On Wed, Feb 02, 2022 at 03:48:32PM +0100, Iwona Winiarska wrote: > PECI devices may not be discoverable at the time when PECI controller is > being added (e.g. BMC can boot up when the Host system is still in S5). > Since we currently don't have the capabilities to figure out the Host > system state inside the PECI subsystem itself, we have to rely on > userspace to do it for us. > > In the future, PECI subsystem may be expanded with mechanisms that allow > us to avoid depending on userspace interaction (e.g. CPU presence could > be detected using GPIO, and the information on whether it's discoverable > could be obtained over IPMI). > Unfortunately, those methods may ultimately not be available (support > will vary from platform to platform), which means that we still need > platform independent method triggered by userspace. > > Signed-off-by: Iwona Winiarska <iwona.winiarska@xxxxxxxxx> > --- > Documentation/ABI/testing/sysfs-bus-peci | 16 +++++ > drivers/peci/Makefile | 2 +- > drivers/peci/core.c | 3 +- > drivers/peci/device.c | 1 + > drivers/peci/internal.h | 5 ++ > drivers/peci/sysfs.c | 82 ++++++++++++++++++++++++ > 6 files changed, 107 insertions(+), 2 deletions(-) > create mode 100644 Documentation/ABI/testing/sysfs-bus-peci > create mode 100644 drivers/peci/sysfs.c > > diff --git a/Documentation/ABI/testing/sysfs-bus-peci b/Documentation/ABI/testing/sysfs-bus-peci > new file mode 100644 > index 000000000000..56c2b2216bbd > --- /dev/null > +++ b/Documentation/ABI/testing/sysfs-bus-peci > @@ -0,0 +1,16 @@ > +What: /sys/bus/peci/rescan > +Date: July 2021 > +KernelVersion: 5.15 5.15 was a long time ago :( Other than this nit, these all look semi-sane to me. What tree are you wanting these to go through, mine? If so, can you fix this up (both places in this file) and resend? thanks, greg k-h
