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C++ AcpiEvGetGpeEventInfo函数代码示例

原作者: [db:作者] 来自: [db:来源] 收藏 邀请

本文整理汇总了C++中AcpiEvGetGpeEventInfo函数的典型用法代码示例。如果您正苦于以下问题：C++ AcpiEvGetGpeEventInfo函数的具体用法？C++ AcpiEvGetGpeEventInfo怎么用？C++ AcpiEvGetGpeEventInfo使用的例子？那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。



在下文中一共展示了AcpiEvGetGpeEventInfo函数的20个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于我们的系统推荐出更棒的C++代码示例。

示例1: AcpiDisableGpe

ACPI_STATUS
AcpiDisableGpe (
    ACPI_HANDLE             GpeDevice,
    UINT32                  GpeNumber)
{
    ACPI_STATUS             Status = AE_BAD_PARAMETER;
    ACPI_GPE_EVENT_INFO     *GpeEventInfo;
    ACPI_CPU_FLAGS          Flags;


    ACPI_FUNCTION_TRACE (AcpiDisableGpe);


    Flags = AcpiOsAcquireLock (AcpiGbl_GpeLock);

    /* Ensure that we have a valid GPE number */

    GpeEventInfo = AcpiEvGetGpeEventInfo (GpeDevice, GpeNumber);
    if (GpeEventInfo)
    {
        Status = AcpiEvRemoveGpeReference (GpeEventInfo);
    }

    AcpiOsReleaseLock (AcpiGbl_GpeLock, Flags);
    return_ACPI_STATUS (Status);
}
开发者ID:matter123，项目名称:mossy，代码行数:26，代码来源:evxfgpe.c


示例2: AcpiFinishGpe

ACPI_STATUS
AcpiFinishGpe (
    ACPI_HANDLE             GpeDevice,
    UINT32                  GpeNumber)
{
    ACPI_GPE_EVENT_INFO     *GpeEventInfo;
    ACPI_STATUS             Status;
    ACPI_CPU_FLAGS          Flags;


    ACPI_FUNCTION_TRACE (AcpiFinishGpe);


    Flags = AcpiOsAcquireLock (AcpiGbl_GpeLock);

    /* Ensure that we have a valid GPE number */

    GpeEventInfo = AcpiEvGetGpeEventInfo (GpeDevice, GpeNumber);
    if (!GpeEventInfo)
    {
        Status = AE_BAD_PARAMETER;
        goto UnlockAndExit;
    }

    Status = AcpiEvFinishGpe (GpeEventInfo);

UnlockAndExit:
    AcpiOsReleaseLock (AcpiGbl_GpeLock, Flags);
    return_ACPI_STATUS (Status);
}
开发者ID:matter123，项目名称:mossy，代码行数:30，代码来源:evxfgpe.c


示例3: AcpiMarkGpeForWake

ACPI_STATUS
AcpiMarkGpeForWake (
    ACPI_HANDLE             GpeDevice,
    UINT32                  GpeNumber)
{
    ACPI_GPE_EVENT_INFO     *GpeEventInfo;
    ACPI_STATUS             Status = AE_BAD_PARAMETER;
    ACPI_CPU_FLAGS          Flags;


    ACPI_FUNCTION_TRACE (AcpiMarkGpeForWake);


    Flags = AcpiOsAcquireLock (AcpiGbl_GpeLock);

    /* Ensure that we have a valid GPE number */

    GpeEventInfo = AcpiEvGetGpeEventInfo (GpeDevice, GpeNumber);
    if (GpeEventInfo)
    {
        /* Mark the GPE as a possible wake event */

        GpeEventInfo->Flags |= ACPI_GPE_CAN_WAKE;
        Status = AE_OK;
    }

    AcpiOsReleaseLock (AcpiGbl_GpeLock, Flags);
    return_ACPI_STATUS (Status);
}
开发者ID:matter123，项目名称:mossy，代码行数:29，代码来源:evxfgpe.c


示例4: AcpiDbGenerateGpe

void
AcpiDbGenerateGpe (
    char                    *GpeArg,
    char                    *BlockArg)
{
    UINT32                  BlockNumber = 0;
    UINT32                  GpeNumber;
    ACPI_GPE_EVENT_INFO     *GpeEventInfo;


    GpeNumber = ACPI_STRTOUL (GpeArg, NULL, 0);

    /*
     * If no block arg, or block arg == 0 or 1, use the FADT-defined
     * GPE blocks.
     */
    if (BlockArg)
    {
        BlockNumber = ACPI_STRTOUL (BlockArg, NULL, 0);
        if (BlockNumber == 1)
        {
            BlockNumber = 0;
        }
    }

    GpeEventInfo = AcpiEvGetGpeEventInfo (ACPI_TO_POINTER (BlockNumber),
        GpeNumber);
    if (!GpeEventInfo)
    {
        AcpiOsPrintf ("Invalid GPE\n");
        return;
    }

