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1/* SPDX-License-Identifier: GPL-2.0-only */2/*3 * Huawei HiNIC PCI Express Linux driver4 * Copyright(c) 2017 Huawei Technologies Co., Ltd5 */6 7#ifndef HINIC_HW_IO_H8#define HINIC_HW_IO_H9 10#include <linux/types.h>11#include <linux/pci.h>12#include <linux/semaphore.h>13#include <linux/sizes.h>14 15#include "hinic_hw_if.h"16#include "hinic_hw_eqs.h"17#include "hinic_hw_wq.h"18#include "hinic_hw_cmdq.h"19#include "hinic_hw_qp.h"20 21#define HINIC_DB_PAGE_SIZE SZ_4K22#define HINIC_DB_SIZE SZ_4M23#define HINIC_HW_WQ_PAGE_SIZE SZ_4K24#define HINIC_DEFAULT_WQ_PAGE_SIZE SZ_256K25 26#define HINIC_DB_MAX_AREAS (HINIC_DB_SIZE / HINIC_DB_PAGE_SIZE)27 28enum hinic_db_type {29 HINIC_DB_CMDQ_TYPE,30 HINIC_DB_SQ_TYPE,31};32 33enum hinic_io_path {34 HINIC_CTRL_PATH,35 HINIC_DATA_PATH,36};37 38struct hinic_free_db_area {39 int db_idx[HINIC_DB_MAX_AREAS];40 41 int alloc_pos;42 int return_pos;43 44 int num_free;45 46 /* Lock for getting db area */47 struct semaphore idx_lock;48};49 50struct hinic_nic_cfg {51 /* lock for getting nic cfg */52 struct mutex cfg_mutex;53 bool pause_set;54 u32 auto_neg;55 u32 rx_pause;56 u32 tx_pause;57};58 59struct hinic_func_to_io {60 struct hinic_hwif *hwif;61 struct hinic_hwdev *hwdev;62 u16 global_qpn;63 struct hinic_ceqs ceqs;64 65 struct hinic_wqs wqs;66 67 struct hinic_wq *sq_wq;68 struct hinic_wq *rq_wq;69 70 struct hinic_qp *qps;71 u16 max_qps;72 73 u16 sq_depth;74 u16 rq_depth;75 76 void __iomem **sq_db;77 void __iomem *db_base;78 79 void *ci_addr_base;80 dma_addr_t ci_dma_base;81 82 struct hinic_free_db_area free_db_area;83 84 void __iomem *cmdq_db_area[HINIC_MAX_CMDQ_TYPES];85 86 struct hinic_cmdqs cmdqs;87 88 u16 max_vfs;89 struct vf_data_storage *vf_infos;90 u8 link_status;91 struct hinic_nic_cfg nic_cfg;92};93 94struct hinic_wq_page_size {95 u8 status;96 u8 version;97 u8 rsvd0[6];98 99 u16 func_idx;100 u8 ppf_idx;101 u8 page_size;102 103 u32 rsvd1;104};105 106int hinic_set_wq_page_size(struct hinic_hwdev *hwdev, u16 func_idx,107 u32 page_size);108 109int hinic_io_create_qps(struct hinic_func_to_io *func_to_io,110 u16 base_qpn, int num_qps,111 struct msix_entry *sq_msix_entries,112 struct msix_entry *rq_msix_entries);113 114void hinic_io_destroy_qps(struct hinic_func_to_io *func_to_io,115 int num_qps);116 117int hinic_io_init(struct hinic_func_to_io *func_to_io,118 struct hinic_hwif *hwif, u16 max_qps, int num_ceqs,119 struct msix_entry *ceq_msix_entries);120 121void hinic_io_free(struct hinic_func_to_io *func_to_io);122 123#endif124