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/types.h>
12 
13 #include <linux/ioctl.h>
14 #include <asm/kvm.h>
15 
16 #define KVM_API_VERSION 12
17 
18 /* *** Deprecated interfaces *** */
19 
20 #define KVM_TRC_SHIFT           16
21 
22 #define KVM_TRC_ENTRYEXIT       (1 << KVM_TRC_SHIFT)
23 #define KVM_TRC_HANDLER         (1 << (KVM_TRC_SHIFT + 1))
24 
25 #define KVM_TRC_VMENTRY         (KVM_TRC_ENTRYEXIT + 0x01)
26 #define KVM_TRC_VMEXIT          (KVM_TRC_ENTRYEXIT + 0x02)
27 #define KVM_TRC_PAGE_FAULT      (KVM_TRC_HANDLER + 0x01)
28 
29 #define KVM_TRC_HEAD_SIZE       12
30 #define KVM_TRC_CYCLE_SIZE      8
31 #define KVM_TRC_EXTRA_MAX       7
32 
33 #define KVM_TRC_INJ_VIRQ         (KVM_TRC_HANDLER + 0x02)
34 #define KVM_TRC_REDELIVER_EVT    (KVM_TRC_HANDLER + 0x03)
35 #define KVM_TRC_PEND_INTR        (KVM_TRC_HANDLER + 0x04)
36 #define KVM_TRC_IO_READ          (KVM_TRC_HANDLER + 0x05)
37 #define KVM_TRC_IO_WRITE         (KVM_TRC_HANDLER + 0x06)
38 #define KVM_TRC_CR_READ          (KVM_TRC_HANDLER + 0x07)
39 #define KVM_TRC_CR_WRITE         (KVM_TRC_HANDLER + 0x08)
40 #define KVM_TRC_DR_READ          (KVM_TRC_HANDLER + 0x09)
41 #define KVM_TRC_DR_WRITE         (KVM_TRC_HANDLER + 0x0A)
42 #define KVM_TRC_MSR_READ         (KVM_TRC_HANDLER + 0x0B)
43 #define KVM_TRC_MSR_WRITE        (KVM_TRC_HANDLER + 0x0C)
44 #define KVM_TRC_CPUID            (KVM_TRC_HANDLER + 0x0D)
45 #define KVM_TRC_INTR             (KVM_TRC_HANDLER + 0x0E)
46 #define KVM_TRC_NMI              (KVM_TRC_HANDLER + 0x0F)
47 #define KVM_TRC_VMMCALL          (KVM_TRC_HANDLER + 0x10)
48 #define KVM_TRC_HLT              (KVM_TRC_HANDLER + 0x11)
49 #define KVM_TRC_CLTS             (KVM_TRC_HANDLER + 0x12)
50 #define KVM_TRC_LMSW             (KVM_TRC_HANDLER + 0x13)
51 #define KVM_TRC_APIC_ACCESS      (KVM_TRC_HANDLER + 0x14)
52 #define KVM_TRC_TDP_FAULT        (KVM_TRC_HANDLER + 0x15)
53 #define KVM_TRC_GTLB_WRITE       (KVM_TRC_HANDLER + 0x16)
54 #define KVM_TRC_STLB_WRITE       (KVM_TRC_HANDLER + 0x17)
55 #define KVM_TRC_STLB_INVAL       (KVM_TRC_HANDLER + 0x18)
56 #define KVM_TRC_PPC_INSTR        (KVM_TRC_HANDLER + 0x19)
57 
58 struct kvm_user_trace_setup {
59 	__u32 buf_size;
60 	__u32 buf_nr;
61 };
62 
63 #define __KVM_DEPRECATED_MAIN_W_0x06 \
64 	_IOW(KVMIO, 0x06, struct kvm_user_trace_setup)
65 #define __KVM_DEPRECATED_MAIN_0x07 _IO(KVMIO, 0x07)
66 #define __KVM_DEPRECATED_MAIN_0x08 _IO(KVMIO, 0x08)
67 
68 #define __KVM_DEPRECATED_VM_R_0x70 _IOR(KVMIO, 0x70, struct kvm_assigned_irq)
69 
70 struct kvm_breakpoint {
71 	__u32 enabled;
72 	__u32 padding;
73 	__u64 address;
74 };
75 
76 struct kvm_debug_guest {
77 	__u32 enabled;
78 	__u32 pad;
79 	struct kvm_breakpoint breakpoints[4];
80 	__u32 singlestep;
81 };
82 
83 #define __KVM_DEPRECATED_VCPU_W_0x87 _IOW(KVMIO, 0x87, struct kvm_debug_guest)
84 
85 /* *** End of deprecated interfaces *** */
86 
87 
88 /* for KVM_CREATE_MEMORY_REGION */
89 struct kvm_memory_region {
90 	__u32 slot;
91 	__u32 flags;
92 	__u64 guest_phys_addr;
93 	__u64 memory_size; /* bytes */
94 };
95 
96 /* for KVM_SET_USER_MEMORY_REGION */
97 struct kvm_userspace_memory_region {
98 	__u32 slot;
99 	__u32 flags;
100 	__u64 guest_phys_addr;
101 	__u64 memory_size; /* bytes */
102 	__u64 userspace_addr; /* start of the userspace allocated memory */
103 };
104 
105 /*
106  * The bit 0 ~ bit 15 of kvm_memory_region::flags are visible for userspace,
107  * other bits are reserved for kvm internal use which are defined in
108  * include/linux/kvm_host.h.
109  */
110 #define KVM_MEM_LOG_DIRTY_PAGES	(1UL << 0)
111 #define KVM_MEM_READONLY	(1UL << 1)
112 
113 /* for KVM_IRQ_LINE */
114 struct kvm_irq_level {
115 	/*
116 	 * ACPI gsi notion of irq.
117 	 * For IA-64 (APIC model) IOAPIC0: irq 0-23; IOAPIC1: irq 24-47..
118 	 * For X86 (standard AT mode) PIC0/1: irq 0-15. IOAPIC0: 0-23..
119 	 * For ARM: See Documentation/virt/kvm/api.rst
120 	 */
121 	union {
122 		__u32 irq;
123 		__s32 status;
124 	};
125 	__u32 level;
126 };
127 
128 
129 struct kvm_irqchip {
130 	__u32 chip_id;
131 	__u32 pad;
132         union {
133 		char dummy[512];  /* reserving space */
134 #ifdef __KVM_HAVE_PIT
135 		struct kvm_pic_state pic;
136 #endif
137 #ifdef __KVM_HAVE_IOAPIC
138 		struct kvm_ioapic_state ioapic;
139 #endif
140 	} chip;
141 };
142 
143 /* for KVM_CREATE_PIT2 */
144 struct kvm_pit_config {
145 	__u32 flags;
146 	__u32 pad[15];
147 };
148 
149 #define KVM_PIT_SPEAKER_DUMMY     1
150 
151 struct kvm_s390_skeys {
152 	__u64 start_gfn;
153 	__u64 count;
154 	__u64 skeydata_addr;
155 	__u32 flags;
156 	__u32 reserved[9];
157 };
158 
159 #define KVM_S390_CMMA_PEEK (1 << 0)
160 
161 /**
162  * kvm_s390_cmma_log - Used for CMMA migration.
163  *
164  * Used both for input and output.
165  *
166  * @start_gfn: Guest page number to start from.
167  * @count: Size of the result buffer.
168  * @flags: Control operation mode via KVM_S390_CMMA_* flags
169  * @remaining: Used with KVM_S390_GET_CMMA_BITS. Indicates how many dirty
170  *             pages are still remaining.
171  * @mask: Used with KVM_S390_SET_CMMA_BITS. Bitmap of bits to actually set
172  *        in the PGSTE.
173  * @values: Pointer to the values buffer.
174  *
175  * Used in KVM_S390_{G,S}ET_CMMA_BITS ioctls.
176  */
177 struct kvm_s390_cmma_log {
178 	__u64 start_gfn;
179 	__u32 count;
180 	__u32 flags;
181 	union {
182 		__u64 remaining;
183 		__u64 mask;
184 	};
185 	__u64 values;
186 };
187 
188 struct kvm_hyperv_exit {
189 #define KVM_EXIT_HYPERV_SYNIC          1
190 #define KVM_EXIT_HYPERV_HCALL          2
191 #define KVM_EXIT_HYPERV_SYNDBG         3
192 	__u32 type;
193 	__u32 pad1;
194 	union {
195 		struct {
196 			__u32 msr;
197 			__u32 pad2;
198 			__u64 control;
199 			__u64 evt_page;
200 			__u64 msg_page;
201 		} synic;
202 		struct {
203 			__u64 input;
204 			__u64 result;
205 			__u64 params[2];
206 		} hcall;
207 		struct {
208 			__u32 msr;
209 			__u32 pad2;
210 			__u64 control;
211 			__u64 status;
212 			__u64 send_page;
213 			__u64 recv_page;
214 			__u64 pending_page;
215 		} syndbg;
216 	} u;
217 };
218 
219 #define KVM_S390_GET_SKEYS_NONE   1
220 #define KVM_S390_SKEYS_MAX        1048576
221 
222 #define KVM_EXIT_UNKNOWN          0
223 #define KVM_EXIT_EXCEPTION        1
224 #define KVM_EXIT_IO               2
225 #define KVM_EXIT_HYPERCALL        3
226 #define KVM_EXIT_DEBUG            4
227 #define KVM_EXIT_HLT              5
228 #define KVM_EXIT_MMIO             6
229 #define KVM_EXIT_IRQ_WINDOW_OPEN  7
230 #define KVM_EXIT_SHUTDOWN         8
231 #define KVM_EXIT_FAIL_ENTRY       9
232 #define KVM_EXIT_INTR             10
233 #define KVM_EXIT_SET_TPR          11
234 #define KVM_EXIT_TPR_ACCESS       12
235 #define KVM_EXIT_S390_SIEIC       13
236 #define KVM_EXIT_S390_RESET       14
237 #define KVM_EXIT_DCR              15 /* deprecated */
238 #define KVM_EXIT_NMI              16
239 #define KVM_EXIT_INTERNAL_ERROR   17
240 #define KVM_EXIT_OSI              18
241 #define KVM_EXIT_PAPR_HCALL	  19
242 #define KVM_EXIT_S390_UCONTROL	  20
243 #define KVM_EXIT_WATCHDOG         21
244 #define KVM_EXIT_S390_TSCH        22
245 #define KVM_EXIT_EPR              23
246 #define KVM_EXIT_SYSTEM_EVENT     24
247 #define KVM_EXIT_S390_STSI        25
248 #define KVM_EXIT_IOAPIC_EOI       26
249 #define KVM_EXIT_HYPERV           27
250 #define KVM_EXIT_ARM_NISV         28
251 #define KVM_EXIT_X86_RDMSR        29
252 #define KVM_EXIT_X86_WRMSR        30
253 #define KVM_EXIT_DIRTY_RING_FULL  31
254 
255 /* For KVM_EXIT_INTERNAL_ERROR */
256 /* Emulate instruction failed. */
257 #define KVM_INTERNAL_ERROR_EMULATION	1
