1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
2 #ifndef __LINUX_KVM_H
3 #define __LINUX_KVM_H
4 
5 /*
6  * Userspace interface for /dev/kvm - kernel based virtual machine
7  *
8  * Note: you must update KVM_API_VERSION if you change this interface.
9  */
10 
11 #include <linux/types.h>
12 
13 #include <linux/ioctl.h>
14 #include <asm/kvm.h>
15 
16 #define KVM_API_VERSION 12
17 
18 /* *** Deprecated interfaces *** */
19 
20 #define KVM_TRC_SHIFT           16
21 
22 #define KVM_TRC_ENTRYEXIT       (1 << KVM_TRC_SHIFT)
23 #define KVM_TRC_HANDLER         (1 << (KVM_TRC_SHIFT + 1))
24 
25 #define KVM_TRC_VMENTRY         (KVM_TRC_ENTRYEXIT + 0x01)
26 #define KVM_TRC_VMEXIT          (KVM_TRC_ENTRYEXIT + 0x02)
27 #define KVM_TRC_PAGE_FAULT      (KVM_TRC_HANDLER + 0x01)
28 
29 #define KVM_TRC_HEAD_SIZE       12
30 #define KVM_TRC_CYCLE_SIZE      8
31 #define KVM_TRC_EXTRA_MAX       7
32 
33 #define KVM_TRC_INJ_VIRQ         (KVM_TRC_HANDLER + 0x02)
34 #define KVM_TRC_REDELIVER_EVT    (KVM_TRC_HANDLER + 0x03)
35 #define KVM_TRC_PEND_INTR        (KVM_TRC_HANDLER + 0x04)
36 #define KVM_TRC_IO_READ          (KVM_TRC_HANDLER + 0x05)
37 #define KVM_TRC_IO_WRITE         (KVM_TRC_HANDLER + 0x06)
38 #define KVM_TRC_CR_READ          (KVM_TRC_HANDLER + 0x07)
39 #define KVM_TRC_CR_WRITE         (KVM_TRC_HANDLER + 0x08)
40 #define KVM_TRC_DR_READ          (KVM_TRC_HANDLER + 0x09)
41 #define KVM_TRC_DR_WRITE         (KVM_TRC_HANDLER + 0x0A)
42 #define KVM_TRC_MSR_READ         (KVM_TRC_HANDLER + 0x0B)
43 #define KVM_TRC_MSR_WRITE        (KVM_TRC_HANDLER + 0x0C)
44 #define KVM_TRC_CPUID            (KVM_TRC_HANDLER + 0x0D)
45 #define KVM_TRC_INTR             (KVM_TRC_HANDLER + 0x0E)
46 #define KVM_TRC_NMI              (KVM_TRC_HANDLER + 0x0F)
47 #define KVM_TRC_VMMCALL          (KVM_TRC_HANDLER + 0x10)
48 #define KVM_TRC_HLT              (KVM_TRC_HANDLER + 0x11)
49 #define KVM_TRC_CLTS             (KVM_TRC_HANDLER + 0x12)
50 #define KVM_TRC_LMSW             (KVM_TRC_HANDLER + 0x13)
51 #define KVM_TRC_APIC_ACCESS      (KVM_TRC_HANDLER + 0x14)
52 #define KVM_TRC_TDP_FAULT        (KVM_TRC_HANDLER + 0x15)
53 #define KVM_TRC_GTLB_WRITE       (KVM_TRC_HANDLER + 0x16)
54 #define KVM_TRC_STLB_WRITE       (KVM_TRC_HANDLER + 0x17)
55 #define KVM_TRC_STLB_INVAL       (KVM_TRC_HANDLER + 0x18)
56 #define KVM_TRC_PPC_INSTR        (KVM_TRC_HANDLER + 0x19)
57 
58 struct kvm_user_trace_setup {
59 	__u32 buf_size;
60 	__u32 buf_nr;
61 };
62 
63 #define __KVM_DEPRECATED_MAIN_W_0x06 \
64 	_IOW(KVMIO, 0x06, struct kvm_user_trace_setup)
65 #define __KVM_DEPRECATED_MAIN_0x07 _IO(KVMIO, 0x07)
66 #define __KVM_DEPRECATED_MAIN_0x08 _IO(KVMIO, 0x08)
67 
68 #define __KVM_DEPRECATED_VM_R_0x70 _IOR(KVMIO, 0x70, struct kvm_assigned_irq)
69 
70 struct kvm_breakpoint {
71 	__u32 enabled;
72 	__u32 padding;
73 	__u64 address;
74 };
75 
76 struct kvm_debug_guest {
77 	__u32 enabled;
78 	__u32 pad;
79 	struct kvm_breakpoint breakpoints[4];
80 	__u32 singlestep;
81 };
82 
83 #define __KVM_DEPRECATED_VCPU_W_0x87 _IOW(KVMIO, 0x87, struct kvm_debug_guest)
84 
85 /* *** End of deprecated interfaces *** */
86 
87 
88 /* for KVM_CREATE_MEMORY_REGION */
89 struct kvm_memory_region {
90 	__u32 slot;
91 	__u32 flags;
92 	__u64 guest_phys_addr;
93 	__u64 memory_size; /* bytes */
94 };
95 
96 /* for KVM_SET_USER_MEMORY_REGION */
97 struct kvm_userspace_memory_region {
98 	__u32 slot;
99 	__u32 flags;
100 	__u64 guest_phys_addr;
101 	__u64 memory_size; /* bytes */
102 	__u64 userspace_addr; /* start of the userspace allocated memory */
103 };
104 
105 /*
106  * The bit 0 ~ bit 15 of kvm_memory_region::flags are visible for userspace,
107  * other bits are reserved for kvm internal use which are defined in
108  * include/linux/kvm_host.h.
109  */
110 #define KVM_MEM_LOG_DIRTY_PAGES	(1UL << 0)
111 #define KVM_MEM_READONLY	(1UL << 1)
112 
113 /* for KVM_IRQ_LINE */
114 struct kvm_irq_level {
115 	/*
116 	 * ACPI gsi notion of irq.
117 	 * For IA-64 (APIC model) IOAPIC0: irq 0-23; IOAPIC1: irq 24-47..
118 	 * For X86 (standard AT mode) PIC0/1: irq 0-15. IOAPIC0: 0-23..
119 	 * For ARM: See Documentation/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 	union {
193 		struct {
194 			__u32 msr;
195 			__u64 control;
196 			__u64 evt_page;
197 			__u64 msg_page;
198 		} synic;
199 		struct {
200 			__u64 input;
201 			__u64 result;
202 			__u64 params[2];
203 		} hcall;
204 	} u;
205 };
206 
207 #define KVM_S390_GET_SKEYS_NONE   1
208 #define KVM_S390_SKEYS_MAX        1048576
209 
210 #define KVM_EXIT_UNKNOWN          0
211 #define KVM_EXIT_EXCEPTION        1
212 #define KVM_EXIT_IO               2
213 #define KVM_EXIT_HYPERCALL        3
214 #define KVM_EXIT_DEBUG            4
215 #define KVM_EXIT_HLT              5
216 #define KVM_EXIT_MMIO             6
217 #define KVM_EXIT_IRQ_WINDOW_OPEN  7
218 #define KVM_EXIT_SHUTDOWN         8
219 #define KVM_EXIT_FAIL_ENTRY       9
220 #define KVM_EXIT_INTR             10
221 #define KVM_EXIT_SET_TPR          11
222 #define KVM_EXIT_TPR_ACCESS       12
223 #define KVM_EXIT_S390_SIEIC       13
224 #define KVM_EXIT_S390_RESET       14
225 #define KVM_EXIT_DCR              15 /* deprecated */
226 #define KVM_EXIT_NMI              16
227 #define KVM_EXIT_INTERNAL_ERROR   17
228 #define KVM_EXIT_OSI              18
229 #define KVM_EXIT_PAPR_HCALL	  19
230 #define KVM_EXIT_S390_UCONTROL	  20
231 #define KVM_EXIT_WATCHDOG         21
232 #define KVM_EXIT_S390_TSCH        22
233 #define KVM_EXIT_EPR              23
234 #define KVM_EXIT_SYSTEM_EVENT     24
235 #define KVM_EXIT_S390_STSI        25
236 #define KVM_EXIT_IOAPIC_EOI       26
237 #define KVM_EXIT_HYPERV           27
238 
239 /* For KVM_EXIT_INTERNAL_ERROR */
240 /* Emulate instruction failed. */
241 #define KVM_INTERNAL_ERROR_EMULATION	1
242 /* Encounter unexpected simultaneous exceptions. */
243 #define KVM_INTERNAL_ERROR_SIMUL_EX	2
244 /* Encounter unexpected vm-exit due to delivery event. */
245 #define KVM_INTERNAL_ERROR_DELIVERY_EV	3
246 
247 /* for KVM_RUN, returned by mmap(vcpu_fd, offset=0) */
248 struct kvm_run {
249 	/* in */
250 	__u8 request_interrupt_window;
251 	__u8 immediate_exit;
252 	__u8 padding1[6];
253 
254 	/* out */
255 	__u32 exit_reason;
256 	__u8 ready_for_interrupt_injection;
257 	__u8 if_flag;
258 	__u16 flags;
259 
260 	/* in (pre_kvm_run), out (post_kvm_run) */
261 	__u64 cr8;
262 	__u64 apic_base;
263 
264 #ifdef __KVM_S390
265 	/* the processor status word for s390 */
266 	__u64 psw_mask; /* psw upper half */
267 	__u64 psw_addr; /* psw lower half */
268 #endif
269 	union {
270 		/* KVM_EXIT_UNKNOWN */
271 		struct {
272 			__u64 hardware_exit_reason;
273 		} hw;
274 		/* KVM_EXIT_FAIL_ENTRY */
