[PATCH for 8.0 8/8] hmp: add cryptodev info command

[zhenwei pi]

Example of this command:
 # virsh qemu-monitor-command vm --hmp info cryptodev
cryptodev1: service=[akcipher|mac|hash|cipher]
    queue 0: type=builtin
cryptodev0: service=[akcipher]
    queue 0: type=lkcf

Signed-off-by: zhenwei pi <pizhen...@bytedance.com>
---
 hmp-commands-info.hx  | 14 ++++++++++++++
 include/monitor/hmp.h |  1 +
 monitor/hmp-cmds.c    | 36 ++++++++++++++++++++++++++++++++++++
 3 files changed, 51 insertions(+)

diff --git a/hmp-commands-info.hx b/hmp-commands-info.hx
index 754b1e8408..47d63d26db 100644
--- a/hmp-commands-info.hx
+++ b/hmp-commands-info.hx
@@ -993,3 +993,17 @@ SRST
   ``info virtio-queue-element`` *path* *queue* [*index*]
     Display element of a given virtio queue
 ERST
+
+    {
+        .name       = "cryptodev",
+        .args_type  = "",
+        .params     = "",
+        .help       = "show the crypto devices",
+        .cmd        = hmp_info_cryptodev,
+        .flags      = "p",
+    },
+
+SRST
+  ``info cryptodev``
+    Show the crypto devices.
+ERST
diff --git a/include/monitor/hmp.h b/include/monitor/hmp.h
index dfbc0c9a2f..b6b2b49202 100644
--- a/include/monitor/hmp.h
+++ b/include/monitor/hmp.h
@@ -143,5 +143,6 @@ void hmp_info_vcpu_dirty_limit(Monitor *mon, const QDict 
*qdict);
 void hmp_human_readable_text_helper(Monitor *mon,
                                     HumanReadableText *(*qmp_handler)(Error 
**));
 void hmp_info_stats(Monitor *mon, const QDict *qdict);
+void hmp_info_cryptodev(Monitor *mon, const QDict *qdict);
 
 #endif
diff --git a/monitor/hmp-cmds.c b/monitor/hmp-cmds.c
index 01b789a79e..3f1054aa1e 100644
--- a/monitor/hmp-cmds.c
+++ b/monitor/hmp-cmds.c
@@ -33,6 +33,7 @@
 #include "qapi/qapi-commands-block.h"
 #include "qapi/qapi-commands-char.h"
 #include "qapi/qapi-commands-control.h"
+#include "qapi/qapi-commands-cryptodev.h"
 #include "qapi/qapi-commands-machine.h"
 #include "qapi/qapi-commands-migration.h"
 #include "qapi/qapi-commands-misc.h"
@@ -2761,3 +2762,38 @@ void hmp_virtio_queue_element(Monitor *mon, const QDict 
*qdict)
 
     qapi_free_VirtioQueueElement(e);
 }
+
+void hmp_info_cryptodev(Monitor *mon, const QDict *qdict)
+{
+    CryptodevInfoList *info_list;
+    CryptodevInfo *info;
+    QCryptodevBackendServiceTypeList *service_list;
+    CryptodevBackendClientList *client_list;
+    CryptodevBackendClient *client;
+    char services[128] = {};
+    int len;
+
+    info_list = qmp_query_cryptodev(NULL);
+    for ( ; info_list; info_list = info_list->next) {
+        info = info_list->value;
+
+        service_list = info->service;
+        for (len = 0; service_list; service_list = service_list->next) {
+            len += snprintf(services + len, sizeof(services) - len, "%s|",
+                QCryptodevBackendServiceType_str(service_list->value));
+        }
+        if (len) {
+            services[len - 1] = '\0'; /* strip last char '|' */
+        }
+        monitor_printf(mon, "%s: service=[%s]\n", info->id, services);
+
+        client_list = info->client;
+        for ( ; client_list; client_list = client_list->next) {
+            client = client_list->value;
+            monitor_printf(mon, "    queue %ld: type=%s\n", client->queue,
+                          QCryptodevBackendType_str(client->type));
+        }
+    }
+
+    qapi_free_CryptodevInfoList(info_list);
+}
-- 
2.20.1