From nobody Fri Jun 16 06:23:04 2023 X-Original-To: dev-commits-src-all@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 4Qj8Gw5tvjz4fJyM; Fri, 16 Jun 2023 06:23:04 +0000 (UTC) (envelope-from git@FreeBSD.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "R3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4Qj8Gw240Rz3w14; Fri, 16 Jun 2023 06:23:04 +0000 (UTC) (envelope-from git@FreeBSD.org) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1686896584; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding; bh=+shP/edntlcnVD0YCxU+14v6cm2l5XiWMs9ljBZUwjc=; b=ELjy9VPepcl1B01gki82m4HqyvQGiWsbznocSJZiUZw6iipuEC6zOka1uPO/8tl5VSJw5r NewqYXMjlvRH+reH3QeZolQKliRP4/OPebLXDkuQf/IJg3aHJ3DamQLoieEKszCsuMdOCl A4mde2O9BSs9AMTndgRK3qchjyzLXU2/aOu+6BPXIbPJpxSkhwSCg0T7MMcmXMk57k4TxF ekeRxs/zHg0nVB5wizv77CvGMyqloeg5sFhSP1Cti+026KWwLWOpvXBPZfaLp79fOOYZmD jOujSmPP9n6c7YH+YKRrDUucRJqNBZmvDYqF6YT1Zla2fw+htLudwiu1ahbTMg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1686896584; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding; bh=+shP/edntlcnVD0YCxU+14v6cm2l5XiWMs9ljBZUwjc=; b=FKV2lo5V+pYIza27PSFLym0zxOC4uN6tsnqt1g0mA0nnDSLUEQlnRCh3TZ3pxN5u7rDTO/ e/s52sTSnrhjX/VrrURzdO3Ogi49UaEHva/uwfYOGTRtXnGt0y08caH6kIFGuC7uPcZQJ+ p18ezzQCDXvsgOTT+3ORhAppwmv0x09KWT8HktdIUy68at33YrtiEp+5INMFdQgJb/arN1 Xk7979tWgy+SbGpjA1whNTlI6P23iPPe6UJGIE/lBSyoLR19iApFC/ij3/V5ZpdzoIeUaz eeX5kaOZoHOjPOebL8L2uembzvC1Do102DoZOglwL+j18m/1cAC2WbyCPHot7Q== ARC-Authentication-Results: i=1; mx1.freebsd.org; none ARC-Seal: i=1; s=dkim; d=freebsd.org; t=1686896584; a=rsa-sha256; cv=none; b=EbUb2f5sfMQzqO3lBGrxdzNVqZwqcCqa6CZOyfccMPjuDZ2ADApxLdYNZR0riVF3EJq/Na OHttxz5+WPCevQuoG22tYXy4BZLP6+QtjwfT/nB0FcpejLh/Y5c1qGdZuStvEOwI0+asvB hK8oXeG/c/XnVwTFyL0omqyKe9ynvpyoZR7O5q04BEhPbX1My+d9LdOnkd4HFpbGTXtPxp aP1fetfYyXQCktUKnzztcVhTMr8dXkrtTiU9q+++OfeqwKkPEk6KdBWf1CzQhh/ZjXvSQC A3gzjzjHBXO0fXEVUyPRNlM1DZp7JduwPzSuaa8eotiiNIBJmUcOdEDQGtmcHg== Received: from gitrepo.freebsd.org (gitrepo.freebsd.org [IPv6:2610:1c1:1:6068::e6a:5]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (Client did not present a certificate) by mxrelay.nyi.freebsd.org (Postfix) with ESMTPS id 4Qj8Gw0rhMzHZ2; Fri, 16 Jun 2023 06:23:04 +0000 (UTC) (envelope-from git@FreeBSD.org) Received: from gitrepo.freebsd.org ([127.0.1.44]) by gitrepo.freebsd.org (8.16.1/8.16.1) with ESMTP id 35G6N4hs051627; Fri, 16 Jun 2023 06:23:04 GMT (envelope-from git@gitrepo.freebsd.org) Received: (from git@localhost) by gitrepo.freebsd.org (8.16.1/8.16.1/Submit) id 35G6N4qM051626; Fri, 16 Jun 2023 06:23:04 GMT (envelope-from git) Date: Fri, 16 Jun 2023 06:23:04 GMT Message-Id: <202306160623.35G6N4qM051626@gitrepo.freebsd.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-main@FreeBSD.org From: =?utf-8?Q?Corvin=20K=C3=B6hne?