E1000_VFMAILBOX_SIZE
mbx->size = E1000_VFMAILBOX_SIZE;
u32 msgbuf[E1000_VFMAILBOX_SIZE];
retval = igb_read_mbx(hw, msgbuf, E1000_VFMAILBOX_SIZE, vf, false);
mbx->size = E1000_VFMAILBOX_SIZE;
u32 msgbuf[E1000_VFMAILBOX_SIZE];
ret_val = mbx->ops.write_posted(hw, msgbuf, E1000_VFMAILBOX_SIZE);