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/*
20 * Backwards-compatible definitions.
21 */
22#define __KVM_HAVE_GUEST_DEBUG
23
24/* for KVM_SET_USER_MEMORY_REGION */
25struct kvm_userspace_memory_region {
26 __u32 slot;
27 __u32 flags;
28 __u64 guest_phys_addr;
29 __u64 memory_size; /* bytes */
30 __u64 userspace_addr; /* start of the userspace allocated memory */
31};
32
33/* for KVM_SET_USER_MEMORY_REGION2 */
34struct kvm_userspace_memory_region2 {
35 __u32 slot;
36 __u32 flags;
37 __u64 guest_phys_addr;
38 __u64 memory_size;
39 __u64 userspace_addr;
40 __u64 guest_memfd_offset;
41 __u32 guest_memfd;
42 __u32 pad1;
43 __u64 pad2[14];
44};
45
46/*
47 * The bit 0 ~ bit 15 of kvm_userspace_memory_region::flags are visible for
48 * userspace, other bits are reserved for kvm internal use which are defined
49 * in include/linux/kvm_host.h.
50 */
51#define KVM_MEM_LOG_DIRTY_PAGES (1UL << 0)
52#define KVM_MEM_READONLY (1UL << 1)
53#define KVM_MEM_GUEST_MEMFD (1UL << 2)
54
55/* for KVM_IRQ_LINE */
56struct kvm_irq_level {
57 /*
58 * ACPI gsi notion of irq.
59 * For IA-64 (APIC model) IOAPIC0: irq 0-23; IOAPIC1: irq 24-47..
60 * For X86 (standard AT mode) PIC0/1: irq 0-15. IOAPIC0: 0-23..
61 * For ARM: See Documentation/virt/kvm/api.rst
62 */
63 union {
64 __u32 irq;
65 __s32 status;
66 };
67 __u32 level;
68};
69
70
71struct kvm_irqchip {
72 __u32 chip_id;
73 __u32 pad;
74 union {
75 char dummy[512]; /* reserving space */
76#ifdef __KVM_HAVE_PIT
77 struct kvm_pic_state pic;
78#endif
79#ifdef __KVM_HAVE_IOAPIC
80 struct kvm_ioapic_state ioapic;
81#endif
82 } chip;
83};
84
85/* for KVM_CREATE_PIT2 */
86struct kvm_pit_config {
87 __u32 flags;
88 __u32 pad[15];
89};
90
91#define KVM_PIT_SPEAKER_DUMMY 1
92
93struct kvm_hyperv_exit {
94#define KVM_EXIT_HYPERV_SYNIC 1
95#define KVM_EXIT_HYPERV_HCALL 2
96#define KVM_EXIT_HYPERV_SYNDBG 3
97 __u32 type;
98 __u32 pad1;
99 union {
100 struct {
101 __u32 msr;
102 __u32 pad2;
103 __u64 control;
104 __u64 evt_page;
105 __u64 msg_page;
106 } synic;
107 struct {
108 __u64 input;
109 __u64 result;
110 __u64 params[2];
111 } hcall;
112 struct {
113 __u32 msr;
114 __u32 pad2;
115 __u64 control;
116 __u64 status;
117 __u64 send_page;
118 __u64 recv_page;
119 __u64 pending_page;
120 } syndbg;
121 } u;
122};
123
124struct kvm_xen_exit {
125#define KVM_EXIT_XEN_HCALL 1
126 __u32 type;
127 union {
128 struct {
129 __u32 longmode;
130 __u32 cpl;
131 __u64 input;
132 __u64 result;
133 __u64 params[6];
134 } hcall;
135 } u;
136};
137
138#define KVM_S390_GET_SKEYS_NONE 1
139#define KVM_S390_SKEYS_MAX 1048576
140
141#define KVM_EXIT_UNKNOWN 0
142#define KVM_EXIT_EXCEPTION 1
143#define KVM_EXIT_IO 2
144#define KVM_EXIT_HYPERCALL 3
145#define KVM_EXIT_DEBUG 4
146#define KVM_EXIT_HLT 5
147#define KVM_EXIT_MMIO 6
148#define KVM_EXIT_IRQ_WINDOW_OPEN 7
149#define KVM_EXIT_SHUTDOWN 8
150#define KVM_EXIT_FAIL_ENTRY 9
151#define KVM_EXIT_INTR 10
152#define KVM_EXIT_SET_TPR 11
153#define KVM_EXIT_TPR_ACCESS 12
154#define KVM_EXIT_S390_SIEIC 13
155#define KVM_EXIT_S390_RESET 14
156#define KVM_EXIT_DCR 15 /* deprecated */
157#define KVM_EXIT_NMI 16
158#define KVM_EXIT_INTERNAL_ERROR 17
159#define KVM_EXIT_OSI 18
160#define KVM_EXIT_PAPR_HCALL 19
161#define KVM_EXIT_S390_UCONTROL 20
162#define KVM_EXIT_WATCHDOG 21
163#define KVM_EXIT_S390_TSCH 22
164#define KVM_EXIT_EPR 23
165#define KVM_EXIT_SYSTEM_EVENT 24
166#define KVM_EXIT_S390_STSI 25
167#define KVM_EXIT_IOAPIC_EOI 26
168#define KVM_EXIT_HYPERV 27
169#define KVM_EXIT_ARM_NISV 28
170#define KVM_EXIT_X86_RDMSR 29
171#define KVM_EXIT_X86_WRMSR 30
172#define KVM_EXIT_DIRTY_RING_FULL 31
173#define KVM_EXIT_AP_RESET_HOLD 32
174#define KVM_EXIT_X86_BUS_LOCK 33
175#define KVM_EXIT_XEN 34
176#define KVM_EXIT_RISCV_SBI 35
177#define KVM_EXIT_RISCV_CSR 36
178#define KVM_EXIT_NOTIFY 37
179#define KVM_EXIT_LOONGARCH_IOCSR 38
180#define KVM_EXIT_MEMORY_FAULT 39
181
182/* For KVM_EXIT_INTERNAL_ERROR */
183/* Emulate instruction failed. */
184#define KVM_INTERNAL_ERROR_EMULATION 1
185/* Encounter unexpected simultaneous exceptions. */
186#define KVM_INTERNAL_ERROR_SIMUL_EX 2
187/* Encounter unexpected vm-exit due to delivery event. */
188#define KVM_INTERNAL_ERROR_DELIVERY_EV 3
189/* Encounter unexpected vm-exit reason */
190#define KVM_INTERNAL_ERROR_UNEXPECTED_EXIT_REASON 4
191
192/* Flags that describe what fields in emulation_failure hold valid data. */
193#define KVM_INTERNAL_ERROR_EMULATION_FLAG_INSTRUCTION_BYTES (1ULL << 0)
194
195/* for KVM_RUN, returned by mmap(vcpu_fd, offset=0) */
196struct kvm_run {
197 /* in */
198 __u8 request_interrupt_window;
199 __u8 immediate_exit;
200 __u8 padding1[6];
201
202 /* out */
203 __u32 exit_reason;
204 __u8 ready_for_interrupt_injection;
205 __u8 if_flag;
206 __u16 flags;
207
208 /* in (pre_kvm_run), out (post_kvm_run) */
209 __u64 cr8;
210 __u64 apic_base;
211
212#ifdef __KVM_S390
213 /* the processor status word for s390 */
214 __u64 psw_mask; /* psw upper half */
215 __u64 psw_addr; /* psw lower half */
216#endif
217 union {
218 /* KVM_EXIT_UNKNOWN */
219 struct {
220 __u64 hardware_exit_reason;
221 } hw;
222 /* KVM_EXIT_FAIL_ENTRY */
223 struct {
224 __u64 hardware_entry_failure_reason;
225 __u32 cpu;
226 } fail_entry;
227 /* KVM_EXIT_EXCEPTION */
228 struct {
229 __u32 exception;
230 __u32 error_code;
231 } ex;
232 /* KVM_EXIT_IO */
233 struct {
234#define KVM_EXIT_IO_IN 0
235#define KVM_EXIT_IO_OUT 1
236 __u8 direction;
237 __u8 size; /* bytes */
238 __u16 port;
239 __u32 count;
240 __u64 data_offset; /* relative to kvm_run start */
241 } io;
242 /* KVM_EXIT_DEBUG */
243 struct {
244 struct kvm_debug_exit_arch arch;
245 } debug;
246 /* KVM_EXIT_MMIO */
247 struct {
248 __u64 phys_addr;
249 __u8 data[8];
250 __u32 len;
251 __u8 is_write;
252 } mmio;
253 /* KVM_EXIT_LOONGARCH_IOCSR */
254 struct {
255 __u64 phys_addr;
256 __u8 data[8];
257 __u32 len;
258 __u8 is_write;
259 } iocsr_io;
260 /* KVM_EXIT_HYPERCALL */
261 struct {
262 __u64 nr;
263 __u64 args[6];
264 __u64 ret;
265
266 union {
267#ifndef __KERNEL__
268 __u32 longmode;
269#endif
270 __u64 flags;
271 };
272 } hypercall;
273 /* KVM_EXIT_TPR_ACCESS */
274 struct {
275 __u64 rip;
276 __u32 is_write;
277 __u32 pad;
278 } tpr_access;
279 /* KVM_EXIT_S390_SIEIC */
280 struct {
281 __u8 icptcode;
282 __u16 ipa;
283 __u32 ipb;
284 } s390_sieic;
285 /* KVM_EXIT_S390_RESET */
286 __u64 s390_reset_flags;
287 /* KVM_EXIT_S390_UCONTROL */
288 struct {
289 __u64 trans_exc_code;
290 __u32 pgm_code;
291 } s390_ucontrol;
292 /* KVM_EXIT_DCR (deprecated) */
293 struct {
294 __u32 dcrn;
295 __u32 data;
296 __u8 is_write;
297 } dcr;
298 /* KVM_EXIT_INTERNAL_ERROR */
299 struct {
300 __u32 suberror;
301 /* Available with KVM_CAP_INTERNAL_ERROR_DATA: */
302 __u32 ndata;
303 __u64 data[16];
304 } internal;
305 /*
306 * KVM_INTERNAL_ERROR_EMULATION
307 *
308 * "struct emulation_failure" is an overlay of "struct internal"
309 * that is used for the KVM_INTERNAL_ERROR_EMULATION sub-type of
310 * KVM_EXIT_INTERNAL_ERROR. Note, unlike other internal error
311 * sub-types, this struct is ABI! It also needs to be backwards
312 * compatible with "struct internal". Take special care that
313 * "ndata" is correct, that new fields are enumerated in "flags",
314 * and that each flag enumerates fields that are 64-bit aligned
315 * and sized (so that ndata+internal.data[] is valid/accurate).
