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 X-Spam-Level: X-Spam-Status: No, score=-10.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, MENTIONS_GIT_HOSTING,SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 91E58C47095 for ; Wed, 9 Jun 2021 09:44:13 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 71E1C613AC for ; Wed, 9 Jun 2021 09:44:13 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234772AbhFIJqG (ORCPT ); Wed, 9 Jun 2021 05:46:06 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:59440 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234017AbhFIJqG (ORCPT ); Wed, 9 Jun 2021 05:46:06 -0400 Received: from mail-wr1-x435.google.com (mail-wr1-x435.google.com [IPv6:2a00:1450:4864:20::435]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 08614C061574 for ; Wed, 9 Jun 2021 02:44:12 -0700 (PDT) Received: by mail-wr1-x435.google.com with SMTP id y7so20086634wrh.7 for ; Wed, 09 Jun 2021 02:44:11 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to; bh=n+lFdIy/Fj8w641ouj5kQ8wz/6ZZG0ZHAWeOT4yzbRc=; b=AT64ZswDoaXLxTV5klTqoMfaholatkhAgnHUHUWahtJmGmuFXvejIFYV2hDEh4Rk3O PDGIZWSNjngAhf2i1GUAhAuRbdZyt4r4L6BOpuInByx9+QeUJVeV0PHMpVrQd7krsSxF /tBikZ50LsePM25jiogN+MPuP137zS1/Bpq+O9862lzK7vprtdrHBr+1FbJaCQYp1zBw xiOZYCS9lSQUuALZaaPZwSyTm392hcZhtCagAm+d01KNzUVdfqo7smulok/Utmwxg2vt DTGcUvy0B+AAEAhMD5XTQvmSSbd/mI0FqHAy2In9nE5SA87kIDLgx8Q2hR5YA3dBRMXw 8cAw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to; bh=n+lFdIy/Fj8w641ouj5kQ8wz/6ZZG0ZHAWeOT4yzbRc=; b=Dj2UFHYbJ6mjlo6m6HWee5puDO/EcUTRSfD7UsiNBIhuCor4Uq48ey3u9ODtheJglr CmvAVRx3UBgbqvmYg+esBXxqTg5OBGfLYCF4zUroqucqvt/VZMciVWanKiOpPYmDia5B U0TmUhmMwZEc3/9pduoDa4ZwNIwPoSU42fDaMWTJi3z6hbYszDQsj6GUejm2+ZzI3wkS oyFuDeFLoxRfo0K/6Arxv2eBlg06iMdvCnHfwHmCs20z+YVeD95MSzPv2xX2QmF5vKa6 EDD6k2V0ewoaHEkGm2gzXU//3e1dRlfKFDZVA4GIqD9ZJPzJf7O7ptu7/SJqkYvNHnjS CqCA== X-Gm-Message-State: AOAM531B93xzbheIxF+xTkO3CQ74q5WAhQCQu6XocyN/IFzZDFtxFDez lIZzEF3upOgvzRDHsSogsJgAaw== X-Google-Smtp-Source: ABdhPJwO3THpKtkdcUWrskaIYkB0u8maKDhXBCguE9TgSQU4qzM70G7eqJmGWmGYL8J1rMvvo9H1PA== X-Received: by 2002:a5d:67cf:: with SMTP id n15mr27346967wrw.228.1623231850644; Wed, 09 Jun 2021 02:44:10 -0700 (PDT) Received: from myrica (adsl-84-226-111-173.adslplus.ch. [84.226.111.173]) by smtp.gmail.com with ESMTPSA id m23sm6757801wml.27.2021.06.09.02.44.09 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 09 Jun 2021 02:44:10 -0700 (PDT) Date: Wed, 9 Jun 2021 11:43:52 +0200 From: Jean-Philippe Brucker To: Will Deacon Cc: joro@8bytes.org, catalin.marinas@arm.com, kernel-team@android.com, robh+dt@kernel.org, linux-acpi@vger.kernel.org, sudeep.holla@arm.com, robin.murphy@arm.com, guohanjun@huawei.com, devicetree@vger.kernel.org, iommu@lists.linux-foundation.org, zhangfei.gao@linaro.org, wangzhou1@hisilicon.com, Jonathan.Cameron@huawei.com, lorenzo.pieralisi@arm.com, linux-arm-kernel@lists.infradead.org, eric.auger@redhat.com, rjw@rjwysocki.net, lenb@kernel.org Subject: Re: [PATCH v15 0/3] iommu/arm-smmu-v3: Add stall support Message-ID: References: <20210526161927.24268-1-jean-philippe@linaro.org> <162314710744.3707892.6632600736379822229.b4-ty@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <162314710744.3707892.6632600736379822229.b4-ty@kernel.org> Precedence: bulk List-ID: X-Mailing-List: linux-acpi@vger.kernel.org On Tue, Jun 