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1 #ifndef __LINUX_KVM_H
2 #define __LINUX_KVM_H
3 
4 /*
5  * Userspace interface for /dev/kvm - kernel based virtual machine
6  *
7  * Note: you must update KVM_API_VERSION if you change this interface.
8  */
9 
10 #include <linux/types.h>
11 #include <linux/compiler.h>
12 #include <linux/ioctl.h>
13 #include <asm/kvm.h>
14 
15 #define KVM_API_VERSION 12
16 
17 /* *** Deprecated interfaces *** */
18 
19 #define KVM_TRC_SHIFT           16
20 
21 #define KVM_TRC_ENTRYEXIT       (1 << KVM_TRC_SHIFT)
22 #define KVM_TRC_HANDLER         (1 << (KVM_TRC_SHIFT + 1))
23 
24 #define KVM_TRC_VMENTRY         (KVM_TRC_ENTRYEXIT + 0x01)
25 #define KVM_TRC_VMEXIT          (KVM_TRC_ENTRYEXIT + 0x02)
26 #define KVM_TRC_PAGE_FAULT      (KVM_TRC_HANDLER + 0x01)
27 
28 #define KVM_TRC_HEAD_SIZE       12
29 #define KVM_TRC_CYCLE_SIZE      8
30 #define KVM_TRC_EXTRA_MAX       7
31 
32 #define KVM_TRC_INJ_VIRQ         (KVM_TRC_HANDLER + 0x02)
33 #define KVM_TRC_REDELIVER_EVT    (KVM_TRC_HANDLER + 0x03)
34 #define KVM_TRC_PEND_INTR        (KVM_TRC_HANDLER + 0x04)
35 #define KVM_TRC_IO_READ          (KVM_TRC_HANDLER + 0x05)
36 #define KVM_TRC_IO_WRITE         (KVM_TRC_HANDLER + 0x06)
37 #define KVM_TRC_CR_READ          (KVM_TRC_HANDLER + 0x07)
38 #define KVM_TRC_CR_WRITE         (KVM_TRC_HANDLER + 0x08)
39 #define KVM_TRC_DR_READ          (KVM_TRC_HANDLER + 0x09)
40 #define KVM_TRC_DR_WRITE         (KVM_TRC_HANDLER + 0x0A)
41 #define KVM_TRC_MSR_READ         (KVM_TRC_HANDLER + 0x0B)
42 #define KVM_TRC_MSR_WRITE        (KVM_TRC_HANDLER + 0x0C)
43 #define KVM_TRC_CPUID            (KVM_TRC_HANDLER + 0x0D)
44 #define KVM_TRC_INTR             (KVM_TRC_HANDLER + 0x0E)
45 #define KVM_TRC_NMI              (KVM_TRC_HANDLER + 0x0F)
46 #define KVM_TRC_VMMCALL          (KVM_TRC_HANDLER + 0x10)
47 #define KVM_TRC_HLT              (KVM_TRC_HANDLER + 0x11)
48 #define KVM_TRC_CLTS             (KVM_TRC_HANDLER + 0x12)
49 #define KVM_TRC_LMSW             (KVM_TRC_HANDLER + 0x13)
50 #define KVM_TRC_APIC_ACCESS      (KVM_TRC_HANDLER + 0x14)
51 #define KVM_TRC_TDP_FAULT        (KVM_TRC_HANDLER + 0x15)
52 #define KVM_TRC_GTLB_WRITE       (KVM_TRC_HANDLER + 0x16)
53 #define KVM_TRC_STLB_WRITE       (KVM_TRC_HANDLER + 0x17)
54 #define KVM_TRC_STLB_INVAL       (KVM_TRC_HANDLER + 0x18)
55 #define KVM_TRC_PPC_INSTR        (KVM_TRC_HANDLER + 0x19)
56 
57 struct kvm_user_trace_setup {
58 	__u32 buf_size;
59 	__u32 buf_nr;
60 };
61 
62 #define __KVM_DEPRECATED_MAIN_W_0x06 \
63 	_IOW(KVMIO, 0x06, struct kvm_user_trace_setup)
64 #define __KVM_DEPRECATED_MAIN_0x07 _IO(KVMIO, 0x07)
65 #define __KVM_DEPRECATED_MAIN_0x08 _IO(KVMIO, 0x08)
66 
67 #define __KVM_DEPRECATED_VM_R_0x70 _IOR(KVMIO, 0x70, struct kvm_assigned_irq)
68 
69 struct kvm_breakpoint {
70 	__u32 enabled;
71 	__u32 padding;
72 	__u64 address;
73 };
74 
75 struct kvm_debug_guest {
76 	__u32 enabled;
77 	__u32 pad;
78 	struct kvm_breakpoint breakpoints[4];
79 	__u32 singlestep;
80 };
81 
82 #define __KVM_DEPRECATED_VCPU_W_0x87 _IOW(KVMIO, 0x87, struct kvm_debug_guest)
83 
84 /* *** End of deprecated interfaces *** */
85 
86 
87 /* for KVM_CREATE_MEMORY_REGION */
88 struct kvm_memory_region {
89 	__u32 slot;
90 	__u32 flags;
91 	__u64 guest_phys_addr;
92 	__u64 memory_size; /* bytes */
93 };
94 
95 /* for KVM_SET_USER_MEMORY_REGION */
96 struct kvm_userspace_memory_region {
97 	__u32 slot;
98 	__u32 flags;
99 	__u64 guest_phys_addr;
100 	__u64 memory_size; /* bytes */
101 	__u64 userspace_addr; /* start of the userspace allocated memory */
102 };
103 
104 /*
105  * The bit 0 ~ bit 15 of kvm_memory_region::flags are visible for userspace,
106  * other bits are reserved for kvm internal use which are defined in
107  * include/linux/kvm_host.h.
108  */
109 #define KVM_MEM_LOG_DIRTY_PAGES	(1UL << 0)
110 #define KVM_MEM_READONLY	(1UL << 1)
111 
112 /* for KVM_IRQ_LINE */
113 struct kvm_irq_level {
114 	/*
115 	 * ACPI gsi notion of irq.
116 	 * For IA-64 (APIC model) IOAPIC0: irq 0-23; IOAPIC1: irq 24-47..
117 	 * For X86 (standard AT mode) PIC0/1: irq 0-15. IOAPIC0: 0-23..
