Add hil_proc poll()

Add hil_proc poll() for user to poll if the remoteproc has been
signaled.

Signed-off-by: Wendy Liang <jliang@xilinx.com>

diff --git a/lib/common/hil.c b/lib/common/hil.c
index f3c981278494261c4b7ffc04b6c954d58737f10f..26e0b42792f8d073816209a41118a7435cb73ad0 100644 (file)
--- a/lib/common/hil.c
+++ b/lib/common/hil.c
@@ -369,3 +369,8 @@ int hil_get_firmware(char *fw_name, unsigned int *start_addr,
 {
        return (config_get_firmware(fw_name, start_addr, size));
 }
+
+int hil_poll (struct hil_proc *proc, int nonblock)
+{
+       return proc->ops->poll(proc, nonblock);
+}

diff --git a/lib/include/openamp/hil.h b/lib/include/openamp/hil.h
index af307d75765e00f5d76874c8659ca20f6149f692..06a13deb17566437016c7e0e9df05377374756f3 100644 (file)
--- a/lib/include/openamp/hil.h
+++ b/lib/include/openamp/hil.h
@@ -395,6 +395,21 @@ void hil_shutdown_cpu(struct hil_proc *proc);
 int hil_get_firmware(char *fw_name, unsigned int *start_addr,
                     unsigned int *size);
 
+/**
+ * hil_poll
+ *
+ * This function polls the remote processor.
+ * If it is blocking mode, it will not return until the remoteproc
+ * is signaled. If it is non-blocking mode, it will return 0
+ * if the remoteproc has pending signals, it will return non 0
+ * otherwise.
+ *
+ * @param proc     - hil_proc to poll
+ * @param nonblock - 0 for blocking, non-0 for non-blocking.
+ *
+ * @return - 0 for no errors, non-0 for errors.
+ */
+int hil_poll (struct hil_proc *proc, int nonblock);
 /**
  *
  * This structure is an interface between HIL and platform porting
@@ -473,6 +488,18 @@ struct hil_platform_ops {
      */
        void (*shutdown_cpu) (int cpu_id);
 
+    /**
+     * poll
+     *
+     * This function polls the remote processor.
+     *
+     * @param proc     - hil_proc to poll
+     * @param nonblock - 0 for blocking, non-0 for non-blocking.
+     *
+     * @return - 0 for no errors, non-0 for errors.
+     */
+       int (*poll) (struct hil_proc *proc, int nonblock);
+
     /**
      * initialize
      *