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GET /api/patches/2196475/?format=api
{ "id": 2196475, "url": "http://patchwork.ozlabs.org/api/patches/2196475/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20260214034135.220413-14-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": "<20260214034135.220413-14-zhenzhong.duan@intel.com>", "list_archive_url": null, "date": "2026-02-14T03:41:33", "name": "[RFCv2,13/13] 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": "Zhenzhong Duan", "email": "zhenzhong.duan@intel.com" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20260214034135.220413-14-zhenzhong.duan@intel.com/mbox/", "series": [ { "id": 492156, "url": "http://patchwork.ozlabs.org/api/series/492156/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/list/?series=492156", "date": "2026-02-14T03:41:20", "name": "intel_iommu: Enable PASID support for passthrough device", "version": 1, "mbox": "http://patchwork.ozlabs.org/series/492156/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/2196475/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2196475/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=R4yUrio/;\n\tdkim-atps=neutral", "legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org\n (client-ip=209.51.188.17; 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Fri, 13 Feb 2026 22:42:38 -0500", "from orviesa009.jf.intel.com ([10.64.159.149])\n by orvoesa104.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384;\n 13 Feb 2026 19:42:37 -0800", "from unknown (HELO gnr-sp-2s-612.sh.intel.com) ([10.112.230.229])\n by orviesa009-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384;\n 13 Feb 2026 19:42:33 -0800" ], "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/simple;\n d=intel.com; i=@intel.com; q=dns/txt; s=Intel;\n t=1771040557; x=1802576557;\n h=from:to:cc:subject:date:message-id:in-reply-to:\n references:mime-version:content-transfer-encoding;\n bh=LiCckamDJARkM29it4+GmExQOwvpYcX1Aa4iyhrdEAY=;\n b=R4yUrio/slLBTnFmiUhQnzCzc08PpL4T0Qs9Gh3p0ZoKJnVj0KkkTLxa\n xr9GdI5J80l+i0hnvJQZHvmHszMOWdE3MsOaJ+foom++WYTJTG+yCB1pH\n b0cgmeGwtZ8Rmi+v79aYIGzAz6wl4Ikl1gd/cSxvGN89F5+f5szhKXLrS\n cgRxPvX4ScTPylhZe253tIO/7O1SR/TCr2IkrJhTO9XYErJETDhz6S95u\n TagBEhtlPZQksZpWDbXhIeDFOireDAO+a5dUpYmxBCdwGzr6EBLZpUQ4k\n zllj0ZSNfzMxylJ5kb4Mm7gZ2jCZAAilmVa/71/z8X9x+/RoGYkgO9g3g g==;", "X-CSE-ConnectionGUID": [ "j6fvcX5FTUaEWPHCb7Uv6w==", "1EdsHg3KSRGE75K46MBj4A==" ], "X-CSE-MsgGUID": [ "XPbW8WknSoa0OzMsnffocw==", "CaqArC9nTE62g4RC1zUZRA==" ], "X-IronPort-AV": [ "E=McAfee;i=\"6800,10657,11700\"; a=\"83666883\"", "E=Sophos;i=\"6.21,289,1763452800\"; d=\"scan'208\";a=\"83666883\"", "E=Sophos;i=\"6.21,289,1763452800\"; d=\"scan'208\";a=\"212933147\"" ], "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@eviden.com, kevin.tian@intel.com, yi.l.liu@intel.com,\n xudong.hao@intel.com, Zhenzhong Duan <zhenzhong.duan@intel.com>", "Subject": "[RFCv2 PATCH 13/13] intel_iommu: Expose flag\n VIOMMU_FLAG_PASID_SUPPORTED when configured", "Date": "Fri, 13 Feb 2026 22:41:33 -0500", "Message-ID": "<20260214034135.220413-14-zhenzhong.duan@intel.com>", "X-Mailer": "git-send-email 2.47.3", "In-Reply-To": "<20260214034135.220413-1-zhenzhong.duan@intel.com>", "References": "<20260214034135.220413-1-zhenzhong.duan@intel.com>", "MIME-Version": "1.0", "Content-Transfer-Encoding": "8bit", "Received-SPF": "pass client-ip=198.175.65.12;\n 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,\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_RPBL_BLOCKED=0.001,\n RCVD_IN_VALIDITY_SAFE_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>\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 c1b31b17de..eaf384f40b 100644\n--- a/hw/i386/intel_iommu.c\n+++ b/hw/i386/intel_iommu.c\n@@ -4779,6 +4779,7 @@ 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": [ "RFCv2", "13/13" ] }