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authorBob Moore <robert.moore@intel.com>2008-09-28 03:26:17 -0400
committerLen Brown <len.brown@intel.com>2008-10-22 23:14:49 -0400
commite8707b340fb5b6313cde784b944a568dfd770ddd (patch)
tree949c7a254309d22e962140305cc06cef2a580ad1 /include/acpi
parentb9d1312ad4246e467f333dfe2ac4dc7a79608d59 (diff)
ACPICA: New: Validation for predefined ACPI methods/objects
Validates predefined ACPI objects that appear in the namespace, at the time they are evaluated. The argument count and the type of the returned object are validated. The purpose of this validation is to detect problems with the BIOS-exposed predefined ACPI objects before the results are returned to the ACPI-related drivers. Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Lin Ming <ming.m.lin@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
Diffstat (limited to 'include/acpi')
-rw-r--r--include/acpi/acdebug.h4
-rw-r--r--include/acpi/aclocal.h77
-rw-r--r--include/acpi/acnamesp.h16
-rw-r--r--include/acpi/acpredef.h371
4 files changed, 468 insertions, 0 deletions
diff --git a/include/acpi/acdebug.h b/include/acpi/acdebug.h
index a4fb001d96f1..62c59df3b86c 100644
--- a/include/acpi/acdebug.h
+++ b/include/acpi/acdebug.h
@@ -154,6 +154,10 @@ void
154acpi_db_display_argument_object(union acpi_operand_object *obj_desc, 154acpi_db_display_argument_object(union acpi_operand_object *obj_desc,
155 struct acpi_walk_state *walk_state); 155 struct acpi_walk_state *walk_state);
156 156
157void acpi_db_check_predefined_names(void);
158
159void acpi_db_batch_execute(void);
160
157/* 161/*
158 * dbexec - debugger control method execution 162 * dbexec - debugger control method execution
159 */ 163 */
diff --git a/include/acpi/aclocal.h b/include/acpi/aclocal.h
index b221c8583ddd..ecab527cf78e 100644
--- a/include/acpi/aclocal.h
+++ b/include/acpi/aclocal.h
@@ -208,6 +208,7 @@ struct acpi_namespace_node {
208#define ANOBJ_METHOD_ARG 0x04 /* Node is a method argument */ 208#define ANOBJ_METHOD_ARG 0x04 /* Node is a method argument */
209#define ANOBJ_METHOD_LOCAL 0x08 /* Node is a method local */ 209#define ANOBJ_METHOD_LOCAL 0x08 /* Node is a method local */
210#define ANOBJ_SUBTREE_HAS_INI 0x10 /* Used to optimize device initialization */ 210#define ANOBJ_SUBTREE_HAS_INI 0x10 /* Used to optimize device initialization */
211#define ANOBJ_EVALUATED 0x20 /* Set on first evaluation of node */
211 212
212#define ANOBJ_IS_EXTERNAL 0x08 /* i_aSL only: This object created via External() */ 213#define ANOBJ_IS_EXTERNAL 0x08 /* i_aSL only: This object created via External() */
213#define ANOBJ_METHOD_NO_RETVAL 0x10 /* i_aSL only: Method has no return value */ 214#define ANOBJ_METHOD_NO_RETVAL 0x10 /* i_aSL only: Method has no return value */
@@ -340,6 +341,82 @@ acpi_status(*ACPI_INTERNAL_METHOD) (struct acpi_walk_state * walk_state);
340#define ACPI_BTYPE_OBJECTS_AND_REFS 0x0001FFFF /* ARG or LOCAL */ 341#define ACPI_BTYPE_OBJECTS_AND_REFS 0x0001FFFF /* ARG or LOCAL */
341#define ACPI_BTYPE_ALL_OBJECTS 0x0000FFFF 342#define ACPI_BTYPE_ALL_OBJECTS 0x0000FFFF
342 343
344/*
345 * Information structure for ACPI predefined names.
346 * Each entry in the table contains the following items:
347 *
348 * Name - The ACPI reserved name
349 * param_count - Number of arguments to the method
350 * expected_return_btypes - Allowed type(s) for the return value
351 */
352struct acpi_name_info {
353 char name[ACPI_NAME_SIZE];
354 u8 param_count;
355 u8 expected_btypes;
356};
357
358/*
359 * Secondary information structures for ACPI predefined objects that return
360 * package objects. This structure appears as the next entry in the table
361 * after the NAME_INFO structure above.
362 *
363 * The reason for this is to minimize the size of the predefined name table.
