ia64/xen-unstable

view xen/include/acpi/acpi_bus.h @ 19836:d9890e67d2b7

tools: add SHAREDIR to buildmakevars2file

c/s 19818 dropped SHAREDIR from xen/util/path.py, which broke the "xm
new" command. This patch adds SHAREDIR back to the new
buildmakevars2file-closure function.

Signed-off-by: Ryan O'Connor <rjo@cs.ubc.ca>
author Keir Fraser <keir.fraser@citrix.com>
date Thu Jun 25 13:05:10 2009 +0100 (2009-06-25)
parents 13cba2e78a65
children
line source
1 /*
2 * acpi_bus.h - ACPI Bus Driver ($Revision: 22 $)
3 *
4 * Copyright (C) 2001, 2002 Andy Grover <andrew.grover@intel.com>
5 * Copyright (C) 2001, 2002 Paul Diefenbaugh <paul.s.diefenbaugh@intel.com>
6 *
7 * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
8 *
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 2 of the License, or (at
12 * your option) any later version.
13 *
14 * This program is distributed in the hope that it will be useful, but
15 * WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17 * General Public License for more details.
18 *
19 * You should have received a copy of the GNU General Public License along
20 * with this program; if not, write to the Free Software Foundation, Inc.,
21 * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
22 *
23 * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
24 */
26 #ifndef __ACPI_BUS_H__
27 #define __ACPI_BUS_H__
29 #include <acpi/acpi.h>
31 #define PREFIX "ACPI: "
33 /* TBD: Make dynamic */
34 #define ACPI_MAX_HANDLES 10
35 struct acpi_handle_list {
36 u32 count;
37 acpi_handle handles[ACPI_MAX_HANDLES];
38 };
40 /* acpi_utils.h */
41 acpi_status
42 acpi_extract_package(union acpi_object *package,
43 struct acpi_buffer *format, struct acpi_buffer *buffer);
44 acpi_status
45 acpi_evaluate_integer(acpi_handle handle,
46 acpi_string pathname,
47 struct acpi_object_list *arguments, unsigned long *data);
48 acpi_status
49 acpi_evaluate_reference(acpi_handle handle,
50 acpi_string pathname,
51 struct acpi_object_list *arguments,
52 struct acpi_handle_list *list);
54 #if 0//def CONFIG_ACPI
56 #include <linux/proc_fs.h>
58 #define ACPI_BUS_FILE_ROOT "acpi"
59 extern struct proc_dir_entry *acpi_root_dir;
61 enum acpi_bus_removal_type {
62 ACPI_BUS_REMOVAL_NORMAL = 0,
63 ACPI_BUS_REMOVAL_EJECT,
64 ACPI_BUS_REMOVAL_SUPRISE,
65 ACPI_BUS_REMOVAL_TYPE_COUNT
66 };
68 enum acpi_bus_device_type {
69 ACPI_BUS_TYPE_DEVICE = 0,
70 ACPI_BUS_TYPE_POWER,
71 ACPI_BUS_TYPE_PROCESSOR,
72 ACPI_BUS_TYPE_THERMAL,
73 ACPI_BUS_TYPE_SYSTEM,
74 ACPI_BUS_TYPE_POWER_BUTTON,
75 ACPI_BUS_TYPE_SLEEP_BUTTON,
76 ACPI_BUS_DEVICE_TYPE_COUNT
77 };
79 struct acpi_driver;
80 struct acpi_device;
82 /*
83 * ACPI Driver
84 * -----------
85 */
87 typedef int (*acpi_op_add) (struct acpi_device * device);
88 typedef int (*acpi_op_remove) (struct acpi_device * device, int type);
89 typedef int (*acpi_op_lock) (struct acpi_device * device, int type);
90 typedef int (*acpi_op_start) (struct acpi_device * device);
91 typedef int (*acpi_op_stop) (struct acpi_device * device, int type);
92 typedef int (*acpi_op_suspend) (struct acpi_device * device,
93 pm_message_t state);
94 typedef int (*acpi_op_resume) (struct acpi_device * device);
95 typedef int (*acpi_op_scan) (struct acpi_device * device);
96 typedef int (*acpi_op_bind) (struct acpi_device * device);
97 typedef int (*acpi_op_unbind) (struct acpi_device * device);
98 typedef int (*acpi_op_shutdown) (struct acpi_device * device);
100 struct acpi_bus_ops {
101 u32 acpi_op_add:1;
102 u32 acpi_op_remove:1;
103 u32 acpi_op_lock:1;
104 u32 acpi_op_start:1;
105 u32 acpi_op_stop:1;
106 u32 acpi_op_suspend:1;
107 u32 acpi_op_resume:1;
108 u32 acpi_op_scan:1;
109 u32 acpi_op_bind:1;
110 u32 acpi_op_unbind:1;
111 u32 acpi_op_shutdown:1;
112 u32 reserved:21;
113 };
115 struct acpi_device_ops {
116 acpi_op_add add;
117 acpi_op_remove remove;
118 acpi_op_lock lock;
119 acpi_op_start start;
120 acpi_op_stop stop;
121 acpi_op_suspend suspend;
122 acpi_op_resume resume;
123 acpi_op_scan scan;
124 acpi_op_bind bind;
125 acpi_op_unbind unbind;
