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 /*
105  * The bit 0 ~ bit 15 of kvm_memory_region::flags are visible for userspace,
106  * other bits are reserved for kvm internal use which are defined in
107  * include/linux/kvm_host.h.
108  */
109 #define KVM_MEM_LOG_DIRTY_PAGES	(1UL << 0)
110 #define KVM_MEM_READONLY	(1UL << 1)
111 
112 /* for KVM_IRQ_LINE */
113 struct kvm_irq_level {
114 	/*
115 	 * ACPI gsi notion of irq.
116 	 * For IA-64 (APIC model) IOAPIC0: irq 0-23; IOAPIC1: irq 24-47..
117 	 * For X86 (standard AT mode) PIC0/1: irq 0-15. IOAPIC0: 0-23..
118 	 */
119 	union {
120 		__u32 irq;
121 		__s32 status;
122 	};
123 	__u32 level;
124 };
125 
126 
127 struct kvm_irqchip {
128 	__u32 chip_id;
129 	__u32 pad;
130         union {
131 		char dummy[512];  /* reserving space */
132 #ifdef __KVM_HAVE_PIT
133 		struct kvm_pic_state pic;
134 #endif
135 #ifdef __KVM_HAVE_IOAPIC
136 		struct kvm_ioapic_state ioapic;
137 #endif
138 	} chip;
139 };
140 
141 /* for KVM_CREATE_PIT2 */
142 struct kvm_pit_config {
143 	__u32 flags;
144 	__u32 pad[15];
145 };
146 
147 #define KVM_PIT_SPEAKER_DUMMY     1
148 
149 #define KVM_EXIT_UNKNOWN          0
150 #define KVM_EXIT_EXCEPTION        1
151 #define KVM_EXIT_IO               2
152 #define KVM_EXIT_HYPERCALL        3
153 #define KVM_EXIT_DEBUG            4
154 #define KVM_EXIT_HLT              5
155 #define KVM_EXIT_MMIO             6
156 #define KVM_EXIT_IRQ_WINDOW_OPEN  7
157 #define KVM_EXIT_SHUTDOWN         8
158 #define KVM_EXIT_FAIL_ENTRY       9
159 #define KVM_EXIT_INTR             10
160 #define KVM_EXIT_SET_TPR          11
161 #define KVM_EXIT_TPR_ACCESS       12
162 #define KVM_EXIT_S390_SIEIC       13
163 #define KVM_EXIT_S390_RESET       14
164 #define KVM_EXIT_DCR              15
165 #define KVM_EXIT_NMI              16
166 #define KVM_EXIT_INTERNAL_ERROR   17
167 #define KVM_EXIT_OSI              18
168 #define KVM_EXIT_PAPR_HCALL	  19
169 #define KVM_EXIT_S390_UCONTROL	  20
170 #define KVM_EXIT_WATCHDOG         21
171 #define KVM_EXIT_S390_TSCH        22
172 #define KVM_EXIT_EPR              23
173 
174 /* For KVM_EXIT_INTERNAL_ERROR */
175 /* Emulate instruction failed. */
176 #define KVM_INTERNAL_ERROR_EMULATION	1
177 /* Encounter unexpected simultaneous exceptions. */
178 #define KVM_INTERNAL_ERROR_SIMUL_EX	2
179 /* Encounter unexpected vm-exit due to delivery event. */
180 #define KVM_INTERNAL_ERROR_DELIVERY_EV	3
181 
182 /* for KVM_RUN, returned by mmap(vcpu_fd, offset=0) */
183 struct kvm_run {
184 	/* in */
185 	__u8 request_interrupt_window;
186 	__u8 padding1[7];
187 
188 	/* out */
189 	__u32 exit_reason;
190 	__u8 ready_for_interrupt_injection;
191 	__u8 if_flag;
192 	__u8 padding2[2];
193 
194 	/* in (pre_kvm_run), out (post_kvm_run) */
195 	__u64 cr8;
196 	__u64 apic_base;
197 
198 #ifdef __KVM_S390
199 	/* the processor status word for s390 */
200 	__u64 psw_mask; /* psw upper half */
201 	__u64 psw_addr; /* psw lower half */
202 #endif
203 	union {
204 		/* KVM_EXIT_UNKNOWN */
205 		struct {
206 			__u64 hardware_exit_reason;
207 		} hw;
208 		/* KVM_EXIT_FAIL_ENTRY */
209 		struct {
210 			__u64 hardware_entry_failure_reason;
211 		} fail_entry;
212 		/* KVM_EXIT_EXCEPTION */
213 		struct {
214 			__u32 exception;
215 			__u32 error_code;
216 		} ex;
217 		/* KVM_EXIT_IO */
218 		struct {
219 #define KVM_EXIT_IO_IN  0
220 #define KVM_EXIT_IO_OUT 1
221 			__u8 direction;
222 			__u8 size; /* bytes */
223 			__u16 port;
224 			__u32 count;
225 			__u64 data_offset; /* relative to kvm_run start */
226 		} io;
227 		struct {
228 			struct kvm_debug_exit_arch arch;
229 		} debug;
230 		/* KVM_EXIT_MMIO */
231 		struct {
232 			__u64 phys_addr;
233 			__u8  data[8];
234 			__u32 len;
235 			__u8  is_write;
236 		} mmio;
237 		/* KVM_EXIT_HYPERCALL */
238 		struct {
239 			__u64 nr;
240 			__u64 args[6];
241 			__u64 ret;
242 			__u32 longmode;
243 			__u32 pad;
