Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
tjh.dev
kernel
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linux
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#include <linux/compiler.h>
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
57struct 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
69struct kvm_breakpoint {
70 __u32 enabled;
71 __u32 padding;
72 __u64 address;
73};
74
75struct 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 */
88struct 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 */
96struct kvm_userspace_memory_region {
97 __u32 slot;
98 __u32 flags;
99 __u64 guest_phys_addr;
100 __u64 memory_size; /* bytes */
101 __u64 userspace_addr; /* start of the userspace allocated memory */
102};
103
104/* for kvm_memory_region::flags */
105#define KVM_MEM_LOG_DIRTY_PAGES 1UL
106#define KVM_MEMSLOT_INVALID (1UL << 1)
107
108/* for KVM_IRQ_LINE */
109struct kvm_irq_level {
110 /*
111 * ACPI gsi notion of irq.
112 * For IA-64 (APIC model) IOAPIC0: irq 0-23; IOAPIC1: irq 24-47..
113 * For X86 (standard AT mode) PIC0/1: irq 0-15. IOAPIC0: 0-23..
114 */
115 union {
116 __u32 irq;
117 __s32 status;
118 };
119 __u32 level;
120};
121
122
123struct kvm_irqchip {
124 __u32 chip_id;
125 __u32 pad;
126 union {
127 char dummy[512]; /* reserving space */
128#ifdef __KVM_HAVE_PIT
129 struct kvm_pic_state pic;
130#endif
131#ifdef __KVM_HAVE_IOAPIC
132 struct kvm_ioapic_state ioapic;
133#endif
134 } chip;
135};
136
137/* for KVM_CREATE_PIT2 */
138struct kvm_pit_config {
139 __u32 flags;
140 __u32 pad[15];
141};
142
143#define KVM_PIT_SPEAKER_DUMMY 1
144
145#define KVM_EXIT_UNKNOWN 0
146#define KVM_EXIT_EXCEPTION 1
147#define KVM_EXIT_IO 2
148#define KVM_EXIT_HYPERCALL 3
149#define KVM_EXIT_DEBUG 4
150#define KVM_EXIT_HLT 5
151#define KVM_EXIT_MMIO 6
152#define KVM_EXIT_IRQ_WINDOW_OPEN 7
153#define KVM_EXIT_SHUTDOWN 8
154#define KVM_EXIT_FAIL_ENTRY 9
155#define KVM_EXIT_INTR 10
156#define KVM_EXIT_SET_TPR 11
157#define KVM_EXIT_TPR_ACCESS 12
158#define KVM_EXIT_S390_SIEIC 13
159#define KVM_EXIT_S390_RESET 14
160#define KVM_EXIT_DCR 15
161#define KVM_EXIT_NMI 16
162#define KVM_EXIT_INTERNAL_ERROR 17
163#define KVM_EXIT_OSI 18
164#define KVM_EXIT_PAPR_HCALL 19
165#define KVM_EXIT_S390_UCONTROL 20
166
167/* For KVM_EXIT_INTERNAL_ERROR */
168#define KVM_INTERNAL_ERROR_EMULATION 1
169#define KVM_INTERNAL_ERROR_SIMUL_EX 2
170
171/* for KVM_RUN, returned by mmap(vcpu_fd, offset=0) */
172struct kvm_run {
173 /* in */
174 __u8 request_interrupt_window;
175 __u8 padding1[7];
176
177 /* out */
178 __u32 exit_reason;
179 __u8 ready_for_interrupt_injection;
180 __u8 if_flag;
181 __u8 padding2[2];
182
183 /* in (pre_kvm_run), out (post_kvm_run) */
184 __u64 cr8;
185 __u64 apic_base;
186
187#ifdef __KVM_S390
188 /* the processor status word for s390 */
189 __u64 psw_mask; /* psw upper half */
190 __u64 psw_addr; /* psw lower half */
191#endif
192 union {
193 /* KVM_EXIT_UNKNOWN */
194 struct {
195 __u64 hardware_exit_reason;
196 } hw;
197 /* KVM_EXIT_FAIL_ENTRY */
198 struct {
199 __u64 hardware_entry_failure_reason;
200 } fail_entry;
201 /* KVM_EXIT_EXCEPTION */
202 struct {
203 __u32 exception;
204 __u32 error_code;
205 } ex;
206 /* KVM_EXIT_IO */
207 struct {
208#define KVM_EXIT_IO_IN 0
209#define KVM_EXIT_IO_OUT 1
210 __u8 direction;
211 __u8 size; /* bytes */
212 __u16 port;
213 __u32 count;
214 __u64 data_offset; /* relative to kvm_run start */
215 } io;
216 struct {
