[people/ms/u-boot.git] / drivers / remoteproc / rproc-uclass.c

/*
 * (C) Copyright 2015
 * Texas Instruments Incorporated - http://www.ti.com/
 * SPDX-License-Identifier:	GPL-2.0+
 */
#define pr_fmt(fmt) "%s: " fmt, __func__
#include <common.h>
#include <errno.h>
#include <fdtdec.h>
#include <malloc.h>
#include <remoteproc.h>
#include <asm/io.h>
#include <dm/device-internal.h>
#include <dm.h>
#include <dm/uclass.h>
#include <dm/uclass-internal.h>

DECLARE_GLOBAL_DATA_PTR;

/**
 * for_each_remoteproc_device() - iterate through the list of rproc devices
 * @fn: check function to call per match, if this function returns fail,
 *	iteration is aborted with the resultant error value
 * @skip_dev:	Device to skip calling the callback about.
 * @data:	Data to pass to the callback function
 *
 * Return: 0 if none of the callback returned a non 0 result, else returns the
 * result from the callback function
 */
static int for_each_remoteproc_device(int (*fn) (struct udevice *dev,
					struct dm_rproc_uclass_pdata *uc_pdata,
					const void *data),
				      struct udevice *skip_dev,
				      const void *data)
{
	struct udevice *dev;
	struct dm_rproc_uclass_pdata *uc_pdata;
	int ret;

	for (ret = uclass_find_first_device(UCLASS_REMOTEPROC, &dev); dev;
	     ret = uclass_find_next_device(&dev)) {
		if (ret || dev == skip_dev)
			continue;
		uc_pdata = dev_get_uclass_platdata(dev);
		ret = fn(dev, uc_pdata, data);
		if (ret)
			return ret;
	}

	return 0;
}

/**
 * _rproc_name_is_unique() - iteration helper to check if rproc name is unique
 * @dev:	device that we are checking name for
 * @uc_pdata:	uclass platform data
 * @data:	compare data (this is the name we want to ensure is unique)
 *
 * Return: 0 is there is no match(is unique); if there is a match(we dont
 * have a unique name), return -EINVAL.
 */
static int _rproc_name_is_unique(struct udevice *dev,
				 struct dm_rproc_uclass_pdata *uc_pdata,
				 const void *data)
{
	const char *check_name = data;

	/* devices not yet populated with data - so skip them */
	if (!uc_pdata->name || !check_name)
		return 0;

	/* Return 0 to search further if we dont match */
	if (strlen(uc_pdata->name) != strlen(check_name))
		return 0;

	if (!strcmp(uc_pdata->name, check_name))
		return -EINVAL;

	return 0;
}

/**
 * rproc_name_is_unique() - Check if the rproc name is unique
 * @check_dev:	Device we are attempting to ensure is unique
 * @check_name:	Name we are trying to ensure is unique.
 *
 * Return: true if we have a unique name, false if name is not unique.
 */
static bool rproc_name_is_unique(struct udevice *check_dev,
				 const char *check_name)
{
	int ret;

	ret = for_each_remoteproc_device(_rproc_name_is_unique,
					 check_dev, check_name);
	return ret ? false : true;
}

/**
 * rproc_pre_probe() - Pre probe accessor for the uclass
 * @dev:	device for which we are preprobing
 *
 * Parses and fills up the uclass pdata for use as needed by core and
 * remote proc drivers.
 *
 * Return: 0 if all wernt ok, else appropriate error value.
 */
static int rproc_pre_probe(struct udevice *dev)
{
	struct dm_rproc_uclass_pdata *uc_pdata;
	const struct dm_rproc_ops *ops;

	uc_pdata = dev_get_uclass_platdata(dev);

	/* See if we need to populate via fdt */

	if (!dev->platdata) {
#if CONFIG_IS_ENABLED(OF_CONTROL)
		int node = dev_of_offset(dev);
		const void *blob = gd->fdt_blob;
		bool tmp;
		if (!blob) {
			debug("'%s' no dt?\n", dev->name);
			return -EINVAL;
		}
		debug("'%s': using fdt\n", dev->name);
		uc_pdata->name = fdt_getprop(blob, node,
					     "remoteproc-name", NULL);

