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#include <linux/compiler.h>
14#include <linux/ioctl.h>
15#include <asm/kvm.h>
16
17#define KVM_API_VERSION 12
18
19/* *** Deprecated interfaces *** */
20
21#define KVM_TRC_SHIFT           16
22
23#define KVM_TRC_ENTRYEXIT       (1 << KVM_TRC_SHIFT)
24#define KVM_TRC_HANDLER         (1 << (KVM_TRC_SHIFT + 1))
25
26#define KVM_TRC_VMENTRY         (KVM_TRC_ENTRYEXIT + 0x01)
27#define KVM_TRC_VMEXIT          (KVM_TRC_ENTRYEXIT + 0x02)
28#define KVM_TRC_PAGE_FAULT      (KVM_TRC_HANDLER + 0x01)
29
30#define KVM_TRC_HEAD_SIZE       12
31#define KVM_TRC_CYCLE_SIZE      8
32#define KVM_TRC_EXTRA_MAX       7
33
34#define KVM_TRC_INJ_VIRQ         (KVM_TRC_HANDLER + 0x02)
35#define KVM_TRC_REDELIVER_EVT    (KVM_TRC_HANDLER + 0x03)
36#define KVM_TRC_PEND_INTR        (KVM_TRC_HANDLER + 0x04)
37#define KVM_TRC_IO_READ          (KVM_TRC_HANDLER + 0x05)
38#define KVM_TRC_IO_WRITE         (KVM_TRC_HANDLER + 0x06)
39#define KVM_TRC_CR_READ          (KVM_TRC_HANDLER + 0x07)
40#define KVM_TRC_CR_WRITE         (KVM_TRC_HANDLER + 0x08)
41#define KVM_TRC_DR_READ          (KVM_TRC_HANDLER + 0x09)
42#define KVM_TRC_DR_WRITE         (KVM_TRC_HANDLER + 0x0A)
43#define KVM_TRC_MSR_READ         (KVM_TRC_HANDLER + 0x0B)
44#define KVM_TRC_MSR_WRITE        (KVM_TRC_HANDLER + 0x0C)
45#define KVM_TRC_CPUID            (KVM_TRC_HANDLER + 0x0D)
46#define KVM_TRC_INTR             (KVM_TRC_HANDLER + 0x0E)
47#define KVM_TRC_NMI              (KVM_TRC_HANDLER + 0x0F)
48#define KVM_TRC_VMMCALL          (KVM_TRC_HANDLER + 0x10)
49#define KVM_TRC_HLT              (KVM_TRC_HANDLER + 0x11)
50#define KVM_TRC_CLTS             (KVM_TRC_HANDLER + 0x12)
51#define KVM_TRC_LMSW             (KVM_TRC_HANDLER + 0x13)
52#define KVM_TRC_APIC_ACCESS      (KVM_TRC_HANDLER + 0x14)
53#define KVM_TRC_TDP_FAULT        (KVM_TRC_HANDLER + 0x15)
54#define KVM_TRC_GTLB_WRITE       (KVM_TRC_HANDLER + 0x16)
55#define KVM_TRC_STLB_WRITE       (KVM_TRC_HANDLER + 0x17)
56#define KVM_TRC_STLB_INVAL       (KVM_TRC_HANDLER + 0x18)
57#define KVM_TRC_PPC_INSTR        (KVM_TRC_HANDLER + 0x19)
58
59struct kvm_user_trace_setup {
60	__u32 buf_size;
61	__u32 buf_nr;
62};
63
64#define __KVM_DEPRECATED_MAIN_W_0x06 \
65	_IOW(KVMIO, 0x06, struct kvm_user_trace_setup)
66#define __KVM_DEPRECATED_MAIN_0x07 _IO(KVMIO, 0x07)
67#define __KVM_DEPRECATED_MAIN_0x08 _IO(KVMIO, 0x08)
68
69#define __KVM_DEPRECATED_VM_R_0x70 _IOR(KVMIO, 0x70, struct kvm_assigned_irq)
70
71struct kvm_breakpoint {
72	__u32 enabled;
73	__u32 padding;
74	__u64 address;
75};
76
77struct kvm_debug_guest {
78	__u32 enabled;
79	__u32 pad;
80	struct kvm_breakpoint breakpoints[4];
81	__u32 singlestep;
82};
83
84#define __KVM_DEPRECATED_VCPU_W_0x87 _IOW(KVMIO, 0x87, struct kvm_debug_guest)
85
86/* *** End of deprecated interfaces *** */
87
88
89/* for KVM_CREATE_MEMORY_REGION */
90struct kvm_memory_region {
91	__u32 slot;
92	__u32 flags;
93	__u64 guest_phys_addr;
94	__u64 memory_size; /* bytes */
95};
96
97/* for KVM_SET_USER_MEMORY_REGION */
98struct kvm_userspace_memory_region {
99	__u32 slot;
100	__u32 flags;
101	__u64 guest_phys_addr;
102	__u64 memory_size; /* bytes */
103	__u64 userspace_addr; /* start of the userspace allocated memory */
104};
105
106/*
107 * The bit 0 ~ bit 15 of kvm_memory_region::flags are visible for userspace,
108 * other bits are reserved for kvm internal use which are defined in
109 * include/linux/kvm_host.h.
110 */
111#define KVM_MEM_LOG_DIRTY_PAGES	(1UL << 0)
112#define KVM_MEM_READONLY	(1UL << 1)
113
114/* for KVM_IRQ_LINE */
115struct kvm_irq_level {
116	/*
117	 * ACPI gsi notion of irq.
118	 * For IA-64 (APIC model) IOAPIC0: irq 0-23; IOAPIC1: irq 24-47..
119	 * For X86 (standard AT mode) PIC0/1: irq 0-15. IOAPIC0: 0-23..
120	 * For ARM: See Documentation/virt/kvm/api.rst
121	 */
122	union {
123		__u32 irq;
124		__s32 status;
125	};
126	__u32 level;
127};
128
129
130struct kvm_irqchip {
131	__u32 chip_id;
132	__u32 pad;
133        union {
134		char dummy[512];  /* reserving space */
135#ifdef __KVM_HAVE_PIT
136		struct kvm_pic_state pic;
137#endif
138#ifdef __KVM_HAVE_IOAPIC
139		struct kvm_ioapic_state ioapic;
140#endif
141	} chip;
142};
143
144/* for KVM_CREATE_PIT2 */
145struct kvm_pit_config {
146	__u32 flags;
147	__u32 pad[15];
148};
149
150#define KVM_PIT_SPEAKER_DUMMY     1
151
152struct kvm_s390_skeys {
153	__u64 start_gfn;
154	__u64 count;
155	__u64 skeydata_addr;
156	__u32 flags;
157	__u32 reserved[9];
158};
159
160#define KVM_S390_CMMA_PEEK (1 << 0)
161
162/**
163 * kvm_s390_cmma_log - Used for CMMA migration.
164 *
165 * Used both for input and output.
166 *
167 * @start_gfn: Guest page number to start from.
168 * @count: Size of the result buffer.
169 * @flags: Control operation mode via KVM_S390_CMMA_* flags
170 * @remaining: Used with KVM_S390_GET_CMMA_BITS. Indicates how many dirty
171 *             pages are still remaining.
172 * @mask: Used with KVM_S390_SET_CMMA_BITS. Bitmap of bits to actually set
173 *        in the PGSTE.
174 * @values: Pointer to the values buffer.
175 *
176 * Used in KVM_S390_{G,S}ET_CMMA_BITS ioctls.
177 */
178struct kvm_s390_cmma_log {
179	__u64 start_gfn;
180	__u32 count;
181	__u32 flags;
182	union {
183		__u64 remaining;
184		__u64 mask;
185	};
186	__u64 values;
187};
188
189struct kvm_hyperv_exit {
190#define KVM_EXIT_HYPERV_SYNIC          1
191#define KVM_EXIT_HYPERV_HCALL          2
192#define KVM_EXIT_HYPERV_SYNDBG         3
193	__u32 type;
194	__u32 pad1;
195	union {
196		struct {
197			__u32 msr;
198			__u32 pad2;
199			__u64 control;
200			__u64 evt_page;
201			__u64 msg_page;
202		} synic;
203		struct {
204			__u64 input;
205			__u64 result;
206			__u64 params[2];
207		} hcall;
208		struct {
209			__u32 msr;
210			__u32 pad2;
211			__u64 control;
212			__u64 status;
213			__u64 send_page;
214			__u64 recv_page;
215			__u64 pending_page;
216		} syndbg;
217	} u;
218};
219
220struct kvm_xen_exit {
221#define KVM_EXIT_XEN_HCALL          1
222	__u32 type;
223	union {
224		struct {
225			__u32 longmode;
226			__u32 cpl;
227			__u64 input;
228			__u64 result;
229			__u64 params[6];
230		} hcall;
231	} u;
232};
233
234#define KVM_S390_GET_SKEYS_NONE   1
235#define KVM_S390_SKEYS_MAX        1048576
236
237#define KVM_EXIT_UNKNOWN          0
238#define KVM_EXIT_EXCEPTION        1
239#define KVM_EXIT_IO               2
240#define KVM_EXIT_HYPERCALL        3
241#define KVM_EXIT_DEBUG            4
242#define KVM_EXIT_HLT              5
243#define KVM_EXIT_MMIO             6
244#define KVM_EXIT_IRQ_WINDOW_OPEN  7
245#define KVM_EXIT_SHUTDOWN         8
246#define KVM_EXIT_FAIL_ENTRY       9
247#define KVM_EXIT_INTR             10
248#define KVM_EXIT_SET_TPR          11
249#define KVM_EXIT_TPR_ACCESS       12
250#define KVM_EXIT_S390_SIEIC       13
251#define KVM_EXIT_S390_RESET       14
252#define KVM_EXIT_DCR              15 /* deprecated */
253#define KVM_EXIT_NMI              16
254#define KVM_EXIT_INTERNAL_ERROR   17
255#define KVM_EXIT_OSI              18
256#define KVM_EXIT_PAPR_HCALL	  19
257#define KVM_EXIT_S390_UCONTROL	  20
258#define KVM_EXIT_WATCHDOG         21
259#define KVM_EXIT_S390_TSCH        22
260#define KVM_EXIT_EPR              23
261#define KVM_EXIT_SYSTEM_EVENT     24
262#define KVM_EXIT_S390_STSI        25
263#define KVM_EXIT_IOAPIC_EOI       26
264#define KVM_EXIT_HYPERV           27
265#define KVM_EXIT_ARM_NISV         28
266#define KVM_EXIT_X86_RDMSR        29
267#define KVM_EXIT_X86_WRMSR        30
268#define KVM_EXIT_DIRTY_RING_FULL  31
269#define KVM_EXIT_AP_RESET_HOLD    32
270#define KVM_EXIT_X86_BUS_LOCK     33
271#define KVM_EXIT_XEN              34
272#define KVM_EXIT_RISCV_SBI        35
273
274/* For KVM_EXIT_INTERNAL_ERROR */
275/* Emulate instruction failed. */
276#define KVM_INTERNAL_ERROR_EMULATION	1
277/* Encounter unexpected simultaneous exceptions. */
278#define KVM_INTERNAL_ERROR_SIMUL_EX	2
279/* Encounter unexpected vm-exit due to delivery event. */
280#define KVM_INTERNAL_ERROR_DELIVERY_EV	3
281/* Encounter unexpected vm-exit reason */
282#define KVM_INTERNAL_ERROR_UNEXPECTED_EXIT_REASON	4
283
284/* Flags that describe what fields in emulation_failure hold valid data. */
285#define KVM_INTERNAL_ERROR_EMULATION_FLAG_INSTRUCTION_BYTES (1ULL << 0)
286
287/* for KVM_RUN, returned by mmap(vcpu_fd, offset=0) */
288struct kvm_run {
289	/* in */
290	__u8 request_interrupt_window;
291	__u8 immediate_exit;
292	__u8 padding1[6];
293
294	/* out */
295	__u32 exit_reason;
296	__u8 ready_for_interrupt_injection;
297	__u8 if_flag;
298	__u16 flags;
299
300	/* in (pre_kvm_run), out (post_kvm_run) */
301	__u64 cr8;
302	__u64 apic_base;
303
304#ifdef __KVM_S390
305	/* the processor status word for s390 */
306	__u64 psw_mask; /* psw upper half */
307	__u64 psw_addr; /* psw lower half */
308#endif
309	union {
310		/* KVM_EXIT_UNKNOWN */
311		struct {
312			__u64 hardware_exit_reason;
313		} hw;
314		/* KVM_EXIT_FAIL_ENTRY */
315		struct {
316			__u64 hardware_entry_failure_reason;
317			__u32 cpu;
318		} fail_entry;
319		/* KVM_EXIT_EXCEPTION */
320		struct {
321			__u32 exception;
322			__u32 error_code;
323		} ex;
324		/* KVM_EXIT_IO */
325		struct {
326#define KVM_EXIT_IO_IN  0
327#define KVM_EXIT_IO_OUT 1
328			__u8 direction;
329			__u8 size; /* bytes */
330			__u16 port;
331			__u32 count;
332			__u64 data_offset; /* relative to kvm_run start */
333		} io;
334		/* KVM_EXIT_DEBUG */
335		struct {
336			struct kvm_debug_exit_arch arch;
337		} debug;
338		/* KVM_EXIT_MMIO */
339		struct {
340			__u64 phys_addr;
341			__u8  data[8];
342			__u32 len;
343			__u8  is_write;
344		} mmio;
345		/* KVM_EXIT_HYPERCALL */
346		struct {
347			__u64 nr;
348			__u64 args[6];
349			__u64 ret;
350			__u32 longmode;
351			__u32 pad;
352		} hypercall;
353		/* KVM_EXIT_TPR_ACCESS */
354		struct {
355			__u64 rip;
356			__u32 is_write;
357			__u32 pad;
358		} tpr_access;
359		/* KVM_EXIT_S390_SIEIC */
360		struct {
361			__u8 icptcode;
362			__u16 ipa;
363			__u32 ipb;
364		} s390_sieic;
365		/* KVM_EXIT_S390_RESET */
366#define KVM_S390_RESET_POR       1
367#define KVM_S390_RESET_CLEAR     2
368#define KVM_S390_RESET_SUBSYSTEM 4
369#define KVM_S390_RESET_CPU_INIT  8
370#define KVM_S390_RESET_IPL       16
371		__u64 s390_reset_flags;
372		/* KVM_EXIT_S390_UCONTROL */
373		struct {
374			__u64 trans_exc_code;
375			__u32 pgm_code;
376		} s390_ucontrol;
377		/* KVM_EXIT_DCR (deprecated) */
378		struct {
379			__u32 dcrn;
380			__u32 data;
381			__u8  is_write;
382		} dcr;
383		/* KVM_EXIT_INTERNAL_ERROR */
384		struct {
385			__u32 suberror;
386			/* Available with KVM_CAP_INTERNAL_ERROR_DATA: */
387			__u32 ndata;
388			__u64 data[16];
389		} internal;
390		/*
391		 * KVM_INTERNAL_ERROR_EMULATION
392		 *
393		 * "struct emulation_failure" is an overlay of "struct internal"
394		 * that is used for the KVM_INTERNAL_ERROR_EMULATION sub-type of
395		 * KVM_EXIT_INTERNAL_ERROR.  Note, unlike other internal error
396		 * sub-types, this struct is ABI!  It also needs to be backwards
397		 * compatible with "struct internal".  Take special care that
398		 * "ndata" is correct, that new fields are enumerated in "flags",
399		 * and that each flag enumerates fields that are 64-bit aligned
400		 * and sized (so that ndata+internal.data[] is valid/accurate).
