diff options
| -rw-r--r-- | numa.c | 84 | ||||
| -rw-r--r-- | qapi-schema.json | 40 | ||||
| -rw-r--r-- | qmp-commands.hx | 38 |
3 files changed, 162 insertions, 0 deletions
@@ -34,6 +34,7 @@ #include "qapi/qmp/qerror.h" #include "hw/boards.h" #include "sysemu/hostmem.h" +#include "qmp-commands.h" QemuOptsList qemu_numa_opts = { .name = "numa", @@ -283,3 +284,86 @@ void memory_region_allocate_system_memory(MemoryRegion *mr, Object *owner, addr += size; } } + +static int query_memdev(Object *obj, void *opaque) +{ + MemdevList **list = opaque; + Error *err = NULL; + + if (object_dynamic_cast(obj, TYPE_MEMORY_BACKEND)) { + MemdevList *m = g_malloc0(sizeof(*m)); + + m->value = g_malloc0(sizeof(*m->value)); + + m->value->size = object_property_get_int(obj, "size", + &err); + if (err) { + goto error; + } + + m->value->merge = object_property_get_bool(obj, "merge", + &err); + if (err) { + goto error; + } + + m->value->dump = object_property_get_bool(obj, "dump", + &err); + if (err) { + goto error; + } + + m->value->prealloc = object_property_get_bool(obj, + "prealloc", &err); + if (err) { + goto error; + } + + m->value->policy = object_property_get_enum(obj, + "policy", + HostMemPolicy_lookup, + &err); + if (err) { + goto error; + } + + object_property_get_uint16List(obj, "host-nodes", + &m->value->host_nodes, &err); + if (err) { + goto error; + } + + m->next = *list; + *list = m; + } + + return 0; +error: + return -1; +} + +MemdevList *qmp_query_memdev(Error **errp) +{ + Object *obj; + MemdevList *list = NULL, *m; + + obj = object_resolve_path("/objects", NULL); + if (obj == NULL) { + return NULL; + } + + if (object_child_foreach(obj, query_memdev, &list) != 0) { + goto error; + } + + return list; + +error: + while (list) { + m = list; + list = list->next; + g_free(m->value); + g_free(m); + } + return NULL; +} diff --git a/qapi-schema.json b/qapi-schema.json index 10a324a79a..082bc3ab4e 100644 --- a/qapi-schema.json +++ b/qapi-schema.json @@ -3154,3 +3154,43 @@ ## { 'enum': 'HostMemPolicy', 'data': [ 'default', 'preferred', 'bind', 'interleave' ] } + +## +# @Memdev: +# +# Information of memory device +# +# @size: memory device size +# +# @merge: enables or disables memory merge support +# +# @dump: includes memory device's memory in a core dump or not +# +# @prealloc: enables or disables memory preallocation +# +# @host-nodes: host nodes for its memory policy +# +# @policy: memory policy of memory device +# +# Since: 2.1 +## + +{ 'type': 'Memdev', + 'data': { + 'size': 'size', + 'merge': 'bool', + 'dump': 'bool', + 'prealloc': 'bool', + 'host-nodes': ['uint16'], + 'policy': 'HostMemPolicy' }} + +## +# @query-memdev: +# +# Returns information for all memory devices. +# +# Returns: a list of @Memdev. +# +# Since: 2.1 +## +{ 'command': 'query-memdev', 'returns': ['Memdev'] } diff --git a/qmp-commands.hx b/qmp-commands.hx index d6bb0f483f..d99f23591a 100644 --- a/qmp-commands.hx +++ b/qmp-commands.hx @@ -3574,3 +3574,41 @@ Example: } } ] } EQMP + + { + .name = "query-memdev", + .args_type = "", + .mhandler.cmd_new = qmp_marshal_input_query_memdev, + }, + +SQMP +query-memdev +------------ + +Show memory devices information. + + +Example (1): + +-> { "execute": "query-memdev" } +<- { "return": [ + { + "size": 536870912, + "merge": false, + "dump": true, + "prealloc": false, + "host-nodes": [0, 1], + "policy": "bind" + }, + { + "size": 536870912, + "merge": false, + "dump": true, + "prealloc": true, + "host-nodes": [2, 3], + "policy": "preferred" + } + ] + } + +EQMP |