1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
2 #ifndef __LINUX_KVM_H
3 #define __LINUX_KVM_H
4 
5 /*
6  * Userspace interface for /dev/kvm - kernel based virtual machine
7  *
8  * Note: you must update KVM_API_VERSION if you change this interface.
9  */
10 
11 #include <linux/const.h>
12 #include <linux/types.h>
13 
14 #include <linux/ioctl.h>
15 #include <asm/kvm.h>
16 
17 #define KVM_API_VERSION 12
18 
19 /* *** Deprecated interfaces *** */
20 
21 #define KVM_TRC_SHIFT           16
22 
23 #define KVM_TRC_ENTRYEXIT       (1 << KVM_TRC_SHIFT)
24 #define KVM_TRC_HANDLER         (1 << (KVM_TRC_SHIFT + 1))
25 
26 #define KVM_TRC_VMENTRY         (KVM_TRC_ENTRYEXIT + 0x01)
27 #define KVM_TRC_VMEXIT          (KVM_TRC_ENTRYEXIT + 0x02)
28 #define KVM_TRC_PAGE_FAULT      (KVM_TRC_HANDLER + 0x01)
29 
30 #define KVM_TRC_HEAD_SIZE       12
31 #define KVM_TRC_CYCLE_SIZE      8
32 #define KVM_TRC_EXTRA_MAX       7
33 
34 #define KVM_TRC_INJ_VIRQ         (KVM_TRC_HANDLER + 0x02)
35 #define KVM_TRC_REDELIVER_EVT    (KVM_TRC_HANDLER + 0x03)
36 #define KVM_TRC_PEND_INTR        (KVM_TRC_HANDLER + 0x04)
37 #define KVM_TRC_IO_READ          (KVM_TRC_HANDLER + 0x05)
38 #define KVM_TRC_IO_WRITE         (KVM_TRC_HANDLER + 0x06)
39 #define KVM_TRC_CR_READ          (KVM_TRC_HANDLER + 0x07)
40 #define KVM_TRC_CR_WRITE         (KVM_TRC_HANDLER + 0x08)
41 #define KVM_TRC_DR_READ          (KVM_TRC_HANDLER + 0x09)
42 #define KVM_TRC_DR_WRITE         (KVM_TRC_HANDLER + 0x0A)
43 #define KVM_TRC_MSR_READ         (KVM_TRC_HANDLER + 0x0B)
44 #define KVM_TRC_MSR_WRITE        (KVM_TRC_HANDLER + 0x0C)
45 #define KVM_TRC_CPUID            (KVM_TRC_HANDLER + 0x0D)
46 #define KVM_TRC_INTR             (KVM_TRC_HANDLER + 0x0E)
47 #define KVM_TRC_NMI              (KVM_TRC_HANDLER + 0x0F)
48 #define KVM_TRC_VMMCALL          (KVM_TRC_HANDLER + 0x10)
49 #define KVM_TRC_HLT              (KVM_TRC_HANDLER + 0x11)
50 #define KVM_TRC_CLTS             (KVM_TRC_HANDLER + 0x12)
51 #define KVM_TRC_LMSW             (KVM_TRC_HANDLER + 0x13)
52 #define KVM_TRC_APIC_ACCESS      (KVM_TRC_HANDLER + 0x14)
53 #define KVM_TRC_TDP_FAULT        (KVM_TRC_HANDLER + 0x15)
54 #define KVM_TRC_GTLB_WRITE       (KVM_TRC_HANDLER + 0x16)
55 #define KVM_TRC_STLB_WRITE       (KVM_TRC_HANDLER + 0x17)
56 #define KVM_TRC_STLB_INVAL       (KVM_TRC_HANDLER + 0x18)
57 #define KVM_TRC_PPC_INSTR        (KVM_TRC_HANDLER + 0x19)
58 
59 struct kvm_user_trace_setup {
60 	__u32 buf_size;
61 	__u32 buf_nr;
62 };
63 
64 #define __KVM_DEPRECATED_MAIN_W_0x06 \
65 	_IOW(KVMIO, 0x06, struct kvm_user_trace_setup)
66 #define __KVM_DEPRECATED_MAIN_0x07 _IO(KVMIO, 0x07)
67 #define __KVM_DEPRECATED_MAIN_0x08 _IO(KVMIO, 0x08)
68 
69 #define __KVM_DEPRECATED_VM_R_0x70 _IOR(KVMIO, 0x70, struct kvm_assigned_irq)
70 
71 struct kvm_breakpoint {
72 	__u32 enabled;
73 	__u32 padding;
74 	__u64 address;
75 };
76 
77 struct kvm_debug_guest {
78 	__u32 enabled;
79 	__u32 pad;
80 	struct kvm_breakpoint breakpoints[4];
81 	__u32 singlestep;
82 };
83 
84 #define __KVM_DEPRECATED_VCPU_W_0x87 _IOW(KVMIO, 0x87, struct kvm_debug_guest)
85 
86 /* *** End of deprecated interfaces *** */
87 
88 
89 /* for KVM_CREATE_MEMORY_REGION */
90 struct kvm_memory_region {
91 	__u32 slot;
92 	__u32 flags;
93 	__u64 guest_phys_addr;
94 	__u64 memory_size; /* bytes */
95 };
96 
97 /* for KVM_SET_USER_MEMORY_REGION */
98 struct kvm_userspace_memory_region {
99 	__u32 slot;
100 	__u32 flags;
101 	__u64 guest_phys_addr;
102 	__u64 memory_size; /* bytes */
103 	__u64 userspace_addr; /* start of the userspace allocated memory */
104 };
105 
106 /*
107  * The bit 0 ~ bit 15 of kvm_memory_region::flags are visible for userspace,
108  * other bits are reserved for kvm internal use which are defined in
109  * include/linux/kvm_host.h.
110  */
111 #define KVM_MEM_LOG_DIRTY_PAGES	(1UL << 0)
112 #define KVM_MEM_READONLY	(1UL << 1)
113 
114 /* for KVM_IRQ_LINE */
115 struct kvm_irq_level {
116 	/*
117 	 * ACPI gsi notion of irq.
118 	 * For IA-64 (APIC model) IOAPIC0: irq 0-23; IOAPIC1: irq 24-47..
119 	 * For X86 (standard AT mode) PIC0/1: irq 0-15. IOAPIC0: 0-23..
120 	 * For ARM: See Documentation/virt/kvm/api.rst
121 	 */
122 	union {
123 		__u32 irq;
124 		__s32 status;
125 	};
126 	__u32 level;
127 };
128 
129 
130 struct kvm_irqchip {
131 	__u32 chip_id;
132 	__u32 pad;
133         union {
134 		char dummy[512];  /* reserving space */
135 #ifdef __KVM_HAVE_PIT
136 		struct kvm_pic_state pic;
137 #endif
138 #ifdef __KVM_HAVE_IOAPIC
139 		struct kvm_ioapic_state ioapic;
140 #endif
141 	} chip;
142 };
143 
144 /* for KVM_CREATE_PIT2 */
145 struct kvm_pit_config {
146 	__u32 flags;
147 	__u32 pad[15];
148 };
149 
150 #define KVM_PIT_SPEAKER_DUMMY     1
151 
152 struct kvm_s390_skeys {
153 	__u64 start_gfn;
154 	__u64 count;
155 	__u64 skeydata_addr;
156 	__u32 flags;
157 	__u32 reserved[9];
158 };
159 
160 #define KVM_S390_CMMA_PEEK (1 << 0)
161 
162 /**
163  * kvm_s390_cmma_log - Used for CMMA migration.
164  *
165  * Used both for input and output.
166  *
167  * @start_gfn: Guest page number to start from.
168  * @count: Size of the result buffer.
169  * @flags: Control operation mode via KVM_S390_CMMA_* flags
170  * @remaining: Used with KVM_S390_GET_CMMA_BITS. Indicates how many dirty
171  *             pages are still remaining.
172  * @mask: Used with KVM_S390_SET_CMMA_BITS. Bitmap of bits to actually set
173  *        in the PGSTE.
174  * @values: Pointer to the values buffer.
175  *
176  * Used in KVM_S390_{G,S}ET_CMMA_BITS ioctls.
177  */
178 struct kvm_s390_cmma_log {
179 	__u64 start_gfn;
180 	__u32 count;
181 	__u32 flags;
182 	union {
183 		__u64 remaining;
184 		__u64 mask;
185 	};
186 	__u64 values;
187 };
188 
189 struct kvm_hyperv_exit {
190 #define KVM_EXIT_HYPERV_SYNIC          1
191 #define KVM_EXIT_HYPERV_HCALL          2
192 #define KVM_EXIT_HYPERV_SYNDBG         3
193 	__u32 type;
194 	__u32 pad1;
195 	union {
196 		struct {
197 			__u32 msr;
198 			__u32 pad2;
199 			__u64 control;
200 			__u64 evt_page;
201 			__u64 msg_page;
202 		} synic;
203 		struct {
204 			__u64 input;
205 			__u64 result;
206 			__u64 params[2];
207 		} hcall;
208 		struct {
209 			__u32 msr;
210 			__u32 pad2;
211 			__u64 control;
212 			__u64 status;
213 			__u64 send_page;
214 			__u64 recv_page;
215 			__u64 pending_page;
216 		} syndbg;
217 	} u;
218 };
219 
220 struct kvm_xen_exit {
221 #define KVM_EXIT_XEN_HCALL          1
222 	__u32 type;
223 	union {
224 		struct {
225 			__u32 longmode;
226 			__u32 cpl;
227 			__u64 input;
228 			__u64 result;
229 			__u64 params[6];
230 		} hcall;
231 	} u;
232 };
233 
234 #define KVM_S390_GET_SKEYS_NONE   1
235 #define KVM_S390_SKEYS_MAX        1048576
236 
237 #define KVM_EXIT_UNKNOWN          0
238 #define KVM_EXIT_EXCEPTION        1
239 #define KVM_EXIT_IO               2
240 #define KVM_EXIT_HYPERCALL        3
241 #define KVM_EXIT_DEBUG            4
242 #define KVM_EXIT_HLT              5
243 #define KVM_EXIT_MMIO             6
244 #define KVM_EXIT_IRQ_WINDOW_OPEN  7
245 #define KVM_EXIT_SHUTDOWN         8
246 #define KVM_EXIT_FAIL_ENTRY       9
247 #define KVM_EXIT_INTR             10
248 #define KVM_EXIT_SET_TPR          11
249 #define KVM_EXIT_TPR_ACCESS       12
250 #define KVM_EXIT_S390_SIEIC       13
251 #define KVM_EXIT_S390_RESET       14
252 #define KVM_EXIT_DCR              15 /* deprecated */
253 #define KVM_EXIT_NMI              16
254 #define KVM_EXIT_INTERNAL_ERROR   17
255 #define KVM_EXIT_OSI              18
256 #define KVM_EXIT_PAPR_HCALL	  19
257 #define KVM_EXIT_S390_UCONTROL	  20
258 #define KVM_EXIT_WATCHDOG         21
259 #define KVM_EXIT_S390_TSCH        22
260 #define KVM_EXIT_EPR              23
261 #define KVM_EXIT_SYSTEM_EVENT     24
262 #define KVM_EXIT_S390_STSI        25
263 #define KVM_EXIT_IOAPIC_EOI       26
264 #define KVM_EXIT_HYPERV           27
265 #define KVM_EXIT_ARM_NISV         28
266 #define KVM_EXIT_X86_RDMSR        29
267 #define KVM_EXIT_X86_WRMSR        30
268 #define KVM_EXIT_DIRTY_RING_FULL  31
269 #define KVM_EXIT_AP_RESET_HOLD    32
270 #define KVM_EXIT_X86_BUS_LOCK     33
271 #define KVM_EXIT_XEN              34
272 
273 /* For KVM_EXIT_INTERNAL_ERROR */
274 /* Emulate instruction failed. */
275 #define KVM_INTERNAL_ERROR_EMULATION	1
276 /* Encounter unexpected simultaneous exceptions. */
