linux-headers (unknown)
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_SET_USER_MEMORY_REGION */
90 struct kvm_userspace_memory_region {
91 __u32 slot;
92 __u32 flags;
93 __u64 guest_phys_addr;
94 __u64 memory_size; /* bytes */
95 __u64 userspace_addr; /* start of the userspace allocated memory */
96 };
97
98 /*
99 * The bit 0 ~ bit 15 of kvm_userspace_memory_region::flags are visible for
100 * userspace, other bits are reserved for kvm internal use which are defined
101 * in include/linux/kvm_host.h.
102 */
103 #define KVM_MEM_LOG_DIRTY_PAGES (1UL << 0)
104 #define KVM_MEM_READONLY (1UL << 1)
105
106 /* for KVM_IRQ_LINE */
107 struct kvm_irq_level {
108 /*
109 * ACPI gsi notion of irq.
110 * For IA-64 (APIC model) IOAPIC0: irq 0-23; IOAPIC1: irq 24-47..
111 * For X86 (standard AT mode) PIC0/1: irq 0-15. IOAPIC0: 0-23..
112 * For ARM: See Documentation/virt/kvm/api.rst
113 */
114 union {
115 __u32 irq;
116 __s32 status;
117 };
118 __u32 level;
119 };
120
121
122 struct kvm_irqchip {
123 __u32 chip_id;
124 __u32 pad;
125 union {
126 char dummy[512]; /* reserving space */
127 #ifdef __KVM_HAVE_PIT
128 struct kvm_pic_state pic;
129 #endif
130 #ifdef __KVM_HAVE_IOAPIC
131 struct kvm_ioapic_state ioapic;
132 #endif
133 } chip;
134 };
135
136 /* for KVM_CREATE_PIT2 */
137 struct kvm_pit_config {
138 __u32 flags;
139 __u32 pad[15];
140 };
141
142 #define KVM_PIT_SPEAKER_DUMMY 1
143
144 struct kvm_s390_skeys {
145 __u64 start_gfn;
146 __u64 count;
147 __u64 skeydata_addr;
148 __u32 flags;
149 __u32 reserved[9];
150 };
151
152 #define KVM_S390_CMMA_PEEK (1 << 0)
153
154 /**
155 * kvm_s390_cmma_log - Used for CMMA migration.
156 *
157 * Used both for input and output.
158 *
159 * @start_gfn: Guest page number to start from.
160 * @count: Size of the result buffer.
161 * @flags: Control operation mode via KVM_S390_CMMA_* flags
162 * @remaining: Used with KVM_S390_GET_CMMA_BITS. Indicates how many dirty
163 * pages are still remaining.
164 * @mask: Used with KVM_S390_SET_CMMA_BITS. Bitmap of bits to actually set
165 * in the PGSTE.
166 * @values: Pointer to the values buffer.
167 *
168 * Used in KVM_S390_{G,S}ET_CMMA_BITS ioctls.
169 */
170 struct kvm_s390_cmma_log {
171 __u64 start_gfn;
172 __u32 count;
173 __u32 flags;
174 union {
175 __u64 remaining;
176 __u64 mask;
177 };
178 __u64 values;
179 };
180
181 struct kvm_hyperv_exit {
182 #define KVM_EXIT_HYPERV_SYNIC 1
183 #define KVM_EXIT_HYPERV_HCALL 2
184 #define KVM_EXIT_HYPERV_SYNDBG 3
185 __u32 type;
186 __u32 pad1;
187 union {
188 struct {
189 __u32 msr;
190 __u32 pad2;
191 __u64 control;
192 __u64 evt_page;
193 __u64 msg_page;
194 } synic;
195 struct {
196 __u64 input;
197 __u64 result;
198 __u64 params[2];
199 } hcall;
200 struct {
201 __u32 msr;
202 __u32 pad2;
203 __u64 control;
204 __u64 status;
205 __u64 send_page;
206 __u64 recv_page;
207 __u64 pending_page;
208 } syndbg;
209 } u;
210 };
211
212 struct kvm_xen_exit {
213 #define KVM_EXIT_XEN_HCALL 1
214 __u32 type;
215 union {
216 struct {
217 __u32 longmode;
218 __u32 cpl;
219 __u64 input;
220 __u64 result;
221 __u64 params[6];
222 } hcall;
223 } u;
224 };
225
226 #define KVM_S390_GET_SKEYS_NONE 1
227 #define KVM_S390_SKEYS_MAX 1048576
228
229 #define KVM_EXIT_UNKNOWN 0
230 #define KVM_EXIT_EXCEPTION 1
231 #define KVM_EXIT_IO 2
232 #define KVM_EXIT_HYPERCALL 3
233 #define KVM_EXIT_DEBUG 4
234 #define KVM_EXIT_HLT 5
235 #define KVM_EXIT_MMIO 6
236 #define KVM_EXIT_IRQ_WINDOW_OPEN 7
237 #define KVM_EXIT_SHUTDOWN 8
238 #define KVM_EXIT_FAIL_ENTRY 9
239 #define KVM_EXIT_INTR 10
240 #define KVM_EXIT_SET_TPR 11
241 #define KVM_EXIT_TPR_ACCESS 12
242 #define KVM_EXIT_S390_SIEIC 13
243 #define KVM_EXIT_S390_RESET 14
244 #define KVM_EXIT_DCR 15 /* deprecated */
245 #define KVM_EXIT_NMI 16
246 #define KVM_EXIT_INTERNAL_ERROR 17
247 #define KVM_EXIT_OSI 18
248 #define KVM_EXIT_PAPR_HCALL 19
249 #define KVM_EXIT_S390_UCONTROL 20
250 #define KVM_EXIT_WATCHDOG 21
251 #define KVM_EXIT_S390_TSCH 22
252 #define KVM_EXIT_EPR 23
253 #define KVM_EXIT_SYSTEM_EVENT 24
254 #define KVM_EXIT_S390_STSI 25
255 #define KVM_EXIT_IOAPIC_EOI 26
256 #define KVM_EXIT_HYPERV 27
257 #define KVM_EXIT_ARM_NISV 28
258 #define KVM_EXIT_X86_RDMSR 29
259 #define KVM_EXIT_X86_WRMSR 30
260 #define KVM_EXIT_DIRTY_RING_FULL 31
261 #define KVM_EXIT_AP_RESET_HOLD 32
262 #define KVM_EXIT_X86_BUS_LOCK 33
263 #define KVM_EXIT_XEN 34
264 #define KVM_EXIT_RISCV_SBI 35
265 #define KVM_EXIT_RISCV_CSR 36
266 #define KVM_EXIT_NOTIFY 37
267
268 /* For KVM_EXIT_INTERNAL_ERROR */
269 /* Emulate instruction failed. */
270 #define KVM_INTERNAL_ERROR_EMULATION 1
271 /* Encounter unexpected simultaneous exceptions. */
272 #define KVM_INTERNAL_ERROR_SIMUL_EX 2
273 /* Encounter unexpected vm-exit due to delivery event. */
274 #define KVM_INTERNAL_ERROR_DELIVERY_EV 3
275 /* Encounter unexpected vm-exit reason */
276 #define KVM_INTERNAL_ERROR_UNEXPECTED_EXIT_REASON 4
277
278 /* Flags that describe what fields in emulation_failure hold valid data. */
279 #define KVM_INTERNAL_ERROR_EMULATION_FLAG_INSTRUCTION_BYTES (1ULL << 0)
280
281 /* for KVM_RUN, returned by mmap(vcpu_fd, offset=0) */
282 struct kvm_run {
283 /* in */
284 __u8 request_interrupt_window;
285 __u8 immediate_exit;
286 __u8 padding1[6];
287
288 /* out */
289 __u32 exit_reason;
290 __u8 ready_for_interrupt_injection;
291 __u8 if_flag;
292 __u16 flags;
293
294 /* in (pre_kvm_run), out (post_kvm_run) */
295 __u64 cr8;
296 __u64 apic_base;
297
298 #ifdef __KVM_S390
299 /* the processor status word for s390 */
300 __u64 psw_mask; /* psw upper half */
301 __u64 psw_addr; /* psw lower half */
302 #endif
303 union {
304 /* KVM_EXIT_UNKNOWN */
305 struct {
306 __u64 hardware_exit_reason;
307 } hw;
308 /* KVM_EXIT_FAIL_ENTRY */
309 struct {
310 __u64 hardware_entry_failure_reason;
311 __u32 cpu;
312 } fail_entry;
313 /* KVM_EXIT_EXCEPTION */
314 struct {
315 __u32 exception;
316 __u32 error_code;
317 } ex;
318 /* KVM_EXIT_IO */
319 struct {
320 #define KVM_EXIT_IO_IN 0
321 #define KVM_EXIT_IO_OUT 1
322 __u8 direction;
323 __u8 size; /* bytes */
324 __u16 port;
325 __u32 count;
326 __u64 data_offset; /* relative to kvm_run start */
327 } io;
328 /* KVM_EXIT_DEBUG */
329 struct {
330 struct kvm_debug_exit_arch arch;
331 } debug;
332 /* KVM_EXIT_MMIO */
333 struct {
334 __u64 phys_addr;
335 __u8 data[8];
336 __u32 len;
337 __u8 is_write;
338 } mmio;
339 /* KVM_EXIT_HYPERCALL */
340 struct {
341 __u64 nr;
342 __u64 args[6];
343 __u64 ret;
344
345 union {
346 __u32 longmode;
347 __u64 flags;
348 };
349 } hypercall;
350 /* KVM_EXIT_TPR_ACCESS */
351 struct {
352 __u64 rip;
353 __u32 is_write;
354 __u32 pad;
355 } tpr_access;
356 /* KVM_EXIT_S390_SIEIC */
357 struct {
358 __u8 icptcode;
359 __u16 ipa;
360 __u32 ipb;
361 } s390_sieic;
362 /* KVM_EXIT_S390_RESET */
363 #define KVM_S390_RESET_POR 1
364 #define KVM_S390_RESET_CLEAR 2
365 #define KVM_S390_RESET_SUBSYSTEM 4
366 #define KVM_S390_RESET_CPU_INIT 8
367 #define KVM_S390_RESET_IPL 16
368 __u64 s390_reset_flags;
369 /* KVM_EXIT_S390_UCONTROL */
370 struct {
371 __u64 trans_exc_code;
372 __u32 pgm_code;
373 } s390_ucontrol;
374 /* KVM_EXIT_DCR (deprecated) */
375 struct {
376 __u32 dcrn;
377 __u32 data;
378 __u8 is_write;
379 } dcr;
380 /* KVM_EXIT_INTERNAL_ERROR */
381 struct {
382 __u32 suberror;
383 /* Available with KVM_CAP_INTERNAL_ERROR_DATA: */
384 __u32 ndata;
385 __u64 data[16];
386 } internal;
387 /*
388 * KVM_INTERNAL_ERROR_EMULATION
389 *
390 * "struct emulation_failure" is an overlay of "struct internal"
391 * that is used for the KVM_INTERNAL_ERROR_EMULATION sub-type of
392 * KVM_EXIT_INTERNAL_ERROR. Note, unlike other internal error
393 * sub-types, this struct is ABI! It also needs to be backwards
394 * compatible with "struct internal". Take special care that
395 * "ndata" is correct, that new fields are enumerated in "flags",
396 * and that each flag enumerates fields that are 64-bit aligned
397 * and sized (so that ndata+internal.data[] is valid/accurate).
398 *
399 * Space beyond the defined fields may be used to store arbitrary
400 * debug information relating to the emulation failure. It is
401 * accounted for in "ndata" but the format is unspecified and is
402 * not represented in "flags". Any such information is *not* ABI!
