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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/virt/kvm/api.rst
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#define KVM_EXIT_HYPERV_SYNDBG 3
192 __u32 type;
193 __u32 pad1;
194 union {
195 struct {
196 __u32 msr;
197 __u32 pad2;
198 __u64 control;
199 __u64 evt_page;
200 __u64 msg_page;
201 } synic;
202 struct {
203 __u64 input;
204 __u64 result;
205 __u64 params[2];
206 } hcall;
207 struct {
208 __u32 msr;
209 __u32 pad2;
210 __u64 control;
211 __u64 status;
212 __u64 send_page;
213 __u64 recv_page;
214 __u64 pending_page;
215 } syndbg;
216 } u;
217};
218
219struct kvm_xen_exit {
220#define KVM_EXIT_XEN_HCALL 1
221 __u32 type;
222 union {
223 struct {
224 __u32 longmode;
225 __u32 cpl;
226 __u64 input;
227 __u64 result;
228 __u64 params[6];
229 } hcall;
230 } u;
231};
232
233#define KVM_S390_GET_SKEYS_NONE 1
234#define KVM_S390_SKEYS_MAX 1048576
235
236#define KVM_EXIT_UNKNOWN 0
237#define KVM_EXIT_EXCEPTION 1
238#define KVM_EXIT_IO 2
239#define KVM_EXIT_HYPERCALL 3
240#define KVM_EXIT_DEBUG 4
241#define KVM_EXIT_HLT 5
242#define KVM_EXIT_MMIO 6
243#define KVM_EXIT_IRQ_WINDOW_OPEN 7
244#define KVM_EXIT_SHUTDOWN 8
245#define KVM_EXIT_FAIL_ENTRY 9
246#define KVM_EXIT_INTR 10
247#define KVM_EXIT_SET_TPR 11
248#define KVM_EXIT_TPR_ACCESS 12
249#define KVM_EXIT_S390_SIEIC 13
250#define KVM_EXIT_S390_RESET 14
251#define KVM_EXIT_DCR 15 /* deprecated */
252#define KVM_EXIT_NMI 16
253#define KVM_EXIT_INTERNAL_ERROR 17
254#define KVM_EXIT_OSI 18
255#define KVM_EXIT_PAPR_HCALL 19
256#define KVM_EXIT_S390_UCONTROL 20
257#define KVM_EXIT_WATCHDOG 21
258#define KVM_EXIT_S390_TSCH 22
259#define KVM_EXIT_EPR 23
260#define KVM_EXIT_SYSTEM_EVENT 24
261#define KVM_EXIT_S390_STSI 25
262#define KVM_EXIT_IOAPIC_EOI 26
263#define KVM_EXIT_HYPERV 27
264#define KVM_EXIT_ARM_NISV 28
265#define KVM_EXIT_X86_RDMSR 29
266#define KVM_EXIT_X86_WRMSR 30
267#define KVM_EXIT_DIRTY_RING_FULL 31
268#define KVM_EXIT_AP_RESET_HOLD 32
269#define KVM_EXIT_X86_BUS_LOCK 33
270#define KVM_EXIT_XEN 34
271
272/* For KVM_EXIT_INTERNAL_ERROR */
273/* Emulate instruction failed. */
274#define KVM_INTERNAL_ERROR_EMULATION 1
275/* Encounter unexpected simultaneous exceptions. */
276#define KVM_INTERNAL_ERROR_SIMUL_EX 2
277/* Encounter unexpected vm-exit due to delivery event. */
278#define KVM_INTERNAL_ERROR_DELIVERY_EV 3
279/* Encounter unexpected vm-exit reason */
280#define KVM_INTERNAL_ERROR_UNEXPECTED_EXIT_REASON 4
281
282/* for KVM_RUN, returned by mmap(vcpu_fd, offset=0) */
283struct kvm_run {
284 /* in */
285 __u8 request_interrupt_window;
286 __u8 immediate_exit;
287 __u8 padding1[6];
288
289 /* out */
290 __u32 exit_reason;
291 __u8 ready_for_interrupt_injection;
292 __u8 if_flag;
293 __u16 flags;
294
295 /* in (pre_kvm_run), out (post_kvm_run) */
296 __u64 cr8;
297 __u64 apic_base;
298
299#ifdef __KVM_S390
300 /* the processor status word for s390 */
301 __u64 psw_mask; /* psw upper half */
302 __u64 psw_addr; /* psw lower half */
303#endif
304 union {
305 /* KVM_EXIT_UNKNOWN */
306 struct {
307 __u64 hardware_exit_reason;
308 } hw;
309 /* KVM_EXIT_FAIL_ENTRY */
310 struct {
311 __u64 hardware_entry_failure_reason;
312 __u32 cpu;
313 } fail_entry;
314 /* KVM_EXIT_EXCEPTION */
315 struct {
316 __u32 exception;
317 __u32 error_code;
318 } ex;
319 /* KVM_EXIT_IO */
320 struct {
321#define KVM_EXIT_IO_IN 0
322#define KVM_EXIT_IO_OUT 1
323 __u8 direction;
324 __u8 size; /* bytes */
325 __u16 port;
326 __u32 count;
327 __u64 data_offset; /* relative to kvm_run start */
328 } io;
329 /* KVM_EXIT_DEBUG */
330 struct {
331 struct kvm_debug_exit_arch arch;
332 } debug;
333 /* KVM_EXIT_MMIO */
334 struct {
335 __u64 phys_addr;
336 __u8 data[8];
337 __u32 len;
338 __u8 is_write;
339 } mmio;
340 /* KVM_EXIT_HYPERCALL */
341 struct {
342 __u64 nr;
343 __u64 args[6];
344 __u64 ret;
345 __u32 longmode;
346 __u32 pad;
347 } hypercall;
348 /* KVM_EXIT_TPR_ACCESS */
349 struct {
350 __u64 rip;
351 __u32 is_write;
352 __u32 pad;
353 } tpr_access;
354 /* KVM_EXIT_S390_SIEIC */
355 struct {
356 __u8 icptcode;
357 __u16 ipa;
358 __u32 ipb;
359 } s390_sieic;
360 /* KVM_EXIT_S390_RESET */
361#define KVM_S390_RESET_POR 1
362#define KVM_S390_RESET_CLEAR 2
363#define KVM_S390_RESET_SUBSYSTEM 4
364#define KVM_S390_RESET_CPU_INIT 8
365#define KVM_S390_RESET_IPL 16
366 __u64 s390_reset_flags;
367 /* KVM_EXIT_S390_UCONTROL */
368 struct {
369 __u64 trans_exc_code;
370 __u32 pgm_code;
371 } s390_ucontrol;
372 /* KVM_EXIT_DCR (deprecated) */
373 struct {
374 __u32 dcrn;
375 __u32 data;
376 __u8 is_write;
377 } dcr;
378 /* KVM_EXIT_INTERNAL_ERROR */
379 struct {
380 __u32 suberror;
381 /* Available with KVM_CAP_INTERNAL_ERROR_DATA: */
382 __u32 ndata;
383 __u64 data[16];
384 } internal;
385 /* KVM_EXIT_OSI */
386 struct {
387 __u64 gprs[32];
388 } osi;
389 /* KVM_EXIT_PAPR_HCALL */
390 struct {
391 __u64 nr;
392 __u64 ret;
393 __u64 args[9];
394 } papr_hcall;
395 /* KVM_EXIT_S390_TSCH */
396 struct {
397 __u16 subchannel_id;
398 __u16 subchannel_nr;
399 __u32 io_int_parm;
400 __u32 io_int_word;
401 __u32 ipb;
402 __u8 dequeued;
403 } s390_tsch;
404 /* KVM_EXIT_EPR */
405 struct {
406 __u32 epr;
407 } epr;
408 /* KVM_EXIT_SYSTEM_EVENT */
409 struct {
410#define KVM_SYSTEM_EVENT_SHUTDOWN 1
411#define KVM_SYSTEM_EVENT_RESET 2
412#define KVM_SYSTEM_EVENT_CRASH 3
413 __u32 type;
414 __u64 flags;
415 } system_event;
416 /* KVM_EXIT_S390_STSI */
417 struct {
418 __u64 addr;
419 __u8 ar;
420 __u8 reserved;
421 __u8 fc;
422 __u8 sel1;
423 __u16 sel2;
424 } s390_stsi;
425 /* KVM_EXIT_IOAPIC_EOI */
426 struct {
427 __u8 vector;
428 } eoi;
429 /* KVM_EXIT_HYPERV */
430 struct kvm_hyperv_exit hyperv;
431 /* KVM_EXIT_ARM_NISV */
432 struct {
433 __u64 esr_iss;
434 __u64 fault_ipa;
435 } arm_nisv;
436 /* KVM_EXIT_X86_RDMSR / KVM_EXIT_X86_WRMSR */
437 struct {
438 __u8 error; /* user -> kernel */
439 __u8 pad[7];
440#define KVM_MSR_EXIT_REASON_INVAL (1 << 0)
441#define KVM_MSR_EXIT_REASON_UNKNOWN (1 << 1)
442#define KVM_MSR_EXIT_REASON_FILTER (1 << 2)
443 __u32 reason; /* kernel -> user */
444 __u32 index; /* kernel -> user */
445 __u64 data; /* kernel <-> user */
446 } msr;
447 /* KVM_EXIT_XEN */
448 struct kvm_xen_exit xen;
449 /* Fix the size of the union. */
450 char padding[256];
451 };
452
453 /* 2048 is the size of the char array used to bound/pad the size
454 * of the union that holds sync regs.
455 */
456 #define SYNC_REGS_SIZE_BYTES 2048
457 /*
458 * shared registers between kvm and userspace.
