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Compiled tree of Oasis Linux based on own branch at <https://hacktivis.me/git/oasis/> git clone https://anongit.hacktivis.me/git/oasis-root.git

kvm.h (49049B)

    

  1. /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
  2. #ifndef __LINUX_KVM_H
  3. #define __LINUX_KVM_H
  5. /*
  6.  * Userspace interface for /dev/kvm - kernel based virtual machine
  7.  *
  8.  * Note: you must update KVM_API_VERSION if you change this interface.
  9.  */
  11. #include <linux/const.h>
  12. #include <linux/types.h>
  14. #include <linux/ioctl.h>
  15. #include <asm/kvm.h>
  17. #define KVM_API_VERSION 12
  19. /*
  20.  * Backwards-compatible definitions.
  21.  */
  22. #define __KVM_HAVE_GUEST_DEBUG
  24. /* for KVM_SET_USER_MEMORY_REGION */
  25. struct kvm_userspace_memory_region {
  26. 	__u32 slot;
  27. 	__u32 flags;
  28. 	__u64 guest_phys_addr;
  29. 	__u64 memory_size; /* bytes */
  30. 	__u64 userspace_addr; /* start of the userspace allocated memory */
  31. };
  33. /* for KVM_SET_USER_MEMORY_REGION2 */
  34. struct kvm_userspace_memory_region2 {
  35. 	__u32 slot;
  36. 	__u32 flags;
  37. 	__u64 guest_phys_addr;
  38. 	__u64 memory_size;
  39. 	__u64 userspace_addr;
  40. 	__u64 guest_memfd_offset;
  41. 	__u32 guest_memfd;
  42. 	__u32 pad1;
  43. 	__u64 pad2[14];
  44. };
  46. /*
  47.  * The bit 0 ~ bit 15 of kvm_userspace_memory_region::flags are visible for
  48.  * userspace, other bits are reserved for kvm internal use which are defined
  49.  * in include/linux/kvm_host.h.
  50.  */
  51. #define KVM_MEM_LOG_DIRTY_PAGES	(1UL << 0)
  52. #define KVM_MEM_READONLY	(1UL << 1)
  53. #define KVM_MEM_GUEST_MEMFD	(1UL << 2)
  55. /* for KVM_IRQ_LINE */
  56. struct kvm_irq_level {
  57. 	/*
  58. 	 * ACPI gsi notion of irq.
  59. 	 * For IA-64 (APIC model) IOAPIC0: irq 0-23; IOAPIC1: irq 24-47..
  60. 	 * For X86 (standard AT mode) PIC0/1: irq 0-15. IOAPIC0: 0-23..
  61. 	 * For ARM: See Documentation/virt/kvm/api.rst
  62. 	 */
  63. 	union {
  64. 		__u32 irq;
  65. 		__s32 status;
  66. 	};
  67. 	__u32 level;
  68. };
  71. struct kvm_irqchip {
  72. 	__u32 chip_id;
  73. 	__u32 pad;
  74.         union {
  75. 		char dummy[512];  /* reserving space */
  76. #ifdef __KVM_HAVE_PIT
  77. 		struct kvm_pic_state pic;
  78. #endif
  79. #ifdef __KVM_HAVE_IOAPIC
  80. 		struct kvm_ioapic_state ioapic;
  81. #endif
  82. 	} chip;
  83. };
  85. /* for KVM_CREATE_PIT2 */
  86. struct kvm_pit_config {
  87. 	__u32 flags;
  88. 	__u32 pad[15];
  89. };
  91. #define KVM_PIT_SPEAKER_DUMMY     1
  93. struct kvm_hyperv_exit {
  94. #define KVM_EXIT_HYPERV_SYNIC          1
  95. #define KVM_EXIT_HYPERV_HCALL          2
  96. #define KVM_EXIT_HYPERV_SYNDBG         3
  97. 	__u32 type;
  98. 	__u32 pad1;
  99. 	union {
  100. 		struct {
  101. 			__u32 msr;
  102. 			__u32 pad2;
  103. 			__u64 control;
  104. 			__u64 evt_page;
  105. 			__u64 msg_page;
  106. 		} synic;
  107. 		struct {
  108. 			__u64 input;
  109. 			__u64 result;
  110. 			__u64 params[2];
  111. 		} hcall;
  112. 		struct {
  113. 			__u32 msr;
  114. 			__u32 pad2;
  115. 			__u64 control;
  116. 			__u64 status;
  117. 			__u64 send_page;
  118. 			__u64 recv_page;
  119. 			__u64 pending_page;
  120. 		} syndbg;
  121. 	} u;
  122. };
  124. struct kvm_xen_exit {
  125. #define KVM_EXIT_XEN_HCALL          1
  126. 	__u32 type;
  127. 	union {
  128. 		struct {
  129. 			__u32 longmode;
  130. 			__u32 cpl;
  131. 			__u64 input;
  132. 			__u64 result;
  133. 			__u64 params[6];
  134. 		} hcall;
  135. 	} u;
  136. };
  138. #define KVM_S390_GET_SKEYS_NONE   1
  139. #define KVM_S390_SKEYS_MAX        1048576
  141. #define KVM_EXIT_UNKNOWN          0
  142. #define KVM_EXIT_EXCEPTION        1
  143. #define KVM_EXIT_IO               2
  144. #define KVM_EXIT_HYPERCALL        3
  145. #define KVM_EXIT_DEBUG            4
  146. #define KVM_EXIT_HLT              5
  147. #define KVM_EXIT_MMIO             6
  148. #define KVM_EXIT_IRQ_WINDOW_OPEN  7
  149. #define KVM_EXIT_SHUTDOWN         8
  150. #define KVM_EXIT_FAIL_ENTRY       9
  151. #define KVM_EXIT_INTR             10
  152. #define KVM_EXIT_SET_TPR          11
  153. #define KVM_EXIT_TPR_ACCESS       12
  154. #define KVM_EXIT_S390_SIEIC       13
  155. #define KVM_EXIT_S390_RESET       14
  156. #define KVM_EXIT_DCR              15 /* deprecated */
  157. #define KVM_EXIT_NMI              16
  158. #define KVM_EXIT_INTERNAL_ERROR   17
  159. #define KVM_EXIT_OSI              18
  160. #define KVM_EXIT_PAPR_HCALL	  19
  161. #define KVM_EXIT_S390_UCONTROL	  20
  162. #define KVM_EXIT_WATCHDOG         21
  163. #define KVM_EXIT_S390_TSCH        22
  164. #define KVM_EXIT_EPR              23
  165. #define KVM_EXIT_SYSTEM_EVENT     24
  166. #define KVM_EXIT_S390_STSI        25
  167. #define KVM_EXIT_IOAPIC_EOI       26
  168. #define KVM_EXIT_HYPERV           27
  169. #define KVM_EXIT_ARM_NISV         28
  170. #define KVM_EXIT_X86_RDMSR        29
  171. #define KVM_EXIT_X86_WRMSR        30
  172. #define KVM_EXIT_DIRTY_RING_FULL  31
  173. #define KVM_EXIT_AP_RESET_HOLD    32
  174. #define KVM_EXIT_X86_BUS_LOCK     33
  175. #define KVM_EXIT_XEN              34
  176. #define KVM_EXIT_RISCV_SBI        35
  177. #define KVM_EXIT_RISCV_CSR        36
  178. #define KVM_EXIT_NOTIFY           37
  179. #define KVM_EXIT_LOONGARCH_IOCSR  38
  180. #define KVM_EXIT_MEMORY_FAULT     39
  182. /* For KVM_EXIT_INTERNAL_ERROR */
  183. /* Emulate instruction failed. */
  184. #define KVM_INTERNAL_ERROR_EMULATION	1
  185. /* Encounter unexpected simultaneous exceptions. */
  186. #define KVM_INTERNAL_ERROR_SIMUL_EX	2
  187. /* Encounter unexpected vm-exit due to delivery event. */
  188. #define KVM_INTERNAL_ERROR_DELIVERY_EV	3
  189. /* Encounter unexpected vm-exit reason */
  190. #define KVM_INTERNAL_ERROR_UNEXPECTED_EXIT_REASON	4
  192. /* Flags that describe what fields in emulation_failure hold valid data. */
  193. #define KVM_INTERNAL_ERROR_EMULATION_FLAG_INSTRUCTION_BYTES (1ULL << 0)
  195. /*
  196.  * struct kvm_run can be modified by userspace at any time, so KVM must be
  197.  * careful to avoid TOCTOU bugs. In order to protect KVM, HINT_UNSAFE_IN_KVM()
  198.  * renames fields in struct kvm_run from <symbol> to <symbol>__unsafe when
  199.  * compiled into the kernel, ensuring that any use within KVM is obvious and
  200.  * gets extra scrutiny.
