xref: /openbmc/qemu/linux-headers/linux/kvm.h (revision ce34cf72)
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 	 */
119 	union {
120 		__u32 irq;
121 		__s32 status;
122 	};
123 	__u32 level;
124 };
125 
126 
127 struct 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 */
142 struct 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 
171 /* For KVM_EXIT_INTERNAL_ERROR */
172 #define KVM_INTERNAL_ERROR_EMULATION 1
173 #define KVM_INTERNAL_ERROR_SIMUL_EX 2
174 
175 /* for KVM_RUN, returned by mmap(vcpu_fd, offset=0) */
176 struct kvm_run {
177 	/* in */
178 	__u8 request_interrupt_window;
179 	__u8 padding1[7];
180 
181 	/* out */
182 	__u32 exit_reason;
183 	__u8 ready_for_interrupt_injection;
184 	__u8 if_flag;
185 	__u8 padding2[2];
186 
187 	/* in (pre_kvm_run), out (post_kvm_run) */
188 	__u64 cr8;
189 	__u64 apic_base;
190 
191 #ifdef __KVM_S390
192 	/* the processor status word for s390 */
193 	__u64 psw_mask; /* psw upper half */
194 	__u64 psw_addr; /* psw lower half */
195 #endif
196 	union {
197 		/* KVM_EXIT_UNKNOWN */
198 		struct {
199 			__u64 hardware_exit_reason;
200 		} hw;
201 		/* KVM_EXIT_FAIL_ENTRY */
202 		struct {
203 			__u64 hardware_entry_failure_reason;
204 		} fail_entry;
205 		/* KVM_EXIT_EXCEPTION */
206 		struct {
207 			__u32 exception;
208 			__u32 error_code;
209 		} ex;
210 		/* KVM_EXIT_IO */
211 		struct {
212 #define KVM_EXIT_IO_IN  0
213 #define KVM_EXIT_IO_OUT 1
214 			__u8 direction;
215 			__u8 size; /* bytes */
216 			__u16 port;
217 			__u32 count;
218 			__u64 data_offset; /* relative to kvm_run start */
219 		} io;
220 		struct {
221 			struct kvm_debug_exit_arch arch;
222 		} debug;
223 		/* KVM_EXIT_MMIO */
224 		struct {
225 			__u64 phys_addr;
226 			__u8  data[8];
227 			__u32 len;
228 			__u8  is_write;
229 		} mmio;
230 		/* KVM_EXIT_HYPERCALL */
231 		struct {
232 			__u64 nr;
233 			__u64 args[6];
234 			__u64 ret;
235 			__u32 longmode;
236 			__u32 pad;
237 		} hypercall;
238 		/* KVM_EXIT_TPR_ACCESS */
239 		struct {
240 			__u64 rip;
241 			__u32 is_write;
242 			__u32 pad;
243 		} tpr_access;
244 		/* KVM_EXIT_S390_SIEIC */
245 		struct {
246 			__u8 icptcode;
247 			__u16 ipa;
248 			__u32 ipb;
249 		} s390_sieic;
250 		/* KVM_EXIT_S390_RESET */
251 #define KVM_S390_RESET_POR       1
252 #define KVM_S390_RESET_CLEAR     2
253 #define KVM_S390_RESET_SUBSYSTEM 4
254 #define KVM_S390_RESET_CPU_INIT  8
255 #define KVM_S390_RESET_IPL       16
256 		__u64 s390_reset_flags;
257 		/* KVM_EXIT_S390_UCONTROL */
258 		struct {
259 			__u64 trans_exc_code;
260 			__u32 pgm_code;
261 		} s390_ucontrol;
262 		/* KVM_EXIT_DCR */
263 		struct {
264 			__u32 dcrn;
265 			__u32 data;
266 			__u8  is_write;
267 		} dcr;
268 		struct {
269 			__u32 suberror;
270 			/* Available with KVM_CAP_INTERNAL_ERROR_DATA: */
271 			__u32 ndata;
272 			__u64 data[16];
273 		} internal;
274 		/* KVM_EXIT_OSI */
275 		struct {
276 			__u64 gprs[32];
277 		} osi;
278 		struct {
279 			__u64 nr;
280 			__u64 ret;
281 			__u64 args[9];
282 		} papr_hcall;
283 		/* Fix the size of the union. */
284 		char padding[256];
285 	};
286 
287 	/*
288 	 * shared registers between kvm and userspace.
