harddisk_ata.c File Reference

#include "harddisk_ata.h"

Functions
uint64_t	__harddisk_ata_get_user_addressable_sectors (const harddisk_identify_device_data *data)
	Get user addressable sectors of hard disk. More...
uint64_t	__harddisk_ata_get_disk_space (const harddisk_identify_device_data *data)
	Get space of hard disk. More...
int8_t	__harddisk_ata_read_sector (HARDDISK_ATA_MASTER_SLAVE type, HARDDISK_ATA_BUS_TYPE bus, uint32_t high_lba, uint32_t low_lba, uint16_t *buffer)
	Reads hard disk sector. More...
int8_t	__harddisk_ata_write_sector (HARDDISK_ATA_MASTER_SLAVE type, HARDDISK_ATA_BUS_TYPE bus, uint32_t high_lba, uint32_t low_lba, uint16_t *buffer)
	Write hard disk sector. More...
int8_t	__harddisk_ata_poll (uint16_t port)
	Doing pooling. More...

Function Documentation

__harddisk_ata_get_disk_space()

uint64_t __harddisk_ata_get_disk_space

(

const harddisk_identify_device_data *

data

)

Get space of hard disk.

Parameters

data	Pointer to identify data of device.

Returns

Space in bytes.

__harddisk_ata_get_user_addressable_sectors()

uint64_t __harddisk_ata_get_user_addressable_sectors

(

const harddisk_identify_device_data *

data

)

Get user addressable sectors of hard disk.

Parameters

data	Pointer to identify data of device.

Returns

Number of user addressable sectors.

__harddisk_ata_poll()

int8_t __harddisk_ata_poll

(

uint16_t

port

)

Doing pooling.

Check if disk is ready.

Parameters

port	Port for do delay.

Returns

1 if ready, -1 if error

__harddisk_ata_read_sector()

int8_t __harddisk_ata_read_sector	(	HARDDISK_ATA_MASTER_SLAVE	type,
		HARDDISK_ATA_BUS_TYPE	bus,
		uint32_t	high_lba,
		uint32_t	low_lba,
		uint16_t *	buffer
	)

Reads hard disk sector.

Parameters

type	Type of harddisk.
bus	Type of bus.
high_lba	Higher bits of lba (24 bits are used).
low_lba	Lower bits of lba (24 bits are used).
buffer	Buffer of 256 16-bits values for store data.

Returns

1 = success, -1 = disk error, -2 = parameter error.

__harddisk_ata_write_sector()

int8_t __harddisk_ata_write_sector	(	HARDDISK_ATA_MASTER_SLAVE	type,
		HARDDISK_ATA_BUS_TYPE	bus,
		uint32_t	high_lba,
		uint32_t	low_lba,
		uint16_t *	buffer
	)

Write hard disk sector.

Parameters

type	Type of harddisk.
bus	Type of bus.
high_lba	Higher bits of lba (24 bits are used).
low_lba	Lower bits of lba (24 bits are used).
buffer	Buffer of 256 16-bits values for store data.

Returns

1 = success, -1 = disk error, -2 = parameter error.