tree 409d817d5e499297da04543b88823c7fcd6a3c04
parent be959463afd3e257611d6b6ab98d24c0c94d4e3d
author aliguori <aliguori@c046a42c-6fe2-441c-8c8c-71466251a162> 1233869038 +0000
committer aliguori <aliguori@c046a42c-6fe2-441c-8c8c-71466251a162> 1233869038 +0000

Introduce block dma helpers (Avi Kivity)

These helpers perform read/write requests on entire scatter/gather lists,
relieving the device emulation code from mapping and unmapping physical
memory, and from looping when map resources are exhausted.

Signed-off-by: Avi Kivity <avi@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>


git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6524 c046a42c-6fe2-441c-8c8c-71466251a162