Linux驱动io 的相关内容

阿里云文档 2024-01-23

在Windows和Linux系统中卸载GRID驱动_GPU云服务器(EGS)

如果当前NVIDIA GRID驱动因某种原因需要卸载，请按照该驱动的操作系统选择相应的卸载方法。

文章 2016-04-28 来自：开发者社区

linux 内核驱动编程简单例子与_IO, _IOR, _IOW, _IOWR 宏解析

一、_IO, _IOR, _IOW, _IOWR 宏的用法与解析在驱动程序里， ioctl() 函数上传送的变量 cmd 是应用程序用于区别设备驱动程序请求处理内容的值。cmd除了可区别数字外，还包含有助于处理的几种相应信息。 cmd的大小为 32位，共分 4 个域：bit31~bit30 2位为 “区别读写” 区，作用是区分是读取命令还是写入命令。bit29~bit15 1...

文章 2015-11-13 来自：开发者社区

linux内核驱动中_IO, _IOR, _IOW, _IOWR 宏的用法与解析

在驱动程序里， ioctl() 函数上传送的变量 cmd 是应用程序用于区别设备驱动程序请求处理内容的值。cmd除了可区别数字外，还包含有助于处理的几种相应信息。 cmd的大小为 32位，共分 4 个域： bit31~bit30 2位为 “区别读写” 区，作用是区分是读取命令还是写入命令。 &n...

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