Re: [PATCH v4 1/1] scsi: ufs: core: add device level exception support

[Bart Van Assche]

On 3/27/25 5:45 PM, Bao D. Nguyen wrote:
> Thanks Bart. How about we change the current utp_upiu_query_v4_0 to
>
> struct utp_upiu_query_v4_0 {
>          __u8 opcode;
>          __u8 idn;
>          __u8 index;
>          __u8 selector;
>          __u8 cmd_specifics[8];
>          /* private: */
>          __be32 reserved;
> };
>
> Depending on the opcode/transaction, the cmd_specifics[] can be type 
> casted to access the LENGTH, FLAG_VALUE, VALUE[0:63] fields of the QUERY 
> UPIU. The __u8 array[8] would also prevent the compiler padding to the 
> data.

Are there any user space applications that use the osf3/4/5/6/7 member
names? Has it been considered to preserve these by introducing a union?

Thanks,

Bart.