int
scsi_probe(struct scsibus_softc *sc, int target, int lun)
{
if (target == -1 && lun == -1)
return (scsi_probe_bus(sc));
/* specific lun and wildcard target is bad */
if (target == -1)
return (EINVAL);
if (lun == -1)
return (scsi_probe_target(sc, target));
return (scsi_probe_lun(sc, target, lun));
}
/*
* The routine called by the adapter boards to get all their
* devices configured in.
*/
void
scsibusattach(struct device *parent, struct device *self, void *aux)
{
struct scsibus_softc *sb = (struct scsibus_softc *)self;
struct scsibus_attach_args *saa = aux;
struct scsi_link *sc_link_proto = saa->saa_sc_link;
int nbytes, i;
if (!cold)
scsi_autoconf = 0;
sc_link_proto->scsibus = sb->sc_dev.dv_unit;
sb->adapter_link = sc_link_proto;
if (sb->adapter_link->adapter_buswidth == 0)
sb->adapter_link->adapter_buswidth = 8;
sb->sc_buswidth = sb->adapter_link->adapter_buswidth;
if (sb->adapter_link->luns == 0)
sb->adapter_link->luns = 8;
printf(": %d targets\n", sb->sc_buswidth);
/* Initialize shared data. */
scsi_init();
nbytes = sb->sc_buswidth * sizeof(struct scsi_link **);
sb->sc_link = malloc(nbytes, M_DEVBUF, M_NOWAIT);
if (sb->sc_link == NULL)
panic("scsibusattach: can't allocate target links");
nbytes = sb->adapter_link->luns * sizeof(struct scsi_link *);
for (i = 0; i < sb->sc_buswidth; i++) {
sb->sc_link[i] = malloc(nbytes, M_DEVBUF, M_NOWAIT);
if (sb->sc_link[i] == NULL)
panic("scsibusattach: can't allocate lun links");
bzero(sb->sc_link[i], nbytes);
}
#if NBIO > 0
if (bio_register(&sb->sc_dev, scsibus_bioctl) != 0)
printf("%s: unable to register bio\n", sb->sc_dev.dv_xname);
#endif
scsi_probe_bus(sb);
}
/*
* The routine called by the adapter boards to get all their
* devices configured in.
*/
void
scsibusattach(struct device *parent, struct device *self, void *aux)
{
struct scsibus_softc *sb = (struct scsibus_softc *)self;
struct scsibus_attach_args *saa = aux;
struct scsi_link *sc_link_proto = saa->saa_sc_link;
if (!cold)
scsi_autoconf = 0;
sc_link_proto->bus = sb;
sc_link_proto->scsibus = sb->sc_dev.dv_unit;
sb->adapter_link = sc_link_proto;
if (sb->adapter_link->adapter_buswidth == 0)
sb->adapter_link->adapter_buswidth = 8;
sb->sc_buswidth = sb->adapter_link->adapter_buswidth;
if (sb->adapter_link->luns == 0)
sb->adapter_link->luns = 8;
printf(": %d targets", sb->sc_buswidth);
if (sb->adapter_link->adapter_target < sb->sc_buswidth)
printf(", initiator %d", sb->adapter_link->adapter_target);
if (sb->adapter_link->port_wwn != 0x0 &&
sb->adapter_link->node_wwn != 0x0) {
printf(", WWPN %016llx, WWNN %016llx",
sb->adapter_link->port_wwn, sb->adapter_link->node_wwn);
}
printf("\n");
/* Initialize shared data. */
scsi_init();
SLIST_INIT(&sb->sc_link);
#if NBIO > 0
if (bio_register(&sb->sc_dev, scsibus_bioctl) != 0)
printf("%s: unable to register bio\n", sb->sc_dev.dv_xname);
#endif
scsi_probe_bus(sb);
}
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);
}
}
