kvm.h 29 KB

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  1. #ifndef __LINUX_KVM_H
  2. #define __LINUX_KVM_H
  3. /*
  4. * Userspace interface for /dev/kvm - kernel based virtual machine
  5. *
  6. * Note: you must update KVM_API_VERSION if you change this interface.
  7. */
  8. #include <linux/types.h>
  9. #include <linux/compiler.h>
  10. #include <linux/ioctl.h>
  11. #include <asm/kvm.h>
  12. #define KVM_API_VERSION 12
  13. /* *** Deprecated interfaces *** */
  14. #define KVM_TRC_SHIFT 16
  15. #define KVM_TRC_ENTRYEXIT (1 << KVM_TRC_SHIFT)
  16. #define KVM_TRC_HANDLER (1 << (KVM_TRC_SHIFT + 1))
  17. #define KVM_TRC_VMENTRY (KVM_TRC_ENTRYEXIT + 0x01)
  18. #define KVM_TRC_VMEXIT (KVM_TRC_ENTRYEXIT + 0x02)
  19. #define KVM_TRC_PAGE_FAULT (KVM_TRC_HANDLER + 0x01)
  20. #define KVM_TRC_HEAD_SIZE 12
  21. #define KVM_TRC_CYCLE_SIZE 8
  22. #define KVM_TRC_EXTRA_MAX 7
  23. #define KVM_TRC_INJ_VIRQ (KVM_TRC_HANDLER + 0x02)
  24. #define KVM_TRC_REDELIVER_EVT (KVM_TRC_HANDLER + 0x03)
  25. #define KVM_TRC_PEND_INTR (KVM_TRC_HANDLER + 0x04)
  26. #define KVM_TRC_IO_READ (KVM_TRC_HANDLER + 0x05)
  27. #define KVM_TRC_IO_WRITE (KVM_TRC_HANDLER + 0x06)
  28. #define KVM_TRC_CR_READ (KVM_TRC_HANDLER + 0x07)
  29. #define KVM_TRC_CR_WRITE (KVM_TRC_HANDLER + 0x08)
  30. #define KVM_TRC_DR_READ (KVM_TRC_HANDLER + 0x09)
  31. #define KVM_TRC_DR_WRITE (KVM_TRC_HANDLER + 0x0A)
  32. #define KVM_TRC_MSR_READ (KVM_TRC_HANDLER + 0x0B)
  33. #define KVM_TRC_MSR_WRITE (KVM_TRC_HANDLER + 0x0C)
  34. #define KVM_TRC_CPUID (KVM_TRC_HANDLER + 0x0D)
  35. #define KVM_TRC_INTR (KVM_TRC_HANDLER + 0x0E)
  36. #define KVM_TRC_NMI (KVM_TRC_HANDLER + 0x0F)
  37. #define KVM_TRC_VMMCALL (KVM_TRC_HANDLER + 0x10)
  38. #define KVM_TRC_HLT (KVM_TRC_HANDLER + 0x11)
  39. #define KVM_TRC_CLTS (KVM_TRC_HANDLER + 0x12)
  40. #define KVM_TRC_LMSW (KVM_TRC_HANDLER + 0x13)
  41. #define KVM_TRC_APIC_ACCESS (KVM_TRC_HANDLER + 0x14)
  42. #define KVM_TRC_TDP_FAULT (KVM_TRC_HANDLER + 0x15)
  43. #define KVM_TRC_GTLB_WRITE (KVM_TRC_HANDLER + 0x16)
  44. #define KVM_TRC_STLB_WRITE (KVM_TRC_HANDLER + 0x17)
  45. #define KVM_TRC_STLB_INVAL (KVM_TRC_HANDLER + 0x18)
  46. #define KVM_TRC_PPC_INSTR (KVM_TRC_HANDLER + 0x19)
  47. struct kvm_user_trace_setup {
  48. __u32 buf_size;
  49. __u32 buf_nr;
  50. };
  51. #define __KVM_DEPRECATED_MAIN_W_0x06 \
  52. _IOW(KVMIO, 0x06, struct kvm_user_trace_setup)
  53. #define __KVM_DEPRECATED_MAIN_0x07 _IO(KVMIO, 0x07)
  54. #define __KVM_DEPRECATED_MAIN_0x08 _IO(KVMIO, 0x08)
  55. #define __KVM_DEPRECATED_VM_R_0x70 _IOR(KVMIO, 0x70, struct kvm_assigned_irq)
  56. struct kvm_breakpoint {
  57. __u32 enabled;
  58. __u32 padding;
  59. __u64 address;
  60. };
  61. struct kvm_debug_guest {
  62. __u32 enabled;
  63. __u32 pad;
  64. struct kvm_breakpoint breakpoints[4];
  65. __u32 singlestep;
  66. };
  67. #define __KVM_DEPRECATED_VCPU_W_0x87 _IOW(KVMIO, 0x87, struct kvm_debug_guest)
  68. /* *** End of deprecated interfaces *** */
  69. /* for KVM_CREATE_MEMORY_REGION */
  70. struct kvm_memory_region {
  71. __u32 slot;
  72. __u32 flags;
  73. __u64 guest_phys_addr;
  74. __u64 memory_size; /* bytes */
  75. };
  76. /* for KVM_SET_USER_MEMORY_REGION */
  77. struct kvm_userspace_memory_region {
  78. __u32 slot;
  79. __u32 flags;
  80. __u64 guest_phys_addr;
  81. __u64 memory_size; /* bytes */
  82. __u64 userspace_addr; /* start of the userspace allocated memory */
  83. };
  84. /*
  85. * The bit 0 ~ bit 15 of kvm_memory_region::flags are visible for userspace,
  86. * other bits are reserved for kvm internal use which are defined in
  87. * include/linux/kvm_host.h.
  88. */
  89. #define KVM_MEM_LOG_DIRTY_PAGES (1UL << 0)
  90. #define KVM_MEM_READONLY (1UL << 1)
  91. /* for KVM_IRQ_LINE */
  92. struct kvm_irq_level {
  93. /*
  94. * ACPI gsi notion of irq.
  95. * For IA-64 (APIC model) IOAPIC0: irq 0-23; IOAPIC1: irq 24-47..
  96. * For X86 (standard AT mode) PIC0/1: irq 0-15. IOAPIC0: 0-23..
