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tools include uapi: Grab a copy of linux/kvm.h
[linux-2.6-block.git] / tools / include / uapi / linux / kvm.h
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ACM		 1#ifndef __LINUX_KVM_H
2#define __LINUX_KVM_H
3
4/*
5 * Userspace interface for /dev/kvm - kernel based virtual machine
6 *
7 * Note: you must update KVM_API_VERSION if you change this interface.
8 */
9
10#include <linux/types.h>
11#include <linux/compiler.h>
12#include <linux/ioctl.h>
13#include <asm/kvm.h>
14
15#define KVM_API_VERSION 12
16
17/* *** Deprecated interfaces *** */
18
19#define KVM_TRC_SHIFT 16
20
21#define KVM_TRC_ENTRYEXIT (1 << KVM_TRC_SHIFT)
22#define KVM_TRC_HANDLER (1 << (KVM_TRC_SHIFT + 1))
23
24#define KVM_TRC_VMENTRY (KVM_TRC_ENTRYEXIT + 0x01)
25#define KVM_TRC_VMEXIT (KVM_TRC_ENTRYEXIT + 0x02)
26#define KVM_TRC_PAGE_FAULT (KVM_TRC_HANDLER + 0x01)
27
28#define KVM_TRC_HEAD_SIZE 12
29#define KVM_TRC_CYCLE_SIZE 8
30#define KVM_TRC_EXTRA_MAX 7
31
32#define KVM_TRC_INJ_VIRQ (KVM_TRC_HANDLER + 0x02)
33#define KVM_TRC_REDELIVER_EVT (KVM_TRC_HANDLER + 0x03)
34#define KVM_TRC_PEND_INTR (KVM_TRC_HANDLER + 0x04)
35#define KVM_TRC_IO_READ (KVM_TRC_HANDLER + 0x05)
36#define KVM_TRC_IO_WRITE (KVM_TRC_HANDLER + 0x06)
37#define KVM_TRC_CR_READ (KVM_TRC_HANDLER + 0x07)
38#define KVM_TRC_CR_WRITE (KVM_TRC_HANDLER + 0x08)
39#define KVM_TRC_DR_READ (KVM_TRC_HANDLER + 0x09)
40#define KVM_TRC_DR_WRITE (KVM_TRC_HANDLER + 0x0A)
41#define KVM_TRC_MSR_READ (KVM_TRC_HANDLER + 0x0B)
42#define KVM_TRC_MSR_WRITE (KVM_TRC_HANDLER + 0x0C)
43#define KVM_TRC_CPUID (KVM_TRC_HANDLER + 0x0D)
44#define KVM_TRC_INTR (KVM_TRC_HANDLER + 0x0E)
45#define KVM_TRC_NMI (KVM_TRC_HANDLER + 0x0F)
46#define KVM_TRC_VMMCALL (KVM_TRC_HANDLER + 0x10)
47#define KVM_TRC_HLT (KVM_TRC_HANDLER + 0x11)
48#define KVM_TRC_CLTS (KVM_TRC_HANDLER + 0x12)
49#define KVM_TRC_LMSW (KVM_TRC_HANDLER + 0x13)
50#define KVM_TRC_APIC_ACCESS (KVM_TRC_HANDLER + 0x14)
51#define KVM_TRC_TDP_FAULT (KVM_TRC_HANDLER + 0x15)
52#define KVM_TRC_GTLB_WRITE (KVM_TRC_HANDLER + 0x16)
53#define KVM_TRC_STLB_WRITE (KVM_TRC_HANDLER + 0x17)
54#define KVM_TRC_STLB_INVAL (KVM_TRC_HANDLER + 0x18)
55#define KVM_TRC_PPC_INSTR (KVM_TRC_HANDLER + 0x19)
56
57struct kvm_user_trace_setup {
58 __u32 buf_size;
59 __u32 buf_nr;
60};
61
62#define __KVM_DEPRECATED_MAIN_W_0x06 \
63 _IOW(KVMIO, 0x06, struct kvm_user_trace_setup)
64#define __KVM_DEPRECATED_MAIN_0x07 _IO(KVMIO, 0x07)
65#define __KVM_DEPRECATED_MAIN_0x08 _IO(KVMIO, 0x08)
66
67#define __KVM_DEPRECATED_VM_R_0x70 _IOR(KVMIO, 0x70, struct kvm_assigned_irq)
68
69struct kvm_breakpoint {
70 __u32 enabled;
71 __u32 padding;
72 __u64 address;
73};
74
75struct kvm_debug_guest {
76 __u32 enabled;
77 __u32 pad;
78 struct kvm_breakpoint breakpoints[4];
79 __u32 singlestep;
80};
81
82#define __KVM_DEPRECATED_VCPU_W_0x87 _IOW(KVMIO, 0x87, struct kvm_debug_guest)
83
84/* *** End of deprecated interfaces *** */
85
86
87/* for KVM_CREATE_MEMORY_REGION */
88struct kvm_memory_region {
89 __u32 slot;
90 __u32 flags;
91 __u64 guest_phys_addr;
92 __u64 memory_size; /* bytes */
93};
94
95/* for KVM_SET_USER_MEMORY_REGION */
96struct kvm_userspace_memory_region {
97 __u32 slot;
98 __u32 flags;
99 __u64 guest_phys_addr;
100 __u64 memory_size; /* bytes */
101 __u64 userspace_addr; /* start of the userspace allocated memory */
102};
103
104/*
105 * The bit 0 ~ bit 15 of kvm_memory_region::flags are visible for userspace,
106 * other bits are reserved for kvm internal use which are defined in
107 * include/linux/kvm_host.h.
108 */
109#define KVM_MEM_LOG_DIRTY_PAGES (1UL << 0)
110#define KVM_MEM_READONLY (1UL << 1)
111
112/* for KVM_IRQ_LINE */
113struct kvm_irq_level {
114 /*
115 * ACPI gsi notion of irq.
116 * For IA-64 (APIC model) IOAPIC0: irq 0-23; IOAPIC1: irq 24-47..
117 * For X86 (standard AT mode) PIC0/1: irq 0-15. IOAPIC0: 0-23..
118 * For ARM: See Documentation/virtual/kvm/api.txt
119 */
120 union {
121 __u32 irq;
122 __s32 status;
123 };
124 __u32 level;
125};
126
127
128struct kvm_irqchip {
129 __u32 chip_id;
130 __u32 pad;
131 union {
132 char dummy[512]; /* reserving space */
133#ifdef __KVM_HAVE_PIT
134 struct kvm_pic_state pic;
135#endif
136#ifdef __KVM_HAVE_IOAPIC
137 struct kvm_ioapic_state ioapic;
138#endif
139 } chip;
140};
141
142/* for KVM_CREATE_PIT2 */
143struct kvm_pit_config {
144 __u32 flags;
145 __u32 pad[15];
146};
147
148#define KVM_PIT_SPEAKER_DUMMY 1
149
150struct kvm_s390_skeys {
151 __u64 start_gfn;
152 __u64 count;
153 __u64 skeydata_addr;
154 __u32 flags;
155 __u32 reserved[9];
156};
157
158#define KVM_S390_CMMA_PEEK (1 << 0)
159
160/**
161 * kvm_s390_cmma_log - Used for CMMA migration.
162 *
163 * Used both for input and output.
164 *
165 * @start_gfn: Guest page number to start from.
166 * @count: Size of the result buffer.
167 * @flags: Control operation mode via KVM_S390_CMMA_* flags
168 * @remaining: Used with KVM_S390_GET_CMMA_BITS. Indicates how many dirty
169 * pages are still remaining.
170 * @mask: Used with KVM_S390_SET_CMMA_BITS. Bitmap of bits to actually set
171 * in the PGSTE.
172 * @values: Pointer to the values buffer.
173 *
174 * Used in KVM_S390_{G,S}ET_CMMA_BITS ioctls.
