Displaying 1 result from an estimated 1 matches for "gnttab_dma_unmap_page".
2007 Jun 11
5
[PATCH][Linux] gnttab: make dma address conversion logic of gnttab dma arch specific.
...xen-devel/2007-06/msg00324.html
# HG changeset patch
# User yamahata@valinux.co.jp
# Date 1181545986 -32400
# Node ID 69e2dd4e06c405a92717c5f1818f5096e1dc0bcd
# Parent d5e0eb7dd069c0ffc1854da81aa143ccfb0ad66e
make dma address conversion logic of gnttab dma arch specific.
gnttab_dma_map_page() and gnttab_dma_unmap_page() uses machine address
with dma address interchangebly.
However it doesn''t work with auto translated mode enabled (i.e. on ia64)
because
- bus address space(dma_addr_t) is different from machine address
space(maddr_t).
With the terminology in xen/include/public/mm.h,
dma_addr_t is m...