btrfs: write_dev_flush does not return ENOMEM anymore
[linux/fpc-iii.git] / Documentation / ABI / testing / sysfs-driver-genwqe
blob64ac6d567c4b95eefdb7432a7dab65b3ad7d030d
1 What:           /sys/class/genwqe/genwqe<n>_card/version
2 Date:           Oct 2013
3 Contact:        haver@linux.vnet.ibm.com
4 Description:    Unique bitstream identification e.g.
5                 '0000000330336283.00000000475a4950'.
7 What:           /sys/class/genwqe/genwqe<n>_card/appid
8 Date:           Oct 2013
9 Contact:        haver@linux.vnet.ibm.com
10 Description:    Identifies the currently active card application e.g. 'GZIP'
11                 for compression/decompression.
13 What:           /sys/class/genwqe/genwqe<n>_card/type
14 Date:           Oct 2013
15 Contact:        haver@linux.vnet.ibm.com
16 Description:    Type of the card e.g. 'GenWQE5-A7'.
18 What:           /sys/class/genwqe/genwqe<n>_card/curr_bitstream
19 Date:           Oct 2013
20 Contact:        haver@linux.vnet.ibm.com
21 Description:    Currently active bitstream. 1 is default, 0 is backup.
23 What:           /sys/class/genwqe/genwqe<n>_card/next_bitstream
24 Date:           Oct 2013
25 Contact:        haver@linux.vnet.ibm.com
26 Description:    Interface to set the next bitstream to be used.
28 What:           /sys/class/genwqe/genwqe<n>_card/reload_bitstream
29 Date:           May 2014
30 Contact:        klebers@linux.vnet.ibm.com
31 Description:    Interface to trigger a PCIe card reset to reload the bitstream.
32                   sudo sh -c 'echo 1 > \
33                     /sys/class/genwqe/genwqe0_card/reload_bitstream'
34                 If successfully, the card will come back with the bitstream set
35                 on 'next_bitstream'.
37 What:           /sys/class/genwqe/genwqe<n>_card/tempsens
38 Date:           Oct 2013
39 Contact:        haver@linux.vnet.ibm.com
40 Description:    Interface to read the cards temperature sense register.
42 What:           /sys/class/genwqe/genwqe<n>_card/freerunning_timer
43 Date:           Oct 2013
44 Contact:        haver@linux.vnet.ibm.com
45 Description:    Interface to read the cards free running timer.
46                 Used for performance and utilization measurements.
48 What:           /sys/class/genwqe/genwqe<n>_card/queue_working_time
49 Date:           Oct 2013
50 Contact:        haver@linux.vnet.ibm.com
51 Description:    Interface to read queue working time.
52                 Used for performance and utilization measurements.
54 What:           /sys/class/genwqe/genwqe<n>_card/state
55 Date:           Oct 2013
56 Contact:        haver@linux.vnet.ibm.com
57 Description:    State of the card: "unused", "used", "error".
59 What:           /sys/class/genwqe/genwqe<n>_card/base_clock
60 Date:           Oct 2013
61 Contact:        haver@linux.vnet.ibm.com
62 Description:    Base clock frequency of the card.
64 What:           /sys/class/genwqe/genwqe<n>_card/device/sriov_numvfs
65 Date:           Oct 2013
66 Contact:        haver@linux.vnet.ibm.com
67 Description:    Enable VFs (1..15):
68                   sudo sh -c 'echo 15 > \
69                     /sys/bus/pci/devices/0000\:1b\:00.0/sriov_numvfs'
70                 Disable VFs:
71                   Write a 0 into the same sysfs entry.