		/* Default is internal memory mapped */
		uc_pdata->mem_type = RPROC_INTERNAL_MEMORY_MAPPED;
		tmp = fdtdec_get_bool(blob, node,
				      "remoteproc-internal-memory-mapped");
		if (tmp)
			uc_pdata->mem_type = RPROC_INTERNAL_MEMORY_MAPPED;
#else
		/* Nothing much we can do about this, can we? */
		return -EINVAL;
#endif

	} else {
		struct dm_rproc_uclass_pdata *pdata = dev->platdata;

		debug("'%s': using legacy data\n", dev->name);
		if (pdata->name)
			uc_pdata->name = pdata->name;
		uc_pdata->mem_type = pdata->mem_type;
		uc_pdata->driver_plat_data = pdata->driver_plat_data;
	}

	/* Else try using device Name */
	if (!uc_pdata->name)
		uc_pdata->name = dev->name;
	if (!uc_pdata->name) {
		debug("Unnamed device!");
		return -EINVAL;
	}

	if (!rproc_name_is_unique(dev, uc_pdata->name)) {
		debug("%s duplicate name '%s'\n", dev->name, uc_pdata->name);
		return -EINVAL;
	}

	ops = rproc_get_ops(dev);
	if (!ops) {
		debug("%s driver has no ops?\n", dev->name);
		return -EINVAL;
	}

	if (!ops->load || !ops->start) {
		debug("%s driver has missing mandatory ops?\n", dev->name);
		return -EINVAL;
	}

	return 0;
}

/**
 * rproc_post_probe() - post probe accessor for the uclass
 * @dev:	deivce we finished probing
 *
 * initiate init function after the probe is completed. This allows
 * the remote processor drivers to split up the initializations between
 * probe and init as needed.
 *
 * Return: if the remote proc driver has a init routine, invokes it and
 * hands over the return value. overall, 0 if all went well, else appropriate
 * error value.
 */
static int rproc_post_probe(struct udevice *dev)
{
	const struct dm_rproc_ops *ops;

	ops = rproc_get_ops(dev);
	if (!ops) {
		debug("%s driver has no ops?\n", dev->name);
		return -EINVAL;
	}

	if (ops->init)
		return ops->init(dev);

	return 0;
}

UCLASS_DRIVER(rproc) = {
	.id = UCLASS_REMOTEPROC,
	.name = "remoteproc",
	.flags = DM_UC_FLAG_SEQ_ALIAS,
	.pre_probe = rproc_pre_probe,
	.post_probe = rproc_post_probe,
	.per_device_platdata_auto_alloc_size =
		sizeof(struct dm_rproc_uclass_pdata),
};

/* Remoteproc subsystem access functions */
/**
 * _rproc_probe_dev() - iteration helper to probe a rproc device
 * @dev:	device to probe
 * @uc_pdata:	uclass data allocated for the device
 * @data:	unused
 *
 * Return: 0 if all ok, else appropriate error value.
 */
static int _rproc_probe_dev(struct udevice *dev,
			    struct dm_rproc_uclass_pdata *uc_pdata,
			    const void *data)
{
	int ret;

	ret = device_probe(dev);

	if (ret)
		debug("%s: Failed to initialize - %d\n", dev->name, ret);
	return ret;
}

/**
 * _rproc_dev_is_probed() - check if the device has been probed
 * @dev:	device to check
 * @uc_pdata:	unused
 * @data:	unused
 *
 * Return: -EAGAIN if not probed else return 0
 */
static int _rproc_dev_is_probed(struct udevice *dev,
			    struct dm_rproc_uclass_pdata *uc_pdata,
			    const void *data)
{
	if (dev->flags & DM_FLAG_ACTIVATED)
		return 0;

	return -EAGAIN;
}

bool rproc_is_initialized(void)
{
	int ret = for_each_remoteproc_device(_rproc_dev_is_probed, NULL, NULL);
	return ret ? false : true;
}

int rproc_init(void)
{
	int ret;

	if (rproc_is_initialized()) {
		debug("Already initialized\n");
		return -EINVAL;
	}

	ret = for_each_remoteproc_device(_rproc_probe_dev, NULL, NULL);
	return ret;
}

int rproc_load(int id, ulong addr, ulong size)
{
	struct udevice *dev = NULL;
	struct dm_rproc_uclass_pdata *uc_pdata;
	const struct dm_rproc_ops *ops;
	int ret;

	ret = uclass_get_device_by_seq(UCLASS_REMOTEPROC, id, &dev);
	if (ret) {
		debug("Unknown remote processor id '%d' requested(%d)\n",
		      id, ret);
		return ret;
	}

	uc_pdata = dev_get_uclass_platdata(dev);

	ops = rproc_get_ops(dev);
	if (!ops) {
		debug("%s driver has no ops?\n", dev->name);
		return -EINVAL;
	}

	debug("Loading to '%s' from address 0x%08lX size of %lu bytes\n",
	      uc_pdata->name, addr, size);
	if (ops->load)
		return ops->load(dev, addr, size);

	debug("%s: data corruption?? mandatory function is missing!\n",
	      dev->name);

	return -EINVAL;
};

