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Subject[RFC 4/6] x86/hyper-v: define struct hv_enlightened_vmcs and clean field bits
Date
The definitions are according to the Hyper-V TLFS v5.0. KVM on Hyper-V will
use these.

Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com>
---
arch/x86/include/uapi/asm/hyperv.h | 203 +++++++++++++++++++++++++++++++++++++
1 file changed, 203 insertions(+)

diff --git a/arch/x86/include/uapi/asm/hyperv.h b/arch/x86/include/uapi/asm/hyperv.h
index 032580cab492..e22c6e39e43d 100644
--- a/arch/x86/include/uapi/asm/hyperv.h
+++ b/arch/x86/include/uapi/asm/hyperv.h
@@ -153,6 +153,9 @@
/* Recommend using the newer ExProcessorMasks interface */
#define HV_X64_EX_PROCESSOR_MASKS_RECOMMENDED (1 << 11)

+/* Recommend using enlightened VMCS */
+#define HV_X64_ENLIGHTENED_VMCS_RECOMMENDED (1 << 14)
+
/*
* Crash notification flag.
*/
@@ -395,6 +398,206 @@ struct hv_vp_assist_page {
__u64 current_nested_vmcs;
};

+struct hv_enlightened_vmcs {
+ u32 revision_id;
+ u32 abort;
+
+ u16 host_es_selector;
+ u16 host_cs_selector;
+ u16 host_ss_selector;
+ u16 host_ds_selector;
+ u16 host_fs_selector;
+ u16 host_gs_selector;
+ u16 host_tr_selector;
+
+ u64 host_ia32_pat;
+ u64 host_ia32_efer;
+
+ u64 host_cr0;
+ u64 host_cr3;
+ u64 host_cr4;
+
+ u64 host_ia32_sysenter_esp;
+ u64 host_ia32_sysenter_eip;
+ u64 host_rip;
+ u32 host_ia32_sysenter_cs;
+
+ u32 pin_based_vm_exec_control;
+ u32 vm_exit_controls;
+ u32 secondary_vm_exec_control;
+
+ u64 io_bitmap_a;
+ u64 io_bitmap_b;
+ u64 msr_bitmap;
+
+ u16 guest_es_selector;
+ u16 guest_cs_selector;
+ u16 guest_ss_selector;
+ u16 guest_ds_selector;
+ u16 guest_fs_selector;
+ u16 guest_gs_selector;
+ u16 guest_ldtr_selector;
+ u16 guest_tr_selector;
+
+ u32 guest_es_limit;
+ u32 guest_cs_limit;
+ u32 guest_ss_limit;
+ u32 guest_ds_limit;
+ u32 guest_fs_limit;
+ u32 guest_gs_limit;
+ u32 guest_ldtr_limit;
+ u32 guest_tr_limit;
+ u32 guest_gdtr_limit;
+ u32 guest_idtr_limit;
+
+ u32 guest_es_ar_bytes;
+ u32 guest_cs_ar_bytes;
+ u32 guest_ss_ar_bytes;
+ u32 guest_ds_ar_bytes;
+ u32 guest_fs_ar_bytes;
+ u32 guest_gs_ar_bytes;
+ u32 guest_ldtr_ar_bytes;
+ u32 guest_tr_ar_bytes;
+
+ u64 guest_es_base;
+ u64 guest_cs_base;
+ u64 guest_ss_base;
+ u64 guest_ds_base;
+ u64 guest_fs_base;
+ u64 guest_gs_base;
+ u64 guest_ldtr_base;
+ u64 guest_tr_base;
+ u64 guest_gdtr_base;
+ u64 guest_idtr_base;
+
+ u64 padding64_1[3];
+
+ u64 vm_exit_msr_store_addr;
+ u64 vm_exit_msr_load_addr;
+ u64 vm_entry_msr_load_addr;
+
+ u64 cr3_target_value0;
+ u64 cr3_target_value1;
+ u64 cr3_target_value2;
+ u64 cr3_target_value3;
+
+ u32 page_fault_error_code_mask;
+ u32 page_fault_error_code_match;
+
+ u32 cr3_target_count;
+ u32 vm_exit_msr_store_count;
+ u32 vm_exit_msr_load_count;
+ u32 vm_entry_msr_load_count;
+
+ u64 tsc_offset;
+ u64 virtual_apic_page_addr;
+ u64 vmcs_link_pointer;
+
+ u64 guest_ia32_debugctl;
+ u64 guest_ia32_pat;