316 *
317 * Space beyond the defined fields may be used to store arbitrary
318 * debug information relating to the emulation failure. It is
319 * accounted for in "ndata" but the format is unspecified and is
320 * not represented in "flags". Any such information is *not* ABI!
321 */
322 struct {
323 __u32 suberror;
324 __u32 ndata;
325 __u64 flags;
326 union {
327 struct {
328 __u8 insn_size;
329 __u8 insn_bytes[15];
330 };
331 };
332 /* Arbitrary debug data may follow. */
333 } emulation_failure;
334 /* KVM_EXIT_OSI */
335 struct {
336 __u64 gprs[32];
337 } osi;
338 /* KVM_EXIT_PAPR_HCALL */
339 struct {
340 __u64 nr;
341 __u64 ret;
342 __u64 args[9];
343 } papr_hcall;
344 /* KVM_EXIT_S390_TSCH */
345 struct {
346 __u16 subchannel_id;
347 __u16 subchannel_nr;
348 __u32 io_int_parm;
349 __u32 io_int_word;
350 __u32 ipb;
351 __u8 dequeued;
352 } s390_tsch;
353 /* KVM_EXIT_EPR */
354 struct {
355 __u32 epr;
356 } epr;
357 /* KVM_EXIT_SYSTEM_EVENT */
358 struct {
359#define KVM_SYSTEM_EVENT_SHUTDOWN 1
360#define KVM_SYSTEM_EVENT_RESET 2
361#define KVM_SYSTEM_EVENT_CRASH 3
362#define KVM_SYSTEM_EVENT_WAKEUP 4
363#define KVM_SYSTEM_EVENT_SUSPEND 5
364#define KVM_SYSTEM_EVENT_SEV_TERM 6
365 __u32 type;
366 __u32 ndata;
367 union {
368#ifndef __KERNEL__
369 __u64 flags;
370#endif
371 __u64 data[16];
372 };
373 } system_event;
374 /* KVM_EXIT_S390_STSI */
375 struct {
376 __u64 addr;
377 __u8 ar;
378 __u8 reserved;
379 __u8 fc;
380 __u8 sel1;
381 __u16 sel2;
382 } s390_stsi;
383 /* KVM_EXIT_IOAPIC_EOI */
384 struct {
385 __u8 vector;
386 } eoi;
387 /* KVM_EXIT_HYPERV */
388 struct kvm_hyperv_exit hyperv;
389 /* KVM_EXIT_ARM_NISV */
390 struct {
391 __u64 esr_iss;
392 __u64 fault_ipa;
393 } arm_nisv;
394 /* KVM_EXIT_X86_RDMSR / KVM_EXIT_X86_WRMSR */
395 struct {
396 __u8 error; /* user -> kernel */
397 __u8 pad[7];
398#define KVM_MSR_EXIT_REASON_INVAL (1 << 0)
399#define KVM_MSR_EXIT_REASON_UNKNOWN (1 << 1)
400#define KVM_MSR_EXIT_REASON_FILTER (1 << 2)
401#define KVM_MSR_EXIT_REASON_VALID_MASK (KVM_MSR_EXIT_REASON_INVAL | \
402 KVM_MSR_EXIT_REASON_UNKNOWN | \
403 KVM_MSR_EXIT_REASON_FILTER)
404 __u32 reason; /* kernel -> user */
405 __u32 index; /* kernel -> user */
406 __u64 data; /* kernel <-> user */
407 } msr;
408 /* KVM_EXIT_XEN */
409 struct kvm_xen_exit xen;
410 /* KVM_EXIT_RISCV_SBI */
411 struct {
412 unsigned long extension_id;
413 unsigned long function_id;
414 unsigned long args[6];
415 unsigned long ret[2];
416 } riscv_sbi;
417 /* KVM_EXIT_RISCV_CSR */
418 struct {
419 unsigned long csr_num;
420 unsigned long new_value;
421 unsigned long write_mask;
422 unsigned long ret_value;
423 } riscv_csr;
424 /* KVM_EXIT_NOTIFY */
425 struct {
426#define KVM_NOTIFY_CONTEXT_INVALID (1 << 0)
427 __u32 flags;
428 } notify;
429 /* KVM_EXIT_MEMORY_FAULT */
430 struct {
431#define KVM_MEMORY_EXIT_FLAG_PRIVATE (1ULL << 3)
432 __u64 flags;
433 __u64 gpa;
434 __u64 size;
435 } memory_fault;
436 /* Fix the size of the union. */
437 char padding[256];
438 };
439
440 /* 2048 is the size of the char array used to bound/pad the size
441 * of the union that holds sync regs.
442 */
443 #define SYNC_REGS_SIZE_BYTES 2048
444 /*
445 * shared registers between kvm and userspace.
446 * kvm_valid_regs specifies the register classes set by the host
447 * kvm_dirty_regs specified the register classes dirtied by userspace
448 * struct kvm_sync_regs is architecture specific, as well as the
449 * bits for kvm_valid_regs and kvm_dirty_regs
450 */
451 __u64 kvm_valid_regs;
452 __u64 kvm_dirty_regs;
453 union {
454 struct kvm_sync_regs regs;
455 char padding[SYNC_REGS_SIZE_BYTES];
456 } s;
457};
458
459/* for KVM_REGISTER_COALESCED_MMIO / KVM_UNREGISTER_COALESCED_MMIO */
460
461struct kvm_coalesced_mmio_zone {
462 __u64 addr;
463 __u32 size;
464 union {
465 __u32 pad;
466 __u32 pio;
467 };
468};
469
470struct kvm_coalesced_mmio {
471 __u64 phys_addr;
472 __u32 len;
473 union {
474 __u32 pad;
475 __u32 pio;
476 };
477 __u8 data[8];
478};
479
480struct kvm_coalesced_mmio_ring {
481 __u32 first, last;
482 struct kvm_coalesced_mmio coalesced_mmio[];
483};
484
485#define KVM_COALESCED_MMIO_MAX \
486 ((PAGE_SIZE - sizeof(struct kvm_coalesced_mmio_ring)) / \
487 sizeof(struct kvm_coalesced_mmio))
488
489/* for KVM_TRANSLATE */
490struct kvm_translation {
491 /* in */
492 __u64 linear_address;
493
494 /* out */
495 __u64 physical_address;
496 __u8 valid;
497 __u8 writeable;
498 __u8 usermode;
499 __u8 pad[5];
500};
501
502/* for KVM_INTERRUPT */
503struct kvm_interrupt {
504 /* in */
505 __u32 irq;
506};
507
508/* for KVM_GET_DIRTY_LOG */
509struct kvm_dirty_log {
510 __u32 slot;
511 __u32 padding1;
512 union {
513 void __user *dirty_bitmap; /* one bit per page */
514 __u64 padding2;
515 };
516};
517
518/* for KVM_CLEAR_DIRTY_LOG */
519struct kvm_clear_dirty_log {
520 __u32 slot;
521 __u32 num_pages;
522 __u64 first_page;
523 union {
524 void __user *dirty_bitmap; /* one bit per page */
525 __u64 padding2;
526 };
527};
528
529/* for KVM_SET_SIGNAL_MASK */
530struct kvm_signal_mask {
531 __u32 len;
532 __u8 sigset[];
533};
534
535/* for KVM_TPR_ACCESS_REPORTING */
536struct kvm_tpr_access_ctl {
537 __u32 enabled;
538 __u32 flags;
539 __u32 reserved[8];
540};
541
542/* for KVM_SET_VAPIC_ADDR */
543struct kvm_vapic_addr {
544 __u64 vapic_addr;
545};
546
547/* for KVM_SET_MP_STATE */
548
549/* not all states are valid on all architectures */
550#define KVM_MP_STATE_RUNNABLE 0
551#define KVM_MP_STATE_UNINITIALIZED 1
552#define KVM_MP_STATE_INIT_RECEIVED 2
553#define KVM_MP_STATE_HALTED 3
554#define KVM_MP_STATE_SIPI_RECEIVED 4
555#define KVM_MP_STATE_STOPPED 5
556#define KVM_MP_STATE_CHECK_STOP 6
557#define KVM_MP_STATE_OPERATING 7
558#define KVM_MP_STATE_LOAD 8
559#define KVM_MP_STATE_AP_RESET_HOLD 9
560#define KVM_MP_STATE_SUSPENDED 10
561
562struct kvm_mp_state {
563 __u32 mp_state;
564};
565
566/* for KVM_SET_GUEST_DEBUG */
567
568#define KVM_GUESTDBG_ENABLE 0x00000001
569#define KVM_GUESTDBG_SINGLESTEP 0x00000002
570
571struct kvm_guest_debug {
572 __u32 control;
573 __u32 pad;
574 struct kvm_guest_debug_arch arch;
575};
576
577enum {
578 kvm_ioeventfd_flag_nr_datamatch,
579 kvm_ioeventfd_flag_nr_pio,
580 kvm_ioeventfd_flag_nr_deassign,
581 kvm_ioeventfd_flag_nr_virtio_ccw_notify,
582 kvm_ioeventfd_flag_nr_fast_mmio,
583 kvm_ioeventfd_flag_nr_max,
584};
585
586#define KVM_IOEVENTFD_FLAG_DATAMATCH (1 << kvm_ioeventfd_flag_nr_datamatch)
587#define KVM_IOEVENTFD_FLAG_PIO (1 << kvm_ioeventfd_flag_nr_pio)
588#define KVM_IOEVENTFD_FLAG_DEASSIGN (1 << kvm_ioeventfd_flag_nr_deassign)
589#define KVM_IOEVENTFD_FLAG_VIRTIO_CCW_NOTIFY \
590 (1 << kvm_ioeventfd_flag_nr_virtio_ccw_notify)
591
