Linux kernel mirror (for testing)
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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 __u32 pad;
424};
425
426struct kvm_coalesced_mmio {
427 __u64 phys_addr;
428 __u32 len;
429 __u32 pad;
430 __u8 data[8];
431};
432
433struct kvm_coalesced_mmio_ring {
434 __u32 first, last;
435 struct kvm_coalesced_mmio coalesced_mmio[0];
436};
437
438#define KVM_COALESCED_MMIO_MAX \
439 ((PAGE_SIZE - sizeof(struct kvm_coalesced_mmio_ring)) / \
440 sizeof(struct kvm_coalesced_mmio))
441
442/* for KVM_TRANSLATE */
443struct kvm_translation {
444 /* in */
445 __u64 linear_address;
446
447 /* out */
448 __u64 physical_address;
449 __u8 valid;
450 __u8 writeable;
451 __u8 usermode;
452 __u8 pad[5];
453};
454
455/* for KVM_S390_MEM_OP */
456struct kvm_s390_mem_op {
457 /* in */
458 __u64 gaddr; /* the guest address */
459 __u64 flags; /* flags */
460 __u32 size; /* amount of bytes */
461 __u32 op; /* type of operation */
462 __u64 buf; /* buffer in userspace */
463 __u8 ar; /* the access register number */
464 __u8 reserved[31]; /* should be set to 0 */
465};
466/* types for kvm_s390_mem_op->op */
467#define KVM_S390_MEMOP_LOGICAL_READ 0
468#define KVM_S390_MEMOP_LOGICAL_WRITE 1
469/* flags for kvm_s390_mem_op->flags */
470#define KVM_S390_MEMOP_F_CHECK_ONLY (1ULL << 0)
471#define KVM_S390_MEMOP_F_INJECT_EXCEPTION (1ULL << 1)
472
473/* for KVM_INTERRUPT */
474struct kvm_interrupt {
475 /* in */
476 __u32 irq;
477};
478
479/* for KVM_GET_DIRTY_LOG */
480struct kvm_dirty_log {
481 __u32 slot;
482 __u32 padding1;
483 union {
484 void __user *dirty_bitmap; /* one bit per page */
485 __u64 padding2;
486 };
487};
488
489/* for KVM_SET_SIGNAL_MASK */
490struct kvm_signal_mask {
491 __u32 len;
492 __u8 sigset[0];
493};
494
495/* for KVM_TPR_ACCESS_REPORTING */
496struct kvm_tpr_access_ctl {
497 __u32 enabled;
498 __u32 flags;
499 __u32 reserved[8];
500};
501
502/* for KVM_SET_VAPIC_ADDR */
503struct kvm_vapic_addr {
504 __u64 vapic_addr;
505};
506
507/* for KVM_SET_MP_STATE */
508
509/* not all states are valid on all architectures */
510#define KVM_MP_STATE_RUNNABLE 0
511#define KVM_MP_STATE_UNINITIALIZED 1
512#define KVM_MP_STATE_INIT_RECEIVED 2
513#define KVM_MP_STATE_HALTED 3
514#define KVM_MP_STATE_SIPI_RECEIVED 4
515#define KVM_MP_STATE_STOPPED 5
516#define KVM_MP_STATE_CHECK_STOP 6
517#define KVM_MP_STATE_OPERATING 7
518#define KVM_MP_STATE_LOAD 8
519
520struct kvm_mp_state {
521 __u32 mp_state;
522};
523
524struct kvm_s390_psw {
525 __u64 mask;
526 __u64 addr;
527};
528
529/* valid values for type in kvm_s390_interrupt */
530#define KVM_S390_SIGP_STOP 0xfffe0000u
531#define KVM_S390_PROGRAM_INT 0xfffe0001u
532#define KVM_S390_SIGP_SET_PREFIX 0xfffe0002u
533#define KVM_S390_RESTART 0xfffe0003u
534#define KVM_S390_INT_PFAULT_INIT 0xfffe0004u
535#define KVM_S390_INT_PFAULT_DONE 0xfffe0005u
536#define KVM_S390_MCHK 0xfffe1000u
537#define KVM_S390_INT_CLOCK_COMP 0xffff1004u
538#define KVM_S390_INT_CPU_TIMER 0xffff1005u
539#define KVM_S390_INT_VIRTIO 0xffff2603u
540#define KVM_S390_INT_SERVICE 0xffff2401u
541#define KVM_S390_INT_EMERGENCY 0xffff1201u
542#define KVM_S390_INT_EXTERNAL_CALL 0xffff1202u
543/* Anything below 0xfffe0000u is taken by INT_IO */
544#define KVM_S390_INT_IO(ai,cssid,ssid,schid) \
545 (((schid)) | \
546 ((ssid) << 16) | \
547 ((cssid) << 18) | \
548 ((ai) << 26))
549#define KVM_S390_INT_IO_MIN 0x00000000u
550#define KVM_S390_INT_IO_MAX 0xfffdffffu
551#define KVM_S390_INT_IO_AI_MASK 0x04000000u
552
553
554struct kvm_s390_interrupt {
555 __u32 type;
556 __u32 parm;
557 __u64 parm64;
558};
559
560struct kvm_s390_io_info {
561 __u16 subchannel_id;
562 __u16 subchannel_nr;
563 __u32 io_int_parm;
564 __u32 io_int_word;
565};
566
567struct kvm_s390_ext_info {
568 __u32 ext_params;
569 __u32 pad;
570 __u64 ext_params2;
571};
572
573struct kvm_s390_pgm_info {
574 __u64 trans_exc_code;
575 __u64 mon_code;
576 __u64 per_address;
577 __u32 data_exc_code;
578 __u16 code;
579 __u16 mon_class_nr;
580 __u8 per_code;
581 __u8 per_atmid;
582 __u8 exc_access_id;
583 __u8 per_access_id;
584 __u8 op_access_id;
585#define KVM_S390_PGM_FLAGS_ILC_VALID 0x01
586#define KVM_S390_PGM_FLAGS_ILC_0 0x02
587#define KVM_S390_PGM_FLAGS_ILC_1 0x04
588#define KVM_S390_PGM_FLAGS_ILC_MASK 0x06
589#define KVM_S390_PGM_FLAGS_NO_REWIND 0x08
590 __u8 flags;
591 __u8 pad[2];
592};
593
594struct kvm_s390_prefix_info {
595 __u32 address;
596};
597
598struct kvm_s390_extcall_info {
599 __u16 code;
600};
601
602struct kvm_s390_emerg_info {
603 __u16 code;
604};
605
606#define KVM_S390_STOP_FLAG_STORE_STATUS 0x01
607struct kvm_s390_stop_info {
608 __u32 flags;
609};
610
611struct kvm_s390_mchk_info {
612 __u64 cr14;
613 __u64 mcic;
614 __u64 failing_storage_address;
615 __u32 ext_damage_code;
616 __u32 pad;
617 __u8 fixed_logout[16];
618};
619
620struct kvm_s390_irq {
621 __u64 type;
622 union {
623 struct kvm_s390_io_info io;
624 struct kvm_s390_ext_info ext;
625 struct kvm_s390_pgm_info pgm;
626 struct kvm_s390_emerg_info emerg;
627 struct kvm_s390_extcall_info extcall;
628 struct kvm_s390_prefix_info prefix;
629 struct kvm_s390_stop_info stop;
630 struct kvm_s390_mchk_info mchk;
631 char reserved[64];
632 } u;
633};
634
635struct kvm_s390_irq_state {
636 __u64 buf;
637 __u32 flags; /* will stay unused for compatibility reasons */
638 __u32 len;
639 __u32 reserved[4]; /* will stay unused for compatibility reasons */
640};
641
642/* for KVM_SET_GUEST_DEBUG */
643
644#define KVM_GUESTDBG_ENABLE 0x00000001
645#define KVM_GUESTDBG_SINGLESTEP 0x00000002
646
647struct kvm_guest_debug {
648 __u32 control;
649 __u32 pad;
650 struct kvm_guest_debug_arch arch;
651};
652
653enum {
654 kvm_ioeventfd_flag_nr_datamatch,
655 kvm_ioeventfd_flag_nr_pio,
656 kvm_ioeventfd_flag_nr_deassign,
657 kvm_ioeventfd_flag_nr_virtio_ccw_notify,
658 kvm_ioeventfd_flag_nr_fast_mmio,
659 kvm_ioeventfd_flag_nr_max,
660};
661
662#define KVM_IOEVENTFD_FLAG_DATAMATCH (1 << kvm_ioeventfd_flag_nr_datamatch)
663#define KVM_IOEVENTFD_FLAG_PIO (1 << kvm_ioeventfd_flag_nr_pio)
664#define KVM_IOEVENTFD_FLAG_DEASSIGN (1 << kvm_ioeventfd_flag_nr_deassign)
665#define KVM_IOEVENTFD_FLAG_VIRTIO_CCW_NOTIFY \
666 (1 << kvm_ioeventfd_flag_nr_virtio_ccw_notify)
667
668#define KVM_IOEVENTFD_VALID_FLAG_MASK ((1 << kvm_ioeventfd_flag_nr_max) - 1)
669
670struct kvm_ioeventfd {
671 __u64 datamatch;
672 __u64 addr; /* legal pio/mmio address */
673 __u32 len; /* 1, 2, 4, or 8 bytes; or 0 to ignore length */
674 __s32 fd;
675 __u32 flags;
676 __u8 pad[36];
677};
678
679#define KVM_X86_DISABLE_EXITS_MWAIT (1 << 0)
680#define KVM_X86_DISABLE_EXITS_HTL (1 << 1)
681#define KVM_X86_DISABLE_EXITS_PAUSE (1 << 2)
682#define KVM_X86_DISABLE_VALID_EXITS (KVM_X86_DISABLE_EXITS_MWAIT | \
683 KVM_X86_DISABLE_EXITS_HTL | \
684 KVM_X86_DISABLE_EXITS_PAUSE)
685
686/* for KVM_ENABLE_CAP */
687struct kvm_enable_cap {
688 /* in */
689 __u32 cap;
690 __u32 flags;
691 __u64 args[4];
692 __u8 pad[64];
693};
694
695/* for KVM_PPC_GET_PVINFO */
696
697#define KVM_PPC_PVINFO_FLAGS_EV_IDLE (1<<0)
698
699struct kvm_ppc_pvinfo {
700 /* out */
701 __u32 flags;
702 __u32 hcall[4];
703 __u8 pad[108];
704};
705
706/* for KVM_PPC_GET_SMMU_INFO */
707#define KVM_PPC_PAGE_SIZES_MAX_SZ 8
708
709struct kvm_ppc_one_page_size {
710 __u32 page_shift; /* Page shift (or 0) */
711 __u32 pte_enc; /* Encoding in the HPTE (>>12) */
712};
713
714struct kvm_ppc_one_seg_page_size {
715 __u32 page_shift; /* Base page shift of segment (or 0) */
716 __u32 slb_enc; /* SLB encoding for BookS */
717 struct kvm_ppc_one_page_size enc[KVM_PPC_PAGE_SIZES_MAX_SZ];
718};
719
720#define KVM_PPC_PAGE_SIZES_REAL 0x00000001
721#define KVM_PPC_1T_SEGMENTS 0x00000002
722
723struct kvm_ppc_smmu_info {
724 __u64 flags;
725 __u32 slb_size;
726 __u16 data_keys; /* # storage keys supported for data */
727 __u16 instr_keys; /* # storage keys supported for instructions */
728 struct kvm_ppc_one_seg_page_size sps[KVM_PPC_PAGE_SIZES_MAX_SZ];
729};
730
731/* for KVM_PPC_RESIZE_HPT_{PREPARE,COMMIT} */
732struct kvm_ppc_resize_hpt {
733 __u64 flags;
734 __u32 shift;
735 __u32 pad;
736};
737
738#define KVMIO 0xAE
739
740/* machine type bits, to be used as argument to KVM_CREATE_VM */
741#define KVM_VM_S390_UCONTROL 1
742
743/* on ppc, 0 indicate default, 1 should force HV and 2 PR */
744#define KVM_VM_PPC_HV 1
745#define KVM_VM_PPC_PR 2
746
747/* on MIPS, 0 forces trap & emulate, 1 forces VZ ASE */
748#define KVM_VM_MIPS_TE 0
749#define KVM_VM_MIPS_VZ 1
750
751#define KVM_S390_SIE_PAGE_OFFSET 1
752
753/*
754 * ioctls for /dev/kvm fds:
755 */
756#define KVM_GET_API_VERSION _IO(KVMIO, 0x00)
757#define KVM_CREATE_VM _IO(KVMIO, 0x01) /* returns a VM fd */
758#define KVM_GET_MSR_INDEX_LIST _IOWR(KVMIO, 0x02, struct kvm_msr_list)
759
760#define KVM_S390_ENABLE_SIE _IO(KVMIO, 0x06)
761/*
762 * Check if a kvm extension is available. Argument is extension number,
763 * return is 1 (yes) or 0 (no, sorry).
764 */
765#define KVM_CHECK_EXTENSION _IO(KVMIO, 0x03)
766/*
767 * Get size for mmap(vcpu_fd)
768 */
769#define KVM_GET_VCPU_MMAP_SIZE _IO(KVMIO, 0x04) /* in bytes */
770#define KVM_GET_SUPPORTED_CPUID _IOWR(KVMIO, 0x05, struct kvm_cpuid2)
771#define KVM_TRACE_ENABLE __KVM_DEPRECATED_MAIN_W_0x06
772#define KVM_TRACE_PAUSE __KVM_DEPRECATED_MAIN_0x07
773#define KVM_TRACE_DISABLE __KVM_DEPRECATED_MAIN_0x08
774#define KVM_GET_EMULATED_CPUID _IOWR(KVMIO, 0x09, struct kvm_cpuid2)
775#define KVM_GET_MSR_FEATURE_INDEX_LIST _IOWR(KVMIO, 0x0a, struct kvm_msr_list)
776
777/*
778 * Extension capability list.