175 */
176struct kvm_s390_cmma_log {
177 __u64 start_gfn;
178 __u32 count;
179 __u32 flags;
180 union {
181 __u64 remaining;
182 __u64 mask;
183 };
184 __u64 values;
185};
186
187struct kvm_hyperv_exit {
188#define KVM_EXIT_HYPERV_SYNIC 1
189#define KVM_EXIT_HYPERV_HCALL 2
190 __u32 type;
191 union {
192 struct {
193 __u32 msr;
194 __u64 control;
195 __u64 evt_page;
196 __u64 msg_page;
197 } synic;
198 struct {
199 __u64 input;
200 __u64 result;
201 __u64 params[2];
202 } hcall;
203 } u;
204};
205
206#define KVM_S390_GET_SKEYS_NONE 1
207#define KVM_S390_SKEYS_MAX 1048576
208
209#define KVM_EXIT_UNKNOWN 0
210#define KVM_EXIT_EXCEPTION 1
211#define KVM_EXIT_IO 2
212#define KVM_EXIT_HYPERCALL 3
213#define KVM_EXIT_DEBUG 4
214#define KVM_EXIT_HLT 5
215#define KVM_EXIT_MMIO 6
216#define KVM_EXIT_IRQ_WINDOW_OPEN 7
217#define KVM_EXIT_SHUTDOWN 8
218#define KVM_EXIT_FAIL_ENTRY 9
219#define KVM_EXIT_INTR 10
220#define KVM_EXIT_SET_TPR 11
221#define KVM_EXIT_TPR_ACCESS 12
222#define KVM_EXIT_S390_SIEIC 13
223#define KVM_EXIT_S390_RESET 14
224#define KVM_EXIT_DCR 15 /* deprecated */
225#define KVM_EXIT_NMI 16
226#define KVM_EXIT_INTERNAL_ERROR 17
227#define KVM_EXIT_OSI 18
228#define KVM_EXIT_PAPR_HCALL 19
229#define KVM_EXIT_S390_UCONTROL 20
230#define KVM_EXIT_WATCHDOG 21
231#define KVM_EXIT_S390_TSCH 22
232#define KVM_EXIT_EPR 23
233#define KVM_EXIT_SYSTEM_EVENT 24
234#define KVM_EXIT_S390_STSI 25
235#define KVM_EXIT_IOAPIC_EOI 26
236#define KVM_EXIT_HYPERV 27
237
238/* For KVM_EXIT_INTERNAL_ERROR */
239/* Emulate instruction failed. */
240#define KVM_INTERNAL_ERROR_EMULATION 1
241/* Encounter unexpected simultaneous exceptions. */
242#define KVM_INTERNAL_ERROR_SIMUL_EX 2
243/* Encounter unexpected vm-exit due to delivery event. */
244#define KVM_INTERNAL_ERROR_DELIVERY_EV 3
245
246/* for KVM_RUN, returned by mmap(vcpu_fd, offset=0) */
247struct kvm_run {
248 /* in */
249 __u8 request_interrupt_window;
250 __u8 immediate_exit;
251 __u8 padding1[6];
252
253 /* out */
254 __u32 exit_reason;
255 __u8 ready_for_interrupt_injection;
256 __u8 if_flag;
257 __u16 flags;
258
259 /* in (pre_kvm_run), out (post_kvm_run) */
260 __u64 cr8;
261 __u64 apic_base;
262
263#ifdef __KVM_S390
264 /* the processor status word for s390 */
265 __u64 psw_mask; /* psw upper half */
266 __u64 psw_addr; /* psw lower half */
267#endif
268 union {
269 /* KVM_EXIT_UNKNOWN */
270 struct {
271 __u64 hardware_exit_reason;
272 } hw;
273 /* KVM_EXIT_FAIL_ENTRY */
274 struct {
275 __u64 hardware_entry_failure_reason;
276 } fail_entry;
277 /* KVM_EXIT_EXCEPTION */
278 struct {
279 __u32 exception;
280 __u32 error_code;
281 } ex;
282 /* KVM_EXIT_IO */
283 struct {
284#define KVM_EXIT_IO_IN 0
285#define KVM_EXIT_IO_OUT 1
286 __u8 direction;
287 __u8 size; /* bytes */
288 __u16 port;
289 __u32 count;
290 __u64 data_offset; /* relative to kvm_run start */
291 } io;
292 /* KVM_EXIT_DEBUG */
293 struct {
294 struct kvm_debug_exit_arch arch;
295 } debug;
296 /* KVM_EXIT_MMIO */
297 struct {
298 __u64 phys_addr;
299 __u8 data[8];
300 __u32 len;
301 __u8 is_write;
302 } mmio;
303 /* KVM_EXIT_HYPERCALL */
304 struct {
305 __u64 nr;
306 __u64 args[6];
307 __u64 ret;
308 __u32 longmode;
309 __u32 pad;
310 } hypercall;
311 /* KVM_EXIT_TPR_ACCESS */
312 struct {
313 __u64 rip;
314 __u32 is_write;
315 __u32 pad;
316 } tpr_access;
317 /* KVM_EXIT_S390_SIEIC */
318 struct {
319 __u8 icptcode;
320 __u16 ipa;
321 __u32 ipb;
322 } s390_sieic;
323 /* KVM_EXIT_S390_RESET */
324#define KVM_S390_RESET_POR 1
325#define KVM_S390_RESET_CLEAR 2
326#define KVM_S390_RESET_SUBSYSTEM 4
327#define KVM_S390_RESET_CPU_INIT 8
328#define KVM_S390_RESET_IPL 16
329 __u64 s390_reset_flags;
330 /* KVM_EXIT_S390_UCONTROL */
331 struct {
332 __u64 trans_exc_code;
333 __u32 pgm_code;
334 } s390_ucontrol;
335 /* KVM_EXIT_DCR (deprecated) */
336 struct {
337 __u32 dcrn;
338 __u32 data;
339 __u8 is_write;
340 } dcr;
341 /* KVM_EXIT_INTERNAL_ERROR */
342 struct {
343 __u32 suberror;
344 /* Available with KVM_CAP_INTERNAL_ERROR_DATA: */
345 __u32 ndata;
346 __u64 data[16];
347 } internal;
348 /* KVM_EXIT_OSI */
349 struct {
350 __u64 gprs[32];
351 } osi;
352 /* KVM_EXIT_PAPR_HCALL */
353 struct {
354 __u64 nr;
355 __u64 ret;
356 __u64 args[9];
357 } papr_hcall;
358 /* KVM_EXIT_S390_TSCH */
359 struct {
360 __u16 subchannel_id;
361 __u16 subchannel_nr;
362 __u32 io_int_parm;
363 __u32 io_int_word;
364 __u32 ipb;
365 __u8 dequeued;
366 } s390_tsch;
367 /* KVM_EXIT_EPR */
368 struct {
369 __u32 epr;
370 } epr;
371 /* KVM_EXIT_SYSTEM_EVENT */
372 struct {
373#define KVM_SYSTEM_EVENT_SHUTDOWN 1
374#define KVM_SYSTEM_EVENT_RESET 2
375#define KVM_SYSTEM_EVENT_CRASH 3
376 __u32 type;
377 __u64 flags;
378 } system_event;
379 /* KVM_EXIT_S390_STSI */
380 struct {
381 __u64 addr;
382 __u8 ar;
383 __u8 reserved;
384 __u8 fc;
385 __u8 sel1;
386 __u16 sel2;
387 } s390_stsi;
388 /* KVM_EXIT_IOAPIC_EOI */
389 struct {
390 __u8 vector;
391 } eoi;
392 /* KVM_EXIT_HYPERV */
393 struct kvm_hyperv_exit hyperv;
394 /* Fix the size of the union. */
395 char padding[256];
396 };
397
398 /*
399 * shared registers between kvm and userspace.