275 		struct {
276 			__u64 hardware_entry_failure_reason;
277 		} fail_entry;
278 		/* KVM_EXIT_EXCEPTION */
279 		struct {
280 			__u32 exception;
281 			__u32 error_code;
282 		} ex;
283 		/* KVM_EXIT_IO */
284 		struct {
285 #define KVM_EXIT_IO_IN  0
286 #define KVM_EXIT_IO_OUT 1
287 			__u8 direction;
288 			__u8 size; /* bytes */
289 			__u16 port;
290 			__u32 count;
291 			__u64 data_offset; /* relative to kvm_run start */
292 		} io;
293 		/* KVM_EXIT_DEBUG */
294 		struct {
295 			struct kvm_debug_exit_arch arch;
296 		} debug;
297 		/* KVM_EXIT_MMIO */
298 		struct {
299 			__u64 phys_addr;
300 			__u8  data[8];
301 			__u32 len;
302 			__u8  is_write;
303 		} mmio;
304 		/* KVM_EXIT_HYPERCALL */
305 		struct {
306 			__u64 nr;
307 			__u64 args[6];
308 			__u64 ret;
309 			__u32 longmode;
310 			__u32 pad;
311 		} hypercall;
312 		/* KVM_EXIT_TPR_ACCESS */
313 		struct {
314 			__u64 rip;
315 			__u32 is_write;
316 			__u32 pad;
317 		} tpr_access;
318 		/* KVM_EXIT_S390_SIEIC */
319 		struct {
320 			__u8 icptcode;
321 			__u16 ipa;
322 			__u32 ipb;
323 		} s390_sieic;
324 		/* KVM_EXIT_S390_RESET */
325 #define KVM_S390_RESET_POR       1
326 #define KVM_S390_RESET_CLEAR     2
327 #define KVM_S390_RESET_SUBSYSTEM 4
328 #define KVM_S390_RESET_CPU_INIT  8
329 #define KVM_S390_RESET_IPL       16
330 		__u64 s390_reset_flags;
331 		/* KVM_EXIT_S390_UCONTROL */
332 		struct {
333 			__u64 trans_exc_code;
334 			__u32 pgm_code;
335 		} s390_ucontrol;
336 		/* KVM_EXIT_DCR (deprecated) */
337 		struct {
338 			__u32 dcrn;
339 			__u32 data;
340 			__u8  is_write;
341 		} dcr;
342 		/* KVM_EXIT_INTERNAL_ERROR */
343 		struct {
344 			__u32 suberror;
345 			/* Available with KVM_CAP_INTERNAL_ERROR_DATA: */
346 			__u32 ndata;
347 			__u64 data[16];
348 		} internal;
349 		/* KVM_EXIT_OSI */
350 		struct {
351 			__u64 gprs[32];
352 		} osi;
353 		/* KVM_EXIT_PAPR_HCALL */
354 		struct {
355 			__u64 nr;
356 			__u64 ret;
357 			__u64 args[9];
358 		} papr_hcall;
359 		/* KVM_EXIT_S390_TSCH */
360 		struct {
361 			__u16 subchannel_id;
362 			__u16 subchannel_nr;
363 			__u32 io_int_parm;
364 			__u32 io_int_word;
365 			__u32 ipb;
366 			__u8 dequeued;
367 		} s390_tsch;
368 		/* KVM_EXIT_EPR */
369 		struct {
370 			__u32 epr;
371 		} epr;
372 		/* KVM_EXIT_SYSTEM_EVENT */
373 		struct {
374 #define KVM_SYSTEM_EVENT_SHUTDOWN       1
375 #define KVM_SYSTEM_EVENT_RESET          2
376 #define KVM_SYSTEM_EVENT_CRASH          3
377 			__u32 type;
378 			__u64 flags;
379 		} system_event;
380 		/* KVM_EXIT_S390_STSI */
381 		struct {
382 			__u64 addr;
383 			__u8 ar;
384 			__u8 reserved;
385 			__u8 fc;
386 			__u8 sel1;
387 			__u16 sel2;
388 		} s390_stsi;
389 		/* KVM_EXIT_IOAPIC_EOI */
390 		struct {
391 			__u8 vector;
392 		} eoi;
393 		/* KVM_EXIT_HYPERV */
394 		struct kvm_hyperv_exit hyperv;
395 		/* Fix the size of the union. */
396 		char padding[256];
397 	};
398 
399 	/* 2048 is the size of the char array used to bound/pad the size
400 	 * of the union that holds sync regs.
401 	 */
402 	#define SYNC_REGS_SIZE_BYTES 2048
403 	/*
404 	 * shared registers between kvm and userspace.
405 	 * kvm_valid_regs specifies the register classes set by the host
406 	 * kvm_dirty_regs specified the register classes dirtied by userspace
407 	 * struct kvm_sync_regs is architecture specific, as well as the
408 	 * bits for kvm_valid_regs and kvm_dirty_regs
409 	 */
410 	__u64 kvm_valid_regs;
411 	__u64 kvm_dirty_regs;
412 	union {
413 		struct kvm_sync_regs regs;
414 		char padding[SYNC_REGS_SIZE_BYTES];
415 	} s;
416 };
417 
418 /* for KVM_REGISTER_COALESCED_MMIO / KVM_UNREGISTER_COALESCED_MMIO */
419 
420 struct kvm_coalesced_mmio_zone {
421 	__u64 addr;
422 	__u32 size;
423 	union {
424 		__u32 pad;
425 		__u32 pio;
426 	};
427 };
428 
429 struct kvm_coalesced_mmio {
430 	__u64 phys_addr;
431 	__u32 len;
432 	union {
433 		__u32 pad;
434 		__u32 pio;
435 	};
436 	__u8  data[8];
437 };
438 
439 struct kvm_coalesced_mmio_ring {
440 	__u32 first, last;
441 	struct kvm_coalesced_mmio coalesced_mmio[0];
442 };
443 
444 #define KVM_COALESCED_MMIO_MAX \
445 	((PAGE_SIZE - sizeof(struct kvm_coalesced_mmio_ring)) / \
446 	 sizeof(struct kvm_coalesced_mmio))
447 
448 /* for KVM_TRANSLATE */
449 struct kvm_translation {
450 	/* in */
451 	__u64 linear_address;
452 
453 	/* out */
454 	__u64 physical_address;
455 	__u8  valid;
456 	__u8  writeable;
457 	__u8  usermode;
458 	__u8  pad[5];
459 };
460 
461 /* for KVM_S390_MEM_OP */
462 struct kvm_s390_mem_op {
463 	/* in */
464 	__u64 gaddr;		/* the guest address */
465 	__u64 flags;		/* flags */
466 	__u32 size;		/* amount of bytes */
467 	__u32 op;		/* type of operation */
468 	__u64 buf;		/* buffer in userspace */
469 	__u8 ar;		/* the access register number */
470 	__u8 reserved[31];	/* should be set to 0 */
471 };
472 /* types for kvm_s390_mem_op->op */
473 #define KVM_S390_MEMOP_LOGICAL_READ	0
474 #define KVM_S390_MEMOP_LOGICAL_WRITE	1
475 /* flags for kvm_s390_mem_op->flags */
476 #define KVM_S390_MEMOP_F_CHECK_ONLY		(1ULL << 0)
477 #define KVM_S390_MEMOP_F_INJECT_EXCEPTION	(1ULL << 1)
478 
479 /* for KVM_INTERRUPT */
480 struct kvm_interrupt {
481 	/* in */
482 	__u32 irq;
483 };
484 
485 /* for KVM_GET_DIRTY_LOG */
486 struct kvm_dirty_log {
487 	__u32 slot;
488 	__u32 padding1;
489 	union {
490 		void *dirty_bitmap; /* one bit per page */
491 		__u64 padding2;
492 	};
493 };
494 
495 /* for KVM_SET_SIGNAL_MASK */
496 struct kvm_signal_mask {
497 	__u32 len;
498 	__u8  sigset[0];
499 };
500 
501 /* for KVM_TPR_ACCESS_REPORTING */
502 struct kvm_tpr_access_ctl {
503 	__u32 enabled;
504 	__u32 flags;
505 	__u32 reserved[8];
506 };
507 
508 /* for KVM_SET_VAPIC_ADDR */
509 struct kvm_vapic_addr {
510 	__u64 vapic_addr;
511 };
512 
513 /* for KVM_SET_MP_STATE */
514 
515 /* not all states are valid on all architectures */
516 #define KVM_MP_STATE_RUNNABLE          0
517 #define KVM_MP_STATE_UNINITIALIZED     1
518 #define KVM_MP_STATE_INIT_RECEIVED     2
519 #define KVM_MP_STATE_HALTED            3
520 #define KVM_MP_STATE_SIPI_RECEIVED     4
521 #define KVM_MP_STATE_STOPPED           5
522 #define KVM_MP_STATE_CHECK_STOP        6
523 #define KVM_MP_STATE_OPERATING         7
524 #define KVM_MP_STATE_LOAD              8
525 
526 struct kvm_mp_state {
527 	__u32 mp_state;
528 };
529 
530 struct kvm_s390_psw {
531 	__u64 mask;
532 	__u64 addr;
533 };
534 
535 /* valid values for type in kvm_s390_interrupt */
536 #define KVM_S390_SIGP_STOP		0xfffe0000u
537 #define KVM_S390_PROGRAM_INT		0xfffe0001u
538 #define KVM_S390_SIGP_SET_PREFIX	0xfffe0002u
539 #define KVM_S390_RESTART		0xfffe0003u
