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authorMichael R. Hines <mrhines@us.ibm.com>2013-06-25 21:35:34 -0400
committerJuan Quintela <quintela@redhat.com>2013-06-27 02:38:36 +0200
commitbd2fa51fcdba3408f308df1b08fae04053ecdee5 (patch)
tree78a6e4477d96803110afe916ca8d886fa1fd8840
parentbe903b2ae7ca750bde2549432c5536087436cf49 (diff)
downloadqemu-arm-bd2fa51fcdba3408f308df1b08fae04053ecdee5.tar.gz
rdma: introduce qemu_ram_foreach_block()
This is used during RDMA initialization in order to transmit a description of all the RAM blocks to the peer for later dynamic chunk registration purposes. Reviewed-by: Juan Quintela <quintela@redhat.com> Reviewed-by: Paolo Bonzini <pbonzini@redhat.com> Reviewed-by: Chegu Vinod <chegu_vinod@hp.com> Tested-by: Chegu Vinod <chegu_vinod@hp.com> Tested-by: Michael R. Hines <mrhines@us.ibm.com> Signed-off-by: Michael R. Hines <mrhines@us.ibm.com> Signed-off-by: Juan Quintela <quintela@redhat.com>
-rw-r--r--exec.c9
-rw-r--r--include/exec/cpu-common.h5
2 files changed, 14 insertions, 0 deletions
diff --git a/exec.c b/exec.c
index 0b0118bd41..2e6fc0087f 100644
--- a/exec.c
+++ b/exec.c
@@ -2630,3 +2630,12 @@ bool cpu_physical_memory_is_io(hwaddr phys_addr)
memory_region_is_romd(mr));
}
#endif
+
+void qemu_ram_foreach_block(RAMBlockIterFunc func, void *opaque)
+{
+ RAMBlock *block;
+
+ QTAILQ_FOREACH(block, &ram_list.blocks, next) {
+ func(block->host, block->offset, block->length, opaque);
+ }
+}
diff --git a/include/exec/cpu-common.h b/include/exec/cpu-common.h
index e061e21093..92a422313f 100644
--- a/include/exec/cpu-common.h
+++ b/include/exec/cpu-common.h
@@ -113,6 +113,11 @@ void cpu_physical_memory_write_rom(hwaddr addr,
extern struct MemoryRegion io_mem_rom;
extern struct MemoryRegion io_mem_notdirty;
+typedef void (RAMBlockIterFunc)(void *host_addr,
+ ram_addr_t offset, ram_addr_t length, void *opaque);
+
+void qemu_ram_foreach_block(RAMBlockIterFunc func, void *opaque);
+
#endif
#endif /* !CPU_COMMON_H */