int
scsi_detach_target(struct scsibus_softc *sc, int target, int flags)
{
struct scsi_link *alink = sc->adapter_link;
int i, err, rv = 0, detached = 0;
if (target < 0 || target >= alink->adapter_buswidth ||
target == alink->adapter_target)
return (ENXIO);
if (sc->sc_link[target] == NULL)
return (ENXIO);
for (i = 0; i < alink->luns; i++) { /* nicer backwards? */
if (sc->sc_link[target][i] == NULL)
continue;
err = scsi_detach_lun(sc, target, i, flags);
if (err != 0)
rv = err;
detached = 1;
}
return (detached ? rv : ENXIO);
}
int
scsi_detach(struct scsibus_softc *sc, int target, int lun, int flags)
{
if (target == -1 && lun == -1)
return (scsi_detach_bus(sc, flags));
/* specific lun and wildcard target is bad */
if (target == -1)
return (EINVAL);
if (lun == -1)
return (scsi_detach_target(sc, target, flags));
return (scsi_detach_lun(sc, target, lun, flags));
}
int
scsi_detach_target(struct scsibus_softc *sc, int target, int flags)
{
struct scsi_link *alink = sc->adapter_link;
int i, err, rv = 0;
if (target < 0 || target >= alink->adapter_buswidth ||
target == alink->adapter_target)
return (ENXIO);
for (i = 0; i < alink->luns; i++) { /* nicer backwards? */
if (scsi_get_link(sc, target, i) == NULL)
continue;
err = scsi_detach_lun(sc, target, i, flags);
if (err != 0 && err != ENXIO)
rv = err;
}
return (rv);
}
int
scsibus_bioctl(struct device *dev, u_long cmd, caddr_t addr)
{
struct scsibus_softc *sc = (struct scsibus_softc *)dev;
struct sbioc_device *sdev;
switch (cmd) {
case SBIOCPROBE:
sdev = (struct sbioc_device *)addr;
if (sdev->sd_target == -1 && sdev->sd_lun == -1)
return (scsi_probe_bus(sc));
/* specific lun and wildcard target is bad */
if (sdev->sd_target == -1)
return (EINVAL);
if (sdev->sd_lun == -1)
return (scsi_probe_target(sc, sdev->sd_target));
return (scsi_probe_lun(sc, sdev->sd_target, sdev->sd_lun));
case SBIOCDETACH:
sdev = (struct sbioc_device *)addr;
if (sdev->sd_target == -1 && sdev->sd_lun == -1)
return (scsi_detach_bus(sc, 0));
if (sdev->sd_target == -1)
return (EINVAL);
if (sdev->sd_lun == -1)
return (scsi_detach_target(sc, sdev->sd_target, 0));
return (scsi_detach_lun(sc, sdev->sd_target, sdev->sd_lun, 0));
default:
return (ENOTTY);
}
}
