diff options
Diffstat (limited to 'Documentation/s390')
| -rw-r--r-- | Documentation/s390/00-INDEX | 8 | ||||
| -rw-r--r-- | Documentation/s390/qeth.txt | 50 |
2 files changed, 55 insertions, 3 deletions
diff --git a/Documentation/s390/00-INDEX b/Documentation/s390/00-INDEX index 3a2b96302ecc..10c874ebdfe5 100644 --- a/Documentation/s390/00-INDEX +++ b/Documentation/s390/00-INDEX @@ -16,11 +16,13 @@ Debugging390.txt - hints for debugging on s390 systems. driver-model.txt - information on s390 devices and the driver model. +kvm.txt + - ioctl calls to /dev/kvm on s390. monreader.txt - information on accessing the z/VM monitor stream from Linux. +qeth.txt + - HiperSockets Bridge Port Support. s390dbf.txt - information on using the s390 debug feature. -TAPE - - information on the driver for channel-attached tapes. -zfcpdump +zfcpdump.txt - information on the s390 SCSI dump tool. diff --git a/Documentation/s390/qeth.txt b/Documentation/s390/qeth.txt new file mode 100644 index 000000000000..74122ada9949 --- /dev/null +++ b/Documentation/s390/qeth.txt @@ -0,0 +1,50 @@ +IBM s390 QDIO Ethernet Driver + +HiperSockets Bridge Port Support + +Uevents + +To generate the events the device must be assigned a role of either +a primary or a secondary Bridge Port. For more information, see +"z/VM Connectivity, SC24-6174". + +When run on HiperSockets Bridge Capable Port hardware, and the state +of some configured Bridge Port device on the channel changes, a udev +event with ACTION=CHANGE is emitted on behalf of the corresponding +ccwgroup device. The event has the following attributes: + +BRIDGEPORT=statechange - indicates that the Bridge Port device changed + its state. + +ROLE={primary|secondary|none} - the role assigned to the port. + +STATE={active|standby|inactive} - the newly assumed state of the port. + +When run on HiperSockets Bridge Capable Port hardware with host address +notifications enabled, a udev event with ACTION=CHANGE is emitted. +It is emitted on behalf of the corresponding ccwgroup device when a host +or a VLAN is registered or unregistered on the network served by the device. +The event has the following attributes: + +BRIDGEDHOST={reset|register|deregister|abort} - host address + notifications are started afresh, a new host or VLAN is registered or + deregistered on the Bridge Port HiperSockets channel, or address + notifications are aborted. + +VLAN=numeric-vlan-id - VLAN ID on which the event occurred. Not included + if no VLAN is involved in the event. + +MAC=xx:xx:xx:xx:xx:xx - MAC address of the host that is being registered + or deregistered from the HiperSockets channel. Not reported if the + event reports the creation or destruction of a VLAN. + +NTOK_BUSID=x.y.zzzz - device bus ID (CSSID, SSID and device number). + +NTOK_IID=xx - device IID. + +NTOK_CHPID=xx - device CHPID. + +NTOK_CHID=xxxx - device channel ID. + +Note that the NTOK_* attributes refer to devices other than the one +connected to the system on which the OS is running. |