From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id A41B0C433FE for ; Wed, 23 Mar 2022 16:06:16 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234639AbiCWQHo (ORCPT ); Wed, 23 Mar 2022 12:07:44 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:42286 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S245366AbiCWQHn (ORCPT ); Wed, 23 Mar 2022 12:07:43 -0400 Received: from szxga02-in.huawei.com (szxga02-in.huawei.com [45.249.212.188]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E53A97C7A6 for ; Wed, 23 Mar 2022 09:06:11 -0700 (PDT) Received: from dggpemm500023.china.huawei.com (unknown [172.30.72.55]) by szxga02-in.huawei.com (SkyGuard) with ESMTP id 4KNtTZ0w8TzfZWm; Thu, 24 Mar 2022 00:04:34 +0800 (CST) Received: from dggpemm100005.china.huawei.com (7.185.36.231) by dggpemm500023.china.huawei.com (7.185.36.83) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2308.21; Thu, 24 Mar 2022 00:06:07 +0800 Received: from lhreml710-chm.china.huawei.com (10.201.108.61) by dggpemm100005.china.huawei.com (7.185.36.231) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2308.21; Thu, 24 Mar 2022 00:06:06 +0800 Received: from lhreml710-chm.china.huawei.com ([169.254.81.184]) by lhreml710-chm.china.huawei.com ([169.254.81.184]) with mapi id 15.01.2308.021; Wed, 23 Mar 2022 16:06:04 +0000 From: Shameerali Kolothum Thodi To: Robin Murphy , "linux-arm-kernel@lists.infradead.org" , "linux-acpi@vger.kernel.org" , "iommu@lists.linux-foundation.org" CC: "jon@solid-run.com" , Linuxarm , "steven.price@arm.com" , "Guohanjun (Hanjun Guo)" , yangyicong , "Sami.Mujawar@arm.com" , "will@kernel.org" , wanghuiqiang Subject: RE: [PATCH v8 05/11] ACPI/IORT: Add a helper to retrieve RMR memory regions Thread-Topic: [PATCH v8 05/11] ACPI/IORT: Add a helper to retrieve RMR memory regions Thread-Index: AQHYJzoHyQwMkRcbbE6vVIIVTT4JpazL8g2AgAFXK+A= Date: Wed, 23 Mar 2022 16:06:04 +0000 Message-ID: References: <20220221154344.2126-1-shameerali.kolothum.thodi@huawei.com> <20220221154344.2126-6-shameerali.kolothum.thodi@huawei.com> <479ae561-e03e-163e-f945-d0c8fdf8dcea@arm.com> In-Reply-To: <479ae561-e03e-163e-f945-d0c8fdf8dcea@arm.com> Accept-Language: en-GB, en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.202.227.178] Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 MIME-Version: 