mirror of https://github.com/F-Stack/f-stack.git
65 lines
1.3 KiB
C
65 lines
1.3 KiB
C
/* SPDX-License-Identifier: BSD-3-Clause
|
|
* Copyright 2018 Gaëtan Rivet
|
|
*/
|
|
|
|
#include <string.h>
|
|
|
|
#include <rte_dev.h>
|
|
#include <rte_bus.h>
|
|
#include <rte_kvargs.h>
|
|
#include <rte_errno.h>
|
|
|
|
#include "vdev_logs.h"
|
|
#include "vdev_private.h"
|
|
|
|
enum vdev_params {
|
|
RTE_VDEV_PARAM_NAME,
|
|
RTE_VDEV_PARAM_MAX,
|
|
};
|
|
|
|
static const char * const vdev_params_keys[] = {
|
|
[RTE_VDEV_PARAM_NAME] = "name",
|
|
[RTE_VDEV_PARAM_MAX] = NULL,
|
|
};
|
|
|
|
static int
|
|
vdev_dev_match(const struct rte_device *dev,
|
|
const void *_kvlist)
|
|
{
|
|
const struct rte_kvargs *kvlist = _kvlist;
|
|
const char *key = vdev_params_keys[RTE_VDEV_PARAM_NAME];
|
|
const char *name;
|
|
|
|
/* no kvlist arg, all devices match */
|
|
if (kvlist == NULL)
|
|
return 0;
|
|
|
|
/* if key is present in kvlist and does not match, filter device */
|
|
name = rte_kvargs_get(kvlist, key);
|
|
if (name != NULL && strcmp(name, dev->name))
|
|
return -1;
|
|
|
|
return 0;
|
|
}
|
|
|
|
void *
|
|
rte_vdev_dev_iterate(const void *start,
|
|
const char *str,
|
|
const struct rte_dev_iterator *it __rte_unused)
|
|
{
|
|
struct rte_kvargs *kvargs = NULL;
|
|
struct rte_device *dev;
|
|
|
|
if (str != NULL) {
|
|
kvargs = rte_kvargs_parse(str, vdev_params_keys);
|
|
if (kvargs == NULL) {
|
|
VDEV_LOG(ERR, "cannot parse argument list\n");
|
|
rte_errno = EINVAL;
|
|
return NULL;
|
|
}
|
|
}
|
|
dev = rte_vdev_find_device(start, vdev_dev_match, kvargs);
|
|
rte_kvargs_free(kvargs);
|
|
return dev;
|
|
}
|