virtio: Move HMP commands from monitor/ to hw/virtio/

This moves these commands from MAINTAINERS section "Human
Monitor (HMP)" to "virtio".

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20230124121946.1139465-20-armbru@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
This commit is contained in:
Markus Armbruster 2023-01-24 13:19:33 +01:00
parent 27be86351e
commit fa1cea9d0f
3 changed files with 322 additions and 309 deletions

View File

@ -67,5 +67,6 @@ softmmu_ss.add(when: 'CONFIG_VIRTIO', if_false: files('vhost-stub.c'))
softmmu_ss.add(when: 'CONFIG_VIRTIO', if_false: files('virtio-stub.c')) softmmu_ss.add(when: 'CONFIG_VIRTIO', if_false: files('virtio-stub.c'))
softmmu_ss.add(when: 'CONFIG_ALL', if_true: files('vhost-stub.c')) softmmu_ss.add(when: 'CONFIG_ALL', if_true: files('vhost-stub.c'))
softmmu_ss.add(when: 'CONFIG_ALL', if_true: files('virtio-stub.c')) softmmu_ss.add(when: 'CONFIG_ALL', if_true: files('virtio-stub.c'))
softmmu_ss.add(files('virtio-hmp-cmds.c'))
specific_ss.add_all(when: 'CONFIG_VIRTIO', if_true: specific_virtio_ss) specific_ss.add_all(when: 'CONFIG_VIRTIO', if_true: specific_virtio_ss)

321
hw/virtio/virtio-hmp-cmds.c Normal file
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@ -0,0 +1,321 @@
/*
* HMP commands related to virtio
*
* This work is licensed under the terms of the GNU GPL, version 2 or
* (at your option) any later version.
*/
#include "qemu/osdep.h"
#include "monitor/hmp.h"
#include "monitor/monitor.h"
#include "qapi/qapi-commands-virtio.h"
#include "qapi/qmp/qdict.h"
static void hmp_virtio_dump_protocols(Monitor *mon,
VhostDeviceProtocols *pcol)
{
strList *pcol_list = pcol->protocols;
while (pcol_list) {
monitor_printf(mon, "\t%s", pcol_list->value);
pcol_list = pcol_list->next;
if (pcol_list != NULL) {
monitor_printf(mon, ",\n");
}
}
monitor_printf(mon, "\n");
if (pcol->has_unknown_protocols) {
monitor_printf(mon, " unknown-protocols(0x%016"PRIx64")\n",
pcol->unknown_protocols);
}
}
static void hmp_virtio_dump_status(Monitor *mon,
VirtioDeviceStatus *status)
{
strList *status_list = status->statuses;
while (status_list) {
monitor_printf(mon, "\t%s", status_list->value);
status_list = status_list->next;
if (status_list != NULL) {
monitor_printf(mon, ",\n");
}
}
monitor_printf(mon, "\n");
if (status->has_unknown_statuses) {
monitor_printf(mon, " unknown-statuses(0x%016"PRIx32")\n",
status->unknown_statuses);
}
}
static void hmp_virtio_dump_features(Monitor *mon,
VirtioDeviceFeatures *features)
{
strList *transport_list = features->transports;
while (transport_list) {
monitor_printf(mon, "\t%s", transport_list->value);
transport_list = transport_list->next;
if (transport_list != NULL) {
monitor_printf(mon, ",\n");
}
}
monitor_printf(mon, "\n");
strList *list = features->dev_features;
if (list) {
while (list) {
monitor_printf(mon, "\t%s", list->value);
list = list->next;
if (list != NULL) {
monitor_printf(mon, ",\n");
}
}
monitor_printf(mon, "\n");
}
if (features->has_unknown_dev_features) {
monitor_printf(mon, " unknown-features(0x%016"PRIx64")\n",
features->unknown_dev_features);
}
}
void hmp_virtio_query(Monitor *mon, const QDict *qdict)
{
Error *err = NULL;
VirtioInfoList *list = qmp_x_query_virtio(&err);
VirtioInfoList *node;
if (err != NULL) {
hmp_handle_error(mon, err);
return;
}
