mirror of https://github.com/F-Stack/f-stack.git
67 lines
1.4 KiB
C
67 lines
1.4 KiB
C
/* SPDX-License-Identifier: BSD-3-Clause
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* Copyright (c) 2021 NVIDIA Corporation & Affiliates
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*/
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#include <string.h>
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#include <rte_bus.h>
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#include <rte_dev.h>
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#include <rte_errno.h>
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#include <rte_kvargs.h>
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#include "private.h"
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#include "rte_bus_auxiliary.h"
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enum auxiliary_params {
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RTE_AUXILIARY_PARAM_NAME,
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};
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static const char * const auxiliary_params_keys[] = {
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[RTE_AUXILIARY_PARAM_NAME] = "name",
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NULL,
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};
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static int
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auxiliary_dev_match(const struct rte_device *dev,
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const void *_kvlist)
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{
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const struct rte_kvargs *kvlist = _kvlist;
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const char *key = auxiliary_params_keys[RTE_AUXILIARY_PARAM_NAME];
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const char *name;
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/* no kvlist arg, all devices match */
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if (kvlist == NULL)
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return 0;
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/* if key is present in kvlist and does not match, filter device */
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name = rte_kvargs_get(kvlist, key);
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if (name != NULL && strcmp(name, dev->name))
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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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auxiliary_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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rte_bus_find_device_t find_device;
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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, auxiliary_params_keys);
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if (kvargs == NULL) {
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AUXILIARY_LOG(ERR, "cannot parse argument list %s",
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str);
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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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find_device = auxiliary_bus.bus.find_device;
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dev = find_device(start, auxiliary_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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