*
* 1. Copyright Notice
*
- * Some or all of this work - Copyright (c) 1999 - 2011, Intel Corp.
+ * Some or all of this work - Copyright (c) 1999 - 2014, Intel Corp.
* All rights reserved.
*
* 2. License
*
* 2.1. This is your license from Intel Corp. under its intellectual property
- * rights. You may have additional license terms from the party that provided
+ * rights. You may have additional license terms from the party that provided
* you this software, covering your right to use that party's intellectual
* property rights.
*
* offer to sell, and import the Covered Code and derivative works thereof
* solely to the minimum extent necessary to exercise the above copyright
* license, and in no event shall the patent license extend to any additions
- * to or modifications of the Original Intel Code. No other license or right
+ * to or modifications of the Original Intel Code. No other license or right
* is granted directly or by implication, estoppel or otherwise;
*
* The above copyright and patent license is granted only if the following
* Redistribution of source code of any substantial portion of the Covered
* Code or modification with rights to further distribute source must include
* the above Copyright Notice, the above License, this list of Conditions,
- * and the following Disclaimer and Export Compliance provision. In addition,
+ * and the following Disclaimer and Export Compliance provision. In addition,
* Licensee must cause all Covered Code to which Licensee contributes to
* contain a file documenting the changes Licensee made to create that Covered
- * Code and the date of any change. Licensee must include in that file the
- * documentation of any changes made by any predecessor Licensee. Licensee
+ * Code and the date of any change. Licensee must include in that file the
+ * documentation of any changes made by any predecessor Licensee. Licensee
* must include a prominent statement that the modification is derived,
* directly or indirectly, from Original Intel Code.
*
* Redistribution of source code of any substantial portion of the Covered
* Code or modification without rights to further distribute source must
* include the following Disclaimer and Export Compliance provision in the
- * documentation and/or other materials provided with distribution. In
+ * documentation and/or other materials provided with distribution. In
* addition, Licensee may not authorize further sublicense of source of any
* portion of the Covered Code, and must include terms to the effect that the
* license from Licensee to its licensee is limited to the intellectual
* 4. Disclaimer and Export Compliance
*
* 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
- * HERE. ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
- * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT, ASSISTANCE,
- * INSTALLATION, TRAINING OR OTHER SERVICES. INTEL WILL NOT PROVIDE ANY
- * UPDATES, ENHANCEMENTS OR EXTENSIONS. INTEL SPECIFICALLY DISCLAIMS ANY
+ * HERE. ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
+ * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT, ASSISTANCE,
+ * INSTALLATION, TRAINING OR OTHER SERVICES. INTEL WILL NOT PROVIDE ANY
+ * UPDATES, ENHANCEMENTS OR EXTENSIONS. INTEL SPECIFICALLY DISCLAIMS ANY
* IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
* PARTICULAR PURPOSE.
*
* COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
* SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
* CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
- * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES. THESE LIMITATIONS
+ * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES. THESE LIMITATIONS
* SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
* LIMITED REMEDY.
*
* 4.3. Licensee shall not export, either directly or indirectly, any of this
* software or system incorporating such software without first obtaining any
* required license or other approval from the U. S. Department of Commerce or
- * any other agency or department of the United States Government. In the
+ * any other agency or department of the United States Government. In the
* event Licensee exports any such software from the United States or
* re-exports any such software from a foreign destination, Licensee shall
* ensure that the distribution and export/re-export of the software is in
#define _COMPONENT ACPI_EVENTS
ACPI_MODULE_NAME ("evsci")
+#if (!ACPI_REDUCED_HARDWARE) /* Entire module */
+
/* Local prototypes */
static UINT32 ACPI_SYSTEM_XFACE
void *Context);
+/*******************************************************************************
+ *
+ * FUNCTION: AcpiEvSciDispatch
+ *
+ * PARAMETERS: None
+ *
+ * RETURN: Status code indicates whether interrupt was handled.
+ *
+ * DESCRIPTION: Dispatch the SCI to all host-installed SCI handlers.
