115 	if (ctrl->opts->mask & NVMF_OPT_TRADDR)  in nvmf_get_address()
116 		len += snprintf(buf, size, "traddr=%s", ctrl->opts->traddr);  in nvmf_get_address()
117 	if (ctrl->opts->mask & NVMF_OPT_TRSVCID)  in nvmf_get_address()
119 				(len) ? "," : "", ctrl->opts->trsvcid);  in nvmf_get_address()
120 	if (ctrl->opts->mask & NVMF_OPT_HOST_TRADDR)  in nvmf_get_address()
122 				(len) ? "," : "", ctrl->opts->host_traddr);  in nvmf_get_address()
392 	cmd.connect.kato = ctrl->opts->discovery_nqn ? 0 :  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()
458 	uuid_copy(&data->hostid, &ctrl->opts->host->id);  in nvmf_connect_io_queue()
460 	strncpy(data->subsysnqn, ctrl->opts->subsysnqn, NVMF_NQN_SIZE);  in nvmf_connect_io_queue()
461 	strncpy(data->hostnqn, ctrl->opts->host->nqn, NVMF_NQN_SIZE);  in nvmf_connect_io_queue()
477 	if (ctrl->opts->max_reconnects == -1 ||  in nvmf_should_reconnect()
478 	    ctrl->nr_reconnects < ctrl->opts->max_reconnects)  in nvmf_should_reconnect()
525 		struct nvmf_ctrl_options *opts)  in nvmf_lookup_transport()  argument
532 		if (strcmp(ops->name, opts->transport) == 0)  in nvmf_lookup_transport()
610 static int nvmf_parse_options(struct nvmf_ctrl_options *opts,  in nvmf_parse_options()  argument
621 	opts->queue_size = NVMF_DEF_QUEUE_SIZE;  in nvmf_parse_options()
622 	opts->nr_io_queues = num_online_cpus();  in nvmf_parse_options()
623 	opts->reconnect_delay = NVMF_DEF_RECONNECT_DELAY;  in nvmf_parse_options()
624 	opts->kato = NVME_DEFAULT_KATO;  in nvmf_parse_options()
625 	opts->duplicate_connect = false;  in nvmf_parse_options()
638 		opts->mask |= token;  in nvmf_parse_options()
646 			kfree(opts->transport);  in nvmf_parse_options()
647 			opts->transport = p;  in nvmf_parse_options()
655 			kfree(opts->subsysnqn);  in nvmf_parse_options()
656 			opts->subsysnqn = p;  in nvmf_parse_options()
657 			nqnlen = strlen(opts->subsysnqn);  in nvmf_parse_options()
660 					opts->subsysnqn, NVMF_NQN_SIZE);  in nvmf_parse_options()
664 			opts->discovery_nqn =  in nvmf_parse_options()
665 				!(strcmp(opts->subsysnqn,  in nvmf_parse_options()
674 			kfree(opts->traddr);  in nvmf_parse_options()
675 			opts->traddr = p;  in nvmf_parse_options()
683 			kfree(opts->trsvcid);  in nvmf_parse_options()
684 			opts->trsvcid = p;  in nvmf_parse_options()
697 			opts->queue_size = token;  in nvmf_parse_options()
709 			if (opts->discovery_nqn) {  in nvmf_parse_options()
714 			opts->nr_io_queues = min_t(unsigned int,  in nvmf_parse_options()
727 			} else if (token == 0 && !opts->discovery_nqn) {  in nvmf_parse_options()
731 			opts->kato = token;  in nvmf_parse_options()
733 			if (opts->discovery_nqn && opts->kato) {  in nvmf_parse_options()
751 			if (opts->host) {  in nvmf_parse_options()
753 				       opts->host->nqn);  in nvmf_parse_options()
770 			nvmf_host_put(opts->host);  in nvmf_parse_options()
771 			opts->host = nvmf_host_add(p);  in nvmf_parse_options()
773 			if (!opts->host) {  in nvmf_parse_options()
788 			opts->reconnect_delay = token;  in nvmf_parse_options()
796 			kfree(opts->host_traddr);  in nvmf_parse_options()
797 			opts->host_traddr = p;  in nvmf_parse_options()
815 			opts->duplicate_connect = true;  in nvmf_parse_options()
825 	if (opts->discovery_nqn) {  in nvmf_parse_options()
826 		opts->kato = 0;  in nvmf_parse_options()
827 		opts->nr_io_queues = 0;  in nvmf_parse_options()
828 		opts->duplicate_connect = true;  in nvmf_parse_options()
831 		opts->max_reconnects = -1;  in nvmf_parse_options()
833 		opts->max_reconnects = DIV_ROUND_UP(ctrl_loss_tmo,  in nvmf_parse_options()
834 						opts->reconnect_delay);  in nvmf_parse_options()
836 	if (!opts->host) {  in nvmf_parse_options()
838 		opts->host = nvmf_default_host;  in nvmf_parse_options()
841 	uuid_copy(&opts->host->id, &hostid);  in nvmf_parse_options()
848 static int nvmf_check_required_opts(struct nvmf_ctrl_options *opts,  in nvmf_check_required_opts()  argument
851 	if ((opts->mask & required_opts) != required_opts) {  in nvmf_check_required_opts()
856 			    !(opt_tokens[i].token & opts->mask)) {  in nvmf_check_required_opts()
868 static int nvmf_check_allowed_opts(struct nvmf_ctrl_options *opts,  in nvmf_check_allowed_opts()  argument
871 	if (opts->mask & ~allowed_opts) {  in nvmf_check_allowed_opts()
875 			if ((opt_tokens[i].token & opts->mask) &&  in nvmf_check_allowed_opts()
888 void nvmf_free_options(struct nvmf_ctrl_options *opts)  in nvmf_free_options()  argument
890 	nvmf_host_put(opts->host);  in nvmf_free_options()
891 	kfree(opts->transport);  in nvmf_free_options()
892 	kfree(opts->traddr);  in nvmf_free_options()
893 	kfree(opts->trsvcid);  in nvmf_free_options()
894 	kfree(opts->subsysnqn);  in nvmf_free_options()
895 	kfree(opts->host_traddr);  in nvmf_free_options()
896 	kfree(opts);  in nvmf_free_options()
908 	struct nvmf_ctrl_options *opts;  in nvmf_create_ctrl()  local
913 	opts = kzalloc(sizeof(*opts), GFP_KERNEL);  in nvmf_create_ctrl()
914 	if (!opts)  in nvmf_create_ctrl()
917 	ret = nvmf_parse_options(opts, buf);  in nvmf_create_ctrl()
922 	request_module("nvme-%s", opts->transport);  in nvmf_create_ctrl()
929 	ret = nvmf_check_required_opts(opts, NVMF_REQUIRED_OPTS);  in nvmf_create_ctrl()
932 	opts->mask &= ~NVMF_REQUIRED_OPTS;  in nvmf_create_ctrl()
935 	ops = nvmf_lookup_transport(opts);  in nvmf_create_ctrl()
938 			opts->transport);  in nvmf_create_ctrl()
949 	ret = nvmf_check_required_opts(opts, ops->required_opts);  in nvmf_create_ctrl()
952 	ret = nvmf_check_allowed_opts(opts, NVMF_ALLOWED_OPTS |  in nvmf_create_ctrl()
957 	ctrl = ops->create_ctrl(dev, opts);  in nvmf_create_ctrl()
972 	nvmf_free_options(opts);  in nvmf_create_ctrl()