    (void) AcpiEvGpeDispatch (NULL, GpeEventInfo, GpeNumber);
}
开发者ID:zenny，项目名称:DragonFlyBSD，代码行数:35，代码来源:dbcmds.c


示例5: AcpiSetGpeType

ACPI_STATUS
AcpiSetGpeType (
    ACPI_HANDLE             GpeDevice,
    UINT32                  GpeNumber,
    UINT8                   Type)
{
    ACPI_STATUS             Status = AE_OK;
    ACPI_GPE_EVENT_INFO     *GpeEventInfo;


    ACPI_FUNCTION_TRACE (AcpiSetGpeType);


    /* Ensure that we have a valid GPE number */

    GpeEventInfo = AcpiEvGetGpeEventInfo (GpeDevice, GpeNumber);
    if (!GpeEventInfo)
    {
        Status = AE_BAD_PARAMETER;
        goto UnlockAndExit;
    }

    if ((GpeEventInfo->Flags & ACPI_GPE_TYPE_MASK) == Type)
    {
        return_ACPI_STATUS (AE_OK);
    }

    /* Set the new type (will disable GPE if currently enabled) */

    Status = AcpiEvSetGpeType (GpeEventInfo, Type);

UnlockAndExit:
    return_ACPI_STATUS (Status);
}
开发者ID:mmanley，项目名称:Antares，代码行数:34，代码来源:evxfevnt.c


示例6: AcpiGetGpeStatus

ACPI_STATUS
AcpiGetGpeStatus (
    ACPI_HANDLE             GpeDevice,
    UINT32                  GpeNumber,
    ACPI_EVENT_STATUS       *EventStatus)
{
    ACPI_STATUS             Status = AE_OK;
    ACPI_GPE_EVENT_INFO     *GpeEventInfo;
    ACPI_CPU_FLAGS          Flags;


    ACPI_FUNCTION_TRACE (AcpiGetGpeStatus);


    Flags = AcpiOsAcquireLock (AcpiGbl_GpeLock);

    /* Ensure that we have a valid GPE number */

    GpeEventInfo = AcpiEvGetGpeEventInfo (GpeDevice, GpeNumber);
    if (!GpeEventInfo)
    {
        Status = AE_BAD_PARAMETER;
        goto UnlockAndExit;
    }

    /* Obtain status on the requested GPE number */

    Status = AcpiHwGetGpeStatus (GpeEventInfo, EventStatus);

UnlockAndExit:
    AcpiOsReleaseLock (AcpiGbl_GpeLock, Flags);
    return_ACPI_STATUS (Status);
}
开发者ID:matter123，项目名称:mossy，代码行数:33，代码来源:evxfgpe.c


示例7: AcpiGpeWakeup

ACPI_STATUS
AcpiGpeWakeup (
    ACPI_HANDLE             GpeDevice,
    UINT32                  GpeNumber,
    UINT8                   Action)
{
    ACPI_STATUS             Status = AE_OK;
    ACPI_GPE_EVENT_INFO     *GpeEventInfo;
    ACPI_GPE_REGISTER_INFO  *GpeRegisterInfo;
    ACPI_CPU_FLAGS          Flags;
    UINT32                  RegisterBit;


    ACPI_FUNCTION_TRACE (AcpiGpeWakeup);


    Flags = AcpiOsAcquireLock (AcpiGbl_GpeLock);

    /* Ensure that we have a valid GPE number */

    GpeEventInfo = AcpiEvGetGpeEventInfo (GpeDevice, GpeNumber);
    if (!GpeEventInfo)
    {
        Status = AE_BAD_PARAMETER;
        goto UnlockAndExit;
    }

    GpeRegisterInfo = GpeEventInfo->RegisterInfo;
    if (!GpeRegisterInfo)
    {
        Status = AE_NOT_EXIST;
        goto UnlockAndExit;
    }

    RegisterBit = AcpiHwGetGpeRegisterBit (GpeEventInfo, GpeRegisterInfo);

    /* Perform the action */

    switch (Action)
    {
    case ACPI_GPE_ENABLE:
        ACPI_SET_BIT (GpeRegisterInfo->EnableForWake, (UINT8) RegisterBit);
        break;

    case ACPI_GPE_DISABLE:
        ACPI_CLEAR_BIT (GpeRegisterInfo->EnableForWake, (UINT8) RegisterBit);
        break;

    default:
        ACPI_ERROR ((AE_INFO, "%u, Invalid action", Action));
        Status = AE_BAD_PARAMETER;
        break;
    }

UnlockAndExit:
    AcpiOsReleaseLock (AcpiGbl_GpeLock, Flags);
    return_ACPI_STATUS (Status);
}
开发者ID:CoryXie，项目名称:CellOS，代码行数:58，代码来源:evxfevnt.c