  97. * For ARM: See Documentation/virtual/kvm/api.txt
  98. */
  99. union {
  100. __u32 irq;
  101. __s32 status;
  102. };
  103. __u32 level;
  104. };
  105. struct kvm_irqchip {
  106. __u32 chip_id;
  107. __u32 pad;
  108. union {
  109. char dummy[512]; /* reserving space */
  110. #ifdef __KVM_HAVE_PIT
  111. struct kvm_pic_state pic;
  112. #endif
  113. #ifdef __KVM_HAVE_IOAPIC
  114. struct kvm_ioapic_state ioapic;
  115. #endif
  116. } chip;
  117. };
  118. /* for KVM_CREATE_PIT2 */
  119. struct kvm_pit_config {
  120. __u32 flags;
  121. __u32 pad[15];
  122. };
  123. #define KVM_PIT_SPEAKER_DUMMY 1
  124. #define KVM_EXIT_UNKNOWN 0
  125. #define KVM_EXIT_EXCEPTION 1
  126. #define KVM_EXIT_IO 2
  127. #define KVM_EXIT_HYPERCALL 3
  128. #define KVM_EXIT_DEBUG 4
  129. #define KVM_EXIT_HLT 5
  130. #define KVM_EXIT_MMIO 6
  131. #define KVM_EXIT_IRQ_WINDOW_OPEN 7
  132. #define KVM_EXIT_SHUTDOWN 8
  133. #define KVM_EXIT_FAIL_ENTRY 9
  134. #define KVM_EXIT_INTR 10
  135. #define KVM_EXIT_SET_TPR 11
  136. #define KVM_EXIT_TPR_ACCESS 12
  137. #define KVM_EXIT_S390_SIEIC 13
  138. #define KVM_EXIT_S390_RESET 14
  139. #define KVM_EXIT_DCR 15
  140. #define KVM_EXIT_NMI 16
  141. #define KVM_EXIT_INTERNAL_ERROR 17
  142. #define KVM_EXIT_OSI 18
  143. #define KVM_EXIT_PAPR_HCALL 19
  144. #define KVM_EXIT_S390_UCONTROL 20
  145. #define KVM_EXIT_WATCHDOG 21
  146. #define KVM_EXIT_S390_TSCH 22
  147. #define KVM_EXIT_EPR 23
  148. /* For KVM_EXIT_INTERNAL_ERROR */
  149. /* Emulate instruction failed. */
  150. #define KVM_INTERNAL_ERROR_EMULATION 1
  151. /* Encounter unexpected simultaneous exceptions. */
  152. #define KVM_INTERNAL_ERROR_SIMUL_EX 2
  153. /* Encounter unexpected vm-exit due to delivery event. */
  154. #define KVM_INTERNAL_ERROR_DELIVERY_EV 3
  155. /* for KVM_RUN, returned by mmap(vcpu_fd, offset=0) */
  156. struct kvm_run {
  157. /* in */
  158. __u8 request_interrupt_window;
  159. __u8 padding1[7];
  160. /* out */
  161. __u32 exit_reason;
  162. __u8 ready_for_interrupt_injection;
  163. __u8 if_flag;
  164. __u8 padding2[2];
  165. /* in (pre_kvm_run), out (post_kvm_run) */
  166. __u64 cr8;
  167. __u64 apic_base;
  168. #ifdef __KVM_S390
  169. /* the processor status word for s390 */
  170. __u64 psw_mask; /* psw upper half */
  171. __u64 psw_addr; /* psw lower half */
  172. #endif
  173. union {
  174. /* KVM_EXIT_UNKNOWN */
  175. struct {
  176. __u64 hardware_exit_reason;
  177. } hw;
  178. /* KVM_EXIT_FAIL_ENTRY */
  179. struct {
  180. __u64 hardware_entry_failure_reason;
  181. } fail_entry;
  182. /* KVM_EXIT_EXCEPTION */
  183. struct {
  184. __u32 exception;
  185. __u32 error_code;
  186. } ex;
  187. /* KVM_EXIT_IO */
  188. struct {
  189. #define KVM_EXIT_IO_IN 0
  190. #define KVM_EXIT_IO_OUT 1
  191. __u8 direction;
  192. __u8 size; /* bytes */
  193. __u16 port;
  194. __u32 count;
  195. __u64 data_offset; /* relative to kvm_run start */
  196. } io;
  197. struct {
  198. struct kvm_debug_exit_arch arch;
  199. } debug;
  200. /* KVM_EXIT_MMIO */
  201. struct {
  202. __u64 phys_addr;
  203. __u8 data[8];
  204. __u32 len;
  205. __u8 is_write;
  206. } mmio;
  207. /* KVM_EXIT_HYPERCALL */
  208. struct {
  209. __u64 nr;
  210. __u64 args[6];
  211. __u64 ret;
  212. __u32 longmode;
  213. __u32 pad;
  214. } hypercall;
  215. /* KVM_EXIT_TPR_ACCESS */
  216. struct {
  217. __u64 rip;
  218. __u32 is_write;
  219. __u32 pad;
  220. } tpr_access;
  221. /* KVM_EXIT_S390_SIEIC */
  222. struct {
  223. __u8 icptcode;
  224. __u16 ipa;
  225. __u32 ipb;
  226. } s390_sieic;
  227. /* KVM_EXIT_S390_RESET */
  228. #define KVM_S390_RESET_POR 1
  229. #define KVM_S390_RESET_CLEAR 2
  230. #define KVM_S390_RESET_SUBSYSTEM 4
  231. #define KVM_S390_RESET_CPU_INIT 8
  232. #define KVM_S390_RESET_IPL 16
  233. __u64 s390_reset_flags;
  234. /* KVM_EXIT_S390_UCONTROL */
  235. struct {
  236. __u64 trans_exc_code;
  237. __u32 pgm_code;
  238. } s390_ucontrol;
  239. /* KVM_EXIT_DCR */
  240. struct {
  241. __u32 dcrn;
  242. __u32 data;
  243. __u8 is_write;
  244. } dcr;
  245. struct {
  246. __u32 suberror;
  247. /* Available with KVM_CAP_INTERNAL_ERROR_DATA: */
  248. __u32 ndata;
  249. __u64 data[16];
  250. } internal;
  251. /* KVM_EXIT_OSI */
  252. struct {
  253. __u64 gprs[32];
  254. } osi;
  255. struct {
  256. __u64 nr;
  257. __u64 ret;
  258. __u64 args[9];
  259. } papr_hcall;
  260. /* KVM_EXIT_S390_TSCH */
  261. struct {
  262. __u16 subchannel_id;
  263. __u16 subchannel_nr;
  264. __u32 io_int_parm;
  265. __u32 io_int_word;
  266. __u32 ipb;
  267. __u8 dequeued;
  268. } s390_tsch;
  269. /* KVM_EXIT_EPR */
  270. struct {
  271. __u32 epr;
  272. } epr;
  273. /* Fix the size of the union. */
  274. char padding[256];
  275. };
  276. /*
  277. * shared registers between kvm and userspace.