277 #define KVM_INTERNAL_ERROR_SIMUL_EX	2
278 /* Encounter unexpected vm-exit due to delivery event. */
279 #define KVM_INTERNAL_ERROR_DELIVERY_EV	3
280 /* Encounter unexpected vm-exit reason */
281 #define KVM_INTERNAL_ERROR_UNEXPECTED_EXIT_REASON	4
282 
283 /* for KVM_RUN, returned by mmap(vcpu_fd, offset=0) */
284 struct kvm_run {
285 	/* in */
286 	__u8 request_interrupt_window;
287 	__u8 immediate_exit;
288 	__u8 padding1[6];
289 
290 	/* out */
291 	__u32 exit_reason;
292 	__u8 ready_for_interrupt_injection;
293 	__u8 if_flag;
294 	__u16 flags;
295 
296 	/* in (pre_kvm_run), out (post_kvm_run) */
297 	__u64 cr8;
298 	__u64 apic_base;
299 
300 #ifdef __KVM_S390
301 	/* the processor status word for s390 */
302 	__u64 psw_mask; /* psw upper half */
303 	__u64 psw_addr; /* psw lower half */
304 #endif
305 	union {
306 		/* KVM_EXIT_UNKNOWN */
307 		struct {
308 			__u64 hardware_exit_reason;
309 		} hw;
310 		/* KVM_EXIT_FAIL_ENTRY */
311 		struct {
312 			__u64 hardware_entry_failure_reason;
313 			__u32 cpu;
314 		} fail_entry;
315 		/* KVM_EXIT_EXCEPTION */
316 		struct {
317 			__u32 exception;
318 			__u32 error_code;
319 		} ex;
320 		/* KVM_EXIT_IO */
321 		struct {
322 #define KVM_EXIT_IO_IN  0
323 #define KVM_EXIT_IO_OUT 1
324 			__u8 direction;
325 			__u8 size; /* bytes */
326 			__u16 port;
327 			__u32 count;
328 			__u64 data_offset; /* relative to kvm_run start */
329 		} io;
330 		/* KVM_EXIT_DEBUG */
331 		struct {
332 			struct kvm_debug_exit_arch arch;
333 		} debug;
334 		/* KVM_EXIT_MMIO */
335 		struct {
336 			__u64 phys_addr;
337 			__u8  data[8];
338 			__u32 len;
339 			__u8  is_write;
340 		} mmio;
341 		/* KVM_EXIT_HYPERCALL */
342 		struct {
343 			__u64 nr;
344 			__u64 args[6];
345 			__u64 ret;
346 			__u32 longmode;
347 			__u32 pad;
348 		} hypercall;
349 		/* KVM_EXIT_TPR_ACCESS */
350 		struct {
351 			__u64 rip;
352 			__u32 is_write;
353 			__u32 pad;
354 		} tpr_access;
355 		/* KVM_EXIT_S390_SIEIC */
356 		struct {
357 			__u8 icptcode;
358 			__u16 ipa;
359 			__u32 ipb;
360 		} s390_sieic;
361 		/* KVM_EXIT_S390_RESET */
362 #define KVM_S390_RESET_POR       1
363 #define KVM_S390_RESET_CLEAR     2
364 #define KVM_S390_RESET_SUBSYSTEM 4
365 #define KVM_S390_RESET_CPU_INIT  8
366 #define KVM_S390_RESET_IPL       16
367 		__u64 s390_reset_flags;
368 		/* KVM_EXIT_S390_UCONTROL */
369 		struct {
370 			__u64 trans_exc_code;
371 			__u32 pgm_code;
372 		} s390_ucontrol;
373 		/* KVM_EXIT_DCR (deprecated) */
374 		struct {
375 			__u32 dcrn;
376 			__u32 data;
377 			__u8  is_write;
378 		} dcr;
379 		/* KVM_EXIT_INTERNAL_ERROR */
380 		struct {
381 			__u32 suberror;
382 			/* Available with KVM_CAP_INTERNAL_ERROR_DATA: */
383 			__u32 ndata;
384 			__u64 data[16];
385 		} internal;
386 		/* KVM_EXIT_OSI */
387 		struct {
388 			__u64 gprs[32];
389 		} osi;
390 		/* KVM_EXIT_PAPR_HCALL */
391 		struct {
392 			__u64 nr;
393 			__u64 ret;
394 			__u64 args[9];
395 		} papr_hcall;
396 		/* KVM_EXIT_S390_TSCH */
397 		struct {
398 			__u16 subchannel_id;
399 			__u16 subchannel_nr;
400 			__u32 io_int_parm;
401 			__u32 io_int_word;
402 			__u32 ipb;
403 			__u8 dequeued;
404 		} s390_tsch;
405 		/* KVM_EXIT_EPR */
406 		struct {
407 			__u32 epr;
408 		} epr;
409 		/* KVM_EXIT_SYSTEM_EVENT */
410 		struct {
411 #define KVM_SYSTEM_EVENT_SHUTDOWN       1
412 #define KVM_SYSTEM_EVENT_RESET          2
413 #define KVM_SYSTEM_EVENT_CRASH          3
414 			__u32 type;
415 			__u64 flags;
416 		} system_event;
417 		/* KVM_EXIT_S390_STSI */
418 		struct {
419 			__u64 addr;
420 			__u8 ar;
421 			__u8 reserved;
422 			__u8 fc;
423 			__u8 sel1;
424 			__u16 sel2;
425 		} s390_stsi;
426 		/* KVM_EXIT_IOAPIC_EOI */
427 		struct {
428 			__u8 vector;
429 		} eoi;
430 		/* KVM_EXIT_HYPERV */
431 		struct kvm_hyperv_exit hyperv;
432 		/* KVM_EXIT_ARM_NISV */
433 		struct {
434 			__u64 esr_iss;
435 			__u64 fault_ipa;
436 		} arm_nisv;
437 		/* KVM_EXIT_X86_RDMSR / KVM_EXIT_X86_WRMSR */
438 		struct {
439 			__u8 error; /* user -> kernel */
440 			__u8 pad[7];
441 #define KVM_MSR_EXIT_REASON_INVAL	(1 << 0)
442 #define KVM_MSR_EXIT_REASON_UNKNOWN	(1 << 1)
443 #define KVM_MSR_EXIT_REASON_FILTER	(1 << 2)
444 			__u32 reason; /* kernel -> user */
445 			__u32 index; /* kernel -> user */
446 			__u64 data; /* kernel <-> user */
447 		} msr;
448 		/* KVM_EXIT_XEN */
449 		struct kvm_xen_exit xen;
450 		/* Fix the size of the union. */
451 		char padding[256];
452 	};
453 
454 	/* 2048 is the size of the char array used to bound/pad the size
455 	 * of the union that holds sync regs.
456 	 */
457 	#define SYNC_REGS_SIZE_BYTES 2048
458 	/*
459 	 * shared registers between kvm and userspace.
460 	 * kvm_valid_regs specifies the register classes set by the host
461 	 * kvm_dirty_regs specified the register classes dirtied by userspace
462 	 * struct kvm_sync_regs is architecture specific, as well as the
463 	 * bits for kvm_valid_regs and kvm_dirty_regs
464 	 */
465 	__u64 kvm_valid_regs;
466 	__u64 kvm_dirty_regs;
467 	union {
468 		struct kvm_sync_regs regs;
469 		char padding[SYNC_REGS_SIZE_BYTES];
470 	} s;
471 };
472 
473 /* for KVM_REGISTER_COALESCED_MMIO / KVM_UNREGISTER_COALESCED_MMIO */
474 
475 struct kvm_coalesced_mmio_zone {
476 	__u64 addr;
477 	__u32 size;
478 	union {
479 		__u32 pad;
480 		__u32 pio;
481 	};
482 };
483 
484 struct kvm_coalesced_mmio {
485 	__u64 phys_addr;
486 	__u32 len;
487 	union {
488 		__u32 pad;
489 		__u32 pio;
490 	};
491 	__u8  data[8];
492 };
493 
494 struct kvm_coalesced_mmio_ring {
495 	__u32 first, last;
496 	struct kvm_coalesced_mmio coalesced_mmio[0];
497 };
498 
499 #define KVM_COALESCED_MMIO_MAX \
500 	((PAGE_SIZE - sizeof(struct kvm_coalesced_mmio_ring)) / \
501 	 sizeof(struct kvm_coalesced_mmio))
502 
503 /* for KVM_TRANSLATE */
504 struct kvm_translation {
505 	/* in */
506 	__u64 linear_address;
507 
508 	/* out */
509 	__u64 physical_address;
510 	__u8  valid;
511 	__u8  writeable;
512 	__u8  usermode;
513 	__u8  pad[5];
514 };
515 
516 /* for KVM_S390_MEM_OP */
517 struct kvm_s390_mem_op {
518 	/* in */
519 	__u64 gaddr;		/* the guest address */
520 	__u64 flags;		/* flags */
521 	__u32 size;		/* amount of bytes */
522 	__u32 op;		/* type of operation */
523 	__u64 buf;		/* buffer in userspace */
524 	union {
525 		__u8 ar;	/* the access register number */
526 		__u32 sida_offset; /* offset into the sida */
527 		__u8 reserved[32]; /* should be set to 0 */
528 	};
529 };
530 /* types for kvm_s390_mem_op->op */
531 #define KVM_S390_MEMOP_LOGICAL_READ	0
532 #define KVM_S390_MEMOP_LOGICAL_WRITE	1
533 #define KVM_S390_MEMOP_SIDA_READ	2
534 #define KVM_S390_MEMOP_SIDA_WRITE	3
535 /* flags for kvm_s390_mem_op->flags */
536 #define KVM_S390_MEMOP_F_CHECK_ONLY		(1ULL << 0)
537 #define KVM_S390_MEMOP_F_INJECT_EXCEPTION	(1ULL << 1)
538 
539 /* for KVM_INTERRUPT */
540 struct kvm_interrupt {
541 	/* in */
542 	__u32 irq;
543 };
544 
545 /* for KVM_GET_DIRTY_LOG */
546 struct kvm_dirty_log {
547 	__u32 slot;
548 	__u32 padding1;
549 	union {
550 		void *dirty_bitmap; /* one bit per page */
551 		__u64 padding2;
552 	};
553 };
554 
555 /* for KVM_CLEAR_DIRTY_LOG */
556 struct kvm_clear_dirty_log {
557 	__u32 slot;
558 	__u32 num_pages;
559 	__u64 first_page;
560 	union {
561 		void *dirty_bitmap; /* one bit per page */
562 		__u64 padding2;
563 	};
564 };
565 
566 /* for KVM_SET_SIGNAL_MASK */
567 struct kvm_signal_mask {
568 	__u32 len;
569 	__u8  sigset[0];
570 };
571 
572 /* for KVM_TPR_ACCESS_REPORTING */
573 struct kvm_tpr_access_ctl {
574 	__u32 enabled;
575 	__u32 flags;
576 	__u32 reserved[8];
577 };
578 
579 /* for KVM_SET_VAPIC_ADDR */
580 struct kvm_vapic_addr {
581 	__u64 vapic_addr;
582 };
583 
584 /* for KVM_SET_MP_STATE */
585 
586 /* not all states are valid on all architectures */
587 #define KVM_MP_STATE_RUNNABLE          0
588 #define KVM_MP_STATE_UNINITIALIZED     1
589 #define KVM_MP_STATE_INIT_RECEIVED     2
590 #define KVM_MP_STATE_HALTED            3
591 #define KVM_MP_STATE_SIPI_RECEIVED     4
592 #define KVM_MP_STATE_STOPPED           5
593 #define KVM_MP_STATE_CHECK_STOP        6
594 #define KVM_MP_STATE_OPERATING         7
595 #define KVM_MP_STATE_LOAD              8
596 #define KVM_MP_STATE_AP_RESET_HOLD     9
597 
598 struct kvm_mp_state {
