xref: /qemu/linux-headers/linux/kvm.h (revision 2abf0da2)
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_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 #define KVM_EXIT_LOONGARCH_IOCSR  38
268 
269 /* For KVM_EXIT_INTERNAL_ERROR */
270 /* Emulate instruction failed. */
271 #define KVM_INTERNAL_ERROR_EMULATION	1
272 /* Encounter unexpected simultaneous exceptions. */
273 #define KVM_INTERNAL_ERROR_SIMUL_EX	2
274 /* Encounter unexpected vm-exit due to delivery event. */
275 #define KVM_INTERNAL_ERROR_DELIVERY_EV	3
276 /* Encounter unexpected vm-exit reason */
277 #define KVM_INTERNAL_ERROR_UNEXPECTED_EXIT_REASON	4
278 
279 /* Flags that describe what fields in emulation_failure hold valid data. */
280 #define KVM_INTERNAL_ERROR_EMULATION_FLAG_INSTRUCTION_BYTES (1ULL << 0)
281 
282 /* for KVM_RUN, returned by mmap(vcpu_fd, offset=0) */
283 struct kvm_run {
284 	/* in */
285 	__u8 request_interrupt_window;
286 	__u8 immediate_exit;
287 	__u8 padding1[6];
288 
289 	/* out */
290 	__u32 exit_reason;
291 	__u8 ready_for_interrupt_injection;
292 	__u8 if_flag;
293 	__u16 flags;
294 
295 	/* in (pre_kvm_run), out (post_kvm_run) */
296 	__u64 cr8;
297 	__u64 apic_base;
298 
299 #ifdef __KVM_S390
300 	/* the processor status word for s390 */
301 	__u64 psw_mask; /* psw upper half */
302 	__u64 psw_addr; /* psw lower half */
303 #endif
304 	union {
305 		/* KVM_EXIT_UNKNOWN */
306 		struct {
307 			__u64 hardware_exit_reason;
308 		} hw;
309 		/* KVM_EXIT_FAIL_ENTRY */
310 		struct {
311 			__u64 hardware_entry_failure_reason;
312 			__u32 cpu;
313 		} fail_entry;
314 		/* KVM_EXIT_EXCEPTION */
315 		struct {
316 			__u32 exception;
317 			__u32 error_code;
318 		} ex;
319 		/* KVM_EXIT_IO */
320 		struct {
321 #define KVM_EXIT_IO_IN  0
322 #define KVM_EXIT_IO_OUT 1
323 			__u8 direction;
324 			__u8 size; /* bytes */
325 			__u16 port;
326 			__u32 count;
327 			__u64 data_offset; /* relative to kvm_run start */
328 		} io;
329 		/* KVM_EXIT_DEBUG */
330 		struct {
331 			struct kvm_debug_exit_arch arch;
332 		} debug;
333 		/* KVM_EXIT_MMIO */
334 		struct {
335 			__u64 phys_addr;
336 			__u8  data[8];
337 			__u32 len;
338 			__u8  is_write;
339 		} mmio;
340 		/* KVM_EXIT_LOONGARCH_IOCSR */
341 		struct {
342 			__u64 phys_addr;
343 			__u8  data[8];
344 			__u32 len;
345 			__u8  is_write;
346 		} iocsr_io;
347 		/* KVM_EXIT_HYPERCALL */
348 		struct {
349 			__u64 nr;
350 			__u64 args[6];
351 			__u64 ret;
352 
353 			union {
354 				__u32 longmode;
355 				__u64 flags;
356 			};
357 		} hypercall;
358 		/* KVM_EXIT_TPR_ACCESS */
359 		struct {
360 			__u64 rip;
361 			__u32 is_write;
362 			__u32 pad;
363 		} tpr_access;
364 		/* KVM_EXIT_S390_SIEIC */
365 		struct {
366 			__u8 icptcode;
367 			__u16 ipa;
368 			__u32 ipb;
369 		} s390_sieic;
370 		/* KVM_EXIT_S390_RESET */
371 #define KVM_S390_RESET_POR       1
372 #define KVM_S390_RESET_CLEAR     2
373 #define KVM_S390_RESET_SUBSYSTEM 4
374 #define KVM_S390_RESET_CPU_INIT  8
375 #define KVM_S390_RESET_IPL       16
376 		__u64 s390_reset_flags;
377 		/* KVM_EXIT_S390_UCONTROL */
378 		struct {
379 			__u64 trans_exc_code;
380 			__u32 pgm_code;
381 		} s390_ucontrol;
382 		/* KVM_EXIT_DCR (deprecated) */
383 		struct {
384 			__u32 dcrn;
385 			__u32 data;
386 			__u8  is_write;
387 		} dcr;
388 		/* KVM_EXIT_INTERNAL_ERROR */
389 		struct {
390 			__u32 suberror;
391 			/* Available with KVM_CAP_INTERNAL_ERROR_DATA: */
392 			__u32 ndata;
393 			__u64 data[16];
394 		} internal;
395 		/*
396 		 * KVM_INTERNAL_ERROR_EMULATION
397 		 *
398 		 * "struct emulation_failure" is an overlay of "struct internal"
399 		 * that is used for the KVM_INTERNAL_ERROR_EMULATION sub-type of
400 		 * KVM_EXIT_INTERNAL_ERROR.  Note, unlike other internal error
401 		 * sub-types, this struct is ABI!  It also needs to be backwards
402 		 * compatible with "struct internal".  Take special care that
403 		 * "ndata" is correct, that new fields are enumerated in "flags",
404 		 * and that each flag enumerates fields that are 64-bit aligned
405 		 * and sized (so that ndata+internal.data[] is valid/accurate).
406 		 *
407 		 * Space beyond the defined fields may be used to store arbitrary
408 		 * debug information relating to the emulation failure. It is
409 		 * accounted for in "ndata" but the format is unspecified and is
410 		 * not represented in "flags". Any such information is *not* ABI!
411 		 */
412 		struct {
413 			__u32 suberror;
414 			__u32 ndata;
415 			__u64 flags;
416 			union {
417 				struct {
418 					__u8  insn_size;
419 					__u8  insn_bytes[15];
420 				};
421 			};
422 			/* Arbitrary debug data may follow. */
423 		} emulation_failure;
424 		/* KVM_EXIT_OSI */
425 		struct {
426 			__u64 gprs[32];
427 		} osi;
428 		/* KVM_EXIT_PAPR_HCALL */
429 		struct {
430 			__u64 nr;
431 			__u64 ret;
432 			__u64 args[9];
433 		} papr_hcall;
434 		/* KVM_EXIT_S390_TSCH */
435 		struct {
436 			__u16 subchannel_id;
437 			__u16 subchannel_nr;
438 			__u32 io_int_parm;
439 			__u32 io_int_word;
440 			__u32 ipb;
441 			__u8 dequeued;
442 		} s390_tsch;
443 		/* KVM_EXIT_EPR */
444 		struct {
445 			__u32 epr;
446 		} epr;
447 		/* KVM_EXIT_SYSTEM_EVENT */
448 		struct {
449 #define KVM_SYSTEM_EVENT_SHUTDOWN       1
450 #define KVM_SYSTEM_EVENT_RESET          2
451 #define KVM_SYSTEM_EVENT_CRASH          3
452 #define KVM_SYSTEM_EVENT_WAKEUP         4
453 #define KVM_SYSTEM_EVENT_SUSPEND        5
454 #define KVM_SYSTEM_EVENT_SEV_TERM       6
455 			__u32 type;
456 			__u32 ndata;
457 			union {
458 				__u64 flags;
459 				__u64 data[16];
460 			};
461 		} system_event;
462 		/* KVM_EXIT_S390_STSI */
463 		struct {
464 			__u64 addr;
465 			__u8 ar;
466 			__u8 reserved;
467 			__u8 fc;
468 			__u8 sel1;
469 			__u16 sel2;
470 		} s390_stsi;
471 		/* KVM_EXIT_IOAPIC_EOI */
472 		struct {
473 			__u8 vector;
474 		} eoi;
475 		/* KVM_EXIT_HYPERV */
476 		struct kvm_hyperv_exit hyperv;
477 		/* KVM_EXIT_ARM_NISV */
478 		struct {
479 			__u64 esr_iss;
480 			__u64 fault_ipa;
481 		} arm_nisv;
482 		/* KVM_EXIT_X86_RDMSR / KVM_EXIT_X86_WRMSR */
483 		struct {
484 			__u8 error; /* user -> kernel */
485 			__u8 pad[7];
486 #define KVM_MSR_EXIT_REASON_INVAL	(1 << 0)
487 #define KVM_MSR_EXIT_REASON_UNKNOWN	(1 << 1)
488 #define KVM_MSR_EXIT_REASON_FILTER	(1 << 2)
489 #define KVM_MSR_EXIT_REASON_VALID_MASK	(KVM_MSR_EXIT_REASON_INVAL   |	\
490 					 KVM_MSR_EXIT_REASON_UNKNOWN |	\
491 					 KVM_MSR_EXIT_REASON_FILTER)
492 			__u32 reason; /* kernel -> user */
493 			__u32 index; /* kernel -> user */
494 			__u64 data; /* kernel <-> user */
495 		} msr;
496 		/* KVM_EXIT_XEN */
497 		struct kvm_xen_exit xen;
498 		/* KVM_EXIT_RISCV_SBI */
499 		struct {
500 			unsigned long extension_id;
501 			unsigned long function_id;
502 			unsigned long args[6];
503 			unsigned long ret[2];
504 		} riscv_sbi;
505 		/* KVM_EXIT_RISCV_CSR */
506 		struct {
507 			unsigned long csr_num;
508 			unsigned long new_value;
509 			unsigned long write_mask;
510 			unsigned long ret_value;
511 		} riscv_csr;
512 		/* KVM_EXIT_NOTIFY */
513 		struct {
514 #define KVM_NOTIFY_CONTEXT_INVALID	(1 << 0)
515 			__u32 flags;
516 		} notify;
517 		/* Fix the size of the union. */
518 		char padding[256];
519 	};
520 
521 	/* 2048 is the size of the char array used to bound/pad the size
522 	 * of the union that holds sync regs.
523 	 */
524 	#define SYNC_REGS_SIZE_BYTES 2048
525 	/*
526 	 * shared registers between kvm and userspace.
