static int usb_msd_initfn(USBDevice *dev) { MSDState *s = DO_UPCAST(MSDState, dev, dev); if (!s->dinfo || !s->dinfo->bdrv) { qemu_error("usb-msd: drive property not set\n"); return -1; } s->dev.speed = USB_SPEED_HIGH; scsi_bus_new(&s->bus, &s->dev.qdev, 0, 1, usb_msd_command_complete); s->scsi_dev = scsi_bus_legacy_add_drive(&s->bus, s->dinfo, 0); s->bus.qbus.allow_hotplug = 0; usb_msd_handle_reset(dev); if (bdrv_key_required(s->dinfo->bdrv)) { if (s->dev.qdev.hotplugged) { monitor_read_bdrv_key_start(cur_mon, s->dinfo->bdrv, usb_msd_password_cb, s); s->dev.auto_attach = 0; } else { autostart = 0; } } return 0; }
BlockDeviceInfo *bdrv_block_device_info(BlockDriverState *bs) { BlockDeviceInfo *info = g_malloc0(sizeof(*info)); info->file = g_strdup(bs->filename); info->ro = bs->read_only; info->drv = g_strdup(bs->drv->format_name); info->encrypted = bs->encrypted; info->encryption_key_missing = bdrv_key_required(bs); if (bs->node_name[0]) { info->has_node_name = true; info->node_name = g_strdup(bs->node_name); } if (bs->backing_file[0]) { info->has_backing_file = true; info->backing_file = g_strdup(bs->backing_file); } info->backing_file_depth = bdrv_get_backing_file_depth(bs); info->detect_zeroes = bs->detect_zeroes; if (bs->io_limits_enabled) { ThrottleConfig cfg; throttle_get_config(&bs->throttle_state, &cfg); info->bps = cfg.buckets[THROTTLE_BPS_TOTAL].avg; info->bps_rd = cfg.buckets[THROTTLE_BPS_READ].avg; info->bps_wr = cfg.buckets[THROTTLE_BPS_WRITE].avg; info->iops = cfg.buckets[THROTTLE_OPS_TOTAL].avg; info->iops_rd = cfg.buckets[THROTTLE_OPS_READ].avg; info->iops_wr = cfg.buckets[THROTTLE_OPS_WRITE].avg; info->has_bps_max = cfg.buckets[THROTTLE_BPS_TOTAL].max; info->bps_max = cfg.buckets[THROTTLE_BPS_TOTAL].max; info->has_bps_rd_max = cfg.buckets[THROTTLE_BPS_READ].max; info->bps_rd_max = cfg.buckets[THROTTLE_BPS_READ].max; info->has_bps_wr_max = cfg.buckets[THROTTLE_BPS_WRITE].max; info->bps_wr_max = cfg.buckets[THROTTLE_BPS_WRITE].max; info->has_iops_max = cfg.buckets[THROTTLE_OPS_TOTAL].max; info->iops_max = cfg.buckets[THROTTLE_OPS_TOTAL].max; info->has_iops_rd_max = cfg.buckets[THROTTLE_OPS_READ].max; info->iops_rd_max = cfg.buckets[THROTTLE_OPS_READ].max; info->has_iops_wr_max = cfg.buckets[THROTTLE_OPS_WRITE].max; info->iops_wr_max = cfg.buckets[THROTTLE_OPS_WRITE].max; info->has_iops_size = cfg.op_size; info->iops_size = cfg.op_size; } return info; }
/* @p_info will be set only on success. */ 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; info->inserted->has_bps_max = cfg.buckets[THROTTLE_BPS_TOTAL].max; info->inserted->bps_max = cfg.buckets[THROTTLE_BPS_TOTAL].max; info->inserted->has_bps_rd_max = cfg.buckets[THROTTLE_BPS_READ].max; info->inserted->bps_rd_max = cfg.buckets[THROTTLE_BPS_READ].max; info->inserted->has_bps_wr_max = cfg.buckets[THROTTLE_BPS_WRITE].max; info->inserted->bps_wr_max = cfg.buckets[THROTTLE_BPS_WRITE].max; info->inserted->has_iops_max = cfg.buckets[THROTTLE_OPS_TOTAL].max; info->inserted->iops_max = cfg.buckets[THROTTLE_OPS_TOTAL].max; info->inserted->has_iops_rd_max = cfg.buckets[THROTTLE_OPS_READ].max; info->inserted->iops_rd_max = cfg.buckets[THROTTLE_OPS_READ].max; info->inserted->has_iops_wr_max = cfg.buckets[THROTTLE_OPS_WRITE].max; info->inserted->iops_wr_max = cfg.buckets[THROTTLE_OPS_WRITE].max; info->inserted->has_iops_size = cfg.op_size; info->inserted->iops_size = cfg.op_size; } 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); }
BlockDeviceInfo *bdrv_block_device_info(BlockBackend *blk, BlockDriverState *bs, Error **errp) { ImageInfo **p_image_info; BlockDriverState *bs0; BlockDeviceInfo *info = g_malloc0(sizeof(*info)); info->file = g_strdup(bs->filename); info->ro = bs->read_only; info->drv = g_strdup(bs->drv->format_name); info->encrypted = bs->encrypted; info->encryption_key_missing = bdrv_key_required(bs); info->cache = g_new(BlockdevCacheInfo, 1); *info->cache = (BlockdevCacheInfo) { .writeback = blk ? blk_enable_write_cache(blk) : true, .direct = !!(bs->open_flags & BDRV_O_NOCACHE), .no_flush = !!