  201.  */
  202. #define HINT_UNSAFE_IN_KVM(_symbol) _symbol
  204. /* for KVM_RUN, returned by mmap(vcpu_fd, offset=0) */
  205. struct kvm_run {
  206. 	/* in */
  207. 	__u8 request_interrupt_window;
  208. 	__u8 HINT_UNSAFE_IN_KVM(immediate_exit);
  209. 	__u8 padding1[6];
  211. 	/* out */
  212. 	__u32 exit_reason;
  213. 	__u8 ready_for_interrupt_injection;
  214. 	__u8 if_flag;
  215. 	__u16 flags;
  217. 	/* in (pre_kvm_run), out (post_kvm_run) */
  218. 	__u64 cr8;
  219. 	__u64 apic_base;
  221. #ifdef __KVM_S390
  222. 	/* the processor status word for s390 */
  223. 	__u64 psw_mask; /* psw upper half */
  224. 	__u64 psw_addr; /* psw lower half */
  225. #endif
  226. 	union {
  227. 		/* KVM_EXIT_UNKNOWN */
  228. 		struct {
  229. 			__u64 hardware_exit_reason;
  230. 		} hw;
  231. 		/* KVM_EXIT_FAIL_ENTRY */
  232. 		struct {
  233. 			__u64 hardware_entry_failure_reason;
  234. 			__u32 cpu;
  235. 		} fail_entry;
  236. 		/* KVM_EXIT_EXCEPTION */
  237. 		struct {
  238. 			__u32 exception;
  239. 			__u32 error_code;
  240. 		} ex;
  241. 		/* KVM_EXIT_IO */
  242. 		struct {
  243. #define KVM_EXIT_IO_IN  0
  244. #define KVM_EXIT_IO_OUT 1
  245. 			__u8 direction;
  246. 			__u8 size; /* bytes */
  247. 			__u16 port;
  248. 			__u32 count;
  249. 			__u64 data_offset; /* relative to kvm_run start */
  250. 		} io;
  251. 		/* KVM_EXIT_DEBUG */
  252. 		struct {
  253. 			struct kvm_debug_exit_arch arch;
  254. 		} debug;
  255. 		/* KVM_EXIT_MMIO */
  256. 		struct {
  257. 			__u64 phys_addr;
  258. 			__u8  data[8];
  259. 			__u32 len;
  260. 			__u8  is_write;
  261. 		} mmio;
  262. 		/* KVM_EXIT_LOONGARCH_IOCSR */
  263. 		struct {
  264. 			__u64 phys_addr;
  265. 			__u8  data[8];
  266. 			__u32 len;
  267. 			__u8  is_write;
  268. 		} iocsr_io;
  269. 		/* KVM_EXIT_HYPERCALL */
  270. 		struct {
  271. 			__u64 nr;
  272. 			__u64 args[6];
  273. 			__u64 ret;
  275. 			union {
  276. 				__u32 longmode;
  277. 				__u64 flags;
  278. 			};
  279. 		} hypercall;
  280. 		/* KVM_EXIT_TPR_ACCESS */
  281. 		struct {
  282. 			__u64 rip;
  283. 			__u32 is_write;
  284. 			__u32 pad;
  285. 		} tpr_access;
  286. 		/* KVM_EXIT_S390_SIEIC */
  287. 		struct {
  288. 			__u8 icptcode;
  289. 			__u16 ipa;
  290. 			__u32 ipb;
  291. 		} s390_sieic;
  292. 		/* KVM_EXIT_S390_RESET */
  293. 		__u64 s390_reset_flags;
  294. 		/* KVM_EXIT_S390_UCONTROL */
  295. 		struct {
  296. 			__u64 trans_exc_code;
  297. 			__u32 pgm_code;
  298. 		} s390_ucontrol;
  299. 		/* KVM_EXIT_DCR (deprecated) */
  300. 		struct {
  301. 			__u32 dcrn;
  302. 			__u32 data;
  303. 			__u8  is_write;
  304. 		} dcr;
  305. 		/* KVM_EXIT_INTERNAL_ERROR */
  306. 		struct {
  307. 			__u32 suberror;
  308. 			/* Available with KVM_CAP_INTERNAL_ERROR_DATA: */
  309. 			__u32 ndata;
  310. 			__u64 data[16];
  311. 		} internal;
  312. 		/*
  313. 		 * KVM_INTERNAL_ERROR_EMULATION
  314. 		 *
  315. 		 * "struct emulation_failure" is an overlay of "struct internal"
  316. 		 * that is used for the KVM_INTERNAL_ERROR_EMULATION sub-type of
  317. 		 * KVM_EXIT_INTERNAL_ERROR.  Note, unlike other internal error
  318. 		 * sub-types, this struct is ABI!  It also needs to be backwards
  319. 		 * compatible with "struct internal".  Take special care that
  320. 		 * "ndata" is correct, that new fields are enumerated in "flags",
  321. 		 * and that each flag enumerates fields that are 64-bit aligned
  322. 		 * and sized (so that ndata+internal.data[] is valid/accurate).
  323. 		 *
  324. 		 * Space beyond the defined fields may be used to store arbitrary
  325. 		 * debug information relating to the emulation failure. It is
  326. 		 * accounted for in "ndata" but the format is unspecified and is
  327. 		 * not represented in "flags". Any such information is *not* ABI!
  328. 		 */
  329. 		struct {
  330. 			__u32 suberror;
  331. 			__u32 ndata;
  332. 			__u64 flags;
  333. 			union {
  334. 				struct {
  335. 					__u8  insn_size;
  336. 					__u8  insn_bytes[15];
  337. 				};
  338. 			};
  339. 			/* Arbitrary debug data may follow. */
  340. 		} emulation_failure;
  341. 		/* KVM_EXIT_OSI */
  342. 		struct {
  343. 			__u64 gprs[32];
  344. 		} osi;
  345. 		/* KVM_EXIT_PAPR_HCALL */
  346. 		struct {
  347. 			__u64 nr;
  348. 			__u64 ret;
  349. 			__u64 args[9];
  350. 		} papr_hcall;
  351. 		/* KVM_EXIT_S390_TSCH */
  352. 		struct {
  353. 			__u16 subchannel_id;
  354. 			__u16 subchannel_nr;
  355. 			__u32 io_int_parm;
  356. 			__u32 io_int_word;
  357. 			__u32 ipb;
  358. 			__u8 dequeued;
  359. 		} s390_tsch;
  360. 		/* KVM_EXIT_EPR */
  361. 		struct {
  362. 			__u32 epr;
  363. 		} epr;
  364. 		/* KVM_EXIT_SYSTEM_EVENT */
  365. 		struct {
  366. #define KVM_SYSTEM_EVENT_SHUTDOWN       1
  367. #define KVM_SYSTEM_EVENT_RESET          2
  368. #define KVM_SYSTEM_EVENT_CRASH          3
  369. #define KVM_SYSTEM_EVENT_WAKEUP         4
  370. #define KVM_SYSTEM_EVENT_SUSPEND        5
  371. #define KVM_SYSTEM_EVENT_SEV_TERM       6
  372. 			__u32 type;
  373. 			__u32 ndata;
  374. 			union {
  375. 				__u64 flags;
  376. 				__u64 data[16];
  377. 			};
  378. 		} system_event;
  379. 		/* KVM_EXIT_S390_STSI */
  380. 		struct {
  381. 			__u64 addr;
  382. 			__u8 ar;
  383. 			__u8 reserved;
  384. 			__u8 fc;
  385. 			__u8 sel1;
  386. 			__u16 sel2;
  387. 		} s390_stsi;
  388. 		/* KVM_EXIT_IOAPIC_EOI */
  389. 		struct {
  390. 			__u8 vector;
  391. 		} eoi;
  392. 		/* KVM_EXIT_HYPERV */
  393. 		struct kvm_hyperv_exit hyperv;
  394. 		/* KVM_EXIT_ARM_NISV */
  395. 		struct {
  396. 			__u64 esr_iss;
  397. 			__u64 fault_ipa;
  398. 		} arm_nisv;
  399. 		/* KVM_EXIT_X86_RDMSR / KVM_EXIT_X86_WRMSR */
  400. 		struct {
  401. 			__u8 error; /* user -> kernel */
  402. 			__u8 pad[7];
  403. #define KVM_MSR_EXIT_REASON_INVAL	(1 << 0)
  404. #define KVM_MSR_EXIT_REASON_UNKNOWN	(1 << 1)
  405. #define KVM_MSR_EXIT_REASON_FILTER	(1 << 2)
  406. #define KVM_MSR_EXIT_REASON_VALID_MASK	(KVM_MSR_EXIT_REASON_INVAL   |	\
  407. 					 KVM_MSR_EXIT_REASON_UNKNOWN |	\
  408. 					 KVM_MSR_EXIT_REASON_FILTER)
  409. 			__u32 reason; /* kernel -> user */
  410. 			__u32 index; /* kernel -> user */
  411. 			__u64 data; /* kernel <-> user */
  412. 		} msr;
  413. 		/* KVM_EXIT_XEN */
  414. 		struct kvm_xen_exit xen;
  415. 		/* KVM_EXIT_RISCV_SBI */
  416. 		struct {
  417. 			unsigned long extension_id;
  418. 			unsigned long function_id;
  419. 			unsigned long args[6];
  420. 			unsigned long ret[2];
  421. 		} riscv_sbi;
  422. 		/* KVM_EXIT_RISCV_CSR */
  423. 		struct {
  424. 			unsigned long csr_num;
  425. 			unsigned long new_value;
  426. 			unsigned long write_mask;
  427. 			unsigned long ret_value;
  428. 		} riscv_csr;
  429. 		/* KVM_EXIT_NOTIFY */
  430. 		struct {
  431. #define KVM_NOTIFY_CONTEXT_INVALID	(1 << 0)
  432. 			__u32 flags;
  433. 		} notify;
  434. 		/* KVM_EXIT_MEMORY_FAULT */
  435. 		struct {
  436. #define KVM_MEMORY_EXIT_FLAG_PRIVATE	(1ULL << 3)
  437. 			__u64 flags;
  438. 			__u64 gpa;
  439. 			__u64 size;
  440. 		} memory_fault;
  441. 		/* Fix the size of the union. */
  442. 		char padding[256];
  443. 	};
  445. 	/* 2048 is the size of the char array used to bound/pad the size
  446. 	 * of the union that holds sync regs.
  447. 	 */
  448. 	#define SYNC_REGS_SIZE_BYTES 2048
  449. 	/*
  450. 	 * shared registers between kvm and userspace.
