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x86 vmx: Add handlers for missing exit_reasons documented by Intel SDM 3B
Signed-off-by: Liu Yuan <yuan.b.liu@intel.com> Signed-off-by: Keir Fraser <keir.fraser@citrix.com>
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Keir Fraser committed
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@@ -2331,7 +2331,14 @@ asmlinkage void vmx_vmexit_handler(struct cpu_user_regs *regs)
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case EXIT_REASON_PENDING_VIRT_INTR:
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case EXIT_REASON_PENDING_VIRT_NMI:
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case EXIT_REASON_MCE_DURING_VMENTRY:
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case EXIT_REASON_GETSEC:
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case EXIT_REASON_ACCESS_GDTR_OR_IDTR:
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case EXIT_REASON_ACCESS_LDTR_OR_TR:
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case EXIT_REASON_VMX_PREEMPTION_TIMER_EXPIRED:
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case EXIT_REASON_INVEPT:
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case EXIT_REASON_INVVPID:
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break;
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default:
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v->arch.hvm_vmx.vmx_emulate = 1;
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perfc_incr(realmode_exits);
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@@ -2582,6 +2589,15 @@ asmlinkage void vmx_vmexit_handler(struct cpu_user_regs *regs)
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case EXIT_REASON_VMWRITE:
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case EXIT_REASON_VMXOFF:
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case EXIT_REASON_VMXON:
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case EXIT_REASON_GETSEC:
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case EXIT_REASON_INVEPT:
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case EXIT_REASON_INVVPID:
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/*
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* We should never exit on GETSEC because CR4.SMXE is always 0 when
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* running in guest context, and the CPU checks that before getting
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* as far as vmexit.
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*/
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WARN_ON(exit_reason == EXIT_REASON_GETSEC);
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vmx_inject_hw_exception(TRAP_invalid_op, HVM_DELIVER_NO_ERROR_CODE);
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break;
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@@ -2647,6 +2663,10 @@ asmlinkage void vmx_vmexit_handler(struct cpu_user_regs *regs)
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break;
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}
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case EXIT_REASON_ACCESS_GDTR_OR_IDTR:
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case EXIT_REASON_ACCESS_LDTR_OR_TR:
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case EXIT_REASON_VMX_PREEMPTION_TIMER_EXPIRED:
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/* fall through */
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default:
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exit_and_crash:
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gdprintk(XENLOG_ERR, "Bad vmexit (reason %x)\n", exit_reason);
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@@ -77,6 +77,7 @@ void vmx_update_debug_state(struct vcpu *v);
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#define EXIT_REASON_PENDING_VIRT_NMI 8
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#define EXIT_REASON_TASK_SWITCH 9
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#define EXIT_REASON_CPUID 10
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#define EXIT_REASON_GETSEC 11
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#define EXIT_REASON_HLT 12
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#define EXIT_REASON_INVD 13
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#define EXIT_REASON_INVLPG 14
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@@ -107,9 +108,14 @@ void vmx_update_debug_state(struct vcpu *v);
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#define EXIT_REASON_MCE_DURING_VMENTRY 41
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#define EXIT_REASON_TPR_BELOW_THRESHOLD 43
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#define EXIT_REASON_APIC_ACCESS 44
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#define EXIT_REASON_ACCESS_GDTR_OR_IDTR 46
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#define EXIT_REASON_ACCESS_LDTR_OR_TR 47
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#define EXIT_REASON_EPT_VIOLATION 48
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#define EXIT_REASON_EPT_MISCONFIG 49
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#define EXIT_REASON_INVEPT 50
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#define EXIT_REASON_RDTSCP 51
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#define EXIT_REASON_VMX_PREEMPTION_TIMER_EXPIRED 52
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#define EXIT_REASON_INVVPID 53
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#define EXIT_REASON_WBINVD 54
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#define EXIT_REASON_XSETBV 55
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