540 #define KVM_S390_INT_PFAULT_INIT	0xfffe0004u
541 #define KVM_S390_INT_PFAULT_DONE	0xfffe0005u
542 #define KVM_S390_MCHK			0xfffe1000u
543 #define KVM_S390_INT_CLOCK_COMP		0xffff1004u
544 #define KVM_S390_INT_CPU_TIMER		0xffff1005u
545 #define KVM_S390_INT_VIRTIO		0xffff2603u
546 #define KVM_S390_INT_SERVICE		0xffff2401u
547 #define KVM_S390_INT_EMERGENCY		0xffff1201u
548 #define KVM_S390_INT_EXTERNAL_CALL	0xffff1202u
549 /* Anything below 0xfffe0000u is taken by INT_IO */
550 #define KVM_S390_INT_IO(ai,cssid,ssid,schid)   \
551 	(((schid)) |			       \
552 	 ((ssid) << 16) |		       \
553 	 ((cssid) << 18) |		       \
554 	 ((ai) << 26))
555 #define KVM_S390_INT_IO_MIN		0x00000000u
556 #define KVM_S390_INT_IO_MAX		0xfffdffffu
557 #define KVM_S390_INT_IO_AI_MASK		0x04000000u
558 
559 
560 struct kvm_s390_interrupt {
561 	__u32 type;
562 	__u32 parm;
563 	__u64 parm64;
564 };
565 
566 struct kvm_s390_io_info {
567 	__u16 subchannel_id;
568 	__u16 subchannel_nr;
569 	__u32 io_int_parm;
570 	__u32 io_int_word;
571 };
572 
573 struct kvm_s390_ext_info {
574 	__u32 ext_params;
575 	__u32 pad;
576 	__u64 ext_params2;
577 };
578 
579 struct kvm_s390_pgm_info {
580 	__u64 trans_exc_code;
581 	__u64 mon_code;
582 	__u64 per_address;
583 	__u32 data_exc_code;
584 	__u16 code;
585 	__u16 mon_class_nr;
586 	__u8 per_code;
587 	__u8 per_atmid;
588 	__u8 exc_access_id;
589 	__u8 per_access_id;
590 	__u8 op_access_id;
591 #define KVM_S390_PGM_FLAGS_ILC_VALID	0x01
592 #define KVM_S390_PGM_FLAGS_ILC_0	0x02
593 #define KVM_S390_PGM_FLAGS_ILC_1	0x04
594 #define KVM_S390_PGM_FLAGS_ILC_MASK	0x06
595 #define KVM_S390_PGM_FLAGS_NO_REWIND	0x08
596 	__u8 flags;
597 	__u8 pad[2];
598 };
599 
600 struct kvm_s390_prefix_info {
601 	__u32 address;
602 };
603 
604 struct kvm_s390_extcall_info {
605 	__u16 code;
606 };
607 
608 struct kvm_s390_emerg_info {
609 	__u16 code;
610 };
611 
612 #define KVM_S390_STOP_FLAG_STORE_STATUS	0x01
613 struct kvm_s390_stop_info {
614 	__u32 flags;
615 };
616 
617 struct kvm_s390_mchk_info {
618 	__u64 cr14;
619 	__u64 mcic;
620 	__u64 failing_storage_address;
621 	__u32 ext_damage_code;
622 	__u32 pad;
623 	__u8 fixed_logout[16];
624 };
625 
626 struct kvm_s390_irq {
627 	__u64 type;
628 	union {
629 		struct kvm_s390_io_info io;
630 		struct kvm_s390_ext_info ext;
631 		struct kvm_s390_pgm_info pgm;
632 		struct kvm_s390_emerg_info emerg;
633 		struct kvm_s390_extcall_info extcall;
634 		struct kvm_s390_prefix_info prefix;
635 		struct kvm_s390_stop_info stop;
636 		struct kvm_s390_mchk_info mchk;
637 		char reserved[64];
638 	} u;
639 };
640 
641 struct kvm_s390_irq_state {
642 	__u64 buf;
643 	__u32 flags;        /* will stay unused for compatibility reasons */
644 	__u32 len;
645 	__u32 reserved[4];  /* will stay unused for compatibility reasons */
646 };
647 
648 /* for KVM_SET_GUEST_DEBUG */
649 
650 #define KVM_GUESTDBG_ENABLE		0x00000001
651 #define KVM_GUESTDBG_SINGLESTEP		0x00000002
652 
653 struct kvm_guest_debug {
654 	__u32 control;
655 	__u32 pad;
656 	struct kvm_guest_debug_arch arch;
657 };
658 
659 enum {
660 	kvm_ioeventfd_flag_nr_datamatch,
661 	kvm_ioeventfd_flag_nr_pio,
662 	kvm_ioeventfd_flag_nr_deassign,
663 	kvm_ioeventfd_flag_nr_virtio_ccw_notify,
664 	kvm_ioeventfd_flag_nr_fast_mmio,
665 	kvm_ioeventfd_flag_nr_max,
666 };
667 
668 #define KVM_IOEVENTFD_FLAG_DATAMATCH (1 << kvm_ioeventfd_flag_nr_datamatch)
669 #define KVM_IOEVENTFD_FLAG_PIO       (1 << kvm_ioeventfd_flag_nr_pio)
670 #define KVM_IOEVENTFD_FLAG_DEASSIGN  (1 << kvm_ioeventfd_flag_nr_deassign)
671 #define KVM_IOEVENTFD_FLAG_VIRTIO_CCW_NOTIFY \
672 	(1 << kvm_ioeventfd_flag_nr_virtio_ccw_notify)
673 
674 #define KVM_IOEVENTFD_VALID_FLAG_MASK  ((1 << kvm_ioeventfd_flag_nr_max) - 1)
675 
676 struct kvm_ioeventfd {
677 	__u64 datamatch;
678 	__u64 addr;        /* legal pio/mmio address */
679 	__u32 len;         /* 1, 2, 4, or 8 bytes; or 0 to ignore length */
680 	__s32 fd;
681 	__u32 flags;
682 	__u8  pad[36];
683 };
684 
685 #define KVM_X86_DISABLE_EXITS_MWAIT          (1 << 0)
686 #define KVM_X86_DISABLE_EXITS_HLT            (1 << 1)
687 #define KVM_X86_DISABLE_EXITS_PAUSE          (1 << 2)
688 #define KVM_X86_DISABLE_VALID_EXITS          (KVM_X86_DISABLE_EXITS_MWAIT | \
689                                               KVM_X86_DISABLE_EXITS_HLT | \
690                                               KVM_X86_DISABLE_EXITS_PAUSE)
691 
692 /* for KVM_ENABLE_CAP */
693 struct kvm_enable_cap {
694 	/* in */
695 	__u32 cap;
696 	__u32 flags;
697 	__u64 args[4];
698 	__u8  pad[64];
699 };
700 
701 /* for KVM_PPC_GET_PVINFO */
702 
703 #define KVM_PPC_PVINFO_FLAGS_EV_IDLE   (1<<0)
704 
705 struct kvm_ppc_pvinfo {
706 	/* out */
707 	__u32 flags;
708 	__u32 hcall[4];
709 	__u8  pad[108];
710 };
711 
712 /* for KVM_PPC_GET_SMMU_INFO */
713 #define KVM_PPC_PAGE_SIZES_MAX_SZ	8
714 
715 struct kvm_ppc_one_page_size {
716 	__u32 page_shift;	/* Page shift (or 0) */
717 	__u32 pte_enc;		/* Encoding in the HPTE (>>12) */
718 };
719 
720 struct kvm_ppc_one_seg_page_size {
721 	__u32 page_shift;	/* Base page shift of segment (or 0) */
722 	__u32 slb_enc;		/* SLB encoding for BookS */
723 	struct kvm_ppc_one_page_size enc[KVM_PPC_PAGE_SIZES_MAX_SZ];
724 };
725 
726 #define KVM_PPC_PAGE_SIZES_REAL		0x00000001
727 #define KVM_PPC_1T_SEGMENTS		0x00000002
728 #define KVM_PPC_NO_HASH			0x00000004
729 
730 struct kvm_ppc_smmu_info {
731 	__u64 flags;
732 	__u32 slb_size;
733 	__u16 data_keys;	/* # storage keys supported for data */
734 	__u16 instr_keys;	/* # storage keys supported for instructions */
735 	struct kvm_ppc_one_seg_page_size sps[KVM_PPC_PAGE_SIZES_MAX_SZ];
736 };
737 
738 /* for KVM_PPC_RESIZE_HPT_{PREPARE,COMMIT} */
739 struct kvm_ppc_resize_hpt {
740 	__u64 flags;
741 	__u32 shift;
742 	__u32 pad;
743 };
744 
745 #define KVMIO 0xAE
746 
747 /* machine type bits, to be used as argument to KVM_CREATE_VM */
748 #define KVM_VM_S390_UCONTROL	1
749 
750 /* on ppc, 0 indicate default, 1 should force HV and 2 PR */
751 #define KVM_VM_PPC_HV 1
752 #define KVM_VM_PPC_PR 2
753 
754 /* on MIPS, 0 forces trap & emulate, 1 forces VZ ASE */
755 #define KVM_VM_MIPS_TE		0
756 #define KVM_VM_MIPS_VZ		1
757 
758 #define KVM_S390_SIE_PAGE_OFFSET 1
759 
760 /*
761  * ioctls for /dev/kvm fds:
762  */
763 #define KVM_GET_API_VERSION       _IO(KVMIO,   0x00)
764 #define KVM_CREATE_VM             _IO(KVMIO,   0x01) /* returns a VM fd */
765 #define KVM_GET_MSR_INDEX_LIST    _IOWR(KVMIO, 0x02, struct kvm_msr_list)
766 
767 #define KVM_S390_ENABLE_SIE       _IO(KVMIO,   0x06)
768 /*
769  * Check if a kvm extension is available.  Argument is extension number,
770  * return is 1 (yes) or 0 (no, sorry).
