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- /*
- * include/linux/parman.h - Manager for linear priority array areas
- * Copyright (c) 2017 Mellanox Technologies. All rights reserved.
- * Copyright (c) 2017 Jiri Pirko <[email protected]>
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. 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.
- * 3. Neither the names of the copyright holders nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * Alternatively, this software may be distributed under the terms of the
- * GNU General Public License ("GPL") version 2 as published by the Free
- * Software Foundation.
- *
- * 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 _PARMAN_H
- #define _PARMAN_H
- #include <linux/list.h>
- enum parman_algo_type {
- PARMAN_ALGO_TYPE_LSORT,
- };
- struct parman_item {
- struct list_head list;
- unsigned long index;
- };
- struct parman_prio {
- struct list_head list;
- struct list_head item_list;
- unsigned long priority;
- };
- struct parman_ops {
- unsigned long base_count;
- unsigned long resize_step;
- int (*resize)(void *priv, unsigned long new_count);
- void (*move)(void *priv, unsigned long from_index,
- unsigned long to_index, unsigned long count);
- enum parman_algo_type algo;
- };
- struct parman;
- struct parman *parman_create(const struct parman_ops *ops, void *priv);
- void parman_destroy(struct parman *parman);
- void parman_prio_init(struct parman *parman, struct parman_prio *prio,
- unsigned long priority);
- void parman_prio_fini(struct parman_prio *prio);
- int parman_item_add(struct parman *parman, struct parman_prio *prio,
- struct parman_item *item);
- void parman_item_remove(struct parman *parman, struct parman_prio *prio,
- struct parman_item *item);
- #endif
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