Re: [PATCH v2 22/27] qemu: Wire up <memory/> live update

As advertised in the previous commit, we want' to be able to change 'requested-size' attribute of virtio-mem on the fly. This commit does exactly that. Changing anything else is checked for and forbidden. Signed-off-by: Michal Privoznik <mprivozn(a)redhat.com&gt; --- src/conf/domain_conf.c | 23 +++++ src/conf/domain_conf.h | 3 + src/libvirt_private.syms | 1 + src/qemu/qemu_driver.c | 165 ++++++++++++++++++++++++++++++++++- src/qemu/qemu_hotplug.c | 18 ++++ src/qemu/qemu_hotplug.h | 5 ++ src/qemu/qemu_monitor.c | 13 +++ src/qemu/qemu_monitor.h | 4 + src/qemu/qemu_monitor_json.c | 15 ++++ src/qemu/qemu_monitor_json.h | 5 ++ 10 files changed, 251 insertions(+), 1 deletion(-) diff --git a/src/conf/domain_conf.c b/src/conf/domain_conf.c index 0551f6f266..a4293f1749 100644 --- a/src/conf/domain_conf.c +++ b/src/conf/domain_conf.c @@ -18762,6 +18762,29 @@ virDomainMemoryFindInactiveByDef(virDomainDefPtr def, } +ssize_t +virDomainMemoryFindByDeviceInfo(virDomainDefPtr def, + virDomainDeviceInfoPtr info) +{ + size_t i; + + for (i = 0; i < def->nmems; i++) { + virDomainMemoryDefPtr tmp = def->mems[i]; + + if (!virDomainDeviceInfoAddressIsEqual(&tmp->info, info)) + continue; + + /* alias, if present */ + if (STRNEQ_NULLABLE(tmp->info.alias, info->alias))

+ continue; + + return i; + } + + return -1; +} + + /** * virDomainMemoryInsert: *