src/dpdk/drivers/common/mlx5/mlx5_common_mp.c
int
mlx5_mp_req_mr_create(struct mlx5_mp_id *mp_id, uintptr_t addr)
{
	struct rte_mp_msg mp_req;
	struct rte_mp_msg *mp_res;
	struct rte_mp_reply mp_rep;
	struct mlx5_mp_param *req = (struct mlx5_mp_param *)mp_req.param;
	struct mlx5_mp_param *res;
	struct timespec ts = {.tv_sec = MLX5_MP_REQ_TIMEOUT_SEC, .tv_nsec = 0};
	int ret;

	MLX5_ASSERT(rte_eal_process_type() == RTE_PROC_SECONDARY);
	mp_init_msg(mp_id, &mp_req, MLX5_MP_REQ_CREATE_MR);
	req->args.addr = addr;
	ret = rte_mp_request_sync(&mp_req, &mp_rep, &ts);
	if (ret) {
		DRV_LOG(ERR, "port %u request to primary process failed",
			mp_id->port_id);
		return -rte_errno;
	}
	MLX5_ASSERT(mp_rep.nb_received == 1);
	mp_res = &mp_rep.msgs[0];
	res = (struct mlx5_mp_param *)mp_res->param;
	ret = res->result;
	if (ret)
		rte_errno = -ret;
	mlx5_free(mp_rep.msgs);
	return ret;
}
/**
 * Request Memory Region creation to the primary process.
 *
 * @param[in] mp_id
 *   ID of the MP process.
 * @param addr
 *   Target virtual address to register.
 *
 * @return
 *   0 on success, a negative errno value otherwise and rte_errno is set.
 */
Request Memory Region creation to the primary process.
@param[in] mp_id
ID of the MP process.
@param addr
Target virtual address to register.

@return
0 on success, a negative errno value otherwise and rte_errno is set.
Request Memory Region creation to the primary process . @param [ in ] mp_id ID of the MP process . @param addr Target virtual address to register . @return 0 on success a negative errno value otherwise and rte_errno is set .
int
mlx5_mp_req_mr_create(struct mlx5_mp_id *mp_id, uintptr_t addr)
{
	struct rte_mp_msg mp_req;
	struct rte_mp_msg *mp_res;
	struct rte_mp_reply mp_rep;
	struct mlx5_mp_param *req = (struct mlx5_mp_param *)mp_req.param;
	struct mlx5_mp_param *res;
	struct timespec ts = {.tv_sec = MLX5_MP_REQ_TIMEOUT_SEC, .tv_nsec = 0};
	int ret;
	MLX5_ASSERT(rte_eal_process_type() == RTE_PROC_SECONDARY);
	mp_init_msg(mp_id, &mp_req, MLX5_MP_REQ_CREATE_MR);
	req->args.addr = addr;
	ret = rte_mp_request_sync(&mp_req, &mp_rep, &ts);
	if (ret) {
		DRV_LOG(ERR, "port %u request to primary process failed",
			mp_id->port_id);
		return -rte_errno;
	}
	MLX5_ASSERT(mp_rep.nb_received == 1);
	mp_res = &mp_rep.msgs[0];
	res = (struct mlx5_mp_param *)mp_res->param;
	ret = res->result;
	if (ret)
		rte_errno = -ret;
	mlx5_free(mp_rep.msgs);
	return ret;
}
int mlx5_mp_req_mr_create ( struct mlx5_mp_id * mp_id , uintptr_t addr ) { struct rte_mp_msg mp_req ; struct rte_mp_msg * mp_res ; struct rte_mp_reply mp_rep ; struct mlx5_mp_param * req = ( struct mlx5_mp_param * ) mp_req . param ; struct mlx5_mp_param * res ; struct timespec ts = { . tv_sec = MLX5_MP_REQ_TIMEOUT_SEC , . tv_nsec = 0 } ; int ret ; MLX5_ASSERT ( rte_eal_process_type ( ) == RTE_PROC_SECONDARY ) ; mp_init_msg ( mp_id , & mp_req , MLX5_MP_REQ_CREATE_MR ) ; req -> args . addr = addr ; ret = rte_mp_request_sync ( & mp_req , & mp_rep , & ts ) ; if ( ret ) { DRV_LOG ( ERR , " " , mp_id -> port_id ) ; return - rte_errno ; } MLX5_ASSERT ( mp_rep . nb_received == 1 ) ; mp_res = & mp_rep . msgs [ 0 ] ; res = ( struct mlx5_mp_param * ) mp_res -> param ; ret = res -> result ; if ( ret ) rte_errno = - ret ; mlx5_free ( mp_rep . msgs ) ; return ret ; }
Request Memory Region creation to the primary process.
Request Memory Region creation to the primary process .