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/*
* Copyright (c) 2020, Liav A. <liavalb@hotmail.co.il>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#pragma once
#include <AK/String.h>
#include <AK/Vector.h>
#include <Kernel/PCI/Definitions.h>
namespace Kernel {
class PCI::Access {
public:
enum class Type {
IO,
MMIO,
};
void enumerate(Function<void(Address, ID)>&) const;
void enumerate_bus(int type, u8 bus, Function<void(Address, ID)>&);
void enumerate_functions(int type, u8 bus, u8 slot, u8 function, Function<void(Address, ID)>& callback);
void enumerate_slot(int type, u8 bus, u8 slot, Function<void(Address, ID)>& callback);
static Access& the();
static bool is_initialized();
virtual uint32_t segment_count() const = 0;
virtual uint8_t segment_start_bus(u32 segment) const = 0;
virtual uint8_t segment_end_bus(u32 segment) const = 0;
virtual const char* access_type() const = 0;
virtual void write8_field(Address address, u32 field, u8 value) = 0;
virtual void write16_field(Address address, u32 field, u16 value) = 0;
virtual void write32_field(Address address, u32 field, u32 value) = 0;
virtual u8 read8_field(Address address, u32 field) = 0;
virtual u16 read16_field(Address address, u32 field) = 0;
virtual u32 read32_field(Address address, u32 field) = 0;
protected:
virtual void enumerate_hardware(Function<void(Address, ID)>) = 0;
Access();
Vector<PhysicalID> m_physical_ids;
};
}
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