Linux kernel mirror (for testing)
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1/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
2#ifndef __LINUX_KVM_H
3#define __LINUX_KVM_H
4
5/*
6 * Userspace interface for /dev/kvm - kernel based virtual machine
7 *
8 * Note: you must update KVM_API_VERSION if you change this interface.
9 */
10
11#include <linux/types.h>
12#include <linux/compiler.h>
13#include <linux/ioctl.h>
14#include <asm/kvm.h>
15
16#define KVM_API_VERSION 12
17
18/* *** Deprecated interfaces *** */
19
20#define KVM_TRC_SHIFT 16
21
22#define KVM_TRC_ENTRYEXIT (1 << KVM_TRC_SHIFT)
23#define KVM_TRC_HANDLER (1 << (KVM_TRC_SHIFT + 1))
24
25#define KVM_TRC_VMENTRY (KVM_TRC_ENTRYEXIT + 0x01)
26#define KVM_TRC_VMEXIT (KVM_TRC_ENTRYEXIT + 0x02)
27#define KVM_TRC_PAGE_FAULT (KVM_TRC_HANDLER + 0x01)
28
29#define KVM_TRC_HEAD_SIZE 12
30#define KVM_TRC_CYCLE_SIZE 8
31#define KVM_TRC_EXTRA_MAX 7
32
33#define KVM_TRC_INJ_VIRQ (KVM_TRC_HANDLER + 0x02)
34#define KVM_TRC_REDELIVER_EVT (KVM_TRC_HANDLER + 0x03)
35#define KVM_TRC_PEND_INTR (KVM_TRC_HANDLER + 0x04)
36#define KVM_TRC_IO_READ (KVM_TRC_HANDLER + 0x05)
37#define KVM_TRC_IO_WRITE (KVM_TRC_HANDLER + 0x06)
38#define KVM_TRC_CR_READ (KVM_TRC_HANDLER + 0x07)
39#define KVM_TRC_CR_WRITE (KVM_TRC_HANDLER + 0x08)
40#define KVM_TRC_DR_READ (KVM_TRC_HANDLER + 0x09)
41#define KVM_TRC_DR_WRITE (KVM_TRC_HANDLER + 0x0A)
42#define KVM_TRC_MSR_READ (KVM_TRC_HANDLER + 0x0B)
43#define KVM_TRC_MSR_WRITE (KVM_TRC_HANDLER + 0x0C)
44#define KVM_TRC_CPUID (KVM_TRC_HANDLER + 0x0D)
45#define KVM_TRC_INTR (KVM_TRC_HANDLER + 0x0E)
46#define KVM_TRC_NMI (KVM_TRC_HANDLER + 0x0F)
47#define KVM_TRC_VMMCALL (KVM_TRC_HANDLER + 0x10)
48#define KVM_TRC_HLT (KVM_TRC_HANDLER + 0x11)
49#define KVM_TRC_CLTS (KVM_TRC_HANDLER + 0x12)
50#define KVM_TRC_LMSW (KVM_TRC_HANDLER + 0x13)
51#define KVM_TRC_APIC_ACCESS (KVM_TRC_HANDLER + 0x14)
52#define KVM_TRC_TDP_FAULT (KVM_TRC_HANDLER + 0x15)
53#define KVM_TRC_GTLB_WRITE (KVM_TRC_HANDLER + 0x16)
54#define KVM_TRC_STLB_WRITE (KVM_TRC_HANDLER + 0x17)
55#define KVM_TRC_STLB_INVAL (KVM_TRC_HANDLER + 0x18)
56#define KVM_TRC_PPC_INSTR (KVM_TRC_HANDLER + 0x19)
57
58struct kvm_user_trace_setup {
59 __u32 buf_size;
60 __u32 buf_nr;
61};
62
63#define __KVM_DEPRECATED_MAIN_W_0x06 \
64 _IOW(KVMIO, 0x06, struct kvm_user_trace_setup)
65#define __KVM_DEPRECATED_MAIN_0x07 _IO(KVMIO, 0x07)
66#define __KVM_DEPRECATED_MAIN_0x08 _IO(KVMIO, 0x08)
67
68#define __KVM_DEPRECATED_VM_R_0x70 _IOR(KVMIO, 0x70, struct kvm_assigned_irq)
69
70struct kvm_breakpoint {
71 __u32 enabled;
72 __u32 padding;
73 __u64 address;
74};
75
76struct kvm_debug_guest {
77 __u32 enabled;
78 __u32 pad;
79 struct kvm_breakpoint breakpoints[4];
80 __u32 singlestep;
81};
82
83#define __KVM_DEPRECATED_VCPU_W_0x87 _IOW(KVMIO, 0x87, struct kvm_debug_guest)
84
85/* *** End of deprecated interfaces *** */
86
87
88/* for KVM_CREATE_MEMORY_REGION */
89struct kvm_memory_region {
90 __u32 slot;
91 __u32 flags;
92 __u64 guest_phys_addr;
93 __u64 memory_size; /* bytes */
94};
95
96/* for KVM_SET_USER_MEMORY_REGION */
97struct kvm_userspace_memory_region {
98 __u32 slot;
99 __u32 flags;
100 __u64 guest_phys_addr;
101 __u64 memory_size; /* bytes */
102 __u64 userspace_addr; /* start of the userspace allocated memory */
103};
104
105/*
106 * The bit 0 ~ bit 15 of kvm_memory_region::flags are visible for userspace,
107 * other bits are reserved for kvm internal use which are defined in
108 * include/linux/kvm_host.h.
109 */
110#define KVM_MEM_LOG_DIRTY_PAGES (1UL << 0)
111#define KVM_MEM_READONLY (1UL << 1)
112
113/* for KVM_IRQ_LINE */
114struct kvm_irq_level {
115 /*
116 * ACPI gsi notion of irq.
117 * For IA-64 (APIC model) IOAPIC0: irq 0-23; IOAPIC1: irq 24-47..
118 * For X86 (standard AT mode) PIC0/1: irq 0-15. IOAPIC0: 0-23..
119 * For ARM: See Documentation/virt/kvm/api.rst
120 */
121 union {
122 __u32 irq;
123 __s32 status;
124 };
125 __u32 level;
126};
127
128
129struct kvm_irqchip {
130 __u32 chip_id;
131 __u32 pad;
132 union {
133 char dummy[512]; /* reserving space */
134#ifdef __KVM_HAVE_PIT
135 struct kvm_pic_state pic;
136#endif
137#ifdef __KVM_HAVE_IOAPIC
138 struct kvm_ioapic_state ioapic;
139#endif
140 } chip;
141};
142
143/* for KVM_CREATE_PIT2 */
144struct kvm_pit_config {
145 __u32 flags;
146 __u32 pad[15];
147};
148
149#define KVM_PIT_SPEAKER_DUMMY 1
150
151struct kvm_s390_skeys {
152 __u64 start_gfn;
153 __u64 count;
154 __u64 skeydata_addr;
155 __u32 flags;
156 __u32 reserved[9];
157};
158
159#define KVM_S390_CMMA_PEEK (1 << 0)
160
161/**
162 * kvm_s390_cmma_log - Used for CMMA migration.
163 *
164 * Used both for input and output.
165 *
166 * @start_gfn: Guest page number to start from.
167 * @count: Size of the result buffer.
168 * @flags: Control operation mode via KVM_S390_CMMA_* flags
169 * @remaining: Used with KVM_S390_GET_CMMA_BITS. Indicates how many dirty
170 * pages are still remaining.
171 * @mask: Used with KVM_S390_SET_CMMA_BITS. Bitmap of bits to actually set
172 * in the PGSTE.
173 * @values: Pointer to the values buffer.
174 *
175 * Used in KVM_S390_{G,S}ET_CMMA_BITS ioctls.
