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 	 * For ARM: See Documentation/virtual/kvm/api.txt
119 	 */
120 	union {
121 		__u32 irq;
122 		__s32 status;
123 	};
124 	__u32 level;
125 };
126 
127 
128 struct kvm_irqchip {
129 	__u32 chip_id;
130 	__u32 pad;
131         union {
132 		char dummy[512];  /* reserving space */
133 #ifdef __KVM_HAVE_PIT
134 		struct kvm_pic_state pic;
135 #endif
136 #ifdef __KVM_HAVE_IOAPIC
137 		struct kvm_ioapic_state ioapic;
138 #endif
139 	} chip;
140 };
141 
142 /* for KVM_CREATE_PIT2 */
143 struct kvm_pit_config {
144 	__u32 flags;
145 	__u32 pad[15];
146 };
147 
148 #define KVM_PIT_SPEAKER_DUMMY     1
149 
150 #define KVM_EXIT_UNKNOWN          0
151 #define KVM_EXIT_EXCEPTION        1
152 #define KVM_EXIT_IO               2
153 #define KVM_EXIT_HYPERCALL        3
154 #define KVM_EXIT_DEBUG            4
155 #define KVM_EXIT_HLT              5
156 #define KVM_EXIT_MMIO             6
157 #define KVM_EXIT_IRQ_WINDOW_OPEN  7
158 #define KVM_EXIT_SHUTDOWN         8
159 #define KVM_EXIT_FAIL_ENTRY       9
160 #define KVM_EXIT_INTR             10
161 #define KVM_EXIT_SET_TPR          11
162 #define KVM_EXIT_TPR_ACCESS       12
163 #define KVM_EXIT_S390_SIEIC       13
164 #define KVM_EXIT_S390_RESET       14
165 #define KVM_EXIT_DCR              15
166 #define KVM_EXIT_NMI              16
167 #define KVM_EXIT_INTERNAL_ERROR   17
168 #define KVM_EXIT_OSI              18
169 #define KVM_EXIT_PAPR_HCALL	  19
170 #define KVM_EXIT_S390_UCONTROL	  20
171 #define KVM_EXIT_WATCHDOG         21
172 #define KVM_EXIT_S390_TSCH        22
173 #define KVM_EXIT_EPR              23
174 
175 /* For KVM_EXIT_INTERNAL_ERROR */
176 /* Emulate instruction failed. */
177 #define KVM_INTERNAL_ERROR_EMULATION	1
178 /* Encounter unexpected simultaneous exceptions. */
179 #define KVM_INTERNAL_ERROR_SIMUL_EX	2
180 /* Encounter unexpected vm-exit due to delivery event. */
181 #define KVM_INTERNAL_ERROR_DELIVERY_EV	3
182 
183 /* for KVM_RUN, returned by mmap(vcpu_fd, offset=0) */
184 struct kvm_run {
185 	/* in */
186 	__u8 request_interrupt_window;
187 	__u8 padding1[7];
188 
189 	/* out */
190 	__u32 exit_reason;
191 	__u8 ready_for_interrupt_injection;
192 	__u8 if_flag;
193 	__u8 padding2[2];
194 
195 	/* in (pre_kvm_run), out (post_kvm_run) */
196 	__u64 cr8;
197 	__u64 apic_base;
198 
199 #ifdef __KVM_S390
200 	/* the processor status word for s390 */
201 	__u64 psw_mask; /* psw upper half */
202 	__u64 psw_addr; /* psw lower half */
203 #endif
204 	union {
205 		/* KVM_EXIT_UNKNOWN */
206 		struct {
207 			__u64 hardware_exit_reason;
208 		} hw;
209 		/* KVM_EXIT_FAIL_ENTRY */
210 		struct {
211 			__u64 hardware_entry_failure_reason;
212 		} fail_entry;
213 		/* KVM_EXIT_EXCEPTION */
214 		struct {
215 			__u32 exception;
216 			__u32 error_code;
217 		} ex;
218 		/* KVM_EXIT_IO */
219 		struct {
220 #define KVM_EXIT_IO_IN  0
221 #define KVM_EXIT_IO_OUT 1
222 			__u8 direction;
223 			__u8 size; /* bytes */
224 			__u16 port;
225 			__u32 count;
226 			__u64 data_offset; /* relative to kvm_run start */
227 		} io;
228 		struct {
229 			struct kvm_debug_exit_arch arch;
230 		} debug;
231 		/* KVM_EXIT_MMIO */
232 		struct {
233 			__u64 phys_addr;
234 			__u8  data[8];
235 			__u32 len;
236 			__u8  is_write;
237 		} mmio;
238 		/* KVM_EXIT_HYPERCALL */
239 		struct {
240 			__u64 nr;
241 			__u64 args[6];
242 			__u64 ret;
243 			__u32 longmode;
244 			__u32 pad;
245 		} hypercall;
246 		/* KVM_EXIT_TPR_ACCESS */
247 		struct {
248 			__u64 rip;
249 			__u32 is_write;
250 			__u32 pad;
251 		} tpr_access;
252 		/* KVM_EXIT_S390_SIEIC */
253 		struct {
254 			__u8 icptcode;
255 			__u16 ipa;
256 			__u32 ipb;
257 		} s390_sieic;
258 		/* KVM_EXIT_S390_RESET */
259 #define KVM_S390_RESET_POR       1
260 #define KVM_S390_RESET_CLEAR     2
261 #define KVM_S390_RESET_SUBSYSTEM 4
262 #define KVM_S390_RESET_CPU_INIT  8
263 #define KVM_S390_RESET_IPL       16
264 		__u64 s390_reset_flags;
265 		/* KVM_EXIT_S390_UCONTROL */
266 		struct {
267 			__u64 trans_exc_code;
268 			__u32 pgm_code;
269 		} s390_ucontrol;
270 		/* KVM_EXIT_DCR */
271 		struct {
272 			__u32 dcrn;
273 			__u32 data;
274 			__u8  is_write;
275 		} dcr;
276 		struct {
277 			__u32 suberror;
278 			/* Available with KVM_CAP_INTERNAL_ERROR_DATA: */
279 			__u32 ndata;
280 			__u64 data[16];
281 		} internal;
282 		/* KVM_EXIT_OSI */
283 		struct {
284 			__u64 gprs[32];
285 		} osi;
286 		struct {
287 			__u64 nr;
288 			__u64 ret;
289 			__u64 args[9];
290 		} papr_hcall;
291 		/* KVM_EXIT_S390_TSCH */
292 		struct {
293 			__u16 subchannel_id;
294 			__u16 subchannel_nr;
295 			__u32 io_int_parm;
296 			__u32 io_int_word;
297 			__u32 ipb;
298 			__u8 dequeued;
299 		} s390_tsch;
300 		/* KVM_EXIT_EPR */
301 		struct {
302 			__u32 epr;
303 		} epr;
304 		/* Fix the size of the union. */
305 		char padding[256];
306 	};
307 
308 	/*
309 	 * shared registers between kvm and userspace.