118 	 * For ARM: See Documentation/virtual/kvm/api.txt
119 	 */
120 	union {
121 		__u32 irq;
122 		__s32 status;
123 	};
124 	__u32 level;
125 };
126 
127 
128 struct kvm_irqchip {
129 	__u32 chip_id;
130 	__u32 pad;
131         union {
132 		char dummy[512];  /* reserving space */
133 #ifdef __KVM_HAVE_PIT
134 		struct kvm_pic_state pic;
135 #endif
136 #ifdef __KVM_HAVE_IOAPIC
137 		struct kvm_ioapic_state ioapic;
138 #endif
139 	} chip;
140 };
141 
142 /* for KVM_CREATE_PIT2 */
143 struct kvm_pit_config {
144 	__u32 flags;
145 	__u32 pad[15];
146 };
147 
148 #define KVM_PIT_SPEAKER_DUMMY     1
149 
150 struct kvm_s390_skeys {
151 	__u64 start_gfn;
152 	__u64 count;
153 	__u64 skeydata_addr;
154 	__u32 flags;
155 	__u32 reserved[9];
156 };
157 
158 struct kvm_hyperv_exit {
159 #define KVM_EXIT_HYPERV_SYNIC          1
160 #define KVM_EXIT_HYPERV_HCALL          2
161 	__u32 type;
162 	union {
163 		struct {
164 			__u32 msr;
165 			__u64 control;
166 			__u64 evt_page;
167 			__u64 msg_page;
168 		} synic;
169 		struct {
170 			__u64 input;
171 			__u64 result;
172 			__u64 params[2];
173 		} hcall;
174 	} u;
175 };
176 
177 #define KVM_S390_GET_SKEYS_NONE   1
178 #define KVM_S390_SKEYS_MAX        1048576
179 
180 #define KVM_EXIT_UNKNOWN          0
181 #define KVM_EXIT_EXCEPTION        1
182 #define KVM_EXIT_IO               2
183 #define KVM_EXIT_HYPERCALL        3
184 #define KVM_EXIT_DEBUG            4
185 #define KVM_EXIT_HLT              5
186 #define KVM_EXIT_MMIO             6
187 #define KVM_EXIT_IRQ_WINDOW_OPEN  7
188 #define KVM_EXIT_SHUTDOWN         8
189 #define KVM_EXIT_FAIL_ENTRY       9
190 #define KVM_EXIT_INTR             10
191 #define KVM_EXIT_SET_TPR          11
192 #define KVM_EXIT_TPR_ACCESS       12
193 #define KVM_EXIT_S390_SIEIC       13
194 #define KVM_EXIT_S390_RESET       14
195 #define KVM_EXIT_DCR              15 /* deprecated */
196 #define KVM_EXIT_NMI              16
197 #define KVM_EXIT_INTERNAL_ERROR   17
198 #define KVM_EXIT_OSI              18
199 #define KVM_EXIT_PAPR_HCALL	  19
200 #define KVM_EXIT_S390_UCONTROL	  20
201 #define KVM_EXIT_WATCHDOG         21
202 #define KVM_EXIT_S390_TSCH        22
203 #define KVM_EXIT_EPR              23
204 #define KVM_EXIT_SYSTEM_EVENT     24
205 #define KVM_EXIT_S390_STSI        25
206 #define KVM_EXIT_IOAPIC_EOI       26
207 #define KVM_EXIT_HYPERV           27
208 
209 /* For KVM_EXIT_INTERNAL_ERROR */
210 /* Emulate instruction failed. */
211 #define KVM_INTERNAL_ERROR_EMULATION	1
212 /* Encounter unexpected simultaneous exceptions. */
213 #define KVM_INTERNAL_ERROR_SIMUL_EX	2
214 /* Encounter unexpected vm-exit due to delivery event. */
215 #define KVM_INTERNAL_ERROR_DELIVERY_EV	3
216 
217 /* for KVM_RUN, returned by mmap(vcpu_fd, offset=0) */
218 struct kvm_run {
219 	/* in */
220 	__u8 request_interrupt_window;
221 	__u8 padding1[7];
222 
223 	/* out */
224 	__u32 exit_reason;
225 	__u8 ready_for_interrupt_injection;
226 	__u8 if_flag;
227 	__u16 flags;
228 
229 	/* in (pre_kvm_run), out (post_kvm_run) */
230 	__u64 cr8;
231 	__u64 apic_base;
232 
233 #ifdef __KVM_S390
234 	/* the processor status word for s390 */
235 	__u64 psw_mask; /* psw upper half */
236 	__u64 psw_addr; /* psw lower half */
237 #endif
238 	union {
239 		/* KVM_EXIT_UNKNOWN */
240 		struct {
241 			__u64 hardware_exit_reason;
242 		} hw;
243 		/* KVM_EXIT_FAIL_ENTRY */
244 		struct {
245 			__u64 hardware_entry_failure_reason;
246 		} fail_entry;
247 		/* KVM_EXIT_EXCEPTION */
248 		struct {
249 			__u32 exception;
250 			__u32 error_code;
251 		} ex;
252 		/* KVM_EXIT_IO */
253 		struct {
254 #define KVM_EXIT_IO_IN  0
255 #define KVM_EXIT_IO_OUT 1
256 			__u8 direction;
257 			__u8 size; /* bytes */
258 			__u16 port;
259 			__u32 count;
260 			__u64 data_offset; /* relative to kvm_run start */
261 		} io;
262 		/* KVM_EXIT_DEBUG */
263 		struct {
264 			struct kvm_debug_exit_arch arch;
265 		} debug;
266 		/* KVM_EXIT_MMIO */
267 		struct {
268 			__u64 phys_addr;
269 			__u8  data[8];
270 			__u32 len;
271 			__u8  is_write;
272 		} mmio;
273 		/* KVM_EXIT_HYPERCALL */
274 		struct {
275 			__u64 nr;
276 			__u64 args[6];
277 			__u64 ret;
278 			__u32 longmode;
279 			__u32 pad;
280 		} hypercall;
281 		/* KVM_EXIT_TPR_ACCESS */
282 		struct {
283 			__u64 rip;
284 			__u32 is_write;
285 			__u32 pad;
286 		} tpr_access;
287 		/* KVM_EXIT_S390_SIEIC */
288 		struct {
289 			__u8 icptcode;
290 			__u16 ipa;
291 			__u32 ipb;
292 		} s390_sieic;
293 		/* KVM_EXIT_S390_RESET */
294 #define KVM_S390_RESET_POR       1
295 #define KVM_S390_RESET_CLEAR     2
296 #define KVM_S390_RESET_SUBSYSTEM 4
297 #define KVM_S390_RESET_CPU_INIT  8
298 #define KVM_S390_RESET_IPL       16
299 		__u64 s390_reset_flags;
300 		/* KVM_EXIT_S390_UCONTROL */
301 		struct {
302 			__u64 trans_exc_code;
303 			__u32 pgm_code;
304 		} s390_ucontrol;
305 		/* KVM_EXIT_DCR (deprecated) */
306 		struct {
307 			__u32 dcrn;
308 			__u32 data;
309 			__u8  is_write;
310 		} dcr;
311 		/* KVM_EXIT_INTERNAL_ERROR */
312 		struct {
313 			__u32 suberror;
314 			/* Available with KVM_CAP_INTERNAL_ERROR_DATA: */
315 			__u32 ndata;
316 			__u64 data[16];
317 		} internal;
318 		/* KVM_EXIT_OSI */
319 		struct {
320 			__u64 gprs[32];
321 		} osi;
322 		/* KVM_EXIT_PAPR_HCALL */
323 		struct {
324 			__u64 nr;
325 			__u64 ret;
326 			__u64 args[9];
327 		} papr_hcall;
328 		/* KVM_EXIT_S390_TSCH */
329 		struct {
330 			__u16 subchannel_id;
331 			__u16 subchannel_nr;
332 			__u32 io_int_parm;
333 			__u32 io_int_word;
334 			__u32 ipb;
335 			__u8 dequeued;
336 		} s390_tsch;
337 		/* KVM_EXIT_EPR */
338 		struct {
339 			__u32 epr;
340 		} epr;
341 		/* KVM_EXIT_SYSTEM_EVENT */
342 		struct {
343 #define KVM_SYSTEM_EVENT_SHUTDOWN       1
344 #define KVM_SYSTEM_EVENT_RESET          2
345 #define KVM_SYSTEM_EVENT_CRASH          3
346 			__u32 type;
347 			__u64 flags;
348 		} system_event;
349 		/* KVM_EXIT_S390_STSI */
350 		struct {
351 			__u64 addr;
352 			__u8 ar;
353 			__u8 reserved;
354 			__u8 fc;
355 			__u8 sel1;
356 			__u16 sel2;
357 		} s390_stsi;
358 		/* KVM_EXIT_IOAPIC_EOI */
359 		struct {
360 			__u8 vector;
361 		} eoi;
362 		/* KVM_EXIT_HYPERV */
363 		struct kvm_hyperv_exit hyperv;
364 		/* Fix the size of the union. */
365 		char padding[256];
366 	};
367 
368 	/*
369 	 * shared registers between kvm and userspace.