08, 2021 at 12:42:34PM +0100, Will Deacon wrote: > On Wed, 26 May 2021 18:19:25 +0200, Jean-Philippe Brucker wrote: > > Add stall support for SMMUv3, enabling I/O page faults and SVA for > > compatible devices. No change since last version [1], but I'd still like > > this to be considered for upstream, because there exists hardware and > > applications. > > > > Stall is implemented by the Kunpeng 920 processor for its compression > > and crypto accelerators, with which I tested the SVA infrastructure. > > Using the userspace accelerator API [2], a program can obtain a queue > > from one of these devices and submit compression or encryption work > > within the program's address space. UADK [3] provides a library to do > > this, and there is an openssl plugin [4] to use it. > > > > [...] > > Applied to will (for-joerg/arm-smmu/updates), thanks! > > [1/3] dt-bindings: document stall property for IOMMU masters > https://git.kernel.org/will/c/ed1d08b9d0c9 > [2/3] ACPI/IORT: Enable stall support for platform devices > https://git.kernel.org/will/c/6522b1e0c78f > [3/3] iommu/arm-smmu-v3: Add stall support for platform devices > https://git.kernel.org/will/c/395ad89d11fd > Thanks! That concludes most of the SVA work. For SMMUv3 we still need to figure out DVM, there will be PRI at some point, and I'm sure some bugfixes but I don't plan to send any other major feature support for the next cycles. Thanks, Jean 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 X-Spam-Level: X-Spam-Status: No, score=-8.6 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, MENTIONS_GIT_HOSTING,SPF_HELO_NONE,SPF_PASS,URIBL_RED autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 7EE28C47095 for ; Wed, 9 Jun 2021 09:44:18 +0000 (UTC) Received: from smtp1.osuosl.org (smtp1.osuosl.org [140.211.166.138]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 2C7D6613AC for ; Wed, 9 Jun 2021 09:44:18 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 2C7D6613AC Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=linaro.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=iommu-bounces@lists.linux-foundation.org Received: from localhost (localhost [127.0.0.1]) by smtp1.osuosl.org (Postfix) with ESMTP id F292783C23; Wed, 9 Jun 2021 09:44:17 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from smtp1.osuosl.org ([127.0.0.1]) by localhost (smtp1.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id fZK7yJeBOWWf; Wed, 9 Jun 2021 09:44:17 +0000 (UTC) Received: from lists.linuxfoundation.org (lf-lists.osuosl.org [IPv6:2605:bc80:3010:104::8cd3:938]) by smtp1.osuosl.org (Postfix) with ESMTPS id 0126283C0B; Wed, 9 Jun 2021 09:44:17 +0000 (UTC) Received: from lf-lists.osuosl.org (localhost [127.0.0.1]) by lists.linuxfoundation.org (Postfix) with ESMTP id CD0FFC000E; Wed, 9 Jun 2021 09:44:16 +0000 (UTC) Received: from smtp2.osuosl.org (smtp2.osuosl.org [IPv6:2605:bc80:3010::133]) by lists.linuxfoundation.org (Postfix) with ESMTP id BB82DC000B for ; Wed, 9 Jun 2021 09:44:14 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by smtp2.osuosl.org (Postfix) with ESMTP id AA26F4034B for ; Wed, 9 Jun 2021 09:44:14 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Authentication-Results: smtp2.osuosl.org (amavisd-new); dkim=pass (2048-bit key) header.d=linaro.org Received: from smtp2.osuosl.org ([127.0.0.1]) by localhost (smtp2.