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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 55BD0C369DC for ; Mon, 21 Apr 2025 16:35:45 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: MIME-Version:References:In-Reply-To:Message-Id:Date:Subject:Cc:To:From: Reply-To:Content-Type:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=YWEssuEBBr4tKu86KInYgbn7SmP5Emu0oAFHvMzKI98=; b=MJr8hPckPjtTCFF372S11liypZ gZFBACviBU+39WjYf4TrDhST6U5GJACCNVPDWtqDj1LNhKoTsXrx3yF0EyUgZTBdiPN80U3oMojb0 qkKztqeGpX6JxhwO6WWYVpbgFiGHUtHEC6doJG7ZnsOvKf5uQUWlQTVoa05yj+neDAorodsQUlpTo J+hteSXv6kAE29b809jMVC9M+tweeL64cPNxijGBu4afaS5KGKGTws5M97wb/AFNxQT3uao5odoMG KGZ6CMqsrOIE+N+FRXuodYKg4zFRYUdlrD5ejJyCPvKORmEVTHt7minNGHOXFA4cM39gVrbrpOZ52 wIgVK1Rg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1u6u7U-00000004hF0-3Gxt; Mon, 21 Apr 2025 16:35:44 +0000 Received: from mx0a-00069f02.pphosted.com ([205.220.165.32]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1u6u70-00000004gy4-03V1 for kexec@lists.infradead.org; Mon, 21 Apr 2025 16:35:15 +0000 Received: from pps.filterd (m0246629.ppops.net [127.0.0.1]) by mx0b-00069f02.pphosted.com (8.18.1.2/8.18.1.2) with ESMTP id 53LCAnpW023188; Mon, 21 Apr 2025 16:34:52 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=oracle.com; h=cc :content-transfer-encoding:date:from:in-reply-to:message-id :mime-version:references:subject:to; s=corp-2023-11-20; bh=YWEss uEBBr4tKu86KInYgbn7SmP5Emu0oAFHvMzKI98=; b=SzZooK5Q1I6PWaR3mOhb7 P+dqW+qL/OtHZvnDqgFsx4X1vr8ncD/bb8xNG4v41DHGEwPy2saeAab1BxC2NBlq GuWEcTQ7/xaFR11cCPdNVDVVw6Yr/zDja+vlmfoVTcUiOl44HPsN42FNeSn4oeDj 0vi6ZEUuyuv8xeZ37dXDANzvBo+A3r/ip2l5Sha9ci6joAxUjrjnn1+bhzOd6ZWS yBYYkFT0youF82NVrmdS0mmysOSPvgFHV28ER/MqnHxTDSj1/qIh7AbrlV5tvKoF a0o/HXBLAPD9+FlYTuOvmh6Ptbp+ztN/fE56xeldaZQR+l6VUFtKtGy39KSGmiBY Q== Received: from phxpaimrmta02.imrmtpd1.prodappphxaev1.oraclevcn.com (phxpaimrmta02.appoci.oracle.com [147.154.114.232]) by mx0b-00069f02.pphosted.com (PPS) with ESMTPS id 4643q8ttty-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Mon, 21 Apr 2025 16:34:51 +0000 (GMT) Received: from pps.filterd (phxpaimrmta02.imrmtpd1.prodappphxaev1.oraclevcn.com [127.0.0.1]) by phxpaimrmta02.imrmtpd1.prodappphxaev1.oraclevcn.com (8.18.1.2/8.18.1.2) with ESMTP id 53LEwVVw002262; Mon, 21 Apr 2025 16:34:51 GMT Received: from pps.reinject (localhost [127.0.0.1]) by phxpaimrmta02.imrmtpd1.prodappphxaev1.oraclevcn.com (PPS) with ESMTPS id 46429882cj-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO); Mon, 21 Apr 2025 16:34:51 +0000 Received: from phxpaimrmta02.imrmtpd1.prodappphxaev1.oraclevcn.com (phxpaimrmta02.imrmtpd1.prodappphxaev1.oraclevcn.com [127.0.0.1]) by pps.reinject (8.17.1.5/8.17.1.5) with ESMTP id 53LGYoHd032853; Mon, 21 Apr 2025 16:34:50 GMT Received: from bur-virt-x6-2-100.us.oracle.com (bur-virt-x6-2-100.us.oracle.com [10.153.92.40]) by phxpaimrmta02.imrmtpd1.prodappphxaev1.oraclevcn.com (PPS) with ESMTPS id 46429882ah-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO); Mon, 