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38 #include <sys/queue.h>
40 #include <rte_interrupts.h>
42 #include <rte_per_lcore.h>
43 #include <rte_memory.h>
44 #include <rte_memzone.h>
45 #include <rte_tailq.h>
48 #include "eal_private.h"
50 struct pci_driver_list driver_list;
51 struct pci_device_list device_list;
53 static struct rte_pci_addr *dev_blacklist = NULL;
54 static unsigned dev_blacklist_size = 0;
56 static int is_blacklisted(struct rte_pci_device *dev)
58 struct rte_pci_addr *loc = &dev->addr;
61 for (i = 0; i < dev_blacklist_size; i++) {
62 if ((loc->domain == dev_blacklist[i].domain) &&
63 (loc->bus == dev_blacklist[i].bus) &&
64 (loc->devid == dev_blacklist[i].devid) &&
65 (loc->function == dev_blacklist[i].function)) {
70 return 0; /* not in blacklist */
74 * If vendor/device ID match, call the devinit() function of all
75 * registered driver for the given device. Return -1 if no driver is
76 * found for this device.
79 pci_probe_all_drivers(struct rte_pci_device *dev)
81 struct rte_pci_driver *dr = NULL;
83 dev->blacklisted = !!is_blacklisted(dev);
84 TAILQ_FOREACH(dr, &driver_list, next) {
85 if (rte_eal_pci_probe_one_driver(dr, dev) == 0)
92 * Scan the content of the PCI bus, and call the devinit() function for
93 * all registered drivers that have a matching entry in its id_table
94 * for discovered devices.
97 rte_eal_pci_probe(void)
99 struct rte_pci_device *dev = NULL;
101 TAILQ_FOREACH(dev, &device_list, next)
102 pci_probe_all_drivers(dev);
107 /* dump one device */
109 pci_dump_one_device(struct rte_pci_device *dev)
111 printf(PCI_PRI_FMT, dev->addr.domain, dev->addr.bus,
112 dev->addr.devid, dev->addr.function);
113 printf(" - vendor:%x device:%x\n", dev->id.vendor_id,
115 printf(" %16.16"PRIx64" %16.16"PRIx64"\n",
116 dev->mem_resource.phys_addr, dev->mem_resource.len);
120 /* dump devices on the bus */
122 rte_eal_pci_dump(void)
124 struct rte_pci_device *dev = NULL;
126 TAILQ_FOREACH(dev, &device_list, next) {
127 pci_dump_one_device(dev);
131 /* register a driver */
133 rte_eal_pci_register(struct rte_pci_driver *driver)
135 TAILQ_INSERT_TAIL(&driver_list, driver, next);
139 rte_eal_pci_set_blacklist(struct rte_pci_addr *blacklist, unsigned size)
141 dev_blacklist = blacklist;
142 dev_blacklist_size = size;