C++ AcpiOsReleaseLock函数代码示例

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本文整理汇总了C++中AcpiOsReleaseLock函数的典型用法代码示例。如果您正苦于以下问题：C++ AcpiOsReleaseLock函数的具体用法？C++ AcpiOsReleaseLock怎么用？C++ AcpiOsReleaseLock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AcpiOsReleaseLock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: AcpiEvWalkGpeList

ACPI_STATUS
AcpiEvWalkGpeList (
    ACPI_GPE_CALLBACK       GpeWalkCallback,
    void                    *Context)
{
    ACPI_GPE_BLOCK_INFO     *GpeBlock;
    ACPI_GPE_XRUPT_INFO     *GpeXruptInfo;
    ACPI_STATUS             Status = AE_OK;
    ACPI_CPU_FLAGS          Flags;


    ACPI_FUNCTION_TRACE (EvWalkGpeList);


    Flags = AcpiOsAcquireLock (AcpiGbl_GpeLock);

    /* Walk the interrupt level descriptor list */

    GpeXruptInfo = AcpiGbl_GpeXruptListHead;
    while (GpeXruptInfo)
    {
        /* Walk all Gpe Blocks attached to this interrupt level */

        GpeBlock = GpeXruptInfo->GpeBlockListHead;
        while (GpeBlock)
        {
            /* One callback per GPE block */

            Status = GpeWalkCallback (GpeXruptInfo, GpeBlock, Context);
            if (ACPI_FAILURE (Status))
            {
                if (Status == AE_CTRL_END) /* Callback abort */
                {
                    Status = AE_OK;
                }
                goto UnlockAndExit;
            }

            GpeBlock = GpeBlock->Next;
        }

        GpeXruptInfo = GpeXruptInfo->Next;
    }

UnlockAndExit:
    AcpiOsReleaseLock (AcpiGbl_GpeLock, Flags);
    return_ACPI_STATUS (Status);
}

开发者ID:2asoft，项目名称:freebsd，代码行数:48，代码来源:evgpeutil.c

示例2: 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3: 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 = AcpiEvEnableGpe (GpeEventInfo);
        break;

    case ACPI_GPE_DISABLE:
        Status = AcpiHwLowSetGpe (GpeEventInfo, ACPI_GPE_DISABLE);
        break;

    default:
        Status = AE_BAD_PARAMETER;
        break;
    }

UnlockAndExit:
    AcpiOsReleaseLock (AcpiGbl_GpeLock, Flags);
    return_ACPI_STATUS (Status);
}

开发者ID:juanfra684，项目名称:DragonFlyBSD，代码行数:46，代码来源:evxfgpe.c

示例4: AcpiEvGlobalLockHandler

static UINT32
AcpiEvGlobalLockHandler (
    void                    *Context)
{
    ACPI_STATUS             Status;
    ACPI_CPU_FLAGS          Flags;


    Flags = AcpiOsAcquireLock (AcpiGbl_GlobalLockPendingLock);

    /*
     * If a request for the global lock is not actually pending,
     * we are done. This handles "spurious" global lock interrupts
     * which are possible (and have been seen) with bad BIOSs.
     */
    if (!AcpiGbl_GlobalLockPending)
    {
        goto CleanupAndExit;
    }

    /*
     * Send a unit to the global lock semaphore. The actual acquisition
     * of the global lock will be performed by the waiting thread.
     */
    Status = AcpiOsSignalSemaphore (AcpiGbl_GlobalLockSemaphore, 1);
    if (ACPI_FAILURE (Status))
    {
        ACPI_ERROR ((AE_INFO, "Could not signal Global Lock semaphore"));
    }

    AcpiGbl_GlobalLockPending = FALSE;


CleanupAndExit:

    AcpiOsReleaseLock (AcpiGbl_GlobalLockPendingLock, Flags);
    return (ACPI_INTERRUPT_HANDLED);
}