  278. * kvm_valid_regs specifies the register classes set by the host
  279. * kvm_dirty_regs specified the register classes dirtied by userspace
  280. * struct kvm_sync_regs is architecture specific, as well as the
  281. * bits for kvm_valid_regs and kvm_dirty_regs
  282. */
  283. __u64 kvm_valid_regs;
  284. __u64 kvm_dirty_regs;
  285. union {
  286. struct kvm_sync_regs regs;
  287. char padding[1024];
  288. } s;
  289. };
  290. /* for KVM_REGISTER_COALESCED_MMIO / KVM_UNREGISTER_COALESCED_MMIO */
  291. struct kvm_coalesced_mmio_zone {
  292. __u64 addr;
  293. __u32 size;
  294. __u32 pad;
  295. };
  296. struct kvm_coalesced_mmio {
  297. __u64 phys_addr;
  298. __u32 len;
  299. __u32 pad;
  300. __u8 data[8];
  301. };
  302. struct kvm_coalesced_mmio_ring {
  303. __u32 first, last;
  304. struct kvm_coalesced_mmio coalesced_mmio[0];
  305. };
  306. #define KVM_COALESCED_MMIO_MAX \
  307. ((PAGE_SIZE - sizeof(struct kvm_coalesced_mmio_ring)) / \
  308. sizeof(struct kvm_coalesced_mmio))
  309. /* for KVM_TRANSLATE */
  310. struct kvm_translation {
  311. /* in */
  312. __u64 linear_address;
  313. /* out */
  314. __u64 physical_address;
  315. __u8 valid;
  316. __u8 writeable;
  317. __u8 usermode;
  318. __u8 pad[5];
  319. };
  320. /* for KVM_INTERRUPT */
  321. struct kvm_interrupt {
  322. /* in */
  323. __u32 irq;
  324. };
  325. /* for KVM_GET_DIRTY_LOG */
  326. struct kvm_dirty_log {
  327. __u32 slot;
  328. __u32 padding1;
  329. union {
  330. void __user *dirty_bitmap; /* one bit per page */
  331. __u64 padding2;
  332. };
  333. };
  334. /* for KVM_SET_SIGNAL_MASK */
  335. struct kvm_signal_mask {
  336. __u32 len;
  337. __u8 sigset[0];
  338. };
  339. /* for KVM_TPR_ACCESS_REPORTING */
  340. struct kvm_tpr_access_ctl {
  341. __u32 enabled;
  342. __u32 flags;
  343. __u32 reserved[8];
  344. };
  345. /* for KVM_SET_VAPIC_ADDR */
  346. struct kvm_vapic_addr {
  347. __u64 vapic_addr;
  348. };
  349. /* for KVM_SET_MPSTATE */
  350. #define KVM_MP_STATE_RUNNABLE 0
  351. #define KVM_MP_STATE_UNINITIALIZED 1
  352. #define KVM_MP_STATE_INIT_RECEIVED 2
  353. #define KVM_MP_STATE_HALTED 3
  354. #define KVM_MP_STATE_SIPI_RECEIVED 4
  355. struct kvm_mp_state {
  356. __u32 mp_state;
  357. };
  358. struct kvm_s390_psw {
  359. __u64 mask;
  360. __u64 addr;
  361. };
  362. /* valid values for type in kvm_s390_interrupt */
  363. #define KVM_S390_SIGP_STOP 0xfffe0000u
  364. #define KVM_S390_PROGRAM_INT 0xfffe0001u
  365. #define KVM_S390_SIGP_SET_PREFIX 0xfffe0002u
  366. #define KVM_S390_RESTART 0xfffe0003u
  367. #define KVM_S390_MCHK 0xfffe1000u
  368. #define KVM_S390_INT_VIRTIO 0xffff2603u
  369. #define KVM_S390_INT_SERVICE 0xffff2401u
  370. #define KVM_S390_INT_EMERGENCY 0xffff1201u
  371. #define KVM_S390_INT_EXTERNAL_CALL 0xffff1202u
  372. /* Anything below 0xfffe0000u is taken by INT_IO */
  373. #define KVM_S390_INT_IO(ai,cssid,ssid,schid) \
  374. (((schid)) | \
  375. ((ssid) << 16) | \
  376. ((cssid) << 18) | \
  377. ((ai) << 26))
  378. #define KVM_S390_INT_IO_MIN 0x00000000u
  379. #define KVM_S390_INT_IO_MAX 0xfffdffffu
  380. struct kvm_s390_interrupt {
  381. __u32 type;
  382. __u32 parm;
  383. __u64 parm64;
  384. };
  385. /* for KVM_SET_GUEST_DEBUG */
  386. #define KVM_GUESTDBG_ENABLE 0x00000001
  387. #define KVM_GUESTDBG_SINGLESTEP 0x00000002
  388. struct kvm_guest_debug {
  389. __u32 control;
  390. __u32 pad;
  391. struct kvm_guest_debug_arch arch;
  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. #define KVM_IOEVENTFD_FLAG_DATAMATCH (1 << kvm_ioeventfd_flag_nr_datamatch)
  400. #define KVM_IOEVENTFD_FLAG_PIO (1 << kvm_ioeventfd_flag_nr_pio)
  401. #define KVM_IOEVENTFD_FLAG_DEASSIGN (1 << kvm_ioeventfd_flag_nr_deassign)
  402. #define KVM_IOEVENTFD_VALID_FLAG_MASK ((1 << kvm_ioeventfd_flag_nr_max) - 1)
  403. struct kvm_ioeventfd {
  404. __u64 datamatch;
  405. __u64 addr; /* legal pio/mmio address */
  406. __u32 len; /* 1, 2, 4, or 8 bytes */
  407. __s32 fd;
  408. __u32 flags;
  409. __u8 pad[36];
  410. };
  411. /* for KVM_ENABLE_CAP */