  451. 	 * kvm_valid_regs specifies the register classes set by the host
  452. 	 * kvm_dirty_regs specified the register classes dirtied by userspace
  453. 	 * struct kvm_sync_regs is architecture specific, as well as the
  454. 	 * bits for kvm_valid_regs and kvm_dirty_regs
  455. 	 */
  456. 	__u64 kvm_valid_regs;
  457. 	__u64 kvm_dirty_regs;
  458. 	union {
  459. 		struct kvm_sync_regs regs;
  460. 		char padding[SYNC_REGS_SIZE_BYTES];
  461. 	} s;
  462. };
  464. /* for KVM_REGISTER_COALESCED_MMIO / KVM_UNREGISTER_COALESCED_MMIO */
  466. struct kvm_coalesced_mmio_zone {
  467. 	__u64 addr;
  468. 	__u32 size;
  469. 	union {
  470. 		__u32 pad;
  471. 		__u32 pio;
  472. 	};
  473. };
  475. struct kvm_coalesced_mmio {
  476. 	__u64 phys_addr;
  477. 	__u32 len;
  478. 	union {
  479. 		__u32 pad;
  480. 		__u32 pio;
  481. 	};
  482. 	__u8  data[8];
  483. };
  485. struct kvm_coalesced_mmio_ring {
  486. 	__u32 first, last;
  487. 	struct kvm_coalesced_mmio coalesced_mmio[];
  488. };
  490. #define KVM_COALESCED_MMIO_MAX \
  491. 	((PAGE_SIZE - sizeof(struct kvm_coalesced_mmio_ring)) / \
  492. 	 sizeof(struct kvm_coalesced_mmio))
  494. /* for KVM_TRANSLATE */
  495. struct kvm_translation {
  496. 	/* in */
  497. 	__u64 linear_address;
  499. 	/* out */
  500. 	__u64 physical_address;
  501. 	__u8  valid;
  502. 	__u8  writeable;
  503. 	__u8  usermode;
  504. 	__u8  pad[5];
  505. };
  507. /* for KVM_INTERRUPT */
  508. struct kvm_interrupt {
  509. 	/* in */
  510. 	__u32 irq;
  511. };
  513. /* for KVM_GET_DIRTY_LOG */
  514. struct kvm_dirty_log {
  515. 	__u32 slot;
  516. 	__u32 padding1;
  517. 	union {
  518. 		void *dirty_bitmap; /* one bit per page */
  519. 		__u64 padding2;
  520. 	};
  521. };
  523. /* for KVM_CLEAR_DIRTY_LOG */
  524. struct kvm_clear_dirty_log {
  525. 	__u32 slot;
  526. 	__u32 num_pages;
  527. 	__u64 first_page;
  528. 	union {
  529. 		void *dirty_bitmap; /* one bit per page */
  530. 		__u64 padding2;
  531. 	};
  532. };
  534. /* for KVM_SET_SIGNAL_MASK */
  535. struct kvm_signal_mask {
  536. 	__u32 len;
  537. 	__u8  sigset[];
  538. };
  540. /* for KVM_TPR_ACCESS_REPORTING */
  541. struct kvm_tpr_access_ctl {
  542. 	__u32 enabled;
  543. 	__u32 flags;
  544. 	__u32 reserved[8];
  545. };
  547. /* for KVM_SET_VAPIC_ADDR */
  548. struct kvm_vapic_addr {
  549. 	__u64 vapic_addr;
  550. };
  552. /* for KVM_SET_MP_STATE */
  554. /* not all states are valid on all architectures */
  555. #define KVM_MP_STATE_RUNNABLE          0
  556. #define KVM_MP_STATE_UNINITIALIZED     1
  557. #define KVM_MP_STATE_INIT_RECEIVED     2
  558. #define KVM_MP_STATE_HALTED            3
  559. #define KVM_MP_STATE_SIPI_RECEIVED     4
  560. #define KVM_MP_STATE_STOPPED           5
  561. #define KVM_MP_STATE_CHECK_STOP        6
  562. #define KVM_MP_STATE_OPERATING         7
  563. #define KVM_MP_STATE_LOAD              8
  564. #define KVM_MP_STATE_AP_RESET_HOLD     9
  565. #define KVM_MP_STATE_SUSPENDED         10
  567. struct kvm_mp_state {
  568. 	__u32 mp_state;
  569. };
  571. /* for KVM_SET_GUEST_DEBUG */
  573. #define KVM_GUESTDBG_ENABLE		0x00000001
  574. #define KVM_GUESTDBG_SINGLESTEP		0x00000002
  576. struct kvm_guest_debug {
  577. 	__u32 control;
  578. 	__u32 pad;
  579. 	struct kvm_guest_debug_arch arch;
  580. };
  582. enum {
  583. 	kvm_ioeventfd_flag_nr_datamatch,
  584. 	kvm_ioeventfd_flag_nr_pio,
  585. 	kvm_ioeventfd_flag_nr_deassign,
  586. 	kvm_ioeventfd_flag_nr_virtio_ccw_notify,
  587. 	kvm_ioeventfd_flag_nr_fast_mmio,
  588. 	kvm_ioeventfd_flag_nr_max,
  589. };
  591. #define KVM_IOEVENTFD_FLAG_DATAMATCH (1 << kvm_ioeventfd_flag_nr_datamatch)
  592. #define KVM_IOEVENTFD_FLAG_PIO       (1 << kvm_ioeventfd_flag_nr_pio)
  593. #define KVM_IOEVENTFD_FLAG_DEASSIGN  (1 << kvm_ioeventfd_flag_nr_deassign)
  594. #define KVM_IOEVENTFD_FLAG_VIRTIO_CCW_NOTIFY \
  595. 	(1 << kvm_ioeventfd_flag_nr_virtio_ccw_notify)
  597. #define KVM_IOEVENTFD_VALID_FLAG_MASK  ((1 << kvm_ioeventfd_flag_nr_max) - 1)
  599. struct kvm_ioeventfd {
  600. 	__u64 datamatch;
  601. 	__u64 addr;        /* legal pio/mmio address */
  602. 	__u32 len;         /* 1, 2, 4, or 8 bytes; or 0 to ignore length */
  603. 	__s32 fd;
  604. 	__u32 flags;
  605. 	__u8  pad[36];
  606. };
  608. #define KVM_X86_DISABLE_EXITS_MWAIT          (1 << 0)
  609. #define KVM_X86_DISABLE_EXITS_HLT            (1 << 1)
  610. #define KVM_X86_DISABLE_EXITS_PAUSE          (1 << 2)
  611. #define KVM_X86_DISABLE_EXITS_CSTATE         (1 << 3)
  612. #define KVM_X86_DISABLE_VALID_EXITS          (KVM_X86_DISABLE_EXITS_MWAIT | \
  613.                                               KVM_X86_DISABLE_EXITS_HLT | \
  614.                                               KVM_X86_DISABLE_EXITS_PAUSE | \
  615.                                               KVM_X86_DISABLE_EXITS_CSTATE)
  617. /* for KVM_ENABLE_CAP */
  618. struct kvm_enable_cap {
  619. 	/* in */
  620. 	__u32 cap;
  621. 	__u32 flags;
  622. 	__u64 args[4];
  623. 	__u8  pad[64];
  624. };
  626. #define KVMIO 0xAE
  628. /* machine type bits, to be used as argument to KVM_CREATE_VM */
  629. #define KVM_VM_S390_UCONTROL	1
  631. /* on ppc, 0 indicate default, 1 should force HV and 2 PR */
  632. #define KVM_VM_PPC_HV 1
  633. #define KVM_VM_PPC_PR 2
  635. /* on MIPS, 0 indicates auto, 1 forces VZ ASE, 2 forces trap & emulate */
  636. #define KVM_VM_MIPS_AUTO	0
  637. #define KVM_VM_MIPS_VZ		1
  638. #define KVM_VM_MIPS_TE		2
  640. #define KVM_S390_SIE_PAGE_OFFSET 1
  642. /*
  643.  * On arm64, machine type can be used to request the physical
  644.  * address size for the VM. Bits[7-0] are reserved for the guest
  645.  * PA size shift (i.e, log2(PA_Size)). For backward compatibility,
  646.  * value 0 implies the default IPA size, 40bits.
  647.  */
  648. #define KVM_VM_TYPE_ARM_IPA_SIZE_MASK	0xffULL
  649. #define KVM_VM_TYPE_ARM_IPA_SIZE(x)		\
  650. 	((x) & KVM_VM_TYPE_ARM_IPA_SIZE_MASK)
  651. /*
  652.  * ioctls for /dev/kvm fds:
  653.  */
  654. #define KVM_GET_API_VERSION       _IO(KVMIO,   0x00)
  655. #define KVM_CREATE_VM             _IO(KVMIO,   0x01) /* returns a VM fd */
  656. #define KVM_GET_MSR_INDEX_LIST    _IOWR(KVMIO, 0x02, struct kvm_msr_list)
  658. #define KVM_S390_ENABLE_SIE       _IO(KVMIO,   0x06)
  659. /*
  660.  * Check if a kvm extension is available.  Argument is extension number,
  661.  * return is 1 (yes) or 0 (no, sorry).
  662.  */
  663. #define KVM_CHECK_EXTENSION       _IO(KVMIO,   0x03)
  664. /*
  665.  * Get size for mmap(vcpu_fd)
  666.  */
  667. #define KVM_GET_VCPU_MMAP_SIZE    _IO(KVMIO,   0x04) /* in bytes */
  668. #define KVM_GET_SUPPORTED_CPUID   _IOWR(KVMIO, 0x05, struct kvm_cpuid2)
  669. #define KVM_GET_EMULATED_CPUID	  _IOWR(KVMIO, 0x09, struct kvm_cpuid2)
  670. #define KVM_GET_MSR_FEATURE_INDEX_LIST    _IOWR(KVMIO, 0x0a, struct kvm_msr_list)
  672. /*
  673.  * Extension capability list.
  674.  */
  675. #define KVM_CAP_IRQCHIP	  0
  676. #define KVM_CAP_HLT	  1
  677. #define KVM_CAP_MMU_SHADOW_CACHE_CONTROL 2
  678. #define KVM_CAP_USER_MEMORY 3
  679. #define KVM_CAP_SET_TSS_ADDR 4
  680. #define KVM_CAP_VAPIC 6
  681. #define KVM_CAP_EXT_CPUID 7
  682. #define KVM_CAP_CLOCKSOURCE 8
  683. #define KVM_CAP_NR_VCPUS 9       /* returns recommended max vcpus per vm */
  684. #define KVM_CAP_NR_MEMSLOTS 10   /* returns max memory slots per vm */
  685. #define KVM_CAP_PIT 11
  686. #define KVM_CAP_NOP_IO_DELAY 12
  687. #define KVM_CAP_PV_MMU 13
  688. #define KVM_CAP_MP_STATE 14
  689. #define KVM_CAP_COALESCED_MMIO 15
  690. #define KVM_CAP_SYNC_MMU 16  /* Changes to host mmap are reflected in guest */
  691. #define KVM_CAP_IOMMU 18
  692. /* Bug in KVM_SET_USER_MEMORY_REGION fixed: */
  693. #define KVM_CAP_DESTROY_MEMORY_REGION_WORKS 21
  694. #define KVM_CAP_USER_NMI 22
  695. #define KVM_CAP_SET_GUEST_DEBUG 23
  696. #ifdef __KVM_HAVE_PIT
  697. #define KVM_CAP_REINJECT_CONTROL 24
  698. #endif
  699. #define KVM_CAP_IRQ_ROUTING 25
  700. #define KVM_CAP_IRQ_INJECT_STATUS 26
  701. #define KVM_CAP_ASSIGN_DEV_IRQ 29
