Linux SCSI subsystem development
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From: "Martin K. Petersen" <martin.petersen@oracle.com>
To: Roman Bolshakov <r.bolshakov@yadro.com>
Cc: Bart Van Assche <bvanassche@acm.org>,
	"Martin K . Petersen" <martin.petersen@oracle.com>,
	"James E . J . Bottomley" <jejb@linux.vnet.ibm.com>,
	<linux-scsi@vger.kernel.org>, Nilesh Javali <njavali@marvell.com>,
	Himanshu Madhani <hmadhani@marvell.com>,
	Quinn Tran <qutran@marvell.com>, Martin Wilck <mwilck@suse.com>,
	Daniel Wagner <dwagner@suse.de>
Subject: Re: [PATCH] qla2xxx: Increase the size of struct qla_fcp_prio_cfg to FCP_PRIO_CFG_SIZE
Date: Mon, 13 Apr 2020 22:24:37 -0400	[thread overview]
Message-ID: <yq11roqu7mi.fsf@oracle.com> (raw)
In-Reply-To: <20200413153049.GA8042@SPB-NB-133.local> (Roman Bolshakov's message of "Mon, 13 Apr 2020 18:30:49 +0300")


Roman,

>> -	struct qla_fcp_prio_entry entry[1];     /* fcp priority entries  */
>> +	struct qla_fcp_prio_entry entry[1023]; /* fcp priority entries  */
>>  #define FCP_PRIO_CFG_ENTRY_SIZE 0x20
>> +	uint8_t  reserved2[16];
>>  };
>>  
>>  #define FCP_PRIO_CFG_SIZE       (32*1024) /* fcp prio data per port*/
>
> A new constant may be introduced to define size of qla_fcp_prio_entry.
> That would let to drop the magic 32 number here and allow to add one
> more BUILD_BUG_ON for sizeof(struct qla_fcp_prio_entry).

I agree that additional sanity testing here would be nice.

I wonder what the firmware interface says about the runt entry?

-- 
Martin K. Petersen	Oracle Linux Engineering

  reply	other threads:[~2020-04-14  2:24 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-04-05 23:13 [PATCH] qla2xxx: Increase the size of struct qla_fcp_prio_cfg to FCP_PRIO_CFG_SIZE Bart Van Assche
2020-04-06  7:39 ` Daniel Wagner
2020-04-06 14:54 ` Himanshu Madhani
2020-04-13 15:30 ` Roman Bolshakov
2020-04-14  2:24   ` Martin K. Petersen [this message]
2020-04-14 11:49     ` Roman Bolshakov
2020-04-14  3:56   ` Bart Van Assche
2020-04-14 11:45     ` Roman Bolshakov

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