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$NetBSD: patch-ai,v 1.5 2007/09/18 23:07:26 wiz Exp $
--- libscg/scsi-bsd.c.orig 2007-03-25 20:18:56.000000000 +0000
+++ libscg/scsi-bsd.c
@@ -44,6 +44,7 @@ static char __sccsid[] =
#undef sense
#include <sys/scsiio.h>
+#include <util.h>
/*
* Warning: you may change this source, but if you do that
@@ -52,7 +53,7 @@ static char __sccsid[] =
* 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-1.44"; /* The version for this transport*/
+LOCAL char _scg_trans_version[] = "scsi-bsd.c-1.44nb1"; /* The version for this transport */
#define MAX_SCG 16 /* Max # of SCSI controllers */
#define MAX_TGT 16
@@ -112,7 +113,7 @@ scgo_version(scgp, what)
* return "schily" for the SCG_AUTHOR request.
*/
case SCG_AUTHOR:
- return (_scg_auth_schily);
+ return ("frueauf");
case SCG_SCCS_ID:
return (__sccsid);
}
@@ -144,6 +145,10 @@ scgo_open(scgp, device)
register int l;
register int nopen = 0;
char devname[64];
+#if defined(__NetBSD__)
+ struct scsi_addr mysaddr;
+ int myslicename = getrawpartition();
+#endif
if (busno >= MAX_SCG || tgt >= MAX_TGT || tlun >= MAX_LUN) {
errno = EINVAL;
@@ -170,6 +175,60 @@ scgo_open(scgp, device)
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%c", l, 'a' + 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 for (l=0; l < MAX_LUN ; l++) {
+ sprintf(devname, "/dev/rcd%d%c", l, 'a' + 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),
@@ -206,6 +265,7 @@ scgo_open(scgp, device)
}
}
}
+#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.
|