459 * kvm_valid_regs specifies the register classes set by the host
460 * kvm_dirty_regs specified the register classes dirtied by userspace
461 * struct kvm_sync_regs is architecture specific, as well as the
462 * bits for kvm_valid_regs and kvm_dirty_regs
463 */
464 __u64 kvm_valid_regs;
465 __u64 kvm_dirty_regs;
466 union {
467 struct kvm_sync_regs regs;
468 char padding[SYNC_REGS_SIZE_BYTES];
469 } s;
470};
471
472/* for KVM_REGISTER_COALESCED_MMIO / KVM_UNREGISTER_COALESCED_MMIO */
473
474struct kvm_coalesced_mmio_zone {
475 __u64 addr;
476 __u32 size;
477 union {
478 __u32 pad;
479 __u32 pio;
480 };
481};
482
483struct kvm_coalesced_mmio {
484 __u64 phys_addr;
485 __u32 len;
486 union {
487 __u32 pad;
488 __u32 pio;
489 };
490 __u8 data[8];
491};
492
493struct kvm_coalesced_mmio_ring {
494 __u32 first, last;
495 struct kvm_coalesced_mmio coalesced_mmio[0];
496};
497
498#define KVM_COALESCED_MMIO_MAX \
499 ((PAGE_SIZE - sizeof(struct kvm_coalesced_mmio_ring)) / \
500 sizeof(struct kvm_coalesced_mmio))
501
502/* for KVM_TRANSLATE */
503struct kvm_translation {
504 /* in */
505 __u64 linear_address;
506
507 /* out */
508 __u64 physical_address;
509 __u8 valid;
510 __u8 writeable;
511 __u8 usermode;
512 __u8 pad[5];
513};
514
515/* for KVM_S390_MEM_OP */
516struct kvm_s390_mem_op {
517 /* in */
518 __u64 gaddr; /* the guest address */
519 __u64 flags; /* flags */
520 __u32 size; /* amount of bytes */
521 __u32 op; /* type of operation */
522 __u64 buf; /* buffer in userspace */
523 union {
524 __u8 ar; /* the access register number */
525 __u32 sida_offset; /* offset into the sida */
526 __u8 reserved[32]; /* should be set to 0 */
527 };
528};
529/* types for kvm_s390_mem_op->op */
530#define KVM_S390_MEMOP_LOGICAL_READ 0
531#define KVM_S390_MEMOP_LOGICAL_WRITE 1
532#define KVM_S390_MEMOP_SIDA_READ 2
533#define KVM_S390_MEMOP_SIDA_WRITE 3
534/* flags for kvm_s390_mem_op->flags */
535#define KVM_S390_MEMOP_F_CHECK_ONLY (1ULL << 0)
536#define KVM_S390_MEMOP_F_INJECT_EXCEPTION (1ULL << 1)
537
538/* for KVM_INTERRUPT */
539struct kvm_interrupt {
540 /* in */
541 __u32 irq;
542};
543
544/* for KVM_GET_DIRTY_LOG */
545struct kvm_dirty_log {
546 __u32 slot;
547 __u32 padding1;
548 union {
549 void __user *dirty_bitmap; /* one bit per page */
550 __u64 padding2;
551 };
552};
553
554/* for KVM_CLEAR_DIRTY_LOG */
555struct kvm_clear_dirty_log {
556 __u32 slot;
557 __u32 num_pages;
558 __u64 first_page;
559 union {
560 void __user *dirty_bitmap; /* one bit per page */
561 __u64 padding2;
562 };
563};
564
565/* for KVM_SET_SIGNAL_MASK */
566struct kvm_signal_mask {
567 __u32 len;
568 __u8 sigset[0];
569};
570
571/* for KVM_TPR_ACCESS_REPORTING */
572struct kvm_tpr_access_ctl {
573 __u32 enabled;
574 __u32 flags;
575 __u32 reserved[8];
576};
577
578/* for KVM_SET_VAPIC_ADDR */
579struct kvm_vapic_addr {
580 __u64 vapic_addr;
581};
582
583/* for KVM_SET_MP_STATE */
584
585/* not all states are valid on all architectures */
586#define KVM_MP_STATE_RUNNABLE 0
587#define KVM_MP_STATE_UNINITIALIZED 1
588#define KVM_MP_STATE_INIT_RECEIVED 2
589#define KVM_MP_STATE_HALTED 3
590#define KVM_MP_STATE_SIPI_RECEIVED 4
591#define KVM_MP_STATE_STOPPED 5
592#define KVM_MP_STATE_CHECK_STOP 6
593#define KVM_MP_STATE_OPERATING 7
594#define KVM_MP_STATE_LOAD 8
595#define KVM_MP_STATE_AP_RESET_HOLD 9
596
597struct kvm_mp_state {
598 __u32 mp_state;
599};
600
601struct kvm_s390_psw {
602 __u64 mask;
603 __u64 addr;
604};
605
606/* valid values for type in kvm_s390_interrupt */
607#define KVM_S390_SIGP_STOP 0xfffe0000u
608#define KVM_S390_PROGRAM_INT 0xfffe0001u
609#define KVM_S390_SIGP_SET_PREFIX 0xfffe0002u
610#define KVM_S390_RESTART 0xfffe0003u
611#define KVM_S390_INT_PFAULT_INIT 0xfffe0004u
612#define KVM_S390_INT_PFAULT_DONE 0xfffe0005u
613#define KVM_S390_MCHK 0xfffe1000u
614#define KVM_S390_INT_CLOCK_COMP 0xffff1004u
615#define KVM_S390_INT_CPU_TIMER 0xffff1005u
616#define KVM_S390_INT_VIRTIO 0xffff2603u
617#define KVM_S390_INT_SERVICE 0xffff2401u
618#define KVM_S390_INT_EMERGENCY 0xffff1201u
619#define KVM_S390_INT_EXTERNAL_CALL 0xffff1202u
620/* Anything below 0xfffe0000u is taken by INT_IO */
621#define KVM_S390_INT_IO(ai,cssid,ssid,schid) \
622 (((schid)) | \
623 ((ssid) << 16) | \
624 ((cssid) << 18) | \
625 ((ai) << 26))
626#define KVM_S390_INT_IO_MIN 0x00000000u
627#define KVM_S390_INT_IO_MAX 0xfffdffffu
628#define KVM_S390_INT_IO_AI_MASK 0x04000000u
629
630
631struct kvm_s390_interrupt {
632 __u32 type;
633 __u32 parm;
634 __u64 parm64;
635};
636
637struct kvm_s390_io_info {
638 __u16 subchannel_id;
639 __u16 subchannel_nr;
640 __u32 io_int_parm;
641 __u32 io_int_word;
642};
643
644struct kvm_s390_ext_info {
645 __u32 ext_params;
646 __u32 pad;
647 __u64 ext_params2;
648};
649
650struct kvm_s390_pgm_info {
651 __u64 trans_exc_code;
652 __u64 mon_code;
653 __u64 per_address;
654 __u32 data_exc_code;
655 __u16 code;
656 __u16 mon_class_nr;
657 __u8 per_code;
658 __u8 per_atmid;
659 __u8 exc_access_id;
660 __u8 per_access_id;
661 __u8 op_access_id;
662#define KVM_S390_PGM_FLAGS_ILC_VALID 0x01
663#define KVM_S390_PGM_FLAGS_ILC_0 0x02
664#define KVM_S390_PGM_FLAGS_ILC_1 0x04
665#define KVM_S390_PGM_FLAGS_ILC_MASK 0x06
666#define KVM_S390_PGM_FLAGS_NO_REWIND 0x08
667 __u8 flags;
668 __u8 pad[2];
669};
670
671struct kvm_s390_prefix_info {
672 __u32 address;
673};
674
675struct kvm_s390_extcall_info {
676 __u16 code;
677};
678
679struct kvm_s390_emerg_info {
680 __u16 code;
681};
682
683#define KVM_S390_STOP_FLAG_STORE_STATUS 0x01
684struct kvm_s390_stop_info {
685 __u32 flags;
686};
687
688struct kvm_s390_mchk_info {
689 __u64 cr14;
690 __u64 mcic;
691 __u64 failing_storage_address;
692 __u32 ext_damage_code;
693 __u32 pad;
694 __u8 fixed_logout[16];
695};
696
697struct kvm_s390_irq {
698 __u64 type;
699 union {
700 struct kvm_s390_io_info io;
701 struct kvm_s390_ext_info ext;
702 struct kvm_s390_pgm_info pgm;
703 struct kvm_s390_emerg_info emerg;
704 struct kvm_s390_extcall_info extcall;
705 struct kvm_s390_prefix_info prefix;
706 struct kvm_s390_stop_info stop;
707 struct kvm_s390_mchk_info mchk;
708 char reserved[64];
709 } u;
710};
711
712struct kvm_s390_irq_state {
713 __u64 buf;
714 __u32 flags; /* will stay unused for compatibility reasons */
715 __u32 len;
716 __u32 reserved[4]; /* will stay unused for compatibility reasons */
717};
718
719/* for KVM_SET_GUEST_DEBUG */
720
721#define KVM_GUESTDBG_ENABLE 0x00000001
722#define KVM_GUESTDBG_SINGLESTEP 0x00000002
723
724struct kvm_guest_debug {
725 __u32 control;
726 __u32 pad;
727 struct kvm_guest_debug_arch arch;
728};
729
730enum {
731 kvm_ioeventfd_flag_nr_datamatch,
732 kvm_ioeventfd_flag_nr_pio,
733 kvm_ioeventfd_flag_nr_deassign,
734 kvm_ioeventfd_flag_nr_virtio_ccw_notify,
735 kvm_ioeventfd_flag_nr_fast_mmio,
736 kvm_ioeventfd_flag_nr_max,
737};
738
739#define KVM_IOEVENTFD_FLAG_DATAMATCH (1 << kvm_ioeventfd_flag_nr_datamatch)
740#define KVM_IOEVENTFD_FLAG_PIO (1 << kvm_ioeventfd_flag_nr_pio)
