Back to home page

OSCL-LXR
 
 

     

0001 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
0002 #ifndef __LINUX_KVM_H
0003 #define __LINUX_KVM_H
0004 
0005 /*
0006  * Userspace interface for /dev/kvm - kernel based virtual machine
0007  *
0008  * Note: you must update KVM_API_VERSION if you change this interface.
0009  */
0010 
0011 #include <linux/const.h>
0012 #include <linux/types.h>
0013 #include <linux/compiler.h>
0014 #include <linux/ioctl.h>
0015 #include <asm/kvm.h>
0016 
0017 #define KVM_API_VERSION 12
0018 
0019 /* *** Deprecated interfaces *** */
0020 
0021 #define KVM_TRC_SHIFT           16
0022 
0023 #define KVM_TRC_ENTRYEXIT       (1 << KVM_TRC_SHIFT)
0024 #define KVM_TRC_HANDLER         (1 << (KVM_TRC_SHIFT + 1))
0025 
0026 #define KVM_TRC_VMENTRY         (KVM_TRC_ENTRYEXIT + 0x01)
0027 #define KVM_TRC_VMEXIT          (KVM_TRC_ENTRYEXIT + 0x02)
0028 #define KVM_TRC_PAGE_FAULT      (KVM_TRC_HANDLER + 0x01)
0029 
0030 #define KVM_TRC_HEAD_SIZE       12
0031 #define KVM_TRC_CYCLE_SIZE      8
0032 #define KVM_TRC_EXTRA_MAX       7
0033 
0034 #define KVM_TRC_INJ_VIRQ         (KVM_TRC_HANDLER + 0x02)
0035 #define KVM_TRC_REDELIVER_EVT    (KVM_TRC_HANDLER + 0x03)
0036 #define KVM_TRC_PEND_INTR        (KVM_TRC_HANDLER + 0x04)
0037 #define KVM_TRC_IO_READ          (KVM_TRC_HANDLER + 0x05)
0038 #define KVM_TRC_IO_WRITE         (KVM_TRC_HANDLER + 0x06)
0039 #define KVM_TRC_CR_READ          (KVM_TRC_HANDLER + 0x07)
0040 #define KVM_TRC_CR_WRITE         (KVM_TRC_HANDLER + 0x08)
0041 #define KVM_TRC_DR_READ          (KVM_TRC_HANDLER + 0x09)
0042 #define KVM_TRC_DR_WRITE         (KVM_TRC_HANDLER + 0x0A)
0043 #define KVM_TRC_MSR_READ         (KVM_TRC_HANDLER + 0x0B)
0044 #define KVM_TRC_MSR_WRITE        (KVM_TRC_HANDLER + 0x0C)
0045 #define KVM_TRC_CPUID            (KVM_TRC_HANDLER + 0x0D)
0046 #define KVM_TRC_INTR             (KVM_TRC_HANDLER + 0x0E)
0047 #define KVM_TRC_NMI              (KVM_TRC_HANDLER + 0x0F)
0048 #define KVM_TRC_VMMCALL          (KVM_TRC_HANDLER + 0x10)
0049 #define KVM_TRC_HLT              (KVM_TRC_HANDLER + 0x11)
0050 #define KVM_TRC_CLTS             (KVM_TRC_HANDLER + 0x12)
0051 #define KVM_TRC_LMSW             (KVM_TRC_HANDLER + 0x13)
0052 #define KVM_TRC_APIC_ACCESS      (KVM_TRC_HANDLER + 0x14)
0053 #define KVM_TRC_TDP_FAULT        (KVM_TRC_HANDLER + 0x15)
0054 #define KVM_TRC_GTLB_WRITE       (KVM_TRC_HANDLER + 0x16)
0055 #define KVM_TRC_STLB_WRITE       (KVM_TRC_HANDLER + 0x17)
0056 #define KVM_TRC_STLB_INVAL       (KVM_TRC_HANDLER + 0x18)
0057 #define KVM_TRC_PPC_INSTR        (KVM_TRC_HANDLER + 0x19)
0058 
0059 struct kvm_user_trace_setup {
0060     __u32 buf_size;
0061     __u32 buf_nr;
0062 };
0063 
0064 #define __KVM_DEPRECATED_MAIN_W_0x06 \
0065     _IOW(KVMIO, 0x06, struct kvm_user_trace_setup)
0066 #define __KVM_DEPRECATED_MAIN_0x07 _IO(KVMIO, 0x07)
0067 #define __KVM_DEPRECATED_MAIN_0x08 _IO(KVMIO, 0x08)
0068 
0069 #define __KVM_DEPRECATED_VM_R_0x70 _IOR(KVMIO, 0x70, struct kvm_assigned_irq)
0070 
0071 struct kvm_breakpoint {
0072     __u32 enabled;
0073     __u32 padding;
0074     __u64 address;
0075 };
0076 
0077 struct kvm_debug_guest {
0078     __u32 enabled;
0079     __u32 pad;
0080     struct kvm_breakpoint breakpoints[4];
0081     __u32 singlestep;
0082 };
0083 
0084 #define __KVM_DEPRECATED_VCPU_W_0x87 _IOW(KVMIO, 0x87, struct kvm_debug_guest)
0085 
0086 /* *** End of deprecated interfaces *** */
0087 
0088 
0089 /* for KVM_CREATE_MEMORY_REGION */
0090 struct kvm_memory_region {
0091     __u32 slot;
0092     __u32 flags;
0093     __u64 guest_phys_addr;
0094     __u64 memory_size; /* bytes */
0095 };
0096 
0097 /* for KVM_SET_USER_MEMORY_REGION */
0098 struct kvm_userspace_memory_region {
0099     __u32 slot;
0100     __u32 flags;
0101     __u64 guest_phys_addr;
0102     __u64 memory_size; /* bytes */
0103     __u64 userspace_addr; /* start of the userspace allocated memory */
0104 };
0105 
0106 /*
0107  * The bit 0 ~ bit 15 of kvm_memory_region::flags are visible for userspace,
0108  * other bits are reserved for kvm internal use which are defined in
0109  * include/linux/kvm_host.h.
0110  */
0111 #define KVM_MEM_LOG_DIRTY_PAGES (1UL << 0)
0112 #define KVM_MEM_READONLY    (1UL << 1)
0113 
0114 /* for KVM_IRQ_LINE */
0115 struct kvm_irq_level {
0116     /*
0117      * ACPI gsi notion of irq.
0118      * For IA-64 (APIC model) IOAPIC0: irq 0-23; IOAPIC1: irq 24-47..
0119      * For X86 (standard AT mode) PIC0/1: irq 0-15. IOAPIC0: 0-23..
0120      * For ARM: See Documentation/virt/kvm/api.rst
0121      */
0122     union {
0123         __u32 irq;
0124         __s32 status;
0125     };
0126     __u32 level;
0127 };
0128 
0129 
0130 struct kvm_irqchip {
0131     __u32 chip_id;
0132     __u32 pad;
0133         union {
0134         char dummy[512];  /* reserving space */
0135 #ifdef __KVM_HAVE_PIT
0136         struct kvm_pic_state pic;
0137 #endif
0138 #ifdef __KVM_HAVE_IOAPIC
0139         struct kvm_ioapic_state ioapic;
0140 #endif
0141     } chip;
0142 };
0143 
0144 /* for KVM_CREATE_PIT2 */
0145 struct kvm_pit_config {
0146     __u32 flags;
0147     __u32 pad[15];
0148 };
0149 
0150 #define KVM_PIT_SPEAKER_DUMMY     1
0151 
0152 struct kvm_s390_skeys {
0153     __u64 start_gfn;
0154     __u64 count;
0155     __u64 skeydata_addr;
0156     __u32 flags;
0157     __u32 reserved[9];
0158 };
0159 
0160 #define KVM_S390_CMMA_PEEK (1 << 0)
0161 
0162 /**
0163  * kvm_s390_cmma_log - Used for CMMA migration.
0164  *
0165  * Used both for input and output.
0166  *
0167  * @start_gfn: Guest page number to start from.
0168  * @count: Size of the result buffer.
0169  * @flags: Control operation mode via KVM_S390_CMMA_* flags
0170  * @remaining: Used with KVM_S390_GET_CMMA_BITS. Indicates how many dirty
0171  *             pages are still remaining.
0172  * @mask: Used with KVM_S390_SET_CMMA_BITS. Bitmap of bits to actually set
0173  *        in the PGSTE.
0174  * @values: Pointer to the values buffer.
0175  *
0176  * Used in KVM_S390_{G,S}ET_CMMA_BITS ioctls.
0177  */
0178 struct kvm_s390_cmma_log {
0179     __u64 start_gfn;
0180     __u32 count;
0181     __u32 flags;
0182     union {
0183         __u64 remaining;
0184         __u64 mask;
0185     };
0186     __u64 values;
0187 };
0188 
0189 struct kvm_hyperv_exit {
0190 #define KVM_EXIT_HYPERV_SYNIC          1
0191 #define KVM_EXIT_HYPERV_HCALL          2
0192 #define KVM_EXIT_HYPERV_SYNDBG         3
0193     __u32 type;
0194     __u32 pad1;
0195     union {
0196         struct {
0197             __u32 msr;
0198             __u32 pad2;
0199             __u64 control;
0200             __u64 evt_page;
0201             __u64 msg_page;
0202         } synic;
0203         struct {
0204             __u64 input;
0205             __u64 result;
0206             __u64 params[2];
0207         } hcall;
0208         struct {
0209             __u32 msr;
0210             __u32 pad2;
0211             __u64 control;
0212             __u64 status;
0213             __u64 send_page;
0214             __u64 recv_page;
0215             __u64 pending_page;
0216         } syndbg;
0217     } u;
0218 };
0219 
0220 struct kvm_xen_exit {
0221 #define KVM_EXIT_XEN_HCALL          1
0222     __u32 type;
0223     union {
0224         struct {
0225             __u32 longmode;
0226             __u32 cpl;
0227             __u64 input;
0228             __u64 result;
0229             __u64 params[6];
0230         } hcall;
0231     } u;
0232 };
0233 
0234 #define KVM_S390_GET_SKEYS_NONE   1
0235 #define KVM_S390_SKEYS_MAX        1048576
0236 
0237 #define KVM_EXIT_UNKNOWN          0
0238 #define KVM_EXIT_EXCEPTION        1
0239 #define KVM_EXIT_IO               2
0240 #define KVM_EXIT_HYPERCALL        3
0241 #define KVM_EXIT_DEBUG            4
0242 #define KVM_EXIT_HLT              5
0243 #define KVM_EXIT_MMIO             6
0244 #define KVM_EXIT_IRQ_WINDOW_OPEN  7
0245 #define KVM_EXIT_SHUTDOWN         8
0246 #define KVM_EXIT_FAIL_ENTRY       9
0247 #define KVM_EXIT_INTR             10
0248 #define KVM_EXIT_SET_TPR          11
0249 #define KVM_EXIT_TPR_ACCESS       12
0250 #define KVM_EXIT_S390_SIEIC       13
0251 #define KVM_EXIT_S390_RESET       14
0252 #define KVM_EXIT_DCR              15 /* deprecated */
0253 #define KVM_EXIT_NMI              16
0254 #define KVM_EXIT_INTERNAL_ERROR   17
0255 #define KVM_EXIT_OSI              18
0256 #define KVM_EXIT_PAPR_HCALL   19
0257 #define KVM_EXIT_S390_UCONTROL    20
0258 #define KVM_EXIT_WATCHDOG         21
0259 #define KVM_EXIT_S390_TSCH        22
0260 #define KVM_EXIT_EPR              23
0261 #define KVM_EXIT_SYSTEM_EVENT     24
0262 #define KVM_EXIT_S390_STSI        25
0263 #define KVM_EXIT_IOAPIC_EOI       26
0264 #define KVM_EXIT_HYPERV           27
0265 #define KVM_EXIT_ARM_NISV         28
0266 #define KVM_EXIT_X86_RDMSR        29
0267 #define KVM_EXIT_X86_WRMSR        30
0268 #define KVM_EXIT_DIRTY_RING_FULL  31
0269 #define KVM_EXIT_AP_RESET_HOLD    32
0270 #define KVM_EXIT_X86_BUS_LOCK     33
0271 #define KVM_EXIT_XEN              34
0272 #define KVM_EXIT_RISCV_SBI        35
0273 #define KVM_EXIT_RISCV_CSR        36
0274 #define KVM_EXIT_NOTIFY           37
0275 
0276 /* For KVM_EXIT_INTERNAL_ERROR */
0277 /* Emulate instruction failed. */
0278 #define KVM_INTERNAL_ERROR_EMULATION    1
0279 /* Encounter unexpected simultaneous exceptions. */
0280 #define KVM_INTERNAL_ERROR_SIMUL_EX 2
0281 /* Encounter unexpected vm-exit due to delivery event. */
0282 #define KVM_INTERNAL_ERROR_DELIVERY_EV  3
0283 /* Encounter unexpected vm-exit reason */
0284 #define KVM_INTERNAL_ERROR_UNEXPECTED_EXIT_REASON   4
0285 
0286 /* Flags that describe what fields in emulation_failure hold valid data. */
0287 #define KVM_INTERNAL_ERROR_EMULATION_FLAG_INSTRUCTION_BYTES (1ULL << 0)
0288 
0289 /* for KVM_RUN, returned by mmap(vcpu_fd, offset=0) */
0290 struct kvm_run {
0291     /* in */
0292     __u8 request_interrupt_window;
0293     __u8 immediate_exit;
0294     __u8 padding1[6];
0295 
0296     /* out */
0297     __u32 exit_reason;
0298     __u8 ready_for_interrupt_injection;
0299     __u8 if_flag;
0300     __u16 flags;
0301 
0302     /* in (pre_kvm_run), out (post_kvm_run) */
0303     __u64 cr8;
0304     __u64 apic_base;
0305 
0306 #ifdef __KVM_S390
0307     /* the processor status word for s390 */
0308     __u64 psw_mask; /* psw upper half */
0309     __u64 psw_addr; /* psw lower half */
0310 #endif
0311     union {
0312         /* KVM_EXIT_UNKNOWN */
0313         struct {
0314             __u64 hardware_exit_reason;
0315         } hw;
0316         /* KVM_EXIT_FAIL_ENTRY */
0317         struct {
0318             __u64 hardware_entry_failure_reason;
0319             __u32 cpu;
0320         } fail_entry;
0321         /* KVM_EXIT_EXCEPTION */
0322         struct {
0323             __u32 exception;
0324             __u32 error_code;
0325         } ex;
0326         /* KVM_EXIT_IO */
0327         struct {
0328 #define KVM_EXIT_IO_IN  0
0329 #define KVM_EXIT_IO_OUT 1
0330             __u8 direction;
0331             __u8 size; /* bytes */
0332             __u16 port;
0333             __u32 count;
0334             __u64 data_offset; /* relative to kvm_run start */
0335         } io;
0336         /* KVM_EXIT_DEBUG */
0337         struct {
0338             struct kvm_debug_exit_arch arch;
0339         } debug;
0340         /* KVM_EXIT_MMIO */
0341         struct {
0342             __u64 phys_addr;
0343             __u8  data[8];
0344             __u32 len;
0345             __u8  is_write;
0346         } mmio;
0347         /* KVM_EXIT_HYPERCALL */
0348         struct {
0349             __u64 nr;
0350             __u64 args[6];
0351             __u64 ret;
0352             __u32 longmode;
0353             __u32 pad;
0354         } hypercall;
0355         /* KVM_EXIT_TPR_ACCESS */
0356         struct {
0357             __u64 rip;
0358             __u32 is_write;
0359             __u32 pad;
0360         } tpr_access;
0361         /* KVM_EXIT_S390_SIEIC */
0362         struct {
0363             __u8 icptcode;
0364             __u16 ipa;
0365             __u32 ipb;
0366         } s390_sieic;
0367         /* KVM_EXIT_S390_RESET */
0368 #define KVM_S390_RESET_POR       1
0369 #define KVM_S390_RESET_CLEAR     2
0370 #define KVM_S390_RESET_SUBSYSTEM 4
0371 #define KVM_S390_RESET_CPU_INIT  8
0372 #define KVM_S390_RESET_IPL       16
0373         __u64 s390_reset_flags;
0374         /* KVM_EXIT_S390_UCONTROL */
0375         struct {
0376             __u64 trans_exc_code;
0377             __u32 pgm_code;
0378         } s390_ucontrol;
0379         /* KVM_EXIT_DCR (deprecated) */
0380         struct {
0381             __u32 dcrn;
0382             __u32 data;
0383             __u8  is_write;
0384         } dcr;
0385         /* KVM_EXIT_INTERNAL_ERROR */
0386         struct {
0387             __u32 suberror;
0388             /* Available with KVM_CAP_INTERNAL_ERROR_DATA: */
0389             __u32 ndata;
0390             __u64 data[16];
0391         } internal;
0392         /*
0393          * KVM_INTERNAL_ERROR_EMULATION
0394          *
0395          * "struct emulation_failure" is an overlay of "struct internal"
0396          * that is used for the KVM_INTERNAL_ERROR_EMULATION sub-type of
0397          * KVM_EXIT_INTERNAL_ERROR.  Note, unlike other internal error
0398          * sub-types, this struct is ABI!  It also needs to be backwards
0399          * compatible with "struct internal".  Take special care that
0400          * "ndata" is correct, that new fields are enumerated in "flags",
0401          * and that each flag enumerates fields that are 64-bit aligned
0402          * and sized (so that ndata+internal.data[] is valid/accurate).
