From: Tomas Henzl <thenzl@redhat.com>
To: Suganath Prabu S <suganath-prabu.subramani@broadcom.com>,
JBottomley@Parallels.com, jejb@kernel.org, hch@infradead.org
Cc: martin.petersen@oracle.com, linux-scsi@vger.kernel.org,
Sathya.Prakash@broadcom.com, kashyap.desai@broadcom.com,
krishnaraddi.mankani@broadcom.com, linux-kernel@vger.kernel.org,
chaitra.basappa@broadcom.com, sreekanth.reddy@broadcom.com
Subject: Re: [PATCH 08/10] mpt3sas: set EEDP-escape-flags for SAS35 devices.
Date: Tue, 25 Oct 2016 16:42:51 +0200 [thread overview]
Message-ID: <c0339732-87af-9dac-c65e-2da94396a3a8@redhat.com> (raw)
In-Reply-To: <1476966018-10457-9-git-send-email-suganath-prabu.subramani@broadcom.com>
On 20.10.2016 14:20, Suganath Prabu S wrote:
> An UNMAP command on a PI formatted device will leave the Logical Block
> Application Tag and Logical Block Reference Tag as all F's (for those LBAs
> that are unmapped). To avoid IO errors if those LBAs are subsequently read
> before they are written with valid tag fields, the MPI SCSI IO requests
> need to set the EEDPFlags element EEDP Escape Mode field, Bits [7:6]
> appropriately. A value of 2 should be set to disable all PI checks if the
> Logical Block Application Tag is 0xFFFF for PI types 1 and 2. A value
> of 3 should be set to disable all PI checks if the Logical Block
> Application Tag is 0xFFFF and the Logical Block Reference Tag is
> 0xFFFFFFFF for PI type 3.
>
> Signed-off-by: Chaitra P B <chaitra.basappa@broadcom.com>
> Signed-off-by: Sathya Prakash <sathya.prakash@broadcom.com>
> Signed-off-by: Suganath Prabu S <suganath-prabu.subramani@broadcom.com>
Reviewed-by: Tomas Henzl <thenzl@redhat.com>
Tomas
next prev parent reply other threads:[~2016-10-25 14:42 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-10-20 12:20 [PATCH 00/10] mpt3sas driver Enhancements and Suganath Prabu S
2016-10-20 12:20 ` [PATCH 01/10] mpt3sas: Fix for improper info displayed in var log, while blocking or unblocking the device Suganath Prabu S
2016-10-24 14:44 ` Hannes Reinecke
2016-10-25 14:37 ` Tomas Henzl
2016-10-20 12:20 ` [PATCH 02/10] mpt3sas: Fix for incorrect numbers for MSIX vectors enabled when non RDPQ card is enumerated first Suganath Prabu S
2016-10-24 14:44 ` Hannes Reinecke
2016-10-25 14:38 ` Tomas Henzl
2016-10-20 12:20 ` [PATCH 03/10] mpt3sas: Implement device_remove_in_progress check in IOCTL path Suganath Prabu S
2016-10-24 14:47 ` Hannes Reinecke
2016-10-25 9:19 ` Suganath Prabu Subramani
2016-10-25 9:51 ` Hannes Reinecke
2016-10-25 10:36 ` Suganath Prabu Subramani
2016-10-20 12:20 ` [PATCH 04/10] mpt3sas: Removing unused macro "MPT_DEVICE_TLR_ON" Suganath Prabu S
2016-10-24 14:47 ` Hannes Reinecke
2016-10-25 14:38 ` Tomas Henzl
2016-10-20 12:20 ` [PATCH 05/10] mpt3sas: Bump driver version as "14.100.00.00" Suganath Prabu S
2016-10-24 14:48 ` Hannes Reinecke
2016-10-20 12:20 ` [PATCH 06/10] mpt3sas: Added Device ID's for SAS35 devices and updated MPI header Suganath Prabu S
2016-10-24 14:49 ` Hannes Reinecke
2016-10-25 14:40 ` Tomas Henzl
2016-10-20 12:20 ` [PATCH 07/10] mpt3sas: Increased/Additional MSIX support for SAS35 devices Suganath Prabu S
2016-10-24 14:50 ` Hannes Reinecke
2016-10-25 14:41 ` Tomas Henzl
2016-10-20 12:20 ` [PATCH 08/10] mpt3sas: set EEDP-escape-flags " Suganath Prabu S
2016-10-24 14:51 ` Hannes Reinecke
2016-10-25 14:42 ` Tomas Henzl [this message]
2016-10-20 12:20 ` [PATCH 09/10] mpt3sas: Use the new MPI 2.6 32-bit Atomic Request Descriptors " Suganath Prabu S
2016-10-24 14:52 ` Hannes Reinecke
2016-10-25 14:47 ` Tomas Henzl
2016-10-20 12:20 ` [PATCH 10/10] mpt3sas: Fix for Endianness issue Suganath Prabu S
2016-10-24 14:53 ` Hannes Reinecke
2016-10-25 14:48 ` Tomas Henzl
2016-10-25 1:17 ` [PATCH 00/10] mpt3sas driver Enhancements and Martin K. Petersen
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