From nobody Tue Feb 10 07:42:07 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=1612338992; cv=none; d=zohomail.com; s=zohoarc; b=caIuQYcmvGxhWV+dyEGTRV+jO6SKfoQxLzFWK2xNKqGJ/jTYObP0pUWJxWEKf6c4lDZ9dTytFR9/OV4iANUZbMtMB0VBoouLNbD70M+sk2BnOV1IO8GDotl9Gu3G32cjvbgPjw9cU9gios3wq1iSMuTz1S87LjGMUs5W5KoKdbc= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1612338992; 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=AUJk7ZFpadXm0sssPFQ33Ozdefft+AEkpWILsca77Gs=; b=PJ2OZyIQI6bvicoe4UZqif0gWlacyesbPhbyd34IgC4WlSGWJoWCN6JL86TkmfehjxPRVhdUVUO+Km/zOvcyAj0CxERT6NbtbwIYhoEUeto4VX4YmPoMfjdkIur6rUGpvq5MZXtZIFOEZ47Jxlh4UUXou2EP1IrXkaMyHjOe1MI= 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 1612338992707445.6091268664421; Tue, 2 Feb 2021 23:56:32 -0800 (PST) Received: from localhost ([::1]:34874 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1l7D1b-0001kZ-Ev for importer@patchew.org; Wed, 03 Feb 2021 02:56:31 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:34358) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1l7Cpn-0003FL-6P for qemu-devel@nongnu.org; Wed, 03 Feb 2021 02:44:19 -0500 Received: from szxga05-in.huawei.com ([45.249.212.191]:3478) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1l7Cpk-0008N7-7a for qemu-devel@nongnu.org; Wed, 03 Feb 2021 02:44:18 -0500 Received: from DGGEMS411-HUB.china.huawei.com (unknown [172.30.72.58]) by szxga05-in.huawei.com (SkyGuard) with ESMTP id 4DVtv108PJzjJgW; Wed, 3 Feb 2021 15:42:37 +0800 (CST) Received: from huawei.com (10.175.101.6) by DGGEMS411-HUB.china.huawei.com (10.3.19.211) with Microsoft SMTP Server id 14.3.498.0; Wed, 3 Feb 2021 15:43:45 +0800 From: Chuan Zheng To: , , Subject: [PATCH v4 16/18] migration/rdma: add rdma_channel into Migrationstate field Date: Wed, 3 Feb 2021 16:01:49 +0800 Message-ID: <1612339311-114805-17-git-send-email-zhengchuan@huawei.com> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1612339311-114805-1-git-send-email-zhengchuan@huawei.com> References: <1612339311-114805-1-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=szxga05-in.huawei.com 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_H2=-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: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: yubihong@huawei.com, zhang.zhanghailiang@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 b8f4844..47bd11d 100644 --- a/migration/migration.c +++ b/migration/migration.c @@ -1926,6 +1926,7 @@ 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 537ee09..5ff46e6 100644 --- a/migration/migration.h +++ b/migration/migration.h @@ -288,6 +288,7 @@ 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 f5eb563..2097839 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