401		 *
402		 * Space beyond the defined fields may be used to store arbitrary
403		 * debug information relating to the emulation failure. It is
404		 * accounted for in "ndata" but the format is unspecified and is
405		 * not represented in "flags". Any such information is *not* ABI!
406		 */
407		struct {
408			__u32 suberror;
409			__u32 ndata;
410			__u64 flags;
411			union {
412				struct {
413					__u8  insn_size;
414					__u8  insn_bytes[15];
415				};
416			};
417			/* Arbitrary debug data may follow. */
418		} emulation_failure;
419		/* KVM_EXIT_OSI */
420		struct {
421			__u64 gprs[32];
422		} osi;
423		/* KVM_EXIT_PAPR_HCALL */
424		struct {
425			__u64 nr;
426			__u64 ret;
427			__u64 args[9];
428		} papr_hcall;
429		/* KVM_EXIT_S390_TSCH */
430		struct {
431			__u16 subchannel_id;
432			__u16 subchannel_nr;
433			__u32 io_int_parm;
434			__u32 io_int_word;
435			__u32 ipb;
436			__u8 dequeued;
437		} s390_tsch;
438		/* KVM_EXIT_EPR */
439		struct {
440			__u32 epr;
441		} epr;
442		/* KVM_EXIT_SYSTEM_EVENT */
443		struct {
444#define KVM_SYSTEM_EVENT_SHUTDOWN       1
445#define KVM_SYSTEM_EVENT_RESET          2
446#define KVM_SYSTEM_EVENT_CRASH          3
447			__u32 type;
448			__u64 flags;
449		} system_event;
450		/* KVM_EXIT_S390_STSI */
451		struct {
452			__u64 addr;
453			__u8 ar;
454			__u8 reserved;
455			__u8 fc;
456			__u8 sel1;
457			__u16 sel2;
458		} s390_stsi;
459		/* KVM_EXIT_IOAPIC_EOI */
460		struct {
461			__u8 vector;
462		} eoi;
463		/* KVM_EXIT_HYPERV */
464		struct kvm_hyperv_exit hyperv;
465		/* KVM_EXIT_ARM_NISV */
466		struct {
467			__u64 esr_iss;
468			__u64 fault_ipa;
469		} arm_nisv;
470		/* KVM_EXIT_X86_RDMSR / KVM_EXIT_X86_WRMSR */
471		struct {
472			__u8 error; /* user -> kernel */
473			__u8 pad[7];
474#define KVM_MSR_EXIT_REASON_INVAL	(1 << 0)
475#define KVM_MSR_EXIT_REASON_UNKNOWN	(1 << 1)
476#define KVM_MSR_EXIT_REASON_FILTER	(1 << 2)
477			__u32 reason; /* kernel -> user */
478			__u32 index; /* kernel -> user */
479			__u64 data; /* kernel <-> user */
480		} msr;
481		/* KVM_EXIT_XEN */
482		struct kvm_xen_exit xen;
483		/* KVM_EXIT_RISCV_SBI */
484		struct {
485			unsigned long extension_id;
486			unsigned long function_id;
487			unsigned long args[6];
488			unsigned long ret[2];
489		} riscv_sbi;
490		/* Fix the size of the union. */
491		char padding[256];
492	};
493
494	/* 2048 is the size of the char array used to bound/pad the size
495	 * of the union that holds sync regs.
496	 */
497	#define SYNC_REGS_SIZE_BYTES 2048
498	/*
499	 * shared registers between kvm and userspace.
500	 * kvm_valid_regs specifies the register classes set by the host
501	 * kvm_dirty_regs specified the register classes dirtied by userspace
502	 * struct kvm_sync_regs is architecture specific, as well as the
503	 * bits for kvm_valid_regs and kvm_dirty_regs
504	 */
505	__u64 kvm_valid_regs;
506	__u64 kvm_dirty_regs;
507	union {
508		struct kvm_sync_regs regs;
509		char padding[SYNC_REGS_SIZE_BYTES];
510	} s;
511};
512
513/* for KVM_REGISTER_COALESCED_MMIO / KVM_UNREGISTER_COALESCED_MMIO */
514
515struct kvm_coalesced_mmio_zone {
516	__u64 addr;
517	__u32 size;
518	union {
519		__u32 pad;
520		__u32 pio;
521	};
522};
523
524struct kvm_coalesced_mmio {
525	__u64 phys_addr;
526	__u32 len;
527	union {
528		__u32 pad;
529		__u32 pio;
530	};
531	__u8  data[8];
532};
533
534struct kvm_coalesced_mmio_ring {
535	__u32 first, last;
536	struct kvm_coalesced_mmio coalesced_mmio[0];
537};
538
539#define KVM_COALESCED_MMIO_MAX \
540	((PAGE_SIZE - sizeof(struct kvm_coalesced_mmio_ring)) / \
541	 sizeof(struct kvm_coalesced_mmio))
542
543/* for KVM_TRANSLATE */
544struct kvm_translation {
545	/* in */
546	__u64 linear_address;
547
548	/* out */
549	__u64 physical_address;
550	__u8  valid;
551	__u8  writeable;
552	__u8  usermode;
553	__u8  pad[5];
554};
555
556/* for KVM_S390_MEM_OP */
557struct kvm_s390_mem_op {
558	/* in */
559	__u64 gaddr;		/* the guest address */
560	__u64 flags;		/* flags */
561	__u32 size;		/* amount of bytes */
562	__u32 op;		/* type of operation */
563	__u64 buf;		/* buffer in userspace */
564	union {
565		__u8 ar;	/* the access register number */
566		__u32 sida_offset; /* offset into the sida */
567		__u8 reserved[32]; /* should be set to 0 */
568	};
569};
570/* types for kvm_s390_mem_op->op */
571#define KVM_S390_MEMOP_LOGICAL_READ	0
572#define KVM_S390_MEMOP_LOGICAL_WRITE	1
573#define KVM_S390_MEMOP_SIDA_READ	2
574#define KVM_S390_MEMOP_SIDA_WRITE	3
575/* flags for kvm_s390_mem_op->flags */
576#define KVM_S390_MEMOP_F_CHECK_ONLY		(1ULL << 0)
577#define KVM_S390_MEMOP_F_INJECT_EXCEPTION	(1ULL << 1)
578
579/* for KVM_INTERRUPT */
580struct kvm_interrupt {
581	/* in */
582	__u32 irq;
583};
584
585/* for KVM_GET_DIRTY_LOG */
586struct kvm_dirty_log {
587	__u32 slot;
588	__u32 padding1;
589	union {
590		void __user *dirty_bitmap; /* one bit per page */
591		__u64 padding2;
592	};
593};
594
595/* for KVM_CLEAR_DIRTY_LOG */
596struct kvm_clear_dirty_log {
597	__u32 slot;
598	__u32 num_pages;
599	__u64 first_page;
600	union {
601		void __user *dirty_bitmap; /* one bit per page */
602		__u64 padding2;
603	};
604};
605
606/* for KVM_SET_SIGNAL_MASK */
607struct kvm_signal_mask {
608	__u32 len;
609	__u8  sigset[0];
610};
611
612/* for KVM_TPR_ACCESS_REPORTING */
613struct kvm_tpr_access_ctl {
614	__u32 enabled;
615	__u32 flags;
616	__u32 reserved[8];
617};
618
619/* for KVM_SET_VAPIC_ADDR */
620struct kvm_vapic_addr {
621	__u64 vapic_addr;
622};
623
624/* for KVM_SET_MP_STATE */
625
626/* not all states are valid on all architectures */
627#define KVM_MP_STATE_RUNNABLE          0
628#define KVM_MP_STATE_UNINITIALIZED     1
629#define KVM_MP_STATE_INIT_RECEIVED     2
630#define KVM_MP_STATE_HALTED            3
631#define KVM_MP_STATE_SIPI_RECEIVED     4
632#define KVM_MP_STATE_STOPPED           5
633#define KVM_MP_STATE_CHECK_STOP        6
634#define KVM_MP_STATE_OPERATING         7
635#define KVM_MP_STATE_LOAD              8
636#define KVM_MP_STATE_AP_RESET_HOLD     9
637
638struct kvm_mp_state {
639	__u32 mp_state;
640};
641
642struct kvm_s390_psw {
643	__u64 mask;
644	__u64 addr;
645};
646
647/* valid values for type in kvm_s390_interrupt */
648#define KVM_S390_SIGP_STOP		0xfffe0000u
649#define KVM_S390_PROGRAM_INT		0xfffe0001u
650#define KVM_S390_SIGP_SET_PREFIX	0xfffe0002u
651#define KVM_S390_RESTART		0xfffe0003u
652#define KVM_S390_INT_PFAULT_INIT	0xfffe0004u
653#define KVM_S390_INT_PFAULT_DONE	0xfffe0005u
654#define KVM_S390_MCHK			0xfffe1000u
655#define KVM_S390_INT_CLOCK_COMP		0xffff1004u
656#define KVM_S390_INT_CPU_TIMER		0xffff1005u
657#define KVM_S390_INT_VIRTIO		0xffff2603u
658#define KVM_S390_INT_SERVICE		0xffff2401u
659#define KVM_S390_INT_EMERGENCY		0xffff1201u
660#define KVM_S390_INT_EXTERNAL_CALL	0xffff1202u
661/* Anything below 0xfffe0000u is taken by INT_IO */
662#define KVM_S390_INT_IO(ai,cssid,ssid,schid)   \
663	(((schid)) |			       \
664	 ((ssid) << 16) |		       \
665	 ((cssid) << 18) |		       \
666	 ((ai) << 26))
667#define KVM_S390_INT_IO_MIN		0x00000000u