258 /* Encounter unexpected simultaneous exceptions. */
259 #define KVM_INTERNAL_ERROR_SIMUL_EX	2
260 /* Encounter unexpected vm-exit due to delivery event. */
261 #define KVM_INTERNAL_ERROR_DELIVERY_EV	3
262 /* Encounter unexpected vm-exit reason */
263 #define KVM_INTERNAL_ERROR_UNEXPECTED_EXIT_REASON	4
264 
265 /* for KVM_RUN, returned by mmap(vcpu_fd, offset=0) */
266 struct kvm_run {
267 	/* in */
268 	__u8 request_interrupt_window;
269 	__u8 immediate_exit;
270 	__u8 padding1[6];
271 
272 	/* out */
273 	__u32 exit_reason;
274 	__u8 ready_for_interrupt_injection;
275 	__u8 if_flag;
276 	__u16 flags;
277 
278 	/* in (pre_kvm_run), out (post_kvm_run) */
279 	__u64 cr8;
280 	__u64 apic_base;
281 
282 #ifdef __KVM_S390
283 	/* the processor status word for s390 */
284 	__u64 psw_mask; /* psw upper half */
285 	__u64 psw_addr; /* psw lower half */
286 #endif
287 	union {
288 		/* KVM_EXIT_UNKNOWN */
289 		struct {
290 			__u64 hardware_exit_reason;
291 		} hw;
292 		/* KVM_EXIT_FAIL_ENTRY */
293 		struct {
294 			__u64 hardware_entry_failure_reason;
295 			__u32 cpu;
296 		} fail_entry;
297 		/* KVM_EXIT_EXCEPTION */
298 		struct {
299 			__u32 exception;
300 			__u32 error_code;
301 		} ex;
302 		/* KVM_EXIT_IO */
303 		struct {
304 #define KVM_EXIT_IO_IN  0
305 #define KVM_EXIT_IO_OUT 1
306 			__u8 direction;
307 			__u8 size; /* bytes */
308 			__u16 port;
309 			__u32 count;
310 			__u64 data_offset; /* relative to kvm_run start */
311 		} io;
312 		/* KVM_EXIT_DEBUG */
313 		struct {
314 			struct kvm_debug_exit_arch arch;
315 		} debug;
316 		/* KVM_EXIT_MMIO */
317 		struct {
318 			__u64 phys_addr;
319 			__u8  data[8];
320 			__u32 len;
321 			__u8  is_write;
322 		} mmio;
323 		/* KVM_EXIT_HYPERCALL */
324 		struct {
325 			__u64 nr;
326 			__u64 args[6];
327 			__u64 ret;
328 			__u32 longmode;
329 			__u32 pad;
330 		} hypercall;
331 		/* KVM_EXIT_TPR_ACCESS */
332 		struct {
333 			__u64 rip;
334 			__u32 is_write;
335 			__u32 pad;
336 		} tpr_access;
337 		/* KVM_EXIT_S390_SIEIC */
338 		struct {
339 			__u8 icptcode;
340 			__u16 ipa;
341 			__u32 ipb;
342 		} s390_sieic;
343 		/* KVM_EXIT_S390_RESET */
344 #define KVM_S390_RESET_POR       1
345 #define KVM_S390_RESET_CLEAR     2
346 #define KVM_S390_RESET_SUBSYSTEM 4
347 #define KVM_S390_RESET_CPU_INIT  8
348 #define KVM_S390_RESET_IPL       16
349 		__u64 s390_reset_flags;
350 		/* KVM_EXIT_S390_UCONTROL */
351 		struct {
352 			__u64 trans_exc_code;
353 			__u32 pgm_code;
354 		} s390_ucontrol;
355 		/* KVM_EXIT_DCR (deprecated) */
356 		struct {
357 			__u32 dcrn;
358 			__u32 data;
359 			__u8  is_write;
360 		} dcr;
361 		/* KVM_EXIT_INTERNAL_ERROR */
362 		struct {
363 			__u32 suberror;
364 			/* Available with KVM_CAP_INTERNAL_ERROR_DATA: */
365 			__u32 ndata;
366 			__u64 data[16];
367 		} internal;
368 		/* KVM_EXIT_OSI */
369 		struct {
370 			__u64 gprs[32];
371 		} osi;
372 		/* KVM_EXIT_PAPR_HCALL */
373 		struct {
374 			__u64 nr;
375 			__u64 ret;
376 			__u64 args[9];
377 		} papr_hcall;
378 		/* KVM_EXIT_S390_TSCH */
379 		struct {
380 			__u16 subchannel_id;
381 			__u16 subchannel_nr;
382 			__u32 io_int_parm;
383 			__u32 io_int_word;
384 			__u32 ipb;
385 			__u8 dequeued;
386 		} s390_tsch;
387 		/* KVM_EXIT_EPR */
388 		struct {
389 			__u32 epr;
390 		} epr;
391 		/* KVM_EXIT_SYSTEM_EVENT */
392 		struct {
393 #define KVM_SYSTEM_EVENT_SHUTDOWN       1
394 #define KVM_SYSTEM_EVENT_RESET          2
395 #define KVM_SYSTEM_EVENT_CRASH          3
396 			__u32 type;
397 			__u64 flags;
398 		} system_event;
399 		/* KVM_EXIT_S390_STSI */
400 		struct {
401 			__u64 addr;
402 			__u8 ar;
403 			__u8 reserved;
404 			__u8 fc;
405 			__u8 sel1;
406 			__u16 sel2;
407 		} s390_stsi;
408 		/* KVM_EXIT_IOAPIC_EOI */
409 		struct {
410 			__u8 vector;
411 		} eoi;
412 		/* KVM_EXIT_HYPERV */
413 		struct kvm_hyperv_exit hyperv;
414 		/* KVM_EXIT_ARM_NISV */
415 		struct {
416 			__u64 esr_iss;
417 			__u64 fault_ipa;
418 		} arm_nisv;
419 		/* KVM_EXIT_X86_RDMSR / KVM_EXIT_X86_WRMSR */
420 		struct {
421 			__u8 error; /* user -> kernel */
422 			__u8 pad[7];
423 #define KVM_MSR_EXIT_REASON_INVAL	(1 << 0)
424 #define KVM_MSR_EXIT_REASON_UNKNOWN	(1 << 1)
425 #define KVM_MSR_EXIT_REASON_FILTER	(1 << 2)
426 			__u32 reason; /* kernel -> user */
427 			__u32 index; /* kernel -> user */
428 			__u64 data; /* kernel <-> user */
429 		} msr;
430 		/* Fix the size of the union. */
431 		char padding[256];
432 	};
433 
434 	/* 2048 is the size of the char array used to bound/pad the size
435 	 * of the union that holds sync regs.
436 	 */
437 	#define SYNC_REGS_SIZE_BYTES 2048
438 	/*
439 	 * shared registers between kvm and userspace.
440 	 * kvm_valid_regs specifies the register classes set by the host
441 	 * kvm_dirty_regs specified the register classes dirtied by userspace
442 	 * struct kvm_sync_regs is architecture specific, as well as the
443 	 * bits for kvm_valid_regs and kvm_dirty_regs
444 	 */
445 	__u64 kvm_valid_regs;
446 	__u64 kvm_dirty_regs;
447 	union {
448 		struct kvm_sync_regs regs;
449 		char padding[SYNC_REGS_SIZE_BYTES];
450 	} s;
451 };
452 
453 /* for KVM_REGISTER_COALESCED_MMIO / KVM_UNREGISTER_COALESCED_MMIO */
454 
455 struct kvm_coalesced_mmio_zone {
456 	__u64 addr;
457 	__u32 size;
458 	union {
459 		__u32 pad;
460 		__u32 pio;
461 	};
462 };
463 
464 struct kvm_coalesced_mmio {
465 	__u64 phys_addr;
466 	__u32 len;
467 	union {
468 		__u32 pad;
469 		__u32 pio;
470 	};
471 	__u8  data[8];
472 };
473 
474 struct kvm_coalesced_mmio_ring {
475 	__u32 first, last;
476 	struct kvm_coalesced_mmio coalesced_mmio[0];
477 };
478 
479 #define KVM_COALESCED_MMIO_MAX \
480 	((PAGE_SIZE - sizeof(struct kvm_coalesced_mmio_ring)) / \
481 	 sizeof(struct kvm_coalesced_mmio))
482 
483 /* for KVM_TRANSLATE */
484 struct kvm_translation {
485 	/* in */
486 	__u64 linear_address;
487 
488 	/* out */
489 	__u64 physical_address;
490 	__u8  valid;
491 	__u8  writeable;
492 	__u8  usermode;
493 	__u8  pad[5];
494 };
495 
496 /* for KVM_S390_MEM_OP */
497 struct kvm_s390_mem_op {
498 	/* in */
499 	__u64 gaddr;		/* the guest address */
500 	__u64 flags;		/* flags */
501 	__u32 size;		/* amount of bytes */
502 	__u32 op;		/* type of operation */
503 	__u64 buf;		/* buffer in userspace */
504 	union {
505 		__u8 ar;	/* the access register number */
506 		__u32 sida_offset; /* offset into the sida */
507 		__u8 reserved[32]; /* should be set to 0 */
508 	};
509 };
510 /* types for kvm_s390_mem_op->op */
511 #define KVM_S390_MEMOP_LOGICAL_READ	0
512 #define KVM_S390_MEMOP_LOGICAL_WRITE	1
513 #define KVM_S390_MEMOP_SIDA_READ	2
514 #define KVM_S390_MEMOP_SIDA_WRITE	3
515 /* flags for kvm_s390_mem_op->flags */
516 #define KVM_S390_MEMOP_F_CHECK_ONLY		(1ULL << 0)
517 #define KVM_S390_MEMOP_F_INJECT_EXCEPTION	(1ULL << 1)
518 
519 /* for KVM_INTERRUPT */
520 struct kvm_interrupt {
521 	/* in */
522 	__u32 irq;
523 };
524 
525 /* for KVM_GET_DIRTY_LOG */
526 struct kvm_dirty_log {
527 	__u32 slot;
528 	__u32 padding1;
529 	union {
530 		void *dirty_bitmap; /* one bit per page */
531 		__u64 padding2;
532 	};
533 };
534 
535 /* for KVM_CLEAR_DIRTY_LOG */
536 struct kvm_clear_dirty_log {
537 	__u32 slot;
538 	__u32 num_pages;
539 	__u64 first_page;
540 	union {
541 		void *dirty_bitmap; /* one bit per page */
542 		__u64 padding2;
543 	};
544 };
545 
546 /* for KVM_SET_SIGNAL_MASK */
547 struct kvm_signal_mask {
548 	__u32 len;
549 	__u8  sigset[0];
550 };
551 
552 /* for KVM_TPR_ACCESS_REPORTING */
553 struct kvm_tpr_access_ctl {
554 	__u32 enabled;
555 	__u32 flags;
556 	__u32 reserved[8];
557 };
558 
559 /* for KVM_SET_VAPIC_ADDR */
