Re: [PATCH] block: sed-opal: Introduce SUM_SET_LIST parameter and append it using 'add_token_u64'

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Hi,

On 11/8/2019 4:09 PM, Revanth Rajashekar wrote:
> In function 'activate_lsp', rather than hard-coding the
> short atom header(0x83), we need to let the function
> 'add_short_atom_header' append the header based on the
> parameter being appended.
>
> The paramete has been defined in Section 3.1.2.1 of
> https://trustedcomputinggroup.org/wp-content/uploads/TCG_Storage-Opal_Feature_Set_Single_User_Mode_v1-00_r1-00-Final.pdf
>
> Signed-off-by: Revanth Rajashekar <revanth.rajashekar@xxxxxxxxx>
> ---
>  block/opal_proto.h | 4 ++++
>  block/sed-opal.c   | 6 +-----
>  2 files changed, 5 insertions(+), 5 deletions(-)
>
> diff --git a/block/opal_proto.h b/block/opal_proto.h
> index 736e67c3e7c5..325cbba2465f 100644
> --- a/block/opal_proto.h
> +++ b/block/opal_proto.h
> @@ -205,6 +205,10 @@ enum opal_lockingstate {
>  	OPAL_LOCKING_LOCKED = 0x03,
>  };
>  
> +enum opal_parameter {
> +	OPAL_SUM_SET_LIST = 0x060000,
> +};
> +
>  /* Packets derived from:
>   * TCG_Storage_Architecture_Core_Spec_v2.01_r1.00
>   * Secion: 3.2.3 ComPackets, Packets & Subpackets
> diff --git a/block/sed-opal.c b/block/sed-opal.c
> index b2cacc9ddd11..880cc57a5f6b 100644
> --- a/block/sed-opal.c
> +++ b/block/sed-opal.c
> @@ -1886,7 +1886,6 @@ static int activate_lsp(struct opal_dev *dev, void *data)
>  {
>  	struct opal_lr_act *opal_act = data;
>  	u8 user_lr[OPAL_UID_LENGTH];
> -	u8 uint_3 = 0x83;
>  	int err, i;
>  
>  	err = cmd_start(dev, opaluid[OPAL_LOCKINGSP_UID],
> @@ -1899,10 +1898,7 @@ static int activate_lsp(struct opal_dev *dev, void *data)
>  			return err;
>  
>  		add_token_u8(&err, dev, OPAL_STARTNAME);
> -		add_token_u8(&err, dev, uint_3);
> -		add_token_u8(&err, dev, 6);
> -		add_token_u8(&err, dev, 0);
> -		add_token_u8(&err, dev, 0);
> +		add_token_u64(&err, dev, OPAL_SUM_SET_LIST);
>  
>  		add_token_u8(&err, dev, OPAL_STARTLIST);
>  		add_token_bytestring(&err, dev, user_lr, OPAL_UID_LENGTH);

Kind remainder to review this patch and throw your comments if any :)

Thank you

Revanth Rajashekar




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