347 lines
10 KiB
C
347 lines
10 KiB
C
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// SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0
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/*******************************************************************************
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*
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* Module Name: rsaddr - Address resource descriptors (16/32/64)
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*
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******************************************************************************/
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#include <acpi/acpi.h>
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#include "accommon.h"
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#include "acresrc.h"
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#define _COMPONENT ACPI_RESOURCES
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ACPI_MODULE_NAME("rsaddr")
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/*******************************************************************************
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*
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* acpi_rs_convert_address16 - All WORD (16-bit) address resources
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*
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******************************************************************************/
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struct acpi_rsconvert_info acpi_rs_convert_address16[5] = {
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{ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_ADDRESS16,
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ACPI_RS_SIZE(struct acpi_resource_address16),
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ACPI_RSC_TABLE_SIZE(acpi_rs_convert_address16)},
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{ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_ADDRESS16,
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sizeof(struct aml_resource_address16),
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0},
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/* Resource Type, General Flags, and Type-Specific Flags */
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{ACPI_RSC_ADDRESS, 0, 0, 0},
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/*
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* These fields are contiguous in both the source and destination:
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* Address Granularity
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* Address Range Minimum
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* Address Range Maximum
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* Address Translation Offset
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* Address Length
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*/
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{ACPI_RSC_MOVE16, ACPI_RS_OFFSET(data.address16.address.granularity),
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AML_OFFSET(address16.granularity),
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5},
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/* Optional resource_source (Index and String) */
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{ACPI_RSC_SOURCE, ACPI_RS_OFFSET(data.address16.resource_source),
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0,
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sizeof(struct aml_resource_address16)}
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};
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/*******************************************************************************
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*
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* acpi_rs_convert_address32 - All DWORD (32-bit) address resources
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*
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******************************************************************************/
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struct acpi_rsconvert_info acpi_rs_convert_address32[5] = {
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{ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_ADDRESS32,
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ACPI_RS_SIZE(struct acpi_resource_address32),
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ACPI_RSC_TABLE_SIZE(acpi_rs_convert_address32)},
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{ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_ADDRESS32,
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sizeof(struct aml_resource_address32),
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0},
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/* Resource Type, General Flags, and Type-Specific Flags */
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{ACPI_RSC_ADDRESS, 0, 0, 0},
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/*
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* These fields are contiguous in both the source and destination:
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* Address Granularity
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* Address Range Minimum
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* Address Range Maximum
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* Address Translation Offset
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* Address Length
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*/
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{ACPI_RSC_MOVE32, ACPI_RS_OFFSET(data.address32.address.granularity),
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AML_OFFSET(address32.granularity),
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5},
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/* Optional resource_source (Index and String) */
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{ACPI_RSC_SOURCE, ACPI_RS_OFFSET(data.address32.resource_source),
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0,
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sizeof(struct aml_resource_address32)}
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};
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/*******************************************************************************
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*
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* acpi_rs_convert_address64 - All QWORD (64-bit) address resources
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*
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******************************************************************************/
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struct acpi_rsconvert_info acpi_rs_convert_address64[5] = {
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{ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_ADDRESS64,
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ACPI_RS_SIZE(struct acpi_resource_address64),
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ACPI_RSC_TABLE_SIZE(acpi_rs_convert_address64)},
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{ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_ADDRESS64,
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sizeof(struct aml_resource_address64),
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0},
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/* Resource Type, General Flags, and Type-Specific Flags */
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{ACPI_RSC_ADDRESS, 0, 0, 0},
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/*
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* These fields are contiguous in both the source and destination:
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* Address Granularity
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* Address Range Minimum
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* Address Range Maximum
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* Address Translation Offset
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* Address Length
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*/
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{ACPI_RSC_MOVE64, ACPI_RS_OFFSET(data.address64.address.granularity),
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AML_OFFSET(address64.granularity),
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5},
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/* Optional resource_source (Index and String) */
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{ACPI_RSC_SOURCE, ACPI_RS_OFFSET(data.address64.resource_source),
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0,
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sizeof(struct aml_resource_address64)}
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};
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/*******************************************************************************
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*
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* acpi_rs_convert_ext_address64 - All Extended (64-bit) address resources
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*
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******************************************************************************/
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struct acpi_rsconvert_info acpi_rs_convert_ext_address64[5] = {
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{ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_EXTENDED_ADDRESS64,
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ACPI_RS_SIZE(struct acpi_resource_extended_address64),
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ACPI_RSC_TABLE_SIZE(acpi_rs_convert_ext_address64)},
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{ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_EXTENDED_ADDRESS64,
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sizeof(struct aml_resource_extended_address64),
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0},
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/* Resource Type, General Flags, and Type-Specific Flags */
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{ACPI_RSC_ADDRESS, 0, 0, 0},
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/* Revision ID */
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{ACPI_RSC_MOVE8, ACPI_RS_OFFSET(data.ext_address64.revision_ID),
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AML_OFFSET(ext_address64.revision_ID),
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1},
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/*
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* These fields are contiguous in both the source and destination:
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* Address Granularity
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* Address Range Minimum
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* Address Range Maximum
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* Address Translation Offset
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* Address Length
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* Type-Specific Attribute
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*/
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{ACPI_RSC_MOVE64,
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ACPI_RS_OFFSET(data.ext_address64.address.granularity),
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AML_OFFSET(ext_address64.granularity),
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6}
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};
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/*******************************************************************************
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*
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* acpi_rs_convert_general_flags - Flags common to all address descriptors
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*
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******************************************************************************/
