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