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hmp: add virtio commands
This patch implements the HMP versions of the virtio QMP commands. [Jonah: Adjusted hmp monitor output format for features / statuses with their descriptions.] Signed-off-by: Laurent Vivier <lvivier@redhat.com> Signed-off-by: Jonah Palmer <jonah.palmer@oracle.com> Message-Id: <1660220684-24909-7-git-send-email-jonah.palmer@oracle.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
Laurent Vivier
Michael S. Tsirkin
parent
1ee7bb5bef
commit
8a8287981d
@ -923,3 +923,73 @@ SRST
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``stats``
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Show runtime-collected statistics
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ERST
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{
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.name = "virtio",
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.args_type = "",
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.params = "",
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.help = "List all available virtio devices",
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.cmd = hmp_virtio_query,
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.flags = "p",
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},
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SRST
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``info virtio``
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List all available virtio devices
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ERST
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{
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.name = "virtio-status",
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.args_type = "path:s",
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.params = "path",
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.help = "Display status of a given virtio device",
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.cmd = hmp_virtio_status,
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.flags = "p",
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},
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SRST
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``info virtio-status`` *path*
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Display status of a given virtio device
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ERST
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{
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.name = "virtio-queue-status",
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.args_type = "path:s,queue:i",
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.params = "path queue",
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.help = "Display status of a given virtio queue",
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.cmd = hmp_virtio_queue_status,
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.flags = "p",
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},
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SRST
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``info virtio-queue-status`` *path* *queue*
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Display status of a given virtio queue
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ERST
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{
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.name = "virtio-vhost-queue-status",
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.args_type = "path:s,queue:i",
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.params = "path queue",
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.help = "Display status of a given vhost queue",
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.cmd = hmp_vhost_queue_status,
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.flags = "p",
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},
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SRST
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``info virtio-vhost-queue-status`` *path* *queue*
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Display status of a given vhost queue
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ERST
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{
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.name = "virtio-queue-element",
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.args_type = "path:s,queue:i,index:i?",
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.params = "path queue [index]",
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.help = "Display element of a given virtio queue",
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.cmd = hmp_virtio_queue_element,
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.flags = "p",
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},
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SRST
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``info virtio-queue-element`` *path* *queue* [*index*]
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Display element of a given virtio queue
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ERST
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@ -95,6 +95,11 @@ void hmp_qom_list(Monitor *mon, const QDict *qdict);
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void hmp_qom_get(Monitor *mon, const QDict *qdict);
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void hmp_qom_set(Monitor *mon, const QDict *qdict);
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void hmp_info_qom_tree(Monitor *mon, const QDict *dict);
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void hmp_virtio_query(Monitor *mon, const QDict *qdict);
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void hmp_virtio_status(Monitor *mon, const QDict *qdict);
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void hmp_virtio_queue_status(Monitor *mon, const QDict *qdict);
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void hmp_vhost_queue_status(Monitor *mon, const QDict *qdict);
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void hmp_virtio_queue_element(Monitor *mon, const QDict *qdict);
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void object_add_completion(ReadLineState *rs, int nb_args, const char *str);
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void object_del_completion(ReadLineState *rs, int nb_args, const char *str);
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void device_add_completion(ReadLineState *rs, int nb_args, const char *str);
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@ -43,6 +43,8 @@
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#include "qapi/qapi-commands-stats.h"
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#include "qapi/qapi-commands-tpm.h"
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#include "qapi/qapi-commands-ui.h"
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#include "qapi/qapi-commands-virtio.h"
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#include "qapi/qapi-visit-virtio.h"
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#include "qapi/qapi-visit-net.h"
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#include "qapi/qapi-visit-migration.h"
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#include "qapi/qmp/qdict.h"
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@ -2472,3 +2474,311 @@ exit:
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exit_no_print:
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error_free(err);
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}
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static void hmp_virtio_dump_protocols(Monitor *mon,
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VhostDeviceProtocols *pcol)
