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1/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
2#ifndef __LINUX_KVM_H
3#define __LINUX_KVM_H
4
5/*
6 * Userspace interface for /dev/kvm - kernel based virtual machine
7 *
8 * Note: you must update KVM_API_VERSION if you change this interface.
9 */
10
11#include <linux/const.h>
12#include <linux/types.h>
13#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_CREATE_MEMORY_REGION */
90struct kvm_memory_region {
91 __u32 slot;
92 __u32 flags;
93 __u64 guest_phys_addr;
94 __u64 memory_size; /* bytes */
95};
96
97/* for KVM_SET_USER_MEMORY_REGION */
98struct kvm_userspace_memory_region {
99 __u32 slot;
100 __u32 flags;
101 __u64 guest_phys_addr;
102 __u64 memory_size; /* bytes */
103 __u64 userspace_addr; /* start of the userspace allocated memory */
104};
105
106/*
107 * The bit 0 ~ bit 15 of kvm_memory_region::flags are visible for userspace,
108 * other bits are reserved for kvm internal use which are defined in
109 * include/linux/kvm_host.h.
110 */
111#define KVM_MEM_LOG_DIRTY_PAGES (1UL << 0)
112#define KVM_MEM_READONLY (1UL << 1)
113
114/* for KVM_IRQ_LINE */
115struct kvm_irq_level {
116 /*
117 * ACPI gsi notion of irq.
118 * For IA-64 (APIC model) IOAPIC0: irq 0-23; IOAPIC1: irq 24-47..
119 * For X86 (standard AT mode) PIC0/1: irq 0-15. IOAPIC0: 0-23..
120 * For ARM: See Documentation/virt/kvm/api.rst
121 */
122 union {
123 __u32 irq;
124 __s32 status;
125 };
126 __u32 level;
127};
128
129
130struct kvm_irqchip {
131 __u32 chip_id;
132 __u32 pad;
133 union {
134 char dummy[512]; /* reserving space */
135#ifdef __KVM_HAVE_PIT
136 struct kvm_pic_state pic;
137#endif
138#ifdef __KVM_HAVE_IOAPIC
139 struct kvm_ioapic_state ioapic;
140#endif
141 } chip;
142};
143
144/* for KVM_CREATE_PIT2 */
145struct kvm_pit_config {
146 __u32 flags;
147 __u32 pad[15];
148};
149
150#define KVM_PIT_SPEAKER_DUMMY 1
151
152struct kvm_s390_skeys {
153 __u64 start_gfn;
154 __u64 count;
155 __u64 skeydata_addr;
156 __u32 flags;
157 __u32 reserved[9];
158};
159
160#define KVM_S390_CMMA_PEEK (1 << 0)
161
162/**
163 * kvm_s390_cmma_log - Used for CMMA migration.
164 *
165 * Used both for input and output.
166 *
167 * @start_gfn: Guest page number to start from.
168 * @count: Size of the result buffer.
169 * @flags: Control operation mode via KVM_S390_CMMA_* flags
170 * @remaining: Used with KVM_S390_GET_CMMA_BITS. Indicates how many dirty
171 * pages are still remaining.
172 * @mask: Used with KVM_S390_SET_CMMA_BITS. Bitmap of bits to actually set
173 * in the PGSTE.
174 * @values: Pointer to the values buffer.
175 *
176 * Used in KVM_S390_{G,S}ET_CMMA_BITS ioctls.
177 */
178struct kvm_s390_cmma_log {
179 __u64 start_gfn;
180 __u32 count;
181 __u32 flags;
182 union {
183 __u64 remaining;
184 __u64 mask;
185 };
186 __u64 values;
187};
188
189struct kvm_hyperv_exit {
190#define KVM_EXIT_HYPERV_SYNIC 1
191#define KVM_EXIT_HYPERV_HCALL 2
192#define KVM_EXIT_HYPERV_SYNDBG 3
193 __u32 type;
194 __u32 pad1;
195 union {
196 struct {
197 __u32 msr;
198 __u32 pad2;
199 __u64 control;
200 __u64 evt_page;
201 __u64 msg_page;
202 } synic;
203 struct {
204 __u64 input;
205 __u64 result;
206 __u64 params[2];
207 } hcall;
208 struct {
209 __u32 msr;
210 __u32 pad2;
211 __u64 control;
212 __u64 status;
213 __u64 send_page;
214 __u64 recv_page;
215 __u64 pending_page;
216 } syndbg;
217 } u;
218};
219
220struct kvm_xen_exit {
221#define KVM_EXIT_XEN_HCALL 1
222 __u32 type;
223 union {
224 struct {
225 __u32 longmode;
226 __u32 cpl;
227 __u64 input;
228 __u64 result;
229 __u64 params[6];
230 } hcall;
231 } u;
232};
233
234#define KVM_S390_GET_SKEYS_NONE 1
235#define KVM_S390_SKEYS_MAX 1048576
236
237#define KVM_EXIT_UNKNOWN 0
238#define KVM_EXIT_EXCEPTION 1
239#define KVM_EXIT_IO 2
240#define KVM_EXIT_HYPERCALL 3
241#define KVM_EXIT_DEBUG 4
242#define KVM_EXIT_HLT 5
243#define KVM_EXIT_MMIO 6
244#define KVM_EXIT_IRQ_WINDOW_OPEN 7
245#define KVM_EXIT_SHUTDOWN 8
246#define KVM_EXIT_FAIL_ENTRY 9
247#define KVM_EXIT_INTR 10
248#define KVM_EXIT_SET_TPR 11
249#define KVM_EXIT_TPR_ACCESS 12
250#define KVM_EXIT_S390_SIEIC 13
251#define KVM_EXIT_S390_RESET 14
252#define KVM_EXIT_DCR 15 /* deprecated */
253#define KVM_EXIT_NMI 16
254#define KVM_EXIT_INTERNAL_ERROR 17
255#define KVM_EXIT_OSI 18
256#define KVM_EXIT_PAPR_HCALL 19
257#define KVM_EXIT_S390_UCONTROL 20
258#define KVM_EXIT_WATCHDOG 21
259#define KVM_EXIT_S390_TSCH 22
260#define KVM_EXIT_EPR 23
261#define KVM_EXIT_SYSTEM_EVENT 24
262#define KVM_EXIT_S390_STSI 25
263#define KVM_EXIT_IOAPIC_EOI 26
264#define KVM_EXIT_HYPERV 27
265#define KVM_EXIT_ARM_NISV 28
266#define KVM_EXIT_X86_RDMSR 29
267#define KVM_EXIT_X86_WRMSR 30
268#define KVM_EXIT_DIRTY_RING_FULL 31
269#define KVM_EXIT_AP_RESET_HOLD 32
270#define KVM_EXIT_X86_BUS_LOCK 33
271#define KVM_EXIT_XEN 34
272#define KVM_EXIT_RISCV_SBI 35
273
274/* For KVM_EXIT_INTERNAL_ERROR */
275/* Emulate instruction failed. */
276#define KVM_INTERNAL_ERROR_EMULATION 1
277/* Encounter unexpected simultaneous exceptions. */
278#define KVM_INTERNAL_ERROR_SIMUL_EX 2
279/* Encounter unexpected vm-exit due to delivery event. */
280#define KVM_INTERNAL_ERROR_DELIVERY_EV 3
281/* Encounter unexpected vm-exit reason */
282#define KVM_INTERNAL_ERROR_UNEXPECTED_EXIT_REASON 4
283
284/* Flags that describe what fields in emulation_failure hold valid data. */
285#define KVM_INTERNAL_ERROR_EMULATION_FLAG_INSTRUCTION_BYTES (1ULL << 0)
286
287/* for KVM_RUN, returned by mmap(vcpu_fd, offset=0) */
288struct kvm_run {
289 /* in */
290 __u8 request_interrupt_window;
291 __u8 immediate_exit;
292 __u8 padding1[6];
293
294 /* out */
295 __u32 exit_reason;
296 __u8 ready_for_interrupt_injection;
297 __u8 if_flag;
298 __u16 flags;
299
300 /* in (pre_kvm_run), out (post_kvm_run) */
301 __u64 cr8;
302 __u64 apic_base;
303
304#ifdef __KVM_S390
305 /* the processor status word for s390 */
306 __u64 psw_mask; /* psw upper half */
307 __u64 psw_addr; /* psw lower half */
308#endif
309 union {
310 /* KVM_EXIT_UNKNOWN */
311 struct {
312 __u64 hardware_exit_reason;
313 } hw;
314 /* KVM_EXIT_FAIL_ENTRY */
315 struct {
316 __u64 hardware_entry_failure_reason;
317 __u32 cpu;
318 } fail_entry;
319 /* KVM_EXIT_EXCEPTION */
320 struct {
321 __u32 exception;
322 __u32 error_code;
323 } ex;
324 /* KVM_EXIT_IO */
325 struct {
326#define KVM_EXIT_IO_IN 0
327#define KVM_EXIT_IO_OUT 1
328 __u8 direction;
329 __u8 size; /* bytes */
330 __u16 port;
331 __u32 count;
332 __u64 data_offset; /* relative to kvm_run start */
333 } io;
334 /* KVM_EXIT_DEBUG */
335 struct {
336 struct kvm_debug_exit_arch arch;
337 } debug;
338 /* KVM_EXIT_MMIO */
339 struct {
340 __u64 phys_addr;
341 __u8 data[8];
342 __u32 len;
343 __u8 is_write;
344 } mmio;
345 /* KVM_EXIT_HYPERCALL */
346 struct {
347 __u64 nr;
348 __u64 args[6];
349 __u64 ret;
350 __u32 longmode;
351 __u32 pad;
352 } hypercall;
353 /* KVM_EXIT_TPR_ACCESS */
354 struct {
355 __u64 rip;
356 __u32 is_write;
357 __u32 pad;
358 } tpr_access;
359 /* KVM_EXIT_S390_SIEIC */
360 struct {
361 __u8 icptcode;
362 __u16 ipa;
363 __u32 ipb;
364 } s390_sieic;
365 /* KVM_EXIT_S390_RESET */
366#define KVM_S390_RESET_POR 1
367#define KVM_S390_RESET_CLEAR 2
368#define KVM_S390_RESET_SUBSYSTEM 4
369#define KVM_S390_RESET_CPU_INIT 8
370#define KVM_S390_RESET_IPL 16
371 __u64 s390_reset_flags;
372 /* KVM_EXIT_S390_UCONTROL */
373 struct {
374 __u64 trans_exc_code;
375 __u32 pgm_code;
376 } s390_ucontrol;
377 /* KVM_EXIT_DCR (deprecated) */
378 struct {
379 __u32 dcrn;
380 __u32 data;
381 __u8 is_write;
382 } dcr;
383 /* KVM_EXIT_INTERNAL_ERROR */
384 struct {
385 __u32 suberror;
386 /* Available with KVM_CAP_INTERNAL_ERROR_DATA: */
387 __u32 ndata;
388 __u64 data[16];
389 } internal;
390 /*
391 * KVM_INTERNAL_ERROR_EMULATION
392 *
393 * "struct emulation_failure" is an overlay of "struct internal"
394 * that is used for the KVM_INTERNAL_ERROR_EMULATION sub-type of
395 * KVM_EXIT_INTERNAL_ERROR. Note, unlike other internal error
396 * sub-types, this struct is ABI! It also needs to be backwards
397 * compatible with "struct internal". Take special care that
398 * "ndata" is correct, that new fields are enumerated in "flags",
399 * and that each flag enumerates fields that are 64-bit aligned
400 * and sized (so that ndata+internal.data[] is valid/accurate).
401 *
402 * Space beyond the defined fields may be used to store arbitrary
403 * debug information relating to the emulation failure. It is
404 * accounted for in "ndata" but the format is unspecified and is
405 * not represented in "flags". Any such information is *not* ABI!