310 	 * kvm_valid_regs specifies the register classes set by the host
311 	 * kvm_dirty_regs specified the register classes dirtied by userspace
312 	 * struct kvm_sync_regs is architecture specific, as well as the
313 	 * bits for kvm_valid_regs and kvm_dirty_regs
314 	 */
315 	__u64 kvm_valid_regs;
316 	__u64 kvm_dirty_regs;
317 	union {
318 		struct kvm_sync_regs regs;
319 		char padding[1024];
320 	} s;
321 };
322 
323 /* for KVM_REGISTER_COALESCED_MMIO / KVM_UNREGISTER_COALESCED_MMIO */
324 
325 struct kvm_coalesced_mmio_zone {
326 	__u64 addr;
327 	__u32 size;
328 	__u32 pad;
329 };
330 
331 struct kvm_coalesced_mmio {
332 	__u64 phys_addr;
333 	__u32 len;
334 	__u32 pad;
335 	__u8  data[8];
336 };
337 
338 struct kvm_coalesced_mmio_ring {
339 	__u32 first, last;
340 	struct kvm_coalesced_mmio coalesced_mmio[0];
341 };
342 
343 #define KVM_COALESCED_MMIO_MAX \
344 	((PAGE_SIZE - sizeof(struct kvm_coalesced_mmio_ring)) / \
345 	 sizeof(struct kvm_coalesced_mmio))
346 
347 /* for KVM_TRANSLATE */
348 struct kvm_translation {
349 	/* in */
350 	__u64 linear_address;
351 
352 	/* out */
353 	__u64 physical_address;
354 	__u8  valid;
355 	__u8  writeable;
356 	__u8  usermode;
357 	__u8  pad[5];
358 };
359 
360 /* for KVM_INTERRUPT */
361 struct kvm_interrupt {
362 	/* in */
363 	__u32 irq;
364 };
365 
366 /* for KVM_GET_DIRTY_LOG */
367 struct kvm_dirty_log {
368 	__u32 slot;
369 	__u32 padding1;
370 	union {
371 		void *dirty_bitmap; /* one bit per page */
372 		__u64 padding2;
373 	};
374 };
375 
376 /* for KVM_SET_SIGNAL_MASK */
377 struct kvm_signal_mask {
378 	__u32 len;
379 	__u8  sigset[0];
380 };
381 
382 /* for KVM_TPR_ACCESS_REPORTING */
383 struct kvm_tpr_access_ctl {
384 	__u32 enabled;
385 	__u32 flags;
386 	__u32 reserved[8];
387 };
388 
389 /* for KVM_SET_VAPIC_ADDR */
390 struct kvm_vapic_addr {
391 	__u64 vapic_addr;
392 };
393 
394 /* for KVM_SET_MPSTATE */
395 
396 #define KVM_MP_STATE_RUNNABLE          0
397 #define KVM_MP_STATE_UNINITIALIZED     1
398 #define KVM_MP_STATE_INIT_RECEIVED     2
399 #define KVM_MP_STATE_HALTED            3
400 #define KVM_MP_STATE_SIPI_RECEIVED     4
401 
402 struct kvm_mp_state {
403 	__u32 mp_state;
404 };
405 
406 struct kvm_s390_psw {
407 	__u64 mask;
408 	__u64 addr;
409 };
410 
411 /* valid values for type in kvm_s390_interrupt */
412 #define KVM_S390_SIGP_STOP		0xfffe0000u
413 #define KVM_S390_PROGRAM_INT		0xfffe0001u
414 #define KVM_S390_SIGP_SET_PREFIX	0xfffe0002u
415 #define KVM_S390_RESTART		0xfffe0003u
416 #define KVM_S390_MCHK			0xfffe1000u
417 #define KVM_S390_INT_VIRTIO		0xffff2603u
418 #define KVM_S390_INT_SERVICE		0xffff2401u
419 #define KVM_S390_INT_EMERGENCY		0xffff1201u
420 #define KVM_S390_INT_EXTERNAL_CALL	0xffff1202u
421 /* Anything below 0xfffe0000u is taken by INT_IO */
422 #define KVM_S390_INT_IO(ai,cssid,ssid,schid)   \
423 	(((schid)) |			       \
424 	 ((ssid) << 16) |		       \
425 	 ((cssid) << 18) |		       \
426 	 ((ai) << 26))
427 #define KVM_S390_INT_IO_MIN		0x00000000u
428 #define KVM_S390_INT_IO_MAX		0xfffdffffu
429 
430 
431 struct kvm_s390_interrupt {
432 	__u32 type;
433 	__u32 parm;
434 	__u64 parm64;
435 };
436 
437 /* for KVM_SET_GUEST_DEBUG */
438 
439 #define KVM_GUESTDBG_ENABLE		0x00000001
440 #define KVM_GUESTDBG_SINGLESTEP		0x00000002
441 
442 struct kvm_guest_debug {
443 	__u32 control;