  412. struct kvm_enable_cap {
  413. /* in */
  414. __u32 cap;
  415. __u32 flags;
  416. __u64 args[4];
  417. __u8 pad[64];
  418. };
  419. /* for KVM_PPC_GET_PVINFO */
  420. struct kvm_ppc_pvinfo {
  421. /* out */
  422. __u32 flags;
  423. __u32 hcall[4];
  424. __u8 pad[108];
  425. };
  426. /* for KVM_PPC_GET_SMMU_INFO */
  427. #define KVM_PPC_PAGE_SIZES_MAX_SZ 8
  428. struct kvm_ppc_one_page_size {
  429. __u32 page_shift; /* Page shift (or 0) */
  430. __u32 pte_enc; /* Encoding in the HPTE (>>12) */
  431. };
  432. struct kvm_ppc_one_seg_page_size {
  433. __u32 page_shift; /* Base page shift of segment (or 0) */
  434. __u32 slb_enc; /* SLB encoding for BookS */
  435. struct kvm_ppc_one_page_size enc[KVM_PPC_PAGE_SIZES_MAX_SZ];
  436. };
  437. #define KVM_PPC_PAGE_SIZES_REAL 0x00000001
  438. #define KVM_PPC_1T_SEGMENTS 0x00000002
  439. struct kvm_ppc_smmu_info {
  440. __u64 flags;
  441. __u32 slb_size;
  442. __u32 pad;
  443. struct kvm_ppc_one_seg_page_size sps[KVM_PPC_PAGE_SIZES_MAX_SZ];
  444. };
  445. #define KVM_PPC_PVINFO_FLAGS_EV_IDLE (1<<0)
  446. #define KVMIO 0xAE
  447. /* machine type bits, to be used as argument to KVM_CREATE_VM */
  448. #define KVM_VM_S390_UCONTROL 1
  449. #define KVM_S390_SIE_PAGE_OFFSET 1
  450. /*
  451. * ioctls for /dev/kvm fds:
  452. */
  453. #define KVM_GET_API_VERSION _IO(KVMIO, 0x00)
  454. #define KVM_CREATE_VM _IO(KVMIO, 0x01) /* returns a VM fd */
  455. #define KVM_GET_MSR_INDEX_LIST _IOWR(KVMIO, 0x02, struct kvm_msr_list)
  456. #define KVM_S390_ENABLE_SIE _IO(KVMIO, 0x06)
  457. /*
  458. * Check if a kvm extension is available. Argument is extension number,
  459. * return is 1 (yes) or 0 (no, sorry).
  460. */
  461. #define KVM_CHECK_EXTENSION _IO(KVMIO, 0x03)
  462. /*
  463. * Get size for mmap(vcpu_fd)
  464. */
  465. #define KVM_GET_VCPU_MMAP_SIZE _IO(KVMIO, 0x04) /* in bytes */
  466. #define KVM_GET_SUPPORTED_CPUID _IOWR(KVMIO, 0x05, struct kvm_cpuid2)
  467. #define KVM_TRACE_ENABLE __KVM_DEPRECATED_MAIN_W_0x06
  468. #define KVM_TRACE_PAUSE __KVM_DEPRECATED_MAIN_0x07
  469. #define KVM_TRACE_DISABLE __KVM_DEPRECATED_MAIN_0x08
  470. /*
  471. * Extension capability list.
  472. */
  473. #define KVM_CAP_IRQCHIP 0
  474. #define KVM_CAP_HLT 1
  475. #define KVM_CAP_MMU_SHADOW_CACHE_CONTROL 2
  476. #define KVM_CAP_USER_MEMORY 3
  477. #define KVM_CAP_SET_TSS_ADDR 4
  478. #define KVM_CAP_VAPIC 6
  479. #define KVM_CAP_EXT_CPUID 7
  480. #define KVM_CAP_CLOCKSOURCE 8
  481. #define KVM_CAP_NR_VCPUS 9 /* returns recommended max vcpus per vm */
  482. #define KVM_CAP_NR_MEMSLOTS 10 /* returns max memory slots per vm */
  483. #define KVM_CAP_PIT 11
  484. #define KVM_CAP_NOP_IO_DELAY 12
  485. #define KVM_CAP_PV_MMU 13
  486. #define KVM_CAP_MP_STATE 14
  487. #define KVM_CAP_COALESCED_MMIO 15
  488. #define KVM_CAP_SYNC_MMU 16 /* Changes to host mmap are reflected in guest */
  489. #ifdef __KVM_HAVE_DEVICE_ASSIGNMENT
  490. #define KVM_CAP_DEVICE_ASSIGNMENT 17
  491. #endif
  492. #define KVM_CAP_IOMMU 18
  493. #ifdef __KVM_HAVE_MSI
  494. #define KVM_CAP_DEVICE_MSI 20
  495. #endif
  496. /* Bug in KVM_SET_USER_MEMORY_REGION fixed: */
  497. #define KVM_CAP_DESTROY_MEMORY_REGION_WORKS 21
  498. #ifdef __KVM_HAVE_USER_NMI
  499. #define KVM_CAP_USER_NMI 22
  500. #endif
  501. #ifdef __KVM_HAVE_GUEST_DEBUG
  502. #define KVM_CAP_SET_GUEST_DEBUG 23
  503. #endif
  504. #ifdef __KVM_HAVE_PIT
  505. #define KVM_CAP_REINJECT_CONTROL 24
  506. #endif
  507. #ifdef __KVM_HAVE_IOAPIC
  508. #define KVM_CAP_IRQ_ROUTING 25
  509. #endif
  510. #define KVM_CAP_IRQ_INJECT_STATUS 26
  511. #ifdef __KVM_HAVE_DEVICE_ASSIGNMENT
  512. #define KVM_CAP_DEVICE_DEASSIGNMENT 27
  513. #endif
  514. #ifdef __KVM_HAVE_MSIX
  515. #define KVM_CAP_DEVICE_MSIX 28
  516. #endif
  517. #define KVM_CAP_ASSIGN_DEV_IRQ 29
  518. /* Another bug in KVM_SET_USER_MEMORY_REGION fixed: */
  519. #define KVM_CAP_JOIN_MEMORY_REGIONS_WORKS 30
  520. #ifdef __KVM_HAVE_MCE
  521. #define KVM_CAP_MCE 31
  522. #endif
  523. #define KVM_CAP_IRQFD 32
  524. #ifdef __KVM_HAVE_PIT
