/******************************************************************************* * * Module Name: rsaddr - Address resource descriptors (16/32/64) * ******************************************************************************/ /* * Copyright (C) 2000 - 2007, 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; } }