mirror of
https://git.proxmox.com/git/mirror_edk2
synced 2025-11-04 05:38:26 +00:00
5755841f2a
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@8005 6f19259b-4bc3-4df7-8a09-765794883524
425 lines
16 KiB
C
425 lines
16 KiB
C
/** @file
|
|
Definition for Device Path Utilities driver
|
|
|
|
Copyright (c) 2006 - 2008, Intel Corporation. <BR>
|
|
All rights reserved. This program and the accompanying materials
|
|
are licensed and made available under the terms and conditions of the BSD License
|
|
which accompanies this distribution. The full text of the license may be found at
|
|
http://opensource.org/licenses/bsd-license.php
|
|
|
|
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
|
|
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
|
|
|
|
**/
|
|
|
|
#ifndef _DEVICE_PATH_DRIVER_H_
|
|
#define _DEVICE_PATH_DRIVER_H_
|
|
|
|
#include <Uefi.h>
|
|
#include <Protocol/DevicePathUtilities.h>
|
|
#include <Protocol/DebugPort.h>
|
|
#include <Protocol/DevicePathToText.h>
|
|
#include <Protocol/DevicePathFromText.h>
|
|
#include <Guid/PcAnsi.h>
|
|
#include <Library/DebugLib.h>
|
|
#include <Library/PrintLib.h>
|
|
#include <Library/UefiDriverEntryPoint.h>
|
|
#include <Library/BaseLib.h>
|
|
#include <Library/BaseMemoryLib.h>
|
|
#include <Library/MemoryAllocationLib.h>
|
|
#include <Library/UefiBootServicesTableLib.h>
|
|
#include <Library/DevicePathLib.h>
|
|
#include <Library/PcdLib.h>
|
|
|
|
|
|
#define MAX_CHAR 480
|
|
|
|
#define IS_COMMA(a) ((a) == L',')
|
|
#define IS_HYPHEN(a) ((a) == L'-')
|
|
#define IS_DOT(a) ((a) == L'.')
|
|
#define IS_LEFT_PARENTH(a) ((a) == L'(')
|
|
#define IS_RIGHT_PARENTH(a) ((a) == L')')
|
|
#define IS_SLASH(a) ((a) == L'/')
|
|
#define IS_NULL(a) ((a) == L'\0')
|
|
|
|
|
|
#define SET_DEVICE_PATH_INSTANCE_END_NODE(a) { \
|
|
(a)->Type = END_DEVICE_PATH_TYPE; \
|
|
(a)->SubType = END_INSTANCE_DEVICE_PATH_SUBTYPE; \
|
|
(a)->Length[0] = sizeof (EFI_DEVICE_PATH_PROTOCOL); \
|
|
(a)->Length[1] = 0; \
|
|
}
|
|
|
|
//
|
|
// Private Data structure
|
|
//
|
|
typedef struct {
|
|
CHAR16 *Str;
|
|
UINTN Len;
|
|
UINTN MaxLen;
|
|
} POOL_PRINT;
|
|
|
|
typedef
|
|
EFI_DEVICE_PATH_PROTOCOL *
|
|
(*DUMP_NODE) (
|
|
IN CHAR16 *DeviceNodeStr
|
|
);
|
|
|
|
typedef struct {
|
|
UINT8 Type;
|
|
UINT8 SubType;
|
|
VOID (*Function) (POOL_PRINT *, VOID *, BOOLEAN, BOOLEAN);
|
|
} DEVICE_PATH_TO_TEXT_TABLE;
|
|
|
|
typedef struct {
|
|
CHAR16 *DevicePathNodeText;
|
|
DUMP_NODE Function;
