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Diffstat (limited to 'virt/kvm/kvm_main.c')
-rw-r--r--virt/kvm/kvm_main.c26
1 files changed, 16 insertions, 10 deletions
diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c
index 0edc366ecf89..594606526620 100644
--- a/virt/kvm/kvm_main.c
+++ b/virt/kvm/kvm_main.c
@@ -2512,19 +2512,25 @@ 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)
+/* kvm_io_bus_write - called under kvm->slots_lock */
+int kvm_io_bus_write(struct kvm_io_bus *bus, gpa_t addr,
+ int len, const void *val)
{
int i;
+ for (i = 0; i < bus->dev_count; i++)
+ if (!kvm_iodevice_write(bus->devs[i], addr, len, val))
+ return 0;
+ return -EOPNOTSUPP;
+}
- for (i = 0; i < bus->dev_count; i++) {
- struct kvm_io_device *pos = bus->devs[i];
-
- if (kvm_iodevice_in_range(pos, addr, len, is_write))
- return pos;
- }
-
- return NULL;
+/* kvm_io_bus_read - called under kvm->slots_lock */
+int kvm_io_bus_read(struct kvm_io_bus *bus, gpa_t addr, int len, void *val)
+{
+ int i;
+ for (i = 0; i < bus->dev_count; i++)
+ if (!kvm_iodevice_read(bus->devs[i], addr, len, val))
+ return 0;
+ return -EOPNOTSUPP;
}
void kvm_io_bus_register_dev(struct kvm *kvm, struct kvm_io_bus *bus,