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migration: Move ram_release_pages() call to save_zero_page_to_file()
[qemu/ar7.git] / linux-headers / linux / kvm.h
blob02c5e7b7bbb55bff303dfc4417d08085920c56e5
1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
2 #ifndef __LINUX_KVM_H
3 #define __LINUX_KVM_H
4
5 /*
6 * Userspace interface for /dev/kvm - kernel based virtual machine
7 *
8 * Note: you must update KVM_API_VERSION if you change this interface.
9 */
10
11 #include <linux/const.h>
12 #include <linux/types.h>
13
14 #include <linux/ioctl.h>
15 #include <asm/kvm.h>
16
17 #define KVM_API_VERSION 12
18
19 /* *** Deprecated interfaces *** */
20
21 #define KVM_TRC_SHIFT 16
22
23 #define KVM_TRC_ENTRYEXIT (1 << KVM_TRC_SHIFT)
24 #define KVM_TRC_HANDLER (1 << (KVM_TRC_SHIFT + 1))
25
26 #define KVM_TRC_VMENTRY (KVM_TRC_ENTRYEXIT + 0x01)
27 #define KVM_TRC_VMEXIT (KVM_TRC_ENTRYEXIT + 0x02)
28 #define KVM_TRC_PAGE_FAULT (KVM_TRC_HANDLER + 0x01)
29
30 #define KVM_TRC_HEAD_SIZE 12
31 #define KVM_TRC_CYCLE_SIZE 8
32 #define KVM_TRC_EXTRA_MAX 7
33
34 #define KVM_TRC_INJ_VIRQ (KVM_TRC_HANDLER + 0x02)
35 #define KVM_TRC_REDELIVER_EVT (KVM_TRC_HANDLER + 0x03)
36 #define KVM_TRC_PEND_INTR (KVM_TRC_HANDLER + 0x04)
37 #define KVM_TRC_IO_READ (KVM_TRC_HANDLER + 0x05)
38 #define KVM_TRC_IO_WRITE (KVM_TRC_HANDLER + 0x06)
39 #define KVM_TRC_CR_READ (KVM_TRC_HANDLER + 0x07)
40 #define KVM_TRC_CR_WRITE (KVM_TRC_HANDLER + 0x08)
41 #define KVM_TRC_DR_READ (KVM_TRC_HANDLER + 0x09)
42 #define KVM_TRC_DR_WRITE (KVM_TRC_HANDLER + 0x0A)
43 #define KVM_TRC_MSR_READ (KVM_TRC_HANDLER + 0x0B)
44 #define KVM_TRC_MSR_WRITE (KVM_TRC_HANDLER + 0x0C)
45 #define KVM_TRC_CPUID (KVM_TRC_HANDLER + 0x0D)
46 #define KVM_TRC_INTR (KVM_TRC_HANDLER + 0x0E)
47 #define KVM_TRC_NMI (KVM_TRC_HANDLER + 0x0F)
48 #define KVM_TRC_VMMCALL (KVM_TRC_HANDLER + 0x10)
49 #define KVM_TRC_HLT (KVM_TRC_HANDLER + 0x11)
50 #define KVM_TRC_CLTS (KVM_TRC_HANDLER + 0x12)
51 #define KVM_TRC_LMSW (KVM_TRC_HANDLER + 0x13)
52 #define KVM_TRC_APIC_ACCESS (KVM_TRC_HANDLER + 0x14)
53 #define KVM_TRC_TDP_FAULT (KVM_TRC_HANDLER + 0x15)
54 #define KVM_TRC_GTLB_WRITE (KVM_TRC_HANDLER + 0x16)
55 #define KVM_TRC_STLB_WRITE (KVM_TRC_HANDLER + 0x17)
56 #define KVM_TRC_STLB_INVAL (KVM_TRC_HANDLER + 0x18)
57 #define KVM_TRC_PPC_INSTR (KVM_TRC_HANDLER + 0x19)
58
59 struct kvm_user_trace_setup {
60 __u32 buf_size;
61 __u32 buf_nr;
62 };
63
64 #define __KVM_DEPRECATED_MAIN_W_0x06 \
65 _IOW(KVMIO, 0x06, struct kvm_user_trace_setup)
66 #define __KVM_DEPRECATED_MAIN_0x07 _IO(KVMIO, 0x07)
67 #define __KVM_DEPRECATED_MAIN_0x08 _IO(KVMIO, 0x08)
68
69 #define __KVM_DEPRECATED_VM_R_0x70 _IOR(KVMIO, 0x70, struct kvm_assigned_irq)
70
71 struct kvm_breakpoint {
72 __u32 enabled;
73 __u32 padding;
74 __u64 address;
75 };
76
77 struct kvm_debug_guest {
78 __u32 enabled;
79 __u32 pad;
80 struct kvm_breakpoint breakpoints[4];
81 __u32 singlestep;
82 };
83
84 #define __KVM_DEPRECATED_VCPU_W_0x87 _IOW(KVMIO, 0x87, struct kvm_debug_guest)
85
86 /* *** End of deprecated interfaces *** */
87
88
89 /* for KVM_CREATE_MEMORY_REGION */
90 struct kvm_memory_region {
91 __u32 slot;
92 __u32 flags;
93 __u64 guest_phys_addr;
94 __u64 memory_size; /* bytes */
95 };
96
97 /* for KVM_SET_USER_MEMORY_REGION */
98 struct kvm_userspace_memory_region {
99 __u32 slot;
100 __u32 flags;
101 __u64 guest_phys_addr;
102 __u64 memory_size; /* bytes */
103 __u64 userspace_addr; /* start of the userspace allocated memory */
104 };
105
106 /*
107 * The bit 0 ~ bit 15 of kvm_memory_region::flags are visible for userspace,
108 * other bits are reserved for kvm internal use which are defined in
109 * include/linux/kvm_host.h.
110 */
111 #define KVM_MEM_LOG_DIRTY_PAGES (1UL << 0)
112 #define KVM_MEM_READONLY (1UL << 1)
113
114 /* for KVM_IRQ_LINE */
115 struct kvm_irq_level {
116 /*
117 * ACPI gsi notion of irq.
118 * For IA-64 (APIC model) IOAPIC0: irq 0-23; IOAPIC1: irq 24-47..
119 * For X86 (standard AT mode) PIC0/1: irq 0-15. IOAPIC0: 0-23..
120 * For ARM: See Documentation/virt/kvm/api.rst
121 */
122 union {
123 __u32 irq;
124 __s32 status;
125 };
126 __u32 level;
127 };
128
129
130 struct kvm_irqchip {
131 __u32 chip_id;
132 __u32 pad;
133 union {
134 char dummy[512]; /* reserving space */
135 #ifdef __KVM_HAVE_PIT
136 struct kvm_pic_state pic;
137 #endif
138 #ifdef __KVM_HAVE_IOAPIC
139 struct kvm_ioapic_state ioapic;
140 #endif
141 } chip;
142 };
143
144 /* for KVM_CREATE_PIT2 */
145 struct kvm_pit_config {
146 __u32 flags;
147 __u32 pad[15];
148 };
149
150 #define KVM_PIT_SPEAKER_DUMMY 1
151
152 struct kvm_s390_skeys {
153 __u64 start_gfn;
154 __u64 count;
155 __u64 skeydata_addr;
156 __u32 flags;
157 __u32 reserved[9];
158 };
159
160 #define KVM_S390_CMMA_PEEK (1 << 0)
161
162 /**
163 * kvm_s390_cmma_log - Used for CMMA migration.
164 *
165 * Used both for input and output.
166 *
167 * @start_gfn: Guest page number to start from.
168 * @count: Size of the result buffer.
169 * @flags: Control operation mode via KVM_S390_CMMA_* flags
170 * @remaining: Used with KVM_S390_GET_CMMA_BITS. Indicates how many dirty
171 * pages are still remaining.
172 * @mask: Used with KVM_S390_SET_CMMA_BITS. Bitmap of bits to actually set
173 * in the PGSTE.
174 * @values: Pointer to the values buffer.
175 *
176 * Used in KVM_S390_{G,S}ET_CMMA_BITS ioctls.