289 	 * kvm_valid_regs specifies the register classes set by the host
290 	 * kvm_dirty_regs specified the register classes dirtied by userspace
291 	 * struct kvm_sync_regs is architecture specific, as well as the
292 	 * bits for kvm_valid_regs and kvm_dirty_regs
293 	 */
294 	__u64 kvm_valid_regs;
295 	__u64 kvm_dirty_regs;
296 	union {
297 		struct kvm_sync_regs regs;
298 		char padding[1024];
299 	} s;
300 };
301 
302 /* for KVM_REGISTER_COALESCED_MMIO / KVM_UNREGISTER_COALESCED_MMIO */
303 
304 struct kvm_coalesced_mmio_zone {
305 	__u64 addr;
306 	__u32 size;
307 	__u32 pad;
308 };
309 
310 struct kvm_coalesced_mmio {
311 	__u64 phys_addr;
312 	__u32 len;
313 	__u32 pad;
314 	__u8  data[8];
315 };
316 
317 struct kvm_coalesced_mmio_ring {
318 	__u32 first, last;
319 	struct kvm_coalesced_mmio coalesced_mmio[0];
320 };
321 
322 #define KVM_COALESCED_MMIO_MAX \
323 	((PAGE_SIZE - sizeof(struct kvm_coalesced_mmio_ring)) / \
324 	 sizeof(struct kvm_coalesced_mmio))
325 
326 /* for KVM_TRANSLATE */
327 struct kvm_translation {
328 	/* in */
329 	__u64 linear_address;
330 
331 	/* out */
332 	__u64 physical_address;
333 	__u8  valid;
334 	__u8  writeable;
335 	__u8  usermode;
336 	__u8  pad[5];
337 };
338 
339 /* for KVM_INTERRUPT */
340 struct kvm_interrupt {
341 	/* in */
342 	__u32 irq;
343 };
344 
345 /* for KVM_GET_DIRTY_LOG */
346 struct kvm_dirty_log {
347 	__u32 slot;
348 	__u32 padding1;
349 	union {
350 		void *dirty_bitmap; /* one bit per page */
351 		__u64 padding2;
352 	};
353 };
354 
355 /* for KVM_SET_SIGNAL_MASK */
356 struct kvm_signal_mask {
357 	__u32 len;
358 	__u8  sigset[0];
359 };
360 
361 /* for KVM_TPR_ACCESS_REPORTING */
362 struct kvm_tpr_access_ctl {
363 	__u32 enabled;
364 	__u32 flags;
365 	__u32 reserved[8];
366 };
367 
368 /* for KVM_SET_VAPIC_ADDR */
369 struct kvm_vapic_addr {
370 	__u64 vapic_addr;
371 };
372 
373 /* for KVM_SET_MPSTATE */
374 
375 #define KVM_MP_STATE_RUNNABLE          0
376 #define KVM_MP_STATE_UNINITIALIZED     1
377 #define KVM_MP_STATE_INIT_RECEIVED     2
378 #define KVM_MP_STATE_HALTED            3
379 #define KVM_MP_STATE_SIPI_RECEIVED     4
380 
381 struct kvm_mp_state {
382 	__u32 mp_state;
383 };
384 
385 struct kvm_s390_psw {
386 	__u64 mask;
387 	__u64 addr;
388 };
389 
390 /* valid values for type in kvm_s390_interrupt */
391 #define KVM_S390_SIGP_STOP		0xfffe0000u
392 #define KVM_S390_PROGRAM_INT		0xfffe0001u
393 #define KVM_S390_SIGP_SET_PREFIX	0xfffe0002u
394 #define KVM_S390_RESTART		0xfffe0003u
395 #define KVM_S390_INT_VIRTIO		0xffff2603u
396 #define KVM_S390_INT_SERVICE		0xffff2401u
397 #define KVM_S390_INT_EMERGENCY		0xffff1201u
398 #define KVM_S390_INT_EXTERNAL_CALL	0xffff1202u
399 
400 struct kvm_s390_interrupt {
401 	__u32 type;
402 	__u32 parm;
403 	__u64 parm64;
404 };
405 
406 /* for KVM_SET_GUEST_DEBUG */
407 
408 #define KVM_GUESTDBG_ENABLE		0x00000001
409 #define KVM_GUESTDBG_SINGLESTEP		0x00000002
410 
411 struct kvm_guest_debug {
412 	__u32 control;
413 	__u32 pad;
414 	struct kvm_guest_debug_arch arch;
415 };
416 
417 enum {
418 	kvm_ioeventfd_flag_nr_datamatch,
419 	kvm_ioeventfd_flag_nr_pio,
420 	kvm_ioeventfd_flag_nr_deassign,
421 	kvm_ioeventfd_flag_nr_max,
422 };
423 
424 #define KVM_IOEVENTFD_FLAG_DATAMATCH (1 << kvm_ioeventfd_flag_nr_datamatch)
