207 lines
7.9 KiB
C
207 lines
7.9 KiB
C
// SPDX-License-Identifier: GPL-2.0
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/**
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* Copyright (c) 2024-2025 CALCULET Technologies Ltd. All rights reserved.
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*/
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#ifndef _CALCULET_IOCTL_H_
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#define _CALCULET_IOCTL_H_
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#define CALCULET_DRV_VER_MAJOR 1
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#define CALCULET_DRV_VER_MINOR 0
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#define CALCULET_DRV_VER_REVISION 0
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#define _STRINGIFY_EXPANDED( x ) #x
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#define _STRINGIFY_NUMBER( x ) _STRINGIFY_EXPANDED(x)
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#define CALCULET_DRV_VER _STRINGIFY_NUMBER(CALCULET_DRV_VER_MAJOR) "." _STRINGIFY_NUMBER(CALCULET_DRV_VER_MINOR) "." _STRINGIFY_NUMBER(CALCULET_DRV_VER_REVISION)
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#define CALCULET_READ_CHANNELS 8
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#define CALCULET_WRITE_CHANNELS 8
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#define CALCULET_TOTAL_CHANNELS (CALCULET_READ_CHANNELS + CALCULET_WRITE_CHANNELS)
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#define CALCULET_MAX_CHANNELS 32
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#define KS1_MAX_DEVICES 64 // 最大支持的KS1设备数量
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#define KS1_MAX_PATH_LEN 512 // 设备路径最大长度
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#define KS1_MAX_STRING_LEN 256 // 一般字符串最大长度
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#define KS1_MAX_UUID_LEN 64 // UUID字符串最大长度
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#define KS1_MAX_CHIPS 16 // 最大Chip数量
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#define MAX_PROCESS_ENTRIES 100 // 最大进程数
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#ifdef __linux__
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#ifndef __KERNEL__
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#include <stdint.h>
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#include <sys/types.h>
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#else
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#include <linux/types.h>
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#include <linux/limits.h>
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#include <linux/kernel.h>
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#endif
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#include <linux/ioctl.h>
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#define _IOW_ _IOW
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#define _IOR_ _IOR
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#define _IOWR_ _IOWR
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#define _IO_ _IO
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#define CALCULET_GENERAL_IOCTL_MAGIC 'g'
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#define CALCULET_DMA_IOCTL_MAGIC 'd'
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#define CALCULET_SOC_IOCTL_MAGIC 's'
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#define CALCULET_NNC_IOCTL_MAGIC 'n'
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#define CALCULET_PCI_EP_IOCTL_MAGIC 'p'
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#define CALCULET_PROC_IOCTL_MAGIC 'r'
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#else
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#error "unsupported platform!"
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#endif
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#pragma pack(push, 1)
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// 传输方向枚举
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enum calculet_transfer_direction {
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TRANSFER_C2H_DIRECTION = 0, //device->host
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TRANSFER_H2C_DIRECTION, //host->device
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TRANSFER_MAX_ENUM = INT_MAX,
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};
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// BAR类型枚举
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enum calculet_bar_type {
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CALCULET_PCIE_BAR2 = 2,
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CALCULET_PCIE_BAR4 = 4,
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};
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// BAR64传输参数
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struct calculet_bar64_transfer_params {
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enum calculet_transfer_direction transfer_direction; //传输方向
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enum calculet_bar_type bar_type; //访问bar类型（2或4）
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uint64_t bar_offset; //基于bar的地址偏移
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uint64_t bar_data; //读或写bar的值
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};
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// BAR32传输参数
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struct calculet_bar32_transfer_params {
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enum calculet_transfer_direction transfer_direction; //传输方向
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enum calculet_bar_type bar_type; //访问bar类型（2或4）
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uint64_t bar_offset; //基于bar的地址偏移
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uint32_t bar_data; //读或写bar的值
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};
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// DMA传输通道参数
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struct calculet_dma_transfer_channels_params {
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enum calculet_transfer_direction dma_transfer_direction; //传输方向
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int dma_channel_id; //dma通道index（0~7）
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size_t dma_channel_size; //dma传输一包数据大小（字节）
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uint8_t *host_address; //应用层读或写buffer虚拟地址
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uint64_t device_address; //要访问device的绝对地址
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};
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// 进程信息结构体
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struct calculet_process_info_user {
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int32_t pid; // 进程ID
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int32_t ppid; // 父进程ID
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uint32_t uid; // 用户ID
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char comm[16]; // 进程名称（TASK_COMM_LEN）
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uint8_t is_active; // 是否活跃
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uint8_t reserved[3]; // 对齐保留字段
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};
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// 进程信息列表结构体
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struct calculet_process_info_list_user {
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int32_t count; // 进程数量