176 */
177struct kvm_s390_cmma_log {
178 __u64 start_gfn;
179 __u32 count;
180 __u32 flags;
181 union {
182 __u64 remaining;
183 __u64 mask;
184 };
185 __u64 values;
186};
187
188struct kvm_hyperv_exit {
189#define KVM_EXIT_HYPERV_SYNIC 1
190#define KVM_EXIT_HYPERV_HCALL 2
191#define KVM_EXIT_HYPERV_SYNDBG 3
192 __u32 type;
193 __u32 pad1;
194 union {
195 struct {
196 __u32 msr;
197 __u32 pad2;
198 __u64 control;
199 __u64 evt_page;
200 __u64 msg_page;
201 } synic;
202 struct {
203 __u64 input;
204 __u64 result;
205 __u64 params[2];
206 } hcall;
207 struct {
208 __u32 msr;
209 __u32 pad2;
210 __u64 control;
211 __u64 status;
212 __u64 send_page;
213 __u64 recv_page;
214 __u64 pending_page;
215 } syndbg;
216 } u;
217};
218
219#define KVM_S390_GET_SKEYS_NONE 1
220#define KVM_S390_SKEYS_MAX 1048576
221
222#define KVM_EXIT_UNKNOWN 0
223#define KVM_EXIT_EXCEPTION 1
224#define KVM_EXIT_IO 2
225#define KVM_EXIT_HYPERCALL 3
226#define KVM_EXIT_DEBUG 4
227#define KVM_EXIT_HLT 5
228#define KVM_EXIT_MMIO 6
229#define KVM_EXIT_IRQ_WINDOW_OPEN 7
230#define KVM_EXIT_SHUTDOWN 8
231#define KVM_EXIT_FAIL_ENTRY 9
232#define KVM_EXIT_INTR 10
233#define KVM_EXIT_SET_TPR 11
234#define KVM_EXIT_TPR_ACCESS 12
235#define KVM_EXIT_S390_SIEIC 13
236#define KVM_EXIT_S390_RESET 14
237#define KVM_EXIT_DCR 15 /* deprecated */
238#define KVM_EXIT_NMI 16
239#define KVM_EXIT_INTERNAL_ERROR 17
240#define KVM_EXIT_OSI 18
241#define KVM_EXIT_PAPR_HCALL 19
242#define KVM_EXIT_S390_UCONTROL 20
243#define KVM_EXIT_WATCHDOG 21
244#define KVM_EXIT_S390_TSCH 22
245#define KVM_EXIT_EPR 23
246#define KVM_EXIT_SYSTEM_EVENT 24
247#define KVM_EXIT_S390_STSI 25
248#define KVM_EXIT_IOAPIC_EOI 26
249#define KVM_EXIT_HYPERV 27
250#define KVM_EXIT_ARM_NISV 28
251#define KVM_EXIT_X86_RDMSR 29
252#define KVM_EXIT_X86_WRMSR 30
253#define KVM_EXIT_DIRTY_RING_FULL 31
254#define KVM_EXIT_AP_RESET_HOLD 32
255
256/* For KVM_EXIT_INTERNAL_ERROR */
257/* Emulate instruction failed. */
258#define KVM_INTERNAL_ERROR_EMULATION 1
259/* Encounter unexpected simultaneous exceptions. */
260#define KVM_INTERNAL_ERROR_SIMUL_EX 2
261/* Encounter unexpected vm-exit due to delivery event. */
262#define KVM_INTERNAL_ERROR_DELIVERY_EV 3
263/* Encounter unexpected vm-exit reason */
264#define KVM_INTERNAL_ERROR_UNEXPECTED_EXIT_REASON 4
265
266/* for KVM_RUN, returned by mmap(vcpu_fd, offset=0) */
267struct kvm_run {
268 /* in */
269 __u8 request_interrupt_window;
270 __u8 immediate_exit;
271 __u8 padding1[6];
272
273 /* out */
274 __u32 exit_reason;
275 __u8 ready_for_interrupt_injection;
276 __u8 if_flag;
277 __u16 flags;
278
279 /* in (pre_kvm_run), out (post_kvm_run) */
280 __u64 cr8;
281 __u64 apic_base;
282
283#ifdef __KVM_S390
284 /* the processor status word for s390 */
285 __u64 psw_mask; /* psw upper half */
286 __u64 psw_addr; /* psw lower half */
287#endif
288 union {
289 /* KVM_EXIT_UNKNOWN */
290 struct {
291 __u64 hardware_exit_reason;
292 } hw;
293 /* KVM_EXIT_FAIL_ENTRY */
294 struct {
295 __u64 hardware_entry_failure_reason;
296 __u32 cpu;
297 } fail_entry;
298 /* KVM_EXIT_EXCEPTION */
299 struct {
300 __u32 exception;
301 __u32 error_code;
302 } ex;
303 /* KVM_EXIT_IO */
304 struct {
305#define KVM_EXIT_IO_IN 0
306#define KVM_EXIT_IO_OUT 1
307 __u8 direction;
308 __u8 size; /* bytes */
309 __u16 port;
310 __u32 count;
311 __u64 data_offset; /* relative to kvm_run start */
312 } io;
313 /* KVM_EXIT_DEBUG */
314 struct {
315 struct kvm_debug_exit_arch arch;
316 } debug;
317 /* KVM_EXIT_MMIO */
318 struct {
319 __u64 phys_addr;
320 __u8 data[8];
321 __u32 len;
322 __u8 is_write;
323 } mmio;
324 /* KVM_EXIT_HYPERCALL */
325 struct {
326 __u64 nr;
327 __u64 args[6];
328 __u64 ret;
329 __u32 longmode;
330 __u32 pad;
331 } hypercall;
332 /* KVM_EXIT_TPR_ACCESS */
333 struct {
334 __u64 rip;
335 __u32 is_write;
336 __u32 pad;
337 } tpr_access;
338 /* KVM_EXIT_S390_SIEIC */
339 struct {
340 __u8 icptcode;
341 __u16 ipa;
342 __u32 ipb;
343 } s390_sieic;
344 /* KVM_EXIT_S390_RESET */
345#define KVM_S390_RESET_POR 1
346#define KVM_S390_RESET_CLEAR 2
347#define KVM_S390_RESET_SUBSYSTEM 4
348#define KVM_S390_RESET_CPU_INIT 8
349#define KVM_S390_RESET_IPL 16
350 __u64 s390_reset_flags;
351 /* KVM_EXIT_S390_UCONTROL */
352 struct {
353 __u64 trans_exc_code;
354 __u32 pgm_code;
355 } s390_ucontrol;
356 /* KVM_EXIT_DCR (deprecated) */
357 struct {
358 __u32 dcrn;
359 __u32 data;
360 __u8 is_write;
361 } dcr;
362 /* KVM_EXIT_INTERNAL_ERROR */
363 struct {
364 __u32 suberror;
365 /* Available with KVM_CAP_INTERNAL_ERROR_DATA: */
366 __u32 ndata;
367 __u64 data[16];
368 } internal;
369 /* KVM_EXIT_OSI */
370 struct {
371 __u64 gprs[32];
372 } osi;
373 /* KVM_EXIT_PAPR_HCALL */
374 struct {
375 __u64 nr;
376 __u64 ret;
377 __u64 args[9];
378 } papr_hcall;
379 /* KVM_EXIT_S390_TSCH */
380 struct {
381 __u16 subchannel_id;
382 __u16 subchannel_nr;
383 __u32 io_int_parm;
384 __u32 io_int_word;
385 __u32 ipb;
386 __u8 dequeued;
387 } s390_tsch;
388 /* KVM_EXIT_EPR */
389 struct {
390 __u32 epr;
391 } epr;
392 /* KVM_EXIT_SYSTEM_EVENT */
393 struct {
394#define KVM_SYSTEM_EVENT_SHUTDOWN 1
395#define KVM_SYSTEM_EVENT_RESET 2
396#define KVM_SYSTEM_EVENT_CRASH 3
397 __u32 type;
398 __u64 flags;
399 } system_event;
400 /* KVM_EXIT_S390_STSI */
401 struct {
402 __u64 addr;
403 __u8 ar;
404 __u8 reserved;
405 __u8 fc;
406 __u8 sel1;
407 __u16 sel2;
408 } s390_stsi;
409 /* KVM_EXIT_IOAPIC_EOI */
410 struct {
411 __u8 vector;
412 } eoi;
413 /* KVM_EXIT_HYPERV */
414 struct kvm_hyperv_exit hyperv;
415 /* KVM_EXIT_ARM_NISV */
416 struct {
417 __u64 esr_iss;
418 __u64 fault_ipa;
419 } arm_nisv;
420 /* KVM_EXIT_X86_RDMSR / KVM_EXIT_X86_WRMSR */
421 struct {
422 __u8 error; /* user -> kernel */
423 __u8 pad[7];
424#define KVM_MSR_EXIT_REASON_INVAL (1 << 0)
425#define KVM_MSR_EXIT_REASON_UNKNOWN (1 << 1)
426#define KVM_MSR_EXIT_REASON_FILTER (1 << 2)
427 __u32 reason; /* kernel -> user */
428 __u32 index; /* kernel -> user */
429 __u64 data; /* kernel <-> user */
430 } msr;
431 /* Fix the size of the union. */
432 char padding[256];
433 };
434
435 /* 2048 is the size of the char array used to bound/pad the size
436 * of the union that holds sync regs.
437 */
438 #define SYNC_REGS_SIZE_BYTES 2048
439 /*
440 * shared registers between kvm and userspace.
441 * kvm_valid_regs specifies the register classes set by the host
442 * kvm_dirty_regs specified the register classes dirtied by userspace
443 * struct kvm_sync_regs is architecture specific, as well as the
444 * bits for kvm_valid_regs and kvm_dirty_regs
445 */
446 __u64 kvm_valid_regs;
447 __u64 kvm_dirty_regs;
448 union {
449 struct kvm_sync_regs regs;
450 char padding[SYNC_REGS_SIZE_BYTES];
451 } s;
452};
453
454/* for KVM_REGISTER_COALESCED_MMIO / KVM_UNREGISTER_COALESCED_MMIO */
455
456struct kvm_coalesced_mmio_zone {
457 __u64 addr;
458 __u32 size;
459 union {
460 __u32 pad;
461 __u32 pio;
462 };
463};
464
465struct kvm_coalesced_mmio {
466 __u64 phys_addr;
467 __u32 len;
468 union {
469 __u32 pad;
470 __u32 pio;
471 };
472 __u8 data[8];
473};
474
475struct kvm_coalesced_mmio_ring {
476 __u32 first, last;
477 struct kvm_coalesced_mmio coalesced_mmio[0];
478};
479
480#define KVM_COALESCED_MMIO_MAX \
481 ((PAGE_SIZE - sizeof(struct kvm_coalesced_mmio_ring)) / \
482 sizeof(struct kvm_coalesced_mmio))
483
484/* for KVM_TRANSLATE */
485struct kvm_translation {
486 /* in */
487 __u64 linear_address;
488
489 /* out */
490 __u64 physical_address;
491 __u8 valid;
492 __u8 writeable;
493 __u8 usermode;
494 __u8 pad[5];
495};
496
497/* for KVM_S390_MEM_OP */
498struct kvm_s390_mem_op {
499 /* in */
500 __u64 gaddr; /* the guest address */
501 __u64 flags; /* flags */
502 __u32 size; /* amount of bytes */
503 __u32 op; /* type of operation */
504 __u64 buf; /* buffer in userspace */
505 union {
506 __u8 ar; /* the access register number */
507 __u32 sida_offset; /* offset into the sida */
508 __u8 reserved[32]; /* should be set to 0 */
509 };
510};
511/* types for kvm_s390_mem_op->op */
512#define KVM_S390_MEMOP_LOGICAL_READ 0
513#define KVM_S390_MEMOP_LOGICAL_WRITE 1