364 */
365
366/*
367 * Used for ACPI_PTYPE1_FIXED, ACPI_PTYPE1_VAR, ACPI_PTYPE2,
368 * ACPI_PTYPE2_MIN, ACPI_PTYPE2_PKG_COUNT, ACPI_PTYPE2_COUNT
369 */
370struct acpi_package_info {
371 u8 type;
372 u8 object_type1;
373 u8 count1;
374 u8 object_type2;
375 u8 count2;
376 u8 reserved;
377};
378
379/* Used for ACPI_PTYPE2_FIXED */
380
381struct acpi_package_info2 {
382 u8 type;
383 u8 count;
384 u8 object_type[4];
385};
386
387/* Used for ACPI_PTYPE1_OPTION */
388
389struct acpi_package_info3 {
390 u8 type;
391 u8 count;
392 u8 object_type[2];
393 u8 tail_object_type;
394 u8 reserved;
395};
396
397union acpi_predefined_info {
398 struct acpi_name_info info;
399 struct acpi_package_info ret_info;
400 struct acpi_package_info2 ret_info2;
401 struct acpi_package_info3 ret_info3;
402};
403
404/*
405 * Bitmapped return value types
406 * Note: the actual data types must be contiguous, a loop in nspredef.c
407 * depends on this.
408 */
409#define ACPI_RTYPE_ANY 0x00
410#define ACPI_RTYPE_NONE 0x01
411#define ACPI_RTYPE_INTEGER 0x02
412#define ACPI_RTYPE_STRING 0x04
413#define ACPI_RTYPE_BUFFER 0x08
414#define ACPI_RTYPE_PACKAGE 0x10
415#define ACPI_RTYPE_REFERENCE 0x20
416#define ACPI_RTYPE_ALL 0x3F
417
418#define ACPI_NUM_RTYPES 5 /* Number of actual object types */
419
343/***************************************************************************** 420/*****************************************************************************
344 * 421 *
345 * Event typedefs and structs 422 * Event typedefs and structs
diff --git a/include/acpi/acnamesp.h b/include/acpi/acnamesp.h
index c34008507b69..db4e6f677855 100644
--- a/include/acpi/acnamesp.h
+++ b/include/acpi/acnamesp.h
@@ -178,6 +178,22 @@ acpi_ns_dump_objects(acpi_object_type type,
178acpi_status acpi_ns_evaluate(struct acpi_evaluate_info *info); 178acpi_status acpi_ns_evaluate(struct acpi_evaluate_info *info);
179 179
180/* 180/*
181 * nspredef - Support for predefined/reserved names
182 */
183acpi_status
184acpi_ns_check_predefined_names(struct acpi_namespace_node *node,
185 union acpi_operand_object *return_object);
186
187const union acpi_predefined_info *acpi_ns_check_for_predefined_name(struct
188 acpi_namespace_node
189 *node);
190
191void
192acpi_ns_check_parameter_count(char *pathname,
193 struct acpi_namespace_node *node,
194 const union acpi_predefined_info *info);
195
196/*
181 * nsnames - Name and Scope manipulation 197 * nsnames - Name and Scope manipulation
182 */ 198 */
183u32 acpi_ns_opens_scope(acpi_object_type type); 199u32 acpi_ns_opens_scope(acpi_object_type type);
diff --git a/include/acpi/acpredef.h b/include/acpi/acpredef.h
new file mode 100644
index 000000000000..619fb75f8861
--- /dev/null
+++ b/include/acpi/acpredef.h
@@ -0,0 +1,371 @@
1/******************************************************************************
2 *
3 * Name: acpredef - Information table for ACPI predefined methods and objects
4 * $Revision: 1.1 $
5 *
6 *****************************************************************************/
7
8/*
9 * Copyright (C) 2000 - 2008, Intel Corp.
10 * All rights reserved.
11 *
12 * Redistribution and use in source and binary forms, with or without
13 * modification, are permitted provided that the following conditions
14 * are met:
15 * 1. Redistributions of source code must retain the above copyright
16 * notice, this list of conditions, and the following disclaimer,
17 * without modification.
18 * 2. Redistributions in binary form must reproduce at minimum a disclaimer
19 * substantially similar to the "NO WARRANTY" disclaimer below
20 * ("Disclaimer") and any redistribution must be conditioned upon
21 * including a substantially similar Disclaimer requirement for further
22 * binary redistribution.
23 * 3. Neither the names of the above-listed copyright holders nor the names
24 * of any contributors may be used to endorse or promote products derived
25 * from this software without specific prior written permission.
26 *
27 * Alternatively, this software may be distributed under the terms of the
28 * GNU General Public License ("GPL") version 2 as published by the Free
29 * Software Foundation.
30 *
31 * NO WARRANTY
32 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
33 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
34 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
35 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
36 * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
37 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
38 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
39 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
40 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
41 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
42 * POSSIBILITY OF SUCH DAMAGES.
43 */
44
45#ifndef __ACPREDEF_H__
46#define __ACPREDEF_H__
47
48/******************************************************************************
49 *
50 * Return Package types
51 *
52 * 1) PTYPE1 packages do not contain sub-packages.