425 #define KVM_IOEVENTFD_FLAG_PIO       (1 << kvm_ioeventfd_flag_nr_pio)
426 #define KVM_IOEVENTFD_FLAG_DEASSIGN  (1 << kvm_ioeventfd_flag_nr_deassign)
427 
428 #define KVM_IOEVENTFD_VALID_FLAG_MASK  ((1 << kvm_ioeventfd_flag_nr_max) - 1)
429 
430 struct kvm_ioeventfd {
431 	__u64 datamatch;
432 	__u64 addr;        /* legal pio/mmio address */
433 	__u32 len;         /* 1, 2, 4, or 8 bytes    */
434 	__s32 fd;
435 	__u32 flags;
436 	__u8  pad[36];
437 };
438 
439 /* for KVM_ENABLE_CAP */
440 struct kvm_enable_cap {
441 	/* in */
442 	__u32 cap;
443 	__u32 flags;
444 	__u64 args[4];
445 	__u8  pad[64];
446 };
447 
448 /* for KVM_PPC_GET_PVINFO */
449 struct kvm_ppc_pvinfo {
450 	/* out */
451 	__u32 flags;
452 	__u32 hcall[4];
453 	__u8  pad[108];
454 };
455 
456 /* for KVM_PPC_GET_SMMU_INFO */
457 #define KVM_PPC_PAGE_SIZES_MAX_SZ	8
458 
459 struct kvm_ppc_one_page_size {
460 	__u32 page_shift;	/* Page shift (or 0) */
461 	__u32 pte_enc;		/* Encoding in the HPTE (>>12) */
462 };
463 
464 struct kvm_ppc_one_seg_page_size {
465 	__u32 page_shift;	/* Base page shift of segment (or 0) */
466 	__u32 slb_enc;		/* SLB encoding for BookS */
467 	struct kvm_ppc_one_page_size enc[KVM_PPC_PAGE_SIZES_MAX_SZ];
468 };
469 
470 #define KVM_PPC_PAGE_SIZES_REAL		0x00000001
471 #define KVM_PPC_1T_SEGMENTS		0x00000002
472 
473 struct kvm_ppc_smmu_info {
474 	__u64 flags;
475 	__u32 slb_size;
476 	__u32 pad;
477 	struct kvm_ppc_one_seg_page_size sps[KVM_PPC_PAGE_SIZES_MAX_SZ];
478 };
479 
480 #define KVMIO 0xAE
481 
482 /* machine type bits, to be used as argument to KVM_CREATE_VM */
483 #define KVM_VM_S390_UCONTROL	1
484 
485 #define KVM_S390_SIE_PAGE_OFFSET 1
486 
487 /*
488  * ioctls for /dev/kvm fds:
489  */
490 #define KVM_GET_API_VERSION       _IO(KVMIO,   0x00)
491 #define KVM_CREATE_VM             _IO(KVMIO,   0x01) /* returns a VM fd */
492 #define KVM_GET_MSR_INDEX_LIST    _IOWR(KVMIO, 0x02, struct kvm_msr_list)
493 
494 #define KVM_S390_ENABLE_SIE       _IO(KVMIO,   0x06)
495 /*
496  * Check if a kvm extension is available.  Argument is extension number,
497  * return is 1 (yes) or 0 (no, sorry).
498  */
499 #define KVM_CHECK_EXTENSION       _IO(KVMIO,   0x03)
500 /*
501  * Get size for mmap(vcpu_fd)
502  */
503 #define KVM_GET_VCPU_MMAP_SIZE    _IO(KVMIO,   0x04) /* in bytes */
504 #define KVM_GET_SUPPORTED_CPUID   _IOWR(KVMIO, 0x05, struct kvm_cpuid2)
505 #define KVM_TRACE_ENABLE          __KVM_DEPRECATED_MAIN_W_0x06
506 #define KVM_TRACE_PAUSE           __KVM_DEPRECATED_MAIN_0x07
507 #define KVM_TRACE_DISABLE         __KVM_DEPRECATED_MAIN_0x08
508 
509 /*
510  * Extension capability list.
511  */
512 #define KVM_CAP_IRQCHIP	  0
513 #define KVM_CAP_HLT	  1
514 #define KVM_CAP_MMU_SHADOW_CACHE_CONTROL 2
515 #define KVM_CAP_USER_MEMORY 3
516 #define KVM_CAP_SET_TSS_ADDR 4
517 #define KVM_CAP_VAPIC 6
518 #define KVM_CAP_EXT_CPUID 7
519 #define KVM_CAP_CLOCKSOURCE 8
520 #define KVM_CAP_NR_VCPUS 9       /* returns recommended max vcpus per vm */
521 #define KVM_CAP_NR_MEMSLOTS 10   /* returns max memory slots per vm */
522 #define KVM_CAP_PIT 11
523 #define KVM_CAP_NOP_IO_DELAY 12
524 #define KVM_CAP_PV_MMU 13
525 #define KVM_CAP_MP_STATE 14
526 #define KVM_CAP_COALESCED_MMIO 15
527 #define KVM_CAP_SYNC_MMU 16  /* Changes to host mmap are reflected in guest */
528 #ifdef __KVM_HAVE_DEVICE_ASSIGNMENT
