From nobody Sat Feb 7 06:33:33 2026 Delivered-To: importer@patchew.org Received-SPF: pass (zohomail.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 (zohomail.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=1582358619; cv=none; d=zohomail.com; s=zohoarc; b=hkwLyTh90W4IyUzdlfH10rd7cxYdIXry9gciz27shcWX+FTmkPrmyH11/y5IqwU7zszTLTRhvNvCPekDbcUtMIrMwcGCvER7yQyS1sou7uH7tJPx0916t6usrX017tBU0S0E6ZeUaa7PI2UZiW3FWwaTS/aets5VfvvfC4YjCeU= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1582358619; 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; bh=9H5IAIIEaPpNcUZ2ZjIYpjDm9tyyynGsbqJx1ikDKNc=; b=R7ZE74cyj5eQd0eqDeNIB5JWgCmoZtQ+NnEIf/ZqSuCUI70YiWZKOd8SmK9BWve3uk3Ud/Ekbw7Yf9DIlqebcaV1K8Om2zxK0p5gbHKIH4Sq6vTnqRSTTOSMBOCzELYK5zwaI0OwEzx6fuTfPX7AQcXaMVdIvvHpAKsY6FdS9Kw= ARC-Authentication-Results: i=1; mx.zohomail.com; spf=pass (zohomail.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 (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1582358619443630.7460445250281; Sat, 22 Feb 2020 00:03:39 -0800 (PST) Received: from localhost ([::1]:39906 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1j5PlB-0003x5-Kk for importer@patchew.org; Sat, 22 Feb 2020 03:03:37 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:57413) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1j5Pjj-0002B6-NA for qemu-devel@nongnu.org; Sat, 22 Feb 2020 03:02:10 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1j5Pjh-0007zZ-NE for qemu-devel@nongnu.org; Sat, 22 Feb 2020 03:02:06 -0500 Received: from mga17.intel.com ([192.55.52.151]:49238) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1j5Pjh-0007tq-Dt for qemu-devel@nongnu.org; Sat, 22 Feb 2020 03:02:05 -0500 Received: from orsmga006.jf.intel.com ([10.7.209.51]) by fmsmga107.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 22 Feb 2020 00:01:58 -0800 Received: from jacob-builder.jf.intel.com ([10.7.199.155]) by orsmga006.jf.intel.com with ESMTP; 22 Feb 2020 00:01:57 -0800 X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.70,471,1574150400"; d="scan'208";a="240547677" From: Liu Yi L To: qemu-devel@nongnu.org, alex.williamson@redhat.com, peterx@redhat.com Subject: [RFC v3.1 09/22] hw/pci: add pci_device_host_iommu_context() Date: Sat, 22 Feb 2020 00:07:10 -0800 Message-Id: <1582358843-51931-10-git-send-email-yi.l.liu@intel.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1582358843-51931-1-git-send-email-yi.l.liu@intel.com> References: <1582358843-51931-1-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: 192.55.52.151 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: kevin.tian@intel.com, yi.l.liu@intel.com, Yi Sun , kvm@vger.kernel.org, mst@redhat.com, jun.j.tian@intel.com, eric.auger@redhat.com, yi.y.sun@intel.com, Jacob Pan , pbonzini@redhat.com, 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 pci_device_host_iommu_context() to expose HostIOMMUContext to vIOMMU emulators via pci layer. Cc: Kevin Tian Cc: Jacob Pan Cc: Peter Xu Cc: Eric Auger Cc: Yi Sun Cc: David Gibson Cc: Michael S. Tsirkin Signed-off-by: Liu Yi L --- hw/pci/pci.c | 8 ++++++++ include/hw/pci/pci.h | 1 + 2 files changed, 9 insertions(+) diff --git a/hw/pci/pci.c b/hw/pci/pci.c index 3166cc3..288576f 100644 --- a/hw/pci/pci.c +++ b/hw/pci/pci.c @@ -2689,6 +2689,14 @@ AddressSpace *pci_device_iommu_address_space(PCIDevi= ce *dev) return &address_space_memory; } =20 +HostIOMMUContext *pci_device_host_iommu_context(PCIDevice *dev) +{ + if (dev && dev->host_iommu_fn) { + return dev->host_iommu_fn(dev); + } + return NULL; +} + void pci_setup_iommu(PCIBus *bus, PCIIOMMUFunc fn, void *opaque) { bus->iommu_fn =3D fn; diff --git a/include/hw/pci/pci.h b/include/hw/pci/pci.h index e44eefb..cb514d0 100644 --- a/include/hw/pci/pci.h +++ b/include/hw/pci/pci.h @@ -494,6 +494,7 @@ AddressSpace *pci_device_iommu_address_space(PCIDevice = *dev); void pci_setup_iommu(PCIBus *bus, PCIIOMMUFunc fn, void *opaque); void pci_device_setup_iommu(PCIDevice *dev, PCIHostIOMMUFunc fn); void pci_device_unset_iommu(PCIDevice *dev); +HostIOMMUContext *pci_device_host_iommu_context(PCIDevice *dev); =20 static inline void pci_set_byte(uint8_t *config, uint8_t val) --=20 2.7.4