/** @file\r
- Generic BDS library defines general interfaces for BDS driver including:\r
- 1) BDS boot policy interface\r
- 2) BDS boot device connect interface\r
+ Generic BDS library defines general interfaces for a BDS driver, including:\r
+ 1) BDS boot policy interface.\r
+ 2) BDS boot device connect interface.\r
3) BDS Misc interfaces for mainting boot variable, ouput string.\r
\r
-Copyright (c) 2004 - 2009, Intel Corporation. <BR>\r
-All rights reserved. This program and the accompanying materials\r
-are licensed and made available under the terms and conditions of the BSD License\r
-which accompanies this distribution. The full text of the license may be found at\r
-http://opensource.org/licenses/bsd-license.php\r
-\r
-THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
+Copyright (c) 2004 - 2012, Intel Corporation. All rights reserved.<BR>\r
+This program and the accompanying materials are licensed and made available under \r
+the terms and conditions of the BSD License that accompanies this distribution. \r
+The full text of the license may be found at\r
+http://opensource.org/licenses/bsd-license.php. \r
+ \r
+THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, \r
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
\r
**/\r
#ifndef _GENERIC_BDS_LIB_H_\r
#define _GENERIC_BDS_LIB_H_\r
\r
-extern EFI_HANDLE mBdsImageHandle;\r
+#include <Protocol/UserManager.h>\r
\r
///\r
-/// Constants which are variable names used to access variables\r
+/// Constants which are variable names used to access variables.\r
///\r
#define VAR_LEGACY_DEV_ORDER L"LegacyDevOrder"\r
\r
///\r
-/// Data structures and defines\r
+/// Data structures and defines.\r
///\r
#define FRONT_PAGE_QUESTION_ID 0x0000\r
#define FRONT_PAGE_DATA_WIDTH 0x01\r
#define IS_LOAD_OPTION_TYPE(_c, _Mask) (BOOLEAN) (((_c) & (_Mask)) != 0)\r
\r
///\r
-/// Define Maximum characters that will be accepted\r
+/// Define the maximum characters that will be accepted.\r
///\r
#define MAX_CHAR 480\r
#define MAX_CHAR_SIZE (MAX_CHAR * 2)\r
\r
///\r
-/// Define maximum characters for boot option variable "BootXXXX"\r
+/// Define maximum characters for boot option variable "BootXXXX".\r
///\r
#define BOOT_OPTION_MAX_CHAR 10\r
\r
/**\r
Process the boot option according to the UEFI specification. The legacy boot option device path includes BBS_DEVICE_PATH.\r
\r
- @param Option The boot option to be processed\r
+ @param Option The boot option to be processed.\r
@param DevicePath The device path describing where to load the\r
boot image or the legcy BBS device path to boot\r
- the legacy OS\r
+ the legacy OS.\r
@param ExitDataSize The size of exit data.\r
@param ExitData Data returned when Boot image failed.\r
\r
@retval EFI_SUCCESS Boot from the input boot option succeeded.\r
- @retval EFI_NOT_FOUND The Device Path is not found in the system\r
+ @retval EFI_NOT_FOUND The Device Path is not found in the system.\r
\r
**/\r
EFI_STATUS\r
It will excute once every boot.\r
\r
@param BdsBootOptionList The header of the linked list that indexed all\r
- current boot options\r
+ current boot options.\r
\r
- @retval EFI_SUCCESS Finished all the boot device enumerations and created\r
- the boot option based on the boot device\r
+ @retval EFI_SUCCESS Finished all the boot device enumerations and \r
+ created the boot option based on the boot device.\r
\r
- @retval EFI_OUT_OF_RESOURCES Failed to enumerate the boot device and create the boot option list\r
+ @retval EFI_OUT_OF_RESOURCES Failed to enumerate the boot device and create \r
+ the boot option list.\r
**/\r
EFI_STATUS\r
EFIAPI\r
);\r
\r
/**\r
- Build the boot option with the handle parsed in\r
+ Build the boot option with the handle parsed in.\r
\r
- @param Handle The handle representing the device path for which to create\r
- boot option\r
- @param BdsBootOptionList The header of the link list which indexed all\r
- current boot options\r
+ @param Handle The handle representing the device path for which \r
+ to create a boot option.\r
+ @param BdsBootOptionList The header of the link list that indexed all\r
+ current boot options.\r
