Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
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linux
1/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
2#ifndef __LINUX_KVM_H
3#define __LINUX_KVM_H
4
5/*
6 * Userspace interface for /dev/kvm - kernel based virtual machine
7 *
8 * Note: you must update KVM_API_VERSION if you change this interface.
9 */
10
11#include <linux/const.h>
12#include <linux/types.h>
13#include <linux/compiler.h>
14#include <linux/ioctl.h>
15#include <asm/kvm.h>
16
17#define KVM_API_VERSION 12
18
19/* *** Deprecated interfaces *** */
20
21#define KVM_TRC_SHIFT 16
22
23#define KVM_TRC_ENTRYEXIT (1 << KVM_TRC_SHIFT)
24#define KVM_TRC_HANDLER (1 << (KVM_TRC_SHIFT + 1))
25
26#define KVM_TRC_VMENTRY (KVM_TRC_ENTRYEXIT + 0x01)
27#define KVM_TRC_VMEXIT (KVM_TRC_ENTRYEXIT + 0x02)
28#define KVM_TRC_PAGE_FAULT (KVM_TRC_HANDLER + 0x01)
29
30#define KVM_TRC_HEAD_SIZE 12
31#define KVM_TRC_CYCLE_SIZE 8
32#define KVM_TRC_EXTRA_MAX 7
33
34#define KVM_TRC_INJ_VIRQ (KVM_TRC_HANDLER + 0x02)
35#define KVM_TRC_REDELIVER_EVT (KVM_TRC_HANDLER + 0x03)
36#define KVM_TRC_PEND_INTR (KVM_TRC_HANDLER + 0x04)
37#define KVM_TRC_IO_READ (KVM_TRC_HANDLER + 0x05)
38#define KVM_TRC_IO_WRITE (KVM_TRC_HANDLER + 0x06)
39#define KVM_TRC_CR_READ (KVM_TRC_HANDLER + 0x07)
40#define KVM_TRC_CR_WRITE (KVM_TRC_HANDLER + 0x08)
41#define KVM_TRC_DR_READ (KVM_TRC_HANDLER + 0x09)
42#define KVM_TRC_DR_WRITE (KVM_TRC_HANDLER + 0x0A)
43#define KVM_TRC_MSR_READ (KVM_TRC_HANDLER + 0x0B)
44#define KVM_TRC_MSR_WRITE (KVM_TRC_HANDLER + 0x0C)
45#define KVM_TRC_CPUID (KVM_TRC_HANDLER + 0x0D)
46#define KVM_TRC_INTR (KVM_TRC_HANDLER + 0x0E)
47#define KVM_TRC_NMI (KVM_TRC_HANDLER + 0x0F)
48#define KVM_TRC_VMMCALL (KVM_TRC_HANDLER + 0x10)
49#define KVM_TRC_HLT (KVM_TRC_HANDLER + 0x11)
50#define KVM_TRC_CLTS (KVM_TRC_HANDLER + 0x12)
51#define KVM_TRC_LMSW (KVM_TRC_HANDLER + 0x13)
52#define KVM_TRC_APIC_ACCESS (KVM_TRC_HANDLER + 0x14)
53#define KVM_TRC_TDP_FAULT (KVM_TRC_HANDLER + 0x15)
54#define KVM_TRC_GTLB_WRITE (KVM_TRC_HANDLER + 0x16)
55#define KVM_TRC_STLB_WRITE (KVM_TRC_HANDLER + 0x17)
56#define KVM_TRC_STLB_INVAL (KVM_TRC_HANDLER + 0x18)
57#define KVM_TRC_PPC_INSTR (KVM_TRC_HANDLER + 0x19)
58
59struct kvm_user_trace_setup {
60 __u32 buf_size;
61 __u32 buf_nr;
62};
63
64#define __KVM_DEPRECATED_MAIN_W_0x06 \
65 _IOW(KVMIO, 0x06, struct kvm_user_trace_setup)
66#define __KVM_DEPRECATED_MAIN_0x07 _IO(KVMIO, 0x07)
67#define __KVM_DEPRECATED_MAIN_0x08 _IO(KVMIO, 0x08)
68
69#define __KVM_DEPRECATED_VM_R_0x70 _IOR(KVMIO, 0x70, struct kvm_assigned_irq)
70
71struct kvm_breakpoint {
72 __u32 enabled;
73 __u32 padding;
74 __u64 address;
75};
76
77struct kvm_debug_guest {
78 __u32 enabled;
79 __u32 pad;
80 struct kvm_breakpoint breakpoints[4];
81 __u32 singlestep;
82};
83
84#define __KVM_DEPRECATED_VCPU_W_0x87 _IOW(KVMIO, 0x87, struct kvm_debug_guest)
85
86/* *** End of deprecated interfaces *** */
87
88
89/* for KVM_SET_USER_MEMORY_REGION */
90struct kvm_userspace_memory_region {
91 __u32 slot;
92 __u32 flags;
93 __u64 guest_phys_addr;
94 __u64 memory_size; /* bytes */
95 __u64 userspace_addr; /* start of the userspace allocated memory */
96};
97
98/*
99 * The bit 0 ~ bit 15 of kvm_userspace_memory_region::flags are visible for
100 * userspace, other bits are reserved for kvm internal use which are defined
101 * in include/linux/kvm_host.h.
102 */
103#define KVM_MEM_LOG_DIRTY_PAGES (1UL << 0)
104#define KVM_MEM_READONLY (1UL << 1)
105
106/* for KVM_IRQ_LINE */
107struct kvm_irq_level {
108 /*
109 * ACPI gsi notion of irq.
110 * For IA-64 (APIC model) IOAPIC0: irq 0-23; IOAPIC1: irq 24-47..
111 * For X86 (standard AT mode) PIC0/1: irq 0-15. IOAPIC0: 0-23..
112 * For ARM: See Documentation/virt/kvm/api.rst
113 */
114 union {
115 __u32 irq;
116 __s32 status;
117 };
118 __u32 level;
119};
120
121
122struct kvm_irqchip {
123 __u32 chip_id;
124 __u32 pad;
125 union {
126 char dummy[512]; /* reserving space */
127#ifdef __KVM_HAVE_PIT
128 struct kvm_pic_state pic;
129#endif
130#ifdef __KVM_HAVE_IOAPIC
131 struct kvm_ioapic_state ioapic;
132#endif
133 } chip;
134};
135
136/* for KVM_CREATE_PIT2 */
137struct kvm_pit_config {
138 __u32 flags;
139 __u32 pad[15];
140};
141
142#define KVM_PIT_SPEAKER_DUMMY 1
143
144struct kvm_s390_skeys {
145 __u64 start_gfn;
146 __u64 count;
147 __u64 skeydata_addr;
148 __u32 flags;
149 __u32 reserved[9];
150};
151
152#define KVM_S390_CMMA_PEEK (1 << 0)
153
154/**
155 * kvm_s390_cmma_log - Used for CMMA migration.
156 *
157 * Used both for input and output.
158 *
159 * @start_gfn: Guest page number to start from.
160 * @count: Size of the result buffer.
161 * @flags: Control operation mode via KVM_S390_CMMA_* flags
162 * @remaining: Used with KVM_S390_GET_CMMA_BITS. Indicates how many dirty
163 * pages are still remaining.
164 * @mask: Used with KVM_S390_SET_CMMA_BITS. Bitmap of bits to actually set
165 * in the PGSTE.
166 * @values: Pointer to the values buffer.
167 *
168 * Used in KVM_S390_{G,S}ET_CMMA_BITS ioctls.
169 */
170struct kvm_s390_cmma_log {
171 __u64 start_gfn;
172 __u32 count;
173 __u32 flags;
174 union {
175 __u64 remaining;
176 __u64 mask;
177 };
178 __u64 values;
179};
180
181struct kvm_hyperv_exit {
182#define KVM_EXIT_HYPERV_SYNIC 1
183#define KVM_EXIT_HYPERV_HCALL 2
184#define KVM_EXIT_HYPERV_SYNDBG 3
185 __u32 type;
186 __u32 pad1;
187 union {
188 struct {
189 __u32 msr;
190 __u32 pad2;
191 __u64 control;
192 __u64 evt_page;
193 __u64 msg_page;
194 } synic;
195 struct {
196 __u64 input;
197 __u64 result;
198 __u64 params[2];
199 } hcall;
200 struct {
201 __u32 msr;
202 __u32 pad2;
203 __u64 control;
204 __u64 status;
205 __u64 send_page;
206 __u64 recv_page;
207 __u64 pending_page;
208 } syndbg;
209 } u;
210};
211
212struct kvm_xen_exit {
213#define KVM_EXIT_XEN_HCALL 1
214 __u32 type;
215 union {
216 struct {
217 __u32 longmode;
218 __u32 cpl;
219 __u64 input;
220 __u64 result;
221 __u64 params[6];
222 } hcall;
223 } u;
224};
225
226#define KVM_S390_GET_SKEYS_NONE 1
227#define KVM_S390_SKEYS_MAX 1048576
228
229#define KVM_EXIT_UNKNOWN 0
230#define KVM_EXIT_EXCEPTION 1
231#define KVM_EXIT_IO 2
232#define KVM_EXIT_HYPERCALL 3
233#define KVM_EXIT_DEBUG 4
234#define KVM_EXIT_HLT 5
235#define KVM_EXIT_MMIO 6
236#define KVM_EXIT_IRQ_WINDOW_OPEN 7
237#define KVM_EXIT_SHUTDOWN 8
238#define KVM_EXIT_FAIL_ENTRY 9
239#define KVM_EXIT_INTR 10
240#define KVM_EXIT_SET_TPR 11
241#define KVM_EXIT_TPR_ACCESS 12
242#define KVM_EXIT_S390_SIEIC 13
243#define KVM_EXIT_S390_RESET 14
244#define KVM_EXIT_DCR 15 /* deprecated */
245#define KVM_EXIT_NMI 16
246#define KVM_EXIT_INTERNAL_ERROR 17
247#define KVM_EXIT_OSI 18
248#define KVM_EXIT_PAPR_HCALL 19
249#define KVM_EXIT_S390_UCONTROL 20
250#define KVM_EXIT_WATCHDOG 21
251#define KVM_EXIT_S390_TSCH 22
252#define KVM_EXIT_EPR 23
253#define KVM_EXIT_SYSTEM_EVENT 24
254#define KVM_EXIT_S390_STSI 25
255#define KVM_EXIT_IOAPIC_EOI 26
256#define KVM_EXIT_HYPERV 27
257#define KVM_EXIT_ARM_NISV 28
258#define KVM_EXIT_X86_RDMSR 29
259#define KVM_EXIT_X86_WRMSR 30
260#define KVM_EXIT_DIRTY_RING_FULL 31
261#define KVM_EXIT_AP_RESET_HOLD 32
262#define KVM_EXIT_X86_BUS_LOCK 33
263#define KVM_EXIT_XEN 34
264#define KVM_EXIT_RISCV_SBI 35
265#define KVM_EXIT_RISCV_CSR 36
266#define KVM_EXIT_NOTIFY 37
267
268/* For KVM_EXIT_INTERNAL_ERROR */
269/* Emulate instruction failed. */
270#define KVM_INTERNAL_ERROR_EMULATION 1
271/* Encounter unexpected simultaneous exceptions. */
272#define KVM_INTERNAL_ERROR_SIMUL_EX 2
273/* Encounter unexpected vm-exit due to delivery event. */
274#define KVM_INTERNAL_ERROR_DELIVERY_EV 3
275/* Encounter unexpected vm-exit reason */
276#define KVM_INTERNAL_ERROR_UNEXPECTED_EXIT_REASON 4
277
278/* Flags that describe what fields in emulation_failure hold valid data. */
279#define KVM_INTERNAL_ERROR_EMULATION_FLAG_INSTRUCTION_BYTES (1ULL << 0)
280
281/* for KVM_RUN, returned by mmap(vcpu_fd, offset=0) */
282struct kvm_run {
283 /* in */
284 __u8 request_interrupt_window;
285 __u8 immediate_exit;
286 __u8 padding1[6];
287
288 /* out */
289 __u32 exit_reason;
290 __u8 ready_for_interrupt_injection;
291 __u8 if_flag;
292 __u16 flags;
293
294 /* in (pre_kvm_run), out (post_kvm_run) */
295 __u64 cr8;
296 __u64 apic_base;
297
298#ifdef __KVM_S390
299 /* the processor status word for s390 */
300 __u64 psw_mask; /* psw upper half */
301 __u64 psw_addr; /* psw lower half */
302#endif
303 union {
304 /* KVM_EXIT_UNKNOWN */
305 struct {
306 __u64 hardware_exit_reason;
307 } hw;
308 /* KVM_EXIT_FAIL_ENTRY */
309 struct {
310 __u64 hardware_entry_failure_reason;
311 __u32 cpu;
312 } fail_entry;
313 /* KVM_EXIT_EXCEPTION */
314 struct {
315 __u32 exception;
316 __u32 error_code;
317 } ex;
318 /* KVM_EXIT_IO */
319 struct {
320#define KVM_EXIT_IO_IN 0
321#define KVM_EXIT_IO_OUT 1
322 __u8 direction;
323 __u8 size; /* bytes */
324 __u16 port;
325 __u32 count;
326 __u64 data_offset; /* relative to kvm_run start */
327 } io;
328 /* KVM_EXIT_DEBUG */
329 struct {
330 struct kvm_debug_exit_arch arch;
331 } debug;
332 /* KVM_EXIT_MMIO */
333 struct {
334 __u64 phys_addr;
335 __u8 data[8];
336 __u32 len;
337 __u8 is_write;
338 } mmio;
339 /* KVM_EXIT_HYPERCALL */
340 struct {
341 __u64 nr;
342 __u64 args[6];
343 __u64 ret;
344
345 union {
346#ifndef __KERNEL__
347 __u32 longmode;
348#endif
349 __u64 flags;
350 };
351 } hypercall;
352 /* KVM_EXIT_TPR_ACCESS */
353 struct {
354 __u64 rip;
355 __u32 is_write;
356 __u32 pad;
357 } tpr_access;
358 /* KVM_EXIT_S390_SIEIC */
359 struct {
360 __u8 icptcode;
361 __u16 ipa;
362 __u32 ipb;
363 } s390_sieic;
364 /* KVM_EXIT_S390_RESET */
365#define KVM_S390_RESET_POR 1
366#define KVM_S390_RESET_CLEAR 2
367#define KVM_S390_RESET_SUBSYSTEM 4
368#define KVM_S390_RESET_CPU_INIT 8
369#define KVM_S390_RESET_IPL 16
370 __u64 s390_reset_flags;
371 /* KVM_EXIT_S390_UCONTROL */
372 struct {
373 __u64 trans_exc_code;
374 __u32 pgm_code;
375 } s390_ucontrol;
376 /* KVM_EXIT_DCR (deprecated) */
377 struct {
378 __u32 dcrn;
379 __u32 data;
380 __u8 is_write;
381 } dcr;
382 /* KVM_EXIT_INTERNAL_ERROR */
383 struct {
384 __u32 suberror;
385 /* Available with KVM_CAP_INTERNAL_ERROR_DATA: */
386 __u32 ndata;
387 __u64 data[16];
388 } internal;
389 /*
390 * KVM_INTERNAL_ERROR_EMULATION
391 *
392 * "struct emulation_failure" is an overlay of "struct internal"
393 * that is used for the KVM_INTERNAL_ERROR_EMULATION sub-type of
394 * KVM_EXIT_INTERNAL_ERROR. Note, unlike other internal error
395 * sub-types, this struct is ABI! It also needs to be backwards
396 * compatible with "struct internal". Take special care that
397 * "ndata" is correct, that new fields are enumerated in "flags",
398 * and that each flag enumerates fields that are 64-bit aligned
399 * and sized (so that ndata+internal.data[] is valid/accurate).
