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authorLinus Torvalds <torvalds@linux-foundation.org>2024-01-17 13:03:37 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2024-01-17 13:03:37 -0800
commit09d1c6a80f2cf94c6e70be919203473d4ab8e26c (patch)
tree144604e6cf9f513c45c4d035548ac1760e7dac11 /arch/x86/kvm/vmx/hyperv.c
parent1b1934dbbdcf9aa2d507932ff488cec47999cf3f (diff)
parent1c6d984f523f67ecfad1083bb04c55d91977bb15 (diff)
Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm
Pull kvm updates from Paolo Bonzini: "Generic: - Use memdup_array_user() to harden against overflow. - Unconditionally advertise KVM_CAP_DEVICE_CTRL for all architectures. - Clean up Kconfigs that all KVM architectures were selecting - New functionality around "guest_memfd", a new userspace API that creates an anonymous file and returns a file descriptor that refers to it. guest_memfd files are bound to their owning virtual machine, cannot be mapped, read, or written by userspace, and cannot be resized. guest_memfd files do however support PUNCH_HOLE, which can be used to switch a memory area between guest_memfd and regular anonymous memory. - New ioctl KVM_SET_MEMORY_ATTRIBUTES allowing userspace to specify per-page attributes for a given page of guest memory; right now the only attribute is whether the guest expects to access memory via guest_memfd or not, which in Confidential SVMs backed by SEV-SNP, TDX or ARM64 pKVM is checked by firmware or hypervisor that guarantees confidentiality (AMD PSP, Intel TDX module, or EL2 in the case of pKVM). x86: - Support for "software-protected VMs" that can use the new guest_memfd and page attributes infrastructure. This is mostly useful for testing, since there is no pKVM-like infrastructure to provide a meaningfully reduced TCB. - Fix a relatively benign off-by-one error when splitting huge pages during CLEAR_DIRTY_LOG. - Fix a bug where KVM could incorrectly test-and-clear dirty bits in non-leaf TDP MMU SPTEs if a racing thread replaces a huge SPTE with a non-huge SPTE. - Use more generic lockdep assertions in paths that don't actually care about whether the caller is a reader or a writer. - let Xen guests opt out of having PV clock reported as "based on a stable TSC", because some of them don't expect the "TSC stable" bit (added to the pvclock ABI by KVM, but never set by Xen) to be set. - Revert a bogus, made-up nested SVM consistency check for TLB_CONTROL. - Advertise flush-by-ASID support for nSVM unconditionally, as KVM always flushes on nested transitions, i.e. always satisfies flush requests. This allows running bleeding edge versions of VMware Workstation on top of KVM. - Sanity check that the CPU supports flush-by-ASID when enabling SEV support. - On AMD machines with vNMI, always rely on hardware instead of intercepting IRET in some cases to detect unmasking of NMIs - Support for virtualizing Linear Address Masking (LAM) - Fix a variety of vPMU bugs where KVM fail to stop/reset counters and other state prior to refreshing the vPMU model. - Fix a double-overflow PMU bug by tracking emulated counter events using a dedicated field instead of snapshotting the "previous" counter. If the hardware PMC count triggers overflow that is recognized in the same VM-Exit that KVM manually bumps an event count, KVM would pend PMIs for both the hardware-triggered overflow and for KVM-triggered overflow. - Turn off KVM_WERROR by default for all configs so that it's not inadvertantly enabled by non-KVM developers, which can be problematic for subsystems that require no regressions for W=1 builds. - Advertise all of the host-supported