779 */
780#define KVM_CAP_IRQCHIP 0
781#define KVM_CAP_HLT 1
782#define KVM_CAP_MMU_SHADOW_CACHE_CONTROL 2
783#define KVM_CAP_USER_MEMORY 3
784#define KVM_CAP_SET_TSS_ADDR 4
785#define KVM_CAP_VAPIC 6
786#define KVM_CAP_EXT_CPUID 7
787#define KVM_CAP_CLOCKSOURCE 8
788#define KVM_CAP_NR_VCPUS 9 /* returns recommended max vcpus per vm */
789#define KVM_CAP_NR_MEMSLOTS 10 /* returns max memory slots per vm */
790#define KVM_CAP_PIT 11
791#define KVM_CAP_NOP_IO_DELAY 12
792#define KVM_CAP_PV_MMU 13
793#define KVM_CAP_MP_STATE 14
794#define KVM_CAP_COALESCED_MMIO 15
795#define KVM_CAP_SYNC_MMU 16 /* Changes to host mmap are reflected in guest */
796#define KVM_CAP_IOMMU 18
797/* Bug in KVM_SET_USER_MEMORY_REGION fixed: */
798#define KVM_CAP_DESTROY_MEMORY_REGION_WORKS 21
799#define KVM_CAP_USER_NMI 22
800#ifdef __KVM_HAVE_GUEST_DEBUG
801#define KVM_CAP_SET_GUEST_DEBUG 23
802#endif
803#ifdef __KVM_HAVE_PIT
804#define KVM_CAP_REINJECT_CONTROL 24
805#endif
806#define KVM_CAP_IRQ_ROUTING 25
807#define KVM_CAP_IRQ_INJECT_STATUS 26
808#define KVM_CAP_ASSIGN_DEV_IRQ 29
809/* Another bug in KVM_SET_USER_MEMORY_REGION fixed: */
810#define KVM_CAP_JOIN_MEMORY_REGIONS_WORKS 30
811#ifdef __KVM_HAVE_MCE
812#define KVM_CAP_MCE 31
813#endif
814#define KVM_CAP_IRQFD 32
815#ifdef __KVM_HAVE_PIT
816#define KVM_CAP_PIT2 33
817#endif
818#define KVM_CAP_SET_BOOT_CPU_ID 34
819#ifdef __KVM_HAVE_PIT_STATE2
820#define KVM_CAP_PIT_STATE2 35
821#endif
822#define KVM_CAP_IOEVENTFD 36
823#define KVM_CAP_SET_IDENTITY_MAP_ADDR 37
824#ifdef __KVM_HAVE_XEN_HVM
825#define KVM_CAP_XEN_HVM 38
826#endif
827#define KVM_CAP_ADJUST_CLOCK 39
828#define KVM_CAP_INTERNAL_ERROR_DATA 40
829#ifdef __KVM_HAVE_VCPU_EVENTS
830#define KVM_CAP_VCPU_EVENTS 41
831#endif
832#define KVM_CAP_S390_PSW 42
833#define KVM_CAP_PPC_SEGSTATE 43
834#define KVM_CAP_HYPERV 44
835#define KVM_CAP_HYPERV_VAPIC 45
836#define KVM_CAP_HYPERV_SPIN 46
837#define KVM_CAP_PCI_SEGMENT 47
838#define KVM_CAP_PPC_PAIRED_SINGLES 48
839#define KVM_CAP_INTR_SHADOW 49
840#ifdef __KVM_HAVE_DEBUGREGS
841#define KVM_CAP_DEBUGREGS 50
842#endif
843#define KVM_CAP_X86_ROBUST_SINGLESTEP 51
844#define KVM_CAP_PPC_OSI 52
845#define KVM_CAP_PPC_UNSET_IRQ 53
846#define KVM_CAP_ENABLE_CAP 54
847#ifdef __KVM_HAVE_XSAVE
848#define KVM_CAP_XSAVE 55
849#endif
850#ifdef __KVM_HAVE_XCRS
851#define KVM_CAP_XCRS 56
852#endif
853#define KVM_CAP_PPC_GET_PVINFO 57
854#define KVM_CAP_PPC_IRQ_LEVEL 58
855#define KVM_CAP_ASYNC_PF 59
856#define KVM_CAP_TSC_CONTROL 60
857#define KVM_CAP_GET_TSC_KHZ 61
858#define KVM_CAP_PPC_BOOKE_SREGS 62
859#define KVM_CAP_SPAPR_TCE 63
860#define KVM_CAP_PPC_SMT 64
861#define KVM_CAP_PPC_RMA 65
862#define KVM_CAP_MAX_VCPUS 66 /* returns max vcpus per vm */
863#define KVM_CAP_PPC_HIOR 67
864#define KVM_CAP_PPC_PAPR 68
865#define KVM_CAP_SW_TLB 69
866#define KVM_CAP_ONE_REG 70
867#define KVM_CAP_S390_GMAP 71
868#define KVM_CAP_TSC_DEADLINE_TIMER 72
869#define KVM_CAP_S390_UCONTROL 73
870#define KVM_CAP_SYNC_REGS 74
871#define KVM_CAP_PCI_2_3 75
872#define KVM_CAP_KVMCLOCK_CTRL 76
873#define KVM_CAP_SIGNAL_MSI 77
874#define KVM_CAP_PPC_GET_SMMU_INFO 78
875#define KVM_CAP_S390_COW 79
876#define KVM_CAP_PPC_ALLOC_HTAB 80
877#define KVM_CAP_READONLY_MEM 81
878#define KVM_CAP_IRQFD_RESAMPLE 82
879#define KVM_CAP_PPC_BOOKE_WATCHDOG 83
880#define KVM_CAP_PPC_HTAB_FD 84
881#define KVM_CAP_S390_CSS_SUPPORT 85
882#define KVM_CAP_PPC_EPR 86
883#define KVM_CAP_ARM_PSCI 87
884#define KVM_CAP_ARM_SET_DEVICE_ADDR 88
885#define KVM_CAP_DEVICE_CTRL 89
886#define KVM_CAP_IRQ_MPIC 90
887#define KVM_CAP_PPC_RTAS 91
888#define KVM_CAP_IRQ_XICS 92
889#define KVM_CAP_ARM_EL1_32BIT 93
890#define KVM_CAP_SPAPR_MULTITCE 94
891#define KVM_CAP_EXT_EMUL_CPUID 95
892#define KVM_CAP_HYPERV_TIME 96
893#define KVM_CAP_IOAPIC_POLARITY_IGNORED 97
894#define KVM_CAP_ENABLE_CAP_VM 98
895#define KVM_CAP_S390_IRQCHIP 99
896#define KVM_CAP_IOEVENTFD_NO_LENGTH 100
897#define KVM_CAP_VM_ATTRIBUTES 101
898#define KVM_CAP_ARM_PSCI_0_2 102
899#define KVM_CAP_PPC_FIXUP_HCALL 103
900#define KVM_CAP_PPC_ENABLE_HCALL 104
901#define KVM_CAP_CHECK_EXTENSION_VM 105
902#define KVM_CAP_S390_USER_SIGP 106
903#define KVM_CAP_S390_VECTOR_REGISTERS 107
904#define KVM_CAP_S390_MEM_OP 108
905#define KVM_CAP_S390_USER_STSI 109
906#define KVM_CAP_S390_SKEYS 110
907#define KVM_CAP_MIPS_FPU 111
908#define KVM_CAP_MIPS_MSA 112
909#define KVM_CAP_S390_INJECT_IRQ 113
910#define KVM_CAP_S390_IRQ_STATE 114
