/*

 * Copyright (c) 2012, Oracle and/or its affiliates. All rights reserved.

 *

 * This software is available to you under a choice of one of two

 * licenses.  You may choose to be licensed under the terms of the GNU

 * General Public License (GPL) Version 2, available from the file

 * COPYING in the main directory of this source tree, or the

 * OpenIB.org BSD license below:

 *

 *     Redistribution and use in source and binary forms, with or

 *     without modification, are permitted provided that the following

 *     conditions are met:

 *

 *      - Redistributions of source code must retain the above

 *        copyright notice, this list of conditions and the following

 *        disclaimer.

 *

 *      - Redistributions in binary form must reproduce the above

 *        copyright notice, this list of conditions and the following

 *        disclaimer in the documentation and/or other materials

 *        provided with the distribution.

 *

 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,

 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF

 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND

 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS

 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN

 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN

 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE

 * SOFTWARE.

 */

/*

 * OFED Solaris ioctl wrapper

 */

#if defined(__SVR4) && defined(__sun)

#include <stdio.h>

#include <string.h>

#include <stdlib.h>

#include <errno.h>

#include <strings.h>

#include <unistd.h>

#include <stropts.h>

#include <sys/rds.h>

int

sol_ioctl(int fd, int opt_val, struct rds_info_arg *argp, socklen_t *ulen,

    int *item_size)

{

	int len;

	struct rds_info_arg arg = *argp;

	/* 1st call gets the length of the data available */

	*ulen = 0;

	bzero(&arg, sizeof (struct rds_info_arg));

	arg.lenp = (uint64_t)(uintptr_t)ulen;

	arg.datap = NULL;

	*item_size = ioctl(fd, opt_val, &arg);

	argp->lenp = arg.lenp;

	argp->datap = arg.datap;

	if ((*item_size < 0) && (errno != ENOSPC))

		return (1);

	do {

		if (*ulen == 0)

			return (0);

		if (arg.datap)

			arg.datap = (uint64_t)(uintptr_t)realloc(

			    (char *)(uintptr_t)arg.datap, *ulen);

		else

			arg.datap = (uint64_t)(uintptr_t)malloc(*ulen);

		if (arg.datap == NULL)

			return (2);

		/* 2nd call gets the data */

		len = *ulen;

		*item_size = ioctl(fd, opt_val, &arg);

		argp->lenp = arg.lenp;

		argp->datap = arg.datap;

		if ((*item_size < 0) && (errno != ENOSPC)) {

			return (3);

		}

	} while (*ulen > len);

	return (0);

}

#endif