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The C and C++ Include Header Files

cat -n /usr/include/linux/kvm.h

     1	/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
     2	#ifndef __LINUX_KVM_H
     3	#define __LINUX_KVM_H
     4	
     5	/*
     6	 * Userspace interface for /dev/kvm - kernel based virtual machine
     7	 *
     8	 * Note: you must update KVM_API_VERSION if you change this interface.
     9	 */
    10	
    11	#include <linux/const.h>
    12	#include <linux/types.h>
    13	
    14	#include <linux/stddef.h>
    15	#include <linux/ioctl.h>
    16	#include <asm/kvm.h>
    17	
    18	
    19	#define KVM_API_VERSION 12
    20	
    21	/*
    22	 * Backwards-compatible definitions.
    23	 */
    24	#define __KVM_HAVE_GUEST_DEBUG
    25	
    26	/* for KVM_SET_USER_MEMORY_REGION */
    27	struct kvm_userspace_memory_region {
    28		__u32 slot;
    29		__u32 flags;
    30		__u64 guest_phys_addr;
    31		__u64 memory_size; /* bytes */
    32		__u64 userspace_addr; /* start of the userspace allocated memory */
    33	};
    34	
    35	/* for KVM_SET_USER_MEMORY_REGION2 */
    36	struct kvm_userspace_memory_region2 {
    37		__u32 slot;
    38		__u32 flags;
    39		__u64 guest_phys_addr;
    40		__u64 memory_size;
    41		__u64 userspace_addr;
    42		__u64 guest_memfd_offset;
    43		__u32 guest_memfd;
    44		__u32 pad1;
    45		__u64 pad2[14];
    46	};
    47	
    48	/*
    49	 * The bit 0 ~ bit 15 of kvm_userspace_memory_region::flags are visible for
    50	 * userspace, other bits are reserved for kvm internal use which are defined
    51	 * in include/linux/kvm_host.h.
    52	 */
    53	#define KVM_MEM_LOG_DIRTY_PAGES	(1UL << 0)
    54	#define KVM_MEM_READONLY	(1UL << 1)
    55	#define KVM_MEM_GUEST_MEMFD	(1UL << 2)
    56	
    57	/* for KVM_IRQ_LINE */
    58	struct kvm_irq_level {
    59		/*
    60		 * ACPI gsi notion of irq.
    61		 * For IA-64 (APIC model) IOAPIC0: irq 0-23; IOAPIC1: irq 24-47..
    62		 * For X86 (standard AT mode) PIC0/1: irq 0-15. IOAPIC0: 0-23..
    63		 * For ARM: See Documentation/virt/kvm/api.rst
    64		 */
    65		union {
    66			__u32 irq;
    67			__s32 status;
    68		};
    69		__u32 level;
    70	};
    71	
    72	
    73	struct kvm_irqchip {
    74		__u32 chip_id;
    75		__u32 pad;
    76	        union {
    77			char dummy[512];  /* reserving space */
    78	#ifdef __KVM_HAVE_PIT
    79			struct kvm_pic_state pic;
    80	#endif
    81	#ifdef __KVM_HAVE_IOAPIC
    82			struct kvm_ioapic_state ioapic;
    83	#endif
    84		} chip;
    85	};
    86	
    87	/* for KVM_CREATE_PIT2 */
    88	struct kvm_pit_config {
    89		__u32 flags;
    90		__u32 pad[15];
    91	};
    92	
    93	#define KVM_PIT_SPEAKER_DUMMY     1
    94	
    95	struct kvm_hyperv_exit {
    96	#define KVM_EXIT_HYPERV_SYNIC          1
    97	#define KVM_EXIT_HYPERV_HCALL          2
    98	#define KVM_EXIT_HYPERV_SYNDBG         3
    99		__u32 type;
   100		__u32 pad1;
   101		union {
   102			struct {
   103				__u32 msr;
   104				__u32 pad2;
   105				__u64 control;
   106				__u64 evt_page;
   107				__u64 msg_page;
   108			} synic;
   109			struct {
   110				__u64 input;
   111				__u64 result;
   112				__u64 params[2];
   113			} hcall;
   114			struct {
   115				__u32 msr;
   116				__u32 pad2;
   117				__u64 control;
   118				__u64 status;
   119				__u64 send_page;
   120				__u64 recv_page;
   121				__u64 pending_page;
   122			} syndbg;
   123		} u;
   124	};
   125	
   126	struct kvm_xen_exit {
   127	#define KVM_EXIT_XEN_HCALL          1
   128		__u32 type;
   129		union {
   130			struct {
   131				__u32 longmode;
   132				__u32 cpl;
   133				__u64 input;
   134				__u64 result;
   135				__u64 params[6];
   136			} hcall;
   137		} u;
   138	};
   139	
   140	struct kvm_exit_snp_req_certs {
   141		__u64 gpa;
   142		__u64 npages;
   143		__u64 ret;
   144	};
   145	
   146	#define KVM_S390_GET_SKEYS_NONE   1
   147	#define KVM_S390_SKEYS_MAX        1048576
   148	
   149	#define KVM_EXIT_UNKNOWN          0
   150	#define KVM_EXIT_EXCEPTION        1
   151	#define KVM_EXIT_IO               2
   152	#define KVM_EXIT_HYPERCALL        3
   153	#define KVM_EXIT_DEBUG            4
   154	#define KVM_EXIT_HLT              5
   155	#define KVM_EXIT_MMIO             6
   156	#define KVM_EXIT_IRQ_WINDOW_OPEN  7
   157	#define KVM_EXIT_SHUTDOWN         8
   158	#define KVM_EXIT_FAIL_ENTRY       9
   159	#define KVM_EXIT_INTR             10
   160	#define KVM_EXIT_SET_TPR          11
   161	#define KVM_EXIT_TPR_ACCESS       12
   162	#define KVM_EXIT_S390_SIEIC       13
   163	#define KVM_EXIT_S390_RESET       14
   164	#define KVM_EXIT_DCR              15 /* deprecated */
   165	#define KVM_EXIT_NMI              16
   166	#define KVM_EXIT_INTERNAL_ERROR   17
   167	#define KVM_EXIT_OSI              18
   168	#define KVM_EXIT_PAPR_HCALL	  19
   169	#define KVM_EXIT_S390_UCONTROL	  20
   170	#define KVM_EXIT_WATCHDOG         21
   171	#define KVM_EXIT_S390_TSCH        22
   172	#define KVM_EXIT_EPR              23
   173	#define KVM_EXIT_SYSTEM_EVENT     24
   174	#define KVM_EXIT_S390_STSI        25
   175	#define KVM_EXIT_IOAPIC_EOI       26
   176	#define KVM_EXIT_HYPERV           27
   177	#define KVM_EXIT_ARM_NISV         28
   178	#define KVM_EXIT_X86_RDMSR        29
   179	#define KVM_EXIT_X86_WRMSR        30
   180	#define KVM_EXIT_DIRTY_RING_FULL  31
   181	#define KVM_EXIT_AP_RESET_HOLD    32
   182	#define KVM_EXIT_X86_BUS_LOCK     33
   183	#define KVM_EXIT_XEN              34
   184	#define KVM_EXIT_RISCV_SBI        35
   185	#define KVM_EXIT_RISCV_CSR        36
   186	#define KVM_EXIT_NOTIFY           37
   187	#define KVM_EXIT_LOONGARCH_IOCSR  38
   188	#define KVM_EXIT_MEMORY_FAULT     39
   189	#define KVM_EXIT_TDX              40
   190	#define KVM_EXIT_ARM_SEA          41
   191	#define KVM_EXIT_ARM_LDST64B      42
   192	#define KVM_EXIT_SNP_REQ_CERTS    43
   193	
   194	/* For KVM_EXIT_INTERNAL_ERROR */
   195	/* Emulate instruction failed. */
   196	#define KVM_INTERNAL_ERROR_EMULATION	1
   197	/* Encounter unexpected simultaneous exceptions. */
   198	#define KVM_INTERNAL_ERROR_SIMUL_EX	2
   199	/* Encounter unexpected vm-exit due to delivery event. */
   200	#define KVM_INTERNAL_ERROR_DELIVERY_EV	3
   201	/* Encounter unexpected vm-exit reason */
   202	#define KVM_INTERNAL_ERROR_UNEXPECTED_EXIT_REASON	4
   203	
   204	/* Flags that describe what fields in emulation_failure hold valid data. */
   205	#define KVM_INTERNAL_ERROR_EMULATION_FLAG_INSTRUCTION_BYTES (1ULL << 0)
   206	
   207	/*
   208	 * struct kvm_run can be modified by userspace at any time, so KVM must be
   209	 * careful to avoid TOCTOU bugs. In order to protect KVM, HINT_UNSAFE_IN_KVM()
   210	 * renames fields in struct kvm_run from <symbol> to <symbol>__unsafe when
   211	 * compiled into the kernel, ensuring that any use within KVM is obvious and
   212	 * gets extra scrutiny.
   213	 */
   214	#define HINT_UNSAFE_IN_KVM(_symbol) _symbol
   215	
   216	/* for KVM_RUN, returned by mmap(vcpu_fd, offset=0) */
   217	struct kvm_run {
   218		/* in */
   219		__u8 request_interrupt_window;
   220		__u8 HINT_UNSAFE_IN_KVM(immediate_exit);
   221		__u8 padding1[6];
   222	
   223		/* out */
   224		__u32 exit_reason;
   225		__u8 ready_for_interrupt_injection;
   226		__u8 if_flag;
   227		__u16 flags;
   228	
   229		/* in (pre_kvm_run), out (post_kvm_run) */
   230		__u64 cr8;
   231		__u64 apic_base;
   232	
   233	#ifdef __KVM_S390
   234		/* the processor status word for s390 */
   235		__u64 psw_mask; /* psw upper half */
   236		__u64 psw_addr; /* psw lower half */
   237	#endif
   238		union {
   239			/* KVM_EXIT_UNKNOWN */
   240			struct {
   241				__u64 hardware_exit_reason;
   242			} hw;
   243			/* KVM_EXIT_FAIL_ENTRY */
   244			struct {
   245				__u64 hardware_entry_failure_reason;
   246				__u32 cpu;
   247			} fail_entry;
   248			/* KVM_EXIT_EXCEPTION */
   249			struct {
   250				__u32 exception;
   251				__u32 error_code;
   252			} ex;
   253			/* KVM_EXIT_IO */
   254			struct {
   255	#define KVM_EXIT_IO_IN  0
   256	#define KVM_EXIT_IO_OUT 1
   257				__u8 direction;
   258				__u8 size; /* bytes */
   259				__u16 port;
   260				__u32 count;
   261				__u64 data_offset; /* relative to kvm_run start */
   262			} io;
   263			/* KVM_EXIT_DEBUG */
   264			struct {
   265				struct kvm_debug_exit_arch arch;
   266			} debug;
   267			/* KVM_EXIT_MMIO */
   268			struct {
   269				__u64 phys_addr;
   270				__u8  data[8];
   271				__u32 len;
   272				__u8  is_write;
   273			} mmio;
   274			/* KVM_EXIT_LOONGARCH_IOCSR */
   275			struct {
   276				__u64 phys_addr;
   277				__u8  data[8];
   278				__u32 len;
   279				__u8  is_write;
   280			} iocsr_io;
   281			/* KVM_EXIT_HYPERCALL */
   282			struct {
   283				__u64 nr;
   284				__u64 args[6];
   285				__u64 ret;
   286	
   287				union {
   288					__u32 longmode;
   289					__u64 flags;
   290				};
   291			} hypercall;
   292			/* KVM_EXIT_TPR_ACCESS */
   293			struct {
   294				__u64 rip;
   295				__u32 is_write;
   296				__u32 pad;
   297			} tpr_access;
   298			/* KVM_EXIT_S390_SIEIC */
   299			struct {
   300				__u8 icptcode;
   301				__u16 ipa;
   302				__u32 ipb;
   303			} s390_sieic;
   304			/* KVM_EXIT_S390_RESET */
   305			__u64 s390_reset_flags;
   306			/* KVM_EXIT_S390_UCONTROL */
   307			struct {
   308				__u64 trans_exc_code;
   309				__u32 pgm_code;
   310			} s390_ucontrol;
   311			/* KVM_EXIT_DCR (deprecated) */
   312			struct {
   313				__u32 dcrn;
   314				__u32 data;
   315				__u8  is_write;
   316			} dcr;
   317			/* KVM_EXIT_INTERNAL_ERROR */
   318			struct {
   319				__u32 suberror;
   320				/* Available with KVM_CAP_INTERNAL_ERROR_DATA: */
   321				__u32 ndata;
   322				__u64 data[16];
   323			} internal;
   324			/*
   325			 * KVM_INTERNAL_ERROR_EMULATION
   326			 *
   327			 * "struct emulation_failure" is an overlay of "struct internal"
   328			 * that is used for the KVM_INTERNAL_ERROR_EMULATION sub-type of
   329			 * KVM_EXIT_INTERNAL_ERROR.  Note, unlike other internal error
   330			 * sub-types, this struct is ABI!  It also needs to be backwards
   331			 * compatible with "struct internal".  Take special care that
   332			 * "ndata" is correct, that new fields are enumerated in "flags",
   333			 * and that each flag enumerates fields that are 64-bit aligned
   334			 * and sized (so that ndata+internal.data[] is valid/accurate).
