Пример #1
0
/**
 * radeon_atpx_call - call an ATPX method
 *
 * @handle: acpi handle
 * @function: the ATPX function to execute
 * @params: ATPX function params
 *
 * Executes the requested ATPX function (all asics).
 * Returns a pointer to the acpi output buffer.
 */
static ACPI_OBJECT *radeon_atpx_call(ACPI_HANDLE handle, int function,
					   ACPI_BUFFER *params)
{
	ACPI_STATUS status;
	ACPI_OBJECT atpx_arg_elements[2];
	ACPI_OBJECT_LIST atpx_arg;
	ACPI_BUFFER buffer = { ACPI_ALLOCATE_BUFFER, NULL };

	atpx_arg.Count = 2;
	atpx_arg.Pointer = &atpx_arg_elements[0];

	atpx_arg_elements[0].Type = ACPI_TYPE_INTEGER;
	atpx_arg_elements[0].Integer.Value = function;

	if (params) {
		atpx_arg_elements[1].Type = ACPI_TYPE_BUFFER;
		atpx_arg_elements[1].Buffer.Length = params->Length;
		atpx_arg_elements[1].Buffer.Pointer = params->Pointer;
	} else {
		/* We need a second fake parameter */
		atpx_arg_elements[1].Type = ACPI_TYPE_INTEGER;
		atpx_arg_elements[1].Integer.Value = 0;
	}

	status = AcpiEvaluateObject(handle, NULL, &atpx_arg, &buffer);

	/* Fail only if calling the method fails and ATPX is supported */
	if (ACPI_FAILURE(status) && status != AE_NOT_FOUND) {
		DRM_ERROR("failed to evaluate ATPX got %s\n",
		       AcpiFormatException(status));
		AcpiOsFree(buffer.Pointer);
		return NULL;
	}

	return buffer.Pointer;
}
Пример #2
0
void *
AcpiUtAllocateAndTrack (
    ACPI_SIZE               Size,
    UINT32                  Component,
    const char              *Module,
    UINT32                  Line)
{
    ACPI_DEBUG_MEM_BLOCK    *Allocation;
    ACPI_STATUS             Status;


    Allocation = AcpiUtAllocate (Size + sizeof (ACPI_DEBUG_MEM_HEADER),
                    Component, Module, Line);
    if (!Allocation)
    {
        return (NULL);
    }

    Status = AcpiUtTrackAllocation (Allocation, Size,
                    ACPI_MEM_MALLOC, Component, Module, Line);
    if (ACPI_FAILURE (Status))
    {
        AcpiOsFree (Allocation);
        return (NULL);
    }

    AcpiGbl_GlobalList->TotalAllocated++;
    AcpiGbl_GlobalList->TotalSize += (UINT32) Size;
    AcpiGbl_GlobalList->CurrentTotalSize += (UINT32) Size;
    if (AcpiGbl_GlobalList->CurrentTotalSize > AcpiGbl_GlobalList->MaxOccupied)
    {
        AcpiGbl_GlobalList->MaxOccupied = AcpiGbl_GlobalList->CurrentTotalSize;
    }

    return ((void *) &Allocation->UserSpace);
}
Пример #3
0
static int
acpi_panasonic_hkey_event(struct acpi_panasonic_softc *sc, ACPI_HANDLE h,
    UINT32 *arg)
{
	ACPI_BUFFER buf;
	ACPI_OBJECT *res;
	ACPI_INTEGER val;
	int status;

	ACPI_SERIAL_ASSERT(panasonic);
	status = ENXIO;

	buf.Length = ACPI_ALLOCATE_BUFFER;
	buf.Pointer = NULL;
	AcpiEvaluateObject(h, "HINF", NULL, &buf);
	res = (ACPI_OBJECT *)buf.Pointer;
	if (res->Type != ACPI_TYPE_INTEGER) {
		device_printf(sc->dev, "HINF returned non-integer\n");
		goto end;
	}
	val = res->Integer.Value;
#ifdef ACPI_PANASONIC_DEBUG
	device_printf(sc->dev, "%s button Fn+F%d\n",
		      (val & 0x80) ? "Pressed" : "Released",
		      (int)(val & 0x7f));
#endif
	if ((val & 0x7f) > 0 && (val & 0x7f) < 11) {
		*arg = val;
		status = 0;
	}
end:
	if (buf.Pointer)
		AcpiOsFree(buf.Pointer);

	return (status);
}
static ACPI_STATUS
AeExceptionHandler (
    ACPI_STATUS             AmlStatus,
    ACPI_NAME               Name,
    UINT16                  Opcode,
    UINT32                  AmlOffset,
    void                    *Context)
{
    ACPI_STATUS             NewAmlStatus = AmlStatus;
    ACPI_STATUS             Status;
    ACPI_BUFFER             ReturnObj;
    ACPI_OBJECT_LIST        ArgList;
    ACPI_OBJECT             Arg[3];
    const char              *Exception;


    Exception = AcpiFormatException (AmlStatus);
    AcpiOsPrintf ("[AcpiExec] Exception %s during execution ", Exception);
    if (Name)
    {
        AcpiOsPrintf ("of method [%4.4s]", (char *) &Name);
    }
    else
    {
        AcpiOsPrintf ("at module level (table load)");
    }
    AcpiOsPrintf (" Opcode [%s] @%X\n", AcpiPsGetOpcodeName (Opcode), AmlOffset);

    /*
     * Invoke the _ERR method if present
     *
     * Setup parameter object
     */
    ArgList.Count = 3;
    ArgList.Pointer = Arg;

    Arg[0].Type = ACPI_TYPE_INTEGER;
    Arg[0].Integer.Value = AmlStatus;

    Arg[1].Type = ACPI_TYPE_STRING;
    Arg[1].String.Pointer = ACPI_CAST_PTR (char, Exception);
    Arg[1].String.Length = ACPI_STRLEN (Exception);

    Arg[2].Type = ACPI_TYPE_INTEGER;
    Arg[2].Integer.Value = AcpiOsGetThreadId();

    /* Setup return buffer */

    ReturnObj.Pointer = NULL;
    ReturnObj.Length = ACPI_ALLOCATE_BUFFER;

    Status = AcpiEvaluateObject (NULL, "\\_ERR", &ArgList, &ReturnObj);
    if (ACPI_SUCCESS (Status))
    {
        if (ReturnObj.Pointer)
        {
            /* Override original status */

            NewAmlStatus = (ACPI_STATUS)
                ((ACPI_OBJECT *) ReturnObj.Pointer)->Integer.Value;

            /* Free a buffer created via ACPI_ALLOCATE_BUFFER */

            AcpiOsFree (ReturnObj.Pointer);
        }
    }
    else if (Status != AE_NOT_FOUND)
    {
        AcpiOsPrintf ("[AcpiExec] Could not execute _ERR method, %s\n",
            AcpiFormatException (Status));
    }

    /* Global override */

    if (AcpiGbl_IgnoreErrors)
    {
        NewAmlStatus = AE_OK;
    }

    if (NewAmlStatus != AmlStatus)
    {
        AcpiOsPrintf ("[AcpiExec] Exception override, new status %s\n",
            AcpiFormatException (NewAmlStatus));
    }

    return (NewAmlStatus);
}
Пример #5
0
void
AcpiDbAddToHistory (
    char                    *CommandLine)
{
    UINT16                  CmdLen;
    UINT16                  BufferLen;

    /* Put command into the next available slot */

    CmdLen = (UINT16) strlen (CommandLine);
    if (!CmdLen)
    {
        return;
    }

    if (AcpiGbl_HistoryBuffer[AcpiGbl_NextHistoryIndex].Command != NULL)
    {
        BufferLen = (UINT16) strlen (
            AcpiGbl_HistoryBuffer[AcpiGbl_NextHistoryIndex].Command);

        if (CmdLen > BufferLen)
        {
            AcpiOsFree (AcpiGbl_HistoryBuffer[AcpiGbl_NextHistoryIndex].
                Command);
            AcpiGbl_HistoryBuffer[AcpiGbl_NextHistoryIndex].Command =
                AcpiOsAllocate (CmdLen + 1);
        }
    }
    else
    {
        AcpiGbl_HistoryBuffer[AcpiGbl_NextHistoryIndex].Command =
            AcpiOsAllocate (CmdLen + 1);
    }

    strcpy (AcpiGbl_HistoryBuffer[AcpiGbl_NextHistoryIndex].Command,
        CommandLine);

    AcpiGbl_HistoryBuffer[AcpiGbl_NextHistoryIndex].CmdNum =
        AcpiGbl_NextCmdNum;

    /* Adjust indexes */

    if ((AcpiGbl_NumHistory == HISTORY_SIZE) &&
        (AcpiGbl_NextHistoryIndex == AcpiGbl_LoHistory))
    {
        AcpiGbl_LoHistory++;
        if (AcpiGbl_LoHistory >= HISTORY_SIZE)
        {
            AcpiGbl_LoHistory = 0;
        }
    }

    AcpiGbl_NextHistoryIndex++;
    if (AcpiGbl_NextHistoryIndex >= HISTORY_SIZE)
    {
        AcpiGbl_NextHistoryIndex = 0;
    }

    AcpiGbl_NextCmdNum++;
    if (AcpiGbl_NumHistory < HISTORY_SIZE)
    {
        AcpiGbl_NumHistory++;
    }
}
Пример #6
0
void
AeMiscellaneousTests (
    void)
{
    ACPI_BUFFER             ReturnBuf;
    char                    Buffer[32];
    ACPI_STATUS             Status;
    ACPI_STATISTICS         Stats;
    ACPI_HANDLE             Handle;

#if (!ACPI_REDUCED_HARDWARE)
    UINT32                  LockHandle1;
    UINT32                  LockHandle2;
    ACPI_VENDOR_UUID        Uuid =
        {0, {ACPI_INIT_UUID (0,0,0,0,0,0,0,0,0,0,0)}};
#endif /* !ACPI_REDUCED_HARDWARE */


    Status = AcpiGetHandle (NULL, "\\", &Handle);
    ACPI_CHECK_OK (AcpiGetHandle, Status);

    if (AcpiGbl_DoInterfaceTests)
    {
        /*
         * Tests for AcpiLoadTable and AcpiUnloadParentTable
         */

        /* Attempt unload of DSDT, should fail */

        Status = AcpiGetHandle (NULL, "\\_SB_", &Handle);
        ACPI_CHECK_OK (AcpiGetHandle, Status);

        Status = AcpiUnloadParentTable (Handle);
        ACPI_CHECK_STATUS (AcpiUnloadParentTable, Status, AE_TYPE);

        /* Load and unload SSDT4 */

        Status = AcpiLoadTable ((ACPI_TABLE_HEADER *) Ssdt4Code);
        ACPI_CHECK_OK (AcpiLoadTable, Status);

        Status = AcpiGetHandle (NULL, "\\_T96", &Handle);
        ACPI_CHECK_OK (AcpiGetHandle, Status);

        Status = AcpiUnloadParentTable (Handle);
        ACPI_CHECK_OK (AcpiUnloadParentTable, Status);

        /* Re-load SSDT4 */

        Status = AcpiLoadTable ((ACPI_TABLE_HEADER *) Ssdt4Code);
        ACPI_CHECK_OK (AcpiLoadTable, Status);

        /* Unload and re-load SSDT2 (SSDT2 is in the XSDT) */

        Status = AcpiGetHandle (NULL, "\\_T99", &Handle);
        ACPI_CHECK_OK (AcpiGetHandle, Status);

        Status = AcpiUnloadParentTable (Handle);
        ACPI_CHECK_OK (AcpiUnloadParentTable, Status);

        Status = AcpiLoadTable ((ACPI_TABLE_HEADER *) Ssdt2Code);
        ACPI_CHECK_OK (AcpiLoadTable, Status);

        /* Load OEM9 table (causes table override) */

        Status = AcpiLoadTable ((ACPI_TABLE_HEADER *) Ssdt3Code);
        ACPI_CHECK_OK (AcpiLoadTable, Status);
    }

    AeHardwareInterfaces ();
    AeGenericRegisters ();
    AeSetupConfiguration (Ssdt3Code);

    AeTestBufferArgument();
    AeTestPackageArgument ();
    AeMutexInterfaces ();
    AeTestSleepData ();

    /* Test _OSI install/remove */

    Status = AcpiInstallInterface ("");
    ACPI_CHECK_STATUS (AcpiInstallInterface, Status, AE_BAD_PARAMETER);

    Status = AcpiInstallInterface ("TestString");
    ACPI_CHECK_OK (AcpiInstallInterface, Status);

    Status = AcpiInstallInterface ("TestString");
    ACPI_CHECK_STATUS (AcpiInstallInterface, Status, AE_ALREADY_EXISTS);

    Status = AcpiRemoveInterface ("Windows 2006");
    ACPI_CHECK_OK (AcpiRemoveInterface, Status);

    Status = AcpiRemoveInterface ("TestString");
    ACPI_CHECK_OK (AcpiRemoveInterface, Status);

    Status = AcpiRemoveInterface ("XXXXXX");
    ACPI_CHECK_STATUS (AcpiRemoveInterface, Status, AE_NOT_EXIST);

    Status = AcpiInstallInterface ("AnotherTestString");
    ACPI_CHECK_OK (AcpiInstallInterface, Status);

