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 lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id AD58DC8303C for ; Tue, 8 Jul 2025 21:23:04 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1uZFHm-00031o-17; Tue, 08 Jul 2025 16:51:30 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1uZE3e-0006xa-5b; Tue, 08 Jul 2025 15:32:57 -0400 Received: from [185.176.79.56] (helo=frasgout.his.huawei.com) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1uZE3R-0003kM-99; Tue, 08 Jul 2025 15:32:45 -0400 Received: from mail.maildlp.com (unknown [172.18.186.31]) by frasgout.his.huawei.com (SkyGuard) with ESMTP id 4bbvzF4Sywz6DBPV; Tue, 8 Jul 2025 16:53:45 +0800 (CST) Received: from frapeml100007.china.huawei.com (unknown [7.182.85.133]) by mail.maildlp.com (Postfix) with ESMTPS id 5910B1402EA; Tue, 8 Jul 2025 16:54:49 +0800 (CST) Received: from frapeml500008.china.huawei.com (7.182.85.71) by frapeml100007.china.huawei.com (7.182.85.133) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.1.2507.39; Tue, 8 Jul 2025 10:54:49 +0200 Received: from frapeml500008.china.huawei.com ([7.182.85.71]) by frapeml500008.china.huawei.com ([7.182.85.71]) with mapi id 15.01.2507.039; Tue, 8 Jul 2025 10:54:49 +0200 To: "eric.auger@redhat.com" , "qemu-arm@nongnu.org" , "qemu-devel@nongnu.org" CC: "peter.maydell@linaro.org" , "jgg@nvidia.com" , "nicolinc@nvidia.com" , "ddutile@redhat.com" , "berrange@redhat.com" , "imammedo@redhat.com" , "nathanc@nvidia.com" , "mochs@nvidia.com" , "smostafa@google.com" , "gustavo.romero@linaro.org" , "mst@redhat.com" , "marcel.apfelbaum@gmail.com" , Linuxarm , "Wangzhou (B)" , jiangkunkun , Jonathan Cameron , "zhangfei.gao@linaro.org" Subject: RE: [PATCH v6 08/12] hw/arm/virt: Allow user-creatable SMMUv3 dev instantiation Thread-Topic: [PATCH v6 08/12] hw/arm/virt: Allow user-creatable SMMUv3 dev instantiation Thread-Index: AQHb6/xJlPtpAHu5pEuj91bLuyZP37QnvekAgAA0r1A= Date: Tue, 8 Jul 2025 08:54:49 +0000 Message-ID: References: <20250703084643.85740-1-shameerali.kolothum.thodi@huawei.com> <20250703084643.85740-9-shameerali.kolothum.thodi@huawei.com> In-Reply-To: Accept-Language: en-GB, en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.203.177.241] Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 MIME-Version: 1.0 X-Host-Lookup-Failed: Reverse DNS lookup failed for 185.176.79.56 (deferred) Received-SPF: pass client-ip=185.176.79.56; envelope-from=shameerali.kolothum.thodi@huawei.com; helo=frasgout.his.huawei.com X-Spam_score_int: -33 X-Spam_score: -3.4 X-Spam_bar: --- X-Spam_report: (-3.4 / 5.0 