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      1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
      2 #ifndef __LINUX_KVM_H
      3 #define __LINUX_KVM_H
      4 
      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  */
     10 
     11 #include <linux/types.h>
     12 #include <linux/compiler.h>
     13 #include <linux/ioctl.h>
     14 #include <asm/kvm.h>
     15 
     16 #define KVM_API_VERSION 12
     17 
     18 /* *** Deprecated interfaces *** */
     19 
     20 #define KVM_TRC_SHIFT           16
     21 
     22 #define KVM_TRC_ENTRYEXIT       (1 << KVM_TRC_SHIFT)
     23 #define KVM_TRC_HANDLER         (1 << (KVM_TRC_SHIFT + 1))
     24 
     25 #define KVM_TRC_VMENTRY         (KVM_TRC_ENTRYEXIT + 0x01)
     26 #define KVM_TRC_VMEXIT          (KVM_TRC_ENTRYEXIT + 0x02)
     27 #define KVM_TRC_PAGE_FAULT      (KVM_TRC_HANDLER + 0x01)
     28 
     29 #define KVM_TRC_HEAD_SIZE       12
     30 #define KVM_TRC_CYCLE_SIZE      8
     31 #define KVM_TRC_EXTRA_MAX       7
     32 
     33 #define KVM_TRC_INJ_VIRQ         (KVM_TRC_HANDLER + 0x02)
     34 #define KVM_TRC_REDELIVER_EVT    (KVM_TRC_HANDLER + 0x03)
     35 #define KVM_TRC_PEND_INTR        (KVM_TRC_HANDLER + 0x04)
     36 #define KVM_TRC_IO_READ          (KVM_TRC_HANDLER + 0x05)
     37 #define KVM_TRC_IO_WRITE         (KVM_TRC_HANDLER + 0x06)
     38 #define KVM_TRC_CR_READ          (KVM_TRC_HANDLER + 0x07)
     39 #define KVM_TRC_CR_WRITE         (KVM_TRC_HANDLER + 0x08)
     40 #define KVM_TRC_DR_READ          (KVM_TRC_HANDLER + 0x09)
     41 #define KVM_TRC_DR_WRITE         (KVM_TRC_HANDLER + 0x0A)
     42 #define KVM_TRC_MSR_READ         (KVM_TRC_HANDLER + 0x0B)
     43 #define KVM_TRC_MSR_WRITE        (KVM_TRC_HANDLER + 0x0C)
     44 #define KVM_TRC_CPUID            (KVM_TRC_HANDLER + 0x0D)
     45 #define KVM_TRC_INTR             (KVM_TRC_HANDLER + 0x0E)
     46 #define KVM_TRC_NMI              (KVM_TRC_HANDLER + 0x0F)
     47 #define KVM_TRC_VMMCALL          (KVM_TRC_HANDLER + 0x10)
     48 #define KVM_TRC_HLT              (KVM_TRC_HANDLER + 0x11)
     49 #define KVM_TRC_CLTS             (KVM_TRC_HANDLER + 0x12)
     50 #define KVM_TRC_LMSW             (KVM_TRC_HANDLER + 0x13)
     51 #define KVM_TRC_APIC_ACCESS      (KVM_TRC_HANDLER + 0x14)
     52 #define KVM_TRC_TDP_FAULT        (KVM_TRC_HANDLER + 0x15)
     53 #define KVM_TRC_GTLB_WRITE       (KVM_TRC_HANDLER + 0x16)
     54 #define KVM_TRC_STLB_WRITE       (KVM_TRC_HANDLER + 0x17)
     55 #define KVM_TRC_STLB_INVAL       (KVM_TRC_HANDLER + 0x18)
     56 #define KVM_TRC_PPC_INSTR        (KVM_TRC_HANDLER + 0x19)
     57 
     58 struct kvm_user_trace_setup {
     59 	__u32 buf_size;
     60 	__u32 buf_nr;
     61 };
     62 
     63 #define __KVM_DEPRECATED_MAIN_W_0x06 \
     64 	_IOW(KVMIO, 0x06, struct kvm_user_trace_setup)
     65 #define __KVM_DEPRECATED_MAIN_0x07 _IO(KVMIO, 0x07)
     66 #define __KVM_DEPRECATED_MAIN_0x08 _IO(KVMIO, 0x08)
     67 
     68 #define __KVM_DEPRECATED_VM_R_0x70 _IOR(KVMIO, 0x70, struct kvm_assigned_irq)
     69 
     70 struct kvm_breakpoint {
     71 	__u32 enabled;
     72 	__u32 padding;
     73 	__u64 address;
     74 };
     75 
     76 struct kvm_debug_guest {
     77 	__u32 enabled;
     78 	__u32 pad;
     79 	struct kvm_breakpoint breakpoints[4];
     80 	__u32 singlestep;
     81 };
     82 
     83 #define __KVM_DEPRECATED_VCPU_W_0x87 _IOW(KVMIO, 0x87, struct kvm_debug_guest)
     84 
     85 /* *** End of deprecated interfaces *** */
     86 
     87 
     88 /* for KVM_CREATE_MEMORY_REGION */
     89 struct kvm_memory_region {
     90 	__u32 slot;
     91 	__u32 flags;
     92 	__u64 guest_phys_addr;
     93 	__u64 memory_size; /* bytes */
     94 };
     95 
     96 /* for KVM_SET_USER_MEMORY_REGION */
     97 struct kvm_userspace_memory_region {
     98 	__u32 slot;
     99 	__u32 flags;
    100 	__u64 guest_phys_addr;
    101 	__u64 memory_size; /* bytes */
    102 	__u64 userspace_addr; /* start of the userspace allocated memory */
    103 };
    104 
    105 /*
    106  * The bit 0 ~ bit 15 of kvm_memory_region::flags are visible for userspace,
    107  * other bits are reserved for kvm internal use which are defined in
    108  * include/linux/kvm_host.h.
    109  */
    110 #define KVM_MEM_LOG_DIRTY_PAGES	(1UL << 0)
    111 #define KVM_MEM_READONLY	(1UL << 1)
    112 
    113 /* for KVM_IRQ_LINE */
    114 struct kvm_irq_level {
    115 	/*
    116 	 * ACPI gsi notion of irq.
    117 	 * For IA-64 (APIC model) IOAPIC0: irq 0-23; IOAPIC1: irq 24-47..
    118 	 * For X86 (standard AT mode) PIC0/1: irq 0-15. IOAPIC0: 0-23..
    119 	 * For ARM: See Documentation/virtual/kvm/api.txt
    120 	 */
    121 	union {
    122 		__u32 irq;
    123 		__s32 status;
    124 	};
    125 	__u32 level;
    126 };
    127 
    128 
    129 struct kvm_irqchip {
    130 	__u32 chip_id;
    131 	__u32 pad;
    132         union {
    133 		char dummy[512];  /* reserving space */
    134 #ifdef __KVM_HAVE_PIT
    135 		struct kvm_pic_state pic;
    136 #endif
    137 #ifdef __KVM_HAVE_IOAPIC
    138 		struct kvm_ioapic_state ioapic;
    139 #endif
    140 	} chip;
    141 };
    142 
    143 /* for KVM_CREATE_PIT2 */
    144 struct kvm_pit_config {
    145 	__u32 flags;
    146 	__u32 pad[15];
    147 };
    148 
    149 #define KVM_PIT_SPEAKER_DUMMY     1
    150 
    151 struct kvm_s390_skeys {
    152 	__u64 start_gfn;
    153 	__u64 count;
    154 	__u64 skeydata_addr;
    155 	__u32 flags;
    156 	__u32 reserved[9];
    157 };
    158 
    159 #define KVM_S390_CMMA_PEEK (1 << 0)
    160 
    161 /**
    162  * kvm_s390_cmma_log - Used for CMMA migration.
    163  *
    164  * Used both for input and output.
    165  *
    166  * @start_gfn: Guest page number to start from.
    167  * @count: Size of the result buffer.
    168  * @flags: Control operation mode via KVM_S390_CMMA_* flags
    169  * @remaining: Used with KVM_S390_GET_CMMA_BITS. Indicates how many dirty
    170  *             pages are still remaining.
    171  * @mask: Used with KVM_S390_SET_CMMA_BITS. Bitmap of bits to actually set
    172  *        in the PGSTE.
    173  * @values: Pointer to the values buffer.
    174  *
    175  * Used in KVM_S390_{G,S}ET_CMMA_BITS ioctls.
