Disk Driver Interface

Disk Driver Interface. More...

Data Structures
struct	disk_info
	Disk info. More...
struct	disk_operations
	Disk operations. More...

Macros
#define	DISK_IOCTL_GET_SECTOR_COUNT   1
	Possible Cmd Codes for disk_ioctl() More...
#define	DISK_IOCTL_GET_SECTOR_SIZE   2
#define	DISK_IOCTL_RESERVED   3
#define	DISK_IOCTL_GET_ERASE_BLOCK_SZ   4
#define	DISK_IOCTL_CTRL_SYNC   5
#define	DISK_STATUS_OK   0x00
	Possible return bitmasks for disk_status() More...
#define	DISK_STATUS_UNINIT   0x01
#define	DISK_STATUS_NOMEDIA   0x02
#define	DISK_STATUS_WR_PROTECT   0x04

Functions
int	disk_access_register (struct disk_info *disk)
	Register disk. More...
int	disk_access_unregister (struct disk_info *disk)
	Unregister disk. More...

Detailed Description

Disk Driver Interface.

Macro Definition Documentation

DISK_IOCTL_CTRL_SYNC

#define DISK_IOCTL_CTRL_SYNC   5

#include <include/drivers/disk.h>

Commit any cached read/writes to disk

DISK_IOCTL_GET_ERASE_BLOCK_SZ

#define DISK_IOCTL_GET_ERASE_BLOCK_SZ   4

#include <include/drivers/disk.h>

How many sectors constitute a FLASH Erase block

DISK_IOCTL_GET_SECTOR_COUNT

#define DISK_IOCTL_GET_SECTOR_COUNT   1

#include <include/drivers/disk.h>

Possible Cmd Codes for disk_ioctl()

Get the number of sectors in the disk

DISK_IOCTL_GET_SECTOR_SIZE

#define DISK_IOCTL_GET_SECTOR_SIZE   2

#include <include/drivers/disk.h>

Get the size of a disk SECTOR in bytes

DISK_IOCTL_RESERVED

#define DISK_IOCTL_RESERVED   3

#include <include/drivers/disk.h>

reserved. It used to be DISK_IOCTL_GET_DISK_SIZE

DISK_STATUS_NOMEDIA

#define DISK_STATUS_NOMEDIA   0x02

#include <include/drivers/disk.h>

Disk status no media

DISK_STATUS_OK

#define DISK_STATUS_OK   0x00

#include <include/drivers/disk.h>

Possible return bitmasks for disk_status()

Disk status okay

DISK_STATUS_UNINIT

#define DISK_STATUS_UNINIT   0x01

#include <include/drivers/disk.h>

Disk status uninitialized

DISK_STATUS_WR_PROTECT

#define DISK_STATUS_WR_PROTECT   0x04

#include <include/drivers/disk.h>

Disk status write protected

Function Documentation

disk_access_register()

int disk_access_register

(

struct disk_info *

disk

)

#include <include/drivers/disk.h>

Register disk.

Parameters

[in]

disk

Pointer to the disk info structure

Returns

0 on success, negative errno code on fail

disk_access_unregister()

int disk_access_unregister

(

struct disk_info *

disk

)

#include <include/drivers/disk.h>

Unregister disk.

Parameters

[in]

disk

Pointer to the disk info structure

Returns

0 on success, negative errno code on fail