529 #define KVM_CAP_DEVICE_ASSIGNMENT 17
530 #endif
531 #define KVM_CAP_IOMMU 18
532 #ifdef __KVM_HAVE_MSI
533 #define KVM_CAP_DEVICE_MSI 20
534 #endif
535 /* Bug in KVM_SET_USER_MEMORY_REGION fixed: */
536 #define KVM_CAP_DESTROY_MEMORY_REGION_WORKS 21
537 #ifdef __KVM_HAVE_USER_NMI
538 #define KVM_CAP_USER_NMI 22
539 #endif
540 #ifdef __KVM_HAVE_GUEST_DEBUG
541 #define KVM_CAP_SET_GUEST_DEBUG 23
542 #endif
543 #ifdef __KVM_HAVE_PIT
544 #define KVM_CAP_REINJECT_CONTROL 24
545 #endif
546 #ifdef __KVM_HAVE_IOAPIC
547 #define KVM_CAP_IRQ_ROUTING 25
548 #endif
549 #define KVM_CAP_IRQ_INJECT_STATUS 26
550 #ifdef __KVM_HAVE_DEVICE_ASSIGNMENT
551 #define KVM_CAP_DEVICE_DEASSIGNMENT 27
552 #endif
553 #ifdef __KVM_HAVE_MSIX
554 #define KVM_CAP_DEVICE_MSIX 28
555 #endif
556 #define KVM_CAP_ASSIGN_DEV_IRQ 29
557 /* Another bug in KVM_SET_USER_MEMORY_REGION fixed: */
558 #define KVM_CAP_JOIN_MEMORY_REGIONS_WORKS 30
559 #ifdef __KVM_HAVE_MCE
560 #define KVM_CAP_MCE 31
561 #endif
562 #define KVM_CAP_IRQFD 32
563 #ifdef __KVM_HAVE_PIT
564 #define KVM_CAP_PIT2 33
565 #endif
566 #define KVM_CAP_SET_BOOT_CPU_ID 34
567 #ifdef __KVM_HAVE_PIT_STATE2
568 #define KVM_CAP_PIT_STATE2 35
569 #endif
570 #define KVM_CAP_IOEVENTFD 36
571 #define KVM_CAP_SET_IDENTITY_MAP_ADDR 37
572 #ifdef __KVM_HAVE_XEN_HVM
573 #define KVM_CAP_XEN_HVM 38
574 #endif
575 #define KVM_CAP_ADJUST_CLOCK 39
576 #define KVM_CAP_INTERNAL_ERROR_DATA 40
577 #ifdef __KVM_HAVE_VCPU_EVENTS
578 #define KVM_CAP_VCPU_EVENTS 41
579 #endif
580 #define KVM_CAP_S390_PSW 42
581 #define KVM_CAP_PPC_SEGSTATE 43
582 #define KVM_CAP_HYPERV 44
583 #define KVM_CAP_HYPERV_VAPIC 45
584 #define KVM_CAP_HYPERV_SPIN 46
585 #define KVM_CAP_PCI_SEGMENT 47
586 #define KVM_CAP_PPC_PAIRED_SINGLES 48
587 #define KVM_CAP_INTR_SHADOW 49
588 #ifdef __KVM_HAVE_DEBUGREGS
589 #define KVM_CAP_DEBUGREGS 50
590 #endif
591 #define KVM_CAP_X86_ROBUST_SINGLESTEP 51
592 #define KVM_CAP_PPC_OSI 52
593 #define KVM_CAP_PPC_UNSET_IRQ 53
594 #define KVM_CAP_ENABLE_CAP 54
595 #ifdef __KVM_HAVE_XSAVE
596 #define KVM_CAP_XSAVE 55
597 #endif
598 #ifdef __KVM_HAVE_XCRS
599 #define KVM_CAP_XCRS 56
600 #endif
601 #define KVM_CAP_PPC_GET_PVINFO 57
602 #define KVM_CAP_PPC_IRQ_LEVEL 58
603 #define KVM_CAP_ASYNC_PF 59
604 #define KVM_CAP_TSC_CONTROL 60
605 #define KVM_CAP_GET_TSC_KHZ 61
606 #define KVM_CAP_PPC_BOOKE_SREGS 62
607 #define KVM_CAP_SPAPR_TCE 63
608 #define KVM_CAP_PPC_SMT 64
609 #define KVM_CAP_PPC_RMA	65
610 #define KVM_CAP_MAX_VCPUS 66       /* returns max vcpus per vm */
611 #define KVM_CAP_PPC_HIOR 67
612 #define KVM_CAP_PPC_PAPR 68
613 #define KVM_CAP_SW_TLB 69
614 #define KVM_CAP_ONE_REG 70
615 #define KVM_CAP_S390_GMAP 71
616 #define KVM_CAP_TSC_DEADLINE_TIMER 72
617 #define KVM_CAP_S390_UCONTROL 73
618 #define KVM_CAP_SYNC_REGS 74
619 #define KVM_CAP_PCI_2_3 75
620 #define KVM_CAP_KVMCLOCK_CTRL 76
621 #define KVM_CAP_SIGNAL_MSI 77
622 #define KVM_CAP_PPC_GET_SMMU_INFO 78
623 #define KVM_CAP_S390_COW 79
624 #define KVM_CAP_PPC_ALLOC_HTAB 80
625 #ifdef __KVM_HAVE_READONLY_MEM
626 #define KVM_CAP_READONLY_MEM 81
627 #endif
628 #define KVM_CAP_IRQFD_RESAMPLE 82
629 
630 #ifdef KVM_CAP_IRQ_ROUTING
631 
632 struct kvm_irq_routing_irqchip {
633 	__u32 irqchip;
634 	__u32 pin;
635 };
636 
637 struct kvm_irq_routing_msi {
638 	__u32 address_lo;
639 	__u32 address_hi;