403 */
404 struct {
405 __u32 suberror;
406 __u32 ndata;
407 __u64 flags;
408 union {
409 struct {
410 __u8 insn_size;
411 __u8 insn_bytes[15];
412 };
413 };
414 /* Arbitrary debug data may follow. */
415 } emulation_failure;
416 /* KVM_EXIT_OSI */
417 struct {
418 __u64 gprs[32];
419 } osi;
420 /* KVM_EXIT_PAPR_HCALL */
421 struct {
422 __u64 nr;
423 __u64 ret;
424 __u64 args[9];
425 } papr_hcall;
426 /* KVM_EXIT_S390_TSCH */
427 struct {
428 __u16 subchannel_id;
429 __u16 subchannel_nr;
430 __u32 io_int_parm;
431 __u32 io_int_word;
432 __u32 ipb;
433 __u8 dequeued;
434 } s390_tsch;
435 /* KVM_EXIT_EPR */
436 struct {
437 __u32 epr;
438 } epr;
439 /* KVM_EXIT_SYSTEM_EVENT */
440 struct {
441 #define KVM_SYSTEM_EVENT_SHUTDOWN 1
442 #define KVM_SYSTEM_EVENT_RESET 2
443 #define KVM_SYSTEM_EVENT_CRASH 3
444 #define KVM_SYSTEM_EVENT_WAKEUP 4
445 #define KVM_SYSTEM_EVENT_SUSPEND 5
446 #define KVM_SYSTEM_EVENT_SEV_TERM 6
447 __u32 type;
448 __u32 ndata;
449 union {
450 __u64 flags;
451 __u64 data[16];
452 };
453 } system_event;
454 /* KVM_EXIT_S390_STSI */
455 struct {
456 __u64 addr;
457 __u8 ar;
458 __u8 reserved;
459 __u8 fc;
460 __u8 sel1;
461 __u16 sel2;
462 } s390_stsi;
463 /* KVM_EXIT_IOAPIC_EOI */
464 struct {
465 __u8 vector;
466 } eoi;
467 /* KVM_EXIT_HYPERV */
468 struct kvm_hyperv_exit hyperv;
469 /* KVM_EXIT_ARM_NISV */
470 struct {
471 __u64 esr_iss;
472 __u64 fault_ipa;
473 } arm_nisv;
474 /* KVM_EXIT_X86_RDMSR / KVM_EXIT_X86_WRMSR */
475 struct {
476 __u8 error; /* user -> kernel */
477 __u8 pad[7];
478 #define KVM_MSR_EXIT_REASON_INVAL (1 << 0)
479 #define KVM_MSR_EXIT_REASON_UNKNOWN (1 << 1)
480 #define KVM_MSR_EXIT_REASON_FILTER (1 << 2)
481 #define KVM_MSR_EXIT_REASON_VALID_MASK (KVM_MSR_EXIT_REASON_INVAL | \
482 KVM_MSR_EXIT_REASON_UNKNOWN | \
483 KVM_MSR_EXIT_REASON_FILTER)
484 __u32 reason; /* kernel -> user */
485 __u32 index; /* kernel -> user */
486 __u64 data; /* kernel <-> user */
487 } msr;
488 /* KVM_EXIT_XEN */
489 struct kvm_xen_exit xen;
490 /* KVM_EXIT_RISCV_SBI */
491 struct {
492 unsigned long extension_id;
493 unsigned long function_id;
494 unsigned long args[6];
495 unsigned long ret[2];
496 } riscv_sbi;
497 /* KVM_EXIT_RISCV_CSR */
498 struct {
499 unsigned long csr_num;
500 unsigned long new_value;
501 unsigned long write_mask;
502 unsigned long ret_value;
503 } riscv_csr;
504 /* KVM_EXIT_NOTIFY */
505 struct {
506 #define KVM_NOTIFY_CONTEXT_INVALID (1 << 0)
507 __u32 flags;
508 } notify;
509 /* Fix the size of the union. */
510 char padding[256];
511 };
512
513 /* 2048 is the size of the char array used to bound/pad the size
514 * of the union that holds sync regs.
515 */
516 #define SYNC_REGS_SIZE_BYTES 2048
517 /*
518 * shared registers between kvm and userspace.
519 * kvm_valid_regs specifies the register classes set by the host
520 * kvm_dirty_regs specified the register classes dirtied by userspace
521 * struct kvm_sync_regs is architecture specific, as well as the
522 * bits for kvm_valid_regs and kvm_dirty_regs
523 */
524 __u64 kvm_valid_regs;
525 __u64 kvm_dirty_regs;
526 union {
527 struct kvm_sync_regs regs;
528 char padding[SYNC_REGS_SIZE_BYTES];
529 } s;
530 };
531
532 /* for KVM_REGISTER_COALESCED_MMIO / KVM_UNREGISTER_COALESCED_MMIO */
533
534 struct kvm_coalesced_mmio_zone {
535 __u64 addr;
536 __u32 size;
537 union {
538 __u32 pad;
539 __u32 pio;
540 };
541 };
542
543 struct kvm_coalesced_mmio {
544 __u64 phys_addr;
545 __u32 len;
546 union {
547 __u32 pad;
548 __u32 pio;
549 };
550 __u8 data[8];
551 };
552
553 struct kvm_coalesced_mmio_ring {
554 __u32 first, last;
555 struct kvm_coalesced_mmio coalesced_mmio[];
556 };
557
558 #define KVM_COALESCED_MMIO_MAX \
559 ((PAGE_SIZE - sizeof(struct kvm_coalesced_mmio_ring)) / \
560 sizeof(struct kvm_coalesced_mmio))
561
562 /* for KVM_TRANSLATE */
563 struct kvm_translation {
564 /* in */
565 __u64 linear_address;
566
567 /* out */
568 __u64 physical_address;
569 __u8 valid;
570 __u8 writeable;
571 __u8 usermode;
572 __u8 pad[5];
573 };
574
575 /* for KVM_S390_MEM_OP */
576 struct kvm_s390_mem_op {
577 /* in */
578 __u64 gaddr; /* the guest address */
579 __u64 flags; /* flags */
580 __u32 size; /* amount of bytes */
581 __u32 op; /* type of operation */
582 __u64 buf; /* buffer in userspace */
583 union {
584 struct {
585 __u8 ar; /* the access register number */
586 __u8 key; /* access key, ignored if flag unset */
587 __u8 pad1[6]; /* ignored */
588 __u64 old_addr; /* ignored if cmpxchg flag unset */
589 };
590 __u32 sida_offset; /* offset into the sida */
591 __u8 reserved[32]; /* ignored */
592 };
593 };
594 /* types for kvm_s390_mem_op->op */
595 #define KVM_S390_MEMOP_LOGICAL_READ 0
596 #define KVM_S390_MEMOP_LOGICAL_WRITE 1
597 #define KVM_S390_MEMOP_SIDA_READ 2
598 #define KVM_S390_MEMOP_SIDA_WRITE 3
599 #define KVM_S390_MEMOP_ABSOLUTE_READ 4
600 #define KVM_S390_MEMOP_ABSOLUTE_WRITE 5
601 #define KVM_S390_MEMOP_ABSOLUTE_CMPXCHG 6
602
603 /* flags for kvm_s390_mem_op->flags */
604 #define KVM_S390_MEMOP_F_CHECK_ONLY (1ULL << 0)
605 #define KVM_S390_MEMOP_F_INJECT_EXCEPTION (1ULL << 1)
606 #define KVM_S390_MEMOP_F_SKEY_PROTECTION (1ULL << 2)
607
608 /* flags specifying extension support via KVM_CAP_S390_MEM_OP_EXTENSION */
609 #define KVM_S390_MEMOP_EXTENSION_CAP_BASE (1 << 0)
610 #define KVM_S390_MEMOP_EXTENSION_CAP_CMPXCHG (1 << 1)
611
612 /* for KVM_INTERRUPT */
613 struct kvm_interrupt {
614 /* in */
615 __u32 irq;
616 };
617
618 /* for KVM_GET_DIRTY_LOG */
619 struct kvm_dirty_log {
620 __u32 slot;
621 __u32 padding1;
622 union {
623 void *dirty_bitmap; /* one bit per page */
624 __u64 padding2;
625 };
626 };
627
628 /* for KVM_CLEAR_DIRTY_LOG */
629 struct kvm_clear_dirty_log {
630 __u32 slot;
631 __u32 num_pages;
632 __u64 first_page;
633 union {
634 void *dirty_bitmap; /* one bit per page */
635 __u64 padding2;
636 };
637 };
638
639 /* for KVM_SET_SIGNAL_MASK */
640 struct kvm_signal_mask {
641 __u32 len;
642 __u8 sigset[];
643 };
644
645 /* for KVM_TPR_ACCESS_REPORTING */
646 struct kvm_tpr_access_ctl {
647 __u32 enabled;
648 __u32 flags;
649 __u32 reserved[8];
650 };
651
652 /* for KVM_SET_VAPIC_ADDR */
653 struct kvm_vapic_addr {
654 __u64 vapic_addr;
655 };
656
657 /* for KVM_SET_MP_STATE */
658
659 /* not all states are valid on all architectures */
660 #define KVM_MP_STATE_RUNNABLE 0
661 #define KVM_MP_STATE_UNINITIALIZED 1
662 #define KVM_MP_STATE_INIT_RECEIVED 2
663 #define KVM_MP_STATE_HALTED 3
664 #define KVM_MP_STATE_SIPI_RECEIVED 4
665 #define KVM_MP_STATE_STOPPED 5
666 #define KVM_MP_STATE_CHECK_STOP 6
667 #define KVM_MP_STATE_OPERATING 7
668 #define KVM_MP_STATE_LOAD 8
669 #define KVM_MP_STATE_AP_RESET_HOLD 9
670 #define KVM_MP_STATE_SUSPENDED 10
671
672 struct kvm_mp_state {
673 __u32 mp_state;
674 };
675
676 struct kvm_s390_psw {
677 __u64 mask;
678 __u64 addr;
679 };
680
681 /* valid values for type in kvm_s390_interrupt */
682 #define KVM_S390_SIGP_STOP 0xfffe0000u
683 #define KVM_S390_PROGRAM_INT 0xfffe0001u
684 #define KVM_S390_SIGP_SET_PREFIX 0xfffe0002u
685 #define KVM_S390_RESTART 0xfffe0003u
686 #define KVM_S390_INT_PFAULT_INIT 0xfffe0004u
687 #define KVM_S390_INT_PFAULT_DONE 0xfffe0005u
688 #define KVM_S390_MCHK 0xfffe1000u
689 #define KVM_S390_INT_CLOCK_COMP 0xffff1004u
690 #define KVM_S390_INT_CPU_TIMER 0xffff1005u
691 #define KVM_S390_INT_VIRTIO 0xffff2603u
692 #define KVM_S390_INT_SERVICE 0xffff2401u
693 #define KVM_S390_INT_EMERGENCY 0xffff1201u
694 #define KVM_S390_INT_EXTERNAL_CALL 0xffff1202u
695 /* Anything below 0xfffe0000u is taken by INT_IO */
696 #define KVM_S390_INT_IO(ai,cssid,ssid,schid) \
697 (((schid)) | \
698 ((ssid) << 16) | \
699 ((cssid) << 18) | \
700 ((ai) << 26))
701 #define KVM_S390_INT_IO_MIN 0x00000000u
702 #define KVM_S390_INT_IO_MAX 0xfffdffffu
703 #define KVM_S390_INT_IO_AI_MASK 0x04000000u
704
705
706 struct kvm_s390_interrupt {
707 __u32 type;
708 __u32 parm;
709 __u64 parm64;
710 };
711
712 struct kvm_s390_io_info {
713 __u16 subchannel_id;
714 __u16 subchannel_nr;
715 __u32 io_int_parm;
716 __u32 io_int_word;
717 };
718
719 struct kvm_s390_ext_info {
720 __u32 ext_params;
721 __u32 pad;
722 __u64 ext_params2;
723 };
724
725 struct kvm_s390_pgm_info {
726 __u64 trans_exc_code;
727 __u64 mon_code;
728 __u64 per_address;
729 __u32 data_exc_code;
730 __u16 code;
731 __u16 mon_class_nr;
732 __u8 per_code;
733 __u8 per_atmid;
734 __u8 exc_access_id;
735 __u8 per_access_id;
736 __u8 op_access_id;
737 #define KVM_S390_PGM_FLAGS_ILC_VALID 0x01
738 #define KVM_S390_PGM_FLAGS_ILC_0 0x02
739 #define KVM_S390_PGM_FLAGS_ILC_1 0x04
740 #define KVM_S390_PGM_FLAGS_ILC_MASK 0x06
741 #define KVM_S390_PGM_FLAGS_NO_REWIND 0x08
742 __u8 flags;
743 __u8 pad[2];
744 };
745
746 struct kvm_s390_prefix_info {
747 __u32 address;
748 };
749
750 struct kvm_s390_extcall_info {
751 __u16 code;
752 };
753
