xref: /linux-6.15/tools/include/uapi/linux/kvm.h (revision 2f26e424)
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 #include <linux/compiler.h>
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_SET_USER_MEMORY_REGION */
90 struct kvm_userspace_memory_region {
91 	__u32 slot;
92 	__u32 flags;
93 	__u64 guest_phys_addr;
94 	__u64 memory_size; /* bytes */
95 	__u64 userspace_addr; /* start of the userspace allocated memory */
96 };
97 
98 /*
99  * The bit 0 ~ bit 15 of kvm_userspace_memory_region::flags are visible for
100  * userspace, other bits are reserved for kvm internal use which are defined
101  *in include/linux/kvm_host.h.
102  */
103 #define KVM_MEM_LOG_DIRTY_PAGES	(1UL << 0)
104 #define KVM_MEM_READONLY	(1UL << 1)
105 
106 /* for KVM_IRQ_LINE */
107 struct kvm_irq_level {
108 	/*
109 	 * ACPI gsi notion of irq.
110 	 * For IA-64 (APIC model) IOAPIC0: irq 0-23; IOAPIC1: irq 24-47..
111 	 * For X86 (standard AT mode) PIC0/1: irq 0-15. IOAPIC0: 0-23..
112 	 * For ARM: See Documentation/virt/kvm/api.rst
113 	 */
114 	union {
115 		__u32 irq;
116 		__s32 status;
117 	};
118 	__u32 level;
119 };
120 
121 
122 struct kvm_irqchip {
123 	__u32 chip_id;
124 	__u32 pad;
125         union {
126 		char dummy[512];  /* reserving space */
127 #ifdef __KVM_HAVE_PIT
128 		struct kvm_pic_state pic;
129 #endif
130 #ifdef __KVM_HAVE_IOAPIC
131 		struct kvm_ioapic_state ioapic;
132 #endif
133 	} chip;
134 };
135 
136 /* for KVM_CREATE_PIT2 */
137 struct kvm_pit_config {
138 	__u32 flags;
139 	__u32 pad[15];
140 };
141 
142 #define KVM_PIT_SPEAKER_DUMMY     1
143 
144 struct kvm_s390_skeys {
145 	__u64 start_gfn;
146 	__u64 count;
147 	__u64 skeydata_addr;
148 	__u32 flags;
149 	__u32 reserved[9];
150 };
151 
152 #define KVM_S390_CMMA_PEEK (1 << 0)
153 
154 /**
155  * kvm_s390_cmma_log - Used for CMMA migration.
156  *
157  * Used both for input and output.
158  *
159  * @start_gfn: Guest page number to start from.
160  * @count: Size of the result buffer.
161  * @flags: Control operation mode via KVM_S390_CMMA_* flags
162  * @remaining: Used with KVM_S390_GET_CMMA_BITS. Indicates how many dirty
163  *             pages are still remaining.
164  * @mask: Used with KVM_S390_SET_CMMA_BITS. Bitmap of bits to actually set
165  *        in the PGSTE.
166  * @values: Pointer to the values buffer.
167  *
168  * Used in KVM_S390_{G,S}ET_CMMA_BITS ioctls.
169  */
170 struct kvm_s390_cmma_log {
171 	__u64 start_gfn;
172 	__u32 count;
173 	__u32 flags;
174 	union {
175 		__u64 remaining;
176 		__u64 mask;
177 	};
178 	__u64 values;
179 };
180 
181 struct kvm_hyperv_exit {
182 #define KVM_EXIT_HYPERV_SYNIC          1
183 #define KVM_EXIT_HYPERV_HCALL          2
184 #define KVM_EXIT_HYPERV_SYNDBG         3
185 	__u32 type;
186 	__u32 pad1;
187 	union {
188 		struct {
189 			__u32 msr;
190 			__u32 pad2;
191 			__u64 control;
192 			__u64 evt_page;
193 			__u64 msg_page;
194 		} synic;
195 		struct {
196 			__u64 input;
197 			__u64 result;
198 			__u64 params[2];
199 		} hcall;
200 		struct {
201 			__u32 msr;
202 			__u32 pad2;
203 			__u64 control;
204 			__u64 status;
205 			__u64 send_page;
206 			__u64 recv_page;
207 			__u64 pending_page;
208 		} syndbg;
209 	} u;
210 };
211 
212 struct kvm_xen_exit {
213 #define KVM_EXIT_XEN_HCALL          1
214 	__u32 type;
215 	union {
216 		struct {
217 			__u32 longmode;
218 			__u32 cpl;
219 			__u64 input;
220 			__u64 result;
221 			__u64 params[6];
222 		} hcall;
223 	} u;
224 };
225 
226 #define KVM_S390_GET_SKEYS_NONE   1
227 #define KVM_S390_SKEYS_MAX        1048576
228 
229 #define KVM_EXIT_UNKNOWN          0
230 #define KVM_EXIT_EXCEPTION        1
231 #define KVM_EXIT_IO               2
232 #define KVM_EXIT_HYPERCALL        3
233 #define KVM_EXIT_DEBUG            4
234 #define KVM_EXIT_HLT              5
235 #define KVM_EXIT_MMIO             6
236 #define KVM_EXIT_IRQ_WINDOW_OPEN  7
237 #define KVM_EXIT_SHUTDOWN         8
238 #define KVM_EXIT_FAIL_ENTRY       9
239 #define KVM_EXIT_INTR             10
240 #define KVM_EXIT_SET_TPR          11
241 #define KVM_EXIT_TPR_ACCESS       12
242 #define KVM_EXIT_S390_SIEIC       13
243 #define KVM_EXIT_S390_RESET       14
244 #define KVM_EXIT_DCR              15 /* deprecated */
245 #define KVM_EXIT_NMI              16
246 #define KVM_EXIT_INTERNAL_ERROR   17
247 #define KVM_EXIT_OSI              18
248 #define KVM_EXIT_PAPR_HCALL	  19
249 #define KVM_EXIT_S390_UCONTROL	  20
250 #define KVM_EXIT_WATCHDOG         21
251 #define KVM_EXIT_S390_TSCH        22
252 #define KVM_EXIT_EPR              23
253 #define KVM_EXIT_SYSTEM_EVENT     24
254 #define KVM_EXIT_S390_STSI        25
255 #define KVM_EXIT_IOAPIC_EOI       26
256 #define KVM_EXIT_HYPERV           27
257 #define KVM_EXIT_ARM_NISV         28
258 #define KVM_EXIT_X86_RDMSR        29
259 #define KVM_EXIT_X86_WRMSR        30
260 #define KVM_EXIT_DIRTY_RING_FULL  31
261 #define KVM_EXIT_AP_RESET_HOLD    32
262 #define KVM_EXIT_X86_BUS_LOCK     33
263 #define KVM_EXIT_XEN              34
264 #define KVM_EXIT_RISCV_SBI        35
265 #define KVM_EXIT_RISCV_CSR        36
266 #define KVM_EXIT_NOTIFY           37
267 
268 /* For KVM_EXIT_INTERNAL_ERROR */
269 /* Emulate instruction failed. */
270 #define KVM_INTERNAL_ERROR_EMULATION	1
271 /* Encounter unexpected simultaneous exceptions. */
272 #define KVM_INTERNAL_ERROR_SIMUL_EX	2
273 /* Encounter unexpected vm-exit due to delivery event. */
274 #define KVM_INTERNAL_ERROR_DELIVERY_EV	3
275 /* Encounter unexpected vm-exit reason */
276 #define KVM_INTERNAL_ERROR_UNEXPECTED_EXIT_REASON	4
277 
278 /* Flags that describe what fields in emulation_failure hold valid data. */
279 #define KVM_INTERNAL_ERROR_EMULATION_FLAG_INSTRUCTION_BYTES (1ULL << 0)
280 
281 /* for KVM_RUN, returned by mmap(vcpu_fd, offset=0) */
282 struct kvm_run {
283 	/* in */
284 	__u8 request_interrupt_window;
285 	__u8 immediate_exit;
286 	__u8 padding1[6];
287 
288 	/* out */
289 	__u32 exit_reason;
290 	__u8 ready_for_interrupt_injection;
291 	__u8 if_flag;
292 	__u16 flags;
293 
294 	/* in (pre_kvm_run), out (post_kvm_run) */
295 	__u64 cr8;
296 	__u64 apic_base;
297 
298 #ifdef __KVM_S390
299 	/* the processor status word for s390 */
300 	__u64 psw_mask; /* psw upper half */
301 	__u64 psw_addr; /* psw lower half */
302 #endif
303 	union {
304 		/* KVM_EXIT_UNKNOWN */
305 		struct {
306 			__u64 hardware_exit_reason;
307 		} hw;
308 		/* KVM_EXIT_FAIL_ENTRY */
309 		struct {
310 			__u64 hardware_entry_failure_reason;
311 			__u32 cpu;
312 		} fail_entry;
313 		/* KVM_EXIT_EXCEPTION */
314 		struct {
315 			__u32 exception;
316 			__u32 error_code;
317 		} ex;
318 		/* KVM_EXIT_IO */
319 		struct {
320 #define KVM_EXIT_IO_IN  0
321 #define KVM_EXIT_IO_OUT 1
322 			__u8 direction;
323 			__u8 size; /* bytes */
324 			__u16 port;
325 			__u32 count;
326 			__u64 data_offset; /* relative to kvm_run start */
327 		} io;
328 		/* KVM_EXIT_DEBUG */
329 		struct {
330 			struct kvm_debug_exit_arch arch;
331 		} debug;
332 		/* KVM_EXIT_MMIO */
333 		struct {
334 			__u64 phys_addr;
335 			__u8  data[8];
336 			__u32 len;
337 			__u8  is_write;
338 		} mmio;
339 		/* KVM_EXIT_HYPERCALL */
340 		struct {
341 			__u64 nr;
342 			__u64 args[6];
343 			__u64 ret;
344 			__u32 longmode;
345 			__u32 pad;
346 		} hypercall;
347 		/* KVM_EXIT_TPR_ACCESS */
348 		struct {
349 			__u64 rip;
350 			__u32 is_write;
351 			__u32 pad;
352 		} tpr_access;
353 		/* KVM_EXIT_S390_SIEIC */
354 		struct {
355 			__u8 icptcode;
356 			__u16 ipa;
357 			__u32 ipb;
358 		} s390_sieic;
359 		/* KVM_EXIT_S390_RESET */
360 #define KVM_S390_RESET_POR       1
361 #define KVM_S390_RESET_CLEAR     2
362 #define KVM_S390_RESET_SUBSYSTEM 4
363 #define KVM_S390_RESET_CPU_INIT  8
364 #define KVM_S390_RESET_IPL       16
365 		__u64 s390_reset_flags;
366 		/* KVM_EXIT_S390_UCONTROL */
367 		struct {
368 			__u64 trans_exc_code;
369 			__u32 pgm_code;
370 		} s390_ucontrol;
371 		/* KVM_EXIT_DCR (deprecated) */
372 		struct {
373 			__u32 dcrn;
374 			__u32 data;
375 			__u8  is_write;
376 		} dcr;
377 		/* KVM_EXIT_INTERNAL_ERROR */
378 		struct {
379 			__u32 suberror;
380 			/* Available with KVM_CAP_INTERNAL_ERROR_DATA: */
381 			__u32 ndata;
382 			__u64 data[16];
383 		} internal;
384 		/*
385 		 * KVM_INTERNAL_ERROR_EMULATION
386 		 *
387 		 * "struct emulation_failure" is an overlay of "struct internal"
388 		 * that is used for the KVM_INTERNAL_ERROR_EMULATION sub-type of
389 		 * KVM_EXIT_INTERNAL_ERROR.  Note, unlike other internal error
390 		 * sub-types, this struct is ABI!  It also needs to be backwards
391 		 * compatible with "struct internal".  Take special care that
392 		 * "ndata" is correct, that new fields are enumerated in "flags",
393 		 * and that each flag enumerates fields that are 64-bit aligned
394 		 * and sized (so that ndata+internal.data[] is valid/accurate).
395 		 *
396 		 * Space beyond the defined fields may be used to store arbitrary
397 		 * debug information relating to the emulation failure. It is
398 		 * accounted for in "ndata" but the format is unspecified and is
399 		 * not represented in "flags". Any such information is *not* ABI!
