Driver to Driver Communication

[Jayasheela Bhat]

Hi All,

Could anybody help me to know how a driver to driver communication is done in FreeBSD ? 
My exact problem is something like this. In the current implementation of scsi_target mode driver, there is a associated userland application polling the target device and data is read from target device to user space and then written to a file. In stead, I want to do it in the scsi_target driver itself such that all I/O queues are redirected to a disk device. For this purpose, How can I interface with the scsi disk driver i.e. scsi_da.c from the scsi_target driver? 

Thanks & Regards,

Jaya



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