nvme/host/fabrics.h

1 /* SPDX-License-Identifier: GPL-2.0 */
4  * Copyright (c) 2015-2016 HGST, a Western Digital Company.
35  * enum nvmf_parsing_opts - used to define the sysfs parsing options used.
62  * struct nvmf_ctrl_options - Used to hold the options specified
65  *		on adding a NVMe controller.
67  *		better description) that will be used by an NVMe controller
71  * @traddr:	The transport-specific TRADDR field for a port on the
72  *              subsystem which is adding a controller.
73  * @trsvcid:	The transport-specific TRSVCID field for a port on the
74  *              subsystem which is adding a controller.
75  * @host_traddr: A transport-specific field identifying the NVME host port
76  *              to use for the connection to the controller.
78  * @nr_io_queues: Number of controller IO queues that will be established.
80  * @discovery_nqn: indicates if the subsysnqn is the well-known discovery NQN.
81  * @kato:	Keep-alive timeout.
84  *              the controller, (-1) means reconnect forever, zero means remove
86  * @disable_sqflow: disable controller sq flow control
117  * struct nvmf_transport_ops - used to register a specific
120  *			registration entry to its linked-list internal tree.
123  * @required_opts:	sysfs command-line options that must be specified
124  *			when adding a new NVMe controller.
125  * @allowed_opts:	sysfs command-line options that can be specified
126  *			when adding a new NVMe controller.
127  * @create_ctrl():	function pointer that points to a non-NVMe
128  *			implementation-specific fabric technology
130  *			for the purpose of conneciton to an NVMe controller
155 	if (ctrl->state == NVME_CTRL_DELETING ||  in nvmf_ctlr_matches_baseopts()
156 	    ctrl->state == NVME_CTRL_DEAD ||  in nvmf_ctlr_matches_baseopts()
157 	    strcmp(opts->subsysnqn, ctrl->opts->subsysnqn) ||  in nvmf_ctlr_matches_baseopts()
158 	    strcmp(opts->host->nqn, ctrl->opts->host->nqn) ||  in nvmf_ctlr_matches_baseopts()
159 	    memcmp(&opts->host->id, &ctrl->opts->host->id, sizeof(uuid_t)))  in nvmf_ctlr_matches_baseopts()
185 	if (likely(ctrl->state == NVME_CTRL_LIVE ||  in nvmf_check_ready()
186 		   ctrl->state == NVME_CTRL_DELETING))  in nvmf_check_ready()