9ff8fe95dc
Expose additional fpga status registers. Report hardware status during PMD init. Signed-off-by: Ed Czeck <ed.czeck@atomicrules.com> Acked-by: John Miller <john.miller@atomicrules.com>
87 lines
3.1 KiB
C
87 lines
3.1 KiB
C
/*-
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* BSD LICENSE
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*
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* Copyright (c) 2015-2017 Atomic Rules LLC
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* * Neither the name of copyright holder nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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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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char eval[4];
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volatile int lasped;
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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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int ark_rqp_lasped(struct ark_rqpace_t *rqp);
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#endif
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