} \
} while (0)
+/**
+ * Device driver.
+ */
+enum rte_kernel_driver {
+ RTE_KDRV_UNKNOWN = 0,
+ RTE_KDRV_IGB_UIO,
+ RTE_KDRV_VFIO,
+ RTE_KDRV_UIO_GENERIC,
+ RTE_KDRV_NIC_UIO,
+ RTE_KDRV_NONE,
+};
+
+/**
+ * Device policies.
+ */
+enum rte_dev_policy {
+ RTE_DEV_WHITELISTED,
+ RTE_DEV_BLACKLISTED,
+};
+
/**
* A generic memory resource representation.
*/
void *addr; /**< Virtual address, NULL when not mapped. */
};
-/* Forward declaration */
-struct rte_driver;
+/**
+ * A structure describing a device driver.
+ */
+struct rte_driver {
+ TAILQ_ENTRY(rte_driver) next; /**< Next in list. */
+ const char *name; /**< Driver name. */
+ const char *alias; /**< Driver alias. */
+};
+
+/*
+ * Internal identifier length
+ * Sufficiently large to allow for UUID or PCI address
+ */
+#define RTE_DEV_NAME_MAX_LEN 64
/**
* A structure describing a generic device.
struct rte_devargs *devargs; /**< Device user arguments */
};
-/**
- * A structure describing a device driver.
- */
-struct rte_driver {
- TAILQ_ENTRY(rte_driver) next; /**< Next in list. */
- const char *name; /**< Driver name. */
- const char *alias; /**< Driver alias. */
-};
-
/**
* Initialize a driver specified by name.
*
* @return
* 0 on success, negative on error
*/
-int rte_eal_vdev_init(const char *name, const char *args);
+int rte_vdev_init(const char *name, const char *args);
/**
* Uninitalize a driver specified by name.
* @return
* 0 on success, negative on error
*/
-int rte_eal_vdev_uninit(const char *name);
+int rte_vdev_uninit(const char *name);
/**
* Attach a device to a registered driver.
/**
* Detach a device from its driver.
*
- * @param name
- * Same description as for rte_eal_dev_attach().
- * Here, eal will call the driver detaching function.
+ * @param dev
+ * A pointer to a rte_device structure.
+ * @return
+ * 0 on success, negative on error.
+ */
+int rte_eal_dev_detach(struct rte_device *dev);
+
+/**
+ * @warning
+ * @b EXPERIMENTAL: this API may change without prior notice
+ *
+ * Hotplug add a given device to a specific bus.
+ *
+ * @param busname
+ * The bus name the device is added to.
+ * @param devname
+ * The device name. 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_hotplug_add(const char *busname, const char *devname,
+ const char *devargs);
+
+/**
+ * @warning
+ * @b EXPERIMENTAL: this API may change without prior notice
+ *
+ * Hotplug remove a given device from a specific bus.
+ *
+ * @param busname
+ * The bus name the device is removed from.
+ * @param devname
+ * The device name being removed.
* @return
* 0 on success, negative on error.
*/
-int rte_eal_dev_detach(const char *name);
+int rte_eal_hotplug_remove(const char *busname, const char *devname);
+
+/**
+ * Device comparison function.
+ *
+ * This type of function is used to compare an rte_device with arbitrary
+ * data.
+ *
+ * @param dev
+ * Device handle.
+ *
+ * @param data
+ * Data to compare against. The type of this parameter is determined by
+ * the kind of comparison performed by the function.
+ *
+ * @return
+ * 0 if the device matches the data.
+ * !0 if the device does not match.
+ * <0 if ordering is possible and the device is lower than the data.
+ * >0 if ordering is possible and the device is greater than the data.
+ */
+typedef int (*rte_dev_cmp_t)(const struct rte_device *dev, const void *data);
#define RTE_PMD_EXPORT_NAME_ARRAY(n, idx) n##idx[]