From patchwork Thu Jan 5 19:04:46 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Eric Auger X-Patchwork-Id: 9499585 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 63258606B4 for ; Thu, 5 Jan 2017 19:21:38 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 4B0622842D for ; Thu, 5 Jan 2017 19:21:38 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 3EF6C2844A; Thu, 5 Jan 2017 19:21:38 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-4.2 required=2.0 tests=BAYES_00, RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.9]) (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id CF55E2842D for ; Thu, 5 Jan 2017 19:21:37 +0000 (UTC) Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.87 #1 (Red Hat Linux)) id 1cPDbU-0003ZP-LR; Thu, 05 Jan 2017 19:21:36 +0000 Received: from mx1.redhat.com ([209.132.183.28]) by bombadil.infradead.org with esmtps (Exim 4.87 #1 (Red Hat Linux)) id 1cPDNP-0002fP-3q for linux-arm-kernel@lists.infradead.org; Thu, 05 Jan 2017 19:07:09 +0000 Received: from int-mx13.intmail.prod.int.phx2.redhat.com (int-mx13.intmail.prod.int.phx2.redhat.com [10.5.11.26]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id DC4AD7D0F9; Thu, 5 Jan 2017 19:06:47 +0000 (UTC) Received: from localhost.redhat.com (vpn1-4-92.ams2.redhat.com [10.36.4.92]) by int-mx13.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id v05J4naT012717; Thu, 5 Jan 2017 14:06:42 -0500 From: Eric Auger To: eric.auger@redhat.com, eric.auger.pro@gmail.com, christoffer.dall@linaro.org, marc.zyngier@arm.com, robin.murphy@arm.com, alex.williamson@redhat.com, will.deacon@arm.com, joro@8bytes.org, tglx@linutronix.de, jason@lakedaemon.net, linux-arm-kernel@lists.infradead.org Subject: [PATCH v6 18/18] iommu/arm-smmu: Do not advertise IOMMU_CAP_INTR_REMAP anymore Date: Thu, 5 Jan 2017 19:04:46 +0000 Message-Id: <1483643086-2883-19-git-send-email-eric.auger@redhat.com> In-Reply-To: <1483643086-2883-1-git-send-email-eric.auger@redhat.com> References: <1483643086-2883-1-git-send-email-eric.auger@redhat.com> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.26 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.27]); Thu, 05 Jan 2017 19:06:48 +0000 (UTC) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20170105_110703_575069_2A4C6F0E X-CRM114-Status: GOOD ( 11.19 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: drjones@redhat.com, kvm@vger.kernel.org, punit.agrawal@arm.com, linux-kernel@vger.kernel.org, geethasowjanya.akula@gmail.com, diana.craciun@nxp.com, iommu@lists.linux-foundation.org, pranav.sawargaonkar@gmail.com, bharat.bhushan@nxp.com, shankerd@codeaurora.org, gpkulkarni@gmail.com MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP IOMMU_CAP_INTR_REMAP has been advertised in arm-smmu(-v3) although on ARM this property is not attached to the IOMMU but rather is implemented in the MSI controller (GICv3 ITS). Now vfio_iommu_type1 checks MSI remapping capability at MSI controller level, let's correct this. Signed-off-by: Eric Auger --- drivers/iommu/arm-smmu-v3.c | 2 -- drivers/iommu/arm-smmu.c | 2 -- 2 files changed, 4 deletions(-) diff --git a/drivers/iommu/arm-smmu-v3.c b/drivers/iommu/arm-smmu-v3.c index 6c4111c..d9cf6cb 100644 --- a/drivers/iommu/arm-smmu-v3.c +++ b/drivers/iommu/arm-smmu-v3.c @@ -1375,8 +1375,6 @@ static bool arm_smmu_capable(enum iommu_cap cap) switch (cap) { case IOMMU_CAP_CACHE_COHERENCY: return true; - case IOMMU_CAP_INTR_REMAP: - return true; /* MSIs are just memory writes */ case IOMMU_CAP_NOEXEC: return true; default: diff --git a/drivers/iommu/arm-smmu.c b/drivers/iommu/arm-smmu.c index a354572..13d2600 100644 --- a/drivers/iommu/arm-smmu.c +++ b/drivers/iommu/arm-smmu.c @@ -1374,8 +1374,6 @@ static bool arm_smmu_capable(enum iommu_cap cap) * requests. */ return true; - case IOMMU_CAP_INTR_REMAP: - return true; /* MSIs are just memory writes */ case IOMMU_CAP_NOEXEC: return true; default: