Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
tjh.dev
kernel
os
linux
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/types.h>
12#include <linux/compiler.h>
13#include <linux/ioctl.h>
14#include <asm/kvm.h>
15
16#define KVM_API_VERSION 12
17
18/* *** Deprecated interfaces *** */
19
20#define KVM_TRC_SHIFT 16
21
22#define KVM_TRC_ENTRYEXIT (1 << KVM_TRC_SHIFT)
23#define KVM_TRC_HANDLER (1 << (KVM_TRC_SHIFT + 1))
24
25#define KVM_TRC_VMENTRY (KVM_TRC_ENTRYEXIT + 0x01)
26#define KVM_TRC_VMEXIT (KVM_TRC_ENTRYEXIT + 0x02)
27#define KVM_TRC_PAGE_FAULT (KVM_TRC_HANDLER + 0x01)
28
29#define KVM_TRC_HEAD_SIZE 12
30#define KVM_TRC_CYCLE_SIZE 8
31#define KVM_TRC_EXTRA_MAX 7
32
33#define KVM_TRC_INJ_VIRQ (KVM_TRC_HANDLER + 0x02)
34#define KVM_TRC_REDELIVER_EVT (KVM_TRC_HANDLER + 0x03)
35#define KVM_TRC_PEND_INTR (KVM_TRC_HANDLER + 0x04)
36#define KVM_TRC_IO_READ (KVM_TRC_HANDLER + 0x05)
37#define KVM_TRC_IO_WRITE (KVM_TRC_HANDLER + 0x06)
38#define KVM_TRC_CR_READ (KVM_TRC_HANDLER + 0x07)
39#define KVM_TRC_CR_WRITE (KVM_TRC_HANDLER + 0x08)
40#define KVM_TRC_DR_READ (KVM_TRC_HANDLER + 0x09)
41#define KVM_TRC_DR_WRITE (KVM_TRC_HANDLER + 0x0A)
42#define KVM_TRC_MSR_READ (KVM_TRC_HANDLER + 0x0B)
43#define KVM_TRC_MSR_WRITE (KVM_TRC_HANDLER + 0x0C)
44#define KVM_TRC_CPUID (KVM_TRC_HANDLER + 0x0D)
45#define KVM_TRC_INTR (KVM_TRC_HANDLER + 0x0E)
46#define KVM_TRC_NMI (KVM_TRC_HANDLER + 0x0F)
47#define KVM_TRC_VMMCALL (KVM_TRC_HANDLER + 0x10)
48#define KVM_TRC_HLT (KVM_TRC_HANDLER + 0x11)
49#define KVM_TRC_CLTS (KVM_TRC_HANDLER + 0x12)
50#define KVM_TRC_LMSW (KVM_TRC_HANDLER + 0x13)
51#define KVM_TRC_APIC_ACCESS (KVM_TRC_HANDLER + 0x14)
52#define KVM_TRC_TDP_FAULT (KVM_TRC_HANDLER + 0x15)
53#define KVM_TRC_GTLB_WRITE (KVM_TRC_HANDLER + 0x16)
54#define KVM_TRC_STLB_WRITE (KVM_TRC_HANDLER + 0x17)
55#define KVM_TRC_STLB_INVAL (KVM_TRC_HANDLER + 0x18)
56#define KVM_TRC_PPC_INSTR (KVM_TRC_HANDLER + 0x19)
57
58struct kvm_user_trace_setup {
59 __u32 buf_size;
60 __u32 buf_nr;
61};
62
63#define __KVM_DEPRECATED_MAIN_W_0x06 \
64 _IOW(KVMIO, 0x06, struct kvm_user_trace_setup)
65#define __KVM_DEPRECATED_MAIN_0x07 _IO(KVMIO, 0x07)
66#define __KVM_DEPRECATED_MAIN_0x08 _IO(KVMIO, 0x08)
67
68#define __KVM_DEPRECATED_VM_R_0x70 _IOR(KVMIO, 0x70, struct kvm_assigned_irq)
69
70struct kvm_breakpoint {
71 __u32 enabled;
72 __u32 padding;
73 __u64 address;
74};
75
76struct kvm_debug_guest {
77 __u32 enabled;
78 __u32 pad;
79 struct kvm_breakpoint breakpoints[4];
80 __u32 singlestep;
81};
82
83#define __KVM_DEPRECATED_VCPU_W_0x87 _IOW(KVMIO, 0x87, struct kvm_debug_guest)
84
85/* *** End of deprecated interfaces *** */
86
87
88/* for KVM_CREATE_MEMORY_REGION */
89struct kvm_memory_region {
90 __u32 slot;
91 __u32 flags;
92 __u64 guest_phys_addr;
93 __u64 memory_size; /* bytes */
94};
95
96/* for KVM_SET_USER_MEMORY_REGION */
97struct kvm_userspace_memory_region {
98 __u32 slot;
99 __u32 flags;
100 __u64 guest_phys_addr;
101 __u64 memory_size; /* bytes */
102 __u64 userspace_addr; /* start of the userspace allocated memory */
103};
104
105/*
106 * The bit 0 ~ bit 15 of kvm_memory_region::flags are visible for userspace,
107 * other bits are reserved for kvm internal use which are defined in
108 * include/linux/kvm_host.h.
109 */
110#define KVM_MEM_LOG_DIRTY_PAGES (1UL << 0)
111#define KVM_MEM_READONLY (1UL << 1)
112
113/* for KVM_IRQ_LINE */
114struct kvm_irq_level {
115 /*
116 * ACPI gsi notion of irq.
117 * For IA-64 (APIC model) IOAPIC0: irq 0-23; IOAPIC1: irq 24-47..
118 * For X86 (standard AT mode) PIC0/1: irq 0-15. IOAPIC0: 0-23..
119 * For ARM: See Documentation/virtual/kvm/api.txt
120 */
121 union {
122 __u32 irq;
123 __s32 status;
124 };
125 __u32 level;
126};
127
128
129struct kvm_irqchip {
130 __u32 chip_id;
131 __u32 pad;
132 union {
133 char dummy[512]; /* reserving space */
134#ifdef __KVM_HAVE_PIT
135 struct kvm_pic_state pic;
136#endif
137#ifdef __KVM_HAVE_IOAPIC
138 struct kvm_ioapic_state ioapic;
139#endif
140 } chip;
141};
142
143/* for KVM_CREATE_PIT2 */
144struct kvm_pit_config {
145 __u32 flags;
146 __u32 pad[15];
147};
148
149#define KVM_PIT_SPEAKER_DUMMY 1
150
151struct kvm_s390_skeys {
152 __u64 start_gfn;
153 __u64 count;
154 __u64 skeydata_addr;
155 __u32 flags;
156 __u32 reserved[9];
157};
158
159#define KVM_S390_CMMA_PEEK (1 << 0)
160
161/**
162 * kvm_s390_cmma_log - Used for CMMA migration.
163 *
164 * Used both for input and output.
165 *
166 * @start_gfn: Guest page number to start from.
167 * @count: Size of the result buffer.
168 * @flags: Control operation mode via KVM_S390_CMMA_* flags
169 * @remaining: Used with KVM_S390_GET_CMMA_BITS. Indicates how many dirty
170 * pages are still remaining.
171 * @mask: Used with KVM_S390_SET_CMMA_BITS. Bitmap of bits to actually set
172 * in the PGSTE.
173 * @values: Pointer to the values buffer.
174 *
175 * Used in KVM_S390_{G,S}ET_CMMA_BITS ioctls.