514#define KVM_S390_MEMOP_SIDA_READ 2
515#define KVM_S390_MEMOP_SIDA_WRITE 3
516/* flags for kvm_s390_mem_op->flags */
517#define KVM_S390_MEMOP_F_CHECK_ONLY (1ULL << 0)
518#define KVM_S390_MEMOP_F_INJECT_EXCEPTION (1ULL << 1)
519
520/* for KVM_INTERRUPT */
521struct kvm_interrupt {
522 /* in */
523 __u32 irq;
524};
525
526/* for KVM_GET_DIRTY_LOG */
527struct kvm_dirty_log {
528 __u32 slot;
529 __u32 padding1;
530 union {
531 void __user *dirty_bitmap; /* one bit per page */
532 __u64 padding2;
533 };
534};
535
536/* for KVM_CLEAR_DIRTY_LOG */
537struct kvm_clear_dirty_log {
538 __u32 slot;
539 __u32 num_pages;
540 __u64 first_page;
541 union {
542 void __user *dirty_bitmap; /* one bit per page */
543 __u64 padding2;
544 };
545};
546
547/* for KVM_SET_SIGNAL_MASK */
548struct kvm_signal_mask {
549 __u32 len;
550 __u8 sigset[0];
551};
552
553/* for KVM_TPR_ACCESS_REPORTING */
554struct kvm_tpr_access_ctl {
555 __u32 enabled;
556 __u32 flags;
557 __u32 reserved[8];
558};
559
560/* for KVM_SET_VAPIC_ADDR */
561struct kvm_vapic_addr {
562 __u64 vapic_addr;
563};
564
565/* for KVM_SET_MP_STATE */
566
567/* not all states are valid on all architectures */
568#define KVM_MP_STATE_RUNNABLE 0
569#define KVM_MP_STATE_UNINITIALIZED 1
570#define KVM_MP_STATE_INIT_RECEIVED 2
571#define KVM_MP_STATE_HALTED 3
572#define KVM_MP_STATE_SIPI_RECEIVED 4
573#define KVM_MP_STATE_STOPPED 5
574#define KVM_MP_STATE_CHECK_STOP 6
575#define KVM_MP_STATE_OPERATING 7
576#define KVM_MP_STATE_LOAD 8
577#define KVM_MP_STATE_AP_RESET_HOLD 9
578
579struct kvm_mp_state {
580 __u32 mp_state;
581};
582
583struct kvm_s390_psw {
584 __u64 mask;
585 __u64 addr;
586};
587
588/* valid values for type in kvm_s390_interrupt */
589#define KVM_S390_SIGP_STOP 0xfffe0000u
590#define KVM_S390_PROGRAM_INT 0xfffe0001u
591#define KVM_S390_SIGP_SET_PREFIX 0xfffe0002u
592#define KVM_S390_RESTART 0xfffe0003u
593#define KVM_S390_INT_PFAULT_INIT 0xfffe0004u
594#define KVM_S390_INT_PFAULT_DONE 0xfffe0005u
595#define KVM_S390_MCHK 0xfffe1000u
596#define KVM_S390_INT_CLOCK_COMP 0xffff1004u
597#define KVM_S390_INT_CPU_TIMER 0xffff1005u
598#define KVM_S390_INT_VIRTIO 0xffff2603u
599#define KVM_S390_INT_SERVICE 0xffff2401u
600#define KVM_S390_INT_EMERGENCY 0xffff1201u
601#define KVM_S390_INT_EXTERNAL_CALL 0xffff1202u
602/* Anything below 0xfffe0000u is taken by INT_IO */
603#define KVM_S390_INT_IO(ai,cssid,ssid,schid) \
604 (((schid)) | \
605 ((ssid) << 16) | \
606 ((cssid) << 18) | \
607 ((ai) << 26))
608#define KVM_S390_INT_IO_MIN 0x00000000u
609#define KVM_S390_INT_IO_MAX 0xfffdffffu
610#define KVM_S390_INT_IO_AI_MASK 0x04000000u
611
612
613struct kvm_s390_interrupt {
614 __u32 type;
615 __u32 parm;
616 __u64 parm64;
617};
618
619struct kvm_s390_io_info {
620 __u16 subchannel_id;
621 __u16 subchannel_nr;
622 __u32 io_int_parm;
623 __u32 io_int_word;
624};
625
626struct kvm_s390_ext_info {
627 __u32 ext_params;
628 __u32 pad;
629 __u64 ext_params2;
630};
631
632struct kvm_s390_pgm_info {
633 __u64 trans_exc_code;
634 __u64 mon_code;
635 __u64 per_address;
636 __u32 data_exc_code;
637 __u16 code;
638 __u16 mon_class_nr;
639 __u8 per_code;
640 __u8 per_atmid;
641 __u8 exc_access_id;
642 __u8 per_access_id;
643 __u8 op_access_id;
644#define KVM_S390_PGM_FLAGS_ILC_VALID 0x01
645#define KVM_S390_PGM_FLAGS_ILC_0 0x02
646#define KVM_S390_PGM_FLAGS_ILC_1 0x04
647#define KVM_S390_PGM_FLAGS_ILC_MASK 0x06
648#define KVM_S390_PGM_FLAGS_NO_REWIND 0x08
649 __u8 flags;
650 __u8 pad[2];
651};
652
653struct kvm_s390_prefix_info {
654 __u32 address;
655};
656
657struct kvm_s390_extcall_info {
658 __u16 code;
659};
660
661struct kvm_s390_emerg_info {
662 __u16 code;
663};
664
665#define KVM_S390_STOP_FLAG_STORE_STATUS 0x01
666struct kvm_s390_stop_info {
667 __u32 flags;
668};
669
670struct kvm_s390_mchk_info {
671 __u64 cr14;
672 __u64 mcic;
673 __u64 failing_storage_address;
674 __u32 ext_damage_code;
675 __u32 pad;
676 __u8 fixed_logout[16];
677};
678
679struct kvm_s390_irq {
680 __u64 type;
681 union {
682 struct kvm_s390_io_info io;
683 struct kvm_s390_ext_info ext;
684 struct kvm_s390_pgm_info pgm;
685 struct kvm_s390_emerg_info emerg;
686 struct kvm_s390_extcall_info extcall;
687 struct kvm_s390_prefix_info prefix;
688 struct kvm_s390_stop_info stop;
689 struct kvm_s390_mchk_info mchk;
690 char reserved[64];
691 } u;
692};
693
694struct kvm_s390_irq_state {
695 __u64 buf;
696 __u32 flags; /* will stay unused for compatibility reasons */
697 __u32 len;
698 __u32 reserved[4]; /* will stay unused for compatibility reasons */
699};
700
701/* for KVM_SET_GUEST_DEBUG */
702
703#define KVM_GUESTDBG_ENABLE 0x00000001
704#define KVM_GUESTDBG_SINGLESTEP 0x00000002
705
706struct kvm_guest_debug {
707 __u32 control;
708 __u32 pad;
709 struct kvm_guest_debug_arch arch;
710};
711
712enum {
713 kvm_ioeventfd_flag_nr_datamatch,
714 kvm_ioeventfd_flag_nr_pio,
715 kvm_ioeventfd_flag_nr_deassign,
716 kvm_ioeventfd_flag_nr_virtio_ccw_notify,
717 kvm_ioeventfd_flag_nr_fast_mmio,
718 kvm_ioeventfd_flag_nr_max,
719};
720
721#define KVM_IOEVENTFD_FLAG_DATAMATCH (1 << kvm_ioeventfd_flag_nr_datamatch)
722#define KVM_IOEVENTFD_FLAG_PIO (1 << kvm_ioeventfd_flag_nr_pio)
723#define KVM_IOEVENTFD_FLAG_DEASSIGN (1 << kvm_ioeventfd_flag_nr_deassign)
724#define KVM_IOEVENTFD_FLAG_VIRTIO_CCW_NOTIFY \
725 (1 << kvm_ioeventfd_flag_nr_virtio_ccw_notify)
726
727#define KVM_IOEVENTFD_VALID_FLAG_MASK ((1 << kvm_ioeventfd_flag_nr_max) - 1)
728
729struct kvm_ioeventfd {
730 __u64 datamatch;
731 __u64 addr; /* legal pio/mmio address */
732 __u32 len; /* 1, 2, 4, or 8 bytes; or 0 to ignore length */
733 __s32 fd;
734 __u32 flags;
735 __u8 pad[36];
736};
737
738#define KVM_X86_DISABLE_EXITS_MWAIT (1 << 0)
739#define KVM_X86_DISABLE_EXITS_HLT (1 << 1)
740#define KVM_X86_DISABLE_EXITS_PAUSE (1 << 2)
741#define KVM_X86_DISABLE_EXITS_CSTATE (1 << 3)
742#define KVM_X86_DISABLE_VALID_EXITS (KVM_X86_DISABLE_EXITS_MWAIT | \
743 KVM_X86_DISABLE_EXITS_HLT | \
744 KVM_X86_DISABLE_EXITS_PAUSE | \
745 KVM_X86_DISABLE_EXITS_CSTATE)
746
747/* for KVM_ENABLE_CAP */
748struct kvm_enable_cap {
749 /* in */
750 __u32 cap;
751 __u32 flags;
752 __u64 args[4];
753 __u8 pad[64];
754};
755
756/* for KVM_PPC_GET_PVINFO */
757
758#define KVM_PPC_PVINFO_FLAGS_EV_IDLE (1<<0)
759
760struct kvm_ppc_pvinfo {
761 /* out */
762 __u32 flags;
763 __u32 hcall[4];
764 __u8 pad[108];
765};
766
767/* for KVM_PPC_GET_SMMU_INFO */
768#define KVM_PPC_PAGE_SIZES_MAX_SZ 8
769
770struct kvm_ppc_one_page_size {
771 __u32 page_shift; /* Page shift (or 0) */
772 __u32 pte_enc; /* Encoding in the HPTE (>>12) */
773};
774
775struct kvm_ppc_one_seg_page_size {
776 __u32 page_shift; /* Base page shift of segment (or 0) */
777 __u32 slb_enc; /* SLB encoding for BookS */
778 struct kvm_ppc_one_page_size enc[KVM_PPC_PAGE_SIZES_MAX_SZ];
779};
780
781#define KVM_PPC_PAGE_SIZES_REAL 0x00000001
782#define KVM_PPC_1T_SEGMENTS 0x00000002
783#define KVM_PPC_NO_HASH 0x00000004
784
785struct kvm_ppc_smmu_info {
786 __u64 flags;
787 __u32 slb_size;
788 __u16 data_keys; /* # storage keys supported for data */
789 __u16 instr_keys; /* # storage keys supported for instructions */
790 struct kvm_ppc_one_seg_page_size sps[KVM_PPC_PAGE_SIZES_MAX_SZ];
791};
792
793/* for KVM_PPC_RESIZE_HPT_{PREPARE,COMMIT} */
794struct kvm_ppc_resize_hpt {
795 __u64 flags;
796 __u32 shift;
797 __u32 pad;
798};
799
800#define KVMIO 0xAE
801
802/* machine type bits, to be used as argument to KVM_CREATE_VM */
803#define KVM_VM_S390_UCONTROL 1
804
805/* on ppc, 0 indicate default, 1 should force HV and 2 PR */
806#define KVM_VM_PPC_HV 1
807#define KVM_VM_PPC_PR 2
808
809/* on MIPS, 0 indicates auto, 1 forces VZ ASE, 2 forces trap & emulate */
810#define KVM_VM_MIPS_AUTO 0
811#define KVM_VM_MIPS_VZ 1
812#define KVM_VM_MIPS_TE 2
813
814#define KVM_S390_SIE_PAGE_OFFSET 1
815
816/*
817 * On arm64, machine type can be used to request the physical
818 * address size for the VM. Bits[7-0] are reserved for the guest
819 * PA size shift (i.e, log2(PA_Size)). For backward compatibility,
820 * value 0 implies the default IPA size, 40bits.
