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()
387 	if (ctrl->opts->disable_sqflow)  in nvmf_connect_admin_queue()
394 	uuid_copy(&data->hostid, &ctrl->opts->host->id);  in nvmf_connect_admin_queue()
396 	strncpy(data->subsysnqn, ctrl->opts->subsysnqn, NVMF_NQN_SIZE);  in nvmf_connect_admin_queue()
397 	strncpy(data->hostnqn, ctrl->opts->host->nqn, NVMF_NQN_SIZE);  in nvmf_connect_admin_queue()
450 	if (ctrl->opts->disable_sqflow)  in nvmf_connect_io_queue()
457 	uuid_copy(&data->hostid, &ctrl->opts->host->id);  in nvmf_connect_io_queue()
459 	strncpy(data->subsysnqn, ctrl->opts->subsysnqn, NVMF_NQN_SIZE);  in nvmf_connect_io_queue()
460 	strncpy(data->hostnqn, ctrl->opts->host->nqn, NVMF_NQN_SIZE);  in nvmf_connect_io_queue()
476 	if (ctrl->opts->max_reconnects == -1 ||  in nvmf_should_reconnect()
477 	    ctrl->nr_reconnects < ctrl->opts->max_reconnects)  in nvmf_should_reconnect()
524 		struct nvmf_ctrl_options *opts)  in nvmf_lookup_transport()  argument
531 		if (strcmp(ops->name, opts->transport) == 0)  in nvmf_lookup_transport()
621 static int nvmf_parse_options(struct nvmf_ctrl_options *opts,  in nvmf_parse_options()  argument
632 	opts->queue_size = NVMF_DEF_QUEUE_SIZE;  in nvmf_parse_options()
633 	opts->nr_io_queues = num_online_cpus();  in nvmf_parse_options()
634 	opts->reconnect_delay = NVMF_DEF_RECONNECT_DELAY;  in nvmf_parse_options()
635 	opts->kato = NVME_DEFAULT_KATO;  in nvmf_parse_options()
636 	opts->duplicate_connect = false;  in nvmf_parse_options()
637 	opts->hdr_digest = false;  in nvmf_parse_options()
638 	opts->data_digest = false;  in nvmf_parse_options()
639 	opts->tos = -1; /* < 0 == use transport default */  in nvmf_parse_options()
652 		opts->mask |= token;  in nvmf_parse_options()
660 			kfree(opts->transport);  in nvmf_parse_options()
661 			opts->transport = p;  in nvmf_parse_options()
669 			kfree(opts->subsysnqn);  in nvmf_parse_options()
670 			opts->subsysnqn = p;  in nvmf_parse_options()
671 			nqnlen = strlen(opts->subsysnqn);  in nvmf_parse_options()
674 					opts->subsysnqn, NVMF_NQN_SIZE);  in nvmf_parse_options()
678 			opts->discovery_nqn =  in nvmf_parse_options()
679 				!(strcmp(opts->subsysnqn,  in nvmf_parse_options()
688 			kfree(opts->traddr);  in nvmf_parse_options()
689 			opts->traddr = p;  in nvmf_parse_options()
697 			kfree(opts->trsvcid);  in nvmf_parse_options()
698 			opts->trsvcid = p;  in nvmf_parse_options()
711 			opts->queue_size = token;  in nvmf_parse_options()
723 			if (opts->discovery_nqn) {  in nvmf_parse_options()
728 			opts->nr_io_queues = min_t(unsigned int,  in nvmf_parse_options()
741 			} else if (token == 0 && !opts->discovery_nqn) {  in nvmf_parse_options()
745 			opts->kato = token;  in nvmf_parse_options()
758 			if (opts->host) {  in nvmf_parse_options()
760 				       opts->host->nqn);  in nvmf_parse_options()
777 			nvmf_host_put(opts->host);  in nvmf_parse_options()
778 			opts->host = nvmf_host_add(p);  in nvmf_parse_options()
780 			if (!opts->host) {  in nvmf_parse_options()
795 			opts->reconnect_delay = token;  in nvmf_parse_options()
803 			kfree(opts->host_traddr);  in nvmf_parse_options()
804 			opts->host_traddr = p;  in nvmf_parse_options()
822 			opts->duplicate_connect = true;  in nvmf_parse_options()
825 			opts->disable_sqflow = true;  in nvmf_parse_options()
828 			opts->hdr_digest = true;  in nvmf_parse_options()
831 			opts->data_digest = true;  in nvmf_parse_options()