668#define KVM_S390_INT_IO_MAX		0xfffdffffu
669#define KVM_S390_INT_IO_AI_MASK		0x04000000u
670
671
672struct kvm_s390_interrupt {
673	__u32 type;
674	__u32 parm;
675	__u64 parm64;
676};
677
678struct kvm_s390_io_info {
679	__u16 subchannel_id;
680	__u16 subchannel_nr;
681	__u32 io_int_parm;
682	__u32 io_int_word;
683};
684
685struct kvm_s390_ext_info {
686	__u32 ext_params;
687	__u32 pad;
688	__u64 ext_params2;
689};
690
691struct kvm_s390_pgm_info {
692	__u64 trans_exc_code;
693	__u64 mon_code;
694	__u64 per_address;
695	__u32 data_exc_code;
696	__u16 code;
697	__u16 mon_class_nr;
698	__u8 per_code;
699	__u8 per_atmid;
700	__u8 exc_access_id;
701	__u8 per_access_id;
702	__u8 op_access_id;
703#define KVM_S390_PGM_FLAGS_ILC_VALID	0x01
704#define KVM_S390_PGM_FLAGS_ILC_0	0x02
705#define KVM_S390_PGM_FLAGS_ILC_1	0x04
706#define KVM_S390_PGM_FLAGS_ILC_MASK	0x06
707#define KVM_S390_PGM_FLAGS_NO_REWIND	0x08
708	__u8 flags;
709	__u8 pad[2];
710};
711
712struct kvm_s390_prefix_info {
713	__u32 address;
714};
715
716struct kvm_s390_extcall_info {
717	__u16 code;
718};
719
720struct kvm_s390_emerg_info {
721	__u16 code;
722};
723
724#define KVM_S390_STOP_FLAG_STORE_STATUS	0x01
725struct kvm_s390_stop_info {
726	__u32 flags;
727};
728
729struct kvm_s390_mchk_info {
730	__u64 cr14;
731	__u64 mcic;
732	__u64 failing_storage_address;
733	__u32 ext_damage_code;
734	__u32 pad;
735	__u8 fixed_logout[16];
736};
737
738struct kvm_s390_irq {
739	__u64 type;
740	union {
741		struct kvm_s390_io_info io;
742		struct kvm_s390_ext_info ext;
743		struct kvm_s390_pgm_info pgm;
744		struct kvm_s390_emerg_info emerg;
745		struct kvm_s390_extcall_info extcall;
746		struct kvm_s390_prefix_info prefix;
747		struct kvm_s390_stop_info stop;
748		struct kvm_s390_mchk_info mchk;
749		char reserved[64];
750	} u;
751};
752
753struct kvm_s390_irq_state {
754	__u64 buf;
755	__u32 flags;        /* will stay unused for compatibility reasons */
756	__u32 len;
757	__u32 reserved[4];  /* will stay unused for compatibility reasons */
758};
759
760/* for KVM_SET_GUEST_DEBUG */
761
762#define KVM_GUESTDBG_ENABLE		0x00000001
763#define KVM_GUESTDBG_SINGLESTEP		0x00000002
764
765struct kvm_guest_debug {
766	__u32 control;
767	__u32 pad;
768	struct kvm_guest_debug_arch arch;
769};
770
771enum {
772	kvm_ioeventfd_flag_nr_datamatch,
773	kvm_ioeventfd_flag_nr_pio,
774	kvm_ioeventfd_flag_nr_deassign,
775	kvm_ioeventfd_flag_nr_virtio_ccw_notify,
776	kvm_ioeventfd_flag_nr_fast_mmio,
777	kvm_ioeventfd_flag_nr_max,
778};
779
780#define KVM_IOEVENTFD_FLAG_DATAMATCH (1 << kvm_ioeventfd_flag_nr_datamatch)
781#define KVM_IOEVENTFD_FLAG_PIO       (1 << kvm_ioeventfd_flag_nr_pio)
782#define KVM_IOEVENTFD_FLAG_DEASSIGN  (1 << kvm_ioeventfd_flag_nr_deassign)
783#define KVM_IOEVENTFD_FLAG_VIRTIO_CCW_NOTIFY \
784	(1 << kvm_ioeventfd_flag_nr_virtio_ccw_notify)
785
786#define KVM_IOEVENTFD_VALID_FLAG_MASK  ((1 << kvm_ioeventfd_flag_nr_max) - 1)
787
788struct kvm_ioeventfd {
789	__u64 datamatch;
790	__u64 addr;        /* legal pio/mmio address */
791	__u32 len;         /* 1, 2, 4, or 8 bytes; or 0 to ignore length */
792	__s32 fd;
793	__u32 flags;
794	__u8  pad[36];
795};
796
797#define KVM_X86_DISABLE_EXITS_MWAIT          (1 << 0)
798#define KVM_X86_DISABLE_EXITS_HLT            (1 << 1)
799#define KVM_X86_DISABLE_EXITS_PAUSE          (1 << 2)
800#define KVM_X86_DISABLE_EXITS_CSTATE         (1 << 3)
801#define KVM_X86_DISABLE_VALID_EXITS          (KVM_X86_DISABLE_EXITS_MWAIT | \
802                                              KVM_X86_DISABLE_EXITS_HLT | \
803                                              KVM_X86_DISABLE_EXITS_PAUSE | \
804                                              KVM_X86_DISABLE_EXITS_CSTATE)
805
806/* for KVM_ENABLE_CAP */
807struct kvm_enable_cap {
808	/* in */
809	__u32 cap;
810	__u32 flags;
811	__u64 args[4];
812	__u8  pad[64];
813};
814
815/* for KVM_PPC_GET_PVINFO */
816
817#define KVM_PPC_PVINFO_FLAGS_EV_IDLE   (1<<0)
818
819struct kvm_ppc_pvinfo {
820	/* out */
821	__u32 flags;
822	__u32 hcall[4];
823	__u8  pad[108];
824};
825
826/* for KVM_PPC_GET_SMMU_INFO */
827#define KVM_PPC_PAGE_SIZES_MAX_SZ	8
828
829struct kvm_ppc_one_page_size {
830	__u32 page_shift;	/* Page shift (or 0) */
831	__u32 pte_enc;		/* Encoding in the HPTE (>>12) */
832};
833
834struct kvm_ppc_one_seg_page_size {
835	__u32 page_shift;	/* Base page shift of segment (or 0) */
836	__u32 slb_enc;		/* SLB encoding for BookS */
837	struct kvm_ppc_one_page_size enc[KVM_PPC_PAGE_SIZES_MAX_SZ];
838};
839
840#define KVM_PPC_PAGE_SIZES_REAL		0x00000001
841#define KVM_PPC_1T_SEGMENTS		0x00000002
842#define KVM_PPC_NO_HASH			0x00000004
843
844struct kvm_ppc_smmu_info {
845	__u64 flags;
846	__u32 slb_size;
847	__u16 data_keys;	/* # storage keys supported for data */
848	__u16 instr_keys;	/* # storage keys supported for instructions */
849	struct kvm_ppc_one_seg_page_size sps[KVM_PPC_PAGE_SIZES_MAX_SZ];
850};
851
852/* for KVM_PPC_RESIZE_HPT_{PREPARE,COMMIT} */
853struct kvm_ppc_resize_hpt {
854	__u64 flags;
855	__u32 shift;
856	__u32 pad;
857};
858
859#define KVMIO 0xAE
860
861/* machine type bits, to be used as argument to KVM_CREATE_VM */
862#define KVM_VM_S390_UCONTROL	1
863
864/* on ppc, 0 indicate default, 1 should force HV and 2 PR */
865#define KVM_VM_PPC_HV 1
866#define KVM_VM_PPC_PR 2
867
868/* on MIPS, 0 indicates auto, 1 forces VZ ASE, 2 forces trap & emulate */
869#define KVM_VM_MIPS_AUTO	0
870#define KVM_VM_MIPS_VZ		1
871#define KVM_VM_MIPS_TE		2
872
873#define KVM_S390_SIE_PAGE_OFFSET 1
874
875/*
876 * On arm64, machine type can be used to request the physical
877 * address size for the VM. Bits[7-0] are reserved for the guest
878 * PA size shift (i.e, log2(PA_Size)). For backward compatibility,
879 * value 0 implies the default IPA size, 40bits.
880 */
881#define KVM_VM_TYPE_ARM_IPA_SIZE_MASK	0xffULL
882#define KVM_VM_TYPE_ARM_IPA_SIZE(x)		\
883	((x) & KVM_VM_TYPE_ARM_IPA_SIZE_MASK)
884/*
885 * ioctls for /dev/kvm fds:
886 */
887#define KVM_GET_API_VERSION       _IO(KVMIO,   0x00)
888#define KVM_CREATE_VM             _IO(KVMIO,   0x01) /* returns a VM fd */
889#define KVM_GET_MSR_INDEX_LIST    _IOWR(KVMIO, 0x02, struct kvm_msr_list)
890
891#define KVM_S390_ENABLE_SIE       _IO(KVMIO,   0x06)
892/*
893 * Check if a kvm extension is available.  Argument is extension number,
894 * return is 1 (yes) or 0 (no, sorry).
895 */
896#define KVM_CHECK_EXTENSION       _IO(KVMIO,   0x03)
897/*
898 * Get size for mmap(vcpu_fd)
899 */
900#define KVM_GET_VCPU_MMAP_SIZE    _IO(KVMIO,   0x04) /* in bytes */
901#define KVM_GET_SUPPORTED_CPUID   _IOWR(KVMIO, 0x05, struct kvm_cpuid2)
902#define KVM_TRACE_ENABLE          __KVM_DEPRECATED_MAIN_W_0x06
903#define KVM_TRACE_PAUSE           __KVM_DEPRECATED_MAIN_0x07
904#define KVM_TRACE_DISABLE         __KVM_DEPRECATED_MAIN_0x08
905#define KVM_GET_EMULATED_CPUID	  _IOWR(KVMIO, 0x09, struct kvm_cpuid2)
906#define KVM_GET_MSR_FEATURE_INDEX_LIST    _IOWR(KVMIO, 0x0a, struct kvm_msr_list)
907
908/*
909 * Extension capability list.
