Commit e2c874f9 authored by Linus Torvalds's avatar Linus Torvalds
Browse files

Merge tag 'platform-drivers-x86-v6.6-1' of... 

Merge tag 'platform-drivers-x86-v6.6-1' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86

Pull x86 platform driver updates from Hans de Goede:

 - hp-bioscfg: New firmware-attributes driver for changing BIOS settings
   from within Linux

 - asus-wmi: Add charger mode, middle fan and eGPU settings support

 - ideapad: Support keyboard backlight control on more models

 - mellanox: Support for new models

 - sel-3350: New LED and power-supply driver for this industrial
   mainboard

 - simatic-ipc: Add RTC battery monitor and various new models support

 - miscellaneous other cleanups / fixes

* tag 'platform-drivers-x86-v6.6-1' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86: (101 commits)
  platform/x86: asus-wmi: corrections to egpu safety check
  platform/x86: mlx-platform: Add dependency on PCI to Kconfig
  platform/x86: ideapad-laptop: Add support for keyboard backlights using KBLC ACPI symbol
  platform/x86/amd/pmc: Fix build error with randconfig
  platform/x86/amd/pmf: Fix a missing cleanup path
  watchdog: simatic: Use idiomatic selection of P2SB
  platform/x86: p2sb: Make the Kconfig symbol hidden
  Documentation/ABI: Add new attribute for mlxreg-io sysfs interfaces
  platform: mellanox: nvsw-sn2201: change fans i2c busses.
  platform: mellanox: mlxreg-hotplug: Extend condition for notification callback processing
  platform: mellanox: Add initial support for PCIe based programming logic device
  platform: mellanox: mlx-platform: Get interrupt line through ACPI
  platform: mellanox: mlx-platform: Introduce ACPI init flow
  platform: mellanox: mlx-platform: Prepare driver to allow probing through ACPI infrastructure
  platform: mellanox: mlx-platform: Add reset callback
  platform: mellanox: Cosmetic changes
  platform: mellanox: mlx-platform: Modify power off callback
  platform: mellanox: mlx-platform: add support for additional CPLD
  platform: mellanox: mlx-platform: Add reset cause attribute
  platform: mellanox: mlx-platform: Modify health and power hotplug action
  ...
parents e0152e74 acce85a7

Documentation/ABI/stable/sysfs-driver-mlxreg-io

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Original line number Diff line number Diff line
@@ -662,3 +662,56 @@ Description: This file shows the system reset cause due to AC power failure. 
		Value 1 in file means this is reset cause, 0 - otherwise.



		The file is read only.



What:		/sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/cpld5_pn

What:		/sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/cpld5_version

What:		/sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/cpld5_version_min

Date:		August 2023

KernelVersion:	6.6

Contact:	Vadim Pasternak <vadimp@nvidia.com>

Description:	These files show with which CPLD part numbers, version and minor

		versions have been burned the 5-th CPLD device equipped on a

		system.



		The files are read only.



What:		/sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/jtag_cap

Date:		August 2023

KernelVersion:	6.6

Contact:	Vadim Pasternak <vadimp@nvidia.com>

Description:	This file indicates the available method of CPLD/FPGA devices

		field update through the JTAG chain:



		b00 - field update through LPC bus register memory space.

		b01 - Reserved.

		b10 - Reserved.

		b11 - field update through CPU GPIOs bit-banging.



		The file is read only.



What:		/sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/lid_open

Date:		August 2023

KernelVersion:	6.6

Contact:	Vadim Pasternak <vadimp@nvidia.com>

Description:	1 - indicates that system lid is opened, otherwise 0.



		The file is read only.



What:		/sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/reset_long_pwr_pb

Date:		August 2023

KernelVersion:	6.6

Contact:	Vadim Pasternak <vadimp@nvidia.com>

Description:	This file if set 1 indicates that system has been reset by

		long press of power button.



		The file is read only.



What:		/sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/reset_swb_dc_dc_pwr_fail

Date:		August 2023

KernelVersion:	6.6

Contact:	Vadim Pasternak <vadimp@nvidia.com>

Description:	This file shows 1 in case the system reset happened due to the

		failure of any DC-DC power converter devices equipped on the

		switch board.



