From mboxrd@z Thu Jan 1 00:00:00 1970 From: Eric Auger Subject: [RFC 11/11] iommu/arm-smmu: Advertise IOMMU_CAP_TRANSLATE_MSI Date: Tue, 27 Sep 2016 20:48:38 +0000 Message-ID: <1475009318-2617-12-git-send-email-eric.auger@redhat.com> References: <1475009318-2617-1-git-send-email-eric.auger@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <1475009318-2617-1-git-send-email-eric.auger-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: iommu-bounces-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org Errors-To: iommu-bounces-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org To: eric.auger-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org, eric.auger.pro-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org, christoffer.dall-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org, marc.zyngier-5wv7dgnIgG8@public.gmane.org, robin.murphy-5wv7dgnIgG8@public.gmane.org, alex.williamson-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org, will.deacon-5wv7dgnIgG8@public.gmane.org, joro-zLv9SwRftAIdnm+yROfE0A@public.gmane.org, tglx-hfZtesqFncYOwBW4kG4KsQ@public.gmane.org, jason-NLaQJdtUoK4Be96aLqz0jA@public.gmane.org, linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org Cc: drjones-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org, kvm-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, Manish.Jaggi-M3mlKVOIwJVv6pq1l3V1OdBPR1lH4CV8@public.gmane.org, p.fedin-Sze3O3UU22JBDgjK7y7TUQ@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, iommu-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org, pranav.sawargaonkar-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org, yehuday-eYqpPyKDWXRBDgjK7y7TUQ@public.gmane.org List-Id: iommu@lists.linux-foundation.org arm-smmu and arm-smmu-v3 do translate MSI write transactions emitted by downstream devices. Advertise this property through the capable operation. Signed-off-by: Eric Auger --- drivers/iommu/arm-smmu-v3.c | 2 ++ drivers/iommu/arm-smmu.c | 2 ++ 2 files changed, 4 insertions(+) diff --git a/drivers/iommu/arm-smmu-v3.c b/drivers/iommu/arm-smmu-v3.c index c86ba84..431ba8c 100644 --- a/drivers/iommu/arm-smmu-v3.c +++ b/drivers/iommu/arm-smmu-v3.c @@ -1375,6 +1375,8 @@ static bool arm_smmu_capable(enum iommu_cap cap) return false; case IOMMU_CAP_NOEXEC: return true; + case IOMMU_CAP_TRANSLATE_MSI: + return true; default: return false; } diff --git a/drivers/iommu/arm-smmu.c b/drivers/iommu/arm-smmu.c index 7af1dd0..b862a1c 100644 --- a/drivers/iommu/arm-smmu.c +++ b/drivers/iommu/arm-smmu.c @@ -1363,6 +1363,8 @@ static bool arm_smmu_capable(enum iommu_cap cap) return false; case IOMMU_CAP_NOEXEC: return true; + case IOMMU_CAP_TRANSLATE_MSI: + return true; default: return false; } -- 1.9.1