@param String The description of the boot option.\r
\r
**/\r
Build the on flash shell boot option with the handle parsed in.\r
\r
@param Handle The handle which present the device path to create\r
- on flash shell boot option\r
- @param BdsBootOptionList The header of the link list which indexed all\r
- current boot options\r
+ the on flash shell boot option.\r
+ @param BdsBootOptionList The header of the link list that indexed all\r
+ current boot options.\r
\r
**/\r
VOID\r
// Bds misc lib functions\r
//\r
/**\r
- Get boot mode by looking up configuration table and parsing HOB list\r
+ Get boot mode by looking up the configuration table and parsing the HOB list.\r
\r
- @param BootMode Boot mode from PEI handoff HOB.\r
+ @param BootMode The boot mode from PEI handoff HOB.\r
\r
- @retval EFI_SUCCESS Successfully get boot mode\r
+ @retval EFI_SUCCESS Successfully got boot mode.\r
\r
**/\r
EFI_STATUS\r
The function will go through the driver option link list, and then load and start\r
every driver to which the driver option device path points.\r
\r
- @param BdsDriverLists The header of the current driver option link list\r
+ @param BdsDriverLists The header of the current driver option link list.\r
\r
**/\r
VOID\r
\r
BdsLibVariableToOption () for each UINT16 in the variables.\r
\r
- @param BdsCommonOptionList The header of the option list base on variable\r
- VariableName\r
- @param VariableName EFI Variable name indicate the BootOrder or\r
- DriverOrder\r
+ @param BdsCommonOptionList The header of the option list base on the variable\r
+ VariableName.\r
+ @param VariableName An EFI Variable name indicate the BootOrder or\r
+ DriverOrder.\r
\r
- @retval EFI_SUCCESS Success create the boot option or driver option\r
- list\r
- @retval EFI_OUT_OF_RESOURCES Failed to get the boot option or driver option list\r
+ @retval EFI_SUCCESS Successfully created the boot option or driver option\r
+ list.\r
+ @retval EFI_OUT_OF_RESOURCES Failed to get the boot option or the driver option list.\r
**/\r
EFI_STATUS\r
EFIAPI\r
\r
/**\r
This function reads the EFI variable (VendorGuid/Name) and returns a dynamically allocated\r
- buffer and the size of the buffer. If failure, return NULL.\r
+ buffer and the size of the buffer. If it fails, return NULL.\r
\r
- @param Name String part of EFI variable name\r
- @param VendorGuid GUID part of EFI variable name\r
- @param VariableSize Returns the size of the EFI variable that was read\r
+ @param Name The string part of the EFI variable name.\r
+ @param VendorGuid The GUID part of the EFI variable name.\r
+ @param VariableSize Returns the size of the EFI variable that was read.\r
\r
- @return Dynamically allocated memory that contains a copy of the EFI variable\r
- Caller is responsible freeing the buffer.\r
- @retval NULL Variable was not read\r
+ @return Dynamically allocated memory that contains a copy \r
+ of the EFI variable. The caller is responsible for \r
+ freeing the buffer.\r
+ @retval NULL The variable was not read.\r
\r
**/\r
VOID *\r
/**\r
This function prints a series of strings.\r
\r
- @param ConOut Pointer to EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL\r
- @param ... A variable argument list containing series of\r
+ @param ConOut A pointer to EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.\r
+ @param ... A variable argument list containing a series of\r
strings, the last string must be NULL.\r
\r
- @retval EFI_SUCCESS Success print out the string using ConOut.\r
+ @retval EFI_SUCCESS Successfully printed out the string using ConOut.\r
@retval EFI_STATUS Return the status of the ConOut->OutputString ().\r
\r
**/\r
build boot#### or driver#### will also be linked to BdsCommonOptionList.\r
\r
@param BdsCommonOptionList The header of the boot#### or driver#### option\r
- link list\r
+ link list.\r
@param VariableName EFI Variable name, indicates if it is boot#### or\r
- driver####\r
+ driver####.\r
\r
- @retval BDS_COMMON_OPTION The option that was created\r
- @retval NULL Failed to get the new option\r
+ @retval BDS_COMMON_OPTION The option that was created.\r
+ @retval NULL Failed to get the new option.\r
