xref: /qemu/linux-headers/linux/kvm.h (revision 7c1f51bf)
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 
268 /* For KVM_EXIT_INTERNAL_ERROR */
269 /* Emulate instruction failed. */
270 #define KVM_INTERNAL_ERROR_EMULATION	1
271 /* Encounter unexpected simultaneous exceptions. */
272 #define KVM_INTERNAL_ERROR_SIMUL_EX	2
273 /* Encounter unexpected vm-exit due to delivery event. */
274 #define KVM_INTERNAL_ERROR_DELIVERY_EV	3
275 /* Encounter unexpected vm-exit reason */
276 #define KVM_INTERNAL_ERROR_UNEXPECTED_EXIT_REASON	4
277 
278 /* Flags that describe what fields in emulation_failure hold valid data. */
279 #define KVM_INTERNAL_ERROR_EMULATION_FLAG_INSTRUCTION_BYTES (1ULL << 0)
280 
281 /* for KVM_RUN, returned by mmap(vcpu_fd, offset=0) */
282 struct kvm_run {
283 	/* in */
284 	__u8 request_interrupt_window;
285 	__u8 immediate_exit;
286 	__u8 padding1[6];
287 
288 	/* out */
289 	__u32 exit_reason;
290 	__u8 ready_for_interrupt_injection;
291 	__u8 if_flag;
292 	__u16 flags;
293 
294 	/* in (pre_kvm_run), out (post_kvm_run) */
295 	__u64 cr8;
296 	__u64 apic_base;
297 
298 #ifdef __KVM_S390
299 	/* the processor status word for s390 */
300 	__u64 psw_mask; /* psw upper half */
301 	__u64 psw_addr; /* psw lower half */
302 #endif
303 	union {
304 		/* KVM_EXIT_UNKNOWN */
305 		struct {
306 			__u64 hardware_exit_reason;
307 		} hw;
308 		/* KVM_EXIT_FAIL_ENTRY */
309 		struct {
310 			__u64 hardware_entry_failure_reason;
311 			__u32 cpu;
312 		} fail_entry;
313 		/* KVM_EXIT_EXCEPTION */
314 		struct {
315 			__u32 exception;
316 			__u32 error_code;
317 		} ex;
318 		/* KVM_EXIT_IO */
319 		struct {
320 #define KVM_EXIT_IO_IN  0
321 #define KVM_EXIT_IO_OUT 1
322 			__u8 direction;
323 			__u8 size; /* bytes */
324 			__u16 port;
325 			__u32 count;
326 			__u64 data_offset; /* relative to kvm_run start */
327 		} io;
328 		/* KVM_EXIT_DEBUG */
329 		struct {
330 			struct kvm_debug_exit_arch arch;
331 		} debug;
332 		/* KVM_EXIT_MMIO */
333 		struct {
334 			__u64 phys_addr;
335 			__u8  data[8];
336 			__u32 len;
337 			__u8  is_write;
338 		} mmio;
339 		/* KVM_EXIT_HYPERCALL */
340 		struct {
341 			__u64 nr;
342 			__u64 args[6];
343 			__u64 ret;
344 			__u32 longmode;
345 			__u32 pad;
346 		} hypercall;
347 		/* KVM_EXIT_TPR_ACCESS */
348 		struct {
349 			__u64 rip;
350 			__u32 is_write;
351 			__u32 pad;
352 		} tpr_access;
353 		/* KVM_EXIT_S390_SIEIC */
354 		struct {
355 			__u8 icptcode;
356 			__u16 ipa;
357 			__u32 ipb;
358 		} s390_sieic;
359 		/* KVM_EXIT_S390_RESET */
360 #define KVM_S390_RESET_POR       1
361 #define KVM_S390_RESET_CLEAR     2
362 #define KVM_S390_RESET_SUBSYSTEM 4
363 #define KVM_S390_RESET_CPU_INIT  8
364 #define KVM_S390_RESET_IPL       16
365 		__u64 s390_reset_flags;
366 		/* KVM_EXIT_S390_UCONTROL */
367 		struct {
368 			__u64 trans_exc_code;
369 			__u32 pgm_code;
370 		} s390_ucontrol;
371 		/* KVM_EXIT_DCR (deprecated) */
372 		struct {
373 			__u32 dcrn;
374 			__u32 data;
375 			__u8  is_write;
376 		} dcr;
377 		/* KVM_EXIT_INTERNAL_ERROR */
378 		struct {
379 			__u32 suberror;
380 			/* Available with KVM_CAP_INTERNAL_ERROR_DATA: */
381 			__u32 ndata;
382 			__u64 data[16];
383 		} internal;
384 		/*
385 		 * KVM_INTERNAL_ERROR_EMULATION
386 		 *
387 		 * "struct emulation_failure" is an overlay of "struct internal"
388 		 * that is used for the KVM_INTERNAL_ERROR_EMULATION sub-type of
389 		 * KVM_EXIT_INTERNAL_ERROR.  Note, unlike other internal error
390 		 * sub-types, this struct is ABI!  It also needs to be backwards
391 		 * compatible with "struct internal".  Take special care that
392 		 * "ndata" is correct, that new fields are enumerated in "flags",
393 		 * and that each flag enumerates fields that are 64-bit aligned
394 		 * and sized (so that ndata+internal.data[] is valid/accurate).
395 		 *
396 		 * Space beyond the defined fields may be used to store arbitrary
397 		 * debug information relating to the emulation failure. It is
398 		 * accounted for in "ndata" but the format is unspecified and is
399 		 * not represented in "flags". Any such information is *not* ABI!
400 		 */
401 		struct {
402 			__u32 suberror;
403 			__u32 ndata;
404 			__u64 flags;
405 			union {
406 				struct {
407 					__u8  insn_size;
408 					__u8  insn_bytes[15];
409 				};
410 			};
411 			/* Arbitrary debug data may follow. */
412 		} emulation_failure;
413 		/* KVM_EXIT_OSI */
414 		struct {
415 			__u64 gprs[32];
416 		} osi;
417 		/* KVM_EXIT_PAPR_HCALL */
418 		struct {
419 			__u64 nr;
420 			__u64 ret;
421 			__u64 args[9];
422 		} papr_hcall;
423 		/* KVM_EXIT_S390_TSCH */
424 		struct {
425 			__u16 subchannel_id;
426 			__u16 subchannel_nr;
427 			__u32 io_int_parm;
428 			__u32 io_int_word;
429 			__u32 ipb;
430 			__u8 dequeued;
431 		} s390_tsch;
432 		/* KVM_EXIT_EPR */
433 		struct {
434 			__u32 epr;
435 		} epr;
436 		/* KVM_EXIT_SYSTEM_EVENT */
437 		struct {
438 #define KVM_SYSTEM_EVENT_SHUTDOWN       1
439 #define KVM_SYSTEM_EVENT_RESET          2
440 #define KVM_SYSTEM_EVENT_CRASH          3
441 #define KVM_SYSTEM_EVENT_WAKEUP         4
442 #define KVM_SYSTEM_EVENT_SUSPEND        5
443 #define KVM_SYSTEM_EVENT_SEV_TERM       6
444 			__u32 type;
445 			__u32 ndata;
446 			union {
447 				__u64 flags;
448 				__u64 data[16];
449 			};
450 		} system_event;
451 		/* KVM_EXIT_S390_STSI */
452 		struct {
453 			__u64 addr;
454 			__u8 ar;
455 			__u8 reserved;
456 			__u8 fc;
457 			__u8 sel1;
458 			__u16 sel2;
459 		} s390_stsi;
460 		/* KVM_EXIT_IOAPIC_EOI */
461 		struct {
462 			__u8 vector;
463 		} eoi;
464 		/* KVM_EXIT_HYPERV */
465 		struct kvm_hyperv_exit hyperv;
466 		/* KVM_EXIT_ARM_NISV */
467 		struct {
468 			__u64 esr_iss;
469 			__u64 fault_ipa;
470 		} arm_nisv;
471 		/* KVM_EXIT_X86_RDMSR / KVM_EXIT_X86_WRMSR */
472 		struct {
473 			__u8 error; /* user -> kernel */
474 			__u8 pad[7];
475 #define KVM_MSR_EXIT_REASON_INVAL	(1 << 0)
476 #define KVM_MSR_EXIT_REASON_UNKNOWN	(1 << 1)
477 #define KVM_MSR_EXIT_REASON_FILTER	(1 << 2)
478 #define KVM_MSR_EXIT_REASON_VALID_MASK	(KVM_MSR_EXIT_REASON_INVAL   |	\
479 					 KVM_MSR_EXIT_REASON_UNKNOWN |	\
480 					 KVM_MSR_EXIT_REASON_FILTER)
481 			__u32 reason; /* kernel -> user */
482 			__u32 index; /* kernel -> user */
483 			__u64 data; /* kernel <-> user */
484 		} msr;
485 		/* KVM_EXIT_XEN */
486 		struct kvm_xen_exit xen;
487 		/* KVM_EXIT_RISCV_SBI */
488 		struct {
489 			unsigned long extension_id;
490 			unsigned long function_id;
491 			unsigned long args[6];
492 			unsigned long ret[2];
493 		} riscv_sbi;
494 		/* KVM_EXIT_RISCV_CSR */
495 		struct {
496 			unsigned long csr_num;
497 			unsigned long new_value;
498 			unsigned long write_mask;
499 			unsigned long ret_value;
500 		} riscv_csr;
501 		/* KVM_EXIT_NOTIFY */
502 		struct {
503 #define KVM_NOTIFY_CONTEXT_INVALID	(1 << 0)
504 			__u32 flags;
505 		} notify;
506 		/* Fix the size of the union. */
507 		char padding[256];
508 	};
509 
510 	/* 2048 is the size of the char array used to bound/pad the size
511 	 * of the union that holds sync regs.
512 	 */
513 	#define SYNC_REGS_SIZE_BYTES 2048
514 	/*
515 	 * shared registers between kvm and userspace.
