From nobody Sun Sep 28 17:05:16 2025 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=oracle.com ARC-Seal: i=1; a=rsa-sha256; t=1758549148; cv=none; d=zohomail.com; s=zohoarc; b=KUpZM7gUs5b4a5bal7JYK9TmqVQYyyxJLyfEeASpE/frpxjuSzmxSY22dONE5b3vy5q7pBXcMe6YcaOFiBIkDcQWcwSuxecjJmoyq9LRjr3gcFsuKLhHD+Zuvg7mu735nMr97PZRHsL/F2K4HCree+FRnKeAKJ075vsUfml3FDo= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1758549148; h=Cc:Cc:Date:Date:From:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:Message-ID:References:Sender:Subject:Subject:To:To:Message-Id:Reply-To; bh=2bWnxhTfby+JfYwTzPOe6ikvJvlzOf50/3Bo9FgmuXY=; b=BF2smP3itSztHQPyBHVocJvmIjYvGMj2+iJkG+CfbtP9c0seB7UqkLOu/U7oHCt3d03PvwMWquuaZkDsbThsejz3eNvP2WF+eEe6N9kXXroMpY4/Qvu2xuEJLBagoPqWQ+IrAZ28HLzppYgckWTkbMqWh9rwVl5e9OEc5jzH8U8= 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 1758549148637993.8893503009298; Mon, 22 Sep 2025 06:52:28 -0700 (PDT) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1v0gvh-0000Tp-56; Mon, 22 Sep 2025 09:50:09 -0400 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 1v0gvZ-0000QE-1H for qemu-devel@nongnu.org; Mon, 22 Sep 2025 09:50:02 -0400 Received: from mx0b-00069f02.pphosted.com ([205.220.177.32]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1v0gvS-0001u0-HU for qemu-devel@nongnu.org; Mon, 22 Sep 2025 09:50:00 -0400 Received: from pps.filterd (m0246630.ppops.net [127.0.0.1]) by mx0b-00069f02.pphosted.com (8.18.1.2/8.18.1.2) with ESMTP id 58M7NNsc024185; Mon, 22 Sep 2025 13:49:51 GMT Received: from iadpaimrmta02.imrmtpd1.prodappiadaev1.oraclevcn.com (iadpaimrmta02.appoci.oracle.com [147.154.18.20]) by mx0b-00069f02.pphosted.com (PPS) with ESMTPS id 499jpdjg8p-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Mon, 22 Sep 2025 13:49:51 +0000 (GMT) Received: from pps.filterd (iadpaimrmta02.imrmtpd1.prodappiadaev1.oraclevcn.com [127.0.0.1]) by iadpaimrmta02.imrmtpd1.prodappiadaev1.oraclevcn.com (8.18.1.2/8.18.1.2) with ESMTP id 58MCGFgP034388; Mon, 22 Sep 2025 13:49:51 GMT Received: from pps.reinject (localhost [127.0.0.1]) by iadpaimrmta02.imrmtpd1.prodappiadaev1.oraclevcn.com (PPS) with ESMTPS id 49a6nhan8m-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Mon, 22 Sep 2025 13:49:51 +0000 Received: from iadpaimrmta02.imrmtpd1.prodappiadaev1.oraclevcn.com (iadpaimrmta02.imrmtpd1.prodappiadaev1.oraclevcn.com [127.0.0.1]) by pps.reinject (8.17.1.5/8.17.1.5) with ESMTP id 58MDnlWF004351; Mon, 22 Sep 2025 13:49:50 GMT Received: from ca-dev63.us.oracle.com (ca-dev63.us.oracle.com [10.211.8.221]) by iadpaimrmta02.imrmtpd1.prodappiadaev1.oraclevcn.com (PPS) with ESMTP id 49a6nhan6x-3; Mon, 22 Sep 2025 13:49:50 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=oracle.com; h=cc :date:from:in-reply-to:message-id:references:subject:to; s= corp-2025-04-25; bh=2bWnxhTfby+JfYwTzPOe6ikvJvlzOf50/3Bo9FgmuXY=; b= NQvdccYfVL5jq/ZkR111bxNufECVf3MD6fmxY0ZJjJZINL6TQ+4U6wgdykgk0Ujw BfB6xas9VM3rDb4Bsf2RMCvKIPDPFk7zzEyZu1eMi9JEAp5r3bjtz1o1wVM5Nlaf SF4sRzCc6EnasZOlC9sRILJrZmtkl4oE+KbE3CkPmFIgAYhVZTgI3gJxKfjYd/uc 0EuZFJBL3ueLNNqNvKA6GKNO5c7c65mSfy4C52hFT+zfTyKl96bhJFnh0s+kfHZg izkdDg0VZUtpPkW29pgapZu1kMPa5RvZlBUcEg9jUNcXKe7Fzd2NUoP0OcWw7cFJ ZgYmeXRMfwvnSkv54mkoyw== From: Steve Sistare To: qemu-devel@nongnu.org Cc: Fabiano Rosas , Peter Xu , Markus Armbruster , Paolo Bonzini , Eric Blake , "Dr. David Alan Gilbert" , Cedric Le Goater , Alex Williamson , Steve Sistare