\r
**/\r
BDS_COMMON_OPTION *\r
to BdsOptionList and also update to the VariableName. After the boot#### or\r
driver#### updated, the BootOrder or DriverOrder will also be updated.\r
\r
- @param BdsOptionList The header of the boot#### or driver#### link list\r
- @param DevicePath The device path which the boot#### or driver####\r
- option present\r
- @param String The description of the boot#### or driver####\r
- @param VariableName Indicate if the boot#### or driver#### option\r
+ @param BdsOptionList The header of the boot#### or driver#### link list.\r
+ @param DevicePath The device path that the boot#### or driver####\r
+ option present.\r
+ @param String The description of the boot#### or driver####.\r
+ @param VariableName Indicate if the boot#### or driver#### option.\r
\r
- @retval EFI_SUCCESS The boot#### or driver#### have been success\r
- registered\r
+ @retval EFI_SUCCESS The boot#### or driver#### have been successfully\r
+ registered.\r
@retval EFI_STATUS Return the status of gRT->SetVariable ().\r
\r
**/\r
);\r
\r
/**\r
- This function creates all handles associated with the given device\r
- path node. If the handle associated with one device path node can not\r
- be created, then it tries to execute the dispatch to load the missing drivers. \r
+ This function will create all handles associate with every device\r
+ path node. If the handle associate with one device path node can not\r
+ be created successfully, then still give chance to do the dispatch,\r
+ which load the missing drivers if possible.\r
\r
@param DevicePathToConnect The device path to be connected. Can be\r
- a multi-instance device path\r
+ a multi-instance device path.\r
\r
@retval EFI_SUCCESS All handles associates with every device path node\r
- were created\r
- @retval EFI_OUT_OF_RESOURCES Not enough resources to create new handles\r
- @retval EFI_NOT_FOUND At least one handle could not be created\r
+ were created.\r
+ @retval EFI_OUT_OF_RESOURCES Not enough resources to create new handles.\r
+ @retval EFI_NOT_FOUND At least one handle could not be created.\r
\r
**/\r
EFI_STATUS\r
);\r
\r
/**\r
- This function will connect all current system handles recursively. gBS->ConnectController() service is invoked for each handle exist in system handler buffer. If the handle is bus type handler, all childrens also will be connected recursively by gBS->ConnectController().\r
- @retval EFI_SUCCESS All handles and child handles have been connected @retval EFI_STATUS Return the status of gBS->LocateHandleBuffer().\r
+ This function will connect all current system handles recursively. \r
+ gBS->ConnectController() service is invoked for each handle exist in system handler buffer. \r
+ If the handle is bus type handler, all childrens also will be connected recursively by gBS->ConnectController().\r
+ \r
+ @retval EFI_SUCCESS All handles and child handles have been\r
+ connected. \r
+ @retval EFI_STATUS Return the status of gBS->LocateHandleBuffer().\r
**/\r
EFI_STATUS\r
EFIAPI\r
);\r
\r
/**\r
- This function will disconnect all current system handles. gBS->DisconnectController() is invoked for each handle exists in system handle buffer. If handle is a bus type handle, all childrens also are disconnected recursively by gBS->DisconnectController().\r
- @retval EFI_SUCCESS All handles have been disconnected\r
+ This function will disconnect all current system handles. \r
+ gBS->DisconnectController() is invoked for each handle exists in system handle buffer. \r
+ If handle is a bus type handle, all childrens also are disconnected recursively by gBS->DisconnectController().\r
+ \r
+ @retval EFI_SUCCESS All handles have been disconnected.\r
@retval EFI_STATUS Error status returned by of gBS->LocateHandleBuffer().\r
\r
**/\r
VOID\r
);\r
\r
+\r
+/**\r
+ This function will connect console device except ConIn base on the console\r
+ device variable ConOut and ErrOut.\r
+\r
+ @retval EFI_SUCCESS At least one of the ConOut device have\r
+ been connected success.\r
+ @retval EFI_STATUS Return the status of BdsLibConnectConsoleVariable ().\r
+\r
+**/\r
+EFI_STATUS\r
+EFIAPI\r
