1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright(c) 2018 Intel Corporation
10 #define EAL_DEV_MP_ACTION_REQUEST "eal_dev_mp_request"
11 #define EAL_DEV_MP_ACTION_RESPONSE "eal_dev_mp_response"
13 #define EAL_DEV_MP_DEV_NAME_MAX_LEN RTE_DEV_NAME_MAX_LEN
14 #define EAL_DEV_MP_BUS_NAME_MAX_LEN 32
15 #define EAL_DEV_MP_DEV_ARGS_MAX_LEN 128
17 enum eal_dev_req_type {
18 EAL_DEV_REQ_TYPE_ATTACH,
19 EAL_DEV_REQ_TYPE_DETACH,
20 EAL_DEV_REQ_TYPE_ATTACH_ROLLBACK,
21 EAL_DEV_REQ_TYPE_DETACH_ROLLBACK,
24 struct eal_dev_mp_req {
25 enum eal_dev_req_type t;
26 char devargs[EAL_DEV_MP_DEV_ARGS_MAX_LEN];
31 * Register all mp action callbacks for hotplug.
34 * 0 on success, negative on error.
37 eal_mp_dev_hotplug_init(void);
40 * Unregister all mp action callbacks for hotplug.
43 eal_mp_dev_hotplug_cleanup(void);
46 * This is a synchronous wrapper for secondary process send
47 * request to primary process, this is invoked when an attach
48 * or detach request is issued from primary process.
50 int eal_dev_hotplug_request_to_primary(struct eal_dev_mp_req *req);
53 * this is a synchronous wrapper for primary process send
54 * request to secondary process, this is invoked when an attach
55 * or detach request issued from secondary process.
57 int eal_dev_hotplug_request_to_secondary(struct eal_dev_mp_req *req);
60 #endif /* _HOTPLUG_MP_H_ */