示例8: AcpiClearEvent

ACPI_STATUS
AcpiClearEvent (
    UINT32                  Event,
    UINT32                  Type)
{
    ACPI_STATUS             Status = AE_OK;
    ACPI_GPE_EVENT_INFO     *GpeEventInfo;


    ACPI_FUNCTION_TRACE ("AcpiClearEvent");


    /* The Type must be either Fixed Event or GPE */

    switch (Type)
    {
    case ACPI_EVENT_FIXED:

        /* Decode the Fixed Event */

        if (Event > ACPI_EVENT_MAX)
        {
            return_ACPI_STATUS (AE_BAD_PARAMETER);
        }

        /*
         * Clear the requested fixed event (By writing a one to the
         * status register bit)
         */
        Status = AcpiSetRegister (AcpiGbl_FixedEventInfo[Event].StatusRegisterId,
                1, ACPI_MTX_LOCK);
        break;


    case ACPI_EVENT_GPE:

        /* Ensure that we have a valid GPE number */

        GpeEventInfo = AcpiEvGetGpeEventInfo (Event);
        if (!GpeEventInfo)
        {
            return_ACPI_STATUS (AE_BAD_PARAMETER);
        }

        Status = AcpiHwClearGpe (GpeEventInfo);
        break;


    default:

        Status = AE_BAD_PARAMETER;
    }

    return_ACPI_STATUS (Status);
}
开发者ID:UnitedMarsupials，项目名称:kame，代码行数:55，代码来源:evxfevnt.c


示例9: AcpiSetGpe

ACPI_STATUS
AcpiSetGpe (
    ACPI_HANDLE             GpeDevice,
    UINT32                  GpeNumber,
    UINT8                   Action)
{
    ACPI_GPE_EVENT_INFO     *GpeEventInfo;
    ACPI_STATUS             Status;
    ACPI_CPU_FLAGS          Flags;


    ACPI_FUNCTION_TRACE (AcpiSetGpe);


    Flags = AcpiOsAcquireLock (AcpiGbl_GpeLock);

    /* Ensure that we have a valid GPE number */

    GpeEventInfo = AcpiEvGetGpeEventInfo (GpeDevice, GpeNumber);
    if (!GpeEventInfo)
    {
        Status = AE_BAD_PARAMETER;
        goto UnlockAndExit;
    }

    /* Perform the action */

    switch (Action)
    {
    case ACPI_GPE_ENABLE:

        Status = AcpiHwLowSetGpe (GpeEventInfo, ACPI_GPE_ENABLE);
        GpeEventInfo->DisableForDispatch = FALSE;
        break;

    case ACPI_GPE_DISABLE:

        Status = AcpiHwLowSetGpe (GpeEventInfo, ACPI_GPE_DISABLE);
        GpeEventInfo->DisableForDispatch = TRUE;
        break;

    default:

        Status = AE_BAD_PARAMETER;
        break;
    }

UnlockAndExit:
    AcpiOsReleaseLock (AcpiGbl_GpeLock, Flags);
    return_ACPI_STATUS (Status);
}
开发者ID:9elements，项目名称:fwts，代码行数:51，代码来源:evxfgpe.c


示例10: AcpiDisableGpe

ACPI_STATUS
AcpiDisableGpe (
    ACPI_HANDLE             GpeDevice,
    UINT32                  GpeNumber)
{
    ACPI_STATUS             Status = AE_OK;
    ACPI_GPE_EVENT_INFO     *GpeEventInfo;
    ACPI_CPU_FLAGS          Flags;


    ACPI_FUNCTION_TRACE (AcpiDisableGpe);


    Flags = AcpiOsAcquireLock (AcpiGbl_GpeLock);

    /* Ensure that we have a valid GPE number */

    GpeEventInfo = AcpiEvGetGpeEventInfo (GpeDevice, GpeNumber);
    if (!GpeEventInfo)
    {
        Status = AE_BAD_PARAMETER;
        goto UnlockAndExit;
    }

    /* Hardware-disable a runtime GPE on removal of the last reference */

    if (!GpeEventInfo->RuntimeCount)
    {
        Status = AE_LIMIT; /* There are no references to remove */
        goto UnlockAndExit;
    }

    GpeEventInfo->RuntimeCount--;
    if (!GpeEventInfo->RuntimeCount)
    {
        Status = AcpiEvUpdateGpeEnableMask (GpeEventInfo);
        if (ACPI_SUCCESS (Status))
        {
            Status = AcpiHwLowSetGpe (GpeEventInfo, ACPI_GPE_DISABLE);
        }
        if (ACPI_FAILURE (Status))
        {
            GpeEventInfo->RuntimeCount++;
        }
    }

UnlockAndExit:
    AcpiOsReleaseLock (AcpiGbl_GpeLock, Flags);
    return_ACPI_STATUS (Status);
}
开发者ID:CoryXie，项目名称:CellOS，代码行数:50，代码来源:evxfevnt.c


