new: 增加block_device和gendisk抽象

kernel/driver/disk/ahci/ahci.h

@@ -1,6 +1,6 @@
 #pragma once
 
-#include <driver/disk/block_device.h>
+#include <common/blk_types.h>
 #include <driver/pci/pci.h>
 #include <mm/mm.h>
 

kernel/driver/disk/block_device.h

@@ -1,42 +0,0 @@
-#pragma once
-
-#include <common/glib.h>
-#include "stdint.h"
-#include <common/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;
-};