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 mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id EA0B6C433F5 for ; Sat, 6 Nov 2021 01:34:13 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id D2E586120E for ; Sat, 6 Nov 2021 01:34:13 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233727AbhKFBgu (ORCPT ); Fri, 5 Nov 2021 21:36:50 -0400 Received: from mga12.intel.com ([192.55.52.136]:54627 "EHLO mga12.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233249AbhKFBgm (ORCPT ); Fri, 5 Nov 2021 21:36:42 -0400 X-IronPort-AV: E=McAfee;i="6200,9189,10159"; a="212059589" X-IronPort-AV: E=Sophos;i="5.87,212,1631602800"; d="scan'208";a="212059589" Received: from orsmga008.jf.intel.com ([10.7.209.65]) by fmsmga106.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 05 Nov 2021 18:34:02 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.87,212,1631602800"; d="scan'208";a="502194835" Received: from ranerica-svr.sc.intel.com ([172.25.110.23]) by orsmga008.jf.intel.com with ESMTP; 05 Nov 2021 18:34:01 -0700 From: Ricardo Neri To: "Rafael J. Wysocki" , Daniel Lezcano , linux-pm@vger.kernel.org Cc: x86@kernel.org, linux-doc@vger.kernel.org, Len Brown , Srinivas Pandruvada , Aubrey Li , Amit Kucheria , Andi Kleen , Tim Chen , "Ravi V. Shankar" , Ricardo Neri , linux-kernel@vger.kernel.org, Ricardo Neri Subject: [PATCH 2/7] x86: Add definitions for the Intel Hardware Feedback Interface Date: Fri, 5 Nov 2021 18:33:07 -0700 Message-Id: <20211106013312.26698-3-ricardo.neri-calderon@linux.intel.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20211106013312.26698-1-ricardo.neri-calderon@linux.intel.com> References: <20211106013312.26698-1-ricardo.neri-calderon@linux.intel.com> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Add the CPUID feature bit and the model-specific registers needed to identify and configure the Intel Hardware Feedback Interface. Cc: Andi Kleen Cc: Aubrey Li Cc: Len Brown Cc: Srinivas Pandruvada Cc: Tim Chen Cc: "Ravi V. Shankar" Signed-off-by: Ricardo Neri --- arch/x86/include/asm/cpufeatures.h | 1 + arch/x86/include/asm/msr-index.h | 6 ++++++ 2 files changed, 7 insertions(+) diff --git a/arch/x86/include/asm/cpufeatures.h b/arch/x86/include/asm/cpufeatures.h index d0ce5cfd3ac1..d76d8daf1b2b 100644 --- a/arch/x86/include/asm/cpufeatures.h +++ b/arch/x86/include/asm/cpufeatures.h @@ -325,6 +325,7 @@ #define X86_FEATURE_HWP_ACT_WINDOW (14*32+ 9) /* HWP Activity Window */ #define X86_FEATURE_HWP_EPP (14*32+10) /* HWP Energy Perf. Preference */ #define X86_FEATURE_HWP_PKG_REQ (14*32+11) /* HWP Package Level Request */ +#define X86_FEATURE_INTEL_HFI (14*32+19) /* Hardware Feedback Interface */ /* AMD SVM Feature Identification, CPUID level 0x8000000a (EDX), word 15 */ #define X86_FEATURE_NPT (15*32+ 0) /* Nested Page Table support */ diff --git a/arch/x86/include/asm/msr-index.h b/arch/x86/include/asm/msr-index.h index a7c413432b33..21076938cea0 100644 --- a/arch/x86/include/asm/msr-index.h +++ b/arch/x86/include/asm/msr-index.h @@ -685,12 +685,14 @@ #define PACKAGE_THERM_STATUS_PROCHOT (1 << 0) #define PACKAGE_THERM_STATUS_POWER_LIMIT (1 << 10) +#define PACKAGE_THERM_STATUS_HFI_UPDATED (1 << 26) #define MSR_IA32_PACKAGE_THERM_INTERRUPT 0x000001b2 #define PACKAGE_THERM_INT_HIGH_ENABLE (1 << 0) #define PACKAGE_THERM_INT_LOW_ENABLE (1 << 1) #define PACKAGE_THERM_INT_PLN_ENABLE (1 << 24) +#define PACKAGE_THERM_INT_HFI_ENABLE (1 << 25) /* Thermal Thresholds Support */ #define THERM_INT_THRESHOLD0_ENABLE (1 << 15) @@ -939,4 +941,8 @@ #define MSR_VM_IGNNE 0xc0010115 #define MSR_VM_HSAVE_PA 0xc0010117 +/* Hardware Feedback Interface */ +#define MSR_IA32_HW_FEEDBACK_PTR 0x17d0 +#define MSR_IA32_HW_FEEDBACK_CONFIG 0x17d1 + #endif /* _ASM_X86_MSR_INDEX_H */ -- 2.17.1