  702. /* Another bug in KVM_SET_USER_MEMORY_REGION fixed: */
  703. #define KVM_CAP_JOIN_MEMORY_REGIONS_WORKS 30
  704. #ifdef __KVM_HAVE_MCE
  705. #define KVM_CAP_MCE 31
  706. #endif
  707. #define KVM_CAP_IRQFD 32
  708. #ifdef __KVM_HAVE_PIT
  709. #define KVM_CAP_PIT2 33
  710. #endif
  711. #define KVM_CAP_SET_BOOT_CPU_ID 34
  712. #ifdef __KVM_HAVE_PIT_STATE2
  713. #define KVM_CAP_PIT_STATE2 35
  714. #endif
  715. #define KVM_CAP_IOEVENTFD 36
  716. #define KVM_CAP_SET_IDENTITY_MAP_ADDR 37
  717. #ifdef __KVM_HAVE_XEN_HVM
  718. #define KVM_CAP_XEN_HVM 38
  719. #endif
  720. #define KVM_CAP_ADJUST_CLOCK 39
  721. #define KVM_CAP_INTERNAL_ERROR_DATA 40
  722. #ifdef __KVM_HAVE_VCPU_EVENTS
  723. #define KVM_CAP_VCPU_EVENTS 41
  724. #endif
  725. #define KVM_CAP_S390_PSW 42
  726. #define KVM_CAP_PPC_SEGSTATE 43
  727. #define KVM_CAP_HYPERV 44
  728. #define KVM_CAP_HYPERV_VAPIC 45
  729. #define KVM_CAP_HYPERV_SPIN 46
  730. #define KVM_CAP_PCI_SEGMENT 47
  731. #define KVM_CAP_PPC_PAIRED_SINGLES 48
  732. #define KVM_CAP_INTR_SHADOW 49
  733. #ifdef __KVM_HAVE_DEBUGREGS
  734. #define KVM_CAP_DEBUGREGS 50
  735. #endif
  736. #define KVM_CAP_X86_ROBUST_SINGLESTEP 51
  737. #define KVM_CAP_PPC_OSI 52
  738. #define KVM_CAP_PPC_UNSET_IRQ 53
  739. #define KVM_CAP_ENABLE_CAP 54
  740. #ifdef __KVM_HAVE_XSAVE
  741. #define KVM_CAP_XSAVE 55
  742. #endif
  743. #ifdef __KVM_HAVE_XCRS
  744. #define KVM_CAP_XCRS 56
  745. #endif
  746. #define KVM_CAP_PPC_GET_PVINFO 57
  747. #define KVM_CAP_PPC_IRQ_LEVEL 58
  748. #define KVM_CAP_ASYNC_PF 59
  749. #define KVM_CAP_TSC_CONTROL 60
  750. #define KVM_CAP_GET_TSC_KHZ 61
  751. #define KVM_CAP_PPC_BOOKE_SREGS 62
  752. #define KVM_CAP_SPAPR_TCE 63
  753. #define KVM_CAP_PPC_SMT 64
  754. #define KVM_CAP_PPC_RMA	65
  755. #define KVM_CAP_MAX_VCPUS 66       /* returns max vcpus per vm */
  756. #define KVM_CAP_PPC_HIOR 67
  757. #define KVM_CAP_PPC_PAPR 68
  758. #define KVM_CAP_SW_TLB 69
  759. #define KVM_CAP_ONE_REG 70
  760. #define KVM_CAP_S390_GMAP 71
  761. #define KVM_CAP_TSC_DEADLINE_TIMER 72
  762. #define KVM_CAP_S390_UCONTROL 73
  763. #define KVM_CAP_SYNC_REGS 74
  764. #define KVM_CAP_PCI_2_3 75
  765. #define KVM_CAP_KVMCLOCK_CTRL 76
  766. #define KVM_CAP_SIGNAL_MSI 77
  767. #define KVM_CAP_PPC_GET_SMMU_INFO 78
  768. #define KVM_CAP_S390_COW 79
  769. #define KVM_CAP_PPC_ALLOC_HTAB 80
  770. #define KVM_CAP_READONLY_MEM 81
  771. #define KVM_CAP_IRQFD_RESAMPLE 82
  772. #define KVM_CAP_PPC_BOOKE_WATCHDOG 83
  773. #define KVM_CAP_PPC_HTAB_FD 84
  774. #define KVM_CAP_S390_CSS_SUPPORT 85
  775. #define KVM_CAP_PPC_EPR 86
  776. #define KVM_CAP_ARM_PSCI 87
  777. #define KVM_CAP_ARM_SET_DEVICE_ADDR 88
  778. #define KVM_CAP_DEVICE_CTRL 89
  779. #define KVM_CAP_IRQ_MPIC 90
  780. #define KVM_CAP_PPC_RTAS 91
  781. #define KVM_CAP_IRQ_XICS 92
  782. #define KVM_CAP_ARM_EL1_32BIT 93
  783. #define KVM_CAP_SPAPR_MULTITCE 94
  784. #define KVM_CAP_EXT_EMUL_CPUID 95
  785. #define KVM_CAP_HYPERV_TIME 96
  786. #define KVM_CAP_IOAPIC_POLARITY_IGNORED 97
  787. #define KVM_CAP_ENABLE_CAP_VM 98
  788. #define KVM_CAP_S390_IRQCHIP 99
  789. #define KVM_CAP_IOEVENTFD_NO_LENGTH 100
  790. #define KVM_CAP_VM_ATTRIBUTES 101
  791. #define KVM_CAP_ARM_PSCI_0_2 102
  792. #define KVM_CAP_PPC_FIXUP_HCALL 103
  793. #define KVM_CAP_PPC_ENABLE_HCALL 104
  794. #define KVM_CAP_CHECK_EXTENSION_VM 105
  795. #define KVM_CAP_S390_USER_SIGP 106
  796. #define KVM_CAP_S390_VECTOR_REGISTERS 107
  797. #define KVM_CAP_S390_MEM_OP 108
  798. #define KVM_CAP_S390_USER_STSI 109
  799. #define KVM_CAP_S390_SKEYS 110
  800. #define KVM_CAP_MIPS_FPU 111
  801. #define KVM_CAP_MIPS_MSA 112
  802. #define KVM_CAP_S390_INJECT_IRQ 113
  803. #define KVM_CAP_S390_IRQ_STATE 114
  804. #define KVM_CAP_PPC_HWRNG 115
  805. #define KVM_CAP_DISABLE_QUIRKS 116
  806. #define KVM_CAP_X86_SMM 117
  807. #define KVM_CAP_MULTI_ADDRESS_SPACE 118
  808. #define KVM_CAP_GUEST_DEBUG_HW_BPS 119
  809. #define KVM_CAP_GUEST_DEBUG_HW_WPS 120
  810. #define KVM_CAP_SPLIT_IRQCHIP 121
  811. #define KVM_CAP_IOEVENTFD_ANY_LENGTH 122
  812. #define KVM_CAP_HYPERV_SYNIC 123
  813. #define KVM_CAP_S390_RI 124
  814. #define KVM_CAP_SPAPR_TCE_64 125
  815. #define KVM_CAP_ARM_PMU_V3 126
  816. #define KVM_CAP_VCPU_ATTRIBUTES 127
  817. #define KVM_CAP_MAX_VCPU_ID 128
  818. #define KVM_CAP_X2APIC_API 129
  819. #define KVM_CAP_S390_USER_INSTR0 130
  820. #define KVM_CAP_MSI_DEVID 131
  821. #define KVM_CAP_PPC_HTM 132
  822. #define KVM_CAP_SPAPR_RESIZE_HPT 133
  823. #define KVM_CAP_PPC_MMU_RADIX 134
  824. #define KVM_CAP_PPC_MMU_HASH_V3 135
  825. #define KVM_CAP_IMMEDIATE_EXIT 136
  826. #define KVM_CAP_MIPS_VZ 137
  827. #define KVM_CAP_MIPS_TE 138
  828. #define KVM_CAP_MIPS_64BIT 139
  829. #define KVM_CAP_S390_GS 140
  830. #define KVM_CAP_S390_AIS 141
  831. #define KVM_CAP_SPAPR_TCE_VFIO 142
  832. #define KVM_CAP_X86_DISABLE_EXITS 143
  833. #define KVM_CAP_ARM_USER_IRQ 144
  834. #define KVM_CAP_S390_CMMA_MIGRATION 145
  835. #define KVM_CAP_PPC_FWNMI 146
  836. #define KVM_CAP_PPC_SMT_POSSIBLE 147
  837. #define KVM_CAP_HYPERV_SYNIC2 148
  838. #define KVM_CAP_HYPERV_VP_INDEX 149
  839. #define KVM_CAP_S390_AIS_MIGRATION 150
  840. #define KVM_CAP_PPC_GET_CPU_CHAR 151
  841. #define KVM_CAP_S390_BPB 152
  842. #define KVM_CAP_GET_MSR_FEATURES 153
  843. #define KVM_CAP_HYPERV_EVENTFD 154
  844. #define KVM_CAP_HYPERV_TLBFLUSH 155
  845. #define KVM_CAP_S390_HPAGE_1M 156
  846. #define KVM_CAP_NESTED_STATE 157
  847. #define KVM_CAP_ARM_INJECT_SERROR_ESR 158
  848. #define KVM_CAP_MSR_PLATFORM_INFO 159
  849. #define KVM_CAP_PPC_NESTED_HV 160
  850. #define KVM_CAP_HYPERV_SEND_IPI 161
  851. #define KVM_CAP_COALESCED_PIO 162
  852. #define KVM_CAP_HYPERV_ENLIGHTENED_VMCS 163
  853. #define KVM_CAP_EXCEPTION_PAYLOAD 164
  854. #define KVM_CAP_ARM_VM_IPA_SIZE 165
  855. #define KVM_CAP_MANUAL_DIRTY_LOG_PROTECT 166 /* Obsolete */
  856. #define KVM_CAP_HYPERV_CPUID 167
  857. #define KVM_CAP_MANUAL_DIRTY_LOG_PROTECT2 168
  858. #define KVM_CAP_PPC_IRQ_XIVE 169
  859. #define KVM_CAP_ARM_SVE 170
  860. #define KVM_CAP_ARM_PTRAUTH_ADDRESS 171
  861. #define KVM_CAP_ARM_PTRAUTH_GENERIC 172
  862. #define KVM_CAP_PMU_EVENT_FILTER 173
  863. #define KVM_CAP_ARM_IRQ_LINE_LAYOUT_2 174
  864. #define KVM_CAP_HYPERV_DIRECT_TLBFLUSH 175
  865. #define KVM_CAP_PPC_GUEST_DEBUG_SSTEP 176
  866. #define KVM_CAP_ARM_NISV_TO_USER 177
  867. #define KVM_CAP_ARM_INJECT_EXT_DABT 178
  868. #define KVM_CAP_S390_VCPU_RESETS 179
  869. #define KVM_CAP_S390_PROTECTED 180
  870. #define KVM_CAP_PPC_SECURE_GUEST 181
  871. #define KVM_CAP_HALT_POLL 182
  872. #define KVM_CAP_ASYNC_PF_INT 183
  873. #define KVM_CAP_LAST_CPU 184
  874. #define KVM_CAP_SMALLER_MAXPHYADDR 185
  875. #define KVM_CAP_S390_DIAG318 186
  876. #define KVM_CAP_STEAL_TIME 187
  877. #define KVM_CAP_X86_USER_SPACE_MSR 188
  878. #define KVM_CAP_X86_MSR_FILTER 189
  879. #define KVM_CAP_ENFORCE_PV_FEATURE_CPUID 190
  880. #define KVM_CAP_SYS_HYPERV_CPUID 191
  881. #define KVM_CAP_DIRTY_LOG_RING 192
  882. #define KVM_CAP_X86_BUS_LOCK_EXIT 193
  883. #define KVM_CAP_PPC_DAWR1 194
  884. #define KVM_CAP_SET_GUEST_DEBUG2 195
  885. #define KVM_CAP_SGX_ATTRIBUTE 196
  886. #define KVM_CAP_VM_COPY_ENC_CONTEXT_FROM 197
  887. #define KVM_CAP_PTP_KVM 198
  888. #define KVM_CAP_HYPERV_ENFORCE_CPUID 199
  889. #define KVM_CAP_SREGS2 200
  890. #define KVM_CAP_EXIT_HYPERCALL 201
  891. #define KVM_CAP_PPC_RPT_INVALIDATE 202
  892. #define KVM_CAP_BINARY_STATS_FD 203
  893. #define KVM_CAP_EXIT_ON_EMULATION_FAILURE 204
  894. #define KVM_CAP_ARM_MTE 205
  895. #define KVM_CAP_VM_MOVE_ENC_CONTEXT_FROM 206
  896. #define KVM_CAP_VM_GPA_BITS 207
  897. #define KVM_CAP_XSAVE2 208
  898. #define KVM_CAP_SYS_ATTRIBUTES 209
  899. #define KVM_CAP_PPC_AIL_MODE_3 210
  900. #define KVM_CAP_S390_MEM_OP_EXTENSION 211
  901. #define KVM_CAP_PMU_CAPABILITY 212
  902. #define KVM_CAP_DISABLE_QUIRKS2 213
  903. #define KVM_CAP_VM_TSC_CONTROL 214
  904. #define KVM_CAP_SYSTEM_EVENT_DATA 215
