[PATCH V4 30/43] physmem: qemu_ram_get_fd_offset

[Steve Sistare]

Define qemu_ram_get_fd_offset, so CPR can map a memory region using
IOMMU_IOAS_MAP_FILE in a subsequent patch.

Signed-off-by: Steve Sistare <steven.sist...@oracle.com>
Reviewed-by: Peter Xu <pet...@redhat.com>
Reviewed-by: Zhenzhong Duan <zhenzhong.d...@intel.com>
---
 include/exec/cpu-common.h | 1 +
 system/physmem.c          | 5 +++++
 2 files changed, 6 insertions(+)

diff --git a/include/exec/cpu-common.h b/include/exec/cpu-common.h
index a684855..9b658a3 100644
--- a/include/exec/cpu-common.h
+++ b/include/exec/cpu-common.h
@@ -85,6 +85,7 @@ void qemu_ram_unset_idstr(RAMBlock *block);
 const char *qemu_ram_get_idstr(RAMBlock *rb);
 void *qemu_ram_get_host_addr(RAMBlock *rb);
 ram_addr_t qemu_ram_get_offset(RAMBlock *rb);
+ram_addr_t qemu_ram_get_fd_offset(RAMBlock *rb);
 ram_addr_t qemu_ram_get_used_length(RAMBlock *rb);
 ram_addr_t qemu_ram_get_max_length(RAMBlock *rb);
 bool qemu_ram_is_shared(RAMBlock *rb);
diff --git a/system/physmem.c b/system/physmem.c
index a8a9ca3..18684a4 100644
--- a/system/physmem.c
+++ b/system/physmem.c
@@ -1593,6 +1593,11 @@ ram_addr_t qemu_ram_get_offset(RAMBlock *rb)
     return rb->offset;
 }
 
+ram_addr_t qemu_ram_get_fd_offset(RAMBlock *rb)
+{
+    return rb->fd_offset;
+}
+
 ram_addr_t qemu_ram_get_used_length(RAMBlock *rb)
 {
     return rb->used_length;
-- 
1.8.3.1