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_
10 /* ISO C doesn't support unnamed structs/unions, disabling -pedantic. */
12 #pragma GCC diagnostic ignored "-Wpedantic"
14 #include <infiniband/verbs.h>
16 #pragma GCC diagnostic error "-Wpedantic"
20 #include <rte_string_fns.h>
22 /* Request types for IPC. */
23 enum mlx5_mp_req_type {
24 MLX5_MP_REQ_VERBS_CMD_FD = 1,
25 MLX5_MP_REQ_CREATE_MR,
26 MLX5_MP_REQ_START_RXTX,
27 MLX5_MP_REQ_STOP_RXTX,
28 MLX5_MP_REQ_QUEUE_STATE_MODIFY,
31 struct mlx5_mp_arg_queue_state_modify {
32 uint8_t is_wq; /* Set if WQ. */
33 uint16_t queue_id; /* DPDK queue ID. */
34 enum ibv_wq_state state; /* WQ requested state. */
37 /* Pameters for IPC. */
38 struct mlx5_mp_param {
39 enum mlx5_mp_req_type type;
44 uintptr_t addr; /* MLX5_MP_REQ_CREATE_MR */
45 struct mlx5_mp_arg_queue_state_modify state_modify;
46 /* MLX5_MP_REQ_QUEUE_STATE_MODIFY */
50 /* Identifier of a MP process */
52 char name[RTE_MP_MAX_NAME_LEN];
56 /** Request timeout for IPC. */
57 #define MLX5_MP_REQ_TIMEOUT_SEC 5
60 * Initialize IPC message.
63 * Port ID of the device.
65 * Pointer to message to fill in.
70 mp_init_msg(struct mlx5_mp_id *mp_id, struct rte_mp_msg *msg,
71 enum mlx5_mp_req_type type)
73 struct mlx5_mp_param *param = (struct mlx5_mp_param *)msg->param;
75 memset(msg, 0, sizeof(*msg));
76 strlcpy(msg->name, mp_id->name, sizeof(msg->name));
77 msg->len_param = sizeof(*param);
79 param->port_id = mp_id->port_id;
83 int mlx5_mp_init_primary(const char *name, const rte_mp_t primary_action);
85 void mlx5_mp_uninit_primary(const char *name);
87 int mlx5_mp_init_secondary(const char *name, const rte_mp_t secondary_action);
89 void mlx5_mp_uninit_secondary(const char *name);
91 int mlx5_mp_req_mr_create(struct mlx5_mp_id *mp_id, uintptr_t addr);
93 int mlx5_mp_req_queue_state_modify(struct mlx5_mp_id *mp_id,
94 struct mlx5_mp_arg_queue_state_modify *sm);
96 int mlx5_mp_req_verbs_cmd_fd(struct mlx5_mp_id *mp_id);
98 #endif /* RTE_PMD_MLX5_COMMON_MP_H_ */