开发者ID:ppaeps，项目名称:freebsd-head，代码行数:38，代码来源:evglock.c

示例5: 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);
        }
        else
        {
            Status = AE_NO_HANDLER;
        }
    }

    AcpiOsReleaseLock (AcpiGbl_GpeLock, Flags);
    return_ACPI_STATUS (Status);
}

开发者ID:matter123，项目名称:mossy，代码行数:37，代码来源:evxfgpe.c

示例6: AcpiEvSciDispatch

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);
}

开发者ID:Stichting-MINIX-Research-Foundation，项目名称:minix，代码行数:37，代码来源:evsci.c

示例7: AcpiEvRemoveAllSciHandlers

ACPI_STATUS
AcpiEvRemoveAllSciHandlers (
    void)
{
    ACPI_SCI_HANDLER_INFO   *SciHandler;
    ACPI_CPU_FLAGS          Flags;
    ACPI_STATUS             Status;


    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);
}

开发者ID:Stichting-MINIX-Research-Foundation，项目名称:minix，代码行数:36，代码来源:evsci.c

示例8: AcpiHwClearAcpiStatus

ACPI_STATUS
AcpiHwClearAcpiStatus (
    void)
{
    ACPI_STATUS             Status;
    ACPI_CPU_FLAGS          LockFlags = 0;


    ACPI_FUNCTION_TRACE (HwClearAcpiStatus);


    ACPI_DEBUG_PRINT ((ACPI_DB_IO, "About to write %04X to %8.8X%8.8X\n",
        ACPI_BITMASK_ALL_FIXED_STATUS,
        ACPI_FORMAT_UINT64 (AcpiGbl_XPm1aStatus.Address)));

    LockFlags = AcpiOsAcquireLock (AcpiGbl_HardwareLock);

    /* Clear the fixed events in PM1 A/B */

    Status = AcpiHwRegisterWrite (ACPI_REGISTER_PM1_STATUS,
                ACPI_BITMASK_ALL_FIXED_STATUS);

    AcpiOsReleaseLock (AcpiGbl_HardwareLock, LockFlags);

    if (ACPI_FAILURE (Status))
    {
        goto Exit;
    }

    /* Clear the GPE Bits in all GPE registers in all GPE blocks */

    Status = AcpiEvWalkGpeList (AcpiHwClearGpeBlock, NULL);

Exit:
    return_ACPI_STATUS (Status);
}

开发者ID:victoredwardocallaghan，项目名称:DragonFlyBSD，代码行数:36，代码来源:hwregs.c

示例9: AcpiInstallSciHandler

ACPI_STATUS
AcpiInstallSciHandler (
    ACPI_SCI_HANDLER        Address,
    void                    *Context)
{
    ACPI_SCI_HANDLER_INFO   *NewSciHandler;
    ACPI_SCI_HANDLER_INFO   *SciHandler;
    ACPI_CPU_FLAGS          Flags;
    ACPI_STATUS             Status;


    ACPI_FUNCTION_TRACE (AcpiInstallSciHandler);


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

    /* Allocate and init a handler object */

    NewSciHandler = ACPI_ALLOCATE (sizeof (ACPI_SCI_HANDLER_INFO));
    if (!NewSciHandler)
    {
        return_ACPI_STATUS (AE_NO_MEMORY);
    }

    NewSciHandler->Address = Address;
    NewSciHandler->Context = Context;

    Status = AcpiUtAcquireMutex (ACPI_MTX_EVENTS);
    if (ACPI_FAILURE (Status))
    {
        goto Exit;
    }

    /* Lock list during installation */

    Flags = AcpiOsAcquireLock (AcpiGbl_GpeLock);
    SciHandler = AcpiGbl_SciHandlerList;

    /* Ensure handler does not already exist */

    while (SciHandler)
    {
        if (Address == SciHandler->Address)
        {
            Status = AE_ALREADY_EXISTS;
            goto UnlockAndExit;
        }

