掌握SPDK 常用的API是深入理解SPDK的好方法。下面总结了SPDK 最主要的一些API。

主要的feature列表

spdk/nvme.h

Key Functions   Description
spdk_nvme_probe()   Enumerate the bus indicated by the transport ID and attach the userspace NVMe driver to each device found if desired.
spdk_nvme_ctrlr_alloc_io_qpair()    Allocate an I/O queue pair (submission and completion queue).
spdk_nvme_ctrlr_get_ns()    Get a handle to a namespace for the given controller.
spdk_nvme_ns_cmd_read()     Submits a read I/O to the specified NVMe namespace.
spdk_nvme_ns_cmd_readv()    Submit a read I/O to the specified NVMe namespace.
spdk_nvme_ns_cmd_read_with_md()     Submits a read I/O to the specified NVMe namespace.
spdk_nvme_ns_cmd_write()    Submit a write I/O to the specified NVMe namespace.
spdk_nvme_ns_cmd_writev()   Submit a write I/O to the specified NVMe namespace.
spdk_nvme_ns_cmd_write_with_md()    Submit a write I/O to the specified NVMe namespace.
spdk_nvme_ns_cmd_write_zeroes()     Submit a write zeroes I/O to the specified NVMe namespace.
spdk_nvme_ns_cmd_dataset_management()   Submit a data set management request to the specified NVMe namespace.
spdk_nvme_ns_cmd_flush()    Submit a flush request to the specified NVMe namespace.
spdk_nvme_qpair_process_completions()   Process any outstanding completions for I/O submitted on a queue pair.
spdk_nvme_ctrlr_cmd_admin_raw()     Send the given admin command to the NVMe controller.
spdk_nvme_ctrlr_process_admin_completions()     Process any outstanding completions for admin commands.
spdk_nvme_ctrlr_cmd_io_raw()    Send the given NVM I/O command to the NVMe controller.
spdk_nvme_ctrlr_cmd_io_raw_with_md()    Send the given NVM I/O command with metadata to the NVMe controller. 

原文地址：http://blog.51cto.com/xiamachao/2350486