821 */
822#define KVM_VM_TYPE_ARM_IPA_SIZE_MASK 0xffULL
823#define KVM_VM_TYPE_ARM_IPA_SIZE(x) \
824 ((x) & KVM_VM_TYPE_ARM_IPA_SIZE_MASK)
825/*
826 * ioctls for /dev/kvm fds:
827 */
828#define KVM_GET_API_VERSION _IO(KVMIO, 0x00)
829#define KVM_CREATE_VM _IO(KVMIO, 0x01) /* returns a VM fd */
830#define KVM_GET_MSR_INDEX_LIST _IOWR(KVMIO, 0x02, struct kvm_msr_list)
831
832#define KVM_S390_ENABLE_SIE _IO(KVMIO, 0x06)
833/*
834 * Check if a kvm extension is available. Argument is extension number,
835 * return is 1 (yes) or 0 (no, sorry).
836 */
837#define KVM_CHECK_EXTENSION _IO(KVMIO, 0x03)
838/*
839 * Get size for mmap(vcpu_fd)
840 */
841#define KVM_GET_VCPU_MMAP_SIZE _IO(KVMIO, 0x04) /* in bytes */
842#define KVM_GET_SUPPORTED_CPUID _IOWR(KVMIO, 0x05, struct kvm_cpuid2)
843#define KVM_TRACE_ENABLE __KVM_DEPRECATED_MAIN_W_0x06
844#define KVM_TRACE_PAUSE __KVM_DEPRECATED_MAIN_0x07
845#define KVM_TRACE_DISABLE __KVM_DEPRECATED_MAIN_0x08
846#define KVM_GET_EMULATED_CPUID _IOWR(KVMIO, 0x09, struct kvm_cpuid2)
847#define KVM_GET_MSR_FEATURE_INDEX_LIST _IOWR(KVMIO, 0x0a, struct kvm_msr_list)
848
849/*
850 * Extension capability list.
851 */
852#define KVM_CAP_IRQCHIP 0
853#define KVM_CAP_HLT 1
854#define KVM_CAP_MMU_SHADOW_CACHE_CONTROL 2
855#define KVM_CAP_USER_MEMORY 3
856#define KVM_CAP_SET_TSS_ADDR 4
857#define KVM_CAP_VAPIC 6
858#define KVM_CAP_EXT_CPUID 7
859#define KVM_CAP_CLOCKSOURCE 8
860#define KVM_CAP_NR_VCPUS 9 /* returns recommended max vcpus per vm */
861#define KVM_CAP_NR_MEMSLOTS 10 /* returns max memory slots per vm */
862#define KVM_CAP_PIT 11
863#define KVM_CAP_NOP_IO_DELAY 12
864#define KVM_CAP_PV_MMU 13
865#define KVM_CAP_MP_STATE 14
866#define KVM_CAP_COALESCED_MMIO 15
867#define KVM_CAP_SYNC_MMU 16 /* Changes to host mmap are reflected in guest */
868#define KVM_CAP_IOMMU 18
869/* Bug in KVM_SET_USER_MEMORY_REGION fixed: */
870#define KVM_CAP_DESTROY_MEMORY_REGION_WORKS 21
871#define KVM_CAP_USER_NMI 22
872#ifdef __KVM_HAVE_GUEST_DEBUG
873#define KVM_CAP_SET_GUEST_DEBUG 23
874#endif
875#ifdef __KVM_HAVE_PIT
876#define KVM_CAP_REINJECT_CONTROL 24
877#endif
878#define KVM_CAP_IRQ_ROUTING 25
879#define KVM_CAP_IRQ_INJECT_STATUS 26
880#define KVM_CAP_ASSIGN_DEV_IRQ 29
881/* Another bug in KVM_SET_USER_MEMORY_REGION fixed: */
882#define KVM_CAP_JOIN_MEMORY_REGIONS_WORKS 30
883#ifdef __KVM_HAVE_MCE
884#define KVM_CAP_MCE 31
885#endif
886#define KVM_CAP_IRQFD 32
887#ifdef __KVM_HAVE_PIT
888#define KVM_CAP_PIT2 33
889#endif
890#define KVM_CAP_SET_BOOT_CPU_ID 34
891#ifdef __KVM_HAVE_PIT_STATE2
892#define KVM_CAP_PIT_STATE2 35
893#endif
894#define KVM_CAP_IOEVENTFD 36
895#define KVM_CAP_SET_IDENTITY_MAP_ADDR 37
896#ifdef __KVM_HAVE_XEN_HVM
897#define KVM_CAP_XEN_HVM 38
898#endif
899#define KVM_CAP_ADJUST_CLOCK 39
900#define KVM_CAP_INTERNAL_ERROR_DATA 40
901#ifdef __KVM_HAVE_VCPU_EVENTS
902#define KVM_CAP_VCPU_EVENTS 41
903#endif
904#define KVM_CAP_S390_PSW 42
905#define KVM_CAP_PPC_SEGSTATE 43
906#define KVM_CAP_HYPERV 44
907#define KVM_CAP_HYPERV_VAPIC 45
908#define KVM_CAP_HYPERV_SPIN 46
909#define KVM_CAP_PCI_SEGMENT 47
910#define KVM_CAP_PPC_PAIRED_SINGLES 48
911#define KVM_CAP_INTR_SHADOW 49
912#ifdef __KVM_HAVE_DEBUGREGS
913#define KVM_CAP_DEBUGREGS 50
914#endif
915#define KVM_CAP_X86_ROBUST_SINGLESTEP 51
916#define KVM_CAP_PPC_OSI 52
917#define KVM_CAP_PPC_UNSET_IRQ 53
918#define KVM_CAP_ENABLE_CAP 54
919#ifdef __KVM_HAVE_XSAVE
920#define KVM_CAP_XSAVE 55
921#endif
922#ifdef __KVM_HAVE_XCRS
923#define KVM_CAP_XCRS 56
924#endif
925#define KVM_CAP_PPC_GET_PVINFO 57
926#define KVM_CAP_PPC_IRQ_LEVEL 58
927#define KVM_CAP_ASYNC_PF 59
928#define KVM_CAP_TSC_CONTROL 60
929#define KVM_CAP_GET_TSC_KHZ 61
930#define KVM_CAP_PPC_BOOKE_SREGS 62
931#define KVM_CAP_SPAPR_TCE 63
932#define KVM_CAP_PPC_SMT 64
933#define KVM_CAP_PPC_RMA 65
934#define KVM_CAP_MAX_VCPUS 66 /* returns max vcpus per vm */
935#define KVM_CAP_PPC_HIOR 67
936#define KVM_CAP_PPC_PAPR 68
937#define KVM_CAP_SW_TLB 69
938#define KVM_CAP_ONE_REG 70
939#define KVM_CAP_S390_GMAP 71
940#define KVM_CAP_TSC_DEADLINE_TIMER 72
941#define KVM_CAP_S390_UCONTROL 73
942#define KVM_CAP_SYNC_REGS 74
943#define KVM_CAP_PCI_2_3 75
944#define KVM_CAP_KVMCLOCK_CTRL 76
945#define KVM_CAP_SIGNAL_MSI 77
946#define KVM_CAP_PPC_GET_SMMU_INFO 78
947#define KVM_CAP_S390_COW 79
948#define KVM_CAP_PPC_ALLOC_HTAB 80
949#define KVM_CAP_READONLY_MEM 81
950#define KVM_CAP_IRQFD_RESAMPLE 82
951#define KVM_CAP_PPC_BOOKE_WATCHDOG 83
952#define KVM_CAP_PPC_HTAB_FD 84
953#define KVM_CAP_S390_CSS_SUPPORT 85
954#define KVM_CAP_PPC_EPR 86
955#define KVM_CAP_ARM_PSCI 87
956#define KVM_CAP_ARM_SET_DEVICE_ADDR 88
957#define KVM_CAP_DEVICE_CTRL 89
958#define KVM_CAP_IRQ_MPIC 90
959#define KVM_CAP_PPC_RTAS 91
960#define KVM_CAP_IRQ_XICS 92
961#define KVM_CAP_ARM_EL1_32BIT 93
962#define KVM_CAP_SPAPR_MULTITCE 94
963#define KVM_CAP_EXT_EMUL_CPUID 95
964#define KVM_CAP_HYPERV_TIME 96
965#define KVM_CAP_IOAPIC_POLARITY_IGNORED 97
966#define KVM_CAP_ENABLE_CAP_VM 98
967#define KVM_CAP_S390_IRQCHIP 99
968#define KVM_CAP_IOEVENTFD_NO_LENGTH 100
969#define KVM_CAP_VM_ATTRIBUTES 101
970#define KVM_CAP_ARM_PSCI_0_2 102
971#define KVM_CAP_PPC_FIXUP_HCALL 103
972#define KVM_CAP_PPC_ENABLE_HCALL 104
973#define KVM_CAP_CHECK_EXTENSION_VM 105
974#define KVM_CAP_S390_USER_SIGP 106
975#define KVM_CAP_S390_VECTOR_REGISTERS 107
976#define KVM_CAP_S390_MEM_OP 108
977#define KVM_CAP_S390_USER_STSI 109
978#define KVM_CAP_S390_SKEYS 110
979#define KVM_CAP_MIPS_FPU 111
980#define KVM_CAP_MIPS_MSA 112
981#define KVM_CAP_S390_INJECT_IRQ 113
982#define KVM_CAP_S390_IRQ_STATE 114
983#define KVM_CAP_PPC_HWRNG 115
984#define KVM_CAP_DISABLE_QUIRKS 116
985#define KVM_CAP_X86_SMM 117
986#define KVM_CAP_MULTI_ADDRESS_SPACE 118
987#define KVM_CAP_GUEST_DEBUG_HW_BPS 119
988#define KVM_CAP_GUEST_DEBUG_HW_WPS 120