244 		} hypercall;
245 		/* KVM_EXIT_TPR_ACCESS */
246 		struct {
247 			__u64 rip;
248 			__u32 is_write;
249 			__u32 pad;
250 		} tpr_access;
251 		/* KVM_EXIT_S390_SIEIC */
252 		struct {
253 			__u8 icptcode;
254 			__u16 ipa;
255 			__u32 ipb;
256 		} s390_sieic;
257 		/* KVM_EXIT_S390_RESET */
258 #define KVM_S390_RESET_POR       1
259 #define KVM_S390_RESET_CLEAR     2
260 #define KVM_S390_RESET_SUBSYSTEM 4
261 #define KVM_S390_RESET_CPU_INIT  8
262 #define KVM_S390_RESET_IPL       16
263 		__u64 s390_reset_flags;
264 		/* KVM_EXIT_S390_UCONTROL */
265 		struct {
266 			__u64 trans_exc_code;
267 			__u32 pgm_code;
268 		} s390_ucontrol;
269 		/* KVM_EXIT_DCR */
270 		struct {
271 			__u32 dcrn;
272 			__u32 data;
273 			__u8  is_write;
274 		} dcr;
275 		struct {
276 			__u32 suberror;
277 			/* Available with KVM_CAP_INTERNAL_ERROR_DATA: */
278 			__u32 ndata;
279 			__u64 data[16];
280 		} internal;
281 		/* KVM_EXIT_OSI */
282 		struct {
283 			__u64 gprs[32];
284 		} osi;
285 		struct {
286 			__u64 nr;
287 			__u64 ret;
288 			__u64 args[9];
289 		} papr_hcall;
290 		/* KVM_EXIT_S390_TSCH */
291 		struct {
292 			__u16 subchannel_id;
293 			__u16 subchannel_nr;
294 			__u32 io_int_parm;
295 			__u32 io_int_word;
296 			__u32 ipb;
297 			__u8 dequeued;
298 		} s390_tsch;
299 		/* KVM_EXIT_EPR */
300 		struct {
301 			__u32 epr;
302 		} epr;
303 		/* Fix the size of the union. */
304 		char padding[256];
305 	};
306 
307 	/*
308 	 * shared registers between kvm and userspace.
309 	 * kvm_valid_regs specifies the register classes set by the host
310 	 * kvm_dirty_regs specified the register classes dirtied by userspace
311 	 * struct kvm_sync_regs is architecture specific, as well as the
312 	 * bits for kvm_valid_regs and kvm_dirty_regs
313 	 */
314 	__u64 kvm_valid_regs;
315 	__u64 kvm_dirty_regs;
316 	union {
317 		struct kvm_sync_regs regs;
318 		char padding[1024];
319 	} s;
320 };
321 
322 /* for KVM_REGISTER_COALESCED_MMIO / KVM_UNREGISTER_COALESCED_MMIO */
323 
324 struct kvm_coalesced_mmio_zone {
325 	__u64 addr;
326 	__u32 size;
327 	__u32 pad;
328 };
329 
330 struct kvm_coalesced_mmio {
331 	__u64 phys_addr;
332 	__u32 len;
333 	__u32 pad;
334 	__u8  data[8];
335 };
336 
337 struct kvm_coalesced_mmio_ring {
338 	__u32 first, last;
339 	struct kvm_coalesced_mmio coalesced_mmio[0];
340 };
341 
342 #define KVM_COALESCED_MMIO_MAX \
343 	((PAGE_SIZE - sizeof(struct kvm_coalesced_mmio_ring)) / \
344 	 sizeof(struct kvm_coalesced_mmio))
345 
346 /* for KVM_TRANSLATE */
347 struct kvm_translation {
348 	/* in */
349 	__u64 linear_address;
350 
351 	/* out */
352 	__u64 physical_address;
353 	__u8  valid;
354 	__u8  writeable;
355 	__u8  usermode;
356 	__u8  pad[5];
357 };
358 
359 /* for KVM_INTERRUPT */
360 struct kvm_interrupt {
361 	/* in */
362 	__u32 irq;
363 };
364 
365 /* for KVM_GET_DIRTY_LOG */
366 struct kvm_dirty_log {
367 	__u32 slot;
368 	__u32 padding1;
369 	union {
370 		void *dirty_bitmap; /* one bit per page */
371 		__u64 padding2;
372 	};
373 };
374 
375 /* for KVM_SET_SIGNAL_MASK */
376 struct kvm_signal_mask {
377 	__u32 len;
378 	__u8  sigset[0];
379 };
380 
381 /* for KVM_TPR_ACCESS_REPORTING */
382 struct kvm_tpr_access_ctl {
383 	__u32 enabled;
384 	__u32 flags;
385 	__u32 reserved[8];
386 };
387 
388 /* for KVM_SET_VAPIC_ADDR */
389 struct kvm_vapic_addr {
390 	__u64 vapic_addr;
391 };
392 
393 /* for KVM_SET_MPSTATE */
394 
395 #define KVM_MP_STATE_RUNNABLE          0
396 #define KVM_MP_STATE_UNINITIALIZED     1
397 #define KVM_MP_STATE_INIT_RECEIVED     2
398 #define KVM_MP_STATE_HALTED            3
399 #define KVM_MP_STATE_SIPI_RECEIVED     4
400 
401 struct kvm_mp_state {
402 	__u32 mp_state;
403 };
404 
405 struct kvm_s390_psw {
406 	__u64 mask;
407 	__u64 addr;
408 };
409 
410 /* valid values for type in kvm_s390_interrupt */
411 #define KVM_S390_SIGP_STOP		0xfffe0000u
412 #define KVM_S390_PROGRAM_INT		0xfffe0001u