    /* Test _OSI execution */

    Status = ExecuteOSI ("Extended Address Space Descriptor", ACPI_UINT64_MAX);
    ACPI_CHECK_OK (ExecuteOSI, Status);

    Status = ExecuteOSI ("Windows 2001", ACPI_UINT64_MAX);
    ACPI_CHECK_OK (ExecuteOSI, Status);

    Status = ExecuteOSI ("MichiganTerminalSystem", 0);
    ACPI_CHECK_OK (ExecuteOSI, Status);


    ReturnBuf.Length = 32;
    ReturnBuf.Pointer = Buffer;

    Status = AcpiGetName (ACPI_ROOT_OBJECT,
        ACPI_FULL_PATHNAME_NO_TRAILING, &ReturnBuf);
    ACPI_CHECK_OK (AcpiGetName, Status);

    /* Get Devices */

    Status = AcpiGetDevices (NULL, AeGetDevices, NULL, NULL);
    ACPI_CHECK_OK (AcpiGetDevices, Status);

    Status = AcpiGetStatistics (&Stats);
    ACPI_CHECK_OK (AcpiGetStatistics, Status);


#if (!ACPI_REDUCED_HARDWARE)

    Status = AcpiInstallGlobalEventHandler (AeGlobalEventHandler, NULL);
    ACPI_CHECK_OK (AcpiInstallGlobalEventHandler, Status);

    /* If Hardware Reduced flag is set, we are all done */

    if (AcpiGbl_ReducedHardware)
    {
        return;
    }

    Status = AcpiEnableEvent (ACPI_EVENT_GLOBAL, 0);
    ACPI_CHECK_OK (AcpiEnableEvent, Status);

    /*
     * GPEs: Handlers, enable/disable, etc.
     */
    Status = AcpiInstallGpeHandler (NULL, 0,
        ACPI_GPE_LEVEL_TRIGGERED, AeGpeHandler, NULL);
    ACPI_CHECK_OK (AcpiInstallGpeHandler, Status);

    Status = AcpiEnableGpe (NULL, 0);
    ACPI_CHECK_OK (AcpiEnableGpe, Status);

    Status = AcpiRemoveGpeHandler (NULL, 0, AeGpeHandler);
    ACPI_CHECK_OK (AcpiRemoveGpeHandler, Status);

    Status = AcpiInstallGpeHandler (NULL, 0,
        ACPI_GPE_LEVEL_TRIGGERED, AeGpeHandler, NULL);
    ACPI_CHECK_OK (AcpiInstallGpeHandler, Status);

    Status = AcpiEnableGpe (NULL, 0);
    ACPI_CHECK_OK (AcpiEnableGpe, Status);

    Status = AcpiSetGpe (NULL, 0, ACPI_GPE_DISABLE);
    ACPI_CHECK_OK (AcpiSetGpe, Status);

    Status = AcpiSetGpe (NULL, 0, ACPI_GPE_ENABLE);
    ACPI_CHECK_OK (AcpiSetGpe, Status);


    Status = AcpiInstallGpeHandler (NULL, 1,
        ACPI_GPE_EDGE_TRIGGERED, AeGpeHandler, NULL);
    ACPI_CHECK_OK (AcpiInstallGpeHandler, Status);

    Status = AcpiEnableGpe (NULL, 1);
    ACPI_CHECK_OK (AcpiEnableGpe, Status);


    Status = AcpiInstallGpeHandler (NULL, 2,
        ACPI_GPE_LEVEL_TRIGGERED, AeGpeHandler, NULL);
    ACPI_CHECK_OK (AcpiInstallGpeHandler, Status);

    Status = AcpiEnableGpe (NULL, 2);
    ACPI_CHECK_OK (AcpiEnableGpe, Status);


    Status = AcpiInstallGpeHandler (NULL, 3,
        ACPI_GPE_EDGE_TRIGGERED, AeGpeHandler, NULL);
    ACPI_CHECK_OK (AcpiInstallGpeHandler, Status);

    Status = AcpiInstallGpeHandler (NULL, 4,
        ACPI_GPE_LEVEL_TRIGGERED, AeGpeHandler, NULL);
    ACPI_CHECK_OK (AcpiInstallGpeHandler, Status);

    Status = AcpiInstallGpeHandler (NULL, 5,
        ACPI_GPE_EDGE_TRIGGERED, AeGpeHandler, NULL);
    ACPI_CHECK_OK (AcpiInstallGpeHandler, Status);

    Status = AcpiGetHandle (NULL, "\\_SB", &Handle);
    ACPI_CHECK_OK (AcpiGetHandle, Status);

    Status = AcpiSetupGpeForWake (Handle, NULL, 5);
    ACPI_CHECK_OK (AcpiSetupGpeForWake, Status);

    Status = AcpiSetGpeWakeMask (NULL, 5, ACPI_GPE_ENABLE);
    ACPI_CHECK_OK (AcpiSetGpeWakeMask, Status);

    Status = AcpiSetupGpeForWake (Handle, NULL, 6);
    ACPI_CHECK_OK (AcpiSetupGpeForWake, Status);

    Status = AcpiSetupGpeForWake (ACPI_ROOT_OBJECT, NULL, 6);
    ACPI_CHECK_OK (AcpiSetupGpeForWake, Status);

    Status = AcpiSetupGpeForWake (Handle, NULL, 9);
    ACPI_CHECK_OK (AcpiSetupGpeForWake, Status);

    Status = AcpiInstallGpeHandler (NULL, 0x19,
        ACPI_GPE_LEVEL_TRIGGERED, AeGpeHandler, NULL);
    ACPI_CHECK_OK (AcpiInstallGpeHandler, Status);

    Status = AcpiEnableGpe (NULL, 0x19);
    ACPI_CHECK_OK (AcpiEnableGpe, Status);


    /* GPE block 1 */

    Status = AcpiInstallGpeHandler (NULL, 101,
        ACPI_GPE_LEVEL_TRIGGERED, AeGpeHandler, NULL);
    ACPI_CHECK_OK (AcpiInstallGpeHandler, Status);

    Status = AcpiEnableGpe (NULL, 101);
    ACPI_CHECK_OK (AcpiEnableGpe, Status);

    Status = AcpiDisableGpe (NULL, 101);
    ACPI_CHECK_OK (AcpiDisableGpe, Status);

    AfInstallGpeBlock ();

    /* Here is where the GPEs are actually "enabled" */

    Status = AcpiUpdateAllGpes ();
    ACPI_CHECK_OK (AcpiUpdateAllGpes, Status);

    Status = AcpiGetHandle (NULL, "RSRC", &Handle);
    if (ACPI_SUCCESS (Status))
    {
        ReturnBuf.Length = ACPI_ALLOCATE_BUFFER;

        Status = AcpiGetVendorResource (Handle, "_CRS", &Uuid, &ReturnBuf);
        if (ACPI_SUCCESS (Status))
        {
            AcpiOsFree (ReturnBuf.Pointer);
        }
    }

    /* Test global lock */

    Status = AcpiAcquireGlobalLock (0xFFFF, &LockHandle1);
    ACPI_CHECK_OK (AcpiAcquireGlobalLock, Status);

    Status = AcpiAcquireGlobalLock (0x5, &LockHandle2);
    ACPI_CHECK_OK (AcpiAcquireGlobalLock, Status);

    Status = AcpiReleaseGlobalLock (LockHandle1);
    ACPI_CHECK_OK (AcpiReleaseGlobalLock, Status);

    Status = AcpiReleaseGlobalLock (LockHandle2);
    ACPI_CHECK_OK (AcpiReleaseGlobalLock, Status);

#endif /* !ACPI_REDUCED_HARDWARE */
}
Пример #7
0
static int
acpi_ec_probe(device_t dev)
{
    ACPI_BUFFER buf;
    ACPI_HANDLE h;
    ACPI_OBJECT *obj;
    ACPI_STATUS status;
    device_t	peer;
    char	desc[64];
    int		ecdt;
    int		ret;
    struct acpi_ec_params *params;
    static char *ec_ids[] = { "PNP0C09", NULL };

    /* Check that this is a device and that EC is not disabled. */
    if (acpi_get_type(dev) != ACPI_TYPE_DEVICE || acpi_disabled("ec"))
	return (ENXIO);

    /*
     * If probed via ECDT, set description and continue.  Otherwise,
     * we can access the namespace and make sure this is not a
     * duplicate probe.
     */
    ret = ENXIO;
    ecdt = 0;
    buf.Pointer = NULL;
    buf.Length = ACPI_ALLOCATE_BUFFER;
    params = acpi_get_private(dev);
    if (params != NULL) {
	ecdt = 1;
	ret = 0;
    } else if (ACPI_ID_PROBE(device_get_parent(dev), dev, ec_ids)) {
	params = kmalloc(sizeof(struct acpi_ec_params), M_TEMP,
			M_WAITOK | M_ZERO);
	h = acpi_get_handle(dev);

	/*
	 * Read the unit ID to check for duplicate attach and the
	 * global lock value to see if we should acquire it when
	 * accessing the EC.
	 */
	status = acpi_GetInteger(h, "_UID", &params->uid);
	if (ACPI_FAILURE(status))
	    params->uid = 0;
	status = acpi_GetInteger(h, "_GLK", &params->glk);
	if (ACPI_FAILURE(status))
	    params->glk = 0;

	/*
	 * Evaluate the _GPE method to find the GPE bit used by the EC to
	 * signal status (SCI).  If it's a package, it contains a reference
	 * and GPE bit, similar to _PRW.
	 */
	status = AcpiEvaluateObject(h, "_GPE", NULL, &buf);
	if (ACPI_FAILURE(status)) {
	    device_printf(dev, "can't evaluate _GPE - %s\n",
			  AcpiFormatException(status));
	    goto out;
	}
	obj = (ACPI_OBJECT *)buf.Pointer;
	if (obj == NULL)
	    goto out;

	switch (obj->Type) {
	case ACPI_TYPE_INTEGER:
	    params->gpe_handle = NULL;
	    params->gpe_bit = obj->Integer.Value;
	    break;
	case ACPI_TYPE_PACKAGE:
	    if (!ACPI_PKG_VALID(obj, 2))
		goto out;
	    params->gpe_handle =
		acpi_GetReference(NULL, &obj->Package.Elements[0]);
	    if (params->gpe_handle == NULL ||
		acpi_PkgInt32(obj, 1, &params->gpe_bit) != 0)
		goto out;
	    break;
	default:
	    device_printf(dev, "_GPE has invalid type %d\n", obj->Type);
	    goto out;
	}

	/* Store the values we got from the namespace for attach. */
	acpi_set_private(dev, params);

	/*
	 * Check for a duplicate probe.  This can happen when a probe
	 * via ECDT succeeded already.  If this is a duplicate, disable
	 * this device.
	 */
	peer = devclass_get_device(acpi_ec_devclass, params->uid);
	if (peer == NULL || !device_is_alive(peer))
	    ret = 0;
	else
	    device_disable(dev);
    }

out:
    if (ret == 0) {
	ksnprintf(desc, sizeof(desc), "Embedded Controller: GPE %#x%s%s",
		 params->gpe_bit, (params->glk) ? ", GLK" : "",
		 ecdt ? ", ECDT" : "");
	device_set_desc_copy(dev, desc);
    }

    if (ret > 0 && params)
	kfree(params, M_TEMP);
    if (buf.Pointer)
	AcpiOsFree(buf.Pointer);
    return (ret);
}
Пример #8
0
static ACPI_STATUS
AcGetOneTableFromFile (
    char                    *Filename,
    FILE                    *File,
    UINT8                   GetOnlyAmlTables,
    ACPI_TABLE_HEADER       **ReturnTable)
{
    ACPI_STATUS             Status = AE_OK;
    ACPI_TABLE_HEADER       TableHeader;
    ACPI_TABLE_HEADER       *Table;
    INT32                   Count;
    long                    TableOffset;


    *ReturnTable = NULL;

    /* Get the table header to examine signature and length */

    TableOffset = ftell (File);
    Count = fread (&TableHeader, 1, sizeof (ACPI_TABLE_HEADER), File);
    if (Count != sizeof (ACPI_TABLE_HEADER))
    {
        return (AE_CTRL_TERMINATE);
    }

    /* Validate the table signature/header (limited ASCII chars) */

    Status = AcValidateTableHeader (File, TableOffset);
    if (ACPI_FAILURE (Status))
    {
        return (Status);
    }

    if (GetOnlyAmlTables)
    {
        /*
         * Table must be an AML table (DSDT/SSDT).
         * Used for iASL -e option only.
         */
        if (!AcpiUtIsAmlTable (&TableHeader))
        {
            fprintf (stderr,
                "    %s: Table [%4.4s] is not an AML table - ignoring\n",
                Filename, TableHeader.Signature);

            return (AE_TYPE);
        }
    }

    /* Allocate a buffer for the entire table */

    Table = AcpiOsAllocate ((ACPI_SIZE) TableHeader.Length);
    if (!Table)
    {
        return (AE_NO_MEMORY);
    }

    /* Read the entire ACPI table, including header */

    fseek (File, TableOffset, SEEK_SET);

    Count = fread (Table, 1, TableHeader.Length, File);
    if (Count != (INT32) TableHeader.Length)
    {
        Status = AE_ERROR;
        goto ErrorExit;
    }

