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
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
|
$NetBSD: patch-cg,v 1.6 2002/03/04 14:45:14 itohy Exp $
--- interface/scsi_interface.c.orig Sat Mar 24 10:15:46 2001
+++ interface/scsi_interface.c Mon Mar 4 00:03:19 2002
@@ -23,6 +23,7 @@
int table,reserved;
char buffer[256];
+#ifdef __linux__
/* maximum transfer size? */
if(ioctl(d->cdda_fd,SG_GET_RESERVED_SIZE,&reserved)){
/* Up, guess not. */
@@ -31,6 +32,10 @@
}
if(ioctl(d->cdda_fd,SG_GET_SG_TABLESIZE,&table))table=1;
+#else
+ reserved = 32*1024; /* ? */
+ table = 1;
+#endif
{
int cur;
@@ -53,11 +58,13 @@
cdmessage(d,buffer);
}
+#ifdef __linux__
/* Disable command queue; we don't need it, no reason to have it on */
reserved=0;
if(ioctl(d->cdda_fd,SG_SET_COMMAND_Q,&reserved)){
cdmessage(d,"\tCouldn't disable command queue! Continuing anyway...\n");
}
+#endif
}
@@ -65,8 +72,14 @@
int arg;
d->enable_cdda(d,0);
+#ifdef __linux__
cdmessage(d,"sending SG SCSI reset... ");
if(ioctl(d->cdda_fd,SG_SCSI_RESET,&arg))
+#endif
+#ifdef __NetBSD__
+ cdmessage(d,"sending SCSI reset... ");
+ if(ioctl(d->cdda_fd,CDIOCRESET,&arg))
+#endif
cdmessage(d,"FAILED: EBUSY\n");
else
cdmessage(d,"OK\n");
@@ -74,6 +87,7 @@
d->enable_cdda(d,1);
}
+#ifdef __linux__
static void clear_garbage(cdrom_drive *d){
fd_set fdset;
struct timeval tv;
@@ -104,6 +118,7 @@
flag=1;
}
}
+#endif
/* process a complete scsi command. */
static int handle_scsi_cmd(cdrom_drive *d,
@@ -111,14 +126,21 @@
unsigned int in_size,
unsigned int out_size,
- unsigned char bytefill,
+ unsigned int bfill,
int bytecheck){
+ unsigned char bytefill = bfill;
int status = 0;
+#ifdef __linux__
struct sg_header *sg_hd=(struct sg_header *)d->sg;
long writebytes=SG_OFF+cmd_len+in_size;
+#endif
+#ifdef __NetBSD__
+ scsireq_t *sreq = (scsireq_t *)d->sg;
+#endif
/* generic scsi device services */
+#ifdef __linux__
/* clear out any possibly preexisting garbage */
clear_garbage(d);
@@ -224,11 +246,53 @@
if(errno==0)errno=EIO;
return(TR_EREAD);
}
+#endif /* __linux__ */
- if(sg_hd->sense_buffer[0]){
+#ifdef __NetBSD__
+ if (in_size && out_size) {
+ warnx("handle_scsi_cmd: in and out is not supported");
+ abort();
+ }
+ memset(sreq, 0, sizeof(scsireq_t));
+ sreq->cmdlen = cmd_len;
+ memcpy(sreq->cmd, d->sg_buffer, cmd_len);
+ if (in_size) {
+ sreq->flags = SCCMD_WRITE;
+ sreq->databuf = d->sg_buffer + cmd_len;
+ sreq->datalen = in_size;
+ }
+ if (out_size) {
+ sreq->flags = SCCMD_READ;
+ sreq->databuf = d->sg_buffer;
+ sreq->datalen = out_size;
+ if(bytecheck)
+ memset(d->sg_buffer, bytefill, out_size);
+ }
+ sreq->senselen = SENSEBUFLEN;
+ sreq->timeout = 60000; /* 60s */
+
+ status = ioctl(d->cdda_fd, SCIOCCOMMAND, (void *) sreq);
+ if (status < 0)
+ return(TR_ILLEGAL);
+#endif
+
+#ifdef __linux__
+ if(sg_hd->sense_buffer[0])
+#endif
+#ifdef __NetBSD__
+ if (sreq->sense[0])
+#endif
+ {
+#ifdef __linux__
char key=sg_hd->sense_buffer[2]&0xf;
char ASC=sg_hd->sense_buffer[12];
char ASCQ=sg_hd->sense_buffer[13];
+#endif
+#ifdef __NetBSD__
+ char key = sreq->sense[2]&0xf;
+ char ASC = sreq->sense[12];
+ char ASCQ = sreq->sense[13];
+#endif
switch(key){
case 0:
if(errno==0)errno=EIO;
@@ -266,9 +330,20 @@
commands still get through. Perhaps no data comes back even
though the target reports success? */
- if(bytecheck && in_size+cmd_len<out_size){
+#ifdef __linux__
+ if(bytecheck && in_size+cmd_len<out_size)
+#endif
+#ifdef __NetBSD__
