kvm: add support for hyper-v timers
[qemu.git] / linux-headers / linux / kvm.h
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 #define KVM_CAP_HYPERV_TIME 96
678
679 #ifdef KVM_CAP_IRQ_ROUTING
680
681 struct kvm_irq_routing_irqchip {
682 __u32 irqchip;
683 __u32 pin;
684 };
685
686 struct kvm_irq_routing_msi {
687 __u32 address_lo;
688 __u32 address_hi;
689 __u32 data;
690 __u32 pad;
691 };
692
693 /* gsi routing entry types */
694 #define KVM_IRQ_ROUTING_IRQCHIP 1
695 #define KVM_IRQ_ROUTING_MSI 2
696
697 struct kvm_irq_routing_entry {
698 __u32 gsi;
699 __u32 type;
700 __u32 flags;
701 __u32 pad;
702 union {
703 struct kvm_irq_routing_irqchip irqchip;
704 struct kvm_irq_routing_msi msi;
705 __u32 pad[8];
706 } u;
707 };
708
709 struct kvm_irq_routing {
710 __u32 nr;
711 __u32 flags;
712 struct kvm_irq_routing_entry entries[0];
713 };
714
715 #endif
716
717 #ifdef KVM_CAP_MCE
718 /* x86 MCE */
719 struct kvm_x86_mce {
720 __u64 status;
721 __u64 addr;
722 __u64 misc;
723 __u64 mcg_status;
724 __u8 bank;
725 __u8 pad1[7];
726 __u64 pad2[3];
727 };
728 #endif
729
730 #ifdef KVM_CAP_XEN_HVM
731 struct kvm_xen_hvm_config {
732 __u32 flags;
733 __u32 msr;
734 __u64 blob_addr_32;
735 __u64 blob_addr_64;
736 __u8 blob_size_32;
737 __u8 blob_size_64;
738 __u8 pad2[30];
739 };
740 #endif
741
742 #define KVM_IRQFD_FLAG_DEASSIGN (1 << 0)
743 /*
744 * Available with KVM_CAP_IRQFD_RESAMPLE
745 *
746 * KVM_IRQFD_FLAG_RESAMPLE indicates resamplefd is valid and specifies
747 * the irqfd to operate in resampling mode for level triggered interrupt
748 * emlation. See Documentation/virtual/kvm/api.txt.
749 */
750 #define KVM_IRQFD_FLAG_RESAMPLE (1 << 1)
751
752 struct kvm_irqfd {
753 __u32 fd;
754 __u32 gsi;
755 __u32 flags;
756 __u32 resamplefd;
757 __u8 pad[16];
758 };
759
760 struct kvm_clock_data {
761 __u64 clock;
762 __u32 flags;
763 __u32 pad[9];
764 };
765
766 #define KVM_MMU_FSL_BOOKE_NOHV 0
767 #define KVM_MMU_FSL_BOOKE_HV 1
768
769 struct kvm_config_tlb {
770 __u64 params;
771 __u64 array;
772 __u32 mmu_type;
773 __u32 array_len;
774 };
775
776 struct kvm_dirty_tlb {
777 __u64 bitmap;
778 __u32 num_dirty;
779 };
780
781 /* Available with KVM_CAP_ONE_REG */
782
783 #define KVM_REG_ARCH_MASK 0xff00000000000000ULL
784 #define KVM_REG_GENERIC 0x0000000000000000ULL
785
786 /*
787 * Architecture specific registers are to be defined in arch headers and
788 * ORed with the arch identifier.