    /* Validate the checksum (just issue a warning) */

    Status = AcpiTbVerifyChecksum (Table, TableHeader.Length);
    if (ACPI_FAILURE (Status))
    {
        Status = AcCheckTextModeCorruption (Table);
        if (ACPI_FAILURE (Status))
        {
            goto ErrorExit;
        }
    }

    *ReturnTable = Table;
    return (AE_OK);


ErrorExit:
    AcpiOsFree (Table);
    return (Status);
}
Пример #9
0
static int
aibs_sysctl(SYSCTL_HANDLER_ARGS)
{
	struct aibs_softc	*sc = arg1;
	enum aibs_type		st = arg2;
	int			i = oidp->oid_number;
	ACPI_STATUS		rs;
	ACPI_OBJECT		p, *bp;
	ACPI_OBJECT_LIST	mp;
	ACPI_BUFFER		b;
	char			*name;
	struct aibs_sensor	*as;
	ACPI_INTEGER		v, l, h;
	int			so[3];

	switch (st) {
	case AIBS_VOLT:
		name = "RVLT";
		as = sc->sc_asens_volt;
		break;
	case AIBS_TEMP:
		name = "RTMP";
		as = sc->sc_asens_temp;
		break;
	case AIBS_FAN:
		name = "RFAN";
		as = sc->sc_asens_fan;
		break;
	default:
		return ENOENT;
	}
	if (as == NULL)
		return ENOENT;
	l = as[i].l;
	h = as[i].h;
	p.Type = ACPI_TYPE_INTEGER;
	p.Integer.Value = as[i].i;
	mp.Count = 1;
	mp.Pointer = &p;
	b.Length = ACPI_ALLOCATE_BUFFER;
	ACPI_SERIAL_BEGIN(aibs);
	rs = AcpiEvaluateObjectTyped(sc->sc_ah, name, &mp, &b,
	    ACPI_TYPE_INTEGER);
	if (ACPI_FAILURE(rs)) {
		ddevice_printf(sc->sc_dev,
		    "%s: %i: evaluation failed\n",
		    name, i);
		ACPI_SERIAL_END(aibs);
		return EIO;
	}
	bp = b.Pointer;
	v = bp->Integer.Value;
	AcpiOsFree(b.Pointer);
	ACPI_SERIAL_END(aibs);

	switch (st) {
	case AIBS_VOLT:
		break;
	case AIBS_TEMP:
		v += 2731;
		l += 2731;
		h += 2731;
		break;
	case AIBS_FAN:
		break;
	}
	so[0] = v;
	so[1] = l;
	so[2] = h;
	return sysctl_handle_opaque(oidp, &so, sizeof(so), req);
}
Пример #10
0
static ACPI_STATUS
AcpiDbReadFromObject (
    ACPI_NAMESPACE_NODE     *Node,
    ACPI_OBJECT_TYPE        ExpectedType,
    ACPI_OBJECT             **Value)
{
    ACPI_OBJECT             *RetValue;
    ACPI_OBJECT_LIST        ParamObjects;
    ACPI_OBJECT             Params[2];
    ACPI_BUFFER             ReturnObj;
    ACPI_STATUS             Status;


    Params[0].Type = ACPI_TYPE_LOCAL_REFERENCE;
    Params[0].Reference.ActualType = Node->Type;
    Params[0].Reference.Handle = ACPI_CAST_PTR (ACPI_HANDLE, Node);

    ParamObjects.Count = 1;
    ParamObjects.Pointer = Params;

    ReturnObj.Length  = ACPI_ALLOCATE_BUFFER;

    AcpiGbl_MethodExecuting = TRUE;
    Status = AcpiEvaluateObject (ReadHandle, NULL,
        &ParamObjects, &ReturnObj);
    AcpiGbl_MethodExecuting = FALSE;

    if (ACPI_FAILURE (Status))
    {
        AcpiOsPrintf ("Could not read from object, %s",
            AcpiFormatException (Status));
        return (Status);
    }

    RetValue = (ACPI_OBJECT *) ReturnObj.Pointer;

    switch (RetValue->Type)
    {
    case ACPI_TYPE_INTEGER:
    case ACPI_TYPE_BUFFER:
    case ACPI_TYPE_STRING:
        /*
         * Did we receive the type we wanted? Most important for the
         * Integer/Buffer case (when a field is larger than an Integer,
         * it should return a Buffer).
         */
        if (RetValue->Type != ExpectedType)
        {
            AcpiOsPrintf (" Type mismatch:  Expected %s, Received %s",
                AcpiUtGetTypeName (ExpectedType),
                AcpiUtGetTypeName (RetValue->Type));

            return (AE_TYPE);
        }

        *Value = RetValue;
        break;

    default:

        AcpiOsPrintf (" Unsupported return object type, %s",
            AcpiUtGetTypeName (RetValue->Type));

        AcpiOsFree (ReturnObj.Pointer);
        return (AE_TYPE);
    }

    return (Status);
}
Пример #11
0
static ACPI_STATUS
AcpiDbTestStringType (
    ACPI_NAMESPACE_NODE     *Node,
    UINT32                  ByteLength)
{
    ACPI_OBJECT             *Temp1 = NULL;
    ACPI_OBJECT             *Temp2 = NULL;
    ACPI_OBJECT             *Temp3 = NULL;
    char                    *ValueToWrite = "Test String from AML Debugger";
    ACPI_OBJECT             WriteValue;
    ACPI_STATUS             Status;


    /* Read the original value */

    Status = AcpiDbReadFromObject (Node, ACPI_TYPE_STRING, &Temp1);
    if (ACPI_FAILURE (Status))
    {
        return (Status);
    }

    AcpiOsPrintf (" (%4.4X/%3.3X) \"%s\"", (Temp1->String.Length * 8),
        Temp1->String.Length, Temp1->String.Pointer);

    /* Write a new value */

    WriteValue.Type = ACPI_TYPE_STRING;
    WriteValue.String.Length = strlen (ValueToWrite);
    WriteValue.String.Pointer = ValueToWrite;

    Status = AcpiDbWriteToObject (Node, &WriteValue);
    if (ACPI_FAILURE (Status))
    {
        goto Exit;
    }

    /* Ensure that we can read back the new value */

    Status = AcpiDbReadFromObject (Node, ACPI_TYPE_STRING, &Temp2);
    if (ACPI_FAILURE (Status))
    {
        goto Exit;
    }

    if (strcmp (Temp2->String.Pointer, ValueToWrite))
    {
        AcpiOsPrintf (" MISMATCH 2: %s, expecting %s",
            Temp2->String.Pointer, ValueToWrite);
    }

    /* Write back the original value */

    WriteValue.String.Length = strlen (Temp1->String.Pointer);
    WriteValue.String.Pointer = Temp1->String.Pointer;

    Status = AcpiDbWriteToObject (Node, &WriteValue);
    if (ACPI_FAILURE (Status))
    {
        goto Exit;
    }

    /* Ensure that we can read back the original value */

    Status = AcpiDbReadFromObject (Node, ACPI_TYPE_STRING, &Temp3);
    if (ACPI_FAILURE (Status))
    {
        goto Exit;
    }

    if (strcmp (Temp1->String.Pointer, Temp3->String.Pointer))
    {
        AcpiOsPrintf (" MISMATCH 3: %s, expecting %s",
            Temp3->String.Pointer, Temp1->String.Pointer);
    }

Exit:
    if (Temp1) {AcpiOsFree (Temp1);}
    if (Temp2) {AcpiOsFree (Temp2);}
    if (Temp3) {AcpiOsFree (Temp3);}
    return (Status);
}
Пример #12
0
static ACPI_STATUS
AcpiDbTestBufferType (
    ACPI_NAMESPACE_NODE     *Node,
    UINT32                  BitLength)
{
    ACPI_OBJECT             *Temp1 = NULL;
    ACPI_OBJECT             *Temp2 = NULL;
    ACPI_OBJECT             *Temp3 = NULL;
    UINT8                   *Buffer;
    ACPI_OBJECT             WriteValue;
    ACPI_STATUS             Status;
    UINT32                  ByteLength;
    UINT32                  i;
    UINT8                   ExtraBits;


    ByteLength = ACPI_ROUND_BITS_UP_TO_BYTES (BitLength);
    if (ByteLength == 0)
    {
        AcpiOsPrintf (" Ignoring zero length buffer");
        return (AE_OK);
    }

    /* Allocate a local buffer */

    Buffer = ACPI_ALLOCATE_ZEROED (ByteLength);
    if (!Buffer)
    {
        return (AE_NO_MEMORY);
    }

    /* Read the original value */

    Status = AcpiDbReadFromObject (Node, ACPI_TYPE_BUFFER, &Temp1);
    if (ACPI_FAILURE (Status))
    {
        goto Exit;
    }

    /* Emit a few bytes of the buffer */

    AcpiOsPrintf (" (%4.4X/%3.3X)", BitLength, Temp1->Buffer.Length);
    for (i = 0; ((i < 4) && (i < ByteLength)); i++)
    {
        AcpiOsPrintf (" %2.2X", Temp1->Buffer.Pointer[i]);
    }
    AcpiOsPrintf ("...  ");

    /*
     * Write a new value.
     *
     * Handle possible extra bits at the end of the buffer. Can
     * happen for FieldUnits larger than an integer, but the bit
     * count is not an integral number of bytes. Zero out the
     * unused bits.
     */
    memset (Buffer, BUFFER_FILL_VALUE, ByteLength);
    ExtraBits = BitLength % 8;
    if (ExtraBits)
    {
        Buffer [ByteLength - 1] = ACPI_MASK_BITS_ABOVE (ExtraBits);
    }

    WriteValue.Type = ACPI_TYPE_BUFFER;
    WriteValue.Buffer.Length = ByteLength;
    WriteValue.Buffer.Pointer = Buffer;

    Status = AcpiDbWriteToObject (Node, &WriteValue);
    if (ACPI_FAILURE (Status))
    {
        goto Exit;
    }

    /* Ensure that we can read back the new value */

    Status = AcpiDbReadFromObject (Node, ACPI_TYPE_BUFFER, &Temp2);
    if (ACPI_FAILURE (Status))
    {
        goto Exit;
    }

    if (memcmp (Temp2->Buffer.Pointer, Buffer, ByteLength))
    {
        AcpiOsPrintf (" MISMATCH 2: New buffer value");
    }

    /* Write back the original value */

    WriteValue.Buffer.Length = ByteLength;
    WriteValue.Buffer.Pointer = Temp1->Buffer.Pointer;

    Status = AcpiDbWriteToObject (Node, &WriteValue);
    if (ACPI_FAILURE (Status))
    {
        goto Exit;
    }

    /* Ensure that we can read back the original value */

    Status = AcpiDbReadFromObject (Node, ACPI_TYPE_BUFFER, &Temp3);
    if (ACPI_FAILURE (Status))
    {
        goto Exit;
    }

    if (memcmp (Temp1->Buffer.Pointer,
            Temp3->Buffer.Pointer, ByteLength))
    {
        AcpiOsPrintf (" MISMATCH 3: While restoring original buffer");
    }

Exit:
    ACPI_FREE (Buffer);
    if (Temp1) {AcpiOsFree (Temp1);}
    if (Temp2) {AcpiOsFree (Temp2);}
    if (Temp3) {AcpiOsFree (Temp3);}
    return (Status);
}
Пример #13
0
static ACPI_STATUS
AcpiDbTestIntegerType (
    ACPI_NAMESPACE_NODE     *Node,
    UINT32                  BitLength)
{
    ACPI_OBJECT             *Temp1 = NULL;
    ACPI_OBJECT             *Temp2 = NULL;
    ACPI_OBJECT             *Temp3 = NULL;
    ACPI_OBJECT             WriteValue;
    UINT64                  ValueToWrite;
    ACPI_STATUS             Status;


    if (BitLength > 64)
    {
        AcpiOsPrintf (" Invalid length for an Integer: %u", BitLength);
        return (AE_OK);
    }

    /* Read the original value */

    Status = AcpiDbReadFromObject (Node, ACPI_TYPE_INTEGER, &Temp1);
    if (ACPI_FAILURE (Status))
    {
        return (Status);
    }

    AcpiOsPrintf (" (%4.4X/%3.3X) %8.8X%8.8X",
        BitLength, ACPI_ROUND_BITS_UP_TO_BYTES (BitLength),
        ACPI_FORMAT_UINT64 (Temp1->Integer.Value));

    ValueToWrite = ACPI_UINT64_MAX >> (64 - BitLength);
    if (Temp1->Integer.Value == ValueToWrite)
    {
        ValueToWrite = 0;
    }

    /* Write a new value */

    WriteValue.Type = ACPI_TYPE_INTEGER;
    WriteValue.Integer.Value = ValueToWrite;
    Status = AcpiDbWriteToObject (Node, &WriteValue);
    if (ACPI_FAILURE (Status))
    {
        goto Exit;
    }

    /* Ensure that we can read back the new value */

    Status = AcpiDbReadFromObject (Node, ACPI_TYPE_INTEGER, &Temp2);
    if (ACPI_FAILURE (Status))
    {
        goto Exit;
    }

    if (Temp2->Integer.Value != ValueToWrite)
    {
        AcpiOsPrintf (" MISMATCH 2: %8.8X%8.8X, expecting %8.8X%8.8X",
            ACPI_FORMAT_UINT64 (Temp2->Integer.Value),
            ACPI_FORMAT_UINT64 (ValueToWrite));
    }

