1/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
2#ifndef __LINUX_KVM_H
3#define __LINUX_KVM_H
4
5/*
6 * Userspace interface for /dev/kvm - kernel based virtual machine
7 *
8 * Note: you must update KVM_API_VERSION if you change this interface.
9 */
10
11#include <linux/const.h>
12#include <linux/types.h>
13
14#include <linux/stddef.h>
15#include <linux/ioctl.h>
16#include <asm/kvm.h>
17
18
19#define KVM_API_VERSION 12
20
21/*
22 * Backwards-compatible definitions.
23 */
24#define __KVM_HAVE_GUEST_DEBUG
25
26/* for KVM_SET_USER_MEMORY_REGION */
27struct kvm_userspace_memory_region {
28 __u32 slot;
29 __u32 flags;
30 __u64 guest_phys_addr;
31 __u64 memory_size; /* bytes */
32 __u64 userspace_addr; /* start of the userspace allocated memory */
33};
34
35/* for KVM_SET_USER_MEMORY_REGION2 */
36struct kvm_userspace_memory_region2 {
37 __u32 slot;
38 __u32 flags;
39 __u64 guest_phys_addr;
40 __u64 memory_size;
41 __u64 userspace_addr;
42 __u64 guest_memfd_offset;
43 __u32 guest_memfd;
44 __u32 pad1;
45 __u64 pad2[14];
46};
47
48/*
49 * The bit 0 ~ bit 15 of kvm_userspace_memory_region::flags are visible for
50 * userspace, other bits are reserved for kvm internal use which are defined
51 * in include/linux/kvm_host.h.
52 */
53#define KVM_MEM_LOG_DIRTY_PAGES (1UL << 0)
54#define KVM_MEM_READONLY (1UL << 1)
55#define KVM_MEM_GUEST_MEMFD (1UL << 2)
56
57/* for KVM_IRQ_LINE */
58struct kvm_irq_level {
59 /*
60 * ACPI gsi notion of irq.
61 * For IA-64 (APIC model) IOAPIC0: irq 0-23; IOAPIC1: irq 24-47..
62 * For X86 (standard AT mode) PIC0/1: irq 0-15. IOAPIC0: 0-23..
63 * For ARM: See Documentation/virt/kvm/api.rst
64 */
65 union {
66 __u32 irq;
67 __s32 status;
68 };
69 __u32 level;
70};
71
72
73struct kvm_irqchip {
74 __u32 chip_id;
75 __u32 pad;
76 union {
77 char dummy[512]; /* reserving space */
78#ifdef __KVM_HAVE_PIT
79 struct kvm_pic_state pic;
80#endif
81#ifdef __KVM_HAVE_IOAPIC
82 struct kvm_ioapic_state ioapic;
83#endif
84 } chip;
85};
86
87/* for KVM_CREATE_PIT2 */
88struct kvm_pit_config {
89 __u32 flags;
90 __u32 pad[15];
91};
92
93#define KVM_PIT_SPEAKER_DUMMY 1
94
95struct kvm_hyperv_exit {
96#define KVM_EXIT_HYPERV_SYNIC 1
97#define KVM_EXIT_HYPERV_HCALL 2
98#define KVM_EXIT_HYPERV_SYNDBG 3
99 __u32 type;
100 __u32 pad1;
101 union {
102 struct {
103 __u32 msr;
104 __u32 pad2;
105 __u64 control;
106 __u64 evt_page;
107 __u64 msg_page;
108 } synic;
109 struct {
110 __u64 input;
111 __u64 result;
112 __u64 params[2];
113 } hcall;
114 struct {
115 __u32 msr;
116 __u32 pad2;
117 __u64 control;
118 __u64 status;
119 __u64 send_page;
120 __u64 recv_page;
121 __u64 pending_page;
122 } syndbg;
123 } u;
124};
125
126struct kvm_xen_exit {
127#define KVM_EXIT_XEN_HCALL 1
128 __u32 type;
129 union {
130 struct {
131 __u32 longmode;
132 __u32 cpl;
133 __u64 input;
134 __u64 result;
135 __u64 params[6];
136 } hcall;
137 } u;
138};
139
140struct kvm_exit_snp_req_certs {
141 __u64 gpa;
142 __u64 npages;
143 __u64 ret;
144};
145
146#define KVM_S390_GET_SKEYS_NONE 1
147#define KVM_S390_SKEYS_MAX 1048576
148
149#define KVM_EXIT_UNKNOWN 0
150#define KVM_EXIT_EXCEPTION 1
151#define KVM_EXIT_IO 2
152#define KVM_EXIT_HYPERCALL 3
153#define KVM_EXIT_DEBUG 4
154#define KVM_EXIT_HLT 5
155#define KVM_EXIT_MMIO 6
156#define KVM_EXIT_IRQ_WINDOW_OPEN 7
157#define KVM_EXIT_SHUTDOWN 8
158#define KVM_EXIT_FAIL_ENTRY 9
159#define KVM_EXIT_INTR 10
160#define KVM_EXIT_SET_TPR 11
161#define KVM_EXIT_TPR_ACCESS 12
162#define KVM_EXIT_S390_SIEIC 13
163#define KVM_EXIT_S390_RESET 14
164#define KVM_EXIT_DCR 15 /* deprecated */
165#define KVM_EXIT_NMI 16
166#define KVM_EXIT_INTERNAL_ERROR 17
167#define KVM_EXIT_OSI 18
168#define KVM_EXIT_PAPR_HCALL 19
169#define KVM_EXIT_S390_UCONTROL 20
170#define KVM_EXIT_WATCHDOG 21
171#define KVM_EXIT_S390_TSCH 22
172#define KVM_EXIT_EPR 23
173#define KVM_EXIT_SYSTEM_EVENT 24
174#define KVM_EXIT_S390_STSI 25
175#define KVM_EXIT_IOAPIC_EOI 26
176#define KVM_EXIT_HYPERV 27
177#define KVM_EXIT_ARM_NISV 28
178#define KVM_EXIT_X86_RDMSR 29
179#define KVM_EXIT_X86_WRMSR 30
180#define KVM_EXIT_DIRTY_RING_FULL 31
181#define KVM_EXIT_AP_RESET_HOLD 32
182#define KVM_EXIT_X86_BUS_LOCK 33
183#define KVM_EXIT_XEN 34
184#define KVM_EXIT_RISCV_SBI 35
185#define KVM_EXIT_RISCV_CSR 36
186#define KVM_EXIT_NOTIFY 37
187#define KVM_EXIT_LOONGARCH_IOCSR 38
188#define KVM_EXIT_MEMORY_FAULT 39
189#define KVM_EXIT_TDX 40
190#define KVM_EXIT_ARM_SEA 41
191#define KVM_EXIT_ARM_LDST64B 42
192#define KVM_EXIT_SNP_REQ_CERTS 43
193
194/* For KVM_EXIT_INTERNAL_ERROR */
195/* Emulate instruction failed. */
196#define KVM_INTERNAL_ERROR_EMULATION 1
197/* Encounter unexpected simultaneous exceptions. */
198#define KVM_INTERNAL_ERROR_SIMUL_EX 2
199/* Encounter unexpected vm-exit due to delivery event. */
200#define KVM_INTERNAL_ERROR_DELIVERY_EV 3
201/* Encounter unexpected vm-exit reason */
202#define KVM_INTERNAL_ERROR_UNEXPECTED_EXIT_REASON 4
203
204/* Flags that describe what fields in emulation_failure hold valid data. */
205#define KVM_INTERNAL_ERROR_EMULATION_FLAG_INSTRUCTION_BYTES (1ULL << 0)
206
207/*
208 * struct kvm_run can be modified by userspace at any time, so KVM must be
209 * careful to avoid TOCTOU bugs. In order to protect KVM, HINT_UNSAFE_IN_KVM()
210 * renames fields in struct kvm_run from <symbol> to <symbol>__unsafe when
211 * compiled into the kernel, ensuring that any use within KVM is obvious and
212 * gets extra scrutiny.
213 */
214#define HINT_UNSAFE_IN_KVM(_symbol) _symbol
215
216/* for KVM_RUN, returned by mmap(vcpu_fd, offset=0) */
217struct kvm_run {
218 /* in */
219 __u8 request_interrupt_window;
220 __u8 HINT_UNSAFE_IN_KVM(immediate_exit);
221 __u8 padding1[6];
222
223 /* out */
224 __u32 exit_reason;
225 __u8 ready_for_interrupt_injection;
226 __u8 if_flag;
227 __u16 flags;
228
229 /* in (pre_kvm_run), out (post_kvm_run) */
230 __u64 cr8;
231 __u64 apic_base;
232
233#ifdef __KVM_S390
234 /* the processor status word for s390 */
235 __u64 psw_mask; /* psw upper half */
236 __u64 psw_addr; /* psw lower half */
237#endif
238 union {
239 /* KVM_EXIT_UNKNOWN */
240 struct {
241 __u64 hardware_exit_reason;
242 } hw;
243 /* KVM_EXIT_FAIL_ENTRY */
244 struct {
245 __u64 hardware_entry_failure_reason;
246 __u32 cpu;
247 } fail_entry;
248 /* KVM_EXIT_EXCEPTION */
249 struct {
250 __u32 exception;
251 __u32 error_code;
252 } ex;
253 /* KVM_EXIT_IO */
254 struct {
255#define KVM_EXIT_IO_IN 0
256#define KVM_EXIT_IO_OUT 1
257 __u8 direction;
258 __u8 size; /* bytes */
259 __u16 port;
260 __u32 count;
261 __u64 data_offset; /* relative to kvm_run start */
262 } io;
263 /* KVM_EXIT_DEBUG */
264 struct {
265 struct kvm_debug_exit_arch arch;
266 } debug;
267 /* KVM_EXIT_MMIO */
268 struct {
269 __u64 phys_addr;
270 __u8 data[8];
271 __u32 len;
272 __u8 is_write;
273 } mmio;
274 /* KVM_EXIT_LOONGARCH_IOCSR */
275 struct {
276 __u64 phys_addr;
277 __u8 data[8];
278 __u32 len;
279 __u8 is_write;
280 } iocsr_io;
281 /* KVM_EXIT_HYPERCALL */
282 struct {
283 __u64 nr;
284 __u64 args[6];
285 __u64 ret;
286
287 union {
288 __u32 longmode;
289 __u64 flags;
290 };
291 } hypercall;
292 /* KVM_EXIT_TPR_ACCESS */
293 struct {
294 __u64 rip;
295 __u32 is_write;
296 __u32 pad;
297 } tpr_access;
298 /* KVM_EXIT_S390_SIEIC */
299 struct {
300 __u8 icptcode;
301 __u16 ipa;
302 __u32 ipb;
303 } s390_sieic;
304 /* KVM_EXIT_S390_RESET */
305 __u64 s390_reset_flags;
306 /* KVM_EXIT_S390_UCONTROL */
307 struct {
308 __u64 trans_exc_code;
309 __u32 pgm_code;
310 } s390_ucontrol;
311 /* KVM_EXIT_DCR (deprecated) */
312 struct {
313 __u32 dcrn;
314 __u32 data;
315 __u8 is_write;
316 } dcr;
317 /* KVM_EXIT_INTERNAL_ERROR */
318 struct {
319 __u32 suberror;
320 /* Available with KVM_CAP_INTERNAL_ERROR_DATA: */
321 __u32 ndata;
322 __u64 data[16];
323 } internal;
324 /*
325 * KVM_INTERNAL_ERROR_EMULATION
326 *
327 * "struct emulation_failure" is an overlay of "struct internal"
328 * that is used for the KVM_INTERNAL_ERROR_EMULATION sub-type of
329 * KVM_EXIT_INTERNAL_ERROR. Note, unlike other internal error
330 * sub-types, this struct is ABI! It also needs to be backwards
331 * compatible with "struct internal". Take special care that
332 * "ndata" is correct, that new fields are enumerated in "flags",
333 * and that each flag enumerates fields that are 64-bit aligned
334 * and sized (so that ndata+internal.data[] is valid/accurate).
