pci.h File Reference

#include <stdint.h>

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Data Structures
union	pci_device_t
struct	pci_driver_t

Functions
uint32_t	pci_read (pci_device_t device, uint32_t field, uint8_t size)
void	pci_write (pci_device_t device, uint32_t field, uint32_t value)

Detailed Description

See also

https://wiki.osdev.org/PCI

This module manages the Peripheral Component Interconnect (PCI) bus.

Function Documentation

pci_read()

uint32_t pci_read	(	pci_device_t	device,
		uint32_t	field,
		uint8_t	size )

Reads a field from the configuration space.

Parameters

device	the PCI device
field	the field to read
size	the size of the value for the field to read

Returns

the value for the field read

pci_write()

void pci_write	(	pci_device_t	device,
		uint32_t	field,
		uint32_t	value )

Writes a value to a field in the configuration space.

Parameters

device	the PCI device
field	the field to update
value	the new value for the field