789 */
790 #define KVM_REG_PPC 0x1000000000000000ULL
791 #define KVM_REG_X86 0x2000000000000000ULL
792 #define KVM_REG_IA64 0x3000000000000000ULL
793 #define KVM_REG_ARM 0x4000000000000000ULL
794 #define KVM_REG_S390 0x5000000000000000ULL
795 #define KVM_REG_ARM64 0x6000000000000000ULL
796 #define KVM_REG_MIPS 0x7000000000000000ULL
797
798 #define KVM_REG_SIZE_SHIFT 52
799 #define KVM_REG_SIZE_MASK 0x00f0000000000000ULL
800 #define KVM_REG_SIZE_U8 0x0000000000000000ULL
801 #define KVM_REG_SIZE_U16 0x0010000000000000ULL
802 #define KVM_REG_SIZE_U32 0x0020000000000000ULL
803 #define KVM_REG_SIZE_U64 0x0030000000000000ULL
804 #define KVM_REG_SIZE_U128 0x0040000000000000ULL
805 #define KVM_REG_SIZE_U256 0x0050000000000000ULL
806 #define KVM_REG_SIZE_U512 0x0060000000000000ULL
807 #define KVM_REG_SIZE_U1024 0x0070000000000000ULL
808
809 struct kvm_reg_list {
810 __u64 n; /* number of regs */
811 __u64 reg[0];
812 };
813
814 struct kvm_one_reg {
815 __u64 id;
816 __u64 addr;
817 };
818
819 struct kvm_msi {
820 __u32 address_lo;
821 __u32 address_hi;
822 __u32 data;
823 __u32 flags;
824 __u8 pad[16];
825 };
826
827 struct kvm_arm_device_addr {
828 __u64 id;
829 __u64 addr;
830 };
831
832 /*
833 * Device control API, available with KVM_CAP_DEVICE_CTRL
834 */
835 #define KVM_CREATE_DEVICE_TEST 1
836
837 struct kvm_create_device {
838 __u32 type; /* in: KVM_DEV_TYPE_xxx */
839 __u32 fd; /* out: device handle */
840 __u32 flags; /* in: KVM_CREATE_DEVICE_xxx */
841 };
842
843 struct kvm_device_attr {
844 __u32 flags; /* no flags currently defined */
845 __u32 group; /* device-defined */
846 __u64 attr; /* group-defined */
847 __u64 addr; /* userspace address of attr data */
848 };
849
850 #define KVM_DEV_TYPE_FSL_MPIC_20 1
851 #define KVM_DEV_TYPE_FSL_MPIC_42 2
852 #define KVM_DEV_TYPE_XICS 3
853 #define KVM_DEV_TYPE_VFIO 4
854 #define KVM_DEV_VFIO_GROUP 1
855 #define KVM_DEV_VFIO_GROUP_ADD 1
856 #define KVM_DEV_VFIO_GROUP_DEL 2
857
858 /*
859 * ioctls for VM fds
860 */
861 #define KVM_SET_MEMORY_REGION _IOW(KVMIO, 0x40, struct kvm_memory_region)
862 /*
863 * KVM_CREATE_VCPU receives as a parameter the vcpu slot, and returns
864 * a vcpu fd.