911#define KVM_CAP_PPC_HWRNG 115
912#define KVM_CAP_DISABLE_QUIRKS 116
913#define KVM_CAP_X86_SMM 117
914#define KVM_CAP_MULTI_ADDRESS_SPACE 118
915#define KVM_CAP_GUEST_DEBUG_HW_BPS 119
916#define KVM_CAP_GUEST_DEBUG_HW_WPS 120
917#define KVM_CAP_SPLIT_IRQCHIP 121
918#define KVM_CAP_IOEVENTFD_ANY_LENGTH 122
919#define KVM_CAP_HYPERV_SYNIC 123
920#define KVM_CAP_S390_RI 124
921#define KVM_CAP_SPAPR_TCE_64 125
922#define KVM_CAP_ARM_PMU_V3 126
923#define KVM_CAP_VCPU_ATTRIBUTES 127
924#define KVM_CAP_MAX_VCPU_ID 128
925#define KVM_CAP_X2APIC_API 129
926#define KVM_CAP_S390_USER_INSTR0 130
927#define KVM_CAP_MSI_DEVID 131
928#define KVM_CAP_PPC_HTM 132
929#define KVM_CAP_SPAPR_RESIZE_HPT 133
930#define KVM_CAP_PPC_MMU_RADIX 134
931#define KVM_CAP_PPC_MMU_HASH_V3 135
932#define KVM_CAP_IMMEDIATE_EXIT 136
933#define KVM_CAP_MIPS_VZ 137
934#define KVM_CAP_MIPS_TE 138
935#define KVM_CAP_MIPS_64BIT 139
936#define KVM_CAP_S390_GS 140
937#define KVM_CAP_S390_AIS 141
938#define KVM_CAP_SPAPR_TCE_VFIO 142
939#define KVM_CAP_X86_DISABLE_EXITS 143
940#define KVM_CAP_ARM_USER_IRQ 144
941#define KVM_CAP_S390_CMMA_MIGRATION 145
942#define KVM_CAP_PPC_FWNMI 146
943#define KVM_CAP_PPC_SMT_POSSIBLE 147
944#define KVM_CAP_HYPERV_SYNIC2 148
945#define KVM_CAP_HYPERV_VP_INDEX 149
946#define KVM_CAP_S390_AIS_MIGRATION 150
947#define KVM_CAP_PPC_GET_CPU_CHAR 151
948#define KVM_CAP_S390_BPB 152
949#define KVM_CAP_GET_MSR_FEATURES 153
950#define KVM_CAP_HYPERV_EVENTFD 154
951
952#ifdef KVM_CAP_IRQ_ROUTING
953
954struct kvm_irq_routing_irqchip {
955 __u32 irqchip;
956 __u32 pin;
957};
958
959struct kvm_irq_routing_msi {
960 __u32 address_lo;
961 __u32 address_hi;
962 __u32 data;
963 union {
964 __u32 pad;
965 __u32 devid;
966 };
967};
968
969struct kvm_irq_routing_s390_adapter {
970 __u64 ind_addr;
971 __u64 summary_addr;
972 __u64 ind_offset;
973 __u32 summary_offset;
974 __u32 adapter_id;
975};
976
977struct kvm_irq_routing_hv_sint {
978 __u32 vcpu;
979 __u32 sint;
980};
981
982/* gsi routing entry types */
983#define KVM_IRQ_ROUTING_IRQCHIP 1
984#define KVM_IRQ_ROUTING_MSI 2
985#define KVM_IRQ_ROUTING_S390_ADAPTER 3
986#define KVM_IRQ_ROUTING_HV_SINT 4
987
988struct kvm_irq_routing_entry {
989 __u32 gsi;
990 __u32 type;
991 __u32 flags;
992 __u32 pad;
993 union {
994 struct kvm_irq_routing_irqchip irqchip;
995 struct kvm_irq_routing_msi msi;
996 struct kvm_irq_routing_s390_adapter adapter;
997 struct kvm_irq_routing_hv_sint hv_sint;
998 __u32 pad[8];
999 } u;
1000};
1001
1002struct kvm_irq_routing {
1003 __u32 nr;
1004 __u32 flags;
1005 struct kvm_irq_routing_entry entries[0];
1006};
1007
1008#endif
1009
1010#ifdef KVM_CAP_MCE
1011/* x86 MCE */
1012struct kvm_x86_mce {
1013 __u64 status;
1014 __u64 addr;
1015 __u64 misc;
1016 __u64 mcg_status;
1017 __u8 bank;
1018 __u8 pad1[7];
1019 __u64 pad2[3];
1020};
1021#endif
1022
1023#ifdef KVM_CAP_XEN_HVM
1024struct kvm_xen_hvm_config {
1025 __u32 flags;
1026 __u32 msr;
1027 __u64 blob_addr_32;
1028 __u64 blob_addr_64;
1029 __u8 blob_size_32;
1030 __u8 blob_size_64;
1031 __u8 pad2[30];
1032};
1033#endif
1034
1035#define KVM_IRQFD_FLAG_DEASSIGN (1 << 0)
1036/*
1037 * Available with KVM_CAP_IRQFD_RESAMPLE
1038 *
1039 * KVM_IRQFD_FLAG_RESAMPLE indicates resamplefd is valid and specifies
1040 * the irqfd to operate in resampling mode for level triggered interrupt
1041 * emulation. See Documentation/virtual/kvm/api.txt.
1042 */
1043#define KVM_IRQFD_FLAG_RESAMPLE (1 << 1)
1044
1045struct kvm_irqfd {
1046 __u32 fd;
1047 __u32 gsi;
1048 __u32 flags;
1049 __u32 resamplefd;
1050 __u8 pad[16];
1051};
1052
1053/* For KVM_CAP_ADJUST_CLOCK */
1054
1055/* Do not use 1, KVM_CHECK_EXTENSION returned it before we had flags. */
1056#define KVM_CLOCK_TSC_STABLE 2
1057
1058struct kvm_clock_data {
1059 __u64 clock;
1060 __u32 flags;
1061 __u32 pad[9];
1062};
1063
1064/* For KVM_CAP_SW_TLB */
1065
1066#define KVM_MMU_FSL_BOOKE_NOHV 0
1067#define KVM_MMU_FSL_BOOKE_HV 1
1068
1069struct kvm_config_tlb {
1070 __u64 params;
1071 __u64 array;
1072 __u32 mmu_type;
1073 __u32 array_len;
1074};
1075
1076struct kvm_dirty_tlb {
1077 __u64 bitmap;
1078 __u32 num_dirty;
1079};
1080
1081/* Available with KVM_CAP_ONE_REG */
1082
1083#define KVM_REG_ARCH_MASK 0xff00000000000000ULL
1084#define KVM_REG_GENERIC 0x0000000000000000ULL
1085
1086/*
1087 * Architecture specific registers are to be defined in arch headers and
1088 * ORed with the arch identifier.