741#define KVM_IOEVENTFD_FLAG_DEASSIGN (1 << kvm_ioeventfd_flag_nr_deassign)
742#define KVM_IOEVENTFD_FLAG_VIRTIO_CCW_NOTIFY \
743 (1 << kvm_ioeventfd_flag_nr_virtio_ccw_notify)
744
745#define KVM_IOEVENTFD_VALID_FLAG_MASK ((1 << kvm_ioeventfd_flag_nr_max) - 1)
746
747struct kvm_ioeventfd {
748 __u64 datamatch;
749 __u64 addr; /* legal pio/mmio address */
750 __u32 len; /* 1, 2, 4, or 8 bytes; or 0 to ignore length */
751 __s32 fd;
752 __u32 flags;
753 __u8 pad[36];
754};
755
756#define KVM_X86_DISABLE_EXITS_MWAIT (1 << 0)
757#define KVM_X86_DISABLE_EXITS_HLT (1 << 1)
758#define KVM_X86_DISABLE_EXITS_PAUSE (1 << 2)
759#define KVM_X86_DISABLE_EXITS_CSTATE (1 << 3)
760#define KVM_X86_DISABLE_VALID_EXITS (KVM_X86_DISABLE_EXITS_MWAIT | \
761 KVM_X86_DISABLE_EXITS_HLT | \
762 KVM_X86_DISABLE_EXITS_PAUSE | \
763 KVM_X86_DISABLE_EXITS_CSTATE)
764
765/* for KVM_ENABLE_CAP */
766struct kvm_enable_cap {
767 /* in */
768 __u32 cap;
769 __u32 flags;
770 __u64 args[4];
771 __u8 pad[64];
772};
773
774/* for KVM_PPC_GET_PVINFO */
775
776#define KVM_PPC_PVINFO_FLAGS_EV_IDLE (1<<0)
777
778struct kvm_ppc_pvinfo {
779 /* out */
780 __u32 flags;
781 __u32 hcall[4];
782 __u8 pad[108];
783};
784
785/* for KVM_PPC_GET_SMMU_INFO */
786#define KVM_PPC_PAGE_SIZES_MAX_SZ 8
787
788struct kvm_ppc_one_page_size {
789 __u32 page_shift; /* Page shift (or 0) */
790 __u32 pte_enc; /* Encoding in the HPTE (>>12) */
791};
792
793struct kvm_ppc_one_seg_page_size {
794 __u32 page_shift; /* Base page shift of segment (or 0) */
795 __u32 slb_enc; /* SLB encoding for BookS */
796 struct kvm_ppc_one_page_size enc[KVM_PPC_PAGE_SIZES_MAX_SZ];
797};
798
799#define KVM_PPC_PAGE_SIZES_REAL 0x00000001
800#define KVM_PPC_1T_SEGMENTS 0x00000002
801#define KVM_PPC_NO_HASH 0x00000004
802
803struct kvm_ppc_smmu_info {
804 __u64 flags;
805 __u32 slb_size;
806 __u16 data_keys; /* # storage keys supported for data */
807 __u16 instr_keys; /* # storage keys supported for instructions */
808 struct kvm_ppc_one_seg_page_size sps[KVM_PPC_PAGE_SIZES_MAX_SZ];
809};
810
811/* for KVM_PPC_RESIZE_HPT_{PREPARE,COMMIT} */
812struct kvm_ppc_resize_hpt {
813 __u64 flags;
814 __u32 shift;
815 __u32 pad;
816};
817
818#define KVMIO 0xAE
819
820/* machine type bits, to be used as argument to KVM_CREATE_VM */
821#define KVM_VM_S390_UCONTROL 1
822
823/* on ppc, 0 indicate default, 1 should force HV and 2 PR */
824#define KVM_VM_PPC_HV 1
825#define KVM_VM_PPC_PR 2
826
827/* on MIPS, 0 indicates auto, 1 forces VZ ASE, 2 forces trap & emulate */
828#define KVM_VM_MIPS_AUTO 0
829#define KVM_VM_MIPS_VZ 1
830#define KVM_VM_MIPS_TE 2
831
832#define KVM_S390_SIE_PAGE_OFFSET 1
833
834/*
835 * On arm64, machine type can be used to request the physical
836 * address size for the VM. Bits[7-0] are reserved for the guest
837 * PA size shift (i.e, log2(PA_Size)). For backward compatibility,
838 * value 0 implies the default IPA size, 40bits.
839 */
840#define KVM_VM_TYPE_ARM_IPA_SIZE_MASK 0xffULL
841#define KVM_VM_TYPE_ARM_IPA_SIZE(x) \
842 ((x) & KVM_VM_TYPE_ARM_IPA_SIZE_MASK)
843/*
844 * ioctls for /dev/kvm fds:
845 */
846#define KVM_GET_API_VERSION _IO(KVMIO, 0x00)
847#define KVM_CREATE_VM _IO(KVMIO, 0x01) /* returns a VM fd */
848#define KVM_GET_MSR_INDEX_LIST _IOWR(KVMIO, 0x02, struct kvm_msr_list)
849
850#define KVM_S390_ENABLE_SIE _IO(KVMIO, 0x06)
851/*
852 * Check if a kvm extension is available. Argument is extension number,
853 * return is 1 (yes) or 0 (no, sorry).
854 */
855#define KVM_CHECK_EXTENSION _IO(KVMIO, 0x03)
856/*
857 * Get size for mmap(vcpu_fd)
858 */
859#define KVM_GET_VCPU_MMAP_SIZE _IO(KVMIO, 0x04) /* in bytes */
860#define KVM_GET_SUPPORTED_CPUID _IOWR(KVMIO, 0x05, struct kvm_cpuid2)
861#define KVM_TRACE_ENABLE __KVM_DEPRECATED_MAIN_W_0x06
862#define KVM_TRACE_PAUSE __KVM_DEPRECATED_MAIN_0x07
863#define KVM_TRACE_DISABLE __KVM_DEPRECATED_MAIN_0x08
864#define KVM_GET_EMULATED_CPUID _IOWR(KVMIO, 0x09, struct kvm_cpuid2)
865#define KVM_GET_MSR_FEATURE_INDEX_LIST _IOWR(KVMIO, 0x0a, struct kvm_msr_list)
866
867/*
868 * Extension capability list.
869 */
870#define KVM_CAP_IRQCHIP 0
871#define KVM_CAP_HLT 1
872#define KVM_CAP_MMU_SHADOW_CACHE_CONTROL 2
873#define KVM_CAP_USER_MEMORY 3
874#define KVM_CAP_SET_TSS_ADDR 4
875#define KVM_CAP_VAPIC 6
876#define KVM_CAP_EXT_CPUID 7
877#define KVM_CAP_CLOCKSOURCE 8
878#define KVM_CAP_NR_VCPUS 9 /* returns recommended max vcpus per vm */
879#define KVM_CAP_NR_MEMSLOTS 10 /* returns max memory slots per vm */
880#define KVM_CAP_PIT 11
881#define KVM_CAP_NOP_IO_DELAY 12
882#define KVM_CAP_PV_MMU 13
883#define KVM_CAP_MP_STATE 14
884#define KVM_CAP_COALESCED_MMIO 15
885#define KVM_CAP_SYNC_MMU 16 /* Changes to host mmap are reflected in guest */
886#define KVM_CAP_IOMMU 18
887/* Bug in KVM_SET_USER_MEMORY_REGION fixed: */
888#define KVM_CAP_DESTROY_MEMORY_REGION_WORKS 21
889#define KVM_CAP_USER_NMI 22
890#ifdef __KVM_HAVE_GUEST_DEBUG
891#define KVM_CAP_SET_GUEST_DEBUG 23
892#endif
893#ifdef __KVM_HAVE_PIT
894#define KVM_CAP_REINJECT_CONTROL 24
895#endif
896#define KVM_CAP_IRQ_ROUTING 25
897#define KVM_CAP_IRQ_INJECT_STATUS 26
898#define KVM_CAP_ASSIGN_DEV_IRQ 29
899/* Another bug in KVM_SET_USER_MEMORY_REGION fixed: */
900#define KVM_CAP_JOIN_MEMORY_REGIONS_WORKS 30
901#ifdef __KVM_HAVE_MCE
902#define KVM_CAP_MCE 31
903#endif
904#define KVM_CAP_IRQFD 32
905#ifdef __KVM_HAVE_PIT
906#define KVM_CAP_PIT2 33
907#endif
908#define KVM_CAP_SET_BOOT_CPU_ID 34
909#ifdef __KVM_HAVE_PIT_STATE2
910#define KVM_CAP_PIT_STATE2 35
911#endif
912#define KVM_CAP_IOEVENTFD 36
913#define KVM_CAP_SET_IDENTITY_MAP_ADDR 37
914#ifdef __KVM_HAVE_XEN_HVM
915#define KVM_CAP_XEN_HVM 38
916#endif
917#define KVM_CAP_ADJUST_CLOCK 39
918#define KVM_CAP_INTERNAL_ERROR_DATA 40
919#ifdef __KVM_HAVE_VCPU_EVENTS
920#define KVM_CAP_VCPU_EVENTS 41
921#endif
922#define KVM_CAP_S390_PSW 42
923#define KVM_CAP_PPC_SEGSTATE 43
924#define KVM_CAP_HYPERV 44
925#define KVM_CAP_HYPERV_VAPIC 45
926#define KVM_CAP_HYPERV_SPIN 46
927#define KVM_CAP_PCI_SEGMENT 47
928#define KVM_CAP_PPC_PAIRED_SINGLES 48
929#define KVM_CAP_INTR_SHADOW 49
930#ifdef __KVM_HAVE_DEBUGREGS
931#define KVM_CAP_DEBUGREGS 50
932#endif
933#define KVM_CAP_X86_ROBUST_SINGLESTEP 51
934#define KVM_CAP_PPC_OSI 52
935#define KVM_CAP_PPC_UNSET_IRQ 53
936#define KVM_CAP_ENABLE_CAP 54
937#ifdef __KVM_HAVE_XSAVE
938#define KVM_CAP_XSAVE 55
939#endif
940#ifdef __KVM_HAVE_XCRS
941#define KVM_CAP_XCRS 56
942#endif
943#define KVM_CAP_PPC_GET_PVINFO 57
944#define KVM_CAP_PPC_IRQ_LEVEL 58
945#define KVM_CAP_ASYNC_PF 59
946#define KVM_CAP_TSC_CONTROL 60
947#define KVM_CAP_GET_TSC_KHZ 61
948#define KVM_CAP_PPC_BOOKE_SREGS 62
949#define KVM_CAP_SPAPR_TCE 63
950#define KVM_CAP_PPC_SMT 64
951#define KVM_CAP_PPC_RMA 65
952#define KVM_CAP_MAX_VCPUS 66 /* returns max vcpus per vm */
953#define KVM_CAP_PPC_HIOR 67
954#define KVM_CAP_PPC_PAPR 68
955#define KVM_CAP_SW_TLB 69
956#define KVM_CAP_ONE_REG 70
957#define KVM_CAP_S390_GMAP 71
958#define KVM_CAP_TSC_DEADLINE_TIMER 72
959#define KVM_CAP_S390_UCONTROL 73