   335			 *
   336			 * Space beyond the defined fields may be used to store arbitrary
   337			 * debug information relating to the emulation failure. It is
   338			 * accounted for in "ndata" but the format is unspecified and is
   339			 * not represented in "flags". Any such information is *not* ABI!
   340			 */
   341			struct {
   342				__u32 suberror;
   343				__u32 ndata;
   344				__u64 flags;
   345				union {
   346					struct {
   347						__u8  insn_size;
   348						__u8  insn_bytes[15];
   349					};
   350				};
   351				/* Arbitrary debug data may follow. */
   352			} emulation_failure;
   353			/* KVM_EXIT_OSI */
   354			struct {
   355				__u64 gprs[32];
   356			} osi;
   357			/* KVM_EXIT_PAPR_HCALL */
   358			struct {
   359				__u64 nr;
   360				__u64 ret;
   361				__u64 args[9];
   362			} papr_hcall;
   363			/* KVM_EXIT_S390_TSCH */
   364			struct {
   365				__u16 subchannel_id;
   366				__u16 subchannel_nr;
   367				__u32 io_int_parm;
   368				__u32 io_int_word;
   369				__u32 ipb;
   370				__u8 dequeued;
   371			} s390_tsch;
   372			/* KVM_EXIT_EPR */
   373			struct {
   374				__u32 epr;
   375			} epr;
   376			/* KVM_EXIT_SYSTEM_EVENT */
   377			struct {
   378	#define KVM_SYSTEM_EVENT_SHUTDOWN       1
   379	#define KVM_SYSTEM_EVENT_RESET          2
   380	#define KVM_SYSTEM_EVENT_CRASH          3
   381	#define KVM_SYSTEM_EVENT_WAKEUP         4
   382	#define KVM_SYSTEM_EVENT_SUSPEND        5
   383	#define KVM_SYSTEM_EVENT_SEV_TERM       6
   384	#define KVM_SYSTEM_EVENT_TDX_FATAL      7
   385				__u32 type;
   386				__u32 ndata;
   387				union {
   388					__u64 flags;
   389					__u64 data[16];
   390				};
   391			} system_event;
   392			/* KVM_EXIT_S390_STSI */
   393			struct {
   394				__u64 addr;
   395				__u8 ar;
   396				__u8 reserved;
   397				__u8 fc;
   398				__u8 sel1;
   399				__u16 sel2;
   400			} s390_stsi;
   401			/* KVM_EXIT_IOAPIC_EOI */
   402			struct {
   403				__u8 vector;
   404			} eoi;
   405			/* KVM_EXIT_HYPERV */
   406			struct kvm_hyperv_exit hyperv;
   407			/* KVM_EXIT_ARM_NISV / KVM_EXIT_ARM_LDST64B */
   408			struct {
   409				__u64 esr_iss;
   410				__u64 fault_ipa;
   411			} arm_nisv;
   412			/* KVM_EXIT_X86_RDMSR / KVM_EXIT_X86_WRMSR */
   413			struct {
   414				__u8 error; /* user -> kernel */
   415				__u8 pad[7];
   416	#define KVM_MSR_EXIT_REASON_INVAL	(1 << 0)
   417	#define KVM_MSR_EXIT_REASON_UNKNOWN	(1 << 1)
   418	#define KVM_MSR_EXIT_REASON_FILTER	(1 << 2)
   419	#define KVM_MSR_EXIT_REASON_VALID_MASK	(KVM_MSR_EXIT_REASON_INVAL   |	\
   420						 KVM_MSR_EXIT_REASON_UNKNOWN |	\
   421						 KVM_MSR_EXIT_REASON_FILTER)
   422				__u32 reason; /* kernel -> user */
   423				__u32 index; /* kernel -> user */
   424				__u64 data; /* kernel <-> user */
   425			} msr;
   426			/* KVM_EXIT_XEN */
   427			struct kvm_xen_exit xen;
   428			/* KVM_EXIT_RISCV_SBI */
   429			struct {
   430				unsigned long extension_id;
   431				unsigned long function_id;
   432				unsigned long args[6];
   433				unsigned long ret[2];
   434			} riscv_sbi;
   435			/* KVM_EXIT_RISCV_CSR */
   436			struct {
   437				unsigned long csr_num;
   438				unsigned long new_value;
   439				unsigned long write_mask;
   440				unsigned long ret_value;
   441			} riscv_csr;
   442			/* KVM_EXIT_NOTIFY */
   443			struct {
   444	#define KVM_NOTIFY_CONTEXT_INVALID	(1 << 0)
   445				__u32 flags;
   446			} notify;
   447			/* KVM_EXIT_MEMORY_FAULT */
   448			struct {
   449	#define KVM_MEMORY_EXIT_FLAG_PRIVATE	(1ULL << 3)
   450				__u64 flags;
   451				__u64 gpa;
   452				__u64 size;
   453			} memory_fault;
   454			/* KVM_EXIT_TDX */
   455			struct {
   456				__u64 flags;
   457				__u64 nr;
   458				union {
   459					struct {
   460						__u64 ret;
   461						__u64 data[5];
   462					} unknown;
   463					struct {
   464						__u64 ret;
   465						__u64 gpa;
   466						__u64 size;
   467					} get_quote;
   468					struct {
   469						__u64 ret;
   470						__u64 leaf;
   471						__u64 r11, r12, r13, r14;
   472					} get_tdvmcall_info;
   473					struct {
   474						__u64 ret;
   475						__u64 vector;
   476					} setup_event_notify;
   477				};
   478			} tdx;
   479			/* KVM_EXIT_ARM_SEA */
   480			struct {
   481	#define KVM_EXIT_ARM_SEA_FLAG_GPA_VALID	(1ULL << 0)
   482				__u64 flags;
   483				__u64 esr;
   484				__u64 gva;
   485				__u64 gpa;
   486			} arm_sea;
   487			/* KVM_EXIT_SNP_REQ_CERTS */
   488			struct kvm_exit_snp_req_certs snp_req_certs;
   489			/* Fix the size of the union. */
   490			char padding[256];
   491		};
   492	
   493		/* 2048 is the size of the char array used to bound/pad the size
   494		 * of the union that holds sync regs.
   495		 */
   496		#define SYNC_REGS_SIZE_BYTES 2048
   497		/*
   498		 * shared registers between kvm and userspace.
