xref: /openbmc/linux/drivers/acpi/acpica/actables.h (revision 5bd8e16d)
1 /******************************************************************************
2  *
3  * Name: actables.h - ACPI table management
4  *
5  *****************************************************************************/
6 
7 /*
8  * Copyright (C) 2000 - 2013, 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 acpi_status acpi_tb_validate_rsdp(struct acpi_table_rsdp *rsdp);
53 
54 u8 *acpi_tb_scan_memory_for_rsdp(u8 *start_address, u32 length);
55 
56 /*
57  * tbfadt - FADT parse/convert/validate
58  */
59 void acpi_tb_parse_fadt(u32 table_index);
60 
61 void acpi_tb_create_local_fadt(struct acpi_table_header *table, u32 length);
62 
63 /*
64  * tbfind - find ACPI table
65  */
66 acpi_status
67 acpi_tb_find_table(char *signature,
68 		   char *oem_id, char *oem_table_id, u32 *table_index);
69 
70 /*
71  * tbinstal - Table removal and deletion
72  */
73 acpi_status acpi_tb_resize_root_table_list(void);
74 
75 acpi_status acpi_tb_verify_table(struct acpi_table_desc *table_desc);
76 
77 struct acpi_table_header *acpi_tb_table_override(struct acpi_table_header
78 						 *table_header,
79 						 struct acpi_table_desc
80 						 *table_desc);
81 
82 acpi_status
83 acpi_tb_add_table(struct acpi_table_desc *table_desc, u32 *table_index);
84 
85 acpi_status
86 acpi_tb_store_table(acpi_physical_address address,
87 		    struct acpi_table_header *table,
88 		    u32 length, u8 flags, u32 *table_index);
89 
90 void acpi_tb_delete_table(struct acpi_table_desc *table_desc);
91 
92 void acpi_tb_terminate(void);
93 
94 acpi_status acpi_tb_delete_namespace_by_owner(u32 table_index);
95 
96 acpi_status acpi_tb_allocate_owner_id(u32 table_index);
97 
98 acpi_status acpi_tb_release_owner_id(u32 table_index);
99 
100 acpi_status acpi_tb_get_owner_id(u32 table_index, acpi_owner_id *owner_id);
101 
102 u8 acpi_tb_is_table_loaded(u32 table_index);
103 
104 void acpi_tb_set_table_loaded_flag(u32 table_index, u8 is_loaded);
105 
106 /*
107  * tbutils - table manager utilities
108  */
109 acpi_status acpi_tb_initialize_facs(void);
110 
111 u8 acpi_tb_tables_loaded(void);
112 
113 void
114 acpi_tb_print_table_header(acpi_physical_address address,
115 			   struct acpi_table_header *header);
116 
117 u8 acpi_tb_checksum(u8 *buffer, u32 length);
118 
119 acpi_status
120 acpi_tb_verify_checksum(struct acpi_table_header *table, u32 length);
121 
122 void acpi_tb_check_dsdt_header(void);
123 
124 struct acpi_table_header *acpi_tb_copy_dsdt(u32 table_index);
125 
126 void
127 acpi_tb_install_table(acpi_physical_address address,
128 		      char *signature, u32 table_index);
129 
130 acpi_status acpi_tb_parse_root_table(acpi_physical_address rsdp_address);
131 
132 #endif				/* __ACTABLES_H__ */
133