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
71  * @traddr:	The transport-specific TRADDR field for a port on the
73  * @trsvcid:	The transport-specific TRSVCID field for a port on the
75  * @host_traddr: A transport-specific field identifying the NVME host port
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
117  * struct nvmf_transport_ops - used to register a specific
120  *			registration entry to its linked-list internal tree.
121  * @module:             Transport module reference
123  * @required_opts:	sysfs command-line options that must be specified
125  * @allowed_opts:	sysfs command-line options that can be specified
127  * @create_ctrl():	function pointer that points to a non-NVMe
128  *			implementation-specific fabric technology
138  *	   modules .bss section so that a pure module_get on @module
143 	struct module		*module;  member
152 nvmf_ctlr_matches_baseopts(struct nvme_ctrl *ctrl,  in nvmf_ctlr_matches_baseopts()  argument
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()
165 int nvmf_reg_read32(struct nvme_ctrl *ctrl, u32 off, u32 *val);
166 int nvmf_reg_read64(struct nvme_ctrl *ctrl, u32 off, u64 *val);
167 int nvmf_reg_write32(struct nvme_ctrl *ctrl, u32 off, u32 val);
168 int nvmf_connect_admin_queue(struct nvme_ctrl *ctrl);
169 int nvmf_connect_io_queue(struct nvme_ctrl *ctrl, u16 qid, bool poll);
173 int nvmf_get_address(struct nvme_ctrl *ctrl, char *buf, int size);
174 bool nvmf_should_reconnect(struct nvme_ctrl *ctrl);
175 blk_status_t nvmf_fail_nonready_command(struct nvme_ctrl *ctrl,
177 bool __nvmf_check_ready(struct nvme_ctrl *ctrl, struct request *rq,
179 bool nvmf_ip_options_match(struct nvme_ctrl *ctrl,
182 static inline bool nvmf_check_ready(struct nvme_ctrl *ctrl, struct request *rq,  in nvmf_check_ready()  argument
185 	if (likely(ctrl->state == NVME_CTRL_LIVE ||  in nvmf_check_ready()
186 		   ctrl->state == NVME_CTRL_DELETING))  in nvmf_check_ready()
188 	return __nvmf_check_ready(ctrl, rq, queue_live);  in nvmf_check_ready()