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#include <linux/compiler.h>
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
59struct 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
71struct kvm_breakpoint {
72 __u32 enabled;
73 __u32 padding;
74 __u64 address;
75};
76
77struct 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 */
90struct 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 */
107struct 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
122struct 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 */
137struct kvm_pit_config {
138 __u32 flags;
139 __u32 pad[15];
140};
141
142#define KVM_PIT_SPEAKER_DUMMY 1
143
144struct 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 */
170struct 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
181struct 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
212struct 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#define KVM_EXIT_LOONGARCH_IOCSR 38
268
269/* For KVM_EXIT_INTERNAL_ERROR */
270/* Emulate instruction failed. */
271#define KVM_INTERNAL_ERROR_EMULATION 1
272/* Encounter unexpected simultaneous exceptions. */
273#define KVM_INTERNAL_ERROR_SIMUL_EX 2
274/* Encounter unexpected vm-exit due to delivery event. */
275#define KVM_INTERNAL_ERROR_DELIVERY_EV 3
276/* Encounter unexpected vm-exit reason */
277#define KVM_INTERNAL_ERROR_UNEXPECTED_EXIT_REASON 4
278
279/* Flags that describe what fields in emulation_failure hold valid data. */
280#define KVM_INTERNAL_ERROR_EMULATION_FLAG_INSTRUCTION_BYTES (1ULL << 0)
281
282/* for KVM_RUN, returned by mmap(vcpu_fd, offset=0) */
283struct kvm_run {
284 /* in */
285 __u8 request_interrupt_window;
286 __u8 immediate_exit;
287 __u8 padding1[6];
288
289 /* out */
290 __u32 exit_reason;
291 __u8 ready_for_interrupt_injection;
292 __u8 if_flag;
293 __u16 flags;
294
295 /* in (pre_kvm_run), out (post_kvm_run) */
296 __u64 cr8;
297 __u64 apic_base;
298
299#ifdef __KVM_S390
300 /* the processor status word for s390 */
301 __u64 psw_mask; /* psw upper half */
302 __u64 psw_addr; /* psw lower half */
303#endif
304 union {
305 /* KVM_EXIT_UNKNOWN */
306 struct {
307 __u64 hardware_exit_reason;
308 } hw;
309 /* KVM_EXIT_FAIL_ENTRY */
310 struct {
311 __u64 hardware_entry_failure_reason;
312 __u32 cpu;
313 } fail_entry;
314 /* KVM_EXIT_EXCEPTION */
315 struct {
316 __u32 exception;
317 __u32 error_code;
318 } ex;
319 /* KVM_EXIT_IO */
320 struct {
321#define KVM_EXIT_IO_IN 0
322#define KVM_EXIT_IO_OUT 1
323 __u8 direction;
324 __u8 size; /* bytes */
325 __u16 port;
326 __u32 count;
327 __u64 data_offset; /* relative to kvm_run start */
328 } io;
329 /* KVM_EXIT_DEBUG */
330 struct {
331 struct kvm_debug_exit_arch arch;
332 } debug;
333 /* KVM_EXIT_MMIO */
334 struct {
335 __u64 phys_addr;
336 __u8 data[8];
337 __u32 len;
338 __u8 is_write;
339 } mmio;
340 /* KVM_EXIT_LOONGARCH_IOCSR */
341 struct {
342 __u64 phys_addr;
343 __u8 data[8];
344 __u32 len;
345 __u8 is_write;
346 } iocsr_io;
347 /* KVM_EXIT_HYPERCALL */
348 struct {
349 __u64 nr;
350 __u64 args[6];
351 __u64 ret;
352
353 union {
354#ifndef __KERNEL__
355 __u32 longmode;
356#endif
357 __u64 flags;
358 };
359 } hypercall;
360 /* KVM_EXIT_TPR_ACCESS */
361 struct {
362 __u64 rip;
363 __u32 is_write;
364 __u32 pad;
365 } tpr_access;
366 /* KVM_EXIT_S390_SIEIC */
367 struct {
368 __u8 icptcode;
369 __u16 ipa;
370 __u32 ipb;
371 } s390_sieic;
372 /* KVM_EXIT_S390_RESET */
373#define KVM_S390_RESET_POR 1
374#define KVM_S390_RESET_CLEAR 2
375#define KVM_S390_RESET_SUBSYSTEM 4
376#define KVM_S390_RESET_CPU_INIT 8
377#define KVM_S390_RESET_IPL 16
378 __u64 s390_reset_flags;
379 /* KVM_EXIT_S390_UCONTROL */
380 struct {
381 __u64 trans_exc_code;
382 __u32 pgm_code;
383 } s390_ucontrol;
384 /* KVM_EXIT_DCR (deprecated) */
385 struct {
386 __u32 dcrn;
387 __u32 data;
388 __u8 is_write;
389 } dcr;
390 /* KVM_EXIT_INTERNAL_ERROR */
391 struct {
392 __u32 suberror;
393 /* Available with KVM_CAP_INTERNAL_ERROR_DATA: */
394 __u32 ndata;
395 __u64 data[16];
396 } internal;
397 /*
398 * KVM_INTERNAL_ERROR_EMULATION
399 *
400 * "struct emulation_failure" is an overlay of "struct internal"
401 * that is used for the KVM_INTERNAL_ERROR_EMULATION sub-type of
402 * KVM_EXIT_INTERNAL_ERROR. Note, unlike other internal error
403 * sub-types, this struct is ABI! It also needs to be backwards
404 * compatible with "struct internal". Take special care that
405 * "ndata" is correct, that new fields are enumerated in "flags",
406 * and that each flag enumerates fields that are 64-bit aligned
407 * and sized (so that ndata+internal.data[] is valid/accurate).
408 *
409 * Space beyond the defined fields may be used to store arbitrary
410 * debug information relating to the emulation failure. It is
411 * accounted for in "ndata" but the format is unspecified and is
412 * not represented in "flags". Any such information is *not* ABI!
413 */
414 struct {
415 __u32 suberror;
416 __u32 ndata;
417 __u64 flags;
418 union {
419 struct {
420 __u8 insn_size;
421 __u8 insn_bytes[15];
422 };
423 };
424 /* Arbitrary debug data may follow. */
425 } emulation_failure;
426 /* KVM_EXIT_OSI */
427 struct {
428 __u64 gprs[32];
429 } osi;
430 /* KVM_EXIT_PAPR_HCALL */
431 struct {
432 __u64 nr;
433 __u64 ret;
434 __u64 args[9];
435 } papr_hcall;
436 /* KVM_EXIT_S390_TSCH */
437 struct {
438 __u16 subchannel_id;
439 __u16 subchannel_nr;
440 __u32 io_int_parm;
441 __u32 io_int_word;
442 __u32 ipb;
443 __u8 dequeued;
444 } s390_tsch;
445 /* KVM_EXIT_EPR */
446 struct {
447 __u32 epr;
448 } epr;
449 /* KVM_EXIT_SYSTEM_EVENT */
450 struct {
451#define KVM_SYSTEM_EVENT_SHUTDOWN 1
452#define KVM_SYSTEM_EVENT_RESET 2
453#define KVM_SYSTEM_EVENT_CRASH 3
454#define KVM_SYSTEM_EVENT_WAKEUP 4
455#define KVM_SYSTEM_EVENT_SUSPEND 5
456#define KVM_SYSTEM_EVENT_SEV_TERM 6
457 __u32 type;
458 __u32 ndata;
459 union {
460#ifndef __KERNEL__
461 __u64 flags;
462#endif
463 __u64 data[16];
464 };
465 } system_event;
466 /* KVM_EXIT_S390_STSI */
467 struct {
468 __u64 addr;
469 __u8 ar;
470 __u8 reserved;
471 __u8 fc;
472 __u8 sel1;
473 __u16 sel2;
474 } s390_stsi;
475 /* KVM_EXIT_IOAPIC_EOI */
476 struct {
477 __u8 vector;
478 } eoi;
479 /* KVM_EXIT_HYPERV */
480 struct kvm_hyperv_exit hyperv;
481 /* KVM_EXIT_ARM_NISV */
482 struct {
483 __u64 esr_iss;
484 __u64 fault_ipa;
485 } arm_nisv;
486 /* KVM_EXIT_X86_RDMSR / KVM_EXIT_X86_WRMSR */
487 struct {
488 __u8 error; /* user -> kernel */
489 __u8 pad[7];
490#define KVM_MSR_EXIT_REASON_INVAL (1 << 0)
491#define KVM_MSR_EXIT_REASON_UNKNOWN (1 << 1)
492#define KVM_MSR_EXIT_REASON_FILTER (1 << 2)
493#define KVM_MSR_EXIT_REASON_VALID_MASK (KVM_MSR_EXIT_REASON_INVAL | \
494 KVM_MSR_EXIT_REASON_UNKNOWN | \
495 KVM_MSR_EXIT_REASON_FILTER)
496 __u32 reason; /* kernel -> user */
497 __u32 index; /* kernel -> user */
498 __u64 data; /* kernel <-> user */
499 } msr;
500 /* KVM_EXIT_XEN */
501 struct kvm_xen_exit xen;
502 /* KVM_EXIT_RISCV_SBI */
503 struct {
504 unsigned long extension_id;
505 unsigned long function_id;
506 unsigned long args[6];
507 unsigned long ret[2];
508 } riscv_sbi;
509 /* KVM_EXIT_RISCV_CSR */
510 struct {
511 unsigned long csr_num;
512 unsigned long new_value;
513 unsigned long write_mask;
514 unsigned long ret_value;
515 } riscv_csr;
516 /* KVM_EXIT_NOTIFY */
517 struct {
518#define KVM_NOTIFY_CONTEXT_INVALID (1 << 0)
519 __u32 flags;
520 } notify;
521 /* Fix the size of the union. */
522 char padding[256];
523 };
524
525 /* 2048 is the size of the char array used to bound/pad the size
526 * of the union that holds sync regs.
527 */
528 #define SYNC_REGS_SIZE_BYTES 2048
529 /*
530 * shared registers between kvm and userspace.