177 */
178 struct kvm_s390_cmma_log {
179 __u64 start_gfn;
180 __u32 count;
181 __u32 flags;
182 union {
183 __u64 remaining;
184 __u64 mask;
185 };
186 __u64 values;
187 };
188
189 struct kvm_hyperv_exit {
190 #define KVM_EXIT_HYPERV_SYNIC 1
191 #define KVM_EXIT_HYPERV_HCALL 2
192 #define KVM_EXIT_HYPERV_SYNDBG 3
193 __u32 type;
194 __u32 pad1;
195 union {
196 struct {
197 __u32 msr;
198 __u32 pad2;
199 __u64 control;
200 __u64 evt_page;
201 __u64 msg_page;
202 } synic;
203 struct {
204 __u64 input;
205 __u64 result;
206 __u64 params[2];
207 } hcall;
208 struct {
209 __u32 msr;
210 __u32 pad2;
211 __u64 control;
212 __u64 status;
213 __u64 send_page;
214 __u64 recv_page;
215 __u64 pending_page;
216 } syndbg;
217 } u;
218 };
219
220 struct kvm_xen_exit {
221 #define KVM_EXIT_XEN_HCALL 1
222 __u32 type;
223 union {
224 struct {
225 __u32 longmode;
226 __u32 cpl;
227 __u64 input;
228 __u64 result;
229 __u64 params[6];
230 } hcall;
231 } u;
232 };
233
234 #define KVM_S390_GET_SKEYS_NONE 1
235 #define KVM_S390_SKEYS_MAX 1048576
236
237 #define KVM_EXIT_UNKNOWN 0
238 #define KVM_EXIT_EXCEPTION 1
239 #define KVM_EXIT_IO 2
240 #define KVM_EXIT_HYPERCALL 3
241 #define KVM_EXIT_DEBUG 4
242 #define KVM_EXIT_HLT 5
243 #define KVM_EXIT_MMIO 6
244 #define KVM_EXIT_IRQ_WINDOW_OPEN 7
245 #define KVM_EXIT_SHUTDOWN 8
246 #define KVM_EXIT_FAIL_ENTRY 9
247 #define KVM_EXIT_INTR 10
248 #define KVM_EXIT_SET_TPR 11
249 #define KVM_EXIT_TPR_ACCESS 12
250 #define KVM_EXIT_S390_SIEIC 13
251 #define KVM_EXIT_S390_RESET 14
252 #define KVM_EXIT_DCR 15 /* deprecated */
253 #define KVM_EXIT_NMI 16
254 #define KVM_EXIT_INTERNAL_ERROR 17
255 #define KVM_EXIT_OSI 18
256 #define KVM_EXIT_PAPR_HCALL 19
257 #define KVM_EXIT_S390_UCONTROL 20
258 #define KVM_EXIT_WATCHDOG 21
259 #define KVM_EXIT_S390_TSCH 22
260 #define KVM_EXIT_EPR 23
261 #define KVM_EXIT_SYSTEM_EVENT 24
262 #define KVM_EXIT_S390_STSI 25
263 #define KVM_EXIT_IOAPIC_EOI 26
264 #define KVM_EXIT_HYPERV 27
265 #define KVM_EXIT_ARM_NISV 28
266 #define KVM_EXIT_X86_RDMSR 29
267 #define KVM_EXIT_X86_WRMSR 30
268 #define KVM_EXIT_DIRTY_RING_FULL 31
269 #define KVM_EXIT_AP_RESET_HOLD 32
270 #define KVM_EXIT_X86_BUS_LOCK 33
271 #define KVM_EXIT_XEN 34
272 #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) */
288 struct 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
515 struct kvm_coalesced_mmio_zone {
516 __u64 addr;
517 __u32 size;
518 union {
519 __u32 pad;
520 __u32 pio;
521 };
522 };
523
524 struct 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
534 struct 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 */
544 struct 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 */
557 struct 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 */
580 struct kvm_interrupt {
581 /* in */
582 __u32 irq;
583 };
584
585 /* for KVM_GET_DIRTY_LOG */
586 struct kvm_dirty_log {
587 __u32 slot;
588 __u32 padding1;
589 union {
590 void *dirty_bitmap; /* one bit per page */
591 __u64 padding2;
592 };
593 };
594
595 /* for KVM_CLEAR_DIRTY_LOG */
596 struct kvm_clear_dirty_log {
597 __u32 slot;
598 __u32 num_pages;
599 __u64 first_page;
600 union {
601 void *dirty_bitmap; /* one bit per page */
602 __u64 padding2;
603 };
604 };
605
606 /* for KVM_SET_SIGNAL_MASK */
607 struct kvm_signal_mask {
608 __u32 len;
609 __u8 sigset[0];
610 };
611
612 /* for KVM_TPR_ACCESS_REPORTING */
613 struct kvm_tpr_access_ctl {
614 __u32 enabled;
615 __u32 flags;
616 __u32 reserved[8];
617 };
618
619 /* for KVM_SET_VAPIC_ADDR */
620 struct 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
638 struct kvm_mp_state {
639 __u32 mp_state;
640 };
641
642 struct 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
672 struct kvm_s390_interrupt {
673 __u32 type;
674 __u32 parm;
675 __u64 parm64;
676 };
677
678 struct kvm_s390_io_info {
679 __u16 subchannel_id;
680 __u16 subchannel_nr;
681 __u32 io_int_parm;
682 __u32 io_int_word;
683 };
684
685 struct kvm_s390_ext_info {
686 __u32 ext_params;
687 __u32 pad;
688 __u64 ext_params2;
689 };
690
691 struct 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
712 struct kvm_s390_prefix_info {
713 __u32 address;
714 };
715
716 struct kvm_s390_extcall_info {
717 __u16 code;
718 };
719
720 struct kvm_s390_emerg_info {
721 __u16 code;
722 };
723
724 #define KVM_S390_STOP_FLAG_STORE_STATUS 0x01
725 struct kvm_s390_stop_info {
726 __u32 flags;
727 };
728
729 struct 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
738 struct 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
753 struct 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
765 struct kvm_guest_debug {
766 __u32 control;
767 __u32 pad;
768 struct kvm_guest_debug_arch arch;
769 };
770
771 enum {
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
788 struct 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 */
807 struct 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
819 struct 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
829 struct kvm_ppc_one_page_size {
830 __u32 page_shift; /* Page shift (or 0) */
831 __u32 pte_enc; /* Encoding in the HPTE (>>12) */
832 };
833
834 struct 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
844 struct 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} */
853 struct 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
1134 #ifdef KVM_CAP_IRQ_ROUTING
1135
1136 struct kvm_irq_routing_irqchip {
1137 __u32 irqchip;
1138 __u32 pin;
1139 };
1140
1141 struct kvm_irq_routing_msi {
1142 __u32 address_lo;
1143 __u32 address_hi;
1144 __u32 data;
1145 union {
1146 __u32 pad;
1147 __u32 devid;
1148 };
1149 };
1150
1151 struct kvm_irq_routing_s390_adapter {
1152 __u64 ind_addr;
1153 __u64 summary_addr;
1154 __u64 ind_offset;
1155 __u32 summary_offset;
1156 __u32 adapter_id;
1157 };
1158
1159 struct kvm_irq_routing_hv_sint {
1160 __u32 vcpu;
1161 __u32 sint;
1162 };
1163
1164 /* gsi routing entry types */
1165 #define KVM_IRQ_ROUTING_IRQCHIP 1
1166 #define KVM_IRQ_ROUTING_MSI 2
1167 #define KVM_IRQ_ROUTING_S390_ADAPTER 3
1168 #define KVM_IRQ_ROUTING_HV_SINT 4
1169
1170 struct kvm_irq_routing_entry {
1171 __u32 gsi;
1172 __u32 type;
1173 __u32 flags;
1174 __u32 pad;
1175 union {
1176 struct kvm_irq_routing_irqchip irqchip;
1177 struct kvm_irq_routing_msi msi;
1178 struct kvm_irq_routing_s390_adapter adapter;
1179 struct kvm_irq_routing_hv_sint hv_sint;
1180 __u32 pad[8];
1181 } u;
1182 };
1183
1184 struct kvm_irq_routing {
1185 __u32 nr;
1186 __u32 flags;
1187 struct kvm_irq_routing_entry entries[0];
1188 };
1189
1190 #endif
1191
1192 #ifdef KVM_CAP_MCE
1193 /* x86 MCE */
1194 struct kvm_x86_mce {
1195 __u64 status;
1196 __u64 addr;
1197 __u64 misc;
1198 __u64 mcg_status;
1199 __u8 bank;
1200 __u8 pad1[7];
1201 __u64 pad2[3];
1202 };
1203 #endif
1204
1205 #ifdef KVM_CAP_XEN_HVM
1206 #define KVM_XEN_HVM_CONFIG_HYPERCALL_MSR (1 << 0)
1207 #define KVM_XEN_HVM_CONFIG_INTERCEPT_HCALL (1 << 1)
1208 #define KVM_XEN_HVM_CONFIG_SHARED_INFO (1 << 2)
1209 #define KVM_XEN_HVM_CONFIG_RUNSTATE (1 << 3)
1210
1211 struct kvm_xen_hvm_config {
1212 __u32 flags;
1213 __u32 msr;
1214 __u64 blob_addr_32;
1215 __u64 blob_addr_64;
1216 __u8 blob_size_32;
1217 __u8 blob_size_64;
1218 __u8 pad2[30];
1219 };
1220 #endif
1221
1222 #define KVM_IRQFD_FLAG_DEASSIGN (1 << 0)
1223 /*
1224 * Available with KVM_CAP_IRQFD_RESAMPLE
1225 *
1226 * KVM_IRQFD_FLAG_RESAMPLE indicates resamplefd is valid and specifies
1227 * the irqfd to operate in resampling mode for level triggered interrupt
1228 * emulation. See Documentation/virt/kvm/api.rst.