370 	 * kvm_valid_regs specifies the register classes set by the host
371 	 * kvm_dirty_regs specified the register classes dirtied by userspace
372 	 * struct kvm_sync_regs is architecture specific, as well as the
373 	 * bits for kvm_valid_regs and kvm_dirty_regs
374 	 */
375 	__u64 kvm_valid_regs;
376 	__u64 kvm_dirty_regs;
377 	union {
378 		struct kvm_sync_regs regs;
379 		char padding[2048];
380 	} s;
381 };
382 
383 /* for KVM_REGISTER_COALESCED_MMIO / KVM_UNREGISTER_COALESCED_MMIO */
384 
385 struct kvm_coalesced_mmio_zone {
386 	__u64 addr;
387 	__u32 size;
388 	__u32 pad;
389 };
390 
391 struct kvm_coalesced_mmio {
392 	__u64 phys_addr;
393 	__u32 len;
394 	__u32 pad;
395 	__u8  data[8];
396 };
397 
398 struct kvm_coalesced_mmio_ring {
399 	__u32 first, last;
400 	struct kvm_coalesced_mmio coalesced_mmio[0];
401 };
402 
403 #define KVM_COALESCED_MMIO_MAX \
404 	((PAGE_SIZE - sizeof(struct kvm_coalesced_mmio_ring)) / \
405 	 sizeof(struct kvm_coalesced_mmio))
406 
407 /* for KVM_TRANSLATE */
408 struct kvm_translation {
409 	/* in */
410 	__u64 linear_address;
411 
412 	/* out */
413 	__u64 physical_address;
414 	__u8  valid;
415 	__u8  writeable;
416 	__u8  usermode;
417 	__u8  pad[5];
418 };
419 
420 /* for KVM_S390_MEM_OP */
421 struct kvm_s390_mem_op {
422 	/* in */
423 	__u64 gaddr;		/* the guest address */
424 	__u64 flags;		/* flags */
425 	__u32 size;		/* amount of bytes */
426 	__u32 op;		/* type of operation */
427 	__u64 buf;		/* buffer in userspace */
428 	__u8 ar;		/* the access register number */
429 	__u8 reserved[31];	/* should be set to 0 */
430 };
431 /* types for kvm_s390_mem_op->op */
432 #define KVM_S390_MEMOP_LOGICAL_READ	0
433 #define KVM_S390_MEMOP_LOGICAL_WRITE	1
434 /* flags for kvm_s390_mem_op->flags */
435 #define KVM_S390_MEMOP_F_CHECK_ONLY		(1ULL << 0)
436 #define KVM_S390_MEMOP_F_INJECT_EXCEPTION	(1ULL << 1)
437 
438 /* for KVM_INTERRUPT */
439 struct kvm_interrupt {
440 	/* in */
441 	__u32 irq;
442 };
443 
444 /* for KVM_GET_DIRTY_LOG */
445 struct kvm_dirty_log {
446 	__u32 slot;
447 	__u32 padding1;
448 	union {
449 		void __user *dirty_bitmap; /* one bit per page */
450 		__u64 padding2;
451 	};
452 };
453 
454 /* for KVM_SET_SIGNAL_MASK */
455 struct kvm_signal_mask {
456 	__u32 len;
457 	__u8  sigset[0];
458 };
459 
460 /* for KVM_TPR_ACCESS_REPORTING */
461 struct kvm_tpr_access_ctl {
462 	__u32 enabled;
463 	__u32 flags;
464 	__u32 reserved[8];
465 };
466 
467 /* for KVM_SET_VAPIC_ADDR */
468 struct kvm_vapic_addr {
469 	__u64 vapic_addr;
470 };
471 
472 /* for KVM_SET_MP_STATE */
473 
474 /* not all states are valid on all architectures */
475 #define KVM_MP_STATE_RUNNABLE          0
476 #define KVM_MP_STATE_UNINITIALIZED     1
477 #define KVM_MP_STATE_INIT_RECEIVED     2
478 #define KVM_MP_STATE_HALTED            3
479 #define KVM_MP_STATE_SIPI_RECEIVED     4
480 #define KVM_MP_STATE_STOPPED           5
481 #define KVM_MP_STATE_CHECK_STOP        6
482 #define KVM_MP_STATE_OPERATING         7
483 #define KVM_MP_STATE_LOAD              8
484 
485 struct kvm_mp_state {
486 	__u32 mp_state;
487 };
488 
489 struct kvm_s390_psw {
490 	__u64 mask;
491 	__u64 addr;
492 };
493 
494 /* valid values for type in kvm_s390_interrupt */
495 #define KVM_S390_SIGP_STOP		0xfffe0000u
496 #define KVM_S390_PROGRAM_INT		0xfffe0001u
497 #define KVM_S390_SIGP_SET_PREFIX	0xfffe0002u
498 #define KVM_S390_RESTART		0xfffe0003u
499 #define KVM_S390_INT_PFAULT_INIT	0xfffe0004u
500 #define KVM_S390_INT_PFAULT_DONE	0xfffe0005u
501 #define KVM_S390_MCHK			0xfffe1000u
502 #define KVM_S390_INT_CLOCK_COMP		0xffff1004u
503 #define KVM_S390_INT_CPU_TIMER		0xffff1005u
504 #define KVM_S390_INT_VIRTIO		0xffff2603u
505 #define KVM_S390_INT_SERVICE		0xffff2401u
506 #define KVM_S390_INT_EMERGENCY		0xffff1201u
507 #define KVM_S390_INT_EXTERNAL_CALL	0xffff1202u
508 /* Anything below 0xfffe0000u is taken by INT_IO */
509 #define KVM_S390_INT_IO(ai,cssid,ssid,schid)   \
510 	(((schid)) |			       \
511 	 ((ssid) << 16) |		       \
512 	 ((cssid) << 18) |		       \
513 	 ((ai) << 26))
514 #define KVM_S390_INT_IO_MIN		0x00000000u
515 #define KVM_S390_INT_IO_MAX		0xfffdffffu
516 #define KVM_S390_INT_IO_AI_MASK		0x04000000u
517 
518 
519 struct kvm_s390_interrupt {
520 	__u32 type;
521 	__u32 parm;
522 	__u64 parm64;
523 };
524 
525 struct kvm_s390_io_info {
526 	__u16 subchannel_id;
527 	__u16 subchannel_nr;
528 	__u32 io_int_parm;
529 	__u32 io_int_word;
530 };
531 
532 struct kvm_s390_ext_info {
533 	__u32 ext_params;
534 	__u32 pad;
535 	__u64 ext_params2;
536 };
537 
538 struct kvm_s390_pgm_info {
539 	__u64 trans_exc_code;
540 	__u64 mon_code;
541 	__u64 per_address;
542 	__u32 data_exc_code;
543 	__u16 code;
544 	__u16 mon_class_nr;
545 	__u8 per_code;
546 	__u8 per_atmid;
547 	__u8 exc_access_id;
548 	__u8 per_access_id;
549 	__u8 op_access_id;
550 #define KVM_S390_PGM_FLAGS_ILC_VALID	0x01
551 #define KVM_S390_PGM_FLAGS_ILC_0	0x02
552 #define KVM_S390_PGM_FLAGS_ILC_1	0x04
553 #define KVM_S390_PGM_FLAGS_ILC_MASK	0x06
554 #define KVM_S390_PGM_FLAGS_NO_REWIND	0x08
555 	__u8 flags;
556 	__u8 pad[2];
557 };
558 
559 struct kvm_s390_prefix_info {
560 	__u32 address;
561 };
562 
563 struct kvm_s390_extcall_info {
564 	__u16 code;
565 };
566 
567 struct kvm_s390_emerg_info {
568 	__u16 code;
569 };
570 
571 #define KVM_S390_STOP_FLAG_STORE_STATUS	0x01
572 struct kvm_s390_stop_info {
573 	__u32 flags;
574 };
575 
576 struct kvm_s390_mchk_info {
577 	__u64 cr14;
578 	__u64 mcic;
579 	__u64 failing_storage_address;
580 	__u32 ext_damage_code;
581 	__u32 pad;
582 	__u8 fixed_logout[16];
583 };
584 
585 struct kvm_s390_irq {
586 	__u64 type;
587 	union {