    176  */
    177 struct kvm_s390_cmma_log {
    178 	__u64 start_gfn;
    179 	__u32 count;
    180 	__u32 flags;
    181 	union {
    182 		__u64 remaining;
    183 		__u64 mask;
    184 	};
    185 	__u64 values;
    186 };
    187 
    188 struct kvm_hyperv_exit {
    189 #define KVM_EXIT_HYPERV_SYNIC          1
    190 #define KVM_EXIT_HYPERV_HCALL          2
    191 	__u32 type;
    192 	union {
    193 		struct {
    194 			__u32 msr;
    195 			__u64 control;
    196 			__u64 evt_page;
    197 			__u64 msg_page;
    198 		} synic;
    199 		struct {
    200 			__u64 input;
    201 			__u64 result;
    202 			__u64 params[2];
    203 		} hcall;
    204 	} u;
    205 };
    206 
    207 #define KVM_S390_GET_SKEYS_NONE   1
    208 #define KVM_S390_SKEYS_MAX        1048576
    209 
    210 #define KVM_EXIT_UNKNOWN          0
    211 #define KVM_EXIT_EXCEPTION        1
    212 #define KVM_EXIT_IO               2
    213 #define KVM_EXIT_HYPERCALL        3
    214 #define KVM_EXIT_DEBUG            4
    215 #define KVM_EXIT_HLT              5
    216 #define KVM_EXIT_MMIO             6
    217 #define KVM_EXIT_IRQ_WINDOW_OPEN  7
    218 #define KVM_EXIT_SHUTDOWN         8
    219 #define KVM_EXIT_FAIL_ENTRY       9
    220 #define KVM_EXIT_INTR             10
    221 #define KVM_EXIT_SET_TPR          11
    222 #define KVM_EXIT_TPR_ACCESS       12
    223 #define KVM_EXIT_S390_SIEIC       13
    224 #define KVM_EXIT_S390_RESET       14
    225 #define KVM_EXIT_DCR              15 /* deprecated */
    226 #define KVM_EXIT_NMI              16
    227 #define KVM_EXIT_INTERNAL_ERROR   17
    228 #define KVM_EXIT_OSI              18
    229 #define KVM_EXIT_PAPR_HCALL	  19
    230 #define KVM_EXIT_S390_UCONTROL	  20
    231 #define KVM_EXIT_WATCHDOG         21
    232 #define KVM_EXIT_S390_TSCH        22
    233 #define KVM_EXIT_EPR              23
    234 #define KVM_EXIT_SYSTEM_EVENT     24
    235 #define KVM_EXIT_S390_STSI        25
    236 #define KVM_EXIT_IOAPIC_EOI       26
    237 #define KVM_EXIT_HYPERV           27
    238 
    239 /* For KVM_EXIT_INTERNAL_ERROR */
    240 /* Emulate instruction failed. */
    241 #define KVM_INTERNAL_ERROR_EMULATION	1
    242 /* Encounter unexpected simultaneous exceptions. */
    243 #define KVM_INTERNAL_ERROR_SIMUL_EX	2
    244 /* Encounter unexpected vm-exit due to delivery event. */
    245 #define KVM_INTERNAL_ERROR_DELIVERY_EV	3
    246 
    247 /* for KVM_RUN, returned by mmap(vcpu_fd, offset=0) */
    248 struct kvm_run {
    249 	/* in */
    250 	__u8 request_interrupt_window;
    251 	__u8 immediate_exit;
    252 	__u8 padding1[6];
    253 
    254 	/* out */
    255 	__u32 exit_reason;
    256 	__u8 ready_for_interrupt_injection;
    257 	__u8 if_flag;
    258 	__u16 flags;
    259 
    260 	/* in (pre_kvm_run), out (post_kvm_run) */
    261 	__u64 cr8;
    262 	__u64 apic_base;
    263 
    264 #ifdef __KVM_S390
    265 	/* the processor status word for s390 */
    266 	__u64 psw_mask; /* psw upper half */
    267 	__u64 psw_addr; /* psw lower half */
    268 #endif
    269 	union {
    270 		/* KVM_EXIT_UNKNOWN */
    271 		struct {
    272 			__u64 hardware_exit_reason;
    273 		} hw;
    274 		/* KVM_EXIT_FAIL_ENTRY */
    275 		struct {
    276 			__u64 hardware_entry_failure_reason;
    277 		} fail_entry;
    278 		/* KVM_EXIT_EXCEPTION */
    279 		struct {
    280 			__u32 exception;
    281 			__u32 error_code;
    282 		} ex;
    283 		/* KVM_EXIT_IO */
    284 		struct {
    285 #define KVM_EXIT_IO_IN  0
    286 #define KVM_EXIT_IO_OUT 1
    287 			__u8 direction;
    288 			__u8 size; /* bytes */
    289 			__u16 port;
    290 			__u32 count;
    291 			__u64 data_offset; /* relative to kvm_run start */
    292 		} io;
    293 		/* KVM_EXIT_DEBUG */
    294 		struct {
    295 			struct kvm_debug_exit_arch arch;
    296 		} debug;
    297 		/* KVM_EXIT_MMIO */
    298 		struct {
    299 			__u64 phys_addr;
    300 			__u8  data[8];
    301 			__u32 len;
    302 			__u8  is_write;
    303 		} mmio;
    304 		/* KVM_EXIT_HYPERCALL */
    305 		struct {
    306 			__u64 nr;
    307 			__u64 args[6];
    308 			__u64 ret;
    309 			__u32 longmode;
    310 			__u32 pad;
    311 		} hypercall;
    312 		/* KVM_EXIT_TPR_ACCESS */
    313 		struct {
    314 			__u64 rip;
    315 			__u32 is_write;
    316 			__u32 pad;
    317 		} tpr_access;
    318 		/* KVM_EXIT_S390_SIEIC */
    319 		struct {
    320 			__u8 icptcode;
    321 			__u16 ipa;
    322 			__u32 ipb;
    323 		} s390_sieic;
    324 		/* KVM_EXIT_S390_RESET */
    325 #define KVM_S390_RESET_POR       1
    326 #define KVM_S390_RESET_CLEAR     2
    327 #define KVM_S390_RESET_SUBSYSTEM 4
    328 #define KVM_S390_RESET_CPU_INIT  8
    329 #define KVM_S390_RESET_IPL       16
    330 		__u64 s390_reset_flags;
    331 		/* KVM_EXIT_S390_UCONTROL */
    332 		struct {
    333 			__u64 trans_exc_code;
    334 			__u32 pgm_code;
    335 		} s390_ucontrol;
    336 		/* KVM_EXIT_DCR (deprecated) */
    337 		struct {
    338 			__u32 dcrn;
    339 			__u32 data;
    340 			__u8  is_write;
    341 		} dcr;
    342 		/* KVM_EXIT_INTERNAL_ERROR */
    343 		struct {
    344 			__u32 suberror;
    345 			/* Available with KVM_CAP_INTERNAL_ERROR_DATA: */
    346 			__u32 ndata;
    347 			__u64 data[16];
    348 		} internal;
    349 		/* KVM_EXIT_OSI */
    350 		struct {
    351 			__u64 gprs[32];
    352 		} osi;
    353 		/* KVM_EXIT_PAPR_HCALL */
    354 		struct {
    355 			__u64 nr;
    356 			__u64 ret;
    357 			__u64 args[9];
    358 		} papr_hcall;
    359 		/* KVM_EXIT_S390_TSCH */
    360 		struct {
    361 			__u16 subchannel_id;
    362 			__u16 subchannel_nr;
    363 			__u32 io_int_parm;
    364 			__u32 io_int_word;
    365 			__u32 ipb;
    366 			__u8 dequeued;
    367 		} s390_tsch;
    368 		/* KVM_EXIT_EPR */
    369 		struct {
    370 			__u32 epr;
    371 		} epr;
    372 		/* KVM_EXIT_SYSTEM_EVENT */
    373 		struct {
    374 #define KVM_SYSTEM_EVENT_SHUTDOWN       1
    375 #define KVM_SYSTEM_EVENT_RESET          2
    376 #define KVM_SYSTEM_EVENT_CRASH          3
    377 			__u32 type;
    378 			__u64 flags;
    379 		} system_event;
    380 		/* KVM_EXIT_S390_STSI */
    381 		struct {
    382 			__u64 addr;
    383 			__u8 ar;
    384 			__u8 reserved;
    385 			__u8 fc;
    386 			__u8 sel1;
    387 			__u16 sel2;
    388 		} s390_stsi;
    389 		/* KVM_EXIT_IOAPIC_EOI */
    390 		struct {
    391 			__u8 vector;
    392 		} eoi;
    393 		/* KVM_EXIT_HYPERV */
    394 		struct kvm_hyperv_exit hyperv;
    395 		/* Fix the size of the union. */
    396 		char padding[256];
    397 	};
    398 
    399 	/* 2048 is the size of the char array used to bound/pad the size
    400 	 * of the union that holds sync regs.
    401 	 */
    402 	#define SYNC_REGS_SIZE_BYTES 2048
    403 	/*
    404 	 * shared registers between kvm and userspace.
    405 	 * kvm_valid_regs specifies the register classes set by the host
    406 	 * kvm_dirty_regs specified the register classes dirtied by userspace
    407 	 * struct kvm_sync_regs is architecture specific, as well as the
    408 	 * bits for kvm_valid_regs and kvm_dirty_regs
    409 	 */
    410 	__u64 kvm_valid_regs;
    411 	__u64 kvm_dirty_regs;
    412 	union {
    413 		struct kvm_sync_regs regs;
    414 		char padding[SYNC_REGS_SIZE_BYTES];
    415 	} s;
    416 };
    417 
    418 /* for KVM_REGISTER_COALESCED_MMIO / KVM_UNREGISTER_COALESCED_MMIO */
    419 
    420 struct kvm_coalesced_mmio_zone {
    421 	__u64 addr;
    422 	__u32 size;
    423 	union {
    424 		__u32 pad;
    425 		__u32 pio;
    426 	};
    427 };
    428 
    429 struct kvm_coalesced_mmio {
    430 	__u64 phys_addr;
    431 	__u32 len;
    432 	union {
    433 		__u32 pad;
    434 		__u32 pio;
    435 	};
    436 	__u8  data[8];
    437 };
    438 
    439 struct kvm_coalesced_mmio_ring {
    440 	__u32 first, last;
    441 	struct kvm_coalesced_mmio coalesced_mmio[0];
    442 };
    443 
    444 #define KVM_COALESCED_MMIO_MAX \
    445 	((PAGE_SIZE - sizeof(struct kvm_coalesced_mmio_ring)) / \
    446 	 sizeof(struct kvm_coalesced_mmio))
    447 
    448 /* for KVM_TRANSLATE */
    449 struct kvm_translation {
    450 	/* in */
    451 	__u64 linear_address;
    452 
    453 	/* out */
    454 	__u64 physical_address;
    455 	__u8  valid;
    456 	__u8  writeable;
    457 	__u8  usermode;
    458 	__u8  pad[5];
    459 };
    460 
    461 /* for KVM_S390_MEM_OP */
    462 struct kvm_s390_mem_op {
    463 	/* in */
    464 	__u64 gaddr;		/* the guest address */
    465 	__u64 flags;		/* flags */
    466 	__u32 size;		/* amount of bytes */
    467 	__u32 op;		/* type of operation */
    468 	__u64 buf;		/* buffer in userspace */
    469 	__u8 ar;		/* the access register number */
    470 	__u8 reserved[31];	/* should be set to 0 */
    471 };
    472 /* types for kvm_s390_mem_op->op */
    473 #define KVM_S390_MEMOP_LOGICAL_READ	0
    474 #define KVM_S390_MEMOP_LOGICAL_WRITE	1
    475 /* flags for kvm_s390_mem_op->flags */
    476 #define KVM_S390_MEMOP_F_CHECK_ONLY		(1ULL << 0)
    477 #define KVM_S390_MEMOP_F_INJECT_EXCEPTION	(1ULL << 1)
    478 
    479 /* for KVM_INTERRUPT */
    480 struct kvm_interrupt {
    481 	/* in */
    482 	__u32 irq;
    483 };
    484 
