From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001 From: Tomas Winkler Date: Sun, 13 Mar 2016 13:36:52 +0200 Subject: [PATCH] rpmb: add sysfs-class ABI documentation V2: resend V3: add more verbose description V4: resend V5: adjust date and kernel version V6: adjust date and kernel version V7: adjust date and kernel version V8: adjust date and kernel version V9: adjust date and kernel version Change-Id: I2d71ca467e5960ca93c904e92cfcf69591a3de59 Signed-off-by: Tomas Winkler Signed-off-by: Alexander Usyskin --- Documentation/ABI/testing/sysfs-class-rpmb | 20 ++++++++++++++++++++ MAINTAINERS | 1 + 2 files changed, 21 insertions(+) create mode 100644 Documentation/ABI/testing/sysfs-class-rpmb diff --git a/Documentation/ABI/testing/sysfs-class-rpmb b/Documentation/ABI/testing/sysfs-class-rpmb new file mode 100644 index 000000000000..a9d45aa77f77 --- /dev/null +++ b/Documentation/ABI/testing/sysfs-class-rpmb @@ -0,0 +1,20 @@ +What: /sys/class/rpmb/ +Date: Jul 2018 +KernelVersion: 4.18 +Contact: Tomas Winkler +Description: + The rpmb/ class sub-directory belongs to RPMB device class. + + Few storage technologies such is EMMC, UFS, and NVMe support + Replay Protected Memory Block (RPMB) hardware partition with + common protocol and similar frame layout. + Such a partition provides authenticated and replay protected access, + hence suitable as a secure storage. + +What: /sys/class/rpmb/rpmbN/ +Date: Jul 2018 +KernelVersion: 4.18 +Contact: Tomas Winkler +Description: + The /sys/class/rpmb/rpmbN directory is created for + each RPMB registered device. diff --git a/MAINTAINERS b/MAINTAINERS index 99151984b46c..c48553a07ce6 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -12548,6 +12548,7 @@ L: linux-kernel@vger.kernel.org S: Supported F: drivers/char/rpmb/* F: include/linux/rpmb.h +F: Documentation/ABI/testing/sysfs-class-rpmb RTL2830 MEDIA DRIVER M: Antti Palosaari -- https://clearlinux.org