[v2,1/4] Documentation/ABI: add ABI documentation for /sys/kernel/fadump_*
diff mbox series

Message ID 20191018130557.2217-2-sourabhjain@linux.ibm.com
State Superseded
Headers show
Series
  • reorganize and add FADump sysfs files
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snowpatch_ozlabs/checkpatch success total: 0 errors, 0 warnings, 0 checks, 30 lines checked
snowpatch_ozlabs/apply_patch success Successfully applied on branch next (600802af9049be799465b24d14162918545634bf)

Commit Message

Sourabh Jain Oct. 18, 2019, 1:05 p.m. UTC
Add the missing ABI documentation for the already available FADump
sysfs files.

Signed-off-by: Sourabh Jain <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 ++++++++
 .../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

Patch
diff mbox series

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.