Add G_GNUC_PRINTF to function qemu_set_info_str and fix related issues
[qemu.git] / linux-headers / linux / kvm.h
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 __u32 ndata;
449 union {
450 __u64 flags;
451 __u64 data[16];
452 };
453 } system_event;
454 /* KVM_EXIT_S390_STSI */
455 struct {
456 __u64 addr;
457 __u8 ar;
458 __u8 reserved;
459 __u8 fc;
460 __u8 sel1;
461 __u16 sel2;
462 } s390_stsi;
463 /* KVM_EXIT_IOAPIC_EOI */
464 struct {
465 __u8 vector;
466 } eoi;
467 /* KVM_EXIT_HYPERV */
468 struct kvm_hyperv_exit hyperv;
469 /* KVM_EXIT_ARM_NISV */
470 struct {
471 __u64 esr_iss;
472 __u64 fault_ipa;
473 } arm_nisv;
474 /* KVM_EXIT_X86_RDMSR / KVM_EXIT_X86_WRMSR */
475 struct {
476 __u8 error; /* user -> kernel */
477 __u8 pad[7];
478 #define KVM_MSR_EXIT_REASON_INVAL (1 << 0)
479 #define KVM_MSR_EXIT_REASON_UNKNOWN (1 << 1)
480 #define KVM_MSR_EXIT_REASON_FILTER (1 << 2)
481 __u32 reason; /* kernel -> user */
482 __u32 index; /* kernel -> user */
483 __u64 data; /* kernel <-> user */
484 } msr;
485 /* KVM_EXIT_XEN */
486 struct kvm_xen_exit xen;
487 /* KVM_EXIT_RISCV_SBI */
488 struct {
489 unsigned long extension_id;
490 unsigned long function_id;
491 unsigned long args[6];
492 unsigned long ret[2];
493 } riscv_sbi;
494 /* Fix the size of the union. */
495 char padding[256];
496 };
497
498 /* 2048 is the size of the char array used to bound/pad the size
499 * of the union that holds sync regs.
500 */
501 #define SYNC_REGS_SIZE_BYTES 2048
502 /*
503 * shared registers between kvm and userspace.
504 * kvm_valid_regs specifies the register classes set by the host
505 * kvm_dirty_regs specified the register classes dirtied by userspace
506 * struct kvm_sync_regs is architecture specific, as well as the
507 * bits for kvm_valid_regs and kvm_dirty_regs
508 */
509 __u64 kvm_valid_regs;
510 __u64 kvm_dirty_regs;
511 union {
512 struct kvm_sync_regs regs;
513 char padding[SYNC_REGS_SIZE_BYTES];
514 } s;
515 };
516
517 /* for KVM_REGISTER_COALESCED_MMIO / KVM_UNREGISTER_COALESCED_MMIO */
518
519 struct kvm_coalesced_mmio_zone {
520 __u64 addr;
521 __u32 size;
522 union {
523 __u32 pad;
524 __u32 pio;
525 };
526 };
527
528 struct kvm_coalesced_mmio {
529 __u64 phys_addr;
530 __u32 len;
531 union {
532 __u32 pad;
533 __u32 pio;
534 };
535 __u8 data[8];
536 };
537
538 struct kvm_coalesced_mmio_ring {
539 __u32 first, last;
540 struct kvm_coalesced_mmio coalesced_mmio[0];
541 };
542
543 #define KVM_COALESCED_MMIO_MAX \
544 ((PAGE_SIZE - sizeof(struct kvm_coalesced_mmio_ring)) / \
545 sizeof(struct kvm_coalesced_mmio))
546
547 /* for KVM_TRANSLATE */
548 struct kvm_translation {
549 /* in */
550 __u64 linear_address;
551
552 /* out */
553 __u64 physical_address;
554 __u8 valid;
555 __u8 writeable;
556 __u8 usermode;
557 __u8 pad[5];
558 };
559
560 /* for KVM_S390_MEM_OP */
561 struct kvm_s390_mem_op {
562 /* in */
563 __u64 gaddr; /* the guest address */
564 __u64 flags; /* flags */
565 __u32 size; /* amount of bytes */
566 __u32 op; /* type of operation */
567 __u64 buf; /* buffer in userspace */
568 union {
569 struct {
570 __u8 ar; /* the access register number */
571 __u8 key; /* access key, ignored if flag unset */
572 };
573 __u32 sida_offset; /* offset into the sida */
574 __u8 reserved[32]; /* ignored */
575 };
576 };
577 /* types for kvm_s390_mem_op->op */
578 #define KVM_S390_MEMOP_LOGICAL_READ 0
579 #define KVM_S390_MEMOP_LOGICAL_WRITE 1
580 #define KVM_S390_MEMOP_SIDA_READ 2
581 #define KVM_S390_MEMOP_SIDA_WRITE 3
582 #define KVM_S390_MEMOP_ABSOLUTE_READ 4
583 #define KVM_S390_MEMOP_ABSOLUTE_WRITE 5
584 /* flags for kvm_s390_mem_op->flags */
585 #define KVM_S390_MEMOP_F_CHECK_ONLY (1ULL << 0)
586 #define KVM_S390_MEMOP_F_INJECT_EXCEPTION (1ULL << 1)
587 #define KVM_S390_MEMOP_F_SKEY_PROTECTION (1ULL << 2)
588
589 /* for KVM_INTERRUPT */
590 struct kvm_interrupt {
591 /* in */
592 __u32 irq;
593 };
594
595 /* for KVM_GET_DIRTY_LOG */
596 struct kvm_dirty_log {
597 __u32 slot;
598 __u32 padding1;
599 union {
600 void *dirty_bitmap; /* one bit per page */
601 __u64 padding2;
602 };
603 };
604
605 /* for KVM_CLEAR_DIRTY_LOG */
606 struct kvm_clear_dirty_log {
607 __u32 slot;
608 __u32 num_pages;
609 __u64 first_page;
610 union {
611 void *dirty_bitmap; /* one bit per page */
612 __u64 padding2;
613 };
614 };
615
616 /* for KVM_SET_SIGNAL_MASK */
617 struct kvm_signal_mask {
618 __u32 len;
619 __u8 sigset[0];
620 };
621
622 /* for KVM_TPR_ACCESS_REPORTING */
623 struct kvm_tpr_access_ctl {
624 __u32 enabled;
625 __u32 flags;
626 __u32 reserved[8];
627 };
628
629 /* for KVM_SET_VAPIC_ADDR */
630 struct kvm_vapic_addr {
631 __u64 vapic_addr;
632 };
633
634 /* for KVM_SET_MP_STATE */
635
636 /* not all states are valid on all architectures */
637 #define KVM_MP_STATE_RUNNABLE 0
638 #define KVM_MP_STATE_UNINITIALIZED 1
639 #define KVM_MP_STATE_INIT_RECEIVED 2
640 #define KVM_MP_STATE_HALTED 3
641 #define KVM_MP_STATE_SIPI_RECEIVED 4
642 #define KVM_MP_STATE_STOPPED 5
643 #define KVM_MP_STATE_CHECK_STOP 6
644 #define KVM_MP_STATE_OPERATING 7
645 #define KVM_MP_STATE_LOAD 8
646 #define KVM_MP_STATE_AP_RESET_HOLD 9
647
648 struct kvm_mp_state {
649 __u32 mp_state;
650 };
651
652 struct kvm_s390_psw {
653 __u64 mask;
654 __u64 addr;
655 };
656
657 /* valid values for type in kvm_s390_interrupt */
658 #define KVM_S390_SIGP_STOP 0xfffe0000u
659 #define KVM_S390_PROGRAM_INT 0xfffe0001u
660 #define KVM_S390_SIGP_SET_PREFIX 0xfffe0002u
661 #define KVM_S390_RESTART 0xfffe0003u
662 #define KVM_S390_INT_PFAULT_INIT 0xfffe0004u
663 #define KVM_S390_INT_PFAULT_DONE 0xfffe0005u
664 #define KVM_S390_MCHK 0xfffe1000u
665 #define KVM_S390_INT_CLOCK_COMP 0xffff1004u
666 #define KVM_S390_INT_CPU_TIMER 0xffff1005u
667 #define KVM_S390_INT_VIRTIO 0xffff2603u
668 #define KVM_S390_INT_SERVICE 0xffff2401u
669 #define KVM_S390_INT_EMERGENCY 0xffff1201u
670 #define KVM_S390_INT_EXTERNAL_CALL 0xffff1202u
671 /* Anything below 0xfffe0000u is taken by INT_IO */
672 #define KVM_S390_INT_IO(ai,cssid,ssid,schid) \
673 (((schid)) | \
674 ((ssid) << 16) | \
675 ((cssid) << 18) | \
676 ((ai) << 26))
677 #define KVM_S390_INT_IO_MIN 0x00000000u
678 #define KVM_S390_INT_IO_MAX 0xfffdffffu
679 #define KVM_S390_INT_IO_AI_MASK 0x04000000u
680
681
682 struct kvm_s390_interrupt {
683 __u32 type;
684 __u32 parm;
685 __u64 parm64;
686 };
687
688 struct kvm_s390_io_info {
689 __u16 subchannel_id;
690 __u16 subchannel_nr;
691 __u32 io_int_parm;
692 __u32 io_int_word;
693 };
694
