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9733e9f580
mlx5 uses these as part of the driver implementation, move them to the support module instead. Link: https://patch.msgid.link/r/6-v3-43aba1969751+1988-ib_uverbs_support_ko_jgg@nvidia.com Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
79 lines
1.7 KiB
C
79 lines
1.7 KiB
C
// SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB
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#include "uverbs.h"
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struct ib_uflow_resources *flow_resources_alloc(size_t num_specs)
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{
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struct ib_uflow_resources *resources;
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resources = kzalloc_obj(*resources);
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if (!resources)
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return NULL;
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if (!num_specs)
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goto out;
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resources->counters =
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kzalloc_objs(*resources->counters, num_specs);
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resources->collection =
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kzalloc_objs(*resources->collection, num_specs);
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if (!resources->counters || !resources->collection)
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goto err;
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out:
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resources->max = num_specs;
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return resources;
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err:
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kfree(resources->counters);
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kfree(resources);
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return NULL;
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}
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EXPORT_SYMBOL(flow_resources_alloc);
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void ib_uverbs_flow_resources_free(struct ib_uflow_resources *uflow_res)
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{
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unsigned int i;
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if (!uflow_res)
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return;
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for (i = 0; i < uflow_res->collection_num; i++)
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atomic_dec(&uflow_res->collection[i]->usecnt);
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for (i = 0; i < uflow_res->counters_num; i++)
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atomic_dec(&uflow_res->counters[i]->usecnt);
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kfree(uflow_res->collection);
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kfree(uflow_res->counters);
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kfree(uflow_res);
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}
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EXPORT_SYMBOL(ib_uverbs_flow_resources_free);
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void flow_resources_add(struct ib_uflow_resources *uflow_res,
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enum ib_flow_spec_type type,
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void *ibobj)
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{
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WARN_ON(uflow_res->num >= uflow_res->max);
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switch (type) {
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case IB_FLOW_SPEC_ACTION_HANDLE:
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atomic_inc(&((struct ib_flow_action *)ibobj)->usecnt);
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uflow_res->collection[uflow_res->collection_num++] =
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(struct ib_flow_action *)ibobj;
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break;
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case IB_FLOW_SPEC_ACTION_COUNT:
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atomic_inc(&((struct ib_counters *)ibobj)->usecnt);
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uflow_res->counters[uflow_res->counters_num++] =
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(struct ib_counters *)ibobj;
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break;
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default:
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WARN_ON(1);
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}
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uflow_res->num++;
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}
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EXPORT_SYMBOL(flow_resources_add);
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