From patchwork Tue Nov 6 13:45:44 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jarkko Sakkinen X-Patchwork-Id: 10670465 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 2C34015E9 for ; Tue, 6 Nov 2018 13:50:10 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 17BAA29B9F for ; Tue, 6 Nov 2018 13:50:10 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 079E529BAC; Tue, 6 Nov 2018 13:50:10 +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 A401429B9F for ; Tue, 6 Nov 2018 13:50:09 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2388207AbeKFXP2 (ORCPT ); Tue, 6 Nov 2018 18:15:28 -0500 Received: from mga09.intel.com ([134.134.136.24]:53576 "EHLO mga09.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2388191AbeKFXP2 (ORCPT ); Tue, 6 Nov 2018 18:15:28 -0500 X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga002.jf.intel.com ([10.7.209.21]) by orsmga102.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 06 Nov 2018 05:50:08 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.54,472,1534834800"; d="scan'208";a="106322503" Received: from fhoeg-mobl.ger.corp.intel.com (HELO localhost) ([10.249.254.66]) by orsmga002.jf.intel.com with ESMTP; 06 Nov 2018 05:49:49 -0800 From: Jarkko Sakkinen To: x86@kernel.org, platform-driver-x86@vger.kernel.org, linux-sgx@vger.kernel.org Cc: dave.hansen@intel.com, sean.j.christopherson@intel.com, nhorman@redhat.com, npmccallum@redhat.com, serge.ayoun@intel.com, shay.katz-zamir@intel.com, haitao.huang@intel.com, andriy.shevchenko@linux.intel.com, tglx@linutronix.de, kai.svahn@intel.com, Kai Huang , Jarkko Sakkinen , Ingo Molnar , Borislav Petkov , "H. Peter Anvin" , Konrad Rzeszutek Wilk , David Woodhouse , linux-kernel@vger.kernel.org (open list:X86 ARCHITECTURE (32-BIT AND 64-BIT)) Subject: [PATCH v16 05/22] x86/cpufeatures: Add Intel-defined SGX_LC feature bit Date: Tue, 6 Nov 2018 15:45:44 +0200 Message-Id: <20181106134758.10572-6-jarkko.sakkinen@linux.intel.com> X-Mailer: git-send-email 2.19.1 In-Reply-To: <20181106134758.10572-1-jarkko.sakkinen@linux.intel.com> References: <20181106134758.10572-1-jarkko.sakkinen@linux.intel.com> MIME-Version: 1.0 Sender: linux-sgx-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-sgx@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP From: Kai Huang X86_FEATURE_SGX_LC reflects whether or not the CPU supports SGX Launch Control, i.e. enumerates the existence of IA32_FEATURE_CONTROL's SGX_LE_WR bit and the IA32_SGXLEPUBKEYHASH MSRs. Signed-off-by: Kai Huang Signed-off-by: Jarkko Sakkinen --- arch/x86/include/asm/cpufeatures.h | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/x86/include/asm/cpufeatures.h b/arch/x86/include/asm/cpufeatures.h index 1b8dea9a06cb..1213e68f87e7 100644 --- a/arch/x86/include/asm/cpufeatures.h +++ b/arch/x86/include/asm/cpufeatures.h @@ -341,6 +341,7 @@ #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) /* Software Guard Extensions Launch Control */ /* AMD-defined CPU features, CPUID level 0x80000007 (EBX), word 17 */ #define X86_FEATURE_OVERFLOW_RECOV (17*32+ 0) /* MCA overflow recovery support */