|
|
} DEVICE_PATH_FROM_TEXT_TABLE;
|
|
|
|
typedef struct {
|
|
BOOLEAN ClassExist;
|
|
UINT8 Class;
|
|
BOOLEAN SubClassExist;
|
|
UINT8 SubClass;
|
|
} USB_CLASS_TEXT;
|
|
|
|
#define USB_CLASS_AUDIO 1
|
|
#define USB_CLASS_CDCCONTROL 2
|
|
#define USB_CLASS_HID 3
|
|
#define USB_CLASS_IMAGE 6
|
|
#define USB_CLASS_PRINTER 7
|
|
#define USB_CLASS_MASS_STORAGE 8
|
|
#define USB_CLASS_HUB 9
|
|
#define USB_CLASS_CDCDATA 10
|
|
#define USB_CLASS_SMART_CARD 11
|
|
#define USB_CLASS_VIDEO 14
|
|
#define USB_CLASS_DIAGNOSTIC 220
|
|
#define USB_CLASS_WIRELESS 224
|
|
|
|
#define USB_CLASS_RESERVE 254
|
|
#define USB_SUBCLASS_FW_UPDATE 1
|
|
#define USB_SUBCLASS_IRDA_BRIDGE 2
|
|
#define USB_SUBCLASS_TEST 3
|
|
|
|
#pragma pack(1)
|
|
|
|
typedef struct {
|
|
EFI_DEVICE_PATH_PROTOCOL Header;
|
|
EFI_GUID Guid;
|
|
UINT8 VendorDefinedData[1];
|
|
} VENDOR_DEFINED_HARDWARE_DEVICE_PATH;
|
|
|
|
typedef struct {
|
|
EFI_DEVICE_PATH_PROTOCOL Header;
|
|
EFI_GUID Guid;
|
|
UINT8 VendorDefinedData[1];
|
|
} VENDOR_DEFINED_MESSAGING_DEVICE_PATH;
|
|
|
|
typedef struct {
|
|
EFI_DEVICE_PATH_PROTOCOL Header;
|
|
EFI_GUID Guid;
|
|
UINT8 VendorDefinedData[1];
|
|
} VENDOR_DEFINED_MEDIA_DEVICE_PATH;
|
|
|
|
typedef struct {
|
|
EFI_DEVICE_PATH_PROTOCOL Header;
|
|
UINT32 HID;
|
|
UINT32 UID;
|
|
UINT32 CID;
|
|
CHAR8 HidUidCidStr[3];
|
|
} ACPI_EXTENDED_HID_DEVICE_PATH_WITH_STR;
|
|
|
|
typedef struct {
|
|
EFI_DEVICE_PATH_PROTOCOL Header;
|
|
UINT16 NetworkProtocol;
|
|
UINT16 LoginOption;
|
|
UINT64 Lun;
|
|
UINT16 TargetPortalGroupTag;
|
|
CHAR8 iSCSITargetName[1];
|
|
} ISCSI_DEVICE_PATH_WITH_NAME;
|
|
|
|
typedef struct {
|
|
EFI_DEVICE_PATH_PROTOCOL Header;
|
|
EFI_GUID Guid;
|
|
UINT8 VendorDefinedData[1];
|
|
} VENDOR_DEVICE_PATH_WITH_DATA;
|
|
|
|
#pragma pack()
|
|
|
|
/**
|
|
Converts a device node to its string representation.
|
|
|
|
@param DeviceNode A Pointer to the device node to be converted.
|
|
@param DisplayOnly If DisplayOnly is TRUE, then the shorter text representation
|
|
of the display node is used, where applicable. If DisplayOnly
|
|
is FALSE, then the longer text representation of the display node
|
|
is used.
|
|
@param AllowShortcuts If AllowShortcuts is TRUE, then the shortcut forms of text
|
|
representation for a device node can be used, where applicable.
|
|
|
|
@return A pointer to the allocated text representation of the device node or NULL if DeviceNode
|
|
is NULL or there was insufficient memory.
