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| Rev | Author | Line No. | Line |
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| 6595 | serge | 1 | /******************************************************************************* |
| 2 | * |
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| 3 | * Module Name: rsaddr - Address resource descriptors (16/32/64) |
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| 4 | * |
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| 5 | ******************************************************************************/ |
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| 6 | |||
| 7 | /* |
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| 8 | * Copyright (C) 2000 - 2015, Intel Corp. |
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| 9 | * All rights reserved. |
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| 10 | * |
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| 11 | * Redistribution and use in source and binary forms, with or without |
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| 12 | * modification, are permitted provided that the following conditions |
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| 13 | * are met: |
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| 14 | * 1. Redistributions of source code must retain the above copyright |
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| 15 | * notice, this list of conditions, and the following disclaimer, |
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| 16 | * without modification. |
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| 17 | * 2. Redistributions in binary form must reproduce at minimum a disclaimer |
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| 18 | * substantially similar to the "NO WARRANTY" disclaimer below |
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| 19 | * ("Disclaimer") and any redistribution must be conditioned upon |
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| 20 | * including a substantially similar Disclaimer requirement for further |
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| 21 | * binary redistribution. |
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| 22 | * 3. Neither the names of the above-listed copyright holders nor the names |
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| 23 | * of any contributors may be used to endorse or promote products derived |
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| 24 | * from this software without specific prior written permission. |
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| 25 | * |
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| 26 | * Alternatively, this software may be distributed under the terms of the |
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| 27 | * GNU General Public License ("GPL") version 2 as published by the Free |
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| 28 | * Software Foundation. |
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| 29 | * |
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| 30 | * NO WARRANTY |
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| 31 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
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| 32 | * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
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| 33 | * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR |
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| 34 | * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
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| 35 | * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
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| 36 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
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| 37 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
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| 38 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, |
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| 39 | * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING |
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| 40 | * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
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| 41 | * POSSIBILITY OF SUCH DAMAGES. |
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| 42 | */ |
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| 43 | |||
| 44 | #include |
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| 45 | #include "accommon.h" |
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| 46 | #include "acresrc.h" |
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| 47 | |||
| 48 | #define _COMPONENT ACPI_RESOURCES |
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| 49 | ACPI_MODULE_NAME("rsaddr") |
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| 50 | |||
| 51 | /******************************************************************************* |
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| 52 | * |
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| 53 | * acpi_rs_convert_address16 - All WORD (16-bit) address resources |
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| 54 | * |
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| 55 | ******************************************************************************/ |
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| 56 | struct acpi_rsconvert_info acpi_rs_convert_address16[5] = { |
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| 57 | {ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_ADDRESS16, |
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| 58 | ACPI_RS_SIZE(struct acpi_resource_address16), |
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| 59 | ACPI_RSC_TABLE_SIZE(acpi_rs_convert_address16)}, |
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| 60 | |||
| 61 | {ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_ADDRESS16, |
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| 62 | sizeof(struct aml_resource_address16), |
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| 63 | 0}, |
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| 64 | |||
| 65 | /* Resource Type, General Flags, and Type-Specific Flags */ |
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| 66 | |||
| 67 | {ACPI_RSC_ADDRESS, 0, 0, 0}, |
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| 68 | |||
| 69 | /* |
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| 70 | * These fields are contiguous in both the source and destination: |
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| 71 | * Address Granularity |
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| 72 | * Address Range Minimum |
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| 73 | * Address Range Maximum |
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| 74 | * Address Translation Offset |
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| 75 | * Address Length |
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| 76 | */ |
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| 77 | {ACPI_RSC_MOVE16, ACPI_RS_OFFSET(data.address16.address.granularity), |
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| 78 | AML_OFFSET(address16.granularity), |
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| 79 | 5}, |
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| 80 | |||
| 81 | /* Optional resource_source (Index and String) */ |
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| 82 | |||
| 83 | {ACPI_RSC_SOURCE, ACPI_RS_OFFSET(data.address16.resource_source), |
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| 84 | 0, |
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| 85 | sizeof(struct aml_resource_address16)} |
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| 86 | }; |
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| 87 | |||
