| /* |
| * Block layer qmp and info dump related functions |
| * |
| * Copyright (c) 2003-2008 Fabrice Bellard |
| * |
| * Permission is hereby granted, free of charge, to any person obtaining a copy |
| * of this software and associated documentation files (the "Software"), to deal |
| * in the Software without restriction, including without limitation the rights |
| * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
| * copies of the Software, and to permit persons to whom the Software is |
| * furnished to do so, subject to the following conditions: |
| * |
| * The above copyright notice and this permission notice shall be included in |
| * all copies or substantial portions of the Software. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
| * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN |
| * THE SOFTWARE. |
| */ |
| |
| #include "qemu/osdep.h" |
| #include "qemu-common.h" |
| #include "block/qapi.h" |
| #include "block/block_int.h" |
| #include "block/throttle-groups.h" |
| #include "block/write-threshold.h" |
| #include "qapi/error.h" |
| #include "qapi/qapi-commands-block-core.h" |
| #include "qapi/qobject-output-visitor.h" |
| #include "qapi/qapi-visit-block-core.h" |
| #include "qapi/qmp/qbool.h" |
| #include "qapi/qmp/qdict.h" |
| #include "qapi/qmp/qlist.h" |
| #include "qapi/qmp/qnum.h" |
| #include "qapi/qmp/qstring.h" |
| #include "qemu/qemu-print.h" |
| #include "sysemu/block-backend.h" |
| #include "qemu/cutils.h" |
| |
| BlockDeviceInfo *bdrv_block_device_info(BlockBackend *blk, |
| BlockDriverState *bs, Error **errp) |
| { |
| ImageInfo **p_image_info; |
| BlockDriverState *bs0; |
| BlockDeviceInfo *info; |
| |
| if (!bs->drv) { |
| error_setg(errp, "Block device %s is ejected", bs->node_name); |
| return NULL; |
| } |
| |
| bdrv_refresh_filename(bs); |
| |
| 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 = false; |
| |
| 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); |
| } |
| |
| if (!QLIST_EMPTY(&bs->dirty_bitmaps)) { |
| info->has_dirty_bitmaps = true; |
| info->dirty_bitmaps = bdrv_query_dirty_bitmaps(bs); |
| } |
| |
| info->detect_zeroes = bs->detect_zeroes; |
| |
| if (blk && blk_get_public(blk)->throttle_group_member.throttle_state) { |
| ThrottleConfig cfg; |
| BlockBackendPublic *blkp = blk_get_public(blk); |
| |
| throttle_group_get_config(&blkp->throttle_group_member, &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(&blkp->throttle_group_member)); |
| } |
| |
| info->write_threshold = bdrv_write_threshold_get(bs); |
| |
| bs0 = bs; |
| p_image_info = &info->image; |
| info->backing_file_depth = 0; |
| 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) { |
| info->backing_file_depth++; |
| bs0 = bs0->backing->bs; |
| (*p_image_info)->has_backing_image = true; |
| p_image_info = &((*p_image_info)->backing_image); |
| } else { |
| break; |
| } |
| |
| /* Skip automatically inserted nodes that the user isn't aware of for |
| * query-block (blk != NULL), but not for query-named-block-nodes */ |
| while (blk && bs0->drv && bs0->implicit) { |
| bs0 = backing_bs(bs0); |
| assert(bs0); |
| } |
| } |
| |
| 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; |
| } |
| |
| /** |
| * bdrv_query_image_info: |
| * @bs: block device to examine |
| * @p_info: location to store image information |
| * @errp: location to store error information |
| * |
| * Store "flat" image information in @p_info. |
| * |