400 *
401 * Space beyond the defined fields may be used to store arbitrary
402 * debug information relating to the emulation failure. It is
403 * accounted for in "ndata" but the format is unspecified and is
404 * not represented in "flags". Any such information is *not* ABI!
405 */
406 struct {
407 __u32 suberror;
408 __u32 ndata;
409 __u64 flags;
410 union {
411 struct {
412 __u8 insn_size;
413 __u8 insn_bytes[15];
414 };
415 };
416 /* Arbitrary debug data may follow. */
417 } emulation_failure;
418 /* KVM_EXIT_OSI */
419 struct {
420 __u64 gprs[32];
421 } osi;
422 /* KVM_EXIT_PAPR_HCALL */
423 struct {
424 __u64 nr;
425 __u64 ret;
426 __u64 args[9];
427 } papr_hcall;
428 /* KVM_EXIT_S390_TSCH */
429 struct {
430 __u16 subchannel_id;
431 __u16 subchannel_nr;
432 __u32 io_int_parm;
433 __u32 io_int_word;
434 __u32 ipb;
435 __u8 dequeued;
436 } s390_tsch;
437 /* KVM_EXIT_EPR */
438 struct {
439 __u32 epr;
440 } epr;
441 /* KVM_EXIT_SYSTEM_EVENT */
442 struct {
443#define KVM_SYSTEM_EVENT_SHUTDOWN 1
444#define KVM_SYSTEM_EVENT_RESET 2
445#define KVM_SYSTEM_EVENT_CRASH 3
446#define KVM_SYSTEM_EVENT_WAKEUP 4
447#define KVM_SYSTEM_EVENT_SUSPEND 5
448#define KVM_SYSTEM_EVENT_SEV_TERM 6
449 __u32 type;
450 __u32 ndata;
451 union {
452#ifndef __KERNEL__
453 __u64 flags;
454#endif
455 __u64 data[16];
456 };
457 } system_event;
458 /* KVM_EXIT_S390_STSI */
459 struct {
460 __u64 addr;
461 __u8 ar;
462 __u8 reserved;
463 __u8 fc;
464 __u8 sel1;
465 __u16 sel2;
466 } s390_stsi;
467 /* KVM_EXIT_IOAPIC_EOI */
468 struct {
469 __u8 vector;
470 } eoi;
471 /* KVM_EXIT_HYPERV */
472 struct kvm_hyperv_exit hyperv;
473 /* KVM_EXIT_ARM_NISV */
474 struct {
475 __u64 esr_iss;
476 __u64 fault_ipa;
477 } arm_nisv;
478 /* KVM_EXIT_X86_RDMSR / KVM_EXIT_X86_WRMSR */
479 struct {
480 __u8 error; /* user -> kernel */
481 __u8 pad[7];
482#define KVM_MSR_EXIT_REASON_INVAL (1 << 0)
483#define KVM_MSR_EXIT_REASON_UNKNOWN (1 << 1)
484#define KVM_MSR_EXIT_REASON_FILTER (1 << 2)
485#define KVM_MSR_EXIT_REASON_VALID_MASK (KVM_MSR_EXIT_REASON_INVAL | \
486 KVM_MSR_EXIT_REASON_UNKNOWN | \
487 KVM_MSR_EXIT_REASON_FILTER)
488 __u32 reason; /* kernel -> user */
489 __u32 index; /* kernel -> user */
490 __u64 data; /* kernel <-> user */
491 } msr;
492 /* KVM_EXIT_XEN */
493 struct kvm_xen_exit xen;
494 /* KVM_EXIT_RISCV_SBI */
495 struct {
496 unsigned long extension_id;
497 unsigned long function_id;
498 unsigned long args[6];
499 unsigned long ret[2];
500 } riscv_sbi;
501 /* KVM_EXIT_RISCV_CSR */
502 struct {
503 unsigned long csr_num;
504 unsigned long new_value;
505 unsigned long write_mask;
506 unsigned long ret_value;
507 } riscv_csr;
508 /* KVM_EXIT_NOTIFY */
509 struct {
510#define KVM_NOTIFY_CONTEXT_INVALID (1 << 0)
511 __u32 flags;
512 } notify;
513 /* Fix the size of the union. */
514 char padding[256];
515 };
516
517 /* 2048 is the size of the char array used to bound/pad the size
518 * of the union that holds sync regs.
519 */
520 #define SYNC_REGS_SIZE_BYTES 2048
521 /*
522 * shared registers between kvm and userspace.
523 * kvm_valid_regs specifies the register classes set by the host
524 * kvm_dirty_regs specified the register classes dirtied by userspace
525 * struct kvm_sync_regs is architecture specific, as well as the
526 * bits for kvm_valid_regs and kvm_dirty_regs
527 */
528 __u64 kvm_valid_regs;
529 __u64 kvm_dirty_regs;
530 union {
531 struct kvm_sync_regs regs;
532 char padding[SYNC_REGS_SIZE_BYTES];
533 } s;
534};
535
536/* for KVM_REGISTER_COALESCED_MMIO / KVM_UNREGISTER_COALESCED_MMIO */
537
538struct kvm_coalesced_mmio_zone {
539 __u64 addr;
540 __u32 size;
541 union {
542 __u32 pad;
543 __u32 pio;
544 };
545};
546
547struct kvm_coalesced_mmio {
548 __u64 phys_addr;
549 __u32 len;
550 union {
551 __u32 pad;
552 __u32 pio;
553 };
554 __u8 data[8];
555};
556
557struct kvm_coalesced_mmio_ring {
558 __u32 first, last;
559 struct kvm_coalesced_mmio coalesced_mmio[];
560};
561
562#define KVM_COALESCED_MMIO_MAX \
563 ((PAGE_SIZE - sizeof(struct kvm_coalesced_mmio_ring)) / \
564 sizeof(struct kvm_coalesced_mmio))
565
566/* for KVM_TRANSLATE */
567struct kvm_translation {
568 /* in */
569 __u64 linear_address;
570
571 /* out */
572 __u64 physical_address;
573 __u8 valid;
574 __u8 writeable;
575 __u8 usermode;
576 __u8 pad[5];
577};
578
579/* for KVM_S390_MEM_OP */
580struct kvm_s390_mem_op {
581 /* in */
582 __u64 gaddr; /* the guest address */
583 __u64 flags; /* flags */
584 __u32 size; /* amount of bytes */
585 __u32 op; /* type of operation */
586 __u64 buf; /* buffer in userspace */
587 union {
588 struct {
589 __u8 ar; /* the access register number */
590 __u8 key; /* access key, ignored if flag unset */
591 __u8 pad1[6]; /* ignored */
592 __u64 old_addr; /* ignored if cmpxchg flag unset */
593 };
594 __u32 sida_offset; /* offset into the sida */
595 __u8 reserved[32]; /* ignored */
596 };
597};
598/* types for kvm_s390_mem_op->op */
599#define KVM_S390_MEMOP_LOGICAL_READ 0
600#define KVM_S390_MEMOP_LOGICAL_WRITE 1
601#define KVM_S390_MEMOP_SIDA_READ 2
602#define KVM_S390_MEMOP_SIDA_WRITE 3
603#define KVM_S390_MEMOP_ABSOLUTE_READ 4
604#define KVM_S390_MEMOP_ABSOLUTE_WRITE 5
605#define KVM_S390_MEMOP_ABSOLUTE_CMPXCHG 6
606
607/* flags for kvm_s390_mem_op->flags */
608#define KVM_S390_MEMOP_F_CHECK_ONLY (1ULL << 0)
609#define KVM_S390_MEMOP_F_INJECT_EXCEPTION (1ULL << 1)
610#define KVM_S390_MEMOP_F_SKEY_PROTECTION (1ULL << 2)
611
612/* flags specifying extension support via KVM_CAP_S390_MEM_OP_EXTENSION */
613#define KVM_S390_MEMOP_EXTENSION_CAP_BASE (1 << 0)
614#define KVM_S390_MEMOP_EXTENSION_CAP_CMPXCHG (1 << 1)
615
616/* for KVM_INTERRUPT */
617struct kvm_interrupt {
618 /* in */
619 __u32 irq;
620};
621
622/* for KVM_GET_DIRTY_LOG */
623struct kvm_dirty_log {
624 __u32 slot;
625 __u32 padding1;
626 union {
627 void __user *dirty_bitmap; /* one bit per page */
628 __u64 padding2;
629 };
630};
631
632/* for KVM_CLEAR_DIRTY_LOG */
633struct kvm_clear_dirty_log {
634 __u32 slot;
635 __u32 num_pages;
636 __u64 first_page;
637 union {
638 void __user *dirty_bitmap; /* one bit per page */
639 __u64 padding2;
640 };
641};
642
643/* for KVM_SET_SIGNAL_MASK */
644struct kvm_signal_mask {
645 __u32 len;
646 __u8 sigset[];
647};
648
649/* for KVM_TPR_ACCESS_REPORTING */
650struct kvm_tpr_access_ctl {
651 __u32 enabled;
652 __u32 flags;
653 __u32 reserved[8];
654};
655
656/* for KVM_SET_VAPIC_ADDR */
657struct kvm_vapic_addr {
658 __u64 vapic_addr;
659};
660
661/* for KVM_SET_MP_STATE */
662
663/* not all states are valid on all architectures */
664#define KVM_MP_STATE_RUNNABLE 0
665#define KVM_MP_STATE_UNINITIALIZED 1
666#define KVM_MP_STATE_INIT_RECEIVED 2
667#define KVM_MP_STATE_HALTED 3
668#define KVM_MP_STATE_SIPI_RECEIVED 4
669#define KVM_MP_STATE_STOPPED 5
670#define KVM_MP_STATE_CHECK_STOP 6
671#define KVM_MP_STATE_OPERATING 7
672#define KVM_MP_STATE_LOAD 8
673#define KVM_MP_STATE_AP_RESET_HOLD 9
674#define KVM_MP_STATE_SUSPENDED 10
675
676struct kvm_mp_state {
677 __u32 mp_state;
678};
679
680struct kvm_s390_psw {
681 __u64 mask;
682 __u64 addr;
683};
684
685/* valid values for type in kvm_s390_interrupt */
686#define KVM_S390_SIGP_STOP 0xfffe0000u
687#define KVM_S390_PROGRAM_INT 0xfffe0001u
688#define KVM_S390_SIGP_SET_PREFIX 0xfffe0002u
689#define KVM_S390_RESTART 0xfffe0003u