531 * kvm_valid_regs specifies the register classes set by the host
532 * kvm_dirty_regs specified the register classes dirtied by userspace
533 * struct kvm_sync_regs is architecture specific, as well as the
534 * bits for kvm_valid_regs and kvm_dirty_regs
535 */
536 __u64 kvm_valid_regs;
537 __u64 kvm_dirty_regs;
538 union {
539 struct kvm_sync_regs regs;
540 char padding[SYNC_REGS_SIZE_BYTES];
541 } s;
542};
543
544/* for KVM_REGISTER_COALESCED_MMIO / KVM_UNREGISTER_COALESCED_MMIO */
545
546struct kvm_coalesced_mmio_zone {
547 __u64 addr;
548 __u32 size;
549 union {
550 __u32 pad;
551 __u32 pio;
552 };
553};
554
555struct kvm_coalesced_mmio {
556 __u64 phys_addr;
557 __u32 len;
558 union {
559 __u32 pad;
560 __u32 pio;
561 };
562 __u8 data[8];
563};
564
565struct kvm_coalesced_mmio_ring {
566 __u32 first, last;
567 struct kvm_coalesced_mmio coalesced_mmio[];
568};
569
570#define KVM_COALESCED_MMIO_MAX \
571 ((PAGE_SIZE - sizeof(struct kvm_coalesced_mmio_ring)) / \
572 sizeof(struct kvm_coalesced_mmio))
573
574/* for KVM_TRANSLATE */
575struct kvm_translation {
576 /* in */
577 __u64 linear_address;
578
579 /* out */
580 __u64 physical_address;
581 __u8 valid;
582 __u8 writeable;
583 __u8 usermode;
584 __u8 pad[5];
585};
586
587/* for KVM_S390_MEM_OP */
588struct kvm_s390_mem_op {
589 /* in */
590 __u64 gaddr; /* the guest address */
591 __u64 flags; /* flags */
592 __u32 size; /* amount of bytes */
593 __u32 op; /* type of operation */
594 __u64 buf; /* buffer in userspace */
595 union {
596 struct {
597 __u8 ar; /* the access register number */
598 __u8 key; /* access key, ignored if flag unset */
599 __u8 pad1[6]; /* ignored */
600 __u64 old_addr; /* ignored if cmpxchg flag unset */
601 };
602 __u32 sida_offset; /* offset into the sida */
603 __u8 reserved[32]; /* ignored */
604 };
605};
606/* types for kvm_s390_mem_op->op */
607#define KVM_S390_MEMOP_LOGICAL_READ 0
608#define KVM_S390_MEMOP_LOGICAL_WRITE 1
609#define KVM_S390_MEMOP_SIDA_READ 2
610#define KVM_S390_MEMOP_SIDA_WRITE 3
611#define KVM_S390_MEMOP_ABSOLUTE_READ 4
612#define KVM_S390_MEMOP_ABSOLUTE_WRITE 5
613#define KVM_S390_MEMOP_ABSOLUTE_CMPXCHG 6
614
615/* flags for kvm_s390_mem_op->flags */
616#define KVM_S390_MEMOP_F_CHECK_ONLY (1ULL << 0)
617#define KVM_S390_MEMOP_F_INJECT_EXCEPTION (1ULL << 1)
618#define KVM_S390_MEMOP_F_SKEY_PROTECTION (1ULL << 2)
619
620/* flags specifying extension support via KVM_CAP_S390_MEM_OP_EXTENSION */
621#define KVM_S390_MEMOP_EXTENSION_CAP_BASE (1 << 0)
622#define KVM_S390_MEMOP_EXTENSION_CAP_CMPXCHG (1 << 1)
623
624/* for KVM_INTERRUPT */
625struct kvm_interrupt {
626 /* in */
627 __u32 irq;
628};
629
630/* for KVM_GET_DIRTY_LOG */
631struct kvm_dirty_log {
632 __u32 slot;
633 __u32 padding1;
634 union {
635 void __user *dirty_bitmap; /* one bit per page */
636 __u64 padding2;
637 };
638};
639
640/* for KVM_CLEAR_DIRTY_LOG */
641struct kvm_clear_dirty_log {
642 __u32 slot;
643 __u32 num_pages;
644 __u64 first_page;
645 union {
646 void __user *dirty_bitmap; /* one bit per page */
647 __u64 padding2;
648 };
649};
650
651/* for KVM_SET_SIGNAL_MASK */
652struct kvm_signal_mask {
653 __u32 len;
654 __u8 sigset[];
655};
656
657/* for KVM_TPR_ACCESS_REPORTING */
658struct kvm_tpr_access_ctl {
659 __u32 enabled;
660 __u32 flags;
661 __u32 reserved[8];
662};
663
664/* for KVM_SET_VAPIC_ADDR */
665struct kvm_vapic_addr {
666 __u64 vapic_addr;
667};
668
669/* for KVM_SET_MP_STATE */
670
671/* not all states are valid on all architectures */
672#define KVM_MP_STATE_RUNNABLE 0
673#define KVM_MP_STATE_UNINITIALIZED 1
674#define KVM_MP_STATE_INIT_RECEIVED 2
675#define KVM_MP_STATE_HALTED 3
676#define KVM_MP_STATE_SIPI_RECEIVED 4
677#define KVM_MP_STATE_STOPPED 5
678#define KVM_MP_STATE_CHECK_STOP 6
679#define KVM_MP_STATE_OPERATING 7
680#define KVM_MP_STATE_LOAD 8
681#define KVM_MP_STATE_AP_RESET_HOLD 9
682#define KVM_MP_STATE_SUSPENDED 10
683
684struct kvm_mp_state {
685 __u32 mp_state;
686};
687
688struct kvm_s390_psw {
689 __u64 mask;
690 __u64 addr;
691};
692
693/* valid values for type in kvm_s390_interrupt */
694#define KVM_S390_SIGP_STOP 0xfffe0000u
695#define KVM_S390_PROGRAM_INT 0xfffe0001u
696#define KVM_S390_SIGP_SET_PREFIX 0xfffe0002u
697#define KVM_S390_RESTART 0xfffe0003u
698#define KVM_S390_INT_PFAULT_INIT 0xfffe0004u
699#define KVM_S390_INT_PFAULT_DONE 0xfffe0005u
700#define KVM_S390_MCHK 0xfffe1000u
701#define KVM_S390_INT_CLOCK_COMP 0xffff1004u
702#define KVM_S390_INT_CPU_TIMER 0xffff1005u
703#define KVM_S390_INT_VIRTIO 0xffff2603u
704#define KVM_S390_INT_SERVICE 0xffff2401u
705#define KVM_S390_INT_EMERGENCY 0xffff1201u
706#define KVM_S390_INT_EXTERNAL_CALL 0xffff1202u
707/* Anything below 0xfffe0000u is taken by INT_IO */
708#define KVM_S390_INT_IO(ai,cssid,ssid,schid) \
709 (((schid)) | \
710 ((ssid) << 16) | \
711 ((cssid) << 18) | \
712 ((ai) << 26))
713#define KVM_S390_INT_IO_MIN 0x00000000u
714#define KVM_S390_INT_IO_MAX 0xfffdffffu
715#define KVM_S390_INT_IO_AI_MASK 0x04000000u
716
717
718struct kvm_s390_interrupt {
719 __u32 type;
720 __u32 parm;
721 __u64 parm64;
722};
723
724struct kvm_s390_io_info {
725 __u16 subchannel_id;
726 __u16 subchannel_nr;
727 __u32 io_int_parm;
728 __u32 io_int_word;
729};
730
731struct kvm_s390_ext_info {
732 __u32 ext_params;
733 __u32 pad;
734 __u64 ext_params2;
735};
736
737struct kvm_s390_pgm_info {
738 __u64 trans_exc_code;
739 __u64 mon_code;
740 __u64 per_address;
741 __u32 data_exc_code;
742 __u16 code;
743 __u16 mon_class_nr;
744 __u8 per_code;
745 __u8 per_atmid;
746 __u8 exc_access_id;
747 __u8 per_access_id;
748 __u8 op_access_id;
749#define KVM_S390_PGM_FLAGS_ILC_VALID 0x01
750#define KVM_S390_PGM_FLAGS_ILC_0 0x02
751#define KVM_S390_PGM_FLAGS_ILC_1 0x04
752#define KVM_S390_PGM_FLAGS_ILC_MASK 0x06
753#define KVM_S390_PGM_FLAGS_NO_REWIND 0x08
754 __u8 flags;
755 __u8 pad[2];
756};
757
758struct kvm_s390_prefix_info {
759 __u32 address;
760};
761
762struct kvm_s390_extcall_info {
763 __u16 code;
764};
765
766struct kvm_s390_emerg_info {
767 __u16 code;
768};
769
770#define KVM_S390_STOP_FLAG_STORE_STATUS 0x01
771struct kvm_s390_stop_info {
772 __u32 flags;
773};
774
775struct kvm_s390_mchk_info {
776 __u64 cr14;
777 __u64 mcic;
778 __u64 failing_storage_address;
779 __u32 ext_damage_code;
780 __u32 pad;
781 __u8 fixed_logout[16];
782};
783
784struct kvm_s390_irq {
785 __u64 type;
786 union {
787 struct kvm_s390_io_info io;
788 struct kvm_s390_ext_info ext;
789 struct kvm_s390_pgm_info pgm;
790 struct kvm_s390_emerg_info emerg;
791 struct kvm_s390_extcall_info extcall;
792 struct kvm_s390_prefix_info prefix;
793 struct kvm_s390_stop_info stop;
794 struct kvm_s390_mchk_info mchk;
795 char reserved[64];
796 } u;
797};
798
799struct kvm_s390_irq_state {
800 __u64 buf;
801 __u32 flags; /* will stay unused for compatibility reasons */
802 __u32 len;
803 __u32 reserved[4]; /* will stay unused for compatibility reasons */
804};
805
806/* for KVM_SET_GUEST_DEBUG */
807
808#define KVM_GUESTDBG_ENABLE 0x00000001
809#define KVM_GUESTDBG_SINGLESTEP 0x00000002
810
811struct kvm_guest_debug {
812 __u32 control;
813 __u32 pad;
814 struct kvm_guest_debug_arch arch;
815};
816
817enum {
818 kvm_ioeventfd_flag_nr_datamatch,
819 kvm_ioeventfd_flag_nr_pio,
820 kvm_ioeventfd_flag_nr_deassign,
821 kvm_ioeventfd_flag_nr_virtio_ccw_notify,
822 kvm_ioeventfd_flag_nr_fast_mmio,
823 kvm_ioeventfd_flag_nr_max,
824};
825
826#define KVM_IOEVENTFD_FLAG_DATAMATCH (1 << kvm_ioeventfd_flag_nr_datamatch)
827#define KVM_IOEVENTFD_FLAG_PIO (1 << kvm_ioeventfd_flag_nr_pio)
828#define KVM_IOEVENTFD_FLAG_DEASSIGN (1 << kvm_ioeventfd_flag_nr_deassign)
829#define KVM_IOEVENTFD_FLAG_VIRTIO_CCW_NOTIFY \
830 (1 << kvm_ioeventfd_flag_nr_virtio_ccw_notify)
831
832#define KVM_IOEVENTFD_VALID_FLAG_MASK ((1 << kvm_ioeventfd_flag_nr_max) - 1)
833
834struct kvm_ioeventfd {
835 __u64 datamatch;
836 __u64 addr; /* legal pio/mmio address */
837 __u32 len; /* 1, 2, 4, or 8 bytes; or 0 to ignore length */
838 __s32 fd;
839 __u32 flags;
840 __u8 pad[36];
841};
842
843#define KVM_X86_DISABLE_EXITS_MWAIT (1 << 0)
844#define KVM_X86_DISABLE_EXITS_HLT (1 << 1)
845#define KVM_X86_DISABLE_EXITS_PAUSE (1 << 2)
846#define KVM_X86_DISABLE_EXITS_CSTATE (1 << 3)
847#define KVM_X86_DISABLE_VALID_EXITS (KVM_X86_DISABLE_EXITS_MWAIT | \
848 KVM_X86_DISABLE_EXITS_HLT | \
849 KVM_X86_DISABLE_EXITS_PAUSE | \
850 KVM_X86_DISABLE_EXITS_CSTATE)
851
852/* for KVM_ENABLE_CAP */
853struct kvm_enable_cap {
854 /* in */
855 __u32 cap;
856 __u32 flags;
857 __u64 args[4];
858 __u8 pad[64];
859};
860
861/* for KVM_PPC_GET_PVINFO */
862
863#define KVM_PPC_PVINFO_FLAGS_EV_IDLE (1<<0)
864
865struct kvm_ppc_pvinfo {
866 /* out */
867 __u32 flags;
868 __u32 hcall[4];
869 __u8 pad[108];
870};
871
872/* for KVM_PPC_GET_SMMU_INFO */
873#define KVM_PPC_PAGE_SIZES_MAX_SZ 8
874
875struct kvm_ppc_one_page_size {
876 __u32 page_shift; /* Page shift (or 0) */
877 __u32 pte_enc; /* Encoding in the HPTE (>>12) */
878};
879
880struct kvm_ppc_one_seg_page_size {
881 __u32 page_shift; /* Base page shift of segment (or 0) */
882 __u32 slb_enc; /* SLB encoding for BookS */
883 struct kvm_ppc_one_page_size enc[KVM_PPC_PAGE_SIZES_MAX_SZ];
884};
885
886#define KVM_PPC_PAGE_SIZES_REAL 0x00000001
887#define KVM_PPC_1T_SEGMENTS 0x00000002
888#define KVM_PPC_NO_HASH 0x00000004
889
890struct kvm_ppc_smmu_info {
891 __u64 flags;
892 __u32 slb_size;
893 __u16 data_keys; /* # storage keys supported for data */
894 __u16 instr_keys; /* # storage keys supported for instructions */
895 struct kvm_ppc_one_seg_page_size sps[KVM_PPC_PAGE_SIZES_MAX_SZ];
896};
897
898/* for KVM_PPC_RESIZE_HPT_{PREPARE,COMMIT} */
899struct kvm_ppc_resize_hpt {
900 __u64 flags;
901 __u32 shift;
902 __u32 pad;
903};
904
905#define KVMIO 0xAE
906
907/* machine type bits, to be used as argument to KVM_CREATE_VM */
908#define KVM_VM_S390_UCONTROL 1
909
910/* on ppc, 0 indicate default, 1 should force HV and 2 PR */
911#define KVM_VM_PPC_HV 1
912#define KVM_VM_PPC_PR 2
913
914/* on MIPS, 0 indicates auto, 1 forces VZ ASE, 2 forces trap & emulate */
915#define KVM_VM_MIPS_AUTO 0
916#define KVM_VM_MIPS_VZ 1
917#define KVM_VM_MIPS_TE 2
918
919#define KVM_S390_SIE_PAGE_OFFSET 1
920
921/*
922 * On arm64, machine type can be used to request the physical
923 * address size for the VM. Bits[7-0] are reserved for the guest
924 * PA size shift (i.e, log2(PA_Size)). For backward compatibility,
925 * value 0 implies the default IPA size, 40bits.