126 acpi_op_shutdown shutdown;
127 };
129 struct acpi_driver {
130 char name[80];
131 char class[80];
132 const struct acpi_device_id *ids; /* Supported Hardware IDs */
133 struct acpi_device_ops ops;
134 struct device_driver drv;
135 struct module *owner;
136 };
138 /*
139 * ACPI Device
140 * -----------
141 */
143 /* Status (_STA) */
145 struct acpi_device_status {
146 u32 present:1;
147 u32 enabled:1;
148 u32 show_in_ui:1;
149 u32 functional:1;
150 u32 battery_present:1;
151 u32 reserved:27;
152 };
154 /* Flags */
156 struct acpi_device_flags {
157 u32 dynamic_status:1;
158 u32 hardware_id:1;
159 u32 compatible_ids:1;
160 u32 bus_address:1;
161 u32 unique_id:1;
162 u32 removable:1;
163 u32 ejectable:1;
164 u32 lockable:1;
165 u32 suprise_removal_ok:1;
166 u32 power_manageable:1;
167 u32 performance_manageable:1;
168 u32 wake_capable:1; /* Wakeup(_PRW) supported? */
169 u32 force_power_state:1;
170 u32 reserved:19;
171 };
173 /* File System */
175 struct acpi_device_dir {
176 struct proc_dir_entry *entry;
177 };
179 #define acpi_device_dir(d) ((d)->dir.entry)
181 /* Plug and Play */
183 typedef char acpi_bus_id[5];
184 typedef unsigned long acpi_bus_address;
185 typedef char acpi_hardware_id[15];
186 typedef char acpi_unique_id[9];
187 typedef char acpi_device_name[40];
188 typedef char acpi_device_class[20];
190 struct acpi_device_pnp {
191 acpi_bus_id bus_id; /* Object name */
192 acpi_bus_address bus_address; /* _ADR */
193 acpi_hardware_id hardware_id; /* _HID */
194 struct acpi_compatible_id_list *cid_list; /* _CIDs */
195 acpi_unique_id unique_id; /* _UID */
196 acpi_device_name device_name; /* Driver-determined */
197 acpi_device_class device_class; /* " */
198 };
200 #define acpi_device_bid(d) ((d)->pnp.bus_id)
201 #define acpi_device_adr(d) ((d)->pnp.bus_address)
202 #define acpi_device_hid(d) ((d)->pnp.hardware_id)
203 #define acpi_device_uid(d) ((d)->pnp.unique_id)
204 #define acpi_device_name(d) ((d)->pnp.device_name)
205 #define acpi_device_class(d) ((d)->pnp.device_class)
207 /* Power Management */
209 struct acpi_device_power_flags {
210 u32 explicit_get:1; /* _PSC present? */
211 u32 power_resources:1; /* Power resources */
212 u32 inrush_current:1; /* Serialize Dx->D0 */
213 u32 power_removed:1; /* Optimize Dx->D0 */
214 u32 reserved:28;
215 };
217 struct acpi_device_power_state {
218 struct {
219 u8 valid:1;
220 u8 explicit_set:1; /* _PSx present? */
221 u8 reserved:6;
222 } flags;
223 int power; /* % Power (compared to D0) */
224 int latency; /* Dx->D0 time (microseconds) */
225 struct acpi_handle_list resources; /* Power resources referenced */
226 };
228 struct acpi_device_power {
229 int state; /* Current state */
230 struct acpi_device_power_flags flags;
231 struct acpi_device_power_state states[4]; /* Power states (D0-D3) */
232 };
234 /* Performance Management */
236 struct acpi_device_perf_flags {
237 u8 reserved:8;
238 };
240 struct acpi_device_perf_state {
241 struct {
242 u8 valid:1;
243 u8 reserved:7;
244 } flags;
245 u8 power; /* % Power (compared to P0) */
246 u8 performance; /* % Performance ( " ) */
247 int latency; /* Px->P0 time (microseconds) */
248 };
250 struct acpi_device_perf {
251 int state;
252 struct acpi_device_perf_flags flags;
253 int state_count;
254 struct acpi_device_perf_state *states;
255 };
257 /* Wakeup Management */
258 struct acpi_device_wakeup_flags {
259 u8 valid:1; /* Can successfully enable wakeup? */
260 u8 run_wake:1; /* Run-Wake GPE devices */
261 };
263 struct acpi_device_wakeup_state {
264 u8 enabled:1;
265 };
267 struct acpi_device_wakeup {
268 acpi_handle gpe_device;
269 acpi_integer gpe_number;
270 acpi_integer sleep_state;
271 struct acpi_handle_list resources;
272 struct acpi_device_wakeup_state state;
273 struct acpi_device_wakeup_flags flags;
274 };
276 /* Device */
278 struct acpi_device {
279 acpi_handle handle;
280 struct acpi_device *parent;
281 struct list_head children;
282 struct list_head node;
283 struct list_head wakeup_list;
284 struct list_head g_list;