843 			opts->nr_write_queues = token;  in nvmf_parse_options()
855 			opts->nr_poll_queues = token;  in nvmf_parse_options()
871 			opts->tos = token;  in nvmf_parse_options()
881 	if (opts->discovery_nqn) {  in nvmf_parse_options()
882 		opts->nr_io_queues = 0;  in nvmf_parse_options()
883 		opts->nr_write_queues = 0;  in nvmf_parse_options()
884 		opts->nr_poll_queues = 0;  in nvmf_parse_options()
885 		opts->duplicate_connect = true;  in nvmf_parse_options()
888 		opts->max_reconnects = -1;  in nvmf_parse_options()
890 		opts->max_reconnects = DIV_ROUND_UP(ctrl_loss_tmo,  in nvmf_parse_options()
891 						opts->reconnect_delay);  in nvmf_parse_options()
893 	if (!opts->host) {  in nvmf_parse_options()
895 		opts->host = nvmf_default_host;  in nvmf_parse_options()
898 	uuid_copy(&opts->host->id, &hostid);  in nvmf_parse_options()
905 static int nvmf_check_required_opts(struct nvmf_ctrl_options *opts,  in nvmf_check_required_opts()  argument
908 	if ((opts->mask & required_opts) != required_opts) {  in nvmf_check_required_opts()
913 			    !(opt_tokens[i].token & opts->mask)) {  in nvmf_check_required_opts()
926 		struct nvmf_ctrl_options *opts)  in nvmf_ip_options_match()  argument
928 	if (!nvmf_ctlr_matches_baseopts(ctrl, opts) ||  in nvmf_ip_options_match()
929 	    strcmp(opts->traddr, ctrl->opts->traddr) ||  in nvmf_ip_options_match()
930 	    strcmp(opts->trsvcid, ctrl->opts->trsvcid))  in nvmf_ip_options_match()
942 	if ((opts->mask & NVMF_OPT_HOST_TRADDR) &&  in nvmf_ip_options_match()
943 	    (ctrl->opts->mask & NVMF_OPT_HOST_TRADDR)) {  in nvmf_ip_options_match()
944 		if (strcmp(opts->host_traddr, ctrl->opts->host_traddr))  in nvmf_ip_options_match()
946 	} else if ((opts->mask & NVMF_OPT_HOST_TRADDR) ||  in nvmf_ip_options_match()
947 		   (ctrl->opts->mask & NVMF_OPT_HOST_TRADDR)) {  in nvmf_ip_options_match()
955 static int nvmf_check_allowed_opts(struct nvmf_ctrl_options *opts,  in nvmf_check_allowed_opts()  argument
958 	if (opts->mask & ~allowed_opts) {  in nvmf_check_allowed_opts()
962 			if ((opt_tokens[i].token & opts->mask) &&  in nvmf_check_allowed_opts()
975 void nvmf_free_options(struct nvmf_ctrl_options *opts)  in nvmf_free_options()  argument
977 	nvmf_host_put(opts->host);  in nvmf_free_options()
978 	kfree(opts->transport);  in nvmf_free_options()
979 	kfree(opts->traddr);  in nvmf_free_options()
980 	kfree(opts->trsvcid);  in nvmf_free_options()
981 	kfree(opts->subsysnqn);  in nvmf_free_options()
982 	kfree(opts->host_traddr);  in nvmf_free_options()
983 	kfree(opts);  in nvmf_free_options()
996 	struct nvmf_ctrl_options *opts;  in nvmf_create_ctrl()  local
1001 	opts = kzalloc(sizeof(*opts), GFP_KERNEL);  in nvmf_create_ctrl()
1002 	if (!opts)  in nvmf_create_ctrl()
1005 	ret = nvmf_parse_options(opts, buf);  in nvmf_create_ctrl()
1010 	request_module("nvme-%s", opts->transport);  in nvmf_create_ctrl()
1017 	ret = nvmf_check_required_opts(opts, NVMF_REQUIRED_OPTS);  in nvmf_create_ctrl()
1020 	opts->mask &= ~NVMF_REQUIRED_OPTS;  in nvmf_create_ctrl()
1023 	ops = nvmf_lookup_transport(opts);  in nvmf_create_ctrl()
1026 			opts->transport);  in nvmf_create_ctrl()
1037 	ret = nvmf_check_required_opts(opts, ops->required_opts);  in nvmf_create_ctrl()
1040 	ret = nvmf_check_allowed_opts(opts, NVMF_ALLOWED_OPTS |  in nvmf_create_ctrl()
1045 	ctrl = ops->create_ctrl(dev, opts);  in nvmf_create_ctrl()
1060 	nvmf_free_options(opts);  in nvmf_create_ctrl()