695 struct kvm_s390_ext_info {
696 __u32 ext_params;
697 __u32 pad;
698 __u64 ext_params2;
699 };
700
701 struct kvm_s390_pgm_info {
702 __u64 trans_exc_code;
703 __u64 mon_code;
704 __u64 per_address;
705 __u32 data_exc_code;
706 __u16 code;
707 __u16 mon_class_nr;
708 __u8 per_code;
709 __u8 per_atmid;
710 __u8 exc_access_id;
711 __u8 per_access_id;
712 __u8 op_access_id;
713 #define KVM_S390_PGM_FLAGS_ILC_VALID 0x01
714 #define KVM_S390_PGM_FLAGS_ILC_0 0x02
715 #define KVM_S390_PGM_FLAGS_ILC_1 0x04
716 #define KVM_S390_PGM_FLAGS_ILC_MASK 0x06
717 #define KVM_S390_PGM_FLAGS_NO_REWIND 0x08
718 __u8 flags;
719 __u8 pad[2];
720 };
721
722 struct kvm_s390_prefix_info {
723 __u32 address;
724 };
725
726 struct kvm_s390_extcall_info {
727 __u16 code;
728 };
729
730 struct kvm_s390_emerg_info {
731 __u16 code;
732 };
733
734 #define KVM_S390_STOP_FLAG_STORE_STATUS 0x01
735 struct kvm_s390_stop_info {
736 __u32 flags;
737 };
738
739 struct kvm_s390_mchk_info {
740 __u64 cr14;
741 __u64 mcic;
742 __u64 failing_storage_address;
743 __u32 ext_damage_code;
744 __u32 pad;
745 __u8 fixed_logout[16];
746 };
747
748 struct kvm_s390_irq {
749 __u64 type;
750 union {
751 struct kvm_s390_io_info io;
752 struct kvm_s390_ext_info ext;
753 struct kvm_s390_pgm_info pgm;
754 struct kvm_s390_emerg_info emerg;
755 struct kvm_s390_extcall_info extcall;
756 struct kvm_s390_prefix_info prefix;
757 struct kvm_s390_stop_info stop;
758 struct kvm_s390_mchk_info mchk;
759 char reserved[64];
760 } u;
761 };
762
763 struct kvm_s390_irq_state {
764 __u64 buf;
765 __u32 flags; /* will stay unused for compatibility reasons */
766 __u32 len;
767 __u32 reserved[4]; /* will stay unused for compatibility reasons */
768 };
769
770 /* for KVM_SET_GUEST_DEBUG */
771
772 #define KVM_GUESTDBG_ENABLE 0x00000001
773 #define KVM_GUESTDBG_SINGLESTEP 0x00000002
774
775 struct kvm_guest_debug {
776 __u32 control;
777 __u32 pad;
778 struct kvm_guest_debug_arch arch;
779 };
780
781 enum {
782 kvm_ioeventfd_flag_nr_datamatch,
783 kvm_ioeventfd_flag_nr_pio,
784 kvm_ioeventfd_flag_nr_deassign,
785 kvm_ioeventfd_flag_nr_virtio_ccw_notify,
786 kvm_ioeventfd_flag_nr_fast_mmio,
787 kvm_ioeventfd_flag_nr_max,
788 };
789
790 #define KVM_IOEVENTFD_FLAG_DATAMATCH (1 << kvm_ioeventfd_flag_nr_datamatch)
791 #define KVM_IOEVENTFD_FLAG_PIO (1 << kvm_ioeventfd_flag_nr_pio)
792 #define KVM_IOEVENTFD_FLAG_DEASSIGN (1 << kvm_ioeventfd_flag_nr_deassign)
793 #define KVM_IOEVENTFD_FLAG_VIRTIO_CCW_NOTIFY \
794 (1 << kvm_ioeventfd_flag_nr_virtio_ccw_notify)
795
796 #define KVM_IOEVENTFD_VALID_FLAG_MASK ((1 << kvm_ioeventfd_flag_nr_max) - 1)
797
798 struct kvm_ioeventfd {
799 __u64 datamatch;
800 __u64 addr; /* legal pio/mmio address */
801 __u32 len; /* 1, 2, 4, or 8 bytes; or 0 to ignore length */
802 __s32 fd;
803 __u32 flags;
804 __u8 pad[36];
805 };
806
807 #define KVM_X86_DISABLE_EXITS_MWAIT (1 << 0)
808 #define KVM_X86_DISABLE_EXITS_HLT (1 << 1)
809 #define KVM_X86_DISABLE_EXITS_PAUSE (1 << 2)
810 #define KVM_X86_DISABLE_EXITS_CSTATE (1 << 3)
811 #define KVM_X86_DISABLE_VALID_EXITS (KVM_X86_DISABLE_EXITS_MWAIT | \
812 KVM_X86_DISABLE_EXITS_HLT | \
813 KVM_X86_DISABLE_EXITS_PAUSE | \
814 KVM_X86_DISABLE_EXITS_CSTATE)
815
816 /* for KVM_ENABLE_CAP */
817 struct kvm_enable_cap {
818 /* in */
819 __u32 cap;
820 __u32 flags;
821 __u64 args[4];
822 __u8 pad[64];
823 };
824
825 /* for KVM_PPC_GET_PVINFO */
826
827 #define KVM_PPC_PVINFO_FLAGS_EV_IDLE (1<<0)
828
829 struct kvm_ppc_pvinfo {
830 /* out */
831 __u32 flags;
832 __u32 hcall[4];
833 __u8 pad[108];
834 };
835
836 /* for KVM_PPC_GET_SMMU_INFO */
837 #define KVM_PPC_PAGE_SIZES_MAX_SZ 8
838
839 struct kvm_ppc_one_page_size {
840 __u32 page_shift; /* Page shift (or 0) */
841 __u32 pte_enc; /* Encoding in the HPTE (>>12) */
842 };
843
844 struct kvm_ppc_one_seg_page_size {
845 __u32 page_shift; /* Base page shift of segment (or 0) */
846 __u32 slb_enc; /* SLB encoding for BookS */
847 struct kvm_ppc_one_page_size enc[KVM_PPC_PAGE_SIZES_MAX_SZ];
848 };
849
850 #define KVM_PPC_PAGE_SIZES_REAL 0x00000001
851 #define KVM_PPC_1T_SEGMENTS 0x00000002
852 #define KVM_PPC_NO_HASH 0x00000004
853
854 struct kvm_ppc_smmu_info {
855 __u64 flags;
856 __u32 slb_size;
857 __u16 data_keys; /* # storage keys supported for data */
858 __u16 instr_keys; /* # storage keys supported for instructions */
859 struct kvm_ppc_one_seg_page_size sps[KVM_PPC_PAGE_SIZES_MAX_SZ];
860 };
861
862 /* for KVM_PPC_RESIZE_HPT_{PREPARE,COMMIT} */
863 struct kvm_ppc_resize_hpt {
864 __u64 flags;
865 __u32 shift;
866 __u32 pad;
867 };
868
869 #define KVMIO 0xAE
870
871 /* machine type bits, to be used as argument to KVM_CREATE_VM */
872 #define KVM_VM_S390_UCONTROL 1
873
874 /* on ppc, 0 indicate default, 1 should force HV and 2 PR */
875 #define KVM_VM_PPC_HV 1
876 #define KVM_VM_PPC_PR 2
877
878 /* on MIPS, 0 indicates auto, 1 forces VZ ASE, 2 forces trap & emulate */
879 #define KVM_VM_MIPS_AUTO 0
880 #define KVM_VM_MIPS_VZ 1
881 #define KVM_VM_MIPS_TE 2
882
883 #define KVM_S390_SIE_PAGE_OFFSET 1
884
885 /*
886 * On arm64, machine type can be used to request the physical
887 * address size for the VM. Bits[7-0] are reserved for the guest
888 * PA size shift (i.e, log2(PA_Size)). For backward compatibility,
889 * value 0 implies the default IPA size, 40bits.
890 */
891 #define KVM_VM_TYPE_ARM_IPA_SIZE_MASK 0xffULL
892 #define KVM_VM_TYPE_ARM_IPA_SIZE(x) \
893 ((x) & KVM_VM_TYPE_ARM_IPA_SIZE_MASK)
894 /*
895 * ioctls for /dev/kvm fds:
896 */
897 #define KVM_GET_API_VERSION _IO(KVMIO, 0x00)
898 #define KVM_CREATE_VM _IO(KVMIO, 0x01) /* returns a VM fd */
899 #define KVM_GET_MSR_INDEX_LIST _IOWR(KVMIO, 0x02, struct kvm_msr_list)
900
901 #define KVM_S390_ENABLE_SIE _IO(KVMIO, 0x06)
902 /*
903 * Check if a kvm extension is available. Argument is extension number,
904 * return is 1 (yes) or 0 (no, sorry).
905 */
906 #define KVM_CHECK_EXTENSION _IO(KVMIO, 0x03)
907 /*
908 * Get size for mmap(vcpu_fd)
909 */
910 #define KVM_GET_VCPU_MMAP_SIZE _IO(KVMIO, 0x04) /* in bytes */
911 #define KVM_GET_SUPPORTED_CPUID _IOWR(KVMIO, 0x05, struct kvm_cpuid2)
912 #define KVM_TRACE_ENABLE __KVM_DEPRECATED_MAIN_W_0x06
913 #define KVM_TRACE_PAUSE __KVM_DEPRECATED_MAIN_0x07
914 #define KVM_TRACE_DISABLE __KVM_DEPRECATED_MAIN_0x08
915 #define KVM_GET_EMULATED_CPUID _IOWR(KVMIO, 0x09, struct kvm_cpuid2)
916 #define KVM_GET_MSR_FEATURE_INDEX_LIST _IOWR(KVMIO, 0x0a, struct kvm_msr_list)
917
918 /*
919 * Extension capability list.