    485 /* for KVM_GET_DIRTY_LOG */
    486 struct kvm_dirty_log {
    487 	__u32 slot;
    488 	__u32 padding1;
    489 	union {
    490 		void __user *dirty_bitmap; /* one bit per page */
    491 		__u64 padding2;
    492 	};
    493 };
    494 
    495 /* for KVM_CLEAR_DIRTY_LOG */
    496 struct kvm_clear_dirty_log {
    497 	__u32 slot;
    498 	__u32 num_pages;
    499 	__u64 first_page;
    500 	union {
    501 		void __user *dirty_bitmap; /* one bit per page */
    502 		__u64 padding2;
    503 	};
    504 };
    505 
    506 /* for KVM_SET_SIGNAL_MASK */
    507 struct kvm_signal_mask {
    508 	__u32 len;
    509 	__u8  sigset[0];
    510 };
    511 
    512 /* for KVM_TPR_ACCESS_REPORTING */
    513 struct kvm_tpr_access_ctl {
    514 	__u32 enabled;
    515 	__u32 flags;
    516 	__u32 reserved[8];
    517 };
    518 
    519 /* for KVM_SET_VAPIC_ADDR */
    520 struct kvm_vapic_addr {
    521 	__u64 vapic_addr;
    522 };
    523 
    524 /* for KVM_SET_MP_STATE */
    525 
    526 /* not all states are valid on all architectures */
    527 #define KVM_MP_STATE_RUNNABLE          0
    528 #define KVM_MP_STATE_UNINITIALIZED     1
    529 #define KVM_MP_STATE_INIT_RECEIVED     2
    530 #define KVM_MP_STATE_HALTED            3
    531 #define KVM_MP_STATE_SIPI_RECEIVED     4
    532 #define KVM_MP_STATE_STOPPED           5
    533 #define KVM_MP_STATE_CHECK_STOP        6
    534 #define KVM_MP_STATE_OPERATING         7
    535 #define KVM_MP_STATE_LOAD              8
    536 
    537 struct kvm_mp_state {
    538 	__u32 mp_state;
    539 };
    540 
    541 struct kvm_s390_psw {
    542 	__u64 mask;
    543 	__u64 addr;
    544 };
    545 
    546 /* valid values for type in kvm_s390_interrupt */
    547 #define KVM_S390_SIGP_STOP		0xfffe0000u
    548 #define KVM_S390_PROGRAM_INT		0xfffe0001u
    549 #define KVM_S390_SIGP_SET_PREFIX	0xfffe0002u
    550 #define KVM_S390_RESTART		0xfffe0003u
    551 #define KVM_S390_INT_PFAULT_INIT	0xfffe0004u
    552 #define KVM_S390_INT_PFAULT_DONE	0xfffe0005u
    553 #define KVM_S390_MCHK			0xfffe1000u
    554 #define KVM_S390_INT_CLOCK_COMP		0xffff1004u
    555 #define KVM_S390_INT_CPU_TIMER		0xffff1005u
    556 #define KVM_S390_INT_VIRTIO		0xffff2603u
    557 #define KVM_S390_INT_SERVICE		0xffff2401u
    558 #define KVM_S390_INT_EMERGENCY		0xffff1201u
    559 #define KVM_S390_INT_EXTERNAL_CALL	0xffff1202u
    560 /* Anything below 0xfffe0000u is taken by INT_IO */
    561 #define KVM_S390_INT_IO(ai,cssid,ssid,schid)   \
    562 	(((schid)) |			       \
    563 	 ((ssid) << 16) |		       \
    564 	 ((cssid) << 18) |		       \
    565 	 ((ai) << 26))
    566 #define KVM_S390_INT_IO_MIN		0x00000000u
    567 #define KVM_S390_INT_IO_MAX		0xfffdffffu
    568 #define KVM_S390_INT_IO_AI_MASK		0x04000000u
    569 
    570 
    571 struct kvm_s390_interrupt {
    572 	__u32 type;
    573 	__u32 parm;
    574 	__u64 parm64;
    575 };
    576 
    577 struct kvm_s390_io_info {
    578 	__u16 subchannel_id;
    579 	__u16 subchannel_nr;
    580 	__u32 io_int_parm;
    581 	__u32 io_int_word;
    582 };
    583 
    584 struct kvm_s390_ext_info {
    585 	__u32 ext_params;
    586 	__u32 pad;
    587 	__u64 ext_params2;
    588 };
    589 
    590 struct kvm_s390_pgm_info {
    591 	__u64 trans_exc_code;
    592 	__u64 mon_code;
    593 	__u64 per_address;
    594 	__u32 data_exc_code;
    595 	__u16 code;
    596 	__u16 mon_class_nr;
    597 	__u8 per_code;
    598 	__u8 per_atmid;
    599 	__u8 exc_access_id;
    600 	__u8 per_access_id;
    601 	__u8 op_access_id;
    602 #define KVM_S390_PGM_FLAGS_ILC_VALID	0x01
    603 #define KVM_S390_PGM_FLAGS_ILC_0	0x02
    604 #define KVM_S390_PGM_FLAGS_ILC_1	0x04
    605 #define KVM_S390_PGM_FLAGS_ILC_MASK	0x06
    606 #define KVM_S390_PGM_FLAGS_NO_REWIND	0x08
    607 	__u8 flags;
    608 	__u8 pad[2];
    609 };
    610 
    611 struct kvm_s390_prefix_info {
    612 	__u32 address;
    613 };
    614 
    615 struct kvm_s390_extcall_info {
    616 	__u16 code;
    617 };
    618 
    619 struct kvm_s390_emerg_info {
    620 	__u16 code;
    621 };
    622 
    623 #define KVM_S390_STOP_FLAG_STORE_STATUS	0x01
    624 struct kvm_s390_stop_info {
    625 	__u32 flags;
    626 };
    627 
    628 struct kvm_s390_mchk_info {
    629 	__u64 cr14;
    630 	__u64 mcic;
    631 	__u64 failing_storage_address;
    632 	__u32 ext_damage_code;
    633 	__u32 pad;
    634 	__u8 fixed_logout[16];
    635 };
    636 
    637 struct kvm_s390_irq {
    638 	__u64 type;
    639 	union {
    640 		struct kvm_s390_io_info io;
    641 		struct kvm_s390_ext_info ext;
    642 		struct kvm_s390_pgm_info pgm;
    643 		struct kvm_s390_emerg_info emerg;
    644 		struct kvm_s390_extcall_info extcall;
    645 		struct kvm_s390_prefix_info prefix;
    646 		struct kvm_s390_stop_info stop;
    647 		struct kvm_s390_mchk_info mchk;
    648 		char reserved[64];
    649 	} u;
    650 };
    651 
    652 struct kvm_s390_irq_state {
    653 	__u64 buf;
    654 	__u32 flags;        /* will stay unused for compatibility reasons */
    655 	__u32 len;
    656 	__u32 reserved[4];  /* will stay unused for compatibility reasons */
    657 };
    658 
    659 /* for KVM_SET_GUEST_DEBUG */
    660 
    661 #define KVM_GUESTDBG_ENABLE		0x00000001
    662 #define KVM_GUESTDBG_SINGLESTEP		0x00000002
    663 
    664 struct kvm_guest_debug {
    665 	__u32 control;
    666 	__u32 pad;
    667 	struct kvm_guest_debug_arch arch;
    668 };
    669 
    670 enum {
    671 	kvm_ioeventfd_flag_nr_datamatch,
    672 	kvm_ioeventfd_flag_nr_pio,
    673 	kvm_ioeventfd_flag_nr_deassign,
    674 	kvm_ioeventfd_flag_nr_virtio_ccw_notify,
    675 	kvm_ioeventfd_flag_nr_fast_mmio,
    676 	kvm_ioeventfd_flag_nr_max,
    677 };
    678 
    679 #define KVM_IOEVENTFD_FLAG_DATAMATCH (1 << kvm_ioeventfd_flag_nr_datamatch)
    680 #define KVM_IOEVENTFD_FLAG_PIO       (1 << kvm_ioeventfd_flag_nr_pio)
    681 #define KVM_IOEVENTFD_FLAG_DEASSIGN  (1 << kvm_ioeventfd_flag_nr_deassign)
    682 #define KVM_IOEVENTFD_FLAG_VIRTIO_CCW_NOTIFY \
    683 	(1 << kvm_ioeventfd_flag_nr_virtio_ccw_notify)
    684 
    685 #define KVM_IOEVENTFD_VALID_FLAG_MASK  ((1 << kvm_ioeventfd_flag_nr_max) - 1)
    686 
    687 struct kvm_ioeventfd {
    688 	__u64 datamatch;
    689 	__u64 addr;        /* legal pio/mmio address */
    690 	__u32 len;         /* 1, 2, 4, or 8 bytes; or 0 to ignore length */
    691 	__s32 fd;
    692 	__u32 flags;
    693 	__u8  pad[36];
    694 };
    695 
    696 #define KVM_X86_DISABLE_EXITS_MWAIT          (1 << 0)
    697 #define KVM_X86_DISABLE_EXITS_HLT            (1 << 1)
    698 #define KVM_X86_DISABLE_EXITS_PAUSE          (1 << 2)
    699 #define KVM_X86_DISABLE_VALID_EXITS          (KVM_X86_DISABLE_EXITS_MWAIT | \
    700                                               KVM_X86_DISABLE_EXITS_HLT | \
    701                                               KVM_X86_DISABLE_EXITS_PAUSE)
    702 
    703 /* for KVM_ENABLE_CAP */
    704 struct kvm_enable_cap {
    705 	/* in */
    706 	__u32 cap;
    707 	__u32 flags;
    708 	__u64 args[4];
    709 	__u8  pad[64];
    710 };
    711 
    712 /* for KVM_PPC_GET_PVINFO */
    713 
    714 #define KVM_PPC_PVINFO_FLAGS_EV_IDLE   (1<<0)
    715 
    716 struct kvm_ppc_pvinfo {
    717 	/* out */
    718 	__u32 flags;
    719 	__u32 hcall[4];
    720 	__u8  pad[108];
    721 };
    722 
    723 /* for KVM_PPC_GET_SMMU_INFO */
    724 #define KVM_PPC_PAGE_SIZES_MAX_SZ	8
    725 
    726 struct kvm_ppc_one_page_size {
    727 	__u32 page_shift;	/* Page shift (or 0) */
    728 	__u32 pte_enc;		/* Encoding in the HPTE (>>12) */
    729 };
    730 
    731 struct kvm_ppc_one_seg_page_size {
    732 	__u32 page_shift;	/* Base page shift of segment (or 0) */
    733 	__u32 slb_enc;		/* SLB encoding for BookS */
    734 	struct kvm_ppc_one_page_size enc[KVM_PPC_PAGE_SIZES_MAX_SZ];
    735 };
    736 
    737 #define KVM_PPC_PAGE_SIZES_REAL		0x00000001
    738 #define KVM_PPC_1T_SEGMENTS		0x00000002
    739 #define KVM_PPC_NO_HASH			0x00000004
    740 
    741 struct kvm_ppc_smmu_info {
    742 	__u64 flags;
    743 	__u32 slb_size;
    744 	__u16 data_keys;	/* # storage keys supported for data */
    745 	__u16 instr_keys;	/* # storage keys supported for instructions */
    746 	struct kvm_ppc_one_seg_page_size sps[KVM_PPC_PAGE_SIZES_MAX_SZ];
    747 };
    748 
    749 /* for KVM_PPC_RESIZE_HPT_{PREPARE,COMMIT} */
    750 struct kvm_ppc_resize_hpt {
    751 	__u64 flags;
    752 	__u32 shift;
    753 	__u32 pad;
    754 };
    755 
    756 #define KVMIO 0xAE
    757 
    758 /* machine type bits, to be used as argument to KVM_CREATE_VM */
    759 #define KVM_VM_S390_UCONTROL	1
    760 
    761 /* on ppc, 0 indicate default, 1 should force HV and 2 PR */
    762 #define KVM_VM_PPC_HV 1
    763 #define KVM_VM_PPC_PR 2
    764 
    765 /* on MIPS, 0 forces trap & emulate, 1 forces VZ ASE */
    766 #define KVM_VM_MIPS_TE		0
    767 #define KVM_VM_MIPS_VZ		1
    768 
    769 #define KVM_S390_SIE_PAGE_OFFSET 1
    770 
    771 /*
    772  * On arm64, machine type can be used to request the physical
    773  * address size for the VM. Bits[7-0] are reserved for the guest
    774  * PA size shift (i.e, log2(PA_Size)). For backward compatibility,
    775  * value 0 implies the default IPA size, 40bits.