444 	__u32 pad;
445 	struct kvm_guest_debug_arch arch;
446 };
447 
448 enum {
449 	kvm_ioeventfd_flag_nr_datamatch,
450 	kvm_ioeventfd_flag_nr_pio,
451 	kvm_ioeventfd_flag_nr_deassign,
452 	kvm_ioeventfd_flag_nr_virtio_ccw_notify,
453 	kvm_ioeventfd_flag_nr_max,
454 };
455 
456 #define KVM_IOEVENTFD_FLAG_DATAMATCH (1 << kvm_ioeventfd_flag_nr_datamatch)
457 #define KVM_IOEVENTFD_FLAG_PIO       (1 << kvm_ioeventfd_flag_nr_pio)
458 #define KVM_IOEVENTFD_FLAG_DEASSIGN  (1 << kvm_ioeventfd_flag_nr_deassign)
459 #define KVM_IOEVENTFD_FLAG_VIRTIO_CCW_NOTIFY \
460 	(1 << kvm_ioeventfd_flag_nr_virtio_ccw_notify)
461 
462 #define KVM_IOEVENTFD_VALID_FLAG_MASK  ((1 << kvm_ioeventfd_flag_nr_max) - 1)
463 
464 struct kvm_ioeventfd {
465 	__u64 datamatch;
466 	__u64 addr;        /* legal pio/mmio address */
467 	__u32 len;         /* 1, 2, 4, or 8 bytes    */
468 	__s32 fd;
469 	__u32 flags;
470 	__u8  pad[36];
471 };
472 
473 /* for KVM_ENABLE_CAP */
474 struct kvm_enable_cap {
475 	/* in */
476 	__u32 cap;
477 	__u32 flags;
478 	__u64 args[4];
479 	__u8  pad[64];
480 };
481 
482 /* for KVM_PPC_GET_PVINFO */
483 struct kvm_ppc_pvinfo {
484 	/* out */
485 	__u32 flags;
486 	__u32 hcall[4];
487 	__u8  pad[108];
488 };
489 
490 /* for KVM_PPC_GET_SMMU_INFO */
491 #define KVM_PPC_PAGE_SIZES_MAX_SZ	8
492 
493 struct kvm_ppc_one_page_size {
494 	__u32 page_shift;	/* Page shift (or 0) */
495 	__u32 pte_enc;		/* Encoding in the HPTE (>>12) */
496 };
497 
498 struct kvm_ppc_one_seg_page_size {
499 	__u32 page_shift;	/* Base page shift of segment (or 0) */
500 	__u32 slb_enc;		/* SLB encoding for BookS */
501 	struct kvm_ppc_one_page_size enc[KVM_PPC_PAGE_SIZES_MAX_SZ];
502 };
503 
504 #define KVM_PPC_PAGE_SIZES_REAL		0x00000001
505 #define KVM_PPC_1T_SEGMENTS		0x00000002
506 
507 struct kvm_ppc_smmu_info {
508 	__u64 flags;
509 	__u32 slb_size;
510 	__u32 pad;
511 	struct kvm_ppc_one_seg_page_size sps[KVM_PPC_PAGE_SIZES_MAX_SZ];
512 };
513 
514 #define KVM_PPC_PVINFO_FLAGS_EV_IDLE   (1<<0)
515 
516 #define KVMIO 0xAE
517 
518 /* machine type bits, to be used as argument to KVM_CREATE_VM */
519 #define KVM_VM_S390_UCONTROL	1
520 
521 /* on ppc, 0 indicate default, 1 should force HV and 2 PR */
522 #define KVM_VM_PPC_HV 1
523 #define KVM_VM_PPC_PR 2
524 
525 #define KVM_S390_SIE_PAGE_OFFSET 1
526 
527 /*
528  * ioctls for /dev/kvm fds:
529  */
530 #define KVM_GET_API_VERSION       _IO(KVMIO,   0x00)
531 #define KVM_CREATE_VM             _IO(KVMIO,   0x01) /* returns a VM fd */
532 #define KVM_GET_MSR_INDEX_LIST    _IOWR(KVMIO, 0x02, struct kvm_msr_list)
533 
534 #define KVM_S390_ENABLE_SIE       _IO(KVMIO,   0x06)
535 /*
536  * Check if a kvm extension is available.  Argument is extension number,
537  * return is 1 (yes) or 0 (no, sorry).
538  */
539 #define KVM_CHECK_EXTENSION       _IO(KVMIO,   0x03)
540 /*
541  * Get size for mmap(vcpu_fd)
542  */
543 #define KVM_GET_VCPU_MMAP_SIZE    _IO(KVMIO,   0x04) /* in bytes */
544 #define KVM_GET_SUPPORTED_CPUID   _IOWR(KVMIO, 0x05, struct kvm_cpuid2)
545 #define KVM_TRACE_ENABLE          __KVM_DEPRECATED_MAIN_W_0x06
546 #define KVM_TRACE_PAUSE           __KVM_DEPRECATED_MAIN_0x07
547 #define KVM_TRACE_DISABLE         __KVM_DEPRECATED_MAIN_0x08
548 #define KVM_GET_EMULATED_CPUID	  _IOWR(KVMIO, 0x09, struct kvm_cpuid2)
549 
550 /*
551  * Extension capability list.
