From nobody Tue Feb 10 03:15:53 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=1602908858; cv=none; d=zohomail.com; s=zohoarc; b=mYuw9pPjo6Tihv1xVPDHjEZAdUuGOAVzfNAKkt+lsJ2dLfj8yhCrzRpY8GHWcZYLIc47rBbSL0qsHqlFVTjeK5PtcMuPNuGT2AEBmmvvB3soPfINtIzCYB6WbZZQyBXM097gLq+MJRohbzXTaV2eoNS/FF8QtNCHi658yAEstoA= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1602908858; 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=kWDDpcrrVeYXpDXagzLXCLhcodpmO1E6HO1JaDLZa/U=; b=V97U4RzkN19jvdCfYxbbWzg6jgAG3Bx1ume94RGYLXepT85aTKXYDa+op4mT/6GF5x4ogRvt3BZ9QWMhcw+jMLQMuDMunM5MVSmJ+w1EFgpyvLAifEeQZZuS2cdVrrGdmqG11xblfMKFPfHznh2LDFlpSeTsA6x6sKL836Iwe6Q= 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 1602908858939414.49450033249457; Fri, 16 Oct 2020 21:27:38 -0700 (PDT) Received: from localhost ([::1]:53138 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kTdof-0003U2-Qg for importer@patchew.org; Sat, 17 Oct 2020 00:27:37 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:40102) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kTdXy-0006JE-1G for qemu-devel@nongnu.org; Sat, 17 Oct 2020 00:10:23 -0400 Received: from szxga05-in.huawei.com ([45.249.212.191]:5247 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 1kTdXs-0007Iz-66 for qemu-devel@nongnu.org; Sat, 17 Oct 2020 00:10:21 -0400 Received: from DGGEMS414-HUB.china.huawei.com (unknown [172.30.72.59]) by Forcepoint Email with ESMTP id 8C29B7C90A39DFCFFA82; Sat, 17 Oct 2020 12:09:56 +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 12:09:50 +0800 From: Chuan Zheng To: , Subject: [PATCH v3 16/18] migration/rdma: add rdma_channel into Migrationstate field Date: Sat, 17 Oct 2020 12:25:46 +0800 Message-ID: <1602908748-43335-17-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" Multifd RDMA is need to poll when we send data, record it. Signed-off-by: Chuan Zheng --- migration/migration.c | 1 + migration/migration.h | 1 + migration/rdma.c | 14 ++++++++++++++ 3 files changed, 16 insertions(+) diff --git a/migration/migration.c b/migration/migration.c index 7061410..1ec1dc9 100644 --- a/migration/migration.c +++ b/migration/migration.c @@ -1892,6 +1892,7 @@ void migrate_init(MigrationState *s) s->migration_thread_running =3D false; s->enabled_rdma_migration =3D false; s->host_port =3D NULL; + s->rdma_channel =3D 0; error_free(s->error); s->error =3D NULL; s->hostname =3D NULL; diff --git a/migration/migration.h b/migration/migration.h index fea63de..5676b23 100644 --- a/migration/migration.h +++ b/migration/migration.h @@ -272,6 +272,7 @@ struct MigrationState =20 /* Need by Multi-RDMA */ char *host_port; + int rdma_channel; }; =20 void migrate_set_state(int *state, int old_state, int new_state); diff --git a/migration/rdma.c b/migration/rdma.c index d5d6364..327f80f 100644 --- a/migration/rdma.c +++ b/migration/rdma.c @@ -183,6 +183,20 @@ typedef struct { } RDMAWorkRequestData; =20 /* + * Get the multifd RDMA channel used to send data. + */ +static int get_multifd_RDMA_channel(void) +{ + int thread_count =3D migrate_multifd_channels(); + MigrationState *s =3D migrate_get_current(); + + s->rdma_channel++; + s->rdma_channel %=3D thread_count; + + return s->rdma_channel; +} + +/* * Negotiate RDMA capabilities during connection-setup time. */ typedef struct { --=20 1.8.3.1