On Tue, Apr 09, 2019 at 01:46:01PM -0500, richard.gong@xxxxxxxxxxxxxxx wrote: > From: Richard Gong <richard.gong@xxxxxxxxx> > > Describe Intel Stratix10 Remote System Update (RSU) device attributes > > Signed-off-by: Richard Gong <richard.gong@xxxxxxxxx> > Reviewed-by: Alan Tull <atull@xxxxxxxxxx> > --- > .../testing/sysfs-devices-platform-stratix10-rsu | 78 ++++++++++++++++++++++ > 1 file changed, 78 insertions(+) > create mode 100644 Documentation/ABI/testing/sysfs-devices-platform-stratix10-rsu > > diff --git a/Documentation/ABI/testing/sysfs-devices-platform-stratix10-rsu b/Documentation/ABI/testing/sysfs-devices-platform-stratix10-rsu > new file mode 100644 > index 0000000..cb461ee > --- /dev/null > +++ b/Documentation/ABI/testing/sysfs-devices-platform-stratix10-rsu > @@ -0,0 +1,78 @@ > + Intel Stratix10 Remote System Update (RSU) device attributes > + > +What: /sys/devices/platform/soc:firmware:svc/soc:firmware:svc:rsu/current_image > +Date: April 2019 > +KernelVersion: 5.2 > +Contact: Richard Gong <richard.gong@xxxxxxxxx> > +Description: > + (RO) the address of image currently running in flash. > + > +What: /sys/devices/platform/soc:firmware:svc/soc:firmware:svc:rsu/fail_image > +Date: April 2019 > +KernelVersion: 5.2 > +Contact: Richard Gong <richard.gong@xxxxxxxxx> > +Description: > + (RO) the address of failed image in flash. > + > +What: /sys/devices/platform/soc:firmware:svc/soc:firmware:svc:rsu/state > +Date: April 2019 > +KernelVersion: 5.2 > +Contact: Richard Gong <richard.gong@xxxxxxxxx> > +Description: > + (RO) the state of RSU system. > + The state field has two parts: major error code in upper 16 bits and minor error code > + in lower 16 bits. > + 1. Major error code > + 0xF001 -- bitstream error > + 0xF002 -- hardware access failure > + 0xF003 -- bitstream corruption > + 0xF004 -- internal error > + 0xF005 -- device error > + 0xF006 -- HPS watchdog timeout > + 0xF007 -- internal unknown error > + 2: Minor error code > + Currently used only when major error is 0xF006 (HPS watchdog timeout), in which > + case the minor error code is the value reported by HPS to firmware through the RSU notify > + command before the watchdog timeout occurs. Properly wrap your lines at 72 colums.
