i386: Update new x86_apicid parsing rules with die_offset support

[mirror_qemu.git] / backends / hostmem.c

diff --git a/backends/hostmem.c b/backends/hostmem.c
index 1a8934203996003565be9cb515eb5e642283a71a..463102aa15df7d21fd034c02dfb68770d9342431 100644 (file)
--- a/backends/hostmem.c
+++ b/backends/hostmem.c
@@ -28,6 +28,16 @@ QEMU_BUILD_BUG_ON(HOST_MEM_POLICY_BIND != MPOL_BIND);
 QEMU_BUILD_BUG_ON(HOST_MEM_POLICY_INTERLEAVE != MPOL_INTERLEAVE);
 #endif
 
+char *
+host_memory_backend_get_name(HostMemoryBackend *backend)
+{
+    if (!backend->use_canonical_path) {
+        return object_get_canonical_path_component(OBJECT(backend));
+    }
+
+    return object_get_canonical_path(OBJECT(backend));
+}
+
 static void
 host_memory_backend_get_size(Object *obj, Visitor *v, const char *name,
                              void *opaque, Error **errp)
@@ -47,7 +57,8 @@ host_memory_backend_set_size(Object *obj, Visitor *v, const char *name,
     uint64_t value;
 
     if (host_memory_backend_mr_inited(backend)) {
-        error_setg(&local_err, "cannot change property value");
+        error_setg(&local_err, "cannot change property %s of %s ",
+                   name, object_get_typename(obj));
         goto out;
     }
 
@@ -56,8 +67,9 @@ host_memory_backend_set_size(Object *obj, Visitor *v, const char *name,
         goto out;
     }
     if (!value) {
-        error_setg(&local_err, "Property '%s.%s' doesn't take value '%"
-                   PRIu64 "'", object_get_typename(obj), name, value);
+        error_setg(&local_err,
+                   "property '%s' of %s doesn't take value '%" PRIu64 "'",
+                   name, object_get_typename(obj), value);
         goto out;
     }
     backend->size = value;
@@ -76,7 +88,7 @@ host_memory_backend_get_host_nodes(Object *obj, Visitor *v, const char *name,
 
     value = find_first_bit(backend->host_nodes, MAX_NODES);
     if (value == MAX_NODES) {
-        return;
+        goto ret;
     }
 
     *node = g_malloc0(sizeof(**node));
@@ -94,6 +106,7 @@ host_memory_backend_get_host_nodes(Object *obj, Visitor *v, const char *name,
         node = &(*node)->next;
     } while (true);
 
+ret:
     visit_type_uint16List(v, name, &host_nodes, errp);
 }
 
@@ -103,14 +116,23 @@ host_memory_backend_set_host_nodes(Object *obj, Visitor *v, const char *name,
 {
 #ifdef CONFIG_NUMA
     HostMemoryBackend *backend = MEMORY_BACKEND(obj);
-    uint16List *l = NULL;
+    uint16List *l, *host_nodes = NULL;
+
+    visit_type_uint16List(v, name, &host_nodes, errp);
 
-    visit_type_uint16List(v, name, &l, errp);
+    for (l = host_nodes; l; l = l->next) {
+        if (l->value >= MAX_NODES) {
+            error_setg(errp, "Invalid host-nodes value: %d", l->value);
+            goto out;
+        }
+    }
 
-    while (l) {
+    for (l = host_nodes; l; l = l->next) {
         bitmap_set(backend->host_nodes, l->value, 1);
-        l = l->next;
     }
+
+out:
+    qapi_free_uint16List(host_nodes);
 #else
     error_setg(errp, "NUMA node binding are not supported by this QEMU");
 #endif
@@ -200,6 +222,7 @@ 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) {
@@ -219,7 +242,7 @@ static void host_memory_backend_set_prealloc(Object *obj, bool value,
         void *ptr = memory_region_get_ram_ptr(&backend->mr);
         uint64_t sz = memory_region_size(&backend->mr);
 
-        os_mem_prealloc(fd, ptr, sz, smp_cpus, &local_err);
+        os_mem_prealloc(fd, ptr, sz, ms->smp.cpus, &local_err);
         if (local_err) {
             error_propagate(errp, local_err);
             return;
@@ -238,6 +261,11 @@ static void host_memory_backend_init(Object *obj)
     backend->prealloc = mem_prealloc;
 }
 
+static void host_memory_backend_post_init(Object *obj)
+{
+    object_apply_compat_props(obj);
+}
+
 bool host_memory_backend_mr_inited(HostMemoryBackend *backend)
 {
     /*
@@ -284,6 +312,7 @@ host_memory_backend_memory_complete(UserCreatable *uc, Error **errp)
 {
     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;
@@ -348,7 +377,7 @@ host_memory_backend_memory_complete(UserCreatable *uc, Error **errp)
          */
         if (backend->prealloc) {
             os_mem_prealloc(memory_region_get_fd(&backend->mr), ptr, sz,
-                            smp_cpus, &local_err);
+                            ms->smp.cpus, &local_err);
             if (local_err) {
                 goto out;
             }
@@ -386,6 +415,23 @@ static void host_memory_backend_set_share(Object *o, bool value, Error **errp)
     backend->share = value;
 }
 
+static bool
+host_memory_backend_get_use_canonical_path(Object *obj, Error **errp)
+{
+    HostMemoryBackend *backend = MEMORY_BACKEND(obj);
+
+    return backend->use_canonical_path;
+}
+
+static void
+host_memory_backend_set_use_canonical_path(Object *obj, bool value,
+                                           Error **errp)
+{
+    HostMemoryBackend *backend = MEMORY_BACKEND(obj);
+
+    backend->use_canonical_path = value;
+}
+
 static void
 host_memory_backend_class_init(ObjectClass *oc, void *data)
 {
@@ -432,6 +478,9 @@ host_memory_backend_class_init(ObjectClass *oc, void *data)
         &error_abort);
     object_class_property_set_description(oc, "share",
         "Mark the memory as private to QEMU or shared", &error_abort);
+    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);
 }
 
 static const TypeInfo host_memory_backend_info = {
@@ -442,6 +491,7 @@ static const TypeInfo host_memory_backend_info = {
     .class_init = host_memory_backend_class_init,
     .instance_size = sizeof(HostMemoryBackend),
     .instance_init = host_memory_backend_init,
+    .instance_post_init = host_memory_backend_post_init,
     .interfaces = (InterfaceInfo[]) {
         { TYPE_USER_CREATABLE },
         { }