#ifndef __LINUX_KVM_H #define __LINUX_KVM_H /* * Userspace interface for /dev/kvm - kernel based virtual machine * * Note: you must update KVM_API_VERSION if you change this interface. */ #include #include #include #include #define KVM_API_VERSION 12 /* for KVM_TRACE_ENABLE */ struct kvm_user_trace_setup { __u32 buf_size; /* sub_buffer size of each per-cpu */ __u32 buf_nr; /* the number of sub_buffers of each per-cpu */ }; /* for KVM_CREATE_MEMORY_REGION */ struct kvm_memory_region { __u32 slot; __u32 flags; __u64 guest_phys_addr; __u64 memory_size; /* bytes */ }; /* for KVM_SET_USER_MEMORY_REGION */ struct kvm_userspace_memory_region { __u32 slot; __u32 flags; __u64 guest_phys_addr; __u64 memory_size; /* bytes */ __u64 userspace_addr; /* start of the userspace allocated memory */ }; /* for kvm_memory_region::flags */ #define KVM_MEM_LOG_DIRTY_PAGES 1UL /* for KVM_IRQ_LINE */ struct kvm_irq_level { /* * ACPI gsi notion of irq. * For IA-64 (APIC model) IOAPIC0: irq 0-23; IOAPIC1: irq 24-47.. * For X86 (standard AT mode) PIC0/1: irq 0-15. IOAPIC0: 0-23.. */ union { __u32 irq; __s32 status; }; __u32 level; }; struct kvm_irqchip { __u32 chip_id; __u32 pad; union { char dummy[512]; /* reserving space */ #ifdef __KVM_HAVE_PIT struct kvm_pic_state pic; #endif #ifdef __KVM_HAVE_IOAPIC struct kvm_ioapic_state ioapic; #endif } chip; }; #define KVM_EXIT_UNKNOWN 0 #define KVM_EXIT_EXCEPTION 1 #define KVM_EXIT_IO 2 #define KVM_EXIT_HYPERCALL 3 #define KVM_EXIT_DEBUG 4 #define KVM_EXIT_HLT 5 #define KVM_EXIT_MMIO 6 #define KVM_EXIT_IRQ_WINDOW_OPEN 7 #define KVM_EXIT_SHUTDOWN 8 #define KVM_EXIT_FAIL_ENTRY 9 #define KVM_EXIT_INTR 10 #define KVM_EXIT_SET_TPR 11 #define KVM_EXIT_TPR_ACCESS 12 #define KVM_EXIT_S390_SIEIC 13 #define KVM_EXIT_S390_RESET 14 #define KVM_EXIT_DCR 15 #define KVM_EXIT_NMI 16 /* for KVM_RUN, returned by mmap(vcpu_fd, offset=0) */ struct kvm_run { /* in */ __u8 request_interrupt_window; __u8 padding1[7]; /* out */ __u32 exit_reason; __u8 ready_for_interrupt_injection; __u8 if_flag; __u8 padding2[2]; /* in (pre_kvm_run), out (post_kvm_run) */ __u64 cr8; __u64 apic_base; union { /* KVM_EXIT_UNKNOWN */ struct { __u64 hardware_exit_reason; } hw; /* KVM_EXIT_FAIL_ENTRY */ struct { __u64 hardware_entry_failure_reason; } fail_entry; /* KVM_EXIT_EXCEPTION */ struct { __u32 exception; __u32 error_code; } ex; /* KVM_EXIT_IO */ struct kvm_io { #define KVM_EXIT_IO_IN 0 #define KVM_EXIT_IO_OUT 1 __u8 direction; __u8 size; /* bytes */ __u16 port; __u32 count; __u64 data_offset; /* relative to kvm_run start */ } io; struct { struct kvm_debug_exit_arch arch; } debug; /* KVM_EXIT_MMIO */ struct { __u64 phys_addr; __u8 data[8]; __u32 len; __u8 is_write; } mmio; /* KVM_EXIT_HYPERCALL */ struct { __u64 nr; __u64 args[6]; __u64 ret; __u32 longmode; __u32 pad; } hypercall; /* KVM_EXIT_TPR_ACCESS */ struct { __u64 rip; __u32 is_write; __u32 pad; } tpr_access; /* KVM_EXIT_S390_SIEIC */ struct { __u8 icptcode; __u64 mask; /* psw upper half */ __u64 addr; /* psw lower half */ __u16 ipa; __u32 ipb; } s390_sieic; /* KVM_EXIT_S390_RESET */ #define KVM_S390_RESET_POR 1 #define KVM_S390_RESET_CLEAR 2 #define KVM_S390_RESET_SUBSYSTEM 4 #define KVM_S390_RESET_CPU_INIT 8 #define KVM_S390_RESET_IPL 16 __u64 s390_reset_flags; /* KVM_EXIT_DCR */ struct { __u32 dcrn; __u32 data; __u8 is_write; } dcr; /* Fix the size of the union. */ char padding[256]; }; }; /* for KVM_REGISTER_COALESCED_MMIO / KVM_UNREGISTER_COALESCED_MMIO */ struct kvm_coalesced_mmio_zone { __u64 addr; __u32 size; __u32 pad; }; struct kvm_coalesced_mmio { __u64 phys_addr; __u32 len; __u32 pad; __u8 data[8]; }; struct kvm_coalesced_mmio_ring { __u32 first, last; struct kvm_coalesced_mmio coalesced_mmio[0]; }; #define KVM_COALESCED_MMIO_MAX \ ((PAGE_SIZE - sizeof(struct kvm_coalesced_mmio_ring)) / \ sizeof(struct kvm_coalesced_mmio)) /* for KVM_TRANSLATE */ struct kvm_translation { /* in */ __u64 linear_address; /* out */ __u64 physical_address; __u8 valid; __u8 writeable; __u8 usermode; __u8 pad[5]; }; /* for KVM_INTERRUPT */ struct kvm_interrupt { /* in */ __u32 irq; }; /* for KVM_GET_DIRTY_LOG */ struct kvm_dirty_log { __u32 slot; __u32 padding; union { void __user *dirty_bitmap; /* one bit per page */ __u64 padding; }; }; /* for KVM_SET_SIGNAL_MASK */ struct kvm_signal_mask { __u32 len; __u8 sigset[0]; }; /* for KVM_TPR_ACCESS_REPORTING */ struct kvm_tpr_access_ctl { __u32 enabled; __u32 flags; __u32 reserved[8]; }; /* for KVM_SET_VAPIC_ADDR */ struct kvm_vapic_addr { __u64 vapic_addr; }; /* for KVM_SET_MPSTATE */ #define KVM_MP_STATE_RUNNABLE 0 #define KVM_MP_STATE_UNINITIALIZED 1 #define KVM_MP_STATE_INIT_RECEIVED 2 #define KVM_MP_STATE_HALTED 3 #define KVM_MP_STATE_SIPI_RECEIVED 4 struct kvm_mp_state { __u32 mp_state; }; struct kvm_s390_psw { __u64 mask; __u64 addr; }; /* valid values for type in kvm_s390_interrupt */ #define KVM_S390_SIGP_STOP 0xfffe0000u #define KVM_S390_PROGRAM_INT 0xfffe0001u #define KVM_S390_SIGP_SET_PREFIX 0xfffe0002u #define KVM_S390_RESTART 0xfffe0003u #define KVM_S390_INT_VIRTIO 0xffff2603u #define KVM_S390_INT_SERVICE 0xffff2401u #define KVM_S390_INT_EMERGENCY 0xffff1201u struct kvm_s390_interrupt { __u32 type; __u32 parm; __u64 parm64; }; /* for KVM_SET_GUEST_DEBUG */ #define KVM_GUESTDBG_ENABLE 0x00000001 #define KVM_GUESTDBG_SINGLESTEP 0x00000002 struct kvm_guest_debug { __u32 control; __u32 pad; struct kvm_guest_debug_arch arch; }; #define KVM_TRC_SHIFT 16 /* * kvm trace categories */ #define KVM_TRC_ENTRYEXIT (1 << KVM_TRC_SHIFT) #define KVM_TRC_HANDLER (1 << (KVM_TRC_SHIFT + 1)) /* only 12 bits */ /* * kvm trace action */ #define KVM_TRC_VMENTRY (KVM_TRC_ENTRYEXIT + 0x01) #define KVM_TRC_VMEXIT (KVM_TRC_ENTRYEXIT + 0x02) #define KVM_TRC_PAGE_FAULT (KVM_TRC_HANDLER + 0x01) #define KVM_TRC_HEAD_SIZE 12 #define KVM_TRC_CYCLE_SIZE 8 #define KVM_TRC_EXTRA_MAX 7 /* This structure represents a single trace buffer record. */ struct kvm_trace_rec { /* variable rec_val * is split into: * bits 0 - 27 -> event id * bits 28 -30 -> number of extra data args of size u32 * bits 31 -> binary indicator for if tsc is in record */ __u32 rec_val; __u32 pid; __u32 vcpu_id; union { struct { __u64 timestamp; __u32 extra_u32[KVM_TRC_EXTRA_MAX]; } __attribute__((packed)) timestamp; struct { __u32 extra_u32[KVM_TRC_EXTRA_MAX]; } notimestamp; } u; }; #define TRACE_REC_EVENT_ID(val) \ (0x0fffffff & (val)) #define TRACE_REC_NUM_DATA_ARGS(val) \ (0x70000000 & ((val) << 28)) #define TRACE_REC_TCS(val) \ (0x80000000 & ((val) << 31)) #define KVMIO 0xAE /* * ioctls for /dev/kvm fds: */ #define KVM_GET_API_VERSION _IO(KVMIO, 0x00) #define KVM_CREATE_VM _IO(KVMIO, 0x01) /* returns a VM fd */ #define KVM_GET_MSR_INDEX_LIST _IOWR(KVMIO, 0x02, struct kvm_msr_list) #define KVM_S390_ENABLE_SIE _IO(KVMIO, 0x06) /* * Check if a kvm extension is available. Argument is extension number, * return is 1 (yes) or 0 (no, sorry). */ #define KVM_CHECK_EXTENSION _IO(KVMIO, 0x03) /* * Get size for mmap(vcpu_fd) */ #define KVM_GET_VCPU_MMAP_SIZE _IO(KVMIO, 0x04) /* in bytes */ #define KVM_GET_SUPPORTED_CPUID _IOWR(KVMIO, 0x05, struct kvm_cpuid2) /* * ioctls for kvm trace */ #define KVM_TRACE_ENABLE _IOW(KVMIO, 0x06, struct kvm_user_trace_setup) #define KVM_TRACE_PAUSE _IO(KVMIO, 0x07) #define KVM_TRACE_DISABLE _IO(KVMIO, 0x08) /* * Extension capability list. */ #define KVM_CAP_IRQCHIP 0 #define KVM_CAP_HLT 1 #define