413 #define KVM_S390_SIGP_SET_PREFIX	0xfffe0002u
414 #define KVM_S390_RESTART		0xfffe0003u
415 #define KVM_S390_MCHK			0xfffe1000u
416 #define KVM_S390_INT_VIRTIO		0xffff2603u
417 #define KVM_S390_INT_SERVICE		0xffff2401u
418 #define KVM_S390_INT_EMERGENCY		0xffff1201u
419 #define KVM_S390_INT_EXTERNAL_CALL	0xffff1202u
420 /* Anything below 0xfffe0000u is taken by INT_IO */
421 #define KVM_S390_INT_IO(ai,cssid,ssid,schid)   \
422 	(((schid)) |			       \
423 	 ((ssid) << 16) |		       \
424 	 ((cssid) << 18) |		       \
425 	 ((ai) << 26))
426 #define KVM_S390_INT_IO_MIN		0x00000000u
427 #define KVM_S390_INT_IO_MAX		0xfffdffffu
428 
429 
430 struct kvm_s390_interrupt {
431 	__u32 type;
432 	__u32 parm;
433 	__u64 parm64;
434 };
435 
436 /* for KVM_SET_GUEST_DEBUG */
437 
438 #define KVM_GUESTDBG_ENABLE		0x00000001
439 #define KVM_GUESTDBG_SINGLESTEP		0x00000002
440 
441 struct kvm_guest_debug {
442 	__u32 control;
443 	__u32 pad;
444 	struct kvm_guest_debug_arch arch;
445 };
446 
447 enum {
448 	kvm_ioeventfd_flag_nr_datamatch,
449 	kvm_ioeventfd_flag_nr_pio,
450 	kvm_ioeventfd_flag_nr_deassign,
451 	kvm_ioeventfd_flag_nr_max,
452 };
453 
454 #define KVM_IOEVENTFD_FLAG_DATAMATCH (1 << kvm_ioeventfd_flag_nr_datamatch)
455 #define KVM_IOEVENTFD_FLAG_PIO       (1 << kvm_ioeventfd_flag_nr_pio)
456 #define KVM_IOEVENTFD_FLAG_DEASSIGN  (1 << kvm_ioeventfd_flag_nr_deassign)
457 
458 #define KVM_IOEVENTFD_VALID_FLAG_MASK  ((1 << kvm_ioeventfd_flag_nr_max) - 1)
459 
460 struct kvm_ioeventfd {
461 	__u64 datamatch;
462 	__u64 addr;        /* legal pio/mmio address */
463 	__u32 len;         /* 1, 2, 4, or 8 bytes    */
464 	__s32 fd;
465 	__u32 flags;
466 	__u8  pad[36];
467 };
468 
469 /* for KVM_ENABLE_CAP */
470 struct kvm_enable_cap {
471 	/* in */
472 	__u32 cap;
473 	__u32 flags;
474 	__u64 args[4];
475 	__u8  pad[64];
476 };
477 
478 /* for KVM_PPC_GET_PVINFO */
479 struct kvm_ppc_pvinfo {
480 	/* out */
481 	__u32 flags;
482 	__u32 hcall[4];
483 	__u8  pad[108];
484 };
485 
486 /* for KVM_PPC_GET_SMMU_INFO */
487 #define KVM_PPC_PAGE_SIZES_MAX_SZ	8
488 
489 struct kvm_ppc_one_page_size {
490 	__u32 page_shift;	/* Page shift (or 0) */
491 	__u32 pte_enc;		/* Encoding in the HPTE (>>12) */
492 };
493 
494 struct kvm_ppc_one_seg_page_size {
495 	__u32 page_shift;	/* Base page shift of segment (or 0) */
496 	__u32 slb_enc;		/* SLB encoding for BookS */
497 	struct kvm_ppc_one_page_size enc[KVM_PPC_PAGE_SIZES_MAX_SZ];
498 };
499 
500 #define KVM_PPC_PAGE_SIZES_REAL		0x00000001
501 #define KVM_PPC_1T_SEGMENTS		0x00000002
502 
503 struct kvm_ppc_smmu_info {
504 	__u64 flags;
505 	__u32 slb_size;
506 	__u32 pad;
507 	struct kvm_ppc_one_seg_page_size sps[KVM_PPC_PAGE_SIZES_MAX_SZ];
508 };
509 
510 #define KVM_PPC_PVINFO_FLAGS_EV_IDLE   (1<<0)
511 
512 #define KVMIO 0xAE
513 
514 /* machine type bits, to be used as argument to KVM_CREATE_VM */
515 #define KVM_VM_S390_UCONTROL	1
516 
517 #define KVM_S390_SIE_PAGE_OFFSET 1
518 
519 /*
520  * ioctls for /dev/kvm fds:
521  */
522 #define KVM_GET_API_VERSION       _IO(KVMIO,   0x00)
523 #define KVM_CREATE_VM             _IO(KVMIO,   0x01) /* returns a VM fd */
524 #define KVM_GET_MSR_INDEX_LIST    _IOWR(KVMIO, 0x02, struct kvm_msr_list)
525 
526 #define KVM_S390_ENABLE_SIE       _IO(KVMIO,   0x06)
527 /*
528  * Check if a kvm extension is available.  Argument is extension number,
529  * return is 1 (yes) or 0 (no, sorry).
530  */
531 #define KVM_CHECK_EXTENSION       _IO(KVMIO,   0x03)
532 /*
533  * Get size for mmap(vcpu_fd)
534  */
535 #define KVM_GET_VCPU_MMAP_SIZE    _IO(KVMIO,   0x04) /* in bytes */
536 #define KVM_GET_SUPPORTED_CPUID   _IOWR(KVMIO, 0x05, struct kvm_cpuid2)
537 #define KVM_TRACE_ENABLE          __KVM_DEPRECATED_MAIN_W_0x06
538 #define KVM_TRACE_PAUSE           __KVM_DEPRECATED_MAIN_0x07
539 #define KVM_TRACE_DISABLE         __KVM_DEPRECATED_MAIN_0x08
540 
541 /*
542  * Extension capability list.