599 	__u32 mp_state;
600 };
601 
602 struct kvm_s390_psw {
603 	__u64 mask;
604 	__u64 addr;
605 };
606 
607 /* valid values for type in kvm_s390_interrupt */
608 #define KVM_S390_SIGP_STOP		0xfffe0000u
609 #define KVM_S390_PROGRAM_INT		0xfffe0001u
610 #define KVM_S390_SIGP_SET_PREFIX	0xfffe0002u
611 #define KVM_S390_RESTART		0xfffe0003u
612 #define KVM_S390_INT_PFAULT_INIT	0xfffe0004u
613 #define KVM_S390_INT_PFAULT_DONE	0xfffe0005u
614 #define KVM_S390_MCHK			0xfffe1000u
615 #define KVM_S390_INT_CLOCK_COMP		0xffff1004u
616 #define KVM_S390_INT_CPU_TIMER		0xffff1005u
617 #define KVM_S390_INT_VIRTIO		0xffff2603u
618 #define KVM_S390_INT_SERVICE		0xffff2401u
619 #define KVM_S390_INT_EMERGENCY		0xffff1201u
620 #define KVM_S390_INT_EXTERNAL_CALL	0xffff1202u
621 /* Anything below 0xfffe0000u is taken by INT_IO */
622 #define KVM_S390_INT_IO(ai,cssid,ssid,schid)   \
623 	(((schid)) |			       \
624 	 ((ssid) << 16) |		       \
625 	 ((cssid) << 18) |		       \
626 	 ((ai) << 26))
627 #define KVM_S390_INT_IO_MIN		0x00000000u
628 #define KVM_S390_INT_IO_MAX		0xfffdffffu
629 #define KVM_S390_INT_IO_AI_MASK		0x04000000u
630 
631 
632 struct kvm_s390_interrupt {
633 	__u32 type;
634 	__u32 parm;
635 	__u64 parm64;
636 };
637 
638 struct kvm_s390_io_info {
639 	__u16 subchannel_id;
640 	__u16 subchannel_nr;
641 	__u32 io_int_parm;
642 	__u32 io_int_word;
643 };
644 
645 struct kvm_s390_ext_info {
646 	__u32 ext_params;
647 	__u32 pad;
648 	__u64 ext_params2;
649 };
650 
651 struct kvm_s390_pgm_info {
652 	__u64 trans_exc_code;
653 	__u64 mon_code;
654 	__u64 per_address;
655 	__u32 data_exc_code;
656 	__u16 code;
657 	__u16 mon_class_nr;
658 	__u8 per_code;
659 	__u8 per_atmid;
660 	__u8 exc_access_id;
661 	__u8 per_access_id;
662 	__u8 op_access_id;
663 #define KVM_S390_PGM_FLAGS_ILC_VALID	0x01
664 #define KVM_S390_PGM_FLAGS_ILC_0	0x02
665 #define KVM_S390_PGM_FLAGS_ILC_1	0x04
666 #define KVM_S390_PGM_FLAGS_ILC_MASK	0x06
667 #define KVM_S390_PGM_FLAGS_NO_REWIND	0x08
668 	__u8 flags;
669 	__u8 pad[2];
670 };
671 
672 struct kvm_s390_prefix_info {
673 	__u32 address;
674 };
675 
676 struct kvm_s390_extcall_info {
677 	__u16 code;
678 };
679 
680 struct kvm_s390_emerg_info {
681 	__u16 code;
682 };
683 
684 #define KVM_S390_STOP_FLAG_STORE_STATUS	0x01
685 struct kvm_s390_stop_info {
686 	__u32 flags;
687 };
688 
689 struct kvm_s390_mchk_info {
690 	__u64 cr14;
691 	__u64 mcic;
692 	__u64 failing_storage_address;
693 	__u32 ext_damage_code;
694 	__u32 pad;
695 	__u8 fixed_logout[16];
696 };
697 
698 struct kvm_s390_irq {
699 	__u64 type;
700 	union {
701 		struct kvm_s390_io_info io;
702 		struct kvm_s390_ext_info ext;
703 		struct kvm_s390_pgm_info pgm;
704 		struct kvm_s390_emerg_info emerg;
705 		struct kvm_s390_extcall_info extcall;
706 		struct kvm_s390_prefix_info prefix;
707 		struct kvm_s390_stop_info stop;
708 		struct kvm_s390_mchk_info mchk;
709 		char reserved[64];
710 	} u;
711 };
712 
713 struct kvm_s390_irq_state {
714 	__u64 buf;
715 	__u32 flags;        /* will stay unused for compatibility reasons */
716 	__u32 len;
717 	__u32 reserved[4];  /* will stay unused for compatibility reasons */
718 };
719 
720 /* for KVM_SET_GUEST_DEBUG */
721 
722 #define KVM_GUESTDBG_ENABLE		0x00000001
723 #define KVM_GUESTDBG_SINGLESTEP		0x00000002
724 
725 struct kvm_guest_debug {
726 	__u32 control;
727 	__u32 pad;
728 	struct kvm_guest_debug_arch arch;
729 };
730 
731 enum {
732 	kvm_ioeventfd_flag_nr_datamatch,
733 	kvm_ioeventfd_flag_nr_pio,
734 	kvm_ioeventfd_flag_nr_deassign,
735 	kvm_ioeventfd_flag_nr_virtio_ccw_notify,
736 	kvm_ioeventfd_flag_nr_fast_mmio,
737 	kvm_ioeventfd_flag_nr_max,
738 };
739 
740 #define KVM_IOEVENTFD_FLAG_DATAMATCH (1 << kvm_ioeventfd_flag_nr_datamatch)
741 #define KVM_IOEVENTFD_FLAG_PIO       (1 << kvm_ioeventfd_flag_nr_pio)
742 #define KVM_IOEVENTFD_FLAG_DEASSIGN  (1 << kvm_ioeventfd_flag_nr_deassign)
743 #define KVM_IOEVENTFD_FLAG_VIRTIO_CCW_NOTIFY \
744 	(1 << kvm_ioeventfd_flag_nr_virtio_ccw_notify)
745 
746 #define KVM_IOEVENTFD_VALID_FLAG_MASK  ((1 << kvm_ioeventfd_flag_nr_max) - 1)
747 
748 struct kvm_ioeventfd {
749 	__u64 datamatch;
750 	__u64 addr;        /* legal pio/mmio address */
751 	__u32 len;         /* 1, 2, 4, or 8 bytes; or 0 to ignore length */
752 	__s32 fd;
753 	__u32 flags;
754 	__u8  pad[36];
755 };
756 
757 #define KVM_X86_DISABLE_EXITS_MWAIT          (1 << 0)
758 #define KVM_X86_DISABLE_EXITS_HLT            (1 << 1)
759 #define KVM_X86_DISABLE_EXITS_PAUSE          (1 << 2)
760 #define KVM_X86_DISABLE_EXITS_CSTATE         (1 << 3)
761 #define KVM_X86_DISABLE_VALID_EXITS          (KVM_X86_DISABLE_EXITS_MWAIT | \
762                                               KVM_X86_DISABLE_EXITS_HLT | \
763                                               KVM_X86_DISABLE_EXITS_PAUSE | \
764                                               KVM_X86_DISABLE_EXITS_CSTATE)
765 
766 /* for KVM_ENABLE_CAP */
767 struct kvm_enable_cap {
768 	/* in */
769 	__u32 cap;
770 	__u32 flags;
771 	__u64 args[4];
772 	__u8  pad[64];
773 };
774 
775 /* for KVM_PPC_GET_PVINFO */
776 
777 #define KVM_PPC_PVINFO_FLAGS_EV_IDLE   (1<<0)
778 
779 struct kvm_ppc_pvinfo {
780 	/* out */
781 	__u32 flags;
782 	__u32 hcall[4];
783 	__u8  pad[108];
784 };
785 
786 /* for KVM_PPC_GET_SMMU_INFO */
787 #define KVM_PPC_PAGE_SIZES_MAX_SZ	8
788 
789 struct kvm_ppc_one_page_size {
790 	__u32 page_shift;	/* Page shift (or 0) */
791 	__u32 pte_enc;		/* Encoding in the HPTE (>>12) */
792 };
793 
794 struct kvm_ppc_one_seg_page_size {
795 	__u32 page_shift;	/* Base page shift of segment (or 0) */
796 	__u32 slb_enc;		/* SLB encoding for BookS */
797 	struct kvm_ppc_one_page_size enc[KVM_PPC_PAGE_SIZES_MAX_SZ];
798 };
799 
800 #define KVM_PPC_PAGE_SIZES_REAL		0x00000001
801 #define KVM_PPC_1T_SEGMENTS		0x00000002
802 #define KVM_PPC_NO_HASH			0x00000004
803 
804 struct kvm_ppc_smmu_info {
805 	__u64 flags;
806 	__u32 slb_size;
807 	__u16 data_keys;	/* # storage keys supported for data */
808 	__u16 instr_keys;	/* # storage keys supported for instructions */
809 	struct kvm_ppc_one_seg_page_size sps[KVM_PPC_PAGE_SIZES_MAX_SZ];
810 };
811 
812 /* for KVM_PPC_RESIZE_HPT_{PREPARE,COMMIT} */
813 struct kvm_ppc_resize_hpt {
814 	__u64 flags;
815 	__u32 shift;
816 	__u32 pad;
817 };
818 
819 #define KVMIO 0xAE
820 
821 /* machine type bits, to be used as argument to KVM_CREATE_VM */
822 #define KVM_VM_S390_UCONTROL	1
823 
824 /* on ppc, 0 indicate default, 1 should force HV and 2 PR */
825 #define KVM_VM_PPC_HV 1
826 #define KVM_VM_PPC_PR 2
827 
828 /* on MIPS, 0 indicates auto, 1 forces VZ ASE, 2 forces trap & emulate */
829 #define KVM_VM_MIPS_AUTO	0
830 #define KVM_VM_MIPS_VZ		1
831 #define KVM_VM_MIPS_TE		2
832 
833 #define KVM_S390_SIE_PAGE_OFFSET 1
834 
835 /*
836  * On arm64, machine type can be used to request the physical
837  * address size for the VM. Bits[7-0] are reserved for the guest
838  * PA size shift (i.e, log2(PA_Size)). For backward compatibility,
839  * value 0 implies the default IPA size, 40bits.
840  */
841 #define KVM_VM_TYPE_ARM_IPA_SIZE_MASK	0xffULL
842 #define KVM_VM_TYPE_ARM_IPA_SIZE(x)		\
843 	((x) & KVM_VM_TYPE_ARM_IPA_SIZE_MASK)
844 /*
845  * ioctls for /dev/kvm fds:
846  */
847 #define KVM_GET_API_VERSION       _IO(KVMIO,   0x00)
848 #define KVM_CREATE_VM             _IO(KVMIO,   0x01) /* returns a VM fd */
849 #define KVM_GET_MSR_INDEX_LIST    _IOWR(KVMIO, 0x02, struct kvm_msr_list)
850 
851 #define KVM_S390_ENABLE_SIE       _IO(KVMIO,   0x06)
852 /*
853  * Check if a kvm extension is available.  Argument is extension number,
854  * return is 1 (yes) or 0 (no, sorry).
855  */
856 #define KVM_CHECK_EXTENSION       _IO(KVMIO,   0x03)
857 /*
858  * Get size for mmap(vcpu_fd)
859  */
860 #define KVM_GET_VCPU_MMAP_SIZE    _IO(KVMIO,   0x04) /* in bytes */
861 #define KVM_GET_SUPPORTED_CPUID   _IOWR(KVMIO, 0x05, struct kvm_cpuid2)
862 #define KVM_TRACE_ENABLE          __KVM_DEPRECATED_MAIN_W_0x06
863 #define KVM_TRACE_PAUSE           __KVM_DEPRECATED_MAIN_0x07
864 #define KVM_TRACE_DISABLE         __KVM_DEPRECATED_MAIN_0x08
865 #define KVM_GET_EMULATED_CPUID	  _IOWR(KVMIO, 0x09, struct kvm_cpuid2)
866 #define KVM_GET_MSR_FEATURE_INDEX_LIST    _IOWR(KVMIO, 0x0a, struct kvm_msr_list)
867 
868 /*
869  * Extension capability list.