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{
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strList *pcol_list = pcol->protocols;
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while (pcol_list) {
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monitor_printf(mon, "\t%s", pcol_list->value);
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pcol_list = pcol_list->next;
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if (pcol_list != NULL) {
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monitor_printf(mon, ",\n");
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}
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}
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monitor_printf(mon, "\n");
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if (pcol->has_unknown_protocols) {
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monitor_printf(mon, " unknown-protocols(0x%016"PRIx64")\n",
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pcol->unknown_protocols);
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}
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}
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static void hmp_virtio_dump_status(Monitor *mon,
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VirtioDeviceStatus *status)
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{
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strList *status_list = status->statuses;
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while (status_list) {
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monitor_printf(mon, "\t%s", status_list->value);
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status_list = status_list->next;
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if (status_list != NULL) {
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monitor_printf(mon, ",\n");
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}
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}
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monitor_printf(mon, "\n");
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if (status->has_unknown_statuses) {
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monitor_printf(mon, " unknown-statuses(0x%016"PRIx32")\n",
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status->unknown_statuses);
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}
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}
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static void hmp_virtio_dump_features(Monitor *mon,
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VirtioDeviceFeatures *features)
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{
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strList *transport_list = features->transports;
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while (transport_list) {
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monitor_printf(mon, "\t%s", transport_list->value);
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transport_list = transport_list->next;
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if (transport_list != NULL) {
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monitor_printf(mon, ",\n");
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}
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}
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monitor_printf(mon, "\n");
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strList *list = features->dev_features;
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if (list) {
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while (list) {
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monitor_printf(mon, "\t%s", list->value);
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list = list->next;
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if (list != NULL) {
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monitor_printf(mon, ",\n");
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}
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}
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monitor_printf(mon, "\n");
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}
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if (features->has_unknown_dev_features) {
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monitor_printf(mon, " unknown-features(0x%016"PRIx64")\n",
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features->unknown_dev_features);
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}
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}
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void hmp_virtio_query(Monitor *mon, const QDict *qdict)
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{
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Error *err = NULL;
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VirtioInfoList *list = qmp_x_query_virtio(&err);
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VirtioInfoList *node;
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if (err != NULL) {
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hmp_handle_error(mon, err);
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return;
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}
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if (list == NULL) {
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monitor_printf(mon, "No VirtIO devices\n");
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return;
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}
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node = list;
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while (node) {
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monitor_printf(mon, "%s [%s]\n", node->value->path,
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node->value->name);
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node = node->next;
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}
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qapi_free_VirtioInfoList(list);
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}
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void hmp_virtio_status(Monitor *mon, const QDict *qdict)
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{
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Error *err = NULL;
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const char *path = qdict_get_try_str(qdict, "path");
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VirtioStatus *s = qmp_x_query_virtio_status(path, &err);
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if (err != NULL) {
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hmp_handle_error(mon, err);
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return;
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}
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monitor_printf(mon, "%s:\n", path);
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monitor_printf(mon, " device_name: %s %s\n",
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s->name, s->has_vhost_dev ? "(vhost)" : "");
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monitor_printf(mon, " device_id: %d\n", s->device_id);
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monitor_printf(mon, " vhost_started: %s\n",
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s->vhost_started ? "true" : "false");
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monitor_printf(mon, " bus_name: %s\n", s->bus_name);
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monitor_printf(mon, " broken: %s\n",
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s->broken ? "true" : "false");
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monitor_printf(mon, " disabled: %s\n",