926 */
927#define KVM_VM_TYPE_ARM_IPA_SIZE_MASK 0xffULL
928#define KVM_VM_TYPE_ARM_IPA_SIZE(x) \
929 ((x) & KVM_VM_TYPE_ARM_IPA_SIZE_MASK)
930/*
931 * ioctls for /dev/kvm fds:
932 */
933#define KVM_GET_API_VERSION _IO(KVMIO, 0x00)
934#define KVM_CREATE_VM _IO(KVMIO, 0x01) /* returns a VM fd */
935#define KVM_GET_MSR_INDEX_LIST _IOWR(KVMIO, 0x02, struct kvm_msr_list)
936
937#define KVM_S390_ENABLE_SIE _IO(KVMIO, 0x06)
938/*
939 * Check if a kvm extension is available. Argument is extension number,
940 * return is 1 (yes) or 0 (no, sorry).
941 */
942#define KVM_CHECK_EXTENSION _IO(KVMIO, 0x03)
943/*
944 * Get size for mmap(vcpu_fd)
945 */
946#define KVM_GET_VCPU_MMAP_SIZE _IO(KVMIO, 0x04) /* in bytes */
947#define KVM_GET_SUPPORTED_CPUID _IOWR(KVMIO, 0x05, struct kvm_cpuid2)
948#define KVM_TRACE_ENABLE __KVM_DEPRECATED_MAIN_W_0x06
949#define KVM_TRACE_PAUSE __KVM_DEPRECATED_MAIN_0x07
950#define KVM_TRACE_DISABLE __KVM_DEPRECATED_MAIN_0x08
951#define KVM_GET_EMULATED_CPUID _IOWR(KVMIO, 0x09, struct kvm_cpuid2)
952#define KVM_GET_MSR_FEATURE_INDEX_LIST _IOWR(KVMIO, 0x0a, struct kvm_msr_list)
953
954/*
955 * Extension capability list.
956 */
957#define KVM_CAP_IRQCHIP 0
958#define KVM_CAP_HLT 1
959#define KVM_CAP_MMU_SHADOW_CACHE_CONTROL 2
960#define KVM_CAP_USER_MEMORY 3
961#define KVM_CAP_SET_TSS_ADDR 4
962#define KVM_CAP_VAPIC 6
963#define KVM_CAP_EXT_CPUID 7
964#define KVM_CAP_CLOCKSOURCE 8
965#define KVM_CAP_NR_VCPUS 9 /* returns recommended max vcpus per vm */
966#define KVM_CAP_NR_MEMSLOTS 10 /* returns max memory slots per vm */
967#define KVM_CAP_PIT 11
968#define KVM_CAP_NOP_IO_DELAY 12
969#define KVM_CAP_PV_MMU 13
970#define KVM_CAP_MP_STATE 14
971#define KVM_CAP_COALESCED_MMIO 15
972#define KVM_CAP_SYNC_MMU 16 /* Changes to host mmap are reflected in guest */
973#define KVM_CAP_IOMMU 18
974/* Bug in KVM_SET_USER_MEMORY_REGION fixed: */
975#define KVM_CAP_DESTROY_MEMORY_REGION_WORKS 21
976#define KVM_CAP_USER_NMI 22
977#ifdef __KVM_HAVE_GUEST_DEBUG
978#define KVM_CAP_SET_GUEST_DEBUG 23
979#endif
980#ifdef __KVM_HAVE_PIT
981#define KVM_CAP_REINJECT_CONTROL 24
982#endif
983#define KVM_CAP_IRQ_ROUTING 25
984#define KVM_CAP_IRQ_INJECT_STATUS 26
985#define KVM_CAP_ASSIGN_DEV_IRQ 29
986/* Another bug in KVM_SET_USER_MEMORY_REGION fixed: */
987#define KVM_CAP_JOIN_MEMORY_REGIONS_WORKS 30
988#ifdef __KVM_HAVE_MCE
989#define KVM_CAP_MCE 31
990#endif
991#define KVM_CAP_IRQFD 32
992#ifdef __KVM_HAVE_PIT
993#define KVM_CAP_PIT2 33
994#endif
995#define KVM_CAP_SET_BOOT_CPU_ID 34
996#ifdef __KVM_HAVE_PIT_STATE2
997#define KVM_CAP_PIT_STATE2 35
998#endif
999#define KVM_CAP_IOEVENTFD 36
1000#define KVM_CAP_SET_IDENTITY_MAP_ADDR 37
1001#ifdef __KVM_HAVE_XEN_HVM
1002#define KVM_CAP_XEN_HVM 38
1003#endif
1004#define KVM_CAP_ADJUST_CLOCK 39
1005#define KVM_CAP_INTERNAL_ERROR_DATA 40
1006#ifdef __KVM_HAVE_VCPU_EVENTS
1007#define KVM_CAP_VCPU_EVENTS 41
1008#endif
1009#define KVM_CAP_S390_PSW 42
1010#define KVM_CAP_PPC_SEGSTATE 43
1011#define KVM_CAP_HYPERV 44
1012#define KVM_CAP_HYPERV_VAPIC 45
1013#define KVM_CAP_HYPERV_SPIN 46
1014#define KVM_CAP_PCI_SEGMENT 47
1015#define KVM_CAP_PPC_PAIRED_SINGLES 48
1016#define KVM_CAP_INTR_SHADOW 49
1017#ifdef __KVM_HAVE_DEBUGREGS
1018#define KVM_CAP_DEBUGREGS 50
1019#endif
1020#define KVM_CAP_X86_ROBUST_SINGLESTEP 51
1021#define KVM_CAP_PPC_OSI 52
1022#define KVM_CAP_PPC_UNSET_IRQ 53
1023#define KVM_CAP_ENABLE_CAP 54
1024#ifdef __KVM_HAVE_XSAVE
1025#define KVM_CAP_XSAVE 55
1026#endif
1027#ifdef __KVM_HAVE_XCRS
1028#define KVM_CAP_XCRS 56
1029#endif
1030#define KVM_CAP_PPC_GET_PVINFO 57
1031#define KVM_CAP_PPC_IRQ_LEVEL 58
1032#define KVM_CAP_ASYNC_PF 59
1033#define KVM_CAP_TSC_CONTROL 60
1034#define KVM_CAP_GET_TSC_KHZ 61
1035#define KVM_CAP_PPC_BOOKE_SREGS 62
1036#define KVM_CAP_SPAPR_TCE 63
1037#define KVM_CAP_PPC_SMT 64
1038#define KVM_CAP_PPC_RMA 65
1039#define KVM_CAP_MAX_VCPUS 66 /* returns max vcpus per vm */
1040#define KVM_CAP_PPC_HIOR 67
1041#define KVM_CAP_PPC_PAPR 68
1042#define KVM_CAP_SW_TLB 69
1043#define KVM_CAP_ONE_REG 70
1044#define KVM_CAP_S390_GMAP 71
1045#define KVM_CAP_TSC_DEADLINE_TIMER 72
1046#define KVM_CAP_S390_UCONTROL 73
1047#define KVM_CAP_SYNC_REGS 74
1048#define KVM_CAP_PCI_2_3 75
1049#define KVM_CAP_KVMCLOCK_CTRL 76
1050#define KVM_CAP_SIGNAL_MSI 77
1051#define KVM_CAP_PPC_GET_SMMU_INFO 78
1052#define KVM_CAP_S390_COW 79
1053#define KVM_CAP_PPC_ALLOC_HTAB 80
1054#define KVM_CAP_READONLY_MEM 81
1055#define KVM_CAP_IRQFD_RESAMPLE 82
1056#define KVM_CAP_PPC_BOOKE_WATCHDOG 83
1057#define KVM_CAP_PPC_HTAB_FD 84
1058#define KVM_CAP_S390_CSS_SUPPORT 85
1059#define KVM_CAP_PPC_EPR 86
1060#define KVM_CAP_ARM_PSCI 87
1061#define KVM_CAP_ARM_SET_DEVICE_ADDR 88
1062#define KVM_CAP_DEVICE_CTRL 89
1063#define KVM_CAP_IRQ_MPIC 90
1064#define KVM_CAP_PPC_RTAS 91
1065#define KVM_CAP_IRQ_XICS 92
1066#define KVM_CAP_ARM_EL1_32BIT 93
1067#define KVM_CAP_SPAPR_MULTITCE 94
1068#define KVM_CAP_EXT_EMUL_CPUID 95
1069#define KVM_CAP_HYPERV_TIME 96
1070#define KVM_CAP_IOAPIC_POLARITY_IGNORED 97
1071#define KVM_CAP_ENABLE_CAP_VM 98
1072#define KVM_CAP_S390_IRQCHIP 99
1073#define KVM_CAP_IOEVENTFD_NO_LENGTH 100
1074#define KVM_CAP_VM_ATTRIBUTES 101
1075#define KVM_CAP_ARM_PSCI_0_2 102
1076#define KVM_CAP_PPC_FIXUP_HCALL 103
1077#define KVM_CAP_PPC_ENABLE_HCALL 104
1078#define KVM_CAP_CHECK_EXTENSION_VM 105
1079#define KVM_CAP_S390_USER_SIGP 106
1080#define KVM_CAP_S390_VECTOR_REGISTERS 107
1081#define KVM_CAP_S390_MEM_OP 108
1082#define KVM_CAP_S390_USER_STSI 109
1083#define KVM_CAP_S390_SKEYS 110
1084#define KVM_CAP_MIPS_FPU 111
1085#define KVM_CAP_MIPS_MSA 112
1086#define KVM_CAP_S390_INJECT_IRQ 113
1087#define KVM_CAP_S390_IRQ_STATE 114
1088#define KVM_CAP_PPC_HWRNG 115
1089#define KVM_CAP_DISABLE_QUIRKS 116
1090#define KVM_CAP_X86_SMM 117
1091#define KVM_CAP_MULTI_ADDRESS_SPACE 118
1092#define KVM_CAP_GUEST_DEBUG_HW_BPS 119
1093#define KVM_CAP_GUEST_DEBUG_HW_WPS 120
1094#define KVM_CAP_SPLIT_IRQCHIP 121
1095#define KVM_CAP_IOEVENTFD_ANY_LENGTH 122
1096#define KVM_CAP_HYPERV_SYNIC 123
1097#define KVM_CAP_S390_RI 124
1098#define KVM_CAP_SPAPR_TCE_64 125
1099#define KVM_CAP_ARM_PMU_V3 126
1100#define KVM_CAP_VCPU_ATTRIBUTES 127
1101#define KVM_CAP_MAX_VCPU_ID 128
1102#define KVM_CAP_X2APIC_API 129
1103#define KVM_CAP_S390_USER_INSTR0 130
1104#define KVM_CAP_MSI_DEVID 131
1105#define KVM_CAP_PPC_HTM 132
1106#define KVM_CAP_SPAPR_RESIZE_HPT 133
1107#define KVM_CAP_PPC_MMU_RADIX 134
1108#define KVM_CAP_PPC_MMU_HASH_V3 135
1109#define KVM_CAP_IMMEDIATE_EXIT 136
1110#define KVM_CAP_MIPS_VZ 137
1111#define KVM_CAP_MIPS_TE 138
1112#define KVM_CAP_MIPS_64BIT 139
1113#define KVM_CAP_S390_GS 140
1114#define KVM_CAP_S390_AIS 141
1115#define KVM_CAP_SPAPR_TCE_VFIO 142
1116#define KVM_CAP_X86_DISABLE_EXITS 143
1117#define KVM_CAP_ARM_USER_IRQ 144
1118#define KVM_CAP_S390_CMMA_MIGRATION 145
1119#define KVM_CAP_PPC_FWNMI 146
1120#define KVM_CAP_PPC_SMT_POSSIBLE 147
1121#define KVM_CAP_HYPERV_SYNIC2 148
1122#define KVM_CAP_HYPERV_VP_INDEX 149
1123#define KVM_CAP_S390_AIS_MIGRATION 150
1124#define KVM_CAP_PPC_GET_CPU_CHAR 151
