static int scsi_event_status_media(SCSIDiskState *s, uint8_t *outbuf) { uint8_t event_code, media_status; media_status = 0; if (s->tray_open) { media_status = MS_TRAY_OPEN; } else if (bdrv_is_inserted(s->qdev.conf.bs)) { media_status = MS_MEDIA_PRESENT; } /* Event notification descriptor */ event_code = MEC_NO_CHANGE; if (media_status != MS_TRAY_OPEN) { if (s->media_event) { event_code = MEC_NEW_MEDIA; s->media_event = false; } else if (s->eject_request) { event_code = MEC_EJECT_REQUESTED; s->eject_request = false; } } outbuf[0] = event_code; outbuf[1] = media_status; /* These fields are reserved, just clear them. */ outbuf[2] = 0; outbuf[3] = 0; return 4; }