		The file is read only.

Documentation/ABI/testing/debugfs-tpmi

0 → 100644
+31 −0
Original line number Diff line number Diff line 
What:		/sys/kernel/debug/tpmi-<n>/pfs_dump

Date:		November 2023

KernelVersion:	6.6

Contact:	srinivas.pandruvada@linux.intel.com

Description:

The PFS (PM Feature Structure) table, shows details of each power

management feature. This includes:

tpmi_id, number of entries, entry size, offset, vsec offset, lock status

and disabled status.

Users:		Debugging, any user space test suite



What:		/sys/kernel/debug/tpmi-<n>/tpmi-id-<n>/mem_dump

Date:		November 2023

KernelVersion:	6.6

Contact:	srinivas.pandruvada@linux.intel.com

Description:

Shows the memory dump of the MMIO region for a TPMI ID.

Users:		Debugging, any user space test suite



What:		/sys/kernel/debug/tpmi-<n>/tpmi-id-<n>/mem_write

Date:		November 2023

KernelVersion:	6.6

Contact:	srinivas.pandruvada@linux.intel.com

Description:

Allows to write at any offset. It doesn't check for Read/Write access

as hardware will not allow to write at read-only memory. This write is

at offset multiples of 4. The format is instance,offset,contents.

Example:

echo 0,0x20,0xff > mem_write

echo 1,64,64 > mem_write

Users:		Debugging, any user space test suite

Documentation/ABI/testing/sysfs-class-firmware-attributes

+99 −2
Original line number Diff line number Diff line
@@ -22,6 +22,11 @@ Description: 
			- integer: a range of numerical values

			- string



		HP specific types

		-----------------

			- ordered-list - a set of ordered list valid values





		All attribute types support the following values:



		current_value:
@@ -126,6 +131,21 @@ Description: 
					value will not be effective through sysfs until this rule is

					met.



		HP specific class extensions

		------------------------------



		On HP systems the following additional attributes are available:



		"ordered-list"-type specific properties:



		elements:

					A file that can be read to obtain the possible

					list of values of the <attr>. Values are separated using

					semi-colon (``;``) and listed according to their priority.

					An element listed first has the highest priority. Writing

					the list in a different order to current_value alters

					the priority order for the particular attribute.



What:		/sys/class/firmware-attributes/*/authentication/

Date:		February 2021

KernelVersion:	5.11
@@ -206,7 +226,7 @@ Description: 
		Drivers may emit a CHANGE uevent when a password is set or unset

		userspace may check it again.



		On Dell and Lenovo systems, if Admin password is set, then all BIOS attributes

		On Dell, Lenovo and HP systems, if Admin password is set, then all BIOS attributes

		require password validation.

		On Lenovo systems if you change the Admin password the new password is not active until

		the next boot.
@@ -296,6 +316,15 @@ Description: 
						echo "signature" > authentication/Admin/signature

						echo "password" > authentication/Admin/certificate_to_password



		HP specific class extensions

		--------------------------------



		On HP systems the following additional settings are available:



		role: enhanced-bios-auth:

					This role is specific to Secure Platform Management (SPM) attribute.

					It requires configuring an endorsement (kek) and signing certificate (sk).





What:		/sys/class/firmware-attributes/*/attributes/pending_reboot

Date:		February 2021
@@ -364,3 +393,71 @@ Description: 
		use it to enable extra debug attributes or BIOS features for testing purposes.



		Note that any changes to this attribute requires a reboot for changes to take effect.





		HP specific class extensions - Secure Platform Manager (SPM)

		--------------------------------



What:		/sys/class/firmware-attributes/*/authentication/SPM/kek

Date:		March 2023

KernelVersion:	5.18

Contact:	"Jorge Lopez" <jorge.lopez2@hp.com>

Description:

		'kek' Key-Encryption-Key is a write-only file that can be used to configure the

		RSA public key that will be used by the BIOS to verify

		signatures when setting the signing key.  When written,

		the bytes should correspond to the KEK certificate

		(x509 .DER format containing an OU).  The size of the

		certificate must be less than or equal to 4095 bytes.