560 struct kvm_vapic_addr {
561 	__u64 vapic_addr;
562 };
563 
564 /* for KVM_SET_MP_STATE */
565 
566 /* not all states are valid on all architectures */
567 #define KVM_MP_STATE_RUNNABLE          0
568 #define KVM_MP_STATE_UNINITIALIZED     1
569 #define KVM_MP_STATE_INIT_RECEIVED     2
570 #define KVM_MP_STATE_HALTED            3
571 #define KVM_MP_STATE_SIPI_RECEIVED     4
572 #define KVM_MP_STATE_STOPPED           5
573 #define KVM_MP_STATE_CHECK_STOP        6
574 #define KVM_MP_STATE_OPERATING         7
575 #define KVM_MP_STATE_LOAD              8
576 
577 struct kvm_mp_state {
578 	__u32 mp_state;
579 };
580 
581 struct kvm_s390_psw {
582 	__u64 mask;
583 	__u64 addr;
584 };
585 
586 /* valid values for type in kvm_s390_interrupt */
587 #define KVM_S390_SIGP_STOP		0xfffe0000u
588 #define KVM_S390_PROGRAM_INT		0xfffe0001u
589 #define KVM_S390_SIGP_SET_PREFIX	0xfffe0002u
590 #define KVM_S390_RESTART		0xfffe0003u
591 #define KVM_S390_INT_PFAULT_INIT	0xfffe0004u
592 #define KVM_S390_INT_PFAULT_DONE	0xfffe0005u
593 #define KVM_S390_MCHK			0xfffe1000u
594 #define KVM_S390_INT_CLOCK_COMP		0xffff1004u
595 #define KVM_S390_INT_CPU_TIMER		0xffff1005u
596 #define KVM_S390_INT_VIRTIO		0xffff2603u
597 #define KVM_S390_INT_SERVICE		0xffff2401u
598 #define KVM_S390_INT_EMERGENCY		0xffff1201u
599 #define KVM_S390_INT_EXTERNAL_CALL	0xffff1202u
600 /* Anything below 0xfffe0000u is taken by INT_IO */
601 #define KVM_S390_INT_IO(ai,cssid,ssid,schid)   \
602 	(((schid)) |			       \
603 	 ((ssid) << 16) |		       \
604 	 ((cssid) << 18) |		       \
605 	 ((ai) << 26))
606 #define KVM_S390_INT_IO_MIN		0x00000000u
607 #define KVM_S390_INT_IO_MAX		0xfffdffffu
608 #define KVM_S390_INT_IO_AI_MASK		0x04000000u
609 
610 
611 struct kvm_s390_interrupt {
612 	__u32 type;
613 	__u32 parm;
614 	__u64 parm64;
615 };
616 
617 struct kvm_s390_io_info {
618 	__u16 subchannel_id;
619 	__u16 subchannel_nr;
620 	__u32 io_int_parm;
621 	__u32 io_int_word;
622 };
623 
624 struct kvm_s390_ext_info {
625 	__u32 ext_params;
626 	__u32 pad;
627 	__u64 ext_params2;
628 };
629 
630 struct kvm_s390_pgm_info {
631 	__u64 trans_exc_code;
632 	__u64 mon_code;
633 	__u64 per_address;
634 	__u32 data_exc_code;
635 	__u16 code;
636 	__u16 mon_class_nr;
637 	__u8 per_code;
638 	__u8 per_atmid;
639 	__u8 exc_access_id;
640 	__u8 per_access_id;
641 	__u8 op_access_id;
642 #define KVM_S390_PGM_FLAGS_ILC_VALID	0x01
643 #define KVM_S390_PGM_FLAGS_ILC_0	0x02
644 #define KVM_S390_PGM_FLAGS_ILC_1	0x04
645 #define KVM_S390_PGM_FLAGS_ILC_MASK	0x06
646 #define KVM_S390_PGM_FLAGS_NO_REWIND	0x08
647 	__u8 flags;
648 	__u8 pad[2];
649 };
650 
651 struct kvm_s390_prefix_info {
652 	__u32 address;
653 };
654 
655 struct kvm_s390_extcall_info {
656 	__u16 code;
657 };
658 
659 struct kvm_s390_emerg_info {
660 	__u16 code;
661 };
662 
663 #define KVM_S390_STOP_FLAG_STORE_STATUS	0x01
664 struct kvm_s390_stop_info {
665 	__u32 flags;
666 };
667 
668 struct kvm_s390_mchk_info {
669 	__u64 cr14;
670 	__u64 mcic;
671 	__u64 failing_storage_address;
672 	__u32 ext_damage_code;
673 	__u32 pad;
674 	__u8 fixed_logout[16];
675 };
676 
677 struct kvm_s390_irq {
678 	__u64 type;
679 	union {
680 		struct kvm_s390_io_info io;
681 		struct kvm_s390_ext_info ext;
682 		struct kvm_s390_pgm_info pgm;
683 		struct kvm_s390_emerg_info emerg;
684 		struct kvm_s390_extcall_info extcall;
685 		struct kvm_s390_prefix_info prefix;
686 		struct kvm_s390_stop_info stop;
687 		struct kvm_s390_mchk_info mchk;
688 		char reserved[64];
689 	} u;
690 };
691 
692 struct kvm_s390_irq_state {
693 	__u64 buf;
694 	__u32 flags;        /* will stay unused for compatibility reasons */
695 	__u32 len;
696 	__u32 reserved[4];  /* will stay unused for compatibility reasons */
697 };
698 
699 /* for KVM_SET_GUEST_DEBUG */
700 
701 #define KVM_GUESTDBG_ENABLE		0x00000001
702 #define KVM_GUESTDBG_SINGLESTEP		0x00000002
703 
704 struct kvm_guest_debug {
705 	__u32 control;
706 	__u32 pad;
707 	struct kvm_guest_debug_arch arch;
708 };
709 
710 enum {
711 	kvm_ioeventfd_flag_nr_datamatch,
712 	kvm_ioeventfd_flag_nr_pio,
713 	kvm_ioeventfd_flag_nr_deassign,
714 	kvm_ioeventfd_flag_nr_virtio_ccw_notify,
715 	kvm_ioeventfd_flag_nr_fast_mmio,
716 	kvm_ioeventfd_flag_nr_max,
717 };
718 
719 #define KVM_IOEVENTFD_FLAG_DATAMATCH (1 << kvm_ioeventfd_flag_nr_datamatch)
720 #define KVM_IOEVENTFD_FLAG_PIO       (1 << kvm_ioeventfd_flag_nr_pio)
721 #define KVM_IOEVENTFD_FLAG_DEASSIGN  (1 << kvm_ioeventfd_flag_nr_deassign)
722 #define KVM_IOEVENTFD_FLAG_VIRTIO_CCW_NOTIFY \
723 	(1 << kvm_ioeventfd_flag_nr_virtio_ccw_notify)
724 
725 #define KVM_IOEVENTFD_VALID_FLAG_MASK  ((1 << kvm_ioeventfd_flag_nr_max) - 1)
726 
727 struct kvm_ioeventfd {
728 	__u64 datamatch;
729 	__u64 addr;        /* legal pio/mmio address */
730 	__u32 len;         /* 1, 2, 4, or 8 bytes; or 0 to ignore length */
731 	__s32 fd;
732 	__u32 flags;
733 	__u8  pad[36];
734 };
735 
736 #define KVM_X86_DISABLE_EXITS_MWAIT          (1 << 0)
737 #define KVM_X86_DISABLE_EXITS_HLT            (1 << 1)
738 #define KVM_X86_DISABLE_EXITS_PAUSE          (1 << 2)
739 #define KVM_X86_DISABLE_EXITS_CSTATE         (1 << 3)
740 #define KVM_X86_DISABLE_VALID_EXITS          (KVM_X86_DISABLE_EXITS_MWAIT | \
741                                               KVM_X86_DISABLE_EXITS_HLT | \
742                                               KVM_X86_DISABLE_EXITS_PAUSE | \
743                                               KVM_X86_DISABLE_EXITS_CSTATE)
744 
745 /* for KVM_ENABLE_CAP */
746 struct kvm_enable_cap {
747 	/* in */
748 	__u32 cap;
749 	__u32 flags;
750 	__u64 args[4];
751 	__u8  pad[64];
752 };
753 
754 /* for KVM_PPC_GET_PVINFO */
755 
756 #define KVM_PPC_PVINFO_FLAGS_EV_IDLE   (1<<0)
757 
758 struct kvm_ppc_pvinfo {
759 	/* out */
760 	__u32 flags;
761 	__u32 hcall[4];
762 	__u8  pad[108];
763 };
764 
765 /* for KVM_PPC_GET_SMMU_INFO */
766 #define KVM_PPC_PAGE_SIZES_MAX_SZ	8
767 
768 struct kvm_ppc_one_page_size {
769 	__u32 page_shift;	/* Page shift (or 0) */
770 	__u32 pte_enc;		/* Encoding in the HPTE (>>12) */
771 };
772 
773 struct kvm_ppc_one_seg_page_size {
774 	__u32 page_shift;	/* Base page shift of segment (or 0) */
775 	__u32 slb_enc;		/* SLB encoding for BookS */
776 	struct kvm_ppc_one_page_size enc[KVM_PPC_PAGE_SIZES_MAX_SZ];
777 };
778 
779 #define KVM_PPC_PAGE_SIZES_REAL		0x00000001
780 #define KVM_PPC_1T_SEGMENTS		0x00000002
781 #define KVM_PPC_NO_HASH			0x00000004
782 
783 struct kvm_ppc_smmu_info {
784 	__u64 flags;
785 	__u32 slb_size;
786 	__u16 data_keys;	/* # storage keys supported for data */
787 	__u16 instr_keys;	/* # storage keys supported for instructions */
788 	struct kvm_ppc_one_seg_page_size sps[KVM_PPC_PAGE_SIZES_MAX_SZ];
789 };
790 
791 /* for KVM_PPC_RESIZE_HPT_{PREPARE,COMMIT} */
792 struct kvm_ppc_resize_hpt {
793 	__u64 flags;
794 	__u32 shift;
795 	__u32 pad;
796 };
797 
798 #define KVMIO 0xAE
799 
800 /* machine type bits, to be used as argument to KVM_CREATE_VM */
801 #define KVM_VM_S390_UCONTROL	1
802 
803 /* on ppc, 0 indicate default, 1 should force HV and 2 PR */
804 #define KVM_VM_PPC_HV 1
805 #define KVM_VM_PPC_PR 2
806 
807 /* on MIPS, 0 indicates auto, 1 forces VZ ASE, 2 forces trap & emulate */
808 #define KVM_VM_MIPS_AUTO	0
809 #define KVM_VM_MIPS_VZ		1
810 #define KVM_VM_MIPS_TE		2
811 
812 #define KVM_S390_SIE_PAGE_OFFSET 1
813 
814 /*
815  * On arm64, machine type can be used to request the physical
816  * address size for the VM. Bits[7-0] are reserved for the guest
817  * PA size shift (i.e, log2(PA_Size)). For backward compatibility,
818  * value 0 implies the default IPA size, 40bits.