865 */
866 #define KVM_CREATE_VCPU _IO(KVMIO, 0x41)
867 #define KVM_GET_DIRTY_LOG _IOW(KVMIO, 0x42, struct kvm_dirty_log)
868 /* KVM_SET_MEMORY_ALIAS is obsolete: */
869 #define KVM_SET_MEMORY_ALIAS _IOW(KVMIO, 0x43, struct kvm_memory_alias)
870 #define KVM_SET_NR_MMU_PAGES _IO(KVMIO, 0x44)
871 #define KVM_GET_NR_MMU_PAGES _IO(KVMIO, 0x45)
872 #define KVM_SET_USER_MEMORY_REGION _IOW(KVMIO, 0x46, \
873 struct kvm_userspace_memory_region)
874 #define KVM_SET_TSS_ADDR _IO(KVMIO, 0x47)
875 #define KVM_SET_IDENTITY_MAP_ADDR _IOW(KVMIO, 0x48, __u64)
876
877 /* enable ucontrol for s390 */
878 struct kvm_s390_ucas_mapping {
879 __u64 user_addr;
880 __u64 vcpu_addr;
881 __u64 length;
882 };
883 #define KVM_S390_UCAS_MAP _IOW(KVMIO, 0x50, struct kvm_s390_ucas_mapping)
884 #define KVM_S390_UCAS_UNMAP _IOW(KVMIO, 0x51, struct kvm_s390_ucas_mapping)
885 #define KVM_S390_VCPU_FAULT _IOW(KVMIO, 0x52, unsigned long)
886
887 /* Device model IOC */
888 #define KVM_CREATE_IRQCHIP _IO(KVMIO, 0x60)
889 #define KVM_IRQ_LINE _IOW(KVMIO, 0x61, struct kvm_irq_level)
890 #define KVM_GET_IRQCHIP _IOWR(KVMIO, 0x62, struct kvm_irqchip)
891 #define KVM_SET_IRQCHIP _IOR(KVMIO, 0x63, struct kvm_irqchip)
892 #define KVM_CREATE_PIT _IO(KVMIO, 0x64)
893 #define KVM_GET_PIT _IOWR(KVMIO, 0x65, struct kvm_pit_state)
894 #define KVM_SET_PIT _IOR(KVMIO, 0x66, struct kvm_pit_state)
895 #define KVM_IRQ_LINE_STATUS _IOWR(KVMIO, 0x67, struct kvm_irq_level)
896 #define KVM_REGISTER_COALESCED_MMIO \
897 _IOW(KVMIO, 0x67, struct kvm_coalesced_mmio_zone)
898 #define KVM_UNREGISTER_COALESCED_MMIO \
899 _IOW(KVMIO, 0x68, struct kvm_coalesced_mmio_zone)
900 #define KVM_ASSIGN_PCI_DEVICE _IOR(KVMIO, 0x69, \
901 struct kvm_assigned_pci_dev)
902 #define KVM_SET_GSI_ROUTING _IOW(KVMIO, 0x6a, struct kvm_irq_routing)
903 /* deprecated, replaced by KVM_ASSIGN_DEV_IRQ */
904 #define KVM_ASSIGN_IRQ __KVM_DEPRECATED_VM_R_0x70
905 #define KVM_ASSIGN_DEV_IRQ _IOW(KVMIO, 0x70, struct kvm_assigned_irq)
906 #define KVM_REINJECT_CONTROL _IO(KVMIO, 0x71)
907 #define KVM_DEASSIGN_PCI_DEVICE _IOW(KVMIO, 0x72, \
908 struct kvm_assigned_pci_dev)
909 #define KVM_ASSIGN_SET_MSIX_NR _IOW(KVMIO, 0x73, \
910 struct kvm_assigned_msix_nr)
911 #define KVM_ASSIGN_SET_MSIX_ENTRY _IOW(KVMIO, 0x74, \
912 struct kvm_assigned_msix_entry)
913 #define KVM_DEASSIGN_DEV_IRQ _IOW(KVMIO, 0x75, struct kvm_assigned_irq)
914 #define KVM_IRQFD _IOW(KVMIO, 0x76, struct kvm_irqfd)
915 #define KVM_CREATE_PIT2 _IOW(KVMIO, 0x77, struct kvm_pit_config)