(bs->open_flags & BDRV_O_NO_FLUSH), }; if (bs->node_name[0]) { info->has_node_name = true; info->node_name = g_strdup(bs->node_name); } if (bs->backing_file[0]) { info->has_backing_file = true; info->backing_file = g_strdup(bs->backing_file); } info->backing_file_depth = bdrv_get_backing_file_depth(bs); info->detect_zeroes = bs->detect_zeroes; if (blk && blk_get_public(blk)->throttle_state) { ThrottleConfig cfg; throttle_group_get_config(blk, &cfg); info->bps = cfg.buckets[THROTTLE_BPS_TOTAL].avg; info->bps_rd = cfg.buckets[THROTTLE_BPS_READ].avg; info->bps_wr = cfg.buckets[THROTTLE_BPS_WRITE].avg; info->iops = cfg.buckets[THROTTLE_OPS_TOTAL].avg; info->iops_rd = cfg.buckets[THROTTLE_OPS_READ].avg; info->iops_wr = cfg.buckets[THROTTLE_OPS_WRITE].avg; info->has_bps_max = cfg.buckets[THROTTLE_BPS_TOTAL].max; info->bps_max = cfg.buckets[THROTTLE_BPS_TOTAL].max; info->has_bps_rd_max = cfg.buckets[THROTTLE_BPS_READ].max; info->bps_rd_max = cfg.buckets[THROTTLE_BPS_READ].max; info->has_bps_wr_max = cfg.buckets[THROTTLE_BPS_WRITE].max; info->bps_wr_max = cfg.buckets[THROTTLE_BPS_WRITE].max; info->has_iops_max = cfg.buckets[THROTTLE_OPS_TOTAL].max; info->iops_max = cfg.buckets[THROTTLE_OPS_TOTAL].max; info->has_iops_rd_max = cfg.buckets[THROTTLE_OPS_READ].max; info->iops_rd_max = cfg.buckets[THROTTLE_OPS_READ].max; info->has_iops_wr_max = cfg.buckets[THROTTLE_OPS_WRITE].max; info->iops_wr_max = cfg.buckets[THROTTLE_OPS_WRITE].max; info->has_bps_max_length = info->has_bps_max; info->bps_max_length = cfg.buckets[THROTTLE_BPS_TOTAL].burst_length; info->has_bps_rd_max_length = info->has_bps_rd_max; info->bps_rd_max_length = cfg.buckets[THROTTLE_BPS_READ].burst_length; info->has_bps_wr_max_length = info->has_bps_wr_max; info->bps_wr_max_length = cfg.buckets[THROTTLE_BPS_WRITE].burst_length; info->has_iops_max_length = info->has_iops_max; info->iops_max_length = cfg.buckets[THROTTLE_OPS_TOTAL].burst_length; info->has_iops_rd_max_length = info->has_iops_rd_max; info->iops_rd_max_length = cfg.buckets[THROTTLE_OPS_READ].burst_length; info->has_iops_wr_max_length = info->has_iops_wr_max; info->iops_wr_max_length = cfg.buckets[THROTTLE_OPS_WRITE].burst_length; info->has_iops_size = cfg.op_size; info->iops_size = cfg.op_size; info->has_group = true; info->group = g_strdup(throttle_group_get_name(blk)); } info->write_threshold = bdrv_write_threshold_get(bs); bs0 = bs; p_image_info = &info->image; while (1) { Error *local_err = NULL; bdrv_query_image_info(bs0, p_image_info, &local_err); if (local_err) { error_propagate(errp, local_err); qapi_free_BlockDeviceInfo(info); return NULL; } if (bs0->drv && bs0->backing) { bs0 = bs0->backing->bs; (*p_image_info)->has_backing_image = true; p_image_info = &((*p_image_info)->backing_image); } else { break; } } return info; } /* * Returns 0 on success, with *p_list either set to describe snapshot * information, or NULL because there are no snapshots. Returns -errno on * error, with *p_list untouched. */ int bdrv_query_snapshot_info_list(BlockDriverState *bs, SnapshotInfoList **p_list, Error **errp) { int i, sn_count; QEMUSnapshotInfo *sn_tab = NULL; SnapshotInfoList *info_list, *cur_item = NULL, *head = NULL; SnapshotInfo *info; sn_count = bdrv_snapshot_list(bs, &sn_tab); if (sn_count < 0) { const char *dev = bdrv_get_device_name(bs); switch (sn_count) { case -ENOMEDIUM: error_setg(errp, "Device '%s' is not inserted", dev); break; case -ENOTSUP: error_setg(errp, "Device '%s' does not support internal snapshots", dev); break; default: error_setg_errno(errp, -sn_count, "Can't list snapshots of device '%s'", dev); break; } return sn_count; } for (i = 0; i < sn_count; i++) { info = g_new0(SnapshotInfo, 1); info->id = g_strdup(sn_tab[i].id_str); info->name = g_strdup(sn_tab[i].name); info->vm_state_size = sn_tab[i].vm_state_size; info->date_sec = sn_tab[i].date_sec; info->date_nsec = sn_tab[i].date_nsec; info->vm_clock_sec = sn_tab[i].vm_clock_nsec / 1000000000; info->vm_clock_nsec = sn_tab[i].vm_clock_nsec % 1000000000; info_list = g_new0(SnapshotInfoList, 1); info_list->value = info; /* XXX: waiting for the qapi to support qemu-queue.h types */ if (!cur_item) { head = cur_item = info_list; } else { cur_item->next = info_list; cur_item = info_list; } } g_free(sn_tab); *p_list = head; return 0; }