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-rw-r--r--Documentation/ABI/testing/debugfs-pcie-ptm70
-rw-r--r--Documentation/ABI/testing/sysfs-bus-cxl4
-rw-r--r--Documentation/ABI/testing/sysfs-bus-iio3
-rw-r--r--Documentation/ABI/testing/sysfs-bus-pci-devices-aer (renamed from Documentation/ABI/testing/sysfs-bus-pci-devices-aer_stats)44
-rw-r--r--Documentation/ABI/testing/sysfs-class-led6
-rw-r--r--Documentation/ABI/testing/sysfs-devices-power2
-rw-r--r--Documentation/ABI/testing/sysfs-devices-system-cpu1
-rw-r--r--Documentation/ABI/testing/sysfs-driver-intel-m10-bmc4
-rw-r--r--Documentation/ABI/testing/sysfs-driver-intel-m10-bmc-sec-update14
-rw-r--r--Documentation/ABI/testing/sysfs-driver-intel-xe-hwmon20
-rw-r--r--Documentation/ABI/testing/sysfs-driver-ufs2
-rw-r--r--Documentation/ABI/testing/sysfs-edac-scrub16
12 files changed, 163 insertions, 23 deletions
diff --git a/Documentation/ABI/testing/debugfs-pcie-ptm b/Documentation/ABI/testing/debugfs-pcie-ptm
new file mode 100644
index 000000000000..602d41363571
--- /dev/null
+++ b/Documentation/ABI/testing/debugfs-pcie-ptm
@@ -0,0 +1,70 @@
+What: /sys/kernel/debug/pcie_ptm_*/local_clock
+Date: May 2025
+Contact: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
+Description:
+ (RO) PTM local clock in nanoseconds. Applicable for both Root
+ Complex and Endpoint controllers.
+
+What: /sys/kernel/debug/pcie_ptm_*/master_clock
+Date: May 2025
+Contact: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
+Description:
+ (RO) PTM master clock in nanoseconds. Applicable only for
+ Endpoint controllers.
+
+What: /sys/kernel/debug/pcie_ptm_*/t1
+Date: May 2025
+Contact: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
+Description:
+ (RO) PTM T1 timestamp in nanoseconds. Applicable only for
+ Endpoint controllers.
+
+What: /sys/kernel/debug/pcie_ptm_*/t2
+Date: May 2025
+Contact: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
+Description:
+ (RO) PTM T2 timestamp in nanoseconds. Applicable only for
+ Root Complex controllers.
+
+What: /sys/kernel/debug/pcie_ptm_*/t3
+Date: May 2025
+Contact: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
+Description:
+ (RO) PTM T3 timestamp in nanoseconds. Applicable only for
+ Root Complex controllers.
+
+What: /sys/kernel/debug/pcie_ptm_*/t4
+Date: May 2025
+Contact: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
+Description:
+ (RO) PTM T4 timestamp in nanoseconds. Applicable only for
+ Endpoint controllers.
+
+What: /sys/kernel/debug/pcie_ptm_*/context_update
+Date: May 2025
+Contact: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
+Description:
+ (RW) Control the PTM context update mode. Applicable only for
+ Endpoint controllers.
+
+ Following values are supported:
+
+ * auto = PTM context auto update trigger for every 10ms
+
+ * manual = PTM context manual update. Writing 'manual' to this
+ file triggers PTM context update (default)
+
+What: /sys/kernel/debug/pcie_ptm_*/context_valid
+Date: May 2025
+Contact: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
+Description:
+ (RW) Control the PTM context validity (local clock timing).
+ Applicable only for Root Complex controllers. PTM context is
+ invalidated by hardware if the Root Complex enters low power
+ mode or changes link frequency.
+
+ Following values are supported:
+
+ * 0 = PTM context invalid (default)
+
+ * 1 = PTM context valid
diff --git a/Documentation/ABI/testing/sysfs-bus-cxl b/Documentation/ABI/testing/sysfs-bus-cxl
index 99bb3faf7a0e..6b4e8c7a963d 100644
--- a/Documentation/ABI/testing/sysfs-bus-cxl
+++ b/Documentation/ABI/testing/sysfs-bus-cxl
@@ -242,7 +242,7 @@ Description:
decoding a Host Physical Address range. Note that this number
may be elevated without any regionX objects active or even
enumerated, as this may be due to decoders established by
- platform firwmare or a previous kernel (kexec).