217 struct kvm_debug_exit_arch arch;
218 } debug;
219 /* KVM_EXIT_MMIO */
220 struct {
221 __u64 phys_addr;
222 __u8 data[8];
223 __u32 len;
224 __u8 is_write;
225 } mmio;
226 /* KVM_EXIT_HYPERCALL */
227 struct {
228 __u64 nr;
229 __u64 args[6];
230 __u64 ret;
231 __u32 longmode;
232 __u32 pad;
233 } hypercall;
234 /* KVM_EXIT_TPR_ACCESS */
235 struct {
236 __u64 rip;
237 __u32 is_write;
238 __u32 pad;
239 } tpr_access;
240 /* KVM_EXIT_S390_SIEIC */
241 struct {
242 __u8 icptcode;
243 __u16 ipa;
244 __u32 ipb;
245 } s390_sieic;
246 /* KVM_EXIT_S390_RESET */
247#define KVM_S390_RESET_POR 1
248#define KVM_S390_RESET_CLEAR 2
249#define KVM_S390_RESET_SUBSYSTEM 4
250#define KVM_S390_RESET_CPU_INIT 8
251#define KVM_S390_RESET_IPL 16
252 __u64 s390_reset_flags;
253 /* KVM_EXIT_S390_UCONTROL */
254 struct {
255 __u64 trans_exc_code;
256 __u32 pgm_code;
257 } s390_ucontrol;
258 /* KVM_EXIT_DCR */
259 struct {
260 __u32 dcrn;
261 __u32 data;
262 __u8 is_write;
263 } dcr;
264 struct {
265 __u32 suberror;
266 /* Available with KVM_CAP_INTERNAL_ERROR_DATA: */
267 __u32 ndata;
268 __u64 data[16];
269 } internal;
270 /* KVM_EXIT_OSI */
271 struct {
272 __u64 gprs[32];
273 } osi;
274 struct {
275 __u64 nr;
276 __u64 ret;
277 __u64 args[9];
278 } papr_hcall;
279 /* Fix the size of the union. */
280 char padding[256];
281 };
282
283 /*
284 * shared registers between kvm and userspace.
285 * kvm_valid_regs specifies the register classes set by the host
286 * kvm_dirty_regs specified the register classes dirtied by userspace
287 * struct kvm_sync_regs is architecture specific, as well as the
288 * bits for kvm_valid_regs and kvm_dirty_regs
289 */
290 __u64 kvm_valid_regs;
291 __u64 kvm_dirty_regs;
292 union {
293 struct kvm_sync_regs regs;
294 char padding[1024];
295 } s;
296};
297
298/* for KVM_REGISTER_COALESCED_MMIO / KVM_UNREGISTER_COALESCED_MMIO */
299
300struct kvm_coalesced_mmio_zone {
301 __u64 addr;
302 __u32 size;
303 __u32 pad;
304};
305
306struct kvm_coalesced_mmio {
307 __u64 phys_addr;
308 __u32 len;
309 __u32 pad;
310 __u8 data[8];
311};
312
313struct kvm_coalesced_mmio_ring {
314 __u32 first, last;
315 struct kvm_coalesced_mmio coalesced_mmio[0];
316};
317
318#define KVM_COALESCED_MMIO_MAX \
319 ((PAGE_SIZE - sizeof(struct kvm_coalesced_mmio_ring)) / \
320 sizeof(struct kvm_coalesced_mmio))
321
322/* for KVM_TRANSLATE */
323struct kvm_translation {
324 /* in */
325 __u64 linear_address;
326
327 /* out */
328 __u64 physical_address;
329 __u8 valid;
330 __u8 writeable;
331 __u8 usermode;
332 __u8 pad[5];
333};
334
335/* for KVM_INTERRUPT */
336struct kvm_interrupt {
337 /* in */
338 __u32 irq;
339};
340
341/* for KVM_GET_DIRTY_LOG */
342struct kvm_dirty_log {
343 __u32 slot;
344 __u32 padding1;
345 union {
346 void __user *dirty_bitmap; /* one bit per page */
347 __u64 padding2;
348 };
349};
350
351/* for KVM_SET_SIGNAL_MASK */
352struct kvm_signal_mask {
353 __u32 len;
354 __u8 sigset[0];
355};
356
357/* for KVM_TPR_ACCESS_REPORTING */
358struct kvm_tpr_access_ctl {
359 __u32 enabled;
360 __u32 flags;
361 __u32 reserved[8];
362};
363
364/* for KVM_SET_VAPIC_ADDR */
365struct kvm_vapic_addr {
366 __u64 vapic_addr;
367};
368
369/* for KVM_SET_MPSTATE */
370
371#define KVM_MP_STATE_RUNNABLE 0
372#define KVM_MP_STATE_UNINITIALIZED 1
373#define KVM_MP_STATE_INIT_RECEIVED 2
374#define KVM_MP_STATE_HALTED 3
375#define KVM_MP_STATE_SIPI_RECEIVED 4
376
377struct kvm_mp_state {
378 __u32 mp_state;
379};
380
381struct kvm_s390_psw {