690#define KVM_S390_INT_PFAULT_INIT 0xfffe0004u
691#define KVM_S390_INT_PFAULT_DONE 0xfffe0005u
692#define KVM_S390_MCHK 0xfffe1000u
693#define KVM_S390_INT_CLOCK_COMP 0xffff1004u
694#define KVM_S390_INT_CPU_TIMER 0xffff1005u
695#define KVM_S390_INT_VIRTIO 0xffff2603u
696#define KVM_S390_INT_SERVICE 0xffff2401u
697#define KVM_S390_INT_EMERGENCY 0xffff1201u
698#define KVM_S390_INT_EXTERNAL_CALL 0xffff1202u
699/* Anything below 0xfffe0000u is taken by INT_IO */
700#define KVM_S390_INT_IO(ai,cssid,ssid,schid) \
701 (((schid)) | \
702 ((ssid) << 16) | \
703 ((cssid) << 18) | \
704 ((ai) << 26))
705#define KVM_S390_INT_IO_MIN 0x00000000u
706#define KVM_S390_INT_IO_MAX 0xfffdffffu
707#define KVM_S390_INT_IO_AI_MASK 0x04000000u
708
709
710struct kvm_s390_interrupt {
711 __u32 type;
712 __u32 parm;
713 __u64 parm64;
714};
715
716struct kvm_s390_io_info {
717 __u16 subchannel_id;
718 __u16 subchannel_nr;
719 __u32 io_int_parm;
720 __u32 io_int_word;
721};
722
723struct kvm_s390_ext_info {
724 __u32 ext_params;
725 __u32 pad;
726 __u64 ext_params2;
727};
728
729struct kvm_s390_pgm_info {
730 __u64 trans_exc_code;
731 __u64 mon_code;
732 __u64 per_address;
733 __u32 data_exc_code;
734 __u16 code;
735 __u16 mon_class_nr;
736 __u8 per_code;
737 __u8 per_atmid;
738 __u8 exc_access_id;
739 __u8 per_access_id;
740 __u8 op_access_id;
741#define KVM_S390_PGM_FLAGS_ILC_VALID 0x01
742#define KVM_S390_PGM_FLAGS_ILC_0 0x02
743#define KVM_S390_PGM_FLAGS_ILC_1 0x04
744#define KVM_S390_PGM_FLAGS_ILC_MASK 0x06
745#define KVM_S390_PGM_FLAGS_NO_REWIND 0x08
746 __u8 flags;
747 __u8 pad[2];
748};
749
750struct kvm_s390_prefix_info {
751 __u32 address;
752};
753
754struct kvm_s390_extcall_info {
755 __u16 code;
756};
757
758struct kvm_s390_emerg_info {
759 __u16 code;
760};
761
762#define KVM_S390_STOP_FLAG_STORE_STATUS 0x01
763struct kvm_s390_stop_info {
764 __u32 flags;
765};
766
767struct kvm_s390_mchk_info {
768 __u64 cr14;
769 __u64 mcic;
770 __u64 failing_storage_address;
771 __u32 ext_damage_code;
772 __u32 pad;
773 __u8 fixed_logout[16];
774};
775
776struct kvm_s390_irq {
777 __u64 type;
778 union {
779 struct kvm_s390_io_info io;
780 struct kvm_s390_ext_info ext;
781 struct kvm_s390_pgm_info pgm;
782 struct kvm_s390_emerg_info emerg;
783 struct kvm_s390_extcall_info extcall;
784 struct kvm_s390_prefix_info prefix;
785 struct kvm_s390_stop_info stop;
786 struct kvm_s390_mchk_info mchk;
787 char reserved[64];
788 } u;
789};
790
791struct kvm_s390_irq_state {
792 __u64 buf;
793 __u32 flags; /* will stay unused for compatibility reasons */
794 __u32 len;
795 __u32 reserved[4]; /* will stay unused for compatibility reasons */
796};
797
798/* for KVM_SET_GUEST_DEBUG */
799
800#define KVM_GUESTDBG_ENABLE 0x00000001
801#define KVM_GUESTDBG_SINGLESTEP 0x00000002
802
803struct kvm_guest_debug {
804 __u32 control;
805 __u32 pad;
806 struct kvm_guest_debug_arch arch;
807};
808
809enum {
810 kvm_ioeventfd_flag_nr_datamatch,
811 kvm_ioeventfd_flag_nr_pio,
812 kvm_ioeventfd_flag_nr_deassign,
813 kvm_ioeventfd_flag_nr_virtio_ccw_notify,
814 kvm_ioeventfd_flag_nr_fast_mmio,
815 kvm_ioeventfd_flag_nr_max,
816};
817
818#define KVM_IOEVENTFD_FLAG_DATAMATCH (1 << kvm_ioeventfd_flag_nr_datamatch)
819#define KVM_IOEVENTFD_FLAG_PIO (1 << kvm_ioeventfd_flag_nr_pio)
820#define KVM_IOEVENTFD_FLAG_DEASSIGN (1 << kvm_ioeventfd_flag_nr_deassign)
821#define KVM_IOEVENTFD_FLAG_VIRTIO_CCW_NOTIFY \
822 (1 << kvm_ioeventfd_flag_nr_virtio_ccw_notify)
823
824#define KVM_IOEVENTFD_VALID_FLAG_MASK ((1 << kvm_ioeventfd_flag_nr_max) - 1)
825
826struct kvm_ioeventfd {
827 __u64 datamatch;
828 __u64 addr; /* legal pio/mmio address */
829 __u32 len; /* 1, 2, 4, or 8 bytes; or 0 to ignore length */
830 __s32 fd;
831 __u32 flags;
832 __u8 pad[36];
833};
834
835#define KVM_X86_DISABLE_EXITS_MWAIT (1 << 0)
836#define KVM_X86_DISABLE_EXITS_HLT (1 << 1)
837#define KVM_X86_DISABLE_EXITS_PAUSE (1 << 2)
838#define KVM_X86_DISABLE_EXITS_CSTATE (1 << 3)
839#define KVM_X86_DISABLE_VALID_EXITS (KVM_X86_DISABLE_EXITS_MWAIT | \
840 KVM_X86_DISABLE_EXITS_HLT | \
841 KVM_X86_DISABLE_EXITS_PAUSE | \
842 KVM_X86_DISABLE_EXITS_CSTATE)
843
844/* for KVM_ENABLE_CAP */
845struct kvm_enable_cap {
846 /* in */
847 __u32 cap;
848 __u32 flags;
849 __u64 args[4];
850 __u8 pad[64];
851};
852
853/* for KVM_PPC_GET_PVINFO */
854
855#define KVM_PPC_PVINFO_FLAGS_EV_IDLE (1<<0)
856
857struct kvm_ppc_pvinfo {
858 /* out */
859 __u32 flags;
860 __u32 hcall[4];
861 __u8 pad[108];
862};
863
864/* for KVM_PPC_GET_SMMU_INFO */
865#define KVM_PPC_PAGE_SIZES_MAX_SZ 8
866
867struct kvm_ppc_one_page_size {
868 __u32 page_shift; /* Page shift (or 0) */
869 __u32 pte_enc; /* Encoding in the HPTE (>>12) */
870};
871
872struct kvm_ppc_one_seg_page_size {
873 __u32 page_shift; /* Base page shift of segment (or 0) */
874 __u32 slb_enc; /* SLB encoding for BookS */
875 struct kvm_ppc_one_page_size enc[KVM_PPC_PAGE_SIZES_MAX_SZ];
876};
877
878#define KVM_PPC_PAGE_SIZES_REAL 0x00000001
879#define KVM_PPC_1T_SEGMENTS 0x00000002
880#define KVM_PPC_NO_HASH 0x00000004
881
882struct kvm_ppc_smmu_info {
883 __u64 flags;
884 __u32 slb_size;
885 __u16 data_keys; /* # storage keys supported for data */
886 __u16 instr_keys; /* # storage keys supported for instructions */
887 struct kvm_ppc_one_seg_page_size sps[KVM_PPC_PAGE_SIZES_MAX_SZ];
888};
889
890/* for KVM_PPC_RESIZE_HPT_{PREPARE,COMMIT} */
891struct kvm_ppc_resize_hpt {
892 __u64 flags;
893 __u32 shift;
894 __u32 pad;
895};
896
897#define KVMIO 0xAE
898
899/* machine type bits, to be used as argument to KVM_CREATE_VM */
900#define KVM_VM_S390_UCONTROL 1
901
902/* on ppc, 0 indicate default, 1 should force HV and 2 PR */
903#define KVM_VM_PPC_HV 1
904#define KVM_VM_PPC_PR 2
905
906/* on MIPS, 0 indicates auto, 1 forces VZ ASE, 2 forces trap & emulate */
907#define KVM_VM_MIPS_AUTO 0
908#define KVM_VM_MIPS_VZ 1
909#define KVM_VM_MIPS_TE 2
910
911#define KVM_S390_SIE_PAGE_OFFSET 1
912
913/*
914 * On arm64, machine type can be used to request the physical
915 * address size for the VM. Bits[7-0] are reserved for the guest
916 * PA size shift (i.e, log2(PA_Size)). For backward compatibility,
917 * value 0 implies the default IPA size, 40bits.
918 */
919#define KVM_VM_TYPE_ARM_IPA_SIZE_MASK 0xffULL
920#define KVM_VM_TYPE_ARM_IPA_SIZE(x) \
921 ((x) & KVM_VM_TYPE_ARM_IPA_SIZE_MASK)
922/*
923 * ioctls for /dev/kvm fds:
924 */
925#define KVM_GET_API_VERSION _IO(KVMIO, 0x00)
926#define KVM_CREATE_VM _IO(KVMIO, 0x01) /* returns a VM fd */
927#define KVM_GET_MSR_INDEX_LIST _IOWR(KVMIO, 0x02, struct kvm_msr_list)
928
929#define KVM_S390_ENABLE_SIE _IO(KVMIO, 0x06)
930/*
931 * Check if a kvm extension is available. Argument is extension number,
932 * return is 1 (yes) or 0 (no, sorry).
933 */
934#define KVM_CHECK_EXTENSION _IO(KVMIO, 0x03)
935/*
936 * Get size for mmap(vcpu_fd)
937 */
938#define KVM_GET_VCPU_MMAP_SIZE _IO(KVMIO, 0x04) /* in bytes */
939#define KVM_GET_SUPPORTED_CPUID _IOWR(KVMIO, 0x05, struct kvm_cpuid2)
940#define KVM_TRACE_ENABLE __KVM_DEPRECATED_MAIN_W_0x06
941#define KVM_TRACE_PAUSE __KVM_DEPRECATED_MAIN_0x07
942#define KVM_TRACE_DISABLE __KVM_DEPRECATED_MAIN_0x08
943#define KVM_GET_EMULATED_CPUID _IOWR(KVMIO, 0x09, struct kvm_cpuid2)
944#define KVM_GET_MSR_FEATURE_INDEX_LIST _IOWR(KVMIO, 0x0a, struct kvm_msr_list)
945
946/*
947 * Extension capability list.
