47 lines
1.2 KiB
C
47 lines
1.2 KiB
C
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/* SPDX-License-Identifier: BSD-3-Clause
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* Copyright(c) 2018 Intel Corporation
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*/
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#ifndef _HOTPLUG_MP_H_
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#define _HOTPLUG_MP_H_
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#include "rte_dev.h"
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#include "rte_bus.h"
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#define EAL_DEV_MP_ACTION_REQUEST "eal_dev_mp_request"
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#define EAL_DEV_MP_ACTION_RESPONSE "eal_dev_mp_response"
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#define EAL_DEV_MP_DEV_NAME_MAX_LEN RTE_DEV_NAME_MAX_LEN
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#define EAL_DEV_MP_BUS_NAME_MAX_LEN 32
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#define EAL_DEV_MP_DEV_ARGS_MAX_LEN 128
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enum eal_dev_req_type {
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EAL_DEV_REQ_TYPE_ATTACH,
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EAL_DEV_REQ_TYPE_DETACH,
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EAL_DEV_REQ_TYPE_ATTACH_ROLLBACK,
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EAL_DEV_REQ_TYPE_DETACH_ROLLBACK,
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};
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struct eal_dev_mp_req {
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enum eal_dev_req_type t;
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char devargs[EAL_DEV_MP_DEV_ARGS_MAX_LEN];
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int result;
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};
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/**
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* This is a synchronous wrapper for secondary process send
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* request to primary process, this is invoked when an attach
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* or detach request is issued from primary process.
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*/
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int eal_dev_hotplug_request_to_primary(struct eal_dev_mp_req *req);
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/**
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* this is a synchronous wrapper for primary process send
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* request to secondary process, this is invoked when an attach
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* or detach request issued from secondary process.
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*/
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int eal_dev_hotplug_request_to_secondary(struct eal_dev_mp_req *req);
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#endif /* _HOTPLUG_MP_H_ */
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