rte_class.h

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/* SPDX-License-Identifier: BSD-3-Clause
 * Copyright 2018 Gaëtan Rivet
 */

#ifndef _RTE_CLASS_H_
#define _RTE_CLASS_H_

#ifdef __cplusplus
extern "C" {
#endif

#include <sys/queue.h>

#include <rte_dev.h>

TAILQ_HEAD(rte_class_list, rte_class);

struct rte_class {
    TAILQ_ENTRY(rte_class) next; 
    const char *name; 
    rte_dev_iterate_t dev_iterate; 
};

typedef int (*rte_class_cmp_t)(const struct rte_class *cls, const void *data);

__rte_experimental
struct rte_class *
rte_class_find(const struct rte_class *start, rte_class_cmp_t cmp,
           const void *data);

__rte_experimental
struct rte_class *
rte_class_find_by_name(const char *name);

__rte_experimental
void rte_class_register(struct rte_class *cls);

__rte_experimental
void rte_class_unregister(struct rte_class *cls);

#define RTE_REGISTER_CLASS(nm, cls) \
RTE_INIT_PRIO(classinitfn_ ##nm, CLASS) \
{\
    (cls).name = RTE_STR(nm); \
    rte_class_register(&cls); \
}

#define RTE_UNREGISTER_CLASS(nm, cls) \
RTE_FINI_PRIO(classfinifn_ ##nm, CLASS) \
{ \
    rte_class_unregister(&cls); \
}

#ifdef __cplusplus
}
#endif

#endif /* _RTE_CLASS_H_ */