xref: /qemu/linux-headers/linux/kvm.h (revision 2f28d2ff)
1 #ifndef __LINUX_KVM_H
2 #define __LINUX_KVM_H
3 
4 /*
5  * Userspace interface for /dev/kvm - kernel based virtual machine
6  *
7  * Note: you must update KVM_API_VERSION if you change this interface.
8  */
9 
10 #include <linux/types.h>
11 
12 #include <linux/ioctl.h>
13 #include <asm/kvm.h>
14 
15 #define KVM_API_VERSION 12
16 
17 /* *** Deprecated interfaces *** */
18 
19 #define KVM_TRC_SHIFT           16
20 
21 #define KVM_TRC_ENTRYEXIT       (1 << KVM_TRC_SHIFT)
22 #define KVM_TRC_HANDLER         (1 << (KVM_TRC_SHIFT + 1))
23 
24 #define KVM_TRC_VMENTRY         (KVM_TRC_ENTRYEXIT + 0x01)
25 #define KVM_TRC_VMEXIT          (KVM_TRC_ENTRYEXIT + 0x02)
26 #define KVM_TRC_PAGE_FAULT      (KVM_TRC_HANDLER + 0x01)
27 
28 #define KVM_TRC_HEAD_SIZE       12
29 #define KVM_TRC_CYCLE_SIZE      8
30 #define KVM_TRC_EXTRA_MAX       7
31 
32 #define KVM_TRC_INJ_VIRQ         (KVM_TRC_HANDLER + 0x02)
33 #define KVM_TRC_REDELIVER_EVT    (KVM_TRC_HANDLER + 0x03)
34 #define KVM_TRC_PEND_INTR        (KVM_TRC_HANDLER + 0x04)
35 #define KVM_TRC_IO_READ          (KVM_TRC_HANDLER + 0x05)
36 #define KVM_TRC_IO_WRITE         (KVM_TRC_HANDLER + 0x06)
37 #define KVM_TRC_CR_READ          (KVM_TRC_HANDLER + 0x07)
38 #define KVM_TRC_CR_WRITE         (KVM_TRC_HANDLER + 0x08)
39 #define KVM_TRC_DR_READ          (KVM_TRC_HANDLER + 0x09)
40 #define KVM_TRC_DR_WRITE         (KVM_TRC_HANDLER + 0x0A)
41 #define KVM_TRC_MSR_READ         (KVM_TRC_HANDLER + 0x0B)
42 #define KVM_TRC_MSR_WRITE        (KVM_TRC_HANDLER + 0x0C)
43 #define KVM_TRC_CPUID            (KVM_TRC_HANDLER + 0x0D)
44 #define KVM_TRC_INTR             (KVM_TRC_HANDLER + 0x0E)
45 #define KVM_TRC_NMI              (KVM_TRC_HANDLER + 0x0F)
46 #define KVM_TRC_VMMCALL          (KVM_TRC_HANDLER + 0x10)
47 #define KVM_TRC_HLT              (KVM_TRC_HANDLER + 0x11)
48 #define KVM_TRC_CLTS             (KVM_TRC_HANDLER + 0x12)
49 #define KVM_TRC_LMSW             (KVM_TRC_HANDLER + 0x13)
50 #define KVM_TRC_APIC_ACCESS      (KVM_TRC_HANDLER + 0x14)
51 #define KVM_TRC_TDP_FAULT        (KVM_TRC_HANDLER + 0x15)
52 #define KVM_TRC_GTLB_WRITE       (KVM_TRC_HANDLER + 0x16)
53 #define KVM_TRC_STLB_WRITE       (KVM_TRC_HANDLER + 0x17)
54 #define KVM_TRC_STLB_INVAL       (KVM_TRC_HANDLER + 0x18)
55 #define KVM_TRC_PPC_INSTR        (KVM_TRC_HANDLER + 0x19)
56 
57 struct kvm_user_trace_setup {
58 	__u32 buf_size;
59 	__u32 buf_nr;
60 };
61 
62 #define __KVM_DEPRECATED_MAIN_W_0x06 \
63 	_IOW(KVMIO, 0x06, struct kvm_user_trace_setup)
64 #define __KVM_DEPRECATED_MAIN_0x07 _IO(KVMIO, 0x07)
65 #define __KVM_DEPRECATED_MAIN_0x08 _IO(KVMIO, 0x08)
66 
67 #define __KVM_DEPRECATED_VM_R_0x70 _IOR(KVMIO, 0x70, struct kvm_assigned_irq)
68 
69 struct kvm_breakpoint {
70 	__u32 enabled;
71 	__u32 padding;
72 	__u64 address;
73 };
74 
75 struct kvm_debug_guest {
76 	__u32 enabled;
77 	__u32 pad;
78 	struct kvm_breakpoint breakpoints[4];
79 	__u32 singlestep;
80 };
81 
82 #define __KVM_DEPRECATED_VCPU_W_0x87 _IOW(KVMIO, 0x87, struct kvm_debug_guest)
83 
84 /* *** End of deprecated interfaces *** */
85 
86 
87 /* for KVM_CREATE_MEMORY_REGION */
88 struct kvm_memory_region {
89 	__u32 slot;
90 	__u32 flags;
91 	__u64 guest_phys_addr;
92 	__u64 memory_size; /* bytes */
93 };
94 
95 /* for KVM_SET_USER_MEMORY_REGION */
96 struct kvm_userspace_memory_region {
97 	__u32 slot;
98 	__u32 flags;
99 	__u64 guest_phys_addr;
100 	__u64 memory_size; /* bytes */
101 	__u64 userspace_addr; /* start of the userspace allocated memory */
102 };
103 
104 /* for kvm_memory_region::flags */
105 #define KVM_MEM_LOG_DIRTY_PAGES  1UL
106 #define KVM_MEMSLOT_INVALID      (1UL << 1)
107 
108 /* for KVM_IRQ_LINE */
109 struct kvm_irq_level {
110 	/*
111 	 * ACPI gsi notion of irq.