870  */
871 #define KVM_CAP_IRQCHIP	  0
872 #define KVM_CAP_HLT	  1
873 #define KVM_CAP_MMU_SHADOW_CACHE_CONTROL 2
874 #define KVM_CAP_USER_MEMORY 3
875 #define KVM_CAP_SET_TSS_ADDR 4
876 #define KVM_CAP_VAPIC 6
877 #define KVM_CAP_EXT_CPUID 7
878 #define KVM_CAP_CLOCKSOURCE 8
879 #define KVM_CAP_NR_VCPUS 9       /* returns recommended max vcpus per vm */
880 #define KVM_CAP_NR_MEMSLOTS 10   /* returns max memory slots per vm */
881 #define KVM_CAP_PIT 11
882 #define KVM_CAP_NOP_IO_DELAY 12
883 #define KVM_CAP_PV_MMU 13
884 #define KVM_CAP_MP_STATE 14
885 #define KVM_CAP_COALESCED_MMIO 15
886 #define KVM_CAP_SYNC_MMU 16  /* Changes to host mmap are reflected in guest */
887 #define KVM_CAP_IOMMU 18
888 /* Bug in KVM_SET_USER_MEMORY_REGION fixed: */
889 #define KVM_CAP_DESTROY_MEMORY_REGION_WORKS 21
890 #define KVM_CAP_USER_NMI 22
891 #ifdef __KVM_HAVE_GUEST_DEBUG
892 #define KVM_CAP_SET_GUEST_DEBUG 23
893 #endif
894 #ifdef __KVM_HAVE_PIT
895 #define KVM_CAP_REINJECT_CONTROL 24
896 #endif
897 #define KVM_CAP_IRQ_ROUTING 25
898 #define KVM_CAP_IRQ_INJECT_STATUS 26
899 #define KVM_CAP_ASSIGN_DEV_IRQ 29
900 /* Another bug in KVM_SET_USER_MEMORY_REGION fixed: */
901 #define KVM_CAP_JOIN_MEMORY_REGIONS_WORKS 30
902 #ifdef __KVM_HAVE_MCE
903 #define KVM_CAP_MCE 31
904 #endif
905 #define KVM_CAP_IRQFD 32
906 #ifdef __KVM_HAVE_PIT
907 #define KVM_CAP_PIT2 33
908 #endif
909 #define KVM_CAP_SET_BOOT_CPU_ID 34
910 #ifdef __KVM_HAVE_PIT_STATE2
911 #define KVM_CAP_PIT_STATE2 35
912 #endif
913 #define KVM_CAP_IOEVENTFD 36
914 #define KVM_CAP_SET_IDENTITY_MAP_ADDR 37
915 #ifdef __KVM_HAVE_XEN_HVM
916 #define KVM_CAP_XEN_HVM 38
917 #endif
918 #define KVM_CAP_ADJUST_CLOCK 39
919 #define KVM_CAP_INTERNAL_ERROR_DATA 40
920 #ifdef __KVM_HAVE_VCPU_EVENTS
921 #define KVM_CAP_VCPU_EVENTS 41
922 #endif
923 #define KVM_CAP_S390_PSW 42
924 #define KVM_CAP_PPC_SEGSTATE 43
925 #define KVM_CAP_HYPERV 44
926 #define KVM_CAP_HYPERV_VAPIC 45
927 #define KVM_CAP_HYPERV_SPIN 46
928 #define KVM_CAP_PCI_SEGMENT 47
929 #define KVM_CAP_PPC_PAIRED_SINGLES 48
930 #define KVM_CAP_INTR_SHADOW 49
931 #ifdef __KVM_HAVE_DEBUGREGS
932 #define KVM_CAP_DEBUGREGS 50
933 #endif
934 #define KVM_CAP_X86_ROBUST_SINGLESTEP 51
935 #define KVM_CAP_PPC_OSI 52
936 #define KVM_CAP_PPC_UNSET_IRQ 53
937 #define KVM_CAP_ENABLE_CAP 54
938 #ifdef __KVM_HAVE_XSAVE
939 #define KVM_CAP_XSAVE 55
940 #endif
941 #ifdef __KVM_HAVE_XCRS
942 #define KVM_CAP_XCRS 56
943 #endif
944 #define KVM_CAP_PPC_GET_PVINFO 57
945 #define KVM_CAP_PPC_IRQ_LEVEL 58
946 #define KVM_CAP_ASYNC_PF 59
947 #define KVM_CAP_TSC_CONTROL 60
948 #define KVM_CAP_GET_TSC_KHZ 61
949 #define KVM_CAP_PPC_BOOKE_SREGS 62
950 #define KVM_CAP_SPAPR_TCE 63
951 #define KVM_CAP_PPC_SMT 64
952 #define KVM_CAP_PPC_RMA	65
953 #define KVM_CAP_MAX_VCPUS 66       /* returns max vcpus per vm */
954 #define KVM_CAP_PPC_HIOR 67
955 #define KVM_CAP_PPC_PAPR 68
956 #define KVM_CAP_SW_TLB 69
957 #define KVM_CAP_ONE_REG 70
958 #define KVM_CAP_S390_GMAP 71
959 #define KVM_CAP_TSC_DEADLINE_TIMER 72
960 #define KVM_CAP_S390_UCONTROL 73
961 #define KVM_CAP_SYNC_REGS 74
962 #define KVM_CAP_PCI_2_3 75
963 #define KVM_CAP_KVMCLOCK_CTRL 76
964 #define KVM_CAP_SIGNAL_MSI 77
965 #define KVM_CAP_PPC_GET_SMMU_INFO 78
966 #define KVM_CAP_S390_COW 79
967 #define KVM_CAP_PPC_ALLOC_HTAB 80
968 #define KVM_CAP_READONLY_MEM 81
969 #define KVM_CAP_IRQFD_RESAMPLE 82
970 #define KVM_CAP_PPC_BOOKE_WATCHDOG 83
971 #define KVM_CAP_PPC_HTAB_FD 84
972 #define KVM_CAP_S390_CSS_SUPPORT 85
973 #define KVM_CAP_PPC_EPR 86
974 #define KVM_CAP_ARM_PSCI 87
975 #define KVM_CAP_ARM_SET_DEVICE_ADDR 88
976 #define KVM_CAP_DEVICE_CTRL 89
977 #define KVM_CAP_IRQ_MPIC 90
978 #define KVM_CAP_PPC_RTAS 91
979 #define KVM_CAP_IRQ_XICS 92
980 #define KVM_CAP_ARM_EL1_32BIT 93
981 #define KVM_CAP_SPAPR_MULTITCE 94
982 #define KVM_CAP_EXT_EMUL_CPUID 95
983 #define KVM_CAP_HYPERV_TIME 96
984 #define KVM_CAP_IOAPIC_POLARITY_IGNORED 97
985 #define KVM_CAP_ENABLE_CAP_VM 98
986 #define KVM_CAP_S390_IRQCHIP 99
987 #define KVM_CAP_IOEVENTFD_NO_LENGTH 100
988 #define KVM_CAP_VM_ATTRIBUTES 101
989 #define KVM_CAP_ARM_PSCI_0_2 102
990 #define KVM_CAP_PPC_FIXUP_HCALL 103
991 #define KVM_CAP_PPC_ENABLE_HCALL 104
992 #define KVM_CAP_CHECK_EXTENSION_VM 105
993 #define KVM_CAP_S390_USER_SIGP 106
994 #define KVM_CAP_S390_VECTOR_REGISTERS 107
995 #define KVM_CAP_S390_MEM_OP 108
996 #define KVM_CAP_S390_USER_STSI 109
997 #define KVM_CAP_S390_SKEYS 110
998 #define KVM_CAP_MIPS_FPU 111
999 #define KVM_CAP_MIPS_MSA 112
1000 #define KVM_CAP_S390_INJECT_IRQ 113
1001 #define KVM_CAP_S390_IRQ_STATE 114
1002 #define KVM_CAP_PPC_HWRNG 115
1003 #define KVM_CAP_DISABLE_QUIRKS 116
1004 #define KVM_CAP_X86_SMM 117
1005 #define KVM_CAP_MULTI_ADDRESS_SPACE 118
1006 #define KVM_CAP_GUEST_DEBUG_HW_BPS 119
1007 #define KVM_CAP_GUEST_DEBUG_HW_WPS 120
1008 #define KVM_CAP_SPLIT_IRQCHIP 121
1009 #define KVM_CAP_IOEVENTFD_ANY_LENGTH 122
1010 #define KVM_CAP_HYPERV_SYNIC 123
1011 #define KVM_CAP_S390_RI 124
1012 #define KVM_CAP_SPAPR_TCE_64 125
1013 #define KVM_CAP_ARM_PMU_V3 126
1014 #define KVM_CAP_VCPU_ATTRIBUTES 127
1015 #define KVM_CAP_MAX_VCPU_ID 128
1016 #define KVM_CAP_X2APIC_API 129
1017 #define KVM_CAP_S390_USER_INSTR0 130
1018 #define KVM_CAP_MSI_DEVID 131
1019 #define KVM_CAP_PPC_HTM 132
1020 #define KVM_CAP_SPAPR_RESIZE_HPT 133
1021 #define KVM_CAP_PPC_MMU_RADIX 134
1022 #define KVM_CAP_PPC_MMU_HASH_V3 135
1023 #define KVM_CAP_IMMEDIATE_EXIT 136
1024 #define KVM_CAP_MIPS_VZ 137
1025 #define KVM_CAP_MIPS_TE 138
1026 #define KVM_CAP_MIPS_64BIT 139
1027 #define KVM_CAP_S390_GS 140
1028 #define KVM_CAP_S390_AIS 141
1029 #define KVM_CAP_SPAPR_TCE_VFIO 142
1030 #define KVM_CAP_X86_DISABLE_EXITS 143
1031 #define KVM_CAP_ARM_USER_IRQ 144
1032 #define KVM_CAP_S390_CMMA_MIGRATION 145
1033 #define KVM_CAP_PPC_FWNMI 146
1034 #define KVM_CAP_PPC_SMT_POSSIBLE 147
1035 #define KVM_CAP_HYPERV_SYNIC2 148
1036 #define KVM_CAP_HYPERV_VP_INDEX 149
1037 #define KVM_CAP_S390_AIS_MIGRATION 150
1038 #define KVM_CAP_PPC_GET_CPU_CHAR 151
1039 #define KVM_CAP_S390_BPB 152
1040 #define KVM_CAP_GET_MSR_FEATURES 153
1041 #define KVM_CAP_HYPERV_EVENTFD 154
1042 #define KVM_CAP_HYPERV_TLBFLUSH 155
1043 #define KVM_CAP_S390_HPAGE_1M 156
1044 #define KVM_CAP_NESTED_STATE 157
1045 #define KVM_CAP_ARM_INJECT_SERROR_ESR 158
1046 #define KVM_CAP_MSR_PLATFORM_INFO 159
1047 #define KVM_CAP_PPC_NESTED_HV 160
1048 #define KVM_CAP_HYPERV_SEND_IPI 161
1049 #define KVM_CAP_COALESCED_PIO 162
1050 #define KVM_CAP_HYPERV_ENLIGHTENED_VMCS 163
1051 #define KVM_CAP_EXCEPTION_PAYLOAD 164
1052 #define KVM_CAP_ARM_VM_IPA_SIZE 165
1053 #define KVM_CAP_MANUAL_DIRTY_LOG_PROTECT 166 /* Obsolete */
1054 #define KVM_CAP_HYPERV_CPUID 167
1055 #define KVM_CAP_MANUAL_DIRTY_LOG_PROTECT2 168
1056 #define KVM_CAP_PPC_IRQ_XIVE 169
1057 #define KVM_CAP_ARM_SVE 170
1058 #define KVM_CAP_ARM_PTRAUTH_ADDRESS 171
1059 #define KVM_CAP_ARM_PTRAUTH_GENERIC 172
1060 #define KVM_CAP_PMU_EVENT_FILTER 173
1061 #define KVM_CAP_ARM_IRQ_LINE_LAYOUT_2 174
1062 #define KVM_CAP_HYPERV_DIRECT_TLBFLUSH 175
1063 #define KVM_CAP_PPC_GUEST_DEBUG_SSTEP 176
1064 #define KVM_CAP_ARM_NISV_TO_USER 177
1065 #define KVM_CAP_ARM_INJECT_EXT_DABT 178
1066 #define KVM_CAP_S390_VCPU_RESETS 179
1067 #define KVM_CAP_S390_PROTECTED 180
1068 #define KVM_CAP_PPC_SECURE_GUEST 181
1069 #define KVM_CAP_HALT_POLL 182
1070 #define KVM_CAP_ASYNC_PF_INT 183
