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| author | Paolo Bonzini <pbonzini@redhat.com> | 2019-07-11 16:14:16 +0300 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2019-07-11 16:14:16 +0300 |
| commit | a45ff5994c9cde41af627c46abb9f32beae68943 (patch) | |
| tree | b726cc506ed1b01484f183ab2679cdd618e1e9b1 /arch/x86/include/uapi/asm | |
| parent | 429bb83af8bcea0115eb34fd7ed94a35166d8384 (diff) | |
| parent | 1e0cf16cdad1ba53e9eeee8746fe57de42f20c97 (diff) | |
| download | linux-a45ff5994c9cde41af627c46abb9f32beae68943.tar.xz | |
Merge tag 'kvm-arm-for-5.3' of git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm into HEAD
KVM/arm updates for 5.3
- Add support for chained PMU counters in guests
- Improve SError handling
- Handle Neoverse N1 erratum #1349291
- Allow side-channel mitigation status to be migrated
- Standardise most AArch64 system register accesses to msr_s/mrs_s
- Fix host MPIDR corruption on 32bit
Diffstat (limited to 'arch/x86/include/uapi/asm')
| -rw-r--r-- | arch/x86/include/uapi/asm/Kbuild | 1 | ||||
| -rw-r--r-- | arch/x86/include/uapi/asm/kvm.h | 33 |
2 files changed, 23 insertions, 11 deletions
diff --git a/arch/x86/include/uapi/asm/Kbuild b/arch/x86/include/uapi/asm/Kbuild index 59b5ad310f78..39606a856d3b 100644 --- a/arch/x86/include/uapi/asm/Kbuild +++ b/arch/x86/include/uapi/asm/Kbuild @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 generated-y += unistd_32.h generated-y += unistd_64.h generated-y += unistd_x32.h diff --git a/arch/x86/include/uapi/asm/kvm.h b/arch/x86/include/uapi/asm/kvm.h index 46588f5d6283..e901b0ab116f 100644 --- a/arch/x86/include/uapi/asm/kvm.h +++ b/arch/x86/include/uapi/asm/kvm.h @@ -384,6 +384,9 @@ struct kvm_sync_regs { #define KVM_X86_QUIRK_OUT_7E_INC_RIP (1 << 3) #define KVM_X86_QUIRK_MISC_ENABLE_NO_MWAIT (1 << 4) +#define KVM_STATE_NESTED_FORMAT_VMX 0 +#define KVM_STATE_NESTED_FORMAT_SVM 1 /* unused */ + #define KVM_STATE_NESTED_GUEST_MODE 0x00000001 #define KVM_STATE_NESTED_RUN_PENDING 0x00000002 #define KVM_STATE_NESTED_EVMCS 0x00000004 @@ -391,9 +394,16 @@ struct kvm_sync_regs { #define KVM_STATE_NESTED_SMM_GUEST_MODE 0x00000001 #define KVM_STATE_NESTED_SMM_VMXON 0x00000002 -struct kvm_vmx_nested_state { +#define KVM_STATE_NESTED_VMX_VMCS_SIZE 0x1000 + +struct kvm_vmx_nested_state_data { + __u8 vmcs12[KVM_STATE_NESTED_VMX_VMCS_SIZE]; + __u8 shadow_vmcs12[KVM_STATE_NESTED_VMX_VMCS_SIZE]; +}; + +struct kvm_vmx_nested_state_hdr { __u64 vmxon_pa; - __u64 vmcs_pa; + __u64 vmcs12_pa; struct { __u16 flags; @@ -402,24 +412,25 @@ struct kvm_vmx_nested_state { /* for KVM_CAP_NESTED_STATE */ struct kvm_nested_state { - /* KVM_STATE_* flags */ __u16 flags; - - /* 0 for VMX, 1 for SVM. */ __u16 format; - - /* 128 for SVM, 128 + VMCS size for VMX. */ __u32 size; union { - /* VMXON, VMCS */ - struct kvm_vmx_nested_state vmx; + struct kvm_vmx_nested_state_hdr vmx; /* Pad the header to 128 bytes. */ __u8 pad[120]; - }; + } hdr; - __u8 data[0]; + /* + * Define data region as 0 bytes to preserve backwards-compatability + * to old definition of kvm_nested_state in order to avoid changing + * KVM_{GET,PUT}_NESTED_STATE ioctl values. + */ + union { + struct kvm_vmx_nested_state_data vmx[0]; + } data; }; /* for KVM_CAP_PMU_EVENT_FILTER */ |