summaryrefslogtreecommitdiffstats
path: root/drivers/acpi/acpica/utxferror.c
blob: 6f12e314fbae86bf9e01f24d3f845dbf287cb851 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
/*******************************************************************************
 *
 * Module Name: utxferror - Various error/warning output functions
 *
 ******************************************************************************/

/*
 * Copyright (C) 2000 - 2010, Intel Corp.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions, and the following disclaimer,
 *    without modification.
 * 2. Redistributions in binary form must reproduce at minimum a disclaimer
 *    substantially similar to the "NO WARRANTY" disclaimer below
 *    ("Disclaimer") and any redistribution must be conditioned upon
 *    including a substantially similar Disclaimer requirement for further
 *    binary redistribution.
 * 3. Neither the names of the above-listed copyright holders nor the names
 *    of any contributors may be used to endorse or promote products derived
 *    from this software without specific prior written permission.
 *
 * Alternatively, this software may be distributed under the terms of the
 * GNU General Public License ("GPL") version 2 as published by the Free
 * Software Foundation.
 *
 * NO WARRANTY
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGES.
 */

#include <acpi/acpi.h>
#include "accommon.h"
#include "acnamesp.h"

#define _COMPONENT          ACPI_UTILITIES
ACPI_MODULE_NAME("utxferror")

/*
 * This module is used for the in-kernel ACPICA as well as the ACPICA
 * tools/applications.
 *
 * For the i_aSL compiler case, the output is redirected to stderr so that
 * any of the various ACPI errors and warnings do not appear in the output
 * files, for either the compiler or disassembler portions of the tool.
 */
#ifdef ACPI_ASL_COMPILER
#include <stdio.h>
extern FILE *acpi_gbl_output_file;

#define ACPI_MSG_REDIRECT_BEGIN \
	FILE                            *output_file = acpi_gbl_output_file; \
	acpi_os_redirect_output (stderr);

#define ACPI_MSG_REDIRECT_END \
	acpi_os_redirect_output (output_file);

#else
/*
 * non-i_aSL case - no redirection, nothing to do
 */
#define ACPI_MSG_REDIRECT_BEGIN
#define ACPI_MSG_REDIRECT_END
#endif
/*
 * Common message prefixes
 */
#define ACPI_MSG_ERROR          "ACPI Error: "
#define ACPI_MSG_EXCEPTION      "ACPI Exception: "
#define ACPI_MSG_WARNING        "ACPI Warning: "
#define ACPI_MSG_INFO           "ACPI: "
/*
 * Common message suffix
 */
#define ACPI_MSG_SUFFIX \
	acpi_os_printf (" (%8.8X/%s-%u)\n", ACPI_CA_VERSION, module_name, line_number)
/*******************************************************************************
 *
 * FUNCTION:    acpi_error
 *
 * PARAMETERS:  module_name         - Caller's module name (for error output)
 *              line_number         - Caller's line number (for error output)
 *              Format              - Printf format string + additional args
 *
 * RETURN:      None
 *
 * DESCRIPTION: Print "ACPI Error" message with module/line/version info
 *
 ******************************************************************************/
void ACPI_INTERNAL_VAR_XFACE
acpi_error(const char *module_name, u32 line_number, const char *format, ...)
{
	va_list arg_list;

	ACPI_MSG_REDIRECT_BEGIN;
	acpi_os_printf(ACPI_MSG_ERROR);

	va_start(arg_list, format);
	acpi_os_vprintf(format, arg_list);
	ACPI_MSG_SUFFIX;
	va_end(arg_list);

	ACPI_MSG_REDIRECT_END;
}

ACPI_EXPORT_SYMBOL(acpi_error)

/*******************************************************************************
 *
 * FUNCTION:    acpi_exception
 *
 * PARAMETERS:  module_name         - Caller's module name (for error output)
 *              line_number         - Caller's line number (for error output)
 *              Status              - Status to be formatted
 *              Format              - Printf format string + additional args
 *
 * RETURN:      None
 *
 * DESCRIPTION: Print "ACPI Exception" message with module/line/version info
 *              and decoded acpi_status.
 *
 ******************************************************************************/
void ACPI_INTERNAL_VAR_XFACE
acpi_exception(const char *module_name,
	       u32 line_number, acpi_status status, const char *format, ...)
{
	va_list arg_list;