| 88 | /******************************************************************************* |
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| 89 | * |
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| 90 | * acpi_rs_convert_address32 - All DWORD (32-bit) address resources |
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| 91 | * |
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| 92 | ******************************************************************************/ |
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| 93 | |||
| 94 | struct acpi_rsconvert_info acpi_rs_convert_address32[5] = { |
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| 95 | {ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_ADDRESS32, |
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| 96 | ACPI_RS_SIZE(struct acpi_resource_address32), |
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| 97 | ACPI_RSC_TABLE_SIZE(acpi_rs_convert_address32)}, |
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| 98 | |||
| 99 | {ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_ADDRESS32, |
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| 100 | sizeof(struct aml_resource_address32), |
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| 101 | 0}, |
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| 102 | |||
| 103 | /* Resource Type, General Flags, and Type-Specific Flags */ |
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| 104 | |||
| 105 | {ACPI_RSC_ADDRESS, 0, 0, 0}, |
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| 106 | |||
| 107 | /* |
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| 108 | * These fields are contiguous in both the source and destination: |
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| 109 | * Address Granularity |
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| 110 | * Address Range Minimum |
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| 111 | * Address Range Maximum |
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| 112 | * Address Translation Offset |
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| 113 | * Address Length |
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| 114 | */ |
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| 115 | {ACPI_RSC_MOVE32, ACPI_RS_OFFSET(data.address32.address.granularity), |
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| 116 | AML_OFFSET(address32.granularity), |
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| 117 | 5}, |
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| 118 | |||
| 119 | /* Optional resource_source (Index and String) */ |
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| 120 | |||
| 121 | {ACPI_RSC_SOURCE, ACPI_RS_OFFSET(data.address32.resource_source), |
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| 122 | 0, |
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| 123 | sizeof(struct aml_resource_address32)} |
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| 124 | }; |
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| 125 | |||
| 126 | /******************************************************************************* |
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| 127 | * |
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| 128 | * acpi_rs_convert_address64 - All QWORD (64-bit) address resources |
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| 129 | * |
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| 130 | ******************************************************************************/ |
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| 131 | |||
| 132 | struct acpi_rsconvert_info acpi_rs_convert_address64[5] = { |
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| 133 | {ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_ADDRESS64, |
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| 134 | ACPI_RS_SIZE(struct acpi_resource_address64), |
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| 135 | ACPI_RSC_TABLE_SIZE(acpi_rs_convert_address64)}, |
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| 136 | |||
| 137 | {ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_ADDRESS64, |
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| 138 | sizeof(struct aml_resource_address64), |
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| 139 | 0}, |
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| 140 | |||
| 141 | /* Resource Type, General Flags, and Type-Specific Flags */ |
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| 142 | |||
| 143 | {ACPI_RSC_ADDRESS, 0, 0, 0}, |
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| 144 | |||
| 145 | /* |
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| 146 | * These fields are contiguous in both the source and destination: |
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| 147 | * Address Granularity |
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| 148 | * Address Range Minimum |
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| 149 | * Address Range Maximum |
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| 150 | * Address Translation Offset |
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| 151 | * Address Length |
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| 152 | */ |
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| 153 | {ACPI_RSC_MOVE64, ACPI_RS_OFFSET(data.address64.address.granularity), |
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| 154 | AML_OFFSET(address64.granularity), |
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| 155 | 5}, |
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| 156 | |||
| 157 | /* Optional resource_source (Index and String) */ |
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| 158 | |||
| 159 | {ACPI_RSC_SOURCE, ACPI_RS_OFFSET(data.address64.resource_source), |
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| 160 | 0, |
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| 161 | sizeof(struct aml_resource_address64)} |
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| 162 | }; |
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| 163 | |||
| 164 | /******************************************************************************* |
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| 165 | * |
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| 166 | * acpi_rs_convert_ext_address64 - All Extended (64-bit) address resources |
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| 167 | * |
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| 168 | ******************************************************************************/ |
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| 169 | |||
| 170 | struct acpi_rsconvert_info acpi_rs_convert_ext_address64[5] = { |
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| 171 | {ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_EXTENDED_ADDRESS64, |
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| 172 | ACPI_RS_SIZE(struct acpi_resource_extended_address64), |
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| 173 | ACPI_RSC_TABLE_SIZE(acpi_rs_convert_ext_address64)}, |
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| 174 | |||
| 175 | {ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_EXTENDED_ADDRESS64, |
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| 176 | sizeof(struct aml_resource_extended_address64), |
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| 177 | 0}, |
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| 178 | |||
| 179 | /* Resource Type, General Flags, and Type-Specific Flags */ |
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| 180 | |||
| 181 | {ACPI_RSC_ADDRESS, 0, 0, 0}, |
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| 182 | |||
| 183 | /* Revision ID */ |
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| 184 | |||
| 185 | {ACPI_RSC_MOVE8, ACPI_RS_OFFSET(data.ext_address64.revision_ID), |
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| 186 | AML_OFFSET(ext_address64.revision_ID), |
