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-rw-r--r--Makefile.target2
-rw-r--r--balloon.c146
-rw-r--r--balloon.h7
-rw-r--r--monitor.c85
-rw-r--r--vl.c34
5 files changed, 154 insertions, 120 deletions
diff --git a/Makefile.target b/Makefile.target
index 2624b1d..95c9d23 100644
--- a/Makefile.target
+++ b/Makefile.target
@@ -161,7 +161,7 @@ endif #CONFIG_BSD_USER
# System emulator target
ifdef CONFIG_SOFTMMU
-obj-y = arch_init.o cpus.o monitor.o machine.o gdbstub.o vl.o
+obj-y = arch_init.o cpus.o monitor.o machine.o gdbstub.o vl.o balloon.o
# virtio has to be here due to weird dependency between PCI and virtio-net.
# need to fix this properly
obj-y += virtio-blk.o virtio-balloon.o virtio-net.o virtio-serial-bus.o
diff --git a/balloon.c b/balloon.c
new file mode 100644
index 0000000..8e0b7f1
--- /dev/null
+++ b/balloon.c
@@ -0,0 +1,146 @@
+/*
+ * QEMU System Emulator
+ *
+ * Copyright (c) 2003-2008 Fabrice Bellard
+ *
+ * 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 "sysemu.h"
+#include "monitor.h"
+#include "qjson.h"
+#include "qint.h"
+#include "cpu-common.h"
+#include "kvm.h"
+#include "balloon.h"
+
+
+static QEMUBalloonEvent *qemu_balloon_event;
+void *qemu_balloon_event_opaque;
+
+void qemu_add_balloon_handler(QEMUBalloonEvent *func, void *opaque)
+{
+ qemu_balloon_event = func;
+ qemu_balloon_event_opaque = opaque;
+}
+
+int qemu_balloon(ram_addr_t target, MonitorCompletion cb, void *opaque)
+{
+ if (qemu_balloon_event) {
+ qemu_balloon_event(qemu_balloon_event_opaque, target, cb, opaque);
+ return 1;
+ } else {
+ return 0;
+ }
+}
+
+int qemu_balloon_status(MonitorCompletion cb, void *opaque)
+{
+ if (qemu_balloon_event) {
+ qemu_balloon_event(qemu_balloon_event_opaque, 0, cb, opaque);
+ return 1;
+ } else {
+ return 0;
+ }
+}
+
+static void print_balloon_stat(const char *key, QObject *obj, void *opaque)
+{
+ Monitor *mon = opaque;
+
+ if (strcmp(key, "actual"))
+ monitor_printf(mon, ",%s=%" PRId64, key,
+ qint_get_int(qobject_to_qint(obj)));
+}
+
+void monitor_print_balloon(Monitor *mon, const QObject *data)
+{
+ QDict *qdict;
+
+ qdict = qobject_to_qdict(data);
+ if (!qdict_haskey(qdict, "actual"))
+ return;
+
+ monitor_printf(mon, "balloon: actual=%" PRId64,
+ qdict_get_int(qdict, "actual") >> 20);
+ qdict_iter(qdict, print_balloon_stat, mon);
+ monitor_printf(mon, "\n");
+}
+
+/**
+ * do_info_balloon(): Balloon information
+ *
+ * Make an asynchronous request for balloon info. When the request completes
+ * a QDict will be returned according to the following specification:
+ *
+ * - "actual": current balloon value in bytes
+ * The following fields may or may not be present:
+ * - "mem_swapped_in": Amount of memory swapped in (bytes)
+ * - "mem_swapped_out": Amount of memory swapped out (bytes)
+ * - "major_page_faults": Number of major faults
+ * - "minor_page_faults": Number of minor faults
+ * - "free_mem": Total amount of free and unused memory (bytes)
+ * - "total_mem": Total amount of available memory (bytes)
+ *
+ * Example:
+ *
+ * { "actual": 1073741824, "mem_swapped_in": 0, "mem_swapped_out": 0,
+ * "major_page_faults": 142, "minor_page_faults": 239245,
+ * "free_mem": 1014185984, "total_mem": 1044668416 }
+ */
+int do_info_balloon(Monitor *mon, MonitorCompletion cb, void *opaque)
+{
+ int ret;
+
+ if (kvm_enabled() && !kvm_has_sync_mmu()) {
+ qerror_report(QERR_KVM_MISSING_CAP, "synchronous MMU", "balloon");
+ return -1;
+ }
+
+ ret = qemu_balloon_status(cb, opaque);
+ if (!ret) {
+ qerror_report(QERR_DEVICE_NOT_ACTIVE, "balloon");
+ return -1;
+ }
+
+ return 0;
+}
+
+/**
+ * do_balloon(): Request VM to change its memory allocation
+ */
+int do_balloon(Monitor *mon, const QDict *params,
+ MonitorCompletion cb, void *opaque)
+{
+ int ret;
+
+ if (kvm_enabled() && !kvm_has_sync_mmu()) {
+ qerror_report(QERR_KVM_MISSING_CAP, "synchronous MMU", "balloon");
+ return -1;
+ }
+
+ ret = qemu_balloon(qdict_get_int(params, "value"), cb, opaque);
+ if (ret == 0) {
+ qerror_report(QERR_DEVICE_NOT_ACTIVE, "balloon");
+ return -1;
+ }
+
+ cb(opaque, NULL);
+ return 0;
+}
diff --git a/balloon.h b/balloon.h
index 8c019eb..d478e28 100644
--- a/balloon.h
+++ b/balloon.h
@@ -14,6 +14,8 @@
#ifndef _QEMU_BALLOON_H
#define _QEMU_BALLOON_H
+#include "monitor.h"
+