1229 */
1230 #define KVM_IRQFD_FLAG_RESAMPLE (1 << 1)
1231
1232 struct kvm_irqfd {
1233 __u32 fd;
1234 __u32 gsi;
1235 __u32 flags;
1236 __u32 resamplefd;
1237 __u8 pad[16];
1238 };
1239
1240 /* For KVM_CAP_ADJUST_CLOCK */
1241
1242 /* Do not use 1, KVM_CHECK_EXTENSION returned it before we had flags. */
1243 #define KVM_CLOCK_TSC_STABLE 2
1244 #define KVM_CLOCK_REALTIME (1 << 2)
1245 #define KVM_CLOCK_HOST_TSC (1 << 3)
1246
1247 struct kvm_clock_data {
1248 __u64 clock;
1249 __u32 flags;
1250 __u32 pad0;
1251 __u64 realtime;
1252 __u64 host_tsc;
1253 __u32 pad[4];
1254 };
1255
1256 /* For KVM_CAP_SW_TLB */
1257
1258 #define KVM_MMU_FSL_BOOKE_NOHV 0
1259 #define KVM_MMU_FSL_BOOKE_HV 1
1260
1261 struct kvm_config_tlb {
1262 __u64 params;
1263 __u64 array;
1264 __u32 mmu_type;
1265 __u32 array_len;
1266 };
1267
1268 struct kvm_dirty_tlb {
1269 __u64 bitmap;
1270 __u32 num_dirty;
1271 };
1272
1273 /* Available with KVM_CAP_ONE_REG */
1274
1275 #define KVM_REG_ARCH_MASK 0xff00000000000000ULL
1276 #define KVM_REG_GENERIC 0x0000000000000000ULL
1277
1278 /*
1279 * Architecture specific registers are to be defined in arch headers and
1280 * ORed with the arch identifier.
1281 */
1282 #define KVM_REG_PPC 0x1000000000000000ULL
1283 #define KVM_REG_X86 0x2000000000000000ULL
1284 #define KVM_REG_IA64 0x3000000000000000ULL
1285 #define KVM_REG_ARM 0x4000000000000000ULL
1286 #define KVM_REG_S390 0x5000000000000000ULL
1287 #define KVM_REG_ARM64 0x6000000000000000ULL
1288 #define KVM_REG_MIPS 0x7000000000000000ULL
1289 #define KVM_REG_RISCV 0x8000000000000000ULL
1290
1291 #define KVM_REG_SIZE_SHIFT 52
1292 #define KVM_REG_SIZE_MASK 0x00f0000000000000ULL
1293 #define KVM_REG_SIZE_U8 0x0000000000000000ULL
1294 #define KVM_REG_SIZE_U16 0x0010000000000000ULL
1295 #define KVM_REG_SIZE_U32 0x0020000000000000ULL
1296 #define KVM_REG_SIZE_U64 0x0030000000000000ULL
1297 #define KVM_REG_SIZE_U128 0x0040000000000000ULL
1298 #define KVM_REG_SIZE_U256 0x0050000000000000ULL
1299 #define KVM_REG_SIZE_U512 0x0060000000000000ULL
1300 #define KVM_REG_SIZE_U1024 0x0070000000000000ULL
1301 #define KVM_REG_SIZE_U2048 0x0080000000000000ULL
1302
1303 struct kvm_reg_list {
1304 __u64 n; /* number of regs */
1305 __u64 reg[0];
1306 };
1307
1308 struct kvm_one_reg {
1309 __u64 id;
1310 __u64 addr;
1311 };
1312
1313 #define KVM_MSI_VALID_DEVID (1U << 0)
1314 struct kvm_msi {
1315 __u32 address_lo;
1316 __u32 address_hi;
1317 __u32 data;
1318 __u32 flags;
1319 __u32 devid;
1320 __u8 pad[12];
1321 };
1322
1323 struct kvm_arm_device_addr {
1324 __u64 id;
1325 __u64 addr;
1326 };
1327
1328 /*
1329 * Device control API, available with KVM_CAP_DEVICE_CTRL
1330 */
1331 #define KVM_CREATE_DEVICE_TEST 1
1332
1333 struct kvm_create_device {
1334 __u32 type; /* in: KVM_DEV_TYPE_xxx */
1335 __u32 fd; /* out: device handle */
1336 __u32 flags; /* in: KVM_CREATE_DEVICE_xxx */
1337 };
1338
1339 struct kvm_device_attr {
1340 __u32 flags; /* no flags currently defined */
1341 __u32 group; /* device-defined */
1342 __u64 attr; /* group-defined */
1343 __u64 addr; /* userspace address of attr data */
1344 };
1345
1346 #define KVM_DEV_VFIO_GROUP 1
1347 #define KVM_DEV_VFIO_GROUP_ADD 1
1348 #define KVM_DEV_VFIO_GROUP_DEL 2
1349 #define KVM_DEV_VFIO_GROUP_SET_SPAPR_TCE 3
1350
1351 enum kvm_device_type {
1352 KVM_DEV_TYPE_FSL_MPIC_20 = 1,
1353 #define KVM_DEV_TYPE_FSL_MPIC_20 KVM_DEV_TYPE_FSL_MPIC_20
1354 KVM_DEV_TYPE_FSL_MPIC_42,
1355 #define KVM_DEV_TYPE_FSL_MPIC_42 KVM_DEV_TYPE_FSL_MPIC_42
1356 KVM_DEV_TYPE_XICS,
1357 #define KVM_DEV_TYPE_XICS KVM_DEV_TYPE_XICS
1358 KVM_DEV_TYPE_VFIO,
1359 #define KVM_DEV_TYPE_VFIO KVM_DEV_TYPE_VFIO
1360 KVM_DEV_TYPE_ARM_VGIC_V2,
1361 #define KVM_DEV_TYPE_ARM_VGIC_V2 KVM_DEV_TYPE_ARM_VGIC_V2
1362 KVM_DEV_TYPE_FLIC,
1363 #define KVM_DEV_TYPE_FLIC KVM_DEV_TYPE_FLIC
1364 KVM_DEV_TYPE_ARM_VGIC_V3,
1365 #define KVM_DEV_TYPE_ARM_VGIC_V3 KVM_DEV_TYPE_ARM_VGIC_V3
1366 KVM_DEV_TYPE_ARM_VGIC_ITS,
1367 #define KVM_DEV_TYPE_ARM_VGIC_ITS KVM_DEV_TYPE_ARM_VGIC_ITS
1368 KVM_DEV_TYPE_XIVE,
1369 #define KVM_DEV_TYPE_XIVE KVM_DEV_TYPE_XIVE
1370 KVM_DEV_TYPE_ARM_PV_TIME,
1371 #define KVM_DEV_TYPE_ARM_PV_TIME KVM_DEV_TYPE_ARM_PV_TIME
1372 KVM_DEV_TYPE_MAX,
1373 };
1374
1375 struct kvm_vfio_spapr_tce {
1376 __s32 groupfd;
1377 __s32 tablefd;
1378 };
1379
1380 /*
1381 * ioctls for VM fds
1382 */
1383 #define KVM_SET_MEMORY_REGION _IOW(KVMIO, 0x40, struct kvm_memory_region)
1384 /*
1385 * KVM_CREATE_VCPU receives as a parameter the vcpu slot, and returns
1386 * a vcpu fd.
