ef5baf3486
There is a common macro __rte_packed for packing structs, which is now used where appropriate for consistency. Signed-off-by: Thomas Monjalon <thomas@monjalon.net>
42 lines
1021 B
C
42 lines
1021 B
C
/* SPDX-License-Identifier: BSD-3-Clause
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* Copyright (c) 2015-2018 Atomic Rules LLC
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*/
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#ifndef _ARK_PKTDIR_H_
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#define _ARK_PKTDIR_H_
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#include <stdint.h>
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#define ARK_PKTDIR_BASE_ADR 0xa0000
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typedef void *ark_pkt_dir_t;
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/* The packet director is an internal Arkville hardware module for
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* directing packet data in non-typical flows, such as testing.
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* This module is *not* intended for end-user manipulation, hence
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* there is minimal documentation.
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*/
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/*
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* This is an overlay structures to a memory mapped FPGA device. These
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* structs will never be instantiated in ram memory
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*/
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struct ark_pkt_dir_regs {
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uint32_t ctrl;
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uint32_t status;
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uint32_t stall_cnt;
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} __rte_packed;
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struct ark_pkt_dir_inst {
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volatile struct ark_pkt_dir_regs *regs;
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};
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ark_pkt_dir_t ark_pktdir_init(void *base);
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void ark_pktdir_uninit(ark_pkt_dir_t handle);
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void ark_pktdir_setup(ark_pkt_dir_t handle, uint32_t v);
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uint32_t ark_pktdir_stall_cnt(ark_pkt_dir_t handle);
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uint32_t ark_pktdir_status(ark_pkt_dir_t handle);
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#endif
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