592#define KVM_IOEVENTFD_VALID_FLAG_MASK ((1 << kvm_ioeventfd_flag_nr_max) - 1)
593
594struct kvm_ioeventfd {
595 __u64 datamatch;
596 __u64 addr; /* legal pio/mmio address */
597 __u32 len; /* 1, 2, 4, or 8 bytes; or 0 to ignore length */
598 __s32 fd;
599 __u32 flags;
600 __u8 pad[36];
601};
602
603#define KVM_X86_DISABLE_EXITS_MWAIT (1 << 0)
604#define KVM_X86_DISABLE_EXITS_HLT (1 << 1)
605#define KVM_X86_DISABLE_EXITS_PAUSE (1 << 2)
606#define KVM_X86_DISABLE_EXITS_CSTATE (1 << 3)
607#define KVM_X86_DISABLE_VALID_EXITS (KVM_X86_DISABLE_EXITS_MWAIT | \
608 KVM_X86_DISABLE_EXITS_HLT | \
609 KVM_X86_DISABLE_EXITS_PAUSE | \
610 KVM_X86_DISABLE_EXITS_CSTATE)
611
612/* for KVM_ENABLE_CAP */
613struct kvm_enable_cap {
614 /* in */
615 __u32 cap;
616 __u32 flags;
617 __u64 args[4];
618 __u8 pad[64];
619};
620
621#define KVMIO 0xAE
622
623/* machine type bits, to be used as argument to KVM_CREATE_VM */
624#define KVM_VM_S390_UCONTROL 1
625
626/* on ppc, 0 indicate default, 1 should force HV and 2 PR */
627#define KVM_VM_PPC_HV 1
628#define KVM_VM_PPC_PR 2
629
630/* on MIPS, 0 indicates auto, 1 forces VZ ASE, 2 forces trap & emulate */
631#define KVM_VM_MIPS_AUTO 0
632#define KVM_VM_MIPS_VZ 1
633#define KVM_VM_MIPS_TE 2
634
635#define KVM_S390_SIE_PAGE_OFFSET 1
636
637/*
638 * On arm64, machine type can be used to request the physical
639 * address size for the VM. Bits[7-0] are reserved for the guest
640 * PA size shift (i.e, log2(PA_Size)). For backward compatibility,
641 * value 0 implies the default IPA size, 40bits.
642 */
643#define KVM_VM_TYPE_ARM_IPA_SIZE_MASK 0xffULL
644#define KVM_VM_TYPE_ARM_IPA_SIZE(x) \
645 ((x) & KVM_VM_TYPE_ARM_IPA_SIZE_MASK)
646/*
647 * ioctls for /dev/kvm fds:
648 */
649#define KVM_GET_API_VERSION _IO(KVMIO, 0x00)
650#define KVM_CREATE_VM _IO(KVMIO, 0x01) /* returns a VM fd */
651#define KVM_GET_MSR_INDEX_LIST _IOWR(KVMIO, 0x02, struct kvm_msr_list)
652
653#define KVM_S390_ENABLE_SIE _IO(KVMIO, 0x06)
654/*
655 * Check if a kvm extension is available. Argument is extension number,
656 * return is 1 (yes) or 0 (no, sorry).
657 */
658#define KVM_CHECK_EXTENSION _IO(KVMIO, 0x03)
659/*
660 * Get size for mmap(vcpu_fd)
661 */
662#define KVM_GET_VCPU_MMAP_SIZE _IO(KVMIO, 0x04) /* in bytes */
663#define KVM_GET_SUPPORTED_CPUID _IOWR(KVMIO, 0x05, struct kvm_cpuid2)
664#define KVM_GET_EMULATED_CPUID _IOWR(KVMIO, 0x09, struct kvm_cpuid2)
665#define KVM_GET_MSR_FEATURE_INDEX_LIST _IOWR(KVMIO, 0x0a, struct kvm_msr_list)
666
667/*
668 * Extension capability list.
669 */
670#define KVM_CAP_IRQCHIP 0
671#define KVM_CAP_HLT 1
672#define KVM_CAP_MMU_SHADOW_CACHE_CONTROL 2
673#define KVM_CAP_USER_MEMORY 3
674#define KVM_CAP_SET_TSS_ADDR 4
675#define KVM_CAP_VAPIC 6
676#define KVM_CAP_EXT_CPUID 7
677#define KVM_CAP_CLOCKSOURCE 8
678#define KVM_CAP_NR_VCPUS 9 /* returns recommended max vcpus per vm */
679#define KVM_CAP_NR_MEMSLOTS 10 /* returns max memory slots per vm */
680#define KVM_CAP_PIT 11
681#define KVM_CAP_NOP_IO_DELAY 12
682#define KVM_CAP_PV_MMU 13
683#define KVM_CAP_MP_STATE 14
684#define KVM_CAP_COALESCED_MMIO 15
685#define KVM_CAP_SYNC_MMU 16 /* Changes to host mmap are reflected in guest */
686#define KVM_CAP_IOMMU 18
687/* Bug in KVM_SET_USER_MEMORY_REGION fixed: */
688#define KVM_CAP_DESTROY_MEMORY_REGION_WORKS 21
689#define KVM_CAP_USER_NMI 22
690#define KVM_CAP_SET_GUEST_DEBUG 23
691#ifdef __KVM_HAVE_PIT
692#define KVM_CAP_REINJECT_CONTROL 24
693#endif
694#define KVM_CAP_IRQ_ROUTING 25
695#define KVM_CAP_IRQ_INJECT_STATUS 26
696#define KVM_CAP_ASSIGN_DEV_IRQ 29
697/* Another bug in KVM_SET_USER_MEMORY_REGION fixed: */
698#define KVM_CAP_JOIN_MEMORY_REGIONS_WORKS 30
699#ifdef __KVM_HAVE_MCE
700#define KVM_CAP_MCE 31
701#endif
702#define KVM_CAP_IRQFD 32
703#ifdef __KVM_HAVE_PIT
704#define KVM_CAP_PIT2 33
705#endif
706#define KVM_CAP_SET_BOOT_CPU_ID 34
707#ifdef __KVM_HAVE_PIT_STATE2
708#define KVM_CAP_PIT_STATE2 35
709#endif
710#define KVM_CAP_IOEVENTFD 36
711#define KVM_CAP_SET_IDENTITY_MAP_ADDR 37
712#ifdef __KVM_HAVE_XEN_HVM
713#define KVM_CAP_XEN_HVM 38
714#endif
715#define KVM_CAP_ADJUST_CLOCK 39
716#define KVM_CAP_INTERNAL_ERROR_DATA 40
717#ifdef __KVM_HAVE_VCPU_EVENTS
718#define KVM_CAP_VCPU_EVENTS 41
719#endif
720#define KVM_CAP_S390_PSW 42
721#define KVM_CAP_PPC_SEGSTATE 43
722#define KVM_CAP_HYPERV 44
723#define KVM_CAP_HYPERV_VAPIC 45
724#define KVM_CAP_HYPERV_SPIN 46
725#define KVM_CAP_PCI_SEGMENT 47
726#define KVM_CAP_PPC_PAIRED_SINGLES 48
727#define KVM_CAP_INTR_SHADOW 49
728#ifdef __KVM_HAVE_DEBUGREGS
729#define KVM_CAP_DEBUGREGS 50
730#endif
731#define KVM_CAP_X86_ROBUST_SINGLESTEP 51
732#define KVM_CAP_PPC_OSI 52
733#define KVM_CAP_PPC_UNSET_IRQ 53
734#define KVM_CAP_ENABLE_CAP 54
735#ifdef __KVM_HAVE_XSAVE
736#define KVM_CAP_XSAVE 55
737#endif
738#ifdef __KVM_HAVE_XCRS
739#define KVM_CAP_XCRS 56
740#endif
741#define KVM_CAP_PPC_GET_PVINFO 57
742#define KVM_CAP_PPC_IRQ_LEVEL 58
743#define KVM_CAP_ASYNC_PF 59
744#define KVM_CAP_TSC_CONTROL 60
745#define KVM_CAP_GET_TSC_KHZ 61
746#define KVM_CAP_PPC_BOOKE_SREGS 62
747#define KVM_CAP_SPAPR_TCE 63
748#define KVM_CAP_PPC_SMT 64
749#define KVM_CAP_PPC_RMA 65
750#define KVM_CAP_MAX_VCPUS 66 /* returns max vcpus per vm */
751#define KVM_CAP_PPC_HIOR 67
752#define KVM_CAP_PPC_PAPR 68
753#define KVM_CAP_SW_TLB 69
754#define KVM_CAP_ONE_REG 70
755#define KVM_CAP_S390_GMAP 71
756#define KVM_CAP_TSC_DEADLINE_TIMER 72
757#define KVM_CAP_S390_UCONTROL 73
758#define KVM_CAP_SYNC_REGS 74
759#define KVM_CAP_PCI_2_3 75
760#define KVM_CAP_KVMCLOCK_CTRL 76
761#define KVM_CAP_SIGNAL_MSI 77
762#define KVM_CAP_PPC_GET_SMMU_INFO 78
763#define KVM_CAP_S390_COW 79
764#define KVM_CAP_PPC_ALLOC_HTAB 80
765#define KVM_CAP_READONLY_MEM 81
766#define KVM_CAP_IRQFD_RESAMPLE 82
767#define KVM_CAP_PPC_BOOKE_WATCHDOG 83
768#define KVM_CAP_PPC_HTAB_FD 84
769#define KVM_CAP_S390_CSS_SUPPORT 85
770#define KVM_CAP_PPC_EPR 86
771#define KVM_CAP_ARM_PSCI 87
772#define KVM_CAP_ARM_SET_DEVICE_ADDR 88
773#define KVM_CAP_DEVICE_CTRL 89
774#define KVM_CAP_IRQ_MPIC 90
775#define KVM_CAP_PPC_RTAS 91
776#define KVM_CAP_IRQ_XICS 92
777#define KVM_CAP_ARM_EL1_32BIT 93
778#define KVM_CAP_SPAPR_MULTITCE 94
779#define KVM_CAP_EXT_EMUL_CPUID 95
780#define KVM_CAP_HYPERV_TIME 96
781#define KVM_CAP_IOAPIC_POLARITY_IGNORED 97
782#define KVM_CAP_ENABLE_CAP_VM 98
783#define KVM_CAP_S390_IRQCHIP 99
784#define KVM_CAP_IOEVENTFD_NO_LENGTH 100
785#define KVM_CAP_VM_ATTRIBUTES 101
786#define KVM_CAP_ARM_PSCI_0_2 102
787#define KVM_CAP_PPC_FIXUP_HCALL 103
788#define KVM_CAP_PPC_ENABLE_HCALL 104
789#define KVM_CAP_CHECK_EXTENSION_VM 105
790#define KVM_CAP_S390_USER_SIGP 106
791#define KVM_CAP_S390_VECTOR_REGISTERS 107