    776  */
    777 #define KVM_VM_TYPE_ARM_IPA_SIZE_MASK	0xffULL
    778 #define KVM_VM_TYPE_ARM_IPA_SIZE(x)		\
    779 	((x) & KVM_VM_TYPE_ARM_IPA_SIZE_MASK)
    780 /*
    781  * ioctls for /dev/kvm fds:
    782  */
    783 #define KVM_GET_API_VERSION       _IO(KVMIO,   0x00)
    784 #define KVM_CREATE_VM             _IO(KVMIO,   0x01) /* returns a VM fd */
    785 #define KVM_GET_MSR_INDEX_LIST    _IOWR(KVMIO, 0x02, struct kvm_msr_list)
    786 
    787 #define KVM_S390_ENABLE_SIE       _IO(KVMIO,   0x06)
    788 /*
    789  * Check if a kvm extension is available.  Argument is extension number,
    790  * return is 1 (yes) or 0 (no, sorry).
    791  */
    792 #define KVM_CHECK_EXTENSION       _IO(KVMIO,   0x03)
    793 /*
    794  * Get size for mmap(vcpu_fd)
    795  */
    796 #define KVM_GET_VCPU_MMAP_SIZE    _IO(KVMIO,   0x04) /* in bytes */
    797 #define KVM_GET_SUPPORTED_CPUID   _IOWR(KVMIO, 0x05, struct kvm_cpuid2)
    798 #define KVM_TRACE_ENABLE          __KVM_DEPRECATED_MAIN_W_0x06
    799 #define KVM_TRACE_PAUSE           __KVM_DEPRECATED_MAIN_0x07
    800 #define KVM_TRACE_DISABLE         __KVM_DEPRECATED_MAIN_0x08
    801 #define KVM_GET_EMULATED_CPUID	  _IOWR(KVMIO, 0x09, struct kvm_cpuid2)
    802 #define KVM_GET_MSR_FEATURE_INDEX_LIST    _IOWR(KVMIO, 0x0a, struct kvm_msr_list)
    803 
    804 /*
    805  * Extension capability list.
    806  */
    807 #define KVM_CAP_IRQCHIP	  0
    808 #define KVM_CAP_HLT	  1
    809 #define KVM_CAP_MMU_SHADOW_CACHE_CONTROL 2
    810 #define KVM_CAP_USER_MEMORY 3
    811 #define KVM_CAP_SET_TSS_ADDR 4
    812 #define KVM_CAP_VAPIC 6
    813 #define KVM_CAP_EXT_CPUID 7
    814 #define KVM_CAP_CLOCKSOURCE 8
    815 #define KVM_CAP_NR_VCPUS 9       /* returns recommended max vcpus per vm */
    816 #define KVM_CAP_NR_MEMSLOTS 10   /* returns max memory slots per vm */
    817 #define KVM_CAP_PIT 11
    818 #define KVM_CAP_NOP_IO_DELAY 12
    819 #define KVM_CAP_PV_MMU 13
    820 #define KVM_CAP_MP_STATE 14
    821 #define KVM_CAP_COALESCED_MMIO 15
    822 #define KVM_CAP_SYNC_MMU 16  /* Changes to host mmap are reflected in guest */
    823 #define KVM_CAP_IOMMU 18
    824 /* Bug in KVM_SET_USER_MEMORY_REGION fixed: */
    825 #define KVM_CAP_DESTROY_MEMORY_REGION_WORKS 21
    826 #define KVM_CAP_USER_NMI 22
    827 #ifdef __KVM_HAVE_GUEST_DEBUG
    828 #define KVM_CAP_SET_GUEST_DEBUG 23
    829 #endif
    830 #ifdef __KVM_HAVE_PIT
    831 #define KVM_CAP_REINJECT_CONTROL 24
    832 #endif
    833 #define KVM_CAP_IRQ_ROUTING 25
    834 #define KVM_CAP_IRQ_INJECT_STATUS 26
    835 #define KVM_CAP_ASSIGN_DEV_IRQ 29
    836 /* Another bug in KVM_SET_USER_MEMORY_REGION fixed: */
    837 #define KVM_CAP_JOIN_MEMORY_REGIONS_WORKS 30
    838 #ifdef __KVM_HAVE_MCE
    839 #define KVM_CAP_MCE 31
    840 #endif
    841 #define KVM_CAP_IRQFD 32
    842 #ifdef __KVM_HAVE_PIT
    843 #define KVM_CAP_PIT2 33
    844 #endif
    845 #define KVM_CAP_SET_BOOT_CPU_ID 34
    846 #ifdef __KVM_HAVE_PIT_STATE2
    847 #define KVM_CAP_PIT_STATE2 35
    848 #endif
    849 #define KVM_CAP_IOEVENTFD 36
    850 #define KVM_CAP_SET_IDENTITY_MAP_ADDR 37
    851 #ifdef __KVM_HAVE_XEN_HVM
    852 #define KVM_CAP_XEN_HVM 38
    853 #endif
    854 #define KVM_CAP_ADJUST_CLOCK 39
    855 #define KVM_CAP_INTERNAL_ERROR_DATA 40
    856 #ifdef __KVM_HAVE_VCPU_EVENTS
    857 #define KVM_CAP_VCPU_EVENTS 41
    858 #endif
    859 #define KVM_CAP_S390_PSW 42
    860 #define KVM_CAP_PPC_SEGSTATE 43
    861 #define KVM_CAP_HYPERV 44
    862 #define KVM_CAP_HYPERV_VAPIC 45
    863 #define KVM_CAP_HYPERV_SPIN 46
    864 #define KVM_CAP_PCI_SEGMENT 47
    865 #define KVM_CAP_PPC_PAIRED_SINGLES 48
    866 #define KVM_CAP_INTR_SHADOW 49
    867 #ifdef __KVM_HAVE_DEBUGREGS
    868 #define KVM_CAP_DEBUGREGS 50
    869 #endif
    870 #define KVM_CAP_X86_ROBUST_SINGLESTEP 51
    871 #define KVM_CAP_PPC_OSI 52
    872 #define KVM_CAP_PPC_UNSET_IRQ 53
    873 #define KVM_CAP_ENABLE_CAP 54
    874 #ifdef __KVM_HAVE_XSAVE
    875 #define KVM_CAP_XSAVE 55
    876 #endif
    877 #ifdef __KVM_HAVE_XCRS
    878 #define KVM_CAP_XCRS 56
    879 #endif
    880 #define KVM_CAP_PPC_GET_PVINFO 57
    881 #define KVM_CAP_PPC_IRQ_LEVEL 58
    882 #define KVM_CAP_ASYNC_PF 59
    883 #define KVM_CAP_TSC_CONTROL 60
    884 #define KVM_CAP_GET_TSC_KHZ 61
    885 #define KVM_CAP_PPC_BOOKE_SREGS 62
    886 #define KVM_CAP_SPAPR_TCE 63
    887 #define KVM_CAP_PPC_SMT 64
    888 #define KVM_CAP_PPC_RMA	65
    889 #define KVM_CAP_MAX_VCPUS 66       /* returns max vcpus per vm */
    890 #define KVM_CAP_PPC_HIOR 67
    891 #define KVM_CAP_PPC_PAPR 68
    892 #define KVM_CAP_SW_TLB 69
    893 #define KVM_CAP_ONE_REG 70
    894 #define KVM_CAP_S390_GMAP 71
    895 #define KVM_CAP_TSC_DEADLINE_TIMER 72
    896 #define KVM_CAP_S390_UCONTROL 73
    897 #define KVM_CAP_SYNC_REGS 74
    898 #define KVM_CAP_PCI_2_3 75
    899 #define KVM_CAP_KVMCLOCK_CTRL 76
    900 #define KVM_CAP_SIGNAL_MSI 77
    901 #define KVM_CAP_PPC_GET_SMMU_INFO 78
    902 #define KVM_CAP_S390_COW 79
    903 #define KVM_CAP_PPC_ALLOC_HTAB 80
    904 #define KVM_CAP_READONLY_MEM 81
    905 #define KVM_CAP_IRQFD_RESAMPLE 82
    906 #define KVM_CAP_PPC_BOOKE_WATCHDOG 83
    907 #define KVM_CAP_PPC_HTAB_FD 84
    908 #define KVM_CAP_S390_CSS_SUPPORT 85
    909 #define KVM_CAP_PPC_EPR 86
    910 #define KVM_CAP_ARM_PSCI 87
    911 #define KVM_CAP_ARM_SET_DEVICE_ADDR 88
    912 #define KVM_CAP_DEVICE_CTRL 89
    913 #define KVM_CAP_IRQ_MPIC 90
    914 #define KVM_CAP_PPC_RTAS 91
    915 #define KVM_CAP_IRQ_XICS 92
    916 #define KVM_CAP_ARM_EL1_32BIT 93
    917 #define KVM_CAP_SPAPR_MULTITCE 94
    918 #define KVM_CAP_EXT_EMUL_CPUID 95
    919 #define KVM_CAP_HYPERV_TIME 96
    920 #define KVM_CAP_IOAPIC_POLARITY_IGNORED 97
    921 #define KVM_CAP_ENABLE_CAP_VM 98
    922 #define KVM_CAP_S390_IRQCHIP 99
    923 #define KVM_CAP_IOEVENTFD_NO_LENGTH 100
    924 #define KVM_CAP_VM_ATTRIBUTES 101
    925 #define KVM_CAP_ARM_PSCI_0_2 102
    926 #define KVM_CAP_PPC_FIXUP_HCALL 103
    927 #define KVM_CAP_PPC_ENABLE_HCALL 104
    928 #define KVM_CAP_CHECK_EXTENSION_VM 105
    929 #define KVM_CAP_S390_USER_SIGP 106