if (list == NULL) {
monitor_printf(mon, "No VirtIO devices\n");
return;
}
node = list;
while (node) {
monitor_printf(mon, "%s [%s]\n", node->value->path,
node->value->name);
node = node->next;
}
qapi_free_VirtioInfoList(list);
}
void hmp_virtio_status(Monitor *mon, const QDict *qdict)
{
Error *err = NULL;
const char *path = qdict_get_try_str(qdict, "path");
VirtioStatus *s = qmp_x_query_virtio_status(path, &err);
if (err != NULL) {
hmp_handle_error(mon, err);
return;
}
monitor_printf(mon, "%s:\n", path);
monitor_printf(mon, " device_name: %s %s\n",
s->name, s->vhost_dev ? "(vhost)" : "");
monitor_printf(mon, " device_id: %d\n", s->device_id);
monitor_printf(mon, " vhost_started: %s\n",
s->vhost_started ? "true" : "false");
monitor_printf(mon, " bus_name: %s\n", s->bus_name);
monitor_printf(mon, " broken: %s\n",
s->broken ? "true" : "false");
monitor_printf(mon, " disabled: %s\n",
s->disabled ? "true" : "false");
monitor_printf(mon, " disable_legacy_check: %s\n",
s->disable_legacy_check ? "true" : "false");
monitor_printf(mon, " started: %s\n",
s->started ? "true" : "false");
monitor_printf(mon, " use_started: %s\n",
s->use_started ? "true" : "false");
monitor_printf(mon, " start_on_kick: %s\n",
s->start_on_kick ? "true" : "false");
monitor_printf(mon, " use_guest_notifier_mask: %s\n",
s->use_guest_notifier_mask ? "true" : "false");
monitor_printf(mon, " vm_running: %s\n",
s->vm_running ? "true" : "false");
monitor_printf(mon, " num_vqs: %"PRId64"\n", s->num_vqs);
monitor_printf(mon, " queue_sel: %d\n",
s->queue_sel);
monitor_printf(mon, " isr: %d\n", s->isr);
monitor_printf(mon, " endianness: %s\n",
s->device_endian);
monitor_printf(mon, " status:\n");
hmp_virtio_dump_status(mon, s->status);
monitor_printf(mon, " Guest features:\n");
hmp_virtio_dump_features(mon, s->guest_features);
monitor_printf(mon, " Host features:\n");
hmp_virtio_dump_features(mon, s->host_features);
monitor_printf(mon, " Backend features:\n");
hmp_virtio_dump_features(mon, s->backend_features);
if (s->vhost_dev) {
monitor_printf(mon, " VHost:\n");
monitor_printf(mon, " nvqs: %d\n",
s->vhost_dev->nvqs);
monitor_printf(mon, " vq_index: %"PRId64"\n",
s->vhost_dev->vq_index);
monitor_printf(mon, " max_queues: %"PRId64"\n",
s->vhost_dev->max_queues);
monitor_printf(mon, " n_mem_sections: %"PRId64"\n",
s->vhost_dev->n_mem_sections);
monitor_printf(mon, " n_tmp_sections: %"PRId64"\n",
s->vhost_dev->n_tmp_sections);
monitor_printf(mon, " backend_cap: %"PRId64"\n",
s->vhost_dev->backend_cap);
monitor_printf(mon, " log_enabled: %s\n",
s->vhost_dev->log_enabled ? "true" : "false");
monitor_printf(mon, " log_size: %"PRId64"\n",
s->vhost_dev->log_size);
monitor_printf(mon, " Features:\n");
hmp_virtio_dump_features(mon, s->vhost_dev->features);
monitor_printf(mon, " Acked features:\n");
hmp_virtio_dump_features(mon, s->vhost_dev->acked_features);
monitor_printf(mon, " Backend features:\n");
hmp_virtio_dump_features(mon, s->vhost_dev->backend_features);
monitor_printf(mon, " Protocol features:\n");
hmp_virtio_dump_protocols(mon, s->vhost_dev->protocol_features);
}
qapi_free_VirtioStatus(s);
}
void hmp_vhost_queue_status(Monitor *mon, const QDict *qdict)
{
Error *err = NULL;
const char *path = qdict_get_try_str(qdict, "path");
int queue = qdict_get_int(qdict, "queue");
VirtVhostQueueStatus *s =