requ) BAYES_00=-1.9, RCVD_IN_DNSWL_MED=-2.3, RCVD_IN_MSPIKE_H5=0.001, RCVD_IN_MSPIKE_WL=0.001, RCVD_IN_VALIDITY_CERTIFIED_BLOCKED=0.001, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, RDNS_NONE=0.793, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-arm@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Reply-to: Shameerali Kolothum Thodi From: Shameerali Kolothum Thodi via Errors-To: qemu-arm-bounces+qemu-arm=archiver.kernel.org@nongnu.org Sender: qemu-arm-bounces+qemu-arm=archiver.kernel.org@nongnu.org SGkgRXJpYywNCg0KPiAtLS0tLU9yaWdpbmFsIE1lc3NhZ2UtLS0tLQ0KPiBGcm9tOiBFcmljIEF1 Z2VyIDxlcmljLmF1Z2VyQHJlZGhhdC5jb20+DQo+IFNlbnQ6IFR1ZXNkYXksIEp1bHkgOCwgMjAy NSA4OjQxIEFNDQo+IFRvOiBTaGFtZWVyYWxpIEtvbG90aHVtIFRob2RpDQo+IDxzaGFtZWVyYWxp LmtvbG90aHVtLnRob2RpQGh1YXdlaS5jb20+OyBxZW11LWFybUBub25nbnUub3JnOw0KPiBxZW11 LWRldmVsQG5vbmdudS5vcmcNCj4gQ2M6IHBldGVyLm1heWRlbGxAbGluYXJvLm9yZzsgamdnQG52 aWRpYS5jb207IG5pY29saW5jQG52aWRpYS5jb207DQo+IGRkdXRpbGVAcmVkaGF0LmNvbTsgYmVy cmFuZ2VAcmVkaGF0LmNvbTsgaW1hbW1lZG9AcmVkaGF0LmNvbTsNCj4gbmF0aGFuY0BudmlkaWEu Y29tOyBtb2Noc0BudmlkaWEuY29tOyBzbW9zdGFmYUBnb29nbGUuY29tOw0KPiBndXN0YXZvLnJv bWVyb0BsaW5hcm8ub3JnOyBtc3RAcmVkaGF0LmNvbTsNCj4gbWFyY2VsLmFwZmVsYmF1bUBnbWFp bC5jb207IExpbnV4YXJtIDxsaW51eGFybUBodWF3ZWkuY29tPjsNCj4gV2FuZ3pob3UgKEIpIDx3 YW5nemhvdTFAaGlzaWxpY29uLmNvbT47IGppYW5na3Vua3VuDQo+IDxqaWFuZ2t1bmt1bkBodWF3 ZWkuY29tPjsgSm9uYXRoYW4gQ2FtZXJvbg0KPiA8am9uYXRoYW4uY2FtZXJvbkBodWF3ZWkuY29t PjsgemhhbmdmZWkuZ2FvQGxpbmFyby5vcmcNCj4gU3ViamVjdDogUmU6IFtQQVRDSCB2NiAwOC8x Ml0gaHcvYXJtL3ZpcnQ6IEFsbG93IHVzZXItY3JlYXRhYmxlIFNNTVV2Mw0KPiBkZXYgaW5zdGFu dGlhdGlvbg0KPiANCj4gSGkgU2hhbWVlciwNCj4gDQo+IE9uIDcvMy8yNSAxMDo0NiBBTSwgU2hh bWVlciBLb2xvdGh1bSB3cm90ZToNCj4gPiBBbGxvdyBjb2xkLXBsdWdnaW5nIG9mIGFuIFNNTVV2 MyBkZXZpY2Ugb24gdGhlIHZpcnQgbWFjaGluZSB3aGVuIG5vDQo+ID4gZ2xvYmFsIChsZWdhY3kp IFNNTVV2MyBpcyBwcmVzZW50IG9yIHdoZW4gYSB2aXJ0aW8taW9tbXUgaXMgc3BlY2lmaWVkLg0K PiA+DQo+ID4gVGhpcyB1c2VyLWNyZWF0ZWQgU01NVXYzIGRldmljZSBpcyB0aWVkIHRvIGEgc3Bl Y2lmaWMgUENJIGJ1cyBwcm92aWRlZA0KPiA+IGJ5IHRoZSB1c2VyLCBzbyBlbnN1cmUgdGhlIElP TU1VIG9wcyBhcmUgY29uZmlndXJlZCBhY2NvcmRpbmdseS4NCj4gPg0KPiA+IER1ZSB0byBjdXJy ZW50IGxpbWl0YXRpb25zIGluIFFFTVXigJlzIGRldmljZSB0cmVlIHN1cHBvcnQsIHNwZWNpZmlj YWxseQ0KPiA+IGl0cyBpbmFiaWxpdHkgdG8gcHJvcGVybHkgcHJlc2VudCBweGItcGNpZSBiYXNl ZCByb290IGNvbXBsZXhlcyBhbmQNCj4gPiB0aGVpciBkZXZpY2VzLCB0aGUgZGV2aWNlIHRyZWUg c3VwcG9ydCBmb3IgdGhlIG5ldyBTTU1VdjMgZGV2aWNlIGlzDQo+ID4gbGltaXRlZCB0byBjYXNl cyB3aGVyZSBpdCBpcyBhdHRhY2hlZCB0byB0aGUgZGVmYXVsdCBwY2llLjAgcm9vdCBjb21wbGV4 Lg0KPiA+DQo+ID4gUmV2aWV3ZWQtYnk6IEpvbmF0aGFuIENhbWVyb24gPGpvbmF0aGFuLmNhbWVy