916 #define KVM_SET_BOOT_CPU_ID _IO(KVMIO, 0x78)
917 #define KVM_IOEVENTFD _IOW(KVMIO, 0x79, struct kvm_ioeventfd)
918 #define KVM_XEN_HVM_CONFIG _IOW(KVMIO, 0x7a, struct kvm_xen_hvm_config)
919 #define KVM_SET_CLOCK _IOW(KVMIO, 0x7b, struct kvm_clock_data)
920 #define KVM_GET_CLOCK _IOR(KVMIO, 0x7c, struct kvm_clock_data)
921 /* Available with KVM_CAP_PIT_STATE2 */
922 #define KVM_GET_PIT2 _IOR(KVMIO, 0x9f, struct kvm_pit_state2)
923 #define KVM_SET_PIT2 _IOW(KVMIO, 0xa0, struct kvm_pit_state2)
924 /* Available with KVM_CAP_PPC_GET_PVINFO */
925 #define KVM_PPC_GET_PVINFO _IOW(KVMIO, 0xa1, struct kvm_ppc_pvinfo)
926 /* Available with KVM_CAP_TSC_CONTROL */
927 #define KVM_SET_TSC_KHZ _IO(KVMIO, 0xa2)
928 #define KVM_GET_TSC_KHZ _IO(KVMIO, 0xa3)
929 /* Available with KVM_CAP_PCI_2_3 */
930 #define KVM_ASSIGN_SET_INTX_MASK _IOW(KVMIO, 0xa4, \
931 struct kvm_assigned_pci_dev)
932 /* Available with KVM_CAP_SIGNAL_MSI */
933 #define KVM_SIGNAL_MSI _IOW(KVMIO, 0xa5, struct kvm_msi)
934 /* Available with KVM_CAP_PPC_GET_SMMU_INFO */
935 #define KVM_PPC_GET_SMMU_INFO _IOR(KVMIO, 0xa6, struct kvm_ppc_smmu_info)
936 /* Available with KVM_CAP_PPC_ALLOC_HTAB */
937 #define KVM_PPC_ALLOCATE_HTAB _IOWR(KVMIO, 0xa7, __u32)
938 #define KVM_CREATE_SPAPR_TCE _IOW(KVMIO, 0xa8, struct kvm_create_spapr_tce)
939 /* Available with KVM_CAP_RMA */
940 #define KVM_ALLOCATE_RMA _IOR(KVMIO, 0xa9, struct kvm_allocate_rma)
941 /* Available with KVM_CAP_PPC_HTAB_FD */
942 #define KVM_PPC_GET_HTAB_FD _IOW(KVMIO, 0xaa, struct kvm_get_htab_fd)
943 /* Available with KVM_CAP_ARM_SET_DEVICE_ADDR */
944 #define KVM_ARM_SET_DEVICE_ADDR _IOW(KVMIO, 0xab, struct kvm_arm_device_addr)
945 /* Available with KVM_CAP_PPC_RTAS */
946 #define KVM_PPC_RTAS_DEFINE_TOKEN _IOW(KVMIO, 0xac, struct kvm_rtas_token_args)
947
948 /* ioctl for vm fd */
949 #define KVM_CREATE_DEVICE _IOWR(KVMIO, 0xe0, struct kvm_create_device)
950
951 /* ioctls for fds returned by KVM_CREATE_DEVICE */
952 #define KVM_SET_DEVICE_ATTR _IOW(KVMIO, 0xe1, struct kvm_device_attr)
953 #define KVM_GET_DEVICE_ATTR _IOW(KVMIO, 0xe2, struct kvm_device_attr)
954 #define KVM_HAS_DEVICE_ATTR _IOW(KVMIO, 0xe3, struct kvm_device_attr)
955
956 /*
957 * ioctls for vcpu fds
958 */
959 #define KVM_RUN _IO(KVMIO, 0x80)
960 #define KVM_GET_REGS _IOR(KVMIO, 0x81, struct kvm_regs)
961 #define KVM_SET_REGS _IOW(KVMIO, 0x82, struct kvm_regs)
962 #define KVM_GET_SREGS _IOR(KVMIO, 0x83, struct kvm_sregs)
963 #define KVM_SET_SREGS _IOW(KVMIO, 0x84, struct kvm_sregs)