    /* Write back the original value */

    WriteValue.Integer.Value = Temp1->Integer.Value;
    Status = AcpiDbWriteToObject (Node, &WriteValue);
    if (ACPI_FAILURE (Status))
    {
        goto Exit;
    }

    /* Ensure that we can read back the original value */

    Status = AcpiDbReadFromObject (Node, ACPI_TYPE_INTEGER, &Temp3);
    if (ACPI_FAILURE (Status))
    {
        goto Exit;
    }

    if (Temp3->Integer.Value != Temp1->Integer.Value)
    {
        AcpiOsPrintf (" MISMATCH 3: %8.8X%8.8X, expecting %8.8X%8.8X",
            ACPI_FORMAT_UINT64 (Temp3->Integer.Value),
            ACPI_FORMAT_UINT64 (Temp1->Integer.Value));
    }

Exit:
    if (Temp1) {AcpiOsFree (Temp1);}
    if (Temp2) {AcpiOsFree (Temp2);}
    if (Temp3) {AcpiOsFree (Temp3);}
    return (AE_OK);
}
Пример #14
0
/*
 * Parse the current state of this thermal zone and set up to use it.
 *
 * Note that we may have previous state, which will have to be discarded.
 */
static int
acpi_tz_establish(struct acpi_tz_softc *sc)
{
    ACPI_OBJECT	*obj;
    int		i;
    char	nbuf[8];

    ACPI_FUNCTION_TRACE((char *)(uintptr_t)__func__);

    /* Erase any existing state. */
    for (i = 0; i < TZ_NUMLEVELS; i++)
	if (sc->tz_zone.al[i].Pointer != NULL)
	    AcpiOsFree(sc->tz_zone.al[i].Pointer);
    if (sc->tz_zone.psl.Pointer != NULL)
	AcpiOsFree(sc->tz_zone.psl.Pointer);

    /*
     * XXX: We initialize only ACPI_BUFFER to avoid race condition
     * with passive cooling thread which refers psv, tc1, tc2 and tsp.
     */
    bzero(sc->tz_zone.ac, sizeof(sc->tz_zone.ac));
    bzero(sc->tz_zone.al, sizeof(sc->tz_zone.al));
    bzero(&sc->tz_zone.psl, sizeof(sc->tz_zone.psl));

    /* Evaluate thermal zone parameters. */
    for (i = 0; i < TZ_NUMLEVELS; i++) {
	sprintf(nbuf, "_AC%d", i);
	acpi_tz_getparam(sc, nbuf, &sc->tz_zone.ac[i]);
	sprintf(nbuf, "_AL%d", i);
	sc->tz_zone.al[i].Length = ACPI_ALLOCATE_BUFFER;
	sc->tz_zone.al[i].Pointer = NULL;
	AcpiEvaluateObject(sc->tz_handle, nbuf, NULL, &sc->tz_zone.al[i]);
	obj = (ACPI_OBJECT *)sc->tz_zone.al[i].Pointer;
	if (obj != NULL) {
	    /* Should be a package containing a list of power objects */
	    if (obj->Type != ACPI_TYPE_PACKAGE) {
		device_printf(sc->tz_dev, "%s has unknown type %d, rejecting\n",
			      nbuf, obj->Type);
		return_VALUE (ENXIO);
	    }
	}
    }
    acpi_tz_getparam(sc, "_CRT", &sc->tz_zone.crt);
    acpi_tz_getparam(sc, "_HOT", &sc->tz_zone.hot);
    sc->tz_zone.psl.Length = ACPI_ALLOCATE_BUFFER;
    sc->tz_zone.psl.Pointer = NULL;
    AcpiEvaluateObject(sc->tz_handle, "_PSL", NULL, &sc->tz_zone.psl);
    acpi_tz_getparam(sc, "_PSV", &sc->tz_zone.psv);
    acpi_tz_getparam(sc, "_TC1", &sc->tz_zone.tc1);
    acpi_tz_getparam(sc, "_TC2", &sc->tz_zone.tc2);
    acpi_tz_getparam(sc, "_TSP", &sc->tz_zone.tsp);
    acpi_tz_getparam(sc, "_TZP", &sc->tz_zone.tzp);

    /*
     * Sanity-check the values we've been given.
     *
     * XXX what do we do about systems that give us the same value for
     *     more than one of these setpoints?
     */
    acpi_tz_sanity(sc, &sc->tz_zone.crt, "_CRT");
    acpi_tz_sanity(sc, &sc->tz_zone.hot, "_HOT");
    acpi_tz_sanity(sc, &sc->tz_zone.psv, "_PSV");
    for (i = 0; i < TZ_NUMLEVELS; i++)
	acpi_tz_sanity(sc, &sc->tz_zone.ac[i], "_ACx");

    return_VALUE (0);
}
Пример #15
0
void
AeMiscellaneousTests (
    void)
{
    ACPI_HANDLE             Handle;
    ACPI_BUFFER             ReturnBuf;
    char                    Buffer[32];
    ACPI_VENDOR_UUID        Uuid = {0, {ACPI_INIT_UUID (0,0,0,0,0,0,0,0,0,0,0)}};
    ACPI_STATUS             Status;
    UINT32                  LockHandle1;
    UINT32                  LockHandle2;
    ACPI_STATISTICS         Stats;


    AeHardwareInterfaces ();
    AeGenericRegisters ();
    AeSetupConfiguration (Ssdt3Code);

    AeTestBufferArgument();
    AeTestPackageArgument ();


    Status = AcpiInstallInterface ("");
    AE_CHECK_STATUS (AcpiInstallInterface, Status, AE_BAD_PARAMETER);

    Status = AcpiInstallInterface ("TestString");
    AE_CHECK_OK (AcpiInstallInterface, Status);

    Status = AcpiInstallInterface ("TestString");
    AE_CHECK_STATUS (AcpiInstallInterface, Status, AE_ALREADY_EXISTS);

    Status = AcpiRemoveInterface ("Windows 2006");
    AE_CHECK_OK (AcpiRemoveInterface, Status);

    Status = AcpiRemoveInterface ("TestString");
    AE_CHECK_OK (AcpiRemoveInterface, Status);

    Status = AcpiRemoveInterface ("XXXXXX");
    AE_CHECK_STATUS (AcpiRemoveInterface, Status, AE_NOT_EXIST);

    Status = AcpiInstallInterface ("AnotherTestString");
    AE_CHECK_OK (AcpiInstallInterface, Status);


    Status = ExecuteOSI ("Windows 2001", 0xFFFFFFFF);
    AE_CHECK_OK (ExecuteOSI, Status);

    Status = ExecuteOSI ("MichiganTerminalSystem", 0);
    AE_CHECK_OK (ExecuteOSI, Status);


    ReturnBuf.Length = 32;
    ReturnBuf.Pointer = Buffer;

    Status = AcpiGetName (AcpiGbl_RootNode, ACPI_FULL_PATHNAME, &ReturnBuf);
    AE_CHECK_OK (AcpiGetName, Status);

    Status = AcpiEnableEvent (ACPI_EVENT_GLOBAL, 0);
    AE_CHECK_OK (AcpiEnableEvent, Status);

    /*
     * GPEs: Handlers, enable/disable, etc.
     */
    Status = AcpiInstallGpeHandler (NULL, 0, ACPI_GPE_LEVEL_TRIGGERED, AeGpeHandler, NULL);
    AE_CHECK_OK (AcpiInstallGpeHandler, Status);

    Status = AcpiEnableGpe (NULL, 0);
    AE_CHECK_OK (AcpiEnableGpe, Status);

    Status = AcpiRemoveGpeHandler (NULL, 0, AeGpeHandler);
    AE_CHECK_OK (AcpiRemoveGpeHandler, Status);

    Status = AcpiInstallGpeHandler (NULL, 0, ACPI_GPE_LEVEL_TRIGGERED, AeGpeHandler, NULL);
    AE_CHECK_OK (AcpiInstallGpeHandler, Status);

    Status = AcpiEnableGpe (NULL, 0);
    AE_CHECK_OK (AcpiEnableGpe, Status);

    Status = AcpiSetGpe (NULL, 0, ACPI_GPE_DISABLE);
    AE_CHECK_OK (AcpiSetGpe, Status);

    Status = AcpiSetGpe (NULL, 0, ACPI_GPE_ENABLE);
    AE_CHECK_OK (AcpiSetGpe, Status);


    Status = AcpiInstallGpeHandler (NULL, 1, ACPI_GPE_EDGE_TRIGGERED, AeGpeHandler, NULL);
    AE_CHECK_OK (AcpiInstallGpeHandler, Status);

    Status = AcpiEnableGpe (NULL, 1);
    AE_CHECK_OK (AcpiEnableGpe, Status);


    Status = AcpiInstallGpeHandler (NULL, 2, ACPI_GPE_LEVEL_TRIGGERED, AeGpeHandler, NULL);
    AE_CHECK_OK (AcpiInstallGpeHandler, Status);

    Status = AcpiEnableGpe (NULL, 2);
    AE_CHECK_OK (AcpiEnableGpe, Status);


    Status = AcpiInstallGpeHandler (NULL, 3, ACPI_GPE_EDGE_TRIGGERED, AeGpeHandler, NULL);
    AE_CHECK_OK (AcpiInstallGpeHandler, Status);

    Status = AcpiInstallGpeHandler (NULL, 4, ACPI_GPE_LEVEL_TRIGGERED, AeGpeHandler, NULL);
    AE_CHECK_OK (AcpiInstallGpeHandler, Status);

    Status = AcpiInstallGpeHandler (NULL, 5, ACPI_GPE_EDGE_TRIGGERED, AeGpeHandler, NULL);
    AE_CHECK_OK (AcpiInstallGpeHandler, Status);


    Status = AcpiInstallGpeHandler (NULL, 0x19, ACPI_GPE_LEVEL_TRIGGERED, AeGpeHandler, NULL);
    AE_CHECK_OK (AcpiInstallGpeHandler, Status);

    Status = AcpiEnableGpe (NULL, 0x19);
    AE_CHECK_OK (AcpiEnableGpe, Status);


    Status = AcpiInstallGpeHandler (NULL, 0x62, ACPI_GPE_LEVEL_TRIGGERED, AeGpeHandler, NULL);
    AE_CHECK_OK (AcpiInstallGpeHandler, Status);

    Status = AcpiEnableGpe (NULL, 0x62);
    AE_CHECK_OK (AcpiEnableGpe, Status);

    Status = AcpiDisableGpe (NULL, 0x62);
    AE_CHECK_OK (AcpiDisableGpe, Status);

    AfInstallGpeBlock ();


    Status = AcpiGetHandle (NULL, "RSRC", &Handle);
    if (ACPI_SUCCESS (Status))
    {
        ReturnBuf.Length = ACPI_ALLOCATE_BUFFER;

        Status = AcpiGetVendorResource (Handle, "_CRS", &Uuid, &ReturnBuf);
        if (ACPI_SUCCESS (Status))
        {
            AcpiOsFree (ReturnBuf.Pointer);
        }
    }

    /* Test global lock */

    Status = AcpiAcquireGlobalLock (0xFFFF, &LockHandle1);
    AE_CHECK_OK (AcpiAcquireGlobalLock, Status);

    Status = AcpiAcquireGlobalLock (0x5, &LockHandle2);
    AE_CHECK_OK (AcpiAcquireGlobalLock, Status);

    Status = AcpiReleaseGlobalLock (LockHandle1);
    AE_CHECK_OK (AcpiReleaseGlobalLock, Status);

    Status = AcpiReleaseGlobalLock (LockHandle2);
    AE_CHECK_OK (AcpiReleaseGlobalLock, Status);

    /* Get Devices */

    Status = AcpiGetDevices (NULL, AeGetDevices, NULL, NULL);
    AE_CHECK_OK (AcpiGetDevices, Status);

    Status = AcpiGetStatistics (&Stats);
    AE_CHECK_OK (AcpiGetStatistics, Status);
}
Пример #16
0
ACPI_TABLE_HEADER *
OsGetTable (
    char                *Signature)
{
    HKEY                Handle = NULL;
    ULONG               i;
    LONG                Status;
    ULONG               Type;
    ULONG               NameSize;
    ULONG               DataSize;
    HKEY                SubKey;
    ACPI_TABLE_HEADER   *ReturnTable;


    /* Get a handle to the table key */

    while (1)
    {
        ACPI_STRCPY (KeyBuffer, "HARDWARE\\ACPI\\");
        ACPI_STRCAT (KeyBuffer, Signature);

        Status = RegOpenKeyEx (HKEY_LOCAL_MACHINE, KeyBuffer,
                    0L, KEY_ALL_ACCESS, &Handle);

        if (Status != ERROR_SUCCESS)
        {
            /*
             * Somewhere along the way, MS changed the registry entry for
             * the FADT from
             * HARDWARE/ACPI/FACP  to
             * HARDWARE/ACPI/FADT.
             *
             * This code allows for both.
             */
            if (ACPI_COMPARE_NAME (Signature, "FACP"))
            {
                Signature = "FADT";
            }
            else
            {
                AcpiOsPrintf ("Could not find %s in registry at %s\n",
                    Signature, KeyBuffer);
                return (NULL);
            }
        }
        else
        {
            break;
        }
    }