+ platform firmware or a previous kernel (kexec).
What: /sys/bus/cxl/devices/decoderX.Y
@@ -572,7 +572,7 @@ Description:
What: /sys/bus/cxl/devices/regionZ/accessY/read_bandwidth
- /sys/bus/cxl/devices/regionZ/accessY/write_banwidth
+ /sys/bus/cxl/devices/regionZ/accessY/write_bandwidth
Date: Jan, 2024
KernelVersion: v6.9
Contact: linux-cxl@vger.kernel.org
diff --git a/Documentation/ABI/testing/sysfs-bus-iio b/Documentation/ABI/testing/sysfs-bus-iio
index 722aa989baac..190bfcc1e836 100644
--- a/Documentation/ABI/testing/sysfs-bus-iio
+++ b/Documentation/ABI/testing/sysfs-bus-iio
@@ -94,6 +94,7 @@ Description:
What: /sys/bus/iio/devices/iio:deviceX/sampling_frequency
What: /sys/bus/iio/devices/iio:deviceX/in_intensity_sampling_frequency
What: /sys/bus/iio/devices/iio:deviceX/buffer/sampling_frequency
+What: /sys/bus/iio/devices/iio:deviceX/events/sampling_frequency
What: /sys/bus/iio/devices/triggerX/sampling_frequency
KernelVersion: 2.6.35
Contact: linux-iio@vger.kernel.org
@@ -740,7 +741,9 @@ Description:
1kohm_to_gnd: connected to ground via an 1kOhm resistor,
2.5kohm_to_gnd: connected to ground via a 2.5kOhm resistor,
6kohm_to_gnd: connected to ground via a 6kOhm resistor,
+ 7.7kohm_to_gnd: connected to ground via a 7.7kOhm resistor,
20kohm_to_gnd: connected to ground via a 20kOhm resistor,
+ 32kohm_to_gnd: connected to ground via a 32kOhm resistor,
42kohm_to_gnd: connected to ground via a 42kOhm resistor,
90kohm_to_gnd: connected to ground via a 90kOhm resistor,
100kohm_to_gnd: connected to ground via an 100kOhm resistor,
diff --git a/Documentation/ABI/testing/sysfs-bus-pci-devices-aer_stats b/Documentation/ABI/testing/sysfs-bus-pci-devices-aer
index d1f67bb81d5d..5ed284523956 100644
--- a/Documentation/ABI/testing/sysfs-bus-pci-devices-aer_stats
+++ b/Documentation/ABI/testing/sysfs-bus-pci-devices-aer
@@ -117,3 +117,47 @@ Date: July 2018
KernelVersion: 4.19.0
Contact: linux-pci@vger.kernel.org, rajatja@google.com
Description: Total number of ERR_NONFATAL messages reported to rootport.
+
+PCIe AER ratelimits
+-------------------
+
+These attributes show up under all the devices that are AER capable.
+They represent configurable ratelimits of logs per error type.
+
+See Documentation/PCI/pcieaer-howto.rst for more info on ratelimits.
+
+What: /sys/bus/pci/devices/<dev>/aer/correctable_ratelimit_interval_ms
+Date: May 2025
+KernelVersion: 6.16.0
+Contact: linux-pci@vger.kernel.org
+Description: Writing 0 disables AER correctable error log ratelimiting.
+ Writing a positive value sets the ratelimit interval in ms.
+ Default is DEFAULT_RATELIMIT_INTERVAL (5000 ms).
+
+What: /sys/bus/pci/devices/<dev>/aer/correctable_ratelimit_burst
+Date: May 2025
+KernelVersion: 6.16.0
+Contact: linux-pci@vger.kernel.org
+Description: Ratelimit burst for correctable error logs. Writing a value
+ changes the number of errors (burst) allowed per interval
+ before ratelimiting. Reading gets the current ratelimit
+ burst. Default is DEFAULT_RATELIMIT_BURST (10).
+
+What: /sys/bus/pci/devices/<dev>/aer/nonfatal_ratelimit_interval_ms
+Date: May 2025
+KernelVersion: 6.16.0
+Contact: linux-pci@vger.kernel.org
+Description: Writing 0 disables AER non-fatal uncorrectable error log
+ ratelimiting. Writing a positive value sets the ratelimit
+ interval in ms. Default is DEFAULT_RATELIMIT_INTERVAL
+ (5000 ms).
