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Date: Thu, 12 Oct 2017 17:03:36 -0700 From: Sohil Mehta <sohil.mehta@...el.com> To: Joerg Roedel <joro@...tes.org>, David Woodhouse <dwmw2@...radead.org>, Ashok Raj <ashok.raj@...el.com> Cc: iommu@...ts.linux-foundation.org, linux-kernel@...r.kernel.org, Jacob Pan <jacob.jun.pan@...ux.intel.com>, Gayatri Kammela <gayatri.kammela@...el.com>, Sohil Mehta <sohil.mehta@...el.com>, Ravi V Shankar <ravi.v.shankar@...el.com> Subject: [PATCH 0/6] 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 creating a new Kconfig option - INTEL_IOMMU_DEBUG. It also reorganizes some Intel IOMMU data structures. The next five patches add debugfs support for IOMMU context internals, extended context, register contents, PASID internals, and Interrupt remapping in that order. The information can be accessed in sysfs at '/sys/kernel/debug/intel_iommu/'. Regards, Sohil Gayatri Kammela (5): iommu/vt-d: Add debugfs support for Intel IOMMU internals iommu/vt-d: Add Intel IOMMU debugfs to show context internals iommu/vt-d: Add Intel IOMMU debugfs to show extended context internals iommu/vt-d: Add debugfs extension to show register contents iommu/vt-d: Add debugfs extension to show Pasid table contents Sohil Mehta (1): iommu/vt-d: Debugfs support for Intel IOMMU Interrupt remapping drivers/iommu/Kconfig | 10 + drivers/iommu/Makefile | 1 + drivers/iommu/intel-iommu-debug.c | 429 ++++++++++++++++++++++++++++++++++++++ drivers/iommu/intel-iommu.c | 35 +--- drivers/iommu/intel-svm.c | 8 - include/linux/intel-iommu.h | 32 +++ include/linux/intel-svm.h | 10 +- 7 files changed, 488 insertions(+), 37 deletions(-) create mode 100644 drivers/iommu/intel-iommu-debug.c -- 2.7.4
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