示例11: AcpiEnableGpe

ACPI_STATUS
AcpiEnableGpe (
    ACPI_HANDLE             GpeDevice,
    UINT32                  GpeNumber)
{
    ACPI_STATUS             Status = AE_OK;
    ACPI_GPE_EVENT_INFO     *GpeEventInfo;
    ACPI_CPU_FLAGS          Flags;


    ACPI_FUNCTION_TRACE (AcpiEnableGpe);


    Flags = AcpiOsAcquireLock (AcpiGbl_GpeLock);

    /* Ensure that we have a valid GPE number */

    GpeEventInfo = AcpiEvGetGpeEventInfo (GpeDevice, GpeNumber);
    if (!GpeEventInfo)
    {
        Status = AE_BAD_PARAMETER;
        goto UnlockAndExit;
    }

    if (GpeEventInfo->RuntimeCount == ACPI_UINT8_MAX)
    {
        Status = AE_LIMIT; /* Too many references */
        goto UnlockAndExit;
    }

    GpeEventInfo->RuntimeCount++;
    if (GpeEventInfo->RuntimeCount == 1)
    {
        Status = AcpiEvUpdateGpeEnableMask (GpeEventInfo);
        if (ACPI_SUCCESS (Status))
        {
            Status = AcpiEvEnableGpe (GpeEventInfo);
        }
        if (ACPI_FAILURE (Status))
        {
            GpeEventInfo->RuntimeCount--;
        }
    }

UnlockAndExit:
    AcpiOsReleaseLock (AcpiGbl_GpeLock, Flags);
    return_ACPI_STATUS (Status);
}
开发者ID:CoryXie，项目名称:CellOS，代码行数:48，代码来源:evxfevnt.c


示例12: AcpiEnableGpe

ACPI_STATUS
AcpiEnableGpe (
    ACPI_HANDLE             GpeDevice,
    UINT32                  GpeNumber)
{
    ACPI_STATUS             Status = AE_BAD_PARAMETER;
    ACPI_GPE_EVENT_INFO     *GpeEventInfo;
    ACPI_CPU_FLAGS          Flags;


    ACPI_FUNCTION_TRACE (AcpiEnableGpe);


    Flags = AcpiOsAcquireLock (AcpiGbl_GpeLock);

    /*
     * Ensure that we have a valid GPE number and that there is some way
     * of handling the GPE (handler or a GPE method). In other words, we
     * won't allow a valid GPE to be enabled if there is no way to handle it.
     */
    GpeEventInfo = AcpiEvGetGpeEventInfo (GpeDevice, GpeNumber);
    if (GpeEventInfo)
    {
        if (ACPI_GPE_DISPATCH_TYPE (GpeEventInfo->Flags) !=
            ACPI_GPE_DISPATCH_NONE)
        {
            Status = AcpiEvAddGpeReference (GpeEventInfo);
            if (ACPI_SUCCESS (Status) &&
                ACPI_GPE_IS_POLLING_NEEDED (GpeEventInfo))
            {
                /* Poll edge-triggered GPEs to handle existing events */

                AcpiOsReleaseLock (AcpiGbl_GpeLock, Flags);
                (void) AcpiEvDetectGpe (
                    GpeDevice, GpeEventInfo, GpeNumber);
                Flags = AcpiOsAcquireLock (AcpiGbl_GpeLock);
            }
        }
        else
        {
            Status = AE_NO_HANDLER;
        }
    }

    AcpiOsReleaseLock (AcpiGbl_GpeLock, Flags);
    return_ACPI_STATUS (Status);
}
开发者ID:9elements，项目名称:fwts，代码行数:47，代码来源:evxfgpe.c


示例13: AcpiGetGpeStatus

ACPI_STATUS
AcpiGetGpeStatus (
    ACPI_HANDLE             GpeDevice,
    UINT32                  GpeNumber,
    UINT32                  Flags,
    ACPI_EVENT_STATUS       *EventStatus)
{
    ACPI_STATUS             Status = AE_OK;
    ACPI_GPE_EVENT_INFO     *GpeEventInfo;


    ACPI_FUNCTION_TRACE (AcpiGetGpeStatus);


    /* Use semaphore lock if not executing at interrupt level */

    if (Flags & ACPI_NOT_ISR)
    {
        Status = AcpiUtAcquireMutex (ACPI_MTX_EVENTS);
        if (ACPI_FAILURE (Status))
        {
            return_ACPI_STATUS (Status);
        }
    }

    /* Ensure that we have a valid GPE number */

    GpeEventInfo = AcpiEvGetGpeEventInfo (GpeDevice, GpeNumber);
    if (!GpeEventInfo)
    {
        Status = AE_BAD_PARAMETER;
        goto UnlockAndExit;
    }

    /* Obtain status on the requested GPE number */

    Status = AcpiHwGetGpeStatus (GpeEventInfo, EventStatus);