543  */
544 #define KVM_CAP_IRQCHIP	  0
545 #define KVM_CAP_HLT	  1
546 #define KVM_CAP_MMU_SHADOW_CACHE_CONTROL 2
547 #define KVM_CAP_USER_MEMORY 3
548 #define KVM_CAP_SET_TSS_ADDR 4
549 #define KVM_CAP_VAPIC 6
550 #define KVM_CAP_EXT_CPUID 7
551 #define KVM_CAP_CLOCKSOURCE 8
552 #define KVM_CAP_NR_VCPUS 9       /* returns recommended max vcpus per vm */
553 #define KVM_CAP_NR_MEMSLOTS 10   /* returns max memory slots per vm */
554 #define KVM_CAP_PIT 11
555 #define KVM_CAP_NOP_IO_DELAY 12
556 #define KVM_CAP_PV_MMU 13
557 #define KVM_CAP_MP_STATE 14
558 #define KVM_CAP_COALESCED_MMIO 15
559 #define KVM_CAP_SYNC_MMU 16  /* Changes to host mmap are reflected in guest */
560 #ifdef __KVM_HAVE_DEVICE_ASSIGNMENT
561 #define KVM_CAP_DEVICE_ASSIGNMENT 17
562 #endif
563 #define KVM_CAP_IOMMU 18
564 #ifdef __KVM_HAVE_MSI
565 #define KVM_CAP_DEVICE_MSI 20
566 #endif
567 /* Bug in KVM_SET_USER_MEMORY_REGION fixed: */
568 #define KVM_CAP_DESTROY_MEMORY_REGION_WORKS 21
569 #ifdef __KVM_HAVE_USER_NMI
570 #define KVM_CAP_USER_NMI 22
571 #endif
572 #ifdef __KVM_HAVE_GUEST_DEBUG
573 #define KVM_CAP_SET_GUEST_DEBUG 23
574 #endif
575 #ifdef __KVM_HAVE_PIT
576 #define KVM_CAP_REINJECT_CONTROL 24
577 #endif
578 #ifdef __KVM_HAVE_IOAPIC
579 #define KVM_CAP_IRQ_ROUTING 25
580 #endif
581 #define KVM_CAP_IRQ_INJECT_STATUS 26
582 #ifdef __KVM_HAVE_DEVICE_ASSIGNMENT
583 #define KVM_CAP_DEVICE_DEASSIGNMENT 27
584 #endif
585 #ifdef __KVM_HAVE_MSIX
586 #define KVM_CAP_DEVICE_MSIX 28
587 #endif
588 #define KVM_CAP_ASSIGN_DEV_IRQ 29
589 /* Another bug in KVM_SET_USER_MEMORY_REGION fixed: */
590 #define KVM_CAP_JOIN_MEMORY_REGIONS_WORKS 30
591 #ifdef __KVM_HAVE_MCE
592 #define KVM_CAP_MCE 31
593 #endif
594 #define KVM_CAP_IRQFD 32
595 #ifdef __KVM_HAVE_PIT
596 #define KVM_CAP_PIT2 33
597 #endif
598 #define KVM_CAP_SET_BOOT_CPU_ID 34
599 #ifdef __KVM_HAVE_PIT_STATE2
600 #define KVM_CAP_PIT_STATE2 35
601 #endif
602 #define KVM_CAP_IOEVENTFD 36
603 #define KVM_CAP_SET_IDENTITY_MAP_ADDR 37
604 #ifdef __KVM_HAVE_XEN_HVM
605 #define KVM_CAP_XEN_HVM 38
606 #endif
607 #define KVM_CAP_ADJUST_CLOCK 39
608 #define KVM_CAP_INTERNAL_ERROR_DATA 40
609 #ifdef __KVM_HAVE_VCPU_EVENTS
610 #define KVM_CAP_VCPU_EVENTS 41
611 #endif
612 #define KVM_CAP_S390_PSW 42
613 #define KVM_CAP_PPC_SEGSTATE 43
614 #define KVM_CAP_HYPERV 44
615 #define KVM_CAP_HYPERV_VAPIC 45
616 #define KVM_CAP_HYPERV_SPIN 46
617 #define KVM_CAP_PCI_SEGMENT 47
618 #define KVM_CAP_PPC_PAIRED_SINGLES 48
619 #define KVM_CAP_INTR_SHADOW 49
620 #ifdef __KVM_HAVE_DEBUGREGS
621 #define KVM_CAP_DEBUGREGS 50
622 #endif
623 #define KVM_CAP_X86_ROBUST_SINGLESTEP 51
624 #define KVM_CAP_PPC_OSI 52
625 #define KVM_CAP_PPC_UNSET_IRQ 53
626 #define KVM_CAP_ENABLE_CAP 54
627 #ifdef __KVM_HAVE_XSAVE
628 #define KVM_CAP_XSAVE 55
629 #endif
630 #ifdef __KVM_HAVE_XCRS
631 #define KVM_CAP_XCRS 56
632 #endif
633 #define KVM_CAP_PPC_GET_PVINFO 57
634 #define KVM_CAP_PPC_IRQ_LEVEL 58
635 #define KVM_CAP_ASYNC_PF 59
636 #define KVM_CAP_TSC_CONTROL 60
637 #define KVM_CAP_GET_TSC_KHZ 61
638 #define KVM_CAP_PPC_BOOKE_SREGS 62
639 #define KVM_CAP_SPAPR_TCE 63
640 #define KVM_CAP_PPC_SMT 64
641 #define KVM_CAP_PPC_RMA	65
