Re: [PATCH v4 4/4] arm64: dts: marvell: add SMMU support

Tomasz Nowicki writes: > From: Marcin Wojtas > > Add IOMMU node for Marvell AP806 based SoCs together with platform > and PCI device Stream ID mapping. > > Signed-off-by: Marcin Wojtas > Signed-off-by: Tomasz Nowicki Applied on mvebu/dt64 Thanks, Gregory > --- > arch/arm64/boot/dts/marvell

Re: [PATCH v4 0/4] Add system mmu support for Armada-806

Hello, > czw., 16 lip 2020 o 14:02 Will Deacon napisał(a): >> >> On Thu, Jul 16, 2020 at 01:00:43PM +0100, Will Deacon wrote: >> > On Wed, 15 Jul 2020 09:06:45 +0200, Tomasz Nowicki wrote: >> > > The series is meant to support SMMU for AP806 and a workaround >> > > for accessing ARM SMMU 64bit re

[PATCH v11 5/5] iommu/arm-smmu: Add global/context fault implementation hooks

Add global/context fault hooks to allow vendor specific implementations override default fault interrupt handlers. Update NVIDIA implementation to override the default global/context fault interrupt handlers and handle interrupts across the two ARM MMU-500s that are programmed identically. Review

[PATCH v11 4/5] dt-bindings: arm-smmu: add binding for Tegra194 SMMU

Add binding for NVIDIA's Tegra194 SoC SMMU. Reviewed-by: Jon Hunter Reviewed-by: Rob Herring Reviewed-by: Robin Murphy Signed-off-by: Krishna Reddy --- .../devicetree/bindings/iommu/arm,smmu.yaml | 25 ++- 1 file changed, 24 insertions(+), 1 deletion(-) diff --git a/Documen

[PATCH v11 2/5] iommu/arm-smmu: ioremap smmu mmio region before implementation init

ioremap smmu mmio region before calling into implementation init. This is necessary to allow mapped address available during vendor specific implementation init. Reviewed-by: Jon Hunter Reviewed-by: Nicolin Chen Reviewed-by: Pritesh Raithatha Reviewed-by: Robin Murphy Reviewed-by: Thierry Redi

[PATCH v11 0/5] NVIDIA ARM SMMU Implementation

Changes in v11: Addressed Rob comment on DT binding patch to set min/maxItems of reg property in else part. Rebased on top of https://git.kernel.org/pub/scm/linux/kernel/git/will/linux.git/log/?h=for-joerg/arm-smmu/updates. Changes in v10: Perform SMMU base ioremap before calling implementation

[PATCH v11 1/5] iommu/arm-smmu: move TLB timeout and spin count macros

Move TLB timeout and spin count macros to header file to allow using the same from vendor specific implementations. Reviewed-by: Jon Hunter Reviewed-by: Nicolin Chen Reviewed-by: Pritesh Raithatha Reviewed-by: Robin Murphy Reviewed-by: Thierry Reding Signed-off-by: Krishna Reddy --- drivers

[PATCH v11 3/5] iommu/arm-smmu: add NVIDIA implementation for ARM MMU-500 usage

NVIDIA's Tegra194 SoC has three ARM MMU-500 instances. It uses two of the ARM MMU-500s together to interleave IOVA accesses across them and must be programmed identically. This implementation supports programming the two ARM MMU-500s that must be programmed identically. The third ARM MMU-500 insta

Re: [PATCH 3/5] dma-mapping: make support for dma ops optional

On Wed, Jul 08, 2020 at 05:24:47PM +0200, Christoph Hellwig wrote: > Avoid the overhead of the dma ops support for tiny builds that only > use the direct mapping. > > Signed-off-by: Christoph Hellwig For ppc:pmac32_defconfig and other configurations, this patch results in: Error log: drivers/ma

Re: [PATCH v5 14/15] vfio: Document dual stage control

Hi Yi, On 7/12/20 1:21 PM, Liu Yi L wrote: > From: Eric Auger > > The VFIO API was enhanced to support nested stage control: a bunch of > new iotcls and usage guideline. ioctls > > Let's document the process to follow to set up nested mode. > > Cc: Kevin Tian > CC: Jacob Pan > Cc: Alex Willi