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
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
|
/*
* Copyright (c) 1995 Andrew McRae. 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.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 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.
*/
#ifndef lint
static const char rcsid[] =
"$FreeBSD$";
#endif /* not lint */
#include <signal.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <fcntl.h>
#include <unistd.h>
#include <sys/socket.h>
#include <sys/un.h>
#include <sys/stat.h>
#define EXTERN
#include "cardd.h"
char *config_file = "/etc/defaults/pccard.conf";
static char *pid_file = "/var/run/pccardd.pid";
/*
* pathname of UNIX-domain socket
*/
static char *socket_name = "/var/tmp/.pccardd";
static char *sock = 0;
static int server_sock;
/* SIGHUP signal handler */
static void
restart(void)
{
bitstr_t bit_decl(io_inuse, IOPORTS);
bitstr_t bit_decl(mem_inuse, MEMBLKS);
int irq_inuse[16];
int i;
struct sockaddr_un sun;
bit_nclear(io_inuse, 0, IOPORTS-1);
bit_nclear(mem_inuse, 0, MEMBLKS-1);
bzero(irq_inuse, sizeof(irq_inuse));
/* compare the initial and current state of resource pool */
for (i = 0; i < IOPORTS; i++) {
if (bit_test(io_init, i) == 1 && bit_test(io_avail, i) == 0) {
if (debug_level >= 1) {
logmsg("io 0x%x seems to be in use\n", i);
}
bit_set(io_inuse, i);
}
}
for (i = 0; i < MEMBLKS; i++) {
if (bit_test(mem_init, i) == 1 && bit_test(mem_avail, i) == 0) {
if (debug_level >= 1) {
logmsg("mem 0x%x seems to be in use\n", i);
}
bit_set(mem_inuse, i);
}
}
for (i = 0; i < 16; i++) {
if (irq_init[i] == 1 && pool_irq[i] == 0) {
if (debug_level >= 1) {
logmsg("irq %d seems to be in use\n", i);
}
irq_inuse[i] = 1;
}
}
readfile(config_file);
/* reflect used resources to managed resource pool */
for (i = 0; i < IOPORTS; i++) {
if (bit_test(io_inuse, i) == 1) {
bit_clear(io_avail, i);
}
}
for (i = 0; i < MEMBLKS; i++) {
if (bit_test(mem_inuse, i) == 1) {
bit_clear(mem_avail, i);
}
}
for (i = 0; i < 16; i++) {
if (irq_inuse[i] == 1) {
pool_irq[i] = 0;
}
}
close(server_sock);
if ((server_sock = socket(PF_LOCAL, SOCK_DGRAM, 0)) < 0)
die("socket failed");
bzero(&sun, sizeof(sun));
sun.sun_family = AF_UNIX;
if (sock) {
socket_name = sock;
}
strcpy(sun.sun_path, socket_name);
slen = SUN_LEN(&sun);
(void)unlink(socket_name);
if (bind(server_sock, (struct sockaddr *) & sun, slen) < 0)
die("bind failed");
chown(socket_name, 0, 5); /* XXX - root.operator */
chmod(socket_name, 0660);
set_socket(server_sock);
}
/* SIGTERM/SIGINT signal handler */
static void
term(int sig)
{
logmsg("pccardd terminated: signal %d received", sig);
(void)unlink(pid_file);
exit(0);
}
static void
write_pid()
{
FILE *fp = fopen(pid_file, "w");
if (fp) {
fprintf(fp, "%d\n", getpid());
fclose(fp);
}
}
int doverbose = 0;
/*
* mainline code for cardd
*/
int
main(int argc, char *argv[])
{
struct slot *sp;
int count, dodebug = 0;
int delay = 0;
int irq_arg[16];
int irq_specified = 0;
int i;
struct sockaddr_un sun;
#define COM_OPTS ":dvf:s:i:z"
bzero(irq_arg, sizeof(irq_arg));
debug_level = 0;
pccard_init_sleep = 5000000;
cards = last_card = 0;
while ((count = getopt(argc, argv, COM_OPTS)) != -1) {
switch (count) {
case 'd':
setbuf(stdout, 0);
setbuf(stderr, 0);
dodebug = 1;
break;
case 'v':
doverbose = 1;
break;
case 'f':
config_file = optarg;
break;
case 'i':
/* configure available irq */
if (sscanf(optarg, "%d", &i) != 1) {
fprintf(stderr, "%s: -i number\n", argv[0]);
exit(1);
}
irq_arg[i] = 1;
irq_specified = 1;
break;
case 's':
sock = optarg;
break;
case 'z':
delay = 1;
break;
case ':':
die("no config file argument");
break;
case '?':
die("illegal option");
break;
}
}
#ifdef DEBUG
dodebug = 1;
#endif
io_avail = bit_alloc(IOPORTS); /* Only supports ISA ports */
io_init = bit_alloc(IOPORTS);
/* Mem allocation done in MEMUNIT units. */
mem_avail = bit_alloc(MEMBLKS);
mem_init = bit_alloc(MEMBLKS);
readfile(config_file);
if (irq_specified) {
bcopy(irq_arg, pool_irq, sizeof(irq_arg));
bcopy(irq_arg, irq_init, sizeof(irq_arg));
}
if (doverbose)
dump_config_file();
log_setup();
if (!dodebug && !delay)
if (daemon(0, 0))
die("fork failed");
slots = readslots();
if (slots == 0)
die("no PC-CARD slots");
if (delay)
if (daemon(0, 0))
die("fork failed");
logmsg("pccardd started", NULL);
write_pid();
if ((server_sock = socket(PF_LOCAL, SOCK_DGRAM, 0)) < 0)
die("socket failed");
bzero(&sun, sizeof(sun));
sun.sun_family = AF_UNIX;
if (sock) {
socket_name = sock;
}
strcpy(sun.sun_path, socket_name);
slen = SUN_LEN(&sun);
(void)unlink(socket_name);
if (bind(server_sock, (struct sockaddr *) & sun, slen) < 0)
die("bind failed");
chown(socket_name, 0, 5); /* XXX - root.operator */
chmod(socket_name, 0660);
set_socket(server_sock);
(void)signal(SIGINT, dodebug ? term : SIG_IGN);
(void)signal(SIGTERM, term);
(void)signal(SIGHUP, (void (*)(int))restart);
for (;;) {
fd_set rmask, emask;
FD_ZERO(&emask);
FD_ZERO(&rmask);
for (sp = slots; sp; sp = sp->next)
FD_SET(sp->fd, &emask);
FD_SET(server_sock, &rmask);
count = select(32, &rmask, 0, &emask, 0);
if (count == -1) {
logerr("select");
continue;
}
if (count) {
for (sp = slots; sp; sp = sp->next)
if (FD_ISSET(sp->fd, &emask))
slot_change(sp);
if (FD_ISSET(server_sock, &rmask))
process_client();
}
}
}
|