59 	struct dmm_heap *dh;  in dmm_heap_find()  local
62 		dh = &dmm_heaps_data.dmm_heaps[idx];  in dmm_heap_find()
63 		if (dh->region->dt_addr == (uintptr_t)region) {  in dmm_heap_find()
64 			return dh;  in dmm_heap_find()
104 static size_t dmm_heap_start_get(struct dmm_heap *dh)  in dmm_heap_start_get()  argument
106 	return ROUND_UP(dh->region->dt_allc, dh->region->dt_align);  in dmm_heap_start_get()
109 static size_t dmm_heap_size_get(struct dmm_heap *dh)  in dmm_heap_size_get()  argument
111 	return (dh->region->dt_size - (dmm_heap_start_get(dh) - dh->region->dt_addr));  in dmm_heap_size_get()
114 static void *dmm_buffer_alloc(struct dmm_heap *dh, size_t length)  in dmm_buffer_alloc()  argument
116 	length = ROUND_UP(length, dh->region->dt_align);  in dmm_buffer_alloc()
117 	return sys_heap_aligned_alloc(&dh->heap, dh->region->dt_align, length);  in dmm_buffer_alloc()
120 static void dmm_buffer_free(struct dmm_heap *dh, void *buffer)  in dmm_buffer_free()  argument
122 	sys_heap_free(&dh->heap, buffer);  in dmm_buffer_free()
128 	struct dmm_heap *dh;  in dmm_buffer_out_prepare()  local
137 	dh = dmm_heap_find(region);  in dmm_buffer_out_prepare()
138 	if (dh == NULL) {  in dmm_buffer_out_prepare()
147 	if (is_user_buffer_correctly_preallocated(user_buffer, user_length, dh->region)) {  in dmm_buffer_out_prepare()
155 		*buffer_out = dmm_buffer_alloc(dh, user_length);  in dmm_buffer_out_prepare()
168 	if (is_region_cacheable(dh->region)) {  in dmm_buffer_out_prepare()
178 	struct dmm_heap *dh;  in dmm_buffer_out_release()  local
182 	dh = dmm_heap_find(region);  in dmm_buffer_out_release()
183 	if (dh == NULL) {  in dmm_buffer_out_release()
190 	if (is_buffer_within_region(addr, 0, dmm_heap_start_get(dh), dmm_heap_size_get(dh))) {  in dmm_buffer_out_release()
192 		dmm_buffer_free(dh, buffer_out);  in dmm_buffer_out_release()
201 	struct dmm_heap *dh;  in dmm_buffer_in_prepare()  local
210 	dh = dmm_heap_find(region);  in dmm_buffer_in_prepare()
211 	if (dh == NULL) {  in dmm_buffer_in_prepare()
220 	if (is_user_buffer_correctly_preallocated(user_buffer, user_length, dh->region)) {  in dmm_buffer_in_prepare()
227 		*buffer_in = dmm_buffer_alloc(dh, user_length);  in dmm_buffer_in_prepare()
238 	if (is_region_cacheable(dh->region)) {  in dmm_buffer_in_prepare()
248 	struct dmm_heap *dh;  in dmm_buffer_in_release()  local
252 	dh = dmm_heap_find(region);  in dmm_buffer_in_release()
253 	if (dh == NULL) {  in dmm_buffer_in_release()
261 	if (is_region_cacheable(dh->region)) {  in dmm_buffer_in_release()
277 	if (is_buffer_within_region(addr, 0, dmm_heap_start_get(dh), dmm_heap_size_get(dh))) {  in dmm_buffer_in_release()
279 		dmm_buffer_free(dh, buffer_in);  in dmm_buffer_in_release()
288 	struct dmm_heap *dh;  in dmm_init()  local
291 		dh = &dmm_heaps_data.dmm_heaps[idx];  in dmm_init()
292 		dh->region = &dmm_regions[idx];  in dmm_init()
293 		sys_heap_init(&dh->heap, (void *)dmm_heap_start_get(dh), dmm_heap_size_get(dh));  in dmm_init()