   499		 * kvm_valid_regs specifies the register classes set by the host
   500		 * kvm_dirty_regs specified the register classes dirtied by userspace
   501		 * struct kvm_sync_regs is architecture specific, as well as the
   502		 * bits for kvm_valid_regs and kvm_dirty_regs
   503		 */
   504		__u64 kvm_valid_regs;
   505		__u64 kvm_dirty_regs;
   506		union {
   507			struct kvm_sync_regs regs;
   508			char padding[SYNC_REGS_SIZE_BYTES];
   509		} s;
   510	};
   511	
   512	/* for KVM_REGISTER_COALESCED_MMIO / KVM_UNREGISTER_COALESCED_MMIO */
   513	
   514	struct kvm_coalesced_mmio_zone {
   515		__u64 addr;
   516		__u32 size;
   517		union {
   518			__u32 pad;
   519			__u32 pio;
   520		};
   521	};
   522	
   523	struct kvm_coalesced_mmio {
   524		__u64 phys_addr;
   525		__u32 len;
   526		union {
   527			__u32 pad;
   528			__u32 pio;
   529		};
   530		__u8  data[8];
   531	};
   532	
   533	struct kvm_coalesced_mmio_ring {
   534		__u32 first, last;
   535		__DECLARE_FLEX_ARRAY(struct kvm_coalesced_mmio, coalesced_mmio);
   536	};
   537	
   538	#define KVM_COALESCED_MMIO_MAX \
   539		((PAGE_SIZE - sizeof(struct kvm_coalesced_mmio_ring)) / \
   540		 sizeof(struct kvm_coalesced_mmio))
   541	
   542	/* for KVM_TRANSLATE */
   543	struct kvm_translation {
   544		/* in */
   545		__u64 linear_address;
   546	
   547		/* out */
   548		__u64 physical_address;
   549		__u8  valid;
   550		__u8  writeable;
   551		__u8  usermode;
   552		__u8  pad[5];
   553	};
   554	
   555	/* for KVM_INTERRUPT */
   556	struct kvm_interrupt {
   557		/* in */
   558		__u32 irq;
   559	};
   560	
   561	/* for KVM_GET_DIRTY_LOG */
   562	struct kvm_dirty_log {
   563		__u32 slot;
   564		__u32 padding1;
   565		union {
   566			void *dirty_bitmap; /* one bit per page */
   567			__u64 padding2;
   568		};
   569	};
   570	
   571	/* for KVM_CLEAR_DIRTY_LOG */
   572	struct kvm_clear_dirty_log {
   573		__u32 slot;
   574		__u32 num_pages;
   575		__u64 first_page;
   576		union {
   577			void *dirty_bitmap; /* one bit per page */
   578			__u64 padding2;
   579		};
   580	};
   581	
   582	/* for KVM_SET_SIGNAL_MASK */
   583	struct kvm_signal_mask {
   584		__u32 len;
   585		__DECLARE_FLEX_ARRAY(__u8, sigset);
   586	};
   587	
   588	/* for KVM_TPR_ACCESS_REPORTING */
   589	struct kvm_tpr_access_ctl {
   590		__u32 enabled;
   591		__u32 flags;
   592		__u32 reserved[8];
   593	};
   594	
   595	/* for KVM_SET_VAPIC_ADDR */
   596	struct kvm_vapic_addr {
   597		__u64 vapic_addr;
   598	};
   599	
   600	/* for KVM_SET_MP_STATE */
   601	
   602	/* not all states are valid on all architectures */
   603	#define KVM_MP_STATE_RUNNABLE          0
   604	#define KVM_MP_STATE_UNINITIALIZED     1
   605	#define KVM_MP_STATE_INIT_RECEIVED     2
   606	#define KVM_MP_STATE_HALTED            3
   607	#define KVM_MP_STATE_SIPI_RECEIVED     4
   608	#define KVM_MP_STATE_STOPPED           5
   609	#define KVM_MP_STATE_CHECK_STOP        6
   610	#define KVM_MP_STATE_OPERATING         7
   611	#define KVM_MP_STATE_LOAD              8
   612	#define KVM_MP_STATE_AP_RESET_HOLD     9
   613	#define KVM_MP_STATE_SUSPENDED         10
   614	
   615	struct kvm_mp_state {
   616		__u32 mp_state;
   617	};
   618	
   619	/* for KVM_SET_GUEST_DEBUG */
   620	
   621	#define KVM_GUESTDBG_ENABLE		0x00000001
   622	#define KVM_GUESTDBG_SINGLESTEP		0x00000002
   623	
   624	struct kvm_guest_debug {
   625		__u32 control;
   626		__u32 pad;
   627		struct kvm_guest_debug_arch arch;
   628	};
   629	
   630	enum {
   631		kvm_ioeventfd_flag_nr_datamatch,
   632		kvm_ioeventfd_flag_nr_pio,
   633		kvm_ioeventfd_flag_nr_deassign,
   634		kvm_ioeventfd_flag_nr_virtio_ccw_notify,
   635		kvm_ioeventfd_flag_nr_fast_mmio,
   636		kvm_ioeventfd_flag_nr_max,
   637	};
   638	
   639	#define KVM_IOEVENTFD_FLAG_DATAMATCH (1 << kvm_ioeventfd_flag_nr_datamatch)
   640	#define KVM_IOEVENTFD_FLAG_PIO       (1 << kvm_ioeventfd_flag_nr_pio)
   641	#define KVM_IOEVENTFD_FLAG_DEASSIGN  (1 << kvm_ioeventfd_flag_nr_deassign)
   642	#define KVM_IOEVENTFD_FLAG_VIRTIO_CCW_NOTIFY \
   643		(1 << kvm_ioeventfd_flag_nr_virtio_ccw_notify)
   644	
   645	#define KVM_IOEVENTFD_VALID_FLAG_MASK  ((1 << kvm_ioeventfd_flag_nr_max) - 1)
   646	
   647	struct kvm_ioeventfd {
   648		__u64 datamatch;
   649		__u64 addr;        /* legal pio/mmio address */
   650		__u32 len;         /* 1, 2, 4, or 8 bytes; or 0 to ignore length */
   651		__s32 fd;
   652		__u32 flags;
   653		__u8  pad[36];
   654	};
   655	
   656	#define KVM_X86_DISABLE_EXITS_MWAIT          (1 << 0)
   657	#define KVM_X86_DISABLE_EXITS_HLT            (1 << 1)
   658	#define KVM_X86_DISABLE_EXITS_PAUSE          (1 << 2)
   659	#define KVM_X86_DISABLE_EXITS_CSTATE         (1 << 3)
   660	#define KVM_X86_DISABLE_EXITS_APERFMPERF     (1 << 4)
   661	
   662	/* for KVM_ENABLE_CAP */
   663	struct kvm_enable_cap {
   664		/* in */
   665		__u32 cap;
   666		__u32 flags;
   667		__u64 args[4];
   668		__u8  pad[64];
   669	};
   670	
   671	#define KVMIO 0xAE
   672	
   673	/* machine type bits, to be used as argument to KVM_CREATE_VM */
   674	#define KVM_VM_S390_UCONTROL	1
   675	
   676	/* on ppc, 0 indicate default, 1 should force HV and 2 PR */
   677	#define KVM_VM_PPC_HV 1
   678	#define KVM_VM_PPC_PR 2
   679	
   680	/* on MIPS, 0 indicates auto, 1 forces VZ ASE, 2 forces trap & emulate */
   681	#define KVM_VM_MIPS_AUTO	0
   682	#define KVM_VM_MIPS_VZ		1
   683	#define KVM_VM_MIPS_TE		2
   684	
   685	#define KVM_S390_SIE_PAGE_OFFSET 1
   686	
   687	/*
   688	 * On arm64, machine type can be used to request the physical
   689	 * address size for the VM. Bits[7-0] are reserved for the guest
   690	 * PA size shift (i.e, log2(PA_Size)). For backward compatibility,
   691	 * value 0 implies the default IPA size, 40bits.
   692	 */
   693	#define KVM_VM_TYPE_ARM_IPA_SIZE_MASK	0xffULL
   694	#define KVM_VM_TYPE_ARM_IPA_SIZE(x)		\
   695		((x) & KVM_VM_TYPE_ARM_IPA_SIZE_MASK)
   696	/*
   697	 * ioctls for /dev/kvm fds:
   698	 */
   699	#define KVM_GET_API_VERSION       _IO(KVMIO,   0x00)
   700	#define KVM_CREATE_VM             _IO(KVMIO,   0x01) /* returns a VM fd */
   701	#define KVM_GET_MSR_INDEX_LIST    _IOWR(KVMIO, 0x02, struct kvm_msr_list)
   702	
   703	#define KVM_S390_ENABLE_SIE       _IO(KVMIO,   0x06)
   704	/*
   705	 * Check if a kvm extension is available.  Argument is extension number,
   706	 * return is 1 (yes) or 0 (no, sorry).
   707	 */
   708	#define KVM_CHECK_EXTENSION       _IO(KVMIO,   0x03)
   709	/*
   710	 * Get size for mmap(vcpu_fd)
   711	 */
   712	#define KVM_GET_VCPU_MMAP_SIZE    _IO(KVMIO,   0x04) /* in bytes */
   713	#define KVM_GET_SUPPORTED_CPUID   _IOWR(KVMIO, 0x05, struct kvm_cpuid2)
   714	#define KVM_GET_EMULATED_CPUID	  _IOWR(KVMIO, 0x09, struct kvm_cpuid2)
   715	#define KVM_GET_MSR_FEATURE_INDEX_LIST    _IOWR(KVMIO, 0x0a, struct kvm_msr_list)
   716	
   717	/*
   718	 * Extension capability list.
   719	 */
   720	#define KVM_CAP_IRQCHIP	  0
   721	#define KVM_CAP_HLT	  1
   722	#define KVM_CAP_MMU_SHADOW_CACHE_CONTROL 2
   723	#define KVM_CAP_USER_MEMORY 3
   724	#define KVM_CAP_SET_TSS_ADDR 4
   725	#define KVM_CAP_VAPIC 6
   726	#define KVM_CAP_EXT_CPUID 7
   727	#define KVM_CAP_CLOCKSOURCE 8
   728	#define KVM_CAP_NR_VCPUS 9       /* returns recommended max vcpus per vm */
   729	#define KVM_CAP_NR_MEMSLOTS 10   /* returns max memory slots per vm */
   730	#define KVM_CAP_PIT 11
   731	#define KVM_CAP_NOP_IO_DELAY 12
   732	#define KVM_CAP_PV_MMU 13
   733	#define KVM_CAP_MP_STATE 14
   734	#define KVM_CAP_COALESCED_MMIO 15
   735	#define KVM_CAP_SYNC_MMU 16  /* Changes to host mmap are reflected in guest */
   736	#define KVM_CAP_IOMMU 18
   737	/* Bug in KVM_SET_USER_MEMORY_REGION fixed: */
   738	#define KVM_CAP_DESTROY_MEMORY_REGION_WORKS 21
   739	#define KVM_CAP_USER_NMI 22
   740	#define KVM_CAP_SET_GUEST_DEBUG 23
   741	#ifdef __KVM_HAVE_PIT
   742	#define KVM_CAP_REINJECT_CONTROL 24
   743	#endif
   744	#define KVM_CAP_IRQ_ROUTING 25
   745	#define KVM_CAP_IRQ_INJECT_STATUS 26
   746	#define KVM_CAP_ASSIGN_DEV_IRQ 29
   747	/* Another bug in KVM_SET_USER_MEMORY_REGION fixed: */
   748	#define KVM_CAP_JOIN_MEMORY_REGIONS_WORKS 30
   749	#ifdef __KVM_HAVE_MCE
   750	#define KVM_CAP_MCE 31
   751	#endif
   752	#define KVM_CAP_IRQFD 32
   753	#ifdef __KVM_HAVE_PIT
   754	#define KVM_CAP_PIT2 33
   755	#endif
   756	#define KVM_CAP_SET_BOOT_CPU_ID 34
   757	#ifdef __KVM_HAVE_PIT_STATE2
   758	#define KVM_CAP_PIT_STATE2 35
   759	#endif