527 	 * kvm_valid_regs specifies the register classes set by the host
528 	 * kvm_dirty_regs specified the register classes dirtied by userspace
529 	 * struct kvm_sync_regs is architecture specific, as well as the
530 	 * bits for kvm_valid_regs and kvm_dirty_regs
531 	 */
532 	__u64 kvm_valid_regs;
533 	__u64 kvm_dirty_regs;
534 	union {
535 		struct kvm_sync_regs regs;
536 		char padding[SYNC_REGS_SIZE_BYTES];
537 	} s;
538 };
539 
540 /* for KVM_REGISTER_COALESCED_MMIO / KVM_UNREGISTER_COALESCED_MMIO */
541 
542 struct kvm_coalesced_mmio_zone {
543 	__u64 addr;
544 	__u32 size;
545 	union {
546 		__u32 pad;
547 		__u32 pio;
548 	};
549 };
550 
551 struct kvm_coalesced_mmio {
552 	__u64 phys_addr;
553 	__u32 len;
554 	union {
555 		__u32 pad;
556 		__u32 pio;
557 	};
558 	__u8  data[8];
559 };
560 
561 struct kvm_coalesced_mmio_ring {
562 	__u32 first, last;
563 	struct kvm_coalesced_mmio coalesced_mmio[];
564 };
565 
566 #define KVM_COALESCED_MMIO_MAX \
567 	((PAGE_SIZE - sizeof(struct kvm_coalesced_mmio_ring)) / \
568 	 sizeof(struct kvm_coalesced_mmio))
569 
570 /* for KVM_TRANSLATE */
571 struct kvm_translation {
572 	/* in */
573 	__u64 linear_address;
574 
575 	/* out */
576 	__u64 physical_address;
577 	__u8  valid;
578 	__u8  writeable;
579 	__u8  usermode;
580 	__u8  pad[5];
581 };
582 
583 /* for KVM_S390_MEM_OP */
584 struct kvm_s390_mem_op {
585 	/* in */
586 	__u64 gaddr;		/* the guest address */
587 	__u64 flags;		/* flags */
588 	__u32 size;		/* amount of bytes */
589 	__u32 op;		/* type of operation */
590 	__u64 buf;		/* buffer in userspace */
591 	union {
592 		struct {
593 			__u8 ar;	/* the access register number */
594 			__u8 key;	/* access key, ignored if flag unset */
595 			__u8 pad1[6];	/* ignored */
596 			__u64 old_addr;	/* ignored if cmpxchg flag unset */
597 		};
598 		__u32 sida_offset; /* offset into the sida */
599 		__u8 reserved[32]; /* ignored */
600 	};
601 };
602 /* types for kvm_s390_mem_op->op */
603 #define KVM_S390_MEMOP_LOGICAL_READ	0
604 #define KVM_S390_MEMOP_LOGICAL_WRITE	1
605 #define KVM_S390_MEMOP_SIDA_READ	2
606 #define KVM_S390_MEMOP_SIDA_WRITE	3
607 #define KVM_S390_MEMOP_ABSOLUTE_READ	4
608 #define KVM_S390_MEMOP_ABSOLUTE_WRITE	5
609 #define KVM_S390_MEMOP_ABSOLUTE_CMPXCHG	6
610 
611 /* flags for kvm_s390_mem_op->flags */
612 #define KVM_S390_MEMOP_F_CHECK_ONLY		(1ULL << 0)
613 #define KVM_S390_MEMOP_F_INJECT_EXCEPTION	(1ULL << 1)
614 #define KVM_S390_MEMOP_F_SKEY_PROTECTION	(1ULL << 2)
615 
616 /* flags specifying extension support via KVM_CAP_S390_MEM_OP_EXTENSION */
617 #define KVM_S390_MEMOP_EXTENSION_CAP_BASE	(1 << 0)
618 #define KVM_S390_MEMOP_EXTENSION_CAP_CMPXCHG	(1 << 1)
619 
620 /* for KVM_INTERRUPT */
621 struct kvm_interrupt {
622 	/* in */
623 	__u32 irq;
624 };
625 
626 /* for KVM_GET_DIRTY_LOG */
627 struct kvm_dirty_log {
628 	__u32 slot;
629 	__u32 padding1;
630 	union {
631 		void *dirty_bitmap; /* one bit per page */
632 		__u64 padding2;
633 	};
634 };
635 
636 /* for KVM_CLEAR_DIRTY_LOG */
637 struct kvm_clear_dirty_log {
638 	__u32 slot;
639 	__u32 num_pages;
640 	__u64 first_page;
641 	union {
642 		void *dirty_bitmap; /* one bit per page */
643 		__u64 padding2;
644 	};
645 };
646 
647 /* for KVM_SET_SIGNAL_MASK */
648 struct kvm_signal_mask {
649 	__u32 len;
650 	__u8  sigset[];
651 };
652 
653 /* for KVM_TPR_ACCESS_REPORTING */
654 struct kvm_tpr_access_ctl {
655 	__u32 enabled;
656 	__u32 flags;
657 	__u32 reserved[8];
658 };
659 
660 /* for KVM_SET_VAPIC_ADDR */
661 struct kvm_vapic_addr {
662 	__u64 vapic_addr;
663 };
664 
665 /* for KVM_SET_MP_STATE */
666 
667 /* not all states are valid on all architectures */
668 #define KVM_MP_STATE_RUNNABLE          0
669 #define KVM_MP_STATE_UNINITIALIZED     1
670 #define KVM_MP_STATE_INIT_RECEIVED     2
671 #define KVM_MP_STATE_HALTED            3
672 #define KVM_MP_STATE_SIPI_RECEIVED     4
673 #define KVM_MP_STATE_STOPPED           5
674 #define KVM_MP_STATE_CHECK_STOP        6
675 #define KVM_MP_STATE_OPERATING         7
676 #define KVM_MP_STATE_LOAD              8
677 #define KVM_MP_STATE_AP_RESET_HOLD     9
678 #define KVM_MP_STATE_SUSPENDED         10
679 
680 struct kvm_mp_state {
681 	__u32 mp_state;
682 };
683 
684 struct kvm_s390_psw {
685 	__u64 mask;
686 	__u64 addr;
687 };
688 
689 /* valid values for type in kvm_s390_interrupt */
690 #define KVM_S390_SIGP_STOP		0xfffe0000u
691 #define KVM_S390_PROGRAM_INT		0xfffe0001u
692 #define KVM_S390_SIGP_SET_PREFIX	0xfffe0002u
693 #define KVM_S390_RESTART		0xfffe0003u
694 #define KVM_S390_INT_PFAULT_INIT	0xfffe0004u
695 #define KVM_S390_INT_PFAULT_DONE	0xfffe0005u
696 #define KVM_S390_MCHK			0xfffe1000u
697 #define KVM_S390_INT_CLOCK_COMP		0xffff1004u
698 #define KVM_S390_INT_CPU_TIMER		0xffff1005u
699 #define KVM_S390_INT_VIRTIO		0xffff2603u
700 #define KVM_S390_INT_SERVICE		0xffff2401u
701 #define KVM_S390_INT_EMERGENCY		0xffff1201u
702 #define KVM_S390_INT_EXTERNAL_CALL	0xffff1202u
703 /* Anything below 0xfffe0000u is taken by INT_IO */
704 #define KVM_S390_INT_IO(ai,cssid,ssid,schid)   \
705 	(((schid)) |			       \
706 	 ((ssid) << 16) |		       \
707 	 ((cssid) << 18) |		       \
708 	 ((ai) << 26))
709 #define KVM_S390_INT_IO_MIN		0x00000000u
710 #define KVM_S390_INT_IO_MAX		0xfffdffffu
711 #define KVM_S390_INT_IO_AI_MASK		0x04000000u
712 
713 
714 struct kvm_s390_interrupt {
715 	__u32 type;
716 	__u32 parm;
717 	__u64 parm64;
718 };
719 
720 struct kvm_s390_io_info {
721 	__u16 subchannel_id;
722 	__u16 subchannel_nr;
723 	__u32 io_int_parm;
724 	__u32 io_int_word;
725 };
726 
727 struct kvm_s390_ext_info {
728 	__u32 ext_params;
729 	__u32 pad;
730 	__u64 ext_params2;
731 };
732 
733 struct kvm_s390_pgm_info {
734 	__u64 trans_exc_code;
735 	__u64 mon_code;
736 	__u64 per_address;
737 	__u32 data_exc_code;
738 	__u16 code;
739 	__u16 mon_class_nr;
740 	__u8 per_code;
741 	__u8 per_atmid;
742 	__u8 exc_access_id;
743 	__u8 per_access_id;
744 	__u8 op_access_id;
745 #define KVM_S390_PGM_FLAGS_ILC_VALID	0x01
746 #define KVM_S390_PGM_FLAGS_ILC_0	0x02
747 #define KVM_S390_PGM_FLAGS_ILC_1	0x04
748 #define KVM_S390_PGM_FLAGS_ILC_MASK	0x06
749 #define KVM_S390_PGM_FLAGS_NO_REWIND	0x08
750 	__u8 flags;
751 	__u8 pad[2];
752 };
753 
754 struct kvm_s390_prefix_info {
755 	__u32 address;
756 };
757 
758 struct kvm_s390_extcall_info {
759 	__u16 code;
760 };
761 
762 struct kvm_s390_emerg_info {
763 	__u16 code;
764 };
765 
766 #define KVM_S390_STOP_FLAG_STORE_STATUS	0x01
767 struct kvm_s390_stop_info {
768 	__u32 flags;
769 };
770 
771 struct kvm_s390_mchk_info {
772 	__u64 cr14;
773 	__u64 mcic;
774 	__u64 failing_storage_address;
775 	__u32 ext_damage_code;
776 	__u32 pad;
777 	__u8 fixed_logout[16];
778 };
779 
780 struct kvm_s390_irq {
781 	__u64 type;
782 	union {
783 		struct kvm_s390_io_info io;
784 		struct kvm_s390_ext_info ext;
785 		struct kvm_s390_pgm_info pgm;
786 		struct kvm_s390_emerg_info emerg;
787 		struct kvm_s390_extcall_info extcall;
788 		struct kvm_s390_prefix_info prefix;
789 		struct kvm_s390_stop_info stop;
790 		struct kvm_s390_mchk_info mchk;
791 		char reserved[64];
792 	} u;
793 };
794 
795 struct kvm_s390_irq_state {
796 	__u64 buf;
797 	__u32 flags;        /* will stay unused for compatibility reasons */
798 	__u32 len;
799 	__u32 reserved[4];  /* will stay unused for compatibility reasons */
800 };
801 
802 /* for KVM_SET_GUEST_DEBUG */
803 
804 #define KVM_GUESTDBG_ENABLE		0x00000001
805 #define KVM_GUESTDBG_SINGLESTEP		0x00000002
806 
807 struct kvm_guest_debug {
808 	__u32 control;
809 	__u32 pad;
810 	struct kvm_guest_debug_arch arch;
811 };
812 
813 enum {
814 	kvm_ioeventfd_flag_nr_datamatch,
815 	kvm_ioeventfd_flag_nr_pio,
816 	kvm_ioeventfd_flag_nr_deassign,
817 	kvm_ioeventfd_flag_nr_virtio_ccw_notify,
818 	kvm_ioeventfd_flag_nr_fast_mmio,
819 	kvm_ioeventfd_flag_nr_max,
820 };
821 
822 #define KVM_IOEVENTFD_FLAG_DATAMATCH (1 << kvm_ioeventfd_flag_nr_datamatch)
823 #define KVM_IOEVENTFD_FLAG_PIO       (1 << kvm_ioeventfd_flag_nr_pio)
824 #define KVM_IOEVENTFD_FLAG_DEASSIGN  (1 << kvm_ioeventfd_flag_nr_deassign)
825 #define KVM_IOEVENTFD_FLAG_VIRTIO_CCW_NOTIFY \
826 	(1 << kvm_ioeventfd_flag_nr_virtio_ccw_notify)
827 
828 #define KVM_IOEVENTFD_VALID_FLAG_MASK  ((1 << kvm_ioeventfd_flag_nr_max) - 1)
829 
830 struct kvm_ioeventfd {
831 	__u64 datamatch;
832 	__u64 addr;        /* legal pio/mmio address */
833 	__u32 len;         /* 1, 2, 4, or 8 bytes; or 0 to ignore length */
834 	__s32 fd;
835 	__u32 flags;
836 	__u8  pad[36];
837 };
838 
839 #define KVM_X86_DISABLE_EXITS_MWAIT          (1 << 0)
840 #define KVM_X86_DISABLE_EXITS_HLT            (1 << 1)
841 #define KVM_X86_DISABLE_EXITS_PAUSE          (1 << 2)
842 #define KVM_X86_DISABLE_EXITS_CSTATE         (1 << 3)
843 #define KVM_X86_DISABLE_VALID_EXITS          (KVM_X86_DISABLE_EXITS_MWAIT | \
844                                               KVM_X86_DISABLE_EXITS_HLT | \
845                                               KVM_X86_DISABLE_EXITS_PAUSE | \
846                                               KVM_X86_DISABLE_EXITS_CSTATE)
847 
848 /* for KVM_ENABLE_CAP */
849 struct kvm_enable_cap {
850 	/* in */
851 	__u32 cap;
852 	__u32 flags;
853 	__u64 args[4];
854 	__u8  pad[64];
855 };
856 
857 /* for KVM_PPC_GET_PVINFO */
858 
859 #define KVM_PPC_PVINFO_FLAGS_EV_IDLE   (1<<0)
860 
861 struct kvm_ppc_pvinfo {
862 	/* out */
863 	__u32 flags;
864 	__u32 hcall[4];
865 	__u8  pad[108];
866 };
867 
868 /* for KVM_PPC_GET_SMMU_INFO */
869 #define KVM_PPC_PAGE_SIZES_MAX_SZ	8
870 
871 struct kvm_ppc_one_page_size {
872 	__u32 page_shift;	/* Page shift (or 0) */
873 	__u32 pte_enc;		/* Encoding in the HPTE (>>12) */
874 };
875 
876 struct kvm_ppc_one_seg_page_size {
877 	__u32 page_shift;	/* Base page shift of segment (or 0) */
878 	__u32 slb_enc;		/* SLB encoding for BookS */
879 	struct kvm_ppc_one_page_size enc[KVM_PPC_PAGE_SIZES_MAX_SZ];
880 };
881 
882 #define KVM_PPC_PAGE_SIZES_REAL		0x00000001
883 #define KVM_PPC_1T_SEGMENTS		0x00000002
884 #define KVM_PPC_NO_HASH			0x00000004
885 
886 struct kvm_ppc_smmu_info {
887 	__u64 flags;
888 	__u32 slb_size;
889 	__u16 data_keys;	/* # storage keys supported for data */
890 	__u16 instr_keys;	/* # storage keys supported for instructions */
891 	struct kvm_ppc_one_seg_page_size sps[KVM_PPC_PAGE_SIZES_MAX_SZ];
892 };
893 
894 /* for KVM_PPC_RESIZE_HPT_{PREPARE,COMMIT} */
895 struct kvm_ppc_resize_hpt {
896 	__u64 flags;
897 	__u32 shift;
898 	__u32 pad;
899 };
900 
901 #define KVMIO 0xAE
902 
903 /* machine type bits, to be used as argument to KVM_CREATE_VM */
904 #define KVM_VM_S390_UCONTROL	1
905 
906 /* on ppc, 0 indicate default, 1 should force HV and 2 PR */
907 #define KVM_VM_PPC_HV 1
908 #define KVM_VM_PPC_PR 2
909 
910 /* on MIPS, 0 indicates auto, 1 forces VZ ASE, 2 forces trap & emulate */
911 #define KVM_VM_MIPS_AUTO	0
912 #define KVM_VM_MIPS_VZ		1
913 #define KVM_VM_MIPS_TE		2
914 
915 #define KVM_S390_SIE_PAGE_OFFSET 1
916 
917 /*
918  * On arm64, machine type can be used to request the physical
919  * address size for the VM. Bits[7-0] are reserved for the guest
920  * PA size shift (i.e, log2(PA_Size)). For backward compatibility,
921  * value 0 implies the default IPA size, 40bits.