1387 */
1388 #define KVM_CREATE_VCPU _IO(KVMIO, 0x41)
1389 #define KVM_GET_DIRTY_LOG _IOW(KVMIO, 0x42, struct kvm_dirty_log)
1390 /* KVM_SET_MEMORY_ALIAS is obsolete: */
1391 #define KVM_SET_MEMORY_ALIAS _IOW(KVMIO, 0x43, struct kvm_memory_alias)
1392 #define KVM_SET_NR_MMU_PAGES _IO(KVMIO, 0x44)
1393 #define KVM_GET_NR_MMU_PAGES _IO(KVMIO, 0x45)
1394 #define KVM_SET_USER_MEMORY_REGION _IOW(KVMIO, 0x46, \
1395 struct kvm_userspace_memory_region)
1396 #define KVM_SET_TSS_ADDR _IO(KVMIO, 0x47)
1397 #define KVM_SET_IDENTITY_MAP_ADDR _IOW(KVMIO, 0x48, __u64)
1398
1399 /* enable ucontrol for s390 */
1400 struct kvm_s390_ucas_mapping {
1401 __u64 user_addr;
1402 __u64 vcpu_addr;
1403 __u64 length;
1404 };
1405 #define KVM_S390_UCAS_MAP _IOW(KVMIO, 0x50, struct kvm_s390_ucas_mapping)
1406 #define KVM_S390_UCAS_UNMAP _IOW(KVMIO, 0x51, struct kvm_s390_ucas_mapping)
1407 #define KVM_S390_VCPU_FAULT _IOW(KVMIO, 0x52, unsigned long)
1408
1409 /* Device model IOC */
1410 #define KVM_CREATE_IRQCHIP _IO(KVMIO, 0x60)
1411 #define KVM_IRQ_LINE _IOW(KVMIO, 0x61, struct kvm_irq_level)
1412 #define KVM_GET_IRQCHIP _IOWR(KVMIO, 0x62, struct kvm_irqchip)
1413 #define KVM_SET_IRQCHIP _IOR(KVMIO, 0x63, struct kvm_irqchip)
1414 #define KVM_CREATE_PIT _IO(KVMIO, 0x64)
1415 #define KVM_GET_PIT _IOWR(KVMIO, 0x65, struct kvm_pit_state)
1416 #define KVM_SET_PIT _IOR(KVMIO, 0x66, struct kvm_pit_state)
1417 #define KVM_IRQ_LINE_STATUS _IOWR(KVMIO, 0x67, struct kvm_irq_level)
1418 #define KVM_REGISTER_COALESCED_MMIO \
1419 _IOW(KVMIO, 0x67, struct kvm_coalesced_mmio_zone)
1420 #define KVM_UNREGISTER_COALESCED_MMIO \
1421 _IOW(KVMIO, 0x68, struct kvm_coalesced_mmio_zone)
1422 #define KVM_ASSIGN_PCI_DEVICE _IOR(KVMIO, 0x69, \
1423 struct kvm_assigned_pci_dev)
1424 #define KVM_SET_GSI_ROUTING _IOW(KVMIO, 0x6a, struct kvm_irq_routing)
1425 /* deprecated, replaced by KVM_ASSIGN_DEV_IRQ */
1426 #define KVM_ASSIGN_IRQ __KVM_DEPRECATED_VM_R_0x70
1427 #define KVM_ASSIGN_DEV_IRQ _IOW(KVMIO, 0x70, struct kvm_assigned_irq)
1428 #define KVM_REINJECT_CONTROL _IO(KVMIO, 0x71)
1429 #define KVM_DEASSIGN_PCI_DEVICE _IOW(KVMIO, 0x72, \
1430 struct kvm_assigned_pci_dev)
1431 #define KVM_ASSIGN_SET_MSIX_NR _IOW(KVMIO, 0x73, \
1432 struct kvm_assigned_msix_nr)
1433 #define KVM_ASSIGN_SET_MSIX_ENTRY _IOW(KVMIO, 0x74, \
1434 struct kvm_assigned_msix_entry)
1435 #define KVM_DEASSIGN_DEV_IRQ _IOW(KVMIO, 0x75, struct kvm_assigned_irq)
1436 #define KVM_IRQFD _IOW(KVMIO, 0x76, struct kvm_irqfd)
1437 #define KVM_CREATE_PIT2 _IOW(KVMIO, 0x77, struct kvm_pit_config)
1438 #define KVM_SET_BOOT_CPU_ID _IO(KVMIO, 0x78)
1439 #define KVM_IOEVENTFD _IOW(KVMIO, 0x79, struct kvm_ioeventfd)
1440 #define KVM_XEN_HVM_CONFIG _IOW(KVMIO, 0x7a, struct kvm_xen_hvm_config)
1441 #define KVM_SET_CLOCK _IOW(KVMIO, 0x7b, struct kvm_clock_data)
1442 #define KVM_GET_CLOCK _IOR(KVMIO, 0x7c, struct kvm_clock_data)
1443 /* Available with KVM_CAP_PIT_STATE2 */
1444 #define KVM_GET_PIT2 _IOR(KVMIO, 0x9f, struct kvm_pit_state2)
1445 #define KVM_SET_PIT2 _IOW(KVMIO, 0xa0, struct kvm_pit_state2)
1446 /* Available with KVM_CAP_PPC_GET_PVINFO */
1447 #define KVM_PPC_GET_PVINFO _IOW(KVMIO, 0xa1, struct kvm_ppc_pvinfo)
1448 /* Available with KVM_CAP_TSC_CONTROL */
1449 #define KVM_SET_TSC_KHZ _IO(KVMIO, 0xa2)
1450 #define KVM_GET_TSC_KHZ _IO(KVMIO, 0xa3)
1451 /* Available with KVM_CAP_PCI_2_3 */
1452 #define KVM_ASSIGN_SET_INTX_MASK _IOW(KVMIO, 0xa4, \
1453 struct kvm_assigned_pci_dev)
1454 /* Available with KVM_CAP_SIGNAL_MSI */
1455 #define KVM_SIGNAL_MSI _IOW(KVMIO, 0xa5, struct kvm_msi)
1456 /* Available with KVM_CAP_PPC_GET_SMMU_INFO */
1457 #define KVM_PPC_GET_SMMU_INFO _IOR(KVMIO, 0xa6, struct kvm_ppc_smmu_info)
1458 /* Available with KVM_CAP_PPC_ALLOC_HTAB */
1459 #define KVM_PPC_ALLOCATE_HTAB _IOWR(KVMIO, 0xa7, __u32)
1460 #define KVM_CREATE_SPAPR_TCE _IOW(KVMIO, 0xa8, struct kvm_create_spapr_tce)
1461 #define KVM_CREATE_SPAPR_TCE_64 _IOW(KVMIO, 0xa8, \
1462 struct kvm_create_spapr_tce_64)
1463 /* Available with KVM_CAP_RMA */
1464 #define KVM_ALLOCATE_RMA _IOR(KVMIO, 0xa9, struct kvm_allocate_rma)
1465 /* Available with KVM_CAP_PPC_HTAB_FD */
1466 #define KVM_PPC_GET_HTAB_FD _IOW(KVMIO, 0xaa, struct kvm_get_htab_fd)
1467 /* Available with KVM_CAP_ARM_SET_DEVICE_ADDR */
1468 #define KVM_ARM_SET_DEVICE_ADDR _IOW(KVMIO, 0xab, struct kvm_arm_device_addr)
1469 /* Available with KVM_CAP_PPC_RTAS */
1470 #define KVM_PPC_RTAS_DEFINE_TOKEN _IOW(KVMIO, 0xac, struct kvm_rtas_token_args)
1471 /* Available with KVM_CAP_SPAPR_RESIZE_HPT */
1472 #define KVM_PPC_RESIZE_HPT_PREPARE _IOR(KVMIO, 0xad, struct kvm_ppc_resize_hpt)
1473 #define KVM_PPC_RESIZE_HPT_COMMIT _IOR(KVMIO, 0xae, struct kvm_ppc_resize_hpt)
1474 /* Available with KVM_CAP_PPC_RADIX_MMU or KVM_CAP_PPC_HASH_MMU_V3 */
1475 #define KVM_PPC_CONFIGURE_V3_MMU _IOW(KVMIO, 0xaf, struct kvm_ppc_mmuv3_cfg)
1476 /* Available with KVM_CAP_PPC_RADIX_MMU */
1477 #define KVM_PPC_GET_RMMU_INFO _IOW(KVMIO, 0xb0, struct kvm_ppc_rmmu_info)
