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4 Commits

Author SHA1 Message Date
Marcel Moolenaar
89abdea8f0 Add create, destroy and load of memory descriptors. 2015-07-03 01:52:22 +00:00
Marcel Moolenaar
cff0f135c1 Implement mmap(2) for the busdma resource. 2015-06-08 21:47:44 +00:00
Marcel Moolenaar
5dcca8e800 Add DMA memory allocation and freeing. 
Slightly rework the tag handling.
 2015-06-08 03:00:36 +00:00
Marcel Moolenaar
4f027abddb DMA support part 1: DMA tag create & destroy 
Create a special resource (= device special file) for management
of tags and maps, as well as for mapping memory into the address
space. DMA resources are managed using the PROTO_IOC_BUSDMA ioctl.
Part 1 implements tag creation, derivation and destruction.
 2015-06-06 16:09:25 +00:00