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int32_t board_index; // 板卡索引
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struct calculet_process_info_user processes[MAX_PROCESS_ENTRIES];
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};
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struct calculet_ioc_info {
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// 设备基本识别信息
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char product_name[KS1_MAX_STRING_LEN]; // 产品名称
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char serial_number[KS1_MAX_STRING_LEN]; // 序列号
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char product_number[KS1_MAX_STRING_LEN]; // PN号
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char calculet_uuid[KS1_MAX_UUID_LEN]; // calculet唯一标识符
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// 设备硬件信息
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uint16_t device_id; // 设备ID
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uint16_t vendor_id; // 厂商ID
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uint16_t subsystem_device; // 子系统ID
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uint16_t subsystem_vendor; // 子系统厂商ID
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// PCI信息
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struct {
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uint8_t domain; // PCI域
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uint8_t bus; // PCI总线
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uint8_t device; // PCI设备
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uint8_t function; // PCI功能
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uint8_t link_speed; // PCI速率
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uint8_t link_width; // PCI位宽
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} pci_info;
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// 版本信息
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struct {
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uint32_t major; // 驱动主版本号
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uint32_t minor; // 驱动次版本号
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char string[KS1_MAX_STRING_LEN]; // 版本字符串
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} driver_version;
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char firmware_version[12]; // 固件版本
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// 硬件规格（固定参数）
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uint64_t total_memory; // 总显存大小 (0x004C, 8字节)
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double memory_bandwidth; // 显存带宽 (0x0054)
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uint32_t ddr_frequency; // DDR频率 (0x005C)
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uint32_t max_power_limit; // KS1 TDP上限 (0x0060)
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uint32_t temp_limit_ks1; // KS1温度上限 (0x0064)
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};
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struct calculet_msi_req {
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uint32_t msi_req; // 自定义msi 请求号（0~15）
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};
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struct calculet_sn_info {
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uint32_t chip_id;
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char sn[KS1_MAX_STRING_LEN];
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};
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#pragma pack(pop)
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// 通用ioctl代码
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enum calculet_general_ioctl_code {
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CALCULET_BOARD_INFO_CODE,
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CALCULET_BAR64_TRANSFER_CODE,
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CALCULET_BAR32_TRANSFER_CODE,
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CALCULET_GET_SN_CODE,
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CALCULET_GENERAL_IOCTL_MAX_NR,
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};
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// DMA ioctl代码
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enum calculet_dma_ioctl_code {
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CALCULET_BLOCK_DMA_TRANSFER_CODE,
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CALCULET_DMA_INTERRUPT_POLL_CODE,
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CALCULET_EP_MSI_REQ_CODE,
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CALCULET_SOFT_RESET_CODE,
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CALCULET_DMA_IOCTL_MAX_NR,
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};
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// 进程信息ioctl代码
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enum calculet_proc_ioctl_code {
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CALCULET_GET_PROCESS_LIST_CODE,
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CALCULET_PROC_IOCTL_MAX_NR,
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};
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// ioctl定义
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// 获取calculet_ioc_info结构体所有参数
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#define CALCULET_BOARD_INFO _IOWR_(CALCULET_GENERAL_IOCTL_MAGIC, CALCULET_BOARD_INFO_CODE, struct calculet_ioc_info)
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// 64bit访问bar
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#define CALCULET_BAR64_TRANSFER _IOWR_(CALCULET_GENERAL_IOCTL_MAGIC, CALCULET_BAR64_TRANSFER_CODE, struct calculet_bar64_transfer_params)
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// 32bit访问bar
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#define CALCULET_BAR32_TRANSFER _IOWR_(CALCULET_GENERAL_IOCTL_MAGIC, CALCULET_BAR32_TRANSFER_CODE, struct calculet_bar32_transfer_params)
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// 获取SN信息
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#define CALCULET_GET_SN _IOWR_(CALCULET_GENERAL_IOCTL_MAGIC, CALCULET_GET_SN_CODE, struct calculet_sn_info)
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// dma传输
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#define CALCULET_BLOCK_DMA_TRANSFER _IOWR_(CALCULET_DMA_IOCTL_MAGIC, CALCULET_BLOCK_DMA_TRANSFER_CODE, struct calculet_dma_transfer_channels_params)
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// 轮询中断
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#define CALCULET_INTERRUPT_POLL _IO_(CALCULET_DMA_IOCTL_MAGIC, CALCULET_DMA_INTERRUPT_POLL_CODE)
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// device主动发起MSI中断（可用于jobq回馈）
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#define CALCULET_EP_MSI_REQ _IOW_(CALCULET_PCI_EP_IOCTL_MAGIC, CALCULET_EP_MSI_REQ_CODE, struct calculet_msi_req)
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// softreset
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#define CALCULET_SOFT_RESET _IO_(CALCULET_PCI_EP_IOCTL_MAGIC, CALCULET_SOFT_RESET_CODE)
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// 进程信息
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#define CALCULET_GET_PROCESS_LIST _IOWR_(CALCULET_PROC_IOCTL_MAGIC, CALCULET_GET_PROCESS_LIST_CODE, struct calculet_process_info_list_user)
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#endif /* _CALCULET_IOCTL_H_ */ |