diff options
| author |   Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-10-22 09:45:59 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-10-22 09:45:59 +0200 |
| commit | b1f4c00e4175a89353309fb22c291d16defc4ac7 (patch) | |
| tree | 65fc49821e7eb52de940f755fe533eb571850f3c /Documentation/ABI | |
| parent | counter: Fix use-after-free race condition for events_queue_size write (diff) | |
| parent | fsi: sbefifo: Use interruptible mutex locking (diff) | |
| download | linux-dev-b1f4c00e4175a89353309fb22c291d16defc4ac7.tar.xz linux-dev-b1f4c00e4175a89353309fb22c291d16defc4ac7.zip | |
Merge tag 'fsi-for-v5.16' of git://git.kernel.org/pub/scm/linux/kernel/git/joel/fsi into char-misc-next
Joel writes:
FSI changes for v5.16
- SBEFIFO usersapce interfaces to perform FFDC (First Failure
Data Capture) and detect timeouts
- A fix to handle multiple messages in flight
* tag 'fsi-for-v5.16' of git://git.kernel.org/pub/scm/linux/kernel/git/joel/fsi:
fsi: sbefifo: Use interruptible mutex locking
fsi: sbefifo: Add sysfs file indicating a timeout error
docs: ABI: testing: Document the SBEFIFO timeout interface
hwmon: (occ) Provide the SBEFIFO FFDC in binary sysfs
docs: ABI: testing: Document the OCC hwmon FFDC binary interface
fsi: occ: Store the SBEFIFO FFDC in the user response buffer
fsi: occ: Use a large buffer for responses
hwmon: (occ) Remove sequence numbering and checksum calculation
fsi: occ: Force sequence numbering per OCC
Diffstat (limited to 'Documentation/ABI')
| -rw-r--r-- | Documentation/ABI/testing/sysfs-bus-fsi-devices-sbefifo | 10 | ||||
| -rw-r--r-- | Documentation/ABI/testing/sysfs-bus-platform-devices-occ-hwmon | 13 |
2 files changed, 23 insertions, 0 deletions
diff --git a/Documentation/ABI/testing/sysfs-bus-fsi-devices-sbefifo b/Documentation/ABI/testing/sysfs-bus-fsi-devices-sbefifo new file mode 100644 index 000000000000..531fe9d6b40a --- /dev/null +++ b/Documentation/ABI/testing/sysfs-bus-fsi-devices-sbefifo @@ -0,0 +1,10 @@ +What: /sys/bus/fsi/devices/XX.XX.00:06/sbefifoX/timeout +KernelVersion: 5.15 +Contact: eajames@linux.ibm.com +Description: + Indicates whether or not this SBE device has experienced a + timeout; i.e. the SBE did not respond within the time allotted + by the driver. A value of 1 indicates that a timeout has + ocurred and no transfers have completed since the timeout. A + value of 0 indicates that no timeout has ocurred, or if one + has, more recent transfers have completed successful. diff --git a/Documentation/ABI/testing/sysfs-bus-platform-devices-occ-hwmon b/Documentation/ABI/testing/sysfs-bus-platform-devices-occ-hwmon new file mode 100644 index 000000000000..b24d7ab0278f --- /dev/null +++ b/Documentation/ABI/testing/sysfs-bus-platform-devices-occ-hwmon @@ -0,0 +1,13 @@ +What: /sys/bus/platform/devices/occ-hwmon.X/ffdc +KernelVersion: 5.15 +Contact: eajames@linux.ibm.com +Description: + Contains the First Failure Data Capture from the SBEFIFO + hardware, if there is any from a previous transfer. Otherwise, + the file is empty. The data is cleared when it's been + completely read by a user. As the name suggests, only the data + from the first error is saved, until it's cleared upon read. The OCC hwmon driver, running on + a Baseboard Management Controller (BMC), communicates with + POWER9 and up processors over the Self-Boot Engine (SBE) FIFO. + In many error conditions, the SBEFIFO will return error data + indicating the type of error and system state, etc. |