mirror of
https://github.com/RGBCube/serenity
synced 2025-05-18 10:55:07 +00:00
46 lines
1.3 KiB
C++
46 lines
1.3 KiB
C++
/*
|
|
* Copyright (c) 2021, Liav A. <liavalb@hotmail.co.il>
|
|
*
|
|
* SPDX-License-Identifier: BSD-2-Clause
|
|
*/
|
|
|
|
#pragma once
|
|
|
|
#include <Kernel/Interrupts/IRQHandler.h>
|
|
#include <Kernel/Locking/Mutex.h>
|
|
#include <Kernel/Storage/ATA/ATAController.h>
|
|
#include <Kernel/Storage/StorageDevice.h>
|
|
|
|
namespace Kernel {
|
|
|
|
class ATADevice : public StorageDevice {
|
|
public:
|
|
// Note: For IDE drives, port means Primary or Secondary (0 or 1),
|
|
// and subport means Master or Slave (0 or 1).
|
|
// For SATA drives (AHCI driven HBAs), a port can be a number from 0 to 31,
|
|
// and subport can be a number from 0 to 14 (only 15 devices are allowed to
|
|
// be connected to one SATA port multiplier).
|
|
struct Address {
|
|
// FIXME: u32 for this value is wasteful, because even AHCI only support 32 ports
|
|
u32 port;
|
|
u8 subport;
|
|
};
|
|
|
|
public:
|
|
virtual ~ATADevice() override;
|
|
|
|
// ^BlockDevice
|
|
virtual void start_request(AsyncBlockDeviceRequest&) override;
|
|
|
|
u16 ata_capabilites() const { return m_capabilities; }
|
|
Address const& ata_address() const { return m_ata_address; }
|
|
|
|
protected:
|
|
ATADevice(ATAController const&, Address, MinorNumber, u16, u16, u64, NonnullOwnPtr<KString>);
|
|
|
|
WeakPtr<ATAController> m_controller;
|
|
const Address m_ata_address;
|
|
const u16 m_capabilities;
|
|
};
|
|
|
|
}
|