920 */
921 #define KVM_CAP_IRQCHIP 0
922 #define KVM_CAP_HLT 1
923 #define KVM_CAP_MMU_SHADOW_CACHE_CONTROL 2
924 #define KVM_CAP_USER_MEMORY 3
925 #define KVM_CAP_SET_TSS_ADDR 4
926 #define KVM_CAP_VAPIC 6
927 #define KVM_CAP_EXT_CPUID 7
928 #define KVM_CAP_CLOCKSOURCE 8
929 #define KVM_CAP_NR_VCPUS 9 /* returns recommended max vcpus per vm */
930 #define KVM_CAP_NR_MEMSLOTS 10 /* returns max memory slots per vm */
931 #define KVM_CAP_PIT 11
932 #define KVM_CAP_NOP_IO_DELAY 12
933 #define KVM_CAP_PV_MMU 13
934 #define KVM_CAP_MP_STATE 14
935 #define KVM_CAP_COALESCED_MMIO 15
936 #define KVM_CAP_SYNC_MMU 16 /* Changes to host mmap are reflected in guest */
937 #define KVM_CAP_IOMMU 18
938 /* Bug in KVM_SET_USER_MEMORY_REGION fixed: */
939 #define KVM_CAP_DESTROY_MEMORY_REGION_WORKS 21
940 #define KVM_CAP_USER_NMI 22
941 #ifdef __KVM_HAVE_GUEST_DEBUG
942 #define KVM_CAP_SET_GUEST_DEBUG 23
943 #endif
944 #ifdef __KVM_HAVE_PIT
945 #define KVM_CAP_REINJECT_CONTROL 24
946 #endif
947 #define KVM_CAP_IRQ_ROUTING 25
948 #define KVM_CAP_IRQ_INJECT_STATUS 26
949 #define KVM_CAP_ASSIGN_DEV_IRQ 29
950 /* Another bug in KVM_SET_USER_MEMORY_REGION fixed: */
951 #define KVM_CAP_JOIN_MEMORY_REGIONS_WORKS 30
952 #ifdef __KVM_HAVE_MCE
953 #define KVM_CAP_MCE 31
954 #endif
955 #define KVM_CAP_IRQFD 32
956 #ifdef __KVM_HAVE_PIT
957 #define KVM_CAP_PIT2 33
958 #endif
959 #define KVM_CAP_SET_BOOT_CPU_ID 34
960 #ifdef __KVM_HAVE_PIT_STATE2
961 #define KVM_CAP_PIT_STATE2 35
962 #endif
963 #define KVM_CAP_IOEVENTFD 36
964 #define KVM_CAP_SET_IDENTITY_MAP_ADDR 37
965 #ifdef __KVM_HAVE_XEN_HVM
966 #define KVM_CAP_XEN_HVM 38
967 #endif
968 #define KVM_CAP_ADJUST_CLOCK 39
969 #define KVM_CAP_INTERNAL_ERROR_DATA 40
970 #ifdef __KVM_HAVE_VCPU_EVENTS
971 #define KVM_CAP_VCPU_EVENTS 41
972 #endif
973 #define KVM_CAP_S390_PSW 42
974 #define KVM_CAP_PPC_SEGSTATE 43
975 #define KVM_CAP_HYPERV 44
976 #define KVM_CAP_HYPERV_VAPIC 45
977 #define KVM_CAP_HYPERV_SPIN 46
978 #define KVM_CAP_PCI_SEGMENT 47
979 #define KVM_CAP_PPC_PAIRED_SINGLES 48
980 #define KVM_CAP_INTR_SHADOW 49
981 #ifdef __KVM_HAVE_DEBUGREGS
982 #define KVM_CAP_DEBUGREGS 50
983 #endif
984 #define KVM_CAP_X86_ROBUST_SINGLESTEP 51
985 #define KVM_CAP_PPC_OSI 52
986 #define KVM_CAP_PPC_UNSET_IRQ 53
987 #define KVM_CAP_ENABLE_CAP 54
988 #ifdef __KVM_HAVE_XSAVE
989 #define KVM_CAP_XSAVE 55
990 #endif
991 #ifdef __KVM_HAVE_XCRS
992 #define KVM_CAP_XCRS 56
993 #endif
994 #define KVM_CAP_PPC_GET_PVINFO 57
995 #define KVM_CAP_PPC_IRQ_LEVEL 58
996 #define KVM_CAP_ASYNC_PF 59
997 #define KVM_CAP_TSC_CONTROL 60
998 #define KVM_CAP_GET_TSC_KHZ 61
999 #define KVM_CAP_PPC_BOOKE_SREGS 62
1000 #define KVM_CAP_SPAPR_TCE 63
1001 #define KVM_CAP_PPC_SMT 64
1002 #define KVM_CAP_PPC_RMA 65
1003 #define KVM_CAP_MAX_VCPUS 66 /* returns max vcpus per vm */
1004 #define KVM_CAP_PPC_HIOR 67
1005 #define KVM_CAP_PPC_PAPR 68
1006 #define KVM_CAP_SW_TLB 69
1007 #define KVM_CAP_ONE_REG 70
1008 #define KVM_CAP_S390_GMAP 71
1009 #define KVM_CAP_TSC_DEADLINE_TIMER 72
1010 #define KVM_CAP_S390_UCONTROL 73
1011 #define KVM_CAP_SYNC_REGS 74
1012 #define KVM_CAP_PCI_2_3 75
1013 #define KVM_CAP_KVMCLOCK_CTRL 76
1014 #define KVM_CAP_SIGNAL_MSI 77
1015 #define KVM_CAP_PPC_GET_SMMU_INFO 78
1016 #define KVM_CAP_S390_COW 79
1017 #define KVM_CAP_PPC_ALLOC_HTAB 80
1018 #define KVM_CAP_READONLY_MEM 81
1019 #define KVM_CAP_IRQFD_RESAMPLE 82
1020 #define KVM_CAP_PPC_BOOKE_WATCHDOG 83
1021 #define KVM_CAP_PPC_HTAB_FD 84
1022 #define KVM_CAP_S390_CSS_SUPPORT 85
1023 #define KVM_CAP_PPC_EPR 86
1024 #define KVM_CAP_ARM_PSCI 87
1025 #define KVM_CAP_ARM_SET_DEVICE_ADDR 88
1026 #define KVM_CAP_DEVICE_CTRL 89
1027 #define KVM_CAP_IRQ_MPIC 90
1028 #define KVM_CAP_PPC_RTAS 91
1029 #define KVM_CAP_IRQ_XICS 92
1030 #define KVM_CAP_ARM_EL1_32BIT 93
1031 #define KVM_CAP_SPAPR_MULTITCE 94
1032 #define KVM_CAP_EXT_EMUL_CPUID 95
1033 #define KVM_CAP_HYPERV_TIME 96
1034 #define KVM_CAP_IOAPIC_POLARITY_IGNORED 97
1035 #define KVM_CAP_ENABLE_CAP_VM 98
1036 #define KVM_CAP_S390_IRQCHIP 99
1037 #define KVM_CAP_IOEVENTFD_NO_LENGTH 100
1038 #define KVM_CAP_VM_ATTRIBUTES 101
1039 #define KVM_CAP_ARM_PSCI_0_2 102
1040 #define KVM_CAP_PPC_FIXUP_HCALL 103
1041 #define KVM_CAP_PPC_ENABLE_HCALL 104
1042 #define KVM_CAP_CHECK_EXTENSION_VM 105
1043 #define KVM_CAP_S390_USER_SIGP 106
1044 #define KVM_CAP_S390_VECTOR_REGISTERS 107
1045 #define KVM_CAP_S390_MEM_OP 108
1046 #define KVM_CAP_S390_USER_STSI 109
1047 #define KVM_CAP_S390_SKEYS 110
1048 #define KVM_CAP_MIPS_FPU 111
1049 #define KVM_CAP_MIPS_MSA 112
1050 #define KVM_CAP_S390_INJECT_IRQ 113
1051 #define KVM_CAP_S390_IRQ_STATE 114
1052 #define KVM_CAP_PPC_HWRNG 115
1053 #define KVM_CAP_DISABLE_QUIRKS 116
1054 #define KVM_CAP_X86_SMM 117
1055 #define KVM_CAP_MULTI_ADDRESS_SPACE 118
1056 #define KVM_CAP_GUEST_DEBUG_HW_BPS 119
1057 #define KVM_CAP_GUEST_DEBUG_HW_WPS 120
1058 #define KVM_CAP_SPLIT_IRQCHIP 121
1059 #define KVM_CAP_IOEVENTFD_ANY_LENGTH 122
1060 #define KVM_CAP_HYPERV_SYNIC 123
1061 #define KVM_CAP_S390_RI 124
1062 #define KVM_CAP_SPAPR_TCE_64 125
1063 #define KVM_CAP_ARM_PMU_V3 126
1064 #define KVM_CAP_VCPU_ATTRIBUTES 127
1065 #define KVM_CAP_MAX_VCPU_ID 128
1066 #define KVM_CAP_X2APIC_API 129
1067 #define KVM_CAP_S390_USER_INSTR0 130
1068 #define KVM_CAP_MSI_DEVID 131
1069 #define KVM_CAP_PPC_HTM 132
1070 #define KVM_CAP_SPAPR_RESIZE_HPT 133
1071 #define KVM_CAP_PPC_MMU_RADIX 134
1072 #define KVM_CAP_PPC_MMU_HASH_V3 135
1073 #define KVM_CAP_IMMEDIATE_EXIT 136
1074 #define KVM_CAP_MIPS_VZ 137
1075 #define KVM_CAP_MIPS_TE 138
1076 #define KVM_CAP_MIPS_64BIT 139
1077 #define KVM_CAP_S390_GS 140
1078 #define KVM_CAP_S390_AIS 141
1079 #define KVM_CAP_SPAPR_TCE_VFIO 142
1080 #define KVM_CAP_X86_DISABLE_EXITS 143
1081 #define KVM_CAP_ARM_USER_IRQ 144
1082 #define KVM_CAP_S390_CMMA_MIGRATION 145
1083 #define KVM_CAP_PPC_FWNMI 146
1084 #define KVM_CAP_PPC_SMT_POSSIBLE 147
1085 #define KVM_CAP_HYPERV_SYNIC2 148
1086 #define KVM_CAP_HYPERV_VP_INDEX 149
1087 #define KVM_CAP_S390_AIS_MIGRATION 150
1088 #define KVM_CAP_PPC_GET_CPU_CHAR 151
1089 #define KVM_CAP_S390_BPB 152
1090 #define KVM_CAP_GET_MSR_FEATURES 153
1091 #define KVM_CAP_HYPERV_EVENTFD 154
1092 #define KVM_CAP_HYPERV_TLBFLUSH 155
