From patchwork Fri May 6 13:25:09 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Eric Auger X-Patchwork-Id: 12841126 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 7CC7BC433FE for ; Fri, 6 May 2022 13:27:40 +0000 (UTC) Received: from localhost ([::1]:50224 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1nmxzf-0006MK-8J for qemu-devel@archiver.kernel.org; Fri, 06 May 2022 09:27:39 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:57656) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1nmxxU-0004oV-HW for qemu-devel@nongnu.org; Fri, 06 May 2022 09:25:24 -0400 Received: from us-smtp-delivery-74.mimecast.com ([170.10.133.74]:56328) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1nmxxR-0001Xs-Am for qemu-devel@nongnu.org; Fri, 06 May 2022 09:25:23 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1651843520; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=rZ+mtQ/yxeOqRCkBzqGUVFxvyihd4uT2Lefl+rkpUx0=; b=HxcySoe2pWG11ApT3HbNs3etAQ/XrvgSwB3V1b9a2oMJCBsW6Z9MKdb4CaXRifP9jD7dsX G8Nt0E1v2IK8YA0IghgBwh+V6+GyC466vuYPXG8rfFwLEQrTGvtwYOboCjOXvuGZgoS4sT wc0FUsBEFmvQbWxeH0ejlP3t6tex6Ms= Received: from mimecast-mx02.redhat.com (mx3-rdu2.redhat.com [66.187.233.73]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-570-h4xLOiqOOd2ZSOpOoc294Q-1; Fri, 06 May 2022 09:25:19 -0400 X-MC-Unique: h4xLOiqOOd2ZSOpOoc294Q-1 Received: from smtp.corp.redhat.com (int-mx10.intmail.prod.int.rdu2.redhat.com [10.11.54.10]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id E6F5A2999B50; Fri, 6 May 2022 13:25:18 +0000 (UTC) Received: from laptop.redhat.com (unknown [10.39.193.254]) by smtp.corp.redhat.com (Postfix) with ESMTP id 84DDC403156; Fri, 6 May 2022 13:25:17 +0000 (UTC) From: Eric Auger To: eric.auger.pro@gmail.com, eric.auger@redhat.com, qemu-devel@nongnu.org, alex.williamson@redhat.com Cc: stefanb@linux.vnet.ibm.com, cohuck@redhat.com, f4bug@amsat.org Subject: [PATCH v5 1/2] sysemu: tpm: Add a stub function for TPM_IS_CRB Date: Fri, 6 May 2022 15:25:09 +0200 Message-Id: <20220506132510.1847942-2-eric.auger@redhat.com> In-Reply-To: <20220506132510.1847942-1-eric.auger@redhat.com> References: <20220506132510.1847942-1-eric.auger@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.85 on 10.11.54.10 Received-SPF: pass client-ip=170.10.133.74; envelope-from=eric.auger@redhat.com; helo=us-smtp-delivery-74.mimecast.com X-Spam_score_int: -28 X-Spam_score: -2.9 X-Spam_bar: -- X-Spam_report: (-2.9 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.082, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_LOW=-0.7, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 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" In a subsequent patch, VFIO will need to recognize if a memory region owner is a TPM CRB device. Hence VFIO needs to use TPM_IS_CRB() even if CONFIG_TPM is unset. So let's add a stub function. Signed-off-by: Eric Auger Suggested-by: Cornelia Huck Reviewed-by: Stefan Berger --- include/sysemu/tpm.h | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/include/sysemu/tpm.h b/include/sysemu/tpm.h index 68b2206463c..fb40e30ff60 100644 --- a/include/sysemu/tpm.h +++ b/include/sysemu/tpm.h @@ -80,6 +80,12 @@ static inline TPMVersion tpm_get_version(TPMIf *ti) #define tpm_init() (0) #define tpm_cleanup() +/* needed for an alignment check in non-tpm code */ +static inline Object *TPM_IS_CRB(Object *obj) +{ + return NULL; +} + #endif /* CONFIG_TPM */ #endif /* QEMU_TPM_H */