C++ (Cpp) pci_emul_finddev Examples

Example #1

int
pci_parse_slot(char *opt, int legacy)
{
	char *slot, *func, *emul, *config;
	char *str, *cpy;
	int error, snum, fnum;

	error = -1;
	str = cpy = strdup(opt);

        slot = strsep(&str, ",");
        func = NULL;
        if (strchr(slot, ':') != NULL) {
		func = cpy;
		(void) strsep(&func, ":");
        }
	
	emul = strsep(&str, ",");
	config = str;

	if (emul == NULL) {
		pci_parse_slot_usage(opt);
		goto done;
	}

	snum = atoi(slot);
	fnum = func ? atoi(func) : 0;

	if (snum < 0 || snum >= MAXSLOTS || fnum < 0 || fnum >= MAXFUNCS) {
		pci_parse_slot_usage(opt);
		goto done;
	}

	if (pci_slotinfo[snum][fnum].si_name != NULL) {
		fprintf(stderr, "pci slot %d:%d already occupied!\n",
			snum, fnum);
		goto done;
	}

	if (pci_emul_finddev(emul) == NULL) {
		fprintf(stderr, "pci slot %d:%d: unknown device \"%s\"\n",
			snum, fnum, emul);
		goto done;
	}

	error = 0;
	pci_slotinfo[snum][fnum].si_name = emul;
	pci_slotinfo[snum][fnum].si_param = config;
	pci_slotinfo[snum][fnum].si_legacy = legacy;

done:
	if (error)
		free(cpy);

	return (error);
}

Example #2

File: pci_emul.c Project: adonis1104/freebsd

int
pci_parse_slot(char *opt)
{
	struct businfo *bi;
	struct slotinfo *si;
	char *emul, *config, *str, *cp;
	int error, bnum, snum, fnum;

	error = -1;
	str = strdup(opt);

	emul = config = NULL;
	if ((cp = strchr(str, ',')) != NULL) {
		*cp = '\0';
		emul = cp + 1;
		if ((cp = strchr(emul, ',')) != NULL) {
			*cp = '\0';
			config = cp + 1;
		}
	} else {
		pci_parse_slot_usage(opt);
		goto done;
	}

	/* <bus>:<slot>:<func> */
	if (sscanf(str, "%d:%d:%d", &bnum, &snum, &fnum) != 3) {
		bnum = 0;
		/* <slot>:<func> */
		if (sscanf(str, "%d:%d", &snum, &fnum) != 2) {
			fnum = 0;
			/* <slot> */
			if (sscanf(str, "%d", &snum) != 1) {
				snum = -1;
			}
		}
	}

	if (bnum < 0 || bnum >= MAXBUSES || snum < 0 || snum >= MAXSLOTS ||
	    fnum < 0 || fnum >= MAXFUNCS) {
		pci_parse_slot_usage(opt);
		goto done;
	}

	if (pci_businfo[bnum] == NULL)
		pci_businfo[bnum] = calloc(1, sizeof(struct businfo));

	bi = pci_businfo[bnum];
	si = &bi->slotinfo[snum];

	if (si->si_funcs[fnum].fi_name != NULL) {
		fprintf(stderr, "pci slot %d:%d already occupied!\n",
			snum, fnum);
		goto done;
	}

	if (pci_emul_finddev(emul) == NULL) {
		fprintf(stderr, "pci slot %d:%d: unknown device \"%s\"\n",
			snum, fnum, emul);
		goto done;
	}

	error = 0;
	si->si_funcs[fnum].fi_name = emul;
	si->si_funcs[fnum].fi_param = config;

done:
	if (error)
		free(str);

	return (error);
}