964 #define KVM_TRANSLATE _IOWR(KVMIO, 0x85, struct kvm_translation)
965 #define KVM_INTERRUPT _IOW(KVMIO, 0x86, struct kvm_interrupt)
966 /* KVM_DEBUG_GUEST is no longer supported, use KVM_SET_GUEST_DEBUG instead */
967 #define KVM_DEBUG_GUEST __KVM_DEPRECATED_VCPU_W_0x87
968 #define KVM_GET_MSRS _IOWR(KVMIO, 0x88, struct kvm_msrs)
969 #define KVM_SET_MSRS _IOW(KVMIO, 0x89, struct kvm_msrs)
970 #define KVM_SET_CPUID _IOW(KVMIO, 0x8a, struct kvm_cpuid)
971 #define KVM_SET_SIGNAL_MASK _IOW(KVMIO, 0x8b, struct kvm_signal_mask)
972 #define KVM_GET_FPU _IOR(KVMIO, 0x8c, struct kvm_fpu)
973 #define KVM_SET_FPU _IOW(KVMIO, 0x8d, struct kvm_fpu)
974 #define KVM_GET_LAPIC _IOR(KVMIO, 0x8e, struct kvm_lapic_state)
975 #define KVM_SET_LAPIC _IOW(KVMIO, 0x8f, struct kvm_lapic_state)
976 #define KVM_SET_CPUID2 _IOW(KVMIO, 0x90, struct kvm_cpuid2)
977 #define KVM_GET_CPUID2 _IOWR(KVMIO, 0x91, struct kvm_cpuid2)
978 /* Available with KVM_CAP_VAPIC */
979 #define KVM_TPR_ACCESS_REPORTING _IOWR(KVMIO, 0x92, struct kvm_tpr_access_ctl)
980 /* Available with KVM_CAP_VAPIC */
981 #define KVM_SET_VAPIC_ADDR _IOW(KVMIO, 0x93, struct kvm_vapic_addr)
982 /* valid for virtual machine (for floating interrupt)_and_ vcpu */
983 #define KVM_S390_INTERRUPT _IOW(KVMIO, 0x94, struct kvm_s390_interrupt)
984 /* store status for s390 */
985 #define KVM_S390_STORE_STATUS_NOADDR (-1ul)
986 #define KVM_S390_STORE_STATUS_PREFIXED (-2ul)
987 #define KVM_S390_STORE_STATUS _IOW(KVMIO, 0x95, unsigned long)
988 /* initial ipl psw for s390 */
989 #define KVM_S390_SET_INITIAL_PSW _IOW(KVMIO, 0x96, struct kvm_s390_psw)
990 /* initial reset for s390 */
991 #define KVM_S390_INITIAL_RESET _IO(KVMIO, 0x97)
992 #define KVM_GET_MP_STATE _IOR(KVMIO, 0x98, struct kvm_mp_state)
993 #define KVM_SET_MP_STATE _IOW(KVMIO, 0x99, struct kvm_mp_state)
994 /* Available with KVM_CAP_NMI */
995 #define KVM_NMI _IO(KVMIO, 0x9a)
996 /* Available with KVM_CAP_SET_GUEST_DEBUG */
997 #define KVM_SET_GUEST_DEBUG _IOW(KVMIO, 0x9b, struct kvm_guest_debug)
998 /* MCE for x86 */
999 #define KVM_X86_SETUP_MCE _IOW(KVMIO, 0x9c, __u64)
1000 #define KVM_X86_GET_MCE_CAP_SUPPORTED _IOR(KVMIO, 0x9d, __u64)
1001 #define KVM_X86_SET_MCE _IOW(KVMIO, 0x9e, struct kvm_x86_mce)
1002 /* IA64 stack access */
1003 #define KVM_IA64_VCPU_GET_STACK _IOR(KVMIO, 0x9a, void *)
1004 #define KVM_IA64_VCPU_SET_STACK _IOW(KVMIO, 0x9b, void *)
1005 /* Available with KVM_CAP_VCPU_EVENTS */
1006 #define KVM_GET_VCPU_EVENTS _IOR(KVMIO, 0x9f, struct kvm_vcpu_events)
