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acpica-unix2-20130823
PANKOVs restructure
@@ -3,11 +3,11 @@
* Module Name: utosi - Support for the _OSI predefined control method
*
*****************************************************************************/
/*
- * Copyright (C) 2000 - 2011, Intel Corp.
+ * Copyright (C) 2000 - 2013, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
@@ -75,28 +75,28 @@
{"Windows 2006", NULL, 0, ACPI_OSI_WIN_VISTA}, /* Windows Vista - Added 03/2006 */
{"Windows 2006.1", NULL, 0, ACPI_OSI_WINSRV_2008}, /* Windows Server 2008 - Added 09/2009 */
{"Windows 2006 SP1", NULL, 0, ACPI_OSI_WIN_VISTA_SP1}, /* Windows Vista SP1 - Added 09/2009 */
{"Windows 2006 SP2", NULL, 0, ACPI_OSI_WIN_VISTA_SP2}, /* Windows Vista SP2 - Added 09/2010 */
{"Windows 2009", NULL, 0, ACPI_OSI_WIN_7}, /* Windows 7 and Server 2008 R2 - Added 09/2009 */
+ {"Windows 2012", NULL, 0, ACPI_OSI_WIN_8}, /* Windows 8 and Server 2012 - Added 08/2012 */
/* Feature Group Strings */
- {"Extended Address Space Descriptor", NULL, 0, 0}
+ {"Extended Address Space Descriptor", NULL, ACPI_OSI_FEATURE, 0},
/*
* All "optional" feature group strings (features that are implemented
- * by the host) should be dynamically added by the host via
- * AcpiInstallInterface and should not be manually added here.
- *
- * Examples of optional feature group strings:
- *
- * "Module Device"
- * "Processor Device"
- * "3.0 Thermal Model"
- * "3.0 _SCP Extensions"
- * "Processor Aggregator Device"
+ * by the host) should be dynamically modified to VALID by the host via
+ * AcpiInstallInterface or AcpiUpdateInterfaces. Such optional feature
+ * group strings are set as INVALID by default here.
*/
+
+ {"Module Device", NULL, ACPI_OSI_OPTIONAL_FEATURE, 0},
+ {"Processor Device", NULL, ACPI_OSI_OPTIONAL_FEATURE, 0},
+ {"3.0 Thermal Model", NULL, ACPI_OSI_OPTIONAL_FEATURE, 0},
+ {"3.0 _SCP Extensions", NULL, ACPI_OSI_OPTIONAL_FEATURE, 0},
+ {"Processor Aggregator Device", NULL, ACPI_OSI_OPTIONAL_FEATURE, 0}
};
/*******************************************************************************
*
@@ -112,14 +112,20 @@
ACPI_STATUS
AcpiUtInitializeInterfaces (
void)
{
+ ACPI_STATUS Status;
UINT32 i;
- (void) AcpiOsAcquireMutex (AcpiGbl_OsiMutex, ACPI_WAIT_FOREVER);
+ Status = AcpiOsAcquireMutex (AcpiGbl_OsiMutex, ACPI_WAIT_FOREVER);
+ if (ACPI_FAILURE (Status))
+ {
+ return (Status);
+ }
+
AcpiGbl_SupportedInterfaces = AcpiDefaultSupportedInterfaces;
/* Link the static list of supported interfaces */
for (i = 0; i < (ACPI_ARRAY_LENGTH (AcpiDefaultSupportedInterfaces) - 1); i++)
@@ -137,43 +143,62 @@
*
* FUNCTION: AcpiUtInterfaceTerminate
*
* PARAMETERS: None
*
- * RETURN: None
+ * RETURN: Status
*
* DESCRIPTION: Delete all interfaces in the global list. Sets
* AcpiGbl_SupportedInterfaces to NULL.