948 */
949#define KVM_CAP_IRQCHIP 0
950#define KVM_CAP_HLT 1
951#define KVM_CAP_MMU_SHADOW_CACHE_CONTROL 2
952#define KVM_CAP_USER_MEMORY 3
953#define KVM_CAP_SET_TSS_ADDR 4
954#define KVM_CAP_VAPIC 6
955#define KVM_CAP_EXT_CPUID 7
956#define KVM_CAP_CLOCKSOURCE 8
957#define KVM_CAP_NR_VCPUS 9 /* returns recommended max vcpus per vm */
958#define KVM_CAP_NR_MEMSLOTS 10 /* returns max memory slots per vm */
959#define KVM_CAP_PIT 11
960#define KVM_CAP_NOP_IO_DELAY 12
961#define KVM_CAP_PV_MMU 13
962#define KVM_CAP_MP_STATE 14
963#define KVM_CAP_COALESCED_MMIO 15
964#define KVM_CAP_SYNC_MMU 16 /* Changes to host mmap are reflected in guest */
965#define KVM_CAP_IOMMU 18
966/* Bug in KVM_SET_USER_MEMORY_REGION fixed: */
967#define KVM_CAP_DESTROY_MEMORY_REGION_WORKS 21
968#define KVM_CAP_USER_NMI 22
969#ifdef __KVM_HAVE_GUEST_DEBUG
970#define KVM_CAP_SET_GUEST_DEBUG 23
971#endif
972#ifdef __KVM_HAVE_PIT
973#define KVM_CAP_REINJECT_CONTROL 24
974#endif
975#define KVM_CAP_IRQ_ROUTING 25
976#define KVM_CAP_IRQ_INJECT_STATUS 26
977#define KVM_CAP_ASSIGN_DEV_IRQ 29
978/* Another bug in KVM_SET_USER_MEMORY_REGION fixed: */
979#define KVM_CAP_JOIN_MEMORY_REGIONS_WORKS 30
980#ifdef __KVM_HAVE_MCE
981#define KVM_CAP_MCE 31
982#endif
983#define KVM_CAP_IRQFD 32
984#ifdef __KVM_HAVE_PIT
985#define KVM_CAP_PIT2 33
986#endif
987#define KVM_CAP_SET_BOOT_CPU_ID 34
988#ifdef __KVM_HAVE_PIT_STATE2
989#define KVM_CAP_PIT_STATE2 35
990#endif
991#define KVM_CAP_IOEVENTFD 36
992#define KVM_CAP_SET_IDENTITY_MAP_ADDR 37
993#ifdef __KVM_HAVE_XEN_HVM
994#define KVM_CAP_XEN_HVM 38
995#endif
996#define KVM_CAP_ADJUST_CLOCK 39
997#define KVM_CAP_INTERNAL_ERROR_DATA 40
998#ifdef __KVM_HAVE_VCPU_EVENTS
999#define KVM_CAP_VCPU_EVENTS 41
1000#endif
1001#define KVM_CAP_S390_PSW 42
1002#define KVM_CAP_PPC_SEGSTATE 43
1003#define KVM_CAP_HYPERV 44
1004#define KVM_CAP_HYPERV_VAPIC 45
1005#define KVM_CAP_HYPERV_SPIN 46
1006#define KVM_CAP_PCI_SEGMENT 47
1007#define KVM_CAP_PPC_PAIRED_SINGLES 48
1008#define KVM_CAP_INTR_SHADOW 49
1009#ifdef __KVM_HAVE_DEBUGREGS
1010#define KVM_CAP_DEBUGREGS 50
1011#endif
1012#define KVM_CAP_X86_ROBUST_SINGLESTEP 51
1013#define KVM_CAP_PPC_OSI 52
1014#define KVM_CAP_PPC_UNSET_IRQ 53
1015#define KVM_CAP_ENABLE_CAP 54
1016#ifdef __KVM_HAVE_XSAVE
1017#define KVM_CAP_XSAVE 55
1018#endif
1019#ifdef __KVM_HAVE_XCRS
1020#define KVM_CAP_XCRS 56
1021#endif
1022#define KVM_CAP_PPC_GET_PVINFO 57
1023#define KVM_CAP_PPC_IRQ_LEVEL 58
1024#define KVM_CAP_ASYNC_PF 59
1025#define KVM_CAP_TSC_CONTROL 60
1026#define KVM_CAP_GET_TSC_KHZ 61
1027#define KVM_CAP_PPC_BOOKE_SREGS 62
1028#define KVM_CAP_SPAPR_TCE 63
1029#define KVM_CAP_PPC_SMT 64
1030#define KVM_CAP_PPC_RMA 65
1031#define KVM_CAP_MAX_VCPUS 66 /* returns max vcpus per vm */
1032#define KVM_CAP_PPC_HIOR 67
1033#define KVM_CAP_PPC_PAPR 68
1034#define KVM_CAP_SW_TLB 69
1035#define KVM_CAP_ONE_REG 70
1036#define KVM_CAP_S390_GMAP 71
1037#define KVM_CAP_TSC_DEADLINE_TIMER 72
1038#define KVM_CAP_S390_UCONTROL 73
1039#define KVM_CAP_SYNC_REGS 74
1040#define KVM_CAP_PCI_2_3 75
1041#define KVM_CAP_KVMCLOCK_CTRL 76
1042#define KVM_CAP_SIGNAL_MSI 77
1043#define KVM_CAP_PPC_GET_SMMU_INFO 78
1044#define KVM_CAP_S390_COW 79
1045#define KVM_CAP_PPC_ALLOC_HTAB 80
1046#define KVM_CAP_READONLY_MEM 81
1047#define KVM_CAP_IRQFD_RESAMPLE 82
1048#define KVM_CAP_PPC_BOOKE_WATCHDOG 83
1049#define KVM_CAP_PPC_HTAB_FD 84
1050#define KVM_CAP_S390_CSS_SUPPORT 85
1051#define KVM_CAP_PPC_EPR 86
1052#define KVM_CAP_ARM_PSCI 87
1053#define KVM_CAP_ARM_SET_DEVICE_ADDR 88
1054#define KVM_CAP_DEVICE_CTRL 89
1055#define KVM_CAP_IRQ_MPIC 90
1056#define KVM_CAP_PPC_RTAS 91
1057#define KVM_CAP_IRQ_XICS 92
1058#define KVM_CAP_ARM_EL1_32BIT 93
1059#define KVM_CAP_SPAPR_MULTITCE 94
1060#define KVM_CAP_EXT_EMUL_CPUID 95
1061#define KVM_CAP_HYPERV_TIME 96
1062#define KVM_CAP_IOAPIC_POLARITY_IGNORED 97
1063#define KVM_CAP_ENABLE_CAP_VM 98
1064#define KVM_CAP_S390_IRQCHIP 99
1065#define KVM_CAP_IOEVENTFD_NO_LENGTH 100
1066#define KVM_CAP_VM_ATTRIBUTES 101
1067#define KVM_CAP_ARM_PSCI_0_2 102
1068#define KVM_CAP_PPC_FIXUP_HCALL 103
1069#define KVM_CAP_PPC_ENABLE_HCALL 104
1070#define KVM_CAP_CHECK_EXTENSION_VM 105
1071#define KVM_CAP_S390_USER_SIGP 106
1072#define KVM_CAP_S390_VECTOR_REGISTERS 107
1073#define KVM_CAP_S390_MEM_OP 108
1074#define KVM_CAP_S390_USER_STSI 109
1075#define KVM_CAP_S390_SKEYS 110
1076#define KVM_CAP_MIPS_FPU 111
1077#define KVM_CAP_MIPS_MSA 112
1078#define KVM_CAP_S390_INJECT_IRQ 113
1079#define KVM_CAP_S390_IRQ_STATE 114
1080#define KVM_CAP_PPC_HWRNG 115
1081#define KVM_CAP_DISABLE_QUIRKS 116
1082#define KVM_CAP_X86_SMM 117
1083#define KVM_CAP_MULTI_ADDRESS_SPACE 118
1084#define KVM_CAP_GUEST_DEBUG_HW_BPS 119
1085#define KVM_CAP_GUEST_DEBUG_HW_WPS 120
1086#define KVM_CAP_SPLIT_IRQCHIP 121
1087#define KVM_CAP_IOEVENTFD_ANY_LENGTH 122
1088#define KVM_CAP_HYPERV_SYNIC 123
1089#define KVM_CAP_S390_RI 124
1090#define KVM_CAP_SPAPR_TCE_64 125
1091#define KVM_CAP_ARM_PMU_V3 126
1092#define KVM_CAP_VCPU_ATTRIBUTES 127
1093#define KVM_CAP_MAX_VCPU_ID 128
1094#define KVM_CAP_X2APIC_API 129
1095#define KVM_CAP_S390_USER_INSTR0 130
1096#define KVM_CAP_MSI_DEVID 131
1097#define KVM_CAP_PPC_HTM 132
1098#define KVM_CAP_SPAPR_RESIZE_HPT 133
1099#define KVM_CAP_PPC_MMU_RADIX 134
1100#define KVM_CAP_PPC_MMU_HASH_V3 135
1101#define KVM_CAP_IMMEDIATE_EXIT 136
1102#define KVM_CAP_MIPS_VZ 137
1103#define KVM_CAP_MIPS_TE 138
1104#define KVM_CAP_MIPS_64BIT 139
1105#define KVM_CAP_S390_GS 140
1106#define KVM_CAP_S390_AIS 141
1107#define KVM_CAP_SPAPR_TCE_VFIO 142
1108#define KVM_CAP_X86_DISABLE_EXITS 143
1109#define KVM_CAP_ARM_USER_IRQ 144
1110#define KVM_CAP_S390_CMMA_MIGRATION 145
1111#define KVM_CAP_PPC_FWNMI 146
1112#define KVM_CAP_PPC_SMT_POSSIBLE 147
1113#define KVM_CAP_HYPERV_SYNIC2 148
1114#define KVM_CAP_HYPERV_VP_INDEX 149
1115#define KVM_CAP_S390_AIS_MIGRATION 150
1116#define KVM_CAP_PPC_GET_CPU_CHAR 151
1117#define KVM_CAP_S390_BPB 152
1118#define KVM_CAP_GET_MSR_FEATURES 153
1119#define KVM_CAP_HYPERV_EVENTFD 154
1120#define KVM_CAP_HYPERV_TLBFLUSH 155
1121#define KVM_CAP_S390_HPAGE_1M 156
1122#define KVM_CAP_NESTED_STATE 157
1123#define KVM_CAP_ARM_INJECT_SERROR_ESR 158
1124#define KVM_CAP_MSR_PLATFORM_INFO 159
1125#define KVM_CAP_PPC_NESTED_HV 160
1126#define KVM_CAP_HYPERV_SEND_IPI 161
1127#define KVM_CAP_COALESCED_PIO 162
1128#define KVM_CAP_HYPERV_ENLIGHTENED_VMCS 163
1129#define KVM_CAP_EXCEPTION_PAYLOAD 164
1130#define KVM_CAP_ARM_VM_IPA_SIZE 165
1131#define KVM_CAP_MANUAL_DIRTY_LOG_PROTECT 166 /* Obsolete */
1132#define KVM_CAP_HYPERV_CPUID 167
1133#define KVM_CAP_MANUAL_DIRTY_LOG_PROTECT2 168
1134#define KVM_CAP_PPC_IRQ_XIVE 169
1135#define KVM_CAP_ARM_SVE 170
1136#define KVM_CAP_ARM_PTRAUTH_ADDRESS 171
1137#define KVM_CAP_ARM_PTRAUTH_GENERIC 172
1138#define KVM_CAP_PMU_EVENT_FILTER 173
1139#define KVM_CAP_ARM_IRQ_LINE_LAYOUT_2 174
1140#define KVM_CAP_HYPERV_DIRECT_TLBFLUSH 175
1141#define KVM_CAP_PPC_GUEST_DEBUG_SSTEP 176
1142#define KVM_CAP_ARM_NISV_TO_USER 177
1143#define KVM_CAP_ARM_INJECT_EXT_DABT 178
1144#define KVM_CAP_S390_VCPU_RESETS 179
1145#define KVM_CAP_S390_PROTECTED 180
1146#define KVM_CAP_PPC_SECURE_GUEST 181
1147#define KVM_CAP_HALT_POLL 182
1148#define KVM_CAP_ASYNC_PF_INT 183
1149#define KVM_CAP_LAST_CPU 184
1150#define KVM_CAP_SMALLER_MAXPHYADDR 185
1151#define KVM_CAP_S390_DIAG318 186
1152#define KVM_CAP_STEAL_TIME 187
1153#define KVM_CAP_X86_USER_SPACE_MSR 188
1154#define KVM_CAP_X86_MSR_FILTER 189
1155#define KVM_CAP_ENFORCE_PV_FEATURE_CPUID 190
1156#define KVM_CAP_SYS_HYPERV_CPUID 191
1157#define KVM_CAP_DIRTY_LOG_RING 192
1158#define KVM_CAP_X86_BUS_LOCK_EXIT 193
1159#define KVM_CAP_PPC_DAWR1 194
1160#define KVM_CAP_SET_GUEST_DEBUG2 195
1161#define KVM_CAP_SGX_ATTRIBUTE 196
1162#define KVM_CAP_VM_COPY_ENC_CONTEXT_FROM 197
1163#define KVM_CAP_PTP_KVM 198
1164#define KVM_CAP_HYPERV_ENFORCE_CPUID 199
1165#define KVM_CAP_SREGS2 200
1166#define KVM_CAP_EXIT_HYPERCALL 201
1167#define KVM_CAP_PPC_RPT_INVALIDATE 202
1168#define KVM_CAP_BINARY_STATS_FD 203
1169#define KVM_CAP_EXIT_ON_EMULATION_FAILURE 204
1170#define KVM_CAP_ARM_MTE 205
1171#define KVM_CAP_VM_MOVE_ENC_CONTEXT_FROM 206
1172#define KVM_CAP_VM_GPA_BITS 207
1173#define KVM_CAP_XSAVE2 208
1174#define KVM_CAP_SYS_ATTRIBUTES 209
1175#define KVM_CAP_PPC_AIL_MODE_3 210
1176#define KVM_CAP_S390_MEM_OP_EXTENSION 211
1177#define KVM_CAP_PMU_CAPABILITY 212
1178#define KVM_CAP_DISABLE_QUIRKS2 213
1179#define KVM_CAP_VM_TSC_CONTROL 214
1180#define KVM_CAP_SYSTEM_EVENT_DATA 215
1181#define KVM_CAP_ARM_SYSTEM_SUSPEND 216
1182#define KVM_CAP_S390_PROTECTED_DUMP 217
1183#define KVM_CAP_X86_TRIPLE_FAULT_EVENT 218
1184#define KVM_CAP_X86_NOTIFY_VMEXIT 219
1185#define KVM_CAP_VM_DISABLE_NX_HUGE_PAGES 220
1186#define KVM_CAP_S390_ZPCI_OP 221
1187#define KVM_CAP_S390_CPU_TOPOLOGY 222
1188#define KVM_CAP_DIRTY_LOG_RING_ACQ_REL 223
1189#define KVM_CAP_S390_PROTECTED_ASYNC_DISABLE 224
1190#define KVM_CAP_DIRTY_LOG_RING_WITH_BITMAP 225
1191#define KVM_CAP_PMU_EVENT_MASKED_EVENTS 226
1192#define KVM_CAP_COUNTER_OFFSET 227
1193#define KVM_CAP_ARM_EAGER_SPLIT_CHUNK_SIZE 228
1194#define KVM_CAP_ARM_SUPPORTED_BLOCK_SIZES 229
1195
1196#ifdef KVM_CAP_IRQ_ROUTING
1197
1198struct kvm_irq_routing_irqchip {
1199 __u32 irqchip;
1200 __u32 pin;
1201};
1202
1203struct kvm_irq_routing_msi {
1204 __u32 address_lo;
1205 __u32 address_hi;
1206 __u32 data;
1207 union {
1208 __u32 pad;
1209 __u32 devid;
1210 };
1211};
1212
1213struct kvm_irq_routing_s390_adapter {
1214 __u64 ind_addr;
1215 __u64 summary_addr;
1216 __u64 ind_offset;
1217 __u32 summary_offset;
1218 __u32 adapter_id;
1219};
1220
1221struct kvm_irq_routing_hv_sint {
1222 __u32 vcpu;
1223 __u32 sint;
1224};
1225
1226struct kvm_irq_routing_xen_evtchn {
1227 __u32 port;
1228 __u32 vcpu;
1229 __u32 priority;
1230};
1231
1232#define KVM_IRQ_ROUTING_XEN_EVTCHN_PRIO_2LEVEL ((__u32)(-1))
1233
1234/* gsi routing entry types */
1235#define KVM_IRQ_ROUTING_IRQCHIP 1
1236#define KVM_IRQ_ROUTING_MSI 2
1237#define KVM_IRQ_ROUTING_S390_ADAPTER 3
1238#define KVM_IRQ_ROUTING_HV_SINT 4
1239#define KVM_IRQ_ROUTING_XEN_EVTCHN 5
1240
1241struct kvm_irq_routing_entry {
1242 __u32 gsi;
1243 __u32 type;
1244 __u32 flags;
1245 __u32 pad;
1246 union {
1247 struct kvm_irq_routing_irqchip irqchip;
1248 struct kvm_irq_routing_msi msi;
1249 struct kvm_irq_routing_s390_adapter adapter;
1250 struct kvm_irq_routing_hv_sint hv_sint;
1251 struct kvm_irq_routing_xen_evtchn xen_evtchn;
1252 __u32 pad[8];
1253 } u;
1254};
1255
1256struct kvm_irq_routing {
1257 __u32 nr;
1258 __u32 flags;
1259 struct kvm_irq_routing_entry entries[];
1260};
1261
1262#endif
1263
1264#ifdef KVM_CAP_MCE
1265/* x86 MCE */
1266struct kvm_x86_mce {
1267 __u64 status;
1268 __u64 addr;
1269 __u64 misc;
1270 __u64 mcg_status;
1271 __u8 bank;
1272 __u8 pad1[7];
1273 __u64 pad2[3];
1274};
1275#endif
1276
1277#ifdef KVM_CAP_XEN_HVM
1278#define KVM_XEN_HVM_CONFIG_HYPERCALL_MSR (1 << 0)
1279#define KVM_XEN_HVM_CONFIG_INTERCEPT_HCALL (1 << 1)
1280#define KVM_XEN_HVM_CONFIG_SHARED_INFO (1 << 2)
1281#define KVM_XEN_HVM_CONFIG_RUNSTATE (1 << 3)
1282#define KVM_XEN_HVM_CONFIG_EVTCHN_2LEVEL (1 << 4)
1283#define KVM_XEN_HVM_CONFIG_EVTCHN_SEND (1 << 5)
1284#define KVM_XEN_HVM_CONFIG_RUNSTATE_UPDATE_FLAG (1 << 6)
1285
1286struct kvm_xen_hvm_config {
1287 __u32 flags;
1288 __u32 msr;
1289 __u64 blob_addr_32;
1290 __u64 blob_addr_64;
1291 __u8 blob_size_32;
1292 __u8 blob_size_64;
1293 __u8 pad2[30];
1294};
1295#endif
1296
1297#define KVM_IRQFD_FLAG_DEASSIGN (1 << 0)
1298/*
1299 * Available with KVM_CAP_IRQFD_RESAMPLE
1300 *
1301 * KVM_IRQFD_FLAG_RESAMPLE indicates resamplefd is valid and specifies
1302 * the irqfd to operate in resampling mode for level triggered interrupt
1303 * emulation. See Documentation/virt/kvm/api.rst.
