mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-05 16:26:39 +07:00
c1f732ad76
This patch adds an interface on sysfs for userspace to request a card bitstream reload. It sets the appropriate register and try to perform a fundamental reset on the PCIe slot for the card to reload the bitstream from the chosen partition. Signed-off-by: Kleber Sacilotto de Souza <klebers@linux.vnet.ibm.com> Acked-by: Frank Haverkamp <haver@linux.vnet.ibm.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
72 lines
2.9 KiB
Plaintext
72 lines
2.9 KiB
Plaintext
What: /sys/class/genwqe/genwqe<n>_card/version
|
|
Date: Oct 2013
|
|
Contact: haver@linux.vnet.ibm.com
|
|
Description: Unique bitstream identification e.g.
|
|
'0000000330336283.00000000475a4950'.
|
|
|
|
What: /sys/class/genwqe/genwqe<n>_card/appid
|
|
Date: Oct 2013
|
|
Contact: haver@linux.vnet.ibm.com
|
|
Description: Identifies the currently active card application e.g. 'GZIP'
|
|
for compression/decompression.
|
|
|
|
What: /sys/class/genwqe/genwqe<n>_card/type
|
|
Date: Oct 2013
|
|
Contact: haver@linux.vnet.ibm.com
|
|
Description: Type of the card e.g. 'GenWQE5-A7'.
|
|
|
|
What: /sys/class/genwqe/genwqe<n>_card/curr_bitstream
|
|
Date: Oct 2013
|
|
Contact: haver@linux.vnet.ibm.com
|
|
Description: Currently active bitstream. 1 is default, 0 is backup.
|
|
|
|
What: /sys/class/genwqe/genwqe<n>_card/next_bitstream
|
|
Date: Oct 2013
|
|
Contact: haver@linux.vnet.ibm.com
|
|
Description: Interface to set the next bitstream to be used.
|
|
|
|
What: /sys/class/genwqe/genwqe<n>_card/reload_bitstream
|
|
Date: May 2014
|
|
Contact: klebers@linux.vnet.ibm.com
|
|
Description: Interface to trigger a PCIe card reset to reload the bitstream.
|
|
sudo sh -c 'echo 1 > \
|
|
/sys/class/genwqe/genwqe0_card/reload_bitstream'
|
|
If successfully, the card will come back with the bitstream set
|
|
on 'next_bitstream'.
|
|
|
|
What: /sys/class/genwqe/genwqe<n>_card/tempsens
|
|
Date: Oct 2013
|
|
Contact: haver@linux.vnet.ibm.com
|
|
Description: Interface to read the cards temperature sense register.
|
|
|
|
What: /sys/class/genwqe/genwqe<n>_card/freerunning_timer
|
|
Date: Oct 2013
|
|
Contact: haver@linux.vnet.ibm.com
|
|
Description: Interface to read the cards free running timer.
|
|
Used for performance and utilization measurements.
|
|
|
|
What: /sys/class/genwqe/genwqe<n>_card/queue_working_time
|
|
Date: Oct 2013
|
|
Contact: haver@linux.vnet.ibm.com
|
|
Description: Interface to read queue working time.
|
|
Used for performance and utilization measurements.
|
|
|
|
What: /sys/class/genwqe/genwqe<n>_card/state
|
|
Date: Oct 2013
|
|
Contact: haver@linux.vnet.ibm.com
|
|
Description: State of the card: "unused", "used", "error".
|
|
|
|
What: /sys/class/genwqe/genwqe<n>_card/base_clock
|
|
Date: Oct 2013
|
|
Contact: haver@linux.vnet.ibm.com
|
|
Description: Base clock frequency of the card.
|
|
|
|
What: /sys/class/genwqe/genwqe<n>_card/device/sriov_numvfs
|
|
Date: Oct 2013
|
|
Contact: haver@linux.vnet.ibm.com
|
|
Description: Enable VFs (1..15):
|
|
sudo sh -c 'echo 15 > \
|
|
/sys/bus/pci/devices/0000\:1b\:00.0/sriov_numvfs'
|
|
Disable VFs:
|
|
Write a 0 into the same sysfs entry.
|