+BdsLibConnectAllDefaultConsolesWithOutConIn (\r
+ VOID\r
+ );\r
+\r
+\r
/**\r
This function updates the console variable based on ConVarName. It can\r
add or remove one specific console device path from the variable\r
\r
- @param ConVarName Console-related variable name: ConIn, ConOut,\r
+ @param ConVarName The console-related variable name: ConIn, ConOut,\r
ErrOut.\r
@param CustomizedConDevicePath The console device path to be added to\r
- the console variable ConVarName. Can not be multi-instance.\r
+ the console variable ConVarName. Cannot be multi-instance.\r
@param ExclusiveDevicePath The console device path to be removed\r
- from the console variable ConVarName. Can not be multi-instance.\r
+ from the console variable ConVarName. Cannot be multi-instance.\r
\r
@retval EFI_UNSUPPORTED The added device path is the same as a removed one.\r
@retval EFI_SUCCESS Successfully added or removed the device path from the\r
);\r
\r
/**\r
- Connect the console device base on the variable ConVarName. If\r
- ConVarName is a multi-instance device path, and at least one\r
- instance connects successfully, then this function\r
+ Connect the console device base on the variable ConVarName, if\r
+ device path of the ConVarName is multi-instance device path and\r
+ anyone of the instances is connected success, then this function\r
will return success.\r
+ If the handle associate with one device path node can not\r
+ be created successfully, then still give chance to do the dispatch,\r
+ which load the missing drivers if possible.\r
\r
@param ConVarName Console related variable name, ConIn, ConOut,\r
ErrOut.\r
\r
- @retval EFI_NOT_FOUND No console devices were connected successfully\r
- @retval EFI_SUCCESS Connected at least one instance of the console\r
- device path based on the variable ConVarName.\r
+ @retval EFI_NOT_FOUND There is not any console devices connected\r
+ success\r
+ @retval EFI_SUCCESS Success connect any one instance of the console\r
+ device path base on the variable ConVarName.\r
\r
**/\r
EFI_STATUS\r
IN CHAR16 *ConVarName\r
);\r
\r
+/**\r
+ Connect the console device base on the variable ConVarName, if\r
+ device path of the ConVarName is multi-instance device path and\r
+ anyone of the instances is connected success, then this function\r
+ will return success. \r
+ Dispatch service is not called when the handle associate with one \r
+ device path node can not be created successfully. Here no driver \r
+ dependency is assumed exist, so need not to call this service.\r
+\r
+ @param ConVarName Console related variable name, ConIn, ConOut,\r
+ ErrOut.\r
+\r
+ @retval EFI_NOT_FOUND There is not any console devices connected\r
+ success\r
+ @retval EFI_SUCCESS Success connect any one instance of the console\r
+ device path base on the variable ConVarName.\r
+\r
+**/\r
+EFI_STATUS\r
+EFIAPI\r
+BdsLibConnectConsoleVariableWithOutDispatch (\r
+ IN CHAR16 *ConVarName\r
+ );\r
+\r
//\r
// Bds device path related lib functions\r
//\r
/**\r
- Delete the instance in Multi that overlaps with Single \r
+ Delete the instance in Multi that overlaps with Single. \r
\r
@param Multi A pointer to a multi-instance device path data\r
structure.\r
structure.\r
\r
@return This function removes the device path instances in Multi that overlap\r
- Single, and returns the resulting device path. If there is no\r
+ Single, and returns the resulting device path. If there is no\r
remaining device path as a result, this function will return NULL.\r
\r
**/\r
);\r
\r
/**\r
- Function compares a device path data structure to that of all the nodes of a\r
+ This function compares a device path data structure to that of all the nodes of a\r
second device path instance.\r
\r
@param Multi A pointer to a multi-instance device path data\r
@param Single A pointer to a single-instance device path data\r
structure.\r
\r
- @retval TRUE If the Single device path is contained within Multi device path.\r
- @retval FALSE The Single device path is not contained within Multi device path.\r
+ @retval TRUE If the Single device path is contained within a \r
+ Multi device path.\r
