linux-kernel - [PATCH 0/2] Base enablement of IOMMU debugfs support

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Message-ID: <152236384612.3266.1451709369164076985.stgit@taos>
Date:   Thu, 29 Mar 2018 17:54:33 -0500
From:   Gary R Hook <gary.hook@....com>
To:     iommu@...ts.linux-foundation.org
Cc:     joro@...tes.org, jacob.jun.pan@...ux.intel.com,
        linux-kernel@...r.kernel.org
Subject: [PATCH 0/2] Base enablement of IOMMU debugfs support

These patches create a top-level function to create a debugfs directory
for the IOMMU, under which drivers may create and populate-specific
directories for their device internals.

Patch 1: general IOMMU enablement
Patch 2: basic AMD enablement to demonstrate linkage with patch 1

Introduce a new Kconfig parameter IOMMU_DEBUG to globally allow or
disallow debugfs code to be built.

---

Gary R Hook (2):
      iommu - Enable debugfs exposure of the IOMMU
      iommu/amd: Add basic debugfs infrastructure for AMD IOMMU


 drivers/iommu/Kconfig             |    9 +++++++
 drivers/iommu/Makefile            |    2 ++
 drivers/iommu/amd_iommu_debugfs.c |   47 +++++++++++++++++++++++++++++++++++++
 drivers/iommu/amd_iommu_init.c    |    7 ++++--
 drivers/iommu/amd_iommu_proto.h   |    6 +++++
 drivers/iommu/amd_iommu_types.h   |    3 ++
 drivers/iommu/iommu-debugfs.c     |   32 +++++++++++++++++++++++++
 include/linux/iommu.h             |    4 +++
 8 files changed, 108 insertions(+), 2 deletions(-)
 create mode 100644 drivers/iommu/amd_iommu_debugfs.c
 create mode 100644 drivers/iommu/iommu-debugfs.c

--