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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/const.h>
12 #include <linux/types.h>
13
14 #include <linux/ioctl.h>
15 #include <asm/kvm.h>
16
17 #define KVM_API_VERSION 12
18
19 /* *** Deprecated interfaces *** */
20
21 #define KVM_TRC_SHIFT 16
22
23 #define KVM_TRC_ENTRYEXIT (1 << KVM_TRC_SHIFT)
24 #define KVM_TRC_HANDLER (1 << (KVM_TRC_SHIFT + 1))
25
26 #define KVM_TRC_VMENTRY (KVM_TRC_ENTRYEXIT + 0x01)
27 #define KVM_TRC_VMEXIT (KVM_TRC_ENTRYEXIT + 0x02)
28 #define KVM_TRC_PAGE_FAULT (KVM_TRC_HANDLER + 0x01)
29
30 #define KVM_TRC_HEAD_SIZE 12
31 #define KVM_TRC_CYCLE_SIZE 8
32 #define KVM_TRC_EXTRA_MAX 7
33
34 #define KVM_TRC_INJ_VIRQ (KVM_TRC_HANDLER + 0x02)
35 #define KVM_TRC_REDELIVER_EVT (KVM_TRC_HANDLER + 0x03)
36 #define KVM_TRC_PEND_INTR (KVM_TRC_HANDLER + 0x04)
37 #define KVM_TRC_IO_READ (KVM_TRC_HANDLER + 0x05)
38 #define KVM_TRC_IO_WRITE (KVM_TRC_HANDLER + 0x06)
39 #define KVM_TRC_CR_READ (KVM_TRC_HANDLER + 0x07)
40 #define KVM_TRC_CR_WRITE (KVM_TRC_HANDLER + 0x08)
41 #define KVM_TRC_DR_READ (KVM_TRC_HANDLER + 0x09)
42 #define KVM_TRC_DR_WRITE (KVM_TRC_HANDLER + 0x0A)
43 #define KVM_TRC_MSR_READ (KVM_TRC_HANDLER + 0x0B)
44 #define KVM_TRC_MSR_WRITE (KVM_TRC_HANDLER + 0x0C)
45 #define KVM_TRC_CPUID (KVM_TRC_HANDLER + 0x0D)
46 #define KVM_TRC_INTR (KVM_TRC_HANDLER + 0x0E)
47 #define KVM_TRC_NMI (KVM_TRC_HANDLER + 0x0F)
48 #define KVM_TRC_VMMCALL (KVM_TRC_HANDLER + 0x10)
49 #define KVM_TRC_HLT (KVM_TRC_HANDLER + 0x11)
50 #define KVM_TRC_CLTS (KVM_TRC_HANDLER + 0x12)
51 #define KVM_TRC_LMSW (KVM_TRC_HANDLER + 0x13)
52 #define KVM_TRC_APIC_ACCESS (KVM_TRC_HANDLER + 0x14)
53 #define KVM_TRC_TDP_FAULT (KVM_TRC_HANDLER + 0x15)
54 #define KVM_TRC_GTLB_WRITE (KVM_TRC_HANDLER + 0x16)
55 #define KVM_TRC_STLB_WRITE (KVM_TRC_HANDLER + 0x17)
56 #define KVM_TRC_STLB_INVAL (KVM_TRC_HANDLER + 0x18)
57 #define KVM_TRC_PPC_INSTR (KVM_TRC_HANDLER + 0x19)
58
59 struct kvm_user_trace_setup {
60 __u32 buf_size;
61 __u32 buf_nr;
62 };
63
64 #define __KVM_DEPRECATED_MAIN_W_0x06 \
65 _IOW(KVMIO, 0x06, struct kvm_user_trace_setup)
66 #define __KVM_DEPRECATED_MAIN_0x07 _IO(KVMIO, 0x07)
67 #define __KVM_DEPRECATED_MAIN_0x08 _IO(KVMIO, 0x08)
68
69 #define __KVM_DEPRECATED_VM_R_0x70 _IOR(KVMIO, 0x70, struct kvm_assigned_irq)
70
71 struct kvm_breakpoint {
72 __u32 enabled;
73 __u32 padding;
74 __u64 address;
75 };
76
77 struct kvm_debug_guest {
78 __u32 enabled;
79 __u32 pad;
80 struct kvm_breakpoint breakpoints[4];
81 __u32 singlestep;
82 };
83
84 #define __KVM_DEPRECATED_VCPU_W_0x87 _IOW(KVMIO, 0x87, struct kvm_debug_guest)
85
86 /* *** End of deprecated interfaces *** */
87
88
89 /* for KVM_CREATE_MEMORY_REGION */
90 struct kvm_memory_region {
91 __u32 slot;
92 __u32 flags;
93 __u64 guest_phys_addr;
94 __u64 memory_size; /* bytes */
95 };
96
97 /* for KVM_SET_USER_MEMORY_REGION */
98 struct kvm_userspace_memory_region {
99 __u32 slot;
100 __u32 flags;
101 __u64 guest_phys_addr;
102 __u64 memory_size; /* bytes */
103 __u64 userspace_addr; /* start of the userspace allocated memory */
104 };
105
106 /*
107 * The bit 0 ~ bit 15 of kvm_memory_region::flags are visible for userspace,
108 * other bits are reserved for kvm internal use which are defined in
109 * include/linux/kvm_host.h.
110 */
111 #define KVM_MEM_LOG_DIRTY_PAGES (1UL << 0)
112 #define KVM_MEM_READONLY (1UL << 1)
113
114 /* for KVM_IRQ_LINE */
115 struct kvm_irq_level {
116 /*
117 * ACPI gsi notion of irq.
118 * For IA-64 (APIC model) IOAPIC0: irq 0-23; IOAPIC1: irq 24-47..
119 * For X86 (standard AT mode) PIC0/1: irq 0-15. IOAPIC0: 0-23..
120 * For ARM: See Documentation/virt/kvm/api.rst
121 */
122 union {
123 __u32 irq;
124 __s32 status;
125 };
126 __u32 level;
127 };
128
129
130 struct kvm_irqchip {
131 __u32 chip_id;
132 __u32 pad;
133 union {
134 char dummy[512]; /* reserving space */
135 #ifdef __KVM_HAVE_PIT
136 struct kvm_pic_state pic;
137 #endif
138 #ifdef __KVM_HAVE_IOAPIC
139 struct kvm_ioapic_state ioapic;
140 #endif
141 } chip;
142 };
143
144 /* for KVM_CREATE_PIT2 */
145 struct kvm_pit_config {
146 __u32 flags;
147 __u32 pad[15];
148 };
149
150 #define KVM_PIT_SPEAKER_DUMMY 1
151
152 struct kvm_s390_skeys {
153 __u64 start_gfn;
154 __u64 count;
155 __u64 skeydata_addr;
156 __u32 flags;
157 __u32 reserved[9];
158 };
159
160 #define KVM_S390_CMMA_PEEK (1 << 0)
161
162 /**
163 * kvm_s390_cmma_log - Used for CMMA migration.
164 *
165 * Used both for input and output.
166 *
167 * @start_gfn: Guest page number to start from.
168 * @count: Size of the result buffer.
169 * @flags: Control operation mode via KVM_S390_CMMA_* flags
170 * @remaining: Used with KVM_S390_GET_CMMA_BITS. Indicates how many dirty
171 * pages are still remaining.
172 * @mask: Used with KVM_S390_SET_CMMA_BITS. Bitmap of bits to actually set
173 * in the PGSTE.
174 * @values: Pointer to the values buffer.
175 *
176 * Used in KVM_S390_{G,S}ET_CMMA_BITS ioctls.
177 */
178 struct kvm_s390_cmma_log {
179 __u64 start_gfn;
180 __u32 count;
181 __u32 flags;
182 union {
183 __u64 remaining;
184 __u64 mask;
185 };
186 __u64 values;
187 };
188
189 struct kvm_hyperv_exit {
190 #define KVM_EXIT_HYPERV_SYNIC 1
191 #define KVM_EXIT_HYPERV_HCALL 2
192 #define KVM_EXIT_HYPERV_SYNDBG 3
193 __u32 type;
194 __u32 pad1;
195 union {
196 struct {
197 __u32 msr;
198 __u32 pad2;
199 __u64 control;
200 __u64 evt_page;
201 __u64 msg_page;
202 } synic;
203 struct {
204 __u64 input;
205 __u64 result;
206 __u64 params[2];
207 } hcall;
208 struct {
209 __u32 msr;
210 __u32 pad2;
211 __u64 control;
212 __u64 status;
213 __u64 send_page;
214 __u64 recv_page;
215 __u64 pending_page;
216 } syndbg;
217 } u;
218 };
219
220 struct kvm_xen_exit {
221 #define KVM_EXIT_XEN_HCALL 1
222 __u32 type;
223 union {
224 struct {
225 __u32 longmode;
226 __u32 cpl;
227 __u64 input;
228 __u64 result;
229 __u64 params[6];
230 } hcall;
231 } u;
232 };
233
234 #define KVM_S390_GET_SKEYS_NONE 1
235 #define KVM_S390_SKEYS_MAX 1048576
236
237 #define KVM_EXIT_UNKNOWN 0
238 #define KVM_EXIT_EXCEPTION 1
239 #define KVM_EXIT_IO 2
240 #define KVM_EXIT_HYPERCALL 3
241 #define KVM_EXIT_DEBUG 4
242 #define KVM_EXIT_HLT 5
243 #define KVM_EXIT_MMIO 6
244 #define KVM_EXIT_IRQ_WINDOW_OPEN 7
245 #define KVM_EXIT_SHUTDOWN 8
246 #define KVM_EXIT_FAIL_ENTRY 9
247 #define KVM_EXIT_INTR 10
248 #define KVM_EXIT_SET_TPR 11
249 #define KVM_EXIT_TPR_ACCESS 12
250 #define KVM_EXIT_S390_SIEIC 13
251 #define KVM_EXIT_S390_RESET 14
252 #define KVM_EXIT_DCR 15 /* deprecated */
253 #define KVM_EXIT_NMI 16
254 #define KVM_EXIT_INTERNAL_ERROR 17
255 #define KVM_EXIT_OSI 18
256 #define KVM_EXIT_PAPR_HCALL 19
257 #define KVM_EXIT_S390_UCONTROL 20
258 #define KVM_EXIT_WATCHDOG 21
259 #define KVM_EXIT_S390_TSCH 22
260 #define KVM_EXIT_EPR 23
261 #define KVM_EXIT_SYSTEM_EVENT 24
262 #define KVM_EXIT_S390_STSI 25
263 #define KVM_EXIT_IOAPIC_EOI 26
264 #define KVM_EXIT_HYPERV 27
265 #define KVM_EXIT_ARM_NISV 28
266 #define KVM_EXIT_X86_RDMSR 29
267 #define KVM_EXIT_X86_WRMSR 30
268 #define KVM_EXIT_DIRTY_RING_FULL 31
269 #define KVM_EXIT_AP_RESET_HOLD 32
270 #define KVM_EXIT_X86_BUS_LOCK 33
271 #define KVM_EXIT_XEN 34
272
273 /* For KVM_EXIT_INTERNAL_ERROR */
274 /* Emulate instruction failed. */
275 #define KVM_INTERNAL_ERROR_EMULATION 1
276 /* Encounter unexpected simultaneous exceptions. */
277 #define KVM_INTERNAL_ERROR_SIMUL_EX 2
278 /* Encounter unexpected vm-exit due to delivery event. */
279 #define KVM_INTERNAL_ERROR_DELIVERY_EV 3
280 /* Encounter unexpected vm-exit reason */
281 #define KVM_INTERNAL_ERROR_UNEXPECTED_EXIT_REASON 4
282
283 /* Flags that describe what fields in emulation_failure hold valid data. */
284 #define KVM_INTERNAL_ERROR_EMULATION_FLAG_INSTRUCTION_BYTES (1ULL << 0)
285
286 /* for KVM_RUN, returned by mmap(vcpu_fd, offset=0) */
287 struct kvm_run {
288 /* in */
289 __u8 request_interrupt_window;
290 __u8 immediate_exit;
291 __u8 padding1[6];
292
293 /* out */
294 __u32 exit_reason;
295 __u8 ready_for_interrupt_injection;
296 __u8 if_flag;
297 __u16 flags;
298
299 /* in (pre_kvm_run), out (post_kvm_run) */
300 __u64 cr8;
301 __u64 apic_base;
302
303 #ifdef __KVM_S390
304 /* the processor status word for s390 */
305 __u64 psw_mask; /* psw upper half */
306 __u64 psw_addr; /* psw lower half */
307 #endif
308 union {
309 /* KVM_EXIT_UNKNOWN */
310 struct {
311 __u64 hardware_exit_reason;
312 } hw;
313 /* KVM_EXIT_FAIL_ENTRY */
314 struct {
315 __u64 hardware_entry_failure_reason;
316 __u32 cpu;
317 } fail_entry;
318 /* KVM_EXIT_EXCEPTION */
319 struct {
320 __u32 exception;
321 __u32 error_code;
322 } ex;
323 /* KVM_EXIT_IO */
324 struct {
325 #define KVM_EXIT_IO_IN 0
326 #define KVM_EXIT_IO_OUT 1
327 __u8 direction;
328 __u8 size; /* bytes */
329 __u16 port;
330 __u32 count;
331 __u64 data_offset; /* relative to kvm_run start */
332 } io;
333 /* KVM_EXIT_DEBUG */
334 struct {
335 struct kvm_debug_exit_arch arch;
336 } debug;
337 /* KVM_EXIT_MMIO */
338 struct {
339 __u64 phys_addr;
340 __u8 data[8];
341 __u32 len;
342 __u8 is_write;
343 } mmio;
344 /* KVM_EXIT_HYPERCALL */
345 struct {
346 __u64 nr;
347 __u64 args[6];
348 __u64 ret;
349 __u32 longmode;
350 __u32 pad;
351 } hypercall;
352 /* KVM_EXIT_TPR_ACCESS */
353 struct {
354 __u64 rip;
355 __u32 is_write;
356 __u32 pad;
357 } tpr_access;
358 /* KVM_EXIT_S390_SIEIC */
359 struct {
360 __u8 icptcode;
361 __u16 ipa;
362 __u32 ipb;
363 } s390_sieic;
364 /* KVM_EXIT_S390_RESET */
365 #define KVM_S390_RESET_POR 1
366 #define KVM_S390_RESET_CLEAR 2
367 #define KVM_S390_RESET_SUBSYSTEM 4
368 #define KVM_S390_RESET_CPU_INIT 8
369 #define KVM_S390_RESET_IPL 16
370 __u64 s390_reset_flags;
371 /* KVM_EXIT_S390_UCONTROL */
372 struct {
373 __u64 trans_exc_code;
374 __u32 pgm_code;
375 } s390_ucontrol;
376 /* KVM_EXIT_DCR (deprecated) */
377 struct {
378 __u32 dcrn;
379 __u32 data;
380 __u8 is_write;
381 } dcr;
382 /* KVM_EXIT_INTERNAL_ERROR */
383 struct {
384 __u32 suberror;
385 /* Available with KVM_CAP_INTERNAL_ERROR_DATA: */
386 __u32 ndata;
387 __u64 data[16];
388 } internal;
389 /*
390 * KVM_INTERNAL_ERROR_EMULATION
391 *
392 * "struct emulation_failure" is an overlay of "struct internal"
393 * that is used for the KVM_INTERNAL_ERROR_EMULATION sub-type of
394 * KVM_EXIT_INTERNAL_ERROR. Note, unlike other internal error
395 * sub-types, this struct is ABI! It also needs to be backwards
396 * compatible with "struct internal". Take special care that
397 * "ndata" is correct, that new fields are enumerated in "flags",
398 * and that each flag enumerates fields that are 64-bit aligned
399 * and sized (so that ndata+internal.data[] is valid/accurate).