400 		 */
401 		struct {
402 			__u32 suberror;
403 			__u32 ndata;
404 			__u64 flags;
405 			union {
406 				struct {
407 					__u8  insn_size;
408 					__u8  insn_bytes[15];
409 				};
410 			};
411 			/* Arbitrary debug data may follow. */
412 		} emulation_failure;
413 		/* KVM_EXIT_OSI */
414 		struct {
415 			__u64 gprs[32];
416 		} osi;
417 		/* KVM_EXIT_PAPR_HCALL */
418 		struct {
419 			__u64 nr;
420 			__u64 ret;
421 			__u64 args[9];
422 		} papr_hcall;
423 		/* KVM_EXIT_S390_TSCH */
424 		struct {
425 			__u16 subchannel_id;
426 			__u16 subchannel_nr;
427 			__u32 io_int_parm;
428 			__u32 io_int_word;
429 			__u32 ipb;
430 			__u8 dequeued;
431 		} s390_tsch;
432 		/* KVM_EXIT_EPR */
433 		struct {
434 			__u32 epr;
435 		} epr;
436 		/* KVM_EXIT_SYSTEM_EVENT */
437 		struct {
438 #define KVM_SYSTEM_EVENT_SHUTDOWN       1
439 #define KVM_SYSTEM_EVENT_RESET          2
440 #define KVM_SYSTEM_EVENT_CRASH          3
441 #define KVM_SYSTEM_EVENT_WAKEUP         4
442 #define KVM_SYSTEM_EVENT_SUSPEND        5
443 #define KVM_SYSTEM_EVENT_SEV_TERM       6
444 			__u32 type;
445 			__u32 ndata;
446 			union {
447 #ifndef __KERNEL__
448 				__u64 flags;
449 #endif
450 				__u64 data[16];
451 			};
452 		} system_event;
453 		/* KVM_EXIT_S390_STSI */
454 		struct {
455 			__u64 addr;
456 			__u8 ar;
457 			__u8 reserved;
458 			__u8 fc;
459 			__u8 sel1;
460 			__u16 sel2;
461 		} s390_stsi;
462 		/* KVM_EXIT_IOAPIC_EOI */
463 		struct {
464 			__u8 vector;
465 		} eoi;
466 		/* KVM_EXIT_HYPERV */
467 		struct kvm_hyperv_exit hyperv;
468 		/* KVM_EXIT_ARM_NISV */
469 		struct {
470 			__u64 esr_iss;
471 			__u64 fault_ipa;
472 		} arm_nisv;
473 		/* KVM_EXIT_X86_RDMSR / KVM_EXIT_X86_WRMSR */
474 		struct {
475 			__u8 error; /* user -> kernel */
476 			__u8 pad[7];
477 #define KVM_MSR_EXIT_REASON_INVAL	(1 << 0)
478 #define KVM_MSR_EXIT_REASON_UNKNOWN	(1 << 1)
479 #define KVM_MSR_EXIT_REASON_FILTER	(1 << 2)
480 			__u32 reason; /* kernel -> user */
481 			__u32 index; /* kernel -> user */
482 			__u64 data; /* kernel <-> user */
483 		} msr;
484 		/* KVM_EXIT_XEN */
485 		struct kvm_xen_exit xen;
486 		/* KVM_EXIT_RISCV_SBI */
487 		struct {
488 			unsigned long extension_id;
489 			unsigned long function_id;
490 			unsigned long args[6];
491 			unsigned long ret[2];
492 		} riscv_sbi;
493 		/* KVM_EXIT_RISCV_CSR */
494 		struct {
495 			unsigned long csr_num;
496 			unsigned long new_value;
497 			unsigned long write_mask;
498 			unsigned long ret_value;
499 		} riscv_csr;
500 		/* KVM_EXIT_NOTIFY */
501 		struct {
502 #define KVM_NOTIFY_CONTEXT_INVALID	(1 << 0)
503 			__u32 flags;
504 		} notify;
505 		/* Fix the size of the union. */
506 		char padding[256];
507 	};
508 
509 	/* 2048 is the size of the char array used to bound/pad the size
510 	 * of the union that holds sync regs.
511 	 */
512 	#define SYNC_REGS_SIZE_BYTES 2048
513 	/*
514 	 * shared registers between kvm and userspace.
515 	 * kvm_valid_regs specifies the register classes set by the host
516 	 * kvm_dirty_regs specified the register classes dirtied by userspace
517 	 * struct kvm_sync_regs is architecture specific, as well as the
518 	 * bits for kvm_valid_regs and kvm_dirty_regs
519 	 */
520 	__u64 kvm_valid_regs;
521 	__u64 kvm_dirty_regs;
522 	union {
523 		struct kvm_sync_regs regs;
524 		char padding[SYNC_REGS_SIZE_BYTES];
525 	} s;
526 };
527 
528 /* for KVM_REGISTER_COALESCED_MMIO / KVM_UNREGISTER_COALESCED_MMIO */
529 
530 struct kvm_coalesced_mmio_zone {
531 	__u64 addr;
532 	__u32 size;
533 	union {
534 		__u32 pad;
535 		__u32 pio;
536 	};
537 };
538 
539 struct kvm_coalesced_mmio {
540 	__u64 phys_addr;
541 	__u32 len;
542 	union {
543 		__u32 pad;
544 		__u32 pio;
545 	};
546 	__u8  data[8];
547 };
548 
549 struct kvm_coalesced_mmio_ring {
550 	__u32 first, last;
551 	struct kvm_coalesced_mmio coalesced_mmio[];
552 };
553 
554 #define KVM_COALESCED_MMIO_MAX \
555 	((PAGE_SIZE - sizeof(struct kvm_coalesced_mmio_ring)) / \
556 	 sizeof(struct kvm_coalesced_mmio))
557 
558 /* for KVM_TRANSLATE */
559 struct kvm_translation {
560 	/* in */
561 	__u64 linear_address;
562 
563 	/* out */
564 	__u64 physical_address;
565 	__u8  valid;
566 	__u8  writeable;
567 	__u8  usermode;
568 	__u8  pad[5];
569 };
570 
571 /* for KVM_S390_MEM_OP */
572 struct kvm_s390_mem_op {
573 	/* in */
574 	__u64 gaddr;		/* the guest address */
575 	__u64 flags;		/* flags */
576 	__u32 size;		/* amount of bytes */
577 	__u32 op;		/* type of operation */
578 	__u64 buf;		/* buffer in userspace */
579 	union {
580 		struct {
581 			__u8 ar;	/* the access register number */
582 			__u8 key;	/* access key, ignored if flag unset */
583 		};
584 		__u32 sida_offset; /* offset into the sida */
585 		__u8 reserved[32]; /* ignored */
586 	};
587 };
588 /* types for kvm_s390_mem_op->op */
589 #define KVM_S390_MEMOP_LOGICAL_READ	0
590 #define KVM_S390_MEMOP_LOGICAL_WRITE	1
591 #define KVM_S390_MEMOP_SIDA_READ	2
592 #define KVM_S390_MEMOP_SIDA_WRITE	3
593 #define KVM_S390_MEMOP_ABSOLUTE_READ	4
594 #define KVM_S390_MEMOP_ABSOLUTE_WRITE	5
595 /* flags for kvm_s390_mem_op->flags */
596 #define KVM_S390_MEMOP_F_CHECK_ONLY		(1ULL << 0)
597 #define KVM_S390_MEMOP_F_INJECT_EXCEPTION	(1ULL << 1)
598 #define KVM_S390_MEMOP_F_SKEY_PROTECTION	(1ULL << 2)
599 
600 /* for KVM_INTERRUPT */
601 struct kvm_interrupt {
602 	/* in */
603 	__u32 irq;
604 };
605 
606 /* for KVM_GET_DIRTY_LOG */
607 struct kvm_dirty_log {
608 	__u32 slot;
609 	__u32 padding1;
610 	union {
611 		void __user *dirty_bitmap; /* one bit per page */
612 		__u64 padding2;
613 	};
614 };
615 
616 /* for KVM_CLEAR_DIRTY_LOG */
617 struct kvm_clear_dirty_log {
618 	__u32 slot;
619 	__u32 num_pages;
620 	__u64 first_page;
621 	union {
622 		void __user *dirty_bitmap; /* one bit per page */
623 		__u64 padding2;
624 	};
625 };
626 
627 /* for KVM_SET_SIGNAL_MASK */
628 struct kvm_signal_mask {
629 	__u32 len;
630 	__u8  sigset[];
631 };
632 
633 /* for KVM_TPR_ACCESS_REPORTING */
634 struct kvm_tpr_access_ctl {
635 	__u32 enabled;
636 	__u32 flags;
637 	__u32 reserved[8];
638 };
639 
640 /* for KVM_SET_VAPIC_ADDR */
641 struct kvm_vapic_addr {
642 	__u64 vapic_addr;
643 };
644 
645 /* for KVM_SET_MP_STATE */
646 
647 /* not all states are valid on all architectures */
648 #define KVM_MP_STATE_RUNNABLE          0
649 #define KVM_MP_STATE_UNINITIALIZED     1
650 #define KVM_MP_STATE_INIT_RECEIVED     2
651 #define KVM_MP_STATE_HALTED            3
652 #define KVM_MP_STATE_SIPI_RECEIVED     4
653 #define KVM_MP_STATE_STOPPED           5
654 #define KVM_MP_STATE_CHECK_STOP        6
655 #define KVM_MP_STATE_OPERATING         7
656 #define KVM_MP_STATE_LOAD              8
657 #define KVM_MP_STATE_AP_RESET_HOLD     9
658 #define KVM_MP_STATE_SUSPENDED         10
659 
660 struct kvm_mp_state {
661 	__u32 mp_state;
662 };
663 
664 struct kvm_s390_psw {
665 	__u64 mask;
666 	__u64 addr;
667 };
668 
669 /* valid values for type in kvm_s390_interrupt */
670 #define KVM_S390_SIGP_STOP		0xfffe0000u
671 #define KVM_S390_PROGRAM_INT		0xfffe0001u
672 #define KVM_S390_SIGP_SET_PREFIX	0xfffe0002u
673 #define KVM_S390_RESTART		0xfffe0003u
674 #define KVM_S390_INT_PFAULT_INIT	0xfffe0004u
675 #define KVM_S390_INT_PFAULT_DONE	0xfffe0005u
676 #define KVM_S390_MCHK			0xfffe1000u
677 #define KVM_S390_INT_CLOCK_COMP		0xffff1004u
678 #define KVM_S390_INT_CPU_TIMER		0xffff1005u
679 #define KVM_S390_INT_VIRTIO		0xffff2603u
680 #define KVM_S390_INT_SERVICE		0xffff2401u
681 #define KVM_S390_INT_EMERGENCY		0xffff1201u
682 #define KVM_S390_INT_EXTERNAL_CALL	0xffff1202u
683 /* Anything below 0xfffe0000u is taken by INT_IO */
684 #define KVM_S390_INT_IO(ai,cssid,ssid,schid)   \
685 	(((schid)) |			       \
686 	 ((ssid) << 16) |		       \
687 	 ((cssid) << 18) |		       \
688 	 ((ai) << 26))
689 #define KVM_S390_INT_IO_MIN		0x00000000u
690 #define KVM_S390_INT_IO_MAX		0xfffdffffu
691 #define KVM_S390_INT_IO_AI_MASK		0x04000000u
692 
693 
694 struct kvm_s390_interrupt {
695 	__u32 type;
696 	__u32 parm;
697 	__u64 parm64;
698 };
699 
700 struct kvm_s390_io_info {
701 	__u16 subchannel_id;
702 	__u16 subchannel_nr;
703 	__u32 io_int_parm;
704 	__u32 io_int_word;
705 };
706 
707 struct kvm_s390_ext_info {
708 	__u32 ext_params;
709 	__u32 pad;
710 	__u64 ext_params2;
711 };
712 
713 struct kvm_s390_pgm_info {
714 	__u64 trans_exc_code;
715 	__u64 mon_code;
716 	__u64 per_address;
717 	__u32 data_exc_code;
718 	__u16 code;
719 	__u16 mon_class_nr;
720 	__u8 per_code;
721 	__u8 per_atmid;
722 	__u8 exc_access_id;
723 	__u8 per_access_id;
724 	__u8 op_access_id;
725 #define KVM_S390_PGM_FLAGS_ILC_VALID	0x01
726 #define KVM_S390_PGM_FLAGS_ILC_0	0x02
727 #define KVM_S390_PGM_FLAGS_ILC_1	0x04
728 #define KVM_S390_PGM_FLAGS_ILC_MASK	0x06
729 #define KVM_S390_PGM_FLAGS_NO_REWIND	0x08
730 	__u8 flags;
731 	__u8 pad[2];
732 };
733 
734 struct kvm_s390_prefix_info {
735 	__u32 address;
736 };
737 
738 struct kvm_s390_extcall_info {
739 	__u16 code;
