monitor/hmp: move hmp_info_block* to block-hmp-cmds.c

Signed-off-by: Maxim Levitsky <mlevitsk@redhat.com>
Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Message-Id: <20200308092440.23564-11-mlevitsk@redhat.com>
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>

1 files changed, 389 insertions, 0 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);
+}