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OpenCloudOS-Kernel/include/linux/mlx5/driver.h

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/*
* Copyright (c) 2013-2015, Mellanox Technologies. All rights reserved.
*
* This software is available to you under a choice of one of two
* licenses. You may choose to be licensed under the terms of the GNU
* General Public License (GPL) Version 2, available from the file
* COPYING in the main directory of this source tree, or the
* OpenIB.org BSD license below:
*
* Redistribution and use in source and binary forms, with or
* without modification, are permitted provided that the following
* conditions are met:
*
* - Redistributions of source code must retain the above
* copyright notice, this list of conditions and the following
* disclaimer.
*
* - Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#ifndef MLX5_DRIVER_H
#define MLX5_DRIVER_H
#include <linux/kernel.h>
#include <linux/completion.h>
#include <linux/pci.h>
#include <linux/spinlock_types.h>
#include <linux/semaphore.h>
#include <linux/slab.h>
#include <linux/vmalloc.h>
#include <linux/radix-tree.h>
#include <linux/mlx5/device.h>
#include <linux/mlx5/doorbell.h>
#include <linux/mlx5/mlx5_ifc.h>
enum {
MLX5_BOARD_ID_LEN = 64,
MLX5_MAX_NAME_LEN = 16,
};
enum {
/* one minute for the sake of bringup. Generally, commands must always
* complete and we may need to increase this timeout value
*/
MLX5_CMD_TIMEOUT_MSEC = 7200 * 1000,
MLX5_CMD_WQ_MAX_NAME = 32,
};
enum {
CMD_OWNER_SW = 0x0,
CMD_OWNER_HW = 0x1,
CMD_STATUS_SUCCESS = 0,
};
enum mlx5_sqp_t {
MLX5_SQP_SMI = 0,
MLX5_SQP_GSI = 1,
MLX5_SQP_IEEE_1588 = 2,
MLX5_SQP_SNIFFER = 3,
MLX5_SQP_SYNC_UMR = 4,
};
enum {
MLX5_MAX_PORTS = 2,
};
enum {
MLX5_EQ_VEC_PAGES = 0,
MLX5_EQ_VEC_CMD = 1,
MLX5_EQ_VEC_ASYNC = 2,
MLX5_EQ_VEC_COMP_BASE,
};
enum {
MLX5_MAX_EQ_NAME = 32
};
enum {
MLX5_ATOMIC_MODE_IB_COMP = 1 << 16,
MLX5_ATOMIC_MODE_CX = 2 << 16,
MLX5_ATOMIC_MODE_8B = 3 << 16,
MLX5_ATOMIC_MODE_16B = 4 << 16,
MLX5_ATOMIC_MODE_32B = 5 << 16,
MLX5_ATOMIC_MODE_64B = 6 << 16,
MLX5_ATOMIC_MODE_128B = 7 << 16,
MLX5_ATOMIC_MODE_256B = 8 << 16,
};
enum {
MLX5_REG_PCAP = 0x5001,
MLX5_REG_PMTU = 0x5003,
MLX5_REG_PTYS = 0x5004,
MLX5_REG_PAOS = 0x5006,
MLX5_REG_PMAOS = 0x5012,
MLX5_REG_PUDE = 0x5009,
MLX5_REG_PMPE = 0x5010,
MLX5_REG_PELC = 0x500e,
MLX5_REG_PMLP = 0, /* TBD */
MLX5_REG_NODE_DESC = 0x6001,
MLX5_REG_HOST_ENDIANNESS = 0x7004,
};
enum mlx5_page_fault_resume_flags {
MLX5_PAGE_FAULT_RESUME_REQUESTOR = 1 << 0,
MLX5_PAGE_FAULT_RESUME_WRITE = 1 << 1,
MLX5_PAGE_FAULT_RESUME_RDMA = 1 << 2,
MLX5_PAGE_FAULT_RESUME_ERROR = 1 << 7,
};
enum dbg_rsc_type {
MLX5_DBG_RSC_QP,
MLX5_DBG_RSC_EQ,