b25AaHVhd2VpLmNvbT4NCj4gPiBSZXZpZXdlZC1ieTogRXJpYyBBdWdlciA8ZXJpYy5hdWdlckBy ZWRoYXQuY29tPg0KPiA+IFRlc3RlZC1ieTogTmF0aGFuIENoZW4gPG5hdGhhbmNAbnZpZGlhLmNv bT4NCj4gPiBTaWduZWQtb2ZmLWJ5OiBTaGFtZWVyIEtvbG90aHVtDQo+IDxzaGFtZWVyYWxpLmtv bG90aHVtLnRob2RpQGh1YXdlaS5jb20+DQo+ID4gLS0tDQo+ID4gIGh3L2FybS9zbW11LWNvbW1v bi5jICAgICAgICAgfCAgOCArKysrKy0NCj4gPiAgaHcvYXJtL3NtbXV2My5jICAgICAgICAgICAg ICB8ICAyICsrDQo+ID4gIGh3L2FybS92aXJ0LmMgICAgICAgICAgICAgICAgfCA1MCArKysrKysr KysrKysrKysrKysrKysrKysrKysrKysrKysrKysNCj4gPiAgaHcvY29yZS9zeXNidXMtZmR0LmMg ICAgICAgICB8ICAzICsrKw0KPiA+ICBpbmNsdWRlL2h3L2FybS9zbW11LWNvbW1vbi5oIHwgIDEg Kw0KPiA+ICA1IGZpbGVzIGNoYW5nZWQsIDYzIGluc2VydGlvbnMoKyksIDEgZGVsZXRpb24oLSkN Cj4gPg0KPiA+IGRpZmYgLS1naXQgYS9ody9hcm0vc21tdS1jb21tb24uYyBiL2h3L2FybS9zbW11 LWNvbW1vbi5jDQo+ID4gaW5kZXggYjE1ZTdmZDBlNC4uMmVlNDY5MTI5OSAxMDA2NDQNCj4gPiAt LS0gYS9ody9hcm0vc21tdS1jb21tb24uYw0KPiA+ICsrKyBiL2h3L2FybS9zbW11LWNvbW1vbi5j DQo+ID4gQEAgLTk1OSw3ICs5NTksMTIgQEAgc3RhdGljIHZvaWQgc21tdV9iYXNlX3JlYWxpemUo RGV2aWNlU3RhdGUgKmRldiwNCj4gRXJyb3IgKiplcnJwKQ0KPiA+ICAgICAgICAgICAgICAgICAg Z290byBvdXRfZXJyOw0KPiA+ICAgICAgICAgICAgICB9DQo+ID4gICAgICAgICAgfQ0KPiA+IC0g ICAgICAgIHBjaV9zZXR1cF9pb21tdShwY2lfYnVzLCAmc21tdV9vcHMsIHMpOw0KPiA+ICsNCj4g PiArICAgICAgICBpZiAocy0+c21tdV9wZXJfYnVzKSB7DQo+ID4gKyAgICAgICAgICAgIHBjaV9z ZXR1cF9pb21tdV9wZXJfYnVzKHBjaV9idXMsICZzbW11X29wcywgcyk7DQo+ID4gKyAgICAgICAg fSBlbHNlIHsNCj4gPiArICAgICAgICAgICAgcGNpX3NldHVwX2lvbW11KHBjaV9idXMsICZzbW11 X29wcywgcyk7DQo+ID4gKyAgICAgICAgfQ0KPiA+ICAgICAgICAgIHJldHVybjsNCj4gPiAgICAg IH0NCj4gPiAgb3V0X2VycjoNCj4gPiBAQCAtOTg0LDYgKzk4OSw3IEBAIHN0YXRpYyB2b2lkIHNt bXVfYmFzZV9yZXNldF9leGl0KE9iamVjdCAqb2JqLA0KPiBSZXNldFR5cGUgdHlwZSkNCj4gPg0K PiA+ICBzdGF0aWMgY29uc3QgUHJvcGVydHkgc21tdV9kZXZfcHJvcGVydGllc1tdID0gew0KPiA+ ICAgICAgREVGSU5FX1BST1BfVUlOVDgoImJ1c19udW0iLCBTTU1VU3RhdGUsIGJ1c19udW0sIDAp LA0KPiA+ICsgICAgREVGSU5FX1BST1BfQk9PTCgic21tdV9wZXJfYnVzIiwgU01NVVN0YXRlLCBz bW11X3Blcl9idXMsDQo+IGZhbHNlKSwNCj4gPiAgICAgIERFRklORV9QUk9QX0xJTksoInByaW1h cnktYnVzIiwgU01NVVN0YXRlLCBwcmltYXJ5X2J1cywNCj4gPiAgICAgICAgICAgICAgICAgICAg ICAgVFlQRV9QQ0lfQlVTLCBQQ0lCdXMgKiksDQo+ID4gIH07DQo+ID4gZGlmZiAtLWdpdCBhL2h3 L2FybS9zbW11djMuYyBiL2h3L2FybS9zbW11djMuYw0KPiA+IGluZGV4IGFiNjc5NzIzNTMuLmJj ZjhhZjhkYzcgMTAwNjQ0DQo+ID4gLS0tIGEvaHcvYXJtL3NtbXV2My5jDQo+ID4gKysrIGIvaHcv YXJtL3NtbXV2My5jDQo+ID4gQEAgLTE5OTYsNiArMTk5Niw4IEBAIHN0YXRpYyB2b2lkIHNtbXV2 M19jbGFzc19pbml0KE9iamVjdENsYXNzDQo+ICprbGFzcywgY29uc3Qgdm9pZCAqZGF0YSkNCj4g PiAgICAgIGRldmljZV9jbGFzc19zZXRfcGFyZW50X3JlYWxpemUoZGMsIHNtbXVfcmVhbGl6ZSwN