989#define KVM_CAP_SPLIT_IRQCHIP 121
990#define KVM_CAP_IOEVENTFD_ANY_LENGTH 122
991#define KVM_CAP_HYPERV_SYNIC 123
992#define KVM_CAP_S390_RI 124
993#define KVM_CAP_SPAPR_TCE_64 125
994#define KVM_CAP_ARM_PMU_V3 126
995#define KVM_CAP_VCPU_ATTRIBUTES 127
996#define KVM_CAP_MAX_VCPU_ID 128
997#define KVM_CAP_X2APIC_API 129
998#define KVM_CAP_S390_USER_INSTR0 130
999#define KVM_CAP_MSI_DEVID 131
1000#define KVM_CAP_PPC_HTM 132
1001#define KVM_CAP_SPAPR_RESIZE_HPT 133
1002#define KVM_CAP_PPC_MMU_RADIX 134
1003#define KVM_CAP_PPC_MMU_HASH_V3 135
1004#define KVM_CAP_IMMEDIATE_EXIT 136
1005#define KVM_CAP_MIPS_VZ 137
1006#define KVM_CAP_MIPS_TE 138
1007#define KVM_CAP_MIPS_64BIT 139
1008#define KVM_CAP_S390_GS 140
1009#define KVM_CAP_S390_AIS 141
1010#define KVM_CAP_SPAPR_TCE_VFIO 142
1011#define KVM_CAP_X86_DISABLE_EXITS 143
1012#define KVM_CAP_ARM_USER_IRQ 144
1013#define KVM_CAP_S390_CMMA_MIGRATION 145
1014#define KVM_CAP_PPC_FWNMI 146
1015#define KVM_CAP_PPC_SMT_POSSIBLE 147
1016#define KVM_CAP_HYPERV_SYNIC2 148
1017#define KVM_CAP_HYPERV_VP_INDEX 149
1018#define KVM_CAP_S390_AIS_MIGRATION 150
1019#define KVM_CAP_PPC_GET_CPU_CHAR 151
1020#define KVM_CAP_S390_BPB 152
1021#define KVM_CAP_GET_MSR_FEATURES 153
1022#define KVM_CAP_HYPERV_EVENTFD 154
1023#define KVM_CAP_HYPERV_TLBFLUSH 155
1024#define KVM_CAP_S390_HPAGE_1M 156
1025#define KVM_CAP_NESTED_STATE 157
1026#define KVM_CAP_ARM_INJECT_SERROR_ESR 158
1027#define KVM_CAP_MSR_PLATFORM_INFO 159
1028#define KVM_CAP_PPC_NESTED_HV 160
1029#define KVM_CAP_HYPERV_SEND_IPI 161
1030#define KVM_CAP_COALESCED_PIO 162
1031#define KVM_CAP_HYPERV_ENLIGHTENED_VMCS 163
1032#define KVM_CAP_EXCEPTION_PAYLOAD 164
1033#define KVM_CAP_ARM_VM_IPA_SIZE 165
1034#define KVM_CAP_MANUAL_DIRTY_LOG_PROTECT 166 /* Obsolete */
1035#define KVM_CAP_HYPERV_CPUID 167
1036#define KVM_CAP_MANUAL_DIRTY_LOG_PROTECT2 168
1037#define KVM_CAP_PPC_IRQ_XIVE 169
1038#define KVM_CAP_ARM_SVE 170
1039#define KVM_CAP_ARM_PTRAUTH_ADDRESS 171
1040#define KVM_CAP_ARM_PTRAUTH_GENERIC 172
1041#define KVM_CAP_PMU_EVENT_FILTER 173
1042#define KVM_CAP_ARM_IRQ_LINE_LAYOUT_2 174
1043#define KVM_CAP_HYPERV_DIRECT_TLBFLUSH 175
1044#define KVM_CAP_PPC_GUEST_DEBUG_SSTEP 176
1045#define KVM_CAP_ARM_NISV_TO_USER 177
1046#define KVM_CAP_ARM_INJECT_EXT_DABT 178
1047#define KVM_CAP_S390_VCPU_RESETS 179
1048#define KVM_CAP_S390_PROTECTED 180
1049#define KVM_CAP_PPC_SECURE_GUEST 181
1050#define KVM_CAP_HALT_POLL 182
1051#define KVM_CAP_ASYNC_PF_INT 183
1052#define KVM_CAP_LAST_CPU 184
1053#define KVM_CAP_SMALLER_MAXPHYADDR 185
1054#define KVM_CAP_S390_DIAG318 186
1055#define KVM_CAP_STEAL_TIME 187
1056#define KVM_CAP_X86_USER_SPACE_MSR 188
1057#define KVM_CAP_X86_MSR_FILTER 189
1058#define KVM_CAP_ENFORCE_PV_FEATURE_CPUID 190
1059#define KVM_CAP_SYS_HYPERV_CPUID 191
1060#define KVM_CAP_DIRTY_LOG_RING 192
1061
1062#ifdef KVM_CAP_IRQ_ROUTING
1063
1064struct kvm_irq_routing_irqchip {
1065 __u32 irqchip;
1066 __u32 pin;
1067};
1068
1069struct kvm_irq_routing_msi {
1070 __u32 address_lo;
1071 __u32 address_hi;
1072 __u32 data;
1073 union {
1074 __u32 pad;
1075 __u32 devid;
1076 };
1077};
1078
1079struct kvm_irq_routing_s390_adapter {
1080 __u64 ind_addr;
1081 __u64 summary_addr;
1082 __u64 ind_offset;
1083 __u32 summary_offset;
1084 __u32 adapter_id;
1085};
1086
1087struct kvm_irq_routing_hv_sint {
1088 __u32 vcpu;
1089 __u32 sint;
1090};
1091
1092/* gsi routing entry types */
1093#define KVM_IRQ_ROUTING_IRQCHIP 1
1094#define KVM_IRQ_ROUTING_MSI 2
1095#define KVM_IRQ_ROUTING_S390_ADAPTER 3
1096#define KVM_IRQ_ROUTING_HV_SINT 4
1097
1098struct kvm_irq_routing_entry {
1099 __u32 gsi;
1100 __u32 type;
1101 __u32 flags;
1102 __u32 pad;
1103 union {
1104 struct kvm_irq_routing_irqchip irqchip;
1105 struct kvm_irq_routing_msi msi;
1106 struct kvm_irq_routing_s390_adapter adapter;
1107 struct kvm_irq_routing_hv_sint hv_sint;
1108 __u32 pad[8];
1109 } u;
1110};
1111
1112struct kvm_irq_routing {
1113 __u32 nr;
1114 __u32 flags;
1115 struct kvm_irq_routing_entry entries[0];
1116};
1117
1118#endif
1119
1120#ifdef KVM_CAP_MCE
1121/* x86 MCE */
1122struct kvm_x86_mce {
1123 __u64 status;
1124 __u64 addr;
1125 __u64 misc;
1126 __u64 mcg_status;
1127 __u8 bank;
1128 __u8 pad1[7];
1129 __u64 pad2[3];
1130};
1131#endif
1132
1133#ifdef KVM_CAP_XEN_HVM
1134struct kvm_xen_hvm_config {
1135 __u32 flags;
1136 __u32 msr;
1137 __u64 blob_addr_32;
1138 __u64 blob_addr_64;
1139 __u8 blob_size_32;
1140 __u8 blob_size_64;
1141 __u8 pad2[30];
1142};
1143#endif
1144
1145#define KVM_IRQFD_FLAG_DEASSIGN (1 << 0)
1146/*
1147 * Available with KVM_CAP_IRQFD_RESAMPLE
1148 *
1149 * KVM_IRQFD_FLAG_RESAMPLE indicates resamplefd is valid and specifies
1150 * the irqfd to operate in resampling mode for level triggered interrupt
1151 * emulation. See Documentation/virt/kvm/api.rst.
1152 */
1153#define KVM_IRQFD_FLAG_RESAMPLE (1 << 1)
1154
1155struct kvm_irqfd {
1156 __u32 fd;
1157 __u32 gsi;
1158 __u32 flags;
1159 __u32 resamplefd;
1160 __u8 pad[16];
1161};
1162
1163/* For KVM_CAP_ADJUST_CLOCK */
1164
1165/* Do not use 1, KVM_CHECK_EXTENSION returned it before we had flags. */
1166#define KVM_CLOCK_TSC_STABLE 2
1167
1168struct kvm_clock_data {
1169 __u64 clock;
1170 __u32 flags;
1171 __u32 pad[9];
1172};
1173
1174/* For KVM_CAP_SW_TLB */
1175
1176#define KVM_MMU_FSL_BOOKE_NOHV 0
1177#define KVM_MMU_FSL_BOOKE_HV 1
1178
1179struct kvm_config_tlb {
1180 __u64 params;
1181 __u64 array;
1182 __u32 mmu_type;
1183 __u32 array_len;
1184};
1185
1186struct kvm_dirty_tlb {
1187 __u64 bitmap;
1188 __u32 num_dirty;
1189};
1190
1191/* Available with KVM_CAP_ONE_REG */
1192
1193#define KVM_REG_ARCH_MASK 0xff00000000000000ULL
1194#define KVM_REG_GENERIC 0x0000000000000000ULL
1195
1196/*
1197 * Architecture specific registers are to be defined in arch headers and
1198 * ORed with the arch identifier.
