Re: [RFC PATCH 6/6] usb-storage,uas: Disable security commands (OPAL) for RT9210 chip family

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On Fri, Oct 06, 2023 at 02:54:45PM +0200, Milan Broz wrote:
> Realtek 9210 family (NVME to USB bridge) adapters always set
> the write-protected bit for the whole drive if an OPAL locking range
> is defined (even if the OPAL locking range just covers part of the disk).
> 
> The only way to recover is PSID reset and physical reconnection of the device.
> 
> This looks like a wrong implementation of OPAL standard (and I will try
> to report it to Realtek as it happens for all firmware versions I have),
> but for now, these adapters are unusable for OPAL.
> 
> Signed-off-by: Milan Broz <gmazyland@xxxxxxxxx>
> ---
>  drivers/usb/storage/unusual_devs.h | 11 +++++++++++
>  drivers/usb/storage/unusual_uas.h  | 11 +++++++++++
>  2 files changed, 22 insertions(+)
> 
> diff --git a/drivers/usb/storage/unusual_devs.h b/drivers/usb/storage/unusual_devs.h
> index 20dcbccb290b..b7c0df180e5d 100644
> --- a/drivers/usb/storage/unusual_devs.h
> +++ b/drivers/usb/storage/unusual_devs.h
> @@ -1476,6 +1476,17 @@ UNUSUAL_DEV( 0x0bc2, 0x3332, 0x0000, 0x9999,
>  		USB_SC_DEVICE, USB_PR_DEVICE, NULL,
>  		US_FL_NO_WP_DETECT ),
>  
> +/*
> + * Realtek 9210 family set global write-protection flag
> + * for any OPAL locking range making device unusable
> + * Reported-by: Milan Broz <gmazyland@xxxxxxxxx>
> + */
> +UNUSUAL_DEV( 0x0bda, 0x9210, 0x0000, 0xffff,
> +		"Realtek",
> +		"",

Doesn't Realtek have some sort of product name you can put here?

> +		USB_SC_DEVICE, USB_PR_DEVICE, NULL,
> +		US_FL_IGNORE_OPAL),
> +
>  UNUSUAL_DEV(  0x0d49, 0x7310, 0x0000, 0x9999,
>  		"Maxtor",
>  		"USB to SATA",
> diff --git a/drivers/usb/storage/unusual_uas.h b/drivers/usb/storage/unusual_uas.h
> index 1f8c9b16a0fb..71ab824bfb32 100644
> --- a/drivers/usb/storage/unusual_uas.h
> +++ b/drivers/usb/storage/unusual_uas.h
> @@ -185,3 +185,14 @@ UNUSUAL_DEV(0x4971, 0x8024, 0x0000, 0x9999,
>  		"External HDD",
>  		USB_SC_DEVICE, USB_PR_DEVICE, NULL,
>  		US_FL_ALWAYS_SYNC),
> +
> +/*
> + * Realtek 9210 family set global write-protection flag
> + * for any OPAL locking range making device unusable
> + * Reported-by: Milan Broz <gmazyland@xxxxxxxxx>
> + */
> +UNUSUAL_DEV(0x0bda, 0x9210, 0x0000, 0xffff,
> +		"Realtek",
> +		"",
> +		USB_SC_DEVICE, USB_PR_DEVICE, NULL,
> +		US_FL_IGNORE_OPAL),

This entry is not in the right position.  The file is supposed to be 
sorted by vendor ID, then product ID.

Alan Stern



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