1.0 X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: linux-acpi@vger.kernel.org DQoNCj4gLS0tLS1PcmlnaW5hbCBNZXNzYWdlLS0tLS0NCj4gRnJvbTogUm9iaW4gTXVycGh5IFtt YWlsdG86cm9iaW4ubXVycGh5QGFybS5jb21dDQo+IFNlbnQ6IDIyIE1hcmNoIDIwMjIgMTk6MDkN Cj4gVG86IFNoYW1lZXJhbGkgS29sb3RodW0gVGhvZGkgPHNoYW1lZXJhbGkua29sb3RodW0udGhv ZGlAaHVhd2VpLmNvbT47DQo+IGxpbnV4LWFybS1rZXJuZWxAbGlzdHMuaW5mcmFkZWFkLm9yZzsg bGludXgtYWNwaUB2Z2VyLmtlcm5lbC5vcmc7DQo+IGlvbW11QGxpc3RzLmxpbnV4LWZvdW5kYXRp b24ub3JnDQo+IENjOiBqb25Ac29saWQtcnVuLmNvbTsgTGludXhhcm0gPGxpbnV4YXJtQGh1YXdl aS5jb20+Ow0KPiBzdGV2ZW4ucHJpY2VAYXJtLmNvbTsgR3VvaGFuanVuIChIYW5qdW4gR3VvKSA8 Z3VvaGFuanVuQGh1YXdlaS5jb20+Ow0KPiB5YW5neWljb25nIDx5YW5neWljb25nQGh1YXdlaS5j b20+OyBTYW1pLk11amF3YXJAYXJtLmNvbTsNCj4gd2lsbEBrZXJuZWwub3JnOyB3YW5naHVpcWlh bmcgPHdhbmdodWlxaWFuZ0BodWF3ZWkuY29tPg0KPiBTdWJqZWN0OiBSZTogW1BBVENIIHY4IDA1 LzExXSBBQ1BJL0lPUlQ6IEFkZCBhIGhlbHBlciB0byByZXRyaWV2ZSBSTVINCj4gbWVtb3J5IHJl Z2lvbnMNCj4gDQo+IE9uIDIwMjItMDItMjEgMTU6NDMsIFNoYW1lZXIgS29sb3RodW0gdmlhIGlv bW11IHdyb3RlOg0KPiA+IEFkZCBoZWxwZXIgZnVuY3Rpb25zIChpb3J0X2lvbW11X2dldC9wdXRf cm1ycygpKSB0aGF0DQo+ID4gcmV0cmlldmVzL3JlbGVhc2VzIFJNUiBtZW1vcnkgZGVzY3JpcHRv cnMgYXNzb2NpYXRlZA0KPiA+IHdpdGggYSBnaXZlbiBJT01NVS4gVGhpcyB3aWxsIGJlIHVzZWQg YnkgSU9NTVUgZHJpdmVycw0KPiA+IHRvIHNldCB1cCBuZWNlc3NhcnkgbWFwcGluZ3MuDQo+ID4N Cj4gPiBJbnZva2UgaXQgZnJvbSB0aGUgZ2VuZXJpYyBpb21tdSBoZWxwZXIgZnVuY3Rpb25zLg0K PiANCj4gaW9tbXVfZG1hX2dldF9yZXN2X3JlZ2lvbnMoKSBhbHJlYWR5IGV4aXN0cyAtIHBsZWFz ZSBleHRlbmQgdGhhdCByYXRoZXINCj4gdGhhbiBhZGRpbmcgYSBwYXJhbGxlbCBpbXBsZW1lbnRh dGlvbiBvZiB0aGUgc2FtZSB0aGluZyBidXQgZGlmZmVyZW50Lg0KPiBJT1JUIHNob3VsZCBleHBv cnQgYSBzaW5nbGUgZ2V0X3Jlc3ZfcmVnaW9ucyBoZWxwZXIgd2hpY2ggY29tYmluZXMgdGhlDQo+ IG5ldyBSTVJzIHdpdGggdGhlIGV4aXN0aW5nIE1TSSB3b3JrYXJvdW5kLCBhbmQgYSBzZXBhcmF0 ZSAiZG8gSSBuZWVkIHRvDQo+IGJ5cGFzcyB0aGlzIFN0cmVhbUlEIiBoZWxwZXIgZm9yIHRoZSBT TU1VIGRyaXZlcnMgdG8gY2FsbCBkaXJlY3RseSBhdA0KPiByZXNldCB0aW1lLCBzaW5jZSB0aGUg bGF0dGVyIGlzbid0IHJlYWxseSBhbiBpb21tdS1kbWEgcmVzcG9uc2liaWxpdHkuDQoNClJpZ2h0 LiBJIGFjdHVhbGx5IGhhZCBjb3VwbGUgb2YgYmFjayBhbmQgZm9ydGggb24gdGhlIGludGVyZmFj ZXMgYW5kIHNldHRsZWQNCm9uIHRoaXMgbWFpbmx5IGJlY2F1c2UgaXQganVzdCByZXF1aXJlcyBh IHNpbmdsZSBpbnRlcmZhY2UgZnJvbSBJT1JUIGZvciBib3RoDQpnZXRfcmVzdl9yZWdpb25zKCkg YW5kIFNNTVUgZHJpdmVyIHJlc2V0IGJ5cGFzcyBwYXRoLg0KaWUsIGlvcnRfaW9tbXVfZ2V0L3B1 