382 __u64 mask;
383 __u64 addr;
384};
385
386/* valid values for type in kvm_s390_interrupt */
387#define KVM_S390_SIGP_STOP 0xfffe0000u
388#define KVM_S390_PROGRAM_INT 0xfffe0001u
389#define KVM_S390_SIGP_SET_PREFIX 0xfffe0002u
390#define KVM_S390_RESTART 0xfffe0003u
391#define KVM_S390_INT_VIRTIO 0xffff2603u
392#define KVM_S390_INT_SERVICE 0xffff2401u
393#define KVM_S390_INT_EMERGENCY 0xffff1201u
394#define KVM_S390_INT_EXTERNAL_CALL 0xffff1202u
395
396struct kvm_s390_interrupt {
397 __u32 type;
398 __u32 parm;
399 __u64 parm64;
400};
401
402/* for KVM_SET_GUEST_DEBUG */
403
404#define KVM_GUESTDBG_ENABLE 0x00000001
405#define KVM_GUESTDBG_SINGLESTEP 0x00000002
406
407struct kvm_guest_debug {
408 __u32 control;
409 __u32 pad;
410 struct kvm_guest_debug_arch arch;
411};
412
413enum {
414 kvm_ioeventfd_flag_nr_datamatch,
415 kvm_ioeventfd_flag_nr_pio,
416 kvm_ioeventfd_flag_nr_deassign,
417 kvm_ioeventfd_flag_nr_max,
418};
419
420#define KVM_IOEVENTFD_FLAG_DATAMATCH (1 << kvm_ioeventfd_flag_nr_datamatch)
421#define KVM_IOEVENTFD_FLAG_PIO (1 << kvm_ioeventfd_flag_nr_pio)
422#define KVM_IOEVENTFD_FLAG_DEASSIGN (1 << kvm_ioeventfd_flag_nr_deassign)
423
424#define KVM_IOEVENTFD_VALID_FLAG_MASK ((1 << kvm_ioeventfd_flag_nr_max) - 1)
425
426struct kvm_ioeventfd {
427 __u64 datamatch;
428 __u64 addr; /* legal pio/mmio address */
429 __u32 len; /* 1, 2, 4, or 8 bytes */
430 __s32 fd;
431 __u32 flags;
432 __u8 pad[36];
433};
434
435/* for KVM_ENABLE_CAP */
436struct kvm_enable_cap {
437 /* in */
438 __u32 cap;
439 __u32 flags;
440 __u64 args[4];
441 __u8 pad[64];
442};
443
444/* for KVM_PPC_GET_PVINFO */
445struct kvm_ppc_pvinfo {
446 /* out */
447 __u32 flags;
448 __u32 hcall[4];
449 __u8 pad[108];
450};
451
452/* for KVM_PPC_GET_SMMU_INFO */
453#define KVM_PPC_PAGE_SIZES_MAX_SZ 8
454
455struct kvm_ppc_one_page_size {
456 __u32 page_shift; /* Page shift (or 0) */
457 __u32 pte_enc; /* Encoding in the HPTE (>>12) */
458};
459
460struct kvm_ppc_one_seg_page_size {
461 __u32 page_shift; /* Base page shift of segment (or 0) */
462 __u32 slb_enc; /* SLB encoding for BookS */
463 struct kvm_ppc_one_page_size enc[KVM_PPC_PAGE_SIZES_MAX_SZ];
464};
465
466#define KVM_PPC_PAGE_SIZES_REAL 0x00000001
467#define KVM_PPC_1T_SEGMENTS 0x00000002
468
469struct kvm_ppc_smmu_info {
470 __u64 flags;
471 __u32 slb_size;
472 __u32 pad;
473 struct kvm_ppc_one_seg_page_size sps[KVM_PPC_PAGE_SIZES_MAX_SZ];
474};
475
476#define KVMIO 0xAE
477
478/* machine type bits, to be used as argument to KVM_CREATE_VM */
479#define KVM_VM_S390_UCONTROL 1
480
481#define KVM_S390_SIE_PAGE_OFFSET 1
482
483/*
484 * ioctls for /dev/kvm fds:
485 */
486#define KVM_GET_API_VERSION _IO(KVMIO, 0x00)
487#define KVM_CREATE_VM _IO(KVMIO, 0x01) /* returns a VM fd */
488#define KVM_GET_MSR_INDEX_LIST _IOWR(KVMIO, 0x02, struct kvm_msr_list)
489
490#define KVM_S390_ENABLE_SIE _IO(KVMIO, 0x06)
491/*
492 * Check if a kvm extension is available. Argument is extension number,
493 * return is 1 (yes) or 0 (no, sorry).
494 */
495#define KVM_CHECK_EXTENSION _IO(KVMIO, 0x03)
496/*
497 * Get size for mmap(vcpu_fd)
498 */
499#define KVM_GET_VCPU_MMAP_SIZE _IO(KVMIO, 0x04) /* in bytes */
500#define KVM_GET_SUPPORTED_CPUID _IOWR(KVMIO, 0x05, struct kvm_cpuid2)
501#define KVM_TRACE_ENABLE __KVM_DEPRECATED_MAIN_W_0x06
502#define KVM_TRACE_PAUSE __KVM_DEPRECATED_MAIN_0x07
503#define KVM_TRACE_DISABLE __KVM_DEPRECATED_MAIN_0x08
504
505/*
506 * Extension capability list.