516 	 * kvm_valid_regs specifies the register classes set by the host
517 	 * kvm_dirty_regs specified the register classes dirtied by userspace
518 	 * struct kvm_sync_regs is architecture specific, as well as the
519 	 * bits for kvm_valid_regs and kvm_dirty_regs
520 	 */
521 	__u64 kvm_valid_regs;
522 	__u64 kvm_dirty_regs;
523 	union {
524 		struct kvm_sync_regs regs;
525 		char padding[SYNC_REGS_SIZE_BYTES];
526 	} s;
527 };
528 
529 /* for KVM_REGISTER_COALESCED_MMIO / KVM_UNREGISTER_COALESCED_MMIO */
530 
531 struct kvm_coalesced_mmio_zone {
532 	__u64 addr;
533 	__u32 size;
534 	union {
535 		__u32 pad;
536 		__u32 pio;
537 	};
538 };
539 
540 struct kvm_coalesced_mmio {
541 	__u64 phys_addr;
542 	__u32 len;
543 	union {
544 		__u32 pad;
545 		__u32 pio;
546 	};
547 	__u8  data[8];
548 };
549 
550 struct kvm_coalesced_mmio_ring {
551 	__u32 first, last;
552 	struct kvm_coalesced_mmio coalesced_mmio[];
553 };
554 
555 #define KVM_COALESCED_MMIO_MAX \
556 	((PAGE_SIZE - sizeof(struct kvm_coalesced_mmio_ring)) / \
557 	 sizeof(struct kvm_coalesced_mmio))
558 
559 /* for KVM_TRANSLATE */
560 struct kvm_translation {
561 	/* in */
562 	__u64 linear_address;
563 
564 	/* out */
565 	__u64 physical_address;
566 	__u8  valid;
567 	__u8  writeable;
568 	__u8  usermode;
569 	__u8  pad[5];
570 };
571 
572 /* for KVM_S390_MEM_OP */
573 struct kvm_s390_mem_op {
574 	/* in */
575 	__u64 gaddr;		/* the guest address */
576 	__u64 flags;		/* flags */
577 	__u32 size;		/* amount of bytes */
578 	__u32 op;		/* type of operation */
579 	__u64 buf;		/* buffer in userspace */
580 	union {
581 		struct {
582 			__u8 ar;	/* the access register number */
583 			__u8 key;	/* access key, ignored if flag unset */
584 			__u8 pad1[6];	/* ignored */
585 			__u64 old_addr;	/* ignored if cmpxchg flag unset */
586 		};
587 		__u32 sida_offset; /* offset into the sida */
588 		__u8 reserved[32]; /* ignored */
589 	};
590 };
591 /* types for kvm_s390_mem_op->op */
592 #define KVM_S390_MEMOP_LOGICAL_READ	0
593 #define KVM_S390_MEMOP_LOGICAL_WRITE	1
594 #define KVM_S390_MEMOP_SIDA_READ	2
595 #define KVM_S390_MEMOP_SIDA_WRITE	3
596 #define KVM_S390_MEMOP_ABSOLUTE_READ	4
597 #define KVM_S390_MEMOP_ABSOLUTE_WRITE	5
598 #define KVM_S390_MEMOP_ABSOLUTE_CMPXCHG	6
599 
600 /* flags for kvm_s390_mem_op->flags */
601 #define KVM_S390_MEMOP_F_CHECK_ONLY		(1ULL << 0)
602 #define KVM_S390_MEMOP_F_INJECT_EXCEPTION	(1ULL << 1)
603 #define KVM_S390_MEMOP_F_SKEY_PROTECTION	(1ULL << 2)
604 
605 /* flags specifying extension support via KVM_CAP_S390_MEM_OP_EXTENSION */
606 #define KVM_S390_MEMOP_EXTENSION_CAP_BASE	(1 << 0)
607 #define KVM_S390_MEMOP_EXTENSION_CAP_CMPXCHG	(1 << 1)
608 
609 /* for KVM_INTERRUPT */
610 struct kvm_interrupt {
611 	/* in */
612 	__u32 irq;
613 };
614 
615 /* for KVM_GET_DIRTY_LOG */
616 struct kvm_dirty_log {
617 	__u32 slot;
618 	__u32 padding1;
619 	union {
620 		void *dirty_bitmap; /* one bit per page */
621 		__u64 padding2;
622 	};
623 };
624 
625 /* for KVM_CLEAR_DIRTY_LOG */
626 struct kvm_clear_dirty_log {
627 	__u32 slot;
628 	__u32 num_pages;
629 	__u64 first_page;
630 	union {
631 		void *dirty_bitmap; /* one bit per page */
632 		__u64 padding2;
633 	};
634 };
635 
636 /* for KVM_SET_SIGNAL_MASK */
637 struct kvm_signal_mask {
638 	__u32 len;
639 	__u8  sigset[];
640 };
641 
642 /* for KVM_TPR_ACCESS_REPORTING */
643 struct kvm_tpr_access_ctl {
644 	__u32 enabled;
645 	__u32 flags;
646 	__u32 reserved[8];
647 };
648 
649 /* for KVM_SET_VAPIC_ADDR */
650 struct kvm_vapic_addr {
651 	__u64 vapic_addr;
652 };
653 
654 /* for KVM_SET_MP_STATE */
655 
656 /* not all states are valid on all architectures */
657 #define KVM_MP_STATE_RUNNABLE          0
658 #define KVM_MP_STATE_UNINITIALIZED     1
659 #define KVM_MP_STATE_INIT_RECEIVED     2
660 #define KVM_MP_STATE_HALTED            3
661 #define KVM_MP_STATE_SIPI_RECEIVED     4
662 #define KVM_MP_STATE_STOPPED           5
663 #define KVM_MP_STATE_CHECK_STOP        6
664 #define KVM_MP_STATE_OPERATING         7
665 #define KVM_MP_STATE_LOAD              8
666 #define KVM_MP_STATE_AP_RESET_HOLD     9
667 #define KVM_MP_STATE_SUSPENDED         10
668 
669 struct kvm_mp_state {
670 	__u32 mp_state;
671 };
672 
673 struct kvm_s390_psw {
674 	__u64 mask;
675 	__u64 addr;
676 };
677 
678 /* valid values for type in kvm_s390_interrupt */
679 #define KVM_S390_SIGP_STOP		0xfffe0000u
680 #define KVM_S390_PROGRAM_INT		0xfffe0001u
681 #define KVM_S390_SIGP_SET_PREFIX	0xfffe0002u
682 #define KVM_S390_RESTART		0xfffe0003u
683 #define KVM_S390_INT_PFAULT_INIT	0xfffe0004u
684 #define KVM_S390_INT_PFAULT_DONE	0xfffe0005u
685 #define KVM_S390_MCHK			0xfffe1000u
686 #define KVM_S390_INT_CLOCK_COMP		0xffff1004u
687 #define KVM_S390_INT_CPU_TIMER		0xffff1005u
688 #define KVM_S390_INT_VIRTIO		0xffff2603u
689 #define KVM_S390_INT_SERVICE		0xffff2401u
690 #define KVM_S390_INT_EMERGENCY		0xffff1201u
691 #define KVM_S390_INT_EXTERNAL_CALL	0xffff1202u
692 /* Anything below 0xfffe0000u is taken by INT_IO */
693 #define KVM_S390_INT_IO(ai,cssid,ssid,schid)   \
694 	(((schid)) |			       \
695 	 ((ssid) << 16) |		       \
696 	 ((cssid) << 18) |		       \
697 	 ((ai) << 26))
698 #define KVM_S390_INT_IO_MIN		0x00000000u
699 #define KVM_S390_INT_IO_MAX		0xfffdffffu
700 #define KVM_S390_INT_IO_AI_MASK		0x04000000u
701 
702 
703 struct kvm_s390_interrupt {
704 	__u32 type;
705 	__u32 parm;
706 	__u64 parm64;
707 };
708 
709 struct kvm_s390_io_info {
710 	__u16 subchannel_id;
711 	__u16 subchannel_nr;
712 	__u32 io_int_parm;
713 	__u32 io_int_word;
714 };
715 
716 struct kvm_s390_ext_info {
717 	__u32 ext_params;
718 	__u32 pad;
719 	__u64 ext_params2;
720 };
721 
722 struct kvm_s390_pgm_info {
723 	__u64 trans_exc_code;
724 	__u64 mon_code;
725 	__u64 per_address;
726 	__u32 data_exc_code;
727 	__u16 code;
728 	__u16 mon_class_nr;
729 	__u8 per_code;
730 	__u8 per_atmid;
731 	__u8 exc_access_id;
732 	__u8 per_access_id;
733 	__u8 op_access_id;
734 #define KVM_S390_PGM_FLAGS_ILC_VALID	0x01
735 #define KVM_S390_PGM_FLAGS_ILC_0	0x02
736 #define KVM_S390_PGM_FLAGS_ILC_1	0x04
737 #define KVM_S390_PGM_FLAGS_ILC_MASK	0x06
738 #define KVM_S390_PGM_FLAGS_NO_REWIND	0x08
739 	__u8 flags;
740 	__u8 pad[2];
741 };
742 
743 struct kvm_s390_prefix_info {
744 	__u32 address;
745 };
746 
747 struct kvm_s390_extcall_info {
748 	__u16 code;
749 };
750 
751 struct kvm_s390_emerg_info {
752 	__u16 code;
753 };
754 
755 #define KVM_S390_STOP_FLAG_STORE_STATUS	0x01
756 struct kvm_s390_stop_info {
757 	__u32 flags;
758 };
759 
760 struct kvm_s390_mchk_info {
761 	__u64 cr14;
762 	__u64 mcic;
763 	__u64 failing_storage_address;
764 	__u32 ext_damage_code;
765 	__u32 pad;
766 	__u8 fixed_logout[16];
767 };
768 
769 struct kvm_s390_irq {
770 	__u64 type;
771 	union {
772 		struct kvm_s390_io_info io;
773 		struct kvm_s390_ext_info ext;
774 		struct kvm_s390_pgm_info pgm;
775 		struct kvm_s390_emerg_info emerg;
776 		struct kvm_s390_extcall_info extcall;
777 		struct kvm_s390_prefix_info prefix;
778 		struct kvm_s390_stop_info stop;
779 		struct kvm_s390_mchk_info mchk;
780 		char reserved[64];
781 	} u;
782 };
783 
784 struct kvm_s390_irq_state {
785 	__u64 buf;
786 	__u32 flags;        /* will stay unused for compatibility reasons */
787 	__u32 len;
788 	__u32 reserved[4];  /* will stay unused for compatibility reasons */
789 };
790 
791 /* for KVM_SET_GUEST_DEBUG */
792 
793 #define KVM_GUESTDBG_ENABLE		0x00000001
794 #define KVM_GUESTDBG_SINGLESTEP		0x00000002
795 
796 struct kvm_guest_debug {
797 	__u32 control;
798 	__u32 pad;
799 	struct kvm_guest_debug_arch arch;
800 };
801 
802 enum {
803 	kvm_ioeventfd_flag_nr_datamatch,
804 	kvm_ioeventfd_flag_nr_pio,
805 	kvm_ioeventfd_flag_nr_deassign,
806 	kvm_ioeventfd_flag_nr_virtio_ccw_notify,
807 	kvm_ioeventfd_flag_nr_fast_mmio,
808 	kvm_ioeventfd_flag_nr_max,
809 };
810 
811 #define KVM_IOEVENTFD_FLAG_DATAMATCH (1 << kvm_ioeventfd_flag_nr_datamatch)
812 #define KVM_IOEVENTFD_FLAG_PIO       (1 << kvm_ioeventfd_flag_nr_pio)
813 #define KVM_IOEVENTFD_FLAG_DEASSIGN  (1 << kvm_ioeventfd_flag_nr_deassign)
814 #define KVM_IOEVENTFD_FLAG_VIRTIO_CCW_NOTIFY \
815 	(1 << kvm_ioeventfd_flag_nr_virtio_ccw_notify)
816 
817 #define KVM_IOEVENTFD_VALID_FLAG_MASK  ((1 << kvm_ioeventfd_flag_nr_max) - 1)
818 
819 struct kvm_ioeventfd {
820 	__u64 datamatch;
821 	__u64 addr;        /* legal pio/mmio address */
822 	__u32 len;         /* 1, 2, 4, or 8 bytes; or 0 to ignore length */
823 	__s32 fd;
824 	__u32 flags;
825 	__u8  pad[36];
826 };
827 
828 #define KVM_X86_DISABLE_EXITS_MWAIT          (1 << 0)
829 #define KVM_X86_DISABLE_EXITS_HLT            (1 << 1)
830 #define KVM_X86_DISABLE_EXITS_PAUSE          (1 << 2)
831 #define KVM_X86_DISABLE_EXITS_CSTATE         (1 << 3)
832 #define KVM_X86_DISABLE_VALID_EXITS          (KVM_X86_DISABLE_EXITS_MWAIT | \
833                                               KVM_X86_DISABLE_EXITS_HLT | \
834                                               KVM_X86_DISABLE_EXITS_PAUSE | \
835                                               KVM_X86_DISABLE_EXITS_CSTATE)
836 
837 /* for KVM_ENABLE_CAP */
838 struct kvm_enable_cap {
839 	/* in */
840 	__u32 cap;
841 	__u32 flags;
842 	__u64 args[4];
843 	__u8  pad[64];
844 };
845 
846 /* for KVM_PPC_GET_PVINFO */
847 
848 #define KVM_PPC_PVINFO_FLAGS_EV_IDLE   (1<<0)
849 
850 struct kvm_ppc_pvinfo {
851 	/* out */
852 	__u32 flags;
853 	__u32 hcall[4];
854 	__u8  pad[108];
855 };
856 
857 /* for KVM_PPC_GET_SMMU_INFO */
858 #define KVM_PPC_PAGE_SIZES_MAX_SZ	8
859 
860 struct kvm_ppc_one_page_size {
861 	__u32 page_shift;	/* Page shift (or 0) */
862 	__u32 pte_enc;		/* Encoding in the HPTE (>>12) */
863 };
864 
865 struct kvm_ppc_one_seg_page_size {
866 	__u32 page_shift;	/* Base page shift of segment (or 0) */
867 	__u32 slb_enc;		/* SLB encoding for BookS */
868 	struct kvm_ppc_one_page_size enc[KVM_PPC_PAGE_SIZES_MAX_SZ];
869 };
870 
871 #define KVM_PPC_PAGE_SIZES_REAL		0x00000001
872 #define KVM_PPC_1T_SEGMENTS		0x00000002
873 #define KVM_PPC_NO_HASH			0x00000004
874 
875 struct kvm_ppc_smmu_info {
876 	__u64 flags;
877 	__u32 slb_size;
878 	__u16 data_keys;	/* # storage keys supported for data */
879 	__u16 instr_keys;	/* # storage keys supported for instructions */
880 	struct kvm_ppc_one_seg_page_size sps[KVM_PPC_PAGE_SIZES_MAX_SZ];
881 };
882 
883 /* for KVM_PPC_RESIZE_HPT_{PREPARE,COMMIT} */
884 struct kvm_ppc_resize_hpt {
885 	__u64 flags;
886 	__u32 shift;
887 	__u32 pad;
888 };
889 
890 #define KVMIO 0xAE
891 
892 /* machine type bits, to be used as argument to KVM_CREATE_VM */
893 #define KVM_VM_S390_UCONTROL	1
894 
895 /* on ppc, 0 indicate default, 1 should force HV and 2 PR */
896 #define KVM_VM_PPC_HV 1
897 #define KVM_VM_PPC_PR 2
898 
899 /* on MIPS, 0 indicates auto, 1 forces VZ ASE, 2 forces trap & emulate */
900 #define KVM_VM_MIPS_AUTO	0
901 #define KVM_VM_MIPS_VZ		1
902 #define KVM_VM_MIPS_TE		2
903 
904 #define KVM_S390_SIE_PAGE_OFFSET 1
905 
906 /*
907  * On arm64, machine type can be used to request the physical
908  * address size for the VM. Bits[7-0] are reserved for the guest
909  * PA size shift (i.e, log2(PA_Size)). For backward compatibility,
910  * value 0 implies the default IPA size, 40bits.