    /* Actual data for table is down a couple levels */

    for (i = 0; ;)
    {
        Status = RegEnumKey (Handle, i, KeyBuffer, sizeof (KeyBuffer));
        i += 1;
        if (Status == ERROR_NO_MORE_ITEMS)
        {
            break;
        }

        Status = RegOpenKey (Handle, KeyBuffer, &SubKey);
        if (Status != ERROR_SUCCESS)
        {
            AcpiOsPrintf ("Could not open %s entry\n", Signature);
            return (NULL);
        }

        RegCloseKey (Handle);
        Handle = SubKey;
        i = 0;
    }

    /* Find the (binary) table entry */

    for (i = 0; ;)
    {
        NameSize = sizeof (KeyBuffer);
        Status = RegEnumValue (Handle, i, KeyBuffer, &NameSize,
                    NULL, &Type, NULL, 0);
        if (Status != ERROR_SUCCESS)
        {
            AcpiOsPrintf ("Could not get %s registry entry\n", Signature);
            return (NULL);
        }

        if (Type == REG_BINARY)
        {
            break;
        }
        i += 1;
    }

    /* Get the size of the table */

    Status = RegQueryValueEx (Handle, KeyBuffer, NULL, NULL, NULL, &DataSize);
    if (Status != ERROR_SUCCESS)
    {
        AcpiOsPrintf ("Could not read the %s table size\n", Signature);
        return (NULL);
    }

    /* Allocate a new buffer for the table */

    ReturnTable = AcpiOsAllocate (DataSize);
    if (!ReturnTable)
    {
        goto Cleanup;
    }

    /* Get the actual table from the registry */

    Status = RegQueryValueEx (Handle, KeyBuffer, NULL, NULL,
                (UCHAR *) ReturnTable, &DataSize);
    if (Status != ERROR_SUCCESS)
    {
        AcpiOsPrintf ("Could not read %s data\n", Signature);
        AcpiOsFree (ReturnTable);
        return (NULL);
    }

Cleanup:
    RegCloseKey (Handle);
    return (ReturnTable);
}
Пример #17
0
static void
aibs_attach_sif(struct aibs_softc *sc, enum aibs_type st)
{
	ACPI_STATUS		s;
	ACPI_BUFFER		b;
	ACPI_OBJECT		*bp, *o;
	int			i, n;
	const char		*node;
	char			name[] = "?SIF";
	struct aibs_sensor	*as;
	struct sysctl_oid	*so;

	switch (st) {
	case AIBS_VOLT:
		node = "volt";
		name[0] = 'V';
		break;
	case AIBS_TEMP:
		node = "temp";
		name[0] = 'T';
		break;
	case AIBS_FAN:
		node = "fan";
		name[0] = 'F';
		break;
	default:
		return;
	}

	b.Length = ACPI_ALLOCATE_BUFFER;
	s = AcpiEvaluateObjectTyped(sc->sc_ah, name, NULL, &b,
	    ACPI_TYPE_PACKAGE);
	if (ACPI_FAILURE(s)) {
		device_printf(sc->sc_dev, "%s not found\n", name);
		return;
	}

	bp = b.Pointer;
	o = bp->Package.Elements;
	if (o[0].Type != ACPI_TYPE_INTEGER) {
		device_printf(sc->sc_dev, "%s[0]: invalid type\n", name);
		AcpiOsFree(b.Pointer);
		return;
	}

	n = o[0].Integer.Value;
	if (bp->Package.Count - 1 < n) {
		device_printf(sc->sc_dev, "%s: invalid package\n", name);
		AcpiOsFree(b.Pointer);
		return;
	} else if (bp->Package.Count - 1 > n) {
		int on = n;

#ifdef AIBS_MORE_SENSORS
		n = bp->Package.Count - 1;
#endif
		device_printf(sc->sc_dev, "%s: malformed package: %i/%i"
		    ", assume %i\n", name, on, bp->Package.Count - 1, n);
	}
	if (n < 1) {
		device_printf(sc->sc_dev, "%s: no members in the package\n",
		    name);
		AcpiOsFree(b.Pointer);
		return;
	}

	as = malloc(sizeof(*as) * n, M_DEVBUF, M_NOWAIT | M_ZERO);
	if (as == NULL) {
		device_printf(sc->sc_dev, "%s: malloc fail\n", name);
		AcpiOsFree(b.Pointer);
		return;
	}
	switch (st) {
	case AIBS_VOLT:
		sc->sc_asens_volt = as;
		break;
	case AIBS_TEMP:
		sc->sc_asens_temp = as;
		break;
	case AIBS_FAN:
		sc->sc_asens_fan = as;
		break;
	}

	/* sysctl subtree for sensors of this type */
	so = SYSCTL_ADD_NODE(device_get_sysctl_ctx(sc->sc_dev),
	    SYSCTL_CHILDREN(device_get_sysctl_tree(sc->sc_dev)), st,
	    node, CTLFLAG_RD, NULL, NULL);

	for (i = 0, o++; i < n; i++, o++) {
		ACPI_OBJECT	*oi;
		char		si[3];
		const char	*desc;

		/* acpica5 automatically evaluates the referenced package */
		if (o[0].Type != ACPI_TYPE_PACKAGE) {
			device_printf(sc->sc_dev,
			    "%s: %i: not a package: %i type\n",
			    name, i, o[0].Type);
			continue;
		}
		oi = o[0].Package.Elements;
		if (o[0].Package.Count != 5 ||
		    oi[0].Type != ACPI_TYPE_INTEGER ||
		    oi[1].Type != ACPI_TYPE_STRING ||
		    oi[2].Type != ACPI_TYPE_INTEGER ||
		    oi[3].Type != ACPI_TYPE_INTEGER ||
		    oi[4].Type != ACPI_TYPE_INTEGER) {
			device_printf(sc->sc_dev,
			    "%s: %i: invalid package\n",
			    name, i);
			continue;
		}
		as[i].i = oi[0].Integer.Value;
		desc = oi[1].String.Pointer;
		as[i].l = oi[2].Integer.Value;
		as[i].h = oi[3].Integer.Value;
		as[i].t = st;
#ifdef AIBS_VERBOSE
		device_printf(sc->sc_dev, "%c%i: "
		    "0x%08"PRIx64" %20s %5"PRIi64" / %5"PRIi64"  "
		    "0x%"PRIx64"\n",
		    name[0], i,
		    (uint64_t)as[i].i, desc, (int64_t)as[i].l,
		    (int64_t)as[i].h, (uint64_t)oi[4].Integer.Value);
#endif
		snprintf(si, sizeof(si), "%i", i);
		SYSCTL_ADD_PROC(device_get_sysctl_ctx(sc->sc_dev),
		    SYSCTL_CHILDREN(so), i, si, CTLTYPE_INT | CTLFLAG_RD,
		    sc, st, aibs_sysctl, st == AIBS_TEMP ? "IK" : "I", desc);
	}

	AcpiOsFree(b.Pointer);
}
Пример #18
0
static void
acpi_cmbat_get_bst(void *arg)
{
    struct acpi_cmbat_softc *sc;
    ACPI_STATUS	as;
    ACPI_OBJECT	*res;
    ACPI_HANDLE	h;
    ACPI_BUFFER	bst_buffer;
    device_t dev;

    ACPI_SERIAL_ASSERT(cmbat);

    dev = arg;
    sc = device_get_softc(dev);
    h = acpi_get_handle(dev);
    bst_buffer.Pointer = NULL;
    bst_buffer.Length = ACPI_ALLOCATE_BUFFER;

    if (!acpi_cmbat_info_expired(&sc->bst_lastupdated))
	goto end;

    as = AcpiEvaluateObject(h, "_BST", NULL, &bst_buffer);
    if (ACPI_FAILURE(as)) {
	ACPI_VPRINT(dev, acpi_device_get_parent_softc(dev),
		    "error fetching current battery status -- %s\n",
		    AcpiFormatException(as));
	goto end;
    }

    res = (ACPI_OBJECT *)bst_buffer.Pointer;
    if (!ACPI_PKG_VALID(res, 4)) {
	ACPI_VPRINT(dev, acpi_device_get_parent_softc(dev),
		    "battery status corrupted\n");
	goto end;
    }

    if (acpi_PkgInt32(res, 0, &sc->bst.state) != 0)
	goto end;
    if (acpi_PkgInt32(res, 1, &sc->bst.rate) != 0)
	goto end;
    if (acpi_PkgInt32(res, 2, &sc->bst.cap) != 0)
	goto end;
    if (acpi_PkgInt32(res, 3, &sc->bst.volt) != 0)
	goto end;
    acpi_cmbat_info_updated(&sc->bst_lastupdated);

    /* Clear out undefined/extended bits that might be set by hardware. */
    sc->bst.state &= ACPI_BATT_STAT_BST_MASK;
    if ((sc->bst.state & ACPI_BATT_STAT_INVALID) == ACPI_BATT_STAT_INVALID)
	ACPI_VPRINT(dev, acpi_device_get_parent_softc(dev),
	    "battery reports simultaneous charging and discharging\n");

    /* XXX If all batteries are critical, perhaps we should suspend. */
    if (sc->bst.state & ACPI_BATT_STAT_CRITICAL) {
    	if ((sc->flags & ACPI_BATT_STAT_CRITICAL) == 0) {
	    sc->flags |= ACPI_BATT_STAT_CRITICAL;
	    device_printf(dev, "critically low charge!\n");
	}
    } else
	sc->flags &= ~ACPI_BATT_STAT_CRITICAL;

end:
    if (bst_buffer.Pointer != NULL)
	AcpiOsFree(bst_buffer.Pointer);
}
Пример #19
0
ACPI_STATUS
AcGetAllTablesFromFile (
    char                    *Filename,
    UINT8                   GetOnlyAmlTables,
    ACPI_NEW_TABLE_DESC     **ReturnListHead)
{
    ACPI_NEW_TABLE_DESC     *ListHead = NULL;
    ACPI_NEW_TABLE_DESC     *ListTail = NULL;
    ACPI_NEW_TABLE_DESC     *TableDesc;
    FILE                    *File;
    ACPI_TABLE_HEADER       *Table = NULL;
    UINT32                  FileSize;
    ACPI_STATUS             Status = AE_OK;


    File = fopen (Filename, "rb");
    if (!File)
    {
        fprintf (stderr, "Could not open input file: %s\n", Filename);
        if (errno == ENOENT)
        {
            return (AE_NOT_EXIST);
        }

        return (AE_ERROR);
    }

    /* Get the file size */

    FileSize = CmGetFileSize (File);
    if (FileSize == ACPI_UINT32_MAX)
    {
        Status = AE_ERROR;
        goto Exit;
    }

    fprintf (stderr,
        "Input file %s, Length 0x%X (%u) bytes\n",
        Filename, FileSize, FileSize);

    /* We must have at least one ACPI table header */

    if (FileSize < sizeof (ACPI_TABLE_HEADER))
    {
        Status = AE_BAD_HEADER;
        goto Exit;
    }

    /* Check for an non-binary file */

    if (!AcIsFileBinary (File))
    {
        fprintf (stderr,
            "    %s: File does not appear to contain a valid AML table\n",
            Filename);
        Status = AE_TYPE;
        goto Exit;
    }

    /* Read all tables within the file */

    while (ACPI_SUCCESS (Status))
    {
        /* Get one entire ACPI table */

        Status = AcGetOneTableFromFile (
            Filename, File, GetOnlyAmlTables, &Table);

        if (Status == AE_CTRL_TERMINATE)
        {
            Status = AE_OK;
            break;
        }
        else if (Status == AE_TYPE)
        {
            Status = AE_OK;
            goto Exit;
        }
        else if (ACPI_FAILURE (Status))
        {
            goto Exit;
        }

        /* Print table header for iASL/disassembler only */

#ifdef ACPI_ASL_COMPILER

        AcpiTbPrintTableHeader (0, Table);
#endif

        /* Allocate and link a table descriptor */

        TableDesc = AcpiOsAllocate (sizeof (ACPI_NEW_TABLE_DESC));
        if (!TableDesc)
        {
            AcpiOsFree (Table);
            Status = AE_NO_MEMORY;
            goto Exit;
        }

        TableDesc->Table = Table;
        TableDesc->Next = NULL;

        /* Link at the end of the local table list */

        if (!ListHead)
        {
            ListHead = TableDesc;
            ListTail = TableDesc;
        }
        else
        {
            ListTail->Next = TableDesc;
            ListTail = TableDesc;
        }
    }

    /* Add the local table list to the end of the global list */

    if (*ReturnListHead)
    {
        ListTail = *ReturnListHead;
        while (ListTail->Next)
        {
            ListTail = ListTail->Next;
        }

        ListTail->Next = ListHead;
    }
    else
    {
        *ReturnListHead = ListHead;
    }

Exit:
    fclose(File);
    return (Status);
}
Пример #20
0
static void
acpi_cmbat_get_bif(void *arg)
{
    struct acpi_cmbat_softc *sc;
    ACPI_STATUS	as;
    ACPI_OBJECT	*res;
    ACPI_HANDLE	h;
    ACPI_BUFFER	bif_buffer;
    device_t dev;