dF9ybXJzKCkpLg0KDQpCdXQgYWdyZWUgdGhlIGFib3ZlIGNvbW1lbnQgaXMgYWxzbyB2YWxpZC4g DQoNCj4gSSdtIGhhcHB5IHRvIGRvIHRoYXQganVzdCBieSBzaHVmZmxpbmcgd3JhcHBlcnMgYXJv dW5kIGZvciBub3cgLSB3ZSBjYW4NCj4gY29tZSBiYWNrIGFuZCBzdHJlYW1saW5lIHRoZSBjb2Rl IHByb3Blcmx5IGFmdGVyd2FyZHMgLSBidXQgdGhlIHNoZWVyDQo+IGFtb3VudCBvZiBpbmRpcmVj dGlvbiBjdXJyZW50bHkgYXQgcGxheSBoZXJlIGlzIHNvIGhhcmQgdG8gZm9sbG93IHRoYXQNCj4g aXQncyBub3QgZXZlbiBhbGwgdGhhdCBlYXN5IHRvIHNlZSBob3cgaXQncyBjcm9zc2luZyBhYnN0 cmFjdGlvbiBsZXZlbHMNCj4gaW1wcm9wZXJseS4NCg0KUGxlYXNlIGZpbmQgYmVsb3cgdGhlIHJl dmlzZWQgb25lcy4gUGxlYXNlIHRha2UgYSBsb29rIGFuZCBsZXQgbWUga25vdy4NCg0KVGhhbmtz LA0KU2hhbWVlcg0KDQppb21tdS1kbWE6DQoNCnZvaWQgaW9tbXVfZG1hX2dldF9yZXN2X3JlZ2lv bnMoc3RydWN0IGRldmljZSAqZGV2LCBzdHJ1Y3QgbGlzdF9oZWFkICpsaXN0KSB7DQoNCiAgICAg ICAgaWYgKCFpc19vZl9ub2RlKGRldl9pb21tdV9md3NwZWNfZ2V0KGRldiktPmlvbW11X2Z3bm9k ZSkpDQogICAgICAgICAgICAgICAgaW9ydF9pb21tdV9nZXRfcmVzdl9yZWdpb25zKGRldiwgbGlz dCk7DQp9DQoNCnZvaWQgaW9tbXVfZG1hX3B1dF9yZXN2X3JlZ2lvbnMoc3RydWN0IGRldmljZSAq ZGV2LCBzdHJ1Y3QgbGlzdF9oZWFkICpsaXN0KSB7DQoNCiAgICAgICAgaWYgKCFpc19vZl9ub2Rl KGRldl9pb21tdV9md3NwZWNfZ2V0KGRldiktPmlvbW11X2Z3bm9kZSkpDQogICAgICAgICAgICAg ICAgaW9ydF9pb21tdV9wdXRfcmVzdl9yZWdpb25zKGRldiwgbGlzdCk7DQogICAgICAgIGdlbmVy aWNfaW9tbXVfcHV0X3Jlc3ZfcmVnaW9ucyhkZXYsIGxpc3QpOw0KfQ0KDQppb3J0Og0KDQp2b2lk IGlvcnRfaW9tbXVfZ2V0X3Jlc3ZfcmVnaW9ucyhzdHJ1Y3QgZGV2aWNlICpkZXYsIHN0cnVjdCBs aXN0X2hlYWQgKmhlYWQpIHsNCiAgICAgICAgc3RydWN0IGlvbW11X2Z3c3BlYyAqZndzcGVjID0g ZGV2X2lvbW11X2Z3c3BlY19nZXQoZGV2KTsNCg0KICAgICAgICBpb3J0X2lvbW11X21zaV9nZXRf cmVzdl9yZWdpb25zKGRldiwgaGVhZCk7DQogICAgICAgIGlvcnRfaW9tbXVfZ2V0X3JtcnMoZndz cGVjLT5pb21tdV9md25vZGUsIGRldiwgaGVhZCk7DQp9DQoNCnZvaWQgaW9ydF9pb21tdV9wdXRf cmVzdl9yZWdpb25zKHN0cnVjdCBkZXZpY2UgKmRldiwgc3RydWN0IGxpc3RfaGVhZCAqaGVhZCkg ew0KICAgLi8qRnJlZSBib3RoIFJNUnMgYW5kIEhXIE1TSSBvbmVzICovDQp9DQoNCi8qIFRoZSBi ZWxvdyBvbmVzIHdpbGwgYmUgZGlyZWN0bHkgY2FsbGVkIGZyb20gU01NVSBkcml2ZXJzIGR1cmlu ZyByZXNldCAqLw0Kdm9pZCBpb3J0X2dldF9ybXJfc2lkcyhzdHJ1Y3QgZndub2RlX2hhbmRsZSAq aW9tbXVfZndub2RlLCBzdHJ1Y3QgbGlzdF9oZWFkICpoZWFkKSB7DQogICAgICAgIGlvcnRfaW9t bXVfZ2V0X3JtcnMoaW9tbXVfZndub2RlLCBOVUxMLCBoZWFkKTsgfQ0KfQ0KDQp2b2lkIGlvcnRf cHV0X3Jtcl9zaWRzKHN0cnVjdCBmd25vZGVfaGFuZGxlICppb21tdV9md25vZGUsIHN0cnVjdCBs aXN0X2hlYWQgKmhlYWQpIHsNCiAgICAgICAgaW9ydF9pb21tdV9wdXRfcmVzdl9yZWdpb25zKE5V TEwsIGhlYWQpOw0KfQ0K