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