From: "Michael R. Hines" <mrhi...@us.ibm.com>
This introduces:
1. qemu_ram_foreach_block
2. qemu_ram_count_blocks
Both used in communicating the RAMBlocks
to each side for later memory registration.
Signed-off-by: Michael R. Hines <mrhi...@us.ibm.com>
---
exec.c | 21 +++++++++++++++++++++
include/exec/cpu-common.h | 6 ++++++
2 files changed, 27 insertions(+)
diff --git a/exec.c b/exec.c
index 8a6aac3..a985da8 100644
--- a/exec.c
+++ b/exec.c
@@ -2629,3 +2629,24 @@ 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);
+ }
+}
+
+int qemu_ram_count_blocks(void)
+{
+ RAMBlock *block;
+ int total = 0;
+
+ QTAILQ_FOREACH(block, &ram_list.blocks, next) {
+ total++;
+ }
+
+ return total;
+}
diff --git a/include/exec/cpu-common.h b/include/exec/cpu-common.h
index 2e5f11f..aea3fe0 100644
--- a/include/exec/cpu-common.h
+++ b/include/exec/cpu-common.h
@@ -119,6 +119,12 @@ extern struct MemoryRegion io_mem_rom;
extern struct MemoryRegion io_mem_unassigned;
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);
+int qemu_ram_count_blocks(void);
+
#endif
#endif /* !CPU_COMMON_H */
--
1.7.10.4
