Merge tag 'platform-drivers-x86-v5.19-1' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86

Pull x86 platform driver updates from Hans de Goede:
 "This includes some small changes to kernel/stop_machine.c and arch/x86
  which are deps of the new Intel IFS support.

  Highlights:

   - New drivers:
       - Intel "In Field Scan" (IFS) support
       - Winmate FM07/FM07P buttons
       - Mellanox SN2201 support

   -  AMD PMC driver enhancements

   -  Lots of various other small fixes and hardware-id additions"

* tag 'platform-drivers-x86-v5.19-1' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86: (54 commits)
  platform/x86/intel/ifs: Add CPU_SUP_INTEL dependency
  platform/x86: intel_cht_int33fe: Set driver data
  platform/x86: intel-hid: fix _DSM function index handling
  platform/x86: toshiba_acpi: use kobj_to_dev()
  platform/x86: samsung-laptop: use kobj_to_dev()
  platform/x86: gigabyte-wmi: Add support for Z490 AORUS ELITE AC and X570 AORUS ELITE WIFI
  tools/power/x86/intel-speed-select: Fix warning for perf_cap.cpu
  tools/power/x86/intel-speed-select: Display error on turbo mode disabled
  Documentation: In-Field Scan
  platform/x86/intel/ifs: add ABI documentation for IFS
  trace: platform/x86/intel/ifs: Add trace point to track Intel IFS operations
  platform/x86/intel/ifs: Add IFS sysfs interface
  platform/x86/intel/ifs: Add scan test support
  platform/x86/intel/ifs: Authenticate and copy to secured memory
  platform/x86/intel/ifs: Check IFS Image sanity
  platform/x86/intel/ifs: Read IFS firmware image
  platform/x86/intel/ifs: Add stub driver for In-Field Scan
  stop_machine: Add stop_core_cpuslocked() for per-core operations
  x86/msr-index: Define INTEGRITY_CAPABILITIES MSR
  x86/microcode/intel: Expose collect_cpu_info_early() for IFS
  ...

4 files changed, 78 insertions, 0 deletions

diff --git a/Documentation/ABI/stable/sysfs-driver-mlxreg-io b/Documentation/ABI/stable/sysfs-driver-mlxreg-io
index 12c3f895cd2f..b312242d4f40 100644
--- a/Documentation/ABI/stable/sysfs-driver-mlxreg-io
+++ b/Documentation/ABI/stable/sysfs-driver-mlxreg-io
@@ -467,3 +467,39 @@ Description:	These files provide the maximum powered required for line card
 		feeding and line card configuration Id.
 
 		The files are read only.
+
+What:		/sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/phy_reset
+Date:		May 2022
+KernelVersion:	5.19
+Contact:	Vadim Pasternak <vadimpmellanox.com>
+Description:	This file allows to reset PHY 88E1548 when attribute is set 0
+		due to some abnormal PHY behavior.
+		Expected behavior:
+		When phy_reset is written 1, all PHY 88E1548 are released
+		from the reset state, when 0 - are hold in reset state.
+
+		The files are read/write.
+
+What:		/sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/mac_reset
+Date:		May 2022
+KernelVersion:	5.19
+Contact:	Vadim Pasternak <vadimpmellanox.com>
+Description:	This file allows to reset ASIC MT52132 when attribute is set 0
+		due to some abnormal ASIC behavior.
+		Expected behavior:
+		When mac_reset is written 1, the ASIC MT52132 is released
+		from the reset state, when 0 - is hold in reset state.
+
+		The files are read/write.
+
+What:		/sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/qsfp_pwr_good
+Date:		May 2022
+KernelVersion:	5.19
+Contact:	Vadim Pasternak <vadimpmellanox.com>
+Description:	This file shows QSFP ports power status. The value is set to 0
+		when one of any QSFP ports is plugged. The value is set to 1 when
+		there are no any QSFP ports are plugged.
+		The possible values are:
+		0 - Power good, 1 - Not power good.
+
+		The files are read only.
diff --git a/Documentation/ABI/testing/sysfs-platform-intel-ifs b/Documentation/ABI/testing/sysfs-platform-intel-ifs
new file mode 100644
index 000000000000..486d6d2ff8a0
--- /dev/null
+++ b/Documentation/ABI/testing/sysfs-platform-intel-ifs
@@ -0,0 +1,39 @@
+What:		/sys/devices/virtual/misc/intel_ifs_<N>/run_test
+Date:		April 21 2022
+KernelVersion:	5.19
+Contact:	"Jithu Joseph" <jithu.joseph@intel.com>
+Description:	Write <cpu#> to trigger IFS test for one online core.
+		Note that the test is per core. The cpu# can be
+		for any thread on the core. Running on one thread
+		completes the test for the core containing that thread.
+		Example: to test the core containing cpu5: echo 5 >
+		/sys/devices/platform/intel_ifs.<N>/run_test
+
+What:		/sys/devices/virtual/misc/intel_ifs_<N>/status
+Date:		April 21 2022
+KernelVersion:	5.19
+Contact:	"Jithu Joseph" <jithu.joseph@intel.com>
+Description:	The status of the last test. It can be one of "pass", "fail"
+		or "untested".
+
+What:		/sys/devices/virtual/misc/intel_ifs_<N>/details
+Date:		April 21 2022
+KernelVersion:	5.19
+Contact:	"Jithu Joseph" <jithu.joseph@intel.com>
+Description:	Additional information regarding the last test. The details file reports
+		the hex value of the SCAN_STATUS MSR. Note that the error_code field
+		may contain driver defined software code not defined in the Intel SDM.
+
+What:		/sys/devices/virtual/misc/intel_ifs_<N>/image_version
+Date:		April 21 2022
+KernelVersion:	5.19
+Contact:	"Jithu Joseph" <jithu.joseph@intel.com>
+Description:	Version (hexadecimal) of loaded IFS binary image. If no scan image
+		is loaded reports "none".
+
+What:		/sys/devices/virtual/misc/intel_ifs_<N>/reload
+Date:		April 21 2022
+KernelVersion:	5.19
+Contact:	"Jithu Joseph" <jithu.joseph@intel.com>
+Description:	Write "1" (or "y" or "Y") to reload the IFS image from
+		/lib/firmware/intel/ifs/ff-mm-ss.scan.
diff --git a/Documentation/x86/ifs.rst b/Documentation/x86/ifs.rst
new file mode 100644
index 000000000000..97abb696a680
--- /dev/null
+++ b/Documentation/x86/ifs.rst
@@ -0,0 +1,2 @@
+.. SPDX-License-Identifier: GPL-2.0
+.. kernel-doc:: drivers/platform/x86/intel/ifs/ifs.h
diff --git a/Documentation/x86/index.rst b/Documentation/x86/index.rst
index 51982dee6c2a..ba4f90e3819d 100644
--- a/Documentation/x86/index.rst
+++ b/Documentation/x86/index.rst
@@ -36,6 +36,7 @@ x86-specific Documentation
    usb-legacy-support
    i386/index
    x86_64/index
+   ifs
    sva
    sgx
    features