xref: /openbmc/qemu/linux-headers/linux/kvm.h (revision e4fdf9df)
1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
2 #ifndef __LINUX_KVM_H
3 #define __LINUX_KVM_H
4 
5 /*
6  * Userspace interface for /dev/kvm - kernel based virtual machine
7  *
8  * Note: you must update KVM_API_VERSION if you change this interface.
9  */
10 
11 #include <linux/const.h>
12 #include <linux/types.h>
13 
14 #include <linux/ioctl.h>
15 #include <asm/kvm.h>
16 
17 #define KVM_API_VERSION 12
18 
19 /* *** Deprecated interfaces *** */
20 
21 #define KVM_TRC_SHIFT           16
22 
23 #define KVM_TRC_ENTRYEXIT       (1 << KVM_TRC_SHIFT)
24 #define KVM_TRC_HANDLER         (1 << (KVM_TRC_SHIFT + 1))
25 
26 #define KVM_TRC_VMENTRY         (KVM_TRC_ENTRYEXIT + 0x01)
27 #define KVM_TRC_VMEXIT          (KVM_TRC_ENTRYEXIT + 0x02)
28 #define KVM_TRC_PAGE_FAULT      (KVM_TRC_HANDLER + 0x01)
29 
30 #define KVM_TRC_HEAD_SIZE       12
31 #define KVM_TRC_CYCLE_SIZE      8
32 #define KVM_TRC_EXTRA_MAX       7
33 
34 #define KVM_TRC_INJ_VIRQ         (KVM_TRC_HANDLER + 0x02)
35 #define KVM_TRC_REDELIVER_EVT    (KVM_TRC_HANDLER + 0x03)
36 #define KVM_TRC_PEND_INTR        (KVM_TRC_HANDLER + 0x04)
37 #define KVM_TRC_IO_READ          (KVM_TRC_HANDLER + 0x05)
38 #define KVM_TRC_IO_WRITE         (KVM_TRC_HANDLER + 0x06)
39 #define KVM_TRC_CR_READ          (KVM_TRC_HANDLER + 0x07)
40 #define KVM_TRC_CR_WRITE         (KVM_TRC_HANDLER + 0x08)
41 #define KVM_TRC_DR_READ          (KVM_TRC_HANDLER + 0x09)
42 #define KVM_TRC_DR_WRITE         (KVM_TRC_HANDLER + 0x0A)
43 #define KVM_TRC_MSR_READ         (KVM_TRC_HANDLER + 0x0B)
44 #define KVM_TRC_MSR_WRITE        (KVM_TRC_HANDLER + 0x0C)
45 #define KVM_TRC_CPUID            (KVM_TRC_HANDLER + 0x0D)
46 #define KVM_TRC_INTR             (KVM_TRC_HANDLER + 0x0E)
47 #define KVM_TRC_NMI              (KVM_TRC_HANDLER + 0x0F)
48 #define KVM_TRC_VMMCALL          (KVM_TRC_HANDLER + 0x10)
49 #define KVM_TRC_HLT              (KVM_TRC_HANDLER + 0x11)
50 #define KVM_TRC_CLTS             (KVM_TRC_HANDLER + 0x12)
51 #define KVM_TRC_LMSW             (KVM_TRC_HANDLER + 0x13)
52 #define KVM_TRC_APIC_ACCESS      (KVM_TRC_HANDLER + 0x14)
53 #define KVM_TRC_TDP_FAULT        (KVM_TRC_HANDLER + 0x15)
54 #define KVM_TRC_GTLB_WRITE       (KVM_TRC_HANDLER + 0x16)
55 #define KVM_TRC_STLB_WRITE       (KVM_TRC_HANDLER + 0x17)
56 #define KVM_TRC_STLB_INVAL       (KVM_TRC_HANDLER + 0x18)
57 #define KVM_TRC_PPC_INSTR        (KVM_TRC_HANDLER + 0x19)
58 
59 struct kvm_user_trace_setup {
60 	__u32 buf_size;
61 	__u32 buf_nr;
62 };
63 
64 #define __KVM_DEPRECATED_MAIN_W_0x06 \
65 	_IOW(KVMIO, 0x06, struct kvm_user_trace_setup)
66 #define __KVM_DEPRECATED_MAIN_0x07 _IO(KVMIO, 0x07)
67 #define __KVM_DEPRECATED_MAIN_0x08 _IO(KVMIO, 0x08)
68 
69 #define __KVM_DEPRECATED_VM_R_0x70 _IOR(KVMIO, 0x70, struct kvm_assigned_irq)
70 
71 struct kvm_breakpoint {
72 	__u32 enabled;
73 	__u32 padding;
74 	__u64 address;
75 };
76 
77 struct kvm_debug_guest {
78 	__u32 enabled;
79 	__u32 pad;
80 	struct kvm_breakpoint breakpoints[4];
81 	__u32 singlestep;
82 };
83 
84 #define __KVM_DEPRECATED_VCPU_W_0x87 _IOW(KVMIO, 0x87, struct kvm_debug_guest)
85 
86 /* *** End of deprecated interfaces *** */
87 
88 
89 /* for KVM_CREATE_MEMORY_REGION */
90 struct kvm_memory_region {
91 	__u32 slot;
92 	__u32 flags;
93 	__u64 guest_phys_addr;
94 	__u64 memory_size; /* bytes */
95 };
96 
97 /* for KVM_SET_USER_MEMORY_REGION */
98 struct kvm_userspace_memory_region {
99 	__u32 slot;
100 	__u32 flags;
101 	__u64 guest_phys_addr;
102 	__u64 memory_size; /* bytes */
103 	__u64 userspace_addr; /* start of the userspace allocated memory */
104 };
105 
106 /*
107  * The bit 0 ~ bit 15 of kvm_memory_region::flags are visible for userspace,
108  * other bits are reserved for kvm internal use which are defined in
109  * include/linux/kvm_host.h.
110  */
111 #define KVM_MEM_LOG_DIRTY_PAGES	(1UL << 0)
112 #define KVM_MEM_READONLY	(1UL << 1)
113 
114 /* for KVM_IRQ_LINE */
115 struct kvm_irq_level {
116 	/*
117 	 * ACPI gsi notion of irq.
118 	 * For IA-64 (APIC model) IOAPIC0: irq 0-23; IOAPIC1: irq 24-47..
119 	 * For X86 (standard AT mode) PIC0/1: irq 0-15. IOAPIC0: 0-23..
120 	 * For ARM: See Documentation/virt/kvm/api.rst
121 	 */
122 	union {
123 		__u32 irq;
124 		__s32 status;
125 	};
126 	__u32 level;
127 };
128 
129 
130 struct kvm_irqchip {
131 	__u32 chip_id;
132 	__u32 pad;
133         union {
134 		char dummy[512];  /* reserving space */
135 #ifdef __KVM_HAVE_PIT
136 		struct kvm_pic_state pic;
137 #endif
138 #ifdef __KVM_HAVE_IOAPIC
139 		struct kvm_ioapic_state ioapic;
140 #endif
141 	} chip;
142 };
143 
144 /* for KVM_CREATE_PIT2 */
145 struct kvm_pit_config {
146 	__u32 flags;
147 	__u32 pad[15];
148 };
149 
150 #define KVM_PIT_SPEAKER_DUMMY     1
151 
152 struct kvm_s390_skeys {
153 	__u64 start_gfn;
154 	__u64 count;
155 	__u64 skeydata_addr;
156 	__u32 flags;
157 	__u32 reserved[9];
158 };
159 
160 #define KVM_S390_CMMA_PEEK (1 << 0)
161 
162 /**
163  * kvm_s390_cmma_log - Used for CMMA migration.
164  *
165  * Used both for input and output.
166  *
167  * @start_gfn: Guest page number to start from.
168  * @count: Size of the result buffer.
169  * @flags: Control operation mode via KVM_S390_CMMA_* flags
170  * @remaining: Used with KVM_S390_GET_CMMA_BITS. Indicates how many dirty
171  *             pages are still remaining.
172  * @mask: Used with KVM_S390_SET_CMMA_BITS. Bitmap of bits to actually set
173  *        in the PGSTE.
174  * @values: Pointer to the values buffer.
175  *
176  * Used in KVM_S390_{G,S}ET_CMMA_BITS ioctls.
177  */
178 struct kvm_s390_cmma_log {
179 	__u64 start_gfn;
180 	__u32 count;
181 	__u32 flags;
182 	union {
183 		__u64 remaining;
184 		__u64 mask;
185 	};
186 	__u64 values;
187 };
188 
189 struct kvm_hyperv_exit {
190 #define KVM_EXIT_HYPERV_SYNIC          1
191 #define KVM_EXIT_HYPERV_HCALL          2
192 #define KVM_EXIT_HYPERV_SYNDBG         3
193 	__u32 type;
194 	__u32 pad1;
195 	union {
196 		struct {
197 			__u32 msr;
198 			__u32 pad2;
199 			__u64 control;
200 			__u64 evt_page;
201 			__u64 msg_page;
202 		} synic;
203 		struct {
204 			__u64 input;
205 			__u64 result;
206 			__u64 params[2];
207 		} hcall;
208 		struct {
209 			__u32 msr;
210 			__u32 pad2;
211 			__u64 control;
212 			__u64 status;
213 			__u64 send_page;
214 			__u64 recv_page;
215 			__u64 pending_page;
216 		} syndbg;
217 	} u;
218 };
219 
220 struct kvm_xen_exit {
221 #define KVM_EXIT_XEN_HCALL          1
222 	__u32 type;
223 	union {
224 		struct {
225 			__u32 longmode;
226 			__u32 cpl;
227 			__u64 input;
228 			__u64 result;
229 			__u64 params[6];
230 		} hcall;
231 	} u;
232 };
233 
234 #define KVM_S390_GET_SKEYS_NONE   1
235 #define KVM_S390_SKEYS_MAX        1048576
236 
237 #define KVM_EXIT_UNKNOWN          0
238 #define KVM_EXIT_EXCEPTION        1
239 #define KVM_EXIT_IO               2
240 #define KVM_EXIT_HYPERCALL        3
241 #define KVM_EXIT_DEBUG            4
242 #define KVM_EXIT_HLT              5
243 #define KVM_EXIT_MMIO             6
244 #define KVM_EXIT_IRQ_WINDOW_OPEN  7
245 #define KVM_EXIT_SHUTDOWN         8
246 #define KVM_EXIT_FAIL_ENTRY       9
247 #define KVM_EXIT_INTR             10
248 #define KVM_EXIT_SET_TPR          11
249 #define KVM_EXIT_TPR_ACCESS       12
250 #define KVM_EXIT_S390_SIEIC       13
251 #define KVM_EXIT_S390_RESET       14
252 #define KVM_EXIT_DCR              15 /* deprecated */
253 #define KVM_EXIT_NMI              16
254 #define KVM_EXIT_INTERNAL_ERROR   17
255 #define KVM_EXIT_OSI              18
256 #define KVM_EXIT_PAPR_HCALL	  19
257 #define KVM_EXIT_S390_UCONTROL	  20
258 #define KVM_EXIT_WATCHDOG         21
259 #define KVM_EXIT_S390_TSCH        22
260 #define KVM_EXIT_EPR              23
261 #define KVM_EXIT_SYSTEM_EVENT     24
262 #define KVM_EXIT_S390_STSI        25
263 #define KVM_EXIT_IOAPIC_EOI       26
264 #define KVM_EXIT_HYPERV           27
265 #define KVM_EXIT_ARM_NISV         28
266 #define KVM_EXIT_X86_RDMSR        29
267 #define KVM_EXIT_X86_WRMSR        30
268 #define KVM_EXIT_DIRTY_RING_FULL  31
269 #define KVM_EXIT_AP_RESET_HOLD    32
270 #define KVM_EXIT_X86_BUS_LOCK     33
271 #define KVM_EXIT_XEN              34
272 #define KVM_EXIT_RISCV_SBI        35
273 #define KVM_EXIT_RISCV_CSR        36
274 #define KVM_EXIT_NOTIFY           37
275 
276 /* For KVM_EXIT_INTERNAL_ERROR */
277 /* Emulate instruction failed. */
278 #define KVM_INTERNAL_ERROR_EMULATION	1
279 /* Encounter unexpected simultaneous exceptions. */
280 #define KVM_INTERNAL_ERROR_SIMUL_EX	2
281 /* Encounter unexpected vm-exit due to delivery event. */
282 #define KVM_INTERNAL_ERROR_DELIVERY_EV	3
283 /* Encounter unexpected vm-exit reason */
284 #define KVM_INTERNAL_ERROR_UNEXPECTED_EXIT_REASON	4
285 
286 /* Flags that describe what fields in emulation_failure hold valid data. */
287 #define KVM_INTERNAL_ERROR_EMULATION_FLAG_INSTRUCTION_BYTES (1ULL << 0)
288 
289 /* for KVM_RUN, returned by mmap(vcpu_fd, offset=0) */
290 struct kvm_run {
291 	/* in */
292 	__u8 request_interrupt_window;
293 	__u8 immediate_exit;
294 	__u8 padding1[6];
295 
296 	/* out */
297 	__u32 exit_reason;
298 	__u8 ready_for_interrupt_injection;
299 	__u8 if_flag;
300 	__u16 flags;
301 
302 	/* in (pre_kvm_run), out (post_kvm_run) */
303 	__u64 cr8;
304 	__u64 apic_base;
305 
306 #ifdef __KVM_S390
307 	/* the processor status word for s390 */
308 	__u64 psw_mask; /* psw upper half */
309 	__u64 psw_addr; /* psw lower half */
310 #endif
311 	union {
312 		/* KVM_EXIT_UNKNOWN */
313 		struct {
314 			__u64 hardware_exit_reason;
315 		} hw;
316 		/* KVM_EXIT_FAIL_ENTRY */
317 		struct {
318 			__u64 hardware_entry_failure_reason;
319 			__u32 cpu;
320 		} fail_entry;
321 		/* KVM_EXIT_EXCEPTION */
322 		struct {
323 			__u32 exception;
324 			__u32 error_code;
325 		} ex;
326 		/* KVM_EXIT_IO */
327 		struct {
328 #define KVM_EXIT_IO_IN  0
329 #define KVM_EXIT_IO_OUT 1
330 			__u8 direction;
331 			__u8 size; /* bytes */
332 			__u16 port;
333 			__u32 count;
334 			__u64 data_offset; /* relative to kvm_run start */
335 		} io;
336 		/* KVM_EXIT_DEBUG */
337 		struct {
338 			struct kvm_debug_exit_arch arch;
339 		} debug;
340 		/* KVM_EXIT_MMIO */
341 		struct {
342 			__u64 phys_addr;
343 			__u8  data[8];
344 			__u32 len;
345 			__u8  is_write;
346 		} mmio;
347 		/* KVM_EXIT_HYPERCALL */
348 		struct {
349 			__u64 nr;
350 			__u64 args[6];
351 			__u64 ret;
352 			__u32 longmode;
353 			__u32 pad;
354 		} hypercall;
355 		/* KVM_EXIT_TPR_ACCESS */
356 		struct {
357 			__u64 rip;
358 			__u32 is_write;
359 			__u32 pad;
360 		} tpr_access;
361 		/* KVM_EXIT_S390_SIEIC */
362 		struct {
363 			__u8 icptcode;
364 			__u16 ipa;
365 			__u32 ipb;
366 		} s390_sieic;
367 		/* KVM_EXIT_S390_RESET */
368 #define KVM_S390_RESET_POR       1
369 #define KVM_S390_RESET_CLEAR     2
370 #define KVM_S390_RESET_SUBSYSTEM 4
371 #define KVM_S390_RESET_CPU_INIT  8
372 #define KVM_S390_RESET_IPL       16
373 		__u64 s390_reset_flags;
374 		/* KVM_EXIT_S390_UCONTROL */
375 		struct {
376 			__u64 trans_exc_code;
377 			__u32 pgm_code;
378 		} s390_ucontrol;
379 		/* KVM_EXIT_DCR (deprecated) */
380 		struct {
381 			__u32 dcrn;
382 			__u32 data;
383 			__u8  is_write;
384 		} dcr;
385 		/* KVM_EXIT_INTERNAL_ERROR */
386 		struct {
387 			__u32 suberror;
388 			/* Available with KVM_CAP_INTERNAL_ERROR_DATA: */
389 			__u32 ndata;
390 			__u64 data[16];
391 		} internal;
392 		/*
393 		 * KVM_INTERNAL_ERROR_EMULATION
394 		 *
395 		 * "struct emulation_failure" is an overlay of "struct internal"
396 		 * that is used for the KVM_INTERNAL_ERROR_EMULATION sub-type of
397 		 * KVM_EXIT_INTERNAL_ERROR.  Note, unlike other internal error
398 		 * sub-types, this struct is ABI!  It also needs to be backwards
399 		 * compatible with "struct internal".  Take special care that
400 		 * "ndata" is correct, that new fields are enumerated in "flags",
401 		 * and that each flag enumerates fields that are 64-bit aligned
402 		 * and sized (so that ndata+internal.data[] is valid/accurate).
