107 	if (ctrl->opts->mask & NVMF_OPT_TRADDR)  in nvmf_get_address()
108 		len += scnprintf(buf, size, "traddr=%s", ctrl->opts->traddr);  in nvmf_get_address()
109 	if (ctrl->opts->mask & NVMF_OPT_TRSVCID)  in nvmf_get_address()
111 				(len) ? "," : "", ctrl->opts->trsvcid);  in nvmf_get_address()
112 	if (ctrl->opts->mask & NVMF_OPT_HOST_TRADDR)  in nvmf_get_address()
114 				(len) ? "," : "", ctrl->opts->host_traddr);  in nvmf_get_address()
392 	if (ctrl->opts->disable_sqflow)  in nvmf_connect_admin_queue()
399 	uuid_copy(&data->hostid, &ctrl->opts->host->id);  in nvmf_connect_admin_queue()
401 	strncpy(data->subsysnqn, ctrl->opts->subsysnqn, NVMF_NQN_SIZE);  in nvmf_connect_admin_queue()
402 	strncpy(data->hostnqn, ctrl->opts->host->nqn, NVMF_NQN_SIZE);  in nvmf_connect_admin_queue()
455 	if (ctrl->opts->disable_sqflow)  in nvmf_connect_io_queue()
462 	uuid_copy(&data->hostid, &ctrl->opts->host->id);  in nvmf_connect_io_queue()
464 	strncpy(data->subsysnqn, ctrl->opts->subsysnqn, NVMF_NQN_SIZE);  in nvmf_connect_io_queue()
465 	strncpy(data->hostnqn, ctrl->opts->host->nqn, NVMF_NQN_SIZE);  in nvmf_connect_io_queue()
481 	if (ctrl->opts->max_reconnects == -1 ||  in nvmf_should_reconnect()
482 	    ctrl->nr_reconnects < ctrl->opts->max_reconnects)  in nvmf_should_reconnect()
529 		struct nvmf_ctrl_options *opts)  in nvmf_lookup_transport()  argument
536 		if (strcmp(ops->name, opts->transport) == 0)  in nvmf_lookup_transport()
626 static int nvmf_parse_options(struct nvmf_ctrl_options *opts,  in nvmf_parse_options()  argument
637 	opts->queue_size = NVMF_DEF_QUEUE_SIZE;  in nvmf_parse_options()
638 	opts->nr_io_queues = num_online_cpus();  in nvmf_parse_options()
639 	opts->reconnect_delay = NVMF_DEF_RECONNECT_DELAY;  in nvmf_parse_options()
640 	opts->kato = NVME_DEFAULT_KATO;  in nvmf_parse_options()
641 	opts->duplicate_connect = false;  in nvmf_parse_options()
642 	opts->hdr_digest = false;  in nvmf_parse_options()
643 	opts->data_digest = false;  in nvmf_parse_options()
644 	opts->tos = -1; /* < 0 == use transport default */  in nvmf_parse_options()
657 		opts->mask |= token;  in nvmf_parse_options()
665 			kfree(opts->transport);  in nvmf_parse_options()
666 			opts->transport = p;  in nvmf_parse_options()
674 			kfree(opts->subsysnqn);  in nvmf_parse_options()
675 			opts->subsysnqn = p;  in nvmf_parse_options()
676 			nqnlen = strlen(opts->subsysnqn);  in nvmf_parse_options()
679 					opts->subsysnqn, NVMF_NQN_SIZE);  in nvmf_parse_options()
683 			opts->discovery_nqn =  in nvmf_parse_options()
684 				!(strcmp(opts->subsysnqn,  in nvmf_parse_options()
693 			kfree(opts->traddr);  in nvmf_parse_options()
694 			opts->traddr = p;  in nvmf_parse_options()
702 			kfree(opts->trsvcid);  in nvmf_parse_options()
703 			opts->trsvcid = p;  in nvmf_parse_options()
716 			opts->queue_size = token;  in nvmf_parse_options()
728 			if (opts->discovery_nqn) {  in nvmf_parse_options()
733 			opts->nr_io_queues = min_t(unsigned int,  in nvmf_parse_options()
746 			} else if (token == 0 && !opts->discovery_nqn) {  in nvmf_parse_options()
750 			opts->kato = token;  in nvmf_parse_options()
763 			if (opts->host) {  in nvmf_parse_options()
765 				       opts->host->nqn);  in nvmf_parse_options()
782 			nvmf_host_put(opts->host);  in nvmf_parse_options()
783 			opts->host = nvmf_host_add(p);  in nvmf_parse_options()
785 			if (!opts->host) {  in nvmf_parse_options()
800 			opts->reconnect_delay = token;  in nvmf_parse_options()
808 			kfree(opts->host_traddr);  in nvmf_parse_options()
809 			opts->host_traddr = p;  in nvmf_parse_options()
827 			opts->duplicate_connect = true;  in nvmf_parse_options()
