hyperv: Add new Hyper-V headers in include/hyperv

F:	include/asm-generic/hyperv-tlfs.h

F:	include/asm-generic/mshyperv.h

F:	include/clocksource/hyperv_timer.h

F:	include/hyperv/hvgdk.h

F:	include/hyperv/hvgdk_ext.h

F:	include/hyperv/hvgdk_mini.h

F:	include/hyperv/hvhdk.h

F:	include/hyperv/hvhdk_mini.h

F:	include/linux/hyperv.h

F:	include/net/mana

F:	include/uapi/linux/hyperv.h

/* SPDX-License-Identifier: GPL-2.0 */

/*

 * Type definitions for the Microsoft Hypervisor.

 */

#ifndef _HV_HVGDK_H

#define _HV_HVGDK_H

#include "hvgdk_mini.h"

#include "hvgdk_ext.h"

/*

 * The guest OS needs to register the guest ID with the hypervisor.

 * The guest ID is a 64 bit entity and the structure of this ID is

 * specified in the Hyper-V TLFS specification.

 *

 * While the current guideline does not specify how Linux guest ID(s)

 * need to be generated, our plan is to publish the guidelines for

 * Linux and other guest operating systems that currently are hosted

 * on Hyper-V. The implementation here conforms to this yet

 * unpublished guidelines.

 *

 * Bit(s)

 * 63 - Indicates if the OS is Open Source or not; 1 is Open Source

 * 62:56 - Os Type; Linux is 0x100

 * 55:48 - Distro specific identification

 * 47:16 - Linux kernel version number

 * 15:0  - Distro specific identification

 */

#define HV_LINUX_VENDOR_ID              0x8100

/* HV_VMX_ENLIGHTENED_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;

	u16 padding16_1;

	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_2[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 padding32_1;

	u32 hv_synthetic_controls;

	struct {

		u32 nested_flush_hypercall:1;

		u32 msr_bitmap:1;

		u32 reserved:30;

	}  __packed hv_enlightenments_control;

	u32 hv_vp_id;

	u32 padding32_2;

	u64 hv_vm_id;

	u64 partition_assist_page;

	u64 padding64_4[4];

	u64 guest_bndcfgs;

	u64 guest_ia32_perf_global_ctrl;

	u64 guest_ia32_s_cet;

	u64 guest_ssp;

	u64 guest_ia32_int_ssp_table_addr;

	u64 guest_ia32_lbr_ctl;

	u64 padding64_5[2];

	u64 xss_exit_bitmap;

	u64 encls_exiting_bitmap;

	u64 host_ia32_perf_global_ctrl;

	u64 tsc_multiplier;

	u64 host_ia32_s_cet;

	u64 host_ssp;

	u64 host_ia32_int_ssp_table_addr;

	u64 padding64_6;

} __packed;

#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

/*

 * Note, Hyper-V isn't actually stealing bit 28 from Intel, just abusing it by

 * pairing it with architecturally impossible exit reasons.  Bit 28 is set only

 * on SMI exits to a SMI transfer monitor (STM) and if and only if a MTF VM-Exit

 * is pending.  I.e. it will never be set by hardware for non-SMI exits (there

 * are only three), nor will it ever be set unless the VMM is an STM.

 */

#define HV_VMX_SYNTHETIC_EXIT_REASON_TRAP_AFTER_FLUSH		0x10000031

/*

 * Hyper-V uses the software reserved 32 bytes in VMCB control area to expose

 * SVM enlightenments to guests. This is documented in the TLFS doc.

 * Note on naming: SVM_NESTED_ENLIGHTENED_VMCB_FIELDS

 */

struct hv_vmcb_enlightenments {

	struct __packed hv_enlightenments_control {

		u32 nested_flush_hypercall : 1;

		u32 msr_bitmap : 1;

		u32 enlightened_npt_tlb: 1;

		u32 reserved : 29;

	} __packed hv_enlightenments_control;

	u32 hv_vp_id;

	u64 hv_vm_id;

	u64 partition_assist_page;

	u64 reserved;

} __packed;

/*

 * Hyper-V uses the software reserved clean bit in VMCB.

 */

#define HV_VMCB_NESTED_ENLIGHTENMENTS		31

/* Synthetic VM-Exit */

#define HV_SVM_EXITCODE_ENL			0xf0000000

#define HV_SVM_ENL_EXITCODE_TRAP_AFTER_FLUSH	(1)

/* VM_PARTITION_ASSIST_PAGE */

struct hv_partition_assist_pg {

	u32 tlb_lock_count;

};

/* Define connection identifier type. */

union hv_connection_id {

	u32 asu32;

	struct {

		u32 id : 24;

		u32 reserved : 8;

	} __packed u;

};

struct hv_input_unmap_gpa_pages {

	u64 target_partition_id;

	u64 target_gpa_base;

	u32 unmap_flags;

	u32 padding;

} __packed;

#endif /* #ifndef _HV_HVGDK_H */

/* SPDX-License-Identifier: GPL-2.0 */

/*

 * Type definitions for the Microsoft Hypervisor.

 */

#ifndef _HV_HVGDK_EXT_H

#define _HV_HVGDK_EXT_H

#include "hvgdk_mini.h"

/* Extended hypercalls */

#define HV_EXT_CALL_QUERY_CAPABILITIES		0x8001

#define HV_EXT_CALL_MEMORY_HEAT_HINT		0x8003

/* Extended hypercalls */

enum {		/* HV_EXT_CALL */

	HV_EXTCALL_QUERY_CAPABILITIES = 0x8001,

	HV_EXTCALL_MEMORY_HEAT_HINT   = 0x8003,

};

/* HV_EXT_OUTPUT_QUERY_CAPABILITIES */

#define HV_EXT_CAPABILITY_MEMORY_COLD_DISCARD_HINT BIT(8)

enum {		/* HV_EXT_MEMORY_HEAT_HINT_TYPE */

	HV_EXTMEM_HEAT_HINT_COLD = 0,

	HV_EXTMEM_HEAT_HINT_HOT = 1,

	HV_EXTMEM_HEAT_HINT_COLD_DISCARD = 2,

	HV_EXTMEM_HEAT_HINT_MAX

};

/*

 * The whole argument should fit in a page to be able to pass to the hypervisor

 * in one hypercall.

 */

#define HV_MEMORY_HINT_MAX_GPA_PAGE_RANGES  \

	((HV_HYP_PAGE_SIZE - sizeof(struct hv_memory_hint)) / \

		sizeof(union hv_gpa_page_range))

/* HvExtCallMemoryHeatHint hypercall */

#define HV_EXT_MEMORY_HEAT_HINT_TYPE_COLD_DISCARD	2

struct hv_memory_hint {		/* HV_EXT_INPUT_MEMORY_HEAT_HINT */

	u64 heat_type : 2;	/* HV_EXTMEM_HEAT_HINT_* */

	u64 reserved : 62;

	union hv_gpa_page_range ranges[];

} __packed;

#endif /* _HV_HVGDK_EXT_H */