400 */
401 struct {
402 __u32 suberror;
403 __u32 ndata;
404 __u64 flags;
405 __u8 insn_size;
406 __u8 insn_bytes[15];
407 } emulation_failure;
408 /* KVM_EXIT_OSI */
409 struct {
410 __u64 gprs[32];
411 } osi;
412 /* KVM_EXIT_PAPR_HCALL */
413 struct {
414 __u64 nr;
415 __u64 ret;
416 __u64 args[9];
417 } papr_hcall;
418 /* KVM_EXIT_S390_TSCH */
419 struct {
420 __u16 subchannel_id;
421 __u16 subchannel_nr;
422 __u32 io_int_parm;
423 __u32 io_int_word;
424 __u32 ipb;
425 __u8 dequeued;
426 } s390_tsch;
427 /* KVM_EXIT_EPR */
428 struct {
429 __u32 epr;
430 } epr;
431 /* KVM_EXIT_SYSTEM_EVENT */
432 struct {
433 #define KVM_SYSTEM_EVENT_SHUTDOWN 1
434 #define KVM_SYSTEM_EVENT_RESET 2
435 #define KVM_SYSTEM_EVENT_CRASH 3
436 __u32 type;
437 __u64 flags;
438 } system_event;
439 /* KVM_EXIT_S390_STSI */
440 struct {
441 __u64 addr;
442 __u8 ar;
443 __u8 reserved;
444 __u8 fc;
445 __u8 sel1;
446 __u16 sel2;
447 } s390_stsi;
448 /* KVM_EXIT_IOAPIC_EOI */
449 struct {
450 __u8 vector;
451 } eoi;
452 /* KVM_EXIT_HYPERV */
453 struct kvm_hyperv_exit hyperv;
454 /* KVM_EXIT_ARM_NISV */
455 struct {
456 __u64 esr_iss;
457 __u64 fault_ipa;
458 } arm_nisv;
459 /* KVM_EXIT_X86_RDMSR / KVM_EXIT_X86_WRMSR */
460 struct {
461 __u8 error; /* user -> kernel */
462 __u8 pad[7];
463 #define KVM_MSR_EXIT_REASON_INVAL (1 << 0)
464 #define KVM_MSR_EXIT_REASON_UNKNOWN (1 << 1)
465 #define KVM_MSR_EXIT_REASON_FILTER (1 << 2)
466 __u32 reason; /* kernel -> user */
467 __u32 index; /* kernel -> user */
468 __u64 data; /* kernel <-> user */
469 } msr;
470 /* KVM_EXIT_XEN */
471 struct kvm_xen_exit xen;
472 /* Fix the size of the union. */
473 char padding[256];
474 };
475
476 /* 2048 is the size of the char array used to bound/pad the size
477 * of the union that holds sync regs.
478 */
479 #define SYNC_REGS_SIZE_BYTES 2048
480 /*
481 * shared registers between kvm and userspace.
482 * kvm_valid_regs specifies the register classes set by the host
483 * kvm_dirty_regs specified the register classes dirtied by userspace
484 * struct kvm_sync_regs is architecture specific, as well as the
485 * bits for kvm_valid_regs and kvm_dirty_regs
486 */
487 __u64 kvm_valid_regs;
488 __u64 kvm_dirty_regs;
489 union {
490 struct kvm_sync_regs regs;
491 char padding[SYNC_REGS_SIZE_BYTES];
492 } s;
493 };
494
495 /* for KVM_REGISTER_COALESCED_MMIO / KVM_UNREGISTER_COALESCED_MMIO */
496
497 struct kvm_coalesced_mmio_zone {
498 __u64 addr;
499 __u32 size;
500 union {
501 __u32 pad;
502 __u32 pio;
503 };
504 };
505
506 struct kvm_coalesced_mmio {
507 __u64 phys_addr;
508 __u32 len;
509 union {
510 __u32 pad;
511 __u32 pio;
512 };
513 __u8 data[8];
514 };
515
516 struct kvm_coalesced_mmio_ring {
517 __u32 first, last;
518 struct kvm_coalesced_mmio coalesced_mmio[0];
519 };
520
521 #define KVM_COALESCED_MMIO_MAX \
522 ((PAGE_SIZE - sizeof(struct kvm_coalesced_mmio_ring)) / \
523 sizeof(struct kvm_coalesced_mmio))
524
525 /* for KVM_TRANSLATE */
526 struct kvm_translation {
527 /* in */
528 __u64 linear_address;
529
530 /* out */
531 __u64 physical_address;
532 __u8 valid;
533 __u8 writeable;
534 __u8 usermode;
535 __u8 pad[5];
536 };
537
538 /* for KVM_S390_MEM_OP */
539 struct kvm_s390_mem_op {
540 /* in */
541 __u64 gaddr; /* the guest address */
542 __u64 flags; /* flags */
543 __u32 size; /* amount of bytes */
544 __u32 op; /* type of operation */
545 __u64 buf; /* buffer in userspace */
546 union {
547 __u8 ar; /* the access register number */
548 __u32 sida_offset; /* offset into the sida */
549 __u8 reserved[32]; /* should be set to 0 */
550 };
551 };
552 /* types for kvm_s390_mem_op->op */
553 #define KVM_S390_MEMOP_LOGICAL_READ 0
554 #define KVM_S390_MEMOP_LOGICAL_WRITE 1
555 #define KVM_S390_MEMOP_SIDA_READ 2
556 #define KVM_S390_MEMOP_SIDA_WRITE 3
557 /* flags for kvm_s390_mem_op->flags */
558 #define KVM_S390_MEMOP_F_CHECK_ONLY (1ULL << 0)
559 #define KVM_S390_MEMOP_F_INJECT_EXCEPTION (1ULL << 1)
560
561 /* for KVM_INTERRUPT */
562 struct kvm_interrupt {
563 /* in */
564 __u32 irq;
565 };
566
567 /* for KVM_GET_DIRTY_LOG */
568 struct kvm_dirty_log {
569 __u32 slot;
570 __u32 padding1;
571 union {
572 void *dirty_bitmap; /* one bit per page */
573 __u64 padding2;
574 };
575 };
576
577 /* for KVM_CLEAR_DIRTY_LOG */
578 struct kvm_clear_dirty_log {
579 __u32 slot;
580 __u32 num_pages;
581 __u64 first_page;
582 union {
583 void *dirty_bitmap; /* one bit per page */
584 __u64 padding2;
585 };
586 };
587
588 /* for KVM_SET_SIGNAL_MASK */
589 struct kvm_signal_mask {
590 __u32 len;
591 __u8 sigset[0];
592 };
593
594 /* for KVM_TPR_ACCESS_REPORTING */
595 struct kvm_tpr_access_ctl {
596 __u32 enabled;
597 __u32 flags;
598 __u32 reserved[8];
599 };
600
601 /* for KVM_SET_VAPIC_ADDR */
602 struct kvm_vapic_addr {
603 __u64 vapic_addr;
604 };
605
606 /* for KVM_SET_MP_STATE */
607
608 /* not all states are valid on all architectures */
609 #define KVM_MP_STATE_RUNNABLE 0
610 #define KVM_MP_STATE_UNINITIALIZED 1
611 #define KVM_MP_STATE_INIT_RECEIVED 2
612 #define KVM_MP_STATE_HALTED 3
613 #define KVM_MP_STATE_SIPI_RECEIVED 4
614 #define KVM_MP_STATE_STOPPED 5
615 #define KVM_MP_STATE_CHECK_STOP 6
616 #define KVM_MP_STATE_OPERATING 7
617 #define KVM_MP_STATE_LOAD 8
618 #define KVM_MP_STATE_AP_RESET_HOLD 9
619
620 struct kvm_mp_state {
621 __u32 mp_state;
622 };
623
624 struct kvm_s390_psw {
625 __u64 mask;
626 __u64 addr;
627 };
628
629 /* valid values for type in kvm_s390_interrupt */
630 #define KVM_S390_SIGP_STOP 0xfffe0000u
631 #define KVM_S390_PROGRAM_INT 0xfffe0001u
632 #define KVM_S390_SIGP_SET_PREFIX 0xfffe0002u
633 #define KVM_S390_RESTART 0xfffe0003u
634 #define KVM_S390_INT_PFAULT_INIT 0xfffe0004u
635 #define KVM_S390_INT_PFAULT_DONE 0xfffe0005u
636 #define KVM_S390_MCHK 0xfffe1000u
637 #define KVM_S390_INT_CLOCK_COMP 0xffff1004u
638 #define KVM_S390_INT_CPU_TIMER 0xffff1005u
639 #define KVM_S390_INT_VIRTIO 0xffff2603u
640 #define KVM_S390_INT_SERVICE 0xffff2401u
641 #define KVM_S390_INT_EMERGENCY 0xffff1201u
642 #define KVM_S390_INT_EXTERNAL_CALL 0xffff1202u
643 /* Anything below 0xfffe0000u is taken by INT_IO */
644 #define KVM_S390_INT_IO(ai,cssid,ssid,schid) \
645 (((schid)) | \
646 ((ssid) << 16) | \
647 ((cssid) << 18) | \
648 ((ai) << 26))
649 #define KVM_S390_INT_IO_MIN 0x00000000u
650 #define KVM_S390_INT_IO_MAX 0xfffdffffu
651 #define KVM_S390_INT_IO_AI_MASK 0x04000000u
652
653
654 struct kvm_s390_interrupt {
655 __u32 type;
656 __u32 parm;
657 __u64 parm64;
658 };
659
660 struct kvm_s390_io_info {
661 __u16 subchannel_id;
662 __u16 subchannel_nr;
