[RFC PATCH 07/19] tools/vhost-user-rpmb: implement --print-capabilities

From: "Alex Bennée" <alex.bennee@linaro.org>
To: qemu-devel@nongnu.org, maxim.uvarov@linaro.org,
	joakim.bech@linaro.org, ilias.apalodimas@linaro.org,
	tomas.winkler@intel.com, yang.huang@intel.com,
	bing.zhu@intel.com, Matti.Moell@opensynergy.com,
	hmo@opensynergy.com
Cc: jean-philippe@linaro.org, takahiro.akashi@linaro.org,
	virtualization@lists.linuxfoundation.org,
	"Alex Bennée" <alex.bennee@linaro.org>,
	arnd@linaro.org, stratos-dev@op-lists.linaro.org
Subject: [RFC PATCH 07/19] tools/vhost-user-rpmb: implement --print-capabilities
Date: Fri, 25 Sep 2020 13:51:35 +0100	[thread overview]
Message-ID: <20200925125147.26943-8-alex.bennee@linaro.org> (raw)
In-Reply-To: <20200925125147.26943-1-alex.bennee@linaro.org>

A very simple capabilities dump.

Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
---
 tools/vhost-user-rpmb/main.c | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/tools/vhost-user-rpmb/main.c b/tools/vhost-user-rpmb/main.c
index a40a680a74ca..6b1989125bd6 100644
--- a/tools/vhost-user-rpmb/main.c
+++ b/tools/vhost-user-rpmb/main.c
@@ -7,6 +7,7 @@
  */
 
 #include <glib.h>
+#include <stdio.h>
 
 static gchar *socket_path;
 static gint socket_fd;
@@ -20,6 +21,14 @@ static GOptionEntry options[] =
     { NULL }
 };
 
+/* Print vhost-user.json backend program capabilities */
+static void print_capabilities(void)
+{
+    printf("{\n");
+    printf("  \"type\": \"block\"\n");
+    printf("}\n");
+}
+
 int main (int argc, char *argv[])
 {
     GError *error = NULL;
@@ -33,5 +42,9 @@ int main (int argc, char *argv[])
         exit (1);
     }
 
+    if (print_cap) {
+        print_capabilities();
+        exit(0);
+    }
 
 }
-- 
2.20.1