400 * kvm_valid_regs specifies the register classes set by the host
401 * kvm_dirty_regs specified the register classes dirtied by userspace
402 * struct kvm_sync_regs is architecture specific, as well as the
403 * bits for kvm_valid_regs and kvm_dirty_regs
404 */
405 __u64 kvm_valid_regs;
406 __u64 kvm_dirty_regs;
407 union {
408 struct kvm_sync_regs regs;
409 char padding[2048];
410 } s;
411};
412
413/* for KVM_REGISTER_COALESCED_MMIO / KVM_UNREGISTER_COALESCED_MMIO */
414
415struct kvm_coalesced_mmio_zone {
416 __u64 addr;
417 __u32 size;
418 __u32 pad;
419};
420
421struct kvm_coalesced_mmio {
422 __u64 phys_addr;
423 __u32 len;
424 __u32 pad;
425 __u8 data[8];
426};
427
428struct kvm_coalesced_mmio_ring {
429 __u32 first, last;
430 struct kvm_coalesced_mmio coalesced_mmio[0];
431};
432
433#define KVM_COALESCED_MMIO_MAX \
434 ((PAGE_SIZE - sizeof(struct kvm_coalesced_mmio_ring)) / \
435 sizeof(struct kvm_coalesced_mmio))
436
437/* for KVM_TRANSLATE */
438struct kvm_translation {
439 /* in */
440 __u64 linear_address;
441
442 /* out */
443 __u64 physical_address;
444 __u8 valid;
445 __u8 writeable;
446 __u8 usermode;
447 __u8 pad[5];
448};
449
450/* for KVM_S390_MEM_OP */
451struct kvm_s390_mem_op {
452 /* in */
453 __u64 gaddr; /* the guest address */
454 __u64 flags; /* flags */
455 __u32 size; /* amount of bytes */
456 __u32 op; /* type of operation */
457 __u64 buf; /* buffer in userspace */
458 __u8 ar; /* the access register number */
459 __u8 reserved[31]; /* should be set to 0 */
460};
461/* types for kvm_s390_mem_op->op */
462#define KVM_S390_MEMOP_LOGICAL_READ 0
463#define KVM_S390_MEMOP_LOGICAL_WRITE 1
464/* flags for kvm_s390_mem_op->flags */
465#define KVM_S390_MEMOP_F_CHECK_ONLY (1ULL << 0)
466#define KVM_S390_MEMOP_F_INJECT_EXCEPTION (1ULL << 1)
467
468/* for KVM_INTERRUPT */
469struct kvm_interrupt {
470 /* in */
471 __u32 irq;
472};
473
474/* for KVM_GET_DIRTY_LOG */
475struct kvm_dirty_log {
476 __u32 slot;
477 __u32 padding1;
478 union {
479 void __user *dirty_bitmap; /* one bit per page */
480 __u64 padding2;
481 };
482};
483
484/* for KVM_SET_SIGNAL_MASK */
485struct kvm_signal_mask {
486 __u32 len;
487 __u8 sigset[0];
488};
489
490/* for KVM_TPR_ACCESS_REPORTING */
491struct kvm_tpr_access_ctl {
492 __u32 enabled;
493 __u32 flags;
494 __u32 reserved[8];
495};
496
497/* for KVM_SET_VAPIC_ADDR */
498struct kvm_vapic_addr {
499 __u64 vapic_addr;
500};
501
502/* for KVM_SET_MP_STATE */
503
504/* not all states are valid on all architectures */
505#define KVM_MP_STATE_RUNNABLE 0
506#define KVM_MP_STATE_UNINITIALIZED 1
507#define KVM_MP_STATE_INIT_RECEIVED 2
508#define KVM_MP_STATE_HALTED 3
509#define KVM_MP_STATE_SIPI_RECEIVED 4
510#define KVM_MP_STATE_STOPPED 5
511#define KVM_MP_STATE_CHECK_STOP 6
512#define KVM_MP_STATE_OPERATING 7
513#define KVM_MP_STATE_LOAD 8
514
515struct kvm_mp_state {
516 __u32 mp_state;
517};
518
519struct kvm_s390_psw {
520 __u64 mask;
521 __u64 addr;
522};
523
524/* valid values for type in kvm_s390_interrupt */
525#define KVM_S390_SIGP_STOP 0xfffe0000u
526#define KVM_S390_PROGRAM_INT 0xfffe0001u
527#define KVM_S390_SIGP_SET_PREFIX 0xfffe0002u
528#define KVM_S390_RESTART 0xfffe0003u
529#define KVM_S390_INT_PFAULT_INIT 0xfffe0004u
530#define KVM_S390_INT_PFAULT_DONE 0xfffe0005u
531#define KVM_S390_MCHK 0xfffe1000u
532#define KVM_S390_INT_CLOCK_COMP 0xffff1004u
533#define KVM_S390_INT_CPU_TIMER 0xffff1005u
534#define KVM_S390_INT_VIRTIO 0xffff2603u
535#define KVM_S390_INT_SERVICE 0xffff2401u
536#define KVM_S390_INT_EMERGENCY 0xffff1201u
537#define KVM_S390_INT_EXTERNAL_CALL 0xffff1202u
538/* Anything below 0xfffe0000u is taken by INT_IO */
539#define KVM_S390_INT_IO(ai,cssid,ssid,schid) \
540 (((schid)) | \
541 ((ssid) << 16) | \
542 ((cssid) << 18) | \
543 ((ai) << 26))
544#define KVM_S390_INT_IO_MIN 0x00000000u
545#define KVM_S390_INT_IO_MAX 0xfffdffffu
546#define KVM_S390_INT_IO_AI_MASK 0x04000000u
547
548
549struct kvm_s390_interrupt {
550 __u32 type;
551 __u32 parm;
552 __u64 parm64;
553};
554
555struct kvm_s390_io_info {
556 __u16 subchannel_id;
557 __u16 subchannel_nr;
558 __u32 io_int_parm;
559 __u32 io_int_word;
560};
561
562struct kvm_s390_ext_info {
563 __u32 ext_params;
564 __u32 pad;
565 __u64 ext_params2;
566};
567
568struct kvm_s390_pgm_info {
569 __u64 trans_exc_code;
570 __u64 mon_code;
571 __u64 per_address;
572 __u32 data_exc_code;
573 __u16 code;
574 __u16 mon_class_nr;
575 __u8 per_code;
576 __u8 per_atmid;
577 __u8 exc_access_id;
578 __u8 per_access_id;
579 __u8 op_access_id;
580#define KVM_S390_PGM_FLAGS_ILC_VALID 0x01
581#define KVM_S390_PGM_FLAGS_ILC_0 0x02
582#define KVM_S390_PGM_FLAGS_ILC_1 0x04
583#define KVM_S390_PGM_FLAGS_ILC_MASK 0x06
584#define KVM_S390_PGM_FLAGS_NO_REWIND 0x08
585 __u8 flags;
586 __u8 pad[2];
587};
588
589struct kvm_s390_prefix_info {
590 __u32 address;
591};
592
593struct kvm_s390_extcall_info {
594 __u16 code;
595};
596
597struct kvm_s390_emerg_info {
598 __u16 code;
599};
600
601#define KVM_S390_STOP_FLAG_STORE_STATUS 0x01
602struct kvm_s390_stop_info {
603 __u32 flags;
604};
605
606struct kvm_s390_mchk_info {
607 __u64 cr14;
608 __u64 mcic;
609 __u64 failing_storage_address;
610 __u32 ext_damage_code;
611 __u32 pad;
612 __u8 fixed_logout[16];
613};
614
615struct kvm_s390_irq {
616 __u64 type;
617 union {
618 struct kvm_s390_io_info io;
619 struct kvm_s390_ext_info ext;
620 struct kvm_s390_pgm_info pgm;
621 struct kvm_s390_emerg_info emerg;
622 struct kvm_s390_extcall_info extcall;
623 struct kvm_s390_prefix_info prefix;
624 struct kvm_s390_stop_info stop;
625 struct kvm_s390_mchk_info mchk;
626 char reserved[64];
627 } u;
628};
629
630struct kvm_s390_irq_state {