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id s1AOH-xoavgT for ; Wed, 9 Jun 2021 09:44:12 +0000 (UTC) X-Greylist: whitelisted by SQLgrey-1.8.0 Received: from mail-wr1-x42c.google.com (mail-wr1-x42c.google.com [IPv6:2a00:1450:4864:20::42c]) by smtp2.osuosl.org (Postfix) with ESMTPS id 745394033C for ; Wed, 9 Jun 2021 09:44:12 +0000 (UTC) Received: by mail-wr1-x42c.google.com with SMTP id l2so24754730wrw.6 for ; Wed, 09 Jun 2021 02:44:12 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to; bh=n+lFdIy/Fj8w641ouj5kQ8wz/6ZZG0ZHAWeOT4yzbRc=; b=AT64ZswDoaXLxTV5klTqoMfaholatkhAgnHUHUWahtJmGmuFXvejIFYV2hDEh4Rk3O PDGIZWSNjngAhf2i1GUAhAuRbdZyt4r4L6BOpuInByx9+QeUJVeV0PHMpVrQd7krsSxF /tBikZ50LsePM25jiogN+MPuP137zS1/Bpq+O9862lzK7vprtdrHBr+1FbJaCQYp1zBw xiOZYCS9lSQUuALZaaPZwSyTm392hcZhtCagAm+d01KNzUVdfqo7smulok/Utmwxg2vt DTGcUvy0B+AAEAhMD5XTQvmSSbd/mI0FqHAy2In9nE5SA87kIDLgx8Q2hR5YA3dBRMXw 8cAw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to; bh=n+lFdIy/Fj8w641ouj5kQ8wz/6ZZG0ZHAWeOT4yzbRc=; b=DofMtSGroPdk9jt7S82HLzZ7G9yZoWdRVsDFM746XGjhxPEXg1gWqCDFT2QTiE4Ybk TOdAqlBKV0U7HJAkyZPE4tXzsBGzCmVMzcU9Ste/0OHmb/wBcdUfCbFOVW24opGAP+R8 d5utHJ8r0V9tnMRlpBhre9ItLdW8aIwhRYB/NUuFz19lCEVsxkUiGs9fEwGYaQ7przRh /0buwyLqVl1hEv/vjCdiA6AiVpTTlVk9fSdogYA1BcsFK5nGQchNAq095nu7DddVUbRW ATCj4voLzwkrs5/OgSZvHWwAPmGTq/zzPBLGMu9kqPYQgh4Q+JhZ2HDLfJs2sk4eOEth MO/A== X-Gm-Message-State: AOAM5325YdVxfW6qxF5ko9n1RIuNpRmp5MgfBcHvnjg0dwbBX+kOv5kW nnFeE2YU6YVazfc9BsBcyT93vQ== X-Google-Smtp-Source: ABdhPJwO3THpKtkdcUWrskaIYkB0u8maKDhXBCguE9TgSQU4qzM70G7eqJmGWmGYL8J1rMvvo9H1PA== X-Received: by 2002:a5d:67cf:: with SMTP id n15mr27346967wrw.228.1623231850644; Wed, 09 Jun 2021 02:44:10 -0700 (PDT) Received: from myrica (adsl-84-226-111-173.adslplus.ch. [84.226.111.173]) by smtp.gmail.com with ESMTPSA id m23sm6757801wml.27.2021.06.09.02.44.09 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 09 Jun 2021 02:44:10 -0700 (PDT) Date: Wed, 9 Jun 2021 11:43:52 +0200 From: Jean-Philippe Brucker To: Will Deacon Subject: Re: [PATCH v15 0/3] iommu/arm-smmu-v3: Add stall support Message-ID: References: <20210526161927.24268-1-jean-philippe@linaro.org> <162314710744.3707892.6632600736379822229.b4-ty@kernel.org> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <162314710744.3707892.6632600736379822229.b4-ty@kernel.org> Cc: devicetree@vger.kernel.org, catalin.marinas@arm.com, guohanjun@huawei.com, rjw@rjwysocki.net, robin.murphy@arm.com, linux-acpi@vger.kernel.org, iommu@lists.linux-foundation.org, robh+dt@kernel.org, sudeep.holla@arm.com, zhangfei.gao@linaro.org, kernel-team@android.com, linux-arm-kernel@lists.infradead.org, lenb@kernel.org X-BeenThere: iommu@lists.linux-foundation.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: Development issues for Linux IOMMU support List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: iommu-bounces@lists.linux-foundation.org Sender: "iommu" On Tue, Jun 08, 2021 at 12:42:34PM +0100, Will Deacon wrote: > On Wed, 26 May 2021 18:19:25 +0200, Jean-Philippe Brucker wrote: > > Add stall support for SMMUv3, enabling I/O page faults and SVA for > > compatible devices. No change since last version [1], but I'd still like > > this to be considered for upstream, because there exists hardware and > > applications. > > > > Stall is implemented by