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a="55982063" X-IronPort-AV: E=Sophos;i="6.16,348,1744095600"; d="scan'208";a="55982063" X-CSE-ConnectionGUID: cuw9jsrBTIugrbznclSESQ== X-CSE-MsgGUID: GJ1XwN3tTliRHhsotVGUbw== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.16,348,1744095600"; d="scan'208";a="162691538" From: Zhenzhong Duan To: qemu-devel@nongnu.org Cc: alex.williamson@redhat.com, clg@redhat.com, eric.auger@redhat.com, mst@redhat.com, jasowang@redhat.com, peterx@redhat.com, ddutile@redhat.com, jgg@nvidia.com, nicolinc@nvidia.com, shameerali.kolothum.thodi@huawei.com, joao.m.martins@oracle.com, clement.mathieu--drif@eviden.com, kevin.tian@intel.com, yi.l.liu@intel.com, chao.p.peng@intel.com, Zhenzhong Duan Subject: [PATCH v4 20/20] intel_iommu: Enable host device when x-flts=on in scalable mode Date: Tue, 29 Jul 2025 05:20:42 -0400 Message-ID: <20250729092043.785836-21-zhenzhong.duan@intel.com> X-Mailer: git-send-email 2.47.1 In-Reply-To: <20250729092043.785836-1-zhenzhong.duan@intel.com> References: <20250729092043.785836-1-zhenzhong.duan@intel.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable 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; Received-SPF: pass client-ip=192.198.163.17; envelope-from=zhenzhong.duan@intel.com; helo=mgamail.intel.com X-Spam_score_int: -43 X-Spam_score: -4.4 X-Spam_bar: ---- X-Spam_report: (-4.4 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_MED=-2.3, RCVD_IN_VALIDITY_CERTIFIED_BLOCKED=0.001, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @intel.com) X-ZM-MESSAGEID: 1753781042263116600 Content-Type: text/plain; charset="utf-8" Now that all infrastructures of supporting passthrough device running with stage-1 translation are there, enable it now. Signed-off-by: Zhenzhong Duan --- hw/i386/intel_iommu.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/hw/i386/intel_iommu.c b/hw/i386/intel_iommu.c index d2442ff28d..c8375c33f2 100644 --- a/hw/i386/intel_iommu.c +++ b/hw/i386/intel_iommu.c @@ -5219,6 +5219,8 @@ static bool vtd_check_hiod(IntelIOMMUState *s, VTDHos= tIOMMUDevice *vtd_hiod, "when x-flts=3Don"); return false; } + + return true; #endif =20 error_setg(errp, "host IOMMU is incompatible with stage-1 translation"= ); --=20 2.47.1