+ if(bytecheck && out_size)
+#endif
+ {
long i,flag=0;
+#ifdef __linux__
for(i=in_size;i<out_size;i++)
+#endif
+#ifdef __NetBSD__
+ for(i=0;i<out_size;i++)
+#endif
if(d->sg_buffer[i]!=bytefill){
flag=1;
break;
@@ -600,6 +675,23 @@
return(tracks);
}
+/* Set operating speed */
+static int scsi_setspeed(cdrom_drive *d, int speed)
+{
+ if (speed == 0)
+ speed = 0xffff; /* maximum speed */
+ else if (speed < 176)
+ speed *= 176;
+
+ memset(d->sg_buffer, 0, 12);
+ d->sg_buffer[0] = 0xbb; /* set speed */
+ d->sg_buffer[2] = speed >> 8;
+ d->sg_buffer[3] = speed;
+ d->sg_buffer[4] = -1;
+ d->sg_buffer[5] = -1;
+ return handle_scsi_cmd(d, 12, 0, 0, 0, 0);
+}
+
/* These do one 'extra' copy in the name of clean code */
static int i_read_28 (cdrom_drive *d, void *p, long begin, long sectors){
@@ -833,16 +925,29 @@
while(1) {
if((err=map(d,(p?buffer:NULL),begin,sectors))){
if(d->report_all){
+#ifdef __linux__
struct sg_header *sg_hd=(struct sg_header *)d->sg;
+#endif
+#ifdef __NetBSD__
+ scsireq_t *sreq=(scsireq_t *)d->sg;
+#endif
char b[256];
sprintf(b,"scsi_read error: sector=%ld length=%ld retry=%d\n",
begin,sectors,retry_count);
cdmessage(d,b);
sprintf(b," Sense key: %x ASC: %x ASCQ: %x\n",
+#ifdef __linux__
(int)(sg_hd->sense_buffer[2]&0xf),
(int)(sg_hd->sense_buffer[12]),
- (int)(sg_hd->sense_buffer[13]));
+ (int)(sg_hd->sense_buffer[13])
+#endif
+#ifdef __NetBSD__
+ (int)(sreq->sense[2]&0xf),
+ (int)(sreq->sense[12]),
+ (int)(sreq->sense[13])
+#endif
+ );
cdmessage(d,b);
sprintf(b," Transport error: %s\n",strerror_tr[err]);
cdmessage(d,b);
@@ -852,9 +957,17 @@
fprintf(stderr,"scsi_read error: sector=%ld length=%ld retry=%d\n",
begin,sectors,retry_count);
fprintf(stderr," Sense key: %x ASC: %x ASCQ: %x\n",
+#ifdef __linux__
(int)(sg_hd->sense_buffer[2]&0xf),
(int)(sg_hd->sense_buffer[12]),
- (int)(sg_hd->sense_buffer[13]));
+ (int)(sg_hd->sense_buffer[13])
+#endif
+#ifdef __NetBSD__
+ (int)(sreq->sense[2]&0xf),
+ (int)(sreq->sense[12]),
+ (int)(sreq->sense[13])
+#endif
+ );
fprintf(stderr," Transport error: %s\n",strerror_tr[err]);
fprintf(stderr," System error: %s\n",strerror(errno));
}
@@ -1308,21 +1421,43 @@
}
static int check_atapi(cdrom_drive *d){
+#ifdef __linux__
int atapiret=-1;
+#endif
+#ifdef __NetBSD__
+ struct scsi_addr scaddr;
+#endif
int fd = d->cdda_fd; /* this is the correct fd (not ioctl_fd), as the
generic device is the device we need to check */
cdmessage(d,"\nChecking for SCSI emulation...\n");
- if (ioctl(fd,SG_EMULATED_HOST,&atapiret)){
+#ifdef __linux__
+ if (ioctl(fd,SG_EMULATED_HOST,&atapiret))
+#endif
+#ifdef __NetBSD__
+ if(ioctl(fd,SCIOCIDENTIFY,&scaddr))
+#endif
+ {
cderror(d,"\tSG_EMULATED_HOST ioctl() failed!\n");
return(-1);
} else {
- if(atapiret==1){
+#ifdef __linux__
+ if(atapiret==1)
+#endif
+#ifdef __NetBSD__
+ if(scaddr.type == TYPE_ATAPI)
+#endif
+ {
+#ifdef __linux__
cdmessage(d,"\tDrive is ATAPI (using SCSI host adaptor emulation)\n");
/* Disable kernel SCSI command translation layer for access through sg */
if (ioctl(fd,SG_SET_TRANSFORM,0))
cderror(d,"\tCouldn't disable kernel command translation layer\n");
+#endif
+#ifdef __NetBSD__
+ cdmessage(d,"\tDrive is ATAPI\n");
+#endif
d->is_atapi=1;
}else{
cdmessage(d,"\tDrive is SCSI\n");
@@ -1434,7 +1569,7 @@
d->read_toc = (!memcmp(d->drive_model, "IMS", 3) && !d->is_atapi) ? scsi_read_toc2 :
scsi_read_toc;
- d->set_speed = NULL;
+ d->set_speed = scsi_setspeed;
if(!d->is_atapi){
|