the Kunpeng 920 processor for its compression > > and crypto accelerators, with which I tested the SVA infrastructure. > > Using the userspace accelerator API [2], a program can obtain a queue > > from one of these devices and submit compression or encryption work > > within the program's address space. UADK [3] provides a library to do > > this, and there is an openssl plugin [4] to use it. > > > > [...] > > Applied to will (for-joerg/arm-smmu/updates), thanks! > > [1/3] dt-bindings: document stall property for IOMMU masters > https://git.kernel.org/will/c/ed1d08b9d0c9 > [2/3] ACPI/IORT: Enable stall support for platform devices > https://git.kernel.org/will/c/6522b1e0c78f > [3/3] iommu/arm-smmu-v3: Add stall support for platform devices > https://git.kernel.org/will/c/395ad89d11fd > Thanks! That concludes most of the SVA work. For SMMUv3 we still need to figure out DVM, there will be PRI at some point, and I'm sure some bugfixes but I don't plan to send any other major feature support for the next cycles. Thanks, Jean _______________________________________________ iommu mailing list iommu@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/iommu 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 X-Spam-Level: X-Spam-Status: No, score=-9.0 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, MENTIONS_GIT_HOSTING,SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id E1421C47095 for ; Wed, 9 Jun 2021 09:52:43 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id B285061042 for ; Wed, 9 Jun 2021 09:52:43 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org B285061042 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=linaro.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:References: Message-ID:Subject:Cc:To:From:Date:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=euoPK4/0DiHdtVVSQWhwQAG3Ev6JppYRGLy3lRYoP9Y=; b=QhfAojAXLhQzAE DHw2Nleujn808v2DO4hcDBdIRJiayCj0AhTsQ01TnuClYO6kWtvNcNQ4qe6QKbQ9FYaLM29jawmFF y5gXTcsBb+4RD8D6es/tXApWGmHmqLmuUc1VPgCC15gulbprJggmkvtiptlBBkvELhHtktifullY8 AaO3dd6IuJi+9JdwEZZDnr4MKMONdSBtv6mgVPVlQ5kWwQWQUvFcTs/SOe8zxpsRAG8w7UAe5DCDS Cee1cTg+eB/cG16u8hiR60t47vS2HWGXMiswVIypFSu3pTmdHWAGEi1b/2y50CZtuAJvfOZI3AUuo C7qe33OIV2ODn5sJVN8A==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1lquqR-00CnJd-2C; Wed, 09 Jun 2021 09:49:56 +0000 Received: from mail-wr1-x429.google.com ([2a00:1450:4864:20::429]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1lqukv-00Clh6-FE for linux-arm-kernel@lists.infradead.org; Wed, 09 Jun 2021 09:44:15 +0000 Received: by mail-wr1-x429.google.com with SMTP id a20so24793104wrc.0 for ; Wed, 09 Jun 2021 02:44:11 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to; bh=n+lFdIy/Fj8w641ouj5kQ8wz/6ZZG0ZHAWeOT4yzbRc=; b=AT64ZswDoaXLxTV5klTqoMfaholatkhAgnHUHUWahtJmGmuFXvejIFYV2hDEh4Rk3O PDGIZWSNjngAhf2i1GUAhAuRbdZyt4r4L6BOpuInByx9+QeUJVeV0PHMpVrQd7krsSxF /tBikZ50LsePM25jiogN+MPuP137zS1/Bpq+O9862lzK7vprtdrHBr+1FbJaCQYp1zBw xiOZYCS9lSQUuALZaaPZwSyTm392hcZhtCagAm+d01KNzUVdfqo7smulok/Utmwxg2vt DTGcUvy0B+AAEAhMD5XTQvmSSbd/mI0FqHAy2In9nE5SA87kIDLgx8Q2hR5YA3dBRMXw 8cAw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to; bh=n+lFdIy/Fj8w641ouj5kQ8wz/6ZZG0ZHAWeOT4yzbRc=; b=meFLIatdyjxDg+2WCgIQFzZR9NKJVN87LG4pgZMYM0ksWJc3JRbMW6ibqgTagT9DwZ HjIgdKso5aHfIncNXv0nn1VFvQA74N55/kmu4wesRk1qE+gLr/lZt5ZQ08IkIrDtbCut