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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_MAPPING 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 #include <rte_pci_dev_ids.h>
86 { .vendor_id = 0, /* sentinel */ },
89 struct rte_pci_driver my_driver = {
90 .name = "test_driver",
91 .devinit = my_driver_init,
92 .id_table = my_driver_id,
93 .drv_flags = RTE_PCI_DRV_NEED_MAPPING,
96 struct rte_pci_driver my_driver2 = {
97 .name = "test_driver2",
98 .devinit = my_driver_init,
99 .id_table = my_driver_id2,
104 my_driver_init(__attribute__((unused)) struct rte_pci_driver *dr,
105 struct rte_pci_device *dev)
107 printf("My driver init called in %s\n", dr->name);
108 printf("%x:%x:%x.%d", dev->addr.domain, dev->addr.bus,
109 dev->addr.devid, dev->addr.function);
110 printf(" - vendor:%x device:%x\n", dev->id.vendor_id, dev->id.device_id);
117 blacklist_all_devices(void)
119 struct rte_pci_device *dev = NULL;
121 char pci_addr_str[16];
123 TAILQ_FOREACH(dev, &pci_device_list, next) {
124 snprintf(pci_addr_str, sizeof(pci_addr_str), PCI_PRI_FMT,
125 dev->addr.domain, dev->addr.bus, dev->addr.devid,
127 if (rte_eal_devargs_add(RTE_DEVTYPE_BLACKLISTED_PCI,
129 printf("Error: cannot blacklist <%s>", pci_addr_str);
134 printf("%u devices blacklisted\n", i);
137 /* clear devargs list that was modified by the test */
138 static void free_devargs_list(void)
140 struct rte_devargs *devargs;
142 while (!TAILQ_EMPTY(&devargs_list)) {
143 devargs = TAILQ_FIRST(&devargs_list);
144 TAILQ_REMOVE(&devargs_list, devargs, next);
152 struct rte_devargs_list save_devargs_list;
154 printf("Dump all devices\n");
155 rte_eal_pci_dump(stdout);
156 if (driver_registered == 0) {
157 rte_eal_pci_register(&my_driver);
158 rte_eal_pci_register(&my_driver2);
159 driver_registered = 1;
163 printf("Scan bus\n");
166 if (pci_dev_count == 0) {
167 printf("no device detected\n");
171 /* save the real devargs_list */
172 save_devargs_list = devargs_list;
173 TAILQ_INIT(&devargs_list);
175 blacklist_all_devices();
178 printf("Scan bus with all devices blacklisted\n");
182 devargs_list = save_devargs_list;
184 if (pci_dev_count != 0) {
185 printf("not all devices are blacklisted\n");
190 if (driver_registered == 1) {
191 rte_eal_pci_unregister(&my_driver);
192 rte_eal_pci_unregister(&my_driver2);
193 driver_registered = 0;
199 static struct test_command pci_cmd = {
200 .command = "pci_autotest",
201 .callback = test_pci,
203 REGISTER_TEST_COMMAND(pci_cmd);