335 *
336 * Space beyond the defined fields may be used to store arbitrary
337 * debug information relating to the emulation failure. It is
338 * accounted for in "ndata" but the format is unspecified and is
339 * not represented in "flags". Any such information is *not* ABI!
340 */
341 struct {
342 __u32 suberror;
343 __u32 ndata;
344 __u64 flags;
345 union {
346 struct {
347 __u8 insn_size;
348 __u8 insn_bytes[15];
349 };
350 };
351 /* Arbitrary debug data may follow. */
352 } emulation_failure;
353 /* KVM_EXIT_OSI */
354 struct {
355 __u64 gprs[32];
356 } osi;
357 /* KVM_EXIT_PAPR_HCALL */
358 struct {
359 __u64 nr;
360 __u64 ret;
361 __u64 args[9];
362 } papr_hcall;
363 /* KVM_EXIT_S390_TSCH */
364 struct {
365 __u16 subchannel_id;
366 __u16 subchannel_nr;
367 __u32 io_int_parm;
368 __u32 io_int_word;
369 __u32 ipb;
370 __u8 dequeued;
371 } s390_tsch;
372 /* KVM_EXIT_EPR */
373 struct {
374 __u32 epr;
375 } epr;
376 /* KVM_EXIT_SYSTEM_EVENT */
377 struct {
378#define KVM_SYSTEM_EVENT_SHUTDOWN 1
379#define KVM_SYSTEM_EVENT_RESET 2
380#define KVM_SYSTEM_EVENT_CRASH 3
381#define KVM_SYSTEM_EVENT_WAKEUP 4
382#define KVM_SYSTEM_EVENT_SUSPEND 5
383#define KVM_SYSTEM_EVENT_SEV_TERM 6
384#define KVM_SYSTEM_EVENT_TDX_FATAL 7
385 __u32 type;
386 __u32 ndata;
387 union {
388 __u64 flags;
389 __u64 data[16];
390 };
391 } system_event;
392 /* KVM_EXIT_S390_STSI */
393 struct {
394 __u64 addr;
395 __u8 ar;
396 __u8 reserved;
397 __u8 fc;
398 __u8 sel1;
399 __u16 sel2;
400 } s390_stsi;
401 /* KVM_EXIT_IOAPIC_EOI */
402 struct {
403 __u8 vector;
404 } eoi;
405 /* KVM_EXIT_HYPERV */
406 struct kvm_hyperv_exit hyperv;
407 /* KVM_EXIT_ARM_NISV / KVM_EXIT_ARM_LDST64B */
408 struct {
409 __u64 esr_iss;
410 __u64 fault_ipa;
411 } arm_nisv;
412 /* KVM_EXIT_X86_RDMSR / KVM_EXIT_X86_WRMSR */
413 struct {
414 __u8 error; /* user -> kernel */
415 __u8 pad[7];
416#define KVM_MSR_EXIT_REASON_INVAL (1 << 0)
417#define KVM_MSR_EXIT_REASON_UNKNOWN (1 << 1)
418#define KVM_MSR_EXIT_REASON_FILTER (1 << 2)
419#define KVM_MSR_EXIT_REASON_VALID_MASK (KVM_MSR_EXIT_REASON_INVAL | \
420 KVM_MSR_EXIT_REASON_UNKNOWN | \
421 KVM_MSR_EXIT_REASON_FILTER)
422 __u32 reason; /* kernel -> user */
423 __u32 index; /* kernel -> user */
424 __u64 data; /* kernel <-> user */
425 } msr;
426 /* KVM_EXIT_XEN */
427 struct kvm_xen_exit xen;
428 /* KVM_EXIT_RISCV_SBI */
429 struct {
430 unsigned long extension_id;
431 unsigned long function_id;
432 unsigned long args[6];
433 unsigned long ret[2];
434 } riscv_sbi;
435 /* KVM_EXIT_RISCV_CSR */
436 struct {
437 unsigned long csr_num;
438 unsigned long new_value;
439 unsigned long write_mask;
440 unsigned long ret_value;
441 } riscv_csr;
442 /* KVM_EXIT_NOTIFY */
443 struct {
444#define KVM_NOTIFY_CONTEXT_INVALID (1 << 0)
445 __u32 flags;
446 } notify;
447 /* KVM_EXIT_MEMORY_FAULT */
448 struct {
449#define KVM_MEMORY_EXIT_FLAG_PRIVATE (1ULL << 3)
450 __u64 flags;
451 __u64 gpa;
452 __u64 size;
453 } memory_fault;
454 /* KVM_EXIT_TDX */
455 struct {
456 __u64 flags;
457 __u64 nr;
458 union {
459 struct {
460 __u64 ret;
461 __u64 data[5];
462 } unknown;
463 struct {
464 __u64 ret;
465 __u64 gpa;
466 __u64 size;
467 } get_quote;
468 struct {
469 __u64 ret;
470 __u64 leaf;
471 __u64 r11, r12, r13, r14;
472 } get_tdvmcall_info;
473 struct {
474 __u64 ret;
475 __u64 vector;
476 } setup_event_notify;
477 };
478 } tdx;
479 /* KVM_EXIT_ARM_SEA */
480 struct {
481#define KVM_EXIT_ARM_SEA_FLAG_GPA_VALID (1ULL << 0)
482 __u64 flags;
483 __u64 esr;
484 __u64 gva;
485 __u64 gpa;
486 } arm_sea;
487 /* KVM_EXIT_SNP_REQ_CERTS */
488 struct kvm_exit_snp_req_certs snp_req_certs;
489 /* Fix the size of the union. */
490 char padding[256];
491 };
492
493 /* 2048 is the size of the char array used to bound/pad the size
494 * of the union that holds sync regs.
495 */
496 #define SYNC_REGS_SIZE_BYTES 2048
497 /*
498 * shared registers between kvm and userspace.
499 * kvm_valid_regs specifies the register classes set by the host
500 * kvm_dirty_regs specified the register classes dirtied by userspace
501 * struct kvm_sync_regs is architecture specific, as well as the
502 * bits for kvm_valid_regs and kvm_dirty_regs
503 */
504 __u64 kvm_valid_regs;
505 __u64 kvm_dirty_regs;
506 union {
507 struct kvm_sync_regs regs;
508 char padding[SYNC_REGS_SIZE_BYTES];
509 } s;
510};
511
512/* for KVM_REGISTER_COALESCED_MMIO / KVM_UNREGISTER_COALESCED_MMIO */
513
514struct kvm_coalesced_mmio_zone {
515 __u64 addr;
516 __u32 size;
517 union {
518 __u32 pad;
519 __u32 pio;
520 };
521};
522
523struct kvm_coalesced_mmio {
524 __u64 phys_addr;
525 __u32 len;
526 union {
527 __u32 pad;
528 __u32 pio;
529 };
530 __u8 data[8];
531};
532
533struct kvm_coalesced_mmio_ring {
534 __u32 first, last;
535 __DECLARE_FLEX_ARRAY(struct kvm_coalesced_mmio, coalesced_mmio);
536};
537
538#define KVM_COALESCED_MMIO_MAX \
539 ((PAGE_SIZE - sizeof(struct kvm_coalesced_mmio_ring)) / \
540 sizeof(struct kvm_coalesced_mmio))
541
542/* for KVM_TRANSLATE */
543struct kvm_translation {
544 /* in */
545 __u64 linear_address;
546
547 /* out */
548 __u64 physical_address;
549 __u8 valid;
550 __u8 writeable;
551 __u8 usermode;
552 __u8 pad[5];
553};
554
555/* for KVM_INTERRUPT */
556struct kvm_interrupt {
557 /* in */
558 __u32 irq;
559};
560
561/* for KVM_GET_DIRTY_LOG */
562struct kvm_dirty_log {
563 __u32 slot;
564 __u32 padding1;
565 union {
566 void *dirty_bitmap; /* one bit per page */
567 __u64 padding2;
568 };
569};
570
571/* for KVM_CLEAR_DIRTY_LOG */
572struct kvm_clear_dirty_log {
573 __u32 slot;
574 __u32 num_pages;
575 __u64 first_page;
576 union {
577 void *dirty_bitmap; /* one bit per page */
578 __u64 padding2;
579 };
580};
581
582/* for KVM_SET_SIGNAL_MASK */
583struct kvm_signal_mask {
584 __u32 len;
585 __DECLARE_FLEX_ARRAY(__u8, sigset);
586};
587
588/* for KVM_TPR_ACCESS_REPORTING */
589struct kvm_tpr_access_ctl {
590 __u32 enabled;
591 __u32 flags;
592 __u32 reserved[8];
593};
594
595/* for KVM_SET_VAPIC_ADDR */
596struct kvm_vapic_addr {
597 __u64 vapic_addr;
598};
599
600/* for KVM_SET_MP_STATE */
601
602/* not all states are valid on all architectures */
603#define KVM_MP_STATE_RUNNABLE 0
604#define KVM_MP_STATE_UNINITIALIZED 1
605#define KVM_MP_STATE_INIT_RECEIVED 2
606#define KVM_MP_STATE_HALTED 3
607#define KVM_MP_STATE_SIPI_RECEIVED 4
608#define KVM_MP_STATE_STOPPED 5
609#define KVM_MP_STATE_CHECK_STOP 6
610#define KVM_MP_STATE_OPERATING 7
611#define KVM_MP_STATE_LOAD 8
612#define KVM_MP_STATE_AP_RESET_HOLD 9
613#define KVM_MP_STATE_SUSPENDED 10
614
615struct kvm_mp_state {
616 __u32 mp_state;
617};
618
619/* for KVM_SET_GUEST_DEBUG */
620
621#define KVM_GUESTDBG_ENABLE 0x00000001
622#define KVM_GUESTDBG_SINGLESTEP 0x00000002
623
624struct kvm_guest_debug {
625 __u32 control;
