Driver messages for Emulex card

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hi,

i am seeing many messages with related to Emulex card.
can someone please explain what is meaning of different DSM in/out states:

Sep 6 14:27:38 ibmx3550-229-141 kernel: lpfc 0000:1a:00.0: 0:(0):0212 DSM out state 7/3/4/8 on NPort x5090b Data: x80000000
Sep 6 14:27:38 ibmx3550-229-141 kernel: lpfc 0000:1a:00.0: 0:(0):0211 DSM in event xa/xc/x7 on NPort x5090a in state 3 Data: x0
Sep 6 14:27:38 ibmx3550-229-141 kernel: lpfc 0000:1a:00.0: 0:(0):0116 Xmit ELS command x14001020 to remote NPORT x5090a I/O tag: x564, port state:x20 fc_flag:x134

AK

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