+++ /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"
-#include "resource.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 ``probe()`` function.
- *
- * - Dump all PCI devices.
- *
- * - Check that the ``probe()`` 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 */
-const struct rte_pci_id my_driver_id[] = {
- {RTE_PCI_DEVICE(0x0001, 0x1234)},
- { .vendor_id = 0, /* sentinel */ },
-};
-
-const struct rte_pci_id my_driver_id2[] = {
- {RTE_PCI_DEVICE(0x0001, 0x4444)},
- {RTE_PCI_DEVICE(0x0002, 0xabcd)},
- { .vendor_id = 0, /* sentinel */ },
-};
-
-struct rte_pci_driver my_driver = {
- .driver = {
- .name = "test_driver"
- },
- .probe = my_driver_init,
- .id_table = my_driver_id,
- .drv_flags = 0,
-};
-
-struct rte_pci_driver my_driver2 = {
- .driver = {
- .name = "test_driver2"
- },
- .probe = 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->driver.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);
- }
-}
-
-/* backup real devices & drivers (not used for testing) */
-struct pci_driver_list real_pci_driver_list =
- TAILQ_HEAD_INITIALIZER(real_pci_driver_list);
-struct pci_device_list real_pci_device_list =
- TAILQ_HEAD_INITIALIZER(real_pci_device_list);
-
-REGISTER_LINKED_RESOURCE(test_pci_sysfs);
-
-static int
-test_pci_setup(void)
-{
- struct rte_pci_device *dev;
- struct rte_pci_driver *dr;
- const struct resource *r;
- int ret;
-
- r = resource_find("test_pci_sysfs");
- TEST_ASSERT_NOT_NULL(r, "missing resource test_pci_sysfs");
-
- ret = resource_untar(r);
- TEST_ASSERT_SUCCESS(ret, "failed to untar %s", r->name);
-
- ret = setenv("SYSFS_PCI_DEVICES", "test_pci_sysfs/bus/pci/devices", 1);
- TEST_ASSERT_SUCCESS(ret, "failed to setenv");
-
- /* Unregister original devices & drivers lists */
- while (!TAILQ_EMPTY(&pci_driver_list)) {
- dr = TAILQ_FIRST(&pci_driver_list);
- rte_eal_pci_unregister(dr);
- TAILQ_INSERT_TAIL(&real_pci_driver_list, dr, next);
- }
-
- while (!TAILQ_EMPTY(&pci_device_list)) {
- dev = TAILQ_FIRST(&pci_device_list);
- TAILQ_REMOVE(&pci_device_list, dev, next);
- TAILQ_INSERT_TAIL(&real_pci_device_list, dev, next);
- }
-
- ret = rte_eal_pci_scan();
- TEST_ASSERT_SUCCESS(ret, "failed to scan PCI bus");
- rte_eal_pci_dump(stdout);
-
- return 0;
-}
-
-static int
-test_pci_cleanup(void)
-{
- struct rte_pci_device *dev;
- struct rte_pci_driver *dr;
- const struct resource *r;
- int ret;
-
- unsetenv("SYSFS_PCI_DEVICES");
-
- r = resource_find("test_pci_sysfs");
- TEST_ASSERT_NOT_NULL(r, "missing resource test_pci_sysfs");
-
- ret = resource_rm_by_tar(r);
- TEST_ASSERT_SUCCESS(ret, "Failed to delete resource %s", r->name);
-
- /*
- * FIXME: there is no API in DPDK to free a rte_pci_device so we
- * cannot free the devices in the right way. Let's assume that we
- * don't care for tests.
- */
- while (!TAILQ_EMPTY(&pci_device_list)) {
- dev = TAILQ_FIRST(&pci_device_list);
- TAILQ_REMOVE(&pci_device_list, dev, next);
- }
-
- /* Restore original devices & drivers lists */
- while (!TAILQ_EMPTY(&real_pci_driver_list)) {
- dr = TAILQ_FIRST(&real_pci_driver_list);
- TAILQ_REMOVE(&real_pci_driver_list, dr, next);
- rte_eal_pci_register(dr);
- }
-
- while (!TAILQ_EMPTY(&real_pci_device_list)) {
- dev = TAILQ_FIRST(&real_pci_device_list);
- TAILQ_REMOVE(&real_pci_device_list, dev, next);
- TAILQ_INSERT_TAIL(&pci_device_list, dev, next);
- }
-
- return 0;
-}
-
-static int
-test_pci_blacklist(void)
-{
- struct rte_devargs_list save_devargs_list;
-
- printf("Dump all devices\n");
- TEST_ASSERT(TAILQ_EMPTY(&pci_driver_list),
- "pci_driver_list not empty");
-
- 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);
-
- return 0;
-}
-
-static int test_pci_sysfs(void)
-{
- const char *orig;
- const char *newpath;
- int ret;
-
- orig = pci_get_sysfs_path();
- ret = setenv("SYSFS_PCI_DEVICES", "My Documents", 1);
- TEST_ASSERT_SUCCESS(ret, "Failed setenv to My Documents");
-
- newpath = pci_get_sysfs_path();
- TEST_ASSERT(!strcmp(newpath, "My Documents"),
- "pci_get_sysfs_path() should return 'My Documents' "
- "but gives %s", newpath);
-
- ret = setenv("SYSFS_PCI_DEVICES", orig, 1);
- TEST_ASSERT_SUCCESS(ret, "Failed setenv back to '%s'", orig);
-
- newpath = pci_get_sysfs_path();
- TEST_ASSERT(!strcmp(orig, newpath),
- "pci_get_sysfs_path returned unexpected path: "
- "%s (expected: %s)", newpath, orig);
- return 0;
-}
-
-int
-test_pci(void)
-{
- if (test_pci_sysfs())
- return -1;
-
- if (test_pci_setup())
- return -1;
-
- if (test_pci_blacklist())
- return -1;
-
- if (test_pci_cleanup())
- return -1;
-
- return 0;
-}
-
-REGISTER_TEST_COMMAND(pci_autotest, test_pci);
git.droids-corp.org / dpdk.git / commitdiff