626 __u32 pad;
627 struct kvm_guest_debug_arch arch;
628};
629
630enum {
631 kvm_ioeventfd_flag_nr_datamatch,
632 kvm_ioeventfd_flag_nr_pio,
633 kvm_ioeventfd_flag_nr_deassign,
634 kvm_ioeventfd_flag_nr_virtio_ccw_notify,
635 kvm_ioeventfd_flag_nr_fast_mmio,
636 kvm_ioeventfd_flag_nr_max,
637};
638
639#define KVM_IOEVENTFD_FLAG_DATAMATCH (1 << kvm_ioeventfd_flag_nr_datamatch)
640#define KVM_IOEVENTFD_FLAG_PIO (1 << kvm_ioeventfd_flag_nr_pio)
641#define KVM_IOEVENTFD_FLAG_DEASSIGN (1 << kvm_ioeventfd_flag_nr_deassign)
642#define KVM_IOEVENTFD_FLAG_VIRTIO_CCW_NOTIFY \
643 (1 << kvm_ioeventfd_flag_nr_virtio_ccw_notify)
644
645#define KVM_IOEVENTFD_VALID_FLAG_MASK ((1 << kvm_ioeventfd_flag_nr_max) - 1)
646
647struct kvm_ioeventfd {
648 __u64 datamatch;
649 __u64 addr; /* legal pio/mmio address */
650 __u32 len; /* 1, 2, 4, or 8 bytes; or 0 to ignore length */
651 __s32 fd;
652 __u32 flags;
653 __u8 pad[36];
654};
655
656#define KVM_X86_DISABLE_EXITS_MWAIT (1 << 0)
657#define KVM_X86_DISABLE_EXITS_HLT (1 << 1)
658#define KVM_X86_DISABLE_EXITS_PAUSE (1 << 2)
659#define KVM_X86_DISABLE_EXITS_CSTATE (1 << 3)
660#define KVM_X86_DISABLE_EXITS_APERFMPERF (1 << 4)
661
662/* for KVM_ENABLE_CAP */
663struct kvm_enable_cap {
664 /* in */
665 __u32 cap;
666 __u32 flags;
667 __u64 args[4];
668 __u8 pad[64];
669};
670
671#define KVMIO 0xAE
672
673/* machine type bits, to be used as argument to KVM_CREATE_VM */
674#define KVM_VM_S390_UCONTROL 1
675
676/* on ppc, 0 indicate default, 1 should force HV and 2 PR */
677#define KVM_VM_PPC_HV 1
678#define KVM_VM_PPC_PR 2
679
680/* on MIPS, 0 indicates auto, 1 forces VZ ASE, 2 forces trap & emulate */
681#define KVM_VM_MIPS_AUTO 0
682#define KVM_VM_MIPS_VZ 1
683#define KVM_VM_MIPS_TE 2
684
685#define KVM_S390_SIE_PAGE_OFFSET 1
686
687/*
688 * On arm64, machine type can be used to request the physical
689 * address size for the VM. Bits[7-0] are reserved for the guest
690 * PA size shift (i.e, log2(PA_Size)). For backward compatibility,
691 * value 0 implies the default IPA size, 40bits.
692 */
693#define KVM_VM_TYPE_ARM_IPA_SIZE_MASK 0xffULL
694#define KVM_VM_TYPE_ARM_IPA_SIZE(x) \
695 ((x) & KVM_VM_TYPE_ARM_IPA_SIZE_MASK)
696
697#define KVM_VM_TYPE_ARM_PROTECTED (1UL << 31)
698#define KVM_VM_TYPE_ARM_MASK (KVM_VM_TYPE_ARM_IPA_SIZE_MASK | \
699 KVM_VM_TYPE_ARM_PROTECTED)
700
701/*
702 * ioctls for /dev/kvm fds:
703 */
704#define KVM_GET_API_VERSION _IO(KVMIO, 0x00)
705#define KVM_CREATE_VM _IO(KVMIO, 0x01) /* returns a VM fd */
706#define KVM_GET_MSR_INDEX_LIST _IOWR(KVMIO, 0x02, struct kvm_msr_list)
707
708#define KVM_S390_ENABLE_SIE _IO(KVMIO, 0x06)
709/*
710 * Check if a kvm extension is available. Argument is extension number,
711 * return is 1 (yes) or 0 (no, sorry).
712 */
713#define KVM_CHECK_EXTENSION _IO(KVMIO, 0x03)
714/*
715 * Get size for mmap(vcpu_fd)
716 */
717#define KVM_GET_VCPU_MMAP_SIZE _IO(KVMIO, 0x04) /* in bytes */
718#define KVM_GET_SUPPORTED_CPUID _IOWR(KVMIO, 0x05, struct kvm_cpuid2)
719#define KVM_GET_EMULATED_CPUID _IOWR(KVMIO, 0x09, struct kvm_cpuid2)
720#define KVM_GET_MSR_FEATURE_INDEX_LIST _IOWR(KVMIO, 0x0a, struct kvm_msr_list)
721
722/*
723 * Extension capability list.
724 */
725#define KVM_CAP_IRQCHIP 0
726#define KVM_CAP_HLT 1
727#define KVM_CAP_MMU_SHADOW_CACHE_CONTROL 2
728#define KVM_CAP_USER_MEMORY 3
729#define KVM_CAP_SET_TSS_ADDR 4
730#define KVM_CAP_VAPIC 6
731#define KVM_CAP_EXT_CPUID 7
732#define KVM_CAP_CLOCKSOURCE 8
733#define KVM_CAP_NR_VCPUS 9 /* returns recommended max vcpus per vm */
734#define KVM_CAP_NR_MEMSLOTS 10 /* returns max memory slots per vm */
735#define KVM_CAP_PIT 11
736#define KVM_CAP_NOP_IO_DELAY 12
737#define KVM_CAP_PV_MMU 13
738#define KVM_CAP_MP_STATE 14
739#define KVM_CAP_COALESCED_MMIO 15
740#define KVM_CAP_SYNC_MMU 16 /* Changes to host mmap are reflected in guest */
741#define KVM_CAP_IOMMU 18
742/* Bug in KVM_SET_USER_MEMORY_REGION fixed: */
743#define KVM_CAP_DESTROY_MEMORY_REGION_WORKS 21
744#define KVM_CAP_USER_NMI 22
745#define KVM_CAP_SET_GUEST_DEBUG 23
746#ifdef __KVM_HAVE_PIT
747#define KVM_CAP_REINJECT_CONTROL 24
748#endif
749#define KVM_CAP_IRQ_ROUTING 25
750#define KVM_CAP_IRQ_INJECT_STATUS 26
751#define KVM_CAP_ASSIGN_DEV_IRQ 29
752/* Another bug in KVM_SET_USER_MEMORY_REGION fixed: */
753#define KVM_CAP_JOIN_MEMORY_REGIONS_WORKS 30
754#ifdef __KVM_HAVE_MCE
755#define KVM_CAP_MCE 31
756#endif
757#define KVM_CAP_IRQFD 32
758#ifdef __KVM_HAVE_PIT
759#define KVM_CAP_PIT2 33
760#endif
761#define KVM_CAP_SET_BOOT_CPU_ID 34
762#ifdef __KVM_HAVE_PIT_STATE2
763#define KVM_CAP_PIT_STATE2 35
764#endif
765#define KVM_CAP_IOEVENTFD 36
766#define KVM_CAP_SET_IDENTITY_MAP_ADDR 37
767#ifdef __KVM_HAVE_XEN_HVM
768#define KVM_CAP_XEN_HVM 38
769#endif
770#define KVM_CAP_ADJUST_CLOCK 39
771#define KVM_CAP_INTERNAL_ERROR_DATA 40
772#ifdef __KVM_HAVE_VCPU_EVENTS
773#define KVM_CAP_VCPU_EVENTS 41
774#endif
775#define KVM_CAP_S390_PSW 42
776#define KVM_CAP_PPC_SEGSTATE 43
777#define KVM_CAP_HYPERV 44
778#define KVM_CAP_HYPERV_VAPIC 45
779#define KVM_CAP_HYPERV_SPIN 46
780#define KVM_CAP_PCI_SEGMENT 47
781#define KVM_CAP_PPC_PAIRED_SINGLES 48
782#define KVM_CAP_INTR_SHADOW 49
783#ifdef __KVM_HAVE_DEBUGREGS
784#define KVM_CAP_DEBUGREGS 50
785#endif
786#define KVM_CAP_X86_ROBUST_SINGLESTEP 51
787#define KVM_CAP_PPC_OSI 52
788#define KVM_CAP_PPC_UNSET_IRQ 53
789#define KVM_CAP_ENABLE_CAP 54
790#ifdef __KVM_HAVE_XSAVE
791#define KVM_CAP_XSAVE 55
792#endif
793#ifdef __KVM_HAVE_XCRS
794#define KVM_CAP_XCRS 56
795#endif
796#define KVM_CAP_PPC_GET_PVINFO 57
797#define KVM_CAP_PPC_IRQ_LEVEL 58
798#define KVM_CAP_ASYNC_PF 59
799#define KVM_CAP_TSC_CONTROL 60
800#define KVM_CAP_GET_TSC_KHZ 61
801#define KVM_CAP_PPC_BOOKE_SREGS 62
802#define KVM_CAP_SPAPR_TCE 63
803#define KVM_CAP_PPC_SMT 64
804#define KVM_CAP_PPC_RMA 65
805#define KVM_CAP_MAX_VCPUS 66 /* returns max vcpus per vm */
806#define KVM_CAP_PPC_HIOR 67
807#define KVM_CAP_PPC_PAPR 68
808#define KVM_CAP_SW_TLB 69
809#define KVM_CAP_ONE_REG 70
810#define KVM_CAP_S390_GMAP 71
811#define KVM_CAP_TSC_DEADLINE_TIMER 72
812#define KVM_CAP_S390_UCONTROL 73
813#define KVM_CAP_SYNC_REGS 74
814#define KVM_CAP_PCI_2_3 75
815#define KVM_CAP_KVMCLOCK_CTRL 76
816#define KVM_CAP_SIGNAL_MSI 77
817#define KVM_CAP_PPC_GET_SMMU_INFO 78
818#define KVM_CAP_S390_COW 79
819#define KVM_CAP_PPC_ALLOC_HTAB 80
820#define KVM_CAP_READONLY_MEM 81
821#define KVM_CAP_IRQFD_RESAMPLE 82
822#define KVM_CAP_PPC_BOOKE_WATCHDOG 83
823#define KVM_CAP_PPC_HTAB_FD 84
824#define KVM_CAP_S390_CSS_SUPPORT 85
825#define KVM_CAP_PPC_EPR 86
826#define KVM_CAP_ARM_PSCI 87
827#define KVM_CAP_ARM_SET_DEVICE_ADDR 88
828#define KVM_CAP_DEVICE_CTRL 89
829#define KVM_CAP_IRQ_MPIC 90
830#define KVM_CAP_PPC_RTAS 91
831#define KVM_CAP_IRQ_XICS 92
