freebsd-dev/sys/dev/agp
Maxime Henrion 07159f9c56 Cleanup of the d_mmap_t interface.
- Get rid of the useless atop() / pmap_phys_address() detour.  The
  device mmap handlers must now give back the physical address
  without atop()'ing it.
- Don't borrow the physical address of the mapping in the returned
  int.  Now we properly pass a vm_offset_t * and expect it to be
  filled by the mmap handler when the mapping was successful.  The
  mmap handler must now return 0 when successful, any other value
  is considered as an error.  Previously, returning -1 was the only
  way to fail.  This change thus accidentally fixes some devices
  which were bogusly returning errno constants which would have been
  considered as addresses by the device pager.
- Garbage collect the poorly named pmap_phys_address() now that it's
  no longer used.
- Convert all the d_mmap_t consumers to the new API.

I'm still not sure wheter we need a __FreeBSD_version bump for this,
since and we didn't guarantee API/ABI stability until 5.1-RELEASE.

Discussed with:		alc, phk, jake
Reviewed by:		peter
Compile-tested on:	LINT (i386), GENERIC (alpha and sparc64)
Runtime-tested on:	i386
2003-02-25 03:21:22 +00:00
..
agp_ali.c
agp_amd.c
agp_i810.c Back out M_* changes, per decision of the TRB. 2003-02-19 05:47:46 +00:00
agp_if.m
agp_intel.c
agp_sis.c
agp_via.c
agp.c Cleanup of the d_mmap_t interface. 2003-02-25 03:21:22 +00:00
agppriv.h
agpreg.h Add agpreg.h missed in commit to agp_i810 (adding i85x/i86x AGP support). 2003-02-13 19:24:19 +00:00
agpvar.h