include/uapi/linux/nbd-netlink.h

Source file repositories/reference/linux-study-clean/include/uapi/linux/nbd-netlink.h

File Facts

System
Linux kernel
Corpus path
include/uapi/linux/nbd-netlink.h
Extension
.h
Size
2423 bytes
Lines
101
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

#ifndef _UAPILINUX_NBD_NETLINK_H
#define _UAPILINUX_NBD_NETLINK_H

#define NBD_GENL_FAMILY_NAME		"nbd"
#define NBD_GENL_VERSION		0x1
#define NBD_GENL_MCAST_GROUP_NAME	"nbd_mc_group"

/* Configuration policy attributes, used for CONNECT */
enum {
	NBD_ATTR_UNSPEC,
	NBD_ATTR_INDEX,
	NBD_ATTR_SIZE_BYTES,
	NBD_ATTR_BLOCK_SIZE_BYTES,
	NBD_ATTR_TIMEOUT,
	NBD_ATTR_SERVER_FLAGS,
	NBD_ATTR_CLIENT_FLAGS,
	NBD_ATTR_SOCKETS,
	NBD_ATTR_DEAD_CONN_TIMEOUT,
	NBD_ATTR_DEVICE_LIST,
	NBD_ATTR_BACKEND_IDENTIFIER,
	__NBD_ATTR_MAX,
};
#define NBD_ATTR_MAX (__NBD_ATTR_MAX - 1)

/*
 * This is the format for multiple devices with NBD_ATTR_DEVICE_LIST
 *
 * [NBD_ATTR_DEVICE_LIST]
 *   [NBD_DEVICE_ITEM]
 *     [NBD_DEVICE_INDEX]
 *     [NBD_DEVICE_CONNECTED]
 */
enum {
	NBD_DEVICE_ITEM_UNSPEC,
	NBD_DEVICE_ITEM,
	__NBD_DEVICE_ITEM_MAX,
};
#define NBD_DEVICE_ITEM_MAX (__NBD_DEVICE_ITEM_MAX - 1)

enum {
	NBD_DEVICE_UNSPEC,
	NBD_DEVICE_INDEX,
	NBD_DEVICE_CONNECTED,
	__NBD_DEVICE_MAX,
};
#define NBD_DEVICE_ATTR_MAX (__NBD_DEVICE_MAX - 1)

/*
 * This is the format for multiple sockets with NBD_ATTR_SOCKETS
 *
 * [NBD_ATTR_SOCKETS]
 *   [NBD_SOCK_ITEM]
 *     [NBD_SOCK_FD]
 *   [NBD_SOCK_ITEM]
 *     [NBD_SOCK_FD]
 */
enum {
	NBD_SOCK_ITEM_UNSPEC,
	NBD_SOCK_ITEM,
	__NBD_SOCK_ITEM_MAX,
};
#define NBD_SOCK_ITEM_MAX (__NBD_SOCK_ITEM_MAX - 1)

enum {
	NBD_SOCK_UNSPEC,
	NBD_SOCK_FD,
	__NBD_SOCK_MAX,
};
#define NBD_SOCK_MAX (__NBD_SOCK_MAX - 1)

enum {
	NBD_CMD_UNSPEC,
	NBD_CMD_CONNECT,
	NBD_CMD_DISCONNECT,
	NBD_CMD_RECONFIGURE,
	NBD_CMD_LINK_DEAD,
	NBD_CMD_STATUS,
	__NBD_CMD_MAX,
};
#define NBD_CMD_MAX	(__NBD_CMD_MAX - 1)

#endif /* _UAPILINUX_NBD_NETLINK_H */

Annotation

Implementation Notes