740 };
741 
742 struct kvm_s390_emerg_info {
743 	__u16 code;
744 };
745 
746 #define KVM_S390_STOP_FLAG_STORE_STATUS	0x01
747 struct kvm_s390_stop_info {
748 	__u32 flags;
749 };
750 
751 struct kvm_s390_mchk_info {
752 	__u64 cr14;
753 	__u64 mcic;
754 	__u64 failing_storage_address;
755 	__u32 ext_damage_code;
756 	__u32 pad;
757 	__u8 fixed_logout[16];
758 };
759 
760 struct kvm_s390_irq {
761 	__u64 type;
762 	union {
763 		struct kvm_s390_io_info io;
764 		struct kvm_s390_ext_info ext;
765 		struct kvm_s390_pgm_info pgm;
766 		struct kvm_s390_emerg_info emerg;
767 		struct kvm_s390_extcall_info extcall;
768 		struct kvm_s390_prefix_info prefix;
769 		struct kvm_s390_stop_info stop;
770 		struct kvm_s390_mchk_info mchk;
771 		char reserved[64];
772 	} u;
773 };
774 
775 struct kvm_s390_irq_state {
776 	__u64 buf;
777 	__u32 flags;        /* will stay unused for compatibility reasons */
778 	__u32 len;
779 	__u32 reserved[4];  /* will stay unused for compatibility reasons */
780 };
781 
782 /* for KVM_SET_GUEST_DEBUG */
783 
784 #define KVM_GUESTDBG_ENABLE		0x00000001
785 #define KVM_GUESTDBG_SINGLESTEP		0x00000002
786 
787 struct kvm_guest_debug {
788 	__u32 control;
789 	__u32 pad;
790 	struct kvm_guest_debug_arch arch;
791 };
792 
793 enum {
794 	kvm_ioeventfd_flag_nr_datamatch,
795 	kvm_ioeventfd_flag_nr_pio,
796 	kvm_ioeventfd_flag_nr_deassign,
797 	kvm_ioeventfd_flag_nr_virtio_ccw_notify,
798 	kvm_ioeventfd_flag_nr_fast_mmio,
799 	kvm_ioeventfd_flag_nr_max,
800 };
801 
802 #define KVM_IOEVENTFD_FLAG_DATAMATCH (1 << kvm_ioeventfd_flag_nr_datamatch)
803 #define KVM_IOEVENTFD_FLAG_PIO       (1 << kvm_ioeventfd_flag_nr_pio)
804 #define KVM_IOEVENTFD_FLAG_DEASSIGN  (1 << kvm_ioeventfd_flag_nr_deassign)
805 #define KVM_IOEVENTFD_FLAG_VIRTIO_CCW_NOTIFY \
806 	(1 << kvm_ioeventfd_flag_nr_virtio_ccw_notify)
807 
808 #define KVM_IOEVENTFD_VALID_FLAG_MASK  ((1 << kvm_ioeventfd_flag_nr_max) - 1)
809 
810 struct kvm_ioeventfd {
811 	__u64 datamatch;
812 	__u64 addr;        /* legal pio/mmio address */
813 	__u32 len;         /* 1, 2, 4, or 8 bytes; or 0 to ignore length */
814 	__s32 fd;
815 	__u32 flags;
816 	__u8  pad[36];
817 };
818 
819 #define KVM_X86_DISABLE_EXITS_MWAIT          (1 << 0)
820 #define KVM_X86_DISABLE_EXITS_HLT            (1 << 1)
821 #define KVM_X86_DISABLE_EXITS_PAUSE          (1 << 2)
822 #define KVM_X86_DISABLE_EXITS_CSTATE         (1 << 3)
823 #define KVM_X86_DISABLE_VALID_EXITS          (KVM_X86_DISABLE_EXITS_MWAIT | \
824                                               KVM_X86_DISABLE_EXITS_HLT | \
825                                               KVM_X86_DISABLE_EXITS_PAUSE | \
826                                               KVM_X86_DISABLE_EXITS_CSTATE)
827 
828 /* for KVM_ENABLE_CAP */
829 struct kvm_enable_cap {
830 	/* in */
831 	__u32 cap;
832 	__u32 flags;
833 	__u64 args[4];
834 	__u8  pad[64];
835 };
836 
837 /* for KVM_PPC_GET_PVINFO */
838 
839 #define KVM_PPC_PVINFO_FLAGS_EV_IDLE   (1<<0)
840 
841 struct kvm_ppc_pvinfo {
842 	/* out */
843 	__u32 flags;
844 	__u32 hcall[4];
845 	__u8  pad[108];
846 };
847 
848 /* for KVM_PPC_GET_SMMU_INFO */
849 #define KVM_PPC_PAGE_SIZES_MAX_SZ	8
850 
851 struct kvm_ppc_one_page_size {
852 	__u32 page_shift;	/* Page shift (or 0) */
853 	__u32 pte_enc;		/* Encoding in the HPTE (>>12) */
854 };
855 
856 struct kvm_ppc_one_seg_page_size {
857 	__u32 page_shift;	/* Base page shift of segment (or 0) */
858 	__u32 slb_enc;		/* SLB encoding for BookS */
859 	struct kvm_ppc_one_page_size enc[KVM_PPC_PAGE_SIZES_MAX_SZ];
860 };
861 
862 #define KVM_PPC_PAGE_SIZES_REAL		0x00000001
863 #define KVM_PPC_1T_SEGMENTS		0x00000002
864 #define KVM_PPC_NO_HASH			0x00000004
865 
866 struct kvm_ppc_smmu_info {
867 	__u64 flags;
868 	__u32 slb_size;
869 	__u16 data_keys;	/* # storage keys supported for data */
870 	__u16 instr_keys;	/* # storage keys supported for instructions */
871 	struct kvm_ppc_one_seg_page_size sps[KVM_PPC_PAGE_SIZES_MAX_SZ];
872 };
873 
874 /* for KVM_PPC_RESIZE_HPT_{PREPARE,COMMIT} */
875 struct kvm_ppc_resize_hpt {
876 	__u64 flags;
877 	__u32 shift;
878 	__u32 pad;
879 };
880 
881 #define KVMIO 0xAE
882 
883 /* machine type bits, to be used as argument to KVM_CREATE_VM */
884 #define KVM_VM_S390_UCONTROL	1
885 
886 /* on ppc, 0 indicate default, 1 should force HV and 2 PR */
887 #define KVM_VM_PPC_HV 1
888 #define KVM_VM_PPC_PR 2
889 
890 /* on MIPS, 0 indicates auto, 1 forces VZ ASE, 2 forces trap & emulate */
891 #define KVM_VM_MIPS_AUTO	0
892 #define KVM_VM_MIPS_VZ		1
893 #define KVM_VM_MIPS_TE		2
894 
895 #define KVM_S390_SIE_PAGE_OFFSET 1
896 
897 /*
898  * On arm64, machine type can be used to request the physical
899  * address size for the VM. Bits[7-0] are reserved for the guest
900  * PA size shift (i.e, log2(PA_Size)). For backward compatibility,
901  * value 0 implies the default IPA size, 40bits.
902  */
903 #define KVM_VM_TYPE_ARM_IPA_SIZE_MASK	0xffULL
904 #define KVM_VM_TYPE_ARM_IPA_SIZE(x)		\
905 	((x) & KVM_VM_TYPE_ARM_IPA_SIZE_MASK)
906 /*
907  * ioctls for /dev/kvm fds:
908  */
909 #define KVM_GET_API_VERSION       _IO(KVMIO,   0x00)
910 #define KVM_CREATE_VM             _IO(KVMIO,   0x01) /* returns a VM fd */
911 #define KVM_GET_MSR_INDEX_LIST    _IOWR(KVMIO, 0x02, struct kvm_msr_list)
912 
913 #define KVM_S390_ENABLE_SIE       _IO(KVMIO,   0x06)
914 /*
915  * Check if a kvm extension is available.  Argument is extension number,
916  * return is 1 (yes) or 0 (no, sorry).
917  */
918 #define KVM_CHECK_EXTENSION       _IO(KVMIO,   0x03)
919 /*
920  * Get size for mmap(vcpu_fd)
921  */
922 #define KVM_GET_VCPU_MMAP_SIZE    _IO(KVMIO,   0x04) /* in bytes */
923 #define KVM_GET_SUPPORTED_CPUID   _IOWR(KVMIO, 0x05, struct kvm_cpuid2)
924 #define KVM_TRACE_ENABLE          __KVM_DEPRECATED_MAIN_W_0x06
925 #define KVM_TRACE_PAUSE           __KVM_DEPRECATED_MAIN_0x07
926 #define KVM_TRACE_DISABLE         __KVM_DEPRECATED_MAIN_0x08
927 #define KVM_GET_EMULATED_CPUID	  _IOWR(KVMIO, 0x09, struct kvm_cpuid2)
928 #define KVM_GET_MSR_FEATURE_INDEX_LIST    _IOWR(KVMIO, 0x0a, struct kvm_msr_list)
929 
930 /*
931  * Extension capability list.
932  */
933 #define KVM_CAP_IRQCHIP	  0
934 #define KVM_CAP_HLT	  1
935 #define KVM_CAP_MMU_SHADOW_CACHE_CONTROL 2
936 #define KVM_CAP_USER_MEMORY 3
937 #define KVM_CAP_SET_TSS_ADDR 4
938 #define KVM_CAP_VAPIC 6
939 #define KVM_CAP_EXT_CPUID 7
940 #define KVM_CAP_CLOCKSOURCE 8
941 #define KVM_CAP_NR_VCPUS 9       /* returns recommended max vcpus per vm */
942 #define KVM_CAP_NR_MEMSLOTS 10   /* returns max memory slots per vm */
943 #define KVM_CAP_PIT 11
944 #define KVM_CAP_NOP_IO_DELAY 12
945 #define KVM_CAP_PV_MMU 13
946 #define KVM_CAP_MP_STATE 14
947 #define KVM_CAP_COALESCED_MMIO 15
948 #define KVM_CAP_SYNC_MMU 16  /* Changes to host mmap are reflected in guest */
949 #define KVM_CAP_IOMMU 18
950 /* Bug in KVM_SET_USER_MEMORY_REGION fixed: */
951 #define KVM_CAP_DESTROY_MEMORY_REGION_WORKS 21
952 #define KVM_CAP_USER_NMI 22
953 #ifdef __KVM_HAVE_GUEST_DEBUG
954 #define KVM_CAP_SET_GUEST_DEBUG 23
955 #endif
956 #ifdef __KVM_HAVE_PIT
957 #define KVM_CAP_REINJECT_CONTROL 24
958 #endif
959 #define KVM_CAP_IRQ_ROUTING 25
960 #define KVM_CAP_IRQ_INJECT_STATUS 26
961 #define KVM_CAP_ASSIGN_DEV_IRQ 29
962 /* Another bug in KVM_SET_USER_MEMORY_REGION fixed: */
963 #define KVM_CAP_JOIN_MEMORY_REGIONS_WORKS 30
964 #ifdef __KVM_HAVE_MCE
965 #define KVM_CAP_MCE 31
966 #endif
967 #define KVM_CAP_IRQFD 32
968 #ifdef __KVM_HAVE_PIT
969 #define KVM_CAP_PIT2 33
970 #endif
971 #define KVM_CAP_SET_BOOT_CPU_ID 34
972 #ifdef __KVM_HAVE_PIT_STATE2
973 #define KVM_CAP_PIT_STATE2 35
974 #endif
975 #define KVM_CAP_IOEVENTFD 36
976 #define KVM_CAP_SET_IDENTITY_MAP_ADDR 37
977 #ifdef __KVM_HAVE_XEN_HVM
978 #define KVM_CAP_XEN_HVM 38
979 #endif
980 #define KVM_CAP_ADJUST_CLOCK 39
981 #define KVM_CAP_INTERNAL_ERROR_DATA 40
982 #ifdef __KVM_HAVE_VCPU_EVENTS
983 #define KVM_CAP_VCPU_EVENTS 41
984 #endif
985 #define KVM_CAP_S390_PSW 42
986 #define KVM_CAP_PPC_SEGSTATE 43
987 #define KVM_CAP_HYPERV 44
988 #define KVM_CAP_HYPERV_VAPIC 45
989 #define KVM_CAP_HYPERV_SPIN 46
990 #define KVM_CAP_PCI_SEGMENT 47
991 #define KVM_CAP_PPC_PAIRED_SINGLES 48
992 #define KVM_CAP_INTR_SHADOW 49
993 #ifdef __KVM_HAVE_DEBUGREGS
994 #define KVM_CAP_DEBUGREGS 50
995 #endif
996 #define KVM_CAP_X86_ROBUST_SINGLESTEP 51
997 #define KVM_CAP_PPC_OSI 52
998 #define KVM_CAP_PPC_UNSET_IRQ 53
999 #define KVM_CAP_ENABLE_CAP 54
1000 #ifdef __KVM_HAVE_XSAVE
1001 #define KVM_CAP_XSAVE 55
1002 #endif
1003 #ifdef __KVM_HAVE_XCRS
1004 #define KVM_CAP_XCRS 56
1005 #endif
1006 #define KVM_CAP_PPC_GET_PVINFO 57
1007 #define KVM_CAP_PPC_IRQ_LEVEL 58
1008 #define KVM_CAP_ASYNC_PF 59
1009 #define KVM_CAP_TSC_CONTROL 60
1010 #define KVM_CAP_GET_TSC_KHZ 61
1011 #define KVM_CAP_PPC_BOOKE_SREGS 62
1012 #define KVM_CAP_SPAPR_TCE 63
1013 #define KVM_CAP_PPC_SMT 64
1014 #define KVM_CAP_PPC_RMA	65
1015 #define KVM_CAP_MAX_VCPUS 66       /* returns max vcpus per vm */