960#define KVM_CAP_SYNC_REGS 74
961#define KVM_CAP_PCI_2_3 75
962#define KVM_CAP_KVMCLOCK_CTRL 76
963#define KVM_CAP_SIGNAL_MSI 77
964#define KVM_CAP_PPC_GET_SMMU_INFO 78
965#define KVM_CAP_S390_COW 79
966#define KVM_CAP_PPC_ALLOC_HTAB 80
967#define KVM_CAP_READONLY_MEM 81
968#define KVM_CAP_IRQFD_RESAMPLE 82
969#define KVM_CAP_PPC_BOOKE_WATCHDOG 83
970#define KVM_CAP_PPC_HTAB_FD 84
971#define KVM_CAP_S390_CSS_SUPPORT 85
972#define KVM_CAP_PPC_EPR 86
973#define KVM_CAP_ARM_PSCI 87
974#define KVM_CAP_ARM_SET_DEVICE_ADDR 88
975#define KVM_CAP_DEVICE_CTRL 89
976#define KVM_CAP_IRQ_MPIC 90
977#define KVM_CAP_PPC_RTAS 91
978#define KVM_CAP_IRQ_XICS 92
979#define KVM_CAP_ARM_EL1_32BIT 93
980#define KVM_CAP_SPAPR_MULTITCE 94
981#define KVM_CAP_EXT_EMUL_CPUID 95
982#define KVM_CAP_HYPERV_TIME 96
983#define KVM_CAP_IOAPIC_POLARITY_IGNORED 97
984#define KVM_CAP_ENABLE_CAP_VM 98
985#define KVM_CAP_S390_IRQCHIP 99
986#define KVM_CAP_IOEVENTFD_NO_LENGTH 100
987#define KVM_CAP_VM_ATTRIBUTES 101
988#define KVM_CAP_ARM_PSCI_0_2 102
989#define KVM_CAP_PPC_FIXUP_HCALL 103
990#define KVM_CAP_PPC_ENABLE_HCALL 104
991#define KVM_CAP_CHECK_EXTENSION_VM 105
992#define KVM_CAP_S390_USER_SIGP 106
993#define KVM_CAP_S390_VECTOR_REGISTERS 107
994#define KVM_CAP_S390_MEM_OP 108
995#define KVM_CAP_S390_USER_STSI 109
996#define KVM_CAP_S390_SKEYS 110
997#define KVM_CAP_MIPS_FPU 111
998#define KVM_CAP_MIPS_MSA 112
999#define KVM_CAP_S390_INJECT_IRQ 113
1000#define KVM_CAP_S390_IRQ_STATE 114
1001#define KVM_CAP_PPC_HWRNG 115
1002#define KVM_CAP_DISABLE_QUIRKS 116
1003#define KVM_CAP_X86_SMM 117
1004#define KVM_CAP_MULTI_ADDRESS_SPACE 118
1005#define KVM_CAP_GUEST_DEBUG_HW_BPS 119
1006#define KVM_CAP_GUEST_DEBUG_HW_WPS 120
1007#define KVM_CAP_SPLIT_IRQCHIP 121
1008#define KVM_CAP_IOEVENTFD_ANY_LENGTH 122
1009#define KVM_CAP_HYPERV_SYNIC 123
1010#define KVM_CAP_S390_RI 124
1011#define KVM_CAP_SPAPR_TCE_64 125
1012#define KVM_CAP_ARM_PMU_V3 126
1013#define KVM_CAP_VCPU_ATTRIBUTES 127
1014#define KVM_CAP_MAX_VCPU_ID 128
1015#define KVM_CAP_X2APIC_API 129
1016#define KVM_CAP_S390_USER_INSTR0 130
1017#define KVM_CAP_MSI_DEVID 131
1018#define KVM_CAP_PPC_HTM 132
1019#define KVM_CAP_SPAPR_RESIZE_HPT 133
1020#define KVM_CAP_PPC_MMU_RADIX 134
1021#define KVM_CAP_PPC_MMU_HASH_V3 135
1022#define KVM_CAP_IMMEDIATE_EXIT 136
1023#define KVM_CAP_MIPS_VZ 137
1024#define KVM_CAP_MIPS_TE 138
1025#define KVM_CAP_MIPS_64BIT 139
1026#define KVM_CAP_S390_GS 140
1027#define KVM_CAP_S390_AIS 141
1028#define KVM_CAP_SPAPR_TCE_VFIO 142
1029#define KVM_CAP_X86_DISABLE_EXITS 143
1030#define KVM_CAP_ARM_USER_IRQ 144
1031#define KVM_CAP_S390_CMMA_MIGRATION 145
1032#define KVM_CAP_PPC_FWNMI 146
1033#define KVM_CAP_PPC_SMT_POSSIBLE 147
1034#define KVM_CAP_HYPERV_SYNIC2 148
1035#define KVM_CAP_HYPERV_VP_INDEX 149
1036#define KVM_CAP_S390_AIS_MIGRATION 150
1037#define KVM_CAP_PPC_GET_CPU_CHAR 151
1038#define KVM_CAP_S390_BPB 152
1039#define KVM_CAP_GET_MSR_FEATURES 153
1040#define KVM_CAP_HYPERV_EVENTFD 154
1041#define KVM_CAP_HYPERV_TLBFLUSH 155
1042#define KVM_CAP_S390_HPAGE_1M 156
1043#define KVM_CAP_NESTED_STATE 157
1044#define KVM_CAP_ARM_INJECT_SERROR_ESR 158
1045#define KVM_CAP_MSR_PLATFORM_INFO 159
1046#define KVM_CAP_PPC_NESTED_HV 160
1047#define KVM_CAP_HYPERV_SEND_IPI 161
1048#define KVM_CAP_COALESCED_PIO 162
1049#define KVM_CAP_HYPERV_ENLIGHTENED_VMCS 163
1050#define KVM_CAP_EXCEPTION_PAYLOAD 164
1051#define KVM_CAP_ARM_VM_IPA_SIZE 165
1052#define KVM_CAP_MANUAL_DIRTY_LOG_PROTECT 166 /* Obsolete */
1053#define KVM_CAP_HYPERV_CPUID 167
1054#define KVM_CAP_MANUAL_DIRTY_LOG_PROTECT2 168
1055#define KVM_CAP_PPC_IRQ_XIVE 169
1056#define KVM_CAP_ARM_SVE 170
1057#define KVM_CAP_ARM_PTRAUTH_ADDRESS 171
1058#define KVM_CAP_ARM_PTRAUTH_GENERIC 172
1059#define KVM_CAP_PMU_EVENT_FILTER 173
1060#define KVM_CAP_ARM_IRQ_LINE_LAYOUT_2 174
1061#define KVM_CAP_HYPERV_DIRECT_TLBFLUSH 175
1062#define KVM_CAP_PPC_GUEST_DEBUG_SSTEP 176
1063#define KVM_CAP_ARM_NISV_TO_USER 177
1064#define KVM_CAP_ARM_INJECT_EXT_DABT 178
1065#define KVM_CAP_S390_VCPU_RESETS 179
1066#define KVM_CAP_S390_PROTECTED 180
1067#define KVM_CAP_PPC_SECURE_GUEST 181
1068#define KVM_CAP_HALT_POLL 182
1069#define KVM_CAP_ASYNC_PF_INT 183
1070#define KVM_CAP_LAST_CPU 184
1071#define KVM_CAP_SMALLER_MAXPHYADDR 185
1072#define KVM_CAP_S390_DIAG318 186
1073#define KVM_CAP_STEAL_TIME 187
1074#define KVM_CAP_X86_USER_SPACE_MSR 188
1075#define KVM_CAP_X86_MSR_FILTER 189
1076#define KVM_CAP_ENFORCE_PV_FEATURE_CPUID 190
1077#define KVM_CAP_SYS_HYPERV_CPUID 191
1078#define KVM_CAP_DIRTY_LOG_RING 192
1079#define KVM_CAP_X86_BUS_LOCK_EXIT 193
1080#define KVM_CAP_PPC_DAWR1 194
1081#define KVM_CAP_SET_GUEST_DEBUG2 195
1082#define KVM_CAP_SGX_ATTRIBUTE 196
1083#define KVM_CAP_VM_COPY_ENC_CONTEXT_FROM 197
1084#define KVM_CAP_PTP_KVM 198
1085
1086#ifdef KVM_CAP_IRQ_ROUTING
1087
1088struct kvm_irq_routing_irqchip {
1089 __u32 irqchip;
1090 __u32 pin;
1091};
1092
1093struct kvm_irq_routing_msi {
1094 __u32 address_lo;
1095 __u32 address_hi;
1096 __u32 data;
1097 union {
1098 __u32 pad;
1099 __u32 devid;
1100 };
1101};
1102
1103struct kvm_irq_routing_s390_adapter {
1104 __u64 ind_addr;
1105 __u64 summary_addr;
1106 __u64 ind_offset;
1107 __u32 summary_offset;
1108 __u32 adapter_id;
1109};
1110
1111struct kvm_irq_routing_hv_sint {
1112 __u32 vcpu;
1113 __u32 sint;
1114};
1115
1116/* gsi routing entry types */
1117#define KVM_IRQ_ROUTING_IRQCHIP 1
1118#define KVM_IRQ_ROUTING_MSI 2
1119#define KVM_IRQ_ROUTING_S390_ADAPTER 3
1120#define KVM_IRQ_ROUTING_HV_SINT 4
1121
1122struct kvm_irq_routing_entry {
1123 __u32 gsi;
1124 __u32 type;
1125 __u32 flags;
1126 __u32 pad;
1127 union {
1128 struct kvm_irq_routing_irqchip irqchip;
1129 struct kvm_irq_routing_msi msi;
1130 struct kvm_irq_routing_s390_adapter adapter;
1131 struct kvm_irq_routing_hv_sint hv_sint;
1132 __u32 pad[8];
1133 } u;
1134};
1135
1136struct kvm_irq_routing {
1137 __u32 nr;
1138 __u32 flags;
1139 struct kvm_irq_routing_entry entries[0];
1140};
1141
1142#endif
1143
1144#ifdef KVM_CAP_MCE
1145/* x86 MCE */
1146struct kvm_x86_mce {
1147 __u64 status;
1148 __u64 addr;
1149 __u64 misc;
1150 __u64 mcg_status;
1151 __u8 bank;
1152 __u8 pad1[7];
1153 __u64 pad2[3];
1154};
1155#endif
1156
1157#ifdef KVM_CAP_XEN_HVM
1158#define KVM_XEN_HVM_CONFIG_HYPERCALL_MSR (1 << 0)
1159#define KVM_XEN_HVM_CONFIG_INTERCEPT_HCALL (1 << 1)
1160#define KVM_XEN_HVM_CONFIG_SHARED_INFO (1 << 2)
1161#define KVM_XEN_HVM_CONFIG_RUNSTATE (1 << 3)
1162
1163struct kvm_xen_hvm_config {
1164 __u32 flags;
1165 __u32 msr;
1166 __u64 blob_addr_32;
1167 __u64 blob_addr_64;
1168 __u8 blob_size_32;
1169 __u8 blob_size_64;
1170 __u8 pad2[30];
1171};
1172#endif
1173
1174#define KVM_IRQFD_FLAG_DEASSIGN (1 << 0)
1175/*
1176 * Available with KVM_CAP_IRQFD_RESAMPLE
1177 *
1178 * KVM_IRQFD_FLAG_RESAMPLE indicates resamplefd is valid and specifies
1179 * the irqfd to operate in resampling mode for level triggered interrupt
1180 * emulation. See Documentation/virt/kvm/api.rst.
