4 * Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
5 * Copyright(c) 2014 6WIND S.A.
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
12 * * Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
14 * * Redistributions in binary form must reproduce the above copyright
15 * notice, this list of conditions and the following disclaimer in
16 * the documentation and/or other materials provided with the
18 * * Neither the name of Intel Corporation nor the names of its
19 * contributors may be used to endorse or promote products derived
20 * from this software without specific prior written permission.
22 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
23 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
24 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
25 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
26 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
27 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
28 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
29 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
30 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
31 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
32 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
38 #include <sys/queue.h>
40 #include <rte_interrupts.h>
42 #include <rte_devargs.h>
51 * - Register a driver with a ``devinit()`` function.
53 * - Dump all PCI devices.
55 * - Check that the ``devinit()`` function is called at least once.
58 int test_pci_run = 0; /* value checked by the multiprocess test */
59 static unsigned pci_dev_count;
60 static unsigned driver_registered = 0;
62 static int my_driver_init(struct rte_pci_driver *dr,
63 struct rte_pci_device *dev);
66 * To test cases where RTE_PCI_DRV_NEED_IGB_UIO is set, and isn't set, two
67 * drivers are created (one with IGB devices, the other with IXGBE devices).
71 struct rte_pci_id my_driver_id[] = {
73 #define RTE_PCI_DEV_ID_DECL_IXGBE(vend, dev) {RTE_PCI_DEVICE(vend, dev)},
74 #include <rte_pci_dev_ids.h>
76 { .vendor_id = 0, /* sentinel */ },
79 struct rte_pci_id my_driver_id2[] = {
82 #define RTE_PCI_DEV_ID_DECL_EM(vend, dev) {RTE_PCI_DEVICE(vend, dev)},
83 #define RTE_PCI_DEV_ID_DECL_IGB(vend, dev) {RTE_PCI_DEVICE(vend, dev)},
84 #define RTE_PCI_DEV_USE_82575EB_COPPER
85 #include <rte_pci_dev_ids.h>
87 { .vendor_id = 0, /* sentinel */ },
90 struct rte_pci_driver my_driver = {
91 .name = "test_driver",
92 .devinit = my_driver_init,
93 .id_table = my_driver_id,
94 .drv_flags = RTE_PCI_DRV_NEED_IGB_UIO,
97 struct rte_pci_driver my_driver2 = {
98 .name = "test_driver2",
99 .devinit = my_driver_init,
100 .id_table = my_driver_id2,
105 my_driver_init(__attribute__((unused)) struct rte_pci_driver *dr,
106 struct rte_pci_device *dev)
108 printf("My driver init called in %s\n", dr->name);
109 printf("%x:%x:%x.%d", dev->addr.domain, dev->addr.bus,
110 dev->addr.devid, dev->addr.function);
111 printf(" - vendor:%x device:%x\n", dev->id.vendor_id, dev->id.device_id);
118 blacklist_all_devices(void)
120 struct rte_pci_device *dev = NULL;
122 char pci_addr_str[16];
124 TAILQ_FOREACH(dev, &pci_device_list, next) {
125 snprintf(pci_addr_str, sizeof(pci_addr_str), PCI_PRI_FMT,
126 dev->addr.domain, dev->addr.bus, dev->addr.devid,
128 if (rte_eal_devargs_add(RTE_DEVTYPE_BLACKLISTED_PCI,
130 printf("Error: cannot blacklist <%s>", pci_addr_str);
135 printf("%u devices blacklisted\n", i);
138 /* clear devargs list that was modified by the test */
139 static void free_devargs_list(void)
141 struct rte_devargs *devargs;
143 while (!TAILQ_EMPTY(&devargs_list)) {
144 devargs = TAILQ_FIRST(&devargs_list);
145 TAILQ_REMOVE(&devargs_list, devargs, next);
153 struct rte_devargs_list save_devargs_list;
155 printf("Dump all devices\n");
156 rte_eal_pci_dump(stdout);
157 if (driver_registered == 0) {
158 rte_eal_pci_register(&my_driver);
159 rte_eal_pci_register(&my_driver2);
160 driver_registered = 1;
164 printf("Scan bus\n");
167 if (pci_dev_count == 0) {
168 printf("no device detected\n");
172 /* save the real devargs_list */
173 save_devargs_list = devargs_list;
174 TAILQ_INIT(&devargs_list);
176 blacklist_all_devices();
179 printf("Scan bus with all devices blacklisted\n");
183 devargs_list = save_devargs_list;
185 if (pci_dev_count != 0) {
186 printf("not all devices are blacklisted\n");
191 if (driver_registered == 1) {
192 rte_eal_pci_unregister(&my_driver);
193 rte_eal_pci_unregister(&my_driver2);
194 driver_registered = 0;