1125#define KVM_CAP_S390_BPB 152
1126#define KVM_CAP_GET_MSR_FEATURES 153
1127#define KVM_CAP_HYPERV_EVENTFD 154
1128#define KVM_CAP_HYPERV_TLBFLUSH 155
1129#define KVM_CAP_S390_HPAGE_1M 156
1130#define KVM_CAP_NESTED_STATE 157
1131#define KVM_CAP_ARM_INJECT_SERROR_ESR 158
1132#define KVM_CAP_MSR_PLATFORM_INFO 159
1133#define KVM_CAP_PPC_NESTED_HV 160
1134#define KVM_CAP_HYPERV_SEND_IPI 161
1135#define KVM_CAP_COALESCED_PIO 162
1136#define KVM_CAP_HYPERV_ENLIGHTENED_VMCS 163
1137#define KVM_CAP_EXCEPTION_PAYLOAD 164
1138#define KVM_CAP_ARM_VM_IPA_SIZE 165
1139#define KVM_CAP_MANUAL_DIRTY_LOG_PROTECT 166 /* Obsolete */
1140#define KVM_CAP_HYPERV_CPUID 167
1141#define KVM_CAP_MANUAL_DIRTY_LOG_PROTECT2 168
1142#define KVM_CAP_PPC_IRQ_XIVE 169
1143#define KVM_CAP_ARM_SVE 170
1144#define KVM_CAP_ARM_PTRAUTH_ADDRESS 171
1145#define KVM_CAP_ARM_PTRAUTH_GENERIC 172
1146#define KVM_CAP_PMU_EVENT_FILTER 173
1147#define KVM_CAP_ARM_IRQ_LINE_LAYOUT_2 174
1148#define KVM_CAP_HYPERV_DIRECT_TLBFLUSH 175
1149#define KVM_CAP_PPC_GUEST_DEBUG_SSTEP 176
1150#define KVM_CAP_ARM_NISV_TO_USER 177
1151#define KVM_CAP_ARM_INJECT_EXT_DABT 178
1152#define KVM_CAP_S390_VCPU_RESETS 179
1153#define KVM_CAP_S390_PROTECTED 180
1154#define KVM_CAP_PPC_SECURE_GUEST 181
1155#define KVM_CAP_HALT_POLL 182
1156#define KVM_CAP_ASYNC_PF_INT 183
1157#define KVM_CAP_LAST_CPU 184
1158#define KVM_CAP_SMALLER_MAXPHYADDR 185
1159#define KVM_CAP_S390_DIAG318 186
1160#define KVM_CAP_STEAL_TIME 187
1161#define KVM_CAP_X86_USER_SPACE_MSR 188
1162#define KVM_CAP_X86_MSR_FILTER 189
1163#define KVM_CAP_ENFORCE_PV_FEATURE_CPUID 190
1164#define KVM_CAP_SYS_HYPERV_CPUID 191
1165#define KVM_CAP_DIRTY_LOG_RING 192
1166#define KVM_CAP_X86_BUS_LOCK_EXIT 193
1167#define KVM_CAP_PPC_DAWR1 194
1168#define KVM_CAP_SET_GUEST_DEBUG2 195
1169#define KVM_CAP_SGX_ATTRIBUTE 196
1170#define KVM_CAP_VM_COPY_ENC_CONTEXT_FROM 197
1171#define KVM_CAP_PTP_KVM 198
1172#define KVM_CAP_HYPERV_ENFORCE_CPUID 199
1173#define KVM_CAP_SREGS2 200
1174#define KVM_CAP_EXIT_HYPERCALL 201
1175#define KVM_CAP_PPC_RPT_INVALIDATE 202
1176#define KVM_CAP_BINARY_STATS_FD 203
1177#define KVM_CAP_EXIT_ON_EMULATION_FAILURE 204
1178#define KVM_CAP_ARM_MTE 205
1179#define KVM_CAP_VM_MOVE_ENC_CONTEXT_FROM 206
1180#define KVM_CAP_VM_GPA_BITS 207
1181#define KVM_CAP_XSAVE2 208
1182#define KVM_CAP_SYS_ATTRIBUTES 209
1183#define KVM_CAP_PPC_AIL_MODE_3 210
1184#define KVM_CAP_S390_MEM_OP_EXTENSION 211
1185#define KVM_CAP_PMU_CAPABILITY 212
1186#define KVM_CAP_DISABLE_QUIRKS2 213
1187#define KVM_CAP_VM_TSC_CONTROL 214
1188#define KVM_CAP_SYSTEM_EVENT_DATA 215
1189#define KVM_CAP_ARM_SYSTEM_SUSPEND 216
1190#define KVM_CAP_S390_PROTECTED_DUMP 217
1191#define KVM_CAP_X86_TRIPLE_FAULT_EVENT 218
1192#define KVM_CAP_X86_NOTIFY_VMEXIT 219
1193#define KVM_CAP_VM_DISABLE_NX_HUGE_PAGES 220
1194#define KVM_CAP_S390_ZPCI_OP 221
1195#define KVM_CAP_S390_CPU_TOPOLOGY 222
1196#define KVM_CAP_DIRTY_LOG_RING_ACQ_REL 223
1197#define KVM_CAP_S390_PROTECTED_ASYNC_DISABLE 224
1198#define KVM_CAP_DIRTY_LOG_RING_WITH_BITMAP 225
1199#define KVM_CAP_PMU_EVENT_MASKED_EVENTS 226
1200#define KVM_CAP_COUNTER_OFFSET 227
1201#define KVM_CAP_ARM_EAGER_SPLIT_CHUNK_SIZE 228
1202#define KVM_CAP_ARM_SUPPORTED_BLOCK_SIZES 229
1203#define KVM_CAP_ARM_SUPPORTED_REG_MASK_RANGES 230
1204
1205#ifdef KVM_CAP_IRQ_ROUTING
1206
1207struct kvm_irq_routing_irqchip {
1208 __u32 irqchip;
1209 __u32 pin;
1210};
1211
1212struct kvm_irq_routing_msi {
1213 __u32 address_lo;
1214 __u32 address_hi;
1215 __u32 data;
1216 union {
1217 __u32 pad;
1218 __u32 devid;
1219 };
1220};
1221
1222struct kvm_irq_routing_s390_adapter {
1223 __u64 ind_addr;
1224 __u64 summary_addr;
1225 __u64 ind_offset;
1226 __u32 summary_offset;
1227 __u32 adapter_id;
1228};
1229
1230struct kvm_irq_routing_hv_sint {
1231 __u32 vcpu;
1232 __u32 sint;
1233};
1234
1235struct kvm_irq_routing_xen_evtchn {
1236 __u32 port;
1237 __u32 vcpu;
1238 __u32 priority;
1239};
1240
1241#define KVM_IRQ_ROUTING_XEN_EVTCHN_PRIO_2LEVEL ((__u32)(-1))
1242
1243/* gsi routing entry types */
1244#define KVM_IRQ_ROUTING_IRQCHIP 1
1245#define KVM_IRQ_ROUTING_MSI 2
1246#define KVM_IRQ_ROUTING_S390_ADAPTER 3
1247#define KVM_IRQ_ROUTING_HV_SINT 4
1248#define KVM_IRQ_ROUTING_XEN_EVTCHN 5
1249
1250struct kvm_irq_routing_entry {
1251 __u32 gsi;
1252 __u32 type;
1253 __u32 flags;
1254 __u32 pad;
1255 union {
1256 struct kvm_irq_routing_irqchip irqchip;
1257 struct kvm_irq_routing_msi msi;
1258 struct kvm_irq_routing_s390_adapter adapter;
1259 struct kvm_irq_routing_hv_sint hv_sint;
1260 struct kvm_irq_routing_xen_evtchn xen_evtchn;
1261 __u32 pad[8];
1262 } u;
1263};
1264
1265struct kvm_irq_routing {
1266 __u32 nr;
1267 __u32 flags;
1268 struct kvm_irq_routing_entry entries[];
1269};
1270
1271#endif
1272
1273#ifdef KVM_CAP_MCE
1274/* x86 MCE */
1275struct kvm_x86_mce {
1276 __u64 status;
1277 __u64 addr;
1278 __u64 misc;
1279 __u64 mcg_status;
1280 __u8 bank;
1281 __u8 pad1[7];
1282 __u64 pad2[3];
1283};
1284#endif
1285
1286#ifdef KVM_CAP_XEN_HVM
1287#define KVM_XEN_HVM_CONFIG_HYPERCALL_MSR (1 << 0)
1288#define KVM_XEN_HVM_CONFIG_INTERCEPT_HCALL (1 << 1)
1289#define KVM_XEN_HVM_CONFIG_SHARED_INFO (1 << 2)
1290#define KVM_XEN_HVM_CONFIG_RUNSTATE (1 << 3)
1291#define KVM_XEN_HVM_CONFIG_EVTCHN_2LEVEL (1 << 4)
1292#define KVM_XEN_HVM_CONFIG_EVTCHN_SEND (1 << 5)
1293#define KVM_XEN_HVM_CONFIG_RUNSTATE_UPDATE_FLAG (1 << 6)
1294
1295struct kvm_xen_hvm_config {
1296 __u32 flags;
1297 __u32 msr;
1298 __u64 blob_addr_32;
1299 __u64 blob_addr_64;
1300 __u8 blob_size_32;
1301 __u8 blob_size_64;
1302 __u8 pad2[30];
1303};
1304#endif
1305
1306#define KVM_IRQFD_FLAG_DEASSIGN (1 << 0)
1307/*
1308 * Available with KVM_CAP_IRQFD_RESAMPLE
1309 *
1310 * KVM_IRQFD_FLAG_RESAMPLE indicates resamplefd is valid and specifies
1311 * the irqfd to operate in resampling mode for level triggered interrupt
1312 * emulation. See Documentation/virt/kvm/api.rst.
1313 */
1314#define KVM_IRQFD_FLAG_RESAMPLE (1 << 1)
1315
1316struct kvm_irqfd {
1317 __u32 fd;
1318 __u32 gsi;
1319 __u32 flags;
1320 __u32 resamplefd;
1321 __u8 pad[16];
1322};
1323
1324/* For KVM_CAP_ADJUST_CLOCK */
1325
1326/* Do not use 1, KVM_CHECK_EXTENSION returned it before we had flags. */
1327#define KVM_CLOCK_TSC_STABLE 2
1328#define KVM_CLOCK_REALTIME (1 << 2)
1329#define KVM_CLOCK_HOST_TSC (1 << 3)
1330
1331struct kvm_clock_data {
1332 __u64 clock;
1333 __u32 flags;
1334 __u32 pad0;
1335 __u64 realtime;
1336 __u64 host_tsc;
1337 __u32 pad[4];
1338};
1339
1340/* For KVM_CAP_SW_TLB */
1341
1342#define KVM_MMU_FSL_BOOKE_NOHV 0
1343#define KVM_MMU_FSL_BOOKE_HV 1
1344
1345struct kvm_config_tlb {
1346 __u64 params;
1347 __u64 array;
1348 __u32 mmu_type;
1349 __u32 array_len;
1350};
1351
1352struct kvm_dirty_tlb {
1353 __u64 bitmap;
1354 __u32 num_dirty;
1355};
1356
1357/* Available with KVM_CAP_ONE_REG */
1358
1359#define KVM_REG_ARCH_MASK 0xff00000000000000ULL
1360#define KVM_REG_GENERIC 0x0000000000000000ULL
1361
1362/*
1363 * Architecture specific registers are to be defined in arch headers and
1364 * ORed with the arch identifier.