552  */
553 #define KVM_CAP_IRQCHIP	  0
554 #define KVM_CAP_HLT	  1
555 #define KVM_CAP_MMU_SHADOW_CACHE_CONTROL 2
556 #define KVM_CAP_USER_MEMORY 3
557 #define KVM_CAP_SET_TSS_ADDR 4
558 #define KVM_CAP_VAPIC 6
559 #define KVM_CAP_EXT_CPUID 7
560 #define KVM_CAP_CLOCKSOURCE 8
561 #define KVM_CAP_NR_VCPUS 9       /* returns recommended max vcpus per vm */
562 #define KVM_CAP_NR_MEMSLOTS 10   /* returns max memory slots per vm */
563 #define KVM_CAP_PIT 11
564 #define KVM_CAP_NOP_IO_DELAY 12
565 #define KVM_CAP_PV_MMU 13
566 #define KVM_CAP_MP_STATE 14
567 #define KVM_CAP_COALESCED_MMIO 15
568 #define KVM_CAP_SYNC_MMU 16  /* Changes to host mmap are reflected in guest */
569 #define KVM_CAP_DEVICE_ASSIGNMENT 17
570 #define KVM_CAP_IOMMU 18
571 #ifdef __KVM_HAVE_MSI
572 #define KVM_CAP_DEVICE_MSI 20
573 #endif
574 /* Bug in KVM_SET_USER_MEMORY_REGION fixed: */
575 #define KVM_CAP_DESTROY_MEMORY_REGION_WORKS 21
576 #ifdef __KVM_HAVE_USER_NMI
577 #define KVM_CAP_USER_NMI 22
578 #endif
579 #ifdef __KVM_HAVE_GUEST_DEBUG
580 #define KVM_CAP_SET_GUEST_DEBUG 23
581 #endif
582 #ifdef __KVM_HAVE_PIT
583 #define KVM_CAP_REINJECT_CONTROL 24
584 #endif
585 #define KVM_CAP_IRQ_ROUTING 25
586 #define KVM_CAP_IRQ_INJECT_STATUS 26
587 #define KVM_CAP_DEVICE_DEASSIGNMENT 27
588 #ifdef __KVM_HAVE_MSIX
589 #define KVM_CAP_DEVICE_MSIX 28
590 #endif
591 #define KVM_CAP_ASSIGN_DEV_IRQ 29
592 /* Another bug in KVM_SET_USER_MEMORY_REGION fixed: */
593 #define KVM_CAP_JOIN_MEMORY_REGIONS_WORKS 30
594 #ifdef __KVM_HAVE_MCE
595 #define KVM_CAP_MCE 31
596 #endif
597 #define KVM_CAP_IRQFD 32
598 #ifdef __KVM_HAVE_PIT
599 #define KVM_CAP_PIT2 33
600 #endif
601 #define KVM_CAP_SET_BOOT_CPU_ID 34
602 #ifdef __KVM_HAVE_PIT_STATE2
603 #define KVM_CAP_PIT_STATE2 35
604 #endif
605 #define KVM_CAP_IOEVENTFD 36
606 #define KVM_CAP_SET_IDENTITY_MAP_ADDR 37
607 #ifdef __KVM_HAVE_XEN_HVM
608 #define KVM_CAP_XEN_HVM 38
609 #endif
610 #define KVM_CAP_ADJUST_CLOCK 39
611 #define KVM_CAP_INTERNAL_ERROR_DATA 40
612 #ifdef __KVM_HAVE_VCPU_EVENTS
613 #define KVM_CAP_VCPU_EVENTS 41
614 #endif
615 #define KVM_CAP_S390_PSW 42
616 #define KVM_CAP_PPC_SEGSTATE 43
617 #define KVM_CAP_HYPERV 44
618 #define KVM_CAP_HYPERV_VAPIC 45
619 #define KVM_CAP_HYPERV_SPIN 46
620 #define KVM_CAP_PCI_SEGMENT 47
621 #define KVM_CAP_PPC_PAIRED_SINGLES 48
622 #define KVM_CAP_INTR_SHADOW 49
623 #ifdef __KVM_HAVE_DEBUGREGS
624 #define KVM_CAP_DEBUGREGS 50
625 #endif
626 #define KVM_CAP_X86_ROBUST_SINGLESTEP 51
627 #define KVM_CAP_PPC_OSI 52
628 #define KVM_CAP_PPC_UNSET_IRQ 53
629 #define KVM_CAP_ENABLE_CAP 54
630 #ifdef __KVM_HAVE_XSAVE
631 #define KVM_CAP_XSAVE 55
632 #endif
633 #ifdef __KVM_HAVE_XCRS
634 #define KVM_CAP_XCRS 56
635 #endif
636 #define KVM_CAP_PPC_GET_PVINFO 57
637 #define KVM_CAP_PPC_IRQ_LEVEL 58
638 #define KVM_CAP_ASYNC_PF 59
639 #define KVM_CAP_TSC_CONTROL 60
640 #define KVM_CAP_GET_TSC_KHZ 61
641 #define KVM_CAP_PPC_BOOKE_SREGS 62
642 #define KVM_CAP_SPAPR_TCE 63
643 #define KVM_CAP_PPC_SMT 64
644 #define KVM_CAP_PPC_RMA	65
645 #define KVM_CAP_MAX_VCPUS 66       /* returns max vcpus per vm */
646 #define KVM_CAP_PPC_HIOR 67
647 #define KVM_CAP_PPC_PAPR 68
648 #define KVM_CAP_SW_TLB 69
649 #define KVM_CAP_ONE_REG 70
650 #define KVM_CAP_S390_GMAP 71
651 #define KVM_CAP_TSC_DEADLINE_TIMER 72
652 #define KVM_CAP_S390_UCONTROL 73
653 #define KVM_CAP_SYNC_REGS 74
654 #define KVM_CAP_PCI_2_3 75
655 #define KVM_CAP_KVMCLOCK_CTRL 76
656 #define KVM_CAP_SIGNAL_MSI 77
657 #define KVM_CAP_PPC_GET_SMMU_INFO 78
658 #define KVM_CAP_S390_COW 79
659 #define KVM_CAP_PPC_ALLOC_HTAB 80
660 #ifdef __KVM_HAVE_READONLY_MEM
661 #define KVM_CAP_READONLY_MEM 81
662 #endif
663 #define KVM_CAP_IRQFD_RESAMPLE 82
664 #define KVM_CAP_PPC_BOOKE_WATCHDOG 83
665 #define KVM_CAP_PPC_HTAB_FD 84
666 #define KVM_CAP_S390_CSS_SUPPORT 85
667 #define KVM_CAP_PPC_EPR 86
668 #define KVM_CAP_ARM_PSCI 87
669 #define KVM_CAP_ARM_SET_DEVICE_ADDR 88
670 #define KVM_CAP_DEVICE_CTRL 89
671 #define KVM_CAP_IRQ_MPIC 90
672 #define KVM_CAP_PPC_RTAS 91
673 #define KVM_CAP_IRQ_XICS 92
674 #define KVM_CAP_ARM_EL1_32BIT 93
675 #define KVM_CAP_SPAPR_MULTITCE 94
676 #define KVM_CAP_EXT_EMUL_CPUID 95
677 
678 #ifdef KVM_CAP_IRQ_ROUTING
679 
680 struct kvm_irq_routing_irqchip {
681 	__u32 irqchip;
682 	__u32 pin;
683 };
684 
685 struct kvm_irq_routing_msi {
686 	__u32 address_lo;
687 	__u32 address_hi;
