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 X-Spam-Level: X-Spam-Status: No, score=-3.8 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,UNWANTED_LANGUAGE_BODY autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id BBD73C352A3 for ; Mon, 10 Feb 2020 13:17:29 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id 87D842070A for ; Mon, 10 Feb 2020 13:17:29 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="ZYfEpvh6" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 87D842070A Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:33460 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1j18wK-0005qp-LG for qemu-devel@archiver.kernel.org; Mon, 10 Feb 2020 08:17:28 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:46029) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1j18uv-0004Ac-U7 for qemu-devel@nongnu.org; Mon, 10 Feb 2020 08:16:03 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1j18uu-0007On-Lo for qemu-devel@nongnu.org; Mon, 10 Feb 2020 08:16:01 -0500 Received: from us-smtp-delivery-1.mimecast.com ([207.211.31.120]:53403 helo=us-smtp-1.mimecast.com) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1j18uu-0007OG-Hf for qemu-devel@nongnu.org; Mon, 10 Feb 2020 08:16:00 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1581340560; 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=dh/lSWBqXBxbybD/o6JKzrOm4+bjnhpVXPdo7sUTQ8I=; b=ZYfEpvh6a9iIJ3yqzoTND9n5SKMjsBV1HvvLHDGIvTCHliXp9nxpBodTJq1mCleB56bVjc D0ja1oQECVRWlTX0C5sjKs1VWSliCLG966QEfxfC3oGLzf3MgfOoEk80+3PEWgXu1WsBPv oz3yKfXdDCQtm7+VZNxdZyN+6XbvD/E= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-379-7xB0NNApNLGiCcRMz9TNAw-1; Mon, 10 Feb 2020 08:15:58 -0500 Received: from smtp.corp.redhat.com (int-mx08.intmail.prod.int.phx2.redhat.com [10.5.11.23]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 50925800D5C; Mon, 10 Feb 2020 13:15:57 +0000 (UTC) Received: from laptop.redhat.com (ovpn-116-37.ams2.redhat.com [10.36.116.37]) by smtp.corp.redhat.com (Postfix) with ESMTP id C97AB2656C; Mon, 10 Feb 2020 13:15:52 +0000 (UTC) From: Eric Auger To: eric.auger.pro@gmail.com, eric.auger@redhat.com, stefanb@linux.ibm.com, qemu-devel@nongnu.org, qemu-arm@nongnu.org, peter.maydell@linaro.org Subject: [RFC 2/2] hw/arm/virt: vTPM support Date: Mon, 10 Feb 2020 14:15:23 +0100 Message-Id: <20200210131523.27540-3-eric.auger@redhat.com> In-Reply-To: <20200210131523.27540-1-eric.auger@redhat.com> References: <20200210131523.27540-1-eric.auger@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.84 on 10.5.11.23 X-MC-Unique: 7xB0NNApNLGiCcRMz9TNAw-1 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset=US-ASCII 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: 207.211.31.120 X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: marcandre.lureau@redhat.com, lersek@redhat.com, ardb@kernel.org, philmd@redhat.com Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Let the TPM TIS device be dynamically instantiable in ARM virt. A device tree node is dynamically created (TPM via MMIO). The TPM Physical Presence interface (PPI) is not supported. To run with the swtmp TPM emulator, the qemu command line must be augmented with: -chardev socket,id=3Dchrtpm,path=3Dswtpm-sock \ -tpmdev emulator,id=3Dtpm0,chardev=3Dchrtpm \ -device tpm-tis,tpmdev=3Dtpm0 \ swtpm/libtpms command line example: swtpm socket --tpm2 -t -d --tpmstate dir=3D/tmp/tpm \ --ctrl type=3Dunixio,path=3Dswtpm-sock Signed-off-by: Eric Auger --- hw/arm/Kconfig | 1 + hw/arm/sysbus-fdt.c | 36 ++++++++++++++++++++++++++++++++++++ hw/arm/virt.c | 7 +++++++ 3 files changed, 44 insertions(+) diff --git a/hw/arm/Kconfig b/hw/arm/Kconfig index 3d86691ae0..ce0852f148 100644 --- a/hw/arm/Kconfig +++ b/hw/arm/Kconfig @@ -5,6 +5,7 @@ config ARM_VIRT imply VFIO_AMD_XGBE imply VFIO_PLATFORM imply VFIO_XGMAC + imply TPM_TIS select A15MPCORE select ACPI select ARM_SMMUV3 diff --git a/hw/arm/sysbus-fdt.c b/hw/arm/sysbus-fdt.c index 022fc97ecd..d723fad6ba 100644 --- a/hw/arm/sysbus-fdt.c +++ b/hw/arm/sysbus-fdt.c @@ -30,6 +30,7 @@ #include "hw/arm/sysbus-fdt.h" #include "qemu/error-report.h" #include "sysemu/device_tree.h" +#include "sysemu/tpm.h" #include "hw/platform-bus.h" #include "hw/vfio/vfio-platform.h" #include "hw/vfio/vfio-calxeda-xgmac.h" @@ -434,6 +435,40 @@ static bool vfio_platform_match(SysBusDevice *sbdev, #define VFIO_PLATFORM_BINDING(compat, add_fn) \ {TYPE_VFIO_PLATFORM, (compat), (add_fn), vfio_platform_match} =20 +/* + * add_tpm_tis_fdt_node: Create a DT node for TPM TIS + * + * See kernel documentation: + * Documentation/devicetree/bindings/security/tpm/tpm_tis_mmio.txt + * Optional interrupt for command completion is not exposed + */ +static int add_tpm_tis_fdt_node(SysBusDevice *sbdev, void *opaque) +{ + PlatformBusFDTData *data =3D opaque; + PlatformBusDevice *pbus =3D data->pbus; + void *fdt =3D data->fdt; + const char *parent_node =3D data->pbus_node_name; + int compat_str_len; + char *nodename; + uint32_t reg_attr[2]; + uint64_t mmio_base; + + mmio_base =3D platform_bus_get_mmio_addr(pbus, sbdev, 0); + nodename =3D g_strdup_printf("%s/tpm_tis@%" PRIx64, parent_node, mmio_= base); + qemu_fdt_add_subnode(fdt, nodename); + + compat_str_len =3D strlen("tcg,tpm-tis-mmio") + 1; + qemu_fdt_setprop(fdt, nodename, "compatible", "tcg,tpm-tis-mmio", + compat_str_len); + + reg_attr[0] =3D cpu_to_be32(mmio_base); + reg_attr[1] =3D cpu_to_be32(0x5000); + qemu_fdt_setprop(fdt, nodename, "reg", reg_attr, 2 * sizeof(uint32_t))= ; + + g_free(nodename); + return 0; +} + #endif /* CONFIG_LINUX */ =20 static int no_fdt_node(SysBusDevice *sbdev, void *opaque) @@ -455,6 +490,7 @@ static const BindingEntry bindings[] =3D { TYPE_BINDING(TYPE_VFIO_CALXEDA_XGMAC, add_calxeda_midway_xgmac_fdt_nod= e), TYPE_BINDING(TYPE_VFIO_AMD_XGBE, add_amd_xgbe_fdt_node), VFIO_PLATFORM_BINDING("amd,xgbe-seattle-v1a", add_amd_xgbe_fdt_node), + TYPE_BINDING(TYPE_TPM_TIS, add_tpm_tis_fdt_node), #endif TYPE_BINDING(TYPE_RAMFB_DEVICE, no_fdt_node), TYPE_BINDING("", NULL), /* last element */ diff --git a/hw/arm/virt.c b/hw/arm/virt.c index f788fe27d6..1bb34dfa0b 100644 --- a/hw/arm/virt.c +++ b/hw/arm/virt.c @@ -47,6 +47,7 @@ #include "sysemu/numa.h" #include "sysemu/runstate.h" #include "sysemu/sysemu.h" +#include "sysemu/tpm.h" #include "sysemu/kvm.h" #include "hw/loader.h" #include "exec/address-spaces.h" @@ -2041,6 +2042,7 @@ static void virt_machine_class_init(ObjectClass *oc, = void *data) machine_class_allow_dynamic_sysbus_dev(mc, TYPE_VFIO_AMD_XGBE); machine_class_allow_dynamic_sysbus_dev(mc, TYPE_RAMFB_DEVICE); machine_class_allow_dynamic_sysbus_dev(mc, TYPE_VFIO_PLATFORM); + machine_class_allow_dynamic_sysbus_dev(mc, TYPE_TPM_TIS); mc->block_default_type =3D IF_VIRTIO; mc->no_cdrom =3D 1; mc->pci_allow_0_address =3D true; @@ -2153,6 +2155,11 @@ type_init(machvirt_machine_init); =20 static void virt_machine_5_0_options(MachineClass *mc) { + static GlobalProperty compat[] =3D { + { TYPE_TPM_TIS, "ppi", "false" }, + }; + + compat_props_add(mc->compat_props, compat, G_N_ELEMENTS(compat)); } DEFINE_VIRT_MACHINE_AS_LATEST(5, 0) =20 --=20 2.20.1