/******************************************************************************
*
* Module Name: utaddress - OpRegion address range check
*
*****************************************************************************/
/*
* Copyright (C) 2000 - 2016, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions, and the following disclaimer,
* without modification.
* 2. Redistributions in binary form must reproduce at minimum a disclaimer
* substantially similar to the "NO WARRANTY" disclaimer below
* ("Disclaimer") and any redistribution must be conditioned upon
* including a substantially similar Disclaimer requirement for further
* binary redistribution.
* 3. Neither the names of the above-listed copyright holders nor the names
* of any contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* Alternatively, this software may be distributed under the terms of the
* GNU General Public License ("GPL") version 2 as published by the Free
* Software Foundation.
*
* NO WARRANTY
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGES.
*/
#include "acpi.h"
#include "accommon.h"
#include "acnamesp.h"
ACPI_MODULE_NAME ("utaddress")
/*******************************************************************************
*
* FUNCTION: AcpiUtAddAddressRange
*
* PARAMETERS: SpaceId - Address space ID
* Address - OpRegion start address
* Length - OpRegion length
* RegionNode - OpRegion namespace node
*
* RETURN: Status
*
* DESCRIPTION: Add the Operation Region address range to the global list.
* The only supported Space IDs are Memory and I/O. Called when
*
* MUTEX: Locks the namespace
*
* NOTE: Because this interface is only called when an OpRegion argument
* list is evaluated, there cannot be any duplicate RegionNodes.
* address conflicts can be detected.
*
******************************************************************************/
{
if ((SpaceId != ACPI_ADR_SPACE_SYSTEM_MEMORY) &&
{
}
if (!RangeInfo)
{
}
if (ACPI_FAILURE (Status))
{
}
"\nAdded [%4.4s] address range: 0x%8.8X%8.8X-0x%8.8X%8.8X\n",
(void) AcpiUtReleaseMutex (ACPI_MTX_NAMESPACE);
}
/*******************************************************************************
*
* FUNCTION: AcpiUtRemoveAddressRange
*
* PARAMETERS: SpaceId - Address space ID
* RegionNode - OpRegion namespace node
*
* RETURN: None
*
* DESCRIPTION: Remove the Operation Region from the global list. The only
* supported Space IDs are Memory and I/O. Called when an
* OpRegion is deleted.
*
* MUTEX: Assumes the namespace is locked
*
******************************************************************************/
void
{
if ((SpaceId != ACPI_ADR_SPACE_SYSTEM_MEMORY) &&
{
}
/* Get the appropriate list head and check the list */
while (RangeInfo)
{
{
{
}
else
{
}
"\nRemoved [%4.4s] address range: 0x%8.8X%8.8X-0x%8.8X%8.8X\n",
}
}
}
/*******************************************************************************
*
* FUNCTION: AcpiUtCheckAddressRange
*
* PARAMETERS: SpaceId - Address space ID
* Address - Start address
* Length - Length of address range
* Warn - TRUE if warning on overlap desired
*
* RETURN: Count of the number of conflicts detected. Zero is always
* returned for Space IDs other than Memory or I/O.
*
* DESCRIPTION: Check if the input address range overlaps any of the
* ASL operation region address ranges. The only supported
* Space IDs are Memory and I/O.
*
* MUTEX: Assumes the namespace is locked.
*
******************************************************************************/
{
char *Pathname;
if ((SpaceId != ACPI_ADR_SPACE_SYSTEM_MEMORY) &&
{
return_UINT32 (0);
}
/* Check entire list for all possible conflicts */
while (RangeInfo)
{
/*
* address range. There are four cases to consider:
*
* address range
*/
{
/* Found an address range overlap */
OverlapCount++;
if (Warn) /* Optional warning message */
{
"%s range 0x%8.8X%8.8X-0x%8.8X%8.8X conflicts with OpRegion 0x%8.8X%8.8X-0x%8.8X%8.8X (%s)",
Pathname));
}
}
}
}
/*******************************************************************************
*
* FUNCTION: AcpiUtDeleteAddressLists
*
* PARAMETERS: None
*
* RETURN: None
*
* DESCRIPTION: Delete all global address range lists (called during
* subsystem shutdown).
*
******************************************************************************/
void
void)
{
int i;
/* Delete all elements in all address range lists */
for (i = 0; i < ACPI_ADDRESS_RANGE_MAX; i++)
{
Next = AcpiGbl_AddressRangeList[i];
while (Next)
{
}
AcpiGbl_AddressRangeList[i] = NULL;
}
}