1093 #define KVM_CAP_S390_HPAGE_1M 156
1094 #define KVM_CAP_NESTED_STATE 157
1095 #define KVM_CAP_ARM_INJECT_SERROR_ESR 158
1096 #define KVM_CAP_MSR_PLATFORM_INFO 159
1097 #define KVM_CAP_PPC_NESTED_HV 160
1098 #define KVM_CAP_HYPERV_SEND_IPI 161
1099 #define KVM_CAP_COALESCED_PIO 162
1100 #define KVM_CAP_HYPERV_ENLIGHTENED_VMCS 163
1101 #define KVM_CAP_EXCEPTION_PAYLOAD 164
1102 #define KVM_CAP_ARM_VM_IPA_SIZE 165
1103 #define KVM_CAP_MANUAL_DIRTY_LOG_PROTECT 166 /* Obsolete */
1104 #define KVM_CAP_HYPERV_CPUID 167
1105 #define KVM_CAP_MANUAL_DIRTY_LOG_PROTECT2 168
1106 #define KVM_CAP_PPC_IRQ_XIVE 169
1107 #define KVM_CAP_ARM_SVE 170
1108 #define KVM_CAP_ARM_PTRAUTH_ADDRESS 171
1109 #define KVM_CAP_ARM_PTRAUTH_GENERIC 172
1110 #define KVM_CAP_PMU_EVENT_FILTER 173
1111 #define KVM_CAP_ARM_IRQ_LINE_LAYOUT_2 174
1112 #define KVM_CAP_HYPERV_DIRECT_TLBFLUSH 175
1113 #define KVM_CAP_PPC_GUEST_DEBUG_SSTEP 176
1114 #define KVM_CAP_ARM_NISV_TO_USER 177
1115 #define KVM_CAP_ARM_INJECT_EXT_DABT 178
1116 #define KVM_CAP_S390_VCPU_RESETS 179
1117 #define KVM_CAP_S390_PROTECTED 180
1118 #define KVM_CAP_PPC_SECURE_GUEST 181
1119 #define KVM_CAP_HALT_POLL 182
1120 #define KVM_CAP_ASYNC_PF_INT 183
1121 #define KVM_CAP_LAST_CPU 184
1122 #define KVM_CAP_SMALLER_MAXPHYADDR 185
1123 #define KVM_CAP_S390_DIAG318 186
1124 #define KVM_CAP_STEAL_TIME 187
1125 #define KVM_CAP_X86_USER_SPACE_MSR 188
1126 #define KVM_CAP_X86_MSR_FILTER 189
1127 #define KVM_CAP_ENFORCE_PV_FEATURE_CPUID 190
1128 #define KVM_CAP_SYS_HYPERV_CPUID 191
1129 #define KVM_CAP_DIRTY_LOG_RING 192
1130 #define KVM_CAP_X86_BUS_LOCK_EXIT 193
1131 #define KVM_CAP_PPC_DAWR1 194
1132 #define KVM_CAP_SET_GUEST_DEBUG2 195
1133 #define KVM_CAP_SGX_ATTRIBUTE 196
1134 #define KVM_CAP_VM_COPY_ENC_CONTEXT_FROM 197
1135 #define KVM_CAP_PTP_KVM 198
1136 #define KVM_CAP_HYPERV_ENFORCE_CPUID 199
1137 #define KVM_CAP_SREGS2 200
1138 #define KVM_CAP_EXIT_HYPERCALL 201
1139 #define KVM_CAP_PPC_RPT_INVALIDATE 202
1140 #define KVM_CAP_BINARY_STATS_FD 203
1141 #define KVM_CAP_EXIT_ON_EMULATION_FAILURE 204
1142 #define KVM_CAP_ARM_MTE 205
1143 #define KVM_CAP_VM_MOVE_ENC_CONTEXT_FROM 206
1144 #define KVM_CAP_VM_GPA_BITS 207
1145 #define KVM_CAP_XSAVE2 208
1146 #define KVM_CAP_SYS_ATTRIBUTES 209
1147 #define KVM_CAP_PPC_AIL_MODE_3 210
1148 #define KVM_CAP_S390_MEM_OP_EXTENSION 211
1149 #define KVM_CAP_PMU_CAPABILITY 212
1150 #define KVM_CAP_DISABLE_QUIRKS2 213
1151 /* #define KVM_CAP_VM_TSC_CONTROL 214 */
1152 #define KVM_CAP_SYSTEM_EVENT_DATA 215
1153
1154 #ifdef KVM_CAP_IRQ_ROUTING
1155
1156 struct kvm_irq_routing_irqchip {
1157 __u32 irqchip;
1158 __u32 pin;
1159 };
1160
1161 struct kvm_irq_routing_msi {
1162 __u32 address_lo;
1163 __u32 address_hi;
1164 __u32 data;
1165 union {
1166 __u32 pad;
1167 __u32 devid;
1168 };
1169 };
1170
1171 struct kvm_irq_routing_s390_adapter {
1172 __u64 ind_addr;
1173 __u64 summary_addr;
1174 __u64 ind_offset;
1175 __u32 summary_offset;
1176 __u32 adapter_id;
1177 };
1178
1179 struct kvm_irq_routing_hv_sint {
1180 __u32 vcpu;
1181 __u32 sint;
1182 };
1183
1184 struct kvm_irq_routing_xen_evtchn {
1185 __u32 port;
1186 __u32 vcpu;
1187 __u32 priority;
1188 };
1189
1190 #define KVM_IRQ_ROUTING_XEN_EVTCHN_PRIO_2LEVEL ((__u32)(-1))
1191
1192 /* gsi routing entry types */
1193 #define KVM_IRQ_ROUTING_IRQCHIP 1
1194 #define KVM_IRQ_ROUTING_MSI 2
1195 #define KVM_IRQ_ROUTING_S390_ADAPTER 3
1196 #define KVM_IRQ_ROUTING_HV_SINT 4
1197 #define KVM_IRQ_ROUTING_XEN_EVTCHN 5
1198
1199 struct kvm_irq_routing_entry {
1200 __u32 gsi;
1201 __u32 type;
1202 __u32 flags;
1203 __u32 pad;
1204 union {
1205 struct kvm_irq_routing_irqchip irqchip;
1206 struct kvm_irq_routing_msi msi;
1207 struct kvm_irq_routing_s390_adapter adapter;
1208 struct kvm_irq_routing_hv_sint hv_sint;
1209 struct kvm_irq_routing_xen_evtchn xen_evtchn;
1210 __u32 pad[8];
1211 } u;
1212 };
1213
1214 struct kvm_irq_routing {
1215 __u32 nr;
1216 __u32 flags;
1217 struct kvm_irq_routing_entry entries[0];
1218 };
1219
1220 #endif
1221
1222 #ifdef KVM_CAP_MCE
1223 /* x86 MCE */
1224 struct kvm_x86_mce {
1225 __u64 status;
1226 __u64 addr;
1227 __u64 misc;
1228 __u64 mcg_status;
1229 __u8 bank;
1230 __u8 pad1[7];
1231 __u64 pad2[3];
1232 };
1233 #endif
1234
1235 #ifdef KVM_CAP_XEN_HVM
1236 #define KVM_XEN_HVM_CONFIG_HYPERCALL_MSR (1 << 0)
1237 #define KVM_XEN_HVM_CONFIG_INTERCEPT_HCALL (1 << 1)
1238 #define KVM_XEN_HVM_CONFIG_SHARED_INFO (1 << 2)
1239 #define KVM_XEN_HVM_CONFIG_RUNSTATE (1 << 3)
1240 #define KVM_XEN_HVM_CONFIG_EVTCHN_2LEVEL (1 << 4)
1241
1242 struct kvm_xen_hvm_config {
1243 __u32 flags;
1244 __u32 msr;
1245 __u64 blob_addr_32;
1246 __u64 blob_addr_64;
1247 __u8 blob_size_32;
1248 __u8 blob_size_64;
1249 __u8 pad2[30];
1250 };
1251 #endif
1252
1253 #define KVM_IRQFD_FLAG_DEASSIGN (1 << 0)
1254 /*
1255 * Available with KVM_CAP_IRQFD_RESAMPLE
1256 *
1257 * KVM_IRQFD_FLAG_RESAMPLE indicates resamplefd is valid and specifies
1258 * the irqfd to operate in resampling mode for level triggered interrupt
1259 * emulation. See Documentation/virt/kvm/api.rst.
1260 */
1261 #define KVM_IRQFD_FLAG_RESAMPLE (1 << 1)
1262
1263 struct kvm_irqfd {
1264 __u32 fd;
1265 __u32 gsi;
1266 __u32 flags;
1267 __u32 resamplefd;
1268 __u8 pad[16];
1269 };
1270
1271 /* For KVM_CAP_ADJUST_CLOCK */
1272
1273 /* Do not use 1, KVM_CHECK_EXTENSION returned it before we had flags. */
1274 #define KVM_CLOCK_TSC_STABLE 2
1275 #define KVM_CLOCK_REALTIME (1 << 2)
1276 #define KVM_CLOCK_HOST_TSC (1 << 3)
1277
1278 struct kvm_clock_data {
1279 __u64 clock;
1280 __u32 flags;
1281 __u32 pad0;
1282 __u64 realtime;
1283 __u64 host_tsc;
1284 __u32 pad[4];
1285 };
1286
1287 /* For KVM_CAP_SW_TLB */
1288
1289 #define KVM_MMU_FSL_BOOKE_NOHV 0
1290 #define KVM_MMU_FSL_BOOKE_HV 1
1291
1292 struct kvm_config_tlb {
1293 __u64 params;
1294 __u64 array;
1295 __u32 mmu_type;
1296 __u32 array_len;
1297 };
1298
1299 struct kvm_dirty_tlb {
1300 __u64 bitmap;
1301 __u32 num_dirty;
1302 };
1303
1304 /* Available with KVM_CAP_ONE_REG */
1305
1306 #define KVM_REG_ARCH_MASK 0xff00000000000000ULL
1307 #define KVM_REG_GENERIC 0x0000000000000000ULL
1308
1309 /*
1310 * Architecture specific registers are to be defined in arch headers and
1311 * ORed with the arch identifier.
