include/linux/mlx5/driver.h

Source file repositories/reference/linux-study-clean/include/linux/mlx5/driver.h

File Facts

System
Linux kernel
Corpus path
include/linux/mlx5/driver.h
Extension
.h
Size
38093 bytes
Lines
1399
Domain
Core OS
Bucket
Core Kernel Interface
Inferred role
Core OS: implementation source
Status
source implementation candidate

Why This File Exists

Core operating-system implementation surface: boot, tasks, memory, VFS, syscall-facing interfaces, synchronization, credentials, and isolation.

Dependency Surface

Detected Declarations

Annotated Snippet

struct mlx5_field_desc {
	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[];
};

enum mlx5_dev_event {
	MLX5_DEV_EVENT_SYS_ERROR = 128, /* 0 - 127 are FW events */
	MLX5_DEV_EVENT_PORT_AFFINITY = 129,
	MLX5_DEV_EVENT_MULTIPORT_ESW = 130,
};

enum mlx5_port_status {
	MLX5_PORT_UP        = 1,
	MLX5_PORT_DOWN      = 2,
};

enum mlx5_cmdif_state {
	MLX5_CMDIF_STATE_UNINITIALIZED,
	MLX5_CMDIF_STATE_UP,
	MLX5_CMDIF_STATE_DOWN,
};

struct mlx5_cmd_first {
	__be32		data[4];
};

struct mlx5_cmd_msg {
	struct list_head		list;
	struct cmd_msg_cache	       *parent;
	u32				len;
	struct mlx5_cmd_first		first;
	struct mlx5_cmd_mailbox	       *next;
};

struct mlx5_cmd_debug {
	struct dentry	       *dbg_root;
	void		       *in_msg;
	void		       *out_msg;
	u8			status;
	u16			inlen;
	u16			outlen;
};

struct cmd_msg_cache {
	/* protect block chain allocations
	 */
	spinlock_t		lock;
	struct list_head	head;
	unsigned int		max_inbox_size;
	unsigned int		num_ent;
};

enum {
	MLX5_NUM_COMMAND_CACHES = 5,
};

struct mlx5_cmd_stats {
	u64		sum;
	u64		n;
	/* number of times command failed */
	u64		failed;
	/* number of times command failed on bad status returned by FW */
	u64		failed_mbox_status;
	/* last command failed returned errno */
	u32		last_failed_errno;
	/* last bad status returned by FW */
	u8		last_failed_mbox_status;
	/* last command failed syndrome returned by FW */
	u32		last_failed_syndrome;
	struct dentry  *root;
	/* protect command average calculations */
	spinlock_t	lock;
};

struct mlx5_cmd {
	struct mlx5_nb    nb;

	/* members which needs to be queried or reinitialized each reload */
	struct {
		u16		cmdif_rev;
		u8		log_sz;
		u8		log_stride;
		int		max_reg_cmds;

Annotation

Implementation Notes