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https://github.com/SerenityOS/serenity
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SPDX License Identifiers are a more compact / standardized way of representing file license information. See: https://spdx.dev/resources/use/#identifiers This was done with the `ambr` search and replace tool. ambr --no-parent-ignore --key-from-file --rep-from-file key.txt rep.txt *
55 lines
1.7 KiB
C++
55 lines
1.7 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/String.h>
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#include <AK/Vector.h>
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#include <Kernel/PCI/Definitions.h>
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namespace Kernel {
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class PCI::Access {
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public:
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void enumerate(Function<void(Address, ID)>&) const;
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void enumerate_bus(int type, u8 bus, Function<void(Address, ID)>&, bool recursive);
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void enumerate_functions(int type, u8 bus, u8 device, u8 function, Function<void(Address, ID)>& callback, bool recursive);
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void enumerate_device(int type, u8 bus, u8 device, Function<void(Address, ID)>& callback, bool recursive);
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static Access& the();
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static bool is_initialized();
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virtual uint32_t segment_count() const = 0;
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virtual uint8_t segment_start_bus(u32 segment) const = 0;
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virtual uint8_t segment_end_bus(u32 segment) const = 0;
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virtual const char* access_type() const = 0;
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virtual void write8_field(Address address, u32 field, u8 value) = 0;
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virtual void write16_field(Address address, u32 field, u16 value) = 0;
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virtual void write32_field(Address address, u32 field, u32 value) = 0;
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virtual u8 read8_field(Address address, u32 field) = 0;
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virtual u16 read16_field(Address address, u32 field) = 0;
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virtual u32 read32_field(Address address, u32 field) = 0;
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PhysicalID get_physical_id(Address address) const;
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protected:
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virtual void enumerate_hardware(Function<void(Address, ID)>) = 0;
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u8 early_read8_field(Address address, u32 field);
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u16 early_read16_field(Address address, u32 field);
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u32 early_read32_field(Address address, u32 field);
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u16 early_read_type(Address address);
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Access();
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virtual ~Access() = default;
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Vector<PhysicalID> m_physical_ids;
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};
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}
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