631 __u64 buf;
632 __u32 flags;
633 __u32 len;
634 __u32 reserved[4];
635};
636
637/* for KVM_SET_GUEST_DEBUG */
638
639#define KVM_GUESTDBG_ENABLE 0x00000001
640#define KVM_GUESTDBG_SINGLESTEP 0x00000002
641
642struct kvm_guest_debug {
643 __u32 control;
644 __u32 pad;
645 struct kvm_guest_debug_arch arch;
646};
647
648enum {
649 kvm_ioeventfd_flag_nr_datamatch,
650 kvm_ioeventfd_flag_nr_pio,
651 kvm_ioeventfd_flag_nr_deassign,
652 kvm_ioeventfd_flag_nr_virtio_ccw_notify,
653 kvm_ioeventfd_flag_nr_fast_mmio,
654 kvm_ioeventfd_flag_nr_max,
655};
656
657#define KVM_IOEVENTFD_FLAG_DATAMATCH (1 << kvm_ioeventfd_flag_nr_datamatch)
658#define KVM_IOEVENTFD_FLAG_PIO (1 << kvm_ioeventfd_flag_nr_pio)
659#define KVM_IOEVENTFD_FLAG_DEASSIGN (1 << kvm_ioeventfd_flag_nr_deassign)
660#define KVM_IOEVENTFD_FLAG_VIRTIO_CCW_NOTIFY \
661 (1 << kvm_ioeventfd_flag_nr_virtio_ccw_notify)
662
663#define KVM_IOEVENTFD_VALID_FLAG_MASK ((1 << kvm_ioeventfd_flag_nr_max) - 1)
664
665struct kvm_ioeventfd {
666 __u64 datamatch;
667 __u64 addr; /* legal pio/mmio address */
668 __u32 len; /* 1, 2, 4, or 8 bytes; or 0 to ignore length */
669 __s32 fd;
670 __u32 flags;
671 __u8 pad[36];
672};
673
674/* for KVM_ENABLE_CAP */
675struct kvm_enable_cap {
676 /* in */
677 __u32 cap;
678 __u32 flags;
679 __u64 args[4];
680 __u8 pad[64];
681};
682
683/* for KVM_PPC_GET_PVINFO */
684
685#define KVM_PPC_PVINFO_FLAGS_EV_IDLE (1<<0)
686
687struct kvm_ppc_pvinfo {
688 /* out */
689 __u32 flags;
690 __u32 hcall[4];
691 __u8 pad[108];
692};
693
694/* for KVM_PPC_GET_SMMU_INFO */
695#define KVM_PPC_PAGE_SIZES_MAX_SZ 8
696
697struct kvm_ppc_one_page_size {
698 __u32 page_shift; /* Page shift (or 0) */
699 __u32 pte_enc; /* Encoding in the HPTE (>>12) */
700};
701
702struct kvm_ppc_one_seg_page_size {
703 __u32 page_shift; /* Base page shift of segment (or 0) */
704 __u32 slb_enc; /* SLB encoding for BookS */
705 struct kvm_ppc_one_page_size enc[KVM_PPC_PAGE_SIZES_MAX_SZ];
706};
707
708#define KVM_PPC_PAGE_SIZES_REAL 0x00000001
709#define KVM_PPC_1T_SEGMENTS 0x00000002
710
711struct kvm_ppc_smmu_info {
712 __u64 flags;
713 __u32 slb_size;
714 __u32 pad;
715 struct kvm_ppc_one_seg_page_size sps[KVM_PPC_PAGE_SIZES_MAX_SZ];
716};
717
718/* for KVM_PPC_RESIZE_HPT_{PREPARE,COMMIT} */
719struct kvm_ppc_resize_hpt {
720 __u64 flags;
721 __u32 shift;
722 __u32 pad;
723};
724
725#define KVMIO 0xAE
726
727/* machine type bits, to be used as argument to KVM_CREATE_VM */
728#define KVM_VM_S390_UCONTROL 1
729
730/* on ppc, 0 indicate default, 1 should force HV and 2 PR */
731#define KVM_VM_PPC_HV 1
732#define KVM_VM_PPC_PR 2
733
734/* on MIPS, 0 forces trap & emulate, 1 forces VZ ASE */
735#define KVM_VM_MIPS_TE 0
736#define KVM_VM_MIPS_VZ 1
737
738#define KVM_S390_SIE_PAGE_OFFSET 1
739
740/*
741 * ioctls for /dev/kvm fds:
742 */
743#define KVM_GET_API_VERSION _IO(KVMIO, 0x00)
744#define KVM_CREATE_VM _IO(KVMIO, 0x01) /* returns a VM fd */
745#define KVM_GET_MSR_INDEX_LIST _IOWR(KVMIO, 0x02, struct kvm_msr_list)
746
747#define KVM_S390_ENABLE_SIE _IO(KVMIO, 0x06)
748/*
749 * Check if a kvm extension is available. Argument is extension number,
750 * return is 1 (yes) or 0 (no, sorry).
751 */
752#define KVM_CHECK_EXTENSION _IO(KVMIO, 0x03)
753/*
754 * Get size for mmap(vcpu_fd)
755 */
756#define KVM_GET_VCPU_MMAP_SIZE _IO(KVMIO, 0x04) /* in bytes */
757#define KVM_GET_SUPPORTED_CPUID _IOWR(KVMIO, 0x05, struct kvm_cpuid2)
758#define KVM_TRACE_ENABLE __KVM_DEPRECATED_MAIN_W_0x06
759#define KVM_TRACE_PAUSE __KVM_DEPRECATED_MAIN_0x07
760#define KVM_TRACE_DISABLE __KVM_DEPRECATED_MAIN_0x08
761#define KVM_GET_EMULATED_CPUID _IOWR(KVMIO, 0x09, struct kvm_cpuid2)
762
763/*
764 * Extension capability list.
765 */
766#define KVM_CAP_IRQCHIP 0
767#define KVM_CAP_HLT 1
768#define KVM_CAP_MMU_SHADOW_CACHE_CONTROL 2
769#define KVM_CAP_USER_MEMORY 3
770#define KVM_CAP_SET_TSS_ADDR 4
771#define KVM_CAP_VAPIC 6
772#define KVM_CAP_EXT_CPUID 7
773#define KVM_CAP_CLOCKSOURCE 8
774#define KVM_CAP_NR_VCPUS 9 /* returns recommended max vcpus per vm */
775#define KVM_CAP_NR_MEMSLOTS 10 /* returns max memory slots per vm */
776#define KVM_CAP_PIT 11
777#define KVM_CAP_NOP_IO_DELAY 12
778#define KVM_CAP_PV_MMU 13
779#define KVM_CAP_MP_STATE 14
780#define KVM_CAP_COALESCED_MMIO 15
781#define KVM_CAP_SYNC_MMU 16 /* Changes to host mmap are reflected in guest */
782#define KVM_CAP_IOMMU 18
783/* Bug in KVM_SET_USER_MEMORY_REGION fixed: */
784#define KVM_CAP_DESTROY_MEMORY_REGION_WORKS 21
785#define KVM_CAP_USER_NMI 22
786#ifdef __KVM_HAVE_GUEST_DEBUG
787#define KVM_CAP_SET_GUEST_DEBUG 23
788#endif
789#ifdef __KVM_HAVE_PIT
790#define KVM_CAP_REINJECT_CONTROL 24
791#endif
792#define KVM_CAP_IRQ_ROUTING 25
793#define KVM_CAP_IRQ_INJECT_STATUS 26
794#define KVM_CAP_ASSIGN_DEV_IRQ 29
795/* Another bug in KVM_SET_USER_MEMORY_REGION fixed: */
796#define KVM_CAP_JOIN_MEMORY_REGIONS_WORKS 30
797#ifdef __KVM_HAVE_MCE
798#define KVM_CAP_MCE 31
799#endif
800#define KVM_CAP_IRQFD 32
801#ifdef __KVM_HAVE_PIT
802#define KVM_CAP_PIT2 33
803#endif
804#define KVM_CAP_SET_BOOT_CPU_ID 34
805#ifdef __KVM_HAVE_PIT_STATE2
806#define KVM_CAP_PIT_STATE2 35
807#endif
808#define KVM_CAP_IOEVENTFD 36
809#define KVM_CAP_SET_IDENTITY_MAP_ADDR 37
810#ifdef __KVM_HAVE_XEN_HVM
811#define KVM_CAP_XEN_HVM 38
812#endif
813#define KVM_CAP_ADJUST_CLOCK 39
814#define KVM_CAP_INTERNAL_ERROR_DATA 40
815#ifdef __KVM_HAVE_VCPU_EVENTS
816#define KVM_CAP_VCPU_EVENTS 41
817#endif
818#define KVM_CAP_S390_PSW 42
819#define KVM_CAP_PPC_SEGSTATE 43
820#define KVM_CAP_HYPERV 44
821#define KVM_CAP_HYPERV_VAPIC 45
822#define KVM_CAP_HYPERV_SPIN 46
823#define KVM_CAP_PCI_SEGMENT 47
