Re: [PATCH 02/14] target: Add DIF CHECK_CONDITION ASC/ASCQ exception cases

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On Thu, 2014-01-09 at 12:43 +0200, Sagi Grimberg wrote:
> On 1/8/2014 10:36 PM, Nicholas A. Bellinger wrote:
> > From: Nicholas Bellinger <nab@xxxxxxxxxxxxxxx>
> >
> > This patch adds support for DIF related CHECK_CONDITION ASC/ASCQ
> > exception cases into transport_send_check_condition_and_sense().
> >
> > This includes:
> >
> >    LOGICAL BLOCK GUARD CHECK FAILED
> >    LOGICAL BLOCK APPLICATION TAG CHECK FAILED
> >    LOGICAL BLOCK REFERENCE TAG CHECK FAILED
> >
> > that used by DIF TYPE1 and TYPE3 failure cases.
> >
> > Cc: Martin K. Petersen <martin.petersen@xxxxxxxxxx>
> > Cc: Christoph Hellwig <hch@xxxxxx>
> > Cc: Hannes Reinecke <hare@xxxxxxx>
> > Cc: Sagi Grimberg <sagig@xxxxxxxxxxxx>
> > Cc: Or Gerlitz <ogerlitz@xxxxxxxxxxxx>
> > Signed-off-by: Nicholas Bellinger <nab@xxxxxxxxxxxxxxx>
> > ---
> >   drivers/target/target_core_transport.c |   30 ++++++++++++++++++++++++++++++
> >   include/target/target_core_base.h      |    3 +++
> >   2 files changed, 33 insertions(+)
> >
> > diff --git a/drivers/target/target_core_transport.c b/drivers/target/target_core_transport.c
> > index 91953da..707ee17 100644
> > --- a/drivers/target/target_core_transport.c
> > +++ b/drivers/target/target_core_transport.c
> > @@ -2648,6 +2648,36 @@ transport_send_check_condition_and_sense(struct se_cmd *cmd,
> >   		buffer[SPC_ASC_KEY_OFFSET] = 0x1d;
> >   		buffer[SPC_ASCQ_KEY_OFFSET] = 0x00;
> >   		break;
> > +	case TCM_LOGICAL_BLOCK_GUARD_CHECK_FAILED:
> > +		/* CURRENT ERROR */
> > +		buffer[0] = 0x70;
> > +		buffer[SPC_ADD_SENSE_LEN_OFFSET] = 10;
> > +		/* ILLEGAL REQUEST */
> > +		buffer[SPC_SENSE_KEY_OFFSET] = ILLEGAL_REQUEST;
> > +		/* LOGICAL BLOCK GUARD CHECK FAILED */
> > +		buffer[SPC_ASC_KEY_OFFSET] = 0x10;
> > +		buffer[SPC_ASCQ_KEY_OFFSET] = 0x01;
> 
> You have Enums for ASCQs (TARGET_GUARD_CHECK_FAILED, 
> TARGET_APPTAG_CHECK_FAILED, TARGET_REFTAG_CHECK_FAILED). either use them 
> or loose them.

<nod>, dropping these extra definitions.

--nab

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