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

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On 11/14/19 9:14 AM, Rajashekar, Revanth wrote:
> 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 :)

I'll be happy to queue it up for 5.5, but Scott/Jonathan should
review/ack it first.

-- 
Jens Axboe




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