Palacios Public Git Repository

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  git clone http://v3vee.org/palacios/palacios.web/palacios.git
This will give you the master branch. You probably want the devel branch or one of the release branches. To switch to the devel branch, simply execute
  cd palacios
  git checkout --track -b devel origin/devel
The other branches are similar.


0cd63bce0ae423d1905d37448879df7c802d79ac
[palacios.git] / kitten / include / acpi / acpiosxf.h
1
2 /******************************************************************************
3  *
4  * Name: acpiosxf.h - All interfaces to the OS Services Layer (OSL).  These
5  *                    interfaces must be implemented by OSL to interface the
6  *                    ACPI components to the host operating system.
7  *
8  *****************************************************************************/
9
10 /*
11  * Copyright (C) 2000 - 2006, R. Byron Moore
12  * All rights reserved.
13  *
14  * Redistribution and use in source and binary forms, with or without
15  * modification, are permitted provided that the following conditions
16  * are met:
17  * 1. Redistributions of source code must retain the above copyright
18  *    notice, this list of conditions, and the following disclaimer,
19  *    without modification.
20  * 2. Redistributions in binary form must reproduce at minimum a disclaimer
21  *    substantially similar to the "NO WARRANTY" disclaimer below
22  *    ("Disclaimer") and any redistribution must be conditioned upon
23  *    including a substantially similar Disclaimer requirement for further
24  *    binary redistribution.
25  * 3. Neither the names of the above-listed copyright holders nor the names
26  *    of any contributors may be used to endorse or promote products derived
27  *    from this software without specific prior written permission.
28  *
29  * Alternatively, this software may be distributed under the terms of the
30  * GNU General Public License ("GPL") version 2 as published by the Free
31  * Software Foundation.
32  *
33  * NO WARRANTY
34  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
35  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
36  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
37  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
38  * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
39  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
40  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
41  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
42  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
43  * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
44  * POSSIBILITY OF SUCH DAMAGES.
45  */
46
47 #ifndef __ACPIOSXF_H__
48 #define __ACPIOSXF_H__
49
50 #include "platform/acenv.h"
51 #include "actypes.h"
52
53 /* Types for acpi_os_execute */
54
55 typedef enum {
56         OSL_GLOBAL_LOCK_HANDLER,
57         OSL_NOTIFY_HANDLER,
58         OSL_GPE_HANDLER,
59         OSL_DEBUGGER_THREAD,
60         OSL_EC_POLL_HANDLER,
61         OSL_EC_BURST_HANDLER
62 } acpi_execute_type;
63
64 #define ACPI_NO_UNIT_LIMIT          ((u32) -1)
65 #define ACPI_MUTEX_SEM              1
66
67 /* Functions for acpi_os_signal */
68
69 #define ACPI_SIGNAL_FATAL           0
70 #define ACPI_SIGNAL_BREAKPOINT      1
71
72 struct acpi_signal_fatal_info {
73         u32 type;
74         u32 code;
75         u32 argument;
76 };
77
78 /*
79  * OSL Initialization and shutdown primitives
80  */
81 acpi_status acpi_os_initialize(void);
82
83 acpi_status acpi_os_terminate(void);
84
85 /*
86  * ACPI Table interfaces
87  */
88 acpi_status acpi_os_get_root_pointer(u32 flags, struct acpi_pointer *address);
89
90 acpi_status
91 acpi_os_predefined_override(const struct acpi_predefined_names *init_val,
92                             acpi_string * new_val);
93
94 acpi_status
95 acpi_os_table_override(struct acpi_table_header *existing_table,
96                        struct acpi_table_header **new_table);
97
98 /*
99  * Spinlock primitives
100  */
101 acpi_status acpi_os_create_lock(acpi_spinlock * out_handle);
102
103 void acpi_os_delete_lock(acpi_spinlock handle);
104
105 acpi_cpu_flags acpi_os_acquire_lock(acpi_spinlock handle);
106
107 void acpi_os_release_lock(acpi_spinlock handle, acpi_cpu_flags flags);
108
109 /*
110  * Semaphore primitives
111  */
112 acpi_status
113 acpi_os_create_semaphore(u32 max_units,
114                          u32 initial_units, acpi_semaphore * out_handle);
115
116 acpi_status acpi_os_delete_semaphore(acpi_semaphore handle);
117
118 acpi_status
119 acpi_os_wait_semaphore(acpi_semaphore handle, u32 units, u16 timeout);
120
121 acpi_status acpi_os_signal_semaphore(acpi_semaphore handle, u32 units);
122
123 /*
124  * Mutex primitives
125  */
126 acpi_status acpi_os_create_mutex(acpi_mutex * out_handle);
127
128 void acpi_os_delete_mutex(acpi_mutex handle);
129