1089 */
1090#define KVM_REG_PPC 0x1000000000000000ULL
1091#define KVM_REG_X86 0x2000000000000000ULL
1092#define KVM_REG_IA64 0x3000000000000000ULL
1093#define KVM_REG_ARM 0x4000000000000000ULL
1094#define KVM_REG_S390 0x5000000000000000ULL
1095#define KVM_REG_ARM64 0x6000000000000000ULL
1096#define KVM_REG_MIPS 0x7000000000000000ULL
1097
1098#define KVM_REG_SIZE_SHIFT 52
1099#define KVM_REG_SIZE_MASK 0x00f0000000000000ULL
1100#define KVM_REG_SIZE_U8 0x0000000000000000ULL
1101#define KVM_REG_SIZE_U16 0x0010000000000000ULL
1102#define KVM_REG_SIZE_U32 0x0020000000000000ULL
1103#define KVM_REG_SIZE_U64 0x0030000000000000ULL
1104#define KVM_REG_SIZE_U128 0x0040000000000000ULL
1105#define KVM_REG_SIZE_U256 0x0050000000000000ULL
1106#define KVM_REG_SIZE_U512 0x0060000000000000ULL
1107#define KVM_REG_SIZE_U1024 0x0070000000000000ULL
1108
1109struct kvm_reg_list {
1110 __u64 n; /* number of regs */
1111 __u64 reg[0];
1112};
1113
1114struct kvm_one_reg {
1115 __u64 id;
1116 __u64 addr;
1117};
1118
1119#define KVM_MSI_VALID_DEVID (1U << 0)
1120struct kvm_msi {
1121 __u32 address_lo;
1122 __u32 address_hi;
1123 __u32 data;
1124 __u32 flags;
1125 __u32 devid;
1126 __u8 pad[12];
1127};
1128
1129struct kvm_arm_device_addr {
1130 __u64 id;
1131 __u64 addr;
1132};
1133
1134/*
1135 * Device control API, available with KVM_CAP_DEVICE_CTRL
1136 */
1137#define KVM_CREATE_DEVICE_TEST 1
1138
1139struct kvm_create_device {
1140 __u32 type; /* in: KVM_DEV_TYPE_xxx */
1141 __u32 fd; /* out: device handle */
1142 __u32 flags; /* in: KVM_CREATE_DEVICE_xxx */
1143};
1144
1145struct kvm_device_attr {
1146 __u32 flags; /* no flags currently defined */
1147 __u32 group; /* device-defined */
1148 __u64 attr; /* group-defined */
1149 __u64 addr; /* userspace address of attr data */
1150};
1151
1152#define KVM_DEV_VFIO_GROUP 1
1153#define KVM_DEV_VFIO_GROUP_ADD 1
1154#define KVM_DEV_VFIO_GROUP_DEL 2
1155#define KVM_DEV_VFIO_GROUP_SET_SPAPR_TCE 3
1156
1157enum kvm_device_type {
1158 KVM_DEV_TYPE_FSL_MPIC_20 = 1,
1159#define KVM_DEV_TYPE_FSL_MPIC_20 KVM_DEV_TYPE_FSL_MPIC_20
1160 KVM_DEV_TYPE_FSL_MPIC_42,
1161#define KVM_DEV_TYPE_FSL_MPIC_42 KVM_DEV_TYPE_FSL_MPIC_42
1162 KVM_DEV_TYPE_XICS,
1163#define KVM_DEV_TYPE_XICS KVM_DEV_TYPE_XICS
1164 KVM_DEV_TYPE_VFIO,
1165#define KVM_DEV_TYPE_VFIO KVM_DEV_TYPE_VFIO
1166 KVM_DEV_TYPE_ARM_VGIC_V2,
1167#define KVM_DEV_TYPE_ARM_VGIC_V2 KVM_DEV_TYPE_ARM_VGIC_V2
1168 KVM_DEV_TYPE_FLIC,
1169#define KVM_DEV_TYPE_FLIC KVM_DEV_TYPE_FLIC
1170 KVM_DEV_TYPE_ARM_VGIC_V3,
1171#define KVM_DEV_TYPE_ARM_VGIC_V3 KVM_DEV_TYPE_ARM_VGIC_V3
1172 KVM_DEV_TYPE_ARM_VGIC_ITS,
1173#define KVM_DEV_TYPE_ARM_VGIC_ITS KVM_DEV_TYPE_ARM_VGIC_ITS
1174 KVM_DEV_TYPE_MAX,
1175};
1176
1177struct kvm_vfio_spapr_tce {
1178 __s32 groupfd;
1179 __s32 tablefd;
1180};
1181
1182/*
1183 * ioctls for VM fds
1184 */
1185#define KVM_SET_MEMORY_REGION _IOW(KVMIO, 0x40, struct kvm_memory_region)
1186/*
1187 * KVM_CREATE_VCPU receives as a parameter the vcpu slot, and returns
1188 * a vcpu fd.
1189 */
1190#define KVM_CREATE_VCPU _IO(KVMIO, 0x41)
1191#define KVM_GET_DIRTY_LOG _IOW(KVMIO, 0x42, struct kvm_dirty_log)
1192/* KVM_SET_MEMORY_ALIAS is obsolete: */
1193#define KVM_SET_MEMORY_ALIAS _IOW(KVMIO, 0x43, struct kvm_memory_alias)
1194#define KVM_SET_NR_MMU_PAGES _IO(KVMIO, 0x44)
1195#define KVM_GET_NR_MMU_PAGES _IO(KVMIO, 0x45)
1196#define KVM_SET_USER_MEMORY_REGION _IOW(KVMIO, 0x46, \
1197 struct kvm_userspace_memory_region)
1198#define KVM_SET_TSS_ADDR _IO(KVMIO, 0x47)
1199#define KVM_SET_IDENTITY_MAP_ADDR _IOW(KVMIO, 0x48, __u64)
1200
1201/* enable ucontrol for s390 */
1202struct kvm_s390_ucas_mapping {
1203 __u64 user_addr;
1204 __u64 vcpu_addr;
1205 __u64 length;
1206};
1207#define KVM_S390_UCAS_MAP _IOW(KVMIO, 0x50, struct kvm_s390_ucas_mapping)
1208#define KVM_S390_UCAS_UNMAP _IOW(KVMIO, 0x51, struct kvm_s390_ucas_mapping)
1209#define KVM_S390_VCPU_FAULT _IOW(KVMIO, 0x52, unsigned long)
1210
1211/* Device model IOC */
1212#define KVM_CREATE_IRQCHIP _IO(KVMIO, 0x60)
1213#define KVM_IRQ_LINE _IOW(KVMIO, 0x61, struct kvm_irq_level)
1214#define KVM_GET_IRQCHIP _IOWR(KVMIO, 0x62, struct kvm_irqchip)
1215#define KVM_SET_IRQCHIP _IOR(KVMIO, 0x63, struct kvm_irqchip)
1216#define KVM_CREATE_PIT _IO(KVMIO, 0x64)
1217#define KVM_GET_PIT _IOWR(KVMIO, 0x65, struct kvm_pit_state)
1218#define KVM_SET_PIT _IOR(KVMIO, 0x66, struct kvm_pit_state)