0403          *
0404          * Space beyond the defined fields may be used to store arbitrary
0405          * debug information relating to the emulation failure. It is
0406          * accounted for in "ndata" but the format is unspecified and is
0407          * not represented in "flags". Any such information is *not* ABI!
0408          */
0409         struct {
0410             __u32 suberror;
0411             __u32 ndata;
0412             __u64 flags;
0413             union {
0414                 struct {
0415                     __u8  insn_size;
0416                     __u8  insn_bytes[15];
0417                 };
0418             };
0419             /* Arbitrary debug data may follow. */
0420         } emulation_failure;
0421         /* KVM_EXIT_OSI */
0422         struct {
0423             __u64 gprs[32];
0424         } osi;
0425         /* KVM_EXIT_PAPR_HCALL */
0426         struct {
0427             __u64 nr;
0428             __u64 ret;
0429             __u64 args[9];
0430         } papr_hcall;
0431         /* KVM_EXIT_S390_TSCH */
0432         struct {
0433             __u16 subchannel_id;
0434             __u16 subchannel_nr;
0435             __u32 io_int_parm;
0436             __u32 io_int_word;
0437             __u32 ipb;
0438             __u8 dequeued;
0439         } s390_tsch;
0440         /* KVM_EXIT_EPR */
0441         struct {
0442             __u32 epr;
0443         } epr;
0444         /* KVM_EXIT_SYSTEM_EVENT */
0445         struct {
0446 #define KVM_SYSTEM_EVENT_SHUTDOWN       1
0447 #define KVM_SYSTEM_EVENT_RESET          2
0448 #define KVM_SYSTEM_EVENT_CRASH          3
0449 #define KVM_SYSTEM_EVENT_WAKEUP         4
0450 #define KVM_SYSTEM_EVENT_SUSPEND        5
0451 #define KVM_SYSTEM_EVENT_SEV_TERM       6
0452             __u32 type;
0453             __u32 ndata;
0454             union {
0455 #ifndef __KERNEL__
0456                 __u64 flags;
0457 #endif
0458                 __u64 data[16];
0459             };
0460         } system_event;
0461         /* KVM_EXIT_S390_STSI */
0462         struct {
0463             __u64 addr;
0464             __u8 ar;
0465             __u8 reserved;
0466             __u8 fc;
0467             __u8 sel1;
0468             __u16 sel2;
0469         } s390_stsi;
0470         /* KVM_EXIT_IOAPIC_EOI */
0471         struct {
0472             __u8 vector;
0473         } eoi;
0474         /* KVM_EXIT_HYPERV */
0475         struct kvm_hyperv_exit hyperv;
0476         /* KVM_EXIT_ARM_NISV */
0477         struct {
0478             __u64 esr_iss;
0479             __u64 fault_ipa;
0480         } arm_nisv;
0481         /* KVM_EXIT_X86_RDMSR / KVM_EXIT_X86_WRMSR */
0482         struct {
0483             __u8 error; /* user -> kernel */
0484             __u8 pad[7];
0485 #define KVM_MSR_EXIT_REASON_INVAL   (1 << 0)
0486 #define KVM_MSR_EXIT_REASON_UNKNOWN (1 << 1)
0487 #define KVM_MSR_EXIT_REASON_FILTER  (1 << 2)
0488             __u32 reason; /* kernel -> user */
0489             __u32 index; /* kernel -> user */
0490             __u64 data; /* kernel <-> user */
0491         } msr;
0492         /* KVM_EXIT_XEN */
0493         struct kvm_xen_exit xen;
0494         /* KVM_EXIT_RISCV_SBI */
0495         struct {
0496             unsigned long extension_id;
0497             unsigned long function_id;
0498             unsigned long args[6];
0499             unsigned long ret[2];
0500         } riscv_sbi;
0501         /* KVM_EXIT_RISCV_CSR */
0502         struct {
0503             unsigned long csr_num;
0504             unsigned long new_value;
0505             unsigned long write_mask;
0506             unsigned long ret_value;
0507         } riscv_csr;
0508         /* KVM_EXIT_NOTIFY */
0509         struct {
0510 #define KVM_NOTIFY_CONTEXT_INVALID  (1 << 0)
0511             __u32 flags;
0512         } notify;
0513         /* Fix the size of the union. */
0514         char padding[256];
0515     };
0516 
0517     /* 2048 is the size of the char array used to bound/pad the size
0518      * of the union that holds sync regs.
0519      */
0520     #define SYNC_REGS_SIZE_BYTES 2048
0521     /*
0522      * shared registers between kvm and userspace.
0523      * kvm_valid_regs specifies the register classes set by the host
0524      * kvm_dirty_regs specified the register classes dirtied by userspace
0525      * struct kvm_sync_regs is architecture specific, as well as the
0526      * bits for kvm_valid_regs and kvm_dirty_regs
0527      */
0528     __u64 kvm_valid_regs;
0529     __u64 kvm_dirty_regs;
0530     union {
0531         struct kvm_sync_regs regs;
0532         char padding[SYNC_REGS_SIZE_BYTES];
0533     } s;
0534 };
0535 
0536 /* for KVM_REGISTER_COALESCED_MMIO / KVM_UNREGISTER_COALESCED_MMIO */
0537 
0538 struct kvm_coalesced_mmio_zone {
0539     __u64 addr;
0540     __u32 size;
0541     union {
0542         __u32 pad;
0543         __u32 pio;
0544     };
0545 };
0546 
0547 struct kvm_coalesced_mmio {
0548     __u64 phys_addr;
0549     __u32 len;
0550     union {
0551         __u32 pad;
0552         __u32 pio;
0553     };
0554     __u8  data[8];
0555 };
0556 
0557 struct kvm_coalesced_mmio_ring {
0558     __u32 first, last;
0559     struct kvm_coalesced_mmio coalesced_mmio[];
0560 };
0561 
0562 #define KVM_COALESCED_MMIO_MAX \
0563     ((PAGE_SIZE - sizeof(struct kvm_coalesced_mmio_ring)) / \
0564      sizeof(struct kvm_coalesced_mmio))
0565 
0566 /* for KVM_TRANSLATE */
0567 struct kvm_translation {
0568     /* in */
0569     __u64 linear_address;
0570 
0571     /* out */
0572     __u64 physical_address;
0573     __u8  valid;
0574     __u8  writeable;
0575     __u8  usermode;
0576     __u8  pad[5];
0577 };
0578 
0579 /* for KVM_S390_MEM_OP */
0580 struct kvm_s390_mem_op {
0581     /* in */
0582     __u64 gaddr;        /* the guest address */
0583     __u64 flags;        /* flags */
0584     __u32 size;     /* amount of bytes */
0585     __u32 op;       /* type of operation */
0586     __u64 buf;      /* buffer in userspace */
0587     union {
0588         struct {
0589             __u8 ar;    /* the access register number */
0590             __u8 key;   /* access key, ignored if flag unset */
0591         };
0592         __u32 sida_offset; /* offset into the sida */
0593         __u8 reserved[32]; /* ignored */
0594     };
0595 };
0596 /* types for kvm_s390_mem_op->op */
0597 #define KVM_S390_MEMOP_LOGICAL_READ 0
0598 #define KVM_S390_MEMOP_LOGICAL_WRITE    1
0599 #define KVM_S390_MEMOP_SIDA_READ    2
0600 #define KVM_S390_MEMOP_SIDA_WRITE   3
0601 #define KVM_S390_MEMOP_ABSOLUTE_READ    4
0602 #define KVM_S390_MEMOP_ABSOLUTE_WRITE   5
0603 /* flags for kvm_s390_mem_op->flags */
0604 #define KVM_S390_MEMOP_F_CHECK_ONLY     (1ULL << 0)
0605 #define KVM_S390_MEMOP_F_INJECT_EXCEPTION   (1ULL << 1)
0606 #define KVM_S390_MEMOP_F_SKEY_PROTECTION    (1ULL << 2)
0607 
0608 /* for KVM_INTERRUPT */
0609 struct kvm_interrupt {
0610     /* in */
0611     __u32 irq;
0612 };
0613 
0614 /* for KVM_GET_DIRTY_LOG */
0615 struct kvm_dirty_log {
0616     __u32 slot;
0617     __u32 padding1;
0618     union {
0619         void __user *dirty_bitmap; /* one bit per page */
0620         __u64 padding2;
0621     };
0622 };
0623 
0624 /* for KVM_CLEAR_DIRTY_LOG */
0625 struct kvm_clear_dirty_log {
0626     __u32 slot;
0627     __u32 num_pages;
0628     __u64 first_page;
0629     union {
0630         void __user *dirty_bitmap; /* one bit per page */
0631         __u64 padding2;
0632     };
0633 };
0634 
0635 /* for KVM_SET_SIGNAL_MASK */
0636 struct kvm_signal_mask {
0637     __u32 len;
0638     __u8  sigset[];
0639 };
0640 
0641 /* for KVM_TPR_ACCESS_REPORTING */
0642 struct kvm_tpr_access_ctl {
0643     __u32 enabled;
0644     __u32 flags;
0645     __u32 reserved[8];
0646 };
0647 
0648 /* for KVM_SET_VAPIC_ADDR */
0649 struct kvm_vapic_addr {
0650     __u64 vapic_addr;
0651 };
0652 
0653 /* for KVM_SET_MP_STATE */
0654 
0655 /* not all states are valid on all architectures */
0656 #define KVM_MP_STATE_RUNNABLE          0
0657 #define KVM_MP_STATE_UNINITIALIZED     1
0658 #define KVM_MP_STATE_INIT_RECEIVED     2
0659 #define KVM_MP_STATE_HALTED            3
0660 #define KVM_MP_STATE_SIPI_RECEIVED     4
0661 #define KVM_MP_STATE_STOPPED           5
0662 #define KVM_MP_STATE_CHECK_STOP        6
0663 #define KVM_MP_STATE_OPERATING         7
0664 #define KVM_MP_STATE_LOAD              8
0665 #define KVM_MP_STATE_AP_RESET_HOLD     9
0666 #define KVM_MP_STATE_SUSPENDED         10
0667 
0668 struct kvm_mp_state {
0669     __u32 mp_state;
0670 };
0671 
0672 struct kvm_s390_psw {
0673     __u64 mask;
0674     __u64 addr;
0675 };
0676 
0677 /* valid values for type in kvm_s390_interrupt */
0678 #define KVM_S390_SIGP_STOP      0xfffe0000u
0679 #define KVM_S390_PROGRAM_INT        0xfffe0001u