663 __u32 io_int_parm;
664 __u32 io_int_word;
665 };
666
667 struct kvm_s390_ext_info {
668 __u32 ext_params;
669 __u32 pad;
670 __u64 ext_params2;
671 };
672
673 struct kvm_s390_pgm_info {
674 __u64 trans_exc_code;
675 __u64 mon_code;
676 __u64 per_address;
677 __u32 data_exc_code;
678 __u16 code;
679 __u16 mon_class_nr;
680 __u8 per_code;
681 __u8 per_atmid;
682 __u8 exc_access_id;
683 __u8 per_access_id;
684 __u8 op_access_id;
685 #define KVM_S390_PGM_FLAGS_ILC_VALID 0x01
686 #define KVM_S390_PGM_FLAGS_ILC_0 0x02
687 #define KVM_S390_PGM_FLAGS_ILC_1 0x04
688 #define KVM_S390_PGM_FLAGS_ILC_MASK 0x06
689 #define KVM_S390_PGM_FLAGS_NO_REWIND 0x08
690 __u8 flags;
691 __u8 pad[2];
692 };
693
694 struct kvm_s390_prefix_info {
695 __u32 address;
696 };
697
698 struct kvm_s390_extcall_info {
699 __u16 code;
700 };
701
702 struct kvm_s390_emerg_info {
703 __u16 code;
704 };
705
706 #define KVM_S390_STOP_FLAG_STORE_STATUS 0x01
707 struct kvm_s390_stop_info {
708 __u32 flags;
709 };
710
711 struct kvm_s390_mchk_info {
712 __u64 cr14;
713 __u64 mcic;
714 __u64 failing_storage_address;
715 __u32 ext_damage_code;
716 __u32 pad;
717 __u8 fixed_logout[16];
718 };
719
720 struct kvm_s390_irq {
721 __u64 type;
722 union {
723 struct kvm_s390_io_info io;
724 struct kvm_s390_ext_info ext;
725 struct kvm_s390_pgm_info pgm;
726 struct kvm_s390_emerg_info emerg;
727 struct kvm_s390_extcall_info extcall;
728 struct kvm_s390_prefix_info prefix;
729 struct kvm_s390_stop_info stop;
730 struct kvm_s390_mchk_info mchk;
731 char reserved[64];
732 } u;
733 };
734
735 struct kvm_s390_irq_state {
736 __u64 buf;
737 __u32 flags; /* will stay unused for compatibility reasons */
738 __u32 len;
739 __u32 reserved[4]; /* will stay unused for compatibility reasons */
740 };
741
742 /* for KVM_SET_GUEST_DEBUG */
743
744 #define KVM_GUESTDBG_ENABLE 0x00000001
745 #define KVM_GUESTDBG_SINGLESTEP 0x00000002
746
747 struct kvm_guest_debug {
748 __u32 control;
749 __u32 pad;
750 struct kvm_guest_debug_arch arch;
751 };
752
753 enum {
754 kvm_ioeventfd_flag_nr_datamatch,
755 kvm_ioeventfd_flag_nr_pio,
756 kvm_ioeventfd_flag_nr_deassign,
757 kvm_ioeventfd_flag_nr_virtio_ccw_notify,
758 kvm_ioeventfd_flag_nr_fast_mmio,
759 kvm_ioeventfd_flag_nr_max,
760 };
761
762 #define KVM_IOEVENTFD_FLAG_DATAMATCH (1 << kvm_ioeventfd_flag_nr_datamatch)
763 #define KVM_IOEVENTFD_FLAG_PIO (1 << kvm_ioeventfd_flag_nr_pio)
764 #define KVM_IOEVENTFD_FLAG_DEASSIGN (1 << kvm_ioeventfd_flag_nr_deassign)
765 #define KVM_IOEVENTFD_FLAG_VIRTIO_CCW_NOTIFY \
766 (1 << kvm_ioeventfd_flag_nr_virtio_ccw_notify)
767
768 #define KVM_IOEVENTFD_VALID_FLAG_MASK ((1 << kvm_ioeventfd_flag_nr_max) - 1)
769
770 struct kvm_ioeventfd {
771 __u64 datamatch;
772 __u64 addr; /* legal pio/mmio address */
773 __u32 len; /* 1, 2, 4, or 8 bytes; or 0 to ignore length */
774 __s32 fd;
775 __u32 flags;
776 __u8 pad[36];
777 };
778
779 #define KVM_X86_DISABLE_EXITS_MWAIT (1 << 0)
780 #define KVM_X86_DISABLE_EXITS_HLT (1 << 1)
781 #define KVM_X86_DISABLE_EXITS_PAUSE (1 << 2)
782 #define KVM_X86_DISABLE_EXITS_CSTATE (1 << 3)
783 #define KVM_X86_DISABLE_VALID_EXITS (KVM_X86_DISABLE_EXITS_MWAIT | \
784 KVM_X86_DISABLE_EXITS_HLT | \
785 KVM_X86_DISABLE_EXITS_PAUSE | \
786 KVM_X86_DISABLE_EXITS_CSTATE)
787
788 /* for KVM_ENABLE_CAP */
789 struct kvm_enable_cap {
790 /* in */
791 __u32 cap;
792 __u32 flags;
793 __u64 args[4];
794 __u8 pad[64];
795 };
796
797 /* for KVM_PPC_GET_PVINFO */
798
799 #define KVM_PPC_PVINFO_FLAGS_EV_IDLE (1<<0)
800
801 struct kvm_ppc_pvinfo {
802 /* out */
803 __u32 flags;
804 __u32 hcall[4];
805 __u8 pad[108];
806 };
807
808 /* for KVM_PPC_GET_SMMU_INFO */
809 #define KVM_PPC_PAGE_SIZES_MAX_SZ 8
810
811 struct kvm_ppc_one_page_size {
812 __u32 page_shift; /* Page shift (or 0) */
813 __u32 pte_enc; /* Encoding in the HPTE (>>12) */
814 };
815
816 struct kvm_ppc_one_seg_page_size {
817 __u32 page_shift; /* Base page shift of segment (or 0) */
818 __u32 slb_enc; /* SLB encoding for BookS */
819 struct kvm_ppc_one_page_size enc[KVM_PPC_PAGE_SIZES_MAX_SZ];
820 };
821
822 #define KVM_PPC_PAGE_SIZES_REAL 0x00000001
823 #define KVM_PPC_1T_SEGMENTS 0x00000002
824 #define KVM_PPC_NO_HASH 0x00000004
825
826 struct kvm_ppc_smmu_info {
827 __u64 flags;
828 __u32 slb_size;
829 __u16 data_keys; /* # storage keys supported for data */
830 __u16 instr_keys; /* # storage keys supported for instructions */
831 struct kvm_ppc_one_seg_page_size sps[KVM_PPC_PAGE_SIZES_MAX_SZ];
832 };
833
834 /* for KVM_PPC_RESIZE_HPT_{PREPARE,COMMIT} */
835 struct kvm_ppc_resize_hpt {
836 __u64 flags;
837 __u32 shift;
838 __u32 pad;
839 };
840
841 #define KVMIO 0xAE
842
843 /* machine type bits, to be used as argument to KVM_CREATE_VM */
844 #define KVM_VM_S390_UCONTROL 1
845
846 /* on ppc, 0 indicate default, 1 should force HV and 2 PR */
847 #define KVM_VM_PPC_HV 1
848 #define KVM_VM_PPC_PR 2
849
850 /* on MIPS, 0 indicates auto, 1 forces VZ ASE, 2 forces trap & emulate */
851 #define KVM_VM_MIPS_AUTO 0
852 #define KVM_VM_MIPS_VZ 1
853 #define KVM_VM_MIPS_TE 2
854
855 #define KVM_S390_SIE_PAGE_OFFSET 1
856
857 /*
858 * On arm64, machine type can be used to request the physical
859 * address size for the VM. Bits[7-0] are reserved for the guest
860 * PA size shift (i.e, log2(PA_Size)). For backward compatibility,
861 * value 0 implies the default IPA size, 40bits.
862 */
863 #define KVM_VM_TYPE_ARM_IPA_SIZE_MASK 0xffULL
864 #define KVM_VM_TYPE_ARM_IPA_SIZE(x) \
865 ((x) & KVM_VM_TYPE_ARM_IPA_SIZE_MASK)
866 /*
867 * ioctls for /dev/kvm fds:
868 */
869 #define KVM_GET_API_VERSION _IO(KVMIO, 0x00)
870 #define KVM_CREATE_VM _IO(KVMIO, 0x01) /* returns a VM fd */
871 #define KVM_GET_MSR_INDEX_LIST _IOWR(KVMIO, 0x02, struct kvm_msr_list)
872
873 #define KVM_S390_ENABLE_SIE _IO(KVMIO, 0x06)
874 /*
875 * Check if a kvm extension is available. Argument is extension number,
876 * return is 1 (yes) or 0 (no, sorry).
877 */
878 #define KVM_CHECK_EXTENSION _IO(KVMIO, 0x03)
879 /*
880 * Get size for mmap(vcpu_fd)
881 */
882 #define KVM_GET_VCPU_MMAP_SIZE _IO(KVMIO, 0x04) /* in bytes */
883 #define KVM_GET_SUPPORTED_CPUID _IOWR(KVMIO, 0x05, struct kvm_cpuid2)
884 #define KVM_TRACE_ENABLE __KVM_DEPRECATED_MAIN_W_0x06
885 #define KVM_TRACE_PAUSE __KVM_DEPRECATED_MAIN_0x07
886 #define KVM_TRACE_DISABLE __KVM_DEPRECATED_MAIN_0x08
887 #define KVM_GET_EMULATED_CPUID _IOWR(KVMIO, 0x09, struct kvm_cpuid2)
888 #define KVM_GET_MSR_FEATURE_INDEX_LIST _IOWR(KVMIO, 0x0a, struct kvm_msr_list)
889
890 /*
891 * Extension capability list.