285 struct acpi_device_status status;
286 struct acpi_device_flags flags;
287 struct acpi_device_pnp pnp;
288 struct acpi_device_power power;
289 struct acpi_device_wakeup wakeup;
290 struct acpi_device_perf performance;
291 struct acpi_device_dir dir;
292 struct acpi_device_ops ops;
293 struct acpi_driver *driver;
294 void *driver_data;
295 struct device dev;
296 struct acpi_bus_ops bus_ops; /* workaround for different code path for hotplug */
297 enum acpi_bus_removal_type removal_type; /* indicate for different removal type */
298 };
300 #define acpi_driver_data(d) ((d)->driver_data)
301 #define to_acpi_device(d) container_of(d, struct acpi_device, dev)
302 #define to_acpi_driver(d) container_of(d, struct acpi_driver, drv)
304 /* acpi_device.dev.bus == &acpi_bus_type */
305 extern struct bus_type acpi_bus_type;
307 /*
308 * Events
309 * ------
310 */
312 struct acpi_bus_event {
313 struct list_head node;
314 acpi_device_class device_class;
315 acpi_bus_id bus_id;
316 u32 type;
317 u32 data;
318 };
320 extern struct kobject *acpi_kobj;
321 extern int acpi_bus_generate_netlink_event(const char*, const char*, u8, int);
322 void acpi_bus_private_data_handler(acpi_handle, u32, void *);
323 int acpi_bus_get_private_data(acpi_handle, void **);
324 extern int acpi_notifier_call_chain(struct acpi_device *, u32, u32);
325 extern int register_acpi_notifier(struct notifier_block *);
326 extern int unregister_acpi_notifier(struct notifier_block *);
327 /*
328 * External Functions
329 */
331 int acpi_bus_get_device(acpi_handle handle, struct acpi_device **device);
332 void acpi_bus_data_handler(acpi_handle handle, u32 function, void *context);
333 int acpi_bus_get_status(struct acpi_device *device);
334 int acpi_bus_get_power(acpi_handle handle, int *state);
335 int acpi_bus_set_power(acpi_handle handle, int state);
336 #ifdef CONFIG_ACPI_PROC_EVENT
337 int acpi_bus_generate_proc_event(struct acpi_device *device, u8 type, int data);
338 int acpi_bus_generate_proc_event4(const char *class, const char *bid, u8 type, int data);
339 int acpi_bus_receive_event(struct acpi_bus_event *event);
340 #else
341 static inline int acpi_bus_generate_proc_event(struct acpi_device *device, u8 type, int data)
342 { return 0; }
343 #endif
344 int acpi_bus_register_driver(struct acpi_driver *driver);
345 void acpi_bus_unregister_driver(struct acpi_driver *driver);
346 int acpi_bus_add(struct acpi_device **child, struct acpi_device *parent,
347 acpi_handle handle, int type);
348 int acpi_bus_trim(struct acpi_device *start, int rmdevice);
349 int acpi_bus_start(struct acpi_device *device);
350 acpi_status acpi_bus_get_ejd(acpi_handle handle, acpi_handle * ejd);
351 int acpi_match_device_ids(struct acpi_device *device,
352 const struct acpi_device_id *ids);
353 int acpi_create_dir(struct acpi_device *);
354 void acpi_remove_dir(struct acpi_device *);
356 /*
357 * Bind physical devices with ACPI devices
358 */
359 #include <linux/device.h>
360 struct acpi_bus_type {
361 struct list_head list;
362 struct bus_type *bus;
363 /* For general devices under the bus */
364 int (*find_device) (struct device *, acpi_handle *);
365 /* For bridges, such as PCI root bridge, IDE controller */
366 int (*find_bridge) (struct device *, acpi_handle *);
367 };
368 int register_acpi_bus_type(struct acpi_bus_type *);
369 int unregister_acpi_bus_type(struct acpi_bus_type *);
370 struct device *acpi_get_physical_device(acpi_handle);
371 /* helper */
372 acpi_handle acpi_get_child(acpi_handle, acpi_integer);
373 acpi_handle acpi_get_pci_rootbridge_handle(unsigned int, unsigned int);
374 #define DEVICE_ACPI_HANDLE(dev) ((acpi_handle)((dev)->archdata.acpi_handle))
376 #ifdef CONFIG_PM_SLEEP
377 int acpi_pm_device_sleep_state(struct device *, int, int *);
378 #else /* !CONFIG_PM_SLEEP */
379 static inline int acpi_pm_device_sleep_state(struct device *d, int w, int *p)
380 {
381 if (p)
382 *p = ACPI_STATE_D0;
383 return ACPI_STATE_D3;
384 }
385 #endif /* !CONFIG_PM_SLEEP */
387 #endif /* CONFIG_ACPI */
389 #endif /*__ACPI_BUS_H__*/