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 7A6E3C5AE59 for ; Thu, 5 Jun 2025 08:45:41 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1uN6Bv-0006aI-Sa; Thu, 05 Jun 2025 04:43:15 -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 1uN6Bq-0006YL-Pv for qemu-devel@nongnu.org; Thu, 05 Jun 2025 04:43:11 -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 1uN6Bn-0008Es-RH for qemu-devel@nongnu.org; Thu, 05 Jun 2025 04:43:09 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1749112987; 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=H4Wdr37b3J8t6NXfTIrly27lZXfIDpYC3kV5BPKN79s=; b=euTaKEqcVvmDjHrMui/Zwm5SqvVIB4Y2qyVb0lB3epavgIwK2UAZr2oBKDrJvBvo6wBTwu MXlDmjc5ea7xwMLYiZwjlPpHvsDEjok7trKMDS21peaztkkoL40xUIsnwEmcsQAWqSD5dz GVHUPzlcsD7aVa7250xw+57CQJndatk= 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-673-jQeqZMBkPm-ywixcbcg7lg-1; Thu, 05 Jun 2025 04:43:03 -0400 X-MC-Unique: jQeqZMBkPm-ywixcbcg7lg-1 X-Mimecast-MFC-AGG-ID: jQeqZMBkPm-ywixcbcg7lg_1749112982 Received: from mx-prod-int-04.mail-002.prod.us-west-2.aws.redhat.com (mx-prod-int-04.mail-002.prod.us-west-2.aws.redhat.com [10.30.177.40]) (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 C0F5E18002B2; Thu, 5 Jun 2025 08:43:02 +0000 (UTC) Received: from corto.redhat.com (unknown [10.45.224.77]) by mx-prod-int-04.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTP id C71A71954B33; Thu, 5 Jun 2025 08:43:00 +0000 (UTC) From: =?UTF-8?q?C=C3=A9dric=20Le=20Goater?= To: qemu-devel@nongnu.org Cc: Alex Williamson , John Levon , =?UTF-8?q?C=C3=A9dric=20Le=20Goater?= Subject: [PULL 05/16] vfio: refactor out IRQ signalling setup Date: Thu, 5 Jun 2025 10:42:34 +0200 Message-ID: <20250605084245.1520562-6-clg@redhat.com> In-Reply-To: <20250605084245.1520562-1-clg@redhat.com> References: <20250605084245.1520562-1-clg@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Scanned-By: MIMEDefang 3.0 on 10.30.177.40 Received-SPF: pass client-ip=170.10.129.124; envelope-from=clg@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -21 X-Spam_score: -2.2 X-Spam_bar: -- X-Spam_report: (-2.2 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.128, 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_H5=0.001, RCVD_IN_MSPIKE_WL=0.001, RCVD_IN_VALIDITY_CERTIFIED_BLOCKED=0.001, RCVD_IN_VALIDITY_RPBL_BLOCKED=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: 2.1.29 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 From: John Levon This makes for a slightly more readable vfio_msix_vector_do_use() implementation, and we will rely on this shortly. Signed-off-by: John Levon Reviewed-by: Cédric Le Goater Link: https://lore.kernel.org/qemu-devel/20250520150419.2172078-5-john.levon@nutanix.com Signed-off-by: Cédric Le Goater --- hw/vfio/pci.c | 35 ++++++++++++++++++++--------------- 1 file changed, 20 insertions(+), 15 deletions(-) diff --git a/hw/vfio/pci.c b/hw/vfio/pci.c index a873f82aeb355cfef68033e43b4829f64145d606..b1250d85bf0124a22e3ba3859a47d2b176ade648 100644 --- a/hw/vfio/pci.c +++ b/hw/vfio/pci.c @@ -511,6 +511,25 @@ static void vfio_update_kvm_msi_virq(VFIOMSIVector *vector, MSIMessage msg, kvm_irqchip_commit_routes(kvm_state); } +static void set_irq_signalling(VFIODevice *vbasedev, VFIOMSIVector *vector, + unsigned int nr) +{ + Error *err = NULL; + int32_t fd; + + if (vector->virq >= 0) { + fd = event_notifier_get_fd(&vector->kvm_interrupt); + } else { + fd = event_notifier_get_fd(&vector->interrupt); + } + + if (!vfio_device_irq_set_signaling(vbasedev, VFIO_PCI_MSIX_IRQ_INDEX, nr, + VFIO_IRQ_SET_ACTION_TRIGGER, + fd, &err)) { + error_reportf_err(err, VFIO_MSG_PREFIX, vbasedev->name); + } +} + static int vfio_msix_vector_do_use(PCIDevice *pdev, unsigned int nr, MSIMessage *msg, IOHandler *handler) { @@ -583,21 +602,7 @@ static int vfio_msix_vector_do_use(PCIDevice *pdev, unsigned int nr, strerror(-ret)); } } else { - Error *err = NULL; - int32_t fd; - - if (vector->virq >= 0) { - fd = event_notifier_get_fd(&vector->kvm_interrupt); - } else { - fd = event_notifier_get_fd(&vector->interrupt); - } - - if (!vfio_device_irq_set_signaling(&vdev->vbasedev, - VFIO_PCI_MSIX_IRQ_INDEX, nr, - VFIO_IRQ_SET_ACTION_TRIGGER, fd, - &err)) { - error_reportf_err(err, VFIO_MSG_PREFIX, vdev->vbasedev.name); - } + set_irq_signalling(&vdev->vbasedev, vector, nr); } } -- 2.49.0