MLX5_DBG_RSC_CQ,
};
struct mlx5_field_desc {
struct dentry *dent;
int i;
};
struct mlx5_rsc_debug {
struct mlx5_core_dev *dev;
void *object;
enum dbg_rsc_type type;
struct dentry *root;
struct mlx5_field_desc fields[0];
};
enum mlx5_dev_event {
MLX5_DEV_EVENT_SYS_ERROR,
MLX5_DEV_EVENT_PORT_UP,
MLX5_DEV_EVENT_PORT_DOWN,
MLX5_DEV_EVENT_PORT_INITIALIZED,
MLX5_DEV_EVENT_LID_CHANGE,
MLX5_DEV_EVENT_PKEY_CHANGE,
MLX5_DEV_EVENT_GUID_CHANGE,
MLX5_DEV_EVENT_CLIENT_REREG,
};
struct mlx5_uuar_info {
struct mlx5_uar *uars;
int num_uars;
int num_low_latency_uuars;
unsigned long *bitmap;
unsigned int *count;
struct mlx5_bf *bfs;
/*
* protect uuar allocation data structs
*/
struct mutex lock;
u32 ver;
};
struct mlx5_bf {
void __iomem *reg;
void __iomem *regreg;
int buf_size;
struct mlx5_uar *uar;
unsigned long offset;
int need_lock;
/* protect blue flame buffer selection when needed
*/
spinlock_t lock;
/* serialize 64 bit writes when done as two 32 bit accesses
*/
spinlock_t lock32;
int uuarn;
};
struct mlx5_cmd_first {
__be32 data[4];
};
struct mlx5_cmd_msg {
struct list_head list;
struct cache_ent *cache;
u32 len;
struct mlx5_cmd_first first;
struct mlx5_cmd_mailbox *next;
};
struct mlx5_cmd_debug {
struct dentry *dbg_root;
struct dentry *dbg_in;
struct dentry *dbg_out;
struct dentry *dbg_outlen;
struct dentry *dbg_status;
struct dentry *dbg_run;
void *in_msg;
void *out_msg;
u8 status;
u16 inlen;
u16 outlen;
};
struct cache_ent {
/* protect block chain allocations
*/
spinlock_t lock;
struct list_head head;
};
struct cmd_msg_cache {
struct cache_ent large;
struct cache_ent med;
};
struct mlx5_cmd_stats {
u64 sum;
u64 n;
struct dentry *root;
struct dentry *avg;
struct dentry *count;
/* protect command average calculations */
spinlock_t lock;
};
struct mlx5_cmd {
void *cmd_alloc_buf;
dma_addr_t alloc_dma;
int alloc_size;
void *cmd_buf;
dma_addr_t dma;
u16 cmdif_rev;
u8 log_sz;
u8 log_stride;
int max_reg_cmds;
int events;
u32 __iomem *vector;
/* protect command queue allocations
*/
spinlock_t alloc_lock;
/* protect token allocations
*/
spinlock_t token_lock;
u8 token;
unsigned long bitmask;
char wq_name[MLX5_CMD_WQ_MAX_NAME];
struct workqueue_struct *wq;
struct semaphore sem;
struct semaphore pages_sem;
int mode;
struct mlx5_cmd_work_ent *ent_arr[MLX5_MAX_COMMANDS];
struct pci_pool *pool;
struct mlx5_cmd_debug dbg;
struct cmd_msg_cache cache;
int checksum_disabled;
struct mlx5_cmd_stats stats[MLX5_CMD_OP_MAX];
};
struct mlx5_port_caps {
int gid_table_len;
int pkey_table_len;
};
struct mlx5_general_caps {
u8 log_max_eq;
u8 log_max_cq;
u8 log_max_qp;
u8 log_max_mkey;
u8 log_max_pd;
u8 log_max_srq;
u8 log_max_strq;
u8 log_max_mrw_sz;
u8 log_max_bsf_list_size;
