xref: /openbmc/linux/drivers/acpi/acpica/actables.h (revision 6774def6)
1 /******************************************************************************
2  *
3  * Name: actables.h - ACPI table management
4  *
5  *****************************************************************************/
6 
7 /*
8  * Copyright (C) 2000 - 2014, 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 #ifndef __ACTABLES_H__
45 #define __ACTABLES_H__
46 
47 acpi_status acpi_allocate_root_table(u32 initial_table_count);
48 
49 /*
50  * tbxfroot - Root pointer utilities
51  */
52 u32 acpi_tb_get_rsdp_length(struct acpi_table_rsdp *rsdp);
53 
54 acpi_status acpi_tb_validate_rsdp(struct acpi_table_rsdp *rsdp);
55 
56 u8 *acpi_tb_scan_memory_for_rsdp(u8 *start_address, u32 length);
57 
58 /*
59  * tbdata - table data structure management
60  */
61 acpi_status acpi_tb_get_next_root_index(u32 *table_index);
62 
63 void
64 acpi_tb_init_table_descriptor(struct acpi_table_desc *table_desc,
65 			      acpi_physical_address address,
66 			      u8 flags, struct acpi_table_header *table);
67 
68 acpi_status
69 acpi_tb_acquire_temp_table(struct acpi_table_desc *table_desc,
70 			   acpi_physical_address address, u8 flags);
71 
72 void acpi_tb_release_temp_table(struct acpi_table_desc *table_desc);
73 
74 acpi_status acpi_tb_validate_temp_table(struct acpi_table_desc *table_desc);
75 
76 acpi_status
77 acpi_tb_verify_temp_table(struct acpi_table_desc *table_desc, char *signature);
78 
79 u8 acpi_tb_is_table_loaded(u32 table_index);
80 
81 void acpi_tb_set_table_loaded_flag(u32 table_index, u8 is_loaded);
82 
83 /*
84  * tbfadt - FADT parse/convert/validate
85  */
86 void acpi_tb_parse_fadt(u32 table_index);
87 
88 void acpi_tb_create_local_fadt(struct acpi_table_header *table, u32 length);
89 
90 /*
91  * tbfind - find ACPI table
92  */
93 acpi_status
94 acpi_tb_find_table(char *signature,
95 		   char *oem_id, char *oem_table_id, u32 *table_index);
96 
97 /*
98  * tbinstal - Table removal and deletion
99  */
100 acpi_status acpi_tb_resize_root_table_list(void);
101 
102 acpi_status acpi_tb_validate_table(struct acpi_table_desc *table_desc);
103 
104 void acpi_tb_invalidate_table(struct acpi_table_desc *table_desc);
105 
106 void acpi_tb_override_table(struct acpi_table_desc *old_table_desc);
107 
108 acpi_status
109 acpi_tb_acquire_table(struct acpi_table_desc *table_desc,
110 		      struct acpi_table_header **table_ptr,
111 		      u32 *table_length, u8 *table_flags);
112 
113 void
114 acpi_tb_release_table(struct acpi_table_header *table,
115 		      u32 table_length, u8 table_flags);
116 
117 acpi_status
118 acpi_tb_install_standard_table(acpi_physical_address address,
119 			       u8 flags,
120 			       u8 reload, u8 override, u32 *table_index);
121 
122 acpi_status
123 acpi_tb_store_table(acpi_physical_address address,
124 		    struct acpi_table_header *table,
125 		    u32 length, u8 flags, u32 *table_index);
126 
127 void acpi_tb_uninstall_table(struct acpi_table_desc *table_desc);
128 
129 void acpi_tb_terminate(void);
130 
131 acpi_status acpi_tb_delete_namespace_by_owner(u32 table_index);
132 
133 acpi_status acpi_tb_allocate_owner_id(u32 table_index);
134 
135 acpi_status acpi_tb_release_owner_id(u32 table_index);
136 
137 acpi_status acpi_tb_get_owner_id(u32 table_index, acpi_owner_id *owner_id);
138 
139 /*
140  * tbutils - table manager utilities
141  */
142 acpi_status acpi_tb_initialize_facs(void);
143 
144 u8 acpi_tb_tables_loaded(void);
145 
146 void
147 acpi_tb_print_table_header(acpi_physical_address address,
148 			   struct acpi_table_header *header);
149 
150 u8 acpi_tb_checksum(u8 *buffer, u32 length);
151 
152 acpi_status
153 acpi_tb_verify_checksum(struct acpi_table_header *table, u32 length);
154 
155 void acpi_tb_check_dsdt_header(void);
156 
157 struct acpi_table_header *acpi_tb_copy_dsdt(u32 table_index);
158 
159 void
160 acpi_tb_install_table_with_override(u32 table_index,
161 				    struct acpi_table_desc *new_table_desc,
162 				    u8 override);
163 
164 acpi_status
165 acpi_tb_install_fixed_table(acpi_physical_address address,
166 			    char *signature, u32 table_index);
167 
168 acpi_status acpi_tb_parse_root_table(acpi_physical_address rsdp_address);
169 
170 #endif				/* __ACTABLES_H__ */
171