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/* SPDX-License-Identifier: BSD-3-Clause
* Copyright 2018 Gaëtan Rivet
*/
#include <stdio.h>
#include <string.h>
#include <sys/queue.h>
#include <rte_class.h>
#include <rte_debug.h>
static struct rte_class_list rte_class_list =
TAILQ_HEAD_INITIALIZER(rte_class_list);
__rte_experimental void
rte_class_register(struct rte_class *class)
{
RTE_VERIFY(class);
RTE_VERIFY(class->name && strlen(class->name));
TAILQ_INSERT_TAIL(&rte_class_list, class, next);
RTE_LOG(DEBUG, EAL, "Registered [%s] device class.\n", class->name);
}
__rte_experimental void
rte_class_unregister(struct rte_class *class)
{
TAILQ_REMOVE(&rte_class_list, class, next);
RTE_LOG(DEBUG, EAL, "Unregistered [%s] device class.\n", class->name);
}
__rte_experimental
struct rte_class *
rte_class_find(const struct rte_class *start, rte_class_cmp_t cmp,
const void *data)
{
struct rte_class *cls;
if (start != NULL)
cls = TAILQ_NEXT(start, next);
else
cls = TAILQ_FIRST(&rte_class_list);
while (cls != NULL) {
if (cmp(cls, data) == 0)
break;
cls = TAILQ_NEXT(cls, next);
}
return cls;
}
static int
cmp_class_name(const struct rte_class *class, const void *_name)
{
const char *name = _name;
return strcmp(class->name, name);
}
__rte_experimental
struct rte_class *
rte_class_find_by_name(const char *name)
{
return rte_class_find(NULL, cmp_class_name, (const void *)name);
}
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