        SciHandler = SciHandler->Next;
    }

    /* Install the new handler into the global list (at head) */

    NewSciHandler->Next = AcpiGbl_SciHandlerList;
    AcpiGbl_SciHandlerList = NewSciHandler;


UnlockAndExit:

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

Exit:
    if (ACPI_FAILURE (Status))
    {
        ACPI_FREE (NewSciHandler);
    }
    return_ACPI_STATUS (Status);
}

开发者ID:ikitayama，项目名称:acpica-tools，代码行数:72，代码来源:evxface.c

示例10: 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11: 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12: 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13: AcpiSetGpeWakeMask

ACPI_STATUS
AcpiSetGpeWakeMask (
    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 (AcpiSetGpeWakeMask);


    Flags = AcpiOsAcquireLock (AcpiGbl_GpeLock);

    /*
     * Ensure that we have a valid GPE number and that this GPE is in
     * fact a wake GPE
     */
    GpeEventInfo = AcpiEvGetGpeEventInfo (GpeDevice, GpeNumber);
    if (!GpeEventInfo)
    {
        Status = AE_BAD_PARAMETER;
        goto UnlockAndExit;
    }

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

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

    RegisterBit = AcpiHwGetGpeRegisterBit (GpeEventInfo);

    /* 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:matter123，项目名称:mossy，代码行数:69，代码来源:evxfgpe.c

示例14: AcpiEvDeleteGpeBlock

ACPI_STATUS
AcpiEvDeleteGpeBlock (
    ACPI_GPE_BLOCK_INFO     *GpeBlock)
{
    ACPI_STATUS             Status;
    ACPI_CPU_FLAGS          Flags;


    ACPI_FUNCTION_TRACE (EvInstallGpeBlock);


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

    /* Disable all GPEs in this block */

    Status = AcpiHwDisableGpeBlock (GpeBlock->XruptBlock, GpeBlock, NULL);

    if (!GpeBlock->Previous && !GpeBlock->Next)
    {
        /* This is the last GpeBlock on this interrupt */

        Status = AcpiEvDeleteGpeXrupt (GpeBlock->XruptBlock);
        if (ACPI_FAILURE (Status))
        {
            goto UnlockAndExit;
        }
    }
    else
    {
        /* Remove the block on this interrupt with lock */

        Flags = AcpiOsAcquireLock (AcpiGbl_GpeLock);
        if (GpeBlock->Previous)
        {
            GpeBlock->Previous->Next = GpeBlock->Next;
        }
        else
        {
            GpeBlock->XruptBlock->GpeBlockListHead = GpeBlock->Next;
        }

        if (GpeBlock->Next)
        {
            GpeBlock->Next->Previous = GpeBlock->Previous;
        }
        AcpiOsReleaseLock (AcpiGbl_GpeLock, Flags);
    }

    AcpiCurrentGpeCount -= GpeBlock->GpeCount;

    /* Free the GpeBlock */

    ACPI_FREE (GpeBlock->RegisterInfo);
    ACPI_FREE (GpeBlock->EventInfo);
    ACPI_FREE (GpeBlock);

UnlockAndExit:
    Status = AcpiUtReleaseMutex (ACPI_MTX_EVENTS);
    return_ACPI_STATUS (Status);
}

开发者ID:99corps，项目名称:runtime，代码行数:64，代码来源:evgpeblk.c

示例15: AcpiSetupGpeForWake

ACPI_STATUS
AcpiSetupGpeForWake (
    ACPI_HANDLE             WakeDevice,
    ACPI_HANDLE             GpeDevice,
    UINT32                  GpeNumber)
{
    ACPI_STATUS             Status = AE_BAD_PARAMETER;
    ACPI_GPE_EVENT_INFO     *GpeEventInfo;
    ACPI_NAMESPACE_NODE     *DeviceNode;
    ACPI_CPU_FLAGS          Flags;


    ACPI_FUNCTION_TRACE (AcpiSetupGpeForWake);