588 		struct kvm_s390_io_info io;
589 		struct kvm_s390_ext_info ext;
590 		struct kvm_s390_pgm_info pgm;
591 		struct kvm_s390_emerg_info emerg;
592 		struct kvm_s390_extcall_info extcall;
593 		struct kvm_s390_prefix_info prefix;
594 		struct kvm_s390_stop_info stop;
595 		struct kvm_s390_mchk_info mchk;
596 		char reserved[64];
597 	} u;
598 };
599 
600 struct kvm_s390_irq_state {
601 	__u64 buf;
602 	__u32 flags;
603 	__u32 len;
604 	__u32 reserved[4];
605 };
606 
607 /* for KVM_SET_GUEST_DEBUG */
608 
609 #define KVM_GUESTDBG_ENABLE		0x00000001
610 #define KVM_GUESTDBG_SINGLESTEP		0x00000002
611 
612 struct kvm_guest_debug {
613 	__u32 control;
614 	__u32 pad;
615 	struct kvm_guest_debug_arch arch;
616 };
617 
618 enum {
619 	kvm_ioeventfd_flag_nr_datamatch,
620 	kvm_ioeventfd_flag_nr_pio,
621 	kvm_ioeventfd_flag_nr_deassign,
622 	kvm_ioeventfd_flag_nr_virtio_ccw_notify,
623 	kvm_ioeventfd_flag_nr_fast_mmio,
624 	kvm_ioeventfd_flag_nr_max,
625 };
626 
627 #define KVM_IOEVENTFD_FLAG_DATAMATCH (1 << kvm_ioeventfd_flag_nr_datamatch)
628 #define KVM_IOEVENTFD_FLAG_PIO       (1 << kvm_ioeventfd_flag_nr_pio)
629 #define KVM_IOEVENTFD_FLAG_DEASSIGN  (1 << kvm_ioeventfd_flag_nr_deassign)
630 #define KVM_IOEVENTFD_FLAG_VIRTIO_CCW_NOTIFY \
631 	(1 << kvm_ioeventfd_flag_nr_virtio_ccw_notify)
632 
633 #define KVM_IOEVENTFD_VALID_FLAG_MASK  ((1 << kvm_ioeventfd_flag_nr_max) - 1)
634 
635 struct kvm_ioeventfd {
636 	__u64 datamatch;
637 	__u64 addr;        /* legal pio/mmio address */
638 	__u32 len;         /* 1, 2, 4, or 8 bytes; or 0 to ignore length */
639 	__s32 fd;
640 	__u32 flags;
641 	__u8  pad[36];
642 };
643 
644 /* for KVM_ENABLE_CAP */
645 struct kvm_enable_cap {
646 	/* in */
647 	__u32 cap;
648 	__u32 flags;
649 	__u64 args[4];
650 	__u8  pad[64];
651 };
652 
653 /* for KVM_PPC_GET_PVINFO */
654 
655 #define KVM_PPC_PVINFO_FLAGS_EV_IDLE   (1<<0)
656 
657 struct kvm_ppc_pvinfo {
658 	/* out */
659 	__u32 flags;
660 	__u32 hcall[4];
661 	__u8  pad[108];
662 };
663 
664 /* for KVM_PPC_GET_SMMU_INFO */
665 #define KVM_PPC_PAGE_SIZES_MAX_SZ	8
666 
667 struct kvm_ppc_one_page_size {
668 	__u32 page_shift;	/* Page shift (or 0) */
669 	__u32 pte_enc;		/* Encoding in the HPTE (>>12) */
670 };
671 
672 struct kvm_ppc_one_seg_page_size {
673 	__u32 page_shift;	/* Base page shift of segment (or 0) */
674 	__u32 slb_enc;		/* SLB encoding for BookS */
675 	struct kvm_ppc_one_page_size enc[KVM_PPC_PAGE_SIZES_MAX_SZ];
676 };
677 
678 #define KVM_PPC_PAGE_SIZES_REAL		0x00000001
679 #define KVM_PPC_1T_SEGMENTS		0x00000002
680 
681 struct kvm_ppc_smmu_info {
682 	__u64 flags;
683 	__u32 slb_size;
684 	__u32 pad;
685 	struct kvm_ppc_one_seg_page_size sps[KVM_PPC_PAGE_SIZES_MAX_SZ];
686 };
687 
688 #define KVMIO 0xAE
689 
690 /* machine type bits, to be used as argument to KVM_CREATE_VM */
691 #define KVM_VM_S390_UCONTROL	1
692 
693 /* on ppc, 0 indicate default, 1 should force HV and 2 PR */
694 #define KVM_VM_PPC_HV 1
695 #define KVM_VM_PPC_PR 2
696 
697 #define KVM_S390_SIE_PAGE_OFFSET 1
698 
699 /*
700  * ioctls for /dev/kvm fds:
701  */
702 #define KVM_GET_API_VERSION       _IO(KVMIO,   0x00)
703 #define KVM_CREATE_VM             _IO(KVMIO,   0x01) /* returns a VM fd */
704 #define KVM_GET_MSR_INDEX_LIST    _IOWR(KVMIO, 0x02, struct kvm_msr_list)
705 
706 #define KVM_S390_ENABLE_SIE       _IO(KVMIO,   0x06)
707 /*
708  * Check if a kvm extension is available.  Argument is extension number,
709  * return is 1 (yes) or 0 (no, sorry).
710  */
711 #define KVM_CHECK_EXTENSION       _IO(KVMIO,   0x03)
712 /*
713  * Get size for mmap(vcpu_fd)
714  */
715 #define KVM_GET_VCPU_MMAP_SIZE    _IO(KVMIO,   0x04) /* in bytes */
716 #define KVM_GET_SUPPORTED_CPUID   _IOWR(KVMIO, 0x05, struct kvm_cpuid2)
717 #define KVM_TRACE_ENABLE          __KVM_DEPRECATED_MAIN_W_0x06
718 #define KVM_TRACE_PAUSE           __KVM_DEPRECATED_MAIN_0x07
719 #define KVM_TRACE_DISABLE         __KVM_DEPRECATED_MAIN_0x08
720 #define KVM_GET_EMULATED_CPUID	  _IOWR(KVMIO, 0x09, struct kvm_cpuid2)
721 
722 /*
723  * Extension capability list.
724  */
725 #define KVM_CAP_IRQCHIP	  0
726 #define KVM_CAP_HLT	  1
727 #define KVM_CAP_MMU_SHADOW_CACHE_CONTROL 2
728 #define KVM_CAP_USER_MEMORY 3
729 #define KVM_CAP_SET_TSS_ADDR 4
730 #define KVM_CAP_VAPIC 6
731 #define KVM_CAP_EXT_CPUID 7
732 #define KVM_CAP_CLOCKSOURCE 8
733 #define KVM_CAP_NR_VCPUS 9       /* returns recommended max vcpus per vm */
734 #define KVM_CAP_NR_MEMSLOTS 10   /* returns max memory slots per vm */
735 #define KVM_CAP_PIT 11
736 #define KVM_CAP_NOP_IO_DELAY 12
737 #define KVM_CAP_PV_MMU 13
738 #define KVM_CAP_MP_STATE 14
739 #define KVM_CAP_COALESCED_MMIO 15
740 #define KVM_CAP_SYNC_MMU 16  /* Changes to host mmap are reflected in guest */
741 #define KVM_CAP_IOMMU 18
742 /* Bug in KVM_SET_USER_MEMORY_REGION fixed: */
743 #define KVM_CAP_DESTROY_MEMORY_REGION_WORKS 21
744 #define KVM_CAP_USER_NMI 22
745 #ifdef __KVM_HAVE_GUEST_DEBUG
746 #define KVM_CAP_SET_GUEST_DEBUG 23
747 #endif
748 #ifdef __KVM_HAVE_PIT
749 #define KVM_CAP_REINJECT_CONTROL 24
750 #endif
751 #define KVM_CAP_IRQ_ROUTING 25
752 #define KVM_CAP_IRQ_INJECT_STATUS 26
753 #define KVM_CAP_ASSIGN_DEV_IRQ 29
754 /* Another bug in KVM_SET_USER_MEMORY_REGION fixed: */
755 #define KVM_CAP_JOIN_MEMORY_REGIONS_WORKS 30
756 #ifdef __KVM_HAVE_MCE
757 #define KVM_CAP_MCE 31
758 #endif
759 #define KVM_CAP_IRQFD 32
760 #ifdef __KVM_HAVE_PIT
761 #define KVM_CAP_PIT2 33
762 #endif
763 #define KVM_CAP_SET_BOOT_CPU_ID 34
764 #ifdef __KVM_HAVE_PIT_STATE2
765 #define KVM_CAP_PIT_STATE2 35
766 #endif
767 #define KVM_CAP_IOEVENTFD 36
768 #define KVM_CAP_SET_IDENTITY_MAP_ADDR 37