1304 */
1305#define KVM_IRQFD_FLAG_RESAMPLE (1 << 1)
1306
1307struct kvm_irqfd {
1308 __u32 fd;
1309 __u32 gsi;
1310 __u32 flags;
1311 __u32 resamplefd;
1312 __u8 pad[16];
1313};
1314
1315/* For KVM_CAP_ADJUST_CLOCK */
1316
1317/* Do not use 1, KVM_CHECK_EXTENSION returned it before we had flags. */
1318#define KVM_CLOCK_TSC_STABLE 2
1319#define KVM_CLOCK_REALTIME (1 << 2)
1320#define KVM_CLOCK_HOST_TSC (1 << 3)
1321
1322struct kvm_clock_data {
1323 __u64 clock;
1324 __u32 flags;
1325 __u32 pad0;
1326 __u64 realtime;
1327 __u64 host_tsc;
1328 __u32 pad[4];
1329};
1330
1331/* For KVM_CAP_SW_TLB */
1332
1333#define KVM_MMU_FSL_BOOKE_NOHV 0
1334#define KVM_MMU_FSL_BOOKE_HV 1
1335
1336struct kvm_config_tlb {
1337 __u64 params;
1338 __u64 array;
1339 __u32 mmu_type;
1340 __u32 array_len;
1341};
1342
1343struct kvm_dirty_tlb {
1344 __u64 bitmap;
1345 __u32 num_dirty;
1346};
1347
1348/* Available with KVM_CAP_ONE_REG */
1349
1350#define KVM_REG_ARCH_MASK 0xff00000000000000ULL
1351#define KVM_REG_GENERIC 0x0000000000000000ULL
1352
1353/*
1354 * Architecture specific registers are to be defined in arch headers and
1355 * ORed with the arch identifier.
1356 */
1357#define KVM_REG_PPC 0x1000000000000000ULL
1358#define KVM_REG_X86 0x2000000000000000ULL
1359#define KVM_REG_IA64 0x3000000000000000ULL
1360#define KVM_REG_ARM 0x4000000000000000ULL
1361#define KVM_REG_S390 0x5000000000000000ULL
1362#define KVM_REG_ARM64 0x6000000000000000ULL
1363#define KVM_REG_MIPS 0x7000000000000000ULL
1364#define KVM_REG_RISCV 0x8000000000000000ULL
1365
1366#define KVM_REG_SIZE_SHIFT 52
1367#define KVM_REG_SIZE_MASK 0x00f0000000000000ULL
1368#define KVM_REG_SIZE_U8 0x0000000000000000ULL
1369#define KVM_REG_SIZE_U16 0x0010000000000000ULL
1370#define KVM_REG_SIZE_U32 0x0020000000000000ULL
1371#define KVM_REG_SIZE_U64 0x0030000000000000ULL
1372#define KVM_REG_SIZE_U128 0x0040000000000000ULL
1373#define KVM_REG_SIZE_U256 0x0050000000000000ULL
1374#define KVM_REG_SIZE_U512 0x0060000000000000ULL
1375#define KVM_REG_SIZE_U1024 0x0070000000000000ULL
1376#define KVM_REG_SIZE_U2048 0x0080000000000000ULL
1377
1378struct kvm_reg_list {
1379 __u64 n; /* number of regs */
1380 __u64 reg[];
1381};
1382
1383struct kvm_one_reg {
1384 __u64 id;
1385 __u64 addr;
1386};
1387
1388#define KVM_MSI_VALID_DEVID (1U << 0)
1389struct kvm_msi {
1390 __u32 address_lo;
1391 __u32 address_hi;
1392 __u32 data;
1393 __u32 flags;
1394 __u32 devid;
1395 __u8 pad[12];
1396};
1397
1398struct kvm_arm_device_addr {
1399 __u64 id;
1400 __u64 addr;
1401};
1402
1403/*
1404 * Device control API, available with KVM_CAP_DEVICE_CTRL
1405 */
1406#define KVM_CREATE_DEVICE_TEST 1
1407
1408struct kvm_create_device {
1409 __u32 type; /* in: KVM_DEV_TYPE_xxx */
1410 __u32 fd; /* out: device handle */
1411 __u32 flags; /* in: KVM_CREATE_DEVICE_xxx */
1412};
1413
1414struct kvm_device_attr {
1415 __u32 flags; /* no flags currently defined */
1416 __u32 group; /* device-defined */
1417 __u64 attr; /* group-defined */
1418 __u64 addr; /* userspace address of attr data */
1419};
1420
1421#define KVM_DEV_VFIO_GROUP 1
1422#define KVM_DEV_VFIO_GROUP_ADD 1
1423#define KVM_DEV_VFIO_GROUP_DEL 2
1424#define KVM_DEV_VFIO_GROUP_SET_SPAPR_TCE 3
1425
1426enum kvm_device_type {
1427 KVM_DEV_TYPE_FSL_MPIC_20 = 1,
1428#define KVM_DEV_TYPE_FSL_MPIC_20 KVM_DEV_TYPE_FSL_MPIC_20
1429 KVM_DEV_TYPE_FSL_MPIC_42,
1430#define KVM_DEV_TYPE_FSL_MPIC_42 KVM_DEV_TYPE_FSL_MPIC_42
1431 KVM_DEV_TYPE_XICS,
1432#define KVM_DEV_TYPE_XICS KVM_DEV_TYPE_XICS
1433 KVM_DEV_TYPE_VFIO,
1434#define KVM_DEV_TYPE_VFIO KVM_DEV_TYPE_VFIO
1435 KVM_DEV_TYPE_ARM_VGIC_V2,
1436#define KVM_DEV_TYPE_ARM_VGIC_V2 KVM_DEV_TYPE_ARM_VGIC_V2
1437 KVM_DEV_TYPE_FLIC,
1438#define KVM_DEV_TYPE_FLIC KVM_DEV_TYPE_FLIC
1439 KVM_DEV_TYPE_ARM_VGIC_V3,
1440#define KVM_DEV_TYPE_ARM_VGIC_V3 KVM_DEV_TYPE_ARM_VGIC_V3
1441 KVM_DEV_TYPE_ARM_VGIC_ITS,
1442#define KVM_DEV_TYPE_ARM_VGIC_ITS KVM_DEV_TYPE_ARM_VGIC_ITS
1443 KVM_DEV_TYPE_XIVE,
1444#define KVM_DEV_TYPE_XIVE KVM_DEV_TYPE_XIVE
1445 KVM_DEV_TYPE_ARM_PV_TIME,
1446#define KVM_DEV_TYPE_ARM_PV_TIME KVM_DEV_TYPE_ARM_PV_TIME
1447 KVM_DEV_TYPE_RISCV_AIA,
1448#define KVM_DEV_TYPE_RISCV_AIA KVM_DEV_TYPE_RISCV_AIA
1449 KVM_DEV_TYPE_MAX,
1450};
1451
1452struct kvm_vfio_spapr_tce {
1453 __s32 groupfd;
1454 __s32 tablefd;
1455};
1456
1457/*
1458 * KVM_CREATE_VCPU receives as a parameter the vcpu slot, and returns
1459 * a vcpu fd.
