static void
g_bde_orphan(struct g_consumer *cp)
{
struct g_geom *gp;
struct g_provider *pp;
struct g_bde_softc *sc;
g_trace(G_T_TOPOLOGY, "g_bde_orphan(%p/%s)", cp, cp->provider->name);
g_topology_assert();
gp = cp->geom;
sc = gp->softc;
gp->flags |= G_GEOM_WITHER;
LIST_FOREACH(pp, &gp->provider, provider)
g_orphan_provider(pp, ENXIO);
bzero(sc, sizeof(struct g_bde_softc)); /* destroy evidence */
return;
}
static void
acd_read_toc(device_t dev)
{
struct ata_device *atadev = device_get_softc(dev);
struct acd_softc *cdp = device_get_ivars(dev);
struct g_provider *pp;
u_int32_t sizes[2];
int8_t ccb[16];
int track, ntracks, len;
atadev->flags &= ~ATA_D_MEDIA_CHANGED;
bzero(&cdp->toc, sizeof(cdp->toc));
cdp->disk_size = -1; /* hack for GEOM SOS */
if (acd_test_ready(dev))
return;
bzero(ccb, sizeof(ccb));
len = sizeof(struct ioc_toc_header) + sizeof(struct cd_toc_entry);
ccb[0] = ATAPI_READ_TOC;
ccb[7] = len>>8;
ccb[8] = len;
if (ata_atapicmd(dev, ccb, (caddr_t)&cdp->toc, len,
ATA_R_READ | ATA_R_QUIET, 30)) {
bzero(&cdp->toc, sizeof(cdp->toc));
return;
}
ntracks = cdp->toc.hdr.ending_track - cdp->toc.hdr.starting_track + 1;
if (ntracks <= 0 || ntracks > MAXTRK) {
bzero(&cdp->toc, sizeof(cdp->toc));
return;
}
len = sizeof(struct ioc_toc_header)+(ntracks+1)*sizeof(struct cd_toc_entry);
bzero(ccb, sizeof(ccb));
ccb[0] = ATAPI_READ_TOC;
ccb[7] = len>>8;
ccb[8] = len;
if (ata_atapicmd(dev, ccb, (caddr_t)&cdp->toc, len,
ATA_R_READ | ATA_R_QUIET, 30)) {
bzero(&cdp->toc, sizeof(cdp->toc));
return;
}
cdp->toc.hdr.len = ntohs(cdp->toc.hdr.len);
cdp->block_size = (cdp->toc.tab[0].control & 4) ? 2048 : 2352;
acd_set_ioparm(dev);
bzero(ccb, sizeof(ccb));
ccb[0] = ATAPI_READ_CAPACITY;
if (ata_atapicmd(dev, ccb, (caddr_t)sizes, sizeof(sizes),
ATA_R_READ | ATA_R_QUIET, 30)) {
bzero(&cdp->toc, sizeof(cdp->toc));
return;
}
cdp->disk_size = ntohl(sizes[0]) + 1;
for (track = 1; track <= ntracks; track ++) {
if (cdp->pp[track] != NULL)
continue;
pp = g_new_providerf(cdp->gp, "acd%dt%02d", device_get_unit(dev),track);
pp->index = track;
cdp->pp[track] = pp;
g_error_provider(pp, 0);
}
for (; track < MAXTRK; track ++) {
if (cdp->pp[track] == NULL)
continue;
cdp->pp[track]->flags |= G_PF_WITHER;
g_orphan_provider(cdp->pp[track], ENXIO);
cdp->pp[track] = NULL;
}
#ifdef ACD_DEBUG
if (cdp->disk_size && cdp->toc.hdr.ending_track) {
device_printf(dev, "(%d sectors (%d bytes)), %d tracks ",
cdp->disk_size, cdp->block_size,
cdp->toc.hdr.ending_track-cdp->toc.hdr.starting_track+1);
if (cdp->toc.tab[0].control & 4)
printf("%dMB\n", cdp->disk_size * cdp->block_size / 1048576);
else
printf("%d:%d audio\n",
cdp->disk_size / 75 / 60, cdp->disk_size / 75 % 60);
}
#endif
}