1199 */
1200#define KVM_REG_PPC 0x1000000000000000ULL
1201#define KVM_REG_X86 0x2000000000000000ULL
1202#define KVM_REG_IA64 0x3000000000000000ULL
1203#define KVM_REG_ARM 0x4000000000000000ULL
1204#define KVM_REG_S390 0x5000000000000000ULL
1205#define KVM_REG_ARM64 0x6000000000000000ULL
1206#define KVM_REG_MIPS 0x7000000000000000ULL
1207#define KVM_REG_RISCV 0x8000000000000000ULL
1208
1209#define KVM_REG_SIZE_SHIFT 52
1210#define KVM_REG_SIZE_MASK 0x00f0000000000000ULL
1211#define KVM_REG_SIZE_U8 0x0000000000000000ULL
1212#define KVM_REG_SIZE_U16 0x0010000000000000ULL
1213#define KVM_REG_SIZE_U32 0x0020000000000000ULL
1214#define KVM_REG_SIZE_U64 0x0030000000000000ULL
1215#define KVM_REG_SIZE_U128 0x0040000000000000ULL
1216#define KVM_REG_SIZE_U256 0x0050000000000000ULL
1217#define KVM_REG_SIZE_U512 0x0060000000000000ULL
1218#define KVM_REG_SIZE_U1024 0x0070000000000000ULL
1219#define KVM_REG_SIZE_U2048 0x0080000000000000ULL
1220
1221struct kvm_reg_list {
1222 __u64 n; /* number of regs */
1223 __u64 reg[0];
1224};
1225
1226struct kvm_one_reg {
1227 __u64 id;
1228 __u64 addr;
1229};
1230
1231#define KVM_MSI_VALID_DEVID (1U << 0)
1232struct kvm_msi {
1233 __u32 address_lo;
1234 __u32 address_hi;
1235 __u32 data;
1236 __u32 flags;
1237 __u32 devid;
1238 __u8 pad[12];
1239};
1240
1241struct kvm_arm_device_addr {
1242 __u64 id;
1243 __u64 addr;
1244};
1245
1246/*
1247 * Device control API, available with KVM_CAP_DEVICE_CTRL
1248 */
1249#define KVM_CREATE_DEVICE_TEST 1
1250
1251struct kvm_create_device {
1252 __u32 type; /* in: KVM_DEV_TYPE_xxx */
1253 __u32 fd; /* out: device handle */
1254 __u32 flags; /* in: KVM_CREATE_DEVICE_xxx */
1255};
1256
1257struct kvm_device_attr {
1258 __u32 flags; /* no flags currently defined */
1259 __u32 group; /* device-defined */
1260 __u64 attr; /* group-defined */
1261 __u64 addr; /* userspace address of attr data */
1262};
1263
1264#define KVM_DEV_VFIO_GROUP 1
1265#define KVM_DEV_VFIO_GROUP_ADD 1
1266#define KVM_DEV_VFIO_GROUP_DEL 2
1267#define KVM_DEV_VFIO_GROUP_SET_SPAPR_TCE 3
1268
1269enum kvm_device_type {
1270 KVM_DEV_TYPE_FSL_MPIC_20 = 1,
1271#define KVM_DEV_TYPE_FSL_MPIC_20 KVM_DEV_TYPE_FSL_MPIC_20
1272 KVM_DEV_TYPE_FSL_MPIC_42,
1273#define KVM_DEV_TYPE_FSL_MPIC_42 KVM_DEV_TYPE_FSL_MPIC_42
1274 KVM_DEV_TYPE_XICS,
1275#define KVM_DEV_TYPE_XICS KVM_DEV_TYPE_XICS
1276 KVM_DEV_TYPE_VFIO,
1277#define KVM_DEV_TYPE_VFIO KVM_DEV_TYPE_VFIO
1278 KVM_DEV_TYPE_ARM_VGIC_V2,
1279#define KVM_DEV_TYPE_ARM_VGIC_V2 KVM_DEV_TYPE_ARM_VGIC_V2
1280 KVM_DEV_TYPE_FLIC,
1281#define KVM_DEV_TYPE_FLIC KVM_DEV_TYPE_FLIC
1282 KVM_DEV_TYPE_ARM_VGIC_V3,
1283#define KVM_DEV_TYPE_ARM_VGIC_V3 KVM_DEV_TYPE_ARM_VGIC_V3
1284 KVM_DEV_TYPE_ARM_VGIC_ITS,
1285#define KVM_DEV_TYPE_ARM_VGIC_ITS KVM_DEV_TYPE_ARM_VGIC_ITS
1286 KVM_DEV_TYPE_XIVE,
1287#define KVM_DEV_TYPE_XIVE KVM_DEV_TYPE_XIVE
1288 KVM_DEV_TYPE_ARM_PV_TIME,
1289#define KVM_DEV_TYPE_ARM_PV_TIME KVM_DEV_TYPE_ARM_PV_TIME
1290 KVM_DEV_TYPE_MAX,
1291};
1292
1293struct kvm_vfio_spapr_tce {
1294 __s32 groupfd;
1295 __s32 tablefd;
1296};
1297
1298/*
1299 * ioctls for VM fds
1300 */
1301#define KVM_SET_MEMORY_REGION _IOW(KVMIO, 0x40, struct kvm_memory_region)
1302/*
1303 * KVM_CREATE_VCPU receives as a parameter the vcpu slot, and returns
1304 * a vcpu fd.
1305 */
1306#define KVM_CREATE_VCPU _IO(KVMIO, 0x41)
1307#define KVM_GET_DIRTY_LOG _IOW(KVMIO, 0x42, struct kvm_dirty_log)
1308/* KVM_SET_MEMORY_ALIAS is obsolete: */
1309#define KVM_SET_MEMORY_ALIAS _IOW(KVMIO, 0x43, struct kvm_memory_alias)
1310#define KVM_SET_NR_MMU_PAGES _IO(KVMIO, 0x44)
1311#define KVM_GET_NR_MMU_PAGES _IO(KVMIO, 0x45)
1312#define KVM_SET_USER_MEMORY_REGION _IOW(KVMIO, 0x46, \
1313 struct kvm_userspace_memory_region)
1314#define KVM_SET_TSS_ADDR _IO(KVMIO, 0x47)
1315#define KVM_SET_IDENTITY_MAP_ADDR _IOW(KVMIO, 0x48, __u64)
1316
1317/* enable ucontrol for s390 */
1318struct kvm_s390_ucas_mapping {
1319 __u64 user_addr;
1320 __u64 vcpu_addr;
1321 __u64 length;
1322};
1323#define KVM_S390_UCAS_MAP _IOW(KVMIO, 0x50, struct kvm_s390_ucas_mapping)
1324#define KVM_S390_UCAS_UNMAP _IOW(KVMIO, 0x51, struct kvm_s390_ucas_mapping)
1325#define KVM_S390_VCPU_FAULT _IOW(KVMIO, 0x52, unsigned long)
1326
1327/* Device model IOC */
1328#define KVM_CREATE_IRQCHIP _IO(KVMIO, 0x60)
1329#define KVM_IRQ_LINE _IOW(KVMIO, 0x61, struct kvm_irq_level)
1330#define KVM_GET_IRQCHIP _IOWR(KVMIO, 0x62, struct kvm_irqchip)
1331#define KVM_SET_IRQCHIP _IOR(KVMIO, 0x63, struct kvm_irqchip)
1332#define KVM_CREATE_PIT _IO(KVMIO, 0x64)
1333#define KVM_GET_PIT _IOWR(KVMIO, 0x65, struct kvm_pit_state)
1334#define KVM_SET_PIT _IOR(KVMIO, 0x66, struct kvm_pit_state)
1335#define KVM_IRQ_LINE_STATUS _IOWR(KVMIO, 0x67, struct kvm_irq_level)
1336#define KVM_REGISTER_COALESCED_MMIO \
1337 _IOW(KVMIO, 0x67, struct kvm_coalesced_mmio_zone)
1338#define KVM_UNREGISTER_COALESCED_MMIO \
1339 _IOW(KVMIO, 0x68, struct kvm_coalesced_mmio_zone)
1340#define KVM_ASSIGN_PCI_DEVICE _IOR(KVMIO, 0x69, \
1341 struct kvm_assigned_pci_dev)
1342#define KVM_SET_GSI_ROUTING _IOW(KVMIO, 0x6a, struct kvm_irq_routing)
1343/* deprecated, replaced by KVM_ASSIGN_DEV_IRQ */
1344#define KVM_ASSIGN_IRQ __KVM_DEPRECATED_VM_R_0x70
1345#define KVM_ASSIGN_DEV_IRQ _IOW(KVMIO, 0x70, struct kvm_assigned_irq)
1346#define KVM_REINJECT_CONTROL _IO(KVMIO, 0x71)
1347#define KVM_DEASSIGN_PCI_DEVICE _IOW(KVMIO, 0x72, \
1348 struct kvm_assigned_pci_dev)
1349#define KVM_ASSIGN_SET_MSIX_NR _IOW(KVMIO, 0x73, \
1350 struct kvm_assigned_msix_nr)
1351#define KVM_ASSIGN_SET_MSIX_ENTRY _IOW(KVMIO, 0x74, \
1352 struct kvm_assigned_msix_entry)
1353#define KVM_DEASSIGN_DEV_IRQ _IOW(KVMIO, 0x75, struct kvm_assigned_irq)
1354#define KVM_IRQFD _IOW(KVMIO, 0x76, struct kvm_irqfd)
1355#define KVM_CREATE_PIT2 _IOW(KVMIO, 0x77, struct kvm_pit_config)
1356#define KVM_SET_BOOT_CPU_ID _IO(KVMIO, 0x78)
1357#define KVM_IOEVENTFD _IOW(KVMIO, 0x79, struct kvm_ioeventfd)
1358#define KVM_XEN_HVM_CONFIG _IOW(KVMIO, 0x7a, struct kvm_xen_hvm_config)
1359#define KVM_SET_CLOCK _IOW(KVMIO, 0x7b, struct kvm_clock_data)
1360#define KVM_GET_CLOCK _IOR(KVMIO, 0x7c, struct kvm_clock_data)
1361/* Available with KVM_CAP_PIT_STATE2 */
1362#define KVM_GET_PIT2 _IOR(KVMIO, 0x9f, struct kvm_pit_state2)
1363#define KVM_SET_PIT2 _IOW(KVMIO, 0xa0, struct kvm_pit_state2)
1364/* Available with KVM_CAP_PPC_GET_PVINFO */
1365#define KVM_PPC_GET_PVINFO _IOW(KVMIO, 0xa1, struct kvm_ppc_pvinfo)
1366/* Available with KVM_CAP_TSC_CONTROL */
1367#define KVM_SET_TSC_KHZ _IO(KVMIO, 0xa2)
1368#define KVM_GET_TSC_KHZ _IO(KVMIO, 0xa3)
1369/* Available with KVM_CAP_PCI_2_3 */
1370#define KVM_ASSIGN_SET_INTX_MASK _IOW(KVMIO, 0xa4, \
1371 struct kvm_assigned_pci_dev)
1372/* Available with KVM_CAP_SIGNAL_MSI */
1373#define KVM_SIGNAL_MSI _IOW(KVMIO, 0xa5, struct kvm_msi)
1374/* Available with KVM_CAP_PPC_GET_SMMU_INFO */
1375#define KVM_PPC_GET_SMMU_INFO _IOR(KVMIO, 0xa6, struct kvm_ppc_smmu_info)
1376/* Available with KVM_CAP_PPC_ALLOC_HTAB */
1377#define KVM_PPC_ALLOCATE_HTAB _IOWR(KVMIO, 0xa7, __u32)
1378#define KVM_CREATE_SPAPR_TCE _IOW(KVMIO, 0xa8, struct kvm_create_spapr_tce)
1379#define KVM_CREATE_SPAPR_TCE_64 _IOW(KVMIO, 0xa8, \