112 	 * For IA-64 (APIC model) IOAPIC0: irq 0-23; IOAPIC1: irq 24-47..
113 	 * For X86 (standard AT mode) PIC0/1: irq 0-15. IOAPIC0: 0-23..
114 	 */
115 	union {
116 		__u32 irq;
117 		__s32 status;
118 	};
119 	__u32 level;
120 };
121 
122 
123 struct kvm_irqchip {
124 	__u32 chip_id;
125 	__u32 pad;
126         union {
127 		char dummy[512];  /* reserving space */
128 #ifdef __KVM_HAVE_PIT
129 		struct kvm_pic_state pic;
130 #endif
131 #ifdef __KVM_HAVE_IOAPIC
132 		struct kvm_ioapic_state ioapic;
133 #endif
134 	} chip;
135 };
136 
137 /* for KVM_CREATE_PIT2 */
138 struct kvm_pit_config {
139 	__u32 flags;
140 	__u32 pad[15];
141 };
142 
143 #define KVM_PIT_SPEAKER_DUMMY     1
144 
145 #define KVM_EXIT_UNKNOWN          0
146 #define KVM_EXIT_EXCEPTION        1
147 #define KVM_EXIT_IO               2
148 #define KVM_EXIT_HYPERCALL        3
149 #define KVM_EXIT_DEBUG            4
150 #define KVM_EXIT_HLT              5
151 #define KVM_EXIT_MMIO             6
152 #define KVM_EXIT_IRQ_WINDOW_OPEN  7
153 #define KVM_EXIT_SHUTDOWN         8
154 #define KVM_EXIT_FAIL_ENTRY       9
155 #define KVM_EXIT_INTR             10
156 #define KVM_EXIT_SET_TPR          11
157 #define KVM_EXIT_TPR_ACCESS       12
158 #define KVM_EXIT_S390_SIEIC       13
159 #define KVM_EXIT_S390_RESET       14
160 #define KVM_EXIT_DCR              15
161 #define KVM_EXIT_NMI              16
162 #define KVM_EXIT_INTERNAL_ERROR   17
163 #define KVM_EXIT_OSI              18
164 #define KVM_EXIT_PAPR_HCALL	  19
165 
166 /* For KVM_EXIT_INTERNAL_ERROR */
167 #define KVM_INTERNAL_ERROR_EMULATION 1
168 #define KVM_INTERNAL_ERROR_SIMUL_EX 2
169 
170 /* for KVM_RUN, returned by mmap(vcpu_fd, offset=0) */
171 struct kvm_run {
172 	/* in */
173 	__u8 request_interrupt_window;
174 	__u8 padding1[7];
175 
176 	/* out */
177 	__u32 exit_reason;
178 	__u8 ready_for_interrupt_injection;
179 	__u8 if_flag;
180 	__u8 padding2[2];
181 
182 	/* in (pre_kvm_run), out (post_kvm_run) */
183 	__u64 cr8;
184 	__u64 apic_base;
185 
186 #ifdef __KVM_S390
187 	/* the processor status word for s390 */
188 	__u64 psw_mask; /* psw upper half */
189 	__u64 psw_addr; /* psw lower half */
190 #endif
191 	union {
192 		/* KVM_EXIT_UNKNOWN */
193 		struct {
194 			__u64 hardware_exit_reason;
195 		} hw;
196 		/* KVM_EXIT_FAIL_ENTRY */
197 		struct {
198 			__u64 hardware_entry_failure_reason;
199 		} fail_entry;
200 		/* KVM_EXIT_EXCEPTION */
201 		struct {
202 			__u32 exception;
203 			__u32 error_code;
204 		} ex;
205 		/* KVM_EXIT_IO */
206 		struct {
207 #define KVM_EXIT_IO_IN  0
208 #define KVM_EXIT_IO_OUT 1
209 			__u8 direction;
210 			__u8 size; /* bytes */
211 			__u16 port;
212 			__u32 count;
213 			__u64 data_offset; /* relative to kvm_run start */
214 		} io;
215 		struct {
216 			struct kvm_debug_exit_arch arch;
217 		} debug;
218 		/* KVM_EXIT_MMIO */
219 		struct {
220 			__u64 phys_addr;
221 			__u8  data[8];
222 			__u32 len;
223 			__u8  is_write;
224 		} mmio;
225 		/* KVM_EXIT_HYPERCALL */
226 		struct {
227 			__u64 nr;
228 			__u64 args[6];
229 			__u64 ret;
230 			__u32 longmode;
231 			__u32 pad;
232 		} hypercall;
233 		/* KVM_EXIT_TPR_ACCESS */
234 		struct {
235 			__u64 rip;
236 			__u32 is_write;
237 			__u32 pad;
238 		} tpr_access;
239 		/* KVM_EXIT_S390_SIEIC */
240 		struct {
241 			__u8 icptcode;
242 			__u16 ipa;
243 			__u32 ipb;
244 		} s390_sieic;
245 		/* KVM_EXIT_S390_RESET */
246 #define KVM_S390_RESET_POR       1
247 #define KVM_S390_RESET_CLEAR     2
248 #define KVM_S390_RESET_SUBSYSTEM 4