  905. #define KVM_CAP_ARM_SYSTEM_SUSPEND 216
  906. #define KVM_CAP_S390_PROTECTED_DUMP 217
  907. #define KVM_CAP_X86_TRIPLE_FAULT_EVENT 218
  908. #define KVM_CAP_X86_NOTIFY_VMEXIT 219
  909. #define KVM_CAP_VM_DISABLE_NX_HUGE_PAGES 220
  910. #define KVM_CAP_S390_ZPCI_OP 221
  911. #define KVM_CAP_S390_CPU_TOPOLOGY 222
  912. #define KVM_CAP_DIRTY_LOG_RING_ACQ_REL 223
  913. #define KVM_CAP_S390_PROTECTED_ASYNC_DISABLE 224
  914. #define KVM_CAP_DIRTY_LOG_RING_WITH_BITMAP 225
  915. #define KVM_CAP_PMU_EVENT_MASKED_EVENTS 226
  916. #define KVM_CAP_COUNTER_OFFSET 227
  917. #define KVM_CAP_ARM_EAGER_SPLIT_CHUNK_SIZE 228
  918. #define KVM_CAP_ARM_SUPPORTED_BLOCK_SIZES 229
  919. #define KVM_CAP_ARM_SUPPORTED_REG_MASK_RANGES 230
  920. #define KVM_CAP_USER_MEMORY2 231
  921. #define KVM_CAP_MEMORY_FAULT_INFO 232
  922. #define KVM_CAP_MEMORY_ATTRIBUTES 233
  923. #define KVM_CAP_GUEST_MEMFD 234
  924. #define KVM_CAP_VM_TYPES 235
  925. #define KVM_CAP_PRE_FAULT_MEMORY 236
  926. #define KVM_CAP_X86_APIC_BUS_CYCLES_NS 237
  927. #define KVM_CAP_X86_GUEST_MODE 238
  929. struct kvm_irq_routing_irqchip {
  930. 	__u32 irqchip;
  931. 	__u32 pin;
  932. };
  934. struct kvm_irq_routing_msi {
  935. 	__u32 address_lo;
  936. 	__u32 address_hi;
  937. 	__u32 data;
  938. 	union {
  939. 		__u32 pad;
  940. 		__u32 devid;
  941. 	};
  942. };
  944. struct kvm_irq_routing_s390_adapter {
  945. 	__u64 ind_addr;
  946. 	__u64 summary_addr;
  947. 	__u64 ind_offset;
  948. 	__u32 summary_offset;
  949. 	__u32 adapter_id;
  950. };
  952. struct kvm_irq_routing_hv_sint {
  953. 	__u32 vcpu;
  954. 	__u32 sint;
  955. };
  957. struct kvm_irq_routing_xen_evtchn {
  958. 	__u32 port;
  959. 	__u32 vcpu;
  960. 	__u32 priority;
  961. };
  963. #define KVM_IRQ_ROUTING_XEN_EVTCHN_PRIO_2LEVEL ((__u32)(-1))
  965. /* gsi routing entry types */
  966. #define KVM_IRQ_ROUTING_IRQCHIP 1
  967. #define KVM_IRQ_ROUTING_MSI 2
  968. #define KVM_IRQ_ROUTING_S390_ADAPTER 3
  969. #define KVM_IRQ_ROUTING_HV_SINT 4
  970. #define KVM_IRQ_ROUTING_XEN_EVTCHN 5
  972. struct kvm_irq_routing_entry {
  973. 	__u32 gsi;
  974. 	__u32 type;
  975. 	__u32 flags;
  976. 	__u32 pad;
  977. 	union {
  978. 		struct kvm_irq_routing_irqchip irqchip;
  979. 		struct kvm_irq_routing_msi msi;
  980. 		struct kvm_irq_routing_s390_adapter adapter;
  981. 		struct kvm_irq_routing_hv_sint hv_sint;
  982. 		struct kvm_irq_routing_xen_evtchn xen_evtchn;
  983. 		__u32 pad[8];
  984. 	} u;
  985. };
  987. struct kvm_irq_routing {
  988. 	__u32 nr;
  989. 	__u32 flags;
  990. 	struct kvm_irq_routing_entry entries[];
  991. };
  993. #define KVM_IRQFD_FLAG_DEASSIGN (1 << 0)
  994. /*
  995.  * Available with KVM_CAP_IRQFD_RESAMPLE
  996.  *
  997.  * KVM_IRQFD_FLAG_RESAMPLE indicates resamplefd is valid and specifies
  998.  * the irqfd to operate in resampling mode for level triggered interrupt
  999.  * emulation.  See Documentation/virt/kvm/api.rst.
  1000.  */
  1001. #define KVM_IRQFD_FLAG_RESAMPLE (1 << 1)
  1003. struct kvm_irqfd {
  1004. 	__u32 fd;
  1005. 	__u32 gsi;
  1006. 	__u32 flags;
  1007. 	__u32 resamplefd;
  1008. 	__u8  pad[16];
  1009. };
  1011. /* For KVM_CAP_ADJUST_CLOCK */
  1013. /* Do not use 1, KVM_CHECK_EXTENSION returned it before we had flags.  */
  1014. #define KVM_CLOCK_TSC_STABLE		2
  1015. #define KVM_CLOCK_REALTIME		(1 << 2)
  1016. #define KVM_CLOCK_HOST_TSC		(1 << 3)
  1018. struct kvm_clock_data {
  1019. 	__u64 clock;
  1020. 	__u32 flags;
  1021. 	__u32 pad0;
  1022. 	__u64 realtime;
  1023. 	__u64 host_tsc;
  1024. 	__u32 pad[4];
  1025. };
  1027. /* For KVM_CAP_SW_TLB */
  1029. #define KVM_MMU_FSL_BOOKE_NOHV		0
  1030. #define KVM_MMU_FSL_BOOKE_HV		1
  1032. struct kvm_config_tlb {
  1033. 	__u64 params;
  1034. 	__u64 array;
  1035. 	__u32 mmu_type;
  1036. 	__u32 array_len;
  1037. };
  1039. struct kvm_dirty_tlb {
  1040. 	__u64 bitmap;
  1041. 	__u32 num_dirty;
  1042. };
  1044. /* Available with KVM_CAP_ONE_REG */
  1046. #define KVM_REG_ARCH_MASK	0xff00000000000000ULL
  1047. #define KVM_REG_GENERIC		0x0000000000000000ULL
  1049. /*
  1050.  * Architecture specific registers are to be defined in arch headers and
  1051.  * ORed with the arch identifier.
  1052.  */
  1053. #define KVM_REG_PPC		0x1000000000000000ULL
  1054. #define KVM_REG_X86		0x2000000000000000ULL
  1055. #define KVM_REG_IA64		0x3000000000000000ULL
  1056. #define KVM_REG_ARM		0x4000000000000000ULL
  1057. #define KVM_REG_S390		0x5000000000000000ULL
  1058. #define KVM_REG_ARM64		0x6000000000000000ULL
  1059. #define KVM_REG_MIPS		0x7000000000000000ULL
  1060. #define KVM_REG_RISCV		0x8000000000000000ULL
  1061. #define KVM_REG_LOONGARCH	0x9000000000000000ULL
  1063. #define KVM_REG_SIZE_SHIFT	52
  1064. #define KVM_REG_SIZE_MASK	0x00f0000000000000ULL
  1065. #define KVM_REG_SIZE_U8		0x0000000000000000ULL
  1066. #define KVM_REG_SIZE_U16	0x0010000000000000ULL
  1067. #define KVM_REG_SIZE_U32	0x0020000000000000ULL
  1068. #define KVM_REG_SIZE_U64	0x0030000000000000ULL
  1069. #define KVM_REG_SIZE_U128	0x0040000000000000ULL
  1070. #define KVM_REG_SIZE_U256	0x0050000000000000ULL
  1071. #define KVM_REG_SIZE_U512	0x0060000000000000ULL
  1072. #define KVM_REG_SIZE_U1024	0x0070000000000000ULL
  1073. #define KVM_REG_SIZE_U2048	0x0080000000000000ULL
  1075. struct kvm_reg_list {
  1076. 	__u64 n; /* number of regs */
  1077. 	__u64 reg[];
  1078. };
  1080. struct kvm_one_reg {
  1081. 	__u64 id;
  1082. 	__u64 addr;
  1083. };
  1085. #define KVM_MSI_VALID_DEVID	(1U << 0)
  1086. struct kvm_msi {
  1087. 	__u32 address_lo;
  1088. 	__u32 address_hi;
  1089. 	__u32 data;
  1090. 	__u32 flags;
  1091. 	__u32 devid;
  1092. 	__u8  pad[12];
  1093. };
  1095. struct kvm_arm_device_addr {
  1096. 	__u64 id;
  1097. 	__u64 addr;
  1098. };
  1100. /*
  1101.  * Device control API, available with KVM_CAP_DEVICE_CTRL
  1102.  */
  1103. #define KVM_CREATE_DEVICE_TEST		1
  1105. struct kvm_create_device {
  1106. 	__u32	type;	/* in: KVM_DEV_TYPE_xxx */
  1107. 	__u32	fd;	/* out: device handle */
  1108. 	__u32	flags;	/* in: KVM_CREATE_DEVICE_xxx */
  1109. };
  1111. struct kvm_device_attr {
  1112. 	__u32	flags;		/* no flags currently defined */
  1113. 	__u32	group;		/* device-defined */
  1114. 	__u64	attr;		/* group-defined */
  1115. 	__u64	addr;		/* userspace address of attr data */
  1116. };
  1118. #define  KVM_DEV_VFIO_FILE			1
  1120. #define   KVM_DEV_VFIO_FILE_ADD			1
  1121. #define   KVM_DEV_VFIO_FILE_DEL			2
  1123. /* KVM_DEV_VFIO_GROUP aliases are for compile time uapi compatibility */
  1124. #define  KVM_DEV_VFIO_GROUP	KVM_DEV_VFIO_FILE
  1126. #define   KVM_DEV_VFIO_GROUP_ADD	KVM_DEV_VFIO_FILE_ADD
  1127. #define   KVM_DEV_VFIO_GROUP_DEL	KVM_DEV_VFIO_FILE_DEL
  1128. #define   KVM_DEV_VFIO_GROUP_SET_SPAPR_TCE		3
  1130. enum kvm_device_type {
  1131. 	KVM_DEV_TYPE_FSL_MPIC_20	= 1,
  1132. #define KVM_DEV_TYPE_FSL_MPIC_20	KVM_DEV_TYPE_FSL_MPIC_20
  1133. 	KVM_DEV_TYPE_FSL_MPIC_42,
  1134. #define KVM_DEV_TYPE_FSL_MPIC_42	KVM_DEV_TYPE_FSL_MPIC_42
  1135. 	KVM_DEV_TYPE_XICS,
  1136. #define KVM_DEV_TYPE_XICS		KVM_DEV_TYPE_XICS
  1137. 	KVM_DEV_TYPE_VFIO,
  1138. #define KVM_DEV_TYPE_VFIO		KVM_DEV_TYPE_VFIO
  1139. 	KVM_DEV_TYPE_ARM_VGIC_V2,
  1140. #define KVM_DEV_TYPE_ARM_VGIC_V2	KVM_DEV_TYPE_ARM_VGIC_V2
  1141. 	KVM_DEV_TYPE_FLIC,
  1142. #define KVM_DEV_TYPE_FLIC		KVM_DEV_TYPE_FLIC
  1143. 	KVM_DEV_TYPE_ARM_VGIC_V3,
  1144. #define KVM_DEV_TYPE_ARM_VGIC_V3	KVM_DEV_TYPE_ARM_VGIC_V3
  1145. 	KVM_DEV_TYPE_ARM_VGIC_ITS,
  1146. #define KVM_DEV_TYPE_ARM_VGIC_ITS	KVM_DEV_TYPE_ARM_VGIC_ITS
  1147. 	KVM_DEV_TYPE_XIVE,
  1148. #define KVM_DEV_TYPE_XIVE		KVM_DEV_TYPE_XIVE
  1149. 	KVM_DEV_TYPE_ARM_PV_TIME,
  1150. #define KVM_DEV_TYPE_ARM_PV_TIME	KVM_DEV_TYPE_ARM_PV_TIME
  1151. 	KVM_DEV_TYPE_RISCV_AIA,
  1152. #define KVM_DEV_TYPE_RISCV_AIA		KVM_DEV_TYPE_RISCV_AIA
  1153. 	KVM_DEV_TYPE_MAX,
  1154. };
  1156. struct kvm_vfio_spapr_tce {
  1157. 	__s32	groupfd;
  1158. 	__s32	tablefd;
  1159. };
  1161. /*
  1162.  * KVM_CREATE_VCPU receives as a parameter the vcpu slot, and returns
  1163.  * a vcpu fd.