KVM_CAP_MMU_SHADOW_CACHE_CONTROL 2 #define KVM_CAP_USER_MEMORY 3 #define KVM_CAP_SET_TSS_ADDR 4 #define KVM_CAP_VAPIC 6 #define KVM_CAP_EXT_CPUID 7 #define KVM_CAP_CLOCKSOURCE 8 #define KVM_CAP_NR_VCPUS 9 /* returns max vcpus per vm */ #define KVM_CAP_NR_MEMSLOTS 10 /* returns max memory slots per vm */ #define KVM_CAP_PIT 11 #define KVM_CAP_NOP_IO_DELAY 12 #define KVM_CAP_PV_MMU 13 #define KVM_CAP_MP_STATE 14 #define KVM_CAP_COALESCED_MMIO 15 #define KVM_CAP_SYNC_MMU 16 /* Changes to host mmap are reflected in guest */ #ifdef __KVM_HAVE_DEVICE_ASSIGNMENT #define KVM_CAP_DEVICE_ASSIGNMENT 17 #endif #define KVM_CAP_IOMMU 18 #ifdef __KVM_HAVE_MSI #define KVM_CAP_DEVICE_MSI 20 #endif /* Bug in KVM_SET_USER_MEMORY_REGION fixed: */ #define KVM_CAP_DESTROY_MEMORY_REGION_WORKS 21 #ifdef __KVM_HAVE_USER_NMI #define KVM_CAP_USER_NMI 22 #endif #ifdef __KVM_HAVE_GUEST_DEBUG #define KVM_CAP_SET_GUEST_DEBUG 23 #endif #ifdef __KVM_HAVE_PIT #define KVM_CAP_REINJECT_CONTROL 24 #endif #ifdef __KVM_HAVE_IOAPIC #define KVM_CAP_IRQ_ROUTING 25 #endif #define KVM_CAP_IRQ_INJECT_STATUS 26 #ifdef KVM_CAP_IRQ_ROUTING struct kvm_irq_routing_irqchip { __u32 irqchip; __u32 pin; }; struct kvm_irq_routing_msi { __u32 address_lo; __u32 address_hi; __u32 data; __u32 pad; }; /* gsi routing entry types */ #define KVM_IRQ_ROUTING_IRQCHIP 1 #define KVM_IRQ_ROUTING_MSI 2 struct kvm_irq_routing_entry { __u32 gsi; __u32 type; __u32 flags; __u32 pad; union { struct kvm_irq_routing_irqchip irqchip; struct kvm_irq_routing_msi msi; __u32 pad[8]; } u; }; struct kvm_irq_routing { __u32 nr; __u32 flags; struct kvm_irq_routing_entry entries[0]; }; #endif /* * ioctls for VM fds */ #define KVM_SET_MEMORY_REGION _IOW(KVMIO, 0x40, struct kvm_memory_region) #define KVM_SET_NR_MMU_PAGES _IO(KVMIO, 0x44) #define KVM_GET_NR_MMU_PAGES _IO(KVMIO, 0x45) #define KVM_SET_USER_MEMORY_REGION _IOW(KVMIO, 0x46,\ struct kvm_userspace_memory_region) #define KVM_SET_TSS_ADDR _IO(KVMIO, 0x47) /* * KVM_CREATE_VCPU receives as a parameter the vcpu slot, and returns * a vcpu fd. */ #define KVM_CREATE_VCPU _IO(KVMIO, 0x41) #define KVM_GET_DIRTY_LOG _IOW(KVMIO, 0x42, struct kvm_dirty_log) #define KVM_SET_MEMORY_ALIAS _IOW(KVMIO, 0x43, struct kvm_memory_alias) /* Device model IOC */ #define KVM_CREATE_IRQCHIP _IO(KVMIO, 0x60) #define KVM_IRQ_LINE _IOW(KVMIO, 0x61, struct kvm_irq_level) #define KVM_GET_IRQCHIP _IOWR(KVMIO, 0x62, struct kvm_irqchip) #define KVM_SET_IRQCHIP _IOR(KVMIO, 0x63, struct