754 struct kvm_s390_emerg_info {
755 __u16 code;
756 };
757
758 #define KVM_S390_STOP_FLAG_STORE_STATUS 0x01
759 struct kvm_s390_stop_info {
760 __u32 flags;
761 };
762
763 struct kvm_s390_mchk_info {
764 __u64 cr14;
765 __u64 mcic;
766 __u64 failing_storage_address;
767 __u32 ext_damage_code;
768 __u32 pad;
769 __u8 fixed_logout[16];
770 };
771
772 struct kvm_s390_irq {
773 __u64 type;
774 union {
775 struct kvm_s390_io_info io;
776 struct kvm_s390_ext_info ext;
777 struct kvm_s390_pgm_info pgm;
778 struct kvm_s390_emerg_info emerg;
779 struct kvm_s390_extcall_info extcall;
780 struct kvm_s390_prefix_info prefix;
781 struct kvm_s390_stop_info stop;
782 struct kvm_s390_mchk_info mchk;
783 char reserved[64];
784 } u;
785 };
786
787 struct kvm_s390_irq_state {
788 __u64 buf;
789 __u32 flags; /* will stay unused for compatibility reasons */
790 __u32 len;
791 __u32 reserved[4]; /* will stay unused for compatibility reasons */
792 };
793
794 /* for KVM_SET_GUEST_DEBUG */
795
796 #define KVM_GUESTDBG_ENABLE 0x00000001
797 #define KVM_GUESTDBG_SINGLESTEP 0x00000002
798
799 struct kvm_guest_debug {
800 __u32 control;
801 __u32 pad;
802 struct kvm_guest_debug_arch arch;
803 };
804
805 enum {
806 kvm_ioeventfd_flag_nr_datamatch,
807 kvm_ioeventfd_flag_nr_pio,
808 kvm_ioeventfd_flag_nr_deassign,
809 kvm_ioeventfd_flag_nr_virtio_ccw_notify,
810 kvm_ioeventfd_flag_nr_fast_mmio,
811 kvm_ioeventfd_flag_nr_max,
812 };
813
814 #define KVM_IOEVENTFD_FLAG_DATAMATCH (1 << kvm_ioeventfd_flag_nr_datamatch)
815 #define KVM_IOEVENTFD_FLAG_PIO (1 << kvm_ioeventfd_flag_nr_pio)
816 #define KVM_IOEVENTFD_FLAG_DEASSIGN (1 << kvm_ioeventfd_flag_nr_deassign)
817 #define KVM_IOEVENTFD_FLAG_VIRTIO_CCW_NOTIFY \
818 (1 << kvm_ioeventfd_flag_nr_virtio_ccw_notify)
819
820 #define KVM_IOEVENTFD_VALID_FLAG_MASK ((1 << kvm_ioeventfd_flag_nr_max) - 1)
821
822 struct kvm_ioeventfd {
823 __u64 datamatch;
824 __u64 addr; /* legal pio/mmio address */
825 __u32 len; /* 1, 2, 4, or 8 bytes; or 0 to ignore length */
826 __s32 fd;
827 __u32 flags;
828 __u8 pad[36];
829 };
830
831 #define KVM_X86_DISABLE_EXITS_MWAIT (1 << 0)
832 #define KVM_X86_DISABLE_EXITS_HLT (1 << 1)
833 #define KVM_X86_DISABLE_EXITS_PAUSE (1 << 2)
834 #define KVM_X86_DISABLE_EXITS_CSTATE (1 << 3)
835 #define KVM_X86_DISABLE_VALID_EXITS (KVM_X86_DISABLE_EXITS_MWAIT | \
836 KVM_X86_DISABLE_EXITS_HLT | \
837 KVM_X86_DISABLE_EXITS_PAUSE | \
838 KVM_X86_DISABLE_EXITS_CSTATE)
839
840 /* for KVM_ENABLE_CAP */
841 struct kvm_enable_cap {
842 /* in */
843 __u32 cap;
844 __u32 flags;
845 __u64 args[4];
846 __u8 pad[64];
847 };
848
849 /* for KVM_PPC_GET_PVINFO */
850
851 #define KVM_PPC_PVINFO_FLAGS_EV_IDLE (1<<0)
852
853 struct kvm_ppc_pvinfo {
854 /* out */
855 __u32 flags;
856 __u32 hcall[4];
857 __u8 pad[108];
858 };
859
860 /* for KVM_PPC_GET_SMMU_INFO */
861 #define KVM_PPC_PAGE_SIZES_MAX_SZ 8
862
863 struct kvm_ppc_one_page_size {
864 __u32 page_shift; /* Page shift (or 0) */
865 __u32 pte_enc; /* Encoding in the HPTE (>>12) */
866 };
867
868 struct kvm_ppc_one_seg_page_size {
869 __u32 page_shift; /* Base page shift of segment (or 0) */
870 __u32 slb_enc; /* SLB encoding for BookS */
871 struct kvm_ppc_one_page_size enc[KVM_PPC_PAGE_SIZES_MAX_SZ];
872 };
873
874 #define KVM_PPC_PAGE_SIZES_REAL 0x00000001
875 #define KVM_PPC_1T_SEGMENTS 0x00000002
876 #define KVM_PPC_NO_HASH 0x00000004
877
878 struct kvm_ppc_smmu_info {
879 __u64 flags;
880 __u32 slb_size;
881 __u16 data_keys; /* # storage keys supported for data */
882 __u16 instr_keys; /* # storage keys supported for instructions */
883 struct kvm_ppc_one_seg_page_size sps[KVM_PPC_PAGE_SIZES_MAX_SZ];
884 };
885
886 /* for KVM_PPC_RESIZE_HPT_{PREPARE,COMMIT} */
887 struct kvm_ppc_resize_hpt {
888 __u64 flags;
889 __u32 shift;
890 __u32 pad;
891 };
892
893 #define KVMIO 0xAE
894
895 /* machine type bits, to be used as argument to KVM_CREATE_VM */
896 #define KVM_VM_S390_UCONTROL 1
897
898 /* on ppc, 0 indicate default, 1 should force HV and 2 PR */
899 #define KVM_VM_PPC_HV 1
900 #define KVM_VM_PPC_PR 2
901
902 /* on MIPS, 0 indicates auto, 1 forces VZ ASE, 2 forces trap & emulate */
903 #define KVM_VM_MIPS_AUTO 0
904 #define KVM_VM_MIPS_VZ 1
905 #define KVM_VM_MIPS_TE 2
906
907 #define KVM_S390_SIE_PAGE_OFFSET 1
908
909 /*
910 * On arm64, machine type can be used to request the physical
911 * address size for the VM. Bits[7-0] are reserved for the guest
912 * PA size shift (i.e, log2(PA_Size)). For backward compatibility,
913 * value 0 implies the default IPA size, 40bits.
914 */
915 #define KVM_VM_TYPE_ARM_IPA_SIZE_MASK 0xffULL
916 #define KVM_VM_TYPE_ARM_IPA_SIZE(x) \
917 ((x) & KVM_VM_TYPE_ARM_IPA_SIZE_MASK)
918 /*
919 * ioctls for /dev/kvm fds:
920 */
921 #define KVM_GET_API_VERSION _IO(KVMIO, 0x00)
922 #define KVM_CREATE_VM _IO(KVMIO, 0x01) /* returns a VM fd */
923 #define KVM_GET_MSR_INDEX_LIST _IOWR(KVMIO, 0x02, struct kvm_msr_list)
924
925 #define KVM_S390_ENABLE_SIE _IO(KVMIO, 0x06)
926 /*
927 * Check if a kvm extension is available. Argument is extension number,
928 * return is 1 (yes) or 0 (no, sorry).
929 */
930 #define KVM_CHECK_EXTENSION _IO(KVMIO, 0x03)
931 /*
932 * Get size for mmap(vcpu_fd)
933 */
934 #define KVM_GET_VCPU_MMAP_SIZE _IO(KVMIO, 0x04) /* in bytes */
935 #define KVM_GET_SUPPORTED_CPUID _IOWR(KVMIO, 0x05, struct kvm_cpuid2)
936 #define KVM_TRACE_ENABLE __KVM_DEPRECATED_MAIN_W_0x06
937 #define KVM_TRACE_PAUSE __KVM_DEPRECATED_MAIN_0x07
938 #define KVM_TRACE_DISABLE __KVM_DEPRECATED_MAIN_0x08
939 #define KVM_GET_EMULATED_CPUID _IOWR(KVMIO, 0x09, struct kvm_cpuid2)
940 #define KVM_GET_MSR_FEATURE_INDEX_LIST _IOWR(KVMIO, 0x0a, struct kvm_msr_list)
941
942 /*
943 * Extension capability list.
944 */
945 #define KVM_CAP_IRQCHIP 0
946 #define KVM_CAP_HLT 1
947 #define KVM_CAP_MMU_SHADOW_CACHE_CONTROL 2
948 #define KVM_CAP_USER_MEMORY 3
949 #define KVM_CAP_SET_TSS_ADDR 4
950 #define KVM_CAP_VAPIC 6
951 #define KVM_CAP_EXT_CPUID 7
952 #define KVM_CAP_CLOCKSOURCE 8
953 #define KVM_CAP_NR_VCPUS 9 /* returns recommended max vcpus per vm */
954 #define KVM_CAP_NR_MEMSLOTS 10 /* returns max memory slots per vm */
955 #define KVM_CAP_PIT 11
956 #define KVM_CAP_NOP_IO_DELAY 12
957 #define KVM_CAP_PV_MMU 13
958 #define KVM_CAP_MP_STATE 14
959 #define KVM_CAP_COALESCED_MMIO 15
960 #define KVM_CAP_SYNC_MMU 16 /* Changes to host mmap are reflected in guest */
961 #define KVM_CAP_IOMMU 18
962 /* Bug in KVM_SET_USER_MEMORY_REGION fixed: */
963 #define KVM_CAP_DESTROY_MEMORY_REGION_WORKS 21
964 #define KVM_CAP_USER_NMI 22
965 #ifdef __KVM_HAVE_GUEST_DEBUG
966 #define KVM_CAP_SET_GUEST_DEBUG 23
967 #endif
968 #ifdef __KVM_HAVE_PIT
969 #define KVM_CAP_REINJECT_CONTROL 24
970 #endif
971 #define KVM_CAP_IRQ_ROUTING 25
972 #define KVM_CAP_IRQ_INJECT_STATUS 26
973 #define KVM_CAP_ASSIGN_DEV_IRQ 29
974 /* Another bug in KVM_SET_USER_MEMORY_REGION fixed: */
975 #define KVM_CAP_JOIN_MEMORY_REGIONS_WORKS 30
976 #ifdef __KVM_HAVE_MCE
977 #define KVM_CAP_MCE 31
978 #endif
979 #define KVM_CAP_IRQFD 32
980 #ifdef __KVM_HAVE_PIT
981 #define KVM_CAP_PIT2 33
982 #endif
983 #define KVM_CAP_SET_BOOT_CPU_ID 34
984 #ifdef __KVM_HAVE_PIT_STATE2
985 #define KVM_CAP_PIT_STATE2 35
986 #endif
987 #define KVM_CAP_IOEVENTFD 36
988 #define KVM_CAP_SET_IDENTITY_MAP_ADDR 37
989 #ifdef __KVM_HAVE_XEN_HVM
990 #define KVM_CAP_XEN_HVM 38
991 #endif
992 #define KVM_CAP_ADJUST_CLOCK 39
993 #define KVM_CAP_INTERNAL_ERROR_DATA 40
994 #ifdef __KVM_HAVE_VCPU_EVENTS
995 #define KVM_CAP_VCPU_EVENTS 41
996 #endif
997 #define KVM_CAP_S390_PSW 42
998 #define KVM_CAP_PPC_SEGSTATE 43
999 #define KVM_CAP_HYPERV 44
1000 #define KVM_CAP_HYPERV_VAPIC 45
1001 #define KVM_CAP_HYPERV_SPIN 46
1002 #define KVM_CAP_PCI_SEGMENT 47
1003 #define KVM_CAP_PPC_PAIRED_SINGLES 48
1004 #define KVM_CAP_INTR_SHADOW 49
1005 #ifdef __KVM_HAVE_DEBUGREGS
1006 #define KVM_CAP_DEBUGREGS 50
1007 #endif
1008 #define KVM_CAP_X86_ROBUST_SINGLESTEP 51
1009 #define KVM_CAP_PPC_OSI 52
1010 #define KVM_CAP_PPC_UNSET_IRQ 53
1011 #define KVM_CAP_ENABLE_CAP 54
1012 #ifdef __KVM_HAVE_XSAVE
1013 #define KVM_CAP_XSAVE 55
1014 #endif
1015 #ifdef __KVM_HAVE_XCRS
1016 #define KVM_CAP_XCRS 56
1017 #endif
1018 #define KVM_CAP_PPC_GET_PVINFO 57
1019 #define KVM_CAP_PPC_IRQ_LEVEL 58
1020 #define KVM_CAP_ASYNC_PF 59
1021 #define KVM_CAP_TSC_CONTROL 60
1022 #define KVM_CAP_GET_TSC_KHZ 61
1023 #define KVM_CAP_PPC_BOOKE_SREGS 62
1024 #define KVM_CAP_SPAPR_TCE 63
1025 #define KVM_CAP_PPC_SMT 64
1026 #define KVM_CAP_PPC_RMA 65
1027 #define KVM_CAP_MAX_VCPUS 66 /* returns max vcpus per vm */
1028 #define KVM_CAP_PPC_HIOR 67
1029 #define KVM_CAP_PPC_PAPR 68
1030 #define KVM_CAP_SW_TLB 69
1031 #define KVM_CAP_ONE_REG 70
1032 #define KVM_CAP_S390_GMAP 71
1033 #define KVM_CAP_TSC_DEADLINE_TIMER 72
1034 #define KVM_CAP_S390_UCONTROL 73
1035 #define KVM_CAP_SYNC_REGS 74
1036 #define KVM_CAP_PCI_2_3 75
