2 Commits

Author	SHA1	Message	Date
Gayatri Kammela	6825d3ea6c	iommu/vt-d: Add debugfs support to show register contents ... Add Intel IOMMU debugfs extension to dump all the register contents for each IOMMU device. Example: root@OTC-KBLH-01:~# cat /sys/kernel/debug/iommu/intel/iommu_regset IOMMU: dmar0 Register Base Address: fed90000 Name Offset Contents VER 0x00 0x0000000000000010 CAP 0x08 0x01c0000c40660462 ECAP 0x10 0x0000000000f0101a GCMD 0x18 0x0000000000000000 GSTS 0x1c 0x00000000c7000000 RTADDR 0x20 0x00000004071d3800 CCMD 0x28 0x0800000000000000 FSTS 0x34 0x0000000000000000 FECTL 0x38 0x0000000000000000 FEDATA 0x3c 0xfee0100400004021 Cc: Lu Baolu <baolu.lu@linux.intel.com> Cc: Fenghua Yu <fenghua.yu@intel.com> Cc: Jacob Pan <jacob.jun.pan@linux.intel.com> Cc: Ashok Raj <ashok.raj@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> Co-Developed-by: Sohil Mehta <sohil.mehta@intel.com> Signed-off-by: Sohil Mehta <sohil.mehta@intel.com> Signed-off-by: Joerg Roedel <jroedel@suse.de>	2018-09-25 14:33:44 +02:00
Sohil Mehta	ee2636b867	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>	2018-09-25 14:33:43 +02:00