Commit 433a1e7b authored by Seth Howell's avatar Seth Howell Committed by Ben Walker
Browse files

nvmf: add functions for iterating over transports 



Part of a larger series aimed at exposing NVMe-oF transports though rpc
and spdkcli. This is in line with the goal of initializing all NVMe-oF
options on a per-transport basis.

Change-Id: I4f07d58d49b925cf51df3980d2e2161c50169cee
Signed-off-by: default avatarSeth Howell <seth.howell@intel.com>
Reviewed-on: https://review.gerrithub.io/430622


Tested-by: default avatarSPDK CI Jenkins <sys_sgci@intel.com>
Chandler-Test-Pool: SPDK Automated Test System <sys_sgsw@intel.com>
Reviewed-by: default avatarBen Walker <benjamin.walker@intel.com>
Reviewed-by: default avatarJim Harris <james.r.harris@intel.com>
Reviewed-by: default avatarShuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
parent 91420344

include/spdk/nvme.h

+3 −0
Original line number Diff line number Diff line
@@ -192,6 +192,9 @@ enum spdk_nvme_transport_type { 
	SPDK_NVME_TRANSPORT_FC = SPDK_NVMF_TRTYPE_FC,

};



/* typedef added for coding style reasons */

typedef enum spdk_nvme_transport_type spdk_nvme_transport_type_t;



/**

 * NVMe transport identifier.

 *

include/spdk/nvmf.h

+37 −0
Original line number Diff line number Diff line
@@ -747,6 +747,43 @@ int spdk_nvmf_transport_destroy(struct spdk_nvmf_transport *transport); 
struct spdk_nvmf_transport *spdk_nvmf_tgt_get_transport(struct spdk_nvmf_tgt *tgt,

		enum spdk_nvme_transport_type type);



/**

 * Get the first transport registered with the given target

 *

 * \param tgt The NVMe-oF target

 *

 * \return The first transport registered on the target

 */

struct spdk_nvmf_transport *spdk_nvmf_transport_get_first(struct spdk_nvmf_tgt *tgt);



/**

 * Get the next transport in a target's list.

 *

 * \param transport A handle to a transport object

 *

 * \return The next transport associated with the NVMe-oF target

 */

struct spdk_nvmf_transport *spdk_nvmf_transport_get_next(struct spdk_nvmf_transport *transport);



/**

 * Get the opts for a given transport.

 *

 * \param transport The transport to query

 *

 * \return The opts associated with the given transport

 */

const struct spdk_nvmf_transport_opts *spdk_nvmf_get_transport_opts(struct spdk_nvmf_transport

		*transport);



/**

 * Get the transport type for a given transport.

 *

 * \param transport The transport to query

 *

 * \return the transport type for the given transport

 */

spdk_nvme_transport_type_t spdk_nvmf_get_transport_type(struct spdk_nvmf_transport *transport);



/**

 * Function to be called once transport add is complete

 *

lib/nvmf/transport.c

+24 −0
Original line number Diff line number Diff line
@@ -62,6 +62,18 @@ spdk_nvmf_get_transport_ops(enum spdk_nvme_transport_type type) 
	return NULL;

}



const struct spdk_nvmf_transport_opts *

spdk_nvmf_get_transport_opts(struct spdk_nvmf_transport *transport)

{

	return &transport->opts;

}



spdk_nvme_transport_type_t

spdk_nvmf_get_transport_type(struct spdk_nvmf_transport *transport)

{

	return transport->ops->type;

}



struct spdk_nvmf_transport *

spdk_nvmf_transport_create(enum spdk_nvme_transport_type type,

			   struct spdk_nvmf_transport_opts *opts)
@@ -100,6 +112,18 @@ spdk_nvmf_transport_create(enum spdk_nvme_transport_type type, 
	return transport;

}



struct spdk_nvmf_transport *

spdk_nvmf_transport_get_first(struct spdk_nvmf_tgt *tgt)

{

	return TAILQ_FIRST(&tgt->transports);

}



struct spdk_nvmf_transport *

spdk_nvmf_transport_get_next(struct spdk_nvmf_transport *transport)

{

	return TAILQ_NEXT(transport, link);

}



int

spdk_nvmf_transport_destroy(struct spdk_nvmf_transport *transport)

{