    ACPI_SERIAL_ASSERT(cmbat);

    dev = arg;
    sc = device_get_softc(dev);
    h = acpi_get_handle(dev);
    bif_buffer.Pointer = NULL;
    bif_buffer.Length = ACPI_ALLOCATE_BUFFER;

    as = AcpiEvaluateObject(h, "_BIF", NULL, &bif_buffer);
    if (ACPI_FAILURE(as)) {
	ACPI_VPRINT(dev, acpi_device_get_parent_softc(dev),
		    "error fetching current battery info -- %s\n",
		    AcpiFormatException(as));
	goto end;
    }

    res = (ACPI_OBJECT *)bif_buffer.Pointer;
    if (!ACPI_PKG_VALID(res, 13)) {
	ACPI_VPRINT(dev, acpi_device_get_parent_softc(dev),
		    "battery info corrupted\n");
	goto end;
    }

    if (acpi_PkgInt32(res, 0, &sc->bif.units) != 0)
	goto end;
    if (acpi_PkgInt32(res, 1, &sc->bif.dcap) != 0)
	goto end;
    if (acpi_PkgInt32(res, 2, &sc->bif.lfcap) != 0)
	goto end;
    if (acpi_PkgInt32(res, 3, &sc->bif.btech) != 0)
	goto end;
    if (acpi_PkgInt32(res, 4, &sc->bif.dvol) != 0)
	goto end;
    if (acpi_PkgInt32(res, 5, &sc->bif.wcap) != 0)
	goto end;
    if (acpi_PkgInt32(res, 6, &sc->bif.lcap) != 0)
	goto end;
    if (acpi_PkgInt32(res, 7, &sc->bif.gra1) != 0)
	goto end;
    if (acpi_PkgInt32(res, 8, &sc->bif.gra2) != 0)
	goto end;
    if (acpi_PkgStr(res,  9, sc->bif.model, ACPI_CMBAT_MAXSTRLEN) != 0)
	goto end;
    if (acpi_PkgStr(res, 10, sc->bif.serial, ACPI_CMBAT_MAXSTRLEN) != 0)
	goto end;
    if (acpi_PkgStr(res, 11, sc->bif.type, ACPI_CMBAT_MAXSTRLEN) != 0)
	goto end;
    if (acpi_PkgStr(res, 12, sc->bif.oeminfo, ACPI_CMBAT_MAXSTRLEN) != 0)
	goto end;

end:
    if (bif_buffer.Pointer != NULL)
	AcpiOsFree(bif_buffer.Pointer);
}
Пример #21
0
void
AbComputeChecksum (
    char                    *FilePath)
{
    UINT32                  Actual;
    ACPI_TABLE_HEADER       *Table;
    UINT8                   Checksum;
    FILE                    *File;


    File = fopen (FilePath, "rb");
    if (!File)
    {
        printf ("Could not open file %s\n", FilePath);
        return;
    }

    Actual = fread (&Header1, 1, sizeof (ACPI_TABLE_HEADER), File);
    if (Actual < sizeof (ACPI_TABLE_HEADER))
    {
        printf ("File %s does not contain a valid ACPI table header\n", FilePath);
        goto Exit1;
    }

    if (!AbValidateHeader (&Header1))
    {
        goto Exit1;
    }

    if (!Gbl_TerseMode)
    {
        AbPrintHeaderInfo (&Header1);
    }

    /* Allocate a buffer to hold the entire table */

    Table = AcpiOsAllocate (Header1.Length);
    if (!Table)
    {
        printf ("Could not allocate buffer for table\n");
        goto Exit1;
    }

    /* Read the entire table, including header */

    fseek (File, 0, SEEK_SET);
    Actual = fread (Table, 1, Header1.Length, File);
    if (Actual != Header1.Length)
    {
        printf ("Could not read table, length %u\n", Header1.Length);
        goto Exit2;
    }

    /* Compute the checksum for the table */

    Table->Checksum = 0;

    Checksum = (UINT8) (0 - AcpiTbSumTable (Table, Table->Length));
    printf ("Computed checksum: 0x%X\n\n", Checksum);

    if (Header1.Checksum == Checksum)
    {
        printf ("Checksum OK in AML file, not updating\n");
        goto Exit2;
    }

    /* Open the target file for writing, to update checksum */

    fclose (File);
    File = fopen (FilePath, "r+b");
    if (!File)
    {
        printf ("Could not open file %s for writing\n", FilePath);
        goto Exit2;
    }

    /* Set the checksum, write the new header */

    Header1.Checksum = Checksum;

    Actual = fwrite (&Header1, 1, sizeof (ACPI_TABLE_HEADER), File);
    if (Actual != sizeof (ACPI_TABLE_HEADER))
    {
        printf ("Could not write updated table header\n");
        goto Exit2;
    }

    printf ("Wrote new checksum\n");

Exit2:
    AcpiOsFree (Table);

Exit1:
    if (File)
    {
        fclose (File);
    }
    return;
}
Пример #22
0
ACPI_STATUS
AcpiEvaluateObjectTyped (
    ACPI_HANDLE             Handle,
    ACPI_STRING             Pathname,
    ACPI_OBJECT_LIST        *ExternalParams,
    ACPI_BUFFER             *ReturnBuffer,
    ACPI_OBJECT_TYPE        ReturnType)
{
    ACPI_STATUS             Status;
    BOOLEAN                 FreeBufferOnError = FALSE;
    ACPI_HANDLE             TargetHandle;
    char                    *FullPathname;


    ACPI_FUNCTION_TRACE (AcpiEvaluateObjectTyped);


    /* Return buffer must be valid */

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

    if (ReturnBuffer->Length == ACPI_ALLOCATE_BUFFER)
    {
        FreeBufferOnError = TRUE;
    }

    /* Get a handle here, in order to build an error message if needed */

    TargetHandle = Handle;
    if (Pathname)
    {
        Status = AcpiGetHandle (Handle, Pathname, &TargetHandle);
        if (ACPI_FAILURE (Status))
        {
            return_ACPI_STATUS (Status);
        }
    }

    FullPathname = AcpiNsGetExternalPathname (TargetHandle);
    if (!FullPathname)
    {
        return_ACPI_STATUS (AE_NO_MEMORY);
    }

    /* Evaluate the object */

    Status = AcpiEvaluateObject (TargetHandle, NULL, ExternalParams,
        ReturnBuffer);
    if (ACPI_FAILURE (Status))
    {
        goto Exit;
    }

    /* Type ANY means "don't care about return value type" */

    if (ReturnType == ACPI_TYPE_ANY)
    {
        goto Exit;
    }

    if (ReturnBuffer->Length == 0)
    {
        /* Error because caller specifically asked for a return value */

        ACPI_ERROR ((AE_INFO, "%s did not return any object",
            FullPathname));
        Status = AE_NULL_OBJECT;
        goto Exit;
    }

    /* Examine the object type returned from EvaluateObject */

    if (((ACPI_OBJECT *) ReturnBuffer->Pointer)->Type == ReturnType)
    {
        goto Exit;
    }

    /* Return object type does not match requested type */

    ACPI_ERROR ((AE_INFO,
        "Incorrect return type from %s - received [%s], requested [%s]",
        FullPathname,
        AcpiUtGetTypeName (((ACPI_OBJECT *) ReturnBuffer->Pointer)->Type),
        AcpiUtGetTypeName (ReturnType)));

    if (FreeBufferOnError)
    {
        /*
         * Free a buffer created via ACPI_ALLOCATE_BUFFER.
         * Note: We use AcpiOsFree here because AcpiOsAllocate was used
         * to allocate the buffer. This purposefully bypasses the
         * (optionally enabled) allocation tracking mechanism since we
         * only want to track internal allocations.
         */
        AcpiOsFree (ReturnBuffer->Pointer);
        ReturnBuffer->Pointer = NULL;
    }

    ReturnBuffer->Length = 0;
    Status = AE_TYPE;

Exit:
    ACPI_FREE (FullPathname);
    return_ACPI_STATUS (Status);
}
Пример #23
0
static ACPI_STATUS
ExecuteOSI (
    char                    *OsiString,
    UINT64                  ExpectedResult)
{
    ACPI_STATUS             Status;
    ACPI_OBJECT_LIST        ArgList;
    ACPI_OBJECT             Arg[1];
    ACPI_BUFFER             ReturnValue;
    ACPI_OBJECT             *Obj;


    /* Setup input argument */

    ArgList.Count = 1;
    ArgList.Pointer = Arg;

    Arg[0].Type = ACPI_TYPE_STRING;
    Arg[0].String.Pointer = OsiString;
    Arg[0].String.Length = strlen (Arg[0].String.Pointer);

    /* Ask ACPICA to allocate space for the return object */

    ReturnValue.Length = ACPI_ALLOCATE_BUFFER;

    Status = AcpiEvaluateObject (NULL, "\\_OSI", &ArgList, &ReturnValue);

    if (ACPI_FAILURE (Status))
    {
        AcpiOsPrintf (
            "Could not execute _OSI method, %s\n",
            AcpiFormatException (Status));
        return (Status);
    }

    Status = AE_ERROR;

    if (ReturnValue.Length < sizeof (ACPI_OBJECT))
    {
        AcpiOsPrintf (
            "Return value from _OSI method too small, %.8X\n",
            ReturnValue.Length);
        goto ErrorExit;
    }

    Obj = ReturnValue.Pointer;
    if (Obj->Type != ACPI_TYPE_INTEGER)
    {
        AcpiOsPrintf (
            "Invalid return type from _OSI method, %.2X\n", Obj->Type);
        goto ErrorExit;
    }

    if (Obj->Integer.Value != ExpectedResult)
    {
        AcpiOsPrintf (
            "Invalid return value from _OSI, expected %8.8X%8.8X found %8.8X%8.8X\n",
            ACPI_FORMAT_UINT64 (ExpectedResult),
            ACPI_FORMAT_UINT64 (Obj->Integer.Value));
        goto ErrorExit;
    }

    Status = AE_OK;

    /* Reset the OSI data */

    AcpiGbl_OsiData = 0;

ErrorExit:

    /* Free a buffer created via ACPI_ALLOCATE_BUFFER */

    AcpiOsFree (ReturnValue.Pointer);
    return (Status);
}
Пример #24
0
static int
acpi_cpu_attach(device_t dev)
{
    ACPI_BUFFER		   buf;
    ACPI_OBJECT		   arg[4], *obj;
    ACPI_OBJECT_LIST	   arglist;
    struct pcpu		   *pcpu_data;
    struct acpi_cpu_softc *sc;
    struct acpi_softc	  *acpi_sc;
    ACPI_STATUS		   status;
    u_int		   features;
    int			   cpu_id, drv_count, i;
    driver_t 		  **drivers;
    uint32_t		   cap_set[3];

    /* UUID needed by _OSC evaluation */
    static uint8_t cpu_oscuuid[16] = { 0x16, 0xA6, 0x77, 0x40, 0x0C, 0x29,
				       0xBE, 0x47, 0x9E, 0xBD, 0xD8, 0x70,
				       0x58, 0x71, 0x39, 0x53 };

    ACPI_FUNCTION_TRACE((char *)(uintptr_t)__func__);

    sc = device_get_softc(dev);
    sc->cpu_dev = dev;
    sc->cpu_handle = acpi_get_handle(dev);
    cpu_id = acpi_get_magic(dev);
    cpu_softc[cpu_id] = sc;
    pcpu_data = pcpu_find(cpu_id);
    pcpu_data->pc_device = dev;
    sc->cpu_pcpu = pcpu_data;
    cpu_smi_cmd = AcpiGbl_FADT.SmiCommand;
    cpu_cst_cnt = AcpiGbl_FADT.CstControl;

    buf.Pointer = NULL;
    buf.Length = ACPI_ALLOCATE_BUFFER;
    status = AcpiEvaluateObject(sc->cpu_handle, NULL, NULL, &buf);
    if (ACPI_FAILURE(status)) {
	device_printf(dev, "attach failed to get Processor obj - %s\n",
		      AcpiFormatException(status));
	return (ENXIO);
    }
    obj = (ACPI_OBJECT *)buf.Pointer;
    sc->cpu_p_blk = obj->Processor.PblkAddress;
    sc->cpu_p_blk_len = obj->Processor.PblkLength;
    sc->cpu_acpi_id = obj->Processor.ProcId;
    AcpiOsFree(obj);
    ACPI_DEBUG_PRINT((ACPI_DB_INFO, "acpi_cpu%d: P_BLK at %#x/%d\n",
		     device_get_unit(dev), sc->cpu_p_blk, sc->cpu_p_blk_len));

    /*
     * If this is the first cpu we attach, create and initialize the generic
     * resources that will be used by all acpi cpu devices.
     */
    if (device_get_unit(dev) == 0) {
	/* Assume we won't be using generic Cx mode by default */
	cpu_cx_generic = FALSE;

	/* Install hw.acpi.cpu sysctl tree */
	acpi_sc = acpi_device_get_parent_softc(dev);
	sysctl_ctx_init(&cpu_sysctl_ctx);
	cpu_sysctl_tree = SYSCTL_ADD_NODE(&cpu_sysctl_ctx,
	    SYSCTL_CHILDREN(acpi_sc->acpi_sysctl_tree), OID_AUTO, "cpu",
	    CTLFLAG_RD, 0, "node for CPU children");

