Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752816AbdLKKQP (ORCPT ); Mon, 11 Dec 2017 05:16:15 -0500 Received: from mga06.intel.com ([134.134.136.31]:41491 "EHLO mga06.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752566AbdLKKQK (ORCPT ); Mon, 11 Dec 2017 05:16:10 -0500 X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.45,391,1508828400"; d="scan'208";a="1495984" From: Luwei Kang To: kvm@vger.kernel.org Cc: tglx@linutronix.de, mingo@redhat.com, hpa@zytor.com, x86@kernel.org, pbonzini@redhat.com, rkrcmar@redhat.com, linux-kernel@vger.kernel.org, joro@8bytes.org, Chao Peng , Luwei Kang Subject: [PATCH V4 08/11] KVM: x86: Add Intel processor trace context for each vcpu Date: Mon, 11 Dec 2017 04:30:54 +0800 Message-Id: <1512937857-10477-9-git-send-email-luwei.kang@intel.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1512937857-10477-1-git-send-email-luwei.kang@intel.com> References: <1512937857-10477-1-git-send-email-luwei.kang@intel.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2253 Lines: 75 From: Chao Peng Add a data structure to save Intel Processor Trace context. It mainly include the MSRs related Intel Processor Trace. Signed-off-by: Chao Peng Signed-off-by: Luwei Kang --- arch/x86/include/asm/msr-index.h | 1 + arch/x86/include/asm/vmx.h | 2 ++ arch/x86/kvm/vmx.c | 17 +++++++++++++++++ 3 files changed, 20 insertions(+) diff --git a/arch/x86/include/asm/msr-index.h b/arch/x86/include/asm/msr-index.h index fd98ef0..03ffde6 100644 --- a/arch/x86/include/asm/msr-index.h +++ b/arch/x86/include/asm/msr-index.h @@ -136,6 +136,7 @@ #define MSR_IA32_RTIT_ADDR2_B 0x00000585 #define MSR_IA32_RTIT_ADDR3_A 0x00000586 #define MSR_IA32_RTIT_ADDR3_B 0x00000587 +#define MSR_IA32_RTIT_ADDR_COUNT 8 #define MSR_IA32_RTIT_CR3_MATCH 0x00000572 #define MSR_IA32_RTIT_OUTPUT_BASE 0x00000560 #define MSR_IA32_RTIT_OUTPUT_MASK 0x00000561 diff --git a/arch/x86/include/asm/vmx.h b/arch/x86/include/asm/vmx.h index 27d5d37..9e828d4 100644 --- a/arch/x86/include/asm/vmx.h +++ b/arch/x86/include/asm/vmx.h @@ -240,6 +240,8 @@ enum vmcs_field { GUEST_PDPTR3_HIGH = 0x00002811, GUEST_BNDCFGS = 0x00002812, GUEST_BNDCFGS_HIGH = 0x00002813, + GUEST_IA32_RTIT_CTL = 0x00002814, + GUEST_IA32_RTIT_CTL_HIGH = 0x00002815, HOST_IA32_PAT = 0x00002c00, HOST_IA32_PAT_HIGH = 0x00002c01, HOST_IA32_EFER = 0x00002c02, diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c index e2de089..7761c25 100644 --- a/arch/x86/kvm/vmx.c +++ b/arch/x86/kvm/vmx.c @@ -581,6 +581,21 @@ static inline int pi_test_sn(struct pi_desc *pi_desc) (unsigned long *)&pi_desc->control); } +struct pt_ctx { + u64 ctl; + u64 status; + u64 output_base; + u64 output_mask; + u64 cr3_match; + u64 addrs[MSR_IA32_RTIT_ADDR_COUNT]; +}; + +struct pt_desc { + unsigned int addr_num; + struct pt_ctx host; + struct pt_ctx guest; +}; + struct vcpu_vmx { struct kvm_vcpu vcpu; unsigned long host_rsp; @@ -670,6 +685,8 @@ struct vcpu_vmx { */ u64 msr_ia32_feature_control; u64 msr_ia32_feature_control_valid_bits; + + struct pt_desc pt_desc; }; enum segment_cache_field { -- 1.8.3.1