linux内核nvme驱动程序

Linux内核中的NVMe驱动程序是一种用于支持NVMe（Non-Volatile Memory Express）固态硬盘的驱动程序。该驱动程序通过调用内核函数pci_register_driver，注册了一个名为nvme_driver的pci_driver。该驱动程序的功能包括PCI总线的注册和初始化、创建NVMe块设备、处理NVMe设备的IO流程等。启动时，该驱动程序会将设备的class code设置为010802h，以便与PCI Bus进行匹配。注册到PCI Bus后，NVMe驱动程序会调用probe函数nvme_probe()来加载设备并进行处理。<span class="em">1</span><span class="em">2</span><span class="em">3</span>
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