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static struct acpi_rsconvert_info acpi_rs_convert_general_flags[6] = {
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{ACPI_RSC_FLAGINIT, 0, AML_OFFSET(address.flags),
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ACPI_RSC_TABLE_SIZE(acpi_rs_convert_general_flags)},
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/* Resource Type (Memory, Io, bus_number, etc.) */
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{ACPI_RSC_MOVE8, ACPI_RS_OFFSET(data.address.resource_type),
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AML_OFFSET(address.resource_type),
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1},
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/* General flags - Consume, Decode, min_fixed, max_fixed */
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{ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.address.producer_consumer),
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AML_OFFSET(address.flags),
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0},
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{ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.address.decode),
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AML_OFFSET(address.flags),
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1},
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{ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.address.min_address_fixed),
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AML_OFFSET(address.flags),
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2},
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{ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.address.max_address_fixed),
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AML_OFFSET(address.flags),
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3}
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};
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/*******************************************************************************
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*
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* acpi_rs_convert_mem_flags - Flags common to Memory address descriptors
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*
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******************************************************************************/
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static struct acpi_rsconvert_info acpi_rs_convert_mem_flags[5] = {
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{ACPI_RSC_FLAGINIT, 0, AML_OFFSET(address.specific_flags),
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ACPI_RSC_TABLE_SIZE(acpi_rs_convert_mem_flags)},
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/* Memory-specific flags */
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{ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.address.info.mem.write_protect),
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AML_OFFSET(address.specific_flags),
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0},
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{ACPI_RSC_2BITFLAG, ACPI_RS_OFFSET(data.address.info.mem.caching),
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AML_OFFSET(address.specific_flags),
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1},
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{ACPI_RSC_2BITFLAG, ACPI_RS_OFFSET(data.address.info.mem.range_type),
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AML_OFFSET(address.specific_flags),
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3},
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{ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.address.info.mem.translation),
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AML_OFFSET(address.specific_flags),
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5}
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};
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/*******************************************************************************
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*
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* acpi_rs_convert_io_flags - Flags common to I/O address descriptors
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*
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******************************************************************************/
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static struct acpi_rsconvert_info acpi_rs_convert_io_flags[4] = {
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{ACPI_RSC_FLAGINIT, 0, AML_OFFSET(address.specific_flags),
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ACPI_RSC_TABLE_SIZE(acpi_rs_convert_io_flags)},
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/* I/O-specific flags */
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{ACPI_RSC_2BITFLAG, ACPI_RS_OFFSET(data.address.info.io.range_type),
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AML_OFFSET(address.specific_flags),
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0},
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{ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.address.info.io.translation),
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AML_OFFSET(address.specific_flags),
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4},
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{ACPI_RSC_1BITFLAG,
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ACPI_RS_OFFSET(data.address.info.io.translation_type),
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AML_OFFSET(address.specific_flags),
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5}
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};
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/*******************************************************************************
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*
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* FUNCTION: acpi_rs_get_address_common
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*
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* PARAMETERS: resource - Pointer to the internal resource struct
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* aml - Pointer to the AML resource descriptor
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*
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* RETURN: TRUE if the resource_type field is OK, FALSE otherwise
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*
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* DESCRIPTION: Convert common flag fields from a raw AML resource descriptor
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* to an internal resource descriptor
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*
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******************************************************************************/
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u8
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acpi_rs_get_address_common(struct acpi_resource *resource,
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union aml_resource *aml)
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{
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ACPI_FUNCTION_ENTRY();
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/* Validate the Resource Type */
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if ((aml->address.resource_type > 2) &&
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(aml->address.resource_type < 0xC0)) {
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return (FALSE);
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}
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/* Get the Resource Type and General Flags */
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(void)acpi_rs_convert_aml_to_resource(resource, aml,
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acpi_rs_convert_general_flags);
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/* Get the Type-Specific Flags (Memory and I/O descriptors only) */
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if (resource->data.address.resource_type == ACPI_MEMORY_RANGE) {
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(void)acpi_rs_convert_aml_to_resource(resource, aml,
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acpi_rs_convert_mem_flags);
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} else if (resource->data.address.resource_type == ACPI_IO_RANGE) {
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(void)acpi_rs_convert_aml_to_resource(resource, aml,
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acpi_rs_convert_io_flags);
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} else {
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/* Generic resource type, just grab the type_specific byte */
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resource->data.address.info.type_specific =
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aml->address.specific_flags;
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}
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return (TRUE);
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}
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/*******************************************************************************
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*
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* FUNCTION: acpi_rs_set_address_common
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*
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* PARAMETERS: aml - Pointer to the AML resource descriptor
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* resource - Pointer to the internal resource struct
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*
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* RETURN: None
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*
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* DESCRIPTION: Convert common flag fields from a resource descriptor to an
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* AML descriptor
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*
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******************************************************************************/
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void
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acpi_rs_set_address_common(union aml_resource *aml,
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struct acpi_resource *resource)
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{
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ACPI_FUNCTION_ENTRY();
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/* Set the Resource Type and General Flags */
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(void)acpi_rs_convert_resource_to_aml(resource, aml,
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acpi_rs_convert_general_flags);
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/* Set the Type-Specific Flags (Memory and I/O descriptors only) */
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if (resource->data.address.resource_type == ACPI_MEMORY_RANGE) {
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(void)acpi_rs_convert_resource_to_aml(resource, aml,
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acpi_rs_convert_mem_flags);
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} else if (resource->data.address.resource_type == ACPI_IO_RANGE) {
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(void)acpi_rs_convert_resource_to_aml(resource, aml,
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acpi_rs_convert_io_flags);
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} else {
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/* Generic resource type, just copy the type_specific byte */
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aml->address.specific_flags =
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resource->data.address.info.type_specific;
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}
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}
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