1460 */
1461#define KVM_CREATE_VCPU _IO(KVMIO, 0x41)
1462#define KVM_GET_DIRTY_LOG _IOW(KVMIO, 0x42, struct kvm_dirty_log)
1463#define KVM_SET_NR_MMU_PAGES _IO(KVMIO, 0x44)
1464#define KVM_GET_NR_MMU_PAGES _IO(KVMIO, 0x45) /* deprecated */
1465#define KVM_SET_USER_MEMORY_REGION _IOW(KVMIO, 0x46, \
1466 struct kvm_userspace_memory_region)
1467#define KVM_SET_TSS_ADDR _IO(KVMIO, 0x47)
1468#define KVM_SET_IDENTITY_MAP_ADDR _IOW(KVMIO, 0x48, __u64)
1469
1470/* enable ucontrol for s390 */
1471struct kvm_s390_ucas_mapping {
1472 __u64 user_addr;
1473 __u64 vcpu_addr;
1474 __u64 length;
1475};
1476#define KVM_S390_UCAS_MAP _IOW(KVMIO, 0x50, struct kvm_s390_ucas_mapping)
1477#define KVM_S390_UCAS_UNMAP _IOW(KVMIO, 0x51, struct kvm_s390_ucas_mapping)
1478#define KVM_S390_VCPU_FAULT _IOW(KVMIO, 0x52, unsigned long)
1479
1480/* Device model IOC */
1481#define KVM_CREATE_IRQCHIP _IO(KVMIO, 0x60)
1482#define KVM_IRQ_LINE _IOW(KVMIO, 0x61, struct kvm_irq_level)
1483#define KVM_GET_IRQCHIP _IOWR(KVMIO, 0x62, struct kvm_irqchip)
1484#define KVM_SET_IRQCHIP _IOR(KVMIO, 0x63, struct kvm_irqchip)
1485#define KVM_CREATE_PIT _IO(KVMIO, 0x64)
1486#define KVM_GET_PIT _IOWR(KVMIO, 0x65, struct kvm_pit_state)
1487#define KVM_SET_PIT _IOR(KVMIO, 0x66, struct kvm_pit_state)
1488#define KVM_IRQ_LINE_STATUS _IOWR(KVMIO, 0x67, struct kvm_irq_level)
1489#define KVM_REGISTER_COALESCED_MMIO \
1490 _IOW(KVMIO, 0x67, struct kvm_coalesced_mmio_zone)
1491#define KVM_UNREGISTER_COALESCED_MMIO \
1492 _IOW(KVMIO, 0x68, struct kvm_coalesced_mmio_zone)
1493#define KVM_ASSIGN_PCI_DEVICE _IOR(KVMIO, 0x69, \
1494 struct kvm_assigned_pci_dev)
1495#define KVM_SET_GSI_ROUTING _IOW(KVMIO, 0x6a, struct kvm_irq_routing)
1496/* deprecated, replaced by KVM_ASSIGN_DEV_IRQ */
1497#define KVM_ASSIGN_IRQ __KVM_DEPRECATED_VM_R_0x70
1498#define KVM_ASSIGN_DEV_IRQ _IOW(KVMIO, 0x70, struct kvm_assigned_irq)
1499#define KVM_REINJECT_CONTROL _IO(KVMIO, 0x71)
1500#define KVM_DEASSIGN_PCI_DEVICE _IOW(KVMIO, 0x72, \
1501 struct kvm_assigned_pci_dev)
1502#define KVM_ASSIGN_SET_MSIX_NR _IOW(KVMIO, 0x73, \
1503 struct kvm_assigned_msix_nr)
1504#define KVM_ASSIGN_SET_MSIX_ENTRY _IOW(KVMIO, 0x74, \
1505 struct kvm_assigned_msix_entry)
1506#define KVM_DEASSIGN_DEV_IRQ _IOW(KVMIO, 0x75, struct kvm_assigned_irq)
1507#define KVM_IRQFD _IOW(KVMIO, 0x76, struct kvm_irqfd)
1508#define KVM_CREATE_PIT2 _IOW(KVMIO, 0x77, struct kvm_pit_config)
1509#define KVM_SET_BOOT_CPU_ID _IO(KVMIO, 0x78)
1510#define KVM_IOEVENTFD _IOW(KVMIO, 0x79, struct kvm_ioeventfd)
1511#define KVM_XEN_HVM_CONFIG _IOW(KVMIO, 0x7a, struct kvm_xen_hvm_config)
1512#define KVM_SET_CLOCK _IOW(KVMIO, 0x7b, struct kvm_clock_data)
1513#define KVM_GET_CLOCK _IOR(KVMIO, 0x7c, struct kvm_clock_data)
1514/* Available with KVM_CAP_PIT_STATE2 */
1515#define KVM_GET_PIT2 _IOR(KVMIO, 0x9f, struct kvm_pit_state2)
1516#define KVM_SET_PIT2 _IOW(KVMIO, 0xa0, struct kvm_pit_state2)
1517/* Available with KVM_CAP_PPC_GET_PVINFO */
1518#define KVM_PPC_GET_PVINFO _IOW(KVMIO, 0xa1, struct kvm_ppc_pvinfo)
1519/* Available with KVM_CAP_TSC_CONTROL for a vCPU, or with
1520* KVM_CAP_VM_TSC_CONTROL to set defaults for a VM */
1521#define KVM_SET_TSC_KHZ _IO(KVMIO, 0xa2)
1522#define KVM_GET_TSC_KHZ _IO(KVMIO, 0xa3)
1523/* Available with KVM_CAP_PCI_2_3 */
1524#define KVM_ASSIGN_SET_INTX_MASK _IOW(KVMIO, 0xa4, \
1525 struct kvm_assigned_pci_dev)
1526/* Available with KVM_CAP_SIGNAL_MSI */
1527#define KVM_SIGNAL_MSI _IOW(KVMIO, 0xa5, struct kvm_msi)
1528/* Available with KVM_CAP_PPC_GET_SMMU_INFO */
1529#define KVM_PPC_GET_SMMU_INFO _IOR(KVMIO, 0xa6, struct kvm_ppc_smmu_info)
1530/* Available with KVM_CAP_PPC_ALLOC_HTAB */
1531#define KVM_PPC_ALLOCATE_HTAB _IOWR(KVMIO, 0xa7, __u32)
1532#define KVM_CREATE_SPAPR_TCE _IOW(KVMIO, 0xa8, struct kvm_create_spapr_tce)
1533#define KVM_CREATE_SPAPR_TCE_64 _IOW(KVMIO, 0xa8, \
1534 struct kvm_create_spapr_tce_64)
1535/* Available with KVM_CAP_RMA */
1536#define KVM_ALLOCATE_RMA _IOR(KVMIO, 0xa9, struct kvm_allocate_rma)
1537/* Available with KVM_CAP_PPC_HTAB_FD */
1538#define KVM_PPC_GET_HTAB_FD _IOW(KVMIO, 0xaa, struct kvm_get_htab_fd)
1539/* Available with KVM_CAP_ARM_SET_DEVICE_ADDR */
1540#define KVM_ARM_SET_DEVICE_ADDR _IOW(KVMIO, 0xab, struct kvm_arm_device_addr)
1541/* Available with KVM_CAP_PPC_RTAS */
1542#define KVM_PPC_RTAS_DEFINE_TOKEN _IOW(KVMIO, 0xac, struct kvm_rtas_token_args)
1543/* Available with KVM_CAP_SPAPR_RESIZE_HPT */
1544#define KVM_PPC_RESIZE_HPT_PREPARE _IOR(KVMIO, 0xad, struct kvm_ppc_resize_hpt)
1545#define KVM_PPC_RESIZE_HPT_COMMIT _IOR(KVMIO, 0xae, struct kvm_ppc_resize_hpt)
1546/* Available with KVM_CAP_PPC_RADIX_MMU or KVM_CAP_PPC_HASH_MMU_V3 */
1547#define KVM_PPC_CONFIGURE_V3_MMU _IOW(KVMIO, 0xaf, struct kvm_ppc_mmuv3_cfg)
1548/* Available with KVM_CAP_PPC_RADIX_MMU */
1549#define KVM_PPC_GET_RMMU_INFO _IOW(KVMIO, 0xb0, struct kvm_ppc_rmmu_info)
1550/* Available with KVM_CAP_PPC_GET_CPU_CHAR */
1551#define KVM_PPC_GET_CPU_CHAR _IOR(KVMIO, 0xb1, struct kvm_ppc_cpu_char)
1552/* Available with KVM_CAP_PMU_EVENT_FILTER */
1553#define KVM_SET_PMU_EVENT_FILTER _IOW(KVMIO, 0xb2, struct kvm_pmu_event_filter)
1554#define KVM_PPC_SVM_OFF _IO(KVMIO, 0xb3)
1555#define KVM_ARM_MTE_COPY_TAGS _IOR(KVMIO, 0xb4, struct kvm_arm_copy_mte_tags)
1556/* Available with KVM_CAP_COUNTER_OFFSET */
1557#define KVM_ARM_SET_COUNTER_OFFSET _IOW(KVMIO, 0xb5, struct kvm_arm_counter_offset)
1558
1559/* ioctl for vm fd */
1560#define KVM_CREATE_DEVICE _IOWR(KVMIO, 0xe0, struct kvm_create_device)
1561
1562/* ioctls for fds returned by KVM_CREATE_DEVICE */
1563#define KVM_SET_DEVICE_ATTR _IOW(KVMIO, 0xe1, struct kvm_device_attr)
1564#define KVM_GET_DEVICE_ATTR _IOW(KVMIO, 0xe2, struct kvm_device_attr)
1565#define KVM_HAS_DEVICE_ATTR _IOW(KVMIO, 0xe3, struct kvm_device_attr)
1566
1567/*
1568 * ioctls for vcpu fds
1569 */
1570#define KVM_RUN _IO(KVMIO, 0x80)
1571#define KVM_GET_REGS _IOR(KVMIO, 0x81, struct kvm_regs)
1572#define KVM_SET_REGS _IOW(KVMIO, 0x82, struct kvm_regs)
1573#define KVM_GET_SREGS _IOR(KVMIO, 0x83, struct kvm_sregs)
1574#define KVM_SET_SREGS _IOW(KVMIO, 0x84, struct kvm_sregs)
1575#define KVM_TRANSLATE _IOWR(KVMIO, 0x85, struct kvm_translation)
1576#define KVM_INTERRUPT _IOW(KVMIO, 0x86, struct kvm_interrupt)
1577/* KVM_DEBUG_GUEST is no longer supported, use KVM_SET_GUEST_DEBUG instead */
1578#define KVM_DEBUG_GUEST __KVM_DEPRECATED_VCPU_W_0x87
1579#define KVM_GET_MSRS _IOWR(KVMIO, 0x88, struct kvm_msrs)
1580#define KVM_SET_MSRS _IOW(KVMIO, 0x89, struct kvm_msrs)
1581#define KVM_SET_CPUID _IOW(KVMIO, 0x8a, struct kvm_cpuid)
1582#define KVM_SET_SIGNAL_MASK _IOW(KVMIO, 0x8b, struct kvm_signal_mask)
1583#define KVM_GET_FPU _IOR(KVMIO, 0x8c, struct kvm_fpu)
1584#define KVM_SET_FPU _IOW(KVMIO, 0x8d, struct kvm_fpu)
1585#define KVM_GET_LAPIC _IOR(KVMIO, 0x8e, struct kvm_lapic_state)
1586#define KVM_SET_LAPIC _IOW(KVMIO, 0x8f, struct kvm_lapic_state)
1587#define KVM_SET_CPUID2 _IOW(KVMIO, 0x90, struct kvm_cpuid2)
1588#define KVM_GET_CPUID2 _IOWR(KVMIO, 0x91, struct kvm_cpuid2)
1589/* Available with KVM_CAP_VAPIC */
1590#define KVM_TPR_ACCESS_REPORTING _IOWR(KVMIO, 0x92, struct kvm_tpr_access_ctl)
1591/* Available with KVM_CAP_VAPIC */
1592#define KVM_SET_VAPIC_ADDR _IOW(KVMIO, 0x93, struct kvm_vapic_addr)
1593/* valid for virtual machine (for floating interrupt)_and_ vcpu */
1594#define KVM_S390_INTERRUPT _IOW(KVMIO, 0x94, struct kvm_s390_interrupt)
1595/* store status for s390 */
1596#define KVM_S390_STORE_STATUS_NOADDR (-1ul)
1597#define KVM_S390_STORE_STATUS_PREFIXED (-2ul)
1598#define KVM_S390_STORE_STATUS _IOW(KVMIO, 0x95, unsigned long)
1599/* initial ipl psw for s390 */
1600#define KVM_S390_SET_INITIAL_PSW _IOW(KVMIO, 0x96, struct kvm_s390_psw)
1601/* initial reset for s390 */
1602#define KVM_S390_INITIAL_RESET _IO(KVMIO, 0x97)
1603#define KVM_GET_MP_STATE _IOR(KVMIO, 0x98, struct kvm_mp_state)
1604#define KVM_SET_MP_STATE _IOW(KVMIO, 0x99, struct kvm_mp_state)
1605/* Available with KVM_CAP_USER_NMI */
1606#define KVM_NMI _IO(KVMIO, 0x9a)
1607/* Available with KVM_CAP_SET_GUEST_DEBUG */
1608#define KVM_SET_GUEST_DEBUG _IOW(KVMIO, 0x9b, struct kvm_guest_debug)
1609/* MCE for x86 */
1610#define KVM_X86_SETUP_MCE _IOW(KVMIO, 0x9c, __u64)
1611#define KVM_X86_GET_MCE_CAP_SUPPORTED _IOR(KVMIO, 0x9d, __u64)
1612#define KVM_X86_SET_MCE _IOW(KVMIO, 0x9e, struct kvm_x86_mce)
1613/* Available with KVM_CAP_VCPU_EVENTS */
1614#define KVM_GET_VCPU_EVENTS _IOR(KVMIO, 0x9f, struct kvm_vcpu_events)
1615#define KVM_SET_VCPU_EVENTS _IOW(KVMIO, 0xa0, struct kvm_vcpu_events)
1616/* Available with KVM_CAP_DEBUGREGS */
1617#define KVM_GET_DEBUGREGS _IOR(KVMIO, 0xa1, struct kvm_debugregs)
1618#define KVM_SET_DEBUGREGS _IOW(KVMIO, 0xa2, struct kvm_debugregs)
1619/*
1620 * vcpu version available with KVM_CAP_ENABLE_CAP
1621 * vm version available with KVM_CAP_ENABLE_CAP_VM
1622 */
1623#define KVM_ENABLE_CAP _IOW(KVMIO, 0xa3, struct kvm_enable_cap)
1624/* Available with KVM_CAP_XSAVE */
1625#define KVM_GET_XSAVE _IOR(KVMIO, 0xa4, struct kvm_xsave)
1626#define KVM_SET_XSAVE _IOW(KVMIO, 0xa5, struct kvm_xsave)
1627/* Available with KVM_CAP_XCRS */
1628#define KVM_GET_XCRS _IOR(KVMIO, 0xa6, struct kvm_xcrs)
1629#define KVM_SET_XCRS _IOW(KVMIO, 0xa7, struct kvm_xcrs)
1630/* Available with KVM_CAP_SW_TLB */
1631#define KVM_DIRTY_TLB _IOW(KVMIO, 0xaa, struct kvm_dirty_tlb)
1632/* Available with KVM_CAP_ONE_REG */
1633#define KVM_GET_ONE_REG _IOW(KVMIO, 0xab, struct kvm_one_reg)
1634#define KVM_SET_ONE_REG _IOW(KVMIO, 0xac, struct kvm_one_reg)
1635/* VM is being stopped by host */
