bus: introduce device level DMA memory mapping

[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 0eef6e9c45d3a7803b9d1ac4a7d594546fd29b36..29b3fb7c8d51f5c13c90dadbf8ead165121baa59 100644 (file)
--- a/lib/librte_eal/common/include/rte_devargs.h
+++ b/lib/librte_eal/common/include/rte_devargs.h
@@ -146,6 +146,8 @@ __attribute__((format(printf, 2, 0)));
  *
  * @param da
  *  The devargs structure to insert.
+ *  If a devargs for the same device is already inserted,
+ *  it will be updated and returned. It means *da pointer can change.
  *
  * @return
  *   - 0 on success
@@ -153,7 +155,7 @@ __attribute__((format(printf, 2, 0)));
  */
 __rte_experimental
 int
-rte_devargs_insert(struct rte_devargs *da);
+rte_devargs_insert(struct rte_devargs **da);
 
 /**
  * Add a device to the user device list
@@ -176,11 +178,8 @@ int rte_devargs_add(enum rte_devtype devtype, const char *devargs_str);
  * Its resources are freed.
  * If the devargs cannot be found, nothing happens.
  *
- * @param busname
- *   bus name of the devargs to remove.
- *
- * @param devname
- *   device name of the devargs to remove.
+ * @param devargs
+ *   The instance or a copy of devargs to remove.
  *
  * @return
  *   0 on success.
@@ -188,8 +187,7 @@ int rte_devargs_add(enum rte_devtype devtype, const char *devargs_str);
  *   >0 if the devargs was not within the user device list.
  */
 __rte_experimental
-int rte_devargs_remove(const char *busname,
-                      const char *devname);
+int rte_devargs_remove(struct rte_devargs *devargs);
 
 /**
  * Count the number of user devices of a specified type