mirror of
https://github.com/RGBCube/serenity
synced 2025-05-18 16:35:06 +00:00
35 lines
1.3 KiB
C++
35 lines
1.3 KiB
C++
/*
|
|
* Copyright (c) 2022, Liav A. <liavalb@hotmail.co.il>
|
|
*
|
|
* SPDX-License-Identifier: BSD-2-Clause
|
|
*/
|
|
|
|
#pragma once
|
|
|
|
#include <AK/Bitmap.h>
|
|
#include <AK/Vector.h>
|
|
#include <Kernel/Bus/PCI/Controller/MemoryBackedHostBridge.h>
|
|
#include <Kernel/Locking/Spinlock.h>
|
|
|
|
namespace Kernel::PCI {
|
|
|
|
class VolumeManagementDevice final : public MemoryBackedHostBridge {
|
|
public:
|
|
static NonnullOwnPtr<VolumeManagementDevice> must_create(PCI::DeviceIdentifier const& device_identifier);
|
|
|
|
private:
|
|
VolumeManagementDevice(PCI::Domain const&, PhysicalAddress);
|
|
|
|
virtual void write8_field(BusNumber, DeviceNumber, FunctionNumber, u32 field, u8 value) override;
|
|
virtual void write16_field(BusNumber, DeviceNumber, FunctionNumber, u32 field, u16 value) override;
|
|
virtual void write32_field(BusNumber, DeviceNumber, FunctionNumber, u32 field, u32 value) override;
|
|
virtual u8 read8_field(BusNumber, DeviceNumber, FunctionNumber, u32 field) override;
|
|
virtual u16 read16_field(BusNumber, DeviceNumber, FunctionNumber, u32 field) override;
|
|
virtual u32 read32_field(BusNumber, DeviceNumber, FunctionNumber, u32 field) override;
|
|
|
|
// Note: All read and writes must be done with a spinlock because
|
|
// Linux says that CPU might deadlock otherwise if access is not serialized.
|
|
Spinlock m_config_lock;
|
|
};
|
|
|
|
}
|