819  */
820 #define KVM_VM_TYPE_ARM_IPA_SIZE_MASK	0xffULL
821 #define KVM_VM_TYPE_ARM_IPA_SIZE(x)		\
822 	((x) & KVM_VM_TYPE_ARM_IPA_SIZE_MASK)
823 /*
824  * ioctls for /dev/kvm fds:
825  */
826 #define KVM_GET_API_VERSION       _IO(KVMIO,   0x00)
827 #define KVM_CREATE_VM             _IO(KVMIO,   0x01) /* returns a VM fd */
828 #define KVM_GET_MSR_INDEX_LIST    _IOWR(KVMIO, 0x02, struct kvm_msr_list)
829 
830 #define KVM_S390_ENABLE_SIE       _IO(KVMIO,   0x06)
831 /*
832  * Check if a kvm extension is available.  Argument is extension number,
833  * return is 1 (yes) or 0 (no, sorry).
834  */
835 #define KVM_CHECK_EXTENSION       _IO(KVMIO,   0x03)
836 /*
837  * Get size for mmap(vcpu_fd)
838  */
839 #define KVM_GET_VCPU_MMAP_SIZE    _IO(KVMIO,   0x04) /* in bytes */
840 #define KVM_GET_SUPPORTED_CPUID   _IOWR(KVMIO, 0x05, struct kvm_cpuid2)
841 #define KVM_TRACE_ENABLE          __KVM_DEPRECATED_MAIN_W_0x06
842 #define KVM_TRACE_PAUSE           __KVM_DEPRECATED_MAIN_0x07
843 #define KVM_TRACE_DISABLE         __KVM_DEPRECATED_MAIN_0x08
844 #define KVM_GET_EMULATED_CPUID	  _IOWR(KVMIO, 0x09, struct kvm_cpuid2)
845 #define KVM_GET_MSR_FEATURE_INDEX_LIST    _IOWR(KVMIO, 0x0a, struct kvm_msr_list)
846 
847 /*
848  * Extension capability list.
849  */
850 #define KVM_CAP_IRQCHIP	  0
851 #define KVM_CAP_HLT	  1
852 #define KVM_CAP_MMU_SHADOW_CACHE_CONTROL 2
853 #define KVM_CAP_USER_MEMORY 3
854 #define KVM_CAP_SET_TSS_ADDR 4
855 #define KVM_CAP_VAPIC 6
856 #define KVM_CAP_EXT_CPUID 7
857 #define KVM_CAP_CLOCKSOURCE 8
858 #define KVM_CAP_NR_VCPUS 9       /* returns recommended max vcpus per vm */
859 #define KVM_CAP_NR_MEMSLOTS 10   /* returns max memory slots per vm */
860 #define KVM_CAP_PIT 11
861 #define KVM_CAP_NOP_IO_DELAY 12
862 #define KVM_CAP_PV_MMU 13
863 #define KVM_CAP_MP_STATE 14
864 #define KVM_CAP_COALESCED_MMIO 15
865 #define KVM_CAP_SYNC_MMU 16  /* Changes to host mmap are reflected in guest */
866 #define KVM_CAP_IOMMU 18
867 /* Bug in KVM_SET_USER_MEMORY_REGION fixed: */
868 #define KVM_CAP_DESTROY_MEMORY_REGION_WORKS 21
869 #define KVM_CAP_USER_NMI 22
870 #ifdef __KVM_HAVE_GUEST_DEBUG
871 #define KVM_CAP_SET_GUEST_DEBUG 23
872 #endif
873 #ifdef __KVM_HAVE_PIT
874 #define KVM_CAP_REINJECT_CONTROL 24
875 #endif
876 #define KVM_CAP_IRQ_ROUTING 25
877 #define KVM_CAP_IRQ_INJECT_STATUS 26
878 #define KVM_CAP_ASSIGN_DEV_IRQ 29
879 /* Another bug in KVM_SET_USER_MEMORY_REGION fixed: */
880 #define KVM_CAP_JOIN_MEMORY_REGIONS_WORKS 30
881 #ifdef __KVM_HAVE_MCE
882 #define KVM_CAP_MCE 31
883 #endif
884 #define KVM_CAP_IRQFD 32
885 #ifdef __KVM_HAVE_PIT
886 #define KVM_CAP_PIT2 33
887 #endif
888 #define KVM_CAP_SET_BOOT_CPU_ID 34
889 #ifdef __KVM_HAVE_PIT_STATE2
890 #define KVM_CAP_PIT_STATE2 35
891 #endif
892 #define KVM_CAP_IOEVENTFD 36
893 #define KVM_CAP_SET_IDENTITY_MAP_ADDR 37
894 #ifdef __KVM_HAVE_XEN_HVM
895 #define KVM_CAP_XEN_HVM 38
896 #endif
897 #define KVM_CAP_ADJUST_CLOCK 39
898 #define KVM_CAP_INTERNAL_ERROR_DATA 40
899 #ifdef __KVM_HAVE_VCPU_EVENTS
900 #define KVM_CAP_VCPU_EVENTS 41
901 #endif
902 #define KVM_CAP_S390_PSW 42
903 #define KVM_CAP_PPC_SEGSTATE 43
904 #define KVM_CAP_HYPERV 44
905 #define KVM_CAP_HYPERV_VAPIC 45
906 #define KVM_CAP_HYPERV_SPIN 46
907 #define KVM_CAP_PCI_SEGMENT 47
908 #define KVM_CAP_PPC_PAIRED_SINGLES 48
909 #define KVM_CAP_INTR_SHADOW 49
910 #ifdef __KVM_HAVE_DEBUGREGS
911 #define KVM_CAP_DEBUGREGS 50
912 #endif
913 #define KVM_CAP_X86_ROBUST_SINGLESTEP 51
914 #define KVM_CAP_PPC_OSI 52
915 #define KVM_CAP_PPC_UNSET_IRQ 53
916 #define KVM_CAP_ENABLE_CAP 54
917 #ifdef __KVM_HAVE_XSAVE
918 #define KVM_CAP_XSAVE 55
919 #endif
920 #ifdef __KVM_HAVE_XCRS
921 #define KVM_CAP_XCRS 56
922 #endif
923 #define KVM_CAP_PPC_GET_PVINFO 57
924 #define KVM_CAP_PPC_IRQ_LEVEL 58
925 #define KVM_CAP_ASYNC_PF 59
926 #define KVM_CAP_TSC_CONTROL 60
927 #define KVM_CAP_GET_TSC_KHZ 61
928 #define KVM_CAP_PPC_BOOKE_SREGS 62
929 #define KVM_CAP_SPAPR_TCE 63
930 #define KVM_CAP_PPC_SMT 64
931 #define KVM_CAP_PPC_RMA	65
932 #define KVM_CAP_MAX_VCPUS 66       /* returns max vcpus per vm */
933 #define KVM_CAP_PPC_HIOR 67
934 #define KVM_CAP_PPC_PAPR 68
935 #define KVM_CAP_SW_TLB 69
936 #define KVM_CAP_ONE_REG 70
937 #define KVM_CAP_S390_GMAP 71
938 #define KVM_CAP_TSC_DEADLINE_TIMER 72
939 #define KVM_CAP_S390_UCONTROL 73
940 #define KVM_CAP_SYNC_REGS 74
941 #define KVM_CAP_PCI_2_3 75
942 #define KVM_CAP_KVMCLOCK_CTRL 76
943 #define KVM_CAP_SIGNAL_MSI 77
944 #define KVM_CAP_PPC_GET_SMMU_INFO 78
945 #define KVM_CAP_S390_COW 79
946 #define KVM_CAP_PPC_ALLOC_HTAB 80
947 #define KVM_CAP_READONLY_MEM 81
948 #define KVM_CAP_IRQFD_RESAMPLE 82
949 #define KVM_CAP_PPC_BOOKE_WATCHDOG 83
950 #define KVM_CAP_PPC_HTAB_FD 84
951 #define KVM_CAP_S390_CSS_SUPPORT 85
952 #define KVM_CAP_PPC_EPR 86
953 #define KVM_CAP_ARM_PSCI 87
954 #define KVM_CAP_ARM_SET_DEVICE_ADDR 88
955 #define KVM_CAP_DEVICE_CTRL 89
956 #define KVM_CAP_IRQ_MPIC 90
957 #define KVM_CAP_PPC_RTAS 91
958 #define KVM_CAP_IRQ_XICS 92
959 #define KVM_CAP_ARM_EL1_32BIT 93
960 #define KVM_CAP_SPAPR_MULTITCE 94
961 #define KVM_CAP_EXT_EMUL_CPUID 95
962 #define KVM_CAP_HYPERV_TIME 96
963 #define KVM_CAP_IOAPIC_POLARITY_IGNORED 97
964 #define KVM_CAP_ENABLE_CAP_VM 98
965 #define KVM_CAP_S390_IRQCHIP 99
966 #define KVM_CAP_IOEVENTFD_NO_LENGTH 100
967 #define KVM_CAP_VM_ATTRIBUTES 101
968 #define KVM_CAP_ARM_PSCI_0_2 102
969 #define KVM_CAP_PPC_FIXUP_HCALL 103
970 #define KVM_CAP_PPC_ENABLE_HCALL 104
971 #define KVM_CAP_CHECK_EXTENSION_VM 105
972 #define KVM_CAP_S390_USER_SIGP 106
973 #define KVM_CAP_S390_VECTOR_REGISTERS 107
974 #define KVM_CAP_S390_MEM_OP 108
975 #define KVM_CAP_S390_USER_STSI 109
976 #define KVM_CAP_S390_SKEYS 110
977 #define KVM_CAP_MIPS_FPU 111
978 #define KVM_CAP_MIPS_MSA 112
979 #define KVM_CAP_S390_INJECT_IRQ 113
980 #define KVM_CAP_S390_IRQ_STATE 114
981 #define KVM_CAP_PPC_HWRNG 115
982 #define KVM_CAP_DISABLE_QUIRKS 116
983 #define KVM_CAP_X86_SMM 117
984 #define KVM_CAP_MULTI_ADDRESS_SPACE 118
985 #define KVM_CAP_GUEST_DEBUG_HW_BPS 119
986 #define KVM_CAP_GUEST_DEBUG_HW_WPS 120