642 #define KVM_CAP_MAX_VCPUS 66       /* returns max vcpus per vm */
643 #define KVM_CAP_PPC_HIOR 67
644 #define KVM_CAP_PPC_PAPR 68
645 #define KVM_CAP_SW_TLB 69
646 #define KVM_CAP_ONE_REG 70
647 #define KVM_CAP_S390_GMAP 71
648 #define KVM_CAP_TSC_DEADLINE_TIMER 72
649 #define KVM_CAP_S390_UCONTROL 73
650 #define KVM_CAP_SYNC_REGS 74
651 #define KVM_CAP_PCI_2_3 75
652 #define KVM_CAP_KVMCLOCK_CTRL 76
653 #define KVM_CAP_SIGNAL_MSI 77
654 #define KVM_CAP_PPC_GET_SMMU_INFO 78
655 #define KVM_CAP_S390_COW 79
656 #define KVM_CAP_PPC_ALLOC_HTAB 80
657 #ifdef __KVM_HAVE_READONLY_MEM
658 #define KVM_CAP_READONLY_MEM 81
659 #endif
660 #define KVM_CAP_IRQFD_RESAMPLE 82
661 #define KVM_CAP_PPC_BOOKE_WATCHDOG 83
662 #define KVM_CAP_PPC_HTAB_FD 84
663 #define KVM_CAP_S390_CSS_SUPPORT 85
664 #define KVM_CAP_PPC_EPR 86
665 
666 #ifdef KVM_CAP_IRQ_ROUTING
667 
668 struct kvm_irq_routing_irqchip {
669 	__u32 irqchip;
670 	__u32 pin;
671 };
672 
673 struct kvm_irq_routing_msi {
674 	__u32 address_lo;
675 	__u32 address_hi;
676 	__u32 data;
677 	__u32 pad;
678 };
679 
680 /* gsi routing entry types */
681 #define KVM_IRQ_ROUTING_IRQCHIP 1
682 #define KVM_IRQ_ROUTING_MSI 2
683 
684 struct kvm_irq_routing_entry {
685 	__u32 gsi;
686 	__u32 type;
687 	__u32 flags;
688 	__u32 pad;
689 	union {
690 		struct kvm_irq_routing_irqchip irqchip;
691 		struct kvm_irq_routing_msi msi;
692 		__u32 pad[8];
693 	} u;
694 };
695 
696 struct kvm_irq_routing {
697 	__u32 nr;
698 	__u32 flags;
699 	struct kvm_irq_routing_entry entries[0];
700 };
701 
702 #endif
703 
704 #ifdef KVM_CAP_MCE
705 /* x86 MCE */
706 struct kvm_x86_mce {
707 	__u64 status;
708 	__u64 addr;
709 	__u64 misc;
710 	__u64 mcg_status;
711 	__u8 bank;
712 	__u8 pad1[7];
713 	__u64 pad2[3];
714 };
715 #endif
716 
717 #ifdef KVM_CAP_XEN_HVM
718 struct kvm_xen_hvm_config {
719 	__u32 flags;
720 	__u32 msr;
721 	__u64 blob_addr_32;
722 	__u64 blob_addr_64;
723 	__u8 blob_size_32;
724 	__u8 blob_size_64;
725 	__u8 pad2[30];
726 };
727 #endif
728 
729 #define KVM_IRQFD_FLAG_DEASSIGN (1 << 0)
730 /*
731  * Available with KVM_CAP_IRQFD_RESAMPLE
732  *
733  * KVM_IRQFD_FLAG_RESAMPLE indicates resamplefd is valid and specifies
734  * the irqfd to operate in resampling mode for level triggered interrupt
735  * emlation.  See Documentation/virtual/kvm/api.txt.
736  */
737 #define KVM_IRQFD_FLAG_RESAMPLE (1 << 1)
738 
739 struct kvm_irqfd {
740 	__u32 fd;
741 	__u32 gsi;
742 	__u32 flags;
743 	__u32 resamplefd;
744 	__u8  pad[16];
745 };
746 
747 struct kvm_clock_data {
748 	__u64 clock;
749 	__u32 flags;
750 	__u32 pad[9];
751 };
752 
753 #define KVM_MMU_FSL_BOOKE_NOHV		0
754 #define KVM_MMU_FSL_BOOKE_HV		1
755 
756 struct kvm_config_tlb {
757 	__u64 params;
758 	__u64 array;
759 	__u32 mmu_type;
760 	__u32 array_len;
761 };
762 
763 struct kvm_dirty_tlb {
764 	__u64 bitmap;
765 	__u32 num_dirty;
766 };
767 
768 /* Available with KVM_CAP_ONE_REG */
769 
770 #define KVM_REG_ARCH_MASK	0xff00000000000000ULL
771 #define KVM_REG_GENERIC		0x0000000000000000ULL
772 
773 /*
774  * Architecture specific registers are to be defined in arch headers and
775  * ORed with the arch identifier.