1365 */
1366#define KVM_REG_PPC 0x1000000000000000ULL
1367#define KVM_REG_X86 0x2000000000000000ULL
1368#define KVM_REG_IA64 0x3000000000000000ULL
1369#define KVM_REG_ARM 0x4000000000000000ULL
1370#define KVM_REG_S390 0x5000000000000000ULL
1371#define KVM_REG_ARM64 0x6000000000000000ULL
1372#define KVM_REG_MIPS 0x7000000000000000ULL
1373#define KVM_REG_RISCV 0x8000000000000000ULL
1374#define KVM_REG_LOONGARCH 0x9000000000000000ULL
1375
1376#define KVM_REG_SIZE_SHIFT 52
1377#define KVM_REG_SIZE_MASK 0x00f0000000000000ULL
1378#define KVM_REG_SIZE_U8 0x0000000000000000ULL
1379#define KVM_REG_SIZE_U16 0x0010000000000000ULL
1380#define KVM_REG_SIZE_U32 0x0020000000000000ULL
1381#define KVM_REG_SIZE_U64 0x0030000000000000ULL
1382#define KVM_REG_SIZE_U128 0x0040000000000000ULL
1383#define KVM_REG_SIZE_U256 0x0050000000000000ULL
1384#define KVM_REG_SIZE_U512 0x0060000000000000ULL
1385#define KVM_REG_SIZE_U1024 0x0070000000000000ULL
1386#define KVM_REG_SIZE_U2048 0x0080000000000000ULL
1387
1388struct kvm_reg_list {
1389 __u64 n; /* number of regs */
1390 __u64 reg[];
1391};
1392
1393struct kvm_one_reg {
1394 __u64 id;
1395 __u64 addr;
1396};
1397
1398#define KVM_MSI_VALID_DEVID (1U << 0)
1399struct kvm_msi {
1400 __u32 address_lo;
1401 __u32 address_hi;
1402 __u32 data;
1403 __u32 flags;
1404 __u32 devid;
1405 __u8 pad[12];
1406};
1407
1408struct kvm_arm_device_addr {
1409 __u64 id;
1410 __u64 addr;
1411};
1412
1413/*
1414 * Device control API, available with KVM_CAP_DEVICE_CTRL
1415 */
1416#define KVM_CREATE_DEVICE_TEST 1
1417
1418struct kvm_create_device {
1419 __u32 type; /* in: KVM_DEV_TYPE_xxx */
1420 __u32 fd; /* out: device handle */
1421 __u32 flags; /* in: KVM_CREATE_DEVICE_xxx */
1422};
1423
1424struct kvm_device_attr {
1425 __u32 flags; /* no flags currently defined */
1426 __u32 group; /* device-defined */
1427 __u64 attr; /* group-defined */
1428 __u64 addr; /* userspace address of attr data */
1429};
1430
1431#define KVM_DEV_VFIO_FILE 1
1432
1433#define KVM_DEV_VFIO_FILE_ADD 1
1434#define KVM_DEV_VFIO_FILE_DEL 2
1435
1436/* KVM_DEV_VFIO_GROUP aliases are for compile time uapi compatibility */
1437#define KVM_DEV_VFIO_GROUP KVM_DEV_VFIO_FILE
1438
1439#define KVM_DEV_VFIO_GROUP_ADD KVM_DEV_VFIO_FILE_ADD
1440#define KVM_DEV_VFIO_GROUP_DEL KVM_DEV_VFIO_FILE_DEL
1441#define KVM_DEV_VFIO_GROUP_SET_SPAPR_TCE 3
1442
1443enum kvm_device_type {
1444 KVM_DEV_TYPE_FSL_MPIC_20 = 1,
1445#define KVM_DEV_TYPE_FSL_MPIC_20 KVM_DEV_TYPE_FSL_MPIC_20
1446 KVM_DEV_TYPE_FSL_MPIC_42,
1447#define KVM_DEV_TYPE_FSL_MPIC_42 KVM_DEV_TYPE_FSL_MPIC_42
1448 KVM_DEV_TYPE_XICS,
1449#define KVM_DEV_TYPE_XICS KVM_DEV_TYPE_XICS
1450 KVM_DEV_TYPE_VFIO,
1451#define KVM_DEV_TYPE_VFIO KVM_DEV_TYPE_VFIO
1452 KVM_DEV_TYPE_ARM_VGIC_V2,
1453#define KVM_DEV_TYPE_ARM_VGIC_V2 KVM_DEV_TYPE_ARM_VGIC_V2
1454 KVM_DEV_TYPE_FLIC,
1455#define KVM_DEV_TYPE_FLIC KVM_DEV_TYPE_FLIC
1456 KVM_DEV_TYPE_ARM_VGIC_V3,
1457#define KVM_DEV_TYPE_ARM_VGIC_V3 KVM_DEV_TYPE_ARM_VGIC_V3
1458 KVM_DEV_TYPE_ARM_VGIC_ITS,
1459#define KVM_DEV_TYPE_ARM_VGIC_ITS KVM_DEV_TYPE_ARM_VGIC_ITS
1460 KVM_DEV_TYPE_XIVE,
1461#define KVM_DEV_TYPE_XIVE KVM_DEV_TYPE_XIVE
1462 KVM_DEV_TYPE_ARM_PV_TIME,
1463#define KVM_DEV_TYPE_ARM_PV_TIME KVM_DEV_TYPE_ARM_PV_TIME
1464 KVM_DEV_TYPE_RISCV_AIA,
1465#define KVM_DEV_TYPE_RISCV_AIA KVM_DEV_TYPE_RISCV_AIA
1466 KVM_DEV_TYPE_MAX,
1467};
1468
1469struct kvm_vfio_spapr_tce {
1470 __s32 groupfd;
1471 __s32 tablefd;
1472};
1473
1474/*
1475 * KVM_CREATE_VCPU receives as a parameter the vcpu slot, and returns
1476 * a vcpu fd.
1477 */
1478#define KVM_CREATE_VCPU _IO(KVMIO, 0x41)
1479#define KVM_GET_DIRTY_LOG _IOW(KVMIO, 0x42, struct kvm_dirty_log)
1480#define KVM_SET_NR_MMU_PAGES _IO(KVMIO, 0x44)
1481#define KVM_GET_NR_MMU_PAGES _IO(KVMIO, 0x45) /* deprecated */
1482#define KVM_SET_USER_MEMORY_REGION _IOW(KVMIO, 0x46, \
1483 struct kvm_userspace_memory_region)
1484#define KVM_SET_TSS_ADDR _IO(KVMIO, 0x47)
1485#define KVM_SET_IDENTITY_MAP_ADDR _IOW(KVMIO, 0x48, __u64)
1486
1487/* enable ucontrol for s390 */
1488struct kvm_s390_ucas_mapping {
1489 __u64 user_addr;
1490 __u64 vcpu_addr;
1491 __u64 length;
1492};
1493#define KVM_S390_UCAS_MAP _IOW(KVMIO, 0x50, struct kvm_s390_ucas_mapping)
1494#define KVM_S390_UCAS_UNMAP _IOW(KVMIO, 0x51, struct kvm_s390_ucas_mapping)
1495#define KVM_S390_VCPU_FAULT _IOW(KVMIO, 0x52, unsigned long)
1496
1497/* Device model IOC */
1498#define KVM_CREATE_IRQCHIP _IO(KVMIO, 0x60)
1499#define KVM_IRQ_LINE _IOW(KVMIO, 0x61, struct kvm_irq_level)
1500#define KVM_GET_IRQCHIP _IOWR(KVMIO, 0x62, struct kvm_irqchip)
1501#define KVM_SET_IRQCHIP _IOR(KVMIO, 0x63, struct kvm_irqchip)
1502#define KVM_CREATE_PIT _IO(KVMIO, 0x64)
1503#define KVM_GET_PIT _IOWR(KVMIO, 0x65, struct kvm_pit_state)
1504#define KVM_SET_PIT _IOR(KVMIO, 0x66, struct kvm_pit_state)
1505#define KVM_IRQ_LINE_STATUS _IOWR(KVMIO, 0x67, struct kvm_irq_level)
1506#define KVM_REGISTER_COALESCED_MMIO \
1507 _IOW(KVMIO, 0x67, struct kvm_coalesced_mmio_zone)
1508#define KVM_UNREGISTER_COALESCED_MMIO \
1509 _IOW(KVMIO, 0x68, struct kvm_coalesced_mmio_zone)
1510#define KVM_ASSIGN_PCI_DEVICE _IOR(KVMIO, 0x69, \
1511 struct kvm_assigned_pci_dev)
1512#define KVM_SET_GSI_ROUTING _IOW(KVMIO, 0x6a, struct kvm_irq_routing)
1513/* deprecated, replaced by KVM_ASSIGN_DEV_IRQ */
1514#define KVM_ASSIGN_IRQ __KVM_DEPRECATED_VM_R_0x70
1515#define KVM_ASSIGN_DEV_IRQ _IOW(KVMIO, 0x70, struct kvm_assigned_irq)
1516#define KVM_REINJECT_CONTROL _IO(KVMIO, 0x71)
1517#define KVM_DEASSIGN_PCI_DEVICE _IOW(KVMIO, 0x72, \
1518 struct kvm_assigned_pci_dev)
1519#define KVM_ASSIGN_SET_MSIX_NR _IOW(KVMIO, 0x73, \
1520 struct kvm_assigned_msix_nr)
1521#define KVM_ASSIGN_SET_MSIX_ENTRY _IOW(KVMIO, 0x74, \
1522 struct kvm_assigned_msix_entry)
1523#define KVM_DEASSIGN_DEV_IRQ _IOW(KVMIO, 0x75, struct kvm_assigned_irq)
1524#define KVM_IRQFD _IOW(KVMIO, 0x76, struct kvm_irqfd)
1525#define KVM_CREATE_PIT2 _IOW(KVMIO, 0x77, struct kvm_pit_config)
1526#define KVM_SET_BOOT_CPU_ID _IO(KVMIO, 0x78)
1527#define KVM_IOEVENTFD _IOW(KVMIO, 0x79, struct kvm_ioeventfd)
1528#define KVM_XEN_HVM_CONFIG _IOW(KVMIO, 0x7a, struct kvm_xen_hvm_config)
1529#define KVM_SET_CLOCK _IOW(KVMIO, 0x7b, struct kvm_clock_data)
1530#define KVM_GET_CLOCK _IOR(KVMIO, 0x7c, struct kvm_clock_data)
1531/* Available with KVM_CAP_PIT_STATE2 */
1532#define KVM_GET_PIT2 _IOR(KVMIO, 0x9f, struct kvm_pit_state2)
1533#define KVM_SET_PIT2 _IOW(KVMIO, 0xa0, struct kvm_pit_state2)
1534/* Available with KVM_CAP_PPC_GET_PVINFO */
1535#define KVM_PPC_GET_PVINFO _IOW(KVMIO, 0xa1, struct kvm_ppc_pvinfo)
1536/* Available with KVM_CAP_TSC_CONTROL for a vCPU, or with
1537* KVM_CAP_VM_TSC_CONTROL to set defaults for a VM */
1538#define KVM_SET_TSC_KHZ _IO(KVMIO, 0xa2)
1539#define KVM_GET_TSC_KHZ _IO(KVMIO, 0xa3)
1540/* Available with KVM_CAP_PCI_2_3 */
1541#define KVM_ASSIGN_SET_INTX_MASK _IOW(KVMIO, 0xa4, \
1542 struct kvm_assigned_pci_dev)
1543/* Available with KVM_CAP_SIGNAL_MSI */
1544#define KVM_SIGNAL_MSI _IOW(KVMIO, 0xa5, struct kvm_msi)
1545/* Available with KVM_CAP_PPC_GET_SMMU_INFO */
1546#define KVM_PPC_GET_SMMU_INFO _IOR(KVMIO, 0xa6, struct kvm_ppc_smmu_info)
1547/* Available with KVM_CAP_PPC_ALLOC_HTAB */
1548#define KVM_PPC_ALLOCATE_HTAB _IOWR(KVMIO, 0xa7, __u32)
1549#define KVM_CREATE_SPAPR_TCE _IOW(KVMIO, 0xa8, struct kvm_create_spapr_tce)
1550#define KVM_CREATE_SPAPR_TCE_64 _IOW(KVMIO, 0xa8, \
1551 struct kvm_create_spapr_tce_64)
1552/* Available with KVM_CAP_RMA */
1553#define KVM_ALLOCATE_RMA _IOR(KVMIO, 0xa9, struct kvm_allocate_rma)
1554/* Available with KVM_CAP_PPC_HTAB_FD */
1555#define KVM_PPC_GET_HTAB_FD _IOW(KVMIO, 0xaa, struct kvm_get_htab_fd)
1556/* Available with KVM_CAP_ARM_SET_DEVICE_ADDR */
1557#define KVM_ARM_SET_DEVICE_ADDR _IOW(KVMIO, 0xab, struct kvm_arm_device_addr)
1558/* Available with KVM_CAP_PPC_RTAS */
1559#define KVM_PPC_RTAS_DEFINE_TOKEN _IOW(KVMIO, 0xac, struct kvm_rtas_token_args)
1560/* Available with KVM_CAP_SPAPR_RESIZE_HPT */
1561#define KVM_PPC_RESIZE_HPT_PREPARE _IOR(KVMIO, 0xad, struct kvm_ppc_resize_hpt)