+ @retval FALSE The Single device path is not contained within a \r
+ Multi device path.\r
\r
**/\r
BOOLEAN\r
\r
@param DevPath A pointer to the device path structure.\r
\r
- @return A new allocated Unicode string that represents the device path.\r
+ @return A newly allocated Unicode string that represents the device path.\r
\r
**/\r
CHAR16 *\r
IN EFI_DEVICE_PATH_PROTOCOL *DevPath\r
);\r
\r
-\r
//\r
// Internal definitions\r
//\r
UINTN Maxlen;\r
} POOL_PRINT;\r
\r
+typedef\r
+VOID\r
+(*DEV_PATH_FUNCTION) (\r
+ IN OUT POOL_PRINT *Str,\r
+ IN VOID *DevPath\r
+ );\r
+\r
typedef struct {\r
- UINT8 Type;\r
- UINT8 SubType;\r
- VOID (*Function) (POOL_PRINT *, VOID *);\r
+ UINT8 Type;\r
+ UINT8 SubType;\r
+ DEV_PATH_FUNCTION Function;\r
} DEVICE_PATH_STRING_TABLE;\r
\r
-extern EFI_GUID mEfiDevicePathMessagingUartFlowControlGuid;\r
-\r
typedef struct {\r
EFI_DEVICE_PATH_PROTOCOL Header;\r
EFI_GUID Guid;\r
UINT8 VendorDefinedData[1];\r
} VENDOR_DEVICE_PATH_WITH_DATA;\r
\r
-\r
-extern EFI_GUID mEfiDevicePathMessagingSASGuid;\r
-\r
typedef struct {\r
EFI_DEVICE_PATH_PROTOCOL Header;\r
UINT16 NetworkProtocol;\r
CHAR16 TargetName[1];\r
} ISCSI_DEVICE_PATH_WITH_NAME;\r
\r
-\r
-//\r
-// Notes: EFI 64 shadow all option rom\r
-//\r
-#if defined (MDE_CPU_IPF)\r
-#define EFI64_SHADOW_ALL_LEGACY_ROM() ShadowAllOptionRom ();\r
-#else\r
-#define EFI64_SHADOW_ALL_LEGACY_ROM()\r
-#endif\r
-\r
-/**\r
- Shadow all Legacy OptionRom. \r
-\r
-**/\r
-VOID\r
-EFIAPI\r
-ShadowAllOptionRom (\r
- VOID\r
- );\r
-\r
//\r
// BBS support macros and functions\r
//\r
/**\r
Delete all the invalid legacy boot options.\r
\r
- @retval EFI_SUCCESS All invalide legacy boot options are deleted.\r
- @retval EFI_OUT_OF_RESOURCES Fail to allocate necessary memory.\r
- @retval EFI_NOT_FOUND Fail to retrieve variable of boot order.\r
+ @retval EFI_SUCCESS All invalid legacy boot options are deleted.\r
+ @retval EFI_OUT_OF_RESOURCES Failed to allocate necessary memory.\r
+ @retval EFI_NOT_FOUND Failed to retrieve variable of boot order.\r
\r
**/\r
EFI_STATUS\r
/**\r
Add the legacy boot options from BBS table if they do not exist.\r
\r
- @retval EFI_SUCCESS The boot options are added successfully \r
+ @retval EFI_SUCCESS The boot options were added successfully, \r
or they are already in boot options.\r
@retval EFI_NOT_FOUND No legacy boot options is found.\r
@retval EFI_OUT_OF_RESOURCE No enough memory.\r
Add the legacy boot devices from BBS table into \r
the legacy device boot order.\r
\r
- @retval EFI_SUCCESS The boot devices are added successfully.\r
+ @retval EFI_SUCCESS The boot devices were added successfully.\r
@retval EFI_NOT_FOUND The legacy boot devices are not found.\r
- @retval EFI_OUT_OF_RESOURCES Memmory or storage is not enough.\r
- @retval EFI_DEVICE_ERROR Fail to add the legacy device boot order into EFI variable\r
- because of hardware error.\r
+ @retval EFI_OUT_OF_RESOURCES Memory or storage is not enough.\r
+ @retval EFI_DEVICE_ERROR Failed to add the legacy device boot order into EFI variable\r
+ because of a hardware error.\r
**/\r
EFI_STATUS\r
EFIAPI\r
/**\r
Refresh the boot priority for BBS entries based on boot option entry and boot order.\r
\r
- @param Entry The boot option is to be checked for refresh BBS table.\r
+ @param Entry The boot option is to be checked for a refreshed BBS table.\r
\r
- @retval EFI_SUCCESS The boot priority for BBS entries is refreshed successfully.\r
+ @retval EFI_SUCCESS The boot priority for BBS entries refreshed successfully.\r
@retval EFI_NOT_FOUND BBS entries can't be found.\r
@retval EFI_OUT_OF_RESOURCES Failed to get the legacy device boot order.\r
**/\r
Delete the Boot Option from EFI Variable. The Boot Order Arrray\r
is also updated.\r
\r
- @param OptionNumber The number of Boot option want to be deleted.\r
+ @param OptionNumber The number of Boot options wanting to be deleted.\r
@param BootOrder The Boot Order array.\r
@param BootOrderSize The size of the Boot Order Array.\r
\r
- @retval EFI_SUCCESS The Boot Option Variable was found and removed\r
- @retval EFI_UNSUPPORTED The Boot Option Variable store was inaccessible\r
- @retval EFI_NOT_FOUND The Boot Option Variable was not found\r