53 *
54 * ACPI_PTYPE1_FIXED: Fixed length, 1 or 2 object types:
55 * object type
56 * count
57 * object type
58 * count
59 *
60 * ACPI_PTYPE1_VAR: Variable length:
61 * object type (Int/Buf/Ref)
62 *
63 * ACPI_PTYPE1_OPTION: Package has some required and some optional elements:
64 * Used for _PRW
65 *
66 *
67 * 2) PTYPE2 packages contain a variable number of sub-packages. Each of the
68 * different types describe the contents of each of the sub-packages.
69 *
70 * ACPI_PTYPE2: Each subpackage contains 1 or 2 object types:
71 * object type
72 * count
73 * object type
74 * count
75 *
76 * ACPI_PTYPE2_COUNT: Each subpackage has a count as first element:
77 * object type
78 *
79 * ACPI_PTYPE2_PKG_COUNT: Count of subpackages at start, 1 or 2 object types:
80 * object type
81 * count
82 * object type
83 * count
84 *
85 * ACPI_PTYPE2_FIXED: Each subpackage is of fixed length:
86 * Used for _PRT
87 *
88 * ACPI_PTYPE2_MIN: Each subpackage has a variable but minimum length
89 * Used for _HPX
90 *
91 *****************************************************************************/
92
93enum acpi_return_package_types {
94 ACPI_PTYPE1_FIXED = 1,
95 ACPI_PTYPE1_VAR = 2,
96 ACPI_PTYPE1_OPTION = 3,
97 ACPI_PTYPE2 = 4,
98 ACPI_PTYPE2_COUNT = 5,
99 ACPI_PTYPE2_PKG_COUNT = 6,
100 ACPI_PTYPE2_FIXED = 7,
101 ACPI_PTYPE2_MIN = 8
102};
103
104/*
105 * Predefined method/object information table.
106 *
107 * These are the names that can actually be evaluated via acpi_evaluate_object.
108 * Not present in this table are the following:
109 *
110 * 1) Predefined/Reserved names that are never evaluated via acpi_evaluate_object:
111 * _Lxx and _Exx GPE methods
112 * _Qxx EC methods
113 * _T_x compiler temporary variables
114 *
115 * 2) Predefined names that never actually exist within the AML code:
116 * Predefined resource descriptor field names
117 *
118 * 3) Predefined names that are implemented within ACPICA:
119 * _OSI
120 *
121 * 4) Some predefined names that are not documented within the ACPI spec.
122 * _WDG, _WED
123 *
124 * The main entries in the table each contain the following items:
125 *
126 * Name - The ACPI reserved name
127 * param_count - Number of arguments to the method
128 * expected_btypes - Allowed type(s) for the return value.
129 * 0 means that no return value is expected.
130 *
131 * For methods that return packages, the next entry in the table contains
132 * information about the expected structure of the package. This information
133 * is saved here (rather than in a separate table) in order to minimize the
134 * overall size of the stored data.
135 */
136static const union acpi_predefined_info predefined_names[] = {
137 {.info = {"_AC0", 0, ACPI_RTYPE_INTEGER}},
138 {.info = {"_AC1", 0, ACPI_RTYPE_INTEGER}},
139 {.info = {"_AC2", 0, ACPI_RTYPE_INTEGER}},
140 {.info = {"_AC3", 0, ACPI_RTYPE_INTEGER}},
141 {.info = {"_AC4", 0, ACPI_RTYPE_INTEGER}},