892 */
893 #define KVM_CAP_IRQCHIP 0
894 #define KVM_CAP_HLT 1
895 #define KVM_CAP_MMU_SHADOW_CACHE_CONTROL 2
896 #define KVM_CAP_USER_MEMORY 3
897 #define KVM_CAP_SET_TSS_ADDR 4
898 #define KVM_CAP_VAPIC 6
899 #define KVM_CAP_EXT_CPUID 7
900 #define KVM_CAP_CLOCKSOURCE 8
901 #define KVM_CAP_NR_VCPUS 9 /* returns recommended max vcpus per vm */
902 #define KVM_CAP_NR_MEMSLOTS 10 /* returns max memory slots per vm */
903 #define KVM_CAP_PIT 11
904 #define KVM_CAP_NOP_IO_DELAY 12
905 #define KVM_CAP_PV_MMU 13
906 #define KVM_CAP_MP_STATE 14
907 #define KVM_CAP_COALESCED_MMIO 15
908 #define KVM_CAP_SYNC_MMU 16 /* Changes to host mmap are reflected in guest */
909 #define KVM_CAP_IOMMU 18
910 /* Bug in KVM_SET_USER_MEMORY_REGION fixed: */
911 #define KVM_CAP_DESTROY_MEMORY_REGION_WORKS 21
912 #define KVM_CAP_USER_NMI 22
913 #ifdef __KVM_HAVE_GUEST_DEBUG
914 #define KVM_CAP_SET_GUEST_DEBUG 23
915 #endif
916 #ifdef __KVM_HAVE_PIT
917 #define KVM_CAP_REINJECT_CONTROL 24
918 #endif
919 #define KVM_CAP_IRQ_ROUTING 25
920 #define KVM_CAP_IRQ_INJECT_STATUS 26
921 #define KVM_CAP_ASSIGN_DEV_IRQ 29
922 /* Another bug in KVM_SET_USER_MEMORY_REGION fixed: */
923 #define KVM_CAP_JOIN_MEMORY_REGIONS_WORKS 30
924 #ifdef __KVM_HAVE_MCE
925 #define KVM_CAP_MCE 31
926 #endif
927 #define KVM_CAP_IRQFD 32
928 #ifdef __KVM_HAVE_PIT
929 #define KVM_CAP_PIT2 33
930 #endif
931 #define KVM_CAP_SET_BOOT_CPU_ID 34
932 #ifdef __KVM_HAVE_PIT_STATE2
933 #define KVM_CAP_PIT_STATE2 35
934 #endif
935 #define KVM_CAP_IOEVENTFD 36
936 #define KVM_CAP_SET_IDENTITY_MAP_ADDR 37
937 #ifdef __KVM_HAVE_XEN_HVM
938 #define KVM_CAP_XEN_HVM 38
939 #endif
940 #define KVM_CAP_ADJUST_CLOCK 39
941 #define KVM_CAP_INTERNAL_ERROR_DATA 40
942 #ifdef __KVM_HAVE_VCPU_EVENTS
943 #define KVM_CAP_VCPU_EVENTS 41
944 #endif
945 #define KVM_CAP_S390_PSW 42
946 #define KVM_CAP_PPC_SEGSTATE 43
947 #define KVM_CAP_HYPERV 44
948 #define KVM_CAP_HYPERV_VAPIC 45
949 #define KVM_CAP_HYPERV_SPIN 46
950 #define KVM_CAP_PCI_SEGMENT 47
951 #define KVM_CAP_PPC_PAIRED_SINGLES 48
952 #define KVM_CAP_INTR_SHADOW 49
953 #ifdef __KVM_HAVE_DEBUGREGS
954 #define KVM_CAP_DEBUGREGS 50
955 #endif
956 #define KVM_CAP_X86_ROBUST_SINGLESTEP 51
957 #define KVM_CAP_PPC_OSI 52
958 #define KVM_CAP_PPC_UNSET_IRQ 53
959 #define KVM_CAP_ENABLE_CAP 54
960 #ifdef __KVM_HAVE_XSAVE
961 #define KVM_CAP_XSAVE 55
962 #endif
963 #ifdef __KVM_HAVE_XCRS
964 #define KVM_CAP_XCRS 56
965 #endif
966 #define KVM_CAP_PPC_GET_PVINFO 57
967 #define KVM_CAP_PPC_IRQ_LEVEL 58
968 #define KVM_CAP_ASYNC_PF 59
969 #define KVM_CAP_TSC_CONTROL 60
970 #define KVM_CAP_GET_TSC_KHZ 61
971 #define KVM_CAP_PPC_BOOKE_SREGS 62
972 #define KVM_CAP_SPAPR_TCE 63
973 #define KVM_CAP_PPC_SMT 64
974 #define KVM_CAP_PPC_RMA 65
975 #define KVM_CAP_MAX_VCPUS 66 /* returns max vcpus per vm */
976 #define KVM_CAP_PPC_HIOR 67
977 #define KVM_CAP_PPC_PAPR 68
978 #define KVM_CAP_SW_TLB 69
979 #define KVM_CAP_ONE_REG 70
980 #define KVM_CAP_S390_GMAP 71
981 #define KVM_CAP_TSC_DEADLINE_TIMER 72
982 #define KVM_CAP_S390_UCONTROL 73
983 #define KVM_CAP_SYNC_REGS 74
984 #define KVM_CAP_PCI_2_3 75
985 #define KVM_CAP_KVMCLOCK_CTRL 76
986 #define KVM_CAP_SIGNAL_MSI 77
987 #define KVM_CAP_PPC_GET_SMMU_INFO 78
988 #define KVM_CAP_S390_COW 79
989 #define KVM_CAP_PPC_ALLOC_HTAB 80
990 #define KVM_CAP_READONLY_MEM 81
991 #define KVM_CAP_IRQFD_RESAMPLE 82
992 #define KVM_CAP_PPC_BOOKE_WATCHDOG 83
993 #define KVM_CAP_PPC_HTAB_FD 84
994 #define KVM_CAP_S390_CSS_SUPPORT 85
995 #define KVM_CAP_PPC_EPR 86
996 #define KVM_CAP_ARM_PSCI 87
997 #define KVM_CAP_ARM_SET_DEVICE_ADDR 88
998 #define KVM_CAP_DEVICE_CTRL 89
999 #define KVM_CAP_IRQ_MPIC 90
1000 #define KVM_CAP_PPC_RTAS 91
1001 #define KVM_CAP_IRQ_XICS 92
1002 #define KVM_CAP_ARM_EL1_32BIT 93
1003 #define KVM_CAP_SPAPR_MULTITCE 94
1004 #define KVM_CAP_EXT_EMUL_CPUID 95
1005 #define KVM_CAP_HYPERV_TIME 96
1006 #define KVM_CAP_IOAPIC_POLARITY_IGNORED 97
1007 #define KVM_CAP_ENABLE_CAP_VM 98
1008 #define KVM_CAP_S390_IRQCHIP 99
1009 #define KVM_CAP_IOEVENTFD_NO_LENGTH 100
1010 #define KVM_CAP_VM_ATTRIBUTES 101
1011 #define KVM_CAP_ARM_PSCI_0_2 102
1012 #define KVM_CAP_PPC_FIXUP_HCALL 103
1013 #define KVM_CAP_PPC_ENABLE_HCALL 104
1014 #define KVM_CAP_CHECK_EXTENSION_VM 105
1015 #define KVM_CAP_S390_USER_SIGP 106
1016 #define KVM_CAP_S390_VECTOR_REGISTERS 107
1017 #define KVM_CAP_S390_MEM_OP 108
1018 #define KVM_CAP_S390_USER_STSI 109
1019 #define KVM_CAP_S390_SKEYS 110
1020 #define KVM_CAP_MIPS_FPU 111
1021 #define KVM_CAP_MIPS_MSA 112
1022 #define KVM_CAP_S390_INJECT_IRQ 113
1023 #define KVM_CAP_S390_IRQ_STATE 114
1024 #define KVM_CAP_PPC_HWRNG 115
1025 #define KVM_CAP_DISABLE_QUIRKS 116
1026 #define KVM_CAP_X86_SMM 117
1027 #define KVM_CAP_MULTI_ADDRESS_SPACE 118
1028 #define KVM_CAP_GUEST_DEBUG_HW_BPS 119
1029 #define KVM_CAP_GUEST_DEBUG_HW_WPS 120
1030 #define KVM_CAP_SPLIT_IRQCHIP 121
1031 #define KVM_CAP_IOEVENTFD_ANY_LENGTH 122
1032 #define KVM_CAP_HYPERV_SYNIC 123
1033 #define KVM_CAP_S390_RI 124
1034 #define KVM_CAP_SPAPR_TCE_64 125
1035 #define KVM_CAP_ARM_PMU_V3 126
1036 #define KVM_CAP_VCPU_ATTRIBUTES 127
1037 #define KVM_CAP_MAX_VCPU_ID 128
1038 #define KVM_CAP_X2APIC_API 129
1039 #define KVM_CAP_S390_USER_INSTR0 130
1040 #define KVM_CAP_MSI_DEVID 131
1041 #define KVM_CAP_PPC_HTM 132
1042 #define KVM_CAP_SPAPR_RESIZE_HPT 133
1043 #define KVM_CAP_PPC_MMU_RADIX 134
1044 #define KVM_CAP_PPC_MMU_HASH_V3 135
1045 #define KVM_CAP_IMMEDIATE_EXIT 136
1046 #define KVM_CAP_MIPS_VZ 137
1047 #define KVM_CAP_MIPS_TE 138
1048 #define KVM_CAP_MIPS_64BIT 139
1049 #define KVM_CAP_S390_GS 140
1050 #define KVM_CAP_S390_AIS 141
1051 #define KVM_CAP_SPAPR_TCE_VFIO 142
1052 #define KVM_CAP_X86_DISABLE_EXITS 143
1053 #define KVM_CAP_ARM_USER_IRQ 144
1054 #define KVM_CAP_S390_CMMA_MIGRATION 145
1055 #define KVM_CAP_PPC_FWNMI 146
1056 #define KVM_CAP_PPC_SMT_POSSIBLE 147
1057 #define KVM_CAP_HYPERV_SYNIC2 148
1058 #define KVM_CAP_HYPERV_VP_INDEX 149
1059 #define KVM_CAP_S390_AIS_MIGRATION 150
1060 #define KVM_CAP_PPC_GET_CPU_CHAR 151
1061 #define KVM_CAP_S390_BPB 152
1062 #define KVM_CAP_GET_MSR_FEATURES 153
1063 #define KVM_CAP_HYPERV_EVENTFD 154
1064 #define KVM_CAP_HYPERV_TLBFLUSH 155
1065 #define KVM_CAP_S390_HPAGE_1M 156
1066 #define KVM_CAP_NESTED_STATE 157
1067 #define KVM_CAP_ARM_INJECT_SERROR_ESR 158
1068 #define KVM_CAP_MSR_PLATFORM_INFO 159
1069 #define KVM_CAP_PPC_NESTED_HV 160
1070 #define KVM_CAP_HYPERV_SEND_IPI 161
1071 #define KVM_CAP_COALESCED_PIO 162
1072 #define KVM_CAP_HYPERV_ENLIGHTENED_VMCS 163
1073 #define KVM_CAP_EXCEPTION_PAYLOAD 164
1074 #define KVM_CAP_ARM_VM_IPA_SIZE 165
1075 #define KVM_CAP_MANUAL_DIRTY_LOG_PROTECT 166 /* Obsolete */
1076 #define KVM_CAP_HYPERV_CPUID 167
1077 #define KVM_CAP_MANUAL_DIRTY_LOG_PROTECT2 168
1078 #define KVM_CAP_PPC_IRQ_XIVE 169
1079 #define KVM_CAP_ARM_SVE 170
1080 #define KVM_CAP_ARM_PTRAUTH_ADDRESS 171
1081 #define KVM_CAP_ARM_PTRAUTH_GENERIC 172
1082 #define KVM_CAP_PMU_EVENT_FILTER 173
1083 #define KVM_CAP_ARM_IRQ_LINE_LAYOUT_2 174
1084 #define KVM_CAP_HYPERV_DIRECT_TLBFLUSH 175
1085 #define KVM_CAP_PPC_GUEST_DEBUG_SSTEP 176
1086 #define KVM_CAP_ARM_NISV_TO_USER 177
1087 #define KVM_CAP_ARM_INJECT_EXT_DABT 178
1088 #define KVM_CAP_S390_VCPU_RESETS 179
1089 #define KVM_CAP_S390_PROTECTED 180
1090 #define KVM_CAP_PPC_SECURE_GUEST 181
1091 #define KVM_CAP_HALT_POLL 182
1092 #define KVM_CAP_ASYNC_PF_INT 183
1093 #define KVM_CAP_LAST_CPU 184
1094 #define KVM_CAP_SMALLER_MAXPHYADDR 185
1095 #define KVM_CAP_S390_DIAG318 186
1096 #define KVM_CAP_STEAL_TIME 187
1097 #define KVM_CAP_X86_USER_SPACE_MSR 188
1098 #define KVM_CAP_X86_MSR_FILTER 189
1099 #define KVM_CAP_ENFORCE_PV_FEATURE_CPUID 190
1100 #define KVM_CAP_SYS_HYPERV_CPUID 191
1101 #define KVM_CAP_DIRTY_LOG_RING 192
1102 #define KVM_CAP_X86_BUS_LOCK_EXIT 193
1103 #define KVM_CAP_PPC_DAWR1 194
1104 #define KVM_CAP_SET_GUEST_DEBUG2 195
1105 #define KVM_CAP_SGX_ATTRIBUTE 196
1106 #define KVM_CAP_VM_COPY_ENC_CONTEXT_FROM 197
1107 #define KVM_CAP_PTP_KVM 198
1108 #define KVM_CAP_HYPERV_ENFORCE_CPUID 199
1109 #define KVM_CAP_SREGS2 200
1110 #define KVM_CAP_EXIT_HYPERCALL 201
1111 #define KVM_CAP_PPC_RPT_INVALIDATE 202
1112 #define KVM_CAP_BINARY_STATS_FD 203
1113 #define KVM_CAP_EXIT_ON_EMULATION_FAILURE 204
1114 #define KVM_CAP_ARM_MTE 205
1115
1116 #ifdef KVM_CAP_IRQ_ROUTING
1117
1118 struct kvm_irq_routing_irqchip {
1119 __u32 irqchip;
1120 __u32 pin;
1121 };
1122
1123 struct kvm_irq_routing_msi {
1124 __u32 address_lo;
1125 __u32 address_hi;
1126 __u32 data;
1127 union {
1128 __u32 pad;
1129 __u32 devid;
1130 };
1131 };
1132
1133 struct kvm_irq_routing_s390_adapter {
1134 __u64 ind_addr;
1135 __u64 summary_addr;
1136 __u64 ind_offset;
1137 __u32 summary_offset;
1138 __u32 adapter_id;
1139 };
1140
1141 struct kvm_irq_routing_hv_sint {
1142 __u32 vcpu;
1143 __u32 sint;
1144 };
1145
1146 /* gsi routing entry types */
1147 #define KVM_IRQ_ROUTING_IRQCHIP 1
1148 #define KVM_IRQ_ROUTING_MSI 2
1149 #define KVM_IRQ_ROUTING_S390_ADAPTER 3
1150 #define KVM_IRQ_ROUTING_HV_SINT 4
1151
1152 struct kvm_irq_routing_entry {
1153 __u32 gsi;
1154 __u32 type;
1155 __u32 flags;
1156 __u32 pad;
1157 union {
1158 struct kvm_irq_routing_irqchip irqchip;
1159 struct kvm_irq_routing_msi msi;
1160 struct kvm_irq_routing_s390_adapter adapter;
1161 struct kvm_irq_routing_hv_sint hv_sint;
1162 __u32 pad[8];
1163 } u;
1164 };
1165
1166 struct kvm_irq_routing {
1167 __u32 nr;
1168 __u32 flags;
1169 struct kvm_irq_routing_entry entries[0];
1170 };
1171
1172 #endif
1173
1174 #ifdef KVM_CAP_MCE
1175 /* x86 MCE */
1176 struct kvm_x86_mce {
1177 __u64 status;
1178 __u64 addr;
1179 __u64 misc;
1180 __u64 mcg_status;
1181 __u8 bank;
1182 __u8 pad1[7];
1183 __u64 pad2[3];
1184 };
1185 #endif
1186
1187 #ifdef KVM_CAP_XEN_HVM
1188 #define KVM_XEN_HVM_CONFIG_HYPERCALL_MSR (1 << 0)
1189 #define KVM_XEN_HVM_CONFIG_INTERCEPT_HCALL (1 << 1)
1190 #define KVM_XEN_HVM_CONFIG_SHARED_INFO (1 << 2)
1191 #define KVM_XEN_HVM_CONFIG_RUNSTATE (1 << 3)
1192
1193 struct kvm_xen_hvm_config {
1194 __u32 flags;
1195 __u32 msr;
1196 __u64 blob_addr_32;
1197 __u64 blob_addr_64;
1198 __u8 blob_size_32;
1199 __u8 blob_size_64;
1200 __u8 pad2[30];
1201 };
1202 #endif
1203
1204 #define KVM_IRQFD_FLAG_DEASSIGN (1 << 0)
1205 /*
1206 * Available with KVM_CAP_IRQFD_RESAMPLE
1207 *
1208 * KVM_IRQFD_FLAG_RESAMPLE indicates resamplefd is valid and specifies
1209 * the irqfd to operate in resampling mode for level triggered interrupt
1210 * emulation. See Documentation/virt/kvm/api.rst.
