From nobody Mon Feb 9 13:58:07 2026 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id DF136EB64D8 for ; Wed, 21 Jun 2023 06:16:18 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229671AbjFUGQR (ORCPT ); Wed, 21 Jun 2023 02:16:17 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53144 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230191AbjFUGQA (ORCPT ); Wed, 21 Jun 2023 02:16:00 -0400 Received: from mga02.intel.com (mga02.intel.com [134.134.136.20]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 69F231730 for ; Tue, 20 Jun 2023 23:15:59 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1687328159; x=1718864159; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=6wfThIJKa88l/0KfHTo8J6towRQs0GBms/PPJa4Tx1E=; b=kbyLWPgnq1saU85n4U60M4M0IzCCdqD85WjW17V68vfUEBp16rs9TFdg PQ0nSOy+eUttZDUXDqykxc6WoVxFumkPNqlxQrdQ+d6DyPaGU6HkFzbvC QG66Ukac78EKiX6kihzQrMgotf13FYbxRQNm02bMYXoOrs5hVAZobVMff jXkezJZEcsm6IZRd9c3W6H7Twxu9XS/XnPJYRoWFZXm2MgXbHkQa/T4Pi N1VaU2q23xizCKeaOQ9mhydq4zCqgc8VrUvvV2BrFViTzm6b9OXI35EVj hC9AjqZNBbmq5qBLpIXRE9R+K1Sxvlwfv7aiDCpi9kqNJn0PcpP7722pZ w==; X-IronPort-AV: E=McAfee;i="6600,9927,10747"; a="349814438" X-IronPort-AV: E=Sophos;i="6.00,259,1681196400"; d="scan'208";a="349814438" Received: from orsmga002.jf.intel.com ([10.7.209.21]) by orsmga101.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 20 Jun 2023 23:15:59 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10747"; a="714327557" X-IronPort-AV: E=Sophos;i="6.00,259,1681196400"; d="scan'208";a="714327557" Received: from unknown (HELO localhost.localdomain) ([10.226.216.90]) by orsmga002.jf.intel.com with ESMTP; 20 Jun 2023 23:15:57 -0700 From: tien.sung.ang@intel.com To: Dinh Nguyen Cc: linux-kernel@vger.kernel.org, Ang Tien Sung Subject: [PATCH 2/3] firmware: stratix10-svc: extend for single certificate Date: Wed, 21 Jun 2023 14:15:07 +0800 Message-Id: <20230621061508.1429913-3-tien.sung.ang@intel.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20230621061508.1429913-1-tien.sung.ang@intel.com> References: <20230621061508.1429913-1-tien.sung.ang@intel.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" From: Ang Tien Sung Extend Intel service layer driver to support a single certificate to allow unauthenticated updates to the PTS counter. PTS =3D Pseudo Time Stamp Signed-off-by: Ang Tien Sung --- drivers/firmware/stratix10-svc.c | 11 +++++++++++ include/linux/firmware/intel/stratix10-smc.h | 18 ++++++++++++++++++ .../firmware/intel/stratix10-svc-client.h | 5 +++++ 3 files changed, 34 insertions(+) diff --git a/drivers/firmware/stratix10-svc.c b/drivers/firmware/stratix10-= svc.c index a277fe9c4db4..be0a39900570 100644 --- a/drivers/firmware/stratix10-svc.c +++ b/drivers/firmware/stratix10-svc.c @@ -329,6 +329,7 @@ static void svc_thread_recv_status_ok(struct stratix10_= svc_data *p_data, case COMMAND_FCS_DATA_ENCRYPTION: case COMMAND_FCS_DATA_DECRYPTION: case COMMAND_FCS_PSGSIGMA_TEARDOWN: + case COMMAND_FCS_COUNTER_SET_PREAUTHORIZED: cb_data->status =3D BIT(SVC_STATUS_OK); break; case COMMAND_RECONFIG_DATA_SUBMIT: @@ -524,8 +525,17 @@ static int