Dr Andrew Scott G7VAV

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kvm.h
001: #ifndef __LINUX_KVM_H
002: #define __LINUX_KVM_H
003: 
004: /*
005:  * Userspace interface for /dev/kvm - kernel based virtual machine
006:  *
007:  * Note: you must update KVM_API_VERSION if you change this interface.
008:  */
009: 
010: #include <linux/types.h>
011: 
012: #include <linux/ioctl.h>
013: #include <asm/kvm.h>
014: 
015: #define KVM_API_VERSION 12
016: 
017: /* *** Deprecated interfaces *** */
018: 
019: #define KVM_TRC_SHIFT           16
020: 
021: #define KVM_TRC_ENTRYEXIT       (1 << KVM_TRC_SHIFT)
022: #define KVM_TRC_HANDLER         (1 << (KVM_TRC_SHIFT + 1))
023: 
024: #define KVM_TRC_VMENTRY         (KVM_TRC_ENTRYEXIT + 0x01)
025: #define KVM_TRC_VMEXIT          (KVM_TRC_ENTRYEXIT + 0x02)
026: #define KVM_TRC_PAGE_FAULT      (KVM_TRC_HANDLER + 0x01)
027: 
028: #define KVM_TRC_HEAD_SIZE       12
029: #define KVM_TRC_CYCLE_SIZE      8
030: #define KVM_TRC_EXTRA_MAX       7
031: 
032: #define KVM_TRC_INJ_VIRQ         (KVM_TRC_HANDLER + 0x02)
033: #define KVM_TRC_REDELIVER_EVT    (KVM_TRC_HANDLER + 0x03)
034: #define KVM_TRC_PEND_INTR        (KVM_TRC_HANDLER + 0x04)
035: #define KVM_TRC_IO_READ          (KVM_TRC_HANDLER + 0x05)
036: #define KVM_TRC_IO_WRITE         (KVM_TRC_HANDLER + 0x06)
037: #define KVM_TRC_CR_READ          (KVM_TRC_HANDLER + 0x07)
038: #define KVM_TRC_CR_WRITE         (KVM_TRC_HANDLER + 0x08)
039: #define KVM_TRC_DR_READ          (KVM_TRC_HANDLER + 0x09)
040: #define KVM_TRC_DR_WRITE         (KVM_TRC_HANDLER + 0x0A)
041: #define KVM_TRC_MSR_READ         (KVM_TRC_HANDLER + 0x0B)
042: #define KVM_TRC_MSR_WRITE        (KVM_TRC_HANDLER + 0x0C)
043: #define KVM_TRC_CPUID            (KVM_TRC_HANDLER + 0x0D)
044: #define KVM_TRC_INTR             (KVM_TRC_HANDLER + 0x0E)
045: #define KVM_TRC_NMI              (KVM_TRC_HANDLER + 0x0F)
046: #define KVM_TRC_VMMCALL          (KVM_TRC_HANDLER + 0x10)
047: #define KVM_TRC_HLT              (KVM_TRC_HANDLER + 0x11)
048: #define KVM_TRC_CLTS             (KVM_TRC_HANDLER + 0x12)
049: #define KVM_TRC_LMSW             (KVM_TRC_HANDLER + 0x13)
050: #define KVM_TRC_APIC_ACCESS      (KVM_TRC_HANDLER + 0x14)
051: #define KVM_TRC_TDP_FAULT        (KVM_TRC_HANDLER + 0x15)
052: #define KVM_TRC_GTLB_WRITE       (KVM_TRC_HANDLER + 0x16)
053: #define KVM_TRC_STLB_WRITE       (KVM_TRC_HANDLER + 0x17)
054: #define KVM_TRC_STLB_INVAL       (KVM_TRC_HANDLER + 0x18)
055: #define KVM_TRC_PPC_INSTR        (KVM_TRC_HANDLER + 0x19)
056: 
057: struct kvm_user_trace_setup {
058:         __u32 buf_size;
059:         __u32 buf_nr;
060: };
061: 
062: #define __KVM_DEPRECATED_MAIN_W_0x06 \
063:         _IOW(KVMIO, 0x06, struct kvm_user_trace_setup)
064: #define __KVM_DEPRECATED_MAIN_0x07 _IO(KVMIO, 0x07)
065: #define __KVM_DEPRECATED_MAIN_0x08 _IO(KVMIO, 0x08)
066: 
067: #define __KVM_DEPRECATED_VM_R_0x70 _IOR(KVMIO, 0x70, struct kvm_assigned_irq)
068: 
069: struct kvm_breakpoint {
070:         __u32 enabled;
071:         __u32 padding;
072:         __u64 address;
073: };
074: 
075: struct kvm_debug_guest {
076:         __u32 enabled;
077:         __u32 pad;
078:         struct kvm_breakpoint breakpoints[4];
079:         __u32 singlestep;
080: };
081: 
082: #define __KVM_DEPRECATED_VCPU_W_0x87 _IOW(KVMIO, 0x87, struct kvm_debug_guest)
083: 
084: /* *** End of deprecated interfaces *** */
085: 
086: 
087: /* for KVM_CREATE_MEMORY_REGION */
088: struct kvm_memory_region {
089:         __u32 slot;
090:         __u32 flags;
091:         __u64 guest_phys_addr;
092:         __u64 memory_size; /* bytes */
093: };
094: 
095: /* for KVM_SET_USER_MEMORY_REGION */
096: struct kvm_userspace_memory_region {
097:         __u32 slot;
098:         __u32 flags;
099:         __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 */