1016 #define KVM_CAP_PPC_HIOR 67
1017 #define KVM_CAP_PPC_PAPR 68
1018 #define KVM_CAP_SW_TLB 69
1019 #define KVM_CAP_ONE_REG 70
1020 #define KVM_CAP_S390_GMAP 71
1021 #define KVM_CAP_TSC_DEADLINE_TIMER 72
1022 #define KVM_CAP_S390_UCONTROL 73
1023 #define KVM_CAP_SYNC_REGS 74
1024 #define KVM_CAP_PCI_2_3 75
1025 #define KVM_CAP_KVMCLOCK_CTRL 76
1026 #define KVM_CAP_SIGNAL_MSI 77
1027 #define KVM_CAP_PPC_GET_SMMU_INFO 78
1028 #define KVM_CAP_S390_COW 79
1029 #define KVM_CAP_PPC_ALLOC_HTAB 80
1030 #define KVM_CAP_READONLY_MEM 81
1031 #define KVM_CAP_IRQFD_RESAMPLE 82
1032 #define KVM_CAP_PPC_BOOKE_WATCHDOG 83
1033 #define KVM_CAP_PPC_HTAB_FD 84
1034 #define KVM_CAP_S390_CSS_SUPPORT 85
1035 #define KVM_CAP_PPC_EPR 86
1036 #define KVM_CAP_ARM_PSCI 87
1037 #define KVM_CAP_ARM_SET_DEVICE_ADDR 88
1038 #define KVM_CAP_DEVICE_CTRL 89
1039 #define KVM_CAP_IRQ_MPIC 90
1040 #define KVM_CAP_PPC_RTAS 91
1041 #define KVM_CAP_IRQ_XICS 92
1042 #define KVM_CAP_ARM_EL1_32BIT 93
1043 #define KVM_CAP_SPAPR_MULTITCE 94
1044 #define KVM_CAP_EXT_EMUL_CPUID 95
1045 #define KVM_CAP_HYPERV_TIME 96
1046 #define KVM_CAP_IOAPIC_POLARITY_IGNORED 97
1047 #define KVM_CAP_ENABLE_CAP_VM 98
1048 #define KVM_CAP_S390_IRQCHIP 99
1049 #define KVM_CAP_IOEVENTFD_NO_LENGTH 100
1050 #define KVM_CAP_VM_ATTRIBUTES 101
1051 #define KVM_CAP_ARM_PSCI_0_2 102
1052 #define KVM_CAP_PPC_FIXUP_HCALL 103
1053 #define KVM_CAP_PPC_ENABLE_HCALL 104
1054 #define KVM_CAP_CHECK_EXTENSION_VM 105
1055 #define KVM_CAP_S390_USER_SIGP 106
1056 #define KVM_CAP_S390_VECTOR_REGISTERS 107
1057 #define KVM_CAP_S390_MEM_OP 108
1058 #define KVM_CAP_S390_USER_STSI 109
1059 #define KVM_CAP_S390_SKEYS 110
1060 #define KVM_CAP_MIPS_FPU 111
1061 #define KVM_CAP_MIPS_MSA 112
1062 #define KVM_CAP_S390_INJECT_IRQ 113
1063 #define KVM_CAP_S390_IRQ_STATE 114
1064 #define KVM_CAP_PPC_HWRNG 115
1065 #define KVM_CAP_DISABLE_QUIRKS 116
1066 #define KVM_CAP_X86_SMM 117
1067 #define KVM_CAP_MULTI_ADDRESS_SPACE 118
1068 #define KVM_CAP_GUEST_DEBUG_HW_BPS 119
1069 #define KVM_CAP_GUEST_DEBUG_HW_WPS 120
1070 #define KVM_CAP_SPLIT_IRQCHIP 121
1071 #define KVM_CAP_IOEVENTFD_ANY_LENGTH 122
1072 #define KVM_CAP_HYPERV_SYNIC 123
1073 #define KVM_CAP_S390_RI 124
1074 #define KVM_CAP_SPAPR_TCE_64 125
1075 #define KVM_CAP_ARM_PMU_V3 126
1076 #define KVM_CAP_VCPU_ATTRIBUTES 127
1077 #define KVM_CAP_MAX_VCPU_ID 128
1078 #define KVM_CAP_X2APIC_API 129
1079 #define KVM_CAP_S390_USER_INSTR0 130
1080 #define KVM_CAP_MSI_DEVID 131
1081 #define KVM_CAP_PPC_HTM 132
1082 #define KVM_CAP_SPAPR_RESIZE_HPT 133
1083 #define KVM_CAP_PPC_MMU_RADIX 134
1084 #define KVM_CAP_PPC_MMU_HASH_V3 135
1085 #define KVM_CAP_IMMEDIATE_EXIT 136
1086 #define KVM_CAP_MIPS_VZ 137
1087 #define KVM_CAP_MIPS_TE 138
1088 #define KVM_CAP_MIPS_64BIT 139
1089 #define KVM_CAP_S390_GS 140
1090 #define KVM_CAP_S390_AIS 141
1091 #define KVM_CAP_SPAPR_TCE_VFIO 142
1092 #define KVM_CAP_X86_DISABLE_EXITS 143
1093 #define KVM_CAP_ARM_USER_IRQ 144
1094 #define KVM_CAP_S390_CMMA_MIGRATION 145
1095 #define KVM_CAP_PPC_FWNMI 146
1096 #define KVM_CAP_PPC_SMT_POSSIBLE 147
1097 #define KVM_CAP_HYPERV_SYNIC2 148
1098 #define KVM_CAP_HYPERV_VP_INDEX 149
1099 #define KVM_CAP_S390_AIS_MIGRATION 150
1100 #define KVM_CAP_PPC_GET_CPU_CHAR 151
1101 #define KVM_CAP_S390_BPB 152
1102 #define KVM_CAP_GET_MSR_FEATURES 153
1103 #define KVM_CAP_HYPERV_EVENTFD 154
1104 #define KVM_CAP_HYPERV_TLBFLUSH 155
1105 #define KVM_CAP_S390_HPAGE_1M 156
1106 #define KVM_CAP_NESTED_STATE 157
1107 #define KVM_CAP_ARM_INJECT_SERROR_ESR 158
1108 #define KVM_CAP_MSR_PLATFORM_INFO 159
1109 #define KVM_CAP_PPC_NESTED_HV 160
1110 #define KVM_CAP_HYPERV_SEND_IPI 161
1111 #define KVM_CAP_COALESCED_PIO 162
1112 #define KVM_CAP_HYPERV_ENLIGHTENED_VMCS 163
1113 #define KVM_CAP_EXCEPTION_PAYLOAD 164
1114 #define KVM_CAP_ARM_VM_IPA_SIZE 165
1115 #define KVM_CAP_MANUAL_DIRTY_LOG_PROTECT 166 /* Obsolete */
1116 #define KVM_CAP_HYPERV_CPUID 167
1117 #define KVM_CAP_MANUAL_DIRTY_LOG_PROTECT2 168
1118 #define KVM_CAP_PPC_IRQ_XIVE 169
1119 #define KVM_CAP_ARM_SVE 170
1120 #define KVM_CAP_ARM_PTRAUTH_ADDRESS 171
1121 #define KVM_CAP_ARM_PTRAUTH_GENERIC 172
1122 #define KVM_CAP_PMU_EVENT_FILTER 173
1123 #define KVM_CAP_ARM_IRQ_LINE_LAYOUT_2 174
1124 #define KVM_CAP_HYPERV_DIRECT_TLBFLUSH 175
1125 #define KVM_CAP_PPC_GUEST_DEBUG_SSTEP 176
1126 #define KVM_CAP_ARM_NISV_TO_USER 177
1127 #define KVM_CAP_ARM_INJECT_EXT_DABT 178
1128 #define KVM_CAP_S390_VCPU_RESETS 179
1129 #define KVM_CAP_S390_PROTECTED 180
1130 #define KVM_CAP_PPC_SECURE_GUEST 181
1131 #define KVM_CAP_HALT_POLL 182
1132 #define KVM_CAP_ASYNC_PF_INT 183
1133 #define KVM_CAP_LAST_CPU 184
1134 #define KVM_CAP_SMALLER_MAXPHYADDR 185
1135 #define KVM_CAP_S390_DIAG318 186
1136 #define KVM_CAP_STEAL_TIME 187
1137 #define KVM_CAP_X86_USER_SPACE_MSR 188
1138 #define KVM_CAP_X86_MSR_FILTER 189
1139 #define KVM_CAP_ENFORCE_PV_FEATURE_CPUID 190
1140 #define KVM_CAP_SYS_HYPERV_CPUID 191
1141 #define KVM_CAP_DIRTY_LOG_RING 192
1142 #define KVM_CAP_X86_BUS_LOCK_EXIT 193
1143 #define KVM_CAP_PPC_DAWR1 194
1144 #define KVM_CAP_SET_GUEST_DEBUG2 195
1145 #define KVM_CAP_SGX_ATTRIBUTE 196
1146 #define KVM_CAP_VM_COPY_ENC_CONTEXT_FROM 197
1147 #define KVM_CAP_PTP_KVM 198
1148 #define KVM_CAP_HYPERV_ENFORCE_CPUID 199
1149 #define KVM_CAP_SREGS2 200
1150 #define KVM_CAP_EXIT_HYPERCALL 201
1151 #define KVM_CAP_PPC_RPT_INVALIDATE 202
1152 #define KVM_CAP_BINARY_STATS_FD 203
1153 #define KVM_CAP_EXIT_ON_EMULATION_FAILURE 204
1154 #define KVM_CAP_ARM_MTE 205
1155 #define KVM_CAP_VM_MOVE_ENC_CONTEXT_FROM 206
1156 #define KVM_CAP_VM_GPA_BITS 207
1157 #define KVM_CAP_XSAVE2 208
1158 #define KVM_CAP_SYS_ATTRIBUTES 209
1159 #define KVM_CAP_PPC_AIL_MODE_3 210
1160 #define KVM_CAP_S390_MEM_OP_EXTENSION 211
1161 #define KVM_CAP_PMU_CAPABILITY 212
1162 #define KVM_CAP_DISABLE_QUIRKS2 213
1163 #define KVM_CAP_VM_TSC_CONTROL 214
1164 #define KVM_CAP_SYSTEM_EVENT_DATA 215
1165 #define KVM_CAP_ARM_SYSTEM_SUSPEND 216
1166 #define KVM_CAP_S390_PROTECTED_DUMP 217
1167 #define KVM_CAP_X86_TRIPLE_FAULT_EVENT 218
1168 #define KVM_CAP_X86_NOTIFY_VMEXIT 219
1169 #define KVM_CAP_VM_DISABLE_NX_HUGE_PAGES 220
1170 #define KVM_CAP_S390_ZPCI_OP 221
1171 #define KVM_CAP_S390_CPU_TOPOLOGY 222
1172 #define KVM_CAP_DIRTY_LOG_RING_ACQ_REL 223
1173 
1174 #ifdef KVM_CAP_IRQ_ROUTING
1175 
1176 struct kvm_irq_routing_irqchip {
1177 	__u32 irqchip;
1178 	__u32 pin;
1179 };
1180 
1181 struct kvm_irq_routing_msi {
1182 	__u32 address_lo;
1183 	__u32 address_hi;
1184 	__u32 data;
1185 	union {
1186 		__u32 pad;
1187 		__u32 devid;
1188 	};
1189 };
1190 
1191 struct kvm_irq_routing_s390_adapter {
1192 	__u64 ind_addr;
1193 	__u64 summary_addr;
1194 	__u64 ind_offset;
1195 	__u32 summary_offset;
1196 	__u32 adapter_id;
1197 };
1198 
1199 struct kvm_irq_routing_hv_sint {
1200 	__u32 vcpu;
1201 	__u32 sint;
1202 };
1203 
1204 struct kvm_irq_routing_xen_evtchn {
1205 	__u32 port;
1206 	__u32 vcpu;
1207 	__u32 priority;
1208 };
1209 
1210 #define KVM_IRQ_ROUTING_XEN_EVTCHN_PRIO_2LEVEL ((__u32)(-1))
1211 
1212 /* gsi routing entry types */
1213 #define KVM_IRQ_ROUTING_IRQCHIP 1
1214 #define KVM_IRQ_ROUTING_MSI 2
1215 #define KVM_IRQ_ROUTING_S390_ADAPTER 3
1216 #define KVM_IRQ_ROUTING_HV_SINT 4
1217 #define KVM_IRQ_ROUTING_XEN_EVTCHN 5
1218 
1219 struct kvm_irq_routing_entry {
1220 	__u32 gsi;
1221 	__u32 type;
1222 	__u32 flags;
1223 	__u32 pad;
1224 	union {
1225 		struct kvm_irq_routing_irqchip irqchip;
1226 		struct kvm_irq_routing_msi msi;
1227 		struct kvm_irq_routing_s390_adapter adapter;
1228 		struct kvm_irq_routing_hv_sint hv_sint;
1229 		struct kvm_irq_routing_xen_evtchn xen_evtchn;
1230 		__u32 pad[8];
1231 	} u;
1232 };
1233 
1234 struct kvm_irq_routing {
1235 	__u32 nr;
1236 	__u32 flags;
1237 	struct kvm_irq_routing_entry entries[];
1238 };
1239 
1240 #endif
1241 
1242 #ifdef KVM_CAP_MCE
1243 /* x86 MCE */
1244 struct kvm_x86_mce {
1245 	__u64 status;
1246 	__u64 addr;
1247 	__u64 misc;
1248 	__u64 mcg_status;
1249 	__u8 bank;
1250 	__u8 pad1[7];
1251 	__u64 pad2[3];
1252 };
1253 #endif
1254 
1255 #ifdef KVM_CAP_XEN_HVM
1256 #define KVM_XEN_HVM_CONFIG_HYPERCALL_MSR	(1 << 0)
1257 #define KVM_XEN_HVM_CONFIG_INTERCEPT_HCALL	(1 << 1)
1258 #define KVM_XEN_HVM_CONFIG_SHARED_INFO		(1 << 2)
1259 #define KVM_XEN_HVM_CONFIG_RUNSTATE		(1 << 3)
1260 #define KVM_XEN_HVM_CONFIG_EVTCHN_2LEVEL	(1 << 4)
1261 #define KVM_XEN_HVM_CONFIG_EVTCHN_SEND		(1 << 5)
1262 
1263 struct kvm_xen_hvm_config {
1264 	__u32 flags;
1265 	__u32 msr;
1266 	__u64 blob_addr_32;
1267 	__u64 blob_addr_64;
1268 	__u8 blob_size_32;
1269 	__u8 blob_size_64;
1270 	__u8 pad2[30];
1271 };
1272 #endif
1273 
1274 #define KVM_IRQFD_FLAG_DEASSIGN (1 << 0)
1275 /*
1276  * Available with KVM_CAP_IRQFD_RESAMPLE
1277  *
1278  * KVM_IRQFD_FLAG_RESAMPLE indicates resamplefd is valid and specifies
1279  * the irqfd to operate in resampling mode for level triggered interrupt
1280  * emulation.  See Documentation/virt/kvm/api.rst.
