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authorChenyi Qiang <chenyi.qiang@intel.com>2021-02-05 16:33:25 +0800
committerPaolo Bonzini <pbonzini@redhat.com>2021-02-08 15:15:32 +0100
commit52a44ad2b92ba4cd81c2b271cd5e4a2d820e91fc (patch)
treeb7e98ea6f6ba0322c30d284ef17aa85fc654b84d
parent6aa4228bd68cb251ccb5f802c015b494c6a10f19 (diff)
downloadfocaccia-qemu-52a44ad2b92ba4cd81c2b271cd5e4a2d820e91fc.tar.gz
focaccia-qemu-52a44ad2b92ba4cd81c2b271cd5e4a2d820e91fc.zip
target/i386: Expose VMX entry/exit load pkrs control bits
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>
-rw-r--r--target/i386/cpu.c4
-rw-r--r--target/i386/cpu.h2
2 files changed, 4 insertions, 2 deletions
diff --git a/target/i386/cpu.c b/target/i386/cpu.c
index 0b0d65c21c..9c3d2d60b7 100644
--- a/target/i386/cpu.c
+++ b/target/i386/cpu.c
@@ -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,
         },
diff --git a/target/i386/cpu.h b/target/i386/cpu.h
index cc5a26f35b..8d599bb5b8 100644
--- a/target/i386/cpu.h
+++ b/target/i386/cpu.h
@@ -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