From mboxrd@z Thu Jan 1 00:00:00 1970 From: Avi Kivity Subject: Re: [PATCH 0/2] uio_msi: device driver Date: Thu, 1 Oct 2015 13:59:02 +0300 Message-ID: <560D11F6.2080609@scylladb.com> References: <1443652138-31782-1-git-send-email-stephen@networkplumber.org> Mime-Version: 1.0 Content-Type: text/plain; charset=windows-1252; format=flowed Content-Transfer-Encoding: 7bit Cc: dev@dpdk.org, linux-kernel@vger.kernel.org To: Stephen Hemminger , hjk@hansjkoch.de, gregkh@linux-foundation.org Return-path: Received: from mail-wi0-f175.google.com (mail-wi0-f175.google.com [209.85.212.175]) by dpdk.org (Postfix) with ESMTP id E96DF8D99 for ; Thu, 1 Oct 2015 12:59:04 +0200 (CEST) Received: by wicfx3 with SMTP id fx3so22636172wic.0 for ; Thu, 01 Oct 2015 03:59:04 -0700 (PDT) In-Reply-To: <1443652138-31782-1-git-send-email-stephen@networkplumber.org> List-Id: patches and discussions about DPDK List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" 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 >