142 {.info = {"_AC5", 0, ACPI_RTYPE_INTEGER}},
143 {.info = {"_AC6", 0, ACPI_RTYPE_INTEGER}},
144 {.info = {"_AC7", 0, ACPI_RTYPE_INTEGER}},
145 {.info = {"_AC8", 0, ACPI_RTYPE_INTEGER}},
146 {.info = {"_AC9", 0, ACPI_RTYPE_INTEGER}},
147 {.info = {"_ADR", 0, ACPI_RTYPE_INTEGER}},
148 {.info = {"_AL0", 0, ACPI_RTYPE_PACKAGE}}, {.ret_info = {ACPI_PTYPE1_VAR, ACPI_RTYPE_REFERENCE, 0, 0, 0, 0}}, /* variable (Refs) */
149 {.info = {"_AL1", 0, ACPI_RTYPE_PACKAGE}}, {.ret_info = {ACPI_PTYPE1_VAR, ACPI_RTYPE_REFERENCE, 0, 0, 0, 0}}, /* variable (Refs) */
150 {.info = {"_AL2", 0, ACPI_RTYPE_PACKAGE}}, {.ret_info = {ACPI_PTYPE1_VAR, ACPI_RTYPE_REFERENCE, 0, 0, 0, 0}}, /* variable (Refs) */
151 {.info = {"_AL3", 0, ACPI_RTYPE_PACKAGE}}, {.ret_info = {ACPI_PTYPE1_VAR, ACPI_RTYPE_REFERENCE, 0, 0, 0, 0}}, /* variable (Refs) */
152 {.info = {"_AL4", 0, ACPI_RTYPE_PACKAGE}}, {.ret_info = {ACPI_PTYPE1_VAR, ACPI_RTYPE_REFERENCE, 0, 0, 0, 0}}, /* variable (Refs) */
153 {.info = {"_AL5", 0, ACPI_RTYPE_PACKAGE}}, {.ret_info = {ACPI_PTYPE1_VAR, ACPI_RTYPE_REFERENCE, 0, 0, 0, 0}}, /* variable (Refs) */
154 {.info = {"_AL6", 0, ACPI_RTYPE_PACKAGE}}, {.ret_info = {ACPI_PTYPE1_VAR, ACPI_RTYPE_REFERENCE, 0, 0, 0, 0}}, /* variable (Refs) */
155 {.info = {"_AL7", 0, ACPI_RTYPE_PACKAGE}}, {.ret_info = {ACPI_PTYPE1_VAR, ACPI_RTYPE_REFERENCE, 0, 0, 0, 0}}, /* variable (Refs) */
156 {.info = {"_AL8", 0, ACPI_RTYPE_PACKAGE}}, {.ret_info = {ACPI_PTYPE1_VAR, ACPI_RTYPE_REFERENCE, 0, 0, 0, 0}}, /* variable (Refs) */
157 {.info = {"_AL9", 0, ACPI_RTYPE_PACKAGE}}, {.ret_info = {ACPI_PTYPE1_VAR, ACPI_RTYPE_REFERENCE, 0, 0, 0, 0}}, /* variable (Refs) */
158 {.info = {"_ALC", 0, ACPI_RTYPE_INTEGER}},
159 {.info = {"_ALI", 0, ACPI_RTYPE_INTEGER}},
160 {.info = {"_ALP", 0, ACPI_RTYPE_INTEGER}},
161 {.info = {"_ALR", 0, ACPI_RTYPE_PACKAGE}}, {.ret_info = {ACPI_PTYPE2, ACPI_RTYPE_INTEGER, 2, 0, 0, 0}}, /* variable (Pkgs) each 2 (Ints) */
162 {.info = {"_ALT", 0, ACPI_RTYPE_INTEGER}},
163 {.info = {"_BBN", 0, ACPI_RTYPE_INTEGER}},
164 {.info = {"_BCL", 0, ACPI_RTYPE_PACKAGE}}, {.ret_info = {ACPI_PTYPE1_VAR, ACPI_RTYPE_INTEGER, 0, 0, 0, 0}}, /* variable (Ints) */
165 {.info = {"_BCM", 1, 0}},
166 {.info = {"_BDN", 0, ACPI_RTYPE_INTEGER}},
167 {.info = {"_BFS", 1, 0}},
168 {.info = {"_BIF", 0, ACPI_RTYPE_PACKAGE}}, {.ret_info = {ACPI_PTYPE1_FIXED, ACPI_RTYPE_INTEGER,
169 9,
170 ACPI_RTYPE_STRING, 4, 0}}, /* fixed (9 Int),(4 Str) */
171 {.info = {"_BLT", 3, 0}},
172 {.info = {"_BMC", 1, 0}},
173 {.info = {"_BMD", 0, ACPI_RTYPE_PACKAGE}}, {.ret_info = {ACPI_PTYPE1_FIXED, ACPI_RTYPE_INTEGER, 5, 0, 0, 0}}, /* fixed (5 Int) */
174 {.info = {"_BQC", 0, ACPI_RTYPE_INTEGER}},
175 {.info = {"_BST", 0, ACPI_RTYPE_PACKAGE}}, {.ret_info = {ACPI_PTYPE1_FIXED, ACPI_RTYPE_INTEGER, 4, 0, 0, 0}}, /* fixed (4 Int) */
176 {.info = {"_BTM", 1, ACPI_RTYPE_INTEGER}},
177 {.info = {"_BTP", 1, 0}},
178 {.info = {"_CBA", 0, ACPI_RTYPE_INTEGER}}, /* see PCI firmware spec 3.0 */