1562#define KVM_PPC_RESIZE_HPT_COMMIT _IOR(KVMIO, 0xae, struct kvm_ppc_resize_hpt)
1563/* Available with KVM_CAP_PPC_RADIX_MMU or KVM_CAP_PPC_HASH_MMU_V3 */
1564#define KVM_PPC_CONFIGURE_V3_MMU _IOW(KVMIO, 0xaf, struct kvm_ppc_mmuv3_cfg)
1565/* Available with KVM_CAP_PPC_RADIX_MMU */
1566#define KVM_PPC_GET_RMMU_INFO _IOW(KVMIO, 0xb0, struct kvm_ppc_rmmu_info)
1567/* Available with KVM_CAP_PPC_GET_CPU_CHAR */
1568#define KVM_PPC_GET_CPU_CHAR _IOR(KVMIO, 0xb1, struct kvm_ppc_cpu_char)
1569/* Available with KVM_CAP_PMU_EVENT_FILTER */
1570#define KVM_SET_PMU_EVENT_FILTER _IOW(KVMIO, 0xb2, struct kvm_pmu_event_filter)
1571#define KVM_PPC_SVM_OFF _IO(KVMIO, 0xb3)
1572#define KVM_ARM_MTE_COPY_TAGS _IOR(KVMIO, 0xb4, struct kvm_arm_copy_mte_tags)
1573/* Available with KVM_CAP_COUNTER_OFFSET */
1574#define KVM_ARM_SET_COUNTER_OFFSET _IOW(KVMIO, 0xb5, struct kvm_arm_counter_offset)
1575#define KVM_ARM_GET_REG_WRITABLE_MASKS _IOR(KVMIO, 0xb6, struct reg_mask_range)
1576
1577/* ioctl for vm fd */
1578#define KVM_CREATE_DEVICE _IOWR(KVMIO, 0xe0, struct kvm_create_device)
1579
1580/* ioctls for fds returned by KVM_CREATE_DEVICE */
1581#define KVM_SET_DEVICE_ATTR _IOW(KVMIO, 0xe1, struct kvm_device_attr)
1582#define KVM_GET_DEVICE_ATTR _IOW(KVMIO, 0xe2, struct kvm_device_attr)
1583#define KVM_HAS_DEVICE_ATTR _IOW(KVMIO, 0xe3, struct kvm_device_attr)
1584
1585/*
1586 * ioctls for vcpu fds
1587 */
1588#define KVM_RUN _IO(KVMIO, 0x80)
1589#define KVM_GET_REGS _IOR(KVMIO, 0x81, struct kvm_regs)
1590#define KVM_SET_REGS _IOW(KVMIO, 0x82, struct kvm_regs)
1591#define KVM_GET_SREGS _IOR(KVMIO, 0x83, struct kvm_sregs)
1592#define KVM_SET_SREGS _IOW(KVMIO, 0x84, struct kvm_sregs)
1593#define KVM_TRANSLATE _IOWR(KVMIO, 0x85, struct kvm_translation)
1594#define KVM_INTERRUPT _IOW(KVMIO, 0x86, struct kvm_interrupt)
1595/* KVM_DEBUG_GUEST is no longer supported, use KVM_SET_GUEST_DEBUG instead */
1596#define KVM_DEBUG_GUEST __KVM_DEPRECATED_VCPU_W_0x87
1597#define KVM_GET_MSRS _IOWR(KVMIO, 0x88, struct kvm_msrs)
1598#define KVM_SET_MSRS _IOW(KVMIO, 0x89, struct kvm_msrs)
1599#define KVM_SET_CPUID _IOW(KVMIO, 0x8a, struct kvm_cpuid)
1600#define KVM_SET_SIGNAL_MASK _IOW(KVMIO, 0x8b, struct kvm_signal_mask)
1601#define KVM_GET_FPU _IOR(KVMIO, 0x8c, struct kvm_fpu)
1602#define KVM_SET_FPU _IOW(KVMIO, 0x8d, struct kvm_fpu)
1603#define KVM_GET_LAPIC _IOR(KVMIO, 0x8e, struct kvm_lapic_state)
1604#define KVM_SET_LAPIC _IOW(KVMIO, 0x8f, struct kvm_lapic_state)
1605#define KVM_SET_CPUID2 _IOW(KVMIO, 0x90, struct kvm_cpuid2)
1606#define KVM_GET_CPUID2 _IOWR(KVMIO, 0x91, struct kvm_cpuid2)
1607/* Available with KVM_CAP_VAPIC */
1608#define KVM_TPR_ACCESS_REPORTING _IOWR(KVMIO, 0x92, struct kvm_tpr_access_ctl)
1609/* Available with KVM_CAP_VAPIC */
1610#define KVM_SET_VAPIC_ADDR _IOW(KVMIO, 0x93, struct kvm_vapic_addr)
1611/* valid for virtual machine (for floating interrupt)_and_ vcpu */
1612#define KVM_S390_INTERRUPT _IOW(KVMIO, 0x94, struct kvm_s390_interrupt)
1613/* store status for s390 */
1614#define KVM_S390_STORE_STATUS_NOADDR (-1ul)
1615#define KVM_S390_STORE_STATUS_PREFIXED (-2ul)
1616#define KVM_S390_STORE_STATUS _IOW(KVMIO, 0x95, unsigned long)
1617/* initial ipl psw for s390 */
1618#define KVM_S390_SET_INITIAL_PSW _IOW(KVMIO, 0x96, struct kvm_s390_psw)
1619/* initial reset for s390 */
1620#define KVM_S390_INITIAL_RESET _IO(KVMIO, 0x97)
1621#define KVM_GET_MP_STATE _IOR(KVMIO, 0x98, struct kvm_mp_state)
1622#define KVM_SET_MP_STATE _IOW(KVMIO, 0x99, struct kvm_mp_state)
1623/* Available with KVM_CAP_USER_NMI */
1624#define KVM_NMI _IO(KVMIO, 0x9a)
1625/* Available with KVM_CAP_SET_GUEST_DEBUG */
1626#define KVM_SET_GUEST_DEBUG _IOW(KVMIO, 0x9b, struct kvm_guest_debug)
1627/* MCE for x86 */
1628#define KVM_X86_SETUP_MCE _IOW(KVMIO, 0x9c, __u64)
1629#define KVM_X86_GET_MCE_CAP_SUPPORTED _IOR(KVMIO, 0x9d, __u64)
1630#define KVM_X86_SET_MCE _IOW(KVMIO, 0x9e, struct kvm_x86_mce)
1631/* Available with KVM_CAP_VCPU_EVENTS */
1632#define KVM_GET_VCPU_EVENTS _IOR(KVMIO, 0x9f, struct kvm_vcpu_events)
1633#define KVM_SET_VCPU_EVENTS _IOW(KVMIO, 0xa0, struct kvm_vcpu_events)
1634/* Available with KVM_CAP_DEBUGREGS */
1635#define KVM_GET_DEBUGREGS _IOR(KVMIO, 0xa1, struct kvm_debugregs)
1636#define KVM_SET_DEBUGREGS _IOW(KVMIO, 0xa2, struct kvm_debugregs)
1637/*
1638 * vcpu version available with KVM_CAP_ENABLE_CAP
1639 * vm version available with KVM_CAP_ENABLE_CAP_VM
1640 */
1641#define KVM_ENABLE_CAP _IOW(KVMIO, 0xa3, struct kvm_enable_cap)
1642/* Available with KVM_CAP_XSAVE */
1643#define KVM_GET_XSAVE _IOR(KVMIO, 0xa4, struct kvm_xsave)
1644#define KVM_SET_XSAVE _IOW(KVMIO, 0xa5, struct kvm_xsave)
1645/* Available with KVM_CAP_XCRS */
1646#define KVM_GET_XCRS _IOR(KVMIO, 0xa6, struct kvm_xcrs)
1647#define KVM_SET_XCRS _IOW(KVMIO, 0xa7, struct kvm_xcrs)
1648/* Available with KVM_CAP_SW_TLB */
1649#define KVM_DIRTY_TLB _IOW(KVMIO, 0xaa, struct kvm_dirty_tlb)
1650/* Available with KVM_CAP_ONE_REG */
1651#define KVM_GET_ONE_REG _IOW(KVMIO, 0xab, struct kvm_one_reg)
1652#define KVM_SET_ONE_REG _IOW(KVMIO, 0xac, struct kvm_one_reg)
1653/* VM is being stopped by host */
1654#define KVM_KVMCLOCK_CTRL _IO(KVMIO, 0xad)
1655#define KVM_ARM_VCPU_INIT _IOW(KVMIO, 0xae, struct kvm_vcpu_init)
1656#define KVM_ARM_PREFERRED_TARGET _IOR(KVMIO, 0xaf, struct kvm_vcpu_init)
1657#define KVM_GET_REG_LIST _IOWR(KVMIO, 0xb0, struct kvm_reg_list)
1658/* Available with KVM_CAP_S390_MEM_OP */
1659#define KVM_S390_MEM_OP _IOW(KVMIO, 0xb1, struct kvm_s390_mem_op)
1660/* Available with KVM_CAP_S390_SKEYS */
1661#define KVM_S390_GET_SKEYS _IOW(KVMIO, 0xb2, struct kvm_s390_skeys)
1662#define KVM_S390_SET_SKEYS _IOW(KVMIO, 0xb3, struct kvm_s390_skeys)
1663/* Available with KVM_CAP_S390_INJECT_IRQ */
1664#define KVM_S390_IRQ _IOW(KVMIO, 0xb4, struct kvm_s390_irq)
1665/* Available with KVM_CAP_S390_IRQ_STATE */
1666#define KVM_S390_SET_IRQ_STATE _IOW(KVMIO, 0xb5, struct kvm_s390_irq_state)
1667#define KVM_S390_GET_IRQ_STATE _IOW(KVMIO, 0xb6, struct kvm_s390_irq_state)
1668/* Available with KVM_CAP_X86_SMM */
1669#define KVM_SMI _IO(KVMIO, 0xb7)
1670/* Available with KVM_CAP_S390_CMMA_MIGRATION */
1671#define KVM_S390_GET_CMMA_BITS _IOWR(KVMIO, 0xb8, struct kvm_s390_cmma_log)
1672#define KVM_S390_SET_CMMA_BITS _IOW(KVMIO, 0xb9, struct kvm_s390_cmma_log)
1673/* Memory Encryption Commands */
1674#define KVM_MEMORY_ENCRYPT_OP _IOWR(KVMIO, 0xba, unsigned long)
1675
1676struct kvm_enc_region {
1677 __u64 addr;
1678 __u64 size;
1679};
1680
1681#define KVM_MEMORY_ENCRYPT_REG_REGION _IOR(KVMIO, 0xbb, struct kvm_enc_region)
1682#define KVM_MEMORY_ENCRYPT_UNREG_REGION _IOR(KVMIO, 0xbc, struct kvm_enc_region)
1683
1684/* Available with KVM_CAP_HYPERV_EVENTFD */
1685#define KVM_HYPERV_EVENTFD _IOW(KVMIO, 0xbd, struct kvm_hyperv_eventfd)
1686
1687/* Available with KVM_CAP_NESTED_STATE */
1688#define KVM_GET_NESTED_STATE _IOWR(KVMIO, 0xbe, struct kvm_nested_state)
1689#define KVM_SET_NESTED_STATE _IOW(KVMIO, 0xbf, struct kvm_nested_state)
1690
1691/* Available with KVM_CAP_MANUAL_DIRTY_LOG_PROTECT_2 */
1692#define KVM_CLEAR_DIRTY_LOG _IOWR(KVMIO, 0xc0, struct kvm_clear_dirty_log)
1693
1694/* Available with KVM_CAP_HYPERV_CPUID (vcpu) / KVM_CAP_SYS_HYPERV_CPUID (system) */
1695#define KVM_GET_SUPPORTED_HV_CPUID _IOWR(KVMIO, 0xc1, struct kvm_cpuid2)
1696
1697/* Available with KVM_CAP_ARM_SVE */
1698#define KVM_ARM_VCPU_FINALIZE _IOW(KVMIO, 0xc2, int)
1699
1700/* Available with KVM_CAP_S390_VCPU_RESETS */
1701#define KVM_S390_NORMAL_RESET _IO(KVMIO, 0xc3)
1702#define KVM_S390_CLEAR_RESET _IO(KVMIO, 0xc4)
1703
1704struct kvm_s390_pv_sec_parm {
1705 __u64 origin;
1706 __u64 length;
1707};
1708
1709struct kvm_s390_pv_unp {
1710 __u64 addr;
1711 __u64 size;
1712 __u64 tweak;
1713};
1714
1715enum pv_cmd_dmp_id {
1716 KVM_PV_DUMP_INIT,
1717 KVM_PV_DUMP_CONFIG_STOR_STATE,
1718 KVM_PV_DUMP_COMPLETE,
1719 KVM_PV_DUMP_CPU,
1720};
1721
1722struct kvm_s390_pv_dmp {
1723 __u64 subcmd;
1724 __u64 buff_addr;
1725 __u64 buff_len;
1726 __u64 gaddr; /* For dump storage state */
1727 __u64 reserved[4];
1728};
1729
1730enum pv_cmd_info_id {