640 	__u32 data;
641 	__u32 pad;
642 };
643 
644 /* gsi routing entry types */
645 #define KVM_IRQ_ROUTING_IRQCHIP 1
646 #define KVM_IRQ_ROUTING_MSI 2
647 
648 struct kvm_irq_routing_entry {
649 	__u32 gsi;
650 	__u32 type;
651 	__u32 flags;
652 	__u32 pad;
653 	union {
654 		struct kvm_irq_routing_irqchip irqchip;
655 		struct kvm_irq_routing_msi msi;
656 		__u32 pad[8];
657 	} u;
658 };
659 
660 struct kvm_irq_routing {
661 	__u32 nr;
662 	__u32 flags;
663 	struct kvm_irq_routing_entry entries[0];
664 };
665 
666 #endif
667 
668 #ifdef KVM_CAP_MCE
669 /* x86 MCE */
670 struct kvm_x86_mce {
671 	__u64 status;
672 	__u64 addr;
673 	__u64 misc;
674 	__u64 mcg_status;
675 	__u8 bank;
676 	__u8 pad1[7];
677 	__u64 pad2[3];
678 };
679 #endif
680 
681 #ifdef KVM_CAP_XEN_HVM
682 struct kvm_xen_hvm_config {
683 	__u32 flags;
684 	__u32 msr;
685 	__u64 blob_addr_32;
686 	__u64 blob_addr_64;
687 	__u8 blob_size_32;
688 	__u8 blob_size_64;
689 	__u8 pad2[30];
690 };
691 #endif
692 
693 #define KVM_IRQFD_FLAG_DEASSIGN (1 << 0)
694 /*
695  * Available with KVM_CAP_IRQFD_RESAMPLE
696  *
697  * KVM_IRQFD_FLAG_RESAMPLE indicates resamplefd is valid and specifies
698  * the irqfd to operate in resampling mode for level triggered interrupt
699  * emlation.  See Documentation/virtual/kvm/api.txt.
700  */
701 #define KVM_IRQFD_FLAG_RESAMPLE (1 << 1)
702 
703 struct kvm_irqfd {
704 	__u32 fd;
705 	__u32 gsi;
706 	__u32 flags;
707 	__u32 resamplefd;
708 	__u8  pad[16];
709 };
710 
711 struct kvm_clock_data {
712 	__u64 clock;
713 	__u32 flags;
714 	__u32 pad[9];
715 };
716 
717 #define KVM_MMU_FSL_BOOKE_NOHV		0
718 #define KVM_MMU_FSL_BOOKE_HV		1
719 
720 struct kvm_config_tlb {
721 	__u64 params;
722 	__u64 array;
723 	__u32 mmu_type;
724 	__u32 array_len;
725 };
726 
727 struct kvm_dirty_tlb {
728 	__u64 bitmap;
729 	__u32 num_dirty;
730 };
731 
732 /* Available with KVM_CAP_ONE_REG */
733 
734 #define KVM_REG_ARCH_MASK	0xff00000000000000ULL
735 #define KVM_REG_GENERIC		0x0000000000000000ULL
736 
737 /*
738  * Architecture specific registers are to be defined in arch headers and
739  * ORed with the arch identifier.
740  */
741 #define KVM_REG_PPC		0x1000000000000000ULL
742 #define KVM_REG_X86		0x2000000000000000ULL
743 #define KVM_REG_IA64		0x3000000000000000ULL
744 #define KVM_REG_ARM		0x4000000000000000ULL
745 #define KVM_REG_S390		0x5000000000000000ULL
746 
747 #define KVM_REG_SIZE_SHIFT	52
748 #define KVM_REG_SIZE_MASK	0x00f0000000000000ULL
749 #define KVM_REG_SIZE_U8		0x0000000000000000ULL
750 #define KVM_REG_SIZE_U16	0x0010000000000000ULL
751 #define KVM_REG_SIZE_U32	0x0020000000000000ULL
752 #define KVM_REG_SIZE_U64	0x0030000000000000ULL
753 #define KVM_REG_SIZE_U128	0x0040000000000000ULL
754 #define KVM_REG_SIZE_U256	0x0050000000000000ULL
755 #define KVM_REG_SIZE_U512	0x0060000000000000ULL
756 #define KVM_REG_SIZE_U1024	0x0070000000000000ULL
757 
758 struct kvm_one_reg {
759 	__u64 id;
760 	__u64 addr;
761 };
762 
763 struct kvm_msi {
764 	__u32 address_lo;
765 	__u32 address_hi;
766 	__u32 data;
767 	__u32 flags;
768 	__u8  pad[16];
769 };
770 
771 /*
772  * ioctls for VM fds
773  */
774 #define KVM_SET_MEMORY_REGION     _IOW(KVMIO,  0x40, struct kvm_memory_region)
775 /*
776  * KVM_CREATE_VCPU receives as a parameter the vcpu slot, and returns
777  * a vcpu fd.