179 {.info = {"_CID", 0,
180 ACPI_RTYPE_INTEGER | ACPI_RTYPE_STRING | ACPI_RTYPE_PACKAGE}},
181 {.ret_info = {ACPI_PTYPE1_VAR, ACPI_RTYPE_INTEGER | ACPI_RTYPE_STRING, 0, 0, 0, 0}}, /* variable (Ints/Strs) */
182 {.info = {"_CRS", 0, ACPI_RTYPE_BUFFER}},
183 {.info = {"_CRT", 0, ACPI_RTYPE_INTEGER}},
184 {.info = {"_CSD", 0, ACPI_RTYPE_PACKAGE}}, {.ret_info = {ACPI_PTYPE2_COUNT, ACPI_RTYPE_INTEGER, 0, 0, 0, 0}}, /* variable (1 Int(n), n-1 Int) */
185 {.info = {"_CST", 0, ACPI_RTYPE_PACKAGE}}, {.ret_info = {ACPI_PTYPE2_PKG_COUNT,
186 ACPI_RTYPE_BUFFER, 1,
187 ACPI_RTYPE_INTEGER, 3, 0}}, /* variable (1 Int(n), n Pkg (1 Buf/3 Int) */
188 {.info = {"_DCK", 1, ACPI_RTYPE_INTEGER}},
189 {.info = {"_DCS", 0, ACPI_RTYPE_INTEGER}},
190 {.info = {"_DDC", 1, ACPI_RTYPE_INTEGER | ACPI_RTYPE_BUFFER}},
191 {.info = {"_DDN", 0, ACPI_RTYPE_STRING}},
192 {.info = {"_DGS", 0, ACPI_RTYPE_INTEGER}},
193 {.info = {"_DIS", 0, 0}},
194 {.info = {"_DMA", 0, ACPI_RTYPE_BUFFER}},
195 {.info = {"_DOD", 0, ACPI_RTYPE_PACKAGE}}, {.ret_info = {ACPI_PTYPE1_VAR, ACPI_RTYPE_INTEGER, 0, 0, 0, 0}}, /* variable (Ints) */
196 {.info = {"_DOS", 1, 0}},
197 {.info = {"_DSM", 4, ACPI_RTYPE_ALL}}, /* Must return a type, but it can be of any type */
198 {.info = {"_DSS", 1, 0}},
199 {.info = {"_DSW", 3, 0}},
200 {.info = {"_EC_", 0, ACPI_RTYPE_INTEGER}},
201 {.info = {"_EDL", 0, ACPI_RTYPE_PACKAGE}}, {.ret_info = {ACPI_PTYPE1_VAR, ACPI_RTYPE_REFERENCE, 0, 0, 0, 0}}, /* variable (Refs) */
202 {.info = {"_EJ0", 1, 0}},
203 {.info = {"_EJ1", 1, 0}},
204 {.info = {"_EJ2", 1, 0}},
205 {.info = {"_EJ3", 1, 0}},
206 {.info = {"_EJ4", 1, 0}},
207 {.info = {"_EJD", 0, ACPI_RTYPE_STRING}},
208 {.info = {"_FDE", 0, ACPI_RTYPE_BUFFER}},
209 {.info = {"_FDI", 0, ACPI_RTYPE_PACKAGE}}, {.ret_info = {ACPI_PTYPE1_FIXED, ACPI_RTYPE_INTEGER, 16, 0, 0, 0}}, /* fixed (16 Int) */
210 {.info = {"_FDM", 1, 0}},
211 {.info = {"_FIX", 0, ACPI_RTYPE_PACKAGE}}, {.ret_info = {ACPI_PTYPE1_VAR, ACPI_RTYPE_INTEGER, 0, 0, 0, 0}}, /* variable (Ints) */
212 {.info = {"_GLK", 0, ACPI_RTYPE_INTEGER}},
213 {.info = {"_GPD", 0, ACPI_RTYPE_INTEGER}},
214 {.info = {"_GPE", 0, ACPI_RTYPE_INTEGER}}, /* _GPE method, not _GPE scope */
215 {.info = {"_GSB", 0, ACPI_RTYPE_INTEGER}},
216 {.info = {"_GTF", 0, ACPI_RTYPE_BUFFER}},
217 {.info = {"_GTM", 0, ACPI_RTYPE_BUFFER}},
218 {.info = {"_GTS", 1, 0}},
219 {.info = {"_HID", 0, ACPI_RTYPE_INTEGER | ACPI_RTYPE_STRING}},
220 {.info = {"_HOT", 0, ACPI_RTYPE_INTEGER}},
221 {.info = {"_HPP", 0, ACPI_RTYPE_PACKAGE}}, {.ret_info = {ACPI_PTYPE1_FIXED, ACPI_RTYPE_INTEGER, 4, 0, 0, 0}}, /* fixed (4 Int) */
222
223 /*
224 * For _HPX, a single package is returned, containing a variable number of sub-packages.
225 * Each sub-package contains a PCI record setting. There are several different type of
226 * record settings, of different lengths, but all elements of all settings are Integers.
