diff options
Diffstat (limited to 'Documentation/ABI')
6 files changed, 99 insertions, 0 deletions
diff --git a/Documentation/ABI/obsolete/sysfs-kernel-fadump_enabled b/Documentation/ABI/obsolete/sysfs-kernel-fadump_enabled new file mode 100644 index 0000000000000..e9c2de8b36889 --- /dev/null +++ b/Documentation/ABI/obsolete/sysfs-kernel-fadump_enabled @@ -0,0 +1,9 @@ +This ABI is renamed and moved to a new location /sys/kernel/fadump/enabled. + +What: /sys/kernel/fadump_enabled +Date: Feb 2012 +Contact: linuxppc-dev@lists.ozlabs.org +Description: read only + Primarily used to identify whether the FADump is enabled in + the kernel or not. +User: Kdump service diff --git a/Documentation/ABI/obsolete/sysfs-kernel-fadump_registered b/Documentation/ABI/obsolete/sysfs-kernel-fadump_registered new file mode 100644 index 0000000000000..0360be39c98e9 --- /dev/null +++ b/Documentation/ABI/obsolete/sysfs-kernel-fadump_registered @@ -0,0 +1,10 @@ +This ABI is renamed and moved to a new location /sys/kernel/fadump/registered.¬ + +What: /sys/kernel/fadump_registered +Date: Feb 2012 +Contact: linuxppc-dev@lists.ozlabs.org +Description: read/write + Helps to control the dump collect feature from userspace. + Setting 1 to this file enables the system to collect the + dump and 0 to disable it. +User: Kdump service diff --git a/Documentation/ABI/obsolete/sysfs-kernel-fadump_release_mem b/Documentation/ABI/obsolete/sysfs-kernel-fadump_release_mem new file mode 100644 index 0000000000000..6ce0b129ab12d --- /dev/null +++ b/Documentation/ABI/obsolete/sysfs-kernel-fadump_release_mem @@ -0,0 +1,10 @@ +This ABI is renamed and moved to a new location /sys/kernel/fadump/release_mem.¬ + +What: /sys/kernel/fadump_release_mem +Date: Feb 2012 +Contact: linuxppc-dev@lists.ozlabs.org +Description: write only + This is a special sysfs file and only available when + the system is booted to capture the vmcore using FADump. + It is used to release the memory reserved by FADump to + save the crash dump. diff --git a/Documentation/ABI/removed/sysfs-kernel-fadump_release_opalcore b/Documentation/ABI/removed/sysfs-kernel-fadump_release_opalcore new file mode 100644 index 0000000000000..a8d46cd0f4e61 --- /dev/null +++ b/Documentation/ABI/removed/sysfs-kernel-fadump_release_opalcore @@ -0,0 +1,9 @@ +This ABI is moved to /sys/firmware/opal/mpipl/release_core. + +What: /sys/kernel/fadump_release_opalcore +Date: Sep 2019 +Contact: linuxppc-dev@lists.ozlabs.org +Description: write only + The sysfs file is available when the system is booted to + collect the dump on OPAL based machine. It used to release + the memory used to collect the opalcore. diff --git a/Documentation/ABI/testing/sysfs-firmware-opal-sensor-groups b/Documentation/ABI/testing/sysfs-firmware-opal-sensor-groups new file mode 100644 index 0000000000000..3a2dfe542e8c5 --- /dev/null +++ b/Documentation/ABI/testing/sysfs-firmware-opal-sensor-groups @@ -0,0 +1,21 @@ +What: /sys/firmware/opal/sensor_groups +Date: August 2017 +Contact: Linux for PowerPC mailing list <linuxppc-dev@ozlabs.org> +Description: Sensor groups directory for POWER9 powernv servers + + Each folder in this directory contains a sensor group + which are classified based on type of the sensor + like power, temperature, frequency, current, etc. They + can also indicate the group of sensors belonging to + different owners like CSM, Profiler, Job-Scheduler + +What: /sys/firmware/opal/sensor_groups/<sensor_group_name>/clear +Date: August 2017 +Contact: Linux for PowerPC mailing list <linuxppc-dev@ozlabs.org> +Description: Sysfs file to clear the min-max of all the sensors + belonging to the group. + + Writing 1 to this file will clear the minimum and + maximum values of all the sensors in the group. + In POWER9, the min-max of a sensor is the historical minimum + and maximum value of the sensor cached by OCC. diff --git a/Documentation/ABI/testing/sysfs-kernel-fadump b/Documentation/ABI/testing/sysfs-kernel-fadump new file mode 100644 index 0000000000000..8f7a64a81783a --- /dev/null +++ b/Documentation/ABI/testing/sysfs-kernel-fadump @@ -0,0 +1,40 @@ +What: /sys/kernel/fadump/* +Date: Dec 2019 +Contact: linuxppc-dev@lists.ozlabs.org +Description: + The /sys/kernel/fadump/* is a collection of FADump sysfs + file provide information about the configuration status + of Firmware Assisted Dump (FADump). + +What: /sys/kernel/fadump/enabled +Date: Dec 2019 +Contact: linuxppc-dev@lists.ozlabs.org +Description: read only + Primarily used to identify whether the FADump is enabled in + the kernel or not. +User: Kdump service + +What: /sys/kernel/fadump/registered +Date: Dec 2019 +Contact: linuxppc-dev@lists.ozlabs.org +Description: read/write + Helps to control the dump collect feature from userspace. + Setting 1 to this file enables the system to collect the + dump and 0 to disable it. +User: Kdump service + +What: /sys/kernel/fadump/release_mem +Date: Dec 2019 +Contact: linuxppc-dev@lists.ozlabs.org +Description: write only + This is a special sysfs file and only available when + the system is booted to capture the vmcore using FADump. + It is used to release the memory reserved by FADump to + save the crash dump. + +What: /sys/kernel/fadump/mem_reserved +Date: Dec 2019 +Contact: linuxppc-dev@lists.ozlabs.org +Description: read only + Provide information about the amount of memory reserved by + FADump to save the crash dump in bytes. |