1219#define KVM_IRQ_LINE_STATUS _IOWR(KVMIO, 0x67, struct kvm_irq_level)
1220#define KVM_REGISTER_COALESCED_MMIO \
1221 _IOW(KVMIO, 0x67, struct kvm_coalesced_mmio_zone)
1222#define KVM_UNREGISTER_COALESCED_MMIO \
1223 _IOW(KVMIO, 0x68, struct kvm_coalesced_mmio_zone)
1224#define KVM_ASSIGN_PCI_DEVICE _IOR(KVMIO, 0x69, \
1225 struct kvm_assigned_pci_dev)
1226#define KVM_SET_GSI_ROUTING _IOW(KVMIO, 0x6a, struct kvm_irq_routing)
1227/* deprecated, replaced by KVM_ASSIGN_DEV_IRQ */
1228#define KVM_ASSIGN_IRQ __KVM_DEPRECATED_VM_R_0x70
1229#define KVM_ASSIGN_DEV_IRQ _IOW(KVMIO, 0x70, struct kvm_assigned_irq)
1230#define KVM_REINJECT_CONTROL _IO(KVMIO, 0x71)
1231#define KVM_DEASSIGN_PCI_DEVICE _IOW(KVMIO, 0x72, \
1232 struct kvm_assigned_pci_dev)
1233#define KVM_ASSIGN_SET_MSIX_NR _IOW(KVMIO, 0x73, \
1234 struct kvm_assigned_msix_nr)
1235#define KVM_ASSIGN_SET_MSIX_ENTRY _IOW(KVMIO, 0x74, \
1236 struct kvm_assigned_msix_entry)
1237#define KVM_DEASSIGN_DEV_IRQ _IOW(KVMIO, 0x75, struct kvm_assigned_irq)
1238#define KVM_IRQFD _IOW(KVMIO, 0x76, struct kvm_irqfd)
1239#define KVM_CREATE_PIT2 _IOW(KVMIO, 0x77, struct kvm_pit_config)
1240#define KVM_SET_BOOT_CPU_ID _IO(KVMIO, 0x78)
1241#define KVM_IOEVENTFD _IOW(KVMIO, 0x79, struct kvm_ioeventfd)
1242#define KVM_XEN_HVM_CONFIG _IOW(KVMIO, 0x7a, struct kvm_xen_hvm_config)
1243#define KVM_SET_CLOCK _IOW(KVMIO, 0x7b, struct kvm_clock_data)
1244#define KVM_GET_CLOCK _IOR(KVMIO, 0x7c, struct kvm_clock_data)
1245/* Available with KVM_CAP_PIT_STATE2 */
1246#define KVM_GET_PIT2 _IOR(KVMIO, 0x9f, struct kvm_pit_state2)
1247#define KVM_SET_PIT2 _IOW(KVMIO, 0xa0, struct kvm_pit_state2)
1248/* Available with KVM_CAP_PPC_GET_PVINFO */
1249#define KVM_PPC_GET_PVINFO _IOW(KVMIO, 0xa1, struct kvm_ppc_pvinfo)
1250/* Available with KVM_CAP_TSC_CONTROL */
1251#define KVM_SET_TSC_KHZ _IO(KVMIO, 0xa2)
1252#define KVM_GET_TSC_KHZ _IO(KVMIO, 0xa3)
1253/* Available with KVM_CAP_PCI_2_3 */
1254#define KVM_ASSIGN_SET_INTX_MASK _IOW(KVMIO, 0xa4, \
1255 struct kvm_assigned_pci_dev)
1256/* Available with KVM_CAP_SIGNAL_MSI */
1257#define KVM_SIGNAL_MSI _IOW(KVMIO, 0xa5, struct kvm_msi)
1258/* Available with KVM_CAP_PPC_GET_SMMU_INFO */
1259#define KVM_PPC_GET_SMMU_INFO _IOR(KVMIO, 0xa6, struct kvm_ppc_smmu_info)
1260/* Available with KVM_CAP_PPC_ALLOC_HTAB */
1261#define KVM_PPC_ALLOCATE_HTAB _IOWR(KVMIO, 0xa7, __u32)
1262#define KVM_CREATE_SPAPR_TCE _IOW(KVMIO, 0xa8, struct kvm_create_spapr_tce)
1263#define KVM_CREATE_SPAPR_TCE_64 _IOW(KVMIO, 0xa8, \
1264 struct kvm_create_spapr_tce_64)
1265/* Available with KVM_CAP_RMA */
1266#define KVM_ALLOCATE_RMA _IOR(KVMIO, 0xa9, struct kvm_allocate_rma)
1267/* Available with KVM_CAP_PPC_HTAB_FD */
1268#define KVM_PPC_GET_HTAB_FD _IOW(KVMIO, 0xaa, struct kvm_get_htab_fd)
1269/* Available with KVM_CAP_ARM_SET_DEVICE_ADDR */
1270#define KVM_ARM_SET_DEVICE_ADDR _IOW(KVMIO, 0xab, struct kvm_arm_device_addr)
1271/* Available with KVM_CAP_PPC_RTAS */
1272#define KVM_PPC_RTAS_DEFINE_TOKEN _IOW(KVMIO, 0xac, struct kvm_rtas_token_args)
1273/* Available with KVM_CAP_SPAPR_RESIZE_HPT */
1274#define KVM_PPC_RESIZE_HPT_PREPARE _IOR(KVMIO, 0xad, struct kvm_ppc_resize_hpt)
1275#define KVM_PPC_RESIZE_HPT_COMMIT _IOR(KVMIO, 0xae, struct kvm_ppc_resize_hpt)
1276/* Available with KVM_CAP_PPC_RADIX_MMU or KVM_CAP_PPC_HASH_MMU_V3 */
1277#define KVM_PPC_CONFIGURE_V3_MMU _IOW(KVMIO, 0xaf, struct kvm_ppc_mmuv3_cfg)
1278/* Available with KVM_CAP_PPC_RADIX_MMU */
1279#define KVM_PPC_GET_RMMU_INFO _IOW(KVMIO, 0xb0, struct kvm_ppc_rmmu_info)
1280/* Available with KVM_CAP_PPC_GET_CPU_CHAR */
1281#define KVM_PPC_GET_CPU_CHAR _IOR(KVMIO, 0xb1, struct kvm_ppc_cpu_char)
1282
1283/* ioctl for vm fd */
1284#define KVM_CREATE_DEVICE _IOWR(KVMIO, 0xe0, struct kvm_create_device)
1285
1286/* ioctls for fds returned by KVM_CREATE_DEVICE */
1287#define KVM_SET_DEVICE_ATTR _IOW(KVMIO, 0xe1, struct kvm_device_attr)
1288#define KVM_GET_DEVICE_ATTR _IOW(KVMIO, 0xe2, struct kvm_device_attr)
1289#define KVM_HAS_DEVICE_ATTR _IOW(KVMIO, 0xe3, struct kvm_device_attr)
1290
1291/*
1292 * ioctls for vcpu fds
1293 */
1294#define KVM_RUN _IO(KVMIO, 0x80)
1295#define KVM_GET_REGS _IOR(KVMIO, 0x81, struct kvm_regs)
1296#define KVM_SET_REGS _IOW(KVMIO, 0x82, struct kvm_regs)
1297#define KVM_GET_SREGS _IOR(KVMIO, 0x83, struct kvm_sregs)
1298#define KVM_SET_SREGS _IOW(KVMIO, 0x84, struct kvm_sregs)