1211 */
1212 #define KVM_IRQFD_FLAG_RESAMPLE (1 << 1)
1213
1214 struct kvm_irqfd {
1215 __u32 fd;
1216 __u32 gsi;
1217 __u32 flags;
1218 __u32 resamplefd;
1219 __u8 pad[16];
1220 };
1221
1222 /* For KVM_CAP_ADJUST_CLOCK */
1223
1224 /* Do not use 1, KVM_CHECK_EXTENSION returned it before we had flags. */
1225 #define KVM_CLOCK_TSC_STABLE 2
1226
1227 struct kvm_clock_data {
1228 __u64 clock;
1229 __u32 flags;
1230 __u32 pad[9];
1231 };
1232
1233 /* For KVM_CAP_SW_TLB */
1234
1235 #define KVM_MMU_FSL_BOOKE_NOHV 0
1236 #define KVM_MMU_FSL_BOOKE_HV 1
1237
1238 struct kvm_config_tlb {
1239 __u64 params;
1240 __u64 array;
1241 __u32 mmu_type;
1242 __u32 array_len;
1243 };
1244
1245 struct kvm_dirty_tlb {
1246 __u64 bitmap;
1247 __u32 num_dirty;
1248 };
1249
1250 /* Available with KVM_CAP_ONE_REG */
1251
1252 #define KVM_REG_ARCH_MASK 0xff00000000000000ULL
1253 #define KVM_REG_GENERIC 0x0000000000000000ULL
1254
1255 /*
1256 * Architecture specific registers are to be defined in arch headers and
1257 * ORed with the arch identifier.
1258 */
1259 #define KVM_REG_PPC 0x1000000000000000ULL
1260 #define KVM_REG_X86 0x2000000000000000ULL
1261 #define KVM_REG_IA64 0x3000000000000000ULL
1262 #define KVM_REG_ARM 0x4000000000000000ULL
1263 #define KVM_REG_S390 0x5000000000000000ULL
1264 #define KVM_REG_ARM64 0x6000000000000000ULL
1265 #define KVM_REG_MIPS 0x7000000000000000ULL
1266 #define KVM_REG_RISCV 0x8000000000000000ULL
1267
1268 #define KVM_REG_SIZE_SHIFT 52
1269 #define KVM_REG_SIZE_MASK 0x00f0000000000000ULL
1270 #define KVM_REG_SIZE_U8 0x0000000000000000ULL
1271 #define KVM_REG_SIZE_U16 0x0010000000000000ULL
1272 #define KVM_REG_SIZE_U32 0x0020000000000000ULL
1273 #define KVM_REG_SIZE_U64 0x0030000000000000ULL
1274 #define KVM_REG_SIZE_U128 0x0040000000000000ULL
1275 #define KVM_REG_SIZE_U256 0x0050000000000000ULL
1276 #define KVM_REG_SIZE_U512 0x0060000000000000ULL
1277 #define KVM_REG_SIZE_U1024 0x0070000000000000ULL
1278 #define KVM_REG_SIZE_U2048 0x0080000000000000ULL
1279
1280 struct kvm_reg_list {
1281 __u64 n; /* number of regs */
1282 __u64 reg[0];
1283 };
1284
1285 struct kvm_one_reg {
1286 __u64 id;
1287 __u64 addr;
1288 };
1289
1290 #define KVM_MSI_VALID_DEVID (1U << 0)
1291 struct kvm_msi {
1292 __u32 address_lo;
1293 __u32 address_hi;
1294 __u32 data;
1295 __u32 flags;
1296 __u32 devid;
1297 __u8 pad[12];
1298 };
1299
1300 struct kvm_arm_device_addr {
1301 __u64 id;
1302 __u64 addr;
1303 };
1304
1305 /*
1306 * Device control API, available with KVM_CAP_DEVICE_CTRL
1307 */
1308 #define KVM_CREATE_DEVICE_TEST 1
1309
1310 struct kvm_create_device {
1311 __u32 type; /* in: KVM_DEV_TYPE_xxx */
1312 __u32 fd; /* out: device handle */
1313 __u32 flags; /* in: KVM_CREATE_DEVICE_xxx */
1314 };
1315
1316 struct kvm_device_attr {
1317 __u32 flags; /* no flags currently defined */
1318 __u32 group; /* device-defined */
1319 __u64 attr; /* group-defined */
1320 __u64 addr; /* userspace address of attr data */
1321 };
1322
1323 #define KVM_DEV_VFIO_GROUP 1
1324 #define KVM_DEV_VFIO_GROUP_ADD 1
1325 #define KVM_DEV_VFIO_GROUP_DEL 2
1326 #define KVM_DEV_VFIO_GROUP_SET_SPAPR_TCE 3
1327
1328 enum kvm_device_type {
1329 KVM_DEV_TYPE_FSL_MPIC_20 = 1,
1330 #define KVM_DEV_TYPE_FSL_MPIC_20 KVM_DEV_TYPE_FSL_MPIC_20
1331 KVM_DEV_TYPE_FSL_MPIC_42,
1332 #define KVM_DEV_TYPE_FSL_MPIC_42 KVM_DEV_TYPE_FSL_MPIC_42
1333 KVM_DEV_TYPE_XICS,
1334 #define KVM_DEV_TYPE_XICS KVM_DEV_TYPE_XICS
1335 KVM_DEV_TYPE_VFIO,
1336 #define KVM_DEV_TYPE_VFIO KVM_DEV_TYPE_VFIO
1337 KVM_DEV_TYPE_ARM_VGIC_V2,
1338 #define KVM_DEV_TYPE_ARM_VGIC_V2 KVM_DEV_TYPE_ARM_VGIC_V2
1339 KVM_DEV_TYPE_FLIC,
1340 #define KVM_DEV_TYPE_FLIC KVM_DEV_TYPE_FLIC
1341 KVM_DEV_TYPE_ARM_VGIC_V3,
1342 #define KVM_DEV_TYPE_ARM_VGIC_V3 KVM_DEV_TYPE_ARM_VGIC_V3
1343 KVM_DEV_TYPE_ARM_VGIC_ITS,
1344 #define KVM_DEV_TYPE_ARM_VGIC_ITS KVM_DEV_TYPE_ARM_VGIC_ITS
1345 KVM_DEV_TYPE_XIVE,
1346 #define KVM_DEV_TYPE_XIVE KVM_DEV_TYPE_XIVE
1347 KVM_DEV_TYPE_ARM_PV_TIME,
1348 #define KVM_DEV_TYPE_ARM_PV_TIME KVM_DEV_TYPE_ARM_PV_TIME
1349 KVM_DEV_TYPE_MAX,
1350 };
1351
1352 struct kvm_vfio_spapr_tce {
1353 __s32 groupfd;
1354 __s32 tablefd;
1355 };
1356
1357 /*
1358 * ioctls for VM fds
1359 */
1360 #define KVM_SET_MEMORY_REGION _IOW(KVMIO, 0x40, struct kvm_memory_region)
1361 /*
1362 * KVM_CREATE_VCPU receives as a parameter the vcpu slot, and returns
1363 * a vcpu fd.