406 */
407 struct {
408 __u32 suberror;
409 __u32 ndata;
410 __u64 flags;
411 union {
412 struct {
413 __u8 insn_size;
414 __u8 insn_bytes[15];
415 };
416 };
417 /* Arbitrary debug data may follow. */
418 } emulation_failure;
419 /* KVM_EXIT_OSI */
420 struct {
421 __u64 gprs[32];
422 } osi;
423 /* KVM_EXIT_PAPR_HCALL */
424 struct {
425 __u64 nr;
426 __u64 ret;
427 __u64 args[9];
428 } papr_hcall;
429 /* KVM_EXIT_S390_TSCH */
430 struct {
431 __u16 subchannel_id;
432 __u16 subchannel_nr;
433 __u32 io_int_parm;
434 __u32 io_int_word;
435 __u32 ipb;
436 __u8 dequeued;
437 } s390_tsch;
438 /* KVM_EXIT_EPR */
439 struct {
440 __u32 epr;
441 } epr;
442 /* KVM_EXIT_SYSTEM_EVENT */
443 struct {
444#define KVM_SYSTEM_EVENT_SHUTDOWN 1
445#define KVM_SYSTEM_EVENT_RESET 2
446#define KVM_SYSTEM_EVENT_CRASH 3
447 __u32 type;
448 __u64 flags;
449 } system_event;
450 /* KVM_EXIT_S390_STSI */
451 struct {
452 __u64 addr;
453 __u8 ar;
454 __u8 reserved;
455 __u8 fc;
456 __u8 sel1;
457 __u16 sel2;
458 } s390_stsi;
459 /* KVM_EXIT_IOAPIC_EOI */
460 struct {
461 __u8 vector;
462 } eoi;
463 /* KVM_EXIT_HYPERV */
464 struct kvm_hyperv_exit hyperv;
465 /* KVM_EXIT_ARM_NISV */
466 struct {
467 __u64 esr_iss;
468 __u64 fault_ipa;
469 } arm_nisv;
470 /* KVM_EXIT_X86_RDMSR / KVM_EXIT_X86_WRMSR */
471 struct {
472 __u8 error; /* user -> kernel */
473 __u8 pad[7];
474#define KVM_MSR_EXIT_REASON_INVAL (1 << 0)
475#define KVM_MSR_EXIT_REASON_UNKNOWN (1 << 1)
476#define KVM_MSR_EXIT_REASON_FILTER (1 << 2)
477 __u32 reason; /* kernel -> user */
478 __u32 index; /* kernel -> user */
479 __u64 data; /* kernel <-> user */
480 } msr;
481 /* KVM_EXIT_XEN */
482 struct kvm_xen_exit xen;
483 /* KVM_EXIT_RISCV_SBI */
484 struct {
485 unsigned long extension_id;
486 unsigned long function_id;
487 unsigned long args[6];
488 unsigned long ret[2];
489 } riscv_sbi;
490 /* Fix the size of the union. */
491 char padding[256];
492 };
493
494 /* 2048 is the size of the char array used to bound/pad the size
495 * of the union that holds sync regs.
496 */
497 #define SYNC_REGS_SIZE_BYTES 2048
498 /*
499 * shared registers between kvm and userspace.
500 * kvm_valid_regs specifies the register classes set by the host
501 * kvm_dirty_regs specified the register classes dirtied by userspace
502 * struct kvm_sync_regs is architecture specific, as well as the
503 * bits for kvm_valid_regs and kvm_dirty_regs
504 */
505 __u64 kvm_valid_regs;
506 __u64 kvm_dirty_regs;
507 union {
508 struct kvm_sync_regs regs;
509 char padding[SYNC_REGS_SIZE_BYTES];
510 } s;
511};
512
513/* for KVM_REGISTER_COALESCED_MMIO / KVM_UNREGISTER_COALESCED_MMIO */
514
515struct kvm_coalesced_mmio_zone {
516 __u64 addr;
517 __u32 size;
518 union {
519 __u32 pad;
520 __u32 pio;
521 };
522};
523
524struct kvm_coalesced_mmio {
525 __u64 phys_addr;
526 __u32 len;
527 union {
528 __u32 pad;
529 __u32 pio;
530 };
531 __u8 data[8];
532};
533
534struct kvm_coalesced_mmio_ring {
535 __u32 first, last;
536 struct kvm_coalesced_mmio coalesced_mmio[0];
537};
538
539#define KVM_COALESCED_MMIO_MAX \
540 ((PAGE_SIZE - sizeof(struct kvm_coalesced_mmio_ring)) / \
541 sizeof(struct kvm_coalesced_mmio))
542
543/* for KVM_TRANSLATE */
544struct kvm_translation {
545 /* in */
546 __u64 linear_address;
547
548 /* out */
549 __u64 physical_address;
550 __u8 valid;
551 __u8 writeable;
552 __u8 usermode;
553 __u8 pad[5];
554};
555
556/* for KVM_S390_MEM_OP */
557struct kvm_s390_mem_op {
558 /* in */
559 __u64 gaddr; /* the guest address */
560 __u64 flags; /* flags */
561 __u32 size; /* amount of bytes */
562 __u32 op; /* type of operation */
563 __u64 buf; /* buffer in userspace */
564 union {
565 __u8 ar; /* the access register number */
566 __u32 sida_offset; /* offset into the sida */
567 __u8 reserved[32]; /* should be set to 0 */
568 };
569};
570/* types for kvm_s390_mem_op->op */
571#define KVM_S390_MEMOP_LOGICAL_READ 0
572#define KVM_S390_MEMOP_LOGICAL_WRITE 1
573#define KVM_S390_MEMOP_SIDA_READ 2
574#define KVM_S390_MEMOP_SIDA_WRITE 3
575/* flags for kvm_s390_mem_op->flags */
576#define KVM_S390_MEMOP_F_CHECK_ONLY (1ULL << 0)
577#define KVM_S390_MEMOP_F_INJECT_EXCEPTION (1ULL << 1)
578
579/* for KVM_INTERRUPT */
580struct kvm_interrupt {
581 /* in */
582 __u32 irq;
583};
584
585/* for KVM_GET_DIRTY_LOG */
586struct kvm_dirty_log {
587 __u32 slot;
588 __u32 padding1;
589 union {
590 void __user *dirty_bitmap; /* one bit per page */
591 __u64 padding2;
592 };
593};
594
595/* for KVM_CLEAR_DIRTY_LOG */
596struct kvm_clear_dirty_log {
597 __u32 slot;
598 __u32 num_pages;
599 __u64 first_page;
600 union {
601 void __user *dirty_bitmap; /* one bit per page */
602 __u64 padding2;
603 };
604};
605
606/* for KVM_SET_SIGNAL_MASK */
607struct kvm_signal_mask {
608 __u32 len;
609 __u8 sigset[0];
610};
611
612/* for KVM_TPR_ACCESS_REPORTING */
613struct kvm_tpr_access_ctl {
614 __u32 enabled;
615 __u32 flags;
616 __u32 reserved[8];
617};
618
619/* for KVM_SET_VAPIC_ADDR */
620struct kvm_vapic_addr {
621 __u64 vapic_addr;
622};
623
624/* for KVM_SET_MP_STATE */
625
626/* not all states are valid on all architectures */
627#define KVM_MP_STATE_RUNNABLE 0
628#define KVM_MP_STATE_UNINITIALIZED 1
629#define KVM_MP_STATE_INIT_RECEIVED 2
630#define KVM_MP_STATE_HALTED 3
631#define KVM_MP_STATE_SIPI_RECEIVED 4
632#define KVM_MP_STATE_STOPPED 5
633#define KVM_MP_STATE_CHECK_STOP 6
634#define KVM_MP_STATE_OPERATING 7
635#define KVM_MP_STATE_LOAD 8
636#define KVM_MP_STATE_AP_RESET_HOLD 9
637
638struct kvm_mp_state {
639 __u32 mp_state;
640};
641
642struct kvm_s390_psw {
643 __u64 mask;
644 __u64 addr;
645};
646
647/* valid values for type in kvm_s390_interrupt */
648#define KVM_S390_SIGP_STOP 0xfffe0000u
649#define KVM_S390_PROGRAM_INT 0xfffe0001u
650#define KVM_S390_SIGP_SET_PREFIX 0xfffe0002u
651#define KVM_S390_RESTART 0xfffe0003u
652#define KVM_S390_INT_PFAULT_INIT 0xfffe0004u
653#define KVM_S390_INT_PFAULT_DONE 0xfffe0005u
654#define KVM_S390_MCHK 0xfffe1000u
655#define KVM_S390_INT_CLOCK_COMP 0xffff1004u
656#define KVM_S390_INT_CPU_TIMER 0xffff1005u
657#define KVM_S390_INT_VIRTIO 0xffff2603u
658#define KVM_S390_INT_SERVICE 0xffff2401u
659#define KVM_S390_INT_EMERGENCY 0xffff1201u
660#define KVM_S390_INT_EXTERNAL_CALL 0xffff1202u
661/* Anything below 0xfffe0000u is taken by INT_IO */
662#define KVM_S390_INT_IO(ai,cssid,ssid,schid) \
663 (((schid)) | \
664 ((ssid) << 16) | \
665 ((cssid) << 18) | \
666 ((ai) << 26))
667#define KVM_S390_INT_IO_MIN 0x00000000u
668#define KVM_S390_INT_IO_MAX 0xfffdffffu
669#define KVM_S390_INT_IO_AI_MASK 0x04000000u
670
671
672struct kvm_s390_interrupt {
673 __u32 type;
674 __u32 parm;
675 __u64 parm64;
676};
677
678struct kvm_s390_io_info {
679 __u16 subchannel_id;
680 __u16 subchannel_nr;
681 __u32 io_int_parm;
682 __u32 io_int_word;
683};
684
685struct kvm_s390_ext_info {
686 __u32 ext_params;
687 __u32 pad;
688 __u64 ext_params2;
689};
690
691struct kvm_s390_pgm_info {
692 __u64 trans_exc_code;
693 __u64 mon_code;
694 __u64 per_address;
695 __u32 data_exc_code;
696 __u16 code;
697 __u16 mon_class_nr;
698 __u8 per_code;
699 __u8 per_atmid;
700 __u8 exc_access_id;
701 __u8 per_access_id;
702 __u8 op_access_id;
703#define KVM_S390_PGM_FLAGS_ILC_VALID 0x01
704#define KVM_S390_PGM_FLAGS_ILC_0 0x02
705#define KVM_S390_PGM_FLAGS_ILC_1 0x04
706#define KVM_S390_PGM_FLAGS_ILC_MASK 0x06
707#define KVM_S390_PGM_FLAGS_NO_REWIND 0x08
708 __u8 flags;
709 __u8 pad[2];
710};
711
712struct kvm_s390_prefix_info {
713 __u32 address;
714};
715
716struct kvm_s390_extcall_info {
717 __u16 code;
718};
719
720struct kvm_s390_emerg_info {
721 __u16 code;
722};
723
724#define KVM_S390_STOP_FLAG_STORE_STATUS 0x01
725struct kvm_s390_stop_info {
726 __u32 flags;
727};
728
729struct kvm_s390_mchk_info {
730 __u64 cr14;
731 __u64 mcic;
732 __u64 failing_storage_address;
733 __u32 ext_damage_code;
734 __u32 pad;
735 __u8 fixed_logout[16];
736};
737
738struct kvm_s390_irq {
739 __u64 type;
740 union {
741 struct kvm_s390_io_info io;
