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