From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756066AbbJAK7I (ORCPT ); Thu, 1 Oct 2015 06:59:08 -0400 Received: from mail-wi0-f176.google.com ([209.85.212.176]:33063 "EHLO mail-wi0-f176.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752678AbbJAK7F (ORCPT ); Thu, 1 Oct 2015 06:59:05 -0400 Subject: Re: [dpdk-dev] [PATCH 0/2] uio_msi: device driver To: Stephen Hemminger , hjk@hansjkoch.de, gregkh@linux-foundation.org References: <1443652138-31782-1-git-send-email-stephen@networkplumber.org> Cc: dev@dpdk.org, linux-kernel@vger.kernel.org From: Avi Kivity Message-ID: <560D11F6.2080609@scylladb.com> Date: Thu, 1 Oct 2015 13:59:02 +0300 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.2.0 MIME-Version: 1.0 In-Reply-To: <1443652138-31782-1-git-send-email-stephen@networkplumber.org> Content-Type: text/plain; charset=windows-1252; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 10/01/2015 01:28 AM, Stephen Hemminger wrote: > This is a new UIO device driver to allow supporting MSI-X and MSI devices > in userspace. It has been used in environments like VMware and older versions > of QEMU/KVM where no IOMMU support is available. Why not add msi/msix support to uio_pci_generic? > Stephen Hemminger (2): > > *** BLURB HERE *** > > Stephen Hemminger (2): > uio: add support for ioctls > uio: new driver to support PCI MSI-X > > drivers/uio/Kconfig | 9 ++ > drivers/uio/Makefile | 1 + > drivers/uio/uio.c | 15 ++ > drivers/uio/uio_msi.c | 378 +++++++++++++++++++++++++++++++++++++++++++ > include/linux/uio_driver.h | 3 + > include/uapi/linux/Kbuild | 1 + > include/uapi/linux/uio_msi.h | 22 +++ > 7 files changed, 429 insertions(+) > create mode 100644 drivers/uio/uio_msi.c > create mode 100644 include/uapi/linux/uio_msi.h >