void
vndattach(int num)
{
char *mem;
int i;
if (num <= 0)
return;
mem = mallocarray(num, sizeof(struct vnd_softc), M_DEVBUF,
M_NOWAIT | M_ZERO);
if (mem == NULL) {
printf("WARNING: no memory for vnode disks\n");
return;
}
vnd_softc = (struct vnd_softc *)mem;
for (i = 0; i < num; i++) {
struct vnd_softc *sc = &vnd_softc[i];
sc->sc_dev.dv_unit = i;
snprintf(sc->sc_dev.dv_xname, sizeof(sc->sc_dev.dv_xname),
"vnd%d", i);
disk_construct(&sc->sc_dk);
device_ref(&sc->sc_dev);
}
numvnd = num;
}
struct vldcp_softc *
vldcp_lookup(dev_t dev)
{
struct vldcp_softc *sc = NULL;
if (minor(dev) < nitems(vldc_svc))
sc = vldc_svc[minor(dev)].vs_sc;
if (sc)
device_ref(&sc->sc_dv);
return (sc);
}
void
rdattach(int num)
{
static struct cfdata cf; /* Fake cf. */
struct rd_softc *sc;
int i;
/* There's only one rd_root_image, so only attach one rd. */
num = 1;
/* XXX: Fake up more? */
cf.cf_attach = &rd_ca;
cf.cf_driver = &rd_cd;
rd_cd.cd_ndevs = num;
rd_cd.cd_devs = malloc(num * sizeof(void *), M_DEVBUF, M_NOWAIT);
if (rd_cd.cd_devs == NULL)
panic("rdattach: out of memory");
for (i = 0; i < num; ++i) {
/* Allocate the softc and initialize it. */
sc = malloc(sizeof(*sc), M_DEVBUF, M_NOWAIT|M_ZERO);
if (sc == NULL)
panic("rdattach: out of memory");
sc->sc_dev.dv_class = DV_DISK;
sc->sc_dev.dv_cfdata = &cf;
sc->sc_dev.dv_flags = DVF_ACTIVE;
sc->sc_dev.dv_unit = i;
if (snprintf(sc->sc_dev.dv_xname, sizeof(sc->sc_dev.dv_xname),
"rd%d", i) >= sizeof(sc->sc_dev.dv_xname))
panic("rdattach: device name too long");
sc->sc_dev.dv_ref = 1;
/* Attach it to the device tree. */
rd_cd.cd_devs[i] = sc;
TAILQ_INSERT_TAIL(&alldevs, &sc->sc_dev, dv_list);
device_ref(&sc->sc_dev);
/* Finish initializing. */
rd_attach(NULL, &sc->sc_dev, NULL);
}
}
