iPXE
Functions
efi_autoboot.c File Reference

EFI autoboot device. More...

#include <string.h>
#include <errno.h>
#include <ipxe/efi/efi.h>
#include <ipxe/efi/efi_autoboot.h>
#include <ipxe/efi/Protocol/SimpleNetwork.h>
#include <usr/autoboot.h>

Go to the source code of this file.

Functions

 FILE_LICENCE (GPL2_OR_LATER_OR_UBDL)
 
int efi_set_autoboot_ll_addr (EFI_HANDLE device)
 Identify autoboot device. More...
 

Detailed Description

EFI autoboot device.

Definition in file efi_autoboot.c.

Function Documentation

◆ FILE_LICENCE()

FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL  )

◆ efi_set_autoboot_ll_addr()

int efi_set_autoboot_ll_addr ( EFI_HANDLE  device)

Identify autoboot device.

Parameters
deviceDevice handle
Return values
rcReturn status code

Definition at line 45 of file efi_autoboot.c.

45  {
47  union {
49  void *interface;
50  } snp;
52  EFI_STATUS efirc;
53  int rc;
54 
55  /* Look for an SNP instance on the image's device handle */
56  if ( ( efirc = bs->OpenProtocol ( device,
58  &snp.interface, efi_image_handle,
59  NULL,
61  rc = -EEFI ( efirc );
62  DBGC ( device, "EFI %s has no SNP instance: %s\n",
63  efi_handle_name ( device ), strerror ( rc ) );
64  return rc;
65  }
66 
67  /* Record autoboot device */
68  mode = snp.snp->Mode;
70  DBGC ( device, "EFI %s found autoboot link-layer address:\n",
71  efi_handle_name ( device ) );
72  DBGC_HDA ( device, 0, &mode->CurrentAddress, mode->HwAddressSize );
73 
74  /* Close protocol */
77 
78  return 0;
79 }
void set_autoboot_ll_addr(const void *ll_addr, size_t len)
Identify autoboot device by link-layer address.
Definition: autoboot.c:507
EFI_BOOT_SERVICES * BootServices
A pointer to the EFI Boot Services Table.
Definition: UefiSpec.h:2000
struct arbelprm_rc_send_wqe rc
Definition: arbel.h:14
The EFI_SIMPLE_NETWORK_PROTOCOL protocol is used to initialize access to a network adapter.
#define EEFI(efirc)
Convert an EFI status code to an iPXE status code.
Definition: efi.h:162
EFI_GUID efi_simple_network_protocol_guid
Simple network protocol GUID.
Definition: efi_guid.c:236
#define DBGC(...)
Definition: compiler.h:505
EFI_CLOSE_PROTOCOL CloseProtocol
Definition: UefiSpec.h:1906
EFI_MAC_ADDRESS CurrentAddress
The current HW MAC address for the network interface.
A hardware device.
Definition: device.h:73
An object interface.
Definition: interface.h:124
#define DBGC_HDA(...)
Definition: compiler.h:506
#define EFI_OPEN_PROTOCOL_GET_PROTOCOL
Definition: UefiSpec.h:1271
const char * efi_handle_name(EFI_HANDLE handle)
Get name of an EFI handle.
Definition: efi_debug.c:722
char * strerror(int errno)
Retrieve string representation of error number.
Definition: strerror.c:78
EFI Boot Services Table.
Definition: UefiSpec.h:1836
EFI_HANDLE efi_image_handle
Image handle passed to entry point.
Definition: efi_init.c:33
UINT32 HwAddressSize
The size, in bytes, of the network interface's HW address.
RETURN_STATUS EFI_STATUS
Function return status for EFI API.
Definition: UefiBaseType.h:35
EFI_SYSTEM_TABLE * efi_systab
EFI_OPEN_PROTOCOL OpenProtocol
Definition: UefiSpec.h:1905
#define NULL
NULL pointer (VOID *)
Definition: Base.h:362

References EFI_SYSTEM_TABLE::BootServices, EFI_BOOT_SERVICES::CloseProtocol, EFI_SIMPLE_NETWORK_MODE::CurrentAddress, DBGC, DBGC_HDA, EEFI, efi_handle_name(), efi_image_handle, EFI_OPEN_PROTOCOL_GET_PROTOCOL, efi_simple_network_protocol_guid, efi_systab, EFI_SIMPLE_NETWORK_MODE::HwAddressSize, NULL, EFI_BOOT_SERVICES::OpenProtocol, rc, set_autoboot_ll_addr(), and strerror().

Referenced by efi_init_application().