109: struct 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: 
123: struct 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 */
138: struct 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: 
166: /* For KVM_EXIT_INTERNAL_ERROR */
167: #define KVM_INTERNAL_ERROR_EMULATION 1
168: #define KVM_INTERNAL_ERROR_SIMUL_EX 2
169: 
170: /* for KVM_RUN, returned by mmap(vcpu_fd, offset=0) */
171: struct kvm_run {
172:         /* in */
173:         __u8 request_interrupt_window;
174:         __u8 padding1[7];
175: 
176:         /* out */
177:         __u32 exit_reason;
178:         __u8 ready_for_interrupt_injection;
179:         __u8 if_flag;
180:         __u8 padding2[2];
181: 
182:         /* in (pre_kvm_run), out (post_kvm_run) */
183:         __u64 cr8;
184:         __u64 apic_base;
185: 
186: #ifdef __KVM_S390
187:         /* the processor status word for s390 */
188:         __u64 psw_mask; /* psw upper half */
189:         __u64 psw_addr; /* psw lower half */
190: #endif
191:         union {
192:                 /* KVM_EXIT_UNKNOWN */
193:                 struct {
194:                         __u64 hardware_exit_reason;
195:                 } hw;
196:                 /* KVM_EXIT_FAIL_ENTRY */
197:                 struct {
198:                         __u64 hardware_entry_failure_reason;
199:                 } fail_entry;
200:                 /* KVM_EXIT_EXCEPTION */
201:                 struct {
202:                         __u32 exception;
203:                         __u32 error_code;
204:                 } ex;
205:                 /* KVM_EXIT_IO */
206:                 struct {
207: #define KVM_EXIT_IO_IN  0
208: #define KVM_EXIT_IO_OUT 1
209:                         __u8 direction;
210:                         __u8 size; /* bytes */
211:                         __u16 port;
212:                         __u32 count;
213:                         __u64 data_offset; /* relative to kvm_run start */
214:                 } io;
215:                 struct {
216:                         struct kvm_debug_exit_arch arch;
217:                 } debug;
218:                 /* KVM_EXIT_MMIO */
219:                 struct {
220:                         __u64 phys_addr;
221:                         __u8  data[8];
222:                         __u32 len;
223:                         __u8  is_write;
224:                 } mmio;
225:                 /* KVM_EXIT_HYPERCALL */
226:                 struct {
227:                         __u64 nr;
228:                         __u64 args[6];
229:                         __u64 ret;
230:                         __u32 longmode;
231:                         __u32 pad;
232:                 } hypercall;
233:                 /* KVM_EXIT_TPR_ACCESS */
234:                 struct {
235:                         __u64 rip;
236:                         __u32 is_write;
237:                         __u32 pad;
238:                 } tpr_access;
239:                 /* KVM_EXIT_S390_SIEIC */
240:                 struct {
241:                         __u8 icptcode;
242:                         __u16 ipa;
243:                         __u32 ipb;
244:                 } s390_sieic;
245:                 /* KVM_EXIT_S390_RESET */
246: #define KVM_S390_RESET_POR       1
247: #define KVM_S390_RESET_CLEAR     2
248: #define KVM_S390_RESET_SUBSYSTEM 4
249: #define KVM_S390_RESET_CPU_INIT  8
250: #define KVM_S390_RESET_IPL       16
251:                 __u64 s390_reset_flags;
252:                 /* KVM_EXIT_DCR */
253:                 struct {
254:                         __u32 dcrn;
255:                         __u32 data;
256:                         __u8  is_write;
257:                 } dcr;
258:                 struct {
259:                         __u32 suberror;
260:                         /* Available with KVM_CAP_INTERNAL_ERROR_DATA: */