792#define KVM_CAP_S390_MEM_OP 108
793#define KVM_CAP_S390_USER_STSI 109
794#define KVM_CAP_S390_SKEYS 110
795#define KVM_CAP_MIPS_FPU 111
796#define KVM_CAP_MIPS_MSA 112
797#define KVM_CAP_S390_INJECT_IRQ 113
798#define KVM_CAP_S390_IRQ_STATE 114
799#define KVM_CAP_PPC_HWRNG 115
800#define KVM_CAP_DISABLE_QUIRKS 116
801#define KVM_CAP_X86_SMM 117
802#define KVM_CAP_MULTI_ADDRESS_SPACE 118
803#define KVM_CAP_GUEST_DEBUG_HW_BPS 119
804#define KVM_CAP_GUEST_DEBUG_HW_WPS 120
805#define KVM_CAP_SPLIT_IRQCHIP 121
806#define KVM_CAP_IOEVENTFD_ANY_LENGTH 122
807#define KVM_CAP_HYPERV_SYNIC 123
808#define KVM_CAP_S390_RI 124
809#define KVM_CAP_SPAPR_TCE_64 125
810#define KVM_CAP_ARM_PMU_V3 126
811#define KVM_CAP_VCPU_ATTRIBUTES 127
812#define KVM_CAP_MAX_VCPU_ID 128
813#define KVM_CAP_X2APIC_API 129
814#define KVM_CAP_S390_USER_INSTR0 130
815#define KVM_CAP_MSI_DEVID 131
816#define KVM_CAP_PPC_HTM 132
817#define KVM_CAP_SPAPR_RESIZE_HPT 133
818#define KVM_CAP_PPC_MMU_RADIX 134
819#define KVM_CAP_PPC_MMU_HASH_V3 135
820#define KVM_CAP_IMMEDIATE_EXIT 136
821#define KVM_CAP_MIPS_VZ 137
822#define KVM_CAP_MIPS_TE 138
823#define KVM_CAP_MIPS_64BIT 139
824#define KVM_CAP_S390_GS 140
825#define KVM_CAP_S390_AIS 141
826#define KVM_CAP_SPAPR_TCE_VFIO 142
827#define KVM_CAP_X86_DISABLE_EXITS 143
828#define KVM_CAP_ARM_USER_IRQ 144
829#define KVM_CAP_S390_CMMA_MIGRATION 145
830#define KVM_CAP_PPC_FWNMI 146
831#define KVM_CAP_PPC_SMT_POSSIBLE 147
832#define KVM_CAP_HYPERV_SYNIC2 148
833#define KVM_CAP_HYPERV_VP_INDEX 149
834#define KVM_CAP_S390_AIS_MIGRATION 150
835#define KVM_CAP_PPC_GET_CPU_CHAR 151
836#define KVM_CAP_S390_BPB 152
837#define KVM_CAP_GET_MSR_FEATURES 153
838#define KVM_CAP_HYPERV_EVENTFD 154
839#define KVM_CAP_HYPERV_TLBFLUSH 155
840#define KVM_CAP_S390_HPAGE_1M 156
841#define KVM_CAP_NESTED_STATE 157
842#define KVM_CAP_ARM_INJECT_SERROR_ESR 158
843#define KVM_CAP_MSR_PLATFORM_INFO 159
844#define KVM_CAP_PPC_NESTED_HV 160
845#define KVM_CAP_HYPERV_SEND_IPI 161
846#define KVM_CAP_COALESCED_PIO 162
847#define KVM_CAP_HYPERV_ENLIGHTENED_VMCS 163
848#define KVM_CAP_EXCEPTION_PAYLOAD 164
849#define KVM_CAP_ARM_VM_IPA_SIZE 165
850#define KVM_CAP_MANUAL_DIRTY_LOG_PROTECT 166 /* Obsolete */
851#define KVM_CAP_HYPERV_CPUID 167
852#define KVM_CAP_MANUAL_DIRTY_LOG_PROTECT2 168
853#define KVM_CAP_PPC_IRQ_XIVE 169
854#define KVM_CAP_ARM_SVE 170
855#define KVM_CAP_ARM_PTRAUTH_ADDRESS 171
856#define KVM_CAP_ARM_PTRAUTH_GENERIC 172
857#define KVM_CAP_PMU_EVENT_FILTER 173
858#define KVM_CAP_ARM_IRQ_LINE_LAYOUT_2 174
859#define KVM_CAP_HYPERV_DIRECT_TLBFLUSH 175
860#define KVM_CAP_PPC_GUEST_DEBUG_SSTEP 176
861#define KVM_CAP_ARM_NISV_TO_USER 177
862#define KVM_CAP_ARM_INJECT_EXT_DABT 178
863#define KVM_CAP_S390_VCPU_RESETS 179
864#define KVM_CAP_S390_PROTECTED 180
865#define KVM_CAP_PPC_SECURE_GUEST 181
866#define KVM_CAP_HALT_POLL 182
867#define KVM_CAP_ASYNC_PF_INT 183
868#define KVM_CAP_LAST_CPU 184
869#define KVM_CAP_SMALLER_MAXPHYADDR 185
870#define KVM_CAP_S390_DIAG318 186
871#define KVM_CAP_STEAL_TIME 187
872#define KVM_CAP_X86_USER_SPACE_MSR 188
873#define KVM_CAP_X86_MSR_FILTER 189
874#define KVM_CAP_ENFORCE_PV_FEATURE_CPUID 190
875#define KVM_CAP_SYS_HYPERV_CPUID 191
876#define KVM_CAP_DIRTY_LOG_RING 192
877#define KVM_CAP_X86_BUS_LOCK_EXIT 193
878#define KVM_CAP_PPC_DAWR1 194
879#define KVM_CAP_SET_GUEST_DEBUG2 195
880#define KVM_CAP_SGX_ATTRIBUTE 196
881#define KVM_CAP_VM_COPY_ENC_CONTEXT_FROM 197
882#define KVM_CAP_PTP_KVM 198
883#define KVM_CAP_HYPERV_ENFORCE_CPUID 199
884#define KVM_CAP_SREGS2 200
885#define KVM_CAP_EXIT_HYPERCALL 201
886#define KVM_CAP_PPC_RPT_INVALIDATE 202
887#define KVM_CAP_BINARY_STATS_FD 203
888#define KVM_CAP_EXIT_ON_EMULATION_FAILURE 204
889#define KVM_CAP_ARM_MTE 205
890#define KVM_CAP_VM_MOVE_ENC_CONTEXT_FROM 206
891#define KVM_CAP_VM_GPA_BITS 207
892#define KVM_CAP_XSAVE2 208
893#define KVM_CAP_SYS_ATTRIBUTES 209
894#define KVM_CAP_PPC_AIL_MODE_3 210
895#define KVM_CAP_S390_MEM_OP_EXTENSION 211
896#define KVM_CAP_PMU_CAPABILITY 212
897#define KVM_CAP_DISABLE_QUIRKS2 213
898#define KVM_CAP_VM_TSC_CONTROL 214
899#define KVM_CAP_SYSTEM_EVENT_DATA 215
900#define KVM_CAP_ARM_SYSTEM_SUSPEND 216
901#define KVM_CAP_S390_PROTECTED_DUMP 217
902#define KVM_CAP_X86_TRIPLE_FAULT_EVENT 218
903#define KVM_CAP_X86_NOTIFY_VMEXIT 219
904#define KVM_CAP_VM_DISABLE_NX_HUGE_PAGES 220
905#define KVM_CAP_S390_ZPCI_OP 221
906#define KVM_CAP_S390_CPU_TOPOLOGY 222
907#define KVM_CAP_DIRTY_LOG_RING_ACQ_REL 223
908#define KVM_CAP_S390_PROTECTED_ASYNC_DISABLE 224
909#define KVM_CAP_DIRTY_LOG_RING_WITH_BITMAP 225
910#define KVM_CAP_PMU_EVENT_MASKED_EVENTS 226
911#define KVM_CAP_COUNTER_OFFSET 227
912#define KVM_CAP_ARM_EAGER_SPLIT_CHUNK_SIZE 228
913#define KVM_CAP_ARM_SUPPORTED_BLOCK_SIZES 229
914#define KVM_CAP_ARM_SUPPORTED_REG_MASK_RANGES 230
915#define KVM_CAP_USER_MEMORY2 231
916#define KVM_CAP_MEMORY_FAULT_INFO 232
917#define KVM_CAP_MEMORY_ATTRIBUTES 233
918#define KVM_CAP_GUEST_MEMFD 234
919#define KVM_CAP_VM_TYPES 235
920
921struct kvm_irq_routing_irqchip {
922 __u32 irqchip;
923 __u32 pin;
924};
925
926struct kvm_irq_routing_msi {
927 __u32 address_lo;
928 __u32 address_hi;
929 __u32 data;
930 union {
931 __u32 pad;
932 __u32 devid;
933 };
934};
935
936struct kvm_irq_routing_s390_adapter {
937 __u64 ind_addr;
938 __u64 summary_addr;
939 __u64 ind_offset;
940 __u32 summary_offset;
941 __u32 adapter_id;
942};
943
944struct kvm_irq_routing_hv_sint {
945 __u32 vcpu;
946 __u32 sint;
947};
948
949struct kvm_irq_routing_xen_evtchn {
950 __u32 port;
951 __u32 vcpu;
952 __u32 priority;
953};
954
955#define KVM_IRQ_ROUTING_XEN_EVTCHN_PRIO_2LEVEL ((__u32)(-1))
956
957/* gsi routing entry types */
958#define KVM_IRQ_ROUTING_IRQCHIP 1
959#define KVM_IRQ_ROUTING_MSI 2
960#define KVM_IRQ_ROUTING_S390_ADAPTER 3
961#define KVM_IRQ_ROUTING_HV_SINT 4
962#define KVM_IRQ_ROUTING_XEN_EVTCHN 5
963
964struct kvm_irq_routing_entry {
965 __u32 gsi;
966 __u32 type;
967 __u32 flags;
968 __u32 pad;
969 union {
970 struct kvm_irq_routing_irqchip irqchip;
971 struct kvm_irq_routing_msi msi;
972 struct kvm_irq_routing_s390_adapter adapter;
973 struct kvm_irq_routing_hv_sint hv_sint;
974 struct kvm_irq_routing_xen_evtchn xen_evtchn;
975 __u32 pad[8];
976 } u;
977};
978
979struct kvm_irq_routing {
980 __u32 nr;
981 __u32 flags;
982 struct kvm_irq_routing_entry entries[];
983};
984
985#define KVM_IRQFD_FLAG_DEASSIGN (1 << 0)
986/*
987 * Available with KVM_CAP_IRQFD_RESAMPLE
988 *
989 * KVM_IRQFD_FLAG_RESAMPLE indicates resamplefd is valid and specifies
990 * the irqfd to operate in resampling mode for level triggered interrupt
991 * emulation. See Documentation/virt/kvm/api.rst.
