1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
|
/*-
* Copyright (c) 2000 Michael Smith
* Copyright (c) 2000 BSDi
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $FreeBSD$
*/
/*
* OSD interfaces for the BusMgr module
*/
#include "acpi.h"
#include "bmosd.h"
#include <sys/eventhandler.h>
#include <sys/reboot.h>
#define _COMPONENT OS_DEPENDENT
MODULE_NAME("BUSMGR")
struct osd_eventhandle {
eventhandler_tag tag;
OSD_IDLE_HANDLER Function;
void *Context;
};
#define NUM_IDLEHANDLERS 10
struct osd_eventhandle idlehandlers[NUM_IDLEHANDLERS] = {{0, 0}};
#define NUM_SHUTDOWNHANDLERS 20
struct osd_eventhandle shutdownhandlers[NUM_SHUTDOWNHANDLERS] = {{0, 0}};
static void
osd_idlehandler(void *arg, int junk)
{
struct osd_eventhandle *oh = (struct osd_eventhandle *)arg;
FUNCTION_TRACE(__FUNCTION__);
oh->Function(oh->Context);
return_VOID();
}
static void
osd_shutdownhandler(void *arg, int howto)
{
struct osd_eventhandle *oh = (struct osd_eventhandle *)arg;
FUNCTION_TRACE(__FUNCTION__);
oh->Function(oh->Context);
return_VOID();
}
ACPI_STATUS
AcpiOsInstallIdleHandler(OSD_IDLE_HANDLER Function, void *Context)
{
int i;
FUNCTION_TRACE(__FUNCTION__);
if (Function == NULL)
return_ACPI_STATUS(AE_BAD_PARAMETER);
for (i = 0; i < NUM_IDLEHANDLERS; i++) {
if (idlehandlers[i].Function == NULL) {
idlehandlers[i].Function = Function;
idlehandlers[i].Context = Context;
idlehandlers[i].tag = EVENTHANDLER_FAST_REGISTER(idle_event, osd_idlehandler,
&idlehandlers[i], IDLE_PRI_FIRST);
return_ACPI_STATUS(AE_OK);
}
}
return_ACPI_STATUS(AE_NO_MEMORY);
}
ACPI_STATUS
AcpiOsRemoveIdleHandler(OSD_IDLE_HANDLER Function)
{
int i;
FUNCTION_TRACE(__FUNCTION__);
if (Function == NULL)
return_ACPI_STATUS(AE_BAD_PARAMETER);
for (i = 0; i < NUM_IDLEHANDLERS; i++) {
if (idlehandlers[i].Function == Function) {
EVENTHANDLER_FAST_DEREGISTER(idle_event, idlehandlers[i].tag);
idlehandlers[i].Function = NULL;
return_ACPI_STATUS(AE_OK);
}
}
return_ACPI_STATUS(AE_NOT_EXIST);
}
/*
* It's not clear where exactly in the shutdown order these should be
* queued.
*/
ACPI_STATUS
AcpiOsInstallShutdownHandler(OSD_SHUTDOWN_HANDLER Function, void *Context)
{
int i;
FUNCTION_TRACE(__FUNCTION__);
if (Function == NULL)
return_ACPI_STATUS(AE_BAD_PARAMETER);
for (i = 0; i < NUM_SHUTDOWNHANDLERS; i++) {
if (shutdownhandlers[i].Function == NULL) {
shutdownhandlers[i].Function = Function;
shutdownhandlers[i].Context = Context;
shutdownhandlers[i].tag = EVENTHANDLER_REGISTER(shutdown_final, osd_shutdownhandler,
&shutdownhandlers[i], SHUTDOWN_PRI_LAST);
return_ACPI_STATUS(AE_OK);
}
}
return_ACPI_STATUS(AE_NO_MEMORY);
}
ACPI_STATUS
AcpiOsRemoveShutdownHandler(OSD_SHUTDOWN_HANDLER Function)
{
int i;
FUNCTION_TRACE(__FUNCTION__);
if (Function == NULL)
return_ACPI_STATUS(AE_BAD_PARAMETER);
for (i = 0; i < NUM_SHUTDOWNHANDLERS; i++) {
if (shutdownhandlers[i].Function == Function) {
EVENTHANDLER_DEREGISTER(shutdown_final, shutdownhandlers[i].tag);
shutdownhandlers[i].Function = NULL;
return_ACPI_STATUS(AE_OK);
}
}
return_ACPI_STATUS(AE_NOT_EXIST);
}
ACPI_STATUS
AcpiOsShutdown (void)
{
FUNCTION_TRACE(__FUNCTION__);
shutdown_nice(0);
return_VOID();
}
|
