[Qemu-devel] [PATCH v10 08/14, resend] rdma: introduce qemu_ram_foreach_block()

[mrhines]

From: "Michael R. Hines" <address@hidden>

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: Paolo Bonzini <address@hidden>
Reviewed-by: Chegu Vinod <address@hidden>
Reviewed-by: Eric Blake <address@hidden>
Tested-by: Chegu Vinod <address@hidden>
Tested-by: Michael R. Hines <address@hidden>
Signed-off-by: Michael R. Hines <address@hidden>
---
 exec.c                    |    9 +++++++++
 include/exec/cpu-common.h |    5 +++++
 2 files changed, 14 insertions(+)

diff --git a/exec.c b/exec.c
index 5b8b40d..a094664 100644
--- a/exec.c
+++ b/exec.c
@@ -2604,3 +2604,12 @@ bool cpu_physical_memory_is_io(hwaddr phys_addr)
              memory_region_is_romd(section->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 e061e21..92a4223 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 */
-- 
1.7.10.4