1478 /* Available with KVM_CAP_PPC_GET_CPU_CHAR */
1479 #define KVM_PPC_GET_CPU_CHAR _IOR(KVMIO, 0xb1, struct kvm_ppc_cpu_char)
1480 /* Available with KVM_CAP_PMU_EVENT_FILTER */
1481 #define KVM_SET_PMU_EVENT_FILTER _IOW(KVMIO, 0xb2, struct kvm_pmu_event_filter)
1482 #define KVM_PPC_SVM_OFF _IO(KVMIO, 0xb3)
1483 #define KVM_ARM_MTE_COPY_TAGS _IOR(KVMIO, 0xb4, struct kvm_arm_copy_mte_tags)
1484
1485 /* ioctl for vm fd */
1486 #define KVM_CREATE_DEVICE _IOWR(KVMIO, 0xe0, struct kvm_create_device)
1487
1488 /* ioctls for fds returned by KVM_CREATE_DEVICE */
1489 #define KVM_SET_DEVICE_ATTR _IOW(KVMIO, 0xe1, struct kvm_device_attr)
1490 #define KVM_GET_DEVICE_ATTR _IOW(KVMIO, 0xe2, struct kvm_device_attr)
1491 #define KVM_HAS_DEVICE_ATTR _IOW(KVMIO, 0xe3, struct kvm_device_attr)
1492
1493 /*
1494 * ioctls for vcpu fds
1495 */
1496 #define KVM_RUN _IO(KVMIO, 0x80)
1497 #define KVM_GET_REGS _IOR(KVMIO, 0x81, struct kvm_regs)
1498 #define KVM_SET_REGS _IOW(KVMIO, 0x82, struct kvm_regs)
1499 #define KVM_GET_SREGS _IOR(KVMIO, 0x83, struct kvm_sregs)
1500 #define KVM_SET_SREGS _IOW(KVMIO, 0x84, struct kvm_sregs)
1501 #define KVM_TRANSLATE _IOWR(KVMIO, 0x85, struct kvm_translation)
1502 #define KVM_INTERRUPT _IOW(KVMIO, 0x86, struct kvm_interrupt)
1503 /* KVM_DEBUG_GUEST is no longer supported, use KVM_SET_GUEST_DEBUG instead */
1504 #define KVM_DEBUG_GUEST __KVM_DEPRECATED_VCPU_W_0x87
1505 #define KVM_GET_MSRS _IOWR(KVMIO, 0x88, struct kvm_msrs)
1506 #define KVM_SET_MSRS _IOW(KVMIO, 0x89, struct kvm_msrs)
1507 #define KVM_SET_CPUID _IOW(KVMIO, 0x8a, struct kvm_cpuid)
1508 #define KVM_SET_SIGNAL_MASK _IOW(KVMIO, 0x8b, struct kvm_signal_mask)
1509 #define KVM_GET_FPU _IOR(KVMIO, 0x8c, struct kvm_fpu)
1510 #define KVM_SET_FPU _IOW(KVMIO, 0x8d, struct kvm_fpu)
1511 #define KVM_GET_LAPIC _IOR(KVMIO, 0x8e, struct kvm_lapic_state)
1512 #define KVM_SET_LAPIC _IOW(KVMIO, 0x8f, struct kvm_lapic_state)
1513 #define KVM_SET_CPUID2 _IOW(KVMIO, 0x90, struct kvm_cpuid2)
1514 #define KVM_GET_CPUID2 _IOWR(KVMIO, 0x91, struct kvm_cpuid2)
1515 /* Available with KVM_CAP_VAPIC */
1516 #define KVM_TPR_ACCESS_REPORTING _IOWR(KVMIO, 0x92, struct kvm_tpr_access_ctl)
1517 /* Available with KVM_CAP_VAPIC */
1518 #define KVM_SET_VAPIC_ADDR _IOW(KVMIO, 0x93, struct kvm_vapic_addr)
1519 /* valid for virtual machine (for floating interrupt)_and_ vcpu */
1520 #define KVM_S390_INTERRUPT _IOW(KVMIO, 0x94, struct kvm_s390_interrupt)
1521 /* store status for s390 */
1522 #define KVM_S390_STORE_STATUS_NOADDR (-1ul)
1523 #define KVM_S390_STORE_STATUS_PREFIXED (-2ul)
1524 #define KVM_S390_STORE_STATUS _IOW(KVMIO, 0x95, unsigned long)
1525 /* initial ipl psw for s390 */
1526 #define KVM_S390_SET_INITIAL_PSW _IOW(KVMIO, 0x96, struct kvm_s390_psw)
1527 /* initial reset for s390 */
1528 #define KVM_S390_INITIAL_RESET _IO(KVMIO, 0x97)
1529 #define KVM_GET_MP_STATE _IOR(KVMIO, 0x98, struct kvm_mp_state)
1530 #define KVM_SET_MP_STATE _IOW(KVMIO, 0x99, struct kvm_mp_state)
1531 /* Available with KVM_CAP_USER_NMI */
1532 #define KVM_NMI _IO(KVMIO, 0x9a)
1533 /* Available with KVM_CAP_SET_GUEST_DEBUG */
1534 #define KVM_SET_GUEST_DEBUG _IOW(KVMIO, 0x9b, struct kvm_guest_debug)
1535 /* MCE for x86 */
1536 #define KVM_X86_SETUP_MCE _IOW(KVMIO, 0x9c, __u64)
1537 #define KVM_X86_GET_MCE_CAP_SUPPORTED _IOR(KVMIO, 0x9d, __u64)
1538 #define KVM_X86_SET_MCE _IOW(KVMIO, 0x9e, struct kvm_x86_mce)
1539 /* Available with KVM_CAP_VCPU_EVENTS */
1540 #define KVM_GET_VCPU_EVENTS _IOR(KVMIO, 0x9f, struct kvm_vcpu_events)
1541 #define KVM_SET_VCPU_EVENTS _IOW(KVMIO, 0xa0, struct kvm_vcpu_events)
1542 /* Available with KVM_CAP_DEBUGREGS */
1543 #define KVM_GET_DEBUGREGS _IOR(KVMIO, 0xa1, struct kvm_debugregs)
1544 #define KVM_SET_DEBUGREGS _IOW(KVMIO, 0xa2, struct kvm_debugregs)
1545 /*
1546 * vcpu version available with KVM_ENABLE_CAP
1547 * vm version available with KVM_CAP_ENABLE_CAP_VM
1548 */
1549 #define KVM_ENABLE_CAP _IOW(KVMIO, 0xa3, struct kvm_enable_cap)
1550 /* Available with KVM_CAP_XSAVE */
1551 #define KVM_GET_XSAVE _IOR(KVMIO, 0xa4, struct kvm_xsave)
1552 #define KVM_SET_XSAVE _IOW(KVMIO, 0xa5, struct kvm_xsave)
1553 /* Available with KVM_CAP_XCRS */
1554 #define KVM_GET_XCRS _IOR(KVMIO, 0xa6, struct kvm_xcrs)
1555 #define KVM_SET_XCRS _IOW(KVMIO, 0xa7, struct kvm_xcrs)
1556 /* Available with KVM_CAP_SW_TLB */
1557 #define KVM_DIRTY_TLB _IOW(KVMIO, 0xaa, struct kvm_dirty_tlb)
1558 /* Available with KVM_CAP_ONE_REG */
1559 #define KVM_GET_ONE_REG _IOW(KVMIO, 0xab, struct kvm_one_reg)
1560 #define KVM_SET_ONE_REG _IOW(KVMIO, 0xac, struct kvm_one_reg)
1561 /* VM is being stopped by host */
1562 #define KVM_KVMCLOCK_CTRL _IO(KVMIO, 0xad)
1563 #define KVM_ARM_VCPU_INIT _IOW(KVMIO, 0xae, struct kvm_vcpu_init)
1564 #define KVM_ARM_PREFERRED_TARGET _IOR(KVMIO, 0xaf, struct kvm_vcpu_init)
1565 #define KVM_GET_REG_LIST _IOWR(KVMIO, 0xb0, struct kvm_reg_list)
1566 /* Available with KVM_CAP_S390_MEM_OP */
