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38 #include <sys/queue.h>
40 #include <rte_interrupts.h>
42 #include <rte_ethdev.h>
43 #include <rte_devargs.h>
47 /* Generic maximum number of drivers to have room to allocate all drivers */
48 #define NUM_MAX_DRIVERS 256
54 * - Register a driver with a ``devinit()`` function.
56 * - Dump all PCI devices.
58 * - Check that the ``devinit()`` function is called at least once.
61 int test_pci_run = 0; /* value checked by the multiprocess test */
62 static unsigned pci_dev_count;
64 static int my_driver_init(struct rte_pci_driver *dr,
65 struct rte_pci_device *dev);
68 struct rte_pci_id my_driver_id[] = {
70 #define RTE_PCI_DEV_ID_DECL_IXGBE(vend, dev) {RTE_PCI_DEVICE(vend, dev)},
71 #include <rte_pci_dev_ids.h>
73 { .vendor_id = 0, /* sentinel */ },
76 struct rte_pci_id my_driver_id2[] = {
79 #define RTE_PCI_DEV_ID_DECL_EM(vend, dev) {RTE_PCI_DEVICE(vend, dev)},
80 #define RTE_PCI_DEV_ID_DECL_IGB(vend, dev) {RTE_PCI_DEVICE(vend, dev)},
81 #include <rte_pci_dev_ids.h>
83 { .vendor_id = 0, /* sentinel */ },
86 struct rte_pci_driver my_driver = {
87 .name = "test_driver",
88 .devinit = my_driver_init,
89 .id_table = my_driver_id,
93 struct rte_pci_driver my_driver2 = {
94 .name = "test_driver2",
95 .devinit = my_driver_init,
96 .id_table = my_driver_id2,
101 my_driver_init(__attribute__((unused)) struct rte_pci_driver *dr,
102 struct rte_pci_device *dev)
104 printf("My driver init called in %s\n", dr->name);
105 printf("%x:%x:%x.%d", dev->addr.domain, dev->addr.bus,
106 dev->addr.devid, dev->addr.function);
107 printf(" - vendor:%x device:%x\n", dev->id.vendor_id, dev->id.device_id);
114 blacklist_all_devices(void)
116 struct rte_pci_device *dev = NULL;
118 char pci_addr_str[16];
120 TAILQ_FOREACH(dev, &pci_device_list, next) {
121 snprintf(pci_addr_str, sizeof(pci_addr_str), PCI_PRI_FMT,
122 dev->addr.domain, dev->addr.bus, dev->addr.devid,
124 if (rte_eal_devargs_add(RTE_DEVTYPE_BLACKLISTED_PCI,
126 printf("Error: cannot blacklist <%s>", pci_addr_str);
131 printf("%u devices blacklisted\n", i);
134 /* clear devargs list that was modified by the test */
135 static void free_devargs_list(void)
137 struct rte_devargs *devargs;
139 while (!TAILQ_EMPTY(&devargs_list)) {
140 devargs = TAILQ_FIRST(&devargs_list);
141 TAILQ_REMOVE(&devargs_list, devargs, next);
151 struct rte_devargs_list save_devargs_list;
152 struct rte_pci_driver *dr = NULL;
153 struct rte_pci_driver *save_pci_driver_list[NUM_MAX_DRIVERS];
154 unsigned i, num_drivers = 0;
156 printf("Dump all devices\n");
157 rte_eal_pci_dump(stdout);
159 /* Unregister all previous drivers */
160 TAILQ_FOREACH(dr, &pci_driver_list, next) {
161 rte_eal_pci_unregister(dr);
162 save_pci_driver_list[num_drivers++] = dr;
165 rte_eal_pci_register(&my_driver);
166 rte_eal_pci_register(&my_driver2);
169 printf("Scan bus\n");
172 if (pci_dev_count == 0) {
173 printf("no device detected\n");
177 /* save the real devargs_list */
178 save_devargs_list = devargs_list;
179 TAILQ_INIT(&devargs_list);
181 blacklist_all_devices();
184 printf("Scan bus with all devices blacklisted\n");
188 devargs_list = save_devargs_list;
190 if (pci_dev_count != 0) {
191 printf("not all devices are blacklisted\n");
197 rte_eal_pci_unregister(&my_driver);
198 rte_eal_pci_unregister(&my_driver2);
200 /* Restore original driver list */
201 for (i = 0; i < num_drivers; i++)
202 rte_eal_pci_register(save_pci_driver_list[i]);
207 static struct test_command pci_cmd = {
208 .command = "pci_autotest",
209 .callback = test_pci,
211 REGISTER_TEST_COMMAND(pci_cmd);