1181 */
1182#define KVM_IRQFD_FLAG_RESAMPLE (1 << 1)
1183
1184struct kvm_irqfd {
1185 __u32 fd;
1186 __u32 gsi;
1187 __u32 flags;
1188 __u32 resamplefd;
1189 __u8 pad[16];
1190};
1191
1192/* For KVM_CAP_ADJUST_CLOCK */
1193
1194/* Do not use 1, KVM_CHECK_EXTENSION returned it before we had flags. */
1195#define KVM_CLOCK_TSC_STABLE 2
1196
1197struct kvm_clock_data {
1198 __u64 clock;
1199 __u32 flags;
1200 __u32 pad[9];
1201};
1202
1203/* For KVM_CAP_SW_TLB */
1204
1205#define KVM_MMU_FSL_BOOKE_NOHV 0
1206#define KVM_MMU_FSL_BOOKE_HV 1
1207
1208struct kvm_config_tlb {
1209 __u64 params;
1210 __u64 array;
1211 __u32 mmu_type;
1212 __u32 array_len;
1213};
1214
1215struct kvm_dirty_tlb {
1216 __u64 bitmap;
1217 __u32 num_dirty;
1218};
1219
1220/* Available with KVM_CAP_ONE_REG */
1221
1222#define KVM_REG_ARCH_MASK 0xff00000000000000ULL
1223#define KVM_REG_GENERIC 0x0000000000000000ULL
1224
1225/*
1226 * Architecture specific registers are to be defined in arch headers and
1227 * ORed with the arch identifier.
1228 */
1229#define KVM_REG_PPC 0x1000000000000000ULL
1230#define KVM_REG_X86 0x2000000000000000ULL
1231#define KVM_REG_IA64 0x3000000000000000ULL
1232#define KVM_REG_ARM 0x4000000000000000ULL
1233#define KVM_REG_S390 0x5000000000000000ULL
1234#define KVM_REG_ARM64 0x6000000000000000ULL
1235#define KVM_REG_MIPS 0x7000000000000000ULL
1236#define KVM_REG_RISCV 0x8000000000000000ULL
1237
1238#define KVM_REG_SIZE_SHIFT 52
1239#define KVM_REG_SIZE_MASK 0x00f0000000000000ULL
1240#define KVM_REG_SIZE_U8 0x0000000000000000ULL
1241#define KVM_REG_SIZE_U16 0x0010000000000000ULL
1242#define KVM_REG_SIZE_U32 0x0020000000000000ULL
1243#define KVM_REG_SIZE_U64 0x0030000000000000ULL
1244#define KVM_REG_SIZE_U128 0x0040000000000000ULL
1245#define KVM_REG_SIZE_U256 0x0050000000000000ULL
1246#define KVM_REG_SIZE_U512 0x0060000000000000ULL
1247#define KVM_REG_SIZE_U1024 0x0070000000000000ULL
1248#define KVM_REG_SIZE_U2048 0x0080000000000000ULL
1249
1250struct kvm_reg_list {
1251 __u64 n; /* number of regs */
1252 __u64 reg[0];
1253};
1254
1255struct kvm_one_reg {
1256 __u64 id;
1257 __u64 addr;
1258};
1259
1260#define KVM_MSI_VALID_DEVID (1U << 0)
1261struct kvm_msi {
1262 __u32 address_lo;
1263 __u32 address_hi;
1264 __u32 data;
1265 __u32 flags;
1266 __u32 devid;
1267 __u8 pad[12];
1268};
1269
1270struct kvm_arm_device_addr {
1271 __u64 id;
1272 __u64 addr;
1273};
1274
1275/*
1276 * Device control API, available with KVM_CAP_DEVICE_CTRL
1277 */
1278#define KVM_CREATE_DEVICE_TEST 1
1279
1280struct kvm_create_device {
1281 __u32 type; /* in: KVM_DEV_TYPE_xxx */
1282 __u32 fd; /* out: device handle */
1283 __u32 flags; /* in: KVM_CREATE_DEVICE_xxx */
1284};
1285
1286struct kvm_device_attr {
1287 __u32 flags; /* no flags currently defined */
1288 __u32 group; /* device-defined */
1289 __u64 attr; /* group-defined */
1290 __u64 addr; /* userspace address of attr data */
1291};
1292
1293#define KVM_DEV_VFIO_GROUP 1
1294#define KVM_DEV_VFIO_GROUP_ADD 1
1295#define KVM_DEV_VFIO_GROUP_DEL 2
1296#define KVM_DEV_VFIO_GROUP_SET_SPAPR_TCE 3
1297
1298enum kvm_device_type {
1299 KVM_DEV_TYPE_FSL_MPIC_20 = 1,
1300#define KVM_DEV_TYPE_FSL_MPIC_20 KVM_DEV_TYPE_FSL_MPIC_20
1301 KVM_DEV_TYPE_FSL_MPIC_42,
1302#define KVM_DEV_TYPE_FSL_MPIC_42 KVM_DEV_TYPE_FSL_MPIC_42
1303 KVM_DEV_TYPE_XICS,
1304#define KVM_DEV_TYPE_XICS KVM_DEV_TYPE_XICS
1305 KVM_DEV_TYPE_VFIO,
1306#define KVM_DEV_TYPE_VFIO KVM_DEV_TYPE_VFIO
1307 KVM_DEV_TYPE_ARM_VGIC_V2,
1308#define KVM_DEV_TYPE_ARM_VGIC_V2 KVM_DEV_TYPE_ARM_VGIC_V2
1309 KVM_DEV_TYPE_FLIC,
1310#define KVM_DEV_TYPE_FLIC KVM_DEV_TYPE_FLIC
1311 KVM_DEV_TYPE_ARM_VGIC_V3,
1312#define KVM_DEV_TYPE_ARM_VGIC_V3 KVM_DEV_TYPE_ARM_VGIC_V3
1313 KVM_DEV_TYPE_ARM_VGIC_ITS,
1314#define KVM_DEV_TYPE_ARM_VGIC_ITS KVM_DEV_TYPE_ARM_VGIC_ITS
1315 KVM_DEV_TYPE_XIVE,
1316#define KVM_DEV_TYPE_XIVE KVM_DEV_TYPE_XIVE
1317 KVM_DEV_TYPE_ARM_PV_TIME,
1318#define KVM_DEV_TYPE_ARM_PV_TIME KVM_DEV_TYPE_ARM_PV_TIME
1319 KVM_DEV_TYPE_MAX,
1320};
1321
1322struct kvm_vfio_spapr_tce {
1323 __s32 groupfd;
1324 __s32 tablefd;
1325};
1326
1327/*
1328 * ioctls for VM fds
1329 */
1330#define KVM_SET_MEMORY_REGION _IOW(KVMIO, 0x40, struct kvm_memory_region)
1331/*
1332 * KVM_CREATE_VCPU receives as a parameter the vcpu slot, and returns
1333 * a vcpu fd.