0680 #define KVM_S390_SIGP_SET_PREFIX    0xfffe0002u
0681 #define KVM_S390_RESTART        0xfffe0003u
0682 #define KVM_S390_INT_PFAULT_INIT    0xfffe0004u
0683 #define KVM_S390_INT_PFAULT_DONE    0xfffe0005u
0684 #define KVM_S390_MCHK           0xfffe1000u
0685 #define KVM_S390_INT_CLOCK_COMP     0xffff1004u
0686 #define KVM_S390_INT_CPU_TIMER      0xffff1005u
0687 #define KVM_S390_INT_VIRTIO     0xffff2603u
0688 #define KVM_S390_INT_SERVICE        0xffff2401u
0689 #define KVM_S390_INT_EMERGENCY      0xffff1201u
0690 #define KVM_S390_INT_EXTERNAL_CALL  0xffff1202u
0691 /* Anything below 0xfffe0000u is taken by INT_IO */
0692 #define KVM_S390_INT_IO(ai,cssid,ssid,schid)   \
0693     (((schid)) |                   \
0694      ((ssid) << 16) |              \
0695      ((cssid) << 18) |             \
0696      ((ai) << 26))
0697 #define KVM_S390_INT_IO_MIN     0x00000000u
0698 #define KVM_S390_INT_IO_MAX     0xfffdffffu
0699 #define KVM_S390_INT_IO_AI_MASK     0x04000000u
0700 
0701 
0702 struct kvm_s390_interrupt {
0703     __u32 type;
0704     __u32 parm;
0705     __u64 parm64;
0706 };
0707 
0708 struct kvm_s390_io_info {
0709     __u16 subchannel_id;
0710     __u16 subchannel_nr;
0711     __u32 io_int_parm;
0712     __u32 io_int_word;
0713 };
0714 
0715 struct kvm_s390_ext_info {
0716     __u32 ext_params;
0717     __u32 pad;
0718     __u64 ext_params2;
0719 };
0720 
0721 struct kvm_s390_pgm_info {
0722     __u64 trans_exc_code;
0723     __u64 mon_code;
0724     __u64 per_address;
0725     __u32 data_exc_code;
0726     __u16 code;
0727     __u16 mon_class_nr;
0728     __u8 per_code;
0729     __u8 per_atmid;
0730     __u8 exc_access_id;
0731     __u8 per_access_id;
0732     __u8 op_access_id;
0733 #define KVM_S390_PGM_FLAGS_ILC_VALID    0x01
0734 #define KVM_S390_PGM_FLAGS_ILC_0    0x02
0735 #define KVM_S390_PGM_FLAGS_ILC_1    0x04
0736 #define KVM_S390_PGM_FLAGS_ILC_MASK 0x06
0737 #define KVM_S390_PGM_FLAGS_NO_REWIND    0x08
0738     __u8 flags;
0739     __u8 pad[2];
0740 };
0741 
0742 struct kvm_s390_prefix_info {
0743     __u32 address;
0744 };
0745 
0746 struct kvm_s390_extcall_info {
0747     __u16 code;
0748 };
0749 
0750 struct kvm_s390_emerg_info {
0751     __u16 code;
0752 };
0753 
0754 #define KVM_S390_STOP_FLAG_STORE_STATUS 0x01
0755 struct kvm_s390_stop_info {
0756     __u32 flags;
0757 };
0758 
0759 struct kvm_s390_mchk_info {
0760     __u64 cr14;
0761     __u64 mcic;
0762     __u64 failing_storage_address;
0763     __u32 ext_damage_code;
0764     __u32 pad;
0765     __u8 fixed_logout[16];
0766 };
0767 
0768 struct kvm_s390_irq {
0769     __u64 type;
0770     union {
0771         struct kvm_s390_io_info io;
0772         struct kvm_s390_ext_info ext;
0773         struct kvm_s390_pgm_info pgm;
0774         struct kvm_s390_emerg_info emerg;
0775         struct kvm_s390_extcall_info extcall;
0776         struct kvm_s390_prefix_info prefix;
0777         struct kvm_s390_stop_info stop;
0778         struct kvm_s390_mchk_info mchk;
0779         char reserved[64];
0780     } u;
0781 };
0782 
0783 struct kvm_s390_irq_state {
0784     __u64 buf;
0785     __u32 flags;        /* will stay unused for compatibility reasons */
0786     __u32 len;
0787     __u32 reserved[4];  /* will stay unused for compatibility reasons */
0788 };
0789 
0790 /* for KVM_SET_GUEST_DEBUG */
0791 
0792 #define KVM_GUESTDBG_ENABLE     0x00000001
0793 #define KVM_GUESTDBG_SINGLESTEP     0x00000002
0794 
0795 struct kvm_guest_debug {
0796     __u32 control;
0797     __u32 pad;
0798     struct kvm_guest_debug_arch arch;
0799 };
0800 
0801 enum {
0802     kvm_ioeventfd_flag_nr_datamatch,
0803     kvm_ioeventfd_flag_nr_pio,
0804     kvm_ioeventfd_flag_nr_deassign,
0805     kvm_ioeventfd_flag_nr_virtio_ccw_notify,
0806     kvm_ioeventfd_flag_nr_fast_mmio,
0807     kvm_ioeventfd_flag_nr_max,
0808 };
0809 
0810 #define KVM_IOEVENTFD_FLAG_DATAMATCH (1 << kvm_ioeventfd_flag_nr_datamatch)
0811 #define KVM_IOEVENTFD_FLAG_PIO       (1 << kvm_ioeventfd_flag_nr_pio)
0812 #define KVM_IOEVENTFD_FLAG_DEASSIGN  (1 << kvm_ioeventfd_flag_nr_deassign)
0813 #define KVM_IOEVENTFD_FLAG_VIRTIO_CCW_NOTIFY \
0814     (1 << kvm_ioeventfd_flag_nr_virtio_ccw_notify)
0815 
0816 #define KVM_IOEVENTFD_VALID_FLAG_MASK  ((1 << kvm_ioeventfd_flag_nr_max) - 1)
0817 
0818 struct kvm_ioeventfd {
0819     __u64 datamatch;
0820     __u64 addr;        /* legal pio/mmio address */
0821     __u32 len;         /* 1, 2, 4, or 8 bytes; or 0 to ignore length */
0822     __s32 fd;
0823     __u32 flags;
0824     __u8  pad[36];
0825 };
0826 
0827 #define KVM_X86_DISABLE_EXITS_MWAIT          (1 << 0)
0828 #define KVM_X86_DISABLE_EXITS_HLT            (1 << 1)
0829 #define KVM_X86_DISABLE_EXITS_PAUSE          (1 << 2)
0830 #define KVM_X86_DISABLE_EXITS_CSTATE         (1 << 3)
0831 #define KVM_X86_DISABLE_VALID_EXITS          (KVM_X86_DISABLE_EXITS_MWAIT | \
0832                                               KVM_X86_DISABLE_EXITS_HLT | \
0833                                               KVM_X86_DISABLE_EXITS_PAUSE | \
0834                                               KVM_X86_DISABLE_EXITS_CSTATE)
0835 
0836 /* for KVM_ENABLE_CAP */
0837 struct kvm_enable_cap {
0838     /* in */
0839     __u32 cap;
0840     __u32 flags;
0841     __u64 args[4];
0842     __u8  pad[64];
0843 };
0844 
0845 /* for KVM_PPC_GET_PVINFO */
0846 
0847 #define KVM_PPC_PVINFO_FLAGS_EV_IDLE   (1<<0)
0848 
0849 struct kvm_ppc_pvinfo {
0850     /* out */
0851     __u32 flags;
0852     __u32 hcall[4];
0853     __u8  pad[108];
0854 };
0855 
0856 /* for KVM_PPC_GET_SMMU_INFO */
0857 #define KVM_PPC_PAGE_SIZES_MAX_SZ   8
0858 
0859 struct kvm_ppc_one_page_size {
0860     __u32 page_shift;   /* Page shift (or 0) */
0861     __u32 pte_enc;      /* Encoding in the HPTE (>>12) */
0862 };
0863 
0864 struct kvm_ppc_one_seg_page_size {
0865     __u32 page_shift;   /* Base page shift of segment (or 0) */
0866     __u32 slb_enc;      /* SLB encoding for BookS */
0867     struct kvm_ppc_one_page_size enc[KVM_PPC_PAGE_SIZES_MAX_SZ];
0868 };
0869 
0870 #define KVM_PPC_PAGE_SIZES_REAL     0x00000001
0871 #define KVM_PPC_1T_SEGMENTS     0x00000002
0872 #define KVM_PPC_NO_HASH         0x00000004
0873 
0874 struct kvm_ppc_smmu_info {
0875     __u64 flags;
0876     __u32 slb_size;
0877     __u16 data_keys;    /* # storage keys supported for data */
0878     __u16 instr_keys;   /* # storage keys supported for instructions */
0879     struct kvm_ppc_one_seg_page_size sps[KVM_PPC_PAGE_SIZES_MAX_SZ];
0880 };
0881 
0882 /* for KVM_PPC_RESIZE_HPT_{PREPARE,COMMIT} */
0883 struct kvm_ppc_resize_hpt {
0884     __u64 flags;
0885     __u32 shift;
0886     __u32 pad;
0887 };
0888 
0889 #define KVMIO 0xAE
0890 
0891 /* machine type bits, to be used as argument to KVM_CREATE_VM */
0892 #define KVM_VM_S390_UCONTROL    1
0893 
0894 /* on ppc, 0 indicate default, 1 should force HV and 2 PR */
0895 #define KVM_VM_PPC_HV 1
0896 #define KVM_VM_PPC_PR 2
0897 
0898 /* on MIPS, 0 indicates auto, 1 forces VZ ASE, 2 forces trap & emulate */
0899 #define KVM_VM_MIPS_AUTO    0
0900 #define KVM_VM_MIPS_VZ      1
0901 #define KVM_VM_MIPS_TE      2
0902 
0903 #define KVM_S390_SIE_PAGE_OFFSET 1
0904 
0905 /*
0906  * On arm64, machine type can be used to request the physical
0907  * address size for the VM. Bits[7-0] are reserved for the guest
0908  * PA size shift (i.e, log2(PA_Size)). For backward compatibility,
0909  * value 0 implies the default IPA size, 40bits.
0910  */
0911 #define KVM_VM_TYPE_ARM_IPA_SIZE_MASK   0xffULL
0912 #define KVM_VM_TYPE_ARM_IPA_SIZE(x)     \
0913     ((x) & KVM_VM_TYPE_ARM_IPA_SIZE_MASK)
0914 /*
0915  * ioctls for /dev/kvm fds:
0916  */
0917 #define KVM_GET_API_VERSION       _IO(KVMIO,   0x00)
0918 #define KVM_CREATE_VM             _IO(KVMIO,   0x01) /* returns a VM fd */
0919 #define KVM_GET_MSR_INDEX_LIST    _IOWR(KVMIO, 0x02, struct kvm_msr_list)
0920 
0921 #define KVM_S390_ENABLE_SIE       _IO(KVMIO,   0x06)
0922 /*
0923  * Check if a kvm extension is available.  Argument is extension number,
0924  * return is 1 (yes) or 0 (no, sorry).
0925  */
0926 #define KVM_CHECK_EXTENSION       _IO(KVMIO,   0x03)
0927 /*
0928  * Get size for mmap(vcpu_fd)
0929  */
0930 #define KVM_GET_VCPU_MMAP_SIZE    _IO(KVMIO,   0x04) /* in bytes */
0931 #define KVM_GET_SUPPORTED_CPUID   _IOWR(KVMIO, 0x05, struct kvm_cpuid2)
0932 #define KVM_TRACE_ENABLE          __KVM_DEPRECATED_MAIN_W_0x06
0933 #define KVM_TRACE_PAUSE           __KVM_DEPRECATED_MAIN_0x07
0934 #define KVM_TRACE_DISABLE         __KVM_DEPRECATED_MAIN_0x08
0935 #define KVM_GET_EMULATED_CPUID    _IOWR(KVMIO, 0x09, struct kvm_cpuid2)
0936 #define KVM_GET_MSR_FEATURE_INDEX_LIST    _IOWR(KVMIO, 0x0a, struct kvm_msr_list)
0937 
0938 /*
0939  * Extension capability list.
