int
SRopen(ScsiReq *rp, char *unit)
{
if(SRopenraw(rp, unit) == -1)
return -1;
SRready(rp);
if(SRinquiry(rp) >= 0){
switch(rp->inquiry[0]){
default:
fprint(2, "unknown device type 0x%.2x\n", rp->inquiry[0]);
rp->status = Status_SW;
break;
case Devdir:
case Devcd:
case Devmo:
if(dirdevopen(rp) == -1)
break;
return 0;
case Devseq:
rp->flags |= Fseqdev;
if(seqdevopen(rp) == -1)
break;
return 0;
case Devprint:
rp->flags |= Fprintdev;
return 0;
case Devworm:
rp->flags |= Fwormdev;
if(wormdevopen(rp) == -1)
break;
return 0;
case Devjuke:
rp->flags |= Fchanger;
return 0;
}
}
SRclose(rp);
return -1;
}
static long
cmdmodeselect10(ScsiReq *rp, int argc, char *argv[])
{
uchar list[MaxDirData];
long nbytes, ul;
char *p;
memset(list, 0, sizeof list);
for(nbytes = 0; argc; argc--, argv++, nbytes++){
if((ul = strtoul(argv[0], &p, 0)) == 0 && p == argv[0]){
rp->status = Status_BADARG;
return -1;
}
list[nbytes] = ul;
}
if(!(rp->flags & Finqok) && SRinquiry(rp) == -1)
Bprint(&bout, "warning: couldn't determine whether SCSI-1/SCSI-2 mode");
return SRmodeselect10(rp, list, nbytes);
}
static long
cmdinquiry(ScsiReq *rp, int argc, char *argv[])
{
long status;
int i, n;
uchar *p;
USED(argc, argv);
if((status = SRinquiry(rp)) != -1){
n = rp->inquiry[4]+4;
for(i = 0; i < MIN(8, n); i++)
Bprint(&bout, " %2.2uX", rp->inquiry[i]);
p = &rp->inquiry[8];
n = MIN(n, sizeof(rp->inquiry)-8);
while(n && (*p == ' ' || *p == '\t' || *p == '\n')){
n--;
p++;
}
Bprint(&bout, "\t%.*s\n", n, (char*)p);
}
return status;
}