176 */
177struct kvm_s390_cmma_log {
178 __u64 start_gfn;
179 __u32 count;
180 __u32 flags;
181 union {
182 __u64 remaining;
183 __u64 mask;
184 };
185 __u64 values;
186};
187
188struct kvm_hyperv_exit {
189#define KVM_EXIT_HYPERV_SYNIC 1
190#define KVM_EXIT_HYPERV_HCALL 2
191 __u32 type;
192 union {
193 struct {
194 __u32 msr;
195 __u64 control;
196 __u64 evt_page;
197 __u64 msg_page;
198 } synic;
199 struct {
200 __u64 input;
201 __u64 result;
202 __u64 params[2];
203 } hcall;
204 } u;
205};
206
207#define KVM_S390_GET_SKEYS_NONE 1
208#define KVM_S390_SKEYS_MAX 1048576
209
210#define KVM_EXIT_UNKNOWN 0
211#define KVM_EXIT_EXCEPTION 1
212#define KVM_EXIT_IO 2
213#define KVM_EXIT_HYPERCALL 3
214#define KVM_EXIT_DEBUG 4
215#define KVM_EXIT_HLT 5
216#define KVM_EXIT_MMIO 6
217#define KVM_EXIT_IRQ_WINDOW_OPEN 7
218#define KVM_EXIT_SHUTDOWN 8
219#define KVM_EXIT_FAIL_ENTRY 9
220#define KVM_EXIT_INTR 10
221#define KVM_EXIT_SET_TPR 11
222#define KVM_EXIT_TPR_ACCESS 12
223#define KVM_EXIT_S390_SIEIC 13
224#define KVM_EXIT_S390_RESET 14
225#define KVM_EXIT_DCR 15 /* deprecated */
226#define KVM_EXIT_NMI 16
227#define KVM_EXIT_INTERNAL_ERROR 17
228#define KVM_EXIT_OSI 18
229#define KVM_EXIT_PAPR_HCALL 19
230#define KVM_EXIT_S390_UCONTROL 20
231#define KVM_EXIT_WATCHDOG 21
232#define KVM_EXIT_S390_TSCH 22
233#define KVM_EXIT_EPR 23
234#define KVM_EXIT_SYSTEM_EVENT 24
235#define KVM_EXIT_S390_STSI 25
236#define KVM_EXIT_IOAPIC_EOI 26
237#define KVM_EXIT_HYPERV 27
238
239/* For KVM_EXIT_INTERNAL_ERROR */
240/* Emulate instruction failed. */
241#define KVM_INTERNAL_ERROR_EMULATION 1
242/* Encounter unexpected simultaneous exceptions. */
243#define KVM_INTERNAL_ERROR_SIMUL_EX 2
244/* Encounter unexpected vm-exit due to delivery event. */
245#define KVM_INTERNAL_ERROR_DELIVERY_EV 3
246
247/* for KVM_RUN, returned by mmap(vcpu_fd, offset=0) */
248struct kvm_run {
249 /* in */
250 __u8 request_interrupt_window;
251 __u8 immediate_exit;
252 __u8 padding1[6];
253
254 /* out */
255 __u32 exit_reason;
256 __u8 ready_for_interrupt_injection;
257 __u8 if_flag;
258 __u16 flags;
259
260 /* in (pre_kvm_run), out (post_kvm_run) */
261 __u64 cr8;
262 __u64 apic_base;
263
264#ifdef __KVM_S390
265 /* the processor status word for s390 */
266 __u64 psw_mask; /* psw upper half */
267 __u64 psw_addr; /* psw lower half */
268#endif
269 union {
270 /* KVM_EXIT_UNKNOWN */
271 struct {
272 __u64 hardware_exit_reason;
273 } hw;
274 /* KVM_EXIT_FAIL_ENTRY */
275 struct {
276 __u64 hardware_entry_failure_reason;
277 } fail_entry;
278 /* KVM_EXIT_EXCEPTION */
279 struct {
280 __u32 exception;
281 __u32 error_code;
282 } ex;
283 /* KVM_EXIT_IO */
284 struct {
285#define KVM_EXIT_IO_IN 0
286#define KVM_EXIT_IO_OUT 1
287 __u8 direction;
288 __u8 size; /* bytes */
289 __u16 port;
290 __u32 count;
291 __u64 data_offset; /* relative to kvm_run start */
292 } io;
293 /* KVM_EXIT_DEBUG */
294 struct {
295 struct kvm_debug_exit_arch arch;
296 } debug;
297 /* KVM_EXIT_MMIO */
298 struct {
299 __u64 phys_addr;
300 __u8 data[8];
301 __u32 len;
302 __u8 is_write;
303 } mmio;
304 /* KVM_EXIT_HYPERCALL */
305 struct {
306 __u64 nr;
307 __u64 args[6];
308 __u64 ret;
309 __u32 longmode;
310 __u32 pad;
311 } hypercall;
312 /* KVM_EXIT_TPR_ACCESS */
313 struct {
314 __u64 rip;
315 __u32 is_write;
316 __u32 pad;
317 } tpr_access;
318 /* KVM_EXIT_S390_SIEIC */
319 struct {
320 __u8 icptcode;
321 __u16 ipa;
322 __u32 ipb;
323 } s390_sieic;
324 /* KVM_EXIT_S390_RESET */
325#define KVM_S390_RESET_POR 1
326#define KVM_S390_RESET_CLEAR 2
327#define KVM_S390_RESET_SUBSYSTEM 4
328#define KVM_S390_RESET_CPU_INIT 8
329#define KVM_S390_RESET_IPL 16
330 __u64 s390_reset_flags;
331 /* KVM_EXIT_S390_UCONTROL */
332 struct {
333 __u64 trans_exc_code;
334 __u32 pgm_code;
335 } s390_ucontrol;
336 /* KVM_EXIT_DCR (deprecated) */
337 struct {
338 __u32 dcrn;
339 __u32 data;
340 __u8 is_write;
341 } dcr;
342 /* KVM_EXIT_INTERNAL_ERROR */
343 struct {
344 __u32 suberror;
345 /* Available with KVM_CAP_INTERNAL_ERROR_DATA: */
346 __u32 ndata;
347 __u64 data[16];
348 } internal;
349 /* KVM_EXIT_OSI */
350 struct {
351 __u64 gprs[32];
352 } osi;
353 /* KVM_EXIT_PAPR_HCALL */
354 struct {
355 __u64 nr;
356 __u64 ret;
357 __u64 args[9];
358 } papr_hcall;
359 /* KVM_EXIT_S390_TSCH */
360 struct {
361 __u16 subchannel_id;
362 __u16 subchannel_nr;
363 __u32 io_int_parm;
364 __u32 io_int_word;
365 __u32 ipb;
366 __u8 dequeued;
367 } s390_tsch;
368 /* KVM_EXIT_EPR */
369 struct {
370 __u32 epr;
371 } epr;
372 /* KVM_EXIT_SYSTEM_EVENT */
373 struct {
374#define KVM_SYSTEM_EVENT_SHUTDOWN 1
375#define KVM_SYSTEM_EVENT_RESET 2
376#define KVM_SYSTEM_EVENT_CRASH 3
377 __u32 type;
378 __u64 flags;
379 } system_event;
380 /* KVM_EXIT_S390_STSI */
381 struct {
382 __u64 addr;
383 __u8 ar;
384 __u8 reserved;
385 __u8 fc;
386 __u8 sel1;
387 __u16 sel2;
388 } s390_stsi;
389 /* KVM_EXIT_IOAPIC_EOI */
390 struct {
391 __u8 vector;
392 } eoi;
393 /* KVM_EXIT_HYPERV */
394 struct kvm_hyperv_exit hyperv;
395 /* Fix the size of the union. */
396 char padding[256];
397 };
398
399 /* 2048 is the size of the char array used to bound/pad the size
400 * of the union that holds sync regs.
401 */
402 #define SYNC_REGS_SIZE_BYTES 2048
403 /*
404 * shared registers between kvm and userspace.
405 * kvm_valid_regs specifies the register classes set by the host
406 * kvm_dirty_regs specified the register classes dirtied by userspace
407 * struct kvm_sync_regs is architecture specific, as well as the
408 * bits for kvm_valid_regs and kvm_dirty_regs
409 */
410 __u64 kvm_valid_regs;
411 __u64 kvm_dirty_regs;
412 union {
413 struct kvm_sync_regs regs;
414 char padding[SYNC_REGS_SIZE_BYTES];
415 } s;
416};
417
418/* for KVM_REGISTER_COALESCED_MMIO / KVM_UNREGISTER_COALESCED_MMIO */
419
420struct kvm_coalesced_mmio_zone {
421 __u64 addr;
422 __u32 size;
423 union {
424 __u32 pad;
425 __u32 pio;
426 };
427};
428
429struct kvm_coalesced_mmio {
430 __u64 phys_addr;
431 __u32 len;
432 union {
433 __u32 pad;
434 __u32 pio;
435 };
436 __u8 data[8];
437};
438
439struct kvm_coalesced_mmio_ring {
440 __u32 first, last;
441 struct kvm_coalesced_mmio coalesced_mmio[0];
442};
443
444#define KVM_COALESCED_MMIO_MAX \
445 ((PAGE_SIZE - sizeof(struct kvm_coalesced_mmio_ring)) / \
446 sizeof(struct kvm_coalesced_mmio))
447
448/* for KVM_TRANSLATE */
449struct kvm_translation {
450 /* in */
451 __u64 linear_address;
452
453 /* out */
454 __u64 physical_address;
455 __u8 valid;
456 __u8 writeable;
457 __u8 usermode;
458 __u8 pad[5];
459};
460
461/* for KVM_S390_MEM_OP */
462struct kvm_s390_mem_op {
463 /* in */
464 __u64 gaddr; /* the guest address */
465 __u64 flags; /* flags */
466 __u32 size; /* amount of bytes */
467 __u32 op; /* type of operation */
468 __u64 buf; /* buffer in userspace */
469 __u8 ar; /* the access register number */
470 __u8 reserved[31]; /* should be set to 0 */
471};
472/* types for kvm_s390_mem_op->op */
473#define KVM_S390_MEMOP_LOGICAL_READ 0
474#define KVM_S390_MEMOP_LOGICAL_WRITE 1
475/* flags for kvm_s390_mem_op->flags */
476#define KVM_S390_MEMOP_F_CHECK_ONLY (1ULL << 0)
477#define KVM_S390_MEMOP_F_INJECT_EXCEPTION (1ULL << 1)
478
479/* for KVM_INTERRUPT */
480struct kvm_interrupt {
481 /* in */
482 __u32 irq;
483};
484
485/* for KVM_GET_DIRTY_LOG */
486struct kvm_dirty_log {
487 __u32 slot;
488 __u32 padding1;
489 union {
490 void __user *dirty_bitmap; /* one bit per page */
