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Ziye Yang ff6125195c SPDK: Support configuring libpciaccess library 
With CONFIG_PCIACCESS=y in CONFIG file, we can
use libpciaccess library; With CONFIG_PCIACCESS=n
in CONFIG file, we use pciaccess functions provided
in DPDK.

Change-Id: I786c5589b8e7909ba2e59d222938dd5ba45bf92d
Signed-off-by: Ziye Yang <ziye.yang@intel.com>
2016-02-04 17:30:09 -07:00
doc nvme: refactor nvme_attach() into nvme_probe() 2016-02-03 11:15:31 -07:00
examples SPDK: Support configuring libpciaccess library 2016-02-04 17:30:09 -07:00
include/spdk SPDK: Support configuring libpciaccess library 2016-02-04 17:30:09 -07:00
lib SPDK: Support configuring libpciaccess library 2016-02-04 17:30:09 -07:00
mk SPDK: Support configuring libpciaccess library 2016-02-04 17:30:09 -07:00
scripts Update bind.sh to bind nvme/ioat to uio_pci_generic driver 2016-02-01 15:37:00 -07:00
test SPDK: Support configuring libpciaccess library 2016-02-04 17:30:09 -07:00
.astylerc build: check formatting with astyle 2015-09-23 09:05:51 -07:00
.gitignore build: add CONFIG_COVERAGE code coverage option 2015-11-02 14:40:49 -07:00
.travis.yml build: add Travis CI integration 2015-11-04 11:05:59 -07:00
autobuild.sh spdk: add the ioat_kperf test tool to autobuild system 2016-01-22 07:58:13 -07:00
autopackage.sh CONFIG: allow overriding options in make command 2015-10-22 12:24:57 -07:00
autotest.sh spdk: add the ioat_kperf test tool to autobuild system 2016-01-22 07:58:13 -07:00
CONFIG SPDK: Support configuring libpciaccess library 2016-02-04 17:30:09 -07:00
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README.md README: add libaio dependency 2016-01-21 10:47:55 -07:00
unittest.sh ioat: add user-mode Intel I/OAT driver 2015-12-09 10:14:15 -07:00

README.md

Storage Performance Development Kit

Build Status

SPDK on 01.org

The Storage Performance Development Kit (SPDK) provides a set of tools and libraries for writing high performance, scalable, user-mode storage applications. It achieves high performance by moving all of the necessary drivers into userspace and operating in a polled mode instead of relying on interrupts, which avoids kernel context switches and eliminates interrupt handling overhead.

Documentation

Doxygen API documentation

Porting Guide

Prerequisites

To build SPDK, some dependencies must be installed.

Fedora/CentOS:

  • gcc
  • libpciaccess-devel
  • CUnit-devel
  • libaio-devel

Ubuntu/Debian:

  • gcc
  • libpciaccess-dev
  • make
  • libcunit1-dev
  • libaio-dev

FreeBSD:

  • gcc
  • libpciaccess
  • gmake
  • cunit

Additionally, DPDK is required.

1) cd /path/to/spdk
2) wget http://dpdk.org/browse/dpdk/snapshot/dpdk-2.2.0.tar.gz
3) tar xfz dpdk-2.2.0.tar.gz
4) cd dpdk-2.2.0

Linux:

5) make install T=x86_64-native-linuxapp-gcc DESTDIR=.

FreeBSD:

5) gmake install T=x86_64-native-bsdapp-clang DESTDIR=.

Building

Once the prerequisites are installed, run 'make' within the SPDK directory to build the SPDK libraries and examples.

make DPDK_DIR=/path/to/dpdk

If you followed the instructions above for building DPDK:

Linux:

make DPDK_DIR=./dpdk-2.2.0/x86_64-native-linuxapp-gcc

FreeBSD:

gmake DPDK_DIR=./dpdk-2.2.0/x86_64-native-bsdapp-clang

Hugepages and Device Binding

Before running an SPDK application, some hugepages must be allocated and any NVMe and I/OAT devices must be unbound from the native kernel drivers. SPDK includes scripts to automate this process on both Linux and FreeBSD.

1) scripts/configure_hugepages.sh
2) scripts/unbind.sh