778  */
779 #define KVM_CREATE_VCPU           _IO(KVMIO,   0x41)
780 #define KVM_GET_DIRTY_LOG         _IOW(KVMIO,  0x42, struct kvm_dirty_log)
781 /* KVM_SET_MEMORY_ALIAS is obsolete: */
782 #define KVM_SET_MEMORY_ALIAS      _IOW(KVMIO,  0x43, struct kvm_memory_alias)
783 #define KVM_SET_NR_MMU_PAGES      _IO(KVMIO,   0x44)
784 #define KVM_GET_NR_MMU_PAGES      _IO(KVMIO,   0x45)
785 #define KVM_SET_USER_MEMORY_REGION _IOW(KVMIO, 0x46, \
786 					struct kvm_userspace_memory_region)
787 #define KVM_SET_TSS_ADDR          _IO(KVMIO,   0x47)
788 #define KVM_SET_IDENTITY_MAP_ADDR _IOW(KVMIO,  0x48, __u64)
789 
790 /* enable ucontrol for s390 */
791 struct kvm_s390_ucas_mapping {
792 	__u64 user_addr;
793 	__u64 vcpu_addr;
794 	__u64 length;
795 };
796 #define KVM_S390_UCAS_MAP        _IOW(KVMIO, 0x50, struct kvm_s390_ucas_mapping)
797 #define KVM_S390_UCAS_UNMAP      _IOW(KVMIO, 0x51, struct kvm_s390_ucas_mapping)
798 #define KVM_S390_VCPU_FAULT	 _IOW(KVMIO, 0x52, unsigned long)
799 
800 /* Device model IOC */
801 #define KVM_CREATE_IRQCHIP        _IO(KVMIO,   0x60)
802 #define KVM_IRQ_LINE              _IOW(KVMIO,  0x61, struct kvm_irq_level)
803 #define KVM_GET_IRQCHIP           _IOWR(KVMIO, 0x62, struct kvm_irqchip)
804 #define KVM_SET_IRQCHIP           _IOR(KVMIO,  0x63, struct kvm_irqchip)
805 #define KVM_CREATE_PIT            _IO(KVMIO,   0x64)
806 #define KVM_GET_PIT               _IOWR(KVMIO, 0x65, struct kvm_pit_state)
807 #define KVM_SET_PIT               _IOR(KVMIO,  0x66, struct kvm_pit_state)
808 #define KVM_IRQ_LINE_STATUS       _IOWR(KVMIO, 0x67, struct kvm_irq_level)
809 #define KVM_REGISTER_COALESCED_MMIO \
810 			_IOW(KVMIO,  0x67, struct kvm_coalesced_mmio_zone)
811 #define KVM_UNREGISTER_COALESCED_MMIO \
812 			_IOW(KVMIO,  0x68, struct kvm_coalesced_mmio_zone)
813 #define KVM_ASSIGN_PCI_DEVICE     _IOR(KVMIO,  0x69, \
814 				       struct kvm_assigned_pci_dev)
815 #define KVM_SET_GSI_ROUTING       _IOW(KVMIO,  0x6a, struct kvm_irq_routing)
816 /* deprecated, replaced by KVM_ASSIGN_DEV_IRQ */
817 #define KVM_ASSIGN_IRQ            __KVM_DEPRECATED_VM_R_0x70
818 #define KVM_ASSIGN_DEV_IRQ        _IOW(KVMIO,  0x70, struct kvm_assigned_irq)
819 #define KVM_REINJECT_CONTROL      _IO(KVMIO,   0x71)
820 #define KVM_DEASSIGN_PCI_DEVICE   _IOW(KVMIO,  0x72, \
821 				       struct kvm_assigned_pci_dev)
822 #define KVM_ASSIGN_SET_MSIX_NR    _IOW(KVMIO,  0x73, \
823 				       struct kvm_assigned_msix_nr)
824 #define KVM_ASSIGN_SET_MSIX_ENTRY _IOW(KVMIO,  0x74, \
825 				       struct kvm_assigned_msix_entry)
826 #define KVM_DEASSIGN_DEV_IRQ      _IOW(KVMIO,  0x75, struct kvm_assigned_irq)
827 #define KVM_IRQFD                 _IOW(KVMIO,  0x76, struct kvm_irqfd)
828 #define KVM_CREATE_PIT2		  _IOW(KVMIO,  0x77, struct kvm_pit_config)
829 #define KVM_SET_BOOT_CPU_ID       _IO(KVMIO,   0x78)
830 #define KVM_IOEVENTFD             _IOW(KVMIO,  0x79, struct kvm_ioeventfd)
831 #define KVM_XEN_HVM_CONFIG        _IOW(KVMIO,  0x7a, struct kvm_xen_hvm_config)
832 #define KVM_SET_CLOCK             _IOW(KVMIO,  0x7b, struct kvm_clock_data)
833 #define KVM_GET_CLOCK             _IOR(KVMIO,  0x7c, struct kvm_clock_data)
834 /* Available with KVM_CAP_PIT_STATE2 */
835 #define KVM_GET_PIT2              _IOR(KVMIO,  0x9f, struct kvm_pit_state2)
