diff options
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/Kbuild | 4 | ||||
| -rw-r--r-- | include/linux/kvm.h | 127 | ||||
| -rw-r--r-- | include/linux/kvm_host.h | 114 | ||||
| -rw-r--r-- | include/linux/kvm_para.h | 1 |
4 files changed, 167 insertions, 79 deletions
diff --git a/include/linux/Kbuild b/include/linux/Kbuild index 334a3593cdf..cff4a101f26 100644 --- a/include/linux/Kbuild +++ b/include/linux/Kbuild @@ -268,6 +268,10 @@ ifneq ($(wildcard $(srctree)/arch/$(SRCARCH)/include/asm/kvm.h \ $(srctree)/include/asm-$(SRCARCH)/kvm.h),) unifdef-y += kvm.h endif +ifneq ($(wildcard $(srctree)/arch/$(SRCARCH)/include/asm/kvm_para.h \ + $(srctree)/include/asm-$(SRCARCH)/kvm_para.h),) +unifdef-y += kvm_para.h +endif unifdef-y += llc.h unifdef-y += loop.h unifdef-y += lp.h diff --git a/include/linux/kvm.h b/include/linux/kvm.h index 3db5d8d3748..f8f8900fc5e 100644 --- a/include/linux/kvm.h +++ b/include/linux/kvm.h @@ -14,7 +14,7 @@ #define KVM_API_VERSION 12 -/* for KVM_TRACE_ENABLE */ +/* for KVM_TRACE_ENABLE, deprecated */ 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 */ @@ -70,6 +70,14 @@ struct kvm_irqchip { } chip; }; +/* for KVM_CREATE_PIT2 */ +struct kvm_pit_config { + __u32 flags; + __u32 pad[15]; +}; + +#define KVM_PIT_SPEAKER_DUMMY 1 + #define KVM_EXIT_UNKNOWN 0 #define KVM_EXIT_EXCEPTION 1 #define KVM_EXIT_IO 2 @@ -87,6 +95,10 @@ struct kvm_irqchip { #define KVM_EXIT_S390_RESET 14 #define KVM_EXIT_DCR 15 #define KVM_EXIT_NMI 16 +#define KVM_EXIT_INTERNAL_ERROR 17 + +/* For KVM_EXIT_INTERNAL_ERROR */ +#define KVM_INTERNAL_ERROR_EMULATION 1 /* for KVM_RUN, returned by mmap(vcpu_fd, offset=0) */ struct kvm_run { @@ -173,6 +185,9 @@ struct kvm_run { __u32 data; __u8 is_write; } dcr; + struct { + __u32 suberror; + } internal; /* Fix the size of the union. */ char padding[256]; }; @@ -292,6 +307,28 @@ struct kvm_guest_debug { struct kvm_guest_debug_arch arch; }; +enum { + kvm_ioeventfd_flag_nr_datamatch, + kvm_ioeventfd_flag_nr_pio, + kvm_ioeventfd_flag_nr_deassign, + kvm_ioeventfd_flag_nr_max, +}; + +#define KVM_IOEVENTFD_FLAG_DATAMATCH (1 << kvm_ioeventfd_flag_nr_datamatch) +#define KVM_IOEVENTFD_FLAG_PIO (1 << kvm_ioeventfd_flag_nr_pio) +#define KVM_IOEVENTFD_FLAG_DEASSIGN (1 << kvm_ioeventfd_flag_nr_deassign) + +#define KVM_IOEVENTFD_VALID_FLAG_MASK ((1 << kvm_ioeventfd_flag_nr_max) - 1) + +struct kvm_ioeventfd { + __u64 datamatch; + __u64 addr; /* legal pio/mmio address */ + __u32 len; /* 1, 2, 4, or 8 bytes */ + __s32 fd; + __u32 flags; + __u8 pad[36]; +}; + #define KVM_TRC_SHIFT 16 /* * kvm trace categories @@ -310,35 +347,6 @@ struct kvm_guest_debug { #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 /* @@ -415,6 +423,19 @@ struct kvm_trace_rec { #define KVM_CAP_ASSIGN_DEV_IRQ 29 /* Another bug in KVM_SET_USER_MEMORY_REGION fixed: */ #define KVM_CAP_JOIN_MEMORY_REGIONS_WORKS 30 +#ifdef __KVM_HAVE_MCE +#define KVM_CAP_MCE 31 +#endif +#define KVM_CAP_IRQFD 32 +#ifdef __KVM_HAVE_PIT +#define KVM_CAP_PIT2 33 +#endif +#define KVM_CAP_SET_BOOT_CPU_ID 34 +#ifdef __KVM_HAVE_PIT_STATE2 +#define KVM_CAP_PIT_STATE2 35 +#endif +#define KVM_CAP_IOEVENTFD 36 +#define KVM_CAP_SET_IDENTITY_MAP_ADDR 37 #ifdef