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()
115 	if (ctrl->opts->mask & NVMF_OPT_HOST_IFACE)  in nvmf_get_address()
117 				(len) ? "," : "", ctrl->opts->host_iface);  in nvmf_get_address()
390 	if (ctrl->opts->disable_sqflow)  in nvmf_connect_admin_queue()
397 	uuid_copy(&data->hostid, &ctrl->opts->host->id);  in nvmf_connect_admin_queue()
399 	strncpy(data->subsysnqn, ctrl->opts->subsysnqn, NVMF_NQN_SIZE);  in nvmf_connect_admin_queue()
400 	strncpy(data->hostnqn, ctrl->opts->host->nqn, NVMF_NQN_SIZE);  in nvmf_connect_admin_queue()
469 	if (ctrl->opts->disable_sqflow)  in nvmf_connect_io_queue()
476 	uuid_copy(&data->hostid, &ctrl->opts->host->id);  in nvmf_connect_io_queue()
478 	strncpy(data->subsysnqn, ctrl->opts->subsysnqn, NVMF_NQN_SIZE);  in nvmf_connect_io_queue()
479 	strncpy(data->hostnqn, ctrl->opts->host->nqn, NVMF_NQN_SIZE);  in nvmf_connect_io_queue()
510 	if (ctrl->opts->max_reconnects == -1 ||  in nvmf_should_reconnect()
511 	    ctrl->nr_reconnects < ctrl->opts->max_reconnects)  in nvmf_should_reconnect()
558 		struct nvmf_ctrl_options *opts)  in nvmf_lookup_transport()  argument
565 		if (strcmp(ops->name, opts->transport) == 0)  in nvmf_lookup_transport()
600 static int nvmf_parse_options(struct nvmf_ctrl_options *opts,  in nvmf_parse_options()  argument
611 	opts->queue_size = NVMF_DEF_QUEUE_SIZE;  in nvmf_parse_options()
612 	opts->nr_io_queues = num_online_cpus();  in nvmf_parse_options()
613 	opts->reconnect_delay = NVMF_DEF_RECONNECT_DELAY;  in nvmf_parse_options()
614 	opts->kato = 0;  in nvmf_parse_options()
615 	opts->duplicate_connect = false;  in nvmf_parse_options()
616 	opts->fast_io_fail_tmo = NVMF_DEF_FAIL_FAST_TMO;  in nvmf_parse_options()
617 	opts->hdr_digest = false;  in nvmf_parse_options()
618 	opts->data_digest = false;  in nvmf_parse_options()
619 	opts->tos = -1; /* < 0 == use transport default */  in nvmf_parse_options()
632 		opts->mask |= token;  in nvmf_parse_options()
640 			kfree(opts->transport);  in nvmf_parse_options()
641 			opts->transport = p;  in nvmf_parse_options()
649 			kfree(opts->subsysnqn);  in nvmf_parse_options()
650 			opts->subsysnqn = p;  in nvmf_parse_options()
651 			nqnlen = strlen(opts->subsysnqn);  in nvmf_parse_options()
654 					opts->subsysnqn, NVMF_NQN_SIZE);  in nvmf_parse_options()
658 			opts->discovery_nqn =  in nvmf_parse_options()
659 				!(strcmp(opts->subsysnqn,  in nvmf_parse_options()
668 			kfree(opts->traddr);  in nvmf_parse_options()
669 			opts->traddr = p;  in nvmf_parse_options()
677 			kfree(opts->trsvcid);  in nvmf_parse_options()
678 			opts->trsvcid = p;  in nvmf_parse_options()
691 			opts->queue_size = token;  in nvmf_parse_options()
703 			if (opts->discovery_nqn) {  in nvmf_parse_options()
708 			opts->nr_io_queues = min_t(unsigned int,  in nvmf_parse_options()
721 			} else if (token == 0 && !opts->discovery_nqn) {  in nvmf_parse_options()
725 			opts->kato = token;  in nvmf_parse_options()
749 			opts->fast_io_fail_tmo = token;  in nvmf_parse_options()
752 			if (opts->host) {  in nvmf_parse_options()
754 				       opts->host->nqn);  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()
805 			kfree(opts->host_iface);  in nvmf_parse_options()
806 			opts->host_iface = p;  in nvmf_parse_options()
824 			opts->duplicate_connect = true;  in nvmf_parse_options()
827 			opts->disable_sqflow = true;  in nvmf_parse_options()
830 			opts->hdr_digest = true;  in nvmf_parse_options()
833 			opts->data_digest = true;  in nvmf_parse_options()
845 			opts->nr_write_queues = token;  in nvmf_parse_options()
857 			opts->nr_poll_queues = token;  in nvmf_parse_options()
873 			opts->tos = token;  in nvmf_parse_options()
876 			opts->discovery_nqn = true;  in nvmf_parse_options()
889 			kfree(opts->dhchap_secret);  in nvmf_parse_options()
890 			opts->dhchap_secret = p;  in nvmf_parse_options()
903 			kfree(opts->dhchap_ctrl_secret);  in nvmf_parse_options()
904 			opts->dhchap_ctrl_secret = p;  in nvmf_parse_options()
914 	if (opts->discovery_nqn) {  in nvmf_parse_options()