1007 #define KVM_SET_VCPU_EVENTS _IOW(KVMIO, 0xa0, struct kvm_vcpu_events)
1008 /* Available with KVM_CAP_DEBUGREGS */
1009 #define KVM_GET_DEBUGREGS _IOR(KVMIO, 0xa1, struct kvm_debugregs)
1010 #define KVM_SET_DEBUGREGS _IOW(KVMIO, 0xa2, struct kvm_debugregs)
1011 #define KVM_ENABLE_CAP _IOW(KVMIO, 0xa3, struct kvm_enable_cap)
1012 /* Available with KVM_CAP_XSAVE */
1013 #define KVM_GET_XSAVE _IOR(KVMIO, 0xa4, struct kvm_xsave)
1014 #define KVM_SET_XSAVE _IOW(KVMIO, 0xa5, struct kvm_xsave)
1015 /* Available with KVM_CAP_XCRS */
1016 #define KVM_GET_XCRS _IOR(KVMIO, 0xa6, struct kvm_xcrs)
1017 #define KVM_SET_XCRS _IOW(KVMIO, 0xa7, struct kvm_xcrs)
1018 /* Available with KVM_CAP_SW_TLB */
1019 #define KVM_DIRTY_TLB _IOW(KVMIO, 0xaa, struct kvm_dirty_tlb)
1020 /* Available with KVM_CAP_ONE_REG */
1021 #define KVM_GET_ONE_REG _IOW(KVMIO, 0xab, struct kvm_one_reg)
1022 #define KVM_SET_ONE_REG _IOW(KVMIO, 0xac, struct kvm_one_reg)
1023 /* VM is being stopped by host */
1024 #define KVM_KVMCLOCK_CTRL _IO(KVMIO, 0xad)
1025 #define KVM_ARM_VCPU_INIT _IOW(KVMIO, 0xae, struct kvm_vcpu_init)
1026 #define KVM_ARM_PREFERRED_TARGET _IOR(KVMIO, 0xaf, struct kvm_vcpu_init)
1027 #define KVM_GET_REG_LIST _IOWR(KVMIO, 0xb0, struct kvm_reg_list)
1028
1029 #define KVM_DEV_ASSIGN_ENABLE_IOMMU (1 << 0)
1030 #define KVM_DEV_ASSIGN_PCI_2_3 (1 << 1)
1031 #define KVM_DEV_ASSIGN_MASK_INTX (1 << 2)
1032
1033 struct kvm_assigned_pci_dev {
1034 __u32 assigned_dev_id;
1035 __u32 busnr;
1036 __u32 devfn;
1037 __u32 flags;
1038 __u32 segnr;
1039 union {
1040 __u32 reserved[11];
1041 };
1042 };
1043
1044 #define KVM_DEV_IRQ_HOST_INTX (1 << 0)
1045 #define KVM_DEV_IRQ_HOST_MSI (1 << 1)
1046 #define KVM_DEV_IRQ_HOST_MSIX (1 << 2)
1047
1048 #define KVM_DEV_IRQ_GUEST_INTX (1 << 8)
1049 #define KVM_DEV_IRQ_GUEST_MSI (1 << 9)
1050 #define KVM_DEV_IRQ_GUEST_MSIX (1 << 10)
1051
1052 #define KVM_DEV_IRQ_HOST_MASK 0x00ff
1053 #define KVM_DEV_IRQ_GUEST_MASK 0xff00
1054
1055 struct kvm_assigned_irq {
1056 __u32 assigned_dev_id;
1057 __u32 host_irq; /* ignored (legacy field) */
1058 __u32 guest_irq;
1059 __u32 flags;
1060 union {
1061 __u32 reserved[12];
1062 };
1063 };
1064
1065 struct kvm_assigned_msix_nr {
1066 __u32 assigned_dev_id;
1067 __u16 entry_nr;
1068 __u16 padding;
1069 };
1070
1071 #define KVM_MAX_MSIX_PER_DEV 256
1072 struct kvm_assigned_msix_entry {
1073 __u32 assigned_dev_id;
1074 __u32 gsi;
1075 __u16 entry; /* The index of entry in the MSI-X table */
1076 __u16 padding[3];
1077 };
1078
1079 #endif /* __LINUX_KVM_H */