   760	#define KVM_CAP_IOEVENTFD 36
   761	#define KVM_CAP_SET_IDENTITY_MAP_ADDR 37
   762	#ifdef __KVM_HAVE_XEN_HVM
   763	#define KVM_CAP_XEN_HVM 38
   764	#endif
   765	#define KVM_CAP_ADJUST_CLOCK 39
   766	#define KVM_CAP_INTERNAL_ERROR_DATA 40
   767	#ifdef __KVM_HAVE_VCPU_EVENTS
   768	#define KVM_CAP_VCPU_EVENTS 41
   769	#endif
   770	#define KVM_CAP_S390_PSW 42
   771	#define KVM_CAP_PPC_SEGSTATE 43
   772	#define KVM_CAP_HYPERV 44
   773	#define KVM_CAP_HYPERV_VAPIC 45
   774	#define KVM_CAP_HYPERV_SPIN 46
   775	#define KVM_CAP_PCI_SEGMENT 47
   776	#define KVM_CAP_PPC_PAIRED_SINGLES 48
   777	#define KVM_CAP_INTR_SHADOW 49
   778	#ifdef __KVM_HAVE_DEBUGREGS
   779	#define KVM_CAP_DEBUGREGS 50
   780	#endif
   781	#define KVM_CAP_X86_ROBUST_SINGLESTEP 51
   782	#define KVM_CAP_PPC_OSI 52
   783	#define KVM_CAP_PPC_UNSET_IRQ 53
   784	#define KVM_CAP_ENABLE_CAP 54
   785	#ifdef __KVM_HAVE_XSAVE
   786	#define KVM_CAP_XSAVE 55
   787	#endif
   788	#ifdef __KVM_HAVE_XCRS
   789	#define KVM_CAP_XCRS 56
   790	#endif
   791	#define KVM_CAP_PPC_GET_PVINFO 57
   792	#define KVM_CAP_PPC_IRQ_LEVEL 58
   793	#define KVM_CAP_ASYNC_PF 59
   794	#define KVM_CAP_TSC_CONTROL 60
   795	#define KVM_CAP_GET_TSC_KHZ 61
   796	#define KVM_CAP_PPC_BOOKE_SREGS 62
   797	#define KVM_CAP_SPAPR_TCE 63
   798	#define KVM_CAP_PPC_SMT 64
   799	#define KVM_CAP_PPC_RMA	65
   800	#define KVM_CAP_MAX_VCPUS 66       /* returns max vcpus per vm */
   801	#define KVM_CAP_PPC_HIOR 67
   802	#define KVM_CAP_PPC_PAPR 68
   803	#define KVM_CAP_SW_TLB 69
   804	#define KVM_CAP_ONE_REG 70
   805	#define KVM_CAP_S390_GMAP 71
   806	#define KVM_CAP_TSC_DEADLINE_TIMER 72
   807	#define KVM_CAP_S390_UCONTROL 73
   808	#define KVM_CAP_SYNC_REGS 74
   809	#define KVM_CAP_PCI_2_3 75
   810	#define KVM_CAP_KVMCLOCK_CTRL 76
   811	#define KVM_CAP_SIGNAL_MSI 77
   812	#define KVM_CAP_PPC_GET_SMMU_INFO 78
   813	#define KVM_CAP_S390_COW 79
   814	#define KVM_CAP_PPC_ALLOC_HTAB 80
   815	#define KVM_CAP_READONLY_MEM 81
   816	#define KVM_CAP_IRQFD_RESAMPLE 82
   817	#define KVM_CAP_PPC_BOOKE_WATCHDOG 83
   818	#define KVM_CAP_PPC_HTAB_FD 84
   819	#define KVM_CAP_S390_CSS_SUPPORT 85
   820	#define KVM_CAP_PPC_EPR 86
   821	#define KVM_CAP_ARM_PSCI 87
   822	#define KVM_CAP_ARM_SET_DEVICE_ADDR 88
   823	#define KVM_CAP_DEVICE_CTRL 89
   824	#define KVM_CAP_IRQ_MPIC 90
   825	#define KVM_CAP_PPC_RTAS 91
   826	#define KVM_CAP_IRQ_XICS 92
   827	#define KVM_CAP_ARM_EL1_32BIT 93
   828	#define KVM_CAP_SPAPR_MULTITCE 94
   829	#define KVM_CAP_EXT_EMUL_CPUID 95
   830	#define KVM_CAP_HYPERV_TIME 96
   831	#define KVM_CAP_IOAPIC_POLARITY_IGNORED 97
   832	#define KVM_CAP_ENABLE_CAP_VM 98
   833	#define KVM_CAP_S390_IRQCHIP 99
   834	#define KVM_CAP_IOEVENTFD_NO_LENGTH 100
   835	#define KVM_CAP_VM_ATTRIBUTES 101
   836	#define KVM_CAP_ARM_PSCI_0_2 102
   837	#define KVM_CAP_PPC_FIXUP_HCALL 103
   838	#define KVM_CAP_PPC_ENABLE_HCALL 104
   839	#define KVM_CAP_CHECK_EXTENSION_VM 105
   840	#define KVM_CAP_S390_USER_SIGP 106
   841	#define KVM_CAP_S390_VECTOR_REGISTERS 107
   842	#define KVM_CAP_S390_MEM_OP 108
   843	#define KVM_CAP_S390_USER_STSI 109
   844	#define KVM_CAP_S390_SKEYS 110
   845	#define KVM_CAP_MIPS_FPU 111
   846	#define KVM_CAP_MIPS_MSA 112
   847	#define KVM_CAP_S390_INJECT_IRQ 113
   848	#define KVM_CAP_S390_IRQ_STATE 114
   849	#define KVM_CAP_PPC_HWRNG 115
   850	#define KVM_CAP_DISABLE_QUIRKS 116
   851	#define KVM_CAP_X86_SMM 117
   852	#define KVM_CAP_MULTI_ADDRESS_SPACE 118
   853	#define KVM_CAP_GUEST_DEBUG_HW_BPS 119
   854	#define KVM_CAP_GUEST_DEBUG_HW_WPS 120
   855	#define KVM_CAP_SPLIT_IRQCHIP 121
   856	#define KVM_CAP_IOEVENTFD_ANY_LENGTH 122
   857	#define KVM_CAP_HYPERV_SYNIC 123
   858	#define KVM_CAP_S390_RI 124
   859	#define KVM_CAP_SPAPR_TCE_64 125
   860	#define KVM_CAP_ARM_PMU_V3 126
   861	#define KVM_CAP_VCPU_ATTRIBUTES 127
   862	#define KVM_CAP_MAX_VCPU_ID 128
   863	#define KVM_CAP_X2APIC_API 129
   864	#define KVM_CAP_S390_USER_INSTR0 130
   865	#define KVM_CAP_MSI_DEVID 131
   866	#define KVM_CAP_PPC_HTM 132
   867	#define KVM_CAP_SPAPR_RESIZE_HPT 133
   868	#define KVM_CAP_PPC_MMU_RADIX 134
   869	#define KVM_CAP_PPC_MMU_HASH_V3 135
   870	#define KVM_CAP_IMMEDIATE_EXIT 136
   871	#define KVM_CAP_MIPS_VZ 137
   872	#define KVM_CAP_MIPS_TE 138
   873	#define KVM_CAP_MIPS_64BIT 139
   874	#define KVM_CAP_S390_GS 140
   875	#define KVM_CAP_S390_AIS 141
   876	#define KVM_CAP_SPAPR_TCE_VFIO 142
   877	#define KVM_CAP_X86_DISABLE_EXITS 143
   878	#define KVM_CAP_ARM_USER_IRQ 144
   879	#define KVM_CAP_S390_CMMA_MIGRATION 145
   880	#define KVM_CAP_PPC_FWNMI 146
   881	#define KVM_CAP_PPC_SMT_POSSIBLE 147
   882	#define KVM_CAP_HYPERV_SYNIC2 148
   883	#define KVM_CAP_HYPERV_VP_INDEX 149
   884	#define KVM_CAP_S390_AIS_MIGRATION 150
   885	#define KVM_CAP_PPC_GET_CPU_CHAR 151
   886	#define KVM_CAP_S390_BPB 152
   887	#define KVM_CAP_GET_MSR_FEATURES 153
   888	#define KVM_CAP_HYPERV_EVENTFD 154
   889	#define KVM_CAP_HYPERV_TLBFLUSH 155
   890	#define KVM_CAP_S390_HPAGE_1M 156
   891	#define KVM_CAP_NESTED_STATE 157
   892	#define KVM_CAP_ARM_INJECT_SERROR_ESR 158
   893	#define KVM_CAP_MSR_PLATFORM_INFO 159
   894	#define KVM_CAP_PPC_NESTED_HV 160
   895	#define KVM_CAP_HYPERV_SEND_IPI 161
   896	#define KVM_CAP_COALESCED_PIO 162
   897	#define KVM_CAP_HYPERV_ENLIGHTENED_VMCS 163
   898	#define KVM_CAP_EXCEPTION_PAYLOAD 164
   899	#define KVM_CAP_ARM_VM_IPA_SIZE 165
   900	#define KVM_CAP_MANUAL_DIRTY_LOG_PROTECT 166 /* Obsolete */
   901	#define KVM_CAP_HYPERV_CPUID 167
   902	#define KVM_CAP_MANUAL_DIRTY_LOG_PROTECT2 168
   903	#define KVM_CAP_PPC_IRQ_XIVE 169
   904	#define KVM_CAP_ARM_SVE 170
   905	#define KVM_CAP_ARM_PTRAUTH_ADDRESS 171
   906	#define KVM_CAP_ARM_PTRAUTH_GENERIC 172
   907	#define KVM_CAP_PMU_EVENT_FILTER 173
   908	#define KVM_CAP_ARM_IRQ_LINE_LAYOUT_2 174
   909	#define KVM_CAP_HYPERV_DIRECT_TLBFLUSH 175
   910	#define KVM_CAP_PPC_GUEST_DEBUG_SSTEP 176
   911	#define KVM_CAP_ARM_NISV_TO_USER 177
   912	#define KVM_CAP_ARM_INJECT_EXT_DABT 178
   913	#define KVM_CAP_S390_VCPU_RESETS 179
   914	#define KVM_CAP_S390_PROTECTED 180
   915	#define KVM_CAP_PPC_SECURE_GUEST 181
   916	#define KVM_CAP_HALT_POLL 182
   917	#define KVM_CAP_ASYNC_PF_INT 183
   918	#define KVM_CAP_LAST_CPU 184
   919	#define KVM_CAP_SMALLER_MAXPHYADDR 185
   920	#define KVM_CAP_S390_DIAG318 186
   921	#define KVM_CAP_STEAL_TIME 187
   922	#define KVM_CAP_X86_USER_SPACE_MSR 188
   923	#define KVM_CAP_X86_MSR_FILTER 189
   924	#define KVM_CAP_ENFORCE_PV_FEATURE_CPUID 190
   925	#define KVM_CAP_SYS_HYPERV_CPUID 191
   926	#define KVM_CAP_DIRTY_LOG_RING 192
   927	#define KVM_CAP_X86_BUS_LOCK_EXIT 193
   928	#define KVM_CAP_PPC_DAWR1 194
   929	#define KVM_CAP_SET_GUEST_DEBUG2 195
   930	#define KVM_CAP_SGX_ATTRIBUTE 196
   931	#define KVM_CAP_VM_COPY_ENC_CONTEXT_FROM 197
   932	#define KVM_CAP_PTP_KVM 198
   933	#define KVM_CAP_HYPERV_ENFORCE_CPUID 199
   934	#define KVM_CAP_SREGS2 200
   935	#define KVM_CAP_EXIT_HYPERCALL 201
   936	#define KVM_CAP_PPC_RPT_INVALIDATE 202
   937	#define KVM_CAP_BINARY_STATS_FD 203
   938	#define KVM_CAP_EXIT_ON_EMULATION_FAILURE 204
   939	#define KVM_CAP_ARM_MTE 205
   940	#define KVM_CAP_VM_MOVE_ENC_CONTEXT_FROM 206
   941	#define KVM_CAP_VM_GPA_BITS 207
   942	#define KVM_CAP_XSAVE2 208
   943	#define KVM_CAP_SYS_ATTRIBUTES 209
   944	#define KVM_CAP_PPC_AIL_MODE_3 210
   945	#define KVM_CAP_S390_MEM_OP_EXTENSION 211
   946	#define KVM_CAP_PMU_CAPABILITY 212
   947	#define KVM_CAP_DISABLE_QUIRKS2 213
   948	#define KVM_CAP_VM_TSC_CONTROL 214
   949	#define KVM_CAP_SYSTEM_EVENT_DATA 215
   950	#define KVM_CAP_ARM_SYSTEM_SUSPEND 216
   951	#define KVM_CAP_S390_PROTECTED_DUMP 217
   952	#define KVM_CAP_X86_TRIPLE_FAULT_EVENT 218
   953	#define KVM_CAP_X86_NOTIFY_VMEXIT 219
   954	#define KVM_CAP_VM_DISABLE_NX_HUGE_PAGES 220
   955	#define KVM_CAP_S390_ZPCI_OP 221
   956	#define KVM_CAP_S390_CPU_TOPOLOGY 222
   957	#define KVM_CAP_DIRTY_LOG_RING_ACQ_REL 223
   958	#define KVM_CAP_S390_PROTECTED_ASYNC_DISABLE 224
   959	#define KVM_CAP_DIRTY_LOG_RING_WITH_BITMAP 225
   960	#define KVM_CAP_PMU_EVENT_MASKED_EVENTS 226
   961	#define KVM_CAP_COUNTER_OFFSET 227
   962	#define KVM_CAP_ARM_EAGER_SPLIT_CHUNK_SIZE 228
   963	#define KVM_CAP_ARM_SUPPORTED_BLOCK_SIZES 229
   964	#define KVM_CAP_ARM_SUPPORTED_REG_MASK_RANGES 230
   965	#define KVM_CAP_USER_MEMORY2 231
   966	#define KVM_CAP_MEMORY_FAULT_INFO 232
   967	#define KVM_CAP_MEMORY_ATTRIBUTES 233
   968	#define KVM_CAP_GUEST_MEMFD 234
