[ceph.git] / ceph / src / dpdk / drivers / net / thunderx / nicvf_svf.h

/*
 *   BSD LICENSE
 *
 *   Copyright (C) Cavium networks Ltd. 2016.
 *
 *   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 Cavium networks 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
 *   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 *   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#ifndef __THUNDERX_NICVF_SVF_H__
#define __THUNDERX_NICVF_SVF_H__

struct nicvf;

/**
 * Enqueue new VF to secondary qsets.
 *
 * @param entry
 *   Entry to be enqueued.
 */
void
nicvf_svf_push(struct nicvf *vf);

/**
 * Dequeue a VF from secondary qsets.
 *
 * @return
 *   Dequeued entry.
 */
struct nicvf *
nicvf_svf_pop(void);

/**
 * Check if the queue of secondary qsets is empty.
 *
 * @return
 *   0 on non-empty
 *   otherwise empty
 */
int
nicvf_svf_empty(void);

#endif /* __THUNDERX_NICVF_SVF_H__  */
Commit	Line	Data
7c673cae FG	1	/*
	2	* BSD LICENSE
	3	*
	4	* Copyright (C) Cavium networks Ltd. 2016.
	5	*
	6	* Redistribution and use in source and binary forms, with or without
	7	* modification, are permitted provided that the following conditions
	8	* are met:
	9	*
	10	* * Redistributions of source code must retain the above copyright
	11	* notice, this list of conditions and the following disclaimer.
	12	* * Redistributions in binary form must reproduce the above copyright
	13	* notice, this list of conditions and the following disclaimer in
	14	* the documentation and/or other materials provided with the
	15	* distribution.
	16	* * Neither the name of Cavium networks nor the names of its
	17	* contributors may be used to endorse or promote products derived
	18	* from this software without specific prior written permission.
	19	*
	20	* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
	21	* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
	22	* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
	23	* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
	24	* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
	25	* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
	26	* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
	27	* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
	28	* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
	29	* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
	30	* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
	31	*/
	32
	33	#ifndef __THUNDERX_NICVF_SVF_H__
	34	#define __THUNDERX_NICVF_SVF_H__
	35
	36	struct nicvf;
	37
	38	/**
	39	* Enqueue new VF to secondary qsets.
	40	*
	41	* @param entry
	42	* Entry to be enqueued.
	43	*/
	44	void
	45	nicvf_svf_push(struct nicvf *vf);
	46
	47	/**
	48	* Dequeue a VF from secondary qsets.
	49	*
	50	* @return
	51	* Dequeued entry.
	52	*/
	53	struct nicvf *
	54	nicvf_svf_pop(void);
	55
	56	/**
	57	* Check if the queue of secondary qsets is empty.
	58	*
	59	* @return
	60	* 0 on non-empty
	61	* otherwise empty
	62	*/
	63	int
	64	nicvf_svf_empty(void);
65
66	#endif /* __THUNDERX_NICVF_SVF_H__ */