mirror of
https://github.com/RGBCube/serenity
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d1e88a5141
These used to signal an error with a boolean return type. We now return a sensible errno instead.
48 lines
1.2 KiB
C++
48 lines
1.2 KiB
C++
/*
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* Copyright (c) 2020, Liav A. <liavalb@hotmail.co.il>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#pragma once
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#include <AK/OwnPtr.h>
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#include <Kernel/Bus/PCI/Access.h>
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#include <Kernel/Bus/PCI/Device.h>
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#include <Kernel/Devices/Device.h>
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#include <Kernel/Library/LockRefPtr.h>
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#include <Kernel/Locking/Mutex.h>
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#include <Kernel/Memory/PhysicalPage.h>
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#include <Kernel/PhysicalAddress.h>
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#include <Kernel/Random.h>
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#include <Kernel/WaitQueue.h>
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namespace Kernel {
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class AsyncBlockDeviceRequest;
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class StorageDevice;
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class StorageController : public AtomicRefCounted<StorageController> {
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public:
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virtual ~StorageController() = default;
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virtual LockRefPtr<StorageDevice> device(u32 index) const = 0;
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virtual size_t devices_count() const = 0;
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u32 controller_id() const { return m_controller_id; }
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u32 hardware_relative_controller_id() const { return m_hardware_relative_controller_id; }
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protected:
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virtual ErrorOr<void> reset() = 0;
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virtual ErrorOr<void> shutdown() = 0;
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virtual void complete_current_request(AsyncDeviceRequest::RequestResult) = 0;
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explicit StorageController(u32 hardware_relative_controller_id);
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private:
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u32 const m_controller_id { 0 };
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u32 const m_hardware_relative_controller_id { 0 };
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};
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}
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