   969	#define KVM_CAP_VM_TYPES 235
   970	#define KVM_CAP_PRE_FAULT_MEMORY 236
   971	#define KVM_CAP_X86_APIC_BUS_CYCLES_NS 237
   972	#define KVM_CAP_X86_GUEST_MODE 238
   973	#define KVM_CAP_ARM_WRITABLE_IMP_ID_REGS 239
   974	#define KVM_CAP_ARM_EL2 240
   975	#define KVM_CAP_ARM_EL2_E2H0 241
   976	#define KVM_CAP_RISCV_MP_STATE_RESET 242
   977	#define KVM_CAP_ARM_CACHEABLE_PFNMAP_SUPPORTED 243
   978	#define KVM_CAP_GUEST_MEMFD_FLAGS 244
   979	#define KVM_CAP_ARM_SEA_TO_USER 245
   980	#define KVM_CAP_S390_USER_OPEREXEC 246
   981	#define KVM_CAP_S390_KEYOP 247
   982	#define KVM_CAP_S390_VSIE_ESAMODE 248
   983	
   984	struct kvm_irq_routing_irqchip {
   985		__u32 irqchip;
   986		__u32 pin;
   987	};
   988	
   989	struct kvm_irq_routing_msi {
   990		__u32 address_lo;
   991		__u32 address_hi;
   992		__u32 data;
   993		union {
   994			__u32 pad;
   995			__u32 devid;
   996		};
   997	};
   998	
   999	struct kvm_irq_routing_s390_adapter {
  1000		__u64 ind_addr;
  1001		__u64 summary_addr;
  1002		__u64 ind_offset;
  1003		__u32 summary_offset;
  1004		__u32 adapter_id;
  1005	};
  1006	
  1007	struct kvm_irq_routing_hv_sint {
  1008		__u32 vcpu;
  1009		__u32 sint;
  1010	};
  1011	
  1012	struct kvm_irq_routing_xen_evtchn {
  1013		__u32 port;
  1014		__u32 vcpu;
  1015		__u32 priority;
  1016	};
  1017	
  1018	#define KVM_IRQ_ROUTING_XEN_EVTCHN_PRIO_2LEVEL ((__u32)(-1))
  1019	
  1020	/* gsi routing entry types */
  1021	#define KVM_IRQ_ROUTING_IRQCHIP 1
  1022	#define KVM_IRQ_ROUTING_MSI 2
  1023	#define KVM_IRQ_ROUTING_S390_ADAPTER 3
  1024	#define KVM_IRQ_ROUTING_HV_SINT 4
  1025	#define KVM_IRQ_ROUTING_XEN_EVTCHN 5
  1026	
  1027	struct kvm_irq_routing_entry {
  1028		__u32 gsi;
  1029		__u32 type;
  1030		__u32 flags;
  1031		__u32 pad;
  1032		union {
  1033			struct kvm_irq_routing_irqchip irqchip;
  1034			struct kvm_irq_routing_msi msi;
  1035			struct kvm_irq_routing_s390_adapter adapter;
  1036			struct kvm_irq_routing_hv_sint hv_sint;
  1037			struct kvm_irq_routing_xen_evtchn xen_evtchn;
  1038			__u32 pad[8];
  1039		} u;
  1040	};
  1041	
  1042	struct kvm_irq_routing {
  1043		__u32 nr;
  1044		__u32 flags;
  1045		__DECLARE_FLEX_ARRAY(struct kvm_irq_routing_entry, entries);
  1046	};
  1047	
  1048	#define KVM_IRQFD_FLAG_DEASSIGN (1 << 0)
  1049	/*
  1050	 * Available with KVM_CAP_IRQFD_RESAMPLE
  1051	 *
  1052	 * KVM_IRQFD_FLAG_RESAMPLE indicates resamplefd is valid and specifies
  1053	 * the irqfd to operate in resampling mode for level triggered interrupt
  1054	 * emulation.  See Documentation/virt/kvm/api.rst.
  1055	 */
  1056	#define KVM_IRQFD_FLAG_RESAMPLE (1 << 1)
  1057	
  1058	struct kvm_irqfd {
  1059		__u32 fd;
  1060		__u32 gsi;
  1061		__u32 flags;
  1062		__u32 resamplefd;
  1063		__u8  pad[16];
  1064	};
  1065	
  1066	/* For KVM_CAP_ADJUST_CLOCK */
  1067	
  1068	/* Do not use 1, KVM_CHECK_EXTENSION returned it before we had flags.  */
  1069	#define KVM_CLOCK_TSC_STABLE		2
  1070	#define KVM_CLOCK_REALTIME		(1 << 2)
  1071	#define KVM_CLOCK_HOST_TSC		(1 << 3)
  1072	
  1073	struct kvm_clock_data {
  1074		__u64 clock;
  1075		__u32 flags;
  1076		__u32 pad0;
  1077		__u64 realtime;
  1078		__u64 host_tsc;
  1079		__u32 pad[4];
  1080	};
  1081	
  1082	/* For KVM_CAP_SW_TLB */
  1083	
  1084	#define KVM_MMU_FSL_BOOKE_NOHV		0
  1085	#define KVM_MMU_FSL_BOOKE_HV		1
  1086	
  1087	struct kvm_config_tlb {
  1088		__u64 params;
  1089		__u64 array;
  1090		__u32 mmu_type;
  1091		__u32 array_len;
  1092	};
  1093	
  1094	struct kvm_dirty_tlb {
  1095		__u64 bitmap;
  1096		__u32 num_dirty;
  1097	};
  1098	
  1099	/* Available with KVM_CAP_ONE_REG */
  1100	
  1101	#define KVM_REG_ARCH_MASK	0xff00000000000000ULL
  1102	#define KVM_REG_GENERIC		0x0000000000000000ULL
  1103	
  1104	/*
  1105	 * Architecture specific registers are to be defined in arch headers and
  1106	 * ORed with the arch identifier.
  1107	 */
  1108	#define KVM_REG_PPC		0x1000000000000000ULL
  1109	#define KVM_REG_X86		0x2000000000000000ULL
  1110	#define KVM_REG_IA64		0x3000000000000000ULL
  1111	#define KVM_REG_ARM		0x4000000000000000ULL
  1112	#define KVM_REG_S390		0x5000000000000000ULL
  1113	#define KVM_REG_ARM64		0x6000000000000000ULL
  1114	#define KVM_REG_MIPS		0x7000000000000000ULL
  1115	#define KVM_REG_RISCV		0x8000000000000000ULL
  1116	#define KVM_REG_LOONGARCH	0x9000000000000000ULL
  1117	
  1118	#define KVM_REG_SIZE_SHIFT	52
  1119	#define KVM_REG_SIZE_MASK	0x00f0000000000000ULL
  1120	
  1121	#define KVM_REG_SIZE(id)		\
  1122		(1U << (((id) & KVM_REG_SIZE_MASK) >> KVM_REG_SIZE_SHIFT))
  1123	
  1124	#define KVM_REG_SIZE_U8		0x0000000000000000ULL
  1125	#define KVM_REG_SIZE_U16	0x0010000000000000ULL
  1126	#define KVM_REG_SIZE_U32	0x0020000000000000ULL
  1127	#define KVM_REG_SIZE_U64	0x0030000000000000ULL
  1128	#define KVM_REG_SIZE_U128	0x0040000000000000ULL
  1129	#define KVM_REG_SIZE_U256	0x0050000000000000ULL
  1130	#define KVM_REG_SIZE_U512	0x0060000000000000ULL
  1131	#define KVM_REG_SIZE_U1024	0x0070000000000000ULL
  1132	#define KVM_REG_SIZE_U2048	0x0080000000000000ULL
  1133	
  1134	struct kvm_reg_list {
  1135		__u64 n; /* number of regs */
  1136		__DECLARE_FLEX_ARRAY(__u64, reg);
  1137	};
  1138	
  1139	struct kvm_one_reg {
  1140		__u64 id;
  1141		__u64 addr;
  1142	};
  1143	
  1144	#define KVM_MSI_VALID_DEVID	(1U << 0)
  1145	struct kvm_msi {
  1146		__u32 address_lo;
  1147		__u32 address_hi;
  1148		__u32 data;
  1149		__u32 flags;
  1150		__u32 devid;
  1151		__u8  pad[12];
  1152	};
  1153	
  1154	struct kvm_arm_device_addr {
  1155		__u64 id;
  1156		__u64 addr;
  1157	};
  1158	
  1159	/*
  1160	 * Device control API, available with KVM_CAP_DEVICE_CTRL
  1161	 */
  1162	#define KVM_CREATE_DEVICE_TEST		1
  1163	
  1164	struct kvm_create_device {
  1165		__u32	type;	/* in: KVM_DEV_TYPE_xxx */
  1166		__u32	fd;	/* out: device handle */
  1167		__u32	flags;	/* in: KVM_CREATE_DEVICE_xxx */
  1168	};
  1169	
  1170	struct kvm_device_attr {
  1171		__u32	flags;		/* no flags currently defined */
  1172		__u32	group;		/* device-defined */
  1173		__u64	attr;		/* group-defined */
  1174		__u64	addr;		/* userspace address of attr data */
  1175	};
  1176	
  1177	#define  KVM_DEV_VFIO_FILE			1
  1178	
  1179	#define   KVM_DEV_VFIO_FILE_ADD			1
  1180	#define   KVM_DEV_VFIO_FILE_DEL			2
  1181	
  1182	/* KVM_DEV_VFIO_GROUP aliases are for compile time uapi compatibility */
  1183	#define  KVM_DEV_VFIO_GROUP	KVM_DEV_VFIO_FILE
  1184	
  1185	#define   KVM_DEV_VFIO_GROUP_ADD	KVM_DEV_VFIO_FILE_ADD
  1186	#define   KVM_DEV_VFIO_GROUP_DEL	KVM_DEV_VFIO_FILE_DEL
  1187	#define   KVM_DEV_VFIO_GROUP_SET_SPAPR_TCE		3
  1188	
  1189	enum kvm_device_type {
  1190		KVM_DEV_TYPE_FSL_MPIC_20	= 1,
  1191	#define KVM_DEV_TYPE_FSL_MPIC_20	KVM_DEV_TYPE_FSL_MPIC_20
  1192		KVM_DEV_TYPE_FSL_MPIC_42,
  1193	#define KVM_DEV_TYPE_FSL_MPIC_42	KVM_DEV_TYPE_FSL_MPIC_42
  1194		KVM_DEV_TYPE_XICS,
  1195	#define KVM_DEV_TYPE_XICS		KVM_DEV_TYPE_XICS
  1196		KVM_DEV_TYPE_VFIO,
  1197	#define KVM_DEV_TYPE_VFIO		KVM_DEV_TYPE_VFIO
  1198		KVM_DEV_TYPE_ARM_VGIC_V2,
  1199	#define KVM_DEV_TYPE_ARM_VGIC_V2	KVM_DEV_TYPE_ARM_VGIC_V2
  1200		KVM_DEV_TYPE_FLIC,
  1201	#define KVM_DEV_TYPE_FLIC		KVM_DEV_TYPE_FLIC
  1202		KVM_DEV_TYPE_ARM_VGIC_V3,
  1203	#define KVM_DEV_TYPE_ARM_VGIC_V3	KVM_DEV_TYPE_ARM_VGIC_V3
  1204		KVM_DEV_TYPE_ARM_VGIC_ITS,
  1205	#define KVM_DEV_TYPE_ARM_VGIC_ITS	KVM_DEV_TYPE_ARM_VGIC_ITS
  1206		KVM_DEV_TYPE_XIVE,
  1207	#define KVM_DEV_TYPE_XIVE		KVM_DEV_TYPE_XIVE
  1208		KVM_DEV_TYPE_ARM_PV_TIME,
  1209	#define KVM_DEV_TYPE_ARM_PV_TIME	KVM_DEV_TYPE_ARM_PV_TIME
  1210		KVM_DEV_TYPE_RISCV_AIA,
  1211	#define KVM_DEV_TYPE_RISCV_AIA		KVM_DEV_TYPE_RISCV_AIA
  1212		KVM_DEV_TYPE_LOONGARCH_IPI,
  1213	#define KVM_DEV_TYPE_LOONGARCH_IPI	KVM_DEV_TYPE_LOONGARCH_IPI
  1214		KVM_DEV_TYPE_LOONGARCH_EIOINTC,
  1215	#define KVM_DEV_TYPE_LOONGARCH_EIOINTC	KVM_DEV_TYPE_LOONGARCH_EIOINTC
  1216		KVM_DEV_TYPE_LOONGARCH_PCHPIC,
  1217	#define KVM_DEV_TYPE_LOONGARCH_PCHPIC	KVM_DEV_TYPE_LOONGARCH_PCHPIC
  1218	
  1219		KVM_DEV_TYPE_MAX,
  1220	
  1221	};
  1222	
  1223	struct kvm_vfio_spapr_tce {
  1224		__s32	groupfd;
  1225		__s32	tablefd;
  1226	};
  1227	
  1228	#define KVM_S390_KEYOP_ISKE 0x01
  1229	#define KVM_S390_KEYOP_RRBE 0x02
  1230	#define KVM_S390_KEYOP_SSKE 0x03
  1231	struct kvm_s390_keyop {
  1232		__u64 guest_addr;
  1233		__u8  key;
  1234		__u8  operation;
  1235		__u8  pad[6];
  1236	};
  1237	
  1238	/*
  1239	 * KVM_CREATE_VCPU receives as a parameter the vcpu slot, and returns
  1240	 * a vcpu fd.