922  */
923 #define KVM_VM_TYPE_ARM_IPA_SIZE_MASK	0xffULL
924 #define KVM_VM_TYPE_ARM_IPA_SIZE(x)		\
925 	((x) & KVM_VM_TYPE_ARM_IPA_SIZE_MASK)
926 /*
927  * ioctls for /dev/kvm fds:
928  */
929 #define KVM_GET_API_VERSION       _IO(KVMIO,   0x00)
930 #define KVM_CREATE_VM             _IO(KVMIO,   0x01) /* returns a VM fd */
931 #define KVM_GET_MSR_INDEX_LIST    _IOWR(KVMIO, 0x02, struct kvm_msr_list)
932 
933 #define KVM_S390_ENABLE_SIE       _IO(KVMIO,   0x06)
934 /*
935  * Check if a kvm extension is available.  Argument is extension number,
936  * return is 1 (yes) or 0 (no, sorry).
937  */
938 #define KVM_CHECK_EXTENSION       _IO(KVMIO,   0x03)
939 /*
940  * Get size for mmap(vcpu_fd)
941  */
942 #define KVM_GET_VCPU_MMAP_SIZE    _IO(KVMIO,   0x04) /* in bytes */
943 #define KVM_GET_SUPPORTED_CPUID   _IOWR(KVMIO, 0x05, struct kvm_cpuid2)
944 #define KVM_TRACE_ENABLE          __KVM_DEPRECATED_MAIN_W_0x06
945 #define KVM_TRACE_PAUSE           __KVM_DEPRECATED_MAIN_0x07
946 #define KVM_TRACE_DISABLE         __KVM_DEPRECATED_MAIN_0x08
947 #define KVM_GET_EMULATED_CPUID	  _IOWR(KVMIO, 0x09, struct kvm_cpuid2)
948 #define KVM_GET_MSR_FEATURE_INDEX_LIST    _IOWR(KVMIO, 0x0a, struct kvm_msr_list)
949 
950 /*
951  * Extension capability list.
952  */
953 #define KVM_CAP_IRQCHIP	  0
954 #define KVM_CAP_HLT	  1
955 #define KVM_CAP_MMU_SHADOW_CACHE_CONTROL 2
956 #define KVM_CAP_USER_MEMORY 3
957 #define KVM_CAP_SET_TSS_ADDR 4
958 #define KVM_CAP_VAPIC 6
959 #define KVM_CAP_EXT_CPUID 7
960 #define KVM_CAP_CLOCKSOURCE 8
961 #define KVM_CAP_NR_VCPUS 9       /* returns recommended max vcpus per vm */
962 #define KVM_CAP_NR_MEMSLOTS 10   /* returns max memory slots per vm */
963 #define KVM_CAP_PIT 11
964 #define KVM_CAP_NOP_IO_DELAY 12
965 #define KVM_CAP_PV_MMU 13
966 #define KVM_CAP_MP_STATE 14
967 #define KVM_CAP_COALESCED_MMIO 15
968 #define KVM_CAP_SYNC_MMU 16  /* Changes to host mmap are reflected in guest */
969 #define KVM_CAP_IOMMU 18
970 /* Bug in KVM_SET_USER_MEMORY_REGION fixed: */
971 #define KVM_CAP_DESTROY_MEMORY_REGION_WORKS 21
972 #define KVM_CAP_USER_NMI 22
973 #ifdef __KVM_HAVE_GUEST_DEBUG
974 #define KVM_CAP_SET_GUEST_DEBUG 23
975 #endif
976 #ifdef __KVM_HAVE_PIT
977 #define KVM_CAP_REINJECT_CONTROL 24
978 #endif
979 #define KVM_CAP_IRQ_ROUTING 25
980 #define KVM_CAP_IRQ_INJECT_STATUS 26
981 #define KVM_CAP_ASSIGN_DEV_IRQ 29
982 /* Another bug in KVM_SET_USER_MEMORY_REGION fixed: */
983 #define KVM_CAP_JOIN_MEMORY_REGIONS_WORKS 30
984 #ifdef __KVM_HAVE_MCE
985 #define KVM_CAP_MCE 31
986 #endif
987 #define KVM_CAP_IRQFD 32
988 #ifdef __KVM_HAVE_PIT
989 #define KVM_CAP_PIT2 33
990 #endif
991 #define KVM_CAP_SET_BOOT_CPU_ID 34
992 #ifdef __KVM_HAVE_PIT_STATE2
993 #define KVM_CAP_PIT_STATE2 35
994 #endif
995 #define KVM_CAP_IOEVENTFD 36
996 #define KVM_CAP_SET_IDENTITY_MAP_ADDR 37
997 #ifdef __KVM_HAVE_XEN_HVM
998 #define KVM_CAP_XEN_HVM 38
999 #endif
1000 #define KVM_CAP_ADJUST_CLOCK 39
1001 #define KVM_CAP_INTERNAL_ERROR_DATA 40
1002 #ifdef __KVM_HAVE_VCPU_EVENTS
1003 #define KVM_CAP_VCPU_EVENTS 41
1004 #endif
1005 #define KVM_CAP_S390_PSW 42
1006 #define KVM_CAP_PPC_SEGSTATE 43
1007 #define KVM_CAP_HYPERV 44
1008 #define KVM_CAP_HYPERV_VAPIC 45
1009 #define KVM_CAP_HYPERV_SPIN 46
1010 #define KVM_CAP_PCI_SEGMENT 47
1011 #define KVM_CAP_PPC_PAIRED_SINGLES 48
1012 #define KVM_CAP_INTR_SHADOW 49
1013 #ifdef __KVM_HAVE_DEBUGREGS
1014 #define KVM_CAP_DEBUGREGS 50
1015 #endif
1016 #define KVM_CAP_X86_ROBUST_SINGLESTEP 51
1017 #define KVM_CAP_PPC_OSI 52
1018 #define KVM_CAP_PPC_UNSET_IRQ 53
1019 #define KVM_CAP_ENABLE_CAP 54
1020 #ifdef __KVM_HAVE_XSAVE
1021 #define KVM_CAP_XSAVE 55
1022 #endif
1023 #ifdef __KVM_HAVE_XCRS
1024 #define KVM_CAP_XCRS 56
1025 #endif
1026 #define KVM_CAP_PPC_GET_PVINFO 57
1027 #define KVM_CAP_PPC_IRQ_LEVEL 58
1028 #define KVM_CAP_ASYNC_PF 59
1029 #define KVM_CAP_TSC_CONTROL 60
1030 #define KVM_CAP_GET_TSC_KHZ 61
1031 #define KVM_CAP_PPC_BOOKE_SREGS 62
1032 #define KVM_CAP_SPAPR_TCE 63
1033 #define KVM_CAP_PPC_SMT 64
1034 #define KVM_CAP_PPC_RMA	65
1035 #define KVM_CAP_MAX_VCPUS 66       /* returns max vcpus per vm */
1036 #define KVM_CAP_PPC_HIOR 67
1037 #define KVM_CAP_PPC_PAPR 68
1038 #define KVM_CAP_SW_TLB 69
1039 #define KVM_CAP_ONE_REG 70
1040 #define KVM_CAP_S390_GMAP 71
1041 #define KVM_CAP_TSC_DEADLINE_TIMER 72
1042 #define KVM_CAP_S390_UCONTROL 73
1043 #define KVM_CAP_SYNC_REGS 74
1044 #define KVM_CAP_PCI_2_3 75
1045 #define KVM_CAP_KVMCLOCK_CTRL 76
1046 #define KVM_CAP_SIGNAL_MSI 77
1047 #define KVM_CAP_PPC_GET_SMMU_INFO 78
1048 #define KVM_CAP_S390_COW 79
1049 #define KVM_CAP_PPC_ALLOC_HTAB 80
1050 #define KVM_CAP_READONLY_MEM 81
1051 #define KVM_CAP_IRQFD_RESAMPLE 82
1052 #define KVM_CAP_PPC_BOOKE_WATCHDOG 83
1053 #define KVM_CAP_PPC_HTAB_FD 84
1054 #define KVM_CAP_S390_CSS_SUPPORT 85
1055 #define KVM_CAP_PPC_EPR 86
1056 #define KVM_CAP_ARM_PSCI 87
1057 #define KVM_CAP_ARM_SET_DEVICE_ADDR 88
1058 #define KVM_CAP_DEVICE_CTRL 89
1059 #define KVM_CAP_IRQ_MPIC 90
1060 #define KVM_CAP_PPC_RTAS 91
1061 #define KVM_CAP_IRQ_XICS 92
1062 #define KVM_CAP_ARM_EL1_32BIT 93
1063 #define KVM_CAP_SPAPR_MULTITCE 94
1064 #define KVM_CAP_EXT_EMUL_CPUID 95
1065 #define KVM_CAP_HYPERV_TIME 96
1066 #define KVM_CAP_IOAPIC_POLARITY_IGNORED 97
1067 #define KVM_CAP_ENABLE_CAP_VM 98
1068 #define KVM_CAP_S390_IRQCHIP 99
1069 #define KVM_CAP_IOEVENTFD_NO_LENGTH 100
1070 #define KVM_CAP_VM_ATTRIBUTES 101
1071 #define KVM_CAP_ARM_PSCI_0_2 102
1072 #define KVM_CAP_PPC_FIXUP_HCALL 103
1073 #define KVM_CAP_PPC_ENABLE_HCALL 104
1074 #define KVM_CAP_CHECK_EXTENSION_VM 105
1075 #define KVM_CAP_S390_USER_SIGP 106
1076 #define KVM_CAP_S390_VECTOR_REGISTERS 107
1077 #define KVM_CAP_S390_MEM_OP 108
1078 #define KVM_CAP_S390_USER_STSI 109
1079 #define KVM_CAP_S390_SKEYS 110
1080 #define KVM_CAP_MIPS_FPU 111
1081 #define KVM_CAP_MIPS_MSA 112
1082 #define KVM_CAP_S390_INJECT_IRQ 113
1083 #define KVM_CAP_S390_IRQ_STATE 114
1084 #define KVM_CAP_PPC_HWRNG 115
1085 #define KVM_CAP_DISABLE_QUIRKS 116
1086 #define KVM_CAP_X86_SMM 117
1087 #define KVM_CAP_MULTI_ADDRESS_SPACE 118
1088 #define KVM_CAP_GUEST_DEBUG_HW_BPS 119
1089 #define KVM_CAP_GUEST_DEBUG_HW_WPS 120
1090 #define KVM_CAP_SPLIT_IRQCHIP 121
1091 #define KVM_CAP_IOEVENTFD_ANY_LENGTH 122
1092 #define KVM_CAP_HYPERV_SYNIC 123
1093 #define KVM_CAP_S390_RI 124
1094 #define KVM_CAP_SPAPR_TCE_64 125
1095 #define KVM_CAP_ARM_PMU_V3 126
1096 #define KVM_CAP_VCPU_ATTRIBUTES 127
1097 #define KVM_CAP_MAX_VCPU_ID 128
1098 #define KVM_CAP_X2APIC_API 129
1099 #define KVM_CAP_S390_USER_INSTR0 130
1100 #define KVM_CAP_MSI_DEVID 131
1101 #define KVM_CAP_PPC_HTM 132
1102 #define KVM_CAP_SPAPR_RESIZE_HPT 133
1103 #define KVM_CAP_PPC_MMU_RADIX 134
1104 #define KVM_CAP_PPC_MMU_HASH_V3 135
1105 #define KVM_CAP_IMMEDIATE_EXIT 136
1106 #define KVM_CAP_MIPS_VZ 137
1107 #define KVM_CAP_MIPS_TE 138
1108 #define KVM_CAP_MIPS_64BIT 139
1109 #define KVM_CAP_S390_GS 140
1110 #define KVM_CAP_S390_AIS 141
1111 #define KVM_CAP_SPAPR_TCE_VFIO 142
1112 #define KVM_CAP_X86_DISABLE_EXITS 143
1113 #define KVM_CAP_ARM_USER_IRQ 144
1114 #define KVM_CAP_S390_CMMA_MIGRATION 145
1115 #define KVM_CAP_PPC_FWNMI 146
1116 #define KVM_CAP_PPC_SMT_POSSIBLE 147
1117 #define KVM_CAP_HYPERV_SYNIC2 148
1118 #define KVM_CAP_HYPERV_VP_INDEX 149
1119 #define KVM_CAP_S390_AIS_MIGRATION 150
1120 #define KVM_CAP_PPC_GET_CPU_CHAR 151