1312 */
1313 #define KVM_REG_PPC 0x1000000000000000ULL
1314 #define KVM_REG_X86 0x2000000000000000ULL
1315 #define KVM_REG_IA64 0x3000000000000000ULL
1316 #define KVM_REG_ARM 0x4000000000000000ULL
1317 #define KVM_REG_S390 0x5000000000000000ULL
1318 #define KVM_REG_ARM64 0x6000000000000000ULL
1319 #define KVM_REG_MIPS 0x7000000000000000ULL
1320 #define KVM_REG_RISCV 0x8000000000000000ULL
1321
1322 #define KVM_REG_SIZE_SHIFT 52
1323 #define KVM_REG_SIZE_MASK 0x00f0000000000000ULL
1324 #define KVM_REG_SIZE_U8 0x0000000000000000ULL
1325 #define KVM_REG_SIZE_U16 0x0010000000000000ULL
1326 #define KVM_REG_SIZE_U32 0x0020000000000000ULL
1327 #define KVM_REG_SIZE_U64 0x0030000000000000ULL
1328 #define KVM_REG_SIZE_U128 0x0040000000000000ULL
1329 #define KVM_REG_SIZE_U256 0x0050000000000000ULL
1330 #define KVM_REG_SIZE_U512 0x0060000000000000ULL
1331 #define KVM_REG_SIZE_U1024 0x0070000000000000ULL
1332 #define KVM_REG_SIZE_U2048 0x0080000000000000ULL
1333
1334 struct kvm_reg_list {
1335 __u64 n; /* number of regs */
1336 __u64 reg[0];
1337 };
1338
1339 struct kvm_one_reg {
1340 __u64 id;
1341 __u64 addr;
1342 };
1343
1344 #define KVM_MSI_VALID_DEVID (1U << 0)
1345 struct kvm_msi {
1346 __u32 address_lo;
1347 __u32 address_hi;
1348 __u32 data;
1349 __u32 flags;
1350 __u32 devid;
1351 __u8 pad[12];
1352 };
1353
1354 struct kvm_arm_device_addr {
1355 __u64 id;
1356 __u64 addr;
1357 };
1358
1359 /*
1360 * Device control API, available with KVM_CAP_DEVICE_CTRL
1361 */
1362 #define KVM_CREATE_DEVICE_TEST 1
1363
1364 struct kvm_create_device {
1365 __u32 type; /* in: KVM_DEV_TYPE_xxx */
1366 __u32 fd; /* out: device handle */
1367 __u32 flags; /* in: KVM_CREATE_DEVICE_xxx */
1368 };
1369
1370 struct kvm_device_attr {
1371 __u32 flags; /* no flags currently defined */
1372 __u32 group; /* device-defined */
1373 __u64 attr; /* group-defined */
1374 __u64 addr; /* userspace address of attr data */
1375 };
1376
1377 #define KVM_DEV_VFIO_GROUP 1
1378 #define KVM_DEV_VFIO_GROUP_ADD 1
1379 #define KVM_DEV_VFIO_GROUP_DEL 2
1380 #define KVM_DEV_VFIO_GROUP_SET_SPAPR_TCE 3
1381
1382 enum kvm_device_type {
1383 KVM_DEV_TYPE_FSL_MPIC_20 = 1,
1384 #define KVM_DEV_TYPE_FSL_MPIC_20 KVM_DEV_TYPE_FSL_MPIC_20
1385 KVM_DEV_TYPE_FSL_MPIC_42,
1386 #define KVM_DEV_TYPE_FSL_MPIC_42 KVM_DEV_TYPE_FSL_MPIC_42
1387 KVM_DEV_TYPE_XICS,
1388 #define KVM_DEV_TYPE_XICS KVM_DEV_TYPE_XICS
1389 KVM_DEV_TYPE_VFIO,
1390 #define KVM_DEV_TYPE_VFIO KVM_DEV_TYPE_VFIO
1391 KVM_DEV_TYPE_ARM_VGIC_V2,
1392 #define KVM_DEV_TYPE_ARM_VGIC_V2 KVM_DEV_TYPE_ARM_VGIC_V2
1393 KVM_DEV_TYPE_FLIC,
1394 #define KVM_DEV_TYPE_FLIC KVM_DEV_TYPE_FLIC
1395 KVM_DEV_TYPE_ARM_VGIC_V3,
1396 #define KVM_DEV_TYPE_ARM_VGIC_V3 KVM_DEV_TYPE_ARM_VGIC_V3
1397 KVM_DEV_TYPE_ARM_VGIC_ITS,
1398 #define KVM_DEV_TYPE_ARM_VGIC_ITS KVM_DEV_TYPE_ARM_VGIC_ITS
1399 KVM_DEV_TYPE_XIVE,
1400 #define KVM_DEV_TYPE_XIVE KVM_DEV_TYPE_XIVE
1401 KVM_DEV_TYPE_ARM_PV_TIME,
1402 #define KVM_DEV_TYPE_ARM_PV_TIME KVM_DEV_TYPE_ARM_PV_TIME
1403 KVM_DEV_TYPE_MAX,
1404 };
1405
1406 struct kvm_vfio_spapr_tce {
1407 __s32 groupfd;
1408 __s32 tablefd;
1409 };
1410
1411 /*
1412 * ioctls for VM fds
1413 */
1414 #define KVM_SET_MEMORY_REGION _IOW(KVMIO, 0x40, struct kvm_memory_region)
1415 /*
1416 * KVM_CREATE_VCPU receives as a parameter the vcpu slot, and returns
1417 * a vcpu fd.
1418 */
1419 #define KVM_CREATE_VCPU _IO(KVMIO, 0x41)
1420 #define KVM_GET_DIRTY_LOG _IOW(KVMIO, 0x42, struct kvm_dirty_log)
1421 /* KVM_SET_MEMORY_ALIAS is obsolete: */
1422 #define KVM_SET_MEMORY_ALIAS _IOW(KVMIO, 0x43, struct kvm_memory_alias)
1423 #define KVM_SET_NR_MMU_PAGES _IO(KVMIO, 0x44)
1424 #define KVM_GET_NR_MMU_PAGES _IO(KVMIO, 0x45)
1425 #define KVM_SET_USER_MEMORY_REGION _IOW(KVMIO, 0x46, \
1426 struct kvm_userspace_memory_region)
1427 #define KVM_SET_TSS_ADDR _IO(KVMIO, 0x47)
1428 #define KVM_SET_IDENTITY_MAP_ADDR _IOW(KVMIO, 0x48, __u64)
1429
1430 /* enable ucontrol for s390 */
1431 struct kvm_s390_ucas_mapping {
1432 __u64 user_addr;
1433 __u64 vcpu_addr;
1434 __u64 length;
1435 };
1436 #define KVM_S390_UCAS_MAP _IOW(KVMIO, 0x50, struct kvm_s390_ucas_mapping)
1437 #define KVM_S390_UCAS_UNMAP _IOW(KVMIO, 0x51, struct kvm_s390_ucas_mapping)
1438 #define KVM_S390_VCPU_FAULT _IOW(KVMIO, 0x52, unsigned long)
1439
1440 /* Device model IOC */
1441 #define KVM_CREATE_IRQCHIP _IO(KVMIO, 0x60)
1442 #define KVM_IRQ_LINE _IOW(KVMIO, 0x61, struct kvm_irq_level)
1443 #define KVM_GET_IRQCHIP _IOWR(KVMIO, 0x62, struct kvm_irqchip)
1444 #define KVM_SET_IRQCHIP _IOR(KVMIO, 0x63, struct kvm_irqchip)
1445 #define KVM_CREATE_PIT _IO(KVMIO, 0x64)
1446 #define KVM_GET_PIT _IOWR(KVMIO, 0x65, struct kvm_pit_state)
1447 #define KVM_SET_PIT _IOR(KVMIO, 0x66, struct kvm_pit_state)
1448 #define KVM_IRQ_LINE_STATUS _IOWR(KVMIO, 0x67, struct kvm_irq_level)
1449 #define KVM_REGISTER_COALESCED_MMIO \
1450 _IOW(KVMIO, 0x67, struct kvm_coalesced_mmio_zone)
1451 #define KVM_UNREGISTER_COALESCED_MMIO \
1452 _IOW(KVMIO, 0x68, struct kvm_coalesced_mmio_zone)
1453 #define KVM_ASSIGN_PCI_DEVICE _IOR(KVMIO, 0x69, \
1454 struct kvm_assigned_pci_dev)
1455 #define KVM_SET_GSI_ROUTING _IOW(KVMIO, 0x6a, struct kvm_irq_routing)
1456 /* deprecated, replaced by KVM_ASSIGN_DEV_IRQ */
1457 #define KVM_ASSIGN_IRQ __KVM_DEPRECATED_VM_R_0x70
1458 #define KVM_ASSIGN_DEV_IRQ _IOW(KVMIO, 0x70, struct kvm_assigned_irq)
1459 #define KVM_REINJECT_CONTROL _IO(KVMIO, 0x71)
1460 #define KVM_DEASSIGN_PCI_DEVICE _IOW(KVMIO, 0x72, \
1461 struct kvm_assigned_pci_dev)
1462 #define KVM_ASSIGN_SET_MSIX_NR _IOW(KVMIO, 0x73, \
1463 struct kvm_assigned_msix_nr)
1464 #define KVM_ASSIGN_SET_MSIX_ENTRY _IOW(KVMIO, 0x74, \
1465 struct kvm_assigned_msix_entry)
1466 #define KVM_DEASSIGN_DEV_IRQ _IOW(KVMIO, 0x75, struct kvm_assigned_irq)
1467 #define KVM_IRQFD _IOW(KVMIO, 0x76, struct kvm_irqfd)
1468 #define KVM_CREATE_PIT2 _IOW(KVMIO, 0x77, struct kvm_pit_config)
1469 #define KVM_SET_BOOT_CPU_ID _IO(KVMIO, 0x78)
1470 #define KVM_IOEVENTFD _IOW(KVMIO, 0x79, struct kvm_ioeventfd)
1471 #define KVM_XEN_HVM_CONFIG _IOW(KVMIO, 0x7a, struct kvm_xen_hvm_config)
1472 #define KVM_SET_CLOCK _IOW(KVMIO, 0x7b, struct kvm_clock_data)
1473 #define KVM_GET_CLOCK _IOR(KVMIO, 0x7c, struct kvm_clock_data)
1474 /* Available with KVM_CAP_PIT_STATE2 */
1475 #define KVM_GET_PIT2 _IOR(KVMIO, 0x9f, struct kvm_pit_state2)
1476 #define KVM_SET_PIT2 _IOW(KVMIO, 0xa0, struct kvm_pit_state2)
1477 /* Available with KVM_CAP_PPC_GET_PVINFO */
1478 #define KVM_PPC_GET_PVINFO _IOW(KVMIO, 0xa1, struct kvm_ppc_pvinfo)
1479 /* Available with KVM_CAP_TSC_CONTROL */
1480 #define KVM_SET_TSC_KHZ _IO(KVMIO, 0xa2)
1481 #define KVM_GET_TSC_KHZ _IO(KVMIO, 0xa3)
1482 /* Available with KVM_CAP_PCI_2_3 */
1483 #define KVM_ASSIGN_SET_INTX_MASK _IOW(KVMIO, 0xa4, \
1484 struct kvm_assigned_pci_dev)
1485 /* Available with KVM_CAP_SIGNAL_MSI */
1486 #define KVM_SIGNAL_MSI _IOW(KVMIO, 0xa5, struct kvm_msi)
1487 /* Available with KVM_CAP_PPC_GET_SMMU_INFO */
1488 #define KVM_PPC_GET_SMMU_INFO _IOR(KVMIO, 0xa6, struct kvm_ppc_smmu_info)
