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/*******************************************************************************
*
* Module Name: rsaddr - Address resource descriptors (16/32/64)
*
******************************************************************************/
/*
* Copyright (C) 2000 - 2006, R. Byron Moore
* 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/acpi.h>
#include <acpi/acresrc.h>
#define _COMPONENT ACPI_RESOURCES
ACPI_MODULE_NAME("rsaddr")
/*******************************************************************************
*
* acpi_rs_convert_address16 - All WORD (16-bit) address resources
*
******************************************************************************/
struct acpi_rsconvert_info acpi_rs_convert_address16[5] = {
{ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_ADDRESS16,
ACPI_RS_SIZE(struct acpi_resource_address16),
ACPI_RSC_TABLE_SIZE(acpi_rs_convert_address16)},
{ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_ADDRESS16,
sizeof(struct aml_resource_address16),
0},
/* Resource Type, General Flags, and Type-Specific Flags */
{ACPI_RSC_ADDRESS, 0, 0, 0},
/*
* These fields are contiguous in both the source and destination:
* Address Granularity
* Address Range Minimum
* Address Range Maximum
* Address Translation Offset
* Address Length
*/
{ACPI_RSC_MOVE16, ACPI_RS_OFFSET(data.address16.granularity),
AML_OFFSET(address16.granularity),
5},
/* Optional resource_source (Index and String) */
{ACPI_RSC_SOURCE, ACPI_RS_OFFSET(data.address16.resource_source),
0,
sizeof(struct aml_resource_address16)}
};
/*******************************************************************************
*
* acpi_rs_convert_address32 - All DWORD (32-bit) address resources
*
******************************************************************************/
struct acpi_rsconvert_info acpi_rs_convert_address32[5] = {
{ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_ADDRESS32,
ACPI_RS_SIZE(struct acpi_resource_address32),
ACPI_RSC_TABLE_SIZE(acpi_rs_convert_address32)},
{ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_ADDRESS32,
sizeof(struct aml_resource_address32),
0},
/* Resource Type, General Flags, and Type-Specific Flags */
{ACPI_RSC_ADDRESS, 0, 0, 0},
/*
* These fields are contiguous in both the source and destination:
* Address Granularity
* Address Range Minimum
* Address Range Maximum
* Address Translation Offset
* Address Length
*/
{ACPI_RSC_MOVE32, ACPI_RS_OFFSET(data.address32.granularity),
AML_OFFSET(address32.granularity),
5},
/* Optional resource_source (Index and String) */
{ACPI_RSC_SOURCE, ACPI_RS_OFFSET(data.address32.resource_source),
0,
sizeof(struct aml_resource_address32)}
};
/*******************************************************************************
*
* acpi_rs_convert_address64 - All QWORD (64-bit) address resources
*
******************************************************************************/
struct acpi_rsconvert_info acpi_rs_convert_address64[5] = {
{ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_ADDRESS64,
ACPI_RS_SIZE(struct acpi_resource_address64),
ACPI_RSC_TABLE_SIZE(acpi_rs_convert_address64)},
{ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_ADDRESS64,
sizeof(struct aml_resource_address64),
0},
/* Resource Type, General Flags, and Type-Specific Flags */
{ACPI_RSC_ADDRESS, 0, 0, 0},
/*
* These fields are contiguous in both the source and destination:
* Address Granularity
* Address Range Minimum
* Address Range Maximum
* Address Translation Offset
* Address Length
*/
{ACPI_RSC_MOVE64, ACPI_RS_OFFSET(data.address64.granularity),
AML_OFFSET(address64.granularity),
5},
/* Optional resource_source (Index and String) */
{ACPI_RSC_SOURCE, ACPI_RS_OFFSET(data.address64.resource_source),
0,
sizeof(struct aml_resource_address64)}
};
/*******************************************************************************
*
* acpi_rs_convert_ext_address64 - All Extended (64-bit) address resources
*
******************************************************************************/
struct acpi_rsconvert_info acpi_rs_convert_ext_address64[5] = {
{ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_EXTENDED_ADDRESS64,
ACPI_RS_SIZE(struct acpi_resource_extended_address64),
ACPI_RSC_TABLE_SIZE(acpi_rs_convert_ext_address64)},
{ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_EXTENDED_ADDRESS64,
sizeof(struct aml_resource_extended_address64),
0},
/* Resource Type, General Flags, and Type-Specific Flags */
{ACPI_RSC_ADDRESS, 0, 0, 0},
/* Revision ID */
{ACPI_RSC_MOVE8, ACPI_RS_OFFSET(data.ext_address64.revision_iD),
AML_OFFSET(ext_address64.revision_iD),
1},
/*
* These fields are contiguous in both the source and destination:
* Address Granularity
* Address Range Minimum
* Address Range Maximum
* Address Translation Offset
* Address Length
* Type-Specific Attribute
*/
{ACPI_RSC_MOVE64, ACPI_RS_OFFSET(data.ext_address64.granularity),
AML_OFFSET(ext_address64.granularity),
6}
};
/*******************************************************************************
*
* acpi_rs_convert_general_flags - Flags common to all address descriptors
*