Cj4gPiAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgJmMtPnBhcmVudF9yZWFs aXplKTsNCj4gPiAgICAgIGRldmljZV9jbGFzc19zZXRfcHJvcHMoZGMsIHNtbXV2M19wcm9wZXJ0 aWVzKTsNCj4gPiArICAgIGRjLT5ob3RwbHVnZ2FibGUgPSBmYWxzZTsNCj4gPiArICAgIGRjLT51 c2VyX2NyZWF0YWJsZSA9IHRydWU7DQo+ID4gIH0NCj4gPg0KPiA+ICBzdGF0aWMgaW50IHNtbXV2 M19ub3RpZnlfZmxhZ19jaGFuZ2VkKElPTU1VTWVtb3J5UmVnaW9uICppb21tdSwNCj4gPiBkaWZm IC0tZ2l0IGEvaHcvYXJtL3ZpcnQuYyBiL2h3L2FybS92aXJ0LmMNCj4gPiBpbmRleCAwNWExNDg4 MWNmLi44NjYyMTczYzQzIDEwMDY0NA0KPiA+IC0tLSBhL2h3L2FybS92aXJ0LmMNCj4gPiArKysg Yi9ody9hcm0vdmlydC5jDQo+ID4gQEAgLTU2LDYgKzU2LDcgQEANCj4gPiAgI2luY2x1ZGUgInFl bXUvY3V0aWxzLmgiDQo+ID4gICNpbmNsdWRlICJxZW11L2Vycm9yLXJlcG9ydC5oIg0KPiA+ICAj aW5jbHVkZSAicWVtdS9tb2R1bGUuaCINCj4gPiArI2luY2x1ZGUgImh3L3BjaS9wY2lfYnVzLmgi DQo+ID4gICNpbmNsdWRlICJody9wY2ktaG9zdC9ncGV4LmgiDQo+ID4gICNpbmNsdWRlICJody92 aXJ0aW8vdmlydGlvLXBjaS5oIg0KPiA+ICAjaW5jbHVkZSAiaHcvY29yZS9zeXNidXMtZmR0Lmgi DQo+ID4gQEAgLTE0NDAsNiArMTQ0MSwyOCBAQCBzdGF0aWMgdm9pZCBjcmVhdGVfc21tdXYzX2R0 X2JpbmRpbmdzKGNvbnN0DQo+IFZpcnRNYWNoaW5lU3RhdGUgKnZtcywgaHdhZGRyIGJhc2UsDQo+ ID4gICAgICBnX2ZyZWUobm9kZSk7DQo+ID4gIH0NCj4gPg0KPiA+ICtzdGF0aWMgdm9pZCBjcmVh dGVfc21tdXYzX2Rldl9kdGIoVmlydE1hY2hpbmVTdGF0ZSAqdm1zLA0KPiA+ICsgICAgICAgICAg ICAgICAgICAgICAgICAgICAgICAgICAgRGV2aWNlU3RhdGUgKmRldiwgUENJQnVzICpidXMpDQo+ ID4gK3sNCj4gPiArICAgIFBsYXRmb3JtQnVzRGV2aWNlICpwYnVzID0gUExBVEZPUk1fQlVTX0RF VklDRSh2bXMtDQo+ID5wbGF0Zm9ybV9idXNfZGV2KTsNCj4gPiArICAgIFN5c0J1c0RldmljZSAq c2JkZXYgPSBTWVNfQlVTX0RFVklDRShkZXYpOw0KPiA+ICsgICAgaW50IGlycSA9IHBsYXRmb3Jt X2J1c19nZXRfaXJxbihwYnVzLCBzYmRldiwgMCk7DQo+ID4gKyAgICBod2FkZHIgYmFzZSA9IHBs YXRmb3JtX2J1c19nZXRfbW1pb19hZGRyKHBidXMsIHNiZGV2LCAwKTsNCj4gPiArICAgIE1hY2hp bmVTdGF0ZSAqbXMgPSBNQUNISU5FKHZtcyk7DQo+ID4gKw0KPiA+ICsgICAgaWYgKHN0cmNtcCgi cGNpZS4wIiwgYnVzLT5xYnVzLm5hbWUpKSB7DQo+ID4gKyAgICAgICAgd2Fybl9yZXBvcnQoIlNN TVV2MyBkZXZpY2Ugb25seSBzdXBwb3J0ZWQgd2l0aCBwY2llLjAgZm9yIERUIik7DQo+IHdoaWxl IHRlc3RpbmcgdGhlIHNlcmllcyBJIGhpdCB0aGUgd2FybmluZyB3aXRoIGEgcmhlbCBndWVzdCB3 aGljaCBib290cw0KPiB3aXRoIEFDUEkuDQo+IEkgdGhpbmsgd2Ugc2hhbGwgbWFrZSB0aGUgY2hl Y2sgc21hcnRlciB0byBhdm9pZCB0aGF0Lg0KPiBtYXliZSBhbHNvIGNoZWNrIGZpcm13YXJlX2xv YWRlZCBhbmQgdmlydF9pc19hY3BpX2VuYWJsZWQoKT8NCg0KVGhhbmtzIGZvciBnaXZpbmcgaXQg YSBzcGluLiBZZXMsIGp1c3QgY29uZmlybWVkIHRoYXQgdGhlIHdhcm5pbmcgYXBwZWFycy4NClRo ZSBhYm92ZSBjaGVjayB3aWxsIHdvcmssIGJ1dCBjYW4gd2UgbWFrZSB1c2Ugb2Ygdm1zLT5hY3Bp X2RldiBmb3INCnRoaXMgY2hlY2sgaW5zdGVhZD8gSXQgaXMgZXNzZW50aWFsbHkgdGhlIHNhbWUg YW5kIEkgdGhpbmsgdGhhdCB3aWxsIHdvcmsuIA0KDQogICAgaWYgKCF2bXMtPmFjcGlfZGV2ICYm IHN0cmNtcCgicGNpZS4wIiwgYnVzLT5xYnVzLm5hbWUpKQ0KDQpQbGVhc2UgbGV0IG1lIGtub3cu