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/* SPDX-License-Identifier: BSD-3-Clause
* Copyright(c) 2018 Intel Corporation
*/
#ifndef _HOTPLUG_MP_H_
#define _HOTPLUG_MP_H_
#include "rte_dev.h"
#define EAL_DEV_MP_ACTION_REQUEST "eal_dev_mp_request"
#define EAL_DEV_MP_ACTION_RESPONSE "eal_dev_mp_response"
#define EAL_DEV_MP_DEV_NAME_MAX_LEN RTE_DEV_NAME_MAX_LEN
#define EAL_DEV_MP_BUS_NAME_MAX_LEN 32
#define EAL_DEV_MP_DEV_ARGS_MAX_LEN 128
enum eal_dev_req_type {
EAL_DEV_REQ_TYPE_ATTACH,
EAL_DEV_REQ_TYPE_DETACH,
EAL_DEV_REQ_TYPE_ATTACH_ROLLBACK,
EAL_DEV_REQ_TYPE_DETACH_ROLLBACK,
};
struct eal_dev_mp_req {
enum eal_dev_req_type t;
char devargs[EAL_DEV_MP_DEV_ARGS_MAX_LEN];
int result;
};
/**
* Register all mp action callbacks for hotplug.
*
* @return
* 0 on success, negative on error.
*/
int
eal_mp_dev_hotplug_init(void);
/**
* Unregister all mp action callbacks for hotplug.
*/
void
eal_mp_dev_hotplug_cleanup(void);
/**
* This is a synchronous wrapper for secondary process send
* request to primary process, this is invoked when an attach
* or detach request is issued from primary process.
*/
int eal_dev_hotplug_request_to_primary(struct eal_dev_mp_req *req);
/**
* this is a synchronous wrapper for primary process send
* request to secondary process, this is invoked when an attach
* or detach request issued from secondary process.
*/
int eal_dev_hotplug_request_to_secondary(struct eal_dev_mp_req *req);
#endif /* _HOTPLUG_MP_H_ */
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