devfs.h File Reference

#include <types.h>
#include <irx.h>

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Data Structures
union	devfs_loc_t
struct	devfs_info_t
struct	devfs_node_t

Macros
#define	DEVFS_MAX_SUBDEVS   16
#define	DEVFS_MAX_DEVNAME_LENGTH   32
#define	DEVFS_MAX_DESC_LENGTH   256
#define	DEVFS_IOCTL_TYPE_1   1
#define	DEVFS_IOCTL_TYPE_2   2
#define	DEVFS_IOCTL_GETDESC   0
#define	INVALID_HDEV   -1
#define	devfs_IMPORTS_start   DECLARE_IMPORT_TABLE(devfs, 1, 1)
#define	devfs_IMPORTS_end   END_IMPORT_TABLE
#define	I_DevFSAddDevice   DECLARE_IMPORT(4, DevFSAddDevice)
#define	I_DevFSDelDevice   DECLARE_IMPORT(5, DevFSDelDevice)
#define	I_DevFSAddSubDevice   DECLARE_IMPORT(6, DevFSAddSubDevice)
#define	I_DevFSDelSubDevice   DECLARE_IMPORT(7, DevFSDelSubDevice)

Typedefs
typedef s32	HDEV
typedef s32(*	read_handler) (const devfs_info_t *dev, u8 *buf, s32 len)
typedef s32(*	write_handler) (const devfs_info_t *dev, u8 *buf, s32 len)
typedef s32(*	ioctl_handler) (const devfs_info_t *dev, int ioctl_type, int cmd, void *arg, size_t arglen, void *buf, size_t buflen)

Enumerations
enum	devfs_subdev_modes { DEVFS_MODE_EX = (1 << 0) , DEVFS_MODE_W = (1 << 1) , DEVFS_MODE_R = (1 << 2) , DEVFS_MODE_RW = (DEVFS_MODE_R | DEVFS_MODE_W) }
enum	devfs_devtypes { DEVFS_DEVTYPE_CHAR = 1 , DEVFS_DEVTYPE_BLOCK = 2 , DEVFS_DEVTYPE_STREAM = 3 }

Functions
HDEV	DevFSAddDevice (const devfs_node_t *node)
int	DevFSDelDevice (HDEV hDev)
int	DevFSAddSubDevice (HDEV hDev, u32 subdev_no, s32 mode, devfs_loc_t extent, void *data)
int	DevFSDelSubDevice (HDEV hDev, u32 subdev_no)

Detailed Description

DevFS header file

Definition in file devfs.h.