forked from Bananymous/banan-os
69 lines
1.4 KiB
C++
69 lines
1.4 KiB
C++
#pragma once
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#include <BAN/Vector.h>
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namespace Kernel
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{
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class PCIDevice
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{
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public:
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PCIDevice(uint8_t, uint8_t, uint8_t);
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uint32_t read_dword(uint8_t) const;
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uint16_t read_word(uint8_t) const;
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uint8_t read_byte(uint8_t) const;
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void write_dword(uint8_t, uint32_t) const;
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uint8_t bus() const { return m_bus; }
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uint8_t dev() const { return m_dev; }
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uint8_t func() const { return m_func; }
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uint8_t class_code() const { return m_class_code; }
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uint8_t subclass() const { return m_subclass; }
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uint8_t prog_if() const { return m_prog_if; }
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void enable_bus_mastering() const;
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void disable_bus_mastering() const;
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void enable_memory_space() const;
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void disable_memory_space() const;
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void enable_pin_interrupts() const;
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void disable_pin_interrupts() const;
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private:
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uint8_t m_bus;
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uint8_t m_dev;
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uint8_t m_func;
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uint8_t m_class_code;
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uint8_t m_subclass;
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uint8_t m_prog_if;
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};
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class PCI
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{
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BAN_NON_COPYABLE(PCI);
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BAN_NON_MOVABLE(PCI);
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public:
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static void initialize();
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static PCI& get();
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const BAN::Vector<PCIDevice>& devices() const { return m_devices; }
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private:
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PCI() = default;
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void check_function(uint8_t bus, uint8_t dev, uint8_t func);
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void check_device(uint8_t bus, uint8_t dev);
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void check_bus(uint8_t bus);
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void check_all_buses();
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void initialize_devices();
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private:
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BAN::Vector<PCIDevice> m_devices;
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};
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} |