227 */
228 {.info = {"_HPX", 0, ACPI_RTYPE_PACKAGE}}, {.ret_info = {ACPI_PTYPE2_MIN, ACPI_RTYPE_INTEGER, 5, 0, 0, 0}}, /* variable (Pkgs) each (var Ints) */
229 {.info = {"_IFT", 0, ACPI_RTYPE_INTEGER}}, /* see IPMI spec */
230 {.info = {"_INI", 0, 0}},
231 {.info = {"_IRC", 0, 0}},
232 {.info = {"_LCK", 1, 0}},
233 {.info = {"_LID", 0, ACPI_RTYPE_INTEGER}},
234 {.info = {"_MAT", 0, ACPI_RTYPE_BUFFER}},
235 {.info = {"_MLS", 0, ACPI_RTYPE_PACKAGE}}, {.ret_info = {ACPI_PTYPE2, ACPI_RTYPE_STRING, 2, 0, 0, 0}}, /* variable (Pkgs) each (2 Str) */
236 {.info = {"_MSG", 1, 0}},
237 {.info = {"_OFF", 0, 0}},
238 {.info = {"_ON_", 0, 0}},
239 {.info = {"_OS_", 0, ACPI_RTYPE_STRING}},
240 {.info = {"_OSC", 4, ACPI_RTYPE_BUFFER}},
241 {.info = {"_OST", 3, 0}},
242 {.info = {"_PCL", 0, ACPI_RTYPE_PACKAGE}}, {.ret_info = {ACPI_PTYPE1_VAR, ACPI_RTYPE_REFERENCE, 0, 0, 0, 0}}, /* variable (Refs) */
243 {.info = {"_PCT", 0, ACPI_RTYPE_PACKAGE}}, {.ret_info = {ACPI_PTYPE1_FIXED, ACPI_RTYPE_BUFFER, 2, 0, 0, 0}}, /* fixed (2 Buf) */
244 {.info = {"_PDC", 1, 0}},
245 {.info = {"_PIC", 1, 0}},
246 {.info = {"_PLD", 0, ACPI_RTYPE_PACKAGE}}, {.ret_info = {ACPI_PTYPE1_VAR, ACPI_RTYPE_BUFFER, 0, 0, 0, 0}}, /* variable (Bufs) */
247 {.info = {"_PPC", 0, ACPI_RTYPE_INTEGER}},
248 {.info = {"_PPE", 0, ACPI_RTYPE_INTEGER}}, /* see dig64 spec */
249 {.info = {"_PR0", 0, ACPI_RTYPE_PACKAGE}}, {.ret_info = {ACPI_PTYPE1_VAR, ACPI_RTYPE_REFERENCE, 0, 0, 0, 0}}, /* variable (Refs) */
250 {.info = {"_PR1", 0, ACPI_RTYPE_PACKAGE}}, {.ret_info = {ACPI_PTYPE1_VAR, ACPI_RTYPE_REFERENCE, 0, 0, 0, 0}}, /* variable (Refs) */
251 {.info = {"_PR2", 0, ACPI_RTYPE_PACKAGE}}, {.ret_info = {ACPI_PTYPE1_VAR, ACPI_RTYPE_REFERENCE, 0, 0, 0, 0}}, /* variable (Refs) */
252 {.info = {"_PRS", 0, ACPI_RTYPE_BUFFER}},
253
254 /*
255 * For _PRT, many BIOSs reverse the 2nd and 3rd Package elements. This bug is so prevalent that there
256 * is code in the ACPICA Resource Manager to detect this and switch them back. For now, do not allow
257 * and issue a warning. To allow this and eliminate the warning, add the ACPI_RTYPE_REFERENCE
258 * type to the 2nd element (index 1) in the statement below.
