linux-kernel - Re: [PATCH 14/15] scsi: qla2xxx: add back SRR support

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Message-ID: <46422ab9-9088-4d9c-b93d-31083f8b9398@cybernetics.com>
Date: Thu, 25 Sep 2025 12:04:41 -0400
From: Tony Battersby <tonyb@...ernetics.com>
To: Xose Vazquez Perez <xose.vazquez@...il.com>,
 Nilesh Javali <njavali@...vell.com>, GR-QLogic-Storage-Upstream@...vell.com,
 "James E.J. Bottomley" <James.Bottomley@...senPartnership.com>,
 "Martin K. Petersen" <martin.petersen@...cle.com>
Cc: linux-scsi <linux-scsi@...r.kernel.org>, target-devel@...r.kernel.org,
 scst-devel@...ts.sourceforge.net, KERNEL ML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 14/15] scsi: qla2xxx: add back SRR support

On 9/25/25 11:30, Xose Vazquez Perez wrote:
> On 9/25/25 2:49 PM, Xose Vazquez Perez wrote:
>
>> If you want to review the firmware changelog, mainly: FCD-1183 (FCD-371, ER147301), FCD-259, ER146998
>> (from 9.00.00 to 9.15.05 [06/10/25]):
>> https://www.marvell.com/content/dam/marvell/en/drivers/2025-06-10-release/fw_release_notes/Fibre_Channel_Firmware_Release_Notes.pdf
>>
>> It's look like all 2{678}xx devices/chips are affected by this bug.
>> Perhaps the Marvel crew could provide more information on this.
> 267x, or older, is still on 8.08, so apparently it's free of this bug:
> https://www.marvell.com/content/dam/marvell/en/drivers/release-matrix/release-matrix-qlogic-fc-sw-posting-by-release-matrix.pdf
>
> 2870 / 2770 :        9.15.06 FW
> 2740 / 2760 / 269x : 9.15.01 FW
> 267x :               8.08.231 FW

I am still trying to figure out what macros to use to test for the
affected HBAs.  So far I have:

if (IS_QLA27XX(ha) || IS_QLA28XX(ha))

But all the ISP numbers are pretty confusing.  I have a number of 8, 16,
32, and 64 Gbps HBAs lying around to test, but I am sure I don't have
every possible model.

There are a number of items under "Changes and Fixes from v9.08.00 to
v9.09.00" that might be related to the problem that I was experiencing. 
For example FCD-1076 sounds similar except that the SRR problem was with
the CTIO queue rather than the ATIO queue.  I could expand the "bad
firmware" versions to include v9.04.00 - v9.08.00, since v9.04.00
introduced ER147301 and v9.09.00 fixed FCD-1183.

Thanks,
Tony