910 */
911#define KVM_CAP_IRQCHIP	  0
912#define KVM_CAP_HLT	  1
913#define KVM_CAP_MMU_SHADOW_CACHE_CONTROL 2
914#define KVM_CAP_USER_MEMORY 3
915#define KVM_CAP_SET_TSS_ADDR 4
916#define KVM_CAP_VAPIC 6
917#define KVM_CAP_EXT_CPUID 7
918#define KVM_CAP_CLOCKSOURCE 8
919#define KVM_CAP_NR_VCPUS 9       /* returns recommended max vcpus per vm */
920#define KVM_CAP_NR_MEMSLOTS 10   /* returns max memory slots per vm */
921#define KVM_CAP_PIT 11
922#define KVM_CAP_NOP_IO_DELAY 12
923#define KVM_CAP_PV_MMU 13
924#define KVM_CAP_MP_STATE 14
925#define KVM_CAP_COALESCED_MMIO 15
926#define KVM_CAP_SYNC_MMU 16  /* Changes to host mmap are reflected in guest */
927#define KVM_CAP_IOMMU 18
928/* Bug in KVM_SET_USER_MEMORY_REGION fixed: */
929#define KVM_CAP_DESTROY_MEMORY_REGION_WORKS 21
930#define KVM_CAP_USER_NMI 22
931#ifdef __KVM_HAVE_GUEST_DEBUG
932#define KVM_CAP_SET_GUEST_DEBUG 23
933#endif
934#ifdef __KVM_HAVE_PIT
935#define KVM_CAP_REINJECT_CONTROL 24
936#endif
937#define KVM_CAP_IRQ_ROUTING 25
938#define KVM_CAP_IRQ_INJECT_STATUS 26
939#define KVM_CAP_ASSIGN_DEV_IRQ 29
940/* Another bug in KVM_SET_USER_MEMORY_REGION fixed: */
941#define KVM_CAP_JOIN_MEMORY_REGIONS_WORKS 30
942#ifdef __KVM_HAVE_MCE
943#define KVM_CAP_MCE 31
944#endif
945#define KVM_CAP_IRQFD 32
946#ifdef __KVM_HAVE_PIT
947#define KVM_CAP_PIT2 33
948#endif
949#define KVM_CAP_SET_BOOT_CPU_ID 34
950#ifdef __KVM_HAVE_PIT_STATE2
951#define KVM_CAP_PIT_STATE2 35
952#endif
953#define KVM_CAP_IOEVENTFD 36
954#define KVM_CAP_SET_IDENTITY_MAP_ADDR 37
955#ifdef __KVM_HAVE_XEN_HVM
956#define KVM_CAP_XEN_HVM 38
957#endif
958#define KVM_CAP_ADJUST_CLOCK 39
959#define KVM_CAP_INTERNAL_ERROR_DATA 40
960#ifdef __KVM_HAVE_VCPU_EVENTS
961#define KVM_CAP_VCPU_EVENTS 41
962#endif
963#define KVM_CAP_S390_PSW 42
964#define KVM_CAP_PPC_SEGSTATE 43
965#define KVM_CAP_HYPERV 44
966#define KVM_CAP_HYPERV_VAPIC 45
967#define KVM_CAP_HYPERV_SPIN 46
968#define KVM_CAP_PCI_SEGMENT 47
969#define KVM_CAP_PPC_PAIRED_SINGLES 48
970#define KVM_CAP_INTR_SHADOW 49
971#ifdef __KVM_HAVE_DEBUGREGS
972#define KVM_CAP_DEBUGREGS 50
973#endif
974#define KVM_CAP_X86_ROBUST_SINGLESTEP 51
975#define KVM_CAP_PPC_OSI 52
976#define KVM_CAP_PPC_UNSET_IRQ 53
977#define KVM_CAP_ENABLE_CAP 54
978#ifdef __KVM_HAVE_XSAVE
979#define KVM_CAP_XSAVE 55
980#endif
981#ifdef __KVM_HAVE_XCRS
982#define KVM_CAP_XCRS 56
983#endif
984#define KVM_CAP_PPC_GET_PVINFO 57
985#define KVM_CAP_PPC_IRQ_LEVEL 58
986#define KVM_CAP_ASYNC_PF 59
987#define KVM_CAP_TSC_CONTROL 60
988#define KVM_CAP_GET_TSC_KHZ 61
989#define KVM_CAP_PPC_BOOKE_SREGS 62
990#define KVM_CAP_SPAPR_TCE 63
991#define KVM_CAP_PPC_SMT 64
992#define KVM_CAP_PPC_RMA	65
993#define KVM_CAP_MAX_VCPUS 66       /* returns max vcpus per vm */
994#define KVM_CAP_PPC_HIOR 67
995#define KVM_CAP_PPC_PAPR 68
996#define KVM_CAP_SW_TLB 69
997#define KVM_CAP_ONE_REG 70
998#define KVM_CAP_S390_GMAP 71
999#define KVM_CAP_TSC_DEADLINE_TIMER 72
1000#define KVM_CAP_S390_UCONTROL 73
1001#define KVM_CAP_SYNC_REGS 74
1002#define KVM_CAP_PCI_2_3 75
1003#define KVM_CAP_KVMCLOCK_CTRL 76
1004#define KVM_CAP_SIGNAL_MSI 77
1005#define KVM_CAP_PPC_GET_SMMU_INFO 78
1006#define KVM_CAP_S390_COW 79
1007#define KVM_CAP_PPC_ALLOC_HTAB 80
1008#define KVM_CAP_READONLY_MEM 81
1009#define KVM_CAP_IRQFD_RESAMPLE 82
1010#define KVM_CAP_PPC_BOOKE_WATCHDOG 83
1011#define KVM_CAP_PPC_HTAB_FD 84
1012#define KVM_CAP_S390_CSS_SUPPORT 85
1013#define KVM_CAP_PPC_EPR 86
1014#define KVM_CAP_ARM_PSCI 87
1015#define KVM_CAP_ARM_SET_DEVICE_ADDR 88
1016#define KVM_CAP_DEVICE_CTRL 89
1017#define KVM_CAP_IRQ_MPIC 90
1018#define KVM_CAP_PPC_RTAS 91
1019#define KVM_CAP_IRQ_XICS 92
1020#define KVM_CAP_ARM_EL1_32BIT 93
1021#define KVM_CAP_SPAPR_MULTITCE 94
1022#define KVM_CAP_EXT_EMUL_CPUID 95
1023#define KVM_CAP_HYPERV_TIME 96
1024#define KVM_CAP_IOAPIC_POLARITY_IGNORED 97
1025#define KVM_CAP_ENABLE_CAP_VM 98
1026#define KVM_CAP_S390_IRQCHIP 99
1027#define KVM_CAP_IOEVENTFD_NO_LENGTH 100
1028#define KVM_CAP_VM_ATTRIBUTES 101
1029#define KVM_CAP_ARM_PSCI_0_2 102
1030#define KVM_CAP_PPC_FIXUP_HCALL 103
1031#define KVM_CAP_PPC_ENABLE_HCALL 104
1032#define KVM_CAP_CHECK_EXTENSION_VM 105
1033#define KVM_CAP_S390_USER_SIGP 106
1034#define KVM_CAP_S390_VECTOR_REGISTERS 107
1035#define KVM_CAP_S390_MEM_OP 108
1036#define KVM_CAP_S390_USER_STSI 109
1037#define KVM_CAP_S390_SKEYS 110
1038#define KVM_CAP_MIPS_FPU 111
1039#define KVM_CAP_MIPS_MSA 112
1040#define KVM_CAP_S390_INJECT_IRQ 113
1041#define KVM_CAP_S390_IRQ_STATE 114
1042#define KVM_CAP_PPC_HWRNG 115
1043#define KVM_CAP_DISABLE_QUIRKS 116
1044#define KVM_CAP_X86_SMM 117
1045#define KVM_CAP_MULTI_ADDRESS_SPACE 118
1046#define KVM_CAP_GUEST_DEBUG_HW_BPS 119
1047#define KVM_CAP_GUEST_DEBUG_HW_WPS 120
1048#define KVM_CAP_SPLIT_IRQCHIP 121
1049#define KVM_CAP_IOEVENTFD_ANY_LENGTH 122
1050#define KVM_CAP_HYPERV_SYNIC 123
1051#define KVM_CAP_S390_RI 124
1052#define KVM_CAP_SPAPR_TCE_64 125
1053#define KVM_CAP_ARM_PMU_V3 126
1054#define KVM_CAP_VCPU_ATTRIBUTES 127
1055#define KVM_CAP_MAX_VCPU_ID 128
1056#define KVM_CAP_X2APIC_API 129
1057#define KVM_CAP_S390_USER_INSTR0 130
1058#define KVM_CAP_MSI_DEVID 131
1059#define KVM_CAP_PPC_HTM 132
1060#define KVM_CAP_SPAPR_RESIZE_HPT 133
1061#define KVM_CAP_PPC_MMU_RADIX 134
1062#define KVM_CAP_PPC_MMU_HASH_V3 135
1063#define KVM_CAP_IMMEDIATE_EXIT 136
1064#define KVM_CAP_MIPS_VZ 137
1065#define KVM_CAP_MIPS_TE 138
1066#define KVM_CAP_MIPS_64BIT 139
1067#define KVM_CAP_S390_GS 140
1068#define KVM_CAP_S390_AIS 141
1069#define KVM_CAP_SPAPR_TCE_VFIO 142
1070#define KVM_CAP_X86_DISABLE_EXITS 143
1071#define KVM_CAP_ARM_USER_IRQ 144
1072#define KVM_CAP_S390_CMMA_MIGRATION 145
1073#define KVM_CAP_PPC_FWNMI 146
1074#define KVM_CAP_PPC_SMT_POSSIBLE 147
1075#define KVM_CAP_HYPERV_SYNIC2 148
1076#define KVM_CAP_HYPERV_VP_INDEX 149
1077#define KVM_CAP_S390_AIS_MIGRATION 150
1078#define KVM_CAP_PPC_GET_CPU_CHAR 151
1079#define KVM_CAP_S390_BPB 152
1080#define KVM_CAP_GET_MSR_FEATURES 153
1081#define KVM_CAP_HYPERV_EVENTFD 154
1082#define KVM_CAP_HYPERV_TLBFLUSH 155
1083#define KVM_CAP_S390_HPAGE_1M 156
1084#define KVM_CAP_NESTED_STATE 157
1085#define KVM_CAP_ARM_INJECT_SERROR_ESR 158
1086#define KVM_CAP_MSR_PLATFORM_INFO 159
1087#define KVM_CAP_PPC_NESTED_HV 160
1088#define KVM_CAP_HYPERV_SEND_IPI 161
1089#define KVM_CAP_COALESCED_PIO 162
1090#define KVM_CAP_HYPERV_ENLIGHTENED_VMCS 163
1091#define KVM_CAP_EXCEPTION_PAYLOAD 164
1092#define KVM_CAP_ARM_VM_IPA_SIZE 165
1093#define KVM_CAP_MANUAL_DIRTY_LOG_PROTECT 166 /* Obsolete */
1094#define KVM_CAP_HYPERV_CPUID 167
1095#define KVM_CAP_MANUAL_DIRTY_LOG_PROTECT2 168
1096#define KVM_CAP_PPC_IRQ_XIVE 169
1097#define KVM_CAP_ARM_SVE 170
1098#define KVM_CAP_ARM_PTRAUTH_ADDRESS 171
1099#define KVM_CAP_ARM_PTRAUTH_GENERIC 172
1100#define KVM_CAP_PMU_EVENT_FILTER 173
1101#define KVM_CAP_ARM_IRQ_LINE_LAYOUT_2 174
1102#define KVM_CAP_HYPERV_DIRECT_TLBFLUSH 175
1103#define KVM_CAP_PPC_GUEST_DEBUG_SSTEP 176
1104#define KVM_CAP_ARM_NISV_TO_USER 177
1105#define KVM_CAP_ARM_INJECT_EXT_DABT 178
1106#define KVM_CAP_S390_VCPU_RESETS 179
1107#define KVM_CAP_S390_PROTECTED 180
1108#define KVM_CAP_PPC_SECURE_GUEST 181
1109#define KVM_CAP_HALT_POLL 182
1110#define KVM_CAP_ASYNC_PF_INT 183
1111#define KVM_CAP_LAST_CPU 184
1112#define KVM_CAP_SMALLER_MAXPHYADDR 185
1113#define KVM_CAP_S390_DIAG318 186
1114#define KVM_CAP_STEAL_TIME 187
1115#define KVM_CAP_X86_USER_SPACE_MSR 188
1116#define KVM_CAP_X86_MSR_FILTER 189
1117#define KVM_CAP_ENFORCE_PV_FEATURE_CPUID 190
1118#define KVM_CAP_SYS_HYPERV_CPUID 191
1119#define KVM_CAP_DIRTY_LOG_RING 192
1120#define KVM_CAP_X86_BUS_LOCK_EXIT 193
1121#define KVM_CAP_PPC_DAWR1 194
1122#define KVM_CAP_SET_GUEST_DEBUG2 195
1123#define KVM_CAP_SGX_ATTRIBUTE 196
1124#define KVM_CAP_VM_COPY_ENC_CONTEXT_FROM 197
1125#define KVM_CAP_PTP_KVM 198
1126#define KVM_CAP_HYPERV_ENFORCE_CPUID 199
1127#define KVM_CAP_SREGS2 200
1128#define KVM_CAP_EXIT_HYPERCALL 201
1129#define KVM_CAP_PPC_RPT_INVALIDATE 202
1130#define KVM_CAP_BINARY_STATS_FD 203
1131#define KVM_CAP_EXIT_ON_EMULATION_FAILURE 204
1132#define KVM_CAP_ARM_MTE 205
1133#define KVM_CAP_VM_MOVE_ENC_CONTEXT_FROM 206
1134#define KVM_CAP_VM_GPA_BITS 207
1135#define KVM_CAP_XSAVE2 208
1136
1137#ifdef KVM_CAP_IRQ_ROUTING
1138
1139struct kvm_irq_routing_irqchip {
1140	__u32 irqchip;
1141	__u32 pin;
1142};
1143
1144struct kvm_irq_routing_msi {
1145	__u32 address_lo;
1146	__u32 address_hi;
1147	__u32 data;
1148	union {
1149		__u32 pad;
1150		__u32 devid;
1151	};
1152};
1153
1154struct kvm_irq_routing_s390_adapter {
1155	__u64 ind_addr;
1156	__u64 summary_addr;
1157	__u64 ind_offset;
1158	__u32 summary_offset;
1159	__u32 adapter_id;
1160};
1161
1162struct kvm_irq_routing_hv_sint {
1163	__u32 vcpu;
1164	__u32 sint;
1165};
1166
1167struct kvm_irq_routing_xen_evtchn {
1168	__u32 port;
1169	__u32 vcpu;
1170	__u32 priority;
1171};
1172
1173#define KVM_IRQ_ROUTING_XEN_EVTCHN_PRIO_2LEVEL ((__u32)(-1))
1174
1175/* gsi routing entry types */
1176#define KVM_IRQ_ROUTING_IRQCHIP 1
1177#define KVM_IRQ_ROUTING_MSI 2
1178#define KVM_IRQ_ROUTING_S390_ADAPTER 3
1179#define KVM_IRQ_ROUTING_HV_SINT 4
1180#define KVM_IRQ_ROUTING_XEN_EVTCHN 5
1181
1182struct kvm_irq_routing_entry {
1183	__u32 gsi;
1184	__u32 type;
1185	__u32 flags;
1186	__u32 pad;
1187	union {
1188		struct kvm_irq_routing_irqchip irqchip;
1189		struct kvm_irq_routing_msi msi;
1190		struct kvm_irq_routing_s390_adapter adapter;
1191		struct kvm_irq_routing_hv_sint hv_sint;
1192		struct kvm_irq_routing_xen_evtchn xen_evtchn;
1193		__u32 pad[8];
1194	} u;
1195};
1196
1197struct kvm_irq_routing {
1198	__u32 nr;
1199	__u32 flags;
1200	struct kvm_irq_routing_entry entries[0];
1201};
1202
1203#endif
1204
1205#ifdef KVM_CAP_MCE
1206/* x86 MCE */
1207struct kvm_x86_mce {
1208	__u64 status;
1209	__u64 addr;
1210	__u64 misc;
1211	__u64 mcg_status;
1212	__u8 bank;
1213	__u8 pad1[7];
1214	__u64 pad2[3];
1215};
1216#endif
1217
1218#ifdef KVM_CAP_XEN_HVM
1219#define KVM_XEN_HVM_CONFIG_HYPERCALL_MSR	(1 << 0)
1220#define KVM_XEN_HVM_CONFIG_INTERCEPT_HCALL	(1 << 1)
1221#define KVM_XEN_HVM_CONFIG_SHARED_INFO		(1 << 2)
1222#define KVM_XEN_HVM_CONFIG_RUNSTATE		(1 << 3)
1223#define KVM_XEN_HVM_CONFIG_EVTCHN_2LEVEL	(1 << 4)
1224
1225struct kvm_xen_hvm_config {
1226	__u32 flags;
1227	__u32 msr;
1228	__u64 blob_addr_32;
1229	__u64 blob_addr_64;
1230	__u8 blob_size_32;
1231	__u8 blob_size_64;
1232	__u8 pad2[30];
1233};
1234#endif
1235
1236#define KVM_IRQFD_FLAG_DEASSIGN (1 << 0)
1237/*
1238 * Available with KVM_CAP_IRQFD_RESAMPLE
1239 *
1240 * KVM_IRQFD_FLAG_RESAMPLE indicates resamplefd is valid and specifies
1241 * the irqfd to operate in resampling mode for level triggered interrupt
1242 * emulation.  See Documentation/virt/kvm/api.rst.
