diff options
Diffstat (limited to 'qemu/block/qapi.c')
-rw-r--r-- | qemu/block/qapi.c | 783 |
1 files changed, 0 insertions, 783 deletions
diff --git a/qemu/block/qapi.c b/qemu/block/qapi.c deleted file mode 100644 index c5f6ba643..000000000 --- a/qemu/block/qapi.c +++ /dev/null @@ -1,783 +0,0 @@ -/* - * 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 "block/qapi.h" -#include "block/block_int.h" -#include "block/throttle-groups.h" -#include "block/write-threshold.h" -#include "qmp-commands.h" -#include "qapi-visit.h" -#include "qapi/qmp-output-visitor.h" -#include "qapi/qmp/types.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 = 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 (bs->throttle_state) { - ThrottleConfig cfg; - - throttle_group_get_config(bs, &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(bs)); - } - - 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; -} - -/** - * 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 size of device '%s'", - bdrv_get_device_name(bs)); - goto out; - } - - 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); - info->has_format_specific = info->format_specific != NULL; - - backing_filename = bs->backing_file; - if (backing_filename[0] != '\0') { - char *backing_filename2 = g_malloc0(PATH_MAX); - info->backing_filename = g_strdup(backing_filename); - info->has_backing_filename = true; - bdrv_get_full_backing_filename(bs, backing_filename2, PATH_MAX, &err); - if (err) { - /* Can't reconstruct the full backing filename, so we must omit - * this field and apply a Best Effort to this query. */ - g_free(backing_filename2); - backing_filename2 = NULL; - error_free(err); - err = 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); - 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); - - 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 BlockStats *bdrv_query_stats(BlockBackend *blk, - const BlockDriverState *bs, - bool query_backing); - -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); - } -} - -static void bdrv_query_bds_stats(BlockStats *s, const BlockDriverState *bs, - bool query_backing) -{ - 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 = bs->wr_highest_offset; - - if (bs->file) { - s->has_parent = true; - s->parent = bdrv_query_stats(NULL, bs->file->bs, query_backing); - } - - if (query_backing && bs->backing) { - s->has_backing = true; - s->backing = bdrv_query_stats(NULL, bs->backing->bs, query_backing); - } - -} - -static BlockStats *bdrv_query_stats(BlockBackend *blk, - const BlockDriverState *bs, - bool query_backing) -{ - BlockStats *s; - - s = g_malloc0(sizeof(*s)); - s->stats = g_malloc0(sizeof(*s->stats)); - - if (blk) { - s->has_device = true; - s->device = g_strdup(blk_name(blk)); - bdrv_query_blk_stats(s->stats, blk); - } - if (bs) { - bdrv_query_bds_stats(s, bs, query_backing); - } - - return s; -} - -BlockInfoList *qmp_query_block(Error **errp) -{ - BlockInfoList *head = NULL, **p_next = &head; - BlockBackend *blk; - Error *local_err = NULL; - - for (blk = blk_next(NULL); blk; blk = blk_next(blk)) { - BlockInfoList *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; -} - -static bool next_query_bds(BlockBackend **blk, BlockDriverState **bs, - bool query_nodes) -{ - if (query_nodes) { - *bs = bdrv_next_node(*bs); - return !!*bs; - } - - *blk = blk_next(*blk); - *bs = *blk ? blk_bs(*blk) : NULL; - - return !!*blk; -} - -BlockStatsList *qmp_query_blockstats(bool has_query_nodes, - bool query_nodes, - Error **errp) -{ - BlockStatsList *head = NULL, **p_next = &head; - BlockBackend *blk = NULL; - BlockDriverState *bs = NULL; - - /* Just to be safe if query_nodes is not always initialized */ - query_nodes = has_query_nodes && query_nodes; - - while (next_query_bds(&blk, &bs, query_nodes)) { - BlockStatsList *info = g_malloc0(sizeof(*info)); - AioContext *ctx = blk ? blk_get_aio_context(blk) - : bdrv_get_aio_context(bs); - - aio_context_acquire(ctx); - info->value = bdrv_query_stats(blk, bs, !query_nodes); - aio_context_release(ctx); - - *p_next = info; - p_next = &info->next; - } - - return head; -} - -#define NB_SUFFIXES 4 - -static char *get_human_readable_size(char *buf, int buf_size, int64_t size) -{ - static const char suffixes[NB_SUFFIXES] = {'K', 'M', 'G', 'T'}; - int64_t base; - int i; - - if (size <= 999) { - snprintf(buf, buf_size, "%" PRId64, size); - } else { - base = 1024; - for (i = 0; i < NB_SUFFIXES; i++) { - if (size < (10 * base)) { - snprintf(buf, buf_size, "%0.1f%c", - (double)size / base, - suffixes[i]); - break; - } else if (size < (1000 * base) || i == (NB_SUFFIXES - 