261:                         __u32 ndata;
262:                         __u64 data[16];
263:                 } internal;
264:                 /* KVM_EXIT_OSI */
265:                 struct {
266:                         __u64 gprs[32];
267:                 } osi;
268:                 struct {
269:                         __u64 nr;
270:                         __u64 ret;
271:                         __u64 args[9];
272:                 } papr_hcall;
273:                 /* Fix the size of the union. */
274:                 char padding[256];
275:         };
276: };
277: 
278: /* for KVM_REGISTER_COALESCED_MMIO / KVM_UNREGISTER_COALESCED_MMIO */
279: 
280: struct kvm_coalesced_mmio_zone {
281:         __u64 addr;
282:         __u32 size;
283:         __u32 pad;
284: };
285: 
286: struct kvm_coalesced_mmio {
287:         __u64 phys_addr;
288:         __u32 len;
289:         __u32 pad;
290:         __u8  data[8];
291: };
292: 
293: struct kvm_coalesced_mmio_ring {
294:         __u32 first, last;
295:         struct kvm_coalesced_mmio coalesced_mmio[0];
296: };
297: 
298: #define KVM_COALESCED_MMIO_MAX \
299:         ((PAGE_SIZE - sizeof(struct kvm_coalesced_mmio_ring)) / \
300:          sizeof(struct kvm_coalesced_mmio))
301: 
302: /* for KVM_TRANSLATE */
303: struct kvm_translation {
304:         /* in */
305:         __u64 linear_address;
306: 
307:         /* out */
308:         __u64 physical_address;
309:         __u8  valid;
310:         __u8  writeable;
311:         __u8  usermode;
312:         __u8  pad[5];
313: };
314: 
315: /* for KVM_INTERRUPT */
316: struct kvm_interrupt {
317:         /* in */
318:         __u32 irq;
319: };
320: 
321: /* for KVM_GET_DIRTY_LOG */
322: struct kvm_dirty_log {
323:         __u32 slot;
324:         __u32 padding1;
325:         union {
326:                 void *dirty_bitmap; /* one bit per page */
327:                 __u64 padding2;
328:         };
329: };
330: 
331: /* for KVM_SET_SIGNAL_MASK */
332: struct kvm_signal_mask {
333:         __u32 len;
334:         __u8  sigset[0];
335: };
336: 
337: /* for KVM_TPR_ACCESS_REPORTING */
338: struct kvm_tpr_access_ctl {
339:         __u32 enabled;
340:         __u32 flags;
341:         __u32 reserved[8];
342: };
343: 
344: /* for KVM_SET_VAPIC_ADDR */
345: struct kvm_vapic_addr {
346:         __u64 vapic_addr;
347: };
348: 
349: /* for KVM_SET_MPSTATE */
350: 
351: #define KVM_MP_STATE_RUNNABLE          0
352: #define KVM_MP_STATE_UNINITIALIZED     1
353: #define KVM_MP_STATE_INIT_RECEIVED     2
354: #define KVM_MP_STATE_HALTED            3
355: #define KVM_MP_STATE_SIPI_RECEIVED     4
356: 
357: struct kvm_mp_state {
358:         __u32 mp_state;
359: };
360: 
361: struct kvm_s390_psw {
362:         __u64 mask;
363:         __u64 addr;
364: };
365: 
366: /* valid values for type in kvm_s390_interrupt */
367: #define KVM_S390_SIGP_STOP              0xfffe0000u
368: #define KVM_S390_PROGRAM_INT            0xfffe0001u
369: #define KVM_S390_SIGP_SET_PREFIX        0xfffe0002u
370: #define KVM_S390_RESTART                0xfffe0003u
371: #define KVM_S390_INT_VIRTIO             0xffff2603u
372: #define KVM_S390_INT_SERVICE            0xffff2401u
373: #define KVM_S390_INT_EMERGENCY          0xffff1201u
374: #define KVM_S390_INT_EXTERNAL_CALL      0xffff1202u
375: 
376: struct kvm_s390_interrupt {
377:         __u32 type;
378:         __u32 parm;
379:         __u64 parm64;
380: };
381: 
382: /* for KVM_SET_GUEST_DEBUG */
383: 
384: #define KVM_GUESTDBG_ENABLE             0x00000001
385: #define KVM_GUESTDBG_SINGLESTEP         0x00000002
386: 
387: struct kvm_guest_debug {
388:         __u32 control;
389:         __u32 pad;
390:         struct kvm_guest_debug_arch arch;
391: };
392: 
393: enum {
394:         kvm_ioeventfd_flag_nr_datamatch,
