projects / ceph.git / blame
| Commit | Line | Data |
|---|---|---|
| 9f95a23c TL |
1 | /* SPDX-License-Identifier: BSD-3-Clause |
| 2 | * Copyright (c) 2015-2018 Atomic Rules LLC | |
| 11fdf7f2 TL |
3 | */ |
| 4 | ||
| 5 | #ifndef _ARK_RQP_H_ | |
| 6 | #define _ARK_RQP_H_ | |
| 7 | ||
| 8 | #include <stdint.h> | |
| 9 | ||
| 10 | #include <rte_memory.h> | |
| 11 | ||
| 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. | |
| 17 | */ | |
| 18 | ||
| 19 | /* | |
| 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 | |
| 23 | */ | |
| 24 | struct ark_rqpace_t { | |
| 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; | |
| 50 | char eval[4]; | |
| 51 | volatile int lasped; | |
| 52 | }; | |
| 53 | ||
| 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); | |
| 57 | #endif |