CPUID bits that enumerate IA32_SPEC_CTRL "features". - Don't force a masterclock update when a vCPU synchronizes to the current TSC generation, as updating the masterclock can cause kvmclock's time to "jump" unexpectedly, e.g. when userspace hotplugs a pre-created vCPU. - Use RIP-relative address to read kvm_rebooting in the VM-Enter fault paths, partly as a super minor optimization, but mostly to make KVM play nice with position independent executable builds. - Guard KVM-on-HyperV's range-based TLB flush hooks with an #ifdef on CONFIG_HYPERV as a minor optimization, and to self-document the code. - Add CONFIG_KVM_HYPERV to allow disabling KVM support for HyperV "emulation" at build time. ARM64: - LPA2 support, adding 52bit IPA/PA capability for 4kB and 16kB base granule sizes. Branch shared with the arm64 tree. - Large Fine-Grained Trap rework, bringing some sanity to the feature, although there is more to come. This comes with a prefix branch shared with the arm64 tree. - Some additional Nested Virtualization groundwork, mostly introducing the NV2 VNCR support and retargetting the NV support to that version of the architecture. - A small set of vgic fixes and associated cleanups. Loongarch: - Optimization for memslot hugepage checking - Cleanup and fix some HW/SW timer issues - Add LSX/LASX (128bit/256bit SIMD) support RISC-V: - KVM_GET_REG_LIST improvement for vector registers - Generate ISA extension reg_list using macros in get-reg-list selftest - Support for reporting steal time along with selftest s390: - Bugfixes Selftests: - Fix an annoying goof where the NX hugepage test prints out garbage instead of the magic token needed to run the test. - Fix build errors when a header is delete/moved due to a missing flag in the Makefile. - Detect if KVM bugged/killed a selftest's VM and print out a helpful message instead of complaining that a random ioctl() failed. - Annotate the guest printf/assert helpers with __printf(), and fix the various bugs that were lurking due to lack of said annotation" * tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm: (185 commits) x86/kvm: Do not try to disable kvmclock if it was not enabled KVM: x86: add missing "depends on KVM" KVM: fix direction of dependency on MMU notifiers KVM: introduce CONFIG_KVM_COMMON KVM: arm64: Add missing memory barriers when switching to pKVM's hyp pgd KVM: arm64: vgic-its: Avoid potential UAF in LPI translation cache RISC-V: KVM: selftests: Add get-reg-list test for STA registers RISC-V: KVM: selftests: Add steal_time test support RISC-V: KVM: selftests: Add guest_sbi_probe_extension RISC-V: KVM: selftests: Move sbi_ecall to processor.c RISC-V: KVM: Implement SBI STA extension RISC-V: KVM: Add support for SBI STA registers RISC-V: KVM: Add support for SBI extension registers RISC-V: KVM: Add SBI STA info to vcpu_arch RISC-V: KVM: Add steal-update vcpu request RISC-V: KVM: Add SBI STA extension skeleton RISC-V: paravirt: Implement steal-time support RISC-V: Add SBI STA extension definitions RISC-V: paravirt: Add skeleton for pv-time support RISC-V: KVM: Fix indentation in kvm_riscv_vcpu_set_reg_csr() ...
Diffstat (limited to 'arch/x86/kvm/vmx/hyperv.c')
-rw-r--r--arch/x86/kvm/vmx/hyperv.c447
1 files changed, 0 insertions, 447 deletions
diff --git a/arch/x86/kvm/vmx/hyperv.c b/arch/x86/kvm/vmx/hyperv.c
index 313b8bb5b8a7..fab6a1ad98dc 100644
--- a/arch/x86/kvm/vmx/hyperv.c
+++ b/arch/x86/kvm/vmx/hyperv.c
@@ -13,419 +13,6 @@
#define CC KVM_NESTED_VMENTER_CONSISTENCY_CHECK
-/*
- * Enlightened VMCSv1 doesn't support these:
- *
- * POSTED_INTR_NV = 0x00000002,
- * GUEST_INTR_STATUS = 0x00000810,
