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GET /api/patches/2219470/?format=api
{ "id": 2219470, "url": "http://patchwork.ozlabs.org/api/patches/2219470/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20260403035541.18355-15-zhenzhong.duan@intel.com/", "project": { "id": 14, "url": "http://patchwork.ozlabs.org/api/projects/14/?format=api", "name": "QEMU Development", "link_name": "qemu-devel", "list_id": "qemu-devel.nongnu.org", "list_email": "qemu-devel@nongnu.org", "web_url": "", "scm_url": "", "webscm_url": "", "list_archive_url": "", "list_archive_url_format": "", "commit_url_format": "" }, "msgid": "<20260403035541.18355-15-zhenzhong.duan@intel.com>", "list_archive_url": null, "date": "2026-04-03T03:55:38", "name": "[v3,14/14] intel_iommu: Expose flag VIOMMU_FLAG_PASID_SUPPORTED when configured", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "524e9c92d1c50e0a3a5e718f65994257170df937", "submitter": { "id": 81636, "url": "http://patchwork.ozlabs.org/api/people/81636/?format=api", "name": "Duan, Zhenzhong", "email": "zhenzhong.duan@intel.com" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20260403035541.18355-15-zhenzhong.duan@intel.com/mbox/", "series": [ { "id": 498583, "url": "http://patchwork.ozlabs.org/api/series/498583/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/list/?series=498583", "date": "2026-04-03T03:55:36", "name": "intel_iommu: Enable PASID support for passthrough device", "version": 3, "mbox": "http://patchwork.ozlabs.org/series/498583/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/2219470/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2219470/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "<qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org>", "X-Original-To": "incoming@patchwork.ozlabs.org", "Delivered-To": "patchwork-incoming@legolas.ozlabs.org", "Authentication-Results": [ "legolas.ozlabs.org;\n\tdkim=pass (2048-bit key;\n unprotected) header.d=intel.com header.i=@intel.com header.a=rsa-sha256\n header.s=Intel header.b=iMdWPuMM;\n\tdkim-atps=neutral", "legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org\n (client-ip=209.51.188.17; helo=lists.gnu.org;\n envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org;\n receiver=patchwork.ozlabs.org)" ], "Received": [ "from lists.gnu.org (lists.gnu.org [209.51.188.17])\n\t(using TLSv1.2 with cipher ECDHE-ECDSA-AES256-GCM-SHA384 (256/256 bits))\n\t(No client certificate requested)\n\tby legolas.ozlabs.org (Postfix) with ESMTPS id 4fn4gW0Fbdz1yCs\n\tfor <incoming@patchwork.ozlabs.org>; Fri, 03 Apr 2026 14:57:43 +1100 (AEDT)", "from localhost ([::1] helo=lists1p.gnu.org)\n\tby lists.gnu.org with esmtp (Exim 4.90_1)\n\t(envelope-from <qemu-devel-bounces@nongnu.org>)\n\tid 1w8VeH-0001b2-Hl; Thu, 02 Apr 2026 23:56:45 -0400", "from eggs.gnu.org ([2001:470:142:3::10])\n by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256)\n (Exim 4.90_1) (envelope-from <zhenzhong.duan@intel.com>)\n id 1w8VeF-0001Tv-U4\n for qemu-devel@nongnu.org; Thu, 02 Apr 2026 23:56:43 -0400", "from mgamail.intel.com ([198.175.65.19])\n by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256)\n (Exim 4.90_1) (envelope-from <zhenzhong.duan@intel.com>)\n id 1w8VeD-0004N9-Sn\n for qemu-devel@nongnu.org; Thu, 02 Apr 2026 23:56:43 -0400", "from fmviesa007.fm.intel.com ([10.60.135.147])\n by orvoesa111.