|
|
|
|
**/
|
|
CHAR16 *
|
|
EFIAPI
|
|
ConvertDeviceNodeToText (
|
|
IN CONST EFI_DEVICE_PATH_PROTOCOL *DeviceNode,
|
|
IN BOOLEAN DisplayOnly,
|
|
IN BOOLEAN AllowShortcuts
|
|
);
|
|
|
|
/**
|
|
Converts a device path to its text representation.
|
|
|
|
@param DevicePath A Pointer to the device to be converted.
|
|
@param DisplayOnly If DisplayOnly is TRUE, then the shorter text representation
|
|
of the display node is used, where applicable. If DisplayOnly
|
|
is FALSE, then the longer text representation of the display node
|
|
is used.
|
|
@param AllowShortcuts If AllowShortcuts is TRUE, then the shortcut forms of text
|
|
representation for a device node can be used, where applicable.
|
|
|
|
@return A pointer to the allocated text representation of the device path or
|
|
NULL if DeviceNode is NULL or there was insufficient memory.
|
|
|
|
**/
|
|
CHAR16 *
|
|
EFIAPI
|
|
ConvertDevicePathToText (
|
|
IN CONST EFI_DEVICE_PATH_PROTOCOL *DevicePath,
|
|
IN BOOLEAN DisplayOnly,
|
|
IN BOOLEAN AllowShortcuts
|
|
);
|
|
|
|
/**
|
|
Convert text to the binary representation of a device node.
|
|
|
|
@param TextDeviceNode TextDeviceNode points to the text representation of a device
|
|
node. Conversion starts with the first character and continues
|
|
until the first non-device node character.
|
|
|
|
@return A pointer to the EFI device node or NULL if TextDeviceNode is NULL or there was
|
|
insufficient memory or text unsupported.
|
|
|
|
**/
|
|
EFI_DEVICE_PATH_PROTOCOL *
|
|
EFIAPI
|
|
ConvertTextToDeviceNode (
|
|
IN CONST CHAR16 *TextDeviceNode
|
|
);
|
|
|
|
/**
|
|
Convert text to the binary representation of a device path.
|
|
|
|
|
|
@param TextDevicePath TextDevicePath points to the text representation of a device
|
|
path. Conversion starts with the first character and continues
|
|
until the first non-device node character.
|
|
|
|
@return A pointer to the allocated device path or NULL if TextDeviceNode is NULL or
|
|
there was insufficient memory.
|
|
|
|
**/
|
|
EFI_DEVICE_PATH_PROTOCOL *
|
|
EFIAPI
|
|
ConvertTextToDevicePath (
|
|
IN CONST CHAR16 *TextDevicePath
|
|
);
|
|
|
|
/**
|
|
Returns the size of a device path in bytes.
|
|
|
|
This function returns the size, in bytes, of the device path data structure specified by
|
|
DevicePath including the end of device path node. If DevicePath is NULL, then 0 is returned.
|
|
|
|
@param DevicePath A pointer to a device path data structure.
|
|
|
|
@return The size of a device path in bytes.
|
|
|
|
**/
|
|
UINTN
|
|
EFIAPI
|
|
GetDevicePathSizeProtocolInterface (
|
|
IN CONST EFI_DEVICE_PATH_PROTOCOL *DevicePath
|
|
);
|
|
|
|
/**
|
|
Creates a new device path by appending a second device path to a first device path.
|
|
|
|
This function allocates space for a new copy of the device path specified by DevicePath. If
|
|
DevicePath is NULL, then NULL is returned. If the memory is successfully allocated, then the
|
|
contents of DevicePath are copied to the newly allocated buffer, and a pointer to that buffer
|
|
is returned. Otherwise, NULL is returned.
|
|
|
|
@param DevicePath A pointer to a device path data structure.
|
|
|
|
@return A pointer to the duplicated device path.