1334 */
1335#define KVM_CREATE_VCPU _IO(KVMIO, 0x41)
1336#define KVM_GET_DIRTY_LOG _IOW(KVMIO, 0x42, struct kvm_dirty_log)
1337/* KVM_SET_MEMORY_ALIAS is obsolete: */
1338#define KVM_SET_MEMORY_ALIAS _IOW(KVMIO, 0x43, struct kvm_memory_alias)
1339#define KVM_SET_NR_MMU_PAGES _IO(KVMIO, 0x44)
1340#define KVM_GET_NR_MMU_PAGES _IO(KVMIO, 0x45)
1341#define KVM_SET_USER_MEMORY_REGION _IOW(KVMIO, 0x46, \
1342 struct kvm_userspace_memory_region)
1343#define KVM_SET_TSS_ADDR _IO(KVMIO, 0x47)
1344#define KVM_SET_IDENTITY_MAP_ADDR _IOW(KVMIO, 0x48, __u64)
1345
1346/* enable ucontrol for s390 */
1347struct kvm_s390_ucas_mapping {
1348 __u64 user_addr;
1349 __u64 vcpu_addr;
1350 __u64 length;
1351};
1352#define KVM_S390_UCAS_MAP _IOW(KVMIO, 0x50, struct kvm_s390_ucas_mapping)
1353#define KVM_S390_UCAS_UNMAP _IOW(KVMIO, 0x51, struct kvm_s390_ucas_mapping)
1354#define KVM_S390_VCPU_FAULT _IOW(KVMIO, 0x52, unsigned long)
1355
1356/* Device model IOC */
1357#define KVM_CREATE_IRQCHIP _IO(KVMIO, 0x60)
1358#define KVM_IRQ_LINE _IOW(KVMIO, 0x61, struct kvm_irq_level)
1359#define KVM_GET_IRQCHIP _IOWR(KVMIO, 0x62, struct kvm_irqchip)
1360#define KVM_SET_IRQCHIP _IOR(KVMIO, 0x63, struct kvm_irqchip)
1361#define KVM_CREATE_PIT _IO(KVMIO, 0x64)
1362#define KVM_GET_PIT _IOWR(KVMIO, 0x65, struct kvm_pit_state)
1363#define KVM_SET_PIT _IOR(KVMIO, 0x66, struct kvm_pit_state)
1364#define KVM_IRQ_LINE_STATUS _IOWR(KVMIO, 0x67, struct kvm_irq_level)
1365#define KVM_REGISTER_COALESCED_MMIO \
1366 _IOW(KVMIO, 0x67, struct kvm_coalesced_mmio_zone)
1367#define KVM_UNREGISTER_COALESCED_MMIO \
1368 _IOW(KVMIO, 0x68, struct kvm_coalesced_mmio_zone)
1369#define KVM_ASSIGN_PCI_DEVICE _IOR(KVMIO, 0x69, \
1370 struct kvm_assigned_pci_dev)
1371#define KVM_SET_GSI_ROUTING _IOW(KVMIO, 0x6a, struct kvm_irq_routing)
1372/* deprecated, replaced by KVM_ASSIGN_DEV_IRQ */
1373#define KVM_ASSIGN_IRQ __KVM_DEPRECATED_VM_R_0x70
1374#define KVM_ASSIGN_DEV_IRQ _IOW(KVMIO, 0x70, struct kvm_assigned_irq)
1375#define KVM_REINJECT_CONTROL _IO(KVMIO, 0x71)
1376#define KVM_DEASSIGN_PCI_DEVICE _IOW(KVMIO, 0x72, \
1377 struct kvm_assigned_pci_dev)
1378#define KVM_ASSIGN_SET_MSIX_NR _IOW(KVMIO, 0x73, \
1379 struct kvm_assigned_msix_nr)
1380#define KVM_ASSIGN_SET_MSIX_ENTRY _IOW(KVMIO, 0x74, \
1381 struct kvm_assigned_msix_entry)
1382#define KVM_DEASSIGN_DEV_IRQ _IOW(KVMIO, 0x75, struct kvm_assigned_irq)
1383#define KVM_IRQFD _IOW(KVMIO, 0x76, struct kvm_irqfd)
1384#define KVM_CREATE_PIT2 _IOW(KVMIO, 0x77, struct kvm_pit_config)
1385#define KVM_SET_BOOT_CPU_ID _IO(KVMIO, 0x78)
1386#define KVM_IOEVENTFD _IOW(KVMIO, 0x79, struct kvm_ioeventfd)
1387#define KVM_XEN_HVM_CONFIG _IOW(KVMIO, 0x7a, struct kvm_xen_hvm_config)
1388#define KVM_SET_CLOCK _IOW(KVMIO, 0x7b, struct kvm_clock_data)
1389#define KVM_GET_CLOCK _IOR(KVMIO, 0x7c, struct kvm_clock_data)
1390/* Available with KVM_CAP_PIT_STATE2 */
1391#define KVM_GET_PIT2 _IOR(KVMIO, 0x9f, struct kvm_pit_state2)
1392#define KVM_SET_PIT2 _IOW(KVMIO, 0xa0, struct kvm_pit_state2)
1393/* Available with KVM_CAP_PPC_GET_PVINFO */
1394#define KVM_PPC_GET_PVINFO _IOW(KVMIO, 0xa1, struct kvm_ppc_pvinfo)
1395/* Available with KVM_CAP_TSC_CONTROL */
1396#define KVM_SET_TSC_KHZ _IO(KVMIO, 0xa2)
1397#define KVM_GET_TSC_KHZ _IO(KVMIO, 0xa3)
1398/* Available with KVM_CAP_PCI_2_3 */
1399#define KVM_ASSIGN_SET_INTX_MASK _IOW(KVMIO, 0xa4, \
1400 struct kvm_assigned_pci_dev)
1401/* Available with KVM_CAP_SIGNAL_MSI */
1402#define KVM_SIGNAL_MSI _IOW(KVMIO, 0xa5, struct kvm_msi)
1403/* Available with KVM_CAP_PPC_GET_SMMU_INFO */
1404#define KVM_PPC_GET_SMMU_INFO _IOR(KVMIO, 0xa6, struct kvm_ppc_smmu_info)
1405/* Available with KVM_CAP_PPC_ALLOC_HTAB */
1406#define KVM_PPC_ALLOCATE_HTAB _IOWR(KVMIO, 0xa7, __u32)
1407#define KVM_CREATE_SPAPR_TCE _IOW(KVMIO, 0xa8, struct kvm_create_spapr_tce)
1408#define KVM_CREATE_SPAPR_TCE_64 _IOW(KVMIO, 0xa8, \
1409 struct kvm_create_spapr_tce_64)
1410/* Available with KVM_CAP_RMA */
1411#define KVM_ALLOCATE_RMA _IOR(KVMIO, 0xa9, struct kvm_allocate_rma)
1412/* Available with KVM_CAP_PPC_HTAB_FD */
1413#define KVM_PPC_GET_HTAB_FD _IOW(KVMIO, 0xaa, struct kvm_get_htab_fd)
1414/* Available with KVM_CAP_ARM_SET_DEVICE_ADDR */
1415#define KVM_ARM_SET_DEVICE_ADDR _IOW(KVMIO, 0xab, struct kvm_arm_device_addr)
1416/* Available with KVM_CAP_PPC_RTAS */
1417#define KVM_PPC_RTAS_DEFINE_TOKEN _IOW(KVMIO, 0xac, struct kvm_rtas_token_args)
1418/* Available with KVM_CAP_SPAPR_RESIZE_HPT */
1419#define KVM_PPC_RESIZE_HPT_PREPARE _IOR(KVMIO, 0xad, struct kvm_ppc_resize_hpt)
1420#define KVM_PPC_RESIZE_HPT_COMMIT _IOR(KVMIO, 0xae, struct kvm_ppc_resize_hpt)
1421/* Available with KVM_CAP_PPC_RADIX_MMU or KVM_CAP_PPC_HASH_MMU_V3 */
1422#define KVM_PPC_CONFIGURE_V3_MMU _IOW(KVMIO, 0xaf, struct kvm_ppc_mmuv3_cfg)
1423/* Available with KVM_CAP_PPC_RADIX_MMU */
1424#define KVM_PPC_GET_RMMU_INFO _IOW(KVMIO, 0xb0, struct kvm_ppc_rmmu_info)
1425/* Available with KVM_CAP_PPC_GET_CPU_CHAR */
1426#define KVM_PPC_GET_CPU_CHAR _IOR(KVMIO, 0xb1, struct kvm_ppc_cpu_char)
1427/* Available with KVM_CAP_PMU_EVENT_FILTER */
1428#define KVM_SET_PMU_EVENT_FILTER _IOW(KVMIO, 0xb2, struct kvm_pmu_event_filter)
1429#define KVM_PPC_SVM_OFF _IO(KVMIO, 0xb3)
1430
1431/* ioctl for vm fd */
1432#define KVM_CREATE_DEVICE _IOWR(KVMIO, 0xe0, struct kvm_create_device)
1433
1434/* ioctls for fds returned by KVM_CREATE_DEVICE */
1435#define KVM_SET_DEVICE_ATTR _IOW(KVMIO, 0xe1, struct kvm_device_attr)
1436#define KVM_GET_DEVICE_ATTR _IOW(KVMIO, 0xe2, struct kvm_device_attr)
1437#define KVM_HAS_DEVICE_ATTR _IOW(KVMIO, 0xe3, struct kvm_device_attr)
1438
1439/*
1440 * ioctls for vcpu fds
1441 */
1442#define KVM_RUN _IO(KVMIO, 0x80)
1443#define KVM_GET_REGS _IOR(KVMIO, 0x81, struct kvm_regs)
1444#define KVM_SET_REGS _IOW(KVMIO, 0x82, struct kvm_regs)
1445#define KVM_GET_SREGS _IOR(KVMIO, 0x83, struct kvm_sregs)
1446#define KVM_SET_SREGS _IOW(KVMIO, 0x84, struct kvm_sregs)
1447#define KVM_TRANSLATE _IOWR(KVMIO, 0x85, struct kvm_translation)
1448#define KVM_INTERRUPT _IOW(KVMIO, 0x86, struct kvm_interrupt)
1449/* KVM_DEBUG_GUEST is no longer supported, use KVM_SET_GUEST_DEBUG instead */
1450#define KVM_DEBUG_GUEST __KVM_DEPRECATED_VCPU_W_0x87
1451#define KVM_GET_MSRS _IOWR(KVMIO, 0x88, struct kvm_msrs)
1452#define KVM_SET_MSRS _IOW(KVMIO, 0x89, struct kvm_msrs)
1453#define KVM_SET_CPUID _IOW(KVMIO, 0x8a, struct kvm_cpuid)
1454#define KVM_SET_SIGNAL_MASK _IOW(KVMIO, 0x8b, struct kvm_signal_mask)
1455#define KVM_GET_FPU _IOR(KVMIO, 0x8c, struct kvm_fpu)
1456#define KVM_SET_FPU _IOW(KVMIO, 0x8d, struct kvm_fpu)
1457#define KVM_GET_LAPIC _IOR(KVMIO, 0x8e, struct kvm_lapic_state)
1458#define KVM_SET_LAPIC _IOW(KVMIO, 0x8f, struct kvm_lapic_state)
1459#define KVM_SET_CPUID2 _IOW(KVMIO, 0x90, struct kvm_cpuid2)
1460#define KVM_GET_CPUID2 _IOWR(KVMIO, 0x91, struct kvm_cpuid2)
1461/* Available with KVM_CAP_VAPIC */
1462#define KVM_TPR_ACCESS_REPORTING _IOWR(KVMIO, 0x92, struct kvm_tpr_access_ctl)
