mirror of https://github.com/F-Stack/f-stack.git
67 lines
1.3 KiB
C
67 lines
1.3 KiB
C
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/* SPDX-License-Identifier: BSD-3-Clause
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* Copyright 2018 Gaëtan Rivet
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*/
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#include <string.h>
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#include <rte_dev.h>
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#include <rte_bus.h>
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#include <rte_kvargs.h>
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#include <rte_errno.h>
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#include "vdev_logs.h"
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#include "vdev_private.h"
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enum vdev_params {
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RTE_VDEV_PARAM_NAME,
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RTE_VDEV_PARAM_MAX,
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};
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static const char * const vdev_params_keys[] = {
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[RTE_VDEV_PARAM_NAME] = "name",
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[RTE_VDEV_PARAM_MAX] = NULL,
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};
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static int
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vdev_dev_match(const struct rte_device *dev,
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const void *_kvlist)
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{
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int ret;
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const struct rte_kvargs *kvlist = _kvlist;
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char *name;
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/* cannot pass const dev->name to rte_kvargs_process() */
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name = strdup(dev->name);
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if (name == NULL)
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return -1;
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ret = rte_kvargs_process(kvlist,
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vdev_params_keys[RTE_VDEV_PARAM_NAME],
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rte_kvargs_strcmp, name);
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free(name);
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if (ret != 0)
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return -1;
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return 0;
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}
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void *
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rte_vdev_dev_iterate(const void *start,
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const char *str,
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const struct rte_dev_iterator *it __rte_unused)
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{
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struct rte_kvargs *kvargs = NULL;
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struct rte_device *dev;
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if (str != NULL) {
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kvargs = rte_kvargs_parse(str, vdev_params_keys);
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if (kvargs == NULL) {
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VDEV_LOG(ERR, "cannot parse argument list\n");
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rte_errno = EINVAL;
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return NULL;
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}
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}
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dev = rte_vdev_find_device(start, vdev_dev_match, kvargs);
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rte_kvargs_free(kvargs);
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return dev;
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}
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