    930 #define KVM_CAP_S390_VECTOR_REGISTERS 107
    931 #define KVM_CAP_S390_MEM_OP 108
    932 #define KVM_CAP_S390_USER_STSI 109
    933 #define KVM_CAP_S390_SKEYS 110
    934 #define KVM_CAP_MIPS_FPU 111
    935 #define KVM_CAP_MIPS_MSA 112
    936 #define KVM_CAP_S390_INJECT_IRQ 113
    937 #define KVM_CAP_S390_IRQ_STATE 114
    938 #define KVM_CAP_PPC_HWRNG 115
    939 #define KVM_CAP_DISABLE_QUIRKS 116
    940 #define KVM_CAP_X86_SMM 117
    941 #define KVM_CAP_MULTI_ADDRESS_SPACE 118
    942 #define KVM_CAP_GUEST_DEBUG_HW_BPS 119
    943 #define KVM_CAP_GUEST_DEBUG_HW_WPS 120
    944 #define KVM_CAP_SPLIT_IRQCHIP 121
    945 #define KVM_CAP_IOEVENTFD_ANY_LENGTH 122
    946 #define KVM_CAP_HYPERV_SYNIC 123
    947 #define KVM_CAP_S390_RI 124
    948 #define KVM_CAP_SPAPR_TCE_64 125
    949 #define KVM_CAP_ARM_PMU_V3 126
    950 #define KVM_CAP_VCPU_ATTRIBUTES 127
    951 #define KVM_CAP_MAX_VCPU_ID 128
    952 #define KVM_CAP_X2APIC_API 129
    953 #define KVM_CAP_S390_USER_INSTR0 130
    954 #define KVM_CAP_MSI_DEVID 131
    955 #define KVM_CAP_PPC_HTM 132
    956 #define KVM_CAP_SPAPR_RESIZE_HPT 133
    957 #define KVM_CAP_PPC_MMU_RADIX 134
    958 #define KVM_CAP_PPC_MMU_HASH_V3 135
    959 #define KVM_CAP_IMMEDIATE_EXIT 136
    960 #define KVM_CAP_MIPS_VZ 137
    961 #define KVM_CAP_MIPS_TE 138
    962 #define KVM_CAP_MIPS_64BIT 139
    963 #define KVM_CAP_S390_GS 140
    964 #define KVM_CAP_S390_AIS 141
    965 #define KVM_CAP_SPAPR_TCE_VFIO 142
    966 #define KVM_CAP_X86_DISABLE_EXITS 143
    967 #define KVM_CAP_ARM_USER_IRQ 144
    968 #define KVM_CAP_S390_CMMA_MIGRATION 145
    969 #define KVM_CAP_PPC_FWNMI 146
    970 #define KVM_CAP_PPC_SMT_POSSIBLE 147
    971 #define KVM_CAP_HYPERV_SYNIC2 148
    972 #define KVM_CAP_HYPERV_VP_INDEX 149
    973 #define KVM_CAP_S390_AIS_MIGRATION 150
    974 #define KVM_CAP_PPC_GET_CPU_CHAR 151
    975 #define KVM_CAP_S390_BPB 152
    976 #define KVM_CAP_GET_MSR_FEATURES 153
    977 #define KVM_CAP_HYPERV_EVENTFD 154
    978 #define KVM_CAP_HYPERV_TLBFLUSH 155
    979 #define KVM_CAP_S390_HPAGE_1M 156
    980 #define KVM_CAP_NESTED_STATE 157
    981 #define KVM_CAP_ARM_INJECT_SERROR_ESR 158
    982 #define KVM_CAP_MSR_PLATFORM_INFO 159
    983 #define KVM_CAP_PPC_NESTED_HV 160
    984 #define KVM_CAP_HYPERV_SEND_IPI 161
    985 #define KVM_CAP_COALESCED_PIO 162
    986 #define KVM_CAP_HYPERV_ENLIGHTENED_VMCS 163
    987 #define KVM_CAP_EXCEPTION_PAYLOAD 164
    988 #define KVM_CAP_ARM_VM_IPA_SIZE 165
    989 #define KVM_CAP_MANUAL_DIRTY_LOG_PROTECT 166
    990 #define KVM_CAP_HYPERV_CPUID 167
    991 
    992 #ifdef KVM_CAP_IRQ_ROUTING
    993 
    994 struct kvm_irq_routing_irqchip {
    995 	__u32 irqchip;
    996 	__u32 pin;
    997 };
    998 
    999 struct kvm_irq_routing_msi {
   1000 	__u32 address_lo;
   1001 	__u32 address_hi;
   1002 	__u32 data;
   1003 	union {
   1004 		__u32 pad;
   1005 		__u32 devid;
   1006 	};
   1007 };
   1008 
   1009 struct kvm_irq_routing_s390_adapter {
   1010 	__u64 ind_addr;
   1011 	__u64 summary_addr;
   1012 	__u64 ind_offset;
   1013 	__u32 summary_offset;
   1014 	__u32 adapter_id;
   1015 };
   1016 
   1017 struct kvm_irq_routing_hv_sint {
   1018 	__u32 vcpu;
   1019 	__u32 sint;
   1020 };
   1021 
   1022 /* gsi routing entry types */
   1023 #define KVM_IRQ_ROUTING_IRQCHIP 1
   1024 #define KVM_IRQ_ROUTING_MSI 2
   1025 #define KVM_IRQ_ROUTING_S390_ADAPTER 3
   1026 #define KVM_IRQ_ROUTING_HV_SINT 4
   1027 
   1028 struct kvm_irq_routing_entry {
   1029 	__u32 gsi;
   1030 	__u32 type;
   1031 	__u32 flags;
   1032 	__u32 pad;
   1033 	union {
   1034 		struct kvm_irq_routing_irqchip irqchip;
   1035 		struct kvm_irq_routing_msi msi;
   1036 		struct kvm_irq_routing_s390_adapter adapter;
   1037 		struct kvm_irq_routing_hv_sint hv_sint;
   1038 		__u32 pad[8];
   1039 	} u;
   1040 };
   1041 
   1042 struct kvm_irq_routing {
   1043 	__u32 nr;
   1044 	__u32 flags;
   1045 	struct kvm_irq_routing_entry entries[0];
   1046 };
   1047 
   1048 #endif
   1049 
   1050 #ifdef KVM_CAP_MCE
   1051 /* x86 MCE */
   1052 struct kvm_x86_mce {
   1053 	__u64 status;
   1054 	__u64 addr;
   1055 	__u64 misc;
   1056 	__u64 mcg_status;
   1057 	__u8 bank;
   1058 	__u8 pad1[7];
   1059 	__u64 pad2[3];
   1060 };
   1061 #endif
   1062 
   1063 #ifdef KVM_CAP_XEN_HVM
   1064 struct kvm_xen_hvm_config {
   1065 	__u32 flags;
   1066 	__u32 msr;
   1067 	__u64 blob_addr_32;
   1068 	__u64 blob_addr_64;
   1069 	__u8 blob_size_32;
   1070 	__u8 blob_size_64;
   1071 	__u8 pad2[30];
   1072 };
   1073 #endif
   1074 
   1075 #define KVM_IRQFD_FLAG_DEASSIGN (1 << 0)
   1076 /*
   1077  * Available with KVM_CAP_IRQFD_RESAMPLE
   1078  *
   1079  * KVM_IRQFD_FLAG_RESAMPLE indicates resamplefd is valid and specifies
   1080  * the irqfd to operate in resampling mode for level triggered interrupt
   1081  * emulation.  See Documentation/virtual/kvm/api.txt.
   1082  */
   1083 #define KVM_IRQFD_FLAG_RESAMPLE (1 << 1)
   1084 
   1085 struct kvm_irqfd {
   1086 	__u32 fd;
   1087 	__u32 gsi;
   1088 	__u32 flags;
   1089 	__u32 resamplefd;
   1090 	__u8  pad[16];
   1091 };
   1092 
   1093 /* For KVM_CAP_ADJUST_CLOCK */
   1094 
   1095 /* Do not use 1, KVM_CHECK_EXTENSION returned it before we had flags.  */
   1096 #define KVM_CLOCK_TSC_STABLE		2
   1097 
   1098 struct kvm_clock_data {
   1099 	__u64 clock;
   1100 	__u32 flags;
   1101 	__u32 pad[9];
   1102 };
   1103 
   1104 /* For KVM_CAP_SW_TLB */
   1105 
   1106 #define KVM_MMU_FSL_BOOKE_NOHV		0
   1107 #define KVM_MMU_FSL_BOOKE_HV		1
   1108 
   1109 struct kvm_config_tlb {
   1110 	__u64 params;
   1111 	__u64 array;
   1112 	__u32 mmu_type;
   1113 	__u32 array_len;
   1114 };
   1115 
   1116 struct kvm_dirty_tlb {
   1117 	__u64 bitmap;
   1118 	__u32 num_dirty;
   1119 };
   1120 
   1121 /* Available with KVM_CAP_ONE_REG */
   1122 
   1123 #define KVM_REG_ARCH_MASK	0xff00000000000000ULL
   1124 #define KVM_REG_GENERIC		0x0000000000000000ULL
   1125 
   1126 /*
   1127  * Architecture specific registers are to be defined in arch headers and
   1128  * ORed with the arch identifier.