qmp_x_query_virtio_vhost_queue_status(path, queue, &err);
if (err != NULL) {
hmp_handle_error(mon, err);
return;
}
monitor_printf(mon, "%s:\n", path);
monitor_printf(mon, " device_name: %s (vhost)\n",
s->name);
monitor_printf(mon, " kick: %"PRId64"\n", s->kick);
monitor_printf(mon, " call: %"PRId64"\n", s->call);
monitor_printf(mon, " VRing:\n");
monitor_printf(mon, " num: %"PRId64"\n", s->num);
monitor_printf(mon, " desc: 0x%016"PRIx64"\n", s->desc);
monitor_printf(mon, " desc_phys: 0x%016"PRIx64"\n",
s->desc_phys);
monitor_printf(mon, " desc_size: %"PRId32"\n", s->desc_size);
monitor_printf(mon, " avail: 0x%016"PRIx64"\n", s->avail);
monitor_printf(mon, " avail_phys: 0x%016"PRIx64"\n",
s->avail_phys);
monitor_printf(mon, " avail_size: %"PRId32"\n", s->avail_size);
monitor_printf(mon, " used: 0x%016"PRIx64"\n", s->used);
monitor_printf(mon, " used_phys: 0x%016"PRIx64"\n",
s->used_phys);
monitor_printf(mon, " used_size: %"PRId32"\n", s->used_size);
qapi_free_VirtVhostQueueStatus(s);
}
void hmp_virtio_queue_status(Monitor *mon, const QDict *qdict)
{
Error *err = NULL;
const char *path = qdict_get_try_str(qdict, "path");
int queue = qdict_get_int(qdict, "queue");
VirtQueueStatus *s = qmp_x_query_virtio_queue_status(path, queue, &err);
if (err != NULL) {
hmp_handle_error(mon, err);
return;
}
monitor_printf(mon, "%s:\n", path);
monitor_printf(mon, " device_name: %s\n", s->name);
monitor_printf(mon, " queue_index: %d\n", s->queue_index);
monitor_printf(mon, " inuse: %d\n", s->inuse);
monitor_printf(mon, " used_idx: %d\n", s->used_idx);
monitor_printf(mon, " signalled_used: %d\n",
s->signalled_used);
monitor_printf(mon, " signalled_used_valid: %s\n",
s->signalled_used_valid ? "true" : "false");
if (s->has_last_avail_idx) {
monitor_printf(mon, " last_avail_idx: %d\n",
s->last_avail_idx);
}
if (s->has_shadow_avail_idx) {
monitor_printf(mon, " shadow_avail_idx: %d\n",
s->shadow_avail_idx);
}
monitor_printf(mon, " VRing:\n");
monitor_printf(mon, " num: %"PRId32"\n", s->vring_num);
monitor_printf(mon, " num_default: %"PRId32"\n",
s->vring_num_default);
monitor_printf(mon, " align: %"PRId32"\n",
s->vring_align);
monitor_printf(mon, " desc: 0x%016"PRIx64"\n",
s->vring_desc);
monitor_printf(mon, " avail: 0x%016"PRIx64"\n",
s->vring_avail);
monitor_printf(mon, " used: 0x%016"PRIx64"\n",
s->vring_used);
qapi_free_VirtQueueStatus(s);
}
void hmp_virtio_queue_element(Monitor *mon, const QDict *qdict)
{
Error *err = NULL;
const char *path = qdict_get_try_str(qdict, "path");
int queue = qdict_get_int(qdict, "queue");
int index = qdict_get_try_int(qdict, "index", -1);
VirtioQueueElement *e;
VirtioRingDescList *list;
e = qmp_x_query_virtio_queue_element(path, queue, index != -1,
index, &err);
if (err != NULL) {
hmp_handle_error(mon, err);
return;
}
monitor_printf(mon, "%s:\n", path);
monitor_printf(mon, " device_name: %s\n", e->name);
monitor_printf(mon, " index: %d\n", e->index);
monitor_printf(mon, " desc:\n");
monitor_printf(mon, " descs:\n");
list = e->descs;
while (list) {
monitor_printf(mon, " addr 0x%"PRIx64" len %d",
list->value->addr, list->value->len);
if (list->value->flags) {
strList *flag = list->value->flags;
monitor_printf(mon, " (");
while (flag) {
monitor_printf(mon, "%s", flag->value);
flag = flag->next;
if (flag) {
monitor_printf(mon, ", ");
}
}