507 */
508#define KVM_CAP_IRQCHIP 0
509#define KVM_CAP_HLT 1
510#define KVM_CAP_MMU_SHADOW_CACHE_CONTROL 2
511#define KVM_CAP_USER_MEMORY 3
512#define KVM_CAP_SET_TSS_ADDR 4
513#define KVM_CAP_VAPIC 6
514#define KVM_CAP_EXT_CPUID 7
515#define KVM_CAP_CLOCKSOURCE 8
516#define KVM_CAP_NR_VCPUS 9 /* returns recommended max vcpus per vm */
517#define KVM_CAP_NR_MEMSLOTS 10 /* returns max memory slots per vm */
518#define KVM_CAP_PIT 11
519#define KVM_CAP_NOP_IO_DELAY 12
520#define KVM_CAP_PV_MMU 13
521#define KVM_CAP_MP_STATE 14
522#define KVM_CAP_COALESCED_MMIO 15
523#define KVM_CAP_SYNC_MMU 16 /* Changes to host mmap are reflected in guest */
524#ifdef __KVM_HAVE_DEVICE_ASSIGNMENT
525#define KVM_CAP_DEVICE_ASSIGNMENT 17
526#endif
527#define KVM_CAP_IOMMU 18
528#ifdef __KVM_HAVE_MSI
529#define KVM_CAP_DEVICE_MSI 20
530#endif
531/* Bug in KVM_SET_USER_MEMORY_REGION fixed: */
532#define KVM_CAP_DESTROY_MEMORY_REGION_WORKS 21
533#ifdef __KVM_HAVE_USER_NMI
534#define KVM_CAP_USER_NMI 22
535#endif
536#ifdef __KVM_HAVE_GUEST_DEBUG
537#define KVM_CAP_SET_GUEST_DEBUG 23
538#endif
539#ifdef __KVM_HAVE_PIT
540#define KVM_CAP_REINJECT_CONTROL 24
541#endif
542#ifdef __KVM_HAVE_IOAPIC
543#define KVM_CAP_IRQ_ROUTING 25
544#endif
545#define KVM_CAP_IRQ_INJECT_STATUS 26
546#ifdef __KVM_HAVE_DEVICE_ASSIGNMENT
547#define KVM_CAP_DEVICE_DEASSIGNMENT 27
548#endif
549#ifdef __KVM_HAVE_MSIX
550#define KVM_CAP_DEVICE_MSIX 28
551#endif
552#define KVM_CAP_ASSIGN_DEV_IRQ 29
553/* Another bug in KVM_SET_USER_MEMORY_REGION fixed: */
554#define KVM_CAP_JOIN_MEMORY_REGIONS_WORKS 30
555#ifdef __KVM_HAVE_MCE
556#define KVM_CAP_MCE 31
557#endif
558#define KVM_CAP_IRQFD 32
559#ifdef __KVM_HAVE_PIT
560#define KVM_CAP_PIT2 33
561#endif
562#define KVM_CAP_SET_BOOT_CPU_ID 34
563#ifdef __KVM_HAVE_PIT_STATE2
564#define KVM_CAP_PIT_STATE2 35
565#endif
566#define KVM_CAP_IOEVENTFD 36
567#define KVM_CAP_SET_IDENTITY_MAP_ADDR 37
568#ifdef __KVM_HAVE_XEN_HVM
569#define KVM_CAP_XEN_HVM 38
570#endif
571#define KVM_CAP_ADJUST_CLOCK 39
572#define KVM_CAP_INTERNAL_ERROR_DATA 40
573#ifdef __KVM_HAVE_VCPU_EVENTS
574#define KVM_CAP_VCPU_EVENTS 41
575#endif
576#define KVM_CAP_S390_PSW 42
577#define KVM_CAP_PPC_SEGSTATE 43
578#define KVM_CAP_HYPERV 44
579#define KVM_CAP_HYPERV_VAPIC 45
580#define KVM_CAP_HYPERV_SPIN 46
581#define KVM_CAP_PCI_SEGMENT 47
582#define KVM_CAP_PPC_PAIRED_SINGLES 48
583#define KVM_CAP_INTR_SHADOW 49
584#ifdef __KVM_HAVE_DEBUGREGS
585#define KVM_CAP_DEBUGREGS 50
586#endif
587#define KVM_CAP_X86_ROBUST_SINGLESTEP 51
588#define KVM_CAP_PPC_OSI 52
589#define KVM_CAP_PPC_UNSET_IRQ 53
590#define KVM_CAP_ENABLE_CAP 54
591#ifdef __KVM_HAVE_XSAVE
592#define KVM_CAP_XSAVE 55
593#endif
594#ifdef __KVM_HAVE_XCRS
595#define KVM_CAP_XCRS 56
596#endif
597#define KVM_CAP_PPC_GET_PVINFO 57
598#define KVM_CAP_PPC_IRQ_LEVEL 58
599#define KVM_CAP_ASYNC_PF 59
600#define KVM_CAP_TSC_CONTROL 60
601#define KVM_CAP_GET_TSC_KHZ 61
602#define KVM_CAP_PPC_BOOKE_SREGS 62
603#define KVM_CAP_SPAPR_TCE 63
604#define KVM_CAP_PPC_SMT 64
605#define KVM_CAP_PPC_RMA 65
606#define KVM_CAP_MAX_VCPUS 66 /* returns max vcpus per vm */
607#define KVM_CAP_PPC_HIOR 67
608#define KVM_CAP_PPC_PAPR 68
609#define KVM_CAP_SW_TLB 69
610#define KVM_CAP_ONE_REG 70
611#define KVM_CAP_S390_GMAP 71