992 */
993#define KVM_IRQFD_FLAG_RESAMPLE (1 << 1)
994
995struct kvm_irqfd {
996 __u32 fd;
997 __u32 gsi;
998 __u32 flags;
999 __u32 resamplefd;
1000 __u8 pad[16];
1001};
1002
1003/* For KVM_CAP_ADJUST_CLOCK */
1004
1005/* Do not use 1, KVM_CHECK_EXTENSION returned it before we had flags. */
1006#define KVM_CLOCK_TSC_STABLE 2
1007#define KVM_CLOCK_REALTIME (1 << 2)
1008#define KVM_CLOCK_HOST_TSC (1 << 3)
1009
1010struct kvm_clock_data {
1011 __u64 clock;
1012 __u32 flags;
1013 __u32 pad0;
1014 __u64 realtime;
1015 __u64 host_tsc;
1016 __u32 pad[4];
1017};
1018
1019/* For KVM_CAP_SW_TLB */
1020
1021#define KVM_MMU_FSL_BOOKE_NOHV 0
1022#define KVM_MMU_FSL_BOOKE_HV 1
1023
1024struct kvm_config_tlb {
1025 __u64 params;
1026 __u64 array;
1027 __u32 mmu_type;
1028 __u32 array_len;
1029};
1030
1031struct kvm_dirty_tlb {
1032 __u64 bitmap;
1033 __u32 num_dirty;
1034};
1035
1036/* Available with KVM_CAP_ONE_REG */
1037
1038#define KVM_REG_ARCH_MASK 0xff00000000000000ULL
1039#define KVM_REG_GENERIC 0x0000000000000000ULL
1040
1041/*
1042 * Architecture specific registers are to be defined in arch headers and
1043 * ORed with the arch identifier.
1044 */
1045#define KVM_REG_PPC 0x1000000000000000ULL
1046#define KVM_REG_X86 0x2000000000000000ULL
1047#define KVM_REG_IA64 0x3000000000000000ULL
1048#define KVM_REG_ARM 0x4000000000000000ULL
1049#define KVM_REG_S390 0x5000000000000000ULL
1050#define KVM_REG_ARM64 0x6000000000000000ULL
1051#define KVM_REG_MIPS 0x7000000000000000ULL
1052#define KVM_REG_RISCV 0x8000000000000000ULL
1053#define KVM_REG_LOONGARCH 0x9000000000000000ULL
1054
1055#define KVM_REG_SIZE_SHIFT 52
1056#define KVM_REG_SIZE_MASK 0x00f0000000000000ULL
1057#define KVM_REG_SIZE_U8 0x0000000000000000ULL
1058#define KVM_REG_SIZE_U16 0x0010000000000000ULL
1059#define KVM_REG_SIZE_U32 0x0020000000000000ULL
1060#define KVM_REG_SIZE_U64 0x0030000000000000ULL
1061#define KVM_REG_SIZE_U128 0x0040000000000000ULL
1062#define KVM_REG_SIZE_U256 0x0050000000000000ULL
1063#define KVM_REG_SIZE_U512 0x0060000000000000ULL
1064#define KVM_REG_SIZE_U1024 0x0070000000000000ULL
1065#define KVM_REG_SIZE_U2048 0x0080000000000000ULL
1066
1067struct kvm_reg_list {
1068 __u64 n; /* number of regs */
1069 __u64 reg[];
1070};
1071
1072struct kvm_one_reg {
1073 __u64 id;
1074 __u64 addr;
1075};
1076
1077#define KVM_MSI_VALID_DEVID (1U << 0)
1078struct kvm_msi {
1079 __u32 address_lo;
1080 __u32 address_hi;
1081 __u32 data;
1082 __u32 flags;
1083 __u32 devid;
1084 __u8 pad[12];
1085};
1086
1087struct kvm_arm_device_addr {
1088 __u64 id;
1089 __u64 addr;
1090};
1091
1092/*
1093 * Device control API, available with KVM_CAP_DEVICE_CTRL
1094 */
1095#define KVM_CREATE_DEVICE_TEST 1
1096
1097struct kvm_create_device {
1098 __u32 type; /* in: KVM_DEV_TYPE_xxx */
1099 __u32 fd; /* out: device handle */
1100 __u32 flags; /* in: KVM_CREATE_DEVICE_xxx */
1101};
1102
1103struct kvm_device_attr {
1104 __u32 flags; /* no flags currently defined */
1105 __u32 group; /* device-defined */
1106 __u64 attr; /* group-defined */
1107 __u64 addr; /* userspace address of attr data */
1108};
1109
1110#define KVM_DEV_VFIO_FILE 1
1111
1112#define KVM_DEV_VFIO_FILE_ADD 1
1113#define KVM_DEV_VFIO_FILE_DEL 2
1114
1115/* KVM_DEV_VFIO_GROUP aliases are for compile time uapi compatibility */
1116#define KVM_DEV_VFIO_GROUP KVM_DEV_VFIO_FILE
1117
1118#define KVM_DEV_VFIO_GROUP_ADD KVM_DEV_VFIO_FILE_ADD
1119#define KVM_DEV_VFIO_GROUP_DEL KVM_DEV_VFIO_FILE_DEL
1120#define KVM_DEV_VFIO_GROUP_SET_SPAPR_TCE 3
1121
1122enum kvm_device_type {
1123 KVM_DEV_TYPE_FSL_MPIC_20 = 1,
1124#define KVM_DEV_TYPE_FSL_MPIC_20 KVM_DEV_TYPE_FSL_MPIC_20
1125 KVM_DEV_TYPE_FSL_MPIC_42,
1126#define KVM_DEV_TYPE_FSL_MPIC_42 KVM_DEV_TYPE_FSL_MPIC_42
1127 KVM_DEV_TYPE_XICS,
1128#define KVM_DEV_TYPE_XICS KVM_DEV_TYPE_XICS
1129 KVM_DEV_TYPE_VFIO,
1130#define KVM_DEV_TYPE_VFIO KVM_DEV_TYPE_VFIO
1131 KVM_DEV_TYPE_ARM_VGIC_V2,
1132#define KVM_DEV_TYPE_ARM_VGIC_V2 KVM_DEV_TYPE_ARM_VGIC_V2
1133 KVM_DEV_TYPE_FLIC,
1134#define KVM_DEV_TYPE_FLIC KVM_DEV_TYPE_FLIC
1135 KVM_DEV_TYPE_ARM_VGIC_V3,
1136#define KVM_DEV_TYPE_ARM_VGIC_V3 KVM_DEV_TYPE_ARM_VGIC_V3
1137 KVM_DEV_TYPE_ARM_VGIC_ITS,
1138#define KVM_DEV_TYPE_ARM_VGIC_ITS KVM_DEV_TYPE_ARM_VGIC_ITS
1139 KVM_DEV_TYPE_XIVE,
1140#define KVM_DEV_TYPE_XIVE KVM_DEV_TYPE_XIVE
1141 KVM_DEV_TYPE_ARM_PV_TIME,
1142#define KVM_DEV_TYPE_ARM_PV_TIME KVM_DEV_TYPE_ARM_PV_TIME
1143 KVM_DEV_TYPE_RISCV_AIA,
1144#define KVM_DEV_TYPE_RISCV_AIA KVM_DEV_TYPE_RISCV_AIA
1145 KVM_DEV_TYPE_MAX,
1146};
1147
1148struct kvm_vfio_spapr_tce {
1149 __s32 groupfd;
1150 __s32 tablefd;
1151};
1152
1153/*
1154 * KVM_CREATE_VCPU receives as a parameter the vcpu slot, and returns
1155 * a vcpu fd.
