From patchwork Wed May 3 16:19:10 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Roberto Sassu X-Patchwork-Id: 9710133 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id BCBFE60362 for ; Wed, 3 May 2017 16:21:31 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id AE1FD28675 for ; Wed, 3 May 2017 16:21:31 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id A2BD228674; Wed, 3 May 2017 16:21:31 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.9 required=2.0 tests=BAYES_00,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 2C76328665 for ; Wed, 3 May 2017 16:21:31 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752179AbdECQVa (ORCPT ); Wed, 3 May 2017 12:21:30 -0400 Received: from lhrrgout.huawei.com ([194.213.3.17]:25674 "EHLO lhrrgout.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751455AbdECQV3 (ORCPT ); Wed, 3 May 2017 12:21:29 -0400 Received: from 172.18.7.190 (EHLO LHREML713-CAH.china.huawei.com) ([172.18.7.190]) by lhrrg02-dlp.huawei.com (MOS 4.3.7-GA FastPath queued) with ESMTP id DFY07794; Wed, 03 May 2017 16:21:28 +0000 (GMT) Received: from roberto-HP-EliteDesk-800-G2-DM-65W.huawei.com (10.204.66.1) by smtpsuk.huawei.com (10.201.108.36) with Microsoft SMTP Server (TLS) id 14.3.301.0; Wed, 3 May 2017 17:21:17 +0100 From: Roberto Sassu To: CC: , , , Roberto Sassu Subject: [PATCH v2 2/3] tpm: move endianness conversion of ordinals to tpm_input_header Date: Wed, 3 May 2017 18:19:10 +0200 Message-ID: <20170503161911.17606-3-roberto.sassu@huawei.com> X-Mailer: git-send-email 2.9.3 In-Reply-To: <20170503161911.17606-1-roberto.sassu@huawei.com> References: <20170503161911.17606-1-roberto.sassu@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.204.66.1] X-CFilter-Loop: Reflected X-Mirapoint-Virus-RAPID-Raw: score=unknown(0), refid=str=0001.0A020201.590A0388.0077, ss=1, re=0.000, recu=0.000, reip=0.000, cl=1, cld=1, fgs=0, ip=0.0.0.0, so=2013-06-18 04:22:30, dmn=2013-03-21 17:37:32 X-Mirapoint-Loop-Id: 327dc9102e2337fea37643b9ccd11459 Sender: owner-linux-security-module@vger.kernel.org Precedence: bulk List-ID: X-Virus-Scanned: ClamAV using ClamSMTP Move CPU native value to big-endian conversion of ordinals to the tpm_input_header declarations. With the previous and this patch it will now be possible to modify TPM 1.2 functions to use tpm_buf_init(), which expects CPU native value for the tag and ordinal arguments. Signed-off-by: Roberto Sassu Tested-by: Jarkko Sakkinen --- v2 - restored TPM_ORD_ definitions in tpm-interface.c and tpm-sysfs.c drivers/char/tpm/tpm-interface.c | 24 ++++++++++++------------ drivers/char/tpm/tpm-sysfs.c | 4 ++-- 2 files changed, 14 insertions(+), 14 deletions(-) diff --git a/drivers/char/tpm/tpm-interface.c b/drivers/char/tpm/tpm-interface.c index a6bc0ba..a8351dd 100644 --- a/drivers/char/tpm/tpm-interface.c +++ b/drivers/char/tpm/tpm-interface.c @@ -468,13 +468,13 @@ ssize_t tpm_transmit_cmd(struct tpm_chip *chip, const void *buf, #define TPM_DIGEST_SIZE 20 #define TPM_RET_CODE_IDX 6 #define TPM_INTERNAL_RESULT_SIZE 200 -#define TPM_ORD_GET_CAP cpu_to_be32(101) -#define TPM_ORD_GET_RANDOM cpu_to_be32(70) +#define TPM_ORD_GET_CAP 101 +#define TPM_ORD_GET_RANDOM 70 static