+ @retval EFI_SUCCESS The Boot Option Variable was found and removed.\r
+ @retval EFI_UNSUPPORTED The Boot Option Variable store was inaccessible.\r
+ @retval EFI_NOT_FOUND The Boot Option Variable was not found.\r
**/\r
EFI_STATUS\r
EFIAPI\r
//\r
/**\r
Enable the setup browser reset reminder feature.\r
- This routine is used in platform tip. If the platform policy needs the feature, use the routine to enable it.\r
+ This routine is used in a platform tip. If the platform policy needs the feature, use the routine to enable it.\r
\r
**/\r
VOID\r
\r
/**\r
Disable the setup browser reset reminder feature.\r
- This routine is used in platform tip. If the platform policy does not want the feature, use the routine to disable it.\r
+ This routine is used in a platform tip. If the platform policy does not want the feature, use the routine to disable it.\r
\r
**/\r
VOID\r
\r
\r
///\r
-/// Define the boot type which to classify the boot option type\r
-/// Different boot option type could have different boot behavior\r
-/// Use their device path node (Type + SubType) as type value\r
-/// The boot type here can be added according to requirement\r
+/// Define the boot type with which to classify the boot option type.\r
+/// Different boot option types could have different boot behaviors.\r
+/// Use their device path node (Type + SubType) as the type value.\r
+/// The boot type here can be added according to requirements.\r
///\r
\r
///\r
-/// ACPI boot type. For ACPI device, cannot use sub-type to distinguish device, so hardcode their value\r
+/// ACPI boot type. For ACPI devices, using sub-types to distinguish devices is not allowed, so hardcode their values.\r
///\r
#define BDS_EFI_ACPI_FLOPPY_BOOT 0x0201\r
///\r
/// Message boot type\r
-/// If a device path of boot option only point to a message node, the boot option is message boot type\r
+/// If a device path of boot option only points to a message node, the boot option is a message boot type.\r
///\r
#define BDS_EFI_MESSAGE_ATAPI_BOOT 0x0301 // Type 03; Sub-Type 01\r
#define BDS_EFI_MESSAGE_SCSI_BOOT 0x0302 // Type 03; Sub-Type 02\r
\r
///\r
/// Media boot type\r
-/// If a device path of boot option contain a media node, the boot option is media boot type\r
+/// If a device path of boot option contains a media node, the boot option is media boot type.\r
///\r
#define BDS_EFI_MEDIA_HD_BOOT 0x0401 // Type 04; Sub-Type 01\r
#define BDS_EFI_MEDIA_CDROM_BOOT 0x0402 // Type 04; Sub-Type 02\r
///\r
/// BBS boot type\r
-/// If a device path of boot option contain a BBS node, the boot option is BBS boot type\r
+/// If a device path of boot option contains a BBS node, the boot option is BBS boot type.\r
///\r
#define BDS_LEGACY_BBS_BOOT 0x0501 // Type 05; Sub-Type 01\r
\r
#define BDS_EFI_UNSUPPORT 0xFFFF\r
\r
-///\r
-/// USB host controller Programming Interface.\r
-///\r
-#define PCI_CLASSC_PI_UHCI 0x00\r
-#define PCI_CLASSC_PI_EHCI 0x20\r
-\r
/**\r
- Check whether an instance in BlockIoDevicePath has the same partition node as the HardDriveDevicePath device path\r
+ Check whether an instance in BlockIoDevicePath has the same partition node as the HardDriveDevicePath device path.\r
\r
- @param BlockIoDevicePath Multi device path instances to check\r
+ @param BlockIoDevicePath Multi device path instances to check.\r
@param HardDriveDevicePath A device path starting with a hard drive media\r
device path.\r
\r
\r
@param HardDriveDevicePath EFI Device Path to boot, if it starts with a hard\r
drive media device path.\r
- @return A Pointer to the full device path or NULL if a valid Hard Drive devic path\r
+ @return A Pointer to the full device path, or NULL if a valid Hard Drive devic path\r
cannot be found.\r
\r
**/\r
Second, check whether the device path points to a device that supports SimpleFileSystemProtocol.\r
Third, detect the the default boot file in the Media, and return the removable Media handle.\r
\r
- @param DevicePath Device Path to a bootable device\r
+ @param DevicePath The Device Path to a bootable device.\r
\r
@return The bootable media handle. If the media on the DevicePath is not bootable, NULL will return.\r