1364 */
1365 #define KVM_CREATE_VCPU _IO(KVMIO, 0x41)
1366 #define KVM_GET_DIRTY_LOG _IOW(KVMIO, 0x42, struct kvm_dirty_log)
1367 /* KVM_SET_MEMORY_ALIAS is obsolete: */
1368 #define KVM_SET_MEMORY_ALIAS _IOW(KVMIO, 0x43, struct kvm_memory_alias)
1369 #define KVM_SET_NR_MMU_PAGES _IO(KVMIO, 0x44)
1370 #define KVM_GET_NR_MMU_PAGES _IO(KVMIO, 0x45)
1371 #define KVM_SET_USER_MEMORY_REGION _IOW(KVMIO, 0x46, \
1372 struct kvm_userspace_memory_region)
1373 #define KVM_SET_TSS_ADDR _IO(KVMIO, 0x47)
1374 #define KVM_SET_IDENTITY_MAP_ADDR _IOW(KVMIO, 0x48, __u64)
1375
1376 /* enable ucontrol for s390 */
1377 struct kvm_s390_ucas_mapping {
1378 __u64 user_addr;
1379 __u64 vcpu_addr;
1380 __u64 length;
1381 };
1382 #define KVM_S390_UCAS_MAP _IOW(KVMIO, 0x50, struct kvm_s390_ucas_mapping)
1383 #define KVM_S390_UCAS_UNMAP _IOW(KVMIO, 0x51, struct kvm_s390_ucas_mapping)
1384 #define KVM_S390_VCPU_FAULT _IOW(KVMIO, 0x52, unsigned long)
1385
1386 /* Device model IOC */
1387 #define KVM_CREATE_IRQCHIP _IO(KVMIO, 0x60)
1388 #define KVM_IRQ_LINE _IOW(KVMIO, 0x61, struct kvm_irq_level)
1389 #define KVM_GET_IRQCHIP _IOWR(KVMIO, 0x62, struct kvm_irqchip)
1390 #define KVM_SET_IRQCHIP _IOR(KVMIO, 0x63, struct kvm_irqchip)
1391 #define KVM_CREATE_PIT _IO(KVMIO, 0x64)
1392 #define KVM_GET_PIT _IOWR(KVMIO, 0x65, struct kvm_pit_state)
1393 #define KVM_SET_PIT _IOR(KVMIO, 0x66, struct kvm_pit_state)
1394 #define KVM_IRQ_LINE_STATUS _IOWR(KVMIO, 0x67, struct kvm_irq_level)
1395 #define KVM_REGISTER_COALESCED_MMIO \
1396 _IOW(KVMIO, 0x67, struct kvm_coalesced_mmio_zone)
1397 #define KVM_UNREGISTER_COALESCED_MMIO \
1398 _IOW(KVMIO, 0x68, struct kvm_coalesced_mmio_zone)
1399 #define KVM_ASSIGN_PCI_DEVICE _IOR(KVMIO, 0x69, \
1400 struct kvm_assigned_pci_dev)
1401 #define KVM_SET_GSI_ROUTING _IOW(KVMIO, 0x6a, struct kvm_irq_routing)
1402 /* deprecated, replaced by KVM_ASSIGN_DEV_IRQ */
1403 #define KVM_ASSIGN_IRQ __KVM_DEPRECATED_VM_R_0x70
1404 #define KVM_ASSIGN_DEV_IRQ _IOW(KVMIO, 0x70, struct kvm_assigned_irq)
1405 #define KVM_REINJECT_CONTROL _IO(KVMIO, 0x71)
1406 #define KVM_DEASSIGN_PCI_DEVICE _IOW(KVMIO, 0x72, \
1407 struct kvm_assigned_pci_dev)
1408 #define KVM_ASSIGN_SET_MSIX_NR _IOW(KVMIO, 0x73, \
1409 struct kvm_assigned_msix_nr)
1410 #define KVM_ASSIGN_SET_MSIX_ENTRY _IOW(KVMIO, 0x74, \
1411 struct kvm_assigned_msix_entry)
1412 #define KVM_DEASSIGN_DEV_IRQ _IOW(KVMIO, 0x75, struct kvm_assigned_irq)
1413 #define KVM_IRQFD _IOW(KVMIO, 0x76, struct kvm_irqfd)
1414 #define KVM_CREATE_PIT2 _IOW(KVMIO, 0x77, struct kvm_pit_config)
1415 #define KVM_SET_BOOT_CPU_ID _IO(KVMIO, 0x78)
1416 #define KVM_IOEVENTFD _IOW(KVMIO, 0x79, struct kvm_ioeventfd)
1417 #define KVM_XEN_HVM_CONFIG _IOW(KVMIO, 0x7a, struct kvm_xen_hvm_config)
1418 #define KVM_SET_CLOCK _IOW(KVMIO, 0x7b, struct kvm_clock_data)
1419 #define KVM_GET_CLOCK _IOR(KVMIO, 0x7c, struct kvm_clock_data)
1420 /* Available with KVM_CAP_PIT_STATE2 */
1421 #define KVM_GET_PIT2 _IOR(KVMIO, 0x9f, struct kvm_pit_state2)
1422 #define KVM_SET_PIT2 _IOW(KVMIO, 0xa0, struct kvm_pit_state2)
1423 /* Available with KVM_CAP_PPC_GET_PVINFO */
1424 #define KVM_PPC_GET_PVINFO _IOW(KVMIO, 0xa1, struct kvm_ppc_pvinfo)
1425 /* Available with KVM_CAP_TSC_CONTROL */
1426 #define KVM_SET_TSC_KHZ _IO(KVMIO, 0xa2)
1427 #define KVM_GET_TSC_KHZ _IO(KVMIO, 0xa3)
1428 /* Available with KVM_CAP_PCI_2_3 */
1429 #define KVM_ASSIGN_SET_INTX_MASK _IOW(KVMIO, 0xa4, \
1430 struct kvm_assigned_pci_dev)
1431 /* Available with KVM_CAP_SIGNAL_MSI */
1432 #define KVM_SIGNAL_MSI _IOW(KVMIO, 0xa5, struct kvm_msi)
1433 /* Available with KVM_CAP_PPC_GET_SMMU_INFO */
1434 #define KVM_PPC_GET_SMMU_INFO _IOR(KVMIO, 0xa6, struct kvm_ppc_smmu_info)
1435 /* Available with KVM_CAP_PPC_ALLOC_HTAB */
1436 #define KVM_PPC_ALLOCATE_HTAB _IOWR(KVMIO, 0xa7, __u32)
1437 #define KVM_CREATE_SPAPR_TCE _IOW(KVMIO, 0xa8, struct kvm_create_spapr_tce)
1438 #define KVM_CREATE_SPAPR_TCE_64 _IOW(KVMIO, 0xa8, \
1439 struct kvm_create_spapr_tce_64)
1440 /* Available with KVM_CAP_RMA */
1441 #define KVM_ALLOCATE_RMA _IOR(KVMIO, 0xa9, struct kvm_allocate_rma)
1442 /* Available with KVM_CAP_PPC_HTAB_FD */
1443 #define KVM_PPC_GET_HTAB_FD _IOW(KVMIO, 0xaa, struct kvm_get_htab_fd)
1444 /* Available with KVM_CAP_ARM_SET_DEVICE_ADDR */
1445 #define KVM_ARM_SET_DEVICE_ADDR _IOW(KVMIO, 0xab, struct kvm_arm_device_addr)
1446 /* Available with KVM_CAP_PPC_RTAS */
1447 #define KVM_PPC_RTAS_DEFINE_TOKEN _IOW(KVMIO, 0xac, struct kvm_rtas_token_args)
1448 /* Available with KVM_CAP_SPAPR_RESIZE_HPT */
1449 #define KVM_PPC_RESIZE_HPT_PREPARE _IOR(KVMIO, 0xad, struct kvm_ppc_resize_hpt)
1450 #define KVM_PPC_RESIZE_HPT_COMMIT _IOR(KVMIO, 0xae, struct kvm_ppc_resize_hpt)
1451 /* Available with KVM_CAP_PPC_RADIX_MMU or KVM_CAP_PPC_HASH_MMU_V3 */
1452 #define KVM_PPC_CONFIGURE_V3_MMU _IOW(KVMIO, 0xaf, struct kvm_ppc_mmuv3_cfg)
1453 /* Available with KVM_CAP_PPC_RADIX_MMU */
1454 #define KVM_PPC_GET_RMMU_INFO _IOW(KVMIO, 0xb0, struct kvm_ppc_rmmu_info)
1455 /* Available with KVM_CAP_PPC_GET_CPU_CHAR */
1456 #define KVM_PPC_GET_CPU_CHAR _IOR(KVMIO, 0xb1, struct kvm_ppc_cpu_char)
1457 /* Available with KVM_CAP_PMU_EVENT_FILTER */
1458 #define KVM_SET_PMU_EVENT_FILTER _IOW(KVMIO, 0xb2, struct kvm_pmu_event_filter)
1459 #define KVM_PPC_SVM_OFF _IO(KVMIO, 0xb3)
1460 #define KVM_ARM_MTE_COPY_TAGS _IOR(KVMIO, 0xb4, struct kvm_arm_copy_mte_tags)
1461
1462 /* ioctl for vm fd */
1463 #define KVM_CREATE_DEVICE _IOWR(KVMIO, 0xe0, struct kvm_create_device)
1464
1465 /* ioctls for fds returned by KVM_CREATE_DEVICE */
1466 #define KVM_SET_DEVICE_ATTR _IOW(KVMIO, 0xe1, struct kvm_device_attr)
1467 #define KVM_GET_DEVICE_ATTR _IOW(KVMIO, 0xe2, struct kvm_device_attr)
1468 #define KVM_HAS_DEVICE_ATTR _IOW(KVMIO, 0xe3, struct kvm_device_attr)
1469
1470 /*
1471 * ioctls for vcpu fds
1472 */
1473 #define KVM_RUN _IO(KVMIO, 0x80)
1474 #define KVM_GET_REGS _IOR(KVMIO, 0x81, struct kvm_regs)
1475 #define KVM_SET_REGS _IOW(KVMIO, 0x82, struct kvm_regs)
1476 #define KVM_GET_SREGS _IOR(KVMIO, 0x83, struct kvm_sregs)
1477 #define KVM_SET_SREGS _IOW(KVMIO, 0x84, struct kvm_sregs)
1478 #define KVM_TRANSLATE _IOWR(KVMIO, 0x85, struct kvm_translation)
1479 #define KVM_INTERRUPT _IOW(KVMIO, 0x86, struct kvm_interrupt)
1480 /* KVM_DEBUG_GUEST is no longer supported, use KVM_SET_GUEST_DEBUG instead */
1481 #define KVM_DEBUG_GUEST __KVM_DEPRECATED_VCPU_W_0x87
1482 #define KVM_GET_MSRS _IOWR(KVMIO, 0x88, struct kvm_msrs)
1483 #define KVM_SET_MSRS _IOW(KVMIO, 0x89, struct kvm_msrs)
1484 #define KVM_SET_CPUID _IOW(KVMIO, 0x8a, struct kvm_cpuid)
1485 #define KVM_SET_SIGNAL_MASK _IOW(KVMIO, 0x8b, struct kvm_signal_mask)
1486 #define KVM_GET_FPU _IOR(KVMIO, 0x8c, struct kvm_fpu)
1487 #define KVM_SET_FPU _IOW(KVMIO, 0x8d, struct kvm_fpu)
1488 #define KVM_GET_LAPIC _IOR(KVMIO, 0x8e, struct kvm_lapic_state)
1489 #define KVM_SET_LAPIC _IOW(KVMIO, 0x8f, struct kvm_lapic_state)
1490 #define KVM_SET_CPUID2 _IOW(KVMIO, 0x90, struct kvm_cpuid2)
1491 #define KVM_GET_CPUID2 _IOWR(KVMIO, 0x91, struct kvm_cpuid2)
1492 /* Available with KVM_CAP_VAPIC */
1493 #define KVM_TPR_ACCESS_REPORTING _IOWR(KVMIO, 0x92, struct kvm_tpr_access_ctl)
1494 /* Available with KVM_CAP_VAPIC */
1495 #define KVM_SET_VAPIC_ADDR _IOW(KVMIO, 0x93, struct kvm_vapic_addr)
1496 /* valid for virtual machine (for floating interrupt)_and_ vcpu */
1497 #define KVM_S390_INTERRUPT _IOW(KVMIO, 0x94, struct kvm_s390_interrupt)
1498 /* store status for s390 */
1499 #define KVM_S390_STORE_STATUS_NOADDR (-1ul)
1500 #define KVM_S390_STORE_STATUS_PREFIXED (-2ul)
1501 #define KVM_S390_STORE_STATUS _IOW(KVMIO, 0x95, unsigned long)
1502 /* initial ipl psw for s390 */
1503 #define KVM_S390_SET_INITIAL_PSW _IOW(KVMIO, 0x96, struct kvm_s390_psw)
1504 /* initial reset for s390 */
1505 #define KVM_S390_INITIAL_RESET _IO(KVMIO, 0x97)
1506 #define KVM_GET_MP_STATE _IOR(KVMIO, 0x98, struct kvm_mp_state)
1507 #define KVM_SET_MP_STATE _IOW(KVMIO, 0x99, struct kvm_mp_state)
1508 /* Available with KVM_CAP_USER_NMI */
1509 #define KVM_NMI _IO(KVMIO, 0x9a)
1510 /* Available with KVM_CAP_SET_GUEST_DEBUG */
1511 #define KVM_SET_GUEST_DEBUG _IOW(KVMIO, 0x9b, struct kvm_guest_debug)
