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Filename Latest commit message Latest commit 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
arch iommu/vt-d: Relocate struct/function declarations to its header files 2018-09-25 14:33:43 +02:00
block block: use nanosecond resolution for iostat 2018-09-21 20:26:59 -06:00
certs
crypto
Documentation This pull request is slightly bigger than usual at this stage, but 2018-09-21 16:21:42 +02:00
drivers iommu/vt-d: Add debugfs support to show register contents 2018-09-25 14:33:44 +02:00
firmware
fs This pull request contains fixes for UBIFS: 2018-09-21 15:29:44 +02:00
include iommu/vt-d: Enable base Intel IOMMU debugfs support 2018-09-25 14:33:43 +02:00
init Kbuild updates for v4.19 (2nd) 2018-08-25 13:40:38 -07:00
ipc ipc/shm: properly return EIDRM in shm_lock() 2018-09-04 16:45:02 -07:00
kernel kernel/sys.c: remove duplicated include 2018-09-20 22:01:11 +02:00
lib lib/Kconfig.debug: fix three typos in help text 2018-09-04 16:45:02 -07:00
LICENSES
mm mm: slowly shrink slabs with a relatively small number of objects 2018-09-20 22:01:11 +02:00
net net/ipv6: do not copy dst flags on rt init 2018-09-17 19:42:14 -07:00
samples
scripts linux-kselftest-4.19-rc5 2018-09-17 07:24:28 +02:00
security Revert "x86/mm/legacy: Populate the user page-table with user pgd's" 2018-09-14 17:08:45 +02:00
sound ASoC: Fixes for v4.19 2018-09-17 18:59:21 +02:00
tools Merge branch 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2018-09-23 08:09:16 +02:00
usr
virt KVM: Remove obsolete kvm_unmap_hva notifier backend 2018-09-07 15:06:02 +02:00
.clang-format
.cocciconfig
.get_maintainer.ignore
.gitattributes
.gitignore
.mailmap libnvdimm-for-4.19_misc 2018-08-25 18:13:10 -07:00
COPYING
CREDITS
Kbuild
Kconfig
MAINTAINERS Merge branch 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2018-09-23 08:10:12 +02:00
Makefile Linux 4.19-rc5 2018-09-23 19:15:18 +02:00
README

Linux kernel
============

There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.

In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``.  The formatted documentation can also be read online at:

    https://www.kernel.org/doc/html/latest/

There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
See Documentation/00-INDEX for a list of what is contained in each file.

Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.