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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (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 53312C4829E for ; Thu, 15 Feb 2024 20:11:57 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:Content-Type: Content-Transfer-Encoding:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:In-Reply-To:References:Cc:To:From:Subject: MIME-Version:Date:Message-ID:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=u0XGnD2q7JLlLJouwgV79vLK8umymApV/mblwD4dZ7o=; b=xXElQKQx8U7//y mRvNZY7GFXip0TuQsF9uxG6KmJ3WYo2ZB1kwxLr+3bF3E+08MmJ14tzeo90laXbNeLoYuV7VczgU4 Q3kJSJrXbJ//kcDDFkgzeUZOEc5g0OSINBA8g+Y7hjo5inkdrtvWvsn/uTKgYIcD9TNrBZYx5JcvJ ENTvPwd2pydaefU8djMxOhB67o6yCmislQcsMtf2VoF+y5vphijYReha+Mwg2sTlrgHUrUhOn7iS0 +UL2SgmVgDqV/EW3nPXHuBefgAZb5aac6b7mtR6kaKvW7qbpzaR/C2YYIwqUzwwFlmi80QmPuPkKk juhSxWQk6Fz5DTZnYjUg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1rai5D-0000000023A-0goe; Thu, 15 Feb 2024 20:11:47 +0000 Received: from foss.arm.com ([217.140.110.172]) by bombadil.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1rai5A-0000000021s-1qWy for linux-arm-kernel@lists.infradead.org; Thu, 15 Feb 2024 20:11:46 +0000 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id BE9041FB; Thu, 15 Feb 2024 12:12:23 -0800 (PST) Received: from [10.57.50.88] (unknown [10.57.50.88]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 5DC893F766; Thu, 15 Feb 2024 12:11:40 -0800 (PST) Message-ID: Date: Thu, 15 Feb 2024 20:11:38 +0000 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v5 01/17] iommu/arm-smmu-v3: Make STE programming independent of the callers Content-Language: en-GB From: Robin Murphy To: Jason Gunthorpe , Will Deacon Cc: iommu@lists.linux.dev, Joerg Roedel , linux-arm-kernel@lists.infradead.org, Lu Baolu , Jean-Philippe Brucker , Joerg Roedel , Moritz Fischer , Moritz Fischer , Michael Shavit , Nicolin Chen , patches@lists.linux.dev, Shameer Kolothum , Mostafa Saleh , Zhangfei Gao References: <0-v5-cd1be8dd9c71+3fa-smmuv3_newapi_p1_jgg@nvidia.com> <1-v5-cd1be8dd9c71+3fa-smmuv3_newapi_p1_jgg@nvidia.com> <20240215134952.GA690@willie-the-truck> <20240215160135.GL1088888@nvidia.com> <02fac0ab-07ac-448e-ae4e-26788ed4fce9@arm.com> In-Reply-To: <02fac0ab-07ac-448e-ae4e-26788ed4fce9@arm.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240215_121144_607474_8C20B822 X-CRM114-Status: GOOD ( 13.24 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Transfer-Encoding: base64 Content-Type: text/plain; charset="utf-8"; Format="flowed" Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org T24gMjAyNC0wMi0xNSA2OjQyIHBtLCBSb2JpbiBNdXJwaHkgd3JvdGU6ClsuLi5dCj4+Pj4gK3N0 YXRpYyB2b2lkIGFybV9zbW11X2dldF9zdGVfdXNlZChjb25zdCBfX2xlNjQgKmVudCwgX19sZTY0 IAo+Pj4+ICp1c2VkX2JpdHMpCj4+Pj4gwqAgewo+Pj4+ICvCoMKgwqAgdW5zaWduZWQgaW50IGNm ZyA9IEZJRUxEX0dFVChTVFJUQUJfU1RFXzBfQ0ZHLCAKPj4+PiBsZTY0X3RvX2NwdShlbnRbMF0p KTsKPj4+PiArCj4+Pj4gK8KgwqDCoCB1c2VkX2JpdHNbMF0gPSBjcHVfdG9fbGU2NChTVFJUQUJf