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1596ee241f
The simple PCI::HostBridge class implements access to the PCI configuration space by using x86 IO instructions. Therefore, it should be put in the Arch/x86/PCI directory so it can be easily omitted for non-x86 builds.
34 lines
1.1 KiB
C++
34 lines
1.1 KiB
C++
/*
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* Copyright (c) 2022, 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/Bitmap.h>
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#include <AK/NonnullOwnPtr.h>
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#include <AK/OwnPtr.h>
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#include <AK/Vector.h>
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#include <Kernel/Bus/PCI/Controller/HostController.h>
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#include <Kernel/Locking/Spinlock.h>
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namespace Kernel::PCI {
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class HostBridge : public HostController {
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public:
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static NonnullOwnPtr<HostBridge> must_create_with_io_access();
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virtual void write8_field(BusNumber, DeviceNumber, FunctionNumber, u32 field, u8 value) override;
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virtual void write16_field(BusNumber, DeviceNumber, FunctionNumber, u32 field, u16 value) override;
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virtual void write32_field(BusNumber, DeviceNumber, FunctionNumber, u32 field, u32 value) override;
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virtual u8 read8_field(BusNumber, DeviceNumber, FunctionNumber, u32 field) override;
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virtual u16 read16_field(BusNumber, DeviceNumber, FunctionNumber, u32 field) override;
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virtual u32 read32_field(BusNumber, DeviceNumber, FunctionNumber, u32 field) override;
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private:
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explicit HostBridge(PCI::Domain const&);
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};
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}
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