static int
ukopen(dev_t dev, int flag, int fmt, struct lwp *l)
{
int unit, error;
struct uk_softc *uk;
struct scsipi_periph *periph;
struct scsipi_adapter *adapt;
unit = minor(dev);
uk = device_lookup_private(&uk_cd, unit);
if (uk == NULL)
return ENXIO;
periph = uk->sc_periph;
adapt = periph->periph_channel->chan_adapter;
SC_DEBUG(periph, SCSIPI_DB1,
("ukopen: dev=0x%"PRIx64" (unit %d (of %d))\n", dev, unit,
uk_cd.cd_ndevs));
/* Only allow one at a time */
if (periph->periph_flags & PERIPH_OPEN) {
aprint_error_dev(uk->sc_dev, "already open\n");
return EBUSY;
}
if ((error = scsipi_adapter_addref(adapt)) != 0)
return error;
periph->periph_flags |= PERIPH_OPEN;
SC_DEBUG(periph, SCSIPI_DB3, ("open complete\n"));
return 0;
}
static int
chopen(dev_t dev, int flags, int fmt, struct lwp *l)
{
struct ch_softc *sc;
struct scsipi_periph *periph;
struct scsipi_adapter *adapt;
int unit, error;
unit = CHUNIT(dev);
sc = device_lookup_private(&ch_cd, unit);
if (sc == NULL)
return (ENXIO);
periph = sc->sc_periph;
adapt = periph->periph_channel->chan_adapter;
/*
* Only allow one open at a time.
*/
if (periph->periph_flags & PERIPH_OPEN)
return (EBUSY);
if ((error = scsipi_adapter_addref(adapt)) != 0)
return (error);
/*
* Make sure the unit is on-line. If a UNIT ATTENTION
* occurs, we will mark that an Init-Element-Status is
* needed in ch_get_params().
*
* We ignore NOT READY in case e.g a magazine isn't actually
* loaded into the changer or a tape isn't in the drive.
*/
error = scsipi_test_unit_ready(periph, XS_CTL_IGNORE_NOT_READY);
if (error)
goto bad;
periph->periph_flags |= PERIPH_OPEN;
/*
* Make sure our parameters are up to date.
*/
if ((error = ch_get_params(sc, 0)) != 0)
goto bad;
return (0);
bad:
scsipi_adapter_delref(adapt);
periph->periph_flags &= ~PERIPH_OPEN;
return (error);
}
/* open the device. */
static int
ssopen(dev_t dev, int flag, int mode, struct lwp *l)
{
int unit;
u_int ssmode;
int error;
struct ss_softc *ss;
struct scsipi_periph *periph;
struct scsipi_adapter *adapt;
unit = SSUNIT(dev);
ss = device_lookup_private(&ss_cd, unit);
if (ss == NULL)
return ENXIO;
if (!device_is_active(ss->sc_dev))
return ENODEV;
ssmode = SSMODE(dev);
periph = ss->sc_periph;
adapt = periph->periph_channel->chan_adapter;
SC_DEBUG(periph, SCSIPI_DB1,
("open: dev=0x%"PRIx64" (unit %d (of %d))\n", dev, unit,
ss_cd.cd_ndevs));
if (periph->periph_flags & PERIPH_OPEN) {
aprint_error_dev(ss->sc_dev, "already open\n");
return EBUSY;
}
if ((error = scsipi_adapter_addref(adapt)) != 0)
return error;
/*
* Catch any unit attention errors.
*
* XS_CTL_IGNORE_MEDIA_CHANGE: when you have an ADF, some scanners
* consider paper to be a changeable media
*
*/
error = scsipi_test_unit_ready(periph,
XS_CTL_IGNORE_MEDIA_CHANGE | XS_CTL_IGNORE_ILLEGAL_REQUEST |
(ssmode == MODE_CONTROL ? XS_CTL_IGNORE_NOT_READY : 0));
if (error)
goto bad;
periph->periph_flags |= PERIPH_OPEN; /* unit attn now errors */
/*
* If the mode is 3 (e.g. minor = 3,7,11,15)
* then the device has been opened to set defaults
* This mode does NOT ALLOW I/O, only ioctls
*/
if (ssmode == MODE_CONTROL)
return 0;
SC_DEBUG(periph, SCSIPI_DB2, ("open complete\n"));
return 0;
bad:
scsipi_adapter_delref(adapt);
periph->periph_flags &= ~PERIPH_OPEN;
return error;
}
