static void parse_drive(DeviceState *dev, const char *str, void **ptr,
const char *propname, Error **errp)
{
BlockBackend *blk;
blk = blk_by_name(str);
if (!blk) {
error_setg(errp, "Property '%s.%s' can't find value '%s'",
object_get_typename(OBJECT(dev)), propname, str);
return;
}
if (blk_attach_dev(blk, dev) < 0) {
DriveInfo *dinfo = blk_legacy_dinfo(blk);
if (dinfo && dinfo->type != IF_NONE) {
error_setg(errp, "Drive '%s' is already in use because "
"it has been automatically connected to another "
"device (did you need 'if=none' in the drive options?)",
str);
} else {
error_setg(errp, "Drive '%s' is already in use by another device",
str);
}
return;
}
*ptr = blk;
}
void blkconf_serial(BlockConf *conf, char **serial)
{
DriveInfo *dinfo;
if (!*serial) {
/* try to fall back to value set with legacy -drive serial=... */
dinfo = blk_legacy_dinfo(conf->blk);
if (dinfo) {
*serial = g_strdup(dinfo->serial);
}
}
}
static void parse_drive(DeviceState *dev, const char *str, void **ptr,
const char *propname, Error **errp)
{
BlockBackend *blk;
bool blk_created = false;
int ret;
blk = blk_by_name(str);
if (!blk) {
BlockDriverState *bs = bdrv_lookup_bs(NULL, str, NULL);
if (bs) {
blk = blk_new(0, BLK_PERM_ALL);
blk_created = true;
ret = blk_insert_bs(blk, bs, errp);
if (ret < 0) {
goto fail;
}
}
}
if (!blk) {
error_setg(errp, "Property '%s.%s' can't find value '%s'",
object_get_typename(OBJECT(dev)), propname, str);
goto fail;
}
if (blk_attach_dev(blk, dev) < 0) {
DriveInfo *dinfo = blk_legacy_dinfo(blk);
if (dinfo && dinfo->type != IF_NONE) {
error_setg(errp, "Drive '%s' is already in use because "
"it has been automatically connected to another "
"device (did you need 'if=none' in the drive options?)",
str);
} else {
error_setg(errp, "Drive '%s' is already in use by another device",
str);
}
goto fail;
}
*ptr = blk;
fail:
if (blk_created) {
/* If we need to keep a reference, blk_attach_dev() took it */
blk_unref(blk);
}
}
bool blkconf_geometry(BlockConf *conf, int *ptrans,
unsigned cyls_max, unsigned heads_max, unsigned secs_max,
Error **errp)
{
DriveInfo *dinfo;
if (!conf->cyls && !conf->heads && !conf->secs) {
/* try to fall back to value set with legacy -drive cyls=... */
dinfo = blk_legacy_dinfo(conf->blk);
if (dinfo) {
conf->cyls = dinfo->cyls;
conf->heads = dinfo->heads;
conf->secs = dinfo->secs;
if (ptrans) {
*ptrans = dinfo->trans;
}
}
}
if (!conf->cyls && !conf->heads && !conf->secs) {
hd_geometry_guess(conf->blk,
&conf->cyls, &conf->heads, &conf->secs,
ptrans);
} else if (ptrans && *ptrans == BIOS_ATA_TRANSLATION_AUTO) {
*ptrans = hd_bios_chs_auto_trans(conf->cyls, conf->heads, conf->secs);
}
if (conf->cyls || conf->heads || conf->secs) {
if (conf->cyls < 1 || conf->cyls > cyls_max) {
error_setg(errp, "cyls must be between 1 and %u", cyls_max);
return false;
}
if (conf->heads < 1 || conf->heads > heads_max) {
error_setg(errp, "heads must be between 1 and %u", heads_max);
return false;
}
if (conf->secs < 1 || conf->secs > secs_max) {
error_setg(errp, "secs must be between 1 and %u", secs_max);
return false;
}
}
return true;
}
static int ide_drive_initfn(IDEDevice *dev)
{
DriveInfo *dinfo = blk_legacy_dinfo(dev->conf.blk);
return ide_dev_initfn(dev, dinfo && dinfo->media_cd ? IDE_CD : IDE_HD);
}
