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authorAishwarya Pant <aishpant@gmail.com>2018-03-01 21:25:59 +0300
committerJonathan Corbet <corbet@lwn.net>2018-03-21 18:26:07 +0300
commit2ddf0d655946657b9708bb79cd38a4248c67ac14 (patch)
tree204d0b45231a1e725f21a3a5003e5fe7f321fa1e /Documentation/ABI
parent014d8fd8805b29186448bc4e5a697b34b604587a (diff)
downloadlinux-2ddf0d655946657b9708bb79cd38a4248c67ac14.tar.xz
char/bsr: add sysfs interface documentation
Descriptions have collected from code comments and by reading through code. Signed-off-by: Aishwarya Pant <aishpant@gmail.com> Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Diffstat (limited to 'Documentation/ABI')
-rw-r--r--Documentation/ABI/testing/sysfs-class-bsr25
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diff --git a/Documentation/ABI/testing/sysfs-class-bsr b/Documentation/ABI/testing/sysfs-class-bsr
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+What: /sys/class/bsr/bsr*/bsr_size
+Date: Jul, 2008
+KernelVersion: 2.6.27
+Contact: Arnd Bergmann <arnd@arndb.de>,
+ Greg Kroah-Hartman <gregkh@linuxfoundation.org>
+Description:
+ (RO) Size of the barrier-synchronization register (BSR)
+ register in bytes.
+
+What: /sys/class/bsr/bsr*/bsr_length
+Date: Jul, 2008
+KernelVersion: 2.6.27
+Contact: Arnd Bergmann <arnd@arndb.de>,
+ Greg Kroah-Hartman <gregkh@linuxfoundation.org>
+Description:
+ (RO) The length of memory region that can be mapped in bytes.
+
+What: /sys/class/bsr/bsr*/bsr_stride
+Date: Jul, 2008
+KernelVersion: 2.6.27
+Contact: Arnd Bergmann <arnd@arndb.de>,
+ Greg Kroah-Hartman <gregkh@linuxfoundation.org>
+Description:
+ (RO) The stride or the interval at which the allocated BSR bytes
+ repeat within the mapping.