0940  */
0941 #define KVM_CAP_IRQCHIP   0
0942 #define KVM_CAP_HLT   1
0943 #define KVM_CAP_MMU_SHADOW_CACHE_CONTROL 2
0944 #define KVM_CAP_USER_MEMORY 3
0945 #define KVM_CAP_SET_TSS_ADDR 4
0946 #define KVM_CAP_VAPIC 6
0947 #define KVM_CAP_EXT_CPUID 7
0948 #define KVM_CAP_CLOCKSOURCE 8
0949 #define KVM_CAP_NR_VCPUS 9       /* returns recommended max vcpus per vm */
0950 #define KVM_CAP_NR_MEMSLOTS 10   /* returns max memory slots per vm */
0951 #define KVM_CAP_PIT 11
0952 #define KVM_CAP_NOP_IO_DELAY 12
0953 #define KVM_CAP_PV_MMU 13
0954 #define KVM_CAP_MP_STATE 14
0955 #define KVM_CAP_COALESCED_MMIO 15
0956 #define KVM_CAP_SYNC_MMU 16  /* Changes to host mmap are reflected in guest */
0957 #define KVM_CAP_IOMMU 18
0958 /* Bug in KVM_SET_USER_MEMORY_REGION fixed: */
0959 #define KVM_CAP_DESTROY_MEMORY_REGION_WORKS 21
0960 #define KVM_CAP_USER_NMI 22
0961 #ifdef __KVM_HAVE_GUEST_DEBUG
0962 #define KVM_CAP_SET_GUEST_DEBUG 23
0963 #endif
0964 #ifdef __KVM_HAVE_PIT
0965 #define KVM_CAP_REINJECT_CONTROL 24
0966 #endif
0967 #define KVM_CAP_IRQ_ROUTING 25
0968 #define KVM_CAP_IRQ_INJECT_STATUS 26
0969 #define KVM_CAP_ASSIGN_DEV_IRQ 29
0970 /* Another bug in KVM_SET_USER_MEMORY_REGION fixed: */
0971 #define KVM_CAP_JOIN_MEMORY_REGIONS_WORKS 30
0972 #ifdef __KVM_HAVE_MCE
0973 #define KVM_CAP_MCE 31
0974 #endif
0975 #define KVM_CAP_IRQFD 32
0976 #ifdef __KVM_HAVE_PIT
0977 #define KVM_CAP_PIT2 33
0978 #endif
0979 #define KVM_CAP_SET_BOOT_CPU_ID 34
0980 #ifdef __KVM_HAVE_PIT_STATE2
0981 #define KVM_CAP_PIT_STATE2 35
0982 #endif
0983 #define KVM_CAP_IOEVENTFD 36
0984 #define KVM_CAP_SET_IDENTITY_MAP_ADDR 37
0985 #ifdef __KVM_HAVE_XEN_HVM
0986 #define KVM_CAP_XEN_HVM 38
0987 #endif
0988 #define KVM_CAP_ADJUST_CLOCK 39
0989 #define KVM_CAP_INTERNAL_ERROR_DATA 40
0990 #ifdef __KVM_HAVE_VCPU_EVENTS
0991 #define KVM_CAP_VCPU_EVENTS 41
0992 #endif
0993 #define KVM_CAP_S390_PSW 42
0994 #define KVM_CAP_PPC_SEGSTATE 43
0995 #define KVM_CAP_HYPERV 44
0996 #define KVM_CAP_HYPERV_VAPIC 45
0997 #define KVM_CAP_HYPERV_SPIN 46
0998 #define KVM_CAP_PCI_SEGMENT 47
0999 #define KVM_CAP_PPC_PAIRED_SINGLES 48
1000 #define KVM_CAP_INTR_SHADOW 49
1001 #ifdef __KVM_HAVE_DEBUGREGS
1002 #define KVM_CAP_DEBUGREGS 50
1003 #endif
1004 #define KVM_CAP_X86_ROBUST_SINGLESTEP 51
1005 #define KVM_CAP_PPC_OSI 52
1006 #define KVM_CAP_PPC_UNSET_IRQ 53
1007 #define KVM_CAP_ENABLE_CAP 54
1008 #ifdef __KVM_HAVE_XSAVE
1009 #define KVM_CAP_XSAVE 55
1010 #endif
1011 #ifdef __KVM_HAVE_XCRS
1012 #define KVM_CAP_XCRS 56
1013 #endif
1014 #define KVM_CAP_PPC_GET_PVINFO 57
1015 #define KVM_CAP_PPC_IRQ_LEVEL 58
1016 #define KVM_CAP_ASYNC_PF 59
1017 #define KVM_CAP_TSC_CONTROL 60
1018 #define KVM_CAP_GET_TSC_KHZ 61
1019 #define KVM_CAP_PPC_BOOKE_SREGS 62
1020 #define KVM_CAP_SPAPR_TCE 63
1021 #define KVM_CAP_PPC_SMT 64
1022 #define KVM_CAP_PPC_RMA 65
1023 #define KVM_CAP_MAX_VCPUS 66       /* returns max vcpus per vm */
1024 #define KVM_CAP_PPC_HIOR 67
1025 #define KVM_CAP_PPC_PAPR 68
1026 #define KVM_CAP_SW_TLB 69
1027 #define KVM_CAP_ONE_REG 70
1028 #define KVM_CAP_S390_GMAP 71
1029 #define KVM_CAP_TSC_DEADLINE_TIMER 72
1030 #define KVM_CAP_S390_UCONTROL 73
1031 #define KVM_CAP_SYNC_REGS 74
1032 #define KVM_CAP_PCI_2_3 75
1033 #define KVM_CAP_KVMCLOCK_CTRL 76
1034 #define KVM_CAP_SIGNAL_MSI 77
1035 #define KVM_CAP_PPC_GET_SMMU_INFO 78
1036 #define KVM_CAP_S390_COW 79
1037 #define KVM_CAP_PPC_ALLOC_HTAB 80
1038 #define KVM_CAP_READONLY_MEM 81
1039 #define KVM_CAP_IRQFD_RESAMPLE 82
1040 #define KVM_CAP_PPC_BOOKE_WATCHDOG 83
1041 #define KVM_CAP_PPC_HTAB_FD 84
1042 #define KVM_CAP_S390_CSS_SUPPORT 85
1043 #define KVM_CAP_PPC_EPR 86
1044 #define KVM_CAP_ARM_PSCI 87
1045 #define KVM_CAP_ARM_SET_DEVICE_ADDR 88
1046 #define KVM_CAP_DEVICE_CTRL 89
1047 #define KVM_CAP_IRQ_MPIC 90
1048 #define KVM_CAP_PPC_RTAS 91
1049 #define KVM_CAP_IRQ_XICS 92
1050 #define KVM_CAP_ARM_EL1_32BIT 93
1051 #define KVM_CAP_SPAPR_MULTITCE 94
1052 #define KVM_CAP_EXT_EMUL_CPUID 95
1053 #define KVM_CAP_HYPERV_TIME 96
1054 #define KVM_CAP_IOAPIC_POLARITY_IGNORED 97
1055 #define KVM_CAP_ENABLE_CAP_VM 98
1056 #define KVM_CAP_S390_IRQCHIP 99
1057 #define KVM_CAP_IOEVENTFD_NO_LENGTH 100
1058 #define KVM_CAP_VM_ATTRIBUTES 101
1059 #define KVM_CAP_ARM_PSCI_0_2 102
1060 #define KVM_CAP_PPC_FIXUP_HCALL 103
1061 #define KVM_CAP_PPC_ENABLE_HCALL 104
1062 #define KVM_CAP_CHECK_EXTENSION_VM 105
1063 #define KVM_CAP_S390_USER_SIGP 106
1064 #define KVM_CAP_S390_VECTOR_REGISTERS 107
1065 #define KVM_CAP_S390_MEM_OP 108
1066 #define KVM_CAP_S390_USER_STSI 109
1067 #define KVM_CAP_S390_SKEYS 110
1068 #define KVM_CAP_MIPS_FPU 111
1069 #define KVM_CAP_MIPS_MSA 112
1070 #define KVM_CAP_S390_INJECT_IRQ 113
1071 #define KVM_CAP_S390_IRQ_STATE 114
1072 #define KVM_CAP_PPC_HWRNG 115
1073 #define KVM_CAP_DISABLE_QUIRKS 116
1074 #define KVM_CAP_X86_SMM 117
1075 #define KVM_CAP_MULTI_ADDRESS_SPACE 118
1076 #define KVM_CAP_GUEST_DEBUG_HW_BPS 119
1077 #define KVM_CAP_GUEST_DEBUG_HW_WPS 120
1078 #define KVM_CAP_SPLIT_IRQCHIP 121
1079 #define KVM_CAP_IOEVENTFD_ANY_LENGTH 122
1080 #define KVM_CAP_HYPERV_SYNIC 123
1081 #define KVM_CAP_S390_RI 124
1082 #define KVM_CAP_SPAPR_TCE_64 125
1083 #define KVM_CAP_ARM_PMU_V3 126
1084 #define KVM_CAP_VCPU_ATTRIBUTES 127
1085 #define KVM_CAP_MAX_VCPU_ID 128
1086 #define KVM_CAP_X2APIC_API 129
1087 #define KVM_CAP_S390_USER_INSTR0 130
1088 #define KVM_CAP_MSI_DEVID 131
1089 #define KVM_CAP_PPC_HTM 132
1090 #define KVM_CAP_SPAPR_RESIZE_HPT 133
1091 #define KVM_CAP_PPC_MMU_RADIX 134
1092 #define KVM_CAP_PPC_MMU_HASH_V3 135
1093 #define KVM_CAP_IMMEDIATE_EXIT 136
1094 #define KVM_CAP_MIPS_VZ 137
1095 #define KVM_CAP_MIPS_TE 138
1096 #define KVM_CAP_MIPS_64BIT 139
1097 #define KVM_CAP_S390_GS 140
1098 #define KVM_CAP_S390_AIS 141
1099 #define KVM_CAP_SPAPR_TCE_VFIO 142
1100 #define KVM_CAP_X86_DISABLE_EXITS 143
1101 #define KVM_CAP_ARM_USER_IRQ 144
1102 #define KVM_CAP_S390_CMMA_MIGRATION 145
1103 #define KVM_CAP_PPC_FWNMI 146
1104 #define KVM_CAP_PPC_SMT_POSSIBLE 147
1105 #define KVM_CAP_HYPERV_SYNIC2 148
1106 #define KVM_CAP_HYPERV_VP_INDEX 149
1107 #define KVM_CAP_S390_AIS_MIGRATION 150
1108 #define KVM_CAP_PPC_GET_CPU_CHAR 151
1109 #define KVM_CAP_S390_BPB 152
1110 #define KVM_CAP_GET_MSR_FEATURES 153
1111 #define KVM_CAP_HYPERV_EVENTFD 154
1112 #define KVM_CAP_HYPERV_TLBFLUSH 155
1113 #define KVM_CAP_S390_HPAGE_1M 156
1114 #define KVM_CAP_NESTED_STATE 157
1115 #define KVM_CAP_ARM_INJECT_SERROR_ESR 158
1116 #define KVM_CAP_MSR_PLATFORM_INFO 159
1117 #define KVM_CAP_PPC_NESTED_HV 160
1118 #define KVM_CAP_HYPERV_SEND_IPI 161
1119 #define KVM_CAP_COALESCED_PIO 162
1120 #define KVM_CAP_HYPERV_ENLIGHTENED_VMCS 163
1121 #define KVM_CAP_EXCEPTION_PAYLOAD 164
1122 #define KVM_CAP_ARM_VM_IPA_SIZE 165
1123 #define KVM_CAP_MANUAL_DIRTY_LOG_PROTECT 166 /* Obsolete */
1124 #define KVM_CAP_HYPERV_CPUID 167
1125 #define KVM_CAP_MANUAL_DIRTY_LOG_PROTECT2 168
1126 #define KVM_CAP_PPC_IRQ_XIVE 169
1127 #define KVM_CAP_ARM_SVE 170
1128 #define KVM_CAP_ARM_PTRAUTH_ADDRESS 171
1129 #define KVM_CAP_ARM_PTRAUTH_GENERIC 172
1130 #define KVM_CAP_PMU_EVENT_FILTER 173
1131 #define KVM_CAP_ARM_IRQ_LINE_LAYOUT_2 174
1132 #define KVM_CAP_HYPERV_DIRECT_TLBFLUSH 175
1133 #define KVM_CAP_PPC_GUEST_DEBUG_SSTEP 176
1134 #define KVM_CAP_ARM_NISV_TO_USER 177
1135 #define KVM_CAP_ARM_INJECT_EXT_DABT 178
1136 #define KVM_CAP_S390_VCPU_RESETS 179
1137 #define KVM_CAP_S390_PROTECTED 180
1138 #define KVM_CAP_PPC_SECURE_GUEST 181
1139 #define KVM_CAP_HALT_POLL 182
1140 #define KVM_CAP_ASYNC_PF_INT 183
1141 #define KVM_CAP_LAST_CPU 184
1142 #define KVM_CAP_SMALLER_MAXPHYADDR 185
1143 #define KVM_CAP_S390_DIAG318 186
1144 #define KVM_CAP_STEAL_TIME 187
1145 #define KVM_CAP_X86_USER_SPACE_MSR 188
1146 #define KVM_CAP_X86_MSR_FILTER 189
1147 #define KVM_CAP_ENFORCE_PV_FEATURE_CPUID 190
1148 #define KVM_CAP_SYS_HYPERV_CPUID 191
1149 #define KVM_CAP_DIRTY_LOG_RING 192
1150 #define KVM_CAP_X86_BUS_LOCK_EXIT 193
1151 #define KVM_CAP_PPC_DAWR1 194
1152 #define KVM_CAP_SET_GUEST_DEBUG2 195
1153 #define KVM_CAP_SGX_ATTRIBUTE 196
1154 #define KVM_CAP_VM_COPY_ENC_CONTEXT_FROM 197
1155 #define KVM_CAP_PTP_KVM 198
1156 #define KVM_CAP_HYPERV_ENFORCE_CPUID 199
1157 #define KVM_CAP_SREGS2 200
1158 #define KVM_CAP_EXIT_HYPERCALL 201
1159 #define KVM_CAP_PPC_RPT_INVALIDATE 202
1160 #define KVM_CAP_BINARY_STATS_FD 203
1161 #define KVM_CAP_EXIT_ON_EMULATION_FAILURE 204
1162 #define KVM_CAP_ARM_MTE 205
1163 #define KVM_CAP_VM_MOVE_ENC_CONTEXT_FROM 206
1164 #define KVM_CAP_VM_GPA_BITS 207
1165 #define KVM_CAP_XSAVE2 208
1166 #define KVM_CAP_SYS_ATTRIBUTES 209
1167 #define KVM_CAP_PPC_AIL_MODE_3 210
1168 #define KVM_CAP_S390_MEM_OP_EXTENSION 211
1169 #define KVM_CAP_PMU_CAPABILITY 212
1170 #define KVM_CAP_DISABLE_QUIRKS2 213
1171 #define KVM_CAP_VM_TSC_CONTROL 214
1172 #define KVM_CAP_SYSTEM_EVENT_DATA 215
1173 #define KVM_CAP_ARM_SYSTEM_SUSPEND 216
1174 #define KVM_CAP_S390_PROTECTED_DUMP 217
1175 #define KVM_CAP_X86_TRIPLE_FAULT_EVENT 218
1176 #define KVM_CAP_X86_NOTIFY_VMEXIT 219
1177 #define KVM_CAP_VM_DISABLE_NX_HUGE_PAGES 220
1178 #define KVM_CAP_S390_ZPCI_OP 221
1179 #define KVM_CAP_S390_CPU_TOPOLOGY 222
1180 
1181 #ifdef KVM_CAP_IRQ_ROUTING
1182 
1183 struct kvm_irq_routing_irqchip {
1184     __u32 irqchip;
1185     __u32 pin;
1186 };
1187 
1188 struct kvm_irq_routing_msi {
1189     __u32 address_lo;
1190     __u32 address_hi;
1191     __u32 data;
1192     union {
1193         __u32 pad;
1194         __u32 devid;
1195     };
1196 };
1197 
1198 struct kvm_irq_routing_s390_adapter {
1199     __u64 ind_addr;
1200     __u64 summary_addr;
1201     __u64 ind_offset;
1202     __u32 summary_offset;
1203     __u32 adapter_id;
1204 };
1205 
1206 struct kvm_irq_routing_hv_sint {
1207     __u32 vcpu;
1208     __u32 sint;
1209 };
1210 
1211 struct kvm_irq_routing_xen_evtchn {
1212     __u32 port;
1213     __u32 vcpu;
1214     __u32 priority;
1215 };
1216 
1217 #define KVM_IRQ_ROUTING_XEN_EVTCHN_PRIO_2LEVEL ((__u32)(-1))
1218 
1219 /* gsi routing entry types */
1220 #define KVM_IRQ_ROUTING_IRQCHIP 1
1221 #define KVM_IRQ_ROUTING_MSI 2
1222 #define KVM_IRQ_ROUTING_S390_ADAPTER 3
1223 #define KVM_IRQ_ROUTING_HV_SINT 4
1224 #define KVM_IRQ_ROUTING_XEN_EVTCHN 5
1225 
1226 struct kvm_irq_routing_entry {
1227     __u32 gsi;
1228     __u32 type;
1229     __u32 flags;
1230     __u32 pad;
1231     union {
1232         struct kvm_irq_routing_irqchip irqchip;
1233         struct kvm_irq_routing_msi msi;
1234         struct kvm_irq_routing_s390_adapter adapter;
1235         struct kvm_irq_routing_hv_sint hv_sint;
1236         struct kvm_irq_routing_xen_evtchn xen_evtchn;
1237         __u32 pad[8];
1238     } u;
1239 };
1240 
1241 struct kvm_irq_routing {
1242     __u32 nr;
1243     __u32 flags;
1244     struct kvm_irq_routing_entry entries[];
1245 };
1246 
1247 #endif
1248 
1249 #ifdef KVM_CAP_MCE
1250 /* x86 MCE */
1251 struct kvm_x86_mce {
1252     __u64 status;
1253     __u64 addr;
1254     __u64 misc;
1255     __u64 mcg_status;
1256     __u8 bank;
1257     __u8 pad1[7];
1258     __u64 pad2[3];
1259 };
1260 #endif
1261 
1262 #ifdef KVM_CAP_XEN_HVM
1263 #define KVM_XEN_HVM_CONFIG_HYPERCALL_MSR    (1 << 0)
1264 #define KVM_XEN_HVM_CONFIG_INTERCEPT_HCALL  (1 << 1)
1265 #define KVM_XEN_HVM_CONFIG_SHARED_INFO      (1 << 2)
1266 #define KVM_XEN_HVM_CONFIG_RUNSTATE     (1 << 3)
1267 #define KVM_XEN_HVM_CONFIG_EVTCHN_2LEVEL    (1 << 4)
1268 #define KVM_XEN_HVM_CONFIG_EVTCHN_SEND      (1 << 5)
1269 
1270 struct kvm_xen_hvm_config {
1271     __u32 flags;
1272     __u32 msr;
1273     __u64 blob_addr_32;
1274     __u64 blob_addr_64;
1275     __u8 blob_size_32;
1276     __u8 blob_size_64;
1277     __u8 pad2[30];
1278 };
1279 #endif
1280 
1281 #define KVM_IRQFD_FLAG_DEASSIGN (1 << 0)
1282 /*
1283  * Available with KVM_CAP_IRQFD_RESAMPLE
1284  *
1285  * KVM_IRQFD_FLAG_RESAMPLE indicates resamplefd is valid and specifies
1286  * the irqfd to operate in resampling mode for level triggered interrupt
1287  * emulation.  See Documentation/virt/kvm/api.rst.