259 */
260 {.info = {"_PRT", 0, ACPI_RTYPE_PACKAGE}}, {.ret_info = {ACPI_PTYPE2_FIXED, 4,
261 ACPI_RTYPE_INTEGER,
262 ACPI_RTYPE_INTEGER,
263 ACPI_RTYPE_INTEGER | ACPI_RTYPE_REFERENCE, ACPI_RTYPE_INTEGER}}, /* variable (Pkgs) each (4): Int,Int,Int/Ref,Int */
264
265 {.info = {"_PRW", 0, ACPI_RTYPE_PACKAGE}}, {.ret_info = {ACPI_PTYPE1_OPTION, 2,
266 ACPI_RTYPE_INTEGER |
267 ACPI_RTYPE_PACKAGE,
268 ACPI_RTYPE_INTEGER, ACPI_RTYPE_REFERENCE, 0}}, /* variable (Pkgs) each: Pkg/Int,Int,[variable Refs] (Pkg is Ref/Int) */
269
270 {.info = {"_PS0", 0, 0}},
271 {.info = {"_PS1", 0, 0}},
272 {.info = {"_PS2", 0, 0}},
273 {.info = {"_PS3", 0, 0}},
274 {.info = {"_PSC", 0, ACPI_RTYPE_INTEGER}},
275 {.info = {"_PSD", 0, ACPI_RTYPE_PACKAGE}}, {.ret_info = {ACPI_PTYPE2_COUNT, ACPI_RTYPE_INTEGER, 0, 0, 0, 0}}, /* variable (Pkgs) each (5 Int) with count */
276 {.info = {"_PSL", 0, ACPI_RTYPE_PACKAGE}}, {.ret_info = {ACPI_PTYPE1_VAR, ACPI_RTYPE_REFERENCE, 0, 0, 0, 0}}, /* variable (Refs) */
277 {.info = {"_PSR", 0, ACPI_RTYPE_INTEGER}},
278 {.info = {"_PSS", 0, ACPI_RTYPE_PACKAGE}}, {.ret_info = {ACPI_PTYPE2, ACPI_RTYPE_INTEGER, 6, 0, 0, 0}}, /* variable (Pkgs) each (6 Int) */
279 {.info = {"_PSV", 0, ACPI_RTYPE_INTEGER}},
280 {.info = {"_PSW", 1, 0}},
281 {.info = {"_PTC", 0, ACPI_RTYPE_PACKAGE}}, {.ret_info = {ACPI_PTYPE1_FIXED, ACPI_RTYPE_BUFFER, 2, 0, 0, 0}}, /* fixed (2 Buf) */
282 {.info = {"_PTS", 1, 0}},
283 {.info = {"_PXM", 0, ACPI_RTYPE_INTEGER}},
284 {.info = {"_REG", 2, 0}},
285 {.info = {"_REV", 0, ACPI_RTYPE_INTEGER}},
286 {.info = {"_RMV", 0, ACPI_RTYPE_INTEGER}},
287 {.info = {"_ROM", 2, ACPI_RTYPE_BUFFER}},
288 {.info = {"_RTV", 0, ACPI_RTYPE_INTEGER}},
289
290 /*
291 * For _S0_ through _S5_, the ACPI spec defines a return Package containing 1 Integer,
292 * but most DSDTs have it wrong - 2,3, or 4 integers. Allow this by making the objects "variable length",
293 * but all elements must be Integers.
294 */
295 {.info = {"_S0_", 0, ACPI_RTYPE_PACKAGE}}, {.ret_info = {ACPI_PTYPE1_VAR, ACPI_RTYPE_INTEGER, 1, 0, 0, 0}}, /* fixed (1 Int) */
296 {.info = {"_S1_", 0, ACPI_RTYPE_PACKAGE}}, {.ret_info = {ACPI_PTYPE1_VAR, ACPI_RTYPE_INTEGER, 1, 0, 0, 0}}, /* fixed (1 Int) */
297 {.info = {"_S2_", 0, ACPI_RTYPE_PACKAGE}}, {.ret_info = {ACPI_PTYPE1_VAR, ACPI_RTYPE_INTEGER, 1, 0, 0, 0}}, /* fixed (1 Int) */
298 {.info = {"_S3_", 0, ACPI_RTYPE_PACKAGE}}, {.ret_info = {ACPI_PTYPE1_VAR, ACPI_RTYPE_INTEGER, 1, 0, 0, 0}}, /* fixed (1 Int) */
299 {.info = {"_S4_", 0, ACPI_RTYPE_PACKAGE}}, {.ret_info = {ACPI_PTYPE1_VAR, ACPI_RTYPE_INTEGER, 1, 0, 0, 0}}, /* fixed (1 Int) */
300 {.info = {"_S5_", 0, ACPI_RTYPE_PACKAGE}}, {.ret_info = {ACPI_PTYPE1_VAR, ACPI_RTYPE_INTEGER, 1, 0, 0, 0}}, /* fixed (1 Int) */
301
302 {.info = {"_S1D", 0, ACPI_RTYPE_INTEGER}},
303 {.info = {"_S2D", 0, ACPI_RTYPE_INTEGER}},
304 {.info = {"_S3D", 0, ACPI_RTYPE_INTEGER}},
305 {.info = {"_S4D", 0, ACPI_RTYPE_INTEGER}},
306 {.info = {"_S0W", 0, ACPI_RTYPE_INTEGER}},
307 {.info = {"_S1W", 0, ACPI_RTYPE_INTEGER}},