1299#define KVM_TRANSLATE _IOWR(KVMIO, 0x85, struct kvm_translation)
1300#define KVM_INTERRUPT _IOW(KVMIO, 0x86, struct kvm_interrupt)
1301/* KVM_DEBUG_GUEST is no longer supported, use KVM_SET_GUEST_DEBUG instead */
1302#define KVM_DEBUG_GUEST __KVM_DEPRECATED_VCPU_W_0x87
1303#define KVM_GET_MSRS _IOWR(KVMIO, 0x88, struct kvm_msrs)
1304#define KVM_SET_MSRS _IOW(KVMIO, 0x89, struct kvm_msrs)
1305#define KVM_SET_CPUID _IOW(KVMIO, 0x8a, struct kvm_cpuid)
1306#define KVM_SET_SIGNAL_MASK _IOW(KVMIO, 0x8b, struct kvm_signal_mask)
1307#define KVM_GET_FPU _IOR(KVMIO, 0x8c, struct kvm_fpu)
1308#define KVM_SET_FPU _IOW(KVMIO, 0x8d, struct kvm_fpu)
1309#define KVM_GET_LAPIC _IOR(KVMIO, 0x8e, struct kvm_lapic_state)
1310#define KVM_SET_LAPIC _IOW(KVMIO, 0x8f, struct kvm_lapic_state)
1311#define KVM_SET_CPUID2 _IOW(KVMIO, 0x90, struct kvm_cpuid2)
1312#define KVM_GET_CPUID2 _IOWR(KVMIO, 0x91, struct kvm_cpuid2)
1313/* Available with KVM_CAP_VAPIC */
1314#define KVM_TPR_ACCESS_REPORTING _IOWR(KVMIO, 0x92, struct kvm_tpr_access_ctl)
1315/* Available with KVM_CAP_VAPIC */
1316#define KVM_SET_VAPIC_ADDR _IOW(KVMIO, 0x93, struct kvm_vapic_addr)
1317/* valid for virtual machine (for floating interrupt)_and_ vcpu */
1318#define KVM_S390_INTERRUPT _IOW(KVMIO, 0x94, struct kvm_s390_interrupt)
1319/* store status for s390 */
1320#define KVM_S390_STORE_STATUS_NOADDR (-1ul)
1321#define KVM_S390_STORE_STATUS_PREFIXED (-2ul)
1322#define KVM_S390_STORE_STATUS _IOW(KVMIO, 0x95, unsigned long)
1323/* initial ipl psw for s390 */
1324#define KVM_S390_SET_INITIAL_PSW _IOW(KVMIO, 0x96, struct kvm_s390_psw)
1325/* initial reset for s390 */
1326#define KVM_S390_INITIAL_RESET _IO(KVMIO, 0x97)
1327#define KVM_GET_MP_STATE _IOR(KVMIO, 0x98, struct kvm_mp_state)
1328#define KVM_SET_MP_STATE _IOW(KVMIO, 0x99, struct kvm_mp_state)
1329/* Available with KVM_CAP_USER_NMI */
1330#define KVM_NMI _IO(KVMIO, 0x9a)
1331/* Available with KVM_CAP_SET_GUEST_DEBUG */
1332#define KVM_SET_GUEST_DEBUG _IOW(KVMIO, 0x9b, struct kvm_guest_debug)
1333/* MCE for x86 */
1334#define KVM_X86_SETUP_MCE _IOW(KVMIO, 0x9c, __u64)
1335#define KVM_X86_GET_MCE_CAP_SUPPORTED _IOR(KVMIO, 0x9d, __u64)
1336#define KVM_X86_SET_MCE _IOW(KVMIO, 0x9e, struct kvm_x86_mce)
1337/* Available with KVM_CAP_VCPU_EVENTS */
1338#define KVM_GET_VCPU_EVENTS _IOR(KVMIO, 0x9f, struct kvm_vcpu_events)
1339#define KVM_SET_VCPU_EVENTS _IOW(KVMIO, 0xa0, struct kvm_vcpu_events)
1340/* Available with KVM_CAP_DEBUGREGS */
1341#define KVM_GET_DEBUGREGS _IOR(KVMIO, 0xa1, struct kvm_debugregs)
1342#define KVM_SET_DEBUGREGS _IOW(KVMIO, 0xa2, struct kvm_debugregs)
1343/*
1344 * vcpu version available with KVM_ENABLE_CAP
1345 * vm version available with KVM_CAP_ENABLE_CAP_VM
1346 */
1347#define KVM_ENABLE_CAP _IOW(KVMIO, 0xa3, struct kvm_enable_cap)
1348/* Available with KVM_CAP_XSAVE */
1349#define KVM_GET_XSAVE _IOR(KVMIO, 0xa4, struct kvm_xsave)
1350#define KVM_SET_XSAVE _IOW(KVMIO, 0xa5, struct kvm_xsave)
1351/* Available with KVM_CAP_XCRS */
1352#define KVM_GET_XCRS _IOR(KVMIO, 0xa6, struct kvm_xcrs)
1353#define KVM_SET_XCRS _IOW(KVMIO, 0xa7, struct kvm_xcrs)
1354/* Available with KVM_CAP_SW_TLB */
1355#define KVM_DIRTY_TLB _IOW(KVMIO, 0xaa, struct kvm_dirty_tlb)
1356/* Available with KVM_CAP_ONE_REG */
1357#define KVM_GET_ONE_REG _IOW(KVMIO, 0xab, struct kvm_one_reg)
1358#define KVM_SET_ONE_REG _IOW(KVMIO, 0xac, struct kvm_one_reg)
1359/* VM is being stopped by host */
1360#define KVM_KVMCLOCK_CTRL _IO(KVMIO, 0xad)
1361#define KVM_ARM_VCPU_INIT _IOW(KVMIO, 0xae, struct kvm_vcpu_init)
1362#define KVM_ARM_PREFERRED_TARGET _IOR(KVMIO, 0xaf, struct kvm_vcpu_init)
1363#define KVM_GET_REG_LIST _IOWR(KVMIO, 0xb0, struct kvm_reg_list)
1364/* Available with KVM_CAP_S390_MEM_OP */
1365#define KVM_S390_MEM_OP _IOW(KVMIO, 0xb1, struct kvm_s390_mem_op)
1366/* Available with KVM_CAP_S390_SKEYS */
1367#define KVM_S390_GET_SKEYS _IOW(KVMIO, 0xb2, struct kvm_s390_skeys)
1368#define KVM_S390_SET_SKEYS _IOW(KVMIO, 0xb3, struct kvm_s390_skeys)
1369/* Available with KVM_CAP_S390_INJECT_IRQ */
1370#define KVM_S390_IRQ _IOW(KVMIO, 0xb4, struct kvm_s390_irq)
1371/* Available with KVM_CAP_S390_IRQ_STATE */
1372#define KVM_S390_SET_IRQ_STATE _IOW(KVMIO, 0xb5, struct kvm_s390_irq_state)
1373#define KVM_S390_GET_IRQ_STATE _IOW(KVMIO, 0xb6, struct kvm_s390_irq_state)