1636#define KVM_KVMCLOCK_CTRL _IO(KVMIO, 0xad)
1637#define KVM_ARM_VCPU_INIT _IOW(KVMIO, 0xae, struct kvm_vcpu_init)
1638#define KVM_ARM_PREFERRED_TARGET _IOR(KVMIO, 0xaf, struct kvm_vcpu_init)
1639#define KVM_GET_REG_LIST _IOWR(KVMIO, 0xb0, struct kvm_reg_list)
1640/* Available with KVM_CAP_S390_MEM_OP */
1641#define KVM_S390_MEM_OP _IOW(KVMIO, 0xb1, struct kvm_s390_mem_op)
1642/* Available with KVM_CAP_S390_SKEYS */
1643#define KVM_S390_GET_SKEYS _IOW(KVMIO, 0xb2, struct kvm_s390_skeys)
1644#define KVM_S390_SET_SKEYS _IOW(KVMIO, 0xb3, struct kvm_s390_skeys)
1645/* Available with KVM_CAP_S390_INJECT_IRQ */
1646#define KVM_S390_IRQ _IOW(KVMIO, 0xb4, struct kvm_s390_irq)
1647/* Available with KVM_CAP_S390_IRQ_STATE */
1648#define KVM_S390_SET_IRQ_STATE _IOW(KVMIO, 0xb5, struct kvm_s390_irq_state)
1649#define KVM_S390_GET_IRQ_STATE _IOW(KVMIO, 0xb6, struct kvm_s390_irq_state)
1650/* Available with KVM_CAP_X86_SMM */
1651#define KVM_SMI _IO(KVMIO, 0xb7)
1652/* Available with KVM_CAP_S390_CMMA_MIGRATION */
1653#define KVM_S390_GET_CMMA_BITS _IOWR(KVMIO, 0xb8, struct kvm_s390_cmma_log)
1654#define KVM_S390_SET_CMMA_BITS _IOW(KVMIO, 0xb9, struct kvm_s390_cmma_log)
1655/* Memory Encryption Commands */
1656#define KVM_MEMORY_ENCRYPT_OP _IOWR(KVMIO, 0xba, unsigned long)
1657
1658struct kvm_enc_region {
1659 __u64 addr;
1660 __u64 size;
1661};
1662
1663#define KVM_MEMORY_ENCRYPT_REG_REGION _IOR(KVMIO, 0xbb, struct kvm_enc_region)
1664#define KVM_MEMORY_ENCRYPT_UNREG_REGION _IOR(KVMIO, 0xbc, struct kvm_enc_region)
1665
1666/* Available with KVM_CAP_HYPERV_EVENTFD */
1667#define KVM_HYPERV_EVENTFD _IOW(KVMIO, 0xbd, struct kvm_hyperv_eventfd)
1668
1669/* Available with KVM_CAP_NESTED_STATE */
1670#define KVM_GET_NESTED_STATE _IOWR(KVMIO, 0xbe, struct kvm_nested_state)
1671#define KVM_SET_NESTED_STATE _IOW(KVMIO, 0xbf, struct kvm_nested_state)
1672
1673/* Available with KVM_CAP_MANUAL_DIRTY_LOG_PROTECT_2 */
1674#define KVM_CLEAR_DIRTY_LOG _IOWR(KVMIO, 0xc0, struct kvm_clear_dirty_log)
1675
1676/* Available with KVM_CAP_HYPERV_CPUID (vcpu) / KVM_CAP_SYS_HYPERV_CPUID (system) */
1677#define KVM_GET_SUPPORTED_HV_CPUID _IOWR(KVMIO, 0xc1, struct kvm_cpuid2)
1678
1679/* Available with KVM_CAP_ARM_SVE */
1680#define KVM_ARM_VCPU_FINALIZE _IOW(KVMIO, 0xc2, int)
1681
1682/* Available with KVM_CAP_S390_VCPU_RESETS */
1683#define KVM_S390_NORMAL_RESET _IO(KVMIO, 0xc3)
1684#define KVM_S390_CLEAR_RESET _IO(KVMIO, 0xc4)
1685
1686struct kvm_s390_pv_sec_parm {
1687 __u64 origin;
1688 __u64 length;
1689};
1690
1691struct kvm_s390_pv_unp {
1692 __u64 addr;
1693 __u64 size;
1694 __u64 tweak;
1695};
1696
1697enum pv_cmd_dmp_id {
1698 KVM_PV_DUMP_INIT,
1699 KVM_PV_DUMP_CONFIG_STOR_STATE,
1700 KVM_PV_DUMP_COMPLETE,
1701 KVM_PV_DUMP_CPU,
1702};
1703
1704struct kvm_s390_pv_dmp {
1705 __u64 subcmd;
1706 __u64 buff_addr;
1707 __u64 buff_len;
1708 __u64 gaddr; /* For dump storage state */
1709 __u64 reserved[4];
1710};
1711
1712enum pv_cmd_info_id {
1713 KVM_PV_INFO_VM,
1714 KVM_PV_INFO_DUMP,
1715};
1716
1717struct kvm_s390_pv_info_dump {
1718 __u64 dump_cpu_buffer_len;
1719 __u64 dump_config_mem_buffer_per_1m;
1720 __u64 dump_config_finalize_len;
1721};
1722
1723struct kvm_s390_pv_info_vm {
1724 __u64 inst_calls_list[4];
1725 __u64 max_cpus;
1726 __u64 max_guests;
1727 __u64 max_guest_addr;
1728 __u64 feature_indication;
1729};
1730
1731struct kvm_s390_pv_info_header {
1732 __u32 id;
1733 __u32 len_max;
1734 __u32 len_written;
1735 __u32 reserved;
1736};
1737
1738struct kvm_s390_pv_info {
1739 struct kvm_s390_pv_info_header header;
1740 union {
1741 struct kvm_s390_pv_info_dump dump;
1742 struct kvm_s390_pv_info_vm vm;
1743 };
1744};
1745
1746enum pv_cmd_id {
1747 KVM_PV_ENABLE,
1748 KVM_PV_DISABLE,
1749 KVM_PV_SET_SEC_PARMS,
1750 KVM_PV_UNPACK,
1751 KVM_PV_VERIFY,
1752 KVM_PV_PREP_RESET,
1753 KVM_PV_UNSHARE_ALL,
1754 KVM_PV_INFO,
1755 KVM_PV_DUMP,
1756 KVM_PV_ASYNC_CLEANUP_PREPARE,
1757 KVM_PV_ASYNC_CLEANUP_PERFORM,
1758};
1759
1760struct kvm_pv_cmd {
1761 __u32 cmd; /* Command to be executed */
1762 __u16 rc; /* Ultravisor return code */
1763 __u16 rrc; /* Ultravisor return reason code */
1764 __u64 data; /* Data or address */
1765 __u32 flags; /* flags for future extensions. Must be 0 for now */
1766 __u32 reserved[3];
1767};
1768
1769/* Available with KVM_CAP_S390_PROTECTED */
1770#define KVM_S390_PV_COMMAND _IOWR(KVMIO, 0xc5, struct kvm_pv_cmd)
1771
1772/* Available with KVM_CAP_X86_MSR_FILTER */
1773#define KVM_X86_SET_MSR_FILTER _IOW(KVMIO, 0xc6, struct kvm_msr_filter)
1774
1775/* Available with KVM_CAP_DIRTY_LOG_RING */
1776#define KVM_RESET_DIRTY_RINGS _IO(KVMIO, 0xc7)
1777
1778/* Per-VM Xen attributes */
1779#define KVM_XEN_HVM_GET_ATTR _IOWR(KVMIO, 0xc8, struct kvm_xen_hvm_attr)
1780#define KVM_XEN_HVM_SET_ATTR _IOW(KVMIO, 0xc9, struct kvm_xen_hvm_attr)
1781
1782struct kvm_xen_hvm_attr {
1783 __u16 type;
1784 __u16 pad[3];
1785 union {
1786 __u8 long_mode;
1787 __u8 vector;
1788 __u8 runstate_update_flag;
1789 struct {
1790 __u64 gfn;
1791#define KVM_XEN_INVALID_GFN ((__u64)-1)
1792 } shared_info;
1793 struct {
1794 __u32 send_port;
1795 __u32 type; /* EVTCHNSTAT_ipi / EVTCHNSTAT_interdomain */
1796 __u32 flags;
1797#define KVM_XEN_EVTCHN_DEASSIGN (1 << 0)
1798#define KVM_XEN_EVTCHN_UPDATE (1 << 1)
1799#define KVM_XEN_EVTCHN_RESET (1 << 2)
1800 /*
1801 * Events sent by the guest are either looped back to
1802 * the guest itself (potentially on a different port#)
1803 * or signalled via an eventfd.
1804 */
1805 union {
1806 struct {
1807 __u32 port;
1808 __u32 vcpu;
1809 __u32 priority;
1810 } port;
1811 struct {
1812 __u32 port; /* Zero for eventfd */
1813 __s32 fd;
1814 } eventfd;
1815 __u32 padding[4];
1816 } deliver;
1817 } evtchn;
1818 __u32 xen_version;
1819 __u64 pad[8];
1820 } u;
1821};
1822
1823
1824/* Available with KVM_CAP_XEN_HVM / KVM_XEN_HVM_CONFIG_SHARED_INFO */
1825#define KVM_XEN_ATTR_TYPE_LONG_MODE 0x0
1826#define KVM_XEN_ATTR_TYPE_SHARED_INFO 0x1
1827#define KVM_XEN_ATTR_TYPE_UPCALL_VECTOR 0x2
1828/* Available with KVM_CAP_XEN_HVM / KVM_XEN_HVM_CONFIG_EVTCHN_SEND */
1829#define KVM_XEN_ATTR_TYPE_EVTCHN 0x3
1830#define KVM_XEN_ATTR_TYPE_XEN_VERSION 0x4
1831/* Available with KVM_CAP_XEN_HVM / KVM_XEN_HVM_CONFIG_RUNSTATE_UPDATE_FLAG */
1832#define KVM_XEN_ATTR_TYPE_RUNSTATE_UPDATE_FLAG 0x5
1833
1834/* Per-vCPU Xen attributes */
1835#define KVM_XEN_VCPU_GET_ATTR _IOWR(KVMIO, 0xca, struct kvm_xen_vcpu_attr)
1836#define KVM_XEN_VCPU_SET_ATTR _IOW(KVMIO, 0xcb, struct kvm_xen_vcpu_attr)
1837
1838/* Available with KVM_CAP_XEN_HVM / KVM_XEN_HVM_CONFIG_EVTCHN_SEND */
1839#define KVM_XEN_HVM_EVTCHN_SEND _IOW(KVMIO, 0xd0, struct kvm_irq_routing_xen_evtchn)
1840
1841#define KVM_GET_SREGS2 _IOR(KVMIO, 0xcc, struct kvm_sregs2)
1842#define KVM_SET_SREGS2 _IOW(KVMIO, 0xcd, struct kvm_sregs2)
1843
1844struct kvm_xen_vcpu_attr {
1845 __u16 type;
1846 __u16 pad[3];
1847 union {
1848 __u64 gpa;
1849#define KVM_XEN_INVALID_GPA ((__u64)-1)
1850 __u64 pad[8];
1851 struct {
1852 __u64 state;
1853 __u64 state_entry_time;
1854 __u64 time_running;
1855 __u64 time_runnable;
1856 __u64 time_blocked;
1857 __u64 time_offline;
1858 } runstate;
1859 __u32 vcpu_id;
1860 struct {
1861 __u32 port;
1862 __u32 priority;
1863 __u64 expires_ns;
1864 } timer;
1865 __u8 vector;
1866 } u;
1867};
1868
1869/* Available with KVM_CAP_XEN_HVM / KVM_XEN_HVM_CONFIG_SHARED_INFO */
1870#define KVM_XEN_VCPU_ATTR_TYPE_VCPU_INFO 0x0
1871#define KVM_XEN_VCPU_ATTR_TYPE_VCPU_TIME_INFO 0x1
1872#define KVM_XEN_VCPU_ATTR_TYPE_RUNSTATE_ADDR 0x2
1873#define KVM_XEN_VCPU_ATTR_TYPE_RUNSTATE_CURRENT 0x3
1874#define KVM_XEN_VCPU_ATTR_TYPE_RUNSTATE_DATA 0x4
1875#define KVM_XEN_VCPU_ATTR_TYPE_RUNSTATE_ADJUST 0x5
1876/* Available with KVM_CAP_XEN_HVM / KVM_XEN_HVM_CONFIG_EVTCHN_SEND */
1877#define KVM_XEN_VCPU_ATTR_TYPE_VCPU_ID 0x6
1878#define KVM_XEN_VCPU_ATTR_TYPE_TIMER 0x7
1879#define KVM_XEN_VCPU_ATTR_TYPE_UPCALL_VECTOR 0x8
1880
1881/* Secure Encrypted Virtualization command */
1882enum sev_cmd_id {
1883 /* Guest initialization commands */
1884 KVM_SEV_INIT = 0,
1885 KVM_SEV_ES_INIT,
1886 /* Guest launch commands */
1887 KVM_SEV_LAUNCH_START,
1888 KVM_SEV_LAUNCH_UPDATE_DATA,
1889 KVM_SEV_LAUNCH_UPDATE_VMSA,
1890 KVM_SEV_LAUNCH_SECRET,
1891 KVM_SEV_LAUNCH_MEASURE,
1892 KVM_SEV_LAUNCH_FINISH,
1893 /* Guest migration commands (outgoing) */
1894 KVM_SEV_SEND_START,
1895 KVM_SEV_SEND_UPDATE_DATA,
1896 KVM_SEV_SEND_UPDATE_VMSA,
1897 KVM_SEV_SEND_FINISH,
1898 /* Guest migration commands (incoming) */
1899 KVM_SEV_RECEIVE_START,
1900 KVM_SEV_RECEIVE_UPDATE_DATA,
1901 KVM_SEV_RECEIVE_UPDATE_VMSA,
1902 KVM_SEV_RECEIVE_FINISH,
1903 /* Guest status and debug commands */
1904 KVM_SEV_GUEST_STATUS,
1905 KVM_SEV_DBG_DECRYPT,
1906 KVM_SEV_DBG_ENCRYPT,
1907 /* Guest certificates commands */
1908 KVM_SEV_CERT_EXPORT,
1909 /* Attestation report */
1910 KVM_SEV_GET_ATTESTATION_REPORT,
1911 /* Guest Migration Extension */
1912 KVM_SEV_SEND_CANCEL,
1913
1914 KVM_SEV_NR_MAX,
1915};
1916
1917struct kvm_sev_cmd {
1918 __u32 id;
1919 __u64 data;
1920 __u32 error;
1921 __u32 sev_fd;
1922};
1923
1924struct kvm_sev_launch_start {
1925 __u32 handle;
1926 __u32 policy;
1927 __u64 dh_uaddr;
1928 __u32 dh_len;
1929 __u64 session_uaddr;
1930 __u32 session_len;
1931};
1932
1933struct kvm_sev_launch_update_data {
1934 __u64 uaddr;
1935 __u32 len;
1936};
1937
1938
1939struct kvm_sev_launch_secret {
1940 __u64 hdr_uaddr;
1941 __u32 hdr_len;
1942 __u64 guest_uaddr;
1943 __u32 guest_len;
1944 __u64 trans_uaddr;
1945 __u32 trans_len;
1946};
1947
