4 * Copyright(c) 2010-2012 Intel Corporation. All rights reserved.
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
11 * * Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * * Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in
15 * the documentation and/or other materials provided with the
17 * * Neither the name of Intel Corporation nor the names of its
18 * contributors may be used to endorse or promote products derived
19 * from this software without specific prior written permission.
21 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
22 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
23 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
24 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
25 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
26 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
27 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
28 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
29 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
30 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
31 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
33 * version: DPDK.L.1.2.3-3
39 #include <sys/queue.h>
41 #include <rte_interrupts.h>
43 #include <rte_per_lcore.h>
44 #include <rte_memory.h>
45 #include <rte_memzone.h>
46 #include <rte_tailq.h>
49 #include "eal_private.h"
51 struct pci_driver_list driver_list;
52 struct pci_device_list device_list;
54 static struct rte_pci_addr *dev_blacklist = NULL;
55 static unsigned dev_blacklist_size = 0;
57 static int is_blacklisted(struct rte_pci_device *dev)
59 struct rte_pci_addr *loc = &dev->addr;
62 for (i = 0; i < dev_blacklist_size; i++) {
63 if ((loc->domain == dev_blacklist[i].domain) &&
64 (loc->bus == dev_blacklist[i].bus) &&
65 (loc->devid == dev_blacklist[i].devid) &&
66 (loc->function == dev_blacklist[i].function)) {
71 return 0; /* not in blacklist */
75 * If vendor/device ID match, call the devinit() function of all
76 * registered driver for the given device. Return -1 if no driver is
77 * found for this device.
80 pci_probe_all_drivers(struct rte_pci_device *dev)
82 struct rte_pci_driver *dr = NULL;
84 TAILQ_FOREACH(dr, &driver_list, next) {
85 if (is_blacklisted(dev))
87 if (rte_eal_pci_probe_one_driver(dr, dev) == 0)
94 * Scan the content of the PCI bus, and call the devinit() function for
95 * all registered drivers that have a matching entry in its id_table
96 * for discovered devices.
99 rte_eal_pci_probe(void)
101 struct rte_pci_device *dev = NULL;
103 TAILQ_FOREACH(dev, &device_list, next)
104 pci_probe_all_drivers(dev);
109 /* dump one device */
111 pci_dump_one_device(struct rte_pci_device *dev)
113 printf(PCI_PRI_FMT, dev->addr.domain, dev->addr.bus,
114 dev->addr.devid, dev->addr.function);
115 printf(" - vendor:%x device:%x\n", dev->id.vendor_id,
117 printf(" %16.16"PRIx64" %16.16"PRIx64"\n",
118 dev->mem_resource.phys_addr, dev->mem_resource.len);
122 /* dump devices on the bus */
124 rte_eal_pci_dump(void)
126 struct rte_pci_device *dev = NULL;
128 TAILQ_FOREACH(dev, &device_list, next) {
129 pci_dump_one_device(dev);
133 /* register a driver */
135 rte_eal_pci_register(struct rte_pci_driver *driver)
137 TAILQ_INSERT_TAIL(&driver_list, driver, next);
141 rte_eal_pci_set_blacklist(struct rte_pci_addr *blacklist, unsigned size)
143 dev_blacklist = blacklist;
144 dev_blacklist_size = size;