1288  */
1289 #define KVM_IRQFD_FLAG_RESAMPLE (1 << 1)
1290 
1291 struct kvm_irqfd {
1292     __u32 fd;
1293     __u32 gsi;
1294     __u32 flags;
1295     __u32 resamplefd;
1296     __u8  pad[16];
1297 };
1298 
1299 /* For KVM_CAP_ADJUST_CLOCK */
1300 
1301 /* Do not use 1, KVM_CHECK_EXTENSION returned it before we had flags.  */
1302 #define KVM_CLOCK_TSC_STABLE        2
1303 #define KVM_CLOCK_REALTIME      (1 << 2)
1304 #define KVM_CLOCK_HOST_TSC      (1 << 3)
1305 
1306 struct kvm_clock_data {
1307     __u64 clock;
1308     __u32 flags;
1309     __u32 pad0;
1310     __u64 realtime;
1311     __u64 host_tsc;
1312     __u32 pad[4];
1313 };
1314 
1315 /* For KVM_CAP_SW_TLB */
1316 
1317 #define KVM_MMU_FSL_BOOKE_NOHV      0
1318 #define KVM_MMU_FSL_BOOKE_HV        1
1319 
1320 struct kvm_config_tlb {
1321     __u64 params;
1322     __u64 array;
1323     __u32 mmu_type;
1324     __u32 array_len;
1325 };
1326 
1327 struct kvm_dirty_tlb {
1328     __u64 bitmap;
1329     __u32 num_dirty;
1330 };
1331 
1332 /* Available with KVM_CAP_ONE_REG */
1333 
1334 #define KVM_REG_ARCH_MASK   0xff00000000000000ULL
1335 #define KVM_REG_GENERIC     0x0000000000000000ULL
1336 
1337 /*
1338  * Architecture specific registers are to be defined in arch headers and
1339  * ORed with the arch identifier.
1340  */
1341 #define KVM_REG_PPC     0x1000000000000000ULL
1342 #define KVM_REG_X86     0x2000000000000000ULL
1343 #define KVM_REG_IA64        0x3000000000000000ULL
1344 #define KVM_REG_ARM     0x4000000000000000ULL
1345 #define KVM_REG_S390        0x5000000000000000ULL
1346 #define KVM_REG_ARM64       0x6000000000000000ULL
1347 #define KVM_REG_MIPS        0x7000000000000000ULL
1348 #define KVM_REG_RISCV       0x8000000000000000ULL
1349 
1350 #define KVM_REG_SIZE_SHIFT  52
1351 #define KVM_REG_SIZE_MASK   0x00f0000000000000ULL
1352 #define KVM_REG_SIZE_U8     0x0000000000000000ULL
1353 #define KVM_REG_SIZE_U16    0x0010000000000000ULL
1354 #define KVM_REG_SIZE_U32    0x0020000000000000ULL
1355 #define KVM_REG_SIZE_U64    0x0030000000000000ULL
1356 #define KVM_REG_SIZE_U128   0x0040000000000000ULL
1357 #define KVM_REG_SIZE_U256   0x0050000000000000ULL
1358 #define KVM_REG_SIZE_U512   0x0060000000000000ULL
1359 #define KVM_REG_SIZE_U1024  0x0070000000000000ULL
1360 #define KVM_REG_SIZE_U2048  0x0080000000000000ULL
1361 
1362 struct kvm_reg_list {
1363     __u64 n; /* number of regs */
1364     __u64 reg[];
1365 };
1366 
1367 struct kvm_one_reg {
1368     __u64 id;
1369     __u64 addr;
1370 };
1371 
1372 #define KVM_MSI_VALID_DEVID (1U << 0)
1373 struct kvm_msi {
1374     __u32 address_lo;
1375     __u32 address_hi;
1376     __u32 data;
1377     __u32 flags;
1378     __u32 devid;
1379     __u8  pad[12];
1380 };
1381 
1382 struct kvm_arm_device_addr {
1383     __u64 id;
1384     __u64 addr;
1385 };
1386 
1387 /*
1388  * Device control API, available with KVM_CAP_DEVICE_CTRL
1389  */
1390 #define KVM_CREATE_DEVICE_TEST      1
1391 
1392 struct kvm_create_device {
1393     __u32   type;   /* in: KVM_DEV_TYPE_xxx */
1394     __u32   fd; /* out: device handle */
1395     __u32   flags;  /* in: KVM_CREATE_DEVICE_xxx */
1396 };
1397 
1398 struct kvm_device_attr {
1399     __u32   flags;      /* no flags currently defined */
1400     __u32   group;      /* device-defined */
1401     __u64   attr;       /* group-defined */
1402     __u64   addr;       /* userspace address of attr data */
1403 };
1404 
1405 #define  KVM_DEV_VFIO_GROUP         1
1406 #define   KVM_DEV_VFIO_GROUP_ADD            1
1407 #define   KVM_DEV_VFIO_GROUP_DEL            2
1408 #define   KVM_DEV_VFIO_GROUP_SET_SPAPR_TCE      3
1409 
1410 enum kvm_device_type {
1411     KVM_DEV_TYPE_FSL_MPIC_20    = 1,
1412 #define KVM_DEV_TYPE_FSL_MPIC_20    KVM_DEV_TYPE_FSL_MPIC_20
1413     KVM_DEV_TYPE_FSL_MPIC_42,
1414 #define KVM_DEV_TYPE_FSL_MPIC_42    KVM_DEV_TYPE_FSL_MPIC_42
1415     KVM_DEV_TYPE_XICS,
1416 #define KVM_DEV_TYPE_XICS       KVM_DEV_TYPE_XICS
1417     KVM_DEV_TYPE_VFIO,
1418 #define KVM_DEV_TYPE_VFIO       KVM_DEV_TYPE_VFIO
1419     KVM_DEV_TYPE_ARM_VGIC_V2,
1420 #define KVM_DEV_TYPE_ARM_VGIC_V2    KVM_DEV_TYPE_ARM_VGIC_V2
1421     KVM_DEV_TYPE_FLIC,
1422 #define KVM_DEV_TYPE_FLIC       KVM_DEV_TYPE_FLIC
1423     KVM_DEV_TYPE_ARM_VGIC_V3,
1424 #define KVM_DEV_TYPE_ARM_VGIC_V3    KVM_DEV_TYPE_ARM_VGIC_V3
1425     KVM_DEV_TYPE_ARM_VGIC_ITS,
1426 #define KVM_DEV_TYPE_ARM_VGIC_ITS   KVM_DEV_TYPE_ARM_VGIC_ITS
1427     KVM_DEV_TYPE_XIVE,
1428 #define KVM_DEV_TYPE_XIVE       KVM_DEV_TYPE_XIVE
1429     KVM_DEV_TYPE_ARM_PV_TIME,
1430 #define KVM_DEV_TYPE_ARM_PV_TIME    KVM_DEV_TYPE_ARM_PV_TIME
1431     KVM_DEV_TYPE_MAX,
1432 };
1433 
1434 struct kvm_vfio_spapr_tce {
1435     __s32   groupfd;
1436     __s32   tablefd;
1437 };
1438 
1439 /*
1440  * ioctls for VM fds
1441  */
1442 #define KVM_SET_MEMORY_REGION     _IOW(KVMIO,  0x40, struct kvm_memory_region)
1443 /*
1444  * KVM_CREATE_VCPU receives as a parameter the vcpu slot, and returns
1445  * a vcpu fd.