1463/* Available with KVM_CAP_VAPIC */
1464#define KVM_SET_VAPIC_ADDR _IOW(KVMIO, 0x93, struct kvm_vapic_addr)
1465/* valid for virtual machine (for floating interrupt)_and_ vcpu */
1466#define KVM_S390_INTERRUPT _IOW(KVMIO, 0x94, struct kvm_s390_interrupt)
1467/* store status for s390 */
1468#define KVM_S390_STORE_STATUS_NOADDR (-1ul)
1469#define KVM_S390_STORE_STATUS_PREFIXED (-2ul)
1470#define KVM_S390_STORE_STATUS _IOW(KVMIO, 0x95, unsigned long)
1471/* initial ipl psw for s390 */
1472#define KVM_S390_SET_INITIAL_PSW _IOW(KVMIO, 0x96, struct kvm_s390_psw)
1473/* initial reset for s390 */
1474#define KVM_S390_INITIAL_RESET _IO(KVMIO, 0x97)
1475#define KVM_GET_MP_STATE _IOR(KVMIO, 0x98, struct kvm_mp_state)
1476#define KVM_SET_MP_STATE _IOW(KVMIO, 0x99, struct kvm_mp_state)
1477/* Available with KVM_CAP_USER_NMI */
1478#define KVM_NMI _IO(KVMIO, 0x9a)
1479/* Available with KVM_CAP_SET_GUEST_DEBUG */
1480#define KVM_SET_GUEST_DEBUG _IOW(KVMIO, 0x9b, struct kvm_guest_debug)
1481/* MCE for x86 */
1482#define KVM_X86_SETUP_MCE _IOW(KVMIO, 0x9c, __u64)
1483#define KVM_X86_GET_MCE_CAP_SUPPORTED _IOR(KVMIO, 0x9d, __u64)
1484#define KVM_X86_SET_MCE _IOW(KVMIO, 0x9e, struct kvm_x86_mce)
1485/* Available with KVM_CAP_VCPU_EVENTS */
1486#define KVM_GET_VCPU_EVENTS _IOR(KVMIO, 0x9f, struct kvm_vcpu_events)
1487#define KVM_SET_VCPU_EVENTS _IOW(KVMIO, 0xa0, struct kvm_vcpu_events)
1488/* Available with KVM_CAP_DEBUGREGS */
1489#define KVM_GET_DEBUGREGS _IOR(KVMIO, 0xa1, struct kvm_debugregs)
1490#define KVM_SET_DEBUGREGS _IOW(KVMIO, 0xa2, struct kvm_debugregs)
1491/*
1492 * vcpu version available with KVM_ENABLE_CAP
1493 * vm version available with KVM_CAP_ENABLE_CAP_VM
1494 */
1495#define KVM_ENABLE_CAP _IOW(KVMIO, 0xa3, struct kvm_enable_cap)
1496/* Available with KVM_CAP_XSAVE */
1497#define KVM_GET_XSAVE _IOR(KVMIO, 0xa4, struct kvm_xsave)
1498#define KVM_SET_XSAVE _IOW(KVMIO, 0xa5, struct kvm_xsave)
1499/* Available with KVM_CAP_XCRS */
1500#define KVM_GET_XCRS _IOR(KVMIO, 0xa6, struct kvm_xcrs)
1501#define KVM_SET_XCRS _IOW(KVMIO, 0xa7, struct kvm_xcrs)
1502/* Available with KVM_CAP_SW_TLB */
1503#define KVM_DIRTY_TLB _IOW(KVMIO, 0xaa, struct kvm_dirty_tlb)
1504/* Available with KVM_CAP_ONE_REG */
1505#define KVM_GET_ONE_REG _IOW(KVMIO, 0xab, struct kvm_one_reg)
1506#define KVM_SET_ONE_REG _IOW(KVMIO, 0xac, struct kvm_one_reg)
1507/* VM is being stopped by host */
1508#define KVM_KVMCLOCK_CTRL _IO(KVMIO, 0xad)
1509#define KVM_ARM_VCPU_INIT _IOW(KVMIO, 0xae, struct kvm_vcpu_init)
1510#define KVM_ARM_PREFERRED_TARGET _IOR(KVMIO, 0xaf, struct kvm_vcpu_init)
1511#define KVM_GET_REG_LIST _IOWR(KVMIO, 0xb0, struct kvm_reg_list)
1512/* Available with KVM_CAP_S390_MEM_OP */
1513#define KVM_S390_MEM_OP _IOW(KVMIO, 0xb1, struct kvm_s390_mem_op)
1514/* Available with KVM_CAP_S390_SKEYS */
1515#define KVM_S390_GET_SKEYS _IOW(KVMIO, 0xb2, struct kvm_s390_skeys)
1516#define KVM_S390_SET_SKEYS _IOW(KVMIO, 0xb3, struct kvm_s390_skeys)
1517/* Available with KVM_CAP_S390_INJECT_IRQ */
1518#define KVM_S390_IRQ _IOW(KVMIO, 0xb4, struct kvm_s390_irq)
1519/* Available with KVM_CAP_S390_IRQ_STATE */
1520#define KVM_S390_SET_IRQ_STATE _IOW(KVMIO, 0xb5, struct kvm_s390_irq_state)
1521#define KVM_S390_GET_IRQ_STATE _IOW(KVMIO, 0xb6, struct kvm_s390_irq_state)
1522/* Available with KVM_CAP_X86_SMM */
1523#define KVM_SMI _IO(KVMIO, 0xb7)
1524/* Available with KVM_CAP_S390_CMMA_MIGRATION */
1525#define KVM_S390_GET_CMMA_BITS _IOWR(KVMIO, 0xb8, struct kvm_s390_cmma_log)
1526#define KVM_S390_SET_CMMA_BITS _IOW(KVMIO, 0xb9, struct kvm_s390_cmma_log)
1527/* Memory Encryption Commands */
1528#define KVM_MEMORY_ENCRYPT_OP _IOWR(KVMIO, 0xba, unsigned long)
1529
1530struct kvm_enc_region {
1531 __u64 addr;
1532 __u64 size;
1533};
1534
1535#define KVM_MEMORY_ENCRYPT_REG_REGION _IOR(KVMIO, 0xbb, struct kvm_enc_region)
1536#define KVM_MEMORY_ENCRYPT_UNREG_REGION _IOR(KVMIO, 0xbc, struct kvm_enc_region)
1537
1538/* Available with KVM_CAP_HYPERV_EVENTFD */
1539#define KVM_HYPERV_EVENTFD _IOW(KVMIO, 0xbd, struct kvm_hyperv_eventfd)
1540
1541/* Available with KVM_CAP_NESTED_STATE */
1542#define KVM_GET_NESTED_STATE _IOWR(KVMIO, 0xbe, struct kvm_nested_state)
1543#define KVM_SET_NESTED_STATE _IOW(KVMIO, 0xbf, struct kvm_nested_state)
1544
1545/* Available with KVM_CAP_MANUAL_DIRTY_LOG_PROTECT_2 */
1546#define KVM_CLEAR_DIRTY_LOG _IOWR(KVMIO, 0xc0, struct kvm_clear_dirty_log)
1547
1548/* Available with KVM_CAP_HYPERV_CPUID (vcpu) / KVM_CAP_SYS_HYPERV_CPUID (system) */
1549#define KVM_GET_SUPPORTED_HV_CPUID _IOWR(KVMIO, 0xc1, struct kvm_cpuid2)
1550
1551/* Available with KVM_CAP_ARM_SVE */
1552#define KVM_ARM_VCPU_FINALIZE _IOW(KVMIO, 0xc2, int)
1553
1554/* Available with KVM_CAP_S390_VCPU_RESETS */
1555#define KVM_S390_NORMAL_RESET _IO(KVMIO, 0xc3)
1556#define KVM_S390_CLEAR_RESET _IO(KVMIO, 0xc4)
1557
1558struct kvm_s390_pv_sec_parm {
1559 __u64 origin;
1560 __u64 length;
1561};
1562
1563struct kvm_s390_pv_unp {
1564 __u64 addr;
1565 __u64 size;
1566 __u64 tweak;
1567};
1568
1569enum pv_cmd_id {
1570 KVM_PV_ENABLE,
1571 KVM_PV_DISABLE,
1572 KVM_PV_SET_SEC_PARMS,
1573 KVM_PV_UNPACK,
1574 KVM_PV_VERIFY,
1575 KVM_PV_PREP_RESET,
1576 KVM_PV_UNSHARE_ALL,
1577};
1578
1579struct kvm_pv_cmd {
1580 __u32 cmd; /* Command to be executed */
1581 __u16 rc; /* Ultravisor return code */
1582 __u16 rrc; /* Ultravisor return reason code */
1583 __u64 data; /* Data or address */
1584 __u32 flags; /* flags for future extensions. Must be 0 for now */
1585 __u32 reserved[3];
1586};
1587
1588/* Available with KVM_CAP_S390_PROTECTED */
1589#define KVM_S390_PV_COMMAND _IOWR(KVMIO, 0xc5, struct kvm_pv_cmd)
1590
1591/* Available with KVM_CAP_X86_MSR_FILTER */
1592#define KVM_X86_SET_MSR_FILTER _IOW(KVMIO, 0xc6, struct kvm_msr_filter)
1593
1594/* Available with KVM_CAP_DIRTY_LOG_RING */
1595#define KVM_RESET_DIRTY_RINGS _IO(KVMIO, 0xc7)
1596
1597/* Per-VM Xen attributes */
1598#define KVM_XEN_HVM_GET_ATTR _IOWR(KVMIO, 0xc8, struct kvm_xen_hvm_attr)
1599#define KVM_XEN_HVM_SET_ATTR _IOW(KVMIO, 0xc9, struct kvm_xen_hvm_attr)
1600
1601struct kvm_xen_hvm_attr {
1602 __u16 type;
1603 __u16 pad[3];
1604 union {
1605 __u8 long_mode;
1606 __u8 vector;
1607 struct {
1608 __u64 gfn;
1609 } shared_info;
1610 __u64 pad[8];
1611 } u;
1612};
1613
1614/* Available with KVM_CAP_XEN_HVM / KVM_XEN_HVM_CONFIG_SHARED_INFO */
1615#define KVM_XEN_ATTR_TYPE_LONG_MODE 0x0
1616#define KVM_XEN_ATTR_TYPE_SHARED_INFO 0x1
1617#define KVM_XEN_ATTR_TYPE_UPCALL_VECTOR 0x2
1618
1619/* Per-vCPU Xen attributes */
1620#define KVM_XEN_VCPU_GET_ATTR _IOWR(KVMIO, 0xca, struct kvm_xen_vcpu_attr)
1621#define KVM_XEN_VCPU_SET_ATTR _IOW(KVMIO, 0xcb, struct kvm_xen_vcpu_attr)
1622
1623struct kvm_xen_vcpu_attr {
1624 __u16 type;
1625 __u16 pad[3];
1626 union {
1627 __u64 gpa;
1628 __u64 pad[8];
1629 struct {
1630 __u64 state;
1631 __u64 state_entry_time;
1632 __u64 time_running;
1633 __u64 time_runnable;
