drivers/acpi/acpica/utxferror.c

   1 /*******************************************************************************
   2  *
   3  * Module Name: utxferror - Various error/warning output functions
   4  *
   5  ******************************************************************************/
   6
   7 /*
   8  * Copyright (C) 2000 - 2011, 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("utxferror")
  50
  51 /*
  52  * This module is used for the in-kernel ACPICA as well as the ACPICA
  53  * tools/applications.
  54  *
  55  * For the i_aSL compiler case, the output is redirected to stderr so that
  56  * any of the various ACPI errors and warnings do not appear in the output
  57  * files, for either the compiler or disassembler portions of the tool.
  58  */
  59 #ifdef ACPI_ASL_COMPILER
  60 #include <stdio.h>
  61 extern FILE *acpi_gbl_output_file;
  62
  63 #define ACPI_MSG_REDIRECT_BEGIN \
  64         FILE                            *output_file = acpi_gbl_output_file; \
  65         acpi_os_redirect_output (stderr);
  66
  67 #define ACPI_MSG_REDIRECT_END \
  68         acpi_os_redirect_output (output_file);
  69
  70 #else
  71 /*
  72  * non-i_aSL case - no redirection, nothing to do
  73  */
  74 #define ACPI_MSG_REDIRECT_BEGIN
  75 #define ACPI_MSG_REDIRECT_END
  76 #endif
  77 /*
  78  * Common message prefixes
  79  */
  80 #define ACPI_MSG_ERROR          "ACPI Error: "
  81 #define ACPI_MSG_EXCEPTION      "ACPI Exception: "
  82 #define ACPI_MSG_WARNING        "ACPI Warning: "
  83 #define ACPI_MSG_INFO           "ACPI: "
  84 /*
  85  * Common message suffix
  86  */
  87 #define ACPI_MSG_SUFFIX \
  88         acpi_os_printf (" (%8.8X/%s-%u)\n", ACPI_CA_VERSION, module_name, line_number)
  89 /*******************************************************************************
  90  *
  91  * FUNCTION:    acpi_error
  92  *
  93  * PARAMETERS:  module_name         - Caller's module name (for error output)
  94  *              line_number         - Caller's line number (for error output)
  95  *              Format              - Printf format string + additional args
  96  *
  97  * RETURN:      None
  98  *
  99  * DESCRIPTION: Print "ACPI Error" message with module/line/version info
 100  *
 101  ******************************************************************************/
 102 void ACPI_INTERNAL_VAR_XFACE
 103 acpi_error(const char *module_name, u32 line_number, const char *format, ...)
 104 {
 105         va_list arg_list;
 106
 107         ACPI_MSG_REDIRECT_BEGIN;
 108         acpi_os_printf(ACPI_MSG_ERROR);
 109
 110         va_start(arg_list, format);
 111         acpi_os_vprintf(format, arg_list);
 112         ACPI_MSG_SUFFIX;
 113         va_end(arg_list);
 114
 115         ACPI_MSG_REDIRECT_END;
 116 }
 117
 118 ACPI_EXPORT_SYMBOL(acpi_error)
 119
 120 /*******************************************************************************
 121  *
 122  * FUNCTION:    acpi_exception
 123  *
 124  * PARAMETERS:  module_name         - Caller's module name (for error output)
 125  *              line_number         - Caller's line number (for error output)
 126  *              Status              - Status to be formatted
 127  *              Format              - Printf format string + additional args
 128  *
 129  * RETURN:      None
 130  *
 131  * DESCRIPTION: Print "ACPI Exception" message with module/line/version info
 132  *              and decoded acpi_status.
 133  *
 134  ******************************************************************************/
 135 void ACPI_INTERNAL_VAR_XFACE
 136 acpi_exception(const char *module_name,
 137                u32 line_number, acpi_status status, const char *format, ...)
 138 {
 139         va_list arg_list;
 140
 141         ACPI_MSG_REDIRECT_BEGIN;
 142         acpi_os_printf(ACPI_MSG_EXCEPTION "%s, ",
 143                        acpi_format_exception(status));
 144
 145         va_start(arg_list, format);
 146         acpi_os_vprintf(format, arg_list);
 147         ACPI_MSG_SUFFIX;
 148         va_end(arg_list);
 149
 150         ACPI_MSG_REDIRECT_END;
 151 }
 152
 153 ACPI_EXPORT_SYMBOL(acpi_exception)
 154
 155 /*******************************************************************************
 156  *
 157  * FUNCTION:    acpi_warning
 158  *
 159  * PARAMETERS:  module_name         - Caller's module name (for error output)
 160  *              line_number         - Caller's line number (for error output)
 161  *              Format              - Printf format string + additional args
 162  *
 163  * RETURN:      None
 164  *
 165  * DESCRIPTION: Print "ACPI Warning" message with module/line/version info
 166  *
 167  ******************************************************************************/
 168 void ACPI_INTERNAL_VAR_XFACE
 169 acpi_warning(const char *module_name, u32 line_number, const char *format, ...)
