iomap_virt.h File Reference

iPXE I/O mapping API using phys_to_virt() More...

#include <stddef.h>
#include <ipxe/uaccess.h>

Go to the source code of this file.

Macros
#define	IOMAP_PREFIX_virt   __virt_

Functions
	FILE_LICENCE (GPL2_OR_LATER_OR_UBDL)
static __always_inline void *	IOMAP_INLINE (virt, ioremap)(unsigned long bus_addr
static __always_inline void	IOMAP_INLINE (virt, iounmap)(volatile const void *io_addr __unused)
static __always_inline unsigned long	IOMAP_INLINE (virt, io_to_bus)(volatile const void *io_addr)

Variables
static __always_inline void size_t len	__unused

Detailed Description

iPXE I/O mapping API using phys_to_virt()

Definition in file iomap_virt.h.

Macro Definition Documentation

IOMAP_PREFIX_virt

#define IOMAP_PREFIX_virt   __virt_

Definition at line 18 of file iomap_virt.h.

Function Documentation

FILE_LICENCE()

FILE_LICENCE

(

GPL2_OR_LATER_OR_UBDL

)

IOMAP_INLINE() [1/3]

static __always_inline void* IOMAP_INLINE ( virt  , ioremap    )

inlinestatic

IOMAP_INLINE() [2/3]

static __always_inline void IOMAP_INLINE ( virt  , iounmap    ) const volatile

inlinestatic

Definition at line 27 of file iomap_virt.h.

                                                                         {
        /* Nothing to do */
}

IOMAP_INLINE() [3/3]

static __always_inline unsigned long IOMAP_INLINE ( virt  , io_to_bus    ) const volatile

inlinestatic

Definition at line 32 of file iomap_virt.h.

                                                                  {
        return virt_to_phys ( io_addr );
}

Variable Documentation

__unused

__always_inline void size_t len __unused

Initial value:

{
        return ( bus_addr ? phys_to_virt ( bus_addr ) : NULL )

Definition at line 22 of file iomap_virt.h.