remoteproc: introduce rproc_find_carveout_by_name function

}

EXPORT_SYMBOL(rproc_da_to_va);

/**

 * rproc_find_carveout_by_name() - lookup the carveout region by a name

 * @rproc: handle of a remote processor

 * @name,..: carveout name to find (standard printf format)

 *

 * Platform driver has the capability to register some pre-allacoted carveout

 * (physically contiguous memory regions) before rproc firmware loading and

 * associated resource table analysis. These regions may be dedicated memory

 * regions internal to the coprocessor or specified DDR region with specific

 * attributes

 *

 * This function is a helper function with which we can go over the

 * allocated carveouts and return associated region characteristics like

 * coprocessor address, length or processor virtual address.

 *

 * Return: a valid pointer on carveout entry on success or NULL on failure.

 */

struct rproc_mem_entry *

rproc_find_carveout_by_name(struct rproc *rproc, const char *name, ...)

{

	va_list args;

	char _name[32];

	struct rproc_mem_entry *carveout, *mem = NULL;

	if (!name)

		return NULL;

	va_start(args, name);

	vsnprintf(_name, sizeof(_name), name, args);

	va_end(args);

	list_for_each_entry(carveout, &rproc->carveouts, node) {

		/* Compare carveout and requested names */

		if (!strcmp(carveout->name, _name)) {

			mem = carveout;

			break;

		}

	}

	return mem;

}

int rproc_alloc_vring(struct rproc_vdev *rvdev, int i)

{

	struct rproc *rproc = rvdev->rproc;