hal_ioblock.h File Reference

I/O block devices access. More...

Go to the source code of this file.

Data Structures
struct	BlockDeviceInfo
	Block device info. More...
struct	BaseBlockDeviceVMT
	BaseBlockDevice virtual methods table. More...
struct	BaseBlockDevice
	Base block device class. More...

Macros
#define	_base_block_device_methods
	BaseBlockDevice specific methods. More...
#define	_base_block_device_data
	BaseBlockDevice specific data. More...
Macro Functions (BaseBlockDevice)
#define	blkGetDriverState(ip)   ((ip)->state)
	Returns the driver state. More...
#define	blkIsTransferring(ip)
	Determines if the device is transferring data. More...
#define	blkIsInserted(ip)   ((ip)->vmt->is_inserted(ip))
	Returns the media insertion status. More...
#define	blkIsWriteProtected(ip)   ((ip)->vmt->is_protected(ip))
	Returns the media write protection status. More...
#define	blkConnect(ip)   ((ip)->vmt->connect(ip))
	Performs the initialization procedure on the block device. More...
#define	blkDisconnect(ip)   ((ip)->vmt->disconnect(ip))
	Terminates operations on the block device. More...
#define	blkRead(ip, startblk, buf, n)   ((ip)->vmt->read(ip, startblk, buf, n))
	Reads one or more blocks. More...
#define	blkWrite(ip, startblk, buf, n)   ((ip)->vmt->write(ip, startblk, buf, n))
	Writes one or more blocks. More...
#define	blkSync(ip)   ((ip)->vmt->sync(ip))
	Ensures write synchronization. More...
#define	blkGetInfo(ip, bdip)   ((ip)->vmt->get_info(ip, bdip))
	Returns a media information structure. More...

Enumerations

Detailed Description

I/O block devices access.

This header defines an abstract interface useful to access generic I/O block devices in a standardized way.

Definition in file hal_ioblock.h.