201 	return pvr_dev->kccb.slot_count - 1;  in pvr_kccb_capacity()
216 	struct pvr_ccb *pvr_ccb = &pvr_dev->kccb.ccb;  in pvr_kccb_used_slot_count_locked()
227 		used_count = wr_offset + pvr_dev->kccb.slot_count - rd_offset;  in pvr_kccb_used_slot_count_locked()
244 	struct pvr_ccb *pvr_ccb = &pvr_dev->kccb.ccb;  in pvr_kccb_send_cmd_reserved_powered()
245 	struct rogue_fwif_kccb_cmd *kccb = pvr_ccb->ccb;  in pvr_kccb_send_cmd_reserved_powered()  local
254 	if (WARN_ON(!pvr_dev->kccb.reserved_count))  in pvr_kccb_send_cmd_reserved_powered()
263 	memcpy(&kccb[old_write_offset], cmd,  in pvr_kccb_send_cmd_reserved_powered()
268 		WRITE_ONCE(pvr_dev->kccb.rtn[old_write_offset],  in pvr_kccb_send_cmd_reserved_powered()
273 	pvr_dev->kccb.reserved_count--;  in pvr_kccb_send_cmd_reserved_powered()
296 	mutex_lock(&pvr_dev->kccb.ccb.lock);  in pvr_kccb_try_reserve_slot()
299 	if (pvr_dev->kccb.reserved_count < pvr_kccb_capacity(pvr_dev) - used_count) {  in pvr_kccb_try_reserve_slot()
300 		pvr_dev->kccb.reserved_count++;  in pvr_kccb_try_reserve_slot()
304 	mutex_unlock(&pvr_dev->kccb.ccb.lock);  in pvr_kccb_try_reserve_slot()
405 	int ret = wait_event_timeout(pvr_dev->kccb.rtn_q, READ_ONCE(pvr_dev->kccb.rtn[slot_nr]) &  in pvr_kccb_wait_for_completion()
409 		*rtn_out = READ_ONCE(pvr_dev->kccb.rtn[slot_nr]);  in pvr_kccb_wait_for_completion()
425 	struct rogue_fwif_ccb_ctl *ctrl = pvr_dev->kccb.ccb.ctrl;  in pvr_kccb_is_idle()
428 	mutex_lock(&pvr_dev->kccb.ccb.lock);  in pvr_kccb_is_idle()
432 	mutex_unlock(&pvr_dev->kccb.ccb.lock);  in pvr_kccb_is_idle()
477 	wake_up_all(&pvr_dev->kccb.rtn_q);  in pvr_kccb_wake_up_waiters()
480 	mutex_lock(&pvr_dev->kccb.ccb.lock);  in pvr_kccb_wake_up_waiters()
483 	if (WARN_ON(used_count + pvr_dev->kccb.reserved_count > pvr_kccb_capacity(pvr_dev)))  in pvr_kccb_wake_up_waiters()
486 	available_count = pvr_kccb_capacity(pvr_dev) - used_count - pvr_dev->kccb.reserved_count;  in pvr_kccb_wake_up_waiters()
487 	list_for_each_entry_safe(fence, tmp_fence, &pvr_dev->kccb.waiters, node) {  in pvr_kccb_wake_up_waiters()
492 		pvr_dev->kccb.reserved_count++;  in pvr_kccb_wake_up_waiters()
499 	mutex_unlock(&pvr_dev->kccb.ccb.lock);  in pvr_kccb_wake_up_waiters()
508 	pvr_ccb_fini(&pvr_dev->kccb.ccb);  in pvr_kccb_fini()
509 	WARN_ON(!list_empty(&pvr_dev->kccb.waiters));  in pvr_kccb_fini()
510 	WARN_ON(pvr_dev->kccb.reserved_count);  in pvr_kccb_fini()
524 	pvr_dev->kccb.slot_count = 1 << ROGUE_FWIF_KCCB_NUMCMDS_LOG2_DEFAULT;  in pvr_kccb_init()
525 	INIT_LIST_HEAD(&pvr_dev->kccb.waiters);  in pvr_kccb_init()
526 	pvr_dev->kccb.fence_ctx.id = dma_fence_context_alloc(1);  in pvr_kccb_init()
527 	spin_lock_init(&pvr_dev->kccb.fence_ctx.lock);  in pvr_kccb_init()
529 	return pvr_ccb_init(pvr_dev, &pvr_dev->kccb.ccb,  in pvr_kccb_init()
594 	mutex_lock(&pvr_dev->kccb.ccb.lock);  in pvr_kccb_reserve_slot()
597 	if (pvr_dev->kccb.reserved_count >= pvr_kccb_capacity(pvr_dev) - used_count) {  in pvr_kccb_reserve_slot()
599 			       &pvr_dev->kccb.fence_ctx.lock,  in pvr_kccb_reserve_slot()
600 			       pvr_dev->kccb.fence_ctx.id,  in pvr_kccb_reserve_slot()
601 			       atomic_inc_return(&pvr_dev->kccb.fence_ctx.seqno));  in pvr_kccb_reserve_slot()
603 		list_add_tail(&fence->node, &pvr_dev->kccb.waiters);  in pvr_kccb_reserve_slot()
606 		pvr_dev->kccb.reserved_count++;  in pvr_kccb_reserve_slot()
609 	mutex_unlock(&pvr_dev->kccb.ccb.lock);  in pvr_kccb_reserve_slot()
625 	mutex_lock(&pvr_dev->kccb.ccb.lock);  in pvr_kccb_release_slot()
626 	if (!WARN_ON(!pvr_dev->kccb.reserved_count))  in pvr_kccb_release_slot()
627 		pvr_dev->kccb.reserved_count--;  in pvr_kccb_release_slot()
628 	mutex_unlock(&pvr_dev->kccb.ccb.lock);  in pvr_kccb_release_slot()