| #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 <linux/types.h> |
| #include <linux/compiler.h> |
| #include <linux/ioctl.h> |
| #include <asm/kvm.h> |
| |
| #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.. |
| */ |
| __u32 irq; |
| __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 { |
| } 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; |
| }; |
| |
| struct kvm_breakpoint { |
| __u32 enabled; |
| __u32 padding; |
| __u64 address; |
| }; |
| |
| /* for KVM_DEBUG_GUEST */ |
| struct kvm_debug_guest { |
| /* int */ |
| __u32 enabled; |
| __u32 pad; |
| struct kvm_breakpoint breakpoints[4]; |
| __u32 singlestep; |
| }; |
| |
| /* 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; |
| }; |
| |
| #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 |
| |
| /* |
| * 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_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_ASSIGN_IRQ _IOR(KVMIO, 0x70, \ |
| struct kvm_assigned_irq) |
| |
| /* |
| * 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) |
| #define KVM_DEBUG_GUEST _IOW(KVMIO, 0x87, struct kvm_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) |
| |
| #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_ENABLE_MSI (1 << 0) |
| |
| #endif |