R9bSyuoLTKGh1edXiWJe+BaPxuqks1cXByxL95Nof1ksjBl7uewY3eMD+FJlRWpQ3boH N8p81s82uH6TIHWStsf/j1oLipw7ro4rPYfklLmG6AmCzDfZG5z2O/8OwkOzNqs37qqU TUetcsfqlZzwK5nVR1ArQa1ux27TEbVeO7SG6RJ9Dlu2LM4oCLG/UvlKrpesXRB/GfEW cB/Q== X-Gm-Message-State: AOAM532ddi1nKTCzIrjVlOevL2zhd8VIyEpV6pkouqChot6dXiOoxoew bMeWjhFPbIcEJheKoCytXfGLzQ== X-Google-Smtp-Source: ABdhPJwO3THpKtkdcUWrskaIYkB0u8maKDhXBCguE9TgSQU4qzM70G7eqJmGWmGYL8J1rMvvo9H1PA== X-Received: by 2002:a5d:67cf:: with SMTP id n15mr27346967wrw.228.1623231850644; Wed, 09 Jun 2021 02:44:10 -0700 (PDT) Received: from myrica (adsl-84-226-111-173.adslplus.ch. [84.226.111.173]) by smtp.gmail.com with ESMTPSA id m23sm6757801wml.27.2021.06.09.02.44.09 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 09 Jun 2021 02:44:10 -0700 (PDT) Date: Wed, 9 Jun 2021 11:43:52 +0200 From: Jean-Philippe Brucker To: Will Deacon Cc: joro@8bytes.org, catalin.marinas@arm.com, kernel-team@android.com, robh+dt@kernel.org, linux-acpi@vger.kernel.org, sudeep.holla@arm.com, robin.murphy@arm.com, guohanjun@huawei.com, devicetree@vger.kernel.org, iommu@lists.linux-foundation.org, zhangfei.gao@linaro.org, wangzhou1@hisilicon.com, Jonathan.Cameron@huawei.com, lorenzo.pieralisi@arm.com, linux-arm-kernel@lists.infradead.org, eric.auger@redhat.com, rjw@rjwysocki.net, lenb@kernel.org Subject: Re: [PATCH v15 0/3] iommu/arm-smmu-v3: Add stall support Message-ID: References: <20210526161927.24268-1-jean-philippe@linaro.org> <162314710744.3707892.6632600736379822229.b4-ty@kernel.org> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <162314710744.3707892.6632600736379822229.b4-ty@kernel.org> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210609_024413_609566_F6AB73D9 X-CRM114-Status: GOOD ( 19.27 ) 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-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Tue, Jun 08, 2021 at 12:42:34PM +0100, Will Deacon wrote: > On Wed, 26 May 2021 18:19:25 +0200, Jean-Philippe Brucker wrote: > > Add stall support for SMMUv3, enabling I/O page faults and SVA for > > compatible devices. No change since last version [1], but I'd still like > > this to be considered for upstream, because there exists hardware and > > applications. > > > > Stall is implemented by the Kunpeng 920 processor for its compression > > and crypto accelerators, with which I tested the SVA infrastructure. > > Using the userspace accelerator API [2], a program can obtain a queue > > from one of these devices and submit compression or encryption work > > within the program's address space. UADK [3] provides a library to do > > this, and there is an openssl plugin [4] to use it. > > > > [...] > > Applied to will (for-joerg/arm-smmu/updates), thanks! > > [1/3] dt-bindings: document stall property for IOMMU masters > https://git.kernel.org/will/c/ed1d08b9d0c9 > [2/3] ACPI/IORT: Enable stall support for platform devices > https://git.kernel.org/will/c/6522b1e0c78f > [3/3] iommu/arm-smmu-v3: Add stall support for platform devices > https://git.kernel.org/will/c/395ad89d11fd > Thanks! That concludes most of the SVA work. For SMMUv3 we still need to figure out DVM, there will be PRI at some point, and I'm sure some bugfixes but I don't plan to send any other major feature support for the next cycles. Thanks, Jean _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel