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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_SET_SIGNAL_MASK */
496struct kvm_signal_mask {
497 __u32 len;
498 __u8 sigset[0];
499};
500
501/* for KVM_TPR_ACCESS_REPORTING */
502struct kvm_tpr_access_ctl {
503 __u32 enabled;
504 __u32 flags;
505 __u32 reserved[8];
506};
507
508/* for KVM_SET_VAPIC_ADDR */
509struct kvm_vapic_addr {
510 __u64 vapic_addr;
511};
512
513/* for KVM_SET_MP_STATE */
514
515/* not all states are valid on all architectures */
516#define KVM_MP_STATE_RUNNABLE 0
517#define KVM_MP_STATE_UNINITIALIZED 1
518#define KVM_MP_STATE_INIT_RECEIVED 2
519#define KVM_MP_STATE_HALTED 3
520#define KVM_MP_STATE_SIPI_RECEIVED 4
521#define KVM_MP_STATE_STOPPED 5
522#define KVM_MP_STATE_CHECK_STOP 6
523#define KVM_MP_STATE_OPERATING 7
524#define KVM_MP_STATE_LOAD 8
525
526struct kvm_mp_state {
527 __u32 mp_state;
528};
529
530struct kvm_s390_psw {
531 __u64 mask;
532 __u64 addr;
533};
534
535/* valid values for type in kvm_s390_interrupt */
536#define KVM_S390_SIGP_STOP 0xfffe0000u
537#define KVM_S390_PROGRAM_INT 0xfffe0001u
538#define KVM_S390_SIGP_SET_PREFIX 0xfffe0002u
539#define KVM_S390_RESTART 0xfffe0003u
540#define KVM_S390_INT_PFAULT_INIT 0xfffe0004u
541#define KVM_S390_INT_PFAULT_DONE 0xfffe0005u
542#define KVM_S390_MCHK 0xfffe1000u
543#define KVM_S390_INT_CLOCK_COMP 0xffff1004u
544#define KVM_S390_INT_CPU_TIMER 0xffff1005u
545#define KVM_S390_INT_VIRTIO 0xffff2603u
546#define KVM_S390_INT_SERVICE 0xffff2401u
547#define KVM_S390_INT_EMERGENCY 0xffff1201u
548#define KVM_S390_INT_EXTERNAL_CALL 0xffff1202u
549/* Anything below 0xfffe0000u is taken by INT_IO */
550#define KVM_S390_INT_IO(ai,cssid,ssid,schid) \
551 (((schid)) | \
552 ((ssid) << 16) | \
553 ((cssid) << 18) | \
554 ((ai) << 26))
555#define KVM_S390_INT_IO_MIN 0x00000000u
556#define KVM_S390_INT_IO_MAX 0xfffdffffu
557#define KVM_S390_INT_IO_AI_MASK 0x04000000u
558
559
560struct kvm_s390_interrupt {
561 __u32 type;
562 __u32 parm;
563 __u64 parm64;
564};
565
566struct kvm_s390_io_info {
567 __u16 subchannel_id;
568 __u16 subchannel_nr;
569 __u32 io_int_parm;
570 __u32 io_int_word;
571};
572
573struct kvm_s390_ext_info {
574 __u32 ext_params;
575 __u32 pad;
576 __u64 ext_params2;
577};
578
579struct kvm_s390_pgm_info {
580 __u64 trans_exc_code;
581 __u64 mon_code;
582 __u64 per_address;
583 __u32 data_exc_code;
584 __u16 code;
585 __u16 mon_class_nr;
586 __u8 per_code;
587 __u8 per_atmid;
588 __u8 exc_access_id;
589 __u8 per_access_id;
590 __u8 op_access_id;
591#define KVM_S390_PGM_FLAGS_ILC_VALID 0x01
592#define KVM_S390_PGM_FLAGS_ILC_0 0x02
593#define KVM_S390_PGM_FLAGS_ILC_1 0x04
594#define KVM_S390_PGM_FLAGS_ILC_MASK 0x06
595#define KVM_S390_PGM_FLAGS_NO_REWIND 0x08
596 __u8 flags;
597 __u8 pad[2];
598};
599
600struct kvm_s390_prefix_info {
601 __u32 address;
602};
603
604struct kvm_s390_extcall_info {
605 __u16 code;
606};
607
608struct kvm_s390_emerg_info {
609 __u16 code;
610};
611
612#define KVM_S390_STOP_FLAG_STORE_STATUS 0x01
613struct kvm_s390_stop_info {
614 __u32 flags;
615};
616
617struct kvm_s390_mchk_info {
618 __u64 cr14;
619 __u64 mcic;
620 __u64 failing_storage_address;
621 __u32 ext_damage_code;
622 __u32 pad;
623 __u8 fixed_logout[16];
624};
625
626struct kvm_s390_irq {
627 __u64 type;
628 union {
629 struct kvm_s390_io_info io;
630 struct kvm_s390_ext_info ext;
631 struct kvm_s390_pgm_info pgm;
632 struct kvm_s390_emerg_info emerg;
633 struct kvm_s390_extcall_info extcall;
634 struct kvm_s390_prefix_info prefix;
635 struct kvm_s390_stop_info stop;
636 struct kvm_s390_mchk_info mchk;
637 char reserved[64];
638 } u;
639};
640
641struct kvm_s390_irq_state {
642 __u64 buf;
643 __u32 flags; /* will stay unused for compatibility reasons */
644 __u32 len;
645 __u32 reserved[4]; /* will stay unused for compatibility reasons */
646};
647
648/* for KVM_SET_GUEST_DEBUG */
649
650#define KVM_GUESTDBG_ENABLE 0x00000001
651#define KVM_GUESTDBG_SINGLESTEP 0x00000002
652
653struct kvm_guest_debug {
654 __u32 control;
655 __u32 pad;
656 struct kvm_guest_debug_arch arch;
657};
658
659enum {
660 kvm_ioeventfd_flag_nr_datamatch,
661 kvm_ioeventfd_flag_nr_pio,
662 kvm_ioeventfd_flag_nr_deassign,
663 kvm_ioeventfd_flag_nr_virtio_ccw_notify,
664 kvm_ioeventfd_flag_nr_fast_mmio,
665 kvm_ioeventfd_flag_nr_max,
666};
667
668#define KVM_IOEVENTFD_FLAG_DATAMATCH (1 << kvm_ioeventfd_flag_nr_datamatch)
669#define KVM_IOEVENTFD_FLAG_PIO (1 << kvm_ioeventfd_flag_nr_pio)
670#define KVM_IOEVENTFD_FLAG_DEASSIGN (1 << kvm_ioeventfd_flag_nr_deassign)
671#define KVM_IOEVENTFD_FLAG_VIRTIO_CCW_NOTIFY \
672 (1 << kvm_ioeventfd_flag_nr_virtio_ccw_notify)
673
674#define KVM_IOEVENTFD_VALID_FLAG_MASK ((1 << kvm_ioeventfd_flag_nr_max) - 1)
675
676struct kvm_ioeventfd {
677 __u64 datamatch;
678 __u64 addr; /* legal pio/mmio address */
679 __u32 len; /* 1, 2, 4, or 8 bytes; or 0 to ignore length */
680 __s32 fd;
681 __u32 flags;
682 __u8 pad[36];
683};
684
685#define KVM_X86_DISABLE_EXITS_MWAIT (1 << 0)
686#define KVM_X86_DISABLE_EXITS_HLT (1 << 1)
687#define KVM_X86_DISABLE_EXITS_PAUSE (1 << 2)
688#define KVM_X86_DISABLE_VALID_EXITS (KVM_X86_DISABLE_EXITS_MWAIT | \
689 KVM_X86_DISABLE_EXITS_HLT | \
690 KVM_X86_DISABLE_EXITS_PAUSE)
691
692/* for KVM_ENABLE_CAP */
693struct kvm_enable_cap {
694 /* in */
695 __u32 cap;
696 __u32 flags;
697 __u64 args[4];
698 __u8 pad[64];
699};
700
701/* for KVM_PPC_GET_PVINFO */
702
703#define KVM_PPC_PVINFO_FLAGS_EV_IDLE (1<<0)
704
705struct kvm_ppc_pvinfo {
706 /* out */
707 __u32 flags;
708 __u32 hcall[4];
709 __u8 pad[108];
710};
711
712/* for KVM_PPC_GET_SMMU_INFO */
713#define KVM_PPC_PAGE_SIZES_MAX_SZ 8
714
715struct kvm_ppc_one_page_size {
716 __u32 page_shift; /* Page shift (or 0) */
717 __u32 pte_enc; /* Encoding in the HPTE (>>12) */
718};
719
720struct kvm_ppc_one_seg_page_size {
721 __u32 page_shift; /* Base page shift of segment (or 0) */
722 __u32 slb_enc; /* SLB encoding for BookS */
723 struct kvm_ppc_one_page_size enc[KVM_PPC_PAGE_SIZES_MAX_SZ];
724};
725
726#define KVM_PPC_PAGE_SIZES_REAL 0x00000001
727#define KVM_PPC_1T_SEGMENTS 0x00000002
728#define KVM_PPC_NO_HASH 0x00000004
729
730struct kvm_ppc_smmu_info {
731 __u64 flags;
732 __u32 slb_size;
733 __u16 data_keys; /* # storage keys supported for data */
734 __u16 instr_keys; /* # storage keys supported for instructions */
735 struct kvm_ppc_one_seg_page_size sps[KVM_PPC_PAGE_SIZES_MAX_SZ];
736};
737
738/* for KVM_PPC_RESIZE_HPT_{PREPARE,COMMIT} */
739struct kvm_ppc_resize_hpt {
740 __u64 flags;
741 __u32 shift;
742 __u32 pad;
743};
744
745#define KVMIO 0xAE
746
747/* machine type bits, to be used as argument to KVM_CREATE_VM */
748#define KVM_VM_S390_UCONTROL 1
749
750/* on ppc, 0 indicate default, 1 should force HV and 2 PR */
751#define KVM_VM_PPC_HV 1
752#define KVM_VM_PPC_PR 2
753
754/* on MIPS, 0 forces trap & emulate, 1 forces VZ ASE */
755#define KVM_VM_MIPS_TE 0
756#define KVM_VM_MIPS_VZ 1
757
758#define KVM_S390_SIE_PAGE_OFFSET 1
759
760/*
761 * On arm64, machine type can be used to request the physical
762 * address size for the VM. Bits[7-0] are reserved for the guest
763 * PA size shift (i.e, log2(PA_Size)). For backward compatibility,
764 * value 0 implies the default IPA size, 40bits.
765 */
766#define KVM_VM_TYPE_ARM_IPA_SIZE_MASK 0xffULL
767#define KVM_VM_TYPE_ARM_IPA_SIZE(x) \
768 ((x) & KVM_VM_TYPE_ARM_IPA_SIZE_MASK)
769/*
770 * ioctls for /dev/kvm fds:
771 */
772#define KVM_GET_API_VERSION _IO(KVMIO, 0x00)
773#define KVM_CREATE_VM _IO(KVMIO, 0x01) /* returns a VM fd */
774#define KVM_GET_MSR_INDEX_LIST _IOWR(KVMIO, 0x02, struct kvm_msr_list)
775
776#define KVM_S390_ENABLE_SIE _IO(KVMIO, 0x06)
777/*
778 * Check if a kvm extension is available. Argument is extension number,
779 * return is 1 (yes) or 0 (no, sorry).
780 */
781#define KVM_CHECK_EXTENSION _IO(KVMIO, 0x03)
782/*
783 * Get size for mmap(vcpu_fd)
784 */
785#define KVM_GET_VCPU_MMAP_SIZE _IO(KVMIO, 0x04) /* in bytes */
786#define KVM_GET_SUPPORTED_CPUID _IOWR(KVMIO, 0x05, struct kvm_cpuid2)
787#define KVM_TRACE_ENABLE __KVM_DEPRECATED_MAIN_W_0x06
788#define KVM_TRACE_PAUSE __KVM_DEPRECATED_MAIN_0x07
789#define KVM_TRACE_DISABLE __KVM_DEPRECATED_MAIN_0x08
790#define KVM_GET_EMULATED_CPUID _IOWR(KVMIO, 0x09, struct kvm_cpuid2)
791#define KVM_GET_MSR_FEATURE_INDEX_LIST _IOWR(KVMIO, 0x0a, struct kvm_msr_list)
792
793/*
794 * Extension capability list.
795 */
796#define KVM_CAP_IRQCHIP 0
797#define KVM_CAP_HLT 1
798#define KVM_CAP_MMU_SHADOW_CACHE_CONTROL 2
799#define KVM_CAP_USER_MEMORY 3
800#define KVM_CAP_SET_TSS_ADDR 4
801#define KVM_CAP_VAPIC 6
802#define KVM_CAP_EXT_CPUID 7
803#define KVM_CAP_CLOCKSOURCE 8
804#define KVM_CAP_NR_VCPUS 9 /* returns recommended max vcpus per vm */
805#define KVM_CAP_NR_MEMSLOTS 10 /* returns max memory slots per vm */
806#define KVM_CAP_PIT 11
807#define KVM_CAP_NOP_IO_DELAY 12
808#define KVM_CAP_PV_MMU 13
809#define KVM_CAP_MP_STATE 14
810#define KVM_CAP_COALESCED_MMIO 15
811#define KVM_CAP_SYNC_MMU 16 /* Changes to host mmap are reflected in guest */
812#define KVM_CAP_IOMMU 18
813/* Bug in KVM_SET_USER_MEMORY_REGION fixed: */
814#define KVM_CAP_DESTROY_MEMORY_REGION_WORKS 21
815#define KVM_CAP_USER_NMI 22
816#ifdef __KVM_HAVE_GUEST_DEBUG
817#define KVM_CAP_SET_GUEST_DEBUG 23
818#endif
819#ifdef __KVM_HAVE_PIT
820#define KVM_CAP_REINJECT_CONTROL 24
821#endif
822#define KVM_CAP_IRQ_ROUTING 25
823#define KVM_CAP_IRQ_INJECT_STATUS 26
824#define KVM_CAP_ASSIGN_DEV_IRQ 29
825/* Another bug in KVM_SET_USER_MEMORY_REGION fixed: */
826#define KVM_CAP_JOIN_MEMORY_REGIONS_WORKS 30
827#ifdef __KVM_HAVE_MCE
828#define KVM_CAP_MCE 31
829#endif
830#define KVM_CAP_IRQFD 32
831#ifdef __KVM_HAVE_PIT
832#define KVM_CAP_PIT2 33
833#endif
834#define KVM_CAP_SET_BOOT_CPU_ID 34
835#ifdef __KVM_HAVE_PIT_STATE2
836#define KVM_CAP_PIT_STATE2 35
837#endif
838#define KVM_CAP_IOEVENTFD 36
839#define KVM_CAP_SET_IDENTITY_MAP_ADDR 37
840#ifdef __KVM_HAVE_XEN_HVM
841#define KVM_CAP_XEN_HVM 38
842#endif
843#define KVM_CAP_ADJUST_CLOCK 39
844#define KVM_CAP_INTERNAL_ERROR_DATA 40
845#ifdef __KVM_HAVE_VCPU_EVENTS
846#define KVM_CAP_VCPU_EVENTS 41
847#endif
848#define KVM_CAP_S390_PSW 42
849#define KVM_CAP_PPC_SEGSTATE 43
850#define KVM_CAP_HYPERV 44
851#define KVM_CAP_HYPERV_VAPIC 45
852#define KVM_CAP_HYPERV_SPIN 46
853#define KVM_CAP_PCI_SEGMENT 47
854#define KVM_CAP_PPC_PAIRED_SINGLES 48
855#define KVM_CAP_INTR_SHADOW 49
856#ifdef __KVM_HAVE_DEBUGREGS
857#define KVM_CAP_DEBUGREGS 50
858#endif
859#define KVM_CAP_X86_ROBUST_SINGLESTEP 51
860#define KVM_CAP_PPC_OSI 52
861#define KVM_CAP_PPC_UNSET_IRQ 53
862#define KVM_CAP_ENABLE_CAP 54
863#ifdef __KVM_HAVE_XSAVE
864#define KVM_CAP_XSAVE 55
865#endif
866#ifdef __KVM_HAVE_XCRS
867#define KVM_CAP_XCRS 56
868#endif
869#define KVM_CAP_PPC_GET_PVINFO 57
870#define KVM_CAP_PPC_IRQ_LEVEL 58
871#define KVM_CAP_ASYNC_PF 59
872#define KVM_CAP_TSC_CONTROL 60
873#define KVM_CAP_GET_TSC_KHZ 61
874#define KVM_CAP_PPC_BOOKE_SREGS 62
875#define KVM_CAP_SPAPR_TCE 63
876#define KVM_CAP_PPC_SMT 64
877#define KVM_CAP_PPC_RMA 65
878#define KVM_CAP_MAX_VCPUS 66 /* returns max vcpus per vm */
879#define KVM_CAP_PPC_HIOR 67
880#define KVM_CAP_PPC_PAPR 68
881#define KVM_CAP_SW_TLB 69
882#define KVM_CAP_ONE_REG 70
883#define KVM_CAP_S390_GMAP 71
884#define KVM_CAP_TSC_DEADLINE_TIMER 72
885#define KVM_CAP_S390_UCONTROL 73
886#define KVM_CAP_SYNC_REGS 74
887#define KVM_CAP_PCI_2_3 75
888#define KVM_CAP_KVMCLOCK_CTRL 76
889#define KVM_CAP_SIGNAL_MSI 77
890#define KVM_CAP_PPC_GET_SMMU_INFO 78
891#define KVM_CAP_S390_COW 79
892#define KVM_CAP_PPC_ALLOC_HTAB 80
893#define KVM_CAP_READONLY_MEM 81
894#define KVM_CAP_IRQFD_RESAMPLE 82
895#define KVM_CAP_PPC_BOOKE_WATCHDOG 83
896#define KVM_CAP_PPC_HTAB_FD 84
897#define KVM_CAP_S390_CSS_SUPPORT 85
898#define KVM_CAP_PPC_EPR 86
899#define KVM_CAP_ARM_PSCI 87
900#define KVM_CAP_ARM_SET_DEVICE_ADDR 88
901#define KVM_CAP_DEVICE_CTRL 89
902#define KVM_CAP_IRQ_MPIC 90
903#define KVM_CAP_PPC_RTAS 91
904#define KVM_CAP_IRQ_XICS 92
905#define KVM_CAP_ARM_EL1_32BIT 93
906#define KVM_CAP_SPAPR_MULTITCE 94
907#define KVM_CAP_EXT_EMUL_CPUID 95
908#define KVM_CAP_HYPERV_TIME 96
909#define KVM_CAP_IOAPIC_POLARITY_IGNORED 97
910#define KVM_CAP_ENABLE_CAP_VM 98
911#define KVM_CAP_S390_IRQCHIP 99
912#define KVM_CAP_IOEVENTFD_NO_LENGTH 100
913#define KVM_CAP_VM_ATTRIBUTES 101
914#define KVM_CAP_ARM_PSCI_0_2 102
915#define KVM_CAP_PPC_FIXUP_HCALL 103
916#define KVM_CAP_PPC_ENABLE_HCALL 104
917#define KVM_CAP_CHECK_EXTENSION_VM 105
918#define KVM_CAP_S390_USER_SIGP 106
919#define KVM_CAP_S390_VECTOR_REGISTERS 107
920#define KVM_CAP_S390_MEM_OP 108
921#define KVM_CAP_S390_USER_STSI 109
922#define KVM_CAP_S390_SKEYS 110
923#define KVM_CAP_MIPS_FPU 111
924#define KVM_CAP_MIPS_MSA 112
925#define KVM_CAP_S390_INJECT_IRQ 113
926#define KVM_CAP_S390_IRQ_STATE 114
927#define KVM_CAP_PPC_HWRNG 115
928#define KVM_CAP_DISABLE_QUIRKS 116
929#define KVM_CAP_X86_SMM 117
930#define KVM_CAP_MULTI_ADDRESS_SPACE 118
931#define KVM_CAP_GUEST_DEBUG_HW_BPS 119
932#define KVM_CAP_GUEST_DEBUG_HW_WPS 120
933#define KVM_CAP_SPLIT_IRQCHIP 121
934#define KVM_CAP_IOEVENTFD_ANY_LENGTH 122
935#define KVM_CAP_HYPERV_SYNIC 123
936#define KVM_CAP_S390_RI 124
937#define KVM_CAP_SPAPR_TCE_64 125
938#define KVM_CAP_ARM_PMU_V3 126
939#define KVM_CAP_VCPU_ATTRIBUTES 127
940#define KVM_CAP_MAX_VCPU_ID 128
941#define KVM_CAP_X2APIC_API 129
942#define KVM_CAP_S390_USER_INSTR0 130
943#define KVM_CAP_MSI_DEVID 131
944#define KVM_CAP_PPC_HTM 132
945#define KVM_CAP_SPAPR_RESIZE_HPT 133
946#define KVM_CAP_PPC_MMU_RADIX 134
947#define KVM_CAP_PPC_MMU_HASH_V3 135
948#define KVM_CAP_IMMEDIATE_EXIT 136
949#define KVM_CAP_MIPS_VZ 137
950#define KVM_CAP_MIPS_TE 138
951#define KVM_CAP_MIPS_64BIT 139
952#define KVM_CAP_S390_GS 140
953#define KVM_CAP_S390_AIS 141
954#define KVM_CAP_SPAPR_TCE_VFIO 142
955#define KVM_CAP_X86_DISABLE_EXITS 143
956#define KVM_CAP_ARM_USER_IRQ 144
957#define KVM_CAP_S390_CMMA_MIGRATION 145
958#define KVM_CAP_PPC_FWNMI 146
959#define KVM_CAP_PPC_SMT_POSSIBLE 147
960#define KVM_CAP_HYPERV_SYNIC2 148
961#define KVM_CAP_HYPERV_VP_INDEX 149
962#define KVM_CAP_S390_AIS_MIGRATION 150
963#define KVM_CAP_PPC_GET_CPU_CHAR 151
964#define KVM_CAP_S390_BPB 152
965#define KVM_CAP_GET_MSR_FEATURES 153
966#define KVM_CAP_HYPERV_EVENTFD 154
967#define KVM_CAP_HYPERV_TLBFLUSH 155
968#define KVM_CAP_S390_HPAGE_1M 156
969#define KVM_CAP_NESTED_STATE 157
970#define KVM_CAP_ARM_INJECT_SERROR_ESR 158
971#define KVM_CAP_MSR_PLATFORM_INFO 159
972#define KVM_CAP_PPC_NESTED_HV 160
973#define KVM_CAP_HYPERV_SEND_IPI 161
974#define KVM_CAP_COALESCED_PIO 162
975#define KVM_CAP_HYPERV_ENLIGHTENED_VMCS 163
976#define KVM_CAP_EXCEPTION_PAYLOAD 164
977#define KVM_CAP_ARM_VM_IPA_SIZE 165
978
979#ifdef KVM_CAP_IRQ_ROUTING
980
981struct kvm_irq_routing_irqchip {
982 __u32 irqchip;
983 __u32 pin;
984};
985
986struct kvm_irq_routing_msi {
987 __u32 address_lo;
988 __u32 address_hi;
989 __u32 data;
990 union {
991 __u32 pad;
992 __u32 devid;
993 };
994};
995
996struct kvm_irq_routing_s390_adapter {
997 __u64 ind_addr;
998 __u64 summary_addr;
999 __u64 ind_offset;
1000 __u32 summary_offset;
1001 __u32 adapter_id;
1002};
1003
1004struct kvm_irq_routing_hv_sint {
1005 __u32 vcpu;
1006 __u32 sint;
1007};
1008
1009/* gsi routing entry types */
1010#define KVM_IRQ_ROUTING_IRQCHIP 1
1011#define KVM_IRQ_ROUTING_MSI 2
1012#define KVM_IRQ_ROUTING_S390_ADAPTER 3
1013#define KVM_IRQ_ROUTING_HV_SINT 4
1014
1015struct kvm_irq_routing_entry {
1016 __u32 gsi;
1017 __u32 type;
1018 __u32 flags;
1019 __u32 pad;
1020 union {
1021 struct kvm_irq_routing_irqchip irqchip;
1022 struct kvm_irq_routing_msi msi;
1023 struct kvm_irq_routing_s390_adapter adapter;
1024 struct kvm_irq_routing_hv_sint hv_sint;
1025 __u32 pad[8];
1026 } u;
1027};
1028
1029struct kvm_irq_routing {
1030 __u32 nr;
1031 __u32 flags;
1032 struct kvm_irq_routing_entry entries[0];
1033};
1034
1035#endif
1036
1037#ifdef KVM_CAP_MCE
1038/* x86 MCE */
1039struct kvm_x86_mce {
1040 __u64 status;
1041 __u64 addr;
1042 __u64 misc;
1043 __u64 mcg_status;
1044 __u8 bank;
1045 __u8 pad1[7];
1046 __u64 pad2[3];
1047};
1048#endif
1049
1050#ifdef KVM_CAP_XEN_HVM
1051struct kvm_xen_hvm_config {
1052 __u32 flags;
1053 __u32 msr;
1054 __u64 blob_addr_32;
1055 __u64 blob_addr_64;
1056 __u8 blob_size_32;
1057 __u8 blob_size_64;
1058 __u8 pad2[30];
1059};
1060#endif
1061
1062#define KVM_IRQFD_FLAG_DEASSIGN (1 << 0)
1063/*
1064 * Available with KVM_CAP_IRQFD_RESAMPLE
1065 *
1066 * KVM_IRQFD_FLAG_RESAMPLE indicates resamplefd is valid and specifies
1067 * the irqfd to operate in resampling mode for level triggered interrupt
1068 * emulation. See Documentation/virtual/kvm/api.txt.
1069 */
1070#define KVM_IRQFD_FLAG_RESAMPLE (1 << 1)
1071
1072struct kvm_irqfd {
1073 __u32 fd;
1074 __u32 gsi;
1075 __u32 flags;
1076 __u32 resamplefd;
1077 __u8 pad[16];
1078};
1079
1080/* For KVM_CAP_ADJUST_CLOCK */
1081
1082/* Do not use 1, KVM_CHECK_EXTENSION returned it before we had flags. */
1083#define KVM_CLOCK_TSC_STABLE 2
1084
1085struct kvm_clock_data {
1086 __u64 clock;
1087 __u32 flags;
1088 __u32 pad[9];
1089};
1090
1091/* For KVM_CAP_SW_TLB */
1092
1093#define KVM_MMU_FSL_BOOKE_NOHV 0
1094#define KVM_MMU_FSL_BOOKE_HV 1
1095
1096struct kvm_config_tlb {
1097 __u64 params;
1098 __u64 array;
1099 __u32 mmu_type;
1100 __u32 array_len;
1101};
1102
1103struct kvm_dirty_tlb {
1104 __u64 bitmap;
1105 __u32 num_dirty;
1106};
1107
1108/* Available with KVM_CAP_ONE_REG */
1109
1110#define KVM_REG_ARCH_MASK 0xff00000000000000ULL
1111#define KVM_REG_GENERIC 0x0000000000000000ULL
1112
1113/*
1114 * Architecture specific registers are to be defined in arch headers and
1115 * ORed with the arch identifier.
1116 */
1117#define KVM_REG_PPC 0x1000000000000000ULL
1118#define KVM_REG_X86 0x2000000000000000ULL
1119#define KVM_REG_IA64 0x3000000000000000ULL
1120#define KVM_REG_ARM 0x4000000000000000ULL
1121#define KVM_REG_S390 0x5000000000000000ULL
1122#define KVM_REG_ARM64 0x6000000000000000ULL
1123#define KVM_REG_MIPS 0x7000000000000000ULL
1124
1125#define KVM_REG_SIZE_SHIFT 52
1126#define KVM_REG_SIZE_MASK 0x00f0000000000000ULL
1127#define KVM_REG_SIZE_U8 0x0000000000000000ULL
1128#define KVM_REG_SIZE_U16 0x0010000000000000ULL
1129#define KVM_REG_SIZE_U32 0x0020000000000000ULL
1130#define KVM_REG_SIZE_U64 0x0030000000000000ULL
1131#define KVM_REG_SIZE_U128 0x0040000000000000ULL
1132#define KVM_REG_SIZE_U256 0x0050000000000000ULL
1133#define KVM_REG_SIZE_U512 0x0060000000000000ULL
1134#define KVM_REG_SIZE_U1024 0x0070000000000000ULL
1135
1136struct kvm_reg_list {
1137 __u64 n; /* number of regs */
1138 __u64 reg[0];
1139};
1140
1141struct kvm_one_reg {
1142 __u64 id;
1143 __u64 addr;
1144};
1145
1146#define KVM_MSI_VALID_DEVID (1U << 0)
1147struct kvm_msi {
1148 __u32 address_lo;
1149 __u32 address_hi;
1150 __u32 data;
1151 __u32 flags;
1152 __u32 devid;
1153 __u8 pad[12];
1154};
1155
1156struct kvm_arm_device_addr {
1157 __u64 id;
1158 __u64 addr;
1159};
1160
1161/*
1162 * Device control API, available with KVM_CAP_DEVICE_CTRL
1163 */
1164#define KVM_CREATE_DEVICE_TEST 1
1165
1166struct kvm_create_device {
1167 __u32 type; /* in: KVM_DEV_TYPE_xxx */
1168 __u32 fd; /* out: device handle */
1169 __u32 flags; /* in: KVM_CREATE_DEVICE_xxx */
1170};
1171
1172struct kvm_device_attr {
1173 __u32 flags; /* no flags currently defined */
1174 __u32 group; /* device-defined */
1175 __u64 attr; /* group-defined */
1176 __u64 addr; /* userspace address of attr data */
1177};
1178
1179#define KVM_DEV_VFIO_GROUP 1
1180#define KVM_DEV_VFIO_GROUP_ADD 1
1181#define KVM_DEV_VFIO_GROUP_DEL 2
1182#define KVM_DEV_VFIO_GROUP_SET_SPAPR_TCE 3
1183
1184enum kvm_device_type {
1185 KVM_DEV_TYPE_FSL_MPIC_20 = 1,
1186#define KVM_DEV_TYPE_FSL_MPIC_20 KVM_DEV_TYPE_FSL_MPIC_20
1187 KVM_DEV_TYPE_FSL_MPIC_42,
1188#define KVM_DEV_TYPE_FSL_MPIC_42 KVM_DEV_TYPE_FSL_MPIC_42
1189 KVM_DEV_TYPE_XICS,
1190#define KVM_DEV_TYPE_XICS KVM_DEV_TYPE_XICS
1191 KVM_DEV_TYPE_VFIO,
1192#define KVM_DEV_TYPE_VFIO KVM_DEV_TYPE_VFIO
1193 KVM_DEV_TYPE_ARM_VGIC_V2,
1194#define KVM_DEV_TYPE_ARM_VGIC_V2 KVM_DEV_TYPE_ARM_VGIC_V2
1195 KVM_DEV_TYPE_FLIC,
1196#define KVM_DEV_TYPE_FLIC KVM_DEV_TYPE_FLIC
1197 KVM_DEV_TYPE_ARM_VGIC_V3,
1198#define KVM_DEV_TYPE_ARM_VGIC_V3 KVM_DEV_TYPE_ARM_VGIC_V3
1199 KVM_DEV_TYPE_ARM_VGIC_ITS,
1200#define KVM_DEV_TYPE_ARM_VGIC_ITS KVM_DEV_TYPE_ARM_VGIC_ITS
1201 KVM_DEV_TYPE_MAX,
1202};
1203
1204struct kvm_vfio_spapr_tce {
1205 __s32 groupfd;
1206 __s32 tablefd;
1207};
1208
1209/*
1210 * ioctls for VM fds
1211 */
1212#define KVM_SET_MEMORY_REGION _IOW(KVMIO, 0x40, struct kvm_memory_region)
1213/*
1214 * KVM_CREATE_VCPU receives as a parameter the vcpu slot, and returns
1215 * a vcpu fd.
1216 */
1217#define KVM_CREATE_VCPU _IO(KVMIO, 0x41)
1218#define KVM_GET_DIRTY_LOG _IOW(KVMIO, 0x42, struct kvm_dirty_log)
1219/* KVM_SET_MEMORY_ALIAS is obsolete: */
1220#define KVM_SET_MEMORY_ALIAS _IOW(KVMIO, 0x43, struct kvm_memory_alias)
1221#define KVM_SET_NR_MMU_PAGES _IO(KVMIO, 0x44)
1222#define KVM_GET_NR_MMU_PAGES _IO(KVMIO, 0x45)
1223#define KVM_SET_USER_MEMORY_REGION _IOW(KVMIO, 0x46, \
1224 struct kvm_userspace_memory_region)
1225#define KVM_SET_TSS_ADDR _IO(KVMIO, 0x47)
1226#define KVM_SET_IDENTITY_MAP_ADDR _IOW(KVMIO, 0x48, __u64)
1227
1228/* enable ucontrol for s390 */
1229struct kvm_s390_ucas_mapping {
1230 __u64 user_addr;
1231 __u64 vcpu_addr;
1232 __u64 length;
1233};
1234#define KVM_S390_UCAS_MAP _IOW(KVMIO, 0x50, struct kvm_s390_ucas_mapping)
1235#define KVM_S390_UCAS_UNMAP _IOW(KVMIO, 0x51, struct kvm_s390_ucas_mapping)
1236#define KVM_S390_VCPU_FAULT _IOW(KVMIO, 0x52, unsigned long)
1237
1238/* Device model IOC */
1239#define KVM_CREATE_IRQCHIP _IO(KVMIO, 0x60)
1240#define KVM_IRQ_LINE _IOW(KVMIO, 0x61, struct kvm_irq_level)
1241#define KVM_GET_IRQCHIP _IOWR(KVMIO, 0x62, struct kvm_irqchip)
1242#define KVM_SET_IRQCHIP _IOR(KVMIO, 0x63, struct kvm_irqchip)
1243#define KVM_CREATE_PIT _IO(KVMIO, 0x64)
1244#define KVM_GET_PIT _IOWR(KVMIO, 0x65, struct kvm_pit_state)
1245#define KVM_SET_PIT _IOR(KVMIO, 0x66, struct kvm_pit_state)
1246#define KVM_IRQ_LINE_STATUS _IOWR(KVMIO, 0x67, struct kvm_irq_level)
1247#define KVM_REGISTER_COALESCED_MMIO \
1248 _IOW(KVMIO, 0x67, struct kvm_coalesced_mmio_zone)
1249#define KVM_UNREGISTER_COALESCED_MMIO \
1250 _IOW(KVMIO, 0x68, struct kvm_coalesced_mmio_zone)
1251#define KVM_ASSIGN_PCI_DEVICE _IOR(KVMIO, 0x69, \
1252 struct kvm_assigned_pci_dev)
1253#define KVM_SET_GSI_ROUTING _IOW(KVMIO, 0x6a, struct kvm_irq_routing)
1254/* deprecated, replaced by KVM_ASSIGN_DEV_IRQ */
1255#define KVM_ASSIGN_IRQ __KVM_DEPRECATED_VM_R_0x70
1256#define KVM_ASSIGN_DEV_IRQ _IOW(KVMIO, 0x70, struct kvm_assigned_irq)
1257#define KVM_REINJECT_CONTROL _IO(KVMIO, 0x71)
1258#define KVM_DEASSIGN_PCI_DEVICE _IOW(KVMIO, 0x72, \
1259 struct kvm_assigned_pci_dev)
1260#define KVM_ASSIGN_SET_MSIX_NR _IOW(KVMIO, 0x73, \
1261 struct kvm_assigned_msix_nr)
1262#define KVM_ASSIGN_SET_MSIX_ENTRY _IOW(KVMIO, 0x74, \
1263 struct kvm_assigned_msix_entry)
1264#define KVM_DEASSIGN_DEV_IRQ _IOW(KVMIO, 0x75, struct kvm_assigned_irq)
1265#define KVM_IRQFD _IOW(KVMIO, 0x76, struct kvm_irqfd)
1266#define KVM_CREATE_PIT2 _IOW(KVMIO, 0x77, struct kvm_pit_config)
1267#define KVM_SET_BOOT_CPU_ID _IO(KVMIO, 0x78)
1268#define KVM_IOEVENTFD _IOW(KVMIO, 0x79, struct kvm_ioeventfd)
1269#define KVM_XEN_HVM_CONFIG _IOW(KVMIO, 0x7a, struct kvm_xen_hvm_config)
1270#define KVM_SET_CLOCK _IOW(KVMIO, 0x7b, struct kvm_clock_data)
1271#define KVM_GET_CLOCK _IOR(KVMIO, 0x7c, struct kvm_clock_data)
1272/* Available with KVM_CAP_PIT_STATE2 */
1273#define KVM_GET_PIT2 _IOR(KVMIO, 0x9f, struct kvm_pit_state2)
1274#define KVM_SET_PIT2 _IOW(KVMIO, 0xa0, struct kvm_pit_state2)
1275/* Available with KVM_CAP_PPC_GET_PVINFO */
1276#define KVM_PPC_GET_PVINFO _IOW(KVMIO, 0xa1, struct kvm_ppc_pvinfo)
1277/* Available with KVM_CAP_TSC_CONTROL */
1278#define KVM_SET_TSC_KHZ _IO(KVMIO, 0xa2)
1279#define KVM_GET_TSC_KHZ _IO(KVMIO, 0xa3)
1280/* Available with KVM_CAP_PCI_2_3 */
1281#define KVM_ASSIGN_SET_INTX_MASK _IOW(KVMIO, 0xa4, \
1282 struct kvm_assigned_pci_dev)
1283/* Available with KVM_CAP_SIGNAL_MSI */
1284#define KVM_SIGNAL_MSI _IOW(KVMIO, 0xa5, struct kvm_msi)
1285/* Available with KVM_CAP_PPC_GET_SMMU_INFO */
1286#define KVM_PPC_GET_SMMU_INFO _IOR(KVMIO, 0xa6, struct kvm_ppc_smmu_info)
1287/* Available with KVM_CAP_PPC_ALLOC_HTAB */
1288#define KVM_PPC_ALLOCATE_HTAB _IOWR(KVMIO, 0xa7, __u32)
1289#define KVM_CREATE_SPAPR_TCE _IOW(KVMIO, 0xa8, struct kvm_create_spapr_tce)
1290#define KVM_CREATE_SPAPR_TCE_64 _IOW(KVMIO, 0xa8, \
1291 struct kvm_create_spapr_tce_64)
1292/* Available with KVM_CAP_RMA */
1293#define KVM_ALLOCATE_RMA _IOR(KVMIO, 0xa9, struct kvm_allocate_rma)
1294/* Available with KVM_CAP_PPC_HTAB_FD */
1295#define KVM_PPC_GET_HTAB_FD _IOW(KVMIO, 0xaa, struct kvm_get_htab_fd)
1296/* Available with KVM_CAP_ARM_SET_DEVICE_ADDR */
1297#define KVM_ARM_SET_DEVICE_ADDR _IOW(KVMIO, 0xab, struct kvm_arm_device_addr)
1298/* Available with KVM_CAP_PPC_RTAS */
1299#define KVM_PPC_RTAS_DEFINE_TOKEN _IOW(KVMIO, 0xac, struct kvm_rtas_token_args)
1300/* Available with KVM_CAP_SPAPR_RESIZE_HPT */
1301#define KVM_PPC_RESIZE_HPT_PREPARE _IOR(KVMIO, 0xad, struct kvm_ppc_resize_hpt)
1302#define KVM_PPC_RESIZE_HPT_COMMIT _IOR(KVMIO, 0xae, struct kvm_ppc_resize_hpt)
1303/* Available with KVM_CAP_PPC_RADIX_MMU or KVM_CAP_PPC_HASH_MMU_V3 */
1304#define KVM_PPC_CONFIGURE_V3_MMU _IOW(KVMIO, 0xaf, struct kvm_ppc_mmuv3_cfg)
1305/* Available with KVM_CAP_PPC_RADIX_MMU */
1306#define KVM_PPC_GET_RMMU_INFO _IOW(KVMIO, 0xb0, struct kvm_ppc_rmmu_info)
1307/* Available with KVM_CAP_PPC_GET_CPU_CHAR */
1308#define KVM_PPC_GET_CPU_CHAR _IOR(KVMIO, 0xb1, struct kvm_ppc_cpu_char)
1309
1310/* ioctl for vm fd */
1311#define KVM_CREATE_DEVICE _IOWR(KVMIO, 0xe0, struct kvm_create_device)
1312
1313/* ioctls for fds returned by KVM_CREATE_DEVICE */
1314#define KVM_SET_DEVICE_ATTR _IOW(KVMIO, 0xe1, struct kvm_device_attr)
1315#define KVM_GET_DEVICE_ATTR _IOW(KVMIO, 0xe2, struct kvm_device_attr)
1316#define KVM_HAS_DEVICE_ATTR _IOW(KVMIO, 0xe3, struct kvm_device_attr)
1317
1318/*
1319 * ioctls for vcpu fds
1320 */
1321#define KVM_RUN _IO(KVMIO, 0x80)
1322#define KVM_GET_REGS _IOR(KVMIO, 0x81, struct kvm_regs)
1323#define KVM_SET_REGS _IOW(KVMIO, 0x82, struct kvm_regs)
1324#define KVM_GET_SREGS _IOR(KVMIO, 0x83, struct kvm_sregs)
1325#define KVM_SET_SREGS _IOW(KVMIO, 0x84, struct kvm_sregs)
1326#define KVM_TRANSLATE _IOWR(KVMIO, 0x85, struct kvm_translation)
1327#define KVM_INTERRUPT _IOW(KVMIO, 0x86, struct kvm_interrupt)
1328/* KVM_DEBUG_GUEST is no longer supported, use KVM_SET_GUEST_DEBUG instead */
1329#define KVM_DEBUG_GUEST __KVM_DEPRECATED_VCPU_W_0x87
1330#define KVM_GET_MSRS _IOWR(KVMIO, 0x88, struct kvm_msrs)
1331#define KVM_SET_MSRS _IOW(KVMIO, 0x89, struct kvm_msrs)
1332#define KVM_SET_CPUID _IOW(KVMIO, 0x8a, struct kvm_cpuid)
1333#define KVM_SET_SIGNAL_MASK _IOW(KVMIO, 0x8b, struct kvm_signal_mask)
1334#define KVM_GET_FPU _IOR(KVMIO, 0x8c, struct kvm_fpu)
1335#define KVM_SET_FPU _IOW(KVMIO, 0x8d, struct kvm_fpu)
1336#define KVM_GET_LAPIC _IOR(KVMIO, 0x8e, struct kvm_lapic_state)
1337#define KVM_SET_LAPIC _IOW(KVMIO, 0x8f, struct kvm_lapic_state)
1338#define KVM_SET_CPUID2 _IOW(KVMIO, 0x90, struct kvm_cpuid2)
1339#define KVM_GET_CPUID2 _IOWR(KVMIO, 0x91, struct kvm_cpuid2)
1340/* Available with KVM_CAP_VAPIC */
1341#define KVM_TPR_ACCESS_REPORTING _IOWR(KVMIO, 0x92, struct kvm_tpr_access_ctl)
1342/* Available with KVM_CAP_VAPIC */
1343#define KVM_SET_VAPIC_ADDR _IOW(KVMIO, 0x93, struct kvm_vapic_addr)
1344/* valid for virtual machine (for floating interrupt)_and_ vcpu */
1345#define KVM_S390_INTERRUPT _IOW(KVMIO, 0x94, struct kvm_s390_interrupt)
1346/* store status for s390 */
1347#define KVM_S390_STORE_STATUS_NOADDR (-1ul)
1348#define KVM_S390_STORE_STATUS_PREFIXED (-2ul)
1349#define KVM_S390_STORE_STATUS _IOW(KVMIO, 0x95, unsigned long)
1350/* initial ipl psw for s390 */
1351#define KVM_S390_SET_INITIAL_PSW _IOW(KVMIO, 0x96, struct kvm_s390_psw)
1352/* initial reset for s390 */
1353#define KVM_S390_INITIAL_RESET _IO(KVMIO, 0x97)
1354#define KVM_GET_MP_STATE _IOR(KVMIO, 0x98, struct kvm_mp_state)
1355#define KVM_SET_MP_STATE _IOW(KVMIO, 0x99, struct kvm_mp_state)
1356/* Available with KVM_CAP_USER_NMI */
1357#define KVM_NMI _IO(KVMIO, 0x9a)
1358/* Available with KVM_CAP_SET_GUEST_DEBUG */
1359#define KVM_SET_GUEST_DEBUG _IOW(KVMIO, 0x9b, struct kvm_guest_debug)
1360/* MCE for x86 */
1361#define KVM_X86_SETUP_MCE _IOW(KVMIO, 0x9c, __u64)
1362#define KVM_X86_GET_MCE_CAP_SUPPORTED _IOR(KVMIO, 0x9d, __u64)
1363#define KVM_X86_SET_MCE _IOW(KVMIO, 0x9e, struct kvm_x86_mce)
1364/* Available with KVM_CAP_VCPU_EVENTS */
1365#define KVM_GET_VCPU_EVENTS _IOR(KVMIO, 0x9f, struct kvm_vcpu_events)
1366#define KVM_SET_VCPU_EVENTS _IOW(KVMIO, 0xa0, struct kvm_vcpu_events)
1367/* Available with KVM_CAP_DEBUGREGS */
1368#define KVM_GET_DEBUGREGS _IOR(KVMIO, 0xa1, struct kvm_debugregs)
1369#define KVM_SET_DEBUGREGS _IOW(KVMIO, 0xa2, struct kvm_debugregs)
1370/*
1371 * vcpu version available with KVM_ENABLE_CAP
1372 * vm version available with KVM_CAP_ENABLE_CAP_VM
1373 */
1374#define KVM_ENABLE_CAP _IOW(KVMIO, 0xa3, struct kvm_enable_cap)
1375/* Available with KVM_CAP_XSAVE */
1376#define KVM_GET_XSAVE _IOR(KVMIO, 0xa4, struct kvm_xsave)
1377#define KVM_SET_XSAVE _IOW(KVMIO, 0xa5, struct kvm_xsave)
1378/* Available with KVM_CAP_XCRS */
1379#define KVM_GET_XCRS _IOR(KVMIO, 0xa6, struct kvm_xcrs)
1380#define KVM_SET_XCRS _IOW(KVMIO, 0xa7, struct kvm_xcrs)
1381/* Available with KVM_CAP_SW_TLB */
1382#define KVM_DIRTY_TLB _IOW(KVMIO, 0xaa, struct kvm_dirty_tlb)
1383/* Available with KVM_CAP_ONE_REG */
1384#define KVM_GET_ONE_REG _IOW(KVMIO, 0xab, struct kvm_one_reg)
1385#define KVM_SET_ONE_REG _IOW(KVMIO, 0xac, struct kvm_one_reg)
1386/* VM is being stopped by host */
1387#define KVM_KVMCLOCK_CTRL _IO(KVMIO, 0xad)
1388#define KVM_ARM_VCPU_INIT _IOW(KVMIO, 0xae, struct kvm_vcpu_init)
1389#define KVM_ARM_PREFERRED_TARGET _IOR(KVMIO, 0xaf, struct kvm_vcpu_init)
1390#define KVM_GET_REG_LIST _IOWR(KVMIO, 0xb0, struct kvm_reg_list)
1391/* Available with KVM_CAP_S390_MEM_OP */
1392#define KVM_S390_MEM_OP _IOW(KVMIO, 0xb1, struct kvm_s390_mem_op)
1393/* Available with KVM_CAP_S390_SKEYS */
1394#define KVM_S390_GET_SKEYS _IOW(KVMIO, 0xb2, struct kvm_s390_skeys)
1395#define KVM_S390_SET_SKEYS _IOW(KVMIO, 0xb3, struct kvm_s390_skeys)
1396/* Available with KVM_CAP_S390_INJECT_IRQ */
1397#define KVM_S390_IRQ _IOW(KVMIO, 0xb4, struct kvm_s390_irq)
1398/* Available with KVM_CAP_S390_IRQ_STATE */
1399#define KVM_S390_SET_IRQ_STATE _IOW(KVMIO, 0xb5, struct kvm_s390_irq_state)
1400#define KVM_S390_GET_IRQ_STATE _IOW(KVMIO, 0xb6, struct kvm_s390_irq_state)
1401/* Available with KVM_CAP_X86_SMM */
1402#define KVM_SMI _IO(KVMIO, 0xb7)
1403/* Available with KVM_CAP_S390_CMMA_MIGRATION */
