ia64/kvm: compilation fix. export account_system_vtime.
[pv_ops_mirror.git] / drivers / acpi / resources / rsio.c
blobb66d42e7402e4430a7f85f951e2b57bafcf8f934
1 /*******************************************************************************
3 * Module Name: rsio - IO and DMA resource descriptors
5 ******************************************************************************/
7 /*
8 * Copyright (C) 2000 - 2008, Intel Corp.
9 * All rights reserved.
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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
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20 * including a substantially similar Disclaimer requirement for further
21 * binary redistribution.
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23 * of any contributors may be used to endorse or promote products derived
24 * from this software without specific prior written permission.
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.
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
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44 #include <acpi/acpi.h>
45 #include <acpi/acresrc.h>
47 #define _COMPONENT ACPI_RESOURCES
48 ACPI_MODULE_NAME("rsio")
50 /*******************************************************************************
52 * acpi_rs_convert_io
54 ******************************************************************************/
55 struct acpi_rsconvert_info acpi_rs_convert_io[5] = {
56 {ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_IO,
57 ACPI_RS_SIZE(struct acpi_resource_io),
58 ACPI_RSC_TABLE_SIZE(acpi_rs_convert_io)},
60 {ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_IO,
61 sizeof(struct aml_resource_io),
62 0},
64 /* Decode flag */
66 {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.io.io_decode),
67 AML_OFFSET(io.flags),
68 0},
70 * These fields are contiguous in both the source and destination:
71 * Address Alignment
72 * Length
73 * Minimum Base Address
74 * Maximum Base Address
76 {ACPI_RSC_MOVE8, ACPI_RS_OFFSET(data.io.alignment),
77 AML_OFFSET(io.alignment),
78 2},
80 {ACPI_RSC_MOVE16, ACPI_RS_OFFSET(data.io.minimum),
81 AML_OFFSET(io.minimum),
85 /*******************************************************************************
87 * acpi_rs_convert_fixed_io
89 ******************************************************************************/
91 struct acpi_rsconvert_info acpi_rs_convert_fixed_io[4] = {
92 {ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_FIXED_IO,
93 ACPI_RS_SIZE(struct acpi_resource_fixed_io),
94 ACPI_RSC_TABLE_SIZE(acpi_rs_convert_fixed_io)},
96 {ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_FIXED_IO,
97 sizeof(struct aml_resource_fixed_io),
98 0},
100 * These fields are contiguous in both the source and destination:
101 * Base Address
102 * Length
104 {ACPI_RSC_MOVE8, ACPI_RS_OFFSET(data.fixed_io.address_length),
105 AML_OFFSET(fixed_io.address_length),
108 {ACPI_RSC_MOVE16, ACPI_RS_OFFSET(data.fixed_io.address),
109 AML_OFFSET(fixed_io.address),
113 /*******************************************************************************
115 * acpi_rs_convert_generic_reg
117 ******************************************************************************/
119 struct acpi_rsconvert_info acpi_rs_convert_generic_reg[4] = {
120 {ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_GENERIC_REGISTER,
121 ACPI_RS_SIZE(struct acpi_resource_generic_register),
122 ACPI_RSC_TABLE_SIZE(acpi_rs_convert_generic_reg)},
124 {ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_GENERIC_REGISTER,
125 sizeof(struct aml_resource_generic_register),
128 * These fields are contiguous in both the source and destination:
129 * Address Space ID
130 * Register Bit Width
131 * Register Bit Offset
132 * Access Size
134 {ACPI_RSC_MOVE8, ACPI_RS_OFFSET(data.generic_reg.space_id),
135 AML_OFFSET(generic_reg.address_space_id),
138 /* Get the Register Address */
140 {ACPI_RSC_MOVE64, ACPI_RS_OFFSET(data.generic_reg.address),
141 AML_OFFSET(generic_reg.address),
145 /*******************************************************************************
147 * acpi_rs_convert_end_dpf
149 ******************************************************************************/
151 struct acpi_rsconvert_info acpi_rs_convert_end_dpf[2] = {
152 {ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_END_DEPENDENT,
153 ACPI_RS_SIZE_MIN,
154 ACPI_RSC_TABLE_SIZE(acpi_rs_convert_end_dpf)},
156 {ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_END_DEPENDENT,
157 sizeof(struct aml_resource_end_dependent),
161 /*******************************************************************************
163 * acpi_rs_convert_end_tag
165 ******************************************************************************/
167 struct acpi_rsconvert_info acpi_rs_convert_end_tag[2] = {
168 {ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_END_TAG,
169 ACPI_RS_SIZE_MIN,
170 ACPI_RSC_TABLE_SIZE(acpi_rs_convert_end_tag)},
173 * Note: The checksum field is set to zero, meaning that the resource
174 * data is treated as if the checksum operation succeeded.