const struct tpm_input_header tpm_getcap_header = { .tag = cpu_to_be16(TPM_TAG_RQU_COMMAND), .length = cpu_to_be32(22), - .ordinal = TPM_ORD_GET_CAP + .ordinal = cpu_to_be32(TPM_ORD_GET_CAP) }; ssize_t tpm_getcap(struct tpm_chip *chip, u32 subcap_id, cap_t *cap, @@ -509,14 +509,14 @@ ssize_t tpm_getcap(struct tpm_chip *chip, u32 subcap_id, cap_t *cap, } EXPORT_SYMBOL_GPL(tpm_getcap); -#define TPM_ORD_STARTUP cpu_to_be32(153) +#define TPM_ORD_STARTUP 153 #define TPM_ST_CLEAR cpu_to_be16(1) #define TPM_ST_STATE cpu_to_be16(2) #define TPM_ST_DEACTIVATED cpu_to_be16(3) static const struct tpm_input_header tpm_startup_header = { .tag = cpu_to_be16(TPM_TAG_RQU_COMMAND), .length = cpu_to_be32(12), - .ordinal = TPM_ORD_STARTUP + .ordinal = cpu_to_be32(TPM_ORD_STARTUP) }; static int tpm_startup(struct tpm_chip *chip, __be16 startup_type) @@ -687,13 +687,13 @@ static int tpm_continue_selftest(struct tpm_chip *chip) return rc; } -#define TPM_ORDINAL_PCRREAD cpu_to_be32(21) +#define TPM_ORDINAL_PCRREAD 21 #define READ_PCR_RESULT_SIZE 30 #define READ_PCR_RESULT_BODY_SIZE 20 static const struct tpm_input_header pcrread_header = { .tag = cpu_to_be16(TPM_TAG_RQU_COMMAND), .length = cpu_to_be32(14), - .ordinal = TPM_ORDINAL_PCRREAD + .ordinal = cpu_to_be32(TPM_ORDINAL_PCRREAD) }; int tpm_pcr_read_dev(struct tpm_chip *chip, int pcr_idx, u8 *res_buf) @@ -765,13 +765,13 @@ int tpm_pcr_read(u32 chip_num, int pcr_idx, u8 *res_buf) } EXPORT_SYMBOL_GPL(tpm_pcr_read); -#define TPM_ORD_PCR_EXTEND cpu_to_be32(20) +#define TPM_ORD_PCR_EXTEND 20 #define EXTEND_PCR_RESULT_SIZE 34 #define EXTEND_PCR_RESULT_BODY_SIZE 20 static const struct tpm_input_header pcrextend_header = { .tag = cpu_to_be16(TPM_TAG_RQU_COMMAND), .length = cpu_to_be32(34), - .ordinal = TPM_ORD_PCR_EXTEND + .ordinal = cpu_to_be32(TPM_ORD_PCR_EXTEND) }; /** @@ -987,13 +987,13 @@ int wait_for_tpm_stat(struct tpm_chip *chip, u8 mask, unsigned long timeout, } EXPORT_SYMBOL_GPL(wait_for_tpm_stat); -#define TPM_ORD_SAVESTATE cpu_to_be32(152) +#define TPM_ORD_SAVESTATE 152 #define SAVESTATE_RESULT_SIZE 10 static const struct tpm_input_header savestate_header = { .tag = cpu_to_be16(TPM_TAG_RQU_COMMAND), .length = cpu_to_be32(10), - .ordinal = TPM_ORD_SAVESTATE + .ordinal = cpu_to_be32(TPM_ORD_SAVESTATE) }; /* @@ -1078,7 +1078,7 @@ EXPORT_SYMBOL_GPL(tpm_pm_resume); static const struct tpm_input_header tpm_getrandom_header = { .tag = cpu_to_be16(TPM_TAG_RQU_COMMAND), .length = cpu_to_be32(14), - .ordinal = TPM_ORD_GET_RANDOM + .ordinal = cpu_to_be32(TPM_ORD_GET_RANDOM) }; /** diff --git a/drivers/char/tpm/tpm-sysfs.c b/drivers/char/tpm/tpm-sysfs.c index a078b4d..c8cc0d5 100644 --- a/drivers/char/tpm/tpm-sysfs.c +++ b/drivers/char/tpm/tpm-sysfs.c @@ -22,11 +22,11 @@ #define READ_PUBEK_RESULT_SIZE 314 #define READ_PUBEK_RESULT_MIN_BODY_SIZE (28 + 256) -#define TPM_ORD_READPUBEK cpu_to_be32(124) +#define TPM_ORD_READPUBEK 124 static const struct tpm_input_header tpm_readpubek_header = { .tag = cpu_to_be16(TPM_TAG_RQU_COMMAND), .length = cpu_to_be32(30), - .ordinal = TPM_ORD_READPUBEK + .ordinal = cpu_to_be32(TPM_ORD_READPUBEK) }; static ssize_t pubek_show(struct device *dev, struct device_attribute *attr, char *buf)