eal: add hotplug operations for PCI and vdev

[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 8233a2a..6cc9b01 100644 (file)
--- a/lib/librte_eal/common/include/rte_dev.h
+++ b/lib/librte_eal/common/include/rte_dev.h
@@ -178,6 +178,32 @@ int rte_eal_vdev_init(const char *name, const char *args);
  */
 int rte_eal_vdev_uninit(const char *name);
 
+/**
+ * Attach a device to a registered driver.
+ *
+ * @param name
+ *   The device name, that refers to a pci device (or some private
+ *   way of designating a vdev device). Based on this device name, eal
+ *   will identify a driver capable of handling it and pass it to the
+ *   driver probing function.
+ * @param devargs
+ *   Device arguments to be passed to the driver.
+ * @return
+ *   0 on success, negative on error.
+ */
+int rte_eal_dev_attach(const char *name, const char *devargs);
+
+/**
+ * Detach a device from its driver.
+ *
+ * @param name
+ *   Same description as for rte_eal_dev_attach().
+ *   Here, eal will call the driver detaching function.
+ * @return
+ *   0 on success, negative on error.
+ */
+int rte_eal_dev_detach(const char *name);
+
 #define DRIVER_EXPORT_NAME_ARRAY(n, idx) n##idx[]
 
 #define DRIVER_EXPORT_NAME(name, idx) \
@@ -185,8 +211,8 @@ static const char DRIVER_EXPORT_NAME_ARRAY(this_pmd_name, idx) \
 __attribute__((used)) = RTE_STR(name)
 
 #define PMD_REGISTER_DRIVER(drv, nm)\
-void probefn_ ##drv(void);\
-void __attribute__((constructor, used)) probefn_ ##drv(void)\
+RTE_INIT(probefn_ ##drv);\
+static void probefn_ ##drv(void)\
 {\
        (drv).name = RTE_STR(nm);\
        rte_eal_driver_register(&drv);\