1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright (c) 2015-2018 Atomic Rules LLC
10 #include <rte_memory.h>
12 /* The RQP or ReQuest Pacer is an internal Arkville hardware module
13 * which limits the PCIE data flow to insure correct operation for the
14 * particular hardware PCIE endpoint.
15 * This module is *not* intended for end-user manipulation, hence
16 * there is minimal documentation.
20 * RQ Pacing core hardware structure
21 * This is an overlay structures to a memory mapped FPGA device. These
22 * structs will never be instantiated in ram memory
25 volatile uint32_t ctrl;
26 volatile uint32_t stats_clear;
27 volatile uint32_t cplh_max;
28 volatile uint32_t cpld_max;
29 volatile uint32_t err_cnt;
30 volatile uint32_t stall_ps;
31 volatile uint32_t stall_ps_min;
32 volatile uint32_t stall_ps_max;
33 volatile uint32_t req_ps;
34 volatile uint32_t req_ps_min;
35 volatile uint32_t req_ps_max;
36 volatile uint32_t req_dw_ps;
37 volatile uint32_t req_dw_ps_min;
38 volatile uint32_t req_dw_ps_max;
39 volatile uint32_t cpl_ps;
40 volatile uint32_t cpl_ps_min;
41 volatile uint32_t cpl_ps_max;
42 volatile uint32_t cpl_dw_ps;
43 volatile uint32_t cpl_dw_ps_min;
44 volatile uint32_t cpl_dw_ps_max;
45 volatile uint32_t cplh_pending;
46 volatile uint32_t cpld_pending;
47 volatile uint32_t cplh_pending_max;
48 volatile uint32_t cpld_pending_max;
49 volatile uint32_t err_count_other;
54 void ark_rqp_dump(struct ark_rqpace_t *rqp);
55 void ark_rqp_stats_reset(struct ark_rqpace_t *rqp);
56 int ark_rqp_lasped(struct ark_rqpace_t *rqp);