pcidirect.c File Reference

PCI configuration space access via Type 1 accesses. More...

#include <ipxe/io.h>
#include <ipxe/pci.h>

Go to the source code of this file.

Functions
	FILE_LICENCE (GPL2_OR_LATER_OR_UBDL)
void	pcidirect_prepare (struct pci_device *pci, int where)
	Prepare for Type 1 PCI configuration space access. More...
	PROVIDE_PCIAPI_INLINE (direct, pci_discover)
	PROVIDE_PCIAPI_INLINE (direct, pci_read_config_byte)
	PROVIDE_PCIAPI_INLINE (direct, pci_read_config_word)
	PROVIDE_PCIAPI_INLINE (direct, pci_read_config_dword)
	PROVIDE_PCIAPI_INLINE (direct, pci_write_config_byte)
	PROVIDE_PCIAPI_INLINE (direct, pci_write_config_word)
	PROVIDE_PCIAPI_INLINE (direct, pci_write_config_dword)
	PROVIDE_PCIAPI_INLINE (direct, pci_ioremap)

Variables
struct pci_api	pcidirect_api = PCIAPI_RUNTIME ( direct )

Detailed Description

PCI configuration space access via Type 1 accesses.

Definition in file pcidirect.c.

Function Documentation

FILE_LICENCE()

FILE_LICENCE

(

GPL2_OR_LATER_OR_UBDL

)

pcidirect_prepare()

void pcidirect_prepare	(	struct pci_device *	pci,
		int	where
	)

Prepare for Type 1 PCI configuration space access.

Parameters

pci	PCI device
where	Location within PCI configuration space

Definition at line 41 of file pcidirect.c.

                                                             {
        uint16_t busdevfn = ( pci->busdevfn & 0xffff );

        outl ( ( 0x80000000 | ( busdevfn << 8 ) | ( where & ~3 ) ),
               PCIDIRECT_CONFIG_ADDRESS );
}

References busdevfn, pci_device::busdevfn, outl, PCIDIRECT_CONFIG_ADDRESS, and where.

PROVIDE_PCIAPI_INLINE() [1/8]

PROVIDE_PCIAPI_INLINE	(	direct	,
		pci_discover
	)

PROVIDE_PCIAPI_INLINE() [2/8]

PROVIDE_PCIAPI_INLINE	(	direct	,
		pci_read_config_byte
	)

PROVIDE_PCIAPI_INLINE() [3/8]

PROVIDE_PCIAPI_INLINE	(	direct	,
		pci_read_config_word
	)

PROVIDE_PCIAPI_INLINE() [4/8]

PROVIDE_PCIAPI_INLINE	(	direct	,
		pci_read_config_dword
	)

PROVIDE_PCIAPI_INLINE() [5/8]

PROVIDE_PCIAPI_INLINE	(	direct	,
		pci_write_config_byte
	)

PROVIDE_PCIAPI_INLINE() [6/8]

PROVIDE_PCIAPI_INLINE	(	direct	,
		pci_write_config_word
	)

PROVIDE_PCIAPI_INLINE() [7/8]

PROVIDE_PCIAPI_INLINE	(	direct	,
		pci_write_config_dword
	)

PROVIDE_PCIAPI_INLINE() [8/8]

PROVIDE_PCIAPI_INLINE	(	direct	,
		pci_ioremap
	)

Variable Documentation

pcidirect_api

struct pci_api pcidirect_api = PCIAPI_RUNTIME ( direct )

Definition at line 57 of file pcidirect.c.

Referenced by pcicloud_init().