+ u64 guest_ia32_efer;
+
+ u64 guest_pdptr0;
+ u64 guest_pdptr1;
+ u64 guest_pdptr2;
+ u64 guest_pdptr3;
+
+ u64 guest_pending_dbg_exceptions;
+ u64 guest_sysenter_esp;
+ u64 guest_sysenter_eip;
+
+ u32 guest_activity_state;
+ u32 guest_sysenter_cs;
+
+ u64 cr0_guest_host_mask;
+ u64 cr4_guest_host_mask;
+ u64 cr0_read_shadow;
+ u64 cr4_read_shadow;
+ u64 guest_cr0;
+ u64 guest_cr3;
+ u64 guest_cr4;
+ u64 guest_dr7;
+
+ u64 host_fs_base;
+ u64 host_gs_base;
+ u64 host_tr_base;
+ u64 host_gdtr_base;
+ u64 host_idtr_base;
+ u64 host_rsp;
+
+ u64 ept_pointer;
+
+ u16 virtual_processor_id;
+ u16 padding16[3];
+
+ u64 padding64_2[5];
+ u64 guest_physical_address;
+
+ u32 vm_instruction_error;
+ u32 vm_exit_reason;
+ u32 vm_exit_intr_info;
+ u32 vm_exit_intr_error_code;
+ u32 idt_vectoring_info_field;
+ u32 idt_vectoring_error_code;
+ u32 vm_exit_instruction_len;
+ u32 vmx_instruction_info;
+
+ u64 exit_qualification;
+ u64 exit_io_instruction_ecx;
+ u64 exit_io_instruction_esi;
+ u64 exit_io_instruction_edi;
+ u64 exit_io_instruction_eip;
+
+ u64 guest_linear_address;
+ u64 guest_rsp;
+ u64 guest_rflags;
+
+ u32 guest_interruptibility_info;
+ u32 cpu_based_vm_exec_control;
+ u32 exception_bitmap;
+ u32 vm_entry_controls;
+ u32 vm_entry_intr_info_field;
+ u32 vm_entry_exception_error_code;
+ u32 vm_entry_instruction_len;
+ u32 tpr_threshold;
+
+ u64 guest_rip;
+
+ u32 hv_clean_fields;
+ u32 hv_padding_32;
+ u32 hv_synthetic_controls;
+ u32 hv_enlightenments_control;
+ u32 hv_vp_id;
+
+ u64 hv_vm_id;
+ u64 partition_assist_page;
+ u64 padding64_4[4];
+ u64 guest_bndcfgs;
+ u64 padding64_5[7];
+ u64 xss_exit_bitmap;
+ u64 padding64_6[7];
+};
+
+#define HV_VMX_ENLIGHTENED_CLEAN_FIELD_NONE 0
+#define HV_VMX_ENLIGHTENED_CLEAN_FIELD_IO_BITMAP BIT(0)
+#define HV_VMX_ENLIGHTENED_CLEAN_FIELD_MSR_BITMAP BIT(1)
+#define HV_VMX_ENLIGHTENED_CLEAN_FIELD_CONTROL_GRP2 BIT(2)
+#define HV_VMX_ENLIGHTENED_CLEAN_FIELD_CONTROL_GRP1 BIT(3)
+#define HV_VMX_ENLIGHTENED_CLEAN_FIELD_CONTROL_PROC BIT(4)
+#define HV_VMX_ENLIGHTENED_CLEAN_FIELD_CONTROL_EVENT BIT(5)
+#define HV_VMX_ENLIGHTENED_CLEAN_FIELD_CONTROL_ENTRY BIT(6)
+#define HV_VMX_ENLIGHTENED_CLEAN_FIELD_CONTROL_EXCPN BIT(7)
+#define HV_VMX_ENLIGHTENED_CLEAN_FIELD_CRDR BIT(8)
+#define HV_VMX_ENLIGHTENED_CLEAN_FIELD_CONTROL_XLAT BIT(9)
+#define HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_BASIC BIT(10)
+#define HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_GRP1 BIT(11)
+#define HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_GRP2 BIT(12)
+#define HV_VMX_ENLIGHTENED_CLEAN_FIELD_HOST_POINTER BIT(13)
+#define HV_VMX_ENLIGHTENED_CLEAN_FIELD_HOST_GRP1 BIT(14)
+#define HV_VMX_ENLIGHTENED_CLEAN_FIELD_ENLIGHTENMENTSCONTROL BIT(15)
+
+#define HV_VMX_ENLIGHTENED_CLEAN_FIELD_ALL 0xFFFF
+
#define HV_STIMER_ENABLE (1ULL << 0)
#define HV_STIMER_PERIODIC (1ULL << 1)
#define HV_STIMER_LAZY (1ULL << 2)
--
2.14.3
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