1948struct kvm_sev_launch_measure {
1949 __u64 uaddr;
1950 __u32 len;
1951};
1952
1953struct kvm_sev_guest_status {
1954 __u32 handle;
1955 __u32 policy;
1956 __u32 state;
1957};
1958
1959struct kvm_sev_dbg {
1960 __u64 src_uaddr;
1961 __u64 dst_uaddr;
1962 __u32 len;
1963};
1964
1965struct kvm_sev_attestation_report {
1966 __u8 mnonce[16];
1967 __u64 uaddr;
1968 __u32 len;
1969};
1970
1971struct kvm_sev_send_start {
1972 __u32 policy;
1973 __u64 pdh_cert_uaddr;
1974 __u32 pdh_cert_len;
1975 __u64 plat_certs_uaddr;
1976 __u32 plat_certs_len;
1977 __u64 amd_certs_uaddr;
1978 __u32 amd_certs_len;
1979 __u64 session_uaddr;
1980 __u32 session_len;
1981};
1982
1983struct kvm_sev_send_update_data {
1984 __u64 hdr_uaddr;
1985 __u32 hdr_len;
1986 __u64 guest_uaddr;
1987 __u32 guest_len;
1988 __u64 trans_uaddr;
1989 __u32 trans_len;
1990};
1991
1992struct kvm_sev_receive_start {
1993 __u32 handle;
1994 __u32 policy;
1995 __u64 pdh_uaddr;
1996 __u32 pdh_len;
1997 __u64 session_uaddr;
1998 __u32 session_len;
1999};
2000
2001struct kvm_sev_receive_update_data {
2002 __u64 hdr_uaddr;
2003 __u32 hdr_len;
2004 __u64 guest_uaddr;
2005 __u32 guest_len;
2006 __u64 trans_uaddr;
2007 __u32 trans_len;
2008};
2009
2010#define KVM_DEV_ASSIGN_ENABLE_IOMMU (1 << 0)
2011#define KVM_DEV_ASSIGN_PCI_2_3 (1 << 1)
2012#define KVM_DEV_ASSIGN_MASK_INTX (1 << 2)
2013
2014struct kvm_assigned_pci_dev {
2015 __u32 assigned_dev_id;
2016 __u32 busnr;
2017 __u32 devfn;
2018 __u32 flags;
2019 __u32 segnr;
2020 union {
2021 __u32 reserved[11];
2022 };
2023};
2024
2025#define KVM_DEV_IRQ_HOST_INTX (1 << 0)
2026#define KVM_DEV_IRQ_HOST_MSI (1 << 1)
2027#define KVM_DEV_IRQ_HOST_MSIX (1 << 2)
2028
2029#define KVM_DEV_IRQ_GUEST_INTX (1 << 8)
2030#define KVM_DEV_IRQ_GUEST_MSI (1 << 9)
2031#define KVM_DEV_IRQ_GUEST_MSIX (1 << 10)
2032
2033#define KVM_DEV_IRQ_HOST_MASK 0x00ff
2034#define KVM_DEV_IRQ_GUEST_MASK 0xff00
2035
2036struct kvm_assigned_irq {
2037 __u32 assigned_dev_id;
2038 __u32 host_irq; /* ignored (legacy field) */
2039 __u32 guest_irq;
2040 __u32 flags;
2041 union {
2042 __u32 reserved[12];
2043 };
2044};
2045
2046struct kvm_assigned_msix_nr {
2047 __u32 assigned_dev_id;
2048 __u16 entry_nr;
2049 __u16 padding;
2050};
2051
2052#define KVM_MAX_MSIX_PER_DEV 256
2053struct kvm_assigned_msix_entry {
2054 __u32 assigned_dev_id;
2055 __u32 gsi;
2056 __u16 entry; /* The index of entry in the MSI-X table */
2057 __u16 padding[3];
2058};
2059
2060#define KVM_X2APIC_API_USE_32BIT_IDS (1ULL << 0)
2061#define KVM_X2APIC_API_DISABLE_BROADCAST_QUIRK (1ULL << 1)
2062
2063/* Available with KVM_CAP_ARM_USER_IRQ */
2064
2065/* Bits for run->s.regs.device_irq_level */
2066#define KVM_ARM_DEV_EL1_VTIMER (1 << 0)
2067#define KVM_ARM_DEV_EL1_PTIMER (1 << 1)
2068#define KVM_ARM_DEV_PMU (1 << 2)
2069
2070struct kvm_hyperv_eventfd {
2071 __u32 conn_id;
2072 __s32 fd;
2073 __u32 flags;
2074 __u32 padding[3];
2075};
2076
2077#define KVM_HYPERV_CONN_ID_MASK 0x00ffffff
2078#define KVM_HYPERV_EVENTFD_DEASSIGN (1 << 0)
2079
2080#define KVM_DIRTY_LOG_MANUAL_PROTECT_ENABLE (1 << 0)
2081#define KVM_DIRTY_LOG_INITIALLY_SET (1 << 1)
2082
2083/*
2084 * Arch needs to define the macro after implementing the dirty ring
2085 * feature. KVM_DIRTY_LOG_PAGE_OFFSET should be defined as the
2086 * starting page offset of the dirty ring structures.
2087 */
2088#ifndef KVM_DIRTY_LOG_PAGE_OFFSET
2089#define KVM_DIRTY_LOG_PAGE_OFFSET 0
2090#endif
2091
2092/*
2093 * KVM dirty GFN flags, defined as:
2094 *
2095 * |---------------+---------------+--------------|
2096 * | bit 1 (reset) | bit 0 (dirty) | Status |
2097 * |---------------+---------------+--------------|
2098 * | 0 | 0 | Invalid GFN |
2099 * | 0 | 1 | Dirty GFN |
2100 * | 1 | X | GFN to reset |
2101 * |---------------+---------------+--------------|
2102 *
2103 * Lifecycle of a dirty GFN goes like:
2104 *
2105 * dirtied harvested reset
2106 * 00 -----------> 01 -------------> 1X -------+
2107 * ^ |
2108 * | |
2109 * +------------------------------------------+
2110 *
2111 * The userspace program is only responsible for the 01->1X state
2112 * conversion after harvesting an entry. Also, it must not skip any
2113 * dirty bits, so that dirty bits are always harvested in sequence.
2114 */
2115#define KVM_DIRTY_GFN_F_DIRTY _BITUL(0)
2116#define KVM_DIRTY_GFN_F_RESET _BITUL(1)
2117#define KVM_DIRTY_GFN_F_MASK 0x3
2118
2119/*
2120 * KVM dirty rings should be mapped at KVM_DIRTY_LOG_PAGE_OFFSET of
2121 * per-vcpu mmaped regions as an array of struct kvm_dirty_gfn. The
2122 * size of the gfn buffer is decided by the first argument when
2123 * enabling KVM_CAP_DIRTY_LOG_RING.
2124 */
2125struct kvm_dirty_gfn {
2126 __u32 flags;
2127 __u32 slot;
2128 __u64 offset;
2129};
2130
2131#define KVM_BUS_LOCK_DETECTION_OFF (1 << 0)
2132#define KVM_BUS_LOCK_DETECTION_EXIT (1 << 1)
2133
2134#define KVM_PMU_CAP_DISABLE (1 << 0)
2135
2136/**
2137 * struct kvm_stats_header - Header of per vm/vcpu binary statistics data.
2138 * @flags: Some extra information for header, always 0 for now.
2139 * @name_size: The size in bytes of the memory which contains statistics
2140 * name string including trailing '\0'. The memory is allocated
2141 * at the send of statistics descriptor.
2142 * @num_desc: The number of statistics the vm or vcpu has.
2143 * @id_offset: The offset of the vm/vcpu stats' id string in the file pointed
2144 * by vm/vcpu stats fd.
2145 * @desc_offset: The offset of the vm/vcpu stats' descriptor block in the file
2146 * pointd by vm/vcpu stats fd.
2147 * @data_offset: The offset of the vm/vcpu stats' data block in the file
2148 * pointed by vm/vcpu stats fd.
2149 *
2150 * This is the header userspace needs to read from stats fd before any other
2151 * readings. It is used by userspace to discover all the information about the
2152 * vm/vcpu's binary statistics.
2153 * Userspace reads this header from the start of the vm/vcpu's stats fd.
2154 */
2155struct kvm_stats_header {
2156 __u32 flags;
2157 __u32 name_size;
2158 __u32 num_desc;
2159 __u32 id_offset;
2160 __u32 desc_offset;
2161 __u32 data_offset;
2162};
2163
2164#define KVM_STATS_TYPE_SHIFT 0
2165#define KVM_STATS_TYPE_MASK (0xF << KVM_STATS_TYPE_SHIFT)
2166#define KVM_STATS_TYPE_CUMULATIVE (0x0 << KVM_STATS_TYPE_SHIFT)
2167#define KVM_STATS_TYPE_INSTANT (0x1 << KVM_STATS_TYPE_SHIFT)
2168#define KVM_STATS_TYPE_PEAK (0x2 << KVM_STATS_TYPE_SHIFT)
2169#define KVM_STATS_TYPE_LINEAR_HIST (0x3 << KVM_STATS_TYPE_SHIFT)
2170#define KVM_STATS_TYPE_LOG_HIST (0x4 << KVM_STATS_TYPE_SHIFT)
2171#define KVM_STATS_TYPE_MAX KVM_STATS_TYPE_LOG_HIST
2172
2173#define KVM_STATS_UNIT_SHIFT 4
2174#define KVM_STATS_UNIT_MASK (0xF << KVM_STATS_UNIT_SHIFT)
2175#define KVM_STATS_UNIT_NONE (0x0 << KVM_STATS_UNIT_SHIFT)
2176#define KVM_STATS_UNIT_BYTES (0x1 << KVM_STATS_UNIT_SHIFT)
2177#define KVM_STATS_UNIT_SECONDS (0x2 << KVM_STATS_UNIT_SHIFT)
2178#define KVM_STATS_UNIT_CYCLES (0x3 << KVM_STATS_UNIT_SHIFT)
2179#define KVM_STATS_UNIT_BOOLEAN (0x4 << KVM_STATS_UNIT_SHIFT)
2180#define KVM_STATS_UNIT_MAX KVM_STATS_UNIT_BOOLEAN
2181
2182#define KVM_STATS_BASE_SHIFT 8
2183#define KVM_STATS_BASE_MASK (0xF << KVM_STATS_BASE_SHIFT)
2184#define KVM_STATS_BASE_POW10 (0x0 << KVM_STATS_BASE_SHIFT)
2185#define KVM_STATS_BASE_POW2 (0x1 << KVM_STATS_BASE_SHIFT)
2186#define KVM_STATS_BASE_MAX KVM_STATS_BASE_POW2
2187
2188/**
2189 * struct kvm_stats_desc - Descriptor of a KVM statistics.
2190 * @flags: Annotations of the stats, like type, unit, etc.
2191 * @exponent: Used together with @flags to determine the unit.
2192 * @size: The number of data items for this stats.
2193 * Every data item is of type __u64.
2194 * @offset: The offset of the stats to the start of stat structure in
2195 * structure kvm or kvm_vcpu.
2196 * @bucket_size: A parameter value used for histogram stats. It is only used
2197 * for linear histogram stats, specifying the size of the bucket;
2198 * @name: The name string for the stats. Its size is indicated by the
2199 * &kvm_stats_header->name_size.
2200 */
2201struct kvm_stats_desc {
2202 __u32 flags;
2203 __s16 exponent;
2204 __u16 size;
2205 __u32 offset;
2206 __u32 bucket_size;
2207 char name[];
2208};
2209
2210#define KVM_GET_STATS_FD _IO(KVMIO, 0xce)
2211
2212/* Available with KVM_CAP_XSAVE2 */
2213#define KVM_GET_XSAVE2 _IOR(KVMIO, 0xcf, struct kvm_xsave)
2214
2215/* Available with KVM_CAP_S390_PROTECTED_DUMP */
2216#define KVM_S390_PV_CPU_COMMAND _IOWR(KVMIO, 0xd0, struct kvm_pv_cmd)
2217
2218/* Available with KVM_CAP_X86_NOTIFY_VMEXIT */
2219#define KVM_X86_NOTIFY_VMEXIT_ENABLED (1ULL << 0)
2220#define KVM_X86_NOTIFY_VMEXIT_USER (1ULL << 1)
2221
2222/* Available with KVM_CAP_S390_ZPCI_OP */
2223#define KVM_S390_ZPCI_OP _IOW(KVMIO, 0xd1, struct kvm_s390_zpci_op)
2224
2225struct kvm_s390_zpci_op {
2226 /* in */
2227 __u32 fh; /* target device */
2228 __u8 op; /* operation to perform */
2229 __u8 pad[3];
2230 union {
2231 /* for KVM_S390_ZPCIOP_REG_AEN */
2232 struct {
2233 __u64 ibv; /* Guest addr of interrupt bit vector */
2234 __u64 sb; /* Guest addr of summary bit */
2235 __u32 flags;
2236 __u32 noi; /* Number of interrupts */
2237 __u8 isc; /* Guest interrupt subclass */
2238 __u8 sbo; /* Offset of guest summary bit vector */
2239 __u16 pad;
2240 } reg_aen;
2241 __u64 reserved[8];
2242 } u;
2243};
2244
2245/* types for kvm_s390_zpci_op->op */
2246#define KVM_S390_ZPCIOP_REG_AEN 0
2247#define KVM_S390_ZPCIOP_DEREG_AEN 1
2248
2249/* flags for kvm_s390_zpci_op->u.reg_aen.flags */
2250#define KVM_S390_ZPCIOP_REGAEN_HOST (1 << 0)
2251
2252#endif /* __LINUX_KVM_H */