Add map client retry notification (Avi Kivity)

The target memory mapping API may fail if the bounce buffer resources
are exhausted.  Add a notification mechanism to allow clients to retry
the mapping operation when resources become available again.

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@6395 c046a42c-6fe2-441c-8c8c-71466251a162

1 files changed, 2 insertions, 0 deletions

diff --git a/cpu-all.h b/cpu-all.h
index 22ffaa7b29..e71bd0601c 100644
--- a/cpu-all.h
+++ b/cpu-all.h
@@ -928,6 +928,8 @@ void *cpu_physical_memory_map(target_phys_addr_t addr,
                               int is_write);
 void cpu_physical_memory_unmap(void *buffer, target_phys_addr_t len,
                                int is_write, target_phys_addr_t access_len);
+void *cpu_register_map_client(void *opaque, void (*callback)(void *opaque));
+void cpu_unregister_map_client(void *cookie);
 
 uint32_t ldub_phys(target_phys_addr_t addr);
 uint32_t lduw_phys(target_phys_addr_t addr);