1037 #define KVM_CAP_KVMCLOCK_CTRL 76
1038 #define KVM_CAP_SIGNAL_MSI 77
1039 #define KVM_CAP_PPC_GET_SMMU_INFO 78
1040 #define KVM_CAP_S390_COW 79
1041 #define KVM_CAP_PPC_ALLOC_HTAB 80
1042 #define KVM_CAP_READONLY_MEM 81
1043 #define KVM_CAP_IRQFD_RESAMPLE 82
1044 #define KVM_CAP_PPC_BOOKE_WATCHDOG 83
1045 #define KVM_CAP_PPC_HTAB_FD 84
1046 #define KVM_CAP_S390_CSS_SUPPORT 85
1047 #define KVM_CAP_PPC_EPR 86
1048 #define KVM_CAP_ARM_PSCI 87
1049 #define KVM_CAP_ARM_SET_DEVICE_ADDR 88
1050 #define KVM_CAP_DEVICE_CTRL 89
1051 #define KVM_CAP_IRQ_MPIC 90
1052 #define KVM_CAP_PPC_RTAS 91
1053 #define KVM_CAP_IRQ_XICS 92
1054 #define KVM_CAP_ARM_EL1_32BIT 93
1055 #define KVM_CAP_SPAPR_MULTITCE 94
1056 #define KVM_CAP_EXT_EMUL_CPUID 95
1057 #define KVM_CAP_HYPERV_TIME 96
1058 #define KVM_CAP_IOAPIC_POLARITY_IGNORED 97
1059 #define KVM_CAP_ENABLE_CAP_VM 98
1060 #define KVM_CAP_S390_IRQCHIP 99
1061 #define KVM_CAP_IOEVENTFD_NO_LENGTH 100
1062 #define KVM_CAP_VM_ATTRIBUTES 101
1063 #define KVM_CAP_ARM_PSCI_0_2 102
1064 #define KVM_CAP_PPC_FIXUP_HCALL 103
1065 #define KVM_CAP_PPC_ENABLE_HCALL 104
1066 #define KVM_CAP_CHECK_EXTENSION_VM 105
1067 #define KVM_CAP_S390_USER_SIGP 106
1068 #define KVM_CAP_S390_VECTOR_REGISTERS 107
1069 #define KVM_CAP_S390_MEM_OP 108
1070 #define KVM_CAP_S390_USER_STSI 109
1071 #define KVM_CAP_S390_SKEYS 110
1072 #define KVM_CAP_MIPS_FPU 111
1073 #define KVM_CAP_MIPS_MSA 112
1074 #define KVM_CAP_S390_INJECT_IRQ 113
1075 #define KVM_CAP_S390_IRQ_STATE 114
1076 #define KVM_CAP_PPC_HWRNG 115
1077 #define KVM_CAP_DISABLE_QUIRKS 116
1078 #define KVM_CAP_X86_SMM 117
1079 #define KVM_CAP_MULTI_ADDRESS_SPACE 118
1080 #define KVM_CAP_GUEST_DEBUG_HW_BPS 119
1081 #define KVM_CAP_GUEST_DEBUG_HW_WPS 120
1082 #define KVM_CAP_SPLIT_IRQCHIP 121
1083 #define KVM_CAP_IOEVENTFD_ANY_LENGTH 122
1084 #define KVM_CAP_HYPERV_SYNIC 123
1085 #define KVM_CAP_S390_RI 124
1086 #define KVM_CAP_SPAPR_TCE_64 125
1087 #define KVM_CAP_ARM_PMU_V3 126
1088 #define KVM_CAP_VCPU_ATTRIBUTES 127
1089 #define KVM_CAP_MAX_VCPU_ID 128
1090 #define KVM_CAP_X2APIC_API 129
1091 #define KVM_CAP_S390_USER_INSTR0 130
1092 #define KVM_CAP_MSI_DEVID 131
1093 #define KVM_CAP_PPC_HTM 132
1094 #define KVM_CAP_SPAPR_RESIZE_HPT 133
1095 #define KVM_CAP_PPC_MMU_RADIX 134
1096 #define KVM_CAP_PPC_MMU_HASH_V3 135
1097 #define KVM_CAP_IMMEDIATE_EXIT 136
1098 #define KVM_CAP_MIPS_VZ 137
1099 #define KVM_CAP_MIPS_TE 138
1100 #define KVM_CAP_MIPS_64BIT 139
1101 #define KVM_CAP_S390_GS 140
1102 #define KVM_CAP_S390_AIS 141
1103 #define KVM_CAP_SPAPR_TCE_VFIO 142
1104 #define KVM_CAP_X86_DISABLE_EXITS 143
1105 #define KVM_CAP_ARM_USER_IRQ 144
1106 #define KVM_CAP_S390_CMMA_MIGRATION 145
1107 #define KVM_CAP_PPC_FWNMI 146
1108 #define KVM_CAP_PPC_SMT_POSSIBLE 147
1109 #define KVM_CAP_HYPERV_SYNIC2 148
1110 #define KVM_CAP_HYPERV_VP_INDEX 149
1111 #define KVM_CAP_S390_AIS_MIGRATION 150
1112 #define KVM_CAP_PPC_GET_CPU_CHAR 151
1113 #define KVM_CAP_S390_BPB 152
1114 #define KVM_CAP_GET_MSR_FEATURES 153
1115 #define KVM_CAP_HYPERV_EVENTFD 154
1116 #define KVM_CAP_HYPERV_TLBFLUSH 155
1117 #define KVM_CAP_S390_HPAGE_1M 156
1118 #define KVM_CAP_NESTED_STATE 157
1119 #define KVM_CAP_ARM_INJECT_SERROR_ESR 158
1120 #define KVM_CAP_MSR_PLATFORM_INFO 159
1121 #define KVM_CAP_PPC_NESTED_HV 160
1122 #define KVM_CAP_HYPERV_SEND_IPI 161
1123 #define KVM_CAP_COALESCED_PIO 162
1124 #define KVM_CAP_HYPERV_ENLIGHTENED_VMCS 163
1125 #define KVM_CAP_EXCEPTION_PAYLOAD 164
1126 #define KVM_CAP_ARM_VM_IPA_SIZE 165
1127 #define KVM_CAP_MANUAL_DIRTY_LOG_PROTECT 166 /* Obsolete */
1128 #define KVM_CAP_HYPERV_CPUID 167
1129 #define KVM_CAP_MANUAL_DIRTY_LOG_PROTECT2 168
1130 #define KVM_CAP_PPC_IRQ_XIVE 169
1131 #define KVM_CAP_ARM_SVE 170
1132 #define KVM_CAP_ARM_PTRAUTH_ADDRESS 171
1133 #define KVM_CAP_ARM_PTRAUTH_GENERIC 172
1134 #define KVM_CAP_PMU_EVENT_FILTER 173
1135 #define KVM_CAP_ARM_IRQ_LINE_LAYOUT_2 174
1136 #define KVM_CAP_HYPERV_DIRECT_TLBFLUSH 175
1137 #define KVM_CAP_PPC_GUEST_DEBUG_SSTEP 176
1138 #define KVM_CAP_ARM_NISV_TO_USER 177
1139 #define KVM_CAP_ARM_INJECT_EXT_DABT 178
1140 #define KVM_CAP_S390_VCPU_RESETS 179
1141 #define KVM_CAP_S390_PROTECTED 180
1142 #define KVM_CAP_PPC_SECURE_GUEST 181
1143 #define KVM_CAP_HALT_POLL 182
1144 #define KVM_CAP_ASYNC_PF_INT 183
1145 #define KVM_CAP_LAST_CPU 184
1146 #define KVM_CAP_SMALLER_MAXPHYADDR 185
1147 #define KVM_CAP_S390_DIAG318 186
1148 #define KVM_CAP_STEAL_TIME 187
1149 #define KVM_CAP_X86_USER_SPACE_MSR 188
1150 #define KVM_CAP_X86_MSR_FILTER 189
1151 #define KVM_CAP_ENFORCE_PV_FEATURE_CPUID 190
1152 #define KVM_CAP_SYS_HYPERV_CPUID 191
1153 #define KVM_CAP_DIRTY_LOG_RING 192
1154 #define KVM_CAP_X86_BUS_LOCK_EXIT 193
1155 #define KVM_CAP_PPC_DAWR1 194
1156 #define KVM_CAP_SET_GUEST_DEBUG2 195
1157 #define KVM_CAP_SGX_ATTRIBUTE 196
1158 #define KVM_CAP_VM_COPY_ENC_CONTEXT_FROM 197
1159 #define KVM_CAP_PTP_KVM 198
1160 #define KVM_CAP_HYPERV_ENFORCE_CPUID 199
1161 #define KVM_CAP_SREGS2 200
1162 #define KVM_CAP_EXIT_HYPERCALL 201
1163 #define KVM_CAP_PPC_RPT_INVALIDATE 202
1164 #define KVM_CAP_BINARY_STATS_FD 203
1165 #define KVM_CAP_EXIT_ON_EMULATION_FAILURE 204
1166 #define KVM_CAP_ARM_MTE 205
1167 #define KVM_CAP_VM_MOVE_ENC_CONTEXT_FROM 206
1168 #define KVM_CAP_VM_GPA_BITS 207
1169 #define KVM_CAP_XSAVE2 208
1170 #define KVM_CAP_SYS_ATTRIBUTES 209
1171 #define KVM_CAP_PPC_AIL_MODE_3 210
1172 #define KVM_CAP_S390_MEM_OP_EXTENSION 211
1173 #define KVM_CAP_PMU_CAPABILITY 212
1174 #define KVM_CAP_DISABLE_QUIRKS2 213
1175 #define KVM_CAP_VM_TSC_CONTROL 214
1176 #define KVM_CAP_SYSTEM_EVENT_DATA 215
1177 #define KVM_CAP_ARM_SYSTEM_SUSPEND 216
1178 #define KVM_CAP_S390_PROTECTED_DUMP 217
1179 #define KVM_CAP_X86_TRIPLE_FAULT_EVENT 218
1180 #define KVM_CAP_X86_NOTIFY_VMEXIT 219
1181 #define KVM_CAP_VM_DISABLE_NX_HUGE_PAGES 220
1182 #define KVM_CAP_S390_ZPCI_OP 221
1183 #define KVM_CAP_S390_CPU_TOPOLOGY 222
1184 #define KVM_CAP_DIRTY_LOG_RING_ACQ_REL 223
1185 #define KVM_CAP_S390_PROTECTED_ASYNC_DISABLE 224
1186 #define KVM_CAP_DIRTY_LOG_RING_WITH_BITMAP 225
1187 #define KVM_CAP_PMU_EVENT_MASKED_EVENTS 226
1188 #define KVM_CAP_COUNTER_OFFSET 227
1189
1190 #ifdef KVM_CAP_IRQ_ROUTING
1191
1192 struct kvm_irq_routing_irqchip {
1193 __u32 irqchip;
1194 __u32 pin;
1195 };
1196
1197 struct kvm_irq_routing_msi {
1198 __u32 address_lo;
1199 __u32 address_hi;
1200 __u32 data;
1201 union {
1202 __u32 pad;
1203 __u32 devid;
1204 };
1205 };
1206
1207 struct kvm_irq_routing_s390_adapter {
1208 __u64 ind_addr;
1209 __u64 summary_addr;
1210 __u64 ind_offset;
1211 __u32 summary_offset;
1212 __u32 adapter_id;
1213 };
1214
1215 struct kvm_irq_routing_hv_sint {
1216 __u32 vcpu;
1217 __u32 sint;
1218 };
1219
1220 struct kvm_irq_routing_xen_evtchn {
1221 __u32 port;
1222 __u32 vcpu;
1223 __u32 priority;
1224 };
1225
1226 #define KVM_IRQ_ROUTING_XEN_EVTCHN_PRIO_2LEVEL ((__u32)(-1))
1227
1228 /* gsi routing entry types */
1229 #define KVM_IRQ_ROUTING_IRQCHIP 1
1230 #define KVM_IRQ_ROUTING_MSI 2
1231 #define KVM_IRQ_ROUTING_S390_ADAPTER 3
1232 #define KVM_IRQ_ROUTING_HV_SINT 4
1233 #define KVM_IRQ_ROUTING_XEN_EVTCHN 5
1234
1235 struct kvm_irq_routing_entry {
1236 __u32 gsi;
1237 __u32 type;
1238 __u32 flags;
1239 __u32 pad;
1240 union {
1241 struct kvm_irq_routing_irqchip irqchip;
1242 struct kvm_irq_routing_msi msi;
1243 struct kvm_irq_routing_s390_adapter adapter;
1244 struct kvm_irq_routing_hv_sint hv_sint;
1245 struct kvm_irq_routing_xen_evtchn xen_evtchn;
1246 __u32 pad[8];
1247 } u;
1248 };
1249
1250 struct kvm_irq_routing {
1251 __u32 nr;
1252 __u32 flags;
1253 struct kvm_irq_routing_entry entries[];
1254 };
1255
1256 #endif
1257
1258 #ifdef KVM_CAP_MCE
1259 /* x86 MCE */
1260 struct kvm_x86_mce {
1261 __u64 status;
1262 __u64 addr;
1263 __u64 misc;
1264 __u64 mcg_status;
1265 __u8 bank;
1266 __u8 pad1[7];
1267 __u64 pad2[3];
1268 };
1269 #endif
1270
1271 #ifdef KVM_CAP_XEN_HVM
1272 #define KVM_XEN_HVM_CONFIG_HYPERCALL_MSR (1 << 0)
1273 #define KVM_XEN_HVM_CONFIG_INTERCEPT_HCALL (1 << 1)
1274 #define KVM_XEN_HVM_CONFIG_SHARED_INFO (1 << 2)
1275 #define KVM_XEN_HVM_CONFIG_RUNSTATE (1 << 3)
1276 #define KVM_XEN_HVM_CONFIG_EVTCHN_2LEVEL (1 << 4)
1277 #define KVM_XEN_HVM_CONFIG_EVTCHN_SEND (1 << 5)
1278 #define KVM_XEN_HVM_CONFIG_RUNSTATE_UPDATE_FLAG (1 << 6)
1279
1280 struct kvm_xen_hvm_config {
1281 __u32 flags;
1282 __u32 msr;
1283 __u64 blob_addr_32;
1284 __u64 blob_addr_64;
1285 __u8 blob_size_32;
1286 __u8 blob_size_64;
1287 __u8 pad2[30];
1288 };
1289 #endif
1290
1291 #define KVM_IRQFD_FLAG_DEASSIGN (1 << 0)
1292 /*
1293 * Available with KVM_CAP_IRQFD_RESAMPLE
1294 *
1295 * KVM_IRQFD_FLAG_RESAMPLE indicates resamplefd is valid and specifies
1296 * the irqfd to operate in resampling mode for level triggered interrupt
1297 * emulation. See Documentation/virt/kvm/api.rst.