1634 __u64 time_blocked;
1635 __u64 time_offline;
1636 } runstate;
1637 } u;
1638};
1639
1640/* Available with KVM_CAP_XEN_HVM / KVM_XEN_HVM_CONFIG_SHARED_INFO */
1641#define KVM_XEN_VCPU_ATTR_TYPE_VCPU_INFO 0x0
1642#define KVM_XEN_VCPU_ATTR_TYPE_VCPU_TIME_INFO 0x1
1643#define KVM_XEN_VCPU_ATTR_TYPE_RUNSTATE_ADDR 0x2
1644#define KVM_XEN_VCPU_ATTR_TYPE_RUNSTATE_CURRENT 0x3
1645#define KVM_XEN_VCPU_ATTR_TYPE_RUNSTATE_DATA 0x4
1646#define KVM_XEN_VCPU_ATTR_TYPE_RUNSTATE_ADJUST 0x5
1647
1648/* Secure Encrypted Virtualization command */
1649enum sev_cmd_id {
1650 /* Guest initialization commands */
1651 KVM_SEV_INIT = 0,
1652 KVM_SEV_ES_INIT,
1653 /* Guest launch commands */
1654 KVM_SEV_LAUNCH_START,
1655 KVM_SEV_LAUNCH_UPDATE_DATA,
1656 KVM_SEV_LAUNCH_UPDATE_VMSA,
1657 KVM_SEV_LAUNCH_SECRET,
1658 KVM_SEV_LAUNCH_MEASURE,
1659 KVM_SEV_LAUNCH_FINISH,
1660 /* Guest migration commands (outgoing) */
1661 KVM_SEV_SEND_START,
1662 KVM_SEV_SEND_UPDATE_DATA,
1663 KVM_SEV_SEND_UPDATE_VMSA,
1664 KVM_SEV_SEND_FINISH,
1665 /* Guest migration commands (incoming) */
1666 KVM_SEV_RECEIVE_START,
1667 KVM_SEV_RECEIVE_UPDATE_DATA,
1668 KVM_SEV_RECEIVE_UPDATE_VMSA,
1669 KVM_SEV_RECEIVE_FINISH,
1670 /* Guest status and debug commands */
1671 KVM_SEV_GUEST_STATUS,
1672 KVM_SEV_DBG_DECRYPT,
1673 KVM_SEV_DBG_ENCRYPT,
1674 /* Guest certificates commands */
1675 KVM_SEV_CERT_EXPORT,
1676 /* Attestation report */
1677 KVM_SEV_GET_ATTESTATION_REPORT,
1678 /* Guest Migration Extension */
1679 KVM_SEV_SEND_CANCEL,
1680
1681 KVM_SEV_NR_MAX,
1682};
1683
1684struct kvm_sev_cmd {
1685 __u32 id;
1686 __u64 data;
1687 __u32 error;
1688 __u32 sev_fd;
1689};
1690
1691struct kvm_sev_launch_start {
1692 __u32 handle;
1693 __u32 policy;
1694 __u64 dh_uaddr;
1695 __u32 dh_len;
1696 __u64 session_uaddr;
1697 __u32 session_len;
1698};
1699
1700struct kvm_sev_launch_update_data {
1701 __u64 uaddr;
1702 __u32 len;
1703};
1704
1705
1706struct kvm_sev_launch_secret {
1707 __u64 hdr_uaddr;
1708 __u32 hdr_len;
1709 __u64 guest_uaddr;
1710 __u32 guest_len;
1711 __u64 trans_uaddr;
1712 __u32 trans_len;
1713};
1714
1715struct kvm_sev_launch_measure {
1716 __u64 uaddr;
1717 __u32 len;
1718};
1719
1720struct kvm_sev_guest_status {
1721 __u32 handle;
1722 __u32 policy;
1723 __u32 state;
1724};
1725
1726struct kvm_sev_dbg {
1727 __u64 src_uaddr;
1728 __u64 dst_uaddr;
1729 __u32 len;
1730};
1731
1732struct kvm_sev_attestation_report {
1733 __u8 mnonce[16];
1734 __u64 uaddr;
1735 __u32 len;
1736};
1737
1738struct kvm_sev_send_start {
1739 __u32 policy;
1740 __u64 pdh_cert_uaddr;
1741 __u32 pdh_cert_len;
1742 __u64 plat_certs_uaddr;
1743 __u32 plat_certs_len;
1744 __u64 amd_certs_uaddr;
1745 __u32 amd_certs_len;
1746 __u64 session_uaddr;
1747 __u32 session_len;
1748};
1749
1750struct kvm_sev_send_update_data {
1751 __u64 hdr_uaddr;
1752 __u32 hdr_len;
1753 __u64 guest_uaddr;
1754 __u32 guest_len;
1755 __u64 trans_uaddr;
1756 __u32 trans_len;
1757};
1758
1759struct kvm_sev_receive_start {
1760 __u32 handle;
1761 __u32 policy;
1762 __u64 pdh_uaddr;
1763 __u32 pdh_len;
1764 __u64 session_uaddr;
1765 __u32 session_len;
1766};
1767
1768struct kvm_sev_receive_update_data {
1769 __u64 hdr_uaddr;
1770 __u32 hdr_len;
1771 __u64 guest_uaddr;
1772 __u32 guest_len;
1773 __u64 trans_uaddr;
1774 __u32 trans_len;
1775};
1776
1777#define KVM_DEV_ASSIGN_ENABLE_IOMMU (1 << 0)
1778#define KVM_DEV_ASSIGN_PCI_2_3 (1 << 1)
1779#define KVM_DEV_ASSIGN_MASK_INTX (1 << 2)
1780
1781struct kvm_assigned_pci_dev {
1782 __u32 assigned_dev_id;
1783 __u32 busnr;
1784 __u32 devfn;
1785 __u32 flags;
1786 __u32 segnr;
1787 union {
1788 __u32 reserved[11];
1789 };
1790};
1791
1792#define KVM_DEV_IRQ_HOST_INTX (1 << 0)
1793#define KVM_DEV_IRQ_HOST_MSI (1 << 1)
1794#define KVM_DEV_IRQ_HOST_MSIX (1 << 2)
1795
1796#define KVM_DEV_IRQ_GUEST_INTX (1 << 8)
1797#define KVM_DEV_IRQ_GUEST_MSI (1 << 9)
1798#define KVM_DEV_IRQ_GUEST_MSIX (1 << 10)
1799
1800#define KVM_DEV_IRQ_HOST_MASK 0x00ff
1801#define KVM_DEV_IRQ_GUEST_MASK 0xff00
1802
1803struct kvm_assigned_irq {
1804 __u32 assigned_dev_id;
1805 __u32 host_irq; /* ignored (legacy field) */
1806 __u32 guest_irq;
1807 __u32 flags;
1808 union {
1809 __u32 reserved[12];
1810 };
1811};
1812
1813struct kvm_assigned_msix_nr {
1814 __u32 assigned_dev_id;
1815 __u16 entry_nr;
1816 __u16 padding;
1817};
1818
1819#define KVM_MAX_MSIX_PER_DEV 256
1820struct kvm_assigned_msix_entry {
1821 __u32 assigned_dev_id;
1822 __u32 gsi;
1823 __u16 entry; /* The index of entry in the MSI-X table */
1824 __u16 padding[3];
1825};
1826
1827#define KVM_X2APIC_API_USE_32BIT_IDS (1ULL << 0)
1828#define KVM_X2APIC_API_DISABLE_BROADCAST_QUIRK (1ULL << 1)
1829
1830/* Available with KVM_CAP_ARM_USER_IRQ */
1831
1832/* Bits for run->s.regs.device_irq_level */
1833#define KVM_ARM_DEV_EL1_VTIMER (1 << 0)
1834#define KVM_ARM_DEV_EL1_PTIMER (1 << 1)
1835#define KVM_ARM_DEV_PMU (1 << 2)
1836
1837struct kvm_hyperv_eventfd {
1838 __u32 conn_id;
1839 __s32 fd;
1840 __u32 flags;
1841 __u32 padding[3];
1842};
1843
1844#define KVM_HYPERV_CONN_ID_MASK 0x00ffffff
1845#define KVM_HYPERV_EVENTFD_DEASSIGN (1 << 0)
1846
1847#define KVM_DIRTY_LOG_MANUAL_PROTECT_ENABLE (1 << 0)
1848#define KVM_DIRTY_LOG_INITIALLY_SET (1 << 1)
1849
1850/*
1851 * Arch needs to define the macro after implementing the dirty ring
1852 * feature. KVM_DIRTY_LOG_PAGE_OFFSET should be defined as the
1853 * starting page offset of the dirty ring structures.
1854 */
1855#ifndef KVM_DIRTY_LOG_PAGE_OFFSET
1856#define KVM_DIRTY_LOG_PAGE_OFFSET 0
1857#endif
1858
1859/*
1860 * KVM dirty GFN flags, defined as:
1861 *
1862 * |---------------+---------------+--------------|
1863 * | bit 1 (reset) | bit 0 (dirty) | Status |
1864 * |---------------+---------------+--------------|
1865 * | 0 | 0 | Invalid GFN |
1866 * | 0 | 1 | Dirty GFN |
1867 * | 1 | X | GFN to reset |
1868 * |---------------+---------------+--------------|
1869 *
1870 * Lifecycle of a dirty GFN goes like:
1871 *
1872 * dirtied harvested reset
1873 * 00 -----------> 01 -------------> 1X -------+
1874 * ^ |
1875 * | |
1876 * +------------------------------------------+
1877 *
1878 * The userspace program is only responsible for the 01->1X state
1879 * conversion after harvesting an entry. Also, it must not skip any
1880 * dirty bits, so that dirty bits are always harvested in sequence.
1881 */
1882#define KVM_DIRTY_GFN_F_DIRTY BIT(0)
1883#define KVM_DIRTY_GFN_F_RESET BIT(1)
1884#define KVM_DIRTY_GFN_F_MASK 0x3
1885
1886/*
1887 * KVM dirty rings should be mapped at KVM_DIRTY_LOG_PAGE_OFFSET of
1888 * per-vcpu mmaped regions as an array of struct kvm_dirty_gfn. The
1889 * size of the gfn buffer is decided by the first argument when
1890 * enabling KVM_CAP_DIRTY_LOG_RING.
1891 */
1892struct kvm_dirty_gfn {
1893 __u32 flags;
1894 __u32 slot;
1895 __u64 offset;
1896};
1897
1898#define KVM_BUS_LOCK_DETECTION_OFF (1 << 0)
1899#define KVM_BUS_LOCK_DETECTION_EXIT (1 << 1)
1900
1901#endif /* __LINUX_KVM_H */