249 #define KVM_S390_RESET_CPU_INIT  8
250 #define KVM_S390_RESET_IPL       16
251 		__u64 s390_reset_flags;
252 		/* KVM_EXIT_DCR */
253 		struct {
254 			__u32 dcrn;
255 			__u32 data;
256 			__u8  is_write;
257 		} dcr;
258 		struct {
259 			__u32 suberror;
260 			/* Available with KVM_CAP_INTERNAL_ERROR_DATA: */
261 			__u32 ndata;
262 			__u64 data[16];
263 		} internal;
264 		/* KVM_EXIT_OSI */
265 		struct {
266 			__u64 gprs[32];
267 		} osi;
268 		struct {
269 			__u64 nr;
270 			__u64 ret;
271 			__u64 args[9];
272 		} papr_hcall;
273 		/* Fix the size of the union. */
274 		char padding[256];
275 	};
276 };
277 
278 /* for KVM_REGISTER_COALESCED_MMIO / KVM_UNREGISTER_COALESCED_MMIO */
279 
280 struct kvm_coalesced_mmio_zone {
281 	__u64 addr;
282 	__u32 size;
283 	__u32 pad;
284 };
285 
286 struct kvm_coalesced_mmio {
287 	__u64 phys_addr;
288 	__u32 len;
289 	__u32 pad;
290 	__u8  data[8];
291 };
292 
293 struct kvm_coalesced_mmio_ring {
294 	__u32 first, last;
295 	struct kvm_coalesced_mmio coalesced_mmio[0];
296 };
297 
298 #define KVM_COALESCED_MMIO_MAX \
299 	((PAGE_SIZE - sizeof(struct kvm_coalesced_mmio_ring)) / \
300 	 sizeof(struct kvm_coalesced_mmio))
301 
302 /* for KVM_TRANSLATE */
303 struct kvm_translation {
304 	/* in */
305 	__u64 linear_address;
306 
307 	/* out */
308 	__u64 physical_address;
309 	__u8  valid;
310 	__u8  writeable;
311 	__u8  usermode;
312 	__u8  pad[5];
313 };
314 
315 /* for KVM_INTERRUPT */
316 struct kvm_interrupt {
317 	/* in */
318 	__u32 irq;
319 };
320 
321 /* for KVM_GET_DIRTY_LOG */
322 struct kvm_dirty_log {
323 	__u32 slot;
324 	__u32 padding1;
325 	union {
326 		void *dirty_bitmap; /* one bit per page */
327 		__u64 padding2;
328 	};
329 };
330 
331 /* for KVM_SET_SIGNAL_MASK */
332 struct kvm_signal_mask {
333 	__u32 len;
334 	__u8  sigset[0];
335 };
336 
337 /* for KVM_TPR_ACCESS_REPORTING */
338 struct kvm_tpr_access_ctl {
339 	__u32 enabled;
340 	__u32 flags;
341 	__u32 reserved[8];
342 };
343 
344 /* for KVM_SET_VAPIC_ADDR */
345 struct kvm_vapic_addr {
346 	__u64 vapic_addr;
347 };
348 
349 /* for KVM_SET_MPSTATE */
350 
351 #define KVM_MP_STATE_RUNNABLE          0
352 #define KVM_MP_STATE_UNINITIALIZED     1
353 #define KVM_MP_STATE_INIT_RECEIVED     2
354 #define KVM_MP_STATE_HALTED            3
355 #define KVM_MP_STATE_SIPI_RECEIVED     4
356 
357 struct kvm_mp_state {
358 	__u32 mp_state;
359 };
360 
361 struct kvm_s390_psw {
362 	__u64 mask;
363 	__u64 addr;
364 };
365 
366 /* valid values for type in kvm_s390_interrupt */
367 #define KVM_S390_SIGP_STOP		0xfffe0000u
368 #define KVM_S390_PROGRAM_INT		0xfffe0001u
369 #define KVM_S390_SIGP_SET_PREFIX	0xfffe0002u
370 #define KVM_S390_RESTART		0xfffe0003u
371 #define KVM_S390_INT_VIRTIO		0xffff2603u
372 #define KVM_S390_INT_SERVICE		0xffff2401u
373 #define KVM_S390_INT_EMERGENCY		0xffff1201u
374 
375 struct kvm_s390_interrupt {
376 	__u32 type;
377 	__u32 parm;
378 	__u64 parm64;
379 };
380 
381 /* for KVM_SET_GUEST_DEBUG */
382 
383 #define KVM_GUESTDBG_ENABLE		0x00000001
384 #define KVM_GUESTDBG_SINGLESTEP		0x00000002
385 
386 struct kvm_guest_debug {
387 	__u32 control;
388 	__u32 pad;
389 	struct kvm_guest_debug_arch arch;
390 };
391 
392 enum {
393 	kvm_ioeventfd_flag_nr_datamatch,
394 	kvm_ioeventfd_flag_nr_pio,
395 	kvm_ioeventfd_flag_nr_deassign,
396 	kvm_ioeventfd_flag_nr_max,
397 };
398 
399 #define KVM_IOEVENTFD_FLAG_DATAMATCH (1 << kvm_ioeventfd_flag_nr_datamatch)
400 #define KVM_IOEVENTFD_FLAG_PIO       (1 << kvm_ioeventfd_flag_nr_pio)
