devargs: introduce new parsing helper

[dpdk.git] / lib / librte_eal / common / include / rte_devargs.h

diff --git a/lib/librte_eal/common/include/rte_devargs.h b/lib/librte_eal/common/include/rte_devargs.h
index a5c4a4a..a0427cd 100644 (file)
--- a/lib/librte_eal/common/include/rte_devargs.h
+++ b/lib/librte_eal/common/include/rte_devargs.h
@@ -118,6 +118,26 @@ extern struct rte_devargs_list devargs_list;
 int rte_eal_parse_devargs_str(const char *devargs_str,
                                char **drvname, char **drvargs);
 
+/**
+ * Parse a device string.
+ *
+ * Verify that a bus is capable of handling the device passed
+ * in argument. Store which bus will handle the device, its name
+ * and the eventual device parameters.
+ *
+ * @param dev
+ *   The device declaration string.
+ * @param da
+ *   The devargs structure holding the device information.
+ *
+ * @return
+ *   - 0 on success.
+ *   - Negative errno on error.
+ */
+int
+rte_eal_devargs_parse(const char *dev,
+                     struct rte_devargs *da);
+
 /**
  * Add a device to the user device list
  *