numam-dpdk/drivers/bus/auxiliary/auxiliary_params.c

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/* SPDX-License-Identifier: BSD-3-Clause
* Copyright (c) 2021 NVIDIA Corporation & Affiliates
*/
#include <string.h>
#include <rte_bus.h>
#include <rte_dev.h>
#include <rte_errno.h>
#include <rte_kvargs.h>
#include "private.h"
#include "rte_bus_auxiliary.h"
enum auxiliary_params {
RTE_AUXILIARY_PARAM_NAME,
};
static const char * const auxiliary_params_keys[] = {
[RTE_AUXILIARY_PARAM_NAME] = "name",
};
static int
auxiliary_dev_match(const struct rte_device *dev,
const void *_kvlist)
{
const struct rte_kvargs *kvlist = _kvlist;
int ret;
ret = rte_kvargs_process(kvlist,
auxiliary_params_keys[RTE_AUXILIARY_PARAM_NAME],
rte_kvargs_strcmp, (void *)(uintptr_t)dev->name);
return ret != 0 ? -1 : 0;
}
void *
auxiliary_dev_iterate(const void *start,
const char *str,
const struct rte_dev_iterator *it __rte_unused)
{
rte_bus_find_device_t find_device;
struct rte_kvargs *kvargs = NULL;
struct rte_device *dev;
if (str != NULL) {
kvargs = rte_kvargs_parse(str, auxiliary_params_keys);
if (kvargs == NULL) {
AUXILIARY_LOG(ERR, "cannot parse argument list %s",
str);
rte_errno = EINVAL;
return NULL;
}
}
find_device = auxiliary_bus.bus.find_device;
dev = find_device(start, auxiliary_dev_match, kvargs);
rte_kvargs_free(kvargs);
return dev;
}