401 #define KVM_IOEVENTFD_FLAG_DEASSIGN  (1 << kvm_ioeventfd_flag_nr_deassign)
402 
403 #define KVM_IOEVENTFD_VALID_FLAG_MASK  ((1 << kvm_ioeventfd_flag_nr_max) - 1)
404 
405 struct kvm_ioeventfd {
406 	__u64 datamatch;
407 	__u64 addr;        /* legal pio/mmio address */
408 	__u32 len;         /* 1, 2, 4, or 8 bytes    */
409 	__s32 fd;
410 	__u32 flags;
411 	__u8  pad[36];
412 };
413 
414 /* for KVM_ENABLE_CAP */
415 struct kvm_enable_cap {
416 	/* in */
417 	__u32 cap;
418 	__u32 flags;
419 	__u64 args[4];
420 	__u8  pad[64];
421 };
422 
423 /* for KVM_PPC_GET_PVINFO */
424 struct kvm_ppc_pvinfo {
425 	/* out */
426 	__u32 flags;
427 	__u32 hcall[4];
428 	__u8  pad[108];
429 };
430 
431 #define KVMIO 0xAE
432 
433 /*
434  * ioctls for /dev/kvm fds:
435  */
436 #define KVM_GET_API_VERSION       _IO(KVMIO,   0x00)
437 #define KVM_CREATE_VM             _IO(KVMIO,   0x01) /* returns a VM fd */
438 #define KVM_GET_MSR_INDEX_LIST    _IOWR(KVMIO, 0x02, struct kvm_msr_list)
439 
440 #define KVM_S390_ENABLE_SIE       _IO(KVMIO,   0x06)
441 /*
442  * Check if a kvm extension is available.  Argument is extension number,
443  * return is 1 (yes) or 0 (no, sorry).
444  */
445 #define KVM_CHECK_EXTENSION       _IO(KVMIO,   0x03)
446 /*
447  * Get size for mmap(vcpu_fd)
448  */
449 #define KVM_GET_VCPU_MMAP_SIZE    _IO(KVMIO,   0x04) /* in bytes */
450 #define KVM_GET_SUPPORTED_CPUID   _IOWR(KVMIO, 0x05, struct kvm_cpuid2)
451 #define KVM_TRACE_ENABLE          __KVM_DEPRECATED_MAIN_W_0x06
452 #define KVM_TRACE_PAUSE           __KVM_DEPRECATED_MAIN_0x07
453 #define KVM_TRACE_DISABLE         __KVM_DEPRECATED_MAIN_0x08
454 
455 /*
456  * Extension capability list.
457  */
458 #define KVM_CAP_IRQCHIP	  0
459 #define KVM_CAP_HLT	  1
460 #define KVM_CAP_MMU_SHADOW_CACHE_CONTROL 2
461 #define KVM_CAP_USER_MEMORY 3
462 #define KVM_CAP_SET_TSS_ADDR 4
463 #define KVM_CAP_VAPIC 6
464 #define KVM_CAP_EXT_CPUID 7
465 #define KVM_CAP_CLOCKSOURCE 8
466 #define KVM_CAP_NR_VCPUS 9       /* returns recommended max vcpus per vm */
467 #define KVM_CAP_NR_MEMSLOTS 10   /* returns max memory slots per vm */
468 #define KVM_CAP_PIT 11
469 #define KVM_CAP_NOP_IO_DELAY 12
470 #define KVM_CAP_PV_MMU 13
471 #define KVM_CAP_MP_STATE 14
472 #define KVM_CAP_COALESCED_MMIO 15
473 #define KVM_CAP_SYNC_MMU 16  /* Changes to host mmap are reflected in guest */
474 #ifdef __KVM_HAVE_DEVICE_ASSIGNMENT
475 #define KVM_CAP_DEVICE_ASSIGNMENT 17
476 #endif
477 #define KVM_CAP_IOMMU 18
478 #ifdef __KVM_HAVE_MSI
479 #define KVM_CAP_DEVICE_MSI 20
480 #endif
481 /* Bug in KVM_SET_USER_MEMORY_REGION fixed: */
482 #define KVM_CAP_DESTROY_MEMORY_REGION_WORKS 21
483 #ifdef __KVM_HAVE_USER_NMI
484 #define KVM_CAP_USER_NMI 22
485 #endif
486 #ifdef __KVM_HAVE_GUEST_DEBUG
487 #define KVM_CAP_SET_GUEST_DEBUG 23
488 #endif
489 #ifdef __KVM_HAVE_PIT
490 #define KVM_CAP_REINJECT_CONTROL 24
491 #endif
492 #ifdef __KVM_HAVE_IOAPIC
493 #define KVM_CAP_IRQ_ROUTING 25
494 #endif
495 #define KVM_CAP_IRQ_INJECT_STATUS 26
496 #ifdef __KVM_HAVE_DEVICE_ASSIGNMENT
497 #define KVM_CAP_DEVICE_DEASSIGNMENT 27
498 #endif
499 #ifdef __KVM_HAVE_MSIX
500 #define KVM_CAP_DEVICE_MSIX 28
501 #endif
502 #define KVM_CAP_ASSIGN_DEV_IRQ 29
503 /* Another bug in KVM_SET_USER_MEMORY_REGION fixed: */
504 #define KVM_CAP_JOIN_MEMORY_REGIONS_WORKS 30
505 #ifdef __KVM_HAVE_MCE
506 #define KVM_CAP_MCE 31
507 #endif
508 #define KVM_CAP_IRQFD 32
509 #ifdef __KVM_HAVE_PIT
510 #define KVM_CAP_PIT2 33
511 #endif
