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From: Sourabh Jain <sourabhjain@linux.ibm.com>
To: mpe@ellerman.id.au
Cc: corbet@lwn.net, mahesh@linux.vnet.ibm.com,
	linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org,
	Sourabh Jain <sourabhjain@linux.ibm.com>,
	linuxppc-dev@ozlabs.org, hbathini@linux.ibm.com
Subject: [PATCH v3 1/4] Documentation/ABI: add ABI documentation for /sys/kernel/fadump_*
Date: Sat,  9 Nov 2019 17:53:36 +0530	[thread overview]
Message-ID: <20191109122339.20484-2-sourabhjain@linux.ibm.com> (raw)
In-Reply-To: <20191109122339.20484-1-sourabhjain@linux.ibm.com>

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

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.
-- 
2.17.2


  reply	other threads:[~2019-11-09 12:30 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-11-09 12:23 [PATCH v3 0/4] reorganize and add FADump sysfs files Sourabh Jain
2019-11-09 12:23 ` Sourabh Jain [this message]
2019-11-09 12:23 ` [PATCH v3 2/4] powerpc/fadump: reorganize /sys/kernel/fadump_* " Sourabh Jain
2019-11-09 12:59   ` Michal Suchánek
2019-11-16 14:37     ` Sourabh Jain
2019-11-24 18:40       ` Michal Suchánek
2019-11-27  4:54         ` Sourabh Jain
2019-12-03 11:20         ` Sourabh Jain
2019-11-23 11:21   ` kbuild test robot
2019-11-09 12:23 ` [PATCH v3 3/4] Documentation/ABI: mark /sys/kernel/fadump_* sysfs files deprecated Sourabh Jain
2019-11-09 12:23 ` [PATCH v3 4/4] powerpc/fadump: sysfs for fadump memory reservation Sourabh Jain

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