From nobody Tue Feb 10 14:49:28 2026 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) client-ip=208.118.235.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Authentication-Results: mx.zohomail.com; spf=pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org Return-Path: Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) by mx.zohomail.com with SMTPS id 1507589932774842.8157213633874; Mon, 9 Oct 2017 15:58:52 -0700 (PDT) Received: from localhost ([::1]:60132 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1e1h0U-0006ix-4o for importer@patchew.org; Mon, 09 Oct 2017 18:58:42 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:54413) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1e1gyZ-0005Pr-Km for qemu-devel@nongnu.org; Mon, 09 Oct 2017 18:56:44 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1e1gyY-0004ov-9o for qemu-devel@nongnu.org; Mon, 09 Oct 2017 18:56:43 -0400 Received: from mx1.redhat.com ([209.132.183.28]:46632) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1e1gyY-0004oS-4N for qemu-devel@nongnu.org; Mon, 09 Oct 2017 18:56:42 -0400 Received: from smtp.corp.redhat.com (int-mx06.intmail.prod.int.phx2.redhat.com [10.5.11.16]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 20677C04AC71; Mon, 9 Oct 2017 22:56:41 +0000 (UTC) Received: from localhost (unknown [10.36.112.13]) by smtp.corp.redhat.com (Postfix) with ESMTP id A833A17525; Mon, 9 Oct 2017 22:56:40 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mx1.redhat.com 20677C04AC71 Authentication-Results: ext-mx07.extmail.prod.ext.phx2.redhat.com; dmarc=none (p=none dis=none) header.from=redhat.com Authentication-Results: ext-mx07.extmail.prod.ext.phx2.redhat.com; spf=fail smtp.mailfrom=marcandre.lureau@redhat.com From: =?UTF-8?q?Marc-Andr=C3=A9=20Lureau?= To: qemu-devel@nongnu.org Date: Tue, 10 Oct 2017 00:55:45 +0200 Message-Id: <20171009225623.29232-5-marcandre.lureau@redhat.com> In-Reply-To: <20171009225623.29232-1-marcandre.lureau@redhat.com> References: <20171009225623.29232-1-marcandre.lureau@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.16 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.31]); Mon, 09 Oct 2017 22:56:41 +0000 (UTC) Content-Transfer-Encoding: quoted-printable X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 209.132.183.28 Subject: [Qemu-devel] [PATCH 04/42] tpm: lookup tpm backend class in tpm_driver_find_by_type() X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: =?UTF-8?q?Marc-Andr=C3=A9=20Lureau?= , amarnath.valluri@intel.com, stefanb@linux.vnet.ibm.com Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail: RSF_0 Z_629925259 SPT_0 Content-Type: text/plain; charset="utf-8" One step towards removing TPMDriverOps and driver registration. Signed-off-by: Marc-Andr=C3=A9 Lureau Reviewed-by: Stefan Berger --- tpm.c | 29 +++++++++++++++++++++-------- 1 file changed, 21 insertions(+), 8 deletions(-) diff --git a/tpm.c b/tpm.c index bc7d7470a8..04de8da5fd 100644 --- a/tpm.c +++ b/tpm.c @@ -47,6 +47,24 @@ void tpm_register_driver(const TPMDriverOps *tdo) be_drivers[tdo->type] =3D tdo; } =20 +static const TPMDriverOps * +tpm_driver_find_by_type(enum TpmType type) +{ + ObjectClass *oc; + TPMBackendClass *bc; + char *typename =3D g_strdup_printf("tpm-%s", TpmType_str(type)); + + oc =3D object_class_by_name(typename); + g_free(typename); + + if (!object_class_dynamic_cast(oc, TYPE_TPM_BACKEND)) { + return NULL; + } + + bc =3D TPM_BACKEND_CLASS(oc); + return bc->ops; +} + /* * Walk the list of available TPM backend drivers and display them on the * screen. @@ -58,11 +76,11 @@ static void tpm_display_backend_drivers(void) fprintf(stderr, "Supported TPM types (choose only one):\n"); =20 for (i =3D 0; i < TPM_TYPE__MAX; i++) { - if (be_drivers[i] =3D=3D NULL) { + const TPMDriverOps *ops =3D tpm_driver_find_by_type(i); + if (!ops) { continue; } - fprintf(stderr, "%12s %s\n", - TpmType_str(i), be_drivers[i]->desc); + fprintf(stderr, "%12s %s\n", TpmType_str(i), ops->desc); } fprintf(stderr, "\n"); } @@ -196,11 +214,6 @@ int tpm_config_parse(QemuOptsList *opts_list, const ch= ar *optarg) =20 #endif /* CONFIG_TPM */ =20 -static const TPMDriverOps *tpm_driver_find_by_type(enum TpmType type) -{ - return be_drivers[type]; -} - /* * Walk the list of active TPM backends and collect information about them * following the schema description in qapi-schema.json. --=20 2.14.1.146.gd35faa819