mirror of https://github.com/F-Stack/f-stack.git
100 lines
2.5 KiB
C
100 lines
2.5 KiB
C
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/* SPDX-License-Identifier: BSD-3-Clause
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* Copyright 2018 6WIND S.A.
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* Copyright 2018 Mellanox Technologies, Ltd
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*/
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#ifndef RTE_PMD_MLX5_COMMON_MP_H_
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#define RTE_PMD_MLX5_COMMON_MP_H_
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#include <mlx5_glue.h>
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#include <rte_eal.h>
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#include <rte_string_fns.h>
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/* Request types for IPC. */
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enum mlx5_mp_req_type {
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MLX5_MP_REQ_VERBS_CMD_FD = 1,
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MLX5_MP_REQ_CREATE_MR,
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MLX5_MP_REQ_START_RXTX,
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MLX5_MP_REQ_STOP_RXTX,
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MLX5_MP_REQ_QUEUE_STATE_MODIFY,
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MLX5_MP_REQ_QUEUE_RX_STOP,
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MLX5_MP_REQ_QUEUE_RX_START,
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MLX5_MP_REQ_QUEUE_TX_STOP,
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MLX5_MP_REQ_QUEUE_TX_START,
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};
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struct mlx5_mp_arg_queue_state_modify {
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uint8_t is_wq; /* Set if WQ. */
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uint16_t queue_id; /* DPDK queue ID. */
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enum ibv_wq_state state; /* WQ requested state. */
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};
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struct mlx5_mp_arg_queue_id {
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uint16_t queue_id; /* DPDK queue ID. */
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};
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/* Pameters for IPC. */
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struct mlx5_mp_param {
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enum mlx5_mp_req_type type;
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int port_id;
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int result;
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RTE_STD_C11
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union {
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uintptr_t addr; /* MLX5_MP_REQ_CREATE_MR */
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struct mlx5_mp_arg_queue_state_modify state_modify;
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/* MLX5_MP_REQ_QUEUE_STATE_MODIFY */
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struct mlx5_mp_arg_queue_id queue_id;
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/* MLX5_MP_REQ_QUEUE_RX/TX_START/STOP */
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} args;
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};
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/* Identifier of a MP process */
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struct mlx5_mp_id {
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char name[RTE_MP_MAX_NAME_LEN];
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uint16_t port_id;
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};
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/** Request timeout for IPC. */
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#define MLX5_MP_REQ_TIMEOUT_SEC 5
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/**
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* Initialize IPC message.
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*
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* @param[in] port_id
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* Port ID of the device.
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* @param[out] msg
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* Pointer to message to fill in.
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* @param[in] type
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* Message type.
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*/
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static inline void
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mp_init_msg(struct mlx5_mp_id *mp_id, struct rte_mp_msg *msg,
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enum mlx5_mp_req_type type)
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{
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struct mlx5_mp_param *param = (struct mlx5_mp_param *)msg->param;
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memset(msg, 0, sizeof(*msg));
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strlcpy(msg->name, mp_id->name, sizeof(msg->name));
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msg->len_param = sizeof(*param);
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param->type = type;
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param->port_id = mp_id->port_id;
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}
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__rte_internal
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int mlx5_mp_init_primary(const char *name, const rte_mp_t primary_action);
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__rte_internal
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void mlx5_mp_uninit_primary(const char *name);
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__rte_internal
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int mlx5_mp_init_secondary(const char *name, const rte_mp_t secondary_action);
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__rte_internal
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void mlx5_mp_uninit_secondary(const char *name);
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__rte_internal
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int mlx5_mp_req_mr_create(struct mlx5_mp_id *mp_id, uintptr_t addr);
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__rte_internal
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int mlx5_mp_req_queue_state_modify(struct mlx5_mp_id *mp_id,
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struct mlx5_mp_arg_queue_state_modify *sm);
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__rte_internal
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int mlx5_mp_req_verbs_cmd_fd(struct mlx5_mp_id *mp_id);
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#endif /* RTE_PMD_MLX5_COMMON_MP_H_ */
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