diff options
| -rw-r--r-- | block/monitor/block-hmp-cmds.c | 389 | ||||
| -rw-r--r-- | include/block/block-hmp-cmds.h | 4 | ||||
| -rw-r--r-- | include/monitor/hmp.h | 4 | ||||
| -rw-r--r-- | monitor/hmp-cmds.c | 388 |
4 files changed, 393 insertions, 392 deletions
diff --git a/block/monitor/block-hmp-cmds.c b/block/monitor/block-hmp-cmds.c index 5beb7df2f7..aebf1dce0d 100644 --- a/block/monitor/block-hmp-cmds.c +++ b/block/monitor/block-hmp-cmds.c @@ -46,10 +46,12 @@ #include "qemu/config-file.h" #include "qemu/option.h" #include "qemu/sockets.h" +#include "qemu/cutils.h" #include "sysemu/sysemu.h" #include "monitor/monitor.h" #include "monitor/hmp.h" #include "block/nbd.h" +#include "block/qapi.h" #include "block/block_int.h" #include "block/block-hmp-cmds.h" #include "qemu-io.h" @@ -594,3 +596,390 @@ fail: blk_unref(local_blk); hmp_handle_error(mon, err); } + +static void print_block_info(Monitor *mon, BlockInfo *info, + BlockDeviceInfo *inserted, bool verbose) +{ + ImageInfo *image_info; + + assert(!info || !info->has_inserted || info->inserted == inserted); + + if (info && *info->device) { + monitor_printf(mon, "%s", info->device); + if (inserted && inserted->has_node_name) { + monitor_printf(mon, " (%s)", inserted->node_name); + } + } else { + assert(info || inserted); + monitor_printf(mon, "%s", + inserted && inserted->has_node_name ? inserted->node_name + : info && info->has_qdev ? info->qdev + : "<anonymous>"); + } + + if (inserted) { + monitor_printf(mon, ": %s (%s%s%s)\n", + inserted->file, + inserted->drv, + inserted->ro ? ", read-only" : "", + inserted->encrypted ? ", encrypted" : ""); + } else { + monitor_printf(mon, ": [not inserted]\n"); + } + + if (info) { + if (info->has_qdev) { + monitor_printf(mon, " Attached to: %s\n", info->qdev); + } + if (info->has_io_status && info->io_status != BLOCK_DEVICE_IO_STATUS_OK) { + monitor_printf(mon, " I/O status: %s\n", + BlockDeviceIoStatus_str(info->io_status)); + } + + if (info->removable) { + monitor_printf(mon, " Removable device: %slocked, tray %s\n", + info->locked ? "" : "not ", + info->tray_open ? "open" : "closed"); + } + } + + + if (!inserted) { + return; + } + + monitor_printf(mon, " Cache mode: %s%s%s\n", + inserted->cache->writeback ? "writeback" : "writethrough", + inserted->cache->direct ? ", direct" : "", + inserted->cache->no_flush ? ", ignore flushes" : ""); + + if (inserted->has_backing_file) { + monitor_printf(mon, + " Backing file: %s " + "(chain depth: %" PRId64 ")\n", + inserted->backing_file, + inserted->backing_file_depth); + } + + if (inserted->detect_zeroes != BLOCKDEV_DETECT_ZEROES_OPTIONS_OFF) { + monitor_printf(mon, " Detect zeroes: %s\n", + BlockdevDetectZeroesOptions_str(inserted->detect_zeroes)); + } + + if (inserted->bps || inserted->bps_rd || inserted->bps_wr || + inserted->iops || inserted->iops_rd || inserted->iops_wr) + { + monitor_printf(mon, " I/O throttling: bps=%" PRId64 + " bps_rd=%" PRId64 " bps_wr=%" PRId64 + " bps_max=%" PRId64 + " bps_rd_max=%" PRId64 + " bps_wr_max=%" PRId64 + " iops=%" PRId64 " iops_rd=%" PRId64 + " iops_wr=%" PRId64 + " iops_max=%" PRId64 + " iops_rd_max=%" PRId64 + " iops_wr_max=%" PRId64 + " iops_size=%" PRId64 + " group=%s\n", + inserted->bps, + inserted->bps_rd, + inserted->bps_wr, + inserted->bps_max, + inserted->bps_rd_max, + inserted->bps_wr_max, + inserted->iops, + inserted->iops_rd, + inserted->iops_wr, + inserted->iops_max, + inserted->iops_rd_max, + inserted->iops_wr_max, + inserted->iops_size, + inserted->group); + } + + if (verbose) { + monitor_printf(mon, "\nImages:\n"); + image_info = inserted->image; + while (1) { + bdrv_image_info_dump(image_info); + if (image_info->has_backing_image) { + image_info = image_info->backing_image; + } else { + break; + } + } + } +} + +void hmp_info_block(Monitor *mon, const QDict *qdict) +{ + BlockInfoList *block_list, *info; + BlockDeviceInfoList *blockdev_list, *blockdev; + const char *device = qdict_get_try_str(qdict, "device"); + bool verbose = qdict_get_try_bool(qdict, "verbose", false); + bool nodes = qdict_get_try_bool(qdict, "nodes", false); + bool printed = false; + + /* Print BlockBackend information */ + if (!nodes) { + block_list = qmp_query_block(NULL); + } else { + block_list = NULL; + } + + for (info = block_list; info; info = info->next) { + if (device && strcmp(device, info->value->device)) { + continue; + } + + if (info != block_list) { + monitor_printf(mon, "\n"); + } + + print_block_info(mon, info->value, info->value->has_inserted + ? info->value->inserted : NULL, + verbose); + printed = true; + } + + qapi_free_BlockInfoList(block_list); + + if ((!device && !nodes) || printed) { + return; + } + + /* Print node information */ + blockdev_list = qmp_query_named_block_nodes(false, false, NULL); + for (blockdev = blockdev_list; blockdev; blockdev = blockdev->next) { + assert(blockdev->value->has_node_name); + if (device && strcmp(device, blockdev->value->node_name)) { + continue; + } + + if (blockdev != blockdev_list) { + monitor_printf(mon, "\n"); + } + + print_block_info(mon, NULL, blockdev->value, verbose); + } + qapi_free_BlockDeviceInfoList(blockdev_list); +} + +void hmp_info_blockstats(Monitor *mon, const QDict *qdict) +{ + BlockStatsList *stats_list, *stats; + + stats_list = qmp_query_blockstats(false, false, NULL); + + for (stats = stats_list; stats; stats = stats->next) { + if (!stats->value->has_device) { + continue; + } + + monitor_printf(mon, "%s:", stats->value->device); + monitor_printf(mon, " rd_bytes=%" PRId64 + " wr_bytes=%" PRId64 + " rd_operations=%" PRId64 + " wr_operations=%" PRId64 + " flush_operations=%" PRId64 + " wr_total_time_ns=%" PRId64 + " rd_total_time_ns=%" PRId64 + " flush_total_time_ns=%" PRId64 + " rd_merged=%" PRId64 + " wr_merged=%" PRId64 + " idle_time_ns=%" PRId64 + "\n", + stats->value->stats->rd_bytes, + stats->value->stats->wr_bytes, + stats->value->stats->rd_operations, + stats->value->stats->wr_operations, + stats->value->stats->flush_operations, + stats->value->stats->wr_total_time_ns, + stats->value->stats->rd_total_time_ns, + stats->value->stats->flush_total_time_ns, + stats->value->stats->rd_merged, + stats->value->stats->wr_merged, + stats->value->stats->idle_time_ns); + } + + qapi_free_BlockStatsList(stats_list); +} + +void hmp_info_block_jobs(Monitor *mon, const QDict *qdict) +{ + BlockJobInfoList *list; + Error *err = NULL; + + list = qmp_query_block_jobs(&err); + assert(!err); + + if (!list) { + monitor_printf(mon, "No active jobs\n"); + return; + } + + while (list) { + if (strcmp(list->value->type, "stream") == 0) { + monitor_printf(mon, "Streaming device %s: Completed %" PRId64 + " of %" PRId64 " bytes, speed limit %" PRId64 + " bytes/s\n", + list->value->device, + list->value->offset, + list->value->len, + list->value->speed); + } else { + monitor_printf(mon, "Type %s, device %s: Completed %" PRId64 + " of %" PRId64 " bytes, speed limit %" PRId64 + " bytes/s\n", + list->value->type, + list->value->device, + list->value->offset, + list->value->len, + list->value->speed); + } + list = list->next; + } + + qapi_free_BlockJobInfoList(list); +} + +void hmp_info_snapshots(Monitor *mon, const QDict *qdict) +{ + BlockDriverState *bs, *bs1; + BdrvNextIterator it1; + QEMUSnapshotInfo *sn_tab, *sn; + bool no_snapshot = true; + int nb_sns, i; + int total; + int *global_snapshots; + AioContext *aio_context; + + typedef struct SnapshotEntry { + QEMUSnapshotInfo sn; + QTAILQ_ENTRY(SnapshotEntry) next; + } SnapshotEntry; + + typedef struct ImageEntry { + const char *imagename; + QTAILQ_ENTRY(ImageEntry) next; + QTAILQ_HEAD(, SnapshotEntry) snapshots; + } ImageEntry; + + QTAILQ_HEAD(, ImageEntry) image_list = + QTAILQ_HEAD_INITIALIZER(image_list); + + ImageEntry *image_entry, *next_ie; + SnapshotEntry *snapshot_entry; + + bs = bdrv_all_find_vmstate_bs(); + if (!bs) { + monitor_printf(mon, "No available block device supports snapshots\n"); + return; + } + aio_context = bdrv_get_aio_context(bs); + + aio_context_acquire(aio_context); + nb_sns = bdrv_snapshot_list(bs, &sn_tab); + aio_context_release(aio_context); + + if (nb_sns < 0) { + monitor_printf(mon, "bdrv_snapshot_list: error %d\n", nb_sns); + return; + } + + for (bs1 = bdrv_first(&it1); bs1; bs1 = bdrv_next(&it1)) { + int bs1_nb_sns = 0; + ImageEntry *ie; + SnapshotEntry *se; + AioContext *ctx = bdrv_get_aio_context(bs1); + + aio_context_acquire(ctx); + if (bdrv_can_snapshot(bs1)) { + sn = NULL; + bs1_nb_sns = bdrv_snapshot_list(bs1, &sn); + if (bs1_nb_sns > 0) { + no_snapshot = false; + ie = g_new0(ImageEntry, 1); + ie->imagename = bdrv_get_device_name(bs1); + QTAILQ_INIT(&ie->snapshots); + QTAILQ_INSERT_TAIL(&image_list, ie, next); + for (i = 0; i < bs1_nb_sns; i++) { + se = g_new0(SnapshotEntry, 1); + se->sn = sn[i]; + QTAILQ_INSERT_TAIL(&ie->snapshots, se, next); + } + } + g_free(sn); + } + aio_context_release(ctx); + } + + if (no_snapshot) { + monitor_printf(mon, "There is no snapshot available.\n"); + return; + } + + global_snapshots = g_new0(int, nb_sns); + total = 0; + for (i = 0; i < nb_sns; i++) { + SnapshotEntry *next_sn; + if (bdrv_all_find_snapshot(sn_tab[i].name, &bs1) == 0) { + global_snapshots[total] = i; + total++; + QTAILQ_FOREACH(image_entry, &image_list, next) { + QTAILQ_FOREACH_SAFE(snapshot_entry, &image_entry->snapshots, + next, next_sn) { + if (!strcmp(sn_tab[i].name, snapshot_entry->sn.name)) { + QTAILQ_REMOVE(&image_entry->snapshots, snapshot_entry, + next); + g_free(snapshot_entry); + } + } + } + } + } + monitor_printf(mon, "List of snapshots present on all disks:\n"); + + if (total > 0) { + bdrv_snapshot_dump(NULL); + monitor_printf(mon, "\n"); + for (i = 0; i < total; i++) { + sn = &sn_tab[global_snapshots[i]]; + /* + * The ID is not guaranteed to be the same on all images, so + * overwrite it. + */ + pstrcpy(sn->id_str, sizeof(sn->id_str), "--"); + bdrv_snapshot_dump(sn); + monitor_printf(mon, "\n"); + } + } else { + monitor_printf(mon, "None\n"); + } + + QTAILQ_FOREACH(image_entry, &image_list, next) { + if (QTAILQ_EMPTY(&image_entry->snapshots)) { + continue; + } + monitor_printf(mon, + "\nList of partial (non-loadable) snapshots on '%s':\n", + image_entry->imagename); + bdrv_snapshot_dump(NULL); + monitor_printf(mon, "\n"); + QTAILQ_FOREACH(snapshot_entry, &image_entry->snapshots, next) { + bdrv_snapshot_dump(&snapshot_entry->sn); + monitor_printf(mon, "\n"); + } + } + + QTAILQ_FOREACH_SAFE(image_entry, &image_list, next, next_ie) { + SnapshotEntry *next_sn; + QTAILQ_FOREACH_SAFE(snapshot_entry, &image_entry->snapshots, next, + next_sn) { + g_free(snapshot_entry); + } + g_free(image_entry); + } + g_free(sn_tab); + g_free(global_snapshots); +} diff --git a/include/block/block-hmp-cmds.h b/include/block/block-hmp-cmds.h index c2d18fba06..3412e108ca 100644 --- a/include/block/block-hmp-cmds.h +++ b/include/block/block-hmp-cmds.h @@ -46,5 +46,9 @@ void hmp_eject(Monitor *mon, const QDict *qdict); void hmp_qemu_io(Monitor *mon, const QDict *qdict); +void hmp_info_block(Monitor *mon, const QDict *qdict); +void hmp_info_blockstats(Monitor *mon, const QDict *qdict); +void hmp_info_block_jobs(Monitor *mon, const QDict *qdict); +void hmp_info_snapshots(Monitor *mon, const QDict *qdict); #endif diff --git a/include/monitor/hmp.h b/include/monitor/hmp.h index 47a7cad734..e33ca5a911 100644 --- a/include/monitor/hmp.h +++ b/include/monitor/hmp.h @@ -30,8 +30,6 @@ void hmp_info_migrate_capabilities(Monitor *mon, const QDict *qdict); void hmp_info_migrate_parameters(Monitor *mon, const QDict *qdict); void hmp_info_migrate_cache_size(Monitor *mon, const QDict *qdict); void hmp_info_cpus(Monitor *mon, const QDict *qdict); -void hmp_info_block(Monitor *mon, const QDict *qdict); -void hmp_info_blockstats(Monitor *mon, const QDict *qdict); void hmp_info_vnc(Monitor *mon, const QDict *qdict); void hmp_info_spice(Monitor *mon, const QDict *qdict); void hmp_info_balloon(Monitor *mon, const QDict *qdict); @@ -39,7 +37,6 @@ void hmp_info_irq(Monitor *mon, const QDict *qdict); void hmp_info_pic(Monitor *mon, const QDict *qdict); void hmp_info_rdma(Monitor *mon, const QDict *qdict); void hmp_info_pci(Monitor *mon, const QDict *qdict); -void hmp_info_block_jobs(Monitor *mon, const QDict *qdict); void hmp_info_tpm(Monitor *mon, const QDict *qdict); void hmp_info_iothreads(Monitor *mon, const QDict *qdict); void hmp_quit(Monitor *mon, const QDict *qdict); @@ -62,7 +59,6 @@ void hmp_balloon(Monitor *mon, const QDict *qdict); void hmp_loadvm(Monitor *mon, const QDict *qdict); void hmp_savevm(Monitor *mon, const QDict *qdict); void hmp_delvm(Monitor *mon, const QDict *qdict); -void hmp_info_snapshots(Monitor *mon, const QDict *qdict); void hmp_migrate_cancel(Monitor *mon, const QDict *qdict); void hmp_migrate_continue(Monitor *mon, const QDict *qdict); void hmp_migrate_incoming(Monitor *mon, const QDict *qdict); diff --git a/monitor/hmp-cmds.c b/monitor/hmp-cmds.c index 42870ad001..1c69d51b97 100644 --- a/monitor/hmp-cmds.c +++ b/monitor/hmp-cmds.c @@ -47,7 +47,6 @@ #include "qapi/string-output-visitor.h" #include "qom/object_interfaces.h" #include "ui/console.h" -#include "block/qapi.h" #include "qemu/cutils.h" #include "qemu/error-report.h" #include "exec/ramlist.h" @@ -470,213 +469,6 @@ void hmp_info_migrate_cache_size(Monitor *mon, const QDict *qdict) qmp_query_migrate_cache_size(NULL) >> 10); } -static void print_block_info(Monitor *mon, BlockInfo *info, - BlockDeviceInfo *inserted, bool verbose) -{ - ImageInfo *image_info; - - assert(!info || !info->has_inserted || info->inserted == inserted); - - if (info && *info->device) { - monitor_printf(mon, "%s", info->device); - if (inserted && inserted->has_node_name) { - monitor_printf(mon, " (%s)", inserted->node_name); - } - } else { - assert(info || inserted); - monitor_printf(mon, "%s", - inserted && inserted->has_node_name ? inserted->node_name - : info && info->has_qdev ? info->qdev - : "<anonymous>"); - } - - if (inserted) { - monitor_printf(mon, ": %s (%s%s%s)\n", - inserted->file, - inserted->drv, - inserted->ro ? ", read-only" : "", - inserted->encrypted ? ", encrypted" : ""); - } else { - monitor_printf(mon, ": [not inserted]\n"); - } - - if (info) { - if (info->has_qdev) { - monitor_printf(mon, " Attached to: %s\n", info->qdev); - } - if (info->has_io_status && info->io_status != BLOCK_DEVICE_IO_STATUS_OK) { - monitor_printf(mon, " I/O status: %s\n", - BlockDeviceIoStatus_str(info->io_status)); - } - - if (info->removable) { - monitor_printf(mon, " Removable device: %slocked, tray %s\n", - info->locked ? "" : "not ", - info->tray_open ? "open" : "closed"); - } - } - - - if (!inserted) { - return; - } - - monitor_printf(mon, " Cache mode: %s%s%s\n", - inserted->cache->writeback ? "writeback" : "writethrough", - inserted->cache->direct ? ", direct" : "", - inserted->cache->no_flush ? ", ignore flushes" : ""); - - if (inserted->has_backing_file) { - monitor_printf(mon, - " Backing file: %s " - "(chain depth: %" PRId64 ")\n", - inserted->backing_file, - inserted->backing_file_depth); - } - - if (inserted->detect_zeroes != BLOCKDEV_DETECT_ZEROES_OPTIONS_OFF) { - monitor_printf(mon, " Detect zeroes: %s\n", - BlockdevDetectZeroesOptions_str(inserted->detect_zeroes)); - } - - if (inserted->bps || inserted->bps_rd || inserted->bps_wr || - inserted->iops || inserted->iops_rd || inserted->iops_wr) - { - monitor_printf(mon, " I/O throttling: bps=%" PRId64 - " bps_rd=%" PRId64 " bps_wr=%" PRId64 - " bps_max=%" PRId64 - " bps_rd_max=%" PRId64 - " bps_wr_max=%" PRId64 - " iops=%" PRId64 " iops_rd=%" PRId64 - " iops_wr=%" PRId64 - " iops_max=%" PRId64 - " iops_rd_max=%" PRId64 - " iops_wr_max=%" PRId64 - " iops_size=%" PRId64 - " group=%s\n", - inserted->bps, - inserted->bps_rd, - inserted->bps_wr, - inserted->bps_max, - inserted->bps_rd_max, - inserted->bps_wr_max, - inserted->iops, - inserted->iops_rd, - inserted->iops_wr, - inserted->iops_max, - inserted->iops_rd_max, - inserted->iops_wr_max, - inserted->iops_size, - inserted->group); - } - - if (verbose) { - monitor_printf(mon, "\nImages:\n"); - image_info = inserted->image; - while (1) { - bdrv_image_info_dump(image_info); - if (image_info->has_backing_image) { - image_info = image_info->backing_image; - } else { - break; - } - } - } -} - -void hmp_info_block(Monitor *mon, const QDict *qdict) -{ - BlockInfoList *block_list, *info; - BlockDeviceInfoList *blockdev_list, *blockdev; - const char *device = qdict_get_try_str(qdict, "device"); - bool verbose = qdict_get_try_bool(qdict, "verbose", false); - bool nodes = qdict_get_try_bool(qdict, "nodes", false); - bool printed = false; - - /* Print BlockBackend information */ - if (!nodes) { - block_list = qmp_query_block(NULL); - } else { - block_list = NULL; - } - - for (info = block_list; info; info = info->next) { - if (device && strcmp(device, info->value->device)) { - continue; - } - - if (info != block_list) { - monitor_printf(mon, "\n"); - } - - print_block_info(mon, info->value, info->value->has_inserted - ? info->value->inserted : NULL, - verbose); - printed = true; - } - - qapi_free_BlockInfoList(block_list); - - if ((!device && !nodes) || printed) { - return; - } - - /* Print node information */ - blockdev_list = qmp_query_named_block_nodes(false, false, NULL); - for (blockdev = blockdev_list; blockdev; blockdev = blockdev->next) { - assert(blockdev->value->has_node_name); - if (device && strcmp(device, blockdev->value->node_name)) { - continue; - } - - if (blockdev != blockdev_list) { - monitor_printf(mon, "\n"); - } - - print_block_info(mon, NULL, blockdev->value, verbose); - } - qapi_free_BlockDeviceInfoList(blockdev_list); -} - -void hmp_info_blockstats(Monitor *mon, const QDict *qdict) -{ - BlockStatsList *stats_list, *stats; - - stats_list = qmp_query_blockstats(false, false, NULL); - - for (stats = stats_list; stats; stats = stats->next) { - if (!stats->value->has_device) { - continue; - } - - monitor_printf(mon, "%s:", stats->value->device); - monitor_printf(mon, " rd_bytes=%" PRId64 - " wr_bytes=%" PRId64 - " rd_operations=%" PRId64 - " wr_operations=%" PRId64 - " flush_operations=%" PRId64 - " wr_total_time_ns=%" PRId64 - " rd_total_time_ns=%" PRId64 - " flush_total_time_ns=%" PRId64 - " rd_merged=%" PRId64 - " wr_merged=%" PRId64 - " idle_time_ns=%" PRId64 - "\n", - stats->value->stats->rd_bytes, - stats->value->stats->wr_bytes, - stats->value->stats->rd_operations, - stats->value->stats->wr_operations, - stats->value->stats->flush_operations, - stats->value->stats->wr_total_time_ns, - stats->value->stats->rd_total_time_ns, - stats->value->stats->flush_total_time_ns, - stats->value->stats->rd_merged, - stats->value->stats->wr_merged, - stats->value->stats->idle_time_ns); - } - - qapi_free_BlockStatsList(stats_list); -} #ifdef CONFIG_VNC /* Helper for hmp_info_vnc_clients, _servers */ @@ -1056,44 +848,6 @@ void hmp_info_pci(Monitor *mon, const QDict *qdict) qapi_free_PciInfoList(info_list); } -void hmp_info_block_jobs(Monitor *mon, const QDict *qdict) -{ - BlockJobInfoList *list; - Error *err = NULL; - - list = qmp_query_block_jobs(&err); - assert(!err); - - if (!list) { - monitor_printf(mon, "No active jobs\n"); - return; - } - - while (list) { - if (strcmp(list->value->type, "stream") == 0) { - monitor_printf(mon, "Streaming device %s: Completed %" PRId64 - " of %" PRId64 " bytes, speed limit %" PRId64 - " bytes/s\n", - list->value->device, - list->value->offset, - list->value->len, - list->value->speed); - } else { - monitor_printf(mon, "Type %s, device %s: Completed %" PRId64 - " of %" PRId64 " bytes, speed limit %" PRId64 - " bytes/s\n", - list->value->type, - list->value->device, - list->value->offset, - list->value->len, - list->value->speed); - } - list = list->next; - } - - qapi_free_BlockJobInfoList(list); -} - void hmp_info_tpm(Monitor *mon, const QDict *qdict) { TPMInfoList *info_list, *info; @@ -1356,148 +1110,6 @@ void hmp_delvm(Monitor *mon, const QDict *qdict) hmp_handle_error(mon, err); } -void hmp_info_snapshots(Monitor *mon, const QDict *qdict) -{ - BlockDriverState *bs, *bs1; - BdrvNextIterator it1; - QEMUSnapshotInfo *sn_tab, *sn; - bool no_snapshot = true; - int nb_sns, i; - int total; - int *global_snapshots; - AioContext *aio_context; - - typedef struct SnapshotEntry { - QEMUSnapshotInfo sn; - QTAILQ_ENTRY(SnapshotEntry) next; - } SnapshotEntry; - - typedef struct ImageEntry { - const char *imagename; - QTAILQ_ENTRY(ImageEntry) next; - QTAILQ_HEAD(, SnapshotEntry) snapshots; - } ImageEntry; - - QTAILQ_HEAD(, ImageEntry) image_list = - QTAILQ_HEAD_INITIALIZER(image_list); - - ImageEntry *image_entry, *next_ie; - SnapshotEntry *snapshot_entry; - - bs = bdrv_all_find_vmstate_bs(); - if (!bs) { - monitor_printf(mon, "No available block device supports snapshots\n"); - return; - } - aio_context = bdrv_get_aio_context(bs); - - aio_context_acquire(aio_context); - nb_sns = bdrv_snapshot_list(bs, &sn_tab); - aio_context_release(aio_context); - - if (nb_sns < 0) { - monitor_printf(mon, "bdrv_snapshot_list: error %d\n", nb_sns); - return; - } - - for (bs1 = bdrv_first(&it1); bs1; bs1 = bdrv_next(&it1)) { - int bs1_nb_sns = 0; - ImageEntry *ie; - SnapshotEntry *se; - AioContext *ctx = bdrv_get_aio_context(bs1); - - aio_context_acquire(ctx); - if (bdrv_can_snapshot(bs1)) { - sn = NULL; - bs1_nb_sns = bdrv_snapshot_list(bs1, &sn); - if (bs1_nb_sns > 0) { - no_snapshot = false; - ie = g_new0(ImageEntry, 1); - ie->imagename = bdrv_get_device_name(bs1); - QTAILQ_INIT(&ie->snapshots); - QTAILQ_INSERT_TAIL(&image_list, ie, next); - for (i = 0; i < bs1_nb_sns; i++) { - se = g_new0(SnapshotEntry, 1); - se->sn = sn[i]; - QTAILQ_INSERT_TAIL(&ie->snapshots, se, next); - } - } - g_free(sn); - } - aio_context_release(ctx); - } - - if (no_snapshot) { - monitor_printf(mon, "There is no snapshot available.\n"); - return; - } - - global_snapshots = g_new0(int, nb_sns); - total = 0; - for (i = 0; i < nb_sns; i++) { - SnapshotEntry *next_sn; - if (bdrv_all_find_snapshot(sn_tab[i].name, &bs1) == 0) { - global_snapshots[total] = i; - total++; - QTAILQ_FOREACH(image_entry, &image_list, next) { - QTAILQ_FOREACH_SAFE(snapshot_entry, &image_entry->snapshots, - next, next_sn) { - if (!strcmp(sn_tab[i].name, snapshot_entry->sn.name)) { - QTAILQ_REMOVE(&image_entry->snapshots, snapshot_entry, - next); - g_free(snapshot_entry); - } - } - } - } - } - - monitor_printf(mon, "List of snapshots present on all disks:\n"); - - if (total > 0) { - bdrv_snapshot_dump(NULL); - monitor_printf(mon, "\n"); - for (i = 0; i < total; i++) { - sn = &sn_tab[global_snapshots[i]]; - /* The ID is not guaranteed to be the same on all images, so - * overwrite it. - */ - pstrcpy(sn->id_str, sizeof(sn->id_str), "--"); - bdrv_snapshot_dump(sn); - monitor_printf(mon, "\n"); - } - } else { - monitor_printf(mon, "None\n"); - } - - QTAILQ_FOREACH(image_entry, &image_list, next) { - if (QTAILQ_EMPTY(&image_entry->snapshots)) { - continue; - } - monitor_printf(mon, - "\nList of partial (non-loadable) snapshots on '%s':\n", - image_entry->imagename); - bdrv_snapshot_dump(NULL); - monitor_printf(mon, "\n"); - QTAILQ_FOREACH(snapshot_entry, &image_entry->snapshots, next) { - bdrv_snapshot_dump(&snapshot_entry->sn); - monitor_printf(mon, "\n"); - } - } - - QTAILQ_FOREACH_SAFE(image_entry, &image_list, next, next_ie) { - SnapshotEntry *next_sn; - QTAILQ_FOREACH_SAFE(snapshot_entry, &image_entry->snapshots, next, - next_sn) { - g_free(snapshot_entry); - } - g_free(image_entry); - } - g_free(sn_tab); - g_free(global_snapshots); - -} - void hmp_announce_self(Monitor *mon, const QDict *qdict) { const char *interfaces_str = qdict_get_try_str(qdict, "interfaces"); |