/*-
 *   BSD LICENSE
 *
 *   Copyright (c) Intel Corporation.
 *   All rights reserved.
 *
 *   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.
 *     * Neither the name of Intel Corporation nor the names of its
 *       contributors may be used to endorse or promote products derived
 *       from this software without specific prior written permission.
 *
 *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 *   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 *   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 *   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 *   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 *   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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 *   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#include "spdk/env.h"

#include <string.h>

#include <rte_config.h>
#include <rte_cycles.h>
#include <rte_malloc.h>
#include <rte_mempool.h>
#include <rte_memzone.h>

void *
spdk_zmalloc(size_t size, size_t align, uint64_t *phys_addr)
{
	void *buf = rte_malloc(NULL, size, align);
	if (buf) {
		memset(buf, 0, size);
		*phys_addr = rte_malloc_virt2phy(buf);
	}
	return buf;
}

void
spdk_free(void *buf)
{
	return rte_free(buf);
}

void *
spdk_memzone_reserve(const char *name, size_t len, int socket_id, unsigned flags)
{
	const struct rte_memzone *mz = rte_memzone_reserve(name, len, socket_id, flags);

	if (mz != NULL) {
		return mz->addr;
	} else {
		return NULL;
	}
}

void *
spdk_memzone_lookup(const char *name)
{
	const struct rte_memzone *mz = rte_memzone_lookup(name);

	if (mz != NULL) {
		return mz->addr;
	} else {
		return NULL;
	}
}

int
spdk_memzone_free(const char *name)
{
	const struct rte_memzone *mz = rte_memzone_lookup(name);

	if (mz != NULL) {
		return rte_memzone_free(mz);
	}

	return -1;
}

bool
spdk_process_is_primary(void)
{
	return (rte_eal_process_type() == RTE_PROC_PRIMARY);
}

uint64_t spdk_get_ticks(void)
{
	return rte_get_timer_cycles();
}

uint64_t spdk_get_ticks_hz(void)
{
	return rte_get_timer_hz();
}

void spdk_delay_us(unsigned int us)
{
	return rte_delay_us(us);
}