u8 log_max_klm_list_size;
u32 max_cqes;
int max_wqes;
u32 max_eqes;
u32 max_indirection;
int max_sq_desc_sz;
int max_rq_desc_sz;
int max_dc_sq_desc_sz;
u64 flags;
u16 stat_rate_support;
int log_max_msg;
int num_ports;
u8 log_max_ra_res_qp;
u8 log_max_ra_req_qp;
int max_srq_wqes;
int bf_reg_size;
int bf_regs_per_page;
struct mlx5_port_caps port[MLX5_MAX_PORTS];
u8 ext_port_cap[MLX5_MAX_PORTS];
int max_vf;
u32 reserved_lkey;
u8 local_ca_ack_delay;
u8 log_max_mcg;
u32 max_qp_mcg;
int min_page_sz;
int pd_cap;
u32 max_qp_counters;
u32 pkey_table_size;
u8 log_max_ra_req_dc;
u8 log_max_ra_res_dc;
u32 uar_sz;
u8 min_log_pg_sz;
u8 log_max_xrcd;
u16 log_uar_page_sz;
};
struct mlx5_caps {
struct mlx5_general_caps gen;
};
struct mlx5_cmd_mailbox {
void *buf;
dma_addr_t dma;
struct mlx5_cmd_mailbox *next;
};
struct mlx5_buf_list {
void *buf;
dma_addr_t map;
};
struct mlx5_buf {
struct mlx5_buf_list direct;
struct mlx5_buf_list *page_list;
int nbufs;
int npages;
int size;
u8 page_shift;
};
struct mlx5_eq {
struct mlx5_core_dev *dev;
__be32 __iomem *doorbell;
u32 cons_index;
struct mlx5_buf buf;
int size;
u8 irqn;
u8 eqn;
int nent;
u64 mask;
char name[MLX5_MAX_EQ_NAME];
struct list_head list;
int index;
struct mlx5_rsc_debug *dbg;
};
struct mlx5_core_psv {
u32 psv_idx;
struct psv_layout {
u32 pd;
u16 syndrome;
u16 reserved;
u16 bg;
u16 app_tag;
u32 ref_tag;
} psv;
};
struct mlx5_core_sig_ctx {
struct mlx5_core_psv psv_memory;
struct mlx5_core_psv psv_wire;
struct ib_sig_err err_item;
bool sig_status_checked;
bool sig_err_exists;
u32 sigerr_count;
};
struct mlx5_core_mr {
u64 iova;
u64 size;
u32 key;
u32 pd;
};
enum mlx5_res_type {
MLX5_RES_QP,
};
struct mlx5_core_rsc_common {
enum mlx5_res_type res;
atomic_t refcount;
struct completion free;
};
struct mlx5_core_srq {
u32 srqn;
int max;
int max_gs;
int max_avail_gather;
int wqe_shift;
void (*event) (struct mlx5_core_srq *, enum mlx5_event);
atomic_t refcount;
struct completion free;
};
struct mlx5_eq_table {
void __iomem *update_ci;
void __iomem *update_arm_ci;
struct list_head comp_eqs_list;
struct mlx5_eq pages_eq;
struct mlx5_eq async_eq;
struct mlx5_eq cmd_eq;
struct msix_entry *msix_arr;
int num_comp_vectors;
/* protect EQs list
*/
spinlock_t lock;
};
struct mlx5_uar {
u32 index;
struct list_head bf_list;
unsigned free_bf_bmap;
void __iomem *wc_map;
void __iomem *map;
};
struct mlx5_core_health {
struct health_buffer __iomem *health;
__be32 __iomem *health_counter;
struct timer_list timer;
struct list_head list;
u32 prev;
int miss_counter;
};
struct mlx5_cq_table {
/* protect radix tree
*/
spinlock_t lock;
struct radix_tree_root tree;
};
struct mlx5_qp_table {
/* protect radix tree
*/