    /* Parameter Validation */

    if (!WakeDevice)
    {
        /*
         * By forcing WakeDevice to be valid, we automatically enable the
         * implicit notify feature on all hosts.
         */
        return_ACPI_STATUS (AE_BAD_PARAMETER);
    }

    /* Validate WakeDevice is of type Device */

    DeviceNode = ACPI_CAST_PTR (ACPI_NAMESPACE_NODE, WakeDevice);
    if (DeviceNode->Type != ACPI_TYPE_DEVICE)
    {
        return_ACPI_STATUS (AE_BAD_PARAMETER);
    }

    Flags = AcpiOsAcquireLock (AcpiGbl_GpeLock);

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

    GpeEventInfo = AcpiEvGetGpeEventInfo (GpeDevice, GpeNumber);
    if (GpeEventInfo)
    {
        /*
         * If there is no method or handler for this GPE, then the
         * WakeDevice will be notified whenever this GPE fires (aka
         * "implicit notify") Note: The GPE is assumed to be
         * level-triggered (for windows compatibility).
         */
        if ((GpeEventInfo->Flags & ACPI_GPE_DISPATCH_MASK) ==
                ACPI_GPE_DISPATCH_NONE)
        {
            GpeEventInfo->Flags =
                (ACPI_GPE_DISPATCH_NOTIFY | ACPI_GPE_LEVEL_TRIGGERED);
            GpeEventInfo->Dispatch.DeviceNode = DeviceNode;
        }

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

    AcpiOsReleaseLock (AcpiGbl_GpeLock, Flags);
    return_ACPI_STATUS (Status);
}

开发者ID:juanfra684，项目名称:DragonFlyBSD，代码行数:62，代码来源:evxfgpe.c

示例16: AcpiDisableGpe

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


    ACPI_FUNCTION_TRACE (AcpiDisableGpe);


    /* 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;
    }

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

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

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

    /*
     * Update masks for wake GPE on removal of the last reference.
     * No need to hardware-disable wake GPEs here, they are not currently
     * enabled.
     */
    if (GpeType & ACPI_GPE_TYPE_WAKE)
    {
        if (!GpeEventInfo->WakeupCount)
        {
            Status = AE_LIMIT; /* There are no references to remove */
            goto UnlockAndExit;
        }

        GpeEventInfo->WakeupCount--;
        if (!GpeEventInfo->WakeupCount)
        {
            (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:79，代码来源:evxfevnt.c

示例17: AcpiRemoveSciHandler

ACPI_STATUS
AcpiRemoveSciHandler (
    ACPI_SCI_HANDLER        Address)
{
    ACPI_SCI_HANDLER_INFO   *PrevSciHandler;
    ACPI_SCI_HANDLER_INFO   *NextSciHandler;
    ACPI_CPU_FLAGS          Flags;
    ACPI_STATUS             Status;


    ACPI_FUNCTION_TRACE (AcpiRemoveSciHandler);


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

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

    /* Remove the SCI handler with lock */

    Flags = AcpiOsAcquireLock (AcpiGbl_GpeLock);

    PrevSciHandler = NULL;
    NextSciHandler = AcpiGbl_SciHandlerList;
    while (NextSciHandler)
    {
        if (NextSciHandler->Address == Address)
        {
            /* Unlink and free the SCI handler info block */

            if (PrevSciHandler)
            {
                PrevSciHandler->Next = NextSciHandler->Next;
            }
            else
            {
                AcpiGbl_SciHandlerList = NextSciHandler->Next;
            }

            AcpiOsReleaseLock (AcpiGbl_GpeLock, Flags);
            ACPI_FREE (NextSciHandler);
            goto UnlockAndExit;
        }

        PrevSciHandler = NextSciHandler;
        NextSciHandler = NextSciHandler->Next;
    }

    AcpiOsReleaseLock (AcpiGbl_GpeLock, Flags);
    Status = AE_NOT_EXIST;