1298 */
1299 #define KVM_IRQFD_FLAG_RESAMPLE (1 << 1)
1300
1301 struct kvm_irqfd {
1302 __u32 fd;
1303 __u32 gsi;
1304 __u32 flags;
1305 __u32 resamplefd;
1306 __u8 pad[16];
1307 };
1308
1309 /* For KVM_CAP_ADJUST_CLOCK */
1310
1311 /* Do not use 1, KVM_CHECK_EXTENSION returned it before we had flags. */
1312 #define KVM_CLOCK_TSC_STABLE 2
1313 #define KVM_CLOCK_REALTIME (1 << 2)
1314 #define KVM_CLOCK_HOST_TSC (1 << 3)
1315
1316 struct kvm_clock_data {
1317 __u64 clock;
1318 __u32 flags;
1319 __u32 pad0;
1320 __u64 realtime;
1321 __u64 host_tsc;
1322 __u32 pad[4];
1323 };
1324
1325 /* For KVM_CAP_SW_TLB */
1326
1327 #define KVM_MMU_FSL_BOOKE_NOHV 0
1328 #define KVM_MMU_FSL_BOOKE_HV 1
1329
1330 struct kvm_config_tlb {
1331 __u64 params;
1332 __u64 array;
1333 __u32 mmu_type;
1334 __u32 array_len;
1335 };
1336
1337 struct kvm_dirty_tlb {
1338 __u64 bitmap;
1339 __u32 num_dirty;
1340 };
1341
1342 /* Available with KVM_CAP_ONE_REG */
1343
1344 #define KVM_REG_ARCH_MASK 0xff00000000000000ULL
1345 #define KVM_REG_GENERIC 0x0000000000000000ULL
1346
1347 /*
1348 * Architecture specific registers are to be defined in arch headers and
1349 * ORed with the arch identifier.
1350 */
1351 #define KVM_REG_PPC 0x1000000000000000ULL
1352 #define KVM_REG_X86 0x2000000000000000ULL
1353 #define KVM_REG_IA64 0x3000000000000000ULL
1354 #define KVM_REG_ARM 0x4000000000000000ULL
1355 #define KVM_REG_S390 0x5000000000000000ULL
1356 #define KVM_REG_ARM64 0x6000000000000000ULL
1357 #define KVM_REG_MIPS 0x7000000000000000ULL
1358 #define KVM_REG_RISCV 0x8000000000000000ULL
1359
1360 #define KVM_REG_SIZE_SHIFT 52
1361 #define KVM_REG_SIZE_MASK 0x00f0000000000000ULL
1362 #define KVM_REG_SIZE_U8 0x0000000000000000ULL
1363 #define KVM_REG_SIZE_U16 0x0010000000000000ULL
1364 #define KVM_REG_SIZE_U32 0x0020000000000000ULL
1365 #define KVM_REG_SIZE_U64 0x0030000000000000ULL
1366 #define KVM_REG_SIZE_U128 0x0040000000000000ULL
1367 #define KVM_REG_SIZE_U256 0x0050000000000000ULL
1368 #define KVM_REG_SIZE_U512 0x0060000000000000ULL
1369 #define KVM_REG_SIZE_U1024 0x0070000000000000ULL
1370 #define KVM_REG_SIZE_U2048 0x0080000000000000ULL
1371
1372 struct kvm_reg_list {
1373 __u64 n; /* number of regs */
1374 __u64 reg[];
1375 };
1376
1377 struct kvm_one_reg {
1378 __u64 id;
1379 __u64 addr;
1380 };
1381
1382 #define KVM_MSI_VALID_DEVID (1U << 0)
1383 struct kvm_msi {
1384 __u32 address_lo;
1385 __u32 address_hi;
1386 __u32 data;
1387 __u32 flags;
1388 __u32 devid;
1389 __u8 pad[12];
1390 };
1391
1392 struct kvm_arm_device_addr {
1393 __u64 id;
1394 __u64 addr;
1395 };
1396
1397 /*
1398 * Device control API, available with KVM_CAP_DEVICE_CTRL
1399 */
1400 #define KVM_CREATE_DEVICE_TEST 1
1401
1402 struct kvm_create_device {
1403 __u32 type; /* in: KVM_DEV_TYPE_xxx */
1404 __u32 fd; /* out: device handle */
1405 __u32 flags; /* in: KVM_CREATE_DEVICE_xxx */
1406 };
1407
1408 struct kvm_device_attr {
1409 __u32 flags; /* no flags currently defined */
1410 __u32 group; /* device-defined */
1411 __u64 attr; /* group-defined */
1412 __u64 addr; /* userspace address of attr data */
1413 };
1414
1415 #define KVM_DEV_VFIO_GROUP 1
1416 #define KVM_DEV_VFIO_GROUP_ADD 1
1417 #define KVM_DEV_VFIO_GROUP_DEL 2
1418 #define KVM_DEV_VFIO_GROUP_SET_SPAPR_TCE 3
1419
1420 enum kvm_device_type {
1421 KVM_DEV_TYPE_FSL_MPIC_20 = 1,
1422 #define KVM_DEV_TYPE_FSL_MPIC_20 KVM_DEV_TYPE_FSL_MPIC_20
1423 KVM_DEV_TYPE_FSL_MPIC_42,
1424 #define KVM_DEV_TYPE_FSL_MPIC_42 KVM_DEV_TYPE_FSL_MPIC_42
1425 KVM_DEV_TYPE_XICS,
1426 #define KVM_DEV_TYPE_XICS KVM_DEV_TYPE_XICS
1427 KVM_DEV_TYPE_VFIO,
1428 #define KVM_DEV_TYPE_VFIO KVM_DEV_TYPE_VFIO
1429 KVM_DEV_TYPE_ARM_VGIC_V2,
1430 #define KVM_DEV_TYPE_ARM_VGIC_V2 KVM_DEV_TYPE_ARM_VGIC_V2
1431 KVM_DEV_TYPE_FLIC,
1432 #define KVM_DEV_TYPE_FLIC KVM_DEV_TYPE_FLIC
1433 KVM_DEV_TYPE_ARM_VGIC_V3,
1434 #define KVM_DEV_TYPE_ARM_VGIC_V3 KVM_DEV_TYPE_ARM_VGIC_V3
1435 KVM_DEV_TYPE_ARM_VGIC_ITS,
1436 #define KVM_DEV_TYPE_ARM_VGIC_ITS KVM_DEV_TYPE_ARM_VGIC_ITS
1437 KVM_DEV_TYPE_XIVE,
1438 #define KVM_DEV_TYPE_XIVE KVM_DEV_TYPE_XIVE
1439 KVM_DEV_TYPE_ARM_PV_TIME,
1440 #define KVM_DEV_TYPE_ARM_PV_TIME KVM_DEV_TYPE_ARM_PV_TIME
1441 KVM_DEV_TYPE_MAX,
1442 };
1443
1444 struct kvm_vfio_spapr_tce {
1445 __s32 groupfd;
1446 __s32 tablefd;
1447 };
1448
1449 /*
1450 * KVM_CREATE_VCPU receives as a parameter the vcpu slot, and returns
1451 * a vcpu fd.
1452 */
1453 #define KVM_CREATE_VCPU _IO(KVMIO, 0x41)
1454 #define KVM_GET_DIRTY_LOG _IOW(KVMIO, 0x42, struct kvm_dirty_log)
1455 #define KVM_SET_NR_MMU_PAGES _IO(KVMIO, 0x44)
1456 #define KVM_GET_NR_MMU_PAGES _IO(KVMIO, 0x45) /* deprecated */
1457 #define KVM_SET_USER_MEMORY_REGION _IOW(KVMIO, 0x46, \
1458 struct kvm_userspace_memory_region)
1459 #define KVM_SET_TSS_ADDR _IO(KVMIO, 0x47)
1460 #define KVM_SET_IDENTITY_MAP_ADDR _IOW(KVMIO, 0x48, __u64)
1461
1462 /* enable ucontrol for s390 */
1463 struct kvm_s390_ucas_mapping {
1464 __u64 user_addr;
1465 __u64 vcpu_addr;
1466 __u64 length;
1467 };
1468 #define KVM_S390_UCAS_MAP _IOW(KVMIO, 0x50, struct kvm_s390_ucas_mapping)
1469 #define KVM_S390_UCAS_UNMAP _IOW(KVMIO, 0x51, struct kvm_s390_ucas_mapping)
1470 #define KVM_S390_VCPU_FAULT _IOW(KVMIO, 0x52, unsigned long)
1471
1472 /* Device model IOC */
1473 #define KVM_CREATE_IRQCHIP _IO(KVMIO, 0x60)
1474 #define KVM_IRQ_LINE _IOW(KVMIO, 0x61, struct kvm_irq_level)
1475 #define KVM_GET_IRQCHIP _IOWR(KVMIO, 0x62, struct kvm_irqchip)
1476 #define KVM_SET_IRQCHIP _IOR(KVMIO, 0x63, struct kvm_irqchip)
1477 #define KVM_CREATE_PIT _IO(KVMIO, 0x64)
1478 #define KVM_GET_PIT _IOWR(KVMIO, 0x65, struct kvm_pit_state)
1479 #define KVM_SET_PIT _IOR(KVMIO, 0x66, struct kvm_pit_state)
1480 #define KVM_IRQ_LINE_STATUS _IOWR(KVMIO, 0x67, struct kvm_irq_level)
1481 #define KVM_REGISTER_COALESCED_MMIO \
1482 _IOW(KVMIO, 0x67, struct kvm_coalesced_mmio_zone)
1483 #define KVM_UNREGISTER_COALESCED_MMIO \
1484 _IOW(KVMIO, 0x68, struct kvm_coalesced_mmio_zone)
1485 #define KVM_ASSIGN_PCI_DEVICE _IOR(KVMIO, 0x69, \
1486 struct kvm_assigned_pci_dev)
1487 #define KVM_SET_GSI_ROUTING _IOW(KVMIO, 0x6a, struct kvm_irq_routing)
1488 /* deprecated, replaced by KVM_ASSIGN_DEV_IRQ */
1489 #define KVM_ASSIGN_IRQ __KVM_DEPRECATED_VM_R_0x70
1490 #define KVM_ASSIGN_DEV_IRQ _IOW(KVMIO, 0x70, struct kvm_assigned_irq)
1491 #define KVM_REINJECT_CONTROL _IO(KVMIO, 0x71)
1492 #define KVM_DEASSIGN_PCI_DEVICE _IOW(KVMIO, 0x72, \
1493 struct kvm_assigned_pci_dev)
1494 #define KVM_ASSIGN_SET_MSIX_NR _IOW(KVMIO, 0x73, \
1495 struct kvm_assigned_msix_nr)
1496 #define KVM_ASSIGN_SET_MSIX_ENTRY _IOW(KVMIO, 0x74, \
1497 struct kvm_assigned_msix_entry)
1498 #define KVM_DEASSIGN_DEV_IRQ _IOW(KVMIO, 0x75, struct kvm_assigned_irq)
1499 #define KVM_IRQFD _IOW(KVMIO, 0x76, struct kvm_irqfd)
1500 #define KVM_CREATE_PIT2 _IOW(KVMIO, 0x77, struct kvm_pit_config)
1501 #define KVM_SET_BOOT_CPU_ID _IO(KVMIO, 0x78)
1502 #define KVM_IOEVENTFD _IOW(KVMIO, 0x79, struct kvm_ioeventfd)
1503 #define KVM_XEN_HVM_CONFIG _IOW(KVMIO, 0x7a, struct kvm_xen_hvm_config)
1504 #define KVM_SET_CLOCK _IOW(KVMIO, 0x7b, struct kvm_clock_data)
1505 #define KVM_GET_CLOCK _IOR(KVMIO, 0x7c, struct kvm_clock_data)
1506 /* Available with KVM_CAP_PIT_STATE2 */
1507 #define KVM_GET_PIT2 _IOR(KVMIO, 0x9f, struct kvm_pit_state2)
1508 #define KVM_SET_PIT2 _IOW(KVMIO, 0xa0, struct kvm_pit_state2)
1509 /* Available with KVM_CAP_PPC_GET_PVINFO */
1510 #define KVM_PPC_GET_PVINFO _IOW(KVMIO, 0xa1, struct kvm_ppc_pvinfo)
1511 /* Available with KVM_CAP_TSC_CONTROL for a vCPU, or with
1512 * KVM_CAP_VM_TSC_CONTROL to set defaults for a VM */
1513 #define KVM_SET_TSC_KHZ _IO(KVMIO, 0xa2)
1514 #define KVM_GET_TSC_KHZ _IO(KVMIO, 0xa3)
1515 /* Available with KVM_CAP_PCI_2_3 */
1516 #define KVM_ASSIGN_SET_INTX_MASK _IOW(KVMIO, 0xa4, \
1517 struct kvm_assigned_pci_dev)
1518 /* Available with KVM_CAP_SIGNAL_MSI */
1519 #define KVM_SIGNAL_MSI _IOW(KVMIO, 0xa5, struct kvm_msi)
1520 /* Available with KVM_CAP_PPC_GET_SMMU_INFO */
1521 #define KVM_PPC_GET_SMMU_INFO _IOR(KVMIO, 0xa6, struct kvm_ppc_smmu_info)
1522 /* Available with KVM_CAP_PPC_ALLOC_HTAB */
1523 #define KVM_PPC_ALLOCATE_HTAB _IOWR(KVMIO, 0xa7, __u32)
1524 #define KVM_CREATE_SPAPR_TCE _IOW(KVMIO, 0xa8, struct kvm_create_spapr_tce)
1525 #define KVM_CREATE_SPAPR_TCE_64 _IOW(KVMIO, 0xa8, \
1526 struct kvm_create_spapr_tce_64)
1527 /* Available with KVM_CAP_RMA */
