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