491 __u64 padding2;
492 };
493};
494
495/* for KVM_CLEAR_DIRTY_LOG */
496struct kvm_clear_dirty_log {
497 __u32 slot;
498 __u32 num_pages;
499 __u64 first_page;
500 union {
501 void __user *dirty_bitmap; /* one bit per page */
502 __u64 padding2;
503 };
504};
505
506/* for KVM_SET_SIGNAL_MASK */
507struct kvm_signal_mask {
508 __u32 len;
509 __u8 sigset[0];
510};
511
512/* for KVM_TPR_ACCESS_REPORTING */
513struct kvm_tpr_access_ctl {
514 __u32 enabled;
515 __u32 flags;
516 __u32 reserved[8];
517};
518
519/* for KVM_SET_VAPIC_ADDR */
520struct kvm_vapic_addr {
521 __u64 vapic_addr;
522};
523
524/* for KVM_SET_MP_STATE */
525
526/* not all states are valid on all architectures */
527#define KVM_MP_STATE_RUNNABLE 0
528#define KVM_MP_STATE_UNINITIALIZED 1
529#define KVM_MP_STATE_INIT_RECEIVED 2
530#define KVM_MP_STATE_HALTED 3
531#define KVM_MP_STATE_SIPI_RECEIVED 4
532#define KVM_MP_STATE_STOPPED 5
533#define KVM_MP_STATE_CHECK_STOP 6
534#define KVM_MP_STATE_OPERATING 7
535#define KVM_MP_STATE_LOAD 8
536
537struct kvm_mp_state {
538 __u32 mp_state;
539};
540
541struct kvm_s390_psw {
542 __u64 mask;
543 __u64 addr;
544};
545
546/* valid values for type in kvm_s390_interrupt */
547#define KVM_S390_SIGP_STOP 0xfffe0000u
548#define KVM_S390_PROGRAM_INT 0xfffe0001u
549#define KVM_S390_SIGP_SET_PREFIX 0xfffe0002u
550#define KVM_S390_RESTART 0xfffe0003u
551#define KVM_S390_INT_PFAULT_INIT 0xfffe0004u
552#define KVM_S390_INT_PFAULT_DONE 0xfffe0005u
553#define KVM_S390_MCHK 0xfffe1000u
554#define KVM_S390_INT_CLOCK_COMP 0xffff1004u
555#define KVM_S390_INT_CPU_TIMER 0xffff1005u
556#define KVM_S390_INT_VIRTIO 0xffff2603u
557#define KVM_S390_INT_SERVICE 0xffff2401u
558#define KVM_S390_INT_EMERGENCY 0xffff1201u
559#define KVM_S390_INT_EXTERNAL_CALL 0xffff1202u
560/* Anything below 0xfffe0000u is taken by INT_IO */
561#define KVM_S390_INT_IO(ai,cssid,ssid,schid) \
562 (((schid)) | \
563 ((ssid) << 16) | \
564 ((cssid) << 18) | \
565 ((ai) << 26))
566#define KVM_S390_INT_IO_MIN 0x00000000u
567#define KVM_S390_INT_IO_MAX 0xfffdffffu
568#define KVM_S390_INT_IO_AI_MASK 0x04000000u
569
570
571struct kvm_s390_interrupt {
572 __u32 type;
573 __u32 parm;
574 __u64 parm64;
575};
576
577struct kvm_s390_io_info {
578 __u16 subchannel_id;
579 __u16 subchannel_nr;
580 __u32 io_int_parm;
581 __u32 io_int_word;
582};
583
584struct kvm_s390_ext_info {
585 __u32 ext_params;
586 __u32 pad;
587 __u64 ext_params2;
588};
589
590struct kvm_s390_pgm_info {
591 __u64 trans_exc_code;
592 __u64 mon_code;
593 __u64 per_address;
594 __u32 data_exc_code;
595 __u16 code;
596 __u16 mon_class_nr;
597 __u8 per_code;
598 __u8 per_atmid;
599 __u8 exc_access_id;
600 __u8 per_access_id;
601 __u8 op_access_id;
602#define KVM_S390_PGM_FLAGS_ILC_VALID 0x01
603#define KVM_S390_PGM_FLAGS_ILC_0 0x02
604#define KVM_S390_PGM_FLAGS_ILC_1 0x04
605#define KVM_S390_PGM_FLAGS_ILC_MASK 0x06
606#define KVM_S390_PGM_FLAGS_NO_REWIND 0x08
607 __u8 flags;
608 __u8 pad[2];
609};
610
611struct kvm_s390_prefix_info {
612 __u32 address;
613};
614
615struct kvm_s390_extcall_info {
616 __u16 code;
617};
618
619struct kvm_s390_emerg_info {
620 __u16 code;
621};
622
623#define KVM_S390_STOP_FLAG_STORE_STATUS 0x01
624struct kvm_s390_stop_info {
625 __u32 flags;
626};
627
628struct kvm_s390_mchk_info {
629 __u64 cr14;
630 __u64 mcic;
631 __u64 failing_storage_address;
632 __u32 ext_damage_code;
633 __u32 pad;
634 __u8 fixed_logout[16];
635};
636
637struct kvm_s390_irq {
638 __u64 type;
639 union {
640 struct kvm_s390_io_info io;
641 struct kvm_s390_ext_info ext;
642 struct kvm_s390_pgm_info pgm;
643 struct kvm_s390_emerg_info emerg;
644 struct kvm_s390_extcall_info extcall;
645 struct kvm_s390_prefix_info prefix;
646 struct kvm_s390_stop_info stop;
647 struct kvm_s390_mchk_info mchk;
648 char reserved[64];
649 } u;
650};
651
652struct kvm_s390_irq_state {
653 __u64 buf;
654 __u32 flags; /* will stay unused for compatibility reasons */
655 __u32 len;
656 __u32 reserved[4]; /* will stay unused for compatibility reasons */
657};
658
659/* for KVM_SET_GUEST_DEBUG */
660
661#define KVM_GUESTDBG_ENABLE 0x00000001
662#define KVM_GUESTDBG_SINGLESTEP 0x00000002
663
664struct kvm_guest_debug {
665 __u32 control;
666 __u32 pad;
667 struct kvm_guest_debug_arch arch;
668};
669
670enum {
671 kvm_ioeventfd_flag_nr_datamatch,
672 kvm_ioeventfd_flag_nr_pio,
673 kvm_ioeventfd_flag_nr_deassign,
674 kvm_ioeventfd_flag_nr_virtio_ccw_notify,
675 kvm_ioeventfd_flag_nr_fast_mmio,
676 kvm_ioeventfd_flag_nr_max,
677};
678
679#define KVM_IOEVENTFD_FLAG_DATAMATCH (1 << kvm_ioeventfd_flag_nr_datamatch)
680#define KVM_IOEVENTFD_FLAG_PIO (1 << kvm_ioeventfd_flag_nr_pio)
681#define KVM_IOEVENTFD_FLAG_DEASSIGN (1 << kvm_ioeventfd_flag_nr_deassign)
682#define KVM_IOEVENTFD_FLAG_VIRTIO_CCW_NOTIFY \
683 (1 << kvm_ioeventfd_flag_nr_virtio_ccw_notify)
684
685#define KVM_IOEVENTFD_VALID_FLAG_MASK ((1 << kvm_ioeventfd_flag_nr_max) - 1)
686
687struct kvm_ioeventfd {
688 __u64 datamatch;
689 __u64 addr; /* legal pio/mmio address */
690 __u32 len; /* 1, 2, 4, or 8 bytes; or 0 to ignore length */
691 __s32 fd;
692 __u32 flags;
693 __u8 pad[36];
694};
695
696#define KVM_X86_DISABLE_EXITS_MWAIT (1 << 0)
697#define KVM_X86_DISABLE_EXITS_HLT (1 << 1)
698#define KVM_X86_DISABLE_EXITS_PAUSE (1 << 2)
699#define KVM_X86_DISABLE_VALID_EXITS (KVM_X86_DISABLE_EXITS_MWAIT | \
700 KVM_X86_DISABLE_EXITS_HLT | \
701 KVM_X86_DISABLE_EXITS_PAUSE)
702
703/* for KVM_ENABLE_CAP */
704struct kvm_enable_cap {
705 /* in */
706 __u32 cap;
707 __u32 flags;
708 __u64 args[4];
709 __u8 pad[64];
710};
711
712/* for KVM_PPC_GET_PVINFO */
713
714#define KVM_PPC_PVINFO_FLAGS_EV_IDLE (1<<0)
715
716struct kvm_ppc_pvinfo {
717 /* out */
718 __u32 flags;
719 __u32 hcall[4];
720 __u8 pad[108];
721};
722
723/* for KVM_PPC_GET_SMMU_INFO */
724#define KVM_PPC_PAGE_SIZES_MAX_SZ 8
725
726struct kvm_ppc_one_page_size {
727 __u32 page_shift; /* Page shift (or 0) */
728 __u32 pte_enc; /* Encoding in the HPTE (>>12) */
729};
730
731struct kvm_ppc_one_seg_page_size {
732 __u32 page_shift; /* Base page shift of segment (or 0) */
733 __u32 slb_enc; /* SLB encoding for BookS */
734 struct kvm_ppc_one_page_size enc[KVM_PPC_PAGE_SIZES_MAX_SZ];
735};
736
737#define KVM_PPC_PAGE_SIZES_REAL 0x00000001
738#define KVM_PPC_1T_SEGMENTS 0x00000002
739#define KVM_PPC_NO_HASH 0x00000004
740
741struct kvm_ppc_smmu_info {
742 __u64 flags;
743 __u32 slb_size;
744 __u16 data_keys; /* # storage keys supported for data */
745 __u16 instr_keys; /* # storage keys supported for instructions */
746 struct kvm_ppc_one_seg_page_size sps[KVM_PPC_PAGE_SIZES_MAX_SZ];
747};
748
749/* for KVM_PPC_RESIZE_HPT_{PREPARE,COMMIT} */
750struct kvm_ppc_resize_hpt {
751 __u64 flags;
752 __u32 shift;
753 __u32 pad;
754};
755
756#define KVMIO 0xAE
757
758/* machine type bits, to be used as argument to KVM_CREATE_VM */
759#define KVM_VM_S390_UCONTROL 1
760
761/* on ppc, 0 indicate default, 1 should force HV and 2 PR */
762#define KVM_VM_PPC_HV 1
763#define KVM_VM_PPC_PR 2
764
765/* on MIPS, 0 forces trap & emulate, 1 forces VZ ASE */
766#define KVM_VM_MIPS_TE 0
767#define KVM_VM_MIPS_VZ 1
768
769#define KVM_S390_SIE_PAGE_OFFSET 1
770
771/*
772 * On arm64, machine type can be used to request the physical
773 * address size for the VM. Bits[7-0] are reserved for the guest
774 * PA size shift (i.e, log2(PA_Size)). For backward compatibility,
775 * value 0 implies the default IPA size, 40bits.
