From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.1 (2015-04-28) on archive.lwn.net X-Spam-Level: X-Spam-Status: No, score=-5.8 required=5.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,RCVD_IN_DNSWL_HI autolearn=unavailable autolearn_force=no version=3.4.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by archive.lwn.net (Postfix) with ESMTP id 3C8DF7D09E for ; Tue, 3 Jul 2018 14:45:15 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932959AbeGCOob (ORCPT ); Tue, 3 Jul 2018 10:44:31 -0400 Received: from mga09.intel.com ([134.134.136.24]:61748 "EHLO mga09.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932234AbeGCOo3 (ORCPT ); Tue, 3 Jul 2018 10:44:29 -0400 X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga004.fm.intel.com ([10.253.24.48]) by orsmga102.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 03 Jul 2018 07:44:27 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.51,303,1526367600"; d="scan'208";a="68333222" Received: from marshy.an.intel.com ([10.122.105.159]) by fmsmga004.fm.intel.com with ESMTP; 03 Jul 2018 07:44:13 -0700 From: richard.gong@linux.intel.com To: catalin.marinas@arm.com, will.deacon@arm.com, dinguyen@kernel.org, robh+dt@kernel.org, mark.rutland@arm.com, atull@kernel.org, mdf@kernel.org, arnd@arndb.de, gregkh@linuxfoundation.org, corbet@lwn.net Cc: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, linux-fpga@vger.kernel.org, linux-doc@vger.kernel.org, yves.vandervennet@linux.intel.com, richard.gong@linux.intel.com, richard.gong@intel.com Subject: [PATCHv6 8/8] Documentation: driver-api: add stratix10 service layer Date: Tue, 3 Jul 2018 09:46:55 -0500 Message-Id: <1530629215-26990-9-git-send-email-richard.gong@linux.intel.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1530629215-26990-1-git-send-email-richard.gong@linux.intel.com> References: <1530629215-26990-1-git-send-email-richard.gong@linux.intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: linux-doc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-doc@vger.kernel.org From: Richard Gong Add new file stratix10-svc.rst Add stratix10-svc.rst to driver-api/index.rst Signed-off-by: Richard Gong Signed-off-by: Alan Tull --- v5: this patch is added in patch set version 5 v6: no change --- Documentation/driver-api/index.rst | 1 + Documentation/driver-api/stratix10-svc.rst | 32 ++++++++++++++++++++++++++++++ 2 files changed, 33 insertions(+) create mode 100644 Documentation/driver-api/stratix10-svc.rst diff --git a/Documentation/driver-api/index.rst b/Documentation/driver-api/index.rst index 6d9f2f9..d4d2671 100644 --- a/Documentation/driver-api/index.rst +++ b/Documentation/driver-api/index.rst @@ -53,6 +53,7 @@ available subsections can be seen below. slimbus soundwire/index fpga/index + stratix10-svc .. only:: subproject and html diff --git a/Documentation/driver-api/stratix10-svc.rst b/Documentation/driver-api/stratix10-svc.rst new file mode 100644 index 0000000..ed361d8 --- /dev/null +++ b/Documentation/driver-api/stratix10-svc.rst @@ -0,0 +1,32 @@ + +Intel Stratix10 SoC Service Layer +================================= + +Some features of the Intel Stratix10 SoC require a level of privilege +higher than the kernel is granted. Such secure features include +FPGA programming. In terms of the ARMv8 architecture, the kernel runs +at Exception Level 1 (EL1), access to the features requires +Exception Level 3 (EL3). + +The Intel Stratix10 SoC service layer provides an in kernel API for +drivers to request access to the secure features. The requests are queued +and processed one by one. ARM’s SMCCC is used to pass the execution +of the requests on to a secure monitor (EL3). + +.. kernel-doc:: include/linux/stratix10-svc-client.h + :functions: stratix10_svc_command_code + +.. kernel-doc:: include/linux/stratix10-svc-client.h + :functions: stratix10_svc_client_msg + +.. kernel-doc:: include/linux/stratix10-svc-client.h + :functions: stratix10_svc_command_reconfig_payload + +.. kernel-doc:: include/linux/stratix10-svc-client.h + :functions: stratix10_svc_cb_data + +.. kernel-doc:: include/linux/stratix10-svc-client.h + :functions: stratix10_svc_client + +.. kernel-doc:: drivers/misc/stratix10-svc.c + :export: -- 2.7.4 -- To unsubscribe from this list: send the line "unsubscribe linux-doc" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html