824#define KVM_CAP_PPC_PAIRED_SINGLES 48
825#define KVM_CAP_INTR_SHADOW 49
826#ifdef __KVM_HAVE_DEBUGREGS
827#define KVM_CAP_DEBUGREGS 50
828#endif
829#define KVM_CAP_X86_ROBUST_SINGLESTEP 51
830#define KVM_CAP_PPC_OSI 52
831#define KVM_CAP_PPC_UNSET_IRQ 53
832#define KVM_CAP_ENABLE_CAP 54
833#ifdef __KVM_HAVE_XSAVE
834#define KVM_CAP_XSAVE 55
835#endif
836#ifdef __KVM_HAVE_XCRS
837#define KVM_CAP_XCRS 56
838#endif
839#define KVM_CAP_PPC_GET_PVINFO 57
840#define KVM_CAP_PPC_IRQ_LEVEL 58
841#define KVM_CAP_ASYNC_PF 59
842#define KVM_CAP_TSC_CONTROL 60
843#define KVM_CAP_GET_TSC_KHZ 61
844#define KVM_CAP_PPC_BOOKE_SREGS 62
845#define KVM_CAP_SPAPR_TCE 63
846#define KVM_CAP_PPC_SMT 64
847#define KVM_CAP_PPC_RMA 65
848#define KVM_CAP_MAX_VCPUS 66 /* returns max vcpus per vm */
849#define KVM_CAP_PPC_HIOR 67
850#define KVM_CAP_PPC_PAPR 68
851#define KVM_CAP_SW_TLB 69
852#define KVM_CAP_ONE_REG 70
853#define KVM_CAP_S390_GMAP 71
854#define KVM_CAP_TSC_DEADLINE_TIMER 72
855#define KVM_CAP_S390_UCONTROL 73
856#define KVM_CAP_SYNC_REGS 74
857#define KVM_CAP_PCI_2_3 75
858#define KVM_CAP_KVMCLOCK_CTRL 76
859#define KVM_CAP_SIGNAL_MSI 77
860#define KVM_CAP_PPC_GET_SMMU_INFO 78
861#define KVM_CAP_S390_COW 79
862#define KVM_CAP_PPC_ALLOC_HTAB 80
863#define KVM_CAP_READONLY_MEM 81
864#define KVM_CAP_IRQFD_RESAMPLE 82
865#define KVM_CAP_PPC_BOOKE_WATCHDOG 83
866#define KVM_CAP_PPC_HTAB_FD 84
867#define KVM_CAP_S390_CSS_SUPPORT 85
868#define KVM_CAP_PPC_EPR 86
869#define KVM_CAP_ARM_PSCI 87
870#define KVM_CAP_ARM_SET_DEVICE_ADDR 88
871#define KVM_CAP_DEVICE_CTRL 89
872#define KVM_CAP_IRQ_MPIC 90
873#define KVM_CAP_PPC_RTAS 91
874#define KVM_CAP_IRQ_XICS 92
875#define KVM_CAP_ARM_EL1_32BIT 93
876#define KVM_CAP_SPAPR_MULTITCE 94
877#define KVM_CAP_EXT_EMUL_CPUID 95
878#define KVM_CAP_HYPERV_TIME 96
879#define KVM_CAP_IOAPIC_POLARITY_IGNORED 97
880#define KVM_CAP_ENABLE_CAP_VM 98
881#define KVM_CAP_S390_IRQCHIP 99
882#define KVM_CAP_IOEVENTFD_NO_LENGTH 100
883#define KVM_CAP_VM_ATTRIBUTES 101
884#define KVM_CAP_ARM_PSCI_0_2 102
885#define KVM_CAP_PPC_FIXUP_HCALL 103
886#define KVM_CAP_PPC_ENABLE_HCALL 104
887#define KVM_CAP_CHECK_EXTENSION_VM 105
888#define KVM_CAP_S390_USER_SIGP 106
889#define KVM_CAP_S390_VECTOR_REGISTERS 107
890#define KVM_CAP_S390_MEM_OP 108
891#define KVM_CAP_S390_USER_STSI 109
892#define KVM_CAP_S390_SKEYS 110
893#define KVM_CAP_MIPS_FPU 111
894#define KVM_CAP_MIPS_MSA 112
895#define KVM_CAP_S390_INJECT_IRQ 113
896#define KVM_CAP_S390_IRQ_STATE 114
897#define KVM_CAP_PPC_HWRNG 115
898#define KVM_CAP_DISABLE_QUIRKS 116
899#define KVM_CAP_X86_SMM 117
900#define KVM_CAP_MULTI_ADDRESS_SPACE 118
901#define KVM_CAP_GUEST_DEBUG_HW_BPS 119
902#define KVM_CAP_GUEST_DEBUG_HW_WPS 120
903#define KVM_CAP_SPLIT_IRQCHIP 121
904#define KVM_CAP_IOEVENTFD_ANY_LENGTH 122
905#define KVM_CAP_HYPERV_SYNIC 123
906#define KVM_CAP_S390_RI 124
907#define KVM_CAP_SPAPR_TCE_64 125
908#define KVM_CAP_ARM_PMU_V3 126
909#define KVM_CAP_VCPU_ATTRIBUTES 127
910#define KVM_CAP_MAX_VCPU_ID 128
911#define KVM_CAP_X2APIC_API 129
912#define KVM_CAP_S390_USER_INSTR0 130
913#define KVM_CAP_MSI_DEVID 131
914#define KVM_CAP_PPC_HTM 132
915#define KVM_CAP_SPAPR_RESIZE_HPT 133
916#define KVM_CAP_PPC_MMU_RADIX 134
917#define KVM_CAP_PPC_MMU_HASH_V3 135
918#define KVM_CAP_IMMEDIATE_EXIT 136
919#define KVM_CAP_MIPS_VZ 137
920#define KVM_CAP_MIPS_TE 138
921#define KVM_CAP_MIPS_64BIT 139
922#define KVM_CAP_S390_GS 140
923#define KVM_CAP_S390_AIS 141
924#define KVM_CAP_SPAPR_TCE_VFIO 142
925#define KVM_CAP_X86_GUEST_MWAIT 143
926#define KVM_CAP_ARM_USER_IRQ 144
927#define KVM_CAP_S390_CMMA_MIGRATION 145
928#define KVM_CAP_PPC_FWNMI 146
929#define KVM_CAP_PPC_SMT_POSSIBLE 147
930#define KVM_CAP_HYPERV_SYNIC2 148
931#define KVM_CAP_HYPERV_VP_INDEX 149
932
933#ifdef KVM_CAP_IRQ_ROUTING
934
935struct kvm_irq_routing_irqchip {
936 __u32 irqchip;
937 __u32 pin;
938};
939
940struct kvm_irq_routing_msi {
941 __u32 address_lo;
942 __u32 address_hi;
943 __u32 data;
944 union {
945 __u32 pad;
946 __u32 devid;
947 };
948};
949
950struct kvm_irq_routing_s390_adapter {
951 __u64 ind_addr;
952 __u64 summary_addr;
953 __u64 ind_offset;
954 __u32 summary_offset;
955 __u32 adapter_id;
956};
957
958struct kvm_irq_routing_hv_sint {
959 __u32 vcpu;
960 __u32 sint;
961};
962
963/* gsi routing entry types */
964#define KVM_IRQ_ROUTING_IRQCHIP 1
965#define KVM_IRQ_ROUTING_MSI 2
966#define KVM_IRQ_ROUTING_S390_ADAPTER 3
967#define KVM_IRQ_ROUTING_HV_SINT 4
968
969struct kvm_irq_routing_entry {
970 __u32 gsi;
971 __u32 type;
972 __u32 flags;
973 __u32 pad;
974 union {
975 struct kvm_irq_routing_irqchip irqchip;
976 struct kvm_irq_routing_msi msi;
977 struct kvm_irq_routing_s390_adapter adapter;
978 struct kvm_irq_routing_hv_sint hv_sint;
979 __u32 pad[8];
980 } u;
981};
982
983struct kvm_irq_routing {
984 __u32 nr;
985 __u32 flags;
986 struct kvm_irq_routing_entry entries[0];
987};
988
989#endif
990
991#ifdef KVM_CAP_MCE
992/* x86 MCE */
993struct kvm_x86_mce {
994 __u64 status;
995 __u64 addr;
996 __u64 misc;
997 __u64 mcg_status;
998 __u8 bank;
999 __u8 pad1[7];
1000 __u64 pad2[3];
1001};
1002#endif
1003
1004#ifdef KVM_CAP_XEN_HVM
1005struct kvm_xen_hvm_config {
1006 __u32 flags;
1007 __u32 msr;
1008 __u64 blob_addr_32;
1009 __u64 blob_addr_64;
1010 __u8 blob_size_32;
1011 __u8 blob_size_64;
1012 __u8 pad2[30];
1013};
1014#endif
1015
1016#define KVM_IRQFD_FLAG_DEASSIGN (1 << 0)
1017/*
1018 * Available with KVM_CAP_IRQFD_RESAMPLE
1019 *
1020 * KVM_IRQFD_FLAG_RESAMPLE indicates resamplefd is valid and specifies
1021 * the irqfd to operate in resampling mode for level triggered interrupt
1022 * emulation. See Documentation/virtual/kvm/api.txt.