+
+What: /sys/bus/pci/devices/<dev>/aer/nonfatal_ratelimit_burst
+Date: May 2025
+KernelVersion: 6.16.0
+Contact: linux-pci@vger.kernel.org
+Description: Ratelimit burst for non-fatal uncorrectable error logs.
+ Writing a value changes the number of errors (burst)
+ allowed per interval before ratelimiting. Reading gets the
+ current ratelimit burst. Default is DEFAULT_RATELIMIT_BURST
+ (10).
diff --git a/Documentation/ABI/testing/sysfs-class-led b/Documentation/ABI/testing/sysfs-class-led
index 2e24ac3bd7ef..0313b82644f2 100644
--- a/Documentation/ABI/testing/sysfs-class-led
+++ b/Documentation/ABI/testing/sysfs-class-led
@@ -72,6 +72,12 @@ Description:
/sys/class/leds/<led> once a given trigger is selected. For
their documentation see `sysfs-class-led-trigger-*`.
+ Writing "none" removes the trigger for this LED.
+
+ Writing "default" sets the trigger to the LED's default trigger
+ (which would often be configured in the device tree for the
+ hardware).
+
What: /sys/class/leds/<led>/inverted
Date: January 2011
KernelVersion: 2.6.38
diff --git a/Documentation/ABI/testing/sysfs-devices-power b/Documentation/ABI/testing/sysfs-devices-power
index 54195530e97a..d3da88b26a53 100644
--- a/Documentation/ABI/testing/sysfs-devices-power
+++ b/Documentation/ABI/testing/sysfs-devices-power
@@ -56,7 +56,7 @@ Date: January 2009
Contact: Rafael J. Wysocki <rjw@rjwysocki.net>
Description:
The /sys/devices/.../async attribute allows the user space to
- enable or diasble the device's suspend and resume callbacks to
+ enable or disable the device's suspend and resume callbacks to
be executed asynchronously (ie. in separate threads, in parallel
with the main suspend/resume thread) during system-wide power
transitions (eg. suspend to RAM, hibernation).
diff --git a/Documentation/ABI/testing/sysfs-devices-system-cpu b/Documentation/ABI/testing/sysfs-devices-system-cpu
index bf85f4de6862..ab8cd337f43a 100644
--- a/Documentation/ABI/testing/sysfs-devices-system-cpu
+++ b/Documentation/ABI/testing/sysfs-devices-system-cpu
@@ -584,6 +584,7 @@ What: /sys/devices/system/cpu/vulnerabilities
/sys/devices/system/cpu/vulnerabilities/spectre_v1
/sys/devices/system/cpu/vulnerabilities/spectre_v2
/sys/devices/system/cpu/vulnerabilities/srbds
+ /sys/devices/system/cpu/vulnerabilities/tsa
/sys/devices/system/cpu/vulnerabilities/tsx_async_abort
Date: January 2018
Contact: Linux kernel mailing list <linux-kernel@vger.kernel.org>
diff --git a/Documentation/ABI/testing/sysfs-driver-intel-m10-bmc b/Documentation/ABI/testing/sysfs-driver-intel-m10-bmc
index a6e400364932..faeae8fedb14 100644
--- a/Documentation/ABI/testing/sysfs-driver-intel-m10-bmc
+++ b/Documentation/ABI/testing/sysfs-driver-intel-m10-bmc
@@ -17,7 +17,7 @@ Description: Read only. Returns the firmware version of Intel MAX10
What: /sys/bus/.../drivers/intel-m10-bmc/.../mac_address
Date: January 2021
KernelVersion: 5.12
-Contact: Peter Colberg <peter.colberg@altera.com>
+Contact: Matthew Gerlach <matthew.gerlach@altera.com>
Description: Read only. Returns the first MAC address in a block
of sequential MAC addresses assigned to the board
that is managed by the Intel MAX10 BMC. It is stored in
@@ -28,7 +28,7 @@ Description: Read only. Returns the first MAC address in a block
What: /sys/bus/.../drivers/intel-m10-bmc/.../mac_count
Date: January 2021
KernelVersion: 5.12
-Contact: Peter Colberg <peter.colberg@altera.com>
+Contact: Matthew Gerlach <matthew.gerlach@altera.com>
Description: Read only. Returns the number of sequential MAC
addresses assigned to the board managed by the Intel