typedef void (QEMUBalloonEvent)(void *opaque, ram_addr_t target,
MonitorCompletion cb, void *cb_data);
@@ -23,4 +25,9 @@ int qemu_balloon(ram_addr_t target, MonitorCompletion cb, void *opaque);
int qemu_balloon_status(MonitorCompletion cb, void *opaque);
+void monitor_print_balloon(Monitor *mon, const QObject *data);
+int do_info_balloon(Monitor *mon, MonitorCompletion cb, void *opaque);
+int do_balloon(Monitor *mon, const QDict *params,
+ MonitorCompletion cb, void *opaque);
+
#endif
diff --git a/monitor.c b/monitor.c
index 822dc27..5659991 100644
--- a/monitor.c
+++ b/monitor.c
@@ -2266,91 +2266,6 @@ static void do_info_status(Monitor *mon, QObject **ret_data)
vm_running, singlestep);
}
-static void print_balloon_stat(const char *key, QObject *obj, void *opaque)
-{
- Monitor *mon = opaque;
-
- if (strcmp(key, "actual"))
- monitor_printf(mon, ",%s=%" PRId64, key,
- qint_get_int(qobject_to_qint(obj)));
-}
-
-static void monitor_print_balloon(Monitor *mon, const QObject *data)
-{
- QDict *qdict;
-
- qdict = qobject_to_qdict(data);
- if (!qdict_haskey(qdict, "actual"))
- return;
-
- monitor_printf(mon, "balloon: actual=%" PRId64,
- qdict_get_int(qdict, "actual") >> 20);
- qdict_iter(qdict, print_balloon_stat, mon);
- monitor_printf(mon, "\n");
-}
-
-/**
- * do_info_balloon(): Balloon information
- *
- * Make an asynchronous request for balloon info. When the request completes
- * a QDict will be returned according to the following specification:
- *
- * - "actual": current balloon value in bytes
- * The following fields may or may not be present:
- * - "mem_swapped_in": Amount of memory swapped in (bytes)
- * - "mem_swapped_out": Amount of memory swapped out (bytes)
- * - "major_page_faults": Number of major faults
- * - "minor_page_faults": Number of minor faults
- * - "free_mem": Total amount of free and unused memory (bytes)
- * - "total_mem": Total amount of available memory (bytes)
- *
- * Example:
- *
- * { "actual": 1073741824, "mem_swapped_in": 0, "mem_swapped_out": 0,
- * "major_page_faults": 142, "minor_page_faults": 239245,
- * "free_mem": 1014185984, "total_mem": 1044668416 }
- */
-static int do_info_balloon(Monitor *mon, MonitorCompletion cb, void *opaque)
-{
- int ret;
-
- if (kvm_enabled() && !kvm_has_sync_mmu()) {
- qerror_report(QERR_KVM_MISSING_CAP, "synchronous MMU", "balloon");
- return -1;
- }
-
- ret = qemu_balloon_status(cb, opaque);
- if (!ret) {
- qerror_report(QERR_DEVICE_NOT_ACTIVE, "balloon");
- return -1;
- }
-
- return 0;
-}
-
-/**
- * do_balloon(): Request VM to change its memory allocation
- */
-static int do_balloon(Monitor *mon, const QDict *params,
- MonitorCompletion cb, void *opaque)
-{
- int ret;
-
- if (kvm_enabled() && !kvm_has_sync_mmu()) {
- qerror_report(QERR_KVM_MISSING_CAP, "synchronous MMU", "balloon");
- return -1;
- }
-
- ret = qemu_balloon(qdict_get_int(params, "value"), cb, opaque);
- if (ret == 0) {
- qerror_report(QERR_DEVICE_NOT_ACTIVE, "balloon");
- return -1;
- }
-
- cb(opaque, NULL);
- return 0;
-}
-
static qemu_acl *find_acl(Monitor *mon, const char *name)
{
qemu_acl *acl = qemu_acl_find(name);
diff --git a/vl.c b/vl.c
index 2c5e9ef..fc5b0cf 100644
--- a/vl.c
+++ b/vl.c
@@ -146,7 +146,6 @@ int main(int argc, char **argv)
#include "audio/audio.h"
#include "migration.h"
#include "kvm.h"
-#include "balloon.h"
#include "qemu-option.h"
#include "qemu-config.h"
#include "qemu-objects.h"
@@ -307,39 +306,6 @@ static void set_proc_name(const char *s)
#endif
}
-/***************/
-/* ballooning */
-
-static QEMUBalloonEvent *qemu_balloon_event;
-void *qemu_balloon_event_opaque;
-
-void qemu_add_balloon_handler(QEMUBalloonEvent *func, void *opaque)
-{
- qemu_balloon_event = func;
- qemu_balloon_event_opaque = opaque;
-}
-
-int qemu_balloon(ram_addr_t target, MonitorCompletion cb, void *opaque)
-{
- if (qemu_balloon_event) {
- qemu_balloon_event(qemu_balloon_event_opaque, target, cb, opaque);
- return 1;
- } else {
- return 0;
- }
-}
-
-int qemu_balloon_status(MonitorCompletion cb, void *opaque)
-{
- if (qemu_balloon_event) {
- qemu_balloon_event(qemu_balloon_event_opaque, 0, cb, opaque);
- return 1;
- } else {
- return 0;
- }
-}
-
-
/***********************************************************/
/* real time host monotonic timer */
generated by cgit v1.1 at 2024-12-23 02:51:46 +0000