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27f699ef0c
These types can be picked up by including <AK/Types.h>: * u8, u16, u32, u64 (unsigned) * i8, i16, i32, i64 (signed)
58 lines
1.2 KiB
C++
58 lines
1.2 KiB
C++
#pragma once
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#include <AK/Function.h>
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#include <AK/Types.h>
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namespace PCI {
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struct ID {
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u16 vendor_id { 0 };
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u16 device_id { 0 };
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bool is_null() const { return !vendor_id && !device_id; }
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bool operator==(const ID& other) const
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{
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return vendor_id == other.vendor_id && device_id == other.device_id;
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}
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};
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struct Address {
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Address() {}
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Address(u8 bus, u8 slot, u8 function)
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: m_bus(bus)
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, m_slot(slot)
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, m_function(function)
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{
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}
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bool is_null() const { return !m_bus && !m_slot && !m_function; }
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operator bool() const { return !is_null(); }
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u8 bus() const { return m_bus; }
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u8 slot() const { return m_slot; }
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u8 function() const { return m_function; }
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u32 io_address_for_field(u8 field) const
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{
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return 0x80000000u | (m_bus << 16u) | (m_slot << 11u) | (m_function << 8u) | (field & 0xfc);
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}
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private:
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u8 m_bus { 0 };
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u8 m_slot { 0 };
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u8 m_function { 0 };
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};
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void enumerate_all(Function<void(Address, ID)>);
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u8 get_interrupt_line(Address);
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u32 get_BAR0(Address);
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u32 get_BAR1(Address);
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u32 get_BAR2(Address);
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u32 get_BAR3(Address);
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u32 get_BAR4(Address);
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u32 get_BAR5(Address);
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void enable_bus_mastering(Address);
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}
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