  525. #define KVM_CAP_PIT2 33
  526. #endif
  527. #define KVM_CAP_SET_BOOT_CPU_ID 34
  528. #ifdef __KVM_HAVE_PIT_STATE2
  529. #define KVM_CAP_PIT_STATE2 35
  530. #endif
  531. #define KVM_CAP_IOEVENTFD 36
  532. #define KVM_CAP_SET_IDENTITY_MAP_ADDR 37
  533. #ifdef __KVM_HAVE_XEN_HVM
  534. #define KVM_CAP_XEN_HVM 38
  535. #endif
  536. #define KVM_CAP_ADJUST_CLOCK 39
  537. #define KVM_CAP_INTERNAL_ERROR_DATA 40
  538. #ifdef __KVM_HAVE_VCPU_EVENTS
  539. #define KVM_CAP_VCPU_EVENTS 41
  540. #endif
  541. #define KVM_CAP_S390_PSW 42
  542. #define KVM_CAP_PPC_SEGSTATE 43
  543. #define KVM_CAP_HYPERV 44
  544. #define KVM_CAP_HYPERV_VAPIC 45
  545. #define KVM_CAP_HYPERV_SPIN 46
  546. #define KVM_CAP_PCI_SEGMENT 47
  547. #define KVM_CAP_PPC_PAIRED_SINGLES 48
  548. #define KVM_CAP_INTR_SHADOW 49
  549. #ifdef __KVM_HAVE_DEBUGREGS
  550. #define KVM_CAP_DEBUGREGS 50
  551. #endif
  552. #define KVM_CAP_X86_ROBUST_SINGLESTEP 51
  553. #define KVM_CAP_PPC_OSI 52
  554. #define KVM_CAP_PPC_UNSET_IRQ 53
  555. #define KVM_CAP_ENABLE_CAP 54
  556. #ifdef __KVM_HAVE_XSAVE
  557. #define KVM_CAP_XSAVE 55
  558. #endif
  559. #ifdef __KVM_HAVE_XCRS
  560. #define KVM_CAP_XCRS 56
  561. #endif
  562. #define KVM_CAP_PPC_GET_PVINFO 57
  563. #define KVM_CAP_PPC_IRQ_LEVEL 58
  564. #define KVM_CAP_ASYNC_PF 59
  565. #define KVM_CAP_TSC_CONTROL 60
  566. #define KVM_CAP_GET_TSC_KHZ 61
  567. #define KVM_CAP_PPC_BOOKE_SREGS 62
  568. #define KVM_CAP_SPAPR_TCE 63
  569. #define KVM_CAP_PPC_SMT 64
  570. #define KVM_CAP_PPC_RMA 65
  571. #define KVM_CAP_MAX_VCPUS 66 /* returns max vcpus per vm */
  572. #define KVM_CAP_PPC_HIOR 67
  573. #define KVM_CAP_PPC_PAPR 68
  574. #define KVM_CAP_SW_TLB 69
  575. #define KVM_CAP_ONE_REG 70
  576. #define KVM_CAP_S390_GMAP 71
  577. #define KVM_CAP_TSC_DEADLINE_TIMER 72
  578. #define KVM_CAP_S390_UCONTROL 73
  579. #define KVM_CAP_SYNC_REGS 74
  580. #define KVM_CAP_PCI_2_3 75
  581. #define KVM_CAP_KVMCLOCK_CTRL 76
  582. #define KVM_CAP_SIGNAL_MSI 77
  583. #define KVM_CAP_PPC_GET_SMMU_INFO 78
  584. #define KVM_CAP_S390_COW 79
  585. #define KVM_CAP_PPC_ALLOC_HTAB 80
  586. #ifdef __KVM_HAVE_READONLY_MEM
  587. #define KVM_CAP_READONLY_MEM 81
  588. #endif
  589. #define KVM_CAP_IRQFD_RESAMPLE 82
  590. #define KVM_CAP_PPC_BOOKE_WATCHDOG 83
  591. #define KVM_CAP_PPC_HTAB_FD 84
  592. #define KVM_CAP_S390_CSS_SUPPORT 85
  593. #define KVM_CAP_PPC_EPR 86
  594. #define KVM_CAP_ARM_PSCI 87
  595. #define KVM_CAP_ARM_SET_DEVICE_ADDR 88
  596. #ifdef KVM_CAP_IRQ_ROUTING
  597. struct kvm_irq_routing_irqchip {
  598. __u32 irqchip;
  599. __u32 pin;
  600. };
  601. struct kvm_irq_routing_msi {
  602. __u32 address_lo;
  603. __u32 address_hi;
  604. __u32 data;
  605. __u32 pad;
  606. };
  607. /* gsi routing entry types */
  608. #define KVM_IRQ_ROUTING_IRQCHIP 1
  609. #define KVM_IRQ_ROUTING_MSI 2
  610. struct kvm_irq_routing_entry {
  611. __u32 gsi;
  612. __u32 type;
  613. __u32 flags;
  614. __u32 pad;
  615. union {
  616. struct kvm_irq_routing_irqchip irqchip;
  617. struct kvm_irq_routing_msi msi;
  618. __u32 pad[8];
  619. } u;
  620. };
  621. struct kvm_irq_routing {
  622. __u32 nr;
  623. __u32 flags;
  624. struct kvm_irq_routing_entry entries[0];
  625. };
  626. #endif
  627. #ifdef KVM_CAP_MCE
  628. /* x86 MCE */
  629. struct kvm_x86_mce {
  630. __u64 status;
  631. __u64 addr;
  632. __u64 misc;
  633. __u64 mcg_status;
  634. __u8 bank;
  635. __u8 pad1[7];
  636. __u64 pad2[3];
  637. };
  638. #endif
  639. #ifdef KVM_CAP_XEN_HVM
  640. struct kvm_xen_hvm_config {
  641. __u32 flags;
  642. __u32 msr;
  643. __u64 blob_addr_32;
  644. __u64 blob_addr_64;
  645. __u8 blob_size_32;
  646. __u8 blob_size_64;
  647. __u8 pad2[30];
  648. };
  649. #endif
  650. #define KVM_IRQFD_FLAG_DEASSIGN (1 << 0)
  651. /*
  652. * Available with KVM_CAP_IRQFD_RESAMPLE
  653. *
  654. * KVM_IRQFD_FLAG_RESAMPLE indicates resamplefd is valid and specifies
  655. * the irqfd to operate in resampling mode for level triggered interrupt
  656. * emlation. See Documentation/virtual/kvm/api.txt.
