1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
|
/*
* Copyright (c) 2020, Liav A. <liavalb@hotmail.co.il>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <Kernel/Devices/BlockDevice.h>
#include <Kernel/Interrupts/IRQHandler.h>
#include <Kernel/Mutex.h>
#include <Kernel/Storage/Partition/DiskPartition.h>
#include <Kernel/Storage/StorageController.h>
namespace Kernel {
class StorageDevice : public BlockDevice {
friend class StorageManagement;
AK_MAKE_ETERNAL
public:
virtual u64 max_addressable_block() const { return m_max_addressable_block; }
NonnullRefPtr<StorageController> controller() const;
// ^BlockDevice
virtual KResultOr<size_t> read(FileDescription&, u64, UserOrKernelBuffer&, size_t) override;
virtual bool can_read(const FileDescription&, size_t) const override;
virtual KResultOr<size_t> write(FileDescription&, u64, const UserOrKernelBuffer&, size_t) override;
virtual bool can_write(const FileDescription&, size_t) const override;
// ^Device
virtual mode_t required_mode() const override { return 0600; }
protected:
StorageDevice(const StorageController&, size_t, u64);
StorageDevice(const StorageController&, int, int, size_t, u64);
// ^DiskDevice
virtual StringView class_name() const override;
private:
NonnullRefPtr<StorageController> m_storage_controller;
NonnullRefPtrVector<DiskPartition> m_partitions;
u64 m_max_addressable_block;
};
}
|