395:         kvm_ioeventfd_flag_nr_pio,
396:         kvm_ioeventfd_flag_nr_deassign,
397:         kvm_ioeventfd_flag_nr_max,
398: };
399: 
400: #define KVM_IOEVENTFD_FLAG_DATAMATCH (1 << kvm_ioeventfd_flag_nr_datamatch)
401: #define KVM_IOEVENTFD_FLAG_PIO       (1 << kvm_ioeventfd_flag_nr_pio)
402: #define KVM_IOEVENTFD_FLAG_DEASSIGN  (1 << kvm_ioeventfd_flag_nr_deassign)
403: 
404: #define KVM_IOEVENTFD_VALID_FLAG_MASK  ((1 << kvm_ioeventfd_flag_nr_max) - 1)
405: 
406: struct kvm_ioeventfd {
407:         __u64 datamatch;
408:         __u64 addr;        /* legal pio/mmio address */
409:         __u32 len;         /* 1, 2, 4, or 8 bytes    */
410:         __s32 fd;
411:         __u32 flags;
412:         __u8  pad[36];
413: };
414: 
415: /* for KVM_ENABLE_CAP */
416: struct kvm_enable_cap {
417:         /* in */
418:         __u32 cap;
419:         __u32 flags;
420:         __u64 args[4];
421:         __u8  pad[64];
422: };
423: 
424: /* for KVM_PPC_GET_PVINFO */
425: struct kvm_ppc_pvinfo {
426:         /* out */
427:         __u32 flags;
428:         __u32 hcall[4];
429:         __u8  pad[108];
430: };
431: 
432: #define KVMIO 0xAE
433: 
434: /*
435:  * ioctls for /dev/kvm fds:
436:  */
437: #define KVM_GET_API_VERSION       _IO(KVMIO,   0x00)
438: #define KVM_CREATE_VM             _IO(KVMIO,   0x01) /* returns a VM fd */
439: #define KVM_GET_MSR_INDEX_LIST    _IOWR(KVMIO, 0x02, struct kvm_msr_list)
440: 
441: #define KVM_S390_ENABLE_SIE       _IO(KVMIO,   0x06)
442: /*
443:  * Check if a kvm extension is available.  Argument is extension number,
444:  * return is 1 (yes) or 0 (no, sorry).
445:  */
446: #define KVM_CHECK_EXTENSION       _IO(KVMIO,   0x03)
447: /*
448:  * Get size for mmap(vcpu_fd)
449:  */
450: #define KVM_GET_VCPU_MMAP_SIZE    _IO(KVMIO,   0x04) /* in bytes */
451: #define KVM_GET_SUPPORTED_CPUID   _IOWR(KVMIO, 0x05, struct kvm_cpuid2)
452: #define KVM_TRACE_ENABLE          __KVM_DEPRECATED_MAIN_W_0x06
453: #define KVM_TRACE_PAUSE           __KVM_DEPRECATED_MAIN_0x07
454: #define KVM_TRACE_DISABLE         __KVM_DEPRECATED_MAIN_0x08
455: 
456: /*
457:  * Extension capability list.
458:  */
459: #define KVM_CAP_IRQCHIP   0
460: #define KVM_CAP_HLT       1
461: #define KVM_CAP_MMU_SHADOW_CACHE_CONTROL 2
462: #define KVM_CAP_USER_MEMORY 3
463: #define KVM_CAP_SET_TSS_ADDR 4
464: #define KVM_CAP_VAPIC 6
465: #define KVM_CAP_EXT_CPUID 7
466: #define KVM_CAP_CLOCKSOURCE 8
467: #define KVM_CAP_NR_VCPUS 9       /* returns recommended max vcpus per vm */
468: #define KVM_CAP_NR_MEMSLOTS 10   /* returns max memory slots per vm */
469: #define KVM_CAP_PIT 11
470: #define KVM_CAP_NOP_IO_DELAY 12
471: #define KVM_CAP_PV_MMU 13
472: #define KVM_CAP_MP_STATE 14
473: #define KVM_CAP_COALESCED_MMIO 15
474: #define KVM_CAP_SYNC_MMU 16  /* Changes to host mmap are reflected in guest */
475: #ifdef __KVM_HAVE_DEVICE_ASSIGNMENT
476: #define KVM_CAP_DEVICE_ASSIGNMENT 17
477: #endif
478: #define KVM_CAP_IOMMU 18
479: #ifdef __KVM_HAVE_MSI
480: #define KVM_CAP_DEVICE_MSI 20
481: #endif
482: /* Bug in KVM_SET_USER_MEMORY_REGION fixed: */
483: #define KVM_CAP_DESTROY_MEMORY_REGION_WORKS 21
484: #ifdef __KVM_HAVE_USER_NMI
485: #define KVM_CAP_USER_NMI 22
486: #endif
487: #ifdef __KVM_HAVE_GUEST_DEBUG
488: #define KVM_CAP_SET_GUEST_DEBUG 23
489: #endif
490: #ifdef __KVM_HAVE_PIT
491: #define KVM_CAP_REINJECT_CONTROL 24
492: #endif
493: #ifdef __KVM_HAVE_IOAPIC
494: #define KVM_CAP_IRQ_ROUTING 25
495: #endif
496: #define KVM_CAP_IRQ_INJECT_STATUS 26
497: #ifdef __KVM_HAVE_DEVICE_ASSIGNMENT
498: #define KVM_CAP_DEVICE_DEASSIGNMENT 27
499: #endif
500: #ifdef __KVM_HAVE_MSIX
501: #define KVM_CAP_DEVICE_MSIX 28
502: #endif
503: #define KVM_CAP_ASSIGN_DEV_IRQ 29
504: /* Another bug in KVM_SET_USER_MEMORY_REGION fixed: */
505: #define KVM_CAP_JOIN_MEMORY_REGIONS_WORKS 30