1731 KVM_PV_INFO_VM,
1732 KVM_PV_INFO_DUMP,
1733};
1734
1735struct kvm_s390_pv_info_dump {
1736 __u64 dump_cpu_buffer_len;
1737 __u64 dump_config_mem_buffer_per_1m;
1738 __u64 dump_config_finalize_len;
1739};
1740
1741struct kvm_s390_pv_info_vm {
1742 __u64 inst_calls_list[4];
1743 __u64 max_cpus;
1744 __u64 max_guests;
1745 __u64 max_guest_addr;
1746 __u64 feature_indication;
1747};
1748
1749struct kvm_s390_pv_info_header {
1750 __u32 id;
1751 __u32 len_max;
1752 __u32 len_written;
1753 __u32 reserved;
1754};
1755
1756struct kvm_s390_pv_info {
1757 struct kvm_s390_pv_info_header header;
1758 union {
1759 struct kvm_s390_pv_info_dump dump;
1760 struct kvm_s390_pv_info_vm vm;
1761 };
1762};
1763
1764enum pv_cmd_id {
1765 KVM_PV_ENABLE,
1766 KVM_PV_DISABLE,
1767 KVM_PV_SET_SEC_PARMS,
1768 KVM_PV_UNPACK,
1769 KVM_PV_VERIFY,
1770 KVM_PV_PREP_RESET,
1771 KVM_PV_UNSHARE_ALL,
1772 KVM_PV_INFO,
1773 KVM_PV_DUMP,
1774 KVM_PV_ASYNC_CLEANUP_PREPARE,
1775 KVM_PV_ASYNC_CLEANUP_PERFORM,
1776};
1777
1778struct kvm_pv_cmd {
1779 __u32 cmd; /* Command to be executed */
1780 __u16 rc; /* Ultravisor return code */
1781 __u16 rrc; /* Ultravisor return reason code */
1782 __u64 data; /* Data or address */
1783 __u32 flags; /* flags for future extensions. Must be 0 for now */
1784 __u32 reserved[3];
1785};
1786
1787/* Available with KVM_CAP_S390_PROTECTED */
1788#define KVM_S390_PV_COMMAND _IOWR(KVMIO, 0xc5, struct kvm_pv_cmd)
1789
1790/* Available with KVM_CAP_X86_MSR_FILTER */
1791#define KVM_X86_SET_MSR_FILTER _IOW(KVMIO, 0xc6, struct kvm_msr_filter)
1792
1793/* Available with KVM_CAP_DIRTY_LOG_RING */
1794#define KVM_RESET_DIRTY_RINGS _IO(KVMIO, 0xc7)
1795
1796/* Per-VM Xen attributes */
1797#define KVM_XEN_HVM_GET_ATTR _IOWR(KVMIO, 0xc8, struct kvm_xen_hvm_attr)
1798#define KVM_XEN_HVM_SET_ATTR _IOW(KVMIO, 0xc9, struct kvm_xen_hvm_attr)
1799
1800struct kvm_xen_hvm_attr {
1801 __u16 type;
1802 __u16 pad[3];
1803 union {
1804 __u8 long_mode;
1805 __u8 vector;
1806 __u8 runstate_update_flag;
1807 struct {
1808 __u64 gfn;
1809#define KVM_XEN_INVALID_GFN ((__u64)-1)
1810 } shared_info;
1811 struct {
1812 __u32 send_port;
1813 __u32 type; /* EVTCHNSTAT_ipi / EVTCHNSTAT_interdomain */
1814 __u32 flags;
1815#define KVM_XEN_EVTCHN_DEASSIGN (1 << 0)
1816#define KVM_XEN_EVTCHN_UPDATE (1 << 1)
1817#define KVM_XEN_EVTCHN_RESET (1 << 2)
1818 /*
1819 * Events sent by the guest are either looped back to
1820 * the guest itself (potentially on a different port#)
1821 * or signalled via an eventfd.
1822 */
1823 union {
1824 struct {
1825 __u32 port;
1826 __u32 vcpu;
1827 __u32 priority;
1828 } port;
1829 struct {
1830 __u32 port; /* Zero for eventfd */
1831 __s32 fd;
1832 } eventfd;
1833 __u32 padding[4];
1834 } deliver;
1835 } evtchn;
1836 __u32 xen_version;
1837 __u64 pad[8];
1838 } u;
1839};
1840
1841
1842/* Available with KVM_CAP_XEN_HVM / KVM_XEN_HVM_CONFIG_SHARED_INFO */
1843#define KVM_XEN_ATTR_TYPE_LONG_MODE 0x0
1844#define KVM_XEN_ATTR_TYPE_SHARED_INFO 0x1
1845#define KVM_XEN_ATTR_TYPE_UPCALL_VECTOR 0x2
1846/* Available with KVM_CAP_XEN_HVM / KVM_XEN_HVM_CONFIG_EVTCHN_SEND */
1847#define KVM_XEN_ATTR_TYPE_EVTCHN 0x3
1848#define KVM_XEN_ATTR_TYPE_XEN_VERSION 0x4
1849/* Available with KVM_CAP_XEN_HVM / KVM_XEN_HVM_CONFIG_RUNSTATE_UPDATE_FLAG */
1850#define KVM_XEN_ATTR_TYPE_RUNSTATE_UPDATE_FLAG 0x5
1851
1852/* Per-vCPU Xen attributes */
1853#define KVM_XEN_VCPU_GET_ATTR _IOWR(KVMIO, 0xca, struct kvm_xen_vcpu_attr)
1854#define KVM_XEN_VCPU_SET_ATTR _IOW(KVMIO, 0xcb, struct kvm_xen_vcpu_attr)
1855
1856/* Available with KVM_CAP_XEN_HVM / KVM_XEN_HVM_CONFIG_EVTCHN_SEND */
1857#define KVM_XEN_HVM_EVTCHN_SEND _IOW(KVMIO, 0xd0, struct kvm_irq_routing_xen_evtchn)
1858
1859#define KVM_GET_SREGS2 _IOR(KVMIO, 0xcc, struct kvm_sregs2)
1860#define KVM_SET_SREGS2 _IOW(KVMIO, 0xcd, struct kvm_sregs2)
1861
1862struct kvm_xen_vcpu_attr {
1863 __u16 type;
1864 __u16 pad[3];
1865 union {
1866 __u64 gpa;
1867#define KVM_XEN_INVALID_GPA ((__u64)-1)
1868 __u64 pad[8];
1869 struct {
1870 __u64 state;
1871 __u64 state_entry_time;
1872 __u64 time_running;
1873 __u64 time_runnable;
1874 __u64 time_blocked;
1875 __u64 time_offline;
1876 } runstate;
1877 __u32 vcpu_id;
1878 struct {
1879 __u32 port;
1880 __u32 priority;
1881 __u64 expires_ns;
1882 } timer;
1883 __u8 vector;
1884 } u;
1885};
1886
1887/* Available with KVM_CAP_XEN_HVM / KVM_XEN_HVM_CONFIG_SHARED_INFO */
1888#define KVM_XEN_VCPU_ATTR_TYPE_VCPU_INFO 0x0
1889#define KVM_XEN_VCPU_ATTR_TYPE_VCPU_TIME_INFO 0x1
1890#define KVM_XEN_VCPU_ATTR_TYPE_RUNSTATE_ADDR 0x2
1891#define KVM_XEN_VCPU_ATTR_TYPE_RUNSTATE_CURRENT 0x3
1892#define KVM_XEN_VCPU_ATTR_TYPE_RUNSTATE_DATA 0x4
1893#define KVM_XEN_VCPU_ATTR_TYPE_RUNSTATE_ADJUST 0x5
1894/* Available with KVM_CAP_XEN_HVM / KVM_XEN_HVM_CONFIG_EVTCHN_SEND */
1895#define KVM_XEN_VCPU_ATTR_TYPE_VCPU_ID 0x6
1896#define KVM_XEN_VCPU_ATTR_TYPE_TIMER 0x7
1897#define KVM_XEN_VCPU_ATTR_TYPE_UPCALL_VECTOR 0x8
1898
1899/* Secure Encrypted Virtualization command */
1900enum sev_cmd_id {
1901 /* Guest initialization commands */
1902 KVM_SEV_INIT = 0,
1903 KVM_SEV_ES_INIT,
1904 /* Guest launch commands */
1905 KVM_SEV_LAUNCH_START,
1906 KVM_SEV_LAUNCH_UPDATE_DATA,
1907 KVM_SEV_LAUNCH_UPDATE_VMSA,
1908 KVM_SEV_LAUNCH_SECRET,
1909 KVM_SEV_LAUNCH_MEASURE,
1910 KVM_SEV_LAUNCH_FINISH,
1911 /* Guest migration commands (outgoing) */
1912 KVM_SEV_SEND_START,
1913 KVM_SEV_SEND_UPDATE_DATA,
1914 KVM_SEV_SEND_UPDATE_VMSA,
1915 KVM_SEV_SEND_FINISH,
1916 /* Guest migration commands (incoming) */
1917 KVM_SEV_RECEIVE_START,
1918 KVM_SEV_RECEIVE_UPDATE_DATA,
1919 KVM_SEV_RECEIVE_UPDATE_VMSA,
1920 KVM_SEV_RECEIVE_FINISH,
1921 /* Guest status and debug commands */
1922 KVM_SEV_GUEST_STATUS,
1923 KVM_SEV_DBG_DECRYPT,
1924 KVM_SEV_DBG_ENCRYPT,
1925 /* Guest certificates commands */
1926 KVM_SEV_CERT_EXPORT,
1927 /* Attestation report */
1928 KVM_SEV_GET_ATTESTATION_REPORT,
1929 /* Guest Migration Extension */
1930 KVM_SEV_SEND_CANCEL,
1931
1932 KVM_SEV_NR_MAX,
1933};
1934
1935struct kvm_sev_cmd {
1936 __u32 id;
1937 __u64 data;
1938 __u32 error;
1939 __u32 sev_fd;
1940};
1941
1942struct kvm_sev_launch_start {
1943 __u32 handle;
1944 __u32 policy;
1945 __u64 dh_uaddr;
1946 __u32 dh_len;
1947 __u64 session_uaddr;
1948 __u32 session_len;
1949};
1950
1951struct kvm_sev_launch_update_data {
1952 __u64 uaddr;
1953 __u32 len;
1954};
1955
1956
1957struct kvm_sev_launch_secret {
1958 __u64 hdr_uaddr;
1959 __u32 hdr_len;
1960 __u64 guest_uaddr;
1961 __u32 guest_len;
1962 __u64 trans_uaddr;
1963 __u32 trans_len;
1964};
1965
1966struct kvm_sev_launch_measure {
1967 __u64 uaddr;
1968 __u32 len;
1969};
1970
1971struct kvm_sev_guest_status {
1972 __u32 handle;
1973 __u32 policy;
1974 __u32 state;
1975};
1976
1977struct kvm_sev_dbg {
1978 __u64 src_uaddr;
1979 __u64 dst_uaddr;
1980 __u32 len;
1981};
1982
1983struct kvm_sev_attestation_report {
1984 __u8 mnonce[16];
1985 __u64 uaddr;
1986 __u32 len;
1987};
1988
1989struct kvm_sev_send_start {
1990 __u32 policy;
1991 __u64 pdh_cert_uaddr;
1992 __u32 pdh_cert_len;
1993 __u64 plat_certs_uaddr;
1994 __u32 plat_certs_len;
1995 __u64 amd_certs_uaddr;
1996 __u32 amd_certs_len;
1997 __u64 session_uaddr;
1998 __u32 session_len;
1999};
2000
2001struct kvm_sev_send_update_data {
2002 __u64 hdr_uaddr;
2003 __u32 hdr_len;
2004 __u64 guest_uaddr;
2005 __u32 guest_len;
2006 __u64 trans_uaddr;
2007 __u32 trans_len;
2008};
2009
2010struct kvm_sev_receive_start {
2011 __u32 handle;
2012 __u32 policy;
2013 __u64 pdh_uaddr;
2014 __u32 pdh_len;
2015 __u64 session_uaddr;
2016 __u32 session_len;
2017};
2018
2019struct kvm_sev_receive_update_data {
2020 __u64 hdr_uaddr;
2021 __u32 hdr_len;
2022 __u64 guest_uaddr;
2023 __u32 guest_len;
2024 __u64 trans_uaddr;
2025 __u32 trans_len;
2026};
2027
2028#define KVM_DEV_ASSIGN_ENABLE_IOMMU (1 << 0)
2029#define KVM_DEV_ASSIGN_PCI_2_3 (1 << 1)
2030#define KVM_DEV_ASSIGN_MASK_INTX (1 << 2)
2031
2032struct kvm_assigned_pci_dev {
2033 __u32 assigned_dev_id;
2034 __u32 busnr;
2035 __u32 devfn;
2036 __u32 flags;
2037 __u32 segnr;
2038 union {
2039 __u32 reserved[11];
