From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:50223) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1YUmgQ-0007ee-TA for qemu-devel@nongnu.org; Sun, 08 Mar 2015 21:40:39 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1YUmgK-0004rU-PH for qemu-devel@nongnu.org; Sun, 08 Mar 2015 21:40:38 -0400 Received: from [59.151.112.132] (port=24103 helo=heian.cn.fujitsu.com) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1YUmgK-0004qz-Aa for qemu-devel@nongnu.org; Sun, 08 Mar 2015 21:40:32 -0400 Message-ID: <54FCF86E.5060006@cn.fujitsu.com> Date: Mon, 9 Mar 2015 09:33:34 +0800 From: Chen Fan MIME-Version: 1.0 References: In-Reply-To: Content-Type: text/plain; charset="windows-1252"; format=flowed Content-Transfer-Encoding: 7bit Subject: Re: [Qemu-devel] [RFC v4 0/9] pass aer error to guest for vfio device List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: izumi.taku@jp.fujitsu.com, alex.williamson@redhat.com ping... On 03/02/2015 03:16 PM, Chen Fan wrote: > For now, for vfio pci passthough devices when qemu receives > an error from host aer report, there just terminate the guest, > but usually user want to know what error occurred but stop the > guest, so this patches add aer capability support for vfio device, > and pass the error to guest, and have guest driver to recover > from the error. > and turning on SERR# for error forwording in bridge control register > patch in seabios has been merged. > > v3-v4: > 1. add 'x-aer' for user to off aer capability. > 2. refactor vfio device to parse extended capabilities. > > v2-v3: > 1. refactor vfio device to parse extended capability. > 2. add global property for piix4 to disable vfio aer cap. > > v1-v2: > 1. turn on SERR# for bridge control register in firmware. > 2. initilize aer capability for vfio device. > 3. fix some trivial bug. > > Chen Fan (9): > pcie_aer: fix typos in pcie_aer_inject_error comment > aer: fix a wrong init PCI_ERR_COR_STATUS w1cmask type register > vfio: add pcie extanded capability support > aer: impove pcie_aer_init to support vfio device > vfio: add aer support for vfio device > vfio: add 'x-aer' option to disable aer capability > pcie_aer: expose pcie_aer_msg() interface > vfio-pci: pass the aer error to guest > pcie: fix several trivial typos > > hw/pci-bridge/ioh3420.c | 3 +- > hw/pci-bridge/xio3130_downstream.c | 3 +- > hw/pci-bridge/xio3130_upstream.c | 3 +- > hw/pci/pcie_aer.c | 17 ++-- > hw/vfio/pci.c | 160 +++++++++++++++++++++++++++++++++++-- > include/hw/pci/pci.h | 2 +- > include/hw/pci/pcie_aer.h | 7 +- > 7 files changed, 174 insertions(+), 21 deletions(-) >