monitor_printf(mon, ")");
}
list = list->next;
if (list) {
monitor_printf(mon, ",\n");
}
}
monitor_printf(mon, "\n");
monitor_printf(mon, " avail:\n");
monitor_printf(mon, " flags: %d\n", e->avail->flags);
monitor_printf(mon, " idx: %d\n", e->avail->idx);
monitor_printf(mon, " ring: %d\n", e->avail->ring);
monitor_printf(mon, " used:\n");
monitor_printf(mon, " flags: %d\n", e->used->flags);
monitor_printf(mon, " idx: %d\n", e->used->idx);
qapi_free_VirtioQueueElement(e);
}

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@ -23,7 +23,6 @@
#include "qapi/qapi-commands-run-state.h" #include "qapi/qapi-commands-run-state.h"
#include "qapi/qapi-commands-stats.h" #include "qapi/qapi-commands-stats.h"
#include "qapi/qapi-commands-tpm.h" #include "qapi/qapi-commands-tpm.h"
#include "qapi/qapi-commands-virtio.h"
#include "qapi/qmp/qdict.h" #include "qapi/qmp/qdict.h"
#include "qapi/qmp/qerror.h" #include "qapi/qmp/qerror.h"
#include "qemu/cutils.h" #include "qemu/cutils.h"
@ -533,311 +532,3 @@ exit:
exit_no_print: exit_no_print:
error_free(err); error_free(err);
} }
static void hmp_virtio_dump_protocols(Monitor *mon,
VhostDeviceProtocols *pcol)
{
strList *pcol_list = pcol->protocols;
while (pcol_list) {
monitor_printf(mon, "\t%s", pcol_list->value);
pcol_list = pcol_list->next;
if (pcol_list != NULL) {
monitor_printf(mon, ",\n");
}
}
monitor_printf(mon, "\n");
if (pcol->has_unknown_protocols) {
monitor_printf(mon, " unknown-protocols(0x%016"PRIx64")\n",
pcol->unknown_protocols);
}
}
static void hmp_virtio_dump_status(Monitor *mon,
VirtioDeviceStatus *status)
{
strList *status_list = status->statuses;
while (status_list) {
monitor_printf(mon, "\t%s", status_list->value);
status_list = status_list->next;
if (status_list != NULL) {
monitor_printf(mon, ",\n");
}
}
monitor_printf(mon, "\n");
if (status->has_unknown_statuses) {
monitor_printf(mon, " unknown-statuses(0x%016"PRIx32")\n",
status->unknown_statuses);
}
}
static void hmp_virtio_dump_features(Monitor *mon,
VirtioDeviceFeatures *features)
{
strList *transport_list = features->transports;
while (transport_list) {
monitor_printf(mon, "\t%s", transport_list->value);
transport_list = transport_list->next;
if (transport_list != NULL) {
monitor_printf(mon, ",\n");
}
}
monitor_printf(mon, "\n");
strList *list = features->dev_features;
if (list) {
while (list) {
monitor_printf(mon, "\t%s", list->value);
list = list->next;
if (list != NULL) {
monitor_printf(mon, ",\n");
}
}
monitor_printf(mon, "\n");
}
if (features->has_unknown_dev_features) {
monitor_printf(mon, " unknown-features(0x%016"PRIx64")\n",
features->unknown_dev_features);
}
}
void hmp_virtio_query(Monitor *mon, const QDict *qdict)
{
Error *err = NULL;
VirtioInfoList *list = qmp_x_query_virtio(&err);
VirtioInfoList *node;
if (err != NULL) {
hmp_handle_error(mon, err);
return;
}
if (list == NULL) {
monitor_printf(mon, "No VirtIO devices\n");
return;
}
node = list;
while (node) {
monitor_printf(mon, "%s [%s]\n", node->value->path,
node->value->name);
node = node->next;
}
qapi_free_VirtioInfoList(list);
}
void hmp_virtio_status(Monitor *mon, const QDict *qdict)
{
Error *err = NULL;
const char *path = qdict_get_try_str(qdict, "path");
VirtioStatus *s = qmp_x_query_virtio_status(path, &err);
if (err != NULL) {
hmp_handle_error(mon, err);
return;
}
