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Diffstat (limited to 'EDK/Foundation/Library/EdkIIGlueLib/Include/Library/EdkIIGlueUefiLib.h')
| -rw-r--r-- | EDK/Foundation/Library/EdkIIGlueLib/Include/Library/EdkIIGlueUefiLib.h | 590 |
1 files changed, 590 insertions, 0 deletions
diff --git a/EDK/Foundation/Library/EdkIIGlueLib/Include/Library/EdkIIGlueUefiLib.h b/EDK/Foundation/Library/EdkIIGlueLib/Include/Library/EdkIIGlueUefiLib.h new file mode 100644 index 0000000..946fabd --- /dev/null +++ b/EDK/Foundation/Library/EdkIIGlueLib/Include/Library/EdkIIGlueUefiLib.h @@ -0,0 +1,590 @@ +/*++ + +Copyright (c) 2004 - 2011, Intel Corporation +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. + + +Module Name: + + EdkIIGlueUefiLib.h + +Abstract: + + Public header file for UEFI Lib + +--*/ + +#ifndef __EDKII_GLUE_UEFI_LIB_H__ +#define __EDKII_GLUE_UEFI_LIB_H__ + + +#define EfiInitializeLock(_LOCK, _PRIORITY) GlueEfiInitializeLock(_LOCK, _PRIORITY) +#define EfiAcquireLock(_LOCK) GlueEfiAcquireLock(_LOCK) +#define EfiAcquireLockOrFail(_LOCK) GlueEfiAcquireLockOrFail(_LOCK) +#define EfiReleaseLock(_LOCK) GlueEfiReleaseLock(_LOCK) +#define GetGlyphWidth(_UNICODECHAR) GlueGetGlyphWidth(_UNICODECHAR) +#define EfiCreateEventLegacyBoot(_LEGACYBOOT) GlueEfiCreateEventLegacyBoot(_LEGACYBOOT) +#define EfiCreateEventReadyToBoot(_READYTOBOOTEVENT) GlueEfiCreateEventReadyToBoot(_READYTOBOOTEVENT) +#define EfiGetNameGuidFromFwVolDevicePathNode(_FVDEVICEPATHNODE) GlueEfiGetNameGuidFromFwVolDevicePathNode(_FVDEVICEPATHNODE) +#define EfiInitializeFwVolDevicepathNode(_FVDEVICEPATHNODE, _NAMEGUID) GlueEfiInitializeFwVolDevicepathNode(_FVDEVICEPATHNODE, _NAMEGUID) + + +// +// Unicode String Table +// +typedef struct { + CHAR8 *Language; + CHAR16 *UnicodeString; +} GLUE_EFI_UNICODE_STRING_TABLE; + +// +// EFI Lock Status +// +typedef enum { + EfiLockUninitialized = 0, + EfiLockReleased = 1, + EfiLockAcquired = 2 +} EFI_LOCK_STATE; + +// +// EFI Lock +// +typedef struct { + EFI_TPL Tpl; + EFI_TPL OwnerTpl; + EFI_LOCK_STATE Lock; +} GLUE_EFI_LOCK; + +/** + This function searches the list of configuration tables stored in the EFI System + Table for a table with a GUID that matches TableGuid. If a match is found, + then a pointer to the configuration table is returned in Table, and EFI_SUCCESS + is returned. If a matching GUID is not found, then EFI_NOT_FOUND is returned. + + @param TableGuid Pointer to table's GUID type.. + @param Table Pointer to the table associated with TableGuid in the EFI System Table. + + @retval EFI_SUCCESS A configuration table matching TableGuid was found. + @retval EFI_NOT_FOUND A configuration table matching TableGuid could not be found. + +**/ +EFI_STATUS +EFIAPI +EfiGetSystemConfigurationTable ( + IN EFI_GUID *TableGuid, + OUT VOID **Table + ); + +/** + This function causes the notification function to be executed for every protocol + of type ProtocolGuid instance that exists in the system when this function is + invoked. In addition, every time a protocol of type ProtocolGuid instance is + installed or reinstalled, the notification function is also executed. + + @param ProtocolGuid Supplies GUID of the protocol upon whose installation the event is fired. + @param NotifyTpl Supplies the task priority level of the event notifications. + @param NotifyFunction Supplies the function to notify when the event is signaled. + @param NotifyContext The context parameter to pass to NotifyFunction. + @param Registration A pointer to a memory location to receive the registration value. + + @return The notification event that was created. + +**/ +EFI_EVENT +EFIAPI +EfiCreateProtocolNotifyEvent( + IN EFI_GUID *ProtocolGuid, + IN EFI_TPL NotifyTpl, + IN EFI_EVENT_NOTIFY NotifyFunction, + IN VOID *NotifyContext, OPTIONAL + OUT VOID **Registration + ); + +/** + This function creates an event using NotifyTpl, NoifyFunction, and NotifyContext. + This event is signaled with EfiNamedEventSignal(). This provide the ability for + one or more listeners on the same event named by the GUID specified by Name. + + @param Name Supplies GUID name of the event. + @param NotifyTpl Supplies the task priority level of the event notifications. + @param NotifyFunction Supplies the function to notify when the event is signaled. + @param NotifyContext The context parameter to pass to NotifyFunction. + @param Registration A pointer to a memory location to receive the registration value. + + @retval EFI_SUCCESS A named event was created. + @retval EFI_OUT_OF_RESOURCES There are not enough resource to create the named event. + +**/ +EFI_STATUS +EFIAPI +EfiNamedEventListen ( + IN CONST EFI_GUID *Name, + IN EFI_TPL NotifyTpl, + IN EFI_EVENT_NOTIFY NotifyFunction, + IN CONST VOID *NotifyContext, OPTIONAL + OUT VOID *Registration OPTIONAL + ); + +/** + This function signals the named event specified by Name. The named event must + have been created with EfiNamedEventListen(). + + @param Name Supplies GUID name of the event. + + @retval EFI_SUCCESS A named event was signaled. + @retval EFI_OUT_OF_RESOURCES There are not enough resource to signal the named event. + +**/ +EFI_STATUS +EFIAPI +EfiNamedEventSignal ( + IN CONST EFI_GUID *Name + ); + +/** + This function initializes a basic mutual exclusion lock to the released state + and returns the lock. Each lock provides mutual exclusion access at its task + priority level. Since there is no preemption or multiprocessor support in EFI, + acquiring the lock only consists of raising to the locks TPL. + + @param Lock A pointer to the lock data structure to initialize. + @param Priority EFI TPL associated with the lock. + + @return The lock. + +**/ +EFI_LOCK * +EFIAPI +GlueEfiInitializeLock ( + IN OUT EFI_LOCK *Lock, + IN EFI_TPL Priority + ); + +/** + This macro initializes the contents of a basic mutual exclusion lock to the + released state. Each lock provides mutual exclusion access at its task + priority level. Since there is no preemption or multiprocessor support in EFI, + acquiring the lock only consists of raising to the locks TPL. + + @param Lock A pointer to the lock data structure to initialize. + @param Priority The task priority level of the lock. + + @return The lock. + +**/ +#ifdef EFI_INITIALIZE_LOCK_VARIABLE +#undef EFI_INITIALIZE_LOCK_VARIABLE +#endif + +#define EFI_INITIALIZE_LOCK_VARIABLE(Priority) \ + {Priority, EFI_TPL_APPLICATION, EfiLockReleased } + + +/** + + Macro that calls DebugAssert() if an EFI_LOCK structure is not in the locked state. + + If the DEBUG_PROPERTY_DEBUG_ASSERT_ENABLED bit of PcdDebugProperyMask is set, + then this macro evaluates the EFI_LOCK structure specified by Lock. If Lock + is not in the locked state, then DebugAssert() is called passing in the source + filename, source line number, and Lock. + + If Lock is NULL, then ASSERT(). + + @param LockParameter A pointer to the lock to acquire. + +**/ +#ifdef ASSERT_LOCKED +#undef ASSERT_LOCKED +#endif + +#define ASSERT_LOCKED(LockParameter) \ + do { \ + if (DebugAssertEnabled ()) { \ + ASSERT (LockParameter != NULL); \ + if ((LockParameter)->Lock != EfiLockAcquired) { \ + _ASSERT (LockParameter not locked); \ + } \ + } \ + } while (FALSE) + + +/** + This function raises the system¡¯s current task priority level to the task + priority level of the mutual exclusion lock. Then, it places the lock in the + acquired state. + + @param Priority The task priority level of the lock. + +**/ +VOID +EFIAPI +GlueEfiAcquireLock ( + IN EFI_LOCK *Lock + ); + +/** + This function raises the system¡¯s current task priority level to the task + priority level of the mutual exclusion