1121 #define KVM_CAP_S390_BPB 152
1122 #define KVM_CAP_GET_MSR_FEATURES 153
1123 #define KVM_CAP_HYPERV_EVENTFD 154
1124 #define KVM_CAP_HYPERV_TLBFLUSH 155
1125 #define KVM_CAP_S390_HPAGE_1M 156
1126 #define KVM_CAP_NESTED_STATE 157
1127 #define KVM_CAP_ARM_INJECT_SERROR_ESR 158
1128 #define KVM_CAP_MSR_PLATFORM_INFO 159
1129 #define KVM_CAP_PPC_NESTED_HV 160
1130 #define KVM_CAP_HYPERV_SEND_IPI 161
1131 #define KVM_CAP_COALESCED_PIO 162
1132 #define KVM_CAP_HYPERV_ENLIGHTENED_VMCS 163
1133 #define KVM_CAP_EXCEPTION_PAYLOAD 164
1134 #define KVM_CAP_ARM_VM_IPA_SIZE 165
1135 #define KVM_CAP_MANUAL_DIRTY_LOG_PROTECT 166 /* Obsolete */
1136 #define KVM_CAP_HYPERV_CPUID 167
1137 #define KVM_CAP_MANUAL_DIRTY_LOG_PROTECT2 168
1138 #define KVM_CAP_PPC_IRQ_XIVE 169
1139 #define KVM_CAP_ARM_SVE 170
1140 #define KVM_CAP_ARM_PTRAUTH_ADDRESS 171
1141 #define KVM_CAP_ARM_PTRAUTH_GENERIC 172
1142 #define KVM_CAP_PMU_EVENT_FILTER 173
1143 #define KVM_CAP_ARM_IRQ_LINE_LAYOUT_2 174
1144 #define KVM_CAP_HYPERV_DIRECT_TLBFLUSH 175
1145 #define KVM_CAP_PPC_GUEST_DEBUG_SSTEP 176
1146 #define KVM_CAP_ARM_NISV_TO_USER 177
1147 #define KVM_CAP_ARM_INJECT_EXT_DABT 178
1148 #define KVM_CAP_S390_VCPU_RESETS 179
1149 #define KVM_CAP_S390_PROTECTED 180
1150 #define KVM_CAP_PPC_SECURE_GUEST 181
1151 #define KVM_CAP_HALT_POLL 182
1152 #define KVM_CAP_ASYNC_PF_INT 183
1153 #define KVM_CAP_LAST_CPU 184
1154 #define KVM_CAP_SMALLER_MAXPHYADDR 185
1155 #define KVM_CAP_S390_DIAG318 186
1156 #define KVM_CAP_STEAL_TIME 187
1157 #define KVM_CAP_X86_USER_SPACE_MSR 188
1158 #define KVM_CAP_X86_MSR_FILTER 189
1159 #define KVM_CAP_ENFORCE_PV_FEATURE_CPUID 190
1160 #define KVM_CAP_SYS_HYPERV_CPUID 191
1161 #define KVM_CAP_DIRTY_LOG_RING 192
1162 #define KVM_CAP_X86_BUS_LOCK_EXIT 193
1163 #define KVM_CAP_PPC_DAWR1 194
1164 #define KVM_CAP_SET_GUEST_DEBUG2 195
1165 #define KVM_CAP_SGX_ATTRIBUTE 196
1166 #define KVM_CAP_VM_COPY_ENC_CONTEXT_FROM 197
1167 #define KVM_CAP_PTP_KVM 198
1168 #define KVM_CAP_HYPERV_ENFORCE_CPUID 199
1169 #define KVM_CAP_SREGS2 200
1170 #define KVM_CAP_EXIT_HYPERCALL 201
1171 #define KVM_CAP_PPC_RPT_INVALIDATE 202
1172 #define KVM_CAP_BINARY_STATS_FD 203
1173 #define KVM_CAP_EXIT_ON_EMULATION_FAILURE 204
1174 #define KVM_CAP_ARM_MTE 205
1175 #define KVM_CAP_VM_MOVE_ENC_CONTEXT_FROM 206
1176 #define KVM_CAP_VM_GPA_BITS 207
1177 #define KVM_CAP_XSAVE2 208
1178 #define KVM_CAP_SYS_ATTRIBUTES 209
1179 #define KVM_CAP_PPC_AIL_MODE_3 210
1180 #define KVM_CAP_S390_MEM_OP_EXTENSION 211
1181 #define KVM_CAP_PMU_CAPABILITY 212
1182 #define KVM_CAP_DISABLE_QUIRKS2 213
1183 #define KVM_CAP_VM_TSC_CONTROL 214
1184 #define KVM_CAP_SYSTEM_EVENT_DATA 215
1185 #define KVM_CAP_ARM_SYSTEM_SUSPEND 216
1186 #define KVM_CAP_S390_PROTECTED_DUMP 217
1187 #define KVM_CAP_X86_TRIPLE_FAULT_EVENT 218
1188 #define KVM_CAP_X86_NOTIFY_VMEXIT 219
1189 #define KVM_CAP_VM_DISABLE_NX_HUGE_PAGES 220
1190 #define KVM_CAP_S390_ZPCI_OP 221
1191 #define KVM_CAP_S390_CPU_TOPOLOGY 222
1192 #define KVM_CAP_DIRTY_LOG_RING_ACQ_REL 223
1193 #define KVM_CAP_S390_PROTECTED_ASYNC_DISABLE 224
1194 #define KVM_CAP_DIRTY_LOG_RING_WITH_BITMAP 225
1195 #define KVM_CAP_PMU_EVENT_MASKED_EVENTS 226
1196 #define KVM_CAP_COUNTER_OFFSET 227
1197 #define KVM_CAP_ARM_EAGER_SPLIT_CHUNK_SIZE 228
1198 #define KVM_CAP_ARM_SUPPORTED_BLOCK_SIZES 229
1199 #define KVM_CAP_ARM_SUPPORTED_REG_MASK_RANGES 230
1200 
1201 #ifdef KVM_CAP_IRQ_ROUTING
1202 
1203 struct kvm_irq_routing_irqchip {
1204 	__u32 irqchip;
1205 	__u32 pin;
1206 };
1207 
1208 struct kvm_irq_routing_msi {
1209 	__u32 address_lo;
1210 	__u32 address_hi;
1211 	__u32 data;
1212 	union {
1213 		__u32 pad;
1214 		__u32 devid;
1215 	};
1216 };
1217 
1218 struct kvm_irq_routing_s390_adapter {
1219 	__u64 ind_addr;
1220 	__u64 summary_addr;
1221 	__u64 ind_offset;
1222 	__u32 summary_offset;
1223 	__u32 adapter_id;
1224 };
1225 
1226 struct kvm_irq_routing_hv_sint {
1227 	__u32 vcpu;
1228 	__u32 sint;
1229 };
1230 
1231 struct kvm_irq_routing_xen_evtchn {
1232 	__u32 port;
1233 	__u32 vcpu;
1234 	__u32 priority;
1235 };
1236 
1237 #define KVM_IRQ_ROUTING_XEN_EVTCHN_PRIO_2LEVEL ((__u32)(-1))
1238 
1239 /* gsi routing entry types */
1240 #define KVM_IRQ_ROUTING_IRQCHIP 1
1241 #define KVM_IRQ_ROUTING_MSI 2
1242 #define KVM_IRQ_ROUTING_S390_ADAPTER 3
1243 #define KVM_IRQ_ROUTING_HV_SINT 4
1244 #define KVM_IRQ_ROUTING_XEN_EVTCHN 5
1245 
1246 struct kvm_irq_routing_entry {
1247 	__u32 gsi;
1248 	__u32 type;
1249 	__u32 flags;
1250 	__u32 pad;
1251 	union {
1252 		struct kvm_irq_routing_irqchip irqchip;
1253 		struct kvm_irq_routing_msi msi;
1254 		struct kvm_irq_routing_s390_adapter adapter;
1255 		struct kvm_irq_routing_hv_sint hv_sint;
1256 		struct kvm_irq_routing_xen_evtchn xen_evtchn;
1257 		__u32 pad[8];
1258 	} u;
1259 };
1260 
1261 struct kvm_irq_routing {
1262 	__u32 nr;
1263 	__u32 flags;
1264 	struct kvm_irq_routing_entry entries[];
1265 };
1266 
1267 #endif
1268 
1269 #ifdef KVM_CAP_MCE
1270 /* x86 MCE */
1271 struct kvm_x86_mce {
1272 	__u64 status;
1273 	__u64 addr;
1274 	__u64 misc;
1275 	__u64 mcg_status;
1276 	__u8 bank;
1277 	__u8 pad1[7];
1278 	__u64 pad2[3];
1279 };
1280 #endif
1281 
1282 #ifdef KVM_CAP_XEN_HVM
1283 #define KVM_XEN_HVM_CONFIG_HYPERCALL_MSR	(1 << 0)
1284 #define KVM_XEN_HVM_CONFIG_INTERCEPT_HCALL	(1 << 1)
1285 #define KVM_XEN_HVM_CONFIG_SHARED_INFO		(1 << 2)
1286 #define KVM_XEN_HVM_CONFIG_RUNSTATE		(1 << 3)
1287 #define KVM_XEN_HVM_CONFIG_EVTCHN_2LEVEL	(1 << 4)
1288 #define KVM_XEN_HVM_CONFIG_EVTCHN_SEND		(1 << 5)
1289 #define KVM_XEN_HVM_CONFIG_RUNSTATE_UPDATE_FLAG	(1 << 6)
1290 
1291 struct kvm_xen_hvm_config {
1292 	__u32 flags;
1293 	__u32 msr;
1294 	__u64 blob_addr_32;
1295 	__u64 blob_addr_64;
1296 	__u8 blob_size_32;
1297 	__u8 blob_size_64;
1298 	__u8 pad2[30];
1299 };
1300 #endif
1301 
1302 #define KVM_IRQFD_FLAG_DEASSIGN (1 << 0)
1303 /*
1304  * Available with KVM_CAP_IRQFD_RESAMPLE
1305  *
1306  * KVM_IRQFD_FLAG_RESAMPLE indicates resamplefd is valid and specifies
1307  * the irqfd to operate in resampling mode for level triggered interrupt
1308  * emulation.  See Documentation/virt/kvm/api.rst.
1309  */
1310 #define KVM_IRQFD_FLAG_RESAMPLE (1 << 1)
1311 
1312 struct kvm_irqfd {
1313 	__u32 fd;
1314 	__u32 gsi;
1315 	__u32 flags;
1316 	__u32 resamplefd;
1317 	__u8  pad[16];
1318 };
1319 
1320 /* For KVM_CAP_ADJUST_CLOCK */
1321 
1322 /* Do not use 1, KVM_CHECK_EXTENSION returned it before we had flags.  */
1323 #define KVM_CLOCK_TSC_STABLE		2
1324 #define KVM_CLOCK_REALTIME		(1 << 2)
1325 #define KVM_CLOCK_HOST_TSC		(1 << 3)
1326 
1327 struct kvm_clock_data {
1328 	__u64 clock;
1329 	__u32 flags;
1330 	__u32 pad0;
1331 	__u64 realtime;
1332 	__u64 host_tsc;
1333 	__u32 pad[4];
1334 };
1335 
1336 /* For KVM_CAP_SW_TLB */
1337 
1338 #define KVM_MMU_FSL_BOOKE_NOHV		0
1339 #define KVM_MMU_FSL_BOOKE_HV		1
1340 
1341 struct kvm_config_tlb {
1342 	__u64 params;
1343 	__u64 array;
1344 	__u32 mmu_type;
1345 	__u32 array_len;
1346 };
1347 
1348 struct kvm_dirty_tlb {
1349 	__u64 bitmap;
1350 	__u32 num_dirty;
1351 };
1352 
1353 /* Available with KVM_CAP_ONE_REG */
1354 
1355 #define KVM_REG_ARCH_MASK	0xff00000000000000ULL
1356 #define KVM_REG_GENERIC		0x0000000000000000ULL
1357 
1358 /*
1359  * Architecture specific registers are to be defined in arch headers and
1360  * ORed with the arch identifier.
