/**
* crystalhd_dioq_add - Add new DIO request element.
* @ioq: DIO queue instance
* @t: DIO request to be added.
* @wake: True - Wake up suspended process.
* @tag: Special tag to assign - For search and get.
*
* Return:
* Status.
*
* Insert new element to Q tail.
*/
BC_STATUS crystalhd_dioq_add(crystalhd_dioq_t *ioq, void *data,
bool wake, uint32_t tag)
{
unsigned long flags = 0;
crystalhd_elem_t *tmp;
if (!ioq || (ioq->sig != BC_LINK_DIOQ_SIG) || !data) {
dev_err(chddev(), "%s: Invalid arg\n", __func__);
return BC_STS_INV_ARG;
}
tmp = crystalhd_alloc_elem(ioq->adp);
if (!tmp) {
dev_err(chddev(), "%s: No free elements.\n", __func__);
return BC_STS_INSUFF_RES;
}
tmp->data = data;
tmp->tag = tag;
spin_lock_irqsave(&ioq->lock, flags);
tmp->flink = (crystalhd_elem_t *)&ioq->head;
tmp->blink = ioq->tail;
tmp->flink->blink = tmp;
tmp->blink->flink = tmp;
ioq->count++;
spin_unlock_irqrestore(&ioq->lock, flags);
if (wake)
crystalhd_set_event(&ioq->event);
return BC_STS_SUCCESS;
}
static void bc_proc_in_completion(struct crystalhd_dio_req *dio_hnd,
wait_queue_head_t *event, enum BC_STATUS sts)
{
if (!dio_hnd || !event) {
BCMLOG_ERR("Invalid Arg!!\n");
return;
}
if (sts == BC_STS_IO_USER_ABORT)
return;
dio_hnd->uinfo.comp_sts = sts;
dio_hnd->uinfo.ev_sts = 1;
crystalhd_set_event(event);
}