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

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Message-ID: <ec5bed6f-195f-486c-8905-bf63c663c212@cybernetics.com>
Date: Thu, 25 Sep 2025 13:00:47 -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 12:04, Tony Battersby wrote:
> 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
>
This is what I found by checking the PCI IDs on some of my HBAs:

not affected
QLE2672 16 Gbps ISP2031 8.08.231 FW

affected
QLE2694 16 Gpbs ISP2071 (tested)
QLE2742 32 Gbps ISP2261 (not tested)
QLE2872 64 Gpbs ISP2281 (not tested)

So the following check should cover them:

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

Tony