spdk/spdk v1.2.0

v1.2.0: IOAT user-space driver

on GitHub

This release adds a user-space driver with support for the Intel I/O Acceleration Technology (I/OAT, also known as "Crystal Beach") DMA offload engine.

• IOAT
  • New user-space driver supporting DMA memory copy offload
  • Example programs ioat/perf and ioat/verify
  • 0e6463d: Kernel-mode DMA engine test driver kperf for performance comparison
• NVMe
  • 81f4046: per-I/O flags for Force Unit Access (FUA) and Limited Retry
  • 9945c00: public API for retrieving log pages
  • 92fa3ec: reservation register/acquire/release/report command support
  • d3d6d19: scattered payload support - an alternate API to provide I/O buffers via a sequence of callbacks
  • b7b8dea, ffa548d, 3f7cfd2: declarations and nvme/identify support for Intel SSD DC P3700 series vendor-specific log pages and features
• Updated to support DPDK 2.2.0