836 #define KVM_SET_PIT2              _IOW(KVMIO,  0xa0, struct kvm_pit_state2)
837 /* Available with KVM_CAP_PPC_GET_PVINFO */
838 #define KVM_PPC_GET_PVINFO	  _IOW(KVMIO,  0xa1, struct kvm_ppc_pvinfo)
839 /* Available with KVM_CAP_TSC_CONTROL */
840 #define KVM_SET_TSC_KHZ           _IO(KVMIO,  0xa2)
841 #define KVM_GET_TSC_KHZ           _IO(KVMIO,  0xa3)
842 /* Available with KVM_CAP_PCI_2_3 */
843 #define KVM_ASSIGN_SET_INTX_MASK  _IOW(KVMIO,  0xa4, \
844 				       struct kvm_assigned_pci_dev)
845 /* Available with KVM_CAP_SIGNAL_MSI */
846 #define KVM_SIGNAL_MSI            _IOW(KVMIO,  0xa5, struct kvm_msi)
847 /* Available with KVM_CAP_PPC_GET_SMMU_INFO */
848 #define KVM_PPC_GET_SMMU_INFO	  _IOR(KVMIO,  0xa6, struct kvm_ppc_smmu_info)
849 /* Available with KVM_CAP_PPC_ALLOC_HTAB */
850 #define KVM_PPC_ALLOCATE_HTAB	  _IOWR(KVMIO, 0xa7, __u32)
851 
852 /*
853  * ioctls for vcpu fds
854  */
855 #define KVM_RUN                   _IO(KVMIO,   0x80)
856 #define KVM_GET_REGS              _IOR(KVMIO,  0x81, struct kvm_regs)
857 #define KVM_SET_REGS              _IOW(KVMIO,  0x82, struct kvm_regs)
858 #define KVM_GET_SREGS             _IOR(KVMIO,  0x83, struct kvm_sregs)
859 #define KVM_SET_SREGS             _IOW(KVMIO,  0x84, struct kvm_sregs)
860 #define KVM_TRANSLATE             _IOWR(KVMIO, 0x85, struct kvm_translation)
861 #define KVM_INTERRUPT             _IOW(KVMIO,  0x86, struct kvm_interrupt)
862 /* KVM_DEBUG_GUEST is no longer supported, use KVM_SET_GUEST_DEBUG instead */
863 #define KVM_DEBUG_GUEST           __KVM_DEPRECATED_VCPU_W_0x87
864 #define KVM_GET_MSRS              _IOWR(KVMIO, 0x88, struct kvm_msrs)
865 #define KVM_SET_MSRS              _IOW(KVMIO,  0x89, struct kvm_msrs)
866 #define KVM_SET_CPUID             _IOW(KVMIO,  0x8a, struct kvm_cpuid)
867 #define KVM_SET_SIGNAL_MASK       _IOW(KVMIO,  0x8b, struct kvm_signal_mask)
868 #define KVM_GET_FPU               _IOR(KVMIO,  0x8c, struct kvm_fpu)
869 #define KVM_SET_FPU               _IOW(KVMIO,  0x8d, struct kvm_fpu)
870 #define KVM_GET_LAPIC             _IOR(KVMIO,  0x8e, struct kvm_lapic_state)
871 #define KVM_SET_LAPIC             _IOW(KVMIO,  0x8f, struct kvm_lapic_state)
872 #define KVM_SET_CPUID2            _IOW(KVMIO,  0x90, struct kvm_cpuid2)
873 #define KVM_GET_CPUID2            _IOWR(KVMIO, 0x91, struct kvm_cpuid2)
874 /* Available with KVM_CAP_VAPIC */
875 #define KVM_TPR_ACCESS_REPORTING  _IOWR(KVMIO, 0x92, struct kvm_tpr_access_ctl)
876 /* Available with KVM_CAP_VAPIC */
877 #define KVM_SET_VAPIC_ADDR        _IOW(KVMIO,  0x93, struct kvm_vapic_addr)
878 /* valid for virtual machine (for floating interrupt)_and_ vcpu */
879 #define KVM_S390_INTERRUPT        _IOW(KVMIO,  0x94, struct kvm_s390_interrupt)
880 /* store status for s390 */
881 #define KVM_S390_STORE_STATUS_NOADDR    (-1ul)
882 #define KVM_S390_STORE_STATUS_PREFIXED  (-2ul)
883 #define KVM_S390_STORE_STATUS	  _IOW(KVMIO,  0x95, unsigned long)
884 /* initial ipl psw for s390 */
885 #define KVM_S390_SET_INITIAL_PSW  _IOW(KVMIO,  0x96, struct kvm_s390_psw)
886 /* initial reset for s390 */
887 #define KVM_S390_INITIAL_RESET    _IO(KVMIO,   0x97)
888 #define KVM_GET_MP_STATE          _IOR(KVMIO,  0x98, struct kvm_mp_state)
889 #define KVM_SET_MP_STATE          _IOW(KVMIO,  0x99, struct kvm_mp_state)
