From patchwork Fri Jul 5 11:01:47 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yi Liu X-Patchwork-Id: 11033735 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 221C81580 for ; Sat, 6 Jul 2019 11:40:06 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 142CD28607 for ; Sat, 6 Jul 2019 11:40:06 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id E7DC9286AE; Sat, 6 Jul 2019 11:40:05 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-3.9 required=2.0 tests=BAYES_00,DATE_IN_PAST_24_48, MAILING_LIST_MULTI,RCVD_IN_DNSWL_MED autolearn=unavailable version=3.3.1 Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 91F3F28607 for ; Sat, 6 Jul 2019 11:40:05 +0000 (UTC) Received: from localhost ([::1]:58882 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.86_2) (envelope-from ) id 1hjj2y-0003Sx-SY for patchwork-qemu-devel@patchwork.kernel.org; Sat, 06 Jul 2019 07:40:04 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:52527) by lists.gnu.org with esmtp (Exim 4.86_2) (envelope-from ) id 1hjijC-0003Ez-RB for qemu-devel@nongnu.org; Sat, 06 Jul 2019 07:19:43 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1hjij9-00063U-6n for qemu-devel@nongnu.org; Sat, 06 Jul 2019 07:19:36 -0400 Received: from mga14.intel.com ([192.55.52.115]:2978) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1hjij7-0005xj-Gh for qemu-devel@nongnu.org; Sat, 06 Jul 2019 07:19:33 -0400 X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga005.fm.intel.com ([10.253.24.32]) by fmsmga103.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 06 Jul 2019 04:19:30 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.63,458,1557212400"; d="scan'208";a="363355046" Received: from yiliu-dev.bj.intel.com ([10.238.156.139]) by fmsmga005.fm.intel.com with ESMTP; 06 Jul 2019 04:19:28 -0700 From: Liu Yi L To: qemu-devel@nongnu.org, mst@redhat.com, pbonzini@redhat.com, alex.williamson@redhat.com, peterx@redhat.com Date: Fri, 5 Jul 2019 19:01:47 +0800 Message-Id: <1562324511-2910-15-git-send-email-yi.l.liu@intel.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1562324511-2910-1-git-send-email-yi.l.liu@intel.com> References: <1562324511-2910-1-git-send-email-yi.l.liu@intel.com> X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 192.55.52.115 Subject: [Qemu-devel] [RFC v1 14/18] hw/pci: add flush_pasid_iotlb() in PCIPASIDOps X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: tianyu.lan@intel.com, kevin.tian@intel.com, yi.l.liu@intel.com, Yi Sun , kvm@vger.kernel.org, jun.j.tian@intel.com, eric.auger@redhat.com, yi.y.sun@intel.com, Jacob Pan , david@gibson.dropbear.id.au Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" X-Virus-Scanned: ClamAV using ClamSMTP This patch adds flush_pasid_iotlb() in PCIPASIDOps for passing guest PASID-based iotlb flush operation to host via vfio interface. Cc: Kevin Tian Cc: Jacob Pan Cc: Peter Xu Cc: Eric Auger Cc: Yi Sun Cc: David Gibson Signed-off-by: Liu Yi L --- hw/pci/pci.c | 15 +++++++++++++++ include/hw/pci/pci.h | 4 ++++ 2 files changed, 19 insertions(+) diff --git a/hw/pci/pci.c b/hw/pci/pci.c index 2229229..cf92bed 100644 --- a/hw/pci/pci.c +++ b/hw/pci/pci.c @@ -2706,6 +2706,21 @@ void pci_device_unbind_gpasid(PCIBus *bus, int32_t devfn, } } +void pci_device_flush_pasid_iotlb(PCIBus *bus, int32_t devfn, + struct iommu_cache_invalidate_info *info) +{ + PCIDevice *dev; + + if (!bus) { + return; + } + + dev = bus->devices[devfn]; + if (dev && dev->pasid_ops) { + dev->pasid_ops->flush_pasid_iotlb(bus, devfn, info); + } +} + static void pci_dev_get_w64(PCIBus *b, PCIDevice *dev, void *opaque) { Range *range = opaque; diff --git a/include/hw/pci/pci.h b/include/hw/pci/pci.h index 8d849e6..77e6bb1 100644 --- a/include/hw/pci/pci.h +++ b/include/hw/pci/pci.h @@ -272,6 +272,8 @@ struct PCIPASIDOps { struct gpasid_bind_data *g_bind_data); void (*unbind_gpasid)(PCIBus *bus, int32_t devfn, struct gpasid_bind_data *g_bind_data); + void (*flush_pasid_iotlb)(PCIBus *bus, int32_t devfn, + struct iommu_cache_invalidate_info *info); }; struct PCIDevice { @@ -506,6 +508,8 @@ void pci_device_bind_gpasid(PCIBus *bus, int32_t devfn, struct gpasid_bind_data *g_bind_data); void pci_device_unbind_gpasid(PCIBus *bus, int32_t devfn, struct gpasid_bind_data *g_bind_data); +void pci_device_flush_pasid_iotlb(PCIBus *bus, int32_t devfn, + struct iommu_cache_invalidate_info *info); static inline void pci_set_byte(uint8_t *config, uint8_t val)