1380 struct kvm_create_spapr_tce_64)
1381/* Available with KVM_CAP_RMA */
1382#define KVM_ALLOCATE_RMA _IOR(KVMIO, 0xa9, struct kvm_allocate_rma)
1383/* Available with KVM_CAP_PPC_HTAB_FD */
1384#define KVM_PPC_GET_HTAB_FD _IOW(KVMIO, 0xaa, struct kvm_get_htab_fd)
1385/* Available with KVM_CAP_ARM_SET_DEVICE_ADDR */
1386#define KVM_ARM_SET_DEVICE_ADDR _IOW(KVMIO, 0xab, struct kvm_arm_device_addr)
1387/* Available with KVM_CAP_PPC_RTAS */
1388#define KVM_PPC_RTAS_DEFINE_TOKEN _IOW(KVMIO, 0xac, struct kvm_rtas_token_args)
1389/* Available with KVM_CAP_SPAPR_RESIZE_HPT */
1390#define KVM_PPC_RESIZE_HPT_PREPARE _IOR(KVMIO, 0xad, struct kvm_ppc_resize_hpt)
1391#define KVM_PPC_RESIZE_HPT_COMMIT _IOR(KVMIO, 0xae, struct kvm_ppc_resize_hpt)
1392/* Available with KVM_CAP_PPC_RADIX_MMU or KVM_CAP_PPC_HASH_MMU_V3 */
1393#define KVM_PPC_CONFIGURE_V3_MMU _IOW(KVMIO, 0xaf, struct kvm_ppc_mmuv3_cfg)
1394/* Available with KVM_CAP_PPC_RADIX_MMU */
1395#define KVM_PPC_GET_RMMU_INFO _IOW(KVMIO, 0xb0, struct kvm_ppc_rmmu_info)
1396/* Available with KVM_CAP_PPC_GET_CPU_CHAR */
1397#define KVM_PPC_GET_CPU_CHAR _IOR(KVMIO, 0xb1, struct kvm_ppc_cpu_char)
1398/* Available with KVM_CAP_PMU_EVENT_FILTER */
1399#define KVM_SET_PMU_EVENT_FILTER _IOW(KVMIO, 0xb2, struct kvm_pmu_event_filter)
1400#define KVM_PPC_SVM_OFF _IO(KVMIO, 0xb3)
1401
1402/* ioctl for vm fd */
1403#define KVM_CREATE_DEVICE _IOWR(KVMIO, 0xe0, struct kvm_create_device)
1404
1405/* ioctls for fds returned by KVM_CREATE_DEVICE */
1406#define KVM_SET_DEVICE_ATTR _IOW(KVMIO, 0xe1, struct kvm_device_attr)
1407#define KVM_GET_DEVICE_ATTR _IOW(KVMIO, 0xe2, struct kvm_device_attr)
1408#define KVM_HAS_DEVICE_ATTR _IOW(KVMIO, 0xe3, struct kvm_device_attr)
1409
1410/*
1411 * ioctls for vcpu fds
1412 */
1413#define KVM_RUN _IO(KVMIO, 0x80)
1414#define KVM_GET_REGS _IOR(KVMIO, 0x81, struct kvm_regs)
1415#define KVM_SET_REGS _IOW(KVMIO, 0x82, struct kvm_regs)
1416#define KVM_GET_SREGS _IOR(KVMIO, 0x83, struct kvm_sregs)
1417#define KVM_SET_SREGS _IOW(KVMIO, 0x84, struct kvm_sregs)
1418#define KVM_TRANSLATE _IOWR(KVMIO, 0x85, struct kvm_translation)
1419#define KVM_INTERRUPT _IOW(KVMIO, 0x86, struct kvm_interrupt)
1420/* KVM_DEBUG_GUEST is no longer supported, use KVM_SET_GUEST_DEBUG instead */
1421#define KVM_DEBUG_GUEST __KVM_DEPRECATED_VCPU_W_0x87
1422#define KVM_GET_MSRS _IOWR(KVMIO, 0x88, struct kvm_msrs)
1423#define KVM_SET_MSRS _IOW(KVMIO, 0x89, struct kvm_msrs)
1424#define KVM_SET_CPUID _IOW(KVMIO, 0x8a, struct kvm_cpuid)
1425#define KVM_SET_SIGNAL_MASK _IOW(KVMIO, 0x8b, struct kvm_signal_mask)
1426#define KVM_GET_FPU _IOR(KVMIO, 0x8c, struct kvm_fpu)
1427#define KVM_SET_FPU _IOW(KVMIO, 0x8d, struct kvm_fpu)
1428#define KVM_GET_LAPIC _IOR(KVMIO, 0x8e, struct kvm_lapic_state)
1429#define KVM_SET_LAPIC _IOW(KVMIO, 0x8f, struct kvm_lapic_state)
1430#define KVM_SET_CPUID2 _IOW(KVMIO, 0x90, struct kvm_cpuid2)
1431#define KVM_GET_CPUID2 _IOWR(KVMIO, 0x91, struct kvm_cpuid2)
1432/* Available with KVM_CAP_VAPIC */
1433#define KVM_TPR_ACCESS_REPORTING _IOWR(KVMIO, 0x92, struct kvm_tpr_access_ctl)
1434/* Available with KVM_CAP_VAPIC */
1435#define KVM_SET_VAPIC_ADDR _IOW(KVMIO, 0x93, struct kvm_vapic_addr)
1436/* valid for virtual machine (for floating interrupt)_and_ vcpu */
1437#define KVM_S390_INTERRUPT _IOW(KVMIO, 0x94, struct kvm_s390_interrupt)
1438/* store status for s390 */
1439#define KVM_S390_STORE_STATUS_NOADDR (-1ul)
1440#define KVM_S390_STORE_STATUS_PREFIXED (-2ul)
1441#define KVM_S390_STORE_STATUS _IOW(KVMIO, 0x95, unsigned long)
1442/* initial ipl psw for s390 */
1443#define KVM_S390_SET_INITIAL_PSW _IOW(KVMIO, 0x96, struct kvm_s390_psw)
1444/* initial reset for s390 */
1445#define KVM_S390_INITIAL_RESET _IO(KVMIO, 0x97)
1446#define KVM_GET_MP_STATE _IOR(KVMIO, 0x98, struct kvm_mp_state)
1447#define KVM_SET_MP_STATE _IOW(KVMIO, 0x99, struct kvm_mp_state)
1448/* Available with KVM_CAP_USER_NMI */
1449#define KVM_NMI _IO(KVMIO, 0x9a)
1450/* Available with KVM_CAP_SET_GUEST_DEBUG */
1451#define KVM_SET_GUEST_DEBUG _IOW(KVMIO, 0x9b, struct kvm_guest_debug)
1452/* MCE for x86 */
1453#define KVM_X86_SETUP_MCE _IOW(KVMIO, 0x9c, __u64)
1454#define KVM_X86_GET_MCE_CAP_SUPPORTED _IOR(KVMIO, 0x9d, __u64)
1455#define KVM_X86_SET_MCE _IOW(KVMIO, 0x9e, struct kvm_x86_mce)
1456/* Available with KVM_CAP_VCPU_EVENTS */
1457#define KVM_GET_VCPU_EVENTS _IOR(KVMIO, 0x9f, struct kvm_vcpu_events)
1458#define KVM_SET_VCPU_EVENTS _IOW(KVMIO, 0xa0, struct kvm_vcpu_events)
1459/* Available with KVM_CAP_DEBUGREGS */
1460#define KVM_GET_DEBUGREGS _IOR(KVMIO, 0xa1, struct kvm_debugregs)
1461#define KVM_SET_DEBUGREGS _IOW(KVMIO, 0xa2, struct kvm_debugregs)
1462/*
1463 * vcpu version available with KVM_ENABLE_CAP
1464 * vm version available with KVM_CAP_ENABLE_CAP_VM
1465 */
1466#define KVM_ENABLE_CAP _IOW(KVMIO, 0xa3, struct kvm_enable_cap)
1467/* Available with KVM_CAP_XSAVE */
1468#define KVM_GET_XSAVE _IOR(KVMIO, 0xa4, struct kvm_xsave)
1469#define KVM_SET_XSAVE _IOW(KVMIO, 0xa5, struct kvm_xsave)
1470/* Available with KVM_CAP_XCRS */
1471#define KVM_GET_XCRS _IOR(KVMIO, 0xa6, struct kvm_xcrs)
1472#define KVM_SET_XCRS _IOW(KVMIO, 0xa7, struct kvm_xcrs)
1473/* Available with KVM_CAP_SW_TLB */
1474#define KVM_DIRTY_TLB _IOW(KVMIO, 0xaa, struct kvm_dirty_tlb)
1475/* Available with KVM_CAP_ONE_REG */
1476#define KVM_GET_ONE_REG _IOW(KVMIO, 0xab, struct kvm_one_reg)
1477#define KVM_SET_ONE_REG _IOW(KVMIO, 0xac, struct kvm_one_reg)
1478/* VM is being stopped by host */
1479#define KVM_KVMCLOCK_CTRL _IO(KVMIO, 0xad)
1480#define KVM_ARM_VCPU_INIT _IOW(KVMIO, 0xae, struct kvm_vcpu_init)
1481#define KVM_ARM_PREFERRED_TARGET _IOR(KVMIO, 0xaf, struct kvm_vcpu_init)
1482#define KVM_GET_REG_LIST _IOWR(KVMIO, 0xb0, struct kvm_reg_list)
1483/* Available with KVM_CAP_S390_MEM_OP */
1484#define KVM_S390_MEM_OP _IOW(KVMIO, 0xb1, struct kvm_s390_mem_op)
1485/* Available with KVM_CAP_S390_SKEYS */
1486#define KVM_S390_GET_SKEYS _IOW(KVMIO, 0xb2, struct kvm_s390_skeys)
1487#define KVM_S390_SET_SKEYS _IOW(KVMIO, 0xb3, struct kvm_s390_skeys)
1488/* Available with KVM_CAP_S390_INJECT_IRQ */
1489#define KVM_S390_IRQ _IOW(KVMIO, 0xb4, struct kvm_s390_irq)
1490/* Available with KVM_CAP_S390_IRQ_STATE */
1491#define KVM_S390_SET_IRQ_STATE _IOW(KVMIO, 0xb5, struct kvm_s390_irq_state)
1492#define KVM_S390_GET_IRQ_STATE _IOW(KVMIO, 0xb6, struct kvm_s390_irq_state)
1493/* Available with KVM_CAP_X86_SMM */
1494#define KVM_SMI _IO(KVMIO, 0xb7)
1495/* Available with KVM_CAP_S390_CMMA_MIGRATION */
1496#define KVM_S390_GET_CMMA_BITS _IOWR(KVMIO, 0xb8, struct kvm_s390_cmma_log)
1497#define KVM_S390_SET_CMMA_BITS _IOW(KVMIO, 0xb9, struct kvm_s390_cmma_log)
1498/* Memory Encryption Commands */
1499#define KVM_MEMORY_ENCRYPT_OP _IOWR(KVMIO, 0xba, unsigned long)
1500
1501struct kvm_enc_region {
1502 __u64 addr;
1503 __u64 size;
1504};
1505
1506#define KVM_MEMORY_ENCRYPT_REG_REGION _IOR(KVMIO, 0xbb, struct kvm_enc_region)
1507#define KVM_MEMORY_ENCRYPT_UNREG_REGION _IOR(KVMIO, 0xbc, struct kvm_enc_region)
1508
1509/* Available with KVM_CAP_HYPERV_EVENTFD */
1510#define KVM_HYPERV_EVENTFD _IOW(KVMIO, 0xbd, struct kvm_hyperv_eventfd)