987 #define KVM_CAP_SPLIT_IRQCHIP 121
988 #define KVM_CAP_IOEVENTFD_ANY_LENGTH 122
989 #define KVM_CAP_HYPERV_SYNIC 123
990 #define KVM_CAP_S390_RI 124
991 #define KVM_CAP_SPAPR_TCE_64 125
992 #define KVM_CAP_ARM_PMU_V3 126
993 #define KVM_CAP_VCPU_ATTRIBUTES 127
994 #define KVM_CAP_MAX_VCPU_ID 128
995 #define KVM_CAP_X2APIC_API 129
996 #define KVM_CAP_S390_USER_INSTR0 130
997 #define KVM_CAP_MSI_DEVID 131
998 #define KVM_CAP_PPC_HTM 132
999 #define KVM_CAP_SPAPR_RESIZE_HPT 133
1000 #define KVM_CAP_PPC_MMU_RADIX 134
1001 #define KVM_CAP_PPC_MMU_HASH_V3 135
1002 #define KVM_CAP_IMMEDIATE_EXIT 136
1003 #define KVM_CAP_MIPS_VZ 137
1004 #define KVM_CAP_MIPS_TE 138
1005 #define KVM_CAP_MIPS_64BIT 139
1006 #define KVM_CAP_S390_GS 140
1007 #define KVM_CAP_S390_AIS 141
1008 #define KVM_CAP_SPAPR_TCE_VFIO 142
1009 #define KVM_CAP_X86_DISABLE_EXITS 143
1010 #define KVM_CAP_ARM_USER_IRQ 144
1011 #define KVM_CAP_S390_CMMA_MIGRATION 145
1012 #define KVM_CAP_PPC_FWNMI 146
1013 #define KVM_CAP_PPC_SMT_POSSIBLE 147
1014 #define KVM_CAP_HYPERV_SYNIC2 148
1015 #define KVM_CAP_HYPERV_VP_INDEX 149
1016 #define KVM_CAP_S390_AIS_MIGRATION 150
1017 #define KVM_CAP_PPC_GET_CPU_CHAR 151
1018 #define KVM_CAP_S390_BPB 152
1019 #define KVM_CAP_GET_MSR_FEATURES 153
1020 #define KVM_CAP_HYPERV_EVENTFD 154
1021 #define KVM_CAP_HYPERV_TLBFLUSH 155
1022 #define KVM_CAP_S390_HPAGE_1M 156
1023 #define KVM_CAP_NESTED_STATE 157
1024 #define KVM_CAP_ARM_INJECT_SERROR_ESR 158
1025 #define KVM_CAP_MSR_PLATFORM_INFO 159
1026 #define KVM_CAP_PPC_NESTED_HV 160
1027 #define KVM_CAP_HYPERV_SEND_IPI 161
1028 #define KVM_CAP_COALESCED_PIO 162
1029 #define KVM_CAP_HYPERV_ENLIGHTENED_VMCS 163
1030 #define KVM_CAP_EXCEPTION_PAYLOAD 164
1031 #define KVM_CAP_ARM_VM_IPA_SIZE 165
1032 #define KVM_CAP_MANUAL_DIRTY_LOG_PROTECT 166 /* Obsolete */
1033 #define KVM_CAP_HYPERV_CPUID 167
1034 #define KVM_CAP_MANUAL_DIRTY_LOG_PROTECT2 168
1035 #define KVM_CAP_PPC_IRQ_XIVE 169
1036 #define KVM_CAP_ARM_SVE 170
1037 #define KVM_CAP_ARM_PTRAUTH_ADDRESS 171
1038 #define KVM_CAP_ARM_PTRAUTH_GENERIC 172
1039 #define KVM_CAP_PMU_EVENT_FILTER 173
1040 #define KVM_CAP_ARM_IRQ_LINE_LAYOUT_2 174
1041 #define KVM_CAP_HYPERV_DIRECT_TLBFLUSH 175
1042 #define KVM_CAP_PPC_GUEST_DEBUG_SSTEP 176
1043 #define KVM_CAP_ARM_NISV_TO_USER 177
1044 #define KVM_CAP_ARM_INJECT_EXT_DABT 178
1045 #define KVM_CAP_S390_VCPU_RESETS 179
1046 #define KVM_CAP_S390_PROTECTED 180
1047 #define KVM_CAP_PPC_SECURE_GUEST 181
1048 #define KVM_CAP_HALT_POLL 182
1049 #define KVM_CAP_ASYNC_PF_INT 183
1050 #define KVM_CAP_LAST_CPU 184
1051 #define KVM_CAP_SMALLER_MAXPHYADDR 185
1052 #define KVM_CAP_S390_DIAG318 186
1053 #define KVM_CAP_STEAL_TIME 187
1054 #define KVM_CAP_X86_USER_SPACE_MSR 188
1055 #define KVM_CAP_X86_MSR_FILTER 189
1056 #define KVM_CAP_ENFORCE_PV_FEATURE_CPUID 190
1057 #define KVM_CAP_SYS_HYPERV_CPUID 191
1058 #define KVM_CAP_DIRTY_LOG_RING 192
1059 
1060 #ifdef KVM_CAP_IRQ_ROUTING
1061 
1062 struct kvm_irq_routing_irqchip {
1063 	__u32 irqchip;
1064 	__u32 pin;
1065 };
1066 
1067 struct kvm_irq_routing_msi {
1068 	__u32 address_lo;
1069 	__u32 address_hi;
1070 	__u32 data;
1071 	union {
1072 		__u32 pad;
1073 		__u32 devid;
1074 	};
1075 };
1076 
1077 struct kvm_irq_routing_s390_adapter {
1078 	__u64 ind_addr;
1079 	__u64 summary_addr;
1080 	__u64 ind_offset;
1081 	__u32 summary_offset;
1082 	__u32 adapter_id;
1083 };
1084 
1085 struct kvm_irq_routing_hv_sint {
1086 	__u32 vcpu;
1087 	__u32 sint;
1088 };
1089 
1090 /* gsi routing entry types */
1091 #define KVM_IRQ_ROUTING_IRQCHIP 1
1092 #define KVM_IRQ_ROUTING_MSI 2
1093 #define KVM_IRQ_ROUTING_S390_ADAPTER 3
1094 #define KVM_IRQ_ROUTING_HV_SINT 4
1095 
1096 struct kvm_irq_routing_entry {
1097 	__u32 gsi;
1098 	__u32 type;
1099 	__u32 flags;
1100 	__u32 pad;
1101 	union {
1102 		struct kvm_irq_routing_irqchip irqchip;
1103 		struct kvm_irq_routing_msi msi;
1104 		struct kvm_irq_routing_s390_adapter adapter;
1105 		struct kvm_irq_routing_hv_sint hv_sint;
1106 		__u32 pad[8];
1107 	} u;
1108 };
1109 
1110 struct kvm_irq_routing {
1111 	__u32 nr;
1112 	__u32 flags;
1113 	struct kvm_irq_routing_entry entries[0];
1114 };
1115 
1116 #endif
1117 
1118 #ifdef KVM_CAP_MCE
1119 /* x86 MCE */
1120 struct kvm_x86_mce {
1121 	__u64 status;
1122 	__u64 addr;
1123 	__u64 misc;
1124 	__u64 mcg_status;
1125 	__u8 bank;
1126 	__u8 pad1[7];
1127 	__u64 pad2[3];
1128 };
1129 #endif
1130 
1131 #ifdef KVM_CAP_XEN_HVM
1132 struct kvm_xen_hvm_config {
1133 	__u32 flags;
1134 	__u32 msr;
1135 	__u64 blob_addr_32;
1136 	__u64 blob_addr_64;
1137 	__u8 blob_size_32;
1138 	__u8 blob_size_64;
1139 	__u8 pad2[30];
1140 };
1141 #endif
1142 
1143 #define KVM_IRQFD_FLAG_DEASSIGN (1 << 0)
1144 /*
1145  * Available with KVM_CAP_IRQFD_RESAMPLE
1146  *
1147  * KVM_IRQFD_FLAG_RESAMPLE indicates resamplefd is valid and specifies
1148  * the irqfd to operate in resampling mode for level triggered interrupt
1149  * emulation.  See Documentation/virt/kvm/api.rst.
1150  */
1151 #define KVM_IRQFD_FLAG_RESAMPLE (1 << 1)
1152 
1153 struct kvm_irqfd {
1154 	__u32 fd;
1155 	__u32 gsi;
1156 	__u32 flags;
1157 	__u32 resamplefd;
1158 	__u8  pad[16];
1159 };
1160 
1161 /* For KVM_CAP_ADJUST_CLOCK */
1162 
1163 /* Do not use 1, KVM_CHECK_EXTENSION returned it before we had flags.  */
1164 #define KVM_CLOCK_TSC_STABLE		2
1165 
1166 struct kvm_clock_data {
1167 	__u64 clock;
1168 	__u32 flags;
1169 	__u32 pad[9];
1170 };
1171 
1172 /* For KVM_CAP_SW_TLB */
1173 
1174 #define KVM_MMU_FSL_BOOKE_NOHV		0
1175 #define KVM_MMU_FSL_BOOKE_HV		1
1176 
1177 struct kvm_config_tlb {
1178 	__u64 params;
1179 	__u64 array;
1180 	__u32 mmu_type;
1181 	__u32 array_len;
1182 };
1183 
1184 struct kvm_dirty_tlb {
1185 	__u64 bitmap;
1186 	__u32 num_dirty;
1187 };
1188 
1189 /* Available with KVM_CAP_ONE_REG */
1190 
1191 #define KVM_REG_ARCH_MASK	0xff00000000000000ULL
1192 #define KVM_REG_GENERIC		0x0000000000000000ULL
1193 
1194 /*
1195  * Architecture specific registers are to be defined in arch headers and
1196  * ORed with the arch identifier.