1071 #define KVM_CAP_LAST_CPU 184
1072 #define KVM_CAP_SMALLER_MAXPHYADDR 185
1073 #define KVM_CAP_S390_DIAG318 186
1074 #define KVM_CAP_STEAL_TIME 187
1075 #define KVM_CAP_X86_USER_SPACE_MSR 188
1076 #define KVM_CAP_X86_MSR_FILTER 189
1077 #define KVM_CAP_ENFORCE_PV_FEATURE_CPUID 190
1078 #define KVM_CAP_SYS_HYPERV_CPUID 191
1079 #define KVM_CAP_DIRTY_LOG_RING 192
1080 #define KVM_CAP_X86_BUS_LOCK_EXIT 193
1081 #define KVM_CAP_PPC_DAWR1 194
1082 #define KVM_CAP_SET_GUEST_DEBUG2 195
1083 #define KVM_CAP_SGX_ATTRIBUTE 196
1084 #define KVM_CAP_VM_COPY_ENC_CONTEXT_FROM 197
1085 #define KVM_CAP_PTP_KVM 198
1086 
1087 #ifdef KVM_CAP_IRQ_ROUTING
1088 
1089 struct kvm_irq_routing_irqchip {
1090 	__u32 irqchip;
1091 	__u32 pin;
1092 };
1093 
1094 struct kvm_irq_routing_msi {
1095 	__u32 address_lo;
1096 	__u32 address_hi;
1097 	__u32 data;
1098 	union {
1099 		__u32 pad;
1100 		__u32 devid;
1101 	};
1102 };
1103 
1104 struct kvm_irq_routing_s390_adapter {
1105 	__u64 ind_addr;
1106 	__u64 summary_addr;
1107 	__u64 ind_offset;
1108 	__u32 summary_offset;
1109 	__u32 adapter_id;
1110 };
1111 
1112 struct kvm_irq_routing_hv_sint {
1113 	__u32 vcpu;
1114 	__u32 sint;
1115 };
1116 
1117 /* gsi routing entry types */
1118 #define KVM_IRQ_ROUTING_IRQCHIP 1
1119 #define KVM_IRQ_ROUTING_MSI 2
1120 #define KVM_IRQ_ROUTING_S390_ADAPTER 3
1121 #define KVM_IRQ_ROUTING_HV_SINT 4
1122 
1123 struct kvm_irq_routing_entry {
1124 	__u32 gsi;
1125 	__u32 type;
1126 	__u32 flags;
1127 	__u32 pad;
1128 	union {
1129 		struct kvm_irq_routing_irqchip irqchip;
1130 		struct kvm_irq_routing_msi msi;
1131 		struct kvm_irq_routing_s390_adapter adapter;
1132 		struct kvm_irq_routing_hv_sint hv_sint;
1133 		__u32 pad[8];
1134 	} u;
1135 };
1136 
1137 struct kvm_irq_routing {
1138 	__u32 nr;
1139 	__u32 flags;
1140 	struct kvm_irq_routing_entry entries[0];
1141 };
1142 
1143 #endif
1144 
1145 #ifdef KVM_CAP_MCE
1146 /* x86 MCE */
1147 struct kvm_x86_mce {
1148 	__u64 status;
1149 	__u64 addr;
1150 	__u64 misc;
1151 	__u64 mcg_status;
1152 	__u8 bank;
1153 	__u8 pad1[7];
1154 	__u64 pad2[3];
1155 };
1156 #endif
1157 
1158 #ifdef KVM_CAP_XEN_HVM
1159 #define KVM_XEN_HVM_CONFIG_HYPERCALL_MSR	(1 << 0)
1160 #define KVM_XEN_HVM_CONFIG_INTERCEPT_HCALL	(1 << 1)
1161 #define KVM_XEN_HVM_CONFIG_SHARED_INFO		(1 << 2)
1162 #define KVM_XEN_HVM_CONFIG_RUNSTATE		(1 << 3)
1163 
1164 struct kvm_xen_hvm_config {
1165 	__u32 flags;
1166 	__u32 msr;
1167 	__u64 blob_addr_32;
1168 	__u64 blob_addr_64;
1169 	__u8 blob_size_32;
1170 	__u8 blob_size_64;
1171 	__u8 pad2[30];
1172 };
1173 #endif
1174 
1175 #define KVM_IRQFD_FLAG_DEASSIGN (1 << 0)
1176 /*
1177  * Available with KVM_CAP_IRQFD_RESAMPLE
1178  *
1179  * KVM_IRQFD_FLAG_RESAMPLE indicates resamplefd is valid and specifies
1180  * the irqfd to operate in resampling mode for level triggered interrupt
1181  * emulation.  See Documentation/virt/kvm/api.rst.
1182  */
1183 #define KVM_IRQFD_FLAG_RESAMPLE (1 << 1)
1184 
1185 struct kvm_irqfd {
1186 	__u32 fd;
1187 	__u32 gsi;
1188 	__u32 flags;
1189 	__u32 resamplefd;
1190 	__u8  pad[16];
1191 };
1192 
1193 /* For KVM_CAP_ADJUST_CLOCK */
1194 
1195 /* Do not use 1, KVM_CHECK_EXTENSION returned it before we had flags.  */
1196 #define KVM_CLOCK_TSC_STABLE		2
1197 
1198 struct kvm_clock_data {
1199 	__u64 clock;
1200 	__u32 flags;
1201 	__u32 pad[9];
1202 };
1203 
1204 /* For KVM_CAP_SW_TLB */
1205 
1206 #define KVM_MMU_FSL_BOOKE_NOHV		0
1207 #define KVM_MMU_FSL_BOOKE_HV		1
1208 
1209 struct kvm_config_tlb {
1210 	__u64 params;
1211 	__u64 array;
1212 	__u32 mmu_type;
1213 	__u32 array_len;
1214 };
1215 
1216 struct kvm_dirty_tlb {
1217 	__u64 bitmap;
1218 	__u32 num_dirty;
1219 };
1220 
1221 /* Available with KVM_CAP_ONE_REG */
1222 
1223 #define KVM_REG_ARCH_MASK	0xff00000000000000ULL
1224 #define KVM_REG_GENERIC		0x0000000000000000ULL
1225 
1226 /*
1227  * Architecture specific registers are to be defined in arch headers and
1228  * ORed with the arch identifier.
1229  */
1230 #define KVM_REG_PPC		0x1000000000000000ULL
1231 #define KVM_REG_X86		0x2000000000000000ULL
1232 #define KVM_REG_IA64		0x3000000000000000ULL
1233 #define KVM_REG_ARM		0x4000000000000000ULL
1234 #define KVM_REG_S390		0x5000000000000000ULL
1235 #define KVM_REG_ARM64		0x6000000000000000ULL
1236 #define KVM_REG_MIPS		0x7000000000000000ULL
1237 #define KVM_REG_RISCV		0x8000000000000000ULL
1238 
1239 #define KVM_REG_SIZE_SHIFT	52
1240 #define KVM_REG_SIZE_MASK	0x00f0000000000000ULL
1241 #define KVM_REG_SIZE_U8		0x0000000000000000ULL
1242 #define KVM_REG_SIZE_U16	0x0010000000000000ULL
1243 #define KVM_REG_SIZE_U32	0x0020000000000000ULL
1244 #define KVM_REG_SIZE_U64	0x0030000000000000ULL
1245 #define KVM_REG_SIZE_U128	0x0040000000000000ULL
1246 #define KVM_REG_SIZE_U256	0x0050000000000000ULL
1247 #define KVM_REG_SIZE_U512	0x0060000000000000ULL
1248 #define KVM_REG_SIZE_U1024	0x0070000000000000ULL
1249 #define KVM_REG_SIZE_U2048	0x0080000000000000ULL
1250 
1251 struct kvm_reg_list {
1252 	__u64 n; /* number of regs */
1253 	__u64 reg[0];
1254 };
1255 
1256 struct kvm_one_reg {
1257 	__u64 id;
1258 	__u64 addr;
1259 };
1260 
1261 #define KVM_MSI_VALID_DEVID	(1U << 0)
1262 struct kvm_msi {
1263 	__u32 address_lo;
1264 	__u32 address_hi;
1265 	__u32 data;
1266 	__u32 flags;
1267 	__u32 devid;
1268 	__u8  pad[12];
1269 };
1270 
1271 struct kvm_arm_device_addr {
1272 	__u64 id;
1273 	__u64 addr;
1274 };
1275 
1276 /*
1277  * Device control API, available with KVM_CAP_DEVICE_CTRL
1278  */
1279 #define KVM_CREATE_DEVICE_TEST		1
1280 
1281 struct kvm_create_device {
1282 	__u32	type;	/* in: KVM_DEV_TYPE_xxx */
1283 	__u32	fd;	/* out: device handle */
1284 	__u32	flags;	/* in: KVM_CREATE_DEVICE_xxx */
1285 };
1286 
1287 struct kvm_device_attr {
1288 	__u32	flags;		/* no flags currently defined */
1289 	__u32	group;		/* device-defined */
1290 	__u64	attr;		/* group-defined */
1291 	__u64	addr;		/* userspace address of attr data */
1292 };
1293 
1294 #define  KVM_DEV_VFIO_GROUP			1
1295 #define   KVM_DEV_VFIO_GROUP_ADD			1
1296 #define   KVM_DEV_VFIO_GROUP_DEL			2
1297 #define   KVM_DEV_VFIO_GROUP_SET_SPAPR_TCE		3
1298 
1299 enum kvm_device_type {
1300 	KVM_DEV_TYPE_FSL_MPIC_20	= 1,
1301 #define KVM_DEV_TYPE_FSL_MPIC_20	KVM_DEV_TYPE_FSL_MPIC_20
1302 	KVM_DEV_TYPE_FSL_MPIC_42,
1303 #define KVM_DEV_TYPE_FSL_MPIC_42	KVM_DEV_TYPE_FSL_MPIC_42
1304 	KVM_DEV_TYPE_XICS,
1305 #define KVM_DEV_TYPE_XICS		KVM_DEV_TYPE_XICS
1306 	KVM_DEV_TYPE_VFIO,
1307 #define KVM_DEV_TYPE_VFIO		KVM_DEV_TYPE_VFIO
1308 	KVM_DEV_TYPE_ARM_VGIC_V2,
1309 #define KVM_DEV_TYPE_ARM_VGIC_V2	KVM_DEV_TYPE_ARM_VGIC_V2
1310 	KVM_DEV_TYPE_FLIC,
1311 #define KVM_DEV_TYPE_FLIC		KVM_DEV_TYPE_FLIC
1312 	KVM_DEV_TYPE_ARM_VGIC_V3,
1313 #define KVM_DEV_TYPE_ARM_VGIC_V3	KVM_DEV_TYPE_ARM_VGIC_V3
1314 	KVM_DEV_TYPE_ARM_VGIC_ITS,
1315 #define KVM_DEV_TYPE_ARM_VGIC_ITS	KVM_DEV_TYPE_ARM_VGIC_ITS
1316 	KVM_DEV_TYPE_XIVE,
1317 #define KVM_DEV_TYPE_XIVE		KVM_DEV_TYPE_XIVE
1318 	KVM_DEV_TYPE_ARM_PV_TIME,
1319 #define KVM_DEV_TYPE_ARM_PV_TIME	KVM_DEV_TYPE_ARM_PV_TIME
1320 	KVM_DEV_TYPE_MAX,
1321 };
1322 
1323 struct kvm_vfio_spapr_tce {
1324 	__s32	groupfd;
1325 	__s32	tablefd;
1326 };
1327 
1328 /*
1329  * ioctls for VM fds
1330  */
1331 #define KVM_SET_MEMORY_REGION     _IOW(KVMIO,  0x40, struct kvm_memory_region)
1332 /*
1333  * KVM_CREATE_VCPU receives as a parameter the vcpu slot, and returns
1334  * a vcpu fd.