UnlockAndExit:
    if (Flags & ACPI_NOT_ISR)
    {
        (void) AcpiUtReleaseMutex (ACPI_MTX_EVENTS);
    }
    return_ACPI_STATUS (Status);
}
开发者ID:mmanley，项目名称:Antares，代码行数:45，代码来源:evxfevnt.c


示例14: AcpiEnableGpe

ACPI_STATUS
AcpiEnableGpe (
    ACPI_HANDLE             GpeDevice,
    UINT32                  GpeNumber)
{
    ACPI_STATUS             Status = AE_BAD_PARAMETER;
    ACPI_GPE_EVENT_INFO     *GpeEventInfo;
    ACPI_CPU_FLAGS          Flags;


    ACPI_FUNCTION_TRACE (AcpiEnableGpe);


    Flags = AcpiOsAcquireLock (AcpiGbl_GpeLock);

    /*
     * Ensure that we have a valid GPE number and that there is some way
     * of handling the GPE (handler or a GPE method). In other words, we
     * won't allow a valid GPE to be enabled if there is no way to handle it.
     */
    GpeEventInfo = AcpiEvGetGpeEventInfo (GpeDevice, GpeNumber);
    if (GpeEventInfo)
    {
        if ((GpeEventInfo->Flags & ACPI_GPE_DISPATCH_MASK) !=
            ACPI_GPE_DISPATCH_NONE)
        {
            Status = AcpiEvAddGpeReference (GpeEventInfo);
        }
        else
        {
            Status = AE_NO_HANDLER;
        }
    }

    AcpiOsReleaseLock (AcpiGbl_GpeLock, Flags);
    return_ACPI_STATUS (Status);
}
开发者ID:victoredwardocallaghan，项目名称:DragonFlyBSD，代码行数:37，代码来源:evxfgpe.c


示例15: AcpiDbGenerateGpe

void
AcpiDbGenerateGpe (
    char                    *GpeArg,
    char                    *BlockArg)
{
    UINT32                  BlockNumber;
    UINT32                  GpeNumber;
    ACPI_GPE_EVENT_INFO     *GpeEventInfo;


    GpeNumber   = ACPI_STRTOUL (GpeArg, NULL, 0);
    BlockNumber = ACPI_STRTOUL (BlockArg, NULL, 0);


    GpeEventInfo = AcpiEvGetGpeEventInfo (ACPI_TO_POINTER (BlockNumber),
        GpeNumber);
    if (!GpeEventInfo)
    {
        AcpiOsPrintf ("Invalid GPE\n");
        return;
    }

    (void) AcpiEvGpeDispatch (NULL, GpeEventInfo, GpeNumber);
}
开发者ID:dmarion，项目名称:freebsd-armv6-sys，代码行数:24，代码来源:dbcmds.c


示例16: AcpiEnableGpe

ACPI_STATUS
AcpiEnableGpe (
    ACPI_HANDLE             GpeDevice,
    UINT32                  GpeNumber,
    UINT8                   GpeType)
{
    ACPI_STATUS             Status = AE_OK;
    ACPI_GPE_EVENT_INFO     *GpeEventInfo;
    ACPI_CPU_FLAGS          Flags;


    ACPI_FUNCTION_TRACE (AcpiEnableGpe);


    /* Parameter validation */

    if (!GpeType || (GpeType & ~ACPI_GPE_TYPE_WAKE_RUN))
    {
        return_ACPI_STATUS (AE_BAD_PARAMETER);
    }

    Flags = AcpiOsAcquireLock (AcpiGbl_GpeLock);

    /* Ensure that we have a valid GPE number */

    GpeEventInfo = AcpiEvGetGpeEventInfo (GpeDevice, GpeNumber);
    if (!GpeEventInfo)
    {
        Status = AE_BAD_PARAMETER;
        goto UnlockAndExit;
    }

    if (GpeType & ACPI_GPE_TYPE_RUNTIME)
    {
        if (GpeEventInfo->RuntimeCount == ACPI_UINT8_MAX)
        {
            Status = AE_LIMIT; /* Too many references */
            goto UnlockAndExit;
        }

        GpeEventInfo->RuntimeCount++;
        if (GpeEventInfo->RuntimeCount == 1)
        {
            Status = AcpiEvEnableGpe (GpeEventInfo);
            if (ACPI_FAILURE (Status))
            {
                GpeEventInfo->RuntimeCount--;
                goto UnlockAndExit;
            }
        }
    }

    if (GpeType & ACPI_GPE_TYPE_WAKE)
    {
        /* The GPE must have the ability to wake the system */

        if (!(GpeEventInfo->Flags & ACPI_GPE_CAN_WAKE))
        {
            Status = AE_TYPE;
            goto UnlockAndExit;
        }

        if (GpeEventInfo->WakeupCount == ACPI_UINT8_MAX)
        {
            Status = AE_LIMIT; /* Too many references */
            goto UnlockAndExit;
        }