1512 /* MCE for x86 */
1513 #define KVM_X86_SETUP_MCE _IOW(KVMIO, 0x9c, __u64)
1514 #define KVM_X86_GET_MCE_CAP_SUPPORTED _IOR(KVMIO, 0x9d, __u64)
1515 #define KVM_X86_SET_MCE _IOW(KVMIO, 0x9e, struct kvm_x86_mce)
1516 /* Available with KVM_CAP_VCPU_EVENTS */
1517 #define KVM_GET_VCPU_EVENTS _IOR(KVMIO, 0x9f, struct kvm_vcpu_events)
1518 #define KVM_SET_VCPU_EVENTS _IOW(KVMIO, 0xa0, struct kvm_vcpu_events)
1519 /* Available with KVM_CAP_DEBUGREGS */
1520 #define KVM_GET_DEBUGREGS _IOR(KVMIO, 0xa1, struct kvm_debugregs)
1521 #define KVM_SET_DEBUGREGS _IOW(KVMIO, 0xa2, struct kvm_debugregs)
1522 /*
1523 * vcpu version available with KVM_ENABLE_CAP
1524 * vm version available with KVM_CAP_ENABLE_CAP_VM
1525 */
1526 #define KVM_ENABLE_CAP _IOW(KVMIO, 0xa3, struct kvm_enable_cap)
1527 /* Available with KVM_CAP_XSAVE */
1528 #define KVM_GET_XSAVE _IOR(KVMIO, 0xa4, struct kvm_xsave)
1529 #define KVM_SET_XSAVE _IOW(KVMIO, 0xa5, struct kvm_xsave)
1530 /* Available with KVM_CAP_XCRS */
1531 #define KVM_GET_XCRS _IOR(KVMIO, 0xa6, struct kvm_xcrs)
1532 #define KVM_SET_XCRS _IOW(KVMIO, 0xa7, struct kvm_xcrs)
1533 /* Available with KVM_CAP_SW_TLB */
1534 #define KVM_DIRTY_TLB _IOW(KVMIO, 0xaa, struct kvm_dirty_tlb)
1535 /* Available with KVM_CAP_ONE_REG */
1536 #define KVM_GET_ONE_REG _IOW(KVMIO, 0xab, struct kvm_one_reg)
1537 #define KVM_SET_ONE_REG _IOW(KVMIO, 0xac, struct kvm_one_reg)
1538 /* VM is being stopped by host */
1539 #define KVM_KVMCLOCK_CTRL _IO(KVMIO, 0xad)
1540 #define KVM_ARM_VCPU_INIT _IOW(KVMIO, 0xae, struct kvm_vcpu_init)
1541 #define KVM_ARM_PREFERRED_TARGET _IOR(KVMIO, 0xaf, struct kvm_vcpu_init)
1542 #define KVM_GET_REG_LIST _IOWR(KVMIO, 0xb0, struct kvm_reg_list)
1543 /* Available with KVM_CAP_S390_MEM_OP */
1544 #define KVM_S390_MEM_OP _IOW(KVMIO, 0xb1, struct kvm_s390_mem_op)
1545 /* Available with KVM_CAP_S390_SKEYS */
1546 #define KVM_S390_GET_SKEYS _IOW(KVMIO, 0xb2, struct kvm_s390_skeys)
1547 #define KVM_S390_SET_SKEYS _IOW(KVMIO, 0xb3, struct kvm_s390_skeys)
1548 /* Available with KVM_CAP_S390_INJECT_IRQ */
1549 #define KVM_S390_IRQ _IOW(KVMIO, 0xb4, struct kvm_s390_irq)
1550 /* Available with KVM_CAP_S390_IRQ_STATE */
1551 #define KVM_S390_SET_IRQ_STATE _IOW(KVMIO, 0xb5, struct kvm_s390_irq_state)
1552 #define KVM_S390_GET_IRQ_STATE _IOW(KVMIO, 0xb6, struct kvm_s390_irq_state)
1553 /* Available with KVM_CAP_X86_SMM */
1554 #define KVM_SMI _IO(KVMIO, 0xb7)
1555 /* Available with KVM_CAP_S390_CMMA_MIGRATION */
1556 #define KVM_S390_GET_CMMA_BITS _IOWR(KVMIO, 0xb8, struct kvm_s390_cmma_log)
1557 #define KVM_S390_SET_CMMA_BITS _IOW(KVMIO, 0xb9, struct kvm_s390_cmma_log)
1558 /* Memory Encryption Commands */
1559 #define KVM_MEMORY_ENCRYPT_OP _IOWR(KVMIO, 0xba, unsigned long)
1560
1561 struct kvm_enc_region {
1562 __u64 addr;
1563 __u64 size;
1564 };
1565
1566 #define KVM_MEMORY_ENCRYPT_REG_REGION _IOR(KVMIO, 0xbb, struct kvm_enc_region)
1567 #define KVM_MEMORY_ENCRYPT_UNREG_REGION _IOR(KVMIO, 0xbc, struct kvm_enc_region)
1568
1569 /* Available with KVM_CAP_HYPERV_EVENTFD */
1570 #define KVM_HYPERV_EVENTFD _IOW(KVMIO, 0xbd, struct kvm_hyperv_eventfd)
1571
1572 /* Available with KVM_CAP_NESTED_STATE */
1573 #define KVM_GET_NESTED_STATE _IOWR(KVMIO, 0xbe, struct kvm_nested_state)
1574 #define KVM_SET_NESTED_STATE _IOW(KVMIO, 0xbf, struct kvm_nested_state)
1575
1576 /* Available with KVM_CAP_MANUAL_DIRTY_LOG_PROTECT_2 */
1577 #define KVM_CLEAR_DIRTY_LOG _IOWR(KVMIO, 0xc0, struct kvm_clear_dirty_log)
1578
1579 /* Available with KVM_CAP_HYPERV_CPUID (vcpu) / KVM_CAP_SYS_HYPERV_CPUID (system) */
1580 #define KVM_GET_SUPPORTED_HV_CPUID _IOWR(KVMIO, 0xc1, struct kvm_cpuid2)
1581
1582 /* Available with KVM_CAP_ARM_SVE */
1583 #define KVM_ARM_VCPU_FINALIZE _IOW(KVMIO, 0xc2, int)
1584
1585 /* Available with KVM_CAP_S390_VCPU_RESETS */
1586 #define KVM_S390_NORMAL_RESET _IO(KVMIO, 0xc3)
1587 #define KVM_S390_CLEAR_RESET _IO(KVMIO, 0xc4)
1588
1589 struct kvm_s390_pv_sec_parm {
1590 __u64 origin;
1591 __u64 length;
1592 };
1593
1594 struct kvm_s390_pv_unp {
1595 __u64 addr;
1596 __u64 size;
1597 __u64 tweak;
1598 };
1599
1600 enum pv_cmd_id {
1601 KVM_PV_ENABLE,
1602 KVM_PV_DISABLE,
1603 KVM_PV_SET_SEC_PARMS,
1604 KVM_PV_UNPACK,
1605 KVM_PV_VERIFY,
1606 KVM_PV_PREP_RESET,
1607 KVM_PV_UNSHARE_ALL,
1608 };
1609
1610 struct kvm_pv_cmd {
1611 __u32 cmd; /* Command to be executed */
1612 __u16 rc; /* Ultravisor return code */
1613 __u16 rrc; /* Ultravisor return reason code */
1614 __u64 data; /* Data or address */
1615 __u32 flags; /* flags for future extensions. Must be 0 for now */
1616 __u32 reserved[3];
1617 };
1618
1619 /* Available with KVM_CAP_S390_PROTECTED */
1620 #define KVM_S390_PV_COMMAND _IOWR(KVMIO, 0xc5, struct kvm_pv_cmd)
1621
1622 /* Available with KVM_CAP_X86_MSR_FILTER */
1623 #define KVM_X86_SET_MSR_FILTER _IOW(KVMIO, 0xc6, struct kvm_msr_filter)
1624
1625 /* Available with KVM_CAP_DIRTY_LOG_RING */
1626 #define KVM_RESET_DIRTY_RINGS _IO(KVMIO, 0xc7)
1627
1628 /* Per-VM Xen attributes */
1629 #define KVM_XEN_HVM_GET_ATTR _IOWR(KVMIO, 0xc8, struct kvm_xen_hvm_attr)
1630 #define KVM_XEN_HVM_SET_ATTR _IOW(KVMIO, 0xc9, struct kvm_xen_hvm_attr)
1631
1632 struct kvm_xen_hvm_attr {
1633 __u16 type;
1634 __u16 pad[3];
1635 union {
1636 __u8 long_mode;
1637 __u8 vector;
1638 struct {
1639 __u64 gfn;
1640 } shared_info;
1641 __u64 pad[8];
1642 } u;
1643 };
1644
1645 /* Available with KVM_CAP_XEN_HVM / KVM_XEN_HVM_CONFIG_SHARED_INFO */
1646 #define KVM_XEN_ATTR_TYPE_LONG_MODE 0x0
1647 #define KVM_XEN_ATTR_TYPE_SHARED_INFO 0x1
1648 #define KVM_XEN_ATTR_TYPE_UPCALL_VECTOR 0x2
1649
1650 /* Per-vCPU Xen attributes */
1651 #define KVM_XEN_VCPU_GET_ATTR _IOWR(KVMIO, 0xca, struct kvm_xen_vcpu_attr)
1652 #define KVM_XEN_VCPU_SET_ATTR _IOW(KVMIO, 0xcb, struct kvm_xen_vcpu_attr)
1653
1654 #define KVM_GET_SREGS2 _IOR(KVMIO, 0xcc, struct kvm_sregs2)
1655 #define KVM_SET_SREGS2 _IOW(KVMIO, 0xcd, struct kvm_sregs2)
1656
1657 struct kvm_xen_vcpu_attr {
1658 __u16 type;
1659 __u16 pad[3];
1660 union {
1661 __u64 gpa;
1662 __u64 pad[8];
1663 struct {
1664 __u64 state;
1665 __u64 state_entry_time;
1666 __u64 time_running;
1667 __u64 time_runnable;
1668 __u64 time_blocked;
1669 __u64 time_offline;
1670 } runstate;
1671 } u;
1672 };
1673
1674 /* Available with KVM_CAP_XEN_HVM / KVM_XEN_HVM_CONFIG_SHARED_INFO */
1675 #define KVM_XEN_VCPU_ATTR_TYPE_VCPU_INFO 0x0
1676 #define KVM_XEN_VCPU_ATTR_TYPE_VCPU_TIME_INFO 0x1
1677 #define KVM_XEN_VCPU_ATTR_TYPE_RUNSTATE_ADDR 0x2
1678 #define KVM_XEN_VCPU_ATTR_TYPE_RUNSTATE_CURRENT 0x3
1679 #define KVM_XEN_VCPU_ATTR_TYPE_RUNSTATE_DATA 0x4
1680 #define KVM_XEN_VCPU_ATTR_TYPE_RUNSTATE_ADJUST 0x5
1681
1682 /* Secure Encrypted Virtualization command */
1683 enum sev_cmd_id {
1684 /* Guest initialization commands */
1685 KVM_SEV_INIT = 0,
1686 KVM_SEV_ES_INIT,
1687 /* Guest launch commands */
1688 KVM_SEV_LAUNCH_START,
1689 KVM_SEV_LAUNCH_UPDATE_DATA,
1690 KVM_SEV_LAUNCH_UPDATE_VMSA,
1691 KVM_SEV_LAUNCH_SECRET,
1692 KVM_SEV_LAUNCH_MEASURE,
1693 KVM_SEV_LAUNCH_FINISH,
1694 /* Guest migration commands (outgoing) */
1695 KVM_SEV_SEND_START,
1696 KVM_SEV_SEND_UPDATE_DATA,
1697 KVM_SEV_SEND_UPDATE_VMSA,
1698 KVM_SEV_SEND_FINISH,
1699 /* Guest migration commands (incoming) */
1700 KVM_SEV_RECEIVE_START,
1701 KVM_SEV_RECEIVE_UPDATE_DATA,
1702 KVM_SEV_RECEIVE_UPDATE_VMSA,
1703 KVM_SEV_RECEIVE_FINISH,
1704 /* Guest status and debug commands */
1705 KVM_SEV_GUEST_STATUS,
1706 KVM_SEV_DBG_DECRYPT,
1707 KVM_SEV_DBG_ENCRYPT,
1708 /* Guest certificates commands */
1709 KVM_SEV_CERT_EXPORT,
1710 /* Attestation report */
1711 KVM_SEV_GET_ATTESTATION_REPORT,
1712 /* Guest Migration Extension */
1713 KVM_SEV_SEND_CANCEL,
1714
1715 KVM_SEV_NR_MAX,
1716 };
1717
1718 struct kvm_sev_cmd {
1719 __u32 id;
1720 __u64 data;
1721 __u32 error;
1722 __u32 sev_fd;
1723 };
1724
1725 struct kvm_sev_launch_start {
1726 __u32 handle;
1727 __u32 policy;
1728 __u64 dh_uaddr;
1729 __u32 dh_len;
1730 __u64 session_uaddr;
1731 __u32 session_len;
1732 };
1733
1734 struct kvm_sev_launch_update_data {
1735 __u64 uaddr;
1736 __u32 len;
1737 };
1738
1739
1740 struct kvm_sev_launch_secret {
1741 __u64 hdr_uaddr;
1742 __u32 hdr_len;