403 		 *
404 		 * Space beyond the defined fields may be used to store arbitrary
405 		 * debug information relating to the emulation failure. It is
406 		 * accounted for in "ndata" but the format is unspecified and is
407 		 * not represented in "flags". Any such information is *not* ABI!
408 		 */
409 		struct {
410 			__u32 suberror;
411 			__u32 ndata;
412 			__u64 flags;
413 			union {
414 				struct {
415 					__u8  insn_size;
416 					__u8  insn_bytes[15];
417 				};
418 			};
419 			/* Arbitrary debug data may follow. */
420 		} emulation_failure;
421 		/* KVM_EXIT_OSI */
422 		struct {
423 			__u64 gprs[32];
424 		} osi;
425 		/* KVM_EXIT_PAPR_HCALL */
426 		struct {
427 			__u64 nr;
428 			__u64 ret;
429 			__u64 args[9];
430 		} papr_hcall;
431 		/* KVM_EXIT_S390_TSCH */
432 		struct {
433 			__u16 subchannel_id;
434 			__u16 subchannel_nr;
435 			__u32 io_int_parm;
436 			__u32 io_int_word;
437 			__u32 ipb;
438 			__u8 dequeued;
439 		} s390_tsch;
440 		/* KVM_EXIT_EPR */
441 		struct {
442 			__u32 epr;
443 		} epr;
444 		/* KVM_EXIT_SYSTEM_EVENT */
445 		struct {
446 #define KVM_SYSTEM_EVENT_SHUTDOWN       1
447 #define KVM_SYSTEM_EVENT_RESET          2
448 #define KVM_SYSTEM_EVENT_CRASH          3
449 #define KVM_SYSTEM_EVENT_WAKEUP         4
450 #define KVM_SYSTEM_EVENT_SUSPEND        5
451 #define KVM_SYSTEM_EVENT_SEV_TERM       6
452 			__u32 type;
453 			__u32 ndata;
454 			union {
455 				__u64 flags;
456 				__u64 data[16];
457 			};
458 		} system_event;
459 		/* KVM_EXIT_S390_STSI */
460 		struct {
461 			__u64 addr;
462 			__u8 ar;
463 			__u8 reserved;
464 			__u8 fc;
465 			__u8 sel1;
466 			__u16 sel2;
467 		} s390_stsi;
468 		/* KVM_EXIT_IOAPIC_EOI */
469 		struct {
470 			__u8 vector;
471 		} eoi;
472 		/* KVM_EXIT_HYPERV */
473 		struct kvm_hyperv_exit hyperv;
474 		/* KVM_EXIT_ARM_NISV */
475 		struct {
476 			__u64 esr_iss;
477 			__u64 fault_ipa;
478 		} arm_nisv;
479 		/* KVM_EXIT_X86_RDMSR / KVM_EXIT_X86_WRMSR */
480 		struct {
481 			__u8 error; /* user -> kernel */
482 			__u8 pad[7];
483 #define KVM_MSR_EXIT_REASON_INVAL	(1 << 0)
484 #define KVM_MSR_EXIT_REASON_UNKNOWN	(1 << 1)
485 #define KVM_MSR_EXIT_REASON_FILTER	(1 << 2)
486 			__u32 reason; /* kernel -> user */
487 			__u32 index; /* kernel -> user */
488 			__u64 data; /* kernel <-> user */
489 		} msr;
490 		/* KVM_EXIT_XEN */
491 		struct kvm_xen_exit xen;
492 		/* KVM_EXIT_RISCV_SBI */
493 		struct {
494 			unsigned long extension_id;
495 			unsigned long function_id;
496 			unsigned long args[6];
497 			unsigned long ret[2];
498 		} riscv_sbi;
499 		/* KVM_EXIT_RISCV_CSR */
500 		struct {
501 			unsigned long csr_num;
502 			unsigned long new_value;
503 			unsigned long write_mask;
504 			unsigned long ret_value;
505 		} riscv_csr;
506 		/* KVM_EXIT_NOTIFY */
507 		struct {
508 #define KVM_NOTIFY_CONTEXT_INVALID	(1 << 0)
509 			__u32 flags;
510 		} notify;
511 		/* Fix the size of the union. */
512 		char padding[256];
513 	};
514 
515 	/* 2048 is the size of the char array used to bound/pad the size
516 	 * of the union that holds sync regs.
517 	 */
518 	#define SYNC_REGS_SIZE_BYTES 2048
519 	/*
520 	 * shared registers between kvm and userspace.
521 	 * kvm_valid_regs specifies the register classes set by the host
522 	 * kvm_dirty_regs specified the register classes dirtied by userspace
523 	 * struct kvm_sync_regs is architecture specific, as well as the
524 	 * bits for kvm_valid_regs and kvm_dirty_regs
525 	 */
526 	__u64 kvm_valid_regs;
527 	__u64 kvm_dirty_regs;
528 	union {
529 		struct kvm_sync_regs regs;
530 		char padding[SYNC_REGS_SIZE_BYTES];
531 	} s;
532 };
533 
534 /* for KVM_REGISTER_COALESCED_MMIO / KVM_UNREGISTER_COALESCED_MMIO */
535 
536 struct kvm_coalesced_mmio_zone {
537 	__u64 addr;
538 	__u32 size;
539 	union {
540 		__u32 pad;
541 		__u32 pio;
542 	};
543 };
544 
545 struct kvm_coalesced_mmio {
546 	__u64 phys_addr;
547 	__u32 len;
548 	union {
549 		__u32 pad;
550 		__u32 pio;
551 	};
552 	__u8  data[8];
553 };
554 
555 struct kvm_coalesced_mmio_ring {
556 	__u32 first, last;
557 	struct kvm_coalesced_mmio coalesced_mmio[];
558 };
559 
560 #define KVM_COALESCED_MMIO_MAX \
561 	((PAGE_SIZE - sizeof(struct kvm_coalesced_mmio_ring)) / \
562 	 sizeof(struct kvm_coalesced_mmio))
563 
564 /* for KVM_TRANSLATE */
565 struct kvm_translation {
566 	/* in */
567 	__u64 linear_address;
568 
569 	/* out */
570 	__u64 physical_address;
571 	__u8  valid;
572 	__u8  writeable;
573 	__u8  usermode;
574 	__u8  pad[5];
575 };
576 
577 /* for KVM_S390_MEM_OP */
578 struct kvm_s390_mem_op {
579 	/* in */
580 	__u64 gaddr;		/* the guest address */
581 	__u64 flags;		/* flags */
582 	__u32 size;		/* amount of bytes */
583 	__u32 op;		/* type of operation */
584 	__u64 buf;		/* buffer in userspace */
585 	union {
586 		struct {
587 			__u8 ar;	/* the access register number */
588 			__u8 key;	/* access key, ignored if flag unset */
589 		};
590 		__u32 sida_offset; /* offset into the sida */
591 		__u8 reserved[32]; /* ignored */
592 	};
593 };
594 /* types for kvm_s390_mem_op->op */
595 #define KVM_S390_MEMOP_LOGICAL_READ	0
596 #define KVM_S390_MEMOP_LOGICAL_WRITE	1
597 #define KVM_S390_MEMOP_SIDA_READ	2
598 #define KVM_S390_MEMOP_SIDA_WRITE	3
599 #define KVM_S390_MEMOP_ABSOLUTE_READ	4
600 #define KVM_S390_MEMOP_ABSOLUTE_WRITE	5
601 /* flags for kvm_s390_mem_op->flags */
602 #define KVM_S390_MEMOP_F_CHECK_ONLY		(1ULL << 0)
603 #define KVM_S390_MEMOP_F_INJECT_EXCEPTION	(1ULL << 1)
604 #define KVM_S390_MEMOP_F_SKEY_PROTECTION	(1ULL << 2)
605 
606 /* for KVM_INTERRUPT */
607 struct kvm_interrupt {
608 	/* in */
609 	__u32 irq;
610 };
611 
612 /* for KVM_GET_DIRTY_LOG */
613 struct kvm_dirty_log {
614 	__u32 slot;
615 	__u32 padding1;
616 	union {
617 		void *dirty_bitmap; /* one bit per page */
618 		__u64 padding2;
619 	};
620 };
621 
622 /* for KVM_CLEAR_DIRTY_LOG */
623 struct kvm_clear_dirty_log {
624 	__u32 slot;
625 	__u32 num_pages;
626 	__u64 first_page;
627 	union {
628 		void *dirty_bitmap; /* one bit per page */
629 		__u64 padding2;
630 	};
631 };
632 
633 /* for KVM_SET_SIGNAL_MASK */
634 struct kvm_signal_mask {
635 	__u32 len;
636 	__u8  sigset[];
637 };
638 
639 /* for KVM_TPR_ACCESS_REPORTING */
640 struct kvm_tpr_access_ctl {
641 	__u32 enabled;
642 	__u32 flags;
643 	__u32 reserved[8];
644 };
645 
646 /* for KVM_SET_VAPIC_ADDR */
647 struct kvm_vapic_addr {
648 	__u64 vapic_addr;
649 };
650 
651 /* for KVM_SET_MP_STATE */
652 
653 /* not all states are valid on all architectures */
654 #define KVM_MP_STATE_RUNNABLE          0
655 #define KVM_MP_STATE_UNINITIALIZED     1
656 #define KVM_MP_STATE_INIT_RECEIVED     2
657 #define KVM_MP_STATE_HALTED            3
658 #define KVM_MP_STATE_SIPI_RECEIVED     4
659 #define KVM_MP_STATE_STOPPED           5
660 #define KVM_MP_STATE_CHECK_STOP        6
661 #define KVM_MP_STATE_OPERATING         7
662 #define KVM_MP_STATE_LOAD              8
663 #define KVM_MP_STATE_AP_RESET_HOLD     9
664 #define KVM_MP_STATE_SUSPENDED         10
665 
666 struct kvm_mp_state {
667 	__u32 mp_state;
668 };
669 
670 struct kvm_s390_psw {
671 	__u64 mask;
672 	__u64 addr;
673 };
674 
675 /* valid values for type in kvm_s390_interrupt */
676 #define KVM_S390_SIGP_STOP		0xfffe0000u
677 #define KVM_S390_PROGRAM_INT		0xfffe0001u
678 #define KVM_S390_SIGP_SET_PREFIX	0xfffe0002u
679 #define KVM_S390_RESTART		0xfffe0003u
680 #define KVM_S390_INT_PFAULT_INIT	0xfffe0004u
681 #define KVM_S390_INT_PFAULT_DONE	0xfffe0005u
682 #define KVM_S390_MCHK			0xfffe1000u
683 #define KVM_S390_INT_CLOCK_COMP		0xffff1004u
684 #define KVM_S390_INT_CPU_TIMER		0xffff1005u
685 #define KVM_S390_INT_VIRTIO		0xffff2603u