	/* Queue post cpu-probing task handler */
	AcpiOsExecute(OSL_NOTIFY_HANDLER, acpi_cpu_startup, NULL);
    }

    /*
     * Before calling any CPU methods, collect child driver feature hints
     * and notify ACPI of them.  We support unified SMP power control
     * so advertise this ourselves.  Note this is not the same as independent
     * SMP control where each CPU can have different settings.
     */
    sc->cpu_features = ACPI_CAP_SMP_SAME | ACPI_CAP_SMP_SAME_C3;
    if (devclass_get_drivers(acpi_cpu_devclass, &drivers, &drv_count) == 0) {
	for (i = 0; i < drv_count; i++) {
	    if (ACPI_GET_FEATURES(drivers[i], &features) == 0)
		sc->cpu_features |= features;
	}
	free(drivers, M_TEMP);
    }

    /*
     * CPU capabilities are specified as a buffer of 32-bit integers:
     * revision, count, and one or more capabilities.  The revision of
     * "1" is not specified anywhere but seems to match Linux.
     */
    if (sc->cpu_features) {
	arglist.Pointer = arg;
	arglist.Count = 1;
	arg[0].Type = ACPI_TYPE_BUFFER;
	arg[0].Buffer.Length = sizeof(cap_set);
	arg[0].Buffer.Pointer = (uint8_t *)cap_set;
	cap_set[0] = 1; /* revision */
	cap_set[1] = 1; /* number of capabilities integers */
	cap_set[2] = sc->cpu_features;
	AcpiEvaluateObject(sc->cpu_handle, "_PDC", &arglist, NULL);

	/*
	 * On some systems we need to evaluate _OSC so that the ASL
	 * loads the _PSS and/or _PDC methods at runtime.
	 *
	 * TODO: evaluate failure of _OSC.
	 */
	arglist.Pointer = arg;
	arglist.Count = 4;
	arg[0].Type = ACPI_TYPE_BUFFER;
	arg[0].Buffer.Length = sizeof(cpu_oscuuid);
	arg[0].Buffer.Pointer = cpu_oscuuid;	/* UUID */
	arg[1].Type = ACPI_TYPE_INTEGER;
	arg[1].Integer.Value = 1;		/* revision */
	arg[2].Type = ACPI_TYPE_INTEGER;
	arg[2].Integer.Value = 1;		/* count */
	arg[3].Type = ACPI_TYPE_BUFFER;
	arg[3].Buffer.Length = sizeof(cap_set);	/* Capabilities buffer */
	arg[3].Buffer.Pointer = (uint8_t *)cap_set;
	cap_set[0] = 0;
	AcpiEvaluateObject(sc->cpu_handle, "_OSC", &arglist, NULL);
    }

    /* Probe for Cx state support. */
    acpi_cpu_cx_probe(sc);

    /* Finally,  call identify and probe/attach for child devices. */
    bus_generic_probe(dev);
    bus_generic_attach(dev);

    return (0);
}
Пример #25
0
ACPI_STATUS
AcpiEvaluateObjectTyped (
    ACPI_HANDLE             Handle,
    ACPI_STRING             Pathname,
    ACPI_OBJECT_LIST        *ExternalParams,
    ACPI_BUFFER             *ReturnBuffer,
    ACPI_OBJECT_TYPE        ReturnType)
{
    ACPI_STATUS             Status;
    BOOLEAN                 FreeBufferOnError = FALSE;


    ACPI_FUNCTION_TRACE (AcpiEvaluateObjectTyped);


    /* Return buffer must be valid */

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

    if (ReturnBuffer->Length == ACPI_ALLOCATE_BUFFER)
    {
        FreeBufferOnError = TRUE;
    }

    /* Evaluate the object */

    Status = AcpiEvaluateObject (Handle, Pathname,
        ExternalParams, ReturnBuffer);
    if (ACPI_FAILURE (Status))
    {
        return_ACPI_STATUS (Status);
    }

    /* Type ANY means "don't care" */

    if (ReturnType == ACPI_TYPE_ANY)
    {
        return_ACPI_STATUS (AE_OK);
    }

    if (ReturnBuffer->Length == 0)
    {
        /* Error because caller specifically asked for a return value */

        ACPI_ERROR ((AE_INFO, "No return value"));
        return_ACPI_STATUS (AE_NULL_OBJECT);
    }

    /* Examine the object type returned from EvaluateObject */

    if (((ACPI_OBJECT *) ReturnBuffer->Pointer)->Type == ReturnType)
    {
        return_ACPI_STATUS (AE_OK);
    }

    /* Return object type does not match requested type */

    ACPI_ERROR ((AE_INFO,
        "Incorrect return type [%s] requested [%s]",
        AcpiUtGetTypeName (((ACPI_OBJECT *) ReturnBuffer->Pointer)->Type),
        AcpiUtGetTypeName (ReturnType)));

    if (FreeBufferOnError)
    {
        /*
         * Free a buffer created via ACPI_ALLOCATE_BUFFER.
         * Note: We use AcpiOsFree here because AcpiOsAllocate was used
         * to allocate the buffer. This purposefully bypasses the
         * (optionally enabled) allocation tracking mechanism since we
         * only want to track internal allocations.
         */
        AcpiOsFree (ReturnBuffer->Pointer);
        ReturnBuffer->Pointer = NULL;
    }

    ReturnBuffer->Length = 0;
    return_ACPI_STATUS (AE_TYPE);
}
Пример #26
0
/*
 * Parse a _CST package and set up its Cx states.  Since the _CST object
 * can change dynamically, our notify handler may call this function
 * to clean up and probe the new _CST package.
 */
static int
acpi_cpu_cx_cst(struct acpi_cpu_softc *sc)
{
    struct	 acpi_cx *cx_ptr;
    ACPI_STATUS	 status;
    ACPI_BUFFER	 buf;
    ACPI_OBJECT	*top;
    ACPI_OBJECT	*pkg;
    uint32_t	 count;
    int		 i;

    ACPI_FUNCTION_TRACE((char *)(uintptr_t)__func__);

    buf.Pointer = NULL;
    buf.Length = ACPI_ALLOCATE_BUFFER;
    status = AcpiEvaluateObject(sc->cpu_handle, "_CST", NULL, &buf);
    if (ACPI_FAILURE(status))
	return (ENXIO);

    /* _CST is a package with a count and at least one Cx package. */
    top = (ACPI_OBJECT *)buf.Pointer;
    if (!ACPI_PKG_VALID(top, 2) || acpi_PkgInt32(top, 0, &count) != 0) {
	device_printf(sc->cpu_dev, "invalid _CST package\n");
	AcpiOsFree(buf.Pointer);
	return (ENXIO);
    }
    if (count != top->Package.Count - 1) {
	device_printf(sc->cpu_dev, "invalid _CST state count (%d != %d)\n",
	       count, top->Package.Count - 1);
	count = top->Package.Count - 1;
    }
    if (count > MAX_CX_STATES) {
	device_printf(sc->cpu_dev, "_CST has too many states (%d)\n", count);
	count = MAX_CX_STATES;
    }

    /* Set up all valid states. */
    sc->cpu_cx_count = 0;
    cx_ptr = sc->cpu_cx_states;
    for (i = 0; i < count; i++) {
	pkg = &top->Package.Elements[i + 1];
	if (!ACPI_PKG_VALID(pkg, 4) ||
	    acpi_PkgInt32(pkg, 1, &cx_ptr->type) != 0 ||
	    acpi_PkgInt32(pkg, 2, &cx_ptr->trans_lat) != 0 ||
	    acpi_PkgInt32(pkg, 3, &cx_ptr->power) != 0) {

	    device_printf(sc->cpu_dev, "skipping invalid Cx state package\n");
	    continue;
	}

	/* Validate the state to see if we should use it. */
	switch (cx_ptr->type) {
	case ACPI_STATE_C1:
	    sc->cpu_non_c3 = i;
	    cx_ptr++;
	    sc->cpu_cx_count++;
	    continue;
	case ACPI_STATE_C2:
	    if (cx_ptr->trans_lat > 100) {
		ACPI_DEBUG_PRINT((ACPI_DB_INFO,
				 "acpi_cpu%d: C2[%d] not available.\n",
				 device_get_unit(sc->cpu_dev), i));
		continue;
	    }
	    sc->cpu_non_c3 = i;
	    break;
	case ACPI_STATE_C3:
	default:
	    if (cx_ptr->trans_lat > 1000 ||
		(cpu_quirks & CPU_QUIRK_NO_C3) != 0) {

		ACPI_DEBUG_PRINT((ACPI_DB_INFO,
				 "acpi_cpu%d: C3[%d] not available.\n",
				 device_get_unit(sc->cpu_dev), i));
		continue;
	    }
	    break;
	}

#ifdef notyet
	/* Free up any previous register. */
	if (cx_ptr->p_lvlx != NULL) {
	    bus_release_resource(sc->cpu_dev, 0, 0, cx_ptr->p_lvlx);
	    cx_ptr->p_lvlx = NULL;
	}
#endif

	/* Allocate the control register for C2 or C3. */
	acpi_PkgGas(sc->cpu_dev, pkg, 0, &cx_ptr->res_type, &sc->cpu_rid,
	    &cx_ptr->p_lvlx, RF_SHAREABLE);
	if (cx_ptr->p_lvlx) {
	    sc->cpu_rid++;
	    ACPI_DEBUG_PRINT((ACPI_DB_INFO,
			     "acpi_cpu%d: Got C%d - %d latency\n",
			     device_get_unit(sc->cpu_dev), cx_ptr->type,
			     cx_ptr->trans_lat));
	    cx_ptr++;
	    sc->cpu_cx_count++;
	}
    }
    AcpiOsFree(buf.Pointer);

    return (0);
}
Пример #27
0
static int
acpi_cpu_attach(device_t dev)
{
    ACPI_BUFFER		   buf;
    ACPI_OBJECT		   arg, *obj;
    ACPI_OBJECT_LIST	   arglist;
    struct pcpu		   *pcpu_data;
    struct acpi_cpu_softc *sc;
    struct acpi_softc	  *acpi_sc;
    ACPI_STATUS		   status;
    u_int		   features;
    int			   cpu_id, drv_count, i;
    driver_t 		  **drivers;
    uint32_t		   cap_set[3];

    /* UUID needed by _OSC evaluation */
    static uint8_t cpu_oscuuid[16] = { 0x16, 0xA6, 0x77, 0x40, 0x0C, 0x29,
				       0xBE, 0x47, 0x9E, 0xBD, 0xD8, 0x70,
				       0x58, 0x71, 0x39, 0x53 };

    ACPI_FUNCTION_TRACE((char *)(uintptr_t)__func__);

    sc = device_get_softc(dev);
    sc->cpu_dev = dev;
    sc->cpu_handle = acpi_get_handle(dev);
    cpu_id = (int)(intptr_t)acpi_get_private(dev);
    cpu_softc[cpu_id] = sc;
    pcpu_data = pcpu_find(cpu_id);
    pcpu_data->pc_device = dev;
    sc->cpu_pcpu = pcpu_data;
    cpu_smi_cmd = AcpiGbl_FADT.SmiCommand;
    cpu_cst_cnt = AcpiGbl_FADT.CstControl;

    buf.Pointer = NULL;
    buf.Length = ACPI_ALLOCATE_BUFFER;
    status = AcpiEvaluateObject(sc->cpu_handle, NULL, NULL, &buf);
    if (ACPI_FAILURE(status)) {
	device_printf(dev, "attach failed to get Processor obj - %s\n",
		      AcpiFormatException(status));
	return (ENXIO);
    }
    obj = (ACPI_OBJECT *)buf.Pointer;
    sc->cpu_p_blk = obj->Processor.PblkAddress;
    sc->cpu_p_blk_len = obj->Processor.PblkLength;
    sc->cpu_acpi_id = obj->Processor.ProcId;
    AcpiOsFree(obj);
    ACPI_DEBUG_PRINT((ACPI_DB_INFO, "acpi_cpu%d: P_BLK at %#x/%d\n",
		     device_get_unit(dev), sc->cpu_p_blk, sc->cpu_p_blk_len));

    /*
     * If this is the first cpu we attach, create and initialize the generic
     * resources that will be used by all acpi cpu devices.
     */
    if (device_get_unit(dev) == 0) {
	/* Assume we won't be using generic Cx mode by default */
	cpu_cx_generic = FALSE;

	/* Install hw.acpi.cpu sysctl tree */
	acpi_sc = acpi_device_get_parent_softc(dev);
	sysctl_ctx_init(&cpu_sysctl_ctx);
	cpu_sysctl_tree = SYSCTL_ADD_NODE(&cpu_sysctl_ctx,
	    SYSCTL_CHILDREN(acpi_sc->acpi_sysctl_tree), OID_AUTO, "cpu",
	    CTLFLAG_RD, 0, "node for CPU children");
    }

    /*
     * Before calling any CPU methods, collect child driver feature hints
     * and notify ACPI of them.  We support unified SMP power control
     * so advertise this ourselves.  Note this is not the same as independent
     * SMP control where each CPU can have different settings.
     */
    sc->cpu_features = ACPI_CAP_SMP_SAME | ACPI_CAP_SMP_SAME_C3 |
      ACPI_CAP_C1_IO_HALT;