1489 /* Available with KVM_CAP_PPC_ALLOC_HTAB */
1490 #define KVM_PPC_ALLOCATE_HTAB _IOWR(KVMIO, 0xa7, __u32)
1491 #define KVM_CREATE_SPAPR_TCE _IOW(KVMIO, 0xa8, struct kvm_create_spapr_tce)
1492 #define KVM_CREATE_SPAPR_TCE_64 _IOW(KVMIO, 0xa8, \
1493 struct kvm_create_spapr_tce_64)
1494 /* Available with KVM_CAP_RMA */
1495 #define KVM_ALLOCATE_RMA _IOR(KVMIO, 0xa9, struct kvm_allocate_rma)
1496 /* Available with KVM_CAP_PPC_HTAB_FD */
1497 #define KVM_PPC_GET_HTAB_FD _IOW(KVMIO, 0xaa, struct kvm_get_htab_fd)
1498 /* Available with KVM_CAP_ARM_SET_DEVICE_ADDR */
1499 #define KVM_ARM_SET_DEVICE_ADDR _IOW(KVMIO, 0xab, struct kvm_arm_device_addr)
1500 /* Available with KVM_CAP_PPC_RTAS */
1501 #define KVM_PPC_RTAS_DEFINE_TOKEN _IOW(KVMIO, 0xac, struct kvm_rtas_token_args)
1502 /* Available with KVM_CAP_SPAPR_RESIZE_HPT */
1503 #define KVM_PPC_RESIZE_HPT_PREPARE _IOR(KVMIO, 0xad, struct kvm_ppc_resize_hpt)
1504 #define KVM_PPC_RESIZE_HPT_COMMIT _IOR(KVMIO, 0xae, struct kvm_ppc_resize_hpt)
1505 /* Available with KVM_CAP_PPC_RADIX_MMU or KVM_CAP_PPC_HASH_MMU_V3 */
1506 #define KVM_PPC_CONFIGURE_V3_MMU _IOW(KVMIO, 0xaf, struct kvm_ppc_mmuv3_cfg)
1507 /* Available with KVM_CAP_PPC_RADIX_MMU */
1508 #define KVM_PPC_GET_RMMU_INFO _IOW(KVMIO, 0xb0, struct kvm_ppc_rmmu_info)
1509 /* Available with KVM_CAP_PPC_GET_CPU_CHAR */
1510 #define KVM_PPC_GET_CPU_CHAR _IOR(KVMIO, 0xb1, struct kvm_ppc_cpu_char)
1511 /* Available with KVM_CAP_PMU_EVENT_FILTER */
1512 #define KVM_SET_PMU_EVENT_FILTER _IOW(KVMIO, 0xb2, struct kvm_pmu_event_filter)
1513 #define KVM_PPC_SVM_OFF _IO(KVMIO, 0xb3)
1514 #define KVM_ARM_MTE_COPY_TAGS _IOR(KVMIO, 0xb4, struct kvm_arm_copy_mte_tags)
1515
1516 /* ioctl for vm fd */
1517 #define KVM_CREATE_DEVICE _IOWR(KVMIO, 0xe0, struct kvm_create_device)
1518
1519 /* ioctls for fds returned by KVM_CREATE_DEVICE */
1520 #define KVM_SET_DEVICE_ATTR _IOW(KVMIO, 0xe1, struct kvm_device_attr)
1521 #define KVM_GET_DEVICE_ATTR _IOW(KVMIO, 0xe2, struct kvm_device_attr)
1522 #define KVM_HAS_DEVICE_ATTR _IOW(KVMIO, 0xe3, struct kvm_device_attr)
1523
1524 /*
1525 * ioctls for vcpu fds
1526 */
1527 #define KVM_RUN _IO(KVMIO, 0x80)
1528 #define KVM_GET_REGS _IOR(KVMIO, 0x81, struct kvm_regs)
1529 #define KVM_SET_REGS _IOW(KVMIO, 0x82, struct kvm_regs)
1530 #define KVM_GET_SREGS _IOR(KVMIO, 0x83, struct kvm_sregs)
1531 #define KVM_SET_SREGS _IOW(KVMIO, 0x84, struct kvm_sregs)
1532 #define KVM_TRANSLATE _IOWR(KVMIO, 0x85, struct kvm_translation)
1533 #define KVM_INTERRUPT _IOW(KVMIO, 0x86, struct kvm_interrupt)
1534 /* KVM_DEBUG_GUEST is no longer supported, use KVM_SET_GUEST_DEBUG instead */
1535 #define KVM_DEBUG_GUEST __KVM_DEPRECATED_VCPU_W_0x87
1536 #define KVM_GET_MSRS _IOWR(KVMIO, 0x88, struct kvm_msrs)
1537 #define KVM_SET_MSRS _IOW(KVMIO, 0x89, struct kvm_msrs)
1538 #define KVM_SET_CPUID _IOW(KVMIO, 0x8a, struct kvm_cpuid)
1539 #define KVM_SET_SIGNAL_MASK _IOW(KVMIO, 0x8b, struct kvm_signal_mask)
1540 #define KVM_GET_FPU _IOR(KVMIO, 0x8c, struct kvm_fpu)
1541 #define KVM_SET_FPU _IOW(KVMIO, 0x8d, struct kvm_fpu)
1542 #define KVM_GET_LAPIC _IOR(KVMIO, 0x8e, struct kvm_lapic_state)
1543 #define KVM_SET_LAPIC _IOW(KVMIO, 0x8f, struct kvm_lapic_state)
1544 #define KVM_SET_CPUID2 _IOW(KVMIO, 0x90, struct kvm_cpuid2)
1545 #define KVM_GET_CPUID2 _IOWR(KVMIO, 0x91, struct kvm_cpuid2)
1546 /* Available with KVM_CAP_VAPIC */
1547 #define KVM_TPR_ACCESS_REPORTING _IOWR(KVMIO, 0x92, struct kvm_tpr_access_ctl)
1548 /* Available with KVM_CAP_VAPIC */
1549 #define KVM_SET_VAPIC_ADDR _IOW(KVMIO, 0x93, struct kvm_vapic_addr)
1550 /* valid for virtual machine (for floating interrupt)_and_ vcpu */
1551 #define KVM_S390_INTERRUPT _IOW(KVMIO, 0x94, struct kvm_s390_interrupt)
1552 /* store status for s390 */
1553 #define KVM_S390_STORE_STATUS_NOADDR (-1ul)
1554 #define KVM_S390_STORE_STATUS_PREFIXED (-2ul)
1555 #define KVM_S390_STORE_STATUS _IOW(KVMIO, 0x95, unsigned long)
1556 /* initial ipl psw for s390 */
1557 #define KVM_S390_SET_INITIAL_PSW _IOW(KVMIO, 0x96, struct kvm_s390_psw)
1558 /* initial reset for s390 */
1559 #define KVM_S390_INITIAL_RESET _IO(KVMIO, 0x97)
1560 #define KVM_GET_MP_STATE _IOR(KVMIO, 0x98, struct kvm_mp_state)
1561 #define KVM_SET_MP_STATE _IOW(KVMIO, 0x99, struct kvm_mp_state)
1562 /* Available with KVM_CAP_USER_NMI */
1563 #define KVM_NMI _IO(KVMIO, 0x9a)
1564 /* Available with KVM_CAP_SET_GUEST_DEBUG */
1565 #define KVM_SET_GUEST_DEBUG _IOW(KVMIO, 0x9b, struct kvm_guest_debug)
1566 /* MCE for x86 */
1567 #define KVM_X86_SETUP_MCE _IOW(KVMIO, 0x9c, __u64)
1568 #define KVM_X86_GET_MCE_CAP_SUPPORTED _IOR(KVMIO, 0x9d, __u64)
1569 #define KVM_X86_SET_MCE _IOW(KVMIO, 0x9e, struct kvm_x86_mce)
1570 /* Available with KVM_CAP_VCPU_EVENTS */
1571 #define KVM_GET_VCPU_EVENTS _IOR(KVMIO, 0x9f, struct kvm_vcpu_events)
1572 #define KVM_SET_VCPU_EVENTS _IOW(KVMIO, 0xa0, struct kvm_vcpu_events)
1573 /* Available with KVM_CAP_DEBUGREGS */
1574 #define KVM_GET_DEBUGREGS _IOR(KVMIO, 0xa1, struct kvm_debugregs)
1575 #define KVM_SET_DEBUGREGS _IOW(KVMIO, 0xa2, struct kvm_debugregs)
1576 /*
1577 * vcpu version available with KVM_ENABLE_CAP
1578 * vm version available with KVM_CAP_ENABLE_CAP_VM
1579 */
1580 #define KVM_ENABLE_CAP _IOW(KVMIO, 0xa3, struct kvm_enable_cap)
1581 /* Available with KVM_CAP_XSAVE */
1582 #define KVM_GET_XSAVE _IOR(KVMIO, 0xa4, struct kvm_xsave)
1583 #define KVM_SET_XSAVE _IOW(KVMIO, 0xa5, struct kvm_xsave)
1584 /* Available with KVM_CAP_XCRS */
1585 #define KVM_GET_XCRS _IOR(KVMIO, 0xa6, struct kvm_xcrs)
1586 #define KVM_SET_XCRS _IOW(KVMIO, 0xa7, struct kvm_xcrs)
1587 /* Available with KVM_CAP_SW_TLB */
1588 #define KVM_DIRTY_TLB _IOW(KVMIO, 0xaa, struct kvm_dirty_tlb)
1589 /* Available with KVM_CAP_ONE_REG */
1590 #define KVM_GET_ONE_REG _IOW(KVMIO, 0xab, struct kvm_one_reg)
1591 #define KVM_SET_ONE_REG _IOW(KVMIO, 0xac, struct kvm_one_reg)
1592 /* VM is being stopped by host */
1593 #define KVM_KVMCLOCK_CTRL _IO(KVMIO, 0xad)
1594 #define KVM_ARM_VCPU_INIT _IOW(KVMIO, 0xae, struct kvm_vcpu_init)
1595 #define KVM_ARM_PREFERRED_TARGET _IOR(KVMIO, 0xaf, struct kvm_vcpu_init)
1596 #define KVM_GET_REG_LIST _IOWR(KVMIO, 0xb0, struct kvm_reg_list)
1597 /* Available with KVM_CAP_S390_MEM_OP */
1598 #define KVM_S390_MEM_OP _IOW(KVMIO, 0xb1, struct kvm_s390_mem_op)
1599 /* Available with KVM_CAP_S390_SKEYS */
1600 #define KVM_S390_GET_SKEYS _IOW(KVMIO, 0xb2, struct kvm_s390_skeys)
1601 #define KVM_S390_SET_SKEYS _IOW(KVMIO, 0xb3, struct kvm_s390_skeys)
1602 /* Available with KVM_CAP_S390_INJECT_IRQ */
1603 #define KVM_S390_IRQ _IOW(KVMIO, 0xb4, struct kvm_s390_irq)
1604 /* Available with KVM_CAP_S390_IRQ_STATE */
1605 #define KVM_S390_SET_IRQ_STATE _IOW(KVMIO, 0xb5, struct kvm_s390_irq_state)
1606 #define KVM_S390_GET_IRQ_STATE _IOW(KVMIO, 0xb6, struct kvm_s390_irq_state)
1607 /* Available with KVM_CAP_X86_SMM */
1608 #define KVM_SMI _IO(KVMIO, 0xb7)
1609 /* Available with KVM_CAP_S390_CMMA_MIGRATION */
1610 #define KVM_S390_GET_CMMA_BITS _IOWR(KVMIO, 0xb8, struct kvm_s390_cmma_log)