915 		opts->nr_io_queues = 0;  in nvmf_parse_options()
916 		opts->nr_write_queues = 0;  in nvmf_parse_options()
917 		opts->nr_poll_queues = 0;  in nvmf_parse_options()
918 		opts->duplicate_connect = true;  in nvmf_parse_options()
920 		if (!opts->kato)  in nvmf_parse_options()
921 			opts->kato = NVME_DEFAULT_KATO;  in nvmf_parse_options()
924 		opts->max_reconnects = -1;  in nvmf_parse_options()
926 		opts->max_reconnects = DIV_ROUND_UP(ctrl_loss_tmo,  in nvmf_parse_options()
927 						opts->reconnect_delay);  in nvmf_parse_options()
928 		if (ctrl_loss_tmo < opts->fast_io_fail_tmo)  in nvmf_parse_options()
930 				opts->fast_io_fail_tmo, ctrl_loss_tmo);  in nvmf_parse_options()
933 	if (!opts->host) {  in nvmf_parse_options()
935 		opts->host = nvmf_default_host;  in nvmf_parse_options()
938 	uuid_copy(&opts->host->id, &hostid);  in nvmf_parse_options()
945 static int nvmf_check_required_opts(struct nvmf_ctrl_options *opts,  in nvmf_check_required_opts()  argument
948 	if ((opts->mask & required_opts) != required_opts) {  in nvmf_check_required_opts()
953 			    !(opt_tokens[i].token & opts->mask)) {  in nvmf_check_required_opts()
966 		struct nvmf_ctrl_options *opts)  in nvmf_ip_options_match()  argument
968 	if (!nvmf_ctlr_matches_baseopts(ctrl, opts) ||  in nvmf_ip_options_match()
969 	    strcmp(opts->traddr, ctrl->opts->traddr) ||  in nvmf_ip_options_match()
970 	    strcmp(opts->trsvcid, ctrl->opts->trsvcid))  in nvmf_ip_options_match()
986 	if ((opts->mask & NVMF_OPT_HOST_TRADDR) &&  in nvmf_ip_options_match()
987 	    (ctrl->opts->mask & NVMF_OPT_HOST_TRADDR)) {  in nvmf_ip_options_match()
988 		if (strcmp(opts->host_traddr, ctrl->opts->host_traddr))  in nvmf_ip_options_match()
990 	} else if ((opts->mask & NVMF_OPT_HOST_TRADDR) ||  in nvmf_ip_options_match()
991 		   (ctrl->opts->mask & NVMF_OPT_HOST_TRADDR)) {  in nvmf_ip_options_match()
995 	if ((opts->mask & NVMF_OPT_HOST_IFACE) &&  in nvmf_ip_options_match()
996 	    (ctrl->opts->mask & NVMF_OPT_HOST_IFACE)) {  in nvmf_ip_options_match()
997 		if (strcmp(opts->host_iface, ctrl->opts->host_iface))  in nvmf_ip_options_match()
999 	} else if ((opts->mask & NVMF_OPT_HOST_IFACE) ||  in nvmf_ip_options_match()
1000 		   (ctrl->opts->mask & NVMF_OPT_HOST_IFACE)) {  in nvmf_ip_options_match()
1008 static int nvmf_check_allowed_opts(struct nvmf_ctrl_options *opts,  in nvmf_check_allowed_opts()  argument
1011 	if (opts->mask & ~allowed_opts) {  in nvmf_check_allowed_opts()
1015 			if ((opt_tokens[i].token & opts->mask) &&  in nvmf_check_allowed_opts()
1028 void nvmf_free_options(struct nvmf_ctrl_options *opts)  in nvmf_free_options()  argument
1030 	nvmf_host_put(opts->host);  in nvmf_free_options()
1031 	kfree(opts->transport);  in nvmf_free_options()
1032 	kfree(opts->traddr);  in nvmf_free_options()
1033 	kfree(opts->trsvcid);  in nvmf_free_options()
1034 	kfree(opts->subsysnqn);  in nvmf_free_options()
1035 	kfree(opts->host_traddr);  in nvmf_free_options()
1036 	kfree(opts->host_iface);  in nvmf_free_options()
1037 	kfree(opts->dhchap_secret);  in nvmf_free_options()
1038 	kfree(opts->dhchap_ctrl_secret);  in nvmf_free_options()
1039 	kfree(opts);  in nvmf_free_options()
1054 	struct nvmf_ctrl_options *opts;  in nvmf_create_ctrl()  local
1059 	opts = kzalloc(sizeof(*opts), GFP_KERNEL);  in nvmf_create_ctrl()
1060 	if (!opts)  in nvmf_create_ctrl()
1063 	ret = nvmf_parse_options(opts, buf);  in nvmf_create_ctrl()
1068 	request_module("nvme-%s", opts->transport);  in nvmf_create_ctrl()
1075 	ret = nvmf_check_required_opts(opts, NVMF_REQUIRED_OPTS);  in nvmf_create_ctrl()
1078 	opts->mask &= ~NVMF_REQUIRED_OPTS;  in nvmf_create_ctrl()
1081 	ops = nvmf_lookup_transport(opts);  in nvmf_create_ctrl()
1084 			opts->transport);  in nvmf_create_ctrl()
1095 	ret = nvmf_check_required_opts(opts, ops->required_opts);  in nvmf_create_ctrl()
1098 	ret = nvmf_check_allowed_opts(opts, NVMF_ALLOWED_OPTS |  in nvmf_create_ctrl()
1103 	ctrl = ops->create_ctrl(dev, opts);  in nvmf_create_ctrl()
1118 	nvmf_free_options(opts);  in nvmf_create_ctrl()