28 lines
1.1 KiB
C++
28 lines
1.1 KiB
C++
#pragma once
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#include <stdint.h>
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namespace PCI
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{
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struct DeviceID
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{
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uint16_t vendor;
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uint16_t device;
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};
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struct DeviceType
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{
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uint8_t dev_class;
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uint8_t dev_subclass;
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uint8_t prog_if;
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uint8_t revision;
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};
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uint32_t raw_address(uint32_t bus, uint32_t slot, uint32_t function, int32_t offset);
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void raw_write8(uint32_t bus, uint32_t slot, uint32_t function, int32_t offset, uint8_t value);
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void raw_write16(uint32_t bus, uint32_t slot, uint32_t function, int32_t offset, uint16_t value);
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void raw_write32(uint32_t bus, uint32_t slot, uint32_t function, int32_t offset, uint32_t value);
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uint8_t raw_read8(uint32_t bus, uint32_t slot, uint32_t function, int32_t offset);
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uint16_t raw_read16(uint32_t bus, uint32_t slot, uint32_t function, int32_t offset);
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uint32_t raw_read32(uint32_t bus, uint32_t slot, uint32_t function, int32_t offset);
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DeviceID get_device_id(uint32_t bus, uint32_t slot, uint32_t function);
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DeviceType get_device_type(uint32_t bus, uint32_t slot, uint32_t function);
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void scan(void (*callback)(PCI::DeviceID&, PCI::DeviceType&));
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} |