742 struct kvm_s390_ext_info ext;
743 struct kvm_s390_pgm_info pgm;
744 struct kvm_s390_emerg_info emerg;
745 struct kvm_s390_extcall_info extcall;
746 struct kvm_s390_prefix_info prefix;
747 struct kvm_s390_stop_info stop;
748 struct kvm_s390_mchk_info mchk;
749 char reserved[64];
750 } u;
751};
752
753struct kvm_s390_irq_state {
754 __u64 buf;
755 __u32 flags; /* will stay unused for compatibility reasons */
756 __u32 len;
757 __u32 reserved[4]; /* will stay unused for compatibility reasons */
758};
759
760/* for KVM_SET_GUEST_DEBUG */
761
762#define KVM_GUESTDBG_ENABLE 0x00000001
763#define KVM_GUESTDBG_SINGLESTEP 0x00000002
764
765struct kvm_guest_debug {
766 __u32 control;
767 __u32 pad;
768 struct kvm_guest_debug_arch arch;
769};
770
771enum {
772 kvm_ioeventfd_flag_nr_datamatch,
773 kvm_ioeventfd_flag_nr_pio,
774 kvm_ioeventfd_flag_nr_deassign,
775 kvm_ioeventfd_flag_nr_virtio_ccw_notify,
776 kvm_ioeventfd_flag_nr_fast_mmio,
777 kvm_ioeventfd_flag_nr_max,
778};
779
780#define KVM_IOEVENTFD_FLAG_DATAMATCH (1 << kvm_ioeventfd_flag_nr_datamatch)
781#define KVM_IOEVENTFD_FLAG_PIO (1 << kvm_ioeventfd_flag_nr_pio)
782#define KVM_IOEVENTFD_FLAG_DEASSIGN (1 << kvm_ioeventfd_flag_nr_deassign)
783#define KVM_IOEVENTFD_FLAG_VIRTIO_CCW_NOTIFY \
784 (1 << kvm_ioeventfd_flag_nr_virtio_ccw_notify)
785
786#define KVM_IOEVENTFD_VALID_FLAG_MASK ((1 << kvm_ioeventfd_flag_nr_max) - 1)
787
788struct kvm_ioeventfd {
789 __u64 datamatch;
790 __u64 addr; /* legal pio/mmio address */
791 __u32 len; /* 1, 2, 4, or 8 bytes; or 0 to ignore length */
792 __s32 fd;
793 __u32 flags;
794 __u8 pad[36];
795};
796
797#define KVM_X86_DISABLE_EXITS_MWAIT (1 << 0)
798#define KVM_X86_DISABLE_EXITS_HLT (1 << 1)
799#define KVM_X86_DISABLE_EXITS_PAUSE (1 << 2)
800#define KVM_X86_DISABLE_EXITS_CSTATE (1 << 3)
801#define KVM_X86_DISABLE_VALID_EXITS (KVM_X86_DISABLE_EXITS_MWAIT | \
802 KVM_X86_DISABLE_EXITS_HLT | \
803 KVM_X86_DISABLE_EXITS_PAUSE | \
804 KVM_X86_DISABLE_EXITS_CSTATE)
805
806/* for KVM_ENABLE_CAP */
807struct kvm_enable_cap {
808 /* in */
809 __u32 cap;
810 __u32 flags;
811 __u64 args[4];
812 __u8 pad[64];
813};
814
815/* for KVM_PPC_GET_PVINFO */
816
817#define KVM_PPC_PVINFO_FLAGS_EV_IDLE (1<<0)
818
819struct kvm_ppc_pvinfo {
820 /* out */
821 __u32 flags;
822 __u32 hcall[4];
823 __u8 pad[108];
824};
825
826/* for KVM_PPC_GET_SMMU_INFO */
827#define KVM_PPC_PAGE_SIZES_MAX_SZ 8
828
829struct kvm_ppc_one_page_size {
830 __u32 page_shift; /* Page shift (or 0) */
831 __u32 pte_enc; /* Encoding in the HPTE (>>12) */
832};
833
834struct kvm_ppc_one_seg_page_size {
835 __u32 page_shift; /* Base page shift of segment (or 0) */
836 __u32 slb_enc; /* SLB encoding for BookS */
837 struct kvm_ppc_one_page_size enc[KVM_PPC_PAGE_SIZES_MAX_SZ];
838};
839
840#define KVM_PPC_PAGE_SIZES_REAL 0x00000001
841#define KVM_PPC_1T_SEGMENTS 0x00000002
842#define KVM_PPC_NO_HASH 0x00000004
843
844struct kvm_ppc_smmu_info {
845 __u64 flags;
846 __u32 slb_size;
847 __u16 data_keys; /* # storage keys supported for data */
848 __u16 instr_keys; /* # storage keys supported for instructions */
849 struct kvm_ppc_one_seg_page_size sps[KVM_PPC_PAGE_SIZES_MAX_SZ];
850};
851
852/* for KVM_PPC_RESIZE_HPT_{PREPARE,COMMIT} */
853struct kvm_ppc_resize_hpt {
854 __u64 flags;
855 __u32 shift;
856 __u32 pad;
857};
858
859#define KVMIO 0xAE
860
861/* machine type bits, to be used as argument to KVM_CREATE_VM */
862#define KVM_VM_S390_UCONTROL 1
863
864/* on ppc, 0 indicate default, 1 should force HV and 2 PR */
865#define KVM_VM_PPC_HV 1
866#define KVM_VM_PPC_PR 2
867
868/* on MIPS, 0 indicates auto, 1 forces VZ ASE, 2 forces trap & emulate */
869#define KVM_VM_MIPS_AUTO 0
870#define KVM_VM_MIPS_VZ 1
871#define KVM_VM_MIPS_TE 2
872
873#define KVM_S390_SIE_PAGE_OFFSET 1
874
875/*
876 * On arm64, machine type can be used to request the physical
877 * address size for the VM. Bits[7-0] are reserved for the guest
878 * PA size shift (i.e, log2(PA_Size)). For backward compatibility,
879 * value 0 implies the default IPA size, 40bits.
880 */
881#define KVM_VM_TYPE_ARM_IPA_SIZE_MASK 0xffULL
882#define KVM_VM_TYPE_ARM_IPA_SIZE(x) \
883 ((x) & KVM_VM_TYPE_ARM_IPA_SIZE_MASK)
884/*
885 * ioctls for /dev/kvm fds:
886 */
887#define KVM_GET_API_VERSION _IO(KVMIO, 0x00)
888#define KVM_CREATE_VM _IO(KVMIO, 0x01) /* returns a VM fd */
889#define KVM_GET_MSR_INDEX_LIST _IOWR(KVMIO, 0x02, struct kvm_msr_list)
890
891#define KVM_S390_ENABLE_SIE _IO(KVMIO, 0x06)
892/*
893 * Check if a kvm extension is available. Argument is extension number,
894 * return is 1 (yes) or 0 (no, sorry).
895 */
896#define KVM_CHECK_EXTENSION _IO(KVMIO, 0x03)
897/*
898 * Get size for mmap(vcpu_fd)
899 */
900#define KVM_GET_VCPU_MMAP_SIZE _IO(KVMIO, 0x04) /* in bytes */
901#define KVM_GET_SUPPORTED_CPUID _IOWR(KVMIO, 0x05, struct kvm_cpuid2)
902#define KVM_TRACE_ENABLE __KVM_DEPRECATED_MAIN_W_0x06
903#define KVM_TRACE_PAUSE __KVM_DEPRECATED_MAIN_0x07
904#define KVM_TRACE_DISABLE __KVM_DEPRECATED_MAIN_0x08
905#define KVM_GET_EMULATED_CPUID _IOWR(KVMIO, 0x09, struct kvm_cpuid2)
906#define KVM_GET_MSR_FEATURE_INDEX_LIST _IOWR(KVMIO, 0x0a, struct kvm_msr_list)
907
908/*
909 * Extension capability list.
910 */
911#define KVM_CAP_IRQCHIP 0
912#define KVM_CAP_HLT 1
913#define KVM_CAP_MMU_SHADOW_CACHE_CONTROL 2
914#define KVM_CAP_USER_MEMORY 3
915#define KVM_CAP_SET_TSS_ADDR 4
916#define KVM_CAP_VAPIC 6
917#define KVM_CAP_EXT_CPUID 7
918#define KVM_CAP_CLOCKSOURCE 8
919#define KVM_CAP_NR_VCPUS 9 /* returns recommended max vcpus per vm */
920#define KVM_CAP_NR_MEMSLOTS 10 /* returns max memory slots per vm */
921#define KVM_CAP_PIT 11
922#define KVM_CAP_NOP_IO_DELAY 12
923#define KVM_CAP_PV_MMU 13
924#define KVM_CAP_MP_STATE 14
925#define KVM_CAP_COALESCED_MMIO 15
926#define KVM_CAP_SYNC_MMU 16 /* Changes to host mmap are reflected in guest */
927#define KVM_CAP_IOMMU 18
928/* Bug in KVM_SET_USER_MEMORY_REGION fixed: */
929#define KVM_CAP_DESTROY_MEMORY_REGION_WORKS 21
930#define KVM_CAP_USER_NMI 22
931#ifdef __KVM_HAVE_GUEST_DEBUG
932#define KVM_CAP_SET_GUEST_DEBUG 23
933#endif
934#ifdef __KVM_HAVE_PIT
935#define KVM_CAP_REINJECT_CONTROL 24
936#endif
937#define KVM_CAP_IRQ_ROUTING 25
938#define KVM_CAP_IRQ_INJECT_STATUS 26
939#define KVM_CAP_ASSIGN_DEV_IRQ 29
940/* Another bug in KVM_SET_USER_MEMORY_REGION fixed: */
941#define KVM_CAP_JOIN_MEMORY_REGIONS_WORKS 30
942#ifdef __KVM_HAVE_MCE
943#define KVM_CAP_MCE 31
944#endif
945#define KVM_CAP_IRQFD 32
946#ifdef __KVM_HAVE_PIT
947#define KVM_CAP_PIT2 33
948#endif
949#define KVM_CAP_SET_BOOT_CPU_ID 34
950#ifdef __KVM_HAVE_PIT_STATE2
951#define KVM_CAP_PIT_STATE2 35
952#endif
953#define KVM_CAP_IOEVENTFD 36
954#define KVM_CAP_SET_IDENTITY_MAP_ADDR 37
955#ifdef __KVM_HAVE_XEN_HVM
956#define KVM_CAP_XEN_HVM 38
957#endif
958#define KVM_CAP_ADJUST_CLOCK 39
959#define KVM_CAP_INTERNAL_ERROR_DATA 40
960#ifdef __KVM_HAVE_VCPU_EVENTS
961#define KVM_CAP_VCPU_EVENTS 41
962#endif
963#define KVM_CAP_S390_PSW 42
964#define KVM_CAP_PPC_SEGSTATE 43
965#define KVM_CAP_HYPERV 44
966#define KVM_CAP_HYPERV_VAPIC 45
967#define KVM_CAP_HYPERV_SPIN 46
968#define KVM_CAP_PCI_SEGMENT 47
969#define KVM_CAP_PPC_PAIRED_SINGLES 48
970#define KVM_CAP_INTR_SHADOW 49
971#ifdef __KVM_HAVE_DEBUGREGS
972#define KVM_CAP_DEBUGREGS 50
973#endif
974#define KVM_CAP_X86_ROBUST_SINGLESTEP 51
975#define KVM_CAP_PPC_OSI 52
976#define KVM_CAP_PPC_UNSET_IRQ 53
977#define KVM_CAP_ENABLE_CAP 54
978#ifdef __KVM_HAVE_XSAVE
979#define KVM_CAP_XSAVE 55
980#endif
981#ifdef __KVM_HAVE_XCRS
982#define KVM_CAP_XCRS 56
983#endif
984#define KVM_CAP_PPC_GET_PVINFO 57
985#define KVM_CAP_PPC_IRQ_LEVEL 58
986#define KVM_CAP_ASYNC_PF 59
987#define KVM_CAP_TSC_CONTROL 60
988#define KVM_CAP_GET_TSC_KHZ 61
989#define KVM_CAP_PPC_BOOKE_SREGS 62
990#define KVM_CAP_SPAPR_TCE 63
991#define KVM_CAP_PPC_SMT 64
992#define KVM_CAP_PPC_RMA 65
993#define KVM_CAP_MAX_VCPUS 66 /* returns max vcpus per vm */
994#define KVM_CAP_PPC_HIOR 67
995#define KVM_CAP_PPC_PAPR 68
996#define KVM_CAP_SW_TLB 69