/*
 * Completely internal helper enums..
 * Keeping this isolated helps this code evolve independent of other
 * parts..
 */
enum rproc_ops {
	RPROC_START,
	RPROC_STOP,
	RPROC_RESET,
	RPROC_PING,
	RPROC_RUNNING,
};

/**
 * _rproc_ops_wrapper() - wrapper for invoking remote proc driver callback
 * @id:		id of the remote processor
 * @op:		one of rproc_ops that indicate what operation to invoke
 *
 * Most of the checks and verification for remoteproc operations are more
 * or less same for almost all operations. This allows us to put a wrapper
 * and use the common checks to allow the driver to function appropriately.
 *
 * Return: 0 if all ok, else appropriate error value.
 */
static int _rproc_ops_wrapper(int id, enum rproc_ops op)
{
	struct udevice *dev = NULL;
	struct dm_rproc_uclass_pdata *uc_pdata;
	const struct dm_rproc_ops *ops;
	int (*fn)(struct udevice *dev);
	bool mandatory = false;
	char *op_str;
	int ret;

	ret = uclass_get_device_by_seq(UCLASS_REMOTEPROC, id, &dev);
	if (ret) {
		debug("Unknown remote processor id '%d' requested(%d)\n",
		      id, ret);
		return ret;
	}

	uc_pdata = dev_get_uclass_platdata(dev);

	ops = rproc_get_ops(dev);
	if (!ops) {
		debug("%s driver has no ops?\n", dev->name);
		return -EINVAL;
	}
	switch (op) {
	case RPROC_START:
		fn = ops->start;
		mandatory = true;
		op_str = "Starting";
		break;
	case RPROC_STOP:
		fn = ops->stop;
		op_str = "Stopping";
		break;
	case RPROC_RESET:
		fn = ops->reset;
		op_str = "Resetting";
		break;
	case RPROC_RUNNING:
		fn = ops->is_running;
		op_str = "Checking if running:";
		break;
	case RPROC_PING:
		fn = ops->ping;
		op_str = "Pinging";
		break;
	default:
		debug("what is '%d' operation??\n", op);
		return -EINVAL;
	}

	debug("%s %s...\n", op_str, uc_pdata->name);
	if (fn)
		return fn(dev);

	if (mandatory)
		debug("%s: data corruption?? mandatory function is missing!\n",
		      dev->name);

	return -ENOSYS;
}

int rproc_start(int id)
{
	return _rproc_ops_wrapper(id, RPROC_START);
};

int rproc_stop(int id)
{
	return _rproc_ops_wrapper(id, RPROC_STOP);
};

int rproc_reset(int id)
{
	return _rproc_ops_wrapper(id, RPROC_RESET);
};

int rproc_ping(int id)
{
	return _rproc_ops_wrapper(id, RPROC_PING);
};