- * APIC_ACCESS_ADDR = 0x00002014,
- * POSTED_INTR_DESC_ADDR = 0x00002016,
- * EOI_EXIT_BITMAP0 = 0x0000201c,
- * EOI_EXIT_BITMAP1 = 0x0000201e,
- * EOI_EXIT_BITMAP2 = 0x00002020,
- * EOI_EXIT_BITMAP3 = 0x00002022,
- * GUEST_PML_INDEX = 0x00000812,
- * PML_ADDRESS = 0x0000200e,
- * VM_FUNCTION_CONTROL = 0x00002018,
- * EPTP_LIST_ADDRESS = 0x00002024,
- * VMREAD_BITMAP = 0x00002026,
- * VMWRITE_BITMAP = 0x00002028,
- *
- * TSC_MULTIPLIER = 0x00002032,
- * PLE_GAP = 0x00004020,
- * PLE_WINDOW = 0x00004022,
- * VMX_PREEMPTION_TIMER_VALUE = 0x0000482E,
- *
- * Currently unsupported in KVM:
- * GUEST_IA32_RTIT_CTL = 0x00002814,
- */
-#define EVMCS1_SUPPORTED_PINCTRL \
- (PIN_BASED_ALWAYSON_WITHOUT_TRUE_MSR | \
- PIN_BASED_EXT_INTR_MASK | \
- PIN_BASED_NMI_EXITING | \
- PIN_BASED_VIRTUAL_NMIS)
-
-#define EVMCS1_SUPPORTED_EXEC_CTRL \
- (CPU_BASED_ALWAYSON_WITHOUT_TRUE_MSR | \
- CPU_BASED_HLT_EXITING | \
- CPU_BASED_CR3_LOAD_EXITING | \
- CPU_BASED_CR3_STORE_EXITING | \
- CPU_BASED_UNCOND_IO_EXITING | \
- CPU_BASED_MOV_DR_EXITING | \
- CPU_BASED_USE_TSC_OFFSETTING | \
- CPU_BASED_MWAIT_EXITING | \
- CPU_BASED_MONITOR_EXITING | \
- CPU_BASED_INVLPG_EXITING | \
- CPU_BASED_RDPMC_EXITING | \
- CPU_BASED_INTR_WINDOW_EXITING | \
- CPU_BASED_CR8_LOAD_EXITING | \
- CPU_BASED_CR8_STORE_EXITING | \
- CPU_BASED_RDTSC_EXITING | \
- CPU_BASED_TPR_SHADOW | \
- CPU_BASED_USE_IO_BITMAPS | \
- CPU_BASED_MONITOR_TRAP_FLAG | \
- CPU_BASED_USE_MSR_BITMAPS | \
- CPU_BASED_NMI_WINDOW_EXITING | \
- CPU_BASED_PAUSE_EXITING | \
- CPU_BASED_ACTIVATE_SECONDARY_CONTROLS)
-
-#define EVMCS1_SUPPORTED_2NDEXEC \
- (SECONDARY_EXEC_VIRTUALIZE_X2APIC_MODE | \
- SECONDARY_EXEC_WBINVD_EXITING | \
- SECONDARY_EXEC_ENABLE_VPID | \
- SECONDARY_EXEC_ENABLE_EPT | \
- SECONDARY_EXEC_UNRESTRICTED_GUEST | \
- SECONDARY_EXEC_DESC | \
- SECONDARY_EXEC_ENABLE_RDTSCP | \
- SECONDARY_EXEC_ENABLE_INVPCID | \
- SECONDARY_EXEC_ENABLE_XSAVES | \
- SECONDARY_EXEC_RDSEED_EXITING | \
- SECONDARY_EXEC_RDRAND_EXITING | \
- SECONDARY_EXEC_TSC_SCALING | \
- SECONDARY_EXEC_ENABLE_USR_WAIT_PAUSE | \
- SECONDARY_EXEC_PT_USE_GPA | \
- SECONDARY_EXEC_PT_CONCEAL_VMX | \
- SECONDARY_EXEC_BUS_LOCK_DETECTION | \
- SECONDARY_EXEC_NOTIFY_VM_EXITING | \
- SECONDARY_EXEC_ENCLS_EXITING)
-
-#define EVMCS1_SUPPORTED_3RDEXEC (0ULL)
-
-#define EVMCS1_SUPPORTED_VMEXIT_CTRL \
- (VM_EXIT_ALWAYSON_WITHOUT_TRUE_MSR | \
- VM_EXIT_SAVE_DEBUG_CONTROLS | \
- VM_EXIT_ACK_INTR_ON_EXIT | \
- VM_EXIT_HOST_ADDR_SPACE_SIZE | \
- VM_EXIT_LOAD_IA32_PERF_GLOBAL_CTRL | \
- VM_EXIT_SAVE_IA32_PAT | \
- VM_EXIT_LOAD_IA32_PAT | \
- VM_EXIT_SAVE_IA32_EFER | \
- VM_EXIT_LOAD_IA32_EFER | \
- VM_EXIT_CLEAR_BNDCFGS | \
- VM_EXIT_PT_CONCEAL_PIP | \
- VM_EXIT_CLEAR_IA32_RTIT_CTL)
-
-#define EVMCS1_SUPPORTED_VMENTRY_CTRL \
- (VM_ENTRY_ALWAYSON_WITHOUT_TRUE_MSR | \
- VM_ENTRY_LOAD_DEBUG_CONTROLS | \
- VM_ENTRY_IA32E_MODE | \
- VM_ENTRY_LOAD_IA32_PERF_GLOBAL_CTRL | \
- VM_ENTRY_LOAD_IA32_PAT | \
- VM_ENTRY_LOAD_IA32_EFER | \
- VM_ENTRY_LOAD_BNDCFGS | \
- VM_ENTRY_PT_CONCEAL_PIP | \
- VM_ENTRY_LOAD_IA32_RTIT_CTL)
-
-#define EVMCS1_SUPPORTED_VMFUNC (0)
-
-#define EVMCS1_OFFSET(x) offsetof(struct hv_enlightened_vmcs, x)
-#define EVMCS1_FIELD(number, name, clean_field)[ROL16(number, 6)] = \
- {EVMCS1_OFFSET(name), clean_field}
-
-const struct evmcs_field vmcs_field_to_evmcs_1[] = {
- /* 64 bit rw */
- EVMCS1_FIELD(GUEST_RIP, guest_rip,
- HV_VMX_ENLIGHTENED_CLEAN_FIELD_NONE),
- EVMCS1_FIELD(GUEST_RSP, guest_rsp,
- HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_BASIC),
- EVMCS1_FIELD(GUEST_RFLAGS, guest_rflags,
- HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_BASIC),