686 #define KVM_S390_INT_SERVICE		0xffff2401u
687 #define KVM_S390_INT_EMERGENCY		0xffff1201u
688 #define KVM_S390_INT_EXTERNAL_CALL	0xffff1202u
689 /* Anything below 0xfffe0000u is taken by INT_IO */
690 #define KVM_S390_INT_IO(ai,cssid,ssid,schid)   \
691 	(((schid)) |			       \
692 	 ((ssid) << 16) |		       \
693 	 ((cssid) << 18) |		       \
694 	 ((ai) << 26))
695 #define KVM_S390_INT_IO_MIN		0x00000000u
696 #define KVM_S390_INT_IO_MAX		0xfffdffffu
697 #define KVM_S390_INT_IO_AI_MASK		0x04000000u
698 
699 
700 struct kvm_s390_interrupt {
701 	__u32 type;
702 	__u32 parm;
703 	__u64 parm64;
704 };
705 
706 struct kvm_s390_io_info {
707 	__u16 subchannel_id;
708 	__u16 subchannel_nr;
709 	__u32 io_int_parm;
710 	__u32 io_int_word;
711 };
712 
713 struct kvm_s390_ext_info {
714 	__u32 ext_params;
715 	__u32 pad;
716 	__u64 ext_params2;
717 };
718 
719 struct kvm_s390_pgm_info {
720 	__u64 trans_exc_code;
721 	__u64 mon_code;
722 	__u64 per_address;
723 	__u32 data_exc_code;
724 	__u16 code;
725 	__u16 mon_class_nr;
726 	__u8 per_code;
727 	__u8 per_atmid;
728 	__u8 exc_access_id;
729 	__u8 per_access_id;
730 	__u8 op_access_id;
731 #define KVM_S390_PGM_FLAGS_ILC_VALID	0x01
732 #define KVM_S390_PGM_FLAGS_ILC_0	0x02
733 #define KVM_S390_PGM_FLAGS_ILC_1	0x04
734 #define KVM_S390_PGM_FLAGS_ILC_MASK	0x06
735 #define KVM_S390_PGM_FLAGS_NO_REWIND	0x08
736 	__u8 flags;
737 	__u8 pad[2];
738 };
739 
740 struct kvm_s390_prefix_info {
741 	__u32 address;
742 };
743 
744 struct kvm_s390_extcall_info {
745 	__u16 code;
746 };
747 
748 struct kvm_s390_emerg_info {
749 	__u16 code;
750 };
751 
752 #define KVM_S390_STOP_FLAG_STORE_STATUS	0x01
753 struct kvm_s390_stop_info {
754 	__u32 flags;
755 };
756 
757 struct kvm_s390_mchk_info {
758 	__u64 cr14;
759 	__u64 mcic;
760 	__u64 failing_storage_address;
761 	__u32 ext_damage_code;
762 	__u32 pad;
763 	__u8 fixed_logout[16];
764 };
765 
766 struct kvm_s390_irq {
767 	__u64 type;
768 	union {
769 		struct kvm_s390_io_info io;
770 		struct kvm_s390_ext_info ext;
771 		struct kvm_s390_pgm_info pgm;
772 		struct kvm_s390_emerg_info emerg;
773 		struct kvm_s390_extcall_info extcall;
774 		struct kvm_s390_prefix_info prefix;
775 		struct kvm_s390_stop_info stop;
776 		struct kvm_s390_mchk_info mchk;
777 		char reserved[64];
778 	} u;
779 };
780 
781 struct kvm_s390_irq_state {
782 	__u64 buf;
783 	__u32 flags;        /* will stay unused for compatibility reasons */
784 	__u32 len;
785 	__u32 reserved[4];  /* will stay unused for compatibility reasons */
786 };
787 
788 /* for KVM_SET_GUEST_DEBUG */
789 
790 #define KVM_GUESTDBG_ENABLE		0x00000001
791 #define KVM_GUESTDBG_SINGLESTEP		0x00000002
792 
793 struct kvm_guest_debug {
794 	__u32 control;
795 	__u32 pad;
796 	struct kvm_guest_debug_arch arch;
797 };
798 
799 enum {
800 	kvm_ioeventfd_flag_nr_datamatch,
801 	kvm_ioeventfd_flag_nr_pio,
802 	kvm_ioeventfd_flag_nr_deassign,
803 	kvm_ioeventfd_flag_nr_virtio_ccw_notify,
804 	kvm_ioeventfd_flag_nr_fast_mmio,
805 	kvm_ioeventfd_flag_nr_max,
806 };
807 
808 #define KVM_IOEVENTFD_FLAG_DATAMATCH (1 << kvm_ioeventfd_flag_nr_datamatch)
809 #define KVM_IOEVENTFD_FLAG_PIO       (1 << kvm_ioeventfd_flag_nr_pio)
810 #define KVM_IOEVENTFD_FLAG_DEASSIGN  (1 << kvm_ioeventfd_flag_nr_deassign)
811 #define KVM_IOEVENTFD_FLAG_VIRTIO_CCW_NOTIFY \
812 	(1 << kvm_ioeventfd_flag_nr_virtio_ccw_notify)
813 
814 #define KVM_IOEVENTFD_VALID_FLAG_MASK  ((1 << kvm_ioeventfd_flag_nr_max) - 1)
815 
816 struct kvm_ioeventfd {
817 	__u64 datamatch;
818 	__u64 addr;        /* legal pio/mmio address */
819 	__u32 len;         /* 1, 2, 4, or 8 bytes; or 0 to ignore length */
820 	__s32 fd;
821 	__u32 flags;
822 	__u8  pad[36];
823 };
824 
825 #define KVM_X86_DISABLE_EXITS_MWAIT          (1 << 0)
826 #define KVM_X86_DISABLE_EXITS_HLT            (1 << 1)
827 #define KVM_X86_DISABLE_EXITS_PAUSE          (1 << 2)
828 #define KVM_X86_DISABLE_EXITS_CSTATE         (1 << 3)
829 #define KVM_X86_DISABLE_VALID_EXITS          (KVM_X86_DISABLE_EXITS_MWAIT | \
830                                               KVM_X86_DISABLE_EXITS_HLT | \
831                                               KVM_X86_DISABLE_EXITS_PAUSE | \
832                                               KVM_X86_DISABLE_EXITS_CSTATE)
833 
834 /* for KVM_ENABLE_CAP */
835 struct kvm_enable_cap {
836 	/* in */
837 	__u32 cap;
838 	__u32 flags;
839 	__u64 args[4];
840 	__u8  pad[64];
841 };
842 
843 /* for KVM_PPC_GET_PVINFO */
844 
845 #define KVM_PPC_PVINFO_FLAGS_EV_IDLE   (1<<0)
846 
847 struct kvm_ppc_pvinfo {
848 	/* out */
849 	__u32 flags;
850 	__u32 hcall[4];
851 	__u8  pad[108];
852 };
853 
854 /* for KVM_PPC_GET_SMMU_INFO */
855 #define KVM_PPC_PAGE_SIZES_MAX_SZ	8
856 
857 struct kvm_ppc_one_page_size {
858 	__u32 page_shift;	/* Page shift (or 0) */
859 	__u32 pte_enc;		/* Encoding in the HPTE (>>12) */
860 };
861 
862 struct kvm_ppc_one_seg_page_size {
863 	__u32 page_shift;	/* Base page shift of segment (or 0) */
864 	__u32 slb_enc;		/* SLB encoding for BookS */
865 	struct kvm_ppc_one_page_size enc[KVM_PPC_PAGE_SIZES_MAX_SZ];
866 };
867 
868 #define KVM_PPC_PAGE_SIZES_REAL		0x00000001
869 #define KVM_PPC_1T_SEGMENTS		0x00000002
870 #define KVM_PPC_NO_HASH			0x00000004
871 
872 struct kvm_ppc_smmu_info {
873 	__u64 flags;
874 	__u32 slb_size;
875 	__u16 data_keys;	/* # storage keys supported for data */
876 	__u16 instr_keys;	/* # storage keys supported for instructions */
877 	struct kvm_ppc_one_seg_page_size sps[KVM_PPC_PAGE_SIZES_MAX_SZ];
878 };
879 
880 /* for KVM_PPC_RESIZE_HPT_{PREPARE,COMMIT} */
881 struct kvm_ppc_resize_hpt {
882 	__u64 flags;
883 	__u32 shift;
884 	__u32 pad;
885 };
886 
887 #define KVMIO 0xAE
888 
889 /* machine type bits, to be used as argument to KVM_CREATE_VM */
890 #define KVM_VM_S390_UCONTROL	1
891 
892 /* on ppc, 0 indicate default, 1 should force HV and 2 PR */
893 #define KVM_VM_PPC_HV 1
894 #define KVM_VM_PPC_PR 2
895 
896 /* on MIPS, 0 indicates auto, 1 forces VZ ASE, 2 forces trap & emulate */
897 #define KVM_VM_MIPS_AUTO	0
898 #define KVM_VM_MIPS_VZ		1
899 #define KVM_VM_MIPS_TE		2
900 
901 #define KVM_S390_SIE_PAGE_OFFSET 1
902 
903 /*
904  * On arm64, machine type can be used to request the physical
905  * address size for the VM. Bits[7-0] are reserved for the guest
906  * PA size shift (i.e, log2(PA_Size)). For backward compatibility,
907  * value 0 implies the default IPA size, 40bits.
908  */
909 #define KVM_VM_TYPE_ARM_IPA_SIZE_MASK	0xffULL
910 #define KVM_VM_TYPE_ARM_IPA_SIZE(x)		\
911 	((x) & KVM_VM_TYPE_ARM_IPA_SIZE_MASK)
912 /*
913  * ioctls for /dev/kvm fds:
914  */
915 #define KVM_GET_API_VERSION       _IO(KVMIO,   0x00)
916 #define KVM_CREATE_VM             _IO(KVMIO,   0x01) /* returns a VM fd */
917 #define KVM_GET_MSR_INDEX_LIST    _IOWR(KVMIO, 0x02, struct kvm_msr_list)
918 
919 #define KVM_S390_ENABLE_SIE       _IO(KVMIO,   0x06)
920 /*
921  * Check if a kvm extension is available.  Argument is extension number,
922  * return is 1 (yes) or 0 (no, sorry).
923  */
924 #define KVM_CHECK_EXTENSION       _IO(KVMIO,   0x03)
925 /*
926  * Get size for mmap(vcpu_fd)
927  */
928 #define KVM_GET_VCPU_MMAP_SIZE    _IO(KVMIO,   0x04) /* in bytes */
929 #define KVM_GET_SUPPORTED_CPUID   _IOWR(KVMIO, 0x05, struct kvm_cpuid2)
930 #define KVM_TRACE_ENABLE          __KVM_DEPRECATED_MAIN_W_0x06
931 #define KVM_TRACE_PAUSE           __KVM_DEPRECATED_MAIN_0x07
932 #define KVM_TRACE_DISABLE         __KVM_DEPRECATED_MAIN_0x08
933 #define KVM_GET_EMULATED_CPUID	  _IOWR(KVMIO, 0x09, struct kvm_cpuid2)
934 #define KVM_GET_MSR_FEATURE_INDEX_LIST    _IOWR(KVMIO, 0x0a, struct kvm_msr_list)
935 
936 /*
937  * Extension capability list.