spinlock_t lock;
struct radix_tree_root tree;
};
struct mlx5_srq_table {
/* protect radix tree
*/
spinlock_t lock;
struct radix_tree_root tree;
};
struct mlx5_mr_table {
/* protect radix tree
*/
rwlock_t lock;
struct radix_tree_root tree;
};
struct mlx5_priv {
char name[MLX5_MAX_NAME_LEN];
struct mlx5_eq_table eq_table;
struct mlx5_uuar_info uuari;
MLX5_DECLARE_DOORBELL_LOCK(cq_uar_lock);
/* pages stuff */
struct workqueue_struct *pg_wq;
struct rb_root page_root;
int fw_pages;
atomic_t reg_pages;
struct list_head free_list;
struct mlx5_core_health health;
struct mlx5_srq_table srq_table;
/* start: qp staff */
struct mlx5_qp_table qp_table;
struct dentry *qp_debugfs;
struct dentry *eq_debugfs;
struct dentry *cq_debugfs;
struct dentry *cmdif_debugfs;
/* end: qp staff */
/* start: cq staff */
struct mlx5_cq_table cq_table;
/* end: cq staff */
/* start: mr staff */
struct mlx5_mr_table mr_table;
/* end: mr staff */
/* start: alloc staff */
struct mutex pgdir_mutex;
struct list_head pgdir_list;
/* end: alloc staff */
struct dentry *dbg_root;
/* protect mkey key part */
spinlock_t mkey_lock;
u8 mkey_key;
struct list_head dev_list;
struct list_head ctx_list;
spinlock_t ctx_lock;
};
struct mlx5_core_dev {
struct pci_dev *pdev;
u8 rev_id;
char board_id[MLX5_BOARD_ID_LEN];
struct mlx5_cmd cmd;
struct mlx5_caps caps;
phys_addr_t iseg_base;
struct mlx5_init_seg __iomem *iseg;
void (*event) (struct mlx5_core_dev *dev,
enum mlx5_dev_event event,
unsigned long param);
struct mlx5_priv priv;
struct mlx5_profile *profile;
atomic_t num_qps;
};
struct mlx5_db {
__be32 *db;
union {
struct mlx5_db_pgdir *pgdir;
struct mlx5_ib_user_db_page *user_page;
} u;
dma_addr_t dma;
int index;
};
enum {
MLX5_DB_PER_PAGE = PAGE_SIZE / L1_CACHE_BYTES,
};
enum {
MLX5_COMP_EQ_SIZE = 1024,
};
struct mlx5_db_pgdir {
struct list_head list;
DECLARE_BITMAP(bitmap, MLX5_DB_PER_PAGE);
__be32 *db_page;
dma_addr_t db_dma;
};
typedef void (*mlx5_cmd_cbk_t)(int status, void *context);
struct mlx5_cmd_work_ent {
struct mlx5_cmd_msg *in;
struct mlx5_cmd_msg *out;
void *uout;
int uout_size;
mlx5_cmd_cbk_t callback;
void *context;
int idx;
struct completion done;
struct mlx5_cmd *cmd;
struct work_struct work;
struct mlx5_cmd_layout *lay;
int ret;
int page_queue;
u8 status;
u8 token;
u64 ts1;
u64 ts2;
u16 op;
};
struct mlx5_pas {
u64 pa;
u8 log_sz;
};
static inline void *mlx5_buf_offset(struct mlx5_buf *buf, int offset)
{
if (likely(BITS_PER_LONG == 64 || buf->nbufs == 1))
return buf->direct.buf + offset;
else
return buf->page_list[offset >> PAGE_SHIFT].buf +
(offset & (PAGE_SIZE - 1));
}
extern struct workqueue_struct *mlx5_core_wq;
#define STRUCT_FIELD(header, field) \