1243 */
1244#define KVM_IRQFD_FLAG_RESAMPLE (1 << 1)
1245
1246struct kvm_irqfd {
1247	__u32 fd;
1248	__u32 gsi;
1249	__u32 flags;
1250	__u32 resamplefd;
1251	__u8  pad[16];
1252};
1253
1254/* For KVM_CAP_ADJUST_CLOCK */
1255
1256/* Do not use 1, KVM_CHECK_EXTENSION returned it before we had flags.  */
1257#define KVM_CLOCK_TSC_STABLE		2
1258#define KVM_CLOCK_REALTIME		(1 << 2)
1259#define KVM_CLOCK_HOST_TSC		(1 << 3)
1260
1261struct kvm_clock_data {
1262	__u64 clock;
1263	__u32 flags;
1264	__u32 pad0;
1265	__u64 realtime;
1266	__u64 host_tsc;
1267	__u32 pad[4];
1268};
1269
1270/* For KVM_CAP_SW_TLB */
1271
1272#define KVM_MMU_FSL_BOOKE_NOHV		0
1273#define KVM_MMU_FSL_BOOKE_HV		1
1274
1275struct kvm_config_tlb {
1276	__u64 params;
1277	__u64 array;
1278	__u32 mmu_type;
1279	__u32 array_len;
1280};
1281
1282struct kvm_dirty_tlb {
1283	__u64 bitmap;
1284	__u32 num_dirty;
1285};
1286
1287/* Available with KVM_CAP_ONE_REG */
1288
1289#define KVM_REG_ARCH_MASK	0xff00000000000000ULL
1290#define KVM_REG_GENERIC		0x0000000000000000ULL
1291
1292/*
1293 * Architecture specific registers are to be defined in arch headers and
1294 * ORed with the arch identifier.
1295 */
1296#define KVM_REG_PPC		0x1000000000000000ULL
1297#define KVM_REG_X86		0x2000000000000000ULL
1298#define KVM_REG_IA64		0x3000000000000000ULL
1299#define KVM_REG_ARM		0x4000000000000000ULL
1300#define KVM_REG_S390		0x5000000000000000ULL
1301#define KVM_REG_ARM64		0x6000000000000000ULL
1302#define KVM_REG_MIPS		0x7000000000000000ULL
1303#define KVM_REG_RISCV		0x8000000000000000ULL
1304
1305#define KVM_REG_SIZE_SHIFT	52
1306#define KVM_REG_SIZE_MASK	0x00f0000000000000ULL
1307#define KVM_REG_SIZE_U8		0x0000000000000000ULL
1308#define KVM_REG_SIZE_U16	0x0010000000000000ULL
1309#define KVM_REG_SIZE_U32	0x0020000000000000ULL
1310#define KVM_REG_SIZE_U64	0x0030000000000000ULL
1311#define KVM_REG_SIZE_U128	0x0040000000000000ULL
1312#define KVM_REG_SIZE_U256	0x0050000000000000ULL
1313#define KVM_REG_SIZE_U512	0x0060000000000000ULL
1314#define KVM_REG_SIZE_U1024	0x0070000000000000ULL
1315#define KVM_REG_SIZE_U2048	0x0080000000000000ULL
1316
1317struct kvm_reg_list {
1318	__u64 n; /* number of regs */
1319	__u64 reg[0];
1320};
1321
1322struct kvm_one_reg {
1323	__u64 id;
1324	__u64 addr;
1325};
1326
1327#define KVM_MSI_VALID_DEVID	(1U << 0)
1328struct kvm_msi {
1329	__u32 address_lo;
1330	__u32 address_hi;
1331	__u32 data;
1332	__u32 flags;
1333	__u32 devid;
1334	__u8  pad[12];
1335};
1336
1337struct kvm_arm_device_addr {
1338	__u64 id;
1339	__u64 addr;
1340};
1341
1342/*
1343 * Device control API, available with KVM_CAP_DEVICE_CTRL
1344 */
1345#define KVM_CREATE_DEVICE_TEST		1
1346
1347struct kvm_create_device {
1348	__u32	type;	/* in: KVM_DEV_TYPE_xxx */
1349	__u32	fd;	/* out: device handle */
1350	__u32	flags;	/* in: KVM_CREATE_DEVICE_xxx */
1351};
1352
1353struct kvm_device_attr {
1354	__u32	flags;		/* no flags currently defined */
1355	__u32	group;		/* device-defined */
1356	__u64	attr;		/* group-defined */
1357	__u64	addr;		/* userspace address of attr data */
1358};
1359
1360#define  KVM_DEV_VFIO_GROUP			1
1361#define   KVM_DEV_VFIO_GROUP_ADD			1
1362#define   KVM_DEV_VFIO_GROUP_DEL			2
1363#define   KVM_DEV_VFIO_GROUP_SET_SPAPR_TCE		3
1364
1365enum kvm_device_type {
1366	KVM_DEV_TYPE_FSL_MPIC_20	= 1,
1367#define KVM_DEV_TYPE_FSL_MPIC_20	KVM_DEV_TYPE_FSL_MPIC_20
1368	KVM_DEV_TYPE_FSL_MPIC_42,
1369#define KVM_DEV_TYPE_FSL_MPIC_42	KVM_DEV_TYPE_FSL_MPIC_42
1370	KVM_DEV_TYPE_XICS,
1371#define KVM_DEV_TYPE_XICS		KVM_DEV_TYPE_XICS
1372	KVM_DEV_TYPE_VFIO,
1373#define KVM_DEV_TYPE_VFIO		KVM_DEV_TYPE_VFIO
1374	KVM_DEV_TYPE_ARM_VGIC_V2,
1375#define KVM_DEV_TYPE_ARM_VGIC_V2	KVM_DEV_TYPE_ARM_VGIC_V2
1376	KVM_DEV_TYPE_FLIC,
1377#define KVM_DEV_TYPE_FLIC		KVM_DEV_TYPE_FLIC
1378	KVM_DEV_TYPE_ARM_VGIC_V3,
1379#define KVM_DEV_TYPE_ARM_VGIC_V3	KVM_DEV_TYPE_ARM_VGIC_V3
1380	KVM_DEV_TYPE_ARM_VGIC_ITS,
1381#define KVM_DEV_TYPE_ARM_VGIC_ITS	KVM_DEV_TYPE_ARM_VGIC_ITS
1382	KVM_DEV_TYPE_XIVE,
1383#define KVM_DEV_TYPE_XIVE		KVM_DEV_TYPE_XIVE
1384	KVM_DEV_TYPE_ARM_PV_TIME,
1385#define KVM_DEV_TYPE_ARM_PV_TIME	KVM_DEV_TYPE_ARM_PV_TIME
1386	KVM_DEV_TYPE_MAX,
1387};
1388
1389struct kvm_vfio_spapr_tce {
1390	__s32	groupfd;
1391	__s32	tablefd;
1392};
1393
1394/*
1395 * ioctls for VM fds
1396 */
1397#define KVM_SET_MEMORY_REGION     _IOW(KVMIO,  0x40, struct kvm_memory_region)
1398/*
1399 * KVM_CREATE_VCPU receives as a parameter the vcpu slot, and returns
1400 * a vcpu fd.
