Add FRED related VMCS fields to dump_vmcs() to have it dump FRED context.
Tested-by: Shan Kang shan.kang@intel.com Signed-off-by: Xin Li xin3.li@intel.com --- arch/x86/kvm/vmx/vmx.c | 48 ++++++++++++++++++++++++++++++++++++------ 1 file changed, 41 insertions(+), 7 deletions(-)
diff --git a/arch/x86/kvm/vmx/vmx.c b/arch/x86/kvm/vmx/vmx.c index 518e68ee5a0d..b826dc188fc7 100644 --- a/arch/x86/kvm/vmx/vmx.c +++ b/arch/x86/kvm/vmx/vmx.c @@ -6429,7 +6429,7 @@ void dump_vmcs(struct kvm_vcpu *vcpu) struct vcpu_vmx *vmx = to_vmx(vcpu); u32 vmentry_ctl, vmexit_ctl; u32 cpu_based_exec_ctrl, pin_based_exec_ctrl, secondary_exec_control; - u64 tertiary_exec_control; + u64 tertiary_exec_control, secondary_vmexit_ctl; unsigned long cr4; int efer_slot;
@@ -6440,6 +6440,8 @@ void dump_vmcs(struct kvm_vcpu *vcpu)
vmentry_ctl = vmcs_read32(VM_ENTRY_CONTROLS); vmexit_ctl = vmcs_read32(VM_EXIT_CONTROLS); + secondary_vmexit_ctl = cpu_has_secondary_vmexit_ctrls() ? + vmcs_read64(SECONDARY_VM_EXIT_CONTROLS) : 0; cpu_based_exec_ctrl = vmcs_read32(CPU_BASED_VM_EXEC_CONTROL); pin_based_exec_ctrl = vmcs_read32(PIN_BASED_VM_EXEC_CONTROL); cr4 = vmcs_readl(GUEST_CR4); @@ -6486,6 +6488,19 @@ void dump_vmcs(struct kvm_vcpu *vcpu) vmx_dump_sel("LDTR:", GUEST_LDTR_SELECTOR); vmx_dump_dtsel("IDTR:", GUEST_IDTR_LIMIT); vmx_dump_sel("TR: ", GUEST_TR_SELECTOR); +#ifdef CONFIG_X86_64 + if (cpu_feature_enabled(X86_FEATURE_FRED)) { + pr_err("FRED guest: config=0x%016llx, stack levels=0x%016llx\n" + "RSP0=0x%016lx, RSP1=0x%016llx\n" + "RSP2=0x%016llx, RSP3=0x%016llx\n", + vmcs_read64(GUEST_IA32_FRED_CONFIG), + vmcs_read64(GUEST_IA32_FRED_STKLVLS), + read_msr(MSR_IA32_FRED_RSP0), + vmcs_read64(GUEST_IA32_FRED_RSP1), + vmcs_read64(GUEST_IA32_FRED_RSP2), + vmcs_read64(GUEST_IA32_FRED_RSP3)); + } +#endif efer_slot = vmx_find_loadstore_msr_slot(&vmx->msr_autoload.guest, MSR_EFER); if (vmentry_ctl & VM_ENTRY_LOAD_IA32_EFER) pr_err("EFER= 0x%016llx\n", vmcs_read64(GUEST_IA32_EFER)); @@ -6533,6 +6548,19 @@ void dump_vmcs(struct kvm_vcpu *vcpu) vmcs_readl(HOST_TR_BASE)); pr_err("GDTBase=%016lx IDTBase=%016lx\n", vmcs_readl(HOST_GDTR_BASE), vmcs_readl(HOST_IDTR_BASE)); +#ifdef CONFIG_X86_64 + if (cpu_feature_enabled(X86_FEATURE_FRED)) { + pr_err("FRED host: config=0x%016llx, stack levels=0x%016llx\n" + "RSP0=0x%016llx, RSP1=0x%016llx\n" + "RSP2=0x%016llx, RSP3=0x%016llx\n", + vmcs_read64(HOST_IA32_FRED_CONFIG), + vmcs_read64(HOST_IA32_FRED_STKLVLS), + vmx->msr_host_fred_rsp0, + vmcs_read64(HOST_IA32_FRED_RSP1), + vmcs_read64(HOST_IA32_FRED_RSP2), + vmcs_read64(HOST_IA32_FRED_RSP3)); + } +#endif pr_err("CR0=%016lx CR3=%016lx CR4=%016lx\n", vmcs_readl(HOST_CR0), vmcs_readl(HOST_CR3), vmcs_readl(HOST_CR4)); @@ -6554,25 +6582,31 @@ void dump_vmcs(struct kvm_vcpu *vcpu) pr_err("*** Control State ***\n"); pr_err("CPUBased=0x%08x SecondaryExec=0x%08x TertiaryExec=0x%016llx\n", cpu_based_exec_ctrl, secondary_exec_control, tertiary_exec_control); - pr_err("PinBased=0x%08x EntryControls=%08x ExitControls=%08x\n", - pin_based_exec_ctrl, vmentry_ctl, vmexit_ctl); + pr_err("PinBased=0x%08x EntryControls=0x%08x\n", + pin_based_exec_ctrl, vmentry_ctl); + pr_err("ExitControls=0x%08x SecondaryExitControls=0x%016llx\n", + vmexit_ctl, secondary_vmexit_ctl); pr_err("ExceptionBitmap=%08x PFECmask=%08x PFECmatch=%08x\n", vmcs_read32(EXCEPTION_BITMAP), vmcs_read32(PAGE_FAULT_ERROR_CODE_MASK), vmcs_read32(PAGE_FAULT_ERROR_CODE_MATCH)); - pr_err("VMEntry: intr_info=%08x errcode=%08x ilen=%08x\n", + pr_err("VMEntry: intr_info=%08x errcode=%08x ilen=%08x event data=%016llx\n", vmcs_read32(VM_ENTRY_INTR_INFO_FIELD), vmcs_read32(VM_ENTRY_EXCEPTION_ERROR_CODE), - vmcs_read32(VM_ENTRY_INSTRUCTION_LEN)); + vmcs_read32(VM_ENTRY_INSTRUCTION_LEN), + cpu_feature_enabled(X86_FEATURE_FRED) ? + vmcs_read64(INJECTED_EVENT_DATA) : 0); pr_err("VMExit: intr_info=%08x errcode=%08x ilen=%08x\n", vmcs_read32(VM_EXIT_INTR_INFO), vmcs_read32(VM_EXIT_INTR_ERROR_CODE), vmcs_read32(VM_EXIT_INSTRUCTION_LEN)); pr_err(" reason=%08x qualification=%016lx\n", vmcs_read32(VM_EXIT_REASON), vmcs_readl(EXIT_QUALIFICATION)); - pr_err("IDTVectoring: info=%08x errcode=%08x\n", + pr_err("IDTVectoring: info=%08x errcode=%08x event data=%016llx\n", vmcs_read32(IDT_VECTORING_INFO_FIELD), - vmcs_read32(IDT_VECTORING_ERROR_CODE)); + vmcs_read32(IDT_VECTORING_ERROR_CODE), + cpu_feature_enabled(X86_FEATURE_FRED) ? + vmcs_read64(ORIGINAL_EVENT_DATA) : 0); pr_err("TSC Offset = 0x%016llx\n", vmcs_read64(TSC_OFFSET)); if (secondary_exec_control & SECONDARY_EXEC_TSC_SCALING) pr_err("TSC Multiplier = 0x%016llx\n",