From patchwork Mon Sep 17 09:38:18 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Roberto Sassu X-Patchwork-Id: 10602285 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 17163112B for ; Mon, 17 Sep 2018 09:41:51 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 0B081295DA for ; Mon, 17 Sep 2018 09:41:51 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id F3C66295E5; Mon, 17 Sep 2018 09:41:50 +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=unavailable 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 737FC295DA for ; Mon, 17 Sep 2018 09:41:50 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727020AbeIQPIH (ORCPT ); Mon, 17 Sep 2018 11:08:07 -0400 Received: from lhrrgout.huawei.com ([185.176.76.210]:2080 "EHLO huawei.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1727012AbeIQPIH (ORCPT ); Mon, 17 Sep 2018 11:08:07 -0400 Received: from LHREML712-CAH.china.huawei.com (unknown [172.18.7.107]) by Forcepoint Email with ESMTP id 73096F39C6041; Mon, 17 Sep 2018 10:41:25 +0100 (IST) Received: from roberto-HP-EliteDesk-800-G2-DM-65W.huawei.com (10.204.65.153) by smtpsuk.huawei.com (10.201.108.35) with Microsoft SMTP Server (TLS) id 14.3.399.0; Mon, 17 Sep 2018 10:40:53 +0100 From: Roberto Sassu To: CC: , , , Roberto Sassu Subject: [PATCH v2, RESEND 1/3] tpm: rename and export tpm2_digest and tpm2_algorithms Date: Mon, 17 Sep 2018 11:38:18 +0200 Message-ID: <20180917093820.20500-2-roberto.sassu@huawei.com> X-Mailer: git-send-email 2.14.1 In-Reply-To: <20180917093820.20500-1-roberto.sassu@huawei.com> References: <20180917093820.20500-1-roberto.sassu@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.204.65.153] X-CFilter-Loop: Reflected Sender: owner-linux-security-module@vger.kernel.org Precedence: bulk List-ID: X-Virus-Scanned: ClamAV using ClamSMTP Rename tpm2_* to tpm_* and move the definitions to include/linux/tpm.h so that these can be used by other kernel subsystems (e.g. IMA). Signed-off-by: Roberto Sassu --- drivers/char/tpm/tpm-interface.c | 4 ++-- drivers/char/tpm/tpm.h | 13 +------------ drivers/char/tpm/tpm2-cmd.c | 20 ++++++++++---------- include/linux/tpm.h | 18 ++++++++++++++++++ include/linux/tpm_eventlog.h | 9 ++------- 5 files changed, 33 insertions(+), 31 deletions(-) diff --git a/drivers/char/tpm/tpm-interface.c b/drivers/char/tpm/tpm-interface.c index 1a803b0cf980..645c9aa7677a 100644 --- a/drivers/char/tpm/tpm-interface.c +++ b/drivers/char/tpm/tpm-interface.c @@ -1039,7 +1039,7 @@ static int tpm1_pcr_extend(struct tpm_chip *chip, int pcr_idx, const u8 *hash, int tpm_pcr_extend(struct tpm_chip *chip, int pcr_idx, const u8 *hash) { int rc; - struct tpm2_digest digest_list[ARRAY_SIZE(chip->active_banks)]; + struct tpm_digest digest_list[ARRAY_SIZE(chip->active_banks)]; u32 count = 0; int i; @@ -1051,7 +1051,7 @@ int tpm_pcr_extend(struct tpm_chip *chip, int pcr_idx, const u8 *hash) memset(digest_list, 0, sizeof(digest_list)); for (i = 0; i < ARRAY_SIZE(chip->active_banks) && - chip->active_banks[i] != TPM2_ALG_ERROR; i++) { + chip->active_banks[i] != TPM_ALG_ERROR; i++) { digest_list[i].alg_id = chip->active_banks[i]; memcpy(digest_list[i].digest, hash, TPM_DIGEST_SIZE); count++; diff --git a/drivers/char/tpm/tpm.h b/drivers/char/tpm/tpm.h index f3501d05264f..b928ba44d864 100644 --- a/drivers/char/tpm/tpm.h +++ b/drivers/char/tpm/tpm.h @@ -122,17 +122,6 @@ enum tpm2_return_codes { TPM2_RC_RETRY = 0x0922, }; -enum tpm2_algorithms { - TPM2_ALG_ERROR = 0x0000, - TPM2_ALG_SHA1 = 0x0004, - TPM2_ALG_KEYEDHASH = 0x0008, - TPM2_ALG_SHA256 = 0x000B, - TPM2_ALG_SHA384 = 0x000C, - TPM2_ALG_SHA512 = 0x000D, - TPM2_ALG_NULL = 0x0010, - TPM2_ALG_SM3_256 = 0x0012, -}; - enum tpm2_command_codes { TPM2_CC_FIRST = 0x011F, TPM2_CC_CREATE_PRIMARY = 0x0131, @@ -577,7 +566,7 @@ static inline u32 tpm2_rc_value(u32 rc) int tpm2_pcr_read(struct