  657. */
  658. #define KVM_IRQFD_FLAG_RESAMPLE (1 << 1)
  659. struct kvm_irqfd {
  660. __u32 fd;
  661. __u32 gsi;
  662. __u32 flags;
  663. __u32 resamplefd;
  664. __u8 pad[16];
  665. };
  666. struct kvm_clock_data {
  667. __u64 clock;
  668. __u32 flags;
  669. __u32 pad[9];
  670. };
  671. #define KVM_MMU_FSL_BOOKE_NOHV 0
  672. #define KVM_MMU_FSL_BOOKE_HV 1
  673. struct kvm_config_tlb {
  674. __u64 params;
  675. __u64 array;
  676. __u32 mmu_type;
  677. __u32 array_len;
  678. };
  679. struct kvm_dirty_tlb {
  680. __u64 bitmap;
  681. __u32 num_dirty;
  682. };
  683. /* Available with KVM_CAP_ONE_REG */
  684. #define KVM_REG_ARCH_MASK 0xff00000000000000ULL
  685. #define KVM_REG_GENERIC 0x0000000000000000ULL
  686. /*
  687. * Architecture specific registers are to be defined in arch headers and
  688. * ORed with the arch identifier.
  689. */
  690. #define KVM_REG_PPC 0x1000000000000000ULL
  691. #define KVM_REG_X86 0x2000000000000000ULL
  692. #define KVM_REG_IA64 0x3000000000000000ULL
  693. #define KVM_REG_ARM 0x4000000000000000ULL
  694. #define KVM_REG_S390 0x5000000000000000ULL
  695. #define KVM_REG_SIZE_SHIFT 52
  696. #define KVM_REG_SIZE_MASK 0x00f0000000000000ULL
  697. #define KVM_REG_SIZE_U8 0x0000000000000000ULL
  698. #define KVM_REG_SIZE_U16 0x0010000000000000ULL
  699. #define KVM_REG_SIZE_U32 0x0020000000000000ULL
  700. #define KVM_REG_SIZE_U64 0x0030000000000000ULL
  701. #define KVM_REG_SIZE_U128 0x0040000000000000ULL
  702. #define KVM_REG_SIZE_U256 0x0050000000000000ULL
  703. #define KVM_REG_SIZE_U512 0x0060000000000000ULL
  704. #define KVM_REG_SIZE_U1024 0x0070000000000000ULL
  705. struct kvm_reg_list {
  706. __u64 n; /* number of regs */
  707. __u64 reg[0];
  708. };
  709. struct kvm_one_reg {
  710. __u64 id;
  711. __u64 addr;
  712. };
  713. struct kvm_msi {
  714. __u32 address_lo;
  715. __u32 address_hi;
  716. __u32 data;
  717. __u32 flags;
  718. __u8 pad[16];
  719. };
  720. struct kvm_arm_device_addr {
  721. __u64 id;
  722. __u64 addr;
  723. };
  724. /*
  725. * ioctls for VM fds
  726. */
  727. #define KVM_SET_MEMORY_REGION _IOW(KVMIO, 0x40, struct kvm_memory_region)
  728. /*
  729. * KVM_CREATE_VCPU receives as a parameter the vcpu slot, and returns
  730. * a vcpu fd.
  731. */
  732. #define KVM_CREATE_VCPU _IO(KVMIO, 0x41)
  733. #define KVM_GET_DIRTY_LOG _IOW(KVMIO, 0x42, struct kvm_dirty_log)
  734. /* KVM_SET_MEMORY_ALIAS is obsolete: */
  735. #define KVM_SET_MEMORY_ALIAS _IOW(KVMIO, 0x43, struct kvm_memory_alias)
  736. #define KVM_SET_NR_MMU_PAGES _IO(KVMIO, 0x44)
  737. #define KVM_GET_NR_MMU_PAGES _IO(KVMIO, 0x45)
  738. #define KVM_SET_USER_MEMORY_REGION _IOW(KVMIO, 0x46, \
  739. struct kvm_userspace_memory_region)
  740. #define KVM_SET_TSS_ADDR _IO(KVMIO, 0x47)
  741. #define KVM_SET_IDENTITY_MAP_ADDR _IOW(KVMIO, 0x48, __u64)
  742. /* enable ucontrol for s390 */
  743. struct kvm_s390_ucas_mapping {
  744. __u64 user_addr;
  745. __u64 vcpu_addr;
  746. __u64 length;
  747. };
  748. #define KVM_S390_UCAS_MAP _IOW(KVMIO, 0x50, struct kvm_s390_ucas_mapping)
  749. #define KVM_S390_UCAS_UNMAP _IOW(KVMIO, 0x51, struct kvm_s390_ucas_mapping)
  750. #define KVM_S390_VCPU_FAULT _IOW(KVMIO, 0x52, unsigned long)
  751. /* Device model IOC */
  752. #define KVM_CREATE_IRQCHIP _IO(KVMIO, 0x60)
  753. #define KVM_IRQ_LINE _IOW(KVMIO, 0x61, struct kvm_irq_level)
  754. #define KVM_GET_IRQCHIP _IOWR(KVMIO, 0x62, struct kvm_irqchip)
  755. #define KVM_SET_IRQCHIP _IOR(KVMIO, 0x63, struct kvm_irqchip)
  756. #define KVM_CREATE_PIT _IO(KVMIO, 0x64)
  757. #define KVM_GET_PIT _IOWR(KVMIO, 0x65, struct kvm_pit_state)
  758. #define KVM_SET_PIT _IOR(KVMIO, 0x66, struct kvm_pit_state)
  759. #define KVM_IRQ_LINE_STATUS _IOWR(KVMIO, 0x67, struct kvm_irq_level)
  760. #define KVM_REGISTER_COALESCED_MMIO \
  761. _IOW(KVMIO, 0x67, struct kvm_coalesced_mmio_zone)
  762. #define KVM_UNREGISTER_COALESCED_MMIO \
  763. _IOW(KVMIO, 0x68, struct kvm_coalesced_mmio_zone)
  764. #define KVM_ASSIGN_PCI_DEVICE _IOR(KVMIO, 0x69, \