776 */
777#define KVM_VM_TYPE_ARM_IPA_SIZE_MASK 0xffULL
778#define KVM_VM_TYPE_ARM_IPA_SIZE(x) \
779 ((x) & KVM_VM_TYPE_ARM_IPA_SIZE_MASK)
780/*
781 * ioctls for /dev/kvm fds:
782 */
783#define KVM_GET_API_VERSION _IO(KVMIO, 0x00)
784#define KVM_CREATE_VM _IO(KVMIO, 0x01) /* returns a VM fd */
785#define KVM_GET_MSR_INDEX_LIST _IOWR(KVMIO, 0x02, struct kvm_msr_list)
786
787#define KVM_S390_ENABLE_SIE _IO(KVMIO, 0x06)
788/*
789 * Check if a kvm extension is available. Argument is extension number,
790 * return is 1 (yes) or 0 (no, sorry).
791 */
792#define KVM_CHECK_EXTENSION _IO(KVMIO, 0x03)
793/*
794 * Get size for mmap(vcpu_fd)
795 */
796#define KVM_GET_VCPU_MMAP_SIZE _IO(KVMIO, 0x04) /* in bytes */
797#define KVM_GET_SUPPORTED_CPUID _IOWR(KVMIO, 0x05, struct kvm_cpuid2)
798#define KVM_TRACE_ENABLE __KVM_DEPRECATED_MAIN_W_0x06
799#define KVM_TRACE_PAUSE __KVM_DEPRECATED_MAIN_0x07
800#define KVM_TRACE_DISABLE __KVM_DEPRECATED_MAIN_0x08
801#define KVM_GET_EMULATED_CPUID _IOWR(KVMIO, 0x09, struct kvm_cpuid2)
802#define KVM_GET_MSR_FEATURE_INDEX_LIST _IOWR(KVMIO, 0x0a, struct kvm_msr_list)
803
804/*
805 * Extension capability list.
806 */
807#define KVM_CAP_IRQCHIP 0
808#define KVM_CAP_HLT 1
809#define KVM_CAP_MMU_SHADOW_CACHE_CONTROL 2
810#define KVM_CAP_USER_MEMORY 3
811#define KVM_CAP_SET_TSS_ADDR 4
812#define KVM_CAP_VAPIC 6
813#define KVM_CAP_EXT_CPUID 7
814#define KVM_CAP_CLOCKSOURCE 8
815#define KVM_CAP_NR_VCPUS 9 /* returns recommended max vcpus per vm */
816#define KVM_CAP_NR_MEMSLOTS 10 /* returns max memory slots per vm */
817#define KVM_CAP_PIT 11
818#define KVM_CAP_NOP_IO_DELAY 12
819#define KVM_CAP_PV_MMU 13
820#define KVM_CAP_MP_STATE 14
821#define KVM_CAP_COALESCED_MMIO 15
822#define KVM_CAP_SYNC_MMU 16 /* Changes to host mmap are reflected in guest */
823#define KVM_CAP_IOMMU 18
824/* Bug in KVM_SET_USER_MEMORY_REGION fixed: */
825#define KVM_CAP_DESTROY_MEMORY_REGION_WORKS 21
826#define KVM_CAP_USER_NMI 22
827#ifdef __KVM_HAVE_GUEST_DEBUG
828#define KVM_CAP_SET_GUEST_DEBUG 23
829#endif
830#ifdef __KVM_HAVE_PIT
831#define KVM_CAP_REINJECT_CONTROL 24
832#endif
833#define KVM_CAP_IRQ_ROUTING 25
834#define KVM_CAP_IRQ_INJECT_STATUS 26
835#define KVM_CAP_ASSIGN_DEV_IRQ 29
836/* Another bug in KVM_SET_USER_MEMORY_REGION fixed: */
837#define KVM_CAP_JOIN_MEMORY_REGIONS_WORKS 30
838#ifdef __KVM_HAVE_MCE
839#define KVM_CAP_MCE 31
840#endif
841#define KVM_CAP_IRQFD 32
842#ifdef __KVM_HAVE_PIT
843#define KVM_CAP_PIT2 33
844#endif
845#define KVM_CAP_SET_BOOT_CPU_ID 34
846#ifdef __KVM_HAVE_PIT_STATE2
847#define KVM_CAP_PIT_STATE2 35
848#endif
849#define KVM_CAP_IOEVENTFD 36
850#define KVM_CAP_SET_IDENTITY_MAP_ADDR 37
851#ifdef __KVM_HAVE_XEN_HVM
852#define KVM_CAP_XEN_HVM 38
853#endif
854#define KVM_CAP_ADJUST_CLOCK 39
855#define KVM_CAP_INTERNAL_ERROR_DATA 40
856#ifdef __KVM_HAVE_VCPU_EVENTS
857#define KVM_CAP_VCPU_EVENTS 41
858#endif
859#define KVM_CAP_S390_PSW 42
860#define KVM_CAP_PPC_SEGSTATE 43
861#define KVM_CAP_HYPERV 44
862#define KVM_CAP_HYPERV_VAPIC 45
863#define KVM_CAP_HYPERV_SPIN 46
864#define KVM_CAP_PCI_SEGMENT 47
865#define KVM_CAP_PPC_PAIRED_SINGLES 48
866#define KVM_CAP_INTR_SHADOW 49
867#ifdef __KVM_HAVE_DEBUGREGS
868#define KVM_CAP_DEBUGREGS 50
869#endif
870#define KVM_CAP_X86_ROBUST_SINGLESTEP 51
871#define KVM_CAP_PPC_OSI 52
872#define KVM_CAP_PPC_UNSET_IRQ 53
873#define KVM_CAP_ENABLE_CAP 54
874#ifdef __KVM_HAVE_XSAVE
875#define KVM_CAP_XSAVE 55
876#endif
877#ifdef __KVM_HAVE_XCRS
878#define KVM_CAP_XCRS 56
879#endif
880#define KVM_CAP_PPC_GET_PVINFO 57
881#define KVM_CAP_PPC_IRQ_LEVEL 58
882#define KVM_CAP_ASYNC_PF 59
883#define KVM_CAP_TSC_CONTROL 60
884#define KVM_CAP_GET_TSC_KHZ 61
885#define KVM_CAP_PPC_BOOKE_SREGS 62
886#define KVM_CAP_SPAPR_TCE 63
887#define KVM_CAP_PPC_SMT 64
888#define KVM_CAP_PPC_RMA 65
889#define KVM_CAP_MAX_VCPUS 66 /* returns max vcpus per vm */
890#define KVM_CAP_PPC_HIOR 67
891#define KVM_CAP_PPC_PAPR 68
892#define KVM_CAP_SW_TLB 69
893#define KVM_CAP_ONE_REG 70
894#define KVM_CAP_S390_GMAP 71
895#define KVM_CAP_TSC_DEADLINE_TIMER 72
896#define KVM_CAP_S390_UCONTROL 73
897#define KVM_CAP_SYNC_REGS 74
898#define KVM_CAP_PCI_2_3 75
899#define KVM_CAP_KVMCLOCK_CTRL 76
900#define KVM_CAP_SIGNAL_MSI 77
901#define KVM_CAP_PPC_GET_SMMU_INFO 78
902#define KVM_CAP_S390_COW 79
903#define KVM_CAP_PPC_ALLOC_HTAB 80
904#define KVM_CAP_READONLY_MEM 81
905#define KVM_CAP_IRQFD_RESAMPLE 82
906#define KVM_CAP_PPC_BOOKE_WATCHDOG 83
907#define KVM_CAP_PPC_HTAB_FD 84
908#define KVM_CAP_S390_CSS_SUPPORT 85
909#define KVM_CAP_PPC_EPR 86
910#define KVM_CAP_ARM_PSCI 87
911#define KVM_CAP_ARM_SET_DEVICE_ADDR 88
912#define KVM_CAP_DEVICE_CTRL 89
913#define KVM_CAP_IRQ_MPIC 90
914#define KVM_CAP_PPC_RTAS 91
915#define KVM_CAP_IRQ_XICS 92
916#define KVM_CAP_ARM_EL1_32BIT 93
917#define KVM_CAP_SPAPR_MULTITCE 94
918#define KVM_CAP_EXT_EMUL_CPUID 95
919#define KVM_CAP_HYPERV_TIME 96
920#define KVM_CAP_IOAPIC_POLARITY_IGNORED 97
921#define KVM_CAP_ENABLE_CAP_VM 98
922#define KVM_CAP_S390_IRQCHIP 99
923#define KVM_CAP_IOEVENTFD_NO_LENGTH 100
924#define KVM_CAP_VM_ATTRIBUTES 101
925#define KVM_CAP_ARM_PSCI_0_2 102
926#define KVM_CAP_PPC_FIXUP_HCALL 103
927#define KVM_CAP_PPC_ENABLE_HCALL 104
928#define KVM_CAP_CHECK_EXTENSION_VM 105
929#define KVM_CAP_S390_USER_SIGP 106