MAX10 BMC. This value is stored in FLASH and is mirrored
diff --git a/Documentation/ABI/testing/sysfs-driver-intel-m10-bmc-sec-update b/Documentation/ABI/testing/sysfs-driver-intel-m10-bmc-sec-update
index c69fd3894eb4..3a6ca780c75c 100644
--- a/Documentation/ABI/testing/sysfs-driver-intel-m10-bmc-sec-update
+++ b/Documentation/ABI/testing/sysfs-driver-intel-m10-bmc-sec-update
@@ -1,7 +1,7 @@
What: /sys/bus/platform/drivers/intel-m10bmc-sec-update/.../security/sr_root_entry_hash
Date: Sep 2022
KernelVersion: 5.20
-Contact: Peter Colberg <peter.colberg@altera.com>
+Contact: Matthew Gerlach <matthew.gerlach@altera.com>
Description: Read only. Returns the root entry hash for the static
region if one is programmed, else it returns the
string: "hash not programmed". This file is only
@@ -11,7 +11,7 @@ Description: Read only. Returns the root entry hash for the static
What: /sys/bus/platform/drivers/intel-m10bmc-sec-update/.../security/pr_root_entry_hash
Date: Sep 2022
KernelVersion: 5.20
-Contact: Peter Colberg <peter.colberg@altera.com>
+Contact: Matthew Gerlach <matthew.gerlach@altera.com>
Description: Read only. Returns the root entry hash for the partial
reconfiguration region if one is programmed, else it
returns the string: "hash not programmed". This file
@@ -21,7 +21,7 @@ Description: Read only. Returns the root entry hash for the partial
What: /sys/bus/platform/drivers/intel-m10bmc-sec-update/.../security/bmc_root_entry_hash
Date: Sep 2022
KernelVersion: 5.20
-Contact: Peter Colberg <peter.colberg@altera.com>
+Contact: Matthew Gerlach <matthew.gerlach@altera.com>
Description: Read only. Returns the root entry hash for the BMC image
if one is programmed, else it returns the string:
"hash not programmed". This file is only visible if the
@@ -31,7 +31,7 @@ Description: Read only. Returns the root entry hash for the BMC image
What: /sys/bus/platform/drivers/intel-m10bmc-sec-update/.../security/sr_canceled_csks
Date: Sep 2022
KernelVersion: 5.20
-Contact: Peter Colberg <peter.colberg@altera.com>
+Contact: Matthew Gerlach <matthew.gerlach@altera.com>
Description: Read only. Returns a list of indices for canceled code
signing keys for the static region. The standard bitmap
list format is used (e.g. "1,2-6,9").
@@ -39,7 +39,7 @@ Description: Read only. Returns a list of indices for canceled code
What: /sys/bus/platform/drivers/intel-m10bmc-sec-update/.../security/pr_canceled_csks
Date: Sep 2022
KernelVersion: 5.20
-Contact: Peter Colberg <peter.colberg@altera.com>
+Contact: Matthew Gerlach <matthew.gerlach@altera.com>
Description: Read only. Returns a list of indices for canceled code
signing keys for the partial reconfiguration region. The
standard bitmap list format is used (e.g. "1,2-6,9").
@@ -47,7 +47,7 @@ Description: Read only. Returns a list of indices for canceled code
What: /sys/bus/platform/drivers/intel-m10bmc-sec-update/.../security/bmc_canceled_csks
Date: Sep 2022
KernelVersion: 5.20
-Contact: Peter Colberg <peter.colberg@altera.com>
+Contact: Matthew Gerlach <matthew.gerlach@altera.com>
Description: Read only. Returns a list of indices for canceled code
signing keys for the BMC. The standard bitmap list format
is used (e.g. "1,2-6,9").
@@ -55,7 +55,7 @@ Description: Read only. Returns a list of indices for canceled code
What: /sys/bus/platform/drivers/intel-m10bmc-sec-update/.../security/flash_count
Date: Sep 2022
KernelVersion: 5.20
-Contact: Peter Colberg <peter.colberg@altera.com>
+Contact: Matthew Gerlach <matthew.gerlach@altera.com>
Description: Read only. Returns number of times the secure update
staging area has been flashed.