  1164.  */
  1165. #define KVM_CREATE_VCPU           _IO(KVMIO,   0x41)
  1166. #define KVM_GET_DIRTY_LOG         _IOW(KVMIO,  0x42, struct kvm_dirty_log)
  1167. #define KVM_SET_NR_MMU_PAGES      _IO(KVMIO,   0x44)
  1168. #define KVM_GET_NR_MMU_PAGES      _IO(KVMIO,   0x45)  /* deprecated */
  1169. #define KVM_SET_USER_MEMORY_REGION _IOW(KVMIO, 0x46, \
  1170. 					struct kvm_userspace_memory_region)
  1171. #define KVM_SET_TSS_ADDR          _IO(KVMIO,   0x47)
  1172. #define KVM_SET_IDENTITY_MAP_ADDR _IOW(KVMIO,  0x48, __u64)
  1173. #define KVM_SET_USER_MEMORY_REGION2 _IOW(KVMIO, 0x49, \
  1174. 					 struct kvm_userspace_memory_region2)
  1176. /* enable ucontrol for s390 */
  1177. #define KVM_S390_UCAS_MAP        _IOW(KVMIO, 0x50, struct kvm_s390_ucas_mapping)
  1178. #define KVM_S390_UCAS_UNMAP      _IOW(KVMIO, 0x51, struct kvm_s390_ucas_mapping)
  1179. #define KVM_S390_VCPU_FAULT	 _IOW(KVMIO, 0x52, unsigned long)
  1181. /* Device model IOC */
  1182. #define KVM_CREATE_IRQCHIP        _IO(KVMIO,   0x60)
  1183. #define KVM_IRQ_LINE              _IOW(KVMIO,  0x61, struct kvm_irq_level)
  1184. #define KVM_GET_IRQCHIP           _IOWR(KVMIO, 0x62, struct kvm_irqchip)
  1185. #define KVM_SET_IRQCHIP           _IOR(KVMIO,  0x63, struct kvm_irqchip)
  1186. #define KVM_CREATE_PIT            _IO(KVMIO,   0x64)
  1187. #define KVM_GET_PIT               _IOWR(KVMIO, 0x65, struct kvm_pit_state)
  1188. #define KVM_SET_PIT               _IOR(KVMIO,  0x66, struct kvm_pit_state)
  1189. #define KVM_IRQ_LINE_STATUS       _IOWR(KVMIO, 0x67, struct kvm_irq_level)
  1190. #define KVM_REGISTER_COALESCED_MMIO \
  1191. 			_IOW(KVMIO,  0x67, struct kvm_coalesced_mmio_zone)
  1192. #define KVM_UNREGISTER_COALESCED_MMIO \
  1193. 			_IOW(KVMIO,  0x68, struct kvm_coalesced_mmio_zone)
  1194. #define KVM_SET_GSI_ROUTING       _IOW(KVMIO,  0x6a, struct kvm_irq_routing)
  1195. #define KVM_REINJECT_CONTROL      _IO(KVMIO,   0x71)
  1196. #define KVM_IRQFD                 _IOW(KVMIO,  0x76, struct kvm_irqfd)
  1197. #define KVM_CREATE_PIT2		  _IOW(KVMIO,  0x77, struct kvm_pit_config)
  1198. #define KVM_SET_BOOT_CPU_ID       _IO(KVMIO,   0x78)
  1199. #define KVM_IOEVENTFD             _IOW(KVMIO,  0x79, struct kvm_ioeventfd)
  1200. #define KVM_XEN_HVM_CONFIG        _IOW(KVMIO,  0x7a, struct kvm_xen_hvm_config)
  1201. #define KVM_SET_CLOCK             _IOW(KVMIO,  0x7b, struct kvm_clock_data)
  1202. #define KVM_GET_CLOCK             _IOR(KVMIO,  0x7c, struct kvm_clock_data)
  1203. /* Available with KVM_CAP_PIT_STATE2 */
  1204. #define KVM_GET_PIT2              _IOR(KVMIO,  0x9f, struct kvm_pit_state2)
  1205. #define KVM_SET_PIT2              _IOW(KVMIO,  0xa0, struct kvm_pit_state2)
  1206. /* Available with KVM_CAP_PPC_GET_PVINFO */
  1207. #define KVM_PPC_GET_PVINFO	  _IOW(KVMIO,  0xa1, struct kvm_ppc_pvinfo)
  1208. /* Available with KVM_CAP_TSC_CONTROL for a vCPU, or with
  1209. *  KVM_CAP_VM_TSC_CONTROL to set defaults for a VM */
  1210. #define KVM_SET_TSC_KHZ           _IO(KVMIO,  0xa2)
  1211. #define KVM_GET_TSC_KHZ           _IO(KVMIO,  0xa3)
  1212. /* Available with KVM_CAP_SIGNAL_MSI */
  1213. #define KVM_SIGNAL_MSI            _IOW(KVMIO,  0xa5, struct kvm_msi)
  1214. /* Available with KVM_CAP_PPC_GET_SMMU_INFO */
  1215. #define KVM_PPC_GET_SMMU_INFO	  _IOR(KVMIO,  0xa6, struct kvm_ppc_smmu_info)
  1216. /* Available with KVM_CAP_PPC_ALLOC_HTAB */
  1217. #define KVM_PPC_ALLOCATE_HTAB	  _IOWR(KVMIO, 0xa7, __u32)
  1218. #define KVM_CREATE_SPAPR_TCE	  _IOW(KVMIO,  0xa8, struct kvm_create_spapr_tce)
  1219. #define KVM_CREATE_SPAPR_TCE_64	  _IOW(KVMIO,  0xa8, \
  1220. 				       struct kvm_create_spapr_tce_64)
  1221. /* Available with KVM_CAP_RMA */
  1222. #define KVM_ALLOCATE_RMA	  _IOR(KVMIO,  0xa9, struct kvm_allocate_rma)
  1223. /* Available with KVM_CAP_PPC_HTAB_FD */
  1224. #define KVM_PPC_GET_HTAB_FD	  _IOW(KVMIO,  0xaa, struct kvm_get_htab_fd)
  1225. /* Available with KVM_CAP_ARM_SET_DEVICE_ADDR */
  1226. #define KVM_ARM_SET_DEVICE_ADDR	  _IOW(KVMIO,  0xab, struct kvm_arm_device_addr)
  1227. /* Available with KVM_CAP_PPC_RTAS */
  1228. #define KVM_PPC_RTAS_DEFINE_TOKEN _IOW(KVMIO,  0xac, struct kvm_rtas_token_args)
  1229. /* Available with KVM_CAP_SPAPR_RESIZE_HPT */
  1230. #define KVM_PPC_RESIZE_HPT_PREPARE _IOR(KVMIO, 0xad, struct kvm_ppc_resize_hpt)
  1231. #define KVM_PPC_RESIZE_HPT_COMMIT  _IOR(KVMIO, 0xae, struct kvm_ppc_resize_hpt)
  1232. /* Available with KVM_CAP_PPC_MMU_RADIX or KVM_CAP_PPC_MMU_HASH_V3 */
  1233. #define KVM_PPC_CONFIGURE_V3_MMU  _IOW(KVMIO,  0xaf, struct kvm_ppc_mmuv3_cfg)
  1234. /* Available with KVM_CAP_PPC_MMU_RADIX */
  1235. #define KVM_PPC_GET_RMMU_INFO	  _IOW(KVMIO,  0xb0, struct kvm_ppc_rmmu_info)
  1236. /* Available with KVM_CAP_PPC_GET_CPU_CHAR */
  1237. #define KVM_PPC_GET_CPU_CHAR	  _IOR(KVMIO,  0xb1, struct kvm_ppc_cpu_char)
  1238. /* Available with KVM_CAP_PMU_EVENT_FILTER */
  1239. #define KVM_SET_PMU_EVENT_FILTER  _IOW(KVMIO,  0xb2, struct kvm_pmu_event_filter)
  1240. #define KVM_PPC_SVM_OFF		  _IO(KVMIO,  0xb3)
  1241. #define KVM_ARM_MTE_COPY_TAGS	  _IOR(KVMIO,  0xb4, struct kvm_arm_copy_mte_tags)
  1242. /* Available with KVM_CAP_COUNTER_OFFSET */
  1243. #define KVM_ARM_SET_COUNTER_OFFSET _IOW(KVMIO,  0xb5, struct kvm_arm_counter_offset)
  1244. #define KVM_ARM_GET_REG_WRITABLE_MASKS _IOR(KVMIO,  0xb6, struct reg_mask_range)
  1246. /* ioctl for vm fd */
  1247. #define KVM_CREATE_DEVICE	  _IOWR(KVMIO,  0xe0, struct kvm_create_device)
  1249. /* ioctls for fds returned by KVM_CREATE_DEVICE */
  1250. #define KVM_SET_DEVICE_ATTR	  _IOW(KVMIO,  0xe1, struct kvm_device_attr)
  1251. #define KVM_GET_DEVICE_ATTR	  _IOW(KVMIO,  0xe2, struct kvm_device_attr)
  1252. #define KVM_HAS_DEVICE_ATTR	  _IOW(KVMIO,  0xe3, struct kvm_device_attr)
  1254. /*
  1255.  * ioctls for vcpu fds
  1256.  */
  1257. #define KVM_RUN                   _IO(KVMIO,   0x80)
  1258. #define KVM_GET_REGS              _IOR(KVMIO,  0x81, struct kvm_regs)
  1259. #define KVM_SET_REGS              _IOW(KVMIO,  0x82, struct kvm_regs)
  1260. #define KVM_GET_SREGS             _IOR(KVMIO,  0x83, struct kvm_sregs)
  1261. #define KVM_SET_SREGS             _IOW(KVMIO,  0x84, struct kvm_sregs)
  1262. #define KVM_TRANSLATE             _IOWR(KVMIO, 0x85, struct kvm_translation)
  1263. #define KVM_INTERRUPT             _IOW(KVMIO,  0x86, struct kvm_interrupt)
  1264. #define KVM_GET_MSRS              _IOWR(KVMIO, 0x88, struct kvm_msrs)
  1265. #define KVM_SET_MSRS              _IOW(KVMIO,  0x89, struct kvm_msrs)
  1266. #define KVM_SET_CPUID             _IOW(KVMIO,  0x8a, struct kvm_cpuid)
  1267. #define KVM_SET_SIGNAL_MASK       _IOW(KVMIO,  0x8b, struct kvm_signal_mask)
  1268. #define KVM_GET_FPU               _IOR(KVMIO,  0x8c, struct kvm_fpu)
  1269. #define KVM_SET_FPU               _IOW(KVMIO,  0x8d, struct kvm_fpu)
  1270. #define KVM_GET_LAPIC             _IOR(KVMIO,  0x8e, struct kvm_lapic_state)
  1271. #define KVM_SET_LAPIC             _IOW(KVMIO,  0x8f, struct kvm_lapic_state)
  1272. #define KVM_SET_CPUID2            _IOW(KVMIO,  0x90, struct kvm_cpuid2)