1528 #define KVM_ALLOCATE_RMA _IOR(KVMIO, 0xa9, struct kvm_allocate_rma)
1529 /* Available with KVM_CAP_PPC_HTAB_FD */
1530 #define KVM_PPC_GET_HTAB_FD _IOW(KVMIO, 0xaa, struct kvm_get_htab_fd)
1531 /* Available with KVM_CAP_ARM_SET_DEVICE_ADDR */
1532 #define KVM_ARM_SET_DEVICE_ADDR _IOW(KVMIO, 0xab, struct kvm_arm_device_addr)
1533 /* Available with KVM_CAP_PPC_RTAS */
1534 #define KVM_PPC_RTAS_DEFINE_TOKEN _IOW(KVMIO, 0xac, struct kvm_rtas_token_args)
1535 /* Available with KVM_CAP_SPAPR_RESIZE_HPT */
1536 #define KVM_PPC_RESIZE_HPT_PREPARE _IOR(KVMIO, 0xad, struct kvm_ppc_resize_hpt)
1537 #define KVM_PPC_RESIZE_HPT_COMMIT _IOR(KVMIO, 0xae, struct kvm_ppc_resize_hpt)
1538 /* Available with KVM_CAP_PPC_RADIX_MMU or KVM_CAP_PPC_HASH_MMU_V3 */
1539 #define KVM_PPC_CONFIGURE_V3_MMU _IOW(KVMIO, 0xaf, struct kvm_ppc_mmuv3_cfg)
1540 /* Available with KVM_CAP_PPC_RADIX_MMU */
1541 #define KVM_PPC_GET_RMMU_INFO _IOW(KVMIO, 0xb0, struct kvm_ppc_rmmu_info)
1542 /* Available with KVM_CAP_PPC_GET_CPU_CHAR */
1543 #define KVM_PPC_GET_CPU_CHAR _IOR(KVMIO, 0xb1, struct kvm_ppc_cpu_char)
1544 /* Available with KVM_CAP_PMU_EVENT_FILTER */
1545 #define KVM_SET_PMU_EVENT_FILTER _IOW(KVMIO, 0xb2, struct kvm_pmu_event_filter)
1546 #define KVM_PPC_SVM_OFF _IO(KVMIO, 0xb3)
1547 #define KVM_ARM_MTE_COPY_TAGS _IOR(KVMIO, 0xb4, struct kvm_arm_copy_mte_tags)
1548 /* Available with KVM_CAP_COUNTER_OFFSET */
1549 #define KVM_ARM_SET_COUNTER_OFFSET _IOW(KVMIO, 0xb5, struct kvm_arm_counter_offset)
1550
1551 /* ioctl for vm fd */
1552 #define KVM_CREATE_DEVICE _IOWR(KVMIO, 0xe0, struct kvm_create_device)
1553
1554 /* ioctls for fds returned by KVM_CREATE_DEVICE */
1555 #define KVM_SET_DEVICE_ATTR _IOW(KVMIO, 0xe1, struct kvm_device_attr)
1556 #define KVM_GET_DEVICE_ATTR _IOW(KVMIO, 0xe2, struct kvm_device_attr)
1557 #define KVM_HAS_DEVICE_ATTR _IOW(KVMIO, 0xe3, struct kvm_device_attr)
1558
1559 /*
1560 * ioctls for vcpu fds
1561 */
1562 #define KVM_RUN _IO(KVMIO, 0x80)
1563 #define KVM_GET_REGS _IOR(KVMIO, 0x81, struct kvm_regs)
1564 #define KVM_SET_REGS _IOW(KVMIO, 0x82, struct kvm_regs)
1565 #define KVM_GET_SREGS _IOR(KVMIO, 0x83, struct kvm_sregs)
1566 #define KVM_SET_SREGS _IOW(KVMIO, 0x84, struct kvm_sregs)
1567 #define KVM_TRANSLATE _IOWR(KVMIO, 0x85, struct kvm_translation)
1568 #define KVM_INTERRUPT _IOW(KVMIO, 0x86, struct kvm_interrupt)
1569 /* KVM_DEBUG_GUEST is no longer supported, use KVM_SET_GUEST_DEBUG instead */
1570 #define KVM_DEBUG_GUEST __KVM_DEPRECATED_VCPU_W_0x87
1571 #define KVM_GET_MSRS _IOWR(KVMIO, 0x88, struct kvm_msrs)
1572 #define KVM_SET_MSRS _IOW(KVMIO, 0x89, struct kvm_msrs)
1573 #define KVM_SET_CPUID _IOW(KVMIO, 0x8a, struct kvm_cpuid)
1574 #define KVM_SET_SIGNAL_MASK _IOW(KVMIO, 0x8b, struct kvm_signal_mask)
1575 #define KVM_GET_FPU _IOR(KVMIO, 0x8c, struct kvm_fpu)
1576 #define KVM_SET_FPU _IOW(KVMIO, 0x8d, struct kvm_fpu)
1577 #define KVM_GET_LAPIC _IOR(KVMIO, 0x8e, struct kvm_lapic_state)
1578 #define KVM_SET_LAPIC _IOW(KVMIO, 0x8f, struct kvm_lapic_state)
1579 #define KVM_SET_CPUID2 _IOW(KVMIO, 0x90, struct kvm_cpuid2)
1580 #define KVM_GET_CPUID2 _IOWR(KVMIO, 0x91, struct kvm_cpuid2)
1581 /* Available with KVM_CAP_VAPIC */
1582 #define KVM_TPR_ACCESS_REPORTING _IOWR(KVMIO, 0x92, struct kvm_tpr_access_ctl)
1583 /* Available with KVM_CAP_VAPIC */
1584 #define KVM_SET_VAPIC_ADDR _IOW(KVMIO, 0x93, struct kvm_vapic_addr)
1585 /* valid for virtual machine (for floating interrupt)_and_ vcpu */
1586 #define KVM_S390_INTERRUPT _IOW(KVMIO, 0x94, struct kvm_s390_interrupt)
1587 /* store status for s390 */
1588 #define KVM_S390_STORE_STATUS_NOADDR (-1ul)
1589 #define KVM_S390_STORE_STATUS_PREFIXED (-2ul)
1590 #define KVM_S390_STORE_STATUS _IOW(KVMIO, 0x95, unsigned long)
1591 /* initial ipl psw for s390 */
1592 #define KVM_S390_SET_INITIAL_PSW _IOW(KVMIO, 0x96, struct kvm_s390_psw)
1593 /* initial reset for s390 */
1594 #define KVM_S390_INITIAL_RESET _IO(KVMIO, 0x97)
1595 #define KVM_GET_MP_STATE _IOR(KVMIO, 0x98, struct kvm_mp_state)
1596 #define KVM_SET_MP_STATE _IOW(KVMIO, 0x99, struct kvm_mp_state)
1597 /* Available with KVM_CAP_USER_NMI */
1598 #define KVM_NMI _IO(KVMIO, 0x9a)
1599 /* Available with KVM_CAP_SET_GUEST_DEBUG */
1600 #define KVM_SET_GUEST_DEBUG _IOW(KVMIO, 0x9b, struct kvm_guest_debug)
1601 /* MCE for x86 */
1602 #define KVM_X86_SETUP_MCE _IOW(KVMIO, 0x9c, __u64)
1603 #define KVM_X86_GET_MCE_CAP_SUPPORTED _IOR(KVMIO, 0x9d, __u64)
1604 #define KVM_X86_SET_MCE _IOW(KVMIO, 0x9e, struct kvm_x86_mce)
1605 /* Available with KVM_CAP_VCPU_EVENTS */
1606 #define KVM_GET_VCPU_EVENTS _IOR(KVMIO, 0x9f, struct kvm_vcpu_events)
1607 #define KVM_SET_VCPU_EVENTS _IOW(KVMIO, 0xa0, struct kvm_vcpu_events)
1608 /* Available with KVM_CAP_DEBUGREGS */
1609 #define KVM_GET_DEBUGREGS _IOR(KVMIO, 0xa1, struct kvm_debugregs)
1610 #define KVM_SET_DEBUGREGS _IOW(KVMIO, 0xa2, struct kvm_debugregs)
1611 /*
1612 * vcpu version available with KVM_ENABLE_CAP
1613 * vm version available with KVM_CAP_ENABLE_CAP_VM
1614 */
1615 #define KVM_ENABLE_CAP _IOW(KVMIO, 0xa3, struct kvm_enable_cap)
1616 /* Available with KVM_CAP_XSAVE */
1617 #define KVM_GET_XSAVE _IOR(KVMIO, 0xa4, struct kvm_xsave)
1618 #define KVM_SET_XSAVE _IOW(KVMIO, 0xa5, struct kvm_xsave)
1619 /* Available with KVM_CAP_XCRS */
1620 #define KVM_GET_XCRS _IOR(KVMIO, 0xa6, struct kvm_xcrs)
1621 #define KVM_SET_XCRS _IOW(KVMIO, 0xa7, struct kvm_xcrs)
1622 /* Available with KVM_CAP_SW_TLB */
1623 #define KVM_DIRTY_TLB _IOW(KVMIO, 0xaa, struct kvm_dirty_tlb)
1624 /* Available with KVM_CAP_ONE_REG */
1625 #define KVM_GET_ONE_REG _IOW(KVMIO, 0xab, struct kvm_one_reg)
1626 #define KVM_SET_ONE_REG _IOW(KVMIO, 0xac, struct kvm_one_reg)
1627 /* VM is being stopped by host */
1628 #define KVM_KVMCLOCK_CTRL _IO(KVMIO, 0xad)
1629 #define KVM_ARM_VCPU_INIT _IOW(KVMIO, 0xae, struct kvm_vcpu_init)
1630 #define KVM_ARM_PREFERRED_TARGET _IOR(KVMIO, 0xaf, struct kvm_vcpu_init)
1631 #define KVM_GET_REG_LIST _IOWR(KVMIO, 0xb0, struct kvm_reg_list)
1632 /* Available with KVM_CAP_S390_MEM_OP */
1633 #define KVM_S390_MEM_OP _IOW(KVMIO, 0xb1, struct kvm_s390_mem_op)
1634 /* Available with KVM_CAP_S390_SKEYS */
1635 #define KVM_S390_GET_SKEYS _IOW(KVMIO, 0xb2, struct kvm_s390_skeys)
1636 #define KVM_S390_SET_SKEYS _IOW(KVMIO, 0xb3, struct kvm_s390_skeys)
1637 /* Available with KVM_CAP_S390_INJECT_IRQ */
1638 #define KVM_S390_IRQ _IOW(KVMIO, 0xb4, struct kvm_s390_irq)
1639 /* Available with KVM_CAP_S390_IRQ_STATE */
1640 #define KVM_S390_SET_IRQ_STATE _IOW(KVMIO, 0xb5, struct kvm_s390_irq_state)
1641 #define KVM_S390_GET_IRQ_STATE _IOW(KVMIO, 0xb6, struct kvm_s390_irq_state)
1642 /* Available with KVM_CAP_X86_SMM */
1643 #define KVM_SMI _IO(KVMIO, 0xb7)
1644 /* Available with KVM_CAP_S390_CMMA_MIGRATION */
1645 #define KVM_S390_GET_CMMA_BITS _IOWR(KVMIO, 0xb8, struct kvm_s390_cmma_log)
1646 #define KVM_S390_SET_CMMA_BITS _IOW(KVMIO, 0xb9, struct kvm_s390_cmma_log)
1647 /* Memory Encryption Commands */
1648 #define KVM_MEMORY_ENCRYPT_OP _IOWR(KVMIO, 0xba, unsigned long)
1649
1650 struct kvm_enc_region {
1651 __u64 addr;
1652 __u64 size;
1653 };
1654
1655 #define KVM_MEMORY_ENCRYPT_REG_REGION _IOR(KVMIO, 0xbb, struct kvm_enc_region)
1656 #define KVM_MEMORY_ENCRYPT_UNREG_REGION _IOR(KVMIO, 0xbc, struct kvm_enc_region)
1657
1658 /* Available with KVM_CAP_HYPERV_EVENTFD */
1659 #define KVM_HYPERV_EVENTFD _IOW(KVMIO, 0xbd, struct kvm_hyperv_eventfd)
1660
1661 /* Available with KVM_CAP_NESTED_STATE */
1662 #define KVM_GET_NESTED_STATE _IOWR(KVMIO, 0xbe, struct kvm_nested_state)
1663 #define KVM_SET_NESTED_STATE _IOW(KVMIO, 0xbf, struct kvm_nested_state)
1664
1665 /* Available with KVM_CAP_MANUAL_DIRTY_LOG_PROTECT_2 */
1666 #define KVM_CLEAR_DIRTY_LOG _IOWR(KVMIO, 0xc0, struct kvm_clear_dirty_log)
1667
1668 /* Available with KVM_CAP_HYPERV_CPUID (vcpu) / KVM_CAP_SYS_HYPERV_CPUID (system) */
1669 #define KVM_GET_SUPPORTED_HV_CPUID _IOWR(KVMIO, 0xc1, struct kvm_cpuid2)
1670
1671 /* Available with KVM_CAP_ARM_SVE */
1672 #define KVM_ARM_VCPU_FINALIZE _IOW(KVMIO, 0xc2, int)
1673
1674 /* Available with KVM_CAP_S390_VCPU_RESETS */
1675 #define KVM_S390_NORMAL_RESET _IO(KVMIO, 0xc3)
1676 #define KVM_S390_CLEAR_RESET _IO(KVMIO, 0xc4)
1677
1678 struct kvm_s390_pv_sec_parm {
1679 __u64 origin;
1680 __u64 length;
1681 };
1682
1683 struct kvm_s390_pv_unp {
1684 __u64 addr;
1685 __u64 size;