1567 #define KVM_S390_MEM_OP _IOW(KVMIO, 0xb1, struct kvm_s390_mem_op)
1568 /* Available with KVM_CAP_S390_SKEYS */
1569 #define KVM_S390_GET_SKEYS _IOW(KVMIO, 0xb2, struct kvm_s390_skeys)
1570 #define KVM_S390_SET_SKEYS _IOW(KVMIO, 0xb3, struct kvm_s390_skeys)
1571 /* Available with KVM_CAP_S390_INJECT_IRQ */
1572 #define KVM_S390_IRQ _IOW(KVMIO, 0xb4, struct kvm_s390_irq)
1573 /* Available with KVM_CAP_S390_IRQ_STATE */
1574 #define KVM_S390_SET_IRQ_STATE _IOW(KVMIO, 0xb5, struct kvm_s390_irq_state)
1575 #define KVM_S390_GET_IRQ_STATE _IOW(KVMIO, 0xb6, struct kvm_s390_irq_state)
1576 /* Available with KVM_CAP_X86_SMM */
1577 #define KVM_SMI _IO(KVMIO, 0xb7)
1578 /* Available with KVM_CAP_S390_CMMA_MIGRATION */
1579 #define KVM_S390_GET_CMMA_BITS _IOWR(KVMIO, 0xb8, struct kvm_s390_cmma_log)
1580 #define KVM_S390_SET_CMMA_BITS _IOW(KVMIO, 0xb9, struct kvm_s390_cmma_log)
1581 /* Memory Encryption Commands */
1582 #define KVM_MEMORY_ENCRYPT_OP _IOWR(KVMIO, 0xba, unsigned long)
1583
1584 struct kvm_enc_region {
1585 __u64 addr;
1586 __u64 size;
1587 };
1588
1589 #define KVM_MEMORY_ENCRYPT_REG_REGION _IOR(KVMIO, 0xbb, struct kvm_enc_region)
1590 #define KVM_MEMORY_ENCRYPT_UNREG_REGION _IOR(KVMIO, 0xbc, struct kvm_enc_region)
1591
1592 /* Available with KVM_CAP_HYPERV_EVENTFD */
1593 #define KVM_HYPERV_EVENTFD _IOW(KVMIO, 0xbd, struct kvm_hyperv_eventfd)
1594
1595 /* Available with KVM_CAP_NESTED_STATE */
1596 #define KVM_GET_NESTED_STATE _IOWR(KVMIO, 0xbe, struct kvm_nested_state)
1597 #define KVM_SET_NESTED_STATE _IOW(KVMIO, 0xbf, struct kvm_nested_state)
1598
1599 /* Available with KVM_CAP_MANUAL_DIRTY_LOG_PROTECT_2 */
1600 #define KVM_CLEAR_DIRTY_LOG _IOWR(KVMIO, 0xc0, struct kvm_clear_dirty_log)
1601
1602 /* Available with KVM_CAP_HYPERV_CPUID (vcpu) / KVM_CAP_SYS_HYPERV_CPUID (system) */
1603 #define KVM_GET_SUPPORTED_HV_CPUID _IOWR(KVMIO, 0xc1, struct kvm_cpuid2)
1604
1605 /* Available with KVM_CAP_ARM_SVE */
1606 #define KVM_ARM_VCPU_FINALIZE _IOW(KVMIO, 0xc2, int)
1607
1608 /* Available with KVM_CAP_S390_VCPU_RESETS */
1609 #define KVM_S390_NORMAL_RESET _IO(KVMIO, 0xc3)
1610 #define KVM_S390_CLEAR_RESET _IO(KVMIO, 0xc4)
1611
1612 struct kvm_s390_pv_sec_parm {
1613 __u64 origin;
1614 __u64 length;
1615 };
1616
1617 struct kvm_s390_pv_unp {
1618 __u64 addr;
1619 __u64 size;
1620 __u64 tweak;
1621 };
1622
1623 enum pv_cmd_id {
1624 KVM_PV_ENABLE,
1625 KVM_PV_DISABLE,
1626 KVM_PV_SET_SEC_PARMS,
1627 KVM_PV_UNPACK,
1628 KVM_PV_VERIFY,
1629 KVM_PV_PREP_RESET,
1630 KVM_PV_UNSHARE_ALL,
1631 };
1632
1633 struct kvm_pv_cmd {
1634 __u32 cmd; /* Command to be executed */
1635 __u16 rc; /* Ultravisor return code */
1636 __u16 rrc; /* Ultravisor return reason code */
1637 __u64 data; /* Data or address */
1638 __u32 flags; /* flags for future extensions. Must be 0 for now */
1639 __u32 reserved[3];
1640 };
1641
1642 /* Available with KVM_CAP_S390_PROTECTED */
1643 #define KVM_S390_PV_COMMAND _IOWR(KVMIO, 0xc5, struct kvm_pv_cmd)
1644
1645 /* Available with KVM_CAP_X86_MSR_FILTER */
1646 #define KVM_X86_SET_MSR_FILTER _IOW(KVMIO, 0xc6, struct kvm_msr_filter)
1647
1648 /* Available with KVM_CAP_DIRTY_LOG_RING */
1649 #define KVM_RESET_DIRTY_RINGS _IO(KVMIO, 0xc7)
1650
1651 /* Per-VM Xen attributes */
1652 #define KVM_XEN_HVM_GET_ATTR _IOWR(KVMIO, 0xc8, struct kvm_xen_hvm_attr)
1653 #define KVM_XEN_HVM_SET_ATTR _IOW(KVMIO, 0xc9, struct kvm_xen_hvm_attr)
1654
1655 struct kvm_xen_hvm_attr {
1656 __u16 type;
1657 __u16 pad[3];
1658 union {
1659 __u8 long_mode;
1660 __u8 vector;
1661 struct {
1662 __u64 gfn;
1663 } shared_info;
1664 __u64 pad[8];
1665 } u;
1666 };
1667
1668 /* Available with KVM_CAP_XEN_HVM / KVM_XEN_HVM_CONFIG_SHARED_INFO */
1669 #define KVM_XEN_ATTR_TYPE_LONG_MODE 0x0
1670 #define KVM_XEN_ATTR_TYPE_SHARED_INFO 0x1
1671 #define KVM_XEN_ATTR_TYPE_UPCALL_VECTOR 0x2
1672
1673 /* Per-vCPU Xen attributes */
1674 #define KVM_XEN_VCPU_GET_ATTR _IOWR(KVMIO, 0xca, struct kvm_xen_vcpu_attr)
1675 #define KVM_XEN_VCPU_SET_ATTR _IOW(KVMIO, 0xcb, struct kvm_xen_vcpu_attr)
1676
1677 #define KVM_GET_SREGS2 _IOR(KVMIO, 0xcc, struct kvm_sregs2)
1678 #define KVM_SET_SREGS2 _IOW(KVMIO, 0xcd, struct kvm_sregs2)
1679
1680 struct kvm_xen_vcpu_attr {
1681 __u16 type;
1682 __u16 pad[3];
1683 union {
1684 __u64 gpa;
1685 __u64 pad[8];
1686 struct {
1687 __u64 state;
1688 __u64 state_entry_time;
1689 __u64 time_running;
1690 __u64 time_runnable;
1691 __u64 time_blocked;
1692 __u64 time_offline;
1693 } runstate;
1694 } u;
1695 };
1696
1697 /* Available with KVM_CAP_XEN_HVM / KVM_XEN_HVM_CONFIG_SHARED_INFO */
1698 #define KVM_XEN_VCPU_ATTR_TYPE_VCPU_INFO 0x0
1699 #define KVM_XEN_VCPU_ATTR_TYPE_VCPU_TIME_INFO 0x1
1700 #define KVM_XEN_VCPU_ATTR_TYPE_RUNSTATE_ADDR 0x2
1701 #define KVM_XEN_VCPU_ATTR_TYPE_RUNSTATE_CURRENT 0x3
1702 #define KVM_XEN_VCPU_ATTR_TYPE_RUNSTATE_DATA 0x4
1703 #define KVM_XEN_VCPU_ATTR_TYPE_RUNSTATE_ADJUST 0x5
1704
1705 /* Secure Encrypted Virtualization command */
