4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync EFI_DEVICE_PATH_UTILITIES_PROTOCOL as defined in UEFI 2.0.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Use to create and manipulate device paths and device nodes.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Copyright (c) 2006 - 2010, Intel Corporation. All rights reserved.<BR>
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync This program and the accompanying materials
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync are licensed and made available under the terms and conditions of the BSD License
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync which accompanies this distribution. The full text of the license may be found at
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync/// Device Path Utilities protocol
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync 0x379be4e, 0xd706, 0x437d, {0xb0, 0x37, 0xed, 0xb8, 0x2f, 0xb7, 0x72, 0xa4 } \
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Returns the size of the device path, in bytes.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @param DevicePath Points to the start of the EFI device path.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @return Size Size of the specified device path, in bytes, including the end-of-path tag.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @retval 0 DevicePath is NULL
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync(EFIAPI *EFI_DEVICE_PATH_UTILS_GET_DEVICE_PATH_SIZE)(
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Create a duplicate of the specified path.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @param DevicePath Points to the source EFI device path.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @retval Pointer A pointer to the duplicate device path.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @retval NULL insufficient memory or DevicePath is NULL
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Create a new path by appending the second device path to the first.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync If Src1 is NULL and Src2 is non-NULL, then a duplicate of Src2 is returned.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync If Src1 is non-NULL and Src2 is NULL, then a duplicate of Src1 is returned.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync If Src1 and Src2 are both NULL, then a copy of an end-of-device-path is returned.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @param Src1 Points to the first device path.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @param Src2 Points to the second device path.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @retval Pointer A pointer to the newly created device path.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @retval NULL Memory could not be allocated
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Creates a new path by appending the device node to the device path.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync If DeviceNode is NULL then a copy of DevicePath is returned.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync If DevicePath is NULL then a copy of DeviceNode, followed by an end-of-device path device node is returned.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync If both DeviceNode and DevicePath are NULL then a copy of an end-of-device-path device node is returned.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @param DevicePath Points to the device path.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @param DeviceNode Points to the device node.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @retval Pointer A pointer to the allocated device node.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @retval NULL There was insufficient memory.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Creates a new path by appending the specified device path instance to the specified device path.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @param DevicePath Points to the device path. If NULL, then ignored.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @param DevicePathInstance Points to the device path instance.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @retval Pointer A pointer to the newly created device path
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @retval NULL Memory could not be allocated or DevicePathInstance is NULL.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync IN CONST EFI_DEVICE_PATH_PROTOCOL *DevicePathInstance
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Creates a copy of the current device path instance and returns a pointer to the next device path
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @param DevicePathInstance On input, this holds the pointer to the current device path
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync instance. On output, this holds the pointer to the next
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync device path instance or NULL if there are no more device
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync path instances in the device path.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @param DevicePathInstanceSize On output, this holds the size of the device path instance,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync in bytes or zero, if DevicePathInstance is NULL.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync If NULL, then the instance size is not output.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @retval Pointer A pointer to the copy of the current device path instance.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @retval NULL DevicePathInstace was NULL on entry or there was insufficient memory.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync IN OUT EFI_DEVICE_PATH_PROTOCOL **DevicePathInstance,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Creates a device node
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @param NodeType NodeType is the device node type (EFI_DEVICE_PATH.Type) for
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync the new device node.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @param NodeSubType NodeSubType is the device node sub-type
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync EFI_DEVICE_PATH.SubType) for the new device node.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @param NodeLength NodeLength is the length of the device node
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync (EFI_DEVICE_PATH.Length) for the new device node.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @retval Pointer A pointer to the newly created device node.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @retval NULL NodeLength is less than
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync the size of the header or there was insufficient memory.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Returns whether a device path is multi-instance.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @param DevicePath Points to the device path. If NULL, then ignored.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @retval TRUE The device path has more than one instance
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @retval FALSE The device path is empty or contains only a single instance.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync/// This protocol is used to creates and manipulates device paths and device nodes.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsynctypedef struct {
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync EFI_DEVICE_PATH_UTILS_GET_DEVICE_PATH_SIZE GetDevicePathSize;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync EFI_DEVICE_PATH_UTILS_DUP_DEVICE_PATH DuplicateDevicePath;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync EFI_DEVICE_PATH_UTILS_APPEND_PATH AppendDevicePath;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync EFI_DEVICE_PATH_UTILS_APPEND_NODE AppendDeviceNode;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync EFI_DEVICE_PATH_UTILS_APPEND_INSTANCE AppendDevicePathInstance;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync EFI_DEVICE_PATH_UTILS_GET_NEXT_INSTANCE GetNextDevicePathInstance;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync EFI_DEVICE_PATH_UTILS_IS_MULTI_INSTANCE IsDevicePathMultiInstance;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync EFI_DEVICE_PATH_UTILS_CREATE_NODE CreateDeviceNode;