int rproc_is_running(int id)
{
	return _rproc_ops_wrapper(id, RPROC_RUNNING);
};
Commit	Line	Data
ddf56bc7 NM	1	/*
	2	* (C) Copyright 2015
	3	* Texas Instruments Incorporated - http://www.ti.com/
	4	* SPDX-License-Identifier: GPL-2.0+
	5	*/
	6	#define pr_fmt(fmt) "%s: " fmt, __func__
	7	#include <common.h>
	8	#include <errno.h>
	9	#include <fdtdec.h>
	10	#include <malloc.h>
	11	#include <remoteproc.h>
	12	#include <asm/io.h>
	13	#include <dm/device-internal.h>
	14	#include <dm.h>
	15	#include <dm/uclass.h>
	16	#include <dm/uclass-internal.h>
	17
	18	DECLARE_GLOBAL_DATA_PTR;
	19
	20	/**
	21	* for_each_remoteproc_device() - iterate through the list of rproc devices
	22	* @fn: check function to call per match, if this function returns fail,
	23	* iteration is aborted with the resultant error value
	24	* @skip_dev: Device to skip calling the callback about.
	25	* @data: Data to pass to the callback function
	26	*
	27	* Return: 0 if none of the callback returned a non 0 result, else returns the
	28	* result from the callback function
	29	*/
	30	static int for_each_remoteproc_device(int (fn) (struct udevice dev,
	31	struct dm_rproc_uclass_pdata *uc_pdata,
	32	const void *data),
	33	struct udevice *skip_dev,
	34	const void *data)
	35	{
	36	struct udevice *dev;
	37	struct dm_rproc_uclass_pdata *uc_pdata;
	38	int ret;
	39
	40	for (ret = uclass_find_first_device(UCLASS_REMOTEPROC, &dev); dev;
	41	ret = uclass_find_next_device(&dev)) {
	42	if (ret \|\| dev == skip_dev)
	43	continue;
	44	uc_pdata = dev_get_uclass_platdata(dev);
	45	ret = fn(dev, uc_pdata, data);
	46	if (ret)
	47	return ret;
	48	}
	49
	50	return 0;
	51	}
	52
	53	/**
	54	* _rproc_name_is_unique() - iteration helper to check if rproc name is unique
	55	* @dev: device that we are checking name for
	56	* @uc_pdata: uclass platform data
	57	* @data: compare data (this is the name we want to ensure is unique)
	58	*
	59	* Return: 0 is there is no match(is unique); if there is a match(we dont
	60	* have a unique name), return -EINVAL.
	61	*/
	62	static int _rproc_name_is_unique(struct udevice *dev,
	63	struct dm_rproc_uclass_pdata *uc_pdata,
	64	const void *data)
65	{
66	const char *check_name = data;
67
68	/* devices not yet populated with data - so skip them */
9cb05a8f	69	if (!uc_pdata->name \|\| !check_name)
ddf56bc7 NM	70	return 0;
	71
	72	/* Return 0 to search further if we dont match */
	73	if (strlen(uc_pdata->name) != strlen(check_name))
	74	return 0;
	75
	76	if (!strcmp(uc_pdata->name, check_name))
	77	return -EINVAL;
	78
	79	return 0;
	80	}
	81
	82	/**
	83	* rproc_name_is_unique() - Check if the rproc name is unique
	84	* @check_dev: Device we are attempting to ensure is unique
	85	* @check_name: Name we are trying to ensure is unique.
	86	*
	87	* Return: true if we have a unique name, false if name is not unique.
	88	*/
	89	static bool rproc_name_is_unique(struct udevice *check_dev,
	90	const char *check_name)
	91	{
	92	int ret;
	93
	94	ret = for_each_remoteproc_device(_rproc_name_is_unique,
	95	check_dev, check_name);
	96	return ret ? false : true;
	97	}
	98
	99	/**
	100	* rproc_pre_probe() - Pre probe accessor for the uclass
	101	* @dev: device for which we are preprobing
	102	*
	103	* Parses and fills up the uclass pdata for use as needed by core and
	104	* remote proc drivers.
	105	*
	106	* Return: 0 if all wernt ok, else appropriate error value.
	107	*/
	108	static int rproc_pre_probe(struct udevice *dev)
	109	{
	110	struct dm_rproc_uclass_pdata *uc_pdata;
	111	const struct dm_rproc_ops *ops;
	112
	113	uc_pdata = dev_get_uclass_platdata(dev);
	114
	115	/* See if we need to populate via fdt */
	116
	117	if (!dev->platdata) {
	118	#if CONFIG_IS_ENABLED(OF_CONTROL)
e160f7d4	119	int node = dev_of_offset(dev);