997#define KVM_CAP_ONE_REG 70
998#define KVM_CAP_S390_GMAP 71
999#define KVM_CAP_TSC_DEADLINE_TIMER 72
1000#define KVM_CAP_S390_UCONTROL 73
1001#define KVM_CAP_SYNC_REGS 74
1002#define KVM_CAP_PCI_2_3 75
1003#define KVM_CAP_KVMCLOCK_CTRL 76
1004#define KVM_CAP_SIGNAL_MSI 77
1005#define KVM_CAP_PPC_GET_SMMU_INFO 78
1006#define KVM_CAP_S390_COW 79
1007#define KVM_CAP_PPC_ALLOC_HTAB 80
1008#define KVM_CAP_READONLY_MEM 81
1009#define KVM_CAP_IRQFD_RESAMPLE 82
1010#define KVM_CAP_PPC_BOOKE_WATCHDOG 83
1011#define KVM_CAP_PPC_HTAB_FD 84
1012#define KVM_CAP_S390_CSS_SUPPORT 85
1013#define KVM_CAP_PPC_EPR 86
1014#define KVM_CAP_ARM_PSCI 87
1015#define KVM_CAP_ARM_SET_DEVICE_ADDR 88
1016#define KVM_CAP_DEVICE_CTRL 89
1017#define KVM_CAP_IRQ_MPIC 90
1018#define KVM_CAP_PPC_RTAS 91
1019#define KVM_CAP_IRQ_XICS 92
1020#define KVM_CAP_ARM_EL1_32BIT 93
1021#define KVM_CAP_SPAPR_MULTITCE 94
1022#define KVM_CAP_EXT_EMUL_CPUID 95
1023#define KVM_CAP_HYPERV_TIME 96
1024#define KVM_CAP_IOAPIC_POLARITY_IGNORED 97
1025#define KVM_CAP_ENABLE_CAP_VM 98
1026#define KVM_CAP_S390_IRQCHIP 99
1027#define KVM_CAP_IOEVENTFD_NO_LENGTH 100
1028#define KVM_CAP_VM_ATTRIBUTES 101
1029#define KVM_CAP_ARM_PSCI_0_2 102
1030#define KVM_CAP_PPC_FIXUP_HCALL 103
1031#define KVM_CAP_PPC_ENABLE_HCALL 104
1032#define KVM_CAP_CHECK_EXTENSION_VM 105
1033#define KVM_CAP_S390_USER_SIGP 106
1034#define KVM_CAP_S390_VECTOR_REGISTERS 107
1035#define KVM_CAP_S390_MEM_OP 108
1036#define KVM_CAP_S390_USER_STSI 109
1037#define KVM_CAP_S390_SKEYS 110
1038#define KVM_CAP_MIPS_FPU 111
1039#define KVM_CAP_MIPS_MSA 112
1040#define KVM_CAP_S390_INJECT_IRQ 113
1041#define KVM_CAP_S390_IRQ_STATE 114
1042#define KVM_CAP_PPC_HWRNG 115
1043#define KVM_CAP_DISABLE_QUIRKS 116
1044#define KVM_CAP_X86_SMM 117
1045#define KVM_CAP_MULTI_ADDRESS_SPACE 118
1046#define KVM_CAP_GUEST_DEBUG_HW_BPS 119
1047#define KVM_CAP_GUEST_DEBUG_HW_WPS 120
1048#define KVM_CAP_SPLIT_IRQCHIP 121
1049#define KVM_CAP_IOEVENTFD_ANY_LENGTH 122
1050#define KVM_CAP_HYPERV_SYNIC 123
1051#define KVM_CAP_S390_RI 124
1052#define KVM_CAP_SPAPR_TCE_64 125
1053#define KVM_CAP_ARM_PMU_V3 126
1054#define KVM_CAP_VCPU_ATTRIBUTES 127
1055#define KVM_CAP_MAX_VCPU_ID 128
1056#define KVM_CAP_X2APIC_API 129
1057#define KVM_CAP_S390_USER_INSTR0 130
1058#define KVM_CAP_MSI_DEVID 131
1059#define KVM_CAP_PPC_HTM 132
1060#define KVM_CAP_SPAPR_RESIZE_HPT 133
1061#define KVM_CAP_PPC_MMU_RADIX 134
1062#define KVM_CAP_PPC_MMU_HASH_V3 135
1063#define KVM_CAP_IMMEDIATE_EXIT 136
1064#define KVM_CAP_MIPS_VZ 137
1065#define KVM_CAP_MIPS_TE 138
1066#define KVM_CAP_MIPS_64BIT 139
1067#define KVM_CAP_S390_GS 140
1068#define KVM_CAP_S390_AIS 141
1069#define KVM_CAP_SPAPR_TCE_VFIO 142
1070#define KVM_CAP_X86_DISABLE_EXITS 143
1071#define KVM_CAP_ARM_USER_IRQ 144
1072#define KVM_CAP_S390_CMMA_MIGRATION 145
1073#define KVM_CAP_PPC_FWNMI 146
1074#define KVM_CAP_PPC_SMT_POSSIBLE 147
1075#define KVM_CAP_HYPERV_SYNIC2 148
1076#define KVM_CAP_HYPERV_VP_INDEX 149
1077#define KVM_CAP_S390_AIS_MIGRATION 150
1078#define KVM_CAP_PPC_GET_CPU_CHAR 151
1079#define KVM_CAP_S390_BPB 152
1080#define KVM_CAP_GET_MSR_FEATURES 153
1081#define KVM_CAP_HYPERV_EVENTFD 154
1082#define KVM_CAP_HYPERV_TLBFLUSH 155
1083#define KVM_CAP_S390_HPAGE_1M 156
1084#define KVM_CAP_NESTED_STATE 157
1085#define KVM_CAP_ARM_INJECT_SERROR_ESR 158
1086#define KVM_CAP_MSR_PLATFORM_INFO 159
1087#define KVM_CAP_PPC_NESTED_HV 160
1088#define KVM_CAP_HYPERV_SEND_IPI 161
1089#define KVM_CAP_COALESCED_PIO 162
1090#define KVM_CAP_HYPERV_ENLIGHTENED_VMCS 163
1091#define KVM_CAP_EXCEPTION_PAYLOAD 164
1092#define KVM_CAP_ARM_VM_IPA_SIZE 165
1093#define KVM_CAP_MANUAL_DIRTY_LOG_PROTECT 166 /* Obsolete */
1094#define KVM_CAP_HYPERV_CPUID 167
1095#define KVM_CAP_MANUAL_DIRTY_LOG_PROTECT2 168
1096#define KVM_CAP_PPC_IRQ_XIVE 169
1097#define KVM_CAP_ARM_SVE 170
1098#define KVM_CAP_ARM_PTRAUTH_ADDRESS 171
1099#define KVM_CAP_ARM_PTRAUTH_GENERIC 172
1100#define KVM_CAP_PMU_EVENT_FILTER 173
1101#define KVM_CAP_ARM_IRQ_LINE_LAYOUT_2 174
1102#define KVM_CAP_HYPERV_DIRECT_TLBFLUSH 175
1103#define KVM_CAP_PPC_GUEST_DEBUG_SSTEP 176
1104#define KVM_CAP_ARM_NISV_TO_USER 177
1105#define KVM_CAP_ARM_INJECT_EXT_DABT 178
1106#define KVM_CAP_S390_VCPU_RESETS 179
1107#define KVM_CAP_S390_PROTECTED 180
1108#define KVM_CAP_PPC_SECURE_GUEST 181
1109#define KVM_CAP_HALT_POLL 182
1110#define KVM_CAP_ASYNC_PF_INT 183
1111#define KVM_CAP_LAST_CPU 184
1112#define KVM_CAP_SMALLER_MAXPHYADDR 185
1113#define KVM_CAP_S390_DIAG318 186
1114#define KVM_CAP_STEAL_TIME 187
1115#define KVM_CAP_X86_USER_SPACE_MSR 188
1116#define KVM_CAP_X86_MSR_FILTER 189
1117#define KVM_CAP_ENFORCE_PV_FEATURE_CPUID 190
1118#define KVM_CAP_SYS_HYPERV_CPUID 191
1119#define KVM_CAP_DIRTY_LOG_RING 192
1120#define KVM_CAP_X86_BUS_LOCK_EXIT 193
1121#define KVM_CAP_PPC_DAWR1 194
1122#define KVM_CAP_SET_GUEST_DEBUG2 195
1123#define KVM_CAP_SGX_ATTRIBUTE 196
1124#define KVM_CAP_VM_COPY_ENC_CONTEXT_FROM 197
1125#define KVM_CAP_PTP_KVM 198
1126#define KVM_CAP_HYPERV_ENFORCE_CPUID 199
1127#define KVM_CAP_SREGS2 200
1128#define KVM_CAP_EXIT_HYPERCALL 201
1129#define KVM_CAP_PPC_RPT_INVALIDATE 202
1130#define KVM_CAP_BINARY_STATS_FD 203
1131#define KVM_CAP_EXIT_ON_EMULATION_FAILURE 204
1132#define KVM_CAP_ARM_MTE 205
1133#define KVM_CAP_VM_MOVE_ENC_CONTEXT_FROM 206
1134#define KVM_CAP_VM_GPA_BITS 207
1135#define KVM_CAP_XSAVE2 208
1136#define KVM_CAP_SYS_ATTRIBUTES 209
1137#define KVM_CAP_PPC_AIL_MODE_3 210
1138
1139#ifdef KVM_CAP_IRQ_ROUTING
1140
1141struct kvm_irq_routing_irqchip {
1142 __u32 irqchip;
1143 __u32 pin;
1144};
1145
1146struct kvm_irq_routing_msi {
1147 __u32 address_lo;
1148 __u32 address_hi;
1149 __u32 data;
1150 union {
1151 __u32 pad;
1152 __u32 devid;
1153 };
1154};
1155
1156struct kvm_irq_routing_s390_adapter {
1157 __u64 ind_addr;
1158 __u64 summary_addr;
1159 __u64 ind_offset;
1160 __u32 summary_offset;
1161 __u32 adapter_id;
1162};
1163
1164struct kvm_irq_routing_hv_sint {
1165 __u32 vcpu;
1166 __u32 sint;
1167};
1168
1169struct kvm_irq_routing_xen_evtchn {
1170 __u32 port;
1171 __u32 vcpu;
1172 __u32 priority;
1173};
1174
1175#define KVM_IRQ_ROUTING_XEN_EVTCHN_PRIO_2LEVEL ((__u32)(-1))
1176
1177/* gsi routing entry types */
1178#define KVM_IRQ_ROUTING_IRQCHIP 1
1179#define KVM_IRQ_ROUTING_MSI 2
1180#define KVM_IRQ_ROUTING_S390_ADAPTER 3
1181#define KVM_IRQ_ROUTING_HV_SINT 4
1182#define KVM_IRQ_ROUTING_XEN_EVTCHN 5
1183
1184struct kvm_irq_routing_entry {
1185 __u32 gsi;
1186 __u32 type;
1187 __u32 flags;
1188 __u32 pad;
1189 union {
1190 struct kvm_irq_routing_irqchip irqchip;
1191 struct kvm_irq_routing_msi msi;
1192 struct kvm_irq_routing_s390_adapter adapter;
1193 struct kvm_irq_routing_hv_sint hv_sint;
1194 struct kvm_irq_routing_xen_evtchn xen_evtchn;
1195 __u32 pad[8];
1196 } u;
1197};
1198
1199struct kvm_irq_routing {
1200 __u32 nr;
1201 __u32 flags;
1202 struct kvm_irq_routing_entry entries[0];
1203};
1204
1205#endif
1206
1207#ifdef KVM_CAP_MCE
1208/* x86 MCE */
1209struct kvm_x86_mce {
1210 __u64 status;
1211 __u64 addr;
1212 __u64 misc;
1213 __u64 mcg_status;
1214 __u8 bank;
1215 __u8 pad1[7];
1216 __u64 pad2[3];
1217};
1218#endif
1219
1220#ifdef KVM_CAP_XEN_HVM
1221#define KVM_XEN_HVM_CONFIG_HYPERCALL_MSR (1 << 0)
1222#define KVM_XEN_HVM_CONFIG_INTERCEPT_HCALL (1 << 1)
1223#define KVM_XEN_HVM_CONFIG_SHARED_INFO (1 << 2)
1224#define KVM_XEN_HVM_CONFIG_RUNSTATE (1 << 3)
1225#define KVM_XEN_HVM_CONFIG_EVTCHN_2LEVEL (1 << 4)
1226
1227struct kvm_xen_hvm_config {
1228 __u32 flags;
1229 __u32 msr;
1230 __u64 blob_addr_32;
1231 __u64 blob_addr_64;
1232 __u8 blob_size_32;
1233 __u8 blob_size_64;
1234 __u8 pad2[30];
1235};
1236#endif
1237
1238#define KVM_IRQFD_FLAG_DEASSIGN (1 << 0)
1239/*
1240 * Available with KVM_CAP_IRQFD_RESAMPLE
1241 *
1242 * KVM_IRQFD_FLAG_RESAMPLE indicates resamplefd is valid and specifies
1243 * the irqfd to operate in resampling mode for level triggered interrupt
1244 * emulation. See Documentation/virt/kvm/api.rst.