771  */
772 #define KVM_CHECK_EXTENSION       _IO(KVMIO,   0x03)
773 /*
774  * Get size for mmap(vcpu_fd)
775  */
776 #define KVM_GET_VCPU_MMAP_SIZE    _IO(KVMIO,   0x04) /* in bytes */
777 #define KVM_GET_SUPPORTED_CPUID   _IOWR(KVMIO, 0x05, struct kvm_cpuid2)
778 #define KVM_TRACE_ENABLE          __KVM_DEPRECATED_MAIN_W_0x06
779 #define KVM_TRACE_PAUSE           __KVM_DEPRECATED_MAIN_0x07
780 #define KVM_TRACE_DISABLE         __KVM_DEPRECATED_MAIN_0x08
781 #define KVM_GET_EMULATED_CPUID	  _IOWR(KVMIO, 0x09, struct kvm_cpuid2)
782 #define KVM_GET_MSR_FEATURE_INDEX_LIST    _IOWR(KVMIO, 0x0a, struct kvm_msr_list)
783 
784 /*
785  * Extension capability list.
786  */
787 #define KVM_CAP_IRQCHIP	  0
788 #define KVM_CAP_HLT	  1
789 #define KVM_CAP_MMU_SHADOW_CACHE_CONTROL 2
790 #define KVM_CAP_USER_MEMORY 3
791 #define KVM_CAP_SET_TSS_ADDR 4
792 #define KVM_CAP_VAPIC 6
793 #define KVM_CAP_EXT_CPUID 7
794 #define KVM_CAP_CLOCKSOURCE 8
795 #define KVM_CAP_NR_VCPUS 9       /* returns recommended max vcpus per vm */
796 #define KVM_CAP_NR_MEMSLOTS 10   /* returns max memory slots per vm */
797 #define KVM_CAP_PIT 11
798 #define KVM_CAP_NOP_IO_DELAY 12
799 #define KVM_CAP_PV_MMU 13
800 #define KVM_CAP_MP_STATE 14
801 #define KVM_CAP_COALESCED_MMIO 15
802 #define KVM_CAP_SYNC_MMU 16  /* Changes to host mmap are reflected in guest */
803 #define KVM_CAP_IOMMU 18
804 /* Bug in KVM_SET_USER_MEMORY_REGION fixed: */
805 #define KVM_CAP_DESTROY_MEMORY_REGION_WORKS 21
806 #define KVM_CAP_USER_NMI 22
807 #ifdef __KVM_HAVE_GUEST_DEBUG
808 #define KVM_CAP_SET_GUEST_DEBUG 23
809 #endif
810 #ifdef __KVM_HAVE_PIT
811 #define KVM_CAP_REINJECT_CONTROL 24
812 #endif
813 #define KVM_CAP_IRQ_ROUTING 25
814 #define KVM_CAP_IRQ_INJECT_STATUS 26
815 #define KVM_CAP_ASSIGN_DEV_IRQ 29
816 /* Another bug in KVM_SET_USER_MEMORY_REGION fixed: */
817 #define KVM_CAP_JOIN_MEMORY_REGIONS_WORKS 30
818 #ifdef __KVM_HAVE_MCE
819 #define KVM_CAP_MCE 31
820 #endif
821 #define KVM_CAP_IRQFD 32
822 #ifdef __KVM_HAVE_PIT
823 #define KVM_CAP_PIT2 33
824 #endif
825 #define KVM_CAP_SET_BOOT_CPU_ID 34
826 #ifdef __KVM_HAVE_PIT_STATE2
827 #define KVM_CAP_PIT_STATE2 35
828 #endif
829 #define KVM_CAP_IOEVENTFD 36
830 #define KVM_CAP_SET_IDENTITY_MAP_ADDR 37
831 #ifdef __KVM_HAVE_XEN_HVM
832 #define KVM_CAP_XEN_HVM 38
833 #endif
834 #define KVM_CAP_ADJUST_CLOCK 39
835 #define KVM_CAP_INTERNAL_ERROR_DATA 40
836 #ifdef __KVM_HAVE_VCPU_EVENTS
837 #define KVM_CAP_VCPU_EVENTS 41
838 #endif
839 #define KVM_CAP_S390_PSW 42
840 #define KVM_CAP_PPC_SEGSTATE 43
841 #define KVM_CAP_HYPERV 44
842 #define KVM_CAP_HYPERV_VAPIC 45
843 #define KVM_CAP_HYPERV_SPIN 46
844 #define KVM_CAP_PCI_SEGMENT 47
845 #define KVM_CAP_PPC_PAIRED_SINGLES 48
846 #define KVM_CAP_INTR_SHADOW 49
847 #ifdef __KVM_HAVE_DEBUGREGS
848 #define KVM_CAP_DEBUGREGS 50
849 #endif
850 #define KVM_CAP_X86_ROBUST_SINGLESTEP 51
851 #define KVM_CAP_PPC_OSI 52
852 #define KVM_CAP_PPC_UNSET_IRQ 53
853 #define KVM_CAP_ENABLE_CAP 54
854 #ifdef __KVM_HAVE_XSAVE
855 #define KVM_CAP_XSAVE 55
856 #endif
857 #ifdef __KVM_HAVE_XCRS
858 #define KVM_CAP_XCRS 56
859 #endif
860 #define KVM_CAP_PPC_GET_PVINFO 57
861 #define KVM_CAP_PPC_IRQ_LEVEL 58
862 #define KVM_CAP_ASYNC_PF 59
863 #define KVM_CAP_TSC_CONTROL 60
864 #define KVM_CAP_GET_TSC_KHZ 61
865 #define KVM_CAP_PPC_BOOKE_SREGS 62
866 #define KVM_CAP_SPAPR_TCE 63
867 #define KVM_CAP_PPC_SMT 64
868 #define KVM_CAP_PPC_RMA	65
869 #define KVM_CAP_MAX_VCPUS 66       /* returns max vcpus per vm */
870 #define KVM_CAP_PPC_HIOR 67
871 #define KVM_CAP_PPC_PAPR 68
872 #define KVM_CAP_SW_TLB 69
873 #define KVM_CAP_ONE_REG 70
874 #define KVM_CAP_S390_GMAP 71
875 #define KVM_CAP_TSC_DEADLINE_TIMER 72
876 #define KVM_CAP_S390_UCONTROL 73
877 #define KVM_CAP_SYNC_REGS 74
878 #define KVM_CAP_PCI_2_3 75
879 #define KVM_CAP_KVMCLOCK_CTRL 76
880 #define KVM_CAP_SIGNAL_MSI 77
881 #define KVM_CAP_PPC_GET_SMMU_INFO 78
882 #define KVM_CAP_S390_COW 79
883 #define KVM_CAP_PPC_ALLOC_HTAB 80
884 #define KVM_CAP_READONLY_MEM 81
885 #define KVM_CAP_IRQFD_RESAMPLE 82
886 #define KVM_CAP_PPC_BOOKE_WATCHDOG 83
887 #define KVM_CAP_PPC_HTAB_FD 84
888 #define KVM_CAP_S390_CSS_SUPPORT 85
889 #define KVM_CAP_PPC_EPR 86
890 #define KVM_CAP_ARM_PSCI 87
891 #define KVM_CAP_ARM_SET_DEVICE_ADDR 88
892 #define KVM_CAP_DEVICE_CTRL 89
893 #define KVM_CAP_IRQ_MPIC 90
894 #define KVM_CAP_PPC_RTAS 91
895 #define KVM_CAP_IRQ_XICS 92
896 #define KVM_CAP_ARM_EL1_32BIT 93
897 #define KVM_CAP_SPAPR_MULTITCE 94
898 #define KVM_CAP_EXT_EMUL_CPUID 95
899 #define KVM_CAP_HYPERV_TIME 96
900 #define KVM_CAP_IOAPIC_POLARITY_IGNORED 97
901 #define KVM_CAP_ENABLE_CAP_VM 98
902 #define KVM_CAP_S390_IRQCHIP 99
903 #define KVM_CAP_IOEVENTFD_NO_LENGTH 100
904 #define KVM_CAP_VM_ATTRIBUTES 101
905 #define KVM_CAP_ARM_PSCI_0_2 102
906 #define KVM_CAP_PPC_FIXUP_HCALL 103
907 #define KVM_CAP_PPC_ENABLE_HCALL 104
908 #define KVM_CAP_CHECK_EXTENSION_VM 105
909 #define KVM_CAP_S390_USER_SIGP 106
910 #define KVM_CAP_S390_VECTOR_REGISTERS 107
911 #define KVM_CAP_S390_MEM_OP 108
912 #define KVM_CAP_S390_USER_STSI 109
913 #define KVM_CAP_S390_SKEYS 110
914 #define KVM_CAP_MIPS_FPU 111