ddf56bc7 NM	120	const void *blob = gd->fdt_blob;
	121	bool tmp;
	122	if (!blob) {
	123	debug("'%s' no dt?\n", dev->name);
	124	return -EINVAL;
	125	}
	126	debug("'%s': using fdt\n", dev->name);
	127	uc_pdata->name = fdt_getprop(blob, node,
	128	"remoteproc-name", NULL);
	129
	130	/* Default is internal memory mapped */
	131	uc_pdata->mem_type = RPROC_INTERNAL_MEMORY_MAPPED;
	132	tmp = fdtdec_get_bool(blob, node,
	133	"remoteproc-internal-memory-mapped");
	134	if (tmp)
	135	uc_pdata->mem_type = RPROC_INTERNAL_MEMORY_MAPPED;
	136	#else
	137	/* Nothing much we can do about this, can we? */
	138	return -EINVAL;
	139	#endif
	140
	141	} else {
	142	struct dm_rproc_uclass_pdata *pdata = dev->platdata;
	143
	144	debug("'%s': using legacy data\n", dev->name);
	145	if (pdata->name)
	146	uc_pdata->name = pdata->name;
	147	uc_pdata->mem_type = pdata->mem_type;
	148	uc_pdata->driver_plat_data = pdata->driver_plat_data;
	149	}
	150
	151	/* Else try using device Name */
	152	if (!uc_pdata->name)
	153	uc_pdata->name = dev->name;
	154	if (!uc_pdata->name) {
	155	debug("Unnamed device!");
	156	return -EINVAL;
	157	}
	158
	159	if (!rproc_name_is_unique(dev, uc_pdata->name)) {
	160	debug("%s duplicate name '%s'\n", dev->name, uc_pdata->name);
	161	return -EINVAL;
	162	}
	163
	164	ops = rproc_get_ops(dev);
	165	if (!ops) {
	166	debug("%s driver has no ops?\n", dev->name);
	167	return -EINVAL;
	168	}
	169
	170	if (!ops->load \|\| !ops->start) {
	171	debug("%s driver has missing mandatory ops?\n", dev->name);
	172	return -EINVAL;
	173	}
	174
	175	return 0;
	176	}
	177
	178	/**
	179	* rproc_post_probe() - post probe accessor for the uclass
	180	* @dev: deivce we finished probing
	181	*
	182	* initiate init function after the probe is completed. This allows
	183	* the remote processor drivers to split up the initializations between
184	* probe and init as needed.
185	*
186	* Return: if the remote proc driver has a init routine, invokes it and
187	* hands over the return value. overall, 0 if all went well, else appropriate
188	* error value.
189	*/
190	static int rproc_post_probe(struct udevice *dev)
191	{
192	const struct dm_rproc_ops *ops;
193
194	ops = rproc_get_ops(dev);
195	if (!ops) {
196	debug("%s driver has no ops?\n", dev->name);
197	return -EINVAL;
198	}
199
200	if (ops->init)
201	return ops->init(dev);
202
203	return 0;
204	}
205
206	UCLASS_DRIVER(rproc) = {
207	.id = UCLASS_REMOTEPROC,
208	.name = "remoteproc",
209	.flags = DM_UC_FLAG_SEQ_ALIAS,
210	.pre_probe = rproc_pre_probe,
211	.post_probe = rproc_post_probe,
212	.per_device_platdata_auto_alloc_size =
213	sizeof(struct dm_rproc_uclass_pdata),
214	};
215
216	/* Remoteproc subsystem access functions */
217	/**
218	* _rproc_probe_dev() - iteration helper to probe a rproc device
219	* @dev: device to probe
220	* @uc_pdata: uclass data allocated for the device
221	* @data: unused
222	*
223	* Return: 0 if all ok, else appropriate error value.
224	*/
225	static int _rproc_probe_dev(struct udevice *dev,
226	struct dm_rproc_uclass_pdata *uc_pdata,
227	const void *data)
228	{
229	int ret;
230
231	ret = device_probe(dev);
232
233	if (ret)
234	debug("%s: Failed to initialize - %d\n", dev->name, ret);
235	return ret;
236	}
237
238	/**
239	* _rproc_dev_is_probed() - check if the device has been probed
240	* @dev: device to check
241	* @uc_pdata: unused
242	* @data: unused
243	*
244	* Return: -EAGAIN if not probed else return 0
245	*/
246	static int _rproc_dev_is_probed(struct udevice *dev,
247	struct dm_rproc_uclass_pdata *uc_pdata,
248	const void *data)
249	{
250	if (dev->flags & DM_FLAG_ACTIVATED)
251	return 0;
252
253	return -EAGAIN;
254	}
255
256	bool rproc_is_initialized(void)
257	{
258	int ret = for_each_remoteproc_device(_rproc_dev_is_probed, NULL, NULL);
