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| author | Sohil Mehta | 2018-09-12 02:11:38 +0200 |
|---|---|---|
| committer | Joerg Roedel | 2018-09-25 14:33:43 +0200 |
| commit | ee2636b8670b1ab2a02a65923a9bef59e9199c37 (patch) | |
| tree | 340b641db7e72cba2cf7c7746f6a1f529aa1a9b5 /drivers/iommu/Kconfig | |
| parent | iommu/vt-d: Update register definitions to VT-d 3.0 specification (diff) | |
| download | kernel-qcow2-linux-ee2636b8670b1ab2a02a65923a9bef59e9199c37.tar.gz kernel-qcow2-linux-ee2636b8670b1ab2a02a65923a9bef59e9199c37.tar.xz kernel-qcow2-linux-ee2636b8670b1ab2a02a65923a9bef59e9199c37.zip | |
iommu/vt-d: Enable base Intel IOMMU debugfs support
Add a new config option CONFIG_INTEL_IOMMU_DEBUGFS and do the base
enabling for Intel IOMMU debugfs.
Cc: Lu Baolu <baolu.lu@linux.intel.com>
Cc: Fenghua Yu <fenghua.yu@intel.com>
Cc: Ashok Raj <ashok.raj@intel.com>
Cc: Jacob Pan <jacob.jun.pan@linux.intel.com>
Co-Developed-by: Gayatri Kammela <gayatri.kammela@intel.com>
Signed-off-by: Gayatri Kammela <gayatri.kammela@intel.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Lu Baolu <baolu.lu@linux.intel.com>
Signed-off-by: Sohil Mehta <sohil.mehta@intel.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>
Diffstat (limited to 'drivers/iommu/Kconfig')
| -rw-r--r-- | drivers/iommu/Kconfig | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/drivers/iommu/Kconfig b/drivers/iommu/Kconfig index c60395b7470f..51ba19c8847b 100644 --- a/drivers/iommu/Kconfig +++ b/drivers/iommu/Kconfig @@ -186,6 +186,19 @@ config INTEL_IOMMU and include PCI device scope covered by these DMA remapping devices. +config INTEL_IOMMU_DEBUGFS + bool "Export Intel IOMMU internals in Debugfs" + depends on INTEL_IOMMU && IOMMU_DEBUGFS + help + !!!WARNING!!! + + DO NOT ENABLE THIS OPTION UNLESS YOU REALLY KNOW WHAT YOU ARE DOING!!! + + Expose Intel IOMMU internals in Debugfs. + + This option is -NOT- intended for production environments, and should + only be enabled for debugging Intel IOMMU. + config INTEL_IOMMU_SVM bool "Support for Shared Virtual Memory with Intel IOMMU" depends on INTEL_IOMMU && X86 |