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-rw-r--r--drivers/acpi/utilities/utalloc.c382
1 files changed, 0 insertions, 382 deletions
diff --git a/drivers/acpi/utilities/utalloc.c b/drivers/acpi/utilities/utalloc.c
deleted file mode 100644
index 241c535c1753..000000000000
--- a/drivers/acpi/utilities/utalloc.c
+++ /dev/null
@@ -1,382 +0,0 @@
1/******************************************************************************
2 *
3 * Module Name: utalloc - local memory allocation routines
4 *
5 *****************************************************************************/
6
7/*
8 * Copyright (C) 2000 - 2008, 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 <acpi/acdebug.h>
46
47#define _COMPONENT ACPI_UTILITIES
48ACPI_MODULE_NAME("utalloc")
49
50/*******************************************************************************
51 *
52 * FUNCTION: acpi_ut_create_caches
53 *
54 * PARAMETERS: None
55 *
56 * RETURN: Status
57 *
58 * DESCRIPTION: Create all local caches
59 *
60 ******************************************************************************/
61acpi_status acpi_ut_create_caches(void)
62{
63 acpi_status status;
64
65 /* Object Caches, for frequently used objects */
66
67 status =
68 acpi_os_create_cache("Acpi-Namespace",
69 sizeof(struct acpi_namespace_node),
70 ACPI_MAX_NAMESPACE_CACHE_DEPTH,
71 &acpi_gbl_namespace_cache);
72 if (ACPI_FAILURE(status)) {
73 return (status);
74 }
75
76 status =
77 acpi_os_create_cache("Acpi-State", sizeof(union acpi_generic_state),
78 ACPI_MAX_STATE_CACHE_DEPTH,
79 &acpi_gbl_state_cache);
80 if (ACPI_FAILURE(status)) {
81 return (status);
82 }
83
84 status =
85 acpi_os_create_cache("Acpi-Parse",
86 sizeof(struct acpi_parse_obj_common),
87 ACPI_MAX_PARSE_CACHE_DEPTH,
88 &acpi_gbl_ps_node_cache);
89 if (ACPI_FAILURE(status)) {
90 return (status);
91 }
92
93 status =
94 acpi_os_create_cache("Acpi-ParseExt",
95 sizeof(struct acpi_parse_obj_named),
96 ACPI_MAX_EXTPARSE_CACHE_DEPTH,
97 &acpi_gbl_ps_node_ext_cache);
98 if (ACPI_FAILURE(status)) {
99 return (status);
100 }
101
102 status =
103 acpi_os_create_cache("Acpi-Operand",
104 sizeof(union acpi_operand_object),
105 ACPI_MAX_OBJECT_CACHE_DEPTH,
106 &acpi_gbl_operand_cache);
107 if (ACPI_FAILURE(status)) {
108 return (status);
109 }
110#ifdef ACPI_DBG_TRACK_ALLOCATIONS
111
112 /* Memory allocation lists */
113
114 status = acpi_ut_create_list("Acpi-Global", 0, &acpi_gbl_global_list);
115 if (ACPI_FAILURE(status)) {
116 return (status);
117 }
118
119 status =
120 acpi_ut_create_list("Acpi-Namespace",
121 sizeof(struct acpi_namespace_node),
122 &acpi_gbl_ns_node_list);
123 if (ACPI_FAILURE(status)) {
124 return (status);
125 }
126#endif
127
128 return (AE_OK);
129}
130
131/*******************************************************************************
132 *
133 * FUNCTION: acpi_ut_delete_caches
134 *
135 * PARAMETERS: None
136 *
137 * RETURN: Status
138 *
139 * DESCRIPTION: Purge and delete all local caches
140 *
141 ******************************************************************************/
142
143acpi_status acpi_ut_delete_caches(void)
144{
145#ifdef ACPI_DBG_TRACK_ALLOCATIONS
146 char buffer[7];
147
148 if (acpi_gbl_display_final_mem_stats) {
149 ACPI_STRCPY(buffer, "MEMORY");
150 (void)acpi_db_display_statistics(buffer);
151 }
152#endif
153
154 (void)acpi_os_delete_cache(acpi_gbl_namespace_cache);
155 acpi_gbl_namespace_cache = NULL;
156
157 (void)acpi_os_delete_cache(acpi_gbl_state_cache);
158 acpi_gbl_state_cache = NULL;
159
160 (void)acpi_os_delete_cache(acpi_gbl_operand_cache);
161 acpi_gbl_operand_cache = NULL;
162
163 (void)acpi_os_delete_cache(acpi_gbl_ps_node_cache);
164 acpi_gbl_ps_node_cache = NULL;
165
166 (void)acpi_os_delete_cache(acpi_gbl_ps_node_ext_cache);
167 acpi_gbl_ps_node_ext_cache = NULL;
168
169#ifdef ACPI_DBG_TRACK_ALLOCATIONS
170
171 /* Debug only - display leftover memory allocation, if any */
172
173 acpi_ut_dump_allocations(ACPI_UINT32_MAX, NULL);
174
175 /* Free memory lists */
176
177 ACPI_FREE(acpi_gbl_global_list);
178 acpi_gbl_global_list = NULL;
179
180 ACPI_FREE(acpi_gbl_ns_node_list);
181 acpi_gbl_ns_node_list = NULL;
182#endif
183
184 return (AE_OK);
185}
186
187/*******************************************************************************
188 *
189 * FUNCTION: acpi_ut_validate_buffer
190 *
191 * PARAMETERS: Buffer - Buffer descriptor to be validated
192 *
193 * RETURN: Status
194 *
195 * DESCRIPTION: Perform parameter validation checks on an struct acpi_buffer
196 *
197 ******************************************************************************/
198
199acpi_status acpi_ut_validate_buffer(struct acpi_buffer * buffer)
200{
201
202 /* Obviously, the structure pointer must be valid */
203
204 if (!buffer) {
205 return (AE_BAD_PARAMETER);
206 }
207
208 /* Special semantics for the length */
209
210 if ((buffer->length == ACPI_NO_BUFFER) ||
211 (buffer->length == ACPI_ALLOCATE_BUFFER) ||
212 (buffer->length == ACPI_ALLOCATE_LOCAL_BUFFER)) {
213 return (AE_OK);
214 }
215
216 /* Length is valid, the buffer pointer must be also */
217
218 if (!buffer->pointer) {
219 return (AE_BAD_PARAMETER);
220 }
221
222 return (AE_OK);
223}
224
225/*******************************************************************************
226 *
227 * FUNCTION: acpi_ut_initialize_buffer
228 *
229 * PARAMETERS: Buffer - Buffer to be validated
230 * required_length - Length needed
231 *
232 * RETURN: Status
233 *
234 * DESCRIPTION: Validate that the buffer is of the required length or
235 * allocate a new buffer. Returned buffer is always zeroed.