\r
Checks whether the Device path in a boot option points to a valid bootable device, and if the device\r
is ready to boot now.\r
\r
- @param DevPath the Device path in a boot option\r
- @param CheckMedia if true, check whether the device is ready to boot now.\r
+ @param DevPath The Device path in a boot option.\r
+ @param CheckMedia If true, check whether the device is ready to boot now.\r
\r
- @retval TRUE the Device path is valid\r
- @retval FALSE the Device path is invalid\r
+ @retval TRUE The Device path is valid.\r
+ @retval FALSE The Device path is invalid.\r
\r
**/\r
BOOLEAN\r
device, this function checks whether the description conflicts with other auto-created\r
boot options.\r
\r
- @param DevPath the Device path in a boot option\r
- @param CheckMedia if true, checks if the device is ready to boot now.\r
- @param Description the description of a boot option\r
+ @param DevPath The Device path in a boot option.\r
+ @param CheckMedia If true, checks if the device is ready to boot now.\r
+ @param Description The description of a boot option.\r
\r
- @retval TRUE the Device path is valid\r
- @retval FALSE the Device path is invalid\r
+ @retval TRUE The Device path is valid.\r
+ @retval FALSE The Device path is invalid.\r
\r
**/\r
BOOLEAN\r
/**\r
For a bootable Device path, return its boot type.\r
\r
- @param DevicePath The bootable device Path to check\r
-\r
- @retval BDS_EFI_MEDIA_HD_BOOT If given device path contains MEDIA_DEVICE_PATH type device path node which subtype is MEDIA_HARDDRIVE_DP @retval BDS_EFI_MEDIA_CDROM_BOOT If given device path contains MEDIA_DEVICE_PATH type device path node which subtype is MEDIA_CDROM_DP @retval BDS_EFI_ACPI_FLOPPY_BOOT If given device path contains ACPI_DEVICE_PATH type device path node which HID is floppy device. @retval BDS_EFI_MESSAGE_ATAPI_BOOT If given device path contains MESSAGING_DEVICE_PATH type device path node and its last device path node's subtype is MSG_ATAPI_DP. @retval BDS_EFI_MESSAGE_SCSI_BOOT If given device path contains MESSAGING_DEVICE_PATH type device path node and its last device path node's subtype is MSG_SCSI_DP. @retval BDS_EFI_MESSAGE_USB_DEVICE_BOOT If given device path contains MESSAGING_DEVICE_PATH type device path node and its last device path node's subtype is MSG_USB_DP. @retval BDS_EFI_MESSAGE_MISC_BOOT If the device path not contains any media device path node, and its last device path node point to a message device path node. @retval BDS_LEGACY_BBS_BOOT If given device path contains BBS_DEVICE_PATH type device path node. @retval BDS_EFI_UNSUPPORT An EFI Removable BlockIO device path not point to a media and message device, \r
-**/\r
+ @param DevicePath The bootable device Path to check.\r
+\r
+ @retval BDS_EFI_MEDIA_HD_BOOT The given device path contains MEDIA_DEVICE_PATH type device path node,\r
+ whose subtype is MEDIA_HARDDRIVE_DP. \r
+ @retval BDS_EFI_MEDIA_CDROM_BOOT If given device path contains MEDIA_DEVICE_PATH type device path node, \r
+ whose subtype is MEDIA_CDROM_DP. \r
+ @retval BDS_EFI_ACPI_FLOPPY_BOOT A given device path contains ACPI_DEVICE_PATH type device path node, \r
+ whose HID is floppy device. \r
+ @retval BDS_EFI_MESSAGE_ATAPI_BOOT A given device path contains MESSAGING_DEVICE_PATH type device path node, \r
+ and its last device path node's subtype is MSG_ATAPI_DP. \r
+ @retval BDS_EFI_MESSAGE_SCSI_BOOT A given device path contains MESSAGING_DEVICE_PATH type device path node,\r
+ and its last device path node's subtype is MSG_SCSI_DP. \r
+ @retval BDS_EFI_MESSAGE_USB_DEVICE_BOOT A given device path contains MESSAGING_DEVICE_PATH type device path node, \r
+ and its last device path node's subtype is MSG_USB_DP.\r
+ @retval BDS_EFI_MESSAGE_MISC_BOOT The device path does not contain any media device path node, and \r
+ its last device path node points to a message device path node. \r
+ @retval BDS_LEGACY_BBS_BOOT A given device path contains BBS_DEVICE_PATH type device path node. \r
+ @retval BDS_EFI_UNSUPPORT An EFI Removable BlockIO device path does not point to a media and message device. \r
+\r
+ **/\r