769 #ifdef __KVM_HAVE_XEN_HVM
770 #define KVM_CAP_XEN_HVM 38
771 #endif
772 #define KVM_CAP_ADJUST_CLOCK 39
773 #define KVM_CAP_INTERNAL_ERROR_DATA 40
774 #ifdef __KVM_HAVE_VCPU_EVENTS
775 #define KVM_CAP_VCPU_EVENTS 41
776 #endif
777 #define KVM_CAP_S390_PSW 42
778 #define KVM_CAP_PPC_SEGSTATE 43
779 #define KVM_CAP_HYPERV 44
780 #define KVM_CAP_HYPERV_VAPIC 45
781 #define KVM_CAP_HYPERV_SPIN 46
782 #define KVM_CAP_PCI_SEGMENT 47
783 #define KVM_CAP_PPC_PAIRED_SINGLES 48
784 #define KVM_CAP_INTR_SHADOW 49
785 #ifdef __KVM_HAVE_DEBUGREGS
786 #define KVM_CAP_DEBUGREGS 50
787 #endif
788 #define KVM_CAP_X86_ROBUST_SINGLESTEP 51
789 #define KVM_CAP_PPC_OSI 52
790 #define KVM_CAP_PPC_UNSET_IRQ 53
791 #define KVM_CAP_ENABLE_CAP 54
792 #ifdef __KVM_HAVE_XSAVE
793 #define KVM_CAP_XSAVE 55
794 #endif
795 #ifdef __KVM_HAVE_XCRS
796 #define KVM_CAP_XCRS 56
797 #endif
798 #define KVM_CAP_PPC_GET_PVINFO 57
799 #define KVM_CAP_PPC_IRQ_LEVEL 58
800 #define KVM_CAP_ASYNC_PF 59
801 #define KVM_CAP_TSC_CONTROL 60
802 #define KVM_CAP_GET_TSC_KHZ 61
803 #define KVM_CAP_PPC_BOOKE_SREGS 62
804 #define KVM_CAP_SPAPR_TCE 63
805 #define KVM_CAP_PPC_SMT 64
806 #define KVM_CAP_PPC_RMA	65
807 #define KVM_CAP_MAX_VCPUS 66       /* returns max vcpus per vm */
808 #define KVM_CAP_PPC_HIOR 67
809 #define KVM_CAP_PPC_PAPR 68
810 #define KVM_CAP_SW_TLB 69
811 #define KVM_CAP_ONE_REG 70
812 #define KVM_CAP_S390_GMAP 71
813 #define KVM_CAP_TSC_DEADLINE_TIMER 72
814 #define KVM_CAP_S390_UCONTROL 73
815 #define KVM_CAP_SYNC_REGS 74
816 #define KVM_CAP_PCI_2_3 75
817 #define KVM_CAP_KVMCLOCK_CTRL 76
818 #define KVM_CAP_SIGNAL_MSI 77
819 #define KVM_CAP_PPC_GET_SMMU_INFO 78
820 #define KVM_CAP_S390_COW 79
821 #define KVM_CAP_PPC_ALLOC_HTAB 80
822 #define KVM_CAP_READONLY_MEM 81
823 #define KVM_CAP_IRQFD_RESAMPLE 82
824 #define KVM_CAP_PPC_BOOKE_WATCHDOG 83
825 #define KVM_CAP_PPC_HTAB_FD 84
826 #define KVM_CAP_S390_CSS_SUPPORT 85
827 #define KVM_CAP_PPC_EPR 86
828 #define KVM_CAP_ARM_PSCI 87
829 #define KVM_CAP_ARM_SET_DEVICE_ADDR 88
830 #define KVM_CAP_DEVICE_CTRL 89
831 #define KVM_CAP_IRQ_MPIC 90
832 #define KVM_CAP_PPC_RTAS 91
833 #define KVM_CAP_IRQ_XICS 92
834 #define KVM_CAP_ARM_EL1_32BIT 93
835 #define KVM_CAP_SPAPR_MULTITCE 94
836 #define KVM_CAP_EXT_EMUL_CPUID 95
837 #define KVM_CAP_HYPERV_TIME 96
838 #define KVM_CAP_IOAPIC_POLARITY_IGNORED 97
839 #define KVM_CAP_ENABLE_CAP_VM 98
840 #define KVM_CAP_S390_IRQCHIP 99
841 #define KVM_CAP_IOEVENTFD_NO_LENGTH 100
842 #define KVM_CAP_VM_ATTRIBUTES 101
843 #define KVM_CAP_ARM_PSCI_0_2 102
844 #define KVM_CAP_PPC_FIXUP_HCALL 103
845 #define KVM_CAP_PPC_ENABLE_HCALL 104
846 #define KVM_CAP_CHECK_EXTENSION_VM 105
847 #define KVM_CAP_S390_USER_SIGP 106
848 #define KVM_CAP_S390_VECTOR_REGISTERS 107
849 #define KVM_CAP_S390_MEM_OP 108
850 #define KVM_CAP_S390_USER_STSI 109
851 #define KVM_CAP_S390_SKEYS 110
852 #define KVM_CAP_MIPS_FPU 111
853 #define KVM_CAP_MIPS_MSA 112
854 #define KVM_CAP_S390_INJECT_IRQ 113
855 #define KVM_CAP_S390_IRQ_STATE 114
856 #define KVM_CAP_PPC_HWRNG 115
857 #define KVM_CAP_DISABLE_QUIRKS 116
858 #define KVM_CAP_X86_SMM 117
859 #define KVM_CAP_MULTI_ADDRESS_SPACE 118
860 #define KVM_CAP_GUEST_DEBUG_HW_BPS 119
861 #define KVM_CAP_GUEST_DEBUG_HW_WPS 120
862 #define KVM_CAP_SPLIT_IRQCHIP 121
863 #define KVM_CAP_IOEVENTFD_ANY_LENGTH 122
864 #define KVM_CAP_HYPERV_SYNIC 123
865 #define KVM_CAP_S390_RI 124
866 #define KVM_CAP_SPAPR_TCE_64 125
867 #define KVM_CAP_ARM_PMU_V3 126
868 #define KVM_CAP_VCPU_ATTRIBUTES 127
869 #define KVM_CAP_MAX_VCPU_ID 128
870 #define KVM_CAP_X2APIC_API 129
871 #define KVM_CAP_S390_USER_INSTR0 130
872 #define KVM_CAP_MSI_DEVID 131
873 #define KVM_CAP_PPC_HTM 132
874 
875 #ifdef KVM_CAP_IRQ_ROUTING
876 
877 struct kvm_irq_routing_irqchip {
878 	__u32 irqchip;
879 	__u32 pin;
880 };
881 
882 struct kvm_irq_routing_msi {
883 	__u32 address_lo;
884 	__u32 address_hi;
885 	__u32 data;
886 	union {
887 		__u32 pad;
888 		__u32 devid;
889 	};
890 };
891 
892 struct kvm_irq_routing_s390_adapter {
893 	__u64 ind_addr;
894 	__u64 summary_addr;
895 	__u64 ind_offset;
896 	__u32 summary_offset;
897 	__u32 adapter_id;
898 };
899 
900 struct kvm_irq_routing_hv_sint {
901 	__u32 vcpu;
902 	__u32 sint;
903 };
904 
905 /* gsi routing entry types */
906 #define KVM_IRQ_ROUTING_IRQCHIP 1
907 #define KVM_IRQ_ROUTING_MSI 2
908 #define KVM_IRQ_ROUTING_S390_ADAPTER 3
909 #define KVM_IRQ_ROUTING_HV_SINT 4
910 
911 struct kvm_irq_routing_entry {
912 	__u32 gsi;
913 	__u32 type;
914 	__u32 flags;
915 	__u32 pad;
916 	union {
917 		struct kvm_irq_routing_irqchip irqchip;
918 		struct kvm_irq_routing_msi msi;
919 		struct kvm_irq_routing_s390_adapter adapter;
920 		struct kvm_irq_routing_hv_sint hv_sint;
921 		__u32 pad[8];
922 	} u;
923 };
924 
925 struct kvm_irq_routing {
926 	__u32 nr;
927 	__u32 flags;
928 	struct kvm_irq_routing_entry entries[0];
929 };
930 
931 #endif
932 
933 #ifdef KVM_CAP_MCE
934 /* x86 MCE */
935 struct kvm_x86_mce {
936 	__u64 status;
937 	__u64 addr;
938 	__u64 misc;
939 	__u64 mcg_status;
940 	__u8 bank;
941 	__u8 pad1[7];
942 	__u64 pad2[3];
943 };
944 #endif
945 
946 #ifdef KVM_CAP_XEN_HVM
947 struct kvm_xen_hvm_config {
948 	__u32 flags;
949 	__u32 msr;
950 	__u64 blob_addr_32;
951 	__u64 blob_addr_64;
952 	__u8 blob_size_32;
953 	__u8 blob_size_64;
954 	__u8 pad2[30];
955 };
956 #endif
957 
958 #define KVM_IRQFD_FLAG_DEASSIGN (1 << 0)
959 /*
960  * Available with KVM_CAP_IRQFD_RESAMPLE
961  *
962  * KVM_IRQFD_FLAG_RESAMPLE indicates resamplefd is valid and specifies
963  * the irqfd to operate in resampling mode for level triggered interrupt
964  * emulation.  See Documentation/virtual/kvm/api.txt.