1245 */
1246#define KVM_IRQFD_FLAG_RESAMPLE (1 << 1)
1247
1248struct kvm_irqfd {
1249 __u32 fd;
1250 __u32 gsi;
1251 __u32 flags;
1252 __u32 resamplefd;
1253 __u8 pad[16];
1254};
1255
1256/* For KVM_CAP_ADJUST_CLOCK */
1257
1258/* Do not use 1, KVM_CHECK_EXTENSION returned it before we had flags. */
1259#define KVM_CLOCK_TSC_STABLE 2
1260#define KVM_CLOCK_REALTIME (1 << 2)
1261#define KVM_CLOCK_HOST_TSC (1 << 3)
1262
1263struct kvm_clock_data {
1264 __u64 clock;
1265 __u32 flags;
1266 __u32 pad0;
1267 __u64 realtime;
1268 __u64 host_tsc;
1269 __u32 pad[4];
1270};
1271
1272/* For KVM_CAP_SW_TLB */
1273
1274#define KVM_MMU_FSL_BOOKE_NOHV 0
1275#define KVM_MMU_FSL_BOOKE_HV 1
1276
1277struct kvm_config_tlb {
1278 __u64 params;
1279 __u64 array;
1280 __u32 mmu_type;
1281 __u32 array_len;
1282};
1283
1284struct kvm_dirty_tlb {
1285 __u64 bitmap;
1286 __u32 num_dirty;
1287};
1288
1289/* Available with KVM_CAP_ONE_REG */
1290
1291#define KVM_REG_ARCH_MASK 0xff00000000000000ULL
1292#define KVM_REG_GENERIC 0x0000000000000000ULL
1293
1294/*
1295 * Architecture specific registers are to be defined in arch headers and
1296 * ORed with the arch identifier.
1297 */
1298#define KVM_REG_PPC 0x1000000000000000ULL
1299#define KVM_REG_X86 0x2000000000000000ULL
1300#define KVM_REG_IA64 0x3000000000000000ULL
1301#define KVM_REG_ARM 0x4000000000000000ULL
1302#define KVM_REG_S390 0x5000000000000000ULL
1303#define KVM_REG_ARM64 0x6000000000000000ULL
1304#define KVM_REG_MIPS 0x7000000000000000ULL
1305#define KVM_REG_RISCV 0x8000000000000000ULL
1306
1307#define KVM_REG_SIZE_SHIFT 52
1308#define KVM_REG_SIZE_MASK 0x00f0000000000000ULL
1309#define KVM_REG_SIZE_U8 0x0000000000000000ULL
1310#define KVM_REG_SIZE_U16 0x0010000000000000ULL
1311#define KVM_REG_SIZE_U32 0x0020000000000000ULL
1312#define KVM_REG_SIZE_U64 0x0030000000000000ULL
1313#define KVM_REG_SIZE_U128 0x0040000000000000ULL
1314#define KVM_REG_SIZE_U256 0x0050000000000000ULL
1315#define KVM_REG_SIZE_U512 0x0060000000000000ULL
1316#define KVM_REG_SIZE_U1024 0x0070000000000000ULL
1317#define KVM_REG_SIZE_U2048 0x0080000000000000ULL
1318
1319struct kvm_reg_list {
1320 __u64 n; /* number of regs */
1321 __u64 reg[0];
1322};
1323
1324struct kvm_one_reg {
1325 __u64 id;
1326 __u64 addr;
1327};
1328
1329#define KVM_MSI_VALID_DEVID (1U << 0)
1330struct kvm_msi {
1331 __u32 address_lo;
1332 __u32 address_hi;
1333 __u32 data;
1334 __u32 flags;
1335 __u32 devid;
1336 __u8 pad[12];
1337};
1338
1339struct kvm_arm_device_addr {
1340 __u64 id;
1341 __u64 addr;
1342};
1343
1344/*
1345 * Device control API, available with KVM_CAP_DEVICE_CTRL
1346 */
1347#define KVM_CREATE_DEVICE_TEST 1
1348
1349struct kvm_create_device {
1350 __u32 type; /* in: KVM_DEV_TYPE_xxx */
1351 __u32 fd; /* out: device handle */
1352 __u32 flags; /* in: KVM_CREATE_DEVICE_xxx */
1353};
1354
1355struct kvm_device_attr {
1356 __u32 flags; /* no flags currently defined */
1357 __u32 group; /* device-defined */
1358 __u64 attr; /* group-defined */
1359 __u64 addr; /* userspace address of attr data */
1360};
1361
1362#define KVM_DEV_VFIO_GROUP 1
1363#define KVM_DEV_VFIO_GROUP_ADD 1
1364#define KVM_DEV_VFIO_GROUP_DEL 2
1365#define KVM_DEV_VFIO_GROUP_SET_SPAPR_TCE 3
1366
1367enum kvm_device_type {
1368 KVM_DEV_TYPE_FSL_MPIC_20 = 1,
1369#define KVM_DEV_TYPE_FSL_MPIC_20 KVM_DEV_TYPE_FSL_MPIC_20
1370 KVM_DEV_TYPE_FSL_MPIC_42,
1371#define KVM_DEV_TYPE_FSL_MPIC_42 KVM_DEV_TYPE_FSL_MPIC_42
1372 KVM_DEV_TYPE_XICS,
1373#define KVM_DEV_TYPE_XICS KVM_DEV_TYPE_XICS
1374 KVM_DEV_TYPE_VFIO,
1375#define KVM_DEV_TYPE_VFIO KVM_DEV_TYPE_VFIO
1376 KVM_DEV_TYPE_ARM_VGIC_V2,
1377#define KVM_DEV_TYPE_ARM_VGIC_V2 KVM_DEV_TYPE_ARM_VGIC_V2
1378 KVM_DEV_TYPE_FLIC,
1379#define KVM_DEV_TYPE_FLIC KVM_DEV_TYPE_FLIC
1380 KVM_DEV_TYPE_ARM_VGIC_V3,
1381#define KVM_DEV_TYPE_ARM_VGIC_V3 KVM_DEV_TYPE_ARM_VGIC_V3
1382 KVM_DEV_TYPE_ARM_VGIC_ITS,
1383#define KVM_DEV_TYPE_ARM_VGIC_ITS KVM_DEV_TYPE_ARM_VGIC_ITS
1384 KVM_DEV_TYPE_XIVE,
1385#define KVM_DEV_TYPE_XIVE KVM_DEV_TYPE_XIVE
1386 KVM_DEV_TYPE_ARM_PV_TIME,
1387#define KVM_DEV_TYPE_ARM_PV_TIME KVM_DEV_TYPE_ARM_PV_TIME
1388 KVM_DEV_TYPE_MAX,
1389};
1390
1391struct kvm_vfio_spapr_tce {
1392 __s32 groupfd;
1393 __s32 tablefd;
1394};
1395
1396/*
1397 * ioctls for VM fds
1398 */
1399#define KVM_SET_MEMORY_REGION _IOW(KVMIO, 0x40, struct kvm_memory_region)
1400/*
1401 * KVM_CREATE_VCPU receives as a parameter the vcpu slot, and returns
1402 * a vcpu fd.
