cvs commit: src/sys/sparc64/include bus.h bus_private.h iommuvar.h src/sys/sparc64/pci psycho.c src/sys/sparc64/sbus sbus.c src/sys/sparc64/sparc64 bus_machdep.c iommu.c

[Thomas Moestl]

tmm         2003/06/18 09:41:36 PDT

  FreeBSD src repository

  Modified files:
    sys/sparc64/include  bus.h bus_private.h iommuvar.h 
    sys/sparc64/pci      psycho.c 
    sys/sparc64/sbus     sbus.c 
    sys/sparc64/sparc64  bus_machdep.c iommu.c 
  Log:
  Further cleanup of the sparc64 busdma implementation:
  - Move prototypes for sparc64-specific helper functions from bus.h to
    bus_private.h
  - Move the method pointers from struct bus_dma_tag into a separate
    structure; this saves some memory, and allows to use a single method
    table for each busdma backend, so that the bus drivers need no longer
    be changed if the methods tables need to be modified.
  - Remove the hierarchical tag method lookup. It was never really useful,
    since the layering is fixed, and the current implementations do not
    need to call into parent implementations anyway. Each tag inherits
    its method table pointer and cookie from the parent (or the root tag)
    now, and the method wrapper macros directly use the method table
    of the tag.
  - Add a method table to the non-IOMMU backend, remove unnecessary
    prototypes, remove the extra parent tag argument.
  - Rename sparc64_dmamem_alloc_map() and sparc64_dmamem_free_map() to
    sparc64_dma_alloc_map() and sparc64_dma_free_map(), move them to a
    better place and use them for all map allocations and deallocations.
  - Add a method table to the iommu backend, and staticize functions,
    remove the extra parent tag argument.
  - Change the psycho and sbus drivers to just set cookie and method table
    in the root tag.
  - Miscellaneous small fixes.
  
  Revision  Changes    Path
  1.27      +34 -154   src/sys/sparc64/include/bus.h
  1.5       +17 -5     src/sys/sparc64/include/bus_private.h
  1.13      +1 -13     src/sys/sparc64/include/iommuvar.h
  1.38      +2 -9      src/sys/sparc64/pci/psycho.c
  1.21      +2 -9      src/sys/sparc64/sbus/sbus.c
  1.31      +84 -135   src/sys/sparc64/sparc64/bus_machdep.c
  1.30      +50 -40    src/sys/sparc64/sparc64/iommu.c