1446  */
1447 #define KVM_CREATE_VCPU           _IO(KVMIO,   0x41)
1448 #define KVM_GET_DIRTY_LOG         _IOW(KVMIO,  0x42, struct kvm_dirty_log)
1449 /* KVM_SET_MEMORY_ALIAS is obsolete: */
1450 #define KVM_SET_MEMORY_ALIAS      _IOW(KVMIO,  0x43, struct kvm_memory_alias)
1451 #define KVM_SET_NR_MMU_PAGES      _IO(KVMIO,   0x44)
1452 #define KVM_GET_NR_MMU_PAGES      _IO(KVMIO,   0x45)
1453 #define KVM_SET_USER_MEMORY_REGION _IOW(KVMIO, 0x46, \
1454                     struct kvm_userspace_memory_region)
1455 #define KVM_SET_TSS_ADDR          _IO(KVMIO,   0x47)
1456 #define KVM_SET_IDENTITY_MAP_ADDR _IOW(KVMIO,  0x48, __u64)
1457 
1458 /* enable ucontrol for s390 */
1459 struct kvm_s390_ucas_mapping {
1460     __u64 user_addr;
1461     __u64 vcpu_addr;
1462     __u64 length;
1463 };
1464 #define KVM_S390_UCAS_MAP        _IOW(KVMIO, 0x50, struct kvm_s390_ucas_mapping)
1465 #define KVM_S390_UCAS_UNMAP      _IOW(KVMIO, 0x51, struct kvm_s390_ucas_mapping)
1466 #define KVM_S390_VCPU_FAULT  _IOW(KVMIO, 0x52, unsigned long)
1467 
1468 /* Device model IOC */
1469 #define KVM_CREATE_IRQCHIP        _IO(KVMIO,   0x60)
1470 #define KVM_IRQ_LINE              _IOW(KVMIO,  0x61, struct kvm_irq_level)
1471 #define KVM_GET_IRQCHIP           _IOWR(KVMIO, 0x62, struct kvm_irqchip)
1472 #define KVM_SET_IRQCHIP           _IOR(KVMIO,  0x63, struct kvm_irqchip)
1473 #define KVM_CREATE_PIT            _IO(KVMIO,   0x64)
1474 #define KVM_GET_PIT               _IOWR(KVMIO, 0x65, struct kvm_pit_state)
1475 #define KVM_SET_PIT               _IOR(KVMIO,  0x66, struct kvm_pit_state)
1476 #define KVM_IRQ_LINE_STATUS       _IOWR(KVMIO, 0x67, struct kvm_irq_level)
1477 #define KVM_REGISTER_COALESCED_MMIO \
1478             _IOW(KVMIO,  0x67, struct kvm_coalesced_mmio_zone)
1479 #define KVM_UNREGISTER_COALESCED_MMIO \
1480             _IOW(KVMIO,  0x68, struct kvm_coalesced_mmio_zone)
1481 #define KVM_ASSIGN_PCI_DEVICE     _IOR(KVMIO,  0x69, \
1482                        struct kvm_assigned_pci_dev)
1483 #define KVM_SET_GSI_ROUTING       _IOW(KVMIO,  0x6a, struct kvm_irq_routing)
1484 /* deprecated, replaced by KVM_ASSIGN_DEV_IRQ */
1485 #define KVM_ASSIGN_IRQ            __KVM_DEPRECATED_VM_R_0x70
1486 #define KVM_ASSIGN_DEV_IRQ        _IOW(KVMIO,  0x70, struct kvm_assigned_irq)
1487 #define KVM_REINJECT_CONTROL      _IO(KVMIO,   0x71)
1488 #define KVM_DEASSIGN_PCI_DEVICE   _IOW(KVMIO,  0x72, \
1489                        struct kvm_assigned_pci_dev)
1490 #define KVM_ASSIGN_SET_MSIX_NR    _IOW(KVMIO,  0x73, \
1491                        struct kvm_assigned_msix_nr)
1492 #define KVM_ASSIGN_SET_MSIX_ENTRY _IOW(KVMIO,  0x74, \
1493                        struct kvm_assigned_msix_entry)
1494 #define KVM_DEASSIGN_DEV_IRQ      _IOW(KVMIO,  0x75, struct kvm_assigned_irq)
1495 #define KVM_IRQFD                 _IOW(KVMIO,  0x76, struct kvm_irqfd)
1496 #define KVM_CREATE_PIT2       _IOW(KVMIO,  0x77, struct kvm_pit_config)
1497 #define KVM_SET_BOOT_CPU_ID       _IO(KVMIO,   0x78)
1498 #define KVM_IOEVENTFD             _IOW(KVMIO,  0x79, struct kvm_ioeventfd)
1499 #define KVM_XEN_HVM_CONFIG        _IOW(KVMIO,  0x7a, struct kvm_xen_hvm_config)
1500 #define KVM_SET_CLOCK             _IOW(KVMIO,  0x7b, struct kvm_clock_data)
1501 #define KVM_GET_CLOCK             _IOR(KVMIO,  0x7c, struct kvm_clock_data)
1502 /* Available with KVM_CAP_PIT_STATE2 */
1503 #define KVM_GET_PIT2              _IOR(KVMIO,  0x9f, struct kvm_pit_state2)
1504 #define KVM_SET_PIT2              _IOW(KVMIO,  0xa0, struct kvm_pit_state2)
1505 /* Available with KVM_CAP_PPC_GET_PVINFO */
1506 #define KVM_PPC_GET_PVINFO    _IOW(KVMIO,  0xa1, struct kvm_ppc_pvinfo)
1507 /* Available with KVM_CAP_TSC_CONTROL for a vCPU, or with
1508 *  KVM_CAP_VM_TSC_CONTROL to set defaults for a VM */
1509 #define KVM_SET_TSC_KHZ           _IO(KVMIO,  0xa2)
1510 #define KVM_GET_TSC_KHZ           _IO(KVMIO,  0xa3)
1511 /* Available with KVM_CAP_PCI_2_3 */
1512 #define KVM_ASSIGN_SET_INTX_MASK  _IOW(KVMIO,  0xa4, \
1513                        struct kvm_assigned_pci_dev)
1514 /* Available with KVM_CAP_SIGNAL_MSI */
1515 #define KVM_SIGNAL_MSI            _IOW(KVMIO,  0xa5, struct kvm_msi)
1516 /* Available with KVM_CAP_PPC_GET_SMMU_INFO */
1517 #define KVM_PPC_GET_SMMU_INFO     _IOR(KVMIO,  0xa6, struct kvm_ppc_smmu_info)
1518 /* Available with KVM_CAP_PPC_ALLOC_HTAB */
1519 #define KVM_PPC_ALLOCATE_HTAB     _IOWR(KVMIO, 0xa7, __u32)
1520 #define KVM_CREATE_SPAPR_TCE      _IOW(KVMIO,  0xa8, struct kvm_create_spapr_tce)
1521 #define KVM_CREATE_SPAPR_TCE_64   _IOW(KVMIO,  0xa8, \
1522                        struct kvm_create_spapr_tce_64)
1523 /* Available with KVM_CAP_RMA */
1524 #define KVM_ALLOCATE_RMA      _IOR(KVMIO,  0xa9, struct kvm_allocate_rma)
1525 /* Available with KVM_CAP_PPC_HTAB_FD */
1526 #define KVM_PPC_GET_HTAB_FD   _IOW(KVMIO,  0xaa, struct kvm_get_htab_fd)
1527 /* Available with KVM_CAP_ARM_SET_DEVICE_ADDR */
1528 #define KVM_ARM_SET_DEVICE_ADDR   _IOW(KVMIO,  0xab, struct kvm_arm_device_addr)
1529 /* Available with KVM_CAP_PPC_RTAS */
1530 #define KVM_PPC_RTAS_DEFINE_TOKEN _IOW(KVMIO,  0xac, struct kvm_rtas_token_args)
1531 /* Available with KVM_CAP_SPAPR_RESIZE_HPT */
1532 #define KVM_PPC_RESIZE_HPT_PREPARE _IOR(KVMIO, 0xad, struct kvm_ppc_resize_hpt)
1533 #define KVM_PPC_RESIZE_HPT_COMMIT  _IOR(KVMIO, 0xae, struct kvm_ppc_resize_hpt)
1534 /* Available with KVM_CAP_PPC_RADIX_MMU or KVM_CAP_PPC_HASH_MMU_V3 */
1535 #define KVM_PPC_CONFIGURE_V3_MMU  _IOW(KVMIO,  0xaf, struct kvm_ppc_mmuv3_cfg)
1536 /* Available with KVM_CAP_PPC_RADIX_MMU */
1537 #define KVM_PPC_GET_RMMU_INFO     _IOW(KVMIO,  0xb0, struct kvm_ppc_rmmu_info)
1538 /* Available with KVM_CAP_PPC_GET_CPU_CHAR */
1539 #define KVM_PPC_GET_CPU_CHAR      _IOR(KVMIO,  0xb1, struct kvm_ppc_cpu_char)
1540 /* Available with KVM_CAP_PMU_EVENT_FILTER */
1541 #define KVM_SET_PMU_EVENT_FILTER  _IOW(KVMIO,  0xb2, struct kvm_pmu_event_filter)
1542 #define KVM_PPC_SVM_OFF       _IO(KVMIO,  0xb3)
1543 #define KVM_ARM_MTE_COPY_TAGS     _IOR(KVMIO,  0xb4, struct kvm_arm_copy_mte_tags)
1544 
1545 /* ioctl for vm fd */
1546 #define KVM_CREATE_DEVICE     _IOWR(KVMIO,  0xe0, struct kvm_create_device)
1547 
1548 /* ioctls for fds returned by KVM_CREATE_DEVICE */
1549 #define KVM_SET_DEVICE_ATTR   _IOW(KVMIO,  0xe1, struct kvm_device_attr)
1550 #define KVM_GET_DEVICE_ATTR   _IOW(KVMIO,  0xe2, struct kvm_device_attr)
1551 #define KVM_HAS_DEVICE_ATTR   _IOW(KVMIO,  0xe3, struct kvm_device_attr)
1552 
1553 /*
1554  * ioctls for vcpu fds
1555  */
1556 #define KVM_RUN                   _IO(KVMIO,   0x80)
1557 #define KVM_GET_REGS              _IOR(KVMIO,  0x81, struct kvm_regs)
1558 #define KVM_SET_REGS              _IOW(KVMIO,  0x82, struct kvm_regs)
1559 #define KVM_GET_SREGS             _IOR(KVMIO,  0x83, struct kvm_sregs)
1560 #define KVM_SET_SREGS             _IOW(KVMIO,  0x84, struct kvm_sregs)
1561 #define KVM_TRANSLATE             _IOWR(KVMIO, 0x85, struct kvm_translation)
1562 #define KVM_INTERRUPT             _IOW(KVMIO,  0x86, struct kvm_interrupt)
1563 /* KVM_DEBUG_GUEST is no longer supported, use KVM_SET_GUEST_DEBUG instead */
1564 #define KVM_DEBUG_GUEST           __KVM_DEPRECATED_VCPU_W_0x87
1565 #define KVM_GET_MSRS              _IOWR(KVMIO, 0x88, struct kvm_msrs)
1566 #define KVM_SET_MSRS              _IOW(KVMIO,  0x89, struct kvm_msrs)
1567 #define KVM_SET_CPUID             _IOW(KVMIO,  0x8a, struct kvm_cpuid)
1568 #define KVM_SET_SIGNAL_MASK       _IOW(KVMIO,  0x8b, struct kvm_signal_mask)
1569 #define KVM_GET_FPU               _IOR(KVMIO,  0x8c, struct kvm_fpu)
1570 #define KVM_SET_FPU               _IOW(KVMIO,  0x8d, struct kvm_fpu)
1571 #define KVM_GET_LAPIC             _IOR(KVMIO,  0x8e, struct kvm_lapic_state)
1572 #define KVM_SET_LAPIC             _IOW(KVMIO,  0x8f, struct kvm_lapic_state)
1573 #define KVM_SET_CPUID2            _IOW(KVMIO,  0x90, struct kvm_cpuid2)
1574 #define KVM_GET_CPUID2            _IOWR(KVMIO, 0x91, struct kvm_cpuid2)
1575 /* Available with KVM_CAP_VAPIC */
1576 #define KVM_TPR_ACCESS_REPORTING  _IOWR(KVMIO, 0x92, struct kvm_tpr_access_ctl)
1577 /* Available with KVM_CAP_VAPIC */
1578 #define KVM_SET_VAPIC_ADDR        _IOW(KVMIO,  0x93, struct kvm_vapic_addr)
1579 /* valid for virtual machine (for floating interrupt)_and_ vcpu */
1580 #define KVM_S390_INTERRUPT        _IOW(KVMIO,  0x94, struct kvm_s390_interrupt)
1581 /* store status for s390 */
1582 #define KVM_S390_STORE_STATUS_NOADDR    (-1ul)
1583 #define KVM_S390_STORE_STATUS_PREFIXED  (-2ul)
1584 #define KVM_S390_STORE_STATUS     _IOW(KVMIO,  0x95, unsigned long)
1585 /* initial ipl psw for s390 */
1586 #define KVM_S390_SET_INITIAL_PSW  _IOW(KVMIO,  0x96, struct kvm_s390_psw)
1587 /* initial reset for s390 */
1588 #define KVM_S390_INITIAL_RESET    _IO(KVMIO,   0x97)
1589 #define KVM_GET_MP_STATE          _IOR(KVMIO,  0x98, struct kvm_mp_state)
1590 #define KVM_SET_MP_STATE          _IOW(KVMIO,  0x99, struct kvm_mp_state)
1591 /* Available with KVM_CAP_USER_NMI */
1592 #define KVM_NMI                   _IO(KVMIO,   0x9a)
1593 /* Available with KVM_CAP_SET_GUEST_DEBUG */
1594 #define KVM_SET_GUEST_DEBUG       _IOW(KVMIO,  0x9b, struct kvm_guest_debug)
1595 /* MCE for x86 */
1596 #define KVM_X86_SETUP_MCE         _IOW(KVMIO,  0x9c, __u64)
1597 #define KVM_X86_GET_MCE_CAP_SUPPORTED _IOR(KVMIO,  0x9d, __u64)
1598 #define KVM_X86_SET_MCE           _IOW(KVMIO,  0x9e, struct kvm_x86_mce)
1599 /* Available with KVM_CAP_VCPU_EVENTS */
1600 #define KVM_GET_VCPU_EVENTS       _IOR(KVMIO,  0x9f, struct kvm_vcpu_events)
1601 #define KVM_SET_VCPU_EVENTS       _IOW(KVMIO,  0xa0, struct kvm_vcpu_events)
1602 /* Available with KVM_CAP_DEBUGREGS */
1603 #define KVM_GET_DEBUGREGS         _IOR(KVMIO,  0xa1, struct kvm_debugregs)
1604 #define KVM_SET_DEBUGREGS         _IOW(KVMIO,  0xa2, struct kvm_debugregs)
1605 /*
1606  * vcpu version available with KVM_ENABLE_CAP
1607  * vm version available with KVM_CAP_ENABLE_CAP_VM
1608  */
1609 #define KVM_ENABLE_CAP            _IOW(KVMIO,  0xa3, struct kvm_enable_cap)
1610 /* Available with KVM_CAP_XSAVE */
1611 #define KVM_GET_XSAVE         _IOR(KVMIO,  0xa4, struct kvm_xsave)
1612 #define KVM_SET_XSAVE         _IOW(KVMIO,  0xa5, struct kvm_xsave)
1613 /* Available with KVM_CAP_XCRS */
1614 #define KVM_GET_XCRS          _IOR(KVMIO,  0xa6, struct kvm_xcrs)
1615 #define KVM_SET_XCRS          _IOW(KVMIO,  0xa7, struct kvm_xcrs)
1616 /* Available with KVM_CAP_SW_TLB */
1617 #define KVM_DIRTY_TLB         _IOW(KVMIO,  0xaa, struct kvm_dirty_tlb)
1618 /* Available with KVM_CAP_ONE_REG */
1619 #define KVM_GET_ONE_REG       _IOW(KVMIO,  0xab, struct kvm_one_reg)
1620 #define KVM_SET_ONE_REG       _IOW(KVMIO,  0xac, struct kvm_one_reg)
1621 /* VM is being stopped by host */
1622 #define KVM_KVMCLOCK_CTRL     _IO(KVMIO,   0xad)