| * "Flat" means it does *not* query backing image information, |
| * i.e. (*pinfo)->has_backing_image will be set to false and |
| * (*pinfo)->backing_image to NULL even when the image does in fact have |
| * a backing image. |
| * |
| * @p_info will be set only on success. On error, store error in @errp. |
| */ |
| void bdrv_query_image_info(BlockDriverState *bs, |
| ImageInfo **p_info, |
| Error **errp) |
| { |
| int64_t size; |
| const char *backing_filename; |
| BlockDriverInfo bdi; |
| int ret; |
| Error *err = NULL; |
| ImageInfo *info; |
| |
| aio_context_acquire(bdrv_get_aio_context(bs)); |
| |
| size = bdrv_getlength(bs); |
| if (size < 0) { |
| error_setg_errno(errp, -size, "Can't get image size '%s'", |
| bs->exact_filename); |
| goto out; |
| } |
| |
| bdrv_refresh_filename(bs); |
| |
| info = g_new0(ImageInfo, 1); |
| info->filename = g_strdup(bs->filename); |
| info->format = g_strdup(bdrv_get_format_name(bs)); |
| info->virtual_size = size; |
| info->actual_size = bdrv_get_allocated_file_size(bs); |
| info->has_actual_size = info->actual_size >= 0; |
| if (bdrv_is_encrypted(bs)) { |
| info->encrypted = true; |
| info->has_encrypted = true; |
| } |
| if (bdrv_get_info(bs, &bdi) >= 0) { |
| if (bdi.cluster_size != 0) { |
| info->cluster_size = bdi.cluster_size; |
| info->has_cluster_size = true; |
| } |
| info->dirty_flag = bdi.is_dirty; |
| info->has_dirty_flag = true; |
| } |
| info->format_specific = bdrv_get_specific_info(bs, &err); |
| if (err) { |
| error_propagate(errp, err); |
| qapi_free_ImageInfo(info); |
| goto out; |
| } |
| info->has_format_specific = info->format_specific != NULL; |
| |
| backing_filename = bs->backing_file; |
| if (backing_filename[0] != '\0') { |
| char *backing_filename2; |
| info->backing_filename = g_strdup(backing_filename); |
| info->has_backing_filename = true; |
| backing_filename2 = bdrv_get_full_backing_filename(bs, NULL); |
| |
| /* Always report the full_backing_filename if present, even if it's the |
| * same as backing_filename. That they are same is useful info. */ |
| if (backing_filename2) { |
| info->full_backing_filename = g_strdup(backing_filename2); |
| info->has_full_backing_filename = true; |
| } |
| |
| if (bs->backing_format[0]) { |
| info->backing_filename_format = g_strdup(bs->backing_format); |
| info->has_backing_filename_format = true; |
| } |
| g_free(backing_filename2); |
| } |
| |
| ret = bdrv_query_snapshot_info_list(bs, &info->snapshots, &err); |
| switch (ret) { |
| case 0: |
| if (info->snapshots) { |
| info->has_snapshots = true; |
| } |
| break; |
| /* recoverable error */ |
| case -ENOMEDIUM: |
| case -ENOTSUP: |
| error_free(err); |
| break; |
| default: |
| error_propagate(errp, err); |
| qapi_free_ImageInfo(info); |
| goto out; |
| } |
| |
| *p_info = info; |
| |
| out: |
| aio_context_release(bdrv_get_aio_context(bs)); |
| } |
| |
| /* @p_info will be set only on success. */ |
| static void bdrv_query_info(BlockBackend *blk, BlockInfo **p_info, |
| Error **errp) |
| { |
| BlockInfo *info = g_malloc0(sizeof(*info)); |
| BlockDriverState *bs = blk_bs(blk); |
| char *qdev; |
| |
| /* Skip automatically inserted nodes that the user isn't aware of */ |
| while (bs && bs->drv && bs->implicit) { |
| bs = backing_bs(bs); |
| } |
| |
| info->device = g_strdup(blk_name(blk)); |
| info->type = g_strdup("unknown"); |
| info->locked = blk_dev_is_medium_locked(blk); |