1023 */
1024#define KVM_IRQFD_FLAG_RESAMPLE (1 << 1)
1025
1026struct kvm_irqfd {
1027 __u32 fd;
1028 __u32 gsi;
1029 __u32 flags;
1030 __u32 resamplefd;
1031 __u8 pad[16];
1032};
1033
1034/* For KVM_CAP_ADJUST_CLOCK */
1035
1036/* Do not use 1, KVM_CHECK_EXTENSION returned it before we had flags. */
1037#define KVM_CLOCK_TSC_STABLE 2
1038
1039struct kvm_clock_data {
1040 __u64 clock;
1041 __u32 flags;
1042 __u32 pad[9];
1043};
1044
1045/* For KVM_CAP_SW_TLB */
1046
1047#define KVM_MMU_FSL_BOOKE_NOHV 0
1048#define KVM_MMU_FSL_BOOKE_HV 1
1049
1050struct kvm_config_tlb {
1051 __u64 params;
1052 __u64 array;
1053 __u32 mmu_type;
1054 __u32 array_len;
1055};
1056
1057struct kvm_dirty_tlb {
1058 __u64 bitmap;
1059 __u32 num_dirty;
1060};
1061
1062/* Available with KVM_CAP_ONE_REG */
1063
1064#define KVM_REG_ARCH_MASK 0xff00000000000000ULL
1065#define KVM_REG_GENERIC 0x0000000000000000ULL
1066
1067/*
1068 * Architecture specific registers are to be defined in arch headers and
1069 * ORed with the arch identifier.
1070 */
1071#define KVM_REG_PPC 0x1000000000000000ULL
1072#define KVM_REG_X86 0x2000000000000000ULL
1073#define KVM_REG_IA64 0x3000000000000000ULL
1074#define KVM_REG_ARM 0x4000000000000000ULL
1075#define KVM_REG_S390 0x5000000000000000ULL
1076#define KVM_REG_ARM64 0x6000000000000000ULL
1077#define KVM_REG_MIPS 0x7000000000000000ULL
1078
1079#define KVM_REG_SIZE_SHIFT 52
1080#define KVM_REG_SIZE_MASK 0x00f0000000000000ULL
1081#define KVM_REG_SIZE_U8 0x0000000000000000ULL
1082#define KVM_REG_SIZE_U16 0x0010000000000000ULL
1083#define KVM_REG_SIZE_U32 0x0020000000000000ULL
1084#define KVM_REG_SIZE_U64 0x0030000000000000ULL
1085#define KVM_REG_SIZE_U128 0x0040000000000000ULL
1086#define KVM_REG_SIZE_U256 0x0050000000000000ULL
1087#define KVM_REG_SIZE_U512 0x0060000000000000ULL
1088#define KVM_REG_SIZE_U1024 0x0070000000000000ULL
1089
1090struct kvm_reg_list {
1091 __u64 n; /* number of regs */
1092 __u64 reg[0];
1093};
1094
1095struct kvm_one_reg {
1096 __u64 id;
1097 __u64 addr;
1098};
1099
1100#define KVM_MSI_VALID_DEVID (1U << 0)
1101struct kvm_msi {
1102 __u32 address_lo;
1103 __u32 address_hi;
1104 __u32 data;
1105 __u32 flags;
1106 __u32 devid;
1107 __u8 pad[12];
1108};
1109
1110struct kvm_arm_device_addr {
1111 __u64 id;
1112 __u64 addr;
1113};
1114
1115/*
1116 * Device control API, available with KVM_CAP_DEVICE_CTRL
1117 */
1118#define KVM_CREATE_DEVICE_TEST 1
1119
1120struct kvm_create_device {
1121 __u32 type; /* in: KVM_DEV_TYPE_xxx */
1122 __u32 fd; /* out: device handle */
1123 __u32 flags; /* in: KVM_CREATE_DEVICE_xxx */
1124};
1125
1126struct kvm_device_attr {
1127 __u32 flags; /* no flags currently defined */
1128 __u32 group; /* device-defined */
1129 __u64 attr; /* group-defined */
1130 __u64 addr; /* userspace address of attr data */
1131};
1132
1133#define KVM_DEV_VFIO_GROUP 1
1134#define KVM_DEV_VFIO_GROUP_ADD 1
1135#define KVM_DEV_VFIO_GROUP_DEL 2
1136#define KVM_DEV_VFIO_GROUP_SET_SPAPR_TCE 3
1137
1138enum kvm_device_type {
1139 KVM_DEV_TYPE_FSL_MPIC_20 = 1,
1140#define KVM_DEV_TYPE_FSL_MPIC_20 KVM_DEV_TYPE_FSL_MPIC_20
1141 KVM_DEV_TYPE_FSL_MPIC_42,
1142#define KVM_DEV_TYPE_FSL_MPIC_42 KVM_DEV_TYPE_FSL_MPIC_42
1143 KVM_DEV_TYPE_XICS,
1144#define KVM_DEV_TYPE_XICS KVM_DEV_TYPE_XICS
1145 KVM_DEV_TYPE_VFIO,
1146#define KVM_DEV_TYPE_VFIO KVM_DEV_TYPE_VFIO
1147 KVM_DEV_TYPE_ARM_VGIC_V2,
1148#define KVM_DEV_TYPE_ARM_VGIC_V2 KVM_DEV_TYPE_ARM_VGIC_V2
1149 KVM_DEV_TYPE_FLIC,
1150#define KVM_DEV_TYPE_FLIC KVM_DEV_TYPE_FLIC
1151 KVM_DEV_TYPE_ARM_VGIC_V3,
1152#define KVM_DEV_TYPE_ARM_VGIC_V3 KVM_DEV_TYPE_ARM_VGIC_V3
1153 KVM_DEV_TYPE_ARM_VGIC_ITS,
1154#define KVM_DEV_TYPE_ARM_VGIC_ITS KVM_DEV_TYPE_ARM_VGIC_ITS
1155 KVM_DEV_TYPE_MAX,
1156};
1157
1158struct kvm_vfio_spapr_tce {
1159 __s32 groupfd;
1160 __s32 tablefd;
1161};
1162
1163/*
1164 * ioctls for VM fds
1165 */
1166#define KVM_SET_MEMORY_REGION _IOW(KVMIO, 0x40, struct kvm_memory_region)
1167/*
1168 * KVM_CREATE_VCPU receives as a parameter the vcpu slot, and returns
1169 * a vcpu fd.
1170 */
1171#define KVM_CREATE_VCPU _IO(KVMIO, 0x41)
1172#define KVM_GET_DIRTY_LOG _IOW(KVMIO, 0x42, struct kvm_dirty_log)
1173/* KVM_SET_MEMORY_ALIAS is obsolete: */
1174#define KVM_SET_MEMORY_ALIAS _IOW(KVMIO, 0x43, struct kvm_memory_alias)
1175#define KVM_SET_NR_MMU_PAGES _IO(KVMIO, 0x44)
1176#define KVM_GET_NR_MMU_PAGES _IO(KVMIO, 0x45)
1177#define KVM_SET_USER_MEMORY_REGION _IOW(KVMIO, 0x46, \
1178 struct kvm_userspace_memory_region)
1179#define KVM_SET_TSS_ADDR _IO(KVMIO, 0x47)
1180#define KVM_SET_IDENTITY_MAP_ADDR _IOW(KVMIO, 0x48, __u64)
1181
1182/* enable ucontrol for s390 */
1183struct kvm_s390_ucas_mapping {
1184 __u64 user_addr;
1185 __u64 vcpu_addr;
1186 __u64 length;
1187};
1188#define KVM_S390_UCAS_MAP _IOW(KVMIO, 0x50, struct kvm_s390_ucas_mapping)
1189#define KVM_S390_UCAS_UNMAP _IOW(KVMIO, 0x51, struct kvm_s390_ucas_mapping)
1190#define KVM_S390_VCPU_FAULT _IOW(KVMIO, 0x52, unsigned long)
1191
1192/* Device model IOC */
1193#define KVM_CREATE_IRQCHIP _IO(KVMIO, 0x60)
1194#define KVM_IRQ_LINE _IOW(KVMIO, 0x61, struct kvm_irq_level)
1195#define KVM_GET_IRQCHIP _IOWR(KVMIO, 0x62, struct kvm_irqchip)
1196#define KVM_SET_IRQCHIP _IOR(KVMIO, 0x63, struct kvm_irqchip)
1197#define KVM_CREATE_PIT _IO(KVMIO, 0x64)
1198#define KVM_GET_PIT _IOWR(KVMIO, 0x65, struct kvm_pit_state)
