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Mon, 9 Dec 2024 23:25:05 +0000 X-MS-Exchange-Authentication-Results: spf=pass (sender IP is 165.204.84.17) smtp.mailfrom=amd.com; dkim=none (message not signed) header.d=none;dmarc=pass action=none header.from=amd.com; Received-SPF: Pass (protection.outlook.com: domain of amd.com designates 165.204.84.17 as permitted sender) receiver=protection.outlook.com; client-ip=165.204.84.17; helo=SATLEXMB04.amd.com; pr=C Received: from SATLEXMB04.amd.com (165.204.84.17) by SA2PEPF00003F64.mail.protection.outlook.com (10.167.248.39) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.20.8230.7 via Frontend Transport; Mon, 9 Dec 2024 23:25:05 +0000 Received: from ethanolx7e2ehost.amd.com (10.180.168.240) by SATLEXMB04.amd.com (10.181.40.145) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.39; Mon, 9 Dec 2024 17:25:03 -0600 From: Ashish Kalra To: , , , , , , , , , , , CC: , , , , , Subject: [PATCH 1/7] crypto: ccp: Move dev_info/err messages for SEV/SNP initialization Date: Mon, 9 Dec 2024 23:24:42 +0000 Message-ID: X-Mailer: git-send-email 2.34.1 In-Reply-To: References: Precedence: bulk X-Mailing-List: linux-crypto@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-ClientProxiedBy: SATLEXMB03.amd.com (10.181.40.144) To SATLEXMB04.amd.com (10.181.40.145) X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: SA2PEPF00003F64:EE_|DM3PR12MB9352:EE_ X-MS-Office365-Filtering-Correlation-Id: 66818e36-bf14-4ba4-e306-08dd18a8b680 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|1800799024|376014|7416014|36860700013|82310400026|921020; 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X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 09 Dec 2024 23:25:05.1169 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 66818e36-bf14-4ba4-e306-08dd18a8b680 X-MS-Exchange-CrossTenant-Id: 3dd8961f-e488-4e60-8e11-a82d994e183d X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=3dd8961f-e488-4e60-8e11-a82d994e183d;Ip=[165.204.84.17];Helo=[SATLEXMB04.amd.com] X-MS-Exchange-CrossTenant-AuthSource: SA2PEPF00003F64.namprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM3PR12MB9352 From: Ashish Kalra Remove dev_info and dev_err messages related to SEV/SNP initialization from callers and instead move those inside __sev_platform_init_locked() and __sev_snp_init_locked(). This allows both _sev_platform_init_locked() and various SEV/SNP ioctls to call __sev_platform_init_locked() and __sev_snp_init_locked() for implicit SEV/SNP initialization and shutdown without additionally printing any errors/success messages. Signed-off-by: Ashish Kalra --- drivers/crypto/ccp/sev-dev.c | 26 +++++++++++++++++++------- 1 file changed, 19 insertions(+), 7 deletions(-) diff --git a/drivers/crypto/ccp/sev-dev.c b/drivers/crypto/ccp/sev-dev.c index af018afd9cd7..a17796729725 100644 --- a/drivers/crypto/ccp/sev-dev.c +++ b/drivers/crypto/ccp/sev-dev.c @@ -1177,19 +1177,27 @@ static int __sev_snp_init_locked(int *error) rc = __sev_do_cmd_locked(cmd, arg, error); if (rc) - return rc; + goto err; /* Prepare for first SNP guest launch after INIT. */ wbinvd_on_all_cpus(); rc = __sev_do_cmd_locked(SEV_CMD_SNP_DF_FLUSH, NULL, error); if (rc) - return rc; + goto err; sev->snp_initialized = true; dev_dbg(sev->dev, "SEV-SNP firmware initialized\n"); + dev_info(sev->dev, "SEV-SNP API:%d.%d build:%d\n", sev->api_major, + sev->api_minor, sev->build); + sev_es_tmr_size = SNP_TMR_SIZE; + return 0; + +err: + dev_err(sev->dev, "SEV-SNP: failed to INIT rc %d, error %#x\n", + rc, *error); return rc; } @@ -1268,7 +1276,7 @@ static int __sev_platform_init_locked(int *error) rc = __sev_platform_init_handle_init_ex_path(sev); if (rc) - return rc; + goto err; rc = __sev_do_init_locked(&psp_ret); if (rc && psp_ret == SEV_RET_SECURE_DATA_INVALID) { @@ -1288,7 +1296,7 @@ static int __sev_platform_init_locked(int *error) *error = psp_ret; if (rc) - return rc; + goto err; sev->state = SEV_STATE_INIT; @@ -1296,7 +1304,7 @@ static int __sev_platform_init_locked(int *error) wbinvd_on_all_cpus(); rc = __sev_do_cmd_locked(SEV_CMD_DF_FLUSH, NULL, error); if (rc) - return rc; + goto err; dev_dbg(sev->dev, "SEV firmware initialized\n"); @@ -1304,6 +1312,11 @@ static int __sev_platform_init_locked(int *error) sev->api_minor, sev->build); return 0; + +err: + dev_err(sev->dev, "SEV: failed to INIT error %#x, rc %d\n", + psp_ret, rc); + return rc; } static int _sev_platform_init_locked(struct sev_platform_init_args *args) @@ -1329,8 +1342,7 @@ static int _sev_platform_init_locked(struct sev_platform_init_args *args) * Don't abort the probe if SNP INIT failed, * continue to initialize the legacy SEV firmware. */ - dev_err(sev->dev, "SEV-SNP: failed to INIT rc %d, error %#x\n", - rc, args->error); + dev_info(sev->dev, "SEV-SNP: failed, continue to INIT SEV firmware\n"); } /* Defer legacy SEV/SEV-ES support if allowed by caller/module. */