/* SPDX-License-Identifier: BSD-3-Clause * Copyright (c) 2015-2018 Atomic Rules LLC */ #ifndef _ARK_PKTDIR_H_ #define _ARK_PKTDIR_H_ #include #define ARK_PKTDIR_BASE_ADR 0xa0000 typedef void *ark_pkt_dir_t; /* The packet director is an internal Arkville hardware module for * directing packet data in non-typical flows, such as testing. * This module is *not* intended for end-user manipulation, hence * there is minimal documentation. */ /* * This is an overlay structures to a memory mapped FPGA device. These * structs will never be instantiated in ram memory */ struct ark_pkt_dir_regs { uint32_t ctrl; uint32_t status; uint32_t stall_cnt; } __rte_packed; struct ark_pkt_dir_inst { volatile struct ark_pkt_dir_regs *regs; }; ark_pkt_dir_t ark_pktdir_init(void *base); void ark_pktdir_uninit(ark_pkt_dir_t handle); void ark_pktdir_setup(ark_pkt_dir_t handle, uint32_t v); uint32_t ark_pktdir_stall_cnt(ark_pkt_dir_t handle); uint32_t ark_pktdir_status(ark_pkt_dir_t handle); #endif