KVM: Intelligent device lookup on I/O bus

[pandora-kernel.git] / include / linux / kvm_host.h

diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h
index ff4d406..d0e42f3 100644 (file)
--- a/include/linux/kvm_host.h
+++ b/include/linux/kvm_host.h
@@ -55,16 +55,16 @@ struct kvm;
 struct kvm_vcpu;
 extern struct kmem_cache *kvm_vcpu_cache;
 
-/*
- * It would be nice to use something smarter than a linear search, TBD...
- * Thankfully we dont expect many devices to register (famous last words :),
- * so until then it will suffice.  At least its abstracted so we can change
- * in one place.
- */
+struct kvm_io_range {
+       gpa_t addr;
+       int len;
+       struct kvm_io_device *dev;
+};
+
 struct kvm_io_bus {
        int                   dev_count;
 #define NR_IOBUS_DEVS 300
-       struct kvm_io_device *devs[NR_IOBUS_DEVS];
+       struct kvm_io_range range[NR_IOBUS_DEVS];
 };
 
 enum kvm_bus {
@@ -77,8 +77,8 @@ int kvm_io_bus_write(struct kvm *kvm, enum kvm_bus bus_idx, gpa_t addr,
                     int len, const void *val);
 int kvm_io_bus_read(struct kvm *kvm, enum kvm_bus bus_idx, gpa_t addr, int len,
                    void *val);
-int kvm_io_bus_register_dev(struct kvm *kvm, enum kvm_bus bus_idx,
-                           struct kvm_io_device *dev);
+int kvm_io_bus_register_dev(struct kvm *kvm, enum kvm_bus bus_idx, gpa_t addr,
+                           int len, struct kvm_io_device *dev);
 int kvm_io_bus_unregister_dev(struct kvm *kvm, enum kvm_bus bus_idx,
                              struct kvm_io_device *dev);