diff options
Diffstat (limited to 'Documentation/ABI/testing')
-rw-r--r-- | Documentation/ABI/testing/debugfs-pktcdvd | 18 | ||||
-rw-r--r-- | Documentation/ABI/testing/sysfs-class-pktcdvd | 97 | ||||
-rw-r--r-- | Documentation/ABI/testing/sysfs-devices-power | 2 | ||||
-rw-r--r-- | Documentation/ABI/testing/sysfs-devices-system-cpu | 1 | ||||
-rw-r--r-- | Documentation/ABI/testing/sysfs-driver-ufs | 2 | ||||
-rw-r--r-- | Documentation/ABI/testing/sysfs-edac-scrub | 16 | ||||
-rw-r--r-- | Documentation/ABI/testing/sysfs-fs-erofs | 10 |
7 files changed, 28 insertions, 118 deletions
diff --git a/Documentation/ABI/testing/debugfs-pktcdvd b/Documentation/ABI/testing/debugfs-pktcdvd deleted file mode 100644 index f6f65a4faea0..000000000000 --- a/Documentation/ABI/testing/debugfs-pktcdvd +++ /dev/null @@ -1,18 +0,0 @@ -What: /sys/kernel/debug/pktcdvd/pktcdvd[0-7] -Date: Oct. 2006 -KernelVersion: 2.6.20 -Contact: Thomas Maier <balagi@justmail.de> -Description: - -The pktcdvd module (packet writing driver) creates -these files in debugfs: - -/sys/kernel/debug/pktcdvd/pktcdvd[0-7]/ - - ==== ====== ==================================== - info 0444 Lots of driver statistics and infos. - ==== ====== ==================================== - -Example:: - - cat /sys/kernel/debug/pktcdvd/pktcdvd0/info diff --git a/Documentation/ABI/testing/sysfs-class-pktcdvd b/Documentation/ABI/testing/sysfs-class-pktcdvd deleted file mode 100644 index ba1ce626591d..000000000000 --- a/Documentation/ABI/testing/sysfs-class-pktcdvd +++ /dev/null @@ -1,97 +0,0 @@ -sysfs interface ---------------- -The pktcdvd module (packet writing driver) creates the following files in the -sysfs: (<devid> is in the format major:minor) - -What: /sys/class/pktcdvd/add -What: /sys/class/pktcdvd/remove -What: /sys/class/pktcdvd/device_map -Date: Oct. 2006 -KernelVersion: 2.6.20 -Contact: Thomas Maier <balagi@justmail.de> -Description: - - ========== ============================================== - add (WO) Write a block device id (major:minor) to - create a new pktcdvd device and map it to the - block device. - - remove (WO) Write the pktcdvd device id (major:minor) - to remove the pktcdvd device. - - device_map (RO) Shows the device mapping in format: - pktcdvd[0-7] <pktdevid> <blkdevid> - ========== ============================================== - - -What: /sys/class/pktcdvd/pktcdvd[0-7]/dev -What: /sys/class/pktcdvd/pktcdvd[0-7]/uevent -Date: Oct. 2006 -KernelVersion: 2.6.20 -Contact: Thomas Maier <balagi@justmail.de> -Description: - dev: (RO) Device id - - uevent: (WO) To send a uevent - - -What: /sys/class/pktcdvd/pktcdvd[0-7]/stat/packets_started -What: /sys/class/pktcdvd/pktcdvd[0-7]/stat/packets_finished -What: /sys/class/pktcdvd/pktcdvd[0-7]/stat/kb_written -What: /sys/class/pktcdvd/pktcdvd[0-7]/stat/kb_read -What: /sys/class/pktcdvd/pktcdvd[0-7]/stat/kb_read_gather -What: /sys/class/pktcdvd/pktcdvd[0-7]/stat/reset -Date: Oct. 2006 -KernelVersion: 2.6.20 -Contact: Thomas Maier <balagi@justmail.de> -Description: - packets_started: (RO) Number of started packets. - - packets_finished: (RO) Number of finished packets. - - kb_written: (RO) kBytes written. - - kb_read: (RO) kBytes read. - - kb_read_gather: (RO) kBytes read to fill write packets. - - reset: (WO) Write any value to it to reset - pktcdvd device statistic values, like - bytes read/written. - - -What: /sys/class/pktcdvd/pktcdvd[0-7]/write_queue/size -What: /sys/class/pktcdvd/pktcdvd[0-7]/write_queue/congestion_off -What: /sys/class/pktcdvd/pktcdvd[0-7]/write_queue/congestion_on -Date: Oct. 2006 -KernelVersion: 2.6.20 -Contact: Thomas Maier <balagi@justmail.de> -Description: - ============== ================================================ - size (RO) Contains the size of the bio write queue. - - congestion_off (RW) If bio write queue size is below this mark, - accept new bio requests from the block layer. - - congestion_on (RW) If bio write queue size is higher as this - mark, do no longer accept bio write requests - from the block layer and wait till the pktcdvd - device has processed enough bio's so that bio - write queue size is below congestion off mark. - A value of <= 0 disables congestion control. - ============== ================================================ - - -Example: --------- -To use the pktcdvd sysfs interface directly, you can do:: - - # create a new pktcdvd device mapped to /dev/hdc - echo "22:0" >/sys/class/pktcdvd/add - cat /sys/class/pktcdvd/device_map - # assuming device pktcdvd0 was created, look at stat's - cat /sys/class/pktcdvd/pktcdvd0/stat/kb_written - # print the device id of the mapped block device - fgrep pktcdvd0 /sys/class/pktcdvd/device_map - # remove device, using pktcdvd0 device id 253:0 - echo "253:0" >/sys/class/pktcdvd/remove 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-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 diff --git a/Documentation/ABI/testing/sysfs-fs-erofs b/Documentation/ABI/testing/sysfs-fs-erofs index bf3b6299c15e..76d9808ed581 100644 --- a/Documentation/ABI/testing/sysfs-fs-erofs +++ b/Documentation/ABI/testing/sysfs-fs-erofs @@ -5,7 +5,7 @@ Description: Shows all enabled kernel features. Supported features: zero_padding, compr_cfgs, big_pcluster, chunked_file, device_table, compr_head2, sb_chksum, ztailpacking, - dedupe, fragments. + dedupe, fragments, 48bit, metabox. What: /sys/fs/erofs/<disk>/sync_decompress Date: November 2021 @@ -35,3 +35,11 @@ Description: Used to set or show hardware accelerators in effect and multiple accelerators are separated by '\n'. Supported accelerator(s): qat_deflate. Disable all accelerators with an empty string (echo > accel). + +What: /sys/fs/erofs/<disk>/dir_ra_bytes +Date: July 2025 +Contact: "Chao Yu" <chao@kernel.org> +Description: Used to set or show readahead bytes during readdir(), by + default the value is 16384. + + - 0: disable readahead. |