612#define KVM_CAP_TSC_DEADLINE_TIMER 72
613#define KVM_CAP_S390_UCONTROL 73
614#define KVM_CAP_SYNC_REGS 74
615#define KVM_CAP_PCI_2_3 75
616#define KVM_CAP_KVMCLOCK_CTRL 76
617#define KVM_CAP_SIGNAL_MSI 77
618#define KVM_CAP_PPC_GET_SMMU_INFO 78
619#define KVM_CAP_S390_COW 79
620
621#ifdef KVM_CAP_IRQ_ROUTING
622
623struct kvm_irq_routing_irqchip {
624 __u32 irqchip;
625 __u32 pin;
626};
627
628struct kvm_irq_routing_msi {
629 __u32 address_lo;
630 __u32 address_hi;
631 __u32 data;
632 __u32 pad;
633};
634
635/* gsi routing entry types */
636#define KVM_IRQ_ROUTING_IRQCHIP 1
637#define KVM_IRQ_ROUTING_MSI 2
638
639struct kvm_irq_routing_entry {
640 __u32 gsi;
641 __u32 type;
642 __u32 flags;
643 __u32 pad;
644 union {
645 struct kvm_irq_routing_irqchip irqchip;
646 struct kvm_irq_routing_msi msi;
647 __u32 pad[8];
648 } u;
649};
650
651struct kvm_irq_routing {
652 __u32 nr;
653 __u32 flags;
654 struct kvm_irq_routing_entry entries[0];
655};
656
657#endif
658
659#ifdef KVM_CAP_MCE
660/* x86 MCE */
661struct kvm_x86_mce {
662 __u64 status;
663 __u64 addr;
664 __u64 misc;
665 __u64 mcg_status;
666 __u8 bank;
667 __u8 pad1[7];
668 __u64 pad2[3];
669};
670#endif
671
672#ifdef KVM_CAP_XEN_HVM
673struct kvm_xen_hvm_config {
674 __u32 flags;
675 __u32 msr;
676 __u64 blob_addr_32;
677 __u64 blob_addr_64;
678 __u8 blob_size_32;
679 __u8 blob_size_64;
680 __u8 pad2[30];
681};
682#endif
683
684#define KVM_IRQFD_FLAG_DEASSIGN (1 << 0)
685
686struct kvm_irqfd {
687 __u32 fd;
688 __u32 gsi;
689 __u32 flags;
690 __u8 pad[20];
691};
692
693struct kvm_clock_data {
694 __u64 clock;
695 __u32 flags;
696 __u32 pad[9];
697};
698
699#define KVM_MMU_FSL_BOOKE_NOHV 0
700#define KVM_MMU_FSL_BOOKE_HV 1
701
702struct kvm_config_tlb {
703 __u64 params;
704 __u64 array;
705 __u32 mmu_type;
706 __u32 array_len;
707};
708
709struct kvm_dirty_tlb {
710 __u64 bitmap;
711 __u32 num_dirty;
712};
713
714/* Available with KVM_CAP_ONE_REG */
715
716#define KVM_REG_ARCH_MASK 0xff00000000000000ULL
717#define KVM_REG_GENERIC 0x0000000000000000ULL
718
719/*
720 * Architecture specific registers are to be defined in arch headers and
721 * ORed with the arch identifier.
722 */
723#define KVM_REG_PPC 0x1000000000000000ULL
724#define KVM_REG_X86 0x2000000000000000ULL
725#define KVM_REG_IA64 0x3000000000000000ULL
726#define KVM_REG_ARM 0x4000000000000000ULL
727#define KVM_REG_S390 0x5000000000000000ULL
728
729#define KVM_REG_SIZE_SHIFT 52
730#define KVM_REG_SIZE_MASK 0x00f0000000000000ULL
731#define KVM_REG_SIZE_U8 0x0000000000000000ULL
732#define KVM_REG_SIZE_U16 0x0010000000000000ULL
733#define KVM_REG_SIZE_U32 0x0020000000000000ULL
734#define KVM_REG_SIZE_U64 0x0030000000000000ULL
735#define KVM_REG_SIZE_U128 0x0040000000000000ULL
736#define KVM_REG_SIZE_U256 0x0050000000000000ULL
737#define KVM_REG_SIZE_U512 0x0060000000000000ULL
738#define KVM_REG_SIZE_U1024 0x0070000000000000ULL
739
740struct kvm_one_reg {
741 __u64 id;
742 __u64 addr;
743};
744
745struct kvm_msi {
746 __u32 address_lo;
747 __u32 address_hi;
748 __u32 data;
749 __u32 flags;
750 __u8 pad[16];
751};
752
753/*
754 * ioctls for VM fds
755 */
756#define KVM_SET_MEMORY_REGION _IOW(KVMIO, 0x40, struct kvm_memory_region)
757/*
758 * KVM_CREATE_VCPU receives as a parameter the vcpu slot, and returns
759 * a vcpu fd.