Format: "%u".
diff --git a/Documentation/ABI/testing/sysfs-driver-intel-xe-hwmon b/Documentation/ABI/testing/sysfs-driver-intel-xe-hwmon
index 4ca917ac6382..5a91dcccd3ac 100644
--- a/Documentation/ABI/testing/sysfs-driver-intel-xe-hwmon
+++ b/Documentation/ABI/testing/sysfs-driver-intel-xe-hwmon
@@ -60,26 +60,26 @@ Description: RO. Package default power limit (default TDP setting).
Only supported for particular Intel Xe graphics platforms.
-What: /sys/bus/pci/drivers/xe/.../hwmon/hwmon<i>/power2_crit
-Date: February 2024
-KernelVersion: 6.8
+What: /sys/bus/pci/drivers/xe/.../hwmon/hwmon<i>/power1_crit
+Date: May 2025
+KernelVersion: 6.15
Contact: intel-xe@lists.freedesktop.org
-Description: RW. Package reactive critical (I1) power limit in microwatts.
+Description: RW. Card reactive critical (I1) power limit in microwatts.
- Package reactive critical (I1) power limit in microwatts is exposed
+ Card reactive critical (I1) power limit in microwatts is exposed
for client products. The power controller will throttle the
operating frequency if the power averaged over a window exceeds
this limit.
Only supported for particular Intel Xe graphics platforms.
-What: /sys/bus/pci/drivers/xe/.../hwmon/hwmon<i>/curr2_crit
-Date: February 2024
-KernelVersion: 6.8
+What: /sys/bus/pci/drivers/xe/.../hwmon/hwmon<i>/curr1_crit
+Date: May 2025
+KernelVersion: 6.15
Contact: intel-xe@lists.freedesktop.org
-Description: RW. Package reactive critical (I1) power limit in milliamperes.
+Description: RW. Card reactive critical (I1) power limit in milliamperes.
- Package reactive critical (I1) power limit in milliamperes is
+ Card reactive critical (I1) power limit in milliamperes is
exposed for server products. The power controller will throttle
the operating frequency if the power averaged over a window
exceeds this limit.
diff --git a/Documentation/ABI/testing/sysfs-driver-ufs b/Documentation/ABI/testing/sysfs-driver-ufs
index d4140dc6c5ba..615453fcc9ff 100644
--- a/Documentation/ABI/testing/sysfs-driver-ufs
+++ b/Documentation/ABI/testing/sysfs-driver-ufs
@@ -711,7 +711,7 @@ Description: This file shows the thin provisioning type. This is one of
The file is read only.
-What: /sys/class/scsi_device/*/device/unit_descriptor/physical_memory_resourse_count
+What: /sys/class/scsi_device/*/device/unit_descriptor/physical_memory_resource_count
Date: February 2018
Contact: Stanislav Nijnikov <stanislav.nijnikov@wdc.com>
Description: This file shows the total physical memory resources. This is
diff --git a/Documentation/ABI/testing/sysfs-edac-scrub b/Documentation/ABI/testing/sysfs-edac-scrub
index c43be90deab4..ab6014743da5 100644
--- a/Documentation/ABI/testing/sysfs-edac-scrub
+++ b/Documentation/ABI/testing/sysfs-edac-scrub
@@ -49,6 +49,12 @@ Description:
(RO) Supported minimum scrub cycle duration in seconds
by the memory scrubber.
+ Device-based scrub: returns the minimum scrub cycle
+ supported by the memory device.
+
+ Region-based scrub: returns the max of minimum scrub cycles
+ supported by individual memory devices that back the region.
+
What: /sys/bus/edac/devices/<dev-name>/scrubX/max_cycle_duration
Date: March 2025
KernelVersion: 6.15
@@ -57,6 +63,16 @@ Description:
(RO) Supported maximum scrub cycle duration in seconds
by the memory scrubber.
+ Device-based scrub: returns the maximum scrub cycle supported
+ by the memory device.
+
+ Region-based scrub: returns the min of maximum scrub cycles
+ supported by individual memory devices that back the region.
+
+ If the memory device does not provide maximum scrub cycle
+ information, return the maximum supported value of the scrub
+ cycle field.
+
What: /sys/bus/edac/devices/<dev-name>/scrubX/current_cycle_duration
Date: March 2025
KernelVersion: 6.15
generated by cgit (git 2.34.1) at 2025-07-25 01:25:37 +0000