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 lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 4678FCCA476 for ; Tue, 7 Oct 2025 18:35:45 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1v6CX0-0005ol-VF; Tue, 07 Oct 2025 14:35:31 -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 1v6CWb-0005hw-4k for qemu-devel@nongnu.org; Tue, 07 Oct 2025 14:35:01 -0400 Received: from us-smtp-delivery-124.mimecast.com ([170.10.129.124]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1v6CWY-0002dc-VO for qemu-devel@nongnu.org; Tue, 07 Oct 2025 14:35:00 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1759862095; 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; bh=S+U2QfjDHoXuABle3/Y3u3i88L2UNZHX3ycNwJPwHSk=; b=G9ftvjUq3wacSurnmCTeb8rGzZC2DGkPHnNBNV2pmwEAQKYPl00+92gyVRXJ7rmW5qVcl8 1o+kAKTPlAzVQnxTY2MizdIqwuHLSYgdzy5PMt7wcO1hZdZH1Ctd1wnwrb8evmumWF2xQ5 rfK+3Jd5lF63Ujj5Nh44iVorgfOvckQ= Received: from mx-prod-mc-03.mail-002.prod.us-west-2.aws.redhat.com (ec2-54-186-198-63.us-west-2.compute.amazonaws.com [54.186.198.63]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-265-SKYt25LdMQKHiKUHI4ObTw-1; Tue, 07 Oct 2025 14:34:52 -0400 X-MC-Unique: SKYt25LdMQKHiKUHI4ObTw-1 X-Mimecast-MFC-AGG-ID: SKYt25LdMQKHiKUHI4ObTw_1759862091 Received: from mx-prod-int-05.mail-002.prod.us-west-2.aws.redhat.com (mx-prod-int-05.mail-002.prod.us-west-2.aws.redhat.com [10.30.177.17]) (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-03.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id 14E79195605C; Tue, 7 Oct 2025 18:34:51 +0000 (UTC) Received: from localhost (unknown [10.2.16.87]) by mx-prod-int-05.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTP id A6CBA1956056; Tue, 7 Oct 2025 18:34:48 +0000 (UTC) From: Stefan Hajnoczi To: qemu-devel@nongnu.org Cc: Kevin Wolf , Eric Blake , qemu-block@nongnu.org, Hanna Reitz , Stefan Hajnoczi Subject: [PATCH v2 0/5] block: update inserted/removed nodes from BlockRAMRegistrar Date: Tue, 7 Oct 2025 14:34:42 -0400 Message-ID: <20251007183447.93120-1-stefanha@redhat.com> Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Scanned-By: MIMEDefang 3.0 on 10.30.177.17 Received-SPF: pass client-ip=170.10.129.124; envelope-from=stefanha@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -24 X-Spam_score: -2.5 X-Spam_bar: -- X-Spam_report: (-2.5 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.422, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H3=0.001, RCVD_IN_MSPIKE_WL=0.001, RCVD_IN_VALIDITY_CERTIFIED_BLOCKED=0.001, RCVD_IN_VALIDITY_RPBL_BLOCKED=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: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org v2: - Add a tests/functional test case [Kevin] This patch series fixes a bug in BlockRAMRegistrar: it currently doesn't react to block graph changes and newly inserted nodes lack RAMBlock information needed to map I/O buffers. This is important for vdpa-blk devices because they rely on the ability to map I/O buffers. Stefan Hajnoczi (5): block: add BdrvChildClass->propagate_attach/detach() callbacks block: add blk_add_attach/detach_notifier() APIs block: rename RAMBlockRegistrar->notifier field block: update inserted/removed nodes from BlockRAMRegistrar tests/functional: add vdpa-blk blockdev-mirror test include/block/block_int-common.h | 11 ++ include/system/block-backend-global-state.h | 9 + include/system/block-ram-registrar.h | 4 +- block.c | 56 ++++-- block/block-backend.c | 44 +++++ block/block-ram-registrar.c | 73 +++++++- tests/unit/test-block-backend.c | 164 ++++++++++++++++++ tests/functional/x86_64/meson.build | 1 + .../functional/x86_64/test_vdpa_blk_mirror.py | 118 +++++++++++++ 9 files changed, 461 insertions(+), 19 deletions(-) create mode 100755 tests/functional/x86_64/test_vdpa_blk_mirror.py -- 2.51.0