911  */
912 #define KVM_VM_TYPE_ARM_IPA_SIZE_MASK	0xffULL
913 #define KVM_VM_TYPE_ARM_IPA_SIZE(x)		\
914 	((x) & KVM_VM_TYPE_ARM_IPA_SIZE_MASK)
915 /*
916  * ioctls for /dev/kvm fds:
917  */
918 #define KVM_GET_API_VERSION       _IO(KVMIO,   0x00)
919 #define KVM_CREATE_VM             _IO(KVMIO,   0x01) /* returns a VM fd */
920 #define KVM_GET_MSR_INDEX_LIST    _IOWR(KVMIO, 0x02, struct kvm_msr_list)
921 
922 #define KVM_S390_ENABLE_SIE       _IO(KVMIO,   0x06)
923 /*
924  * Check if a kvm extension is available.  Argument is extension number,
925  * return is 1 (yes) or 0 (no, sorry).
926  */
927 #define KVM_CHECK_EXTENSION       _IO(KVMIO,   0x03)
928 /*
929  * Get size for mmap(vcpu_fd)
930  */
931 #define KVM_GET_VCPU_MMAP_SIZE    _IO(KVMIO,   0x04) /* in bytes */
932 #define KVM_GET_SUPPORTED_CPUID   _IOWR(KVMIO, 0x05, struct kvm_cpuid2)
933 #define KVM_TRACE_ENABLE          __KVM_DEPRECATED_MAIN_W_0x06
934 #define KVM_TRACE_PAUSE           __KVM_DEPRECATED_MAIN_0x07
935 #define KVM_TRACE_DISABLE         __KVM_DEPRECATED_MAIN_0x08
936 #define KVM_GET_EMULATED_CPUID	  _IOWR(KVMIO, 0x09, struct kvm_cpuid2)
937 #define KVM_GET_MSR_FEATURE_INDEX_LIST    _IOWR(KVMIO, 0x0a, struct kvm_msr_list)
938 
939 /*
940  * Extension capability list.
941  */
942 #define KVM_CAP_IRQCHIP	  0
943 #define KVM_CAP_HLT	  1
944 #define KVM_CAP_MMU_SHADOW_CACHE_CONTROL 2
945 #define KVM_CAP_USER_MEMORY 3
946 #define KVM_CAP_SET_TSS_ADDR 4
947 #define KVM_CAP_VAPIC 6
948 #define KVM_CAP_EXT_CPUID 7
949 #define KVM_CAP_CLOCKSOURCE 8
950 #define KVM_CAP_NR_VCPUS 9       /* returns recommended max vcpus per vm */
951 #define KVM_CAP_NR_MEMSLOTS 10   /* returns max memory slots per vm */
952 #define KVM_CAP_PIT 11
953 #define KVM_CAP_NOP_IO_DELAY 12
954 #define KVM_CAP_PV_MMU 13
955 #define KVM_CAP_MP_STATE 14
956 #define KVM_CAP_COALESCED_MMIO 15
957 #define KVM_CAP_SYNC_MMU 16  /* Changes to host mmap are reflected in guest */
958 #define KVM_CAP_IOMMU 18
959 /* Bug in KVM_SET_USER_MEMORY_REGION fixed: */
960 #define KVM_CAP_DESTROY_MEMORY_REGION_WORKS 21
961 #define KVM_CAP_USER_NMI 22
962 #ifdef __KVM_HAVE_GUEST_DEBUG
963 #define KVM_CAP_SET_GUEST_DEBUG 23
964 #endif
965 #ifdef __KVM_HAVE_PIT
966 #define KVM_CAP_REINJECT_CONTROL 24
967 #endif
968 #define KVM_CAP_IRQ_ROUTING 25
969 #define KVM_CAP_IRQ_INJECT_STATUS 26
970 #define KVM_CAP_ASSIGN_DEV_IRQ 29
971 /* Another bug in KVM_SET_USER_MEMORY_REGION fixed: */
972 #define KVM_CAP_JOIN_MEMORY_REGIONS_WORKS 30
973 #ifdef __KVM_HAVE_MCE
974 #define KVM_CAP_MCE 31
975 #endif
976 #define KVM_CAP_IRQFD 32
977 #ifdef __KVM_HAVE_PIT
978 #define KVM_CAP_PIT2 33
979 #endif
980 #define KVM_CAP_SET_BOOT_CPU_ID 34
981 #ifdef __KVM_HAVE_PIT_STATE2
982 #define KVM_CAP_PIT_STATE2 35
983 #endif
984 #define KVM_CAP_IOEVENTFD 36
985 #define KVM_CAP_SET_IDENTITY_MAP_ADDR 37
986 #ifdef __KVM_HAVE_XEN_HVM
987 #define KVM_CAP_XEN_HVM 38
988 #endif
989 #define KVM_CAP_ADJUST_CLOCK 39
990 #define KVM_CAP_INTERNAL_ERROR_DATA 40
991 #ifdef __KVM_HAVE_VCPU_EVENTS
992 #define KVM_CAP_VCPU_EVENTS 41
993 #endif
994 #define KVM_CAP_S390_PSW 42
995 #define KVM_CAP_PPC_SEGSTATE 43
996 #define KVM_CAP_HYPERV 44
997 #define KVM_CAP_HYPERV_VAPIC 45
998 #define KVM_CAP_HYPERV_SPIN 46
999 #define KVM_CAP_PCI_SEGMENT 47
1000 #define KVM_CAP_PPC_PAIRED_SINGLES 48
1001 #define KVM_CAP_INTR_SHADOW 49
1002 #ifdef __KVM_HAVE_DEBUGREGS
1003 #define KVM_CAP_DEBUGREGS 50
1004 #endif
1005 #define KVM_CAP_X86_ROBUST_SINGLESTEP 51
1006 #define KVM_CAP_PPC_OSI 52
1007 #define KVM_CAP_PPC_UNSET_IRQ 53
1008 #define KVM_CAP_ENABLE_CAP 54
1009 #ifdef __KVM_HAVE_XSAVE
1010 #define KVM_CAP_XSAVE 55
1011 #endif
1012 #ifdef __KVM_HAVE_XCRS
1013 #define KVM_CAP_XCRS 56
1014 #endif
1015 #define KVM_CAP_PPC_GET_PVINFO 57
1016 #define KVM_CAP_PPC_IRQ_LEVEL 58
1017 #define KVM_CAP_ASYNC_PF 59
1018 #define KVM_CAP_TSC_CONTROL 60
1019 #define KVM_CAP_GET_TSC_KHZ 61
1020 #define KVM_CAP_PPC_BOOKE_SREGS 62
1021 #define KVM_CAP_SPAPR_TCE 63
1022 #define KVM_CAP_PPC_SMT 64
1023 #define KVM_CAP_PPC_RMA	65
1024 #define KVM_CAP_MAX_VCPUS 66       /* returns max vcpus per vm */
1025 #define KVM_CAP_PPC_HIOR 67
1026 #define KVM_CAP_PPC_PAPR 68
1027 #define KVM_CAP_SW_TLB 69
1028 #define KVM_CAP_ONE_REG 70
1029 #define KVM_CAP_S390_GMAP 71
1030 #define KVM_CAP_TSC_DEADLINE_TIMER 72
1031 #define KVM_CAP_S390_UCONTROL 73
1032 #define KVM_CAP_SYNC_REGS 74
1033 #define KVM_CAP_PCI_2_3 75
1034 #define KVM_CAP_KVMCLOCK_CTRL 76
1035 #define KVM_CAP_SIGNAL_MSI 77
1036 #define KVM_CAP_PPC_GET_SMMU_INFO 78
1037 #define KVM_CAP_S390_COW 79
1038 #define KVM_CAP_PPC_ALLOC_HTAB 80
1039 #define KVM_CAP_READONLY_MEM 81
1040 #define KVM_CAP_IRQFD_RESAMPLE 82
1041 #define KVM_CAP_PPC_BOOKE_WATCHDOG 83
1042 #define KVM_CAP_PPC_HTAB_FD 84
1043 #define KVM_CAP_S390_CSS_SUPPORT 85
1044 #define KVM_CAP_PPC_EPR 86
1045 #define KVM_CAP_ARM_PSCI 87
1046 #define KVM_CAP_ARM_SET_DEVICE_ADDR 88
1047 #define KVM_CAP_DEVICE_CTRL 89
1048 #define KVM_CAP_IRQ_MPIC 90
1049 #define KVM_CAP_PPC_RTAS 91
1050 #define KVM_CAP_IRQ_XICS 92
1051 #define KVM_CAP_ARM_EL1_32BIT 93
1052 #define KVM_CAP_SPAPR_MULTITCE 94
1053 #define KVM_CAP_EXT_EMUL_CPUID 95
1054 #define KVM_CAP_HYPERV_TIME 96
1055 #define KVM_CAP_IOAPIC_POLARITY_IGNORED 97
1056 #define KVM_CAP_ENABLE_CAP_VM 98
1057 #define KVM_CAP_S390_IRQCHIP 99
1058 #define KVM_CAP_IOEVENTFD_NO_LENGTH 100
1059 #define KVM_CAP_VM_ATTRIBUTES 101
1060 #define KVM_CAP_ARM_PSCI_0_2 102
1061 #define KVM_CAP_PPC_FIXUP_HCALL 103
1062 #define KVM_CAP_PPC_ENABLE_HCALL 104
1063 #define KVM_CAP_CHECK_EXTENSION_VM 105
1064 #define KVM_CAP_S390_USER_SIGP 106
1065 #define KVM_CAP_S390_VECTOR_REGISTERS 107
1066 #define KVM_CAP_S390_MEM_OP 108
1067 #define KVM_CAP_S390_USER_STSI 109
1068 #define KVM_CAP_S390_SKEYS 110
1069 #define KVM_CAP_MIPS_FPU 111
1070 #define KVM_CAP_MIPS_MSA 112
1071 #define KVM_CAP_S390_INJECT_IRQ 113
1072 #define KVM_CAP_S390_IRQ_STATE 114
1073 #define KVM_CAP_PPC_HWRNG 115
1074 #define KVM_CAP_DISABLE_QUIRKS 116
1075 #define KVM_CAP_X86_SMM 117
1076 #define KVM_CAP_MULTI_ADDRESS_SPACE 118
1077 #define KVM_CAP_GUEST_DEBUG_HW_BPS 119
1078 #define KVM_CAP_GUEST_DEBUG_HW_WPS 120
1079 #define KVM_CAP_SPLIT_IRQCHIP 121
1080 #define KVM_CAP_IOEVENTFD_ANY_LENGTH 122
1081 #define KVM_CAP_HYPERV_SYNIC 123
1082 #define KVM_CAP_S390_RI 124
1083 #define KVM_CAP_SPAPR_TCE_64 125
1084 #define KVM_CAP_ARM_PMU_V3 126
1085 #define KVM_CAP_VCPU_ATTRIBUTES 127
1086 #define KVM_CAP_MAX_VCPU_ID 128
1087 #define KVM_CAP_X2APIC_API 129
1088 #define KVM_CAP_S390_USER_INSTR0 130
1089 #define KVM_CAP_MSI_DEVID 131
1090 #define KVM_CAP_PPC_HTM 132
1091 #define KVM_CAP_SPAPR_RESIZE_HPT 133
1092 #define KVM_CAP_PPC_MMU_RADIX 134
1093 #define KVM_CAP_PPC_MMU_HASH_V3 135
1094 #define KVM_CAP_IMMEDIATE_EXIT 136
1095 #define KVM_CAP_MIPS_VZ 137
1096 #define KVM_CAP_MIPS_TE 138
1097 #define KVM_CAP_MIPS_64BIT 139
1098 #define KVM_CAP_S390_GS 140
1099 #define KVM_CAP_S390_AIS 141
1100 #define KVM_CAP_SPAPR_TCE_VFIO 142
1101 #define KVM_CAP_X86_DISABLE_EXITS 143
1102 #define KVM_CAP_ARM_USER_IRQ 144
1103 #define KVM_CAP_S390_CMMA_MIGRATION 145
1104 #define KVM_CAP_PPC_FWNMI 146
1105 #define KVM_CAP_PPC_SMT_POSSIBLE 147
1106 #define KVM_CAP_HYPERV_SYNIC2 148
