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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 5E729C433FE for ; Tue, 1 Nov 2022 19:11:23 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230336AbiKATLV (ORCPT ); Tue, 1 Nov 2022 15:11:21 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:38692 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230345AbiKATLC (ORCPT ); Tue, 1 Nov 2022 15:11:02 -0400 Received: from mga03.intel.com (mga03.intel.com [134.134.136.65]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 1769C1DF27; Tue, 1 Nov 2022 12:11:01 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1667329861; x=1698865861; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=BsFd6K0vbA/ZPFxh0y/0GJ1X/IwutzDVqy/9HTmBpgE=; b=LHBz2zh5RtuycRJshqoxKUvr2A9qkS4Nh5I9xC7v7NAnKLZwPiG1EazY 55SYqltL97Feu1Z/oNCk+GmOxKycGngtGGkbDpQhKNL7jsQ8zHZlFOtbS bzxLcJYkiLPYDnafcp7/iaunwKlaF/xfVj+Of8EFFY+x2wF62SQ2Bp2dm HVQP3sqJZNAlb3fsbsbLQTPNzzn4v4ZUpZqvlK7TitaJIdrTtlwQbyHp/ GcWgo9/qf9Ox40qEMZHc2BdjJLOfaTLaBNB3V01Y+SOGeLuPoeH54to5w 1UUrucSFp30tzEvSegcpDeyhDzwi911BrlF5wJyFbVk1ybzdjWOHcl2EW A==; X-IronPort-AV: E=McAfee;i="6500,9779,10518"; a="310932227" X-IronPort-AV: E=Sophos;i="5.95,231,1661842800"; d="scan'208";a="310932227" Received: from orsmga006.jf.intel.com ([10.7.209.51]) by orsmga103.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 01 Nov 2022 12:10:26 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6500,9779,10518"; a="611951132" X-IronPort-AV: E=Sophos;i="5.95,231,1661842800"; d="scan'208";a="611951132" Received: from linux.intel.com ([10.54.29.200]) by orsmga006.jf.intel.com with ESMTP; 01 Nov 2022 12:10:26 -0700 Received: from debox1-desk4.intel.com (unknown [10.212.195.64]) by linux.intel.com (Postfix) with ESMTP id 15303580B9D; Tue, 1 Nov 2022 12:10:26 -0700 (PDT) From: "David E. Box" To: hdegoede@redhat.com, markgross@kernel.org, andriy.shevchenko@linux.intel.com, srinivas.pandruvada@intel.com Cc: "David E. Box" , platform-driver-x86@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH 1/9] platform/x86/intel/sdsi: Add Intel On Demand text Date: Tue, 1 Nov 2022 12:10:15 -0700 Message-Id: <20221101191023.4150315-2-david.e.box@linux.intel.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20221101191023.4150315-1-david.e.box@linux.intel.com> References: <20221101191023.4150315-1-david.e.box@linux.intel.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Intel Software Defined Silicon (SDSi) is now officially known as Intel On Demand. Add On Demand to the description in the kconfig, documentation, and driver source. Signed-off-by: David E. Box --- .../ABI/testing/sysfs-driver-intel_sdsi | 37 ++++++++++--------- drivers/platform/x86/intel/Kconfig | 8 ++-- drivers/platform/x86/intel/sdsi.c | 4 +- 3 files changed, 25 insertions(+), 24 deletions(-) diff --git a/Documentation/ABI/testing/sysfs-driver-intel_sdsi b/Documentation/ABI/testing/sysfs-driver-intel_sdsi index 96b92c105ec4..9d77f30d9b9a 100644 --- a/Documentation/ABI/testing/sysfs-driver-intel_sdsi +++ b/Documentation/ABI/testing/sysfs-driver-intel_sdsi @@ -4,21 +4,21 @@ KernelVersion: 5.18 Contact: "David E. Box" Description: This directory contains interface files for accessing Intel - Software Defined Silicon (SDSi) features on a CPU. X - represents the socket instance (though not the socket ID). - The socket ID is determined by reading the registers file - and decoding it per the specification. + On Demand (formerly Software Defined Silicon or SDSi) features + on a CPU. X represents the socket instance (though not the + socket ID). The socket ID is determined by reading the + registers file and decoding it per the specification. - Some files communicate with SDSi hardware through a mailbox. - Should the operation fail, one of the following error codes - may be returned: + Some files communicate