.struct_offset_bytes = offsetof(struct ib_unpacked_ ## header, field), \
.struct_size_bytes = sizeof((struct ib_unpacked_ ## header *)0)->field
struct ib_field {
size_t struct_offset_bytes;
size_t struct_size_bytes;
int offset_bits;
int size_bits;
};
static inline struct mlx5_core_dev *pci2mlx5_core_dev(struct pci_dev *pdev)
{
return pci_get_drvdata(pdev);
}
extern struct dentry *mlx5_debugfs_root;
static inline u16 fw_rev_maj(struct mlx5_core_dev *dev)
{
return ioread32be(&dev->iseg->fw_rev) & 0xffff;
}
static inline u16 fw_rev_min(struct mlx5_core_dev *dev)
{
return ioread32be(&dev->iseg->fw_rev) >> 16;
}
static inline u16 fw_rev_sub(struct mlx5_core_dev *dev)
{
return ioread32be(&dev->iseg->cmdif_rev_fw_sub) & 0xffff;
}
static inline u16 cmdif_rev(struct mlx5_core_dev *dev)
{
return ioread32be(&dev->iseg->cmdif_rev_fw_sub) >> 16;
}
static inline void *mlx5_vzalloc(unsigned long size)
{
void *rtn;
rtn = kzalloc(size, GFP_KERNEL | __GFP_NOWARN);
if (!rtn)
rtn = vzalloc(size);
return rtn;
}
static inline u32 mlx5_base_mkey(const u32 key)
{
return key & 0xffffff00u;
}
int mlx5_cmd_init(struct mlx5_core_dev *dev);
void mlx5_cmd_cleanup(struct mlx5_core_dev *dev);
void mlx5_cmd_use_events(struct mlx5_core_dev *dev);
void mlx5_cmd_use_polling(struct mlx5_core_dev *dev);
int mlx5_cmd_status_to_err(struct mlx5_outbox_hdr *hdr);
int mlx5_cmd_status_to_err_v2(void *ptr);
int mlx5_core_get_caps(struct mlx5_core_dev *dev, struct mlx5_caps *caps,
u16 opmod);
int mlx5_cmd_exec(struct mlx5_core_dev *dev, void *in, int in_size, void *out,
int out_size);
int mlx5_cmd_exec_cb(struct mlx5_core_dev *dev, void *in, int in_size,
void *out, int out_size, mlx5_cmd_cbk_t callback,
void *context);
int mlx5_cmd_alloc_uar(struct mlx5_core_dev *dev, u32 *uarn);
int mlx5_cmd_free_uar(struct mlx5_core_dev *dev, u32 uarn);
int mlx5_alloc_uuars(struct mlx5_core_dev *dev, struct mlx5_uuar_info *uuari);
int mlx5_free_uuars(struct mlx5_core_dev *dev, struct mlx5_uuar_info *uuari);
void mlx5_health_cleanup(void);
void __init mlx5_health_init(void);
void mlx5_start_health_poll(struct mlx5_core_dev *dev);
void mlx5_stop_health_poll(struct mlx5_core_dev *dev);
int mlx5_buf_alloc(struct mlx5_core_dev *dev, int size, int max_direct,
struct mlx5_buf *buf);
void mlx5_buf_free(struct mlx5_core_dev *dev, struct mlx5_buf *buf);
struct mlx5_cmd_mailbox *mlx5_alloc_cmd_mailbox_chain(struct mlx5_core_dev *dev,
gfp_t flags, int npages);
void mlx5_free_cmd_mailbox_chain(struct mlx5_core_dev *dev,
struct mlx5_cmd_mailbox *head);
int mlx5_core_create_srq(struct mlx5_core_dev *dev, struct mlx5_core_srq *srq,
struct mlx5_create_srq_mbox_in *in, int inlen);
