diff options
Diffstat (limited to 'Documentation/ABI/testing/sysfs-class-fpga-manager')
| -rw-r--r-- | Documentation/ABI/testing/sysfs-class-fpga-manager | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/Documentation/ABI/testing/sysfs-class-fpga-manager b/Documentation/ABI/testing/sysfs-class-fpga-manager index 23056c532fdd..5284fa33d4c5 100644 --- a/Documentation/ABI/testing/sysfs-class-fpga-manager +++ b/Documentation/ABI/testing/sysfs-class-fpga-manager @@ -35,3 +35,27 @@ Description: Read fpga manager state as a string. * write complete = Doing post programming steps * write complete error = Error while doing post programming * operating = FPGA is programmed and operating + +What: /sys/class/fpga_manager/<fpga>/status +Date: June 2018 +KernelVersion: 4.19 +Contact: Wu Hao <hao.wu@intel.com> +Description: Read fpga manager status as a string. + If FPGA programming operation fails, it could be caused by crc + error or incompatible bitstream image. The intent of this + interface is to provide more detailed information for FPGA + programming errors to userspace. This is a list of strings for + the supported status. + + * reconfig operation error - invalid operations detected by + reconfiguration hardware. + e.g. start reconfiguration + with errors not cleared + * reconfig CRC error - CRC error detected by + reconfiguration hardware. + * reconfig incompatible image - reconfiguration image is + incompatible with hardware + * reconfig IP protocol error - protocol errors detected by + reconfiguration hardware + * reconfig fifo overflow error - FIFO overflow detected by + reconfiguration hardware |