 170 {
 171         va_list arg_list;
 172
 173         ACPI_MSG_REDIRECT_BEGIN;
 174         acpi_os_printf(ACPI_MSG_WARNING);
 175
 176         va_start(arg_list, format);
 177         acpi_os_vprintf(format, arg_list);
 178         ACPI_MSG_SUFFIX;
 179         va_end(arg_list);
 180
 181         ACPI_MSG_REDIRECT_END;
 182 }
 183
 184 ACPI_EXPORT_SYMBOL(acpi_warning)
 185
 186 /*******************************************************************************
 187  *
 188  * FUNCTION:    acpi_info
 189  *
 190  * PARAMETERS:  module_name         - Caller's module name (for error output)
 191  *              line_number         - Caller's line number (for error output)
 192  *              Format              - Printf format string + additional args
 193  *
 194  * RETURN:      None
 195  *
 196  * DESCRIPTION: Print generic "ACPI:" information message. There is no
 197  *              module/line/version info in order to keep the message simple.
 198  *
 199  * TBD: module_name and line_number args are not needed, should be removed.
 200  *
 201  ******************************************************************************/
 202 void ACPI_INTERNAL_VAR_XFACE
 203 acpi_info(const char *module_name, u32 line_number, const char *format, ...)
 204 {
 205         va_list arg_list;
 206
 207         ACPI_MSG_REDIRECT_BEGIN;
 208         acpi_os_printf(ACPI_MSG_INFO);
 209
 210         va_start(arg_list, format);
 211         acpi_os_vprintf(format, arg_list);
 212         acpi_os_printf("\n");
 213         va_end(arg_list);
 214
 215         ACPI_MSG_REDIRECT_END;
 216 }
 217
 218 ACPI_EXPORT_SYMBOL(acpi_info)
 219
 220 /*
 221  * The remainder of this module contains internal error functions that may
 222  * be configured out.
 223  */
 224 #if !defined (ACPI_NO_ERROR_MESSAGES) && !defined (ACPI_BIN_APP)
 225 /*******************************************************************************
 226  *
 227  * FUNCTION:    acpi_ut_predefined_warning
 228  *
 229  * PARAMETERS:  module_name     - Caller's module name (for error output)
 230  *              line_number     - Caller's line number (for error output)
 231  *              Pathname        - Full pathname to the node
 232  *              node_flags      - From Namespace node for the method/object
 233  *              Format          - Printf format string + additional args
 234  *
 235  * RETURN:      None
 236  *
 237  * DESCRIPTION: Warnings for the predefined validation module. Messages are
 238  *              only emitted the first time a problem with a particular
 239  *              method/object is detected. This prevents a flood of error
 240  *              messages for methods that are repeatedly evaluated.
 241  *
 242  ******************************************************************************/
 243 void ACPI_INTERNAL_VAR_XFACE
 244 acpi_ut_predefined_warning(const char *module_name,
 245                            u32 line_number,
 246                            char *pathname,
 247                            u8 node_flags, const char *format, ...)
 248 {
 249         va_list arg_list;
 250
 251         /*
 252          * Warning messages for this method/object will be disabled after the
 253          * first time a validation fails or an object is successfully repaired.
 254          */
 255         if (node_flags & ANOBJ_EVALUATED) {
 256                 return;
 257         }
 258
 259         acpi_os_printf(ACPI_MSG_WARNING "For %s: ", pathname);
 260
 261         va_start(arg_list, format);
 262         acpi_os_vprintf(format, arg_list);
 263         ACPI_MSG_SUFFIX;
 264         va_end(arg_list);
 265 }
 266
 267 /*******************************************************************************
 268  *
 269  * FUNCTION:    acpi_ut_predefined_info
 270  *
 271  * PARAMETERS:  module_name     - Caller's module name (for error output)
 272  *              line_number     - Caller's line number (for error output)
 273  *              Pathname        - Full pathname to the node
 274  *              node_flags      - From Namespace node for the method/object
 275  *              Format          - Printf format string + additional args
 276  *
 277  * RETURN:      None
 278  *
 279  * DESCRIPTION: Info messages for the predefined validation module. Messages
 280  *              are only emitted the first time a problem with a particular
 281  *              method/object is detected. This prevents a flood of
 282  *              messages for methods that are repeatedly evaluated.