monitor_printf(mon, "%s:\n", path);
monitor_printf(mon, " device_name: %s %s\n",
s->name, s->vhost_dev ? "(vhost)" : "");
monitor_printf(mon, " device_id: %d\n", s->device_id);
monitor_printf(mon, " vhost_started: %s\n",
s->vhost_started ? "true" : "false");
monitor_printf(mon, " bus_name: %s\n", s->bus_name);
monitor_printf(mon, " broken: %s\n",
s->broken ? "true" : "false");
monitor_printf(mon, " disabled: %s\n",
s->disabled ? "true" : "false");
monitor_printf(mon, " disable_legacy_check: %s\n",
s->disable_legacy_check ? "true" : "false");
monitor_printf(mon, " started: %s\n",
s->started ? "true" : "false");
monitor_printf(mon, " use_started: %s\n",
s->use_started ? "true" : "false");
monitor_printf(mon, " start_on_kick: %s\n",
s->start_on_kick ? "true" : "false");
monitor_printf(mon, " use_guest_notifier_mask: %s\n",
s->use_guest_notifier_mask ? "true" : "false");
monitor_printf(mon, " vm_running: %s\n",
s->vm_running ? "true" : "false");
monitor_printf(mon, " num_vqs: %"PRId64"\n", s->num_vqs);
monitor_printf(mon, " queue_sel: %d\n",
s->queue_sel);
monitor_printf(mon, " isr: %d\n", s->isr);
monitor_printf(mon, " endianness: %s\n",
s->device_endian);
monitor_printf(mon, " status:\n");
hmp_virtio_dump_status(mon, s->status);
monitor_printf(mon, " Guest features:\n");
hmp_virtio_dump_features(mon, s->guest_features);
monitor_printf(mon, " Host features:\n");
hmp_virtio_dump_features(mon, s->host_features);
monitor_printf(mon, " Backend features:\n");
hmp_virtio_dump_features(mon, s->backend_features);
if (s->vhost_dev) {
monitor_printf(mon, " VHost:\n");
monitor_printf(mon, " nvqs: %d\n",
s->vhost_dev->nvqs);
monitor_printf(mon, " vq_index: %"PRId64"\n",
s->vhost_dev->vq_index);
monitor_printf(mon, " max_queues: %"PRId64"\n",
s->vhost_dev->max_queues);
monitor_printf(mon, " n_mem_sections: %"PRId64"\n",
s->vhost_dev->n_mem_sections);
monitor_printf(mon, " n_tmp_sections: %"PRId64"\n",
s->vhost_dev->n_tmp_sections);
monitor_printf(mon, " backend_cap: %"PRId64"\n",
s->vhost_dev->backend_cap);
monitor_printf(mon, " log_enabled: %s\n",
s->vhost_dev->log_enabled ? "true" : "false");
monitor_printf(mon, " log_size: %"PRId64"\n",
s->vhost_dev->log_size);
monitor_printf(mon, " Features:\n");
hmp_virtio_dump_features(mon, s->vhost_dev->features);
monitor_printf(mon, " Acked features:\n");
hmp_virtio_dump_features(mon, s->vhost_dev->acked_features);
monitor_printf(mon, " Backend features:\n");
hmp_virtio_dump_features(mon, s->vhost_dev->backend_features);
monitor_printf(mon, " Protocol features:\n");
hmp_virtio_dump_protocols(mon, s->vhost_dev->protocol_features);
}
qapi_free_VirtioStatus(s);
}
void hmp_vhost_queue_status(Monitor *mon, const QDict *qdict)
{
Error *err = NULL;
const char *path = qdict_get_try_str(qdict, "path");
int queue = qdict_get_int(qdict, "queue");
VirtVhostQueueStatus *s =
qmp_x_query_virtio_vhost_queue_status(path, queue, &err);
if (err != NULL) {
hmp_handle_error(mon, err);
return;
}
monitor_printf(mon, "%s:\n", path);
monitor_printf(mon, " device_name: %s (vhost)\n",
s->name);
monitor_printf(mon, " kick: %"PRId64"\n", s->kick);
monitor_printf(mon, " call: %"PRId64"\n", s->call);
monitor_printf(mon, " VRing:\n");
monitor_printf(mon, " num: %"PRId64"\n", s->num);
monitor_printf(mon, " desc: 0x%016"PRIx64"\n", s->desc);
