efi__utils_8h_source.html

 #ifndef _IPXE_EFI_UTILS_H
 #define _IPXE_EFI_UTILS_H

 /** @file
  *
  * EFI utilities
  */

 FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL );

 #include <ipxe/efi/efi.h>

 struct device;

 extern int efi_locate_device ( EFI_HANDLE device, EFI_GUID *protocol,
                                EFI_HANDLE *parent, unsigned int skip );
 extern int efi_child_add ( EFI_HANDLE parent, EFI_HANDLE child );
 extern void efi_child_del ( EFI_HANDLE parent, EFI_HANDLE child );
 extern void efi_device_info ( EFI_HANDLE device, const char *prefix,
                               struct device *dev );

 #endif /* _IPXE_EFI_UTILS_H */
efi_device_info
void efi_device_info(EFI_HANDLE device, const char *prefix, struct device *dev)
Get underlying device information.
Definition: efi_utils.c:209

GUID
128 bit buffer containing a unique identifier value.
Definition: Base.h:215

efi_child_add
int efi_child_add(EFI_HANDLE parent, EFI_HANDLE child)
Add EFI device as child of another EFI device.
Definition: efi_utils.c:122

prefix
char prefix[4]
Definition: vmconsole.c:53

device::parent
struct device * parent
Bus device.
Definition: device.h:85

efi_child_del
void efi_child_del(EFI_HANDLE parent, EFI_HANDLE child)
Remove EFI device as child of another EFI device.
Definition: efi_utils.c:156

device
A hardware device.
Definition: device.h:73

efi.h
EFI API.

efi_locate_device
int efi_locate_device(EFI_HANDLE device, EFI_GUID *protocol, EFI_HANDLE *parent, unsigned int skip)
Locate parent device supporting a given protocol.
Definition: efi_utils.c:45

protocol
uint16_t protocol
Protocol ID.
Definition: stp.h:18

FILE_LICENCE
FILE_LICENCE(GPL2_OR_LATER_OR_UBDL)

EFI_HANDLE
Definition: efi.h:59