- EVMCS1_FIELD(HOST_IA32_PAT, host_ia32_pat,
- HV_VMX_ENLIGHTENED_CLEAN_FIELD_HOST_GRP1),
- EVMCS1_FIELD(HOST_IA32_EFER, host_ia32_efer,
- HV_VMX_ENLIGHTENED_CLEAN_FIELD_HOST_GRP1),
- EVMCS1_FIELD(HOST_IA32_PERF_GLOBAL_CTRL, host_ia32_perf_global_ctrl,
- HV_VMX_ENLIGHTENED_CLEAN_FIELD_HOST_GRP1),
- EVMCS1_FIELD(HOST_CR0, host_cr0,
- HV_VMX_ENLIGHTENED_CLEAN_FIELD_HOST_GRP1),
- EVMCS1_FIELD(HOST_CR3, host_cr3,
- HV_VMX_ENLIGHTENED_CLEAN_FIELD_HOST_GRP1),
- EVMCS1_FIELD(HOST_CR4, host_cr4,
- HV_VMX_ENLIGHTENED_CLEAN_FIELD_HOST_GRP1),
- EVMCS1_FIELD(HOST_IA32_SYSENTER_ESP, host_ia32_sysenter_esp,
- HV_VMX_ENLIGHTENED_CLEAN_FIELD_HOST_GRP1),
- EVMCS1_FIELD(HOST_IA32_SYSENTER_EIP, host_ia32_sysenter_eip,
- HV_VMX_ENLIGHTENED_CLEAN_FIELD_HOST_GRP1),
- EVMCS1_FIELD(HOST_RIP, host_rip,
- HV_VMX_ENLIGHTENED_CLEAN_FIELD_HOST_GRP1),
- EVMCS1_FIELD(IO_BITMAP_A, io_bitmap_a,
- HV_VMX_ENLIGHTENED_CLEAN_FIELD_IO_BITMAP),
- EVMCS1_FIELD(IO_BITMAP_B, io_bitmap_b,
- HV_VMX_ENLIGHTENED_CLEAN_FIELD_IO_BITMAP),
- EVMCS1_FIELD(MSR_BITMAP, msr_bitmap,
- HV_VMX_ENLIGHTENED_CLEAN_FIELD_MSR_BITMAP),
- EVMCS1_FIELD(GUEST_ES_BASE, guest_es_base,
- HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_GRP2),
- EVMCS1_FIELD(GUEST_CS_BASE, guest_cs_base,
- HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_GRP2),
- EVMCS1_FIELD(GUEST_SS_BASE, guest_ss_base,
- HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_GRP2),
- EVMCS1_FIELD(GUEST_DS_BASE, guest_ds_base,
- HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_GRP2),
- EVMCS1_FIELD(GUEST_FS_BASE, guest_fs_base,
- HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_GRP2),
- EVMCS1_FIELD(GUEST_GS_BASE, guest_gs_base,
- HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_GRP2),
- EVMCS1_FIELD(GUEST_LDTR_BASE, guest_ldtr_base,
- HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_GRP2),
- EVMCS1_FIELD(GUEST_TR_BASE, guest_tr_base,
- HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_GRP2),
- EVMCS1_FIELD(GUEST_GDTR_BASE, guest_gdtr_base,
- HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_GRP2),
- EVMCS1_FIELD(GUEST_IDTR_BASE, guest_idtr_base,
- HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_GRP2),
- EVMCS1_FIELD(TSC_OFFSET, tsc_offset,
- HV_VMX_ENLIGHTENED_CLEAN_FIELD_CONTROL_GRP2),
- EVMCS1_FIELD(VIRTUAL_APIC_PAGE_ADDR, virtual_apic_page_addr,
- HV_VMX_ENLIGHTENED_CLEAN_FIELD_CONTROL_GRP2),
- EVMCS1_FIELD(VMCS_LINK_POINTER, vmcs_link_pointer,
- HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_GRP1),
- EVMCS1_FIELD(GUEST_IA32_DEBUGCTL, guest_ia32_debugctl,
- HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_GRP1),
- EVMCS1_FIELD(GUEST_IA32_PAT, guest_ia32_pat,
- HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_GRP1),
- EVMCS1_FIELD(GUEST_IA32_EFER, guest_ia32_efer,
- HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_GRP1),
- EVMCS1_FIELD(GUEST_IA32_PERF_GLOBAL_CTRL, guest_ia32_perf_global_ctrl,
- HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_GRP1),
- EVMCS1_FIELD(GUEST_PDPTR0, guest_pdptr0,
- HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_GRP1),
- EVMCS1_FIELD(GUEST_PDPTR1, guest_pdptr1,
- HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_GRP1),
- EVMCS1_FIELD(GUEST_PDPTR2, guest_pdptr2,
- HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_GRP1),
- EVMCS1_FIELD(GUEST_PDPTR3, guest_pdptr3,
- HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_GRP1),
- EVMCS1_FIELD(GUEST_PENDING_DBG_EXCEPTIONS, guest_pending_dbg_exceptions,
- HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_GRP1),
- EVMCS1_FIELD(GUEST_SYSENTER_ESP, guest_sysenter_esp,
- HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_GRP1),
- EVMCS1_FIELD(GUEST_SYSENTER_EIP, guest_sysenter_eip,
- HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_GRP1),
- EVMCS1_FIELD(CR0_GUEST_HOST_MASK, cr0_guest_host_mask,
- HV_VMX_ENLIGHTENED_CLEAN_FIELD_CRDR),
- EVMCS1_FIELD(CR4_GUEST_HOST_MASK, cr4_guest_host_mask,
- HV_VMX_ENLIGHTENED_CLEAN_FIELD_CRDR),
- EVMCS1_FIELD(CR0_READ_SHADOW, cr0_read_shadow,
- HV_VMX_ENLIGHTENED_CLEAN_FIELD_CRDR),
- EVMCS1_FIELD(CR4_READ_SHADOW, cr4_read_shadow,
- HV_VMX_ENLIGHTENED_CLEAN_FIELD_CRDR),
- EVMCS1_FIELD(GUEST_CR0, guest_cr0,
- HV_VMX_ENLIGHTENED_CLEAN_FIELD_CRDR),
- EVMCS1_FIELD(GUEST_CR3, guest_cr3,
- HV_VMX_ENLIGHTENED_CLEAN_FIELD_CRDR),
- EVMCS1_FIELD(GUEST_CR4, guest_cr4,
- HV_VMX_ENLIGHTENED_CLEAN_FIELD_CRDR),
- EVMCS1_FIELD(GUEST_DR7, guest_dr7,
- HV_VMX_ENLIGHTENED_CLEAN_FIELD_CRDR),
- EVMCS1_FIELD(HOST_FS_BASE, host_fs_base,
- HV_VMX_ENLIGHTENED_CLEAN_FIELD_HOST_POINTER),
- EVMCS1_FIELD(HOST_GS_BASE, host_gs_base,
- HV_VMX_ENLIGHTENED_CLEAN_FIELD_HOST_POINTER),
- EVMCS1_FIELD(HOST_TR_BASE, host_tr_base,
- HV_VMX_ENLIGHTENED_CLEAN_FIELD_HOST_POINTER),
- EVMCS1_FIELD(HOST_GDTR_BASE, host_gdtr_base,
- HV_VMX_ENLIGHTENED_CLEAN_FIELD_HOST_POINTER),
- EVMCS1_FIELD(HOST_IDTR_BASE, host_idtr_base,
- HV_VMX_ENLIGHTENED_CLEAN_FIELD_HOST_POINTER),
- EVMCS1_FIELD(HOST_RSP, host_rsp,
- HV_VMX_ENLIGHTENED_CLEAN_FIELD_HOST_POINTER),
- EVMCS1_FIELD(EPT_POINTER, ept_pointer,
- HV_VMX_ENLIGHTENED_CLEAN_FIELD_CONTROL_XLAT),
- EVMCS1_FIELD(GUEST_BNDCFGS, guest_bndcfgs,
- HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_GRP1),
- EVMCS1_FIELD(XSS_EXIT_BITMAP, xss_exit_bitmap,
- HV_VMX_ENLIGHTENED_CLEAN_FIELD_CONTROL_GRP2),
- EVMCS1_FIELD(ENCLS_EXITING_BITMAP, encls_exiting_bitmap,
- HV_VMX_ENLIGHTENED_CLEAN_FIELD_CONTROL_GRP2),
- EVMCS1_FIELD(TSC_MULTIPLIER, tsc_multiplier,
- HV_VMX_ENLIGHTENED_CLEAN_FIELD_CONTROL_GRP2),
- /*
- * Not used by KVM:
- *
- * EVMCS1_FIELD(0x00006828, guest_ia32_s_cet,
- * HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_GRP1),
- * EVMCS1_FIELD(0x0000682A, guest_ssp,
- * HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_BASIC),
- * EVMCS1_FIELD(0x0000682C, guest_ia32_int_ssp_table_addr,
- * HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_GRP1),
- * EVMCS1_FIELD(0x00002816, guest_ia32_lbr_ctl,
- * HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_GRP1),
- * EVMCS1_FIELD(0x00006C18, host_ia32_s_cet,
- * HV_VMX_ENLIGHTENED_CLEAN_FIELD_HOST_GRP1),
- * EVMCS1_FIELD(0x00006C1A, host_ssp,
- * HV_VMX_ENLIGHTENED_CLEAN_FIELD_HOST_GRP1),
- * EVMCS1_FIELD(0x00006C1C, host_ia32_int_ssp_table_addr,
- * HV_VMX_ENLIGHTENED_CLEAN_FIELD_HOST_GRP1),
- */
-
- /* 64 bit read only */
- EVMCS1_FIELD(GUEST_PHYSICAL_ADDRESS, guest_physical_address,
- HV_VMX_ENLIGHTENED_CLEAN_FIELD_NONE),
- EVMCS1_FIELD(EXIT_QUALIFICATION, exit_qualification,
- HV_VMX_ENLIGHTENED_CLEAN_FIELD_NONE),
- /*
- * Not defined in KVM:
- *
- * EVMCS1_FIELD(0x00006402, exit_io_instruction_ecx,
- * HV_VMX_ENLIGHTENED_CLEAN_FIELD_NONE);
- * EVMCS1_FIELD(0x00006404, exit_io_instruction_esi,
- * HV_VMX_ENLIGHTENED_CLEAN_FIELD_NONE);
- * EVMCS1_FIELD(0x00006406, exit_io_instruction_esi,
- * HV_VMX_ENLIGHTENED_CLEAN_FIELD_NONE);
- * EVMCS1_FIELD(0x00006408, exit_io_instruction_eip,
- * HV_VMX_ENLIGHTENED_CLEAN_FIELD_NONE);
- */
- EVMCS1_FIELD(GUEST_LINEAR_ADDRESS, guest_linear_address,
- HV_VMX_ENLIGHTENED_CLEAN_FIELD_NONE),
-
- /*
- * No mask defined in the spec as Hyper-V doesn't currently support
- * these. Future proof by resetting the whole clean field mask on
- * access.