930#define KVM_CAP_S390_VECTOR_REGISTERS 107
931#define KVM_CAP_S390_MEM_OP 108
932#define KVM_CAP_S390_USER_STSI 109
933#define KVM_CAP_S390_SKEYS 110
934#define KVM_CAP_MIPS_FPU 111
935#define KVM_CAP_MIPS_MSA 112
936#define KVM_CAP_S390_INJECT_IRQ 113
937#define KVM_CAP_S390_IRQ_STATE 114
938#define KVM_CAP_PPC_HWRNG 115
939#define KVM_CAP_DISABLE_QUIRKS 116
940#define KVM_CAP_X86_SMM 117
941#define KVM_CAP_MULTI_ADDRESS_SPACE 118
942#define KVM_CAP_GUEST_DEBUG_HW_BPS 119
943#define KVM_CAP_GUEST_DEBUG_HW_WPS 120
944#define KVM_CAP_SPLIT_IRQCHIP 121
945#define KVM_CAP_IOEVENTFD_ANY_LENGTH 122
946#define KVM_CAP_HYPERV_SYNIC 123
947#define KVM_CAP_S390_RI 124
948#define KVM_CAP_SPAPR_TCE_64 125
949#define KVM_CAP_ARM_PMU_V3 126
950#define KVM_CAP_VCPU_ATTRIBUTES 127
951#define KVM_CAP_MAX_VCPU_ID 128
952#define KVM_CAP_X2APIC_API 129
953#define KVM_CAP_S390_USER_INSTR0 130
954#define KVM_CAP_MSI_DEVID 131
955#define KVM_CAP_PPC_HTM 132
956#define KVM_CAP_SPAPR_RESIZE_HPT 133
957#define KVM_CAP_PPC_MMU_RADIX 134
958#define KVM_CAP_PPC_MMU_HASH_V3 135
959#define KVM_CAP_IMMEDIATE_EXIT 136
960#define KVM_CAP_MIPS_VZ 137
961#define KVM_CAP_MIPS_TE 138
962#define KVM_CAP_MIPS_64BIT 139
963#define KVM_CAP_S390_GS 140
964#define KVM_CAP_S390_AIS 141
965#define KVM_CAP_SPAPR_TCE_VFIO 142
966#define KVM_CAP_X86_DISABLE_EXITS 143
967#define KVM_CAP_ARM_USER_IRQ 144
968#define KVM_CAP_S390_CMMA_MIGRATION 145
969#define KVM_CAP_PPC_FWNMI 146
970#define KVM_CAP_PPC_SMT_POSSIBLE 147
971#define KVM_CAP_HYPERV_SYNIC2 148
972#define KVM_CAP_HYPERV_VP_INDEX 149
973#define KVM_CAP_S390_AIS_MIGRATION 150
974#define KVM_CAP_PPC_GET_CPU_CHAR 151
975#define KVM_CAP_S390_BPB 152
976#define KVM_CAP_GET_MSR_FEATURES 153
977#define KVM_CAP_HYPERV_EVENTFD 154
978#define KVM_CAP_HYPERV_TLBFLUSH 155
979#define KVM_CAP_S390_HPAGE_1M 156
980#define KVM_CAP_NESTED_STATE 157
981#define KVM_CAP_ARM_INJECT_SERROR_ESR 158
982#define KVM_CAP_MSR_PLATFORM_INFO 159
983#define KVM_CAP_PPC_NESTED_HV 160
984#define KVM_CAP_HYPERV_SEND_IPI 161
985#define KVM_CAP_COALESCED_PIO 162
986#define KVM_CAP_HYPERV_ENLIGHTENED_VMCS 163
987#define KVM_CAP_EXCEPTION_PAYLOAD 164
988#define KVM_CAP_ARM_VM_IPA_SIZE 165
989#define KVM_CAP_MANUAL_DIRTY_LOG_PROTECT 166
990#define KVM_CAP_HYPERV_CPUID 167
991
992#ifdef KVM_CAP_IRQ_ROUTING
993
994struct kvm_irq_routing_irqchip {
995 __u32 irqchip;
996 __u32 pin;
997};
998
999struct kvm_irq_routing_msi {
1000 __u32 address_lo;
1001 __u32 address_hi;
1002 __u32 data;
1003 union {
1004 __u32 pad;
1005 __u32 devid;
1006 };
1007};
1008
1009struct kvm_irq_routing_s390_adapter {
1010 __u64 ind_addr;
1011 __u64 summary_addr;
1012 __u64 ind_offset;
1013 __u32 summary_offset;
1014 __u32 adapter_id;
1015};
1016
1017struct kvm_irq_routing_hv_sint {
1018 __u32 vcpu;
1019 __u32 sint;
1020};
1021
1022/* gsi routing entry types */
1023#define KVM_IRQ_ROUTING_IRQCHIP 1
1024#define KVM_IRQ_ROUTING_MSI 2
1025#define KVM_IRQ_ROUTING_S390_ADAPTER 3
1026#define KVM_IRQ_ROUTING_HV_SINT 4
1027
1028struct kvm_irq_routing_entry {
1029 __u32 gsi;
1030 __u32 type;
1031 __u32 flags;
1032 __u32 pad;
1033 union {
1034 struct kvm_irq_routing_irqchip irqchip;
1035 struct kvm_irq_routing_msi msi;
1036 struct kvm_irq_routing_s390_adapter adapter;
1037 struct kvm_irq_routing_hv_sint hv_sint;
1038 __u32 pad[8];
1039 } u;
1040};
1041
1042struct kvm_irq_routing {
1043 __u32 nr;
1044 __u32 flags;
1045 struct kvm_irq_routing_entry entries[0];
1046};
1047
1048#endif
1049
1050#ifdef KVM_CAP_MCE
1051/* x86 MCE */
1052struct kvm_x86_mce {
1053 __u64 status;
1054 __u64 addr;
1055 __u64 misc;
1056 __u64 mcg_status;
1057 __u8 bank;
1058 __u8 pad1[7];
1059 __u64 pad2[3];
1060};
1061#endif
1062
1063#ifdef KVM_CAP_XEN_HVM
1064struct kvm_xen_hvm_config {
1065 __u32 flags;
1066 __u32 msr;
1067 __u64 blob_addr_32;
1068 __u64 blob_addr_64;
1069 __u8 blob_size_32;
1070 __u8 blob_size_64;
1071 __u8 pad2[30];
1072};
1073#endif
1074
1075#define KVM_IRQFD_FLAG_DEASSIGN (1 << 0)
1076/*
1077 * Available with KVM_CAP_IRQFD_RESAMPLE
1078 *
1079 * KVM_IRQFD_FLAG_RESAMPLE indicates resamplefd is valid and specifies
1080 * the irqfd to operate in resampling mode for level triggered interrupt
1081 * emulation. See Documentation/virtual/kvm/api.txt.
1082 */
1083#define KVM_IRQFD_FLAG_RESAMPLE (1 << 1)
1084
1085struct kvm_irqfd {
1086 __u32 fd;
1087 __u32 gsi;
1088 __u32 flags;
1089 __u32 resamplefd;
1090 __u8 pad[16];
1091};
1092
1093/* For KVM_CAP_ADJUST_CLOCK */
1094
1095/* Do not use 1, KVM_CHECK_EXTENSION returned it before we had flags. */
1096#define KVM_CLOCK_TSC_STABLE 2
1097
1098struct kvm_clock_data {
1099 __u64 clock;
1100 __u32 flags;
1101 __u32 pad[9];
1102};
1103
1104/* For KVM_CAP_SW_TLB */
1105
1106#define KVM_MMU_FSL_BOOKE_NOHV 0
1107#define KVM_MMU_FSL_BOOKE_HV 1
1108
1109struct kvm_config_tlb {
1110 __u64 params;
1111 __u64 array;
1112 __u32 mmu_type;
1113 __u32 array_len;
1114};
1115
1116struct kvm_dirty_tlb {
1117 __u64 bitmap;
1118 __u32 num_dirty;
1119};
1120
1121/* Available with KVM_CAP_ONE_REG */
1122
1123#define KVM_REG_ARCH_MASK 0xff00000000000000ULL
1124#define KVM_REG_GENERIC 0x0000000000000000ULL
1125
1126/*
1127 * Architecture specific registers are to be defined in arch headers and
1128 * ORed with the arch identifier.