175 * (ACPI Spec 1.0b Section 6.4.2.8)
177 {ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_END_TAG,
178 sizeof(struct aml_resource_end_tag),
182 /*******************************************************************************
184 * acpi_rs_get_start_dpf
186 ******************************************************************************/
188 struct acpi_rsconvert_info acpi_rs_get_start_dpf[6] = {
189 {ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_START_DEPENDENT,
190 ACPI_RS_SIZE(struct acpi_resource_start_dependent),
191 ACPI_RSC_TABLE_SIZE(acpi_rs_get_start_dpf)},
193 /* Defaults for Compatibility and Performance priorities */
195 {ACPI_RSC_SET8, ACPI_RS_OFFSET(data.start_dpf.compatibility_priority),
196 ACPI_ACCEPTABLE_CONFIGURATION,
199 /* Get the descriptor length (0 or 1 for Start Dpf descriptor) */
201 {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.start_dpf.descriptor_length),
202 AML_OFFSET(start_dpf.descriptor_type),
205 /* All done if there is no flag byte present in the descriptor */
207 {ACPI_RSC_EXIT_NE, ACPI_RSC_COMPARE_AML_LENGTH, 0, 1},
209 /* Flag byte is present, get the flags */
211 {ACPI_RSC_2BITFLAG,
212 ACPI_RS_OFFSET(data.start_dpf.compatibility_priority),
213 AML_OFFSET(start_dpf.flags),
216 {ACPI_RSC_2BITFLAG,
217 ACPI_RS_OFFSET(data.start_dpf.performance_robustness),
218 AML_OFFSET(start_dpf.flags),
222 /*******************************************************************************
224 * acpi_rs_set_start_dpf
226 ******************************************************************************/
228 struct acpi_rsconvert_info acpi_rs_set_start_dpf[10] = {
229 /* Start with a default descriptor of length 1 */
231 {ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_START_DEPENDENT,
232 sizeof(struct aml_resource_start_dependent),
233 ACPI_RSC_TABLE_SIZE(acpi_rs_set_start_dpf)},
235 /* Set the default flag values */
237 {ACPI_RSC_2BITFLAG,
238 ACPI_RS_OFFSET(data.start_dpf.compatibility_priority),
239 AML_OFFSET(start_dpf.flags),
242 {ACPI_RSC_2BITFLAG,
243 ACPI_RS_OFFSET(data.start_dpf.performance_robustness),
244 AML_OFFSET(start_dpf.flags),
247 * All done if the output descriptor length is required to be 1
248 * (i.e., optimization to 0 bytes cannot be attempted)
250 {ACPI_RSC_EXIT_EQ, ACPI_RSC_COMPARE_VALUE,
251 ACPI_RS_OFFSET(data.start_dpf.descriptor_length),
254 /* Set length to 0 bytes (no flags byte) */
256 {ACPI_RSC_LENGTH, 0, 0,
257 sizeof(struct aml_resource_start_dependent_noprio)},
260 * All done if the output descriptor length is required to be 0.
262 * TBD: Perhaps we should check for error if input flags are not
263 * compatible with a 0-byte descriptor.
265 {ACPI_RSC_EXIT_EQ, ACPI_RSC_COMPARE_VALUE,
266 ACPI_RS_OFFSET(data.start_dpf.descriptor_length),
269 /* Reset length to 1 byte (descriptor with flags byte) */
271 {ACPI_RSC_LENGTH, 0, 0, sizeof(struct aml_resource_start_dependent)},
274 * All done if flags byte is necessary -- if either priority value
275 * is not ACPI_ACCEPTABLE_CONFIGURATION
277 {ACPI_RSC_EXIT_NE, ACPI_RSC_COMPARE_VALUE,
278 ACPI_RS_OFFSET(data.start_dpf.compatibility_priority),
279 ACPI_ACCEPTABLE_CONFIGURATION},
281 {ACPI_RSC_EXIT_NE, ACPI_RSC_COMPARE_VALUE,
282 ACPI_RS_OFFSET(data.start_dpf.performance_robustness),
283 ACPI_ACCEPTABLE_CONFIGURATION},
285 /* Flag byte is not necessary */
287 {ACPI_RSC_LENGTH, 0, 0,
288 sizeof(struct aml_resource_start_dependent_noprio)}