|
|
|
|
**/
|
|
EFI_DEVICE_PATH_PROTOCOL *
|
|
EFIAPI
|
|
DuplicateDevicePathProtocolInterface (
|
|
IN CONST EFI_DEVICE_PATH_PROTOCOL *DevicePath
|
|
);
|
|
|
|
/**
|
|
Creates a new device path by appending a second device path to a first device path.
|
|
|
|
This function creates a new device path by appending a copy of SecondDevicePath to a copy of
|
|
FirstDevicePath in a newly allocated buffer. Only the end-of-device-path device node from
|
|
SecondDevicePath is retained. The newly created device path is returned.
|
|
If FirstDevicePath is NULL, then it is ignored, and a duplicate of SecondDevicePath is returned.
|
|
If SecondDevicePath is NULL, then it is ignored, and a duplicate of FirstDevicePath is returned.
|
|
If both FirstDevicePath and SecondDevicePath are NULL, then a copy of an end-of-device-path is
|
|
returned.
|
|
If there is not enough memory for the newly allocated buffer, then NULL is returned.
|
|
The memory for the new device path is allocated from EFI boot services memory. It is the
|
|
responsibility of the caller to free the memory allocated.
|
|
|
|
@param FirstDevicePath A pointer to a device path data structure.
|
|
@param SecondDevicePath A pointer to a device path data structure.
|
|
|
|
@return A pointer to the new device path.
|
|
|
|
**/
|
|
EFI_DEVICE_PATH_PROTOCOL *
|
|
EFIAPI
|
|
AppendDevicePathProtocolInterface (
|
|
IN CONST EFI_DEVICE_PATH_PROTOCOL *FirstDevicePath,
|
|
IN CONST EFI_DEVICE_PATH_PROTOCOL *SecondDevicePath
|
|
);
|
|
|
|
/**
|
|
Creates a new path by appending the device node to the device path.
|
|
|
|
This function creates a new device path by appending a copy of the device node specified by
|
|
DevicePathNode to a copy of the device path specified by DevicePath in an allocated buffer.
|
|
The end-of-device-path device node is moved after the end of the appended device node.
|
|
If DevicePathNode is NULL then a copy of DevicePath is returned.
|
|
If DevicePath is NULL then a copy of DevicePathNode, followed by an end-of-device path device
|
|
node is returned.
|
|
If both DevicePathNode and DevicePath are NULL then a copy of an end-of-device-path device node
|
|
is returned.
|
|
If there is not enough memory to allocate space for the new device path, then NULL is returned.
|
|
The memory is allocated from EFI boot services memory. It is the responsibility of the caller to
|
|
free the memory allocated.
|
|
|
|
@param DevicePath A pointer to a device path data structure.
|
|
@param DevicePathNode A pointer to a single device path node.
|
|
|
|
@return A pointer to the new device path.
|
|
|
|
**/
|
|
EFI_DEVICE_PATH_PROTOCOL *
|
|
EFIAPI
|
|
AppendDeviceNodeProtocolInterface (
|
|
IN CONST EFI_DEVICE_PATH_PROTOCOL *DevicePath,
|
|
IN CONST EFI_DEVICE_PATH_PROTOCOL *DevicePathNode
|
|
);
|
|
|
|
/**
|
|
Creates a new device path by appending the specified device path instance to the specified device
|
|
path.
|
|
|
|
This function creates a new device path by appending a copy of the device path instance specified
|
|
by DevicePathInstance to a copy of the device path specified by DevicePath in a allocated buffer.
|
|
The end-of-device-path device node is moved after the end of the appended device path instance
|
|
and a new end-of-device-path-instance node is inserted between.
|
|
If DevicePath is NULL, then a copy if DevicePathInstance is returned.
|
|
If DevicePathInstance is NULL, then NULL is returned.
|
|
If there is not enough memory to allocate space for the new device path, then NULL is returned.
|
|
The memory is allocated from EFI boot services memory. It is the responsibility of the caller to
|
|
free the memory allocated.
|
|
|
|
@param DevicePath A pointer to a device path data structure.