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s->disabled ? "true" : "false");
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monitor_printf(mon, " disable_legacy_check: %s\n",
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s->disable_legacy_check ? "true" : "false");
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monitor_printf(mon, " started: %s\n",
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s->started ? "true" : "false");
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monitor_printf(mon, " use_started: %s\n",
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s->use_started ? "true" : "false");
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monitor_printf(mon, " start_on_kick: %s\n",
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s->start_on_kick ? "true" : "false");
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monitor_printf(mon, " use_guest_notifier_mask: %s\n",
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s->use_guest_notifier_mask ? "true" : "false");
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monitor_printf(mon, " vm_running: %s\n",
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s->vm_running ? "true" : "false");
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monitor_printf(mon, " num_vqs: %"PRId64"\n", s->num_vqs);
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monitor_printf(mon, " queue_sel: %d\n",
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s->queue_sel);
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monitor_printf(mon, " isr: %d\n", s->isr);
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monitor_printf(mon, " endianness: %s\n",
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s->device_endian);
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monitor_printf(mon, " status:\n");
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hmp_virtio_dump_status(mon, s->status);
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monitor_printf(mon, " Guest features:\n");
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hmp_virtio_dump_features(mon, s->guest_features);
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monitor_printf(mon, " Host features:\n");
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hmp_virtio_dump_features(mon, s->host_features);
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monitor_printf(mon, " Backend features:\n");
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hmp_virtio_dump_features(mon, s->backend_features);
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if (s->has_vhost_dev) {
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monitor_printf(mon, " VHost:\n");
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monitor_printf(mon, " nvqs: %d\n",
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s->vhost_dev->nvqs);
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monitor_printf(mon, " vq_index: %"PRId64"\n",
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s->vhost_dev->vq_index);
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monitor_printf(mon, " max_queues: %"PRId64"\n",
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s->vhost_dev->max_queues);
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monitor_printf(mon, " n_mem_sections: %"PRId64"\n",
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s->vhost_dev->n_mem_sections);
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monitor_printf(mon, " n_tmp_sections: %"PRId64"\n",
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s->vhost_dev->n_tmp_sections);
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monitor_printf(mon, " backend_cap: %"PRId64"\n",
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s->vhost_dev->backend_cap);
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monitor_printf(mon, " log_enabled: %s\n",
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s->vhost_dev->log_enabled ? "true" : "false");
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monitor_printf(mon, " log_size: %"PRId64"\n",
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s->vhost_dev->log_size);
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monitor_printf(mon, " Features:\n");
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hmp_virtio_dump_features(mon, s->vhost_dev->features);
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monitor_printf(mon, " Acked features:\n");
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hmp_virtio_dump_features(mon, s->vhost_dev->acked_features);
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monitor_printf(mon, " Backend features:\n");
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hmp_virtio_dump_features(mon, s->vhost_dev->backend_features);
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monitor_printf(mon, " Protocol features:\n");
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hmp_virtio_dump_protocols(mon, s->vhost_dev->protocol_features);
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}
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qapi_free_VirtioStatus(s);
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}
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void hmp_vhost_queue_status(Monitor *mon, const QDict *qdict)
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{
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Error *err = NULL;
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const char *path = qdict_get_try_str(qdict, "path");
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int queue = qdict_get_int(qdict, "queue");
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VirtVhostQueueStatus *s =
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qmp_x_query_virtio_vhost_queue_status(path, queue, &err);
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if (err != NULL) {
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hmp_handle_error(mon, err);
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return;
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}
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monitor_printf(mon, "%s:\n", path);
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monitor_printf(mon, " device_name: %s (vhost)\n",
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s->name);
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monitor_printf(mon, " kick: %"PRId64"\n", s->kick);
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monitor_printf(mon, " call: %"PRId64"\n", s->call);
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monitor_printf(mon, " VRing:\n");
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monitor_printf(mon, " num: %"PRId64"\n", s->num);
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monitor_printf(mon, " desc: 0x%016"PRIx64"\n", s->desc);
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monitor_printf(mon, " desc_phys: 0x%016"PRIx64"\n",
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s->desc_phys);
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monitor_printf(mon, " desc_size: %"PRId32"\n", s->desc_size);
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monitor_printf(mon, " avail: 0x%016"PRIx64"\n", s->avail);
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monitor_printf(mon, " avail_phys: 0x%016"PRIx64"\n",
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s->avail_phys);
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monitor_printf(mon, " avail_size: %"PRId32"\n", s->avail_size);
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monitor_printf(mon, " used: 0x%016"PRIx64"\n", s->used);
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monitor_printf(mon, " used_phys: 0x%016"PRIx64"\n",
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s->used_phys);