890 /* Available with KVM_CAP_NMI */
891 #define KVM_NMI                   _IO(KVMIO,   0x9a)
892 /* Available with KVM_CAP_SET_GUEST_DEBUG */
893 #define KVM_SET_GUEST_DEBUG       _IOW(KVMIO,  0x9b, struct kvm_guest_debug)
894 /* MCE for x86 */
895 #define KVM_X86_SETUP_MCE         _IOW(KVMIO,  0x9c, __u64)
896 #define KVM_X86_GET_MCE_CAP_SUPPORTED _IOR(KVMIO,  0x9d, __u64)
897 #define KVM_X86_SET_MCE           _IOW(KVMIO,  0x9e, struct kvm_x86_mce)
898 /* IA64 stack access */
899 #define KVM_IA64_VCPU_GET_STACK   _IOR(KVMIO,  0x9a, void *)
900 #define KVM_IA64_VCPU_SET_STACK   _IOW(KVMIO,  0x9b, void *)
901 /* Available with KVM_CAP_VCPU_EVENTS */
902 #define KVM_GET_VCPU_EVENTS       _IOR(KVMIO,  0x9f, struct kvm_vcpu_events)
903 #define KVM_SET_VCPU_EVENTS       _IOW(KVMIO,  0xa0, struct kvm_vcpu_events)
904 /* Available with KVM_CAP_DEBUGREGS */
905 #define KVM_GET_DEBUGREGS         _IOR(KVMIO,  0xa1, struct kvm_debugregs)
906 #define KVM_SET_DEBUGREGS         _IOW(KVMIO,  0xa2, struct kvm_debugregs)
907 #define KVM_ENABLE_CAP            _IOW(KVMIO,  0xa3, struct kvm_enable_cap)
908 /* Available with KVM_CAP_XSAVE */
909 #define KVM_GET_XSAVE		  _IOR(KVMIO,  0xa4, struct kvm_xsave)
910 #define KVM_SET_XSAVE		  _IOW(KVMIO,  0xa5, struct kvm_xsave)
911 /* Available with KVM_CAP_XCRS */
912 #define KVM_GET_XCRS		  _IOR(KVMIO,  0xa6, struct kvm_xcrs)
913 #define KVM_SET_XCRS		  _IOW(KVMIO,  0xa7, struct kvm_xcrs)
914 #define KVM_CREATE_SPAPR_TCE	  _IOW(KVMIO,  0xa8, struct kvm_create_spapr_tce)
915 /* Available with KVM_CAP_RMA */
916 #define KVM_ALLOCATE_RMA	  _IOR(KVMIO,  0xa9, struct kvm_allocate_rma)
917 /* Available with KVM_CAP_SW_TLB */
918 #define KVM_DIRTY_TLB		  _IOW(KVMIO,  0xaa, struct kvm_dirty_tlb)
919 /* Available with KVM_CAP_ONE_REG */
920 #define KVM_GET_ONE_REG		  _IOW(KVMIO,  0xab, struct kvm_one_reg)
921 #define KVM_SET_ONE_REG		  _IOW(KVMIO,  0xac, struct kvm_one_reg)
922 /* VM is being stopped by host */
923 #define KVM_KVMCLOCK_CTRL	  _IO(KVMIO,   0xad)
924 
925 #define KVM_DEV_ASSIGN_ENABLE_IOMMU	(1 << 0)
926 #define KVM_DEV_ASSIGN_PCI_2_3		(1 << 1)
927 #define KVM_DEV_ASSIGN_MASK_INTX	(1 << 2)
928 
929 struct kvm_assigned_pci_dev {
930 	__u32 assigned_dev_id;
931 	__u32 busnr;
932 	__u32 devfn;
933 	__u32 flags;
934 	__u32 segnr;
935 	union {
936 		__u32 reserved[11];
937 	};
938 };
939 
940 #define KVM_DEV_IRQ_HOST_INTX    (1 << 0)
941 #define KVM_DEV_IRQ_HOST_MSI     (1 << 1)
942 #define KVM_DEV_IRQ_HOST_MSIX    (1 << 2)
943 
944 #define KVM_DEV_IRQ_GUEST_INTX   (1 << 8)
945 #define KVM_DEV_IRQ_GUEST_MSI    (1 << 9)
946 #define KVM_DEV_IRQ_GUEST_MSIX   (1 << 10)
947 
948 #define KVM_DEV_IRQ_HOST_MASK	 0x00ff
949 #define KVM_DEV_IRQ_GUEST_MASK   0xff00
950 
951 struct kvm_assigned_irq {
952 	__u32 assigned_dev_id;
953 	__u32 host_irq; /* ignored (legacy field) */
954 	__u32 guest_irq;
955 	__u32 flags;
956 	union {
957 		__u32 reserved[12];
958 	};
959 };
960 
961 struct kvm_assigned_msix_nr {
962 	__u32 assigned_dev_id;
963 	__u16 entry_nr;
964 	__u16 padding;
965 };
966 
967 #define KVM_MAX_MSIX_PER_DEV		256
968 struct kvm_assigned_msix_entry {
969 	__u32 assigned_dev_id;
970 	__u32 gsi;
971 	__u16 entry; /* The index of entry in the MSI-X table */
972 	__u16 padding[3];
973 };
974 
975 #endif /* __LINUX_KVM_H */
976