915 #define KVM_CAP_MIPS_MSA 112
916 #define KVM_CAP_S390_INJECT_IRQ 113
917 #define KVM_CAP_S390_IRQ_STATE 114
918 #define KVM_CAP_PPC_HWRNG 115
919 #define KVM_CAP_DISABLE_QUIRKS 116
920 #define KVM_CAP_X86_SMM 117
921 #define KVM_CAP_MULTI_ADDRESS_SPACE 118
922 #define KVM_CAP_GUEST_DEBUG_HW_BPS 119
923 #define KVM_CAP_GUEST_DEBUG_HW_WPS 120
924 #define KVM_CAP_SPLIT_IRQCHIP 121
925 #define KVM_CAP_IOEVENTFD_ANY_LENGTH 122
926 #define KVM_CAP_HYPERV_SYNIC 123
927 #define KVM_CAP_S390_RI 124
928 #define KVM_CAP_SPAPR_TCE_64 125
929 #define KVM_CAP_ARM_PMU_V3 126
930 #define KVM_CAP_VCPU_ATTRIBUTES 127
931 #define KVM_CAP_MAX_VCPU_ID 128
932 #define KVM_CAP_X2APIC_API 129
933 #define KVM_CAP_S390_USER_INSTR0 130
934 #define KVM_CAP_MSI_DEVID 131
935 #define KVM_CAP_PPC_HTM 132
936 #define KVM_CAP_SPAPR_RESIZE_HPT 133
937 #define KVM_CAP_PPC_MMU_RADIX 134
938 #define KVM_CAP_PPC_MMU_HASH_V3 135
939 #define KVM_CAP_IMMEDIATE_EXIT 136
940 #define KVM_CAP_MIPS_VZ 137
941 #define KVM_CAP_MIPS_TE 138
942 #define KVM_CAP_MIPS_64BIT 139
943 #define KVM_CAP_S390_GS 140
944 #define KVM_CAP_S390_AIS 141
945 #define KVM_CAP_SPAPR_TCE_VFIO 142
946 #define KVM_CAP_X86_DISABLE_EXITS 143
947 #define KVM_CAP_ARM_USER_IRQ 144
948 #define KVM_CAP_S390_CMMA_MIGRATION 145
949 #define KVM_CAP_PPC_FWNMI 146
950 #define KVM_CAP_PPC_SMT_POSSIBLE 147
951 #define KVM_CAP_HYPERV_SYNIC2 148
952 #define KVM_CAP_HYPERV_VP_INDEX 149
953 #define KVM_CAP_S390_AIS_MIGRATION 150
954 #define KVM_CAP_PPC_GET_CPU_CHAR 151
955 #define KVM_CAP_S390_BPB 152
956 #define KVM_CAP_GET_MSR_FEATURES 153
957 #define KVM_CAP_HYPERV_EVENTFD 154
958 #define KVM_CAP_HYPERV_TLBFLUSH 155
959 #define KVM_CAP_S390_HPAGE_1M 156
960 #define KVM_CAP_NESTED_STATE 157
961 #define KVM_CAP_ARM_INJECT_SERROR_ESR 158
962 #define KVM_CAP_MSR_PLATFORM_INFO 159
963 #define KVM_CAP_PPC_NESTED_HV 160
964 #define KVM_CAP_HYPERV_SEND_IPI 161
965 #define KVM_CAP_COALESCED_PIO 162
966 #define KVM_CAP_HYPERV_ENLIGHTENED_VMCS 163
967 #define KVM_CAP_EXCEPTION_PAYLOAD 164
968 
969 #ifdef KVM_CAP_IRQ_ROUTING
970 
971 struct kvm_irq_routing_irqchip {
972 	__u32 irqchip;
973 	__u32 pin;
974 };
975 
976 struct kvm_irq_routing_msi {
977 	__u32 address_lo;
978 	__u32 address_hi;
979 	__u32 data;
980 	union {
981 		__u32 pad;
982 		__u32 devid;
983 	};
984 };
985 
986 struct kvm_irq_routing_s390_adapter {
987 	__u64 ind_addr;
988 	__u64 summary_addr;
989 	__u64 ind_offset;
990 	__u32 summary_offset;
991 	__u32 adapter_id;
992 };
993 
994 struct kvm_irq_routing_hv_sint {
995 	__u32 vcpu;
996 	__u32 sint;
997 };
998 
999 /* gsi routing entry types */
1000 #define KVM_IRQ_ROUTING_IRQCHIP 1
1001 #define KVM_IRQ_ROUTING_MSI 2
1002 #define KVM_IRQ_ROUTING_S390_ADAPTER 3
1003 #define KVM_IRQ_ROUTING_HV_SINT 4
1004 
1005 struct kvm_irq_routing_entry {
1006 	__u32 gsi;
1007 	__u32 type;
1008 	__u32 flags;
1009 	__u32 pad;
1010 	union {
1011 		struct kvm_irq_routing_irqchip irqchip;
1012 		struct kvm_irq_routing_msi msi;
1013 		struct kvm_irq_routing_s390_adapter adapter;
1014 		struct kvm_irq_routing_hv_sint hv_sint;
1015 		__u32 pad[8];
1016 	} u;
1017 };
1018 
1019 struct kvm_irq_routing {
1020 	__u32 nr;
1021 	__u32 flags;
1022 	struct kvm_irq_routing_entry entries[0];
1023 };
1024 
1025 #endif
1026 
1027 #ifdef KVM_CAP_MCE
1028 /* x86 MCE */
1029 struct kvm_x86_mce {
1030 	__u64 status;
1031 	__u64 addr;
1032 	__u64 misc;
1033 	__u64 mcg_status;
1034 	__u8 bank;
1035 	__u8 pad1[7];
1036 	__u64 pad2[3];
1037 };
1038 #endif
1039 
1040 #ifdef KVM_CAP_XEN_HVM
1041 struct kvm_xen_hvm_config {
1042 	__u32 flags;
1043 	__u32 msr;
1044 	__u64 blob_addr_32;
1045 	__u64 blob_addr_64;
1046 	__u8 blob_size_32;
1047 	__u8 blob_size_64;
1048 	__u8 pad2[30];
1049 };
1050 #endif
1051 
1052 #define KVM_IRQFD_FLAG_DEASSIGN (1 << 0)
1053 /*
1054  * Available with KVM_CAP_IRQFD_RESAMPLE
1055  *
1056  * KVM_IRQFD_FLAG_RESAMPLE indicates resamplefd is valid and specifies
1057  * the irqfd to operate in resampling mode for level triggered interrupt
1058  * emulation.  See Documentation/virtual/kvm/api.txt.
1059  */
1060 #define KVM_IRQFD_FLAG_RESAMPLE (1 << 1)
1061 
1062 struct kvm_irqfd {
1063 	__u32 fd;
1064 	__u32 gsi;
1065 	__u32 flags;
1066 	__u32 resamplefd;
1067 	__u8  pad[16];
1068 };
1069 
1070 /* For KVM_CAP_ADJUST_CLOCK */
1071 
1072 /* Do not use 1, KVM_CHECK_EXTENSION returned it before we had flags.  */
1073 #define KVM_CLOCK_TSC_STABLE		2
1074 
1075 struct kvm_clock_data {
1076 	__u64 clock;
1077 	__u32 flags;
1078 	__u32 pad[9];
1079 };
1080 
1081 /* For KVM_CAP_SW_TLB */
1082 
1083 #define KVM_MMU_FSL_BOOKE_NOHV		0
1084 #define KVM_MMU_FSL_BOOKE_HV		1
1085 
1086 struct kvm_config_tlb {
1087 	__u64 params;
1088 	__u64 array;
1089 	__u32 mmu_type;
1090 	__u32 array_len;
1091 };
1092 
1093 struct kvm_dirty_tlb {
1094 	__u64 bitmap;
1095 	__u32 num_dirty;
1096 };
1097 
1098 /* Available with KVM_CAP_ONE_REG */
1099 
1100 #define KVM_REG_ARCH_MASK	0xff00000000000000ULL
1101 #define KVM_REG_GENERIC		0x0000000000000000ULL
1102 
1103 /*
1104  * Architecture specific registers are to be defined in arch headers and
1105  * ORed with the arch identifier.