	ACPI_MSG_REDIRECT_BEGIN;
	acpi_os_printf(ACPI_MSG_EXCEPTION "%s, ",
		       acpi_format_exception(status));

	va_start(arg_list, format);
	acpi_os_vprintf(format, arg_list);
	ACPI_MSG_SUFFIX;
	va_end(arg_list);

	ACPI_MSG_REDIRECT_END;
}

ACPI_EXPORT_SYMBOL(acpi_exception)

/*******************************************************************************
 *
 * FUNCTION:    acpi_warning
 *
 * PARAMETERS:  module_name         - Caller's module name (for error output)
 *              line_number         - Caller's line number (for error output)
 *              Format              - Printf format string + additional args
 *
 * RETURN:      None
 *
 * DESCRIPTION: Print "ACPI Warning" message with module/line/version info
 *
 ******************************************************************************/
void ACPI_INTERNAL_VAR_XFACE
acpi_warning(const char *module_name, u32 line_number, const char *format, ...)
{
	va_list arg_list;

	ACPI_MSG_REDIRECT_BEGIN;
	acpi_os_printf(ACPI_MSG_WARNING);

	va_start(arg_list, format);
	acpi_os_vprintf(format, arg_list);
	ACPI_MSG_SUFFIX;
	va_end(arg_list);

	ACPI_MSG_REDIRECT_END;
}

ACPI_EXPORT_SYMBOL(acpi_warning)

/*******************************************************************************
 *
 * FUNCTION:    acpi_info
 *
 * PARAMETERS:  module_name         - Caller's module name (for error output)
 *              line_number         - Caller's line number (for error output)
 *              Format              - Printf format string + additional args
 *
 * RETURN:      None
 *
 * DESCRIPTION: Print generic "ACPI:" information message. There is no
 *              module/line/version info in order to keep the message simple.
 *
 * TBD: module_name and line_number args are not needed, should be removed.
 *
 ******************************************************************************/
void ACPI_INTERNAL_VAR_XFACE
acpi_info(const char *module_name, u32 line_number, const char *format, ...)
{
	va_list arg_list;

	ACPI_MSG_REDIRECT_BEGIN;
	acpi_os_printf(ACPI_MSG_INFO);

	va_start(arg_list, format);
	acpi_os_vprintf(format, arg_list);
	acpi_os_printf("\n");
	va_end(arg_list);

	ACPI_MSG_REDIRECT_END;
}

ACPI_EXPORT_SYMBOL(acpi_info)

/*
 * The remainder of this module contains internal error functions that may
 * be configured out.
 */
#if !defined (ACPI_NO_ERROR_MESSAGES) && !defined (ACPI_BIN_APP)
/*******************************************************************************
 *
 * FUNCTION:    acpi_ut_predefined_warning
 *
 * PARAMETERS:  module_name     - Caller's module name (for error output)
 *              line_number     - Caller's line number (for error output)
 *              Pathname        - Full pathname to the node
 *              node_flags      - From Namespace node for the method/object
 *              Format          - Printf format string + additional args
 *
 * RETURN:      None
 *
 * DESCRIPTION: Warnings for the predefined validation module. Messages are
 *              only emitted the first time a problem with a particular
 *              method/object is detected. This prevents a flood of error
 *              messages for methods that are repeatedly evaluated.
 *
 ******************************************************************************/
void ACPI_INTERNAL_VAR_XFACE
acpi_ut_predefined_warning(const char *module_name,
			   u32 line_number,
			   char *pathname,
			   u8 node_flags, const char *format, ...)
{
	va_list arg_list;

	/*
	 * Warning messages for this method/object will be disabled after the
	 * first time a validation fails or an object is successfully repaired.
	 */
	if (node_flags & ANOBJ_EVALUATED) {
		return;
	}

	acpi_os_printf(ACPI_MSG_WARNING "For %s: ", pathname);

	va_start(arg_list, format);
	acpi_os_vprintf(format, arg_list);
	ACPI_MSG_SUFFIX;
	va_end(arg_list);
}

