diff options
Diffstat (limited to 'Documentation/ABI')
| -rw-r--r-- | Documentation/ABI/testing/sysfs-class-power | 8 | ||||
| -rw-r--r-- | Documentation/ABI/testing/sysfs-class-remoteproc | 44 | ||||
| -rw-r--r-- | Documentation/ABI/testing/sysfs-driver-xen-blkback | 9 | ||||
| -rw-r--r-- | Documentation/ABI/testing/sysfs-driver-xen-blkfront | 11 |
4 files changed, 68 insertions, 4 deletions
diff --git a/Documentation/ABI/testing/sysfs-class-power b/Documentation/ABI/testing/sysfs-class-power index 40213c73bc9c..dbccb2fcd7ce 100644 --- a/Documentation/ABI/testing/sysfs-class-power +++ b/Documentation/ABI/testing/sysfs-class-power @@ -34,7 +34,7 @@ Description: Describes the main type of the supply. Access: Read - Valid values: "Battery", "UPS", "Mains", "USB" + Valid values: "Battery", "UPS", "Mains", "USB", "Wireless" ===== Battery Properties ===== @@ -108,7 +108,8 @@ Description: which they average readings to smooth out the reported value. Access: Read - Valid values: Represented in microamps + Valid values: Represented in microamps. Negative values are used + for discharging batteries, positive values for charging batteries. What: /sys/class/power_supply/<supply_name>/current_max Date: October 2010 @@ -127,7 +128,8 @@ Description: This value is not averaged/smoothed. Access: Read - Valid values: Represented in microamps + Valid values: Represented in microamps. Negative values are used + for discharging batteries, positive values for charging batteries. What: /sys/class/power_supply/<supply_name>/charge_control_limit Date: Oct 2012 diff --git a/Documentation/ABI/testing/sysfs-class-remoteproc b/Documentation/ABI/testing/sysfs-class-remoteproc index 36094fbeb974..066b9b6f4924 100644 --- a/Documentation/ABI/testing/sysfs-class-remoteproc +++ b/Documentation/ABI/testing/sysfs-class-remoteproc @@ -58,3 +58,47 @@ Description: Remote processor name Reports the name of the remote processor. This can be used by userspace in exactly identifying a remote processor and ease up the usage in modifying the 'firmware' or 'state' files. + +What: /sys/class/remoteproc/.../coredump +Date: July 2020 +Contact: Bjorn Andersson <bjorn.andersson@linaro.org>, Ohad Ben-Cohen <ohad@wizery.com> +Description: Remote processor coredump configuration + + Reports the coredump configuration of the remote processor, + which will be one of: + + "disabled" + "enabled" + "inline" + + "disabled" means no dump will be collected. + + "enabled" means when the remote processor's coredump is + collected it will be copied to a separate buffer and that + buffer is exposed to userspace. + + "inline" means when the remote processor's coredump is + collected userspace will directly read from the remote + processor's device memory. Extra buffer will not be used to + copy the dump. Also recovery process will not proceed until + all data is read by usersapce. + +What: /sys/class/remoteproc/.../recovery +Date: July 2020 +Contact: Bjorn Andersson <bjorn.andersson@linaro.org>, Ohad Ben-Cohen <ohad@wizery.com> +Description: Remote processor recovery mechanism + + Reports the recovery mechanism of the remote processor, + which will be one of: + + "enabled" + "disabled" + + "enabled" means, the remote processor will be automatically + recovered whenever it crashes. Moreover, if the remote + processor crashes while recovery is disabled, it will + be automatically recovered too as soon as recovery is enabled. + + "disabled" means, a remote processor will remain in a crashed + state if it crashes. This is useful for debugging purposes; + without it, debugging a crash is substantially harder. diff --git a/Documentation/ABI/testing/sysfs-driver-xen-blkback b/Documentation/ABI/testing/sysfs-driver-xen-blkback index ecb7942ff146..ac2947b98950 100644 --- a/Documentation/ABI/testing/sysfs-driver-xen-blkback +++ b/Documentation/ABI/testing/sysfs-driver-xen-blkback @@ -35,3 +35,12 @@ Description: controls the duration in milliseconds that blkback will not cache any page not backed by a grant mapping. The default is 10ms. + +What: /sys/module/xen_blkback/parameters/feature_persistent +Date: September 2020 +KernelVersion: 5.10 +Contact: SeongJae Park <sjpark@amazon.de> +Description: + Whether to enable the persistent grants feature or not. Note + that this option only takes effect on newly created backends. + The default is Y (enable). diff --git a/Documentation/ABI/testing/sysfs-driver-xen-blkfront b/Documentation/ABI/testing/sysfs-driver-xen-blkfront index c0a6cb7eb314..28008905615f 100644 --- a/Documentation/ABI/testing/sysfs-driver-xen-blkfront +++ b/Documentation/ABI/testing/sysfs-driver-xen-blkfront @@ -1,4 +1,4 @@ -What: /sys/module/xen_blkfront/parameters/max +What: /sys/module/xen_blkfront/parameters/max_indirect_segments Date: June 2013 KernelVersion: 3.11 Contact: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> @@ -8,3 +8,12 @@ Description: is 32 - higher value means more potential throughput but more memory usage. The backend picks the minimum of the frontend and its default backend value. + +What: /sys/module/xen_blkfront/parameters/feature_persistent +Date: September 2020 +KernelVersion: 5.10 +Contact: SeongJae Park <sjpark@amazon.de> +Description: + Whether to enable the persistent grants feature or not. Note + that this option only takes effect on newly created frontends. + The default is Y (enable). |