UnlockAndExit:
    (void) AcpiUtReleaseMutex (ACPI_MTX_EVENTS);
    return_ACPI_STATUS (Status);
}

开发者ID:ikitayama，项目名称:acpica-tools，代码行数:62，代码来源:evxface.c

示例18: AcpiEvInstallGpeHandler


//.........这里部分代码省略.........
    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));

    AcpiOsReleaseLock (AcpiGbl_GpeLock, Flags);


UnlockAndExit:
    (void) AcpiUtReleaseMutex (ACPI_MTX_EVENTS);
    return_ACPI_STATUS (Status);

FreeAndExit:
    AcpiOsReleaseLock (AcpiGbl_GpeLock, Flags);
    ACPI_FREE (Handler);
    goto UnlockAndExit;
}

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: AcpiEvAcquireGlobalLock

ACPI_STATUS
AcpiEvAcquireGlobalLock (
    UINT16                  Timeout)
{
    ACPI_CPU_FLAGS          Flags;
    ACPI_STATUS             Status;
    BOOLEAN                 Acquired = FALSE;


    ACPI_FUNCTION_TRACE (EvAcquireGlobalLock);


    /*
     * Only one thread can acquire the GL at a time, the GlobalLockMutex
     * enforces this. This interface releases the interpreter if we must wait.
     */
    Status = AcpiExSystemWaitMutex (AcpiGbl_GlobalLockMutex->Mutex.OsMutex,
                Timeout);
    if (ACPI_FAILURE (Status))
    {
        return_ACPI_STATUS (Status);
    }

    /*
     * Update the global lock handle and check for wraparound. The handle is
     * only used for the external global lock interfaces, but it is updated
     * here to properly handle the case where a single thread may acquire the
     * lock via both the AML and the AcpiAcquireGlobalLock interfaces. The
     * handle is therefore updated on the first acquire from a given thread
     * regardless of where the acquisition request originated.
     */
    AcpiGbl_GlobalLockHandle++;
    if (AcpiGbl_GlobalLockHandle == 0)
    {
        AcpiGbl_GlobalLockHandle = 1;
    }

    /*
     * Make sure that a global lock actually exists. If not, just
     * treat the lock as a standard mutex.
     */
    if (!AcpiGbl_GlobalLockPresent)
    {
        AcpiGbl_GlobalLockAcquired = TRUE;
        return_ACPI_STATUS (AE_OK);
    }

    Flags = AcpiOsAcquireLock (AcpiGbl_GlobalLockPendingLock);

    do
    {
        /* Attempt to acquire the actual hardware lock */

        ACPI_ACQUIRE_GLOBAL_LOCK (AcpiGbl_FACS, Acquired);
        if (Acquired)
        {
            AcpiGbl_GlobalLockAcquired = TRUE;
            ACPI_DEBUG_PRINT ((ACPI_DB_EXEC,
                "Acquired hardware Global Lock\n"));
            break;
        }

        /*
         * Did not get the lock. The pending bit was set above, and
         * we must now wait until we receive the global lock
         * released interrupt.
         */
        AcpiGbl_GlobalLockPending = TRUE;
        AcpiOsReleaseLock (AcpiGbl_GlobalLockPendingLock, Flags);

        ACPI_DEBUG_PRINT ((ACPI_DB_EXEC,
            "Waiting for hardware Global Lock\n"));

        /*
         * Wait for handshake with the global lock interrupt handler.
         * This interface releases the interpreter if we must wait.
         */
        Status = AcpiExSystemWaitSemaphore (AcpiGbl_GlobalLockSemaphore,
                    ACPI_WAIT_FOREVER);

        Flags = AcpiOsAcquireLock (AcpiGbl_GlobalLockPendingLock);

    } while (ACPI_SUCCESS (Status));