965  */
966 #define KVM_IRQFD_FLAG_RESAMPLE (1 << 1)
967 
968 struct kvm_irqfd {
969 	__u32 fd;
970 	__u32 gsi;
971 	__u32 flags;
972 	__u32 resamplefd;
973 	__u8  pad[16];
974 };
975 
976 /* For KVM_CAP_ADJUST_CLOCK */
977 
978 /* Do not use 1, KVM_CHECK_EXTENSION returned it before we had flags.  */
979 #define KVM_CLOCK_TSC_STABLE		2
980 
981 struct kvm_clock_data {
982 	__u64 clock;
983 	__u32 flags;
984 	__u32 pad[9];
985 };
986 
987 /* For KVM_CAP_SW_TLB */
988 
989 #define KVM_MMU_FSL_BOOKE_NOHV		0
990 #define KVM_MMU_FSL_BOOKE_HV		1
991 
992 struct kvm_config_tlb {
993 	__u64 params;
994 	__u64 array;
995 	__u32 mmu_type;
996 	__u32 array_len;
997 };
998 
999 struct kvm_dirty_tlb {
1000 	__u64 bitmap;
1001 	__u32 num_dirty;
1002 };
1003 
1004 /* Available with KVM_CAP_ONE_REG */
1005 
1006 #define KVM_REG_ARCH_MASK	0xff00000000000000ULL
1007 #define KVM_REG_GENERIC		0x0000000000000000ULL
1008 
1009 /*
1010  * Architecture specific registers are to be defined in arch headers and
1011  * ORed with the arch identifier.
1012  */
1013 #define KVM_REG_PPC		0x1000000000000000ULL
1014 #define KVM_REG_X86		0x2000000000000000ULL
1015 #define KVM_REG_IA64		0x3000000000000000ULL
1016 #define KVM_REG_ARM		0x4000000000000000ULL
1017 #define KVM_REG_S390		0x5000000000000000ULL
1018 #define KVM_REG_ARM64		0x6000000000000000ULL
1019 #define KVM_REG_MIPS		0x7000000000000000ULL
1020 
1021 #define KVM_REG_SIZE_SHIFT	52
1022 #define KVM_REG_SIZE_MASK	0x00f0000000000000ULL
1023 #define KVM_REG_SIZE_U8		0x0000000000000000ULL
1024 #define KVM_REG_SIZE_U16	0x0010000000000000ULL
1025 #define KVM_REG_SIZE_U32	0x0020000000000000ULL
1026 #define KVM_REG_SIZE_U64	0x0030000000000000ULL
1027 #define KVM_REG_SIZE_U128	0x0040000000000000ULL
1028 #define KVM_REG_SIZE_U256	0x0050000000000000ULL
1029 #define KVM_REG_SIZE_U512	0x0060000000000000ULL
1030 #define KVM_REG_SIZE_U1024	0x0070000000000000ULL
1031 
1032 struct kvm_reg_list {
1033 	__u64 n; /* number of regs */
1034 	__u64 reg[0];
1035 };
1036 
1037 struct kvm_one_reg {
1038 	__u64 id;
1039 	__u64 addr;
1040 };
1041 
1042 #define KVM_MSI_VALID_DEVID	(1U << 0)
1043 struct kvm_msi {
1044 	__u32 address_lo;
1045 	__u32 address_hi;
1046 	__u32 data;
1047 	__u32 flags;
1048 	__u32 devid;
1049 	__u8  pad[12];
1050 };
1051 
1052 struct kvm_arm_device_addr {
1053 	__u64 id;
1054 	__u64 addr;
1055 };
1056 
1057 /*
1058  * Device control API, available with KVM_CAP_DEVICE_CTRL
1059  */
1060 #define KVM_CREATE_DEVICE_TEST		1
1061 
1062 struct kvm_create_device {
1063 	__u32	type;	/* in: KVM_DEV_TYPE_xxx */
1064 	__u32	fd;	/* out: device handle */
1065 	__u32	flags;	/* in: KVM_CREATE_DEVICE_xxx */
1066 };
1067 
1068 struct kvm_device_attr {
1069 	__u32	flags;		/* no flags currently defined */
1070 	__u32	group;		/* device-defined */
1071 	__u64	attr;		/* group-defined */
1072 	__u64	addr;		/* userspace address of attr data */
1073 };
1074 
1075 #define  KVM_DEV_VFIO_GROUP			1
1076 #define   KVM_DEV_VFIO_GROUP_ADD			1
1077 #define   KVM_DEV_VFIO_GROUP_DEL			2
1078 
1079 enum kvm_device_type {
1080 	KVM_DEV_TYPE_FSL_MPIC_20	= 1,
1081 #define KVM_DEV_TYPE_FSL_MPIC_20	KVM_DEV_TYPE_FSL_MPIC_20
1082 	KVM_DEV_TYPE_FSL_MPIC_42,
1083 #define KVM_DEV_TYPE_FSL_MPIC_42	KVM_DEV_TYPE_FSL_MPIC_42
1084 	KVM_DEV_TYPE_XICS,
1085 #define KVM_DEV_TYPE_XICS		KVM_DEV_TYPE_XICS
1086 	KVM_DEV_TYPE_VFIO,
1087 #define KVM_DEV_TYPE_VFIO		KVM_DEV_TYPE_VFIO
1088 	KVM_DEV_TYPE_ARM_VGIC_V2,
1089 #define KVM_DEV_TYPE_ARM_VGIC_V2	KVM_DEV_TYPE_ARM_VGIC_V2
1090 	KVM_DEV_TYPE_FLIC,
1091 #define KVM_DEV_TYPE_FLIC		KVM_DEV_TYPE_FLIC
1092 	KVM_DEV_TYPE_ARM_VGIC_V3,
1093 #define KVM_DEV_TYPE_ARM_VGIC_V3	KVM_DEV_TYPE_ARM_VGIC_V3
1094 	KVM_DEV_TYPE_ARM_VGIC_ITS,
1095 #define KVM_DEV_TYPE_ARM_VGIC_ITS	KVM_DEV_TYPE_ARM_VGIC_ITS
1096 	KVM_DEV_TYPE_MAX,
1097 };
1098 
1099 /*
1100  * ioctls for VM fds
1101  */
1102 #define KVM_SET_MEMORY_REGION     _IOW(KVMIO,  0x40, struct kvm_memory_region)
1103 /*
1104  * KVM_CREATE_VCPU receives as a parameter the vcpu slot, and returns
1105  * a vcpu fd.