1401 */
1402#define KVM_CREATE_VCPU           _IO(KVMIO,   0x41)
1403#define KVM_GET_DIRTY_LOG         _IOW(KVMIO,  0x42, struct kvm_dirty_log)
1404/* KVM_SET_MEMORY_ALIAS is obsolete: */
1405#define KVM_SET_MEMORY_ALIAS      _IOW(KVMIO,  0x43, struct kvm_memory_alias)
1406#define KVM_SET_NR_MMU_PAGES      _IO(KVMIO,   0x44)
1407#define KVM_GET_NR_MMU_PAGES      _IO(KVMIO,   0x45)
1408#define KVM_SET_USER_MEMORY_REGION _IOW(KVMIO, 0x46, \
1409					struct kvm_userspace_memory_region)
1410#define KVM_SET_TSS_ADDR          _IO(KVMIO,   0x47)
1411#define KVM_SET_IDENTITY_MAP_ADDR _IOW(KVMIO,  0x48, __u64)
1412
1413/* enable ucontrol for s390 */
1414struct kvm_s390_ucas_mapping {
1415	__u64 user_addr;
1416	__u64 vcpu_addr;
1417	__u64 length;
1418};
1419#define KVM_S390_UCAS_MAP        _IOW(KVMIO, 0x50, struct kvm_s390_ucas_mapping)
1420#define KVM_S390_UCAS_UNMAP      _IOW(KVMIO, 0x51, struct kvm_s390_ucas_mapping)
1421#define KVM_S390_VCPU_FAULT	 _IOW(KVMIO, 0x52, unsigned long)
1422
1423/* Device model IOC */
1424#define KVM_CREATE_IRQCHIP        _IO(KVMIO,   0x60)
1425#define KVM_IRQ_LINE              _IOW(KVMIO,  0x61, struct kvm_irq_level)
1426#define KVM_GET_IRQCHIP           _IOWR(KVMIO, 0x62, struct kvm_irqchip)
1427#define KVM_SET_IRQCHIP           _IOR(KVMIO,  0x63, struct kvm_irqchip)
1428#define KVM_CREATE_PIT            _IO(KVMIO,   0x64)
1429#define KVM_GET_PIT               _IOWR(KVMIO, 0x65, struct kvm_pit_state)
1430#define KVM_SET_PIT               _IOR(KVMIO,  0x66, struct kvm_pit_state)
1431#define KVM_IRQ_LINE_STATUS       _IOWR(KVMIO, 0x67, struct kvm_irq_level)
1432#define KVM_REGISTER_COALESCED_MMIO \
1433			_IOW(KVMIO,  0x67, struct kvm_coalesced_mmio_zone)
1434#define KVM_UNREGISTER_COALESCED_MMIO \
1435			_IOW(KVMIO,  0x68, struct kvm_coalesced_mmio_zone)
1436#define KVM_ASSIGN_PCI_DEVICE     _IOR(KVMIO,  0x69, \
1437				       struct kvm_assigned_pci_dev)
1438#define KVM_SET_GSI_ROUTING       _IOW(KVMIO,  0x6a, struct kvm_irq_routing)
1439/* deprecated, replaced by KVM_ASSIGN_DEV_IRQ */
1440#define KVM_ASSIGN_IRQ            __KVM_DEPRECATED_VM_R_0x70
1441#define KVM_ASSIGN_DEV_IRQ        _IOW(KVMIO,  0x70, struct kvm_assigned_irq)
1442#define KVM_REINJECT_CONTROL      _IO(KVMIO,   0x71)
1443#define KVM_DEASSIGN_PCI_DEVICE   _IOW(KVMIO,  0x72, \
1444				       struct kvm_assigned_pci_dev)
1445#define KVM_ASSIGN_SET_MSIX_NR    _IOW(KVMIO,  0x73, \
1446				       struct kvm_assigned_msix_nr)
1447#define KVM_ASSIGN_SET_MSIX_ENTRY _IOW(KVMIO,  0x74, \
1448				       struct kvm_assigned_msix_entry)
1449#define KVM_DEASSIGN_DEV_IRQ      _IOW(KVMIO,  0x75, struct kvm_assigned_irq)
1450#define KVM_IRQFD                 _IOW(KVMIO,  0x76, struct kvm_irqfd)
1451#define KVM_CREATE_PIT2		  _IOW(KVMIO,  0x77, struct kvm_pit_config)
1452#define KVM_SET_BOOT_CPU_ID       _IO(KVMIO,   0x78)
1453#define KVM_IOEVENTFD             _IOW(KVMIO,  0x79, struct kvm_ioeventfd)
1454#define KVM_XEN_HVM_CONFIG        _IOW(KVMIO,  0x7a, struct kvm_xen_hvm_config)
1455#define KVM_SET_CLOCK             _IOW(KVMIO,  0x7b, struct kvm_clock_data)
1456#define KVM_GET_CLOCK             _IOR(KVMIO,  0x7c, struct kvm_clock_data)
1457/* Available with KVM_CAP_PIT_STATE2 */
1458#define KVM_GET_PIT2              _IOR(KVMIO,  0x9f, struct kvm_pit_state2)
1459#define KVM_SET_PIT2              _IOW(KVMIO,  0xa0, struct kvm_pit_state2)
1460/* Available with KVM_CAP_PPC_GET_PVINFO */
1461#define KVM_PPC_GET_PVINFO	  _IOW(KVMIO,  0xa1, struct kvm_ppc_pvinfo)
1462/* Available with KVM_CAP_TSC_CONTROL */
1463#define KVM_SET_TSC_KHZ           _IO(KVMIO,  0xa2)
1464#define KVM_GET_TSC_KHZ           _IO(KVMIO,  0xa3)
1465/* Available with KVM_CAP_PCI_2_3 */
1466#define KVM_ASSIGN_SET_INTX_MASK  _IOW(KVMIO,  0xa4, \
1467				       struct kvm_assigned_pci_dev)
1468/* Available with KVM_CAP_SIGNAL_MSI */
1469#define KVM_SIGNAL_MSI            _IOW(KVMIO,  0xa5, struct kvm_msi)
1470/* Available with KVM_CAP_PPC_GET_SMMU_INFO */
1471#define KVM_PPC_GET_SMMU_INFO	  _IOR(KVMIO,  0xa6, struct kvm_ppc_smmu_info)
1472/* Available with KVM_CAP_PPC_ALLOC_HTAB */
1473#define KVM_PPC_ALLOCATE_HTAB	  _IOWR(KVMIO, 0xa7, __u32)
1474#define KVM_CREATE_SPAPR_TCE	  _IOW(KVMIO,  0xa8, struct kvm_create_spapr_tce)
1475#define KVM_CREATE_SPAPR_TCE_64	  _IOW(KVMIO,  0xa8, \
1476				       struct kvm_create_spapr_tce_64)
1477/* Available with KVM_CAP_RMA */
1478#define KVM_ALLOCATE_RMA	  _IOR(KVMIO,  0xa9, struct kvm_allocate_rma)
1479/* Available with KVM_CAP_PPC_HTAB_FD */
1480#define KVM_PPC_GET_HTAB_FD	  _IOW(KVMIO,  0xaa, struct kvm_get_htab_fd)
1481/* Available with KVM_CAP_ARM_SET_DEVICE_ADDR */
1482#define KVM_ARM_SET_DEVICE_ADDR	  _IOW(KVMIO,  0xab, struct kvm_arm_device_addr)
1483/* Available with KVM_CAP_PPC_RTAS */
1484#define KVM_PPC_RTAS_DEFINE_TOKEN _IOW(KVMIO,  0xac, struct kvm_rtas_token_args)
1485/* Available with KVM_CAP_SPAPR_RESIZE_HPT */
1486#define KVM_PPC_RESIZE_HPT_PREPARE _IOR(KVMIO, 0xad, struct kvm_ppc_resize_hpt)
1487#define KVM_PPC_RESIZE_HPT_COMMIT  _IOR(KVMIO, 0xae, struct kvm_ppc_resize_hpt)
1488/* Available with KVM_CAP_PPC_RADIX_MMU or KVM_CAP_PPC_HASH_MMU_V3 */
1489#define KVM_PPC_CONFIGURE_V3_MMU  _IOW(KVMIO,  0xaf, struct kvm_ppc_mmuv3_cfg)
1490/* Available with KVM_CAP_PPC_RADIX_MMU */
1491#define KVM_PPC_GET_RMMU_INFO	  _IOW(KVMIO,  0xb0, struct kvm_ppc_rmmu_info)
1492/* Available with KVM_CAP_PPC_GET_CPU_CHAR */
1493#define KVM_PPC_GET_CPU_CHAR	  _IOR(KVMIO,  0xb1, struct kvm_ppc_cpu_char)
1494/* Available with KVM_CAP_PMU_EVENT_FILTER */
1495#define KVM_SET_PMU_EVENT_FILTER  _IOW(KVMIO,  0xb2, struct kvm_pmu_event_filter)
1496#define KVM_PPC_SVM_OFF		  _IO(KVMIO,  0xb3)
1497#define KVM_ARM_MTE_COPY_TAGS	  _IOR(KVMIO,  0xb4, struct kvm_arm_copy_mte_tags)
1498
1499/* ioctl for vm fd */
1500#define KVM_CREATE_DEVICE	  _IOWR(KVMIO,  0xe0, struct kvm_create_device)
1501
1502/* ioctls for fds returned by KVM_CREATE_DEVICE */
1503#define KVM_SET_DEVICE_ATTR	  _IOW(KVMIO,  0xe1, struct kvm_device_attr)
1504#define KVM_GET_DEVICE_ATTR	  _IOW(KVMIO,  0xe2, struct kvm_device_attr)
1505#define KVM_HAS_DEVICE_ATTR	  _IOW(KVMIO,  0xe3, struct kvm_device_attr)
1506
1507/*
1508 * ioctls for vcpu fds
1509 */
1510#define KVM_RUN                   _IO(KVMIO,   0x80)
1511#define KVM_GET_REGS              _IOR(KVMIO,  0x81, struct kvm_regs)
1512#define KVM_SET_REGS              _IOW(KVMIO,  0x82, struct kvm_regs)
1513#define KVM_GET_SREGS             _IOR(KVMIO,  0x83, struct kvm_sregs)
1514#define KVM_SET_SREGS             _IOW(KVMIO,  0x84, struct kvm_sregs)
1515#define KVM_TRANSLATE             _IOWR(KVMIO, 0x85, struct kvm_translation)
1516#define KVM_INTERRUPT             _IOW(KVMIO,  0x86, struct kvm_interrupt)
1517/* KVM_DEBUG_GUEST is no longer supported, use KVM_SET_GUEST_DEBUG instead */
1518#define KVM_DEBUG_GUEST           __KVM_DEPRECATED_VCPU_W_0x87
1519#define KVM_GET_MSRS              _IOWR(KVMIO, 0x88, struct kvm_msrs)
1520#define KVM_SET_MSRS              _IOW(KVMIO,  0x89, struct kvm_msrs)
1521#define KVM_SET_CPUID             _IOW(KVMIO,  0x8a, struct kvm_cpuid)
1522#define KVM_SET_SIGNAL_MASK       _IOW(KVMIO,  0x8b, struct kvm_signal_mask)
1523#define KVM_GET_FPU               _IOR(KVMIO,  0x8c, struct kvm_fpu)
1524#define KVM_SET_FPU               _IOW(KVMIO,  0x8d, struct kvm_fpu)
1525#define KVM_GET_LAPIC             _IOR(KVMIO,  0x8e, struct kvm_lapic_state)
1526#define KVM_SET_LAPIC             _IOW(KVMIO,  0x8f, struct kvm_lapic_state)
1527#define KVM_SET_CPUID2            _IOW(KVMIO,  0x90, struct kvm_cpuid2)
1528#define KVM_GET_CPUID2            _IOWR(KVMIO, 0x91, struct kvm_cpuid2)
1529/* Available with KVM_CAP_VAPIC */
1530#define KVM_TPR_ACCESS_REPORTING  _IOWR(KVMIO, 0x92, struct kvm_tpr_access_ctl)
1531/* Available with KVM_CAP_VAPIC */
1532#define KVM_SET_VAPIC_ADDR        _IOW(KVMIO,  0x93, struct kvm_vapic_addr)
1533/* valid for virtual machine (for floating interrupt)_and_ vcpu */
1534#define KVM_S390_INTERRUPT        _IOW(KVMIO,  0x94, struct kvm_s390_interrupt)
1535/* store status for s390 */
1536#define KVM_S390_STORE_STATUS_NOADDR    (-1ul)
1537#define KVM_S390_STORE_STATUS_PREFIXED  (-2ul)
1538#define KVM_S390_STORE_STATUS	  _IOW(KVMIO,  0x95, unsigned long)
1539/* initial ipl psw for s390 */
1540#define KVM_S390_SET_INITIAL_PSW  _IOW(KVMIO,  0x96, struct kvm_s390_psw)
1541/* initial reset for s390 */
1542#define KVM_S390_INITIAL_RESET    _IO(KVMIO,   0x97)
1543#define KVM_GET_MP_STATE          _IOR(KVMIO,  0x98, struct kvm_mp_state)
1544#define KVM_SET_MP_STATE          _IOW(KVMIO,  0x99, struct kvm_mp_state)
1545/* Available with KVM_CAP_USER_NMI */