1107 #define KVM_CAP_HYPERV_VP_INDEX 149
1108 #define KVM_CAP_S390_AIS_MIGRATION 150
1109 #define KVM_CAP_PPC_GET_CPU_CHAR 151
1110 #define KVM_CAP_S390_BPB 152
1111 #define KVM_CAP_GET_MSR_FEATURES 153
1112 #define KVM_CAP_HYPERV_EVENTFD 154
1113 #define KVM_CAP_HYPERV_TLBFLUSH 155
1114 #define KVM_CAP_S390_HPAGE_1M 156
1115 #define KVM_CAP_NESTED_STATE 157
1116 #define KVM_CAP_ARM_INJECT_SERROR_ESR 158
1117 #define KVM_CAP_MSR_PLATFORM_INFO 159
1118 #define KVM_CAP_PPC_NESTED_HV 160
1119 #define KVM_CAP_HYPERV_SEND_IPI 161
1120 #define KVM_CAP_COALESCED_PIO 162
1121 #define KVM_CAP_HYPERV_ENLIGHTENED_VMCS 163
1122 #define KVM_CAP_EXCEPTION_PAYLOAD 164
1123 #define KVM_CAP_ARM_VM_IPA_SIZE 165
1124 #define KVM_CAP_MANUAL_DIRTY_LOG_PROTECT 166 /* Obsolete */
1125 #define KVM_CAP_HYPERV_CPUID 167
1126 #define KVM_CAP_MANUAL_DIRTY_LOG_PROTECT2 168
1127 #define KVM_CAP_PPC_IRQ_XIVE 169
1128 #define KVM_CAP_ARM_SVE 170
1129 #define KVM_CAP_ARM_PTRAUTH_ADDRESS 171
1130 #define KVM_CAP_ARM_PTRAUTH_GENERIC 172
1131 #define KVM_CAP_PMU_EVENT_FILTER 173
1132 #define KVM_CAP_ARM_IRQ_LINE_LAYOUT_2 174
1133 #define KVM_CAP_HYPERV_DIRECT_TLBFLUSH 175
1134 #define KVM_CAP_PPC_GUEST_DEBUG_SSTEP 176
1135 #define KVM_CAP_ARM_NISV_TO_USER 177
1136 #define KVM_CAP_ARM_INJECT_EXT_DABT 178
1137 #define KVM_CAP_S390_VCPU_RESETS 179
1138 #define KVM_CAP_S390_PROTECTED 180
1139 #define KVM_CAP_PPC_SECURE_GUEST 181
1140 #define KVM_CAP_HALT_POLL 182
1141 #define KVM_CAP_ASYNC_PF_INT 183
1142 #define KVM_CAP_LAST_CPU 184
1143 #define KVM_CAP_SMALLER_MAXPHYADDR 185
1144 #define KVM_CAP_S390_DIAG318 186
1145 #define KVM_CAP_STEAL_TIME 187
1146 #define KVM_CAP_X86_USER_SPACE_MSR 188
1147 #define KVM_CAP_X86_MSR_FILTER 189
1148 #define KVM_CAP_ENFORCE_PV_FEATURE_CPUID 190
1149 #define KVM_CAP_SYS_HYPERV_CPUID 191
1150 #define KVM_CAP_DIRTY_LOG_RING 192
1151 #define KVM_CAP_X86_BUS_LOCK_EXIT 193
1152 #define KVM_CAP_PPC_DAWR1 194
1153 #define KVM_CAP_SET_GUEST_DEBUG2 195
1154 #define KVM_CAP_SGX_ATTRIBUTE 196
1155 #define KVM_CAP_VM_COPY_ENC_CONTEXT_FROM 197
1156 #define KVM_CAP_PTP_KVM 198
1157 #define KVM_CAP_HYPERV_ENFORCE_CPUID 199
1158 #define KVM_CAP_SREGS2 200
1159 #define KVM_CAP_EXIT_HYPERCALL 201
1160 #define KVM_CAP_PPC_RPT_INVALIDATE 202
1161 #define KVM_CAP_BINARY_STATS_FD 203
1162 #define KVM_CAP_EXIT_ON_EMULATION_FAILURE 204
1163 #define KVM_CAP_ARM_MTE 205
1164 #define KVM_CAP_VM_MOVE_ENC_CONTEXT_FROM 206
1165 #define KVM_CAP_VM_GPA_BITS 207
1166 #define KVM_CAP_XSAVE2 208
1167 #define KVM_CAP_SYS_ATTRIBUTES 209
1168 #define KVM_CAP_PPC_AIL_MODE_3 210
1169 #define KVM_CAP_S390_MEM_OP_EXTENSION 211
1170 #define KVM_CAP_PMU_CAPABILITY 212
1171 #define KVM_CAP_DISABLE_QUIRKS2 213
1172 #define KVM_CAP_VM_TSC_CONTROL 214
1173 #define KVM_CAP_SYSTEM_EVENT_DATA 215
1174 #define KVM_CAP_ARM_SYSTEM_SUSPEND 216
1175 #define KVM_CAP_S390_PROTECTED_DUMP 217
1176 #define KVM_CAP_X86_TRIPLE_FAULT_EVENT 218
1177 #define KVM_CAP_X86_NOTIFY_VMEXIT 219
1178 #define KVM_CAP_VM_DISABLE_NX_HUGE_PAGES 220
1179 #define KVM_CAP_S390_ZPCI_OP 221
1180 #define KVM_CAP_S390_CPU_TOPOLOGY 222
1181 #define KVM_CAP_DIRTY_LOG_RING_ACQ_REL 223
1182 #define KVM_CAP_S390_PROTECTED_ASYNC_DISABLE 224
1183 #define KVM_CAP_DIRTY_LOG_RING_WITH_BITMAP 225
1184 #define KVM_CAP_PMU_EVENT_MASKED_EVENTS 226
1185 
1186 #ifdef KVM_CAP_IRQ_ROUTING
1187 
1188 struct kvm_irq_routing_irqchip {
1189 	__u32 irqchip;
1190 	__u32 pin;
1191 };
1192 
1193 struct kvm_irq_routing_msi {
1194 	__u32 address_lo;
1195 	__u32 address_hi;
1196 	__u32 data;
1197 	union {
1198 		__u32 pad;
1199 		__u32 devid;
1200 	};
1201 };
1202 
1203 struct kvm_irq_routing_s390_adapter {
1204 	__u64 ind_addr;
1205 	__u64 summary_addr;
1206 	__u64 ind_offset;
1207 	__u32 summary_offset;
1208 	__u32 adapter_id;
1209 };
1210 
1211 struct kvm_irq_routing_hv_sint {
1212 	__u32 vcpu;
1213 	__u32 sint;
1214 };
1215 
1216 struct kvm_irq_routing_xen_evtchn {
1217 	__u32 port;
1218 	__u32 vcpu;
1219 	__u32 priority;
1220 };
1221 
1222 #define KVM_IRQ_ROUTING_XEN_EVTCHN_PRIO_2LEVEL ((__u32)(-1))
1223 
1224 /* gsi routing entry types */
1225 #define KVM_IRQ_ROUTING_IRQCHIP 1
1226 #define KVM_IRQ_ROUTING_MSI 2
1227 #define KVM_IRQ_ROUTING_S390_ADAPTER 3
1228 #define KVM_IRQ_ROUTING_HV_SINT 4
1229 #define KVM_IRQ_ROUTING_XEN_EVTCHN 5
1230 
1231 struct kvm_irq_routing_entry {
1232 	__u32 gsi;
1233 	__u32 type;
1234 	__u32 flags;
1235 	__u32 pad;
1236 	union {
1237 		struct kvm_irq_routing_irqchip irqchip;
1238 		struct kvm_irq_routing_msi msi;
1239 		struct kvm_irq_routing_s390_adapter adapter;
1240 		struct kvm_irq_routing_hv_sint hv_sint;
1241 		struct kvm_irq_routing_xen_evtchn xen_evtchn;
1242 		__u32 pad[8];
1243 	} u;
1244 };
1245 
1246 struct kvm_irq_routing {
1247 	__u32 nr;
1248 	__u32 flags;
1249 	struct kvm_irq_routing_entry entries[];
1250 };
1251 
1252 #endif
1253 
1254 #ifdef KVM_CAP_MCE
1255 /* x86 MCE */
1256 struct kvm_x86_mce {
1257 	__u64 status;
1258 	__u64 addr;
1259 	__u64 misc;
1260 	__u64 mcg_status;
1261 	__u8 bank;
1262 	__u8 pad1[7];
1263 	__u64 pad2[3];
1264 };
1265 #endif
1266 
1267 #ifdef KVM_CAP_XEN_HVM
1268 #define KVM_XEN_HVM_CONFIG_HYPERCALL_MSR	(1 << 0)
1269 #define KVM_XEN_HVM_CONFIG_INTERCEPT_HCALL	(1 << 1)
1270 #define KVM_XEN_HVM_CONFIG_SHARED_INFO		(1 << 2)
1271 #define KVM_XEN_HVM_CONFIG_RUNSTATE		(1 << 3)
1272 #define KVM_XEN_HVM_CONFIG_EVTCHN_2LEVEL	(1 << 4)
1273 #define KVM_XEN_HVM_CONFIG_EVTCHN_SEND		(1 << 5)
1274 #define KVM_XEN_HVM_CONFIG_RUNSTATE_UPDATE_FLAG	(1 << 6)
1275 
1276 struct kvm_xen_hvm_config {
1277 	__u32 flags;
1278 	__u32 msr;
1279 	__u64 blob_addr_32;
1280 	__u64 blob_addr_64;
1281 	__u8 blob_size_32;
1282 	__u8 blob_size_64;
1283 	__u8 pad2[30];
1284 };
1285 #endif
1286 
1287 #define KVM_IRQFD_FLAG_DEASSIGN (1 << 0)
1288 /*
1289  * Available with KVM_CAP_IRQFD_RESAMPLE
1290  *
1291  * KVM_IRQFD_FLAG_RESAMPLE indicates resamplefd is valid and specifies
1292  * the irqfd to operate in resampling mode for level triggered interrupt
1293  * emulation.  See Documentation/virt/kvm/api.rst.
1294  */
1295 #define KVM_IRQFD_FLAG_RESAMPLE (1 << 1)
1296 
1297 struct kvm_irqfd {
1298 	__u32 fd;
1299 	__u32 gsi;
1300 	__u32 flags;
1301 	__u32 resamplefd;
1302 	__u8  pad[16];
1303 };
1304 
1305 /* For KVM_CAP_ADJUST_CLOCK */
1306 
1307 /* Do not use 1, KVM_CHECK_EXTENSION returned it before we had flags.  */
1308 #define KVM_CLOCK_TSC_STABLE		2
1309 #define KVM_CLOCK_REALTIME		(1 << 2)
1310 #define KVM_CLOCK_HOST_TSC		(1 << 3)
1311 
1312 struct kvm_clock_data {
1313 	__u64 clock;
1314 	__u32 flags;
1315 	__u32 pad0;
1316 	__u64 realtime;
1317 	__u64 host_tsc;
1318 	__u32 pad[4];
1319 };
1320 
1321 /* For KVM_CAP_SW_TLB */
1322 
1323 #define KVM_MMU_FSL_BOOKE_NOHV		0
1324 #define KVM_MMU_FSL_BOOKE_HV		1
1325 
1326 struct kvm_config_tlb {
1327 	__u64 params;
1328 	__u64 array;
1329 	__u32 mmu_type;
1330 	__u32 array_len;
1331 };
1332 
1333 struct kvm_dirty_tlb {
1334 	__u64 bitmap;
1335 	__u32 num_dirty;
1336 };
1337 
1338 /* Available with KVM_CAP_ONE_REG */
1339 
1340 #define KVM_REG_ARCH_MASK	0xff00000000000000ULL
1341 #define KVM_REG_GENERIC		0x0000000000000000ULL
1342 
1343 /*
1344  * Architecture specific registers are to be defined in arch headers and
1345  * ORed with the arch identifier.
