table of contents
| I2O_BLOCK_TRANSFER(9) | Message-based devices | I2O_BLOCK_TRANSFER(9) |
NAME¶
i2o_block_transfer - Transfer a request to/from the I2O controller
SYNOPSIS¶
int i2o_block_transfer(struct request * req);
ARGUMENTS¶
req
the request which should be transfered
DESCRIPTION¶
This function converts the request into a I2O message. The necessary DMA buffers are allocated and after everything is setup post the message to the I2O controller. No cleanup is done by this function. It is done on the interrupt side when the reply arrives.
Return 0 on success or negative error code on failure.
COPYRIGHT¶
| May 2024 | Kernel Hackers Manual 2.6. |