void
vdsp_open(void *arg1, void *arg2)
{
struct vdsp_softc *sc = arg1;
struct proc *p = curproc;
struct vd_attr_info ai;
if (sc->sc_vp == NULL) {
struct nameidata nd;
struct vattr va;
const char *name;
int error;
name = mdesc_get_prop_str(sc->sc_idx, "vds-block-device");
if (name == NULL)
return;
NDINIT(&nd, LOOKUP, FOLLOW, UIO_SYSSPACE, name, p);
error = vn_open(&nd, FREAD | FWRITE, 0);
if (error) {
printf("VOP_OPEN: %s, %d\n", name, error);
return;
}
error = VOP_GETATTR(nd.ni_vp, &va, p->p_ucred, p);
if (error)
printf("VOP_GETATTR: %s, %d\n", name, error);
sc->sc_vdisk_block_size = DEV_BSIZE;
sc->sc_vdisk_size = va.va_size / DEV_BSIZE;
VOP_UNLOCK(nd.ni_vp, 0, p);
sc->sc_vp = nd.ni_vp;
vdsp_readlabel(sc);
}
bzero(&ai, sizeof(ai));
ai.tag.type = VIO_TYPE_CTRL;
ai.tag.stype = VIO_SUBTYPE_ACK;
ai.tag.stype_env = VIO_ATTR_INFO;
ai.tag.sid = sc->sc_local_sid;
ai.xfer_mode = sc->sc_xfer_mode;
ai.vd_type = VD_DISK_TYPE_DISK;
if (sc->sc_major > 1 || sc->sc_minor >= 1) {
if (vdsp_is_iso(sc))
ai.vd_mtype = VD_MEDIA_TYPE_CD;
else
ai.vd_mtype = VD_MEDIA_TYPE_FIXED;
}
ai.vdisk_block_size = sc->sc_vdisk_block_size;
ai.operations = VD_OP_MASK;
ai.vdisk_size = sc->sc_vdisk_size;
ai.max_xfer_sz = MAXPHYS / sc->sc_vdisk_block_size;
vdsp_sendmsg(sc, &ai, sizeof(ai), 1);
}
void
vdsp_get_vtoc(void *arg1, void *arg2)
{
struct vdsp_softc *sc = arg1;
struct ldc_conn *lc = &sc->sc_lc;
struct vd_desc *vd = arg2;
struct sun_vtoc_preamble *sl;
struct vd_vtoc *vt;
vaddr_t va;
paddr_t pa;
uint64_t size, off;
psize_t nbytes;
int err, i;
vt = malloc(PAGE_SIZE, M_DEVBUF, M_WAITOK | M_ZERO);
if (sc->sc_label == NULL)
vdsp_readlabel(sc);
if (sc->sc_label && sc->sc_label->sl_magic == SUN_DKMAGIC) {
sl = (struct sun_vtoc_preamble *)sc->sc_label;
memcpy(vt->ascii_label, sl->sl_text, sizeof(sl->sl_text));
memcpy(vt->volume_name, sl->sl_volume, sizeof(sl->sl_volume));
vt->sector_size = DEV_BSIZE;
vt->num_partitions = sl->sl_nparts;
for (i = 0; i < vt->num_partitions; i++) {
vt->partition[i].id_tag = sl->sl_part[i].spi_tag;
vt->partition[i].perm = sl->sl_part[i].spi_flag;
vt->partition[i].start =
sc->sc_label->sl_part[i].sdkp_cyloffset *
sc->sc_label->sl_ntracks *
sc->sc_label->sl_nsectors;
vt->partition[i].nblocks =
sc->sc_label->sl_part[i].sdkp_nsectors;
}
} else {
uint64_t disk_size;
int unit;
/* Human-readable disk size. */
disk_size = sc->sc_vdisk_size * sc->sc_vdisk_block_size;
disk_size >>= 10;
unit = 'K';
if (disk_size > (2 << 10)) {
disk_size >>= 10;
unit = 'M';
}
if (disk_size > (2 << 10)) {
disk_size >>= 10;
unit = 'G';
}