832#define KVM_CAP_ARM_EL1_32BIT 93
833#define KVM_CAP_SPAPR_MULTITCE 94
834#define KVM_CAP_EXT_EMUL_CPUID 95
835#define KVM_CAP_HYPERV_TIME 96
836#define KVM_CAP_IOAPIC_POLARITY_IGNORED 97
837#define KVM_CAP_ENABLE_CAP_VM 98
838#define KVM_CAP_S390_IRQCHIP 99
839#define KVM_CAP_IOEVENTFD_NO_LENGTH 100
840#define KVM_CAP_VM_ATTRIBUTES 101
841#define KVM_CAP_ARM_PSCI_0_2 102
842#define KVM_CAP_PPC_FIXUP_HCALL 103
843#define KVM_CAP_PPC_ENABLE_HCALL 104
844#define KVM_CAP_CHECK_EXTENSION_VM 105
845#define KVM_CAP_S390_USER_SIGP 106
846#define KVM_CAP_S390_VECTOR_REGISTERS 107
847#define KVM_CAP_S390_MEM_OP 108
848#define KVM_CAP_S390_USER_STSI 109
849#define KVM_CAP_S390_SKEYS 110
850#define KVM_CAP_MIPS_FPU 111
851#define KVM_CAP_MIPS_MSA 112
852#define KVM_CAP_S390_INJECT_IRQ 113
853#define KVM_CAP_S390_IRQ_STATE 114
854#define KVM_CAP_PPC_HWRNG 115
855#define KVM_CAP_DISABLE_QUIRKS 116
856#define KVM_CAP_X86_SMM 117
857#define KVM_CAP_MULTI_ADDRESS_SPACE 118
858#define KVM_CAP_GUEST_DEBUG_HW_BPS 119
859#define KVM_CAP_GUEST_DEBUG_HW_WPS 120
860#define KVM_CAP_SPLIT_IRQCHIP 121
861#define KVM_CAP_IOEVENTFD_ANY_LENGTH 122
862#define KVM_CAP_HYPERV_SYNIC 123
863#define KVM_CAP_S390_RI 124
864#define KVM_CAP_SPAPR_TCE_64 125
865#define KVM_CAP_ARM_PMU_V3 126
866#define KVM_CAP_VCPU_ATTRIBUTES 127
867#define KVM_CAP_MAX_VCPU_ID 128
868#define KVM_CAP_X2APIC_API 129
869#define KVM_CAP_S390_USER_INSTR0 130
870#define KVM_CAP_MSI_DEVID 131
871#define KVM_CAP_PPC_HTM 132
872#define KVM_CAP_SPAPR_RESIZE_HPT 133
873#define KVM_CAP_PPC_MMU_RADIX 134
874#define KVM_CAP_PPC_MMU_HASH_V3 135
875#define KVM_CAP_IMMEDIATE_EXIT 136
876#define KVM_CAP_MIPS_VZ 137
877#define KVM_CAP_MIPS_TE 138
878#define KVM_CAP_MIPS_64BIT 139
879#define KVM_CAP_S390_GS 140
880#define KVM_CAP_S390_AIS 141
881#define KVM_CAP_SPAPR_TCE_VFIO 142
882#define KVM_CAP_X86_DISABLE_EXITS 143
883#define KVM_CAP_ARM_USER_IRQ 144
884#define KVM_CAP_S390_CMMA_MIGRATION 145
885#define KVM_CAP_PPC_FWNMI 146
886#define KVM_CAP_PPC_SMT_POSSIBLE 147
887#define KVM_CAP_HYPERV_SYNIC2 148
888#define KVM_CAP_HYPERV_VP_INDEX 149
889#define KVM_CAP_S390_AIS_MIGRATION 150
890#define KVM_CAP_PPC_GET_CPU_CHAR 151
891#define KVM_CAP_S390_BPB 152
892#define KVM_CAP_GET_MSR_FEATURES 153
893#define KVM_CAP_HYPERV_EVENTFD 154
894#define KVM_CAP_HYPERV_TLBFLUSH 155
895#define KVM_CAP_S390_HPAGE_1M 156
896#define KVM_CAP_NESTED_STATE 157
897#define KVM_CAP_ARM_INJECT_SERROR_ESR 158
898#define KVM_CAP_MSR_PLATFORM_INFO 159
899#define KVM_CAP_PPC_NESTED_HV 160
900#define KVM_CAP_HYPERV_SEND_IPI 161
901#define KVM_CAP_COALESCED_PIO 162
902#define KVM_CAP_HYPERV_ENLIGHTENED_VMCS 163
903#define KVM_CAP_EXCEPTION_PAYLOAD 164
904#define KVM_CAP_ARM_VM_IPA_SIZE 165
905#define KVM_CAP_MANUAL_DIRTY_LOG_PROTECT 166 /* Obsolete */
906#define KVM_CAP_HYPERV_CPUID 167
907#define KVM_CAP_MANUAL_DIRTY_LOG_PROTECT2 168
908#define KVM_CAP_PPC_IRQ_XIVE 169
909#define KVM_CAP_ARM_SVE 170
910#define KVM_CAP_ARM_PTRAUTH_ADDRESS 171
911#define KVM_CAP_ARM_PTRAUTH_GENERIC 172
912#define KVM_CAP_PMU_EVENT_FILTER 173
913#define KVM_CAP_ARM_IRQ_LINE_LAYOUT_2 174
914#define KVM_CAP_HYPERV_DIRECT_TLBFLUSH 175
915#define KVM_CAP_PPC_GUEST_DEBUG_SSTEP 176
916#define KVM_CAP_ARM_NISV_TO_USER 177
917#define KVM_CAP_ARM_INJECT_EXT_DABT 178
918#define KVM_CAP_S390_VCPU_RESETS 179
919#define KVM_CAP_S390_PROTECTED 180
920#define KVM_CAP_PPC_SECURE_GUEST 181
921#define KVM_CAP_HALT_POLL 182
922#define KVM_CAP_ASYNC_PF_INT 183
923#define KVM_CAP_LAST_CPU 184
924#define KVM_CAP_SMALLER_MAXPHYADDR 185
925#define KVM_CAP_S390_DIAG318 186
926#define KVM_CAP_STEAL_TIME 187
927#define KVM_CAP_X86_USER_SPACE_MSR 188
928#define KVM_CAP_X86_MSR_FILTER 189
929#define KVM_CAP_ENFORCE_PV_FEATURE_CPUID 190
930#define KVM_CAP_SYS_HYPERV_CPUID 191
931#define KVM_CAP_DIRTY_LOG_RING 192
932#define KVM_CAP_X86_BUS_LOCK_EXIT 193
933#define KVM_CAP_PPC_DAWR1 194
934#define KVM_CAP_SET_GUEST_DEBUG2 195
935#define KVM_CAP_SGX_ATTRIBUTE 196
936#define KVM_CAP_VM_COPY_ENC_CONTEXT_FROM 197
937#define KVM_CAP_PTP_KVM 198
938#define KVM_CAP_HYPERV_ENFORCE_CPUID 199
939#define KVM_CAP_SREGS2 200
940#define KVM_CAP_EXIT_HYPERCALL 201
941#define KVM_CAP_PPC_RPT_INVALIDATE 202
942#define KVM_CAP_BINARY_STATS_FD 203
943#define KVM_CAP_EXIT_ON_EMULATION_FAILURE 204
944#define KVM_CAP_ARM_MTE 205
945#define KVM_CAP_VM_MOVE_ENC_CONTEXT_FROM 206
946#define KVM_CAP_VM_GPA_BITS 207
947#define KVM_CAP_XSAVE2 208
948#define KVM_CAP_SYS_ATTRIBUTES 209
949#define KVM_CAP_PPC_AIL_MODE_3 210
950#define KVM_CAP_S390_MEM_OP_EXTENSION 211
951#define KVM_CAP_PMU_CAPABILITY 212
952#define KVM_CAP_DISABLE_QUIRKS2 213
953#define KVM_CAP_VM_TSC_CONTROL 214
954#define KVM_CAP_SYSTEM_EVENT_DATA 215
955#define KVM_CAP_ARM_SYSTEM_SUSPEND 216
956#define KVM_CAP_S390_PROTECTED_DUMP 217
957#define KVM_CAP_X86_TRIPLE_FAULT_EVENT 218
958#define KVM_CAP_X86_NOTIFY_VMEXIT 219
959#define KVM_CAP_VM_DISABLE_NX_HUGE_PAGES 220
960#define KVM_CAP_S390_ZPCI_OP 221
961#define KVM_CAP_S390_CPU_TOPOLOGY 222
962#define KVM_CAP_DIRTY_LOG_RING_ACQ_REL 223
963#define KVM_CAP_S390_PROTECTED_ASYNC_DISABLE 224
964#define KVM_CAP_DIRTY_LOG_RING_WITH_BITMAP 225
965#define KVM_CAP_PMU_EVENT_MASKED_EVENTS 226
966#define KVM_CAP_COUNTER_OFFSET 227
967#define KVM_CAP_ARM_EAGER_SPLIT_CHUNK_SIZE 228
968#define KVM_CAP_ARM_SUPPORTED_BLOCK_SIZES 229
969#define KVM_CAP_ARM_SUPPORTED_REG_MASK_RANGES 230
970#define KVM_CAP_USER_MEMORY2 231
971#define KVM_CAP_MEMORY_FAULT_INFO 232
972#define KVM_CAP_MEMORY_ATTRIBUTES 233
973#define KVM_CAP_GUEST_MEMFD 234
974#define KVM_CAP_VM_TYPES 235
975#define KVM_CAP_PRE_FAULT_MEMORY 236
976#define KVM_CAP_X86_APIC_BUS_CYCLES_NS 237
977#define KVM_CAP_X86_GUEST_MODE 238
978#define KVM_CAP_ARM_WRITABLE_IMP_ID_REGS 239
979#define KVM_CAP_ARM_EL2 240
980#define KVM_CAP_ARM_EL2_E2H0 241
981#define KVM_CAP_RISCV_MP_STATE_RESET 242
982#define KVM_CAP_ARM_CACHEABLE_PFNMAP_SUPPORTED 243
983#define KVM_CAP_GUEST_MEMFD_FLAGS 244
984#define KVM_CAP_ARM_SEA_TO_USER 245
985#define KVM_CAP_S390_USER_OPEREXEC 246
986#define KVM_CAP_S390_KEYOP 247
987#define KVM_CAP_S390_VSIE_ESAMODE 248
988#define KVM_CAP_S390_HPAGE_2G 249
989
990struct kvm_irq_routing_irqchip {
991 __u32 irqchip;
992 __u32 pin;
993};
994
995struct kvm_irq_routing_msi {
996 __u32 address_lo;
997 __u32 address_hi;
998 __u32 data;
999 union {
1000 __u32 pad;
1001 __u32 devid;
1002 };
1003};
1004
1005struct kvm_irq_routing_s390_adapter {
1006 __u64 ind_addr;
1007 __u64 summary_addr;
1008 __u64 ind_offset;
1009 __u32 summary_offset;
1010 __u32 adapter_id;
1011};
1012
1013struct kvm_irq_routing_hv_sint {
1014 __u32 vcpu;
1015 __u32 sint;
1016};
1017
1018struct kvm_irq_routing_xen_evtchn {
1019 __u32 port;
1020 __u32 vcpu;
