From 2f3f8868ae60aaa0eaeee162d5f89c774bebad62 Mon Sep 17 00:00:00 2001
From: fslongjin <fslongjin@vip.qq.com>
Date: Fri, 25 Mar 2022 16:45:52 +0800
Subject: [PATCH] =?UTF-8?q?:new:=20=E5=9D=97=E8=AE=BE=E5=A4=87=E9=A9=B1?=
 =?UTF-8?q?=E5=8A=A8=E7=9A=84=E4=B8=80=E4=BA=9B=E6=95=B0=E6=8D=AE=E7=BB=93?=
 =?UTF-8?q?=E6=9E=84?=
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---
 kernel/driver/disk/block_device.h | 39 +++++++++++++++++++++++++++++++
 1 file changed, 39 insertions(+)
 create mode 100644 kernel/driver/disk/block_device.h

diff --git a/kernel/driver/disk/block_device.h b/kernel/driver/disk/block_device.h
new file mode 100644
index 00000000..157c8083
--- /dev/null
+++ b/kernel/driver/disk/block_device.h
@@ -0,0 +1,39 @@
+#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;
+};
\ No newline at end of file