/*******************************************************************************
 *
 * FUNCTION:    acpi_ut_predefined_info
 *
 * PARAMETERS:  module_name     - Caller's module name (for error output)
 *              line_number     - Caller's line number (for error output)
 *              Pathname        - Full pathname to the node
 *              node_flags      - From Namespace node for the method/object
 *              Format          - Printf format string + additional args
 *
 * RETURN:      None
 *
 * DESCRIPTION: Info messages for the predefined validation module. Messages
 *              are only emitted the first time a problem with a particular
 *              method/object is detected. This prevents a flood of
 *              messages for methods that are repeatedly evaluated.
 *
 ******************************************************************************/

void ACPI_INTERNAL_VAR_XFACE
acpi_ut_predefined_info(const char *module_name,
			u32 line_number,
			char *pathname, u8 node_flags, const char *format, ...)
{
	va_list arg_list;

	/*
	 * Warning messages for this method/object will be disabled after the
	 * first time a validation fails or an object is successfully repaired.
	 */
	if (node_flags & ANOBJ_EVALUATED) {
		return;
	}

	acpi_os_printf(ACPI_MSG_INFO "For %s: ", pathname);

	va_start(arg_list, format);
	acpi_os_vprintf(format, arg_list);
	ACPI_MSG_SUFFIX;
	va_end(arg_list);
}

/*******************************************************************************
 *
 * FUNCTION:    acpi_ut_namespace_error
 *
 * PARAMETERS:  module_name         - Caller's module name (for error output)
 *              line_number         - Caller's line number (for error output)
 *              internal_name       - Name or path of the namespace node
 *              lookup_status       - Exception code from NS lookup
 *
 * RETURN:      None
 *
 * DESCRIPTION: Print error message with the full pathname for the NS node.
 *
 ******************************************************************************/

void
acpi_ut_namespace_error(const char *module_name,
			u32 line_number,
			const char *internal_name, acpi_status lookup_status)
{
	acpi_status status;
	u32 bad_name;
	char *name = NULL;

	ACPI_MSG_REDIRECT_BEGIN;
	acpi_os_printf(ACPI_MSG_ERROR);

	if (lookup_status == AE_BAD_CHARACTER) {

		/* There is a non-ascii character in the name */

		ACPI_MOVE_32_TO_32(&bad_name,
				   ACPI_CAST_PTR(u32, internal_name));
		acpi_os_printf("[0x%4.4X] (NON-ASCII)", bad_name);
	} else {
		/* Convert path to external format */

		status = acpi_ns_externalize_name(ACPI_UINT32_MAX,
						  internal_name, NULL, &name);

		/* Print target name */

		if (ACPI_SUCCESS(status)) {
			acpi_os_printf("[%s]", name);
		} else {
			acpi_os_printf("[COULD NOT EXTERNALIZE NAME]");
		}

		if (name) {
			ACPI_FREE(name);
		}
	}

	acpi_os_printf(" Namespace lookup failure, %s",
		       acpi_format_exception(lookup_status));

	ACPI_MSG_SUFFIX;
	ACPI_MSG_REDIRECT_END;
}

/*******************************************************************************
 *
 * FUNCTION:    acpi_ut_method_error
 *
 * PARAMETERS:  module_name         - Caller's module name (for error output)
 *              line_number         - Caller's line number (for error output)
 *              Message             - Error message to use on failure
 *              prefix_node         - Prefix relative to the path
 *              Path                - Path to the node (optional)
 *              method_status       - Execution status
 *
 * RETURN:      None
 *
 * DESCRIPTION: Print error message with the full pathname for the method.
 *
 ******************************************************************************/

void
acpi_ut_method_error(const char *module_name,
		     u32 line_number,
		     const char *message,
		     struct acpi_namespace_node *prefix_node,
		     const char *path, acpi_status method_status)
{
	acpi_status status;
	struct acpi_namespace_node *node = prefix_node;

	ACPI_MSG_REDIRECT_BEGIN;
	acpi_os_printf(ACPI_MSG_ERROR);

	if (path) {
		status =
		    acpi_ns_get_node(prefix_node, path, ACPI_NS_NO_UPSEARCH,
				     &node);
		if (ACPI_FAILURE(status)) {
			acpi_os_printf("[Could not get node by pathname]");
		}
	}

	acpi_ns_print_node_pathname(node, message);
	acpi_os_printf(", %s", acpi_format_exception(method_status));

	ACPI_MSG_SUFFIX;
	ACPI_MSG_REDIRECT_END;
}

#endif				/* ACPI_NO_ERROR_MESSAGES */