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Code Issues Releases Wiki Activity

磁盘请求在处理时，切换进程

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This commit is contained in:
fslongjin
2022-04-19 15:13:59 +08:00
parent 0e8bf69d65
commit 39dd802ff1
14 changed files with 257 additions and 206 deletions
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9
kernel/driver/disk/block_device.h
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@ -2,7 +2,9 @@
#include "../../common/glib.h"
#include "stdint.h"
#include <process/semaphore.h>
#define BLK_TYPE_AHCI 0
struct block_device_operation
{
long (*open)();
@ -22,11 +24,10 @@ struct block_device_request_packet
uint32_t count;
uint64_t buffer_vaddr;
uint8_t ahci_ctrl_num; // ahci控制器号， 默认应为0
uint8_t port_num; // ahci的设备端口号
uint8_t device_type; // 0: ahci
void (*end_handler)(ul num, ul arg);
struct List list;
wait_queue_node_t wait_queue;
};
/**
@ -35,7 +36,7 @@ struct block_device_request_packet
*/
struct block_device_request_queue
{
struct List queue_list;
wait_queue_node_t wait_queue_list;
struct block_device_request_packet * in_service; // 正在请求的结点
ul request_count;
};