2018-07-03 21:36:42 +00:00
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/* SPDX-License-Identifier: BSD-3-Clause
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* Copyright (c) 2015-2018 Atomic Rules LLC
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2017-04-04 19:50:40 +00:00
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*/
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#ifndef _ARK_RQP_H_
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#define _ARK_RQP_H_
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#include <stdint.h>
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#include <rte_memory.h>
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/* The RQP or ReQuest Pacer is an internal Arkville hardware module
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* which limits the PCIE data flow to insure correct operation for the
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* particular hardware PCIE endpoint.
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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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* RQ Pacing core hardware structure
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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_rqpace_t {
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volatile uint32_t ctrl;
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volatile uint32_t stats_clear;
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volatile uint32_t cplh_max;
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volatile uint32_t cpld_max;
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volatile uint32_t err_cnt;
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volatile uint32_t stall_ps;
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volatile uint32_t stall_ps_min;
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volatile uint32_t stall_ps_max;
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volatile uint32_t req_ps;
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volatile uint32_t req_ps_min;
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volatile uint32_t req_ps_max;
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volatile uint32_t req_dw_ps;
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volatile uint32_t req_dw_ps_min;
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volatile uint32_t req_dw_ps_max;
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volatile uint32_t cpl_ps;
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volatile uint32_t cpl_ps_min;
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volatile uint32_t cpl_ps_max;
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volatile uint32_t cpl_dw_ps;
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volatile uint32_t cpl_dw_ps_min;
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volatile uint32_t cpl_dw_ps_max;
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volatile uint32_t cplh_pending;
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volatile uint32_t cpld_pending;
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volatile uint32_t cplh_pending_max;
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volatile uint32_t cpld_pending_max;
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volatile uint32_t err_count_other;
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2017-04-11 15:41:50 +00:00
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char eval[4];
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volatile int lasped;
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2017-04-04 19:50:40 +00:00
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};
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void ark_rqp_dump(struct ark_rqpace_t *rqp);
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void ark_rqp_stats_reset(struct ark_rqpace_t *rqp);
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2017-04-11 15:41:50 +00:00
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int ark_rqp_lasped(struct ark_rqpace_t *rqp);
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2017-04-04 19:50:40 +00:00
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#endif
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