  1273. #define KVM_GET_CPUID2            _IOWR(KVMIO, 0x91, struct kvm_cpuid2)
  1274. /* Available with KVM_CAP_VAPIC */
  1275. #define KVM_TPR_ACCESS_REPORTING  _IOWR(KVMIO, 0x92, struct kvm_tpr_access_ctl)
  1276. /* Available with KVM_CAP_VAPIC */
  1277. #define KVM_SET_VAPIC_ADDR        _IOW(KVMIO,  0x93, struct kvm_vapic_addr)
  1278. /* valid for virtual machine (for floating interrupt)_and_ vcpu */
  1279. #define KVM_S390_INTERRUPT        _IOW(KVMIO,  0x94, struct kvm_s390_interrupt)
  1280. /* store status for s390 */
  1281. #define KVM_S390_STORE_STATUS_NOADDR    (-1ul)
  1282. #define KVM_S390_STORE_STATUS_PREFIXED  (-2ul)
  1283. #define KVM_S390_STORE_STATUS	  _IOW(KVMIO,  0x95, unsigned long)
  1284. /* initial ipl psw for s390 */
  1285. #define KVM_S390_SET_INITIAL_PSW  _IOW(KVMIO,  0x96, struct kvm_s390_psw)
  1286. /* initial reset for s390 */
  1287. #define KVM_S390_INITIAL_RESET    _IO(KVMIO,   0x97)
  1288. #define KVM_GET_MP_STATE          _IOR(KVMIO,  0x98, struct kvm_mp_state)
  1289. #define KVM_SET_MP_STATE          _IOW(KVMIO,  0x99, struct kvm_mp_state)
  1290. /* Available with KVM_CAP_USER_NMI */
  1291. #define KVM_NMI                   _IO(KVMIO,   0x9a)
  1292. /* Available with KVM_CAP_SET_GUEST_DEBUG */
  1293. #define KVM_SET_GUEST_DEBUG       _IOW(KVMIO,  0x9b, struct kvm_guest_debug)
  1294. /* MCE for x86 */
  1295. #define KVM_X86_SETUP_MCE         _IOW(KVMIO,  0x9c, __u64)
  1296. #define KVM_X86_GET_MCE_CAP_SUPPORTED _IOR(KVMIO,  0x9d, __u64)
  1297. #define KVM_X86_SET_MCE           _IOW(KVMIO,  0x9e, struct kvm_x86_mce)
  1298. /* Available with KVM_CAP_VCPU_EVENTS */
  1299. #define KVM_GET_VCPU_EVENTS       _IOR(KVMIO,  0x9f, struct kvm_vcpu_events)
  1300. #define KVM_SET_VCPU_EVENTS       _IOW(KVMIO,  0xa0, struct kvm_vcpu_events)
  1301. /* Available with KVM_CAP_DEBUGREGS */
  1302. #define KVM_GET_DEBUGREGS         _IOR(KVMIO,  0xa1, struct kvm_debugregs)
  1303. #define KVM_SET_DEBUGREGS         _IOW(KVMIO,  0xa2, struct kvm_debugregs)
  1304. /*
  1305.  * vcpu version available with KVM_CAP_ENABLE_CAP
  1306.  * vm version available with KVM_CAP_ENABLE_CAP_VM
  1307.  */
  1308. #define KVM_ENABLE_CAP            _IOW(KVMIO,  0xa3, struct kvm_enable_cap)
  1309. /* Available with KVM_CAP_XSAVE */
  1310. #define KVM_GET_XSAVE		  _IOR(KVMIO,  0xa4, struct kvm_xsave)
  1311. #define KVM_SET_XSAVE		  _IOW(KVMIO,  0xa5, struct kvm_xsave)
  1312. /* Available with KVM_CAP_XCRS */
  1313. #define KVM_GET_XCRS		  _IOR(KVMIO,  0xa6, struct kvm_xcrs)
  1314. #define KVM_SET_XCRS		  _IOW(KVMIO,  0xa7, struct kvm_xcrs)
  1315. /* Available with KVM_CAP_SW_TLB */
  1316. #define KVM_DIRTY_TLB		  _IOW(KVMIO,  0xaa, struct kvm_dirty_tlb)
  1317. /* Available with KVM_CAP_ONE_REG */
  1318. #define KVM_GET_ONE_REG		  _IOW(KVMIO,  0xab, struct kvm_one_reg)
  1319. #define KVM_SET_ONE_REG		  _IOW(KVMIO,  0xac, struct kvm_one_reg)
  1320. /* VM is being stopped by host */
  1321. #define KVM_KVMCLOCK_CTRL	  _IO(KVMIO,   0xad)
  1322. #define KVM_ARM_VCPU_INIT	  _IOW(KVMIO,  0xae, struct kvm_vcpu_init)
  1323. #define KVM_ARM_PREFERRED_TARGET  _IOR(KVMIO,  0xaf, struct kvm_vcpu_init)
  1324. #define KVM_GET_REG_LIST	  _IOWR(KVMIO, 0xb0, struct kvm_reg_list)
  1325. /* Available with KVM_CAP_S390_MEM_OP */
  1326. #define KVM_S390_MEM_OP		  _IOW(KVMIO,  0xb1, struct kvm_s390_mem_op)
  1327. /* Available with KVM_CAP_S390_SKEYS */
  1328. #define KVM_S390_GET_SKEYS      _IOW(KVMIO, 0xb2, struct kvm_s390_skeys)
  1329. #define KVM_S390_SET_SKEYS      _IOW(KVMIO, 0xb3, struct kvm_s390_skeys)
  1330. /* Available with KVM_CAP_S390_INJECT_IRQ */
  1331. #define KVM_S390_IRQ              _IOW(KVMIO,  0xb4, struct kvm_s390_irq)
  1332. /* Available with KVM_CAP_S390_IRQ_STATE */
  1333. #define KVM_S390_SET_IRQ_STATE	  _IOW(KVMIO, 0xb5, struct kvm_s390_irq_state)
  1334. #define KVM_S390_GET_IRQ_STATE	  _IOW(KVMIO, 0xb6, struct kvm_s390_irq_state)
  1335. /* Available with KVM_CAP_X86_SMM */
  1336. #define KVM_SMI                   _IO(KVMIO,   0xb7)
  1337. /* Available with KVM_CAP_S390_CMMA_MIGRATION */
  1338. #define KVM_S390_GET_CMMA_BITS      _IOWR(KVMIO, 0xb8, struct kvm_s390_cmma_log)
  1339. #define KVM_S390_SET_CMMA_BITS      _IOW(KVMIO, 0xb9, struct kvm_s390_cmma_log)
  1340. /* Memory Encryption Commands */
  1341. #define KVM_MEMORY_ENCRYPT_OP      _IOWR(KVMIO, 0xba, unsigned long)
  1343. struct kvm_enc_region {
  1344. 	__u64 addr;
  1345. 	__u64 size;
  1346. };
  1348. #define KVM_MEMORY_ENCRYPT_REG_REGION    _IOR(KVMIO, 0xbb, struct kvm_enc_region)
  1349. #define KVM_MEMORY_ENCRYPT_UNREG_REGION  _IOR(KVMIO, 0xbc, struct kvm_enc_region)
  1351. /* Available with KVM_CAP_HYPERV_EVENTFD */
  1352. #define KVM_HYPERV_EVENTFD        _IOW(KVMIO,  0xbd, struct kvm_hyperv_eventfd)
  1354. /* Available with KVM_CAP_NESTED_STATE */
  1355. #define KVM_GET_NESTED_STATE         _IOWR(KVMIO, 0xbe, struct kvm_nested_state)
  1356. #define KVM_SET_NESTED_STATE         _IOW(KVMIO,  0xbf, struct kvm_nested_state)
  1358. /* Available with KVM_CAP_MANUAL_DIRTY_LOG_PROTECT_2 */
  1359. #define KVM_CLEAR_DIRTY_LOG          _IOWR(KVMIO, 0xc0, struct kvm_clear_dirty_log)
  1361. /* Available with KVM_CAP_HYPERV_CPUID (vcpu) / KVM_CAP_SYS_HYPERV_CPUID (system) */
  1362. #define KVM_GET_SUPPORTED_HV_CPUID _IOWR(KVMIO, 0xc1, struct kvm_cpuid2)
  1364. /* Available with KVM_CAP_ARM_SVE */
  1365. #define KVM_ARM_VCPU_FINALIZE	  _IOW(KVMIO,  0xc2, int)
  1367. /* Available with  KVM_CAP_S390_VCPU_RESETS */
  1368. #define KVM_S390_NORMAL_RESET	_IO(KVMIO,   0xc3)
  1369. #define KVM_S390_CLEAR_RESET	_IO(KVMIO,   0xc4)
  1371. /* Available with KVM_CAP_S390_PROTECTED */
  1372. #define KVM_S390_PV_COMMAND		_IOWR(KVMIO, 0xc5, struct kvm_pv_cmd)
  1374. /* Available with KVM_CAP_X86_MSR_FILTER */
  1375. #define KVM_X86_SET_MSR_FILTER	_IOW(KVMIO,  0xc6, struct kvm_msr_filter)
  1377. /* Available with KVM_CAP_DIRTY_LOG_RING */
  1378. #define KVM_RESET_DIRTY_RINGS		_IO(KVMIO, 0xc7)
  1380. /* Per-VM Xen attributes */
  1381. #define KVM_XEN_HVM_GET_ATTR	_IOWR(KVMIO, 0xc8, struct kvm_xen_hvm_attr)
  1382. #define KVM_XEN_HVM_SET_ATTR	_IOW(KVMIO,  0xc9, struct kvm_xen_hvm_attr)
  1384. /* Per-vCPU Xen attributes */
  1385. #define KVM_XEN_VCPU_GET_ATTR	_IOWR(KVMIO, 0xca, struct kvm_xen_vcpu_attr)
  1386. #define KVM_XEN_VCPU_SET_ATTR	_IOW(KVMIO,  0xcb, struct kvm_xen_vcpu_attr)
  1388. /* Available with KVM_CAP_XEN_HVM / KVM_XEN_HVM_CONFIG_EVTCHN_SEND */
  1389. #define KVM_XEN_HVM_EVTCHN_SEND	_IOW(KVMIO,  0xd0, struct kvm_irq_routing_xen_evtchn)
  1391. #define KVM_GET_SREGS2             _IOR(KVMIO,  0xcc, struct kvm_sregs2)
  1392. #define KVM_SET_SREGS2             _IOW(KVMIO,  0xcd, struct kvm_sregs2)
  1394. #define KVM_DIRTY_LOG_MANUAL_PROTECT_ENABLE    (1 << 0)
  1395. #define KVM_DIRTY_LOG_INITIALLY_SET            (1 << 1)
  1397. /*
  1398.  * Arch needs to define the macro after implementing the dirty ring
  1399.  * feature.  KVM_DIRTY_LOG_PAGE_OFFSET should be defined as the
  1400.  * starting page offset of the dirty ring structures.
