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5 Commits

Author SHA1 Message Date
thorpej fc96443d15 New callout mechanism with two major improvements over the old 
timeout()/untimeout() API:
- Clients supply callout handle storage, thus eliminating problems of
  resource allocation.
- Insertion and removal of callouts is constant time, important as
  this facility is used quite a lot in the kernel.

The old timeout()/untimeout() API has been removed from the kernel.
 2000-03-23 07:01:25 +00:00
thorpej f7c9b87381 Update for sys/buf.h/disksort_*() changes, plus make it compilable on 
more systems.
 2000-01-21 23:41:45 +00:00
pk 5bdabceb87 Send the DMA, not KVA, addresses of I/O descriptors to the controller. 1998-06-18 22:08:43 +00:00
pk b1f869ef45 Use `busdma' macros. 1997-12-01 23:25:37 +00:00
pk f00f5d9428 Start an MI VMEbus framework. 
Includes two sample drivers: IE ethernet driver (VME front-end to
dev/ic/i82586.c) and the XD disk driver, both converted from the
sparc versions.
 1997-11-01 22:56:19 +00:00