From 4c06a2768dba227a61e00ab502ca09cd73d300f2 Mon Sep 17 00:00:00 2001
From: Bowen Wang <wangbowen6@xiaomi.com>
Date: Tue, 13 Jan 2026 15:45:32 +0800
Subject: [PATCH] openamp: add mm_priv to struct virtio_device

now the virtio device can set it's own memory private data, and
can use this private data to store the memory manager handler

Signed-off-by: Bowen Wang <wangbowen6@xiaomi.com>
---
 ...-add-mm_priv-to-struct-virtio_deivce.patch | 30 +++++++++++++++++++
 openamp/open-amp.cmake                        |  2 ++
 openamp/open-amp.defs                         |  1 +
 3 files changed, 33 insertions(+)
 create mode 100644 openamp/0013-virtio.h-add-mm_priv-to-struct-virtio_deivce.patch

diff --git a/openamp/0013-virtio.h-add-mm_priv-to-struct-virtio_deivce.patch b/openamp/0013-virtio.h-add-mm_priv-to-struct-virtio_deivce.patch
new file mode 100644
index 00000000000..628cc951bf6
--- /dev/null
+++ b/openamp/0013-virtio.h-add-mm_priv-to-struct-virtio_deivce.patch
@@ -0,0 +1,30 @@
+From 8ae5419aa1e549d2b5d97d62af87bb3ede355ee2 Mon Sep 17 00:00:00 2001
+From: Bowen Wang <wangbowen6@xiaomi.com>
+Date: Thu, 5 Sep 2024 23:02:20 +0800
+Subject: [PATCH 13/13] virtio.h: add mm_priv to struct virtio_deivce
+
+Support assign private memory data to the virtio device, so the
+virtio memory operation api is more easlier to implement.
+
+Signed-off-by: Bowen Wang <wangbowen6@xiaomi.com>
+---
+ lib/include/openamp/virtio.h | 3 +++
+ 1 file changed, 3 insertions(+)
+
+diff --git a/lib/include/openamp/virtio.h open-amp/lib/include/openamp/virtio.h
+index 0c35c45ccf..475aa695bd 100644
+--- a/lib/include/openamp/virtio.h
++++ open-amp/lib/include/openamp/virtio.h
+@@ -207,6 +207,9 @@ struct virtio_device {
+ 	/**< Virtio device memory operations */
+ 	const struct virtio_memory_ops *mmops;
+ 
++	/** The memory operation private data */
++	void *mm_priv;
++
+ 	/** Private data */
+ 	void *priv;
+ 
+-- 
+2.34.1
+
diff --git a/openamp/open-amp.cmake b/openamp/open-amp.cmake
index 93726d46c9d..97833c858a3 100644
--- a/openamp/open-amp.cmake
+++ b/openamp/open-amp.cmake
@@ -62,6 +62,8 @@ if(NOT EXISTS ${CMAKE_CURRENT_LIST_DIR}/open-amp)
       ${CMAKE_CURRENT_LIST_DIR}/0011-remoteproc_virtio-add-shm_io-for-remoteproc-virtio-a.patch
       && patch -p0 -d ${CMAKE_CURRENT_LIST_DIR} <
       ${CMAKE_CURRENT_LIST_DIR}/0012-remoteproc-sync-the-virtio-rpmsg-config-with-linux-s.patch
+      && patch -p0 -d ${CMAKE_CURRENT_LIST_DIR} <
+      ${CMAKE_CURRENT_LIST_DIR}/0013-virtio.h-add-mm_priv-to-struct-virtio_deivce.patch
     DOWNLOAD_NO_PROGRESS true
     TIMEOUT 30)
 
diff --git a/openamp/open-amp.defs b/openamp/open-amp.defs
index ada1b9e6678..1f9a10a43fd 100644
--- a/openamp/open-amp.defs
+++ b/openamp/open-amp.defs
@@ -78,6 +78,7 @@ open-amp.zip:
 	$(Q) patch -p0 < 0010-openamp-add-assert-when-get-tx-buffer-failed.patch
 	$(Q) patch -p0 < 0011-remoteproc_virtio-add-shm_io-for-remoteproc-virtio-a.patch
 	$(Q) patch -p0 < 0012-remoteproc-sync-the-virtio-rpmsg-config-with-linux-s.patch
+	$(Q) patch -p0 < 0013-virtio.h-add-mm_priv-to-struct-virtio_deivce.patch
 
 .openamp_headers: open-amp.zip
 else