1335  */
1336 #define KVM_CREATE_VCPU           _IO(KVMIO,   0x41)
1337 #define KVM_GET_DIRTY_LOG         _IOW(KVMIO,  0x42, struct kvm_dirty_log)
1338 /* KVM_SET_MEMORY_ALIAS is obsolete: */
1339 #define KVM_SET_MEMORY_ALIAS      _IOW(KVMIO,  0x43, struct kvm_memory_alias)
1340 #define KVM_SET_NR_MMU_PAGES      _IO(KVMIO,   0x44)
1341 #define KVM_GET_NR_MMU_PAGES      _IO(KVMIO,   0x45)
1342 #define KVM_SET_USER_MEMORY_REGION _IOW(KVMIO, 0x46, \
1343 					struct kvm_userspace_memory_region)
1344 #define KVM_SET_TSS_ADDR          _IO(KVMIO,   0x47)
1345 #define KVM_SET_IDENTITY_MAP_ADDR _IOW(KVMIO,  0x48, __u64)
1346 
1347 /* enable ucontrol for s390 */
1348 struct kvm_s390_ucas_mapping {
1349 	__u64 user_addr;
1350 	__u64 vcpu_addr;
1351 	__u64 length;
1352 };
1353 #define KVM_S390_UCAS_MAP        _IOW(KVMIO, 0x50, struct kvm_s390_ucas_mapping)
1354 #define KVM_S390_UCAS_UNMAP      _IOW(KVMIO, 0x51, struct kvm_s390_ucas_mapping)
1355 #define KVM_S390_VCPU_FAULT	 _IOW(KVMIO, 0x52, unsigned long)
1356 
1357 /* Device model IOC */
1358 #define KVM_CREATE_IRQCHIP        _IO(KVMIO,   0x60)
1359 #define KVM_IRQ_LINE              _IOW(KVMIO,  0x61, struct kvm_irq_level)
1360 #define KVM_GET_IRQCHIP           _IOWR(KVMIO, 0x62, struct kvm_irqchip)
1361 #define KVM_SET_IRQCHIP           _IOR(KVMIO,  0x63, struct kvm_irqchip)
1362 #define KVM_CREATE_PIT            _IO(KVMIO,   0x64)
1363 #define KVM_GET_PIT               _IOWR(KVMIO, 0x65, struct kvm_pit_state)
1364 #define KVM_SET_PIT               _IOR(KVMIO,  0x66, struct kvm_pit_state)
1365 #define KVM_IRQ_LINE_STATUS       _IOWR(KVMIO, 0x67, struct kvm_irq_level)
1366 #define KVM_REGISTER_COALESCED_MMIO \
1367 			_IOW(KVMIO,  0x67, struct kvm_coalesced_mmio_zone)
1368 #define KVM_UNREGISTER_COALESCED_MMIO \
1369 			_IOW(KVMIO,  0x68, struct kvm_coalesced_mmio_zone)
1370 #define KVM_ASSIGN_PCI_DEVICE     _IOR(KVMIO,  0x69, \
1371 				       struct kvm_assigned_pci_dev)
1372 #define KVM_SET_GSI_ROUTING       _IOW(KVMIO,  0x6a, struct kvm_irq_routing)
1373 /* deprecated, replaced by KVM_ASSIGN_DEV_IRQ */
1374 #define KVM_ASSIGN_IRQ            __KVM_DEPRECATED_VM_R_0x70
1375 #define KVM_ASSIGN_DEV_IRQ        _IOW(KVMIO,  0x70, struct kvm_assigned_irq)
1376 #define KVM_REINJECT_CONTROL      _IO(KVMIO,   0x71)
1377 #define KVM_DEASSIGN_PCI_DEVICE   _IOW(KVMIO,  0x72, \
1378 				       struct kvm_assigned_pci_dev)
1379 #define KVM_ASSIGN_SET_MSIX_NR    _IOW(KVMIO,  0x73, \
1380 				       struct kvm_assigned_msix_nr)
1381 #define KVM_ASSIGN_SET_MSIX_ENTRY _IOW(KVMIO,  0x74, \
1382 				       struct kvm_assigned_msix_entry)
1383 #define KVM_DEASSIGN_DEV_IRQ      _IOW(KVMIO,  0x75, struct kvm_assigned_irq)
1384 #define KVM_IRQFD                 _IOW(KVMIO,  0x76, struct kvm_irqfd)
1385 #define KVM_CREATE_PIT2		  _IOW(KVMIO,  0x77, struct kvm_pit_config)
1386 #define KVM_SET_BOOT_CPU_ID       _IO(KVMIO,   0x78)
1387 #define KVM_IOEVENTFD             _IOW(KVMIO,  0x79, struct kvm_ioeventfd)
1388 #define KVM_XEN_HVM_CONFIG        _IOW(KVMIO,  0x7a, struct kvm_xen_hvm_config)
1389 #define KVM_SET_CLOCK             _IOW(KVMIO,  0x7b, struct kvm_clock_data)
1390 #define KVM_GET_CLOCK             _IOR(KVMIO,  0x7c, struct kvm_clock_data)
1391 /* Available with KVM_CAP_PIT_STATE2 */
1392 #define KVM_GET_PIT2              _IOR(KVMIO,  0x9f, struct kvm_pit_state2)
1393 #define KVM_SET_PIT2              _IOW(KVMIO,  0xa0, struct kvm_pit_state2)
1394 /* Available with KVM_CAP_PPC_GET_PVINFO */
1395 #define KVM_PPC_GET_PVINFO	  _IOW(KVMIO,  0xa1, struct kvm_ppc_pvinfo)
1396 /* Available with KVM_CAP_TSC_CONTROL */
1397 #define KVM_SET_TSC_KHZ           _IO(KVMIO,  0xa2)
1398 #define KVM_GET_TSC_KHZ           _IO(KVMIO,  0xa3)
1399 /* Available with KVM_CAP_PCI_2_3 */
1400 #define KVM_ASSIGN_SET_INTX_MASK  _IOW(KVMIO,  0xa4, \
1401 				       struct kvm_assigned_pci_dev)
1402 /* Available with KVM_CAP_SIGNAL_MSI */
1403 #define KVM_SIGNAL_MSI            _IOW(KVMIO,  0xa5, struct kvm_msi)
1404 /* Available with KVM_CAP_PPC_GET_SMMU_INFO */
1405 #define KVM_PPC_GET_SMMU_INFO	  _IOR(KVMIO,  0xa6, struct kvm_ppc_smmu_info)
1406 /* Available with KVM_CAP_PPC_ALLOC_HTAB */
1407 #define KVM_PPC_ALLOCATE_HTAB	  _IOWR(KVMIO, 0xa7, __u32)
1408 #define KVM_CREATE_SPAPR_TCE	  _IOW(KVMIO,  0xa8, struct kvm_create_spapr_tce)
1409 #define KVM_CREATE_SPAPR_TCE_64	  _IOW(KVMIO,  0xa8, \
1410 				       struct kvm_create_spapr_tce_64)
1411 /* Available with KVM_CAP_RMA */
1412 #define KVM_ALLOCATE_RMA	  _IOR(KVMIO,  0xa9, struct kvm_allocate_rma)
1413 /* Available with KVM_CAP_PPC_HTAB_FD */
1414 #define KVM_PPC_GET_HTAB_FD	  _IOW(KVMIO,  0xaa, struct kvm_get_htab_fd)
1415 /* Available with KVM_CAP_ARM_SET_DEVICE_ADDR */
1416 #define KVM_ARM_SET_DEVICE_ADDR	  _IOW(KVMIO,  0xab, struct kvm_arm_device_addr)
1417 /* Available with KVM_CAP_PPC_RTAS */
1418 #define KVM_PPC_RTAS_DEFINE_TOKEN _IOW(KVMIO,  0xac, struct kvm_rtas_token_args)
1419 /* Available with KVM_CAP_SPAPR_RESIZE_HPT */
1420 #define KVM_PPC_RESIZE_HPT_PREPARE _IOR(KVMIO, 0xad, struct kvm_ppc_resize_hpt)
1421 #define KVM_PPC_RESIZE_HPT_COMMIT  _IOR(KVMIO, 0xae, struct kvm_ppc_resize_hpt)
1422 /* Available with KVM_CAP_PPC_RADIX_MMU or KVM_CAP_PPC_HASH_MMU_V3 */
1423 #define KVM_PPC_CONFIGURE_V3_MMU  _IOW(KVMIO,  0xaf, struct kvm_ppc_mmuv3_cfg)
1424 /* Available with KVM_CAP_PPC_RADIX_MMU */
1425 #define KVM_PPC_GET_RMMU_INFO	  _IOW(KVMIO,  0xb0, struct kvm_ppc_rmmu_info)
1426 /* Available with KVM_CAP_PPC_GET_CPU_CHAR */
1427 #define KVM_PPC_GET_CPU_CHAR	  _IOR(KVMIO,  0xb1, struct kvm_ppc_cpu_char)
1428 /* Available with KVM_CAP_PMU_EVENT_FILTER */
1429 #define KVM_SET_PMU_EVENT_FILTER  _IOW(KVMIO,  0xb2, struct kvm_pmu_event_filter)
1430 #define KVM_PPC_SVM_OFF		  _IO(KVMIO,  0xb3)
1431 
1432 /* ioctl for vm fd */
1433 #define KVM_CREATE_DEVICE	  _IOWR(KVMIO,  0xe0, struct kvm_create_device)
1434 
1435 /* ioctls for fds returned by KVM_CREATE_DEVICE */
1436 #define KVM_SET_DEVICE_ATTR	  _IOW(KVMIO,  0xe1, struct kvm_device_attr)
1437 #define KVM_GET_DEVICE_ATTR	  _IOW(KVMIO,  0xe2, struct kvm_device_attr)
1438 #define KVM_HAS_DEVICE_ATTR	  _IOW(KVMIO,  0xe3, struct kvm_device_attr)
1439 
1440 /*
1441  * ioctls for vcpu fds
1442  */
1443 #define KVM_RUN                   _IO(KVMIO,   0x80)
1444 #define KVM_GET_REGS              _IOR(KVMIO,  0x81, struct kvm_regs)
1445 #define KVM_SET_REGS              _IOW(KVMIO,  0x82, struct kvm_regs)
1446 #define KVM_GET_SREGS             _IOR(KVMIO,  0x83, struct kvm_sregs)
1447 #define KVM_SET_SREGS             _IOW(KVMIO,  0x84, struct kvm_sregs)
1448 #define KVM_TRANSLATE             _IOWR(KVMIO, 0x85, struct kvm_translation)
1449 #define KVM_INTERRUPT             _IOW(KVMIO,  0x86, struct kvm_interrupt)
1450 /* KVM_DEBUG_GUEST is no longer supported, use KVM_SET_GUEST_DEBUG instead */
1451 #define KVM_DEBUG_GUEST           __KVM_DEPRECATED_VCPU_W_0x87
1452 #define KVM_GET_MSRS              _IOWR(KVMIO, 0x88, struct kvm_msrs)
1453 #define KVM_SET_MSRS              _IOW(KVMIO,  0x89, struct kvm_msrs)
1454 #define KVM_SET_CPUID             _IOW(KVMIO,  0x8a, struct kvm_cpuid)
1455 #define KVM_SET_SIGNAL_MASK       _IOW(KVMIO,  0x8b, struct kvm_signal_mask)
1456 #define KVM_GET_FPU               _IOR(KVMIO,  0x8c, struct kvm_fpu)
1457 #define KVM_SET_FPU               _IOW(KVMIO,  0x8d, struct kvm_fpu)
1458 #define KVM_GET_LAPIC             _IOR(KVMIO,  0x8e, struct kvm_lapic_state)
1459 #define KVM_SET_LAPIC             _IOW(KVMIO,  0x8f, struct kvm_lapic_state)
1460 #define KVM_SET_CPUID2            _IOW(KVMIO,  0x90, struct kvm_cpuid2)
