[Qemu-devel] [PATCH 1/3] qga: introduce guest-get-vcpus / guest-set-vcpus with stubs

[Laszlo Ersek <lersek@redhat.com>]

Signed-off-by: Laszlo Ersek <lersek@redhat.com>
---
 qga/qapi-schema.json |   50 ++++++++++++++++++++++++++++++++++++++++++++++++++
 qga/commands-posix.c |   11 +++++++++++
 qga/commands-win32.c |   11 +++++++++++
 3 files changed, 72 insertions(+), 0 deletions(-)

diff --git a/qga/qapi-schema.json b/qga/qapi-schema.json
index d91d903..1bf5952 100644
--- a/qga/qapi-schema.json
+++ b/qga/qapi-schema.json
@@ -515,3 +515,53 @@
 ##
 { 'command': 'guest-network-get-interfaces',
   'returns': ['GuestNetworkInterface'] }
+
+##
+# @GuestLogicalProcessor:
+#
+# @logical-id: Arbitrary guest-specific unique identifier of the VCPU.
+#
+# @online: Whether the VCPU is enabled.
+#
+# Since: 1.5
+##
+{ 'type': 'GuestLogicalProcessor',
+  'data': {'logical-id': 'int',
+           'online': 'bool'} }
+
+##
+# @guest-get-vcpus:
+#
+# Retrieve the list of the guest's logical processors.
+#
+# This is a read-only operation.
+#
+# Returns: The list of all VCPUs the guest knows about. Each VCPU is put on the
+# list exactly once, but their order is unspecified.
+#
+# Since: 1.5
+##
+{ 'command': 'guest-get-vcpus',
+  'returns': ['GuestLogicalProcessor'] }
+
+##
+# @guest-set-vcpus:
+#
+# Attempt to reconfigure (currently: enable/disable) logical processors inside
+# the guest.
+#
+# The input list is processed node by node in order. In each node @logical-id
+# is used to look up the guest VCPU, for which @online specifies the requested
+# state. The set of distinct @logical-id's is only required to be a subset of
+# guest-supported identifiers. There's no restriction on list length or on
+# repeating the same @logical-id (with possibly different @online field).
+# Preferably the input list should describe a modified subset of
+# @guest-get-vcpus' return value.
+#
+# If part or whole of the requested operation can't be carried out, the guest
+# VCPU state will be unspecified.
+#
+# Since: 1.5
+##
+{ 'command': 'guest-set-vcpus',
+  'data':    {'vcpus': ['GuestLogicalProcessor'] } }
diff --git a/qga/commands-posix.c b/qga/commands-posix.c
index 7a0202e..1ad231a 100644
--- a/qga/commands-posix.c
+++ b/qga/commands-posix.c
@@ -1083,6 +1083,17 @@ void qmp_guest_fstrim(bool has_minimum, int64_t minimum, Error **err)
 }
 #endif
 
+GuestLogicalProcessorList *qmp_guest_get_vcpus(Error **errp)
+{
+    error_set(errp, QERR_UNSUPPORTED);
+    return NULL;
+}
+
+void qmp_guest_set_vcpus(GuestLogicalProcessorList *vcpus, Error **errp)
+{
+    error_set(errp, QERR_UNSUPPORTED);
+}
+
 /* register init/cleanup routines for stateful command groups */
 void ga_command_state_init(GAState *s, GACommandState *cs)
 {
diff --git a/qga/commands-win32.c b/qga/commands-win32.c
index 7e8ecb3..0e83423 100644
--- a/qga/commands-win32.c
+++ b/qga/commands-win32.c
@@ -278,6 +278,17 @@ GuestNetworkInterfaceList *qmp_guest_network_get_interfaces(Error **err)
     return NULL;
 }
 
+GuestLogicalProcessorList *qmp_guest_get_vcpus(Error **errp)
+{
+    error_set(errp, QERR_UNSUPPORTED);
+    return NULL;
+}
+
+void qmp_guest_set_vcpus(GuestLogicalProcessorList *vcpus, Error **errp)
+{
+    error_set(errp, QERR_UNSUPPORTED);
+}
+
 /* register init/cleanup routines for stateful command groups */
 void ga_command_state_init(GAState *s, GACommandState *cs)
 {
-- 
1.7.1