  1401.  */
  1402. #ifndef KVM_DIRTY_LOG_PAGE_OFFSET
  1403. #define KVM_DIRTY_LOG_PAGE_OFFSET 0
  1404. #endif
  1406. /*
  1407.  * KVM dirty GFN flags, defined as:
  1408.  *
  1409.  * |---------------+---------------+--------------|
  1410.  * | bit 1 (reset) | bit 0 (dirty) | Status       |
  1411.  * |---------------+---------------+--------------|
  1412.  * |             0 |             0 | Invalid GFN  |
  1413.  * |             0 |             1 | Dirty GFN    |
  1414.  * |             1 |             X | GFN to reset |
  1415.  * |---------------+---------------+--------------|
  1416.  *
  1417.  * Lifecycle of a dirty GFN goes like:
  1418.  *
  1419.  *      dirtied         harvested        reset
  1420.  * 00 -----------> 01 -------------> 1X -------+
  1421.  *  ^                                          |
  1422.  *  |                                          |
  1423.  *  +------------------------------------------+
  1424.  *
  1425.  * The userspace program is only responsible for the 01->1X state
  1426.  * conversion after harvesting an entry.  Also, it must not skip any
  1427.  * dirty bits, so that dirty bits are always harvested in sequence.
  1428.  */
  1429. #define KVM_DIRTY_GFN_F_DIRTY           _BITUL(0)
  1430. #define KVM_DIRTY_GFN_F_RESET           _BITUL(1)
  1431. #define KVM_DIRTY_GFN_F_MASK            0x3
  1433. /*
  1434.  * KVM dirty rings should be mapped at KVM_DIRTY_LOG_PAGE_OFFSET of
  1435.  * per-vcpu mmaped regions as an array of struct kvm_dirty_gfn.  The
  1436.  * size of the gfn buffer is decided by the first argument when
  1437.  * enabling KVM_CAP_DIRTY_LOG_RING.
  1438.  */
  1439. struct kvm_dirty_gfn {
  1440. 	__u32 flags;
  1441. 	__u32 slot;
  1442. 	__u64 offset;
  1443. };
  1445. #define KVM_BUS_LOCK_DETECTION_OFF             (1 << 0)
  1446. #define KVM_BUS_LOCK_DETECTION_EXIT            (1 << 1)
  1448. #define KVM_PMU_CAP_DISABLE                    (1 << 0)
  1450. /**
  1451.  * struct kvm_stats_header - Header of per vm/vcpu binary statistics data.
  1452.  * @flags: Some extra information for header, always 0 for now.
  1453.  * @name_size: The size in bytes of the memory which contains statistics
  1454.  *             name string including trailing '\0'. The memory is allocated
  1455.  *             at the send of statistics descriptor.
  1456.  * @num_desc: The number of statistics the vm or vcpu has.
  1457.  * @id_offset: The offset of the vm/vcpu stats' id string in the file pointed
  1458.  *             by vm/vcpu stats fd.
  1459.  * @desc_offset: The offset of the vm/vcpu stats' descriptor block in the file
  1460.  *               pointd by vm/vcpu stats fd.
  1461.  * @data_offset: The offset of the vm/vcpu stats' data block in the file
  1462.  *               pointed by vm/vcpu stats fd.
  1463.  *
  1464.  * This is the header userspace needs to read from stats fd before any other
  1465.  * readings. It is used by userspace to discover all the information about the
  1466.  * vm/vcpu's binary statistics.
  1467.  * Userspace reads this header from the start of the vm/vcpu's stats fd.
  1468.  */
  1469. struct kvm_stats_header {
  1470. 	__u32 flags;
  1471. 	__u32 name_size;
  1472. 	__u32 num_desc;
  1473. 	__u32 id_offset;
  1474. 	__u32 desc_offset;
  1475. 	__u32 data_offset;
  1476. };
  1478. #define KVM_STATS_TYPE_SHIFT		0
  1479. #define KVM_STATS_TYPE_MASK		(0xF << KVM_STATS_TYPE_SHIFT)
  1480. #define KVM_STATS_TYPE_CUMULATIVE	(0x0 << KVM_STATS_TYPE_SHIFT)
  1481. #define KVM_STATS_TYPE_INSTANT		(0x1 << KVM_STATS_TYPE_SHIFT)
  1482. #define KVM_STATS_TYPE_PEAK		(0x2 << KVM_STATS_TYPE_SHIFT)
  1483. #define KVM_STATS_TYPE_LINEAR_HIST	(0x3 << KVM_STATS_TYPE_SHIFT)
  1484. #define KVM_STATS_TYPE_LOG_HIST		(0x4 << KVM_STATS_TYPE_SHIFT)
  1485. #define KVM_STATS_TYPE_MAX		KVM_STATS_TYPE_LOG_HIST
  1487. #define KVM_STATS_UNIT_SHIFT		4
  1488. #define KVM_STATS_UNIT_MASK		(0xF << KVM_STATS_UNIT_SHIFT)
  1489. #define KVM_STATS_UNIT_NONE		(0x0 << KVM_STATS_UNIT_SHIFT)
  1490. #define KVM_STATS_UNIT_BYTES		(0x1 << KVM_STATS_UNIT_SHIFT)
  1491. #define KVM_STATS_UNIT_SECONDS		(0x2 << KVM_STATS_UNIT_SHIFT)
  1492. #define KVM_STATS_UNIT_CYCLES		(0x3 << KVM_STATS_UNIT_SHIFT)
  1493. #define KVM_STATS_UNIT_BOOLEAN		(0x4 << KVM_STATS_UNIT_SHIFT)
  1494. #define KVM_STATS_UNIT_MAX		KVM_STATS_UNIT_BOOLEAN
  1496. #define KVM_STATS_BASE_SHIFT		8
  1497. #define KVM_STATS_BASE_MASK		(0xF << KVM_STATS_BASE_SHIFT)
  1498. #define KVM_STATS_BASE_POW10		(0x0 << KVM_STATS_BASE_SHIFT)
  1499. #define KVM_STATS_BASE_POW2		(0x1 << KVM_STATS_BASE_SHIFT)
  1500. #define KVM_STATS_BASE_MAX		KVM_STATS_BASE_POW2
  1502. /**
  1503.  * struct kvm_stats_desc - Descriptor of a KVM statistics.
  1504.  * @flags: Annotations of the stats, like type, unit, etc.
  1505.  * @exponent: Used together with @flags to determine the unit.
  1506.  * @size: The number of data items for this stats.
  1507.  *        Every data item is of type __u64.
  1508.  * @offset: The offset of the stats to the start of stat structure in
  1509.  *          structure kvm or kvm_vcpu.
  1510.  * @bucket_size: A parameter value used for histogram stats. It is only used
  1511.  *		for linear histogram stats, specifying the size of the bucket;
  1512.  * @name: The name string for the stats. Its size is indicated by the
  1513.  *        &kvm_stats_header->name_size.
  1514.  */
  1515. struct kvm_stats_desc {
  1516. 	__u32 flags;
  1517. 	__s16 exponent;
  1518. 	__u16 size;
  1519. 	__u32 offset;
  1520. 	__u32 bucket_size;
  1521. 	char name[];
  1522. };
  1524. #define KVM_GET_STATS_FD  _IO(KVMIO,  0xce)
  1526. /* Available with KVM_CAP_XSAVE2 */
  1527. #define KVM_GET_XSAVE2		  _IOR(KVMIO,  0xcf, struct kvm_xsave)
  1529. /* Available with KVM_CAP_S390_PROTECTED_DUMP */
  1530. #define KVM_S390_PV_CPU_COMMAND	_IOWR(KVMIO, 0xd0, struct kvm_pv_cmd)
  1532. /* Available with KVM_CAP_X86_NOTIFY_VMEXIT */
  1533. #define KVM_X86_NOTIFY_VMEXIT_ENABLED		(1ULL << 0)
  1534. #define KVM_X86_NOTIFY_VMEXIT_USER		(1ULL << 1)
  1536. /* Available with KVM_CAP_S390_ZPCI_OP */
  1537. #define KVM_S390_ZPCI_OP         _IOW(KVMIO,  0xd1, struct kvm_s390_zpci_op)
  1539. /* Available with KVM_CAP_MEMORY_ATTRIBUTES */
  1540. #define KVM_SET_MEMORY_ATTRIBUTES              _IOW(KVMIO,  0xd2, struct kvm_memory_attributes)
  1542. struct kvm_memory_attributes {
  1543. 	__u64 address;
  1544. 	__u64 size;
  1545. 	__u64 attributes;
  1546. 	__u64 flags;
  1547. };
  1549. #define KVM_MEMORY_ATTRIBUTE_PRIVATE           (1ULL << 3)
  1551. #define KVM_CREATE_GUEST_MEMFD	_IOWR(KVMIO,  0xd4, struct kvm_create_guest_memfd)
  1553. struct kvm_create_guest_memfd {
  1554. 	__u64 size;
  1555. 	__u64 flags;
  1556. 	__u64 reserved[6];
  1557. };
  1559. #define KVM_PRE_FAULT_MEMORY	_IOWR(KVMIO, 0xd5, struct kvm_pre_fault_memory)
  1561. struct kvm_pre_fault_memory {
  1562. 	__u64 gpa;
  1563. 	__u64 size;
  1564. 	__u64 flags;
  1565. 	__u64 padding[5];
  1566. };
  1568. #endif /* __LINUX_KVM_H */