938  */
939 #define KVM_CAP_IRQCHIP	  0
940 #define KVM_CAP_HLT	  1
941 #define KVM_CAP_MMU_SHADOW_CACHE_CONTROL 2
942 #define KVM_CAP_USER_MEMORY 3
943 #define KVM_CAP_SET_TSS_ADDR 4
944 #define KVM_CAP_VAPIC 6
945 #define KVM_CAP_EXT_CPUID 7
946 #define KVM_CAP_CLOCKSOURCE 8
947 #define KVM_CAP_NR_VCPUS 9       /* returns recommended max vcpus per vm */
948 #define KVM_CAP_NR_MEMSLOTS 10   /* returns max memory slots per vm */
949 #define KVM_CAP_PIT 11
950 #define KVM_CAP_NOP_IO_DELAY 12
951 #define KVM_CAP_PV_MMU 13
952 #define KVM_CAP_MP_STATE 14
953 #define KVM_CAP_COALESCED_MMIO 15
954 #define KVM_CAP_SYNC_MMU 16  /* Changes to host mmap are reflected in guest */
955 #define KVM_CAP_IOMMU 18
956 /* Bug in KVM_SET_USER_MEMORY_REGION fixed: */
957 #define KVM_CAP_DESTROY_MEMORY_REGION_WORKS 21
958 #define KVM_CAP_USER_NMI 22
959 #ifdef __KVM_HAVE_GUEST_DEBUG
960 #define KVM_CAP_SET_GUEST_DEBUG 23
961 #endif
962 #ifdef __KVM_HAVE_PIT
963 #define KVM_CAP_REINJECT_CONTROL 24
964 #endif
965 #define KVM_CAP_IRQ_ROUTING 25
966 #define KVM_CAP_IRQ_INJECT_STATUS 26
967 #define KVM_CAP_ASSIGN_DEV_IRQ 29
968 /* Another bug in KVM_SET_USER_MEMORY_REGION fixed: */
969 #define KVM_CAP_JOIN_MEMORY_REGIONS_WORKS 30
970 #ifdef __KVM_HAVE_MCE
971 #define KVM_CAP_MCE 31
972 #endif
973 #define KVM_CAP_IRQFD 32
974 #ifdef __KVM_HAVE_PIT
975 #define KVM_CAP_PIT2 33
976 #endif
977 #define KVM_CAP_SET_BOOT_CPU_ID 34
978 #ifdef __KVM_HAVE_PIT_STATE2
979 #define KVM_CAP_PIT_STATE2 35
980 #endif
981 #define KVM_CAP_IOEVENTFD 36
982 #define KVM_CAP_SET_IDENTITY_MAP_ADDR 37
983 #ifdef __KVM_HAVE_XEN_HVM
984 #define KVM_CAP_XEN_HVM 38
985 #endif
986 #define KVM_CAP_ADJUST_CLOCK 39
987 #define KVM_CAP_INTERNAL_ERROR_DATA 40
988 #ifdef __KVM_HAVE_VCPU_EVENTS
989 #define KVM_CAP_VCPU_EVENTS 41
990 #endif
991 #define KVM_CAP_S390_PSW 42
992 #define KVM_CAP_PPC_SEGSTATE 43
993 #define KVM_CAP_HYPERV 44
994 #define KVM_CAP_HYPERV_VAPIC 45
995 #define KVM_CAP_HYPERV_SPIN 46
996 #define KVM_CAP_PCI_SEGMENT 47
997 #define KVM_CAP_PPC_PAIRED_SINGLES 48
998 #define KVM_CAP_INTR_SHADOW 49
999 #ifdef __KVM_HAVE_DEBUGREGS
1000 #define KVM_CAP_DEBUGREGS 50
1001 #endif
1002 #define KVM_CAP_X86_ROBUST_SINGLESTEP 51
1003 #define KVM_CAP_PPC_OSI 52
1004 #define KVM_CAP_PPC_UNSET_IRQ 53
1005 #define KVM_CAP_ENABLE_CAP 54
1006 #ifdef __KVM_HAVE_XSAVE
1007 #define KVM_CAP_XSAVE 55
1008 #endif
1009 #ifdef __KVM_HAVE_XCRS
1010 #define KVM_CAP_XCRS 56
1011 #endif
1012 #define KVM_CAP_PPC_GET_PVINFO 57
1013 #define KVM_CAP_PPC_IRQ_LEVEL 58
1014 #define KVM_CAP_ASYNC_PF 59
1015 #define KVM_CAP_TSC_CONTROL 60
1016 #define KVM_CAP_GET_TSC_KHZ 61
1017 #define KVM_CAP_PPC_BOOKE_SREGS 62
1018 #define KVM_CAP_SPAPR_TCE 63
1019 #define KVM_CAP_PPC_SMT 64
1020 #define KVM_CAP_PPC_RMA	65
1021 #define KVM_CAP_MAX_VCPUS 66       /* returns max vcpus per vm */
1022 #define KVM_CAP_PPC_HIOR 67
1023 #define KVM_CAP_PPC_PAPR 68
1024 #define KVM_CAP_SW_TLB 69
1025 #define KVM_CAP_ONE_REG 70
1026 #define KVM_CAP_S390_GMAP 71
1027 #define KVM_CAP_TSC_DEADLINE_TIMER 72
1028 #define KVM_CAP_S390_UCONTROL 73
1029 #define KVM_CAP_SYNC_REGS 74
1030 #define KVM_CAP_PCI_2_3 75
1031 #define KVM_CAP_KVMCLOCK_CTRL 76
1032 #define KVM_CAP_SIGNAL_MSI 77
1033 #define KVM_CAP_PPC_GET_SMMU_INFO 78
1034 #define KVM_CAP_S390_COW 79
1035 #define KVM_CAP_PPC_ALLOC_HTAB 80
1036 #define KVM_CAP_READONLY_MEM 81
1037 #define KVM_CAP_IRQFD_RESAMPLE 82
1038 #define KVM_CAP_PPC_BOOKE_WATCHDOG 83
1039 #define KVM_CAP_PPC_HTAB_FD 84
1040 #define KVM_CAP_S390_CSS_SUPPORT 85
1041 #define KVM_CAP_PPC_EPR 86
1042 #define KVM_CAP_ARM_PSCI 87
1043 #define KVM_CAP_ARM_SET_DEVICE_ADDR 88
1044 #define KVM_CAP_DEVICE_CTRL 89
1045 #define KVM_CAP_IRQ_MPIC 90
1046 #define KVM_CAP_PPC_RTAS 91
1047 #define KVM_CAP_IRQ_XICS 92
1048 #define KVM_CAP_ARM_EL1_32BIT 93
1049 #define KVM_CAP_SPAPR_MULTITCE 94
1050 #define KVM_CAP_EXT_EMUL_CPUID 95
1051 #define KVM_CAP_HYPERV_TIME 96
1052 #define KVM_CAP_IOAPIC_POLARITY_IGNORED 97
1053 #define KVM_CAP_ENABLE_CAP_VM 98
1054 #define KVM_CAP_S390_IRQCHIP 99
1055 #define KVM_CAP_IOEVENTFD_NO_LENGTH 100
1056 #define KVM_CAP_VM_ATTRIBUTES 101
1057 #define KVM_CAP_ARM_PSCI_0_2 102
1058 #define KVM_CAP_PPC_FIXUP_HCALL 103
1059 #define KVM_CAP_PPC_ENABLE_HCALL 104
1060 #define KVM_CAP_CHECK_EXTENSION_VM 105
1061 #define KVM_CAP_S390_USER_SIGP 106
1062 #define KVM_CAP_S390_VECTOR_REGISTERS 107
1063 #define KVM_CAP_S390_MEM_OP 108
1064 #define KVM_CAP_S390_USER_STSI 109
1065 #define KVM_CAP_S390_SKEYS 110
1066 #define KVM_CAP_MIPS_FPU 111
1067 #define KVM_CAP_MIPS_MSA 112
1068 #define KVM_CAP_S390_INJECT_IRQ 113
1069 #define KVM_CAP_S390_IRQ_STATE 114
1070 #define KVM_CAP_PPC_HWRNG 115
1071 #define KVM_CAP_DISABLE_QUIRKS 116
1072 #define KVM_CAP_X86_SMM 117
1073 #define KVM_CAP_MULTI_ADDRESS_SPACE 118
1074 #define KVM_CAP_GUEST_DEBUG_HW_BPS 119
1075 #define KVM_CAP_GUEST_DEBUG_HW_WPS 120
1076 #define KVM_CAP_SPLIT_IRQCHIP 121
1077 #define KVM_CAP_IOEVENTFD_ANY_LENGTH 122
1078 #define KVM_CAP_HYPERV_SYNIC 123
1079 #define KVM_CAP_S390_RI 124
1080 #define KVM_CAP_SPAPR_TCE_64 125
1081 #define KVM_CAP_ARM_PMU_V3 126
1082 #define KVM_CAP_VCPU_ATTRIBUTES 127
1083 #define KVM_CAP_MAX_VCPU_ID 128
1084 #define KVM_CAP_X2APIC_API 129
1085 #define KVM_CAP_S390_USER_INSTR0 130
1086 #define KVM_CAP_MSI_DEVID 131
1087 #define KVM_CAP_PPC_HTM 132
1088 #define KVM_CAP_SPAPR_RESIZE_HPT 133
1089 #define KVM_CAP_PPC_MMU_RADIX 134
1090 #define KVM_CAP_PPC_MMU_HASH_V3 135
1091 #define KVM_CAP_IMMEDIATE_EXIT 136
1092 #define KVM_CAP_MIPS_VZ 137
1093 #define KVM_CAP_MIPS_TE 138
1094 #define KVM_CAP_MIPS_64BIT 139
1095 #define KVM_CAP_S390_GS 140
1096 #define KVM_CAP_S390_AIS 141
1097 #define KVM_CAP_SPAPR_TCE_VFIO 142
1098 #define KVM_CAP_X86_DISABLE_EXITS 143
1099 #define KVM_CAP_ARM_USER_IRQ 144
1100 #define KVM_CAP_S390_CMMA_MIGRATION 145
1101 #define KVM_CAP_PPC_FWNMI 146
1102 #define KVM_CAP_PPC_SMT_POSSIBLE 147
1103 #define KVM_CAP_HYPERV_SYNIC2 148
1104 #define KVM_CAP_HYPERV_VP_INDEX 149
1105 #define KVM_CAP_S390_AIS_MIGRATION 150
1106 #define KVM_CAP_PPC_GET_CPU_CHAR 151
1107 #define KVM_CAP_S390_BPB 152
1108 #define KVM_CAP_GET_MSR_FEATURES 153
1109 #define KVM_CAP_HYPERV_EVENTFD 154
1110 #define KVM_CAP_HYPERV_TLBFLUSH 155
1111 #define KVM_CAP_S390_HPAGE_1M 156
1112 #define KVM_CAP_NESTED_STATE 157
1113 #define KVM_CAP_ARM_INJECT_SERROR_ESR 158
1114 #define KVM_CAP_MSR_PLATFORM_INFO 159
1115 #define KVM_CAP_PPC_NESTED_HV 160
1116 #define KVM_CAP_HYPERV_SEND_IPI 161
1117 #define KVM_CAP_COALESCED_PIO 162
1118 #define KVM_CAP_HYPERV_ENLIGHTENED_VMCS 163
1119 #define KVM_CAP_EXCEPTION_PAYLOAD 164
1120 #define KVM_CAP_ARM_VM_IPA_SIZE 165
1121 #define KVM_CAP_MANUAL_DIRTY_LOG_PROTECT 166 /* Obsolete */
1122 #define KVM_CAP_HYPERV_CPUID 167
1123 #define KVM_CAP_MANUAL_DIRTY_LOG_PROTECT2 168
1124 #define KVM_CAP_PPC_IRQ_XIVE 169
1125 #define KVM_CAP_ARM_SVE 170
1126 #define KVM_CAP_ARM_PTRAUTH_ADDRESS 171
1127 #define KVM_CAP_ARM_PTRAUTH_GENERIC 172
1128 #define KVM_CAP_PMU_EVENT_FILTER 173
1129 #define KVM_CAP_ARM_IRQ_LINE_LAYOUT_2 174
1130 #define KVM_CAP_HYPERV_DIRECT_TLBFLUSH 175
1131 #define KVM_CAP_PPC_GUEST_DEBUG_SSTEP 176
1132 #define KVM_CAP_ARM_NISV_TO_USER 177
1133 #define KVM_CAP_ARM_INJECT_EXT_DABT 178
1134 #define KVM_CAP_S390_VCPU_RESETS 179
1135 #define KVM_CAP_S390_PROTECTED 180
1136 #define KVM_CAP_PPC_SECURE_GUEST 181
1137 #define KVM_CAP_HALT_POLL 182
1138 #define KVM_CAP_ASYNC_PF_INT 183
1139 #define KVM_CAP_LAST_CPU 184
1140 #define KVM_CAP_SMALLER_MAXPHYADDR 185
1141 #define KVM_CAP_S390_DIAG318 186
1142 #define KVM_CAP_STEAL_TIME 187
1143 #define KVM_CAP_X86_USER_SPACE_MSR 188
1144 #define KVM_CAP_X86_MSR_FILTER 189
1145 #define KVM_CAP_ENFORCE_PV_FEATURE_CPUID 190
1146 #define KVM_CAP_SYS_HYPERV_CPUID 191
1147 #define KVM_CAP_DIRTY_LOG_RING 192
1148 #define KVM_CAP_X86_BUS_LOCK_EXIT 193
1149 #define KVM_CAP_PPC_DAWR1 194
1150 #define KVM_CAP_SET_GUEST_DEBUG2 195
1151 #define KVM_CAP_SGX_ATTRIBUTE 196
1152 #define KVM_CAP_VM_COPY_ENC_CONTEXT_FROM 197
1153 #define KVM_CAP_PTP_KVM 198
1154 #define KVM_CAP_HYPERV_ENFORCE_CPUID 199
1155 #define KVM_CAP_SREGS2 200
1156 #define KVM_CAP_EXIT_HYPERCALL 201
1157 #define KVM_CAP_PPC_RPT_INVALIDATE 202
1158 #define KVM_CAP_BINARY_STATS_FD 203
1159 #define KVM_CAP_EXIT_ON_EMULATION_FAILURE 204
1160 #define KVM_CAP_ARM_MTE 205
1161 #define KVM_CAP_VM_MOVE_ENC_CONTEXT_FROM 206
1162 #define KVM_CAP_VM_GPA_BITS 207
1163 #define KVM_CAP_XSAVE2 208
1164 #define KVM_CAP_SYS_ATTRIBUTES 209
1165 #define KVM_CAP_PPC_AIL_MODE_3 210
1166 #define KVM_CAP_S390_MEM_OP_EXTENSION 211
1167 #define KVM_CAP_PMU_CAPABILITY 212
1168 #define KVM_CAP_DISABLE_QUIRKS2 213
1169 #define KVM_CAP_VM_TSC_CONTROL 214
1170 #define KVM_CAP_SYSTEM_EVENT_DATA 215
1171 #define KVM_CAP_ARM_SYSTEM_SUSPEND 216
1172 #define KVM_CAP_S390_PROTECTED_DUMP 217
1173 #define KVM_CAP_X86_TRIPLE_FAULT_EVENT 218
1174 #define KVM_CAP_X86_NOTIFY_VMEXIT 219
1175 #define KVM_CAP_VM_DISABLE_NX_HUGE_PAGES 220
1176 #define KVM_CAP_S390_ZPCI_OP 221
1177 #define KVM_CAP_S390_CPU_TOPOLOGY 222
1178 
1179 #ifdef KVM_CAP_IRQ_ROUTING
1180 
1181 struct kvm_irq_routing_irqchip {
1182 	__u32 irqchip;
1183 	__u32 pin;
1184 };
1185 
1186 struct kvm_irq_routing_msi {
1187 	__u32 address_lo;
1188 	__u32 address_hi;
1189 	__u32 data;
1190 	union {
1191 		__u32 pad;
1192 		__u32 devid;
1193 	};
1194 };
1195 
1196 struct kvm_irq_routing_s390_adapter {
1197 	__u64 ind_addr;
1198 	__u64 summary_addr;
1199 	__u64 ind_offset;
1200 	__u32 summary_offset;
1201 	__u32 adapter_id;
1202 };
1203 
1204 struct kvm_irq_routing_hv_sint {
1205 	__u32 vcpu;
1206 	__u32 sint;
1207 };
1208 
1209 struct kvm_irq_routing_xen_evtchn {
1210 	__u32 port;
1211 	__u32 vcpu;
1212 	__u32 priority;
1213 };
1214 
1215 #define KVM_IRQ_ROUTING_XEN_EVTCHN_PRIO_2LEVEL ((__u32)(-1))
1216 
1217 /* gsi routing entry types */
1218 #define KVM_IRQ_ROUTING_IRQCHIP 1
1219 #define KVM_IRQ_ROUTING_MSI 2
1220 #define KVM_IRQ_ROUTING_S390_ADAPTER 3
1221 #define KVM_IRQ_ROUTING_HV_SINT 4
1222 #define KVM_IRQ_ROUTING_XEN_EVTCHN 5
1223 
1224 struct kvm_irq_routing_entry {
1225 	__u32 gsi;
1226 	__u32 type;
1227 	__u32 flags;
1228 	__u32 pad;
1229 	union {
1230 		struct kvm_irq_routing_irqchip irqchip;
1231 		struct kvm_irq_routing_msi msi;
1232 		struct kvm_irq_routing_s390_adapter adapter;
1233 		struct kvm_irq_routing_hv_sint hv_sint;
1234 		struct kvm_irq_routing_xen_evtchn xen_evtchn;
1235 		__u32 pad[8];
1236 	} u;
1237 };
1238 
1239 struct kvm_irq_routing {
1240 	__u32 nr;
1241 	__u32 flags;
1242 	struct kvm_irq_routing_entry entries[];
1243 };
1244 
1245 #endif
1246 
1247 #ifdef KVM_CAP_MCE
1248 /* x86 MCE */
1249 struct kvm_x86_mce {
1250 	__u64 status;
1251 	__u64 addr;
1252 	__u64 misc;
1253 	__u64 mcg_status;
1254 	__u8 bank;
1255 	__u8 pad1[7];
1256 	__u64 pad2[3];
1257 };
1258 #endif
1259 
1260 #ifdef KVM_CAP_XEN_HVM
1261 #define KVM_XEN_HVM_CONFIG_HYPERCALL_MSR	(1 << 0)
1262 #define KVM_XEN_HVM_CONFIG_INTERCEPT_HCALL	(1 << 1)
1263 #define KVM_XEN_HVM_CONFIG_SHARED_INFO		(1 << 2)
1264 #define KVM_XEN_HVM_CONFIG_RUNSTATE		(1 << 3)
1265 #define KVM_XEN_HVM_CONFIG_EVTCHN_2LEVEL	(1 << 4)
1266 #define KVM_XEN_HVM_CONFIG_EVTCHN_SEND		(1 << 5)
1267 
1268 struct kvm_xen_hvm_config {
1269 	__u32 flags;
1270 	__u32 msr;
1271 	__u64 blob_addr_32;
1272 	__u64 blob_addr_64;
1273 	__u8 blob_size_32;
1274 	__u8 blob_size_64;
1275 	__u8 pad2[30];
1276 };
1277 #endif
1278 
1279 #define KVM_IRQFD_FLAG_DEASSIGN (1 << 0)
1280 /*
1281  * Available with KVM_CAP_IRQFD_RESAMPLE
1282  *
1283  * KVM_IRQFD_FLAG_RESAMPLE indicates resamplefd is valid and specifies
1284  * the irqfd to operate in resampling mode for level triggered interrupt
1285  * emulation.  See Documentation/virt/kvm/api.rst.
