Merge tag 'pci-v3.9-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci
[linux-3.10.git] / include / acpi / acpiosxf.h
1 /******************************************************************************
2  *
3  * Name: acpiosxf.h - All interfaces to the OS Services Layer (OSL). These
4  *                    interfaces must be implemented by OSL to interface the
5  *                    ACPI components to the host operating system.
6  *
7  *****************************************************************************/
8
9 /*
10  * Copyright (C) 2000 - 2013, Intel Corp.
11  * All rights reserved.
12  *
13  * Redistribution and use in source and binary forms, with or without
14  * modification, are permitted provided that the following conditions
15  * are met:
16  * 1. Redistributions of source code must retain the above copyright
17  *    notice, this list of conditions, and the following disclaimer,
18  *    without modification.
19  * 2. Redistributions in binary form must reproduce at minimum a disclaimer
20  *    substantially similar to the "NO WARRANTY" disclaimer below
21  *    ("Disclaimer") and any redistribution must be conditioned upon
22  *    including a substantially similar Disclaimer requirement for further
23  *    binary redistribution.
24  * 3. Neither the names of the above-listed copyright holders nor the names
25  *    of any contributors may be used to endorse or promote products derived
26  *    from this software without specific prior written permission.
27  *
28  * Alternatively, this software may be distributed under the terms of the
29  * GNU General Public License ("GPL") version 2 as published by the Free
30  * Software Foundation.
31  *
32  * NO WARRANTY
33  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
34  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
35  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
36  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
37  * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
38  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
39  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
40  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
41  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
42  * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
43  * POSSIBILITY OF SUCH DAMAGES.
44  */
45
46 #ifndef __ACPIOSXF_H__
47 #define __ACPIOSXF_H__
48
49 #include <acpi/platform/acenv.h>
50 #include <acpi/actypes.h>
51
52 /* Types for acpi_os_execute */
53
54 typedef enum {
55         OSL_GLOBAL_LOCK_HANDLER,
56         OSL_NOTIFY_HANDLER,
57         OSL_GPE_HANDLER,
58         OSL_DEBUGGER_THREAD,
59         OSL_EC_POLL_HANDLER,
60         OSL_EC_BURST_HANDLER
61 } acpi_execute_type;
62
63 #define ACPI_NO_UNIT_LIMIT          ((u32) -1)
64 #define ACPI_MUTEX_SEM              1
65
66 /* Functions for acpi_os_signal */
67
68 #define ACPI_SIGNAL_FATAL           0
69 #define ACPI_SIGNAL_BREAKPOINT      1
70
71 struct acpi_signal_fatal_info {
72         u32 type;
73         u32 code;
74         u32 argument;
75 };
76
77 /*
78  * OSL Initialization and shutdown primitives
79  */
80 acpi_status __initdata acpi_os_initialize(void);
81
82 acpi_status acpi_os_terminate(void);
83
84 /*
85  * ACPI Table interfaces
86  */
87 acpi_physical_address acpi_os_get_root_pointer(void);
88
89 acpi_status
90 acpi_os_predefined_override(const struct acpi_predefined_names *init_val,
91                             acpi_string * new_val);
92
93 acpi_status
94 acpi_os_table_override(struct acpi_table_header *existing_table,
95                        struct acpi_table_header **new_table);
96
97 acpi_status
98 acpi_os_physical_table_override(struct acpi_table_header *existing_table,
99                                 acpi_physical_address * new_address,
100                                 u32 *new_table_length);
101
102 /*
103  * Spinlock primitives
104  */
105 #ifndef acpi_os_create_lock
106 acpi_status acpi_os_create_lock(acpi_spinlock * out_handle);
107 #endif
108
109 void acpi_os_delete_lock(acpi_spinlock handle);
110
111 acpi_cpu_flags acpi_os_acquire_lock(acpi_spinlock handle);
112
113 void acpi_os_release_lock(acpi_spinlock handle, acpi_cpu_flags flags);
114
115 /*
116  * Semaphore primitives
117  */
118 acpi_status
119 acpi_os_create_semaphore(u32 max_units,
120                          u32 initial_units, acpi_semaphore * out_handle);
121
122 acpi_status acpi_os_delete_semaphore(acpi_semaphore handle);
123
124 acpi_status
125 acpi_os_wait_semaphore(acpi_semaphore handle, u32 units, u16 timeout);
126