512 #define KVM_CAP_SET_BOOT_CPU_ID 34
513 #ifdef __KVM_HAVE_PIT_STATE2
514 #define KVM_CAP_PIT_STATE2 35
515 #endif
516 #define KVM_CAP_IOEVENTFD 36
517 #define KVM_CAP_SET_IDENTITY_MAP_ADDR 37
518 #ifdef __KVM_HAVE_XEN_HVM
519 #define KVM_CAP_XEN_HVM 38
520 #endif
521 #define KVM_CAP_ADJUST_CLOCK 39
522 #define KVM_CAP_INTERNAL_ERROR_DATA 40
523 #ifdef __KVM_HAVE_VCPU_EVENTS
524 #define KVM_CAP_VCPU_EVENTS 41
525 #endif
526 #define KVM_CAP_S390_PSW 42
527 #define KVM_CAP_PPC_SEGSTATE 43
528 #define KVM_CAP_HYPERV 44
529 #define KVM_CAP_HYPERV_VAPIC 45
530 #define KVM_CAP_HYPERV_SPIN 46
531 #define KVM_CAP_PCI_SEGMENT 47
532 #define KVM_CAP_PPC_PAIRED_SINGLES 48
533 #define KVM_CAP_INTR_SHADOW 49
534 #ifdef __KVM_HAVE_DEBUGREGS
535 #define KVM_CAP_DEBUGREGS 50
536 #endif
537 #define KVM_CAP_X86_ROBUST_SINGLESTEP 51
538 #define KVM_CAP_PPC_OSI 52
539 #define KVM_CAP_PPC_UNSET_IRQ 53
540 #define KVM_CAP_ENABLE_CAP 54
541 #ifdef __KVM_HAVE_XSAVE
542 #define KVM_CAP_XSAVE 55
543 #endif
544 #ifdef __KVM_HAVE_XCRS
545 #define KVM_CAP_XCRS 56
546 #endif
547 #define KVM_CAP_PPC_GET_PVINFO 57
548 #define KVM_CAP_PPC_IRQ_LEVEL 58
549 #define KVM_CAP_ASYNC_PF 59
550 #define KVM_CAP_TSC_CONTROL 60
551 #define KVM_CAP_GET_TSC_KHZ 61
552 #define KVM_CAP_PPC_BOOKE_SREGS 62
553 #define KVM_CAP_SPAPR_TCE 63
554 #define KVM_CAP_PPC_SMT 64
555 #define KVM_CAP_PPC_RMA	65
556 #define KVM_CAP_MAX_VCPUS 66       /* returns max vcpus per vm */
557 #define KVM_CAP_PPC_HIOR 67
558 #define KVM_CAP_PPC_PAPR 68
559 #define KVM_CAP_SW_TLB 69
560 #define KVM_CAP_ONE_REG 70
561 
562 #ifdef KVM_CAP_IRQ_ROUTING
563 
564 struct kvm_irq_routing_irqchip {
565 	__u32 irqchip;
566 	__u32 pin;
567 };
568 
569 struct kvm_irq_routing_msi {
570 	__u32 address_lo;
571 	__u32 address_hi;
572 	__u32 data;
573 	__u32 pad;
574 };
575 
576 /* gsi routing entry types */
577 #define KVM_IRQ_ROUTING_IRQCHIP 1
578 #define KVM_IRQ_ROUTING_MSI 2
579 
580 struct kvm_irq_routing_entry {
581 	__u32 gsi;
582 	__u32 type;
583 	__u32 flags;
584 	__u32 pad;
585 	union {
586 		struct kvm_irq_routing_irqchip irqchip;
587 		struct kvm_irq_routing_msi msi;
588 		__u32 pad[8];
589 	} u;
590 };
591 
592 struct kvm_irq_routing {
593 	__u32 nr;
594 	__u32 flags;
595 	struct kvm_irq_routing_entry entries[0];
596 };
597 
598 #endif
599 
600 #ifdef KVM_CAP_MCE
601 /* x86 MCE */
602 struct kvm_x86_mce {
603 	__u64 status;
604 	__u64 addr;
605 	__u64 misc;
606 	__u64 mcg_status;
607 	__u8 bank;
608 	__u8 pad1[7];
609 	__u64 pad2[3];
610 };
611 #endif
612 
613 #ifdef KVM_CAP_XEN_HVM
614 struct kvm_xen_hvm_config {
615 	__u32 flags;
616 	__u32 msr;
617 	__u64 blob_addr_32;
618 	__u64 blob_addr_64;
619 	__u8 blob_size_32;
620 	__u8 blob_size_64;
621 	__u8 pad2[30];
622 };
623 #endif
624 
625 #define KVM_IRQFD_FLAG_DEASSIGN (1 << 0)
626 
627 struct kvm_irqfd {
628 	__u32 fd;
629 	__u32 gsi;
630 	__u32 flags;
631 	__u8  pad[20];
632 };
633 
634 struct kvm_clock_data {
635 	__u64 clock;
636 	__u32 flags;
637 	__u32 pad[9];
638 };
639 
640 #define KVM_MMU_FSL_BOOKE_NOHV		0
641 #define KVM_MMU_FSL_BOOKE_HV		1
642 
643 struct kvm_config_tlb {
644 	__u64 params;
645 	__u64 array;
646 	__u32 mmu_type;
647 	__u32 array_len;
648 };
649 
650 struct kvm_dirty_tlb {
651 	__u64 bitmap;
652 	__u32 num_dirty;
653 };
654 
655 /* Available with KVM_CAP_ONE_REG */
656 
657 #define KVM_ONE_REG_GENERIC		0x0000000000000000ULL
658 
659 /*
660  * Architecture specific registers are to be defined in arch headers and
661  * ORed with the arch identifier.