+ *
+ ******************************************************************************/
+
+UINT32
+AcpiEvSciDispatch (
+ void)
+{
+ ACPI_SCI_HANDLER_INFO *SciHandler;
+ ACPI_CPU_FLAGS Flags;
+ UINT32 IntStatus = ACPI_INTERRUPT_NOT_HANDLED;
+
+
+ ACPI_FUNCTION_NAME (EvSciDispatch);
+
+
+ /* Are there any host-installed SCI handlers? */
+
+ if (!AcpiGbl_SciHandlerList)
+ {
+ return (IntStatus);
+ }
+
+ Flags = AcpiOsAcquireLock (AcpiGbl_GpeLock);
+
+ /* Invoke all host-installed SCI handlers */
+
+ SciHandler = AcpiGbl_SciHandlerList;
+ while (SciHandler)
+ {
+ /* Invoke the installed handler (at interrupt level) */
+
+ IntStatus |= SciHandler->Address (
+ SciHandler->Context);
+
+ SciHandler = SciHandler->Next;
+ }
+
+ AcpiOsReleaseLock (AcpiGbl_GpeLock, Flags);
+ return (IntStatus);
+}
+
+
/*******************************************************************************
*
* FUNCTION: AcpiEvSciXruptHandler
/*
- * We are guaranteed by the ACPI CA initialization/shutdown code that
+ * We are guaranteed by the ACPICA initialization/shutdown code that
* if this interrupt handler is installed, ACPI is enabled.
*/
*/
InterruptHandled |= AcpiEvGpeDetect (GpeXruptList);
+ /* Invoke all host-installed SCI handlers */
+
+ InterruptHandled |= AcpiEvSciDispatch ();
+
AcpiSciCount++;
return_UINT32 (InterruptHandled);
}
/*
- * We are guaranteed by the ACPI CA initialization/shutdown code that
+ * We are guaranteed by the ACPICA initialization/shutdown code that
* if this interrupt handler is installed, ACPI is enabled.
*/
/* GPEs: Check for and dispatch any GPEs that have occurred */
InterruptHandled |= AcpiEvGpeDetect (GpeXruptList);
-
return_UINT32 (InterruptHandled);
}
/******************************************************************************
*
- * FUNCTION: AcpiEvRemoveSciHandler
+ * FUNCTION: AcpiEvRemoveAllSciHandlers
*
* PARAMETERS: none
*
- * RETURN: E_OK if handler uninstalled OK, E_ERROR if handler was not
+ * RETURN: AE_OK if handler uninstalled, AE_ERROR if handler was not
* installed to begin with
*
* DESCRIPTION: Remove the SCI interrupt handler. No further SCIs will be
- * taken.
+ * taken. Remove all host-installed SCI handlers.
*
* Note: It doesn't seem important to disable all events or set the event
* enable registers to their original values. The OS should disable
******************************************************************************/
ACPI_STATUS
-AcpiEvRemoveSciHandler (
+AcpiEvRemoveAllSciHandlers (
void)
{
+ ACPI_SCI_HANDLER_INFO *SciHandler;
+ ACPI_CPU_FLAGS Flags;
ACPI_STATUS Status;
- ACPI_FUNCTION_TRACE (EvRemoveSciHandler);
+ ACPI_FUNCTION_TRACE (EvRemoveAllSciHandlers);
/* Just let the OS remove the handler and disable the level */
Status = AcpiOsRemoveInterruptHandler ((UINT32) AcpiGbl_FADT.SciInterrupt,
AcpiEvSciXruptHandler);
+ if (!AcpiGbl_SciHandlerList)
+ {
+ return (Status);
+ }
+
+ Flags = AcpiOsAcquireLock (AcpiGbl_GpeLock);
+
+ /* Free all host-installed SCI handlers */
+
+ while (AcpiGbl_SciHandlerList)
+ {
+ SciHandler = AcpiGbl_SciHandlerList;
+ AcpiGbl_SciHandlerList = SciHandler->Next;
+ ACPI_FREE (SciHandler);
+ }
+
+ AcpiOsReleaseLock (AcpiGbl_GpeLock, Flags);
return_ACPI_STATUS (Status);
}
-
+#endif /* !ACPI_REDUCED_HARDWARE */
projects / reactos.git / blobdiff