From: Antonios Motakis <a.motakis@virtualopensystems.com> To: alex.williamson@redhat.com, kvmarm@lists.cs.columbia.edu, iommu@lists.linux-foundation.org Cc: tech@virtualopensystems.com, kvm@vger.kernel.org, christoffer.dall@linaro.org, will.deacon@arm.com, kim.phillips@freescale.com, eric.auger@linaro.org, marc.zyngier@arm.com, Antonios Motakis <a.motakis@virtualopensystems.com>, Joerg Roedel <jroedel@suse.de>, Greg Kroah-Hartman <gregkh@linuxfoundation.org>, Shuah Khan <shuah.kh@samsung.com>, Thierry Reding <treding@nvidia.com>, Alexey Kardashevskiy <aik@ozlabs.ru>, "Upinder Malhi (umalhi)" <umalhi@cisco.com>, linux-kernel@vger.kernel.org (open list) Subject: [PATCHv7 02/26] iommu: add capability IOMMU_CAP_NOEXEC Date: Tue, 23 Sep 2014 16:46:01 +0200 [thread overview] Message-ID: <1411483586-29304-3-git-send-email-a.motakis@virtualopensystems.com> (raw) In-Reply-To: <1411483586-29304-1-git-send-email-a.motakis@virtualopensystems.com> Some IOMMUs accept an IOMMU_NOEXEC protection flag in addition to IOMMU_READ and IOMMU_WRITE. Expose this as an IOMMU capability. Signed-off-by: Antonios Motakis <a.motakis@virtualopensystems.com> --- include/linux/iommu.h | 1 + 1 file changed, 1 insertion(+) diff --git a/include/linux/iommu.h b/include/linux/iommu.h index e1a644c..0433553 100644 --- a/include/linux/iommu.h +++ b/include/linux/iommu.h @@ -59,6 +59,7 @@ struct iommu_domain { #define IOMMU_CAP_CACHE_COHERENCY 0x1 #define IOMMU_CAP_INTR_REMAP 0x2 /* isolates device intrs */ +#define IOMMU_CAP_NOEXEC 0x3 /* IOMMU_NOEXEC flag */ /* * Following constraints are specifc to FSL_PAMUV1: -- 1.8.3.2
WARNING: multiple messages have this Message-ID (diff)
From: Antonios Motakis <a.motakis-lrHrjnjw1UfHK3s98zE1ajGjJy/sRE9J@public.gmane.org> To: alex.williamson-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org, kvmarm-FPEHb7Xf0XXUo1n7N8X6UoWGPAHP3yOg@public.gmane.org, iommu-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org Cc: Shuah Khan <shuah.kh-Sze3O3UU22JBDgjK7y7TUQ@public.gmane.org>, kvm-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, eric.auger-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org, marc.zyngier-5wv7dgnIgG8@public.gmane.org, Greg Kroah-Hartman <gregkh-hQyY1W1yCW8ekmWlsbkhG0B+6BGkLq7r@public.gmane.org>, will.deacon-5wv7dgnIgG8@public.gmane.org, open list <linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>, Thierry Reding <treding-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>, Alexey Kardashevskiy <aik-sLpHqDYs0B2HXe+LvDLADg@public.gmane.org>, Joerg Roedel <jroedel-l3A5Bk7waGM@public.gmane.org>, Antonios Motakis <a.motakis-lrHrjnjw1UfHK3s98zE1ajGjJy/sRE9J@public.gmane.org>, tech-lrHrjnjw1UfHK3s98zE1ajGjJy/sRE9J@public.gmane.org, christoffer.dall-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org Subject: [PATCHv7 02/26] iommu: add capability IOMMU_CAP_NOEXEC Date: Tue, 23 Sep 2014 16:46:01 +0200 [thread overview] Message-ID: <1411483586-29304-3-git-send-email-a.motakis@virtualopensystems.com> (raw) In-Reply-To: <1411483586-29304-1-git-send-email-a.motakis-lrHrjnjw1UfHK3s98zE1ajGjJy/sRE9J@public.gmane.org> Some IOMMUs accept an IOMMU_NOEXEC protection flag in addition to IOMMU_READ and