  765. struct kvm_assigned_pci_dev)
  766. #define KVM_SET_GSI_ROUTING _IOW(KVMIO, 0x6a, struct kvm_irq_routing)
  767. /* deprecated, replaced by KVM_ASSIGN_DEV_IRQ */
  768. #define KVM_ASSIGN_IRQ __KVM_DEPRECATED_VM_R_0x70
  769. #define KVM_ASSIGN_DEV_IRQ _IOW(KVMIO, 0x70, struct kvm_assigned_irq)
  770. #define KVM_REINJECT_CONTROL _IO(KVMIO, 0x71)
  771. #define KVM_DEASSIGN_PCI_DEVICE _IOW(KVMIO, 0x72, \
  772. struct kvm_assigned_pci_dev)
  773. #define KVM_ASSIGN_SET_MSIX_NR _IOW(KVMIO, 0x73, \
  774. struct kvm_assigned_msix_nr)
  775. #define KVM_ASSIGN_SET_MSIX_ENTRY _IOW(KVMIO, 0x74, \
  776. struct kvm_assigned_msix_entry)
  777. #define KVM_DEASSIGN_DEV_IRQ _IOW(KVMIO, 0x75, struct kvm_assigned_irq)
  778. #define KVM_IRQFD _IOW(KVMIO, 0x76, struct kvm_irqfd)
  779. #define KVM_CREATE_PIT2 _IOW(KVMIO, 0x77, struct kvm_pit_config)
  780. #define KVM_SET_BOOT_CPU_ID _IO(KVMIO, 0x78)
  781. #define KVM_IOEVENTFD _IOW(KVMIO, 0x79, struct kvm_ioeventfd)
  782. #define KVM_XEN_HVM_CONFIG _IOW(KVMIO, 0x7a, struct kvm_xen_hvm_config)
  783. #define KVM_SET_CLOCK _IOW(KVMIO, 0x7b, struct kvm_clock_data)
  784. #define KVM_GET_CLOCK _IOR(KVMIO, 0x7c, struct kvm_clock_data)
  785. /* Available with KVM_CAP_PIT_STATE2 */
  786. #define KVM_GET_PIT2 _IOR(KVMIO, 0x9f, struct kvm_pit_state2)
  787. #define KVM_SET_PIT2 _IOW(KVMIO, 0xa0, struct kvm_pit_state2)
  788. /* Available with KVM_CAP_PPC_GET_PVINFO */
  789. #define KVM_PPC_GET_PVINFO _IOW(KVMIO, 0xa1, struct kvm_ppc_pvinfo)
  790. /* Available with KVM_CAP_TSC_CONTROL */
  791. #define KVM_SET_TSC_KHZ _IO(KVMIO, 0xa2)
  792. #define KVM_GET_TSC_KHZ _IO(KVMIO, 0xa3)
  793. /* Available with KVM_CAP_PCI_2_3 */
  794. #define KVM_ASSIGN_SET_INTX_MASK _IOW(KVMIO, 0xa4, \
  795. struct kvm_assigned_pci_dev)
  796. /* Available with KVM_CAP_SIGNAL_MSI */
  797. #define KVM_SIGNAL_MSI _IOW(KVMIO, 0xa5, struct kvm_msi)
  798. /* Available with KVM_CAP_PPC_GET_SMMU_INFO */
  799. #define KVM_PPC_GET_SMMU_INFO _IOR(KVMIO, 0xa6, struct kvm_ppc_smmu_info)
  800. /* Available with KVM_CAP_PPC_ALLOC_HTAB */
  801. #define KVM_PPC_ALLOCATE_HTAB _IOWR(KVMIO, 0xa7, __u32)
  802. #define KVM_CREATE_SPAPR_TCE _IOW(KVMIO, 0xa8, struct kvm_create_spapr_tce)
  803. /* Available with KVM_CAP_RMA */
  804. #define KVM_ALLOCATE_RMA _IOR(KVMIO, 0xa9, struct kvm_allocate_rma)
  805. /* Available with KVM_CAP_PPC_HTAB_FD */
  806. #define KVM_PPC_GET_HTAB_FD _IOW(KVMIO, 0xaa, struct kvm_get_htab_fd)
  807. /* Available with KVM_CAP_ARM_SET_DEVICE_ADDR */
  808. #define KVM_ARM_SET_DEVICE_ADDR _IOW(KVMIO, 0xab, struct kvm_arm_device_addr)
  809. /*
  810. * ioctls for vcpu fds
  811. */
  812. #define KVM_RUN _IO(KVMIO, 0x80)
  813. #define KVM_GET_REGS _IOR(KVMIO, 0x81, struct kvm_regs)
  814. #define KVM_SET_REGS _IOW(KVMIO, 0x82, struct kvm_regs)
  815. #define KVM_GET_SREGS _IOR(KVMIO, 0x83, struct kvm_sregs)
  816. #define KVM_SET_SREGS _IOW(KVMIO, 0x84, struct kvm_sregs)
  817. #define KVM_TRANSLATE _IOWR(KVMIO, 0x85, struct kvm_translation)
  818. #define KVM_INTERRUPT _IOW(KVMIO, 0x86, struct kvm_interrupt)
  819. /* KVM_DEBUG_GUEST is no longer supported, use KVM_SET_GUEST_DEBUG instead */
  820. #define KVM_DEBUG_GUEST __KVM_DEPRECATED_VCPU_W_0x87
  821. #define KVM_GET_MSRS _IOWR(KVMIO, 0x88, struct kvm_msrs)
  822. #define KVM_SET_MSRS _IOW(KVMIO, 0x89, struct kvm_msrs)
  823. #define KVM_SET_CPUID _IOW(KVMIO, 0x8a, struct kvm_cpuid)
  824. #define KVM_SET_SIGNAL_MASK _IOW(KVMIO, 0x8b, struct kvm_signal_mask)
  825. #define KVM_GET_FPU _IOR(KVMIO, 0x8c, struct kvm_fpu)
  826. #define KVM_SET_FPU _IOW(KVMIO, 0x8d, struct kvm_fpu)
  827. #define KVM_GET_LAPIC _IOR(KVMIO, 0x8e, struct kvm_lapic_state)
  828. #define KVM_SET_LAPIC _IOW(KVMIO, 0x8f, struct kvm_lapic_state)
  829. #define KVM_SET_CPUID2 _IOW(KVMIO, 0x90, struct kvm_cpuid2)
  830. #define KVM_GET_CPUID2 _IOWR(KVMIO, 0x91, struct kvm_cpuid2)
  831. /* Available with KVM_CAP_VAPIC */
  832. #define KVM_TPR_ACCESS_REPORTING _IOWR(KVMIO, 0x92, struct kvm_tpr_access_ctl)