776  */
777 #define KVM_REG_PPC		0x1000000000000000ULL
778 #define KVM_REG_X86		0x2000000000000000ULL
779 #define KVM_REG_IA64		0x3000000000000000ULL
780 #define KVM_REG_ARM		0x4000000000000000ULL
781 #define KVM_REG_S390		0x5000000000000000ULL
782 
783 #define KVM_REG_SIZE_SHIFT	52
784 #define KVM_REG_SIZE_MASK	0x00f0000000000000ULL
785 #define KVM_REG_SIZE_U8		0x0000000000000000ULL
786 #define KVM_REG_SIZE_U16	0x0010000000000000ULL
787 #define KVM_REG_SIZE_U32	0x0020000000000000ULL
788 #define KVM_REG_SIZE_U64	0x0030000000000000ULL
789 #define KVM_REG_SIZE_U128	0x0040000000000000ULL
790 #define KVM_REG_SIZE_U256	0x0050000000000000ULL
791 #define KVM_REG_SIZE_U512	0x0060000000000000ULL
792 #define KVM_REG_SIZE_U1024	0x0070000000000000ULL
793 
794 struct kvm_one_reg {
795 	__u64 id;
796 	__u64 addr;
797 };
798 
799 struct kvm_msi {
800 	__u32 address_lo;
801 	__u32 address_hi;
802 	__u32 data;
803 	__u32 flags;
804 	__u8  pad[16];
805 };
806 
807 /*
808  * ioctls for VM fds
809  */
810 #define KVM_SET_MEMORY_REGION     _IOW(KVMIO,  0x40, struct kvm_memory_region)
811 /*
812  * KVM_CREATE_VCPU receives as a parameter the vcpu slot, and returns
813  * a vcpu fd.
814  */
815 #define KVM_CREATE_VCPU           _IO(KVMIO,   0x41)
816 #define KVM_GET_DIRTY_LOG         _IOW(KVMIO,  0x42, struct kvm_dirty_log)
817 /* KVM_SET_MEMORY_ALIAS is obsolete: */
818 #define KVM_SET_MEMORY_ALIAS      _IOW(KVMIO,  0x43, struct kvm_memory_alias)
819 #define KVM_SET_NR_MMU_PAGES      _IO(KVMIO,   0x44)
820 #define KVM_GET_NR_MMU_PAGES      _IO(KVMIO,   0x45)
821 #define KVM_SET_USER_MEMORY_REGION _IOW(KVMIO, 0x46, \
822 					struct kvm_userspace_memory_region)
823 #define KVM_SET_TSS_ADDR          _IO(KVMIO,   0x47)
824 #define KVM_SET_IDENTITY_MAP_ADDR _IOW(KVMIO,  0x48, __u64)
825 
826 /* enable ucontrol for s390 */
827 struct kvm_s390_ucas_mapping {
828 	__u64 user_addr;
829 	__u64 vcpu_addr;
830 	__u64 length;
831 };
832 #define KVM_S390_UCAS_MAP        _IOW(KVMIO, 0x50, struct kvm_s390_ucas_mapping)
833 #define KVM_S390_UCAS_UNMAP      _IOW(KVMIO, 0x51, struct kvm_s390_ucas_mapping)
834 #define KVM_S390_VCPU_FAULT	 _IOW(KVMIO, 0x52, unsigned long)
835 
836 /* Device model IOC */
837 #define KVM_CREATE_IRQCHIP        _IO(KVMIO,   0x60)
838 #define KVM_IRQ_LINE              _IOW(KVMIO,  0x61, struct kvm_irq_level)
839 #define KVM_GET_IRQCHIP           _IOWR(KVMIO, 0x62, struct kvm_irqchip)
840 #define KVM_SET_IRQCHIP           _IOR(KVMIO,  0x63, struct kvm_irqchip)
841 #define KVM_CREATE_PIT            _IO(KVMIO,   0x64)
842 #define KVM_GET_PIT               _IOWR(KVMIO, 0x65, struct kvm_pit_state)
843 #define KVM_SET_PIT               _IOR(KVMIO,  0x66, struct kvm_pit_state)
844 #define KVM_IRQ_LINE_STATUS       _IOWR(KVMIO, 0x67, struct kvm_irq_level)
845 #define KVM_REGISTER_COALESCED_MMIO \
846 			_IOW(KVMIO,  0x67, struct kvm_coalesced_mmio_zone)
847 #define KVM_UNREGISTER_COALESCED_MMIO \
848 			_IOW(KVMIO,  0x68, struct kvm_coalesced_mmio_zone)
849 #define KVM_ASSIGN_PCI_DEVICE     _IOR(KVMIO,  0x69, \
850 				       struct kvm_assigned_pci_dev)
851 #define KVM_SET_GSI_ROUTING       _IOW(KVMIO,  0x6a, struct kvm_irq_routing)
852 /* deprecated, replaced by KVM_ASSIGN_DEV_IRQ */
853 #define KVM_ASSIGN_IRQ            __KVM_DEPRECATED_VM_R_0x70
854 #define KVM_ASSIGN_DEV_IRQ        _IOW(KVMIO,  0x70, struct kvm_assigned_irq)
855 #define KVM_REINJECT_CONTROL      _IO(KVMIO,   0x71)
856 #define KVM_DEASSIGN_PCI_DEVICE   _IOW(KVMIO,  0x72, \
857 				       struct kvm_assigned_pci_dev)
858 #define KVM_ASSIGN_SET_MSIX_NR    _IOW(KVMIO,  0x73, \
859 				       struct kvm_assigned_msix_nr)
860 #define KVM_ASSIGN_SET_MSIX_ENTRY _IOW(KVMIO,  0x74, \
861 				       struct kvm_assigned_msix_entry)
