From f52153ab383f04a45c38d8a7f55a4249477b20df Mon Sep 17 00:00:00 2001 From: Sourabh Jain Date: Wed, 11 Dec 2019 21:39:05 +0530 Subject: [PATCH] Documentation/ABI: Add ABI documentation for /sys/kernel/fadump_* Add missing ABI documentation for existing FADump sysfs files. Signed-off-by: Sourabh Jain Reviewed-by: Hari Bathini Signed-off-by: Michael Ellerman Link: https://lore.kernel.org/r/20191211160910.21656-2-sourabhjain@linux.ibm.com --- Documentation/ABI/testing/sysfs-kernel-fadump_enabled | 7 +++++++ Documentation/ABI/testing/sysfs-kernel-fadump_registered | 8 ++++++++ Documentation/ABI/testing/sysfs-kernel-fadump_release_mem | 8 ++++++++ Documentation/ABI/testing/sysfs-kernel-fadump_release_opalcore | 7 +++++++ 4 files changed, 30 insertions(+) create mode 100644 Documentation/ABI/testing/sysfs-kernel-fadump_enabled create mode 100644 Documentation/ABI/testing/sysfs-kernel-fadump_registered create mode 100644 Documentation/ABI/testing/sysfs-kernel-fadump_release_mem create mode 100644 Documentation/ABI/testing/sysfs-kernel-fadump_release_opalcore diff --git a/Documentation/ABI/testing/sysfs-kernel-fadump_enabled b/Documentation/ABI/testing/sysfs-kernel-fadump_enabled new file mode 100644 index 000000000000..f73632b1c006 --- /dev/null +++ b/Documentation/ABI/testing/sysfs-kernel-fadump_enabled @@ -0,0 +1,7 @@ +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/testing/sysfs-kernel-fadump_registered b/Documentation/ABI/testing/sysfs-kernel-fadump_registered new file mode 100644 index 000000000000..dcf925e53f0f --- /dev/null +++ b/Documentation/ABI/testing/sysfs-kernel-fadump_registered @@ -0,0 +1,8 @@ +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/testing/sysfs-kernel-fadump_release_mem b/Documentation/ABI/testing/sysfs-kernel-fadump_release_mem new file mode 100644 index 000000000000..9c20d64ab48d --- /dev/null +++ b/Documentation/ABI/testing/sysfs-kernel-fadump_release_mem @@ -0,0 +1,8 @@ +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/testing/sysfs-kernel-fadump_release_opalcore b/Documentation/ABI/testing/sysfs-kernel-fadump_release_opalcore new file mode 100644 index 000000000000..53313c1d4e7a --- /dev/null +++ b/Documentation/ABI/testing/sysfs-kernel-fadump_release_opalcore @@ -0,0 +1,7 @@ +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. -- 2.11.0