1361  */
1362 #define KVM_REG_PPC		0x1000000000000000ULL
1363 #define KVM_REG_X86		0x2000000000000000ULL
1364 #define KVM_REG_IA64		0x3000000000000000ULL
1365 #define KVM_REG_ARM		0x4000000000000000ULL
1366 #define KVM_REG_S390		0x5000000000000000ULL
1367 #define KVM_REG_ARM64		0x6000000000000000ULL
1368 #define KVM_REG_MIPS		0x7000000000000000ULL
1369 #define KVM_REG_RISCV		0x8000000000000000ULL
1370 #define KVM_REG_LOONGARCH	0x9000000000000000ULL
1371 
1372 #define KVM_REG_SIZE_SHIFT	52
1373 #define KVM_REG_SIZE_MASK	0x00f0000000000000ULL
1374 #define KVM_REG_SIZE_U8		0x0000000000000000ULL
1375 #define KVM_REG_SIZE_U16	0x0010000000000000ULL
1376 #define KVM_REG_SIZE_U32	0x0020000000000000ULL
1377 #define KVM_REG_SIZE_U64	0x0030000000000000ULL
1378 #define KVM_REG_SIZE_U128	0x0040000000000000ULL
1379 #define KVM_REG_SIZE_U256	0x0050000000000000ULL
1380 #define KVM_REG_SIZE_U512	0x0060000000000000ULL
1381 #define KVM_REG_SIZE_U1024	0x0070000000000000ULL
1382 #define KVM_REG_SIZE_U2048	0x0080000000000000ULL
1383 
1384 struct kvm_reg_list {
1385 	__u64 n; /* number of regs */
1386 	__u64 reg[];
1387 };
1388 
1389 struct kvm_one_reg {
1390 	__u64 id;
1391 	__u64 addr;
1392 };
1393 
1394 #define KVM_MSI_VALID_DEVID	(1U << 0)
1395 struct kvm_msi {
1396 	__u32 address_lo;
1397 	__u32 address_hi;
1398 	__u32 data;
1399 	__u32 flags;
1400 	__u32 devid;
1401 	__u8  pad[12];
1402 };
1403 
1404 struct kvm_arm_device_addr {
1405 	__u64 id;
1406 	__u64 addr;
1407 };
1408 
1409 /*
1410  * Device control API, available with KVM_CAP_DEVICE_CTRL
1411  */
1412 #define KVM_CREATE_DEVICE_TEST		1
1413 
1414 struct kvm_create_device {
1415 	__u32	type;	/* in: KVM_DEV_TYPE_xxx */
1416 	__u32	fd;	/* out: device handle */
1417 	__u32	flags;	/* in: KVM_CREATE_DEVICE_xxx */
1418 };
1419 
1420 struct kvm_device_attr {
1421 	__u32	flags;		/* no flags currently defined */
1422 	__u32	group;		/* device-defined */
1423 	__u64	attr;		/* group-defined */
1424 	__u64	addr;		/* userspace address of attr data */
1425 };
1426 
1427 #define  KVM_DEV_VFIO_FILE			1
1428 
1429 #define   KVM_DEV_VFIO_FILE_ADD			1
1430 #define   KVM_DEV_VFIO_FILE_DEL			2
1431 
1432 /* KVM_DEV_VFIO_GROUP aliases are for compile time uapi compatibility */
1433 #define  KVM_DEV_VFIO_GROUP	KVM_DEV_VFIO_FILE
1434 
1435 #define   KVM_DEV_VFIO_GROUP_ADD	KVM_DEV_VFIO_FILE_ADD
1436 #define   KVM_DEV_VFIO_GROUP_DEL	KVM_DEV_VFIO_FILE_DEL
1437 #define   KVM_DEV_VFIO_GROUP_SET_SPAPR_TCE		3
1438 
1439 enum kvm_device_type {
1440 	KVM_DEV_TYPE_FSL_MPIC_20	= 1,
1441 #define KVM_DEV_TYPE_FSL_MPIC_20	KVM_DEV_TYPE_FSL_MPIC_20
1442 	KVM_DEV_TYPE_FSL_MPIC_42,
1443 #define KVM_DEV_TYPE_FSL_MPIC_42	KVM_DEV_TYPE_FSL_MPIC_42
1444 	KVM_DEV_TYPE_XICS,
1445 #define KVM_DEV_TYPE_XICS		KVM_DEV_TYPE_XICS
1446 	KVM_DEV_TYPE_VFIO,
1447 #define KVM_DEV_TYPE_VFIO		KVM_DEV_TYPE_VFIO
1448 	KVM_DEV_TYPE_ARM_VGIC_V2,
1449 #define KVM_DEV_TYPE_ARM_VGIC_V2	KVM_DEV_TYPE_ARM_VGIC_V2
1450 	KVM_DEV_TYPE_FLIC,
1451 #define KVM_DEV_TYPE_FLIC		KVM_DEV_TYPE_FLIC
1452 	KVM_DEV_TYPE_ARM_VGIC_V3,
1453 #define KVM_DEV_TYPE_ARM_VGIC_V3	KVM_DEV_TYPE_ARM_VGIC_V3
1454 	KVM_DEV_TYPE_ARM_VGIC_ITS,
1455 #define KVM_DEV_TYPE_ARM_VGIC_ITS	KVM_DEV_TYPE_ARM_VGIC_ITS
1456 	KVM_DEV_TYPE_XIVE,
1457 #define KVM_DEV_TYPE_XIVE		KVM_DEV_TYPE_XIVE
1458 	KVM_DEV_TYPE_ARM_PV_TIME,
1459 #define KVM_DEV_TYPE_ARM_PV_TIME	KVM_DEV_TYPE_ARM_PV_TIME
1460 	KVM_DEV_TYPE_RISCV_AIA,
1461 #define KVM_DEV_TYPE_RISCV_AIA		KVM_DEV_TYPE_RISCV_AIA
1462 	KVM_DEV_TYPE_MAX,
1463 };
1464 
1465 struct kvm_vfio_spapr_tce {
1466 	__s32	groupfd;
1467 	__s32	tablefd;
1468 };
1469 
1470 /*
1471  * KVM_CREATE_VCPU receives as a parameter the vcpu slot, and returns
1472  * a vcpu fd.
1473  */
1474 #define KVM_CREATE_VCPU           _IO(KVMIO,   0x41)
1475 #define KVM_GET_DIRTY_LOG         _IOW(KVMIO,  0x42, struct kvm_dirty_log)
1476 #define KVM_SET_NR_MMU_PAGES      _IO(KVMIO,   0x44)
1477 #define KVM_GET_NR_MMU_PAGES      _IO(KVMIO,   0x45)  /* deprecated */
1478 #define KVM_SET_USER_MEMORY_REGION _IOW(KVMIO, 0x46, \
1479 					struct kvm_userspace_memory_region)
1480 #define KVM_SET_TSS_ADDR          _IO(KVMIO,   0x47)
1481 #define KVM_SET_IDENTITY_MAP_ADDR _IOW(KVMIO,  0x48, __u64)
1482 
1483 /* enable ucontrol for s390 */
1484 struct kvm_s390_ucas_mapping {
1485 	__u64 user_addr;
1486 	__u64 vcpu_addr;
1487 	__u64 length;
1488 };
1489 #define KVM_S390_UCAS_MAP        _IOW(KVMIO, 0x50, struct kvm_s390_ucas_mapping)
1490 #define KVM_S390_UCAS_UNMAP      _IOW(KVMIO, 0x51, struct kvm_s390_ucas_mapping)
1491 #define KVM_S390_VCPU_FAULT	 _IOW(KVMIO, 0x52, unsigned long)
1492 
1493 /* Device model IOC */
1494 #define KVM_CREATE_IRQCHIP        _IO(KVMIO,   0x60)
1495 #define KVM_IRQ_LINE              _IOW(KVMIO,  0x61, struct kvm_irq_level)
1496 #define KVM_GET_IRQCHIP           _IOWR(KVMIO, 0x62, struct kvm_irqchip)
1497 #define KVM_SET_IRQCHIP           _IOR(KVMIO,  0x63, struct kvm_irqchip)
1498 #define KVM_CREATE_PIT            _IO(KVMIO,   0x64)
1499 #define KVM_GET_PIT               _IOWR(KVMIO, 0x65, struct kvm_pit_state)
1500 #define KVM_SET_PIT               _IOR(KVMIO,  0x66, struct kvm_pit_state)
1501 #define KVM_IRQ_LINE_STATUS       _IOWR(KVMIO, 0x67, struct kvm_irq_level)
1502 #define KVM_REGISTER_COALESCED_MMIO \
1503 			_IOW(KVMIO,  0x67, struct kvm_coalesced_mmio_zone)
1504 #define KVM_UNREGISTER_COALESCED_MMIO \
1505 			_IOW(KVMIO,  0x68, struct kvm_coalesced_mmio_zone)
1506 #define KVM_ASSIGN_PCI_DEVICE     _IOR(KVMIO,  0x69, \
1507 				       struct kvm_assigned_pci_dev)
1508 #define KVM_SET_GSI_ROUTING       _IOW(KVMIO,  0x6a, struct kvm_irq_routing)
1509 /* deprecated, replaced by KVM_ASSIGN_DEV_IRQ */
1510 #define KVM_ASSIGN_IRQ            __KVM_DEPRECATED_VM_R_0x70
1511 #define KVM_ASSIGN_DEV_IRQ        _IOW(KVMIO,  0x70, struct kvm_assigned_irq)
1512 #define KVM_REINJECT_CONTROL      _IO(KVMIO,   0x71)
1513 #define KVM_DEASSIGN_PCI_DEVICE   _IOW(KVMIO,  0x72, \
1514 				       struct kvm_assigned_pci_dev)
1515 #define KVM_ASSIGN_SET_MSIX_NR    _IOW(KVMIO,  0x73, \
1516 				       struct kvm_assigned_msix_nr)
1517 #define KVM_ASSIGN_SET_MSIX_ENTRY _IOW(KVMIO,  0x74, \
1518 				       struct kvm_assigned_msix_entry)
1519 #define KVM_DEASSIGN_DEV_IRQ      _IOW(KVMIO,  0x75, struct kvm_assigned_irq)
1520 #define KVM_IRQFD                 _IOW(KVMIO,  0x76, struct kvm_irqfd)
1521 #define KVM_CREATE_PIT2		  _IOW(KVMIO,  0x77, struct kvm_pit_config)
1522 #define KVM_SET_BOOT_CPU_ID       _IO(KVMIO,   0x78)
1523 #define KVM_IOEVENTFD             _IOW(KVMIO,  0x79, struct kvm_ioeventfd)
1524 #define KVM_XEN_HVM_CONFIG        _IOW(KVMIO,  0x7a, struct kvm_xen_hvm_config)
1525 #define KVM_SET_CLOCK             _IOW(KVMIO,  0x7b, struct kvm_clock_data)
1526 #define KVM_GET_CLOCK             _IOR(KVMIO,  0x7c, struct kvm_clock_data)
1527 /* Available with KVM_CAP_PIT_STATE2 */
1528 #define KVM_GET_PIT2              _IOR(KVMIO,  0x9f, struct kvm_pit_state2)
1529 #define KVM_SET_PIT2              _IOW(KVMIO,  0xa0, struct kvm_pit_state2)
1530 /* Available with KVM_CAP_PPC_GET_PVINFO */
1531 #define KVM_PPC_GET_PVINFO	  _IOW(KVMIO,  0xa1, struct kvm_ppc_pvinfo)
1532 /* Available with KVM_CAP_TSC_CONTROL for a vCPU, or with
1533 *  KVM_CAP_VM_TSC_CONTROL to set defaults for a VM */
1534 #define KVM_SET_TSC_KHZ           _IO(KVMIO,  0xa2)
1535 #define KVM_GET_TSC_KHZ           _IO(KVMIO,  0xa3)
1536 /* Available with KVM_CAP_PCI_2_3 */
1537 #define KVM_ASSIGN_SET_INTX_MASK  _IOW(KVMIO,  0xa4, \
1538 				       struct kvm_assigned_pci_dev)
1539 /* Available with KVM_CAP_SIGNAL_MSI */
1540 #define KVM_SIGNAL_MSI            _IOW(KVMIO,  0xa5, struct kvm_msi)
1541 /* Available with KVM_CAP_PPC_GET_SMMU_INFO */
1542 #define KVM_PPC_GET_SMMU_INFO	  _IOR(KVMIO,  0xa6, struct kvm_ppc_smmu_info)
1543 /* Available with KVM_CAP_PPC_ALLOC_HTAB */
1544 #define KVM_PPC_ALLOCATE_HTAB	  _IOWR(KVMIO, 0xa7, __u32)
1545 #define KVM_CREATE_SPAPR_TCE	  _IOW(KVMIO,  0xa8, struct kvm_create_spapr_tce)
1546 #define KVM_CREATE_SPAPR_TCE_64	  _IOW(KVMIO,  0xa8, \
1547 				       struct kvm_create_spapr_tce_64)
1548 /* Available with KVM_CAP_RMA */
1549 #define KVM_ALLOCATE_RMA	  _IOR(KVMIO,  0xa9, struct kvm_allocate_rma)
1550 /* Available with KVM_CAP_PPC_HTAB_FD */
1551 #define KVM_PPC_GET_HTAB_FD	  _IOW(KVMIO,  0xaa, struct kvm_get_htab_fd)
1552 /* Available with KVM_CAP_ARM_SET_DEVICE_ADDR */
1553 #define KVM_ARM_SET_DEVICE_ADDR	  _IOW(KVMIO,  0xab, struct kvm_arm_device_addr)
1554 /* Available with KVM_CAP_PPC_RTAS */
1555 #define KVM_PPC_RTAS_DEFINE_TOKEN _IOW(KVMIO,  0xac, struct kvm_rtas_token_args)
1556 /* Available with KVM_CAP_SPAPR_RESIZE_HPT */
1557 #define KVM_PPC_RESIZE_HPT_PREPARE _IOR(KVMIO, 0xad, struct kvm_ppc_resize_hpt)