506: #ifdef __KVM_HAVE_MCE
507: #define KVM_CAP_MCE 31
508: #endif
509: #define KVM_CAP_IRQFD 32
510: #ifdef __KVM_HAVE_PIT
511: #define KVM_CAP_PIT2 33
512: #endif
513: #define KVM_CAP_SET_BOOT_CPU_ID 34
514: #ifdef __KVM_HAVE_PIT_STATE2
515: #define KVM_CAP_PIT_STATE2 35
516: #endif
517: #define KVM_CAP_IOEVENTFD 36
518: #define KVM_CAP_SET_IDENTITY_MAP_ADDR 37
519: #ifdef __KVM_HAVE_XEN_HVM
520: #define KVM_CAP_XEN_HVM 38
521: #endif
522: #define KVM_CAP_ADJUST_CLOCK 39
523: #define KVM_CAP_INTERNAL_ERROR_DATA 40
524: #ifdef __KVM_HAVE_VCPU_EVENTS
525: #define KVM_CAP_VCPU_EVENTS 41
526: #endif
527: #define KVM_CAP_S390_PSW 42
528: #define KVM_CAP_PPC_SEGSTATE 43
529: #define KVM_CAP_HYPERV 44
530: #define KVM_CAP_HYPERV_VAPIC 45
531: #define KVM_CAP_HYPERV_SPIN 46
532: #define KVM_CAP_PCI_SEGMENT 47
533: #define KVM_CAP_PPC_PAIRED_SINGLES 48
534: #define KVM_CAP_INTR_SHADOW 49
535: #ifdef __KVM_HAVE_DEBUGREGS
536: #define KVM_CAP_DEBUGREGS 50
537: #endif
538: #define KVM_CAP_X86_ROBUST_SINGLESTEP 51
539: #define KVM_CAP_PPC_OSI 52
540: #define KVM_CAP_PPC_UNSET_IRQ 53
541: #define KVM_CAP_ENABLE_CAP 54
542: #ifdef __KVM_HAVE_XSAVE
543: #define KVM_CAP_XSAVE 55
544: #endif
545: #ifdef __KVM_HAVE_XCRS
546: #define KVM_CAP_XCRS 56
547: #endif
548: #define KVM_CAP_PPC_GET_PVINFO 57
549: #define KVM_CAP_PPC_IRQ_LEVEL 58
550: #define KVM_CAP_ASYNC_PF 59
551: #define KVM_CAP_TSC_CONTROL 60
552: #define KVM_CAP_GET_TSC_KHZ 61
553: #define KVM_CAP_PPC_BOOKE_SREGS 62
554: #define KVM_CAP_SPAPR_TCE 63
555: #define KVM_CAP_PPC_SMT 64
556: #define KVM_CAP_PPC_RMA 65
557: #define KVM_CAP_MAX_VCPUS 66       /* returns max vcpus per vm */
558: #define KVM_CAP_PPC_PAPR 68
559: #define KVM_CAP_S390_GMAP 71
560: #define KVM_CAP_TSC_DEADLINE_TIMER 72
561: 
562: #ifdef KVM_CAP_IRQ_ROUTING
563: 
564: struct kvm_irq_routing_irqchip {
565:         __u32 irqchip;
566:         __u32 pin;
567: };
568: 
569: struct kvm_irq_routing_msi {
570:         __u32 address_lo;
571:         __u32 address_hi;
572:         __u32 data;
573:         __u32 pad;
574: };
575: 
576: /* gsi routing entry types */
577: #define KVM_IRQ_ROUTING_IRQCHIP 1
578: #define KVM_IRQ_ROUTING_MSI 2
579: 
580: struct kvm_irq_routing_entry {
581:         __u32 gsi;
582:         __u32 type;
583:         __u32 flags;
584:         __u32 pad;
585:         union {
586:                 struct kvm_irq_routing_irqchip irqchip;
587:                 struct kvm_irq_routing_msi msi;
588:                 __u32 pad[8];
589:         } u;
590: };
591: 
592: struct kvm_irq_routing {
593:         __u32 nr;
594:         __u32 flags;
595:         struct kvm_irq_routing_entry entries[0];
596: };
597: 
598: #endif
599: 
600: #ifdef KVM_CAP_MCE
601: /* x86 MCE */
602: struct kvm_x86_mce {
603:         __u64 status;
604:         __u64 addr;
605:         __u64 misc;
606:         __u64 mcg_status;
607:         __u8 bank;
608:         __u8 pad1[7];
609:         __u64 pad2[3];
610: };
611: #endif
612: 
613: #ifdef KVM_CAP_XEN_HVM
614: struct kvm_xen_hvm_config {
615:         __u32 flags;
616:         __u32 msr;
617:         __u64 blob_addr_32;
618:         __u64 blob_addr_64;
619:         __u8 blob_size_32;
620:         __u8 blob_size_64;
621:         __u8 pad2[30];
622: };
623: #endif
624: 
625: #define KVM_IRQFD_FLAG_DEASSIGN (1 << 0)
626: 
627: struct kvm_irqfd {
628:         __u32 fd;
629:         __u32 gsi;
630:         __u32 flags;
631:         __u8  pad[20];
632: };
633: 
634: struct kvm_clock_data {
635:         __u64 clock;
636:         __u32 flags;
637:         __u32 pad[9];
638: };
639: 
640: /*
641:  * ioctls for VM fds
642:  */
643: #define KVM_SET_MEMORY_REGION     _IOW(KVMIO,  0x40, struct kvm_memory_region)
644: /*
645:  * KVM_CREATE_VCPU receives as a parameter the vcpu slot, and returns
646:  * a vcpu fd.