1374/* Available with KVM_CAP_X86_SMM */
1375#define KVM_SMI _IO(KVMIO, 0xb7)
1376/* Available with KVM_CAP_S390_CMMA_MIGRATION */
1377#define KVM_S390_GET_CMMA_BITS _IOWR(KVMIO, 0xb8, struct kvm_s390_cmma_log)
1378#define KVM_S390_SET_CMMA_BITS _IOW(KVMIO, 0xb9, struct kvm_s390_cmma_log)
1379/* Memory Encryption Commands */
1380#define KVM_MEMORY_ENCRYPT_OP _IOWR(KVMIO, 0xba, unsigned long)
1381
1382struct kvm_enc_region {
1383 __u64 addr;
1384 __u64 size;
1385};
1386
1387#define KVM_MEMORY_ENCRYPT_REG_REGION _IOR(KVMIO, 0xbb, struct kvm_enc_region)
1388#define KVM_MEMORY_ENCRYPT_UNREG_REGION _IOR(KVMIO, 0xbc, struct kvm_enc_region)
1389
1390/* Available with KVM_CAP_HYPERV_EVENTFD */
1391#define KVM_HYPERV_EVENTFD _IOW(KVMIO, 0xbd, struct kvm_hyperv_eventfd)
1392
1393
1394/* Secure Encrypted Virtualization command */
1395enum sev_cmd_id {
1396 /* Guest initialization commands */
1397 KVM_SEV_INIT = 0,
1398 KVM_SEV_ES_INIT,
1399 /* Guest launch commands */
1400 KVM_SEV_LAUNCH_START,
1401 KVM_SEV_LAUNCH_UPDATE_DATA,
1402 KVM_SEV_LAUNCH_UPDATE_VMSA,
1403 KVM_SEV_LAUNCH_SECRET,
1404 KVM_SEV_LAUNCH_MEASURE,
1405 KVM_SEV_LAUNCH_FINISH,
1406 /* Guest migration commands (outgoing) */
1407 KVM_SEV_SEND_START,
1408 KVM_SEV_SEND_UPDATE_DATA,
1409 KVM_SEV_SEND_UPDATE_VMSA,
1410 KVM_SEV_SEND_FINISH,
1411 /* Guest migration commands (incoming) */
1412 KVM_SEV_RECEIVE_START,
1413 KVM_SEV_RECEIVE_UPDATE_DATA,
1414 KVM_SEV_RECEIVE_UPDATE_VMSA,
1415 KVM_SEV_RECEIVE_FINISH,
1416 /* Guest status and debug commands */
1417 KVM_SEV_GUEST_STATUS,
1418 KVM_SEV_DBG_DECRYPT,
1419 KVM_SEV_DBG_ENCRYPT,
1420 /* Guest certificates commands */
1421 KVM_SEV_CERT_EXPORT,
1422
1423 KVM_SEV_NR_MAX,
1424};
1425
1426struct kvm_sev_cmd {
1427 __u32 id;
1428 __u64 data;
1429 __u32 error;
1430 __u32 sev_fd;
1431};
1432
1433struct kvm_sev_launch_start {
1434 __u32 handle;
1435 __u32 policy;
1436 __u64 dh_uaddr;
1437 __u32 dh_len;
1438 __u64 session_uaddr;
1439 __u32 session_len;
1440};
1441
1442struct kvm_sev_launch_update_data {
1443 __u64 uaddr;
1444 __u32 len;
1445};
1446
1447
1448struct kvm_sev_launch_secret {
1449 __u64 hdr_uaddr;
1450 __u32 hdr_len;
1451 __u64 guest_uaddr;
1452 __u32 guest_len;
1453 __u64 trans_uaddr;
1454 __u32 trans_len;
1455};
1456
1457struct kvm_sev_launch_measure {
1458 __u64 uaddr;
1459 __u32 len;
1460};
1461
1462struct kvm_sev_guest_status {
1463 __u32 handle;
1464 __u32 policy;
1465 __u32 state;
1466};
1467
1468struct kvm_sev_dbg {
1469 __u64 src_uaddr;
1470 __u64 dst_uaddr;
1471 __u32 len;
1472};
1473
1474#define KVM_DEV_ASSIGN_ENABLE_IOMMU (1 << 0)
1475#define KVM_DEV_ASSIGN_PCI_2_3 (1 << 1)
1476#define KVM_DEV_ASSIGN_MASK_INTX (1 << 2)
1477
1478struct kvm_assigned_pci_dev {
1479 __u32 assigned_dev_id;
1480 __u32 busnr;
1481 __u32 devfn;
1482 __u32 flags;
1483 __u32 segnr;
1484 union {
1485 __u32 reserved[11];
1486 };
1487};
1488
1489#define KVM_DEV_IRQ_HOST_INTX (1 << 0)
1490#define KVM_DEV_IRQ_HOST_MSI (1 << 1)
1491#define KVM_DEV_IRQ_HOST_MSIX (1 << 2)
1492
1493#define KVM_DEV_IRQ_GUEST_INTX (1 << 8)
1494#define KVM_DEV_IRQ_GUEST_MSI (1 << 9)
1495#define KVM_DEV_IRQ_GUEST_MSIX (1 << 10)
1496
1497#define KVM_DEV_IRQ_HOST_MASK 0x00ff
1498#define KVM_DEV_IRQ_GUEST_MASK 0xff00
1499
1500struct kvm_assigned_irq {
1501 __u32 assigned_dev_id;
1502 __u32 host_irq; /* ignored (legacy field) */
1503 __u32 guest_irq;
1504 __u32 flags;
1505 union {
1506 __u32 reserved[12];
1507 };
1508};
1509
1510struct kvm_assigned_msix_nr {
1511 __u32 assigned_dev_id;
1512 __u16 entry_nr;
1513 __u16 padding;
1514};
1515
1516#define KVM_MAX_MSIX_PER_DEV 256
1517struct kvm_assigned_msix_entry {
1518 __u32 assigned_dev_id;
1519 __u32 gsi;
1520 __u16 entry; /* The index of entry in the MSI-X table */
1521 __u16 padding[3];
1522};
1523
1524#define KVM_X2APIC_API_USE_32BIT_IDS (1ULL << 0)
1525#define KVM_X2APIC_API_DISABLE_BROADCAST_QUIRK (1ULL << 1)
1526
1527/* Available with KVM_CAP_ARM_USER_IRQ */
1528
1529/* Bits for run->s.regs.device_irq_level */
1530#define KVM_ARM_DEV_EL1_VTIMER (1 << 0)
1531#define KVM_ARM_DEV_EL1_PTIMER (1 << 1)
1532#define KVM_ARM_DEV_PMU (1 << 2)
1533
1534struct kvm_hyperv_eventfd {
1535 __u32 conn_id;
1536 __s32 fd;
1537 __u32 flags;
1538 __u32 padding[3];
1539};
1540
1541#define KVM_HYPERV_CONN_ID_MASK 0x00ffffff
1542#define KVM_HYPERV_EVENTFD_DEASSIGN (1 << 0)
1543
1544#endif /* __LINUX_KVM_H */