1743 __u64 guest_uaddr;
1744 __u32 guest_len;
1745 __u64 trans_uaddr;
1746 __u32 trans_len;
1747 };
1748
1749 struct kvm_sev_launch_measure {
1750 __u64 uaddr;
1751 __u32 len;
1752 };
1753
1754 struct kvm_sev_guest_status {
1755 __u32 handle;
1756 __u32 policy;
1757 __u32 state;
1758 };
1759
1760 struct kvm_sev_dbg {
1761 __u64 src_uaddr;
1762 __u64 dst_uaddr;
1763 __u32 len;
1764 };
1765
1766 struct kvm_sev_attestation_report {
1767 __u8 mnonce[16];
1768 __u64 uaddr;
1769 __u32 len;
1770 };
1771
1772 struct kvm_sev_send_start {
1773 __u32 policy;
1774 __u64 pdh_cert_uaddr;
1775 __u32 pdh_cert_len;
1776 __u64 plat_certs_uaddr;
1777 __u32 plat_certs_len;
1778 __u64 amd_certs_uaddr;
1779 __u32 amd_certs_len;
1780 __u64 session_uaddr;
1781 __u32 session_len;
1782 };
1783
1784 struct kvm_sev_send_update_data {
1785 __u64 hdr_uaddr;
1786 __u32 hdr_len;
1787 __u64 guest_uaddr;
1788 __u32 guest_len;
1789 __u64 trans_uaddr;
1790 __u32 trans_len;
1791 };
1792
1793 struct kvm_sev_receive_start {
1794 __u32 handle;
1795 __u32 policy;
1796 __u64 pdh_uaddr;
1797 __u32 pdh_len;
1798 __u64 session_uaddr;
1799 __u32 session_len;
1800 };
1801
1802 struct kvm_sev_receive_update_data {
1803 __u64 hdr_uaddr;
1804 __u32 hdr_len;
1805 __u64 guest_uaddr;
1806 __u32 guest_len;
1807 __u64 trans_uaddr;
1808 __u32 trans_len;
1809 };
1810
1811 #define KVM_DEV_ASSIGN_ENABLE_IOMMU (1 << 0)
1812 #define KVM_DEV_ASSIGN_PCI_2_3 (1 << 1)
1813 #define KVM_DEV_ASSIGN_MASK_INTX (1 << 2)
1814
1815 struct kvm_assigned_pci_dev {
1816 __u32 assigned_dev_id;
1817 __u32 busnr;
1818 __u32 devfn;
1819 __u32 flags;
1820 __u32 segnr;
1821 union {
1822 __u32 reserved[11];
1823 };
1824 };
1825
1826 #define KVM_DEV_IRQ_HOST_INTX (1 << 0)
1827 #define KVM_DEV_IRQ_HOST_MSI (1 << 1)
1828 #define KVM_DEV_IRQ_HOST_MSIX (1 << 2)
1829
1830 #define KVM_DEV_IRQ_GUEST_INTX (1 << 8)
1831 #define KVM_DEV_IRQ_GUEST_MSI (1 << 9)
1832 #define KVM_DEV_IRQ_GUEST_MSIX (1 << 10)
1833
1834 #define KVM_DEV_IRQ_HOST_MASK 0x00ff
1835 #define KVM_DEV_IRQ_GUEST_MASK 0xff00
1836
1837 struct kvm_assigned_irq {
1838 __u32 assigned_dev_id;
1839 __u32 host_irq; /* ignored (legacy field) */
1840 __u32 guest_irq;
1841 __u32 flags;
1842 union {
1843 __u32 reserved[12];
1844 };
1845 };
1846
1847 struct kvm_assigned_msix_nr {
1848 __u32 assigned_dev_id;
1849 __u16 entry_nr;
1850 __u16 padding;
1851 };
1852
1853 #define KVM_MAX_MSIX_PER_DEV 256
1854 struct kvm_assigned_msix_entry {
1855 __u32 assigned_dev_id;
1856 __u32 gsi;
1857 __u16 entry; /* The index of entry in the MSI-X table */
1858 __u16 padding[3];
1859 };
1860
1861 #define KVM_X2APIC_API_USE_32BIT_IDS (1ULL << 0)
1862 #define KVM_X2APIC_API_DISABLE_BROADCAST_QUIRK (1ULL << 1)
1863
1864 /* Available with KVM_CAP_ARM_USER_IRQ */
1865
1866 /* Bits for run->s.regs.device_irq_level */
1867 #define KVM_ARM_DEV_EL1_VTIMER (1 << 0)
1868 #define KVM_ARM_DEV_EL1_PTIMER (1 << 1)
1869 #define KVM_ARM_DEV_PMU (1 << 2)
1870
1871 struct kvm_hyperv_eventfd {
1872 __u32 conn_id;
1873 __s32 fd;
1874 __u32 flags;
1875 __u32 padding[3];
1876 };
1877
1878 #define KVM_HYPERV_CONN_ID_MASK 0x00ffffff
1879 #define KVM_HYPERV_EVENTFD_DEASSIGN (1 << 0)
1880
1881 #define KVM_DIRTY_LOG_MANUAL_PROTECT_ENABLE (1 << 0)
1882 #define KVM_DIRTY_LOG_INITIALLY_SET (1 << 1)
1883
1884 /*
1885 * Arch needs to define the macro after implementing the dirty ring
1886 * feature. KVM_DIRTY_LOG_PAGE_OFFSET should be defined as the
1887 * starting page offset of the dirty ring structures.
1888 */
1889 #ifndef KVM_DIRTY_LOG_PAGE_OFFSET
1890 #define KVM_DIRTY_LOG_PAGE_OFFSET 0
1891 #endif
1892
1893 /*
1894 * KVM dirty GFN flags, defined as:
1895 *
1896 * |---------------+---------------+--------------|
1897 * | bit 1 (reset) | bit 0 (dirty) | Status |
1898 * |---------------+---------------+--------------|
1899 * | 0 | 0 | Invalid GFN |
1900 * | 0 | 1 | Dirty GFN |
1901 * | 1 | X | GFN to reset |
1902 * |---------------+---------------+--------------|
1903 *
1904 * Lifecycle of a dirty GFN goes like:
1905 *
1906 * dirtied harvested reset
1907 * 00 -----------> 01 -------------> 1X -------+
1908 * ^ |
1909 * | |
1910 * +------------------------------------------+
1911 *
1912 * The userspace program is only responsible for the 01->1X state
1913 * conversion after harvesting an entry. Also, it must not skip any
1914 * dirty bits, so that dirty bits are always harvested in sequence.
1915 */
1916 #define KVM_DIRTY_GFN_F_DIRTY _BITUL(0)
1917 #define KVM_DIRTY_GFN_F_RESET _BITUL(1)
1918 #define KVM_DIRTY_GFN_F_MASK 0x3
1919
1920 /*
1921 * KVM dirty rings should be mapped at KVM_DIRTY_LOG_PAGE_OFFSET of
1922 * per-vcpu mmaped regions as an array of struct kvm_dirty_gfn. The
1923 * size of the gfn buffer is decided by the first argument when
1924 * enabling KVM_CAP_DIRTY_LOG_RING.
1925 */
1926 struct kvm_dirty_gfn {
1927 __u32 flags;
1928 __u32 slot;
1929 __u64 offset;
1930 };
1931
1932 #define KVM_BUS_LOCK_DETECTION_OFF (1 << 0)
1933 #define KVM_BUS_LOCK_DETECTION_EXIT (1 << 1)
1934
1935 /**
1936 * struct kvm_stats_header - Header of per vm/vcpu binary statistics data.
1937 * @flags: Some extra information for header, always 0 for now.
1938 * @name_size: The size in bytes of the memory which contains statistics
1939 * name string including trailing '\0'. The memory is allocated
1940 * at the send of statistics descriptor.
1941 * @num_desc: The number of statistics the vm or vcpu has.
1942 * @id_offset: The offset of the vm/vcpu stats' id string in the file pointed
1943 * by vm/vcpu stats fd.
1944 * @desc_offset: The offset of the vm/vcpu stats' descriptor block in the file
1945 * pointd by vm/vcpu stats fd.
1946 * @data_offset: The offset of the vm/vcpu stats' data block in the file
1947 * pointed by vm/vcpu stats fd.
1948 *
1949 * This is the header userspace needs to read from stats fd before any other
1950 * readings. It is used by userspace to discover all the information about the
1951 * vm/vcpu's binary statistics.
1952 * Userspace reads this header from the start of the vm/vcpu's stats fd.
1953 */
1954 struct kvm_stats_header {
1955 __u32 flags;
1956 __u32 name_size;
1957 __u32 num_desc;
1958 __u32 id_offset;
1959 __u32 desc_offset;
1960 __u32 data_offset;
1961 };
1962
1963 #define KVM_STATS_TYPE_SHIFT 0
1964 #define KVM_STATS_TYPE_MASK (0xF << KVM_STATS_TYPE_SHIFT)
1965 #define KVM_STATS_TYPE_CUMULATIVE (0x0 << KVM_STATS_TYPE_SHIFT)
1966 #define KVM_STATS_TYPE_INSTANT (0x1 << KVM_STATS_TYPE_SHIFT)
1967 #define KVM_STATS_TYPE_PEAK (0x2 << KVM_STATS_TYPE_SHIFT)
1968 #define KVM_STATS_TYPE_MAX KVM_STATS_TYPE_PEAK
1969
1970 #define KVM_STATS_UNIT_SHIFT 4
1971 #define KVM_STATS_UNIT_MASK (0xF << KVM_STATS_UNIT_SHIFT)
1972 #define KVM_STATS_UNIT_NONE (0x0 << KVM_STATS_UNIT_SHIFT)
1973 #define KVM_STATS_UNIT_BYTES (0x1 << KVM_STATS_UNIT_SHIFT)
1974 #define KVM_STATS_UNIT_SECONDS (0x2 << KVM_STATS_UNIT_SHIFT)
1975 #define KVM_STATS_UNIT_CYCLES (0x3 << KVM_STATS_UNIT_SHIFT)
1976 #define KVM_STATS_UNIT_MAX KVM_STATS_UNIT_CYCLES
1977
1978 #define KVM_STATS_BASE_SHIFT 8
1979 #define KVM_STATS_BASE_MASK (0xF << KVM_STATS_BASE_SHIFT)
1980 #define KVM_STATS_BASE_POW10 (0x0 << KVM_STATS_BASE_SHIFT)
1981 #define KVM_STATS_BASE_POW2 (0x1 << KVM_STATS_BASE_SHIFT)
1982 #define KVM_STATS_BASE_MAX KVM_STATS_BASE_POW2
1983
1984 /**
1985 * struct kvm_stats_desc - Descriptor of a KVM statistics.
1986 * @flags: Annotations of the stats, like type, unit, etc.
1987 * @exponent: Used together with @flags to determine the unit.
1988 * @size: The number of data items for this stats.
1989 * Every data item is of type __u64.
1990 * @offset: The offset of the stats to the start of stat structure in
1991 * struture kvm or kvm_vcpu.
1992 * @unused: Unused field for future usage. Always 0 for now.
1993 * @name: The name string for the stats. Its size is indicated by the
1994 * &kvm_stats_header->name_size.
1995 */
1996 struct kvm_stats_desc {
1997 __u32 flags;
1998 __s16 exponent;
1999 __u16 size;
2000 __u32 offset;
2001 __u32 unused;
2002 char name[];
2003 };
2004
2005 #define KVM_GET_STATS_FD _IO(KVMIO, 0xce)
2006
2007 #endif /* __LINUX_KVM_H */
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