DQoNClRoYW5rcywNClNoYW1lZXINCg== 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 lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 4B951C83F09 for ; Tue, 8 Jul 2025 21:27:10 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1uZFFH-0002Sk-3R; Tue, 08 Jul 2025 16:48:55 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1uZE3e-0006xa-5b; Tue, 08 Jul 2025 15:32:57 -0400 Received: from [185.176.79.56] (helo=frasgout.his.huawei.com) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1uZE3R-0003kM-99; Tue, 08 Jul 2025 15:32:45 -0400 Received: from mail.maildlp.com (unknown [172.18.186.31]) by frasgout.his.huawei.com (SkyGuard) with ESMTP id 4bbvzF4Sywz6DBPV; Tue, 8 Jul 2025 16:53:45 +0800 (CST) Received: from frapeml100007.china.huawei.com (unknown [7.182.85.133]) by mail.maildlp.com (Postfix) with ESMTPS id 5910B1402EA; Tue, 8 Jul 2025 16:54:49 +0800 (CST) Received: from frapeml500008.china.huawei.com (7.182.85.71) by frapeml100007.china.huawei.com (7.182.85.133) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.1.2507.39; Tue, 8 Jul 2025 10:54:49 +0200 Received: from frapeml500008.china.huawei.com ([7.182.85.71]) by frapeml500008.china.huawei.com ([7.182.85.71]) with mapi id 15.01.2507.039; Tue, 8 Jul 2025 10:54:49 +0200 To: "eric.auger@redhat.com" , "qemu-arm@nongnu.org" , "qemu-devel@nongnu.org" CC: "peter.maydell@linaro.org" , "jgg@nvidia.com" , "nicolinc@nvidia.com" , "ddutile@redhat.com" , "berrange@redhat.com" , "imammedo@redhat.com" , "nathanc@nvidia.com" , "mochs@nvidia.com" , "smostafa@google.com" , "gustavo.romero@linaro.org" , "mst@redhat.com" , "marcel.apfelbaum@gmail.com" , Linuxarm , "Wangzhou (B)" , jiangkunkun , Jonathan Cameron , "zhangfei.gao@linaro.org" Subject: RE: [PATCH v6 08/12] hw/arm/virt: Allow user-creatable SMMUv3 dev instantiation Thread-Topic: [PATCH v6 08/12] hw/arm/virt: Allow user-creatable SMMUv3 dev instantiation Thread-Index: AQHb6/xJlPtpAHu5pEuj91bLuyZP37QnvekAgAA0r1A= Date: Tue, 8 Jul 2025 08:54:49 +0000 Message-ID: References: <20250703084643.85740-1-shameerali.kolothum.thodi@huawei.com> <20250703084643.85740-9-shameerali.kolothum.thodi@huawei.com> In-Reply-To: Accept-Language: en-GB, en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.203.177.241] Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 MIME-Version: 1.0 X-Host-Lookup-Failed: Reverse DNS lookup failed for 185.176.79.56 (deferred) Received-SPF: pass client-ip=185.176.79.56; envelope-from=shameerali.kolothum.thodi@huawei.com; helo=frasgout.his.huawei.com X-Spam_score_int: -33 