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minor flag-day: libdevinfo and SCSA changes

Date: Wed, 14 May 2008 05:05:19 -0600
From: Chris Horne <Chris.Horne at sun dot com>
To: onnv-gate at onnv dot eng dot sun dot com, on-all at eng dot sun dot com
Subject: minor flag-day: libdevinfo and SCSA changes

The putback of

  PSARC/2008/077 Multiplexed I/O Enhancements to Support FMA

is a minor flag day for (Cap-Eye) Install users: to ensure intended
libdevinfo interface use, please bfu.

This putback also includes SCSA code to verify correct scsi_pkt(9S)
allocation methods.  If you have FC disks and your base nevada install
is older than snv_83, you may see the following message:

  WARNING: fp: violates DDI scsi_pkt(9S) allocation rules

For systems with qus HBAs (EOL pending), you may see CR5039942:

  WARNING: qus: violates DDI scsi_pkt(9S) allocation rules

With a debug kernel, under special circumstances (private iscsi
HBA-level uscsi(7I) API) you may also see CR6701665:

  WARNING: iscsi: violates DDI scsi_pkt(9S) allocation rules

These are just a warnings, nothing should break.  For 'fp', consider
updating to newer nws consolidation bits.  Fixes for 'qus' and 'iscsi',
also in the nws consolidation, are pending.

If you see any other HBAs identified in messages of this form, please
file a CR.

-Chris