What:		/sys/class/firmware-attributes/*/authentication/SPM/sk

Date:		March 2023

KernelVersion:	5.18

Contact:	"Jorge Lopez" <jorge.lopez2@hp.com>

Description:

		'sk' Signature Key is a write-only file that can be used to configure the RSA

		public key that will be used by the BIOS to verify signatures

		when configuring BIOS settings and security features.  When

		written, the bytes should correspond to the modulus of the

		public key.  The exponent is assumed to be 0x10001.



What:		/sys/class/firmware-attributes/*/authentication/SPM/status

Date:		March 2023

KernelVersion:	5.18

Contact:	"Jorge Lopez" <jorge.lopez2@hp.com>

Description:

		'status' is a read-only file that returns ASCII text in JSON format reporting

		the status information.



		  "State": "not provisioned | provisioned | provisioning in progress",

		  "Version": "Major.Minor",

		  "Nonce": <16-bit unsigned number display in base 10>,

		  "FeaturesInUse": <16-bit unsigned number display in base 10>,

		  "EndorsementKeyMod": "<256 bytes in base64>",

		  "SigningKeyMod": "<256 bytes in base64>"



What:		/sys/class/firmware-attributes/*/attributes/Sure_Start/audit_log_entries

Date:		March 2023

KernelVersion:	5.18

Contact:	"Jorge Lopez" <jorge.lopez2@hp.com>

Description:

		'audit_log_entries' is a read-only file that returns the events in the log.



			Audit log entry format



			Byte 0-15:   Requested Audit Log entry  (Each Audit log is 16 bytes)

			Byte 16-127: Unused



What:		/sys/class/firmware-attributes/*/attributes/Sure_Start/audit_log_entry_count

Date:		March 2023

KernelVersion:	5.18

Contact:	"Jorge Lopez" <jorge.lopez2@hp.com>

Description:

		'audit_log_entry_count' is a read-only file that returns the number of existing

		audit log events available to be read. Values are separated using comma. (``,``)



			[No of entries],[log entry size],[Max number of entries supported]



		log entry size identifies audit log size for the current BIOS version.

		The current size is 16 bytes but it can be up to 128 bytes long in future BIOS

		versions.

Documentation/ABI/testing/sysfs-platform-asus-wmi

+88 −0
Original line number Diff line number Diff line
@@ -98,3 +98,91 @@ Description: 
		Enable an LCD response-time boost to reduce or remove ghosting:

			* 0 - Disable,

			* 1 - Enable



What:		/sys/devices/platform/<platform>/charge_mode

Date:		Jun 2023

KernelVersion:	6.5

Contact:	"Luke Jones" <luke@ljones.dev>

Description:

		Get the current charging mode being used:

			* 1 - Barrel connected charger,

			* 2 - USB-C charging

			* 3 - Both connected, barrel used for charging



What:		/sys/devices/platform/<platform>/egpu_connected

Date:		Jun 2023

KernelVersion:	6.5

Contact:	"Luke Jones" <luke@ljones.dev>

Description:

		Show if the egpu (XG Mobile) is correctly connected:

			* 0 - False,

			* 1 - True



What:		/sys/devices/platform/<platform>/mini_led_mode

Date:		Jun 2023

KernelVersion:	6.5

Contact:	"Luke Jones" <luke@ljones.dev>

Description:

		Change the mini-LED mode:

			* 0 - Single-zone,

			* 1 - Multi-zone



What:		/sys/devices/platform/<platform>/ppt_pl1_spl

Date:		Jun 2023

KernelVersion:	6.5

Contact:	"Luke Jones" <luke@ljones.dev>

Description:

		Set the Package Power Target total of CPU: PL1 on Intel, SPL on AMD.

