From: Sourabh Jain <sourabhjain@linux.ibm.com>
To: mpe@ellerman.id.au
Cc: mahesh@linux.vnet.ibm.com, hbathini@linux.ibm.com,
linux-kernel@vger.kernel.org, linuxppc-dev@ozlabs.org,
corbet@lwn.net, linux-doc@vger.kernel.org,
gregkh@linuxfoundation.org,
Sourabh Jain <sourabhjain@linux.ibm.com>
Subject: [PATCH v6 1/6] Documentation/ABI: add ABI documentation for /sys/kernel/fadump_*
Date: Wed, 11 Dec 2019 21:39:05 +0530 [thread overview]
Message-ID: <20191211160910.21656-2-sourabhjain@linux.ibm.com> (raw)
In-Reply-To: <20191211160910.21656-1-sourabhjain@linux.ibm.com>
Add missing ABI documentation for existing 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
next prev parent reply other threads:[~2019-12-11 16:09 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-12-11 16:09 [PATCH v6 0/6] reorganize and add FADump sysfs files Sourabh Jain
2019-12-11 16:09 ` Sourabh Jain [this message]
2020-01-07 20:06 ` [PATCH v6 1/6] Documentation/ABI: add ABI documentation for /sys/kernel/fadump_* Hari Bathini
2020-03-06 0:27 ` Michael Ellerman
2019-12-11 16:09 ` [PATCH v6 2/6] sysfs: wrap __compat_only_sysfs_link_entry_to_kobj function to change the symlink name Sourabh Jain
2020-02-10 4:44 ` Michael Ellerman
2019-12-11 16:09 ` [PATCH v6 3/6] powerpc/fadump: reorganize /sys/kernel/fadump_* sysfs files Sourabh Jain
2020-01-08 11:11 ` Michal Suchánek
2019-12-11 16:09 ` [PATCH v6 4/6] powerpc/powernv: move core and fadump_release_opalcore under new kobject Sourabh Jain
2019-12-11 16:09 ` [PATCH v6 5/6] Documentation/ABI: mark /sys/kernel/fadump_* sysfs files deprecated Sourabh Jain
2019-12-11 16:09 ` [PATCH v6 6/6] powerpc/fadump: sysfs for fadump memory reservation Sourabh Jain
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