From e93f8a0f821e290ac5149830110a5f704db7a1fc Mon Sep 17 00:00:00 2001 From: Marcelo Tosatti Date: Wed, 23 Dec 2009 14:35:24 -0200 Subject: KVM: convert io_bus to SRCU Signed-off-by: Marcelo Tosatti --- include/linux/kvm_host.h | 27 +++++++++++++-------------- 1 file changed, 13 insertions(+), 14 deletions(-) (limited to 'include/linux') diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h index 20941c0f404..5e9cb902550 100644 --- a/include/linux/kvm_host.h +++ b/include/linux/kvm_host.h @@ -57,20 +57,20 @@ struct kvm_io_bus { struct kvm_io_device *devs[NR_IOBUS_DEVS]; }; -void kvm_io_bus_init(struct kvm_io_bus *bus); -void kvm_io_bus_destroy(struct kvm_io_bus *bus); -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, +enum kvm_bus { + KVM_MMIO_BUS, + KVM_PIO_BUS, + KVM_NR_BUSES +}; + +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_io_bus *bus, - struct kvm_io_device *dev); -int kvm_io_bus_register_dev(struct kvm *kvm, struct kvm_io_bus *bus, +int kvm_io_bus_register_dev(struct kvm *kvm, enum kvm_bus bus_idx, 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); +int kvm_io_bus_unregister_dev(struct kvm *kvm, enum kvm_bus bus_idx, + struct kvm_io_device *dev); struct kvm_vcpu { struct kvm *kvm; @@ -171,8 +171,7 @@ struct kvm { atomic_t online_vcpus; struct list_head vm_list; struct mutex lock; - struct kvm_io_bus mmio_bus; - struct kvm_io_bus pio_bus; + struct kvm_io_bus *buses[KVM_NR_BUSES]; #ifdef CONFIG_HAVE_KVM_EVENTFD struct { spinlock_t lock; -- cgit v1.2.3