1281  */
1282 #define KVM_IRQFD_FLAG_RESAMPLE (1 << 1)
1283 
1284 struct kvm_irqfd {
1285 	__u32 fd;
1286 	__u32 gsi;
1287 	__u32 flags;
1288 	__u32 resamplefd;
1289 	__u8  pad[16];
1290 };
1291 
1292 /* For KVM_CAP_ADJUST_CLOCK */
1293 
1294 /* Do not use 1, KVM_CHECK_EXTENSION returned it before we had flags.  */
1295 #define KVM_CLOCK_TSC_STABLE		2
1296 #define KVM_CLOCK_REALTIME		(1 << 2)
1297 #define KVM_CLOCK_HOST_TSC		(1 << 3)
1298 
1299 struct kvm_clock_data {
1300 	__u64 clock;
1301 	__u32 flags;
1302 	__u32 pad0;
1303 	__u64 realtime;
1304 	__u64 host_tsc;
1305 	__u32 pad[4];
1306 };
1307 
1308 /* For KVM_CAP_SW_TLB */
1309 
1310 #define KVM_MMU_FSL_BOOKE_NOHV		0
1311 #define KVM_MMU_FSL_BOOKE_HV		1
1312 
1313 struct kvm_config_tlb {
1314 	__u64 params;
1315 	__u64 array;
1316 	__u32 mmu_type;
1317 	__u32 array_len;
1318 };
1319 
1320 struct kvm_dirty_tlb {
1321 	__u64 bitmap;
1322 	__u32 num_dirty;
1323 };
1324 
1325 /* Available with KVM_CAP_ONE_REG */
1326 
1327 #define KVM_REG_ARCH_MASK	0xff00000000000000ULL
1328 #define KVM_REG_GENERIC		0x0000000000000000ULL
1329 
1330 /*
1331  * Architecture specific registers are to be defined in arch headers and
1332  * ORed with the arch identifier.
1333  */
1334 #define KVM_REG_PPC		0x1000000000000000ULL
1335 #define KVM_REG_X86		0x2000000000000000ULL
1336 #define KVM_REG_IA64		0x3000000000000000ULL
1337 #define KVM_REG_ARM		0x4000000000000000ULL
1338 #define KVM_REG_S390		0x5000000000000000ULL
1339 #define KVM_REG_ARM64		0x6000000000000000ULL
1340 #define KVM_REG_MIPS		0x7000000000000000ULL
1341 #define KVM_REG_RISCV		0x8000000000000000ULL
1342 
1343 #define KVM_REG_SIZE_SHIFT	52
1344 #define KVM_REG_SIZE_MASK	0x00f0000000000000ULL
1345 #define KVM_REG_SIZE_U8		0x0000000000000000ULL
1346 #define KVM_REG_SIZE_U16	0x0010000000000000ULL
1347 #define KVM_REG_SIZE_U32	0x0020000000000000ULL
1348 #define KVM_REG_SIZE_U64	0x0030000000000000ULL
1349 #define KVM_REG_SIZE_U128	0x0040000000000000ULL
1350 #define KVM_REG_SIZE_U256	0x0050000000000000ULL
1351 #define KVM_REG_SIZE_U512	0x0060000000000000ULL
1352 #define KVM_REG_SIZE_U1024	0x0070000000000000ULL
1353 #define KVM_REG_SIZE_U2048	0x0080000000000000ULL
1354 
1355 struct kvm_reg_list {
1356 	__u64 n; /* number of regs */
1357 	__u64 reg[];
1358 };
1359 
1360 struct kvm_one_reg {
1361 	__u64 id;
1362 	__u64 addr;
1363 };
1364 
1365 #define KVM_MSI_VALID_DEVID	(1U << 0)
1366 struct kvm_msi {
1367 	__u32 address_lo;
1368 	__u32 address_hi;
1369 	__u32 data;
1370 	__u32 flags;
1371 	__u32 devid;
1372 	__u8  pad[12];
1373 };
1374 
1375 struct kvm_arm_device_addr {
1376 	__u64 id;
1377 	__u64 addr;
1378 };
1379 
1380 /*
1381  * Device control API, available with KVM_CAP_DEVICE_CTRL
1382  */
1383 #define KVM_CREATE_DEVICE_TEST		1
1384 
1385 struct kvm_create_device {
1386 	__u32	type;	/* in: KVM_DEV_TYPE_xxx */
1387 	__u32	fd;	/* out: device handle */
1388 	__u32	flags;	/* in: KVM_CREATE_DEVICE_xxx */
1389 };
1390 
1391 struct kvm_device_attr {
1392 	__u32	flags;		/* no flags currently defined */
1393 	__u32	group;		/* device-defined */
1394 	__u64	attr;		/* group-defined */
1395 	__u64	addr;		/* userspace address of attr data */
1396 };
1397 
1398 #define  KVM_DEV_VFIO_GROUP			1
1399 #define   KVM_DEV_VFIO_GROUP_ADD			1
1400 #define   KVM_DEV_VFIO_GROUP_DEL			2
1401 #define   KVM_DEV_VFIO_GROUP_SET_SPAPR_TCE		3
1402 
1403 enum kvm_device_type {
1404 	KVM_DEV_TYPE_FSL_MPIC_20	= 1,
1405 #define KVM_DEV_TYPE_FSL_MPIC_20	KVM_DEV_TYPE_FSL_MPIC_20
1406 	KVM_DEV_TYPE_FSL_MPIC_42,
1407 #define KVM_DEV_TYPE_FSL_MPIC_42	KVM_DEV_TYPE_FSL_MPIC_42
1408 	KVM_DEV_TYPE_XICS,
1409 #define KVM_DEV_TYPE_XICS		KVM_DEV_TYPE_XICS
1410 	KVM_DEV_TYPE_VFIO,
1411 #define KVM_DEV_TYPE_VFIO		KVM_DEV_TYPE_VFIO
1412 	KVM_DEV_TYPE_ARM_VGIC_V2,
1413 #define KVM_DEV_TYPE_ARM_VGIC_V2	KVM_DEV_TYPE_ARM_VGIC_V2
1414 	KVM_DEV_TYPE_FLIC,
1415 #define KVM_DEV_TYPE_FLIC		KVM_DEV_TYPE_FLIC
1416 	KVM_DEV_TYPE_ARM_VGIC_V3,
1417 #define KVM_DEV_TYPE_ARM_VGIC_V3	KVM_DEV_TYPE_ARM_VGIC_V3
1418 	KVM_DEV_TYPE_ARM_VGIC_ITS,
1419 #define KVM_DEV_TYPE_ARM_VGIC_ITS	KVM_DEV_TYPE_ARM_VGIC_ITS
1420 	KVM_DEV_TYPE_XIVE,
1421 #define KVM_DEV_TYPE_XIVE		KVM_DEV_TYPE_XIVE
1422 	KVM_DEV_TYPE_ARM_PV_TIME,
1423 #define KVM_DEV_TYPE_ARM_PV_TIME	KVM_DEV_TYPE_ARM_PV_TIME
1424 	KVM_DEV_TYPE_MAX,
1425 };
1426 
1427 struct kvm_vfio_spapr_tce {
1428 	__s32	groupfd;
1429 	__s32	tablefd;
1430 };
1431 
1432 /*
1433  * KVM_CREATE_VCPU receives as a parameter the vcpu slot, and returns
1434  * a vcpu fd.
1435  */
1436 #define KVM_CREATE_VCPU           _IO(KVMIO,   0x41)
1437 #define KVM_GET_DIRTY_LOG         _IOW(KVMIO,  0x42, struct kvm_dirty_log)
1438 #define KVM_SET_NR_MMU_PAGES      _IO(KVMIO,   0x44)
1439 #define KVM_GET_NR_MMU_PAGES      _IO(KVMIO,   0x45)
1440 #define KVM_SET_USER_MEMORY_REGION _IOW(KVMIO, 0x46, \
1441 					struct kvm_userspace_memory_region)
1442 #define KVM_SET_TSS_ADDR          _IO(KVMIO,   0x47)
1443 #define KVM_SET_IDENTITY_MAP_ADDR _IOW(KVMIO,  0x48, __u64)
1444 
1445 /* enable ucontrol for s390 */
1446 struct kvm_s390_ucas_mapping {
1447 	__u64 user_addr;
1448 	__u64 vcpu_addr;
1449 	__u64 length;
1450 };
1451 #define KVM_S390_UCAS_MAP        _IOW(KVMIO, 0x50, struct kvm_s390_ucas_mapping)
1452 #define KVM_S390_UCAS_UNMAP      _IOW(KVMIO, 0x51, struct kvm_s390_ucas_mapping)
1453 #define KVM_S390_VCPU_FAULT	 _IOW(KVMIO, 0x52, unsigned long)
1454 
1455 /* Device model IOC */
1456 #define KVM_CREATE_IRQCHIP        _IO(KVMIO,   0x60)
1457 #define KVM_IRQ_LINE              _IOW(KVMIO,  0x61, struct kvm_irq_level)
1458 #define KVM_GET_IRQCHIP           _IOWR(KVMIO, 0x62, struct kvm_irqchip)
1459 #define KVM_SET_IRQCHIP           _IOR(KVMIO,  0x63, struct kvm_irqchip)
1460 #define KVM_CREATE_PIT            _IO(KVMIO,   0x64)
1461 #define KVM_GET_PIT               _IOWR(KVMIO, 0x65, struct kvm_pit_state)
1462 #define KVM_SET_PIT               _IOR(KVMIO,  0x66, struct kvm_pit_state)
1463 #define KVM_IRQ_LINE_STATUS       _IOWR(KVMIO, 0x67, struct kvm_irq_level)
1464 #define KVM_REGISTER_COALESCED_MMIO \
1465 			_IOW(KVMIO,  0x67, struct kvm_coalesced_mmio_zone)
1466 #define KVM_UNREGISTER_COALESCED_MMIO \
1467 			_IOW(KVMIO,  0x68, struct kvm_coalesced_mmio_zone)
1468 #define KVM_ASSIGN_PCI_DEVICE     _IOR(KVMIO,  0x69, \
1469 				       struct kvm_assigned_pci_dev)
1470 #define KVM_SET_GSI_ROUTING       _IOW(KVMIO,  0x6a, struct kvm_irq_routing)
1471 /* deprecated, replaced by KVM_ASSIGN_DEV_IRQ */
1472 #define KVM_ASSIGN_IRQ            __KVM_DEPRECATED_VM_R_0x70
1473 #define KVM_ASSIGN_DEV_IRQ        _IOW(KVMIO,  0x70, struct kvm_assigned_irq)
1474 #define KVM_REINJECT_CONTROL      _IO(KVMIO,   0x71)
1475 #define KVM_DEASSIGN_PCI_DEVICE   _IOW(KVMIO,  0x72, \
1476 				       struct kvm_assigned_pci_dev)
1477 #define KVM_ASSIGN_SET_MSIX_NR    _IOW(KVMIO,  0x73, \
1478 				       struct kvm_assigned_msix_nr)
1479 #define KVM_ASSIGN_SET_MSIX_ENTRY _IOW(KVMIO,  0x74, \
1480 				       struct kvm_assigned_msix_entry)
1481 #define KVM_DEASSIGN_DEV_IRQ      _IOW(KVMIO,  0x75, struct kvm_assigned_irq)
1482 #define KVM_IRQFD                 _IOW(KVMIO,  0x76, struct kvm_irqfd)
1483 #define KVM_CREATE_PIT2		  _IOW(KVMIO,  0x77, struct kvm_pit_config)
1484 #define KVM_SET_BOOT_CPU_ID       _IO(KVMIO,   0x78)
1485 #define KVM_IOEVENTFD             _IOW(KVMIO,  0x79, struct kvm_ioeventfd)
1486 #define KVM_XEN_HVM_CONFIG        _IOW(KVMIO,  0x7a, struct kvm_xen_hvm_config)
1487 #define KVM_SET_CLOCK             _IOW(KVMIO,  0x7b, struct kvm_clock_data)
1488 #define KVM_GET_CLOCK             _IOR(KVMIO,  0x7c, struct kvm_clock_data)
1489 /* Available with KVM_CAP_PIT_STATE2 */
1490 #define KVM_GET_PIT2              _IOR(KVMIO,  0x9f, struct kvm_pit_state2)
1491 #define KVM_SET_PIT2              _IOW(KVMIO,  0xa0, struct kvm_pit_state2)
1492 /* Available with KVM_CAP_PPC_GET_PVINFO */
1493 #define KVM_PPC_GET_PVINFO	  _IOW(KVMIO,  0xa1, struct kvm_ppc_pvinfo)
1494 /* Available with KVM_CAP_TSC_CONTROL for a vCPU, or with
1495 *  KVM_CAP_VM_TSC_CONTROL to set defaults for a VM */
1496 #define KVM_SET_TSC_KHZ           _IO(KVMIO,  0xa2)
1497 #define KVM_GET_TSC_KHZ           _IO(KVMIO,  0xa3)
1498 /* Available with KVM_CAP_PCI_2_3 */
1499 #define KVM_ASSIGN_SET_INTX_MASK  _IOW(KVMIO,  0xa4, \
1500 				       struct kvm_assigned_pci_dev)
1501 /* Available with KVM_CAP_SIGNAL_MSI */
1502 #define KVM_SIGNAL_MSI            _IOW(KVMIO,  0xa5, struct kvm_msi)
1503 /* Available with KVM_CAP_PPC_GET_SMMU_INFO */
1504 #define KVM_PPC_GET_SMMU_INFO	  _IOR(KVMIO,  0xa6, struct kvm_ppc_smmu_info)
1505 /* Available with KVM_CAP_PPC_ALLOC_HTAB */
1506 #define KVM_PPC_ALLOCATE_HTAB	  _IOWR(KVMIO, 0xa7, __u32)
1507 #define KVM_CREATE_SPAPR_TCE	  _IOW(KVMIO,  0xa8, struct kvm_create_spapr_tce)
