null_pci.h File Reference

Null PCI API. More...

#include <stdint.h>

Go to the source code of this file.

Macros
#define	PCIAPI_PREFIX_null   __null_

Functions
	FILE_LICENCE (GPL2_OR_LATER_OR_UBDL)
static __always_inline int	PCIAPI_INLINE (null, pci_can_probe)(struct pci_device *pci __unused)
	Check if PCI bus probing is allowed. More...
static __always_inline void	PCIAPI_INLINE (null, pci_discover)(uint32_t busdevfn __unused
	Find next PCI bus:dev.fn address range in system. More...
static __always_inline int	PCIAPI_INLINE (null, pci_read_config_byte)(struct pci_device *pci __unused
	Read byte from PCI configuration space via PCI BIOS. More...
static __always_inline int	PCIAPI_INLINE (null, pci_read_config_word)(struct pci_device *pci __unused
	Read word from PCI configuration space via PCI BIOS. More...
static __always_inline int	PCIAPI_INLINE (null, pci_read_config_dword)(struct pci_device *pci __unused
	Read dword from PCI configuration space via PCI BIOS. More...
static __always_inline int	PCIAPI_INLINE (null, pci_write_config_byte)(struct pci_device *pci __unused
	Write byte to PCI configuration space via PCI BIOS. More...
static __always_inline int	PCIAPI_INLINE (null, pci_write_config_word)(struct pci_device *pci __unused
	Write word to PCI configuration space via PCI BIOS. More...
static __always_inline int	PCIAPI_INLINE (null, pci_write_config_dword)(struct pci_device *pci __unused
	Write dword to PCI configuration space via PCI BIOS. More...
static __always_inline void *	PCIAPI_INLINE (null, pci_ioremap)(struct pci_device *pci __unused
	Map PCI bus address as an I/O address. More...

Variables
static __always_inline void struct pci_range *	range
range	count = 0
static __always_inline int unsigned int where	__unused
static __always_inline int unsigned int where uint8_t *	value
	return

Detailed Description

Null PCI API.

Definition in file null_pci.h.

Macro Definition Documentation

PCIAPI_PREFIX_null

#define PCIAPI_PREFIX_null   __null_

Definition at line 17 of file null_pci.h.

Function Documentation

FILE_LICENCE()

FILE_LICENCE

(

GPL2_OR_LATER_OR_UBDL

)

PCIAPI_INLINE() [1/9]

static __always_inline int PCIAPI_INLINE ( null  , pci_can_probe    )

inlinestatic

Check if PCI bus probing is allowed.

Parameters

pci	PCI device

Return values

ok	Bus probing is allowed

Definition at line 29 of file null_pci.h.

                                                                          {
        return 0;
}

PCIAPI_INLINE() [2/9]

static __always_inline void PCIAPI_INLINE ( null  , pci_discover    )

inlinestatic

Find next PCI bus:dev.fn address range in system.

Parameters

busdevfn	Starting PCI bus:dev.fn address
range	PCI bus:dev.fn address range to fill in

PCIAPI_INLINE() [3/9]

static __always_inline int PCIAPI_INLINE ( null  , pci_read_config_byte    )

inlinestatic

Read byte from PCI configuration space via PCI BIOS.

Parameters

pci	PCI device
where	Location within PCI configuration space
value	Value read

Return values

rc	Return status code

PCIAPI_INLINE() [4/9]

static __always_inline int PCIAPI_INLINE ( null  , pci_read_config_word    )

inlinestatic

Read word from PCI configuration space via PCI BIOS.

Parameters

pci	PCI device
where	Location within PCI configuration space
value	Value read

Return values

rc	Return status code

PCIAPI_INLINE() [5/9]

static __always_inline int PCIAPI_INLINE ( null  , pci_read_config_dword    )

inlinestatic

Read dword from PCI configuration space via PCI BIOS.

Parameters

pci	PCI device
where	Location within PCI configuration space
value	Value read

Return values

rc	Return status code

PCIAPI_INLINE() [6/9]

static __always_inline int PCIAPI_INLINE ( null  , pci_write_config_byte    )

inlinestatic

Write byte to PCI configuration space via PCI BIOS.

Parameters

pci	PCI device
where	Location within PCI configuration space
value	Value to be written

Return values

rc	Return status code

PCIAPI_INLINE() [7/9]

static __always_inline int PCIAPI_INLINE ( null  , pci_write_config_word    )

inlinestatic

Write word to PCI configuration space via PCI BIOS.

Parameters

pci	PCI device
where	Location within PCI configuration space
value	Value to be written

Return values

rc	Return status code

PCIAPI_INLINE() [8/9]

static __always_inline int PCIAPI_INLINE ( null  , pci_write_config_dword    )

inlinestatic

Write dword to PCI configuration space via PCI BIOS.

Parameters

pci	PCI device
where	Location within PCI configuration space
value	Value to be written

Return values

rc	Return status code

PCIAPI_INLINE() [9/9]

static __always_inline void* PCIAPI_INLINE ( null  , pci_ioremap    )

inlinestatic

Map PCI bus address as an I/O address.

Parameters

bus_addr	PCI bus address
len	Length of region

Return values

io_addr

I/O address, or NULL on error

Variable Documentation

range

__always_inline void struct pci_range* range

Initial value:

{

        range->start = 0

Definition at line 41 of file null_pci.h.

count

range count = 0

Definition at line 44 of file null_pci.h.

__unused

__always_inline void unsigned long bus_addr size_t len __unused

Initial value:

{
        return 0

Definition at line 57 of file null_pci.h.

value

__always_inline int unsigned int where uint32_t* value

Initial value:

{
        *value = 0xff

Definition at line 58 of file null_pci.h.

return

return

Definition at line 60 of file null_pci.h.