236 *
237 ******************************************************************************/
238
239acpi_status
240acpi_ut_initialize_buffer(struct acpi_buffer * buffer,
241 acpi_size required_length)
242{
243 acpi_size input_buffer_length;
244
245 /* Parameter validation */
246
247 if (!buffer || !required_length) {
248 return (AE_BAD_PARAMETER);
249 }
250
251 /*
252 * Buffer->Length is used as both an input and output parameter. Get the
253 * input actual length and set the output required buffer length.
254 */
255 input_buffer_length = buffer->length;
256 buffer->length = required_length;
257
258 /*
259 * The input buffer length contains the actual buffer length, or the type
260 * of buffer to be allocated by this routine.
261 */
262 switch (input_buffer_length) {
263 case ACPI_NO_BUFFER:
264
265 /* Return the exception (and the required buffer length) */
266
267 return (AE_BUFFER_OVERFLOW);
268
269 case ACPI_ALLOCATE_BUFFER:
270
271 /* Allocate a new buffer */
272
273 buffer->pointer = acpi_os_allocate(required_length);
274 break;
275
276 case ACPI_ALLOCATE_LOCAL_BUFFER:
277
278 /* Allocate a new buffer with local interface to allow tracking */
279
280 buffer->pointer = ACPI_ALLOCATE(required_length);
281 break;
282
283 default:
284
285 /* Existing buffer: Validate the size of the buffer */
286
287 if (input_buffer_length < required_length) {
288 return (AE_BUFFER_OVERFLOW);
289 }
290 break;
291 }
292
293 /* Validate allocation from above or input buffer pointer */
294
295 if (!buffer->pointer) {
296 return (AE_NO_MEMORY);
297 }
298
299 /* Have a valid buffer, clear it */
300
301 ACPI_MEMSET(buffer->pointer, 0, required_length);
302 return (AE_OK);
303}
304
305#ifdef NOT_USED_BY_LINUX
306/*******************************************************************************
307 *
308 * FUNCTION: acpi_ut_allocate
309 *
310 * PARAMETERS: Size - Size of the allocation
311 * Component - Component type of caller
312 * Module - Source file name of caller
313 * Line - Line number of caller
314 *
315 * RETURN: Address of the allocated memory on success, NULL on failure.
316 *
317 * DESCRIPTION: Subsystem equivalent of malloc.
318 *
319 ******************************************************************************/
320
321void *acpi_ut_allocate(acpi_size size,
322 u32 component, const char *module, u32 line)
323{
324 void *allocation;
325
326 ACPI_FUNCTION_TRACE_U32(ut_allocate, size);
327
328 /* Check for an inadvertent size of zero bytes */
329
330 if (!size) {
331 ACPI_WARNING((module, line,
332 "Attempt to allocate zero bytes, allocating 1 byte"));
333 size = 1;
334 }
335
336 allocation = acpi_os_allocate(size);
337 if (!allocation) {
338
339 /* Report allocation error */
340
341 ACPI_WARNING((module, line,
342 "Could not allocate size %X", (u32) size));
343
344 return_PTR(NULL);
345 }
346
347 return_PTR(allocation);
348}
349
350/*******************************************************************************
351 *
352 * FUNCTION: acpi_ut_allocate_zeroed
353 *
354 * PARAMETERS: Size - Size of the allocation
355 * Component - Component type of caller
356 * Module - Source file name of caller
357 * Line - Line number of caller
358 *
359 * RETURN: Address of the allocated memory on success, NULL on failure.
360 *
361 * DESCRIPTION: Subsystem equivalent of calloc. Allocate and zero memory.
362 *
363 ******************************************************************************/
364
365void *acpi_ut_allocate_zeroed(acpi_size size,
366 u32 component, const char *module, u32 line)
367{
368 void *allocation;
369
370 ACPI_FUNCTION_ENTRY();
371
372 allocation = acpi_ut_allocate(size, component, module, line);
373 if (allocation) {
374
375 /* Clear the memory block */
376
377 ACPI_MEMSET(allocation, 0, size);
378 }
379
380 return (allocation);
381}
382#endif
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