21 Apr 2025 16:34:50 +0000 From: Ross Philipson To: linux-kernel@vger.kernel.org, x86@kernel.org, linux-integrity@vger.kernel.org, linux-doc@vger.kernel.org, linux-crypto@vger.kernel.org, kexec@lists.infradead.org, linux-efi@vger.kernel.org, iommu@lists.linux.dev Cc: ross.philipson@oracle.com, dpsmith@apertussolutions.com, tglx@linutronix.de, mingo@redhat.com, bp@alien8.de, hpa@zytor.com, dave.hansen@linux.intel.com, ardb@kernel.org, mjg59@srcf.ucam.org, James.Bottomley@hansenpartnership.com, peterhuewe@gmx.de, jarkko@kernel.org, jgg@ziepe.ca, luto@amacapital.net, nivedita@alum.mit.edu, herbert@gondor.apana.org.au, davem@davemloft.net, corbet@lwn.net, ebiederm@xmission.com, dwmw2@infradead.org, baolu.lu@linux.intel.com, kanth.ghatraju@oracle.com, andrew.cooper3@citrix.com, trenchboot-devel@googlegroups.com Subject: [PATCH v14 07/19] x86/msr: Add variable MTRR base/mask and x2apic ID registers Date: Mon, 21 Apr 2025 09:27:00 -0700 Message-Id: <20250421162712.77452-8-ross.philipson@oracle.com> X-Mailer: git-send-email 2.39.3 In-Reply-To: <20250421162712.77452-1-ross.philipson@oracle.com> References: <20250421162712.77452-1-ross.philipson@oracle.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1095,Hydra:6.0.680,FMLib:17.12.68.34 definitions=2025-04-21_08,2025-04-21_02,2024-11-22_01 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 adultscore=0 bulkscore=0 phishscore=0 malwarescore=0 suspectscore=0 spamscore=0 mlxscore=0 mlxlogscore=999 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2502280000 definitions=main-2504210129 X-Proofpoint-GUID: K4fbtksCDvMCHDiDi9Q-LB7Ia6Bwl_RL X-Proofpoint-ORIG-GUID: K4fbtksCDvMCHDiDi9Q-LB7Ia6Bwl_RL X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250421_093514_050557_2CCF8A14 X-CRM114-Status: UNSURE ( 8.67 ) X-CRM114-Notice: Please train this message. X-BeenThere: kexec@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "kexec" Errors-To: kexec-bounces+kexec=archiver.kernel.org@lists.infradead.org Add the MSR values required by Secure Launch to locate particular CPU cores during application processor (AP) startup, and restore the MTRR state after an Intel TXT launch. Signed-off-by: Ross Philipson --- arch/x86/include/asm/msr-index.h | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/arch/x86/include/asm/msr-index.h b/arch/x86/include/asm/msr-index.h index e6134ef2263d..97cc926c6d1b 100644 --- a/arch/x86/include/asm/msr-index.h +++ b/arch/x86/include/asm/msr-index.h @@ -366,6 +366,9 @@ #define MSR_IA32_RTIT_OUTPUT_BASE 0x00000560 #define MSR_IA32_RTIT_OUTPUT_MASK 0x00000561 +#define MSR_MTRRphysBase0 0x00000200 +#define MSR_MTRRphysMask0 0x00000201 + #define MSR_MTRRfix64K_00000 0x00000250 #define MSR_MTRRfix16K_80000 0x00000258 #define MSR_MTRRfix16K_A0000 0x00000259 @@ -890,6 +893,8 @@ #define MSR_IA32_APICBASE_ENABLE (1<<11) #define MSR_IA32_APICBASE_BASE (0xfffff<<12) +#define MSR_IA32_X2APIC_APICID 0x00000802 + #define MSR_IA32_UCODE_WRITE 0x00000079 #define MSR_IA32_UCODE_REV 0x0000008b -- 2.39.3