1508 #define KVM_CREATE_SPAPR_TCE_64	  _IOW(KVMIO,  0xa8, \
1509 				       struct kvm_create_spapr_tce_64)
1510 /* Available with KVM_CAP_RMA */
1511 #define KVM_ALLOCATE_RMA	  _IOR(KVMIO,  0xa9, struct kvm_allocate_rma)
1512 /* Available with KVM_CAP_PPC_HTAB_FD */
1513 #define KVM_PPC_GET_HTAB_FD	  _IOW(KVMIO,  0xaa, struct kvm_get_htab_fd)
1514 /* Available with KVM_CAP_ARM_SET_DEVICE_ADDR */
1515 #define KVM_ARM_SET_DEVICE_ADDR	  _IOW(KVMIO,  0xab, struct kvm_arm_device_addr)
1516 /* Available with KVM_CAP_PPC_RTAS */
1517 #define KVM_PPC_RTAS_DEFINE_TOKEN _IOW(KVMIO,  0xac, struct kvm_rtas_token_args)
1518 /* Available with KVM_CAP_SPAPR_RESIZE_HPT */
1519 #define KVM_PPC_RESIZE_HPT_PREPARE _IOR(KVMIO, 0xad, struct kvm_ppc_resize_hpt)
1520 #define KVM_PPC_RESIZE_HPT_COMMIT  _IOR(KVMIO, 0xae, struct kvm_ppc_resize_hpt)
1521 /* Available with KVM_CAP_PPC_RADIX_MMU or KVM_CAP_PPC_HASH_MMU_V3 */
1522 #define KVM_PPC_CONFIGURE_V3_MMU  _IOW(KVMIO,  0xaf, struct kvm_ppc_mmuv3_cfg)
1523 /* Available with KVM_CAP_PPC_RADIX_MMU */
1524 #define KVM_PPC_GET_RMMU_INFO	  _IOW(KVMIO,  0xb0, struct kvm_ppc_rmmu_info)
1525 /* Available with KVM_CAP_PPC_GET_CPU_CHAR */
1526 #define KVM_PPC_GET_CPU_CHAR	  _IOR(KVMIO,  0xb1, struct kvm_ppc_cpu_char)
1527 /* Available with KVM_CAP_PMU_EVENT_FILTER */
1528 #define KVM_SET_PMU_EVENT_FILTER  _IOW(KVMIO,  0xb2, struct kvm_pmu_event_filter)
1529 #define KVM_PPC_SVM_OFF		  _IO(KVMIO,  0xb3)
1530 #define KVM_ARM_MTE_COPY_TAGS	  _IOR(KVMIO,  0xb4, struct kvm_arm_copy_mte_tags)
1531 
1532 /* ioctl for vm fd */
1533 #define KVM_CREATE_DEVICE	  _IOWR(KVMIO,  0xe0, struct kvm_create_device)
1534 
1535 /* ioctls for fds returned by KVM_CREATE_DEVICE */
1536 #define KVM_SET_DEVICE_ATTR	  _IOW(KVMIO,  0xe1, struct kvm_device_attr)
1537 #define KVM_GET_DEVICE_ATTR	  _IOW(KVMIO,  0xe2, struct kvm_device_attr)
1538 #define KVM_HAS_DEVICE_ATTR	  _IOW(KVMIO,  0xe3, struct kvm_device_attr)
1539 
1540 /*
1541  * ioctls for vcpu fds
1542  */
1543 #define KVM_RUN                   _IO(KVMIO,   0x80)
1544 #define KVM_GET_REGS              _IOR(KVMIO,  0x81, struct kvm_regs)
1545 #define KVM_SET_REGS              _IOW(KVMIO,  0x82, struct kvm_regs)
1546 #define KVM_GET_SREGS             _IOR(KVMIO,  0x83, struct kvm_sregs)
1547 #define KVM_SET_SREGS             _IOW(KVMIO,  0x84, struct kvm_sregs)
1548 #define KVM_TRANSLATE             _IOWR(KVMIO, 0x85, struct kvm_translation)
1549 #define KVM_INTERRUPT             _IOW(KVMIO,  0x86, struct kvm_interrupt)
1550 /* KVM_DEBUG_GUEST is no longer supported, use KVM_SET_GUEST_DEBUG instead */
1551 #define KVM_DEBUG_GUEST           __KVM_DEPRECATED_VCPU_W_0x87
1552 #define KVM_GET_MSRS              _IOWR(KVMIO, 0x88, struct kvm_msrs)
1553 #define KVM_SET_MSRS              _IOW(KVMIO,  0x89, struct kvm_msrs)
1554 #define KVM_SET_CPUID             _IOW(KVMIO,  0x8a, struct kvm_cpuid)
1555 #define KVM_SET_SIGNAL_MASK       _IOW(KVMIO,  0x8b, struct kvm_signal_mask)
1556 #define KVM_GET_FPU               _IOR(KVMIO,  0x8c, struct kvm_fpu)
1557 #define KVM_SET_FPU               _IOW(KVMIO,  0x8d, struct kvm_fpu)
1558 #define KVM_GET_LAPIC             _IOR(KVMIO,  0x8e, struct kvm_lapic_state)
1559 #define KVM_SET_LAPIC             _IOW(KVMIO,  0x8f, struct kvm_lapic_state)
1560 #define KVM_SET_CPUID2            _IOW(KVMIO,  0x90, struct kvm_cpuid2)
1561 #define KVM_GET_CPUID2            _IOWR(KVMIO, 0x91, struct kvm_cpuid2)
1562 /* Available with KVM_CAP_VAPIC */
1563 #define KVM_TPR_ACCESS_REPORTING  _IOWR(KVMIO, 0x92, struct kvm_tpr_access_ctl)
1564 /* Available with KVM_CAP_VAPIC */
1565 #define KVM_SET_VAPIC_ADDR        _IOW(KVMIO,  0x93, struct kvm_vapic_addr)
1566 /* valid for virtual machine (for floating interrupt)_and_ vcpu */
1567 #define KVM_S390_INTERRUPT        _IOW(KVMIO,  0x94, struct kvm_s390_interrupt)
1568 /* store status for s390 */
1569 #define KVM_S390_STORE_STATUS_NOADDR    (-1ul)
1570 #define KVM_S390_STORE_STATUS_PREFIXED  (-2ul)
1571 #define KVM_S390_STORE_STATUS	  _IOW(KVMIO,  0x95, unsigned long)
1572 /* initial ipl psw for s390 */
1573 #define KVM_S390_SET_INITIAL_PSW  _IOW(KVMIO,  0x96, struct kvm_s390_psw)
1574 /* initial reset for s390 */
1575 #define KVM_S390_INITIAL_RESET    _IO(KVMIO,   0x97)
1576 #define KVM_GET_MP_STATE          _IOR(KVMIO,  0x98, struct kvm_mp_state)
1577 #define KVM_SET_MP_STATE          _IOW(KVMIO,  0x99, struct kvm_mp_state)
1578 /* Available with KVM_CAP_USER_NMI */
1579 #define KVM_NMI                   _IO(KVMIO,   0x9a)
1580 /* Available with KVM_CAP_SET_GUEST_DEBUG */
1581 #define KVM_SET_GUEST_DEBUG       _IOW(KVMIO,  0x9b, struct kvm_guest_debug)
1582 /* MCE for x86 */
1583 #define KVM_X86_SETUP_MCE         _IOW(KVMIO,  0x9c, __u64)
1584 #define KVM_X86_GET_MCE_CAP_SUPPORTED _IOR(KVMIO,  0x9d, __u64)
1585 #define KVM_X86_SET_MCE           _IOW(KVMIO,  0x9e, struct kvm_x86_mce)
1586 /* Available with KVM_CAP_VCPU_EVENTS */
1587 #define KVM_GET_VCPU_EVENTS       _IOR(KVMIO,  0x9f, struct kvm_vcpu_events)
1588 #define KVM_SET_VCPU_EVENTS       _IOW(KVMIO,  0xa0, struct kvm_vcpu_events)
1589 /* Available with KVM_CAP_DEBUGREGS */
1590 #define KVM_GET_DEBUGREGS         _IOR(KVMIO,  0xa1, struct kvm_debugregs)
1591 #define KVM_SET_DEBUGREGS         _IOW(KVMIO,  0xa2, struct kvm_debugregs)
1592 /*
1593  * vcpu version available with KVM_ENABLE_CAP
1594  * vm version available with KVM_CAP_ENABLE_CAP_VM
1595  */
1596 #define KVM_ENABLE_CAP            _IOW(KVMIO,  0xa3, struct kvm_enable_cap)
1597 /* Available with KVM_CAP_XSAVE */
1598 #define KVM_GET_XSAVE		  _IOR(KVMIO,  0xa4, struct kvm_xsave)
1599 #define KVM_SET_XSAVE		  _IOW(KVMIO,  0xa5, struct kvm_xsave)
1600 /* Available with KVM_CAP_XCRS */
1601 #define KVM_GET_XCRS		  _IOR(KVMIO,  0xa6, struct kvm_xcrs)
1602 #define KVM_SET_XCRS		  _IOW(KVMIO,  0xa7, struct kvm_xcrs)
1603 /* Available with KVM_CAP_SW_TLB */
1604 #define KVM_DIRTY_TLB		  _IOW(KVMIO,  0xaa, struct kvm_dirty_tlb)
1605 /* Available with KVM_CAP_ONE_REG */
1606 #define KVM_GET_ONE_REG		  _IOW(KVMIO,  0xab, struct kvm_one_reg)
1607 #define KVM_SET_ONE_REG		  _IOW(KVMIO,  0xac, struct kvm_one_reg)
1608 /* VM is being stopped by host */
1609 #define KVM_KVMCLOCK_CTRL	  _IO(KVMIO,   0xad)
1610 #define KVM_ARM_VCPU_INIT	  _IOW(KVMIO,  0xae, struct kvm_vcpu_init)
1611 #define KVM_ARM_PREFERRED_TARGET  _IOR(KVMIO,  0xaf, struct kvm_vcpu_init)
1612 #define KVM_GET_REG_LIST	  _IOWR(KVMIO, 0xb0, struct kvm_reg_list)
1613 /* Available with KVM_CAP_S390_MEM_OP */
1614 #define KVM_S390_MEM_OP		  _IOW(KVMIO,  0xb1, struct kvm_s390_mem_op)
1615 /* Available with KVM_CAP_S390_SKEYS */
1616 #define KVM_S390_GET_SKEYS      _IOW(KVMIO, 0xb2, struct kvm_s390_skeys)
1617 #define KVM_S390_SET_SKEYS      _IOW(KVMIO, 0xb3, struct kvm_s390_skeys)
1618 /* Available with KVM_CAP_S390_INJECT_IRQ */
1619 #define KVM_S390_IRQ              _IOW(KVMIO,  0xb4, struct kvm_s390_irq)
1620 /* Available with KVM_CAP_S390_IRQ_STATE */
1621 #define KVM_S390_SET_IRQ_STATE	  _IOW(KVMIO, 0xb5, struct kvm_s390_irq_state)
1622 #define KVM_S390_GET_IRQ_STATE	  _IOW(KVMIO, 0xb6, struct kvm_s390_irq_state)
1623 /* Available with KVM_CAP_X86_SMM */
1624 #define KVM_SMI                   _IO(KVMIO,   0xb7)
1625 /* Available with KVM_CAP_S390_CMMA_MIGRATION */
1626 #define KVM_S390_GET_CMMA_BITS      _IOWR(KVMIO, 0xb8, struct kvm_s390_cmma_log)
1627 #define KVM_S390_SET_CMMA_BITS      _IOW(KVMIO, 0xb9, struct kvm_s390_cmma_log)
1628 /* Memory Encryption Commands */
1629 #define KVM_MEMORY_ENCRYPT_OP      _IOWR(KVMIO, 0xba, unsigned long)
1630 
1631 struct kvm_enc_region {
1632 	__u64 addr;
1633 	__u64 size;
1634 };
1635 
1636 #define KVM_MEMORY_ENCRYPT_REG_REGION    _IOR(KVMIO, 0xbb, struct kvm_enc_region)
1637 #define KVM_MEMORY_ENCRYPT_UNREG_REGION  _IOR(KVMIO, 0xbc, struct kvm_enc_region)
1638 
1639 /* Available with KVM_CAP_HYPERV_EVENTFD */
1640 #define KVM_HYPERV_EVENTFD        _IOW(KVMIO,  0xbd, struct kvm_hyperv_eventfd)
1641 
1642 /* Available with KVM_CAP_NESTED_STATE */
1643 #define KVM_GET_NESTED_STATE         _IOWR(KVMIO, 0xbe, struct kvm_nested_state)
1644 #define KVM_SET_NESTED_STATE         _IOW(KVMIO,  0xbf, struct kvm_nested_state)
1645 
1646 /* Available with KVM_CAP_MANUAL_DIRTY_LOG_PROTECT_2 */
1647 #define KVM_CLEAR_DIRTY_LOG          _IOWR(KVMIO, 0xc0, struct kvm_clear_dirty_log)
1648 
1649 /* Available with KVM_CAP_HYPERV_CPUID (vcpu) / KVM_CAP_SYS_HYPERV_CPUID (system) */
1650 #define KVM_GET_SUPPORTED_HV_CPUID _IOWR(KVMIO, 0xc1, struct kvm_cpuid2)
1651 
1652 /* Available with KVM_CAP_ARM_SVE */
1653 #define KVM_ARM_VCPU_FINALIZE	  _IOW(KVMIO,  0xc2, int)
1654 
1655 /* Available with  KVM_CAP_S390_VCPU_RESETS */
1656 #define KVM_S390_NORMAL_RESET	_IO(KVMIO,   0xc3)
1657 #define KVM_S390_CLEAR_RESET	_IO(KVMIO,   0xc4)