1346  */
1347 #define KVM_REG_PPC		0x1000000000000000ULL
1348 #define KVM_REG_X86		0x2000000000000000ULL
1349 #define KVM_REG_IA64		0x3000000000000000ULL
1350 #define KVM_REG_ARM		0x4000000000000000ULL
1351 #define KVM_REG_S390		0x5000000000000000ULL
1352 #define KVM_REG_ARM64		0x6000000000000000ULL
1353 #define KVM_REG_MIPS		0x7000000000000000ULL
1354 #define KVM_REG_RISCV		0x8000000000000000ULL
1355 
1356 #define KVM_REG_SIZE_SHIFT	52
1357 #define KVM_REG_SIZE_MASK	0x00f0000000000000ULL
1358 #define KVM_REG_SIZE_U8		0x0000000000000000ULL
1359 #define KVM_REG_SIZE_U16	0x0010000000000000ULL
1360 #define KVM_REG_SIZE_U32	0x0020000000000000ULL
1361 #define KVM_REG_SIZE_U64	0x0030000000000000ULL
1362 #define KVM_REG_SIZE_U128	0x0040000000000000ULL
1363 #define KVM_REG_SIZE_U256	0x0050000000000000ULL
1364 #define KVM_REG_SIZE_U512	0x0060000000000000ULL
1365 #define KVM_REG_SIZE_U1024	0x0070000000000000ULL
1366 #define KVM_REG_SIZE_U2048	0x0080000000000000ULL
1367 
1368 struct kvm_reg_list {
1369 	__u64 n; /* number of regs */
1370 	__u64 reg[];
1371 };
1372 
1373 struct kvm_one_reg {
1374 	__u64 id;
1375 	__u64 addr;
1376 };
1377 
1378 #define KVM_MSI_VALID_DEVID	(1U << 0)
1379 struct kvm_msi {
1380 	__u32 address_lo;
1381 	__u32 address_hi;
1382 	__u32 data;
1383 	__u32 flags;
1384 	__u32 devid;
1385 	__u8  pad[12];
1386 };
1387 
1388 struct kvm_arm_device_addr {
1389 	__u64 id;
1390 	__u64 addr;
1391 };
1392 
1393 /*
1394  * Device control API, available with KVM_CAP_DEVICE_CTRL
1395  */
1396 #define KVM_CREATE_DEVICE_TEST		1
1397 
1398 struct kvm_create_device {
1399 	__u32	type;	/* in: KVM_DEV_TYPE_xxx */
1400 	__u32	fd;	/* out: device handle */
1401 	__u32	flags;	/* in: KVM_CREATE_DEVICE_xxx */
1402 };
1403 
1404 struct kvm_device_attr {
1405 	__u32	flags;		/* no flags currently defined */
1406 	__u32	group;		/* device-defined */
1407 	__u64	attr;		/* group-defined */
1408 	__u64	addr;		/* userspace address of attr data */
1409 };
1410 
1411 #define  KVM_DEV_VFIO_GROUP			1
1412 #define   KVM_DEV_VFIO_GROUP_ADD			1
1413 #define   KVM_DEV_VFIO_GROUP_DEL			2
1414 #define   KVM_DEV_VFIO_GROUP_SET_SPAPR_TCE		3
1415 
1416 enum kvm_device_type {
1417 	KVM_DEV_TYPE_FSL_MPIC_20	= 1,
1418 #define KVM_DEV_TYPE_FSL_MPIC_20	KVM_DEV_TYPE_FSL_MPIC_20
1419 	KVM_DEV_TYPE_FSL_MPIC_42,
1420 #define KVM_DEV_TYPE_FSL_MPIC_42	KVM_DEV_TYPE_FSL_MPIC_42
1421 	KVM_DEV_TYPE_XICS,
1422 #define KVM_DEV_TYPE_XICS		KVM_DEV_TYPE_XICS
1423 	KVM_DEV_TYPE_VFIO,
1424 #define KVM_DEV_TYPE_VFIO		KVM_DEV_TYPE_VFIO
1425 	KVM_DEV_TYPE_ARM_VGIC_V2,
1426 #define KVM_DEV_TYPE_ARM_VGIC_V2	KVM_DEV_TYPE_ARM_VGIC_V2
1427 	KVM_DEV_TYPE_FLIC,
1428 #define KVM_DEV_TYPE_FLIC		KVM_DEV_TYPE_FLIC
1429 	KVM_DEV_TYPE_ARM_VGIC_V3,
1430 #define KVM_DEV_TYPE_ARM_VGIC_V3	KVM_DEV_TYPE_ARM_VGIC_V3
1431 	KVM_DEV_TYPE_ARM_VGIC_ITS,
1432 #define KVM_DEV_TYPE_ARM_VGIC_ITS	KVM_DEV_TYPE_ARM_VGIC_ITS
1433 	KVM_DEV_TYPE_XIVE,
1434 #define KVM_DEV_TYPE_XIVE		KVM_DEV_TYPE_XIVE
1435 	KVM_DEV_TYPE_ARM_PV_TIME,
1436 #define KVM_DEV_TYPE_ARM_PV_TIME	KVM_DEV_TYPE_ARM_PV_TIME
1437 	KVM_DEV_TYPE_MAX,
1438 };
1439 
1440 struct kvm_vfio_spapr_tce {
1441 	__s32	groupfd;
1442 	__s32	tablefd;
1443 };
1444 
1445 /*
1446  * KVM_CREATE_VCPU receives as a parameter the vcpu slot, and returns
1447  * a vcpu fd.
1448  */
1449 #define KVM_CREATE_VCPU           _IO(KVMIO,   0x41)
1450 #define KVM_GET_DIRTY_LOG         _IOW(KVMIO,  0x42, struct kvm_dirty_log)
1451 #define KVM_SET_NR_MMU_PAGES      _IO(KVMIO,   0x44)
1452 #define KVM_GET_NR_MMU_PAGES      _IO(KVMIO,   0x45)
1453 #define KVM_SET_USER_MEMORY_REGION _IOW(KVMIO, 0x46, \
1454 					struct kvm_userspace_memory_region)
1455 #define KVM_SET_TSS_ADDR          _IO(KVMIO,   0x47)
1456 #define KVM_SET_IDENTITY_MAP_ADDR _IOW(KVMIO,  0x48, __u64)
1457 
1458 /* enable ucontrol for s390 */
1459 struct kvm_s390_ucas_mapping {
1460 	__u64 user_addr;
1461 	__u64 vcpu_addr;
1462 	__u64 length;
1463 };
1464 #define KVM_S390_UCAS_MAP        _IOW(KVMIO, 0x50, struct kvm_s390_ucas_mapping)
1465 #define KVM_S390_UCAS_UNMAP      _IOW(KVMIO, 0x51, struct kvm_s390_ucas_mapping)
1466 #define KVM_S390_VCPU_FAULT	 _IOW(KVMIO, 0x52, unsigned long)
1467 
1468 /* Device model IOC */
1469 #define KVM_CREATE_IRQCHIP        _IO(KVMIO,   0x60)
1470 #define KVM_IRQ_LINE              _IOW(KVMIO,  0x61, struct kvm_irq_level)
1471 #define KVM_GET_IRQCHIP           _IOWR(KVMIO, 0x62, struct kvm_irqchip)
1472 #define KVM_SET_IRQCHIP           _IOR(KVMIO,  0x63, struct kvm_irqchip)
1473 #define KVM_CREATE_PIT            _IO(KVMIO,   0x64)
1474 #define KVM_GET_PIT               _IOWR(KVMIO, 0x65, struct kvm_pit_state)
1475 #define KVM_SET_PIT               _IOR(KVMIO,  0x66, struct kvm_pit_state)
1476 #define KVM_IRQ_LINE_STATUS       _IOWR(KVMIO, 0x67, struct kvm_irq_level)
1477 #define KVM_REGISTER_COALESCED_MMIO \
1478 			_IOW(KVMIO,  0x67, struct kvm_coalesced_mmio_zone)
1479 #define KVM_UNREGISTER_COALESCED_MMIO \
1480 			_IOW(KVMIO,  0x68, struct kvm_coalesced_mmio_zone)
1481 #define KVM_ASSIGN_PCI_DEVICE     _IOR(KVMIO,  0x69, \
1482 				       struct kvm_assigned_pci_dev)
1483 #define KVM_SET_GSI_ROUTING       _IOW(KVMIO,  0x6a, struct kvm_irq_routing)
1484 /* deprecated, replaced by KVM_ASSIGN_DEV_IRQ */
1485 #define KVM_ASSIGN_IRQ            __KVM_DEPRECATED_VM_R_0x70
1486 #define KVM_ASSIGN_DEV_IRQ        _IOW(KVMIO,  0x70, struct kvm_assigned_irq)
1487 #define KVM_REINJECT_CONTROL      _IO(KVMIO,   0x71)
1488 #define KVM_DEASSIGN_PCI_DEVICE   _IOW(KVMIO,  0x72, \
1489 				       struct kvm_assigned_pci_dev)
1490 #define KVM_ASSIGN_SET_MSIX_NR    _IOW(KVMIO,  0x73, \
1491 				       struct kvm_assigned_msix_nr)
1492 #define KVM_ASSIGN_SET_MSIX_ENTRY _IOW(KVMIO,  0x74, \
1493 				       struct kvm_assigned_msix_entry)
1494 #define KVM_DEASSIGN_DEV_IRQ      _IOW(KVMIO,  0x75, struct kvm_assigned_irq)
1495 #define KVM_IRQFD                 _IOW(KVMIO,  0x76, struct kvm_irqfd)
1496 #define KVM_CREATE_PIT2		  _IOW(KVMIO,  0x77, struct kvm_pit_config)
1497 #define KVM_SET_BOOT_CPU_ID       _IO(KVMIO,   0x78)
1498 #define KVM_IOEVENTFD             _IOW(KVMIO,  0x79, struct kvm_ioeventfd)
1499 #define KVM_XEN_HVM_CONFIG        _IOW(KVMIO,  0x7a, struct kvm_xen_hvm_config)
1500 #define KVM_SET_CLOCK             _IOW(KVMIO,  0x7b, struct kvm_clock_data)
1501 #define KVM_GET_CLOCK             _IOR(KVMIO,  0x7c, struct kvm_clock_data)
1502 /* Available with KVM_CAP_PIT_STATE2 */
1503 #define KVM_GET_PIT2              _IOR(KVMIO,  0x9f, struct kvm_pit_state2)
1504 #define KVM_SET_PIT2              _IOW(KVMIO,  0xa0, struct kvm_pit_state2)
1505 /* Available with KVM_CAP_PPC_GET_PVINFO */
1506 #define KVM_PPC_GET_PVINFO	  _IOW(KVMIO,  0xa1, struct kvm_ppc_pvinfo)
1507 /* Available with KVM_CAP_TSC_CONTROL for a vCPU, or with
1508 *  KVM_CAP_VM_TSC_CONTROL to set defaults for a VM */
1509 #define KVM_SET_TSC_KHZ           _IO(KVMIO,  0xa2)
1510 #define KVM_GET_TSC_KHZ           _IO(KVMIO,  0xa3)
1511 /* Available with KVM_CAP_PCI_2_3 */
1512 #define KVM_ASSIGN_SET_INTX_MASK  _IOW(KVMIO,  0xa4, \
1513 				       struct kvm_assigned_pci_dev)
1514 /* Available with KVM_CAP_SIGNAL_MSI */
1515 #define KVM_SIGNAL_MSI            _IOW(KVMIO,  0xa5, struct kvm_msi)
1516 /* Available with KVM_CAP_PPC_GET_SMMU_INFO */
1517 #define KVM_PPC_GET_SMMU_INFO	  _IOR(KVMIO,  0xa6, struct kvm_ppc_smmu_info)
1518 /* Available with KVM_CAP_PPC_ALLOC_HTAB */
1519 #define KVM_PPC_ALLOCATE_HTAB	  _IOWR(KVMIO, 0xa7, __u32)
1520 #define KVM_CREATE_SPAPR_TCE	  _IOW(KVMIO,  0xa8, struct kvm_create_spapr_tce)
1521 #define KVM_CREATE_SPAPR_TCE_64	  _IOW(KVMIO,  0xa8, \
1522 				       struct kvm_create_spapr_tce_64)
1523 /* Available with KVM_CAP_RMA */
1524 #define KVM_ALLOCATE_RMA	  _IOR(KVMIO,  0xa9, struct kvm_allocate_rma)
1525 /* Available with KVM_CAP_PPC_HTAB_FD */
1526 #define KVM_PPC_GET_HTAB_FD	  _IOW(KVMIO,  0xaa, struct kvm_get_htab_fd)
1527 /* Available with KVM_CAP_ARM_SET_DEVICE_ADDR */
1528 #define KVM_ARM_SET_DEVICE_ADDR	  _IOW(KVMIO,  0xab, struct kvm_arm_device_addr)
1529 /* Available with KVM_CAP_PPC_RTAS */
1530 #define KVM_PPC_RTAS_DEFINE_TOKEN _IOW(KVMIO,  0xac, struct kvm_rtas_token_args)
1531 /* Available with KVM_CAP_SPAPR_RESIZE_HPT */
1532 #define KVM_PPC_RESIZE_HPT_PREPARE _IOR(KVMIO, 0xad, struct kvm_ppc_resize_hpt)
1533 #define KVM_PPC_RESIZE_HPT_COMMIT  _IOR(KVMIO, 0xae, struct kvm_ppc_resize_hpt)
1534 /* Available with KVM_CAP_PPC_RADIX_MMU or KVM_CAP_PPC_HASH_MMU_V3 */
1535 #define KVM_PPC_CONFIGURE_V3_MMU  _IOW(KVMIO,  0xaf, struct kvm_ppc_mmuv3_cfg)
1536 /* Available with KVM_CAP_PPC_RADIX_MMU */
1537 #define KVM_PPC_GET_RMMU_INFO	  _IOW(KVMIO,  0xb0, struct kvm_ppc_rmmu_info)
1538 /* Available with KVM_CAP_PPC_GET_CPU_CHAR */
1539 #define KVM_PPC_GET_CPU_CHAR	  _IOR(KVMIO,  0xb1, struct kvm_ppc_cpu_char)
1540 /* Available with KVM_CAP_PMU_EVENT_FILTER */
1541 #define KVM_SET_PMU_EVENT_FILTER  _IOW(KVMIO,  0xb2, struct kvm_pmu_event_filter)
1542 #define KVM_PPC_SVM_OFF		  _IO(KVMIO,  0xb3)
1543 #define KVM_ARM_MTE_COPY_TAGS	  _IOR(KVMIO,  0xb4, struct kvm_arm_copy_mte_tags)
1544 
1545 /* ioctl for vm fd */
