1 /******************************************************************************* 2 * 3 * Module Name: uterror - Various internal error/warning output functions 4 * 5 ******************************************************************************/ 6 7 /* 8 * Copyright (C) 2000 - 2014, Intel Corp. 9 * All rights reserved. 10 * 11 * Redistribution and use in source and binary forms, with or without 12 * modification, are permitted provided that the following conditions 13 * are met: 14 * 1. Redistributions of source code must retain the above copyright 15 * notice, this list of conditions, and the following disclaimer, 16 * without modification. 17 * 2. Redistributions in binary form must reproduce at minimum a disclaimer 18 * substantially similar to the "NO WARRANTY" disclaimer below 19 * ("Disclaimer") and any redistribution must be conditioned upon 20 * including a substantially similar Disclaimer requirement for further 21 * binary redistribution. 22 * 3. Neither the names of the above-listed copyright holders nor the names 23 * of any contributors may be used to endorse or promote products derived 24 * from this software without specific prior written permission. 25 * 26 * Alternatively, this software may be distributed under the terms of the 27 * GNU General Public License ("GPL") version 2 as published by the Free 28 * Software Foundation. 29 * 30 * NO WARRANTY 31 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 32 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 33 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR 34 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 35 * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 36 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 37 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 38 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 39 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 40 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 41 * POSSIBILITY OF SUCH DAMAGES. 42 */ 43 44 #include <acpi/acpi.h> 45 #include "accommon.h" 46 #include "acnamesp.h" 47 48 #define _COMPONENT ACPI_UTILITIES 49 ACPI_MODULE_NAME("uterror") 50 51 /* 52 * This module contains internal error functions that may 53 * be configured out. 54 */ 55 #if !defined (ACPI_NO_ERROR_MESSAGES) 56 /******************************************************************************* 57 * 58 * FUNCTION: acpi_ut_predefined_warning 59 * 60 * PARAMETERS: module_name - Caller's module name (for error output) 61 * line_number - Caller's line number (for error output) 62 * pathname - Full pathname to the node 63 * node_flags - From Namespace node for the method/object 64 * format - Printf format string + additional args 65 * 66 * RETURN: None 67 * 68 * DESCRIPTION: Warnings for the predefined validation module. Messages are 69 * only emitted the first time a problem with a particular 70 * method/object is detected. This prevents a flood of error 71 * messages for methods that are repeatedly evaluated. 72 * 73 ******************************************************************************/ 74 void ACPI_INTERNAL_VAR_XFACE 75 acpi_ut_predefined_warning(const char *module_name, 76 u32 line_number, 77 char *pathname, 78 u8 node_flags, const char *format, ...) 79 { 80 va_list arg_list; 81 82 /* 83 * Warning messages for this method/object will be disabled after the 84 * first time a validation fails or an object is successfully repaired. 85 */ 86 if (node_flags & ANOBJ_EVALUATED) { 87 return; 88 } 89 90 acpi_os_printf(ACPI_MSG_WARNING "%s: ", pathname); 91 92 va_start(arg_list, format); 93 acpi_os_vprintf(format, arg_list); 94 ACPI_MSG_SUFFIX; 95 va_end(arg_list); 96 } 97 98 /******************************************************************************* 99 * 100 * FUNCTION: acpi_ut_predefined_info 101 * 102 * PARAMETERS: module_name - Caller's module name (for error output) 103 * line_number - Caller's line number (for error output) 104 * pathname - Full pathname to the node 105 * node_flags - From Namespace node for the method/object 106 * format - Printf format string + additional args 107 * 108 * RETURN: None 109 * 110 * DESCRIPTION: Info messages for the predefined validation module. Messages 111 * are only emitted the first time a problem with a particular 112 * method/object is detected. This prevents a flood of 113 * messages for methods that are repeatedly evaluated. 114 * 115 ******************************************************************************/ 116 117 void ACPI_INTERNAL_VAR_XFACE 118 acpi_ut_predefined_info(const char *module_name, 119 u32 line_number, 120 char *pathname, u8 node_flags, const char *format, ...) 121 { 122 va_list arg_list; 123 124 /* 125 * Warning messages for this method/object will be disabled after the 126 * first time a validation fails or an object is successfully repaired. 