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/*
* Copyright (c) 2022, Liav A. <liavalb@hotmail.co.il>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <AK/Bitmap.h>
#include <AK/Vector.h>
#include <Kernel/Bus/PCI/Definitions.h>
#include <Kernel/Locking/Spinlock.h>
namespace Kernel::PCI {
TYPEDEF_DISTINCT_ORDERED_ID(u8, BusNumber);
TYPEDEF_DISTINCT_ORDERED_ID(u8, DeviceNumber);
TYPEDEF_DISTINCT_ORDERED_ID(u8, FunctionNumber);
class HostController {
public:
virtual ~HostController() = default;
virtual void write8_field(BusNumber, DeviceNumber, FunctionNumber, u32 field, u8 value) = 0;
virtual void write16_field(BusNumber, DeviceNumber, FunctionNumber, u32 field, u16 value) = 0;
virtual void write32_field(BusNumber, DeviceNumber, FunctionNumber, u32 field, u32 value) = 0;
virtual u8 read8_field(BusNumber, DeviceNumber, FunctionNumber, u32 field) = 0;
virtual u16 read16_field(BusNumber, DeviceNumber, FunctionNumber, u32 field) = 0;
virtual u32 read32_field(BusNumber, DeviceNumber, FunctionNumber, u32 field) = 0;
u32 domain_number() const { return m_domain.domain_number(); }
virtual void enumerate_attached_devices(Function<IterationDecision(DeviceIdentifier)> callback) = 0;
protected:
explicit HostController(PCI::Domain const& domain)
: m_domain(domain)
{
}
const PCI::Domain m_domain;
};
}
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