1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright 2018 6WIND S.A.
3 * Copyright 2018 Mellanox Technologies, Ltd
6 #ifndef RTE_PMD_MLX5_COMMON_MP_H_
7 #define RTE_PMD_MLX5_COMMON_MP_H_
11 #include <rte_string_fns.h>
13 /* Request types for IPC. */
14 enum mlx5_mp_req_type {
15 MLX5_MP_REQ_VERBS_CMD_FD = 1,
16 MLX5_MP_REQ_CREATE_MR,
17 MLX5_MP_REQ_START_RXTX,
18 MLX5_MP_REQ_STOP_RXTX,
19 MLX5_MP_REQ_QUEUE_STATE_MODIFY,
22 struct mlx5_mp_arg_queue_state_modify {
23 uint8_t is_wq; /* Set if WQ. */
24 uint16_t queue_id; /* DPDK queue ID. */
25 enum ibv_wq_state state; /* WQ requested state. */
28 /* Pameters for IPC. */
29 struct mlx5_mp_param {
30 enum mlx5_mp_req_type type;
35 uintptr_t addr; /* MLX5_MP_REQ_CREATE_MR */
36 struct mlx5_mp_arg_queue_state_modify state_modify;
37 /* MLX5_MP_REQ_QUEUE_STATE_MODIFY */
41 /* Identifier of a MP process */
43 char name[RTE_MP_MAX_NAME_LEN];
47 /** Request timeout for IPC. */
48 #define MLX5_MP_REQ_TIMEOUT_SEC 5
51 * Initialize IPC message.
54 * Port ID of the device.
56 * Pointer to message to fill in.
61 mp_init_msg(struct mlx5_mp_id *mp_id, struct rte_mp_msg *msg,
62 enum mlx5_mp_req_type type)
64 struct mlx5_mp_param *param = (struct mlx5_mp_param *)msg->param;
66 memset(msg, 0, sizeof(*msg));
67 strlcpy(msg->name, mp_id->name, sizeof(msg->name));
68 msg->len_param = sizeof(*param);
70 param->port_id = mp_id->port_id;
74 int mlx5_mp_init_primary(const char *name, const rte_mp_t primary_action);
76 void mlx5_mp_uninit_primary(const char *name);
78 int mlx5_mp_init_secondary(const char *name, const rte_mp_t secondary_action);
80 void mlx5_mp_uninit_secondary(const char *name);
82 int mlx5_mp_req_mr_create(struct mlx5_mp_id *mp_id, uintptr_t addr);
84 int mlx5_mp_req_queue_state_modify(struct mlx5_mp_id *mp_id,
85 struct mlx5_mp_arg_queue_state_modify *sm);
87 int mlx5_mp_req_verbs_cmd_fd(struct mlx5_mp_id *mp_id);
89 #endif /* RTE_PMD_MLX5_COMMON_MP_H_ */