        /*
         * Update the enable mask on the first wakeup reference. Wake GPEs
         * are only hardware-enabled just before sleeping.
         */
        GpeEventInfo->WakeupCount++;
        if (GpeEventInfo->WakeupCount == 1)
        {
            (void) AcpiEvUpdateGpeEnableMasks (GpeEventInfo);
        }
    }

UnlockAndExit:
    AcpiOsReleaseLock (AcpiGbl_GpeLock, Flags);
    return_ACPI_STATUS (Status);
}
开发者ID:iversonjimmy，项目名称:acer_cloud_wifi_copy，代码行数:83，代码来源:evxfevnt.c


示例17: AcpiEvInstallGpeHandler

static ACPI_STATUS
AcpiEvInstallGpeHandler (
    ACPI_HANDLE             GpeDevice,
    UINT32                  GpeNumber,
    UINT32                  Type,
    BOOLEAN                 IsRawHandler,
    ACPI_GPE_HANDLER        Address,
    void                    *Context)
{
    ACPI_GPE_EVENT_INFO     *GpeEventInfo;
    ACPI_GPE_HANDLER_INFO   *Handler;
    ACPI_STATUS             Status;
    ACPI_CPU_FLAGS          Flags;


    ACPI_FUNCTION_TRACE (EvInstallGpeHandler);


    /* Parameter validation */

    if ((!Address) || (Type & ~ACPI_GPE_XRUPT_TYPE_MASK))
    {
        return_ACPI_STATUS (AE_BAD_PARAMETER);
    }

    Status = AcpiUtAcquireMutex (ACPI_MTX_EVENTS);
    if (ACPI_FAILURE (Status))
    {
        return_ACPI_STATUS (Status);
    }

    /* Allocate and init handler object (before lock) */

    Handler = ACPI_ALLOCATE_ZEROED (sizeof (ACPI_GPE_HANDLER_INFO));
    if (!Handler)
    {
        Status = AE_NO_MEMORY;
        goto UnlockAndExit;
    }

    Flags = AcpiOsAcquireLock (AcpiGbl_GpeLock);

    /* Ensure that we have a valid GPE number */

    GpeEventInfo = AcpiEvGetGpeEventInfo (GpeDevice, GpeNumber);
    if (!GpeEventInfo)
    {
        Status = AE_BAD_PARAMETER;
        goto FreeAndExit;
    }

    /* Make sure that there isn't a handler there already */

    if ((ACPI_GPE_DISPATCH_TYPE (GpeEventInfo->Flags) ==
            ACPI_GPE_DISPATCH_HANDLER) ||
        (ACPI_GPE_DISPATCH_TYPE (GpeEventInfo->Flags) ==
            ACPI_GPE_DISPATCH_RAW_HANDLER))
    {
        Status = AE_ALREADY_EXISTS;
        goto FreeAndExit;
    }

    Handler->Address = Address;
    Handler->Context = Context;
    Handler->MethodNode = GpeEventInfo->Dispatch.MethodNode;
    Handler->OriginalFlags = (UINT8) (GpeEventInfo->Flags &
        (ACPI_GPE_XRUPT_TYPE_MASK | ACPI_GPE_DISPATCH_MASK));

    /*
     * If the GPE is associated with a method, it may have been enabled
     * automatically during initialization, in which case it has to be
     * disabled now to avoid spurious execution of the handler.
     */
    if (((ACPI_GPE_DISPATCH_TYPE (Handler->OriginalFlags) ==
            ACPI_GPE_DISPATCH_METHOD) ||
         (ACPI_GPE_DISPATCH_TYPE (Handler->OriginalFlags) ==
            ACPI_GPE_DISPATCH_NOTIFY)) &&
        GpeEventInfo->RuntimeCount)
    {
        Handler->OriginallyEnabled = TRUE;
        (void) AcpiEvRemoveGpeReference (GpeEventInfo);

        /* Sanity check of original type against new type */

        if (Type != (UINT32) (GpeEventInfo->Flags & ACPI_GPE_XRUPT_TYPE_MASK))
        {
            ACPI_WARNING ((AE_INFO, "GPE type mismatch (level/edge)"));
        }
    }

    /* Install the handler */

    GpeEventInfo->Dispatch.Handler = Handler;

    /* Setup up dispatch flags to indicate handler (vs. method/notify) */

    GpeEventInfo->Flags &= ~(ACPI_GPE_XRUPT_TYPE_MASK | ACPI_GPE_DISPATCH_MASK);
    GpeEventInfo->Flags |= (UINT8) (Type | (IsRawHandler ?
        ACPI_GPE_DISPATCH_RAW_HANDLER : ACPI_GPE_DISPATCH_HANDLER));

//.........这里部分代码省略.........
开发者ID:ikitayama，项目名称:acpica-tools，代码行数:101，代码来源:evxface.c


