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/* SPDX-License-Identifier: BSD-3-Clause
* Copyright (c) 2015-2018 Atomic Rules LLC
*/
#ifndef _ARK_PKTDIR_H_
#define _ARK_PKTDIR_H_
#include <stdint.h>
#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;
} __attribute__ ((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
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