1129 */
1130#define KVM_REG_PPC 0x1000000000000000ULL
1131#define KVM_REG_X86 0x2000000000000000ULL
1132#define KVM_REG_IA64 0x3000000000000000ULL
1133#define KVM_REG_ARM 0x4000000000000000ULL
1134#define KVM_REG_S390 0x5000000000000000ULL
1135#define KVM_REG_ARM64 0x6000000000000000ULL
1136#define KVM_REG_MIPS 0x7000000000000000ULL
1137
1138#define KVM_REG_SIZE_SHIFT 52
1139#define KVM_REG_SIZE_MASK 0x00f0000000000000ULL
1140#define KVM_REG_SIZE_U8 0x0000000000000000ULL
1141#define KVM_REG_SIZE_U16 0x0010000000000000ULL
1142#define KVM_REG_SIZE_U32 0x0020000000000000ULL
1143#define KVM_REG_SIZE_U64 0x0030000000000000ULL
1144#define KVM_REG_SIZE_U128 0x0040000000000000ULL
1145#define KVM_REG_SIZE_U256 0x0050000000000000ULL
1146#define KVM_REG_SIZE_U512 0x0060000000000000ULL
1147#define KVM_REG_SIZE_U1024 0x0070000000000000ULL
1148
1149struct kvm_reg_list {
1150 __u64 n; /* number of regs */
1151 __u64 reg[0];
1152};
1153
1154struct kvm_one_reg {
1155 __u64 id;
1156 __u64 addr;
1157};
1158
1159#define KVM_MSI_VALID_DEVID (1U << 0)
1160struct kvm_msi {
1161 __u32 address_lo;
1162 __u32 address_hi;
1163 __u32 data;
1164 __u32 flags;
1165 __u32 devid;
1166 __u8 pad[12];
1167};
1168
1169struct kvm_arm_device_addr {
1170 __u64 id;
1171 __u64 addr;
1172};
1173
1174/*
1175 * Device control API, available with KVM_CAP_DEVICE_CTRL
1176 */
1177#define KVM_CREATE_DEVICE_TEST 1
1178
1179struct kvm_create_device {
1180 __u32 type; /* in: KVM_DEV_TYPE_xxx */
1181 __u32 fd; /* out: device handle */
1182 __u32 flags; /* in: KVM_CREATE_DEVICE_xxx */
1183};
1184
1185struct kvm_device_attr {
1186 __u32 flags; /* no flags currently defined */
1187 __u32 group; /* device-defined */
1188 __u64 attr; /* group-defined */
1189 __u64 addr; /* userspace address of attr data */
1190};
1191
1192#define KVM_DEV_VFIO_GROUP 1
1193#define KVM_DEV_VFIO_GROUP_ADD 1
1194#define KVM_DEV_VFIO_GROUP_DEL 2
1195#define KVM_DEV_VFIO_GROUP_SET_SPAPR_TCE 3
1196
1197enum kvm_device_type {
1198 KVM_DEV_TYPE_FSL_MPIC_20 = 1,
1199#define KVM_DEV_TYPE_FSL_MPIC_20 KVM_DEV_TYPE_FSL_MPIC_20
1200 KVM_DEV_TYPE_FSL_MPIC_42,
1201#define KVM_DEV_TYPE_FSL_MPIC_42 KVM_DEV_TYPE_FSL_MPIC_42
1202 KVM_DEV_TYPE_XICS,
1203#define KVM_DEV_TYPE_XICS KVM_DEV_TYPE_XICS
1204 KVM_DEV_TYPE_VFIO,
1205#define KVM_DEV_TYPE_VFIO KVM_DEV_TYPE_VFIO
1206 KVM_DEV_TYPE_ARM_VGIC_V2,
1207#define KVM_DEV_TYPE_ARM_VGIC_V2 KVM_DEV_TYPE_ARM_VGIC_V2
1208 KVM_DEV_TYPE_FLIC,
1209#define KVM_DEV_TYPE_FLIC KVM_DEV_TYPE_FLIC
1210 KVM_DEV_TYPE_ARM_VGIC_V3,
1211#define KVM_DEV_TYPE_ARM_VGIC_V3 KVM_DEV_TYPE_ARM_VGIC_V3
1212 KVM_DEV_TYPE_ARM_VGIC_ITS,
1213#define KVM_DEV_TYPE_ARM_VGIC_ITS KVM_DEV_TYPE_ARM_VGIC_ITS
1214 KVM_DEV_TYPE_MAX,
1215};
1216
1217struct kvm_vfio_spapr_tce {
1218 __s32 groupfd;
1219 __s32 tablefd;
1220};
1221
1222/*
1223 * ioctls for VM fds
1224 */
1225#define KVM_SET_MEMORY_REGION _IOW(KVMIO, 0x40, struct kvm_memory_region)
1226/*
1227 * KVM_CREATE_VCPU receives as a parameter the vcpu slot, and returns
1228 * a vcpu fd.
1229 */
1230#define KVM_CREATE_VCPU _IO(KVMIO, 0x41)
1231#define KVM_GET_DIRTY_LOG _IOW(KVMIO, 0x42, struct kvm_dirty_log)
1232/* KVM_SET_MEMORY_ALIAS is obsolete: */
1233#define KVM_SET_MEMORY_ALIAS _IOW(KVMIO, 0x43, struct kvm_memory_alias)
1234#define KVM_SET_NR_MMU_PAGES _IO(KVMIO, 0x44)
1235#define KVM_GET_NR_MMU_PAGES _IO(KVMIO, 0x45)
1236#define KVM_SET_USER_MEMORY_REGION _IOW(KVMIO, 0x46, \
1237 struct kvm_userspace_memory_region)
1238#define KVM_SET_TSS_ADDR _IO(KVMIO, 0x47)
1239#define KVM_SET_IDENTITY_MAP_ADDR _IOW(KVMIO, 0x48, __u64)
1240
1241/* enable ucontrol for s390 */
1242struct kvm_s390_ucas_mapping {
1243 __u64 user_addr;
1244 __u64 vcpu_addr;
1245 __u64 length;
1246};
1247#define KVM_S390_UCAS_MAP _IOW(KVMIO, 0x50, struct kvm_s390_ucas_mapping)
1248#define KVM_S390_UCAS_UNMAP _IOW(KVMIO, 0x51, struct kvm_s390_ucas_mapping)
1249#define KVM_S390_VCPU_FAULT _IOW(KVMIO, 0x52, unsigned long)
1250
1251/* Device model IOC */
1252#define KVM_CREATE_IRQCHIP _IO(KVMIO, 0x60)
1253#define KVM_IRQ_LINE _IOW(KVMIO, 0x61, struct kvm_irq_level)
1254#define KVM_GET_IRQCHIP _IOWR(KVMIO, 0x62, struct kvm_irqchip)
1255#define KVM_SET_IRQCHIP _IOR(KVMIO, 0x63, struct kvm_irqchip)
1256#define KVM_CREATE_PIT _IO(KVMIO, 0x64)
1257#define KVM_GET_PIT _IOWR(KVMIO, 0x65, struct kvm_pit_state)
1258#define KVM_SET_PIT _IOR(KVMIO, 0x66, struct kvm_pit_state)
1259#define KVM_IRQ_LINE_STATUS _IOWR(KVMIO, 0x67, struct kvm_irq_level)
1260#define KVM_REGISTER_COALESCED_MMIO \
1261 _IOW(KVMIO, 0x67, struct kvm_coalesced_mmio_zone)
1262#define KVM_UNREGISTER_COALESCED_MMIO \
1263 _IOW(KVMIO, 0x68, struct kvm_coalesced_mmio_zone)
1264#define KVM_ASSIGN_PCI_DEVICE _IOR(KVMIO, 0x69, \
1265 struct kvm_assigned_pci_dev)
1266#define KVM_SET_GSI_ROUTING _IOW(KVMIO, 0x6a, struct kvm_irq_routing)
1267/* deprecated, replaced by KVM_ASSIGN_DEV_IRQ */
1268#define KVM_ASSIGN_IRQ __KVM_DEPRECATED_VM_R_0x70
1269#define KVM_ASSIGN_DEV_IRQ _IOW(KVMIO, 0x70, struct kvm_assigned_irq)
1270#define KVM_REINJECT_CONTROL _IO(KVMIO, 0x71)
1271#define KVM_DEASSIGN_PCI_DEVICE _IOW(KVMIO, 0x72, \
1272 struct kvm_assigned_pci_dev)
1273#define KVM_ASSIGN_SET_MSIX_NR _IOW(KVMIO, 0x73, \
1274 struct kvm_assigned_msix_nr)
1275#define KVM_ASSIGN_SET_MSIX_ENTRY _IOW(KVMIO, 0x74, \
1276 struct kvm_assigned_msix_entry)
1277#define KVM_DEASSIGN_DEV_IRQ _IOW(KVMIO, 0x75, struct kvm_assigned_irq)
1278#define KVM_IRQFD _IOW(KVMIO, 0x76, struct kvm_irqfd)
1279#define KVM_CREATE_PIT2 _IOW(KVMIO, 0x77, struct kvm_pit_config)
1280#define KVM_SET_BOOT_CPU_ID _IO(KVMIO, 0x78)
1281#define KVM_IOEVENTFD _IOW(KVMIO, 0x79, struct kvm_ioeventfd)
1282#define KVM_XEN_HVM_CONFIG _IOW(KVMIO, 0x7a, struct kvm_xen_hvm_config)
1283#define KVM_SET_CLOCK _IOW(KVMIO, 0x7b, struct kvm_clock_data)
1284#define KVM_GET_CLOCK _IOR(KVMIO, 0x7c, struct kvm_clock_data)
1285/* Available with KVM_CAP_PIT_STATE2 */
1286#define KVM_GET_PIT2 _IOR(KVMIO, 0x9f, struct kvm_pit_state2)
