mirror of
https://github.com/DragonOS-Community/DragonOS.git
synced 2025-06-09 15:26:47 +00:00
42 lines
863 B
C
42 lines
863 B
C
#pragma once
|
|
|
|
#include "../../common/glib.h"
|
|
#include "stdint.h"
|
|
#include <process/semaphore.h>
|
|
|
|
#define BLK_TYPE_AHCI 0
|
|
struct block_device_operation
|
|
{
|
|
long (*open)();
|
|
long (*close)();
|
|
long (*ioctl)(long cmd, long arg);
|
|
long (*transfer)(long cmd, ul LBA_start, ul count, uint64_t buffer, uint8_t arg0, uint8_t arg1);
|
|
};
|
|
|
|
/**
|
|
* @brief 块设备请求队列内的packet
|
|
*
|
|
*/
|
|
struct block_device_request_packet
|
|
{
|
|
uchar cmd;
|
|
uint64_t LBA_start;
|
|
uint32_t count;
|
|
uint64_t buffer_vaddr;
|
|
|
|
uint8_t device_type; // 0: ahci
|
|
void (*end_handler)(ul num, ul arg);
|
|
|
|
wait_queue_node_t wait_queue;
|
|
};
|
|
|
|
/**
|
|
* @brief 块设备的请求队列
|
|
*
|
|
*/
|
|
struct block_device_request_queue
|
|
{
|
|
wait_queue_node_t wait_queue_list;
|
|
struct block_device_request_packet * in_service; // 正在请求的结点
|
|
ul request_count;
|
|
}; |