1511
1512/* Available with KVM_CAP_NESTED_STATE */
1513#define KVM_GET_NESTED_STATE _IOWR(KVMIO, 0xbe, struct kvm_nested_state)
1514#define KVM_SET_NESTED_STATE _IOW(KVMIO, 0xbf, struct kvm_nested_state)
1515
1516/* Available with KVM_CAP_MANUAL_DIRTY_LOG_PROTECT_2 */
1517#define KVM_CLEAR_DIRTY_LOG _IOWR(KVMIO, 0xc0, struct kvm_clear_dirty_log)
1518
1519/* Available with KVM_CAP_HYPERV_CPUID (vcpu) / KVM_CAP_SYS_HYPERV_CPUID (system) */
1520#define KVM_GET_SUPPORTED_HV_CPUID _IOWR(KVMIO, 0xc1, struct kvm_cpuid2)
1521
1522/* Available with KVM_CAP_ARM_SVE */
1523#define KVM_ARM_VCPU_FINALIZE _IOW(KVMIO, 0xc2, int)
1524
1525/* Available with KVM_CAP_S390_VCPU_RESETS */
1526#define KVM_S390_NORMAL_RESET _IO(KVMIO, 0xc3)
1527#define KVM_S390_CLEAR_RESET _IO(KVMIO, 0xc4)
1528
1529struct kvm_s390_pv_sec_parm {
1530 __u64 origin;
1531 __u64 length;
1532};
1533
1534struct kvm_s390_pv_unp {
1535 __u64 addr;
1536 __u64 size;
1537 __u64 tweak;
1538};
1539
1540enum pv_cmd_id {
1541 KVM_PV_ENABLE,
1542 KVM_PV_DISABLE,
1543 KVM_PV_SET_SEC_PARMS,
1544 KVM_PV_UNPACK,
1545 KVM_PV_VERIFY,
1546 KVM_PV_PREP_RESET,
1547 KVM_PV_UNSHARE_ALL,
1548};
1549
1550struct kvm_pv_cmd {
1551 __u32 cmd; /* Command to be executed */
1552 __u16 rc; /* Ultravisor return code */
1553 __u16 rrc; /* Ultravisor return reason code */
1554 __u64 data; /* Data or address */
1555 __u32 flags; /* flags for future extensions. Must be 0 for now */
1556 __u32 reserved[3];
1557};
1558
1559/* Available with KVM_CAP_S390_PROTECTED */
1560#define KVM_S390_PV_COMMAND _IOWR(KVMIO, 0xc5, struct kvm_pv_cmd)
1561
1562/* Available with KVM_CAP_X86_MSR_FILTER */
1563#define KVM_X86_SET_MSR_FILTER _IOW(KVMIO, 0xc6, struct kvm_msr_filter)
1564
1565/* Available with KVM_CAP_DIRTY_LOG_RING */
1566#define KVM_RESET_DIRTY_RINGS _IO(KVMIO, 0xc7)
1567
1568/* Secure Encrypted Virtualization command */
1569enum sev_cmd_id {
1570 /* Guest initialization commands */
1571 KVM_SEV_INIT = 0,
1572 KVM_SEV_ES_INIT,
1573 /* Guest launch commands */
1574 KVM_SEV_LAUNCH_START,
1575 KVM_SEV_LAUNCH_UPDATE_DATA,
1576 KVM_SEV_LAUNCH_UPDATE_VMSA,
1577 KVM_SEV_LAUNCH_SECRET,
1578 KVM_SEV_LAUNCH_MEASURE,
1579 KVM_SEV_LAUNCH_FINISH,
1580 /* Guest migration commands (outgoing) */
1581 KVM_SEV_SEND_START,
1582 KVM_SEV_SEND_UPDATE_DATA,
1583 KVM_SEV_SEND_UPDATE_VMSA,
1584 KVM_SEV_SEND_FINISH,
1585 /* Guest migration commands (incoming) */
1586 KVM_SEV_RECEIVE_START,
1587 KVM_SEV_RECEIVE_UPDATE_DATA,
1588 KVM_SEV_RECEIVE_UPDATE_VMSA,
1589 KVM_SEV_RECEIVE_FINISH,
1590 /* Guest status and debug commands */
1591 KVM_SEV_GUEST_STATUS,
1592 KVM_SEV_DBG_DECRYPT,
1593 KVM_SEV_DBG_ENCRYPT,
1594 /* Guest certificates commands */
1595 KVM_SEV_CERT_EXPORT,
1596
1597 KVM_SEV_NR_MAX,
1598};
1599
1600struct kvm_sev_cmd {
1601 __u32 id;
1602 __u64 data;
1603 __u32 error;
1604 __u32 sev_fd;
1605};
1606
1607struct kvm_sev_launch_start {
1608 __u32 handle;
1609 __u32 policy;
1610 __u64 dh_uaddr;
1611 __u32 dh_len;
1612 __u64 session_uaddr;
1613 __u32 session_len;
1614};
1615
1616struct kvm_sev_launch_update_data {
1617 __u64 uaddr;
1618 __u32 len;
1619};
1620
1621
1622struct kvm_sev_launch_secret {
1623 __u64 hdr_uaddr;
1624 __u32 hdr_len;
1625 __u64 guest_uaddr;
1626 __u32 guest_len;
1627 __u64 trans_uaddr;
1628 __u32 trans_len;
1629};
1630
1631struct kvm_sev_launch_measure {
1632 __u64 uaddr;
1633 __u32 len;
1634};
1635
1636struct kvm_sev_guest_status {
1637 __u32 handle;
1638 __u32 policy;
1639 __u32 state;
1640};
1641
1642struct kvm_sev_dbg {
1643 __u64 src_uaddr;
1644 __u64 dst_uaddr;
1645 __u32 len;
1646};
1647
1648#define KVM_DEV_ASSIGN_ENABLE_IOMMU (1 << 0)
1649#define KVM_DEV_ASSIGN_PCI_2_3 (1 << 1)
1650#define KVM_DEV_ASSIGN_MASK_INTX (1 << 2)
1651
1652struct kvm_assigned_pci_dev {
1653 __u32 assigned_dev_id;
1654 __u32 busnr;
1655 __u32 devfn;
1656 __u32 flags;
1657 __u32 segnr;
1658 union {
1659 __u32 reserved[11];
1660 };
1661};
1662
1663#define KVM_DEV_IRQ_HOST_INTX (1 << 0)
1664#define KVM_DEV_IRQ_HOST_MSI (1 << 1)
1665#define KVM_DEV_IRQ_HOST_MSIX (1 << 2)
1666
1667#define KVM_DEV_IRQ_GUEST_INTX (1 << 8)
1668#define KVM_DEV_IRQ_GUEST_MSI (1 << 9)
1669#define KVM_DEV_IRQ_GUEST_MSIX (1 << 10)
1670
1671#define KVM_DEV_IRQ_HOST_MASK 0x00ff
1672#define KVM_DEV_IRQ_GUEST_MASK 0xff00
1673
1674struct kvm_assigned_irq {
1675 __u32 assigned_dev_id;
1676 __u32 host_irq; /* ignored (legacy field) */
1677 __u32 guest_irq;
1678 __u32 flags;
1679 union {
1680 __u32 reserved[12];
1681 };
1682};
1683
1684struct kvm_assigned_msix_nr {
1685 __u32 assigned_dev_id;
1686 __u16 entry_nr;
1687 __u16 padding;
1688};
1689
1690#define KVM_MAX_MSIX_PER_DEV 256
1691struct kvm_assigned_msix_entry {
1692 __u32 assigned_dev_id;
1693 __u32 gsi;
1694 __u16 entry; /* The index of entry in the MSI-X table */
1695 __u16 padding[3];
1696};
1697
1698#define KVM_X2APIC_API_USE_32BIT_IDS (1ULL << 0)
1699#define KVM_X2APIC_API_DISABLE_BROADCAST_QUIRK (1ULL << 1)
1700
1701/* Available with KVM_CAP_ARM_USER_IRQ */
1702
1703/* Bits for run->s.regs.device_irq_level */
1704#define KVM_ARM_DEV_EL1_VTIMER (1 << 0)
1705#define KVM_ARM_DEV_EL1_PTIMER (1 << 1)
1706#define KVM_ARM_DEV_PMU (1 << 2)
1707
1708struct kvm_hyperv_eventfd {
1709 __u32 conn_id;
1710 __s32 fd;
1711 __u32 flags;
1712 __u32 padding[3];
1713};
1714
1715#define KVM_HYPERV_CONN_ID_MASK 0x00ffffff
1716#define KVM_HYPERV_EVENTFD_DEASSIGN (1 << 0)
1717
1718#define KVM_DIRTY_LOG_MANUAL_PROTECT_ENABLE (1 << 0)
1719#define KVM_DIRTY_LOG_INITIALLY_SET (1 << 1)
1720
1721/*
1722 * Arch needs to define the macro after implementing the dirty ring
1723 * feature. KVM_DIRTY_LOG_PAGE_OFFSET should be defined as the
1724 * starting page offset of the dirty ring structures.
1725 */
1726#ifndef KVM_DIRTY_LOG_PAGE_OFFSET
1727#define KVM_DIRTY_LOG_PAGE_OFFSET 0
1728#endif
1729
1730/*
1731 * KVM dirty GFN flags, defined as:
1732 *
1733 * |---------------+---------------+--------------|
1734 * | bit 1 (reset) | bit 0 (dirty) | Status |
1735 * |---------------+---------------+--------------|
1736 * | 0 | 0 | Invalid GFN |
1737 * | 0 | 1 | Dirty GFN |
1738 * | 1 | X | GFN to reset |
1739 * |---------------+---------------+--------------|
1740 *
1741 * Lifecycle of a dirty GFN goes like:
1742 *
1743 * dirtied harvested reset
1744 * 00 -----------> 01 -------------> 1X -------+
1745 * ^ |
1746 * | |
1747 * +------------------------------------------+
1748 *
1749 * The userspace program is only responsible for the 01->1X state
1750 * conversion after harvesting an entry. Also, it must not skip any
1751 * dirty bits, so that dirty bits are always harvested in sequence.
1752 */
1753#define KVM_DIRTY_GFN_F_DIRTY BIT(0)
1754#define KVM_DIRTY_GFN_F_RESET BIT(1)
1755#define KVM_DIRTY_GFN_F_MASK 0x3
1756
1757/*
1758 * KVM dirty rings should be mapped at KVM_DIRTY_LOG_PAGE_OFFSET of
1759 * per-vcpu mmaped regions as an array of struct kvm_dirty_gfn. The
1760 * size of the gfn buffer is decided by the first argument when
1761 * enabling KVM_CAP_DIRTY_LOG_RING.
1762 */
1763struct kvm_dirty_gfn {
1764 __u32 flags;
1765 __u32 slot;
1766 __u64 offset;
1767};
1768
1769#endif /* __LINUX_KVM_H */