doc: add Mellanox BlueField platform guide

Platform specific guide for Mellanox BlueField SoC is added.

Signed-off-by: Yongseok Koh <yskoh@mellanox.com>
Acked-by: John McNamara <john.mcnamara@intel.com>

doc/guides/linux_gsg/cross_build_dpdk_for_arm64.rst

@@ -34,6 +34,8 @@ Unzip and add into the PATH
 
    For the host requirements and other info, refer to the release note section: https://releases.linaro.org/components/toolchain/binaries/
 
+.. _arm_cross_build_getting_the_prerequisite_library:
+
 Getting the prerequisite library
 --------------------------------
 

doc/guides/platform/bluefield.rst

@@ -0,0 +1,147 @@
+..  SPDX-License-Identifier: BSD-3-Clause
+    Copyright 2019 Mellanox Technologies, Ltd
+
+Mellanox BlueField Board Support Package
+========================================
+
+This document has information about steps to setup Mellanox BlueField platform
+and common offload HW drivers of **Mellanox BlueField** family SoC.
+
+
+Supported BlueField family SoCs
+-------------------------------
+
+- `BlueField <http://www.mellanox.com/page/products_dyn?product_family=256&mtag=soc_overview>`_
+
+
+Supported BlueField Platforms
+-----------------------------
+
+- `BlueField SmartNIC <http://www.mellanox.com/page/products_dyn?product_family=275&mtag=bluefield_smart_nic>`_
+- `BlueField Reference Platforms <http://www.mellanox.com/page/products_dyn?product_family=286&mtag=bluefield_platforms>`_
+- `BlueField Controller Card <http://www.mellanox.com/page/products_dyn?product_family=288&mtag=bluefield_controller_card>`_
+
+
+Common Offload HW Drivers
+-------------------------
+
+1. **NIC Driver**
+
+   See :doc:`../nics/mlx5` for Mellanox mlx5 NIC driver information.
+
+2. **Cryptodev Driver**
+
+   This is based on the crypto extension support of armv8. See
+   :doc:`../cryptodevs/armv8` for armv8 crypto driver information.
+
+.. note::
+
+   BlueField has a variant having no armv8 crypto extension support.
+
+
+Steps To Setup Platform
+-----------------------
+
+Toolchains, OS and drivers can be downloaded and installed individually from the
+Web. But it is recommended to follow instructions at
+`Mellanox BlueField Software Website
+<http://www.mellanox.com/page/products_dyn?product_family=279&mtag=bluefield_software>`_.
+
+
+Compile DPDK
+------------
+
+DPDK can be compiled either natively on BlueField platforms or cross-compiled on
+an x86 based platform.
+
+Native Compilation
+~~~~~~~~~~~~~~~~~~
+
+Refer to :doc:`../nics/mlx5` for prerequisites. Either Mellanox OFED/EN or
+rdma-core library with corresponding kernel drivers is required.
+
+make build
+^^^^^^^^^^
+
+.. code-block:: console
+
+        make config T=arm64-bluefield-linuxapp-gcc
+        make -j
+
+meson build
+^^^^^^^^^^^
+
+.. code-block:: console
+
+        meson build
+        ninja -C build
+
+Cross Compilation
+~~~~~~~~~~~~~~~~~
+
+Refer to :doc:`../linux_gsg/cross_build_dpdk_for_arm64` to install the cross
+toolchain for ARM64. Base on that, additional header files and libraries are
+required:
+
+   - libibverbs
+   - libmnl
+   - libmlx5
+   - libnl-3
+   - libnl-route-3
+
+Such header files and libraries can be cross-compiled and installed on to the
+cross toolchain directory like depicted in
+:ref:`arm_cross_build_getting_the_prerequisite_library`, but those can also be
+simply copied from the filesystem of a working BlueField platform. The following
+script can be run on a BlueField platform in order to create a supplementary
+tarball for the cross toolchain.
+
+.. code-block:: console
+
+        mkdir -p aarch64-linux-gnu/libc
+        pushd $PWD
+        cd aarch64-linux-gnu/libc
+
+        # Copy libraries
+        mkdir -p lib64
+        cp -a /lib64/libibverbs* lib64/
+        cp -a /lib64/libmnl* lib64/
+        cp -a /lib64/libmlx5* lib64/
+        cp -a /lib64/libnl-3* lib64/
+        cp -a /lib64/libnl-route-3* lib64/
+
+        # Copy header files
+        mkdir -p usr/include/infiniband
+        mkdir -p usr/include/libmnl
+        cp -a /usr/include/infiniband/ib_user_ioctl_verbs.h usr/include/infiniband/
+        cp -a /usr/include/infiniband/mlx5*.h usr/include/infiniband/
+        cp -a /usr/include/infiniband/tm_types.h usr/include/infiniband/
+        cp -a /usr/include/infiniband/verbs*.h usr/include/infiniband/
+        cp -a /usr/include/libmnl/libmnl.h usr/include/libmnl/
+
+        # Create supplementary tarball
+        popd
+        tar cf aarch64-linux-gnu-mlx.tar aarch64-linux-gnu/
+
+Then, untar the tarball at the cross toolchain directory on the x86 host.
+
+.. code-block:: console
+
+        cd $(dirname $(which aarch64-linux-gnu-gcc))/..
+        tar xf aarch64-linux-gnu-mlx.tar
+
+make build
+^^^^^^^^^^
+
+.. code-block:: console
+
+        make config T=arm64-bluefield-linuxapp-gcc
+        make -j CROSS=aarch64-linux-gnu- CONFIG_RTE_KNI_KMOD=n CONFIG_RTE_EAL_IGB_UIO=n
+
+meson build
+^^^^^^^^^^^
+
+.. code-block:: console
+
+        meson build --cross-file config/arm/arm64_bluefield_linux_gcc
+        ninja -C build

doc/guides/platform/index.rst

@@ -10,6 +10,7 @@ The following are platform specific guides and setup information.
     :maxdepth: 2
     :numbered:
 
+    bluefield
     dpaa
     dpaa2
     octeontx