1021 __u32 priority;
1022};
1023
1024#define KVM_IRQ_ROUTING_XEN_EVTCHN_PRIO_2LEVEL ((__u32)(-1))
1025
1026/* gsi routing entry types */
1027#define KVM_IRQ_ROUTING_IRQCHIP 1
1028#define KVM_IRQ_ROUTING_MSI 2
1029#define KVM_IRQ_ROUTING_S390_ADAPTER 3
1030#define KVM_IRQ_ROUTING_HV_SINT 4
1031#define KVM_IRQ_ROUTING_XEN_EVTCHN 5
1032
1033struct kvm_irq_routing_entry {
1034 __u32 gsi;
1035 __u32 type;
1036 __u32 flags;
1037 __u32 pad;
1038 union {
1039 struct kvm_irq_routing_irqchip irqchip;
1040 struct kvm_irq_routing_msi msi;
1041 struct kvm_irq_routing_s390_adapter adapter;
1042 struct kvm_irq_routing_hv_sint hv_sint;
1043 struct kvm_irq_routing_xen_evtchn xen_evtchn;
1044 __u32 pad[8];
1045 } u;
1046};
1047
1048struct kvm_irq_routing {
1049 __u32 nr;
1050 __u32 flags;
1051 __DECLARE_FLEX_ARRAY(struct kvm_irq_routing_entry, entries);
1052};
1053
1054#define KVM_IRQFD_FLAG_DEASSIGN (1 << 0)
1055/*
1056 * Available with KVM_CAP_IRQFD_RESAMPLE
1057 *
1058 * KVM_IRQFD_FLAG_RESAMPLE indicates resamplefd is valid and specifies
1059 * the irqfd to operate in resampling mode for level triggered interrupt
1060 * emulation. See Documentation/virt/kvm/api.rst.
1061 */
1062#define KVM_IRQFD_FLAG_RESAMPLE (1 << 1)
1063
1064struct kvm_irqfd {
1065 __u32 fd;
1066 __u32 gsi;
1067 __u32 flags;
1068 __u32 resamplefd;
1069 __u8 pad[16];
1070};
1071
1072/* For KVM_CAP_ADJUST_CLOCK */
1073
1074/* Do not use 1, KVM_CHECK_EXTENSION returned it before we had flags. */
1075#define KVM_CLOCK_TSC_STABLE 2
1076#define KVM_CLOCK_REALTIME (1 << 2)
1077#define KVM_CLOCK_HOST_TSC (1 << 3)
1078
1079struct kvm_clock_data {
1080 __u64 clock;
1081 __u32 flags;
1082 __u32 pad0;
1083 __u64 realtime;
1084 __u64 host_tsc;
1085 __u32 pad[4];
1086};
1087
1088/* For KVM_CAP_SW_TLB */
1089
1090#define KVM_MMU_FSL_BOOKE_NOHV 0
1091#define KVM_MMU_FSL_BOOKE_HV 1
1092
1093struct kvm_config_tlb {
1094 __u64 params;
1095 __u64 array;
1096 __u32 mmu_type;
1097 __u32 array_len;
1098};
1099
1100struct kvm_dirty_tlb {
1101 __u64 bitmap;
1102 __u32 num_dirty;
1103};
1104
1105/* Available with KVM_CAP_ONE_REG */
1106
1107#define KVM_REG_ARCH_MASK 0xff00000000000000ULL
1108#define KVM_REG_GENERIC 0x0000000000000000ULL
1109
1110/*
1111 * Architecture specific registers are to be defined in arch headers and
1112 * ORed with the arch identifier.
1113 */
1114#define KVM_REG_PPC 0x1000000000000000ULL
1115#define KVM_REG_X86 0x2000000000000000ULL
1116#define KVM_REG_IA64 0x3000000000000000ULL
1117#define KVM_REG_ARM 0x4000000000000000ULL
1118#define KVM_REG_S390 0x5000000000000000ULL
1119#define KVM_REG_ARM64 0x6000000000000000ULL
1120#define KVM_REG_MIPS 0x7000000000000000ULL
1121#define KVM_REG_RISCV 0x8000000000000000ULL
1122#define KVM_REG_LOONGARCH 0x9000000000000000ULL
1123
1124#define KVM_REG_SIZE_SHIFT 52
1125#define KVM_REG_SIZE_MASK 0x00f0000000000000ULL
1126
1127#define KVM_REG_SIZE(id) \
1128 (1U << (((id) & KVM_REG_SIZE_MASK) >> KVM_REG_SIZE_SHIFT))
1129
1130#define KVM_REG_SIZE_U8 0x0000000000000000ULL
1131#define KVM_REG_SIZE_U16 0x0010000000000000ULL
1132#define KVM_REG_SIZE_U32 0x0020000000000000ULL
1133#define KVM_REG_SIZE_U64 0x0030000000000000ULL
1134#define KVM_REG_SIZE_U128 0x0040000000000000ULL
1135#define KVM_REG_SIZE_U256 0x0050000000000000ULL
1136#define KVM_REG_SIZE_U512 0x0060000000000000ULL
1137#define KVM_REG_SIZE_U1024 0x0070000000000000ULL
1138#define KVM_REG_SIZE_U2048 0x0080000000000000ULL
1139
1140struct kvm_reg_list {
1141 __u64 n; /* number of regs */
1142 __DECLARE_FLEX_ARRAY(__u64, reg);
1143};
1144
1145struct kvm_one_reg {
1146 __u64 id;
1147 __u64 addr;
1148};
1149
1150#define KVM_MSI_VALID_DEVID (1U << 0)
1151struct kvm_msi {
1152 __u32 address_lo;
1153 __u32 address_hi;
1154 __u32 data;
1155 __u32 flags;
1156 __u32 devid;
1157 __u8 pad[12];
1158};
1159
1160struct kvm_arm_device_addr {
1161 __u64 id;
1162 __u64 addr;
1163};
1164
1165/*
1166 * Device control API, available with KVM_CAP_DEVICE_CTRL
1167 */
1168#define KVM_CREATE_DEVICE_TEST 1
1169
1170struct kvm_create_device {
1171 __u32 type; /* in: KVM_DEV_TYPE_xxx */
1172 __u32 fd; /* out: device handle */
1173 __u32 flags; /* in: KVM_CREATE_DEVICE_xxx */
1174};
1175
1176struct kvm_device_attr {
1177 __u32 flags; /* no flags currently defined */
1178 __u32 group; /* device-defined */
1179 __u64 attr; /* group-defined */
1180 __u64 addr; /* userspace address of attr data */
1181};
1182
1183#define KVM_DEV_VFIO_FILE 1
1184
1185#define KVM_DEV_VFIO_FILE_ADD 1
1186#define KVM_DEV_VFIO_FILE_DEL 2
1187
1188/* KVM_DEV_VFIO_GROUP aliases are for compile time uapi compatibility */
1189#define KVM_DEV_VFIO_GROUP KVM_DEV_VFIO_FILE
1190
1191#define KVM_DEV_VFIO_GROUP_ADD KVM_DEV_VFIO_FILE_ADD
1192#define KVM_DEV_VFIO_GROUP_DEL KVM_DEV_VFIO_FILE_DEL
1193#define KVM_DEV_VFIO_GROUP_SET_SPAPR_TCE 3
1194
1195enum kvm_device_type {
1196 KVM_DEV_TYPE_FSL_MPIC_20 = 1,
1197#define KVM_DEV_TYPE_FSL_MPIC_20 KVM_DEV_TYPE_FSL_MPIC_20
1198 KVM_DEV_TYPE_FSL_MPIC_42,
1199#define KVM_DEV_TYPE_FSL_MPIC_42 KVM_DEV_TYPE_FSL_MPIC_42
1200 KVM_DEV_TYPE_XICS,
1201#define KVM_DEV_TYPE_XICS KVM_DEV_TYPE_XICS
1202 KVM_DEV_TYPE_VFIO,
1203#define KVM_DEV_TYPE_VFIO KVM_DEV_TYPE_VFIO
1204 KVM_DEV_TYPE_ARM_VGIC_V2,
1205#define KVM_DEV_TYPE_ARM_VGIC_V2 KVM_DEV_TYPE_ARM_VGIC_V2
1206 KVM_DEV_TYPE_FLIC,
1207#define KVM_DEV_TYPE_FLIC KVM_DEV_TYPE_FLIC
1208 KVM_DEV_TYPE_ARM_VGIC_V3,
1209#define KVM_DEV_TYPE_ARM_VGIC_V3 KVM_DEV_TYPE_ARM_VGIC_V3
1210 KVM_DEV_TYPE_ARM_VGIC_ITS,
1211#define KVM_DEV_TYPE_ARM_VGIC_ITS KVM_DEV_TYPE_ARM_VGIC_ITS
1212 KVM_DEV_TYPE_XIVE,
1213#define KVM_DEV_TYPE_XIVE KVM_DEV_TYPE_XIVE
1214 KVM_DEV_TYPE_ARM_PV_TIME,
1215#define KVM_DEV_TYPE_ARM_PV_TIME KVM_DEV_TYPE_ARM_PV_TIME
1216 KVM_DEV_TYPE_RISCV_AIA,
1217#define KVM_DEV_TYPE_RISCV_AIA KVM_DEV_TYPE_RISCV_AIA
1218 KVM_DEV_TYPE_LOONGARCH_IPI,
1219#define KVM_DEV_TYPE_LOONGARCH_IPI KVM_DEV_TYPE_LOONGARCH_IPI
1220 KVM_DEV_TYPE_LOONGARCH_EIOINTC,
1221#define KVM_DEV_TYPE_LOONGARCH_EIOINTC KVM_DEV_TYPE_LOONGARCH_EIOINTC
1222 KVM_DEV_TYPE_LOONGARCH_PCHPIC,
1223#define KVM_DEV_TYPE_LOONGARCH_PCHPIC KVM_DEV_TYPE_LOONGARCH_PCHPIC
1224 KVM_DEV_TYPE_LOONGARCH_DMSINTC,
1225#define KVM_DEV_TYPE_LOONGARCH_DMSINTC KVM_DEV_TYPE_LOONGARCH_DMSINTC
1226 KVM_DEV_TYPE_ARM_VGIC_V5,
1227#define KVM_DEV_TYPE_ARM_VGIC_V5 KVM_DEV_TYPE_ARM_VGIC_V5
1228
1229 KVM_DEV_TYPE_MAX,
1230
1231};
1232
1233struct kvm_vfio_spapr_tce {
1234 __s32 groupfd;
1235 __s32 tablefd;
1236};
1237
1238#define KVM_S390_KEYOP_ISKE 0x01
1239#define KVM_S390_KEYOP_RRBE 0x02
1240#define KVM_S390_KEYOP_SSKE 0x03
1241struct kvm_s390_keyop {
1242 __u64 guest_addr;
1243 __u8 key;
1244 __u8 operation;
1245 __u8 pad[6];
1246};
1247
1248/*
1249 * KVM_CREATE_VCPU receives as a parameter the vcpu slot, and returns
1250 * a vcpu fd.
