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=-9.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_PASS,URIBL_BLOCKED, USER_AGENT_GIT autolearn=unavailable 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 E62CDC10F0E for ; Mon, 15 Apr 2019 12:36:12 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id C178320693 for ; Mon, 15 Apr 2019 12:36:12 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727460AbfDOMgH (ORCPT ); Mon, 15 Apr 2019 08:36:07 -0400 Received: from [110.188.70.11] ([110.188.70.11]:62757 "EHLO spam1.hygon.cn" rhost-flags-FAIL-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1726298AbfDOMgH (ORCPT ); Mon, 15 Apr 2019 08:36:07 -0400 Received: from spam1.hygon.cn (localhost [127.0.0.2] (may be forged)) by spam1.hygon.cn with ESMTP id x3FC9UDZ026863; Mon, 15 Apr 2019 20:09:30 +0800 (GMT-8) (envelope-from fenghao@hygon.cn) Received: from MK-DB.hygon.cn ([172.23.18.60]) by spam1.hygon.cn with ESMTP id x3FC7BGj026673; Mon, 15 Apr 2019 20:07:11 +0800 (GMT-8) (envelope-from fenghao@hygon.cn) Received: from cncheex02.Hygon.cn ([172.23.18.12]) by MK-DB.hygon.cn with ESMTP id x3FC73nU053922; Mon, 15 Apr 2019 20:07:03 +0800 (GMT-8) (envelope-from fenghao@hygon.cn) Received: from harry-Inspiron-5675.higon.com (172.23.18.44) by cncheex02.Hygon.cn (172.23.18.12) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.1466.3; Mon, 15 Apr 2019 20:07:07 +0800 From: Hao Feng To: "'Tom Lendacky '" , "'Gary Hook '" , "'Herbert Xu '" , "' David S. Miller '" , "'Janakarajan Natarajan '" CC: "'Zhaohui Du '" , "'Zhiwei Ying '" , "'Wen Pu '" , Hao Feng , , Subject: [PATCH 2/6] crypto: ccp: Define Hygon SEV commands Date: Mon, 15 Apr 2019 20:04:24 +0800 Message-ID: <1555329868-17895-3-git-send-email-fenghao@hygon.cn> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1555329868-17895-1-git-send-email-fenghao@hygon.cn> References: <1555329868-17895-1-git-send-email-fenghao@hygon.cn> MIME-Version: 1.0 Content-Type: text/plain X-Originating-IP: [172.23.18.44] X-ClientProxiedBy: cncheex02.Hygon.cn (172.23.18.12) To cncheex02.Hygon.cn (172.23.18.12) X-MAIL: spam1.hygon.cn x3FC7BGj026673 X-DNSRBL: Sender: linux-crypto-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-crypto@vger.kernel.org 1. SEV_CMD_GM_PUBKEY_GEN - Get SM2 random public key from SEV firmware to start SM2 key exchange. 2. SEV_CMD_GM_GET_DIGEST - Get key digest from SEV firmware during SM2 key exchange. 3. SEV_CMD_GM_VERIFY_DIGEST - Verify guest owner's key digest during SM2 key exchange. Signed-off-by: Hao Feng --- drivers/crypto/ccp/psp-dev.c | 3 +++ include/linux/psp-sev.h | 49 ++++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 52 insertions(+) diff --git a/drivers/crypto/ccp/psp-dev.c b/drivers/crypto/ccp/psp-dev.c index fadf859..fafebf4 100644 --- a/drivers/crypto/ccp/psp-dev.c +++ b/drivers/crypto/ccp/psp-dev.c @@ -139,6 +139,9 @@ static int sev_cmd_buffer_len(int cmd) case SEV_CMD_LAUNCH_UPDATE_SECRET: return sizeof(struct sev_data_launch_secret); case SEV_CMD_DOWNLOAD_FIRMWARE: return sizeof(struct sev_data_download_firmware); case SEV_CMD_GET_ID: return sizeof(struct sev_data_get_id); + case SEV_CMD_GM_PUBKEY_GEN: return sizeof(struct sev_data_gm_pubkey_gen); + case SEV_CMD_GM_GET_DIGEST: return sizeof(struct sev_data_gm_get_digest); + case SEV_CMD_GM_VERIFY_DIGEST: return sizeof(struct sev_data_gm_verify_digest); default: return 0; } diff --git a/include/linux/psp-sev.h b/include/linux/psp-sev.h index 827c601..0171849 100644 --- a/include/linux/psp-sev.h +++ b/include/linux/psp-sev.h @@ -87,6 +87,11 @@ enum sev_cmd { SEV_CMD_DBG_DECRYPT = 0x060, SEV_CMD_DBG_ENCRYPT = 0x061, + /* GM specific commands */ + SEV_CMD_GM_PUBKEY_GEN = 0x070, + SEV_CMD_GM_GET_DIGEST = 0x071, + SEV_CMD_GM_VERIFY_DIGEST = 0x072, + SEV_CMD_MAX, }; @@ -485,6 +490,50 @@ struct sev_data_dbg { u32 len; /* In */ } __packed; +/** + * struct sev_data_gm_pubkey_gen - GM_PUBKEY_GEN command parameters + * + * @key_id_address: physical address containing key id + * @key_id_len: len of key id + * @pubkey_address: physical address containing GM public key + * @pubkey_len: len of GM public key + */ +struct sev_data_gm_pubkey_gen { + u64 key_id_address; /* In */ + u32 key_id_len; /* In */ + u32 reserved; + u64 pubkey_address; /* In */ + u32 pubkey_len; /* In/Out */ +} __packed; + +/** + * struct sev_data_gm_get_digest - GM_GET_DIGEST command parameters + * + * @handle: handle of the VM to process + * @address: physical address containing the digest blob + * @len: len of digest blob + */ +struct sev_data_gm_get_digest { + u32 handle; /* In */ + u32 reserved; + u64 address; /* In */ + u32 len; /* In/Out */ +} __packed; + +/** + * struct sev_data_gm_verify_digest - GM_VERIFY_DIGEST command parameters + * + * @handle: handle of the VM to verify + * @address: physical address containing the digest blob + * @len: len of digest blob + */ +struct sev_data_gm_verify_digest { + u32 handle; /* In */ + u32 reserved; + u64 address; /* In */ + u32 len; /* In */ +}; + #ifdef CONFIG_CRYPTO_DEV_SP_PSP /** -- 2.7.4