1106  */
1107 #define KVM_REG_PPC		0x1000000000000000ULL
1108 #define KVM_REG_X86		0x2000000000000000ULL
1109 #define KVM_REG_IA64		0x3000000000000000ULL
1110 #define KVM_REG_ARM		0x4000000000000000ULL
1111 #define KVM_REG_S390		0x5000000000000000ULL
1112 #define KVM_REG_ARM64		0x6000000000000000ULL
1113 #define KVM_REG_MIPS		0x7000000000000000ULL
1114 
1115 #define KVM_REG_SIZE_SHIFT	52
1116 #define KVM_REG_SIZE_MASK	0x00f0000000000000ULL
1117 #define KVM_REG_SIZE_U8		0x0000000000000000ULL
1118 #define KVM_REG_SIZE_U16	0x0010000000000000ULL
1119 #define KVM_REG_SIZE_U32	0x0020000000000000ULL
1120 #define KVM_REG_SIZE_U64	0x0030000000000000ULL
1121 #define KVM_REG_SIZE_U128	0x0040000000000000ULL
1122 #define KVM_REG_SIZE_U256	0x0050000000000000ULL
1123 #define KVM_REG_SIZE_U512	0x0060000000000000ULL
1124 #define KVM_REG_SIZE_U1024	0x0070000000000000ULL
1125 
1126 struct kvm_reg_list {
1127 	__u64 n; /* number of regs */
1128 	__u64 reg[0];
1129 };
1130 
1131 struct kvm_one_reg {
1132 	__u64 id;
1133 	__u64 addr;
1134 };
1135 
1136 #define KVM_MSI_VALID_DEVID	(1U << 0)
1137 struct kvm_msi {
1138 	__u32 address_lo;
1139 	__u32 address_hi;
1140 	__u32 data;
1141 	__u32 flags;
1142 	__u32 devid;
1143 	__u8  pad[12];
1144 };
1145 
1146 struct kvm_arm_device_addr {
1147 	__u64 id;
1148 	__u64 addr;
1149 };
1150 
1151 /*
1152  * Device control API, available with KVM_CAP_DEVICE_CTRL
1153  */
1154 #define KVM_CREATE_DEVICE_TEST		1
1155 
1156 struct kvm_create_device {
1157 	__u32	type;	/* in: KVM_DEV_TYPE_xxx */
1158 	__u32	fd;	/* out: device handle */
1159 	__u32	flags;	/* in: KVM_CREATE_DEVICE_xxx */
1160 };
1161 
1162 struct kvm_device_attr {
1163 	__u32	flags;		/* no flags currently defined */
1164 	__u32	group;		/* device-defined */
1165 	__u64	attr;		/* group-defined */
1166 	__u64	addr;		/* userspace address of attr data */
1167 };
1168 
1169 #define  KVM_DEV_VFIO_GROUP			1
1170 #define   KVM_DEV_VFIO_GROUP_ADD			1
1171 #define   KVM_DEV_VFIO_GROUP_DEL			2
1172 #define   KVM_DEV_VFIO_GROUP_SET_SPAPR_TCE		3
1173 
1174 enum kvm_device_type {
1175 	KVM_DEV_TYPE_FSL_MPIC_20	= 1,
1176 #define KVM_DEV_TYPE_FSL_MPIC_20	KVM_DEV_TYPE_FSL_MPIC_20
1177 	KVM_DEV_TYPE_FSL_MPIC_42,
1178 #define KVM_DEV_TYPE_FSL_MPIC_42	KVM_DEV_TYPE_FSL_MPIC_42
1179 	KVM_DEV_TYPE_XICS,
1180 #define KVM_DEV_TYPE_XICS		KVM_DEV_TYPE_XICS
1181 	KVM_DEV_TYPE_VFIO,
1182 #define KVM_DEV_TYPE_VFIO		KVM_DEV_TYPE_VFIO
1183 	KVM_DEV_TYPE_ARM_VGIC_V2,
1184 #define KVM_DEV_TYPE_ARM_VGIC_V2	KVM_DEV_TYPE_ARM_VGIC_V2
1185 	KVM_DEV_TYPE_FLIC,
1186 #define KVM_DEV_TYPE_FLIC		KVM_DEV_TYPE_FLIC
1187 	KVM_DEV_TYPE_ARM_VGIC_V3,
1188 #define KVM_DEV_TYPE_ARM_VGIC_V3	KVM_DEV_TYPE_ARM_VGIC_V3
1189 	KVM_DEV_TYPE_ARM_VGIC_ITS,
1190 #define KVM_DEV_TYPE_ARM_VGIC_ITS	KVM_DEV_TYPE_ARM_VGIC_ITS
1191 	KVM_DEV_TYPE_MAX,
1192 };
1193 
1194 struct kvm_vfio_spapr_tce {
1195 	__s32	groupfd;
1196 	__s32	tablefd;
1197 };
1198 
1199 /*
1200  * ioctls for VM fds
1201  */
1202 #define KVM_SET_MEMORY_REGION     _IOW(KVMIO,  0x40, struct kvm_memory_region)
1203 /*
1204  * KVM_CREATE_VCPU receives as a parameter the vcpu slot, and returns
1205  * a vcpu fd.
1206  */
1207 #define KVM_CREATE_VCPU           _IO(KVMIO,   0x41)
1208 #define KVM_GET_DIRTY_LOG         _IOW(KVMIO,  0x42, struct kvm_dirty_log)
1209 /* KVM_SET_MEMORY_ALIAS is obsolete: */
1210 #define KVM_SET_MEMORY_ALIAS      _IOW(KVMIO,  0x43, struct kvm_memory_alias)
1211 #define KVM_SET_NR_MMU_PAGES      _IO(KVMIO,   0x44)
1212 #define KVM_GET_NR_MMU_PAGES      _IO(KVMIO,   0x45)
1213 #define KVM_SET_USER_MEMORY_REGION _IOW(KVMIO, 0x46, \
1214 					struct kvm_userspace_memory_region)
1215 #define KVM_SET_TSS_ADDR          _IO(KVMIO,   0x47)
1216 #define KVM_SET_IDENTITY_MAP_ADDR _IOW(KVMIO,  0x48, __u64)
1217 
1218 /* enable ucontrol for s390 */
1219 struct kvm_s390_ucas_mapping {
1220 	__u64 user_addr;
1221 	__u64 vcpu_addr;
1222 	__u64 length;
1223 };
1224 #define KVM_S390_UCAS_MAP        _IOW(KVMIO, 0x50, struct kvm_s390_ucas_mapping)
1225 #define KVM_S390_UCAS_UNMAP      _IOW(KVMIO, 0x51, struct kvm_s390_ucas_mapping)
1226 #define KVM_S390_VCPU_FAULT	 _IOW(KVMIO, 0x52, unsigned long)
1227 
1228 /* Device model IOC */
1229 #define KVM_CREATE_IRQCHIP        _IO(KVMIO,   0x60)
1230 #define KVM_IRQ_LINE              _IOW(KVMIO,  0x61, struct kvm_irq_level)
1231 #define KVM_GET_IRQCHIP           _IOWR(KVMIO, 0x62, struct kvm_irqchip)
1232 #define KVM_SET_IRQCHIP           _IOR(KVMIO,  0x63, struct kvm_irqchip)
1233 #define KVM_CREATE_PIT            _IO(KVMIO,   0x64)
1234 #define KVM_GET_PIT               _IOWR(KVMIO, 0x65, struct kvm_pit_state)
1235 #define KVM_SET_PIT               _IOR(KVMIO,  0x66, struct kvm_pit_state)
1236 #define KVM_IRQ_LINE_STATUS       _IOWR(KVMIO, 0x67, struct kvm_irq_level)
1237 #define KVM_REGISTER_COALESCED_MMIO \
1238 			_IOW(KVMIO,  0x67, struct kvm_coalesced_mmio_zone)
1239 #define KVM_UNREGISTER_COALESCED_MMIO \
1240 			_IOW(KVMIO,  0x68, struct kvm_coalesced_mmio_zone)
1241 #define KVM_ASSIGN_PCI_DEVICE     _IOR(KVMIO,  0x69, \
1242 				       struct kvm_assigned_pci_dev)
1243 #define KVM_SET_GSI_ROUTING       _IOW(KVMIO,  0x6a, struct kvm_irq_routing)
1244 /* deprecated, replaced by KVM_ASSIGN_DEV_IRQ */
1245 #define KVM_ASSIGN_IRQ            __KVM_DEPRECATED_VM_R_0x70
1246 #define KVM_ASSIGN_DEV_IRQ        _IOW(KVMIO,  0x70, struct kvm_assigned_irq)
1247 #define KVM_REINJECT_CONTROL      _IO(KVMIO,   0x71)
1248 #define KVM_DEASSIGN_PCI_DEVICE   _IOW(KVMIO,  0x72, \
1249 				       struct kvm_assigned_pci_dev)
1250 #define KVM_ASSIGN_SET_MSIX_NR    _IOW(KVMIO,  0x73, \
1251 				       struct kvm_assigned_msix_nr)
1252 #define KVM_ASSIGN_SET_MSIX_ENTRY _IOW(KVMIO,  0x74, \
1253 				       struct kvm_assigned_msix_entry)
1254 #define KVM_DEASSIGN_DEV_IRQ      _IOW(KVMIO,  0x75, struct kvm_assigned_irq)
1255 #define KVM_IRQFD                 _IOW(KVMIO,  0x76, struct kvm_irqfd)
1256 #define KVM_CREATE_PIT2		  _IOW(KVMIO,  0x77, struct kvm_pit_config)
1257 #define KVM_SET_BOOT_CPU_ID       _IO(KVMIO,   0x78)
1258 #define KVM_IOEVENTFD             _IOW(KVMIO,  0x79, struct kvm_ioeventfd)
1259 #define KVM_XEN_HVM_CONFIG        _IOW(KVMIO,  0x7a, struct kvm_xen_hvm_config)
1260 #define KVM_SET_CLOCK             _IOW(KVMIO,  0x7b, struct kvm_clock_data)
1261 #define KVM_GET_CLOCK             _IOR(KVMIO,  0x7c, struct kvm_clock_data)
