From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from mails.dpdk.org (mails.dpdk.org [217.70.189.124]) by smtp.lore.kernel.org (Postfix) with ESMTP id BCA04C43458 for ; Tue, 7 Jul 2026 12:46:24 +0000 (UTC) Received: from mails.dpdk.org (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id E28C8409FA; Tue, 7 Jul 2026 14:45:52 +0200 (CEST) Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.133.124]) by mails.dpdk.org (Postfix) with ESMTP id 2765340A87 for ; Tue, 7 Jul 2026 14:45:51 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1783428350; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=9A4MOt2o+F03Gn1K9t7ud4oCpW1CHIqQz+wP4SDtS2A=; b=CWDSF+fjKHa7sgJ1Vu72z94LMHOrYJ/MJBCpNSgXYDeW0Ke3x5uiwab65WM4qWnTFgsaSS h3bH2VO7aBLx8aun6Wzv7EBKxA4HDnoSBLhQJ5C114M1mwBD04x2DAjuG4Kk0lRFpXjrTU HSW0xZgKY23Vj2ls7pV6ght8exWyH14= Received: from mx-prod-mc-06.mail-002.prod.us-west-2.aws.redhat.com (ec2-35-165-154-97.us-west-2.compute.amazonaws.com [35.165.154.97]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-632-Oyus5YNGPSa6_OD_7kCqBQ-1; Tue, 07 Jul 2026 08:45:47 -0400 X-MC-Unique: Oyus5YNGPSa6_OD_7kCqBQ-1 X-Mimecast-MFC-AGG-ID: Oyus5YNGPSa6_OD_7kCqBQ_1783428346 Received: from mx-prod-int-06.mail-002.prod.us-west-2.aws.redhat.com (mx-prod-int-06.mail-002.prod.us-west-2.aws.redhat.com [10.30.177.93]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mx-prod-mc-06.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id 7861C180130E; Tue, 7 Jul 2026 12:45:46 +0000 (UTC) Received: from fedora.redhat.com (unknown [10.44.48.55]) by mx-prod-int-06.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTP id D279218005B5; Tue, 7 Jul 2026 12:45:43 +0000 (UTC) From: =?UTF-8?q?Eugenio=20P=C3=A9rez?= To: Maxime Coquelin Cc: Yongji Xie , david.marchand@redhat.com, dev@dpdk.org, mst@redhat.com, jasowangio@gmail.com, chenbox@nvidia.com Subject: [RFC v4 11/11] doc: add release notes for VDUSE live migration support Date: Tue, 7 Jul 2026 14:45:07 +0200 Message-ID: <20260707124507.251729-12-eperezma@redhat.com> In-Reply-To: <20260707124507.251729-1-eperezma@redhat.com> References: <20260707124507.251729-1-eperezma@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 3.4.1 on 10.30.177.93 X-Mimecast-Spam-Score: 0 X-Mimecast-MFC-PROC-ID: h66OyovAaYe1fefzi0RKjk4y_5qBnEtePKVe-m7PALA_1783428346 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Document the new VDUSE API version 1 features added to support live migration: - Address Space ID (ASID) support - Virtqueue groups - Queue ready feature (VDUSE_F_QUEUE_READY) - Suspend feature (VDUSE_F_SUSPEND) - Link status support (VIRTIO_NET_F_STATUS) Signed-off-by: Eugenio Pérez --- doc/guides/rel_notes/release_26_07.rst | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) diff --git a/doc/guides/rel_notes/release_26_07.rst b/doc/guides/rel_notes/release_26_07.rst index 6352ef27ab05..22c4da3efed6 100644 --- a/doc/guides/rel_notes/release_26_07.rst +++ b/doc/guides/rel_notes/release_26_07.rst @@ -131,6 +131,23 @@ New Features to support adding and removing memory regions without resetting the whole guest memory map. +* **Added VDUSE API version 1 support in vhost library.** + + Updated VDUSE (vDPA Device in Userspace) support with API version 1 features + to enable live migration: + + * Added Address Space ID (ASID) support for multiple independent address spaces + per device, enabling better isolation and support for virtqueue groups. + * Added virtqueue group support to assign different virtqueues to separate + address spaces (e.g., control queue vs data queues). + * Added ``VDUSE_F_QUEUE_READY`` feature for explicit dataplane queue + readiness signaling, ensuring proper device initialization ordering + during live migration. + * Added ``VDUSE_F_SUSPEND`` feature to reliably suspend virtqueue processing + and fetch virtqueue state during live migration. + * Added ``VIRTIO_NET_F_STATUS`` support for link status reporting and + gratuitous ARP signaling in VDUSE network devices. + * **Added LinkData sxe2 ethernet driver.** Added network driver for the LinkData network adapters. -- 2.55.0