*/
typedef int (*rte_bus_parse_t)(const char *name, void *addr);
+/**
+ * Implement a specific hot-unplug handler, which is responsible for
+ * handle the failure when device be hot-unplugged. When the event of
+ * hot-unplug be detected, it could call this function to handle
+ * the hot-unplug failure and avoid app crash.
+ * @param dev
+ * Pointer of the device structure.
+ *
+ * @return
+ * 0 on success.
+ * !0 on error.
+ */
+typedef int (*rte_bus_hot_unplug_handler_t)(struct rte_device *dev);
+
+/**
+ * Implement a specific sigbus handler, which is responsible for handling
+ * the sigbus error which is either original memory error, or specific memory
+ * error that caused of device be hot-unplugged. When sigbus error be captured,
+ * it could call this function to handle sigbus error.
+ * @param failure_addr
+ * Pointer of the fault address of the sigbus error.
+ *
+ * @return
+ * 0 for success handle the sigbus for hot-unplug.
+ * 1 for not process it, because it is a generic sigbus error.
+ * -1 for failed to handle the sigbus for hot-unplug.
+ */
+typedef int (*rte_bus_sigbus_handler_t)(const void *failure_addr);
+
/**
* Bus scan policies
*/
struct rte_bus_conf conf; /**< Bus configuration */
rte_bus_get_iommu_class_t get_iommu_class; /**< Get iommu class */
rte_dev_iterate_t dev_iterate; /**< Device iterator. */
+ rte_bus_hot_unplug_handler_t hot_unplug_handler;
+ /**< handle hot-unplug failure on the bus */
+ rte_bus_sigbus_handler_t sigbus_handler;
+ /**< handle sigbus error on the bus */
+
};
/**