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From: Yang Zhong <yang.zhong@intel.com>
To: qemu-devel@nongnu.org
Cc: yang.zhong@intel.com, pbonzini@redhat.com, kai.huang@intel.com,
	seanjc@google.com
Subject: [RESEND PATCH 11/32] i386: Add feature control MSR dependency when SGX is enabled
Date: Fri, 30 Apr 2021 14:24:34 +0800	[thread overview]
Message-ID: <20210430062455.8117-12-yang.zhong@intel.com> (raw)
In-Reply-To: <20210430062455.8117-1-yang.zhong@intel.com>

From: Sean Christopherson <sean.j.christopherson@intel.com>

SGX adds multiple flags to FEATURE_CONTROL to enable SGX and Flexible
Launch Control.

Signed-off-by: Sean Christopherson <sean.j.christopherson@intel.com>
Signed-off-by: Yang Zhong <yang.zhong@intel.com>
---
 target/i386/kvm/kvm.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/target/i386/kvm/kvm.c b/target/i386/kvm/kvm.c
index 4463d638c4..fa495a6f9e 100644
--- a/target/i386/kvm/kvm.c
+++ b/target/i386/kvm/kvm.c
@@ -1789,6 +1789,11 @@ int kvm_arch_init_vcpu(CPUState *cs)
                                   !!(c->ecx & CPUID_EXT_SMX);
     }
 
+    c = cpuid_find_entry(&cpuid_data.cpuid, 7, 0);
+    if (c && (c->ebx & CPUID_7_0_EBX_SGX)) {
+        has_msr_feature_control = true;
+    }
+
     if (env->mcg_cap & MCG_LMCE_P) {
         has_msr_mcg_ext_ctl = has_msr_feature_control = true;
     }
-- 
2.29.2.334.gfaefdd61ec



  parent reply	other threads:[~2021-04-30  6:37 UTC|newest]

Thread overview: 53+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-04-30  6:24 [RESEND PATCH 00/32] Qemu SGX virtualization Yang Zhong
2021-04-30  6:24 ` [RESEND PATCH 01/32] memory: Add RAM_PROTECTED flag to skip IOMMU mappings Yang Zhong
2021-05-03 17:01   ` Paolo Bonzini
2021-05-07  5:24     ` Yang Zhong
2021-05-07 12:45       ` Paolo Bonzini
2021-05-08  6:30         ` Yang Zhong
2021-04-30  6:24 ` [RESEND PATCH 02/32] hostmem: Add hostmem-epc as a backend for SGX EPC Yang Zhong
2021-04-30  6:24 ` [RESEND PATCH 03/32] qom: Add memory-backend-epc ObjectOptions support Yang Zhong
2021-05-03 17:56   ` Eric Blake
2021-05-06 12:38     ` Yang Zhong
2021-04-30  6:24 ` [RESEND PATCH 04/32] i386: Add 'sgx-epc' device to expose EPC sections to guest Yang Zhong
2021-04-30  6:24 ` [RESEND PATCH 05/32] vl: Add "sgx-epc" option to expose SGX " Yang Zhong
2021-05-03 17:06   ` Paolo Bonzini
2021-05-03 17:08   ` Paolo Bonzini
2021-05-04  0:09     ` Sean Christopherson
2021-05-04  6:58       ` Paolo Bonzini
2021-05-04 16:20         ` Sean Christopherson
2021-05-04 16:33           ` Paolo Bonzini
2021-04-30  6:24 ` [RESEND PATCH 06/32] i386: Add primary SGX CPUID and MSR defines Yang Zhong
2021-04-30  6:24 ` [RESEND PATCH 07/32] i386: Add SGX CPUID leaf FEAT_SGX_12_0_EAX Yang Zhong
2021-04-30  6:24 ` [RESEND PATCH 08/32] i386: Add SGX CPUID leaf FEAT_SGX_12_0_EBX Yang Zhong
2021-04-30  6:24 ` [RESEND PATCH 09/32] i386: Add SGX CPUID leaf FEAT_SGX_12_1_EAX Yang Zhong
2021-04-30  6:24 ` [RESEND PATCH 10/32] i386: Add get/set/migrate support for SGX_LEPUBKEYHASH MSRs Yang Zhong
2021-04-30  6:24 ` Yang Zhong [this message]
2021-04-30  6:24 ` [RESEND PATCH 12/32] i386: Update SGX CPUID info according to hardware/KVM/user input Yang Zhong
2021-04-30  6:24 ` [RESEND PATCH 13/32] linux-headers: Add placeholder for KVM_CAP_SGX_ATTRIBUTE Yang Zhong
2021-05-06  2:17   ` Kai Huang
2021-05-06  7:11     ` Yang Zhong
2021-04-30  6:24 ` [RESEND PATCH 14/32] i386: kvm: Add support for exposing PROVISIONKEY to guest Yang Zhong
2021-04-30  6:24 ` [RESEND PATCH 15/32] i386: Propagate SGX CPUID sub-leafs to KVM Yang Zhong
2021-04-30  6:24 ` [RESEND PATCH 16/32] Adjust min CPUID level to 0x12 when SGX is enabled Yang Zhong
2021-04-30  6:24 ` [RESEND PATCH 17/32] hw/i386/fw_cfg: Set SGX bits in feature control fw_cfg accordingly Yang Zhong
2021-04-30  6:24 ` [RESEND PATCH 18/32] hw/i386/pc: Account for SGX EPC sections when calculating device memory Yang Zhong
2021-04-30  6:24 ` [RESEND PATCH 19/32] i386/pc: Add e820 entry for SGX EPC section(s) Yang Zhong
2021-04-30  6:24 ` [RESEND PATCH 20/32] i386: acpi: Add SGX EPC entry to ACPI tables Yang Zhong
2021-04-30  6:24 ` [RESEND PATCH 21/32] q35: Add support for SGX EPC Yang Zhong
2021-04-30  6:24 ` [RESEND PATCH 22/32] i440fx: " Yang Zhong
2021-04-30  6:24 ` [RESEND PATCH 23/32] hostmem: Add the reset interface for EPC backend reset Yang Zhong
2021-04-30  6:24 ` [RESEND PATCH 24/32] sgx-epc: Add the reset interface for sgx-epc virt device Yang Zhong
2021-04-30  6:24 ` [RESEND PATCH 25/32] qmp: Add query-sgx command Yang Zhong
2021-05-03 17:58   ` Eric Blake
2021-05-06  9:08     ` Yang Zhong
2021-04-30  6:24 ` [RESEND PATCH 26/32] hmp: Add 'info sgx' command Yang Zhong
2021-04-30  6:24 ` [RESEND PATCH 27/32] i386: Add sgx_get_info() interface Yang Zhong
2021-04-30  6:24 ` [RESEND PATCH 28/32] bitops: Support 32 and 64 bit mask macro Yang Zhong
2021-04-30  6:24 ` [RESEND PATCH 29/32] qmp: Add the qmp_query_sgx_capabilities() Yang Zhong
2021-05-03 18:00   ` Eric Blake
2021-05-06  8:57     ` Yang Zhong
2021-04-30  6:24 ` [RESEND PATCH 30/32] Kconfig: Add CONFIG_SGX support Yang Zhong
2021-04-30  6:24 ` [RESEND PATCH 31/32] sgx-epc: Add the fill_device_info() callback support Yang Zhong
2021-05-03 18:01   ` Eric Blake
2021-05-06  8:46     ` Yang Zhong
2021-04-30  6:24 ` [RESEND PATCH 32/32] doc: Add the SGX doc Yang Zhong

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