1403 */
1404#define KVM_CREATE_VCPU _IO(KVMIO, 0x41)
1405#define KVM_GET_DIRTY_LOG _IOW(KVMIO, 0x42, struct kvm_dirty_log)
1406/* KVM_SET_MEMORY_ALIAS is obsolete: */
1407#define KVM_SET_MEMORY_ALIAS _IOW(KVMIO, 0x43, struct kvm_memory_alias)
1408#define KVM_SET_NR_MMU_PAGES _IO(KVMIO, 0x44)
1409#define KVM_GET_NR_MMU_PAGES _IO(KVMIO, 0x45)
1410#define KVM_SET_USER_MEMORY_REGION _IOW(KVMIO, 0x46, \
1411 struct kvm_userspace_memory_region)
1412#define KVM_SET_TSS_ADDR _IO(KVMIO, 0x47)
1413#define KVM_SET_IDENTITY_MAP_ADDR _IOW(KVMIO, 0x48, __u64)
1414
1415/* enable ucontrol for s390 */
1416struct kvm_s390_ucas_mapping {
1417 __u64 user_addr;
1418 __u64 vcpu_addr;
1419 __u64 length;
1420};
1421#define KVM_S390_UCAS_MAP _IOW(KVMIO, 0x50, struct kvm_s390_ucas_mapping)
1422#define KVM_S390_UCAS_UNMAP _IOW(KVMIO, 0x51, struct kvm_s390_ucas_mapping)
1423#define KVM_S390_VCPU_FAULT _IOW(KVMIO, 0x52, unsigned long)
1424
1425/* Device model IOC */
1426#define KVM_CREATE_IRQCHIP _IO(KVMIO, 0x60)
1427#define KVM_IRQ_LINE _IOW(KVMIO, 0x61, struct kvm_irq_level)
1428#define KVM_GET_IRQCHIP _IOWR(KVMIO, 0x62, struct kvm_irqchip)
1429#define KVM_SET_IRQCHIP _IOR(KVMIO, 0x63, struct kvm_irqchip)
1430#define KVM_CREATE_PIT _IO(KVMIO, 0x64)
1431#define KVM_GET_PIT _IOWR(KVMIO, 0x65, struct kvm_pit_state)
1432#define KVM_SET_PIT _IOR(KVMIO, 0x66, struct kvm_pit_state)
1433#define KVM_IRQ_LINE_STATUS _IOWR(KVMIO, 0x67, struct kvm_irq_level)
1434#define KVM_REGISTER_COALESCED_MMIO \
1435 _IOW(KVMIO, 0x67, struct kvm_coalesced_mmio_zone)
1436#define KVM_UNREGISTER_COALESCED_MMIO \
1437 _IOW(KVMIO, 0x68, struct kvm_coalesced_mmio_zone)
1438#define KVM_ASSIGN_PCI_DEVICE _IOR(KVMIO, 0x69, \
1439 struct kvm_assigned_pci_dev)
1440#define KVM_SET_GSI_ROUTING _IOW(KVMIO, 0x6a, struct kvm_irq_routing)
1441/* deprecated, replaced by KVM_ASSIGN_DEV_IRQ */
1442#define KVM_ASSIGN_IRQ __KVM_DEPRECATED_VM_R_0x70
1443#define KVM_ASSIGN_DEV_IRQ _IOW(KVMIO, 0x70, struct kvm_assigned_irq)
1444#define KVM_REINJECT_CONTROL _IO(KVMIO, 0x71)
1445#define KVM_DEASSIGN_PCI_DEVICE _IOW(KVMIO, 0x72, \
1446 struct kvm_assigned_pci_dev)
1447#define KVM_ASSIGN_SET_MSIX_NR _IOW(KVMIO, 0x73, \
1448 struct kvm_assigned_msix_nr)
1449#define KVM_ASSIGN_SET_MSIX_ENTRY _IOW(KVMIO, 0x74, \
1450 struct kvm_assigned_msix_entry)
1451#define KVM_DEASSIGN_DEV_IRQ _IOW(KVMIO, 0x75, struct kvm_assigned_irq)
1452#define KVM_IRQFD _IOW(KVMIO, 0x76, struct kvm_irqfd)
1453#define KVM_CREATE_PIT2 _IOW(KVMIO, 0x77, struct kvm_pit_config)
1454#define KVM_SET_BOOT_CPU_ID _IO(KVMIO, 0x78)
1455#define KVM_IOEVENTFD _IOW(KVMIO, 0x79, struct kvm_ioeventfd)
1456#define KVM_XEN_HVM_CONFIG _IOW(KVMIO, 0x7a, struct kvm_xen_hvm_config)
1457#define KVM_SET_CLOCK _IOW(KVMIO, 0x7b, struct kvm_clock_data)
1458#define KVM_GET_CLOCK _IOR(KVMIO, 0x7c, struct kvm_clock_data)
1459/* Available with KVM_CAP_PIT_STATE2 */
1460#define KVM_GET_PIT2 _IOR(KVMIO, 0x9f, struct kvm_pit_state2)
1461#define KVM_SET_PIT2 _IOW(KVMIO, 0xa0, struct kvm_pit_state2)
1462/* Available with KVM_CAP_PPC_GET_PVINFO */
1463#define KVM_PPC_GET_PVINFO _IOW(KVMIO, 0xa1, struct kvm_ppc_pvinfo)
1464/* Available with KVM_CAP_TSC_CONTROL */
1465#define KVM_SET_TSC_KHZ _IO(KVMIO, 0xa2)
1466#define KVM_GET_TSC_KHZ _IO(KVMIO, 0xa3)
1467/* Available with KVM_CAP_PCI_2_3 */
1468#define KVM_ASSIGN_SET_INTX_MASK _IOW(KVMIO, 0xa4, \
1469 struct kvm_assigned_pci_dev)
1470/* Available with KVM_CAP_SIGNAL_MSI */
1471#define KVM_SIGNAL_MSI _IOW(KVMIO, 0xa5, struct kvm_msi)
1472/* Available with KVM_CAP_PPC_GET_SMMU_INFO */
1473#define KVM_PPC_GET_SMMU_INFO _IOR(KVMIO, 0xa6, struct kvm_ppc_smmu_info)
1474/* Available with KVM_CAP_PPC_ALLOC_HTAB */
1475#define KVM_PPC_ALLOCATE_HTAB _IOWR(KVMIO, 0xa7, __u32)
1476#define KVM_CREATE_SPAPR_TCE _IOW(KVMIO, 0xa8, struct kvm_create_spapr_tce)
1477#define KVM_CREATE_SPAPR_TCE_64 _IOW(KVMIO, 0xa8, \
1478 struct kvm_create_spapr_tce_64)
1479/* Available with KVM_CAP_RMA */
1480#define KVM_ALLOCATE_RMA _IOR(KVMIO, 0xa9, struct kvm_allocate_rma)
1481/* Available with KVM_CAP_PPC_HTAB_FD */
1482#define KVM_PPC_GET_HTAB_FD _IOW(KVMIO, 0xaa, struct kvm_get_htab_fd)
1483/* Available with KVM_CAP_ARM_SET_DEVICE_ADDR */
1484#define KVM_ARM_SET_DEVICE_ADDR _IOW(KVMIO, 0xab, struct kvm_arm_device_addr)
1485/* Available with KVM_CAP_PPC_RTAS */
1486#define KVM_PPC_RTAS_DEFINE_TOKEN _IOW(KVMIO, 0xac, struct kvm_rtas_token_args)
1487/* Available with KVM_CAP_SPAPR_RESIZE_HPT */
1488#define KVM_PPC_RESIZE_HPT_PREPARE _IOR(KVMIO, 0xad, struct kvm_ppc_resize_hpt)
1489#define KVM_PPC_RESIZE_HPT_COMMIT _IOR(KVMIO, 0xae, struct kvm_ppc_resize_hpt)
1490/* Available with KVM_CAP_PPC_RADIX_MMU or KVM_CAP_PPC_HASH_MMU_V3 */
1491#define KVM_PPC_CONFIGURE_V3_MMU _IOW(KVMIO, 0xaf, struct kvm_ppc_mmuv3_cfg)
1492/* Available with KVM_CAP_PPC_RADIX_MMU */
1493#define KVM_PPC_GET_RMMU_INFO _IOW(KVMIO, 0xb0, struct kvm_ppc_rmmu_info)
1494/* Available with KVM_CAP_PPC_GET_CPU_CHAR */
1495#define KVM_PPC_GET_CPU_CHAR _IOR(KVMIO, 0xb1, struct kvm_ppc_cpu_char)
1496/* Available with KVM_CAP_PMU_EVENT_FILTER */
1497#define KVM_SET_PMU_EVENT_FILTER _IOW(KVMIO, 0xb2, struct kvm_pmu_event_filter)
1498#define KVM_PPC_SVM_OFF _IO(KVMIO, 0xb3)
1499#define KVM_ARM_MTE_COPY_TAGS _IOR(KVMIO, 0xb4, struct kvm_arm_copy_mte_tags)
1500
1501/* ioctl for vm fd */
1502#define KVM_CREATE_DEVICE _IOWR(KVMIO, 0xe0, struct kvm_create_device)
1503
1504/* ioctls for fds returned by KVM_CREATE_DEVICE */
1505#define KVM_SET_DEVICE_ATTR _IOW(KVMIO, 0xe1, struct kvm_device_attr)
1506#define KVM_GET_DEVICE_ATTR _IOW(KVMIO, 0xe2, struct kvm_device_attr)
1507#define KVM_HAS_DEVICE_ATTR _IOW(KVMIO, 0xe3, struct kvm_device_attr)
1508
1509/*
1510 * ioctls for vcpu fds
1511 */
1512#define KVM_RUN _IO(KVMIO, 0x80)
1513#define KVM_GET_REGS _IOR(KVMIO, 0x81, struct kvm_regs)
1514#define KVM_SET_REGS _IOW(KVMIO, 0x82, struct kvm_regs)
1515#define KVM_GET_SREGS _IOR(KVMIO, 0x83, struct kvm_sregs)
1516#define KVM_SET_SREGS _IOW(KVMIO, 0x84, struct kvm_sregs)
1517#define KVM_TRANSLATE _IOWR(KVMIO, 0x85, struct kvm_translation)
1518#define KVM_INTERRUPT _IOW(KVMIO, 0x86, struct kvm_interrupt)
1519/* KVM_DEBUG_GUEST is no longer supported, use KVM_SET_GUEST_DEBUG instead */
1520#define KVM_DEBUG_GUEST __KVM_DEPRECATED_VCPU_W_0x87
1521#define KVM_GET_MSRS _IOWR(KVMIO, 0x88, struct kvm_msrs)
1522#define KVM_SET_MSRS _IOW(KVMIO, 0x89, struct kvm_msrs)
1523#define KVM_SET_CPUID _IOW(KVMIO, 0x8a, struct kvm_cpuid)
1524#define KVM_SET_SIGNAL_MASK _IOW(KVMIO, 0x8b, struct kvm_signal_mask)
1525#define KVM_GET_FPU _IOR(KVMIO, 0x8c, struct kvm_fpu)
1526#define KVM_SET_FPU _IOW(KVMIO, 0x8d, struct kvm_fpu)
1527#define KVM_GET_LAPIC _IOR(KVMIO, 0x8e, struct kvm_lapic_state)
1528#define KVM_SET_LAPIC _IOW(KVMIO, 0x8f, struct kvm_lapic_state)
1529#define KVM_SET_CPUID2 _IOW(KVMIO, 0x90, struct kvm_cpuid2)
1530#define KVM_GET_CPUID2 _IOWR(KVMIO, 0x91, struct kvm_cpuid2)
1531/* Available with KVM_CAP_VAPIC */
1532#define KVM_TPR_ACCESS_REPORTING _IOWR(KVMIO, 0x92, struct kvm_tpr_access_ctl)
1533/* Available with KVM_CAP_VAPIC */
1534#define KVM_SET_VAPIC_ADDR _IOW(KVMIO, 0x93, struct kvm_vapic_addr)
1535/* valid for virtual machine (for floating interrupt)_and_ vcpu */
1536#define KVM_S390_INTERRUPT _IOW(KVMIO, 0x94, struct kvm_s390_interrupt)
1537/* store status for s390 */
1538#define KVM_S390_STORE_STATUS_NOADDR (-1ul)
1539#define KVM_S390_STORE_STATUS_PREFIXED (-2ul)
1540#define KVM_S390_STORE_STATUS _IOW(KVMIO, 0x95, unsigned long)
1541/* initial ipl psw for s390 */
1542#define KVM_S390_SET_INITIAL_PSW _IOW(KVMIO, 0x96, struct kvm_s390_psw)
1543/* initial reset for s390 */
1544#define KVM_S390_INITIAL_RESET _IO(KVMIO, 0x97)
1545#define KVM_GET_MP_STATE _IOR(KVMIO, 0x98, struct kvm_mp_state)
1546#define KVM_SET_MP_STATE _IOW(KVMIO, 0x99, struct kvm_mp_state)
1547/* Available with KVM_CAP_USER_NMI */
1548#define KVM_NMI _IO(KVMIO, 0x9a)
1549/* Available with KVM_CAP_SET_GUEST_DEBUG */
1550#define KVM_SET_GUEST_DEBUG _IOW(KVMIO, 0x9b, struct kvm_guest_debug)
1551/* MCE for x86 */
1552#define KVM_X86_SETUP_MCE _IOW(KVMIO, 0x9c, __u64)
1553#define KVM_X86_GET_MCE_CAP_SUPPORTED _IOR(KVMIO, 0x9d, __u64)
