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/drivers/acpi/acpica/utxferror.c

https://bitbucket.org/ndreys/linux-sunxi
C | 415 lines | 165 code | 54 blank | 196 comment | 11 complexity | e653ed2e42999a7ceb4e4ebcc4b0808b MD5 | raw file
Possible License(s): GPL-2.0, LGPL-2.0, AGPL-1.0
  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
 49ACPI_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>
 61extern 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 ******************************************************************************/
102void ACPI_INTERNAL_VAR_XFACE
103acpi_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
118ACPI_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 ******************************************************************************/
135void ACPI_INTERNAL_VAR_XFACE
136acpi_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
153ACPI_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 ******************************************************************************/
168void ACPI_INTERNAL_VAR_XFACE
169acpi_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
184ACPI_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 ******************************************************************************/
202void ACPI_INTERNAL_VAR_XFACE
203acpi_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
218ACPI_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 ******************************************************************************/
243void ACPI_INTERNAL_VAR_XFACE
244acpi_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
286void ACPI_INTERNAL_VAR_XFACE
287acpi_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
324void
325acpi_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
386void
387acpi_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 */