    AcpiGbl_GlobalLockPending = FALSE;
    AcpiOsReleaseLock (AcpiGbl_GlobalLockPendingLock, Flags);

    return_ACPI_STATUS (Status);
}

开发者ID:ppaeps，项目名称:freebsd-head，代码行数:89，代码来源:evglock.c

示例20: AcpiEvGpeDetect


//.........这里部分代码省略.........
            Status = AcpiHwRead (&StatusReg, &GpeRegisterInfo->StatusAddress);
            if (ACPI_FAILURE (Status))
            {
                goto UnlockAndExit;
            }

            /* Read the Enable Register */

            Status = AcpiHwRead (&EnableReg, &GpeRegisterInfo->EnableAddress);
            if (ACPI_FAILURE (Status))
            {
                goto UnlockAndExit;
            }

            ACPI_DEBUG_PRINT ((ACPI_DB_INTERRUPTS,
                "Read registers for GPE %02X-%02X: Status=%02X, Enable=%02X, "
                "RunEnable=%02X, WakeEnable=%02X\n",
                GpeRegisterInfo->BaseGpeNumber,
                GpeRegisterInfo->BaseGpeNumber + (ACPI_GPE_REGISTER_WIDTH - 1),
                StatusReg, EnableReg,
                GpeRegisterInfo->EnableForRun,
                GpeRegisterInfo->EnableForWake));

            /* Check if there is anything active at all in this register */

            EnabledStatusByte = (UINT8) (StatusReg & EnableReg);
            if (!EnabledStatusByte)
            {
                /* No active GPEs in this register, move on */

                continue;
            }

            /* Now look at the individual GPEs in this byte register */

            for (j = 0; j < ACPI_GPE_REGISTER_WIDTH; j++)
            {
                /* Examine one GPE bit */

                GpeEventInfo = &GpeBlock->EventInfo[((ACPI_SIZE) i *
                    ACPI_GPE_REGISTER_WIDTH) + j];
                GpeNumber = j + GpeRegisterInfo->BaseGpeNumber;

                if (EnabledStatusByte & (1 << j))
                {
                    /* Invoke global event handler if present */

                    AcpiGpeCount++;
                    if (AcpiGbl_GlobalEventHandler)
                    {
                        AcpiGbl_GlobalEventHandler (ACPI_EVENT_TYPE_GPE,
                            GpeDevice, GpeNumber,
                            AcpiGbl_GlobalEventHandlerContext);
                    }

                    /* Found an active GPE */

                    if (ACPI_GPE_DISPATCH_TYPE (GpeEventInfo->Flags) ==
                        ACPI_GPE_DISPATCH_RAW_HANDLER)
                    {
                        /* Dispatch the event to a raw handler */

                        GpeHandlerInfo = GpeEventInfo->Dispatch.Handler;

                        /*
                         * There is no protection around the namespace node
                         * and the GPE handler to ensure a safe destruction
                         * because:
                         * 1. The namespace node is expected to always
                         *    exist after loading a table.
                         * 2. The GPE handler is expected to be flushed by
                         *    AcpiOsWaitEventsComplete() before the
                         *    destruction.
                         */
                        AcpiOsReleaseLock (AcpiGbl_GpeLock, Flags);
                        IntStatus |= GpeHandlerInfo->Address (
                            GpeDevice, GpeNumber, GpeHandlerInfo->Context);
                        Flags = AcpiOsAcquireLock (AcpiGbl_GpeLock);
                    }
                    else
                    {
                        /*
                         * Dispatch the event to a standard handler or
                         * method.
                         */
                        IntStatus |= AcpiEvGpeDispatch (GpeDevice,
                            GpeEventInfo, GpeNumber);
                    }
                }
            }
        }

        GpeBlock = GpeBlock->Next;
    }

UnlockAndExit:

    AcpiOsReleaseLock (AcpiGbl_GpeLock, Flags);
    return (IntStatus);
}

开发者ID:AmirAbrams，项目名称:haiku，代码行数:101，代码来源:evgpe.c

注：本文中的AcpiOsReleaseLock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。