2 * $Id: dump.c,v 1.1 1999/01/22 21:05:20 mj Exp $
4 * The PCI Library -- Reading of Bus Dumps
6 * Copyright (c) 1997--1999 Martin Mares <mj@atrey.karlin.mff.cuni.cz>
8 * Can be freely distributed and used under the terms of the GNU GPL.
19 dump_detect(struct pci_access *a)
21 return !!a->method_params[PCI_ACCESS_DUMP];
25 dump_init(struct pci_access *a)
27 char *name = a->method_params[PCI_ACCESS_DUMP];
30 struct pci_dev *dev = NULL;
31 int len, bn, dn, fn, i, j;
34 a->error("dump: File name not given.");
35 if (!(f = fopen(name, "r")))
36 a->error("dump: Cannot open %s: %s", name, strerror(errno));
37 while (fgets(buf, sizeof(buf)-1, f))
39 char *z = strchr(buf, '\n');
41 a->error("dump: line too long or unterminated");
43 if (z >= buf && *z == '\r')
46 if (len >= 8 && buf[2] == ':' && buf[5] == '.' && buf[7] == ' ' &&
47 sscanf(buf, "%x:%x.%d ", &bn, &dn, &fn) == 3)
49 dev = pci_get_dev(a, bn, dn, fn);
50 dev->aux = pci_malloc(a, 256);
51 memset(dev->aux, 0xff, 256);
56 else if (dev && len >= 51 && buf[2] == ':' && buf[3] == ' ' &&
57 sscanf(buf, "%x: ", &i) == 1)
60 while (isspace(z[0]) && isxdigit(z[1]) && isxdigit(z[2]))
63 if (sscanf(z, "%x", &j) != 1 || i >= 256)
64 a->error("dump: Malformed line");
65 ((byte *) dev->aux)[i++] = j;
73 dump_cleanup(struct pci_access * UNUSED a)
78 dump_scan(struct pci_access * UNUSED a)
83 dump_read(struct pci_dev *d, int pos, byte *buf, int len)
87 struct pci_dev *e = d->access->devices;
88 while (e && (e->bus != d->bus || e->dev != d->dev || e->func != d->func))
95 memcpy(buf, (byte *) d->aux + pos, len);
100 dump_write(struct pci_dev * UNUSED d, int UNUSED pos, byte * UNUSED buf, int UNUSED len)
102 d->access->error("Writing to dump files is not supported.");
107 dump_cleanup_dev(struct pci_dev *d)
116 struct pci_methods pm_dump = {
123 pci_generic_fill_info,