1287#define KVM_SET_PIT2 _IOW(KVMIO, 0xa0, struct kvm_pit_state2)
1288/* Available with KVM_CAP_PPC_GET_PVINFO */
1289#define KVM_PPC_GET_PVINFO _IOW(KVMIO, 0xa1, struct kvm_ppc_pvinfo)
1290/* Available with KVM_CAP_TSC_CONTROL */
1291#define KVM_SET_TSC_KHZ _IO(KVMIO, 0xa2)
1292#define KVM_GET_TSC_KHZ _IO(KVMIO, 0xa3)
1293/* Available with KVM_CAP_PCI_2_3 */
1294#define KVM_ASSIGN_SET_INTX_MASK _IOW(KVMIO, 0xa4, \
1295 struct kvm_assigned_pci_dev)
1296/* Available with KVM_CAP_SIGNAL_MSI */
1297#define KVM_SIGNAL_MSI _IOW(KVMIO, 0xa5, struct kvm_msi)
1298/* Available with KVM_CAP_PPC_GET_SMMU_INFO */
1299#define KVM_PPC_GET_SMMU_INFO _IOR(KVMIO, 0xa6, struct kvm_ppc_smmu_info)
1300/* Available with KVM_CAP_PPC_ALLOC_HTAB */
1301#define KVM_PPC_ALLOCATE_HTAB _IOWR(KVMIO, 0xa7, __u32)
1302#define KVM_CREATE_SPAPR_TCE _IOW(KVMIO, 0xa8, struct kvm_create_spapr_tce)
1303#define KVM_CREATE_SPAPR_TCE_64 _IOW(KVMIO, 0xa8, \
1304 struct kvm_create_spapr_tce_64)
1305/* Available with KVM_CAP_RMA */
1306#define KVM_ALLOCATE_RMA _IOR(KVMIO, 0xa9, struct kvm_allocate_rma)
1307/* Available with KVM_CAP_PPC_HTAB_FD */
1308#define KVM_PPC_GET_HTAB_FD _IOW(KVMIO, 0xaa, struct kvm_get_htab_fd)
1309/* Available with KVM_CAP_ARM_SET_DEVICE_ADDR */
1310#define KVM_ARM_SET_DEVICE_ADDR _IOW(KVMIO, 0xab, struct kvm_arm_device_addr)
1311/* Available with KVM_CAP_PPC_RTAS */
1312#define KVM_PPC_RTAS_DEFINE_TOKEN _IOW(KVMIO, 0xac, struct kvm_rtas_token_args)
1313/* Available with KVM_CAP_SPAPR_RESIZE_HPT */
1314#define KVM_PPC_RESIZE_HPT_PREPARE _IOR(KVMIO, 0xad, struct kvm_ppc_resize_hpt)
1315#define KVM_PPC_RESIZE_HPT_COMMIT _IOR(KVMIO, 0xae, struct kvm_ppc_resize_hpt)
1316/* Available with KVM_CAP_PPC_RADIX_MMU or KVM_CAP_PPC_HASH_MMU_V3 */
1317#define KVM_PPC_CONFIGURE_V3_MMU _IOW(KVMIO, 0xaf, struct kvm_ppc_mmuv3_cfg)
1318/* Available with KVM_CAP_PPC_RADIX_MMU */
1319#define KVM_PPC_GET_RMMU_INFO _IOW(KVMIO, 0xb0, struct kvm_ppc_rmmu_info)
1320/* Available with KVM_CAP_PPC_GET_CPU_CHAR */
1321#define KVM_PPC_GET_CPU_CHAR _IOR(KVMIO, 0xb1, struct kvm_ppc_cpu_char)
1322
1323/* ioctl for vm fd */
1324#define KVM_CREATE_DEVICE _IOWR(KVMIO, 0xe0, struct kvm_create_device)
1325
1326/* ioctls for fds returned by KVM_CREATE_DEVICE */
1327#define KVM_SET_DEVICE_ATTR _IOW(KVMIO, 0xe1, struct kvm_device_attr)
1328#define KVM_GET_DEVICE_ATTR _IOW(KVMIO, 0xe2, struct kvm_device_attr)
1329#define KVM_HAS_DEVICE_ATTR _IOW(KVMIO, 0xe3, struct kvm_device_attr)
1330
1331/*
1332 * ioctls for vcpu fds
1333 */
1334#define KVM_RUN _IO(KVMIO, 0x80)
1335#define KVM_GET_REGS _IOR(KVMIO, 0x81, struct kvm_regs)
1336#define KVM_SET_REGS _IOW(KVMIO, 0x82, struct kvm_regs)
1337#define KVM_GET_SREGS _IOR(KVMIO, 0x83, struct kvm_sregs)
1338#define KVM_SET_SREGS _IOW(KVMIO, 0x84, struct kvm_sregs)
1339#define KVM_TRANSLATE _IOWR(KVMIO, 0x85, struct kvm_translation)
1340#define KVM_INTERRUPT _IOW(KVMIO, 0x86, struct kvm_interrupt)
1341/* KVM_DEBUG_GUEST is no longer supported, use KVM_SET_GUEST_DEBUG instead */
1342#define KVM_DEBUG_GUEST __KVM_DEPRECATED_VCPU_W_0x87
1343#define KVM_GET_MSRS _IOWR(KVMIO, 0x88, struct kvm_msrs)
1344#define KVM_SET_MSRS _IOW(KVMIO, 0x89, struct kvm_msrs)
1345#define KVM_SET_CPUID _IOW(KVMIO, 0x8a, struct kvm_cpuid)
1346#define KVM_SET_SIGNAL_MASK _IOW(KVMIO, 0x8b, struct kvm_signal_mask)
1347#define KVM_GET_FPU _IOR(KVMIO, 0x8c, struct kvm_fpu)
1348#define KVM_SET_FPU _IOW(KVMIO, 0x8d, struct kvm_fpu)
1349#define KVM_GET_LAPIC _IOR(KVMIO, 0x8e, struct kvm_lapic_state)
1350#define KVM_SET_LAPIC _IOW(KVMIO, 0x8f, struct kvm_lapic_state)
1351#define KVM_SET_CPUID2 _IOW(KVMIO, 0x90, struct kvm_cpuid2)
1352#define KVM_GET_CPUID2 _IOWR(KVMIO, 0x91, struct kvm_cpuid2)
1353/* Available with KVM_CAP_VAPIC */
1354#define KVM_TPR_ACCESS_REPORTING _IOWR(KVMIO, 0x92, struct kvm_tpr_access_ctl)
1355/* Available with KVM_CAP_VAPIC */
1356#define KVM_SET_VAPIC_ADDR _IOW(KVMIO, 0x93, struct kvm_vapic_addr)
1357/* valid for virtual machine (for floating interrupt)_and_ vcpu */
1358#define KVM_S390_INTERRUPT _IOW(KVMIO, 0x94, struct kvm_s390_interrupt)
1359/* store status for s390 */
1360#define KVM_S390_STORE_STATUS_NOADDR (-1ul)
1361#define KVM_S390_STORE_STATUS_PREFIXED (-2ul)
1362#define KVM_S390_STORE_STATUS _IOW(KVMIO, 0x95, unsigned long)
1363/* initial ipl psw for s390 */
1364#define KVM_S390_SET_INITIAL_PSW _IOW(KVMIO, 0x96, struct kvm_s390_psw)
1365/* initial reset for s390 */
1366#define KVM_S390_INITIAL_RESET _IO(KVMIO, 0x97)
1367#define KVM_GET_MP_STATE _IOR(KVMIO, 0x98, struct kvm_mp_state)
1368#define KVM_SET_MP_STATE _IOW(KVMIO, 0x99, struct kvm_mp_state)
1369/* Available with KVM_CAP_USER_NMI */
1370#define KVM_NMI _IO(KVMIO, 0x9a)
1371/* Available with KVM_CAP_SET_GUEST_DEBUG */
1372#define KVM_SET_GUEST_DEBUG _IOW(KVMIO, 0x9b, struct kvm_guest_debug)
1373/* MCE for x86 */
1374#define KVM_X86_SETUP_MCE _IOW(KVMIO, 0x9c, __u64)
1375#define KVM_X86_GET_MCE_CAP_SUPPORTED _IOR(KVMIO, 0x9d, __u64)
1376#define KVM_X86_SET_MCE _IOW(KVMIO, 0x9e, struct kvm_x86_mce)
1377/* Available with KVM_CAP_VCPU_EVENTS */
1378#define KVM_GET_VCPU_EVENTS _IOR(KVMIO, 0x9f, struct kvm_vcpu_events)
1379#define KVM_SET_VCPU_EVENTS _IOW(KVMIO, 0xa0, struct kvm_vcpu_events)
1380/* Available with KVM_CAP_DEBUGREGS */
1381#define KVM_GET_DEBUGREGS _IOR(KVMIO, 0xa1, struct kvm_debugregs)
1382#define KVM_SET_DEBUGREGS _IOW(KVMIO, 0xa2, struct kvm_debugregs)
1383/*
1384 * vcpu version available with KVM_ENABLE_CAP
1385 * vm version available with KVM_CAP_ENABLE_CAP_VM
1386 */
1387#define KVM_ENABLE_CAP _IOW(KVMIO, 0xa3, struct kvm_enable_cap)
1388/* Available with KVM_CAP_XSAVE */
1389#define KVM_GET_XSAVE _IOR(KVMIO, 0xa4, struct kvm_xsave)
1390#define KVM_SET_XSAVE _IOW(KVMIO, 0xa5, struct kvm_xsave)
1391/* Available with KVM_CAP_XCRS */
1392#define KVM_GET_XCRS _IOR(KVMIO, 0xa6, struct kvm_xcrs)
1393#define KVM_SET_XCRS _IOW(KVMIO, 0xa7, struct kvm_xcrs)
1394/* Available with KVM_CAP_SW_TLB */
1395#define KVM_DIRTY_TLB _IOW(KVMIO, 0xaa, struct kvm_dirty_tlb)
