2 * The PCI Library -- Device Filtering
4 * Copyright (c) 1998--2003 Martin Mares <mj@ucw.cz>
6 * Can be freely distributed and used under the terms of the GNU GPL.
15 pci_filter_init(struct pci_access *a UNUSED, struct pci_filter *f)
17 f->domain = f->bus = f->slot = f->func = -1;
18 f->vendor = f->device = -1;
21 /* Slot filter syntax: [[[domain]:][bus]:][slot][.[func]] */
24 pci_filter_parse_slot(struct pci_filter *f, char *str)
26 char *colon = strrchr(str, ':');
27 char *dot = strchr((colon ? colon + 1 : str), '.');
29 char *e, *bus, *colon2;
35 colon2 = strchr(str, ':');
40 if (str[0] && strcmp(str, "*"))
42 long int x = strtol(str, &e, 16);
43 if ((e && *e) || (x < 0 || x > 0xffff))
44 return "Invalid domain number";
50 if (bus[0] && strcmp(bus, "*"))
52 long int x = strtol(bus, &e, 16);
53 if ((e && *e) || (x < 0 || x > 0xff))
54 return "Invalid bus number";
60 if (mid[0] && strcmp(mid, "*"))
62 long int x = strtol(mid, &e, 16);
63 if ((e && *e) || (x < 0 || x > 0x1f))
64 return "Invalid slot number";
67 if (dot && dot[0] && strcmp(dot, "*"))
69 long int x = strtol(dot, &e, 16);
70 if ((e && *e) || (x < 0 || x > 7))
71 return "Invalid function number";
77 /* ID filter syntax: [vendor]:[device] */
80 pci_filter_parse_id(struct pci_filter *f, char *str)
88 return "':' expected";
90 if (str[0] && strcmp(str, "*"))
92 long int x = strtol(str, &e, 16);
93 if ((e && *e) || (x < 0 || x >= 0xffff))
94 return "Invalid vendor ID";
97 if (s[0] && strcmp(s, "*"))
99 long int x = strtol(s, &e, 16);
100 if ((e && *e) || (x < 0 || x >= 0xffff))
101 return "Invalid device ID";
108 pci_filter_match(struct pci_filter *f, struct pci_dev *d)
110 if ((f->domain >= 0 && f->domain != d->domain) ||
111 (f->bus >= 0 && f->bus != d->bus) ||
112 (f->slot >= 0 && f->slot != d->dev) ||
113 (f->func >= 0 && f->func != d->func))
115 if (f->device >= 0 || f->vendor >= 0)
117 pci_fill_info(d, PCI_FILL_IDENT);
118 if ((f->device >= 0 && f->device != d->device_id) ||
119 (f->vendor >= 0 && f->vendor != d->vendor_id))