| info->removable = blk_dev_has_removable_media(blk); |
| |
| qdev = blk_get_attached_dev_id(blk); |
| if (qdev && *qdev) { |
| info->has_qdev = true; |
| info->qdev = qdev; |
| } else { |
| g_free(qdev); |
| } |
| |
| if (blk_dev_has_tray(blk)) { |
| info->has_tray_open = true; |
| info->tray_open = blk_dev_is_tray_open(blk); |
| } |
| |
| if (blk_iostatus_is_enabled(blk)) { |
| info->has_io_status = true; |
| info->io_status = blk_iostatus(blk); |
| } |
| |
| if (bs && !QLIST_EMPTY(&bs->dirty_bitmaps)) { |
| info->has_dirty_bitmaps = true; |
| info->dirty_bitmaps = bdrv_query_dirty_bitmaps(bs); |
| } |
| |
| if (bs && bs->drv) { |
| info->has_inserted = true; |
| info->inserted = bdrv_block_device_info(blk, bs, errp); |
| if (info->inserted == NULL) { |
| goto err; |
| } |
| } |
| |
| *p_info = info; |
| return; |
| |
| err: |
| qapi_free_BlockInfo(info); |
| } |
| |
| static uint64List *uint64_list(uint64_t *list, int size) |
| { |
| int i; |
| uint64List *out_list = NULL; |
| uint64List **pout_list = &out_list; |
| |
| for (i = 0; i < size; i++) { |
| uint64List *entry = g_new(uint64List, 1); |
| entry->value = list[i]; |
| *pout_list = entry; |
| pout_list = &entry->next; |
| } |
| |
| *pout_list = NULL; |
| |
| return out_list; |
| } |
| |
| static void bdrv_latency_histogram_stats(BlockLatencyHistogram *hist, |
| bool *not_null, |
| BlockLatencyHistogramInfo **info) |
| { |
| *not_null = hist->bins != NULL; |
| if (*not_null) { |
| *info = g_new0(BlockLatencyHistogramInfo, 1); |
| |
| (*info)->boundaries = uint64_list(hist->boundaries, hist->nbins - 1); |
| (*info)->bins = uint64_list(hist->bins, hist->nbins); |
| } |
| } |
| |
| static void bdrv_query_blk_stats(BlockDeviceStats *ds, BlockBackend *blk) |
| { |
| BlockAcctStats *stats = blk_get_stats(blk); |
| BlockAcctTimedStats *ts = NULL; |
| |
| ds->rd_bytes = stats->nr_bytes[BLOCK_ACCT_READ]; |
| ds->wr_bytes = stats->nr_bytes[BLOCK_ACCT_WRITE]; |
| ds->rd_operations = stats->nr_ops[BLOCK_ACCT_READ]; |
| ds->wr_operations = stats->nr_ops[BLOCK_ACCT_WRITE]; |
| |
| ds->failed_rd_operations = stats->failed_ops[BLOCK_ACCT_READ]; |
| ds->failed_wr_operations = stats->failed_ops[BLOCK_ACCT_WRITE]; |
| ds->failed_flush_operations = stats->failed_ops[BLOCK_ACCT_FLUSH]; |
| |
| ds->invalid_rd_operations = stats->invalid_ops[BLOCK_ACCT_READ]; |
| ds->invalid_wr_operations = stats->invalid_ops[BLOCK_ACCT_WRITE]; |
| ds->invalid_flush_operations = |
| stats->invalid_ops[BLOCK_ACCT_FLUSH]; |
| |
| ds->rd_merged = stats->merged[BLOCK_ACCT_READ]; |
| ds->wr_merged = stats->merged[BLOCK_ACCT_WRITE]; |
| ds->flush_operations = stats->nr_ops[BLOCK_ACCT_FLUSH]; |
| ds->wr_total_time_ns = stats->total_time_ns[BLOCK_ACCT_WRITE]; |
| ds->rd_total_time_ns = stats->total_time_ns[BLOCK_ACCT_READ]; |
| ds->flush_total_time_ns = stats->total_time_ns[BLOCK_ACCT_FLUSH]; |
| |
| ds->has_idle_time_ns = stats->last_access_time_ns > 0; |
| if (ds->has_idle_time_ns) { |
| ds->idle_time_ns = block_acct_idle_time_ns(stats); |
| } |
| |
| ds->account_invalid = stats->account_invalid; |
| ds->account_failed = stats->account_failed; |
| |
| while ((ts = block_acct_interval_next(stats, ts))) { |
| BlockDeviceTimedStatsList *timed_stats = |
| g_malloc0(sizeof(*timed_stats)); |
| BlockDeviceTimedStats *dev_stats = g_malloc0(sizeof(*dev_stats)); |
| timed_stats->next = ds->timed_stats; |
| timed_stats->value = dev_stats; |
| ds->timed_stats = timed_stats; |
| |
