On 12/01/2014 01:45 PM, Antonios Motakis wrote: > Hello Eric, > > On Fri, Nov 28, 2014 at 7:05 PM, Eric Auger <eric.auger@xxxxxxxxxx> wrote: >> Hi Antonios, >> >> you can add Tested-by: Eric Auger <eric.auger@xxxxxxxxxx> >> > > Thanks! > >> I added some patches related to IOMMU_CAP_NOEXEC cap to compile your 2 >> series with v3.18-rc5, maybe due to the fact I did not use some >> iommu/vt-d stuff? See my 3.18-rc6-v10 on my kernel git branch. >> > > The IOMMU_NOEXEC stuff no lives in Joerg Roedel's iommu/next branch; > see https://git.kernel.org/cgit/linux/kernel/git/joro/iommu.git/log/?h=next > > As mentioned in the cover of the first patch series, you will have to > apply the rest of the patches on that, until eventually they are > pulled in mainline. There are also some other dependencies in there as > well for the new type1 for ARM patch series. ok thanks, Eric > > Best regards > Antonios > >> Best Regards >> >> Eric >> >> On 11/27/2014 06:32 PM, Antonios Motakis wrote: >>> This patch series aims to implement VFIO support for platform devices that >>> reside behind an IOMMU. Examples of such devices are devices behind an ARM >>> SMMU, or behind a Samsung Exynos System MMU. >>> >>> The API used is based on the existing VFIO API that is also used with PCI >>> devices. Only devices that include a basic set of IRQs and memory regions are >>> targeted; devices with complex relationships with other devices on a device >>> tree are not taken into account at this stage. >>> >>> This patch series may be applied on the following series/patches: >>> - [PATCH] driver core: amba: add device binding path 'driver_override' >>> - [PATCH v3 0/6] vfio: type1: support for ARM SMMUS with VFIO_IOMMU_TYPE1 >>> >>> A copy can be cloned from the branch vfio-platform-v10 at: >>> git@xxxxxxxxxx:virtualopensystems/linux-kvm-arm.git >>> >>> Changes since v9: >>> - Reworked the splitting of the patches that decouple virqfd from PCI >>> - Some styling issues and typos >>> - Removed superfluous includes >>> - AMBA devices are now named vfio-amba- suffixed by the AMBA device id >>> - Several other cleanups and fixes >>> Changes since v8: >>> - Separate irq handler for edge and level triggered interrupts >>> - Mutex based lock for VFIO fd open/release >>> - Fixed bug where the first region of a platform device wasn't exposed >>> - Read only regions can be MMAPed only read only >>> - Code cleanups >>> Changes since v7: >>> - Some initial placeholder functionality for PIO resources >>> - Cleaned up code for IRQ triggering, masking and unmasking >>> - Some functionality has been removed from this series and posted separately: >>> - VFIO_IOMMU_TYPE1 support for ARM SMMUs >>> - IOMMU NOEXEC patches >>> - driver_override functionality for AMBA devices >>> - Several fixes >>> Changes since v6: >>> - Integrated support for AMBA devices >>> - Numerous cleanups and fixes >>> Changes since v5: >>> - Full eventfd support for IRQ masking and unmasking. >>> - Changed IOMMU_EXEC to IOMMU_NOEXEC, along with related flags in VFIO. >>> - Other fixes based on reviewer comments. >>> Changes since v4: >>> - Use static offsets for each region in the VFIO device fd >>> - Include patch in the series for the ARM SMMU to expose IOMMU_EXEC >>> availability via IOMMU_CAP_DMA_EXEC >>> - Rebased on VFIO multi domain support: >>> - IOMMU_EXEC is now available if at least one IOMMU in the container >>> supports it >>> - Expose IOMMU_EXEC if available via the capability VFIO_IOMMU_PROT_EXEC >>> - Some bug fixes >>> Changes since v3: >>> - Use Kim Phillips' driver_probe_device() >>> Changes since v2: >>> - Fixed Read/Write and MMAP on device regions >>> - Removed dependency on Device Tree >>> - Interrupts support >>> - Interrupt masking/unmasking >>> - Automask level sensitive interrupts >>> - Introduced VFIO_DMA_MAP_FLAG_EXEC >>> - Code clean ups >>> >>> Antonios Motakis (20): >>> vfio/platform: initial skeleton of VFIO support for platform devices >>> vfio: platform: probe to devices on the platform bus >>> vfio: platform: add the VFIO PLATFORM module to Kconfig >>> vfio: amba: VFIO support for AMBA devices >>> vfio: amba: add the VFIO for AMBA devices module to Kconfig >>> vfio/platform: return info for bound device >>> vfio/platform: return info for device memory mapped IO regions >>> vfio/platform: read and write support for the device fd >>> vfio/platform: support MMAP of MMIO regions >>> vfio/platform: return IRQ info >>> vfio/platform: initial interrupts support code >>> vfio/platform: trigger an interrupt via eventfd >>> vfio/platform: support for level sensitive interrupts >>> vfio: add a vfio_ prefix to virqfd_enable and virqfd_disable and >>> export >>> vfio: virqfd: rename vfio_pci_virqfd_init and vfio_pci_virqfd_exit >>> vfio: add local lock for virqfd instead of depending on VFIO PCI >>> vfio: pass an opaque pointer on virqfd initialization >>> vfio: move eventfd support code for VFIO_PCI to a separate file >>> vfio: initialize the virqfd workqueue in VFIO generic code >>> vfio/platform: implement IRQ masking/unmasking via an eventfd >>> >>> drivers/vfio/Kconfig | 1 + >>> drivers/vfio/Makefile | 5 +- >>> drivers/vfio/pci/vfio_pci.c | 8 - >>> drivers/vfio/pci/vfio_pci_intrs.c | 238 +----------- >>> drivers/vfio/pci/vfio_pci_private.h | 3 - >>> drivers/vfio/platform/Kconfig | 19 + >>> drivers/vfio/platform/Makefile | 8 + >>> drivers/vfio/platform/vfio_amba.c | 110 ++++++ >>> drivers/vfio/platform/vfio_platform.c | 103 +++++ >>> drivers/vfio/platform/vfio_platform_common.c | 520 ++++++++++++++++++++++++++ >>> drivers/vfio/platform/vfio_platform_irq.c | 331 ++++++++++++++++ >>> drivers/vfio/platform/vfio_platform_private.h | 82 ++++ >>> drivers/vfio/vfio.c | 8 + >>> drivers/vfio/virqfd.c | 213 +++++++++++ >>> include/linux/vfio.h | 27 ++ >>> include/uapi/linux/vfio.h | 2 + >>> 16 files changed, 1442 insertions(+), 236 deletions(-) >>> create mode 100644 drivers/vfio/platform/Kconfig >>> create mode 100644 drivers/vfio/platform/Makefile >>> create mode 100644 drivers/vfio/platform/vfio_amba.c >>> create mode 100644 drivers/vfio/platform/vfio_platform.c >>> create mode 100644 drivers/vfio/platform/vfio_platform_common.c >>> create mode 100644 drivers/vfio/platform/vfio_platform_irq.c >>> create mode 100644 drivers/vfio/platform/vfio_platform_private.h >>> create mode 100644 drivers/vfio/virqfd.c >>> >> _______________________________________________ kvmarm mailing list kvmarm@xxxxxxxxxxxxxxxxxxxxx https://lists.cs.columbia.edu/mailman/listinfo/kvmarm
