From patchwork Mon Aug 27 18:53:23 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jarkko Sakkinen X-Patchwork-Id: 10577499 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id B5548139B for ; Mon, 27 Aug 2018 18:55:55 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id A41C62A005 for ; Mon, 27 Aug 2018 18:55:55 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 96B5E2A00D; Mon, 27 Aug 2018 18:55:55 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.9 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI, RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 319102A005 for ; Mon, 27 Aug 2018 18:55:55 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727361AbeH0Wnm (ORCPT ); Mon, 27 Aug 2018 18:43:42 -0400 Received: from mga04.intel.com ([192.55.52.120]:64550 "EHLO mga04.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726826AbeH0Wnm (ORCPT ); Mon, 27 Aug 2018 18:43:42 -0400 X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga004.jf.intel.com ([10.7.209.38]) by fmsmga104.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 27 Aug 2018 11:55:53 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.53,296,1531810800"; d="scan'208";a="228079251" Received: from nitikasi-mobl.ger.corp.intel.com (HELO localhost) ([10.249.36.186]) by orsmga004.jf.intel.com with ESMTP; 27 Aug 2018 11:55:47 -0700 From: Jarkko Sakkinen To: x86@kernel.org, platform-driver-x86@vger.kernel.org Cc: dave.hansen@intel.com, sean.j.christopherson@intel.com, nhorman@redhat.com, npmccallum@redhat.com, linux-sgx@vger.kernel.org, Kai Huang , Jarkko Sakkinen , Thomas Gleixner , Ingo Molnar , "H. Peter Anvin" , Borislav Petkov , Konrad Rzeszutek Wilk , David Woodhouse , linux-kernel@vger.kernel.org (open list:X86 ARCHITECTURE (32-BIT AND 64-BIT)) Subject: [PATCH v13 02/13] x86/cpufeature: Add SGX and SGX_LC CPU features Date: Mon, 27 Aug 2018 21:53:23 +0300 Message-Id: <20180827185507.17087-3-jarkko.sakkinen@linux.intel.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20180827185507.17087-1-jarkko.sakkinen@linux.intel.com> References: <20180827185507.17087-1-jarkko.sakkinen@linux.intel.com> Sender: platform-driver-x86-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: platform-driver-x86@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP From: Kai Huang Add X86_FEATURE_SGX and X86_FEATURE_SGX_LC that define the bits determining whether the CPU supports SGX and user launch configuration i.e. using a custom root key rather the Intel proprietary key for enclave signing. Signed-off-by: Kai Huang Signed-off-by: Jarkko Sakkinen --- arch/x86/include/asm/cpufeatures.h | 2 ++ 1 file changed, 2 insertions(+) diff --git a/arch/x86/include/asm/cpufeatures.h b/arch/x86/include/asm/cpufeatures.h index 89a048c2faec..7bb647f57d42 100644 --- a/arch/x86/include/asm/cpufeatures.h +++ b/arch/x86/include/asm/cpufeatures.h @@ -236,6 +236,7 @@ /* Intel-defined CPU features, CPUID level 0x00000007:0 (EBX), word 9 */ #define X86_FEATURE_FSGSBASE ( 9*32+ 0) /* RDFSBASE, WRFSBASE, RDGSBASE, WRGSBASE instructions*/ #define X86_FEATURE_TSC_ADJUST ( 9*32+ 1) /* TSC adjustment MSR 0x3B */ +#define X86_FEATURE_SGX ( 9*32+ 2) /* Software Guard Extensions */ #define X86_FEATURE_BMI1 ( 9*32+ 3) /* 1st group bit manipulation extensions */ #define X86_FEATURE_HLE ( 9*32+ 4) /* Hardware Lock Elision */ #define X86_FEATURE_AVX2 ( 9*32+ 5) /* AVX2 instructions */ @@ -331,6 +332,7 @@ #define X86_FEATURE_LA57 (16*32+16) /* 5-level page tables */ #define X86_FEATURE_RDPID (16*32+22) /* RDPID instruction */ #define X86_FEATURE_CLDEMOTE (16*32+25) /* CLDEMOTE instruction */ +#define X86_FEATURE_SGX_LC (16*32+30) /* supports SGX launch configuration */ /* AMD-defined CPU features, CPUID level 0x80000007 (EBX), word 17 */ #define X86_FEATURE_OVERFLOW_RECOV (17*32+ 0) /* MCA overflow recovery support */