[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[Qemu-devel] [PATCH 7/9] qga: introduce guest-get-vcpus / guest-set-vcpu
From: |
Michael Roth |
Subject: |
[Qemu-devel] [PATCH 7/9] qga: introduce guest-get-vcpus / guest-set-vcpus with stubs |
Date: |
Mon, 11 Mar 2013 19:53:18 -0500 |
From: Laszlo Ersek <address@hidden>
Signed-off-by: Laszlo Ersek <address@hidden>
Reviewed-by: Eric Blake <address@hidden>
Signed-off-by: Michael Roth <address@hidden>
---
qga/commands-posix.c | 12 +++++++++
qga/commands-win32.c | 12 +++++++++
qga/qapi-schema.json | 72 ++++++++++++++++++++++++++++++++++++++++++++++++++
3 files changed, 96 insertions(+)
diff --git a/qga/commands-posix.c b/qga/commands-posix.c
index c253f97..03a41a2 100644
--- a/qga/commands-posix.c
+++ b/qga/commands-posix.c
@@ -1167,6 +1167,18 @@ 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;
+}
+
+int64_t qmp_guest_set_vcpus(GuestLogicalProcessorList *vcpus, Error **errp)
+{
+ error_set(errp, QERR_UNSUPPORTED);
+ return -1;
+}
+
/* 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 622c74d..b19be9d 100644
--- a/qga/commands-win32.c
+++ b/qga/commands-win32.c
@@ -289,6 +289,18 @@ void qmp_guest_set_time(int64_t time_ns, Error **errp)
error_set(errp, QERR_UNSUPPORTED);
}
+GuestLogicalProcessorList *qmp_guest_get_vcpus(Error **errp)
+{
+ error_set(errp, QERR_UNSUPPORTED);
+ return NULL;
+}
+
+int64_t qmp_guest_set_vcpus(GuestLogicalProcessorList *vcpus, Error **errp)
+{
+ error_set(errp, QERR_UNSUPPORTED);
+ return -1;
+}
+
/* register init/cleanup routines for stateful command groups */
void ga_command_state_init(GAState *s, GACommandState *cs)
{
diff --git a/qga/qapi-schema.json b/qga/qapi-schema.json
index 437d750..dac4e6f 100644
--- a/qga/qapi-schema.json
+++ b/qga/qapi-schema.json
@@ -554,3 +554,75 @@
##
{ 'command': 'guest-network-get-interfaces',
'returns': ['GuestNetworkInterface'] }
+
+##
+# @GuestLogicalProcessor:
+#
+# @logical-id: Arbitrary guest-specific unique identifier of the VCPU.
+#
+# @online: Whether the VCPU is enabled.
+#
+# @can-offline: Whether offlining the VCPU is possible. This member is always
+# filled in by the guest agent when the structure is returned,
+# and always ignored on input (hence it can be omitted then).
+#
+# Since: 1.5
+##
+{ 'type': 'GuestLogicalProcessor',
+ 'data': {'logical-id': 'int',
+ 'online': 'bool',
+ '*can-offline': '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
+# the 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.
+#
+# Returns: The length of the initial sublist that has been successfully
+# processed. The guest agent maximizes this value. Possible cases:
+#
+# 0: if the @vcpus list was empty on input. Guest state
+# has not been changed. Otherwise,
+#
+# Error: processing the first node of @vcpus failed for the
+# reason returned. Guest state has not been changed.
+# Otherwise,
+#
+# < length(@vcpus): more than zero initial nodes have been processed,
+# but not the entire @vcpus list. Guest state has
+# changed accordingly. To retrieve the error
+# (assuming it persists), repeat the call with the
+# successfully processed initial sublist removed.
+# Otherwise,
+#
+# length(@vcpus): call successful.
+#
+# Since: 1.5
+##
+{ 'command': 'guest-set-vcpus',
+ 'data': {'vcpus': ['GuestLogicalProcessor'] },
+ 'returns': 'int' }
--
1.7.9.5
- [Qemu-devel] [PULL 0/9] qemu-ga fixes and {get, set}-{time, vcpus} commands, Michael Roth, 2013/03/11
- [Qemu-devel] [PATCH 1/9] qga: cast to int for DWORD type, Michael Roth, 2013/03/11
- [Qemu-devel] [PATCH 2/9] qemu-ga: fix confusing GAChannelMethod comparison, Michael Roth, 2013/03/11
- [Qemu-devel] [PATCH 3/9] qemu-ga: make guest-sync-delimited available during fsfreeze, Michael Roth, 2013/03/11
- [Qemu-devel] [PATCH 5/9] qga: add guest-get-time command, Michael Roth, 2013/03/11
- [Qemu-devel] [PATCH 6/9] qga: add guest-set-time command, Michael Roth, 2013/03/11
- [Qemu-devel] [PATCH 7/9] qga: introduce guest-get-vcpus / guest-set-vcpus with stubs,
Michael Roth <=
- [Qemu-devel] [PATCH 9/9] qga: implement qmp_guest_set_vcpus() for Linux with sysfs, Michael Roth, 2013/03/11
- [Qemu-devel] [PATCH 4/9] qemu-ga: use key-value store to avoid recycling fd handles after restart, Michael Roth, 2013/03/11
- [Qemu-devel] [PATCH 8/9] qga: implement qmp_guest_get_vcpus() for Linux with sysfs, Michael Roth, 2013/03/11