2040 };
2041};
2042
2043#define KVM_DEV_IRQ_HOST_INTX (1 << 0)
2044#define KVM_DEV_IRQ_HOST_MSI (1 << 1)
2045#define KVM_DEV_IRQ_HOST_MSIX (1 << 2)
2046
2047#define KVM_DEV_IRQ_GUEST_INTX (1 << 8)
2048#define KVM_DEV_IRQ_GUEST_MSI (1 << 9)
2049#define KVM_DEV_IRQ_GUEST_MSIX (1 << 10)
2050
2051#define KVM_DEV_IRQ_HOST_MASK 0x00ff
2052#define KVM_DEV_IRQ_GUEST_MASK 0xff00
2053
2054struct kvm_assigned_irq {
2055 __u32 assigned_dev_id;
2056 __u32 host_irq; /* ignored (legacy field) */
2057 __u32 guest_irq;
2058 __u32 flags;
2059 union {
2060 __u32 reserved[12];
2061 };
2062};
2063
2064struct kvm_assigned_msix_nr {
2065 __u32 assigned_dev_id;
2066 __u16 entry_nr;
2067 __u16 padding;
2068};
2069
2070#define KVM_MAX_MSIX_PER_DEV 256
2071struct kvm_assigned_msix_entry {
2072 __u32 assigned_dev_id;
2073 __u32 gsi;
2074 __u16 entry; /* The index of entry in the MSI-X table */
2075 __u16 padding[3];
2076};
2077
2078#define KVM_X2APIC_API_USE_32BIT_IDS (1ULL << 0)
2079#define KVM_X2APIC_API_DISABLE_BROADCAST_QUIRK (1ULL << 1)
2080
2081/* Available with KVM_CAP_ARM_USER_IRQ */
2082
2083/* Bits for run->s.regs.device_irq_level */
2084#define KVM_ARM_DEV_EL1_VTIMER (1 << 0)
2085#define KVM_ARM_DEV_EL1_PTIMER (1 << 1)
2086#define KVM_ARM_DEV_PMU (1 << 2)
2087
2088struct kvm_hyperv_eventfd {
2089 __u32 conn_id;
2090 __s32 fd;
2091 __u32 flags;
2092 __u32 padding[3];
2093};
2094
2095#define KVM_HYPERV_CONN_ID_MASK 0x00ffffff
2096#define KVM_HYPERV_EVENTFD_DEASSIGN (1 << 0)
2097
2098#define KVM_DIRTY_LOG_MANUAL_PROTECT_ENABLE (1 << 0)
2099#define KVM_DIRTY_LOG_INITIALLY_SET (1 << 1)
2100
2101/*
2102 * Arch needs to define the macro after implementing the dirty ring
2103 * feature. KVM_DIRTY_LOG_PAGE_OFFSET should be defined as the
2104 * starting page offset of the dirty ring structures.
2105 */
2106#ifndef KVM_DIRTY_LOG_PAGE_OFFSET
2107#define KVM_DIRTY_LOG_PAGE_OFFSET 0
2108#endif
2109
2110/*
2111 * KVM dirty GFN flags, defined as:
2112 *
2113 * |---------------+---------------+--------------|
2114 * | bit 1 (reset) | bit 0 (dirty) | Status |
2115 * |---------------+---------------+--------------|
2116 * | 0 | 0 | Invalid GFN |
2117 * | 0 | 1 | Dirty GFN |
2118 * | 1 | X | GFN to reset |
2119 * |---------------+---------------+--------------|
2120 *
2121 * Lifecycle of a dirty GFN goes like:
2122 *
2123 * dirtied harvested reset
2124 * 00 -----------> 01 -------------> 1X -------+
2125 * ^ |
2126 * | |
2127 * +------------------------------------------+
2128 *
2129 * The userspace program is only responsible for the 01->1X state
2130 * conversion after harvesting an entry. Also, it must not skip any
2131 * dirty bits, so that dirty bits are always harvested in sequence.
2132 */
2133#define KVM_DIRTY_GFN_F_DIRTY _BITUL(0)
2134#define KVM_DIRTY_GFN_F_RESET _BITUL(1)
2135#define KVM_DIRTY_GFN_F_MASK 0x3
2136
2137/*
2138 * KVM dirty rings should be mapped at KVM_DIRTY_LOG_PAGE_OFFSET of
2139 * per-vcpu mmaped regions as an array of struct kvm_dirty_gfn. The
2140 * size of the gfn buffer is decided by the first argument when
2141 * enabling KVM_CAP_DIRTY_LOG_RING.
2142 */
2143struct kvm_dirty_gfn {
2144 __u32 flags;
2145 __u32 slot;
2146 __u64 offset;
2147};
2148
2149#define KVM_BUS_LOCK_DETECTION_OFF (1 << 0)
2150#define KVM_BUS_LOCK_DETECTION_EXIT (1 << 1)
2151
2152#define KVM_PMU_CAP_DISABLE (1 << 0)
2153
2154/**
2155 * struct kvm_stats_header - Header of per vm/vcpu binary statistics data.
2156 * @flags: Some extra information for header, always 0 for now.
2157 * @name_size: The size in bytes of the memory which contains statistics
2158 * name string including trailing '\0'. The memory is allocated
2159 * at the send of statistics descriptor.
2160 * @num_desc: The number of statistics the vm or vcpu has.
2161 * @id_offset: The offset of the vm/vcpu stats' id string in the file pointed
2162 * by vm/vcpu stats fd.
2163 * @desc_offset: The offset of the vm/vcpu stats' descriptor block in the file
2164 * pointd by vm/vcpu stats fd.
2165 * @data_offset: The offset of the vm/vcpu stats' data block in the file
2166 * pointed by vm/vcpu stats fd.
2167 *
2168 * This is the header userspace needs to read from stats fd before any other
2169 * readings. It is used by userspace to discover all the information about the
2170 * vm/vcpu's binary statistics.
2171 * Userspace reads this header from the start of the vm/vcpu's stats fd.
2172 */
2173struct kvm_stats_header {
2174 __u32 flags;
2175 __u32 name_size;
2176 __u32 num_desc;
2177 __u32 id_offset;
2178 __u32 desc_offset;
2179 __u32 data_offset;
2180};
2181
2182#define KVM_STATS_TYPE_SHIFT 0
2183#define KVM_STATS_TYPE_MASK (0xF << KVM_STATS_TYPE_SHIFT)
2184#define KVM_STATS_TYPE_CUMULATIVE (0x0 << KVM_STATS_TYPE_SHIFT)
2185#define KVM_STATS_TYPE_INSTANT (0x1 << KVM_STATS_TYPE_SHIFT)
2186#define KVM_STATS_TYPE_PEAK (0x2 << KVM_STATS_TYPE_SHIFT)
2187#define KVM_STATS_TYPE_LINEAR_HIST (0x3 << KVM_STATS_TYPE_SHIFT)
2188#define KVM_STATS_TYPE_LOG_HIST (0x4 << KVM_STATS_TYPE_SHIFT)
2189#define KVM_STATS_TYPE_MAX KVM_STATS_TYPE_LOG_HIST
2190
2191#define KVM_STATS_UNIT_SHIFT 4
2192#define KVM_STATS_UNIT_MASK (0xF << KVM_STATS_UNIT_SHIFT)
2193#define KVM_STATS_UNIT_NONE (0x0 << KVM_STATS_UNIT_SHIFT)
2194#define KVM_STATS_UNIT_BYTES (0x1 << KVM_STATS_UNIT_SHIFT)
2195#define KVM_STATS_UNIT_SECONDS (0x2 << KVM_STATS_UNIT_SHIFT)
2196#define KVM_STATS_UNIT_CYCLES (0x3 << KVM_STATS_UNIT_SHIFT)
2197#define KVM_STATS_UNIT_BOOLEAN (0x4 << KVM_STATS_UNIT_SHIFT)
2198#define KVM_STATS_UNIT_MAX KVM_STATS_UNIT_BOOLEAN
2199
2200#define KVM_STATS_BASE_SHIFT 8
2201#define KVM_STATS_BASE_MASK (0xF << KVM_STATS_BASE_SHIFT)
2202#define KVM_STATS_BASE_POW10 (0x0 << KVM_STATS_BASE_SHIFT)
2203#define KVM_STATS_BASE_POW2 (0x1 << KVM_STATS_BASE_SHIFT)
2204#define KVM_STATS_BASE_MAX KVM_STATS_BASE_POW2
2205
2206/**
2207 * struct kvm_stats_desc - Descriptor of a KVM statistics.
2208 * @flags: Annotations of the stats, like type, unit, etc.
2209 * @exponent: Used together with @flags to determine the unit.
2210 * @size: The number of data items for this stats.
2211 * Every data item is of type __u64.
2212 * @offset: The offset of the stats to the start of stat structure in
2213 * structure kvm or kvm_vcpu.
2214 * @bucket_size: A parameter value used for histogram stats. It is only used
2215 * for linear histogram stats, specifying the size of the bucket;
2216 * @name: The name string for the stats. Its size is indicated by the
2217 * &kvm_stats_header->name_size.
2218 */
2219struct kvm_stats_desc {
2220 __u32 flags;
2221 __s16 exponent;
2222 __u16 size;
2223 __u32 offset;
2224 __u32 bucket_size;
2225 char name[];
2226};
2227
2228#define KVM_GET_STATS_FD _IO(KVMIO, 0xce)
2229
2230/* Available with KVM_CAP_XSAVE2 */
2231#define KVM_GET_XSAVE2 _IOR(KVMIO, 0xcf, struct kvm_xsave)
2232
2233/* Available with KVM_CAP_S390_PROTECTED_DUMP */
2234#define KVM_S390_PV_CPU_COMMAND _IOWR(KVMIO, 0xd0, struct kvm_pv_cmd)
2235
2236/* Available with KVM_CAP_X86_NOTIFY_VMEXIT */
2237#define KVM_X86_NOTIFY_VMEXIT_ENABLED (1ULL << 0)
2238#define KVM_X86_NOTIFY_VMEXIT_USER (1ULL << 1)
2239
2240/* Available with KVM_CAP_S390_ZPCI_OP */
2241#define KVM_S390_ZPCI_OP _IOW(KVMIO, 0xd1, struct kvm_s390_zpci_op)
2242
2243struct kvm_s390_zpci_op {
2244 /* in */
2245 __u32 fh; /* target device */
2246 __u8 op; /* operation to perform */
2247 __u8 pad[3];
2248 union {
2249 /* for KVM_S390_ZPCIOP_REG_AEN */
2250 struct {
2251 __u64 ibv; /* Guest addr of interrupt bit vector */
2252 __u64 sb; /* Guest addr of summary bit */
2253 __u32 flags;
2254 __u32 noi; /* Number of interrupts */
2255 __u8 isc; /* Guest interrupt subclass */
2256 __u8 sbo; /* Offset of guest summary bit vector */
2257 __u16 pad;
2258 } reg_aen;
2259 __u64 reserved[8];
2260 } u;
2261};
2262
2263/* types for kvm_s390_zpci_op->op */
2264#define KVM_S390_ZPCIOP_REG_AEN 0
2265#define KVM_S390_ZPCIOP_DEREG_AEN 1
2266
2267/* flags for kvm_s390_zpci_op->u.reg_aen.flags */
2268#define KVM_S390_ZPCIOP_REGAEN_HOST (1 << 0)
2269
2270#endif /* __LINUX_KVM_H */
2271

source code of linux/include/uapi/linux/kvm.h