tpm_chip *chip, int pcr_idx, u8 *res_buf); int tpm2_pcr_extend(struct tpm_chip *chip, int pcr_idx, u32 count, - struct tpm2_digest *digests); + struct tpm_digest *digests); int tpm2_get_random(struct tpm_chip *chip, u8 *dest, size_t max); void tpm2_flush_context_cmd(struct tpm_chip *chip, u32 handle, unsigned int flags); diff --git a/drivers/char/tpm/tpm2-cmd.c b/drivers/char/tpm/tpm2-cmd.c index c31b490bd41d..2d7397b8a0d1 100644 --- a/drivers/char/tpm/tpm2-cmd.c +++ b/drivers/char/tpm/tpm2-cmd.c @@ -33,11 +33,11 @@ struct tpm2_hash { }; static struct tpm2_hash tpm2_hash_map[] = { - {HASH_ALGO_SHA1, TPM2_ALG_SHA1}, - {HASH_ALGO_SHA256, TPM2_ALG_SHA256}, - {HASH_ALGO_SHA384, TPM2_ALG_SHA384}, - {HASH_ALGO_SHA512, TPM2_ALG_SHA512}, - {HASH_ALGO_SM3_256, TPM2_ALG_SM3_256}, + {HASH_ALGO_SHA1, TPM_ALG_SHA1}, + {HASH_ALGO_SHA256, TPM_ALG_SHA256}, + {HASH_ALGO_SHA384, TPM_ALG_SHA384}, + {HASH_ALGO_SHA512, TPM_ALG_SHA512}, + {HASH_ALGO_SM3_256, TPM_ALG_SM3_256}, }; /* @@ -200,7 +200,7 @@ int tpm2_pcr_read(struct tpm_chip *chip, int pcr_idx, u8 *res_buf) pcr_select[pcr_idx >> 3] = 1 << (pcr_idx & 0x7); tpm_buf_append_u32(&buf, 1); - tpm_buf_append_u16(&buf, TPM2_ALG_SHA1); + tpm_buf_append_u16(&buf, TPM_ALG_SHA1); tpm_buf_append_u8(&buf, TPM2_PCR_SELECT_MIN); tpm_buf_append(&buf, (const unsigned char *)pcr_select, sizeof(pcr_select)); @@ -234,7 +234,7 @@ struct tpm2_null_auth_area { * Return: Same as with tpm_transmit_cmd. */ int tpm2_pcr_extend(struct tpm_chip *chip, int pcr_idx, u32 count, - struct tpm2_digest *digests) + struct tpm_digest *digests) { struct tpm_buf buf; struct tpm2_null_auth_area auth_area; @@ -457,7 +457,7 @@ int tpm2_seal_trusted(struct tpm_chip *chip, /* public */ tpm_buf_append_u16(&buf, 14 + options->policydigest_len); - tpm_buf_append_u16(&buf, TPM2_ALG_KEYEDHASH); + tpm_buf_append_u16(&buf, TPM_ALG_KEYEDHASH); tpm_buf_append_u16(&buf, hash); /* policy */ @@ -472,7 +472,7 @@ int tpm2_seal_trusted(struct tpm_chip *chip, } /* public parameters */ - tpm_buf_append_u16(&buf, TPM2_ALG_NULL); + tpm_buf_append_u16(&buf, TPM_ALG_NULL); tpm_buf_append_u16(&buf, 0); /* outside info */ @@ -909,7 +909,7 @@ static ssize_t tpm2_get_pcr_allocation(struct tpm_chip *chip) out: if (i < ARRAY_SIZE(chip->active_banks)) - chip->active_banks[i] = TPM2_ALG_ERROR; + chip->active_banks[i] = TPM_ALG_ERROR; tpm_buf_destroy(&buf); diff --git a/include/linux/tpm.h b/include/linux/tpm.h index 4609b94142d4..71d7bbf5f690 100644 --- a/include/linux/tpm.h +++ b/include/linux/tpm.h @@ -22,12 +22,30 @@ #ifndef __LINUX_TPM_H__ #define __LINUX_TPM_H__ +#include + #define TPM_DIGEST_SIZE 20 /* Max TPM v1.2 PCR size */ struct tpm_chip; struct trusted_key_payload; struct trusted_key_options; +enum tpm_algorithms { + TPM_ALG_ERROR = 0x0000, + TPM_ALG_SHA1 = 0x0004, + TPM_ALG_KEYEDHASH = 0x0008, + TPM_ALG_SHA256 = 0x000B, + TPM_ALG_SHA384 = 0x000C, + TPM_ALG_SHA512 = 0x000D, + TPM_ALG_NULL = 0x0010, + TPM_ALG_SM3_256 = 0x0012, +}; + +struct tpm_digest { + u16 alg_id; + u8 digest[SHA512_DIGEST_SIZE]; +} __packed; + enum TPM_OPS_FLAGS { TPM_OPS_AUTO_STARTUP = BIT(0), }; diff --git a/include/linux/tpm_eventlog.h b/include/linux/tpm_eventlog.h index 20d9da77fc11..1481186749f0 100644 --- a/include/linux/tpm_eventlog.h +++ b/include/linux/tpm_eventlog.h @@ -3,7 +3,7 @@ #ifndef __LINUX_TPM_EVENTLOG_H__ #define __LINUX_TPM_EVENTLOG_H__ -#include +#include #define TCG_EVENT_NAME_LEN_MAX 255 #define MAX_TEXT_EVENT 1000 /* Max event string length */ @@ -108,16 +108,11 @@ struct tcg_event_field { u8 event[0]; } __packed; -struct tpm2_digest { - u16 alg_id; - u8 digest[SHA512_DIGEST_SIZE]; -} __packed; - struct tcg_pcr_event2 { u32 pcr_idx; u32 event_type; u32 count; - struct tpm2_digest digests[TPM2_ACTIVE_PCR_BANKS]; + struct tpm_digest digests[TPM2_ACTIVE_PCR_BANKS]; struct tcg_event_field event; } __packed;