int mlx5_core_destroy_srq(struct mlx5_core_dev *dev, struct mlx5_core_srq *srq);
int mlx5_core_query_srq(struct mlx5_core_dev *dev, struct mlx5_core_srq *srq,
struct mlx5_query_srq_mbox_out *out);
int mlx5_core_arm_srq(struct mlx5_core_dev *dev, struct mlx5_core_srq *srq,
u16 lwm, int is_srq);
void mlx5_init_mr_table(struct mlx5_core_dev *dev);
void mlx5_cleanup_mr_table(struct mlx5_core_dev *dev);
int mlx5_core_create_mkey(struct mlx5_core_dev *dev, struct mlx5_core_mr *mr,
struct mlx5_create_mkey_mbox_in *in, int inlen,
mlx5_cmd_cbk_t callback, void *context,
struct mlx5_create_mkey_mbox_out *out);
int mlx5_core_destroy_mkey(struct mlx5_core_dev *dev, struct mlx5_core_mr *mr);
int mlx5_core_query_mkey(struct mlx5_core_dev *dev, struct mlx5_core_mr *mr,
struct mlx5_query_mkey_mbox_out *out, int outlen);
int mlx5_core_dump_fill_mkey(struct mlx5_core_dev *dev, struct mlx5_core_mr *mr,
u32 *mkey);
int mlx5_core_alloc_pd(struct mlx5_core_dev *dev, u32 *pdn);
int mlx5_core_dealloc_pd(struct mlx5_core_dev *dev, u32 pdn);
int mlx5_core_mad_ifc(struct mlx5_core_dev *dev, void *inb, void *outb,
u16 opmod, u8 port);
void mlx5_pagealloc_init(struct mlx5_core_dev *dev);
void mlx5_pagealloc_cleanup(struct mlx5_core_dev *dev);
int mlx5_pagealloc_start(struct mlx5_core_dev *dev);
void mlx5_pagealloc_stop(struct mlx5_core_dev *dev);
void mlx5_core_req_pages_handler(struct mlx5_core_dev *dev, u16 func_id,
s32 npages);
int mlx5_satisfy_startup_pages(struct mlx5_core_dev *dev, int boot);
int mlx5_reclaim_startup_pages(struct mlx5_core_dev *dev);
void mlx5_register_debugfs(void);
void mlx5_unregister_debugfs(void);
int mlx5_eq_init(struct mlx5_core_dev *dev);
void mlx5_eq_cleanup(struct mlx5_core_dev *dev);
void mlx5_fill_page_array(struct mlx5_buf *buf, __be64 *pas);
void mlx5_cq_completion(struct mlx5_core_dev *dev, u32 cqn);
void mlx5_rsc_event(struct mlx5_core_dev *dev, u32 rsn, int event_type);
#ifdef CONFIG_INFINIBAND_ON_DEMAND_PAGING
void mlx5_eq_pagefault(struct mlx5_core_dev *dev, struct mlx5_eqe *eqe);
#endif
void mlx5_srq_event(struct mlx5_core_dev *dev, u32 srqn, int event_type);
struct mlx5_core_srq *mlx5_core_get_srq(struct mlx5_core_dev *dev, u32 srqn);
void mlx5_cmd_comp_handler(struct mlx5_core_dev *dev, unsigned long vector);
void mlx5_cq_event(struct mlx5_core_dev *dev, u32 cqn, int event_type);
int mlx5_create_map_eq(struct mlx5_core_dev *dev, struct mlx5_eq *eq, u8 vecidx,
int nent, u64 mask, const char *name, struct mlx5_uar *uar);
int mlx5_destroy_unmap_eq(struct mlx5_core_dev *dev, struct mlx5_eq *eq);
int mlx5_start_eqs(struct mlx5_core_dev *dev);
int mlx5_stop_eqs(struct mlx5_core_dev *dev);
int mlx5_vector2eqn(struct mlx5_core_dev *dev, int vector, int *eqn, int *irqn);