1686 __u64 tweak;
1687 };
1688
1689 enum pv_cmd_dmp_id {
1690 KVM_PV_DUMP_INIT,
1691 KVM_PV_DUMP_CONFIG_STOR_STATE,
1692 KVM_PV_DUMP_COMPLETE,
1693 KVM_PV_DUMP_CPU,
1694 };
1695
1696 struct kvm_s390_pv_dmp {
1697 __u64 subcmd;
1698 __u64 buff_addr;
1699 __u64 buff_len;
1700 __u64 gaddr; /* For dump storage state */
1701 __u64 reserved[4];
1702 };
1703
1704 enum pv_cmd_info_id {
1705 KVM_PV_INFO_VM,
1706 KVM_PV_INFO_DUMP,
1707 };
1708
1709 struct kvm_s390_pv_info_dump {
1710 __u64 dump_cpu_buffer_len;
1711 __u64 dump_config_mem_buffer_per_1m;
1712 __u64 dump_config_finalize_len;
1713 };
1714
1715 struct kvm_s390_pv_info_vm {
1716 __u64 inst_calls_list[4];
1717 __u64 max_cpus;
1718 __u64 max_guests;
1719 __u64 max_guest_addr;
1720 __u64 feature_indication;
1721 };
1722
1723 struct kvm_s390_pv_info_header {
1724 __u32 id;
1725 __u32 len_max;
1726 __u32 len_written;
1727 __u32 reserved;
1728 };
1729
1730 struct kvm_s390_pv_info {
1731 struct kvm_s390_pv_info_header header;
1732 union {
1733 struct kvm_s390_pv_info_dump dump;
1734 struct kvm_s390_pv_info_vm vm;
1735 };
1736 };
1737
1738 enum pv_cmd_id {
1739 KVM_PV_ENABLE,
1740 KVM_PV_DISABLE,
1741 KVM_PV_SET_SEC_PARMS,
1742 KVM_PV_UNPACK,
1743 KVM_PV_VERIFY,
1744 KVM_PV_PREP_RESET,
1745 KVM_PV_UNSHARE_ALL,
1746 KVM_PV_INFO,
1747 KVM_PV_DUMP,
1748 KVM_PV_ASYNC_CLEANUP_PREPARE,
1749 KVM_PV_ASYNC_CLEANUP_PERFORM,
1750 };
1751
1752 struct kvm_pv_cmd {
1753 __u32 cmd; /* Command to be executed */
1754 __u16 rc; /* Ultravisor return code */
1755 __u16 rrc; /* Ultravisor return reason code */
1756 __u64 data; /* Data or address */
1757 __u32 flags; /* flags for future extensions. Must be 0 for now */
1758 __u32 reserved[3];
1759 };
1760
1761 /* Available with KVM_CAP_S390_PROTECTED */
1762 #define KVM_S390_PV_COMMAND _IOWR(KVMIO, 0xc5, struct kvm_pv_cmd)
1763
1764 /* Available with KVM_CAP_X86_MSR_FILTER */
1765 #define KVM_X86_SET_MSR_FILTER _IOW(KVMIO, 0xc6, struct kvm_msr_filter)
1766
1767 /* Available with KVM_CAP_DIRTY_LOG_RING */
1768 #define KVM_RESET_DIRTY_RINGS _IO(KVMIO, 0xc7)
1769
1770 /* Per-VM Xen attributes */
1771 #define KVM_XEN_HVM_GET_ATTR _IOWR(KVMIO, 0xc8, struct kvm_xen_hvm_attr)
1772 #define KVM_XEN_HVM_SET_ATTR _IOW(KVMIO, 0xc9, struct kvm_xen_hvm_attr)
1773
1774 struct kvm_xen_hvm_attr {
1775 __u16 type;
1776 __u16 pad[3];
1777 union {
1778 __u8 long_mode;
1779 __u8 vector;
1780 __u8 runstate_update_flag;
1781 struct {
1782 __u64 gfn;
1783 #define KVM_XEN_INVALID_GFN ((__u64)-1)
1784 } shared_info;
1785 struct {
1786 __u32 send_port;
1787 __u32 type; /* EVTCHNSTAT_ipi / EVTCHNSTAT_interdomain */
1788 __u32 flags;
1789 #define KVM_XEN_EVTCHN_DEASSIGN (1 << 0)
1790 #define KVM_XEN_EVTCHN_UPDATE (1 << 1)
1791 #define KVM_XEN_EVTCHN_RESET (1 << 2)
1792 /*
1793 * Events sent by the guest are either looped back to
1794 * the guest itself (potentially on a different port#)
1795 * or signalled via an eventfd.
1796 */
1797 union {
1798 struct {
1799 __u32 port;
1800 __u32 vcpu;
1801 __u32 priority;
1802 } port;
1803 struct {
1804 __u32 port; /* Zero for eventfd */
1805 __s32 fd;
1806 } eventfd;
1807 __u32 padding[4];
1808 } deliver;
1809 } evtchn;
1810 __u32 xen_version;
1811 __u64 pad[8];
1812 } u;
1813 };
1814
1815
1816 /* Available with KVM_CAP_XEN_HVM / KVM_XEN_HVM_CONFIG_SHARED_INFO */
1817 #define KVM_XEN_ATTR_TYPE_LONG_MODE 0x0
1818 #define KVM_XEN_ATTR_TYPE_SHARED_INFO 0x1
1819 #define KVM_XEN_ATTR_TYPE_UPCALL_VECTOR 0x2
1820 /* Available with KVM_CAP_XEN_HVM / KVM_XEN_HVM_CONFIG_EVTCHN_SEND */
1821 #define KVM_XEN_ATTR_TYPE_EVTCHN 0x3
1822 #define KVM_XEN_ATTR_TYPE_XEN_VERSION 0x4
1823 /* Available with KVM_CAP_XEN_HVM / KVM_XEN_HVM_CONFIG_RUNSTATE_UPDATE_FLAG */
1824 #define KVM_XEN_ATTR_TYPE_RUNSTATE_UPDATE_FLAG 0x5
1825
1826 /* Per-vCPU Xen attributes */
1827 #define KVM_XEN_VCPU_GET_ATTR _IOWR(KVMIO, 0xca, struct kvm_xen_vcpu_attr)
1828 #define KVM_XEN_VCPU_SET_ATTR _IOW(KVMIO, 0xcb, struct kvm_xen_vcpu_attr)
1829
1830 /* Available with KVM_CAP_XEN_HVM / KVM_XEN_HVM_CONFIG_EVTCHN_SEND */
1831 #define KVM_XEN_HVM_EVTCHN_SEND _IOW(KVMIO, 0xd0, struct kvm_irq_routing_xen_evtchn)
1832
1833 #define KVM_GET_SREGS2 _IOR(KVMIO, 0xcc, struct kvm_sregs2)
1834 #define KVM_SET_SREGS2 _IOW(KVMIO, 0xcd, struct kvm_sregs2)
1835
1836 struct kvm_xen_vcpu_attr {
1837 __u16 type;
1838 __u16 pad[3];
1839 union {
1840 __u64 gpa;
1841 #define KVM_XEN_INVALID_GPA ((__u64)-1)
1842 __u64 pad[8];
1843 struct {
1844 __u64 state;
1845 __u64 state_entry_time;
1846 __u64 time_running;
1847 __u64 time_runnable;
1848 __u64 time_blocked;
1849 __u64 time_offline;
1850 } runstate;
1851 __u32 vcpu_id;
1852 struct {
1853 __u32 port;
1854 __u32 priority;
1855 __u64 expires_ns;
1856 } timer;
1857 __u8 vector;
1858 } u;
1859 };
1860
1861 /* Available with KVM_CAP_XEN_HVM / KVM_XEN_HVM_CONFIG_SHARED_INFO */
1862 #define KVM_XEN_VCPU_ATTR_TYPE_VCPU_INFO 0x0
1863 #define KVM_XEN_VCPU_ATTR_TYPE_VCPU_TIME_INFO 0x1
1864 #define KVM_XEN_VCPU_ATTR_TYPE_RUNSTATE_ADDR 0x2
1865 #define KVM_XEN_VCPU_ATTR_TYPE_RUNSTATE_CURRENT 0x3
1866 #define KVM_XEN_VCPU_ATTR_TYPE_RUNSTATE_DATA 0x4
1867 #define KVM_XEN_VCPU_ATTR_TYPE_RUNSTATE_ADJUST 0x5
1868 /* Available with KVM_CAP_XEN_HVM / KVM_XEN_HVM_CONFIG_EVTCHN_SEND */
1869 #define KVM_XEN_VCPU_ATTR_TYPE_VCPU_ID 0x6
1870 #define KVM_XEN_VCPU_ATTR_TYPE_TIMER 0x7
1871 #define KVM_XEN_VCPU_ATTR_TYPE_UPCALL_VECTOR 0x8
1872
1873 /* Secure Encrypted Virtualization command */
1874 enum sev_cmd_id {
1875 /* Guest initialization commands */
1876 KVM_SEV_INIT = 0,
1877 KVM_SEV_ES_INIT,
1878 /* Guest launch commands */
1879 KVM_SEV_LAUNCH_START,
1880 KVM_SEV_LAUNCH_UPDATE_DATA,
1881 KVM_SEV_LAUNCH_UPDATE_VMSA,
1882 KVM_SEV_LAUNCH_SECRET,
1883 KVM_SEV_LAUNCH_MEASURE,
1884 KVM_SEV_LAUNCH_FINISH,
1885 /* Guest migration commands (outgoing) */
1886 KVM_SEV_SEND_START,
1887 KVM_SEV_SEND_UPDATE_DATA,
1888 KVM_SEV_SEND_UPDATE_VMSA,
1889 KVM_SEV_SEND_FINISH,
1890 /* Guest migration commands (incoming) */
1891 KVM_SEV_RECEIVE_START,
1892 KVM_SEV_RECEIVE_UPDATE_DATA,
1893 KVM_SEV_RECEIVE_UPDATE_VMSA,
1894 KVM_SEV_RECEIVE_FINISH,
1895 /* Guest status and debug commands */
1896 KVM_SEV_GUEST_STATUS,
1897 KVM_SEV_DBG_DECRYPT,
1898 KVM_SEV_DBG_ENCRYPT,
1899 /* Guest certificates commands */
1900 KVM_SEV_CERT_EXPORT,
1901 /* Attestation report */
1902 KVM_SEV_GET_ATTESTATION_REPORT,
1903 /* Guest Migration Extension */
1904 KVM_SEV_SEND_CANCEL,
1905
1906 KVM_SEV_NR_MAX,
1907 };
1908
1909 struct kvm_sev_cmd {
1910 __u32 id;
1911 __u64 data;
1912 __u32 error;
1913 __u32 sev_fd;
1914 };
1915
1916 struct kvm_sev_launch_start {
1917 __u32 handle;
1918 __u32 policy;
1919 __u64 dh_uaddr;
1920 __u32 dh_len;
1921 __u64 session_uaddr;
1922 __u32 session_len;
1923 };
1924
1925 struct kvm_sev_launch_update_data {
1926 __u64 uaddr;
1927 __u32 len;
1928 };
1929
1930
1931 struct kvm_sev_launch_secret {
1932 __u64 hdr_uaddr;
1933 __u32 hdr_len;
1934 __u64 guest_uaddr;
1935 __u32 guest_len;
1936 __u64 trans_uaddr;
1937 __u32 trans_len;
1938 };
1939
1940 struct kvm_sev_launch_measure {
1941 __u64 uaddr;
1942 __u32 len;
1943 };
1944
1945 struct kvm_sev_guest_status {
1946 __u32 handle;
1947 __u32 policy;
1948 __u32 state;
1949 };
1950
1951 struct kvm_sev_dbg {
1952 __u64 src_uaddr;
1953 __u64 dst_uaddr;
1954 __u32 len;
1955 };
1956
1957 struct kvm_sev_attestation_report {
1958 __u8 mnonce[16];
1959 __u64 uaddr;
1960 __u32 len;
1961 };
1962
1963 struct kvm_sev_send_start {
1964 __u32 policy;
1965 __u64 pdh_cert_uaddr;
1966 __u32 pdh_cert_len;
1967 __u64 plat_certs_uaddr;
1968 __u32 plat_certs_len;
1969 __u64 amd_certs_uaddr;
1970 __u32 amd_certs_len;
1971 __u64 session_uaddr;
1972 __u32 session_len;
1973 };
1974
1975 struct kvm_sev_send_update_data {
1976 __u64 hdr_uaddr;
1977 __u32 hdr_len;
1978 __u64 guest_uaddr;
1979 __u32 guest_len;
1980 __u64 trans_uaddr;
1981 __u32 trans_len;
1982 };
1983
1984 struct kvm_sev_receive_start {
1985 __u32 handle;
1986 __u32 policy;
1987 __u64 pdh_uaddr;
1988 __u32 pdh_len;
1989 __u64 session_uaddr;
1990 __u32 session_len;
1991 };
1992
1993 struct kvm_sev_receive_update_data {
1994 __u64 hdr_uaddr;
1995 __u32 hdr_len;
1996 __u64 guest_uaddr;
1997 __u32 guest_len;
1998 __u64 trans_uaddr;
1999 __u32 trans_len;
2000 };
2001
2002 #define KVM_DEV_ASSIGN_ENABLE_IOMMU (1 << 0)
2003 #define KVM_DEV_ASSIGN_PCI_2_3 (1 << 1)
2004 #define KVM_DEV_ASSIGN_MASK_INTX (1 << 2)