   1129  */
   1130 #define KVM_REG_PPC		0x1000000000000000ULL
   1131 #define KVM_REG_X86		0x2000000000000000ULL
   1132 #define KVM_REG_IA64		0x3000000000000000ULL
   1133 #define KVM_REG_ARM		0x4000000000000000ULL
   1134 #define KVM_REG_S390		0x5000000000000000ULL
   1135 #define KVM_REG_ARM64		0x6000000000000000ULL
   1136 #define KVM_REG_MIPS		0x7000000000000000ULL
   1137 
   1138 #define KVM_REG_SIZE_SHIFT	52
   1139 #define KVM_REG_SIZE_MASK	0x00f0000000000000ULL
   1140 #define KVM_REG_SIZE_U8		0x0000000000000000ULL
   1141 #define KVM_REG_SIZE_U16	0x0010000000000000ULL
   1142 #define KVM_REG_SIZE_U32	0x0020000000000000ULL
   1143 #define KVM_REG_SIZE_U64	0x0030000000000000ULL
   1144 #define KVM_REG_SIZE_U128	0x0040000000000000ULL
   1145 #define KVM_REG_SIZE_U256	0x0050000000000000ULL
   1146 #define KVM_REG_SIZE_U512	0x0060000000000000ULL
   1147 #define KVM_REG_SIZE_U1024	0x0070000000000000ULL
   1148 
   1149 struct kvm_reg_list {
   1150 	__u64 n; /* number of regs */
   1151 	__u64 reg[0];
   1152 };
   1153 
   1154 struct kvm_one_reg {
   1155 	__u64 id;
   1156 	__u64 addr;
   1157 };
   1158 
   1159 #define KVM_MSI_VALID_DEVID	(1U << 0)
   1160 struct kvm_msi {
   1161 	__u32 address_lo;
   1162 	__u32 address_hi;
   1163 	__u32 data;
   1164 	__u32 flags;
   1165 	__u32 devid;
   1166 	__u8  pad[12];
   1167 };
   1168 
   1169 struct kvm_arm_device_addr {
   1170 	__u64 id;
   1171 	__u64 addr;
   1172 };
   1173 
   1174 /*
   1175  * Device control API, available with KVM_CAP_DEVICE_CTRL
   1176  */
   1177 #define KVM_CREATE_DEVICE_TEST		1
   1178 
   1179 struct kvm_create_device {
   1180 	__u32	type;	/* in: KVM_DEV_TYPE_xxx */
   1181 	__u32	fd;	/* out: device handle */
   1182 	__u32	flags;	/* in: KVM_CREATE_DEVICE_xxx */
   1183 };
   1184 
   1185 struct kvm_device_attr {
   1186 	__u32	flags;		/* no flags currently defined */
   1187 	__u32	group;		/* device-defined */
   1188 	__u64	attr;		/* group-defined */
   1189 	__u64	addr;		/* userspace address of attr data */
   1190 };
   1191 
   1192 #define  KVM_DEV_VFIO_GROUP			1
   1193 #define   KVM_DEV_VFIO_GROUP_ADD			1
   1194 #define   KVM_DEV_VFIO_GROUP_DEL			2
   1195 #define   KVM_DEV_VFIO_GROUP_SET_SPAPR_TCE		3
   1196 
   1197 enum kvm_device_type {
   1198 	KVM_DEV_TYPE_FSL_MPIC_20	= 1,
   1199 #define KVM_DEV_TYPE_FSL_MPIC_20	KVM_DEV_TYPE_FSL_MPIC_20
   1200 	KVM_DEV_TYPE_FSL_MPIC_42,
   1201 #define KVM_DEV_TYPE_FSL_MPIC_42	KVM_DEV_TYPE_FSL_MPIC_42
   1202 	KVM_DEV_TYPE_XICS,
   1203 #define KVM_DEV_TYPE_XICS		KVM_DEV_TYPE_XICS
   1204 	KVM_DEV_TYPE_VFIO,
   1205 #define KVM_DEV_TYPE_VFIO		KVM_DEV_TYPE_VFIO
   1206 	KVM_DEV_TYPE_ARM_VGIC_V2,
   1207 #define KVM_DEV_TYPE_ARM_VGIC_V2	KVM_DEV_TYPE_ARM_VGIC_V2
   1208 	KVM_DEV_TYPE_FLIC,
   1209 #define KVM_DEV_TYPE_FLIC		KVM_DEV_TYPE_FLIC
   1210 	KVM_DEV_TYPE_ARM_VGIC_V3,
   1211 #define KVM_DEV_TYPE_ARM_VGIC_V3	KVM_DEV_TYPE_ARM_VGIC_V3
   1212 	KVM_DEV_TYPE_ARM_VGIC_ITS,
   1213 #define KVM_DEV_TYPE_ARM_VGIC_ITS	KVM_DEV_TYPE_ARM_VGIC_ITS
   1214 	KVM_DEV_TYPE_MAX,
   1215 };
   1216 
   1217 struct kvm_vfio_spapr_tce {
   1218 	__s32	groupfd;
   1219 	__s32	tablefd;
   1220 };
   1221 
   1222 /*
   1223  * ioctls for VM fds
   1224  */
   1225 #define KVM_SET_MEMORY_REGION     _IOW(KVMIO,  0x40, struct kvm_memory_region)
   1226 /*
   1227  * KVM_CREATE_VCPU receives as a parameter the vcpu slot, and returns
   1228  * a vcpu fd.
   1229  */
   1230 #define KVM_CREATE_VCPU           _IO(KVMIO,   0x41)
   1231 #define KVM_GET_DIRTY_LOG         _IOW(KVMIO,  0x42, struct kvm_dirty_log)
   1232 /* KVM_SET_MEMORY_ALIAS is obsolete: */
   1233 #define KVM_SET_MEMORY_ALIAS      _IOW(KVMIO,  0x43, struct kvm_memory_alias)
   1234 #define KVM_SET_NR_MMU_PAGES      _IO(KVMIO,   0x44)
   1235 #define KVM_GET_NR_MMU_PAGES      _IO(KVMIO,   0x45)
   1236 #define KVM_SET_USER_MEMORY_REGION _IOW(KVMIO, 0x46, \
   1237 					struct kvm_userspace_memory_region)
   1238 #define KVM_SET_TSS_ADDR          _IO(KVMIO,   0x47)
   1239 #define KVM_SET_IDENTITY_MAP_ADDR _IOW(KVMIO,  0x48, __u64)
   1240 
   1241 /* enable ucontrol for s390 */
   1242 struct kvm_s390_ucas_mapping {
   1243 	__u64 user_addr;
   1244 	__u64 vcpu_addr;
   1245 	__u64 length;
   1246 };
   1247 #define KVM_S390_UCAS_MAP        _IOW(KVMIO, 0x50, struct kvm_s390_ucas_mapping)
   1248 #define KVM_S390_UCAS_UNMAP      _IOW(KVMIO, 0x51, struct kvm_s390_ucas_mapping)
   1249 #define KVM_S390_VCPU_FAULT	 _IOW(KVMIO, 0x52, unsigned long)
   1250 
   1251 /* Device model IOC */
   1252 #define KVM_CREATE_IRQCHIP        _IO(KVMIO,   0x60)
   1253 #define KVM_IRQ_LINE              _IOW(KVMIO,  0x61, struct kvm_irq_level)
   1254 #define KVM_GET_IRQCHIP           _IOWR(KVMIO, 0x62, struct kvm_irqchip)
   1255 #define KVM_SET_IRQCHIP           _IOR(KVMIO,  0x63, struct kvm_irqchip)
   1256 #define KVM_CREATE_PIT            _IO(KVMIO,   0x64)
   1257 #define KVM_GET_PIT               _IOWR(KVMIO, 0x65, struct kvm_pit_state)
   1258 #define KVM_SET_PIT               _IOR(KVMIO,  0x66, struct kvm_pit_state)
   1259 #define KVM_IRQ_LINE_STATUS       _IOWR(KVMIO, 0x67, struct kvm_irq_level)
   1260 #define KVM_REGISTER_COALESCED_MMIO \
   1261 			_IOW(KVMIO,  0x67, struct kvm_coalesced_mmio_zone)
   1262 #define KVM_UNREGISTER_COALESCED_MMIO \
   1263 			_IOW(KVMIO,  0x68, struct kvm_coalesced_mmio_zone)
   1264 #define KVM_ASSIGN_PCI_DEVICE     _IOR(KVMIO,  0x69, \
   1265 				       struct kvm_assigned_pci_dev)
   1266 #define KVM_SET_GSI_ROUTING       _IOW(KVMIO,  0x6a, struct kvm_irq_routing)
   1267 /* deprecated, replaced by KVM_ASSIGN_DEV_IRQ */
   1268 #define KVM_ASSIGN_IRQ            __KVM_DEPRECATED_VM_R_0x70
   1269 #define KVM_ASSIGN_DEV_IRQ        _IOW(KVMIO,  0x70, struct kvm_assigned_irq)
   1270 #define KVM_REINJECT_CONTROL      _IO(KVMIO,   0x71)
   1271 #define KVM_DEASSIGN_PCI_DEVICE   _IOW(KVMIO,  0x72, \
   1272 				       struct kvm_assigned_pci_dev)
   1273 #define KVM_ASSIGN_SET_MSIX_NR    _IOW(KVMIO,  0x73, \
   1274 				       struct kvm_assigned_msix_nr)
   1275 #define KVM_ASSIGN_SET_MSIX_ENTRY _IOW(KVMIO,  0x74, \
   1276 				       struct kvm_assigned_msix_entry)
   1277 #define KVM_DEASSIGN_DEV_IRQ      _IOW(KVMIO,  0x75, struct kvm_assigned_irq)
   1278 #define KVM_IRQFD                 _IOW(KVMIO,  0x76, struct kvm_irqfd)
   1279 #define KVM_CREATE_PIT2		  _IOW(KVMIO,  0x77, struct kvm_pit_config)
   1280 #define KVM_SET_BOOT_CPU_ID       _IO(KVMIO,   0x78)
   1281 #define KVM_IOEVENTFD             _IOW(KVMIO,  0x79, struct kvm_ioeventfd)
   1282 #define KVM_XEN_HVM_CONFIG        _IOW(KVMIO,  0x7a, struct kvm_xen_hvm_config)
   1283 #define KVM_SET_CLOCK             _IOW(KVMIO,  0x7b, struct kvm_clock_data)
   1284 #define KVM_GET_CLOCK             _IOR(KVMIO,  0x7c, struct kvm_clock_data)
   1285 /* Available with KVM_CAP_PIT_STATE2 */
   1286 #define KVM_GET_PIT2              _IOR(KVMIO,  0x9f, struct kvm_pit_state2)
