From nobody Tue Feb 10 00:25:07 2026 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; 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 ARC-Seal: i=1; a=rsa-sha256; t=1602908341; cv=none; d=zohomail.com; s=zohoarc; b=bTUi3S6RDUnhfVrdloCYpmSJIj0uT7oe5a3LPYvOFECWAg10MvHe/KdylzEjRey6U59u/JM0YlRbzSH9L5V1ITGFs6rt/6zCZlcjEL3wC/IqB/A9LzXl+OYKYV3b0HDirKQR+SSEbbo9CYWyMBmp2mskAYKSgsOc5z/6tURfZCk= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1602908341; h=Content-Type:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To; bh=xAtShhL5Oz3MiNQ9kokAayag8XbJkWrgzPRIQR+aaZk=; b=iXVVtB/BoJvnX0bSL3v9RcvFBXARTEsInC1y3lo+HGlqFht2esUCIJCuLEg9Aju6ADYjcf5rGZdNZrW3XPFV6R6XUMrO4hAh5iYzZLjqlsFNR8TUt/ZBgQNpourqWoSWoKSnWYr/N0KONKGMwODPsLrctWfzsr8UU9K1Srp7TIo= ARC-Authentication-Results: i=1; mx.zohomail.com; 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 Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1602908341892670.2870183649566; Fri, 16 Oct 2020 21:19:01 -0700 (PDT) Received: from localhost ([::1]:53096 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kTdgK-0008Tk-Ln for importer@patchew.org; Sat, 17 Oct 2020 00:19:00 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:39936) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kTdXg-0005td-Ho for qemu-devel@nongnu.org; Sat, 17 Oct 2020 00:10:04 -0400 Received: from szxga05-in.huawei.com ([45.249.212.191]:5239 helo=huawei.com) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kTdXe-0007Gb-DE for qemu-devel@nongnu.org; Sat, 17 Oct 2020 00:10:04 -0400 Received: from DGGEMS414-HUB.china.huawei.com (unknown [172.30.72.58]) by Forcepoint Email with ESMTP id 7B63CD1119B5D6BEA59B; Sat, 17 Oct 2020 12:09:51 +0800 (CST) Received: from huawei.com (10.175.101.6) by DGGEMS414-HUB.china.huawei.com (10.3.19.214) with Microsoft SMTP Server id 14.3.487.0; Sat, 17 Oct 2020 12:09:41 +0800 From: Chuan Zheng To: , Subject: [PATCH v3 02/18] migration/rdma: judge whether or not the RDMA is used for migration Date: Sat, 17 Oct 2020 12:25:32 +0800 Message-ID: <1602908748-43335-3-git-send-email-zhengchuan@huawei.com> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1602908748-43335-1-git-send-email-zhengchuan@huawei.com> References: <1602908748-43335-1-git-send-email-zhengchuan@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.175.101.6] X-CFilter-Loop: Reflected 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=45.249.212.191; envelope-from=zhengchuan@huawei.com; helo=huawei.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/10/17 00:09:47 X-ACL-Warn: Detected OS = Linux 3.11 and newer [fuzzy] X-Spam_score_int: -41 X-Spam_score: -4.2 X-Spam_bar: ---- X-Spam_report: (-4.2 / 5.0 requ) BAYES_00=-1.9, RCVD_IN_DNSWL_MED=-2.3, RCVD_IN_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_PASS=-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: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: yubihong@huawei.com, zhang.zhanghailiang@huawei.com, fengzhimin1@huawei.com, qemu-devel@nongnu.org, xiexiangyou@huawei.com, alex.chen@huawei.com, wanghao232@huawei.com Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Add enabled_rdma_migration into MigrationState to judge whether or not the RDMA is used for migration. Signed-off-by: Zhimin Feng Signed-off-by: Chuan Zheng --- migration/migration.c | 13 +++++++++++++ migration/migration.h | 6 ++++++ 2 files changed, 19 insertions(+) diff --git a/migration/migration.c b/migration/migration.c index 64ae417..be6166a 100644 --- a/migration/migration.c +++ b/migration/migration.c @@ -389,7 +389,9 @@ void migrate_add_address(SocketAddress *address) void qemu_start_incoming_migration(const char *uri, Error **errp) { const char *p =3D NULL; + MigrationState *s =3D migrate_get_current(); =20 + s->enabled_rdma_migration =3D false; qapi_event_send_migration(MIGRATION_STATUS_SETUP); if (!strcmp(uri, "defer")) { deferred_incoming_migration(errp); @@ -399,6 +401,7 @@ void qemu_start_incoming_migration(const char *uri, Err= or **errp) socket_start_incoming_migration(p ? p : uri, errp); #ifdef CONFIG_RDMA } else if (strstart(uri, "rdma:", &p)) { + s->enabled_rdma_migration =3D true; rdma_start_incoming_migration(p, errp); #endif } else if (strstart(uri, "exec:", &p)) { @@ -1887,6 +1890,7 @@ void migrate_init(MigrationState *s) s->start_postcopy =3D false; s->postcopy_after_devices =3D false; s->migration_thread_running =3D false; + s->enabled_rdma_migration =3D false; error_free(s->error); s->error =3D NULL; s->hostname =3D NULL; @@ -2115,6 +2119,7 @@ void qmp_migrate(const char *uri, bool has_blk, bool = blk, socket_start_outgoing_migration(s, p ? p : uri, &local_err); #ifdef CONFIG_RDMA } else if (strstart(uri, "rdma:", &p)) { + s->enabled_rdma_migration =3D true; rdma_start_outgoing_migration(s, p, &local_err); #endif } else if (strstart(uri, "exec:", &p)) { @@ -2329,6 +2334,14 @@ bool migrate_use_events(void) return s->enabled_capabilities[MIGRATION_CAPABILITY_EVENTS]; } =20 +bool migrate_use_rdma(void) +{ + MigrationState *s; + s =3D migrate_get_current(); + + return s->enabled_rdma_migration; +} + bool migrate_use_rdma_pin_all(void) { MigrationState *s; diff --git a/migration/migration.h b/migration/migration.h index 74fd790..e92eb29 100644 --- a/migration/migration.h +++ b/migration/migration.h @@ -264,6 +264,11 @@ struct MigrationState * This save hostname when out-going migration starts */ char *hostname; + + /* + * Enable RDMA migration + */ + bool enabled_rdma_migration; }; =20 void migrate_set_state(int *state, int old_state, int new_state); @@ -300,6 +305,7 @@ bool migrate_ignore_shared(void); bool migrate_validate_uuid(void); =20 bool migrate_auto_converge(void); +bool migrate_use_rdma(void); bool migrate_use_rdma_pin_all(void); bool migrate_use_multifd(void); bool migrate_pause_before_switchover(void); --=20 1.8.3.1