-/*-
- * BSD LICENSE
- *
- * Copyright(c) 2014 6WIND S.A.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * * Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in
- * the documentation and/or other materials provided with the
- * distribution.
- * * Neither the name of 6WIND S.A. nor the names of its
- * contributors may be used to endorse or promote products derived
- * from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2014 6WIND S.A.
*/
#ifndef _RTE_DEV_H_
#include <sys/queue.h>
#include <rte_config.h>
+#include <rte_compat.h>
#include <rte_log.h>
__attribute__((format(printf, 2, 0)))
} \
} 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.
*/
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.
*/
};
/**
- * Initialize a driver specified by name.
+ * Attach a device to a registered driver.
*
* @param name
- * The pointer to a driver name to be initialized.
- * @param args
- * The pointer to arguments used by driver initialization.
+ * 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
+ * 0 on success, negative on error.
*/
-int rte_vdev_init(const char *name, const char *args);
+int rte_eal_dev_attach(const char *name, const char *devargs);
/**
- * Uninitalize a driver specified by name.
+ * Detach a device from its driver.
*
- * @param name
- * The pointer to a driver name to be initialized.
+ * @param dev
+ * A pointer to a rte_device structure.
* @return
- * 0 on success, negative on error
+ * 0 on success, negative on error.
*/
-int rte_vdev_uninit(const char *name);
+int rte_eal_dev_detach(struct rte_device *dev);
/**
- * Attach a device to a registered driver.
+ * @warning
+ * @b EXPERIMENTAL: this API may change without prior notice
*
- * @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.
+ * 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_dev_attach(const char *name, const char *devargs);
+int __rte_experimental rte_eal_hotplug_add(const char *busname, const char *devname,
+ const char *devargs);
/**
- * Detach a device from its driver.
+ * @warning
+ * @b EXPERIMENTAL: this API may change without prior notice
*
- * @param name
- * Same description as for rte_eal_dev_attach().
- * Here, eal will call the driver detaching function.
+ * 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_experimental rte_eal_hotplug_remove(const char *busname,
+ const char *devname);
/**
* Device comparison function.
}
#endif
-#endif /* _RTE_VDEV_H_ */
+#endif /* _RTE_DEV_H_ */