monitor_printf(mon, " desc_phys: 0x%016"PRIx64"\n",
s->desc_phys);
monitor_printf(mon, " desc_size: %"PRId32"\n", s->desc_size);
monitor_printf(mon, " avail: 0x%016"PRIx64"\n", s->avail);
monitor_printf(mon, " avail_phys: 0x%016"PRIx64"\n",
s->avail_phys);
monitor_printf(mon, " avail_size: %"PRId32"\n", s->avail_size);
monitor_printf(mon, " used: 0x%016"PRIx64"\n", s->used);
monitor_printf(mon, " used_phys: 0x%016"PRIx64"\n",
s->used_phys);
monitor_printf(mon, " used_size: %"PRId32"\n", s->used_size);
qapi_free_VirtVhostQueueStatus(s);
}
void hmp_virtio_queue_status(Monitor *mon, const QDict *qdict)
{
Error *err = NULL;
const char *path = qdict_get_try_str(qdict, "path");
int queue = qdict_get_int(qdict, "queue");
VirtQueueStatus *s = qmp_x_query_virtio_queue_status(path, queue, &err);
if (err != NULL) {
hmp_handle_error(mon, err);
return;
}
monitor_printf(mon, "%s:\n", path);
monitor_printf(mon, " device_name: %s\n", s->name);
monitor_printf(mon, " queue_index: %d\n", s->queue_index);
monitor_printf(mon, " inuse: %d\n", s->inuse);
monitor_printf(mon, " used_idx: %d\n", s->used_idx);
monitor_printf(mon, " signalled_used: %d\n",
s->signalled_used);
monitor_printf(mon, " signalled_used_valid: %s\n",
s->signalled_used_valid ? "true" : "false");
if (s->has_last_avail_idx) {
monitor_printf(mon, " last_avail_idx: %d\n",
s->last_avail_idx);
}
if (s->has_shadow_avail_idx) {
monitor_printf(mon, " shadow_avail_idx: %d\n",
s->shadow_avail_idx);
}
monitor_printf(mon, " VRing:\n");
monitor_printf(mon, " num: %"PRId32"\n", s->vring_num);
monitor_printf(mon, " num_default: %"PRId32"\n",
s->vring_num_default);
monitor_printf(mon, " align: %"PRId32"\n",
s->vring_align);
monitor_printf(mon, " desc: 0x%016"PRIx64"\n",
s->vring_desc);
monitor_printf(mon, " avail: 0x%016"PRIx64"\n",
s->vring_avail);
monitor_printf(mon, " used: 0x%016"PRIx64"\n",
s->vring_used);
qapi_free_VirtQueueStatus(s);
}
void hmp_virtio_queue_element(Monitor *mon, const QDict *qdict)
{
Error *err = NULL;
const char *path = qdict_get_try_str(qdict, "path");
int queue = qdict_get_int(qdict, "queue");
int index = qdict_get_try_int(qdict, "index", -1);
VirtioQueueElement *e;
VirtioRingDescList *list;
e = qmp_x_query_virtio_queue_element(path, queue, index != -1,
index, &err);
if (err != NULL) {
hmp_handle_error(mon, err);
return;
}
monitor_printf(mon, "%s:\n", path);
monitor_printf(mon, " device_name: %s\n", e->name);
monitor_printf(mon, " index: %d\n", e->index);
monitor_printf(mon, " desc:\n");
monitor_printf(mon, " descs:\n");
list = e->descs;
while (list) {
monitor_printf(mon, " addr 0x%"PRIx64" len %d",
list->value->addr, list->value->len);
if (list->value->flags) {
strList *flag = list->value->flags;
monitor_printf(mon, " (");
while (flag) {
monitor_printf(mon, "%s", flag->value);
flag = flag->next;
if (flag) {
monitor_printf(mon, ", ");
}
}
monitor_printf(mon, ")");
}
list = list->next;
if (list) {
monitor_printf(mon, ",\n");
}
}
monitor_printf(mon, "\n");
monitor_printf(mon, " avail:\n");
monitor_printf(mon, " flags: %d\n", e->avail->flags);
monitor_printf(mon, " idx: %d\n", e->avail->idx);
monitor_printf(mon, " ring: %d\n", e->avail->ring);
monitor_printf(mon, " used:\n");
monitor_printf(mon, " flags: %d\n", e->used->flags);
monitor_printf(mon, " idx: %d\n", e->used->idx);
qapi_free_VirtioQueueElement(e);
}