830 			opts->disable_sqflow = true;  in nvmf_parse_options()
833 			opts->hdr_digest = true;  in nvmf_parse_options()
836 			opts->data_digest = true;  in nvmf_parse_options()
848 			opts->nr_write_queues = token;  in nvmf_parse_options()
860 			opts->nr_poll_queues = token;  in nvmf_parse_options()
876 			opts->tos = token;  in nvmf_parse_options()
886 	if (opts->discovery_nqn) {  in nvmf_parse_options()
887 		opts->nr_io_queues = 0;  in nvmf_parse_options()
888 		opts->nr_write_queues = 0;  in nvmf_parse_options()
889 		opts->nr_poll_queues = 0;  in nvmf_parse_options()
890 		opts->duplicate_connect = true;  in nvmf_parse_options()
893 		opts->max_reconnects = -1;  in nvmf_parse_options()
895 		opts->max_reconnects = DIV_ROUND_UP(ctrl_loss_tmo,  in nvmf_parse_options()
896 						opts->reconnect_delay);  in nvmf_parse_options()
898 	if (!opts->host) {  in nvmf_parse_options()
900 		opts->host = nvmf_default_host;  in nvmf_parse_options()
903 	uuid_copy(&opts->host->id, &hostid);  in nvmf_parse_options()
910 static int nvmf_check_required_opts(struct nvmf_ctrl_options *opts,  in nvmf_check_required_opts()  argument
913 	if ((opts->mask & required_opts) != required_opts) {  in nvmf_check_required_opts()
918 			    !(opt_tokens[i].token & opts->mask)) {  in nvmf_check_required_opts()
931 		struct nvmf_ctrl_options *opts)  in nvmf_ip_options_match()  argument
933 	if (!nvmf_ctlr_matches_baseopts(ctrl, opts) ||  in nvmf_ip_options_match()
934 	    strcmp(opts->traddr, ctrl->opts->traddr) ||  in nvmf_ip_options_match()
935 	    strcmp(opts->trsvcid, ctrl->opts->trsvcid))  in nvmf_ip_options_match()
947 	if ((opts->mask & NVMF_OPT_HOST_TRADDR) &&  in nvmf_ip_options_match()
948 	    (ctrl->opts->mask & NVMF_OPT_HOST_TRADDR)) {  in nvmf_ip_options_match()
949 		if (strcmp(opts->host_traddr, ctrl->opts->host_traddr))  in nvmf_ip_options_match()
951 	} else if ((opts->mask & NVMF_OPT_HOST_TRADDR) ||  in nvmf_ip_options_match()
952 		   (ctrl->opts->mask & NVMF_OPT_HOST_TRADDR)) {  in nvmf_ip_options_match()
960 static int nvmf_check_allowed_opts(struct nvmf_ctrl_options *opts,  in nvmf_check_allowed_opts()  argument
963 	if (opts->mask & ~allowed_opts) {  in nvmf_check_allowed_opts()
967 			if ((opt_tokens[i].token & opts->mask) &&  in nvmf_check_allowed_opts()
980 void nvmf_free_options(struct nvmf_ctrl_options *opts)  in nvmf_free_options()  argument
982 	nvmf_host_put(opts->host);  in nvmf_free_options()
983 	kfree(opts->transport);  in nvmf_free_options()
984 	kfree(opts->traddr);  in nvmf_free_options()
985 	kfree(opts->trsvcid);  in nvmf_free_options()
986 	kfree(opts->subsysnqn);  in nvmf_free_options()
987 	kfree(opts->host_traddr);  in nvmf_free_options()
988 	kfree(opts);  in nvmf_free_options()
1001 	struct nvmf_ctrl_options *opts;  in nvmf_create_ctrl()  local
1006 	opts = kzalloc(sizeof(*opts), GFP_KERNEL);  in nvmf_create_ctrl()
1007 	if (!opts)  in nvmf_create_ctrl()
1010 	ret = nvmf_parse_options(opts, buf);  in nvmf_create_ctrl()
1015 	request_module("nvme-%s", opts->transport);  in nvmf_create_ctrl()
1022 	ret = nvmf_check_required_opts(opts, NVMF_REQUIRED_OPTS);  in nvmf_create_ctrl()
1025 	opts->mask &= ~NVMF_REQUIRED_OPTS;  in nvmf_create_ctrl()
1028 	ops = nvmf_lookup_transport(opts);  in nvmf_create_ctrl()
1031 			opts->transport);  in nvmf_create_ctrl()
1042 	ret = nvmf_check_required_opts(opts, ops->required_opts);  in nvmf_create_ctrl()
1045 	ret = nvmf_check_allowed_opts(opts, NVMF_ALLOWED_OPTS |  in nvmf_create_ctrl()
1050 	ctrl = ops->create_ctrl(dev, opts);  in nvmf_create_ctrl()
1065 	nvmf_free_options(opts);  in nvmf_create_ctrl()