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serenity/Kernel/Bus/PCI/Access.h
Steffen Rusitschka 7725042235 Kernel: Fix includes when building aarch64
This patch fixes some include problems on aarch64. aarch64 is still
currently broken but this will get us back to the underlying problem
of FloatExtractor.
2022-11-18 16:25:33 -08:00

66 lines
2.1 KiB
C++

/*
* Copyright (c) 2020, Liav A. <liavalb@hotmail.co.il>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <AK/Bitmap.h>
#include <AK/HashMap.h>
#include <AK/NonnullOwnPtr.h>
#include <AK/Try.h>
#include <AK/Vector.h>
#include <Kernel/Bus/PCI/Controller/HostController.h>
#include <Kernel/Bus/PCI/Definitions.h>
#include <Kernel/Locking/Spinlock.h>
namespace Kernel::PCI {
class Access {
public:
static bool initialize_for_multiple_pci_domains(PhysicalAddress mcfg_table);
#if ARCH(I386) || ARCH(X86_64)
static bool initialize_for_one_pci_domain();
#endif
ErrorOr<void> fast_enumerate(Function<void(DeviceIdentifier const&)>&) const;
void rescan_hardware();
static Access& the();
static bool is_initialized();
static bool is_disabled();
static bool is_hardware_disabled();
void write8_field(Address address, u32 field, u8 value);
void write16_field(Address address, u32 field, u16 value);
void write32_field(Address address, u32 field, u32 value);
u8 read8_field(Address address, u32 field);
u16 read16_field(Address address, u32 field);
u32 read32_field(Address address, u32 field);
DeviceIdentifier get_device_identifier(Address address) const;
Spinlock const& scan_lock() const { return m_scan_lock; }
RecursiveSpinlock const& access_lock() const { return m_access_lock; }
ErrorOr<void> add_host_controller_and_enumerate_attached_devices(NonnullOwnPtr<HostController>, Function<void(DeviceIdentifier const&)> callback);
private:
u8 read8_field(Address address, RegisterOffset field);
u16 read16_field(Address address, RegisterOffset field);
void add_host_controller(NonnullOwnPtr<HostController>);
bool find_and_register_pci_host_bridges_from_acpi_mcfg_table(PhysicalAddress mcfg);
Access();
Vector<Capability> get_capabilities(Address);
Optional<u8> get_capabilities_pointer(Address address);
mutable RecursiveSpinlock m_access_lock { LockRank::None };
mutable Spinlock m_scan_lock { LockRank::None };
HashMap<u32, NonnullOwnPtr<PCI::HostController>> m_host_controllers;
Vector<DeviceIdentifier> m_device_identifiers;
};
}