  1241	 */
  1242	#define KVM_CREATE_VCPU           _IO(KVMIO,   0x41)
  1243	#define KVM_GET_DIRTY_LOG         _IOW(KVMIO,  0x42, struct kvm_dirty_log)
  1244	#define KVM_SET_NR_MMU_PAGES      _IO(KVMIO,   0x44)
  1245	#define KVM_GET_NR_MMU_PAGES      _IO(KVMIO,   0x45)  /* deprecated */
  1246	#define KVM_SET_USER_MEMORY_REGION _IOW(KVMIO, 0x46, \
  1247						struct kvm_userspace_memory_region)
  1248	#define KVM_SET_TSS_ADDR          _IO(KVMIO,   0x47)
  1249	#define KVM_SET_IDENTITY_MAP_ADDR _IOW(KVMIO,  0x48, __u64)
  1250	#define KVM_SET_USER_MEMORY_REGION2 _IOW(KVMIO, 0x49, \
  1251						 struct kvm_userspace_memory_region2)
  1252	
  1253	/* enable ucontrol for s390 */
  1254	#define KVM_S390_UCAS_MAP        _IOW(KVMIO, 0x50, struct kvm_s390_ucas_mapping)
  1255	#define KVM_S390_UCAS_UNMAP      _IOW(KVMIO, 0x51, struct kvm_s390_ucas_mapping)
  1256	#define KVM_S390_VCPU_FAULT	 _IOW(KVMIO, 0x52, unsigned long)
  1257	#define KVM_S390_KEYOP           _IOWR(KVMIO, 0x53, struct kvm_s390_keyop)
  1258	
  1259	/* Device model IOC */
  1260	#define KVM_CREATE_IRQCHIP        _IO(KVMIO,   0x60)
  1261	#define KVM_IRQ_LINE              _IOW(KVMIO,  0x61, struct kvm_irq_level)
  1262	#define KVM_GET_IRQCHIP           _IOWR(KVMIO, 0x62, struct kvm_irqchip)
  1263	#define KVM_SET_IRQCHIP           _IOR(KVMIO,  0x63, struct kvm_irqchip)
  1264	#define KVM_CREATE_PIT            _IO(KVMIO,   0x64)
  1265	#define KVM_GET_PIT               _IOWR(KVMIO, 0x65, struct kvm_pit_state)
  1266	#define KVM_SET_PIT               _IOR(KVMIO,  0x66, struct kvm_pit_state)
  1267	#define KVM_IRQ_LINE_STATUS       _IOWR(KVMIO, 0x67, struct kvm_irq_level)
  1268	#define KVM_REGISTER_COALESCED_MMIO \
  1269				_IOW(KVMIO,  0x67, struct kvm_coalesced_mmio_zone)
  1270	#define KVM_UNREGISTER_COALESCED_MMIO \
  1271				_IOW(KVMIO,  0x68, struct kvm_coalesced_mmio_zone)
  1272	#define KVM_SET_GSI_ROUTING       _IOW(KVMIO,  0x6a, struct kvm_irq_routing)
  1273	#define KVM_REINJECT_CONTROL      _IO(KVMIO,   0x71)
  1274	#define KVM_IRQFD                 _IOW(KVMIO,  0x76, struct kvm_irqfd)
  1275	#define KVM_CREATE_PIT2		  _IOW(KVMIO,  0x77, struct kvm_pit_config)
  1276	#define KVM_SET_BOOT_CPU_ID       _IO(KVMIO,   0x78)
  1277	#define KVM_IOEVENTFD             _IOW(KVMIO,  0x79, struct kvm_ioeventfd)
  1278	#define KVM_XEN_HVM_CONFIG        _IOW(KVMIO,  0x7a, struct kvm_xen_hvm_config)
  1279	#define KVM_SET_CLOCK             _IOW(KVMIO,  0x7b, struct kvm_clock_data)
  1280	#define KVM_GET_CLOCK             _IOR(KVMIO,  0x7c, struct kvm_clock_data)
  1281	/* Available with KVM_CAP_PIT_STATE2 */
  1282	#define KVM_GET_PIT2              _IOR(KVMIO,  0x9f, struct kvm_pit_state2)
  1283	#define KVM_SET_PIT2              _IOW(KVMIO,  0xa0, struct kvm_pit_state2)
  1284	/* Available with KVM_CAP_PPC_GET_PVINFO */
  1285	#define KVM_PPC_GET_PVINFO	  _IOW(KVMIO,  0xa1, struct kvm_ppc_pvinfo)
  1286	/* Available with KVM_CAP_TSC_CONTROL for a vCPU, or with
  1287	*  KVM_CAP_VM_TSC_CONTROL to set defaults for a VM */
  1288	#define KVM_SET_TSC_KHZ           _IO(KVMIO,  0xa2)
  1289	#define KVM_GET_TSC_KHZ           _IO(KVMIO,  0xa3)
  1290	/* Available with KVM_CAP_SIGNAL_MSI */
  1291	#define KVM_SIGNAL_MSI            _IOW(KVMIO,  0xa5, struct kvm_msi)
  1292	/* Available with KVM_CAP_PPC_GET_SMMU_INFO */
  1293	#define KVM_PPC_GET_SMMU_INFO	  _IOR(KVMIO,  0xa6, struct kvm_ppc_smmu_info)
  1294	/* Available with KVM_CAP_PPC_ALLOC_HTAB */
  1295	#define KVM_PPC_ALLOCATE_HTAB	  _IOWR(KVMIO, 0xa7, __u32)
  1296	#define KVM_CREATE_SPAPR_TCE	  _IOW(KVMIO,  0xa8, struct kvm_create_spapr_tce)
  1297	#define KVM_CREATE_SPAPR_TCE_64	  _IOW(KVMIO,  0xa8, \
  1298					       struct kvm_create_spapr_tce_64)
  1299	/* Available with KVM_CAP_RMA */
  1300	#define KVM_ALLOCATE_RMA	  _IOR(KVMIO,  0xa9, struct kvm_allocate_rma)
  1301	/* Available with KVM_CAP_PPC_HTAB_FD */
  1302	#define KVM_PPC_GET_HTAB_FD	  _IOW(KVMIO,  0xaa, struct kvm_get_htab_fd)
  1303	/* Available with KVM_CAP_ARM_SET_DEVICE_ADDR */
  1304	#define KVM_ARM_SET_DEVICE_ADDR	  _IOW(KVMIO,  0xab, struct kvm_arm_device_addr)
  1305	/* Available with KVM_CAP_PPC_RTAS */
  1306	#define KVM_PPC_RTAS_DEFINE_TOKEN _IOW(KVMIO,  0xac, struct kvm_rtas_token_args)
  1307	/* Available with KVM_CAP_SPAPR_RESIZE_HPT */
  1308	#define KVM_PPC_RESIZE_HPT_PREPARE _IOR(KVMIO, 0xad, struct kvm_ppc_resize_hpt)
  1309	#define KVM_PPC_RESIZE_HPT_COMMIT  _IOR(KVMIO, 0xae, struct kvm_ppc_resize_hpt)
  1310	/* Available with KVM_CAP_PPC_MMU_RADIX or KVM_CAP_PPC_MMU_HASH_V3 */
  1311	#define KVM_PPC_CONFIGURE_V3_MMU  _IOW(KVMIO,  0xaf, struct kvm_ppc_mmuv3_cfg)
  1312	/* Available with KVM_CAP_PPC_MMU_RADIX */
  1313	#define KVM_PPC_GET_RMMU_INFO	  _IOW(KVMIO,  0xb0, struct kvm_ppc_rmmu_info)
  1314	/* Available with KVM_CAP_PPC_GET_CPU_CHAR */
  1315	#define KVM_PPC_GET_CPU_CHAR	  _IOR(KVMIO,  0xb1, struct kvm_ppc_cpu_char)
  1316	/* Available with KVM_CAP_PMU_EVENT_FILTER */
  1317	#define KVM_SET_PMU_EVENT_FILTER  _IOW(KVMIO,  0xb2, struct kvm_pmu_event_filter)
  1318	#define KVM_PPC_SVM_OFF		  _IO(KVMIO,  0xb3)
  1319	#define KVM_ARM_MTE_COPY_TAGS	  _IOR(KVMIO,  0xb4, struct kvm_arm_copy_mte_tags)
  1320	/* Available with KVM_CAP_COUNTER_OFFSET */
  1321	#define KVM_ARM_SET_COUNTER_OFFSET _IOW(KVMIO,  0xb5, struct kvm_arm_counter_offset)
  1322	#define KVM_ARM_GET_REG_WRITABLE_MASKS _IOR(KVMIO,  0xb6, struct reg_mask_range)
  1323	
  1324	/* ioctl for vm fd */
  1325	#define KVM_CREATE_DEVICE	  _IOWR(KVMIO,  0xe0, struct kvm_create_device)
  1326	
  1327	/* ioctls for fds returned by KVM_CREATE_DEVICE */
  1328	#define KVM_SET_DEVICE_ATTR	  _IOW(KVMIO,  0xe1, struct kvm_device_attr)
  1329	#define KVM_GET_DEVICE_ATTR	  _IOW(KVMIO,  0xe2, struct kvm_device_attr)
  1330	#define KVM_HAS_DEVICE_ATTR	  _IOW(KVMIO,  0xe3, struct kvm_device_attr)
  1331	
  1332	/*
  1333	 * ioctls for vcpu fds
  1334	 */
  1335	#define KVM_RUN                   _IO(KVMIO,   0x80)
  1336	#define KVM_GET_REGS              _IOR(KVMIO,  0x81, struct kvm_regs)
  1337	#define KVM_SET_REGS              _IOW(KVMIO,  0x82, struct kvm_regs)
  1338	#define KVM_GET_SREGS             _IOR(KVMIO,  0x83, struct kvm_sregs)
  1339	#define KVM_SET_SREGS             _IOW(KVMIO,  0x84, struct kvm_sregs)
  1340	#define KVM_TRANSLATE             _IOWR(KVMIO, 0x85, struct kvm_translation)
  1341	#define KVM_INTERRUPT             _IOW(KVMIO,  0x86, struct kvm_interrupt)
  1342	#define KVM_GET_MSRS              _IOWR(KVMIO, 0x88, struct kvm_msrs)
  1343	#define KVM_SET_MSRS              _IOW(KVMIO,  0x89, struct kvm_msrs)
  1344	#define KVM_SET_CPUID             _IOW(KVMIO,  0x8a, struct kvm_cpuid)
  1345	#define KVM_SET_SIGNAL_MASK       _IOW(KVMIO,  0x8b, struct kvm_signal_mask)
  1346	#define KVM_GET_FPU               _IOR(KVMIO,  0x8c, struct kvm_fpu)
  1347	#define KVM_SET_FPU               _IOW(KVMIO,  0x8d, struct kvm_fpu)
  1348	#define KVM_GET_LAPIC             _IOR(KVMIO,  0x8e, struct kvm_lapic_state)
  1349	#define KVM_SET_LAPIC             _IOW(KVMIO,  0x8f, struct kvm_lapic_state)
  1350	#define KVM_SET_CPUID2            _IOW(KVMIO,  0x90, struct kvm_cpuid2)
