Disk device drivers

Topics
	SD/MMC

Files
file	disk.h
	Header file defining the disk device driver API.

Data Structures
struct	disk_driver
	Disk driver API structure. More...

Enumerations
enum	disk_status_t { DISK_STATUS_INIT = 0x01 , DISK_STATUS_DISK = 0x02 , DISK_STATUS_WRITABLE = 0x04 , DISK_STATUS_ERROR = 0x08 }
	Disk status flags. More...
enum	disk_ioctl_t {   DISK_IOCTL_CTRL_SYNC , DISK_IOCTL_GET_SECTOR_COUNT , DISK_IOCTL_GET_SECTOR_SIZE , DISK_IOCTL_GET_BLOCK_SIZE ,   DISK_IOCTL_CTRL_TRIM }
	Generic disk I/O control commands. More...
enum	disk_result_t {   DISK_RESULT_OK , DISK_RESULT_IO_ERROR , DISK_RESULT_WR_PROTECTED , DISK_RESULT_NO_INIT ,   DISK_RESULT_INVALID_ARG }
	Disk access result codes. More...

Detailed Description

Documentation for all the disk device drivers.

Enumeration Type Documentation

disk_ioctl_t

enum disk_ioctl_t

Generic disk I/O control commands.

Enumerator
DISK_IOCTL_CTRL_SYNC	Synchronize the cached writes to persistent storage.
DISK_IOCTL_GET_SECTOR_COUNT	Get the sector count through the uint32_t pointed to by buff.
DISK_IOCTL_GET_SECTOR_SIZE	Get the sector size through the uint16_t pointed to by buff.
DISK_IOCTL_GET_BLOCK_SIZE	Get the erase block size (in sectors) through the uint32_t pointed to by buff.
DISK_IOCTL_CTRL_TRIM	Trim the sector range within the uint32_t boundaries pointed to by buff.

Definition at line 57 of file disk.h.

disk_result_t

enum disk_result_t

Disk access result codes.

Enumerator
DISK_RESULT_OK	Success.
DISK_RESULT_IO_ERROR	Unrecoverable I/O error.
DISK_RESULT_WR_PROTECTED	Write-protected medium.
DISK_RESULT_NO_INIT	Device not initialized.
DISK_RESULT_INVALID_ARG	Invalid argument.

Definition at line 66 of file disk.h.

disk_status_t

enum disk_status_t

Disk status flags.

Enumerator
DISK_STATUS_INIT	Device initialized and ready to work.
DISK_STATUS_DISK	Medium present in the drive.
DISK_STATUS_WRITABLE	Writable medium.
DISK_STATUS_ERROR	Device error.

Definition at line 49 of file disk.h.