1 files changed, 109 insertions, 0 deletions
diff --git a/src/dpdk_lib18/librte_eal/common/eal_common_dev.c b/src/dpdk_lib18/librte_eal/common/eal_common_dev.c
new file mode 100755
index 00000000..eae56565
--- /dev/null
+++ b/src/dpdk_lib18/librte_eal/common/eal_common_dev.c
@@ -0,0 +1,109 @@
+/*-
+ *   BSD LICENSE
+ *
+ *   Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
+ *   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 Intel Corporation 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.
+ */
+
+#include <string.h>
+#include <inttypes.h>
+#include <sys/queue.h>
+
+#include <rte_dev.h>
+#include <rte_devargs.h>
+#include <rte_debug.h>
+#include <rte_devargs.h>
+
+#include "eal_private.h"
+
+/** Global list of device drivers. */
+static struct rte_driver_list dev_driver_list =
+	TAILQ_HEAD_INITIALIZER(dev_driver_list);
+
+/* register a driver */
+void
+rte_eal_driver_register(struct rte_driver *driver)
+{
+	TAILQ_INSERT_TAIL(&dev_driver_list, driver, next);
+}
+
+/* unregister a driver */
+void
+rte_eal_driver_unregister(struct rte_driver *driver)
+{
+	TAILQ_REMOVE(&dev_driver_list, driver, next);
+}
+
+int
+rte_eal_dev_init(void)
+{
+	struct rte_devargs *devargs;
+	struct rte_driver *driver;
+
+	/*
+	 * Note that the dev_driver_list is populated here
+	 * from calls made to rte_eal_driver_register from constructor functions
+	 * embedded into PMD modules via the PMD_REGISTER_DRIVER macro
+	 */
+
+	/* call the init function for each virtual device */
+	TAILQ_FOREACH(devargs, &devargs_list, next) {
+
+		if (devargs->type != RTE_DEVTYPE_VIRTUAL)
+			continue;
+
+		TAILQ_FOREACH(driver, &dev_driver_list, next) {
+			if (driver->type != PMD_VDEV)
+				continue;
+
+			/* search a driver prefix in virtual device name */
+			if (!strncmp(driver->name, devargs->virtual.drv_name,
+					strlen(driver->name))) {
+				driver->init(devargs->virtual.drv_name,
+					devargs->args);
+				break;
+			}
+		}
+
+		if (driver == NULL) {
+			rte_panic("no driver found for %s\n",
+				  devargs->virtual.drv_name);
+		}
+	}
+
+	/* Once the vdevs are initalized, start calling all the pdev drivers */
+	TAILQ_FOREACH(driver, &dev_driver_list, next) {
+		if (driver->type != PMD_PDEV)
+			continue;
+		/* PDEV drivers don't get passed any parameters */
+		driver->init(NULL, NULL);
+	}
+	return 0;
+}