1558 #define KVM_PPC_RESIZE_HPT_COMMIT  _IOR(KVMIO, 0xae, struct kvm_ppc_resize_hpt)
1559 /* Available with KVM_CAP_PPC_RADIX_MMU or KVM_CAP_PPC_HASH_MMU_V3 */
1560 #define KVM_PPC_CONFIGURE_V3_MMU  _IOW(KVMIO,  0xaf, struct kvm_ppc_mmuv3_cfg)
1561 /* Available with KVM_CAP_PPC_RADIX_MMU */
1562 #define KVM_PPC_GET_RMMU_INFO	  _IOW(KVMIO,  0xb0, struct kvm_ppc_rmmu_info)
1563 /* Available with KVM_CAP_PPC_GET_CPU_CHAR */
1564 #define KVM_PPC_GET_CPU_CHAR	  _IOR(KVMIO,  0xb1, struct kvm_ppc_cpu_char)
1565 /* Available with KVM_CAP_PMU_EVENT_FILTER */
1566 #define KVM_SET_PMU_EVENT_FILTER  _IOW(KVMIO,  0xb2, struct kvm_pmu_event_filter)
1567 #define KVM_PPC_SVM_OFF		  _IO(KVMIO,  0xb3)
1568 #define KVM_ARM_MTE_COPY_TAGS	  _IOR(KVMIO,  0xb4, struct kvm_arm_copy_mte_tags)
1569 /* Available with KVM_CAP_COUNTER_OFFSET */
1570 #define KVM_ARM_SET_COUNTER_OFFSET _IOW(KVMIO,  0xb5, struct kvm_arm_counter_offset)
1571 #define KVM_ARM_GET_REG_WRITABLE_MASKS _IOR(KVMIO,  0xb6, struct reg_mask_range)
1572 
1573 /* ioctl for vm fd */
1574 #define KVM_CREATE_DEVICE	  _IOWR(KVMIO,  0xe0, struct kvm_create_device)
1575 
1576 /* ioctls for fds returned by KVM_CREATE_DEVICE */
1577 #define KVM_SET_DEVICE_ATTR	  _IOW(KVMIO,  0xe1, struct kvm_device_attr)
1578 #define KVM_GET_DEVICE_ATTR	  _IOW(KVMIO,  0xe2, struct kvm_device_attr)
1579 #define KVM_HAS_DEVICE_ATTR	  _IOW(KVMIO,  0xe3, struct kvm_device_attr)
1580 
1581 /*
1582  * ioctls for vcpu fds
1583  */
1584 #define KVM_RUN                   _IO(KVMIO,   0x80)
1585 #define KVM_GET_REGS              _IOR(KVMIO,  0x81, struct kvm_regs)
1586 #define KVM_SET_REGS              _IOW(KVMIO,  0x82, struct kvm_regs)
1587 #define KVM_GET_SREGS             _IOR(KVMIO,  0x83, struct kvm_sregs)
1588 #define KVM_SET_SREGS             _IOW(KVMIO,  0x84, struct kvm_sregs)
1589 #define KVM_TRANSLATE             _IOWR(KVMIO, 0x85, struct kvm_translation)
1590 #define KVM_INTERRUPT             _IOW(KVMIO,  0x86, struct kvm_interrupt)
1591 /* KVM_DEBUG_GUEST is no longer supported, use KVM_SET_GUEST_DEBUG instead */
1592 #define KVM_DEBUG_GUEST           __KVM_DEPRECATED_VCPU_W_0x87
1593 #define KVM_GET_MSRS              _IOWR(KVMIO, 0x88, struct kvm_msrs)
1594 #define KVM_SET_MSRS              _IOW(KVMIO,  0x89, struct kvm_msrs)
1595 #define KVM_SET_CPUID             _IOW(KVMIO,  0x8a, struct kvm_cpuid)
1596 #define KVM_SET_SIGNAL_MASK       _IOW(KVMIO,  0x8b, struct kvm_signal_mask)
1597 #define KVM_GET_FPU               _IOR(KVMIO,  0x8c, struct kvm_fpu)
1598 #define KVM_SET_FPU               _IOW(KVMIO,  0x8d, struct kvm_fpu)
1599 #define KVM_GET_LAPIC             _IOR(KVMIO,  0x8e, struct kvm_lapic_state)
1600 #define KVM_SET_LAPIC             _IOW(KVMIO,  0x8f, struct kvm_lapic_state)
1601 #define KVM_SET_CPUID2            _IOW(KVMIO,  0x90, struct kvm_cpuid2)
1602 #define KVM_GET_CPUID2            _IOWR(KVMIO, 0x91, struct kvm_cpuid2)
1603 /* Available with KVM_CAP_VAPIC */
1604 #define KVM_TPR_ACCESS_REPORTING  _IOWR(KVMIO, 0x92, struct kvm_tpr_access_ctl)
1605 /* Available with KVM_CAP_VAPIC */
1606 #define KVM_SET_VAPIC_ADDR        _IOW(KVMIO,  0x93, struct kvm_vapic_addr)
1607 /* valid for virtual machine (for floating interrupt)_and_ vcpu */
1608 #define KVM_S390_INTERRUPT        _IOW(KVMIO,  0x94, struct kvm_s390_interrupt)
1609 /* store status for s390 */
1610 #define KVM_S390_STORE_STATUS_NOADDR    (-1ul)
1611 #define KVM_S390_STORE_STATUS_PREFIXED  (-2ul)
1612 #define KVM_S390_STORE_STATUS	  _IOW(KVMIO,  0x95, unsigned long)
1613 /* initial ipl psw for s390 */
1614 #define KVM_S390_SET_INITIAL_PSW  _IOW(KVMIO,  0x96, struct kvm_s390_psw)
1615 /* initial reset for s390 */
1616 #define KVM_S390_INITIAL_RESET    _IO(KVMIO,   0x97)
1617 #define KVM_GET_MP_STATE          _IOR(KVMIO,  0x98, struct kvm_mp_state)
1618 #define KVM_SET_MP_STATE          _IOW(KVMIO,  0x99, struct kvm_mp_state)
1619 /* Available with KVM_CAP_USER_NMI */
1620 #define KVM_NMI                   _IO(KVMIO,   0x9a)
1621 /* Available with KVM_CAP_SET_GUEST_DEBUG */
1622 #define KVM_SET_GUEST_DEBUG       _IOW(KVMIO,  0x9b, struct kvm_guest_debug)
1623 /* MCE for x86 */
1624 #define KVM_X86_SETUP_MCE         _IOW(KVMIO,  0x9c, __u64)
1625 #define KVM_X86_GET_MCE_CAP_SUPPORTED _IOR(KVMIO,  0x9d, __u64)
1626 #define KVM_X86_SET_MCE           _IOW(KVMIO,  0x9e, struct kvm_x86_mce)
1627 /* Available with KVM_CAP_VCPU_EVENTS */
1628 #define KVM_GET_VCPU_EVENTS       _IOR(KVMIO,  0x9f, struct kvm_vcpu_events)
1629 #define KVM_SET_VCPU_EVENTS       _IOW(KVMIO,  0xa0, struct kvm_vcpu_events)
1630 /* Available with KVM_CAP_DEBUGREGS */
1631 #define KVM_GET_DEBUGREGS         _IOR(KVMIO,  0xa1, struct kvm_debugregs)
1632 #define KVM_SET_DEBUGREGS         _IOW(KVMIO,  0xa2, struct kvm_debugregs)
1633 /*
1634  * vcpu version available with KVM_CAP_ENABLE_CAP
1635  * vm version available with KVM_CAP_ENABLE_CAP_VM
1636  */
1637 #define KVM_ENABLE_CAP            _IOW(KVMIO,  0xa3, struct kvm_enable_cap)
1638 /* Available with KVM_CAP_XSAVE */
1639 #define KVM_GET_XSAVE		  _IOR(KVMIO,  0xa4, struct kvm_xsave)
1640 #define KVM_SET_XSAVE		  _IOW(KVMIO,  0xa5, struct kvm_xsave)
1641 /* Available with KVM_CAP_XCRS */
1642 #define KVM_GET_XCRS		  _IOR(KVMIO,  0xa6, struct kvm_xcrs)
1643 #define KVM_SET_XCRS		  _IOW(KVMIO,  0xa7, struct kvm_xcrs)
1644 /* Available with KVM_CAP_SW_TLB */
1645 #define KVM_DIRTY_TLB		  _IOW(KVMIO,  0xaa, struct kvm_dirty_tlb)
1646 /* Available with KVM_CAP_ONE_REG */
1647 #define KVM_GET_ONE_REG		  _IOW(KVMIO,  0xab, struct kvm_one_reg)
1648 #define KVM_SET_ONE_REG		  _IOW(KVMIO,  0xac, struct kvm_one_reg)
1649 /* VM is being stopped by host */
1650 #define KVM_KVMCLOCK_CTRL	  _IO(KVMIO,   0xad)
1651 #define KVM_ARM_VCPU_INIT	  _IOW(KVMIO,  0xae, struct kvm_vcpu_init)
1652 #define KVM_ARM_PREFERRED_TARGET  _IOR(KVMIO,  0xaf, struct kvm_vcpu_init)
1653 #define KVM_GET_REG_LIST	  _IOWR(KVMIO, 0xb0, struct kvm_reg_list)
1654 /* Available with KVM_CAP_S390_MEM_OP */
1655 #define KVM_S390_MEM_OP		  _IOW(KVMIO,  0xb1, struct kvm_s390_mem_op)
1656 /* Available with KVM_CAP_S390_SKEYS */
1657 #define KVM_S390_GET_SKEYS      _IOW(KVMIO, 0xb2, struct kvm_s390_skeys)
1658 #define KVM_S390_SET_SKEYS      _IOW(KVMIO, 0xb3, struct kvm_s390_skeys)
1659 /* Available with KVM_CAP_S390_INJECT_IRQ */
1660 #define KVM_S390_IRQ              _IOW(KVMIO,  0xb4, struct kvm_s390_irq)
1661 /* Available with KVM_CAP_S390_IRQ_STATE */
1662 #define KVM_S390_SET_IRQ_STATE	  _IOW(KVMIO, 0xb5, struct kvm_s390_irq_state)
1663 #define KVM_S390_GET_IRQ_STATE	  _IOW(KVMIO, 0xb6, struct kvm_s390_irq_state)
1664 /* Available with KVM_CAP_X86_SMM */
1665 #define KVM_SMI                   _IO(KVMIO,   0xb7)
1666 /* Available with KVM_CAP_S390_CMMA_MIGRATION */
1667 #define KVM_S390_GET_CMMA_BITS      _IOWR(KVMIO, 0xb8, struct kvm_s390_cmma_log)
1668 #define KVM_S390_SET_CMMA_BITS      _IOW(KVMIO, 0xb9, struct kvm_s390_cmma_log)
1669 /* Memory Encryption Commands */
1670 #define KVM_MEMORY_ENCRYPT_OP      _IOWR(KVMIO, 0xba, unsigned long)
1671 
1672 struct kvm_enc_region {
1673 	__u64 addr;
1674 	__u64 size;
1675 };
1676 
1677 #define KVM_MEMORY_ENCRYPT_REG_REGION    _IOR(KVMIO, 0xbb, struct kvm_enc_region)
1678 #define KVM_MEMORY_ENCRYPT_UNREG_REGION  _IOR(KVMIO, 0xbc, struct kvm_enc_region)
1679 
1680 /* Available with KVM_CAP_HYPERV_EVENTFD */
1681 #define KVM_HYPERV_EVENTFD        _IOW(KVMIO,  0xbd, struct kvm_hyperv_eventfd)
1682 
1683 /* Available with KVM_CAP_NESTED_STATE */
1684 #define KVM_GET_NESTED_STATE         _IOWR(KVMIO, 0xbe, struct kvm_nested_state)
1685 #define KVM_SET_NESTED_STATE         _IOW(KVMIO,  0xbf, struct kvm_nested_state)
1686 
1687 /* Available with KVM_CAP_MANUAL_DIRTY_LOG_PROTECT_2 */
1688 #define KVM_CLEAR_DIRTY_LOG          _IOWR(KVMIO, 0xc0, struct kvm_clear_dirty_log)
1689 
1690 /* Available with KVM_CAP_HYPERV_CPUID (vcpu) / KVM_CAP_SYS_HYPERV_CPUID (system) */
1691 #define KVM_GET_SUPPORTED_HV_CPUID _IOWR(KVMIO, 0xc1, struct kvm_cpuid2)
1692 
1693 /* Available with KVM_CAP_ARM_SVE */
1694 #define KVM_ARM_VCPU_FINALIZE	  _IOW(KVMIO,  0xc2, int)
1695 
1696 /* Available with  KVM_CAP_S390_VCPU_RESETS */
1697 #define KVM_S390_NORMAL_RESET	_IO(KVMIO,   0xc3)
1698 #define KVM_S390_CLEAR_RESET	_IO(KVMIO,   0xc4)
1699 
1700 struct kvm_s390_pv_sec_parm {
1701 	__u64 origin;
1702 	__u64 length;
1703 };
1704 
1705 struct kvm_s390_pv_unp {
1706 	__u64 addr;
1707 	__u64 size;
1708 	__u64 tweak;
1709 };
1710 
1711 enum pv_cmd_dmp_id {
1712 	KVM_PV_DUMP_INIT,
1713 	KVM_PV_DUMP_CONFIG_STOR_STATE,
1714 	KVM_PV_DUMP_COMPLETE,
1715 	KVM_PV_DUMP_CPU,
1716 };
1717 
1718 struct kvm_s390_pv_dmp {
1719 	__u64 subcmd;
1720 	__u64 buff_addr;
1721 	__u64 buff_len;
