eal: enable hotplug on multi-process

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

diff --git a/lib/librte_eal/common/include/rte_dev.h b/lib/librte_eal/common/include/rte_dev.h
index 9b9c98b..b174bf4 100644 (file)
--- a/lib/librte_eal/common/include/rte_dev.h
+++ b/lib/librte_eal/common/include/rte_dev.h
@@ -192,6 +192,9 @@ int rte_eal_dev_detach(struct rte_device *dev);
 /**
  * Hotplug add a given device to a specific bus.
  *
+ * In multi-process, it will request other processes to add the same device.
+ * A failure, in any process, will rollback the action
+ *
  * @param busname
  *   The bus name the device is added to.
  * @param devname
@@ -211,6 +214,9 @@ int rte_eal_hotplug_add(const char *busname, const char *devname,
  *
  * Add matching devices.
  *
+ * In multi-process, it will request other processes to add the same device.
+ * A failure, in any process, will rollback the action
+ *
  * @param devargs
  *   Device arguments including bus, class and driver properties.
  * @return
@@ -221,6 +227,9 @@ int __rte_experimental rte_dev_probe(const char *devargs);
 /**
  * Hotplug remove a given device from a specific bus.
  *
+ * In multi-process, it will request other processes to remove the same device.
+ * A failure, in any process, will rollback the action
+ *
  * @param busname
  *   The bus name the device is removed from.
  * @param devname
@@ -236,6 +245,9 @@ int rte_eal_hotplug_remove(const char *busname, const char *devname);
  *
  * Remove one device.
  *
+ * In multi-process, it will request other processes to remove the same device.
+ * A failure, in any process, will rollback the action
+ *
  * @param dev
  *   Data structure of the device to remove.
  * @return