From 36d1d09af1b97113cd014fd50694000ac3ca2824 Mon Sep 17 00:00:00 2001 From: Arend van Spriel Date: Thu, 11 Jan 2018 09:36:37 +0100 Subject: [PATCH] sysfs: add attribute specification for /sysfs/devices/.../coredump This patch adds the specification for /sysfs/devices/.../coredump which allows user-space to trigger a device coredump obtaining binary data from the device for (fault) analysis. It relies on CONFIG_DEV_COREDUMP being enabled. Signed-off-by: Arend van Spriel Signed-off-by: Greg Kroah-Hartman --- Documentation/ABI/testing/sysfs-devices-coredump | 10 ++++++++++ 1 file changed, 10 insertions(+) create mode 100644 Documentation/ABI/testing/sysfs-devices-coredump diff --git a/Documentation/ABI/testing/sysfs-devices-coredump b/Documentation/ABI/testing/sysfs-devices-coredump new file mode 100644 index 000000000000..e459368533a4 --- /dev/null +++ b/Documentation/ABI/testing/sysfs-devices-coredump @@ -0,0 +1,10 @@ +What: /sys/devices/.../coredump +Date: December 2017 +Contact: Arend van Spriel +Description: + The /sys/devices/.../coredump attribute is only present when the + device is bound to a driver, which provides the .coredump() + callback. The attribute is write only. Anything written to this + file will trigger the .coredump() callback. + + Available when CONFIG_DEV_COREDUMP is enabled.