| TimedAverage *rd = &ts->latency[BLOCK_ACCT_READ]; |
| TimedAverage *wr = &ts->latency[BLOCK_ACCT_WRITE]; |
| TimedAverage *fl = &ts->latency[BLOCK_ACCT_FLUSH]; |
| |
| dev_stats->interval_length = ts->interval_length; |
| |
| dev_stats->min_rd_latency_ns = timed_average_min(rd); |
| dev_stats->max_rd_latency_ns = timed_average_max(rd); |
| dev_stats->avg_rd_latency_ns = timed_average_avg(rd); |
| |
| dev_stats->min_wr_latency_ns = timed_average_min(wr); |
| dev_stats->max_wr_latency_ns = timed_average_max(wr); |
| dev_stats->avg_wr_latency_ns = timed_average_avg(wr); |
| |
| dev_stats->min_flush_latency_ns = timed_average_min(fl); |
| dev_stats->max_flush_latency_ns = timed_average_max(fl); |
| dev_stats->avg_flush_latency_ns = timed_average_avg(fl); |
| |
| dev_stats->avg_rd_queue_depth = |
| block_acct_queue_depth(ts, BLOCK_ACCT_READ); |
| dev_stats->avg_wr_queue_depth = |
| block_acct_queue_depth(ts, BLOCK_ACCT_WRITE); |
| } |
| |
| bdrv_latency_histogram_stats(&stats->latency_histogram[BLOCK_ACCT_READ], |
| &ds->has_rd_latency_histogram, |
| &ds->rd_latency_histogram); |
| bdrv_latency_histogram_stats(&stats->latency_histogram[BLOCK_ACCT_WRITE], |
| &ds->has_wr_latency_histogram, |
| &ds->wr_latency_histogram); |
| bdrv_latency_histogram_stats(&stats->latency_histogram[BLOCK_ACCT_FLUSH], |
| &ds->has_flush_latency_histogram, |
| &ds->flush_latency_histogram); |
| } |
| |
| static BlockStats *bdrv_query_bds_stats(BlockDriverState *bs, |
| bool blk_level) |
| { |
| BlockStats *s = NULL; |
| |
| s = g_malloc0(sizeof(*s)); |
| s->stats = g_malloc0(sizeof(*s->stats)); |
| |
| if (!bs) { |
| return s; |
| } |
| |
| /* Skip automatically inserted nodes that the user isn't aware of in |
| * a BlockBackend-level command. Stay at the exact node for a node-level |
| * command. */ |
| while (blk_level && bs->drv && bs->implicit) { |
| bs = backing_bs(bs); |
| assert(bs); |
| } |
| |
| if (bdrv_get_node_name(bs)[0]) { |
| s->has_node_name = true; |
| s->node_name = g_strdup(bdrv_get_node_name(bs)); |
| } |
| |
| s->stats->wr_highest_offset = stat64_get(&bs->wr_highest_offset); |
| |
| if (bs->file) { |
| s->has_parent = true; |
| s->parent = bdrv_query_bds_stats(bs->file->bs, blk_level); |
| } |
| |
| if (blk_level && bs->backing) { |
| s->has_backing = true; |
| s->backing = bdrv_query_bds_stats(bs->backing->bs, blk_level); |
| } |
| |
| return s; |
| } |
| |
| BlockInfoList *qmp_query_block(Error **errp) |
| { |
| BlockInfoList *head = NULL, **p_next = &head; |
| BlockBackend *blk; |
| Error *local_err = NULL; |
| |
| for (blk = blk_all_next(NULL); blk; blk = blk_all_next(blk)) { |
| BlockInfoList *info; |
| |
| if (!*blk_name(blk) && !blk_get_attached_dev(blk)) { |
| continue; |
| } |
| |
| info = g_malloc0(sizeof(*info)); |
| bdrv_query_info(blk, &info->value, &local_err); |
| if (local_err) { |
| error_propagate(errp, local_err); |
| g_free(info); |
| qapi_free_BlockInfoList(head); |
| return NULL; |
| } |
| |
| *p_next = info; |
| p_next = &info->next; |
| } |
| |
| return head; |
| } |
| |
| BlockStatsList *qmp_query_blockstats(bool has_query_nodes, |
| bool query_nodes, |
| Error **errp) |
| { |
| BlockStatsList *head = NULL, **p_next = &head; |
| BlockBackend *blk; |
| BlockDriverState *bs; |
| |
| /* Just to be safe if query_nodes is not always initialized */ |
| if (has_query_nodes && query_nodes) { |
| for (bs = bdrv_next_node(NULL); bs; bs = bdrv_next_node(bs)) { |
