From nobody Mon Feb 9 09:34:32 2026 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Authentication-Results: mx.zohomail.com; spf=pass (zoho.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail(p=none dis=none) header.from=intel.com ARC-Seal: i=1; a=rsa-sha256; t=1562413277; cv=none; d=zoho.com; s=zohoarc; b=lqi6K67eP7LFxlJ3u/8WP+WvVomqJuhV/rqNiSF6LmpPdZ3WyQCeYPfI7B37dHmFOeGrnBz6d2uCD+2QRM5yBs6CmygOnLL75VbhcYY0eiSlFyfrpx7jW0e9jNP3fmRqqON+3xbUSrfXKWLcKBFgh7A0let6PJCWnlh+zxWY02k= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zoho.com; s=zohoarc; t=1562413277; h=Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:Message-ID:References:Sender:Subject:To:ARC-Authentication-Results; bh=r8WfPZx/d9Ha7oYVMOglztS+oYFg6uUsbhWGI0iJqWE=; b=auSKAxCcQqpavv0o+hyqL8wVMZ03sOJeLXcOeXrqjtAVz1HPlAmKHVQrlv9KFISQ/JODk9ry4VUh44NOTEJnSoa+27DVyJQmEdHBO6twuFDeRO1uPIkGn629abWmq6KfAKE9RhDORwM4HdbcpYP4SwzdNEZFsOA+RbgrryS5M4E= ARC-Authentication-Results: i=1; mx.zoho.com; spf=pass (zoho.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail header.from= (p=none dis=none) header.from= Return-Path: Received: from lists.gnu.org (209.51.188.17 [209.51.188.17]) by mx.zohomail.com with SMTPS id 1562413277523152.9552198837689; Sat, 6 Jul 2019 04:41:17 -0700 (PDT) Received: from localhost ([::1]:58882 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.86_2) (envelope-from ) id 1hjj3x-0003Sx-8Q for importer@patchew.org; Sat, 06 Jul 2019 07:41:05 -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 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 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 X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.63,458,1557212400"; d="scan'208";a="363355046" 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+importer=patchew.org@nongnu.org Sender: "Qemu-devel" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" 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 d= evfn, } } =20 +void pci_device_flush_pasid_iotlb(PCIBus *bus, int32_t devfn, + struct iommu_cache_invalidate_info *info) +{ + PCIDevice *dev; + + if (!bus) { + return; + } + + dev =3D 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 =3D 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); }; =20 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); =20 static inline void pci_set_byte(uint8_t *config, uint8_t val) --=20 2.7.4