Revision cfdf2c40 monitor.c
| b/monitor.c | ||
|---|---|---|
| 2053 | 2053 |
vm_running, singlestep); |
| 2054 | 2054 |
} |
| 2055 | 2055 |
|
| 2056 |
static ram_addr_t balloon_get_value(void) |
|
| 2057 |
{
|
|
| 2058 |
ram_addr_t actual; |
|
| 2059 |
|
|
| 2060 |
if (kvm_enabled() && !kvm_has_sync_mmu()) {
|
|
| 2061 |
qemu_error_new(QERR_KVM_MISSING_CAP, "synchronous MMU", "balloon"); |
|
| 2062 |
return 0; |
|
| 2063 |
} |
|
| 2064 |
|
|
| 2065 |
actual = qemu_balloon_status(); |
|
| 2066 |
if (actual == 0) {
|
|
| 2067 |
qemu_error_new(QERR_DEVICE_NOT_ACTIVE, "balloon"); |
|
| 2068 |
return 0; |
|
| 2069 |
} |
|
| 2070 |
|
|
| 2071 |
return actual; |
|
| 2072 |
} |
|
| 2073 |
|
|
| 2056 | 2074 |
/** |
| 2057 | 2075 |
* do_balloon(): Request VM to change its memory allocation |
| 2058 | 2076 |
*/ |
| 2059 | 2077 |
static void do_balloon(Monitor *mon, const QDict *qdict, QObject **ret_data) |
| 2060 | 2078 |
{
|
| 2061 |
int value = qdict_get_int(qdict, "value"); |
|
| 2062 |
ram_addr_t target = value; |
|
| 2063 |
qemu_balloon(target << 20); |
|
| 2079 |
if (balloon_get_value()) {
|
|
| 2080 |
/* ballooning is active */ |
|
| 2081 |
ram_addr_t value = qdict_get_int(qdict, "value"); |
|
| 2082 |
qemu_balloon(value << 20); |
|
| 2083 |
} |
|
| 2064 | 2084 |
} |
| 2065 | 2085 |
|
| 2066 | 2086 |
static void monitor_print_balloon(Monitor *mon, const QObject *data) |
| ... | ... | |
| 2088 | 2108 |
{
|
| 2089 | 2109 |
ram_addr_t actual; |
| 2090 | 2110 |
|
| 2091 |
actual = qemu_balloon_status(); |
|
| 2092 |
if (kvm_enabled() && !kvm_has_sync_mmu()) |
|
| 2093 |
qemu_error_new(QERR_KVM_MISSING_CAP, "synchronous MMU", "balloon"); |
|
| 2094 |
else if (actual == 0) |
|
| 2095 |
qemu_error_new(QERR_DEVICE_NOT_ACTIVE, "balloon"); |
|
| 2096 |
else |
|
| 2111 |
actual = balloon_get_value(); |
|
| 2112 |
if (actual != 0) {
|
|
| 2097 | 2113 |
*ret_data = qobject_from_jsonf("{ 'balloon': %" PRId64 "}",
|
| 2098 | 2114 |
(int64_t) actual); |
| 2115 |
} |
|
| 2099 | 2116 |
} |
| 2100 | 2117 |
|
| 2101 | 2118 |
static qemu_acl *find_acl(Monitor *mon, const char *name) |
Also available in: Unified diff