|
|
@param DevicePathInstance A pointer to a device path instance.
|
|
|
|
@return A pointer to the new device path.
|
|
|
|
**/
|
|
EFI_DEVICE_PATH_PROTOCOL *
|
|
EFIAPI
|
|
AppendDevicePathInstanceProtocolInterface (
|
|
IN CONST EFI_DEVICE_PATH_PROTOCOL *DevicePath,
|
|
IN CONST EFI_DEVICE_PATH_PROTOCOL *DevicePathInstance
|
|
);
|
|
|
|
/**
|
|
Creates a copy of the current device path instance and returns a pointer to the next device path
|
|
instance.
|
|
|
|
This function creates a copy of the current device path instance. It also updates DevicePath to
|
|
point to the next device path instance in the device path (or NULL if no more) and updates Size
|
|
to hold the size of the device path instance copy.
|
|
If DevicePath is NULL, then NULL is returned.
|
|
If there is not enough memory to allocate space for the new device path, then NULL is returned.
|
|
The memory is allocated from EFI boot services memory. It is the responsibility of the caller to
|
|
free the memory allocated.
|
|
If Size is NULL, then ASSERT().
|
|
|
|
@param DevicePath On input, this holds the pointer to the current device path
|
|
instance. On output, this holds the pointer to the next device
|
|
path instance or NULL if there are no more device path
|
|
instances in the device path pointer to a device path data
|
|
structure.
|
|
@param Size On output, this holds the size of the device path instance, in
|
|
bytes or zero, if DevicePath is NULL.
|
|
|
|
@return A pointer to the current device path instance.
|
|
|
|
**/
|
|
EFI_DEVICE_PATH_PROTOCOL *
|
|
EFIAPI
|
|
GetNextDevicePathInstanceProtocolInterface (
|
|
IN OUT EFI_DEVICE_PATH_PROTOCOL **DevicePath,
|
|
OUT UINTN *Size
|
|
);
|
|
|
|
/**
|
|
Determines if a device path is single or multi-instance.
|
|
|
|
This function returns TRUE if the device path specified by DevicePath is multi-instance.
|
|
Otherwise, FALSE is returned. If DevicePath is NULL, then FALSE is returned.
|
|
|
|
@param DevicePath A pointer to a device path data structure.
|
|
|
|
@retval TRUE DevicePath is multi-instance.
|
|
@retval FALSE DevicePath is not multi-instance or DevicePath is NULL.
|
|
|
|
**/
|
|
BOOLEAN
|
|
EFIAPI
|
|
IsDevicePathMultiInstanceProtocolInterface (
|
|
IN CONST EFI_DEVICE_PATH_PROTOCOL *DevicePath
|
|
);
|
|
|
|
/**
|
|
Creates a copy of the current device path instance and returns a pointer to the next device path
|
|
instance.
|
|
|
|
This function creates a new device node in a newly allocated buffer of size NodeLength and
|
|
initializes the device path node header with NodeType and NodeSubType. The new device path node
|
|
is returned.
|
|
If NodeLength is smaller than a device path header, then NULL is returned.
|
|
If there is not enough memory to allocate space for the new device path, then NULL is returned.
|
|
The memory is allocated from EFI boot services memory. It is the responsibility of the caller to
|
|
free the memory allocated.
|
|
|
|
@param NodeType The device node type for the new device node.
|
|
@param NodeSubType The device node sub-type for the new device node.
|
|
@param NodeLength The length of the new device node.
|
|
|
|
@return The new device path.
|
|
|
|
**/
|
|
EFI_DEVICE_PATH_PROTOCOL *
|
|
EFIAPI
|
|
CreateDeviceNodeProtocolInterface (
|
|
IN UINT8 NodeType,
|
|
IN UINT8 NodeSubType,
|
|
IN UINT16 NodeLength
|
|
);
|
|
|
|
#endif
|