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Andrey Kuzmin 5bb66add46 Include rte_config.h before other DPDK headers Building the tip of the spdk master against the dpdk-2.2.0 fails with inappropriate RTE_CACHE_LINE_SIZE error. The simple reversal of the RTE include file order below fixed it for me. Change-Id: I8782b7ee21d7f185e6e678f874fbdab9403117a5 Signed-off-by: Daniel Verkamp <daniel.verkamp@intel.com>		2016-02-16 14:44:41 -07:00
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include/spdk	SPDK: Add spdk_pci_device_cfg read/write for byte, word.	2016-02-16 09:54:43 -07:00
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README.md

Storage Performance Development Kit

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