From nobody Sat Feb 7 05:57:27 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=1767637175; cv=none; d=zohomail.com; s=zohoarc; b=JNe4TqD8Wf9WolS0J2v8Zhqh6ErhJ7m2/K2m+EWGMlV2oGKdklbjpLJfb5CdjWSJgAFyiT1TYbdwF3C+66S+Ij5jPaBHnrDaL4BizP1MXQ/Oe8wqcsOHAOFfMLMXKhxhJMIQz+zMlNFxSQyl1x8LAXc2nVEmhvTi+pLiXVGeVVA= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1767637175; 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=dTwAjVCkao+L39FcbVg2fbqRAyzRacYVBrRk6AFr7ac=; b=S/JrVuDi/j3LDKtgS2TsQpOzBGRnW7wPI7mqgbObLrQB+m7i9fe58NAQox/b6lm1S/e+PLyfNICyWGk4w/T4A972j3M8bDuEeWi3KtPZRmYNNOKe4BCsYVOQl+aiXyTp31TVBCsv76UF7zGScvKL7eEkVBMx6KwYbKZ9DAQ1NY0= 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 1767637175394139.1973987885708; Mon, 5 Jan 2026 10:19:35 -0800 (PST) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1vcn3N-0005d7-At; Mon, 05 Jan 2026 11:03:33 -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 1vcn2A-00052I-1i; Mon, 05 Jan 2026 11:02:31 -0500 Received: from mx0b-001b2d01.pphosted.com ([148.163.158.5]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1vcn22-0001J0-Iu; Mon, 05 Jan 2026 11:02:13 -0500 Received: from pps.filterd (m0360072.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.18.1.2/8.18.1.2) with ESMTP id 605AKFRF028393; Mon, 5 Jan 2026 16:02:03 GMT Received: from pps.reinject (localhost [127.0.0.1]) by mx0a-001b2d01.pphosted.com (PPS) with ESMTPS id 4betrtfdbs-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Mon, 05 Jan 2026 16:02:03 +0000 (GMT) Received: from m0360072.ppops.net (m0360072.ppops.net [127.0.0.1]) by pps.reinject (8.18.1.12/8.18.0.8) with ESMTP id 605G22oo021369; Mon, 5 Jan 2026 16:02:02 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 4betrtfdbn-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Mon, 05 Jan 2026 16:02:02 +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 605EJsg9005216; Mon, 5 Jan 2026 16:02:02 GMT Received: from smtprelay07.dal12v.mail.ibm.com ([172.16.1.9]) by ppma23.wdc07v.mail.ibm.com (PPS) with ESMTPS id 4bfexjxm7x-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Mon, 05 Jan 2026 16:02:02 +0000 Received: from smtpav03.wdc07v.mail.ibm.com (smtpav03.wdc07v.mail.ibm.com [10.39.53.230]) by smtprelay07.dal12v.mail.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 605G20Le9306706 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Mon, 5 Jan 2026 16:02:00 GMT Received: from smtpav03.wdc07v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 8772D58054; Mon, 5 Jan 2026 16:02:00 +0000 (GMT) Received: from smtpav03.wdc07v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id A88AE5805D; Mon, 5 Jan 2026 16:01:59 +0000 (GMT) Received: from gfwr532.rchland.ibm.com (unknown [9.10.239.133]) by smtpav03.wdc07v.mail.ibm.com (Postfix) with