[PATCH v7 3/5] iommu/vt-d: Add debugfs support to show register contents

From: Gayatri Kammela Debugfs extension to dump all the register contents for each IOMMU device to the user space via debugfs. Example: root@OTC-KBLH-01:~# cat /sys/kernel/debug/intel_iommu/iommu_regset DMAR: dmar0: Register Base Address fed9 Name

[PATCH v7 4/5] iommu/vt-d: Add debugfs support to show Pasid table contents

From: Gayatri Kammela Debugfs extension to dump the internals such as pasid table entries for each IOMMU to the userspace. Example of such dump in Kabylake: root@OTC-KBLH-01:~# cat /sys/kernel/debug/intel_iommu/dmar_translation_struct IOMMU dmar1: Extended Root Table

[PATCH v7 2/5] iommu/vt-d: Enable debugfs support to show context internals

From: Gayatri Kammela Add a new config option CONFIG_INTEL_IOMMU_DEBUG and export Intel IOMMU internals states, such as root and context in debugfs to the userspace. Example of such dump in Kabylake: root@OTC-KBLH-01:~# cat

[PATCH v7 5/5] iommu/vt-d: Add debugfs support for Interrupt remapping

Debugfs extension for Intel IOMMU to dump Interrupt remapping table entries for Interrupt remapping and Interrupt posting. The file /sys/kernel/debug/intel_iommu/ir_translation_struct provides detailed information, such as Index, Source Id, Destination Id, Vector and the IRTE values for entries

[PATCH v7 1/5] iommu/vt-d: Relocate struct/function declarations to its header files

From: Gayatri Kammela To reuse the static functions and the struct declarations, move them to corresponding header files and export the needed functions. Cc: Sohil Mehta Cc: Fenghua Yu Cc: Ashok Raj

[PATCH v7 0/5] Add Intel IOMMU debugfs support

Hi All, This series aims to add debugfs support for Intel IOMMU. It exposes IOMMU registers, internal context and dumps individual table entries to help debug Intel IOMMUs. The first patch does the ground work for the following patches by reorganizing some Intel IOMMU data structures. The

Re: [PATCH 1/2] iommu: Fix iommu_unmap and iommu_unmap_fast return type

Hi Suravee, I love your patch! Perhaps something to improve: [auto build test WARNING on iommu/next] [also build test WARNING on v4.15 next-20180202] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system] url: https://github.com/0day-ci/linux

Re: [PATCH 1/2] iommu: Fix iommu_unmap and iommu_unmap_fast return type

Hi Suravee, I love your patch! Yet something to improve: [auto build test ERROR on iommu/next] [also build test ERROR on v4.15 next-20180202] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system] url: https://github.com/0day-ci/linux/commits

Re: [PATCH] iommu/vt-d: add NUMA awareness to intel_alloc_coherent()

On Fri, Feb 2, 2018 at 10:53 AM, Christoph Hellwig wrote: > I've got patches pending to replace all that code with > dma_direct_alloc, which will do the right thing. They were > submitted for 4.16, and I will resend them after -rc1. I see, thanks Christoph !

Re: [PATCH 1/2] iommu: Fix iommu_unmap and iommu_unmap_fast return type

Hi Suravee, I love your patch! Yet something to improve: [auto build test ERROR on iommu/next] [also build test ERROR on v4.15 next-20180202] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system] url: https://github.com/0day-ci/linux/commits

Re: [PATCH] iommu/vt-d: add NUMA awareness to intel_alloc_coherent()

I've got patches pending to replace all that code with dma_direct_alloc, which will do the right thing. They were submitted for 4.16, and I will resend them after -rc1. ___ iommu mailing list iommu@lists.linux-foundation.org

Re: [PATCH 22/34] dma-mapping: add an arch_dma_supported hook

On 01/12/2018 12:42 AM, Christoph Hellwig wrote: > To implement the x86 forbid_dac and iommu_sac_force we want an arch hook > so that it can apply the global options across all dma_map_ops > implementations. > > Signed-off-by: Christoph Hellwig > --- >

Re: [PATCH v6 4/6] iommu/arm-smmu: Add the device_link between masters and smmu

Hi Robin, On 2/2/2018 5:01 PM, Robin Murphy wrote: > On 02/02/18 05:40, Sricharan R wrote: >> Hi Robin/Vivek, >> >> On 2/1/2018 2:23 PM, Vivek Gautam wrote: >>> Hi, >>> >>> >>> On 1/31/2018 6:39 PM, Robin Murphy wrote: On 19/01/18 11:43, Vivek Gautam wrote: > From: Sricharan R

Re: [PATCH v6 4/6] iommu/arm-smmu: Add the device_link between masters and smmu

On 02/02/18 05:40, Sricharan R wrote: Hi Robin/Vivek, On 2/1/2018 2:23 PM, Vivek Gautam wrote: Hi, On 1/31/2018 6:39 PM, Robin Murphy wrote: On 19/01/18 11:43, Vivek Gautam wrote: From: Sricharan R Finally add the device link between the master device and smmu,