1262 /* Available with KVM_CAP_PIT_STATE2 */
1263 #define KVM_GET_PIT2              _IOR(KVMIO,  0x9f, struct kvm_pit_state2)
1264 #define KVM_SET_PIT2              _IOW(KVMIO,  0xa0, struct kvm_pit_state2)
1265 /* Available with KVM_CAP_PPC_GET_PVINFO */
1266 #define KVM_PPC_GET_PVINFO	  _IOW(KVMIO,  0xa1, struct kvm_ppc_pvinfo)
1267 /* Available with KVM_CAP_TSC_CONTROL */
1268 #define KVM_SET_TSC_KHZ           _IO(KVMIO,  0xa2)
1269 #define KVM_GET_TSC_KHZ           _IO(KVMIO,  0xa3)
1270 /* Available with KVM_CAP_PCI_2_3 */
1271 #define KVM_ASSIGN_SET_INTX_MASK  _IOW(KVMIO,  0xa4, \
1272 				       struct kvm_assigned_pci_dev)
1273 /* Available with KVM_CAP_SIGNAL_MSI */
1274 #define KVM_SIGNAL_MSI            _IOW(KVMIO,  0xa5, struct kvm_msi)
1275 /* Available with KVM_CAP_PPC_GET_SMMU_INFO */
1276 #define KVM_PPC_GET_SMMU_INFO	  _IOR(KVMIO,  0xa6, struct kvm_ppc_smmu_info)
1277 /* Available with KVM_CAP_PPC_ALLOC_HTAB */
1278 #define KVM_PPC_ALLOCATE_HTAB	  _IOWR(KVMIO, 0xa7, __u32)
1279 #define KVM_CREATE_SPAPR_TCE	  _IOW(KVMIO,  0xa8, struct kvm_create_spapr_tce)
1280 #define KVM_CREATE_SPAPR_TCE_64	  _IOW(KVMIO,  0xa8, \
1281 				       struct kvm_create_spapr_tce_64)
1282 /* Available with KVM_CAP_RMA */
1283 #define KVM_ALLOCATE_RMA	  _IOR(KVMIO,  0xa9, struct kvm_allocate_rma)
1284 /* Available with KVM_CAP_PPC_HTAB_FD */
1285 #define KVM_PPC_GET_HTAB_FD	  _IOW(KVMIO,  0xaa, struct kvm_get_htab_fd)
1286 /* Available with KVM_CAP_ARM_SET_DEVICE_ADDR */
1287 #define KVM_ARM_SET_DEVICE_ADDR	  _IOW(KVMIO,  0xab, struct kvm_arm_device_addr)
1288 /* Available with KVM_CAP_PPC_RTAS */
1289 #define KVM_PPC_RTAS_DEFINE_TOKEN _IOW(KVMIO,  0xac, struct kvm_rtas_token_args)
1290 /* Available with KVM_CAP_SPAPR_RESIZE_HPT */
1291 #define KVM_PPC_RESIZE_HPT_PREPARE _IOR(KVMIO, 0xad, struct kvm_ppc_resize_hpt)
1292 #define KVM_PPC_RESIZE_HPT_COMMIT  _IOR(KVMIO, 0xae, struct kvm_ppc_resize_hpt)
1293 /* Available with KVM_CAP_PPC_RADIX_MMU or KVM_CAP_PPC_HASH_MMU_V3 */
1294 #define KVM_PPC_CONFIGURE_V3_MMU  _IOW(KVMIO,  0xaf, struct kvm_ppc_mmuv3_cfg)
1295 /* Available with KVM_CAP_PPC_RADIX_MMU */
1296 #define KVM_PPC_GET_RMMU_INFO	  _IOW(KVMIO,  0xb0, struct kvm_ppc_rmmu_info)
1297 /* Available with KVM_CAP_PPC_GET_CPU_CHAR */
1298 #define KVM_PPC_GET_CPU_CHAR	  _IOR(KVMIO,  0xb1, struct kvm_ppc_cpu_char)
1299 
1300 /* ioctl for vm fd */
1301 #define KVM_CREATE_DEVICE	  _IOWR(KVMIO,  0xe0, struct kvm_create_device)
1302 
1303 /* ioctls for fds returned by KVM_CREATE_DEVICE */
1304 #define KVM_SET_DEVICE_ATTR	  _IOW(KVMIO,  0xe1, struct kvm_device_attr)
1305 #define KVM_GET_DEVICE_ATTR	  _IOW(KVMIO,  0xe2, struct kvm_device_attr)
1306 #define KVM_HAS_DEVICE_ATTR	  _IOW(KVMIO,  0xe3, struct kvm_device_attr)
1307 
1308 /*
1309  * ioctls for vcpu fds
1310  */
1311 #define KVM_RUN                   _IO(KVMIO,   0x80)
1312 #define KVM_GET_REGS              _IOR(KVMIO,  0x81, struct kvm_regs)
1313 #define KVM_SET_REGS              _IOW(KVMIO,  0x82, struct kvm_regs)
1314 #define KVM_GET_SREGS             _IOR(KVMIO,  0x83, struct kvm_sregs)
1315 #define KVM_SET_SREGS             _IOW(KVMIO,  0x84, struct kvm_sregs)
1316 #define KVM_TRANSLATE             _IOWR(KVMIO, 0x85, struct kvm_translation)
1317 #define KVM_INTERRUPT             _IOW(KVMIO,  0x86, struct kvm_interrupt)
1318 /* KVM_DEBUG_GUEST is no longer supported, use KVM_SET_GUEST_DEBUG instead */
1319 #define KVM_DEBUG_GUEST           __KVM_DEPRECATED_VCPU_W_0x87
1320 #define KVM_GET_MSRS              _IOWR(KVMIO, 0x88, struct kvm_msrs)
1321 #define KVM_SET_MSRS              _IOW(KVMIO,  0x89, struct kvm_msrs)
1322 #define KVM_SET_CPUID             _IOW(KVMIO,  0x8a, struct kvm_cpuid)
1323 #define KVM_SET_SIGNAL_MASK       _IOW(KVMIO,  0x8b, struct kvm_signal_mask)
1324 #define KVM_GET_FPU               _IOR(KVMIO,  0x8c, struct kvm_fpu)
1325 #define KVM_SET_FPU               _IOW(KVMIO,  0x8d, struct kvm_fpu)
1326 #define KVM_GET_LAPIC             _IOR(KVMIO,  0x8e, struct kvm_lapic_state)
1327 #define KVM_SET_LAPIC             _IOW(KVMIO,  0x8f, struct kvm_lapic_state)
1328 #define KVM_SET_CPUID2            _IOW(KVMIO,  0x90, struct kvm_cpuid2)
1329 #define KVM_GET_CPUID2            _IOWR(KVMIO, 0x91, struct kvm_cpuid2)
1330 /* Available with KVM_CAP_VAPIC */
1331 #define KVM_TPR_ACCESS_REPORTING  _IOWR(KVMIO, 0x92, struct kvm_tpr_access_ctl)
1332 /* Available with KVM_CAP_VAPIC */
1333 #define KVM_SET_VAPIC_ADDR        _IOW(KVMIO,  0x93, struct kvm_vapic_addr)
1334 /* valid for virtual machine (for floating interrupt)_and_ vcpu */
1335 #define KVM_S390_INTERRUPT        _IOW(KVMIO,  0x94, struct kvm_s390_interrupt)
1336 /* store status for s390 */
1337 #define KVM_S390_STORE_STATUS_NOADDR    (-1ul)
1338 #define KVM_S390_STORE_STATUS_PREFIXED  (-2ul)
1339 #define KVM_S390_STORE_STATUS	  _IOW(KVMIO,  0x95, unsigned long)
1340 /* initial ipl psw for s390 */
1341 #define KVM_S390_SET_INITIAL_PSW  _IOW(KVMIO,  0x96, struct kvm_s390_psw)
1342 /* initial reset for s390 */
1343 #define KVM_S390_INITIAL_RESET    _IO(KVMIO,   0x97)
1344 #define KVM_GET_MP_STATE          _IOR(KVMIO,  0x98, struct kvm_mp_state)
1345 #define KVM_SET_MP_STATE          _IOW(KVMIO,  0x99, struct kvm_mp_state)
1346 /* Available with KVM_CAP_USER_NMI */
1347 #define KVM_NMI                   _IO(KVMIO,   0x9a)
1348 /* Available with KVM_CAP_SET_GUEST_DEBUG */
1349 #define KVM_SET_GUEST_DEBUG       _IOW(KVMIO,  0x9b, struct kvm_guest_debug)
1350 /* MCE for x86 */
1351 #define KVM_X86_SETUP_MCE         _IOW(KVMIO,  0x9c, __u64)
1352 #define KVM_X86_GET_MCE_CAP_SUPPORTED _IOR(KVMIO,  0x9d, __u64)
1353 #define KVM_X86_SET_MCE           _IOW(KVMIO,  0x9e, struct kvm_x86_mce)
1354 /* Available with KVM_CAP_VCPU_EVENTS */
1355 #define KVM_GET_VCPU_EVENTS       _IOR(KVMIO,  0x9f, struct kvm_vcpu_events)
1356 #define KVM_SET_VCPU_EVENTS       _IOW(KVMIO,  0xa0, struct kvm_vcpu_events)
1357 /* Available with KVM_CAP_DEBUGREGS */
1358 #define KVM_GET_DEBUGREGS         _IOR(KVMIO,  0xa1, struct kvm_debugregs)
1359 #define KVM_SET_DEBUGREGS         _IOW(KVMIO,  0xa2, struct kvm_debugregs)
1360 /*
1361  * vcpu version available with KVM_ENABLE_CAP
1362  * vm version available with KVM_CAP_ENABLE_CAP_VM
1363  */
1364 #define KVM_ENABLE_CAP            _IOW(KVMIO,  0xa3, struct kvm_enable_cap)
1365 /* Available with KVM_CAP_XSAVE */
1366 #define KVM_GET_XSAVE		  _IOR(KVMIO,  0xa4, struct kvm_xsave)
