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- wheezy 3.2.78-1
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 addressSYNOPSIS¶
struct
i2o_message *
i2o_msg_out_to_virt(struct i2o_controller * c,
u32 m);
ARGUMENTS¶
ccontroller
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¶
March 2016 | Kernel Hackers Manual 3.2. |