1197  */
1198 #define KVM_REG_PPC		0x1000000000000000ULL
1199 #define KVM_REG_X86		0x2000000000000000ULL
1200 #define KVM_REG_IA64		0x3000000000000000ULL
1201 #define KVM_REG_ARM		0x4000000000000000ULL
1202 #define KVM_REG_S390		0x5000000000000000ULL
1203 #define KVM_REG_ARM64		0x6000000000000000ULL
1204 #define KVM_REG_MIPS		0x7000000000000000ULL
1205 #define KVM_REG_RISCV		0x8000000000000000ULL
1206 
1207 #define KVM_REG_SIZE_SHIFT	52
1208 #define KVM_REG_SIZE_MASK	0x00f0000000000000ULL
1209 #define KVM_REG_SIZE_U8		0x0000000000000000ULL
1210 #define KVM_REG_SIZE_U16	0x0010000000000000ULL
1211 #define KVM_REG_SIZE_U32	0x0020000000000000ULL
1212 #define KVM_REG_SIZE_U64	0x0030000000000000ULL
1213 #define KVM_REG_SIZE_U128	0x0040000000000000ULL
1214 #define KVM_REG_SIZE_U256	0x0050000000000000ULL
1215 #define KVM_REG_SIZE_U512	0x0060000000000000ULL
1216 #define KVM_REG_SIZE_U1024	0x0070000000000000ULL
1217 #define KVM_REG_SIZE_U2048	0x0080000000000000ULL
1218 
1219 struct kvm_reg_list {
1220 	__u64 n; /* number of regs */
1221 	__u64 reg[0];
1222 };
1223 
1224 struct kvm_one_reg {
1225 	__u64 id;
1226 	__u64 addr;
1227 };
1228 
1229 #define KVM_MSI_VALID_DEVID	(1U << 0)
1230 struct kvm_msi {
1231 	__u32 address_lo;
1232 	__u32 address_hi;
1233 	__u32 data;
1234 	__u32 flags;
1235 	__u32 devid;
1236 	__u8  pad[12];
1237 };
1238 
1239 struct kvm_arm_device_addr {
1240 	__u64 id;
1241 	__u64 addr;
1242 };
1243 
1244 /*
1245  * Device control API, available with KVM_CAP_DEVICE_CTRL
1246  */
1247 #define KVM_CREATE_DEVICE_TEST		1
1248 
1249 struct kvm_create_device {
1250 	__u32	type;	/* in: KVM_DEV_TYPE_xxx */
1251 	__u32	fd;	/* out: device handle */
1252 	__u32	flags;	/* in: KVM_CREATE_DEVICE_xxx */
1253 };
1254 
1255 struct kvm_device_attr {
1256 	__u32	flags;		/* no flags currently defined */
1257 	__u32	group;		/* device-defined */
1258 	__u64	attr;		/* group-defined */
1259 	__u64	addr;		/* userspace address of attr data */
1260 };
1261 
1262 #define  KVM_DEV_VFIO_GROUP			1
1263 #define   KVM_DEV_VFIO_GROUP_ADD			1
1264 #define   KVM_DEV_VFIO_GROUP_DEL			2
1265 #define   KVM_DEV_VFIO_GROUP_SET_SPAPR_TCE		3
1266 
1267 enum kvm_device_type {
1268 	KVM_DEV_TYPE_FSL_MPIC_20	= 1,
1269 #define KVM_DEV_TYPE_FSL_MPIC_20	KVM_DEV_TYPE_FSL_MPIC_20
1270 	KVM_DEV_TYPE_FSL_MPIC_42,
1271 #define KVM_DEV_TYPE_FSL_MPIC_42	KVM_DEV_TYPE_FSL_MPIC_42
1272 	KVM_DEV_TYPE_XICS,
1273 #define KVM_DEV_TYPE_XICS		KVM_DEV_TYPE_XICS
1274 	KVM_DEV_TYPE_VFIO,
1275 #define KVM_DEV_TYPE_VFIO		KVM_DEV_TYPE_VFIO
1276 	KVM_DEV_TYPE_ARM_VGIC_V2,
1277 #define KVM_DEV_TYPE_ARM_VGIC_V2	KVM_DEV_TYPE_ARM_VGIC_V2
1278 	KVM_DEV_TYPE_FLIC,
1279 #define KVM_DEV_TYPE_FLIC		KVM_DEV_TYPE_FLIC
1280 	KVM_DEV_TYPE_ARM_VGIC_V3,
1281 #define KVM_DEV_TYPE_ARM_VGIC_V3	KVM_DEV_TYPE_ARM_VGIC_V3
1282 	KVM_DEV_TYPE_ARM_VGIC_ITS,
1283 #define KVM_DEV_TYPE_ARM_VGIC_ITS	KVM_DEV_TYPE_ARM_VGIC_ITS
1284 	KVM_DEV_TYPE_XIVE,
1285 #define KVM_DEV_TYPE_XIVE		KVM_DEV_TYPE_XIVE
1286 	KVM_DEV_TYPE_ARM_PV_TIME,
1287 #define KVM_DEV_TYPE_ARM_PV_TIME	KVM_DEV_TYPE_ARM_PV_TIME
1288 	KVM_DEV_TYPE_MAX,
1289 };
1290 
1291 struct kvm_vfio_spapr_tce {
1292 	__s32	groupfd;
1293 	__s32	tablefd;
1294 };
1295 
1296 /*
1297  * ioctls for VM fds
1298  */
1299 #define KVM_SET_MEMORY_REGION     _IOW(KVMIO,  0x40, struct kvm_memory_region)
1300 /*
1301  * KVM_CREATE_VCPU receives as a parameter the vcpu slot, and returns
1302  * a vcpu fd.
1303  */
1304 #define KVM_CREATE_VCPU           _IO(KVMIO,   0x41)
1305 #define KVM_GET_DIRTY_LOG         _IOW(KVMIO,  0x42, struct kvm_dirty_log)
1306 /* KVM_SET_MEMORY_ALIAS is obsolete: */
1307 #define KVM_SET_MEMORY_ALIAS      _IOW(KVMIO,  0x43, struct kvm_memory_alias)
1308 #define KVM_SET_NR_MMU_PAGES      _IO(KVMIO,   0x44)
1309 #define KVM_GET_NR_MMU_PAGES      _IO(KVMIO,   0x45)
1310 #define KVM_SET_USER_MEMORY_REGION _IOW(KVMIO, 0x46, \
1311 					struct kvm_userspace_memory_region)
1312 #define KVM_SET_TSS_ADDR          _IO(KVMIO,   0x47)
1313 #define KVM_SET_IDENTITY_MAP_ADDR _IOW(KVMIO,  0x48, __u64)
1314 
1315 /* enable ucontrol for s390 */
1316 struct kvm_s390_ucas_mapping {
1317 	__u64 user_addr;
1318 	__u64 vcpu_addr;
1319 	__u64 length;
1320 };
1321 #define KVM_S390_UCAS_MAP        _IOW(KVMIO, 0x50, struct kvm_s390_ucas_mapping)
1322 #define KVM_S390_UCAS_UNMAP      _IOW(KVMIO, 0x51, struct kvm_s390_ucas_mapping)
1323 #define KVM_S390_VCPU_FAULT	 _IOW(KVMIO, 0x52, unsigned long)
1324 
1325 /* Device model IOC */
1326 #define KVM_CREATE_IRQCHIP        _IO(KVMIO,   0x60)
1327 #define KVM_IRQ_LINE              _IOW(KVMIO,  0x61, struct kvm_irq_level)
1328 #define KVM_GET_IRQCHIP           _IOWR(KVMIO, 0x62, struct kvm_irqchip)
1329 #define KVM_SET_IRQCHIP           _IOR(KVMIO,  0x63, struct kvm_irqchip)
1330 #define KVM_CREATE_PIT            _IO(KVMIO,   0x64)
1331 #define KVM_GET_PIT               _IOWR(KVMIO, 0x65, struct kvm_pit_state)
1332 #define KVM_SET_PIT               _IOR(KVMIO,  0x66, struct kvm_pit_state)
1333 #define KVM_IRQ_LINE_STATUS       _IOWR(KVMIO, 0x67, struct kvm_irq_level)
1334 #define KVM_REGISTER_COALESCED_MMIO \
1335 			_IOW(KVMIO,  0x67, struct kvm_coalesced_mmio_zone)
1336 #define KVM_UNREGISTER_COALESCED_MMIO \
1337 			_IOW(KVMIO,  0x68, struct kvm_coalesced_mmio_zone)
1338 #define KVM_ASSIGN_PCI_DEVICE     _IOR(KVMIO,  0x69, \
1339 				       struct kvm_assigned_pci_dev)
1340 #define KVM_SET_GSI_ROUTING       _IOW(KVMIO,  0x6a, struct kvm_irq_routing)
1341 /* deprecated, replaced by KVM_ASSIGN_DEV_IRQ */
1342 #define KVM_ASSIGN_IRQ            __KVM_DEPRECATED_VM_R_0x70
1343 #define KVM_ASSIGN_DEV_IRQ        _IOW(KVMIO,  0x70, struct kvm_assigned_irq)
1344 #define KVM_REINJECT_CONTROL      _IO(KVMIO,   0x71)
1345 #define KVM_DEASSIGN_PCI_DEVICE   _IOW(KVMIO,  0x72, \
1346 				       struct kvm_assigned_pci_dev)
1347 #define KVM_ASSIGN_SET_MSIX_NR    _IOW(KVMIO,  0x73, \
1348 				       struct kvm_assigned_msix_nr)
1349 #define KVM_ASSIGN_SET_MSIX_ENTRY _IOW(KVMIO,  0x74, \
1350 				       struct kvm_assigned_msix_entry)
1351 #define KVM_DEASSIGN_DEV_IRQ      _IOW(KVMIO,  0x75, struct kvm_assigned_irq)
1352 #define KVM_IRQFD                 _IOW(KVMIO,  0x76, struct kvm_irqfd)
1353 #define KVM_CREATE_PIT2		  _IOW(KVMIO,  0x77, struct kvm_pit_config)
1354 #define KVM_SET_BOOT_CPU_ID       _IO(KVMIO,   0x78)
1355 #define KVM_IOEVENTFD             _IOW(KVMIO,  0x79, struct kvm_ioeventfd)
1356 #define KVM_XEN_HVM_CONFIG        _IOW(KVMIO,  0x7a, struct kvm_xen_hvm_config)
1357 #define KVM_SET_CLOCK             _IOW(KVMIO,  0x7b, struct kvm_clock_data)
1358 #define KVM_GET_CLOCK             _IOR(KVMIO,  0x7c, struct kvm_clock_data)
1359 /* Available with KVM_CAP_PIT_STATE2 */
1360 #define KVM_GET_PIT2              _IOR(KVMIO,  0x9f, struct kvm_pit_state2)
1361 #define KVM_SET_PIT2              _IOW(KVMIO,  0xa0, struct kvm_pit_state2)
1362 /* Available with KVM_CAP_PPC_GET_PVINFO */
1363 #define KVM_PPC_GET_PVINFO	  _IOW(KVMIO,  0xa1, struct kvm_ppc_pvinfo)
1364 /* Available with KVM_CAP_TSC_CONTROL */
1365 #define KVM_SET_TSC_KHZ           _IO(KVMIO,  0xa2)
1366 #define KVM_GET_TSC_KHZ           _IO(KVMIO,  0xa3)
1367 /* Available with KVM_CAP_PCI_2_3 */
1368 #define KVM_ASSIGN_SET_INTX_MASK  _IOW(KVMIO,  0xa4, \
1369 				       struct kvm_assigned_pci_dev)
1370 /* Available with KVM_CAP_SIGNAL_MSI */
1371 #define KVM_SIGNAL_MSI            _IOW(KVMIO,  0xa5, struct kvm_msi)
1372 /* Available with KVM_CAP_PPC_GET_SMMU_INFO */
1373 #define KVM_PPC_GET_SMMU_INFO	  _IOR(KVMIO,  0xa6, struct kvm_ppc_smmu_info)
1374 /* Available with KVM_CAP_PPC_ALLOC_HTAB */
1375 #define KVM_PPC_ALLOCATE_HTAB	  _IOWR(KVMIO, 0xa7, __u32)
1376 #define KVM_CREATE_SPAPR_TCE	  _IOW(KVMIO,  0xa8, struct kvm_create_spapr_tce)
1377 #define KVM_CREATE_SPAPR_TCE_64	  _IOW(KVMIO,  0xa8, \