2005
2006 struct kvm_assigned_pci_dev {
2007 __u32 assigned_dev_id;
2008 __u32 busnr;
2009 __u32 devfn;
2010 __u32 flags;
2011 __u32 segnr;
2012 union {
2013 __u32 reserved[11];
2014 };
2015 };
2016
2017 #define KVM_DEV_IRQ_HOST_INTX (1 << 0)
2018 #define KVM_DEV_IRQ_HOST_MSI (1 << 1)
2019 #define KVM_DEV_IRQ_HOST_MSIX (1 << 2)
2020
2021 #define KVM_DEV_IRQ_GUEST_INTX (1 << 8)
2022 #define KVM_DEV_IRQ_GUEST_MSI (1 << 9)
2023 #define KVM_DEV_IRQ_GUEST_MSIX (1 << 10)
2024
2025 #define KVM_DEV_IRQ_HOST_MASK 0x00ff
2026 #define KVM_DEV_IRQ_GUEST_MASK 0xff00
2027
2028 struct kvm_assigned_irq {
2029 __u32 assigned_dev_id;
2030 __u32 host_irq; /* ignored (legacy field) */
2031 __u32 guest_irq;
2032 __u32 flags;
2033 union {
2034 __u32 reserved[12];
2035 };
2036 };
2037
2038 struct kvm_assigned_msix_nr {
2039 __u32 assigned_dev_id;
2040 __u16 entry_nr;
2041 __u16 padding;
2042 };
2043
2044 #define KVM_MAX_MSIX_PER_DEV 256
2045 struct kvm_assigned_msix_entry {
2046 __u32 assigned_dev_id;
2047 __u32 gsi;
2048 __u16 entry; /* The index of entry in the MSI-X table */
2049 __u16 padding[3];
2050 };
2051
2052 #define KVM_X2APIC_API_USE_32BIT_IDS (1ULL << 0)
2053 #define KVM_X2APIC_API_DISABLE_BROADCAST_QUIRK (1ULL << 1)
2054
2055 /* Available with KVM_CAP_ARM_USER_IRQ */
2056
2057 /* Bits for run->s.regs.device_irq_level */
2058 #define KVM_ARM_DEV_EL1_VTIMER (1 << 0)
2059 #define KVM_ARM_DEV_EL1_PTIMER (1 << 1)
2060 #define KVM_ARM_DEV_PMU (1 << 2)
2061
2062 struct kvm_hyperv_eventfd {
2063 __u32 conn_id;
2064 __s32 fd;
2065 __u32 flags;
2066 __u32 padding[3];
2067 };
2068
2069 #define KVM_HYPERV_CONN_ID_MASK 0x00ffffff
2070 #define KVM_HYPERV_EVENTFD_DEASSIGN (1 << 0)
2071
2072 #define KVM_DIRTY_LOG_MANUAL_PROTECT_ENABLE (1 << 0)
2073 #define KVM_DIRTY_LOG_INITIALLY_SET (1 << 1)
2074
2075 /*
2076 * Arch needs to define the macro after implementing the dirty ring
2077 * feature. KVM_DIRTY_LOG_PAGE_OFFSET should be defined as the
2078 * starting page offset of the dirty ring structures.
2079 */
2080 #ifndef KVM_DIRTY_LOG_PAGE_OFFSET
2081 #define KVM_DIRTY_LOG_PAGE_OFFSET 0
2082 #endif
2083
2084 /*
2085 * KVM dirty GFN flags, defined as:
2086 *
2087 * |---------------+---------------+--------------|
2088 * | bit 1 (reset) | bit 0 (dirty) | Status |
2089 * |---------------+---------------+--------------|
2090 * | 0 | 0 | Invalid GFN |
2091 * | 0 | 1 | Dirty GFN |
2092 * | 1 | X | GFN to reset |
2093 * |---------------+---------------+--------------|
2094 *
2095 * Lifecycle of a dirty GFN goes like:
2096 *
2097 * dirtied harvested reset
2098 * 00 -----------> 01 -------------> 1X -------+
2099 * ^ |
2100 * | |
2101 * +------------------------------------------+
2102 *
2103 * The userspace program is only responsible for the 01->1X state
2104 * conversion after harvesting an entry. Also, it must not skip any
2105 * dirty bits, so that dirty bits are always harvested in sequence.
2106 */
2107 #define KVM_DIRTY_GFN_F_DIRTY _BITUL(0)
2108 #define KVM_DIRTY_GFN_F_RESET _BITUL(1)
2109 #define KVM_DIRTY_GFN_F_MASK 0x3
2110
2111 /*
2112 * KVM dirty rings should be mapped at KVM_DIRTY_LOG_PAGE_OFFSET of
2113 * per-vcpu mmaped regions as an array of struct kvm_dirty_gfn. The
2114 * size of the gfn buffer is decided by the first argument when
2115 * enabling KVM_CAP_DIRTY_LOG_RING.
2116 */
2117 struct kvm_dirty_gfn {
2118 __u32 flags;
2119 __u32 slot;
2120 __u64 offset;
2121 };
2122
2123 #define KVM_BUS_LOCK_DETECTION_OFF (1 << 0)
2124 #define KVM_BUS_LOCK_DETECTION_EXIT (1 << 1)
2125
2126 #define KVM_PMU_CAP_DISABLE (1 << 0)
2127
2128 /**
2129 * struct kvm_stats_header - Header of per vm/vcpu binary statistics data.
2130 * @flags: Some extra information for header, always 0 for now.
2131 * @name_size: The size in bytes of the memory which contains statistics
2132 * name string including trailing '\0'. The memory is allocated
2133 * at the send of statistics descriptor.
2134 * @num_desc: The number of statistics the vm or vcpu has.
2135 * @id_offset: The offset of the vm/vcpu stats' id string in the file pointed
2136 * by vm/vcpu stats fd.
2137 * @desc_offset: The offset of the vm/vcpu stats' descriptor block in the file
2138 * pointd by vm/vcpu stats fd.
2139 * @data_offset: The offset of the vm/vcpu stats' data block in the file
2140 * pointed by vm/vcpu stats fd.
2141 *
2142 * This is the header userspace needs to read from stats fd before any other
2143 * readings. It is used by userspace to discover all the information about the
2144 * vm/vcpu's binary statistics.
2145 * Userspace reads this header from the start of the vm/vcpu's stats fd.
2146 */
2147 struct kvm_stats_header {
2148 __u32 flags;
2149 __u32 name_size;
2150 __u32 num_desc;
2151 __u32 id_offset;
2152 __u32 desc_offset;
2153 __u32 data_offset;
2154 };
2155
2156 #define KVM_STATS_TYPE_SHIFT 0
2157 #define KVM_STATS_TYPE_MASK (0xF << KVM_STATS_TYPE_SHIFT)
2158 #define KVM_STATS_TYPE_CUMULATIVE (0x0 << KVM_STATS_TYPE_SHIFT)
2159 #define KVM_STATS_TYPE_INSTANT (0x1 << KVM_STATS_TYPE_SHIFT)
2160 #define KVM_STATS_TYPE_PEAK (0x2 << KVM_STATS_TYPE_SHIFT)
2161 #define KVM_STATS_TYPE_LINEAR_HIST (0x3 << KVM_STATS_TYPE_SHIFT)
2162 #define KVM_STATS_TYPE_LOG_HIST (0x4 << KVM_STATS_TYPE_SHIFT)
2163 #define KVM_STATS_TYPE_MAX KVM_STATS_TYPE_LOG_HIST
2164
2165 #define KVM_STATS_UNIT_SHIFT 4
2166 #define KVM_STATS_UNIT_MASK (0xF << KVM_STATS_UNIT_SHIFT)
2167 #define KVM_STATS_UNIT_NONE (0x0 << KVM_STATS_UNIT_SHIFT)
2168 #define KVM_STATS_UNIT_BYTES (0x1 << KVM_STATS_UNIT_SHIFT)
2169 #define KVM_STATS_UNIT_SECONDS (0x2 << KVM_STATS_UNIT_SHIFT)
2170 #define KVM_STATS_UNIT_CYCLES (0x3 << KVM_STATS_UNIT_SHIFT)
2171 #define KVM_STATS_UNIT_BOOLEAN (0x4 << KVM_STATS_UNIT_SHIFT)
2172 #define KVM_STATS_UNIT_MAX KVM_STATS_UNIT_BOOLEAN
2173
2174 #define KVM_STATS_BASE_SHIFT 8
2175 #define KVM_STATS_BASE_MASK (0xF << KVM_STATS_BASE_SHIFT)
2176 #define KVM_STATS_BASE_POW10 (0x0 << KVM_STATS_BASE_SHIFT)
2177 #define KVM_STATS_BASE_POW2 (0x1 << KVM_STATS_BASE_SHIFT)
2178 #define KVM_STATS_BASE_MAX KVM_STATS_BASE_POW2
2179
2180 /**
2181 * struct kvm_stats_desc - Descriptor of a KVM statistics.
2182 * @flags: Annotations of the stats, like type, unit, etc.
2183 * @exponent: Used together with @flags to determine the unit.
2184 * @size: The number of data items for this stats.
2185 * Every data item is of type __u64.
2186 * @offset: The offset of the stats to the start of stat structure in
2187 * structure kvm or kvm_vcpu.
2188 * @bucket_size: A parameter value used for histogram stats. It is only used
2189 * for linear histogram stats, specifying the size of the bucket;
2190 * @name: The name string for the stats. Its size is indicated by the
2191 * &kvm_stats_header->name_size.
2192 */
2193 struct kvm_stats_desc {
2194 __u32 flags;
2195 __s16 exponent;
2196 __u16 size;
2197 __u32 offset;
2198 __u32 bucket_size;
2199 char name[];
2200 };
2201
2202 #define KVM_GET_STATS_FD _IO(KVMIO, 0xce)
2203
2204 /* Available with KVM_CAP_XSAVE2 */
2205 #define KVM_GET_XSAVE2 _IOR(KVMIO, 0xcf, struct kvm_xsave)
2206
2207 /* Available with KVM_CAP_S390_PROTECTED_DUMP */
2208 #define KVM_S390_PV_CPU_COMMAND _IOWR(KVMIO, 0xd0, struct kvm_pv_cmd)
2209
2210 /* Available with KVM_CAP_X86_NOTIFY_VMEXIT */
2211 #define KVM_X86_NOTIFY_VMEXIT_ENABLED (1ULL << 0)
2212 #define KVM_X86_NOTIFY_VMEXIT_USER (1ULL << 1)
2213
2214 /* Available with KVM_CAP_S390_ZPCI_OP */
2215 #define KVM_S390_ZPCI_OP _IOW(KVMIO, 0xd1, struct kvm_s390_zpci_op)
2216
2217 struct kvm_s390_zpci_op {
2218 /* in */
2219 __u32 fh; /* target device */
2220 __u8 op; /* operation to perform */
2221 __u8 pad[3];
2222 union {
2223 /* for KVM_S390_ZPCIOP_REG_AEN */
2224 struct {
2225 __u64 ibv; /* Guest addr of interrupt bit vector */
2226 __u64 sb; /* Guest addr of summary bit */
2227 __u32 flags;
2228 __u32 noi; /* Number of interrupts */
2229 __u8 isc; /* Guest interrupt subclass */
2230 __u8 sbo; /* Offset of guest summary bit vector */
2231 __u16 pad;
2232 } reg_aen;
2233 __u64 reserved[8];
2234 } u;
2235 };
2236
2237 /* types for kvm_s390_zpci_op->op */
2238 #define KVM_S390_ZPCIOP_REG_AEN 0
2239 #define KVM_S390_ZPCIOP_DEREG_AEN 1
2240
2241 /* flags for kvm_s390_zpci_op->u.reg_aen.flags */
2242 #define KVM_S390_ZPCIOP_REGAEN_HOST (1 << 0)
2243
2244 #endif /* __LINUX_KVM_H */
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