From mboxrd@z Thu Jan 1 00:00:00 1970 From: Alex Williamson Subject: Re: [PATCH v2 3/3] drivers/vfio: Allow type-1 IOMMU instantiation on top of an ARM SMMUv3 Date: Wed, 27 May 2015 10:46:43 -0600 Message-ID: <1432745203.24271.14.camel@redhat.com> References: <1432743960-25205-1-git-send-email-will.deacon@arm.com> <1432743960-25205-4-git-send-email-will.deacon@arm.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <1432743960-25205-4-git-send-email-will.deacon-5wv7dgnIgG8@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: Will Deacon Cc: Mark.Rutland-5wv7dgnIgG8@public.gmane.org, iommu-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org, thunder.leizhen-hv44wF8Li93QT0dZR+AlfA@public.gmane.org, linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org List-Id: iommu@lists.linux-foundation.org On Wed, 2015-05-27 at 17:26 +0100, Will Deacon wrote: > The ARM SMMUv3 driver is compatible with the notion of a type-1 IOMMU in > VFIO. > > This patch allows VFIO_IOMMU_TYPE1 to be selected if ARM_SMMU_V3=y. > > Signed-off-by: Will Deacon Acked-by: Alex Williamson > --- > drivers/vfio/Kconfig | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/vfio/Kconfig b/drivers/vfio/Kconfig > index 7d092ddc8119..454017928ed0 100644 > --- a/drivers/vfio/Kconfig > +++ b/drivers/vfio/Kconfig > @@ -21,7 +21,7 @@ config VFIO_VIRQFD > menuconfig VFIO > tristate "VFIO Non-Privileged userspace driver framework" > depends on IOMMU_API > - select VFIO_IOMMU_TYPE1 if (X86 || S390 || ARM_SMMU) > + select VFIO_IOMMU_TYPE1 if (X86 || S390 || ARM_SMMU || ARM_SMMU_V3) > select VFIO_IOMMU_SPAPR_TCE if (PPC_POWERNV || PPC_PSERIES) > select VFIO_SPAPR_EEH if (PPC_POWERNV || PPC_PSERIES) > select ANON_INODES