From nobody Sun Apr 12 00:54:28 2026 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass; 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=pass(p=reject dis=none) header.from=linux.ibm.com ARC-Seal: i=1; a=rsa-sha256; t=1772434437; cv=none; d=zohomail.com; s=zohoarc; b=PE6+AKOxOomLfkQ4nxPHK6M8b5bySusNJtLUffUveDLwHUJhoXzyYng8qPMCPmsMnbT2VOlffaUsAiON2hacgQZXXJo/Rzb4C9HWnkGQi/j+Fgznip6tkDNkJV9a8AlV9TjtYqVnWaN6gv6e4ZF2V3uJoK/KIyh5rxdvO/cOEHo= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1772434437; h=Content-Transfer-Encoding:Cc:Cc:Date:Date:From:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:Subject:To:To:Message-Id:Reply-To; bh=RFC1BhE5QYgRVLNqVI3VflVhJa365rzjWQSSOiaSvgQ=; b=bZORKjdudGQgscVhauMS0BFgaVdMJVn3ofvue5mSoiWGNyT5JEk4oYlGLooQiIdlWZjlfnRoJUoanYm55TWb764N5K/03Gg8GlW1/5o9hn39YRORsluRr8nhc9r9CBHUhdgxs8Mtc25qlruaU1Mu48GvFNgJvFMi6EiHzN8QyKg= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass; 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=pass header.from= (p=reject dis=none) Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1772434437095374.61896912571854; Sun, 1 Mar 2026 22:53:57 -0800 (PST) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1vwxA2-0008Ar-1S; Mon, 02 Mar 2026 01:53:47 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1vwx9Y-00083k-5d for qemu-devel@nongnu.org; Mon, 02 Mar 2026 01:53:21 -0500 Received: from mx0a-001b2d01.pphosted.com ([148.163.156.1]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1vwx9S-00027f-Uj for qemu-devel@nongnu.org; Mon, 02 Mar 2026 01:53:13 -0500 Received: from pps.filterd (m0356517.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.18.1.11/8.18.1.11) with ESMTP id 6220sgxC2333658 for ; Mon, 2 Mar 2026 06:53:08 GMT Received: from ppma23.wdc07v.mail.ibm.com (5d.69.3da9.ip4.static.sl-reverse.com [169.61.105.93]) by mx0a-001b2d01.pphosted.com (PPS) with ESMTPS id 4cksjd59ky-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT) for ; Mon, 02 Mar 2026 06:53:08 +0000 (GMT) Received: from pps.filterd (ppma23.wdc07v.mail.ibm.com [127.0.0.1]) by ppma23.wdc07v.mail.ibm.com (8.18.1.2/8.18.1.2) with ESMTP id 6225e9I8010335 for ; Mon, 2 Mar 2026 06:53:07 GMT Received: from smtprelay01.fra02v.mail.ibm.com ([9.218.2.227]) by ppma23.wdc07v.mail.ibm.com (PPS) with ESMTPS id 4cmc6jvkgx-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT) for ; Mon, 02 Mar 2026 06:53:07 +0000 Received: from smtpav03.fra02v.mail.ibm.com (smtpav03.fra02v.mail.ibm.com [10.20.54.102]) by smtprelay01.fra02v.mail.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 6226r33F61866362 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Mon, 2 Mar 2026 06:53:03 GMT Received: from smtpav03.fra02v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 5568220079; Mon, 2 Mar 2026 06:53:03 +0000 (GMT) Received: from smtpav03.fra02v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 031E620077; Mon, 2 Mar 2026 06:53:02 +0000 (GMT) Received: from Mac.com (unknown [9.124.211.120]) by smtpav03.fra02v.mail.ibm.com (Postfix) with ESMTP; Mon, 2 Mar 2026 06:53:01 +0000 (GMT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ibm.com; h=cc :content-transfer-encoding:date:from:in-reply-to:message-id :mime-version:references:subject:to; s=pp1; bh=RFC1BhE5QYgRVLNqV I3VflVhJa365rzjWQSSOiaSvgQ=; b=m9/pWt84YQiManjGs7SkSyZw49U1CG30z UekkFGBIrdN+PWH7YkEVFho2Hp2CXa8Na24+qRRAyakVfGYuJ7nIGNyHWh367RAV MB1+L8Yf46DLuJJ7Uo3BdXaGFxeYUFelEyJxT9MRMUlYdEsdGV8y2AdUTpBN6vmj q95y8bda4KA0B26DcM6uaql/tWFhP7ivZmUWRFI0tXMwUK6GzMQwoomqWFrcEHpA 8pSnILcxLx2UzqFlZSTkMmv3IKIz5somVyXK6Hn5ebIRVecjZ5Km6jKHObAajt6c /k4Xj7Y8F54I3XU14Y1CdtGTMjh8f1DQL/5T7aytcraGuyG/685dQ== From: Harsh Prateek Bora To: qemu-devel@nongnu.org Cc: Caleb Schlossin , Chalapathi V , Glenn Miles , Aditya Gupta Subject: [PULL 2/4] ppc/pnv: Support for SECURITY_SWITCH XSCOM register access Date: Mon, 2 Mar 2026 12:22:15 +0530 Message-ID: <20260302065230.56220-3-harshpb@linux.ibm.com> X-Mailer: git-send-email 2.52.0 In-Reply-To: <20260302065230.56220-1-harshpb@linux.ibm.com> References: <20260302065230.56220-1-harshpb@linux.ibm.