iommu/amd/init.c

3444 static int __init parse_amd_iommu_dump(char *str)
3451 static int __init parse_amd_iommu_intr(char *str)
3453 	for (; *str; ++str) {
3454 		if (strncmp(str, "legacy", 6) == 0) {
3458 		if (strncmp(str, "vapic", 5) == 0) {
3466 static int __init parse_amd_iommu_options(char *str)
3468 	if (!str)
3471 	while (*str) {
3472 		if (strncmp(str, "fullflush", 9) == 0) {
3475 		} else if (strncmp(str, "force_enable", 12) == 0) {
3477 		} else if (strncmp(str, "off", 3) == 0) {
3479 		} else if (strncmp(str, "force_isolation", 15) == 0) {
3481 		} else if (strncmp(str, "pgtbl_v1", 8) == 0) {
3483 		} else if (strncmp(str, "pgtbl_v2", 8) == 0) {
3485 		} else if (strncmp(str, "irtcachedis", 11) == 0) {
3488 			pr_notice("Unknown option - '%s'\n", str);
3491 		str += strcspn(str, ",");
3492 		while (*str == ',')
3493 			str++;
3499 static int __init parse_ivrs_ioapic(char *str)
3505 	if (sscanf(str, "=%d@%x:%x.%x", &id, &bus, &dev, &fn) == 4 ||
3506 	    sscanf(str, "=%d@%x:%x:%x.%x", &id, &seg, &bus, &dev, &fn) == 5)
3509 	if (sscanf(str, "[%d]=%x:%x.%x", &id, &bus, &dev, &fn) == 4 ||
3510 	    sscanf(str, "[%d]=%x:%x:%x.%x", &id, &seg, &bus, &dev, &fn) == 5) {
3512 			str, id, seg, bus, dev, fn);
3516 	pr_err("Invalid command line: ivrs_ioapic%s\n", str);
3522 			str);
3537 static int __init parse_ivrs_hpet(char *str)
3543 	if (sscanf(str, "=%d@%x:%x.%x", &id, &bus, &dev, &fn) == 4 ||
3544 	    sscanf(str, "=%d@%x:%x:%x.%x", &id, &seg, &bus, &dev, &fn) == 5)
3547 	if (sscanf(str, "[%d]=%x:%x.%x", &id, &bus, &dev, &fn) == 4 ||
3548 	    sscanf(str, "[%d]=%x:%x:%x.%x", &id, &seg, &bus, &dev, &fn) == 5) {
3550 			str, id, seg, bus, dev, fn);
3554 	pr_err("Invalid command line: ivrs_hpet%s\n", str);
3560 			str);
3577 static int __init parse_ivrs_acpihid(char *str)
3584 	addr = strchr(str, '@');
3586 		addr = strchr(str, '=');
3595 		if (sscanf(str, "[%x:%x.%x]=%s", &bus, &dev, &fn, acpiid) == 4 ||
3596 		    sscanf(str, "[%x:%x:%x.%x]=%s", &seg, &bus, &dev, &fn, acpiid) == 5) {
3598 				str, acpiid, seg, bus, dev, fn);
3607 	if (strlen(str) > ACPIID_LEN + 1)
3610 	if (sscanf(str, "=%s", acpiid) != 1)
3618 	pr_err("Invalid command line: ivrs_acpihid%s\n", str);