1106  */
1107 #define KVM_CREATE_VCPU           _IO(KVMIO,   0x41)
1108 #define KVM_GET_DIRTY_LOG         _IOW(KVMIO,  0x42, struct kvm_dirty_log)
1109 /* KVM_SET_MEMORY_ALIAS is obsolete: */
1110 #define KVM_SET_MEMORY_ALIAS      _IOW(KVMIO,  0x43, struct kvm_memory_alias)
1111 #define KVM_SET_NR_MMU_PAGES      _IO(KVMIO,   0x44)
1112 #define KVM_GET_NR_MMU_PAGES      _IO(KVMIO,   0x45)
1113 #define KVM_SET_USER_MEMORY_REGION _IOW(KVMIO, 0x46, \
1114 					struct kvm_userspace_memory_region)
1115 #define KVM_SET_TSS_ADDR          _IO(KVMIO,   0x47)
1116 #define KVM_SET_IDENTITY_MAP_ADDR _IOW(KVMIO,  0x48, __u64)
1117 
1118 /* enable ucontrol for s390 */
1119 struct kvm_s390_ucas_mapping {
1120 	__u64 user_addr;
1121 	__u64 vcpu_addr;
1122 	__u64 length;
1123 };
1124 #define KVM_S390_UCAS_MAP        _IOW(KVMIO, 0x50, struct kvm_s390_ucas_mapping)
1125 #define KVM_S390_UCAS_UNMAP      _IOW(KVMIO, 0x51, struct kvm_s390_ucas_mapping)
1126 #define KVM_S390_VCPU_FAULT	 _IOW(KVMIO, 0x52, unsigned long)
1127 
1128 /* Device model IOC */
1129 #define KVM_CREATE_IRQCHIP        _IO(KVMIO,   0x60)
1130 #define KVM_IRQ_LINE              _IOW(KVMIO,  0x61, struct kvm_irq_level)
1131 #define KVM_GET_IRQCHIP           _IOWR(KVMIO, 0x62, struct kvm_irqchip)
1132 #define KVM_SET_IRQCHIP           _IOR(KVMIO,  0x63, struct kvm_irqchip)
1133 #define KVM_CREATE_PIT            _IO(KVMIO,   0x64)
1134 #define KVM_GET_PIT               _IOWR(KVMIO, 0x65, struct kvm_pit_state)
1135 #define KVM_SET_PIT               _IOR(KVMIO,  0x66, struct kvm_pit_state)
1136 #define KVM_IRQ_LINE_STATUS       _IOWR(KVMIO, 0x67, struct kvm_irq_level)
1137 #define KVM_REGISTER_COALESCED_MMIO \
1138 			_IOW(KVMIO,  0x67, struct kvm_coalesced_mmio_zone)
1139 #define KVM_UNREGISTER_COALESCED_MMIO \
1140 			_IOW(KVMIO,  0x68, struct kvm_coalesced_mmio_zone)
1141 #define KVM_ASSIGN_PCI_DEVICE     _IOR(KVMIO,  0x69, \
1142 				       struct kvm_assigned_pci_dev)
1143 #define KVM_SET_GSI_ROUTING       _IOW(KVMIO,  0x6a, struct kvm_irq_routing)
1144 /* deprecated, replaced by KVM_ASSIGN_DEV_IRQ */
1145 #define KVM_ASSIGN_IRQ            __KVM_DEPRECATED_VM_R_0x70
1146 #define KVM_ASSIGN_DEV_IRQ        _IOW(KVMIO,  0x70, struct kvm_assigned_irq)
1147 #define KVM_REINJECT_CONTROL      _IO(KVMIO,   0x71)
1148 #define KVM_DEASSIGN_PCI_DEVICE   _IOW(KVMIO,  0x72, \
1149 				       struct kvm_assigned_pci_dev)
1150 #define KVM_ASSIGN_SET_MSIX_NR    _IOW(KVMIO,  0x73, \
1151 				       struct kvm_assigned_msix_nr)
1152 #define KVM_ASSIGN_SET_MSIX_ENTRY _IOW(KVMIO,  0x74, \
1153 				       struct kvm_assigned_msix_entry)
1154 #define KVM_DEASSIGN_DEV_IRQ      _IOW(KVMIO,  0x75, struct kvm_assigned_irq)
1155 #define KVM_IRQFD                 _IOW(KVMIO,  0x76, struct kvm_irqfd)
1156 #define KVM_CREATE_PIT2		  _IOW(KVMIO,  0x77, struct kvm_pit_config)
1157 #define KVM_SET_BOOT_CPU_ID       _IO(KVMIO,   0x78)
1158 #define KVM_IOEVENTFD             _IOW(KVMIO,  0x79, struct kvm_ioeventfd)
1159 #define KVM_XEN_HVM_CONFIG        _IOW(KVMIO,  0x7a, struct kvm_xen_hvm_config)
1160 #define KVM_SET_CLOCK             _IOW(KVMIO,  0x7b, struct kvm_clock_data)
1161 #define KVM_GET_CLOCK             _IOR(KVMIO,  0x7c, struct kvm_clock_data)
1162 /* Available with KVM_CAP_PIT_STATE2 */
1163 #define KVM_GET_PIT2              _IOR(KVMIO,  0x9f, struct kvm_pit_state2)
1164 #define KVM_SET_PIT2              _IOW(KVMIO,  0xa0, struct kvm_pit_state2)
1165 /* Available with KVM_CAP_PPC_GET_PVINFO */
1166 #define KVM_PPC_GET_PVINFO	  _IOW(KVMIO,  0xa1, struct kvm_ppc_pvinfo)
1167 /* Available with KVM_CAP_TSC_CONTROL */
1168 #define KVM_SET_TSC_KHZ           _IO(KVMIO,  0xa2)
1169 #define KVM_GET_TSC_KHZ           _IO(KVMIO,  0xa3)
1170 /* Available with KVM_CAP_PCI_2_3 */
1171 #define KVM_ASSIGN_SET_INTX_MASK  _IOW(KVMIO,  0xa4, \
1172 				       struct kvm_assigned_pci_dev)
1173 /* Available with KVM_CAP_SIGNAL_MSI */
1174 #define KVM_SIGNAL_MSI            _IOW(KVMIO,  0xa5, struct kvm_msi)
1175 /* Available with KVM_CAP_PPC_GET_SMMU_INFO */
1176 #define KVM_PPC_GET_SMMU_INFO	  _IOR(KVMIO,  0xa6, struct kvm_ppc_smmu_info)
1177 /* Available with KVM_CAP_PPC_ALLOC_HTAB */
1178 #define KVM_PPC_ALLOCATE_HTAB	  _IOWR(KVMIO, 0xa7, __u32)
1179 #define KVM_CREATE_SPAPR_TCE	  _IOW(KVMIO,  0xa8, struct kvm_create_spapr_tce)
1180 #define KVM_CREATE_SPAPR_TCE_64	  _IOW(KVMIO,  0xa8, \
1181 				       struct kvm_create_spapr_tce_64)
1182 /* Available with KVM_CAP_RMA */
1183 #define KVM_ALLOCATE_RMA	  _IOR(KVMIO,  0xa9, struct kvm_allocate_rma)
1184 /* Available with KVM_CAP_PPC_HTAB_FD */
1185 #define KVM_PPC_GET_HTAB_FD	  _IOW(KVMIO,  0xaa, struct kvm_get_htab_fd)
1186 /* Available with KVM_CAP_ARM_SET_DEVICE_ADDR */
1187 #define KVM_ARM_SET_DEVICE_ADDR	  _IOW(KVMIO,  0xab, struct kvm_arm_device_addr)
1188 /* Available with KVM_CAP_PPC_RTAS */
1189 #define KVM_PPC_RTAS_DEFINE_TOKEN _IOW(KVMIO,  0xac, struct kvm_rtas_token_args)
1190 
1191 /* ioctl for vm fd */
1192 #define KVM_CREATE_DEVICE	  _IOWR(KVMIO,  0xe0, struct kvm_create_device)
1193 
1194 /* ioctls for fds returned by KVM_CREATE_DEVICE */
1195 #define KVM_SET_DEVICE_ATTR	  _IOW(KVMIO,  0xe1, struct kvm_device_attr)
1196 #define KVM_GET_DEVICE_ATTR	  _IOW(KVMIO,  0xe2, struct kvm_device_attr)
1197 #define KVM_HAS_DEVICE_ATTR	  _IOW(KVMIO,  0xe3, struct kvm_device_attr)
1198 
1199 /*
1200  * ioctls for vcpu fds
1201  */
1202 #define KVM_RUN                   _IO(KVMIO,   0x80)
1203 #define KVM_GET_REGS              _IOR(KVMIO,  0x81, struct kvm_regs)
1204 #define KVM_SET_REGS              _IOW(KVMIO,  0x82, struct kvm_regs)
1205 #define KVM_GET_SREGS             _IOR(KVMIO,  0x83, struct kvm_sregs)
1206 #define KVM_SET_SREGS             _IOW(KVMIO,  0x84, struct kvm_sregs)
1207 #define KVM_TRANSLATE             _IOWR(KVMIO, 0x85, struct kvm_translation)
1208 #define KVM_INTERRUPT             _IOW(KVMIO,  0x86, struct kvm_interrupt)
1209 /* KVM_DEBUG_GUEST is no longer supported, use KVM_SET_GUEST_DEBUG instead */
1210 #define KVM_DEBUG_GUEST           __KVM_DEPRECATED_VCPU_W_0x87