   1287 #define KVM_SET_PIT2              _IOW(KVMIO,  0xa0, struct kvm_pit_state2)
   1288 /* Available with KVM_CAP_PPC_GET_PVINFO */
   1289 #define KVM_PPC_GET_PVINFO	  _IOW(KVMIO,  0xa1, struct kvm_ppc_pvinfo)
   1290 /* Available with KVM_CAP_TSC_CONTROL */
   1291 #define KVM_SET_TSC_KHZ           _IO(KVMIO,  0xa2)
   1292 #define KVM_GET_TSC_KHZ           _IO(KVMIO,  0xa3)
   1293 /* Available with KVM_CAP_PCI_2_3 */
   1294 #define KVM_ASSIGN_SET_INTX_MASK  _IOW(KVMIO,  0xa4, \
   1295 				       struct kvm_assigned_pci_dev)
   1296 /* Available with KVM_CAP_SIGNAL_MSI */
   1297 #define KVM_SIGNAL_MSI            _IOW(KVMIO,  0xa5, struct kvm_msi)
   1298 /* Available with KVM_CAP_PPC_GET_SMMU_INFO */
   1299 #define KVM_PPC_GET_SMMU_INFO	  _IOR(KVMIO,  0xa6, struct kvm_ppc_smmu_info)
   1300 /* Available with KVM_CAP_PPC_ALLOC_HTAB */
   1301 #define KVM_PPC_ALLOCATE_HTAB	  _IOWR(KVMIO, 0xa7, __u32)
   1302 #define KVM_CREATE_SPAPR_TCE	  _IOW(KVMIO,  0xa8, struct kvm_create_spapr_tce)
   1303 #define KVM_CREATE_SPAPR_TCE_64	  _IOW(KVMIO,  0xa8, \
   1304 				       struct kvm_create_spapr_tce_64)
   1305 /* Available with KVM_CAP_RMA */
   1306 #define KVM_ALLOCATE_RMA	  _IOR(KVMIO,  0xa9, struct kvm_allocate_rma)
   1307 /* Available with KVM_CAP_PPC_HTAB_FD */
   1308 #define KVM_PPC_GET_HTAB_FD	  _IOW(KVMIO,  0xaa, struct kvm_get_htab_fd)
   1309 /* Available with KVM_CAP_ARM_SET_DEVICE_ADDR */
   1310 #define KVM_ARM_SET_DEVICE_ADDR	  _IOW(KVMIO,  0xab, struct kvm_arm_device_addr)
   1311 /* Available with KVM_CAP_PPC_RTAS */
   1312 #define KVM_PPC_RTAS_DEFINE_TOKEN _IOW(KVMIO,  0xac, struct kvm_rtas_token_args)
   1313 /* Available with KVM_CAP_SPAPR_RESIZE_HPT */
   1314 #define KVM_PPC_RESIZE_HPT_PREPARE _IOR(KVMIO, 0xad, struct kvm_ppc_resize_hpt)
   1315 #define KVM_PPC_RESIZE_HPT_COMMIT  _IOR(KVMIO, 0xae, struct kvm_ppc_resize_hpt)
   1316 /* Available with KVM_CAP_PPC_RADIX_MMU or KVM_CAP_PPC_HASH_MMU_V3 */
   1317 #define KVM_PPC_CONFIGURE_V3_MMU  _IOW(KVMIO,  0xaf, struct kvm_ppc_mmuv3_cfg)
   1318 /* Available with KVM_CAP_PPC_RADIX_MMU */
   1319 #define KVM_PPC_GET_RMMU_INFO	  _IOW(KVMIO,  0xb0, struct kvm_ppc_rmmu_info)
   1320 /* Available with KVM_CAP_PPC_GET_CPU_CHAR */
   1321 #define KVM_PPC_GET_CPU_CHAR	  _IOR(KVMIO,  0xb1, struct kvm_ppc_cpu_char)
   1322 
   1323 /* ioctl for vm fd */
   1324 #define KVM_CREATE_DEVICE	  _IOWR(KVMIO,  0xe0, struct kvm_create_device)
   1325 
   1326 /* ioctls for fds returned by KVM_CREATE_DEVICE */
   1327 #define KVM_SET_DEVICE_ATTR	  _IOW(KVMIO,  0xe1, struct kvm_device_attr)
   1328 #define KVM_GET_DEVICE_ATTR	  _IOW(KVMIO,  0xe2, struct kvm_device_attr)
   1329 #define KVM_HAS_DEVICE_ATTR	  _IOW(KVMIO,  0xe3, struct kvm_device_attr)
   1330 
   1331 /*
   1332  * ioctls for vcpu fds
   1333  */
   1334 #define KVM_RUN                   _IO(KVMIO,   0x80)
   1335 #define KVM_GET_REGS              _IOR(KVMIO,  0x81, struct kvm_regs)
   1336 #define KVM_SET_REGS              _IOW(KVMIO,  0x82, struct kvm_regs)
   1337 #define KVM_GET_SREGS             _IOR(KVMIO,  0x83, struct kvm_sregs)
   1338 #define KVM_SET_SREGS             _IOW(KVMIO,  0x84, struct kvm_sregs)
   1339 #define KVM_TRANSLATE             _IOWR(KVMIO, 0x85, struct kvm_translation)
   1340 #define KVM_INTERRUPT             _IOW(KVMIO,  0x86, struct kvm_interrupt)
   1341 /* KVM_DEBUG_GUEST is no longer supported, use KVM_SET_GUEST_DEBUG instead */
   1342 #define KVM_DEBUG_GUEST           __KVM_DEPRECATED_VCPU_W_0x87
   1343 #define KVM_GET_MSRS              _IOWR(KVMIO, 0x88, struct kvm_msrs)
   1344 #define KVM_SET_MSRS              _IOW(KVMIO,  0x89, struct kvm_msrs)
   1345 #define KVM_SET_CPUID             _IOW(KVMIO,  0x8a, struct kvm_cpuid)
   1346 #define KVM_SET_SIGNAL_MASK       _IOW(KVMIO,  0x8b, struct kvm_signal_mask)
   1347 #define KVM_GET_FPU               _IOR(KVMIO,  0x8c, struct kvm_fpu)
   1348 #define KVM_SET_FPU               _IOW(KVMIO,  0x8d, struct kvm_fpu)
   1349 #define KVM_GET_LAPIC             _IOR(KVMIO,  0x8e, struct kvm_lapic_state)
   1350 #define KVM_SET_LAPIC             _IOW(KVMIO,  0x8f, struct kvm_lapic_state)
   1351 #define KVM_SET_CPUID2            _IOW(KVMIO,  0x90, struct kvm_cpuid2)
   1352 #define KVM_GET_CPUID2            _IOWR(KVMIO, 0x91, struct kvm_cpuid2)
   1353 /* Available with KVM_CAP_VAPIC */
   1354 #define KVM_TPR_ACCESS_REPORTING  _IOWR(KVMIO, 0x92, struct kvm_tpr_access_ctl)
   1355 /* Available with KVM_CAP_VAPIC */
   1356 #define KVM_SET_VAPIC_ADDR        _IOW(KVMIO,  0x93, struct kvm_vapic_addr)
   1357 /* valid for virtual machine (for floating interrupt)_and_ vcpu */
   1358 #define KVM_S390_INTERRUPT        _IOW(KVMIO,  0x94, struct kvm_s390_interrupt)
   1359 /* store status for s390 */
   1360 #define KVM_S390_STORE_STATUS_NOADDR    (-1ul)
   1361 #define KVM_S390_STORE_STATUS_PREFIXED  (-2ul)
   1362 #define KVM_S390_STORE_STATUS	  _IOW(KVMIO,  0x95, unsigned long)
   1363 /* initial ipl psw for s390 */
   1364 #define KVM_S390_SET_INITIAL_PSW  _IOW(KVMIO,  0x96, struct kvm_s390_psw)
   1365 /* initial reset for s390 */
   1366 #define KVM_S390_INITIAL_RESET    _IO(KVMIO,   0x97)
   1367 #define KVM_GET_MP_STATE          _IOR(KVMIO,  0x98, struct kvm_mp_state)
   1368 #define KVM_SET_MP_STATE          _IOW(KVMIO,  0x99, struct kvm_mp_state)
   1369 /* Available with KVM_CAP_USER_NMI */
   1370 #define KVM_NMI                   _IO(KVMIO,   0x9a)
   1371 /* Available with KVM_CAP_SET_GUEST_DEBUG */
   1372 #define KVM_SET_GUEST_DEBUG       _IOW(KVMIO,  0x9b, struct kvm_guest_debug)
   1373 /* MCE for x86 */
   1374 #define KVM_X86_SETUP_MCE         _IOW(KVMIO,  0x9c, __u64)
   1375 #define KVM_X86_GET_MCE_CAP_SUPPORTED _IOR(KVMIO,  0x9d, __u64)
   1376 #define KVM_X86_SET_MCE           _IOW(KVMIO,  0x9e, struct kvm_x86_mce)
   1377 /* Available with KVM_CAP_VCPU_EVENTS */
   1378 #define KVM_GET_VCPU_EVENTS       _IOR(KVMIO,  0x9f, struct kvm_vcpu_events)
   1379 #define KVM_SET_VCPU_EVENTS       _IOW(KVMIO,  0xa0, struct kvm_vcpu_events)
   1380 /* Available with KVM_CAP_DEBUGREGS */
   1381 #define KVM_GET_DEBUGREGS         _IOR(KVMIO,  0xa1, struct kvm_debugregs)
   1382 #define KVM_SET_DEBUGREGS         _IOW(KVMIO,  0xa2, struct kvm_debugregs)
   1383 /*
   1384  * vcpu version available with KVM_ENABLE_CAP
   1385  * vm version available with KVM_CAP_ENABLE_CAP_VM
   1386  */
   1387 #define KVM_ENABLE_CAP            _IOW(KVMIO,  0xa3, struct kvm_enable_cap)
   1388 /* Available with KVM_CAP_XSAVE */
   1389 #define KVM_GET_XSAVE		  _IOR(KVMIO,  0xa4, struct kvm_xsave)
   1390 #define KVM_SET_XSAVE		  _IOW(KVMIO,  0xa5, struct kvm_xsave)
   1391 /* Available with KVM_CAP_XCRS */
   1392 #define KVM_GET_XCRS		  _IOR(KVMIO,  0xa6, struct kvm_xcrs)
   1393 #define KVM_SET_XCRS		  _IOW(KVMIO,  0xa7, struct kvm_xcrs)
   1394 /* Available with KVM_CAP_SW_TLB */