1623 #define KVM_ARM_VCPU_INIT     _IOW(KVMIO,  0xae, struct kvm_vcpu_init)
1624 #define KVM_ARM_PREFERRED_TARGET  _IOR(KVMIO,  0xaf, struct kvm_vcpu_init)
1625 #define KVM_GET_REG_LIST      _IOWR(KVMIO, 0xb0, struct kvm_reg_list)
1626 /* Available with KVM_CAP_S390_MEM_OP */
1627 #define KVM_S390_MEM_OP       _IOW(KVMIO,  0xb1, struct kvm_s390_mem_op)
1628 /* Available with KVM_CAP_S390_SKEYS */
1629 #define KVM_S390_GET_SKEYS      _IOW(KVMIO, 0xb2, struct kvm_s390_skeys)
1630 #define KVM_S390_SET_SKEYS      _IOW(KVMIO, 0xb3, struct kvm_s390_skeys)
1631 /* Available with KVM_CAP_S390_INJECT_IRQ */
1632 #define KVM_S390_IRQ              _IOW(KVMIO,  0xb4, struct kvm_s390_irq)
1633 /* Available with KVM_CAP_S390_IRQ_STATE */
1634 #define KVM_S390_SET_IRQ_STATE    _IOW(KVMIO, 0xb5, struct kvm_s390_irq_state)
1635 #define KVM_S390_GET_IRQ_STATE    _IOW(KVMIO, 0xb6, struct kvm_s390_irq_state)
1636 /* Available with KVM_CAP_X86_SMM */
1637 #define KVM_SMI                   _IO(KVMIO,   0xb7)
1638 /* Available with KVM_CAP_S390_CMMA_MIGRATION */
1639 #define KVM_S390_GET_CMMA_BITS      _IOWR(KVMIO, 0xb8, struct kvm_s390_cmma_log)
1640 #define KVM_S390_SET_CMMA_BITS      _IOW(KVMIO, 0xb9, struct kvm_s390_cmma_log)
1641 /* Memory Encryption Commands */
1642 #define KVM_MEMORY_ENCRYPT_OP      _IOWR(KVMIO, 0xba, unsigned long)
1643 
1644 struct kvm_enc_region {
1645     __u64 addr;
1646     __u64 size;
1647 };
1648 
1649 #define KVM_MEMORY_ENCRYPT_REG_REGION    _IOR(KVMIO, 0xbb, struct kvm_enc_region)
1650 #define KVM_MEMORY_ENCRYPT_UNREG_REGION  _IOR(KVMIO, 0xbc, struct kvm_enc_region)
1651 
1652 /* Available with KVM_CAP_HYPERV_EVENTFD */
1653 #define KVM_HYPERV_EVENTFD        _IOW(KVMIO,  0xbd, struct kvm_hyperv_eventfd)
1654 
1655 /* Available with KVM_CAP_NESTED_STATE */
1656 #define KVM_GET_NESTED_STATE         _IOWR(KVMIO, 0xbe, struct kvm_nested_state)
1657 #define KVM_SET_NESTED_STATE         _IOW(KVMIO,  0xbf, struct kvm_nested_state)
1658 
1659 /* Available with KVM_CAP_MANUAL_DIRTY_LOG_PROTECT_2 */
1660 #define KVM_CLEAR_DIRTY_LOG          _IOWR(KVMIO, 0xc0, struct kvm_clear_dirty_log)
1661 
1662 /* Available with KVM_CAP_HYPERV_CPUID (vcpu) / KVM_CAP_SYS_HYPERV_CPUID (system) */
1663 #define KVM_GET_SUPPORTED_HV_CPUID _IOWR(KVMIO, 0xc1, struct kvm_cpuid2)
1664 
1665 /* Available with KVM_CAP_ARM_SVE */
1666 #define KVM_ARM_VCPU_FINALIZE     _IOW(KVMIO,  0xc2, int)
1667 
1668 /* Available with  KVM_CAP_S390_VCPU_RESETS */
1669 #define KVM_S390_NORMAL_RESET   _IO(KVMIO,   0xc3)
1670 #define KVM_S390_CLEAR_RESET    _IO(KVMIO,   0xc4)
1671 
1672 struct kvm_s390_pv_sec_parm {
1673     __u64 origin;
1674     __u64 length;
1675 };
1676 
1677 struct kvm_s390_pv_unp {
1678     __u64 addr;
1679     __u64 size;
1680     __u64 tweak;
1681 };
1682 
1683 enum pv_cmd_dmp_id {
1684     KVM_PV_DUMP_INIT,
1685     KVM_PV_DUMP_CONFIG_STOR_STATE,
1686     KVM_PV_DUMP_COMPLETE,
1687     KVM_PV_DUMP_CPU,
1688 };
1689 
1690 struct kvm_s390_pv_dmp {
1691     __u64 subcmd;
1692     __u64 buff_addr;
1693     __u64 buff_len;
1694     __u64 gaddr;        /* For dump storage state */
1695     __u64 reserved[4];
1696 };
1697 
1698 enum pv_cmd_info_id {
1699     KVM_PV_INFO_VM,
1700     KVM_PV_INFO_DUMP,
1701 };
1702 
1703 struct kvm_s390_pv_info_dump {
1704     __u64 dump_cpu_buffer_len;
1705     __u64 dump_config_mem_buffer_per_1m;
1706     __u64 dump_config_finalize_len;
1707 };
1708 
1709 struct kvm_s390_pv_info_vm {
1710     __u64 inst_calls_list[4];
1711     __u64 max_cpus;
1712     __u64 max_guests;
1713     __u64 max_guest_addr;
1714     __u64 feature_indication;
1715 };
1716 
1717 struct kvm_s390_pv_info_header {
1718     __u32 id;
1719     __u32 len_max;
1720     __u32 len_written;
1721     __u32 reserved;
1722 };
1723 
1724 struct kvm_s390_pv_info {
1725     struct kvm_s390_pv_info_header header;
1726     union {
1727         struct kvm_s390_pv_info_dump dump;
1728         struct kvm_s390_pv_info_vm vm;
1729     };
1730 };
1731 
1732 enum pv_cmd_id {
1733     KVM_PV_ENABLE,
1734     KVM_PV_DISABLE,
1735     KVM_PV_SET_SEC_PARMS,
1736     KVM_PV_UNPACK,
1737     KVM_PV_VERIFY,
1738     KVM_PV_PREP_RESET,
1739     KVM_PV_UNSHARE_ALL,
1740     KVM_PV_INFO,
1741     KVM_PV_DUMP,
1742 };
1743 
1744 struct kvm_pv_cmd {
1745     __u32 cmd;  /* Command to be executed */
1746     __u16 rc;   /* Ultravisor return code */
1747     __u16 rrc;  /* Ultravisor return reason code */
1748     __u64 data; /* Data or address */
1749     __u32 flags;    /* flags for future extensions. Must be 0 for now */
1750     __u32 reserved[3];
1751 };
1752 
1753 /* Available with KVM_CAP_S390_PROTECTED */
1754 #define KVM_S390_PV_COMMAND     _IOWR(KVMIO, 0xc5, struct kvm_pv_cmd)
1755 
1756 /* Available with KVM_CAP_X86_MSR_FILTER */
1757 #define KVM_X86_SET_MSR_FILTER  _IOW(KVMIO,  0xc6, struct kvm_msr_filter)
1758 
1759 /* Available with KVM_CAP_DIRTY_LOG_RING */
1760 #define KVM_RESET_DIRTY_RINGS       _IO(KVMIO, 0xc7)
1761 
1762 /* Per-VM Xen attributes */
1763 #define KVM_XEN_HVM_GET_ATTR    _IOWR(KVMIO, 0xc8, struct kvm_xen_hvm_attr)
1764 #define KVM_XEN_HVM_SET_ATTR    _IOW(KVMIO,  0xc9, struct kvm_xen_hvm_attr)
1765 
1766 struct kvm_xen_hvm_attr {
1767     __u16 type;
1768     __u16 pad[3];
1769     union {
1770         __u8 long_mode;
1771         __u8 vector;
1772         struct {
1773             __u64 gfn;
1774         } shared_info;
1775         struct {
1776             __u32 send_port;
1777             __u32 type; /* EVTCHNSTAT_ipi / EVTCHNSTAT_interdomain */
1778             __u32 flags;
1779 #define KVM_XEN_EVTCHN_DEASSIGN     (1 << 0)
1780 #define KVM_XEN_EVTCHN_UPDATE       (1 << 1)
1781 #define KVM_XEN_EVTCHN_RESET        (1 << 2)
1782             /*
1783              * Events sent by the guest are either looped back to
1784              * the guest itself (potentially on a different port#)
1785              * or signalled via an eventfd.
1786              */
1787             union {
1788                 struct {
1789                     __u32 port;
1790                     __u32 vcpu;
1791                     __u32 priority;
1792                 } port;
1793                 struct {
1794                     __u32 port; /* Zero for eventfd */
1795                     __s32 fd;
1796                 } eventfd;
1797                 __u32 padding[4];
1798             } deliver;
1799         } evtchn;
1800         __u32 xen_version;
1801         __u64 pad[8];
1802     } u;
1803 };
1804 
1805 /* Available with KVM_CAP_XEN_HVM / KVM_XEN_HVM_CONFIG_SHARED_INFO */
1806 #define KVM_XEN_ATTR_TYPE_LONG_MODE     0x0
1807 #define KVM_XEN_ATTR_TYPE_SHARED_INFO       0x1
1808 #define KVM_XEN_ATTR_TYPE_UPCALL_VECTOR     0x2
1809 /* Available with KVM_CAP_XEN_HVM / KVM_XEN_HVM_CONFIG_EVTCHN_SEND */
1810 #define KVM_XEN_ATTR_TYPE_EVTCHN        0x3
1811 #define KVM_XEN_ATTR_TYPE_XEN_VERSION       0x4
1812 
1813 /* Per-vCPU Xen attributes */
1814 #define KVM_XEN_VCPU_GET_ATTR   _IOWR(KVMIO, 0xca, struct kvm_xen_vcpu_attr)
1815 #define KVM_XEN_VCPU_SET_ATTR   _IOW(KVMIO,  0xcb, struct kvm_xen_vcpu_attr)
1816 
1817 /* Available with KVM_CAP_XEN_HVM / KVM_XEN_HVM_CONFIG_EVTCHN_SEND */
1818 #define KVM_XEN_HVM_EVTCHN_SEND _IOW(KVMIO,  0xd0, struct kvm_irq_routing_xen_evtchn)
1819 
1820 #define KVM_GET_SREGS2             _IOR(KVMIO,  0xcc, struct kvm_sregs2)
1821 #define KVM_SET_SREGS2             _IOW(KVMIO,  0xcd, struct kvm_sregs2)
1822 
1823 struct kvm_xen_vcpu_attr {
1824     __u16 type;
1825     __u16 pad[3];
1826     union {
1827         __u64 gpa;
1828         __u64 pad[8];
1829         struct {
1830             __u64 state;
1831             __u64 state_entry_time;
1832             __u64 time_running;
1833             __u64 time_runnable;
1834             __u64 time_blocked;
1835             __u64 time_offline;
1836         } runstate;
1837         __u32 vcpu_id;
1838         struct {
1839             __u32 port;
1840             __u32 priority;
1841             __u64 expires_ns;
1842         } timer;
1843         __u8 vector;
1844     } u;
1845 };
1846 
1847 /* Available with KVM_CAP_XEN_HVM / KVM_XEN_HVM_CONFIG_SHARED_INFO */
1848 #define KVM_XEN_VCPU_ATTR_TYPE_VCPU_INFO    0x0
1849 #define KVM_XEN_VCPU_ATTR_TYPE_VCPU_TIME_INFO   0x1
1850 #define KVM_XEN_VCPU_ATTR_TYPE_RUNSTATE_ADDR    0x2
1851 #define KVM_XEN_VCPU_ATTR_TYPE_RUNSTATE_CURRENT 0x3
1852 #define KVM_XEN_VCPU_ATTR_TYPE_RUNSTATE_DATA    0x4
1853 #define KVM_XEN_VCPU_ATTR_TYPE_RUNSTATE_ADJUST  0x5
1854 /* Available with KVM_CAP_XEN_HVM / KVM_XEN_HVM_CONFIG_EVTCHN_SEND */
1855 #define KVM_XEN_VCPU_ATTR_TYPE_VCPU_ID      0x6
1856 #define KVM_XEN_VCPU_ATTR_TYPE_TIMER        0x7
1857 #define KVM_XEN_VCPU_ATTR_TYPE_UPCALL_VECTOR    0x8
1858 
1859 /* Secure Encrypted Virtualization command */
1860 enum sev_cmd_id {
1861     /* Guest initialization commands */
1862     KVM_SEV_INIT = 0,
1863     KVM_SEV_ES_INIT,
1864     /* Guest launch commands */
1865     KVM_SEV_LAUNCH_START,
1866     KVM_SEV_LAUNCH_UPDATE_DATA,
1867     KVM_SEV_LAUNCH_UPDATE_VMSA,
1868     KVM_SEV_LAUNCH_SECRET,
1869     KVM_SEV_LAUNCH_MEASURE,
1870     KVM_SEV_LAUNCH_FINISH,
1871     /* Guest migration commands (outgoing) */
1872     KVM_SEV_SEND_START,
1873     KVM_SEV_SEND_UPDATE_DATA,
1874     KVM_SEV_SEND_UPDATE_VMSA,
1875     KVM_SEV_SEND_FINISH,
1876     /* Guest migration commands (incoming) */
1877     KVM_SEV_RECEIVE_START,
1878     KVM_SEV_RECEIVE_UPDATE_DATA,
1879     KVM_SEV_RECEIVE_UPDATE_VMSA,
1880     KVM_SEV_RECEIVE_FINISH,
1881     /* Guest status and debug commands */
1882     KVM_SEV_GUEST_STATUS,
1883     KVM_SEV_DBG_DECRYPT,
1884     KVM_SEV_DBG_ENCRYPT,
1885     /* Guest certificates commands */
1886     KVM_SEV_CERT_EXPORT,
1887     /* Attestation report */
1888     KVM_SEV_GET_ATTESTATION_REPORT,
1889     /* Guest Migration Extension */
1890     KVM_SEV_SEND_CANCEL,
1891 
1892     KVM_SEV_NR_MAX,
1893 };
1894 
1895 struct kvm_sev_cmd {
1896     __u32 id;
1897     __u64 data;
1898     __u32 error;
1899     __u32 sev_fd;
1900 };
1901 
1902 struct kvm_sev_launch_start {
1903     __u32 handle;
1904     __u32 policy;
1905     __u64 dh_uaddr;
1906     __u32 dh_len;
1907     __u64 session_uaddr;
1908     __u32 session_len;
1909 };
1910 
1911 struct kvm_sev_launch_update_data {
1912     __u64 uaddr;
1913     __u32 len;
1914 };
1915 
1916 
1917 struct kvm_sev_launch_secret {
1918     __u64 hdr_uaddr;
1919     __u32 hdr_len;
1920     __u64 guest_uaddr;
1921     __u32 guest_len;
1922     __u64 trans_uaddr;
1923     __u32 trans_len;
1924 };
1925 
1926 struct kvm_sev_launch_measure {
1927     __u64 uaddr;
1928     __u32 len;
1929 };
1930 
1931 struct kvm_sev_guest_status {
1932     __u32 handle;
1933     __u32 policy;
1934     __u32 state;
1935 };
1936 
1937 struct kvm_sev_dbg {
1938     __u64 src_uaddr;