1286  */
1287 #define KVM_IRQFD_FLAG_RESAMPLE (1 << 1)
1288 
1289 struct kvm_irqfd {
1290 	__u32 fd;
1291 	__u32 gsi;
1292 	__u32 flags;
1293 	__u32 resamplefd;
1294 	__u8  pad[16];
1295 };
1296 
1297 /* For KVM_CAP_ADJUST_CLOCK */
1298 
1299 /* Do not use 1, KVM_CHECK_EXTENSION returned it before we had flags.  */
1300 #define KVM_CLOCK_TSC_STABLE		2
1301 #define KVM_CLOCK_REALTIME		(1 << 2)
1302 #define KVM_CLOCK_HOST_TSC		(1 << 3)
1303 
1304 struct kvm_clock_data {
1305 	__u64 clock;
1306 	__u32 flags;
1307 	__u32 pad0;
1308 	__u64 realtime;
1309 	__u64 host_tsc;
1310 	__u32 pad[4];
1311 };
1312 
1313 /* For KVM_CAP_SW_TLB */
1314 
1315 #define KVM_MMU_FSL_BOOKE_NOHV		0
1316 #define KVM_MMU_FSL_BOOKE_HV		1
1317 
1318 struct kvm_config_tlb {
1319 	__u64 params;
1320 	__u64 array;
1321 	__u32 mmu_type;
1322 	__u32 array_len;
1323 };
1324 
1325 struct kvm_dirty_tlb {
1326 	__u64 bitmap;
1327 	__u32 num_dirty;
1328 };
1329 
1330 /* Available with KVM_CAP_ONE_REG */
1331 
1332 #define KVM_REG_ARCH_MASK	0xff00000000000000ULL
1333 #define KVM_REG_GENERIC		0x0000000000000000ULL
1334 
1335 /*
1336  * Architecture specific registers are to be defined in arch headers and
1337  * ORed with the arch identifier.
1338  */
1339 #define KVM_REG_PPC		0x1000000000000000ULL
1340 #define KVM_REG_X86		0x2000000000000000ULL
1341 #define KVM_REG_IA64		0x3000000000000000ULL
1342 #define KVM_REG_ARM		0x4000000000000000ULL
1343 #define KVM_REG_S390		0x5000000000000000ULL
1344 #define KVM_REG_ARM64		0x6000000000000000ULL
1345 #define KVM_REG_MIPS		0x7000000000000000ULL
1346 #define KVM_REG_RISCV		0x8000000000000000ULL
1347 
1348 #define KVM_REG_SIZE_SHIFT	52
1349 #define KVM_REG_SIZE_MASK	0x00f0000000000000ULL
1350 #define KVM_REG_SIZE_U8		0x0000000000000000ULL
1351 #define KVM_REG_SIZE_U16	0x0010000000000000ULL
1352 #define KVM_REG_SIZE_U32	0x0020000000000000ULL
1353 #define KVM_REG_SIZE_U64	0x0030000000000000ULL
1354 #define KVM_REG_SIZE_U128	0x0040000000000000ULL
1355 #define KVM_REG_SIZE_U256	0x0050000000000000ULL
1356 #define KVM_REG_SIZE_U512	0x0060000000000000ULL
1357 #define KVM_REG_SIZE_U1024	0x0070000000000000ULL
1358 #define KVM_REG_SIZE_U2048	0x0080000000000000ULL
1359 
1360 struct kvm_reg_list {
1361 	__u64 n; /* number of regs */
1362 	__u64 reg[];
1363 };
1364 
1365 struct kvm_one_reg {
1366 	__u64 id;
1367 	__u64 addr;
1368 };
1369 
1370 #define KVM_MSI_VALID_DEVID	(1U << 0)
1371 struct kvm_msi {
1372 	__u32 address_lo;
1373 	__u32 address_hi;
1374 	__u32 data;
1375 	__u32 flags;
1376 	__u32 devid;
1377 	__u8  pad[12];
1378 };
1379 
1380 struct kvm_arm_device_addr {
1381 	__u64 id;
1382 	__u64 addr;
1383 };
1384 
1385 /*
1386  * Device control API, available with KVM_CAP_DEVICE_CTRL
1387  */
1388 #define KVM_CREATE_DEVICE_TEST		1
1389 
1390 struct kvm_create_device {
1391 	__u32	type;	/* in: KVM_DEV_TYPE_xxx */
1392 	__u32	fd;	/* out: device handle */
1393 	__u32	flags;	/* in: KVM_CREATE_DEVICE_xxx */
1394 };
1395 
1396 struct kvm_device_attr {
1397 	__u32	flags;		/* no flags currently defined */
1398 	__u32	group;		/* device-defined */
1399 	__u64	attr;		/* group-defined */
1400 	__u64	addr;		/* userspace address of attr data */
1401 };
1402 
1403 #define  KVM_DEV_VFIO_GROUP			1
1404 #define   KVM_DEV_VFIO_GROUP_ADD			1
1405 #define   KVM_DEV_VFIO_GROUP_DEL			2
1406 #define   KVM_DEV_VFIO_GROUP_SET_SPAPR_TCE		3
1407 
1408 enum kvm_device_type {
1409 	KVM_DEV_TYPE_FSL_MPIC_20	= 1,
1410 #define KVM_DEV_TYPE_FSL_MPIC_20	KVM_DEV_TYPE_FSL_MPIC_20
1411 	KVM_DEV_TYPE_FSL_MPIC_42,
1412 #define KVM_DEV_TYPE_FSL_MPIC_42	KVM_DEV_TYPE_FSL_MPIC_42
1413 	KVM_DEV_TYPE_XICS,
1414 #define KVM_DEV_TYPE_XICS		KVM_DEV_TYPE_XICS
1415 	KVM_DEV_TYPE_VFIO,
1416 #define KVM_DEV_TYPE_VFIO		KVM_DEV_TYPE_VFIO
1417 	KVM_DEV_TYPE_ARM_VGIC_V2,
1418 #define KVM_DEV_TYPE_ARM_VGIC_V2	KVM_DEV_TYPE_ARM_VGIC_V2
1419 	KVM_DEV_TYPE_FLIC,
1420 #define KVM_DEV_TYPE_FLIC		KVM_DEV_TYPE_FLIC
1421 	KVM_DEV_TYPE_ARM_VGIC_V3,
1422 #define KVM_DEV_TYPE_ARM_VGIC_V3	KVM_DEV_TYPE_ARM_VGIC_V3
1423 	KVM_DEV_TYPE_ARM_VGIC_ITS,
1424 #define KVM_DEV_TYPE_ARM_VGIC_ITS	KVM_DEV_TYPE_ARM_VGIC_ITS
1425 	KVM_DEV_TYPE_XIVE,
1426 #define KVM_DEV_TYPE_XIVE		KVM_DEV_TYPE_XIVE
1427 	KVM_DEV_TYPE_ARM_PV_TIME,
1428 #define KVM_DEV_TYPE_ARM_PV_TIME	KVM_DEV_TYPE_ARM_PV_TIME
1429 	KVM_DEV_TYPE_MAX,
1430 };
1431 
1432 struct kvm_vfio_spapr_tce {
1433 	__s32	groupfd;
1434 	__s32	tablefd;
1435 };
1436 
1437 /*
1438  * ioctls for VM fds
1439  */
1440 #define KVM_SET_MEMORY_REGION     _IOW(KVMIO,  0x40, struct kvm_memory_region)
1441 /*
1442  * KVM_CREATE_VCPU receives as a parameter the vcpu slot, and returns
1443  * a vcpu fd.