- */
- EVMCS1_FIELD(VM_EXIT_MSR_STORE_ADDR, vm_exit_msr_store_addr,
- HV_VMX_ENLIGHTENED_CLEAN_FIELD_ALL),
- EVMCS1_FIELD(VM_EXIT_MSR_LOAD_ADDR, vm_exit_msr_load_addr,
- HV_VMX_ENLIGHTENED_CLEAN_FIELD_ALL),
- EVMCS1_FIELD(VM_ENTRY_MSR_LOAD_ADDR, vm_entry_msr_load_addr,
- HV_VMX_ENLIGHTENED_CLEAN_FIELD_ALL),
-
- /* 32 bit rw */
- EVMCS1_FIELD(TPR_THRESHOLD, tpr_threshold,
- HV_VMX_ENLIGHTENED_CLEAN_FIELD_NONE),
- EVMCS1_FIELD(GUEST_INTERRUPTIBILITY_INFO, guest_interruptibility_info,
- HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_BASIC),
- EVMCS1_FIELD(CPU_BASED_VM_EXEC_CONTROL, cpu_based_vm_exec_control,
- HV_VMX_ENLIGHTENED_CLEAN_FIELD_CONTROL_PROC),
- EVMCS1_FIELD(EXCEPTION_BITMAP, exception_bitmap,
- HV_VMX_ENLIGHTENED_CLEAN_FIELD_CONTROL_EXCPN),
- EVMCS1_FIELD(VM_ENTRY_CONTROLS, vm_entry_controls,
- HV_VMX_ENLIGHTENED_CLEAN_FIELD_CONTROL_ENTRY),
- EVMCS1_FIELD(VM_ENTRY_INTR_INFO_FIELD, vm_entry_intr_info_field,
- HV_VMX_ENLIGHTENED_CLEAN_FIELD_CONTROL_EVENT),
- EVMCS1_FIELD(VM_ENTRY_EXCEPTION_ERROR_CODE,
- vm_entry_exception_error_code,
- HV_VMX_ENLIGHTENED_CLEAN_FIELD_CONTROL_EVENT),
- EVMCS1_FIELD(VM_ENTRY_INSTRUCTION_LEN, vm_entry_instruction_len,
- HV_VMX_ENLIGHTENED_CLEAN_FIELD_CONTROL_EVENT),
- EVMCS1_FIELD(HOST_IA32_SYSENTER_CS, host_ia32_sysenter_cs,
- HV_VMX_ENLIGHTENED_CLEAN_FIELD_HOST_GRP1),
- EVMCS1_FIELD(PIN_BASED_VM_EXEC_CONTROL, pin_based_vm_exec_control,
- HV_VMX_ENLIGHTENED_CLEAN_FIELD_CONTROL_GRP1),
- EVMCS1_FIELD(VM_EXIT_CONTROLS, vm_exit_controls,
- HV_VMX_ENLIGHTENED_CLEAN_FIELD_CONTROL_GRP1),
- EVMCS1_FIELD(SECONDARY_VM_EXEC_CONTROL, secondary_vm_exec_control,
- HV_VMX_ENLIGHTENED_CLEAN_FIELD_CONTROL_GRP1),
- EVMCS1_FIELD(GUEST_ES_LIMIT, guest_es_limit,
- HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_GRP2),
- EVMCS1_FIELD(GUEST_CS_LIMIT, guest_cs_limit,
- HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_GRP2),
- EVMCS1_FIELD(GUEST_SS_LIMIT, guest_ss_limit,
- HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_GRP2),
- EVMCS1_FIELD(GUEST_DS_LIMIT, guest_ds_limit,
- HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_GRP2),
- EVMCS1_FIELD(GUEST_FS_LIMIT, guest_fs_limit,
- HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_GRP2),
- EVMCS1_FIELD(GUEST_GS_LIMIT, guest_gs_limit,
- HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_GRP2),
- EVMCS1_FIELD(GUEST_LDTR_LIMIT, guest_ldtr_limit,
- HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_GRP2),
- EVMCS1_FIELD(GUEST_TR_LIMIT, guest_tr_limit,
- HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_GRP2),
- EVMCS1_FIELD(GUEST_GDTR_LIMIT, guest_gdtr_limit,
- HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_GRP2),
- EVMCS1_FIELD(GUEST_IDTR_LIMIT, guest_idtr_limit,
- HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_GRP2),
- EVMCS1_FIELD(GUEST_ES_AR_BYTES, guest_es_ar_bytes,
- HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_GRP2),
