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