   1395 #define KVM_DIRTY_TLB		  _IOW(KVMIO,  0xaa, struct kvm_dirty_tlb)
   1396 /* Available with KVM_CAP_ONE_REG */
   1397 #define KVM_GET_ONE_REG		  _IOW(KVMIO,  0xab, struct kvm_one_reg)
   1398 #define KVM_SET_ONE_REG		  _IOW(KVMIO,  0xac, struct kvm_one_reg)
   1399 /* VM is being stopped by host */
   1400 #define KVM_KVMCLOCK_CTRL	  _IO(KVMIO,   0xad)
   1401 #define KVM_ARM_VCPU_INIT	  _IOW(KVMIO,  0xae, struct kvm_vcpu_init)
   1402 #define KVM_ARM_PREFERRED_TARGET  _IOR(KVMIO,  0xaf, struct kvm_vcpu_init)
   1403 #define KVM_GET_REG_LIST	  _IOWR(KVMIO, 0xb0, struct kvm_reg_list)
   1404 /* Available with KVM_CAP_S390_MEM_OP */
   1405 #define KVM_S390_MEM_OP		  _IOW(KVMIO,  0xb1, struct kvm_s390_mem_op)
   1406 /* Available with KVM_CAP_S390_SKEYS */
   1407 #define KVM_S390_GET_SKEYS      _IOW(KVMIO, 0xb2, struct kvm_s390_skeys)
   1408 #define KVM_S390_SET_SKEYS      _IOW(KVMIO, 0xb3, struct kvm_s390_skeys)
   1409 /* Available with KVM_CAP_S390_INJECT_IRQ */
   1410 #define KVM_S390_IRQ              _IOW(KVMIO,  0xb4, struct kvm_s390_irq)
   1411 /* Available with KVM_CAP_S390_IRQ_STATE */
   1412 #define KVM_S390_SET_IRQ_STATE	  _IOW(KVMIO, 0xb5, struct kvm_s390_irq_state)
   1413 #define KVM_S390_GET_IRQ_STATE	  _IOW(KVMIO, 0xb6, struct kvm_s390_irq_state)
   1414 /* Available with KVM_CAP_X86_SMM */
   1415 #define KVM_SMI                   _IO(KVMIO,   0xb7)
   1416 /* Available with KVM_CAP_S390_CMMA_MIGRATION */
   1417 #define KVM_S390_GET_CMMA_BITS      _IOWR(KVMIO, 0xb8, struct kvm_s390_cmma_log)
   1418 #define KVM_S390_SET_CMMA_BITS      _IOW(KVMIO, 0xb9, struct kvm_s390_cmma_log)
   1419 /* Memory Encryption Commands */
   1420 #define KVM_MEMORY_ENCRYPT_OP      _IOWR(KVMIO, 0xba, unsigned long)
   1421 
   1422 struct kvm_enc_region {
   1423 	__u64 addr;
   1424 	__u64 size;
   1425 };
   1426 
   1427 #define KVM_MEMORY_ENCRYPT_REG_REGION    _IOR(KVMIO, 0xbb, struct kvm_enc_region)
   1428 #define KVM_MEMORY_ENCRYPT_UNREG_REGION  _IOR(KVMIO, 0xbc, struct kvm_enc_region)
   1429 
   1430 /* Available with KVM_CAP_HYPERV_EVENTFD */
   1431 #define KVM_HYPERV_EVENTFD        _IOW(KVMIO,  0xbd, struct kvm_hyperv_eventfd)
   1432 
   1433 /* Available with KVM_CAP_NESTED_STATE */
   1434 #define KVM_GET_NESTED_STATE         _IOWR(KVMIO, 0xbe, struct kvm_nested_state)
   1435 #define KVM_SET_NESTED_STATE         _IOW(KVMIO,  0xbf, struct kvm_nested_state)
   1436 
   1437 /* Available with KVM_CAP_MANUAL_DIRTY_LOG_PROTECT */
   1438 #define KVM_CLEAR_DIRTY_LOG          _IOWR(KVMIO, 0xc0, struct kvm_clear_dirty_log)
   1439 
   1440 /* Available with KVM_CAP_HYPERV_CPUID */
   1441 #define KVM_GET_SUPPORTED_HV_CPUID _IOWR(KVMIO, 0xc1, struct kvm_cpuid2)
   1442 
   1443 /* Secure Encrypted Virtualization command */
   1444 enum sev_cmd_id {
   1445 	/* Guest initialization commands */
   1446 	KVM_SEV_INIT = 0,
   1447 	KVM_SEV_ES_INIT,
   1448 	/* Guest launch commands */
   1449 	KVM_SEV_LAUNCH_START,
   1450 	KVM_SEV_LAUNCH_UPDATE_DATA,
   1451 	KVM_SEV_LAUNCH_UPDATE_VMSA,
   1452 	KVM_SEV_LAUNCH_SECRET,
   1453 	KVM_SEV_LAUNCH_MEASURE,
   1454 	KVM_SEV_LAUNCH_FINISH,
   1455 	/* Guest migration commands (outgoing) */
   1456 	KVM_SEV_SEND_START,
   1457 	KVM_SEV_SEND_UPDATE_DATA,
   1458 	KVM_SEV_SEND_UPDATE_VMSA,
   1459 	KVM_SEV_SEND_FINISH,
   1460 	/* Guest migration commands (incoming) */
   1461 	KVM_SEV_RECEIVE_START,
   1462 	KVM_SEV_RECEIVE_UPDATE_DATA,
   1463 	KVM_SEV_RECEIVE_UPDATE_VMSA,
   1464 	KVM_SEV_RECEIVE_FINISH,
   1465 	/* Guest status and debug commands */
   1466 	KVM_SEV_GUEST_STATUS,
   1467 	KVM_SEV_DBG_DECRYPT,
   1468 	KVM_SEV_DBG_ENCRYPT,
   1469 	/* Guest certificates commands */
   1470 	KVM_SEV_CERT_EXPORT,
   1471 
   1472 	KVM_SEV_NR_MAX,
   1473 };
   1474 
   1475 struct kvm_sev_cmd {
   1476 	__u32 id;
   1477 	__u64 data;
   1478 	__u32 error;
   1479 	__u32 sev_fd;
   1480 };
   1481 
   1482 struct kvm_sev_launch_start {
   1483 	__u32 handle;
   1484 	__u32 policy;
   1485 	__u64 dh_uaddr;
   1486 	__u32 dh_len;
   1487 	__u64 session_uaddr;
   1488 	__u32 session_len;
   1489 };
   1490 
   1491 struct kvm_sev_launch_update_data {
   1492 	__u64 uaddr;
   1493 	__u32 len;
   1494 };
   1495 
   1496 
   1497 struct kvm_sev_launch_secret {
   1498 	__u64 hdr_uaddr;
   1499 	__u32 hdr_len;
   1500 	__u64 guest_uaddr;
   1501 	__u32 guest_len;
   1502 	__u64 trans_uaddr;
   1503 	__u32 trans_len;
   1504 };
   1505 
   1506 struct kvm_sev_launch_measure {
   1507 	__u64 uaddr;
   1508 	__u32 len;
   1509 };
   1510 
   1511 struct kvm_sev_guest_status {
   1512 	__u32 handle;
   1513 	__u32 policy;
   1514 	__u32 state;
   1515 };
   1516 
   1517 struct kvm_sev_dbg {
   1518 	__u64 src_uaddr;
   1519 	__u64 dst_uaddr;
   1520 	__u32 len;
   1521 };
   1522 
   1523 #define KVM_DEV_ASSIGN_ENABLE_IOMMU	(1 << 0)
   1524 #define KVM_DEV_ASSIGN_PCI_2_3		(1 << 1)
   1525 #define KVM_DEV_ASSIGN_MASK_INTX	(1 << 2)
   1526 
   1527 struct kvm_assigned_pci_dev {
   1528 	__u32 assigned_dev_id;
   1529 	__u32 busnr;
   1530 	__u32 devfn;
   1531 	__u32 flags;
   1532 	__u32 segnr;
   1533 	union {
   1534 		__u32 reserved[11];
   1535 	};
   1536 };
   1537 
   1538 #define KVM_DEV_IRQ_HOST_INTX    (1 << 0)
   1539 #define KVM_DEV_IRQ_HOST_MSI     (1 << 1)
   1540 #define KVM_DEV_IRQ_HOST_MSIX    (1 << 2)
   1541 
   1542 #define KVM_DEV_IRQ_GUEST_INTX   (1 << 8)
   1543 #define KVM_DEV_IRQ_GUEST_MSI    (1 << 9)
   1544 #define KVM_DEV_IRQ_GUEST_MSIX   (1 << 10)
   1545 
   1546 #define KVM_DEV_IRQ_HOST_MASK	 0x00ff
   1547 #define KVM_DEV_IRQ_GUEST_MASK   0xff00
   1548 
   1549 struct kvm_assigned_irq {
   1550 	__u32 assigned_dev_id;
   1551 	__u32 host_irq; /* ignored (legacy field) */
   1552 	__u32 guest_irq;
   1553 	__u32 flags;
   1554 	union {
   1555 		__u32 reserved[12];
   1556 	};
   1557 };
   1558 
   1559 struct kvm_assigned_msix_nr {
   1560 	__u32 assigned_dev_id;
   1561 	__u16 entry_nr;
   1562 	__u16 padding;
   1563 };
   1564 
   1565 #define KVM_MAX_MSIX_PER_DEV		256
   1566 struct kvm_assigned_msix_entry {
   1567 	__u32 assigned_dev_id;
   1568 	__u32 gsi;
   1569 	__u16 entry; /* The index of entry in the MSI-X table */
   1570 	__u16 padding[3];
   1571 };
   1572 
   1573 #define KVM_X2APIC_API_USE_32BIT_IDS            (1ULL << 0)
   1574 #define KVM_X2APIC_API_DISABLE_BROADCAST_QUIRK  (1ULL << 1)
   1575 
   1576 /* Available with KVM_CAP_ARM_USER_IRQ */
   1577 
   1578 /* Bits for run->s.regs.device_irq_level */
   1579 #define KVM_ARM_DEV_EL1_VTIMER		(1 << 0)
   1580 #define KVM_ARM_DEV_EL1_PTIMER		(1 << 1)
   1581 #define KVM_ARM_DEV_PMU			(1 << 2)
   1582 
   1583 struct kvm_hyperv_eventfd {
   1584 	__u32 conn_id;
   1585 	__s32 fd;
   1586 	__u32 flags;
   1587 	__u32 padding[3];
   1588 };
   1589 
   1590 #define KVM_HYPERV_CONN_ID_MASK		0x00ffffff
   1591 #define KVM_HYPERV_EVENTFD_DEASSIGN	(1 << 0)
   1592 
   1593 #endif /* __LINUX_KVM_H */
   1594