Turn an i2o message to a virtual address
struct i2o_message * i2o_msg_out_to_virt(struct i2o_controller * c, u32 m);
c
controller
m
message engine value
Turn a receive message from an I2O controller bus address into a Linux virtual address. The shared page frame is a linear block so we simply have to shift the offset. This function does not work for sender side messages as they are ioremap objects provided by the I2O controller.