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monitor_printf(mon, " used_size: %"PRId32"\n", s->used_size);
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qapi_free_VirtVhostQueueStatus(s);
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}
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void hmp_virtio_queue_status(Monitor *mon, const QDict *qdict)
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{
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Error *err = NULL;
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const char *path = qdict_get_try_str(qdict, "path");
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int queue = qdict_get_int(qdict, "queue");
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VirtQueueStatus *s = qmp_x_query_virtio_queue_status(path, queue, &err);
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if (err != NULL) {
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hmp_handle_error(mon, err);
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return;
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}
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monitor_printf(mon, "%s:\n", path);
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monitor_printf(mon, " device_name: %s\n", s->name);
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monitor_printf(mon, " queue_index: %d\n", s->queue_index);
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monitor_printf(mon, " inuse: %d\n", s->inuse);
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monitor_printf(mon, " used_idx: %d\n", s->used_idx);
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monitor_printf(mon, " signalled_used: %d\n",
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s->signalled_used);
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monitor_printf(mon, " signalled_used_valid: %s\n",
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s->signalled_used_valid ? "true" : "false");
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if (s->has_last_avail_idx) {
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monitor_printf(mon, " last_avail_idx: %d\n",
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s->last_avail_idx);
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}
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if (s->has_shadow_avail_idx) {
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monitor_printf(mon, " shadow_avail_idx: %d\n",
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s->shadow_avail_idx);
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}
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monitor_printf(mon, " VRing:\n");
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monitor_printf(mon, " num: %"PRId32"\n", s->vring_num);
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monitor_printf(mon, " num_default: %"PRId32"\n",
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s->vring_num_default);
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monitor_printf(mon, " align: %"PRId32"\n",
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s->vring_align);
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monitor_printf(mon, " desc: 0x%016"PRIx64"\n",
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s->vring_desc);
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monitor_printf(mon, " avail: 0x%016"PRIx64"\n",
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s->vring_avail);
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monitor_printf(mon, " used: 0x%016"PRIx64"\n",
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s->vring_used);
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qapi_free_VirtQueueStatus(s);
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}
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void hmp_virtio_queue_element(Monitor *mon, const QDict *qdict)
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{
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Error *err = NULL;
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const char *path = qdict_get_try_str(qdict, "path");
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int queue = qdict_get_int(qdict, "queue");
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int index = qdict_get_try_int(qdict, "index", -1);
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VirtioQueueElement *e;
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VirtioRingDescList *list;
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e = qmp_x_query_virtio_queue_element(path, queue, index != -1,
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index, &err);
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if (err != NULL) {
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hmp_handle_error(mon, err);
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return;
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}
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monitor_printf(mon, "%s:\n", path);
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monitor_printf(mon, " device_name: %s\n", e->name);
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monitor_printf(mon, " index: %d\n", e->index);
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monitor_printf(mon, " desc:\n");
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monitor_printf(mon, " descs:\n");
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list = e->descs;
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while (list) {
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monitor_printf(mon, " addr 0x%"PRIx64" len %d",
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list->value->addr, list->value->len);
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if (list->value->flags) {
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strList *flag = list->value->flags;
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monitor_printf(mon, " (");
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while (flag) {
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monitor_printf(mon, "%s", flag->value);
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flag = flag->next;
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if (flag) {
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monitor_printf(mon, ", ");
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}
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}
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monitor_printf(mon, ")");
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}
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list = list->next;
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if (list) {
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monitor_printf(mon, ",\n");
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}
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}
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monitor_printf(mon, "\n");
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monitor_printf(mon, " avail:\n");
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monitor_printf(mon, " flags: %d\n", e->avail->flags);
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monitor_printf(mon, " idx: %d\n", e->avail->idx);
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monitor_printf(mon, " ring: %d\n", e->avail->ring);
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monitor_printf(mon, " used:\n");
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monitor_printf(mon, " flags: %d\n", e->used->flags);
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monitor_printf(mon, " idx: %d\n", e->used->idx);
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qapi_free_VirtioQueueElement(e);
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}
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