130 acpi_status acpi_os_acquire_mutex(acpi_mutex handle, u16 timeout);
131
132 void acpi_os_release_mutex(acpi_mutex handle);
133
134 /* Temporary macros for Mutex* interfaces, map to existing semaphore xfaces */
135
136 #define acpi_os_create_mutex(out_handle)    acpi_os_create_semaphore (1, 1, out_handle)
137 #define acpi_os_delete_mutex(handle)        (void) acpi_os_delete_semaphore (handle)
138 #define acpi_os_acquire_mutex(handle,time)  acpi_os_wait_semaphore (handle, 1, time)
139 #define acpi_os_release_mutex(handle)       (void) acpi_os_signal_semaphore (handle, 1)
140
141 /*
142  * Memory allocation and mapping
143  */
144 void *acpi_os_allocate(acpi_size size);
145
146 acpi_status
147 acpi_os_map_memory(acpi_physical_address physical_address,
148                    acpi_size size, void __iomem ** logical_address);
149
150 void acpi_os_unmap_memory(void __iomem * logical_address, acpi_size size);
151
152 #ifdef ACPI_FUTURE_USAGE
153 acpi_status
154 acpi_os_get_physical_address(void *logical_address,
155                              acpi_physical_address * physical_address);
156 #endif
157
158 /*
159  * Memory/Object Cache
160  */
161 acpi_status
162 acpi_os_create_cache(char *cache_name,
163                      u16 object_size,
164                      u16 max_depth, acpi_cache_t ** return_cache);
165
166 acpi_status acpi_os_delete_cache(acpi_cache_t * cache);
167
168 acpi_status acpi_os_purge_cache(acpi_cache_t * cache);
169
170 void *acpi_os_acquire_object(acpi_cache_t * cache);
171
172 acpi_status acpi_os_release_object(acpi_cache_t * cache, void *object);
173
174 /*
175  * Interrupt handlers
176  */
177 acpi_status
178 acpi_os_install_interrupt_handler(u32 gsi,
179                                   acpi_osd_handler service_routine,
180                                   void *context);
181
182 acpi_status
183 acpi_os_remove_interrupt_handler(u32 gsi, acpi_osd_handler service_routine);
184
185 /*
186  * Threads and Scheduling
187  */
188 acpi_thread_id acpi_os_get_thread_id(void);
189
190 acpi_status
191 acpi_os_execute(acpi_execute_type type,
192                 acpi_osd_exec_callback function, void *context);
193
194 void acpi_os_wait_events_complete(void *context);
195
196 void acpi_os_sleep(acpi_integer milliseconds);
197
198 void acpi_os_stall(u32 microseconds);
199
200 /*
201  * Platform and hardware-independent I/O interfaces
202  */
203 acpi_status acpi_os_read_port(acpi_io_address address, u32 * value, u32 width);
204
205 acpi_status acpi_os_write_port(acpi_io_address address, u32 value, u32 width);
206
207 /*
208  * Platform and hardware-independent physical memory interfaces
209  */
210 acpi_status
211 acpi_os_read_memory(acpi_physical_address address, u32 * value, u32 width);
212
213 acpi_status
214 acpi_os_write_memory(acpi_physical_address address, u32 value, u32 width);
215
216 /*
217  * Platform and hardware-independent PCI configuration space access
218  * Note: Can't use "Register" as a parameter, changed to "Reg" --
219  * certain compilers complain.
220  */
221 acpi_status
222 acpi_os_read_pci_configuration(struct acpi_pci_id *pci_id,
223                                u32 reg, void *value, u32 width);
224
225 acpi_status
226 acpi_os_write_pci_configuration(struct acpi_pci_id *pci_id,
227                                 u32 reg, acpi_integer value, u32 width);
228
229 /*
230  * Interim function needed for PCI IRQ routing
231  */
232 void
233 acpi_os_derive_pci_id(acpi_handle rhandle,
234                       acpi_handle chandle, struct acpi_pci_id **pci_id);
235
236 /*
237  * Miscellaneous
238  */
239 acpi_status acpi_os_validate_interface(char *interface);
240
241 acpi_status
242 acpi_os_validate_address(u8 space_id,
243                          acpi_physical_address address, acpi_size length);
244
245 u8 acpi_os_readable(void *pointer, acpi_size length);
246
247 #ifdef ACPI_FUTURE_USAGE
248 u8 acpi_os_writable(void *pointer, acpi_size length);
249 #endif
250
251 u64 acpi_os_get_timer(void);
252
253 acpi_status acpi_os_signal(u32 function, void *info);
254
255 /*
256  * Debug print routines
257  */
258 void ACPI_INTERNAL_VAR_XFACE acpi_os_printf(const char *format, ...);
259
260 void acpi_os_vprintf(const char *format, va_list args);
261
262 void acpi_os_redirect_output(void *destination);
263
264 #ifdef ACPI_FUTURE_USAGE
265 /*
266  * Debug input
267  */
268 u32 acpi_os_get_line(char *buffer);
269 #endif
270
271 /*
272  * Directory manipulation
273  */
274 void *acpi_os_open_directory(char *pathname,
275                              char *wildcard_spec, char requested_file_type);
276
277 /* requeste_file_type values */
278
279 #define REQUEST_FILE_ONLY                   0
280 #define REQUEST_DIR_ONLY                    1
281
282 char *acpi_os_get_next_filename(void *dir_handle);
283
284 void acpi_os_close_directory(void *dir_handle);
285
286 #endif                          /* __ACPIOSXF_H__ */