| #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 <asm/types.h> |
| #include <linux/ioctl.h> |
| #include <asm/kvm.h> |
| |
| #define KVM_API_VERSION 12 |
| |
| /* 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 CONFIG_X86 |
| struct kvm_pic_state pic; |
| #endif |
| #if defined(CONFIG_X86) || defined(CONFIG_IA64) |
| 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 |
| |
| /* 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; |
| /* Fix the size of the union. */ |
| char padding[256]; |
| }; |
| }; |
| |
| /* 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; |
| }; |
| |
| #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) |
| /* |
| * 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) |
| |
| /* |
| * 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 |
| |
| /* |
| * 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) |
| |
| /* |
| * 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) |
| |
| #endif |