U1RFXzBfVik7Cj4+Pj4gK8KgwqDCoCBpZiAoIShlbnRbMF0gJiBjcHVfdG9fbGU2NChTVFJUQUJf U1RFXzBfVikpKQo+Pj4+ICvCoMKgwqDCoMKgwqDCoCByZXR1cm47Cj4+Pj4gKwo+Pj4+ICvCoMKg wqAgLyoKPj4+PiArwqDCoMKgwqAgKiBTZWUgMTMuNSBTdW1tYXJ5IG9mIGF0dHJpYnV0ZS9wZXJt aXNzaW9uIGNvbmZpZ3VyYXRpb24gCj4+Pj4gZmllbGRzIGZvciB0aGUKPj4+PiArwqDCoMKgwqAg KiBTSENGRyBiZWhhdmlvci4gSXQgaXMgb25seSB1c2VkIGZvciBCWVBBU1MsIGluY2x1ZGluZyBT MURTUyAKPj4+PiBCWVBBU1MsCj4+Pj4gK8KgwqDCoMKgICogYW5kIFMyIG9ubHkuCj4+Pj4gK8Kg wqDCoMKgICovCj4+Pj4gK8KgwqDCoCBpZiAoY2ZnID09IFNUUlRBQl9TVEVfMF9DRkdfQllQQVNT IHx8Cj4+Pj4gK8KgwqDCoMKgwqDCoMKgIGNmZyA9PSBTVFJUQUJfU1RFXzBfQ0ZHX1MyX1RSQU5T IHx8Cj4+Pj4gK8KgwqDCoMKgwqDCoMKgIChjZmcgPT0gU1RSVEFCX1NURV8wX0NGR19TMV9UUkFO UyAmJgo+Pj4+ICvCoMKgwqDCoMKgwqDCoMKgIEZJRUxEX0dFVChTVFJUQUJfU1RFXzFfUzFEU1Ms IGxlNjRfdG9fY3B1KGVudFsxXSkpID09Cj4+Pj4gK8KgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoCBT VFJUQUJfU1RFXzFfUzFEU1NfQllQQVNTKSkKPj4+PiArwqDCoMKgwqDCoMKgwqAgdXNlZF9iaXRz WzFdIHw9IGNwdV90b19sZTY0KFNUUlRBQl9TVEVfMV9TSENGRyk7Cj4+Pgo+Pj4gSHVoLCBTSENG RyBpcyByZWFsbHkgZ2V0dGluZyBpbiB0aGUgd2F5IGhlcmUsIGlzbid0IGl0Pwo+Pgo+PiBJIHdv dWxkbid0IHNheSB0aGF0Li4gSXQgaXMganVzdCBhIGNvbXBsaWNhdGVkIGJpdCBvZiB0aGUgc3Bl Yy4gT25lIG9mCj4+IHRoZSB0aGluZ3Mgd2UgcmVjZW50bHkgZGlkIHdhcyB0byBhdWRpdCBhbGwg dGhlIGNhY2hlIHNldHRpbmdzIGFuZCwgYXQKPj4gbGVhc3QsIHdlIHRoZW4gcmVhbGl6ZWQgdGhh dCBTSENGRyB3YXMgYmVpbmcgc3VidGx5IHVzZWQgYnkgUzIgYXMKPj4gd2VsbC4uCj4gCj4gWWVh aCwgdGhhdCByZWFsbHkgc2hvdWxkbid0IGJlIHN1YnRsZTsgaW5jb21pbmcgYXR0cmlidXRlcyBh cmUgcmVwbGFjZWQgCj4gYnkgUzEgdHJhbnNsYXRpb24sIHRodXMgdGhleSBhcmUgcmVsZXZhbnQg dG8gbm90LVMxIGNvbmZpZ3MuCgpUaGF0IHNhaWQsIGluIHRoaXMgc3BlY2lmaWMgY2FzZSBJIGRv bid0IHVuZGVyc3RhbmQgd2h5IHdlJ3JlIHdvcnJ5aW5nIAphYm91dCBTSENGRyBoZXJlIGF0IGFs bCAtIHdlJ3JlIG5ldmVyIGdvaW5nIHRvIG1ha2UgdXNlIG9mIGFueSB2YWx1ZSAKb3RoZXIgdGhh biAidXNlIGluY29taW5nIiBiZWNhdXNlIHdlIGNhbid0IHJlbHkgb24gaXQgYmVpbmcgaW1wbGVt ZW50ZWQgCmluIHRoZSBmaXJzdCBwbGFjZSwgYW5kIGV2ZW4gaWYgaXQgaXMsIHdlIHJlYWxseSBk b24ndCB3YW50IHRvIHN0YXJ0IApnZXR0aW5nIGludG8gdGhlIGZvcmNlZC1jb2hlcmVuY3kgbm90 aW9uIHRoYXQgdGhlIERNQSBsYXllciBjYW4nI3QgCnVuZGVyc3RhbmQgYW5kIGRldmljZXRyZWUg Y2FuJ3QgZGVzY3JpYmUuCgpXZSdyZSBzdGlsbCB1bmNvbmRpdGlvbmFsbHkgc2V0dGluZyB0aGUg InVzZSBpbmNvbWluZyIgdmFsdWUgZm9yIE1UQ0ZHLCAKQUxMT0NDRkcsIFBSSVZDRkcgYW5kIElO U1RDRkcgd2l0aG91dCBjaGVja2luZyB0aGVtLCBzbyB0aGVyZSdzIG5vIGxvZ2ljIAppbiBwcmV0 ZW5kaW5nIFNIQ0ZHIGlzIGFueSBkaWZmZXJlbnQgZnJvbSBpdHMgcGVlcnMgc2ltcGx5IGJlY2F1 c2UgaXRzIAplbmNvZGluZyBpcyBzbGlnaHRseSBsZXNzIGNvbnZlbmllbnQuIElmIHRoZSBtaWNy by1vcHRpbWlzYXRpb24gb2Ygbm90IApzZXR0aW5nIGl0IHdoZW4gd2Uga25vdyBpdCdzIGdvaW5n IHRvIGJlIGlnbm9yZWQgYW55d2F5IHN0YXJ0cyBnZXR0aW5nIAppbiB0aGUgd2F5LCBqdXN0IGRy b3AgdGhhdC4KClRoYW5rcywKUm9iaW4uCgpfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fXwpsaW51eC1hcm0ta2VybmVsIG1haWxpbmcgbGlzdApsaW51eC1hcm0t a2VybmVsQGxpc3RzLmluZnJhZGVhZC5vcmcKaHR0cDovL2xpc3RzLmluZnJhZGVhZC5vcmcvbWFp bG1hbi9saXN0aW5mby9saW51eC1hcm0ta2VybmVsCg==