Commit b1daf62b authored by Seth Howell's avatar Seth Howell Committed by Tomasz Zawadzki
Browse files

nvme: add internal function to iterate over transports. 



This will come in handy in the new poll group API.

Change-Id: I9cf14082270b28b35f4a440c5cb2471c81e374ba
Signed-off-by: default avatarSeth Howell <seth.howell@intel.com>
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/578


Reviewed-by: default avatarJim Harris <james.r.harris@intel.com>
Reviewed-by: default avatarShuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
Reviewed-by: default avatarAleksey Marchuk <alexeymar@mellanox.com>
Tested-by: default avatarSPDK CI Jenkins <sys_sgci@intel.com>
parent 19260848

lib/nvme/nvme_internal.h

+3 −0
Original line number Diff line number Diff line
@@ -1121,6 +1121,9 @@ struct spdk_nvme_ctrlr *spdk_nvme_get_ctrlr_by_trid_unsafe( 
	const struct spdk_nvme_transport_id *trid);



const struct spdk_nvme_transport *nvme_get_transport(const char *transport_name);

const struct spdk_nvme_transport *nvme_get_first_transport(void);

const struct spdk_nvme_transport *nvme_get_next_transport(const struct spdk_nvme_transport

		*transport);



/* Transport specific functions */

struct spdk_nvme_ctrlr *nvme_transport_ctrlr_construct(const struct spdk_nvme_transport_id *trid,

lib/nvme/nvme_transport.c

+12 −0
Original line number Diff line number Diff line
@@ -46,6 +46,18 @@ struct spdk_nvme_transport { 
TAILQ_HEAD(nvme_transport_list, spdk_nvme_transport) g_spdk_nvme_transports =

	TAILQ_HEAD_INITIALIZER(g_spdk_nvme_transports);



const struct spdk_nvme_transport *

nvme_get_first_transport(void)

{

	return TAILQ_FIRST(&g_spdk_nvme_transports);

}



const struct spdk_nvme_transport *

nvme_get_next_transport(const struct spdk_nvme_transport *transport)

{

	return TAILQ_NEXT(transport, link);

}



/*

 * Unfortunately, due to NVMe PCIe multiprocess support, we cannot store the

 * transport object in either the controller struct or the admin qpair. THis means