1461 #define KVM_GET_CPUID2            _IOWR(KVMIO, 0x91, struct kvm_cpuid2)
1462 /* Available with KVM_CAP_VAPIC */
1463 #define KVM_TPR_ACCESS_REPORTING  _IOWR(KVMIO, 0x92, struct kvm_tpr_access_ctl)
1464 /* Available with KVM_CAP_VAPIC */
1465 #define KVM_SET_VAPIC_ADDR        _IOW(KVMIO,  0x93, struct kvm_vapic_addr)
1466 /* valid for virtual machine (for floating interrupt)_and_ vcpu */
1467 #define KVM_S390_INTERRUPT        _IOW(KVMIO,  0x94, struct kvm_s390_interrupt)
1468 /* store status for s390 */
1469 #define KVM_S390_STORE_STATUS_NOADDR    (-1ul)
1470 #define KVM_S390_STORE_STATUS_PREFIXED  (-2ul)
1471 #define KVM_S390_STORE_STATUS	  _IOW(KVMIO,  0x95, unsigned long)
1472 /* initial ipl psw for s390 */
1473 #define KVM_S390_SET_INITIAL_PSW  _IOW(KVMIO,  0x96, struct kvm_s390_psw)
1474 /* initial reset for s390 */
1475 #define KVM_S390_INITIAL_RESET    _IO(KVMIO,   0x97)
1476 #define KVM_GET_MP_STATE          _IOR(KVMIO,  0x98, struct kvm_mp_state)
1477 #define KVM_SET_MP_STATE          _IOW(KVMIO,  0x99, struct kvm_mp_state)
1478 /* Available with KVM_CAP_USER_NMI */
1479 #define KVM_NMI                   _IO(KVMIO,   0x9a)
1480 /* Available with KVM_CAP_SET_GUEST_DEBUG */
1481 #define KVM_SET_GUEST_DEBUG       _IOW(KVMIO,  0x9b, struct kvm_guest_debug)
1482 /* MCE for x86 */
1483 #define KVM_X86_SETUP_MCE         _IOW(KVMIO,  0x9c, __u64)
1484 #define KVM_X86_GET_MCE_CAP_SUPPORTED _IOR(KVMIO,  0x9d, __u64)
1485 #define KVM_X86_SET_MCE           _IOW(KVMIO,  0x9e, struct kvm_x86_mce)
1486 /* Available with KVM_CAP_VCPU_EVENTS */
1487 #define KVM_GET_VCPU_EVENTS       _IOR(KVMIO,  0x9f, struct kvm_vcpu_events)
1488 #define KVM_SET_VCPU_EVENTS       _IOW(KVMIO,  0xa0, struct kvm_vcpu_events)
1489 /* Available with KVM_CAP_DEBUGREGS */
1490 #define KVM_GET_DEBUGREGS         _IOR(KVMIO,  0xa1, struct kvm_debugregs)
1491 #define KVM_SET_DEBUGREGS         _IOW(KVMIO,  0xa2, struct kvm_debugregs)
1492 /*
1493  * vcpu version available with KVM_ENABLE_CAP
1494  * vm version available with KVM_CAP_ENABLE_CAP_VM
1495  */
1496 #define KVM_ENABLE_CAP            _IOW(KVMIO,  0xa3, struct kvm_enable_cap)
1497 /* Available with KVM_CAP_XSAVE */
1498 #define KVM_GET_XSAVE		  _IOR(KVMIO,  0xa4, struct kvm_xsave)
1499 #define KVM_SET_XSAVE		  _IOW(KVMIO,  0xa5, struct kvm_xsave)
1500 /* Available with KVM_CAP_XCRS */
1501 #define KVM_GET_XCRS		  _IOR(KVMIO,  0xa6, struct kvm_xcrs)
1502 #define KVM_SET_XCRS		  _IOW(KVMIO,  0xa7, struct kvm_xcrs)
1503 /* Available with KVM_CAP_SW_TLB */
1504 #define KVM_DIRTY_TLB		  _IOW(KVMIO,  0xaa, struct kvm_dirty_tlb)
1505 /* Available with KVM_CAP_ONE_REG */
1506 #define KVM_GET_ONE_REG		  _IOW(KVMIO,  0xab, struct kvm_one_reg)
1507 #define KVM_SET_ONE_REG		  _IOW(KVMIO,  0xac, struct kvm_one_reg)
1508 /* VM is being stopped by host */
1509 #define KVM_KVMCLOCK_CTRL	  _IO(KVMIO,   0xad)
1510 #define KVM_ARM_VCPU_INIT	  _IOW(KVMIO,  0xae, struct kvm_vcpu_init)
1511 #define KVM_ARM_PREFERRED_TARGET  _IOR(KVMIO,  0xaf, struct kvm_vcpu_init)
1512 #define KVM_GET_REG_LIST	  _IOWR(KVMIO, 0xb0, struct kvm_reg_list)
1513 /* Available with KVM_CAP_S390_MEM_OP */
1514 #define KVM_S390_MEM_OP		  _IOW(KVMIO,  0xb1, struct kvm_s390_mem_op)
1515 /* Available with KVM_CAP_S390_SKEYS */
1516 #define KVM_S390_GET_SKEYS      _IOW(KVMIO, 0xb2, struct kvm_s390_skeys)
1517 #define KVM_S390_SET_SKEYS      _IOW(KVMIO, 0xb3, struct kvm_s390_skeys)
1518 /* Available with KVM_CAP_S390_INJECT_IRQ */
1519 #define KVM_S390_IRQ              _IOW(KVMIO,  0xb4, struct kvm_s390_irq)
1520 /* Available with KVM_CAP_S390_IRQ_STATE */
1521 #define KVM_S390_SET_IRQ_STATE	  _IOW(KVMIO, 0xb5, struct kvm_s390_irq_state)
1522 #define KVM_S390_GET_IRQ_STATE	  _IOW(KVMIO, 0xb6, struct kvm_s390_irq_state)
1523 /* Available with KVM_CAP_X86_SMM */
1524 #define KVM_SMI                   _IO(KVMIO,   0xb7)
1525 /* Available with KVM_CAP_S390_CMMA_MIGRATION */
1526 #define KVM_S390_GET_CMMA_BITS      _IOWR(KVMIO, 0xb8, struct kvm_s390_cmma_log)
1527 #define KVM_S390_SET_CMMA_BITS      _IOW(KVMIO, 0xb9, struct kvm_s390_cmma_log)
1528 /* Memory Encryption Commands */
1529 #define KVM_MEMORY_ENCRYPT_OP      _IOWR(KVMIO, 0xba, unsigned long)
1530 
1531 struct kvm_enc_region {
1532 	__u64 addr;
1533 	__u64 size;
1534 };
1535 
1536 #define KVM_MEMORY_ENCRYPT_REG_REGION    _IOR(KVMIO, 0xbb, struct kvm_enc_region)
1537 #define KVM_MEMORY_ENCRYPT_UNREG_REGION  _IOR(KVMIO, 0xbc, struct kvm_enc_region)
1538 
1539 /* Available with KVM_CAP_HYPERV_EVENTFD */
1540 #define KVM_HYPERV_EVENTFD        _IOW(KVMIO,  0xbd, struct kvm_hyperv_eventfd)
1541 
1542 /* Available with KVM_CAP_NESTED_STATE */
1543 #define KVM_GET_NESTED_STATE         _IOWR(KVMIO, 0xbe, struct kvm_nested_state)
1544 #define KVM_SET_NESTED_STATE         _IOW(KVMIO,  0xbf, struct kvm_nested_state)
1545 
1546 /* Available with KVM_CAP_MANUAL_DIRTY_LOG_PROTECT_2 */
1547 #define KVM_CLEAR_DIRTY_LOG          _IOWR(KVMIO, 0xc0, struct kvm_clear_dirty_log)
1548 
1549 /* Available with KVM_CAP_HYPERV_CPUID (vcpu) / KVM_CAP_SYS_HYPERV_CPUID (system) */
1550 #define KVM_GET_SUPPORTED_HV_CPUID _IOWR(KVMIO, 0xc1, struct kvm_cpuid2)
1551 
1552 /* Available with KVM_CAP_ARM_SVE */
1553 #define KVM_ARM_VCPU_FINALIZE	  _IOW(KVMIO,  0xc2, int)
1554 
1555 /* Available with  KVM_CAP_S390_VCPU_RESETS */
1556 #define KVM_S390_NORMAL_RESET	_IO(KVMIO,   0xc3)
1557 #define KVM_S390_CLEAR_RESET	_IO(KVMIO,   0xc4)
1558 
1559 struct kvm_s390_pv_sec_parm {
1560 	__u64 origin;
1561 	__u64 length;
1562 };
1563 
1564 struct kvm_s390_pv_unp {
1565 	__u64 addr;
1566 	__u64 size;
1567 	__u64 tweak;
1568 };
1569 
1570 enum pv_cmd_id {
1571 	KVM_PV_ENABLE,
1572 	KVM_PV_DISABLE,
1573 	KVM_PV_SET_SEC_PARMS,
1574 	KVM_PV_UNPACK,
1575 	KVM_PV_VERIFY,
1576 	KVM_PV_PREP_RESET,
1577 	KVM_PV_UNSHARE_ALL,
1578 };
1579 
1580 struct kvm_pv_cmd {
1581 	__u32 cmd;	/* Command to be executed */
1582 	__u16 rc;	/* Ultravisor return code */
1583 	__u16 rrc;	/* Ultravisor return reason code */
1584 	__u64 data;	/* Data or address */
1585 	__u32 flags;    /* flags for future extensions. Must be 0 for now */
1586 	__u32 reserved[3];
1587 };
1588 
1589 /* Available with KVM_CAP_S390_PROTECTED */
1590 #define KVM_S390_PV_COMMAND		_IOWR(KVMIO, 0xc5, struct kvm_pv_cmd)
1591 
1592 /* Available with KVM_CAP_X86_MSR_FILTER */
1593 #define KVM_X86_SET_MSR_FILTER	_IOW(KVMIO,  0xc6, struct kvm_msr_filter)
1594 
1595 /* Available with KVM_CAP_DIRTY_LOG_RING */
1596 #define KVM_RESET_DIRTY_RINGS		_IO(KVMIO, 0xc7)
1597 
1598 /* Per-VM Xen attributes */
1599 #define KVM_XEN_HVM_GET_ATTR	_IOWR(KVMIO, 0xc8, struct kvm_xen_hvm_attr)
1600 #define KVM_XEN_HVM_SET_ATTR	_IOW(KVMIO,  0xc9, struct kvm_xen_hvm_attr)
1601 
1602 struct kvm_xen_hvm_attr {
1603 	__u16 type;
1604 	__u16 pad[3];
1605 	union {
1606 		__u8 long_mode;
1607 		__u8 vector;
1608 		struct {
1609 			__u64 gfn;
1610 		} shared_info;
1611 		__u64 pad[8];
1612 	} u;
1613 };
1614 
1615 /* Available with KVM_CAP_XEN_HVM / KVM_XEN_HVM_CONFIG_SHARED_INFO */
1616 #define KVM_XEN_ATTR_TYPE_LONG_MODE		0x0
1617 #define KVM_XEN_ATTR_TYPE_SHARED_INFO		0x1
1618 #define KVM_XEN_ATTR_TYPE_UPCALL_VECTOR		0x2
1619 
1620 /* Per-vCPU Xen attributes */
1621 #define KVM_XEN_VCPU_GET_ATTR	_IOWR(KVMIO, 0xca, struct kvm_xen_vcpu_attr)
1622 #define KVM_XEN_VCPU_SET_ATTR	_IOW(KVMIO,  0xcb, struct kvm_xen_vcpu_attr)
1623 
1624 struct kvm_xen_vcpu_attr {
1625 	__u16 type;
1626 	__u16 pad[3];
1627 	union {
1628 		__u64 gpa;
1629 		__u64 pad[8];
1630 		struct {
1631 			__u64 state;
1632 			__u64 state_entry_time;