1251 */
1252#define KVM_CREATE_VCPU _IO(KVMIO, 0x41)
1253#define KVM_GET_DIRTY_LOG _IOW(KVMIO, 0x42, struct kvm_dirty_log)
1254#define KVM_SET_NR_MMU_PAGES _IO(KVMIO, 0x44)
1255#define KVM_GET_NR_MMU_PAGES _IO(KVMIO, 0x45) /* deprecated */
1256#define KVM_SET_USER_MEMORY_REGION _IOW(KVMIO, 0x46, \
1257 struct kvm_userspace_memory_region)
1258#define KVM_SET_TSS_ADDR _IO(KVMIO, 0x47)
1259#define KVM_SET_IDENTITY_MAP_ADDR _IOW(KVMIO, 0x48, __u64)
1260#define KVM_SET_USER_MEMORY_REGION2 _IOW(KVMIO, 0x49, \
1261 struct kvm_userspace_memory_region2)
1262
1263/* enable ucontrol for s390 */
1264#define KVM_S390_UCAS_MAP _IOW(KVMIO, 0x50, struct kvm_s390_ucas_mapping)
1265#define KVM_S390_UCAS_UNMAP _IOW(KVMIO, 0x51, struct kvm_s390_ucas_mapping)
1266#define KVM_S390_VCPU_FAULT _IOW(KVMIO, 0x52, unsigned long)
1267#define KVM_S390_KEYOP _IOWR(KVMIO, 0x53, struct kvm_s390_keyop)
1268
1269/* Device model IOC */
1270#define KVM_CREATE_IRQCHIP _IO(KVMIO, 0x60)
1271#define KVM_IRQ_LINE _IOW(KVMIO, 0x61, struct kvm_irq_level)
1272#define KVM_GET_IRQCHIP _IOWR(KVMIO, 0x62, struct kvm_irqchip)
1273#define KVM_SET_IRQCHIP _IOR(KVMIO, 0x63, struct kvm_irqchip)
1274#define KVM_CREATE_PIT _IO(KVMIO, 0x64)
1275#define KVM_GET_PIT _IOWR(KVMIO, 0x65, struct kvm_pit_state)
1276#define KVM_SET_PIT _IOR(KVMIO, 0x66, struct kvm_pit_state)
1277#define KVM_IRQ_LINE_STATUS _IOWR(KVMIO, 0x67, struct kvm_irq_level)
1278#define KVM_REGISTER_COALESCED_MMIO \
1279 _IOW(KVMIO, 0x67, struct kvm_coalesced_mmio_zone)
1280#define KVM_UNREGISTER_COALESCED_MMIO \
1281 _IOW(KVMIO, 0x68, struct kvm_coalesced_mmio_zone)
1282#define KVM_SET_GSI_ROUTING _IOW(KVMIO, 0x6a, struct kvm_irq_routing)
1283#define KVM_REINJECT_CONTROL _IO(KVMIO, 0x71)
1284#define KVM_IRQFD _IOW(KVMIO, 0x76, struct kvm_irqfd)
1285#define KVM_CREATE_PIT2 _IOW(KVMIO, 0x77, struct kvm_pit_config)
1286#define KVM_SET_BOOT_CPU_ID _IO(KVMIO, 0x78)
1287#define KVM_IOEVENTFD _IOW(KVMIO, 0x79, struct kvm_ioeventfd)
1288#define KVM_XEN_HVM_CONFIG _IOW(KVMIO, 0x7a, struct kvm_xen_hvm_config)
1289#define KVM_SET_CLOCK _IOW(KVMIO, 0x7b, struct kvm_clock_data)
1290#define KVM_GET_CLOCK _IOR(KVMIO, 0x7c, struct kvm_clock_data)
1291/* Available with KVM_CAP_PIT_STATE2 */
1292#define KVM_GET_PIT2 _IOR(KVMIO, 0x9f, struct kvm_pit_state2)
1293#define KVM_SET_PIT2 _IOW(KVMIO, 0xa0, struct kvm_pit_state2)
1294/* Available with KVM_CAP_PPC_GET_PVINFO */
1295#define KVM_PPC_GET_PVINFO _IOW(KVMIO, 0xa1, struct kvm_ppc_pvinfo)
1296/* Available with KVM_CAP_TSC_CONTROL for a vCPU, or with
1297* KVM_CAP_VM_TSC_CONTROL to set defaults for a VM */
1298#define KVM_SET_TSC_KHZ _IO(KVMIO, 0xa2)
1299#define KVM_GET_TSC_KHZ _IO(KVMIO, 0xa3)
1300/* Available with KVM_CAP_SIGNAL_MSI */
1301#define KVM_SIGNAL_MSI _IOW(KVMIO, 0xa5, struct kvm_msi)
1302/* Available with KVM_CAP_PPC_GET_SMMU_INFO */
1303#define KVM_PPC_GET_SMMU_INFO _IOR(KVMIO, 0xa6, struct kvm_ppc_smmu_info)
1304/* Available with KVM_CAP_PPC_ALLOC_HTAB */
1305#define KVM_PPC_ALLOCATE_HTAB _IOWR(KVMIO, 0xa7, __u32)
1306#define KVM_CREATE_SPAPR_TCE _IOW(KVMIO, 0xa8, struct kvm_create_spapr_tce)
1307#define KVM_CREATE_SPAPR_TCE_64 _IOW(KVMIO, 0xa8, \
1308 struct kvm_create_spapr_tce_64)
1309/* Available with KVM_CAP_RMA */
1310#define KVM_ALLOCATE_RMA _IOR(KVMIO, 0xa9, struct kvm_allocate_rma)
1311/* Available with KVM_CAP_PPC_HTAB_FD */
1312#define KVM_PPC_GET_HTAB_FD _IOW(KVMIO, 0xaa, struct kvm_get_htab_fd)
1313/* Available with KVM_CAP_ARM_SET_DEVICE_ADDR */
1314#define KVM_ARM_SET_DEVICE_ADDR _IOW(KVMIO, 0xab, struct kvm_arm_device_addr)
1315/* Available with KVM_CAP_PPC_RTAS */
1316#define KVM_PPC_RTAS_DEFINE_TOKEN _IOW(KVMIO, 0xac, struct kvm_rtas_token_args)
1317/* Available with KVM_CAP_SPAPR_RESIZE_HPT */
1318#define KVM_PPC_RESIZE_HPT_PREPARE _IOR(KVMIO, 0xad, struct kvm_ppc_resize_hpt)
1319#define KVM_PPC_RESIZE_HPT_COMMIT _IOR(KVMIO, 0xae, struct kvm_ppc_resize_hpt)
1320/* Available with KVM_CAP_PPC_MMU_RADIX or KVM_CAP_PPC_MMU_HASH_V3 */
1321#define KVM_PPC_CONFIGURE_V3_MMU _IOW(KVMIO, 0xaf, struct kvm_ppc_mmuv3_cfg)
1322/* Available with KVM_CAP_PPC_MMU_RADIX */
1323#define KVM_PPC_GET_RMMU_INFO _IOW(KVMIO, 0xb0, struct kvm_ppc_rmmu_info)
1324/* Available with KVM_CAP_PPC_GET_CPU_CHAR */
1325#define KVM_PPC_GET_CPU_CHAR _IOR(KVMIO, 0xb1, struct kvm_ppc_cpu_char)
1326/* Available with KVM_CAP_PMU_EVENT_FILTER */
1327#define KVM_SET_PMU_EVENT_FILTER _IOW(KVMIO, 0xb2, struct kvm_pmu_event_filter)
1328#define KVM_PPC_SVM_OFF _IO(KVMIO, 0xb3)
1329#define KVM_ARM_MTE_COPY_TAGS _IOR(KVMIO, 0xb4, struct kvm_arm_copy_mte_tags)
1330/* Available with KVM_CAP_COUNTER_OFFSET */
1331#define KVM_ARM_SET_COUNTER_OFFSET _IOW(KVMIO, 0xb5, struct kvm_arm_counter_offset)
1332#define KVM_ARM_GET_REG_WRITABLE_MASKS _IOR(KVMIO, 0xb6, struct reg_mask_range)
1333
1334/* ioctl for vm fd */
1335#define KVM_CREATE_DEVICE _IOWR(KVMIO, 0xe0, struct kvm_create_device)
1336
1337/* ioctls for fds returned by KVM_CREATE_DEVICE */
1338#define KVM_SET_DEVICE_ATTR _IOW(KVMIO, 0xe1, struct kvm_device_attr)
1339#define KVM_GET_DEVICE_ATTR _IOW(KVMIO, 0xe2, struct kvm_device_attr)
1340#define KVM_HAS_DEVICE_ATTR _IOW(KVMIO, 0xe3, struct kvm_device_attr)
1341
1342/*
1343 * ioctls for vcpu fds
1344 */
1345#define KVM_RUN _IO(KVMIO, 0x80)
1346#define KVM_GET_REGS _IOR(KVMIO, 0x81, struct kvm_regs)
1347#define KVM_SET_REGS _IOW(KVMIO, 0x82, struct kvm_regs)
1348#define KVM_GET_SREGS _IOR(KVMIO, 0x83, struct kvm_sregs)
1349#define KVM_SET_SREGS _IOW(KVMIO, 0x84, struct kvm_sregs)
1350#define KVM_TRANSLATE _IOWR(KVMIO, 0x85, struct kvm_translation)
1351#define KVM_INTERRUPT _IOW(KVMIO, 0x86, struct kvm_interrupt)
1352#define KVM_GET_MSRS _IOWR(KVMIO, 0x88, struct kvm_msrs)
1353#define KVM_SET_MSRS _IOW(KVMIO, 0x89, struct kvm_msrs)
1354#define KVM_SET_CPUID _IOW(KVMIO, 0x8a, struct kvm_cpuid)
1355#define KVM_SET_SIGNAL_MASK _IOW(KVMIO, 0x8b, struct kvm_signal_mask)
1356#define KVM_GET_FPU _IOR(KVMIO, 0x8c, struct kvm_fpu)
1357#define KVM_SET_FPU _IOW(KVMIO, 0x8d, struct kvm_fpu)
1358#define KVM_GET_LAPIC _IOR(KVMIO, 0x8e, struct kvm_lapic_state)
1359#define KVM_SET_LAPIC _IOW(KVMIO, 0x8f, struct kvm_lapic_state)
1360#define KVM_SET_CPUID2 _IOW(KVMIO, 0x90, struct kvm_cpuid2)
1361#define KVM_GET_CPUID2 _IOWR(KVMIO, 0x91, struct kvm_cpuid2)
1362/* Available with KVM_CAP_VAPIC */
