| commit | 4e8b0cf46b2570331a4c4157d53906883c442a22 | [log] [tgz] |
|---|---|---|
| author | Nishanth Aravamudan <nacc@us.ibm.com> | Thu Feb 10 09:10:47 2011 +0000 |
| committer | Benjamin Herrenschmidt <benh@kernel.crashing.org> | Fri Mar 04 18:19:05 2011 +1100 |
| tree | 125c42222f64709d6073dc9d6ea3b9bc03624a27 | |
| parent | 6edc642ebee87dfceb97050d51c5ab1fe539a597 [diff] |
powerpc/pseries: Add support for dynamic dma windows If firmware allows us to map all of a partition's memory for DMA on a particular bridge, create a 1:1 mapping of that memory. Add hooks for dealing with hotplug events. Dynamic DMA windows can use larger than the default page size, and we use the largest one possible. Signed-off-by: Nishanth Aravamudan <nacc@us.ibm.com> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>