| BlockStatsList *info = g_malloc0(sizeof(*info)); |
| AioContext *ctx = bdrv_get_aio_context(bs); |
| |
| aio_context_acquire(ctx); |
| info->value = bdrv_query_bds_stats(bs, false); |
| aio_context_release(ctx); |
| |
| *p_next = info; |
| p_next = &info->next; |
| } |
| } else { |
| for (blk = blk_all_next(NULL); blk; blk = blk_all_next(blk)) { |
| BlockStatsList *info; |
| AioContext *ctx = blk_get_aio_context(blk); |
| BlockStats *s; |
| char *qdev; |
| |
| if (!*blk_name(blk) && !blk_get_attached_dev(blk)) { |
| continue; |
| } |
| |
| aio_context_acquire(ctx); |
| s = bdrv_query_bds_stats(blk_bs(blk), true); |
| s->has_device = true; |
| s->device = g_strdup(blk_name(blk)); |
| |
| qdev = blk_get_attached_dev_id(blk); |
| if (qdev && *qdev) { |
| s->has_qdev = true; |
| s->qdev = qdev; |
| } else { |
| g_free(qdev); |
| } |
| |
| bdrv_query_blk_stats(s->stats, blk); |
| aio_context_release(ctx); |
| |
| info = g_malloc0(sizeof(*info)); |
| info->value = s; |
| *p_next = info; |
| p_next = &info->next; |
| } |
| } |
| |
| return head; |
| } |
| |
| void bdrv_snapshot_dump(QEMUSnapshotInfo *sn) |
| { |
| char date_buf[128], clock_buf[128]; |
| struct tm tm; |
| time_t ti; |
| int64_t secs; |
| char *sizing = NULL; |
| |
| if (!sn) { |
| qemu_printf("%-10s%-20s%7s%20s%15s", |
| "ID", "TAG", "VM SIZE", "DATE", "VM CLOCK"); |
| } else { |
| ti = sn->date_sec; |
| localtime_r(&ti, &tm); |
| strftime(date_buf, sizeof(date_buf), |
| "%Y-%m-%d %H:%M:%S", &tm); |
| secs = sn->vm_clock_nsec / 1000000000; |
| snprintf(clock_buf, sizeof(clock_buf), |
| "%02d:%02d:%02d.%03d", |
| (int)(secs / 3600), |
| (int)((secs / 60) % 60), |
| (int)(secs % 60), |
| (int)((sn->vm_clock_nsec / 1000000) % 1000)); |
| sizing = size_to_str(sn->vm_state_size); |
| qemu_printf("%-10s%-20s%7s%20s%15s", |
| sn->id_str, sn->name, |
| sizing, |
| date_buf, |
| clock_buf); |
| } |
| g_free(sizing); |
| } |
| |
| static void dump_qdict(int indentation, QDict *dict); |
| static void dump_qlist(int indentation, QList *list); |
| |
| static void dump_qobject(int comp_indent, QObject *obj) |
| { |
| switch (qobject_type(obj)) { |
| case QTYPE_QNUM: { |
| QNum *value = qobject_to(QNum, obj); |
| char *tmp = qnum_to_string(value); |
| qemu_printf("%s", tmp); |
| g_free(tmp); |
| break; |
| } |
| case QTYPE_QSTRING: { |
| QString *value = qobject_to(QString, obj); |
| qemu_printf("%s", qstring_get_str(value)); |
| break; |
| } |
| case QTYPE_QDICT: { |
| QDict *value = qobject_to(QDict, obj); |
| dump_qdict(comp_indent, value); |
| break; |
| } |
| case QTYPE_QLIST: { |
| QList *value = qobject_to(QList, obj); |
| dump_qlist(comp_indent, value); |
| break; |
| } |
| case QTYPE_QBOOL: { |
| QBool *value = qobject_to(QBool, obj); |
| qemu_printf("%s", qbool_get_bool(value) ? "true" : "false"); |
| break; |
| } |
| default: |
| abort(); |
| } |
| } |
| |
| static void dump_qlist(int indentation, QList *list) |
| { |
| const QListEntry *entry; |
| int i = 0; |
| |
| for (entry = qlist_first(list); entry; entry = qlist_next(entry), i++) { |
| QType type = qobject_type(entry->value); |
| bool composite = (type == QTYPE_QDICT || type == QTYPE_QLIST); |
| qemu_printf("%*s[%i]:%c", indentation * 4, "", i, |
| composite ? '\n' : ' '); |
| dump_qobject(indentation + 1, entry->value); |
| if (!composite) { |
| qemu_printf("\n"); |
| } |
| } |
| } |
| |
| static void dump_qdict(int indentation, QDict *dict) |
