Patchwork [v8,08/13] rdma: introduce qemu_ram_foreach_block()

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Submitter mrhines@linux.vnet.ibm.com
Date June 14, 2013, 6:23 a.m.
Message ID <1371191005-9349-9-git-send-email-mrhines@linux.vnet.ibm.com>
Download mbox | patch
Permalink /patch/251225/
State New
Headers show

Comments

mrhines@linux.vnet.ibm.com - June 14, 2013, 6:23 a.m.
From: "Michael R. Hines" <mrhines@us.ibm.com>

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 <pbonzini@redhat.com>
Signed-off-by: Michael R. Hines <mrhines@us.ibm.com>
---
 exec.c                    |    9 +++++++++
 include/exec/cpu-common.h |    5 +++++
 2 files changed, 14 insertions(+)

Patch

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 */