linux-kernel - Re: [PATCH] scsi: use ATA-12 pass-thru for OPAL as fallback

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Message-ID: <20231016132013.GA26925@lst.de>
Date:   Mon, 16 Oct 2023 15:20:13 +0200
From:   Christoph Hellwig <hch@....de>
To:     Milan Broz <gmazyland@...il.com>
Cc:     Christoph Hellwig <hch@....de>, linux-scsi@...r.kernel.org,
        jejb@...ux.ibm.com, martin.petersen@...cle.com,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] scsi: use ATA-12 pass-thru for OPAL as fallback

On Mon, Oct 16, 2023 at 09:24:16AM +0200, Milan Broz wrote:
> I think it is blocked in USB layer as not running command enumeration,
> SCSI SECURITY will be never sent to the adapter through USB.

What is blocked?

>> besides the fact that the statement is fundamentally wrong and you'll
>> start sending ATA command to random devices.
>
> So what do you suggest? As I said, this exactly happen if you configure it from userspace.

If the USB maintainers are fine with it add the translation to
usb-storage as that's where we deal with these quirky devices usually.