688 	__u32 data;
689 	__u32 pad;
690 };
691 
692 /* gsi routing entry types */
693 #define KVM_IRQ_ROUTING_IRQCHIP 1
694 #define KVM_IRQ_ROUTING_MSI 2
695 
696 struct kvm_irq_routing_entry {
697 	__u32 gsi;
698 	__u32 type;
699 	__u32 flags;
700 	__u32 pad;
701 	union {
702 		struct kvm_irq_routing_irqchip irqchip;
703 		struct kvm_irq_routing_msi msi;
704 		__u32 pad[8];
705 	} u;
706 };
707 
708 struct kvm_irq_routing {
709 	__u32 nr;
710 	__u32 flags;
711 	struct kvm_irq_routing_entry entries[0];
712 };
713 
714 #endif
715 
716 #ifdef KVM_CAP_MCE
717 /* x86 MCE */
718 struct kvm_x86_mce {
719 	__u64 status;
720 	__u64 addr;
721 	__u64 misc;
722 	__u64 mcg_status;
723 	__u8 bank;
724 	__u8 pad1[7];
725 	__u64 pad2[3];
726 };
727 #endif
728 
729 #ifdef KVM_CAP_XEN_HVM
730 struct kvm_xen_hvm_config {
731 	__u32 flags;
732 	__u32 msr;
733 	__u64 blob_addr_32;
734 	__u64 blob_addr_64;
735 	__u8 blob_size_32;
736 	__u8 blob_size_64;
737 	__u8 pad2[30];
738 };
739 #endif
740 
741 #define KVM_IRQFD_FLAG_DEASSIGN (1 << 0)
742 /*
743  * Available with KVM_CAP_IRQFD_RESAMPLE
744  *
745  * KVM_IRQFD_FLAG_RESAMPLE indicates resamplefd is valid and specifies
746  * the irqfd to operate in resampling mode for level triggered interrupt
747  * emlation.  See Documentation/virtual/kvm/api.txt.
748  */
749 #define KVM_IRQFD_FLAG_RESAMPLE (1 << 1)
750 
751 struct kvm_irqfd {
752 	__u32 fd;
753 	__u32 gsi;
754 	__u32 flags;
755 	__u32 resamplefd;
756 	__u8  pad[16];
757 };
758 
759 struct kvm_clock_data {
760 	__u64 clock;
761 	__u32 flags;
762 	__u32 pad[9];
763 };
764 
765 #define KVM_MMU_FSL_BOOKE_NOHV		0
766 #define KVM_MMU_FSL_BOOKE_HV		1
767 
768 struct kvm_config_tlb {
769 	__u64 params;
770 	__u64 array;
771 	__u32 mmu_type;
772 	__u32 array_len;
773 };
774 
775 struct kvm_dirty_tlb {
776 	__u64 bitmap;
777 	__u32 num_dirty;
778 };
779 
780 /* Available with KVM_CAP_ONE_REG */
781 
782 #define KVM_REG_ARCH_MASK	0xff00000000000000ULL
783 #define KVM_REG_GENERIC		0x0000000000000000ULL
784 
785 /*
786  * Architecture specific registers are to be defined in arch headers and
787  * ORed with the arch identifier.
788  */
789 #define KVM_REG_PPC		0x1000000000000000ULL
790 #define KVM_REG_X86		0x2000000000000000ULL
791 #define KVM_REG_IA64		0x3000000000000000ULL
792 #define KVM_REG_ARM		0x4000000000000000ULL
793 #define KVM_REG_S390		0x5000000000000000ULL
794 #define KVM_REG_ARM64		0x6000000000000000ULL
795 #define KVM_REG_MIPS		0x7000000000000000ULL
796 
797 #define KVM_REG_SIZE_SHIFT	52
798 #define KVM_REG_SIZE_MASK	0x00f0000000000000ULL
799 #define KVM_REG_SIZE_U8		0x0000000000000000ULL
800 #define KVM_REG_SIZE_U16	0x0010000000000000ULL
801 #define KVM_REG_SIZE_U32	0x0020000000000000ULL
802 #define KVM_REG_SIZE_U64	0x0030000000000000ULL
803 #define KVM_REG_SIZE_U128	0x0040000000000000ULL
804 #define KVM_REG_SIZE_U256	0x0050000000000000ULL
805 #define KVM_REG_SIZE_U512	0x0060000000000000ULL
806 #define KVM_REG_SIZE_U1024	0x0070000000000000ULL
807 
808 struct kvm_reg_list {
809 	__u64 n; /* number of regs */
810 	__u64 reg[0];
811 };
812 
813 struct kvm_one_reg {
814 	__u64 id;
815 	__u64 addr;
816 };
817 
818 struct kvm_msi {
819 	__u32 address_lo;
820 	__u32 address_hi;
821 	__u32 data;
822 	__u32 flags;
823 	__u8  pad[16];
824 };
825 
826 struct kvm_arm_device_addr {
827 	__u64 id;
828 	__u64 addr;
829 };
830 
831 /*
832  * Device control API, available with KVM_CAP_DEVICE_CTRL
833  */
834 #define KVM_CREATE_DEVICE_TEST		1
835 
836 struct kvm_create_device {
837 	__u32	type;	/* in: KVM_DEV_TYPE_xxx */
838 	__u32	fd;	/* out: device handle */
839 	__u32	flags;	/* in: KVM_CREATE_DEVICE_xxx */
840 };
841 
842 struct kvm_device_attr {
843 	__u32	flags;		/* no flags currently defined */
844 	__u32	group;		/* device-defined */
845 	__u64	attr;		/* group-defined */
846 	__u64	addr;		/* userspace address of attr data */
847 };
848 
849 #define KVM_DEV_TYPE_FSL_MPIC_20	1
850 #define KVM_DEV_TYPE_FSL_MPIC_42	2
851 #define KVM_DEV_TYPE_XICS		3
852 #define KVM_DEV_TYPE_VFIO		4
853 #define  KVM_DEV_VFIO_GROUP			1
854 #define   KVM_DEV_VFIO_GROUP_ADD			1
855 #define   KVM_DEV_VFIO_GROUP_DEL			2
856 
857 /*
858  * ioctls for VM fds
859  */
860 #define KVM_SET_MEMORY_REGION     _IOW(KVMIO,  0x40, struct kvm_memory_region)
861 /*
862  * KVM_CREATE_VCPU receives as a parameter the vcpu slot, and returns
863  * a vcpu fd.
