summaryrefslogtreecommitdiffstats
path: root/qemu/balloon.c
diff options
context:
space:
mode:
authorRajithaY <rajithax.yerrumsetty@intel.com>2017-04-25 03:31:15 -0700
committerRajitha Yerrumchetty <rajithax.yerrumsetty@intel.com>2017-05-22 06:48:08 +0000
commitbb756eebdac6fd24e8919e2c43f7d2c8c4091f59 (patch)
treeca11e03542edf2d8f631efeca5e1626d211107e3 /qemu/balloon.c
parenta14b48d18a9ed03ec191cf16b162206998a895ce (diff)
Adding qemu as a submodule of KVMFORNFV
This Patch includes the changes to add qemu as a submodule to kvmfornfv repo and make use of the updated latest qemu for the execution of all testcase Change-Id: I1280af507a857675c7f81d30c95255635667bdd7 Signed-off-by:RajithaY<rajithax.yerrumsetty@intel.com>
Diffstat (limited to 'qemu/balloon.c')
-rw-r--r--qemu/balloon.c118
1 files changed, 0 insertions, 118 deletions
diff --git a/qemu/balloon.c b/qemu/balloon.c
deleted file mode 100644
index f2ef50cf7..000000000
--- a/qemu/balloon.c
+++ /dev/null
@@ -1,118 +0,0 @@
-/*
- * Generic Balloon handlers and management
- *
- * Copyright (c) 2003-2008 Fabrice Bellard
- * Copyright (C) 2011 Red Hat, Inc.
- * Copyright (C) 2011 Amit Shah <amit.shah@redhat.com>
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
- * THE SOFTWARE.
- */
-
-#include "qemu/osdep.h"
-#include "qemu-common.h"
-#include "exec/cpu-common.h"
-#include "sysemu/kvm.h"
-#include "sysemu/balloon.h"
-#include "trace.h"
-#include "qmp-commands.h"
-#include "qapi/qmp/qerror.h"
-#include "qapi/qmp/qjson.h"
-
-static QEMUBalloonEvent *balloon_event_fn;
-static QEMUBalloonStatus *balloon_stat_fn;
-static void *balloon_opaque;
-static bool balloon_inhibited;
-
-bool qemu_balloon_is_inhibited(void)
-{
- return balloon_inhibited;
-}
-
-void qemu_balloon_inhibit(bool state)
-{
- balloon_inhibited = state;
-}
-
-static bool have_balloon(Error **errp)
-{
- if (kvm_enabled() && !kvm_has_sync_mmu()) {
- error_set(errp, ERROR_CLASS_KVM_MISSING_CAP,
- "Using KVM without synchronous MMU, balloon unavailable");
- return false;
- }
- if (!balloon_event_fn) {
- error_set(errp, ERROR_CLASS_DEVICE_NOT_ACTIVE,
- "No balloon device has been activated");
- return false;
- }
- return true;
-}
-
-int qemu_add_balloon_handler(QEMUBalloonEvent *event_func,
- QEMUBalloonStatus *stat_func, void *opaque)
-{
- if (balloon_event_fn || balloon_stat_fn || balloon_opaque) {
- /* We're already registered one balloon handler. How many can
- * a guest really have?
- */
- return -1;
- }
- balloon_event_fn = event_func;
- balloon_stat_fn = stat_func;
- balloon_opaque = opaque;
- return 0;
-}
-
-void qemu_remove_balloon_handler(void *opaque)
-{
- if (balloon_opaque != opaque) {
- return;
- }
- balloon_event_fn = NULL;
- balloon_stat_fn = NULL;
- balloon_opaque = NULL;
-}
-
-BalloonInfo *qmp_query_balloon(Error **errp)
-{
- BalloonInfo *info;
-
- if (!have_balloon(errp)) {
- return NULL;
- }
-
- info = g_malloc0(sizeof(*info));
- balloon_stat_fn(balloon_opaque, info);
- return info;
-}
-
-void qmp_balloon(int64_t target, Error **errp)
-{
- if (!have_balloon(errp)) {
- return;
- }
-
- if (target <= 0) {
- error_setg(errp, QERR_INVALID_PARAMETER_VALUE, "target", "a size");
- return;
- }
-
- trace_balloon_event(balloon_opaque, target);
- balloon_event_fn(balloon_opaque, target);
-}