types.h File Reference

DROPS Block Device Driver Interface, API types. More...

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Data Structures
struct	l4blk_sg_phys_elem
struct	l4blk_sg_ds_elem
struct	l4blk_blk_request
struct	l4blk_request
struct	l4blk_disk_geometry
struct	l4blk_disk_period
Defines
#define	L4BLK_REQUEST_READ   0x00000001
#define	L4BLK_REQUEST_WRITE   0x00000002
#define	L4BLK_BLKSIZE   1024
	blocksize
#define	L4BLK_REQUEST_METADATA   0x00000001
#define	L4BLK_SG_PHYS   0x00000001
#define	L4BLK_SG_DS   0x00000002
#define	L4BLK_UNPROCESSED   0x00000000
#define	L4BLK_DONE   0x00000001
#define	L4BLK_ERROR   0x00000002
#define	L4BLK_SKIPPED   0x00000003
#define	L4BLK_INVALID_DRIVER   (-1)
	invalid driver handle
#define	L4BLK_INVALID_STREAM   (-1)
#define	L4BLK_CTRL_NUM_DISKS   0x00000001
#define	L4BLK_CTRL_DISK_SIZE   0x00000002
#define	L4BLK_CTRL_DISK_GEOM   0x00000003
#define	L4BLK_CTRL_RREAD_PART   0x00000004
#define	L4BLK_CTRL_MAX_SG_LEN   0x00000005
#define	L4BLK_CTRL_STREAM_PERIOD   0x00000006
#define	L4BLK_CTRL_DRV_IRQ   0x00008000
Typedefs
typedef l4_uint32_t	l4blk_driver_id_t
typedef l4_uint32_t	l4blk_driver_t
typedef L4_CV void(*	l4blk_setup_notify_callback_fn_t )(void)
typedef l4_uint32_t	l4blk_stream_t
typedef struct l4blk_request	l4blk_request_t
typedef L4_CV void(*	l4blk_callback_fn_t )(l4blk_request_t *request, int status, int error)
typedef struct l4blk_sg_phys_elem	l4blk_sg_phys_elem_t
typedef struct l4blk_sg_ds_elem	l4blk_sg_ds_elem_t
typedef struct l4blk_blk_request	l4blk_blk_request_t
typedef struct l4blk_disk_geometry	l4blk_disk_geometry_t
typedef struct l4blk_disk_period	l4blk_disk_period_t

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Detailed Description

DROPS Block Device Driver Interface, API types.

Date:

08/30/2003

Author:

Lars Reuther <reuther@os.inf.tu-dresden.de>

Definition in file types.h.

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Define Documentation

#define L4BLK_BLKSIZE   1024

blocksize

Definition at line 165 of file types.h.

#define L4BLK_SG_PHYS   0x00000001

l4blk_sg_phys_elem_t, the scatter-gather list contains the phys. addresses of the buffers

Definition at line 173 of file types.h.

#define L4BLK_SG_DS   0x00000002

l4blk_sg_ds_elem_t, the scatter-gather list contains dataspace regions which describe the buffers

Definition at line 178 of file types.h.

#define L4BLK_INVALID_DRIVER   (-1)

invalid driver handle

Definition at line 198 of file types.h.