lock. Then, it attempts to place the + lock in the acquired state. + + @param Lock A pointer to the lock to acquire. + + @retval EFI_SUCCESS The lock was acquired. + @retval EFI_ACCESS_DENIED The lock could not be acquired because it is already owned. + +**/ +EFI_STATUS +EFIAPI +GlueEfiAcquireLockOrFail ( + IN EFI_LOCK *Lock + ); + +/** + This function transitions a mutual exclusion lock from the acquired state to + the released state, and restores the system¡¯s task priority level to its + previous level. + + @param Lock A pointer to the lock to release. + +**/ +VOID +EFIAPI +GlueEfiReleaseLock ( + IN EFI_LOCK *Lock + ); + +/** + This function looks up a Unicode string in UnicodeStringTable. If Language is + a member of SupportedLanguages and a Unicode string is found in UnicodeStringTable + that matches the language code specified by Language, then it is returned in + UnicodeString. + + @param Language A pointer to the ISO 639-2 language code for the + Unicode string to look up and return. + @param SupportedLanguages A pointer to the set of ISO 639-2 language codes + that the Unicode string table supports. Language + must be a member of this set. + @param UnicodeStringTable A pointer to the table of Unicode strings. + @param UnicodeString A pointer to the Unicode string from UnicodeStringTable + that matches the language specified by Language. + + @retval EFI_SUCCESS The Unicode string that matches the language + specified by Language was found + in the table of Unicoide strings UnicodeStringTable, + and it was returned in UnicodeString. + @retval EFI_INVALID_PARAMETER Language is NULL. + @retval EFI_INVALID_PARAMETER UnicodeString is NULL. + @retval EFI_UNSUPPORTED SupportedLanguages is NULL. + @retval EFI_UNSUPPORTED UnicodeStringTable is NULL. + @retval EFI_UNSUPPORTED The language specified by Language is not a + member of SupportedLanguages. + @retval EFI_UNSUPPORTED The language specified by Language is not + supported by UnicodeStringTable. + +**/ +EFI_STATUS +EFIAPI +LookupUnicodeString ( + IN CONST CHAR8 *Language, + IN CONST CHAR8 *SupportedLanguages, + IN CONST EFI_UNICODE_STRING_TABLE *UnicodeStringTable, + OUT CHAR16 **UnicodeString + ); + +/** + This function adds a Unicode string to UnicodeStringTable. + If Language is a member of SupportedLanguages then UnicodeString is added to + UnicodeStringTable. New buffers are allocated for both Language and + UnicodeString. The contents of Language and UnicodeString are copied into + these new buffers. These buffers are automatically freed when + FreeUnicodeStringTable() is called. + + @param Language A pointer to the ISO 639-2 language code for the Unicode + string to add. + @param SupportedLanguages A pointer to the set of ISO 639-2 language codes + that the Unicode string table supports. + Language must be a member of this set. + @param UnicodeStringTable A pointer to the table of Unicode strings. + @param UnicodeString A pointer to the Unicode string to add. + + @retval EFI_SUCCESS The Unicode string that matches the language + specified by Language was found in the table of + Unicode strings UnicodeStringTable, and it was + returned in UnicodeString. + @retval EFI_INVALID_PARAMETER Language is NULL. + @retval EFI_INVALID_PARAMETER UnicodeString is NULL. + @retval EFI_INVALID_PARAMETER UnicodeString is an empty string. + @retval EFI_UNSUPPORTED SupportedLanguages is NULL. + @retval EFI_ALREADY_STARTED A Unicode string with language Language is + already present in UnicodeStringTable. + @retval EFI_OUT_OF_RESOURCES There is not enough memory to add another + Unicode string to UnicodeStringTable. + @retval EFI_UNSUPPORTED The language specified by Language is not a + member of SupportedLanguages. + +**/ +EFI_STATUS +EFIAPI +AddUnicodeString ( + IN CONST CHAR8 *Language, + IN CONST CHAR8 *SupportedLanguages, + IN EFI_UNICODE_STRING_TABLE **UnicodeStringTable, + IN CONST CHAR16 *UnicodeString + ); + +/** + This function frees the table of Unicode strings in UnicodeStringTable. + If UnicodeStringTable is NULL, then EFI_SUCCESS is returned. + Otherwise, each language code, and each Unicode string in the Unicode string + table are freed, and EFI_SUCCESS is returned. + + @param UnicodeStringTable A pointer to the table of Unicode strings. + + @retval EFI_SUCCESS The Unicode string table was freed. + +**/ +EFI_STATUS +EFIAPI +FreeUnicodeStringTable ( + IN EFI_UNICODE_STRING_TABLE *UnicodeStringTable + ); + +/** + This function computes and returns the width of the Unicode character + specified by UnicodeChar. + + @param UnicodeChar A Unicode character. + + @retval 0 The width if UnicodeChar could not be determined. + @retval 1 UnicodeChar is a narrow glyph. + @retval 2 UnicodeChar is a wide glyph. + +**/ + +EFI_GUID * +GetGuidFromHandle ( + EFI_HANDLE Handle + ); +/*++ + +Routine Description: + + retrieves GUID name from Handle + +Arguments: + + Handle - Handle of image + +Returns: + + Pointer to GUID name + +--*/ + +UINTN +EFIAPI +GlueGetGlyphWidth ( + IN CHAR16 UnicodeChar + ); + +/** + This function computes and returns the display length of + the Null-terminated Unicode string specified by String. + If String is NULL, then 0 is returned. + If any of the widths of the Unicode characters in String + can not be determined, then 0 is returned. + + @param String A pointer to a Null-terminated Unicode string. + + @return The display length of the Null-terminated Unicode string specified by String. + +**/ +UINTN +EFIAPI +UnicodeStringDisplayLength ( + IN CONST CHAR16 *String + ); + +// +// Functions that abstract early Framework contamination of UEFI. +// +/** + Signal a Ready to Boot Event. + + Create a Ready to Boot Event. Signal it and close it. This causes other + events of the same event group to be signaled in other modules. + +**/ +VOID +EFIAPI +EfiSignalEventReadyToBoot ( + VOID + ); + +/** + Signal a Legacy Boot Event. + + Create a legacy Boot Event. Signal it and close it. This causes other + events of the same event group to be signaled in other modules. + +**/ +VOID +EFIAPI +EfiSignalEventLegacyBoot ( + VOID + ); + +/** + Create a Legacy Boot Event. + + Tiano extended the CreateEvent Type enum to add a legacy boot event type. + This was bad as Tiano did not own the enum. In UEFI 2.0 CreateEventEx was + added and now it's possible to not voilate the UEFI specification by + declaring a GUID for the legacy boot event class. This library supports + the EDK/EFI 1.10 form and EDK II/UEFI 2.0 form and allows common code to + work both ways. + + @param LegacyBootEvent Returns the EFI event returned from gBS->CreateEvent(Ex). + + @retval EFI_SUCCESS Event was created. + @retval Other Event was not created. + +**/ +EFI_STATUS +EFIAPI +GlueEfiCreateEventLegacyBoot ( + OUT EFI_EVENT *LegacyBootEvent + ); + +/** + Create an EFI event in the Legacy Boot Event Group and allows + the caller to specify a notification function. + + This function abstracts the creation of the Legacy Boot Event. + The Framework moved from a proprietary to UEFI 2.0 based mechanism. + This library abstracts the caller from how this event is created to prevent + to code form having to change with the version of the specification supported. + If LegacyBootEvent is NULL, then ASSERT(). + + @param NotifyTpl The task priority level of the event. + @param NotifyFunction The notification function to call when the event is signaled. + @param NotifyContext The content to pass to NotifyFunction when the event is signaled. + @param LegacyBootEvent Returns the EFI event returned from gBS->CreateEvent(Ex). + + @retval EFI_SUCCESS Event was created. + @retval Other Event was not created. + +**/ +EFI_STATUS +EFIAPI +EfiCreateEventLegacyBootEx ( + IN EFI_TPL NotifyTpl, + IN EFI_EVENT_NOTIFY NotifyFunction, OPTIONAL + IN VOID *NotifyContext, OPTIONAL + OUT EFI_EVENT *LegacyBootEvent + ); + +/** + Create a Read to Boot Event. + + Tiano extended the CreateEvent Type enum to add a ready to boot event type. + This was bad as Tiano did not own the enum. In UEFI 2.0 CreateEventEx was + added and now it's possible to not voilate the UEFI specification and use + the ready to boot event class defined in UEFI 2.0. This library supports + the EDK/EFI 1.10 form and EDKII/UEFI 2.0 form and allows common code to + work both ways. + + @param LegacyBootEvent Returns the EFI event returned from gBS->CreateEvent(Ex). + + @retval EFI_SUCCESS Event was created. + @retval Other Event was not created. + +**/ +EFI_STATUS +EFIAPI +GlueEfiCreateEventReadyToBoot ( + OUT EFI_EVENT *ReadyToBootEvent + ); + +/** + Create an EFI event in the Ready To Boot Event Group and allows + the caller to specify a notification function. + + This function abstracts the creation of the Ready to Boot Event. + The Framework moved from a proprietary to UEFI 2.0 based mechanism. + This library abstracts the caller from how this event is created to prevent + to code form having to change with the version of the specification supported. + If ReadyToBootEvent is NULL, then ASSERT(). + + @param NotifyTpl The task priority level of the event. + @param NotifyFunction The notification function to call when the event is signaled. + @param NotifyContext The content to pass to NotifyFunction when the event is signaled. + @param LegacyBootEvent Returns the EFI event returned from gBS->CreateEvent(Ex). + + @retval EFI_SUCCESS Event was created. + @retval Other Event was not created. + +**/ +EFI_STATUS +EFIAPI +EfiCreateEventReadyToBootEx ( + IN EFI_TPL NotifyTpl, + IN EFI_EVENT_NOTIFY NotifyFunction, OPTIONAL + IN VOID *NotifyContext, OPTIONAL + OUT EFI_EVENT *ReadyToBootEvent + ); + +/** + Initialize a Firmware Volume (FV) Media Device Path node. + + Tiano extended the EFI 1.10 device path nodes. Tiano does not own this enum + so as we move to UEFI 2.0 support we must use a mechanism that conforms with + the UEFI 2.0 specification to define the FV device path. An UEFI GUIDed + device path is defined for Tiano extensions of device path. If the code + is compiled to conform with the UEFI 2.0 specification use the new device path + else use the old form for backwards compatability. + + @param FvDevicePathNode Pointer to a FV device path node to initialize + @param NameGuid FV file name to use in FvDevicePathNode + +**/ +VOID +EFIAPI +GlueEfiInitializeFwVolDevicepathNode ( + IN OUT MEDIA_FW_VOL_FILEPATH_DEVICE_PATH *FvDevicePathNode, + IN CONST EFI_GUID *NameGuid + ); + +/** + Check to see if the Firmware Volume (FV) Media Device Path is valid + + Tiano extended the EFI 1.10 device path nodes. Tiano does not own this enum + so as we move to UEFI 2.0 support we must use a mechanism that conforms with + the UEFI 2.0 specification to define the FV device path. An UEFI GUIDed + device path is defined for Tiano extensions of device path. If the code + is compiled to conform with the UEFI 2.0 specification use the new device path + else use the old form for backwards compatability. The return value to this + function points to a location in FvDevicePathNode and it does not allocate + new memory for the GUID pointer that is returned. + + @param FvDevicePathNode Pointer to FV device path to check. + + @retval NULL FvDevicePathNode is not valid. + @retval Other FvDevicePathNode is valid and pointer to NameGuid was returned. + +**/ +EFI_GUID * +EFIAPI +GlueEfiGetNameGuidFromFwVolDevicePathNode ( + IN CONST MEDIA_FW_VOL_FILEPATH_DEVICE_PATH *FvDevicePathNode + ); + + +#endif |