862 #define KVM_DEASSIGN_DEV_IRQ      _IOW(KVMIO,  0x75, struct kvm_assigned_irq)
863 #define KVM_IRQFD                 _IOW(KVMIO,  0x76, struct kvm_irqfd)
864 #define KVM_CREATE_PIT2		  _IOW(KVMIO,  0x77, struct kvm_pit_config)
865 #define KVM_SET_BOOT_CPU_ID       _IO(KVMIO,   0x78)
866 #define KVM_IOEVENTFD             _IOW(KVMIO,  0x79, struct kvm_ioeventfd)
867 #define KVM_XEN_HVM_CONFIG        _IOW(KVMIO,  0x7a, struct kvm_xen_hvm_config)
868 #define KVM_SET_CLOCK             _IOW(KVMIO,  0x7b, struct kvm_clock_data)
869 #define KVM_GET_CLOCK             _IOR(KVMIO,  0x7c, struct kvm_clock_data)
870 /* Available with KVM_CAP_PIT_STATE2 */
871 #define KVM_GET_PIT2              _IOR(KVMIO,  0x9f, struct kvm_pit_state2)
872 #define KVM_SET_PIT2              _IOW(KVMIO,  0xa0, struct kvm_pit_state2)
873 /* Available with KVM_CAP_PPC_GET_PVINFO */
874 #define KVM_PPC_GET_PVINFO	  _IOW(KVMIO,  0xa1, struct kvm_ppc_pvinfo)
875 /* Available with KVM_CAP_TSC_CONTROL */
876 #define KVM_SET_TSC_KHZ           _IO(KVMIO,  0xa2)
877 #define KVM_GET_TSC_KHZ           _IO(KVMIO,  0xa3)
878 /* Available with KVM_CAP_PCI_2_3 */
879 #define KVM_ASSIGN_SET_INTX_MASK  _IOW(KVMIO,  0xa4, \
880 				       struct kvm_assigned_pci_dev)
881 /* Available with KVM_CAP_SIGNAL_MSI */
882 #define KVM_SIGNAL_MSI            _IOW(KVMIO,  0xa5, struct kvm_msi)
883 /* Available with KVM_CAP_PPC_GET_SMMU_INFO */
884 #define KVM_PPC_GET_SMMU_INFO	  _IOR(KVMIO,  0xa6, struct kvm_ppc_smmu_info)
885 /* Available with KVM_CAP_PPC_ALLOC_HTAB */
886 #define KVM_PPC_ALLOCATE_HTAB	  _IOWR(KVMIO, 0xa7, __u32)
887 #define KVM_CREATE_SPAPR_TCE	  _IOW(KVMIO,  0xa8, struct kvm_create_spapr_tce)
888 /* Available with KVM_CAP_RMA */
889 #define KVM_ALLOCATE_RMA	  _IOR(KVMIO,  0xa9, struct kvm_allocate_rma)
890 /* Available with KVM_CAP_PPC_HTAB_FD */
891 #define KVM_PPC_GET_HTAB_FD	  _IOW(KVMIO,  0xaa, struct kvm_get_htab_fd)
892 
893 /*
894  * ioctls for vcpu fds
895  */
896 #define KVM_RUN                   _IO(KVMIO,   0x80)
897 #define KVM_GET_REGS              _IOR(KVMIO,  0x81, struct kvm_regs)
898 #define KVM_SET_REGS              _IOW(KVMIO,  0x82, struct kvm_regs)
899 #define KVM_GET_SREGS             _IOR(KVMIO,  0x83, struct kvm_sregs)
900 #define KVM_SET_SREGS             _IOW(KVMIO,  0x84, struct kvm_sregs)
901 #define KVM_TRANSLATE             _IOWR(KVMIO, 0x85, struct kvm_translation)
902 #define KVM_INTERRUPT             _IOW(KVMIO,  0x86, struct kvm_interrupt)
903 /* KVM_DEBUG_GUEST is no longer supported, use KVM_SET_GUEST_DEBUG instead */
904 #define KVM_DEBUG_GUEST           __KVM_DEPRECATED_VCPU_W_0x87
905 #define KVM_GET_MSRS              _IOWR(KVMIO, 0x88, struct kvm_msrs)
906 #define KVM_SET_MSRS              _IOW(KVMIO,  0x89, struct kvm_msrs)
907 #define KVM_SET_CPUID             _IOW(KVMIO,  0x8a, struct kvm_cpuid)
908 #define KVM_SET_SIGNAL_MASK       _IOW(KVMIO,  0x8b, struct kvm_signal_mask)
909 #define KVM_GET_FPU               _IOR(KVMIO,  0x8c, struct kvm_fpu)
910 #define KVM_SET_FPU               _IOW(KVMIO,  0x8d, struct kvm_fpu)
911 #define KVM_GET_LAPIC             _IOR(KVMIO,  0x8e, struct kvm_lapic_state)
912 #define KVM_SET_LAPIC             _IOW(KVMIO,  0x8f, struct kvm_lapic_state)
913 #define KVM_SET_CPUID2            _IOW(KVMIO,  0x90, struct kvm_cpuid2)
914 #define KVM_GET_CPUID2            _IOWR(KVMIO, 0x91, struct kvm_cpuid2)
915 /* Available with KVM_CAP_VAPIC */
916 #define KVM_TPR_ACCESS_REPORTING  _IOWR(KVMIO, 0x92, struct kvm_tpr_access_ctl)
917 /* Available with KVM_CAP_VAPIC */
918 #define KVM_SET_VAPIC_ADDR        _IOW(KVMIO,  0x93, struct kvm_vapic_addr)
919 /* valid for virtual machine (for floating interrupt)_and_ vcpu */