127 */ 128 if (node_flags & ANOBJ_EVALUATED) { 129 return; 130 } 131 132 acpi_os_printf(ACPI_MSG_INFO "%s: ", pathname); 133 134 va_start(arg_list, format); 135 acpi_os_vprintf(format, arg_list); 136 ACPI_MSG_SUFFIX; 137 va_end(arg_list); 138 } 139 140 /******************************************************************************* 141 * 142 * FUNCTION: acpi_ut_predefined_bios_error 143 * 144 * PARAMETERS: module_name - Caller's module name (for error output) 145 * line_number - Caller's line number (for error output) 146 * pathname - Full pathname to the node 147 * node_flags - From Namespace node for the method/object 148 * format - Printf format string + additional args 149 * 150 * RETURN: None 151 * 152 * DESCRIPTION: BIOS error message for predefined names. Messages 153 * are only emitted the first time a problem with a particular 154 * method/object is detected. This prevents a flood of 155 * messages for methods that are repeatedly evaluated. 156 * 157 ******************************************************************************/ 158 159 void ACPI_INTERNAL_VAR_XFACE 160 acpi_ut_predefined_bios_error(const char *module_name, 161 u32 line_number, 162 char *pathname, 163 u8 node_flags, const char *format, ...) 164 { 165 va_list arg_list; 166 167 /* 168 * Warning messages for this method/object will be disabled after the 169 * first time a validation fails or an object is successfully repaired. 170 */ 171 if (node_flags & ANOBJ_EVALUATED) { 172 return; 173 } 174 175 acpi_os_printf(ACPI_MSG_BIOS_ERROR "%s: ", pathname); 176 177 va_start(arg_list, format); 178 acpi_os_vprintf(format, arg_list); 179 ACPI_MSG_SUFFIX; 180 va_end(arg_list); 181 } 182 183 /******************************************************************************* 184 * 185 * FUNCTION: acpi_ut_namespace_error 186 * 187 * PARAMETERS: module_name - Caller's module name (for error output) 188 * line_number - Caller's line number (for error output) 189 * internal_name - Name or path of the namespace node 190 * lookup_status - Exception code from NS lookup 191 * 192 * RETURN: None 193 * 194 * DESCRIPTION: Print error message with the full pathname for the NS node. 195 * 196 ******************************************************************************/ 197 198 void 199 acpi_ut_namespace_error(const char *module_name, 200 u32 line_number, 201 const char *internal_name, acpi_status lookup_status) 202 { 203 acpi_status status; 204 u32 bad_name; 205 char *name = NULL; 206 207 ACPI_MSG_REDIRECT_BEGIN; 208 acpi_os_printf(ACPI_MSG_ERROR); 209 210 if (lookup_status == AE_BAD_CHARACTER) { 211 212 /* There is a non-ascii character in the name */ 213 214 ACPI_MOVE_32_TO_32(&bad_name, 215 ACPI_CAST_PTR(u32, internal_name)); 216 acpi_os_printf("[0x%.8X] (NON-ASCII)", bad_name); 217 } else { 218 /* Convert path to external format */ 219 220 status = acpi_ns_externalize_name(ACPI_UINT32_MAX, 221 internal_name, NULL, &name); 222 223 /* Print target name */ 224 225 if (ACPI_SUCCESS(status)) { 226 acpi_os_printf("[%s]", name); 227 } else { 228 acpi_os_printf("[COULD NOT EXTERNALIZE NAME]"); 229 } 230 231 if (name) { 232 ACPI_FREE(name); 233 } 234 } 235 236 acpi_os_printf(" Namespace lookup failure, %s", 237 acpi_format_exception(lookup_status)); 238 239 ACPI_MSG_SUFFIX; 240 ACPI_MSG_REDIRECT_END; 241 } 242 243 /******************************************************************************* 244 * 245 * FUNCTION: acpi_ut_method_error 246 * 247 * PARAMETERS: module_name - Caller's module name (for error output) 248 * line_number - Caller's line number (for error output) 249 * message - Error message to use on failure 250 * prefix_node - Prefix relative to the path 251 * path - Path to the node (optional) 252 * method_status - Execution status 253 * 254 * RETURN: None 255 * 256 * DESCRIPTION: Print error message with the full pathname for the method. 257 * 258 ******************************************************************************/ 259 260 void 261 acpi_ut_method_error(const char *module_name, 262 u32 line_number, 263 const char *message, 264 struct acpi_namespace_node *prefix_node, 265 const char *path, acpi_status method_status) 266 { 267 acpi_status status; 268 struct acpi_namespace_node *node = prefix_node; 269 270 ACPI_MSG_REDIRECT_BEGIN; 271 acpi_os_printf(ACPI_MSG_ERROR); 272 273 if (path) { 274 status = 275 acpi_ns_get_node(prefix_node, path, ACPI_NS_NO_UPSEARCH, 276 &node); 277 if (ACPI_FAILURE(status)) { 278 acpi_os_printf("[Could not get node by pathname]"); 279 } 280 } 281 282 acpi_ns_print_node_pathname(node, message); 283 acpi_os_printf(", %s", acpi_format_exception(method_status)); 284 285 ACPI_MSG_SUFFIX; 286 ACPI_MSG_REDIRECT_END; 287 } 288 289 #endif /* ACPI_NO_ERROR_MESSAGES */ 290