1378 				       struct kvm_create_spapr_tce_64)
1379 /* Available with KVM_CAP_RMA */
1380 #define KVM_ALLOCATE_RMA	  _IOR(KVMIO,  0xa9, struct kvm_allocate_rma)
1381 /* Available with KVM_CAP_PPC_HTAB_FD */
1382 #define KVM_PPC_GET_HTAB_FD	  _IOW(KVMIO,  0xaa, struct kvm_get_htab_fd)
1383 /* Available with KVM_CAP_ARM_SET_DEVICE_ADDR */
1384 #define KVM_ARM_SET_DEVICE_ADDR	  _IOW(KVMIO,  0xab, struct kvm_arm_device_addr)
1385 /* Available with KVM_CAP_PPC_RTAS */
1386 #define KVM_PPC_RTAS_DEFINE_TOKEN _IOW(KVMIO,  0xac, struct kvm_rtas_token_args)
1387 /* Available with KVM_CAP_SPAPR_RESIZE_HPT */
1388 #define KVM_PPC_RESIZE_HPT_PREPARE _IOR(KVMIO, 0xad, struct kvm_ppc_resize_hpt)
1389 #define KVM_PPC_RESIZE_HPT_COMMIT  _IOR(KVMIO, 0xae, struct kvm_ppc_resize_hpt)
1390 /* Available with KVM_CAP_PPC_RADIX_MMU or KVM_CAP_PPC_HASH_MMU_V3 */
1391 #define KVM_PPC_CONFIGURE_V3_MMU  _IOW(KVMIO,  0xaf, struct kvm_ppc_mmuv3_cfg)
1392 /* Available with KVM_CAP_PPC_RADIX_MMU */
1393 #define KVM_PPC_GET_RMMU_INFO	  _IOW(KVMIO,  0xb0, struct kvm_ppc_rmmu_info)
1394 /* Available with KVM_CAP_PPC_GET_CPU_CHAR */
1395 #define KVM_PPC_GET_CPU_CHAR	  _IOR(KVMIO,  0xb1, struct kvm_ppc_cpu_char)
1396 /* Available with KVM_CAP_PMU_EVENT_FILTER */
1397 #define KVM_SET_PMU_EVENT_FILTER  _IOW(KVMIO,  0xb2, struct kvm_pmu_event_filter)
1398 #define KVM_PPC_SVM_OFF		  _IO(KVMIO,  0xb3)
1399 
1400 /* ioctl for vm fd */
1401 #define KVM_CREATE_DEVICE	  _IOWR(KVMIO,  0xe0, struct kvm_create_device)
1402 
1403 /* ioctls for fds returned by KVM_CREATE_DEVICE */
1404 #define KVM_SET_DEVICE_ATTR	  _IOW(KVMIO,  0xe1, struct kvm_device_attr)
1405 #define KVM_GET_DEVICE_ATTR	  _IOW(KVMIO,  0xe2, struct kvm_device_attr)
1406 #define KVM_HAS_DEVICE_ATTR	  _IOW(KVMIO,  0xe3, struct kvm_device_attr)
1407 
1408 /*
1409  * ioctls for vcpu fds
1410  */
1411 #define KVM_RUN                   _IO(KVMIO,   0x80)
1412 #define KVM_GET_REGS              _IOR(KVMIO,  0x81, struct kvm_regs)
1413 #define KVM_SET_REGS              _IOW(KVMIO,  0x82, struct kvm_regs)
1414 #define KVM_GET_SREGS             _IOR(KVMIO,  0x83, struct kvm_sregs)
1415 #define KVM_SET_SREGS             _IOW(KVMIO,  0x84, struct kvm_sregs)
1416 #define KVM_TRANSLATE             _IOWR(KVMIO, 0x85, struct kvm_translation)
1417 #define KVM_INTERRUPT             _IOW(KVMIO,  0x86, struct kvm_interrupt)
1418 /* KVM_DEBUG_GUEST is no longer supported, use KVM_SET_GUEST_DEBUG instead */
1419 #define KVM_DEBUG_GUEST           __KVM_DEPRECATED_VCPU_W_0x87
1420 #define KVM_GET_MSRS              _IOWR(KVMIO, 0x88, struct kvm_msrs)
1421 #define KVM_SET_MSRS              _IOW(KVMIO,  0x89, struct kvm_msrs)
1422 #define KVM_SET_CPUID             _IOW(KVMIO,  0x8a, struct kvm_cpuid)
1423 #define KVM_SET_SIGNAL_MASK       _IOW(KVMIO,  0x8b, struct kvm_signal_mask)
1424 #define KVM_GET_FPU               _IOR(KVMIO,  0x8c, struct kvm_fpu)
1425 #define KVM_SET_FPU               _IOW(KVMIO,  0x8d, struct kvm_fpu)
1426 #define KVM_GET_LAPIC             _IOR(KVMIO,  0x8e, struct kvm_lapic_state)
1427 #define KVM_SET_LAPIC             _IOW(KVMIO,  0x8f, struct kvm_lapic_state)
1428 #define KVM_SET_CPUID2            _IOW(KVMIO,  0x90, struct kvm_cpuid2)
1429 #define KVM_GET_CPUID2            _IOWR(KVMIO, 0x91, struct kvm_cpuid2)
1430 /* Available with KVM_CAP_VAPIC */
1431 #define KVM_TPR_ACCESS_REPORTING  _IOWR(KVMIO, 0x92, struct kvm_tpr_access_ctl)
1432 /* Available with KVM_CAP_VAPIC */
1433 #define KVM_SET_VAPIC_ADDR        _IOW(KVMIO,  0x93, struct kvm_vapic_addr)
1434 /* valid for virtual machine (for floating interrupt)_and_ vcpu */
1435 #define KVM_S390_INTERRUPT        _IOW(KVMIO,  0x94, struct kvm_s390_interrupt)
1436 /* store status for s390 */
1437 #define KVM_S390_STORE_STATUS_NOADDR    (-1ul)
1438 #define KVM_S390_STORE_STATUS_PREFIXED  (-2ul)
1439 #define KVM_S390_STORE_STATUS	  _IOW(KVMIO,  0x95, unsigned long)
1440 /* initial ipl psw for s390 */
1441 #define KVM_S390_SET_INITIAL_PSW  _IOW(KVMIO,  0x96, struct kvm_s390_psw)
1442 /* initial reset for s390 */
1443 #define KVM_S390_INITIAL_RESET    _IO(KVMIO,   0x97)
1444 #define KVM_GET_MP_STATE          _IOR(KVMIO,  0x98, struct kvm_mp_state)
1445 #define KVM_SET_MP_STATE          _IOW(KVMIO,  0x99, struct kvm_mp_state)
1446 /* Available with KVM_CAP_USER_NMI */
1447 #define KVM_NMI                   _IO(KVMIO,   0x9a)
1448 /* Available with KVM_CAP_SET_GUEST_DEBUG */
1449 #define KVM_SET_GUEST_DEBUG       _IOW(KVMIO,  0x9b, struct kvm_guest_debug)
1450 /* MCE for x86 */
1451 #define KVM_X86_SETUP_MCE         _IOW(KVMIO,  0x9c, __u64)
1452 #define KVM_X86_GET_MCE_CAP_SUPPORTED _IOR(KVMIO,  0x9d, __u64)
1453 #define KVM_X86_SET_MCE           _IOW(KVMIO,  0x9e, struct kvm_x86_mce)
1454 /* Available with KVM_CAP_VCPU_EVENTS */
1455 #define KVM_GET_VCPU_EVENTS       _IOR(KVMIO,  0x9f, struct kvm_vcpu_events)
1456 #define KVM_SET_VCPU_EVENTS       _IOW(KVMIO,  0xa0, struct kvm_vcpu_events)
1457 /* Available with KVM_CAP_DEBUGREGS */
1458 #define KVM_GET_DEBUGREGS         _IOR(KVMIO,  0xa1, struct kvm_debugregs)
1459 #define KVM_SET_DEBUGREGS         _IOW(KVMIO,  0xa2, struct kvm_debugregs)
1460 /*
1461  * vcpu version available with KVM_ENABLE_CAP
1462  * vm version available with KVM_CAP_ENABLE_CAP_VM
1463  */
1464 #define KVM_ENABLE_CAP            _IOW(KVMIO,  0xa3, struct kvm_enable_cap)
1465 /* Available with KVM_CAP_XSAVE */
1466 #define KVM_GET_XSAVE		  _IOR(KVMIO,  0xa4, struct kvm_xsave)
1467 #define KVM_SET_XSAVE		  _IOW(KVMIO,  0xa5, struct kvm_xsave)
1468 /* Available with KVM_CAP_XCRS */
1469 #define KVM_GET_XCRS		  _IOR(KVMIO,  0xa6, struct kvm_xcrs)
1470 #define KVM_SET_XCRS		  _IOW(KVMIO,  0xa7, struct kvm_xcrs)
1471 /* Available with KVM_CAP_SW_TLB */
1472 #define KVM_DIRTY_TLB		  _IOW(KVMIO,  0xaa, struct kvm_dirty_tlb)
1473 /* Available with KVM_CAP_ONE_REG */
1474 #define KVM_GET_ONE_REG		  _IOW(KVMIO,  0xab, struct kvm_one_reg)
1475 #define KVM_SET_ONE_REG		  _IOW(KVMIO,  0xac, struct kvm_one_reg)
1476 /* VM is being stopped by host */
1477 #define KVM_KVMCLOCK_CTRL	  _IO(KVMIO,   0xad)
1478 #define KVM_ARM_VCPU_INIT	  _IOW(KVMIO,  0xae, struct kvm_vcpu_init)
1479 #define KVM_ARM_PREFERRED_TARGET  _IOR(KVMIO,  0xaf, struct kvm_vcpu_init)
1480 #define KVM_GET_REG_LIST	  _IOWR(KVMIO, 0xb0, struct kvm_reg_list)
1481 /* Available with KVM_CAP_S390_MEM_OP */
1482 #define KVM_S390_MEM_OP		  _IOW(KVMIO,  0xb1, struct kvm_s390_mem_op)
1483 /* Available with KVM_CAP_S390_SKEYS */
1484 #define KVM_S390_GET_SKEYS      _IOW(KVMIO, 0xb2, struct kvm_s390_skeys)
1485 #define KVM_S390_SET_SKEYS      _IOW(KVMIO, 0xb3, struct kvm_s390_skeys)
1486 /* Available with KVM_CAP_S390_INJECT_IRQ */
1487 #define KVM_S390_IRQ              _IOW(KVMIO,  0xb4, struct kvm_s390_irq)
1488 /* Available with KVM_CAP_S390_IRQ_STATE */
1489 #define KVM_S390_SET_IRQ_STATE	  _IOW(KVMIO, 0xb5, struct kvm_s390_irq_state)
1490 #define KVM_S390_GET_IRQ_STATE	  _IOW(KVMIO, 0xb6, struct kvm_s390_irq_state)
1491 /* Available with KVM_CAP_X86_SMM */
1492 #define KVM_SMI                   _IO(KVMIO,   0xb7)
1493 /* Available with KVM_CAP_S390_CMMA_MIGRATION */
1494 #define KVM_S390_GET_CMMA_BITS      _IOWR(KVMIO, 0xb8, struct kvm_s390_cmma_log)
1495 #define KVM_S390_SET_CMMA_BITS      _IOW(KVMIO, 0xb9, struct kvm_s390_cmma_log)
1496 /* Memory Encryption Commands */
1497 #define KVM_MEMORY_ENCRYPT_OP      _IOWR(KVMIO, 0xba, unsigned long)
1498 
1499 struct kvm_enc_region {
1500 	__u64 addr;
1501 	__u64 size;
1502 };
1503 
1504 #define KVM_MEMORY_ENCRYPT_REG_REGION    _IOR(KVMIO, 0xbb, struct kvm_enc_region)
1505 #define KVM_MEMORY_ENCRYPT_UNREG_REGION  _IOR(KVMIO, 0xbc, struct kvm_enc_region)
1506 
1507 /* Available with KVM_CAP_HYPERV_EVENTFD */