760 */
761#define KVM_CREATE_VCPU _IO(KVMIO, 0x41)
762#define KVM_GET_DIRTY_LOG _IOW(KVMIO, 0x42, struct kvm_dirty_log)
763/* KVM_SET_MEMORY_ALIAS is obsolete: */
764#define KVM_SET_MEMORY_ALIAS _IOW(KVMIO, 0x43, struct kvm_memory_alias)
765#define KVM_SET_NR_MMU_PAGES _IO(KVMIO, 0x44)
766#define KVM_GET_NR_MMU_PAGES _IO(KVMIO, 0x45)
767#define KVM_SET_USER_MEMORY_REGION _IOW(KVMIO, 0x46, \
768 struct kvm_userspace_memory_region)
769#define KVM_SET_TSS_ADDR _IO(KVMIO, 0x47)
770#define KVM_SET_IDENTITY_MAP_ADDR _IOW(KVMIO, 0x48, __u64)
771
772/* enable ucontrol for s390 */
773struct kvm_s390_ucas_mapping {
774 __u64 user_addr;
775 __u64 vcpu_addr;
776 __u64 length;
777};
778#define KVM_S390_UCAS_MAP _IOW(KVMIO, 0x50, struct kvm_s390_ucas_mapping)
779#define KVM_S390_UCAS_UNMAP _IOW(KVMIO, 0x51, struct kvm_s390_ucas_mapping)
780#define KVM_S390_VCPU_FAULT _IOW(KVMIO, 0x52, unsigned long)
781
782/* Device model IOC */
783#define KVM_CREATE_IRQCHIP _IO(KVMIO, 0x60)
784#define KVM_IRQ_LINE _IOW(KVMIO, 0x61, struct kvm_irq_level)
785#define KVM_GET_IRQCHIP _IOWR(KVMIO, 0x62, struct kvm_irqchip)
786#define KVM_SET_IRQCHIP _IOR(KVMIO, 0x63, struct kvm_irqchip)
787#define KVM_CREATE_PIT _IO(KVMIO, 0x64)
788#define KVM_GET_PIT _IOWR(KVMIO, 0x65, struct kvm_pit_state)
789#define KVM_SET_PIT _IOR(KVMIO, 0x66, struct kvm_pit_state)
790#define KVM_IRQ_LINE_STATUS _IOWR(KVMIO, 0x67, struct kvm_irq_level)
791#define KVM_REGISTER_COALESCED_MMIO \
792 _IOW(KVMIO, 0x67, struct kvm_coalesced_mmio_zone)
793#define KVM_UNREGISTER_COALESCED_MMIO \
794 _IOW(KVMIO, 0x68, struct kvm_coalesced_mmio_zone)
795#define KVM_ASSIGN_PCI_DEVICE _IOR(KVMIO, 0x69, \
796 struct kvm_assigned_pci_dev)
797#define KVM_SET_GSI_ROUTING _IOW(KVMIO, 0x6a, struct kvm_irq_routing)
798/* deprecated, replaced by KVM_ASSIGN_DEV_IRQ */
799#define KVM_ASSIGN_IRQ __KVM_DEPRECATED_VM_R_0x70
800#define KVM_ASSIGN_DEV_IRQ _IOW(KVMIO, 0x70, struct kvm_assigned_irq)
801#define KVM_REINJECT_CONTROL _IO(KVMIO, 0x71)
802#define KVM_DEASSIGN_PCI_DEVICE _IOW(KVMIO, 0x72, \
803 struct kvm_assigned_pci_dev)
804#define KVM_ASSIGN_SET_MSIX_NR _IOW(KVMIO, 0x73, \
805 struct kvm_assigned_msix_nr)
806#define KVM_ASSIGN_SET_MSIX_ENTRY _IOW(KVMIO, 0x74, \
807 struct kvm_assigned_msix_entry)
808#define KVM_DEASSIGN_DEV_IRQ _IOW(KVMIO, 0x75, struct kvm_assigned_irq)
809#define KVM_IRQFD _IOW(KVMIO, 0x76, struct kvm_irqfd)
810#define KVM_CREATE_PIT2 _IOW(KVMIO, 0x77, struct kvm_pit_config)
811#define KVM_SET_BOOT_CPU_ID _IO(KVMIO, 0x78)
812#define KVM_IOEVENTFD _IOW(KVMIO, 0x79, struct kvm_ioeventfd)
813#define KVM_XEN_HVM_CONFIG _IOW(KVMIO, 0x7a, struct kvm_xen_hvm_config)
814#define KVM_SET_CLOCK _IOW(KVMIO, 0x7b, struct kvm_clock_data)
815#define KVM_GET_CLOCK _IOR(KVMIO, 0x7c, struct kvm_clock_data)
816/* Available with KVM_CAP_PIT_STATE2 */
817#define KVM_GET_PIT2 _IOR(KVMIO, 0x9f, struct kvm_pit_state2)
