DragonOS/kernel/driver/disk/block_device.h
2022-03-25 16:45:52 +08:00

39 lines
676 B
C

#pragma once
#include "../../common/glib.h"
#include "stdint.h"
struct block_device_operation
{
long (*open)();
long (*close)();
long (*ioctl)(long cmd, long arg);
long (*transfer)(long cmd, ul LBA_start, ul count, uchar* buffer);
};
/**
* @brief 块设备请求队列内的packet
*
*/
struct block_device_request_packet
{
uchar cmd;
uint32_t LBA_start;
uint32_t count;
uchar *buffer;
void (*end_handler)(ul num, ul arg);
struct List list;
};
/**
* @brief 块设备的请求队列
*
*/
struct block_device_request_queue
{
struct List queue_list;
struct block_device_request_packet * entry;
ul request_count;
};