1722 	__u64 gaddr;		/* For dump storage state */
1723 	__u64 reserved[4];
1724 };
1725 
1726 enum pv_cmd_info_id {
1727 	KVM_PV_INFO_VM,
1728 	KVM_PV_INFO_DUMP,
1729 };
1730 
1731 struct kvm_s390_pv_info_dump {
1732 	__u64 dump_cpu_buffer_len;
1733 	__u64 dump_config_mem_buffer_per_1m;
1734 	__u64 dump_config_finalize_len;
1735 };
1736 
1737 struct kvm_s390_pv_info_vm {
1738 	__u64 inst_calls_list[4];
1739 	__u64 max_cpus;
1740 	__u64 max_guests;
1741 	__u64 max_guest_addr;
1742 	__u64 feature_indication;
1743 };
1744 
1745 struct kvm_s390_pv_info_header {
1746 	__u32 id;
1747 	__u32 len_max;
1748 	__u32 len_written;
1749 	__u32 reserved;
1750 };
1751 
1752 struct kvm_s390_pv_info {
1753 	struct kvm_s390_pv_info_header header;
1754 	union {
1755 		struct kvm_s390_pv_info_dump dump;
1756 		struct kvm_s390_pv_info_vm vm;
1757 	};
1758 };
1759 
1760 enum pv_cmd_id {
1761 	KVM_PV_ENABLE,
1762 	KVM_PV_DISABLE,
1763 	KVM_PV_SET_SEC_PARMS,
1764 	KVM_PV_UNPACK,
1765 	KVM_PV_VERIFY,
1766 	KVM_PV_PREP_RESET,
1767 	KVM_PV_UNSHARE_ALL,
1768 	KVM_PV_INFO,
1769 	KVM_PV_DUMP,
1770 	KVM_PV_ASYNC_CLEANUP_PREPARE,
1771 	KVM_PV_ASYNC_CLEANUP_PERFORM,
1772 };
1773 
1774 struct kvm_pv_cmd {
1775 	__u32 cmd;	/* Command to be executed */
1776 	__u16 rc;	/* Ultravisor return code */
1777 	__u16 rrc;	/* Ultravisor return reason code */
1778 	__u64 data;	/* Data or address */
1779 	__u32 flags;    /* flags for future extensions. Must be 0 for now */
1780 	__u32 reserved[3];
1781 };
1782 
1783 /* Available with KVM_CAP_S390_PROTECTED */
1784 #define KVM_S390_PV_COMMAND		_IOWR(KVMIO, 0xc5, struct kvm_pv_cmd)
1785 
1786 /* Available with KVM_CAP_X86_MSR_FILTER */
1787 #define KVM_X86_SET_MSR_FILTER	_IOW(KVMIO,  0xc6, struct kvm_msr_filter)
1788 
1789 /* Available with KVM_CAP_DIRTY_LOG_RING */
1790 #define KVM_RESET_DIRTY_RINGS		_IO(KVMIO, 0xc7)
1791 
1792 /* Per-VM Xen attributes */
1793 #define KVM_XEN_HVM_GET_ATTR	_IOWR(KVMIO, 0xc8, struct kvm_xen_hvm_attr)
1794 #define KVM_XEN_HVM_SET_ATTR	_IOW(KVMIO,  0xc9, struct kvm_xen_hvm_attr)
1795 
1796 struct kvm_xen_hvm_attr {
1797 	__u16 type;
1798 	__u16 pad[3];
1799 	union {
1800 		__u8 long_mode;
1801 		__u8 vector;
1802 		__u8 runstate_update_flag;
1803 		struct {
1804 			__u64 gfn;
1805 #define KVM_XEN_INVALID_GFN ((__u64)-1)
1806 		} shared_info;
1807 		struct {
1808 			__u32 send_port;
1809 			__u32 type; /* EVTCHNSTAT_ipi / EVTCHNSTAT_interdomain */
1810 			__u32 flags;
1811 #define KVM_XEN_EVTCHN_DEASSIGN		(1 << 0)
1812 #define KVM_XEN_EVTCHN_UPDATE		(1 << 1)
1813 #define KVM_XEN_EVTCHN_RESET		(1 << 2)
1814 			/*
1815 			 * Events sent by the guest are either looped back to
1816 			 * the guest itself (potentially on a different port#)
1817 			 * or signalled via an eventfd.
1818 			 */
1819 			union {
1820 				struct {
1821 					__u32 port;
1822 					__u32 vcpu;
1823 					__u32 priority;
1824 				} port;
1825 				struct {
1826 					__u32 port; /* Zero for eventfd */
1827 					__s32 fd;
1828 				} eventfd;
1829 				__u32 padding[4];
1830 			} deliver;
1831 		} evtchn;
1832 		__u32 xen_version;
1833 		__u64 pad[8];
1834 	} u;
1835 };
1836 
1837 
1838 /* Available with KVM_CAP_XEN_HVM / KVM_XEN_HVM_CONFIG_SHARED_INFO */
1839 #define KVM_XEN_ATTR_TYPE_LONG_MODE		0x0
1840 #define KVM_XEN_ATTR_TYPE_SHARED_INFO		0x1
1841 #define KVM_XEN_ATTR_TYPE_UPCALL_VECTOR		0x2
1842 /* Available with KVM_CAP_XEN_HVM / KVM_XEN_HVM_CONFIG_EVTCHN_SEND */
1843 #define KVM_XEN_ATTR_TYPE_EVTCHN		0x3
1844 #define KVM_XEN_ATTR_TYPE_XEN_VERSION		0x4
1845 /* Available with KVM_CAP_XEN_HVM / KVM_XEN_HVM_CONFIG_RUNSTATE_UPDATE_FLAG */
1846 #define KVM_XEN_ATTR_TYPE_RUNSTATE_UPDATE_FLAG	0x5
1847 
1848 /* Per-vCPU Xen attributes */
1849 #define KVM_XEN_VCPU_GET_ATTR	_IOWR(KVMIO, 0xca, struct kvm_xen_vcpu_attr)
1850 #define KVM_XEN_VCPU_SET_ATTR	_IOW(KVMIO,  0xcb, struct kvm_xen_vcpu_attr)
1851 
1852 /* Available with KVM_CAP_XEN_HVM / KVM_XEN_HVM_CONFIG_EVTCHN_SEND */
1853 #define KVM_XEN_HVM_EVTCHN_SEND	_IOW(KVMIO,  0xd0, struct kvm_irq_routing_xen_evtchn)
1854 
1855 #define KVM_GET_SREGS2             _IOR(KVMIO,  0xcc, struct kvm_sregs2)
1856 #define KVM_SET_SREGS2             _IOW(KVMIO,  0xcd, struct kvm_sregs2)
1857 
1858 struct kvm_xen_vcpu_attr {
1859 	__u16 type;
1860 	__u16 pad[3];
1861 	union {
1862 		__u64 gpa;
1863 #define KVM_XEN_INVALID_GPA ((__u64)-1)
1864 		__u64 pad[8];
1865 		struct {
1866 			__u64 state;
1867 			__u64 state_entry_time;
1868 			__u64 time_running;
1869 			__u64 time_runnable;
1870 			__u64 time_blocked;
1871 			__u64 time_offline;
1872 		} runstate;
1873 		__u32 vcpu_id;
1874 		struct {
1875 			__u32 port;
1876 			__u32 priority;
1877 			__u64 expires_ns;
1878 		} timer;
1879 		__u8 vector;
1880 	} u;
1881 };
1882 
1883 /* Available with KVM_CAP_XEN_HVM / KVM_XEN_HVM_CONFIG_SHARED_INFO */
1884 #define KVM_XEN_VCPU_ATTR_TYPE_VCPU_INFO	0x0
1885 #define KVM_XEN_VCPU_ATTR_TYPE_VCPU_TIME_INFO	0x1
1886 #define KVM_XEN_VCPU_ATTR_TYPE_RUNSTATE_ADDR	0x2
1887 #define KVM_XEN_VCPU_ATTR_TYPE_RUNSTATE_CURRENT	0x3
1888 #define KVM_XEN_VCPU_ATTR_TYPE_RUNSTATE_DATA	0x4
1889 #define KVM_XEN_VCPU_ATTR_TYPE_RUNSTATE_ADJUST	0x5
1890 /* Available with KVM_CAP_XEN_HVM / KVM_XEN_HVM_CONFIG_EVTCHN_SEND */
1891 #define KVM_XEN_VCPU_ATTR_TYPE_VCPU_ID		0x6
1892 #define KVM_XEN_VCPU_ATTR_TYPE_TIMER		0x7
1893 #define KVM_XEN_VCPU_ATTR_TYPE_UPCALL_VECTOR	0x8
1894 
1895 /* Secure Encrypted Virtualization command */
1896 enum sev_cmd_id {
1897 	/* Guest initialization commands */
1898 	KVM_SEV_INIT = 0,
1899 	KVM_SEV_ES_INIT,
1900 	/* Guest launch commands */
1901 	KVM_SEV_LAUNCH_START,
1902 	KVM_SEV_LAUNCH_UPDATE_DATA,
1903 	KVM_SEV_LAUNCH_UPDATE_VMSA,
1904 	KVM_SEV_LAUNCH_SECRET,
1905 	KVM_SEV_LAUNCH_MEASURE,
1906 	KVM_SEV_LAUNCH_FINISH,
1907 	/* Guest migration commands (outgoing) */
1908 	KVM_SEV_SEND_START,
1909 	KVM_SEV_SEND_UPDATE_DATA,
1910 	KVM_SEV_SEND_UPDATE_VMSA,
1911 	KVM_SEV_SEND_FINISH,
1912 	/* Guest migration commands (incoming) */
1913 	KVM_SEV_RECEIVE_START,
1914 	KVM_SEV_RECEIVE_UPDATE_DATA,
1915 	KVM_SEV_RECEIVE_UPDATE_VMSA,
1916 	KVM_SEV_RECEIVE_FINISH,
1917 	/* Guest status and debug commands */
1918 	KVM_SEV_GUEST_STATUS,
1919 	KVM_SEV_DBG_DECRYPT,
1920 	KVM_SEV_DBG_ENCRYPT,
1921 	/* Guest certificates commands */
1922 	KVM_SEV_CERT_EXPORT,
1923 	/* Attestation report */
1924 	KVM_SEV_GET_ATTESTATION_REPORT,
1925 	/* Guest Migration Extension */
1926 	KVM_SEV_SEND_CANCEL,
1927 
1928 	KVM_SEV_NR_MAX,
1929 };
1930 
1931 struct kvm_sev_cmd {
1932 	__u32 id;
1933 	__u64 data;
1934 	__u32 error;
1935 	__u32 sev_fd;
1936 };
1937 
1938 struct kvm_sev_launch_start {
1939 	__u32 handle;
1940 	__u32 policy;
1941 	__u64 dh_uaddr;
1942 	__u32 dh_len;
1943 	__u64 session_uaddr;
1944 	__u32 session_len;
1945 };
1946 
1947 struct kvm_sev_launch_update_data {
1948 	__u64 uaddr;
1949 	__u32 len;
1950 };
1951 
1952 
1953 struct kvm_sev_launch_secret {
1954 	__u64 hdr_uaddr;
1955 	__u32 hdr_len;
1956 	__u64 guest_uaddr;
1957 	__u32 guest_len;
1958 	__u64 trans_uaddr;
1959 	__u32 trans_len;
1960 };
1961 
1962 struct kvm_sev_launch_measure {
1963 	__u64 uaddr;
1964 	__u32 len;
1965 };
1966 
1967 struct kvm_sev_guest_status {
1968 	__u32 handle;
1969 	__u32 policy;
1970 	__u32 state;
1971 };
1972 
1973 struct kvm_sev_dbg {
1974 	__u64 src_uaddr;
1975 	__u64 dst_uaddr;
1976 	__u32 len;
1977 };
1978 
1979 struct kvm_sev_attestation_report {
1980 	__u8 mnonce[16];
1981 	__u64 uaddr;
1982 	__u32 len;
1983 };
1984 
1985 struct kvm_sev_send_start {
1986 	__u32 policy;
1987 	__u64 pdh_cert_uaddr;
1988 	__u32 pdh_cert_len;
1989 	__u64 plat_certs_uaddr;
1990 	__u32 plat_certs_len;
1991 	__u64 amd_certs_uaddr;
1992 	__u32 amd_certs_len;
1993 	__u64 session_uaddr;
1994 	__u32 session_len;
1995 };
1996 
1997 struct kvm_sev_send_update_data {
1998 	__u64 hdr_uaddr;
1999 	__u32 hdr_len;
2000 	__u64 guest_uaddr;
2001 	__u32 guest_len;
2002 	__u64 trans_uaddr;
2003 	__u32 trans_len;
2004 };
2005 
2006 struct kvm_sev_receive_start {
2007 	__u32 handle;
2008 	__u32 policy;
2009 	__u64 pdh_uaddr;
2010 	__u32 pdh_len;
2011 	__u64 session_uaddr;
2012 	__u32 session_len;
2013 };
2014 
2015 struct kvm_sev_receive_update_data {
2016 	__u64 hdr_uaddr;
2017 	__u32 hdr_len;
2018 	__u64 guest_uaddr;
2019 	__u32 guest_len;
2020 	__u64 trans_uaddr;
2021 	__u32 trans_len;
2022 };
2023 
2024 #define KVM_DEV_ASSIGN_ENABLE_IOMMU	(1 << 0)
2025 #define KVM_DEV_ASSIGN_PCI_2_3		(1 << 1)
2026 #define KVM_DEV_ASSIGN_MASK_INTX	(1 << 2)
2027 
2028 struct kvm_assigned_pci_dev {
2029 	__u32 assigned_dev_id;
2030 	__u32 busnr;
2031 	__u32 devfn;
2032 	__u32 flags;
2033 	__u32 segnr;
2034 	union {
2035 		__u32 reserved[11];
2036 	};
2037 };
2038 
2039 #define KVM_DEV_IRQ_HOST_INTX    (1 << 0)
