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I2O_MSG_OUT_TO_VIRT(9) Message-based devices I2O_MSG_OUT_TO_VIRT(9)
NAME
i2o_msg_out_to_virt - Turn an I2O message to a virtual address
SYNOPSIS
struct i2o_message * i2o_msg_out_to_virt(struct i2o_controller * c,
u32 m);
ARGUMENTS
c
controller
m
message engine value
DESCRIPTION
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.
COPYRIGHT
Kernel Hackers Manual 2.6. November 2013 I2O_MSG_OUT_TO_VIRT(9)
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