1#pragma once
2
3#include <uacpi/internal/types.h>
4#include <uacpi/opregion.h>
5
6#ifndef UACPI_BAREBONES_MODE
7
8uacpi_status uacpi_initialize_opregion(void);
9void uacpi_deinitialize_opregion(void);
10
11/*
12 * Temporarily releases the namespace write lock to keep the lock ordering
13 * with user API consistent, so the caller must hold it.
14 */
15uacpi_status uacpi_upgrade_to_opregion_lock(void);
16void uacpi_release_opregion_lock(void);
17
18void uacpi_trace_region_error(
19 uacpi_namespace_node *node, uacpi_char *message, uacpi_status ret
20);
21
22uacpi_status uacpi_install_address_space_handler_with_flags(
23 uacpi_namespace_node *device_node, enum uacpi_address_space space,
24 uacpi_region_handler handler, uacpi_handle handler_context,
25 uacpi_u16 flags
26);
27
28void uacpi_opregion_uninstall_handler(uacpi_namespace_node *node);
29
30uacpi_bool uacpi_address_space_handler_is_default(
31 uacpi_address_space_handler *handler
32);
33
34uacpi_address_space_handlers *uacpi_node_get_address_space_handlers(
35 uacpi_namespace_node *node
36);
37
38uacpi_status uacpi_initialize_opregion_node(uacpi_namespace_node *node);
39
40uacpi_status uacpi_opregion_attach(uacpi_namespace_node *node);
41
42void uacpi_install_default_address_space_handlers(void);
43
44uacpi_bool uacpi_is_buffer_access_address_space(uacpi_address_space space);
45
46union uacpi_opregion_io_data {
47 uacpi_u64 *integer;
48 uacpi_data_view buffer;
49};
50
51// Requires the opregion lock, see uacpi_upgrade_to_opregion_lock above
52uacpi_status uacpi_dispatch_opregion_io(
53 uacpi_field_unit *field, uacpi_u32 offset,
54 uacpi_region_op op, union uacpi_opregion_io_data data
55);
56
57#endif // !UACPI_BAREBONES_MODE
58