= Subject: git: 11ba214629b1 - main - bhyve: add basic TPM passthrough emulation List-Id: Commit messages for all branches of the src repository List-Archive: https://lists.freebsd.org/archives/dev-commits-src-all List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-dev-commits-src-all@freebsd.org X-BeenThere: dev-commits-src-all@freebsd.org MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit X-Git-Committer: corvink X-Git-Repository: src X-Git-Refname: refs/heads/main X-Git-Reftype: branch X-Git-Commit: 11ba214629b1c1379a29451af8af7e399713aa5a Auto-Submitted: auto-generated X-ThisMailContainsUnwantedMimeParts: N The branch main has been updated by corvink: URL: https://cgit.FreeBSD.org/src/commit/?id=11ba214629b1c1379a29451af8af7e399713aa5a commit 11ba214629b1c1379a29451af8af7e399713aa5a Author: Corvin Köhne AuthorDate: 2023-05-15 12:04:15 +0000 Commit: Corvin Köhne CommitDate: 2023-06-16 06:18:55 +0000 bhyve: add basic TPM passthrough emulation At the moment, the emulation only opens a file descriptor to the TPM device. Some subsequent commits will read and write from it. Reviewed by: markj MFC after: 1 week Sponsored by: Beckhoff Automation GmbH & Co. KG Differential Revision: https://reviews.freebsd.org/D40455 --- usr.sbin/bhyve/Makefile | 1 + usr.sbin/bhyve/tpm_emul_passthru.c | 69 ++++++++++++++++++++++++++++++++++++++ 2 files changed, 70 insertions(+) diff --git a/usr.sbin/bhyve/Makefile b/usr.sbin/bhyve/Makefile index 08eb41c430d5..fc880566228b 100644 --- a/usr.sbin/bhyve/Makefile +++ b/usr.sbin/bhyve/Makefile @@ -76,6 +76,7 @@ SRCS= \ spinup_ap.c \ task_switch.c \ tpm_device.c \ + tpm_emul_passthru.c \ uart_emul.c \ usb_emul.c \ usb_mouse.c \ diff --git a/usr.sbin/bhyve/tpm_emul_passthru.c b/usr.sbin/bhyve/tpm_emul_passthru.c new file mode 100644 index 000000000000..9d706dee7120 --- /dev/null +++ b/usr.sbin/bhyve/tpm_emul_passthru.c @@ -0,0 +1,69 @@ +/*- + * SPDX-License-Identifier: BSD-2-Clause + * + * Copyright (c) 2023 Beckhoff Automation GmbH & Co. KG + * Author: Corvin Köhne + */ + +#include + +#include +#include +#include +#include +#include +#include + +#include "config.h" +#include "tpm_device.h" +#include "tpm_emul.h" + +struct tpm_passthru { + int fd; +}; + +static int +tpm_passthru_init(void **sc, nvlist_t *nvl) +{ + struct tpm_passthru *tpm; + const char *path; + + tpm = calloc(1, sizeof(struct tpm_passthru)); + if (tpm == NULL) { + warnx("%s: failed to allocate tpm passthru", __func__); + return (ENOMEM); + } + + path = get_config_value_node(nvl, "path"); + tpm->fd = open(path, O_RDWR); + if (tpm->fd < 0) { + warnx("%s: unable to open tpm device \"%s\"", __func__, path); + return (ENOENT); + } + + *sc = tpm; + + return (0); +} + +static void +tpm_passthru_deinit(void *sc) +{ + struct tpm_passthru *tpm; + + tpm = sc; + if (tpm == NULL) + return; + + if (tpm->fd >= 0) + close(tpm->fd); + + free(tpm); +} + +static const struct tpm_emul tpm_emul_passthru = { + .name = "passthru", + .init = tpm_passthru_init, + .deinit = tpm_passthru_deinit, +}; +TPM_EMUL_SET(tpm_emul_passthru);