KVM_CAP_IRQ_ROUTING @@ -454,15 +475,32 @@ struct kvm_irq_routing { #endif +#ifdef KVM_CAP_MCE +/* x86 MCE */ +struct kvm_x86_mce { + __u64 status; + __u64 addr; + __u64 misc; + __u64 mcg_status; + __u8 bank; + __u8 pad1[7]; + __u64 pad2[3]; +}; +#endif + +#define KVM_IRQFD_FLAG_DEASSIGN (1 << 0) + +struct kvm_irqfd { + __u32 fd; + __u32 gsi; + __u32 flags; + __u8 pad[20]; +}; + /* * 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. @@ -470,6 +508,12 @@ struct kvm_irq_routing { #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) +#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) +#define KVM_SET_IDENTITY_MAP_ADDR _IOW(KVMIO, 0x48, __u64) /* Device model IOC */ #define KVM_CREATE_IRQCHIP _IO(KVMIO, 0x60) #define KVM_IRQ_LINE _IOW(KVMIO, 0x61, struct kvm_irq_level) @@ -498,6 +542,10 @@ struct kvm_irq_routing { #define KVM_ASSIGN_SET_MSIX_ENTRY \ _IOW(KVMIO, 0x74, struct kvm_assigned_msix_entry) #define KVM_DEASSIGN_DEV_IRQ _IOW(KVMIO, 0x75, struct kvm_assigned_irq) +#define KVM_IRQFD _IOW(KVMIO, 0x76, struct kvm_irqfd) +#define KVM_CREATE_PIT2 _IOW(KVMIO, 0x77, struct kvm_pit_config) +#define KVM_SET_BOOT_CPU_ID _IO(KVMIO, 0x78) +#define KVM_IOEVENTFD _IOW(KVMIO, 0x79, struct kvm_ioeventfd) /* * ioctls for vcpu fds @@ -541,6 +589,10 @@ struct kvm_irq_routing { #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) +/* MCE for x86 */ +#define KVM_X86_SETUP_MCE _IOW(KVMIO, 0x9c, __u64) +#define KVM_X86_GET_MCE_CAP_SUPPORTED _IOR(KVMIO, 0x9d, __u64) +#define KVM_X86_SET_MCE _IOW(KVMIO, 0x9e, struct kvm_x86_mce) /* * Deprecated interfaces @@ -563,6 +615,9 @@ 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_GET_PIT2 _IOR(KVMIO, 0x9f, struct kvm_pit_state2) +#define KVM_SET_PIT2 _IOW(KVMIO, 0xa0, struct kvm_pit_state2) + #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) @@ -633,7 +688,7 @@ struct kvm_assigned_msix_nr { __u16 padding; }; -#define KVM_MAX_MSIX_PER_DEV 512 +#define KVM_MAX_MSIX_PER_DEV 256 struct kvm_assigned_msix_entry { __u32 assigned_dev_id; __u32 gsi; diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h index 3060bdc35ff..4af56036a6b 100644 --- a/include/linux/kvm_host.h +++ b/include/linux/kvm_host.h @@ -42,6 +42,7 @@ #define KVM_USERSPACE_IRQ_SOURCE_ID 0 +struct kvm; struct kvm_vcpu; extern struct kmem_cache *kvm_vcpu_cache; @@ -59,10 +60,18 @@ struct kvm_io_bus { void kvm_io_bus_init(struct kvm_io_bus *bus); void kvm_io_bus_destroy(struct kvm_io_bus *bus); -struct kvm_io_device *kvm_io_bus_find_dev(struct kvm_io_bus *bus, - gpa_t addr, int len, int is_write); -void kvm_io_bus_register_dev(struct kvm_io_bus *bus, - struct kvm_io_device *dev); +int kvm_io_bus_write(struct kvm_io_bus *bus, gpa_t addr, int len, + const void *val); +int kvm_io_bus_read(struct kvm_io_bus *bus, gpa_t addr, int len, + void *val); +int __kvm_io_bus_register_dev(struct kvm_io_bus *bus, + struct kvm_io_device *dev); +int kvm_io_bus_register_dev(struct kvm *kvm, struct kvm_io_bus *bus, + struct kvm_io_device *dev); +void __kvm_io_bus_unregister_dev(struct kvm_io_bus *bus, + struct kvm_io_device *dev); +void kvm_io_bus_unregister_dev(struct kvm *kvm, struct kvm_io_bus *bus, + struct kvm_io_device *dev); struct kvm_vcpu { struct kvm *kvm; @@ -103,7 +112,7 @@ struct kvm_memory_slot { struct { unsigned long rmap_pde; int write_count; - } *lpage_info; + } *lpage_info[KVM_NR_PAGE_SIZES - 1]; unsigned long userspace_addr; int user_alloc; }; @@ -124,7 +133,6 @@ struct kvm_kernel_irq_routing_entry { }; struct kvm { - struct mutex lock; /* protects the vcpus array and APIC accesses */ spinlock_t mmu_lock; spinlock_t requests_lock; struct rw_semaphore slots_lock; @@ -132,10 +140,23 @@ struct kvm { int nmemslots; struct kvm_memory_slot memslots[KVM_MEMORY_SLOTS + KVM_PRIVATE_MEM_SLOTS]; +#ifdef CONFIG_KVM_APIC_ARCHITECTURE + u32 bsp_vcpu_id; + struct kvm_vcpu *bsp_vcpu; +#endif struct kvm_vcpu *vcpus[KVM_MAX_VCPUS]; + atomic_t online_vcpus; struct list_head vm_list; + struct mutex lock; struct kvm_io_bus mmio_bus; struct kvm_io_bus pio_bus; +#ifdef CONFIG_HAVE_KVM_EVENTFD + struct { + spinlock_t lock; + struct list_head items; + } irqfds; + struct list_head ioeventfds; +#endif struct kvm_vm_stat stat; struct kvm_arch arch; atomic_t users_count; @@ -144,6 +165,7 @@ struct kvm { struct kvm_coalesced_mmio_ring *coalesced_mmio_ring; #endif + struct mutex irq_lock; #ifdef CONFIG_HAVE_KVM_IRQCHIP struct list_head irq_routing; /* of kvm_kernel_irq_routing_entry */ struct hlist_head mask_notifier_list; @@ -167,6 +189,17 @@ struct kvm { #define kvm_printf(kvm, fmt ...) printk(KERN_DEBUG fmt) #define vcpu_printf(vcpu, fmt...) kvm_printf(vcpu->kvm, fmt) +static inline struct kvm_vcpu *kvm_get_vcpu(struct kvm *kvm, int i) +{ + smp_rmb(); + return kvm->vcpus[i]; +} + +#define kvm_for_each_vcpu(idx, vcpup, kvm) \ + for (idx = 0, vcpup = kvm_get_vcpu(kvm, idx); \ + idx < atomic_read(&kvm->online_vcpus) && vcpup; \ + vcpup = kvm_get_vcpu(kvm, ++idx)) + int kvm_vcpu_init(struct kvm_vcpu *vcpu, struct kvm *kvm, unsigned id); void kvm_vcpu_uninit(struct kvm_vcpu *vcpu); @@ -201,6 +234,7 @@ int kvm_arch_set_memory_region(struct kvm *kvm, struct kvm_userspace_memory_region *mem, struct kvm_memory_slot old, int user_alloc); +void kvm_disable_largepages(void); void kvm_arch_flush_shadow(struct kvm *kvm); gfn_t unalias_gfn(struct kvm *kvm, gfn_t gfn); struct page *gfn_to_page(struct kvm *kvm, gfn_t gfn); @@ -243,8 +277,6 @@ long kvm_arch_dev_ioctl(struct file *filp, unsigned int ioctl, unsigned long arg); long kvm_arch_vcpu_ioctl(struct file *filp, unsigned int ioctl, unsigned long arg); -void kvm_arch_vcpu_load(struct kvm_vcpu *vcpu, int cpu); -void kvm_arch_vcpu_put(struct kvm_vcpu *vcpu); int kvm_dev_ioctl_check_extension(long ext); @@ -300,7 +332,6 @@ int kvm_arch_hardware_setup(void); void kvm_arch_hardware_unsetup(void); void kvm_arch_check_processor_compat(void *rtn); int kvm_arch_vcpu_runnable(struct kvm_vcpu *vcpu); -int kvm_arch_interrupt_allowed(struct kvm_vcpu *vcpu); void kvm_free_physmem(struct kvm *kvm); @@ -309,8 +340,6 @@ void kvm_arch_destroy_vm(struct kvm *kvm); void kvm_free_all_assigned_devices(struct kvm *kvm); void kvm_arch_sync_events(struct kvm *kvm); -int kvm_cpu_get_interrupt(struct kvm_vcpu *v); -int kvm_cpu_has_interrupt(struct kvm_vcpu *v); int kvm_cpu_has_pending_timer(struct kvm_vcpu *vcpu); void kvm_vcpu_kick(struct kvm_vcpu *vcpu); @@ -366,7 +395,8 @@ int kvm_set_irq(struct kvm *kvm, int irq_source_id, int irq, int level); void kvm_notify_acked_irq(struct kvm *kvm, unsigned irqchip, unsigned pin); void kvm_register_irq_ack_notifier(struct kvm *kvm, struct kvm_irq_ack_notifier *kian); -void kvm_unregister_irq_ack_notifier(struct kvm_irq_ack_notifier *kian); +void kvm_unregister_irq_ack_notifier(struct kvm *kvm, + struct kvm_irq_ack_notifier *kian); int kvm_request_irq_source_id(struct kvm *kvm); void kvm_free_irq_source_id(struct kvm *kvm, int irq_source_id); @@ -459,37 +489,6 @@ struct kvm_stats_debugfs_item { extern struct kvm_stats_debugfs_item debugfs_entries[]; extern struct dentry *kvm_debugfs_dir; -#define KVMTRACE_5D(evt, vcpu, d1, d2, d3, d4, d5, name) \ - trace_mark(kvm_trace_##name, "%u %p %u %u %u %u %u %u", KVM_TRC_##evt, \ - vcpu, 5, d1, d2, d3, d4, d5) -#define KVMTRACE_4D(evt, vcpu, d1, d2, d3, d4, name) \ - trace_mark(kvm_trace_##name, "%u %p %u %u %u %u %u %u", KVM_TRC_##evt, \ - vcpu, 4, d1, d2, d3, d4, 0) -#define KVMTRACE_3D(evt, vcpu, d1, d2, d3, name) \ - trace_mark(kvm_trace_##name, "%u %p %u %u %u %u %u %u", KVM_TRC_##evt, \ - vcpu, 3, d1, d2, d3, 0, 0) -#define KVMTRACE_2D(evt, vcpu, d1, d2, name) \ - trace_mark(kvm_trace_##name, "%u %p %u %u %u %u %u %u", KVM_TRC_##evt, \ - vcpu, 2, d1, d2, 0, 0, 0) -#define KVMTRACE_1D(evt, vcpu, d1, name) \ - trace_mark(kvm_trace_##name, "%u %p %u %u %u %u %u %u", KVM_TRC_##evt, \ - vcpu, 1, d1, 0, 0, 0, 0) -#define KVMTRACE_0D(evt, vcpu, name) \ - trace_mark(kvm_trace_##name, "%u %p %u %u %u %u %u %u", KVM_TRC_##evt, \ - vcpu, 0, 0, 0, 0, 0, 0) - -#ifdef CONFIG_KVM_TRACE -int kvm_trace_ioctl(unsigned int ioctl, unsigned long arg); -void kvm_trace_cleanup(void); -#else -static inline -int kvm_trace_ioctl(unsigned int ioctl, unsigned long arg) -{ - return -EINVAL; -} -#define kvm_trace_cleanup() ((void)0) -#endif - #ifdef KVM_ARCH_WANT_MMU_NOTIFIER static inline int mmu_notifier_retry(struct kvm_vcpu *vcpu, unsigned long mmu_seq) { @@ -525,4 +524,33 @@ static inline void kvm_free_irq_routing(struct kvm *kvm) {} #endif +#ifdef CONFIG_HAVE_KVM_EVENTFD + +void kvm_eventfd_init(struct kvm *kvm); +int kvm_irqfd(struct kvm *kvm, int fd, int gsi, int flags); +void kvm_irqfd_release(struct kvm *kvm); +int kvm_ioeventfd(struct kvm *kvm, struct kvm_ioeventfd *args); + +#else + +static inline void kvm_eventfd_init(struct kvm *kvm) {} +static inline int kvm_irqfd(struct kvm *kvm, int fd, int gsi, int flags) +{ + return -EINVAL; +} + +static inline void kvm_irqfd_release(struct kvm *kvm) {} +static inline int kvm_ioeventfd(struct kvm *kvm, struct kvm_ioeventfd *args) +{ + return -ENOSYS; +} + +#endif /* CONFIG_HAVE_KVM_EVENTFD */ + +#ifdef CONFIG_KVM_APIC_ARCHITECTURE +static inline bool kvm_vcpu_is_bsp(struct kvm_vcpu *vcpu) +{ + return vcpu->kvm->bsp_vcpu_id == vcpu->vcpu_id; +} +#endif #endif diff --git a/include/linux/kvm_para.h b/include/linux/kvm_para.h index 3ddce03766c..d73109243fd 100644 --- a/include/linux/kvm_para.h +++ b/include/linux/kvm_para.h @@ -13,6 +13,7 @@ #define KVM_ENOSYS 1000 #define KVM_EFAULT EFAULT #define KVM_E2BIG E2BIG +#define KVM_EPERM EPERM #define KVM_HC_VAPIC_POLL_IRQ 1 #define KVM_HC_MMU_OP 2 |