1404#define KVM_S390_GET_CMMA_BITS _IOWR(KVMIO, 0xb8, struct kvm_s390_cmma_log)
1405#define KVM_S390_SET_CMMA_BITS _IOW(KVMIO, 0xb9, struct kvm_s390_cmma_log)
1406/* Memory Encryption Commands */
1407#define KVM_MEMORY_ENCRYPT_OP _IOWR(KVMIO, 0xba, unsigned long)
1408
1409struct kvm_enc_region {
1410 __u64 addr;
1411 __u64 size;
1412};
1413
1414#define KVM_MEMORY_ENCRYPT_REG_REGION _IOR(KVMIO, 0xbb, struct kvm_enc_region)
1415#define KVM_MEMORY_ENCRYPT_UNREG_REGION _IOR(KVMIO, 0xbc, struct kvm_enc_region)
1416
1417/* Available with KVM_CAP_HYPERV_EVENTFD */
1418#define KVM_HYPERV_EVENTFD _IOW(KVMIO, 0xbd, struct kvm_hyperv_eventfd)
1419
1420/* Available with KVM_CAP_NESTED_STATE */
1421#define KVM_GET_NESTED_STATE _IOWR(KVMIO, 0xbe, struct kvm_nested_state)
1422#define KVM_SET_NESTED_STATE _IOW(KVMIO, 0xbf, struct kvm_nested_state)
1423
1424/* Secure Encrypted Virtualization command */
1425enum sev_cmd_id {
1426 /* Guest initialization commands */
1427 KVM_SEV_INIT = 0,
1428 KVM_SEV_ES_INIT,
1429 /* Guest launch commands */
1430 KVM_SEV_LAUNCH_START,
1431 KVM_SEV_LAUNCH_UPDATE_DATA,
1432 KVM_SEV_LAUNCH_UPDATE_VMSA,
1433 KVM_SEV_LAUNCH_SECRET,
1434 KVM_SEV_LAUNCH_MEASURE,
1435 KVM_SEV_LAUNCH_FINISH,
1436 /* Guest migration commands (outgoing) */
1437 KVM_SEV_SEND_START,
1438 KVM_SEV_SEND_UPDATE_DATA,
1439 KVM_SEV_SEND_UPDATE_VMSA,
1440 KVM_SEV_SEND_FINISH,
1441 /* Guest migration commands (incoming) */
1442 KVM_SEV_RECEIVE_START,
1443 KVM_SEV_RECEIVE_UPDATE_DATA,
1444 KVM_SEV_RECEIVE_UPDATE_VMSA,
1445 KVM_SEV_RECEIVE_FINISH,
1446 /* Guest status and debug commands */
1447 KVM_SEV_GUEST_STATUS,
1448 KVM_SEV_DBG_DECRYPT,
1449 KVM_SEV_DBG_ENCRYPT,
1450 /* Guest certificates commands */
1451 KVM_SEV_CERT_EXPORT,
1452
1453 KVM_SEV_NR_MAX,
1454};
1455
1456struct kvm_sev_cmd {
1457 __u32 id;
1458 __u64 data;
1459 __u32 error;
1460 __u32 sev_fd;
1461};
1462
1463struct kvm_sev_launch_start {
1464 __u32 handle;
1465 __u32 policy;
1466 __u64 dh_uaddr;
1467 __u32 dh_len;
1468 __u64 session_uaddr;
1469 __u32 session_len;
1470};
1471
1472struct kvm_sev_launch_update_data {
1473 __u64 uaddr;
1474 __u32 len;
1475};
1476
1477
1478struct kvm_sev_launch_secret {
1479 __u64 hdr_uaddr;
1480 __u32 hdr_len;
1481 __u64 guest_uaddr;
1482 __u32 guest_len;
1483 __u64 trans_uaddr;
1484 __u32 trans_len;
1485};
1486
1487struct kvm_sev_launch_measure {
1488 __u64 uaddr;
1489 __u32 len;
1490};
1491
1492struct kvm_sev_guest_status {
1493 __u32 handle;
1494 __u32 policy;
1495 __u32 state;
1496};
1497
1498struct kvm_sev_dbg {
1499 __u64 src_uaddr;
1500 __u64 dst_uaddr;
1501 __u32 len;
1502};
1503
1504#define KVM_DEV_ASSIGN_ENABLE_IOMMU (1 << 0)
1505#define KVM_DEV_ASSIGN_PCI_2_3 (1 << 1)
1506#define KVM_DEV_ASSIGN_MASK_INTX (1 << 2)
1507
1508struct kvm_assigned_pci_dev {
1509 __u32 assigned_dev_id;
1510 __u32 busnr;
1511 __u32 devfn;
1512 __u32 flags;
1513 __u32 segnr;
1514 union {
1515 __u32 reserved[11];
1516 };
1517};
1518
1519#define KVM_DEV_IRQ_HOST_INTX (1 << 0)
1520#define KVM_DEV_IRQ_HOST_MSI (1 << 1)
1521#define KVM_DEV_IRQ_HOST_MSIX (1 << 2)
1522
1523#define KVM_DEV_IRQ_GUEST_INTX (1 << 8)
1524#define KVM_DEV_IRQ_GUEST_MSI (1 << 9)
1525#define KVM_DEV_IRQ_GUEST_MSIX (1 << 10)
1526
1527#define KVM_DEV_IRQ_HOST_MASK 0x00ff
1528#define KVM_DEV_IRQ_GUEST_MASK 0xff00
1529
1530struct kvm_assigned_irq {
1531 __u32 assigned_dev_id;
1532 __u32 host_irq; /* ignored (legacy field) */
1533 __u32 guest_irq;
1534 __u32 flags;
1535 union {
1536 __u32 reserved[12];
1537 };
1538};
1539
1540struct kvm_assigned_msix_nr {
1541 __u32 assigned_dev_id;
1542 __u16 entry_nr;
1543 __u16 padding;
1544};
1545
1546#define KVM_MAX_MSIX_PER_DEV 256
1547struct kvm_assigned_msix_entry {
1548 __u32 assigned_dev_id;
1549 __u32 gsi;
1550 __u16 entry; /* The index of entry in the MSI-X table */
1551 __u16 padding[3];
1552};
1553
1554#define KVM_X2APIC_API_USE_32BIT_IDS (1ULL << 0)
1555#define KVM_X2APIC_API_DISABLE_BROADCAST_QUIRK (1ULL << 1)
1556
1557/* Available with KVM_CAP_ARM_USER_IRQ */
1558
1559/* Bits for run->s.regs.device_irq_level */
1560#define KVM_ARM_DEV_EL1_VTIMER (1 << 0)
1561#define KVM_ARM_DEV_EL1_PTIMER (1 << 1)
1562#define KVM_ARM_DEV_PMU (1 << 2)
1563
1564struct kvm_hyperv_eventfd {
1565 __u32 conn_id;
1566 __s32 fd;
1567 __u32 flags;
1568 __u32 padding[3];
1569};
1570
1571#define KVM_HYPERV_CONN_ID_MASK 0x00ffffff
1572#define KVM_HYPERV_EVENTFD_DEASSIGN (1 << 0)
1573
1574#endif /* __LINUX_KVM_H */