1546 #define KVM_CREATE_DEVICE	  _IOWR(KVMIO,  0xe0, struct kvm_create_device)
1547 
1548 /* ioctls for fds returned by KVM_CREATE_DEVICE */
1549 #define KVM_SET_DEVICE_ATTR	  _IOW(KVMIO,  0xe1, struct kvm_device_attr)
1550 #define KVM_GET_DEVICE_ATTR	  _IOW(KVMIO,  0xe2, struct kvm_device_attr)
1551 #define KVM_HAS_DEVICE_ATTR	  _IOW(KVMIO,  0xe3, struct kvm_device_attr)
1552 
1553 /*
1554  * ioctls for vcpu fds
1555  */
1556 #define KVM_RUN                   _IO(KVMIO,   0x80)
1557 #define KVM_GET_REGS              _IOR(KVMIO,  0x81, struct kvm_regs)
1558 #define KVM_SET_REGS              _IOW(KVMIO,  0x82, struct kvm_regs)
1559 #define KVM_GET_SREGS             _IOR(KVMIO,  0x83, struct kvm_sregs)
1560 #define KVM_SET_SREGS             _IOW(KVMIO,  0x84, struct kvm_sregs)
1561 #define KVM_TRANSLATE             _IOWR(KVMIO, 0x85, struct kvm_translation)
1562 #define KVM_INTERRUPT             _IOW(KVMIO,  0x86, struct kvm_interrupt)
1563 /* KVM_DEBUG_GUEST is no longer supported, use KVM_SET_GUEST_DEBUG instead */
1564 #define KVM_DEBUG_GUEST           __KVM_DEPRECATED_VCPU_W_0x87
1565 #define KVM_GET_MSRS              _IOWR(KVMIO, 0x88, struct kvm_msrs)
1566 #define KVM_SET_MSRS              _IOW(KVMIO,  0x89, struct kvm_msrs)
1567 #define KVM_SET_CPUID             _IOW(KVMIO,  0x8a, struct kvm_cpuid)
1568 #define KVM_SET_SIGNAL_MASK       _IOW(KVMIO,  0x8b, struct kvm_signal_mask)
1569 #define KVM_GET_FPU               _IOR(KVMIO,  0x8c, struct kvm_fpu)
1570 #define KVM_SET_FPU               _IOW(KVMIO,  0x8d, struct kvm_fpu)
1571 #define KVM_GET_LAPIC             _IOR(KVMIO,  0x8e, struct kvm_lapic_state)
1572 #define KVM_SET_LAPIC             _IOW(KVMIO,  0x8f, struct kvm_lapic_state)
1573 #define KVM_SET_CPUID2            _IOW(KVMIO,  0x90, struct kvm_cpuid2)
1574 #define KVM_GET_CPUID2            _IOWR(KVMIO, 0x91, struct kvm_cpuid2)
1575 /* Available with KVM_CAP_VAPIC */
1576 #define KVM_TPR_ACCESS_REPORTING  _IOWR(KVMIO, 0x92, struct kvm_tpr_access_ctl)
1577 /* Available with KVM_CAP_VAPIC */
1578 #define KVM_SET_VAPIC_ADDR        _IOW(KVMIO,  0x93, struct kvm_vapic_addr)
1579 /* valid for virtual machine (for floating interrupt)_and_ vcpu */
1580 #define KVM_S390_INTERRUPT        _IOW(KVMIO,  0x94, struct kvm_s390_interrupt)
1581 /* store status for s390 */
1582 #define KVM_S390_STORE_STATUS_NOADDR    (-1ul)
1583 #define KVM_S390_STORE_STATUS_PREFIXED  (-2ul)
1584 #define KVM_S390_STORE_STATUS	  _IOW(KVMIO,  0x95, unsigned long)
1585 /* initial ipl psw for s390 */
1586 #define KVM_S390_SET_INITIAL_PSW  _IOW(KVMIO,  0x96, struct kvm_s390_psw)
1587 /* initial reset for s390 */
1588 #define KVM_S390_INITIAL_RESET    _IO(KVMIO,   0x97)
1589 #define KVM_GET_MP_STATE          _IOR(KVMIO,  0x98, struct kvm_mp_state)
1590 #define KVM_SET_MP_STATE          _IOW(KVMIO,  0x99, struct kvm_mp_state)
1591 /* Available with KVM_CAP_USER_NMI */
1592 #define KVM_NMI                   _IO(KVMIO,   0x9a)
1593 /* Available with KVM_CAP_SET_GUEST_DEBUG */
1594 #define KVM_SET_GUEST_DEBUG       _IOW(KVMIO,  0x9b, struct kvm_guest_debug)
1595 /* MCE for x86 */
1596 #define KVM_X86_SETUP_MCE         _IOW(KVMIO,  0x9c, __u64)
1597 #define KVM_X86_GET_MCE_CAP_SUPPORTED _IOR(KVMIO,  0x9d, __u64)
1598 #define KVM_X86_SET_MCE           _IOW(KVMIO,  0x9e, struct kvm_x86_mce)
1599 /* Available with KVM_CAP_VCPU_EVENTS */
1600 #define KVM_GET_VCPU_EVENTS       _IOR(KVMIO,  0x9f, struct kvm_vcpu_events)
1601 #define KVM_SET_VCPU_EVENTS       _IOW(KVMIO,  0xa0, struct kvm_vcpu_events)
1602 /* Available with KVM_CAP_DEBUGREGS */
1603 #define KVM_GET_DEBUGREGS         _IOR(KVMIO,  0xa1, struct kvm_debugregs)
1604 #define KVM_SET_DEBUGREGS         _IOW(KVMIO,  0xa2, struct kvm_debugregs)
1605 /*
1606  * vcpu version available with KVM_ENABLE_CAP
1607  * vm version available with KVM_CAP_ENABLE_CAP_VM
1608  */
1609 #define KVM_ENABLE_CAP            _IOW(KVMIO,  0xa3, struct kvm_enable_cap)
1610 /* Available with KVM_CAP_XSAVE */
1611 #define KVM_GET_XSAVE		  _IOR(KVMIO,  0xa4, struct kvm_xsave)
1612 #define KVM_SET_XSAVE		  _IOW(KVMIO,  0xa5, struct kvm_xsave)
1613 /* Available with KVM_CAP_XCRS */
1614 #define KVM_GET_XCRS		  _IOR(KVMIO,  0xa6, struct kvm_xcrs)
1615 #define KVM_SET_XCRS		  _IOW(KVMIO,  0xa7, struct kvm_xcrs)
1616 /* Available with KVM_CAP_SW_TLB */
1617 #define KVM_DIRTY_TLB		  _IOW(KVMIO,  0xaa, struct kvm_dirty_tlb)
1618 /* Available with KVM_CAP_ONE_REG */
1619 #define KVM_GET_ONE_REG		  _IOW(KVMIO,  0xab, struct kvm_one_reg)
1620 #define KVM_SET_ONE_REG		  _IOW(KVMIO,  0xac, struct kvm_one_reg)
1621 /* VM is being stopped by host */
1622 #define KVM_KVMCLOCK_CTRL	  _IO(KVMIO,   0xad)
1623 #define KVM_ARM_VCPU_INIT	  _IOW(KVMIO,  0xae, struct kvm_vcpu_init)
1624 #define KVM_ARM_PREFERRED_TARGET  _IOR(KVMIO,  0xaf, struct kvm_vcpu_init)
1625 #define KVM_GET_REG_LIST	  _IOWR(KVMIO, 0xb0, struct kvm_reg_list)
1626 /* Available with KVM_CAP_S390_MEM_OP */
1627 #define KVM_S390_MEM_OP		  _IOW(KVMIO,  0xb1, struct kvm_s390_mem_op)
1628 /* Available with KVM_CAP_S390_SKEYS */
1629 #define KVM_S390_GET_SKEYS      _IOW(KVMIO, 0xb2, struct kvm_s390_skeys)
1630 #define KVM_S390_SET_SKEYS      _IOW(KVMIO, 0xb3, struct kvm_s390_skeys)
1631 /* Available with KVM_CAP_S390_INJECT_IRQ */
1632 #define KVM_S390_IRQ              _IOW(KVMIO,  0xb4, struct kvm_s390_irq)
1633 /* Available with KVM_CAP_S390_IRQ_STATE */
1634 #define KVM_S390_SET_IRQ_STATE	  _IOW(KVMIO, 0xb5, struct kvm_s390_irq_state)
1635 #define KVM_S390_GET_IRQ_STATE	  _IOW(KVMIO, 0xb6, struct kvm_s390_irq_state)
1636 /* Available with KVM_CAP_X86_SMM */
1637 #define KVM_SMI                   _IO(KVMIO,   0xb7)
1638 /* Available with KVM_CAP_S390_CMMA_MIGRATION */
1639 #define KVM_S390_GET_CMMA_BITS      _IOWR(KVMIO, 0xb8, struct kvm_s390_cmma_log)
1640 #define KVM_S390_SET_CMMA_BITS      _IOW(KVMIO, 0xb9, struct kvm_s390_cmma_log)
1641 /* Memory Encryption Commands */
1642 #define KVM_MEMORY_ENCRYPT_OP      _IOWR(KVMIO, 0xba, unsigned long)
1643 
1644 struct kvm_enc_region {
1645 	__u64 addr;
1646 	__u64 size;
1647 };
1648 
1649 #define KVM_MEMORY_ENCRYPT_REG_REGION    _IOR(KVMIO, 0xbb, struct kvm_enc_region)
1650 #define KVM_MEMORY_ENCRYPT_UNREG_REGION  _IOR(KVMIO, 0xbc, struct kvm_enc_region)
1651 
1652 /* Available with KVM_CAP_HYPERV_EVENTFD */
1653 #define KVM_HYPERV_EVENTFD        _IOW(KVMIO,  0xbd, struct kvm_hyperv_eventfd)
1654 
1655 /* Available with KVM_CAP_NESTED_STATE */
1656 #define KVM_GET_NESTED_STATE         _IOWR(KVMIO, 0xbe, struct kvm_nested_state)
1657 #define KVM_SET_NESTED_STATE         _IOW(KVMIO,  0xbf, struct kvm_nested_state)
1658 
1659 /* Available with KVM_CAP_MANUAL_DIRTY_LOG_PROTECT_2 */
1660 #define KVM_CLEAR_DIRTY_LOG          _IOWR(KVMIO, 0xc0, struct kvm_clear_dirty_log)
1661 
1662 /* Available with KVM_CAP_HYPERV_CPUID (vcpu) / KVM_CAP_SYS_HYPERV_CPUID (system) */
1663 #define KVM_GET_SUPPORTED_HV_CPUID _IOWR(KVMIO, 0xc1, struct kvm_cpuid2)
1664 
1665 /* Available with KVM_CAP_ARM_SVE */
1666 #define KVM_ARM_VCPU_FINALIZE	  _IOW(KVMIO,  0xc2, int)
1667 
1668 /* Available with  KVM_CAP_S390_VCPU_RESETS */
1669 #define KVM_S390_NORMAL_RESET	_IO(KVMIO,   0xc3)
1670 #define KVM_S390_CLEAR_RESET	_IO(KVMIO,   0xc4)
1671 
1672 struct kvm_s390_pv_sec_parm {
1673 	__u64 origin;
1674 	__u64 length;
1675 };
1676 
1677 struct kvm_s390_pv_unp {
1678 	__u64 addr;
1679 	__u64 size;
1680 	__u64 tweak;
1681 };
1682 
1683 enum pv_cmd_dmp_id {
1684 	KVM_PV_DUMP_INIT,
1685 	KVM_PV_DUMP_CONFIG_STOR_STATE,
1686 	KVM_PV_DUMP_COMPLETE,
1687 	KVM_PV_DUMP_CPU,
1688 };
1689 
1690 struct kvm_s390_pv_dmp {
1691 	__u64 subcmd;
1692 	__u64 buff_addr;
1693 	__u64 buff_len;
1694 	__u64 gaddr;		/* For dump storage state */
1695 	__u64 reserved[4];
1696 };
1697 
1698 enum pv_cmd_info_id {
1699 	KVM_PV_INFO_VM,
1700 	KVM_PV_INFO_DUMP,
1701 };
1702 
1703 struct kvm_s390_pv_info_dump {
1704 	__u64 dump_cpu_buffer_len;
1705 	__u64 dump_config_mem_buffer_per_1m;
1706 	__u64 dump_config_finalize_len;
1707 };
1708 
1709 struct kvm_s390_pv_info_vm {
1710 	__u64 inst_calls_list[4];
1711 	__u64 max_cpus;
1712 	__u64 max_guests;
1713 	__u64 max_guest_addr;
1714 	__u64 feature_indication;
1715 };
1716 
1717 struct kvm_s390_pv_info_header {
1718 	__u32 id;
1719 	__u32 len_max;
1720 	__u32 len_written;
1721 	__u32 reserved;
1722 };
1723 
1724 struct kvm_s390_pv_info {
1725 	struct kvm_s390_pv_info_header header;
1726 	union {
1727 		struct kvm_s390_pv_info_dump dump;
1728 		struct kvm_s390_pv_info_vm vm;
1729 	};
1730 };
1731 
1732 enum pv_cmd_id {
1733 	KVM_PV_ENABLE,
1734 	KVM_PV_DISABLE,
1735 	KVM_PV_SET_SEC_PARMS,
1736 	KVM_PV_UNPACK,
1737 	KVM_PV_VERIFY,
1738 	KVM_PV_PREP_RESET,
1739 	KVM_PV_UNSHARE_ALL,
1740 	KVM_PV_INFO,
1741 	KVM_PV_DUMP,
1742 	KVM_PV_ASYNC_CLEANUP_PREPARE,
1743 	KVM_PV_ASYNC_CLEANUP_PERFORM,
1744 };
1745 
1746 struct kvm_pv_cmd {
1747 	__u32 cmd;	/* Command to be executed */
1748 	__u16 rc;	/* Ultravisor return code */
1749 	__u16 rrc;	/* Ultravisor return reason code */
1750 	__u64 data;	/* Data or address */
1751 	__u32 flags;    /* flags for future extensions. Must be 0 for now */
