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_MEMPOOL_REGISTER,
18 MLX5_MP_REQ_MEMPOOL_UNREGISTER,
19 MLX5_MP_REQ_START_RXTX,
20 MLX5_MP_REQ_STOP_RXTX,
21 MLX5_MP_REQ_QUEUE_STATE_MODIFY,
22 MLX5_MP_REQ_QUEUE_RX_STOP,
23 MLX5_MP_REQ_QUEUE_RX_START,
24 MLX5_MP_REQ_QUEUE_TX_STOP,
25 MLX5_MP_REQ_QUEUE_TX_START,
28 struct mlx5_mp_arg_queue_state_modify {
29 uint8_t is_wq; /* Set if WQ. */
30 uint16_t queue_id; /* DPDK queue ID. */
31 enum ibv_wq_state state; /* WQ requested state. */
34 struct mlx5_mp_arg_queue_id {
35 uint16_t queue_id; /* DPDK queue ID. */
38 struct mlx5_mp_arg_mr_manage {
39 struct mlx5_common_device *cdev;
41 struct rte_mempool *mempool;
42 /* MLX5_MP_REQ_MEMPOOL_(UN)REGISTER */
43 uintptr_t addr; /* MLX5_MP_REQ_CREATE_MR */
47 /* Parameters for IPC. */
48 struct mlx5_mp_param {
49 enum mlx5_mp_req_type type;
54 struct mlx5_mp_arg_mr_manage mr_manage;
55 /* MLX5_MP_REQ_MEMPOOL_(UN)REGISTER, MLX5_MP_REQ_CREATE_MR */
56 struct mlx5_mp_arg_queue_state_modify state_modify;
57 /* MLX5_MP_REQ_QUEUE_STATE_MODIFY */
58 struct mlx5_mp_arg_queue_id queue_id;
59 /* MLX5_MP_REQ_QUEUE_RX/TX_START/STOP */
63 /* Identifier of a MP process */
65 char name[RTE_MP_MAX_NAME_LEN];
69 /** Key string for IPC. */
70 #define MLX5_MP_NAME "common_mlx5_mp"
72 /** Initialize a multi-process ID. */
74 mlx5_mp_id_init(struct mlx5_mp_id *mp_id, uint16_t port_id)
76 mp_id->port_id = port_id;
77 strlcpy(mp_id->name, MLX5_MP_NAME, RTE_MP_MAX_NAME_LEN);
80 /** Request timeout for IPC. */
81 #define MLX5_MP_REQ_TIMEOUT_SEC 5
84 * Initialize IPC message.
87 * Port ID of the device.
89 * Pointer to message to fill in.
94 mp_init_msg(struct mlx5_mp_id *mp_id, struct rte_mp_msg *msg,
95 enum mlx5_mp_req_type type)
97 struct mlx5_mp_param *param = (struct mlx5_mp_param *)msg->param;
99 memset(msg, 0, sizeof(*msg));
100 strlcpy(msg->name, mp_id->name, sizeof(msg->name));
101 msg->len_param = sizeof(*param);
103 param->port_id = mp_id->port_id;
107 * Initialize IPC port-agnostic message.
110 * Pointer to message to fill in.
115 mp_init_port_agnostic_msg(struct rte_mp_msg *msg, enum mlx5_mp_req_type type)
117 struct mlx5_mp_param *param = (struct mlx5_mp_param *)msg->param;
119 memset(msg, 0, sizeof(*msg));
120 strlcpy(msg->name, MLX5_MP_NAME, sizeof(msg->name));
121 msg->len_param = sizeof(*param);
126 int mlx5_mp_init_primary(const char *name, const rte_mp_t primary_action);
128 void mlx5_mp_uninit_primary(const char *name);
130 int mlx5_mp_init_secondary(const char *name, const rte_mp_t secondary_action);
132 void mlx5_mp_uninit_secondary(const char *name);
134 int mlx5_mp_req_mr_create(struct mlx5_common_device *cdev, uintptr_t addr);
136 int mlx5_mp_req_mempool_reg(struct mlx5_common_device *cdev,
137 struct rte_mempool *mempool, bool reg);
139 int mlx5_mp_req_queue_state_modify(struct mlx5_mp_id *mp_id,
140 struct mlx5_mp_arg_queue_state_modify *sm);
142 int mlx5_mp_req_verbs_cmd_fd(struct mlx5_mp_id *mp_id);
144 #endif /* RTE_PMD_MLX5_COMMON_MP_H_ */