259	return ret ? false : true;
260	}
261
262	int rproc_init(void)
263	{
264	int ret;
265
266	if (rproc_is_initialized()) {
267	debug("Already initialized\n");
268	return -EINVAL;
269	}
270
271	ret = for_each_remoteproc_device(_rproc_probe_dev, NULL, NULL);
272	return ret;
273	}
274
275	int rproc_load(int id, ulong addr, ulong size)
276	{
277	struct udevice *dev = NULL;
278	struct dm_rproc_uclass_pdata *uc_pdata;
279	const struct dm_rproc_ops *ops;
280	int ret;
281
282	ret = uclass_get_device_by_seq(UCLASS_REMOTEPROC, id, &dev);
283	if (ret) {
284	debug("Unknown remote processor id '%d' requested(%d)\n",
285	id, ret);
286	return ret;
287	}
288
289	uc_pdata = dev_get_uclass_platdata(dev);
290
291	ops = rproc_get_ops(dev);
292	if (!ops) {
293	debug("%s driver has no ops?\n", dev->name);
294	return -EINVAL;
295	}
296
297	debug("Loading to '%s' from address 0x%08lX size of %lu bytes\n",
298	uc_pdata->name, addr, size);
299	if (ops->load)
300	return ops->load(dev, addr, size);
301
302	debug("%s: data corruption?? mandatory function is missing!\n",
303	dev->name);
304
305	return -EINVAL;
306	};
307
308	/*
309	* Completely internal helper enums..
310	* Keeping this isolated helps this code evolve independent of other
311	* parts..
312	*/
313	enum rproc_ops {
314	RPROC_START,
315	RPROC_STOP,
316	RPROC_RESET,
317	RPROC_PING,
318	RPROC_RUNNING,
319	};
320
321	/**
322	* _rproc_ops_wrapper() - wrapper for invoking remote proc driver callback
323	* @id: id of the remote processor
324	* @op: one of rproc_ops that indicate what operation to invoke
325	*
326	* Most of the checks and verification for remoteproc operations are more
327	* or less same for almost all operations. This allows us to put a wrapper
328	* and use the common checks to allow the driver to function appropriately.
329	*
330	* Return: 0 if all ok, else appropriate error value.
331	*/
332	static int _rproc_ops_wrapper(int id, enum rproc_ops op)
333	{
334	struct udevice *dev = NULL;
335	struct dm_rproc_uclass_pdata *uc_pdata;
336	const struct dm_rproc_ops *ops;
337	int (fn)(struct udevice dev);
338	bool mandatory = false;
339	char *op_str;
340	int ret;
341
342	ret = uclass_get_device_by_seq(UCLASS_REMOTEPROC, id, &dev);
343	if (ret) {
344	debug("Unknown remote processor id '%d' requested(%d)\n",
345	id, ret);
346	return ret;
347	}
348
349	uc_pdata = dev_get_uclass_platdata(dev);
350
351	ops = rproc_get_ops(dev);
352	if (!ops) {
353	debug("%s driver has no ops?\n", dev->name);
354	return -EINVAL;
355	}
356	switch (op) {
357	case RPROC_START:
358	fn = ops->start;
359	mandatory = true;
360	op_str = "Starting";
361	break;
362	case RPROC_STOP:
363	fn = ops->stop;
364	op_str = "Stopping";
365	break;
366	case RPROC_RESET:
367	fn = ops->reset;
368	op_str = "Resetting";
369	break;
370	case RPROC_RUNNING:
371	fn = ops->is_running;
372	op_str = "Checking if running:";
373	break;
374	case RPROC_PING:
375	fn = ops->ping;
376	op_str = "Pinging";
377	break;
378	default:
379	debug("what is '%d' operation??\n", op);
380	return -EINVAL;
381	}
382
383	debug("%s %s...\n", op_str, uc_pdata->name);
384	if (fn)
385	return fn(dev);
386
387	if (mandatory)
388	debug("%s: data corruption?? mandatory function is missing!\n",
389	dev->name);
390
391	return -ENOSYS;
392	}
393
394	int rproc_start(int id)
395	{
396	return _rproc_ops_wrapper(id, RPROC_START);
397	};
398
399	int rproc_stop(int id)
400	{
401	return _rproc_ops_wrapper(id, RPROC_STOP);
402	};
403
404	int rproc_reset(int id)
405	{
406	return _rproc_ops_wrapper(id, RPROC_RESET);
407	};
408
409	int rproc_ping(int id)
410	{
411	return _rproc_ops_wrapper(id, RPROC_PING);
412	};
413
414	int rproc_is_running(int id)
415	{
416	return _rproc_ops_wrapper(id, RPROC_RUNNING);
417	};