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authorMaxim Levitsky <mlevitsk@redhat.com>2020-03-08 11:24:39 +0200
committerDr. David Alan Gilbert <dgilbert@redhat.com>2020-03-09 18:20:21 +0000
commit2bcad73c4b9b26005afa28d91c3c814083a3c741 (patch)
tree121608b9029e1f94d647a4e2b49e1a4debb691be /block/monitor/block-hmp-cmds.c
parent1061f8dd808cc185736094759bd8a2b919435195 (diff)
downloadqemu-arm-2bcad73c4b9b26005afa28d91c3c814083a3c741.tar.gz
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>
Diffstat (limited to 'block/monitor/block-hmp-cmds.c')
-rw-r--r--block/monitor/block-hmp-cmds.c389
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);
+}