示例18: AcpiRemoveGpeHandler

ACPI_STATUS
AcpiRemoveGpeHandler (
    ACPI_HANDLE             GpeDevice,
    UINT32                  GpeNumber,
    ACPI_GPE_HANDLER        Address)
{
    ACPI_GPE_EVENT_INFO     *GpeEventInfo;
    ACPI_GPE_HANDLER_INFO   *Handler;
    ACPI_STATUS             Status;
    ACPI_CPU_FLAGS          Flags;


    ACPI_FUNCTION_TRACE (AcpiRemoveGpeHandler);


    /* Parameter validation */

    if (!Address)
    {
        return_ACPI_STATUS (AE_BAD_PARAMETER);
    }

    Status = AcpiUtAcquireMutex (ACPI_MTX_EVENTS);
    if (ACPI_FAILURE (Status))
    {
        return_ACPI_STATUS (Status);
    }

    Flags = AcpiOsAcquireLock (AcpiGbl_GpeLock);

    /* Ensure that we have a valid GPE number */

    GpeEventInfo = AcpiEvGetGpeEventInfo (GpeDevice, GpeNumber);
    if (!GpeEventInfo)
    {
        Status = AE_BAD_PARAMETER;
        goto UnlockAndExit;
    }

    /* Make sure that a handler is indeed installed */

    if ((ACPI_GPE_DISPATCH_TYPE (GpeEventInfo->Flags) !=
            ACPI_GPE_DISPATCH_HANDLER) &&
        (ACPI_GPE_DISPATCH_TYPE (GpeEventInfo->Flags) !=
            ACPI_GPE_DISPATCH_RAW_HANDLER))
    {
        Status = AE_NOT_EXIST;
        goto UnlockAndExit;
    }

    /* Make sure that the installed handler is the same */

    if (GpeEventInfo->Dispatch.Handler->Address != Address)
    {
        Status = AE_BAD_PARAMETER;
        goto UnlockAndExit;
    }

    /* Remove the handler */

    Handler = GpeEventInfo->Dispatch.Handler;
    GpeEventInfo->Dispatch.Handler = NULL;

    /* Restore Method node (if any), set dispatch flags */

    GpeEventInfo->Dispatch.MethodNode = Handler->MethodNode;
    GpeEventInfo->Flags &=
        ~(ACPI_GPE_XRUPT_TYPE_MASK | ACPI_GPE_DISPATCH_MASK);
    GpeEventInfo->Flags |= Handler->OriginalFlags;

    /*
     * If the GPE was previously associated with a method and it was
     * enabled, it should be enabled at this point to restore the
     * post-initialization configuration.
     */
    if (((ACPI_GPE_DISPATCH_TYPE (Handler->OriginalFlags) ==
            ACPI_GPE_DISPATCH_METHOD) ||
         (ACPI_GPE_DISPATCH_TYPE (Handler->OriginalFlags) ==
            ACPI_GPE_DISPATCH_NOTIFY)) &&
        Handler->OriginallyEnabled)
    {
        (void) AcpiEvAddGpeReference (GpeEventInfo);
    }

    AcpiOsReleaseLock (AcpiGbl_GpeLock, Flags);
    (void) AcpiUtReleaseMutex (ACPI_MTX_EVENTS);

    /* Make sure all deferred GPE tasks are completed */

    AcpiOsWaitEventsComplete ();

    /* Now we can free the handler object */

    ACPI_FREE (Handler);
    return_ACPI_STATUS (Status);

UnlockAndExit:
    AcpiOsReleaseLock (AcpiGbl_GpeLock, Flags);
    (void) AcpiUtReleaseMutex (ACPI_MTX_EVENTS);
    return_ACPI_STATUS (Status);
//.........这里部分代码省略.........
开发者ID:ikitayama，项目名称:acpica-tools，代码行数:101，代码来源:evxface.c


示例19: AcpiRemoveGpeHandler

ACPI_STATUS
AcpiRemoveGpeHandler (
    ACPI_HANDLE             GpeDevice,
    UINT32                  GpeNumber,
    ACPI_EVENT_HANDLER      Address)
{
    ACPI_GPE_EVENT_INFO     *GpeEventInfo;
    ACPI_HANDLER_INFO       *Handler;
    ACPI_STATUS             Status;
    ACPI_CPU_FLAGS          Flags;


    ACPI_FUNCTION_TRACE (AcpiRemoveGpeHandler);


    /* Parameter validation */

    if (!Address)
    {
        return_ACPI_STATUS (AE_BAD_PARAMETER);
    }

    Status = AcpiUtAcquireMutex (ACPI_MTX_EVENTS);
    if (ACPI_FAILURE (Status))
    {
        return_ACPI_STATUS (Status);
    }

    /* Ensure that we have a valid GPE number */

    GpeEventInfo = AcpiEvGetGpeEventInfo (GpeDevice, GpeNumber);
    if (!GpeEventInfo)
    {
        Status = AE_BAD_PARAMETER;
        goto UnlockAndExit;
    }