2040 #define KVM_DEV_IRQ_HOST_MSI     (1 << 1)
2041 #define KVM_DEV_IRQ_HOST_MSIX    (1 << 2)
2042 
2043 #define KVM_DEV_IRQ_GUEST_INTX   (1 << 8)
2044 #define KVM_DEV_IRQ_GUEST_MSI    (1 << 9)
2045 #define KVM_DEV_IRQ_GUEST_MSIX   (1 << 10)
2046 
2047 #define KVM_DEV_IRQ_HOST_MASK	 0x00ff
2048 #define KVM_DEV_IRQ_GUEST_MASK   0xff00
2049 
2050 struct kvm_assigned_irq {
2051 	__u32 assigned_dev_id;
2052 	__u32 host_irq; /* ignored (legacy field) */
2053 	__u32 guest_irq;
2054 	__u32 flags;
2055 	union {
2056 		__u32 reserved[12];
2057 	};
2058 };
2059 
2060 struct kvm_assigned_msix_nr {
2061 	__u32 assigned_dev_id;
2062 	__u16 entry_nr;
2063 	__u16 padding;
2064 };
2065 
2066 #define KVM_MAX_MSIX_PER_DEV		256
2067 struct kvm_assigned_msix_entry {
2068 	__u32 assigned_dev_id;
2069 	__u32 gsi;
2070 	__u16 entry; /* The index of entry in the MSI-X table */
2071 	__u16 padding[3];
2072 };
2073 
2074 #define KVM_X2APIC_API_USE_32BIT_IDS            (1ULL << 0)
2075 #define KVM_X2APIC_API_DISABLE_BROADCAST_QUIRK  (1ULL << 1)
2076 
2077 /* Available with KVM_CAP_ARM_USER_IRQ */
2078 
2079 /* Bits for run->s.regs.device_irq_level */
2080 #define KVM_ARM_DEV_EL1_VTIMER		(1 << 0)
2081 #define KVM_ARM_DEV_EL1_PTIMER		(1 << 1)
2082 #define KVM_ARM_DEV_PMU			(1 << 2)
2083 
2084 struct kvm_hyperv_eventfd {
2085 	__u32 conn_id;
2086 	__s32 fd;
2087 	__u32 flags;
2088 	__u32 padding[3];
2089 };
2090 
2091 #define KVM_HYPERV_CONN_ID_MASK		0x00ffffff
2092 #define KVM_HYPERV_EVENTFD_DEASSIGN	(1 << 0)
2093 
2094 #define KVM_DIRTY_LOG_MANUAL_PROTECT_ENABLE    (1 << 0)
2095 #define KVM_DIRTY_LOG_INITIALLY_SET            (1 << 1)
2096 
2097 /*
2098  * Arch needs to define the macro after implementing the dirty ring
2099  * feature.  KVM_DIRTY_LOG_PAGE_OFFSET should be defined as the
2100  * starting page offset of the dirty ring structures.
2101  */
2102 #ifndef KVM_DIRTY_LOG_PAGE_OFFSET
2103 #define KVM_DIRTY_LOG_PAGE_OFFSET 0
2104 #endif
2105 
2106 /*
2107  * KVM dirty GFN flags, defined as:
2108  *
2109  * |---------------+---------------+--------------|
2110  * | bit 1 (reset) | bit 0 (dirty) | Status       |
2111  * |---------------+---------------+--------------|
2112  * |             0 |             0 | Invalid GFN  |
2113  * |             0 |             1 | Dirty GFN    |
2114  * |             1 |             X | GFN to reset |
2115  * |---------------+---------------+--------------|
2116  *
2117  * Lifecycle of a dirty GFN goes like:
2118  *
2119  *      dirtied         harvested        reset
2120  * 00 -----------> 01 -------------> 1X -------+
2121  *  ^                                          |
2122  *  |                                          |
2123  *  +------------------------------------------+
2124  *
2125  * The userspace program is only responsible for the 01->1X state
2126  * conversion after harvesting an entry.  Also, it must not skip any
2127  * dirty bits, so that dirty bits are always harvested in sequence.
2128  */
2129 #define KVM_DIRTY_GFN_F_DIRTY           _BITUL(0)
2130 #define KVM_DIRTY_GFN_F_RESET           _BITUL(1)
2131 #define KVM_DIRTY_GFN_F_MASK            0x3
2132 
2133 /*
2134  * KVM dirty rings should be mapped at KVM_DIRTY_LOG_PAGE_OFFSET of
2135  * per-vcpu mmaped regions as an array of struct kvm_dirty_gfn.  The
2136  * size of the gfn buffer is decided by the first argument when
2137  * enabling KVM_CAP_DIRTY_LOG_RING.
2138  */
2139 struct kvm_dirty_gfn {
2140 	__u32 flags;
2141 	__u32 slot;
2142 	__u64 offset;
2143 };
2144 
2145 #define KVM_BUS_LOCK_DETECTION_OFF             (1 << 0)
2146 #define KVM_BUS_LOCK_DETECTION_EXIT            (1 << 1)
2147 
2148 #define KVM_PMU_CAP_DISABLE                    (1 << 0)
2149 
2150 /**
2151  * struct kvm_stats_header - Header of per vm/vcpu binary statistics data.
2152  * @flags: Some extra information for header, always 0 for now.
2153  * @name_size: The size in bytes of the memory which contains statistics
2154  *             name string including trailing '\0'. The memory is allocated
2155  *             at the send of statistics descriptor.
2156  * @num_desc: The number of statistics the vm or vcpu has.
2157  * @id_offset: The offset of the vm/vcpu stats' id string in the file pointed
2158  *             by vm/vcpu stats fd.
2159  * @desc_offset: The offset of the vm/vcpu stats' descriptor block in the file
2160  *               pointd by vm/vcpu stats fd.
2161  * @data_offset: The offset of the vm/vcpu stats' data block in the file
2162  *               pointed by vm/vcpu stats fd.
2163  *
2164  * This is the header userspace needs to read from stats fd before any other
2165  * readings. It is used by userspace to discover all the information about the
2166  * vm/vcpu's binary statistics.
2167  * Userspace reads this header from the start of the vm/vcpu's stats fd.
2168  */
2169 struct kvm_stats_header {
2170 	__u32 flags;
2171 	__u32 name_size;
2172 	__u32 num_desc;
2173 	__u32 id_offset;
2174 	__u32 desc_offset;
2175 	__u32 data_offset;
2176 };
2177 
2178 #define KVM_STATS_TYPE_SHIFT		0
2179 #define KVM_STATS_TYPE_MASK		(0xF << KVM_STATS_TYPE_SHIFT)
2180 #define KVM_STATS_TYPE_CUMULATIVE	(0x0 << KVM_STATS_TYPE_SHIFT)
2181 #define KVM_STATS_TYPE_INSTANT		(0x1 << KVM_STATS_TYPE_SHIFT)
2182 #define KVM_STATS_TYPE_PEAK		(0x2 << KVM_STATS_TYPE_SHIFT)
2183 #define KVM_STATS_TYPE_LINEAR_HIST	(0x3 << KVM_STATS_TYPE_SHIFT)
2184 #define KVM_STATS_TYPE_LOG_HIST		(0x4 << KVM_STATS_TYPE_SHIFT)
2185 #define KVM_STATS_TYPE_MAX		KVM_STATS_TYPE_LOG_HIST
2186 
2187 #define KVM_STATS_UNIT_SHIFT		4
2188 #define KVM_STATS_UNIT_MASK		(0xF << KVM_STATS_UNIT_SHIFT)
2189 #define KVM_STATS_UNIT_NONE		(0x0 << KVM_STATS_UNIT_SHIFT)
2190 #define KVM_STATS_UNIT_BYTES		(0x1 << KVM_STATS_UNIT_SHIFT)
2191 #define KVM_STATS_UNIT_SECONDS		(0x2 << KVM_STATS_UNIT_SHIFT)
2192 #define KVM_STATS_UNIT_CYCLES		(0x3 << KVM_STATS_UNIT_SHIFT)
2193 #define KVM_STATS_UNIT_BOOLEAN		(0x4 << KVM_STATS_UNIT_SHIFT)
2194 #define KVM_STATS_UNIT_MAX		KVM_STATS_UNIT_BOOLEAN
2195 
2196 #define KVM_STATS_BASE_SHIFT		8
2197 #define KVM_STATS_BASE_MASK		(0xF << KVM_STATS_BASE_SHIFT)
2198 #define KVM_STATS_BASE_POW10		(0x0 << KVM_STATS_BASE_SHIFT)
2199 #define KVM_STATS_BASE_POW2		(0x1 << KVM_STATS_BASE_SHIFT)
2200 #define KVM_STATS_BASE_MAX		KVM_STATS_BASE_POW2
2201 
2202 /**
2203  * struct kvm_stats_desc - Descriptor of a KVM statistics.
2204  * @flags: Annotations of the stats, like type, unit, etc.
2205  * @exponent: Used together with @flags to determine the unit.
2206  * @size: The number of data items for this stats.
2207  *        Every data item is of type __u64.
2208  * @offset: The offset of the stats to the start of stat structure in
2209  *          structure kvm or kvm_vcpu.
2210  * @bucket_size: A parameter value used for histogram stats. It is only used
2211  *		for linear histogram stats, specifying the size of the bucket;
2212  * @name: The name string for the stats. Its size is indicated by the
2213  *        &kvm_stats_header->name_size.
2214  */
2215 struct kvm_stats_desc {
2216 	__u32 flags;
2217 	__s16 exponent;
2218 	__u16 size;
2219 	__u32 offset;
2220 	__u32 bucket_size;
2221 	char name[];
2222 };
2223 
2224 #define KVM_GET_STATS_FD  _IO(KVMIO,  0xce)
2225 
2226 /* Available with KVM_CAP_XSAVE2 */
2227 #define KVM_GET_XSAVE2		  _IOR(KVMIO,  0xcf, struct kvm_xsave)
2228 
2229 /* Available with KVM_CAP_S390_PROTECTED_DUMP */
2230 #define KVM_S390_PV_CPU_COMMAND	_IOWR(KVMIO, 0xd0, struct kvm_pv_cmd)
2231 
2232 /* Available with KVM_CAP_X86_NOTIFY_VMEXIT */
2233 #define KVM_X86_NOTIFY_VMEXIT_ENABLED		(1ULL << 0)
2234 #define KVM_X86_NOTIFY_VMEXIT_USER		(1ULL << 1)
2235 
2236 /* Available with KVM_CAP_S390_ZPCI_OP */
2237 #define KVM_S390_ZPCI_OP         _IOW(KVMIO,  0xd1, struct kvm_s390_zpci_op)
2238 
2239 struct kvm_s390_zpci_op {
2240 	/* in */
2241 	__u32 fh;               /* target device */
2242 	__u8  op;               /* operation to perform */
2243 	__u8  pad[3];
2244 	union {
2245 		/* for KVM_S390_ZPCIOP_REG_AEN */
2246 		struct {
2247 			__u64 ibv;      /* Guest addr of interrupt bit vector */
2248 			__u64 sb;       /* Guest addr of summary bit */
2249 			__u32 flags;
2250 			__u32 noi;      /* Number of interrupts */
2251 			__u8 isc;       /* Guest interrupt subclass */
2252 			__u8 sbo;       /* Offset of guest summary bit vector */
2253 			__u16 pad;
2254 		} reg_aen;
2255 		__u64 reserved[8];
2256 	} u;
2257 };
2258 
2259 /* types for kvm_s390_zpci_op->op */
2260 #define KVM_S390_ZPCIOP_REG_AEN                0
2261 #define KVM_S390_ZPCIOP_DEREG_AEN      1
2262 
2263 /* flags for kvm_s390_zpci_op->u.reg_aen.flags */
2264 #define KVM_S390_ZPCIOP_REGAEN_HOST    (1 << 0)
2265 
2266 #endif /* __LINUX_KVM_H */
2267