1706 enum sev_cmd_id {
1707 /* Guest initialization commands */
1708 KVM_SEV_INIT = 0,
1709 KVM_SEV_ES_INIT,
1710 /* Guest launch commands */
1711 KVM_SEV_LAUNCH_START,
1712 KVM_SEV_LAUNCH_UPDATE_DATA,
1713 KVM_SEV_LAUNCH_UPDATE_VMSA,
1714 KVM_SEV_LAUNCH_SECRET,
1715 KVM_SEV_LAUNCH_MEASURE,
1716 KVM_SEV_LAUNCH_FINISH,
1717 /* Guest migration commands (outgoing) */
1718 KVM_SEV_SEND_START,
1719 KVM_SEV_SEND_UPDATE_DATA,
1720 KVM_SEV_SEND_UPDATE_VMSA,
1721 KVM_SEV_SEND_FINISH,
1722 /* Guest migration commands (incoming) */
1723 KVM_SEV_RECEIVE_START,
1724 KVM_SEV_RECEIVE_UPDATE_DATA,
1725 KVM_SEV_RECEIVE_UPDATE_VMSA,
1726 KVM_SEV_RECEIVE_FINISH,
1727 /* Guest status and debug commands */
1728 KVM_SEV_GUEST_STATUS,
1729 KVM_SEV_DBG_DECRYPT,
1730 KVM_SEV_DBG_ENCRYPT,
1731 /* Guest certificates commands */
1732 KVM_SEV_CERT_EXPORT,
1733 /* Attestation report */
1734 KVM_SEV_GET_ATTESTATION_REPORT,
1735 /* Guest Migration Extension */
1736 KVM_SEV_SEND_CANCEL,
1737
1738 KVM_SEV_NR_MAX,
1739 };
1740
1741 struct kvm_sev_cmd {
1742 __u32 id;
1743 __u64 data;
1744 __u32 error;
1745 __u32 sev_fd;
1746 };
1747
1748 struct kvm_sev_launch_start {
1749 __u32 handle;
1750 __u32 policy;
1751 __u64 dh_uaddr;
1752 __u32 dh_len;
1753 __u64 session_uaddr;
1754 __u32 session_len;
1755 };
1756
1757 struct kvm_sev_launch_update_data {
1758 __u64 uaddr;
1759 __u32 len;
1760 };
1761
1762
1763 struct kvm_sev_launch_secret {
1764 __u64 hdr_uaddr;
1765 __u32 hdr_len;
1766 __u64 guest_uaddr;
1767 __u32 guest_len;
1768 __u64 trans_uaddr;
1769 __u32 trans_len;
1770 };
1771
1772 struct kvm_sev_launch_measure {
1773 __u64 uaddr;
1774 __u32 len;
1775 };
1776
1777 struct kvm_sev_guest_status {
1778 __u32 handle;
1779 __u32 policy;
1780 __u32 state;
1781 };
1782
1783 struct kvm_sev_dbg {
1784 __u64 src_uaddr;
1785 __u64 dst_uaddr;
1786 __u32 len;
1787 };
1788
1789 struct kvm_sev_attestation_report {
1790 __u8 mnonce[16];
1791 __u64 uaddr;
1792 __u32 len;
1793 };
1794
1795 struct kvm_sev_send_start {
1796 __u32 policy;
1797 __u64 pdh_cert_uaddr;
1798 __u32 pdh_cert_len;
1799 __u64 plat_certs_uaddr;
1800 __u32 plat_certs_len;
1801 __u64 amd_certs_uaddr;
1802 __u32 amd_certs_len;
1803 __u64 session_uaddr;
1804 __u32 session_len;
1805 };
1806
1807 struct kvm_sev_send_update_data {
1808 __u64 hdr_uaddr;
1809 __u32 hdr_len;
1810 __u64 guest_uaddr;
1811 __u32 guest_len;
1812 __u64 trans_uaddr;
1813 __u32 trans_len;
1814 };
1815
1816 struct kvm_sev_receive_start {
1817 __u32 handle;
1818 __u32 policy;
1819 __u64 pdh_uaddr;
1820 __u32 pdh_len;
1821 __u64 session_uaddr;
1822 __u32 session_len;
1823 };
1824
1825 struct kvm_sev_receive_update_data {
1826 __u64 hdr_uaddr;
1827 __u32 hdr_len;
1828 __u64 guest_uaddr;
1829 __u32 guest_len;
1830 __u64 trans_uaddr;
1831 __u32 trans_len;
1832 };
1833
1834 #define KVM_DEV_ASSIGN_ENABLE_IOMMU (1 << 0)
1835 #define KVM_DEV_ASSIGN_PCI_2_3 (1 << 1)
1836 #define KVM_DEV_ASSIGN_MASK_INTX (1 << 2)
1837
1838 struct kvm_assigned_pci_dev {
1839 __u32 assigned_dev_id;
1840 __u32 busnr;
1841 __u32 devfn;
1842 __u32 flags;
1843 __u32 segnr;
1844 union {
1845 __u32 reserved[11];
1846 };
1847 };
1848
1849 #define KVM_DEV_IRQ_HOST_INTX (1 << 0)
1850 #define KVM_DEV_IRQ_HOST_MSI (1 << 1)
1851 #define KVM_DEV_IRQ_HOST_MSIX (1 << 2)
1852
1853 #define KVM_DEV_IRQ_GUEST_INTX (1 << 8)
1854 #define KVM_DEV_IRQ_GUEST_MSI (1 << 9)
1855 #define KVM_DEV_IRQ_GUEST_MSIX (1 << 10)
1856
1857 #define KVM_DEV_IRQ_HOST_MASK 0x00ff
1858 #define KVM_DEV_IRQ_GUEST_MASK 0xff00
1859
1860 struct kvm_assigned_irq {
1861 __u32 assigned_dev_id;
1862 __u32 host_irq; /* ignored (legacy field) */
1863 __u32 guest_irq;
1864 __u32 flags;
1865 union {
1866 __u32 reserved[12];
1867 };
1868 };
1869
1870 struct kvm_assigned_msix_nr {
1871 __u32 assigned_dev_id;
1872 __u16 entry_nr;
1873 __u16 padding;
1874 };
1875
1876 #define KVM_MAX_MSIX_PER_DEV 256
1877 struct kvm_assigned_msix_entry {
1878 __u32 assigned_dev_id;
1879 __u32 gsi;
1880 __u16 entry; /* The index of entry in the MSI-X table */
1881 __u16 padding[3];
1882 };
1883
1884 #define KVM_X2APIC_API_USE_32BIT_IDS (1ULL << 0)
1885 #define KVM_X2APIC_API_DISABLE_BROADCAST_QUIRK (1ULL << 1)
1886
1887 /* Available with KVM_CAP_ARM_USER_IRQ */
1888
1889 /* Bits for run->s.regs.device_irq_level */
1890 #define KVM_ARM_DEV_EL1_VTIMER (1 << 0)
1891 #define KVM_ARM_DEV_EL1_PTIMER (1 << 1)
1892 #define KVM_ARM_DEV_PMU (1 << 2)
1893
1894 struct kvm_hyperv_eventfd {
1895 __u32 conn_id;
1896 __s32 fd;
1897 __u32 flags;
1898 __u32 padding[3];
1899 };
1900
1901 #define KVM_HYPERV_CONN_ID_MASK 0x00ffffff
1902 #define KVM_HYPERV_EVENTFD_DEASSIGN (1 << 0)
1903
1904 #define KVM_DIRTY_LOG_MANUAL_PROTECT_ENABLE (1 << 0)
1905 #define KVM_DIRTY_LOG_INITIALLY_SET (1 << 1)
1906
1907 /*
1908 * Arch needs to define the macro after implementing the dirty ring
1909 * feature. KVM_DIRTY_LOG_PAGE_OFFSET should be defined as the
1910 * starting page offset of the dirty ring structures.