#if defined(__i386__) || defined(__amd64__)
    /*
     * Ask for MWAIT modes if not disabled and interrupts work
     * reasonable with MWAIT.
     */
    if (!acpi_disabled("mwait") && cpu_mwait_usable())
	sc->cpu_features |= ACPI_CAP_SMP_C1_NATIVE | ACPI_CAP_SMP_C3_NATIVE;
#endif

    if (devclass_get_drivers(acpi_cpu_devclass, &drivers, &drv_count) == 0) {
	for (i = 0; i < drv_count; i++) {
	    if (ACPI_GET_FEATURES(drivers[i], &features) == 0)
		sc->cpu_features |= features;
	}
	free(drivers, M_TEMP);
    }

    /*
     * CPU capabilities are specified in
     * Intel Processor Vendor-Specific ACPI Interface Specification.
     */
    if (sc->cpu_features) {
	cap_set[1] = sc->cpu_features;
	status = acpi_EvaluateOSC(sc->cpu_handle, cpu_oscuuid, 1, 2, cap_set,
	    cap_set, false);
	if (ACPI_SUCCESS(status)) {
	    if (cap_set[0] != 0)
		device_printf(dev, "_OSC returned status %#x\n", cap_set[0]);
	}
	else {
	    arglist.Pointer = &arg;
	    arglist.Count = 1;
	    arg.Type = ACPI_TYPE_BUFFER;
	    arg.Buffer.Length = sizeof(cap_set);
	    arg.Buffer.Pointer = (uint8_t *)cap_set;
	    cap_set[0] = 1; /* revision */
	    cap_set[1] = 1; /* number of capabilities integers */
	    cap_set[2] = sc->cpu_features;
	    AcpiEvaluateObject(sc->cpu_handle, "_PDC", &arglist, NULL);
	}
    }

    /* Probe for Cx state support. */
    acpi_cpu_cx_probe(sc);

    return (0);
}
Пример #28
0
static ACPI_STATUS
acpi_pci_link_route_irqs(device_t dev)
{
	struct acpi_pci_link_softc *sc;
	ACPI_RESOURCE *resource, *end;
	ACPI_BUFFER srsbuf;
	ACPI_STATUS status;
	struct link *link;
	int i;

	ACPI_SERIAL_ASSERT(pci_link);
	sc = device_get_softc(dev);
	if (sc->pl_crs_bad)
		status = acpi_pci_link_srs_from_links(sc, &srsbuf);
	else
		status = acpi_pci_link_srs_from_crs(sc, &srsbuf);

	/* Write out new resources via _SRS. */
	status = AcpiSetCurrentResources(acpi_get_handle(dev), &srsbuf);
	if (ACPI_FAILURE(status)) {
		device_printf(dev, "Unable to route IRQs: %s\n",
		    AcpiFormatException(status));
		AcpiOsFree(srsbuf.Pointer);
		return (status);
	}

	/*
	 * Perform acpi_config_intr() on each IRQ resource if it was just
	 * routed for the first time.
	 */
	link = sc->pl_links;
	i = 0;
	resource = (ACPI_RESOURCE *)srsbuf.Pointer;
	end = (ACPI_RESOURCE *)((char *)srsbuf.Pointer + srsbuf.Length);
	for (;;) {
		if (resource->Type == ACPI_RESOURCE_TYPE_END_TAG)
			break;
		switch (resource->Type) {
		case ACPI_RESOURCE_TYPE_IRQ:
		case ACPI_RESOURCE_TYPE_EXTENDED_IRQ:
			MPASS(i < sc->pl_num_links);

			/*
			 * Only configure the interrupt and update the
			 * weights if this link has a valid IRQ and was
			 * previously unrouted.
			 */
			if (!link->l_routed &&
			    PCI_INTERRUPT_VALID(link->l_irq)) {
				link->l_routed = TRUE;
				acpi_config_intr(dev, resource);
				pci_link_interrupt_weights[link->l_irq] +=
				    link->l_references;
			}
			link++;
			i++;
			break;
		}
		resource = ACPI_NEXT_RESOURCE(resource);
		if (resource >= end)
			break;
	}
	AcpiOsFree(srsbuf.Pointer);
	return (AE_OK);
}
Пример #29
0
void
AcpiDbCreateExecutionThreads (
    char                    *NumThreadsArg,
    char                    *NumLoopsArg,
    char                    *MethodNameArg)
{
    ACPI_STATUS             Status;
    UINT32                  NumThreads;
    UINT32                  NumLoops;
    UINT32                  i;
    UINT32                  Size;
    ACPI_MUTEX              MainThreadGate;
    ACPI_MUTEX              ThreadCompleteGate;
    ACPI_MUTEX              InfoGate;


    /* Get the arguments */

    NumThreads = ACPI_STRTOUL (NumThreadsArg, NULL, 0);
    NumLoops   = ACPI_STRTOUL (NumLoopsArg, NULL, 0);

    if (!NumThreads || !NumLoops)
    {
        AcpiOsPrintf ("Bad argument: Threads %X, Loops %X\n",
            NumThreads, NumLoops);
        return;
    }

    /*
     * Create the semaphore for synchronization of
     * the created threads with the main thread.
     */
    Status = AcpiOsCreateSemaphore (1, 0, &MainThreadGate);
    if (ACPI_FAILURE (Status))
    {
        AcpiOsPrintf ("Could not create semaphore for synchronization with the main thread, %s\n",
            AcpiFormatException (Status));
        return;
    }

    /*
     * Create the semaphore for synchronization
     * between the created threads.
     */
    Status = AcpiOsCreateSemaphore (1, 1, &ThreadCompleteGate);
    if (ACPI_FAILURE (Status))
    {
        AcpiOsPrintf ("Could not create semaphore for synchronization between the created threads, %s\n",
            AcpiFormatException (Status));
        (void) AcpiOsDeleteSemaphore (MainThreadGate);
        return;
    }

    Status = AcpiOsCreateSemaphore (1, 1, &InfoGate);
    if (ACPI_FAILURE (Status))
    {
        AcpiOsPrintf ("Could not create semaphore for synchronization of AcpiGbl_DbMethodInfo, %s\n",
            AcpiFormatException (Status));
        (void) AcpiOsDeleteSemaphore (ThreadCompleteGate);
        (void) AcpiOsDeleteSemaphore (MainThreadGate);
        return;
    }

    ACPI_MEMSET (&AcpiGbl_DbMethodInfo, 0, sizeof (ACPI_DB_METHOD_INFO));

    /* Array to store IDs of threads */

    AcpiGbl_DbMethodInfo.NumThreads = NumThreads;
    Size = sizeof (ACPI_THREAD_ID) * AcpiGbl_DbMethodInfo.NumThreads;
    AcpiGbl_DbMethodInfo.Threads = AcpiOsAllocate (Size);
    if (AcpiGbl_DbMethodInfo.Threads == NULL)
    {
        AcpiOsPrintf ("No memory for thread IDs array\n");
        (void) AcpiOsDeleteSemaphore (MainThreadGate);
        (void) AcpiOsDeleteSemaphore (ThreadCompleteGate);
        (void) AcpiOsDeleteSemaphore (InfoGate);
        return;
    }
    ACPI_MEMSET (AcpiGbl_DbMethodInfo.Threads, 0, Size);

    /* Setup the context to be passed to each thread */

    AcpiGbl_DbMethodInfo.Name = MethodNameArg;
    AcpiGbl_DbMethodInfo.Flags = 0;
    AcpiGbl_DbMethodInfo.NumLoops = NumLoops;
    AcpiGbl_DbMethodInfo.MainThreadGate = MainThreadGate;
    AcpiGbl_DbMethodInfo.ThreadCompleteGate = ThreadCompleteGate;
    AcpiGbl_DbMethodInfo.InfoGate = InfoGate;

    /* Init arguments to be passed to method */

    AcpiGbl_DbMethodInfo.InitArgs = 1;
    AcpiGbl_DbMethodInfo.Args = AcpiGbl_DbMethodInfo.Arguments;
    AcpiGbl_DbMethodInfo.Arguments[0] = AcpiGbl_DbMethodInfo.NumThreadsStr;
    AcpiGbl_DbMethodInfo.Arguments[1] = AcpiGbl_DbMethodInfo.IdOfThreadStr;
    AcpiGbl_DbMethodInfo.Arguments[2] = AcpiGbl_DbMethodInfo.IndexOfThreadStr;
    AcpiGbl_DbMethodInfo.Arguments[3] = NULL;

    AcpiGbl_DbMethodInfo.Types = AcpiGbl_DbMethodInfo.ArgTypes;
    AcpiGbl_DbMethodInfo.ArgTypes[0] = ACPI_TYPE_INTEGER;
    AcpiGbl_DbMethodInfo.ArgTypes[1] = ACPI_TYPE_INTEGER;
    AcpiGbl_DbMethodInfo.ArgTypes[2] = ACPI_TYPE_INTEGER;

    AcpiDbUint32ToHexString (NumThreads, AcpiGbl_DbMethodInfo.NumThreadsStr);

    Status = AcpiDbExecuteSetup (&AcpiGbl_DbMethodInfo);
    if (ACPI_FAILURE (Status))
    {
        goto CleanupAndExit;
    }

    /* Get the NS node, determines existence also */

    Status = AcpiGetHandle (NULL, AcpiGbl_DbMethodInfo.Pathname,
        &AcpiGbl_DbMethodInfo.Method);
    if (ACPI_FAILURE (Status))
    {
        AcpiOsPrintf ("%s Could not get handle for %s\n",
            AcpiFormatException (Status), AcpiGbl_DbMethodInfo.Pathname);
        goto CleanupAndExit;
    }

    /* Create the threads */

    AcpiOsPrintf ("Creating %X threads to execute %X times each\n",
        NumThreads, NumLoops);

    for (i = 0; i < (NumThreads); i++)
    {
        Status = AcpiOsExecute (OSL_DEBUGGER_THREAD, AcpiDbMethodThread,
            &AcpiGbl_DbMethodInfo);
        if (ACPI_FAILURE (Status))
        {
            break;
        }
    }

    /* Wait for all threads to complete */

    (void) AcpiOsWaitSemaphore (MainThreadGate, 1, ACPI_WAIT_FOREVER);

    AcpiDbSetOutputDestination (ACPI_DB_DUPLICATE_OUTPUT);
    AcpiOsPrintf ("All threads (%X) have completed\n", NumThreads);
    AcpiDbSetOutputDestination (ACPI_DB_CONSOLE_OUTPUT);

CleanupAndExit:

    /* Cleanup and exit */

    (void) AcpiOsDeleteSemaphore (MainThreadGate);
    (void) AcpiOsDeleteSemaphore (ThreadCompleteGate);
    (void) AcpiOsDeleteSemaphore (InfoGate);

    AcpiOsFree (AcpiGbl_DbMethodInfo.Threads);
    AcpiGbl_DbMethodInfo.Threads = NULL;
}
Пример #30
0
ACPI_STATUS
AcpiEvaluateObjectTyped (
    ACPI_HANDLE             Handle,
    ACPI_STRING             Pathname,
    ACPI_OBJECT_LIST        *ExternalParams,
    ACPI_BUFFER             *ReturnBuffer,
    ACPI_OBJECT_TYPE        ReturnType)
{
    ACPI_STATUS             Status;
    BOOLEAN                 MustFree = FALSE;


    ACPI_FUNCTION_TRACE (AcpiEvaluateObjectTyped);


    /* Return buffer must be valid */

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

    if (ReturnBuffer->Length == ACPI_ALLOCATE_BUFFER)
    {
        MustFree = TRUE;
    }

    /* Evaluate the object */

    Status = AcpiEvaluateObject (Handle, Pathname, ExternalParams, ReturnBuffer);
    if (ACPI_FAILURE (Status))
    {
        return_ACPI_STATUS (Status);
    }

    /* Type ANY means "don't care" */

    if (ReturnType == ACPI_TYPE_ANY)
    {
        return_ACPI_STATUS (AE_OK);
    }

    if (ReturnBuffer->Length == 0)
    {
        /* Error because caller specifically asked for a return value */

        ACPI_ERROR ((AE_INFO, "No return value"));
        return_ACPI_STATUS (AE_NULL_OBJECT);
    }

    /* Examine the object type returned from EvaluateObject */

    if (((ACPI_OBJECT *) ReturnBuffer->Pointer)->Type == ReturnType)
    {
        return_ACPI_STATUS (AE_OK);
    }

    /* Return object type does not match requested type */

    ACPI_ERROR ((AE_INFO,
        "Incorrect return type [%s] requested [%s]",
        AcpiUtGetTypeName (((ACPI_OBJECT *) ReturnBuffer->Pointer)->Type),
        AcpiUtGetTypeName (ReturnType)));

    if (MustFree)
    {
        /* Caller used ACPI_ALLOCATE_BUFFER, free the return buffer */

        AcpiOsFree (ReturnBuffer->Pointer);
        ReturnBuffer->Pointer = NULL;
    }

    ReturnBuffer->Length = 0;
    return_ACPI_STATUS (AE_TYPE);
}