1611 #define KVM_S390_SET_CMMA_BITS _IOW(KVMIO, 0xb9, struct kvm_s390_cmma_log)
1612 /* Memory Encryption Commands */
1613 #define KVM_MEMORY_ENCRYPT_OP _IOWR(KVMIO, 0xba, unsigned long)
1614
1615 struct kvm_enc_region {
1616 __u64 addr;
1617 __u64 size;
1618 };
1619
1620 #define KVM_MEMORY_ENCRYPT_REG_REGION _IOR(KVMIO, 0xbb, struct kvm_enc_region)
1621 #define KVM_MEMORY_ENCRYPT_UNREG_REGION _IOR(KVMIO, 0xbc, struct kvm_enc_region)
1622
1623 /* Available with KVM_CAP_HYPERV_EVENTFD */
1624 #define KVM_HYPERV_EVENTFD _IOW(KVMIO, 0xbd, struct kvm_hyperv_eventfd)
1625
1626 /* Available with KVM_CAP_NESTED_STATE */
1627 #define KVM_GET_NESTED_STATE _IOWR(KVMIO, 0xbe, struct kvm_nested_state)
1628 #define KVM_SET_NESTED_STATE _IOW(KVMIO, 0xbf, struct kvm_nested_state)
1629
1630 /* Available with KVM_CAP_MANUAL_DIRTY_LOG_PROTECT_2 */
1631 #define KVM_CLEAR_DIRTY_LOG _IOWR(KVMIO, 0xc0, struct kvm_clear_dirty_log)
1632
1633 /* Available with KVM_CAP_HYPERV_CPUID (vcpu) / KVM_CAP_SYS_HYPERV_CPUID (system) */
1634 #define KVM_GET_SUPPORTED_HV_CPUID _IOWR(KVMIO, 0xc1, struct kvm_cpuid2)
1635
1636 /* Available with KVM_CAP_ARM_SVE */
1637 #define KVM_ARM_VCPU_FINALIZE _IOW(KVMIO, 0xc2, int)
1638
1639 /* Available with KVM_CAP_S390_VCPU_RESETS */
1640 #define KVM_S390_NORMAL_RESET _IO(KVMIO, 0xc3)
1641 #define KVM_S390_CLEAR_RESET _IO(KVMIO, 0xc4)
1642
1643 struct kvm_s390_pv_sec_parm {
1644 __u64 origin;
1645 __u64 length;
1646 };
1647
1648 struct kvm_s390_pv_unp {
1649 __u64 addr;
1650 __u64 size;
1651 __u64 tweak;
1652 };
1653
1654 enum pv_cmd_id {
1655 KVM_PV_ENABLE,
1656 KVM_PV_DISABLE,
1657 KVM_PV_SET_SEC_PARMS,
1658 KVM_PV_UNPACK,
1659 KVM_PV_VERIFY,
1660 KVM_PV_PREP_RESET,
1661 KVM_PV_UNSHARE_ALL,
1662 };
1663
1664 struct kvm_pv_cmd {
1665 __u32 cmd; /* Command to be executed */
1666 __u16 rc; /* Ultravisor return code */
1667 __u16 rrc; /* Ultravisor return reason code */
1668 __u64 data; /* Data or address */
1669 __u32 flags; /* flags for future extensions. Must be 0 for now */
1670 __u32 reserved[3];
1671 };
1672
1673 /* Available with KVM_CAP_S390_PROTECTED */
1674 #define KVM_S390_PV_COMMAND _IOWR(KVMIO, 0xc5, struct kvm_pv_cmd)
1675
1676 /* Available with KVM_CAP_X86_MSR_FILTER */
1677 #define KVM_X86_SET_MSR_FILTER _IOW(KVMIO, 0xc6, struct kvm_msr_filter)
1678
1679 /* Available with KVM_CAP_DIRTY_LOG_RING */
1680 #define KVM_RESET_DIRTY_RINGS _IO(KVMIO, 0xc7)
1681
1682 /* Per-VM Xen attributes */
1683 #define KVM_XEN_HVM_GET_ATTR _IOWR(KVMIO, 0xc8, struct kvm_xen_hvm_attr)
1684 #define KVM_XEN_HVM_SET_ATTR _IOW(KVMIO, 0xc9, struct kvm_xen_hvm_attr)
1685
1686 struct kvm_xen_hvm_attr {
1687 __u16 type;
1688 __u16 pad[3];
1689 union {
1690 __u8 long_mode;
1691 __u8 vector;
1692 struct {
1693 __u64 gfn;
1694 } shared_info;
1695 __u64 pad[8];
1696 } u;
1697 };
1698
1699 /* Available with KVM_CAP_XEN_HVM / KVM_XEN_HVM_CONFIG_SHARED_INFO */
1700 #define KVM_XEN_ATTR_TYPE_LONG_MODE 0x0
1701 #define KVM_XEN_ATTR_TYPE_SHARED_INFO 0x1
1702 #define KVM_XEN_ATTR_TYPE_UPCALL_VECTOR 0x2
1703
1704 /* Per-vCPU Xen attributes */
1705 #define KVM_XEN_VCPU_GET_ATTR _IOWR(KVMIO, 0xca, struct kvm_xen_vcpu_attr)
1706 #define KVM_XEN_VCPU_SET_ATTR _IOW(KVMIO, 0xcb, struct kvm_xen_vcpu_attr)
1707
1708 #define KVM_GET_SREGS2 _IOR(KVMIO, 0xcc, struct kvm_sregs2)
1709 #define KVM_SET_SREGS2 _IOW(KVMIO, 0xcd, struct kvm_sregs2)
1710
1711 struct kvm_xen_vcpu_attr {
1712 __u16 type;
1713 __u16 pad[3];
1714 union {
1715 __u64 gpa;
1716 __u64 pad[8];
1717 struct {
1718 __u64 state;
1719 __u64 state_entry_time;
1720 __u64 time_running;
1721 __u64 time_runnable;
1722 __u64 time_blocked;
1723 __u64 time_offline;
1724 } runstate;
1725 } u;
1726 };
1727
1728 /* Available with KVM_CAP_XEN_HVM / KVM_XEN_HVM_CONFIG_SHARED_INFO */
1729 #define KVM_XEN_VCPU_ATTR_TYPE_VCPU_INFO 0x0
1730 #define KVM_XEN_VCPU_ATTR_TYPE_VCPU_TIME_INFO 0x1
1731 #define KVM_XEN_VCPU_ATTR_TYPE_RUNSTATE_ADDR 0x2
1732 #define KVM_XEN_VCPU_ATTR_TYPE_RUNSTATE_CURRENT 0x3
1733 #define KVM_XEN_VCPU_ATTR_TYPE_RUNSTATE_DATA 0x4
1734 #define KVM_XEN_VCPU_ATTR_TYPE_RUNSTATE_ADJUST 0x5
1735
1736 /* Secure Encrypted Virtualization command */
1737 enum sev_cmd_id {
1738 /* Guest initialization commands */
1739 KVM_SEV_INIT = 0,
1740 KVM_SEV_ES_INIT,
1741 /* Guest launch commands */
1742 KVM_SEV_LAUNCH_START,
1743 KVM_SEV_LAUNCH_UPDATE_DATA,
1744 KVM_SEV_LAUNCH_UPDATE_VMSA,
1745 KVM_SEV_LAUNCH_SECRET,
1746 KVM_SEV_LAUNCH_MEASURE,
1747 KVM_SEV_LAUNCH_FINISH,
1748 /* Guest migration commands (outgoing) */
1749 KVM_SEV_SEND_START,
1750 KVM_SEV_SEND_UPDATE_DATA,
1751 KVM_SEV_SEND_UPDATE_VMSA,
1752 KVM_SEV_SEND_FINISH,
1753 /* Guest migration commands (incoming) */
1754 KVM_SEV_RECEIVE_START,
1755 KVM_SEV_RECEIVE_UPDATE_DATA,
1756 KVM_SEV_RECEIVE_UPDATE_VMSA,
1757 KVM_SEV_RECEIVE_FINISH,
1758 /* Guest status and debug commands */
1759 KVM_SEV_GUEST_STATUS,
1760 KVM_SEV_DBG_DECRYPT,
1761 KVM_SEV_DBG_ENCRYPT,
1762 /* Guest certificates commands */
1763 KVM_SEV_CERT_EXPORT,
1764 /* Attestation report */
1765 KVM_SEV_GET_ATTESTATION_REPORT,
1766 /* Guest Migration Extension */
1767 KVM_SEV_SEND_CANCEL,
1768
1769 KVM_SEV_NR_MAX,
1770 };
1771
1772 struct kvm_sev_cmd {
1773 __u32 id;
1774 __u64 data;
1775 __u32 error;
1776 __u32 sev_fd;
1777 };
1778
1779 struct kvm_sev_launch_start {
1780 __u32 handle;
1781 __u32 policy;
1782 __u64 dh_uaddr;
1783 __u32 dh_len;
1784 __u64 session_uaddr;
1785 __u32 session_len;
1786 };
1787
1788 struct kvm_sev_launch_update_data {
1789 __u64 uaddr;
1790 __u32 len;
1791 };
1792
1793
1794 struct kvm_sev_launch_secret {
1795 __u64 hdr_uaddr;
1796 __u32 hdr_len;
1797 __u64 guest_uaddr;
1798 __u32 guest_len;
1799 __u64 trans_uaddr;
1800 __u32 trans_len;
1801 };
1802
1803 struct kvm_sev_launch_measure {
1804 __u64 uaddr;
1805 __u32 len;
1806 };
1807
1808 struct kvm_sev_guest_status {
1809 __u32 handle;
1810 __u32 policy;
1811 __u32 state;
1812 };
1813
1814 struct kvm_sev_dbg {
1815 __u64 src_uaddr;
1816 __u64 dst_uaddr;
1817 __u32 len;
1818 };
1819
1820 struct kvm_sev_attestation_report {
1821 __u8 mnonce[16];
1822 __u64 uaddr;
1823 __u32 len;
1824 };
1825
1826 struct kvm_sev_send_start {
1827 __u32 policy;
1828 __u64 pdh_cert_uaddr;
1829 __u32 pdh_cert_len;
1830 __u64 plat_certs_uaddr;
1831 __u32 plat_certs_len;
1832 __u64 amd_certs_uaddr;
1833 __u32 amd_certs_len;
1834 __u64 session_uaddr;
1835 __u32 session_len;
1836 };
1837
1838 struct kvm_sev_send_update_data {
1839 __u64 hdr_uaddr;
1840 __u32 hdr_len;
1841 __u64 guest_uaddr;
1842 __u32 guest_len;
1843 __u64 trans_uaddr;
1844 __u32 trans_len;
1845 };
1846
1847 struct kvm_sev_receive_start {
1848 __u32 handle;
1849 __u32 policy;
1850 __u64 pdh_uaddr;
1851 __u32 pdh_len;
1852 __u64 session_uaddr;
1853 __u32 session_len;
1854 };
1855
1856 struct kvm_sev_receive_update_data {
1857 __u64 hdr_uaddr;
1858 __u32 hdr_len;
1859 __u64 guest_uaddr;
1860 __u32 guest_len;
1861 __u64 trans_uaddr;
1862 __u32 trans_len;
1863 };
1864
1865 #define KVM_DEV_ASSIGN_ENABLE_IOMMU (1 << 0)
1866 #define KVM_DEV_ASSIGN_PCI_2_3 (1 << 1)
1867 #define KVM_DEV_ASSIGN_MASK_INTX (1 << 2)