127 acpi_status acpi_os_signal_semaphore(acpi_semaphore handle, u32 units);
128
129 /*
130  * Mutex primitives. May be configured to use semaphores instead via
131  * ACPI_MUTEX_TYPE (see platform/acenv.h)
132  */
133 #if (ACPI_MUTEX_TYPE != ACPI_BINARY_SEMAPHORE)
134
135 acpi_status acpi_os_create_mutex(acpi_mutex * out_handle);
136
137 void acpi_os_delete_mutex(acpi_mutex handle);
138
139 acpi_status acpi_os_acquire_mutex(acpi_mutex handle, u16 timeout);
140
141 void acpi_os_release_mutex(acpi_mutex handle);
142 #endif
143
144 /*
145  * Memory allocation and mapping
146  */
147 void *acpi_os_allocate(acpi_size size);
148
149 void acpi_os_free(void *memory);
150
151 void __iomem *acpi_os_map_memory(acpi_physical_address where,
152                                 acpi_size length);
153
154 void acpi_os_unmap_memory(void __iomem * logical_address, acpi_size size);
155 void early_acpi_os_unmap_memory(void __iomem * virt, acpi_size size);
156
157 #ifdef ACPI_FUTURE_USAGE
158 acpi_status
159 acpi_os_get_physical_address(void *logical_address,
160                              acpi_physical_address * physical_address);
161 #endif
162
163 /*
164  * Memory/Object Cache
165  */
166 acpi_status
167 acpi_os_create_cache(char *cache_name,
168                      u16 object_size,
169                      u16 max_depth, acpi_cache_t ** return_cache);
170
171 acpi_status acpi_os_delete_cache(acpi_cache_t * cache);
172
173 acpi_status acpi_os_purge_cache(acpi_cache_t * cache);
174
175 void *acpi_os_acquire_object(acpi_cache_t * cache);
176
177 acpi_status acpi_os_release_object(acpi_cache_t * cache, void *object);
178
179 /*
180  * Interrupt handlers
181  */
182 acpi_status
183 acpi_os_install_interrupt_handler(u32 interrupt_number,
184                                   acpi_osd_handler service_routine,
185                                   void *context);
186
187 acpi_status
188 acpi_os_remove_interrupt_handler(u32 interrupt_number,
189                                  acpi_osd_handler service_routine);
190
191 void acpi_os_gpe_count(u32 gpe_number);
192 void acpi_os_fixed_event_count(u32 fixed_event_number);
193
194 /*
195  * Threads and Scheduling
196  */
197 acpi_thread_id acpi_os_get_thread_id(void);
198
199 acpi_status
200 acpi_os_execute(acpi_execute_type type,
201                 acpi_osd_exec_callback function, void *context);
202
203 acpi_status
204 acpi_os_hotplug_execute(acpi_osd_exec_callback function, void *context);
205
206 void acpi_os_wait_events_complete(void);
207
208 void acpi_os_sleep(u64 milliseconds);
209
210 void acpi_os_stall(u32 microseconds);
211
212 /*
213  * Platform and hardware-independent I/O interfaces
214  */
215 acpi_status acpi_os_read_port(acpi_io_address address, u32 * value, u32 width);
216
217 acpi_status acpi_os_write_port(acpi_io_address address, u32 value, u32 width);
218
219 /*
220  * Platform and hardware-independent physical memory interfaces
221  */
222 acpi_status
223 acpi_os_read_memory(acpi_physical_address address, u64 *value, u32 width);
224
225 acpi_status
226 acpi_os_write_memory(acpi_physical_address address, u64 value, u32 width);
227
228 /*
229  * Platform and hardware-independent PCI configuration space access
230  * Note: Can't use "Register" as a parameter, changed to "Reg" --
231  * certain compilers complain.
232  */
233 acpi_status
234 acpi_os_read_pci_configuration(struct acpi_pci_id *pci_id,
235                                u32 reg, u64 *value, u32 width);
236
237 acpi_status
238 acpi_os_write_pci_configuration(struct acpi_pci_id *pci_id,
239                                 u32 reg, u64 value, u32 width);
240
241 /*
242  * Miscellaneous
243  */
244 u64 acpi_os_get_timer(void);
245
246 acpi_status acpi_os_signal(u32 function, void *info);
247
248 /*
249  * Debug print routines
250  */
251 void ACPI_INTERNAL_VAR_XFACE acpi_os_printf(const char *format, ...);
252
253 void acpi_os_vprintf(const char *format, va_list args);
254
255 void acpi_os_redirect_output(void *destination);
256
257 #ifdef ACPI_FUTURE_USAGE
258 /*
259  * Debug input
260  */
261 u32 acpi_os_get_line(char *buffer);
262 #endif
263
264 /*
265  * Directory manipulation
266  */
267 void *acpi_os_open_directory(char *pathname,
268                              char *wildcard_spec, char requested_file_type);
269
270 /* requeste_file_type values */
271
272 #define REQUEST_FILE_ONLY                   0
273 #define REQUEST_DIR_ONLY                    1
274
275 char *acpi_os_get_next_filename(void *dir_handle);
276
277 void acpi_os_close_directory(void *dir_handle);
278
279 #endif                          /* __ACPIOSXF_H__ */