diff options
Diffstat (limited to 'app/test/test_pci.c')
| -rw-r--r-- | app/test/test_pci.c | 322 |
1 files changed, 0 insertions, 322 deletions
diff --git a/app/test/test_pci.c b/app/test/test_pci.c deleted file mode 100644 index cda186d0..00000000 --- a/app/test/test_pci.c +++ /dev/null @@ -1,322 +0,0 @@ -/*- - * 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 */ -struct rte_pci_id my_driver_id[] = { - {RTE_PCI_DEVICE(0x0001, 0x1234)}, - { .vendor_id = 0, /* sentinel */ }, -}; - -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); |