******************************************************************************/
static struct acpi_rsconvert_info acpi_rs_convert_general_flags[6] = {
{ACPI_RSC_FLAGINIT, 0, AML_OFFSET(address.flags),
ACPI_RSC_TABLE_SIZE(acpi_rs_convert_general_flags)},
/* Resource Type (Memory, Io, bus_number, etc.) */
{ACPI_RSC_MOVE8, ACPI_RS_OFFSET(data.address.resource_type),
AML_OFFSET(address.resource_type),
1},
/* General Flags - Consume, Decode, min_fixed, max_fixed */
{ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.address.producer_consumer),
AML_OFFSET(address.flags),
0},
{ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.address.decode),
AML_OFFSET(address.flags),
1},
{ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.address.min_address_fixed),
AML_OFFSET(address.flags),
2},
{ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.address.max_address_fixed),
AML_OFFSET(address.flags),
3}
};
/*******************************************************************************
*
* acpi_rs_convert_mem_flags - Flags common to Memory address descriptors
*
******************************************************************************/
static struct acpi_rsconvert_info acpi_rs_convert_mem_flags[5] = {
{ACPI_RSC_FLAGINIT, 0, AML_OFFSET(address.specific_flags),
ACPI_RSC_TABLE_SIZE(acpi_rs_convert_mem_flags)},
/* Memory-specific flags */
{ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.address.info.mem.write_protect),
AML_OFFSET(address.specific_flags),
0},
{ACPI_RSC_2BITFLAG, ACPI_RS_OFFSET(data.address.info.mem.caching),
AML_OFFSET(address.specific_flags),
1},
{ACPI_RSC_2BITFLAG, ACPI_RS_OFFSET(data.address.info.mem.range_type),
AML_OFFSET(address.specific_flags),
3},
{ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.address.info.mem.translation),
AML_OFFSET(address.specific_flags),
5}
};
/*******************************************************************************
*
* acpi_rs_convert_io_flags - Flags common to I/O address descriptors
*
******************************************************************************/
static struct acpi_rsconvert_info acpi_rs_convert_io_flags[4] = {
{ACPI_RSC_FLAGINIT, 0, AML_OFFSET(address.specific_flags),
ACPI_RSC_TABLE_SIZE(acpi_rs_convert_io_flags)},
/* I/O-specific flags */
{ACPI_RSC_2BITFLAG, ACPI_RS_OFFSET(data.address.info.io.range_type),
AML_OFFSET(address.specific_flags),
0},
{ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.address.info.io.translation),
AML_OFFSET(address.specific_flags),
4},
{ACPI_RSC_1BITFLAG,
ACPI_RS_OFFSET(data.address.info.io.translation_type),
AML_OFFSET(address.specific_flags),
5}
};
/*******************************************************************************
*
* FUNCTION: acpi_rs_get_address_common
*
* PARAMETERS: Resource - Pointer to the internal resource struct
* Aml - Pointer to the AML resource descriptor
*
* RETURN: TRUE if the resource_type field is OK, FALSE otherwise
*
* DESCRIPTION: Convert common flag fields from a raw AML resource descriptor
* to an internal resource descriptor
*
******************************************************************************/
u8
acpi_rs_get_address_common(struct acpi_resource *resource,
union aml_resource *aml)
{
ACPI_FUNCTION_ENTRY();
/* Validate the Resource Type */
if ((aml->address.resource_type > 2)
&& (aml->address.resource_type < 0xC0)) {
return (FALSE);
}
/* Get the Resource Type and General Flags */
(void)acpi_rs_convert_aml_to_resource(resource, aml,
acpi_rs_convert_general_flags);
/* Get the Type-Specific Flags (Memory and I/O descriptors only) */
if (resource->data.address.resource_type == ACPI_MEMORY_RANGE) {
(void)acpi_rs_convert_aml_to_resource(resource, aml,
acpi_rs_convert_mem_flags);
} else if (resource->data.address.resource_type == ACPI_IO_RANGE) {
(void)acpi_rs_convert_aml_to_resource(resource, aml,
acpi_rs_convert_io_flags);
} else {
/* Generic resource type, just grab the type_specific byte */
resource->data.address.info.type_specific =
aml->address.specific_flags;
}
return (TRUE);
}
/*******************************************************************************
*
* FUNCTION: acpi_rs_set_address_common
*
* PARAMETERS: Aml - Pointer to the AML resource descriptor
* Resource - Pointer to the internal resource struct
*
* RETURN: None
*
* DESCRIPTION: Convert common flag fields from a resource descriptor to an
* AML descriptor
*
******************************************************************************/
void
acpi_rs_set_address_common(union aml_resource *aml,
struct acpi_resource *resource)
{
ACPI_FUNCTION_ENTRY();
/* Set the Resource Type and General Flags */
(void)acpi_rs_convert_resource_to_aml(resource, aml,
acpi_rs_convert_general_flags);
/* Set the Type-Specific Flags (Memory and I/O descriptors only) */
if (resource->data.address.resource_type == ACPI_MEMORY_RANGE) {
(void)acpi_rs_convert_resource_to_aml(resource, aml,
acpi_rs_convert_mem_flags);
} else if (resource->data.address.resource_type == ACPI_IO_RANGE) {
(void)acpi_rs_convert_resource_to_aml(resource, aml,
acpi_rs_convert_io_flags);
} else {
/* Generic resource type, just copy the type_specific byte */
aml->address.specific_flags =
resource->data.address.info.type_specific;
}
}
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