    /* Make sure that a handler is indeed installed */

    if ((GpeEventInfo->Flags & ACPI_GPE_DISPATCH_MASK) != ACPI_GPE_DISPATCH_HANDLER)
    {
        Status = AE_NOT_EXIST;
        goto UnlockAndExit;
    }

    /* Make sure that the installed handler is the same */

    if (GpeEventInfo->Dispatch.Handler->Address != Address)
    {
        Status = AE_BAD_PARAMETER;
        goto UnlockAndExit;
    }

    /* Disable the GPE before removing the handler */

    Status = AcpiEvDisableGpe (GpeEventInfo);
    if (ACPI_FAILURE (Status))
    {
        goto UnlockAndExit;
    }

    /* Remove the handler */

    Flags = AcpiOsAcquireLock (AcpiGbl_GpeLock);
    Handler = GpeEventInfo->Dispatch.Handler;

    /* Restore Method node (if any), set dispatch flags */

    GpeEventInfo->Dispatch.MethodNode = Handler->MethodNode;
    GpeEventInfo->Flags &= ~ACPI_GPE_DISPATCH_MASK;  /* Clear bits */
    if (Handler->MethodNode)
    {
        GpeEventInfo->Flags |= ACPI_GPE_DISPATCH_METHOD;
    }
    AcpiOsReleaseLock (AcpiGbl_GpeLock, Flags);

    /* Now we can free the handler object */

    ACPI_FREE (Handler);


UnlockAndExit:
    (void) AcpiUtReleaseMutex (ACPI_MTX_EVENTS);
    return_ACPI_STATUS (Status);
}
开发者ID:oza，项目名称:FreeBSD-7.3-dyntick，代码行数:85，代码来源:evxface.c


示例20: AcpiInstallGpeHandler

ACPI_STATUS
AcpiInstallGpeHandler (
    ACPI_HANDLE             GpeDevice,
    UINT32                  GpeNumber,
    UINT32                  Type,
    ACPI_EVENT_HANDLER      Address,
    void                    *Context)
{
    ACPI_GPE_EVENT_INFO     *GpeEventInfo;
    ACPI_HANDLER_INFO       *Handler;
    ACPI_STATUS             Status;
    ACPI_CPU_FLAGS          Flags;


    ACPI_FUNCTION_TRACE (AcpiInstallGpeHandler);


    /* Parameter validation */

    if ((!Address) || (Type > ACPI_GPE_XRUPT_TYPE_MASK))
    {
        return_ACPI_STATUS (AE_BAD_PARAMETER);
    }

    Status = AcpiUtAcquireMutex (ACPI_MTX_EVENTS);
    if (ACPI_FAILURE (Status))
    {
        return_ACPI_STATUS (Status);
    }

    /* Ensure that we have a valid GPE number */

    GpeEventInfo = AcpiEvGetGpeEventInfo (GpeDevice, GpeNumber);
    if (!GpeEventInfo)
    {
        Status = AE_BAD_PARAMETER;
        goto UnlockAndExit;
    }

    /* Make sure that there isn't a handler there already */

    if ((GpeEventInfo->Flags & ACPI_GPE_DISPATCH_MASK) == ACPI_GPE_DISPATCH_HANDLER)
    {
        Status = AE_ALREADY_EXISTS;
        goto UnlockAndExit;
    }

    /* Allocate and init handler object */

    Handler = ACPI_ALLOCATE_ZEROED (sizeof (ACPI_HANDLER_INFO));
    if (!Handler)
    {
        Status = AE_NO_MEMORY;
        goto UnlockAndExit;
    }

    Handler->Address    = Address;
    Handler->Context    = Context;
    Handler->MethodNode = GpeEventInfo->Dispatch.MethodNode;

    /* Disable the GPE before installing the handler */

    Status = AcpiEvDisableGpe (GpeEventInfo);
    if (ACPI_FAILURE (Status))
    {
        goto UnlockAndExit;
    }

    /* Install the handler */

    Flags = AcpiOsAcquireLock (AcpiGbl_GpeLock);
    GpeEventInfo->Dispatch.Handler = Handler;

    /* Setup up dispatch flags to indicate handler (vs. method) */

    GpeEventInfo->Flags &= ~(ACPI_GPE_XRUPT_TYPE_MASK | ACPI_GPE_DISPATCH_MASK);  /* Clear bits */
    GpeEventInfo->Flags |= (UINT8) (Type | ACPI_GPE_DISPATCH_HANDLER);

    AcpiOsReleaseLock (AcpiGbl_GpeLock, Flags);


UnlockAndExit:
    (void) AcpiUtReleaseMutex (ACPI_MTX_EVENTS);
    return_ACPI_STATUS (Status);
}
开发者ID:oza，项目名称:FreeBSD-7.3-dyntick，代码行数:85，代码来源:evxface.c



注：本文中的AcpiEvGetGpeEventInfo函数示例整理自Github/MSDocs等源码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。

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