f0d33f78f7
- New firmware version for UDM (Upstream Data Mover) - Remove device-level start, stop, and reset operations - Add queue-based start, stop and reset as required by firmware - Remove performance structs as they are not in the firmware module Signed-off-by: Ed Czeck <ed.czeck@atomicrules.com>
125 lines
3.1 KiB
C
125 lines
3.1 KiB
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_UDM_H_
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#define _ARK_UDM_H_
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#include <stdint.h>
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#include <rte_memory.h>
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/* The UDM or Upstream Data Mover is an internal Arkville hardware
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* module for moving packet from the RX packet streams to host memory.
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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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/* Meta data structure passed from FPGA, must match layout in FPGA
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* -- 32 bytes
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*/
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struct ark_rx_meta {
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uint32_t user_meta[5]; /* user defined based on fpga code */
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uint8_t reserved[10];
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uint16_t pkt_len;
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} __rte_packed;
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/*
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* UDM hardware structures
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* These are 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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#define ARK_RX_WRITE_TIME_NS 2500
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#define ARK_UDM_SETUP 0
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#define ARK_UDM_MODID 0x4d445500
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#define ARK_UDM_MODVER 0x37313232
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struct ark_udm_setup_t {
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union {
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char id[4];
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uint32_t idnum;
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};
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union {
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char ver[4];
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uint32_t vernum;
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};
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uint32_t r0;
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uint32_t const0;
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};
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#define ARK_UDM_CFG 0x010
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struct ark_udm_cfg_t {
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uint32_t write_interval; /* 4ns cycles */
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volatile uint32_t command;
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uint32_t dataroom;
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uint32_t headroom;
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};
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typedef enum {
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ARK_UDM_START = 0x1,
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ARK_UDM_STOP = 0x2,
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ARK_UDM_RESET = 0x3
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} ark_udm_commands;
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#define ARK_UDM_STATS 0x020
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struct ark_udm_stats_t {
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volatile uint64_t rx_byte_count;
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volatile uint64_t rx_packet_count;
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volatile uint64_t rx_mbuf_count;
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volatile uint64_t rx_sent_packets;
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};
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#define ARK_UDM_PQ 0x040
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struct ark_udm_queue_stats_t {
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volatile uint64_t q_byte_count;
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volatile uint64_t q_packet_count; /* includes drops */
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volatile uint64_t q_mbuf_count;
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volatile uint64_t q_ff_packet_count;
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volatile uint64_t q_pkt_drop;
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uint32_t q_enable;
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};
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#define ARK_UDM_RT_CFG 0x00e0
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struct ark_udm_rt_cfg_t {
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rte_iova_t hw_prod_addr;
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uint32_t reserved;
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volatile uint32_t prod_idx; /* Updated by HW */
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};
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/* Consolidated structure */
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#define ARK_UDM_EXPECT_SIZE (0x00fc + 4)
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#define ARK_UDM_QOFFSET ARK_UDM_EXPECT_SIZE
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struct ark_udm_t {
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struct ark_udm_setup_t setup;
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struct ark_udm_cfg_t cfg;
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struct ark_udm_stats_t stats;
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struct ark_udm_queue_stats_t qstats;
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uint8_t reserved1[(ARK_UDM_RT_CFG - ARK_UDM_PQ) -
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sizeof(struct ark_udm_queue_stats_t)];
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struct ark_udm_rt_cfg_t rt_cfg;
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int8_t reserved3[(ARK_UDM_EXPECT_SIZE - ARK_UDM_RT_CFG) -
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sizeof(struct ark_udm_rt_cfg_t)];
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};
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int ark_udm_verify(struct ark_udm_t *udm);
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void ark_udm_configure(struct ark_udm_t *udm,
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uint32_t headroom,
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uint32_t dataroom);
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void ark_udm_write_addr(struct ark_udm_t *udm, rte_iova_t addr);
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void ark_udm_dump_stats(struct ark_udm_t *udm, const char *msg);
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void ark_udm_dump_queue_stats(struct ark_udm_t *udm, const char *msg,
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uint16_t qid);
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void ark_udm_dump_setup(struct ark_udm_t *udm, uint16_t q_id);
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/* Per queue data */
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uint64_t ark_udm_dropped(struct ark_udm_t *udm);
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uint64_t ark_udm_bytes(struct ark_udm_t *udm);
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uint64_t ark_udm_packets(struct ark_udm_t *udm);
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void ark_udm_queue_stats_reset(struct ark_udm_t *udm);
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void ark_udm_queue_enable(struct ark_udm_t *udm, int enable);
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#endif
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