1658 
1659 struct kvm_s390_pv_sec_parm {
1660 	__u64 origin;
1661 	__u64 length;
1662 };
1663 
1664 struct kvm_s390_pv_unp {
1665 	__u64 addr;
1666 	__u64 size;
1667 	__u64 tweak;
1668 };
1669 
1670 enum pv_cmd_dmp_id {
1671 	KVM_PV_DUMP_INIT,
1672 	KVM_PV_DUMP_CONFIG_STOR_STATE,
1673 	KVM_PV_DUMP_COMPLETE,
1674 	KVM_PV_DUMP_CPU,
1675 };
1676 
1677 struct kvm_s390_pv_dmp {
1678 	__u64 subcmd;
1679 	__u64 buff_addr;
1680 	__u64 buff_len;
1681 	__u64 gaddr;		/* For dump storage state */
1682 	__u64 reserved[4];
1683 };
1684 
1685 enum pv_cmd_info_id {
1686 	KVM_PV_INFO_VM,
1687 	KVM_PV_INFO_DUMP,
1688 };
1689 
1690 struct kvm_s390_pv_info_dump {
1691 	__u64 dump_cpu_buffer_len;
1692 	__u64 dump_config_mem_buffer_per_1m;
1693 	__u64 dump_config_finalize_len;
1694 };
1695 
1696 struct kvm_s390_pv_info_vm {
1697 	__u64 inst_calls_list[4];
1698 	__u64 max_cpus;
1699 	__u64 max_guests;
1700 	__u64 max_guest_addr;
1701 	__u64 feature_indication;
1702 };
1703 
1704 struct kvm_s390_pv_info_header {
1705 	__u32 id;
1706 	__u32 len_max;
1707 	__u32 len_written;
1708 	__u32 reserved;
1709 };
1710 
1711 struct kvm_s390_pv_info {
1712 	struct kvm_s390_pv_info_header header;
1713 	union {
1714 		struct kvm_s390_pv_info_dump dump;
1715 		struct kvm_s390_pv_info_vm vm;
1716 	};
1717 };
1718 
1719 enum pv_cmd_id {
1720 	KVM_PV_ENABLE,
1721 	KVM_PV_DISABLE,
1722 	KVM_PV_SET_SEC_PARMS,
1723 	KVM_PV_UNPACK,
1724 	KVM_PV_VERIFY,
1725 	KVM_PV_PREP_RESET,
1726 	KVM_PV_UNSHARE_ALL,
1727 	KVM_PV_INFO,
1728 	KVM_PV_DUMP,
1729 };
1730 
1731 struct kvm_pv_cmd {
1732 	__u32 cmd;	/* Command to be executed */
1733 	__u16 rc;	/* Ultravisor return code */
1734 	__u16 rrc;	/* Ultravisor return reason code */
1735 	__u64 data;	/* Data or address */
1736 	__u32 flags;    /* flags for future extensions. Must be 0 for now */
1737 	__u32 reserved[3];
1738 };
1739 
1740 /* Available with KVM_CAP_S390_PROTECTED */
1741 #define KVM_S390_PV_COMMAND		_IOWR(KVMIO, 0xc5, struct kvm_pv_cmd)
1742 
1743 /* Available with KVM_CAP_X86_MSR_FILTER */
1744 #define KVM_X86_SET_MSR_FILTER	_IOW(KVMIO,  0xc6, struct kvm_msr_filter)
1745 
1746 /* Available with KVM_CAP_DIRTY_LOG_RING */
1747 #define KVM_RESET_DIRTY_RINGS		_IO(KVMIO, 0xc7)
1748 
1749 /* Per-VM Xen attributes */
1750 #define KVM_XEN_HVM_GET_ATTR	_IOWR(KVMIO, 0xc8, struct kvm_xen_hvm_attr)
1751 #define KVM_XEN_HVM_SET_ATTR	_IOW(KVMIO,  0xc9, struct kvm_xen_hvm_attr)
1752 
1753 struct kvm_xen_hvm_attr {
1754 	__u16 type;
1755 	__u16 pad[3];
1756 	union {
1757 		__u8 long_mode;
1758 		__u8 vector;
1759 		struct {
1760 			__u64 gfn;
1761 		} shared_info;
1762 		struct {
1763 			__u32 send_port;
1764 			__u32 type; /* EVTCHNSTAT_ipi / EVTCHNSTAT_interdomain */
1765 			__u32 flags;
1766 #define KVM_XEN_EVTCHN_DEASSIGN		(1 << 0)
1767 #define KVM_XEN_EVTCHN_UPDATE		(1 << 1)
1768 #define KVM_XEN_EVTCHN_RESET		(1 << 2)
1769 			/*
1770 			 * Events sent by the guest are either looped back to
1771 			 * the guest itself (potentially on a different port#)
1772 			 * or signalled via an eventfd.
1773 			 */
1774 			union {
1775 				struct {
1776 					__u32 port;
1777 					__u32 vcpu;
1778 					__u32 priority;
1779 				} port;
1780 				struct {
1781 					__u32 port; /* Zero for eventfd */
1782 					__s32 fd;
1783 				} eventfd;
1784 				__u32 padding[4];
1785 			} deliver;
1786 		} evtchn;
1787 		__u32 xen_version;
1788 		__u64 pad[8];
1789 	} u;
1790 };
1791 
1792 /* Available with KVM_CAP_XEN_HVM / KVM_XEN_HVM_CONFIG_SHARED_INFO */
1793 #define KVM_XEN_ATTR_TYPE_LONG_MODE		0x0
1794 #define KVM_XEN_ATTR_TYPE_SHARED_INFO		0x1
1795 #define KVM_XEN_ATTR_TYPE_UPCALL_VECTOR		0x2
1796 /* Available with KVM_CAP_XEN_HVM / KVM_XEN_HVM_CONFIG_EVTCHN_SEND */
1797 #define KVM_XEN_ATTR_TYPE_EVTCHN		0x3
1798 #define KVM_XEN_ATTR_TYPE_XEN_VERSION		0x4
1799 
1800 /* Per-vCPU Xen attributes */
1801 #define KVM_XEN_VCPU_GET_ATTR	_IOWR(KVMIO, 0xca, struct kvm_xen_vcpu_attr)
1802 #define KVM_XEN_VCPU_SET_ATTR	_IOW(KVMIO,  0xcb, struct kvm_xen_vcpu_attr)
1803 
1804 /* Available with KVM_CAP_XEN_HVM / KVM_XEN_HVM_CONFIG_EVTCHN_SEND */
1805 #define KVM_XEN_HVM_EVTCHN_SEND	_IOW(KVMIO,  0xd0, struct kvm_irq_routing_xen_evtchn)
1806 
1807 #define KVM_GET_SREGS2             _IOR(KVMIO,  0xcc, struct kvm_sregs2)
1808 #define KVM_SET_SREGS2             _IOW(KVMIO,  0xcd, struct kvm_sregs2)
1809 
1810 struct kvm_xen_vcpu_attr {
1811 	__u16 type;
1812 	__u16 pad[3];
1813 	union {
1814 		__u64 gpa;
1815 		__u64 pad[8];
1816 		struct {
1817 			__u64 state;
1818 			__u64 state_entry_time;
1819 			__u64 time_running;
1820 			__u64 time_runnable;
1821 			__u64 time_blocked;
1822 			__u64 time_offline;
1823 		} runstate;
1824 		__u32 vcpu_id;
1825 		struct {
1826 			__u32 port;
1827 			__u32 priority;
1828 			__u64 expires_ns;
1829 		} timer;
1830 		__u8 vector;
1831 	} u;
1832 };
1833 
1834 /* Available with KVM_CAP_XEN_HVM / KVM_XEN_HVM_CONFIG_SHARED_INFO */
1835 #define KVM_XEN_VCPU_ATTR_TYPE_VCPU_INFO	0x0
1836 #define KVM_XEN_VCPU_ATTR_TYPE_VCPU_TIME_INFO	0x1
1837 #define KVM_XEN_VCPU_ATTR_TYPE_RUNSTATE_ADDR	0x2
1838 #define KVM_XEN_VCPU_ATTR_TYPE_RUNSTATE_CURRENT	0x3
1839 #define KVM_XEN_VCPU_ATTR_TYPE_RUNSTATE_DATA	0x4
1840 #define KVM_XEN_VCPU_ATTR_TYPE_RUNSTATE_ADJUST	0x5
1841 /* Available with KVM_CAP_XEN_HVM / KVM_XEN_HVM_CONFIG_EVTCHN_SEND */
1842 #define KVM_XEN_VCPU_ATTR_TYPE_VCPU_ID		0x6
1843 #define KVM_XEN_VCPU_ATTR_TYPE_TIMER		0x7
1844 #define KVM_XEN_VCPU_ATTR_TYPE_UPCALL_VECTOR	0x8
1845 
1846 /* Secure Encrypted Virtualization command */
1847 enum sev_cmd_id {
1848 	/* Guest initialization commands */
1849 	KVM_SEV_INIT = 0,
1850 	KVM_SEV_ES_INIT,
1851 	/* Guest launch commands */
1852 	KVM_SEV_LAUNCH_START,
1853 	KVM_SEV_LAUNCH_UPDATE_DATA,
1854 	KVM_SEV_LAUNCH_UPDATE_VMSA,
1855 	KVM_SEV_LAUNCH_SECRET,
1856 	KVM_SEV_LAUNCH_MEASURE,
1857 	KVM_SEV_LAUNCH_FINISH,
1858 	/* Guest migration commands (outgoing) */
1859 	KVM_SEV_SEND_START,
1860 	KVM_SEV_SEND_UPDATE_DATA,
1861 	KVM_SEV_SEND_UPDATE_VMSA,
1862 	KVM_SEV_SEND_FINISH,
1863 	/* Guest migration commands (incoming) */
1864 	KVM_SEV_RECEIVE_START,
1865 	KVM_SEV_RECEIVE_UPDATE_DATA,
1866 	KVM_SEV_RECEIVE_UPDATE_VMSA,
1867 	KVM_SEV_RECEIVE_FINISH,
1868 	/* Guest status and debug commands */
1869 	KVM_SEV_GUEST_STATUS,
1870 	KVM_SEV_DBG_DECRYPT,
1871 	KVM_SEV_DBG_ENCRYPT,
1872 	/* Guest certificates commands */
1873 	KVM_SEV_CERT_EXPORT,
1874 	/* Attestation report */
1875 	KVM_SEV_GET_ATTESTATION_REPORT,
1876 	/* Guest Migration Extension */
1877 	KVM_SEV_SEND_CANCEL,
1878 
1879 	KVM_SEV_NR_MAX,
1880 };
1881 
1882 struct kvm_sev_cmd {
1883 	__u32 id;
1884 	__u64 data;
1885 	__u32 error;
1886 	__u32 sev_fd;
1887 };
1888 
1889 struct kvm_sev_launch_start {
1890 	__u32 handle;
1891 	__u32 policy;
1892 	__u64 dh_uaddr;
1893 	__u32 dh_len;
1894 	__u64 session_uaddr;
1895 	__u32 session_len;
1896 };
1897 
1898 struct kvm_sev_launch_update_data {
1899 	__u64 uaddr;
1900 	__u32 len;
1901 };
1902 
1903 
1904 struct kvm_sev_launch_secret {
1905 	__u64 hdr_uaddr;
1906 	__u32 hdr_len;
1907 	__u64 guest_uaddr;
1908 	__u32 guest_len;
1909 	__u64 trans_uaddr;
1910 	__u32 trans_len;
1911 };
1912 
1913 struct kvm_sev_launch_measure {
1914 	__u64 uaddr;
1915 	__u32 len;
1916 };
1917 
1918 struct kvm_sev_guest_status {
1919 	__u32 handle;
1920 	__u32 policy;
1921 	__u32 state;
1922 };
1923 
1924 struct kvm_sev_dbg {
1925 	__u64 src_uaddr;
1926 	__u64 dst_uaddr;
1927 	__u32 len;
1928 };
1929 
1930 struct kvm_sev_attestation_report {
1931 	__u8 mnonce[16];
1932 	__u64 uaddr;
1933 	__u32 len;
1934 };
1935 
1936 struct kvm_sev_send_start {
1937 	__u32 policy;
1938 	__u64 pdh_cert_uaddr;
1939 	__u32 pdh_cert_len;
1940 	__u64 plat_certs_uaddr;
1941 	__u32 plat_certs_len;
1942 	__u64 amd_certs_uaddr;
1943 	__u32 amd_certs_len;
1944 	__u64 session_uaddr;
1945 	__u32 session_len;
1946 };
1947 
1948 struct kvm_sev_send_update_data {
1949 	__u64 hdr_uaddr;
1950 	__u32 hdr_len;
1951 	__u64 guest_uaddr;
1952 	__u32 guest_len;
1953 	__u64 trans_uaddr;
1954 	__u32 trans_len;
1955 };
1956 
1957 struct kvm_sev_receive_start {
1958 	__u32 handle;
1959 	__u32 policy;
1960 	__u64 pdh_uaddr;
1961 	__u32 pdh_len;
1962 	__u64 session_uaddr;
1963 	__u32 session_len;
1964 };
1965 
1966 struct kvm_sev_receive_update_data {
1967 	__u64 hdr_uaddr;
1968 	__u32 hdr_len;
1969 	__u64 guest_uaddr;
1970 	__u32 guest_len;
1971 	__u64 trans_uaddr;
1972 	__u32 trans_len;
1973 };
1974 
1975 #define KVM_DEV_ASSIGN_ENABLE_IOMMU	(1 << 0)
1976 #define KVM_DEV_ASSIGN_PCI_2_3		(1 << 1)
1977 #define KVM_DEV_ASSIGN_MASK_INTX	(1 << 2)
1978 
1979 struct kvm_assigned_pci_dev {
1980 	__u32 assigned_dev_id;
1981 	__u32 busnr;
1982 	__u32 devfn;
1983 	__u32 flags;
1984 	__u32 segnr;
1985 	union {
1986 		__u32 reserved[11];
1987 	};
1988 };
1989 
