qcacmn: Add support for WMI over QMI

Add support for WMI over QMI to reduce power consumption for
periodic stats report.

Change-Id: Ic57b2bd18be803c97ffeea2e0073751d31e02202
CRs-fixed: 2521835

wmi/inc/wmi_unified_api.h

@@ -276,6 +276,45 @@ wmi_unified_cmd_send_fl(wmi_unified_t wmi_handle, wmi_buf_t buf,
 			uint32_t buflen, uint32_t cmd_id,
 			const char *func, uint32_t line);
 
+#ifdef WLAN_FEATURE_WMI_SEND_RECV_QMI
+/**
+ * wmi_unified_cmd_send_over_qmi() -  generic function to send unified WMI command
+ *                               over QMI
+ * @wmi_handle: handle to WMI.
+ * @buf: wmi command buffer
+ * @buflen: wmi command buffer length
+ * @cmd_id: WMI cmd id
+ *
+ * Return: QDF_STATUS
+ */
+QDF_STATUS wmi_unified_cmd_send_over_qmi(struct wmi_unified *wmi_handle,
+				    wmi_buf_t buf, uint32_t buflen,
+				    uint32_t cmd_id);
+
+/**
+ * wmi_process_qmi_fw_event() - Process WMI event received over QMI
+ * @wmi_cb_ctx: WMI handle received as call back context
+ * @buf: Pointer to WMI event buffer
+ * @len: Len of WMI buffer received
+ *
+ * Return: None
+ */
+int wmi_process_qmi_fw_event(void *wmi_cb_ctx, void *buf, int len);
+#else
+static inline
+QDF_STATUS wmi_unified_cmd_send_over_qmi(struct wmi_unified *wmi_handle,
+				    wmi_buf_t buf, uint32_t buflen,
+				    uint32_t cmd_id)
+{
+	return QDF_STATUS_E_NOSUPPORT;
+}
+
+static inline int wmi_process_qmi_fw_event(void *wmi_cb_ctx, void *buf, int len)
+{
+	return -EINVAL;
+}
+#endif
+
 /**
  * wmi_unified_register_event() - WMI event handler
  * registration function for converged components