1554#define KVM_X86_SET_MCE _IOW(KVMIO, 0x9e, struct kvm_x86_mce)
1555/* Available with KVM_CAP_VCPU_EVENTS */
1556#define KVM_GET_VCPU_EVENTS _IOR(KVMIO, 0x9f, struct kvm_vcpu_events)
1557#define KVM_SET_VCPU_EVENTS _IOW(KVMIO, 0xa0, struct kvm_vcpu_events)
1558/* Available with KVM_CAP_DEBUGREGS */
1559#define KVM_GET_DEBUGREGS _IOR(KVMIO, 0xa1, struct kvm_debugregs)
1560#define KVM_SET_DEBUGREGS _IOW(KVMIO, 0xa2, struct kvm_debugregs)
1561/*
1562 * vcpu version available with KVM_ENABLE_CAP
1563 * vm version available with KVM_CAP_ENABLE_CAP_VM
1564 */
1565#define KVM_ENABLE_CAP _IOW(KVMIO, 0xa3, struct kvm_enable_cap)
1566/* Available with KVM_CAP_XSAVE */
1567#define KVM_GET_XSAVE _IOR(KVMIO, 0xa4, struct kvm_xsave)
1568#define KVM_SET_XSAVE _IOW(KVMIO, 0xa5, struct kvm_xsave)
1569/* Available with KVM_CAP_XCRS */
1570#define KVM_GET_XCRS _IOR(KVMIO, 0xa6, struct kvm_xcrs)
1571#define KVM_SET_XCRS _IOW(KVMIO, 0xa7, struct kvm_xcrs)
1572/* Available with KVM_CAP_SW_TLB */
1573#define KVM_DIRTY_TLB _IOW(KVMIO, 0xaa, struct kvm_dirty_tlb)
1574/* Available with KVM_CAP_ONE_REG */
1575#define KVM_GET_ONE_REG _IOW(KVMIO, 0xab, struct kvm_one_reg)
1576#define KVM_SET_ONE_REG _IOW(KVMIO, 0xac, struct kvm_one_reg)
1577/* VM is being stopped by host */
1578#define KVM_KVMCLOCK_CTRL _IO(KVMIO, 0xad)
1579#define KVM_ARM_VCPU_INIT _IOW(KVMIO, 0xae, struct kvm_vcpu_init)
1580#define KVM_ARM_PREFERRED_TARGET _IOR(KVMIO, 0xaf, struct kvm_vcpu_init)
1581#define KVM_GET_REG_LIST _IOWR(KVMIO, 0xb0, struct kvm_reg_list)
1582/* Available with KVM_CAP_S390_MEM_OP */
1583#define KVM_S390_MEM_OP _IOW(KVMIO, 0xb1, struct kvm_s390_mem_op)
1584/* Available with KVM_CAP_S390_SKEYS */
1585#define KVM_S390_GET_SKEYS _IOW(KVMIO, 0xb2, struct kvm_s390_skeys)
1586#define KVM_S390_SET_SKEYS _IOW(KVMIO, 0xb3, struct kvm_s390_skeys)
1587/* Available with KVM_CAP_S390_INJECT_IRQ */
1588#define KVM_S390_IRQ _IOW(KVMIO, 0xb4, struct kvm_s390_irq)
1589/* Available with KVM_CAP_S390_IRQ_STATE */
1590#define KVM_S390_SET_IRQ_STATE _IOW(KVMIO, 0xb5, struct kvm_s390_irq_state)
1591#define KVM_S390_GET_IRQ_STATE _IOW(KVMIO, 0xb6, struct kvm_s390_irq_state)
1592/* Available with KVM_CAP_X86_SMM */
1593#define KVM_SMI _IO(KVMIO, 0xb7)
1594/* Available with KVM_CAP_S390_CMMA_MIGRATION */
1595#define KVM_S390_GET_CMMA_BITS _IOWR(KVMIO, 0xb8, struct kvm_s390_cmma_log)
1596#define KVM_S390_SET_CMMA_BITS _IOW(KVMIO, 0xb9, struct kvm_s390_cmma_log)
1597/* Memory Encryption Commands */
1598#define KVM_MEMORY_ENCRYPT_OP _IOWR(KVMIO, 0xba, unsigned long)
1599
1600struct kvm_enc_region {
1601 __u64 addr;
1602 __u64 size;
1603};
1604
1605#define KVM_MEMORY_ENCRYPT_REG_REGION _IOR(KVMIO, 0xbb, struct kvm_enc_region)
1606#define KVM_MEMORY_ENCRYPT_UNREG_REGION _IOR(KVMIO, 0xbc, struct kvm_enc_region)
1607
1608/* Available with KVM_CAP_HYPERV_EVENTFD */
1609#define KVM_HYPERV_EVENTFD _IOW(KVMIO, 0xbd, struct kvm_hyperv_eventfd)
1610
1611/* Available with KVM_CAP_NESTED_STATE */
1612#define KVM_GET_NESTED_STATE _IOWR(KVMIO, 0xbe, struct kvm_nested_state)
1613#define KVM_SET_NESTED_STATE _IOW(KVMIO, 0xbf, struct kvm_nested_state)
1614
1615/* Available with KVM_CAP_MANUAL_DIRTY_LOG_PROTECT_2 */
1616#define KVM_CLEAR_DIRTY_LOG _IOWR(KVMIO, 0xc0, struct kvm_clear_dirty_log)
1617
1618/* Available with KVM_CAP_HYPERV_CPUID (vcpu) / KVM_CAP_SYS_HYPERV_CPUID (system) */
1619#define KVM_GET_SUPPORTED_HV_CPUID _IOWR(KVMIO, 0xc1, struct kvm_cpuid2)
1620
1621/* Available with KVM_CAP_ARM_SVE */
1622#define KVM_ARM_VCPU_FINALIZE _IOW(KVMIO, 0xc2, int)
1623
1624/* Available with KVM_CAP_S390_VCPU_RESETS */
1625#define KVM_S390_NORMAL_RESET _IO(KVMIO, 0xc3)
1626#define KVM_S390_CLEAR_RESET _IO(KVMIO, 0xc4)
1627
1628struct kvm_s390_pv_sec_parm {
1629 __u64 origin;
1630 __u64 length;
1631};
1632
1633struct kvm_s390_pv_unp {
1634 __u64 addr;
1635 __u64 size;
1636 __u64 tweak;
1637};
1638
1639enum pv_cmd_id {
1640 KVM_PV_ENABLE,
1641 KVM_PV_DISABLE,
1642 KVM_PV_SET_SEC_PARMS,
1643 KVM_PV_UNPACK,
1644 KVM_PV_VERIFY,
1645 KVM_PV_PREP_RESET,
1646 KVM_PV_UNSHARE_ALL,
1647};
1648
1649struct kvm_pv_cmd {
1650 __u32 cmd; /* Command to be executed */
1651 __u16 rc; /* Ultravisor return code */
1652 __u16 rrc; /* Ultravisor return reason code */
1653 __u64 data; /* Data or address */
1654 __u32 flags; /* flags for future extensions. Must be 0 for now */
1655 __u32 reserved[3];
1656};
1657
1658/* Available with KVM_CAP_S390_PROTECTED */
1659#define KVM_S390_PV_COMMAND _IOWR(KVMIO, 0xc5, struct kvm_pv_cmd)
1660
1661/* Available with KVM_CAP_X86_MSR_FILTER */
1662#define KVM_X86_SET_MSR_FILTER _IOW(KVMIO, 0xc6, struct kvm_msr_filter)
1663
1664/* Available with KVM_CAP_DIRTY_LOG_RING */
1665#define KVM_RESET_DIRTY_RINGS _IO(KVMIO, 0xc7)
1666
1667/* Per-VM Xen attributes */
1668#define KVM_XEN_HVM_GET_ATTR _IOWR(KVMIO, 0xc8, struct kvm_xen_hvm_attr)
1669#define KVM_XEN_HVM_SET_ATTR _IOW(KVMIO, 0xc9, struct kvm_xen_hvm_attr)
1670
1671struct kvm_xen_hvm_attr {
1672 __u16 type;
1673 __u16 pad[3];
1674 union {
1675 __u8 long_mode;
1676 __u8 vector;
1677 struct {
1678 __u64 gfn;
1679 } shared_info;
1680 __u64 pad[8];
1681 } u;
1682};
1683
1684/* Available with KVM_CAP_XEN_HVM / KVM_XEN_HVM_CONFIG_SHARED_INFO */
1685#define KVM_XEN_ATTR_TYPE_LONG_MODE 0x0
1686#define KVM_XEN_ATTR_TYPE_SHARED_INFO 0x1
1687#define KVM_XEN_ATTR_TYPE_UPCALL_VECTOR 0x2
1688
1689/* Per-vCPU Xen attributes */
1690#define KVM_XEN_VCPU_GET_ATTR _IOWR(KVMIO, 0xca, struct kvm_xen_vcpu_attr)
1691#define KVM_XEN_VCPU_SET_ATTR _IOW(KVMIO, 0xcb, struct kvm_xen_vcpu_attr)
1692
1693#define KVM_GET_SREGS2 _IOR(KVMIO, 0xcc, struct kvm_sregs2)
1694#define KVM_SET_SREGS2 _IOW(KVMIO, 0xcd, struct kvm_sregs2)
1695
1696struct kvm_xen_vcpu_attr {
1697 __u16 type;
1698 __u16 pad[3];
1699 union {
1700 __u64 gpa;
1701 __u64 pad[8];
1702 struct {
1703 __u64 state;
1704 __u64 state_entry_time;
1705 __u64 time_running;
1706 __u64 time_runnable;
1707 __u64 time_blocked;
1708 __u64 time_offline;
1709 } runstate;
1710 } u;
1711};
1712
1713/* Available with KVM_CAP_XEN_HVM / KVM_XEN_HVM_CONFIG_SHARED_INFO */
1714#define KVM_XEN_VCPU_ATTR_TYPE_VCPU_INFO 0x0
1715#define KVM_XEN_VCPU_ATTR_TYPE_VCPU_TIME_INFO 0x1
1716#define KVM_XEN_VCPU_ATTR_TYPE_RUNSTATE_ADDR 0x2
1717#define KVM_XEN_VCPU_ATTR_TYPE_RUNSTATE_CURRENT 0x3
1718#define KVM_XEN_VCPU_ATTR_TYPE_RUNSTATE_DATA 0x4
1719#define KVM_XEN_VCPU_ATTR_TYPE_RUNSTATE_ADJUST 0x5
1720
1721/* Secure Encrypted Virtualization command */
1722enum sev_cmd_id {
1723 /* Guest initialization commands */
1724 KVM_SEV_INIT = 0,
1725 KVM_SEV_ES_INIT,
1726 /* Guest launch commands */
1727 KVM_SEV_LAUNCH_START,
1728 KVM_SEV_LAUNCH_UPDATE_DATA,
1729 KVM_SEV_LAUNCH_UPDATE_VMSA,
1730 KVM_SEV_LAUNCH_SECRET,
1731 KVM_SEV_LAUNCH_MEASURE,
1732 KVM_SEV_LAUNCH_FINISH,
1733 /* Guest migration commands (outgoing) */
1734 KVM_SEV_SEND_START,
1735 KVM_SEV_SEND_UPDATE_DATA,
1736 KVM_SEV_SEND_UPDATE_VMSA,
1737 KVM_SEV_SEND_FINISH,
1738 /* Guest migration commands (incoming) */
1739 KVM_SEV_RECEIVE_START,
1740 KVM_SEV_RECEIVE_UPDATE_DATA,
1741 KVM_SEV_RECEIVE_UPDATE_VMSA,
1742 KVM_SEV_RECEIVE_FINISH,
1743 /* Guest status and debug commands */
1744 KVM_SEV_GUEST_STATUS,
1745 KVM_SEV_DBG_DECRYPT,
1746 KVM_SEV_DBG_ENCRYPT,
1747 /* Guest certificates commands */
1748 KVM_SEV_CERT_EXPORT,
1749 /* Attestation report */
1750 KVM_SEV_GET_ATTESTATION_REPORT,
1751 /* Guest Migration Extension */
1752 KVM_SEV_SEND_CANCEL,
1753
1754 KVM_SEV_NR_MAX,
1755};
1756
1757struct kvm_sev_cmd {
1758 __u32 id;
1759 __u64 data;
1760 __u32 error;
1761 __u32 sev_fd;
1762};
1763
1764struct kvm_sev_launch_start {
1765 __u32 handle;
1766 __u32 policy;
1767 __u64 dh_uaddr;
1768 __u32 dh_len;
1769 __u64 session_uaddr;
1770 __u32 session_len;
1771};
1772
1773struct kvm_sev_launch_update_data {
1774 __u64 uaddr;
1775 __u32 len;
1776};
1777
1778
1779struct kvm_sev_launch_secret {
1780 __u64 hdr_uaddr;
1781 __u32 hdr_len;
1782 __u64 guest_uaddr;
1783 __u32 guest_len;
1784 __u64 trans_uaddr;
1785 __u32 trans_len;
1786};
1787
1788struct kvm_sev_launch_measure {
1789 __u64 uaddr;
1790 __u32 len;
1791};
1792
1793struct kvm_sev_guest_status {