with On Demand hardware through a + mailbox. Should the operation fail, one of the following error + codes may be returned: ========== ===== Error Code Cause ========== ===== EIO General mailbox failure. Log may indicate cause. EBUSY Mailbox is owned by another agent. - EPERM SDSI capability is not enabled in hardware. + EPERM On Demand capability is not enabled in hardware. EPROTO Failure in mailbox protocol detected by driver. See log for details. EOVERFLOW For provision commands, the size of the data @@ -54,8 +54,8 @@ KernelVersion: 5.18 Contact: "David E. Box" Description: (WO) Used to write an Authentication Key Certificate (AKC) to - the SDSi NVRAM for the CPU. The AKC is used to authenticate a - Capability Activation Payload. Mailbox command. + the On Demand NVRAM for the CPU. The AKC is used to authenticate + a Capability Activation Payload. Mailbox command. What: /sys/bus/auxiliary/devices/intel_vsec.sdsi.X/provision_cap Date: Feb 2022 @@ -63,17 +63,18 @@ KernelVersion: 5.18 Contact: "David E. Box" Description: (WO) Used to write a Capability Activation Payload (CAP) to the - SDSi NVRAM for the CPU. CAPs are used to activate a given CPU - feature. A CAP is validated by SDSi hardware using a previously - provisioned AKC file. Upon successful authentication, the CPU - configuration is updated. A cold reboot is required to fully - activate the feature. Mailbox command. + On Demand NVRAM for the CPU. CAPs are used to activate a given + CPU feature. A CAP is validated by On Demand hardware using a + previously provisioned AKC file. Upon successful authentication, + the CPU configuration is updated. A cold reboot is required to + fully activate the feature. Mailbox command. What: /sys/bus/auxiliary/devices/intel_vsec.sdsi.X/state_certificate Date: Feb 2022 KernelVersion: 5.18 Contact: "David E. Box" Description: - (RO) Used to read back the current State Certificate for the CPU - from SDSi hardware. The State Certificate contains information - about the current licenses on the CPU. Mailbox command. + (RO) Used to read back the current state certificate for the CPU + from On Demand hardware. The state certificate contains + information about the current licenses on the CPU. Mailbox + command. diff --git a/drivers/platform/x86/intel/Kconfig b/drivers/platform/x86/intel/Kconfig index 794968bda115..d5a33473e838 100644 --- a/drivers/platform/x86/intel/Kconfig +++ b/drivers/platform/x86/intel/Kconfig @@ -157,13 +157,13 @@ config INTEL_RST as usual. config INTEL_SDSI - tristate "Intel Software Defined Silicon Driver" + tristate "Intel On Demand (Software Defined Silicon) Driver" depends on INTEL_VSEC depends on X86_64 help - This driver enables access to the Intel Software Defined Silicon - interface used to provision silicon features with an authentication - certificate and capability license. + This driver enables access to the Intel On Demand (formerly Software + Defined Silicon) interface used to provision silicon features with an + authentication certificate and capability license. To compile this driver as a module, choose M here: the module will be called intel_sdsi. diff --git a/drivers/platform/x86/intel/sdsi.c b/drivers/platform/x86/intel/sdsi.c index c830e98dfa38..32793919473d 100644 --- a/drivers/platform/x86/intel/sdsi.c +++ b/drivers/platform/x86/intel/sdsi.c @@ -1,6 +1,6 @@ // SPDX-License-Identifier: GPL-2.0 /* - * Intel Software Defined Silicon driver + * Intel On Demand (Software Defined Silicon) driver * * Copyright (c) 2022, Intel Corporation. * All Rights Reserved. @@ -586,5 +586,5 @@ static struct auxiliary_driver sdsi_aux_driver = { module_auxiliary_driver(sdsi_aux_driver); MODULE_AUTHOR("David E. Box "); -MODULE_DESCRIPTION("Intel Software Defined Silicon driver"); +MODULE_DESCRIPTION("Intel On Demand (SDSi) driver"); MODULE_LICENSE("GPL"); -- 2.25.1