int
netopen(struct open_file *f, ...)
{
char *path;
long fd;
int rc;
va_list ap;
va_start(ap, f);
path = va_arg(ap, char *);
va_end(ap);
/* to match netfs.c filename buffers... */
if (strlen(path) > 128 - 1)
return ENAMETOOLONG;
rc = Bios_Open(path, 0, &fd);
if (rc != 0) {
switch (rc) {
case arc_EACCES:
return EACCES;
case arc_EISDIR:
return EISDIR;
case arc_ENOENT:
return ENOENT;
default:
return ENXIO;
}
}
f->f_devdata = (void *)fd;
return 0;
}
int
dioopen(struct open_file *f, ...)
{
char *ctlr;
int partition;
struct dio_softc *sc;
struct disklabel *lp;
int i, fd;
char *msg = NULL;
char buf[DEV_BSIZE];
int cnt;
daddr_t labelsector;
va_list ap;
va_start(ap, f);
ctlr = va_arg(ap, char *);
partition = va_arg(ap, int);
if (partition >= MAXPARTITIONS)
return (ENXIO);
if (Bios_Open(ctlr, 0, &fd) < 0)
return (ENXIO);
sc = alloc(sizeof(struct dio_softc));
bzero(sc, sizeof(struct dio_softc));
f->f_devdata = (void *)sc;
sc->sc_fd = fd;
sc->sc_part = partition;
lp = &sc->sc_label;
lp->d_secsize = DEV_BSIZE;
lp->d_secpercyl = 1;
lp->d_npartitions = MAXPARTITIONS;
lp->d_partitions[partition].p_offset = 0;
lp->d_partitions[0].p_size = 0x7fff0000;
labelsector = LABELSECTOR;
#if 0
/* try to read disk label and partition table information */
i = diostrategy(sc, F_READ, (daddr_t)labelsector, DEV_BSIZE, buf, &cnt);
if (i == 0 && cnt == DEV_BSIZE)
msg = getdisklabel(buf, lp);
else
msg = "rd err";
if (msg) {
printf("%s: %s\n", ctlr, msg);
return ENXIO;
}
#endif
return 0;
}
