tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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linux
1What: /sys/class/genwqe/genwqe<n>_card/version
2Date: Oct 2013
3Contact: haver@linux.vnet.ibm.com
4Description: Unique bitstream identification e.g.
5 '0000000330336283.00000000475a4950'.
6
7What: /sys/class/genwqe/genwqe<n>_card/appid
8Date: Oct 2013
9Contact: haver@linux.vnet.ibm.com
10Description: Identifies the currently active card application e.g. 'GZIP'
11 for compression/decompression.
12
13What: /sys/class/genwqe/genwqe<n>_card/type
14Date: Oct 2013
15Contact: haver@linux.vnet.ibm.com
16Description: Type of the card e.g. 'GenWQE5-A7'.
17
18What: /sys/class/genwqe/genwqe<n>_card/curr_bitstream
19Date: Oct 2013
20Contact: haver@linux.vnet.ibm.com
21Description: Currently active bitstream. 1 is default, 0 is backup.
22
23What: /sys/class/genwqe/genwqe<n>_card/next_bitstream
24Date: Oct 2013
25Contact: haver@linux.vnet.ibm.com
26Description: Interface to set the next bitstream to be used.
27
28What: /sys/class/genwqe/genwqe<n>_card/reload_bitstream
29Date: May 2014
30Contact: klebers@linux.vnet.ibm.com
31Description: Interface to trigger a PCIe card reset to reload the bitstream.
32
33 ::
34
35 sudo sh -c 'echo 1 > \
36 /sys/class/genwqe/genwqe0_card/reload_bitstream'
37
38 If successfully, the card will come back with the bitstream set
39 on 'next_bitstream'.
40
41What: /sys/class/genwqe/genwqe<n>_card/tempsens
42Date: Oct 2013
43Contact: haver@linux.vnet.ibm.com
44Description: Interface to read the cards temperature sense register.
45
46What: /sys/class/genwqe/genwqe<n>_card/freerunning_timer
47Date: Oct 2013
48Contact: haver@linux.vnet.ibm.com
49Description: Interface to read the cards free running timer.
50 Used for performance and utilization measurements.
51
52What: /sys/class/genwqe/genwqe<n>_card/queue_working_time
53Date: Oct 2013
54Contact: haver@linux.vnet.ibm.com
55Description: Interface to read queue working time.
56 Used for performance and utilization measurements.
57
58What: /sys/class/genwqe/genwqe<n>_card/state
59Date: Oct 2013
60Contact: haver@linux.vnet.ibm.com
61Description: State of the card: "unused", "used", "error".
62
63What: /sys/class/genwqe/genwqe<n>_card/base_clock
64Date: Oct 2013
65Contact: haver@linux.vnet.ibm.com
66Description: Base clock frequency of the card.
67
68What: /sys/class/genwqe/genwqe<n>_card/device/sriov_numvfs
69Date: Oct 2013
70Contact: haver@linux.vnet.ibm.com
71Description: Enable VFs (1..15)::
72
73 sudo sh -c 'echo 15 > \
74 /sys/bus/pci/devices/0000\:1b\:00.0/sriov_numvfs'
75
76 Disable VFs::
77
78 Write a 0 into the same sysfs entry.