818#define KVM_SET_PIT2 _IOW(KVMIO, 0xa0, struct kvm_pit_state2)
819/* Available with KVM_CAP_PPC_GET_PVINFO */
820#define KVM_PPC_GET_PVINFO _IOW(KVMIO, 0xa1, struct kvm_ppc_pvinfo)
821/* Available with KVM_CAP_TSC_CONTROL */
822#define KVM_SET_TSC_KHZ _IO(KVMIO, 0xa2)
823#define KVM_GET_TSC_KHZ _IO(KVMIO, 0xa3)
824/* Available with KVM_CAP_PCI_2_3 */
825#define KVM_ASSIGN_SET_INTX_MASK _IOW(KVMIO, 0xa4, \
826 struct kvm_assigned_pci_dev)
827/* Available with KVM_CAP_SIGNAL_MSI */
828#define KVM_SIGNAL_MSI _IOW(KVMIO, 0xa5, struct kvm_msi)
829/* Available with KVM_CAP_PPC_GET_SMMU_INFO */
830#define KVM_PPC_GET_SMMU_INFO _IOR(KVMIO, 0xa6, struct kvm_ppc_smmu_info)
831
832/*
833 * ioctls for vcpu fds
834 */
835#define KVM_RUN _IO(KVMIO, 0x80)
836#define KVM_GET_REGS _IOR(KVMIO, 0x81, struct kvm_regs)
837#define KVM_SET_REGS _IOW(KVMIO, 0x82, struct kvm_regs)
838#define KVM_GET_SREGS _IOR(KVMIO, 0x83, struct kvm_sregs)
839#define KVM_SET_SREGS _IOW(KVMIO, 0x84, struct kvm_sregs)
840#define KVM_TRANSLATE _IOWR(KVMIO, 0x85, struct kvm_translation)
841#define KVM_INTERRUPT _IOW(KVMIO, 0x86, struct kvm_interrupt)
842/* KVM_DEBUG_GUEST is no longer supported, use KVM_SET_GUEST_DEBUG instead */
843#define KVM_DEBUG_GUEST __KVM_DEPRECATED_VCPU_W_0x87
844#define KVM_GET_MSRS _IOWR(KVMIO, 0x88, struct kvm_msrs)
845#define KVM_SET_MSRS _IOW(KVMIO, 0x89, struct kvm_msrs)
846#define KVM_SET_CPUID _IOW(KVMIO, 0x8a, struct kvm_cpuid)
847#define KVM_SET_SIGNAL_MASK _IOW(KVMIO, 0x8b, struct kvm_signal_mask)
848#define KVM_GET_FPU _IOR(KVMIO, 0x8c, struct kvm_fpu)
849#define KVM_SET_FPU _IOW(KVMIO, 0x8d, struct kvm_fpu)
850#define KVM_GET_LAPIC _IOR(KVMIO, 0x8e, struct kvm_lapic_state)
851#define KVM_SET_LAPIC _IOW(KVMIO, 0x8f, struct kvm_lapic_state)
852#define KVM_SET_CPUID2 _IOW(KVMIO, 0x90, struct kvm_cpuid2)
853#define KVM_GET_CPUID2 _IOWR(KVMIO, 0x91, struct kvm_cpuid2)
854/* Available with KVM_CAP_VAPIC */
855#define KVM_TPR_ACCESS_REPORTING _IOWR(KVMIO, 0x92, struct kvm_tpr_access_ctl)
856/* Available with KVM_CAP_VAPIC */
857#define KVM_SET_VAPIC_ADDR _IOW(KVMIO, 0x93, struct kvm_vapic_addr)
858/* valid for virtual machine (for floating interrupt)_and_ vcpu */
859#define KVM_S390_INTERRUPT _IOW(KVMIO, 0x94, struct kvm_s390_interrupt)
860/* store status for s390 */
861#define KVM_S390_STORE_STATUS_NOADDR (-1ul)
862#define KVM_S390_STORE_STATUS_PREFIXED (-2ul)
863#define KVM_S390_STORE_STATUS _IOW(KVMIO, 0x95, unsigned long)
864/* initial ipl psw for s390 */
865#define KVM_S390_SET_INITIAL_PSW _IOW(KVMIO, 0x96, struct kvm_s390_psw)
866/* initial reset for s390 */
867#define KVM_S390_INITIAL_RESET _IO(KVMIO, 0x97)
868#define KVM_GET_MP_STATE _IOR(KVMIO, 0x98, struct kvm_mp_state)
869#define KVM_SET_MP_STATE _IOW(KVMIO, 0x99, struct kvm_mp_state)
870/* Available with KVM_CAP_NMI */
871#define KVM_NMI _IO(KVMIO, 0x9a)
872/* Available with KVM_CAP_SET_GUEST_DEBUG */