1911 */
1912 #ifndef KVM_DIRTY_LOG_PAGE_OFFSET
1913 #define KVM_DIRTY_LOG_PAGE_OFFSET 0
1914 #endif
1915
1916 /*
1917 * KVM dirty GFN flags, defined as:
1918 *
1919 * |---------------+---------------+--------------|
1920 * | bit 1 (reset) | bit 0 (dirty) | Status |
1921 * |---------------+---------------+--------------|
1922 * | 0 | 0 | Invalid GFN |
1923 * | 0 | 1 | Dirty GFN |
1924 * | 1 | X | GFN to reset |
1925 * |---------------+---------------+--------------|
1926 *
1927 * Lifecycle of a dirty GFN goes like:
1928 *
1929 * dirtied harvested reset
1930 * 00 -----------> 01 -------------> 1X -------+
1931 * ^ |
1932 * | |
1933 * +------------------------------------------+
1934 *
1935 * The userspace program is only responsible for the 01->1X state
1936 * conversion after harvesting an entry. Also, it must not skip any
1937 * dirty bits, so that dirty bits are always harvested in sequence.
1938 */
1939 #define KVM_DIRTY_GFN_F_DIRTY _BITUL(0)
1940 #define KVM_DIRTY_GFN_F_RESET _BITUL(1)
1941 #define KVM_DIRTY_GFN_F_MASK 0x3
1942
1943 /*
1944 * KVM dirty rings should be mapped at KVM_DIRTY_LOG_PAGE_OFFSET of
1945 * per-vcpu mmaped regions as an array of struct kvm_dirty_gfn. The
1946 * size of the gfn buffer is decided by the first argument when
1947 * enabling KVM_CAP_DIRTY_LOG_RING.
1948 */
1949 struct kvm_dirty_gfn {
1950 __u32 flags;
1951 __u32 slot;
1952 __u64 offset;
1953 };
1954
1955 #define KVM_BUS_LOCK_DETECTION_OFF (1 << 0)
1956 #define KVM_BUS_LOCK_DETECTION_EXIT (1 << 1)
1957
1958 /**
1959 * struct kvm_stats_header - Header of per vm/vcpu binary statistics data.
1960 * @flags: Some extra information for header, always 0 for now.
1961 * @name_size: The size in bytes of the memory which contains statistics
1962 * name string including trailing '\0'. The memory is allocated
1963 * at the send of statistics descriptor.
1964 * @num_desc: The number of statistics the vm or vcpu has.
1965 * @id_offset: The offset of the vm/vcpu stats' id string in the file pointed
1966 * by vm/vcpu stats fd.
1967 * @desc_offset: The offset of the vm/vcpu stats' descriptor block in the file
1968 * pointd by vm/vcpu stats fd.
1969 * @data_offset: The offset of the vm/vcpu stats' data block in the file
1970 * pointed by vm/vcpu stats fd.
1971 *
1972 * This is the header userspace needs to read from stats fd before any other
1973 * readings. It is used by userspace to discover all the information about the
1974 * vm/vcpu's binary statistics.
1975 * Userspace reads this header from the start of the vm/vcpu's stats fd.
1976 */
1977 struct kvm_stats_header {
1978 __u32 flags;
1979 __u32 name_size;
1980 __u32 num_desc;
1981 __u32 id_offset;
1982 __u32 desc_offset;
1983 __u32 data_offset;
1984 };
1985
1986 #define KVM_STATS_TYPE_SHIFT 0
1987 #define KVM_STATS_TYPE_MASK (0xF << KVM_STATS_TYPE_SHIFT)
1988 #define KVM_STATS_TYPE_CUMULATIVE (0x0 << KVM_STATS_TYPE_SHIFT)
1989 #define KVM_STATS_TYPE_INSTANT (0x1 << KVM_STATS_TYPE_SHIFT)
1990 #define KVM_STATS_TYPE_PEAK (0x2 << KVM_STATS_TYPE_SHIFT)
1991 #define KVM_STATS_TYPE_LINEAR_HIST (0x3 << KVM_STATS_TYPE_SHIFT)
1992 #define KVM_STATS_TYPE_LOG_HIST (0x4 << KVM_STATS_TYPE_SHIFT)
1993 #define KVM_STATS_TYPE_MAX KVM_STATS_TYPE_LOG_HIST
1994
1995 #define KVM_STATS_UNIT_SHIFT 4
1996 #define KVM_STATS_UNIT_MASK (0xF << KVM_STATS_UNIT_SHIFT)
1997 #define KVM_STATS_UNIT_NONE (0x0 << KVM_STATS_UNIT_SHIFT)
1998 #define KVM_STATS_UNIT_BYTES (0x1 << KVM_STATS_UNIT_SHIFT)
1999 #define KVM_STATS_UNIT_SECONDS (0x2 << KVM_STATS_UNIT_SHIFT)
2000 #define KVM_STATS_UNIT_CYCLES (0x3 << KVM_STATS_UNIT_SHIFT)
2001 #define KVM_STATS_UNIT_MAX KVM_STATS_UNIT_CYCLES
2002
2003 #define KVM_STATS_BASE_SHIFT 8
2004 #define KVM_STATS_BASE_MASK (0xF << KVM_STATS_BASE_SHIFT)
2005 #define KVM_STATS_BASE_POW10 (0x0 << KVM_STATS_BASE_SHIFT)
2006 #define KVM_STATS_BASE_POW2 (0x1 << KVM_STATS_BASE_SHIFT)
2007 #define KVM_STATS_BASE_MAX KVM_STATS_BASE_POW2
2008
2009 /**
2010 * struct kvm_stats_desc - Descriptor of a KVM statistics.
2011 * @flags: Annotations of the stats, like type, unit, etc.
2012 * @exponent: Used together with @flags to determine the unit.
2013 * @size: The number of data items for this stats.
2014 * Every data item is of type __u64.
2015 * @offset: The offset of the stats to the start of stat structure in
2016 * structure kvm or kvm_vcpu.
2017 * @bucket_size: A parameter value used for histogram stats. It is only used
2018 * for linear histogram stats, specifying the size of the bucket;
2019 * @name: The name string for the stats. Its size is indicated by the
2020 * &kvm_stats_header->name_size.
2021 */
2022 struct kvm_stats_desc {
2023 __u32 flags;
2024 __s16 exponent;
2025 __u16 size;
2026 __u32 offset;
2027 __u32 bucket_size;
2028 char name[];
2029 };
2030
2031 #define KVM_GET_STATS_FD _IO(KVMIO, 0xce)
2032
2033 #endif /* __LINUX_KVM_H */
AR7 emulation for QEMU