1 /* SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0 */
2 /******************************************************************************
3  *
4  * Name: actables.h - ACPI table management
5  *
6  * Copyright (C) 2000 - 2019, Intel Corp.
7  *
8  *****************************************************************************/
9 
10 #ifndef __ACTABLES_H__
11 #define __ACTABLES_H__
12 
13 acpi_status acpi_allocate_root_table(u32 initial_table_count);
14 
15 /*
16  * tbxfroot - Root pointer utilities
17  */
18 u32 acpi_tb_get_rsdp_length(struct acpi_table_rsdp *rsdp);
19 
20 acpi_status acpi_tb_validate_rsdp(struct acpi_table_rsdp *rsdp);
21 
22 u8 *acpi_tb_scan_memory_for_rsdp(u8 *start_address, u32 length);
23 
24 /*
25  * tbdata - table data structure management
26  */
27 acpi_status
28 acpi_tb_get_next_table_descriptor(u32 *table_index,
29 				  struct acpi_table_desc **table_desc);
30 
31 void
32 acpi_tb_init_table_descriptor(struct acpi_table_desc *table_desc,
33 			      acpi_physical_address address,
34 			      u8 flags, struct acpi_table_header *table);
35 
36 acpi_status
37 acpi_tb_acquire_temp_table(struct acpi_table_desc *table_desc,
38 			   acpi_physical_address address, u8 flags);
39 
40 void acpi_tb_release_temp_table(struct acpi_table_desc *table_desc);
41 
42 acpi_status acpi_tb_validate_temp_table(struct acpi_table_desc *table_desc);
43 
44 acpi_status
45 acpi_tb_verify_temp_table(struct acpi_table_desc *table_desc,
46 			  char *signature, u32 *table_index);
47 
48 u8 acpi_tb_is_table_loaded(u32 table_index);
49 
50 void acpi_tb_set_table_loaded_flag(u32 table_index, u8 is_loaded);
51 
52 /*
53  * tbfadt - FADT parse/convert/validate
54  */
55 void acpi_tb_parse_fadt(void);
56 
57 void acpi_tb_create_local_fadt(struct acpi_table_header *table, u32 length);
58 
59 /*
60  * tbfind - find ACPI table
61  */
62 acpi_status
63 acpi_tb_find_table(char *signature,
64 		   char *oem_id, char *oem_table_id, u32 *table_index);
65 
66 /*
67  * tbinstal - Table removal and deletion
68  */
69 acpi_status acpi_tb_resize_root_table_list(void);
70 
71 acpi_status acpi_tb_validate_table(struct acpi_table_desc *table_desc);
72 
73 void acpi_tb_invalidate_table(struct acpi_table_desc *table_desc);
74 
75 void acpi_tb_override_table(struct acpi_table_desc *old_table_desc);
76 
77 acpi_status
78 acpi_tb_acquire_table(struct acpi_table_desc *table_desc,
79 		      struct acpi_table_header **table_ptr,
80 		      u32 *table_length, u8 *table_flags);
81 
82 void
83 acpi_tb_release_table(struct acpi_table_header *table,
84 		      u32 table_length, u8 table_flags);
85 
86 acpi_status
87 acpi_tb_install_standard_table(acpi_physical_address address,
88 			       u8 flags,
89 			       u8 reload, u8 override, u32 *table_index);
90 
91 void acpi_tb_uninstall_table(struct acpi_table_desc *table_desc);
92 
93 acpi_status
94 acpi_tb_load_table(u32 table_index, struct acpi_namespace_node *parent_node);
95 
96 acpi_status
97 acpi_tb_install_and_load_table(acpi_physical_address address,
98 			       u8 flags, u8 override, u32 *table_index);
99 
100 acpi_status acpi_tb_unload_table(u32 table_index);
101 
102 void acpi_tb_notify_table(u32 event, void *table);
103 
104 void acpi_tb_terminate(void);
105 
106 acpi_status acpi_tb_delete_namespace_by_owner(u32 table_index);
107 
108 acpi_status acpi_tb_allocate_owner_id(u32 table_index);
109 
110 acpi_status acpi_tb_release_owner_id(u32 table_index);
111 
112 acpi_status acpi_tb_get_owner_id(u32 table_index, acpi_owner_id *owner_id);
113 
114 /*
115  * tbutils - table manager utilities
116  */
117 acpi_status acpi_tb_initialize_facs(void);
118 
119 void
120 acpi_tb_print_table_header(acpi_physical_address address,
121 			   struct acpi_table_header *header);
122 
123 u8 acpi_tb_checksum(u8 *buffer, u32 length);
124 
125 acpi_status
126 acpi_tb_verify_checksum(struct acpi_table_header *table, u32 length);
127 
128 void acpi_tb_check_dsdt_header(void);
129 
130 struct acpi_table_header *acpi_tb_copy_dsdt(u32 table_index);
131 
132 void
133 acpi_tb_install_table_with_override(struct acpi_table_desc *new_table_desc,
134 				    u8 override, u32 *table_index);
135 
136 acpi_status acpi_tb_parse_root_table(acpi_physical_address rsdp_address);
137 
138 acpi_status
139 acpi_tb_get_table(struct acpi_table_desc *table_desc,
140 		  struct acpi_table_header **out_table);
141 
142 void acpi_tb_put_table(struct acpi_table_desc *table_desc);
143 
144 /*
145  * tbxfload
146  */
147 acpi_status acpi_tb_load_namespace(void);
148 
149 #endif				/* __ACTABLES_H__ */
150