873#define KVM_SET_GUEST_DEBUG _IOW(KVMIO, 0x9b, struct kvm_guest_debug)
874/* MCE for x86 */
875#define KVM_X86_SETUP_MCE _IOW(KVMIO, 0x9c, __u64)
876#define KVM_X86_GET_MCE_CAP_SUPPORTED _IOR(KVMIO, 0x9d, __u64)
877#define KVM_X86_SET_MCE _IOW(KVMIO, 0x9e, struct kvm_x86_mce)
878/* IA64 stack access */
879#define KVM_IA64_VCPU_GET_STACK _IOR(KVMIO, 0x9a, void *)
880#define KVM_IA64_VCPU_SET_STACK _IOW(KVMIO, 0x9b, void *)
881/* Available with KVM_CAP_VCPU_EVENTS */
882#define KVM_GET_VCPU_EVENTS _IOR(KVMIO, 0x9f, struct kvm_vcpu_events)
883#define KVM_SET_VCPU_EVENTS _IOW(KVMIO, 0xa0, struct kvm_vcpu_events)
884/* Available with KVM_CAP_DEBUGREGS */
885#define KVM_GET_DEBUGREGS _IOR(KVMIO, 0xa1, struct kvm_debugregs)
886#define KVM_SET_DEBUGREGS _IOW(KVMIO, 0xa2, struct kvm_debugregs)
887#define KVM_ENABLE_CAP _IOW(KVMIO, 0xa3, struct kvm_enable_cap)
888/* Available with KVM_CAP_XSAVE */
889#define KVM_GET_XSAVE _IOR(KVMIO, 0xa4, struct kvm_xsave)
890#define KVM_SET_XSAVE _IOW(KVMIO, 0xa5, struct kvm_xsave)
891/* Available with KVM_CAP_XCRS */
892#define KVM_GET_XCRS _IOR(KVMIO, 0xa6, struct kvm_xcrs)
893#define KVM_SET_XCRS _IOW(KVMIO, 0xa7, struct kvm_xcrs)
894#define KVM_CREATE_SPAPR_TCE _IOW(KVMIO, 0xa8, struct kvm_create_spapr_tce)
895/* Available with KVM_CAP_RMA */
896#define KVM_ALLOCATE_RMA _IOR(KVMIO, 0xa9, struct kvm_allocate_rma)
897/* Available with KVM_CAP_SW_TLB */
898#define KVM_DIRTY_TLB _IOW(KVMIO, 0xaa, struct kvm_dirty_tlb)
899/* Available with KVM_CAP_ONE_REG */
900#define KVM_GET_ONE_REG _IOW(KVMIO, 0xab, struct kvm_one_reg)
901#define KVM_SET_ONE_REG _IOW(KVMIO, 0xac, struct kvm_one_reg)
902/* VM is being stopped by host */
903#define KVM_KVMCLOCK_CTRL _IO(KVMIO, 0xad)
904
905#define KVM_DEV_ASSIGN_ENABLE_IOMMU (1 << 0)
906#define KVM_DEV_ASSIGN_PCI_2_3 (1 << 1)
907#define KVM_DEV_ASSIGN_MASK_INTX (1 << 2)
908
909struct kvm_assigned_pci_dev {
910 __u32 assigned_dev_id;
911 __u32 busnr;
912 __u32 devfn;
913 __u32 flags;
914 __u32 segnr;
915 union {
916 __u32 reserved[11];
917 };
918};
919
920#define KVM_DEV_IRQ_HOST_INTX (1 << 0)
921#define KVM_DEV_IRQ_HOST_MSI (1 << 1)
922#define KVM_DEV_IRQ_HOST_MSIX (1 << 2)
923
924#define KVM_DEV_IRQ_GUEST_INTX (1 << 8)
925#define KVM_DEV_IRQ_GUEST_MSI (1 << 9)
926#define KVM_DEV_IRQ_GUEST_MSIX (1 << 10)
927
928#define KVM_DEV_IRQ_HOST_MASK 0x00ff
929#define KVM_DEV_IRQ_GUEST_MASK 0xff00
930
931struct kvm_assigned_irq {
932 __u32 assigned_dev_id;
933 __u32 host_irq; /* ignored (legacy field) */
934 __u32 guest_irq;
935 __u32 flags;
936 union {
937 __u32 reserved[12];
938 };
939};
940
941struct kvm_assigned_msix_nr {
942 __u32 assigned_dev_id;
943 __u16 entry_nr;
944 __u16 padding;
945};
946
947#define KVM_MAX_MSIX_PER_DEV 256
948struct kvm_assigned_msix_entry {
949 __u32 assigned_dev_id;
950 __u32 gsi;
951 __u16 entry; /* The index of entry in the MSI-X table */
952 __u16 padding[3];
953};
954
955#endif /* __LINUX_KVM_H */