add remote poweroff support

Signed-off-by: yintao <yintao@xiaomi.com>

drivers/rptun/rptun.c

@@ -26,6 +26,7 @@
 
 #include <inttypes.h>
 #include <stdio.h>
+#include <stdbool.h>
 #include <sys/param.h>
 #include <fcntl.h>
 
@@ -130,7 +131,7 @@ static void rptun_ns_bind(FAR struct rpmsg_device *rdev,
                           FAR const char *name, uint32_t dest);
 
 static int rptun_dev_start(FAR struct remoteproc *rproc);
-static int rptun_dev_stop(FAR struct remoteproc *rproc);
+static int rptun_dev_stop(FAR struct remoteproc *rproc, bool stop_ns);
 static int rptun_dev_ioctl(FAR struct file *filep, int cmd,
                            unsigned long arg);
 
@@ -225,25 +226,31 @@ static inline void rptun_pm_action(FAR struct rptun_priv_s *priv,
 static void rptun_worker(FAR void *arg)
 {
   FAR struct rptun_priv_s *priv = arg;
+  unsigned long cmd = priv->cmd;
 
-  switch (priv->cmd)
+  priv->cmd = RPTUNIOC_NONE;
+  switch (cmd)
     {
       case RPTUNIOC_START:
         if (priv->rproc.state == RPROC_OFFLINE)
           {
             rptun_dev_start(&priv->rproc);
           }
+        else
+          {
+            rptun_dev_stop(&priv->rproc, false);
+            rptun_dev_start(&priv->rproc);
+          }
         break;
 
       case RPTUNIOC_STOP:
         if (priv->rproc.state != RPROC_OFFLINE)
           {
-            rptun_dev_stop(&priv->rproc);
+            rptun_dev_stop(&priv->rproc, true);
           }
         break;
     }
 
-  priv->cmd = RPTUNIOC_NONE;
   remoteproc_get_notification(&priv->rproc, RPTUN_NOTIFY_ALL);
 }
 
@@ -462,10 +469,10 @@ static int rptun_notify_wait(FAR struct remoteproc *rproc, uint32_t id)
 
 static void *rptun_get_priv_by_rdev(FAR struct rpmsg_device *rdev)
 {
-  struct rpmsg_virtio_device *rvdev;
-  struct virtio_device *vdev;
-  struct remoteproc_virtio *rpvdev;
-  struct remoteproc *rproc;
+  FAR struct rpmsg_virtio_device *rvdev;
+  FAR struct virtio_device *vdev;
+  FAR struct remoteproc_virtio *rpvdev;
+  FAR struct remoteproc *rproc;
 
   if (!rdev)
     {
@@ -748,16 +755,33 @@ static int rptun_dev_start(FAR struct remoteproc *rproc)
   return 0;
 }
 
-static int rptun_dev_stop(FAR struct remoteproc *rproc)
+static int rptun_dev_stop(FAR struct remoteproc *rproc, bool stop_ns)
 {
   FAR struct rptun_priv_s *priv = rproc->priv;
+  FAR struct rpmsg_device *rdev = &priv->rvdev.rdev;
   FAR struct metal_list *node;
+  FAR struct metal_list *tmp;
   FAR struct rptun_cb_s *cb;
 
+  rdev->support_ns = stop_ns;
+
 #ifdef CONFIG_RPTUN_PING
   rptun_ping_deinit(&priv->ping);
 #endif
 
+  nxrmutex_lock(&priv->lock);
+
+  metal_list_for_each_safe(&priv->bind, node, tmp)
+    {
+      FAR struct rptun_bind_s *bind;
+
+      bind = metal_container_of(node, struct rptun_bind_s, node);
+      metal_list_del(node);
+      kmm_free(bind);
+    }
+
+  nxrmutex_unlock(&priv->lock);
+
   /* Unregister callback from mbox */
 
   RPTUN_UNREGISTER_CALLBACK(priv->dev);
@@ -779,15 +803,15 @@ static int rptun_dev_stop(FAR struct remoteproc *rproc)
 
   nxrmutex_unlock(&g_rptun_lockcb);
 
-  /* Remote proc stop and shutdown */
-
-  remoteproc_shutdown(rproc);
-
   /* Remote proc remove */
 
   rpmsg_deinit_vdev(&priv->rvdev);
   remoteproc_remove_virtio(rproc, priv->rvdev.vdev);
 
+  /* Remote proc stop and shutdown */
+
+  remoteproc_shutdown(rproc);
+
   return 0;
 }
 

openamp/0001-libmetal-add-metal_list_for_each_safe-support.patch

@@ -0,0 +1,28 @@
+From f06b90cdc478124eba45b3be4f3630e8a729c51b Mon Sep 17 00:00:00 2001
+From: ligd <liguiding1@xiaomi.com>
+Date: Tue, 25 Jul 2023 14:25:58 +0800
+Subject: [PATCH] libmetal: add metal_list_for_each_safe() support
+
+Signed-off-by: ligd <liguiding1@xiaomi.com>
+---
+ lib/list.h | 4 ++++
+ 1 file changed, 4 insertions(+)
+
+diff --git a/lib/list.h libmetal/lib/list.h
+index eb0e7b3..3e8d17f 100644
+--- a/lib/list.h
++++ libmetal/lib/list.h
+@@ -98,6 +98,10 @@ static inline struct metal_list *metal_list_first(struct metal_list *list)
+ 	     (node) != (list);			\
+ 	     (node) = (node)->next)
+ 
++#define metal_list_for_each_safe(list, node, temp)		\
++	for(node = (list)->next, temp = node->next;		\
++	    node != (list); node = temp, temp = node->next)
++
+ static inline bool metal_list_find_node(struct metal_list *list,
+ 					struct metal_list *node)
+ {
+-- 
+2.25.1
+

openamp/libmetal.cmake

@@ -33,6 +33,9 @@ if(NOT EXISTS ${CMAKE_CURRENT_LIST_DIR}/libmetal)
         ""
         INSTALL_COMMAND
         ""
+    PATCH_COMMAND
+      patch -p0 -d ${CMAKE_CURRENT_LIST_DIR} <
+      ${CMAKE_CURRENT_LIST_DIR}/0001-libmetal-add-metal_list_for_each_safe-support.patch
     DOWNLOAD_NO_PROGRESS true
     TIMEOUT 30)
 

openamp/libmetal.defs

@@ -77,6 +77,7 @@ libmetal.zip:
 	$(call DOWNLOAD,https://github.com/OpenAMP/libmetal/archive,v$(VERSION).zip,libmetal.zip)
 	$(Q) unzip -o libmetal.zip
 	$(Q) mv libmetal-$(VERSION) libmetal
+	$(Q) patch -p0 < 0001-libmetal-add-metal_list_for_each_safe-support.patch
 
 .libmetal_headers: libmetal.zip
 else