Subject: [PATCH V4 2/8] migration: add cpr_walk_fd Date: Mon, 22 Sep 2025 06:49:39 -0700 Message-Id: <1758548985-354793-3-git-send-email-steven.sistare@oracle.com> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1758548985-354793-1-git-send-email-steven.sistare@oracle.com> References: <1758548985-354793-1-git-send-email-steven.sistare@oracle.com> X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1117,Hydra:6.1.9,FMLib:17.12.80.40 definitions=2025-09-22_01,2025-09-22_01,2025-03-28_01 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 mlxlogscore=999 adultscore=0 mlxscore=0 spamscore=0 malwarescore=0 phishscore=0 bulkscore=0 suspectscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2508110000 definitions=main-2509220135 X-Proofpoint-GUID: x1yL8aEv2pIU9zhWR_lXw7jXqChR34yy X-Proofpoint-Spam-Details-Enc: AW1haW4tMjUwOTIwMDAxMiBTYWx0ZWRfX+XJwVbkWD8fk K0/tiBKNEXrF0IHc9mjVauGZsmaMwncb6yHjrdY2ZFmunZ6MAAGuuusKszS8L/YUmOhy4VxyxJ4 54ZzG0CMMoGG6A0gD2zkZxrR/1YJnnZvIAeLL2l0KtPkrOxO2NuK/bbmJ0axMZm2KuDSmVk32PD YVkhdUVKTdJoW6BiipEWGUtINcFgfP1R/Xywk+x7MhiZM8t2JcU8+XTIzSfwVWm98yWvpV+fmSX hHWUbEmdjHJZERSEjOBG/j0Ip1jK4v5pIMETulBlaztfg6bQLJdgaoX6OX91ReKWEsRx/eGCDqg 0ruxrdcu6cvIznPyBFusWsO6QZSfERfqy0yPs3qAirOX6COWhufSMhupHjoRDSm/P6qD991dgO7 w78hPTfdtIEBUTMLEN9VgtNrvIT/1A== X-Authority-Analysis: v=2.4 cv=aJPwqa9m c=1 sm=1 tr=0 ts=68d153ff b=1 cx=c_pps a=e1sVV491RgrpLwSTMOnk8w==:117 a=e1sVV491RgrpLwSTMOnk8w==:17 a=yJojWOMRYYMA:10 a=yPCof4ZbAAAA:8 a=20KFwNOVAAAA:8 a=XbKixnoXw7dXUEClIQQA:9 cc=ntf awl=host:13614 X-Proofpoint-ORIG-GUID: x1yL8aEv2pIU9zhWR_lXw7jXqChR34yy 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=205.220.177.32; envelope-from=steven.sistare@oracle.com; helo=mx0b-00069f02.pphosted.com X-Spam_score_int: -27 X-Spam_score: -2.8 X-Spam_bar: -- X-Spam_report: (-2.8 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_MED=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_LOW=-0.7, 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 @oracle.com) X-ZM-MESSAGEID: 1758549150606116600 Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Add a helper to walk all CPR fd's and run a callback for each. Signed-off-by: Steve Sistare Reviewed-by: Peter Xu --- include/migration/cpr.h | 3 +++ migration/cpr.c | 13 +++++++++++++ 2 files changed, 16 insertions(+) diff --git a/include/migration/cpr.h b/include/migration/cpr.h index 3fc19a7..2b074d7 100644 --- a/include/migration/cpr.h +++ b/include/migration/cpr.h @@ -34,6 +34,9 @@ void cpr_resave_fd(const char *name, int id, int fd); int cpr_open_fd(const char *path, int flags, const char *name, int id, Error **errp); =20 +typedef bool (*cpr_walk_fd_cb)(int fd); +bool cpr_walk_fd(cpr_walk_fd_cb cb); + MigMode cpr_get_incoming_mode(void); void cpr_set_incoming_mode(MigMode mode); bool cpr_is_incoming(void); diff --git a/migration/cpr.c b/migration/cpr.c index 42ad0b0..d3e370e 100644 --- a/migration/cpr.c +++ b/migration/cpr.c @@ -121,6 +121,19 @@ int cpr_open_fd(const char *path, int flags, const cha= r *name, int id, return fd; } =20 +bool cpr_walk_fd(cpr_walk_fd_cb cb) +{ + CprFd *elem; + + QLIST_FOREACH(elem, &cpr_state.fds, next) { + g_assert(elem->fd >=3D 0); + if (!cb(elem->fd)) { + return false; + } + } + return true; +} + /*************************************************************************/ static const VMStateDescription vmstate_cpr_state =3D { .name =3D CPR_STATE, --=20 1.8.3.1