From patchwork Wed Mar 26 10:37:03 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Hu Tao X-Patchwork-Id: 333819 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from lists.gnu.org (lists.gnu.org [IPv6:2001:4830:134:3::11]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 3D86F14008F for ; Wed, 26 Mar 2014 22:19:48 +1100 (EST) Received: from localhost ([::1]:47014 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1WSls1-0003Pp-VG for incoming@patchwork.ozlabs.org; Wed, 26 Mar 2014 07:19:45 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:38530) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1WSlkc-0003UD-9e for qemu-devel@nongnu.org; Wed, 26 Mar 2014 07:12:10 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1WSlkX-0003X0-Mo for qemu-devel@nongnu.org; Wed, 26 Mar 2014 07:12:06 -0400 Received: from [59.151.112.132] (port=39279 helo=heian.cn.fujitsu.com) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1WSlkW-0003Us-FI for qemu-devel@nongnu.org; Wed, 26 Mar 2014 07:12:01 -0400 X-IronPort-AV: E=Sophos;i="4.97,734,1389715200"; d="scan'208";a="28487345" Received: from unknown (HELO edo.cn.fujitsu.com) ([10.167.33.5]) by heian.cn.fujitsu.com with ESMTP; 26 Mar 2014 18:34:35 +0800 Received: from G08CNEXCHPEKD01.g08.fujitsu.local (localhost.localdomain [127.0.0.1]) by edo.cn.fujitsu.com (8.14.3/8.13.1) with ESMTP id s2QAapw5003096; Wed, 26 Mar 2014 18:36:57 +0800 Received: from G08CNEXMBPEKD03.g08.fujitsu.local ([10.167.33.86]) by G08CNEXCHPEKD01.g08.fujitsu.local ([10.167.33.80]) with mapi id 14.03.0146.002; Wed, 26 Mar 2014 18:37:08 +0800 From: "hutao@cn.fujitsu.com" To: "qemu-devel@nongnu.org" Thread-Topic: [PATCH v3 33/34] qmp: add query-memdev Thread-Index: AQHPSN9V0swcxSo8ukOSkiB0VEtcAg== Date: Wed, 26 Mar 2014 10:37:03 +0000 Message-ID: References: In-Reply-To: Accept-Language: zh-CN, en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.167.226.102] Content-ID: <6107AE9F5713A44D9C0A2DFA7F7BAC79@fujitsu.local> MIME-Version: 1.0 X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 59.151.112.132 Cc: "ehabkost@redhat.com" , "imammedo@redhat.com" , "mtosatti@redhat.com" , Paolo Bonzini , "a.motakis@virtualopensystems.com" , "gaowanlong@cn.fujitsu.com" Subject: [Qemu-devel] [PATCH v3 33/34] qmp: add query-memdev X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Add qmp command query-memdev to query for information of memory devices Signed-off-by: Hu Tao --- numa.c | 72 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++ qapi-schema.json | 34 ++++++++++++++++++++++++++ qmp-commands.hx | 32 +++++++++++++++++++++++++ 3 files changed, 138 insertions(+) -- 1.8.5.2.229.g4448466 diff --git a/numa.c b/numa.c index fa117f0..77b6ca1 100644 --- a/numa.c +++ b/numa.c @@ -32,9 +32,14 @@ #include "qapi-visit.h" #include "qapi/opts-visitor.h" #include "qapi/dealloc-visitor.h" +#include "qapi/qmp-output-visitor.h" +#include "qapi/qmp-input-visitor.h" +#include "qapi/string-output-visitor.h" +#include "qapi/string-input-visitor.h" #include "qapi/qmp/qerror.h" #include "hw/boards.h" #include "sysemu/hostmem.h" +#include "qmp-commands.h" QemuOptsList qemu_numa_opts = { .name = "numa", @@ -281,3 +286,70 @@ void memory_region_allocate_system_memory(MemoryRegion *mr, Object *owner, addr += size; } } + +MemdevList *qmp_query_memdev(Error **errp) +{ + MemdevList *list = NULL, *m; + HostMemoryBackend *backend; + Error *err = NULL; + int i; + + for (i = 0; i < nb_numa_nodes; i++) { + backend = numa_info[i].node_memdev; + + m = g_malloc0(sizeof(*m)); + m->value = g_malloc0(sizeof(*m->value)); + m->value->size = object_property_get_int(OBJECT(backend), "size", + &err); + if (err) { + goto error; + } + + m->value->merge = object_property_get_bool(OBJECT(backend), "merge", + &err); + if (err) { + goto error; + } + + m->value->dump = object_property_get_bool(OBJECT(backend), "dump", + &err); + if (err) { + goto error; + } + + m->value->prealloc = object_property_get_bool(OBJECT(backend), + "prealloc", &err); + if (err) { + goto error; + } + + m->value->policy = object_property_get_enum(OBJECT(backend), + "policy", + HostMemPolicy_lookup, + &err); + if (err) { + goto error; + } + + object_property_get_uint16List(OBJECT(backend), "host-nodes", + &m->value->host_nodes, &err); + if (err) { + goto error; + } + + m->next = list; + list = m; + } + + return list; + +error: + while (list) { + m = list; + list = list->next; + g_free(m->value); + g_free(m); + } + qerror_report_err(err); + return NULL; +} diff --git a/qapi-schema.json b/qapi-schema.json index 5aea3ed..ee89d29 100644 --- a/qapi-schema.json +++ b/qapi-schema.json @@ -4743,3 +4743,37 @@ ## { 'enum': 'HostMemPolicy', 'data': [ 'default', 'preferred', 'bind', 'interleave' ] } + +## +# @Memdev: +# +# Information of memory device +# +# @size: memory device size +# +# @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 a22621f..a513b40 100644 --- a/qmp-commands.hx +++ b/qmp-commands.hx @@ -3560,3 +3560,35 @@ 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, + "host-nodes": [0, 1], + "policy": "bind" + }, + { + "size": 536870912, + "host-nodes": [2, 3], + "policy": "preferred" + } + ] + } + +EQMP