1199#define KVM_SET_PIT _IOR(KVMIO, 0x66, struct kvm_pit_state)
1200#define KVM_IRQ_LINE_STATUS _IOWR(KVMIO, 0x67, struct kvm_irq_level)
1201#define KVM_REGISTER_COALESCED_MMIO \
1202 _IOW(KVMIO, 0x67, struct kvm_coalesced_mmio_zone)
1203#define KVM_UNREGISTER_COALESCED_MMIO \
1204 _IOW(KVMIO, 0x68, struct kvm_coalesced_mmio_zone)
1205#define KVM_ASSIGN_PCI_DEVICE _IOR(KVMIO, 0x69, \
1206 struct kvm_assigned_pci_dev)
1207#define KVM_SET_GSI_ROUTING _IOW(KVMIO, 0x6a, struct kvm_irq_routing)
1208/* deprecated, replaced by KVM_ASSIGN_DEV_IRQ */
1209#define KVM_ASSIGN_IRQ __KVM_DEPRECATED_VM_R_0x70
1210#define KVM_ASSIGN_DEV_IRQ _IOW(KVMIO, 0x70, struct kvm_assigned_irq)
1211#define KVM_REINJECT_CONTROL _IO(KVMIO, 0x71)
1212#define KVM_DEASSIGN_PCI_DEVICE _IOW(KVMIO, 0x72, \
1213 struct kvm_assigned_pci_dev)
1214#define KVM_ASSIGN_SET_MSIX_NR _IOW(KVMIO, 0x73, \
1215 struct kvm_assigned_msix_nr)
1216#define KVM_ASSIGN_SET_MSIX_ENTRY _IOW(KVMIO, 0x74, \
1217 struct kvm_assigned_msix_entry)
1218#define KVM_DEASSIGN_DEV_IRQ _IOW(KVMIO, 0x75, struct kvm_assigned_irq)
1219#define KVM_IRQFD _IOW(KVMIO, 0x76, struct kvm_irqfd)
1220#define KVM_CREATE_PIT2 _IOW(KVMIO, 0x77, struct kvm_pit_config)
1221#define KVM_SET_BOOT_CPU_ID _IO(KVMIO, 0x78)
1222#define KVM_IOEVENTFD _IOW(KVMIO, 0x79, struct kvm_ioeventfd)
1223#define KVM_XEN_HVM_CONFIG _IOW(KVMIO, 0x7a, struct kvm_xen_hvm_config)
1224#define KVM_SET_CLOCK _IOW(KVMIO, 0x7b, struct kvm_clock_data)
1225#define KVM_GET_CLOCK _IOR(KVMIO, 0x7c, struct kvm_clock_data)
1226/* Available with KVM_CAP_PIT_STATE2 */
1227#define KVM_GET_PIT2 _IOR(KVMIO, 0x9f, struct kvm_pit_state2)
1228#define KVM_SET_PIT2 _IOW(KVMIO, 0xa0, struct kvm_pit_state2)
1229/* Available with KVM_CAP_PPC_GET_PVINFO */
1230#define KVM_PPC_GET_PVINFO _IOW(KVMIO, 0xa1, struct kvm_ppc_pvinfo)
1231/* Available with KVM_CAP_TSC_CONTROL */
1232#define KVM_SET_TSC_KHZ _IO(KVMIO, 0xa2)
1233#define KVM_GET_TSC_KHZ _IO(KVMIO, 0xa3)
1234/* Available with KVM_CAP_PCI_2_3 */
1235#define KVM_ASSIGN_SET_INTX_MASK _IOW(KVMIO, 0xa4, \
1236 struct kvm_assigned_pci_dev)
1237/* Available with KVM_CAP_SIGNAL_MSI */
1238#define KVM_SIGNAL_MSI _IOW(KVMIO, 0xa5, struct kvm_msi)
1239/* Available with KVM_CAP_PPC_GET_SMMU_INFO */
1240#define KVM_PPC_GET_SMMU_INFO _IOR(KVMIO, 0xa6, struct kvm_ppc_smmu_info)
1241/* Available with KVM_CAP_PPC_ALLOC_HTAB */
1242#define KVM_PPC_ALLOCATE_HTAB _IOWR(KVMIO, 0xa7, __u32)
1243#define KVM_CREATE_SPAPR_TCE _IOW(KVMIO, 0xa8, struct kvm_create_spapr_tce)
1244#define KVM_CREATE_SPAPR_TCE_64 _IOW(KVMIO, 0xa8, \
1245 struct kvm_create_spapr_tce_64)
1246/* Available with KVM_CAP_RMA */
1247#define KVM_ALLOCATE_RMA _IOR(KVMIO, 0xa9, struct kvm_allocate_rma)
1248/* Available with KVM_CAP_PPC_HTAB_FD */
1249#define KVM_PPC_GET_HTAB_FD _IOW(KVMIO, 0xaa, struct kvm_get_htab_fd)
1250/* Available with KVM_CAP_ARM_SET_DEVICE_ADDR */
1251#define KVM_ARM_SET_DEVICE_ADDR _IOW(KVMIO, 0xab, struct kvm_arm_device_addr)
1252/* Available with KVM_CAP_PPC_RTAS */
1253#define KVM_PPC_RTAS_DEFINE_TOKEN _IOW(KVMIO, 0xac, struct kvm_rtas_token_args)
1254/* Available with KVM_CAP_SPAPR_RESIZE_HPT */
1255#define KVM_PPC_RESIZE_HPT_PREPARE _IOR(KVMIO, 0xad, struct kvm_ppc_resize_hpt)
1256#define KVM_PPC_RESIZE_HPT_COMMIT _IOR(KVMIO, 0xae, struct kvm_ppc_resize_hpt)
1257/* Available with KVM_CAP_PPC_RADIX_MMU or KVM_CAP_PPC_HASH_MMU_V3 */
1258#define KVM_PPC_CONFIGURE_V3_MMU _IOW(KVMIO, 0xaf, struct kvm_ppc_mmuv3_cfg)
1259/* Available with KVM_CAP_PPC_RADIX_MMU */
1260#define KVM_PPC_GET_RMMU_INFO _IOW(KVMIO, 0xb0, struct kvm_ppc_rmmu_info)
1261
1262/* ioctl for vm fd */
1263#define KVM_CREATE_DEVICE _IOWR(KVMIO, 0xe0, struct kvm_create_device)
1264
1265/* ioctls for fds returned by KVM_CREATE_DEVICE */
1266#define KVM_SET_DEVICE_ATTR _IOW(KVMIO, 0xe1, struct kvm_device_attr)
1267#define KVM_GET_DEVICE_ATTR _IOW(KVMIO, 0xe2, struct kvm_device_attr)
1268#define KVM_HAS_DEVICE_ATTR _IOW(KVMIO, 0xe3, struct kvm_device_attr)
1269
1270/*
1271 * ioctls for vcpu fds
1272 */
1273#define KVM_RUN _IO(KVMIO, 0x80)
1274#define KVM_GET_REGS _IOR(KVMIO, 0x81, struct kvm_regs)
1275#define KVM_SET_REGS _IOW(KVMIO, 0x82, struct kvm_regs)
1276#define KVM_GET_SREGS _IOR(KVMIO, 0x83, struct kvm_sregs)
1277#define KVM_SET_SREGS _IOW(KVMIO, 0x84, struct kvm_sregs)
1278#define KVM_TRANSLATE _IOWR(KVMIO, 0x85, struct kvm_translation)
1279#define KVM_INTERRUPT _IOW(KVMIO, 0x86, struct kvm_interrupt)
1280/* KVM_DEBUG_GUEST is no longer supported, use KVM_SET_GUEST_DEBUG instead */
1281#define KVM_DEBUG_GUEST __KVM_DEPRECATED_VCPU_W_0x87
1282#define KVM_GET_MSRS _IOWR(KVMIO, 0x88, struct kvm_msrs)
1283#define KVM_SET_MSRS _IOW(KVMIO, 0x89, struct kvm_msrs)
1284#define KVM_SET_CPUID _IOW(KVMIO, 0x8a, struct kvm_cpuid)
1285#define KVM_SET_SIGNAL_MASK _IOW(KVMIO, 0x8b, struct kvm_signal_mask)
1286#define KVM_GET_FPU _IOR(KVMIO, 0x8c, struct kvm_fpu)
1287#define KVM_SET_FPU _IOW(KVMIO, 0x8d, struct kvm_fpu)
1288#define KVM_GET_LAPIC _IOR(KVMIO, 0x8e, struct kvm_lapic_state)
1289#define KVM_SET_LAPIC _IOW(KVMIO, 0x8f, struct kvm_lapic_state)
1290#define KVM_SET_CPUID2 _IOW(KVMIO, 0x90, struct kvm_cpuid2)
1291#define KVM_GET_CPUID2 _IOWR(KVMIO, 0x91, struct kvm_cpuid2)
1292/* Available with KVM_CAP_VAPIC */