864  */
865 #define KVM_CREATE_VCPU           _IO(KVMIO,   0x41)
866 #define KVM_GET_DIRTY_LOG         _IOW(KVMIO,  0x42, struct kvm_dirty_log)
867 /* KVM_SET_MEMORY_ALIAS is obsolete: */
868 #define KVM_SET_MEMORY_ALIAS      _IOW(KVMIO,  0x43, struct kvm_memory_alias)
869 #define KVM_SET_NR_MMU_PAGES      _IO(KVMIO,   0x44)
870 #define KVM_GET_NR_MMU_PAGES      _IO(KVMIO,   0x45)
871 #define KVM_SET_USER_MEMORY_REGION _IOW(KVMIO, 0x46, \
872 					struct kvm_userspace_memory_region)
873 #define KVM_SET_TSS_ADDR          _IO(KVMIO,   0x47)
874 #define KVM_SET_IDENTITY_MAP_ADDR _IOW(KVMIO,  0x48, __u64)
875 
876 /* enable ucontrol for s390 */
877 struct kvm_s390_ucas_mapping {
878 	__u64 user_addr;
879 	__u64 vcpu_addr;
880 	__u64 length;
881 };
882 #define KVM_S390_UCAS_MAP        _IOW(KVMIO, 0x50, struct kvm_s390_ucas_mapping)
883 #define KVM_S390_UCAS_UNMAP      _IOW(KVMIO, 0x51, struct kvm_s390_ucas_mapping)
884 #define KVM_S390_VCPU_FAULT	 _IOW(KVMIO, 0x52, unsigned long)
885 
886 /* Device model IOC */
887 #define KVM_CREATE_IRQCHIP        _IO(KVMIO,   0x60)
888 #define KVM_IRQ_LINE              _IOW(KVMIO,  0x61, struct kvm_irq_level)
889 #define KVM_GET_IRQCHIP           _IOWR(KVMIO, 0x62, struct kvm_irqchip)
890 #define KVM_SET_IRQCHIP           _IOR(KVMIO,  0x63, struct kvm_irqchip)
891 #define KVM_CREATE_PIT            _IO(KVMIO,   0x64)
892 #define KVM_GET_PIT               _IOWR(KVMIO, 0x65, struct kvm_pit_state)
893 #define KVM_SET_PIT               _IOR(KVMIO,  0x66, struct kvm_pit_state)
894 #define KVM_IRQ_LINE_STATUS       _IOWR(KVMIO, 0x67, struct kvm_irq_level)
895 #define KVM_REGISTER_COALESCED_MMIO \
896 			_IOW(KVMIO,  0x67, struct kvm_coalesced_mmio_zone)
897 #define KVM_UNREGISTER_COALESCED_MMIO \
898 			_IOW(KVMIO,  0x68, struct kvm_coalesced_mmio_zone)
899 #define KVM_ASSIGN_PCI_DEVICE     _IOR(KVMIO,  0x69, \
900 				       struct kvm_assigned_pci_dev)
901 #define KVM_SET_GSI_ROUTING       _IOW(KVMIO,  0x6a, struct kvm_irq_routing)
902 /* deprecated, replaced by KVM_ASSIGN_DEV_IRQ */
903 #define KVM_ASSIGN_IRQ            __KVM_DEPRECATED_VM_R_0x70
904 #define KVM_ASSIGN_DEV_IRQ        _IOW(KVMIO,  0x70, struct kvm_assigned_irq)
905 #define KVM_REINJECT_CONTROL      _IO(KVMIO,   0x71)
906 #define KVM_DEASSIGN_PCI_DEVICE   _IOW(KVMIO,  0x72, \
907 				       struct kvm_assigned_pci_dev)
908 #define KVM_ASSIGN_SET_MSIX_NR    _IOW(KVMIO,  0x73, \
909 				       struct kvm_assigned_msix_nr)
910 #define KVM_ASSIGN_SET_MSIX_ENTRY _IOW(KVMIO,  0x74, \
911 				       struct kvm_assigned_msix_entry)
912 #define KVM_DEASSIGN_DEV_IRQ      _IOW(KVMIO,  0x75, struct kvm_assigned_irq)
913 #define KVM_IRQFD                 _IOW(KVMIO,  0x76, struct kvm_irqfd)
914 #define KVM_CREATE_PIT2		  _IOW(KVMIO,  0x77, struct kvm_pit_config)
915 #define KVM_SET_BOOT_CPU_ID       _IO(KVMIO,   0x78)
916 #define KVM_IOEVENTFD             _IOW(KVMIO,  0x79, struct kvm_ioeventfd)
917 #define KVM_XEN_HVM_CONFIG        _IOW(KVMIO,  0x7a, struct kvm_xen_hvm_config)
918 #define KVM_SET_CLOCK             _IOW(KVMIO,  0x7b, struct kvm_clock_data)
919 #define KVM_GET_CLOCK             _IOR(KVMIO,  0x7c, struct kvm_clock_data)
920 /* Available with KVM_CAP_PIT_STATE2 */
921 #define KVM_GET_PIT2              _IOR(KVMIO,  0x9f, struct kvm_pit_state2)
922 #define KVM_SET_PIT2              _IOW(KVMIO,  0xa0, struct kvm_pit_state2)
923 /* Available with KVM_CAP_PPC_GET_PVINFO */
924 #define KVM_PPC_GET_PVINFO	  _IOW(KVMIO,  0xa1, struct kvm_ppc_pvinfo)
925 /* Available with KVM_CAP_TSC_CONTROL */
926 #define KVM_SET_TSC_KHZ           _IO(KVMIO,  0xa2)
927 #define KVM_GET_TSC_KHZ           _IO(KVMIO,  0xa3)