662  */
663 #define KVM_ONE_REG_PPC			0x1000000000000000ULL
664 #define KVM_ONE_REG_X86			0x2000000000000000ULL
665 #define KVM_ONE_REG_IA64		0x3000000000000000ULL
666 #define KVM_ONE_REG_ARM			0x4000000000000000ULL
667 #define KVM_ONE_REG_S390		0x5000000000000000ULL
668 
669 struct kvm_one_reg {
670 	__u64 id;
671 	union {
672 		__u8 reg8;
673 		__u16 reg16;
674 		__u32 reg32;
675 		__u64 reg64;
676 		__u8 reg128[16];
677 		__u8 reg256[32];
678 		__u8 reg512[64];
679 		__u8 reg1024[128];
680 	} u;
681 };
682 
683 /*
684  * ioctls for VM fds
685  */
686 #define KVM_SET_MEMORY_REGION     _IOW(KVMIO,  0x40, struct kvm_memory_region)
687 /*
688  * KVM_CREATE_VCPU receives as a parameter the vcpu slot, and returns
689  * a vcpu fd.
690  */
691 #define KVM_CREATE_VCPU           _IO(KVMIO,   0x41)
692 #define KVM_GET_DIRTY_LOG         _IOW(KVMIO,  0x42, struct kvm_dirty_log)
693 /* KVM_SET_MEMORY_ALIAS is obsolete: */
694 #define KVM_SET_MEMORY_ALIAS      _IOW(KVMIO,  0x43, struct kvm_memory_alias)
695 #define KVM_SET_NR_MMU_PAGES      _IO(KVMIO,   0x44)
696 #define KVM_GET_NR_MMU_PAGES      _IO(KVMIO,   0x45)
697 #define KVM_SET_USER_MEMORY_REGION _IOW(KVMIO, 0x46, \
698 					struct kvm_userspace_memory_region)
699 #define KVM_SET_TSS_ADDR          _IO(KVMIO,   0x47)
700 #define KVM_SET_IDENTITY_MAP_ADDR _IOW(KVMIO,  0x48, __u64)
701 /* Device model IOC */
702 #define KVM_CREATE_IRQCHIP        _IO(KVMIO,   0x60)
703 #define KVM_IRQ_LINE              _IOW(KVMIO,  0x61, struct kvm_irq_level)
704 #define KVM_GET_IRQCHIP           _IOWR(KVMIO, 0x62, struct kvm_irqchip)
705 #define KVM_SET_IRQCHIP           _IOR(KVMIO,  0x63, struct kvm_irqchip)
706 #define KVM_CREATE_PIT            _IO(KVMIO,   0x64)
707 #define KVM_GET_PIT               _IOWR(KVMIO, 0x65, struct kvm_pit_state)
708 #define KVM_SET_PIT               _IOR(KVMIO,  0x66, struct kvm_pit_state)
709 #define KVM_IRQ_LINE_STATUS       _IOWR(KVMIO, 0x67, struct kvm_irq_level)
710 #define KVM_REGISTER_COALESCED_MMIO \
711 			_IOW(KVMIO,  0x67, struct kvm_coalesced_mmio_zone)
712 #define KVM_UNREGISTER_COALESCED_MMIO \
713 			_IOW(KVMIO,  0x68, struct kvm_coalesced_mmio_zone)
714 #define KVM_ASSIGN_PCI_DEVICE     _IOR(KVMIO,  0x69, \
715 				       struct kvm_assigned_pci_dev)
716 #define KVM_SET_GSI_ROUTING       _IOW(KVMIO,  0x6a, struct kvm_irq_routing)
717 /* deprecated, replaced by KVM_ASSIGN_DEV_IRQ */
718 #define KVM_ASSIGN_IRQ            __KVM_DEPRECATED_VM_R_0x70
719 #define KVM_ASSIGN_DEV_IRQ        _IOW(KVMIO,  0x70, struct kvm_assigned_irq)
720 #define KVM_REINJECT_CONTROL      _IO(KVMIO,   0x71)
721 #define KVM_DEASSIGN_PCI_DEVICE   _IOW(KVMIO,  0x72, \
722 				       struct kvm_assigned_pci_dev)
723 #define KVM_ASSIGN_SET_MSIX_NR    _IOW(KVMIO,  0x73, \
724 				       struct kvm_assigned_msix_nr)
725 #define KVM_ASSIGN_SET_MSIX_ENTRY _IOW(KVMIO,  0x74, \
726 				       struct kvm_assigned_msix_entry)
727 #define KVM_DEASSIGN_DEV_IRQ      _IOW(KVMIO,  0x75, struct kvm_assigned_irq)
728 #define KVM_IRQFD                 _IOW(KVMIO,  0x76, struct kvm_irqfd)
729 #define KVM_CREATE_PIT2		  _IOW(KVMIO,  0x77, struct kvm_pit_config)
730 #define KVM_SET_BOOT_CPU_ID       _IO(KVMIO,   0x78)