X-Spam_score: -3.4 X-Spam_bar: --- X-Spam_report: (-3.4 / 5.0 requ) BAYES_00=-1.9, RCVD_IN_DNSWL_MED=-2.3, RCVD_IN_MSPIKE_H5=0.001, RCVD_IN_MSPIKE_WL=0.001, RCVD_IN_VALIDITY_CERTIFIED_BLOCKED=0.001, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, RDNS_NONE=0.793, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Reply-to: Shameerali Kolothum Thodi From: Shameerali Kolothum Thodi via Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org SGkgRXJpYywNCg0KPiAtLS0tLU9yaWdpbmFsIE1lc3NhZ2UtLS0tLQ0KPiBGcm9tOiBFcmljIEF1 Z2VyIDxlcmljLmF1Z2VyQHJlZGhhdC5jb20+DQo+IFNlbnQ6IFR1ZXNkYXksIEp1bHkgOCwgMjAy NSA4OjQxIEFNDQo+IFRvOiBTaGFtZWVyYWxpIEtvbG90aHVtIFRob2RpDQo+IDxzaGFtZWVyYWxp LmtvbG90aHVtLnRob2RpQGh1YXdlaS5jb20+OyBxZW11LWFybUBub25nbnUub3JnOw0KPiBxZW11 LWRldmVsQG5vbmdudS5vcmcNCj4gQ2M6IHBldGVyLm1heWRlbGxAbGluYXJvLm9yZzsgamdnQG52 aWRpYS5jb207IG5pY29saW5jQG52aWRpYS5jb207DQo+IGRkdXRpbGVAcmVkaGF0LmNvbTsgYmVy cmFuZ2VAcmVkaGF0LmNvbTsgaW1hbW1lZG9AcmVkaGF0LmNvbTsNCj4gbmF0aGFuY0BudmlkaWEu Y29tOyBtb2Noc0BudmlkaWEuY29tOyBzbW9zdGFmYUBnb29nbGUuY29tOw0KPiBndXN0YXZvLnJv bWVyb0BsaW5hcm8ub3JnOyBtc3RAcmVkaGF0LmNvbTsNCj4gbWFyY2VsLmFwZmVsYmF1bUBnbWFp bC5jb207IExpbnV4YXJtIDxsaW51eGFybUBodWF3ZWkuY29tPjsNCj4gV2FuZ3pob3UgKEIpIDx3 YW5nemhvdTFAaGlzaWxpY29uLmNvbT47IGppYW5na3Vua3VuDQo+IDxqaWFuZ2t1bmt1bkBodWF3 ZWkuY29tPjsgSm9uYXRoYW4gQ2FtZXJvbg0KPiA8am9uYXRoYW4uY2FtZXJvbkBodWF3ZWkuY29t PjsgemhhbmdmZWkuZ2FvQGxpbmFyby5vcmcNCj4gU3ViamVjdDogUmU6IFtQQVRDSCB2NiAwOC8x Ml0gaHcvYXJtL3ZpcnQ6IEFsbG93IHVzZXItY3JlYXRhYmxlIFNNTVV2Mw0KPiBkZXYgaW5zdGFu dGlhdGlvbg0KPiANCj4gSGkgU2hhbWVlciwNCj4gDQo+IE9uIDcvMy8yNSAxMDo0NiBBTSwgU2hh bWVlciBLb2xvdGh1bSB3cm90ZToNCj4gPiBBbGxvdyBjb2xkLXBsdWdnaW5nIG9mIGFuIFNNTVV2 MyBkZXZpY2Ugb24gdGhlIHZpcnQgbWFjaGluZSB3aGVuIG5vDQo+ID4gZ2xvYmFsIChsZWdhY3kp IFNNTVV2MyBpcyBwcmVzZW50IG9yIHdoZW4gYSB2aXJ0aW8taW9tbXUgaXMgc3BlY2lmaWVkLg0K PiA+DQo+ID4gVGhpcyB1c2VyLWNyZWF0ZWQgU01NVXYzIGRldmljZSBpcyB0aWVkIHRvIGEgc3Bl Y2lmaWMgUENJIGJ1cyBwcm92aWRlZA0KPiA+IGJ5IHRoZSB1c2VyLCBzbyBlbnN1cmUgdGhlIElP TU1VIG9wcyBhcmUgY29uZmlndXJlZCBhY2NvcmRpbmdseS4NCj4gPg0KPiA+IER1ZSB0byBjdXJy ZW50IGxpbWl0YXRpb25zIGluIFFFTVXigJlzIGRldmljZSB0cmVlIHN1cHBvcnQsIHNwZWNpZmlj YWxseQ0KPiA+IGl0cyBpbmFiaWxpdHkgdG8gcHJvcGVybHkgcHJlc2VudCBweGItcGNpZSBiYXNl ZCByb290IGNvbXBsZXhlcyBhbmQNCj4gPiB0aGVpciBkZXZpY2VzLCB0aGUgZGV2aWNlIHRyZWUg c3VwcG9ydCBmb3IgdGhlIG5ldyBTTU1VdjMgZGV2aWNlIGlzDQo+ID4gbGltaXRlZCB0byBjYXNl cyB3aGVyZSBpdCBpcyBhdHRhY2hlZCB0byB0aGUgZGVmYXVsdCBwY2llLjAgcm9vdCBjb21wbGV4 Lg0KPiA+DQo+ID4gUmV2aWV3ZWQtYnk6IEpvbmF0aGFuIENhbWVyb24gPGpvbmF0aGFuLmNhbWVy b25AaHVhd2VpLmNvbT4NCj4gPiBSZXZpZXdlZC1ieTogRXJpYyBBdWdlciA8ZXJpYy5hdWdlckBy