- EVMCS1_FIELD(GUEST_CS_AR_BYTES, guest_cs_ar_bytes,
- HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_GRP2),
- EVMCS1_FIELD(GUEST_SS_AR_BYTES, guest_ss_ar_bytes,
- HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_GRP2),
- EVMCS1_FIELD(GUEST_DS_AR_BYTES, guest_ds_ar_bytes,
- HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_GRP2),
- EVMCS1_FIELD(GUEST_FS_AR_BYTES, guest_fs_ar_bytes,
- HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_GRP2),
- EVMCS1_FIELD(GUEST_GS_AR_BYTES, guest_gs_ar_bytes,
- HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_GRP2),
- EVMCS1_FIELD(GUEST_LDTR_AR_BYTES, guest_ldtr_ar_bytes,
- HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_GRP2),
- EVMCS1_FIELD(GUEST_TR_AR_BYTES, guest_tr_ar_bytes,
- HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_GRP2),
- EVMCS1_FIELD(GUEST_ACTIVITY_STATE, guest_activity_state,
- HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_GRP1),
- EVMCS1_FIELD(GUEST_SYSENTER_CS, guest_sysenter_cs,
- HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_GRP1),
-
- /* 32 bit read only */
- EVMCS1_FIELD(VM_INSTRUCTION_ERROR, vm_instruction_error,
- HV_VMX_ENLIGHTENED_CLEAN_FIELD_NONE),
- EVMCS1_FIELD(VM_EXIT_REASON, vm_exit_reason,
- HV_VMX_ENLIGHTENED_CLEAN_FIELD_NONE),
- EVMCS1_FIELD(VM_EXIT_INTR_INFO, vm_exit_intr_info,
- HV_VMX_ENLIGHTENED_CLEAN_FIELD_NONE),
- EVMCS1_FIELD(VM_EXIT_INTR_ERROR_CODE, vm_exit_intr_error_code,
- HV_VMX_ENLIGHTENED_CLEAN_FIELD_NONE),
- EVMCS1_FIELD(IDT_VECTORING_INFO_FIELD, idt_vectoring_info_field,
- HV_VMX_ENLIGHTENED_CLEAN_FIELD_NONE),
- EVMCS1_FIELD(IDT_VECTORING_ERROR_CODE, idt_vectoring_error_code,
- HV_VMX_ENLIGHTENED_CLEAN_FIELD_NONE),
- EVMCS1_FIELD(VM_EXIT_INSTRUCTION_LEN, vm_exit_instruction_len,
- HV_VMX_ENLIGHTENED_CLEAN_FIELD_NONE),
- EVMCS1_FIELD(VMX_INSTRUCTION_INFO, vmx_instruction_info,
- HV_VMX_ENLIGHTENED_CLEAN_FIELD_NONE),
-
- /* No mask defined in the spec (not used) */
- EVMCS1_FIELD(PAGE_FAULT_ERROR_CODE_MASK, page_fault_error_code_mask,
- HV_VMX_ENLIGHTENED_CLEAN_FIELD_ALL),
- EVMCS1_FIELD(PAGE_FAULT_ERROR_CODE_MATCH, page_fault_error_code_match,
- HV_VMX_ENLIGHTENED_CLEAN_FIELD_ALL),
- EVMCS1_FIELD(CR3_TARGET_COUNT, cr3_target_count,
- HV_VMX_ENLIGHTENED_CLEAN_FIELD_ALL),
- EVMCS1_FIELD(VM_EXIT_MSR_STORE_COUNT, vm_exit_msr_store_count,
- HV_VMX_ENLIGHTENED_CLEAN_FIELD_ALL),
- EVMCS1_FIELD(VM_EXIT_MSR_LOAD_COUNT, vm_exit_msr_load_count,
- HV_VMX_ENLIGHTENED_CLEAN_FIELD_ALL),
- EVMCS1_FIELD(VM_ENTRY_MSR_LOAD_COUNT, vm_entry_msr_load_count,
- HV_VMX_ENLIGHTENED_CLEAN_FIELD_ALL),
-
- /* 16 bit rw */
- EVMCS1_FIELD(HOST_ES_SELECTOR, host_es_selector,
- HV_VMX_ENLIGHTENED_CLEAN_FIELD_HOST_GRP1),
- EVMCS1_FIELD(HOST_CS_SELECTOR, host_cs_selector,
- HV_VMX_ENLIGHTENED_CLEAN_FIELD_HOST_GRP1),
- EVMCS1_FIELD(HOST_SS_SELECTOR, host_ss_selector,
- HV_VMX_ENLIGHTENED_CLEAN_FIELD_HOST_GRP1),
- EVMCS1_FIELD(HOST_DS_SELECTOR, host_ds_selector,