UINT32\r
EFIAPI\r
BdsGetBootTypeFromDevicePath (\r
VOID\r
);\r
\r
+/**\r
+ Identify a user and, if authenticated, returns the current user profile handle.\r
+\r
+ @param[out] User Points to the user profile handle.\r
+ \r
+ @retval EFI_SUCCESS The user is successfully identified, or user identification\r
+ is not supported.\r
+ @retval EFI_ACCESS_DENIED The user was not successfully identified.\r
+\r
+**/\r
+EFI_STATUS\r
+EFIAPI\r
+BdsLibUserIdentify (\r
+ OUT EFI_USER_PROFILE_HANDLE *User\r
+ ); \r
\r
/**\r
This function checks if a Fv file device path is valid, according to a file GUID. If it is invalid,\r
FV address maybe changes for memory layout adjust from time to time, use this funciton\r
could promise the Fv file device path is right.\r
\r
- @param DevicePath on input, the Fv file device path to check. On\r
+ @param DevicePath On input, the Fv file device path to check. On\r
output, the updated valid Fv file device path\r
- @param FileGuid the Fv file GUID\r
+ @param FileGuid the Fv file GUID.\r
\r
- @retval EFI_INVALID_PARAMETER the input DevicePath or FileGuid is invalid\r
- @retval EFI_UNSUPPORTED the input DevicePath does not contain an Fv file\r
- GUID at all\r
- @retval EFI_ALREADY_STARTED the input DevicePath has pointed to the Fv file and is\r
- valid\r
- @retval EFI_SUCCESS successfully updated the invalid DevicePath\r
- and returned the updated device path in DevicePath\r
+ @retval EFI_INVALID_PARAMETER The input DevicePath or FileGuid is invalid.\r
+ @retval EFI_UNSUPPORTED The input DevicePath does not contain an Fv file\r
+ GUID at all.\r
+ @retval EFI_ALREADY_STARTED The input DevicePath has pointed to the Fv file and is\r
+ valid.\r
+ @retval EFI_SUCCESS Successfully updated the invalid DevicePath\r
+ and returned the updated device path in DevicePath.\r
\r
**/\r
EFI_STATUS\r
\r
/**\r
Connect the specific USB device that matches the RemainingDevicePath,\r
- and whose bus is determined by Host Controller (Uhci or Ehci)\r
+ and whose bus is determined by Host Controller (Uhci or Ehci).\r
\r
@param HostControllerPI Uhci (0x00) or Ehci (0x20) or Both uhci and ehci\r
- (0xFF)\r
- @param RemainingDevicePath a short-form device path that starts with the first\r
+ (0xFF).\r
+ @param RemainingDevicePath A short-form device path that starts with the first\r
element being a USB WWID or a USB Class device\r
- path\r
+ path.\r
\r
@retval EFI_SUCCESS The specific Usb device is connected successfully.\r
@retval EFI_INVALID_PARAMETER Invalid HostControllerPi (not 0x00, 0x20 or 0xFF) \r
/**\r
Convert Vendor device path to a device name.\r
\r
- @param Str The buffer storing device name\r
- @param DevPath Pointer to vendor device path\r
+ @param Str The buffer storing device name.\r
+ @param DevPath The pointer to vendor device path.\r
\r
**/\r
VOID\r
);\r
\r
/**\r
- Concatenates a formatted unicode string to allocated pool.\r
+ Concatenates a formatted unicode string to an allocated pool.\r
The caller must free the resulting buffer.\r
\r
@param Str Tracks the allocated pool, size in use, and amount of pool allocated.\r
- @param Fmt The format string\r
+ @param Fmt The format string.\r
@param ... The data will be printed.\r
\r
@return Allocated buffer with the formatted string printed in it.\r
Use SystemTable ConOut to stop video based Simple Text Out consoles from going\r
to the video device. Put up LogoFile on every video device that is a console.\r
\r
- @param[in] LogoFile File name of logo to display on the center of the screen.\r
+ @param[in] LogoFile The file name of logo to display on the center of the screen.\r
\r
@retval EFI_SUCCESS ConsoleControl has been flipped to graphics and logo displayed.\r
- @retval EFI_UNSUPPORTED Logo not found\r
+ @retval EFI_UNSUPPORTED Logo not found.\r
\r
**/\r
EFI_STATUS\r
\r
/**\r
Use SystemTable ConOut to turn on video based Simple Text Out consoles. The \r
- Simple Text Out screens will now be synced up with all non video output devices\r
+ Simple Text Out screens will now be synced up with all non-video output devices.\r
\r
@retval EFI_SUCCESS UGA devices are back in text mode and synced up.\r
\r