1363#define KVM_TPR_ACCESS_REPORTING _IOWR(KVMIO, 0x92, struct kvm_tpr_access_ctl)
1364/* Available with KVM_CAP_VAPIC */
1365#define KVM_SET_VAPIC_ADDR _IOW(KVMIO, 0x93, struct kvm_vapic_addr)
1366/* valid for virtual machine (for floating interrupt)_and_ vcpu */
1367#define KVM_S390_INTERRUPT _IOW(KVMIO, 0x94, struct kvm_s390_interrupt)
1368/* store status for s390 */
1369#define KVM_S390_STORE_STATUS_NOADDR (-1ul)
1370#define KVM_S390_STORE_STATUS_PREFIXED (-2ul)
1371#define KVM_S390_STORE_STATUS _IOW(KVMIO, 0x95, unsigned long)
1372/* initial ipl psw for s390 */
1373#define KVM_S390_SET_INITIAL_PSW _IOW(KVMIO, 0x96, struct kvm_s390_psw)
1374/* initial reset for s390 */
1375#define KVM_S390_INITIAL_RESET _IO(KVMIO, 0x97)
1376#define KVM_GET_MP_STATE _IOR(KVMIO, 0x98, struct kvm_mp_state)
1377#define KVM_SET_MP_STATE _IOW(KVMIO, 0x99, struct kvm_mp_state)
1378/* Available with KVM_CAP_USER_NMI */
1379#define KVM_NMI _IO(KVMIO, 0x9a)
1380/* Available with KVM_CAP_SET_GUEST_DEBUG */
1381#define KVM_SET_GUEST_DEBUG _IOW(KVMIO, 0x9b, struct kvm_guest_debug)
1382/* MCE for x86 */
1383#define KVM_X86_SETUP_MCE _IOW(KVMIO, 0x9c, __u64)
1384#define KVM_X86_GET_MCE_CAP_SUPPORTED _IOR(KVMIO, 0x9d, __u64)
1385#define KVM_X86_SET_MCE _IOW(KVMIO, 0x9e, struct kvm_x86_mce)
1386/* Available with KVM_CAP_VCPU_EVENTS */
1387#define KVM_GET_VCPU_EVENTS _IOR(KVMIO, 0x9f, struct kvm_vcpu_events)
1388#define KVM_SET_VCPU_EVENTS _IOW(KVMIO, 0xa0, struct kvm_vcpu_events)
1389/* Available with KVM_CAP_DEBUGREGS */
1390#define KVM_GET_DEBUGREGS _IOR(KVMIO, 0xa1, struct kvm_debugregs)
1391#define KVM_SET_DEBUGREGS _IOW(KVMIO, 0xa2, struct kvm_debugregs)
1392/*
1393 * vcpu version available with KVM_CAP_ENABLE_CAP
1394 * vm version available with KVM_CAP_ENABLE_CAP_VM
1395 */
1396#define KVM_ENABLE_CAP _IOW(KVMIO, 0xa3, struct kvm_enable_cap)
1397/* Available with KVM_CAP_XSAVE */
1398#define KVM_GET_XSAVE _IOR(KVMIO, 0xa4, struct kvm_xsave)
1399#define KVM_SET_XSAVE _IOW(KVMIO, 0xa5, struct kvm_xsave)
1400/* Available with KVM_CAP_XCRS */
1401#define KVM_GET_XCRS _IOR(KVMIO, 0xa6, struct kvm_xcrs)
1402#define KVM_SET_XCRS _IOW(KVMIO, 0xa7, struct kvm_xcrs)
1403/* Available with KVM_CAP_SW_TLB */
1404#define KVM_DIRTY_TLB _IOW(KVMIO, 0xaa, struct kvm_dirty_tlb)
1405/* Available with KVM_CAP_ONE_REG */
1406#define KVM_GET_ONE_REG _IOW(KVMIO, 0xab, struct kvm_one_reg)
1407#define KVM_SET_ONE_REG _IOW(KVMIO, 0xac, struct kvm_one_reg)
1408/* VM is being stopped by host */
1409#define KVM_KVMCLOCK_CTRL _IO(KVMIO, 0xad)
1410#define KVM_ARM_VCPU_INIT _IOW(KVMIO, 0xae, struct kvm_vcpu_init)
1411#define KVM_ARM_PREFERRED_TARGET _IOR(KVMIO, 0xaf, struct kvm_vcpu_init)
1412#define KVM_GET_REG_LIST _IOWR(KVMIO, 0xb0, struct kvm_reg_list)
1413/* Available with KVM_CAP_S390_MEM_OP */
1414#define KVM_S390_MEM_OP _IOW(KVMIO, 0xb1, struct kvm_s390_mem_op)
1415/* Available with KVM_CAP_S390_SKEYS */
1416#define KVM_S390_GET_SKEYS _IOW(KVMIO, 0xb2, struct kvm_s390_skeys)
1417#define KVM_S390_SET_SKEYS _IOW(KVMIO, 0xb3, struct kvm_s390_skeys)
1418/* Available with KVM_CAP_S390_INJECT_IRQ */
1419#define KVM_S390_IRQ _IOW(KVMIO, 0xb4, struct kvm_s390_irq)
1420/* Available with KVM_CAP_S390_IRQ_STATE */
1421#define KVM_S390_SET_IRQ_STATE _IOW(KVMIO, 0xb5, struct kvm_s390_irq_state)
1422#define KVM_S390_GET_IRQ_STATE _IOW(KVMIO, 0xb6, struct kvm_s390_irq_state)
1423/* Available with KVM_CAP_X86_SMM */
1424#define KVM_SMI _IO(KVMIO, 0xb7)
1425/* Available with KVM_CAP_S390_CMMA_MIGRATION */
1426#define KVM_S390_GET_CMMA_BITS _IOWR(KVMIO, 0xb8, struct kvm_s390_cmma_log)
1427#define KVM_S390_SET_CMMA_BITS _IOW(KVMIO, 0xb9, struct kvm_s390_cmma_log)
1428/* Memory Encryption Commands */
1429#define KVM_MEMORY_ENCRYPT_OP _IOWR(KVMIO, 0xba, unsigned long)
1430
1431struct kvm_enc_region {
1432 __u64 addr;
1433 __u64 size;
1434};
1435
1436#define KVM_MEMORY_ENCRYPT_REG_REGION _IOR(KVMIO, 0xbb, struct kvm_enc_region)
1437#define KVM_MEMORY_ENCRYPT_UNREG_REGION _IOR(KVMIO, 0xbc, struct kvm_enc_region)
1438
1439/* Available with KVM_CAP_HYPERV_EVENTFD */
1440#define KVM_HYPERV_EVENTFD _IOW(KVMIO, 0xbd, struct kvm_hyperv_eventfd)
1441
1442/* Available with KVM_CAP_NESTED_STATE */
1443#define KVM_GET_NESTED_STATE _IOWR(KVMIO, 0xbe, struct kvm_nested_state)
1444#define KVM_SET_NESTED_STATE _IOW(KVMIO, 0xbf, struct kvm_nested_state)
1445
1446/* Available with KVM_CAP_MANUAL_DIRTY_LOG_PROTECT_2 */
1447#define KVM_CLEAR_DIRTY_LOG _IOWR(KVMIO, 0xc0, struct kvm_clear_dirty_log)
1448
1449/* Available with KVM_CAP_HYPERV_CPUID (vcpu) / KVM_CAP_SYS_HYPERV_CPUID (system) */
1450#define KVM_GET_SUPPORTED_HV_CPUID _IOWR(KVMIO, 0xc1, struct kvm_cpuid2)
1451
1452/* Available with KVM_CAP_ARM_SVE */
1453#define KVM_ARM_VCPU_FINALIZE _IOW(KVMIO, 0xc2, int)
1454
1455/* Available with KVM_CAP_S390_VCPU_RESETS */
1456#define KVM_S390_NORMAL_RESET _IO(KVMIO, 0xc3)
1457#define KVM_S390_CLEAR_RESET _IO(KVMIO, 0xc4)
1458
1459/* Available with KVM_CAP_S390_PROTECTED */
1460#define KVM_S390_PV_COMMAND _IOWR(KVMIO, 0xc5, struct kvm_pv_cmd)
1461
1462/* Available with KVM_CAP_X86_MSR_FILTER */
1463#define KVM_X86_SET_MSR_FILTER _IOW(KVMIO, 0xc6, struct kvm_msr_filter)
1464
1465/* Available with KVM_CAP_DIRTY_LOG_RING */
1466#define KVM_RESET_DIRTY_RINGS _IO(KVMIO, 0xc7)
1467
1468/* Per-VM Xen attributes */
1469#define KVM_XEN_HVM_GET_ATTR _IOWR(KVMIO, 0xc8, struct kvm_xen_hvm_attr)
1470#define KVM_XEN_HVM_SET_ATTR _IOW(KVMIO, 0xc9, struct kvm_xen_hvm_attr)
1471
1472/* Per-vCPU Xen attributes */
1473#define KVM_XEN_VCPU_GET_ATTR _IOWR(KVMIO, 0xca, struct kvm_xen_vcpu_attr)
1474#define KVM_XEN_VCPU_SET_ATTR _IOW(KVMIO, 0xcb, struct kvm_xen_vcpu_attr)
1475
1476/* Available with KVM_CAP_XEN_HVM / KVM_XEN_HVM_CONFIG_EVTCHN_SEND */
1477#define KVM_XEN_HVM_EVTCHN_SEND _IOW(KVMIO, 0xd0, struct kvm_irq_routing_xen_evtchn)
1478
1479#define KVM_GET_SREGS2 _IOR(KVMIO, 0xcc, struct kvm_sregs2)
1480#define KVM_SET_SREGS2 _IOW(KVMIO, 0xcd, struct kvm_sregs2)
1481
1482#define KVM_DIRTY_LOG_MANUAL_PROTECT_ENABLE (1 << 0)
1483#define KVM_DIRTY_LOG_INITIALLY_SET (1 << 1)
1484
1485/*
1486 * Arch needs to define the macro after implementing the dirty ring
1487 * feature. KVM_DIRTY_LOG_PAGE_OFFSET should be defined as the
1488 * starting page offset of the dirty ring structures.