1939     __u64 dst_uaddr;
1940     __u32 len;
1941 };
1942 
1943 struct kvm_sev_attestation_report {
1944     __u8 mnonce[16];
1945     __u64 uaddr;
1946     __u32 len;
1947 };
1948 
1949 struct kvm_sev_send_start {
1950     __u32 policy;
1951     __u64 pdh_cert_uaddr;
1952     __u32 pdh_cert_len;
1953     __u64 plat_certs_uaddr;
1954     __u32 plat_certs_len;
1955     __u64 amd_certs_uaddr;
1956     __u32 amd_certs_len;
1957     __u64 session_uaddr;
1958     __u32 session_len;
1959 };
1960 
1961 struct kvm_sev_send_update_data {
1962     __u64 hdr_uaddr;
1963     __u32 hdr_len;
1964     __u64 guest_uaddr;
1965     __u32 guest_len;
1966     __u64 trans_uaddr;
1967     __u32 trans_len;
1968 };
1969 
1970 struct kvm_sev_receive_start {
1971     __u32 handle;
1972     __u32 policy;
1973     __u64 pdh_uaddr;
1974     __u32 pdh_len;
1975     __u64 session_uaddr;
1976     __u32 session_len;
1977 };
1978 
1979 struct kvm_sev_receive_update_data {
1980     __u64 hdr_uaddr;
1981     __u32 hdr_len;
1982     __u64 guest_uaddr;
1983     __u32 guest_len;
1984     __u64 trans_uaddr;
1985     __u32 trans_len;
1986 };
1987 
1988 #define KVM_DEV_ASSIGN_ENABLE_IOMMU (1 << 0)
1989 #define KVM_DEV_ASSIGN_PCI_2_3      (1 << 1)
1990 #define KVM_DEV_ASSIGN_MASK_INTX    (1 << 2)
1991 
1992 struct kvm_assigned_pci_dev {
1993     __u32 assigned_dev_id;
1994     __u32 busnr;
1995     __u32 devfn;
1996     __u32 flags;
1997     __u32 segnr;
1998     union {
1999         __u32 reserved[11];
2000     };
2001 };
2002 
2003 #define KVM_DEV_IRQ_HOST_INTX    (1 << 0)
2004 #define KVM_DEV_IRQ_HOST_MSI     (1 << 1)
2005 #define KVM_DEV_IRQ_HOST_MSIX    (1 << 2)
2006 
2007 #define KVM_DEV_IRQ_GUEST_INTX   (1 << 8)
2008 #define KVM_DEV_IRQ_GUEST_MSI    (1 << 9)
2009 #define KVM_DEV_IRQ_GUEST_MSIX   (1 << 10)
2010 
2011 #define KVM_DEV_IRQ_HOST_MASK    0x00ff
2012 #define KVM_DEV_IRQ_GUEST_MASK   0xff00
2013 
2014 struct kvm_assigned_irq {
2015     __u32 assigned_dev_id;
2016     __u32 host_irq; /* ignored (legacy field) */
2017     __u32 guest_irq;
2018     __u32 flags;
2019     union {
2020         __u32 reserved[12];
2021     };
2022 };
2023 
2024 struct kvm_assigned_msix_nr {
2025     __u32 assigned_dev_id;
2026     __u16 entry_nr;
2027     __u16 padding;
2028 };
2029 
2030 #define KVM_MAX_MSIX_PER_DEV        256
2031 struct kvm_assigned_msix_entry {
2032     __u32 assigned_dev_id;
2033     __u32 gsi;
2034     __u16 entry; /* The index of entry in the MSI-X table */
2035     __u16 padding[3];
2036 };
2037 
2038 #define KVM_X2APIC_API_USE_32BIT_IDS            (1ULL << 0)
2039 #define KVM_X2APIC_API_DISABLE_BROADCAST_QUIRK  (1ULL << 1)
2040 
2041 /* Available with KVM_CAP_ARM_USER_IRQ */
2042 
2043 /* Bits for run->s.regs.device_irq_level */
2044 #define KVM_ARM_DEV_EL1_VTIMER      (1 << 0)
2045 #define KVM_ARM_DEV_EL1_PTIMER      (1 << 1)
2046 #define KVM_ARM_DEV_PMU         (1 << 2)
2047 
2048 struct kvm_hyperv_eventfd {
2049     __u32 conn_id;
2050     __s32 fd;
2051     __u32 flags;
2052     __u32 padding[3];
2053 };
2054 
2055 #define KVM_HYPERV_CONN_ID_MASK     0x00ffffff
2056 #define KVM_HYPERV_EVENTFD_DEASSIGN (1 << 0)
2057 
2058 #define KVM_DIRTY_LOG_MANUAL_PROTECT_ENABLE    (1 << 0)
2059 #define KVM_DIRTY_LOG_INITIALLY_SET            (1 << 1)
2060 
2061 /*
2062  * Arch needs to define the macro after implementing the dirty ring
2063  * feature.  KVM_DIRTY_LOG_PAGE_OFFSET should be defined as the
2064  * starting page offset of the dirty ring structures.
2065  */
2066 #ifndef KVM_DIRTY_LOG_PAGE_OFFSET
2067 #define KVM_DIRTY_LOG_PAGE_OFFSET 0
2068 #endif
2069 
2070 /*
2071  * KVM dirty GFN flags, defined as:
2072  *
2073  * |---------------+---------------+--------------|
2074  * | bit 1 (reset) | bit 0 (dirty) | Status       |
2075  * |---------------+---------------+--------------|
2076  * |             0 |             0 | Invalid GFN  |
2077  * |             0 |             1 | Dirty GFN    |
2078  * |             1 |             X | GFN to reset |
2079  * |---------------+---------------+--------------|
2080  *
2081  * Lifecycle of a dirty GFN goes like:
2082  *
2083  *      dirtied         harvested        reset
2084  * 00 -----------> 01 -------------> 1X -------+
2085  *  ^                                          |
2086  *  |                                          |
2087  *  +------------------------------------------+
2088  *
2089  * The userspace program is only responsible for the 01->1X state
2090  * conversion after harvesting an entry.  Also, it must not skip any
2091  * dirty bits, so that dirty bits are always harvested in sequence.
2092  */
2093 #define KVM_DIRTY_GFN_F_DIRTY           _BITUL(0)
2094 #define KVM_DIRTY_GFN_F_RESET           _BITUL(1)
2095 #define KVM_DIRTY_GFN_F_MASK            0x3
2096 
2097 /*
2098  * KVM dirty rings should be mapped at KVM_DIRTY_LOG_PAGE_OFFSET of
2099  * per-vcpu mmaped regions as an array of struct kvm_dirty_gfn.  The
2100  * size of the gfn buffer is decided by the first argument when
2101  * enabling KVM_CAP_DIRTY_LOG_RING.
2102  */
2103 struct kvm_dirty_gfn {
2104     __u32 flags;
2105     __u32 slot;
2106     __u64 offset;
2107 };
2108 
2109 #define KVM_BUS_LOCK_DETECTION_OFF             (1 << 0)
2110 #define KVM_BUS_LOCK_DETECTION_EXIT            (1 << 1)
2111 
2112 #define KVM_PMU_CAP_DISABLE                    (1 << 0)
2113 
2114 /**
2115  * struct kvm_stats_header - Header of per vm/vcpu binary statistics data.
2116  * @flags: Some extra information for header, always 0 for now.
2117  * @name_size: The size in bytes of the memory which contains statistics
2118  *             name string including trailing '\0'. The memory is allocated
2119  *             at the send of statistics descriptor.
2120  * @num_desc: The number of statistics the vm or vcpu has.
2121  * @id_offset: The offset of the vm/vcpu stats' id string in the file pointed
2122  *             by vm/vcpu stats fd.
2123  * @desc_offset: The offset of the vm/vcpu stats' descriptor block in the file
2124  *               pointd by vm/vcpu stats fd.
2125  * @data_offset: The offset of the vm/vcpu stats' data block in the file
2126  *               pointed by vm/vcpu stats fd.
2127  *
2128  * This is the header userspace needs to read from stats fd before any other
2129  * readings. It is used by userspace to discover all the information about the
2130  * vm/vcpu's binary statistics.
2131  * Userspace reads this header from the start of the vm/vcpu's stats fd.
2132  */
2133 struct kvm_stats_header {
2134     __u32 flags;
2135     __u32 name_size;
2136     __u32 num_desc;
2137     __u32 id_offset;
2138     __u32 desc_offset;
2139     __u32 data_offset;
2140 };
2141 
2142 #define KVM_STATS_TYPE_SHIFT        0
2143 #define KVM_STATS_TYPE_MASK     (0xF << KVM_STATS_TYPE_SHIFT)
2144 #define KVM_STATS_TYPE_CUMULATIVE   (0x0 << KVM_STATS_TYPE_SHIFT)
2145 #define KVM_STATS_TYPE_INSTANT      (0x1 << KVM_STATS_TYPE_SHIFT)
2146 #define KVM_STATS_TYPE_PEAK     (0x2 << KVM_STATS_TYPE_SHIFT)
2147 #define KVM_STATS_TYPE_LINEAR_HIST  (0x3 << KVM_STATS_TYPE_SHIFT)
2148 #define KVM_STATS_TYPE_LOG_HIST     (0x4 << KVM_STATS_TYPE_SHIFT)
2149 #define KVM_STATS_TYPE_MAX      KVM_STATS_TYPE_LOG_HIST
2150 
2151 #define KVM_STATS_UNIT_SHIFT        4
2152 #define KVM_STATS_UNIT_MASK     (0xF << KVM_STATS_UNIT_SHIFT)
2153 #define KVM_STATS_UNIT_NONE     (0x0 << KVM_STATS_UNIT_SHIFT)
2154 #define KVM_STATS_UNIT_BYTES        (0x1 << KVM_STATS_UNIT_SHIFT)
2155 #define KVM_STATS_UNIT_SECONDS      (0x2 << KVM_STATS_UNIT_SHIFT)
2156 #define KVM_STATS_UNIT_CYCLES       (0x3 << KVM_STATS_UNIT_SHIFT)
2157 #define KVM_STATS_UNIT_BOOLEAN      (0x4 << KVM_STATS_UNIT_SHIFT)
2158 #define KVM_STATS_UNIT_MAX      KVM_STATS_UNIT_BOOLEAN
2159 
2160 #define KVM_STATS_BASE_SHIFT        8
2161 #define KVM_STATS_BASE_MASK     (0xF << KVM_STATS_BASE_SHIFT)
2162 #define KVM_STATS_BASE_POW10        (0x0 << KVM_STATS_BASE_SHIFT)
2163 #define KVM_STATS_BASE_POW2     (0x1 << KVM_STATS_BASE_SHIFT)
2164 #define KVM_STATS_BASE_MAX      KVM_STATS_BASE_POW2
2165 
2166 /**
2167  * struct kvm_stats_desc - Descriptor of a KVM statistics.
2168  * @flags: Annotations of the stats, like type, unit, etc.
2169  * @exponent: Used together with @flags to determine the unit.
2170  * @size: The number of data items for this stats.
2171  *        Every data item is of type __u64.
2172  * @offset: The offset of the stats to the start of stat structure in
2173  *          structure kvm or kvm_vcpu.
2174  * @bucket_size: A parameter value used for histogram stats. It is only used
2175  *      for linear histogram stats, specifying the size of the bucket;
2176  * @name: The name string for the stats. Its size is indicated by the
2177  *        &kvm_stats_header->name_size.
2178  */
2179 struct kvm_stats_desc {
2180     __u32 flags;
2181     __s16 exponent;
2182     __u16 size;
2183     __u32 offset;
2184     __u32 bucket_size;
2185     char name[];
2186 };
2187 
2188 #define KVM_GET_STATS_FD  _IO(KVMIO,  0xce)
2189 
2190 /* Available with KVM_CAP_XSAVE2 */
2191 #define KVM_GET_XSAVE2        _IOR(KVMIO,  0xcf, struct kvm_xsave)
2192 
2193 /* Available with KVM_CAP_S390_PROTECTED_DUMP */
2194 #define KVM_S390_PV_CPU_COMMAND _IOWR(KVMIO, 0xd0, struct kvm_pv_cmd)
2195 
2196 /* Available with KVM_CAP_X86_NOTIFY_VMEXIT */
2197 #define KVM_X86_NOTIFY_VMEXIT_ENABLED       (1ULL << 0)
2198 #define KVM_X86_NOTIFY_VMEXIT_USER      (1ULL << 1)
2199 
2200 /* Available with KVM_CAP_S390_ZPCI_OP */
2201 #define KVM_S390_ZPCI_OP         _IOW(KVMIO,  0xd1, struct kvm_s390_zpci_op)
2202 
2203 struct kvm_s390_zpci_op {
2204     /* in */
2205     __u32 fh;               /* target device */
2206     __u8  op;               /* operation to perform */
2207     __u8  pad[3];
2208     union {
2209         /* for KVM_S390_ZPCIOP_REG_AEN */
2210         struct {
2211             __u64 ibv;      /* Guest addr of interrupt bit vector */
2212             __u64 sb;       /* Guest addr of summary bit */
2213             __u32 flags;
2214             __u32 noi;      /* Number of interrupts */
2215             __u8 isc;       /* Guest interrupt subclass */
2216             __u8 sbo;       /* Offset of guest summary bit vector */
2217             __u16 pad;
2218         } reg_aen;
2219         __u64 reserved[8];
2220     } u;
2221 };
2222 
2223 /* types for kvm_s390_zpci_op->op */
2224 #define KVM_S390_ZPCIOP_REG_AEN                0
2225 #define KVM_S390_ZPCIOP_DEREG_AEN      1
2226 
2227 /* flags for kvm_s390_zpci_op->u.reg_aen.flags */
2228 #define KVM_S390_ZPCIOP_REGAEN_HOST    (1 << 0)
2229 
2230 #endif /* __LINUX_KVM_H */
[ Source navigation ] [ Diff markup ] [ Identifier search ] [ general search ]

This page was automatically generated by the 2.1.0 LXR engine.

The LXR team
Valid CSS 2.1! Valid HTML 4.01!