ladybird/Kernel/Bus/PCI/API.h
Liav A a7677f1d9b Kernel/PCI: Expose PCI option ROM data from the sysfs interface
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.
2023-01-26 23:04:26 +01:00

51 lines
2.0 KiB
C++

/*
* Copyright (c) 2021, Liav A. <liavalb@hotmail.co.il>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <AK/Error.h>
#include <AK/Try.h>
#include <Kernel/Bus/PCI/Definitions.h>
namespace Kernel::PCI {
void write8_locked(DeviceIdentifier const&, PCI::RegisterOffset field, u8 value);
void write16_locked(DeviceIdentifier const&, PCI::RegisterOffset field, u16 value);
void write32_locked(DeviceIdentifier const&, PCI::RegisterOffset field, u32 value);
u8 read8_locked(DeviceIdentifier const&, PCI::RegisterOffset field);
u16 read16_locked(DeviceIdentifier const&, PCI::RegisterOffset field);
u32 read32_locked(DeviceIdentifier const&, PCI::RegisterOffset field);
HardwareID get_hardware_id(DeviceIdentifier const&);
bool is_io_space_enabled(DeviceIdentifier const&);
ErrorOr<void> enumerate(Function<void(DeviceIdentifier const&)> callback);
void enable_interrupt_line(DeviceIdentifier const&);
void disable_interrupt_line(DeviceIdentifier const&);
void raw_access(DeviceIdentifier const&, u32, size_t, u32);
u32 get_BAR0(DeviceIdentifier const&);
u32 get_BAR1(DeviceIdentifier const&);
u32 get_BAR2(DeviceIdentifier const&);
u32 get_BAR3(DeviceIdentifier const&);
u32 get_BAR4(DeviceIdentifier const&);
u32 get_BAR5(DeviceIdentifier const&);
u32 get_BAR(DeviceIdentifier const&, HeaderType0BaseRegister);
size_t get_BAR_space_size(DeviceIdentifier const&, HeaderType0BaseRegister);
BARSpaceType get_BAR_space_type(u32 pci_bar_value);
size_t get_expansion_rom_space_size(DeviceIdentifier const&);
void enable_bus_mastering(DeviceIdentifier const&);
void disable_bus_mastering(DeviceIdentifier const&);
void enable_io_space(DeviceIdentifier const&);
void disable_io_space(DeviceIdentifier const&);
void enable_memory_space(DeviceIdentifier const&);
void disable_memory_space(DeviceIdentifier const&);
// FIXME: Remove this once we can use PCI::Capability with inline buffer
// so we don't need this method
DeviceIdentifier const& get_device_identifier(Address address);
}