- HV_VMX_ENLIGHTENED_CLEAN_FIELD_HOST_GRP1),
- EVMCS1_FIELD(HOST_FS_SELECTOR, host_fs_selector,
- HV_VMX_ENLIGHTENED_CLEAN_FIELD_HOST_GRP1),
- EVMCS1_FIELD(HOST_GS_SELECTOR, host_gs_selector,
- HV_VMX_ENLIGHTENED_CLEAN_FIELD_HOST_GRP1),
- EVMCS1_FIELD(HOST_TR_SELECTOR, host_tr_selector,
- HV_VMX_ENLIGHTENED_CLEAN_FIELD_HOST_GRP1),
- EVMCS1_FIELD(GUEST_ES_SELECTOR, guest_es_selector,
- HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_GRP2),
- EVMCS1_FIELD(GUEST_CS_SELECTOR, guest_cs_selector,
- HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_GRP2),
- EVMCS1_FIELD(GUEST_SS_SELECTOR, guest_ss_selector,
- HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_GRP2),
- EVMCS1_FIELD(GUEST_DS_SELECTOR, guest_ds_selector,
- HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_GRP2),
- EVMCS1_FIELD(GUEST_FS_SELECTOR, guest_fs_selector,
- HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_GRP2),
- EVMCS1_FIELD(GUEST_GS_SELECTOR, guest_gs_selector,
- HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_GRP2),
- EVMCS1_FIELD(GUEST_LDTR_SELECTOR, guest_ldtr_selector,
- HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_GRP2),
- EVMCS1_FIELD(GUEST_TR_SELECTOR, guest_tr_selector,
- HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_GRP2),
- EVMCS1_FIELD(VIRTUAL_PROCESSOR_ID, virtual_processor_id,
- HV_VMX_ENLIGHTENED_CLEAN_FIELD_CONTROL_XLAT),
-};
-const unsigned int nr_evmcs_1_fields = ARRAY_SIZE(vmcs_field_to_evmcs_1);
-
u64 nested_get_evmptr(struct kvm_vcpu *vcpu)
{
struct kvm_vcpu_hv *hv_vcpu = to_hv_vcpu(vcpu);
@@ -608,40 +195,6 @@ int nested_evmcs_check_controls(struct vmcs12 *vmcs12)
return 0;
}
-#if IS_ENABLED(CONFIG_HYPERV)
-DEFINE_STATIC_KEY_FALSE(__kvm_is_using_evmcs);
-
-/*
- * KVM on Hyper-V always uses the latest known eVMCSv1 revision, the assumption
- * is: in case a feature has corresponding fields in eVMCS described and it was
- * exposed in VMX feature MSRs, KVM is free to use it. Warn if KVM meets a
- * feature which has no corresponding eVMCS field, this likely means that KVM
- * needs to be updated.
- */
-#define evmcs_check_vmcs_conf(field, ctrl) \
- do { \
- typeof(vmcs_conf->field) unsupported; \
- \
- unsupported = vmcs_conf->field & ~EVMCS1_SUPPORTED_ ## ctrl; \
- if (unsupported) { \
- pr_warn_once(#field " unsupported with eVMCS: 0x%llx\n",\
- (u64)unsupported); \
- vmcs_conf->field &= EVMCS1_SUPPORTED_ ## ctrl; \
- } \
- } \
- while (0)
-
-void evmcs_sanitize_exec_ctrls(struct vmcs_config *vmcs_conf)
-{
- evmcs_check_vmcs_conf(cpu_based_exec_ctrl, EXEC_CTRL);
- evmcs_check_vmcs_conf(pin_based_exec_ctrl, PINCTRL);
- evmcs_check_vmcs_conf(cpu_based_2nd_exec_ctrl, 2NDEXEC);
- evmcs_check_vmcs_conf(cpu_based_3rd_exec_ctrl, 3RDEXEC);
- evmcs_check_vmcs_conf(vmentry_ctrl, VMENTRY_CTRL);
- evmcs_check_vmcs_conf(vmexit_ctrl, VMEXIT_CTRL);
-}
-#endif
-
int nested_enable_evmcs(struct kvm_vcpu *vcpu,
uint16_t *vmcs_version)
{