IOMMU_WRITE. Expose this as an IOMMU capability. Signed-off-by: Antonios Motakis <a.motakis-lrHrjnjw1UfHK3s98zE1ajGjJy/sRE9J@public.gmane.org> --- include/linux/iommu.h | 1 + 1 file changed, 1 insertion(+) diff --git a/include/linux/iommu.h b/include/linux/iommu.h index e1a644c..0433553 100644 --- a/include/linux/iommu.h +++ b/include/linux/iommu.h @@ -59,6 +59,7 @@ struct iommu_domain { #define IOMMU_CAP_CACHE_COHERENCY 0x1 #define IOMMU_CAP_INTR_REMAP 0x2 /* isolates device intrs */ +#define IOMMU_CAP_NOEXEC 0x3 /* IOMMU_NOEXEC flag */ /* * Following constraints are specifc to FSL_PAMUV1: -- 1.8.3.2
next prev parent reply other threads:[~2014-09-23 14:46 UTC|newest] Thread overview: 104+ messages / expand[flat|nested] mbox.gz Atom feed top 2014-09-23 14:45 [PATCHv7 00/26] VFIO support for platform and AMBA devices on ARM Antonios Motakis 2014-09-23 14:46 ` [PATCHv7 01/26] iommu/arm-smmu: change IOMMU_EXEC to IOMMU_NOEXEC Antonios Motakis 2014-09-23 14:46 ` Antonios Motakis 2014-09-23 14:46 ` Antonios Motakis 2014-09-23 14:58 ` Will Deacon 2014-09-23 14:58 ` Will Deacon 2014-09-23 14:58 ` Will Deacon 2014-09-23 22:14 ` Alex Williamson 2014-09-23 22:14 ` Alex Williamson 2014-09-23 22:14 ` Alex Williamson 2014-09-23 14:46 ` Antonios Motakis [this message] 2014-09-23 14:46 ` [PATCHv7 02/26] iommu: add capability IOMMU_CAP_NOEXEC Antonios Motakis 2014-09-26 9:48 ` Joerg Roedel 2014-09-26 9:48 ` Joerg Roedel 2014-09-26 15:00 ` Antonios Motakis 2014-09-26 15:00 ` Antonios Motakis 2014-09-23 14:46 ` [PATCHv7 03/26] iommu/arm-smmu: add IOMMU_CAP_NOEXEC to the ARM SMMU driver Antonios Motakis 2014-09-23 14:46 ` Antonios Motakis 2014-09-23 14:46 ` Antonios Motakis 2014-09-23 14:46 ` [PATCHv7 04/26] vfio/iommu_type1: support for platform bus devices on ARM Antonios Motakis 2014-09-23 14:46 ` Antonios Motakis 2014-09-23 14:46 ` [PATCHv7 05/26] vfio: introduce the VFIO_DMA_MAP_FLAG_NOEXEC flag Antonios Motakis 2014-09-23 14:46 ` Antonios Motakis 2014-09-23 22:21 ` Alex Williamson 2014-09-23 22:21 ` Alex Williamson 2014-09-23 22:30 ` Alex Williamson 2014-09-23 22:30 ` Alex Williamson 2014-09-26 15:45 ` Antonios Motakis 2014-09-26 15:45 ` Antonios Motakis 2014-09-23 14:46 ` [PATCHv7 06/26] vfio/iommu_type1: implement " Antonios Motakis 2014-09-23 14:46 ` Antonios Motakis 2014-09-23 22:40 ` Alex Williamson 2014-09-23 22:40 ` Alex Williamson 2014-09-26 15:39 ` Antonios Motakis 2014-09-26 15:39 ` Antonios Motakis 2014-09-26 20:27 ` Alex Williamson 2014-09-26 20:27 ` Alex Williamson 2014-09-29 10:38 ` Antonios Motakis 2014-09-29 10:38 ` Antonios Motakis 2014-09-23 14:46 ` [PATCHv7 07/26] driver core: amba: add device binding path 'driver_override' Antonios Motakis 2014-09-23 14:46 ` Antonios Motakis 2014-09-23 22:45 ` Alex Williamson 2014-09-23 22:45 ` Alex Williamson 2014-09-26 15:10 ` Antonios Motakis 2014-09-26 15:10 ` Antonios Motakis 2014-09-26 15:37 ` Russell King - ARM Linux 2014-09-29 10:14 ` Antonios Motakis 2014-09-29 10:14 ` Antonios Motakis 2014-10-08 12:18 ` Antonios Motakis 2014-10-08 12:18 ` Antonios Motakis 2014-09-23 14:46 ` [PATCHv7 08/26] driver core: amba: add documentation for " Antonios Motakis 2014-09-23 14:46 ` Antonios