SBP-3 Revision 2d published
PJohansson at acm.org
Thu Feb 27 21:23:22 PST 2003
* From the T10 Reflector (t10 at t10.org), posted by:
* Peter Johansson <PJohansson at ACM.org>
The most recent revision of the SBP-3 working draft is available for
download from ftp://ftp.t10.org/t10/drafts/sbp3/sbp3r02d.pdf. If FTP
doesn't work for you, aim your browser at http://www.t10.org/.
The following summary of changes is taken from the revision history in the
*** An extended status block format has been defined; it permits a maximum
of 512 status bytes to be returned by target logical units. The login ORB
has been modified to permit the initiator to enable the extended status
block format. The configuration ROM Logical_Unit_Number entry has been
modified so that a logical unit may advertise its extended status block
*** Logical units that implement command sets that utilize both single and
dual buffer descriptor command ORBs shall not reject these ORBs with an
sbp_status of request type not supported. Instead, they shall be able to
parse both ORB formats and deliver the command to the device, which shall
then indicate its success or failure by command set-dependent means.
*** Rules that specify the order and presence of page table data when a
dual buffer descriptor command block ORB references two page tables have
been added to description of the FAST_START register.
*** The description of the ORB_size field in the Unit_Characteristics entry
has been clarified; it applies to the largest ORB fetched by any of the
target's logical units. The ORB_size field does not apply to management
ORBs, who size is fixed at 32 bytes.
*** Added configuration ROM Plug_Control_Register entry as specified by
*** An informative clause has been added to section 9 that describes how
target fetch agents should parse ORBs and page tables, whether read from
the initiator's system memory or written to the target's FAST_START register.
*** The distinction between interim and completion status has been
clarified in 9.4.
After completion of the page-turner review in Dallas, we hope to recommend
that T10 conduct a Letter Ballot to forward the document to its first
Project Leader, SBP-3
Congruent Software, Inc.
98 Colorado Avenue
Berkeley, CA 94707
(510) 527-3856 FAX
PJohansson at ACM.org
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