920 #define KVM_S390_INTERRUPT        _IOW(KVMIO,  0x94, struct kvm_s390_interrupt)
921 /* store status for s390 */
922 #define KVM_S390_STORE_STATUS_NOADDR    (-1ul)
923 #define KVM_S390_STORE_STATUS_PREFIXED  (-2ul)
924 #define KVM_S390_STORE_STATUS	  _IOW(KVMIO,  0x95, unsigned long)
925 /* initial ipl psw for s390 */
926 #define KVM_S390_SET_INITIAL_PSW  _IOW(KVMIO,  0x96, struct kvm_s390_psw)
927 /* initial reset for s390 */
928 #define KVM_S390_INITIAL_RESET    _IO(KVMIO,   0x97)
929 #define KVM_GET_MP_STATE          _IOR(KVMIO,  0x98, struct kvm_mp_state)
930 #define KVM_SET_MP_STATE          _IOW(KVMIO,  0x99, struct kvm_mp_state)
931 /* Available with KVM_CAP_NMI */
932 #define KVM_NMI                   _IO(KVMIO,   0x9a)
933 /* Available with KVM_CAP_SET_GUEST_DEBUG */
934 #define KVM_SET_GUEST_DEBUG       _IOW(KVMIO,  0x9b, struct kvm_guest_debug)
935 /* MCE for x86 */
936 #define KVM_X86_SETUP_MCE         _IOW(KVMIO,  0x9c, __u64)
937 #define KVM_X86_GET_MCE_CAP_SUPPORTED _IOR(KVMIO,  0x9d, __u64)
938 #define KVM_X86_SET_MCE           _IOW(KVMIO,  0x9e, struct kvm_x86_mce)
939 /* IA64 stack access */
940 #define KVM_IA64_VCPU_GET_STACK   _IOR(KVMIO,  0x9a, void *)
941 #define KVM_IA64_VCPU_SET_STACK   _IOW(KVMIO,  0x9b, void *)
942 /* Available with KVM_CAP_VCPU_EVENTS */
943 #define KVM_GET_VCPU_EVENTS       _IOR(KVMIO,  0x9f, struct kvm_vcpu_events)
944 #define KVM_SET_VCPU_EVENTS       _IOW(KVMIO,  0xa0, struct kvm_vcpu_events)
945 /* Available with KVM_CAP_DEBUGREGS */
946 #define KVM_GET_DEBUGREGS         _IOR(KVMIO,  0xa1, struct kvm_debugregs)
947 #define KVM_SET_DEBUGREGS         _IOW(KVMIO,  0xa2, struct kvm_debugregs)
948 #define KVM_ENABLE_CAP            _IOW(KVMIO,  0xa3, struct kvm_enable_cap)
949 /* Available with KVM_CAP_XSAVE */
950 #define KVM_GET_XSAVE		  _IOR(KVMIO,  0xa4, struct kvm_xsave)
951 #define KVM_SET_XSAVE		  _IOW(KVMIO,  0xa5, struct kvm_xsave)
952 /* Available with KVM_CAP_XCRS */
953 #define KVM_GET_XCRS		  _IOR(KVMIO,  0xa6, struct kvm_xcrs)
954 #define KVM_SET_XCRS		  _IOW(KVMIO,  0xa7, struct kvm_xcrs)
955 /* Available with KVM_CAP_SW_TLB */
956 #define KVM_DIRTY_TLB		  _IOW(KVMIO,  0xaa, struct kvm_dirty_tlb)
957 /* Available with KVM_CAP_ONE_REG */
958 #define KVM_GET_ONE_REG		  _IOW(KVMIO,  0xab, struct kvm_one_reg)
959 #define KVM_SET_ONE_REG		  _IOW(KVMIO,  0xac, struct kvm_one_reg)
960 /* VM is being stopped by host */
961 #define KVM_KVMCLOCK_CTRL	  _IO(KVMIO,   0xad)
962 
963 #define KVM_DEV_ASSIGN_ENABLE_IOMMU	(1 << 0)
964 #define KVM_DEV_ASSIGN_PCI_2_3		(1 << 1)
965 #define KVM_DEV_ASSIGN_MASK_INTX	(1 << 2)
966 
967 struct kvm_assigned_pci_dev {
968 	__u32 assigned_dev_id;
969 	__u32 busnr;
970 	__u32 devfn;
971 	__u32 flags;
972 	__u32 segnr;
973 	union {
974 		__u32 reserved[11];
975 	};
976 };
977 
978 #define KVM_DEV_IRQ_HOST_INTX    (1 << 0)
979 #define KVM_DEV_IRQ_HOST_MSI     (1 << 1)
980 #define KVM_DEV_IRQ_HOST_MSIX    (1 << 2)
981 
982 #define KVM_DEV_IRQ_GUEST_INTX   (1 << 8)
983 #define KVM_DEV_IRQ_GUEST_MSI    (1 << 9)
984 #define KVM_DEV_IRQ_GUEST_MSIX   (1 << 10)
985 
986 #define KVM_DEV_IRQ_HOST_MASK	 0x00ff
987 #define KVM_DEV_IRQ_GUEST_MASK   0xff00
988 
989 struct kvm_assigned_irq {
990 	__u32 assigned_dev_id;
991 	__u32 host_irq; /* ignored (legacy field) */
992 	__u32 guest_irq;
993 	__u32 flags;
994 	union {
995 		__u32 reserved[12];
996 	};
997 };
998 
999 struct kvm_assigned_msix_nr {
1000 	__u32 assigned_dev_id;
1001 	__u16 entry_nr;
1002 	__u16 padding;
1003 };
1004 
1005 #define KVM_MAX_MSIX_PER_DEV		256
1006 struct kvm_assigned_msix_entry {
1007 	__u32 assigned_dev_id;
1008 	__u32 gsi;
1009 	__u16 entry; /* The index of entry in the MSI-X table */
1010 	__u16 padding[3];
1011 };
1012 
1013 #endif /* __LINUX_KVM_H */
1014