Intel Stratix10 Remote System Update (RSU) device attributes
|
|
What: /sys/devices/platform/stratix10-rsu.0/current_image
|
Date: August 2019
|
KernelVersion: 5.4
|
Contact: Richard Gong <richard.gong@linux.intel.com>
|
Description:
|
(RO) the address in flash of currently running image.
|
|
What: /sys/devices/platform/stratix10-rsu.0/fail_image
|
Date: August 2019
|
KernelVersion: 5.4
|
Contact: Richard Gong <richard.gong@linux.intel.com>
|
Description:
|
(RO) the address in flash of failed image.
|
|
What: /sys/devices/platform/stratix10-rsu.0/state
|
Date: August 2019
|
KernelVersion: 5.4
|
Contact: Richard Gong <richard.gong@linux.intel.com>
|
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.
|
|
b[15:0]
|
Currently used only when major error is 0xF006
|
(CPU watchdog timeout), in which case the minor
|
error code is the value reported by CPU to
|
firmware through the RSU notify command before
|
the watchdog timeout occurs.
|
|
b[31:16]
|
0xF001 bitstream error
|
0xF002 hardware access failure
|
0xF003 bitstream corruption
|
0xF004 internal error
|
0xF005 device error
|
0xF006 CPU watchdog timeout
|
0xF007 internal unknown error
|
|
What: /sys/devices/platform/stratix10-rsu.0/version
|
Date: August 2019
|
KernelVersion: 5.4
|
Contact: Richard Gong <richard.gong@linux.intel.com>
|
Description:
|
(RO) the version number of RSU firmware. 19.3 or late
|
version includes information about the firmware which
|
reported the error.
|
|
pre 19.3:
|
b[31:0]
|
0x0 version number
|
|
19.3 or late:
|
b[15:0]
|
0x1 version number
|
b[31:16]
|
0x0 no error
|
0x0DCF Decision CMF error
|
0x0ACF Application CMF error
|
|
What: /sys/devices/platform/stratix10-rsu.0/error_location
|
Date: August 2019
|
KernelVersion: 5.4
|
Contact: Richard Gong <richard.gong@linux.intel.com>
|
Description:
|
(RO) the error offset inside the image that failed.
|
|
What: /sys/devices/platform/stratix10-rsu.0/error_details
|
Date: August 2019
|
KernelVersion: 5.4
|
Contact: Richard Gong <richard.gong@linux.intel.com>
|
Description:
|
(RO) error code.
|
|
What: /sys/devices/platform/stratix10-rsu.0/retry_counter
|
Date: August 2019
|
KernelVersion: 5.4
|
Contact: Richard Gong <richard.gong@linux.intel.com>
|
Description:
|
(RO) the current image's retry counter, which is used by
|
user to know how many times the images is still allowed
|
to reload itself before giving up and starting RSU
|
fail-over flow.
|
|
What: /sys/devices/platform/stratix10-rsu.0/reboot_image
|
Date: August 2019
|
KernelVersion: 5.4
|
Contact: Richard Gong <richard.gong@linux.intel.com>
|
Description:
|
(WO) the address in flash of image to be loaded on next
|
reboot command.
|
|
What: /sys/devices/platform/stratix10-rsu.0/notify
|
Date: August 2019
|
KernelVersion: 5.4
|
Contact: Richard Gong <richard.gong@linux.intel.com>
|
Description:
|
(WO) client to notify firmware with different actions.
|
|
b[15:0]
|
inform firmware the current software execution
|
stage.
|
|
== ===========================================
|
0 the first stage bootloader didn't run or
|
didn't reach the point of launching second
|
stage bootloader.
|
1 failed in second bootloader or didn't get
|
to the point of launching the operating
|
system.
|
2 both first and second stage bootloader ran
|
and the operating system launch was
|
attempted.
|
== ===========================================
|
|
b[16]
|
== ===========================================
|
1 firmware to reset current image retry
|
counter.
|
0 no action.
|
== ===========================================
|
|
b[17]
|
== ===========================================
|
1 firmware to clear RSU log
|
0 no action.
|
== ===========================================
|
|
b[18]
|
this is negative logic
|
|
== ===========================================
|
1 no action
|
0 firmware record the notify code defined
|
in b[15:0].
|
== ===========================================
|
|
What: /sys/devices/platform/stratix10-rsu.0/dcmf0
|
Date: June 2020
|
KernelVersion: 5.8
|
Contact: Richard Gong <richard.gong@linux.intel.com>
|
Description:
|
(RO) Decision firmware copy 0 version information.
|
|
What: /sys/devices/platform/stratix10-rsu.0/dcmf1
|
Date: June 2020
|
KernelVersion: 5.8
|
Contact: Richard Gong <richard.gong@linux.intel.com>
|
Description:
|
(RO) Decision firmware copy 1 version information.
|
|
What: /sys/devices/platform/stratix10-rsu.0/dcmf2
|
Date: June 2020
|
KernelVersion: 5.8
|
Contact: Richard Gong <richard.gong@linux.intel.com>
|
Description:
|
(RO) Decision firmware copy 2 version information.
|
|
What: /sys/devices/platform/stratix10-rsu.0/dcmf3
|
Date: June 2020
|
KernelVersion: 5.8
|
Contact: Richard Gong <richard.gong@linux.intel.com>
|
Description:
|
(RO) Decision firmware copy 3 version information.
|
|
What: /sys/devices/platform/stratix10-rsu.0/max_retry
|
Date: June 2020
|
KernelVersion: 5.8
|
Contact: Richard Gong <richard.gong@linux.intel.com>
|
Description:
|
(RO) max retry parameter is stored in the firmware
|
decision IO section, as a byte located at offset 0x18c.
|