1156 */
1157#define KVM_CREATE_VCPU _IO(KVMIO, 0x41)
1158#define KVM_GET_DIRTY_LOG _IOW(KVMIO, 0x42, struct kvm_dirty_log)
1159#define KVM_SET_NR_MMU_PAGES _IO(KVMIO, 0x44)
1160#define KVM_GET_NR_MMU_PAGES _IO(KVMIO, 0x45) /* deprecated */
1161#define KVM_SET_USER_MEMORY_REGION _IOW(KVMIO, 0x46, \
1162 struct kvm_userspace_memory_region)
1163#define KVM_SET_TSS_ADDR _IO(KVMIO, 0x47)
1164#define KVM_SET_IDENTITY_MAP_ADDR _IOW(KVMIO, 0x48, __u64)
1165#define KVM_SET_USER_MEMORY_REGION2 _IOW(KVMIO, 0x49, \
1166 struct kvm_userspace_memory_region2)
1167
1168/* enable ucontrol for s390 */
1169#define KVM_S390_UCAS_MAP _IOW(KVMIO, 0x50, struct kvm_s390_ucas_mapping)
1170#define KVM_S390_UCAS_UNMAP _IOW(KVMIO, 0x51, struct kvm_s390_ucas_mapping)
1171#define KVM_S390_VCPU_FAULT _IOW(KVMIO, 0x52, unsigned long)
1172
1173/* Device model IOC */
1174#define KVM_CREATE_IRQCHIP _IO(KVMIO, 0x60)
1175#define KVM_IRQ_LINE _IOW(KVMIO, 0x61, struct kvm_irq_level)
1176#define KVM_GET_IRQCHIP _IOWR(KVMIO, 0x62, struct kvm_irqchip)
1177#define KVM_SET_IRQCHIP _IOR(KVMIO, 0x63, struct kvm_irqchip)
1178#define KVM_CREATE_PIT _IO(KVMIO, 0x64)
1179#define KVM_GET_PIT _IOWR(KVMIO, 0x65, struct kvm_pit_state)
1180#define KVM_SET_PIT _IOR(KVMIO, 0x66, struct kvm_pit_state)
1181#define KVM_IRQ_LINE_STATUS _IOWR(KVMIO, 0x67, struct kvm_irq_level)
1182#define KVM_REGISTER_COALESCED_MMIO \
1183 _IOW(KVMIO, 0x67, struct kvm_coalesced_mmio_zone)
1184#define KVM_UNREGISTER_COALESCED_MMIO \
1185 _IOW(KVMIO, 0x68, struct kvm_coalesced_mmio_zone)
1186#define KVM_SET_GSI_ROUTING _IOW(KVMIO, 0x6a, struct kvm_irq_routing)
1187#define KVM_REINJECT_CONTROL _IO(KVMIO, 0x71)
1188#define KVM_IRQFD _IOW(KVMIO, 0x76, struct kvm_irqfd)
1189#define KVM_CREATE_PIT2 _IOW(KVMIO, 0x77, struct kvm_pit_config)
1190#define KVM_SET_BOOT_CPU_ID _IO(KVMIO, 0x78)
1191#define KVM_IOEVENTFD _IOW(KVMIO, 0x79, struct kvm_ioeventfd)
1192#define KVM_XEN_HVM_CONFIG _IOW(KVMIO, 0x7a, struct kvm_xen_hvm_config)
1193#define KVM_SET_CLOCK _IOW(KVMIO, 0x7b, struct kvm_clock_data)
1194#define KVM_GET_CLOCK _IOR(KVMIO, 0x7c, struct kvm_clock_data)
1195/* Available with KVM_CAP_PIT_STATE2 */
1196#define KVM_GET_PIT2 _IOR(KVMIO, 0x9f, struct kvm_pit_state2)
1197#define KVM_SET_PIT2 _IOW(KVMIO, 0xa0, struct kvm_pit_state2)
1198/* Available with KVM_CAP_PPC_GET_PVINFO */
1199#define KVM_PPC_GET_PVINFO _IOW(KVMIO, 0xa1, struct kvm_ppc_pvinfo)
1200/* Available with KVM_CAP_TSC_CONTROL for a vCPU, or with
1201* KVM_CAP_VM_TSC_CONTROL to set defaults for a VM */
1202#define KVM_SET_TSC_KHZ _IO(KVMIO, 0xa2)
1203#define KVM_GET_TSC_KHZ _IO(KVMIO, 0xa3)
1204/* Available with KVM_CAP_SIGNAL_MSI */
1205#define KVM_SIGNAL_MSI _IOW(KVMIO, 0xa5, struct kvm_msi)
1206/* Available with KVM_CAP_PPC_GET_SMMU_INFO */
1207#define KVM_PPC_GET_SMMU_INFO _IOR(KVMIO, 0xa6, struct kvm_ppc_smmu_info)
1208/* Available with KVM_CAP_PPC_ALLOC_HTAB */
1209#define KVM_PPC_ALLOCATE_HTAB _IOWR(KVMIO, 0xa7, __u32)
1210#define KVM_CREATE_SPAPR_TCE _IOW(KVMIO, 0xa8, struct kvm_create_spapr_tce)
1211#define KVM_CREATE_SPAPR_TCE_64 _IOW(KVMIO, 0xa8, \
1212 struct kvm_create_spapr_tce_64)
1213/* Available with KVM_CAP_RMA */
1214#define KVM_ALLOCATE_RMA _IOR(KVMIO, 0xa9, struct kvm_allocate_rma)
1215/* Available with KVM_CAP_PPC_HTAB_FD */
1216#define KVM_PPC_GET_HTAB_FD _IOW(KVMIO, 0xaa, struct kvm_get_htab_fd)
1217/* Available with KVM_CAP_ARM_SET_DEVICE_ADDR */
1218#define KVM_ARM_SET_DEVICE_ADDR _IOW(KVMIO, 0xab, struct kvm_arm_device_addr)
1219/* Available with KVM_CAP_PPC_RTAS */
1220#define KVM_PPC_RTAS_DEFINE_TOKEN _IOW(KVMIO, 0xac, struct kvm_rtas_token_args)
1221/* Available with KVM_CAP_SPAPR_RESIZE_HPT */
1222#define KVM_PPC_RESIZE_HPT_PREPARE _IOR(KVMIO, 0xad, struct kvm_ppc_resize_hpt)
1223#define KVM_PPC_RESIZE_HPT_COMMIT _IOR(KVMIO, 0xae, struct kvm_ppc_resize_hpt)
1224/* Available with KVM_CAP_PPC_RADIX_MMU or KVM_CAP_PPC_HASH_MMU_V3 */
1225#define KVM_PPC_CONFIGURE_V3_MMU _IOW(KVMIO, 0xaf, struct kvm_ppc_mmuv3_cfg)
1226/* Available with KVM_CAP_PPC_RADIX_MMU */
1227#define KVM_PPC_GET_RMMU_INFO _IOW(KVMIO, 0xb0, struct kvm_ppc_rmmu_info)
1228/* Available with KVM_CAP_PPC_GET_CPU_CHAR */
1229#define KVM_PPC_GET_CPU_CHAR _IOR(KVMIO, 0xb1, struct kvm_ppc_cpu_char)
1230/* Available with KVM_CAP_PMU_EVENT_FILTER */
1231#define KVM_SET_PMU_EVENT_FILTER _IOW(KVMIO, 0xb2, struct kvm_pmu_event_filter)
1232#define KVM_PPC_SVM_OFF _IO(KVMIO, 0xb3)
1233#define KVM_ARM_MTE_COPY_TAGS _IOR(KVMIO, 0xb4, struct kvm_arm_copy_mte_tags)
1234/* Available with KVM_CAP_COUNTER_OFFSET */
1235#define KVM_ARM_SET_COUNTER_OFFSET _IOW(KVMIO, 0xb5, struct kvm_arm_counter_offset)
1236#define KVM_ARM_GET_REG_WRITABLE_MASKS _IOR(KVMIO, 0xb6, struct reg_mask_range)
1237
1238/* ioctl for vm fd */
1239#define KVM_CREATE_DEVICE _IOWR(KVMIO, 0xe0, struct kvm_create_device)
1240
1241/* ioctls for fds returned by KVM_CREATE_DEVICE */
1242#define KVM_SET_DEVICE_ATTR _IOW(KVMIO, 0xe1, struct kvm_device_attr)
1243#define KVM_GET_DEVICE_ATTR _IOW(KVMIO, 0xe2, struct kvm_device_attr)
1244#define KVM_HAS_DEVICE_ATTR _IOW(KVMIO, 0xe3, struct kvm_device_attr)
1245
1246/*
1247 * ioctls for vcpu fds
1248 */
1249#define KVM_RUN _IO(KVMIO, 0x80)
1250#define KVM_GET_REGS _IOR(KVMIO, 0x81, struct kvm_regs)
1251#define KVM_SET_REGS _IOW(KVMIO, 0x82, struct kvm_regs)
1252#define KVM_GET_SREGS _IOR(KVMIO, 0x83, struct kvm_sregs)
1253#define KVM_SET_SREGS _IOW(KVMIO, 0x84, struct kvm_sregs)
1254#define KVM_TRANSLATE _IOWR(KVMIO, 0x85, struct kvm_translation)
1255#define KVM_INTERRUPT _IOW(KVMIO, 0x86, struct kvm_interrupt)
1256#define KVM_GET_MSRS _IOWR(KVMIO, 0x88, struct kvm_msrs)
1257#define KVM_SET_MSRS _IOW(KVMIO, 0x89, struct kvm_msrs)
1258#define KVM_SET_CPUID _IOW(KVMIO, 0x8a, struct kvm_cpuid)
1259#define KVM_SET_SIGNAL_MASK _IOW(KVMIO, 0x8b, struct kvm_signal_mask)
1260#define KVM_GET_FPU _IOR(KVMIO, 0x8c, struct kvm_fpu)
1261#define KVM_SET_FPU _IOW(KVMIO, 0x8d, struct kvm_fpu)
1262#define KVM_GET_LAPIC _IOR(KVMIO, 0x8e, struct kvm_lapic_state)
1263#define KVM_SET_LAPIC _IOW(KVMIO, 0x8f, struct kvm_lapic_state)
1264#define KVM_SET_CPUID2 _IOW(KVMIO, 0x90, struct kvm_cpuid2)
1265#define KVM_GET_CPUID2 _IOWR(KVMIO, 0x91, struct kvm_cpuid2)
1266/* Available with KVM_CAP_VAPIC */