647:  */
648: #define KVM_CREATE_VCPU           _IO(KVMIO,   0x41)
649: #define KVM_GET_DIRTY_LOG         _IOW(KVMIO,  0x42, struct kvm_dirty_log)
650: /* KVM_SET_MEMORY_ALIAS is obsolete: */
651: #define KVM_SET_MEMORY_ALIAS      _IOW(KVMIO,  0x43, struct kvm_memory_alias)
652: #define KVM_SET_NR_MMU_PAGES      _IO(KVMIO,   0x44)
653: #define KVM_GET_NR_MMU_PAGES      _IO(KVMIO,   0x45)
654: #define KVM_SET_USER_MEMORY_REGION _IOW(KVMIO, 0x46, \
655:                                         struct kvm_userspace_memory_region)
656: #define KVM_SET_TSS_ADDR          _IO(KVMIO,   0x47)
657: #define KVM_SET_IDENTITY_MAP_ADDR _IOW(KVMIO,  0x48, __u64)
658: /* Device model IOC */
659: #define KVM_CREATE_IRQCHIP        _IO(KVMIO,   0x60)
660: #define KVM_IRQ_LINE              _IOW(KVMIO,  0x61, struct kvm_irq_level)
661: #define KVM_GET_IRQCHIP           _IOWR(KVMIO, 0x62, struct kvm_irqchip)
662: #define KVM_SET_IRQCHIP           _IOR(KVMIO,  0x63, struct kvm_irqchip)
663: #define KVM_CREATE_PIT            _IO(KVMIO,   0x64)
664: #define KVM_GET_PIT               _IOWR(KVMIO, 0x65, struct kvm_pit_state)
665: #define KVM_SET_PIT               _IOR(KVMIO,  0x66, struct kvm_pit_state)
666: #define KVM_IRQ_LINE_STATUS       _IOWR(KVMIO, 0x67, struct kvm_irq_level)
667: #define KVM_REGISTER_COALESCED_MMIO \
668:                         _IOW(KVMIO,  0x67, struct kvm_coalesced_mmio_zone)
669: #define KVM_UNREGISTER_COALESCED_MMIO \
670:                         _IOW(KVMIO,  0x68, struct kvm_coalesced_mmio_zone)
671: #define KVM_ASSIGN_PCI_DEVICE     _IOR(KVMIO,  0x69, \
672:                                        struct kvm_assigned_pci_dev)
673: #define KVM_SET_GSI_ROUTING       _IOW(KVMIO,  0x6a, struct kvm_irq_routing)
674: /* deprecated, replaced by KVM_ASSIGN_DEV_IRQ */
675: #define KVM_ASSIGN_IRQ            __KVM_DEPRECATED_VM_R_0x70
676: #define KVM_ASSIGN_DEV_IRQ        _IOW(KVMIO,  0x70, struct kvm_assigned_irq)
677: #define KVM_REINJECT_CONTROL      _IO(KVMIO,   0x71)
678: #define KVM_DEASSIGN_PCI_DEVICE   _IOW(KVMIO,  0x72, \
679:                                        struct kvm_assigned_pci_dev)
680: #define KVM_ASSIGN_SET_MSIX_NR    _IOW(KVMIO,  0x73, \
681:                                        struct kvm_assigned_msix_nr)
682: #define KVM_ASSIGN_SET_MSIX_ENTRY _IOW(KVMIO,  0x74, \
683:                                        struct kvm_assigned_msix_entry)
684: #define KVM_DEASSIGN_DEV_IRQ      _IOW(KVMIO,  0x75, struct kvm_assigned_irq)
685: #define KVM_IRQFD                 _IOW(KVMIO,  0x76, struct kvm_irqfd)
686: #define KVM_CREATE_PIT2           _IOW(KVMIO,  0x77, struct kvm_pit_config)
687: #define KVM_SET_BOOT_CPU_ID       _IO(KVMIO,   0x78)
688: #define KVM_IOEVENTFD             _IOW(KVMIO,  0x79, struct kvm_ioeventfd)
689: #define KVM_XEN_HVM_CONFIG        _IOW(KVMIO,  0x7a, struct kvm_xen_hvm_config)
690: #define KVM_SET_CLOCK             _IOW(KVMIO,  0x7b, struct kvm_clock_data)
691: #define KVM_GET_CLOCK             _IOR(KVMIO,  0x7c, struct kvm_clock_data)
692: /* Available with KVM_CAP_PIT_STATE2 */
