2 * $Id: filter.c,v 1.3 2002/03/30 15:39:25 mj Exp $
4 * Linux PCI Library -- Device Filtering
6 * Copyright (c) 1998--2002 Martin Mares <mj@ucw.cz>
8 * Can be freely distributed and used under the terms of the GNU GPL.
17 pci_filter_init(struct pci_access * UNUSED a, struct pci_filter *f)
19 f->bus = f->slot = f->func = -1;
20 f->vendor = f->device = -1;
23 /* Slot filter syntax: [[bus]:][slot][.[func]] */
26 pci_filter_parse_slot(struct pci_filter *f, char *str)
28 char *colon = strchr(str, ':');
29 char *dot = strchr((colon ? colon + 1 : str), '.');
37 if (str[0] && strcmp(str, "*"))
39 long int x = strtol(str, &e, 16);
40 if ((e && *e) || (x < 0 || x > 0xff))
41 return "Invalid bus number";
47 if (mid[0] && strcmp(mid, "*"))
49 long int x = strtol(mid, &e, 16);
50 if ((e && *e) || (x < 0 || x > 0x1f))
51 return "Invalid slot number";
54 if (dot && dot[0] && strcmp(dot, "*"))
56 long int x = strtol(dot, &e, 16);
57 if ((e && *e) || (x < 0 || x > 7))
58 return "Invalid function number";
64 /* ID filter syntax: [vendor]:[device] */
67 pci_filter_parse_id(struct pci_filter *f, char *str)
75 return "':' expected";
77 if (str[0] && strcmp(str, "*"))
79 long int x = strtol(str, &e, 16);
80 if ((e && *e) || (x < 0 || x >= 0xffff))
81 return "Invalid vendor ID";
84 if (s[0] && strcmp(s, "*"))
86 long int x = strtol(s, &e, 16);
87 if ((e && *e) || (x < 0 || x >= 0xffff))
88 return "Invalid device ID";
95 pci_filter_match(struct pci_filter *f, struct pci_dev *d)
97 if ((f->bus >= 0 && f->bus != d->bus) ||
98 (f->slot >= 0 && f->slot != d->dev) ||
99 (f->func >= 0 && f->func != d->func))
101 if (f->device >= 0 || f->vendor >= 0)
103 pci_fill_info(d, PCI_FILL_IDENT);
104 if ((f->device >= 0 && f->device != d->device_id) ||
105 (f->vendor >= 0 && f->vendor != d->vendor_id))