  1351	#define KVM_GET_CPUID2            _IOWR(KVMIO, 0x91, struct kvm_cpuid2)
  1352	/* Available with KVM_CAP_VAPIC */
  1353	#define KVM_TPR_ACCESS_REPORTING  _IOWR(KVMIO, 0x92, struct kvm_tpr_access_ctl)
  1354	/* Available with KVM_CAP_VAPIC */
  1355	#define KVM_SET_VAPIC_ADDR        _IOW(KVMIO,  0x93, struct kvm_vapic_addr)
  1356	/* valid for virtual machine (for floating interrupt)_and_ vcpu */
  1357	#define KVM_S390_INTERRUPT        _IOW(KVMIO,  0x94, struct kvm_s390_interrupt)
  1358	/* store status for s390 */
  1359	#define KVM_S390_STORE_STATUS_NOADDR    (-1ul)
  1360	#define KVM_S390_STORE_STATUS_PREFIXED  (-2ul)
  1361	#define KVM_S390_STORE_STATUS	  _IOW(KVMIO,  0x95, unsigned long)
  1362	/* initial ipl psw for s390 */
  1363	#define KVM_S390_SET_INITIAL_PSW  _IOW(KVMIO,  0x96, struct kvm_s390_psw)
  1364	/* initial reset for s390 */
  1365	#define KVM_S390_INITIAL_RESET    _IO(KVMIO,   0x97)
  1366	#define KVM_GET_MP_STATE          _IOR(KVMIO,  0x98, struct kvm_mp_state)
  1367	#define KVM_SET_MP_STATE          _IOW(KVMIO,  0x99, struct kvm_mp_state)
  1368	/* Available with KVM_CAP_USER_NMI */
  1369	#define KVM_NMI                   _IO(KVMIO,   0x9a)
  1370	/* Available with KVM_CAP_SET_GUEST_DEBUG */
  1371	#define KVM_SET_GUEST_DEBUG       _IOW(KVMIO,  0x9b, struct kvm_guest_debug)
  1372	/* MCE for x86 */
  1373	#define KVM_X86_SETUP_MCE         _IOW(KVMIO,  0x9c, __u64)
  1374	#define KVM_X86_GET_MCE_CAP_SUPPORTED _IOR(KVMIO,  0x9d, __u64)
  1375	#define KVM_X86_SET_MCE           _IOW(KVMIO,  0x9e, struct kvm_x86_mce)
  1376	/* Available with KVM_CAP_VCPU_EVENTS */
  1377	#define KVM_GET_VCPU_EVENTS       _IOR(KVMIO,  0x9f, struct kvm_vcpu_events)
  1378	#define KVM_SET_VCPU_EVENTS       _IOW(KVMIO,  0xa0, struct kvm_vcpu_events)
  1379	/* Available with KVM_CAP_DEBUGREGS */
  1380	#define KVM_GET_DEBUGREGS         _IOR(KVMIO,  0xa1, struct kvm_debugregs)
  1381	#define KVM_SET_DEBUGREGS         _IOW(KVMIO,  0xa2, struct kvm_debugregs)
  1382	/*
  1383	 * vcpu version available with KVM_CAP_ENABLE_CAP
  1384	 * vm version available with KVM_CAP_ENABLE_CAP_VM
  1385	 */
  1386	#define KVM_ENABLE_CAP            _IOW(KVMIO,  0xa3, struct kvm_enable_cap)
  1387	/* Available with KVM_CAP_XSAVE */
  1388	#define KVM_GET_XSAVE		  _IOR(KVMIO,  0xa4, struct kvm_xsave)
  1389	#define KVM_SET_XSAVE		  _IOW(KVMIO,  0xa5, struct kvm_xsave)
  1390	/* Available with KVM_CAP_XCRS */
  1391	#define KVM_GET_XCRS		  _IOR(KVMIO,  0xa6, struct kvm_xcrs)
  1392	#define KVM_SET_XCRS		  _IOW(KVMIO,  0xa7, struct kvm_xcrs)
  1393	/* Available with KVM_CAP_SW_TLB */
  1394	#define KVM_DIRTY_TLB		  _IOW(KVMIO,  0xaa, struct kvm_dirty_tlb)
  1395	/* Available with KVM_CAP_ONE_REG */
  1396	#define KVM_GET_ONE_REG		  _IOW(KVMIO,  0xab, struct kvm_one_reg)
  1397	#define KVM_SET_ONE_REG		  _IOW(KVMIO,  0xac, struct kvm_one_reg)
  1398	/* VM is being stopped by host */
  1399	#define KVM_KVMCLOCK_CTRL	  _IO(KVMIO,   0xad)
  1400	#define KVM_ARM_VCPU_INIT	  _IOW(KVMIO,  0xae, struct kvm_vcpu_init)
  1401	#define KVM_ARM_PREFERRED_TARGET  _IOR(KVMIO,  0xaf, struct kvm_vcpu_init)
  1402	#define KVM_GET_REG_LIST	  _IOWR(KVMIO, 0xb0, struct kvm_reg_list)
  1403	/* Available with KVM_CAP_S390_MEM_OP */
  1404	#define KVM_S390_MEM_OP		  _IOW(KVMIO,  0xb1, struct kvm_s390_mem_op)
  1405	/* Available with KVM_CAP_S390_SKEYS */
  1406	#define KVM_S390_GET_SKEYS      _IOW(KVMIO, 0xb2, struct kvm_s390_skeys)
  1407	#define KVM_S390_SET_SKEYS      _IOW(KVMIO, 0xb3, struct kvm_s390_skeys)
  1408	/* Available with KVM_CAP_S390_INJECT_IRQ */
  1409	#define KVM_S390_IRQ              _IOW(KVMIO,  0xb4, struct kvm_s390_irq)
  1410	/* Available with KVM_CAP_S390_IRQ_STATE */
  1411	#define KVM_S390_SET_IRQ_STATE	  _IOW(KVMIO, 0xb5, struct kvm_s390_irq_state)
  1412	#define KVM_S390_GET_IRQ_STATE	  _IOW(KVMIO, 0xb6, struct kvm_s390_irq_state)
  1413	/* Available with KVM_CAP_X86_SMM */
  1414	#define KVM_SMI                   _IO(KVMIO,   0xb7)
  1415	/* Available with KVM_CAP_S390_CMMA_MIGRATION */
  1416	#define KVM_S390_GET_CMMA_BITS      _IOWR(KVMIO, 0xb8, struct kvm_s390_cmma_log)
  1417	#define KVM_S390_SET_CMMA_BITS      _IOW(KVMIO, 0xb9, struct kvm_s390_cmma_log)
  1418	/* Memory Encryption Commands */
  1419	#define KVM_MEMORY_ENCRYPT_OP      _IOWR(KVMIO, 0xba, unsigned long)
  1420	
  1421	struct kvm_enc_region {
  1422		__u64 addr;
  1423		__u64 size;
  1424	};
  1425	
  1426	#define KVM_MEMORY_ENCRYPT_REG_REGION    _IOR(KVMIO, 0xbb, struct kvm_enc_region)
  1427	#define KVM_MEMORY_ENCRYPT_UNREG_REGION  _IOR(KVMIO, 0xbc, struct kvm_enc_region)
  1428	
  1429	/* Available with KVM_CAP_HYPERV_EVENTFD */
  1430	#define KVM_HYPERV_EVENTFD        _IOW(KVMIO,  0xbd, struct kvm_hyperv_eventfd)
  1431	
  1432	/* Available with KVM_CAP_NESTED_STATE */
  1433	#define KVM_GET_NESTED_STATE         _IOWR(KVMIO, 0xbe, struct kvm_nested_state)
  1434	#define KVM_SET_NESTED_STATE         _IOW(KVMIO,  0xbf, struct kvm_nested_state)
  1435	
  1436	/* Available with KVM_CAP_MANUAL_DIRTY_LOG_PROTECT_2 */
  1437	#define KVM_CLEAR_DIRTY_LOG          _IOWR(KVMIO, 0xc0, struct kvm_clear_dirty_log)
  1438	
  1439	/* Available with KVM_CAP_HYPERV_CPUID (vcpu) / KVM_CAP_SYS_HYPERV_CPUID (system) */
  1440	#define KVM_GET_SUPPORTED_HV_CPUID _IOWR(KVMIO, 0xc1, struct kvm_cpuid2)
  1441	
  1442	/* Available with KVM_CAP_ARM_SVE */
  1443	#define KVM_ARM_VCPU_FINALIZE	  _IOW(KVMIO,  0xc2, int)
  1444	
  1445	/* Available with  KVM_CAP_S390_VCPU_RESETS */
  1446	#define KVM_S390_NORMAL_RESET	_IO(KVMIO,   0xc3)
  1447	#define KVM_S390_CLEAR_RESET	_IO(KVMIO,   0xc4)
  1448	
  1449	/* Available with KVM_CAP_S390_PROTECTED */
  1450	#define KVM_S390_PV_COMMAND		_IOWR(KVMIO, 0xc5, struct kvm_pv_cmd)
  1451	
  1452	/* Available with KVM_CAP_X86_MSR_FILTER */
  1453	#define KVM_X86_SET_MSR_FILTER	_IOW(KVMIO,  0xc6, struct kvm_msr_filter)
  1454	
  1455	/* Available with KVM_CAP_DIRTY_LOG_RING */
  1456	#define KVM_RESET_DIRTY_RINGS		_IO(KVMIO, 0xc7)
  1457	
  1458	/* Per-VM Xen attributes */
  1459	#define KVM_XEN_HVM_GET_ATTR	_IOWR(KVMIO, 0xc8, struct kvm_xen_hvm_attr)
  1460	#define KVM_XEN_HVM_SET_ATTR	_IOW(KVMIO,  0xc9, struct kvm_xen_hvm_attr)
  1461	
  1462	/* Per-vCPU Xen attributes */
  1463	#define KVM_XEN_VCPU_GET_ATTR	_IOWR(KVMIO, 0xca, struct kvm_xen_vcpu_attr)
  1464	#define KVM_XEN_VCPU_SET_ATTR	_IOW(KVMIO,  0xcb, struct kvm_xen_vcpu_attr)
  1465	
  1466	/* Available with KVM_CAP_XEN_HVM / KVM_XEN_HVM_CONFIG_EVTCHN_SEND */
  1467	#define KVM_XEN_HVM_EVTCHN_SEND	_IOW(KVMIO,  0xd0, struct kvm_irq_routing_xen_evtchn)
  1468	
  1469	#define KVM_GET_SREGS2             _IOR(KVMIO,  0xcc, struct kvm_sregs2)
  1470	#define KVM_SET_SREGS2             _IOW(KVMIO,  0xcd, struct kvm_sregs2)
  1471	
  1472	#define KVM_DIRTY_LOG_MANUAL_PROTECT_ENABLE    (1 << 0)
  1473	#define KVM_DIRTY_LOG_INITIALLY_SET            (1 << 1)
  1474	
  1475	/*
  1476	 * Arch needs to define the macro after implementing the dirty ring
  1477	 * feature.  KVM_DIRTY_LOG_PAGE_OFFSET should be defined as the
  1478	 * starting page offset of the dirty ring structures.