ESMTP; Mon, 5 Jan 2026 16:01:59 +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=dTwAjVCkao+L39Fcb Vg2fbqRAyzRacYVBrRk6AFr7ac=; b=K0BufWhMtO5wJYDvAUdK821x5Tb5X4UNK ek+Gf93cfE/s+qNZc3ReF8OjIpScfAIKLzhSrk1vK6ujXGG8WVID3+r5LyxKlqVw cwSkl+FvnsYq7o1CWUbKJ8T1skvLuoewRgy7P0xJAZLiTxWbORAr5YKGu2NVruED rOll9Q2cDZTaDckKL/kClAplkIa0ZNbfR40YyoPE6K0QAnmA2GWaKjUNHRie+a+K U7jsuctaqBsKfryofIiONWUDLaWPpeyEkc5J8aHzC9hU5KKXGnEEyxiveCIdP1/V YjUbNVfohzDhdKqrBUTTE2pK6jEZflRDp6SmAb6GFMutA/6yz5nNg== From: Caleb Schlossin To: qemu-devel@nongnu.org Cc: qemu-ppc@nongnu.org, npiggin@gmail.com, adityag@linux.ibm.com, milesg@linux.ibm.com, alistair@alistair23.me, chalapathi.v@linux.ibm.com, kowal@linux.ibm.com, angeloj@linux.ibm.com, harshpb@linux.ibm.com, calebs@linux.ibm.com Subject: [PATCH v4 7/7] hw/ppc: Add VMSTATE information to PnvPsi Date: Mon, 5 Jan 2026 10:01:38 -0600 Message-ID: <20260105160138.3242709-8-calebs@linux.ibm.com> X-Mailer: git-send-email 2.47.3 In-Reply-To: <20260105160138.3242709-1-calebs@linux.ibm.com> References: <20260105160138.3242709-1-calebs@linux.ibm.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-TM-AS-GCONF: 00 X-Authority-Analysis: v=2.4 cv=aaJsXBot c=1 sm=1 tr=0 ts=695be07b cx=c_pps a=3Bg1Hr4SwmMryq2xdFQyZA==:117 a=3Bg1Hr4SwmMryq2xdFQyZA==:17 a=vUbySO9Y5rIA:10 a=VkNPw1HP01LnGYTKEx00:22 a=VnNF1IyMAAAA:8 a=oruG57yO5g4gZiaFByIA:9 X-Proofpoint-GUID: 8r9n8DMYhPBtgFGTWI2hOlPoi0CqurzK X-Proofpoint-ORIG-GUID: Y_cMpYYQ6QSaJpAKI0f92GK82ljgK3oD X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwMTA1MDEzOCBTYWx0ZWRfX1judwAC2+rSX dxqmUzjan6ADYNID4nIeBGlmbtAeCs+CGq/nuL/5/JPrJU3SeaAM3FYNUBc7FuZrAvTSXC6d1gv 9ZzskPorgH9UYgcsgppQGLn2j9YQOIegb6jk3rVrXwwGYytOtlpy91kat81OibjkAuAPWDsqodt McBSlrHmVHKotA5NsTguZK/1drFji2fOVNYzAq9NQDXzgw9ChXllcwLzap0iSI03hoVIr2nO92d p2MW7wWeamAXYABQMUfsw+GpOIko0pg6/Rhg2x91+lHIBfUZ8Btdwdzv1p71n+Ufn7zwLesnkSh TJ6D4vT5nIaQtG2mJldzOCcWVSfEHy02IATW6YwBkRerZakOPQcypo1tV0aNneMx7TnaysV7zWH qPru/jCijPTuZDkOQkQxKjXl8iclfgPZwMBfb22rMh1YnvmKfKxRl6WlxCyPCdYZkK1NjjKd9uj UveX+dXHP6QaeJgyQnQ== X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1121,Hydra:6.1.9,FMLib:17.12.100.49 definitions=2026-01-05_01,2026-01-05_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 suspectscore=0 adultscore=0 lowpriorityscore=0 bulkscore=0 malwarescore=0 priorityscore=1501 clxscore=1015 phishscore=0 spamscore=0 impostorscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.19.0-2512120000 definitions=main-2601050138 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 (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=148.163.158.5; envelope-from=calebs@linux.ibm.com; helo=mx0b-001b2d01.pphosted.com X-Spam_score_int: -26 X-Spam_score: -2.7 X-Spam_bar: -- X-Spam_report: (-2.7 / 