ZWRoYXQuY29tPg0KPiA+IFRlc3RlZC1ieTogTmF0aGFuIENoZW4gPG5hdGhhbmNAbnZpZGlhLmNv bT4NCj4gPiBTaWduZWQtb2ZmLWJ5OiBTaGFtZWVyIEtvbG90aHVtDQo+IDxzaGFtZWVyYWxpLmtv bG90aHVtLnRob2RpQGh1YXdlaS5jb20+DQo+ID4gLS0tDQo+ID4gIGh3L2FybS9zbW11LWNvbW1v bi5jICAgICAgICAgfCAgOCArKysrKy0NCj4gPiAgaHcvYXJtL3NtbXV2My5jICAgICAgICAgICAg ICB8ICAyICsrDQo+ID4gIGh3L2FybS92aXJ0LmMgICAgICAgICAgICAgICAgfCA1MCArKysrKysr KysrKysrKysrKysrKysrKysrKysrKysrKysrKysNCj4gPiAgaHcvY29yZS9zeXNidXMtZmR0LmMg ICAgICAgICB8ICAzICsrKw0KPiA+ICBpbmNsdWRlL2h3L2FybS9zbW11LWNvbW1vbi5oIHwgIDEg Kw0KPiA+ICA1IGZpbGVzIGNoYW5nZWQsIDYzIGluc2VydGlvbnMoKyksIDEgZGVsZXRpb24oLSkN Cj4gPg0KPiA+IGRpZmYgLS1naXQgYS9ody9hcm0vc21tdS1jb21tb24uYyBiL2h3L2FybS9zbW11 LWNvbW1vbi5jDQo+ID4gaW5kZXggYjE1ZTdmZDBlNC4uMmVlNDY5MTI5OSAxMDA2NDQNCj4gPiAt LS0gYS9ody9hcm0vc21tdS1jb21tb24uYw0KPiA+ICsrKyBiL2h3L2FybS9zbW11LWNvbW1vbi5j DQo+ID4gQEAgLTk1OSw3ICs5NTksMTIgQEAgc3RhdGljIHZvaWQgc21tdV9iYXNlX3JlYWxpemUo RGV2aWNlU3RhdGUgKmRldiwNCj4gRXJyb3IgKiplcnJwKQ0KPiA+ICAgICAgICAgICAgICAgICAg Z290byBvdXRfZXJyOw0KPiA+ICAgICAgICAgICAgICB9DQo+ID4gICAgICAgICAgfQ0KPiA+IC0g ICAgICAgIHBjaV9zZXR1cF9pb21tdShwY2lfYnVzLCAmc21tdV9vcHMsIHMpOw0KPiA+ICsNCj4g PiArICAgICAgICBpZiAocy0+c21tdV9wZXJfYnVzKSB7DQo+ID4gKyAgICAgICAgICAgIHBjaV9z ZXR1cF9pb21tdV9wZXJfYnVzKHBjaV9idXMsICZzbW11X29wcywgcyk7DQo+ID4gKyAgICAgICAg fSBlbHNlIHsNCj4gPiArICAgICAgICAgICAgcGNpX3NldHVwX2lvbW11KHBjaV9idXMsICZzbW11 X29wcywgcyk7DQo+ID4gKyAgICAgICAgfQ0KPiA+ICAgICAgICAgIHJldHVybjsNCj4gPiAgICAg IH0NCj4gPiAgb3V0X2VycjoNCj4gPiBAQCAtOTg0LDYgKzk4OSw3IEBAIHN0YXRpYyB2b2lkIHNt bXVfYmFzZV9yZXNldF9leGl0KE9iamVjdCAqb2JqLA0KPiBSZXNldFR5cGUgdHlwZSkNCj4gPg0K PiA+ICBzdGF0aWMgY29uc3QgUHJvcGVydHkgc21tdV9kZXZfcHJvcGVydGllc1tdID0gew0KPiA+ ICAgICAgREVGSU5FX1BST1BfVUlOVDgoImJ1c19udW0iLCBTTU1VU3RhdGUsIGJ1c19udW0sIDAp LA0KPiA+ICsgICAgREVGSU5FX1BST1BfQk9PTCgic21tdV9wZXJfYnVzIiwgU01NVVN0YXRlLCBz bW11X3Blcl9idXMsDQo+IGZhbHNlKSwNCj4gPiAgICAgIERFRklORV9QUk9QX0xJTksoInByaW1h cnktYnVzIiwgU01NVVN0YXRlLCBwcmltYXJ5X2J1cywNCj4gPiAgICAgICAgICAgICAgICAgICAg ICAgVFlQRV9QQ0lfQlVTLCBQQ0lCdXMgKiksDQo+ID4gIH07DQo+ID4gZGlmZiAtLWdpdCBhL2h3 L2FybS9zbW11djMuYyBiL2h3L2FybS9zbW11djMuYw0KPiA+IGluZGV4IGFiNjc5NzIzNTMuLmJj ZjhhZjhkYzcgMTAwNjQ0DQo+ID4gLS0tIGEvaHcvYXJtL3NtbXV2My5jDQo+ID4gKysrIGIvaHcv YXJtL3NtbXV2My5jDQo+ID4gQEAgLTE5OTYsNiArMTk5Niw4IEBAIHN0YXRpYyB2b2lkIHNtbXV2 M19jbGFzc19pbml0KE9iamVjdENsYXNzDQo+ICprbGFzcywgY29uc3Qgdm9pZCAqZGF0YSkNCj4g PiAgICAgIGRldmljZV9jbGFzc19zZXRfcGFyZW50X3JlYWxpemUoZGMsIHNtbXVfcmVhbGl6ZSwN Cj4gPiAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgJmMtPnBhcmVudF9yZWFs aXplKTsNCj4gPiAgICAgIGRldmljZV9jbGFzc19zZXRfcHJvcHMoZGMsIHNtbXV2M19wcm9wZXJ0 aWVzKTsNCj4gPiArICAgIGRjLT5ob3RwbHVnZ2FibGUgPSBmYWxzZTsNCj4gPiArICAgIGRjLT51 c2VyX2NyZWF0YWJsZSA9IHRydWU7DQo+ID4gIH0NCj4gPg0KPiA+ICBzdGF0aWMgaW50IHNtbXV2 M19ub3RpZnlfZmxhZ19jaGFuZ2VkKElPTU1VTWVtb3J5UmVnaW9uICppb21tdSwNCj4gPiBkaWZm IC0tZ2l0IGEvaHcvYXJtL3ZpcnQuYyBiL2h3L2FybS92aXJ0LmMNCj4gPiBpbmRleCAwNWExNDg4 MWNmLi44NjYyMTczYzQzIDEwMDY0NA0KPiA+IC0tLSBhL2h3L2FybS92aXJ0LmMNCj4gPiArKysg Yi9ody9hcm0vdmlydC5jDQo+ID4gQEAgLTU2LDYgKzU2LDcgQEANCj4gPiAgI2luY2x1ZGUgInFl bXUvY3V0aWxzLmgiDQo+ID4gICNpbmNsdWRlICJxZW11L2Vycm9yLXJlcG9ydC5oIg0KPiA+ICAj aW5jbHVkZSAicWVtdS9tb2R1bGUuaCINCj4gPiArI2luY2x1ZGUgImh3L3BjaS9wY2lfYnVzLmgi DQo+ID4gICNpbmNsdWRlICJody9wY2ktaG9zdC9ncGV4LmgiDQo+ID4gICNpbmNsdWRlICJody92 aXJ0aW8vdmlydGlvLXBjaS5oIg0KPiA+ICAjaW5jbHVkZSAiaHcvY29yZS9zeXNidXMtZmR0Lmgi DQo+ID4gQEAgLTE0NDAsNiArMTQ0MSwyOCBAQCBzdGF0aWMgdm9pZCBjcmVhdGVfc21tdXYzX2R0 X2JpbmRpbmdzKGNvbnN0DQo+IFZpcnRNYWNoaW5lU3RhdGUgKnZtcywgaHdhZGRyIGJhc2UsDQo+ ID4gICAgICBnX2ZyZWUobm9kZSk7DQo+ID4gIH0NCj4gPg0KPiA+ICtzdGF0aWMgdm9pZCBjcmVh dGVfc21tdXYzX2Rldl9kdGIoVmlydE1hY2hpbmVTdGF0ZSAqdm1zLA0KPiA+ICsgICAgICAgICAg ICAgICAgICAgICAgICAgICAgICAgICAgRGV2aWNlU3RhdGUgKmRldiwgUENJQnVzICpidXMpDQo+ ID4gK3sNCj4gPiArICAgIFBsYXRmb3JtQnVzRGV2aWNlICpwYnVzID0gUExBVEZPUk1fQlVTX0RF VklDRSh2bXMtDQo+ID5wbGF0Zm9ybV9idXNfZGV2KTsNCj4gPiArICAgIFN5c0J1c0RldmljZSAq c2JkZXYgPSBTWVNfQlVTX0RFVklDRShkZXYpOw0KPiA+ICsgICAgaW50IGlycSA9IHBsYXRmb3Jt X2J1c19nZXRfaXJxbihwYnVzLCBzYmRldiwgMCk7DQo+ID4gKyAgICBod2FkZHIgYmFzZSA9IHBs YXRmb3JtX2J1c19nZXRfbW1pb19hZGRyKHBidXMsIHNiZGV2LCAwKTsNCj4gPiArICAgIE1hY2hp bmVTdGF0ZSAqbXMgPSBNQUNISU5FKHZtcyk7DQo+ID4gKw0KPiA+ICsgICAgaWYgKHN0cmNtcCgi cGNpZS4wIiwgYnVzLT5xYnVzLm5hbWUpKSB7DQo+ID4gKyAgICAgICAgd2Fybl9yZXBvcnQoIlNN TVV2MyBkZXZpY2Ugb25seSBzdXBwb3J0ZWQgd2l0aCBwY2llLjAgZm9yIERUIik7DQo+IHdoaWxl IHRlc3RpbmcgdGhlIHNlcmllcyBJIGhpdCB0aGUgd2FybmluZyB3aXRoIGEgcmhlbCBndWVzdCB3 aGljaCBib290cw0KPiB3aXRoIEFDUEkuDQo+IEkgdGhpbmsgd2Ugc2hhbGwgbWFrZSB0aGUgY2hl Y2sgc21hcnRlciB0byBhdm9pZCB0aGF0Lg0KPiBtYXliZSBhbHNvIGNoZWNrIGZpcm13YXJlX2xv YWRlZCBhbmQgdmlydF9pc19hY3BpX2VuYWJsZWQoKT8NCg0KVGhhbmtzIGZvciBnaXZpbmcgaXQg YSBzcGluLiBZZXMsIGp1c3QgY29uZmlybWVkIHRoYXQgdGhlIHdhcm5pbmcgYXBwZWFycy4NClRo ZSBhYm92ZSBjaGVjayB3aWxsIHdvcmssIGJ1dCBjYW4gd2UgbWFrZSB1c2Ugb2Ygdm1zLT5hY3Bp X2RldiBmb3INCnRoaXMgY2hlY2sgaW5zdGVhZD8gSXQgaXMgZXNzZW50aWFsbHkgdGhlIHNhbWUg YW5kIEkgdGhpbmsgdGhhdCB3aWxsIHdvcmsuIA0KDQogICAgaWYgKCF2bXMtPmFjcGlfZGV2ICYm IHN0cmNtcCgicGNpZS4wIiwgYnVzLT5xYnVzLm5hbWUpKQ0KDQpQbGVhc2UgbGV0IG1lIGtub3cu DQoNClRoYW5rcywNClNoYW1lZXINCg==