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a7677f1d9b
For each exposed PCI device in sysfs, there's a new node called "rom" and by reading it, it exposes the raw data of a PCI option ROM blob to a user for examining the blob.
51 lines
2.0 KiB
C++
51 lines
2.0 KiB
C++
/*
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* Copyright (c) 2021, 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/Error.h>
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#include <AK/Try.h>
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#include <Kernel/Bus/PCI/Definitions.h>
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namespace Kernel::PCI {
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void write8_locked(DeviceIdentifier const&, PCI::RegisterOffset field, u8 value);
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void write16_locked(DeviceIdentifier const&, PCI::RegisterOffset field, u16 value);
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void write32_locked(DeviceIdentifier const&, PCI::RegisterOffset field, u32 value);
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u8 read8_locked(DeviceIdentifier const&, PCI::RegisterOffset field);
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u16 read16_locked(DeviceIdentifier const&, PCI::RegisterOffset field);
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u32 read32_locked(DeviceIdentifier const&, PCI::RegisterOffset field);
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HardwareID get_hardware_id(DeviceIdentifier const&);
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bool is_io_space_enabled(DeviceIdentifier const&);
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ErrorOr<void> enumerate(Function<void(DeviceIdentifier const&)> callback);
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void enable_interrupt_line(DeviceIdentifier const&);
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void disable_interrupt_line(DeviceIdentifier const&);
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void raw_access(DeviceIdentifier const&, u32, size_t, u32);
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u32 get_BAR0(DeviceIdentifier const&);
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u32 get_BAR1(DeviceIdentifier const&);
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u32 get_BAR2(DeviceIdentifier const&);
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u32 get_BAR3(DeviceIdentifier const&);
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u32 get_BAR4(DeviceIdentifier const&);
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u32 get_BAR5(DeviceIdentifier const&);
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u32 get_BAR(DeviceIdentifier const&, HeaderType0BaseRegister);
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size_t get_BAR_space_size(DeviceIdentifier const&, HeaderType0BaseRegister);
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BARSpaceType get_BAR_space_type(u32 pci_bar_value);
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size_t get_expansion_rom_space_size(DeviceIdentifier const&);
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void enable_bus_mastering(DeviceIdentifier const&);
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void disable_bus_mastering(DeviceIdentifier const&);
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void enable_io_space(DeviceIdentifier const&);
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void disable_io_space(DeviceIdentifier const&);
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void enable_memory_space(DeviceIdentifier const&);
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void disable_memory_space(DeviceIdentifier const&);
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// FIXME: Remove this once we can use PCI::Capability with inline buffer
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// so we don't need this method
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DeviceIdentifier const& get_device_identifier(Address address);
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}
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