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| 187 | 1}, |
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| 188 | /* |
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| 189 | * These fields are contiguous in both the source and destination: |
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| 190 | * Address Granularity |
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| 191 | * Address Range Minimum |
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| 192 | * Address Range Maximum |
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| 193 | * Address Translation Offset |
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| 194 | * Address Length |
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| 195 | * Type-Specific Attribute |
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| 196 | */ |
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| 197 | {ACPI_RSC_MOVE64, |
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| 198 | ACPI_RS_OFFSET(data.ext_address64.address.granularity), |
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| 199 | AML_OFFSET(ext_address64.granularity), |
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| 200 | 6} |
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| 201 | }; |
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| 202 | |||
| 203 | /******************************************************************************* |
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| 204 | * |
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| 205 | * acpi_rs_convert_general_flags - Flags common to all address descriptors |
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| 206 | * |
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| 207 | ******************************************************************************/ |
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| 208 | |||
| 209 | static struct acpi_rsconvert_info acpi_rs_convert_general_flags[6] = { |
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| 210 | {ACPI_RSC_FLAGINIT, 0, AML_OFFSET(address.flags), |
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| 211 | ACPI_RSC_TABLE_SIZE(acpi_rs_convert_general_flags)}, |
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| 212 | |||
| 213 | /* Resource Type (Memory, Io, bus_number, etc.) */ |
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| 214 | |||
| 215 | {ACPI_RSC_MOVE8, ACPI_RS_OFFSET(data.address.resource_type), |
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| 216 | AML_OFFSET(address.resource_type), |
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| 217 | 1}, |
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| 218 | |||
| 219 | /* General flags - Consume, Decode, min_fixed, max_fixed */ |
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| 220 | |||
| 221 | {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.address.producer_consumer), |
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| 222 | AML_OFFSET(address.flags), |
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| 223 | 0}, |
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| 224 | |||
| 225 | {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.address.decode), |
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| 226 | AML_OFFSET(address.flags), |
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| 227 | 1}, |
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| 228 | |||
| 229 | {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.address.min_address_fixed), |
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| 230 | AML_OFFSET(address.flags), |
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| 231 | 2}, |
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| 232 | |||
| 233 | {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.address.max_address_fixed), |
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| 234 | AML_OFFSET(address.flags), |
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| 235 | 3} |
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| 236 | }; |
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| 237 | |||
| 238 | /******************************************************************************* |
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| 239 | * |
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| 240 | * acpi_rs_convert_mem_flags - Flags common to Memory address descriptors |
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| 241 | * |
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| 242 | ******************************************************************************/ |
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| 243 | |||
| 244 | static struct acpi_rsconvert_info acpi_rs_convert_mem_flags[5] = { |
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| 245 | {ACPI_RSC_FLAGINIT, 0, AML_OFFSET(address.specific_flags), |
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| 246 | ACPI_RSC_TABLE_SIZE(acpi_rs_convert_mem_flags)}, |
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| 247 | |||
| 248 | /* Memory-specific flags */ |
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| 249 | |||
| 250 | {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.address.info.mem.write_protect), |
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| 251 | AML_OFFSET(address.specific_flags), |
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| 252 | 0}, |
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| 253 | |||
| 254 | {ACPI_RSC_2BITFLAG, ACPI_RS_OFFSET(data.address.info.mem.caching), |
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| 255 | AML_OFFSET(address.specific_flags), |
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| 256 | 1}, |
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| 257 | |||
| 258 | {ACPI_RSC_2BITFLAG, ACPI_RS_OFFSET(data.address.info.mem.range_type), |
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| 259 | AML_OFFSET(address.specific_flags), |
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| 260 | 3}, |
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| 261 | |||
| 262 | {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.address.info.mem.translation), |
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| 263 | AML_OFFSET(address.specific_flags), |
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| 264 | 5} |
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| 265 | }; |
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| 266 | |||
| 267 | /******************************************************************************* |
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| 268 | * |
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| 269 | * acpi_rs_convert_io_flags - Flags common to I/O address descriptors |
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| 270 | * |
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| 271 | ******************************************************************************/ |
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| 272 | |||
| 273 | static struct acpi_rsconvert_info acpi_rs_convert_io_flags[4] = { |
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| 274 | {ACPI_RSC_FLAGINIT, 0, AML_OFFSET(address.specific_flags), |
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| 275 | ACPI_RSC_TABLE_SIZE(acpi_rs_convert_io_flags)}, |
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| 276 | |||
| 277 | /* I/O-specific flags */ |
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| 278 | |||
| 279 | {ACPI_RSC_2BITFLAG, ACPI_RS_OFFSET(data.address.info.io.range_type), |
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| 280 | AML_OFFSET(address.specific_flags), |
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| 281 | 0}, |
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| 282 | |||
| 283 | {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.address.info.io.translation), |
