static int ide_dev_initfn(IDEDevice *dev, IDEDriveKind kind) { IDEBus *bus = DO_UPCAST(IDEBus, qbus, dev->qdev.parent_bus); IDEState *s = bus->ifs + dev->unit; const char *serial; DriveInfo *dinfo; if (dev->conf.discard_granularity && dev->conf.discard_granularity != 512) { error_report("discard_granularity must be 512 for ide"); return -1; } serial = dev->serial; if (!serial) { /* try to fall back to value set with legacy -drive serial=... */ dinfo = drive_get_by_blockdev(dev->conf.bs); if (*dinfo->serial) { serial = dinfo->serial; } } if (ide_init_drive(s, dev->conf.bs, kind, dev->version, serial) < 0) { return -1; } if (!dev->version) { dev->version = g_strdup(s->version); } if (!dev->serial) { dev->serial = g_strdup(s->drive_serial_str); } add_boot_device_path(dev->conf.bootindex, &dev->qdev, dev->unit ? "/disk@1" : "/disk@0"); return 0; }