hw/hfi1/sdma.c

702  * sdma_engine_get_vl() - return vl for a given sdma engine
705  * This function returns the vl mapped to a given engine, or an error if
712 	u8 vl;
723 	vl = m->engine_to_vl[sde->this_idx];
726 	return vl;
733  * @vl: this vl
736  * This function returns an engine based on the selector and a vl.  The
742 	u8 vl)
752 	if (vl >= num_vls) {
763 	e = m->map[vl & m->mask];
769 	trace_hfi1_sdma_engine_select(dd, selector, vl, rval->this_idx);
787 	u8 vl = sc_to_vlt(dd, sc5);
789 	return sdma_select_engine_vl(dd, selector, vl);
820  * @vl: this vl
825  * ordering, the mapping from <selector, vl> to sde must remain unchanged.
828 					    u32 selector, u8 vl)
846 	if (rht_node && rht_node->map[vl]) {
847 		struct sdma_rht_map_elem *map = rht_node->map[vl];
857 	return sdma_select_engine_vl(dd, selector, vl);
898 	int ret, vl, sz;
901 	vl = sdma_engine_get_vl(sde);
902 	if (unlikely(vl < 0 || vl >= ARRAY_SIZE(rht_node->map)))
945 			rht_node->map[vl] = kzalloc(sz, GFP_KERNEL);
946 			if (!rht_node->map[vl]) {
952 			rht_node->map[vl]->mask = 0;
953 			rht_node->map[vl]->ctr = 1;
954 			rht_node->map[vl]->sde[0] = sde;
960 				kfree(rht_node->map[vl]);
971 			if (!rht_node->map[vl])
972 				rht_node->map[vl] = kzalloc(sz, GFP_KERNEL);
974 			if (!rht_node->map[vl]) {
979 			rht_node->map[vl]->ctr++;
980 			ctr = rht_node->map[vl]->ctr;
981 			rht_node->map[vl]->sde[ctr - 1] = sde;
983 			rht_node->map[vl]->mask = pow - 1;
986 			sdma_populate_sde_map(rht_node->map[vl]);
1092 		seq_printf(s, " vl%d: [", i);
1137  * @vl_engines: per vl engine mapping (optional)
1141  * vl_engines is used to specify a non-uniform vl/engine loading. NULL
1176 		/* add extras from last vl down */