svc_normal_to_secure_thread(void *data) a1 =3D (unsigned long)pdata->paddr; a2 =3D (unsigned long)pdata->size; break; + case COMMAND_FCS_COUNTER_SET_PREAUTHORIZED: + a0 =3D INTEL_SIP_SMC_FCS_COUNTER_SET_PREAUTHORIZED; + a1 =3D pdata->arg[0]; + a2 =3D pdata->arg[1]; + a3 =3D pdata->arg[2]; + break; case COMMAND_FCS_GET_PROVISION_DATA: a0 =3D INTEL_SIP_SMC_FCS_GET_PROVISION_DATA; + a1 =3D 0; + a2 =3D 0; + break; case COMMAND_FCS_PSGSIGMA_TEARDOWN: a0 =3D INTEL_SIP_SMC_FCS_PSGSIGMA_TEARDOWN; a1 =3D pdata->arg[0]; @@ -633,6 +643,7 @@ static int svc_normal_to_secure_thread(void *data) case COMMAND_FCS_GET_CHIP_ID: case COMMAND_FCS_ATTESTATION_SUBKEY: case COMMAND_FCS_ATTESTATION_MEASUREMENTS: + case COMMAND_FCS_COUNTER_SET_PREAUTHORIZED: cbdata->status =3D BIT(SVC_STATUS_INVALID_PARAM); cbdata->kaddr1 =3D NULL; cbdata->kaddr2 =3D NULL; diff --git a/include/linux/firmware/intel/stratix10-smc.h b/include/linux/f= irmware/intel/stratix10-smc.h index d9f0251256e9..8f92a55ba51d 100644 --- a/include/linux/firmware/intel/stratix10-smc.h +++ b/include/linux/firmware/intel/stratix10-smc.h @@ -594,6 +594,24 @@ INTEL_SIP_SMC_FAST_CALL_VAL(INTEL_SIP_SMC_FUNCID_FPGA_= CONFIG_COMPLETED_WRITE) #define INTEL_SIP_SMC_FUNCID_FCS_GET_PROVISION_DATA 94 #define INTEL_SIP_SMC_FCS_GET_PROVISION_DATA \ INTEL_SIP_SMC_FAST_CALL_VAL(INTEL_SIP_SMC_FUNCID_FCS_GET_PROVISION_DATA) +/** + * Request INTEL_SIP_SMC_FCS_COUNTER_SET_PREAUTHORIZED + * Sync call to update counter value w/o signed certificate + * + * Call register usage: + * a0 INTEL_SIP_SMC_FCS_COUNTER_SET_PREAUTHORIZED + * a1 counter type + * a2 counter value + * a3 test bit + * a3-a7 not used + * + * Return status: + * a0 INTEL_SIP_SMC_STATUS_OK or INTEL_SIP_SMC_STATUS_ERROR + * a1-a4 not used + */ +#define INTEL_SIP_SMC_FUNCID_FCS_COUNTER_SET_PREAUTHORIZED 95 +#define INTEL_SIP_SMC_FCS_COUNTER_SET_PREAUTHORIZED \ + INTEL_SIP_SMC_FAST_CALL_VAL(INTEL_SIP_SMC_FUNCID_FCS_COUNTER_SET_PREAUTHO= RIZED) =20 /** * Request INTEL_SIP_SMC_FCS_PSGSIGMA_TEARDOWN diff --git a/include/linux/firmware/intel/stratix10-svc-client.h b/include/= linux/firmware/intel/stratix10-svc-client.h index 5346967dd2fe..4703f6c486a1 100644 --- a/include/linux/firmware/intel/stratix10-svc-client.h +++ b/include/linux/firmware/intel/stratix10-svc-client.h @@ -139,6 +139,10 @@ struct stratix10_svc_chan; * @COMMAND_FCS_RANDOM_NUMBER_GEN: generate a random number, return status * is SVC_STATUS_OK, SVC_STATUS_ERROR * + * @COMMAND_FCS_COUNTER_SET_PREAUTHORIZED: update the counter value for + * the selected counter without the signed certificate, return status is + * SVC_STATUS_OK, or SVC_STATUS_ERROR + * * @COMMAND_FCS_PSGSIGMA_TEARDOWN: tear down all previous black key * provision sessions and delete keys assicated with those sessions, * return status is SVC_STATUS_SUBMITTED or SVC_STATUS_ERROR @@ -175,6 +179,7 @@ enum stratix10_svc_command_code { COMMAND_FCS_DATA_ENCRYPTION, COMMAND_FCS_DATA_DECRYPTION, COMMAND_FCS_RANDOM_NUMBER_GEN, + COMMAND_FCS_COUNTER_SET_PREAUTHORIZED, /* for Attestation */ COMMAND_FCS_PSGSIGMA_TEARDOWN =3D 30, COMMAND_FCS_GET_CHIP_ID, --=20 2.25.1