1489 */
1490#ifndef KVM_DIRTY_LOG_PAGE_OFFSET
1491#define KVM_DIRTY_LOG_PAGE_OFFSET 0
1492#endif
1493
1494/*
1495 * KVM dirty GFN flags, defined as:
1496 *
1497 * |---------------+---------------+--------------|
1498 * | bit 1 (reset) | bit 0 (dirty) | Status |
1499 * |---------------+---------------+--------------|
1500 * | 0 | 0 | Invalid GFN |
1501 * | 0 | 1 | Dirty GFN |
1502 * | 1 | X | GFN to reset |
1503 * |---------------+---------------+--------------|
1504 *
1505 * Lifecycle of a dirty GFN goes like:
1506 *
1507 * dirtied harvested reset
1508 * 00 -----------> 01 -------------> 1X -------+
1509 * ^ |
1510 * | |
1511 * +------------------------------------------+
1512 *
1513 * The userspace program is only responsible for the 01->1X state
1514 * conversion after harvesting an entry. Also, it must not skip any
1515 * dirty bits, so that dirty bits are always harvested in sequence.
1516 */
1517#define KVM_DIRTY_GFN_F_DIRTY _BITUL(0)
1518#define KVM_DIRTY_GFN_F_RESET _BITUL(1)
1519#define KVM_DIRTY_GFN_F_MASK 0x3
1520
1521/*
1522 * KVM dirty rings should be mapped at KVM_DIRTY_LOG_PAGE_OFFSET of
1523 * per-vcpu mmaped regions as an array of struct kvm_dirty_gfn. The
1524 * size of the gfn buffer is decided by the first argument when
1525 * enabling KVM_CAP_DIRTY_LOG_RING.
1526 */
1527struct kvm_dirty_gfn {
1528 __u32 flags;
1529 __u32 slot;
1530 __u64 offset;
1531};
1532
1533#define KVM_BUS_LOCK_DETECTION_OFF (1 << 0)
1534#define KVM_BUS_LOCK_DETECTION_EXIT (1 << 1)
1535
1536#define KVM_PMU_CAP_DISABLE (1 << 0)
1537
1538/**
1539 * struct kvm_stats_header - Header of per vm/vcpu binary statistics data.
1540 * @flags: Some extra information for header, always 0 for now.
1541 * @name_size: The size in bytes of the memory which contains statistics
1542 * name string including trailing '\0'. The memory is allocated
1543 * at the send of statistics descriptor.
1544 * @num_desc: The number of statistics the vm or vcpu has.
1545 * @id_offset: The offset of the vm/vcpu stats' id string in the file pointed
1546 * by vm/vcpu stats fd.
1547 * @desc_offset: The offset of the vm/vcpu stats' descriptor block in the file
1548 * pointd by vm/vcpu stats fd.
1549 * @data_offset: The offset of the vm/vcpu stats' data block in the file
1550 * pointed by vm/vcpu stats fd.
1551 *
1552 * This is the header userspace needs to read from stats fd before any other
1553 * readings. It is used by userspace to discover all the information about the
1554 * vm/vcpu's binary statistics.
1555 * Userspace reads this header from the start of the vm/vcpu's stats fd.
1556 */
1557struct kvm_stats_header {
1558 __u32 flags;
1559 __u32 name_size;
1560 __u32 num_desc;
1561 __u32 id_offset;
1562 __u32 desc_offset;
1563 __u32 data_offset;
1564};
1565
1566#define KVM_STATS_TYPE_SHIFT 0
1567#define KVM_STATS_TYPE_MASK (0xF << KVM_STATS_TYPE_SHIFT)
1568#define KVM_STATS_TYPE_CUMULATIVE (0x0 << KVM_STATS_TYPE_SHIFT)
1569#define KVM_STATS_TYPE_INSTANT (0x1 << KVM_STATS_TYPE_SHIFT)
1570#define KVM_STATS_TYPE_PEAK (0x2 << KVM_STATS_TYPE_SHIFT)
1571#define KVM_STATS_TYPE_LINEAR_HIST (0x3 << KVM_STATS_TYPE_SHIFT)
1572#define KVM_STATS_TYPE_LOG_HIST (0x4 << KVM_STATS_TYPE_SHIFT)
1573#define KVM_STATS_TYPE_MAX KVM_STATS_TYPE_LOG_HIST
1574
1575#define KVM_STATS_UNIT_SHIFT 4
1576#define KVM_STATS_UNIT_MASK (0xF << KVM_STATS_UNIT_SHIFT)
1577#define KVM_STATS_UNIT_NONE (0x0 << KVM_STATS_UNIT_SHIFT)
1578#define KVM_STATS_UNIT_BYTES (0x1 << KVM_STATS_UNIT_SHIFT)
1579#define KVM_STATS_UNIT_SECONDS (0x2 << KVM_STATS_UNIT_SHIFT)
1580#define KVM_STATS_UNIT_CYCLES (0x3 << KVM_STATS_UNIT_SHIFT)
1581#define KVM_STATS_UNIT_BOOLEAN (0x4 << KVM_STATS_UNIT_SHIFT)
1582#define KVM_STATS_UNIT_MAX KVM_STATS_UNIT_BOOLEAN
1583
1584#define KVM_STATS_BASE_SHIFT 8
1585#define KVM_STATS_BASE_MASK (0xF << KVM_STATS_BASE_SHIFT)
1586#define KVM_STATS_BASE_POW10 (0x0 << KVM_STATS_BASE_SHIFT)
1587#define KVM_STATS_BASE_POW2 (0x1 << KVM_STATS_BASE_SHIFT)
1588#define KVM_STATS_BASE_MAX KVM_STATS_BASE_POW2
1589
1590/**
1591 * struct kvm_stats_desc - Descriptor of a KVM statistics.
1592 * @flags: Annotations of the stats, like type, unit, etc.
1593 * @exponent: Used together with @flags to determine the unit.
1594 * @size: The number of data items for this stats.
1595 * Every data item is of type __u64.
1596 * @offset: The offset of the stats to the start of stat structure in
1597 * structure kvm or kvm_vcpu.
1598 * @bucket_size: A parameter value used for histogram stats. It is only used
1599 * for linear histogram stats, specifying the size of the bucket;
1600 * @name: The name string for the stats. Its size is indicated by the
1601 * &kvm_stats_header->name_size.
1602 */
1603struct kvm_stats_desc {
1604 __u32 flags;
1605 __s16 exponent;
1606 __u16 size;
1607 __u32 offset;
1608 __u32 bucket_size;
1609 __DECLARE_FLEX_ARRAY(char, name);
1610};
1611
1612#define KVM_GET_STATS_FD _IO(KVMIO, 0xce)
1613
1614/* Available with KVM_CAP_XSAVE2 */
1615#define KVM_GET_XSAVE2 _IOR(KVMIO, 0xcf, struct kvm_xsave)
1616
1617/* Available with KVM_CAP_S390_PROTECTED_DUMP */
1618#define KVM_S390_PV_CPU_COMMAND _IOWR(KVMIO, 0xd0, struct kvm_pv_cmd)
1619
1620/* Available with KVM_CAP_X86_NOTIFY_VMEXIT */
1621#define KVM_X86_NOTIFY_VMEXIT_ENABLED (1ULL << 0)
1622#define KVM_X86_NOTIFY_VMEXIT_USER (1ULL << 1)
1623
1624/* Available with KVM_CAP_S390_ZPCI_OP */
1625#define KVM_S390_ZPCI_OP _IOW(KVMIO, 0xd1, struct kvm_s390_zpci_op)
1626
1627/* Available with KVM_CAP_MEMORY_ATTRIBUTES */
1628#define KVM_SET_MEMORY_ATTRIBUTES _IOW(KVMIO, 0xd2, struct kvm_memory_attributes)
1629
1630struct kvm_memory_attributes {
1631 __u64 address;
1632 __u64 size;
1633 __u64 attributes;
1634 __u64 flags;
1635};
1636
1637#define KVM_MEMORY_ATTRIBUTE_PRIVATE (1ULL << 3)
1638
1639#define KVM_CREATE_GUEST_MEMFD _IOWR(KVMIO, 0xd4, struct kvm_create_guest_memfd)
1640#define GUEST_MEMFD_FLAG_MMAP (1ULL << 0)
1641#define GUEST_MEMFD_FLAG_INIT_SHARED (1ULL << 1)
1642
1643struct kvm_create_guest_memfd {
1644 __u64 size;
1645 __u64 flags;
1646 __u64 reserved[6];
1647};
1648
1649#define KVM_PRE_FAULT_MEMORY _IOWR(KVMIO, 0xd5, struct kvm_pre_fault_memory)
1650
1651struct kvm_pre_fault_memory {
1652 __u64 gpa;
1653 __u64 size;
1654 __u64 flags;
1655 __u64 padding[5];
1656};
1657
1658#endif /* __LINUX_KVM_H */