"cmd/mmc.c" did not exist on "c3dbb4f9b7539e39d418fd1f518129fd60c8eca9"
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/*
* EFI device path interface
*
* Copyright (c) 2017 Leif Lindholm
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <efi_loader.h>
const efi_guid_t efi_guid_device_path_utilities_protocol =
EFI_DEVICE_PATH_UTILITIES_PROTOCOL_GUID;
static efi_uintn_t EFIAPI get_device_path_size(
const struct efi_device_path *device_path)
{
efi_uintn_t sz = 0;
EFI_ENTRY("%p", device_path);
/* size includes the END node: */
if (device_path)
sz = efi_dp_size(device_path) + sizeof(struct efi_device_path);
return EFI_EXIT(sz);
}
static struct efi_device_path * EFIAPI duplicate_device_path(
const struct efi_device_path *device_path)
{
EFI_ENTRY("%p", device_path);
return EFI_EXIT(efi_dp_dup(device_path));
}
static struct efi_device_path * EFIAPI append_device_path(
const struct efi_device_path *src1,
const struct efi_device_path *src2)
{
EFI_ENTRY("%p, %p", src1, src2);
return EFI_EXIT(efi_dp_append(src1, src2));
}
static struct efi_device_path * EFIAPI append_device_node(
const struct efi_device_path *device_path,
const struct efi_device_path *device_node)
{
EFI_ENTRY("%p, %p", device_path, device_node);
return EFI_EXIT(efi_dp_append_node(device_path, device_node));
}
static struct efi_device_path * EFIAPI append_device_path_instance(
const struct efi_device_path *device_path,
const struct efi_device_path *device_path_instance)
{
EFI_ENTRY("%p, %p", device_path, device_path_instance);
return EFI_EXIT(NULL);
}
static struct efi_device_path * EFIAPI get_next_device_path_instance(
struct efi_device_path **device_path_instance,
efi_uintn_t *device_path_instance_size)
{
EFI_ENTRY("%p, %p", device_path_instance, device_path_instance_size);
return EFI_EXIT(NULL);
}
static bool EFIAPI is_device_path_multi_instance(
const struct efi_device_path *device_path)
{
EFI_ENTRY("%p", device_path);
return EFI_EXIT(false);
}
/*
* Create device node.
*
* This function implements the CreateDeviceNode service of the device path
* utilities protocol.
*
* See the Unified Extensible Firmware Interface (UEFI) specification
* for details.
*
* @node_type node type
* @node_sub_type node sub type
* @node_length node length
* @return device path node
*/
static struct efi_device_path * EFIAPI create_device_node(
uint8_t node_type, uint8_t node_sub_type, uint16_t node_length)
{
EFI_ENTRY("%u, %u, %u", node_type, node_sub_type, node_length);
return EFI_EXIT(efi_dp_create_device_node(node_type, node_sub_type,
node_length));
}
const struct efi_device_path_utilities_protocol efi_device_path_utilities = {
.get_device_path_size = get_device_path_size,
.duplicate_device_path = duplicate_device_path,
.append_device_path = append_device_path,
.append_device_node = append_device_node,
.append_device_path_instance = append_device_path_instance,
.get_next_device_path_instance = get_next_device_path_instance,
.is_device_path_multi_instance = is_device_path_multi_instance,
.create_device_node = create_device_node,
};