1211 #define KVM_GET_MSRS              _IOWR(KVMIO, 0x88, struct kvm_msrs)
1212 #define KVM_SET_MSRS              _IOW(KVMIO,  0x89, struct kvm_msrs)
1213 #define KVM_SET_CPUID             _IOW(KVMIO,  0x8a, struct kvm_cpuid)
1214 #define KVM_SET_SIGNAL_MASK       _IOW(KVMIO,  0x8b, struct kvm_signal_mask)
1215 #define KVM_GET_FPU               _IOR(KVMIO,  0x8c, struct kvm_fpu)
1216 #define KVM_SET_FPU               _IOW(KVMIO,  0x8d, struct kvm_fpu)
1217 #define KVM_GET_LAPIC             _IOR(KVMIO,  0x8e, struct kvm_lapic_state)
1218 #define KVM_SET_LAPIC             _IOW(KVMIO,  0x8f, struct kvm_lapic_state)
1219 #define KVM_SET_CPUID2            _IOW(KVMIO,  0x90, struct kvm_cpuid2)
1220 #define KVM_GET_CPUID2            _IOWR(KVMIO, 0x91, struct kvm_cpuid2)
1221 /* Available with KVM_CAP_VAPIC */
1222 #define KVM_TPR_ACCESS_REPORTING  _IOWR(KVMIO, 0x92, struct kvm_tpr_access_ctl)
1223 /* Available with KVM_CAP_VAPIC */
1224 #define KVM_SET_VAPIC_ADDR        _IOW(KVMIO,  0x93, struct kvm_vapic_addr)
1225 /* valid for virtual machine (for floating interrupt)_and_ vcpu */
1226 #define KVM_S390_INTERRUPT        _IOW(KVMIO,  0x94, struct kvm_s390_interrupt)
1227 /* store status for s390 */
1228 #define KVM_S390_STORE_STATUS_NOADDR    (-1ul)
1229 #define KVM_S390_STORE_STATUS_PREFIXED  (-2ul)
1230 #define KVM_S390_STORE_STATUS	  _IOW(KVMIO,  0x95, unsigned long)
1231 /* initial ipl psw for s390 */
1232 #define KVM_S390_SET_INITIAL_PSW  _IOW(KVMIO,  0x96, struct kvm_s390_psw)
1233 /* initial reset for s390 */
1234 #define KVM_S390_INITIAL_RESET    _IO(KVMIO,   0x97)
1235 #define KVM_GET_MP_STATE          _IOR(KVMIO,  0x98, struct kvm_mp_state)
1236 #define KVM_SET_MP_STATE          _IOW(KVMIO,  0x99, struct kvm_mp_state)
1237 /* Available with KVM_CAP_USER_NMI */
1238 #define KVM_NMI                   _IO(KVMIO,   0x9a)
1239 /* Available with KVM_CAP_SET_GUEST_DEBUG */
1240 #define KVM_SET_GUEST_DEBUG       _IOW(KVMIO,  0x9b, struct kvm_guest_debug)
1241 /* MCE for x86 */
1242 #define KVM_X86_SETUP_MCE         _IOW(KVMIO,  0x9c, __u64)
1243 #define KVM_X86_GET_MCE_CAP_SUPPORTED _IOR(KVMIO,  0x9d, __u64)
1244 #define KVM_X86_SET_MCE           _IOW(KVMIO,  0x9e, struct kvm_x86_mce)
1245 /* Available with KVM_CAP_VCPU_EVENTS */
1246 #define KVM_GET_VCPU_EVENTS       _IOR(KVMIO,  0x9f, struct kvm_vcpu_events)
1247 #define KVM_SET_VCPU_EVENTS       _IOW(KVMIO,  0xa0, struct kvm_vcpu_events)
1248 /* Available with KVM_CAP_DEBUGREGS */
1249 #define KVM_GET_DEBUGREGS         _IOR(KVMIO,  0xa1, struct kvm_debugregs)
1250 #define KVM_SET_DEBUGREGS         _IOW(KVMIO,  0xa2, struct kvm_debugregs)
1251 /*
1252  * vcpu version available with KVM_ENABLE_CAP
1253  * vm version available with KVM_CAP_ENABLE_CAP_VM
1254  */
1255 #define KVM_ENABLE_CAP            _IOW(KVMIO,  0xa3, struct kvm_enable_cap)
1256 /* Available with KVM_CAP_XSAVE */
1257 #define KVM_GET_XSAVE		  _IOR(KVMIO,  0xa4, struct kvm_xsave)
1258 #define KVM_SET_XSAVE		  _IOW(KVMIO,  0xa5, struct kvm_xsave)
1259 /* Available with KVM_CAP_XCRS */
1260 #define KVM_GET_XCRS		  _IOR(KVMIO,  0xa6, struct kvm_xcrs)
1261 #define KVM_SET_XCRS		  _IOW(KVMIO,  0xa7, struct kvm_xcrs)
1262 /* Available with KVM_CAP_SW_TLB */
1263 #define KVM_DIRTY_TLB		  _IOW(KVMIO,  0xaa, struct kvm_dirty_tlb)
1264 /* Available with KVM_CAP_ONE_REG */
1265 #define KVM_GET_ONE_REG		  _IOW(KVMIO,  0xab, struct kvm_one_reg)
1266 #define KVM_SET_ONE_REG		  _IOW(KVMIO,  0xac, struct kvm_one_reg)
1267 /* VM is being stopped by host */
1268 #define KVM_KVMCLOCK_CTRL	  _IO(KVMIO,   0xad)
1269 #define KVM_ARM_VCPU_INIT	  _IOW(KVMIO,  0xae, struct kvm_vcpu_init)
1270 #define KVM_ARM_PREFERRED_TARGET  _IOR(KVMIO,  0xaf, struct kvm_vcpu_init)
1271 #define KVM_GET_REG_LIST	  _IOWR(KVMIO, 0xb0, struct kvm_reg_list)
1272 /* Available with KVM_CAP_S390_MEM_OP */
1273 #define KVM_S390_MEM_OP		  _IOW(KVMIO,  0xb1, struct kvm_s390_mem_op)
1274 /* Available with KVM_CAP_S390_SKEYS */
1275 #define KVM_S390_GET_SKEYS      _IOW(KVMIO, 0xb2, struct kvm_s390_skeys)
1276 #define KVM_S390_SET_SKEYS      _IOW(KVMIO, 0xb3, struct kvm_s390_skeys)
1277 /* Available with KVM_CAP_S390_INJECT_IRQ */
1278 #define KVM_S390_IRQ              _IOW(KVMIO,  0xb4, struct kvm_s390_irq)
1279 /* Available with KVM_CAP_S390_IRQ_STATE */
1280 #define KVM_S390_SET_IRQ_STATE	  _IOW(KVMIO, 0xb5, struct kvm_s390_irq_state)
1281 #define KVM_S390_GET_IRQ_STATE	  _IOW(KVMIO, 0xb6, struct kvm_s390_irq_state)
1282 /* Available with KVM_CAP_X86_SMM */
1283 #define KVM_SMI                   _IO(KVMIO,   0xb7)
1284 
1285 #define KVM_DEV_ASSIGN_ENABLE_IOMMU	(1 << 0)
1286 #define KVM_DEV_ASSIGN_PCI_2_3		(1 << 1)
1287 #define KVM_DEV_ASSIGN_MASK_INTX	(1 << 2)
1288 
1289 struct kvm_assigned_pci_dev {
1290 	__u32 assigned_dev_id;
1291 	__u32 busnr;
1292 	__u32 devfn;
1293 	__u32 flags;
1294 	__u32 segnr;
1295 	union {
1296 		__u32 reserved[11];
1297 	};
1298 };
1299 
1300 #define KVM_DEV_IRQ_HOST_INTX    (1 << 0)
1301 #define KVM_DEV_IRQ_HOST_MSI     (1 << 1)
1302 #define KVM_DEV_IRQ_HOST_MSIX    (1 << 2)
1303 
1304 #define KVM_DEV_IRQ_GUEST_INTX   (1 << 8)
1305 #define KVM_DEV_IRQ_GUEST_MSI    (1 << 9)
1306 #define KVM_DEV_IRQ_GUEST_MSIX   (1 << 10)
1307 
1308 #define KVM_DEV_IRQ_HOST_MASK	 0x00ff
1309 #define KVM_DEV_IRQ_GUEST_MASK   0xff00
1310 
1311 struct kvm_assigned_irq {
1312 	__u32 assigned_dev_id;
1313 	__u32 host_irq; /* ignored (legacy field) */
1314 	__u32 guest_irq;
1315 	__u32 flags;
1316 	union {
1317 		__u32 reserved[12];
1318 	};
1319 };
1320 
1321 struct kvm_assigned_msix_nr {
1322 	__u32 assigned_dev_id;
1323 	__u16 entry_nr;
1324 	__u16 padding;
1325 };
1326 
1327 #define KVM_MAX_MSIX_PER_DEV		256
1328 struct kvm_assigned_msix_entry {
1329 	__u32 assigned_dev_id;
1330 	__u32 gsi;
1331 	__u16 entry; /* The index of entry in the MSI-X table */
1332 	__u16 padding[3];
1333 };
1334 
1335 #define KVM_X2APIC_API_USE_32BIT_IDS            (1ULL << 0)
1336 #define KVM_X2APIC_API_DISABLE_BROADCAST_QUIRK  (1ULL << 1)
1337 
1338 #endif /* __LINUX_KVM_H */
1339