1990 #define KVM_DEV_IRQ_HOST_INTX    (1 << 0)
1991 #define KVM_DEV_IRQ_HOST_MSI     (1 << 1)
1992 #define KVM_DEV_IRQ_HOST_MSIX    (1 << 2)
1993 
1994 #define KVM_DEV_IRQ_GUEST_INTX   (1 << 8)
1995 #define KVM_DEV_IRQ_GUEST_MSI    (1 << 9)
1996 #define KVM_DEV_IRQ_GUEST_MSIX   (1 << 10)
1997 
1998 #define KVM_DEV_IRQ_HOST_MASK	 0x00ff
1999 #define KVM_DEV_IRQ_GUEST_MASK   0xff00
2000 
2001 struct kvm_assigned_irq {
2002 	__u32 assigned_dev_id;
2003 	__u32 host_irq; /* ignored (legacy field) */
2004 	__u32 guest_irq;
2005 	__u32 flags;
2006 	union {
2007 		__u32 reserved[12];
2008 	};
2009 };
2010 
2011 struct kvm_assigned_msix_nr {
2012 	__u32 assigned_dev_id;
2013 	__u16 entry_nr;
2014 	__u16 padding;
2015 };
2016 
2017 #define KVM_MAX_MSIX_PER_DEV		256
2018 struct kvm_assigned_msix_entry {
2019 	__u32 assigned_dev_id;
2020 	__u32 gsi;
2021 	__u16 entry; /* The index of entry in the MSI-X table */
2022 	__u16 padding[3];
2023 };
2024 
2025 #define KVM_X2APIC_API_USE_32BIT_IDS            (1ULL << 0)
2026 #define KVM_X2APIC_API_DISABLE_BROADCAST_QUIRK  (1ULL << 1)
2027 
2028 /* Available with KVM_CAP_ARM_USER_IRQ */
2029 
2030 /* Bits for run->s.regs.device_irq_level */
2031 #define KVM_ARM_DEV_EL1_VTIMER		(1 << 0)
2032 #define KVM_ARM_DEV_EL1_PTIMER		(1 << 1)
2033 #define KVM_ARM_DEV_PMU			(1 << 2)
2034 
2035 struct kvm_hyperv_eventfd {
2036 	__u32 conn_id;
2037 	__s32 fd;
2038 	__u32 flags;
2039 	__u32 padding[3];
2040 };
2041 
2042 #define KVM_HYPERV_CONN_ID_MASK		0x00ffffff
2043 #define KVM_HYPERV_EVENTFD_DEASSIGN	(1 << 0)
2044 
2045 #define KVM_DIRTY_LOG_MANUAL_PROTECT_ENABLE    (1 << 0)
2046 #define KVM_DIRTY_LOG_INITIALLY_SET            (1 << 1)
2047 
2048 /*
2049  * Arch needs to define the macro after implementing the dirty ring
2050  * feature.  KVM_DIRTY_LOG_PAGE_OFFSET should be defined as the
2051  * starting page offset of the dirty ring structures.
2052  */
2053 #ifndef KVM_DIRTY_LOG_PAGE_OFFSET
2054 #define KVM_DIRTY_LOG_PAGE_OFFSET 0
2055 #endif
2056 
2057 /*
2058  * KVM dirty GFN flags, defined as:
2059  *
2060  * |---------------+---------------+--------------|
2061  * | bit 1 (reset) | bit 0 (dirty) | Status       |
2062  * |---------------+---------------+--------------|
2063  * |             0 |             0 | Invalid GFN  |
2064  * |             0 |             1 | Dirty GFN    |
2065  * |             1 |             X | GFN to reset |
2066  * |---------------+---------------+--------------|
2067  *
2068  * Lifecycle of a dirty GFN goes like:
2069  *
2070  *      dirtied         harvested        reset
2071  * 00 -----------> 01 -------------> 1X -------+
2072  *  ^                                          |
2073  *  |                                          |
2074  *  +------------------------------------------+
2075  *
2076  * The userspace program is only responsible for the 01->1X state
2077  * conversion after harvesting an entry.  Also, it must not skip any
2078  * dirty bits, so that dirty bits are always harvested in sequence.
2079  */
2080 #define KVM_DIRTY_GFN_F_DIRTY           _BITUL(0)
2081 #define KVM_DIRTY_GFN_F_RESET           _BITUL(1)
2082 #define KVM_DIRTY_GFN_F_MASK            0x3
2083 
2084 /*
2085  * KVM dirty rings should be mapped at KVM_DIRTY_LOG_PAGE_OFFSET of
2086  * per-vcpu mmaped regions as an array of struct kvm_dirty_gfn.  The
2087  * size of the gfn buffer is decided by the first argument when
2088  * enabling KVM_CAP_DIRTY_LOG_RING.
2089  */
2090 struct kvm_dirty_gfn {
2091 	__u32 flags;
2092 	__u32 slot;
2093 	__u64 offset;
2094 };
2095 
2096 #define KVM_BUS_LOCK_DETECTION_OFF             (1 << 0)
2097 #define KVM_BUS_LOCK_DETECTION_EXIT            (1 << 1)
2098 
2099 #define KVM_PMU_CAP_DISABLE                    (1 << 0)
2100 
2101 /**
2102  * struct kvm_stats_header - Header of per vm/vcpu binary statistics data.
2103  * @flags: Some extra information for header, always 0 for now.
2104  * @name_size: The size in bytes of the memory which contains statistics
2105  *             name string including trailing '\0'. The memory is allocated
2106  *             at the send of statistics descriptor.
2107  * @num_desc: The number of statistics the vm or vcpu has.
2108  * @id_offset: The offset of the vm/vcpu stats' id string in the file pointed
2109  *             by vm/vcpu stats fd.
2110  * @desc_offset: The offset of the vm/vcpu stats' descriptor block in the file
2111  *               pointd by vm/vcpu stats fd.
2112  * @data_offset: The offset of the vm/vcpu stats' data block in the file
2113  *               pointed by vm/vcpu stats fd.
2114  *
2115  * This is the header userspace needs to read from stats fd before any other
2116  * readings. It is used by userspace to discover all the information about the
2117  * vm/vcpu's binary statistics.
2118  * Userspace reads this header from the start of the vm/vcpu's stats fd.
2119  */
2120 struct kvm_stats_header {
2121 	__u32 flags;
2122 	__u32 name_size;
2123 	__u32 num_desc;
2124 	__u32 id_offset;
2125 	__u32 desc_offset;
2126 	__u32 data_offset;
2127 };
2128 
2129 #define KVM_STATS_TYPE_SHIFT		0
2130 #define KVM_STATS_TYPE_MASK		(0xF << KVM_STATS_TYPE_SHIFT)
2131 #define KVM_STATS_TYPE_CUMULATIVE	(0x0 << KVM_STATS_TYPE_SHIFT)
2132 #define KVM_STATS_TYPE_INSTANT		(0x1 << KVM_STATS_TYPE_SHIFT)
2133 #define KVM_STATS_TYPE_PEAK		(0x2 << KVM_STATS_TYPE_SHIFT)
2134 #define KVM_STATS_TYPE_LINEAR_HIST	(0x3 << KVM_STATS_TYPE_SHIFT)
2135 #define KVM_STATS_TYPE_LOG_HIST		(0x4 << KVM_STATS_TYPE_SHIFT)
2136 #define KVM_STATS_TYPE_MAX		KVM_STATS_TYPE_LOG_HIST
2137 
2138 #define KVM_STATS_UNIT_SHIFT		4
2139 #define KVM_STATS_UNIT_MASK		(0xF << KVM_STATS_UNIT_SHIFT)
2140 #define KVM_STATS_UNIT_NONE		(0x0 << KVM_STATS_UNIT_SHIFT)
2141 #define KVM_STATS_UNIT_BYTES		(0x1 << KVM_STATS_UNIT_SHIFT)
2142 #define KVM_STATS_UNIT_SECONDS		(0x2 << KVM_STATS_UNIT_SHIFT)
2143 #define KVM_STATS_UNIT_CYCLES		(0x3 << KVM_STATS_UNIT_SHIFT)
2144 #define KVM_STATS_UNIT_BOOLEAN		(0x4 << KVM_STATS_UNIT_SHIFT)
2145 #define KVM_STATS_UNIT_MAX		KVM_STATS_UNIT_BOOLEAN
2146 
2147 #define KVM_STATS_BASE_SHIFT		8
2148 #define KVM_STATS_BASE_MASK		(0xF << KVM_STATS_BASE_SHIFT)
2149 #define KVM_STATS_BASE_POW10		(0x0 << KVM_STATS_BASE_SHIFT)
2150 #define KVM_STATS_BASE_POW2		(0x1 << KVM_STATS_BASE_SHIFT)
2151 #define KVM_STATS_BASE_MAX		KVM_STATS_BASE_POW2
2152 
2153 /**
2154  * struct kvm_stats_desc - Descriptor of a KVM statistics.
2155  * @flags: Annotations of the stats, like type, unit, etc.
2156  * @exponent: Used together with @flags to determine the unit.
2157  * @size: The number of data items for this stats.
2158  *        Every data item is of type __u64.
2159  * @offset: The offset of the stats to the start of stat structure in
2160  *          structure kvm or kvm_vcpu.
2161  * @bucket_size: A parameter value used for histogram stats. It is only used
2162  *		for linear histogram stats, specifying the size of the bucket;
2163  * @name: The name string for the stats. Its size is indicated by the
2164  *        &kvm_stats_header->name_size.
2165  */
2166 struct kvm_stats_desc {
2167 	__u32 flags;
2168 	__s16 exponent;
2169 	__u16 size;
2170 	__u32 offset;
2171 	__u32 bucket_size;
2172 	char name[];
2173 };
2174 
2175 #define KVM_GET_STATS_FD  _IO(KVMIO,  0xce)
2176 
2177 /* Available with KVM_CAP_XSAVE2 */
2178 #define KVM_GET_XSAVE2		  _IOR(KVMIO,  0xcf, struct kvm_xsave)
2179 
2180 /* Available with KVM_CAP_S390_PROTECTED_DUMP */
2181 #define KVM_S390_PV_CPU_COMMAND	_IOWR(KVMIO, 0xd0, struct kvm_pv_cmd)
2182 
2183 /* Available with KVM_CAP_X86_NOTIFY_VMEXIT */
2184 #define KVM_X86_NOTIFY_VMEXIT_ENABLED		(1ULL << 0)
2185 #define KVM_X86_NOTIFY_VMEXIT_USER		(1ULL << 1)
2186 
2187 /* Available with KVM_CAP_S390_ZPCI_OP */
2188 #define KVM_S390_ZPCI_OP         _IOW(KVMIO,  0xd1, struct kvm_s390_zpci_op)
2189 
2190 struct kvm_s390_zpci_op {
2191 	/* in */
2192 	__u32 fh;               /* target device */
2193 	__u8  op;               /* operation to perform */
2194 	__u8  pad[3];
2195 	union {
2196 		/* for KVM_S390_ZPCIOP_REG_AEN */
2197 		struct {
2198 			__u64 ibv;      /* Guest addr of interrupt bit vector */
2199 			__u64 sb;       /* Guest addr of summary bit */
2200 			__u32 flags;
2201 			__u32 noi;      /* Number of interrupts */
2202 			__u8 isc;       /* Guest interrupt subclass */
2203 			__u8 sbo;       /* Offset of guest summary bit vector */
2204 			__u16 pad;
2205 		} reg_aen;
2206 		__u64 reserved[8];
2207 	} u;
2208 };
2209 
2210 /* types for kvm_s390_zpci_op->op */
2211 #define KVM_S390_ZPCIOP_REG_AEN                0
2212 #define KVM_S390_ZPCIOP_DEREG_AEN      1
2213 
2214 /* flags for kvm_s390_zpci_op->u.reg_aen.flags */
2215 #define KVM_S390_ZPCIOP_REGAEN_HOST    (1 << 0)
2216 
2217 #endif /* __LINUX_KVM_H */
2218