1752 	__u32 reserved[3];
1753 };
1754 
1755 /* Available with KVM_CAP_S390_PROTECTED */
1756 #define KVM_S390_PV_COMMAND		_IOWR(KVMIO, 0xc5, struct kvm_pv_cmd)
1757 
1758 /* Available with KVM_CAP_X86_MSR_FILTER */
1759 #define KVM_X86_SET_MSR_FILTER	_IOW(KVMIO,  0xc6, struct kvm_msr_filter)
1760 
1761 /* Available with KVM_CAP_DIRTY_LOG_RING */
1762 #define KVM_RESET_DIRTY_RINGS		_IO(KVMIO, 0xc7)
1763 
1764 /* Per-VM Xen attributes */
1765 #define KVM_XEN_HVM_GET_ATTR	_IOWR(KVMIO, 0xc8, struct kvm_xen_hvm_attr)
1766 #define KVM_XEN_HVM_SET_ATTR	_IOW(KVMIO,  0xc9, struct kvm_xen_hvm_attr)
1767 
1768 struct kvm_xen_hvm_attr {
1769 	__u16 type;
1770 	__u16 pad[3];
1771 	union {
1772 		__u8 long_mode;
1773 		__u8 vector;
1774 		__u8 runstate_update_flag;
1775 		struct {
1776 			__u64 gfn;
1777 #define KVM_XEN_INVALID_GFN ((__u64)-1)
1778 		} shared_info;
1779 		struct {
1780 			__u32 send_port;
1781 			__u32 type; /* EVTCHNSTAT_ipi / EVTCHNSTAT_interdomain */
1782 			__u32 flags;
1783 #define KVM_XEN_EVTCHN_DEASSIGN		(1 << 0)
1784 #define KVM_XEN_EVTCHN_UPDATE		(1 << 1)
1785 #define KVM_XEN_EVTCHN_RESET		(1 << 2)
1786 			/*
1787 			 * Events sent by the guest are either looped back to
1788 			 * the guest itself (potentially on a different port#)
1789 			 * or signalled via an eventfd.
1790 			 */
1791 			union {
1792 				struct {
1793 					__u32 port;
1794 					__u32 vcpu;
1795 					__u32 priority;
1796 				} port;
1797 				struct {
1798 					__u32 port; /* Zero for eventfd */
1799 					__s32 fd;
1800 				} eventfd;
1801 				__u32 padding[4];
1802 			} deliver;
1803 		} evtchn;
1804 		__u32 xen_version;
1805 		__u64 pad[8];
1806 	} u;
1807 };
1808 
1809 
1810 /* Available with KVM_CAP_XEN_HVM / KVM_XEN_HVM_CONFIG_SHARED_INFO */
1811 #define KVM_XEN_ATTR_TYPE_LONG_MODE		0x0
1812 #define KVM_XEN_ATTR_TYPE_SHARED_INFO		0x1
1813 #define KVM_XEN_ATTR_TYPE_UPCALL_VECTOR		0x2
1814 /* Available with KVM_CAP_XEN_HVM / KVM_XEN_HVM_CONFIG_EVTCHN_SEND */
1815 #define KVM_XEN_ATTR_TYPE_EVTCHN		0x3
1816 #define KVM_XEN_ATTR_TYPE_XEN_VERSION		0x4
1817 /* Available with KVM_CAP_XEN_HVM / KVM_XEN_HVM_CONFIG_RUNSTATE_UPDATE_FLAG */
1818 #define KVM_XEN_ATTR_TYPE_RUNSTATE_UPDATE_FLAG	0x5
1819 
1820 /* Per-vCPU Xen attributes */
1821 #define KVM_XEN_VCPU_GET_ATTR	_IOWR(KVMIO, 0xca, struct kvm_xen_vcpu_attr)
1822 #define KVM_XEN_VCPU_SET_ATTR	_IOW(KVMIO,  0xcb, struct kvm_xen_vcpu_attr)
1823 
1824 /* Available with KVM_CAP_XEN_HVM / KVM_XEN_HVM_CONFIG_EVTCHN_SEND */
1825 #define KVM_XEN_HVM_EVTCHN_SEND	_IOW(KVMIO,  0xd0, struct kvm_irq_routing_xen_evtchn)
1826 
1827 #define KVM_GET_SREGS2             _IOR(KVMIO,  0xcc, struct kvm_sregs2)
1828 #define KVM_SET_SREGS2             _IOW(KVMIO,  0xcd, struct kvm_sregs2)
1829 
1830 struct kvm_xen_vcpu_attr {
1831 	__u16 type;
1832 	__u16 pad[3];
1833 	union {
1834 		__u64 gpa;
1835 #define KVM_XEN_INVALID_GPA ((__u64)-1)
1836 		__u64 pad[8];
1837 		struct {
1838 			__u64 state;
1839 			__u64 state_entry_time;
1840 			__u64 time_running;
1841 			__u64 time_runnable;
1842 			__u64 time_blocked;
1843 			__u64 time_offline;
1844 		} runstate;
1845 		__u32 vcpu_id;
1846 		struct {
1847 			__u32 port;
1848 			__u32 priority;
1849 			__u64 expires_ns;
1850 		} timer;
1851 		__u8 vector;
1852 	} u;
1853 };
1854 
1855 /* Available with KVM_CAP_XEN_HVM / KVM_XEN_HVM_CONFIG_SHARED_INFO */
1856 #define KVM_XEN_VCPU_ATTR_TYPE_VCPU_INFO	0x0
1857 #define KVM_XEN_VCPU_ATTR_TYPE_VCPU_TIME_INFO	0x1
1858 #define KVM_XEN_VCPU_ATTR_TYPE_RUNSTATE_ADDR	0x2
1859 #define KVM_XEN_VCPU_ATTR_TYPE_RUNSTATE_CURRENT	0x3
1860 #define KVM_XEN_VCPU_ATTR_TYPE_RUNSTATE_DATA	0x4
1861 #define KVM_XEN_VCPU_ATTR_TYPE_RUNSTATE_ADJUST	0x5
1862 /* Available with KVM_CAP_XEN_HVM / KVM_XEN_HVM_CONFIG_EVTCHN_SEND */
1863 #define KVM_XEN_VCPU_ATTR_TYPE_VCPU_ID		0x6
1864 #define KVM_XEN_VCPU_ATTR_TYPE_TIMER		0x7
1865 #define KVM_XEN_VCPU_ATTR_TYPE_UPCALL_VECTOR	0x8
1866 
1867 /* Secure Encrypted Virtualization command */
1868 enum sev_cmd_id {
1869 	/* Guest initialization commands */
1870 	KVM_SEV_INIT = 0,
1871 	KVM_SEV_ES_INIT,
1872 	/* Guest launch commands */
1873 	KVM_SEV_LAUNCH_START,
1874 	KVM_SEV_LAUNCH_UPDATE_DATA,
1875 	KVM_SEV_LAUNCH_UPDATE_VMSA,
1876 	KVM_SEV_LAUNCH_SECRET,
1877 	KVM_SEV_LAUNCH_MEASURE,
1878 	KVM_SEV_LAUNCH_FINISH,
1879 	/* Guest migration commands (outgoing) */
1880 	KVM_SEV_SEND_START,
1881 	KVM_SEV_SEND_UPDATE_DATA,
1882 	KVM_SEV_SEND_UPDATE_VMSA,
1883 	KVM_SEV_SEND_FINISH,
1884 	/* Guest migration commands (incoming) */
1885 	KVM_SEV_RECEIVE_START,
1886 	KVM_SEV_RECEIVE_UPDATE_DATA,
1887 	KVM_SEV_RECEIVE_UPDATE_VMSA,
1888 	KVM_SEV_RECEIVE_FINISH,
1889 	/* Guest status and debug commands */
1890 	KVM_SEV_GUEST_STATUS,
1891 	KVM_SEV_DBG_DECRYPT,
1892 	KVM_SEV_DBG_ENCRYPT,
1893 	/* Guest certificates commands */
1894 	KVM_SEV_CERT_EXPORT,
1895 	/* Attestation report */
1896 	KVM_SEV_GET_ATTESTATION_REPORT,
1897 	/* Guest Migration Extension */
1898 	KVM_SEV_SEND_CANCEL,
1899 
1900 	KVM_SEV_NR_MAX,
1901 };
1902 
1903 struct kvm_sev_cmd {
1904 	__u32 id;
1905 	__u64 data;
1906 	__u32 error;
1907 	__u32 sev_fd;
1908 };
1909 
1910 struct kvm_sev_launch_start {
1911 	__u32 handle;
1912 	__u32 policy;
1913 	__u64 dh_uaddr;
1914 	__u32 dh_len;
1915 	__u64 session_uaddr;
1916 	__u32 session_len;
1917 };
1918 
1919 struct kvm_sev_launch_update_data {
1920 	__u64 uaddr;
1921 	__u32 len;
1922 };
1923 
1924 
1925 struct kvm_sev_launch_secret {
1926 	__u64 hdr_uaddr;
1927 	__u32 hdr_len;
1928 	__u64 guest_uaddr;
1929 	__u32 guest_len;
1930 	__u64 trans_uaddr;
1931 	__u32 trans_len;
1932 };
1933 
1934 struct kvm_sev_launch_measure {
1935 	__u64 uaddr;
1936 	__u32 len;
1937 };
1938 
1939 struct kvm_sev_guest_status {
1940 	__u32 handle;
1941 	__u32 policy;
1942 	__u32 state;
1943 };
1944 
1945 struct kvm_sev_dbg {
1946 	__u64 src_uaddr;
1947 	__u64 dst_uaddr;
1948 	__u32 len;
1949 };
1950 
1951 struct kvm_sev_attestation_report {
1952 	__u8 mnonce[16];
1953 	__u64 uaddr;
1954 	__u32 len;
1955 };
1956 
1957 struct kvm_sev_send_start {
1958 	__u32 policy;
1959 	__u64 pdh_cert_uaddr;
1960 	__u32 pdh_cert_len;
1961 	__u64 plat_certs_uaddr;
1962 	__u32 plat_certs_len;
1963 	__u64 amd_certs_uaddr;
1964 	__u32 amd_certs_len;
1965 	__u64 session_uaddr;
1966 	__u32 session_len;
1967 };
1968 
1969 struct kvm_sev_send_update_data {
1970 	__u64 hdr_uaddr;
1971 	__u32 hdr_len;
1972 	__u64 guest_uaddr;
1973 	__u32 guest_len;
1974 	__u64 trans_uaddr;
1975 	__u32 trans_len;
1976 };
1977 
1978 struct kvm_sev_receive_start {
1979 	__u32 handle;
1980 	__u32 policy;
1981 	__u64 pdh_uaddr;
1982 	__u32 pdh_len;
1983 	__u64 session_uaddr;
1984 	__u32 session_len;
1985 };
1986 
1987 struct kvm_sev_receive_update_data {
1988 	__u64 hdr_uaddr;
1989 	__u32 hdr_len;
1990 	__u64 guest_uaddr;
1991 	__u32 guest_len;
1992 	__u64 trans_uaddr;
1993 	__u32 trans_len;
1994 };
1995 
1996 #define KVM_DEV_ASSIGN_ENABLE_IOMMU	(1 << 0)
1997 #define KVM_DEV_ASSIGN_PCI_2_3		(1 << 1)
1998 #define KVM_DEV_ASSIGN_MASK_INTX	(1 << 2)
1999 
2000 struct kvm_assigned_pci_dev {
2001 	__u32 assigned_dev_id;
2002 	__u32 busnr;
2003 	__u32 devfn;
2004 	__u32 flags;
2005 	__u32 segnr;
2006 	union {
2007 		__u32 reserved[11];
2008 	};
2009 };
2010 
2011 #define KVM_DEV_IRQ_HOST_INTX    (1 << 0)
2012 #define KVM_DEV_IRQ_HOST_MSI     (1 << 1)
2013 #define KVM_DEV_IRQ_HOST_MSIX    (1 << 2)
2014 
2015 #define KVM_DEV_IRQ_GUEST_INTX   (1 << 8)
2016 #define KVM_DEV_IRQ_GUEST_MSI    (1 << 9)
2017 #define KVM_DEV_IRQ_GUEST_MSIX   (1 << 10)
2018 
2019 #define KVM_DEV_IRQ_HOST_MASK	 0x00ff
2020 #define KVM_DEV_IRQ_GUEST_MASK   0xff00
2021 
2022 struct kvm_assigned_irq {
2023 	__u32 assigned_dev_id;
2024 	__u32 host_irq; /* ignored (legacy field) */
2025 	__u32 guest_irq;
2026 	__u32 flags;
2027 	union {
2028 		__u32 reserved[12];
2029 	};
2030 };
2031 
2032 struct kvm_assigned_msix_nr {
2033 	__u32 assigned_dev_id;
2034 	__u16 entry_nr;
2035 	__u16 padding;
2036 };
2037 
2038 #define KVM_MAX_MSIX_PER_DEV		256
2039 struct kvm_assigned_msix_entry {
2040 	__u32 assigned_dev_id;
2041 	__u32 gsi;
2042 	__u16 entry; /* The index of entry in the MSI-X table */
2043 	__u16 padding[3];
2044 };
2045 
2046 #define KVM_X2APIC_API_USE_32BIT_IDS            (1ULL << 0)
2047 #define KVM_X2APIC_API_DISABLE_BROADCAST_QUIRK  (1ULL << 1)
2048 
2049 /* Available with KVM_CAP_ARM_USER_IRQ */
2050 
2051 /* Bits for run->s.regs.device_irq_level */
2052 #define KVM_ARM_DEV_EL1_VTIMER		(1 << 0)
2053 #define KVM_ARM_DEV_EL1_PTIMER		(1 << 1)
2054 #define KVM_ARM_DEV_PMU			(1 << 2)
2055 
2056 struct kvm_hyperv_eventfd {
2057 	__u32 conn_id;
2058 	__s32 fd;
2059 	__u32 flags;
2060 	__u32 padding[3];
2061 };
2062 
2063 #define KVM_HYPERV_CONN_ID_MASK		0x00ffffff
2064 #define KVM_HYPERV_EVENTFD_DEASSIGN	(1 << 0)
2065 
2066 #define KVM_DIRTY_LOG_MANUAL_PROTECT_ENABLE    (1 << 0)
2067 #define KVM_DIRTY_LOG_INITIALLY_SET            (1 << 1)
2068 
2069 /*
2070  * Arch needs to define the macro after implementing the dirty ring
2071  * feature.  KVM_DIRTY_LOG_PAGE_OFFSET should be defined as the
2072  * starting page offset of the dirty ring structures.