731 #define KVM_IOEVENTFD             _IOW(KVMIO,  0x79, struct kvm_ioeventfd)
732 #define KVM_XEN_HVM_CONFIG        _IOW(KVMIO,  0x7a, struct kvm_xen_hvm_config)
733 #define KVM_SET_CLOCK             _IOW(KVMIO,  0x7b, struct kvm_clock_data)
734 #define KVM_GET_CLOCK             _IOR(KVMIO,  0x7c, struct kvm_clock_data)
735 /* Available with KVM_CAP_PIT_STATE2 */
736 #define KVM_GET_PIT2              _IOR(KVMIO,  0x9f, struct kvm_pit_state2)
737 #define KVM_SET_PIT2              _IOW(KVMIO,  0xa0, struct kvm_pit_state2)
738 /* Available with KVM_CAP_PPC_GET_PVINFO */
739 #define KVM_PPC_GET_PVINFO	  _IOW(KVMIO,  0xa1, struct kvm_ppc_pvinfo)
740 /* Available with KVM_CAP_TSC_CONTROL */
741 #define KVM_SET_TSC_KHZ           _IO(KVMIO,  0xa2)
742 #define KVM_GET_TSC_KHZ           _IO(KVMIO,  0xa3)
743 
744 /*
745  * ioctls for vcpu fds
746  */
747 #define KVM_RUN                   _IO(KVMIO,   0x80)
748 #define KVM_GET_REGS              _IOR(KVMIO,  0x81, struct kvm_regs)
749 #define KVM_SET_REGS              _IOW(KVMIO,  0x82, struct kvm_regs)
750 #define KVM_GET_SREGS             _IOR(KVMIO,  0x83, struct kvm_sregs)
751 #define KVM_SET_SREGS             _IOW(KVMIO,  0x84, struct kvm_sregs)
752 #define KVM_TRANSLATE             _IOWR(KVMIO, 0x85, struct kvm_translation)
753 #define KVM_INTERRUPT             _IOW(KVMIO,  0x86, struct kvm_interrupt)
754 /* KVM_DEBUG_GUEST is no longer supported, use KVM_SET_GUEST_DEBUG instead */
755 #define KVM_DEBUG_GUEST           __KVM_DEPRECATED_VCPU_W_0x87
756 #define KVM_GET_MSRS              _IOWR(KVMIO, 0x88, struct kvm_msrs)
757 #define KVM_SET_MSRS              _IOW(KVMIO,  0x89, struct kvm_msrs)
758 #define KVM_SET_CPUID             _IOW(KVMIO,  0x8a, struct kvm_cpuid)
759 #define KVM_SET_SIGNAL_MASK       _IOW(KVMIO,  0x8b, struct kvm_signal_mask)
760 #define KVM_GET_FPU               _IOR(KVMIO,  0x8c, struct kvm_fpu)
761 #define KVM_SET_FPU               _IOW(KVMIO,  0x8d, struct kvm_fpu)
762 #define KVM_GET_LAPIC             _IOR(KVMIO,  0x8e, struct kvm_lapic_state)
763 #define KVM_SET_LAPIC             _IOW(KVMIO,  0x8f, struct kvm_lapic_state)
764 #define KVM_SET_CPUID2            _IOW(KVMIO,  0x90, struct kvm_cpuid2)
765 #define KVM_GET_CPUID2            _IOWR(KVMIO, 0x91, struct kvm_cpuid2)
766 /* Available with KVM_CAP_VAPIC */
767 #define KVM_TPR_ACCESS_REPORTING  _IOWR(KVMIO, 0x92, struct kvm_tpr_access_ctl)
768 /* Available with KVM_CAP_VAPIC */
769 #define KVM_SET_VAPIC_ADDR        _IOW(KVMIO,  0x93, struct kvm_vapic_addr)
770 /* valid for virtual machine (for floating interrupt)_and_ vcpu */
771 #define KVM_S390_INTERRUPT        _IOW(KVMIO,  0x94, struct kvm_s390_interrupt)
772 /* store status for s390 */
773 #define KVM_S390_STORE_STATUS_NOADDR    (-1ul)
774 #define KVM_S390_STORE_STATUS_PREFIXED  (-2ul)
775 #define KVM_S390_STORE_STATUS	  _IOW(KVMIO,  0x95, unsigned long)
776 /* initial ipl psw for s390 */
777 #define KVM_S390_SET_INITIAL_PSW  _IOW(KVMIO,  0x96, struct kvm_s390_psw)
778 /* initial reset for s390 */
779 #define KVM_S390_INITIAL_RESET    _IO(KVMIO,   0x97)
780 #define KVM_GET_MP_STATE          _IOR(KVMIO,  0x98, struct kvm_mp_state)
