[libvirt] [PATCH 1/7] qemu_capabilities: Introduce QEMU_CAPS_OBJECT_RNG_BUILTIN

[Han Han]

It is used to check if qemu is capable of rng-builtin object:
    -object rng-builtin,id=id

This object is added since qemu-4.2.0-rc0, commit 6c4e9d48.

Signed-off-by: Han Han <hhan at redhat.com>
---
 src/qemu/qemu_capabilities.c | 4 ++++
 src/qemu/qemu_capabilities.h | 1 +
 2 files changed, 5 insertions(+)

diff --git a/src/qemu/qemu_capabilities.c b/src/qemu/qemu_capabilities.c
index 0929fd3e..19edaa67 100644
--- a/src/qemu/qemu_capabilities.c
+++ b/src/qemu/qemu_capabilities.c
@@ -553,6 +553,7 @@ VIR_ENUM_IMPL(virQEMUCaps,
               "blockdev-file-dynamic-auto-read-only",
               "savevm-monitor-nodes",
               "drive-nvme",
+              "rng-builtin",
     );
 
 
@@ -1245,6 +1246,7 @@ struct virQEMUCapsStringFlags virQEMUCapsObjectTypes[] = {
     { "vhost-user-vga", QEMU_CAPS_DEVICE_VHOST_USER_VGA },
     { "ramfb", QEMU_CAPS_DEVICE_RAMFB },
     { "max-arm-cpu", QEMU_CAPS_ARM_MAX_CPU },
+    { "rng-builtin", QEMU_CAPS_OBJECT_RNG_BUILTIN },
 };
 
 static struct virQEMUCapsStringFlags virQEMUCapsDevicePropsVirtioBalloon[] = {
@@ -5719,6 +5721,8 @@ virQEMUCapsFillDomainDeviceRNGCaps(virQEMUCapsPtr qemuCaps,
         VIR_DOMAIN_CAPS_ENUM_SET(rng->backendModel, VIR_DOMAIN_RNG_BACKEND_EGD);
     if (virQEMUCapsGet(qemuCaps, QEMU_CAPS_OBJECT_RNG_RANDOM))
         VIR_DOMAIN_CAPS_ENUM_SET(rng->backendModel, VIR_DOMAIN_RNG_BACKEND_RANDOM);
+    if (virQEMUCapsGet(qemuCaps, QEMU_CAPS_OBJECT_RNG_BUILTIN))
+        VIR_DOMAIN_CAPS_ENUM_SET(rng->backendModel, VIR_DOMAIN_RNG_BACKEND_BUILTIN);
 }
 
 
diff --git a/src/qemu/qemu_capabilities.h b/src/qemu/qemu_capabilities.h
index 193c19fc..f25b60a2 100644
--- a/src/qemu/qemu_capabilities.h
+++ b/src/qemu/qemu_capabilities.h
@@ -534,6 +534,7 @@ typedef enum { /* virQEMUCapsFlags grouping marker for syntax-check */
     QEMU_CAPS_BLOCK_FILE_AUTO_READONLY_DYNAMIC, /* the auto-read-only property of block backends for files is dynamic */
     QEMU_CAPS_SAVEVM_MONITOR_NODES, /* 'savevm' handles monitor-owned nodes properly */
     QEMU_CAPS_DRIVE_NVME, /* -drive file.driver=nvme */
+    QEMU_CAPS_OBJECT_RNG_BUILTIN, /* -object rng-builtin */
 
     QEMU_CAPS_LAST /* this must always be the last item */
 } virQEMUCapsFlags;
-- 
2.23.0