| { |
| const QDictEntry *entry; |
| |
| for (entry = qdict_first(dict); entry; entry = qdict_next(dict, entry)) { |
| QType type = qobject_type(entry->value); |
| bool composite = (type == QTYPE_QDICT || type == QTYPE_QLIST); |
| char *key = g_malloc(strlen(entry->key) + 1); |
| int i; |
| |
| /* replace dashes with spaces in key (variable) names */ |
| for (i = 0; entry->key[i]; i++) { |
| key[i] = entry->key[i] == '-' ? ' ' : entry->key[i]; |
| } |
| key[i] = 0; |
| qemu_printf("%*s%s:%c", indentation * 4, "", key, |
| composite ? '\n' : ' '); |
| dump_qobject(indentation + 1, entry->value); |
| if (!composite) { |
| qemu_printf("\n"); |
| } |
| g_free(key); |
| } |
| } |
| |
| void bdrv_image_info_specific_dump(ImageInfoSpecific *info_spec) |
| { |
| QObject *obj, *data; |
| Visitor *v = qobject_output_visitor_new(&obj); |
| |
| visit_type_ImageInfoSpecific(v, NULL, &info_spec, &error_abort); |
| visit_complete(v, &obj); |
| data = qdict_get(qobject_to(QDict, obj), "data"); |
| dump_qobject(1, data); |
| qobject_unref(obj); |
| visit_free(v); |
| } |
| |
| void bdrv_image_info_dump(ImageInfo *info) |
| { |
| char *size_buf, *dsize_buf; |
| if (!info->has_actual_size) { |
| dsize_buf = g_strdup("unavailable"); |
| } else { |
| dsize_buf = size_to_str(info->actual_size); |
| } |
| size_buf = size_to_str(info->virtual_size); |
| qemu_printf("image: %s\n" |
| "file format: %s\n" |
| "virtual size: %s (%" PRId64 " bytes)\n" |
| "disk size: %s\n", |
| info->filename, info->format, size_buf, |
| info->virtual_size, |
| dsize_buf); |
| g_free(size_buf); |
| g_free(dsize_buf); |
| |
| if (info->has_encrypted && info->encrypted) { |
| qemu_printf("encrypted: yes\n"); |
| } |
| |
| if (info->has_cluster_size) { |
| qemu_printf("cluster_size: %" PRId64 "\n", |
| info->cluster_size); |
| } |
| |
| if (info->has_dirty_flag && info->dirty_flag) { |
| qemu_printf("cleanly shut down: no\n"); |
| } |
| |
| if (info->has_backing_filename) { |
| qemu_printf("backing file: %s", info->backing_filename); |
| if (!info->has_full_backing_filename) { |
| qemu_printf(" (cannot determine actual path)"); |
| } else if (strcmp(info->backing_filename, |
| info->full_backing_filename) != 0) { |
| qemu_printf(" (actual path: %s)", info->full_backing_filename); |
| } |
| qemu_printf("\n"); |
| if (info->has_backing_filename_format) { |
| qemu_printf("backing file format: %s\n", |
| info->backing_filename_format); |
| } |
| } |
| |
| if (info->has_snapshots) { |
| SnapshotInfoList *elem; |
| |
| qemu_printf("Snapshot list:\n"); |
| bdrv_snapshot_dump(NULL); |
| qemu_printf("\n"); |
| |
| /* Ideally bdrv_snapshot_dump() would operate on SnapshotInfoList but |
| * we convert to the block layer's native QEMUSnapshotInfo for now. |
| */ |
| for (elem = info->snapshots; elem; elem = elem->next) { |
| QEMUSnapshotInfo sn = { |
| .vm_state_size = elem->value->vm_state_size, |
| .date_sec = elem->value->date_sec, |
| .date_nsec = elem->value->date_nsec, |
| .vm_clock_nsec = elem->value->vm_clock_sec * 1000000000ULL + |
| elem->value->vm_clock_nsec, |
| }; |
| |
| pstrcpy(sn.id_str, sizeof(sn.id_str), elem->value->id); |
| pstrcpy(sn.name, sizeof(sn.name), elem->value->name); |
| bdrv_snapshot_dump(&sn); |
| qemu_printf("\n"); |
| } |
| } |
| |
| if (info->has_format_specific) { |
| qemu_printf("Format specific information:\n"); |
| bdrv_image_info_specific_dump(info->format_specific); |
| } |
| } |