pci: merge probing and closing functions for linux and bsd

[dpdk.git] / doc / guides / linux_gsg / sys_reqs.rst

diff --git a/doc/guides/linux_gsg/sys_reqs.rst b/doc/guides/linux_gsg/sys_reqs.rst
index 17d1ebf..ebed418 100644 (file)
--- a/doc/guides/linux_gsg/sys_reqs.rst
+++ b/doc/guides/linux_gsg/sys_reqs.rst
@@ -38,8 +38,8 @@ This chapter describes the packages required to compile the DPDK.
     If the DPDK is being used on an Intel® Communications Chipset 89xx Series platform,
     please consult the *Intel® Communications Chipset 89xx Series Software for Linux* Getting Started Guide*.
 
-BIOS Setting Prerequisite
--------------------------
+BIOS Setting Prerequisite on x86
+--------------------------------
 
 For the majority of platforms, no special BIOS settings are needed to use basic DPDK functionality.
 However, for additional HPET timer and power management functionality,
@@ -61,20 +61,31 @@ Compilation of the DPDK
 
 *   coreutils:  cmp, sed, grep, arch
 
-*   gcc: versions 4.5.x or later is recommended.
-    On some distributions, some specific compiler flags and linker flags are enabled by default and
-    affect performance (- fstack-protector, for example).
-    Please refer to the documentation of your distribution and to gcc -dumpspecs.
+*   gcc: versions 4.5.x or later is recommended for i686/x86_64. versions 4.8.x or later is recommended
+    for ppc_64 and x86_x32 ABI. On some distributions, some specific compiler flags and linker flags are enabled by
+    default and affect performance (- fstack-protector, for example). Please refer to the documentation
+    of your distribution and to gcc -dumpspecs.
 
-*   libc headers (glibc-devel.i686 / libc6-dev-i386; glibc-devel.x86_64  for 64-bit compilation)
+*   libc headers (glibc-devel.i686 / libc6-dev-i386; glibc-devel.x86_64 for 64-bit compilation on Intel
+    architecture; glibc-devel.ppc64 for 64 bit IBM Power architecture;)
 
-*   Linux kernel headers or sources required to build kernel modules. (kernel- devel.x86_64)
+*   Linux kernel headers or sources required to build kernel modules. (kernel - devel.x86_64;
+    kernel - devel.ppc64)
 
 *   Additional packages required for 32-bit compilation on 64-bit systems are:
 
-    glibc.i686, libgcc.i686, libstdc++.i686 and glibc-devel.i686
+    glibc.i686, libgcc.i686, libstdc++.i686 and glibc-devel.i686 for Intel i686/x86_64;
+
+    glibc.ppc64, libgcc.ppc64, libstdc++.ppc64 and glibc-devel.ppc64 for IBM ppc_64;
+
+.. note::
+
+    x86_x32 ABI is currently supported with distribution packages only on Ubuntu
+    higher than 13.10 or recent Debian distribution. The only supported  compiler is gcc 4.8+.
+
+.. note::
 
-*   Python, version 2.6 or 2.7, to use various helper scripts included in the DPDK package
+    Python, version 2.6 or 2.7, to use various helper scripts included in the DPDK package
 
 
 **Optional Tools:**
@@ -83,6 +94,10 @@ Compilation of the DPDK
     See the icc Installation Guide found in the Documentation directory under the compiler installation.
     This release has been tested using version 12.1.
 
+*   IBM® Advance ToolChain for Powerlinux. This is a set of open source development tools and runtime libraries
+    which allows users to take leading edge advantage of IBM's latest POWER hardware features on Linux. To install
+    it, see the IBM official installation document.
+
 *   libpcap headers and libraries (libpcap-devel) to compile and use the libpcap-based poll-mode driver.
     This driver is disabled by default and can be enabled by setting CONFIG_RTE_LIBRTE_PMD_PCAP=y in the build time config file.
 
@@ -106,7 +121,7 @@ System Software
 
 For details of the patches needed to use the DPDK with earlier kernel versions,
 see the DPDK FAQ included in the *DPDK Release Notes*.
-Note also that Redhat* Linux* 6.2 and 6.3 uses a 2.6.32 kernel that already has all the necessary patches applied.
+Note also that Red hat* Linux* 6.2 and 6.3 uses a 2.6.32 kernel that already has all the necessary patches applied.
 
 *   glibc >= 2.7 (for features related to cpuset)
 
@@ -124,7 +139,7 @@ Note also that Redhat* Linux* 6.2 and 6.3 uses a 2.6.32 kernel that already has
 
 *   Kernel configuration
 
-    In the Fedora* OS and other common distributions, such as Ubuntu*, or RedHat Enterprise Linux*,
+    In the Fedora* OS and other common distributions, such as Ubuntu*, or Red Hat Enterprise Linux*,
     the vendor supplied kernel configurations can be used to run most DPDK applications.
 
     For other kernel builds, options which should be enabled for DPDK include:
@@ -171,8 +186,9 @@ For example, to reserve 4G of hugepage memory in the form of four 1G pages, the
 
 .. note::
 
-    The hugepage sizes that a CPU supports can be determined from the CPU flags.
+    The hugepage sizes that a CPU supports can be determined from the CPU flags on Intel architecture.
     If pse exists, 2M hugepages are supported; if pdpe1gb exists, 1G hugepages are supported.
+    On IBM Power architecture, the supported hugepage sizes are 16MB and 16GB.
 
 .. note::