1444  */
1445 #define KVM_CREATE_VCPU           _IO(KVMIO,   0x41)
1446 #define KVM_GET_DIRTY_LOG         _IOW(KVMIO,  0x42, struct kvm_dirty_log)
1447 /* KVM_SET_MEMORY_ALIAS is obsolete: */
1448 #define KVM_SET_MEMORY_ALIAS      _IOW(KVMIO,  0x43, struct kvm_memory_alias)
1449 #define KVM_SET_NR_MMU_PAGES      _IO(KVMIO,   0x44)
1450 #define KVM_GET_NR_MMU_PAGES      _IO(KVMIO,   0x45)
1451 #define KVM_SET_USER_MEMORY_REGION _IOW(KVMIO, 0x46, \
1452 					struct kvm_userspace_memory_region)
1453 #define KVM_SET_TSS_ADDR          _IO(KVMIO,   0x47)
1454 #define KVM_SET_IDENTITY_MAP_ADDR _IOW(KVMIO,  0x48, __u64)
1455 
1456 /* enable ucontrol for s390 */
1457 struct kvm_s390_ucas_mapping {
1458 	__u64 user_addr;
1459 	__u64 vcpu_addr;
1460 	__u64 length;
1461 };
1462 #define KVM_S390_UCAS_MAP        _IOW(KVMIO, 0x50, struct kvm_s390_ucas_mapping)
1463 #define KVM_S390_UCAS_UNMAP      _IOW(KVMIO, 0x51, struct kvm_s390_ucas_mapping)
1464 #define KVM_S390_VCPU_FAULT	 _IOW(KVMIO, 0x52, unsigned long)
1465 
1466 /* Device model IOC */
1467 #define KVM_CREATE_IRQCHIP        _IO(KVMIO,   0x60)
1468 #define KVM_IRQ_LINE              _IOW(KVMIO,  0x61, struct kvm_irq_level)
1469 #define KVM_GET_IRQCHIP           _IOWR(KVMIO, 0x62, struct kvm_irqchip)
1470 #define KVM_SET_IRQCHIP           _IOR(KVMIO,  0x63, struct kvm_irqchip)
1471 #define KVM_CREATE_PIT            _IO(KVMIO,   0x64)
1472 #define KVM_GET_PIT               _IOWR(KVMIO, 0x65, struct kvm_pit_state)
1473 #define KVM_SET_PIT               _IOR(KVMIO,  0x66, struct kvm_pit_state)
1474 #define KVM_IRQ_LINE_STATUS       _IOWR(KVMIO, 0x67, struct kvm_irq_level)
1475 #define KVM_REGISTER_COALESCED_MMIO \
1476 			_IOW(KVMIO,  0x67, struct kvm_coalesced_mmio_zone)
1477 #define KVM_UNREGISTER_COALESCED_MMIO \
1478 			_IOW(KVMIO,  0x68, struct kvm_coalesced_mmio_zone)
1479 #define KVM_ASSIGN_PCI_DEVICE     _IOR(KVMIO,  0x69, \
1480 				       struct kvm_assigned_pci_dev)
1481 #define KVM_SET_GSI_ROUTING       _IOW(KVMIO,  0x6a, struct kvm_irq_routing)
1482 /* deprecated, replaced by KVM_ASSIGN_DEV_IRQ */
1483 #define KVM_ASSIGN_IRQ            __KVM_DEPRECATED_VM_R_0x70
1484 #define KVM_ASSIGN_DEV_IRQ        _IOW(KVMIO,  0x70, struct kvm_assigned_irq)
1485 #define KVM_REINJECT_CONTROL      _IO(KVMIO,   0x71)
1486 #define KVM_DEASSIGN_PCI_DEVICE   _IOW(KVMIO,  0x72, \
1487 				       struct kvm_assigned_pci_dev)
1488 #define KVM_ASSIGN_SET_MSIX_NR    _IOW(KVMIO,  0x73, \
1489 				       struct kvm_assigned_msix_nr)
1490 #define KVM_ASSIGN_SET_MSIX_ENTRY _IOW(KVMIO,  0x74, \
1491 				       struct kvm_assigned_msix_entry)
1492 #define KVM_DEASSIGN_DEV_IRQ      _IOW(KVMIO,  0x75, struct kvm_assigned_irq)
1493 #define KVM_IRQFD                 _IOW(KVMIO,  0x76, struct kvm_irqfd)
1494 #define KVM_CREATE_PIT2		  _IOW(KVMIO,  0x77, struct kvm_pit_config)
1495 #define KVM_SET_BOOT_CPU_ID       _IO(KVMIO,   0x78)
1496 #define KVM_IOEVENTFD             _IOW(KVMIO,  0x79, struct kvm_ioeventfd)
1497 #define KVM_XEN_HVM_CONFIG        _IOW(KVMIO,  0x7a, struct kvm_xen_hvm_config)
1498 #define KVM_SET_CLOCK             _IOW(KVMIO,  0x7b, struct kvm_clock_data)
1499 #define KVM_GET_CLOCK             _IOR(KVMIO,  0x7c, struct kvm_clock_data)
1500 /* Available with KVM_CAP_PIT_STATE2 */
1501 #define KVM_GET_PIT2              _IOR(KVMIO,  0x9f, struct kvm_pit_state2)
1502 #define KVM_SET_PIT2              _IOW(KVMIO,  0xa0, struct kvm_pit_state2)
1503 /* Available with KVM_CAP_PPC_GET_PVINFO */
1504 #define KVM_PPC_GET_PVINFO	  _IOW(KVMIO,  0xa1, struct kvm_ppc_pvinfo)
1505 /* Available with KVM_CAP_TSC_CONTROL for a vCPU, or with
1506 *  KVM_CAP_VM_TSC_CONTROL to set defaults for a VM */
1507 #define KVM_SET_TSC_KHZ           _IO(KVMIO,  0xa2)
1508 #define KVM_GET_TSC_KHZ           _IO(KVMIO,  0xa3)
1509 /* Available with KVM_CAP_PCI_2_3 */
1510 #define KVM_ASSIGN_SET_INTX_MASK  _IOW(KVMIO,  0xa4, \
1511 				       struct kvm_assigned_pci_dev)
1512 /* Available with KVM_CAP_SIGNAL_MSI */
1513 #define KVM_SIGNAL_MSI            _IOW(KVMIO,  0xa5, struct kvm_msi)
1514 /* Available with KVM_CAP_PPC_GET_SMMU_INFO */
1515 #define KVM_PPC_GET_SMMU_INFO	  _IOR(KVMIO,  0xa6, struct kvm_ppc_smmu_info)
1516 /* Available with KVM_CAP_PPC_ALLOC_HTAB */
1517 #define KVM_PPC_ALLOCATE_HTAB	  _IOWR(KVMIO, 0xa7, __u32)
1518 #define KVM_CREATE_SPAPR_TCE	  _IOW(KVMIO,  0xa8, struct kvm_create_spapr_tce)
1519 #define KVM_CREATE_SPAPR_TCE_64	  _IOW(KVMIO,  0xa8, \
1520 				       struct kvm_create_spapr_tce_64)
1521 /* Available with KVM_CAP_RMA */
1522 #define KVM_ALLOCATE_RMA	  _IOR(KVMIO,  0xa9, struct kvm_allocate_rma)
1523 /* Available with KVM_CAP_PPC_HTAB_FD */
1524 #define KVM_PPC_GET_HTAB_FD	  _IOW(KVMIO,  0xaa, struct kvm_get_htab_fd)
1525 /* Available with KVM_CAP_ARM_SET_DEVICE_ADDR */
1526 #define KVM_ARM_SET_DEVICE_ADDR	  _IOW(KVMIO,  0xab, struct kvm_arm_device_addr)
1527 /* Available with KVM_CAP_PPC_RTAS */
1528 #define KVM_PPC_RTAS_DEFINE_TOKEN _IOW(KVMIO,  0xac, struct kvm_rtas_token_args)
1529 /* Available with KVM_CAP_SPAPR_RESIZE_HPT */
1530 #define KVM_PPC_RESIZE_HPT_PREPARE _IOR(KVMIO, 0xad, struct kvm_ppc_resize_hpt)
1531 #define KVM_PPC_RESIZE_HPT_COMMIT  _IOR(KVMIO, 0xae, struct kvm_ppc_resize_hpt)
1532 /* Available with KVM_CAP_PPC_RADIX_MMU or KVM_CAP_PPC_HASH_MMU_V3 */
1533 #define KVM_PPC_CONFIGURE_V3_MMU  _IOW(KVMIO,  0xaf, struct kvm_ppc_mmuv3_cfg)
1534 /* Available with KVM_CAP_PPC_RADIX_MMU */
1535 #define KVM_PPC_GET_RMMU_INFO	  _IOW(KVMIO,  0xb0, struct kvm_ppc_rmmu_info)
1536 /* Available with KVM_CAP_PPC_GET_CPU_CHAR */
1537 #define KVM_PPC_GET_CPU_CHAR	  _IOR(KVMIO,  0xb1, struct kvm_ppc_cpu_char)
1538 /* Available with KVM_CAP_PMU_EVENT_FILTER */
1539 #define KVM_SET_PMU_EVENT_FILTER  _IOW(KVMIO,  0xb2, struct kvm_pmu_event_filter)
1540 #define KVM_PPC_SVM_OFF		  _IO(KVMIO,  0xb3)
1541 #define KVM_ARM_MTE_COPY_TAGS	  _IOR(KVMIO,  0xb4, struct kvm_arm_copy_mte_tags)
1542 
1543 /* ioctl for vm fd */
1544 #define KVM_CREATE_DEVICE	  _IOWR(KVMIO,  0xe0, struct kvm_create_device)
1545 
1546 /* ioctls for fds returned by KVM_CREATE_DEVICE */
1547 #define KVM_SET_DEVICE_ATTR	  _IOW(KVMIO,  0xe1, struct kvm_device_attr)
1548 #define KVM_GET_DEVICE_ATTR	  _IOW(KVMIO,  0xe2, struct kvm_device_attr)
1549 #define KVM_HAS_DEVICE_ATTR	  _IOW(KVMIO,  0xe3, struct kvm_device_attr)
1550 
1551 /*
1552  * ioctls for vcpu fds
1553  */
1554 #define KVM_RUN                   _IO(KVMIO,   0x80)
1555 #define KVM_GET_REGS              _IOR(KVMIO,  0x81, struct kvm_regs)
1556 #define KVM_SET_REGS              _IOW(KVMIO,  0x82, struct kvm_regs)
1557 #define KVM_GET_SREGS             _IOR(KVMIO,  0x83, struct kvm_sregs)
1558 #define KVM_SET_SREGS             _IOW(KVMIO,  0x84, struct kvm_sregs)
1559 #define KVM_TRANSLATE             _IOWR(KVMIO, 0x85, struct kvm_translation)
1560 #define KVM_INTERRUPT             _IOW(KVMIO,  0x86, struct kvm_interrupt)
1561 /* KVM_DEBUG_GUEST is no longer supported, use KVM_SET_GUEST_DEBUG instead */
1562 #define KVM_DEBUG_GUEST           __KVM_DEPRECATED_VCPU_W_0x87
1563 #define KVM_GET_MSRS              _IOWR(KVMIO, 0x88, struct kvm_msrs)
1564 #define KVM_SET_MSRS              _IOW(KVMIO,  0x89, struct kvm_msrs)
1565 #define KVM_SET_CPUID             _IOW(KVMIO,  0x8a, struct kvm_cpuid)
1566 #define KVM_SET_SIGNAL_MASK       _IOW(KVMIO,  0x8b, struct kvm_signal_mask)
1567 #define KVM_GET_FPU               _IOR(KVMIO,  0x8c, struct kvm_fpu)
1568 #define KVM_SET_FPU               _IOW(KVMIO,  0x8d, struct kvm_fpu)
1569 #define KVM_GET_LAPIC             _IOR(KVMIO,  0x8e, struct kvm_lapic_state)
1570 #define KVM_SET_LAPIC             _IOW(KVMIO,  0x8f, struct kvm_lapic_state)
1571 #define KVM_SET_CPUID2            _IOW(KVMIO,  0x90, struct kvm_cpuid2)
1572 #define KVM_GET_CPUID2            _IOWR(KVMIO, 0x91, struct kvm_cpuid2)
1573 /* Available with KVM_CAP_VAPIC */
1574 #define KVM_TPR_ACCESS_REPORTING  _IOWR(KVMIO, 0x92, struct kvm_tpr_access_ctl)
1575 /* Available with KVM_CAP_VAPIC */
1576 #define KVM_SET_VAPIC_ADDR        _IOW(KVMIO,  0x93, struct kvm_vapic_addr)
1577 /* valid for virtual machine (for floating interrupt)_and_ vcpu */
1578 #define KVM_S390_INTERRUPT        _IOW(KVMIO,  0x94, struct kvm_s390_interrupt)
1579 /* store status for s390 */
1580 #define KVM_S390_STORE_STATUS_NOADDR    (-1ul)
1581 #define KVM_S390_STORE_STATUS_PREFIXED  (-2ul)
1582 #define KVM_S390_STORE_STATUS	  _IOW(KVMIO,  0x95, unsigned long)
1583 /* initial ipl psw for s390 */
1584 #define KVM_S390_SET_INITIAL_PSW  _IOW(KVMIO,  0x96, struct kvm_s390_psw)
1585 /* initial reset for s390 */
1586 #define KVM_S390_INITIAL_RESET    _IO(KVMIO,   0x97)
1587 #define KVM_GET_MP_STATE          _IOR(KVMIO,  0x98, struct kvm_mp_state)
1588 #define KVM_SET_MP_STATE          _IOW(KVMIO,  0x99, struct kvm_mp_state)
1589 /* Available with KVM_CAP_USER_NMI */
1590 #define KVM_NMI                   _IO(KVMIO,   0x9a)
1591 /* Available with KVM_CAP_SET_GUEST_DEBUG */
1592 #define KVM_SET_GUEST_DEBUG       _IOW(KVMIO,  0x9b, struct kvm_guest_debug)
1593 /* MCE for x86 */
1594 #define KVM_X86_SETUP_MCE         _IOW(KVMIO,  0x9c, __u64)
1595 #define KVM_X86_GET_MCE_CAP_SUPPORTED _IOR(KVMIO,  0x9d, __u64)
1596 #define KVM_X86_SET_MCE           _IOW(KVMIO,  0x9e, struct kvm_x86_mce)
1597 /* Available with KVM_CAP_VCPU_EVENTS */
1598 #define KVM_GET_VCPU_EVENTS       _IOR(KVMIO,  0x9f, struct kvm_vcpu_events)
1599 #define KVM_SET_VCPU_EVENTS       _IOW(KVMIO,  0xa0, struct kvm_vcpu_events)
1600 /* Available with KVM_CAP_DEBUGREGS */
1601 #define KVM_GET_DEBUGREGS         _IOR(KVMIO,  0xa1, struct kvm_debugregs)
1602 #define KVM_SET_DEBUGREGS         _IOW(KVMIO,  0xa2, struct kvm_debugregs)
1603 /*
1604  * vcpu version available with KVM_ENABLE_CAP
1605  * vm version available with KVM_CAP_ENABLE_CAP_VM
1606  */
1607 #define KVM_ENABLE_CAP            _IOW(KVMIO,  0xa3, struct kvm_enable_cap)
1608 /* Available with KVM_CAP_XSAVE */
1609 #define KVM_GET_XSAVE		  _IOR(KVMIO,  0xa4, struct kvm_xsave)
1610 #define KVM_SET_XSAVE		  _IOW(KVMIO,  0xa5, struct kvm_xsave)
1611 /* Available with KVM_CAP_XCRS */
1612 #define KVM_GET_XCRS		  _IOR(KVMIO,  0xa6, struct kvm_xcrs)
1613 #define KVM_SET_XCRS		  _IOW(KVMIO,  0xa7, struct kvm_xcrs)