  833. /* Available with KVM_CAP_VAPIC */
  834. #define KVM_SET_VAPIC_ADDR _IOW(KVMIO, 0x93, struct kvm_vapic_addr)
  835. /* valid for virtual machine (for floating interrupt)_and_ vcpu */
  836. #define KVM_S390_INTERRUPT _IOW(KVMIO, 0x94, struct kvm_s390_interrupt)
  837. /* store status for s390 */
  838. #define KVM_S390_STORE_STATUS_NOADDR (-1ul)
  839. #define KVM_S390_STORE_STATUS_PREFIXED (-2ul)
  840. #define KVM_S390_STORE_STATUS _IOW(KVMIO, 0x95, unsigned long)
  841. /* initial ipl psw for s390 */
  842. #define KVM_S390_SET_INITIAL_PSW _IOW(KVMIO, 0x96, struct kvm_s390_psw)
  843. /* initial reset for s390 */
  844. #define KVM_S390_INITIAL_RESET _IO(KVMIO, 0x97)
  845. #define KVM_GET_MP_STATE _IOR(KVMIO, 0x98, struct kvm_mp_state)
  846. #define KVM_SET_MP_STATE _IOW(KVMIO, 0x99, struct kvm_mp_state)
  847. /* Available with KVM_CAP_NMI */
  848. #define KVM_NMI _IO(KVMIO, 0x9a)
  849. /* Available with KVM_CAP_SET_GUEST_DEBUG */
  850. #define KVM_SET_GUEST_DEBUG _IOW(KVMIO, 0x9b, struct kvm_guest_debug)
  851. /* MCE for x86 */
  852. #define KVM_X86_SETUP_MCE _IOW(KVMIO, 0x9c, __u64)
  853. #define KVM_X86_GET_MCE_CAP_SUPPORTED _IOR(KVMIO, 0x9d, __u64)
  854. #define KVM_X86_SET_MCE _IOW(KVMIO, 0x9e, struct kvm_x86_mce)
  855. /* IA64 stack access */
  856. #define KVM_IA64_VCPU_GET_STACK _IOR(KVMIO, 0x9a, void *)
  857. #define KVM_IA64_VCPU_SET_STACK _IOW(KVMIO, 0x9b, void *)
  858. /* Available with KVM_CAP_VCPU_EVENTS */
  859. #define KVM_GET_VCPU_EVENTS _IOR(KVMIO, 0x9f, struct kvm_vcpu_events)
  860. #define KVM_SET_VCPU_EVENTS _IOW(KVMIO, 0xa0, struct kvm_vcpu_events)
  861. /* Available with KVM_CAP_DEBUGREGS */
  862. #define KVM_GET_DEBUGREGS _IOR(KVMIO, 0xa1, struct kvm_debugregs)
  863. #define KVM_SET_DEBUGREGS _IOW(KVMIO, 0xa2, struct kvm_debugregs)
  864. #define KVM_ENABLE_CAP _IOW(KVMIO, 0xa3, struct kvm_enable_cap)
  865. /* Available with KVM_CAP_XSAVE */
  866. #define KVM_GET_XSAVE _IOR(KVMIO, 0xa4, struct kvm_xsave)
  867. #define KVM_SET_XSAVE _IOW(KVMIO, 0xa5, struct kvm_xsave)
  868. /* Available with KVM_CAP_XCRS */
  869. #define KVM_GET_XCRS _IOR(KVMIO, 0xa6, struct kvm_xcrs)
  870. #define KVM_SET_XCRS _IOW(KVMIO, 0xa7, struct kvm_xcrs)
  871. /* Available with KVM_CAP_SW_TLB */
  872. #define KVM_DIRTY_TLB _IOW(KVMIO, 0xaa, struct kvm_dirty_tlb)
  873. /* Available with KVM_CAP_ONE_REG */
  874. #define KVM_GET_ONE_REG _IOW(KVMIO, 0xab, struct kvm_one_reg)
  875. #define KVM_SET_ONE_REG _IOW(KVMIO, 0xac, struct kvm_one_reg)
  876. /* VM is being stopped by host */
  877. #define KVM_KVMCLOCK_CTRL _IO(KVMIO, 0xad)
  878. #define KVM_ARM_VCPU_INIT _IOW(KVMIO, 0xae, struct kvm_vcpu_init)
  879. #define KVM_GET_REG_LIST _IOWR(KVMIO, 0xb0, struct kvm_reg_list)
  880. #define KVM_DEV_ASSIGN_ENABLE_IOMMU (1 << 0)
  881. #define KVM_DEV_ASSIGN_PCI_2_3 (1 << 1)
  882. #define KVM_DEV_ASSIGN_MASK_INTX (1 << 2)
  883. struct kvm_assigned_pci_dev {
  884. __u32 assigned_dev_id;
  885. __u32 busnr;
  886. __u32 devfn;
  887. __u32 flags;
  888. __u32 segnr;
  889. union {
  890. __u32 reserved[11];
  891. };
  892. };
  893. #define KVM_DEV_IRQ_HOST_INTX (1 << 0)
  894. #define KVM_DEV_IRQ_HOST_MSI (1 << 1)
  895. #define KVM_DEV_IRQ_HOST_MSIX (1 << 2)
  896. #define KVM_DEV_IRQ_GUEST_INTX (1 << 8)
  897. #define KVM_DEV_IRQ_GUEST_MSI (1 << 9)
  898. #define KVM_DEV_IRQ_GUEST_MSIX (1 << 10)
  899. #define KVM_DEV_IRQ_HOST_MASK 0x00ff
  900. #define KVM_DEV_IRQ_GUEST_MASK 0xff00
  901. struct kvm_assigned_irq {
  902. __u32 assigned_dev_id;
  903. __u32 host_irq; /* ignored (legacy field) */
  904. __u32 guest_irq;
  905. __u32 flags;
  906. union {
  907. __u32 reserved[12];
  908. };
  909. };
  910. struct kvm_assigned_msix_nr {
  911. __u32 assigned_dev_id;
  912. __u16 entry_nr;
  913. __u16 padding;
  914. };
  915. #define KVM_MAX_MSIX_PER_DEV 256
  916. struct kvm_assigned_msix_entry {
  917. __u32 assigned_dev_id;
  918. __u32 gsi;
  919. __u16 entry; /* The index of entry in the MSI-X table */
  920. __u16 padding[3];
  921. };
  922. #endif /* __LINUX_KVM_H */