1293#define KVM_TPR_ACCESS_REPORTING _IOWR(KVMIO, 0x92, struct kvm_tpr_access_ctl)
1294/* Available with KVM_CAP_VAPIC */
1295#define KVM_SET_VAPIC_ADDR _IOW(KVMIO, 0x93, struct kvm_vapic_addr)
1296/* valid for virtual machine (for floating interrupt)_and_ vcpu */
1297#define KVM_S390_INTERRUPT _IOW(KVMIO, 0x94, struct kvm_s390_interrupt)
1298/* store status for s390 */
1299#define KVM_S390_STORE_STATUS_NOADDR (-1ul)
1300#define KVM_S390_STORE_STATUS_PREFIXED (-2ul)
1301#define KVM_S390_STORE_STATUS _IOW(KVMIO, 0x95, unsigned long)
1302/* initial ipl psw for s390 */
1303#define KVM_S390_SET_INITIAL_PSW _IOW(KVMIO, 0x96, struct kvm_s390_psw)
1304/* initial reset for s390 */
1305#define KVM_S390_INITIAL_RESET _IO(KVMIO, 0x97)
1306#define KVM_GET_MP_STATE _IOR(KVMIO, 0x98, struct kvm_mp_state)
1307#define KVM_SET_MP_STATE _IOW(KVMIO, 0x99, struct kvm_mp_state)
1308/* Available with KVM_CAP_USER_NMI */
1309#define KVM_NMI _IO(KVMIO, 0x9a)
1310/* Available with KVM_CAP_SET_GUEST_DEBUG */
1311#define KVM_SET_GUEST_DEBUG _IOW(KVMIO, 0x9b, struct kvm_guest_debug)
1312/* MCE for x86 */
1313#define KVM_X86_SETUP_MCE _IOW(KVMIO, 0x9c, __u64)
1314#define KVM_X86_GET_MCE_CAP_SUPPORTED _IOR(KVMIO, 0x9d, __u64)
1315#define KVM_X86_SET_MCE _IOW(KVMIO, 0x9e, struct kvm_x86_mce)
1316/* Available with KVM_CAP_VCPU_EVENTS */
1317#define KVM_GET_VCPU_EVENTS _IOR(KVMIO, 0x9f, struct kvm_vcpu_events)
1318#define KVM_SET_VCPU_EVENTS _IOW(KVMIO, 0xa0, struct kvm_vcpu_events)
1319/* Available with KVM_CAP_DEBUGREGS */
1320#define KVM_GET_DEBUGREGS _IOR(KVMIO, 0xa1, struct kvm_debugregs)
1321#define KVM_SET_DEBUGREGS _IOW(KVMIO, 0xa2, struct kvm_debugregs)
1322/*
1323 * vcpu version available with KVM_ENABLE_CAP
1324 * vm version available with KVM_CAP_ENABLE_CAP_VM
1325 */
1326#define KVM_ENABLE_CAP _IOW(KVMIO, 0xa3, struct kvm_enable_cap)
1327/* Available with KVM_CAP_XSAVE */
1328#define KVM_GET_XSAVE _IOR(KVMIO, 0xa4, struct kvm_xsave)
1329#define KVM_SET_XSAVE _IOW(KVMIO, 0xa5, struct kvm_xsave)
1330/* Available with KVM_CAP_XCRS */
1331#define KVM_GET_XCRS _IOR(KVMIO, 0xa6, struct kvm_xcrs)
1332#define KVM_SET_XCRS _IOW(KVMIO, 0xa7, struct kvm_xcrs)
1333/* Available with KVM_CAP_SW_TLB */
1334#define KVM_DIRTY_TLB _IOW(KVMIO, 0xaa, struct kvm_dirty_tlb)
1335/* Available with KVM_CAP_ONE_REG */
1336#define KVM_GET_ONE_REG _IOW(KVMIO, 0xab, struct kvm_one_reg)
1337#define KVM_SET_ONE_REG _IOW(KVMIO, 0xac, struct kvm_one_reg)
1338/* VM is being stopped by host */
1339#define KVM_KVMCLOCK_CTRL _IO(KVMIO, 0xad)
1340#define KVM_ARM_VCPU_INIT _IOW(KVMIO, 0xae, struct kvm_vcpu_init)
1341#define KVM_ARM_PREFERRED_TARGET _IOR(KVMIO, 0xaf, struct kvm_vcpu_init)
1342#define KVM_GET_REG_LIST _IOWR(KVMIO, 0xb0, struct kvm_reg_list)
1343/* Available with KVM_CAP_S390_MEM_OP */
1344#define KVM_S390_MEM_OP _IOW(KVMIO, 0xb1, struct kvm_s390_mem_op)
1345/* Available with KVM_CAP_S390_SKEYS */
1346#define KVM_S390_GET_SKEYS _IOW(KVMIO, 0xb2, struct kvm_s390_skeys)
1347#define KVM_S390_SET_SKEYS _IOW(KVMIO, 0xb3, struct kvm_s390_skeys)
1348/* Available with KVM_CAP_S390_INJECT_IRQ */
1349#define KVM_S390_IRQ _IOW(KVMIO, 0xb4, struct kvm_s390_irq)
1350/* Available with KVM_CAP_S390_IRQ_STATE */
1351#define KVM_S390_SET_IRQ_STATE _IOW(KVMIO, 0xb5, struct kvm_s390_irq_state)
1352#define KVM_S390_GET_IRQ_STATE _IOW(KVMIO, 0xb6, struct kvm_s390_irq_state)
1353/* Available with KVM_CAP_X86_SMM */
1354#define KVM_SMI _IO(KVMIO, 0xb7)
1355/* Available with KVM_CAP_S390_CMMA_MIGRATION */
1356#define KVM_S390_GET_CMMA_BITS _IOWR(KVMIO, 0xb8, struct kvm_s390_cmma_log)
1357#define KVM_S390_SET_CMMA_BITS _IOW(KVMIO, 0xb9, struct kvm_s390_cmma_log)
1358
1359#define KVM_DEV_ASSIGN_ENABLE_IOMMU (1 << 0)
1360#define KVM_DEV_ASSIGN_PCI_2_3 (1 << 1)
1361#define KVM_DEV_ASSIGN_MASK_INTX (1 << 2)
1362
1363struct kvm_assigned_pci_dev {
1364 __u32 assigned_dev_id;
1365 __u32 busnr;
1366 __u32 devfn;
1367 __u32 flags;
1368 __u32 segnr;
1369 union {
1370 __u32 reserved[11];
1371 };
1372};
1373
1374#define KVM_DEV_IRQ_HOST_INTX (1 << 0)
1375#define KVM_DEV_IRQ_HOST_MSI (1 << 1)
1376#define KVM_DEV_IRQ_HOST_MSIX (1 << 2)
1377
1378#define KVM_DEV_IRQ_GUEST_INTX (1 << 8)
1379#define KVM_DEV_IRQ_GUEST_MSI (1 << 9)
1380#define KVM_DEV_IRQ_GUEST_MSIX (1 << 10)
1381
1382#define KVM_DEV_IRQ_HOST_MASK 0x00ff
1383#define KVM_DEV_IRQ_GUEST_MASK 0xff00
1384
1385struct kvm_assigned_irq {
1386 __u32 assigned_dev_id;
1387 __u32 host_irq; /* ignored (legacy field) */
1388 __u32 guest_irq;
1389 __u32 flags;
1390 union {
1391 __u32 reserved[12];
1392 };
1393};
1394
1395struct kvm_assigned_msix_nr {
1396 __u32 assigned_dev_id;
1397 __u16 entry_nr;
1398 __u16 padding;
1399};
1400
1401#define KVM_MAX_MSIX_PER_DEV 256
1402struct kvm_assigned_msix_entry {
1403 __u32 assigned_dev_id;
1404 __u32 gsi;
1405 __u16 entry; /* The index of entry in the MSI-X table */
1406 __u16 padding[3];
1407};
1408
1409#define KVM_X2APIC_API_USE_32BIT_IDS (1ULL << 0)
1410#define KVM_X2APIC_API_DISABLE_BROADCAST_QUIRK (1ULL << 1)
1411
1412/* Available with KVM_CAP_ARM_USER_IRQ */
1413
1414/* Bits for run->s.regs.device_irq_level */
1415#define KVM_ARM_DEV_EL1_VTIMER (1 << 0)
1416#define KVM_ARM_DEV_EL1_PTIMER (1 << 1)
1417#define KVM_ARM_DEV_PMU (1 << 2)
1418
1419#endif /* __LINUX_KVM_H */
Linux 6.x block layer and io_uring tree(s)