int mlx5_core_attach_mcg(struct mlx5_core_dev *dev, union ib_gid *mgid, u32 qpn);
int mlx5_core_detach_mcg(struct mlx5_core_dev *dev, union ib_gid *mgid, u32 qpn);
int mlx5_qp_debugfs_init(struct mlx5_core_dev *dev);
void mlx5_qp_debugfs_cleanup(struct mlx5_core_dev *dev);
int mlx5_core_access_reg(struct mlx5_core_dev *dev, void *data_in,
int size_in, void *data_out, int size_out,
u16 reg_num, int arg, int write);
int mlx5_set_port_caps(struct mlx5_core_dev *dev, u8 port_num, u32 caps);
int mlx5_debug_eq_add(struct mlx5_core_dev *dev, struct mlx5_eq *eq);
void mlx5_debug_eq_remove(struct mlx5_core_dev *dev, struct mlx5_eq *eq);
int mlx5_core_eq_query(struct mlx5_core_dev *dev, struct mlx5_eq *eq,
struct mlx5_query_eq_mbox_out *out, int outlen);
int mlx5_eq_debugfs_init(struct mlx5_core_dev *dev);
void mlx5_eq_debugfs_cleanup(struct mlx5_core_dev *dev);
int mlx5_cq_debugfs_init(struct mlx5_core_dev *dev);
void mlx5_cq_debugfs_cleanup(struct mlx5_core_dev *dev);
int mlx5_db_alloc(struct mlx5_core_dev *dev, struct mlx5_db *db);
void mlx5_db_free(struct mlx5_core_dev *dev, struct mlx5_db *db);
const char *mlx5_command_str(int command);
int mlx5_cmdif_debugfs_init(struct mlx5_core_dev *dev);
void mlx5_cmdif_debugfs_cleanup(struct mlx5_core_dev *dev);
int mlx5_core_create_psv(struct mlx5_core_dev *dev, u32 pdn,
int npsvs, u32 *sig_index);
int mlx5_core_destroy_psv(struct mlx5_core_dev *dev, int psv_num);
void mlx5_core_put_rsc(struct mlx5_core_rsc_common *common);
int mlx5_query_odp_caps(struct mlx5_core_dev *dev,
struct mlx5_odp_caps *odp_caps);
static inline u32 mlx5_mkey_to_idx(u32 mkey)
{
return mkey >> 8;
}
static inline u32 mlx5_idx_to_mkey(u32 mkey_idx)
{
return mkey_idx << 8;
}
static inline u8 mlx5_mkey_variant(u32 mkey)
{
return mkey & 0xff;
}
enum {
MLX5_PROF_MASK_QP_SIZE = (u64)1 << 0,
MLX5_PROF_MASK_MR_CACHE = (u64)1 << 1,
};
enum {
MAX_MR_CACHE_ENTRIES = 16,
};
enum {
MLX5_INTERFACE_PROTOCOL_IB = 0,
MLX5_INTERFACE_PROTOCOL_ETH = 1,
};
struct mlx5_interface {
void * (*add)(struct mlx5_core_dev *dev);
void (*remove)(struct mlx5_core_dev *dev, void *context);
void (*event)(struct mlx5_core_dev *dev, void *context,
enum mlx5_dev_event event, unsigned long param);
void * (*get_dev)(void *context);
int protocol;
struct list_head list;
};
void *mlx5_get_protocol_dev(struct mlx5_core_dev *mdev, int protocol);
int mlx5_register_interface(struct mlx5_interface *intf);
void mlx5_unregister_interface(struct mlx5_interface *intf);
struct mlx5_profile {
u64 mask;
u8 log_max_qp;
struct {
int size;
int limit;
} mr_cache[MAX_MR_CACHE_ENTRIES];
};
#endif /* MLX5_DRIVER_H */
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