kvm_irqchip) #define KVM_CREATE_PIT _IO(KVMIO, 0x64) #define KVM_GET_PIT _IOWR(KVMIO, 0x65, struct kvm_pit_state) #define KVM_SET_PIT _IOR(KVMIO, 0x66, struct kvm_pit_state) #define KVM_IRQ_LINE_STATUS _IOWR(KVMIO, 0x67, struct kvm_irq_level) #define KVM_REGISTER_COALESCED_MMIO \ _IOW(KVMIO, 0x67, struct kvm_coalesced_mmio_zone) #define KVM_UNREGISTER_COALESCED_MMIO \ _IOW(KVMIO, 0x68, struct kvm_coalesced_mmio_zone) #define KVM_ASSIGN_PCI_DEVICE _IOR(KVMIO, 0x69, \ struct kvm_assigned_pci_dev) #define KVM_SET_GSI_ROUTING _IOW(KVMIO, 0x6a, struct kvm_irq_routing) #define KVM_ASSIGN_IRQ _IOR(KVMIO, 0x70, \ struct kvm_assigned_irq) #define KVM_REINJECT_CONTROL _IO(KVMIO, 0x71) /* * ioctls for vcpu fds */ #define KVM_RUN _IO(KVMIO, 0x80) #define KVM_GET_REGS _IOR(KVMIO, 0x81, struct kvm_regs) #define KVM_SET_REGS _IOW(KVMIO, 0x82, struct kvm_regs) #define KVM_GET_SREGS _IOR(KVMIO, 0x83, struct kvm_sregs) #define KVM_SET_SREGS _IOW(KVMIO, 0x84, struct kvm_sregs) #define KVM_TRANSLATE _IOWR(KVMIO, 0x85, struct kvm_translation) #define KVM_INTERRUPT _IOW(KVMIO, 0x86, struct kvm_interrupt) /* KVM_DEBUG_GUEST is no longer supported, use KVM_SET_GUEST_DEBUG instead */ #define KVM_DEBUG_GUEST __KVM_DEPRECATED_DEBUG_GUEST #define KVM_GET_MSRS _IOWR(KVMIO, 0x88, struct kvm_msrs) #define KVM_SET_MSRS _IOW(KVMIO, 0x89, struct kvm_msrs) #define KVM_SET_CPUID _IOW(KVMIO, 0x8a, struct kvm_cpuid) #define KVM_SET_SIGNAL_MASK _IOW(KVMIO, 0x8b, struct kvm_signal_mask) #define KVM_GET_FPU _IOR(KVMIO, 0x8c, struct kvm_fpu) #define KVM_SET_FPU _IOW(KVMIO, 0x8d, struct kvm_fpu) #define KVM_GET_LAPIC _IOR(KVMIO, 0x8e, struct kvm_lapic_state) #define KVM_SET_LAPIC _IOW(KVMIO, 0x8f, struct kvm_lapic_state) #define KVM_SET_CPUID2 _IOW(KVMIO, 0x90, struct kvm_cpuid2) #define KVM_GET_CPUID2 _IOWR(KVMIO, 0x91, struct kvm_cpuid2) /* Available with KVM_CAP_VAPIC */ #define KVM_TPR_ACCESS_REPORTING _IOWR(KVMIO, 0x92, struct kvm_tpr_access_ctl) /* Available with KVM_CAP_VAPIC */ #define KVM_SET_VAPIC_ADDR _IOW(KVMIO, 0x93, struct kvm_vapic_addr) /* valid for virtual machine (for floating interrupt)_and_ vcpu */ #define KVM_S390_INTERRUPT _IOW(KVMIO, 0x94, struct kvm_s390_interrupt) /* store status for s390 */ #define KVM_S390_STORE_STATUS_NOADDR (-1ul) #define KVM_S390_STORE_STATUS_PREFIXED (-2ul) #define KVM_S390_STORE_STATUS _IOW(KVMIO, 0x95, unsigned long) /* initial ipl psw for s390 */ #define KVM_S390_SET_INITIAL_PSW _IOW(KVMIO, 0x96, struct kvm_s390_psw) /* initial