928 /* Available with KVM_CAP_PCI_2_3 */
929 #define KVM_ASSIGN_SET_INTX_MASK  _IOW(KVMIO,  0xa4, \
930 				       struct kvm_assigned_pci_dev)
931 /* Available with KVM_CAP_SIGNAL_MSI */
932 #define KVM_SIGNAL_MSI            _IOW(KVMIO,  0xa5, struct kvm_msi)
933 /* Available with KVM_CAP_PPC_GET_SMMU_INFO */
934 #define KVM_PPC_GET_SMMU_INFO	  _IOR(KVMIO,  0xa6, struct kvm_ppc_smmu_info)
935 /* Available with KVM_CAP_PPC_ALLOC_HTAB */
936 #define KVM_PPC_ALLOCATE_HTAB	  _IOWR(KVMIO, 0xa7, __u32)
937 #define KVM_CREATE_SPAPR_TCE	  _IOW(KVMIO,  0xa8, struct kvm_create_spapr_tce)
938 /* Available with KVM_CAP_RMA */
939 #define KVM_ALLOCATE_RMA	  _IOR(KVMIO,  0xa9, struct kvm_allocate_rma)
940 /* Available with KVM_CAP_PPC_HTAB_FD */
941 #define KVM_PPC_GET_HTAB_FD	  _IOW(KVMIO,  0xaa, struct kvm_get_htab_fd)
942 /* Available with KVM_CAP_ARM_SET_DEVICE_ADDR */
943 #define KVM_ARM_SET_DEVICE_ADDR	  _IOW(KVMIO,  0xab, struct kvm_arm_device_addr)
944 /* Available with KVM_CAP_PPC_RTAS */
945 #define KVM_PPC_RTAS_DEFINE_TOKEN _IOW(KVMIO,  0xac, struct kvm_rtas_token_args)
946 
947 /* ioctl for vm fd */
948 #define KVM_CREATE_DEVICE	  _IOWR(KVMIO,  0xe0, struct kvm_create_device)
949 
950 /* ioctls for fds returned by KVM_CREATE_DEVICE */
951 #define KVM_SET_DEVICE_ATTR	  _IOW(KVMIO,  0xe1, struct kvm_device_attr)
952 #define KVM_GET_DEVICE_ATTR	  _IOW(KVMIO,  0xe2, struct kvm_device_attr)
953 #define KVM_HAS_DEVICE_ATTR	  _IOW(KVMIO,  0xe3, struct kvm_device_attr)
954 
955 /*
956  * ioctls for vcpu fds
957  */
958 #define KVM_RUN                   _IO(KVMIO,   0x80)
959 #define KVM_GET_REGS              _IOR(KVMIO,  0x81, struct kvm_regs)
960 #define KVM_SET_REGS              _IOW(KVMIO,  0x82, struct kvm_regs)
961 #define KVM_GET_SREGS             _IOR(KVMIO,  0x83, struct kvm_sregs)
962 #define KVM_SET_SREGS             _IOW(KVMIO,  0x84, struct kvm_sregs)
963 #define KVM_TRANSLATE             _IOWR(KVMIO, 0x85, struct kvm_translation)
964 #define KVM_INTERRUPT             _IOW(KVMIO,  0x86, struct kvm_interrupt)
965 /* KVM_DEBUG_GUEST is no longer supported, use KVM_SET_GUEST_DEBUG instead */
966 #define KVM_DEBUG_GUEST           __KVM_DEPRECATED_VCPU_W_0x87
967 #define KVM_GET_MSRS              _IOWR(KVMIO, 0x88, struct kvm_msrs)
968 #define KVM_SET_MSRS              _IOW(KVMIO,  0x89, struct kvm_msrs)
969 #define KVM_SET_CPUID             _IOW(KVMIO,  0x8a, struct kvm_cpuid)
970 #define KVM_SET_SIGNAL_MASK       _IOW(KVMIO,  0x8b, struct kvm_signal_mask)
971 #define KVM_GET_FPU               _IOR(KVMIO,  0x8c, struct kvm_fpu)
972 #define KVM_SET_FPU               _IOW(KVMIO,  0x8d, struct kvm_fpu)
973 #define KVM_GET_LAPIC             _IOR(KVMIO,  0x8e, struct kvm_lapic_state)
974 #define KVM_SET_LAPIC             _IOW(KVMIO,  0x8f, struct kvm_lapic_state)
975 #define KVM_SET_CPUID2            _IOW(KVMIO,  0x90, struct kvm_cpuid2)
976 #define KVM_GET_CPUID2            _IOWR(KVMIO, 0x91, struct kvm_cpuid2)
977 /* Available with KVM_CAP_VAPIC */
978 #define KVM_TPR_ACCESS_REPORTING  _IOWR(KVMIO, 0x92, struct kvm_tpr_access_ctl)
979 /* Available with KVM_CAP_VAPIC */
980 #define KVM_SET_VAPIC_ADDR        _IOW(KVMIO,  0x93, struct kvm_vapic_addr)
981 /* valid for virtual machine (for floating interrupt)_and_ vcpu */
982 #define KVM_S390_INTERRUPT        _IOW(KVMIO,  0x94, struct kvm_s390_interrupt)
983 /* store status for s390 */
984 #define KVM_S390_STORE_STATUS_NOADDR    (-1ul)
985 #define KVM_S390_STORE_STATUS_PREFIXED  (-2ul)
986 #define KVM_S390_STORE_STATUS	  _IOW(KVMIO,  0x95, unsigned long)
987 /* initial ipl psw for s390 */
988 #define KVM_S390_SET_INITIAL_PSW  _IOW(KVMIO,  0x96, struct kvm_s390_psw)