308 {.info = {"_S2W", 0, ACPI_RTYPE_INTEGER}},
309 {.info = {"_S3W", 0, ACPI_RTYPE_INTEGER}},
310 {.info = {"_S4W", 0, ACPI_RTYPE_INTEGER}},
311 {.info = {"_SBS", 0, ACPI_RTYPE_INTEGER}},
312 {.info = {"_SCP", 0x13, 0}}, /* Acpi 1.0 allowed 1 arg. Acpi 3.0 expanded to 3 args. Allow both. */
313 /* Note: the 3-arg definition may be removed for ACPI 4.0 */
314 {.info = {"_SDD", 1, 0}},
315 {.info = {"_SEG", 0, ACPI_RTYPE_INTEGER}},
316 {.info = {"_SLI", 0, ACPI_RTYPE_BUFFER}},
317 {.info = {"_SPD", 1, ACPI_RTYPE_INTEGER}},
318 {.info = {"_SRS", 1, 0}},
319 {.info = {"_SRV", 0, ACPI_RTYPE_INTEGER}}, /* see IPMI spec */
320 {.info = {"_SST", 1, 0}},
321 {.info = {"_STA", 0, ACPI_RTYPE_INTEGER}},
322 {.info = {"_STM", 3, 0}},
323 {.info = {"_STR", 0, ACPI_RTYPE_BUFFER}},
324 {.info = {"_SUN", 0, ACPI_RTYPE_INTEGER}},
325 {.info = {"_SWS", 0, ACPI_RTYPE_INTEGER}},
326 {.info = {"_TC1", 0, ACPI_RTYPE_INTEGER}},
327 {.info = {"_TC2", 0, ACPI_RTYPE_INTEGER}},
328 {.info = {"_TMP", 0, ACPI_RTYPE_INTEGER}},
329 {.info = {"_TPC", 0, ACPI_RTYPE_INTEGER}},
330 {.info = {"_TPT", 1, 0}},
331 {.info = {"_TRT", 0, ACPI_RTYPE_PACKAGE}}, {.ret_info = {ACPI_PTYPE2, ACPI_RTYPE_REFERENCE, 2,
332 ACPI_RTYPE_INTEGER, 6, 0}}, /* variable (Pkgs) each 2_ref/6_int */
333 {.info = {"_TSD", 0, ACPI_RTYPE_PACKAGE}}, {.ret_info = {ACPI_PTYPE2_COUNT, ACPI_RTYPE_INTEGER, 5, 0, 0, 0}}, /* variable (Pkgs) each 5_int with count */
334 {.info = {"_TSP", 0, ACPI_RTYPE_INTEGER}},
335 {.info = {"_TSS", 0, ACPI_RTYPE_PACKAGE}}, {.ret_info = {ACPI_PTYPE2, ACPI_RTYPE_INTEGER, 5, 0, 0, 0}}, /* variable (Pkgs) each 5_int */
336 {.info = {"_TST", 0, ACPI_RTYPE_INTEGER}},
337 {.info = {"_TTS", 1, 0}},
338 {.info = {"_TZD", 0, ACPI_RTYPE_PACKAGE}}, {.ret_info = {ACPI_PTYPE1_VAR, ACPI_RTYPE_REFERENCE, 0, 0, 0, 0}}, /* variable (Refs) */
339 {.info = {"_TZM", 0, ACPI_RTYPE_REFERENCE}},
340 {.info = {"_TZP", 0, ACPI_RTYPE_INTEGER}},
341 {.info = {"_UID", 0, ACPI_RTYPE_INTEGER | ACPI_RTYPE_STRING}},
342 {.info = {"_UPC", 0, ACPI_RTYPE_PACKAGE}}, {.ret_info = {ACPI_PTYPE1_FIXED, ACPI_RTYPE_INTEGER, 4, 0, 0, 0}}, /* fixed (4 Int) */
343 {.info = {"_UPD", 0, ACPI_RTYPE_INTEGER}},
344 {.info = {"_UPP", 0, ACPI_RTYPE_INTEGER}},
345 {.info = {"_VPO", 0, ACPI_RTYPE_INTEGER}},
346
347 /* Acpi 1.0 defined _WAK with no return value. Later, it was changed to return a package */
348
349 {.info = {"_WAK", 1, ACPI_RTYPE_NONE | ACPI_RTYPE_PACKAGE}},
350 {.ret_info = {ACPI_PTYPE1_FIXED, ACPI_RTYPE_INTEGER, 2, 0, 0, 0}}, /* fixed (2 Int), but is optional */
351 {.ret_info = {0, 0, 0, 0, 0, 0}} /* Table terminator */
352};
353
354#if 0
355 /* Not implemented */
356
357{
358"_WDG", 0, ACPI_RTYPE_BUFFER}, /* MS Extension */
359
360{
361"_WED", 1, ACPI_RTYPE_PACKAGE}, /* MS Extension */
362
363 /* This is an internally implemented control method, no need to check */
364{
365"_OSI", 1, ACPI_RTYPE_INTEGER},
366
367 /* TBD: */
368 _PRT - currently ignore reversed entries.attempt to fix here ?
369 think about code that attempts to fix package elements like _BIF, etc.
370#endif
371#endif