693: #define KVM_GET_PIT2              _IOR(KVMIO,  0x9f, struct kvm_pit_state2)
694: #define KVM_SET_PIT2              _IOW(KVMIO,  0xa0, struct kvm_pit_state2)
695: /* Available with KVM_CAP_PPC_GET_PVINFO */
696: #define KVM_PPC_GET_PVINFO        _IOW(KVMIO,  0xa1, struct kvm_ppc_pvinfo)
697: /* Available with KVM_CAP_TSC_CONTROL */
698: #define KVM_SET_TSC_KHZ           _IO(KVMIO,  0xa2)
699: #define KVM_GET_TSC_KHZ           _IO(KVMIO,  0xa3)
700: 
701: /*
702:  * ioctls for vcpu fds
703:  */
704: #define KVM_RUN                   _IO(KVMIO,   0x80)
705: #define KVM_GET_REGS              _IOR(KVMIO,  0x81, struct kvm_regs)
706: #define KVM_SET_REGS              _IOW(KVMIO,  0x82, struct kvm_regs)
707: #define KVM_GET_SREGS             _IOR(KVMIO,  0x83, struct kvm_sregs)
708: #define KVM_SET_SREGS             _IOW(KVMIO,  0x84, struct kvm_sregs)
709: #define KVM_TRANSLATE             _IOWR(KVMIO, 0x85, struct kvm_translation)
710: #define KVM_INTERRUPT             _IOW(KVMIO,  0x86, struct kvm_interrupt)
711: /* KVM_DEBUG_GUEST is no longer supported, use KVM_SET_GUEST_DEBUG instead */
712: #define KVM_DEBUG_GUEST           __KVM_DEPRECATED_VCPU_W_0x87
713: #define KVM_GET_MSRS              _IOWR(KVMIO, 0x88, struct kvm_msrs)
714: #define KVM_SET_MSRS              _IOW(KVMIO,  0x89, struct kvm_msrs)
715: #define KVM_SET_CPUID             _IOW(KVMIO,  0x8a, struct kvm_cpuid)
716: #define KVM_SET_SIGNAL_MASK       _IOW(KVMIO,  0x8b, struct kvm_signal_mask)
717: #define KVM_GET_FPU               _IOR(KVMIO,  0x8c, struct kvm_fpu)
718: #define KVM_SET_FPU               _IOW(KVMIO,  0x8d, struct kvm_fpu)
719: #define KVM_GET_LAPIC             _IOR(KVMIO,  0x8e, struct kvm_lapic_state)
720: #define KVM_SET_LAPIC             _IOW(KVMIO,  0x8f, struct kvm_lapic_state)
721: #define KVM_SET_CPUID2            _IOW(KVMIO,  0x90, struct kvm_cpuid2)
722: #define KVM_GET_CPUID2            _IOWR(KVMIO, 0x91, struct kvm_cpuid2)
723: /* Available with KVM_CAP_VAPIC */
724: #define KVM_TPR_ACCESS_REPORTING  _IOWR(KVMIO, 0x92, struct kvm_tpr_access_ctl)
725: /* Available with KVM_CAP_VAPIC */
726: #define KVM_SET_VAPIC_ADDR        _IOW(KVMIO,  0x93, struct kvm_vapic_addr)
727: /* valid for virtual machine (for floating interrupt)_and_ vcpu */
728: #define KVM_S390_INTERRUPT        _IOW(KVMIO,  0x94, struct kvm_s390_interrupt)
729: /* store status for s390 */
730: #define KVM_S390_STORE_STATUS_NOADDR    (-1ul)
731: #define KVM_S390_STORE_STATUS_PREFIXED  (-2ul)
732: #define KVM_S390_STORE_STATUS     _IOW(KVMIO,  0x95, unsigned long)
733: /* initial ipl psw for s390 */
734: #define KVM_S390_SET_INITIAL_PSW  _IOW(KVMIO,  0x96, struct kvm_s390_psw)
735: /* initial reset for s390 */
736: #define KVM_S390_INITIAL_RESET    _IO(KVMIO,   0x97)
737: #define KVM_GET_MP_STATE          _IOR(KVMIO,  0x98, struct kvm_mp_state)
738: #define KVM_SET_MP_STATE          _IOW(KVMIO,  0x99, struct kvm_mp_state)
739: /* Available with KVM_CAP_NMI */
740: #define KVM_NMI                   _IO(KVMIO,   0x9a)
741: /* Available with KVM_CAP_SET_GUEST_DEBUG */
