From patchwork Mon Jun 24 21:24:23 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: 1951780 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; dkim=pass (1024-bit key; unprotected) header.d=redhat.com header.i=@redhat.com header.a=rsa-sha256 header.s=mimecast20190719 header.b=jOi4XB/1; dkim-atps=neutral Authentication-Results: legolas.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org (client-ip=209.51.188.17; helo=lists.gnu.org; envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org; receiver=patchwork.ozlabs.org) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-ECDSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by legolas.ozlabs.org (Postfix) with ESMTPS id 4W7LdK6ZJjz20X6 for ; Tue, 25 Jun 2024 07:27:01 +1000 (AEST) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1sLrBt-0002pt-GM; Mon, 24 Jun 2024 17:25:33 -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 1sLrBs-0002o2-A0 for qemu-devel@nongnu.org; Mon, 24 Jun 2024 17:25:32 -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 1sLrBq-0006eL-Pw for qemu-devel@nongnu.org; Mon, 24 Jun 2024 17:25:32 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1719264330; 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=P5gRKfyarSbQQlOjJHcYjkSg6+cVdEEyGNplihrWZYw=; b=jOi4XB/1/+JWI0DzFo/TeU8r/548QtUZj4gcdSGy1YbhsjmOp8dYlylAqgVcPMf+VvICjz Us/hCk3Xb44A8ssVEbq3WbUVXTvSqMxlINCwQdC0jLMVzGgHvNbrdcdnosmKrYxD5pFGb7 qx2OLqCKSEuQMXoPhr9d6qgBRFmpta8= Received: from mx-prod-mc-04.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-375-ay1LWYQfP3OcFAL689q3dA-1; Mon, 24 Jun 2024 17:25:26 -0400 X-MC-Unique: ay1LWYQfP3OcFAL689q3dA-1 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-04.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id AEEAA19560B5; Mon, 24 Jun 2024 21:25:25 +0000 (UTC) Received: from corto.redhat.com (unknown [10.39.192.49]) by mx-prod-int-05.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTP id 749061956051; Mon, 24 Jun 2024 21:25:23 +0000 (UTC) From: =?utf-8?q?C=C3=A9dric_Le_Goater?= To: qemu-devel@nongnu.org Cc: Alex Williamson , Zhenzhong Duan , =?utf-8?q?C=C3=A9dric_Le_Goater?= , Eric Auger , "Michael S . Tsirkin" Subject: [PULL 09/42] vfio/container: Implement HostIOMMUDeviceClass::get_cap() handler Date: Mon, 24 Jun 2024 23:24:23 +0200 Message-ID: <20240624212456.350919-10-clg@redhat.com> In-Reply-To: <20240624212456.350919-1-clg@redhat.com> References: <20240624212456.350919-1-clg@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 3.0 on 10.30.177.17 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: 10 X-Spam_score: 1.0 X-Spam_bar: + X-Spam_report: (1.0 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.207, 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=0.001, RCVD_IN_MSPIKE_WL=0.001, RCVD_IN_SBL_CSS=3.335, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 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+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org From: Zhenzhong Duan Suggested-by: Cédric Le Goater Signed-off-by: Zhenzhong Duan Reviewed-by: Eric Auger Reviewed-by: Michael S. Tsirkin --- hw/vfio/container.c | 15 +++++++++++++++ 1 file changed, 15 insertions(+) diff --git a/hw/vfio/container.c b/hw/vfio/container.c index 2f62c13214412618b412240b61efcbe1b1c79ed5..99beeba422ebfe49caed4fcd57afe5514dea8b39 100644 --- a/hw/vfio/container.c +++ b/hw/vfio/container.c @@ -1147,11 +1147,26 @@ static bool hiod_legacy_vfio_realize(HostIOMMUDevice *hiod, void *opaque, return true; } +static int hiod_legacy_vfio_get_cap(HostIOMMUDevice *hiod, int cap, + Error **errp) +{ + HostIOMMUDeviceCaps *caps = &hiod->caps; + + switch (cap) { + case HOST_IOMMU_DEVICE_CAP_AW_BITS: + return caps->aw_bits; + default: + error_setg(errp, "%s: unsupported capability %x", hiod->name, cap); + return -EINVAL; + } +} + static void hiod_legacy_vfio_class_init(ObjectClass *oc, void *data) { HostIOMMUDeviceClass *hioc = HOST_IOMMU_DEVICE_CLASS(oc); hioc->realize = hiod_legacy_vfio_realize; + hioc->get_cap = hiod_legacy_vfio_get_cap; }; static const TypeInfo types[] = {