781 #define KVM_SET_MP_STATE          _IOW(KVMIO,  0x99, struct kvm_mp_state)
782 /* Available with KVM_CAP_NMI */
783 #define KVM_NMI                   _IO(KVMIO,   0x9a)
784 /* Available with KVM_CAP_SET_GUEST_DEBUG */
785 #define KVM_SET_GUEST_DEBUG       _IOW(KVMIO,  0x9b, struct kvm_guest_debug)
786 /* MCE for x86 */
787 #define KVM_X86_SETUP_MCE         _IOW(KVMIO,  0x9c, __u64)
788 #define KVM_X86_GET_MCE_CAP_SUPPORTED _IOR(KVMIO,  0x9d, __u64)
789 #define KVM_X86_SET_MCE           _IOW(KVMIO,  0x9e, struct kvm_x86_mce)
790 /* IA64 stack access */
791 #define KVM_IA64_VCPU_GET_STACK   _IOR(KVMIO,  0x9a, void *)
792 #define KVM_IA64_VCPU_SET_STACK   _IOW(KVMIO,  0x9b, void *)
793 /* Available with KVM_CAP_VCPU_EVENTS */
794 #define KVM_GET_VCPU_EVENTS       _IOR(KVMIO,  0x9f, struct kvm_vcpu_events)
795 #define KVM_SET_VCPU_EVENTS       _IOW(KVMIO,  0xa0, struct kvm_vcpu_events)
796 /* Available with KVM_CAP_DEBUGREGS */
797 #define KVM_GET_DEBUGREGS         _IOR(KVMIO,  0xa1, struct kvm_debugregs)
798 #define KVM_SET_DEBUGREGS         _IOW(KVMIO,  0xa2, struct kvm_debugregs)
799 #define KVM_ENABLE_CAP            _IOW(KVMIO,  0xa3, struct kvm_enable_cap)
800 /* Available with KVM_CAP_XSAVE */
801 #define KVM_GET_XSAVE		  _IOR(KVMIO,  0xa4, struct kvm_xsave)
802 #define KVM_SET_XSAVE		  _IOW(KVMIO,  0xa5, struct kvm_xsave)
803 /* Available with KVM_CAP_XCRS */
804 #define KVM_GET_XCRS		  _IOR(KVMIO,  0xa6, struct kvm_xcrs)
805 #define KVM_SET_XCRS		  _IOW(KVMIO,  0xa7, struct kvm_xcrs)
806 #define KVM_CREATE_SPAPR_TCE	  _IOW(KVMIO,  0xa8, struct kvm_create_spapr_tce)
807 /* Available with KVM_CAP_RMA */
808 #define KVM_ALLOCATE_RMA	  _IOR(KVMIO,  0xa9, struct kvm_allocate_rma)
809 /* Available with KVM_CAP_SW_TLB */
810 #define KVM_DIRTY_TLB		  _IOW(KVMIO,  0xaa, struct kvm_dirty_tlb)
811 /* Available with KVM_CAP_ONE_REG */
812 #define KVM_GET_ONE_REG		  _IOWR(KVMIO, 0xab, struct kvm_one_reg)
813 #define KVM_SET_ONE_REG		  _IOW(KVMIO,  0xac, struct kvm_one_reg)
814 
815 #define KVM_DEV_ASSIGN_ENABLE_IOMMU	(1 << 0)
816 
817 struct kvm_assigned_pci_dev {
818 	__u32 assigned_dev_id;
819 	__u32 busnr;
820 	__u32 devfn;
821 	__u32 flags;
822 	__u32 segnr;
823 	union {
824 		__u32 reserved[11];
825 	};
826 };
827 
828 #define KVM_DEV_IRQ_HOST_INTX    (1 << 0)
829 #define KVM_DEV_IRQ_HOST_MSI     (1 << 1)
830 #define KVM_DEV_IRQ_HOST_MSIX    (1 << 2)
831 
832 #define KVM_DEV_IRQ_GUEST_INTX   (1 << 8)
833 #define KVM_DEV_IRQ_GUEST_MSI    (1 << 9)
834 #define KVM_DEV_IRQ_GUEST_MSIX   (1 << 10)
835 
836 #define KVM_DEV_IRQ_HOST_MASK	 0x00ff
837 #define KVM_DEV_IRQ_GUEST_MASK   0xff00
838 
839 struct kvm_assigned_irq {
840 	__u32 assigned_dev_id;
841 	__u32 host_irq; /* ignored (legacy field) */
842 	__u32 guest_irq;
843 	__u32 flags;
844 	union {
845 		__u32 reserved[12];
846 	};
847 };
848 
849 struct kvm_assigned_msix_nr {
850 	__u32 assigned_dev_id;
851 	__u16 entry_nr;
852 	__u16 padding;
853 };
854 
855 #define KVM_MAX_MSIX_PER_DEV		256
856 struct kvm_assigned_msix_entry {
857 	__u32 assigned_dev_id;
858 	__u32 gsi;
859 	__u16 entry; /* The index of entry in the MSI-X table */
860 	__u16 padding[3];
861 };
862 
863 #endif /* __LINUX_KVM_H */
864