当前位置：网站首页>[QNX Hypervisor 2.2用户手册]6.3.3 使用共享内存（shmem）虚拟设备
[QNX Hypervisor 2.2用户手册]6.3.3 使用共享内存（shmem）虚拟设备
2022-07-06 05:18:00 【高桐@BILL】
shmem虚拟设备提供了一种比较简单的机制来在Guest之间共享内存区域，或者在Guest与Hypervisor Host之间共享内存区域。
完成该虚拟设备的配置信息，可以参考“Virtual Device Reference”的vdev shmem。
一、shmem 虚拟设备驱动
对于运行在Guest或Hypervisor Host中的客户端应用程序来说，shmem虚拟设备就是一个设置了映射寄存器的设备，且该设备具备引发中断的能力。
二、访问一个共享内存工厂页
三、创建或连接到共享内存区域
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