string: factorize skip_spaces and export it to be generally available

[safe/jmp/linux-2.6] / include / linux / kvm_host.h

diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h
index 0604d56..bd5a616 100644 (file)
--- a/include/linux/kvm_host.h
+++ b/include/linux/kvm_host.h
@@ -15,7 +15,6 @@
 #include <linux/sched.h>
 #include <linux/mm.h>
 #include <linux/preempt.h>
-#include <linux/marker.h>
 #include <linux/msi.h>
 #include <asm/signal.h>
 
@@ -42,6 +41,7 @@
 
 #define KVM_USERSPACE_IRQ_SOURCE_ID    0
 
+struct kvm;
 struct kvm_vcpu;
 extern struct kmem_cache *kvm_vcpu_cache;
 
@@ -59,10 +59,18 @@ 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;
@@ -112,7 +120,7 @@ struct kvm_kernel_irq_routing_entry {
        u32 gsi;
        u32 type;
        int (*set)(struct kvm_kernel_irq_routing_entry *e,
-                   struct kvm *kvm, int level);
+                  struct kvm *kvm, int irq_source_id, int level);
        union {
                struct {
                        unsigned irqchip;
@@ -120,9 +128,28 @@ struct kvm_kernel_irq_routing_entry {
                } irqchip;
                struct msi_msg msi;
        };
-       struct list_head link;
+       struct hlist_node link;
 };
 
+#ifdef __KVM_HAVE_IOAPIC
+
+struct kvm_irq_routing_table {
+       int chip[KVM_NR_IRQCHIPS][KVM_IOAPIC_NUM_PINS];
+       struct kvm_kernel_irq_routing_entry *rt_entries;
+       u32 nr_rt_entries;
+       /*
+        * Array indexed by gsi. Each entry contains list of irq chips
+        * the gsi is connected to.
+        */
+       struct hlist_head map[0];
+};
+
+#else
+
+struct kvm_irq_routing_table {};
+
+#endif
+
 struct kvm {
        spinlock_t mmu_lock;
        spinlock_t requests_lock;
@@ -146,6 +173,7 @@ struct kvm {
                spinlock_t        lock;
                struct list_head  items;
        } irqfds;
+       struct list_head ioeventfds;
 #endif
        struct kvm_vm_stat stat;
        struct kvm_arch arch;
@@ -157,8 +185,9 @@ struct kvm {
 
        struct mutex irq_lock;
 #ifdef CONFIG_HAVE_KVM_IRQCHIP
-       struct list_head irq_routing; /* of kvm_kernel_irq_routing_entry */
+       struct kvm_irq_routing_table *irq_routing;
        struct hlist_head mask_notifier_list;
+       struct hlist_head irq_ack_notifier_list;
 #endif
 
 #ifdef KVM_ARCH_WANT_MMU_NOTIFIER
@@ -257,6 +286,7 @@ int kvm_is_visible_gfn(struct kvm *kvm, gfn_t gfn);
 void mark_page_dirty(struct kvm *kvm, gfn_t gfn);
 
 void kvm_vcpu_block(struct kvm_vcpu *vcpu);
+void kvm_vcpu_on_spin(struct kvm_vcpu *vcpu);
 void kvm_resched(struct kvm_vcpu *vcpu);
 void kvm_load_guest_fpu(struct kvm_vcpu *vcpu);
 void kvm_put_guest_fpu(struct kvm_vcpu *vcpu);
@@ -316,13 +346,12 @@ int kvm_arch_vcpu_setup(struct kvm_vcpu *vcpu);
 void kvm_arch_vcpu_destroy(struct kvm_vcpu *vcpu);
 
 int kvm_arch_vcpu_reset(struct kvm_vcpu *vcpu);
-void kvm_arch_hardware_enable(void *garbage);
+int kvm_arch_hardware_enable(void *garbage);
 void kvm_arch_hardware_disable(void *garbage);
 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);
 
@@ -331,8 +360,6 @@ 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);
 
@@ -384,7 +411,12 @@ void kvm_unregister_irq_mask_notifier(struct kvm *kvm, int irq,
                                      struct kvm_irq_mask_notifier *kimn);
 void kvm_fire_mask_notifiers(struct kvm *kvm, int irq, bool mask);
 
-int kvm_set_irq(struct kvm *kvm, int irq_source_id, int irq, int level);
+#ifdef __KVM_HAVE_IOAPIC
+void kvm_get_intr_delivery_bitmask(struct kvm_ioapic *ioapic,
+                                  union kvm_ioapic_redirect_entry *entry,
+                                  unsigned long *deliver_bitmask);
+#endif
+int kvm_set_irq(struct kvm *kvm, int irq_source_id, u32 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);
@@ -519,26 +551,48 @@ static inline void kvm_free_irq_routing(struct kvm *kvm) {}
 
 #ifdef CONFIG_HAVE_KVM_EVENTFD
 
-void kvm_irqfd_init(struct kvm *kvm);
+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_irqfd_init(struct kvm *kvm) {}
+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 == vcpu;
+       return vcpu->kvm->bsp_vcpu_id == vcpu->vcpu_id;
+}
+#endif
+
+#ifdef __KVM_HAVE_DEVICE_ASSIGNMENT
+
+long kvm_vm_ioctl_assigned_device(struct kvm *kvm, unsigned ioctl,
+                                 unsigned long arg);
+
+#else
+
+static inline long kvm_vm_ioctl_assigned_device(struct kvm *kvm, unsigned ioctl,
+                                               unsigned long arg)
+{
+       return -ENOTTY;
 }
+
 #endif
+
 #endif
+