1614 /* Available with KVM_CAP_SW_TLB */
1615 #define KVM_DIRTY_TLB		  _IOW(KVMIO,  0xaa, struct kvm_dirty_tlb)
1616 /* Available with KVM_CAP_ONE_REG */
1617 #define KVM_GET_ONE_REG		  _IOW(KVMIO,  0xab, struct kvm_one_reg)
1618 #define KVM_SET_ONE_REG		  _IOW(KVMIO,  0xac, struct kvm_one_reg)
1619 /* VM is being stopped by host */
1620 #define KVM_KVMCLOCK_CTRL	  _IO(KVMIO,   0xad)
1621 #define KVM_ARM_VCPU_INIT	  _IOW(KVMIO,  0xae, struct kvm_vcpu_init)
1622 #define KVM_ARM_PREFERRED_TARGET  _IOR(KVMIO,  0xaf, struct kvm_vcpu_init)
1623 #define KVM_GET_REG_LIST	  _IOWR(KVMIO, 0xb0, struct kvm_reg_list)
1624 /* Available with KVM_CAP_S390_MEM_OP */
1625 #define KVM_S390_MEM_OP		  _IOW(KVMIO,  0xb1, struct kvm_s390_mem_op)
1626 /* Available with KVM_CAP_S390_SKEYS */
1627 #define KVM_S390_GET_SKEYS      _IOW(KVMIO, 0xb2, struct kvm_s390_skeys)
1628 #define KVM_S390_SET_SKEYS      _IOW(KVMIO, 0xb3, struct kvm_s390_skeys)
1629 /* Available with KVM_CAP_S390_INJECT_IRQ */
1630 #define KVM_S390_IRQ              _IOW(KVMIO,  0xb4, struct kvm_s390_irq)
1631 /* Available with KVM_CAP_S390_IRQ_STATE */
1632 #define KVM_S390_SET_IRQ_STATE	  _IOW(KVMIO, 0xb5, struct kvm_s390_irq_state)
1633 #define KVM_S390_GET_IRQ_STATE	  _IOW(KVMIO, 0xb6, struct kvm_s390_irq_state)
1634 /* Available with KVM_CAP_X86_SMM */
1635 #define KVM_SMI                   _IO(KVMIO,   0xb7)
1636 /* Available with KVM_CAP_S390_CMMA_MIGRATION */
1637 #define KVM_S390_GET_CMMA_BITS      _IOWR(KVMIO, 0xb8, struct kvm_s390_cmma_log)
1638 #define KVM_S390_SET_CMMA_BITS      _IOW(KVMIO, 0xb9, struct kvm_s390_cmma_log)
1639 /* Memory Encryption Commands */
1640 #define KVM_MEMORY_ENCRYPT_OP      _IOWR(KVMIO, 0xba, unsigned long)
1641 
1642 struct kvm_enc_region {
1643 	__u64 addr;
1644 	__u64 size;
1645 };
1646 
1647 #define KVM_MEMORY_ENCRYPT_REG_REGION    _IOR(KVMIO, 0xbb, struct kvm_enc_region)
1648 #define KVM_MEMORY_ENCRYPT_UNREG_REGION  _IOR(KVMIO, 0xbc, struct kvm_enc_region)
1649 
1650 /* Available with KVM_CAP_HYPERV_EVENTFD */
1651 #define KVM_HYPERV_EVENTFD        _IOW(KVMIO,  0xbd, struct kvm_hyperv_eventfd)
1652 
1653 /* Available with KVM_CAP_NESTED_STATE */
1654 #define KVM_GET_NESTED_STATE         _IOWR(KVMIO, 0xbe, struct kvm_nested_state)
1655 #define KVM_SET_NESTED_STATE         _IOW(KVMIO,  0xbf, struct kvm_nested_state)
1656 
1657 /* Available with KVM_CAP_MANUAL_DIRTY_LOG_PROTECT_2 */
1658 #define KVM_CLEAR_DIRTY_LOG          _IOWR(KVMIO, 0xc0, struct kvm_clear_dirty_log)
1659 
1660 /* Available with KVM_CAP_HYPERV_CPUID (vcpu) / KVM_CAP_SYS_HYPERV_CPUID (system) */
1661 #define KVM_GET_SUPPORTED_HV_CPUID _IOWR(KVMIO, 0xc1, struct kvm_cpuid2)
1662 
1663 /* Available with KVM_CAP_ARM_SVE */
1664 #define KVM_ARM_VCPU_FINALIZE	  _IOW(KVMIO,  0xc2, int)
1665 
1666 /* Available with  KVM_CAP_S390_VCPU_RESETS */
1667 #define KVM_S390_NORMAL_RESET	_IO(KVMIO,   0xc3)
1668 #define KVM_S390_CLEAR_RESET	_IO(KVMIO,   0xc4)
1669 
1670 struct kvm_s390_pv_sec_parm {
1671 	__u64 origin;
1672 	__u64 length;
1673 };
1674 
1675 struct kvm_s390_pv_unp {
1676 	__u64 addr;
1677 	__u64 size;
1678 	__u64 tweak;
1679 };
1680 
1681 enum pv_cmd_dmp_id {
1682 	KVM_PV_DUMP_INIT,
1683 	KVM_PV_DUMP_CONFIG_STOR_STATE,
1684 	KVM_PV_DUMP_COMPLETE,
1685 	KVM_PV_DUMP_CPU,
1686 };
1687 
1688 struct kvm_s390_pv_dmp {
1689 	__u64 subcmd;
1690 	__u64 buff_addr;
1691 	__u64 buff_len;
1692 	__u64 gaddr;		/* For dump storage state */
1693 	__u64 reserved[4];
1694 };
1695 
1696 enum pv_cmd_info_id {
1697 	KVM_PV_INFO_VM,
1698 	KVM_PV_INFO_DUMP,
1699 };
1700 
1701 struct kvm_s390_pv_info_dump {
1702 	__u64 dump_cpu_buffer_len;
1703 	__u64 dump_config_mem_buffer_per_1m;
1704 	__u64 dump_config_finalize_len;
1705 };
1706 
1707 struct kvm_s390_pv_info_vm {
1708 	__u64 inst_calls_list[4];
1709 	__u64 max_cpus;
1710 	__u64 max_guests;
1711 	__u64 max_guest_addr;
1712 	__u64 feature_indication;
1713 };
1714 
1715 struct kvm_s390_pv_info_header {
1716 	__u32 id;
1717 	__u32 len_max;
1718 	__u32 len_written;
1719 	__u32 reserved;
1720 };
1721 
1722 struct kvm_s390_pv_info {
1723 	struct kvm_s390_pv_info_header header;
1724 	union {
1725 		struct kvm_s390_pv_info_dump dump;
1726 		struct kvm_s390_pv_info_vm vm;
1727 	};
1728 };
1729 
1730 enum pv_cmd_id {
1731 	KVM_PV_ENABLE,
1732 	KVM_PV_DISABLE,
1733 	KVM_PV_SET_SEC_PARMS,
1734 	KVM_PV_UNPACK,
1735 	KVM_PV_VERIFY,
1736 	KVM_PV_PREP_RESET,
1737 	KVM_PV_UNSHARE_ALL,
1738 	KVM_PV_INFO,
1739 	KVM_PV_DUMP,
1740 };
1741 
1742 struct kvm_pv_cmd {
1743 	__u32 cmd;	/* Command to be executed */
1744 	__u16 rc;	/* Ultravisor return code */
1745 	__u16 rrc;	/* Ultravisor return reason code */
1746 	__u64 data;	/* Data or address */
1747 	__u32 flags;    /* flags for future extensions. Must be 0 for now */
1748 	__u32 reserved[3];
1749 };
1750 
1751 /* Available with KVM_CAP_S390_PROTECTED */
1752 #define KVM_S390_PV_COMMAND		_IOWR(KVMIO, 0xc5, struct kvm_pv_cmd)
1753 
1754 /* Available with KVM_CAP_X86_MSR_FILTER */
1755 #define KVM_X86_SET_MSR_FILTER	_IOW(KVMIO,  0xc6, struct kvm_msr_filter)
1756 
1757 /* Available with KVM_CAP_DIRTY_LOG_RING */
1758 #define KVM_RESET_DIRTY_RINGS		_IO(KVMIO, 0xc7)
1759 
1760 /* Per-VM Xen attributes */
1761 #define KVM_XEN_HVM_GET_ATTR	_IOWR(KVMIO, 0xc8, struct kvm_xen_hvm_attr)
1762 #define KVM_XEN_HVM_SET_ATTR	_IOW(KVMIO,  0xc9, struct kvm_xen_hvm_attr)
1763 
1764 struct kvm_xen_hvm_attr {
1765 	__u16 type;
1766 	__u16 pad[3];
1767 	union {
1768 		__u8 long_mode;
1769 		__u8 vector;
1770 		struct {
1771 			__u64 gfn;
1772 		} shared_info;
1773 		struct {
1774 			__u32 send_port;
1775 			__u32 type; /* EVTCHNSTAT_ipi / EVTCHNSTAT_interdomain */
1776 			__u32 flags;
1777 #define KVM_XEN_EVTCHN_DEASSIGN		(1 << 0)
1778 #define KVM_XEN_EVTCHN_UPDATE		(1 << 1)
1779 #define KVM_XEN_EVTCHN_RESET		(1 << 2)
1780 			/*
1781 			 * Events sent by the guest are either looped back to
1782 			 * the guest itself (potentially on a different port#)
1783 			 * or signalled via an eventfd.
1784 			 */
1785 			union {
1786 				struct {
1787 					__u32 port;
1788 					__u32 vcpu;
1789 					__u32 priority;
1790 				} port;
1791 				struct {
1792 					__u32 port; /* Zero for eventfd */
1793 					__s32 fd;
1794 				} eventfd;
1795 				__u32 padding[4];
1796 			} deliver;
1797 		} evtchn;
1798 		__u32 xen_version;
1799 		__u64 pad[8];
1800 	} u;
1801 };
1802 
1803 /* Available with KVM_CAP_XEN_HVM / KVM_XEN_HVM_CONFIG_SHARED_INFO */
1804 #define KVM_XEN_ATTR_TYPE_LONG_MODE		0x0
1805 #define KVM_XEN_ATTR_TYPE_SHARED_INFO		0x1
1806 #define KVM_XEN_ATTR_TYPE_UPCALL_VECTOR		0x2
1807 /* Available with KVM_CAP_XEN_HVM / KVM_XEN_HVM_CONFIG_EVTCHN_SEND */
1808 #define KVM_XEN_ATTR_TYPE_EVTCHN		0x3
1809 #define KVM_XEN_ATTR_TYPE_XEN_VERSION		0x4
1810 
1811 /* Per-vCPU Xen attributes */
1812 #define KVM_XEN_VCPU_GET_ATTR	_IOWR(KVMIO, 0xca, struct kvm_xen_vcpu_attr)
1813 #define KVM_XEN_VCPU_SET_ATTR	_IOW(KVMIO,  0xcb, struct kvm_xen_vcpu_attr)
1814 
1815 /* Available with KVM_CAP_XEN_HVM / KVM_XEN_HVM_CONFIG_EVTCHN_SEND */
1816 #define KVM_XEN_HVM_EVTCHN_SEND	_IOW(KVMIO,  0xd0, struct kvm_irq_routing_xen_evtchn)
1817 
1818 #define KVM_GET_SREGS2             _IOR(KVMIO,  0xcc, struct kvm_sregs2)
1819 #define KVM_SET_SREGS2             _IOW(KVMIO,  0xcd, struct kvm_sregs2)
1820 
1821 struct kvm_xen_vcpu_attr {
1822 	__u16 type;
1823 	__u16 pad[3];
1824 	union {
1825 		__u64 gpa;
1826 		__u64 pad[8];
1827 		struct {
1828 			__u64 state;
1829 			__u64 state_entry_time;
1830 			__u64 time_running;
1831 			__u64 time_runnable;
1832 			__u64 time_blocked;
1833 			__u64 time_offline;
1834 		} runstate;
1835 		__u32 vcpu_id;
1836 		struct {
1837 			__u32 port;
1838 			__u32 priority;
1839 			__u64 expires_ns;
1840 		} timer;
1841 		__u8 vector;
1842 	} u;
1843 };
1844 
1845 /* Available with KVM_CAP_XEN_HVM / KVM_XEN_HVM_CONFIG_SHARED_INFO */
1846 #define KVM_XEN_VCPU_ATTR_TYPE_VCPU_INFO	0x0
1847 #define KVM_XEN_VCPU_ATTR_TYPE_VCPU_TIME_INFO	0x1
1848 #define KVM_XEN_VCPU_ATTR_TYPE_RUNSTATE_ADDR	0x2
1849 #define KVM_XEN_VCPU_ATTR_TYPE_RUNSTATE_CURRENT	0x3
1850 #define KVM_XEN_VCPU_ATTR_TYPE_RUNSTATE_DATA	0x4
1851 #define KVM_XEN_VCPU_ATTR_TYPE_RUNSTATE_ADJUST	0x5
1852 /* Available with KVM_CAP_XEN_HVM / KVM_XEN_HVM_CONFIG_EVTCHN_SEND */
1853 #define KVM_XEN_VCPU_ATTR_TYPE_VCPU_ID		0x6
1854 #define KVM_XEN_VCPU_ATTR_TYPE_TIMER		0x7
1855 #define KVM_XEN_VCPU_ATTR_TYPE_UPCALL_VECTOR	0x8
1856 
1857 /* Secure Encrypted Virtualization command */
1858 enum sev_cmd_id {
1859 	/* Guest initialization commands */
1860 	KVM_SEV_INIT = 0,
1861 	KVM_SEV_ES_INIT,
1862 	/* Guest launch commands */
1863 	KVM_SEV_LAUNCH_START,
1864 	KVM_SEV_LAUNCH_UPDATE_DATA,
1865 	KVM_SEV_LAUNCH_UPDATE_VMSA,
1866 	KVM_SEV_LAUNCH_SECRET,
1867 	KVM_SEV_LAUNCH_MEASURE,
1868 	KVM_SEV_LAUNCH_FINISH,
1869 	/* Guest migration commands (outgoing) */
1870 	KVM_SEV_SEND_START,
1871 	KVM_SEV_SEND_UPDATE_DATA,
1872 	KVM_SEV_SEND_UPDATE_VMSA,
1873 	KVM_SEV_SEND_FINISH,
1874 	/* Guest migration commands (incoming) */
1875 	KVM_SEV_RECEIVE_START,
1876 	KVM_SEV_RECEIVE_UPDATE_DATA,
1877 	KVM_SEV_RECEIVE_UPDATE_VMSA,
1878 	KVM_SEV_RECEIVE_FINISH,
1879 	/* Guest status and debug commands */
1880 	KVM_SEV_GUEST_STATUS,
1881 	KVM_SEV_DBG_DECRYPT,
1882 	KVM_SEV_DBG_ENCRYPT,
1883 	/* Guest certificates commands */
1884 	KVM_SEV_CERT_EXPORT,
1885 	/* Attestation report */
1886 	KVM_SEV_GET_ATTESTATION_REPORT,
1887 	/* Guest Migration Extension */
1888 	KVM_SEV_SEND_CANCEL,
1889 
1890 	KVM_SEV_NR_MAX,
1891 };
1892 
1893 struct kvm_sev_cmd {
1894 	__u32 id;
1895 	__u64 data;
1896 	__u32 error;
1897 	__u32 sev_fd;
1898 };
1899 
1900 struct kvm_sev_launch_start {
1901 	__u32 handle;
1902 	__u32 policy;
1903 	__u64 dh_uaddr;
1904 	__u32 dh_len;
1905 	__u64 session_uaddr;
1906 	__u32 session_len;
1907 };
1908 
1909 struct kvm_sev_launch_update_data {
1910 	__u64 uaddr;
1911 	__u32 len;
1912 };
1913 
1914 
1915 struct kvm_sev_launch_secret {
1916 	__u64 hdr_uaddr;
1917 	__u32 hdr_len;
1918 	__u64 guest_uaddr;
1919 	__u32 guest_len;
1920 	__u64 trans_uaddr;
1921 	__u32 trans_len;
1922 };
1923 
1924 struct kvm_sev_launch_measure {
1925 	__u64 uaddr;
1926 	__u32 len;
1927 };
1928 
1929 struct kvm_sev_guest_status {
1930 	__u32 handle;
1931 	__u32 policy;