1396/* Available with KVM_CAP_ONE_REG */
1397#define KVM_GET_ONE_REG _IOW(KVMIO, 0xab, struct kvm_one_reg)
1398#define KVM_SET_ONE_REG _IOW(KVMIO, 0xac, struct kvm_one_reg)
1399/* VM is being stopped by host */
1400#define KVM_KVMCLOCK_CTRL _IO(KVMIO, 0xad)
1401#define KVM_ARM_VCPU_INIT _IOW(KVMIO, 0xae, struct kvm_vcpu_init)
1402#define KVM_ARM_PREFERRED_TARGET _IOR(KVMIO, 0xaf, struct kvm_vcpu_init)
1403#define KVM_GET_REG_LIST _IOWR(KVMIO, 0xb0, struct kvm_reg_list)
1404/* Available with KVM_CAP_S390_MEM_OP */
1405#define KVM_S390_MEM_OP _IOW(KVMIO, 0xb1, struct kvm_s390_mem_op)
1406/* Available with KVM_CAP_S390_SKEYS */
1407#define KVM_S390_GET_SKEYS _IOW(KVMIO, 0xb2, struct kvm_s390_skeys)
1408#define KVM_S390_SET_SKEYS _IOW(KVMIO, 0xb3, struct kvm_s390_skeys)
1409/* Available with KVM_CAP_S390_INJECT_IRQ */
1410#define KVM_S390_IRQ _IOW(KVMIO, 0xb4, struct kvm_s390_irq)
1411/* Available with KVM_CAP_S390_IRQ_STATE */
1412#define KVM_S390_SET_IRQ_STATE _IOW(KVMIO, 0xb5, struct kvm_s390_irq_state)
1413#define KVM_S390_GET_IRQ_STATE _IOW(KVMIO, 0xb6, struct kvm_s390_irq_state)
1414/* Available with KVM_CAP_X86_SMM */
1415#define KVM_SMI _IO(KVMIO, 0xb7)
1416/* Available with KVM_CAP_S390_CMMA_MIGRATION */
1417#define KVM_S390_GET_CMMA_BITS _IOWR(KVMIO, 0xb8, struct kvm_s390_cmma_log)
1418#define KVM_S390_SET_CMMA_BITS _IOW(KVMIO, 0xb9, struct kvm_s390_cmma_log)
1419/* Memory Encryption Commands */
1420#define KVM_MEMORY_ENCRYPT_OP _IOWR(KVMIO, 0xba, unsigned long)
1421
1422struct kvm_enc_region {
1423 __u64 addr;
1424 __u64 size;
1425};
1426
1427#define KVM_MEMORY_ENCRYPT_REG_REGION _IOR(KVMIO, 0xbb, struct kvm_enc_region)
1428#define KVM_MEMORY_ENCRYPT_UNREG_REGION _IOR(KVMIO, 0xbc, struct kvm_enc_region)
1429
1430/* Available with KVM_CAP_HYPERV_EVENTFD */
1431#define KVM_HYPERV_EVENTFD _IOW(KVMIO, 0xbd, struct kvm_hyperv_eventfd)
1432
1433/* Available with KVM_CAP_NESTED_STATE */
1434#define KVM_GET_NESTED_STATE _IOWR(KVMIO, 0xbe, struct kvm_nested_state)
1435#define KVM_SET_NESTED_STATE _IOW(KVMIO, 0xbf, struct kvm_nested_state)
1436
1437/* Available with KVM_CAP_MANUAL_DIRTY_LOG_PROTECT */
1438#define KVM_CLEAR_DIRTY_LOG _IOWR(KVMIO, 0xc0, struct kvm_clear_dirty_log)
1439
1440/* Available with KVM_CAP_HYPERV_CPUID */
1441#define KVM_GET_SUPPORTED_HV_CPUID _IOWR(KVMIO, 0xc1, struct kvm_cpuid2)
1442
1443/* Secure Encrypted Virtualization command */
1444enum sev_cmd_id {
1445 /* Guest initialization commands */
1446 KVM_SEV_INIT = 0,
1447 KVM_SEV_ES_INIT,
1448 /* Guest launch commands */
1449 KVM_SEV_LAUNCH_START,
1450 KVM_SEV_LAUNCH_UPDATE_DATA,
1451 KVM_SEV_LAUNCH_UPDATE_VMSA,
1452 KVM_SEV_LAUNCH_SECRET,
1453 KVM_SEV_LAUNCH_MEASURE,
1454 KVM_SEV_LAUNCH_FINISH,
1455 /* Guest migration commands (outgoing) */
1456 KVM_SEV_SEND_START,
1457 KVM_SEV_SEND_UPDATE_DATA,
1458 KVM_SEV_SEND_UPDATE_VMSA,
1459 KVM_SEV_SEND_FINISH,
1460 /* Guest migration commands (incoming) */
1461 KVM_SEV_RECEIVE_START,
1462 KVM_SEV_RECEIVE_UPDATE_DATA,
1463 KVM_SEV_RECEIVE_UPDATE_VMSA,
1464 KVM_SEV_RECEIVE_FINISH,
1465 /* Guest status and debug commands */
1466 KVM_SEV_GUEST_STATUS,
1467 KVM_SEV_DBG_DECRYPT,
1468 KVM_SEV_DBG_ENCRYPT,
1469 /* Guest certificates commands */
1470 KVM_SEV_CERT_EXPORT,
1471
1472 KVM_SEV_NR_MAX,
1473};
1474
1475struct kvm_sev_cmd {
1476 __u32 id;
1477 __u64 data;
1478 __u32 error;
1479 __u32 sev_fd;
1480};
1481
1482struct kvm_sev_launch_start {
1483 __u32 handle;
1484 __u32 policy;
1485 __u64 dh_uaddr;
1486 __u32 dh_len;
1487 __u64 session_uaddr;
1488 __u32 session_len;
1489};
1490
1491struct kvm_sev_launch_update_data {
1492 __u64 uaddr;
1493 __u32 len;
1494};
1495
1496
1497struct kvm_sev_launch_secret {
1498 __u64 hdr_uaddr;
1499 __u32 hdr_len;
1500 __u64 guest_uaddr;
1501 __u32 guest_len;
1502 __u64 trans_uaddr;
1503 __u32 trans_len;
1504};
1505
1506struct kvm_sev_launch_measure {
1507 __u64 uaddr;
1508 __u32 len;
1509};
1510
1511struct kvm_sev_guest_status {
1512 __u32 handle;
1513 __u32 policy;
1514 __u32 state;
1515};
1516
1517struct kvm_sev_dbg {
1518 __u64 src_uaddr;
1519 __u64 dst_uaddr;
1520 __u32 len;
1521};
1522
1523#define KVM_DEV_ASSIGN_ENABLE_IOMMU (1 << 0)
1524#define KVM_DEV_ASSIGN_PCI_2_3 (1 << 1)
1525#define KVM_DEV_ASSIGN_MASK_INTX (1 << 2)
1526
1527struct kvm_assigned_pci_dev {
1528 __u32 assigned_dev_id;
1529 __u32 busnr;
1530 __u32 devfn;
1531 __u32 flags;
1532 __u32 segnr;
1533 union {
1534 __u32 reserved[11];
1535 };
1536};
1537
1538#define KVM_DEV_IRQ_HOST_INTX (1 << 0)
1539#define KVM_DEV_IRQ_HOST_MSI (1 << 1)
1540#define KVM_DEV_IRQ_HOST_MSIX (1 << 2)
1541
1542#define KVM_DEV_IRQ_GUEST_INTX (1 << 8)
1543#define KVM_DEV_IRQ_GUEST_MSI (1 << 9)
1544#define KVM_DEV_IRQ_GUEST_MSIX (1 << 10)
1545
1546#define KVM_DEV_IRQ_HOST_MASK 0x00ff
1547#define KVM_DEV_IRQ_GUEST_MASK 0xff00
1548
1549struct kvm_assigned_irq {
1550 __u32 assigned_dev_id;
1551 __u32 host_irq; /* ignored (legacy field) */
1552 __u32 guest_irq;
1553 __u32 flags;
1554 union {
1555 __u32 reserved[12];
1556 };
1557};
1558
1559struct kvm_assigned_msix_nr {
1560 __u32 assigned_dev_id;
1561 __u16 entry_nr;
1562 __u16 padding;
1563};
1564
1565#define KVM_MAX_MSIX_PER_DEV 256
1566struct kvm_assigned_msix_entry {
1567 __u32 assigned_dev_id;
1568 __u32 gsi;
1569 __u16 entry; /* The index of entry in the MSI-X table */
1570 __u16 padding[3];
1571};
1572
1573#define KVM_X2APIC_API_USE_32BIT_IDS (1ULL << 0)
1574#define KVM_X2APIC_API_DISABLE_BROADCAST_QUIRK (1ULL << 1)
1575
1576/* Available with KVM_CAP_ARM_USER_IRQ */
1577
1578/* Bits for run->s.regs.device_irq_level */
1579#define KVM_ARM_DEV_EL1_VTIMER (1 << 0)
1580#define KVM_ARM_DEV_EL1_PTIMER (1 << 1)
1581#define KVM_ARM_DEV_PMU (1 << 2)
1582
1583struct kvm_hyperv_eventfd {
1584 __u32 conn_id;
1585 __s32 fd;
1586 __u32 flags;
1587 __u32 padding[3];
1588};
1589
1590#define KVM_HYPERV_CONN_ID_MASK 0x00ffffff
1591#define KVM_HYPERV_EVENTFD_DEASSIGN (1 << 0)
1592
1593#endif /* __LINUX_KVM_H */