1794 __u32 handle;
1795 __u32 policy;
1796 __u32 state;
1797};
1798
1799struct kvm_sev_dbg {
1800 __u64 src_uaddr;
1801 __u64 dst_uaddr;
1802 __u32 len;
1803};
1804
1805struct kvm_sev_attestation_report {
1806 __u8 mnonce[16];
1807 __u64 uaddr;
1808 __u32 len;
1809};
1810
1811struct kvm_sev_send_start {
1812 __u32 policy;
1813 __u64 pdh_cert_uaddr;
1814 __u32 pdh_cert_len;
1815 __u64 plat_certs_uaddr;
1816 __u32 plat_certs_len;
1817 __u64 amd_certs_uaddr;
1818 __u32 amd_certs_len;
1819 __u64 session_uaddr;
1820 __u32 session_len;
1821};
1822
1823struct kvm_sev_send_update_data {
1824 __u64 hdr_uaddr;
1825 __u32 hdr_len;
1826 __u64 guest_uaddr;
1827 __u32 guest_len;
1828 __u64 trans_uaddr;
1829 __u32 trans_len;
1830};
1831
1832struct kvm_sev_receive_start {
1833 __u32 handle;
1834 __u32 policy;
1835 __u64 pdh_uaddr;
1836 __u32 pdh_len;
1837 __u64 session_uaddr;
1838 __u32 session_len;
1839};
1840
1841struct kvm_sev_receive_update_data {
1842 __u64 hdr_uaddr;
1843 __u32 hdr_len;
1844 __u64 guest_uaddr;
1845 __u32 guest_len;
1846 __u64 trans_uaddr;
1847 __u32 trans_len;
1848};
1849
1850#define KVM_DEV_ASSIGN_ENABLE_IOMMU (1 << 0)
1851#define KVM_DEV_ASSIGN_PCI_2_3 (1 << 1)
1852#define KVM_DEV_ASSIGN_MASK_INTX (1 << 2)
1853
1854struct kvm_assigned_pci_dev {
1855 __u32 assigned_dev_id;
1856 __u32 busnr;
1857 __u32 devfn;
1858 __u32 flags;
1859 __u32 segnr;
1860 union {
1861 __u32 reserved[11];
1862 };
1863};
1864
1865#define KVM_DEV_IRQ_HOST_INTX (1 << 0)
1866#define KVM_DEV_IRQ_HOST_MSI (1 << 1)
1867#define KVM_DEV_IRQ_HOST_MSIX (1 << 2)
1868
1869#define KVM_DEV_IRQ_GUEST_INTX (1 << 8)
1870#define KVM_DEV_IRQ_GUEST_MSI (1 << 9)
1871#define KVM_DEV_IRQ_GUEST_MSIX (1 << 10)
1872
1873#define KVM_DEV_IRQ_HOST_MASK 0x00ff
1874#define KVM_DEV_IRQ_GUEST_MASK 0xff00
1875
1876struct kvm_assigned_irq {
1877 __u32 assigned_dev_id;
1878 __u32 host_irq; /* ignored (legacy field) */
1879 __u32 guest_irq;
1880 __u32 flags;
1881 union {
1882 __u32 reserved[12];
1883 };
1884};
1885
1886struct kvm_assigned_msix_nr {
1887 __u32 assigned_dev_id;
1888 __u16 entry_nr;
1889 __u16 padding;
1890};
1891
1892#define KVM_MAX_MSIX_PER_DEV 256
1893struct kvm_assigned_msix_entry {
1894 __u32 assigned_dev_id;
1895 __u32 gsi;
1896 __u16 entry; /* The index of entry in the MSI-X table */
1897 __u16 padding[3];
1898};
1899
1900#define KVM_X2APIC_API_USE_32BIT_IDS (1ULL << 0)
1901#define KVM_X2APIC_API_DISABLE_BROADCAST_QUIRK (1ULL << 1)
1902
1903/* Available with KVM_CAP_ARM_USER_IRQ */
1904
1905/* Bits for run->s.regs.device_irq_level */
1906#define KVM_ARM_DEV_EL1_VTIMER (1 << 0)
1907#define KVM_ARM_DEV_EL1_PTIMER (1 << 1)
1908#define KVM_ARM_DEV_PMU (1 << 2)
1909
1910struct kvm_hyperv_eventfd {
1911 __u32 conn_id;
1912 __s32 fd;
1913 __u32 flags;
1914 __u32 padding[3];
1915};
1916
1917#define KVM_HYPERV_CONN_ID_MASK 0x00ffffff
1918#define KVM_HYPERV_EVENTFD_DEASSIGN (1 << 0)
1919
1920#define KVM_DIRTY_LOG_MANUAL_PROTECT_ENABLE (1 << 0)
1921#define KVM_DIRTY_LOG_INITIALLY_SET (1 << 1)
1922
1923/*
1924 * Arch needs to define the macro after implementing the dirty ring
1925 * feature. KVM_DIRTY_LOG_PAGE_OFFSET should be defined as the
1926 * starting page offset of the dirty ring structures.
1927 */
1928#ifndef KVM_DIRTY_LOG_PAGE_OFFSET
1929#define KVM_DIRTY_LOG_PAGE_OFFSET 0
1930#endif
1931
1932/*
1933 * KVM dirty GFN flags, defined as:
1934 *
1935 * |---------------+---------------+--------------|
1936 * | bit 1 (reset) | bit 0 (dirty) | Status |
1937 * |---------------+---------------+--------------|
1938 * | 0 | 0 | Invalid GFN |
1939 * | 0 | 1 | Dirty GFN |
1940 * | 1 | X | GFN to reset |
1941 * |---------------+---------------+--------------|
1942 *
1943 * Lifecycle of a dirty GFN goes like:
1944 *
1945 * dirtied harvested reset
1946 * 00 -----------> 01 -------------> 1X -------+
1947 * ^ |
1948 * | |
1949 * +------------------------------------------+
1950 *
1951 * The userspace program is only responsible for the 01->1X state
1952 * conversion after harvesting an entry. Also, it must not skip any
1953 * dirty bits, so that dirty bits are always harvested in sequence.
1954 */
1955#define KVM_DIRTY_GFN_F_DIRTY _BITUL(0)
1956#define KVM_DIRTY_GFN_F_RESET _BITUL(1)
1957#define KVM_DIRTY_GFN_F_MASK 0x3
1958
1959/*
1960 * KVM dirty rings should be mapped at KVM_DIRTY_LOG_PAGE_OFFSET of
1961 * per-vcpu mmaped regions as an array of struct kvm_dirty_gfn. The
1962 * size of the gfn buffer is decided by the first argument when
1963 * enabling KVM_CAP_DIRTY_LOG_RING.
1964 */
1965struct kvm_dirty_gfn {
1966 __u32 flags;
1967 __u32 slot;
1968 __u64 offset;
1969};
1970
1971#define KVM_BUS_LOCK_DETECTION_OFF (1 << 0)
1972#define KVM_BUS_LOCK_DETECTION_EXIT (1 << 1)
1973
1974/**
1975 * struct kvm_stats_header - Header of per vm/vcpu binary statistics data.
1976 * @flags: Some extra information for header, always 0 for now.
1977 * @name_size: The size in bytes of the memory which contains statistics
1978 * name string including trailing '\0'. The memory is allocated
1979 * at the send of statistics descriptor.
1980 * @num_desc: The number of statistics the vm or vcpu has.
1981 * @id_offset: The offset of the vm/vcpu stats' id string in the file pointed
1982 * by vm/vcpu stats fd.
1983 * @desc_offset: The offset of the vm/vcpu stats' descriptor block in the file
1984 * pointd by vm/vcpu stats fd.
1985 * @data_offset: The offset of the vm/vcpu stats' data block in the file
1986 * pointed by vm/vcpu stats fd.
1987 *
1988 * This is the header userspace needs to read from stats fd before any other
1989 * readings. It is used by userspace to discover all the information about the
1990 * vm/vcpu's binary statistics.
1991 * Userspace reads this header from the start of the vm/vcpu's stats fd.
1992 */
1993struct kvm_stats_header {
1994 __u32 flags;
1995 __u32 name_size;
1996 __u32 num_desc;
1997 __u32 id_offset;
1998 __u32 desc_offset;
1999 __u32 data_offset;
2000};
2001
2002#define KVM_STATS_TYPE_SHIFT 0
2003#define KVM_STATS_TYPE_MASK (0xF << KVM_STATS_TYPE_SHIFT)
2004#define KVM_STATS_TYPE_CUMULATIVE (0x0 << KVM_STATS_TYPE_SHIFT)
2005#define KVM_STATS_TYPE_INSTANT (0x1 << KVM_STATS_TYPE_SHIFT)
2006#define KVM_STATS_TYPE_PEAK (0x2 << KVM_STATS_TYPE_SHIFT)
2007#define KVM_STATS_TYPE_LINEAR_HIST (0x3 << KVM_STATS_TYPE_SHIFT)
2008#define KVM_STATS_TYPE_LOG_HIST (0x4 << KVM_STATS_TYPE_SHIFT)
2009#define KVM_STATS_TYPE_MAX KVM_STATS_TYPE_LOG_HIST
2010
2011#define KVM_STATS_UNIT_SHIFT 4
2012#define KVM_STATS_UNIT_MASK (0xF << KVM_STATS_UNIT_SHIFT)
2013#define KVM_STATS_UNIT_NONE (0x0 << KVM_STATS_UNIT_SHIFT)
2014#define KVM_STATS_UNIT_BYTES (0x1 << KVM_STATS_UNIT_SHIFT)
2015#define KVM_STATS_UNIT_SECONDS (0x2 << KVM_STATS_UNIT_SHIFT)
2016#define KVM_STATS_UNIT_CYCLES (0x3 << KVM_STATS_UNIT_SHIFT)
2017#define KVM_STATS_UNIT_MAX KVM_STATS_UNIT_CYCLES
2018
2019#define KVM_STATS_BASE_SHIFT 8
2020#define KVM_STATS_BASE_MASK (0xF << KVM_STATS_BASE_SHIFT)
2021#define KVM_STATS_BASE_POW10 (0x0 << KVM_STATS_BASE_SHIFT)
2022#define KVM_STATS_BASE_POW2 (0x1 << KVM_STATS_BASE_SHIFT)
2023#define KVM_STATS_BASE_MAX KVM_STATS_BASE_POW2
2024
2025/**
2026 * struct kvm_stats_desc - Descriptor of a KVM statistics.
2027 * @flags: Annotations of the stats, like type, unit, etc.
2028 * @exponent: Used together with @flags to determine the unit.
2029 * @size: The number of data items for this stats.
2030 * Every data item is of type __u64.
2031 * @offset: The offset of the stats to the start of stat structure in
2032 * structure kvm or kvm_vcpu.
2033 * @bucket_size: A parameter value used for histogram stats. It is only used
2034 * for linear histogram stats, specifying the size of the bucket;
2035 * @name: The name string for the stats. Its size is indicated by the
2036 * &kvm_stats_header->name_size.
2037 */
2038struct kvm_stats_desc {
2039 __u32 flags;
2040 __s16 exponent;
2041 __u16 size;
2042 __u32 offset;
2043 __u32 bucket_size;
2044 char name[];
2045};
2046
2047#define KVM_GET_STATS_FD _IO(KVMIO, 0xce)
2048
2049/* Available with KVM_CAP_XSAVE2 */
2050#define KVM_GET_XSAVE2 _IOR(KVMIO, 0xcf, struct kvm_xsave)
2051
2052#endif /* __LINUX_KVM_H */