1)) { - snprintf(buf, buf_size, "%" PRId64 "%c", - ((size + (base >> 1)) / base), - suffixes[i]); - break; - } - base = base * 1024; - } - } - return buf; -} - -void bdrv_snapshot_dump(fprintf_function func_fprintf, void *f, - QEMUSnapshotInfo *sn) -{ - char buf1[128], date_buf[128], clock_buf[128]; - struct tm tm; - time_t ti; - int64_t secs; - - if (!sn) { - func_fprintf(f, - "%-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)); - func_fprintf(f, - "%-10s%-20s%7s%20s%15s", - sn->id_str, sn->name, - get_human_readable_size(buf1, sizeof(buf1), - sn->vm_state_size), - date_buf, - clock_buf); - } -} - -static void dump_qdict(fprintf_function func_fprintf, void *f, int indentation, - QDict *dict); -static void dump_qlist(fprintf_function func_fprintf, void *f, int indentation, - QList *list); - -static void dump_qobject(fprintf_function func_fprintf, void *f, - int comp_indent, QObject *obj) -{ - switch (qobject_type(obj)) { - case QTYPE_QINT: { - QInt *value = qobject_to_qint(obj); - func_fprintf(f, "%" PRId64, qint_get_int(value)); - break; - } - case QTYPE_QSTRING: { - QString *value = qobject_to_qstring(obj); - func_fprintf(f, "%s", qstring_get_str(value)); - break; - } - case QTYPE_QDICT: { - QDict *value = qobject_to_qdict(obj); - dump_qdict(func_fprintf, f, comp_indent, value); - break; - } - case QTYPE_QLIST: { - QList *value = qobject_to_qlist(obj); - dump_qlist(func_fprintf, f, comp_indent, value); - break; - } - case QTYPE_QFLOAT: { - QFloat *value = qobject_to_qfloat(obj); - func_fprintf(f, "%g", qfloat_get_double(value)); - break; - } - case QTYPE_QBOOL: { - QBool *value = qobject_to_qbool(obj); - func_fprintf(f, "%s", qbool_get_bool(value) ? "true" : "false"); - break; - } - default: - abort(); - } -} - -static void dump_qlist(fprintf_function func_fprintf, void *f, 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); - func_fprintf(f, "%*s[%i]:%c", indentation * 4, "", i, - composite ? '\n' : ' '); - dump_qobject(func_fprintf, f, indentation + 1, entry->value); - if (!composite) { - func_fprintf(f, "\n"); - } - } -} - -static void dump_qdict(fprintf_function func_fprintf, void *f, 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; - func_fprintf(f, "%*s%s:%c", indentation * 4, "", key, - composite ? '\n' : ' '); - dump_qobject(func_fprintf, f, indentation + 1, entry->value); - if (!composite) { - func_fprintf(f, "\n"); - } - g_free(key); - } -} - -void bdrv_image_info_specific_dump(fprintf_function func_fprintf, void *f, - ImageInfoSpecific *info_spec) -{ - QmpOutputVisitor *ov = qmp_output_visitor_new(); - QObject *obj, *data; - - visit_type_ImageInfoSpecific(qmp_output_get_visitor(ov), NULL, &info_spec, - &error_abort); - obj = qmp_output_get_qobject(ov); - assert(qobject_type(obj) == QTYPE_QDICT); - data = qdict_get(qobject_to_qdict(obj), "data"); - dump_qobject(func_fprintf, f, 1, data); - qmp_output_visitor_cleanup(ov); -} - -void bdrv_image_info_dump(fprintf_function func_fprintf, void *f, - ImageInfo *info) -{ - char size_buf[128], dsize_buf[128]; - if (!info->has_actual_size) { - snprintf(dsize_buf, sizeof(dsize_buf), "unavailable"); - } else { - get_human_readable_size(dsize_buf, sizeof(dsize_buf), - info->actual_size); - } - get_human_readable_size(size_buf, sizeof(size_buf), info->virtual_size); - func_fprintf(f, - "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); - - if (info->has_encrypted && info->encrypted) { - func_fprintf(f, "encrypted: yes\n"); - } - - if (info->has_cluster_size) { - func_fprintf(f, "cluster_size: %" PRId64 "\n", - info->cluster_size); - } - - if (info->has_dirty_flag && info->dirty_flag) { - func_fprintf(f, "cleanly shut down: no\n"); - } - - if (info->has_backing_filename) { - func_fprintf(f, "backing file: %s", info->backing_filename); - if (!info->has_full_backing_filename) { - func_fprintf(f, " (cannot determine actual path)"); - } else if (strcmp(info->backing_filename, - info->full_backing_filename) != 0) { - func_fprintf(f, " (actual path: %s)", info->full_backing_filename); - } - func_fprintf(f, "\n"); - if (info->has_backing_filename_format) { - func_fprintf(f, "backing file format: %s\n", - info->backing_filename_format); - } - } - - if (info->has_snapshots) { - SnapshotInfoList *elem; - - func_fprintf(f, "Snapshot list:\n"); - bdrv_snapshot_dump(func_fprintf, f, NULL); - func_fprintf(f, "\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(func_fprintf, f, &sn); - func_fprintf(f, "\n"); - } - } - - if (info->has_format_specific) { - func_fprintf(f, "Format specific information:\n"); - bdrv_image_info_specific_dump(func_fprintf, f, info->format_specific); - } -} |