742: #define KVM_SET_GUEST_DEBUG       _IOW(KVMIO,  0x9b, struct kvm_guest_debug)
743: /* MCE for x86 */
744: #define KVM_X86_SETUP_MCE         _IOW(KVMIO,  0x9c, __u64)
745: #define KVM_X86_GET_MCE_CAP_SUPPORTED _IOR(KVMIO,  0x9d, __u64)
746: #define KVM_X86_SET_MCE           _IOW(KVMIO,  0x9e, struct kvm_x86_mce)
747: /* IA64 stack access */
748: #define KVM_IA64_VCPU_GET_STACK   _IOR(KVMIO,  0x9a, void *)
749: #define KVM_IA64_VCPU_SET_STACK   _IOW(KVMIO,  0x9b, void *)
750: /* Available with KVM_CAP_VCPU_EVENTS */
751: #define KVM_GET_VCPU_EVENTS       _IOR(KVMIO,  0x9f, struct kvm_vcpu_events)
752: #define KVM_SET_VCPU_EVENTS       _IOW(KVMIO,  0xa0, struct kvm_vcpu_events)
753: /* Available with KVM_CAP_DEBUGREGS */
754: #define KVM_GET_DEBUGREGS         _IOR(KVMIO,  0xa1, struct kvm_debugregs)
755: #define KVM_SET_DEBUGREGS         _IOW(KVMIO,  0xa2, struct kvm_debugregs)
756: #define KVM_ENABLE_CAP            _IOW(KVMIO,  0xa3, struct kvm_enable_cap)
757: /* Available with KVM_CAP_XSAVE */
758: #define KVM_GET_XSAVE             _IOR(KVMIO,  0xa4, struct kvm_xsave)
759: #define KVM_SET_XSAVE             _IOW(KVMIO,  0xa5, struct kvm_xsave)
760: /* Available with KVM_CAP_XCRS */
761: #define KVM_GET_XCRS              _IOR(KVMIO,  0xa6, struct kvm_xcrs)
762: #define KVM_SET_XCRS              _IOW(KVMIO,  0xa7, struct kvm_xcrs)
763: #define KVM_CREATE_SPAPR_TCE      _IOW(KVMIO,  0xa8, struct kvm_create_spapr_tce)
764: /* Available with KVM_CAP_RMA */
765: #define KVM_ALLOCATE_RMA          _IOR(KVMIO,  0xa9, struct kvm_allocate_rma)
766: 
767: #define KVM_DEV_ASSIGN_ENABLE_IOMMU     (1 << 0)
768: 
769: struct kvm_assigned_pci_dev {
770:         __u32 assigned_dev_id;
771:         __u32 busnr;
772:         __u32 devfn;
773:         __u32 flags;
774:         __u32 segnr;
775:         union {
776:                 __u32 reserved[11];
777:         };
778: };
779: 
780: #define KVM_DEV_IRQ_HOST_INTX    (1 << 0)
781: #define KVM_DEV_IRQ_HOST_MSI     (1 << 1)
782: #define KVM_DEV_IRQ_HOST_MSIX    (1 << 2)
783: 
784: #define KVM_DEV_IRQ_GUEST_INTX   (1 << 8)
785: #define KVM_DEV_IRQ_GUEST_MSI    (1 << 9)
786: #define KVM_DEV_IRQ_GUEST_MSIX   (1 << 10)
787: 
788: #define KVM_DEV_IRQ_HOST_MASK    0x00ff
789: #define KVM_DEV_IRQ_GUEST_MASK   0xff00
790: 
791: struct kvm_assigned_irq {
792:         __u32 assigned_dev_id;
793:         __u32 host_irq; /* ignored (legacy field) */
794:         __u32 guest_irq;
795:         __u32 flags;
796:         union {
797:                 __u32 reserved[12];
798:         };
799: };
800: 
801: struct kvm_assigned_msix_nr {
802:         __u32 assigned_dev_id;
803:         __u16 entry_nr;
804:         __u16 padding;
805: };
806: 
807: #define KVM_MAX_MSIX_PER_DEV            256
808: struct kvm_assigned_msix_entry {
809:         __u32 assigned_dev_id;
810:         __u32 gsi;
811:         __u16 entry; /* The index of entry in the MSI-X table */
812:         __u16 padding[3];
813: };
814: 
815: #endif /* __LINUX_KVM_H */
816: 


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Andrew Scott
http://www.andrew-scott.co.uk/