1868
1869 struct kvm_assigned_pci_dev {
1870 __u32 assigned_dev_id;
1871 __u32 busnr;
1872 __u32 devfn;
1873 __u32 flags;
1874 __u32 segnr;
1875 union {
1876 __u32 reserved[11];
1877 };
1878 };
1879
1880 #define KVM_DEV_IRQ_HOST_INTX (1 << 0)
1881 #define KVM_DEV_IRQ_HOST_MSI (1 << 1)
1882 #define KVM_DEV_IRQ_HOST_MSIX (1 << 2)
1883
1884 #define KVM_DEV_IRQ_GUEST_INTX (1 << 8)
1885 #define KVM_DEV_IRQ_GUEST_MSI (1 << 9)
1886 #define KVM_DEV_IRQ_GUEST_MSIX (1 << 10)
1887
1888 #define KVM_DEV_IRQ_HOST_MASK 0x00ff
1889 #define KVM_DEV_IRQ_GUEST_MASK 0xff00
1890
1891 struct kvm_assigned_irq {
1892 __u32 assigned_dev_id;
1893 __u32 host_irq; /* ignored (legacy field) */
1894 __u32 guest_irq;
1895 __u32 flags;
1896 union {
1897 __u32 reserved[12];
1898 };
1899 };
1900
1901 struct kvm_assigned_msix_nr {
1902 __u32 assigned_dev_id;
1903 __u16 entry_nr;
1904 __u16 padding;
1905 };
1906
1907 #define KVM_MAX_MSIX_PER_DEV 256
1908 struct kvm_assigned_msix_entry {
1909 __u32 assigned_dev_id;
1910 __u32 gsi;
1911 __u16 entry; /* The index of entry in the MSI-X table */
1912 __u16 padding[3];
1913 };
1914
1915 #define KVM_X2APIC_API_USE_32BIT_IDS (1ULL << 0)
1916 #define KVM_X2APIC_API_DISABLE_BROADCAST_QUIRK (1ULL << 1)
1917
1918 /* Available with KVM_CAP_ARM_USER_IRQ */
1919
1920 /* Bits for run->s.regs.device_irq_level */
1921 #define KVM_ARM_DEV_EL1_VTIMER (1 << 0)
1922 #define KVM_ARM_DEV_EL1_PTIMER (1 << 1)
1923 #define KVM_ARM_DEV_PMU (1 << 2)
1924
1925 struct kvm_hyperv_eventfd {
1926 __u32 conn_id;
1927 __s32 fd;
1928 __u32 flags;
1929 __u32 padding[3];
1930 };
1931
1932 #define KVM_HYPERV_CONN_ID_MASK 0x00ffffff
1933 #define KVM_HYPERV_EVENTFD_DEASSIGN (1 << 0)
1934
1935 #define KVM_DIRTY_LOG_MANUAL_PROTECT_ENABLE (1 << 0)
1936 #define KVM_DIRTY_LOG_INITIALLY_SET (1 << 1)
1937
1938 /*
1939 * Arch needs to define the macro after implementing the dirty ring
1940 * feature. KVM_DIRTY_LOG_PAGE_OFFSET should be defined as the
1941 * starting page offset of the dirty ring structures.
1942 */
1943 #ifndef KVM_DIRTY_LOG_PAGE_OFFSET
1944 #define KVM_DIRTY_LOG_PAGE_OFFSET 0
1945 #endif
1946
1947 /*
1948 * KVM dirty GFN flags, defined as:
1949 *
1950 * |---------------+---------------+--------------|
1951 * | bit 1 (reset) | bit 0 (dirty) | Status |
1952 * |---------------+---------------+--------------|
1953 * | 0 | 0 | Invalid GFN |
1954 * | 0 | 1 | Dirty GFN |
1955 * | 1 | X | GFN to reset |
1956 * |---------------+---------------+--------------|
1957 *
1958 * Lifecycle of a dirty GFN goes like:
1959 *
1960 * dirtied harvested reset
1961 * 00 -----------> 01 -------------> 1X -------+
1962 * ^ |
1963 * | |
1964 * +------------------------------------------+
1965 *
1966 * The userspace program is only responsible for the 01->1X state
1967 * conversion after harvesting an entry. Also, it must not skip any
1968 * dirty bits, so that dirty bits are always harvested in sequence.
1969 */
1970 #define KVM_DIRTY_GFN_F_DIRTY _BITUL(0)
1971 #define KVM_DIRTY_GFN_F_RESET _BITUL(1)
1972 #define KVM_DIRTY_GFN_F_MASK 0x3
1973
1974 /*
1975 * KVM dirty rings should be mapped at KVM_DIRTY_LOG_PAGE_OFFSET of
1976 * per-vcpu mmaped regions as an array of struct kvm_dirty_gfn. The
1977 * size of the gfn buffer is decided by the first argument when
1978 * enabling KVM_CAP_DIRTY_LOG_RING.
1979 */
1980 struct kvm_dirty_gfn {
1981 __u32 flags;
1982 __u32 slot;
1983 __u64 offset;
1984 };
1985
1986 #define KVM_BUS_LOCK_DETECTION_OFF (1 << 0)
1987 #define KVM_BUS_LOCK_DETECTION_EXIT (1 << 1)
1988
1989 #define KVM_PMU_CAP_DISABLE (1 << 0)
1990
1991 /**
1992 * struct kvm_stats_header - Header of per vm/vcpu binary statistics data.
1993 * @flags: Some extra information for header, always 0 for now.
1994 * @name_size: The size in bytes of the memory which contains statistics
1995 * name string including trailing '\0'. The memory is allocated
1996 * at the send of statistics descriptor.
1997 * @num_desc: The number of statistics the vm or vcpu has.
1998 * @id_offset: The offset of the vm/vcpu stats' id string in the file pointed
1999 * by vm/vcpu stats fd.
2000 * @desc_offset: The offset of the vm/vcpu stats' descriptor block in the file
2001 * pointd by vm/vcpu stats fd.
2002 * @data_offset: The offset of the vm/vcpu stats' data block in the file
2003 * pointed by vm/vcpu stats fd.
2004 *
2005 * This is the header userspace needs to read from stats fd before any other
2006 * readings. It is used by userspace to discover all the information about the
2007 * vm/vcpu's binary statistics.
2008 * Userspace reads this header from the start of the vm/vcpu's stats fd.
2009 */
2010 struct kvm_stats_header {
2011 __u32 flags;
2012 __u32 name_size;
2013 __u32 num_desc;
2014 __u32 id_offset;
2015 __u32 desc_offset;
2016 __u32 data_offset;
2017 };
2018
2019 #define KVM_STATS_TYPE_SHIFT 0
2020 #define KVM_STATS_TYPE_MASK (0xF << KVM_STATS_TYPE_SHIFT)
2021 #define KVM_STATS_TYPE_CUMULATIVE (0x0 << KVM_STATS_TYPE_SHIFT)
2022 #define KVM_STATS_TYPE_INSTANT (0x1 << KVM_STATS_TYPE_SHIFT)
2023 #define KVM_STATS_TYPE_PEAK (0x2 << KVM_STATS_TYPE_SHIFT)
2024 #define KVM_STATS_TYPE_LINEAR_HIST (0x3 << KVM_STATS_TYPE_SHIFT)
2025 #define KVM_STATS_TYPE_LOG_HIST (0x4 << KVM_STATS_TYPE_SHIFT)
2026 #define KVM_STATS_TYPE_MAX KVM_STATS_TYPE_LOG_HIST
2027
2028 #define KVM_STATS_UNIT_SHIFT 4
2029 #define KVM_STATS_UNIT_MASK (0xF << KVM_STATS_UNIT_SHIFT)
2030 #define KVM_STATS_UNIT_NONE (0x0 << KVM_STATS_UNIT_SHIFT)
2031 #define KVM_STATS_UNIT_BYTES (0x1 << KVM_STATS_UNIT_SHIFT)
2032 #define KVM_STATS_UNIT_SECONDS (0x2 << KVM_STATS_UNIT_SHIFT)
2033 #define KVM_STATS_UNIT_CYCLES (0x3 << KVM_STATS_UNIT_SHIFT)
2034 #define KVM_STATS_UNIT_MAX KVM_STATS_UNIT_CYCLES
2035
2036 #define KVM_STATS_BASE_SHIFT 8
2037 #define KVM_STATS_BASE_MASK (0xF << KVM_STATS_BASE_SHIFT)
2038 #define KVM_STATS_BASE_POW10 (0x0 << KVM_STATS_BASE_SHIFT)
2039 #define KVM_STATS_BASE_POW2 (0x1 << KVM_STATS_BASE_SHIFT)
2040 #define KVM_STATS_BASE_MAX KVM_STATS_BASE_POW2
2041
2042 /**
2043 * struct kvm_stats_desc - Descriptor of a KVM statistics.
2044 * @flags: Annotations of the stats, like type, unit, etc.
2045 * @exponent: Used together with @flags to determine the unit.
2046 * @size: The number of data items for this stats.
2047 * Every data item is of type __u64.
2048 * @offset: The offset of the stats to the start of stat structure in
2049 * structure kvm or kvm_vcpu.
2050 * @bucket_size: A parameter value used for histogram stats. It is only used
2051 * for linear histogram stats, specifying the size of the bucket;
2052 * @name: The name string for the stats. Its size is indicated by the
2053 * &kvm_stats_header->name_size.
2054 */
2055 struct kvm_stats_desc {
2056 __u32 flags;
2057 __s16 exponent;
2058 __u16 size;
2059 __u32 offset;
2060 __u32 bucket_size;
2061 char name[];
2062 };
2063
2064 #define KVM_GET_STATS_FD _IO(KVMIO, 0xce)
2065
2066 /* Available with KVM_CAP_XSAVE2 */
2067 #define KVM_GET_XSAVE2 _IOR(KVMIO, 0xcf, struct kvm_xsave)
2068
2069 #endif /* __LINUX_KVM_H */