diff options
author | zhanghailiang <zhang.zhanghailiang@huawei.com> | 2014-11-17 13:11:08 +0800 |
---|---|---|
committer | Luiz Capitulino <lcapitulino@redhat.com> | 2015-03-04 13:00:04 -0500 |
commit | 87a45cfee6b169a68e43f284a8a3c1bc20bd5dc9 (patch) | |
tree | 1dc22e400df100c87fb2c7c763fed45db0b2b76b /hw/mem | |
parent | 3539bbb93e944ffde31c61c369ea9eedcc5697a6 (diff) | |
download | qemu-87a45cfee6b169a68e43f284a8a3c1bc20bd5dc9.zip qemu-87a45cfee6b169a68e43f284a8a3c1bc20bd5dc9.tar.gz qemu-87a45cfee6b169a68e43f284a8a3c1bc20bd5dc9.tar.bz2 |
pc-dimm: add a function to calculate VM's current RAM size
The global parameter 'ram_size' does not take into account
the hotplugged memory.
In some codes, we use 'ram_size' as current VM's real RAM size,
which is not correct.
Add function 'get_current_ram_size' to calculate VM's current RAM size,
it will enumerate present memory devices and also plus ram_size.
Signed-off-by: zhanghailiang <zhang.zhanghailiang@huawei.com>
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
Diffstat (limited to 'hw/mem')
-rw-r--r-- | hw/mem/pc-dimm.c | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/hw/mem/pc-dimm.c b/hw/mem/pc-dimm.c index f27a087..de81b9c 100644 --- a/hw/mem/pc-dimm.c +++ b/hw/mem/pc-dimm.c @@ -100,6 +100,32 @@ int qmp_pc_dimm_device_list(Object *obj, void *opaque) return 0; } +ram_addr_t get_current_ram_size(void) +{ + MemoryDeviceInfoList *info_list = NULL; + MemoryDeviceInfoList **prev = &info_list; + MemoryDeviceInfoList *info; + ram_addr_t size = ram_size; + + qmp_pc_dimm_device_list(qdev_get_machine(), &prev); + for (info = info_list; info; info = info->next) { + MemoryDeviceInfo *value = info->value; + + if (value) { + switch (value->kind) { + case MEMORY_DEVICE_INFO_KIND_DIMM: + size += value->dimm->size; + break; + default: + break; + } + } + } + qapi_free_MemoryDeviceInfoList(info_list); + + return size; +} + static int pc_dimm_slot2bitmap(Object *obj, void *opaque) { unsigned long *bitmap = opaque; |