int
tape_open(struct open_file *f, ...)
{
struct bootparam *bp;
struct saioreq *si;
int error, part;
char *fname; /* partition number, i.e. "1" */
va_list ap;
va_start(ap, f);
fname = va_arg(ap, char *);
#ifdef DEBUG
printf("tape_open: part=%s\n", fname);
#endif
va_end(ap);
/*
* Set the tape segment number to the one indicated
* by the single digit fname passed in above.
*/
if ((fname[0] < '0') && (fname[0] > '9')) {
return ENOENT;
}
part = fname[0] - '0';
/*
* Setup our part of the saioreq.
* (determines what gets opened)
*/
si = &tape_ioreq;
memset(si, 0, sizeof(*si));
bp = *romVectorPtr->bootParam;
si->si_boottab = bp->bootDevice;
si->si_ctlr = bp->ctlrNum;
si->si_unit = bp->unitNum;
si->si_boff = part; /* default = bp->partNum + 1; */
error = prom_iopen(si);
#ifdef DEBUG
printf("tape_open: prom_iopen returned 0x%x\n", error);
#endif
if (!error)
f->f_devdata = si;
return (error);
}
int
disk_open(struct open_file *f, ...)
{
struct bootparam *bp;
struct saioreq *si;
int error;
#ifdef DEBUG_PROM
char *devname; /* Device part of file name (or NULL). */
va_list ap;
va_start(ap, f);
devname = va_arg(ap, char *);
if (debug)
printf("disk_open: %s\n", devname);
va_end(ap);
#endif
si = &disk_ioreq;
if (disk_opencount == 0) {
/*
* Setup our part of the saioreq.
* (determines what gets opened)
*/
bp = *romVectorPtr->bootParam;
si->si_boottab = bp->bootDevice;
si->si_ctlr = bp->ctlrNum;
si->si_unit = bp->unitNum;
si->si_boff = bp->partNum;
if ((error = prom_iopen(si)) != 0)
return (error);
}
disk_opencount++;
f->f_devdata = si;
return 0;
}
/*
* Open the PROM device.
* Return netif ptr on success.
*/
struct devdata *
netif_init(void *aux)
{
struct devdata *dd = &netif_devdata;
struct saioreq *si;
struct bootparam *bp;
int error;
/*
* Setup our part of the saioreq.
* (determines what gets opened)
*/
si = &dd->dd_si;
memset(si, 0, sizeof(*si));
bp = *romVectorPtr->bootParam;
si->si_boottab = bp->bootDevice;
si->si_ctlr = bp->ctlrNum;
si->si_unit = bp->unitNum;
si->si_boff = bp->partNum;
#ifdef NETIF_DEBUG
if (debug)
printf("netif_init: calling prom_iopen\n");
#endif
/*
* Note: Sun PROMs will do RARP on open, but does not tell
* you the IP address it gets, so it is just noise to us...
*/
if ((error = prom_iopen(si)) != 0) {
printf("netif_init: prom_iopen, error=%d\n", error);
return (NULL);
}
if (si->si_sif == NULL) {
printf("netif_init: not a network device\n");
prom_iclose(si);
return (NULL);
}
/* Allocate the transmit/receive buffers. */
if (dd->rbuf == NULL) {
dd->rbuf_len = PKT_BUF_SIZE;
dd->rbuf = dvma_alloc(dd->rbuf_len);
}
if (dd->tbuf == NULL) {
dd->tbuf_len = PKT_BUF_SIZE;
dd->tbuf = dvma_alloc(dd->tbuf_len);
}
if ((dd->rbuf == NULL) ||
(dd->tbuf == NULL))
panic("netif_init: malloc failed");
#ifdef NETIF_DEBUG
if (debug)
printf("netif_init: rbuf=0x%x, tbuf=0x%x\n",
dd->rbuf, dd->tbuf);
#endif
/* Record our ethernet address. */
netif_getether(si->si_sif, dd->dd_myea);
dd->dd_opens = 0;
return(dd);
}
