_common *common);
825 int mlx5_query_odp_caps(struct mlx5_core_dev *dev,
826 struct mlx5_odp_caps *odp_caps);
827 int mlx5_core_query_ib_ppcnt(struct mlx5_core_dev *dev,
828 u8 port_num, void *out, size_t sz);
830 static inline int fw_initializing(struct mlx5_core_dev *dev)
832 return ioread32be(&dev->iseg->initializing) >> 31;
835 static inline u32 mlx5_mkey_to_idx(u32 mkey)
840 static inline u32 mlx5_idx_to_mkey(u32 mkey_idx)
842 return mkey_idx << 8;
845 static inline u8 mlx5_mkey_variant(u32 mkey)
851 MLX5_PROF_MASK_QP_SIZE = (u64)1 << 0,
852 MLX5_PROF_MASK_MR_CACHE = (u64)1 << 1,
856 MAX_MR_CACHE_ENTRIES = 16,
860 MLX5_INTERFACE_PROTOCOL_IB = 0,
861 MLX5_INTERFACE_PROTOCOL_ETH = 1,
864 struct mlx5_interface {
865 void * (*add)(struct mlx5_core_dev *dev);
866 void (*remove)(struct mlx5_core_dev *dev, void *context);
867 void (*event)(struct mlx5_core_dev *dev, void *context,
868 enum mlx5_dev_event event, unsigned long param);
869 void * (*get_dev)(void *context);
871 struct list_head list;
874 void *mlx5_get_protocol_dev(struct mlx5_core_dev *mdev, int protocol);
875 int mlx5_register_interface(struct mlx5_interface *intf);
876 void mlx5_unregister_interface(struct mlx5_interface *intf);
877 int mlx5_core_query_vendor_id(struct mlx5_core_dev *mdev, u32 *vendor_id);
879 struct mlx5_profile {
885 } mr_cache[MAX_MR_CACHE_ENTRIES];
889 MLX5_PCI_DEV_IS_VF = 1 << 0,
892 static inline int mlx5_core_is_pf(struct mlx5_core_dev *dev)
894 return !(dev->priv.pci_dev_data & MLX5_PCI_DEV_IS_VF);
897 static inline int mlx5_get_gid_table_len(u16 param)
900 pr_warn("gid table length is zero\n");
904 return 8 * (1 << param);
908 MLX5_TRIGGERED_CMD_COMP = (u64)1 << 32,
911 #endif /* MLX5_DRIVER_H */