1546#define KVM_NMI                   _IO(KVMIO,   0x9a)
1547/* Available with KVM_CAP_SET_GUEST_DEBUG */
1548#define KVM_SET_GUEST_DEBUG       _IOW(KVMIO,  0x9b, struct kvm_guest_debug)
1549/* MCE for x86 */
1550#define KVM_X86_SETUP_MCE         _IOW(KVMIO,  0x9c, __u64)
1551#define KVM_X86_GET_MCE_CAP_SUPPORTED _IOR(KVMIO,  0x9d, __u64)
1552#define KVM_X86_SET_MCE           _IOW(KVMIO,  0x9e, struct kvm_x86_mce)
1553/* Available with KVM_CAP_VCPU_EVENTS */
1554#define KVM_GET_VCPU_EVENTS       _IOR(KVMIO,  0x9f, struct kvm_vcpu_events)
1555#define KVM_SET_VCPU_EVENTS       _IOW(KVMIO,  0xa0, struct kvm_vcpu_events)
1556/* Available with KVM_CAP_DEBUGREGS */
1557#define KVM_GET_DEBUGREGS         _IOR(KVMIO,  0xa1, struct kvm_debugregs)
1558#define KVM_SET_DEBUGREGS         _IOW(KVMIO,  0xa2, struct kvm_debugregs)
1559/*
1560 * vcpu version available with KVM_ENABLE_CAP
1561 * vm version available with KVM_CAP_ENABLE_CAP_VM
1562 */
1563#define KVM_ENABLE_CAP            _IOW(KVMIO,  0xa3, struct kvm_enable_cap)
1564/* Available with KVM_CAP_XSAVE */
1565#define KVM_GET_XSAVE		  _IOR(KVMIO,  0xa4, struct kvm_xsave)
1566#define KVM_SET_XSAVE		  _IOW(KVMIO,  0xa5, struct kvm_xsave)
1567/* Available with KVM_CAP_XCRS */
1568#define KVM_GET_XCRS		  _IOR(KVMIO,  0xa6, struct kvm_xcrs)
1569#define KVM_SET_XCRS		  _IOW(KVMIO,  0xa7, struct kvm_xcrs)
1570/* Available with KVM_CAP_SW_TLB */
1571#define KVM_DIRTY_TLB		  _IOW(KVMIO,  0xaa, struct kvm_dirty_tlb)
1572/* Available with KVM_CAP_ONE_REG */
1573#define KVM_GET_ONE_REG		  _IOW(KVMIO,  0xab, struct kvm_one_reg)
1574#define KVM_SET_ONE_REG		  _IOW(KVMIO,  0xac, struct kvm_one_reg)
1575/* VM is being stopped by host */
1576#define KVM_KVMCLOCK_CTRL	  _IO(KVMIO,   0xad)
1577#define KVM_ARM_VCPU_INIT	  _IOW(KVMIO,  0xae, struct kvm_vcpu_init)
1578#define KVM_ARM_PREFERRED_TARGET  _IOR(KVMIO,  0xaf, struct kvm_vcpu_init)
1579#define KVM_GET_REG_LIST	  _IOWR(KVMIO, 0xb0, struct kvm_reg_list)
1580/* Available with KVM_CAP_S390_MEM_OP */
1581#define KVM_S390_MEM_OP		  _IOW(KVMIO,  0xb1, struct kvm_s390_mem_op)
1582/* Available with KVM_CAP_S390_SKEYS */
1583#define KVM_S390_GET_SKEYS      _IOW(KVMIO, 0xb2, struct kvm_s390_skeys)
1584#define KVM_S390_SET_SKEYS      _IOW(KVMIO, 0xb3, struct kvm_s390_skeys)
1585/* Available with KVM_CAP_S390_INJECT_IRQ */
1586#define KVM_S390_IRQ              _IOW(KVMIO,  0xb4, struct kvm_s390_irq)
1587/* Available with KVM_CAP_S390_IRQ_STATE */
1588#define KVM_S390_SET_IRQ_STATE	  _IOW(KVMIO, 0xb5, struct kvm_s390_irq_state)
1589#define KVM_S390_GET_IRQ_STATE	  _IOW(KVMIO, 0xb6, struct kvm_s390_irq_state)
1590/* Available with KVM_CAP_X86_SMM */
1591#define KVM_SMI                   _IO(KVMIO,   0xb7)
1592/* Available with KVM_CAP_S390_CMMA_MIGRATION */
1593#define KVM_S390_GET_CMMA_BITS      _IOWR(KVMIO, 0xb8, struct kvm_s390_cmma_log)
1594#define KVM_S390_SET_CMMA_BITS      _IOW(KVMIO, 0xb9, struct kvm_s390_cmma_log)
1595/* Memory Encryption Commands */
1596#define KVM_MEMORY_ENCRYPT_OP      _IOWR(KVMIO, 0xba, unsigned long)
1597
1598struct kvm_enc_region {
1599	__u64 addr;
1600	__u64 size;
1601};
1602
1603#define KVM_MEMORY_ENCRYPT_REG_REGION    _IOR(KVMIO, 0xbb, struct kvm_enc_region)
1604#define KVM_MEMORY_ENCRYPT_UNREG_REGION  _IOR(KVMIO, 0xbc, struct kvm_enc_region)
1605
1606/* Available with KVM_CAP_HYPERV_EVENTFD */
1607#define KVM_HYPERV_EVENTFD        _IOW(KVMIO,  0xbd, struct kvm_hyperv_eventfd)
1608
1609/* Available with KVM_CAP_NESTED_STATE */
1610#define KVM_GET_NESTED_STATE         _IOWR(KVMIO, 0xbe, struct kvm_nested_state)
1611#define KVM_SET_NESTED_STATE         _IOW(KVMIO,  0xbf, struct kvm_nested_state)
1612
1613/* Available with KVM_CAP_MANUAL_DIRTY_LOG_PROTECT_2 */
1614#define KVM_CLEAR_DIRTY_LOG          _IOWR(KVMIO, 0xc0, struct kvm_clear_dirty_log)
1615
1616/* Available with KVM_CAP_HYPERV_CPUID (vcpu) / KVM_CAP_SYS_HYPERV_CPUID (system) */
1617#define KVM_GET_SUPPORTED_HV_CPUID _IOWR(KVMIO, 0xc1, struct kvm_cpuid2)
1618
1619/* Available with KVM_CAP_ARM_SVE */
1620#define KVM_ARM_VCPU_FINALIZE	  _IOW(KVMIO,  0xc2, int)
1621
1622/* Available with  KVM_CAP_S390_VCPU_RESETS */
1623#define KVM_S390_NORMAL_RESET	_IO(KVMIO,   0xc3)
1624#define KVM_S390_CLEAR_RESET	_IO(KVMIO,   0xc4)
1625
1626/* Available with KVM_CAP_XSAVE2 */
1627#define KVM_GET_XSAVE2		  _IOR(KVMIO,  0xcf, struct kvm_xsave)
1628
1629struct kvm_s390_pv_sec_parm {
1630	__u64 origin;
1631	__u64 length;
1632};
1633
1634struct kvm_s390_pv_unp {
1635	__u64 addr;
1636	__u64 size;
1637	__u64 tweak;
1638};
1639
1640enum pv_cmd_id {
1641	KVM_PV_ENABLE,
1642	KVM_PV_DISABLE,
1643	KVM_PV_SET_SEC_PARMS,
1644	KVM_PV_UNPACK,
1645	KVM_PV_VERIFY,
1646	KVM_PV_PREP_RESET,
1647	KVM_PV_UNSHARE_ALL,
1648};
1649
1650struct kvm_pv_cmd {
1651	__u32 cmd;	/* Command to be executed */
1652	__u16 rc;	/* Ultravisor return code */
1653	__u16 rrc;	/* Ultravisor return reason code */
1654	__u64 data;	/* Data or address */
1655	__u32 flags;    /* flags for future extensions. Must be 0 for now */
1656	__u32 reserved[3];
1657};
1658
1659/* Available with KVM_CAP_S390_PROTECTED */
1660#define KVM_S390_PV_COMMAND		_IOWR(KVMIO, 0xc5, struct kvm_pv_cmd)
1661
1662/* Available with KVM_CAP_X86_MSR_FILTER */
1663#define KVM_X86_SET_MSR_FILTER	_IOW(KVMIO,  0xc6, struct kvm_msr_filter)
1664
1665/* Available with KVM_CAP_DIRTY_LOG_RING */
1666#define KVM_RESET_DIRTY_RINGS		_IO(KVMIO, 0xc7)
1667
1668/* Per-VM Xen attributes */
1669#define KVM_XEN_HVM_GET_ATTR	_IOWR(KVMIO, 0xc8, struct kvm_xen_hvm_attr)
1670#define KVM_XEN_HVM_SET_ATTR	_IOW(KVMIO,  0xc9, struct kvm_xen_hvm_attr)
1671
1672struct kvm_xen_hvm_attr {
1673	__u16 type;
1674	__u16 pad[3];
1675	union {
1676		__u8 long_mode;
1677		__u8 vector;
1678		struct {
1679			__u64 gfn;
1680		} shared_info;
1681		__u64 pad[8];
1682	} u;
1683};
1684
1685/* Available with KVM_CAP_XEN_HVM / KVM_XEN_HVM_CONFIG_SHARED_INFO */
1686#define KVM_XEN_ATTR_TYPE_LONG_MODE		0x0
1687#define KVM_XEN_ATTR_TYPE_SHARED_INFO		0x1
1688#define KVM_XEN_ATTR_TYPE_UPCALL_VECTOR		0x2
1689
1690/* Per-vCPU Xen attributes */
1691#define KVM_XEN_VCPU_GET_ATTR	_IOWR(KVMIO, 0xca, struct kvm_xen_vcpu_attr)
1692#define KVM_XEN_VCPU_SET_ATTR	_IOW(KVMIO,  0xcb, struct kvm_xen_vcpu_attr)
1693
1694#define KVM_GET_SREGS2             _IOR(KVMIO,  0xcc, struct kvm_sregs2)
1695#define KVM_SET_SREGS2             _IOW(KVMIO,  0xcd, struct kvm_sregs2)
1696
1697struct kvm_xen_vcpu_attr {
1698	__u16 type;
1699	__u16 pad[3];
1700	union {
1701		__u64 gpa;
1702		__u64 pad[8];
1703		struct {
1704			__u64 state;
1705			__u64 state_entry_time;
1706			__u64 time_running;
1707			__u64 time_runnable;
1708			__u64 time_blocked;
1709			__u64 time_offline;
1710		} runstate;
1711	} u;
1712};
1713
1714/* Available with KVM_CAP_XEN_HVM / KVM_XEN_HVM_CONFIG_SHARED_INFO */
1715#define KVM_XEN_VCPU_ATTR_TYPE_VCPU_INFO	0x0
1716#define KVM_XEN_VCPU_ATTR_TYPE_VCPU_TIME_INFO	0x1
1717#define KVM_XEN_VCPU_ATTR_TYPE_RUNSTATE_ADDR	0x2
1718#define KVM_XEN_VCPU_ATTR_TYPE_RUNSTATE_CURRENT	0x3
1719#define KVM_XEN_VCPU_ATTR_TYPE_RUNSTATE_DATA	0x4
1720#define KVM_XEN_VCPU_ATTR_TYPE_RUNSTATE_ADJUST	0x5
1721
1722/* Secure Encrypted Virtualization command */
1723enum sev_cmd_id {
1724	/* Guest initialization commands */
1725	KVM_SEV_INIT = 0,
1726	KVM_SEV_ES_INIT,
1727	/* Guest launch commands */
1728	KVM_SEV_LAUNCH_START,
1729	KVM_SEV_LAUNCH_UPDATE_DATA,
1730	KVM_SEV_LAUNCH_UPDATE_VMSA,
1731	KVM_SEV_LAUNCH_SECRET,
1732	KVM_SEV_LAUNCH_MEASURE,
1733	KVM_SEV_LAUNCH_FINISH,
1734	/* Guest migration commands (outgoing) */
1735	KVM_SEV_SEND_START,
1736	KVM_SEV_SEND_UPDATE_DATA,
1737	KVM_SEV_SEND_UPDATE_VMSA,
1738	KVM_SEV_SEND_FINISH,
1739	/* Guest migration commands (incoming) */
1740	KVM_SEV_RECEIVE_START,
1741	KVM_SEV_RECEIVE_UPDATE_DATA,
1742	KVM_SEV_RECEIVE_UPDATE_VMSA,
1743	KVM_SEV_RECEIVE_FINISH,
1744	/* Guest status and debug commands */
1745	KVM_SEV_GUEST_STATUS,
1746	KVM_SEV_DBG_DECRYPT,
1747	KVM_SEV_DBG_ENCRYPT,
1748	/* Guest certificates commands */
1749	KVM_SEV_CERT_EXPORT,
1750	/* Attestation report */
1751	KVM_SEV_GET_ATTESTATION_REPORT,
1752	/* Guest Migration Extension */
1753	KVM_SEV_SEND_CANCEL,
1754
1755	KVM_SEV_NR_MAX,
1756};
1757
1758struct kvm_sev_cmd {
1759	__u32 id;
1760	__u64 data;
1761	__u32 error;
1762	__u32 sev_fd;
1763};
1764
1765struct kvm_sev_launch_start {
1766	__u32 handle;
1767	__u32 policy;
1768	__u64 dh_uaddr;
1769	__u32 dh_len;
1770	__u64 session_uaddr;
1771	__u32 session_len;
1772};
1773
1774struct kvm_sev_launch_update_data {
1775	__u64 uaddr;
1776	__u32 len;
1777};
1778
1779
1780struct kvm_sev_launch_secret {
1781	__u64 hdr_uaddr;
1782	__u32 hdr_len;
1783	__u64 guest_uaddr;