  1479	 */
  1480	#ifndef KVM_DIRTY_LOG_PAGE_OFFSET
  1481	#define KVM_DIRTY_LOG_PAGE_OFFSET 0
  1482	#endif
  1483	
  1484	/*
  1485	 * KVM dirty GFN flags, defined as:
  1486	 *
  1487	 * |---------------+---------------+--------------|
  1488	 * | bit 1 (reset) | bit 0 (dirty) | Status       |
  1489	 * |---------------+---------------+--------------|
  1490	 * |             0 |             0 | Invalid GFN  |
  1491	 * |             0 |             1 | Dirty GFN    |
  1492	 * |             1 |             X | GFN to reset |
  1493	 * |---------------+---------------+--------------|
  1494	 *
  1495	 * Lifecycle of a dirty GFN goes like:
  1496	 *
  1497	 *      dirtied         harvested        reset
  1498	 * 00 -----------> 01 -------------> 1X -------+
  1499	 *  ^                                          |
  1500	 *  |                                          |
  1501	 *  +------------------------------------------+
  1502	 *
  1503	 * The userspace program is only responsible for the 01->1X state
  1504	 * conversion after harvesting an entry.  Also, it must not skip any
  1505	 * dirty bits, so that dirty bits are always harvested in sequence.
  1506	 */
  1507	#define KVM_DIRTY_GFN_F_DIRTY           _BITUL(0)
  1508	#define KVM_DIRTY_GFN_F_RESET           _BITUL(1)
  1509	#define KVM_DIRTY_GFN_F_MASK            0x3
  1510	
  1511	/*
  1512	 * KVM dirty rings should be mapped at KVM_DIRTY_LOG_PAGE_OFFSET of
  1513	 * per-vcpu mmaped regions as an array of struct kvm_dirty_gfn.  The
  1514	 * size of the gfn buffer is decided by the first argument when
  1515	 * enabling KVM_CAP_DIRTY_LOG_RING.
  1516	 */
  1517	struct kvm_dirty_gfn {
  1518		__u32 flags;
  1519		__u32 slot;
  1520		__u64 offset;
  1521	};
  1522	
  1523	#define KVM_BUS_LOCK_DETECTION_OFF             (1 << 0)
  1524	#define KVM_BUS_LOCK_DETECTION_EXIT            (1 << 1)
  1525	
  1526	#define KVM_PMU_CAP_DISABLE                    (1 << 0)
  1527	
  1528	/**
  1529	 * struct kvm_stats_header - Header of per vm/vcpu binary statistics data.
  1530	 * @flags: Some extra information for header, always 0 for now.
  1531	 * @name_size: The size in bytes of the memory which contains statistics
  1532	 *             name string including trailing '\0'. The memory is allocated
  1533	 *             at the send of statistics descriptor.
  1534	 * @num_desc: The number of statistics the vm or vcpu has.
  1535	 * @id_offset: The offset of the vm/vcpu stats' id string in the file pointed
  1536	 *             by vm/vcpu stats fd.
  1537	 * @desc_offset: The offset of the vm/vcpu stats' descriptor block in the file
  1538	 *               pointd by vm/vcpu stats fd.
  1539	 * @data_offset: The offset of the vm/vcpu stats' data block in the file
  1540	 *               pointed by vm/vcpu stats fd.
  1541	 *
  1542	 * This is the header userspace needs to read from stats fd before any other
  1543	 * readings. It is used by userspace to discover all the information about the
  1544	 * vm/vcpu's binary statistics.
  1545	 * Userspace reads this header from the start of the vm/vcpu's stats fd.
  1546	 */
  1547	struct kvm_stats_header {
  1548		__u32 flags;
  1549		__u32 name_size;
  1550		__u32 num_desc;
  1551		__u32 id_offset;
  1552		__u32 desc_offset;
  1553		__u32 data_offset;
  1554	};
  1555	
  1556	#define KVM_STATS_TYPE_SHIFT		0
  1557	#define KVM_STATS_TYPE_MASK		(0xF << KVM_STATS_TYPE_SHIFT)
  1558	#define KVM_STATS_TYPE_CUMULATIVE	(0x0 << KVM_STATS_TYPE_SHIFT)
  1559	#define KVM_STATS_TYPE_INSTANT		(0x1 << KVM_STATS_TYPE_SHIFT)
  1560	#define KVM_STATS_TYPE_PEAK		(0x2 << KVM_STATS_TYPE_SHIFT)
  1561	#define KVM_STATS_TYPE_LINEAR_HIST	(0x3 << KVM_STATS_TYPE_SHIFT)
  1562	#define KVM_STATS_TYPE_LOG_HIST		(0x4 << KVM_STATS_TYPE_SHIFT)
  1563	#define KVM_STATS_TYPE_MAX		KVM_STATS_TYPE_LOG_HIST
  1564	
  1565	#define KVM_STATS_UNIT_SHIFT		4
  1566	#define KVM_STATS_UNIT_MASK		(0xF << KVM_STATS_UNIT_SHIFT)
  1567	#define KVM_STATS_UNIT_NONE		(0x0 << KVM_STATS_UNIT_SHIFT)
  1568	#define KVM_STATS_UNIT_BYTES		(0x1 << KVM_STATS_UNIT_SHIFT)
  1569	#define KVM_STATS_UNIT_SECONDS		(0x2 << KVM_STATS_UNIT_SHIFT)
  1570	#define KVM_STATS_UNIT_CYCLES		(0x3 << KVM_STATS_UNIT_SHIFT)
  1571	#define KVM_STATS_UNIT_BOOLEAN		(0x4 << KVM_STATS_UNIT_SHIFT)
  1572	#define KVM_STATS_UNIT_MAX		KVM_STATS_UNIT_BOOLEAN
  1573	
  1574	#define KVM_STATS_BASE_SHIFT		8
  1575	#define KVM_STATS_BASE_MASK		(0xF << KVM_STATS_BASE_SHIFT)
  1576	#define KVM_STATS_BASE_POW10		(0x0 << KVM_STATS_BASE_SHIFT)
  1577	#define KVM_STATS_BASE_POW2		(0x1 << KVM_STATS_BASE_SHIFT)
  1578	#define KVM_STATS_BASE_MAX		KVM_STATS_BASE_POW2
  1579	
  1580	/**
  1581	 * struct kvm_stats_desc - Descriptor of a KVM statistics.
  1582	 * @flags: Annotations of the stats, like type, unit, etc.
  1583	 * @exponent: Used together with @flags to determine the unit.
  1584	 * @size: The number of data items for this stats.
  1585	 *        Every data item is of type __u64.
  1586	 * @offset: The offset of the stats to the start of stat structure in
  1587	 *          structure kvm or kvm_vcpu.
  1588	 * @bucket_size: A parameter value used for histogram stats. It is only used
  1589	 *		for linear histogram stats, specifying the size of the bucket;
  1590	 * @name: The name string for the stats. Its size is indicated by the
  1591	 *        &kvm_stats_header->name_size.
  1592	 */
  1593	struct kvm_stats_desc {
  1594		__u32 flags;
  1595		__s16 exponent;
  1596		__u16 size;
  1597		__u32 offset;
  1598		__u32 bucket_size;
  1599		__DECLARE_FLEX_ARRAY(char, name);
  1600	};
  1601	
  1602	#define KVM_GET_STATS_FD  _IO(KVMIO,  0xce)
  1603	
  1604	/* Available with KVM_CAP_XSAVE2 */
  1605	#define KVM_GET_XSAVE2		  _IOR(KVMIO,  0xcf, struct kvm_xsave)
  1606	
  1607	/* Available with KVM_CAP_S390_PROTECTED_DUMP */
  1608	#define KVM_S390_PV_CPU_COMMAND	_IOWR(KVMIO, 0xd0, struct kvm_pv_cmd)
  1609	
  1610	/* Available with KVM_CAP_X86_NOTIFY_VMEXIT */
  1611	#define KVM_X86_NOTIFY_VMEXIT_ENABLED		(1ULL << 0)
  1612	#define KVM_X86_NOTIFY_VMEXIT_USER		(1ULL << 1)
  1613	
  1614	/* Available with KVM_CAP_S390_ZPCI_OP */
  1615	#define KVM_S390_ZPCI_OP         _IOW(KVMIO,  0xd1, struct kvm_s390_zpci_op)
  1616	
  1617	/* Available with KVM_CAP_MEMORY_ATTRIBUTES */
  1618	#define KVM_SET_MEMORY_ATTRIBUTES              _IOW(KVMIO,  0xd2, struct kvm_memory_attributes)
  1619	
  1620	struct kvm_memory_attributes {
  1621		__u64 address;
  1622		__u64 size;
  1623		__u64 attributes;
  1624		__u64 flags;
  1625	};
  1626	
  1627	#define KVM_MEMORY_ATTRIBUTE_PRIVATE           (1ULL << 3)
  1628	
  1629	#define KVM_CREATE_GUEST_MEMFD	_IOWR(KVMIO,  0xd4, struct kvm_create_guest_memfd)
  1630	#define GUEST_MEMFD_FLAG_MMAP		(1ULL << 0)
  1631	#define GUEST_MEMFD_FLAG_INIT_SHARED	(1ULL << 1)
  1632	
  1633	struct kvm_create_guest_memfd {
  1634		__u64 size;
  1635		__u64 flags;
  1636		__u64 reserved[6];
  1637	};
  1638	
  1639	#define KVM_PRE_FAULT_MEMORY	_IOWR(KVMIO, 0xd5, struct kvm_pre_fault_memory)
  1640	
  1641	struct kvm_pre_fault_memory {
  1642		__u64 gpa;
  1643		__u64 size;
  1644		__u64 flags;
  1645		__u64 padding[5];
  1646	};
  1647	
  1648	#endif /* __LINUX_KVM_H */