1367 #define KVM_SET_XSAVE		  _IOW(KVMIO,  0xa5, struct kvm_xsave)
1368 /* Available with KVM_CAP_XCRS */
1369 #define KVM_GET_XCRS		  _IOR(KVMIO,  0xa6, struct kvm_xcrs)
1370 #define KVM_SET_XCRS		  _IOW(KVMIO,  0xa7, struct kvm_xcrs)
1371 /* Available with KVM_CAP_SW_TLB */
1372 #define KVM_DIRTY_TLB		  _IOW(KVMIO,  0xaa, struct kvm_dirty_tlb)
1373 /* Available with KVM_CAP_ONE_REG */
1374 #define KVM_GET_ONE_REG		  _IOW(KVMIO,  0xab, struct kvm_one_reg)
1375 #define KVM_SET_ONE_REG		  _IOW(KVMIO,  0xac, struct kvm_one_reg)
1376 /* VM is being stopped by host */
1377 #define KVM_KVMCLOCK_CTRL	  _IO(KVMIO,   0xad)
1378 #define KVM_ARM_VCPU_INIT	  _IOW(KVMIO,  0xae, struct kvm_vcpu_init)
1379 #define KVM_ARM_PREFERRED_TARGET  _IOR(KVMIO,  0xaf, struct kvm_vcpu_init)
1380 #define KVM_GET_REG_LIST	  _IOWR(KVMIO, 0xb0, struct kvm_reg_list)
1381 /* Available with KVM_CAP_S390_MEM_OP */
1382 #define KVM_S390_MEM_OP		  _IOW(KVMIO,  0xb1, struct kvm_s390_mem_op)
1383 /* Available with KVM_CAP_S390_SKEYS */
1384 #define KVM_S390_GET_SKEYS      _IOW(KVMIO, 0xb2, struct kvm_s390_skeys)
1385 #define KVM_S390_SET_SKEYS      _IOW(KVMIO, 0xb3, struct kvm_s390_skeys)
1386 /* Available with KVM_CAP_S390_INJECT_IRQ */
1387 #define KVM_S390_IRQ              _IOW(KVMIO,  0xb4, struct kvm_s390_irq)
1388 /* Available with KVM_CAP_S390_IRQ_STATE */
1389 #define KVM_S390_SET_IRQ_STATE	  _IOW(KVMIO, 0xb5, struct kvm_s390_irq_state)
1390 #define KVM_S390_GET_IRQ_STATE	  _IOW(KVMIO, 0xb6, struct kvm_s390_irq_state)
1391 /* Available with KVM_CAP_X86_SMM */
1392 #define KVM_SMI                   _IO(KVMIO,   0xb7)
1393 /* Available with KVM_CAP_S390_CMMA_MIGRATION */
1394 #define KVM_S390_GET_CMMA_BITS      _IOWR(KVMIO, 0xb8, struct kvm_s390_cmma_log)
1395 #define KVM_S390_SET_CMMA_BITS      _IOW(KVMIO, 0xb9, struct kvm_s390_cmma_log)
1396 /* Memory Encryption Commands */
1397 #define KVM_MEMORY_ENCRYPT_OP      _IOWR(KVMIO, 0xba, unsigned long)
1398 
1399 struct kvm_enc_region {
1400 	__u64 addr;
1401 	__u64 size;
1402 };
1403 
1404 #define KVM_MEMORY_ENCRYPT_REG_REGION    _IOR(KVMIO, 0xbb, struct kvm_enc_region)
1405 #define KVM_MEMORY_ENCRYPT_UNREG_REGION  _IOR(KVMIO, 0xbc, struct kvm_enc_region)
1406 
1407 /* Available with KVM_CAP_HYPERV_EVENTFD */
1408 #define KVM_HYPERV_EVENTFD        _IOW(KVMIO,  0xbd, struct kvm_hyperv_eventfd)
1409 
1410 /* Available with KVM_CAP_NESTED_STATE */
1411 #define KVM_GET_NESTED_STATE         _IOWR(KVMIO, 0xbe, struct kvm_nested_state)
1412 #define KVM_SET_NESTED_STATE         _IOW(KVMIO,  0xbf, struct kvm_nested_state)
1413 
1414 /* Secure Encrypted Virtualization command */
1415 enum sev_cmd_id {
1416 	/* Guest initialization commands */
1417 	KVM_SEV_INIT = 0,
1418 	KVM_SEV_ES_INIT,
1419 	/* Guest launch commands */
1420 	KVM_SEV_LAUNCH_START,
1421 	KVM_SEV_LAUNCH_UPDATE_DATA,
1422 	KVM_SEV_LAUNCH_UPDATE_VMSA,
1423 	KVM_SEV_LAUNCH_SECRET,
1424 	KVM_SEV_LAUNCH_MEASURE,
1425 	KVM_SEV_LAUNCH_FINISH,
1426 	/* Guest migration commands (outgoing) */
1427 	KVM_SEV_SEND_START,
1428 	KVM_SEV_SEND_UPDATE_DATA,
1429 	KVM_SEV_SEND_UPDATE_VMSA,
1430 	KVM_SEV_SEND_FINISH,
1431 	/* Guest migration commands (incoming) */
1432 	KVM_SEV_RECEIVE_START,
1433 	KVM_SEV_RECEIVE_UPDATE_DATA,
1434 	KVM_SEV_RECEIVE_UPDATE_VMSA,
1435 	KVM_SEV_RECEIVE_FINISH,
1436 	/* Guest status and debug commands */
1437 	KVM_SEV_GUEST_STATUS,
1438 	KVM_SEV_DBG_DECRYPT,
1439 	KVM_SEV_DBG_ENCRYPT,
1440 	/* Guest certificates commands */
1441 	KVM_SEV_CERT_EXPORT,
1442 
1443 	KVM_SEV_NR_MAX,
1444 };
1445 
1446 struct kvm_sev_cmd {
1447 	__u32 id;
1448 	__u64 data;
1449 	__u32 error;
1450 	__u32 sev_fd;
1451 };
1452 
1453 struct kvm_sev_launch_start {
1454 	__u32 handle;
1455 	__u32 policy;
1456 	__u64 dh_uaddr;
1457 	__u32 dh_len;
1458 	__u64 session_uaddr;
1459 	__u32 session_len;
1460 };
1461 
1462 struct kvm_sev_launch_update_data {
1463 	__u64 uaddr;
1464 	__u32 len;
1465 };
1466 
1467 
1468 struct kvm_sev_launch_secret {
1469 	__u64 hdr_uaddr;
1470 	__u32 hdr_len;
1471 	__u64 guest_uaddr;
1472 	__u32 guest_len;
1473 	__u64 trans_uaddr;
1474 	__u32 trans_len;
1475 };
1476 
1477 struct kvm_sev_launch_measure {
1478 	__u64 uaddr;
1479 	__u32 len;
1480 };
1481 
1482 struct kvm_sev_guest_status {
1483 	__u32 handle;
1484 	__u32 policy;
1485 	__u32 state;
1486 };
1487 
1488 struct kvm_sev_dbg {
1489 	__u64 src_uaddr;
1490 	__u64 dst_uaddr;
1491 	__u32 len;
1492 };
1493 
1494 #define KVM_DEV_ASSIGN_ENABLE_IOMMU	(1 << 0)
1495 #define KVM_DEV_ASSIGN_PCI_2_3		(1 << 1)
1496 #define KVM_DEV_ASSIGN_MASK_INTX	(1 << 2)
1497 
1498 struct kvm_assigned_pci_dev {
1499 	__u32 assigned_dev_id;
1500 	__u32 busnr;
1501 	__u32 devfn;
1502 	__u32 flags;
1503 	__u32 segnr;
1504 	union {
1505 		__u32 reserved[11];
1506 	};
1507 };
1508 
1509 #define KVM_DEV_IRQ_HOST_INTX    (1 << 0)
1510 #define KVM_DEV_IRQ_HOST_MSI     (1 << 1)
1511 #define KVM_DEV_IRQ_HOST_MSIX    (1 << 2)
1512 
1513 #define KVM_DEV_IRQ_GUEST_INTX   (1 << 8)
1514 #define KVM_DEV_IRQ_GUEST_MSI    (1 << 9)
1515 #define KVM_DEV_IRQ_GUEST_MSIX   (1 << 10)
1516 
1517 #define KVM_DEV_IRQ_HOST_MASK	 0x00ff
1518 #define KVM_DEV_IRQ_GUEST_MASK   0xff00
1519 
1520 struct kvm_assigned_irq {
1521 	__u32 assigned_dev_id;
1522 	__u32 host_irq; /* ignored (legacy field) */
1523 	__u32 guest_irq;
1524 	__u32 flags;
1525 	union {
1526 		__u32 reserved[12];
1527 	};
1528 };
1529 
1530 struct kvm_assigned_msix_nr {
1531 	__u32 assigned_dev_id;
1532 	__u16 entry_nr;
1533 	__u16 padding;
1534 };
1535 
1536 #define KVM_MAX_MSIX_PER_DEV		256
1537 struct kvm_assigned_msix_entry {
1538 	__u32 assigned_dev_id;
1539 	__u32 gsi;
1540 	__u16 entry; /* The index of entry in the MSI-X table */
1541 	__u16 padding[3];
1542 };
1543 
1544 #define KVM_X2APIC_API_USE_32BIT_IDS            (1ULL << 0)
1545 #define KVM_X2APIC_API_DISABLE_BROADCAST_QUIRK  (1ULL << 1)
1546 
1547 /* Available with KVM_CAP_ARM_USER_IRQ */
1548 
1549 /* Bits for run->s.regs.device_irq_level */
1550 #define KVM_ARM_DEV_EL1_VTIMER		(1 << 0)
1551 #define KVM_ARM_DEV_EL1_PTIMER		(1 << 1)
1552 #define KVM_ARM_DEV_PMU			(1 << 2)
1553 
1554 struct kvm_hyperv_eventfd {
1555 	__u32 conn_id;
1556 	__s32 fd;
1557 	__u32 flags;
1558 	__u32 padding[3];
1559 };
1560 
1561 #define KVM_HYPERV_CONN_ID_MASK		0x00ffffff
1562 #define KVM_HYPERV_EVENTFD_DEASSIGN	(1 << 0)
1563 
1564 #endif /* __LINUX_KVM_H */
1565