From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932641AbeCEB5Q (ORCPT ); Sun, 4 Mar 2018 20:57:16 -0500 Received: from mga14.intel.com ([192.55.52.115]:39574 "EHLO mga14.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932119AbeCEB5H (ORCPT ); Sun, 4 Mar 2018 20:57:07 -0500 X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.47,425,1515484800"; d="scan'208";a="21986085" 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 v5 06/11] KVM: x86: Add Intel processor trace context for each vcpu Date: Sun, 4 Mar 2018 20:07:16 +0800 Message-Id: <1520165241-15819-7-git-send-email-luwei.kang@intel.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1520165241-15819-1-git-send-email-luwei.kang@intel.com> References: <1520165241-15819-1-git-send-email-luwei.kang@intel.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Chao Peng Add a data structure to save Intel Processor Trace context. It mainly include the value of Intel PT host/guest MSRs and guest CPUID information. Signed-off-by: Chao Peng Signed-off-by: Luwei Kang --- arch/x86/kvm/vmx.c | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c index 7a0e48c..3d0de12 100644 --- a/arch/x86/kvm/vmx.c +++ b/arch/x86/kvm/vmx.c @@ -589,6 +589,23 @@ 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 { + u64 ctl_bitmask; + u32 range_cnt; + u32 caps[PT_CPUID_REGS_NUM * PT_CPUID_LEAVES]; + struct pt_ctx host; + struct pt_ctx guest; +}; + struct vcpu_vmx { struct kvm_vcpu vcpu; unsigned long host_rsp; @@ -685,6 +702,8 @@ 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