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Message-Id: <1232961189.24642.138.camel@haakon2.linux-iscsi.org>
Date: Mon, 26 Jan 2009 01:13:09 -0800
From: "Nicholas A. Bellinger" <nab@...ux-iscsi.org>
To: James Bottomley <James.Bottomley@...senPartnership.com>
Cc: "Linux-iSCSI.org Target Dev"
<linux-iscsi-target-dev@...glegroups.com>,
LKML <linux-kernel@...r.kernel.org>,
linux-scsi <linux-scsi@...r.kernel.org>,
Matthew Wilcox <willy@...ian.org>,
"Martin K. Petersen" <martin.petersen@...cle.com>
Subject: Re: [PATCH 1/4] [Linux/SCSI] Add support for SPC-4 CDBs referenced
in Persisent Reservations Allowed/Confict Table
On Sun, 2009-01-25 at 15:06 -0600, James Bottomley wrote:
> On Thu, 2009-01-22 at 00:23 -0800, Nicholas A. Bellinger wrote:
> > >From c177bb7ba55227d809d85aca3a9d4281e554f718 Mon Sep 17 00:00:00 2001
> > From: Nicholas Bellinger <nab@...ux-iscsi.org>
> > Date: Wed, 21 Jan 2009 22:13:00 -0800
> > Subject: [PATCH 1/4] [Linux/SCSI] Add support for SPC-4 CDBs referenced in Persisent Reservations Allowed/Confict Table
> >
> > This path adds support for a handful of SPC-4 CDBs, and fills out the MI_* and MO_* prefixed
> > service action codes for MAINTENANCE_IN and MAINTENANCE_OUT operations.
> >
> > This information is from spc4r17 and Table D.4 for MI_ and MO_ prefixed defs.
> >
> > Signed-off-by: Nicholas A. Bellinger <nab@...ux-iscsi.org>
>
> These additions look reasonable, there are just a few semantic problems:
>
> > include/scsi/scsi.h | 22 ++++++++++++++++++++++
> > 1 files changed, 22 insertions(+), 0 deletions(-)
> >
> > diff --git a/include/scsi/scsi.h b/include/scsi/scsi.h
> > index a109165..93af6ce 100644
> > --- a/include/scsi/scsi.h
> > +++ b/include/scsi/scsi.h
> > @@ -104,30 +104,52 @@
> > #define PERSISTENT_RESERVE_IN 0x5e
> > #define PERSISTENT_RESERVE_OUT 0x5f
> > #define VARIABLE_LENGTH_CMD 0x7f
> > +#define RECEIVE_CREDENTIAL 0x7f // spc4r17 section 6.9 Table 204
>
> Actually 0x7f isn't receive credentials, that's VARIABLE_LENGTH_CMD
> (definition above) with a Service Action of 0x1800 ... it needs to be
> done something like READ CAPACITY(16) is
>
Ugh, this is what I thought.. I will fix and repost with complete
SAI_* defines..
Many thanks for your most valuable of time,
--nab
> > #define REPORT_LUNS 0xa0
> > +#define SECURITY_PROTOCOL_IN 0xa2
> > #define MAINTENANCE_IN 0xa3
> > #define MAINTENANCE_OUT 0xa4
> > #define MOVE_MEDIUM 0xa5
> > #define EXCHANGE_MEDIUM 0xa6
> > #define READ_12 0xa8
> > #define WRITE_12 0xaa
> > +#define READ_MEDIA_SERIAL_NUMBER 0xab
> > #define WRITE_VERIFY_12 0xae
> > #define SEARCH_HIGH_12 0xb0
> > #define SEARCH_EQUAL_12 0xb1
> > #define SEARCH_LOW_12 0xb2
> > +#define SECURITY_PROTOCOL_OUT 0xb5
> > #define READ_ELEMENT_STATUS 0xb8
> > #define SEND_VOLUME_TAG 0xb6
> > #define WRITE_LONG_2 0xea
> > +#define EXTENDED_COPY 0x83
> > +#define RECEIVE_COPY_RESULTS 0x84
> > +#define ACCESS_CONTROL_IN 0x86
> > +#define ACCESS_CONTROL_OUT 0x87
> > #define READ_16 0x88
> > #define WRITE_16 0x8a
> > +#define READ_ATTRIBUTE 0x8c
> > +#define WRITE_ATTRIBUTE 0x8d
> > #define VERIFY_16 0x8f
> > #define SERVICE_ACTION_IN 0x9e
> > /* values for service action in */
> > #define SAI_READ_CAPACITY_16 0x10
>
> Here ^^^^^
>
> James
>
>
> --
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