From patchwork Mon Jun 17 06:33:59 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?C=C3=A9dric_Le_Goater?= X-Patchwork-Id: 13700193 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 A7697C27C6E for ; Mon, 17 Jun 2024 06:36:03 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1sJ5x2-0002qV-Gl; Mon, 17 Jun 2024 02:34:55 -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 1sJ5ww-0002jY-Vk for qemu-devel@nongnu.org; Mon, 17 Jun 2024 02:34:42 -0400 Received: from us-smtp-delivery-124.mimecast.com ([170.10.133.124]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1sJ5wv-0004KC-6b for qemu-devel@nongnu.org; Mon, 17 Jun 2024 02:34:42 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1718606080; 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=SxBBxeJeudO5o7UCaLA79AA73tYUzfiHZhtr8afqX+w=; b=IwLly8sS7zOp1EVQuXipMjPEVc+bbX5Qi0Ca1f0ZSY3f3VeR7r6lBdVTT4ikIozIvNCtOg qO36yOKnNDuqMEITfJc6ukSMMDrQJCghX56n9q1va3v6Mr+nexnH2SaFhPhqTvFPWvzzyT mfyOTgEm5z0EohWVTwa4BQGJZSbCijI= Received: from mx-prod-mc-02.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-504-DXIwtpXAPxiCLbP0PrM-_g-1; Mon, 17 Jun 2024 02:34:37 -0400 X-MC-Unique: DXIwtpXAPxiCLbP0PrM-_g-1 Received: from mx-prod-int-01.mail-002.prod.us-west-2.aws.redhat.com (mx-prod-int-01.mail-002.prod.us-west-2.aws.redhat.com [10.30.177.4]) (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-02.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id D4746195AF05; Mon, 17 Jun 2024 06:34:32 +0000 (UTC) Received: from corto.redhat.com (unknown [10.39.192.49]) by mx-prod-int-01.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTP id 8161F3000218; Mon, 17 Jun 2024 06:34:30 +0000 (UTC) From: =?utf-8?q?C=C3=A9dric_Le_Goater?= To: qemu-devel@nongnu.org Cc: Eric Auger , Zhenzhong Duan , Alex Williamson , =?utf-8?q?C=C3=A9dric_Le_Goat?= =?utf-8?q?er?= Subject: [PATCH v2 07/17] vfio/container: Modify vfio_get_iommu_type() to use a container fd Date: Mon, 17 Jun 2024 08:33:59 +0200 Message-ID: <20240617063409.34393-8-clg@redhat.com> In-Reply-To: <20240617063409.34393-1-clg@redhat.com> References: <20240617063409.34393-1-clg@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 3.4.1 on 10.30.177.4 Received-SPF: pass client-ip=170.10.133.124; envelope-from=clg@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: 11 X-Spam_score: 1.1 X-Spam_bar: + X-Spam_report: (1.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.148, 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_H4=-0.01, RCVD_IN_MSPIKE_WL=-0.01, RCVD_IN_SBL_CSS=3.335, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=no 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 The 'container' pointer has no other use than its 'fd' attribute. Simplify the prototype to ease future changes. Signed-off-by: Cédric Le Goater Reviewed-by: Zhenzhong Duan Reviewed-by: Eric Auger --- hw/vfio/container.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/hw/vfio/container.c b/hw/vfio/container.c index dc85a79cb9e62b72312f79da994c53608b6cef48..589f37bc6d68dae18f9e46371f14d6952b2240c0 100644 --- a/hw/vfio/container.c +++ b/hw/vfio/container.c @@ -354,7 +354,7 @@ static void vfio_kvm_device_del_group(VFIOGroup *group) /* * vfio_get_iommu_type - selects the richest iommu_type (v2 first) */ -static int vfio_get_iommu_type(VFIOContainer *container, +static int vfio_get_iommu_type(int container_fd, Error **errp) { int iommu_types[] = { VFIO_TYPE1v2_IOMMU, VFIO_TYPE1_IOMMU, @@ -362,7 +362,7 @@ static int vfio_get_iommu_type(VFIOContainer *container, int i; for (i = 0; i < ARRAY_SIZE(iommu_types); i++) { - if (ioctl(container->fd, VFIO_CHECK_EXTENSION, iommu_types[i])) { + if (ioctl(container_fd, VFIO_CHECK_EXTENSION, iommu_types[i])) { return iommu_types[i]; } } @@ -399,7 +399,7 @@ static bool vfio_set_iommu(VFIOContainer *container, int group_fd, int iommu_type; const VFIOIOMMUClass *vioc; - iommu_type = vfio_get_iommu_type(container, errp); + iommu_type = vfio_get_iommu_type(container->fd, errp); if (iommu_type < 0) { return false; }