1633 			__u64 time_running;
1634 			__u64 time_runnable;
1635 			__u64 time_blocked;
1636 			__u64 time_offline;
1637 		} runstate;
1638 	} u;
1639 };
1640 
1641 /* Available with KVM_CAP_XEN_HVM / KVM_XEN_HVM_CONFIG_SHARED_INFO */
1642 #define KVM_XEN_VCPU_ATTR_TYPE_VCPU_INFO	0x0
1643 #define KVM_XEN_VCPU_ATTR_TYPE_VCPU_TIME_INFO	0x1
1644 #define KVM_XEN_VCPU_ATTR_TYPE_RUNSTATE_ADDR	0x2
1645 #define KVM_XEN_VCPU_ATTR_TYPE_RUNSTATE_CURRENT	0x3
1646 #define KVM_XEN_VCPU_ATTR_TYPE_RUNSTATE_DATA	0x4
1647 #define KVM_XEN_VCPU_ATTR_TYPE_RUNSTATE_ADJUST	0x5
1648 
1649 /* Secure Encrypted Virtualization command */
1650 enum sev_cmd_id {
1651 	/* Guest initialization commands */
1652 	KVM_SEV_INIT = 0,
1653 	KVM_SEV_ES_INIT,
1654 	/* Guest launch commands */
1655 	KVM_SEV_LAUNCH_START,
1656 	KVM_SEV_LAUNCH_UPDATE_DATA,
1657 	KVM_SEV_LAUNCH_UPDATE_VMSA,
1658 	KVM_SEV_LAUNCH_SECRET,
1659 	KVM_SEV_LAUNCH_MEASURE,
1660 	KVM_SEV_LAUNCH_FINISH,
1661 	/* Guest migration commands (outgoing) */
1662 	KVM_SEV_SEND_START,
1663 	KVM_SEV_SEND_UPDATE_DATA,
1664 	KVM_SEV_SEND_UPDATE_VMSA,
1665 	KVM_SEV_SEND_FINISH,
1666 	/* Guest migration commands (incoming) */
1667 	KVM_SEV_RECEIVE_START,
1668 	KVM_SEV_RECEIVE_UPDATE_DATA,
1669 	KVM_SEV_RECEIVE_UPDATE_VMSA,
1670 	KVM_SEV_RECEIVE_FINISH,
1671 	/* Guest status and debug commands */
1672 	KVM_SEV_GUEST_STATUS,
1673 	KVM_SEV_DBG_DECRYPT,
1674 	KVM_SEV_DBG_ENCRYPT,
1675 	/* Guest certificates commands */
1676 	KVM_SEV_CERT_EXPORT,
1677 	/* Attestation report */
1678 	KVM_SEV_GET_ATTESTATION_REPORT,
1679 	/* Guest Migration Extension */
1680 	KVM_SEV_SEND_CANCEL,
1681 
1682 	KVM_SEV_NR_MAX,
1683 };
1684 
1685 struct kvm_sev_cmd {
1686 	__u32 id;
1687 	__u64 data;
1688 	__u32 error;
1689 	__u32 sev_fd;
1690 };
1691 
1692 struct kvm_sev_launch_start {
1693 	__u32 handle;
1694 	__u32 policy;
1695 	__u64 dh_uaddr;
1696 	__u32 dh_len;
1697 	__u64 session_uaddr;
1698 	__u32 session_len;
1699 };
1700 
1701 struct kvm_sev_launch_update_data {
1702 	__u64 uaddr;
1703 	__u32 len;
1704 };
1705 
1706 
1707 struct kvm_sev_launch_secret {
1708 	__u64 hdr_uaddr;
1709 	__u32 hdr_len;
1710 	__u64 guest_uaddr;
1711 	__u32 guest_len;
1712 	__u64 trans_uaddr;
1713 	__u32 trans_len;
1714 };
1715 
1716 struct kvm_sev_launch_measure {
1717 	__u64 uaddr;
1718 	__u32 len;
1719 };
1720 
1721 struct kvm_sev_guest_status {
1722 	__u32 handle;
1723 	__u32 policy;
1724 	__u32 state;
1725 };
1726 
1727 struct kvm_sev_dbg {
1728 	__u64 src_uaddr;
1729 	__u64 dst_uaddr;
1730 	__u32 len;
1731 };
1732 
1733 struct kvm_sev_attestation_report {
1734 	__u8 mnonce[16];
1735 	__u64 uaddr;
1736 	__u32 len;
1737 };
1738 
1739 struct kvm_sev_send_start {
1740 	__u32 policy;
1741 	__u64 pdh_cert_uaddr;
1742 	__u32 pdh_cert_len;
1743 	__u64 plat_certs_uaddr;
1744 	__u32 plat_certs_len;
1745 	__u64 amd_certs_uaddr;
1746 	__u32 amd_certs_len;
1747 	__u64 session_uaddr;
1748 	__u32 session_len;
1749 };
1750 
1751 struct kvm_sev_send_update_data {
1752 	__u64 hdr_uaddr;
1753 	__u32 hdr_len;
1754 	__u64 guest_uaddr;
1755 	__u32 guest_len;
1756 	__u64 trans_uaddr;
1757 	__u32 trans_len;
1758 };
1759 
1760 struct kvm_sev_receive_start {
1761 	__u32 handle;
1762 	__u32 policy;
1763 	__u64 pdh_uaddr;
1764 	__u32 pdh_len;
1765 	__u64 session_uaddr;
1766 	__u32 session_len;
1767 };
1768 
1769 struct kvm_sev_receive_update_data {
1770 	__u64 hdr_uaddr;
1771 	__u32 hdr_len;
1772 	__u64 guest_uaddr;
1773 	__u32 guest_len;
1774 	__u64 trans_uaddr;
1775 	__u32 trans_len;
1776 };
1777 
1778 #define KVM_DEV_ASSIGN_ENABLE_IOMMU	(1 << 0)
1779 #define KVM_DEV_ASSIGN_PCI_2_3		(1 << 1)
1780 #define KVM_DEV_ASSIGN_MASK_INTX	(1 << 2)
1781 
1782 struct kvm_assigned_pci_dev {
1783 	__u32 assigned_dev_id;
1784 	__u32 busnr;
1785 	__u32 devfn;
1786 	__u32 flags;
1787 	__u32 segnr;
1788 	union {
1789 		__u32 reserved[11];
1790 	};
1791 };
1792 
1793 #define KVM_DEV_IRQ_HOST_INTX    (1 << 0)
1794 #define KVM_DEV_IRQ_HOST_MSI     (1 << 1)
1795 #define KVM_DEV_IRQ_HOST_MSIX    (1 << 2)
1796 
1797 #define KVM_DEV_IRQ_GUEST_INTX   (1 << 8)
1798 #define KVM_DEV_IRQ_GUEST_MSI    (1 << 9)
1799 #define KVM_DEV_IRQ_GUEST_MSIX   (1 << 10)
1800 
1801 #define KVM_DEV_IRQ_HOST_MASK	 0x00ff
1802 #define KVM_DEV_IRQ_GUEST_MASK   0xff00
1803 
1804 struct kvm_assigned_irq {
1805 	__u32 assigned_dev_id;
1806 	__u32 host_irq; /* ignored (legacy field) */
1807 	__u32 guest_irq;
1808 	__u32 flags;
1809 	union {
1810 		__u32 reserved[12];
1811 	};
1812 };
1813 
1814 struct kvm_assigned_msix_nr {
1815 	__u32 assigned_dev_id;
1816 	__u16 entry_nr;
1817 	__u16 padding;
1818 };
1819 
1820 #define KVM_MAX_MSIX_PER_DEV		256
1821 struct kvm_assigned_msix_entry {
1822 	__u32 assigned_dev_id;
1823 	__u32 gsi;
1824 	__u16 entry; /* The index of entry in the MSI-X table */
1825 	__u16 padding[3];
1826 };
1827 
1828 #define KVM_X2APIC_API_USE_32BIT_IDS            (1ULL << 0)
1829 #define KVM_X2APIC_API_DISABLE_BROADCAST_QUIRK  (1ULL << 1)
1830 
1831 /* Available with KVM_CAP_ARM_USER_IRQ */
1832 
1833 /* Bits for run->s.regs.device_irq_level */
1834 #define KVM_ARM_DEV_EL1_VTIMER		(1 << 0)
1835 #define KVM_ARM_DEV_EL1_PTIMER		(1 << 1)
1836 #define KVM_ARM_DEV_PMU			(1 << 2)
1837 
1838 struct kvm_hyperv_eventfd {
1839 	__u32 conn_id;
1840 	__s32 fd;
1841 	__u32 flags;
1842 	__u32 padding[3];
1843 };
1844 
1845 #define KVM_HYPERV_CONN_ID_MASK		0x00ffffff
1846 #define KVM_HYPERV_EVENTFD_DEASSIGN	(1 << 0)
1847 
1848 #define KVM_DIRTY_LOG_MANUAL_PROTECT_ENABLE    (1 << 0)
1849 #define KVM_DIRTY_LOG_INITIALLY_SET            (1 << 1)
1850 
1851 /*
1852  * Arch needs to define the macro after implementing the dirty ring
1853  * feature.  KVM_DIRTY_LOG_PAGE_OFFSET should be defined as the
1854  * starting page offset of the dirty ring structures.
1855  */
1856 #ifndef KVM_DIRTY_LOG_PAGE_OFFSET
1857 #define KVM_DIRTY_LOG_PAGE_OFFSET 0
1858 #endif
1859 
1860 /*
1861  * KVM dirty GFN flags, defined as:
1862  *
1863  * |---------------+---------------+--------------|
1864  * | bit 1 (reset) | bit 0 (dirty) | Status       |
1865  * |---------------+---------------+--------------|
1866  * |             0 |             0 | Invalid GFN  |
1867  * |             0 |             1 | Dirty GFN    |
1868  * |             1 |             X | GFN to reset |
1869  * |---------------+---------------+--------------|
1870  *
1871  * Lifecycle of a dirty GFN goes like:
1872  *
1873  *      dirtied         harvested        reset
1874  * 00 -----------> 01 -------------> 1X -------+
1875  *  ^                                          |
1876  *  |                                          |
1877  *  +------------------------------------------+
1878  *
1879  * The userspace program is only responsible for the 01->1X state
1880  * conversion after harvesting an entry.  Also, it must not skip any
1881  * dirty bits, so that dirty bits are always harvested in sequence.
1882  */
1883 #define KVM_DIRTY_GFN_F_DIRTY           _BITUL(0)
1884 #define KVM_DIRTY_GFN_F_RESET           _BITUL(1)
1885 #define KVM_DIRTY_GFN_F_MASK            0x3
1886 
1887 /*
1888  * KVM dirty rings should be mapped at KVM_DIRTY_LOG_PAGE_OFFSET of
1889  * per-vcpu mmaped regions as an array of struct kvm_dirty_gfn.  The
1890  * size of the gfn buffer is decided by the first argument when
1891  * enabling KVM_CAP_DIRTY_LOG_RING.
1892  */
1893 struct kvm_dirty_gfn {
1894 	__u32 flags;
1895 	__u32 slot;
1896 	__u64 offset;
1897 };
1898 
1899 #define KVM_BUS_LOCK_DETECTION_OFF             (1 << 0)
1900 #define KVM_BUS_LOCK_DETECTION_EXIT            (1 << 1)
1901 
1902 #endif /* __LINUX_KVM_H */
1903