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-TM-AS-GCONF: 00 X-Authority-Analysis: v=2.4 cv=M9BA6iws c=1 sm=1 tr=0 ts=69a533d4 cx=c_pps a=3Bg1Hr4SwmMryq2xdFQyZA==:117 a=3Bg1Hr4SwmMryq2xdFQyZA==:17 a=Yq5XynenixoA:10 a=f7IdgyKtn90A:10 a=VkNPw1HP01LnGYTKEx00:22 a=RnoormkPH1_aCDwRdu11:22 a=U7nrCbtTmkRpXpFmAIza:22 a=VwQbUJbxAAAA:8 a=VnNF1IyMAAAA:8 a=rhZDsxdhWw0Yntd0-ucA:9 X-Proofpoint-ORIG-GUID: O4XpLFjRUwOXxVUc2vi9o1_tUvJuGuKS X-Proofpoint-GUID: O4XpLFjRUwOXxVUc2vi9o1_tUvJuGuKS X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwMzAyMDA1NiBTYWx0ZWRfX9nbkqyjbdiOq ICjfJG+2MtUEMiBORu/T6NvXg03OMonr5npL6ac4HRMPdGnUeNwbrTuS71C40GK0JAfXgkXTqAn Yp150R5b+qSyduoIzeat9vp7McL7kVofjPHYhDT1Yb+NE04ADXFw0TkdOVdvyCZWq9leT421kBk ki4t+uejiYDB01lG5chkTsVXkS+TEbKodIP9aEgkOApKF4U+XDRae/Hoew2n7jQovc7V5dFNC7S H3bvKd+r2fUyMgPUMWqAj4aj2m7nCxSzB3HG1VrDANZqgPE33IfA1Pf2vD4+UIDq86BToOAiAqO tGixSQYD53Bg0HOHU/1lFqIoI0+bIfT7E4UBBAO+zXHr9esKSdUinHK+nhFCv9CRgr+idhQagVr FixYMHkxFbayHeI+C5+gXSnfNXIl0SxhlKLDz0H0nLJGoWEdrAJXGdwWfujWsK1tzILRRX/qI2C G5GlrJ35zxq+u+BXFJA== X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1121,Hydra:6.1.51,FMLib:17.12.100.49 definitions=2026-03-02_02,2026-02-27_03,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 clxscore=1015 priorityscore=1501 spamscore=0 adultscore=0 malwarescore=0 bulkscore=0 lowpriorityscore=0 impostorscore=0 phishscore=0 suspectscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2602130000 definitions=main-2603020056 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=148.163.156.1; envelope-from=harshpb@linux.ibm.com; helo=mx0a-001b2d01.pphosted.com X-Spam_score_int: -14 X-Spam_score: -1.5 X-Spam_bar: - X-Spam_report: (-1.5 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H4=-0.01, RCVD_IN_MSPIKE_WL=-0.01, RCVD_IN_VALIDITY_CERTIFIED_BLOCKED=0.012, RCVD_IN_VALIDITY_RPBL_BLOCKED=1.188, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=no 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 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 @ibm.com) X-ZM-MESSAGEID: 1772434454276158500 Content-Type: text/plain; charset="utf-8" From: Caleb Schlossin Power Hypervisor code requires access to the SECURITY_SWITCH XSCOM register at MMIO address 0x80028 (scom address 0x10005). Adding basic read support for now so that is doesn't cause error messages to be posted. Reviewed-by: Chalapathi V Reviewed-by: Glenn Miles Reviewed-by: Aditya Gupta Signed-off-by: Glenn Miles Signed-off-by: Caleb Schlossin Link: https://lore.kernel.org/qemu-devel/20260210134647.2050821-2-calebs@li= nux.ibm.com Signed-off-by: Harsh Prateek Bora --- hw/ppc/pnv_xscom.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/hw/ppc/pnv_xscom.c b/hw/ppc/pnv_xscom.c index 8557b560ae..dc1ffc6c01 100644 --- a/hw/ppc/pnv_xscom.c +++ b/hw/ppc/pnv_xscom.c @@ -61,6 +61,8 @@ static uint32_t pnv_xscom_pcba(PnvChip *chip, uint64_t ad= dr) static uint64_t xscom_read_default(PnvChip *chip, uint32_t pcba) { switch (pcba) { + case 0x10005: /* SECURITY SWITCH */ + return 0; case 0xf000f: return PNV_CHIP_GET_CLASS(chip)->chip_cfam_id; case 0x18002: /* ECID2 */ --=20 2.52.0