--- /dev/null
+/*-
+ * 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 <stdio.h>
+#include <string.h>
+#include <stdint.h>
+#include <sys/queue.h>
+
+#include <rte_interrupts.h>
+#include <rte_pci.h>
+#include <rte_ethdev.h>
+#include <rte_devargs.h>
+
+#include "test.h"
+
+/* Generic maximum number of drivers to have room to allocate all drivers */
+#define NUM_MAX_DRIVERS 256
+
+/*
+ * PCI test
+ * ========
+ *
+ * - Register a driver with a ``devinit()`` function.
+ *
+ * - Dump all PCI devices.
+ *
+ * - Check that the ``devinit()`` function is called at least once.
+ */
+
+int test_pci_run = 0; /* value checked by the multiprocess test */
+static unsigned pci_dev_count;
+
+static int my_driver_init(struct rte_pci_driver *dr,
+ struct rte_pci_device *dev);
+
+/* IXGBE NICS */
+struct rte_pci_id my_driver_id[] = {
+
+#define RTE_PCI_DEV_ID_DECL_IXGBE(vend, dev) {RTE_PCI_DEVICE(vend, dev)},
+#include <rte_pci_dev_ids.h>
+
+{ .vendor_id = 0, /* sentinel */ },
+};
+
+struct rte_pci_id my_driver_id2[] = {
+
+/* IGB & EM NICS */
+#define RTE_PCI_DEV_ID_DECL_EM(vend, dev) {RTE_PCI_DEVICE(vend, dev)},
+#define RTE_PCI_DEV_ID_DECL_IGB(vend, dev) {RTE_PCI_DEVICE(vend, dev)},
+#include <rte_pci_dev_ids.h>
+
+{ .vendor_id = 0, /* sentinel */ },
+};
+
+struct rte_pci_driver my_driver = {
+ .name = "test_driver",
+ .devinit = my_driver_init,
+ .id_table = my_driver_id,
+ .drv_flags = 0,
+};
+
+struct rte_pci_driver my_driver2 = {
+ .name = "test_driver2",
+ .devinit = my_driver_init,
+ .id_table = my_driver_id2,
+ .drv_flags = 0,
+};
+
+static int
+my_driver_init(__attribute__((unused)) struct rte_pci_driver *dr,
+ struct rte_pci_device *dev)
+{
+ printf("My driver init called in %s\n", dr->name);
+ printf("%x:%x:%x.%d", dev->addr.domain, dev->addr.bus,
+ dev->addr.devid, dev->addr.function);
+ printf(" - vendor:%x device:%x\n", dev->id.vendor_id, dev->id.device_id);
+
+ pci_dev_count ++;
+ return 0;
+}
+
+static void
+blacklist_all_devices(void)
+{
+ struct rte_pci_device *dev = NULL;
+ unsigned i = 0;
+ char pci_addr_str[16];
+
+ TAILQ_FOREACH(dev, &pci_device_list, next) {
+ snprintf(pci_addr_str, sizeof(pci_addr_str), PCI_PRI_FMT,
+ dev->addr.domain, dev->addr.bus, dev->addr.devid,
+ dev->addr.function);
+ if (rte_eal_devargs_add(RTE_DEVTYPE_BLACKLISTED_PCI,
+ pci_addr_str) < 0) {
+ printf("Error: cannot blacklist <%s>", pci_addr_str);
+ break;
+ }
+ i++;
+ }
+ printf("%u devices blacklisted\n", i);
+}
+
+/* clear devargs list that was modified by the test */
+static void free_devargs_list(void)
+{
+ struct rte_devargs *devargs;
+
+ while (!TAILQ_EMPTY(&devargs_list)) {
+ devargs = TAILQ_FIRST(&devargs_list);
+ TAILQ_REMOVE(&devargs_list, devargs, next);
+ free(devargs->args);
+ free(devargs);
+ }
+}
+
+int
+test_pci(void)
+{
+ struct rte_devargs_list save_devargs_list;
+ struct rte_pci_driver *dr = NULL;
+ struct rte_pci_driver *save_pci_driver_list[NUM_MAX_DRIVERS];
+ unsigned i, num_drivers = 0;
+
+ printf("Dump all devices\n");
+ rte_eal_pci_dump(stdout);
+
+ /* Unregister all previous drivers */
+ TAILQ_FOREACH(dr, &pci_driver_list, next) {
+ rte_eal_pci_unregister(dr);
+ save_pci_driver_list[num_drivers++] = dr;
+ }
+
+ rte_eal_pci_register(&my_driver);
+ rte_eal_pci_register(&my_driver2);
+
+ pci_dev_count = 0;
+ printf("Scan bus\n");
+ rte_eal_pci_probe();
+
+ if (pci_dev_count == 0) {
+ printf("no device detected\n");
+ return -1;
+ }
+
+ /* save the real devargs_list */
+ save_devargs_list = devargs_list;
+ TAILQ_INIT(&devargs_list);
+
+ blacklist_all_devices();
+
+ pci_dev_count = 0;
+ printf("Scan bus with all devices blacklisted\n");
+ rte_eal_pci_probe();
+
+ free_devargs_list();
+ devargs_list = save_devargs_list;
+
+ if (pci_dev_count != 0) {
+ printf("not all devices are blacklisted\n");
+ return -1;
+ }
+
+ test_pci_run = 1;
+
+ rte_eal_pci_unregister(&my_driver);
+ rte_eal_pci_unregister(&my_driver2);
+
+ /* Restore original driver list */
+ for (i = 0; i < num_drivers; i++)
+ rte_eal_pci_register(save_pci_driver_list[i]);
+
+ return 0;
+}
+
+static struct test_command pci_cmd = {
+ .command = "pci_autotest",
+ .callback = test_pci,
+};
+REGISTER_TEST_COMMAND(pci_cmd);
Code Review / deb_dpdk.git / blobdiff