reset for s390 */ #define KVM_S390_INITIAL_RESET _IO(KVMIO, 0x97) #define KVM_GET_MP_STATE _IOR(KVMIO, 0x98, struct kvm_mp_state) #define KVM_SET_MP_STATE _IOW(KVMIO, 0x99, struct kvm_mp_state) /* Available with KVM_CAP_NMI */ #define KVM_NMI _IO(KVMIO, 0x9a) /* Available with KVM_CAP_SET_GUEST_DEBUG */ #define KVM_SET_GUEST_DEBUG _IOW(KVMIO, 0x9b, struct kvm_guest_debug) /* * Deprecated interfaces */ struct kvm_breakpoint { __u32 enabled; __u32 padding; __u64 address; }; struct kvm_debug_guest { __u32 enabled; __u32 pad; struct kvm_breakpoint breakpoints[4]; __u32 singlestep; }; #define __KVM_DEPRECATED_DEBUG_GUEST _IOW(KVMIO, 0x87, struct kvm_debug_guest) #define KVM_IA64_VCPU_GET_STACK _IOR(KVMIO, 0x9a, void *) #define KVM_IA64_VCPU_SET_STACK _IOW(KVMIO, 0x9b, void *) #define KVM_TRC_INJ_VIRQ (KVM_TRC_HANDLER + 0x02) #define KVM_TRC_REDELIVER_EVT (KVM_TRC_HANDLER + 0x03) #define KVM_TRC_PEND_INTR (KVM_TRC_HANDLER + 0x04) #define KVM_TRC_IO_READ (KVM_TRC_HANDLER + 0x05) #define KVM_TRC_IO_WRITE (KVM_TRC_HANDLER + 0x06) #define KVM_TRC_CR_READ (KVM_TRC_HANDLER + 0x07) #define KVM_TRC_CR_WRITE (KVM_TRC_HANDLER + 0x08) #define KVM_TRC_DR_READ (KVM_TRC_HANDLER + 0x09) #define KVM_TRC_DR_WRITE (KVM_TRC_HANDLER + 0x0A) #define KVM_TRC_MSR_READ (KVM_TRC_HANDLER + 0x0B) #define KVM_TRC_MSR_WRITE (KVM_TRC_HANDLER + 0x0C) #define KVM_TRC_CPUID (KVM_TRC_HANDLER + 0x0D) #define KVM_TRC_INTR (KVM_TRC_HANDLER + 0x0E) #define KVM_TRC_NMI (KVM_TRC_HANDLER + 0x0F) #define KVM_TRC_VMMCALL (KVM_TRC_HANDLER + 0x10) #define KVM_TRC_HLT (KVM_TRC_HANDLER + 0x11) #define KVM_TRC_CLTS (KVM_TRC_HANDLER + 0x12) #define KVM_TRC_LMSW (KVM_TRC_HANDLER + 0x13) #define KVM_TRC_APIC_ACCESS (KVM_TRC_HANDLER + 0x14) #define KVM_TRC_TDP_FAULT (KVM_TRC_HANDLER + 0x15) #define KVM_TRC_GTLB_WRITE (KVM_TRC_HANDLER + 0x16) #define KVM_TRC_STLB_WRITE (KVM_TRC_HANDLER + 0x17) #define KVM_TRC_STLB_INVAL (KVM_TRC_HANDLER + 0x18) #define KVM_TRC_PPC_INSTR (KVM_TRC_HANDLER + 0x19) struct kvm_assigned_pci_dev { __u32 assigned_dev_id; __u32 busnr; __u32 devfn; __u32 flags; union { __u32 reserved[12]; }; }; struct kvm_assigned_irq { __u32 assigned_dev_id; __u32 host_irq; __u32 guest_irq; __u32 flags; union { struct { __u32 addr_lo; __u32 addr_hi; __u32 data; } guest_msi; __u32 reserved[12]; }; }; #define KVM_DEV_ASSIGN_ENABLE_IOMMU (1 << 0) #define KVM_DEV_IRQ_ASSIGN_MSI_ACTION KVM_DEV_IRQ_ASSIGN_ENABLE_MSI #define KVM_DEV_IRQ_ASSIGN_ENABLE_MSI (1 << 0) #endif