1267#define KVM_TPR_ACCESS_REPORTING _IOWR(KVMIO, 0x92, struct kvm_tpr_access_ctl)
1268/* Available with KVM_CAP_VAPIC */
1269#define KVM_SET_VAPIC_ADDR _IOW(KVMIO, 0x93, struct kvm_vapic_addr)
1270/* valid for virtual machine (for floating interrupt)_and_ vcpu */
1271#define KVM_S390_INTERRUPT _IOW(KVMIO, 0x94, struct kvm_s390_interrupt)
1272/* store status for s390 */
1273#define KVM_S390_STORE_STATUS_NOADDR (-1ul)
1274#define KVM_S390_STORE_STATUS_PREFIXED (-2ul)
1275#define KVM_S390_STORE_STATUS _IOW(KVMIO, 0x95, unsigned long)
1276/* initial ipl psw for s390 */
1277#define KVM_S390_SET_INITIAL_PSW _IOW(KVMIO, 0x96, struct kvm_s390_psw)
1278/* initial reset for s390 */
1279#define KVM_S390_INITIAL_RESET _IO(KVMIO, 0x97)
1280#define KVM_GET_MP_STATE _IOR(KVMIO, 0x98, struct kvm_mp_state)
1281#define KVM_SET_MP_STATE _IOW(KVMIO, 0x99, struct kvm_mp_state)
1282/* Available with KVM_CAP_USER_NMI */
1283#define KVM_NMI _IO(KVMIO, 0x9a)
1284/* Available with KVM_CAP_SET_GUEST_DEBUG */
1285#define KVM_SET_GUEST_DEBUG _IOW(KVMIO, 0x9b, struct kvm_guest_debug)
1286/* MCE for x86 */
1287#define KVM_X86_SETUP_MCE _IOW(KVMIO, 0x9c, __u64)
1288#define KVM_X86_GET_MCE_CAP_SUPPORTED _IOR(KVMIO, 0x9d, __u64)
1289#define KVM_X86_SET_MCE _IOW(KVMIO, 0x9e, struct kvm_x86_mce)
1290/* Available with KVM_CAP_VCPU_EVENTS */
1291#define KVM_GET_VCPU_EVENTS _IOR(KVMIO, 0x9f, struct kvm_vcpu_events)
1292#define KVM_SET_VCPU_EVENTS _IOW(KVMIO, 0xa0, struct kvm_vcpu_events)
1293/* Available with KVM_CAP_DEBUGREGS */
1294#define KVM_GET_DEBUGREGS _IOR(KVMIO, 0xa1, struct kvm_debugregs)
1295#define KVM_SET_DEBUGREGS _IOW(KVMIO, 0xa2, struct kvm_debugregs)
1296/*
1297 * vcpu version available with KVM_CAP_ENABLE_CAP
1298 * vm version available with KVM_CAP_ENABLE_CAP_VM
1299 */
1300#define KVM_ENABLE_CAP _IOW(KVMIO, 0xa3, struct kvm_enable_cap)
1301/* Available with KVM_CAP_XSAVE */
1302#define KVM_GET_XSAVE _IOR(KVMIO, 0xa4, struct kvm_xsave)
1303#define KVM_SET_XSAVE _IOW(KVMIO, 0xa5, struct kvm_xsave)
1304/* Available with KVM_CAP_XCRS */
1305#define KVM_GET_XCRS _IOR(KVMIO, 0xa6, struct kvm_xcrs)
1306#define KVM_SET_XCRS _IOW(KVMIO, 0xa7, struct kvm_xcrs)
1307/* Available with KVM_CAP_SW_TLB */
1308#define KVM_DIRTY_TLB _IOW(KVMIO, 0xaa, struct kvm_dirty_tlb)
1309/* Available with KVM_CAP_ONE_REG */
1310#define KVM_GET_ONE_REG _IOW(KVMIO, 0xab, struct kvm_one_reg)
1311#define KVM_SET_ONE_REG _IOW(KVMIO, 0xac, struct kvm_one_reg)
1312/* VM is being stopped by host */
1313#define KVM_KVMCLOCK_CTRL _IO(KVMIO, 0xad)
1314#define KVM_ARM_VCPU_INIT _IOW(KVMIO, 0xae, struct kvm_vcpu_init)
1315#define KVM_ARM_PREFERRED_TARGET _IOR(KVMIO, 0xaf, struct kvm_vcpu_init)
1316#define KVM_GET_REG_LIST _IOWR(KVMIO, 0xb0, struct kvm_reg_list)
1317/* Available with KVM_CAP_S390_MEM_OP */
1318#define KVM_S390_MEM_OP _IOW(KVMIO, 0xb1, struct kvm_s390_mem_op)
1319/* Available with KVM_CAP_S390_SKEYS */
1320#define KVM_S390_GET_SKEYS _IOW(KVMIO, 0xb2, struct kvm_s390_skeys)
1321#define KVM_S390_SET_SKEYS _IOW(KVMIO, 0xb3, struct kvm_s390_skeys)
1322/* Available with KVM_CAP_S390_INJECT_IRQ */
1323#define KVM_S390_IRQ _IOW(KVMIO, 0xb4, struct kvm_s390_irq)
1324/* Available with KVM_CAP_S390_IRQ_STATE */
1325#define KVM_S390_SET_IRQ_STATE _IOW(KVMIO, 0xb5, struct kvm_s390_irq_state)
1326#define KVM_S390_GET_IRQ_STATE _IOW(KVMIO, 0xb6, struct kvm_s390_irq_state)
1327/* Available with KVM_CAP_X86_SMM */
1328#define KVM_SMI _IO(KVMIO, 0xb7)
1329/* Available with KVM_CAP_S390_CMMA_MIGRATION */
1330#define KVM_S390_GET_CMMA_BITS _IOWR(KVMIO, 0xb8, struct kvm_s390_cmma_log)
1331#define KVM_S390_SET_CMMA_BITS _IOW(KVMIO, 0xb9, struct kvm_s390_cmma_log)
1332/* Memory Encryption Commands */
1333#define KVM_MEMORY_ENCRYPT_OP _IOWR(KVMIO, 0xba, unsigned long)
1334
1335struct kvm_enc_region {
1336 __u64 addr;
1337 __u64 size;
1338};
1339
1340#define KVM_MEMORY_ENCRYPT_REG_REGION _IOR(KVMIO, 0xbb, struct kvm_enc_region)
1341#define KVM_MEMORY_ENCRYPT_UNREG_REGION _IOR(KVMIO, 0xbc, struct kvm_enc_region)
1342
1343/* Available with KVM_CAP_HYPERV_EVENTFD */
1344#define KVM_HYPERV_EVENTFD _IOW(KVMIO, 0xbd, struct kvm_hyperv_eventfd)
1345
1346/* Available with KVM_CAP_NESTED_STATE */
1347#define KVM_GET_NESTED_STATE _IOWR(KVMIO, 0xbe, struct kvm_nested_state)
1348#define KVM_SET_NESTED_STATE _IOW(KVMIO, 0xbf, struct kvm_nested_state)
1349
1350/* Available with KVM_CAP_MANUAL_DIRTY_LOG_PROTECT_2 */
1351#define KVM_CLEAR_DIRTY_LOG _IOWR(KVMIO, 0xc0, struct kvm_clear_dirty_log)
1352
1353/* Available with KVM_CAP_HYPERV_CPUID (vcpu) / KVM_CAP_SYS_HYPERV_CPUID (system) */
1354#define KVM_GET_SUPPORTED_HV_CPUID _IOWR(KVMIO, 0xc1, struct kvm_cpuid2)
1355
1356/* Available with KVM_CAP_ARM_SVE */
1357#define KVM_ARM_VCPU_FINALIZE _IOW(KVMIO, 0xc2, int)
1358
1359/* Available with KVM_CAP_S390_VCPU_RESETS */
1360#define KVM_S390_NORMAL_RESET _IO(KVMIO, 0xc3)
1361#define KVM_S390_CLEAR_RESET _IO(KVMIO, 0xc4)
1362
1363/* Available with KVM_CAP_S390_PROTECTED */
1364#define KVM_S390_PV_COMMAND _IOWR(KVMIO, 0xc5, struct kvm_pv_cmd)
1365
1366/* Available with KVM_CAP_X86_MSR_FILTER */
1367#define KVM_X86_SET_MSR_FILTER _IOW(KVMIO, 0xc6, struct kvm_msr_filter)
1368
1369/* Available with KVM_CAP_DIRTY_LOG_RING */
1370#define KVM_RESET_DIRTY_RINGS _IO(KVMIO, 0xc7)
1371
1372/* Per-VM Xen attributes */
1373#define KVM_XEN_HVM_GET_ATTR _IOWR(KVMIO, 0xc8, struct kvm_xen_hvm_attr)
1374#define KVM_XEN_HVM_SET_ATTR _IOW(KVMIO, 0xc9, struct kvm_xen_hvm_attr)
1375
1376/* Per-vCPU Xen attributes */
1377#define KVM_XEN_VCPU_GET_ATTR _IOWR(KVMIO, 0xca, struct kvm_xen_vcpu_attr)
1378#define KVM_XEN_VCPU_SET_ATTR _IOW(KVMIO, 0xcb, struct kvm_xen_vcpu_attr)
1379
1380/* Available with KVM_CAP_XEN_HVM / KVM_XEN_HVM_CONFIG_EVTCHN_SEND */
1381#define KVM_XEN_HVM_EVTCHN_SEND _IOW(KVMIO, 0xd0, struct kvm_irq_routing_xen_evtchn)
1382
1383#define KVM_GET_SREGS2 _IOR(KVMIO, 0xcc, struct kvm_sregs2)
1384#define KVM_SET_SREGS2 _IOW(KVMIO, 0xcd, struct kvm_sregs2)
1385
1386#define KVM_DIRTY_LOG_MANUAL_PROTECT_ENABLE (1 << 0)
1387#define KVM_DIRTY_LOG_INITIALLY_SET (1 << 1)
1388
1389/*
1390 * Arch needs to define the macro after implementing the dirty ring
1391 * feature. KVM_DIRTY_LOG_PAGE_OFFSET should be defined as the
1392 * starting page offset of the dirty ring structures.