Motakis 2014-09-23 14:46 ` [PATCHv7 09/26] vfio/platform: initial skeleton of VFIO support for platform devices Antonios Motakis 2014-09-23 14:46 ` Antonios Motakis 2014-09-23 14:46 ` [PATCHv7 10/26] vfio: platform: probe to devices on the platform bus Antonios Motakis 2014-09-23 14:46 ` Antonios Motakis 2014-09-23 23:01 ` Alex Williamson 2014-09-23 23:01 ` Alex Williamson 2014-09-26 15:30 ` Antonios Motakis 2014-09-26 15:30 ` Antonios Motakis 2014-09-26 20:18 ` Alex Williamson 2014-09-26 20:18 ` Alex Williamson 2014-09-29 10:21 ` Antonios Motakis 2014-09-29 10:21 ` Antonios Motakis 2014-09-23 14:46 ` [PATCHv7 11/26] vfio: platform: add the VFIO PLATFORM module to Kconfig Antonios Motakis 2014-09-23 14:46 ` Antonios Motakis 2014-09-23 14:46 ` [PATCHv7 12/26] vfio: amba: VFIO support for AMBA devices Antonios Motakis 2014-09-23 14:46 ` Antonios Motakis 2014-09-23 14:46 ` [PATCHv7 13/26] vfio: amba: add the VFIO for AMBA devices module to Kconfig Antonios Motakis 2014-09-23 14:46 ` Antonios Motakis 2014-09-23 23:11 ` Alex Williamson 2014-09-23 23:11 ` Alex Williamson 2014-09-26 15:06 ` Antonios Motakis 2014-09-26 15:06 ` Antonios Motakis 2014-09-23 14:46 ` [PATCHv7 14/26] vfio/platform: return info for bound device Antonios Motakis 2014-09-23 14:46 ` Antonios Motakis 2014-09-23 14:46 ` [PATCHv7 15/26] vfio/platform: return info for device memory mapped IO regions Antonios Motakis 2014-09-23 14:46 ` Antonios Motakis 2014-09-23 14:46 ` [PATCHv7 16/26] vfio/platform: read and write support for the device fd Antonios Motakis 2014-09-23 14:46 ` Antonios Motakis 2014-09-23 14:46 ` [PATCHv7 17/26] vfio/platform: support MMAP of MMIO regions Antonios Motakis 2014-09-23 14:46 ` Antonios Motakis 2014-09-23 14:46 ` [PATCHv7 18/26] vfio/platform: return IRQ info Antonios Motakis 2014-09-23 14:46 ` Antonios Motakis 2014-09-23 14:46 ` [PATCHv7 19/26] vfio/platform: initial interrupts support code Antonios Motakis 2014-09-23 14:46 ` Antonios Motakis 2014-09-23 14:46 ` [PATCHv7 20/26] vfio/platform: trigger an interrupt via eventfd Antonios Motakis 2014-09-23 14:46 ` Antonios Motakis 2014-09-24 17:00 ` Alex Williamson 2014-09-24 17:00 ` Alex Williamson 2014-09-26 15:03 ` Antonios Motakis 2014-09-26 15:03 ` Antonios Motakis 2014-09-23 14:46 ` [PATCHv7 21/26] vfio/platform: support for maskable and automasked interrupts Antonios Motakis 2014-09-23 14:46 ` Antonios Motakis 2014-09-23 14:46 ` [PATCHv7 22/26] vfio: move eventfd support code for VFIO_PCI to a separate file Antonios Motakis 2014-09-23 14:46 ` Antonios Motakis 2014-09-23 14:46 ` [PATCHv7 23/26] vfio: add local lock in virqfd instead of depending on VFIO PCI Antonios Motakis 2014-09-23 14:46 ` Antonios Motakis 2014-09-23 14:46 ` [PATCHv7 24/26] vfio: pass an opaque pointer on virqfd initialization Antonios Motakis 2014-09-23 14:46 ` Antonios Motakis 2014-09-23 14:46 ` [PATCHv7 25/26] vfio: initialize the virqfd workqueue in VFIO generic code Antonios Motakis 2014-09-23 14:46 ` Antonios Motakis 2014-09-23 14:46 ` [PATCHv7 26/26] vfio/platform: implement IRQ masking/unmasking via an eventfd Antonios Motakis 2014-09-23 14:46 ` Antonios Motakis
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