*
******************************************************************************/
-void
+ACPI_STATUS
AcpiUtInterfaceTerminate (
void)
{
+ ACPI_STATUS Status;
ACPI_INTERFACE_INFO *NextInterface;
- (void) AcpiOsAcquireMutex (AcpiGbl_OsiMutex, ACPI_WAIT_FOREVER);
- NextInterface = AcpiGbl_SupportedInterfaces;
+ Status = AcpiOsAcquireMutex (AcpiGbl_OsiMutex, ACPI_WAIT_FOREVER);
+ if (ACPI_FAILURE (Status))
+ {
+ return (Status);
+ }
+ NextInterface = AcpiGbl_SupportedInterfaces;
while (NextInterface)
{
AcpiGbl_SupportedInterfaces = NextInterface->Next;
- /* Only interfaces added at runtime can be freed */
-
if (NextInterface->Flags & ACPI_OSI_DYNAMIC)
{
+ /* Only interfaces added at runtime can be freed */
+
ACPI_FREE (NextInterface->Name);
ACPI_FREE (NextInterface);
}
+ else
+ {
+ /* Interface is in static list. Reset it to invalid or valid. */
+ if (NextInterface->Flags & ACPI_OSI_DEFAULT_INVALID)
+ {
+ NextInterface->Flags |= ACPI_OSI_INVALID;
+ }
+ else
+ {
+ NextInterface->Flags &= ~ACPI_OSI_INVALID;
+ }
+ }
+
NextInterface = AcpiGbl_SupportedInterfaces;
}
AcpiOsReleaseMutex (AcpiGbl_OsiMutex);
+ return (AE_OK);
}
/*******************************************************************************
*
@@ -292,10 +317,61 @@
}
/*******************************************************************************
*
+ * FUNCTION: AcpiUtUpdateInterfaces
+ *
+ * PARAMETERS: Action - Actions to be performed during the
+ * update
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Update _OSI interface strings, disabling or enabling OS vendor
+ * strings or/and feature group strings.
+ * Caller MUST hold AcpiGbl_OsiMutex
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiUtUpdateInterfaces (
+ UINT8 Action)
+{
+ ACPI_INTERFACE_INFO *NextInterface;
+
+
+ NextInterface = AcpiGbl_SupportedInterfaces;
+ while (NextInterface)
+ {
+ if (((NextInterface->Flags & ACPI_OSI_FEATURE) &&
+ (Action & ACPI_FEATURE_STRINGS)) ||
+ (!(NextInterface->Flags & ACPI_OSI_FEATURE) &&
+ (Action & ACPI_VENDOR_STRINGS)))
+ {
+ if (Action & ACPI_DISABLE_INTERFACES)
+ {
+ /* Mark the interfaces as invalid */
+
+ NextInterface->Flags |= ACPI_OSI_INVALID;
+ }
+ else
+ {
+ /* Mark the interfaces as valid */
+
+ NextInterface->Flags &= ~ACPI_OSI_INVALID;
+ }
+ }
+
+ NextInterface = NextInterface->Next;
+ }
+
+ return (AE_OK);
+}
+
+
+/*******************************************************************************
+ *
* FUNCTION: AcpiUtGetInterface
*
* PARAMETERS: InterfaceName - The interface to find
*
* RETURN: ACPI_INTERFACE_INFO if found. NULL if not found.
@@ -347,10 +423,11 @@
{
ACPI_OPERAND_OBJECT *StringDesc;
ACPI_OPERAND_OBJECT *ReturnDesc;
ACPI_INTERFACE_INFO *InterfaceInfo;
ACPI_INTERFACE_HANDLER InterfaceHandler;
+ ACPI_STATUS Status;
UINT32 ReturnValue;
ACPI_FUNCTION_TRACE (UtOsiImplementation);
@@ -373,11 +450,16 @@
}
/* Default return value is 0, NOT SUPPORTED */
ReturnValue = 0;
- (void) AcpiOsAcquireMutex (AcpiGbl_OsiMutex, ACPI_WAIT_FOREVER);
+ Status = AcpiOsAcquireMutex (AcpiGbl_OsiMutex, ACPI_WAIT_FOREVER);
+ if (ACPI_FAILURE (Status))
+ {
+ AcpiUtRemoveReference (ReturnDesc);
+ return_ACPI_STATUS (Status);
+ }
/* Lookup the interface in the global _OSI list */
InterfaceInfo = AcpiUtGetInterface (StringDesc->String.Pointer);
if (InterfaceInfo &&