X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=doc%2Fguides%2Flinux_gsg%2Flinux_drivers.rst;h=371a817ff97762ef6c97ec04698a97a15289b8d8;hb=e00767ee04c179f452840a9801af466b10257194;hp=b3525c0b297554798e13c718a546bb5b99c1b1f2;hpb=0db52e6694bfcf2f0c1437ebdcb97b34864efba0;p=dpdk.git diff --git a/doc/guides/linux_gsg/linux_drivers.rst b/doc/guides/linux_gsg/linux_drivers.rst index b3525c0b29..371a817ff9 100644 --- a/doc/guides/linux_gsg/linux_drivers.rst +++ b/doc/guides/linux_gsg/linux_drivers.rst @@ -1,34 +1,8 @@ -.. BSD LICENSE +.. SPDX-License-Identifier: BSD-3-Clause Copyright(c) 2010-2015 Intel Corporation. - Copyright(c) 2017 Mellanox Corporation. + Copyright 2017 Mellanox Technologies, Ltd All rights reserved. - Redistribution and use in source and binary forms, with or without - modification, are permitted provided that the following conditions - are met: - - * Redistributions of source code must retain the above copyright - notice, this list of conditions and the following disclaimer. - * Redistributions in binary form must reproduce the above copyright - notice, this list of conditions and the following disclaimer in - the documentation and/or other materials provided with the - distribution. - * Neither the name of Intel Corporation nor the names of its - contributors may be used to endorse or promote products derived - from this software without specific prior written permission. - - THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR - A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT - OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, - SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT - LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - .. _linux_gsg_linux_drivers: Linux Drivers @@ -67,6 +41,13 @@ be loaded as shown below: For some devices which lack support for legacy interrupts, e.g. virtual function (VF) devices, the ``igb_uio`` module may be needed in place of ``uio_pci_generic``. +.. note:: + + If UEFI secure boot is enabled, the Linux kernel may disallow the use of + UIO on the system. Therefore, devices for use by DPDK should be bound to the + ``vfio-pci`` kernel module rather than ``igb_uio`` or ``uio_pci_generic``. + For more details see :ref:`linux_gsg_binding_kernel` below. + Since DPDK release 1.7 onward provides VFIO support, use of UIO is optional for platforms that support using VFIO.