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$NetBSD: patch-ai,v 1.2 2001/08/07 11:23:57 drochner Exp $
I know this patch is an ugly hack. But at least it makes "cdrecord -scanbus"
more usefull, which in turn makes xcdroast work. Feel free to implement
this cleanly however...
Thorsten Frueauf <frueauf@netbsd.org>, 2001.02.10
--- libscg/scsi-bsd.c.orig Sun Mar 18 15:10:21 2001
+++ libscg/scsi-bsd.c Mon Aug 6 14:55:09 2001
@@ -48,7 +48,7 @@
* Choose your name instead of "schily" and make clear that the version
* string is related to a modified source.
*/
-LOCAL char _scg_trans_version[] = "scsi-bsd.c-1.40"; /* The version for this transport*/
+LOCAL char _scg_trans_version[] = "scsi-bsd.c-1.40nb1"; /* The version for this transport*/
#define MAX_SCG 16 /* Max # of SCSI controllers */
#define MAX_TGT 16
@@ -108,7 +108,7 @@
* return "schily" for the SCG_AUTHOR request.
*/
case SCG_AUTHOR:
- return (_scg_auth_schily);
+ return ("frueauf");
case SCG_SCCS_ID:
return (__sccsid);
}
@@ -130,6 +130,15 @@
register int l;
register int nopen = 0;
char devname[64];
+#if defined(__NetBSD__)
+ struct scsi_addr mysaddr;
+#if defined(__i386__)
+ char slicename[] = "d"; /* i386 is special */
+#else
+ char slicename[] = "c"; /* this is what the rest uses */
+#endif
+ char *myslicename = slicename;
+#endif
if (busno >= MAX_SCG || tgt >= MAX_TGT || tlun >= MAX_LUN) {
errno = EINVAL;
@@ -156,6 +165,60 @@
if ((device != NULL && *device != '\0') || (busno == -2 && tgt == -2))
goto openbydev;
+
+/*
+ * I know of no method in NetBSD to probe the scsibus and get the mapping
+ * busnumber,target,lun --> devicename.
+ *
+ * Because of this implement a true bruteforce hack to find
+ * out what cdroms there are.
+ *
+ * Note that this method only finds cd0-cd7. Anything higher
+ * than this needs additional tweaks.
+ *
+ * Feel free to implement this cleanly if you have better knowledge.
+ * Until then this helps to get -scanbus und thus xcdroast working :-)
+ *
+ */
+#if defined(__NetBSD__)
+ if (busno >= 0 && tgt >= 0 && tlun >= 0) {
+ for (l=0; l < MAX_LUN ; l++) {
+ sprintf(devname, "/dev/rcd%d%s", l, myslicename);
+ f = open(devname, O_RDWR);
+ if (f >= 0) {
+ if (ioctl(f, SCIOCIDENTIFY, &mysaddr) < 0) {
+ close(f);
+ errno = EINVAL;
+ return (0);
+ }
+ if (busno == SADDR_BUS(mysaddr) && tgt == SADDR_TARGET(mysaddr) && tlun == SADDR_LUN(mysaddr)) {
+ scglocal(scgp)->scgfiles[busno][tgt][tlun] = f;
+ return(1);
+ }
+ } else goto openbydev;
+ }
+ } else for (l=0; l < MAX_LUN ; l++) {
+ sprintf(devname, "/dev/rcd%d%s", l, myslicename);
+ f = open(devname, O_RDWR);
+ if (f >= 0) {
+ if (ioctl(f, SCIOCIDENTIFY, &mysaddr) < 0) {
+ close(f);
+ errno = EINVAL;
+ return (0);
+ }
+ scg_scsibus(scgp) = busno = SADDR_BUS(mysaddr);
+ scg_target(scgp) = tgt = SADDR_TARGET(mysaddr);
+ if ((tlun >= 0) && (tlun != SADDR_LUN(mysaddr))) {
+ close(f);
+ errno = EINVAL;
+ return (0);
+ }
+ scg_lun(scgp) = tlun = SADDR_LUN(mysaddr);
+ if (scg_setup(scgp, f, busno, tgt, tlun))
+ nopen++;
+ }
+ }
+#else /* not __NetBSD__ */
if (busno >= 0 && tgt >= 0 && tlun >= 0) {
js_snprintf(devname, sizeof(devname),
@@ -192,6 +255,7 @@
}
}
}
+#endif /* end of not __NetBSD__ */
/*
* Could not open /dev/su-* or got dev=devname:b,l,l / dev=devname:@,l
* We do the apropriate tests and try our best.
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