git: busdma: Add bus_dmamap_load_ccb; ease driver porting from FreeBSD.

[Sepherosa Ziehau]

commit 9eb6f10995f919a6bec660a31a8994c75be57950
Author: Sepherosa Ziehau <sephe at dragonflybsd.org>
Date:   Thu Jun 29 08:20:22 2017 +0800

    busdma: Add bus_dmamap_load_ccb; ease driver porting from FreeBSD.

Summary of changes:
 sys/platform/pc64/x86_64/busdma_machdep.c | 18 ++++++++++++++++++
 sys/sys/bus_dma.h                         |  8 ++++++++
 2 files changed, 26 insertions(+)

http://gitweb.dragonflybsd.org/dragonfly.git/commitdiff/9eb6f10995f919a6bec660a31a8994c75be57950


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