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 X-Spam-Level: X-Spam-Status: No, score=-16.0 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 0E59BC433DB for ; Tue, 26 Jan 2021 07:09:49 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id 880B220DD4 for ; Tue, 26 Jan 2021 07:09:48 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 880B220DD4 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:40294 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1l4ITz-0005rY-3c for qemu-devel@archiver.kernel.org; Tue, 26 Jan 2021 02:09:47 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:48926) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1l4IOm-0001XD-IU for qemu-devel@nongnu.org; Tue, 26 Jan 2021 02:04:24 -0500 Received: from us-smtp-delivery-124.mimecast.com ([63.128.21.124]:45297) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_CBC_SHA1:256) (Exim 4.90_1) (envelope-from ) id 1l4IOh-0006DM-F9 for qemu-devel@nongnu.org; Tue, 26 Jan 2021 02:04:22 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1611644657; 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=ua2MJPKyhckrhznbF0TFlcdA8jGgaynNIN8wY0tzrgw=; b=aFnwmSO6foyWc0uKfbe2AcjyZVTxHV7Omzp3oPqamccPQrpJQEQqae0uOlEvkxynWHoBeI MzCNMkzeNWVqEvCcdrEmD9+j0TWAbsKDwuabNGQgVuLPIusBa1oyEcr9zVFk65PhYNas/x Ohk1ebPUJXcilkh1MQ51d6519MTS5gc= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-498-OIw5HKD1OhmFZwG7ZEizxg-1; Tue, 26 Jan 2021 02:04:16 -0500 X-MC-Unique: OIw5HKD1OhmFZwG7ZEizxg-1 Received: from smtp.corp.redhat.com (int-mx01.intmail.prod.int.phx2.redhat.com [10.5.11.11]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 77E1DE75F for ; Tue, 26 Jan 2021 07:04:15 +0000 (UTC) Received: from laptop.redhat.com (ovpn-12-115.pek2.redhat.com [10.72.12.115]) by smtp.corp.redhat.com (Postfix) with ESMTP id E6E4F70481; Tue, 26 Jan 2021 07:04:13 +0000 (UTC) From: Cindy Lu To: mst@redhat.com, jasowang@redhat.com, qemu-devel@nongnu.org Subject: [PATCH v2 4/5] virtio-mmio: add support for configure interrupt Date: Tue, 26 Jan 2021 15:03:50 +0800 Message-Id: <20210126070351.28575-5-lulu@redhat.com> In-Reply-To: <20210126070351.28575-1-lulu@redhat.com> References: <20210126070351.28575-1-lulu@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.11 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=lulu@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Transfer-Encoding: 8bit Content-Type: text/plain; charset="US-ASCII" Received-SPF: pass client-ip=63.128.21.124; envelope-from=lulu@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -30 X-Spam_score: -3.1 X-Spam_bar: --- X-Spam_report: (-3.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.255, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=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: lulu@redhat.com Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" add configure interrupt support for virtio-mmio bus. This interrupt will working while backend is vhost-vdpa Signed-off-by: Cindy Lu --- hw/virtio/virtio-mmio.c | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) diff --git a/hw/virtio/virtio-mmio.c b/hw/virtio/virtio-mmio.c index e1b5c3b81e..d580f1ea9a 100644 --- a/hw/virtio/virtio-mmio.c +++ b/hw/virtio/virtio-mmio.c @@ -666,6 +666,21 @@ assign_error: return r; } +static int virtio_mmio_set_config_notifier(DeviceState *d, bool assign) +{ + VirtIOMMIOProxy *proxy = VIRTIO_MMIO(d); + VirtIODevice *vdev = virtio_bus_get_device(&proxy->bus); + EventNotifier *notifier = virtio_get_config_notifier(vdev); + int r = 0; + if (assign) { + r = event_notifier_init(notifier, 0); + virtio_set_config_notifier_fd_handler(vdev, true, false); + } else { + virtio_set_config_notifier_fd_handler(vdev, false, false); + event_notifier_cleanup(notifier); + } + return r; +} static void virtio_mmio_pre_plugged(DeviceState *d, Error **errp) { VirtIOMMIOProxy *proxy = VIRTIO_MMIO(d); @@ -780,6 +795,7 @@ static void virtio_mmio_bus_class_init(ObjectClass *klass, void *data) k->ioeventfd_assign = virtio_mmio_ioeventfd_assign; k->pre_plugged = virtio_mmio_pre_plugged; k->has_variable_vring_alignment = true; + k->set_config_notifiers = virtio_mmio_set_config_notifier; bus_class->max_dev = 1; bus_class->get_dev_path = virtio_mmio_bus_get_dev_path; } -- 2.21.3