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1/* SPDX-License-Identifier: GPL-2.0-or-later */2/*3 * Copyright (c) 2014-2015 Hisilicon Limited.4 */5 6#ifndef _HNS_DSAF_RCB_H7#define _HNS_DSAF_RCB_H8 9#include <linux/netdevice.h>10#include <linux/platform_device.h>11 12#include "hnae.h"13#include "hns_dsaf_main.h"14 15struct rcb_common_cb;16 17#define HNS_RCB_IRQ_NUM_PER_QUEUE 218#define HNS_RCB_IRQ_IDX_TX 019#define HNS_RCB_IRQ_IDX_RX 120#define HNS_RCB_TX_REG_OFFSET 0x4021 22#define HNS_RCB_SERVICE_NW_ENGINE_NUM DSAF_COMM_CHN23#define HNS_RCB_DEBUG_NW_ENGINE_NUM 124#define HNS_RCB_RING_MAX_BD_PER_PKT 325#define HNS_RCB_RING_MAX_TXBD_PER_PKT 326#define HNS_RCBV2_RING_MAX_TXBD_PER_PKT 827#define HNS_RCB_MAX_PKT_SIZE MAC_MAX_MTU28 29#define HNS_RCB_RING_MAX_PENDING_BD 102430#define HNS_RCB_RING_MIN_PENDING_BD 1631 32#define HNS_RCB_REG_OFFSET 0x1000033 34#define HNS_RCB_TX_FRAMES_LOW 135#define HNS_RCB_RX_FRAMES_LOW 136#define HNS_RCB_TX_FRAMES_HIGH 102337#define HNS_RCB_RX_FRAMES_HIGH 102338#define HNS_RCB_TX_USECS_LOW 139#define HNS_RCB_RX_USECS_LOW 140#define HNS_RCB_TX_USECS_HIGH 102341#define HNS_RCB_RX_USECS_HIGH 102342#define HNS_RCB_MAX_COALESCED_FRAMES 102343#define HNS_RCB_MIN_COALESCED_FRAMES 144#define HNS_RCB_DEF_RX_COALESCED_FRAMES 5045#define HNS_RCB_DEF_TX_COALESCED_FRAMES 146#define HNS_RCB_CLK_FREQ_MHZ 35047#define HNS_RCB_MAX_COALESCED_USECS 0x3ff48#define HNS_RCB_DEF_COALESCED_USECS 3049#define HNS_RCB_DEF_GAP_TIME_USECS 2050#define HNS_RCB_TX_PKTLINE_OFFSET 851 52#define HNS_RCB_COMMON_ENDIAN 153 54#define HNS_BD_SIZE_512_TYPE 055#define HNS_BD_SIZE_1024_TYPE 156#define HNS_BD_SIZE_2048_TYPE 257#define HNS_BD_SIZE_4096_TYPE 358 59#define HNS_RCB_COMMON_DUMP_REG_NUM 8060#define HNS_RCB_RING_DUMP_REG_NUM 4061#define HNS_RING_STATIC_REG_NUM 2862 63#define HNS_DUMP_REG_NUM 50064#define HNS_STATIC_REG_NUM 1265 66#define HNS_TSO_MODE_8BD_32K 167#define HNS_TSO_MDOE_4BD_16K 068 69enum rcb_int_flag {70 RCB_INT_FLAG_TX = 0x1,71 RCB_INT_FLAG_RX = (0x1 << 1),72 RCB_INT_FLAG_MAX = (0x1 << 2), /*must be the last element */73};74 75struct hns_ring_hw_stats {76 u64 tx_pkts;77 u64 ppe_tx_ok_pkts;78 u64 ppe_tx_drop_pkts;79 u64 rx_pkts;80 u64 ppe_rx_ok_pkts;81 u64 ppe_rx_drop_pkts;82};83 84struct ring_pair_cb {85 struct rcb_common_cb *rcb_common; /* ring belongs to */86 struct device *dev; /*device for DMA mapping */87 struct hnae_queue q;88 89 u16 index; /* global index in a rcb common device */90 u16 buf_size;91 92 int virq[HNS_RCB_IRQ_NUM_PER_QUEUE];93 94 u8 port_id_in_comm;95 u8 used_by_vf;96 97 struct hns_ring_hw_stats hw_stats;98};99 100struct rcb_common_cb {101 u8 __iomem *io_base;102 phys_addr_t phy_base;103 struct dsaf_device *dsaf_dev;104 u16 max_vfn;105 u16 max_q_per_vf;106 107 u8 comm_index;108 u32 ring_num;109 u32 desc_num; /* desc num per queue*/110 111 struct ring_pair_cb ring_pair_cb[] __counted_by(ring_num);112};113 114int hns_rcb_buf_size2type(u32 buf_size);115 116int hns_rcb_common_get_cfg(struct dsaf_device *dsaf_dev, int comm_index);117void hns_rcb_common_free_cfg(struct dsaf_device *dsaf_dev, u32 comm_index);118int hns_rcb_common_init_hw(struct rcb_common_cb *rcb_common);119void hns_rcb_start(struct hnae_queue *q, u32 val);120int hns_rcb_get_cfg(struct rcb_common_cb *rcb_common);121void hns_rcb_get_queue_mode(enum dsaf_mode dsaf_mode,122 u16 *max_vfn, u16 *max_q_per_vf);123 124void hns_rcb_common_init_commit_hw(struct rcb_common_cb *rcb_common);125 126void hns_rcb_ring_enable_hw(struct hnae_queue *q, u32 val);127void hns_rcb_int_clr_hw(struct hnae_queue *q, u32 flag);128void hns_rcb_int_ctrl_hw(struct hnae_queue *q, u32 flag, u32 enable);129void hns_rcbv2_int_ctrl_hw(struct hnae_queue *q, u32 flag, u32 mask);130void hns_rcbv2_int_clr_hw(struct hnae_queue *q, u32 flag);131 132void hns_rcb_init_hw(struct ring_pair_cb *ring);133void hns_rcb_reset_ring_hw(struct hnae_queue *q);134void hns_rcb_wait_fbd_clean(struct hnae_queue **qs, int q_num, u32 flag);135int hns_rcb_wait_tx_ring_clean(struct hnae_queue *qs);136u32 hns_rcb_get_rx_coalesced_frames(137 struct rcb_common_cb *rcb_common, u32 port_idx);138u32 hns_rcb_get_tx_coalesced_frames(139 struct rcb_common_cb *rcb_common, u32 port_idx);140u32 hns_rcb_get_coalesce_usecs(141 struct rcb_common_cb *rcb_common, u32 port_idx);142int hns_rcb_set_coalesce_usecs(143 struct rcb_common_cb *rcb_common, u32 port_idx, u32 timeout);144int hns_rcb_set_rx_coalesced_frames(145 struct rcb_common_cb *rcb_common, u32 port_idx, u32 coalesced_frames);146int hns_rcb_set_tx_coalesced_frames(147 struct rcb_common_cb *rcb_common, u32 port_idx, u32 coalesced_frames);148void hns_rcb_update_stats(struct hnae_queue *queue);149 150void hns_rcb_get_stats(struct hnae_queue *queue, u64 *data);151 152void hns_rcb_get_common_regs(struct rcb_common_cb *rcb_common, void *data);153 154int hns_rcb_get_ring_sset_count(int stringset);155int hns_rcb_get_common_regs_count(void);156int hns_rcb_get_ring_regs_count(void);157 158void hns_rcb_get_ring_regs(struct hnae_queue *queue, void *data);159 160void hns_rcb_get_strings(int stringset, u8 *data, int index);161void hns_rcb_set_rx_ring_bs(struct hnae_queue *q, u32 buf_size);162void hns_rcb_set_tx_ring_bs(struct hnae_queue *q, u32 buf_size);163 164#endif /* _HNS_DSAF_RCB_H */165