1932 	__u32 state;
1933 };
1934 
1935 struct kvm_sev_dbg {
1936 	__u64 src_uaddr;
1937 	__u64 dst_uaddr;
1938 	__u32 len;
1939 };
1940 
1941 struct kvm_sev_attestation_report {
1942 	__u8 mnonce[16];
1943 	__u64 uaddr;
1944 	__u32 len;
1945 };
1946 
1947 struct kvm_sev_send_start {
1948 	__u32 policy;
1949 	__u64 pdh_cert_uaddr;
1950 	__u32 pdh_cert_len;
1951 	__u64 plat_certs_uaddr;
1952 	__u32 plat_certs_len;
1953 	__u64 amd_certs_uaddr;
1954 	__u32 amd_certs_len;
1955 	__u64 session_uaddr;
1956 	__u32 session_len;
1957 };
1958 
1959 struct kvm_sev_send_update_data {
1960 	__u64 hdr_uaddr;
1961 	__u32 hdr_len;
1962 	__u64 guest_uaddr;
1963 	__u32 guest_len;
1964 	__u64 trans_uaddr;
1965 	__u32 trans_len;
1966 };
1967 
1968 struct kvm_sev_receive_start {
1969 	__u32 handle;
1970 	__u32 policy;
1971 	__u64 pdh_uaddr;
1972 	__u32 pdh_len;
1973 	__u64 session_uaddr;
1974 	__u32 session_len;
1975 };
1976 
1977 struct kvm_sev_receive_update_data {
1978 	__u64 hdr_uaddr;
1979 	__u32 hdr_len;
1980 	__u64 guest_uaddr;
1981 	__u32 guest_len;
1982 	__u64 trans_uaddr;
1983 	__u32 trans_len;
1984 };
1985 
1986 #define KVM_DEV_ASSIGN_ENABLE_IOMMU	(1 << 0)
1987 #define KVM_DEV_ASSIGN_PCI_2_3		(1 << 1)
1988 #define KVM_DEV_ASSIGN_MASK_INTX	(1 << 2)
1989 
1990 struct kvm_assigned_pci_dev {
1991 	__u32 assigned_dev_id;
1992 	__u32 busnr;
1993 	__u32 devfn;
1994 	__u32 flags;
1995 	__u32 segnr;
1996 	union {
1997 		__u32 reserved[11];
1998 	};
1999 };
2000 
2001 #define KVM_DEV_IRQ_HOST_INTX    (1 << 0)
2002 #define KVM_DEV_IRQ_HOST_MSI     (1 << 1)
2003 #define KVM_DEV_IRQ_HOST_MSIX    (1 << 2)
2004 
2005 #define KVM_DEV_IRQ_GUEST_INTX   (1 << 8)
2006 #define KVM_DEV_IRQ_GUEST_MSI    (1 << 9)
2007 #define KVM_DEV_IRQ_GUEST_MSIX   (1 << 10)
2008 
2009 #define KVM_DEV_IRQ_HOST_MASK	 0x00ff
2010 #define KVM_DEV_IRQ_GUEST_MASK   0xff00
2011 
2012 struct kvm_assigned_irq {
2013 	__u32 assigned_dev_id;
2014 	__u32 host_irq; /* ignored (legacy field) */
2015 	__u32 guest_irq;
2016 	__u32 flags;
2017 	union {
2018 		__u32 reserved[12];
2019 	};
2020 };
2021 
2022 struct kvm_assigned_msix_nr {
2023 	__u32 assigned_dev_id;
2024 	__u16 entry_nr;
2025 	__u16 padding;
2026 };
2027 
2028 #define KVM_MAX_MSIX_PER_DEV		256
2029 struct kvm_assigned_msix_entry {
2030 	__u32 assigned_dev_id;
2031 	__u32 gsi;
2032 	__u16 entry; /* The index of entry in the MSI-X table */
2033 	__u16 padding[3];
2034 };
2035 
2036 #define KVM_X2APIC_API_USE_32BIT_IDS            (1ULL << 0)
2037 #define KVM_X2APIC_API_DISABLE_BROADCAST_QUIRK  (1ULL << 1)
2038 
2039 /* Available with KVM_CAP_ARM_USER_IRQ */
2040 
2041 /* Bits for run->s.regs.device_irq_level */
2042 #define KVM_ARM_DEV_EL1_VTIMER		(1 << 0)
2043 #define KVM_ARM_DEV_EL1_PTIMER		(1 << 1)
2044 #define KVM_ARM_DEV_PMU			(1 << 2)
2045 
2046 struct kvm_hyperv_eventfd {
2047 	__u32 conn_id;
2048 	__s32 fd;
2049 	__u32 flags;
2050 	__u32 padding[3];
2051 };
2052 
2053 #define KVM_HYPERV_CONN_ID_MASK		0x00ffffff
2054 #define KVM_HYPERV_EVENTFD_DEASSIGN	(1 << 0)
2055 
2056 #define KVM_DIRTY_LOG_MANUAL_PROTECT_ENABLE    (1 << 0)
2057 #define KVM_DIRTY_LOG_INITIALLY_SET            (1 << 1)
2058 
2059 /*
2060  * Arch needs to define the macro after implementing the dirty ring
2061  * feature.  KVM_DIRTY_LOG_PAGE_OFFSET should be defined as the
2062  * starting page offset of the dirty ring structures.
2063  */
2064 #ifndef KVM_DIRTY_LOG_PAGE_OFFSET
2065 #define KVM_DIRTY_LOG_PAGE_OFFSET 0
2066 #endif
2067 
2068 /*
2069  * KVM dirty GFN flags, defined as:
2070  *
2071  * |---------------+---------------+--------------|
2072  * | bit 1 (reset) | bit 0 (dirty) | Status       |
2073  * |---------------+---------------+--------------|
2074  * |             0 |             0 | Invalid GFN  |
2075  * |             0 |             1 | Dirty GFN    |
2076  * |             1 |             X | GFN to reset |
2077  * |---------------+---------------+--------------|
2078  *
2079  * Lifecycle of a dirty GFN goes like:
2080  *
2081  *      dirtied         harvested        reset
2082  * 00 -----------> 01 -------------> 1X -------+
2083  *  ^                                          |
2084  *  |                                          |
2085  *  +------------------------------------------+
2086  *
2087  * The userspace program is only responsible for the 01->1X state
2088  * conversion after harvesting an entry.  Also, it must not skip any
2089  * dirty bits, so that dirty bits are always harvested in sequence.
2090  */
2091 #define KVM_DIRTY_GFN_F_DIRTY           _BITUL(0)
2092 #define KVM_DIRTY_GFN_F_RESET           _BITUL(1)
2093 #define KVM_DIRTY_GFN_F_MASK            0x3
2094 
2095 /*
2096  * KVM dirty rings should be mapped at KVM_DIRTY_LOG_PAGE_OFFSET of
2097  * per-vcpu mmaped regions as an array of struct kvm_dirty_gfn.  The
2098  * size of the gfn buffer is decided by the first argument when
2099  * enabling KVM_CAP_DIRTY_LOG_RING.
2100  */
2101 struct kvm_dirty_gfn {
2102 	__u32 flags;
2103 	__u32 slot;
2104 	__u64 offset;
2105 };
2106 
2107 #define KVM_BUS_LOCK_DETECTION_OFF             (1 << 0)
2108 #define KVM_BUS_LOCK_DETECTION_EXIT            (1 << 1)
2109 
2110 #define KVM_PMU_CAP_DISABLE                    (1 << 0)
2111 
2112 /**
2113  * struct kvm_stats_header - Header of per vm/vcpu binary statistics data.
2114  * @flags: Some extra information for header, always 0 for now.
2115  * @name_size: The size in bytes of the memory which contains statistics
2116  *             name string including trailing '\0'. The memory is allocated
2117  *             at the send of statistics descriptor.
2118  * @num_desc: The number of statistics the vm or vcpu has.
2119  * @id_offset: The offset of the vm/vcpu stats' id string in the file pointed
2120  *             by vm/vcpu stats fd.
2121  * @desc_offset: The offset of the vm/vcpu stats' descriptor block in the file
2122  *               pointd by vm/vcpu stats fd.
2123  * @data_offset: The offset of the vm/vcpu stats' data block in the file
2124  *               pointed by vm/vcpu stats fd.
2125  *
2126  * This is the header userspace needs to read from stats fd before any other
2127  * readings. It is used by userspace to discover all the information about the
2128  * vm/vcpu's binary statistics.
2129  * Userspace reads this header from the start of the vm/vcpu's stats fd.
2130  */
2131 struct kvm_stats_header {
2132 	__u32 flags;
2133 	__u32 name_size;
2134 	__u32 num_desc;
2135 	__u32 id_offset;
2136 	__u32 desc_offset;
2137 	__u32 data_offset;
2138 };
2139 
2140 #define KVM_STATS_TYPE_SHIFT		0
2141 #define KVM_STATS_TYPE_MASK		(0xF << KVM_STATS_TYPE_SHIFT)
2142 #define KVM_STATS_TYPE_CUMULATIVE	(0x0 << KVM_STATS_TYPE_SHIFT)
2143 #define KVM_STATS_TYPE_INSTANT		(0x1 << KVM_STATS_TYPE_SHIFT)
2144 #define KVM_STATS_TYPE_PEAK		(0x2 << KVM_STATS_TYPE_SHIFT)
2145 #define KVM_STATS_TYPE_LINEAR_HIST	(0x3 << KVM_STATS_TYPE_SHIFT)
2146 #define KVM_STATS_TYPE_LOG_HIST		(0x4 << KVM_STATS_TYPE_SHIFT)
2147 #define KVM_STATS_TYPE_MAX		KVM_STATS_TYPE_LOG_HIST
2148 
2149 #define KVM_STATS_UNIT_SHIFT		4
2150 #define KVM_STATS_UNIT_MASK		(0xF << KVM_STATS_UNIT_SHIFT)
2151 #define KVM_STATS_UNIT_NONE		(0x0 << KVM_STATS_UNIT_SHIFT)
2152 #define KVM_STATS_UNIT_BYTES		(0x1 << KVM_STATS_UNIT_SHIFT)
2153 #define KVM_STATS_UNIT_SECONDS		(0x2 << KVM_STATS_UNIT_SHIFT)
2154 #define KVM_STATS_UNIT_CYCLES		(0x3 << KVM_STATS_UNIT_SHIFT)
2155 #define KVM_STATS_UNIT_BOOLEAN		(0x4 << KVM_STATS_UNIT_SHIFT)
2156 #define KVM_STATS_UNIT_MAX		KVM_STATS_UNIT_BOOLEAN
2157 
2158 #define KVM_STATS_BASE_SHIFT		8
2159 #define KVM_STATS_BASE_MASK		(0xF << KVM_STATS_BASE_SHIFT)
2160 #define KVM_STATS_BASE_POW10		(0x0 << KVM_STATS_BASE_SHIFT)
2161 #define KVM_STATS_BASE_POW2		(0x1 << KVM_STATS_BASE_SHIFT)
2162 #define KVM_STATS_BASE_MAX		KVM_STATS_BASE_POW2
2163 
2164 /**
2165  * struct kvm_stats_desc - Descriptor of a KVM statistics.
2166  * @flags: Annotations of the stats, like type, unit, etc.
2167  * @exponent: Used together with @flags to determine the unit.
2168  * @size: The number of data items for this stats.
2169  *        Every data item is of type __u64.
2170  * @offset: The offset of the stats to the start of stat structure in
2171  *          structure kvm or kvm_vcpu.
2172  * @bucket_size: A parameter value used for histogram stats. It is only used
2173  *		for linear histogram stats, specifying the size of the bucket;
2174  * @name: The name string for the stats. Its size is indicated by the
2175  *        &kvm_stats_header->name_size.
2176  */
2177 struct kvm_stats_desc {
2178 	__u32 flags;
2179 	__s16 exponent;
2180 	__u16 size;
2181 	__u32 offset;
2182 	__u32 bucket_size;
2183 	char name[];
2184 };
2185 
2186 #define KVM_GET_STATS_FD  _IO(KVMIO,  0xce)
2187 
2188 /* Available with KVM_CAP_XSAVE2 */
2189 #define KVM_GET_XSAVE2		  _IOR(KVMIO,  0xcf, struct kvm_xsave)
2190 
2191 /* Available with KVM_CAP_S390_PROTECTED_DUMP */
2192 #define KVM_S390_PV_CPU_COMMAND	_IOWR(KVMIO, 0xd0, struct kvm_pv_cmd)
2193 
2194 /* Available with KVM_CAP_X86_NOTIFY_VMEXIT */
2195 #define KVM_X86_NOTIFY_VMEXIT_ENABLED		(1ULL << 0)
2196 #define KVM_X86_NOTIFY_VMEXIT_USER		(1ULL << 1)
2197 
2198 /* Available with KVM_CAP_S390_ZPCI_OP */
2199 #define KVM_S390_ZPCI_OP         _IOW(KVMIO,  0xd1, struct kvm_s390_zpci_op)
2200 
2201 struct kvm_s390_zpci_op {
2202 	/* in */
2203 	__u32 fh;               /* target device */
2204 	__u8  op;               /* operation to perform */
2205 	__u8  pad[3];
2206 	union {
2207 		/* for KVM_S390_ZPCIOP_REG_AEN */
2208 		struct {
2209 			__u64 ibv;      /* Guest addr of interrupt bit vector */
2210 			__u64 sb;       /* Guest addr of summary bit */
2211 			__u32 flags;
2212 			__u32 noi;      /* Number of interrupts */
2213 			__u8 isc;       /* Guest interrupt subclass */
2214 			__u8 sbo;       /* Offset of guest summary bit vector */
2215 			__u16 pad;
2216 		} reg_aen;
2217 		__u64 reserved[8];
2218 	} u;
2219 };
2220 
2221 /* types for kvm_s390_zpci_op->op */
2222 #define KVM_S390_ZPCIOP_REG_AEN                0
2223 #define KVM_S390_ZPCIOP_DEREG_AEN      1
2224 
2225 /* flags for kvm_s390_zpci_op->u.reg_aen.flags */
2226 #define KVM_S390_ZPCIOP_REGAEN_HOST    (1 << 0)
2227 
2228 #endif /* __LINUX_KVM_H */
2229