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
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
|
/*
* Copyright (c) 2021, Liav A. <liavalb@hotmail.co.il>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#pragma once
#include <AK/OwnPtr.h>
#include <AK/RefPtr.h>
#include <AK/Types.h>
#include <Kernel/Storage/AHCI.h>
#include <Kernel/Storage/StorageController.h>
#include <Kernel/Storage/StorageDevice.h>
namespace Kernel {
class AsyncBlockDeviceRequest;
class AHCIPortHandler;
class AHCIPort;
class AHCIController final : public StorageController
, public PCI::DeviceController {
friend class AHCIPortHandler;
friend class AHCIPort;
AK_MAKE_ETERNAL
public:
public:
UNMAP_AFTER_INIT static NonnullRefPtr<AHCIController> initialize(PCI::Address address);
virtual ~AHCIController() override;
virtual RefPtr<StorageDevice> device(u32 index) const override;
virtual bool reset() override;
virtual bool shutdown() override;
virtual size_t devices_count() const override;
virtual void start_request(const StorageDevice&, AsyncBlockDeviceRequest&) override;
virtual void complete_current_request(AsyncDeviceRequest::RequestResult) override;
const AHCI::HBADefinedCapabilities& hba_capabilities() const { return m_capabilities; };
private:
void disable_global_interrupts() const;
void enable_global_interrupts() const;
UNMAP_AFTER_INIT explicit AHCIController(PCI::Address address);
UNMAP_AFTER_INIT void initialize();
AHCI::HBADefinedCapabilities capabilities() const;
RefPtr<StorageDevice> device_by_port(u32 index) const;
volatile AHCI::PortRegisters& port(size_t port_number) const;
NonnullOwnPtr<Region> hba_region() const;
volatile AHCI::HBA& hba() const;
NonnullOwnPtr<Region> m_hba_region;
AHCI::HBADefinedCapabilities m_capabilities;
NonnullRefPtrVector<AHCIPortHandler> m_handlers;
};
}
|