1784	__u32 guest_len;
1785	__u64 trans_uaddr;
1786	__u32 trans_len;
1787};
1788
1789struct kvm_sev_launch_measure {
1790	__u64 uaddr;
1791	__u32 len;
1792};
1793
1794struct kvm_sev_guest_status {
1795	__u32 handle;
1796	__u32 policy;
1797	__u32 state;
1798};
1799
1800struct kvm_sev_dbg {
1801	__u64 src_uaddr;
1802	__u64 dst_uaddr;
1803	__u32 len;
1804};
1805
1806struct kvm_sev_attestation_report {
1807	__u8 mnonce[16];
1808	__u64 uaddr;
1809	__u32 len;
1810};
1811
1812struct kvm_sev_send_start {
1813	__u32 policy;
1814	__u64 pdh_cert_uaddr;
1815	__u32 pdh_cert_len;
1816	__u64 plat_certs_uaddr;
1817	__u32 plat_certs_len;
1818	__u64 amd_certs_uaddr;
1819	__u32 amd_certs_len;
1820	__u64 session_uaddr;
1821	__u32 session_len;
1822};
1823
1824struct kvm_sev_send_update_data {
1825	__u64 hdr_uaddr;
1826	__u32 hdr_len;
1827	__u64 guest_uaddr;
1828	__u32 guest_len;
1829	__u64 trans_uaddr;
1830	__u32 trans_len;
1831};
1832
1833struct kvm_sev_receive_start {
1834	__u32 handle;
1835	__u32 policy;
1836	__u64 pdh_uaddr;
1837	__u32 pdh_len;
1838	__u64 session_uaddr;
1839	__u32 session_len;
1840};
1841
1842struct kvm_sev_receive_update_data {
1843	__u64 hdr_uaddr;
1844	__u32 hdr_len;
1845	__u64 guest_uaddr;
1846	__u32 guest_len;
1847	__u64 trans_uaddr;
1848	__u32 trans_len;
1849};
1850
1851#define KVM_DEV_ASSIGN_ENABLE_IOMMU	(1 << 0)
1852#define KVM_DEV_ASSIGN_PCI_2_3		(1 << 1)
1853#define KVM_DEV_ASSIGN_MASK_INTX	(1 << 2)
1854
1855struct kvm_assigned_pci_dev {
1856	__u32 assigned_dev_id;
1857	__u32 busnr;
1858	__u32 devfn;
1859	__u32 flags;
1860	__u32 segnr;
1861	union {
1862		__u32 reserved[11];
1863	};
1864};
1865
1866#define KVM_DEV_IRQ_HOST_INTX    (1 << 0)
1867#define KVM_DEV_IRQ_HOST_MSI     (1 << 1)
1868#define KVM_DEV_IRQ_HOST_MSIX    (1 << 2)
1869
1870#define KVM_DEV_IRQ_GUEST_INTX   (1 << 8)
1871#define KVM_DEV_IRQ_GUEST_MSI    (1 << 9)
1872#define KVM_DEV_IRQ_GUEST_MSIX   (1 << 10)
1873
1874#define KVM_DEV_IRQ_HOST_MASK	 0x00ff
1875#define KVM_DEV_IRQ_GUEST_MASK   0xff00
1876
1877struct kvm_assigned_irq {
1878	__u32 assigned_dev_id;
1879	__u32 host_irq; /* ignored (legacy field) */
1880	__u32 guest_irq;
1881	__u32 flags;
1882	union {
1883		__u32 reserved[12];
1884	};
1885};
1886
1887struct kvm_assigned_msix_nr {
1888	__u32 assigned_dev_id;
1889	__u16 entry_nr;
1890	__u16 padding;
1891};
1892
1893#define KVM_MAX_MSIX_PER_DEV		256
1894struct kvm_assigned_msix_entry {
1895	__u32 assigned_dev_id;
1896	__u32 gsi;
1897	__u16 entry; /* The index of entry in the MSI-X table */
1898	__u16 padding[3];
1899};
1900
1901#define KVM_X2APIC_API_USE_32BIT_IDS            (1ULL << 0)
1902#define KVM_X2APIC_API_DISABLE_BROADCAST_QUIRK  (1ULL << 1)
1903
1904/* Available with KVM_CAP_ARM_USER_IRQ */
1905
1906/* Bits for run->s.regs.device_irq_level */
1907#define KVM_ARM_DEV_EL1_VTIMER		(1 << 0)
1908#define KVM_ARM_DEV_EL1_PTIMER		(1 << 1)
1909#define KVM_ARM_DEV_PMU			(1 << 2)
1910
1911struct kvm_hyperv_eventfd {
1912	__u32 conn_id;
1913	__s32 fd;
1914	__u32 flags;
1915	__u32 padding[3];
1916};
1917
1918#define KVM_HYPERV_CONN_ID_MASK		0x00ffffff
1919#define KVM_HYPERV_EVENTFD_DEASSIGN	(1 << 0)
1920
1921#define KVM_DIRTY_LOG_MANUAL_PROTECT_ENABLE    (1 << 0)
1922#define KVM_DIRTY_LOG_INITIALLY_SET            (1 << 1)
1923
1924/*
1925 * Arch needs to define the macro after implementing the dirty ring
1926 * feature.  KVM_DIRTY_LOG_PAGE_OFFSET should be defined as the
1927 * starting page offset of the dirty ring structures.
1928 */
1929#ifndef KVM_DIRTY_LOG_PAGE_OFFSET
1930#define KVM_DIRTY_LOG_PAGE_OFFSET 0
1931#endif
1932
1933/*
1934 * KVM dirty GFN flags, defined as:
1935 *
1936 * |---------------+---------------+--------------|
1937 * | bit 1 (reset) | bit 0 (dirty) | Status       |
1938 * |---------------+---------------+--------------|
1939 * |             0 |             0 | Invalid GFN  |
1940 * |             0 |             1 | Dirty GFN    |
1941 * |             1 |             X | GFN to reset |
1942 * |---------------+---------------+--------------|
1943 *
1944 * Lifecycle of a dirty GFN goes like:
1945 *
1946 *      dirtied         harvested        reset
1947 * 00 -----------> 01 -------------> 1X -------+
1948 *  ^                                          |
1949 *  |                                          |
1950 *  +------------------------------------------+
1951 *
1952 * The userspace program is only responsible for the 01->1X state
1953 * conversion after harvesting an entry.  Also, it must not skip any
1954 * dirty bits, so that dirty bits are always harvested in sequence.
1955 */
1956#define KVM_DIRTY_GFN_F_DIRTY           _BITUL(0)
1957#define KVM_DIRTY_GFN_F_RESET           _BITUL(1)
1958#define KVM_DIRTY_GFN_F_MASK            0x3
1959
1960/*
1961 * KVM dirty rings should be mapped at KVM_DIRTY_LOG_PAGE_OFFSET of
1962 * per-vcpu mmaped regions as an array of struct kvm_dirty_gfn.  The
1963 * size of the gfn buffer is decided by the first argument when
1964 * enabling KVM_CAP_DIRTY_LOG_RING.
1965 */
1966struct kvm_dirty_gfn {
1967	__u32 flags;
1968	__u32 slot;
1969	__u64 offset;
1970};
1971
1972#define KVM_BUS_LOCK_DETECTION_OFF             (1 << 0)
1973#define KVM_BUS_LOCK_DETECTION_EXIT            (1 << 1)
1974
1975/**
1976 * struct kvm_stats_header - Header of per vm/vcpu binary statistics data.
1977 * @flags: Some extra information for header, always 0 for now.
1978 * @name_size: The size in bytes of the memory which contains statistics
1979 *             name string including trailing '\0'. The memory is allocated
1980 *             at the send of statistics descriptor.
1981 * @num_desc: The number of statistics the vm or vcpu has.
1982 * @id_offset: The offset of the vm/vcpu stats' id string in the file pointed
1983 *             by vm/vcpu stats fd.
1984 * @desc_offset: The offset of the vm/vcpu stats' descriptor block in the file
1985 *               pointd by vm/vcpu stats fd.
1986 * @data_offset: The offset of the vm/vcpu stats' data block in the file
1987 *               pointed by vm/vcpu stats fd.
1988 *
1989 * This is the header userspace needs to read from stats fd before any other
1990 * readings. It is used by userspace to discover all the information about the
1991 * vm/vcpu's binary statistics.
1992 * Userspace reads this header from the start of the vm/vcpu's stats fd.
1993 */
1994struct kvm_stats_header {
1995	__u32 flags;
1996	__u32 name_size;
1997	__u32 num_desc;
1998	__u32 id_offset;
1999	__u32 desc_offset;
2000	__u32 data_offset;
2001};
2002
2003#define KVM_STATS_TYPE_SHIFT		0
2004#define KVM_STATS_TYPE_MASK		(0xF << KVM_STATS_TYPE_SHIFT)
2005#define KVM_STATS_TYPE_CUMULATIVE	(0x0 << KVM_STATS_TYPE_SHIFT)
2006#define KVM_STATS_TYPE_INSTANT		(0x1 << KVM_STATS_TYPE_SHIFT)
2007#define KVM_STATS_TYPE_PEAK		(0x2 << KVM_STATS_TYPE_SHIFT)
2008#define KVM_STATS_TYPE_LINEAR_HIST	(0x3 << KVM_STATS_TYPE_SHIFT)
2009#define KVM_STATS_TYPE_LOG_HIST		(0x4 << KVM_STATS_TYPE_SHIFT)
2010#define KVM_STATS_TYPE_MAX		KVM_STATS_TYPE_LOG_HIST
2011
2012#define KVM_STATS_UNIT_SHIFT		4
2013#define KVM_STATS_UNIT_MASK		(0xF << KVM_STATS_UNIT_SHIFT)
2014#define KVM_STATS_UNIT_NONE		(0x0 << KVM_STATS_UNIT_SHIFT)
2015#define KVM_STATS_UNIT_BYTES		(0x1 << KVM_STATS_UNIT_SHIFT)
2016#define KVM_STATS_UNIT_SECONDS		(0x2 << KVM_STATS_UNIT_SHIFT)
2017#define KVM_STATS_UNIT_CYCLES		(0x3 << KVM_STATS_UNIT_SHIFT)
2018#define KVM_STATS_UNIT_MAX		KVM_STATS_UNIT_CYCLES
2019
2020#define KVM_STATS_BASE_SHIFT		8
2021#define KVM_STATS_BASE_MASK		(0xF << KVM_STATS_BASE_SHIFT)
2022#define KVM_STATS_BASE_POW10		(0x0 << KVM_STATS_BASE_SHIFT)
2023#define KVM_STATS_BASE_POW2		(0x1 << KVM_STATS_BASE_SHIFT)
2024#define KVM_STATS_BASE_MAX		KVM_STATS_BASE_POW2
2025
2026/**
2027 * struct kvm_stats_desc - Descriptor of a KVM statistics.
2028 * @flags: Annotations of the stats, like type, unit, etc.
2029 * @exponent: Used together with @flags to determine the unit.
2030 * @size: The number of data items for this stats.
2031 *        Every data item is of type __u64.
2032 * @offset: The offset of the stats to the start of stat structure in
2033 *          structure kvm or kvm_vcpu.
2034 * @bucket_size: A parameter value used for histogram stats. It is only used
2035 *		for linear histogram stats, specifying the size of the bucket;
2036 * @name: The name string for the stats. Its size is indicated by the
2037 *        &kvm_stats_header->name_size.
2038 */
2039struct kvm_stats_desc {
2040	__u32 flags;
2041	__s16 exponent;
2042	__u16 size;
2043	__u32 offset;
2044	__u32 bucket_size;
2045	char name[];
2046};
2047
2048#define KVM_GET_STATS_FD  _IO(KVMIO,  0xce)
2049
2050#endif /* __LINUX_KVM_H */
2051