		Shown on Intel+Nvidia or AMD+Nvidia based systems:



			* min=5, max=250



What:		/sys/devices/platform/<platform>/ppt_pl2_sppt

Date:		Jun 2023

KernelVersion:	6.5

Contact:	"Luke Jones" <luke@ljones.dev>

Description:

		Set the Slow Package Power Tracking Limit of CPU: PL2 on Intel, SPPT,

		on AMD. Shown on Intel+Nvidia or AMD+Nvidia based systems:



			* min=5, max=250



What:		/sys/devices/platform/<platform>/ppt_fppt

Date:		Jun 2023

KernelVersion:	6.5

Contact:	"Luke Jones" <luke@ljones.dev>

Description:

		Set the Fast Package Power Tracking Limit of CPU. AMD+Nvidia only:

			* min=5, max=250



What:		/sys/devices/platform/<platform>/ppt_apu_sppt

Date:		Jun 2023

KernelVersion:	6.5

Contact:	"Luke Jones" <luke@ljones.dev>

Description:

		Set the APU SPPT limit. Shown on full AMD systems only:

			* min=5, max=130



What:		/sys/devices/platform/<platform>/ppt_platform_sppt

Date:		Jun 2023

KernelVersion:	6.5

Contact:	"Luke Jones" <luke@ljones.dev>

Description:

		Set the platform SPPT limit. Shown on full AMD systems only:

			* min=5, max=130



What:		/sys/devices/platform/<platform>/nv_dynamic_boost

Date:		Jun 2023

KernelVersion:	6.5

Contact:	"Luke Jones" <luke@ljones.dev>

Description:

		Set the dynamic boost limit of the Nvidia dGPU:

			* min=5, max=25



What:		/sys/devices/platform/<platform>/nv_temp_target

Date:		Jun 2023

KernelVersion:	6.5

Contact:	"Luke Jones" <luke@ljones.dev>

Description:

		Set the target temperature limit of the Nvidia dGPU:

			* min=75, max=87

Documentation/ABI/testing/sysfs-platform-mellanox-bootctl

+66 −0
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@@ -84,3 +84,69 @@ Description: 
		The file used to write BlueField boot log with the format

                "[INFO|WARN|ERR|ASSERT ]<msg>". Log level 'INFO' is used by

                default if not specified.



What:		/sys/bus/platform/devices/MLNXBF04:00/oob_mac

Date:		August 2023

KernelVersion:	6.5

Contact:	"David Thompson <davthompson@nvidia.com>"

Description:

		The "oob_mac" sysfs attribute holds the MAC address for

                the out-of-band 1Gbps Ethernet port.  This MAC address is

                provided on a board-level label.



What:		/sys/bus/platform/devices/MLNXBF04:00/opn

Date:		August 2023

KernelVersion:	6.5

Contact:	"David Thompson <davthompson@nvidia.com>"

Description:

		The "opn" sysfs attribute holds the board's part number.

                This value is provided on a board-level label.



What:		/sys/bus/platform/devices/MLNXBF04:00/sku

Date:		August 2023

KernelVersion:	6.5

Contact:	"David Thompson <davthompson@nvidia.com>"

Description:

		The "sku" sysfs attribute holds the board's SKU number.

                This value is provided on a board-level label.



What:		/sys/bus/platform/devices/MLNXBF04:00/modl

Date:		August 2023

KernelVersion:	6.5

Contact:	"David Thompson <davthompson@nvidia.com>"

Description:

		The "modl" sysfs attribute holds the board's model number.

                This value is provided on a board-level label.



What:		/sys/bus/platform/devices/MLNXBF04:00/sn

Date:		August 2023

KernelVersion:	6.5

Contact:	"David Thompson <davthompson@nvidia.com>"

Description:

		The "sn" sysfs attribute holds the board's serial number.

                This value is provided on a board-level label.



What:		/sys/bus/platform/devices/MLNXBF04:00/uuid

Date:		August 2023

KernelVersion:	6.5

Contact:	"David Thompson <davthompson@nvidia.com>"

Description:

		The "uuid" sysfs attribute holds the board's UUID.

                This value is provided by the manufacturing team.



What:		/sys/bus/platform/devices/MLNXBF04:00/rev

Date:		August 2023

KernelVersion:	6.5

Contact:	"David Thompson <davthompson@nvidia.com>"

Description:

		The "rev" sysfs attribute holds the board's revision.

                This value is provided on a board-level label.



What:		/sys/bus/platform/devices/MLNXBF04:00/mfg_lock

Date:		August 2023

KernelVersion:	6.5

Contact:	"David Thompson <davthompson@nvidia.com>"

Description:

		The "mfg_lock" sysfs attribute is write-only.

                A successful write to this attribute will latch the

                board-level attributes into EEPROM, making them read-only.