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=0.001, RCVD_IN_MSPIKE_WL=0.001, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, RCVD_IN_VALIDITY_SAFE_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 @ibm.com) X-ZM-MESSAGEID: 1767637177073158500 Content-Type: text/plain; charset="utf-8" PnvPsi needs to be able to save/load snapshots. Add VMSTATE information to the device class and a post_load() method to restore dynamic data items = and memory region mappings. Signed-off-by: Michael Kowal Reviewed-by: Michael Kowal Signed-off-by: Caleb Schlossin --- hw/ppc/pnv_psi.c | 36 ++++++++++++++++++++++++++++++++++-- 1 file changed, 34 insertions(+), 2 deletions(-) diff --git a/hw/ppc/pnv_psi.c b/hw/ppc/pnv_psi.c index 264568cdfb..e8701c6100 100644 --- a/hw/ppc/pnv_psi.c +++ b/hw/ppc/pnv_psi.c @@ -25,6 +25,7 @@ #include "qemu/module.h" #include "system/reset.h" #include "qapi/error.h" +#include "migration/vmstate.h" =20 =20 #include "hw/ppc/fdt.h" @@ -130,12 +131,11 @@ static void pnv_psi_set_bar(PnvPsi *psi, uint64_t bar) { PnvPsiClass *ppc =3D PNV_PSI_GET_CLASS(psi); MemoryRegion *sysmem =3D get_system_memory(); - uint64_t old =3D psi->regs[PSIHB_XSCOM_BAR]; =20 psi->regs[PSIHB_XSCOM_BAR] =3D bar & (ppc->bar_mask | PSIHB_BAR_EN); =20 /* Update MR, always remove it first */ - if (old & PSIHB_BAR_EN) { + if (memory_region_is_mapped(&psi->regs_mr)) { memory_region_del_subregion(sysmem, &psi->regs_mr); } =20 @@ -919,6 +919,37 @@ static const TypeInfo pnv_psi_power9_info =3D { }, }; =20 +static int vmstate_pnv_psi_post_load(void *opaque, int version_id) +{ + PnvPsi *psi =3D PNV_PSI(opaque); + Pnv9Psi *psi9 =3D PNV9_PSI(psi); + MemoryRegion *sysmem =3D get_system_memory(); + uint64_t esb_bar; + hwaddr esb_addr; + + /* Set the ESB MMIO mapping */ + esb_bar =3D psi->regs[PSIHB_REG(PSIHB9_ESB_CI_BASE)]; + + if (esb_bar & PSIHB9_ESB_CI_VALID) { + esb_addr =3D esb_bar & PSIHB9_ESB_CI_ADDR_MASK; + memory_region_add_subregion(sysmem, esb_addr, + &psi9->source.esb_mmio); + } + + return 0; +} + +static const VMStateDescription vmstate_pnv_psi =3D { + .name =3D TYPE_PNV_PSI, + .version_id =3D 1, + .minimum_version_id =3D 1, + .post_load =3D vmstate_pnv_psi_post_load, + .fields =3D (const VMStateField[]) { + VMSTATE_UINT64_ARRAY(regs, PnvPsi, PSIHB_XSCOM_MAX), + VMSTATE_END_OF_LIST() + } +}; + static void pnv_psi_power10_class_init(ObjectClass *klass, const void *dat= a) { DeviceClass *dc =3D DEVICE_CLASS(klass); @@ -926,6 +957,7 @@ static void pnv_psi_power10_class_init(ObjectClass *kla= ss, const void *data) static const char compat[] =3D "ibm,power10-psihb-x\0ibm,psihb-x"; =20 dc->desc =3D "PowerNV PSI Controller POWER10"; + dc->vmsd =3D &vmstate_pnv_psi; =20 ppc->xscom_pcba =3D PNV10_XSCOM_PSIHB_BASE; ppc->xscom_size =3D PNV10_XSCOM_PSIHB_SIZE; --=20 2.47.3