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| 284 | AML_OFFSET(address.specific_flags), |
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| 285 | 4}, |
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| 286 | |||
| 287 | {ACPI_RSC_1BITFLAG, |
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| 288 | ACPI_RS_OFFSET(data.address.info.io.translation_type), |
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| 289 | AML_OFFSET(address.specific_flags), |
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| 290 | 5} |
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| 291 | }; |
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| 292 | |||
| 293 | /******************************************************************************* |
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| 294 | * |
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| 295 | * FUNCTION: acpi_rs_get_address_common |
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| 296 | * |
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| 297 | * PARAMETERS: resource - Pointer to the internal resource struct |
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| 298 | * aml - Pointer to the AML resource descriptor |
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| 299 | * |
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| 300 | * RETURN: TRUE if the resource_type field is OK, FALSE otherwise |
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| 301 | * |
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| 302 | * DESCRIPTION: Convert common flag fields from a raw AML resource descriptor |
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| 303 | * to an internal resource descriptor |
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| 304 | * |
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| 305 | ******************************************************************************/ |
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| 306 | |||
| 307 | u8 |
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| 308 | acpi_rs_get_address_common(struct acpi_resource *resource, |
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| 309 | union aml_resource *aml) |
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| 310 | { |
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| 311 | ACPI_FUNCTION_ENTRY(); |
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| 312 | |||
| 313 | /* Validate the Resource Type */ |
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| 314 | |||
| 315 | if ((aml->address.resource_type > 2) |
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| 316 | && (aml->address.resource_type < 0xC0)) { |
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| 317 | return (FALSE); |
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| 318 | } |
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| 319 | |||
| 320 | /* Get the Resource Type and General Flags */ |
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| 321 | |||
| 322 | (void)acpi_rs_convert_aml_to_resource(resource, aml, |
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| 323 | acpi_rs_convert_general_flags); |
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| 324 | |||
| 325 | /* Get the Type-Specific Flags (Memory and I/O descriptors only) */ |
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| 326 | |||
| 327 | if (resource->data.address.resource_type == ACPI_MEMORY_RANGE) { |
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| 328 | (void)acpi_rs_convert_aml_to_resource(resource, aml, |
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| 329 | acpi_rs_convert_mem_flags); |
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| 330 | } else if (resource->data.address.resource_type == ACPI_IO_RANGE) { |
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| 331 | (void)acpi_rs_convert_aml_to_resource(resource, aml, |
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| 332 | acpi_rs_convert_io_flags); |
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| 333 | } else { |
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| 334 | /* Generic resource type, just grab the type_specific byte */ |
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| 335 | |||
| 336 | resource->data.address.info.type_specific = |
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| 337 | aml->address.specific_flags; |
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| 338 | } |
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| 339 | |||
| 340 | return (TRUE); |
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| 341 | } |
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| 342 | |||
| 343 | /******************************************************************************* |
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| 344 | * |
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| 345 | * FUNCTION: acpi_rs_set_address_common |
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| 346 | * |
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| 347 | * PARAMETERS: aml - Pointer to the AML resource descriptor |
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| 348 | * resource - Pointer to the internal resource struct |
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| 349 | * |
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| 350 | * RETURN: None |
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| 351 | * |
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| 352 | * DESCRIPTION: Convert common flag fields from a resource descriptor to an |
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| 353 | * AML descriptor |
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| 354 | * |
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| 355 | ******************************************************************************/ |
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| 356 | |||
| 357 | void |
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| 358 | acpi_rs_set_address_common(union aml_resource *aml, |
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| 359 | struct acpi_resource *resource) |
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| 360 | { |
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| 361 | ACPI_FUNCTION_ENTRY(); |
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| 362 | |||
| 363 | /* Set the Resource Type and General Flags */ |
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| 364 | |||
| 365 | (void)acpi_rs_convert_resource_to_aml(resource, aml, |
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| 366 | acpi_rs_convert_general_flags); |
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| 367 | |||
| 368 | /* Set the Type-Specific Flags (Memory and I/O descriptors only) */ |
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| 369 | |||
| 370 | if (resource->data.address.resource_type == ACPI_MEMORY_RANGE) { |
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| 371 | (void)acpi_rs_convert_resource_to_aml(resource, aml, |
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| 372 | acpi_rs_convert_mem_flags); |
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| 373 | } else if (resource->data.address.resource_type == ACPI_IO_RANGE) { |
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| 374 | (void)acpi_rs_convert_resource_to_aml(resource, aml, |
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| 375 | acpi_rs_convert_io_flags); |
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| 376 | } else { |
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| 377 | /* Generic resource type, just copy the type_specific byte */ |
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| 378 | |||
| 379 | aml->address.specific_flags = |
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| 380 | resource->data.address.info.type_specific; |
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| 381 | } |
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| 382 | } |