2073  */
2074 #ifndef KVM_DIRTY_LOG_PAGE_OFFSET
2075 #define KVM_DIRTY_LOG_PAGE_OFFSET 0
2076 #endif
2077 
2078 /*
2079  * KVM dirty GFN flags, defined as:
2080  *
2081  * |---------------+---------------+--------------|
2082  * | bit 1 (reset) | bit 0 (dirty) | Status       |
2083  * |---------------+---------------+--------------|
2084  * |             0 |             0 | Invalid GFN  |
2085  * |             0 |             1 | Dirty GFN    |
2086  * |             1 |             X | GFN to reset |
2087  * |---------------+---------------+--------------|
2088  *
2089  * Lifecycle of a dirty GFN goes like:
2090  *
2091  *      dirtied         harvested        reset
2092  * 00 -----------> 01 -------------> 1X -------+
2093  *  ^                                          |
2094  *  |                                          |
2095  *  +------------------------------------------+
2096  *
2097  * The userspace program is only responsible for the 01->1X state
2098  * conversion after harvesting an entry.  Also, it must not skip any
2099  * dirty bits, so that dirty bits are always harvested in sequence.
2100  */
2101 #define KVM_DIRTY_GFN_F_DIRTY           _BITUL(0)
2102 #define KVM_DIRTY_GFN_F_RESET           _BITUL(1)
2103 #define KVM_DIRTY_GFN_F_MASK            0x3
2104 
2105 /*
2106  * KVM dirty rings should be mapped at KVM_DIRTY_LOG_PAGE_OFFSET of
2107  * per-vcpu mmaped regions as an array of struct kvm_dirty_gfn.  The
2108  * size of the gfn buffer is decided by the first argument when
2109  * enabling KVM_CAP_DIRTY_LOG_RING.
2110  */
2111 struct kvm_dirty_gfn {
2112 	__u32 flags;
2113 	__u32 slot;
2114 	__u64 offset;
2115 };
2116 
2117 #define KVM_BUS_LOCK_DETECTION_OFF             (1 << 0)
2118 #define KVM_BUS_LOCK_DETECTION_EXIT            (1 << 1)
2119 
2120 #define KVM_PMU_CAP_DISABLE                    (1 << 0)
2121 
2122 /**
2123  * struct kvm_stats_header - Header of per vm/vcpu binary statistics data.
2124  * @flags: Some extra information for header, always 0 for now.
2125  * @name_size: The size in bytes of the memory which contains statistics
2126  *             name string including trailing '\0'. The memory is allocated
2127  *             at the send of statistics descriptor.
2128  * @num_desc: The number of statistics the vm or vcpu has.
2129  * @id_offset: The offset of the vm/vcpu stats' id string in the file pointed
2130  *             by vm/vcpu stats fd.
2131  * @desc_offset: The offset of the vm/vcpu stats' descriptor block in the file
2132  *               pointd by vm/vcpu stats fd.
2133  * @data_offset: The offset of the vm/vcpu stats' data block in the file
2134  *               pointed by vm/vcpu stats fd.
2135  *
2136  * This is the header userspace needs to read from stats fd before any other
2137  * readings. It is used by userspace to discover all the information about the
2138  * vm/vcpu's binary statistics.
2139  * Userspace reads this header from the start of the vm/vcpu's stats fd.
2140  */
2141 struct kvm_stats_header {
2142 	__u32 flags;
2143 	__u32 name_size;
2144 	__u32 num_desc;
2145 	__u32 id_offset;
2146 	__u32 desc_offset;
2147 	__u32 data_offset;
2148 };
2149 
2150 #define KVM_STATS_TYPE_SHIFT		0
2151 #define KVM_STATS_TYPE_MASK		(0xF << KVM_STATS_TYPE_SHIFT)
2152 #define KVM_STATS_TYPE_CUMULATIVE	(0x0 << KVM_STATS_TYPE_SHIFT)
2153 #define KVM_STATS_TYPE_INSTANT		(0x1 << KVM_STATS_TYPE_SHIFT)
2154 #define KVM_STATS_TYPE_PEAK		(0x2 << KVM_STATS_TYPE_SHIFT)
2155 #define KVM_STATS_TYPE_LINEAR_HIST	(0x3 << KVM_STATS_TYPE_SHIFT)
2156 #define KVM_STATS_TYPE_LOG_HIST		(0x4 << KVM_STATS_TYPE_SHIFT)
2157 #define KVM_STATS_TYPE_MAX		KVM_STATS_TYPE_LOG_HIST
2158 
2159 #define KVM_STATS_UNIT_SHIFT		4
2160 #define KVM_STATS_UNIT_MASK		(0xF << KVM_STATS_UNIT_SHIFT)
2161 #define KVM_STATS_UNIT_NONE		(0x0 << KVM_STATS_UNIT_SHIFT)
2162 #define KVM_STATS_UNIT_BYTES		(0x1 << KVM_STATS_UNIT_SHIFT)
2163 #define KVM_STATS_UNIT_SECONDS		(0x2 << KVM_STATS_UNIT_SHIFT)
2164 #define KVM_STATS_UNIT_CYCLES		(0x3 << KVM_STATS_UNIT_SHIFT)
2165 #define KVM_STATS_UNIT_BOOLEAN		(0x4 << KVM_STATS_UNIT_SHIFT)
2166 #define KVM_STATS_UNIT_MAX		KVM_STATS_UNIT_BOOLEAN
2167 
2168 #define KVM_STATS_BASE_SHIFT		8
2169 #define KVM_STATS_BASE_MASK		(0xF << KVM_STATS_BASE_SHIFT)
2170 #define KVM_STATS_BASE_POW10		(0x0 << KVM_STATS_BASE_SHIFT)
2171 #define KVM_STATS_BASE_POW2		(0x1 << KVM_STATS_BASE_SHIFT)
2172 #define KVM_STATS_BASE_MAX		KVM_STATS_BASE_POW2
2173 
2174 /**
2175  * struct kvm_stats_desc - Descriptor of a KVM statistics.
2176  * @flags: Annotations of the stats, like type, unit, etc.
2177  * @exponent: Used together with @flags to determine the unit.
2178  * @size: The number of data items for this stats.
2179  *        Every data item is of type __u64.
2180  * @offset: The offset of the stats to the start of stat structure in
2181  *          structure kvm or kvm_vcpu.
2182  * @bucket_size: A parameter value used for histogram stats. It is only used
2183  *		for linear histogram stats, specifying the size of the bucket;
2184  * @name: The name string for the stats. Its size is indicated by the
2185  *        &kvm_stats_header->name_size.
2186  */
2187 struct kvm_stats_desc {
2188 	__u32 flags;
2189 	__s16 exponent;
2190 	__u16 size;
2191 	__u32 offset;
2192 	__u32 bucket_size;
2193 	char name[];
2194 };
2195 
2196 #define KVM_GET_STATS_FD  _IO(KVMIO,  0xce)
2197 
2198 /* Available with KVM_CAP_XSAVE2 */
2199 #define KVM_GET_XSAVE2		  _IOR(KVMIO,  0xcf, struct kvm_xsave)
2200 
2201 /* Available with KVM_CAP_S390_PROTECTED_DUMP */
2202 #define KVM_S390_PV_CPU_COMMAND	_IOWR(KVMIO, 0xd0, struct kvm_pv_cmd)
2203 
2204 /* Available with KVM_CAP_X86_NOTIFY_VMEXIT */
2205 #define KVM_X86_NOTIFY_VMEXIT_ENABLED		(1ULL << 0)
2206 #define KVM_X86_NOTIFY_VMEXIT_USER		(1ULL << 1)
2207 
2208 /* Available with KVM_CAP_S390_ZPCI_OP */
2209 #define KVM_S390_ZPCI_OP         _IOW(KVMIO,  0xd1, struct kvm_s390_zpci_op)
2210 
2211 struct kvm_s390_zpci_op {
2212 	/* in */
2213 	__u32 fh;               /* target device */
2214 	__u8  op;               /* operation to perform */
2215 	__u8  pad[3];
2216 	union {
2217 		/* for KVM_S390_ZPCIOP_REG_AEN */
2218 		struct {
2219 			__u64 ibv;      /* Guest addr of interrupt bit vector */
2220 			__u64 sb;       /* Guest addr of summary bit */
2221 			__u32 flags;
2222 			__u32 noi;      /* Number of interrupts */
2223 			__u8 isc;       /* Guest interrupt subclass */
2224 			__u8 sbo;       /* Offset of guest summary bit vector */
2225 			__u16 pad;
2226 		} reg_aen;
2227 		__u64 reserved[8];
2228 	} u;
2229 };
2230 
2231 /* types for kvm_s390_zpci_op->op */
2232 #define KVM_S390_ZPCIOP_REG_AEN                0
2233 #define KVM_S390_ZPCIOP_DEREG_AEN      1
2234 
2235 /* flags for kvm_s390_zpci_op->u.reg_aen.flags */
2236 #define KVM_S390_ZPCIOP_REGAEN_HOST    (1 << 0)
2237 
2238 #endif /* __LINUX_KVM_H */
2239