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target/i386: Expose VMX entry/exit load pkrs control bits

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Expose the VMX exit/entry load pkrs control bits in
VMX_TRUE_EXIT_CTLS/VMX_TRUE_ENTRY_CTLS MSRs to guest, which supports the
PKS in nested VM.

Signed-off-by: Chenyi Qiang <chenyi.qiang@intel.com>
Message-Id: <20210205083325.13880-3-chenyi.qiang@intel.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Chenyi Qiang 2021-02-05 16:33:25 +08:00 committed by Paolo Bonzini
parent 6aa4228bd6
commit 52a44ad2b9
2 changed files with 4 additions and 2 deletions
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4
target/i386/cpu.c
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@ -1215,7 +1215,7 @@ static FeatureWordInfo feature_word_info[FEATURE_WORDS] = {
"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, NULL, NULL, NULL,
NULL, "vmx-exit-load-pkrs", NULL, NULL,
},
.msr = {
.index = MSR_IA32_VMX_TRUE_EXIT_CTLS,
@ -1230,7 +1230,7 @@ static FeatureWordInfo feature_word_info[FEATURE_WORDS] = {
NULL, "vmx-entry-ia32e-mode", NULL, NULL,
NULL, "vmx-entry-load-perf-global-ctrl", "vmx-entry-load-pat", "vmx-entry-load-efer",
"vmx-entry-load-bndcfgs", NULL, "vmx-entry-load-rtit-ctl", NULL,
NULL, NULL, NULL, NULL,
NULL, NULL, "vmx-entry-load-pkrs", NULL,
NULL, NULL, NULL, NULL,
NULL, NULL, NULL, NULL,
},

2
target/i386/cpu.h
View File

@ -973,6 +973,7 @@ typedef uint64_t FeatureWordArray[FEATURE_WORDS];
#define VMX_VM_EXIT_CLEAR_BNDCFGS 0x00800000
#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_ENTRY_LOAD_DEBUG_CONTROLS 0x00000004
#define VMX_VM_ENTRY_IA32E_MODE 0x00000200
@ -984,6 +985,7 @@ typedef uint64_t FeatureWordArray[FEATURE_WORDS];
#define VMX_VM_ENTRY_LOAD_BNDCFGS 0x00010000
#define VMX_VM_ENTRY_PT_CONCEAL_PIP 0x00020000
#define VMX_VM_ENTRY_LOAD_IA32_RTIT_CTL 0x00040000
#define VMX_VM_ENTRY_LOAD_IA32_PKRS 0x00400000
/* Supported Hyper-V Enlightenments */
#define HYPERV_FEAT_RELAXED 0