1393 */
1394#ifndef KVM_DIRTY_LOG_PAGE_OFFSET
1395#define KVM_DIRTY_LOG_PAGE_OFFSET 0
1396#endif
1397
1398/*
1399 * KVM dirty GFN flags, defined as:
1400 *
1401 * |---------------+---------------+--------------|
1402 * | bit 1 (reset) | bit 0 (dirty) | Status |
1403 * |---------------+---------------+--------------|
1404 * | 0 | 0 | Invalid GFN |
1405 * | 0 | 1 | Dirty GFN |
1406 * | 1 | X | GFN to reset |
1407 * |---------------+---------------+--------------|
1408 *
1409 * Lifecycle of a dirty GFN goes like:
1410 *
1411 * dirtied harvested reset
1412 * 00 -----------> 01 -------------> 1X -------+
1413 * ^ |
1414 * | |
1415 * +------------------------------------------+
1416 *
1417 * The userspace program is only responsible for the 01->1X state
1418 * conversion after harvesting an entry. Also, it must not skip any
1419 * dirty bits, so that dirty bits are always harvested in sequence.
1420 */
1421#define KVM_DIRTY_GFN_F_DIRTY _BITUL(0)
1422#define KVM_DIRTY_GFN_F_RESET _BITUL(1)
1423#define KVM_DIRTY_GFN_F_MASK 0x3
1424
1425/*
1426 * KVM dirty rings should be mapped at KVM_DIRTY_LOG_PAGE_OFFSET of
1427 * per-vcpu mmaped regions as an array of struct kvm_dirty_gfn. The
1428 * size of the gfn buffer is decided by the first argument when
1429 * enabling KVM_CAP_DIRTY_LOG_RING.
1430 */
1431struct kvm_dirty_gfn {
1432 __u32 flags;
1433 __u32 slot;
1434 __u64 offset;
1435};
1436
1437#define KVM_BUS_LOCK_DETECTION_OFF (1 << 0)
1438#define KVM_BUS_LOCK_DETECTION_EXIT (1 << 1)
1439
1440#define KVM_PMU_CAP_DISABLE (1 << 0)
1441
1442/**
1443 * struct kvm_stats_header - Header of per vm/vcpu binary statistics data.
1444 * @flags: Some extra information for header, always 0 for now.
1445 * @name_size: The size in bytes of the memory which contains statistics
1446 * name string including trailing '\0'. The memory is allocated
1447 * at the send of statistics descriptor.
1448 * @num_desc: The number of statistics the vm or vcpu has.
1449 * @id_offset: The offset of the vm/vcpu stats' id string in the file pointed
1450 * by vm/vcpu stats fd.
1451 * @desc_offset: The offset of the vm/vcpu stats' descriptor block in the file
1452 * pointd by vm/vcpu stats fd.
1453 * @data_offset: The offset of the vm/vcpu stats' data block in the file
1454 * pointed by vm/vcpu stats fd.
1455 *
1456 * This is the header userspace needs to read from stats fd before any other
1457 * readings. It is used by userspace to discover all the information about the
1458 * vm/vcpu's binary statistics.
1459 * Userspace reads this header from the start of the vm/vcpu's stats fd.
1460 */
1461struct kvm_stats_header {
1462 __u32 flags;
1463 __u32 name_size;
1464 __u32 num_desc;
1465 __u32 id_offset;
1466 __u32 desc_offset;
1467 __u32 data_offset;
1468};
1469
1470#define KVM_STATS_TYPE_SHIFT 0
1471#define KVM_STATS_TYPE_MASK (0xF << KVM_STATS_TYPE_SHIFT)
1472#define KVM_STATS_TYPE_CUMULATIVE (0x0 << KVM_STATS_TYPE_SHIFT)
1473#define KVM_STATS_TYPE_INSTANT (0x1 << KVM_STATS_TYPE_SHIFT)
1474#define KVM_STATS_TYPE_PEAK (0x2 << KVM_STATS_TYPE_SHIFT)
1475#define KVM_STATS_TYPE_LINEAR_HIST (0x3 << KVM_STATS_TYPE_SHIFT)
1476#define KVM_STATS_TYPE_LOG_HIST (0x4 << KVM_STATS_TYPE_SHIFT)
1477#define KVM_STATS_TYPE_MAX KVM_STATS_TYPE_LOG_HIST
1478
1479#define KVM_STATS_UNIT_SHIFT 4
1480#define KVM_STATS_UNIT_MASK (0xF << KVM_STATS_UNIT_SHIFT)
1481#define KVM_STATS_UNIT_NONE (0x0 << KVM_STATS_UNIT_SHIFT)
1482#define KVM_STATS_UNIT_BYTES (0x1 << KVM_STATS_UNIT_SHIFT)
1483#define KVM_STATS_UNIT_SECONDS (0x2 << KVM_STATS_UNIT_SHIFT)
1484#define KVM_STATS_UNIT_CYCLES (0x3 << KVM_STATS_UNIT_SHIFT)
1485#define KVM_STATS_UNIT_BOOLEAN (0x4 << KVM_STATS_UNIT_SHIFT)
1486#define KVM_STATS_UNIT_MAX KVM_STATS_UNIT_BOOLEAN
1487
1488#define KVM_STATS_BASE_SHIFT 8
1489#define KVM_STATS_BASE_MASK (0xF << KVM_STATS_BASE_SHIFT)
1490#define KVM_STATS_BASE_POW10 (0x0 << KVM_STATS_BASE_SHIFT)
1491#define KVM_STATS_BASE_POW2 (0x1 << KVM_STATS_BASE_SHIFT)
1492#define KVM_STATS_BASE_MAX KVM_STATS_BASE_POW2
1493
1494/**
1495 * struct kvm_stats_desc - Descriptor of a KVM statistics.
1496 * @flags: Annotations of the stats, like type, unit, etc.
1497 * @exponent: Used together with @flags to determine the unit.
1498 * @size: The number of data items for this stats.
1499 * Every data item is of type __u64.
1500 * @offset: The offset of the stats to the start of stat structure in
1501 * structure kvm or kvm_vcpu.
1502 * @bucket_size: A parameter value used for histogram stats. It is only used
1503 * for linear histogram stats, specifying the size of the bucket;
1504 * @name: The name string for the stats. Its size is indicated by the
1505 * &kvm_stats_header->name_size.
1506 */
1507struct kvm_stats_desc {
1508 __u32 flags;
1509 __s16 exponent;
1510 __u16 size;
1511 __u32 offset;
1512 __u32 bucket_size;
1513 char name[];
1514};
1515
1516#define KVM_GET_STATS_FD _IO(KVMIO, 0xce)
1517
1518/* Available with KVM_CAP_XSAVE2 */
1519#define KVM_GET_XSAVE2 _IOR(KVMIO, 0xcf, struct kvm_xsave)
1520
1521/* Available with KVM_CAP_S390_PROTECTED_DUMP */
1522#define KVM_S390_PV_CPU_COMMAND _IOWR(KVMIO, 0xd0, struct kvm_pv_cmd)
1523
1524/* Available with KVM_CAP_X86_NOTIFY_VMEXIT */
1525#define KVM_X86_NOTIFY_VMEXIT_ENABLED (1ULL << 0)
1526#define KVM_X86_NOTIFY_VMEXIT_USER (1ULL << 1)
1527
1528/* Available with KVM_CAP_S390_ZPCI_OP */
1529#define KVM_S390_ZPCI_OP _IOW(KVMIO, 0xd1, struct kvm_s390_zpci_op)
1530
1531/* Available with KVM_CAP_MEMORY_ATTRIBUTES */
1532#define KVM_SET_MEMORY_ATTRIBUTES _IOW(KVMIO, 0xd2, struct kvm_memory_attributes)
1533
1534struct kvm_memory_attributes {
1535 __u64 address;
1536 __u64 size;
1537 __u64 attributes;
1538 __u64 flags;
1539};
1540
1541#define KVM_MEMORY_ATTRIBUTE_PRIVATE (1ULL << 3)
1542
1543#define KVM_CREATE_GUEST_MEMFD _IOWR(KVMIO, 0xd4, struct kvm_create_guest_memfd)
1544
1545struct kvm_create_guest_memfd {
1546 __u64 size;
1547 __u64 flags;
1548 __u64 reserved[6];
1549};
1550
1551#endif /* __LINUX_KVM_H */
1552

source code of linux/include/uapi/linux/kvm.h