 283  *
 284  ******************************************************************************/
 285
 286 void ACPI_INTERNAL_VAR_XFACE
 287 acpi_ut_predefined_info(const char *module_name,
 288                         u32 line_number,
 289                         char *pathname, u8 node_flags, const char *format, ...)
 290 {
 291         va_list arg_list;
 292
 293         /*
 294          * Warning messages for this method/object will be disabled after the
 295          * first time a validation fails or an object is successfully repaired.
 296          */
 297         if (node_flags & ANOBJ_EVALUATED) {
 298                 return;
 299         }
 300
 301         acpi_os_printf(ACPI_MSG_INFO "For %s: ", pathname);
 302
 303         va_start(arg_list, format);
 304         acpi_os_vprintf(format, arg_list);
 305         ACPI_MSG_SUFFIX;
 306         va_end(arg_list);
 307 }
 308
 309 /*******************************************************************************
 310  *
 311  * FUNCTION:    acpi_ut_namespace_error
 312  *
 313  * PARAMETERS:  module_name         - Caller's module name (for error output)
 314  *              line_number         - Caller's line number (for error output)
 315  *              internal_name       - Name or path of the namespace node
 316  *              lookup_status       - Exception code from NS lookup
 317  *
 318  * RETURN:      None
 319  *
 320  * DESCRIPTION: Print error message with the full pathname for the NS node.
 321  *
 322  ******************************************************************************/
 323
 324 void
 325 acpi_ut_namespace_error(const char *module_name,
 326                         u32 line_number,
 327                         const char *internal_name, acpi_status lookup_status)
 328 {
 329         acpi_status status;
 330         u32 bad_name;
 331         char *name = NULL;
 332
 333         ACPI_MSG_REDIRECT_BEGIN;
 334         acpi_os_printf(ACPI_MSG_ERROR);
 335
 336         if (lookup_status == AE_BAD_CHARACTER) {
 337
 338                 /* There is a non-ascii character in the name */
 339
 340                 ACPI_MOVE_32_TO_32(&bad_name,
 341                                    ACPI_CAST_PTR(u32, internal_name));
 342                 acpi_os_printf("[0x%4.4X] (NON-ASCII)", bad_name);
 343         } else {
 344                 /* Convert path to external format */
 345
 346                 status = acpi_ns_externalize_name(ACPI_UINT32_MAX,
 347                                                   internal_name, NULL, &name);
 348
 349                 /* Print target name */
 350
 351                 if (ACPI_SUCCESS(status)) {
 352                         acpi_os_printf("[%s]", name);
 353                 } else {
 354                         acpi_os_printf("[COULD NOT EXTERNALIZE NAME]");
 355                 }
 356
 357                 if (name) {
 358                         ACPI_FREE(name);
 359                 }
 360         }
 361
 362         acpi_os_printf(" Namespace lookup failure, %s",
 363                        acpi_format_exception(lookup_status));
 364
 365         ACPI_MSG_SUFFIX;
 366         ACPI_MSG_REDIRECT_END;
 367 }
 368
 369 /*******************************************************************************
 370  *
 371  * FUNCTION:    acpi_ut_method_error
 372  *
 373  * PARAMETERS:  module_name         - Caller's module name (for error output)
 374  *              line_number         - Caller's line number (for error output)
 375  *              Message             - Error message to use on failure
 376  *              prefix_node         - Prefix relative to the path
 377  *              Path                - Path to the node (optional)
 378  *              method_status       - Execution status
 379  *
 380  * RETURN:      None
 381  *
 382  * DESCRIPTION: Print error message with the full pathname for the method.
 383  *
 384  ******************************************************************************/
 385
 386 void
 387 acpi_ut_method_error(const char *module_name,
 388                      u32 line_number,
 389                      const char *message,
 390                      struct acpi_namespace_node *prefix_node,
 391                      const char *path, acpi_status method_status)
 392 {
 393         acpi_status status;
 394         struct acpi_namespace_node *node = prefix_node;
 395
 396         ACPI_MSG_REDIRECT_BEGIN;
 397         acpi_os_printf(ACPI_MSG_ERROR);
 398
 399         if (path) {
 400                 status =
 401                     acpi_ns_get_node(prefix_node, path, ACPI_NS_NO_UPSEARCH,
 402                                      &node);
 403                 if (ACPI_FAILURE(status)) {
 404                         acpi_os_printf("[Could not get node by pathname]");
 405                 }
 406         }
 407
 408         acpi_ns_print_node_pathname(node, message);
 409         acpi_os_printf(", %s", acpi_format_exception(method_status));
 410
 411         ACPI_MSG_SUFFIX;
 412         ACPI_MSG_REDIRECT_END;
 413 }
 414
 415 #endif                          /* ACPI_NO_ERROR_MESSAGES */