void *opaque, Error **errp)
{
HostMemoryBackend *backend = MEMORY_BACKEND(obj);
- Error *local_err = NULL;
uint64_t value;
if (host_memory_backend_mr_inited(backend)) {
- error_setg(&local_err, "cannot change property %s of %s ",
- name, object_get_typename(obj));
- goto out;
+ error_setg(errp, "cannot change property %s of %s ", name,
+ object_get_typename(obj));
+ return;
}
- visit_type_size(v, name, &value, &local_err);
- if (local_err) {
- goto out;
+ if (!visit_type_size(v, name, &value, errp)) {
+ return;
}
if (!value) {
- error_setg(&local_err,
+ error_setg(errp,
"property '%s' of %s doesn't take value '%" PRIu64 "'",
name, object_get_typename(obj), value);
- goto out;
+ return;
}
backend->size = value;
-out:
- error_propagate(errp, local_err);
}
static void
{
HostMemoryBackend *backend = MEMORY_BACKEND(obj);
- return backend->prealloc || backend->force_prealloc;
+ return backend->prealloc;
}
static void host_memory_backend_set_prealloc(Object *obj, bool value,
{
Error *local_err = NULL;
HostMemoryBackend *backend = MEMORY_BACKEND(obj);
- MachineState *ms = MACHINE(qdev_get_machine());
-
- if (backend->force_prealloc) {
- if (value) {
- error_setg(errp,
- "remove -mem-prealloc to use the prealloc property");
- return;
- }
- }
if (!host_memory_backend_mr_inited(backend)) {
backend->prealloc = value;
void *ptr = memory_region_get_ram_ptr(&backend->mr);
uint64_t sz = memory_region_size(&backend->mr);
- os_mem_prealloc(fd, ptr, sz, ms->smp.cpus, &local_err);
+ os_mem_prealloc(fd, ptr, sz, backend->prealloc_threads, &local_err);
if (local_err) {
error_propagate(errp, local_err);
return;
}
}
+static void host_memory_backend_get_prealloc_threads(Object *obj, Visitor *v,
+ const char *name, void *opaque, Error **errp)
+{
+ HostMemoryBackend *backend = MEMORY_BACKEND(obj);
+ visit_type_uint32(v, name, &backend->prealloc_threads, errp);
+}
+
+static void host_memory_backend_set_prealloc_threads(Object *obj, Visitor *v,
+ const char *name, void *opaque, Error **errp)
+{
+ HostMemoryBackend *backend = MEMORY_BACKEND(obj);
+ uint32_t value;
+
+ if (!visit_type_uint32(v, name, &value, errp)) {
+ return;
+ }
+ if (value <= 0) {
+ error_setg(errp, "property '%s' of %s doesn't take value '%d'", name,
+ object_get_typename(obj), value);
+ return;
+ }
+ backend->prealloc_threads = value;
+}
+
static void host_memory_backend_init(Object *obj)
{
HostMemoryBackend *backend = MEMORY_BACKEND(obj);
MachineState *machine = MACHINE(qdev_get_machine());
+ /* TODO: convert access to globals to compat properties */
backend->merge = machine_mem_merge(machine);
backend->dump = machine_dump_guest_core(machine);
- backend->prealloc = mem_prealloc;
+ backend->prealloc_threads = 1;
}
static void host_memory_backend_post_init(Object *obj)
{
HostMemoryBackend *backend = MEMORY_BACKEND(uc);
HostMemoryBackendClass *bc = MEMORY_BACKEND_GET_CLASS(uc);
- MachineState *ms = MACHINE(qdev_get_machine());
Error *local_err = NULL;
void *ptr;
uint64_t sz;
assert(sizeof(backend->host_nodes) >=
BITS_TO_LONGS(MAX_NODES + 1) * sizeof(unsigned long));
assert(maxnode <= MAX_NODES);
- if (mbind(ptr, sz, backend->policy,
- maxnode ? backend->host_nodes : NULL, maxnode + 1, flags)) {
+
+ if (maxnode &&
+ mbind(ptr, sz, backend->policy, backend->host_nodes, maxnode + 1,
+ flags)) {
if (backend->policy != MPOL_DEFAULT || errno != ENOSYS) {
error_setg_errno(errp, errno,
"cannot bind memory to host NUMA nodes");
*/
if (backend->prealloc) {
os_mem_prealloc(memory_region_get_fd(&backend->mr), ptr, sz,
- ms->smp.cpus, &local_err);
+ backend->prealloc_threads, &local_err);
if (local_err) {
goto out;
}
object_class_property_add_bool(oc, "merge",
host_memory_backend_get_merge,
- host_memory_backend_set_merge, &error_abort);
+ host_memory_backend_set_merge);
object_class_property_set_description(oc, "merge",
- "Mark memory as mergeable", &error_abort);
+ "Mark memory as mergeable");
object_class_property_add_bool(oc, "dump",
host_memory_backend_get_dump,
- host_memory_backend_set_dump, &error_abort);
+ host_memory_backend_set_dump);
object_class_property_set_description(oc, "dump",
- "Set to 'off' to exclude from core dump", &error_abort);
+ "Set to 'off' to exclude from core dump");
object_class_property_add_bool(oc, "prealloc",
host_memory_backend_get_prealloc,
- host_memory_backend_set_prealloc, &error_abort);
+ host_memory_backend_set_prealloc);
object_class_property_set_description(oc, "prealloc",
- "Preallocate memory", &error_abort);
+ "Preallocate memory");
+ object_class_property_add(oc, "prealloc-threads", "int",
+ host_memory_backend_get_prealloc_threads,
+ host_memory_backend_set_prealloc_threads,
+ NULL, NULL);
+ object_class_property_set_description(oc, "prealloc-threads",
+ "Number of CPU threads to use for prealloc");
object_class_property_add(oc, "size", "int",
host_memory_backend_get_size,
host_memory_backend_set_size,
- NULL, NULL, &error_abort);
+ NULL, NULL);
object_class_property_set_description(oc, "size",
- "Size of the memory region (ex: 500M)", &error_abort);
+ "Size of the memory region (ex: 500M)");
object_class_property_add(oc, "host-nodes", "int",
host_memory_backend_get_host_nodes,
host_memory_backend_set_host_nodes,
- NULL, NULL, &error_abort);
+ NULL, NULL);
object_class_property_set_description(oc, "host-nodes",
- "Binds memory to the list of NUMA host nodes", &error_abort);
+ "Binds memory to the list of NUMA host nodes");
object_class_property_add_enum(oc, "policy", "HostMemPolicy",
&HostMemPolicy_lookup,
host_memory_backend_get_policy,
- host_memory_backend_set_policy, &error_abort);
+ host_memory_backend_set_policy);
object_class_property_set_description(oc, "policy",
- "Set the NUMA policy", &error_abort);
+ "Set the NUMA policy");
object_class_property_add_bool(oc, "share",
- host_memory_backend_get_share, host_memory_backend_set_share,
- &error_abort);
+ host_memory_backend_get_share, host_memory_backend_set_share);
object_class_property_set_description(oc, "share",
- "Mark the memory as private to QEMU or shared", &error_abort);
+ "Mark the memory as private to QEMU or shared");
object_class_property_add_bool(oc, "x-use-canonical-path-for-ramblock-id",
host_memory_backend_get_use_canonical_path,
- host_memory_backend_set_use_canonical_path, &error_abort);
+ host_memory_backend_set_use_canonical_path);
}
static const TypeInfo host_memory_backend_info = {
projects / mirror_qemu.git / blobdiff