1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright(c) 2018 Intel Corporation
11 #define EAL_DEV_MP_ACTION_REQUEST "eal_dev_mp_request"
12 #define EAL_DEV_MP_ACTION_RESPONSE "eal_dev_mp_response"
14 #define EAL_DEV_MP_DEV_NAME_MAX_LEN RTE_DEV_NAME_MAX_LEN
15 #define EAL_DEV_MP_BUS_NAME_MAX_LEN 32
16 #define EAL_DEV_MP_DEV_ARGS_MAX_LEN 128
18 enum eal_dev_req_type {
19 EAL_DEV_REQ_TYPE_ATTACH,
20 EAL_DEV_REQ_TYPE_DETACH,
21 EAL_DEV_REQ_TYPE_ATTACH_ROLLBACK,
22 EAL_DEV_REQ_TYPE_DETACH_ROLLBACK,
25 struct eal_dev_mp_req {
26 enum eal_dev_req_type t;
27 char devargs[EAL_DEV_MP_DEV_ARGS_MAX_LEN];
32 * Register all mp action callbacks for hotplug.
35 * 0 on success, negative on error.
38 eal_mp_dev_hotplug_init(void);
41 * Unregister all mp action callbacks for hotplug.
44 eal_mp_dev_hotplug_cleanup(void);
47 * This is a synchronous wrapper for secondary process send
48 * request to primary process, this is invoked when an attach
49 * or detach request is issued from primary process.
51 int eal_dev_hotplug_request_to_primary(struct eal_dev_mp_req *req);
54 * this is a synchronous wrapper for primary process send
55 * request to secondary process, this is invoked when an attach
56 * or detach request issued from secondary process.
58 int eal_dev_hotplug_request_to_secondary(struct eal_dev_mp_req *req);
61 #endif /* _HOTPLUG_MP_H_ */