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a="31588480" X-IronPort-AV: E=Sophos;i="6.14,271,1736841600"; d="scan'208";a="31588480" X-CSE-ConnectionGUID: N3YfX5fhRDWeGrJegQyyAw== X-CSE-MsgGUID: Gqadn5AZR9ejQjmgIv0XLA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.14,271,1736841600"; d="scan'208";a="123944422" From: Dapeng Mi To: Paolo Bonzini , Sean Christopherson Cc: qemu-devel@nongnu.org, kvm@vger.kernel.org, Zhao Liu , Zide Chen , Xiaoyao Li , Dongli Zhang , Mingwei Zhang , Das Sandipan , Shukla Manali , Dapeng Mi , Dapeng Mi Subject: [PATCH 3/3] target/i386: Support VMX_VM_EXIT_SAVE_IA32_PERF_GLOBAL_CTRL Date: Mon, 24 Mar 2025 12:37:12 +0000 Message-Id: <20250324123712.34096-4-dapeng1.mi@linux.intel.com> X-Mailer: git-send-email 2.40.1 In-Reply-To: <20250324123712.34096-1-dapeng1.mi@linux.intel.com> References: <20250324123712.34096-1-dapeng1.mi@linux.intel.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: none client-ip=192.198.163.16; envelope-from=dapeng1.mi@linux.intel.com; helo=mgamail.intel.com X-Spam_score_int: -12 X-Spam_score: -1.3 X-Spam_bar: - X-Spam_report: (-1.3 / 5.0 requ) BAYES_00=-1.9, DATE_IN_FUTURE_03_06=3.027, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_MED=-2.3, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, RCVD_IN_VALIDITY_SAFE_BLOCKED=0.001, SPF_HELO_NONE=0.001, SPF_NONE=0.001, UPPERCASE_50_75=0.008 autolearn=no autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @intel.com) X-ZM-MESSAGEID: 1742800198799116600 Content-Type: text/plain; charset="utf-8" Since Sapphire Rapids starts, VMX instrocude a new bit SAVE_IA32_PERF_GLOBAL_CTRL in VMCS VM-EXIT control field to manage if vmx can save guest PERF_GLOBAL_CTRL MSR. This patch enables this feature. Signed-off-by: Dapeng Mi --- target/i386/cpu.c | 12 ++++++++---- target/i386/cpu.h | 1 + 2 files changed, 9 insertions(+), 4 deletions(-) diff --git a/target/i386/cpu.c b/target/i386/cpu.c index 1b64ceaaba..317ccc8b0a 100644 --- a/target/i386/cpu.c +++ b/target/i386/cpu.c @@ -1481,7 +1481,8 @@ FeatureWordInfo feature_word_info[FEATURE_WORDS] =3D { "vmx-exit-save-efer", "vmx-exit-load-efer", "vmx-exit-save-preemption-timer", "vmx-exit-clear-bndcfgs", NULL, "vmx-exit-clear-rtit-ctl", NULL, NULL, - NULL, "vmx-exit-load-pkrs", NULL, "vmx-exit-secondary-ctls", + NULL, "vmx-exit-load-pkrs", "vmx-exit-save-perf-global-ctrl", + "vmx-exit-secondary-ctls", }, .msr =3D { .index =3D MSR_IA32_VMX_TRUE_EXIT_CTLS, @@ -4212,7 +4213,8 @@ static const X86CPUDefinition builtin_x86_defs[] =3D { VMX_VM_EXIT_LOAD_IA32_PERF_GLOBAL_CTRL | VMX_VM_EXIT_ACK_INTR_ON_EXIT | VMX_VM_EXIT_SAVE_IA32_PAT | VMX_VM_EXIT_LOAD_IA32_PAT | VMX_VM_EXIT_SAVE_IA32_EFER | - VMX_VM_EXIT_LOAD_IA32_EFER | VMX_VM_EXIT_SAVE_VMX_PREEMPTION_T= IMER, + VMX_VM_EXIT_LOAD_IA32_EFER | VMX_VM_EXIT_SAVE_VMX_PREEMPTION_T= IMER | + VMX_VM_EXIT_SAVE_IA32_PERF_GLOBAL_CTRL, .features[FEAT_VMX_MISC] =3D MSR_VMX_MISC_STORE_LMA | MSR_VMX_MISC_ACTIVITY_HLT | MSR_VMX_MISC_VMWRITE_VMEXIT, @@ -4368,7 +4370,8 @@ static const X86CPUDefinition builtin_x86_defs[] =3D { VMX_VM_EXIT_LOAD_IA32_PERF_GLOBAL_CTRL | VMX_VM_EXIT_ACK_INTR_ON_EXIT | VMX_VM_EXIT_SAVE_IA32_PAT | VMX_VM_EXIT_LOAD_IA32_PAT | VMX_VM_EXIT_SAVE_IA32_EFER | - VMX_VM_EXIT_LOAD_IA32_EFER | VMX_VM_EXIT_SAVE_VMX_PREEMPTION_T= IMER, + VMX_VM_EXIT_LOAD_IA32_EFER | VMX_VM_EXIT_SAVE_VMX_PREEMPTION_T= IMER | + VMX_VM_EXIT_SAVE_IA32_PERF_GLOBAL_CTRL, .features[FEAT_VMX_MISC] =3D MSR_VMX_MISC_STORE_LMA | MSR_VMX_MISC_ACTIVITY_HLT | MSR_VMX_MISC_VMWRITE_VMEXIT, @@ -4511,7 +4514,8 @@ static const X86CPUDefinition builtin_x86_defs[] =3D { VMX_VM_EXIT_LOAD_IA32_PERF_GLOBAL_CTRL | VMX_VM_EXIT_ACK_INTR_ON_EXIT | VMX_VM_EXIT_SAVE_IA32_PAT | VMX_VM_EXIT_LOAD_IA32_PAT | VMX_VM_EXIT_SAVE_IA32_EFER | - VMX_VM_EXIT_LOAD_IA32_EFER | VMX_VM_EXIT_SAVE_VMX_PREEMPTION_T= IMER, + VMX_VM_EXIT_LOAD_IA32_EFER | VMX_VM_EXIT_SAVE_VMX_PREEMPTION_T= IMER | + VMX_VM_EXIT_SAVE_IA32_PERF_GLOBAL_CTRL, .features[FEAT_VMX_MISC] =3D MSR_VMX_MISC_STORE_LMA | MSR_VMX_MISC_ACTIVITY_HLT | MSR_VMX_MISC_VMWRITE_VMEXIT, diff --git a/target/i386/cpu.h b/target/i386/cpu.h index 76f24446a5..ad387e6ee7 100644 --- a/target/i386/cpu.h +++ b/target/i386/cpu.h @@ -1312,6 +1312,7 @@ uint64_t x86_cpu_get_supported_feature_word(X86CPU *c= pu, FeatureWord w); #define VMX_VM_EXIT_PT_CONCEAL_PIP 0x01000000 #define VMX_VM_EXIT_CLEAR_IA32_RTIT_CTL 0x02000000 #define VMX_VM_EXIT_LOAD_IA32_PKRS 0x20000000 +#define VMX_VM_EXIT_SAVE_IA32_PERF_GLOBAL_CTRL 0x40000000 #define VMX_VM_EXIT_ACTIVATE_SECONDARY_CONTROLS 0x80000000 =20 #define VMX_VM_ENTRY_LOAD_DEBUG_CONTROLS 0x00000004 --=20 2.40.1