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| author | Aishwarya Pant <aishpant@gmail.com> | 2018-03-01 21:25:59 +0300 |
|---|---|---|
| committer | Jonathan Corbet <corbet@lwn.net> | 2018-03-21 18:26:07 +0300 |
| commit | 2ddf0d655946657b9708bb79cd38a4248c67ac14 (patch) | |
| tree | 204d0b45231a1e725f21a3a5003e5fe7f321fa1e /Documentation/ABI | |
| parent | 014d8fd8805b29186448bc4e5a697b34b604587a (diff) | |
| download | linux-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-bsr | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/Documentation/ABI/testing/sysfs-class-bsr b/Documentation/ABI/testing/sysfs-class-bsr new file mode 100644 index 000000000000..7bf145d32cbc --- /dev/null +++ b/Documentation/ABI/testing/sysfs-class-bsr @@ -0,0 +1,25 @@ +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. |