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384;\n 02 Apr 2026 20:56:41 -0700", "from unknown (HELO gnr-sp-2s-612.sh.intel.com) ([10.112.230.229])\n by fmviesa007-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384;\n 02 Apr 2026 20:56:38 -0700" ], "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/simple;\n d=intel.com; i=@intel.com; q=dns/txt; s=Intel;\n t=1775188602; x=1806724602;\n h=from:to:cc:subject:date:message-id:in-reply-to:\n references:mime-version:content-transfer-encoding;\n bh=Gpq4iT48dEoIvQVMl/RDHwVdK3eHCPEFNnahXMO0tqE=;\n b=iMdWPuMM8VjZPFfPVH7f2yIaJWwE6ELZB5ARxO1lIH02nKL0ExXl9FFu\n mtcyimJdO8Q09nrMZiJLRhyBe5ZZTH3XEAnbbdNgEUOva3rhcIEm6wO2y\n PUjK+r+0IZCVpYEvcXdJ2T12IxEps16kyqTp3Tbc/QPyBFid4fy/jqZMg\n Y7FYILi4QrpIHGbVd2RIW5FLcu8wQhPY00UwrWJ0lLFqAYS9VII9mGNRo\n O4Q6S64bNgWK/Zy3f+Gm1jYjCBisyxx7bW+MfLL/23WLQHozxZ8hb0/oS\n FktblX6sIwAgUD2AlPKVbTni2B6wvaSNCOMreD2yYbo6WqmMCdRDNCvro A==;", "X-CSE-ConnectionGUID": [ "hkL0BQKcQlS3APi/4PMpbw==", "RAgMnMFBQhOnMme+l00PZw==" ], "X-CSE-MsgGUID": [ "NPTtWIqBSu+Yn4n9pFu4eQ==", "sX4x4nkSSK6VrsiAFlnkDA==" ], "X-IronPort-AV": [ "E=McAfee;i=\"6800,10657,11747\"; a=\"76140700\"", "E=Sophos;i=\"6.23,157,1770624000\"; d=\"scan'208\";a=\"76140700\"", "E=Sophos;i=\"6.23,157,1770624000\"; d=\"scan'208\";a=\"223884968\"" ], "X-ExtLoop1": "1", "From": "Zhenzhong Duan <zhenzhong.duan@intel.com>", "To": "qemu-devel@nongnu.org", "Cc": "alex@shazbot.org, clg@redhat.com, eric.auger@redhat.com, mst@redhat.com,\n jasowang@redhat.com, jgg@nvidia.com, nicolinc@nvidia.com,\n skolothumtho@nvidia.com, joao.m.martins@oracle.com,\n clement.mathieu--drif@bull.com, kevin.tian@intel.com, yi.l.liu@intel.com,\n xudong.hao@intel.com, Zhenzhong Duan <zhenzhong.duan@intel.com>", "Subject": "[PATCH v3 14/14] intel_iommu: Expose flag VIOMMU_FLAG_PASID_SUPPORTED\n when configured", "Date": "Thu, 2 Apr 2026 23:55:38 -0400", "Message-ID": "<20260403035541.18355-15-zhenzhong.duan@intel.com>", "X-Mailer": "git-send-email 2.47.3", "In-Reply-To": "<20260403035541.18355-1-zhenzhong.duan@intel.com>", "References": "<20260403035541.18355-1-zhenzhong.duan@intel.com>", "MIME-Version": "1.0", "Content-Transfer-Encoding": "8bit", "Received-SPF": "pass client-ip=198.175.65.19;\n envelope-from=zhenzhong.duan@intel.com; helo=mgamail.intel.com", "X-Spam_score_int": "-48", "X-Spam_score": "-4.9", "X-Spam_bar": "----", "X-Spam_report": "(-4.9 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.542,\n DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1,\n RCVD_IN_DNSWL_MED=-2.3, RCVD_IN_VALIDITY_CERTIFIED_BLOCKED=0.001,\n RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, SPF_HELO_NONE=0.001,\n 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": "qemu development <qemu-devel.nongnu.org>", "List-Unsubscribe": "<https://lists.nongnu.org/mailman/options/qemu-devel>,\n <mailto:qemu-devel-request@nongnu.org?subject=unsubscribe>", "List-Archive": "<https://lists.nongnu.org/archive/html/qemu-devel>", "List-Post": "<mailto:qemu-devel@nongnu.org>", "List-Help": "<mailto:qemu-devel-request@nongnu.org?subject=help>", "List-Subscribe": "<https://lists.nongnu.org/mailman/listinfo/qemu-devel>,\n <mailto:qemu-devel-request@nongnu.org?subject=subscribe>", "Errors-To": "qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org", "Sender": "qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org" }, "content": "VFIO device will check flag VIOMMU_FLAG_PASID_SUPPORTED and expose PASID\ncapability, or else guest could not enable PASID of this device even if\nvIOMMU's pasid is configured.\n\nThis is the final knob to enable PASID.\n\nSigned-off-by: Zhenzhong Duan <zhenzhong.duan@intel.com>\nTested-by: Xudong Hao <xudong.hao@intel.com>\n---\n hw/i386/intel_iommu.c | 1 +\n 1 file changed, 1 insertion(+)", "diff": "diff --git a/hw/i386/intel_iommu.c b/hw/i386/intel_iommu.c\nindex abcb0df5d9..3cb8a547c7 100644\n--- a/hw/i386/intel_iommu.c\n+++ b/hw/i386/intel_iommu.c\n@@ -4794,6 +4794,7 @@ static uint64_t vtd_get_viommu_flags(void *opaque)\n uint64_t flags;\n \n flags = s->fsts ? VIOMMU_FLAG_WANT_NESTING_PARENT : 0;\n+ flags |= s->pasid ? VIOMMU_FLAG_PASID_SUPPORTED : 0;\n \n return flags;\n }\n", "prefixes": [ "v3", "14/14" ] }