1508 #define KVM_HYPERV_EVENTFD        _IOW(KVMIO,  0xbd, struct kvm_hyperv_eventfd)
1509 
1510 /* Available with KVM_CAP_NESTED_STATE */
1511 #define KVM_GET_NESTED_STATE         _IOWR(KVMIO, 0xbe, struct kvm_nested_state)
1512 #define KVM_SET_NESTED_STATE         _IOW(KVMIO,  0xbf, struct kvm_nested_state)
1513 
1514 /* Available with KVM_CAP_MANUAL_DIRTY_LOG_PROTECT_2 */
1515 #define KVM_CLEAR_DIRTY_LOG          _IOWR(KVMIO, 0xc0, struct kvm_clear_dirty_log)
1516 
1517 /* Available with KVM_CAP_HYPERV_CPUID (vcpu) / KVM_CAP_SYS_HYPERV_CPUID (system) */
1518 #define KVM_GET_SUPPORTED_HV_CPUID _IOWR(KVMIO, 0xc1, struct kvm_cpuid2)
1519 
1520 /* Available with KVM_CAP_ARM_SVE */
1521 #define KVM_ARM_VCPU_FINALIZE	  _IOW(KVMIO,  0xc2, int)
1522 
1523 /* Available with  KVM_CAP_S390_VCPU_RESETS */
1524 #define KVM_S390_NORMAL_RESET	_IO(KVMIO,   0xc3)
1525 #define KVM_S390_CLEAR_RESET	_IO(KVMIO,   0xc4)
1526 
1527 struct kvm_s390_pv_sec_parm {
1528 	__u64 origin;
1529 	__u64 length;
1530 };
1531 
1532 struct kvm_s390_pv_unp {
1533 	__u64 addr;
1534 	__u64 size;
1535 	__u64 tweak;
1536 };
1537 
1538 enum pv_cmd_id {
1539 	KVM_PV_ENABLE,
1540 	KVM_PV_DISABLE,
1541 	KVM_PV_SET_SEC_PARMS,
1542 	KVM_PV_UNPACK,
1543 	KVM_PV_VERIFY,
1544 	KVM_PV_PREP_RESET,
1545 	KVM_PV_UNSHARE_ALL,
1546 };
1547 
1548 struct kvm_pv_cmd {
1549 	__u32 cmd;	/* Command to be executed */
1550 	__u16 rc;	/* Ultravisor return code */
1551 	__u16 rrc;	/* Ultravisor return reason code */
1552 	__u64 data;	/* Data or address */
1553 	__u32 flags;    /* flags for future extensions. Must be 0 for now */
1554 	__u32 reserved[3];
1555 };
1556 
1557 /* Available with KVM_CAP_S390_PROTECTED */
1558 #define KVM_S390_PV_COMMAND		_IOWR(KVMIO, 0xc5, struct kvm_pv_cmd)
1559 
1560 /* Available with KVM_CAP_X86_MSR_FILTER */
1561 #define KVM_X86_SET_MSR_FILTER	_IOW(KVMIO,  0xc6, struct kvm_msr_filter)
1562 
1563 /* Available with KVM_CAP_DIRTY_LOG_RING */
1564 #define KVM_RESET_DIRTY_RINGS		_IO(KVMIO, 0xc7)
1565 
1566 /* Secure Encrypted Virtualization command */
1567 enum sev_cmd_id {
1568 	/* Guest initialization commands */
1569 	KVM_SEV_INIT = 0,
1570 	KVM_SEV_ES_INIT,
1571 	/* Guest launch commands */
1572 	KVM_SEV_LAUNCH_START,
1573 	KVM_SEV_LAUNCH_UPDATE_DATA,
1574 	KVM_SEV_LAUNCH_UPDATE_VMSA,
1575 	KVM_SEV_LAUNCH_SECRET,
1576 	KVM_SEV_LAUNCH_MEASURE,
1577 	KVM_SEV_LAUNCH_FINISH,
1578 	/* Guest migration commands (outgoing) */
1579 	KVM_SEV_SEND_START,
1580 	KVM_SEV_SEND_UPDATE_DATA,
1581 	KVM_SEV_SEND_UPDATE_VMSA,
1582 	KVM_SEV_SEND_FINISH,
1583 	/* Guest migration commands (incoming) */
1584 	KVM_SEV_RECEIVE_START,
1585 	KVM_SEV_RECEIVE_UPDATE_DATA,
1586 	KVM_SEV_RECEIVE_UPDATE_VMSA,
1587 	KVM_SEV_RECEIVE_FINISH,
1588 	/* Guest status and debug commands */
1589 	KVM_SEV_GUEST_STATUS,
1590 	KVM_SEV_DBG_DECRYPT,
1591 	KVM_SEV_DBG_ENCRYPT,
1592 	/* Guest certificates commands */
1593 	KVM_SEV_CERT_EXPORT,
1594 
1595 	KVM_SEV_NR_MAX,
1596 };
1597 
1598 struct kvm_sev_cmd {
1599 	__u32 id;
1600 	__u64 data;
1601 	__u32 error;
1602 	__u32 sev_fd;
1603 };
1604 
1605 struct kvm_sev_launch_start {
1606 	__u32 handle;
1607 	__u32 policy;
1608 	__u64 dh_uaddr;
1609 	__u32 dh_len;
1610 	__u64 session_uaddr;
1611 	__u32 session_len;
1612 };
1613 
1614 struct kvm_sev_launch_update_data {
1615 	__u64 uaddr;
1616 	__u32 len;
1617 };
1618 
1619 
1620 struct kvm_sev_launch_secret {
1621 	__u64 hdr_uaddr;
1622 	__u32 hdr_len;
1623 	__u64 guest_uaddr;
1624 	__u32 guest_len;
1625 	__u64 trans_uaddr;
1626 	__u32 trans_len;
1627 };
1628 
1629 struct kvm_sev_launch_measure {
1630 	__u64 uaddr;
1631 	__u32 len;
1632 };
1633 
1634 struct kvm_sev_guest_status {
1635 	__u32 handle;
1636 	__u32 policy;
1637 	__u32 state;
1638 };
1639 
1640 struct kvm_sev_dbg {
1641 	__u64 src_uaddr;
1642 	__u64 dst_uaddr;
1643 	__u32 len;
1644 };
1645 
1646 #define KVM_DEV_ASSIGN_ENABLE_IOMMU	(1 << 0)
1647 #define KVM_DEV_ASSIGN_PCI_2_3		(1 << 1)
1648 #define KVM_DEV_ASSIGN_MASK_INTX	(1 << 2)
1649 
1650 struct kvm_assigned_pci_dev {
1651 	__u32 assigned_dev_id;
1652 	__u32 busnr;
1653 	__u32 devfn;
1654 	__u32 flags;
1655 	__u32 segnr;
1656 	union {
1657 		__u32 reserved[11];
1658 	};
1659 };
1660 
1661 #define KVM_DEV_IRQ_HOST_INTX    (1 << 0)
1662 #define KVM_DEV_IRQ_HOST_MSI     (1 << 1)
1663 #define KVM_DEV_IRQ_HOST_MSIX    (1 << 2)
1664 
1665 #define KVM_DEV_IRQ_GUEST_INTX   (1 << 8)
1666 #define KVM_DEV_IRQ_GUEST_MSI    (1 << 9)
1667 #define KVM_DEV_IRQ_GUEST_MSIX   (1 << 10)
1668 
1669 #define KVM_DEV_IRQ_HOST_MASK	 0x00ff
1670 #define KVM_DEV_IRQ_GUEST_MASK   0xff00
1671 
1672 struct kvm_assigned_irq {
1673 	__u32 assigned_dev_id;
1674 	__u32 host_irq; /* ignored (legacy field) */
1675 	__u32 guest_irq;
1676 	__u32 flags;
1677 	union {
1678 		__u32 reserved[12];
1679 	};
1680 };
1681 
1682 struct kvm_assigned_msix_nr {
1683 	__u32 assigned_dev_id;
1684 	__u16 entry_nr;
1685 	__u16 padding;
1686 };
1687 
1688 #define KVM_MAX_MSIX_PER_DEV		256
1689 struct kvm_assigned_msix_entry {
1690 	__u32 assigned_dev_id;
1691 	__u32 gsi;
1692 	__u16 entry; /* The index of entry in the MSI-X table */
1693 	__u16 padding[3];
1694 };
1695 
1696 #define KVM_X2APIC_API_USE_32BIT_IDS            (1ULL << 0)
1697 #define KVM_X2APIC_API_DISABLE_BROADCAST_QUIRK  (1ULL << 1)
1698 
1699 /* Available with KVM_CAP_ARM_USER_IRQ */
1700 
1701 /* Bits for run->s.regs.device_irq_level */
1702 #define KVM_ARM_DEV_EL1_VTIMER		(1 << 0)
1703 #define KVM_ARM_DEV_EL1_PTIMER		(1 << 1)
1704 #define KVM_ARM_DEV_PMU			(1 << 2)
1705 
1706 struct kvm_hyperv_eventfd {
1707 	__u32 conn_id;
1708 	__s32 fd;
1709 	__u32 flags;
1710 	__u32 padding[3];
1711 };
1712 
1713 #define KVM_HYPERV_CONN_ID_MASK		0x00ffffff
1714 #define KVM_HYPERV_EVENTFD_DEASSIGN	(1 << 0)
1715 
1716 #define KVM_DIRTY_LOG_MANUAL_PROTECT_ENABLE    (1 << 0)
1717 #define KVM_DIRTY_LOG_INITIALLY_SET            (1 << 1)
1718 
1719 /*
1720  * Arch needs to define the macro after implementing the dirty ring
1721  * feature.  KVM_DIRTY_LOG_PAGE_OFFSET should be defined as the
1722  * starting page offset of the dirty ring structures.
1723  */
1724 #ifndef KVM_DIRTY_LOG_PAGE_OFFSET
1725 #define KVM_DIRTY_LOG_PAGE_OFFSET 0
1726 #endif
1727 
1728 /*
1729  * KVM dirty GFN flags, defined as:
1730  *
1731  * |---------------+---------------+--------------|
1732  * | bit 1 (reset) | bit 0 (dirty) | Status       |
1733  * |---------------+---------------+--------------|
1734  * |             0 |             0 | Invalid GFN  |
1735  * |             0 |             1 | Dirty GFN    |
1736  * |             1 |             X | GFN to reset |
1737  * |---------------+---------------+--------------|
1738  *
1739  * Lifecycle of a dirty GFN goes like:
1740  *
1741  *      dirtied         harvested        reset
1742  * 00 -----------> 01 -------------> 1X -------+
1743  *  ^                                          |
1744  *  |                                          |
1745  *  +------------------------------------------+
1746  *
1747  * The userspace program is only responsible for the 01->1X state
1748  * conversion after harvesting an entry.  Also, it must not skip any
1749  * dirty bits, so that dirty bits are always harvested in sequence.
1750  */
1751 #define KVM_DIRTY_GFN_F_DIRTY           BIT(0)
1752 #define KVM_DIRTY_GFN_F_RESET           BIT(1)
1753 #define KVM_DIRTY_GFN_F_MASK            0x3
1754 
1755 /*
1756  * KVM dirty rings should be mapped at KVM_DIRTY_LOG_PAGE_OFFSET of
1757  * per-vcpu mmaped regions as an array of struct kvm_dirty_gfn.  The
1758  * size of the gfn buffer is decided by the first argument when
1759  * enabling KVM_CAP_DIRTY_LOG_RING.
1760  */
1761 struct kvm_dirty_gfn {
1762 	__u32 flags;
1763 	__u32 slot;
1764 	__u64 offset;
1765 };
1766 
1767 #endif /* __LINUX_KVM_H */
1768