989 /* initial reset for s390 */
990 #define KVM_S390_INITIAL_RESET    _IO(KVMIO,   0x97)
991 #define KVM_GET_MP_STATE          _IOR(KVMIO,  0x98, struct kvm_mp_state)
992 #define KVM_SET_MP_STATE          _IOW(KVMIO,  0x99, struct kvm_mp_state)
993 /* Available with KVM_CAP_NMI */
994 #define KVM_NMI                   _IO(KVMIO,   0x9a)
995 /* Available with KVM_CAP_SET_GUEST_DEBUG */
996 #define KVM_SET_GUEST_DEBUG       _IOW(KVMIO,  0x9b, struct kvm_guest_debug)
997 /* MCE for x86 */
998 #define KVM_X86_SETUP_MCE         _IOW(KVMIO,  0x9c, __u64)
999 #define KVM_X86_GET_MCE_CAP_SUPPORTED _IOR(KVMIO,  0x9d, __u64)
1000 #define KVM_X86_SET_MCE           _IOW(KVMIO,  0x9e, struct kvm_x86_mce)
1001 /* IA64 stack access */
1002 #define KVM_IA64_VCPU_GET_STACK   _IOR(KVMIO,  0x9a, void *)
1003 #define KVM_IA64_VCPU_SET_STACK   _IOW(KVMIO,  0x9b, void *)
1004 /* Available with KVM_CAP_VCPU_EVENTS */
1005 #define KVM_GET_VCPU_EVENTS       _IOR(KVMIO,  0x9f, struct kvm_vcpu_events)
1006 #define KVM_SET_VCPU_EVENTS       _IOW(KVMIO,  0xa0, struct kvm_vcpu_events)
1007 /* Available with KVM_CAP_DEBUGREGS */
1008 #define KVM_GET_DEBUGREGS         _IOR(KVMIO,  0xa1, struct kvm_debugregs)
1009 #define KVM_SET_DEBUGREGS         _IOW(KVMIO,  0xa2, struct kvm_debugregs)
1010 #define KVM_ENABLE_CAP            _IOW(KVMIO,  0xa3, struct kvm_enable_cap)
1011 /* Available with KVM_CAP_XSAVE */
1012 #define KVM_GET_XSAVE		  _IOR(KVMIO,  0xa4, struct kvm_xsave)
1013 #define KVM_SET_XSAVE		  _IOW(KVMIO,  0xa5, struct kvm_xsave)
1014 /* Available with KVM_CAP_XCRS */
1015 #define KVM_GET_XCRS		  _IOR(KVMIO,  0xa6, struct kvm_xcrs)
1016 #define KVM_SET_XCRS		  _IOW(KVMIO,  0xa7, struct kvm_xcrs)
1017 /* Available with KVM_CAP_SW_TLB */
1018 #define KVM_DIRTY_TLB		  _IOW(KVMIO,  0xaa, struct kvm_dirty_tlb)
1019 /* Available with KVM_CAP_ONE_REG */
1020 #define KVM_GET_ONE_REG		  _IOW(KVMIO,  0xab, struct kvm_one_reg)
1021 #define KVM_SET_ONE_REG		  _IOW(KVMIO,  0xac, struct kvm_one_reg)
1022 /* VM is being stopped by host */
1023 #define KVM_KVMCLOCK_CTRL	  _IO(KVMIO,   0xad)
1024 #define KVM_ARM_VCPU_INIT	  _IOW(KVMIO,  0xae, struct kvm_vcpu_init)
1025 #define KVM_ARM_PREFERRED_TARGET  _IOR(KVMIO,  0xaf, struct kvm_vcpu_init)
1026 #define KVM_GET_REG_LIST	  _IOWR(KVMIO, 0xb0, struct kvm_reg_list)
1027 
1028 #define KVM_DEV_ASSIGN_ENABLE_IOMMU	(1 << 0)
1029 #define KVM_DEV_ASSIGN_PCI_2_3		(1 << 1)
1030 #define KVM_DEV_ASSIGN_MASK_INTX	(1 << 2)
1031 
1032 struct kvm_assigned_pci_dev {
1033 	__u32 assigned_dev_id;
1034 	__u32 busnr;
1035 	__u32 devfn;
1036 	__u32 flags;
1037 	__u32 segnr;
1038 	union {
1039 		__u32 reserved[11];
1040 	};
1041 };
1042 
1043 #define KVM_DEV_IRQ_HOST_INTX    (1 << 0)
1044 #define KVM_DEV_IRQ_HOST_MSI     (1 << 1)
1045 #define KVM_DEV_IRQ_HOST_MSIX    (1 << 2)
1046 
1047 #define KVM_DEV_IRQ_GUEST_INTX   (1 << 8)
1048 #define KVM_DEV_IRQ_GUEST_MSI    (1 << 9)
1049 #define KVM_DEV_IRQ_GUEST_MSIX   (1 << 10)
1050 
1051 #define KVM_DEV_IRQ_HOST_MASK	 0x00ff
1052 #define KVM_DEV_IRQ_GUEST_MASK   0xff00
1053 
1054 struct kvm_assigned_irq {
1055 	__u32 assigned_dev_id;
1056 	__u32 host_irq; /* ignored (legacy field) */
1057 	__u32 guest_irq;
1058 	__u32 flags;
1059 	union {
1060 		__u32 reserved[12];
1061 	};
1062 };
1063 
1064 struct kvm_assigned_msix_nr {
1065 	__u32 assigned_dev_id;
1066 	__u16 entry_nr;
1067 	__u16 padding;
1068 };
1069 
1070 #define KVM_MAX_MSIX_PER_DEV		256
1071 struct kvm_assigned_msix_entry {
1072 	__u32 assigned_dev_id;
1073 	__u32 gsi;
1074 	__u16 entry; /* The index of entry in the MSI-X table */
1075 	__u16 padding[3];
1076 };
1077 
1078 #endif /* __LINUX_KVM_H */
1079