Bart,
> -----Original Message-----
> From: Bart Van Assche <bvanassche@xxxxxxx>
> Sent: Wednesday, September 8, 2021 11:58 PM
> To: Nilesh Javali <njavali@xxxxxxxxxxx>; martin.petersen@xxxxxxxxxx
> Cc: linux-scsi@xxxxxxxxxxxxxxx; GR-QLogic-Storage-Upstream <GR-QLogic-
> Storage-Upstream@xxxxxxxxxxx>; djeffery@xxxxxxxxxx;
> loberman@xxxxxxxxxx
> Subject: [EXT] Re: [PATCH v2 01/10] qla2xxx: Add support for mailbox
> passthru
>
> External Email
>
> ----------------------------------------------------------------------
> On 9/8/21 9:46 AM, Nilesh Javali wrote:
> > +struct qla_mbx_passthru {
> > + uint16_t reserved1[2];
> > + uint16_t mbx_in[32];
> > + uint16_t mbx_out[32];
> > + uint32_t reserved2[16];
> > +} __packed;
>
> Why does this data structure start with 4 reserved bytes?
Specifically, more than the driver, the reserved bytes would be used by the application,
and driver uses only the mbx_in and mbx_out fields to access 32 register content.
Thanks,
Nilesh
