void bdrv_query_info(BlockDriverState *bs, BlockInfo **p_info, Error **errp) { BlockInfo *info = g_malloc0(sizeof(*info)); BlockDriverState *bs0; ImageInfo **p_image_info; Error *local_err = NULL; info->device = g_strdup(bs->device_name); info->type = g_strdup("unknown"); info->locked = bdrv_dev_is_medium_locked(bs); info->removable = bdrv_dev_has_removable_media(bs); if (bdrv_dev_has_removable_media(bs)) { info->has_tray_open = true; info->tray_open = bdrv_dev_is_tray_open(bs); } if (bdrv_iostatus_is_enabled(bs)) { info->has_io_status = true; info->io_status = bs->iostatus; } if (bs->dirty_bitmap) { info->has_dirty = true; info->dirty = g_malloc0(sizeof(*info->dirty)); info->dirty->count = bdrv_get_dirty_count(bs) * BDRV_SECTOR_SIZE; info->dirty->granularity = ((int64_t) BDRV_SECTOR_SIZE << hbitmap_granularity(bs->dirty_bitmap)); } if (bs->drv) { info->has_inserted = true; info->inserted = g_malloc0(sizeof(*info->inserted)); info->inserted->file = g_strdup(bs->filename); info->inserted->ro = bs->read_only; info->inserted->drv = g_strdup(bs->drv->format_name); info->inserted->encrypted = bs->encrypted; info->inserted->encryption_key_missing = bdrv_key_required(bs); if (bs->backing_file[0]) { info->inserted->has_backing_file = true; info->inserted->backing_file = g_strdup(bs->backing_file); } info->inserted->backing_file_depth = bdrv_get_backing_file_depth(bs); if (bs->io_limits_enabled) { ThrottleConfig cfg; throttle_get_config(&bs->throttle_state, &cfg); info->inserted->bps = cfg.buckets[THROTTLE_BPS_TOTAL].avg; info->inserted->bps_rd = cfg.buckets[THROTTLE_BPS_READ].avg; info->inserted->bps_wr = cfg.buckets[THROTTLE_BPS_WRITE].avg; info->inserted->iops = cfg.buckets[THROTTLE_OPS_TOTAL].avg; info->inserted->iops_rd = cfg.buckets[THROTTLE_OPS_READ].avg; info->inserted->iops_wr = cfg.buckets[THROTTLE_OPS_WRITE].avg; } bs0 = bs; p_image_info = &info->inserted->image; while (1) { bdrv_query_image_info(bs0, p_image_info, &local_err); if (error_is_set(&local_err)) { error_propagate(errp, local_err); goto err; } if (bs0->drv && bs0->backing_hd) { bs0 = bs0->backing_hd; (*p_image_info)->has_backing_image = true; p_image_info = &((*p_image_info)->backing_image); } else { break; } } } *p_info = info; return; err: qapi_free_BlockInfo(info); }