This helps enforce uniqueness of the subsystem id and
allows for quick lookup by that id.
Change-Id: I4d2948892839d42b8c2b2a406682848415ad2bd6
Signed-off-by: Ben Walker <benjamin.walker@intel.com>
Reviewed-on: https://review.gerrithub.io/376251
Tested-by: SPDK Automated Test System <sys_sgsw@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Reviewed-by: Daniel Verkamp <daniel.verkamp@intel.com>
These are not used in the current code.
We introduced the concept of a subsystem ID to prepare for a future
scaling strategy, but the poll group scaling strategy turns out to
not need subsystem IDs.
Change-Id: Ibd27cc0d446c7cda34db76787e1e9c233c399f44
Signed-off-by: Daniel Verkamp <daniel.verkamp@intel.com>
Reviewed-on: https://review.gerrithub.io/378015
Reviewed-by: Changpeng Liu <changpeng.liu@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
Reviewed-by: Ziye Yang <optimistyzy@gmail.com>
Tested-by: SPDK Automated Test System <sys_sgsw@intel.com>
Previously we made cntlid globally unique as part of
a strategy for scaling connections that never panned
out. Now, we have a new strategy and don't need cntlid
to be globally unique, so relax the restrictions
and simplify the code.
Change-Id: I167772f5e7d37183715bf9967b0102529144bb2b
Signed-off-by: Ben Walker <benjamin.walker@intel.com>
Reviewed-on: https://review.gerrithub.io/376250
Tested-by: SPDK Automated Test System <sys_sgsw@intel.com>
Reviewed-by: Daniel Verkamp <daniel.verkamp@intel.com>
The NVMe-oF 1.0 spec says:
"The NVM subsystem shall not allocate a Controller ID in the range FFF0h
to FFFFh as a valid Controller ID"
Change-Id: If0b7dc4948e40b3bdf370a1da97199a25d362e71
Signed-off-by: Daniel Verkamp <daniel.verkamp@intel.com>
Reviewed-on: https://review.gerrithub.io/376247
Tested-by: SPDK Automated Test System <sys_sgsw@intel.com>
Reviewed-by: Ziye Yang <optimistyzy@gmail.com>
This is not a public API, so simplify the number
of internal header files where important types
are defined.
Change-Id: I115d0497d37e3cfe399c3a5b2546d20aa4fe24b4
Signed-off-by: Ben Walker <benjamin.walker@intel.com>
Reviewed-on: https://review.gerrithub.io/376249
Reviewed-by: Daniel Verkamp <daniel.verkamp@intel.com>
Tested-by: SPDK Automated Test System <sys_sgsw@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
We are still creating one poll group per controller,
so this isn't particularly useful just yet.
Change-Id: I65c54385bdba587d4b1098629727877970d39277
Signed-off-by: Ben Walker <benjamin.walker@intel.com>
Reviewed-on: https://review.gerrithub.io/376241
Reviewed-by: Daniel Verkamp <daniel.verkamp@intel.com>
Tested-by: SPDK Automated Test System <sys_sgsw@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
This prepares us to fan out I/O qpairs to other cores
Change-Id: I3e9a60226cddf3ccd26b7ad121775ee36f07e6a9
Signed-off-by: Ben Walker <benjamin.walker@intel.com>
Reviewed-on: https://review.gerrithub.io/375480
Tested-by: SPDK Automated Test System <sys_sgsw@intel.com>
Reviewed-by: Daniel Verkamp <daniel.verkamp@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
It isn't referenced directly anywhere but the unit tests, so
now we can remove it entirely.
Change-Id: I92bbf0e15ecffe2fbbdf5eecc29b6ef0e2fd5baf
Signed-off-by: Ben Walker <benjamin.walker@intel.com>
Reviewed-on: https://review.gerrithub.io/375462
Tested-by: SPDK Automated Test System <sys_sgsw@intel.com>
Reviewed-by: Daniel Verkamp <daniel.verkamp@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Everywhere this is used, we can just use
spdk_nvme_transport_id instead.
Change-Id: I407c812cd6a1ca3afcb3d1fe87c7e22183b09d7a
Signed-off-by: Ben Walker <benjamin.walker@intel.com>
Reviewed-on: https://review.gerrithub.io/375461
Tested-by: SPDK Automated Test System <sys_sgsw@intel.com>
Reviewed-by: Daniel Verkamp <daniel.verkamp@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Also, move it to the appropriate compilation unit. Further,
remove use of g_nvmf_tgt.
Shift the function to a new compilation unit as well.
Change-Id: I1a43ff366532b450f00aed54a290fb9eed9bf453
Signed-off-by: Ben Walker <benjamin.walker@intel.com>
Reviewed-on: https://review.gerrithub.io/375455
Tested-by: SPDK Automated Test System <sys_sgsw@intel.com>
Reviewed-by: Daniel Verkamp <daniel.verkamp@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
This matches the name to the behavior and prepares for addition of a new
log macro for "info" log level.
Change-Id: I94ccd49face4309d3368e399528776ab140748c4
Signed-off-by: Daniel Verkamp <daniel.verkamp@intel.com>
Reviewed-on: https://review.gerrithub.io/375833
Tested-by: SPDK Automated Test System <sys_sgsw@intel.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
This function accepts new connections, so use the more
traditional name.
Change-Id: Ie4aaa4b1d6da81f81fa3cd1505e5ac45e157f052
Signed-off-by: Ben Walker <benjamin.walker@intel.com>
Reviewed-on: https://review.gerrithub.io/375205
Tested-by: SPDK Automated Test System <sys_sgsw@intel.com>
Reviewed-by: Daniel Verkamp <daniel.verkamp@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Also, move the implementation into the appropriate
compilation unit.
Change-Id: Ie1c56bc5e077b81d744414716f9267ceaf591e49
Signed-off-by: Ben Walker <benjamin.walker@intel.com>
Reviewed-on: https://review.gerrithub.io/375034
Tested-by: SPDK Automated Test System <sys_sgsw@intel.com>
Reviewed-by: Daniel Verkamp <daniel.verkamp@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
The user can now specify which target they want to
search for the subsystem. Also, change the name to
spdk_nvmf_tgt_find_subsystem and put it in the correct
compilation unit.
Change-Id: I7c085959814c14d8400a0ba2572103b0814a4d0e
Signed-off-by: Ben Walker <benjamin.walker@intel.com>
Reviewed-on: https://review.gerrithub.io/374879
Tested-by: SPDK Automated Test System <sys_sgsw@intel.com>
Reviewed-by: Daniel Verkamp <daniel.verkamp@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
This new function returns a reference to the target
object. This sets the library up to support multiple
targets in the future.
Change-Id: Id803dbcbb166eca33d8d5c381d9db97628606f3e
Signed-off-by: Ben Walker <benjamin.walker@intel.com>
Reviewed-on: https://review.gerrithub.io/374877
Tested-by: SPDK Automated Test System <sys_sgsw@intel.com>
Reviewed-by: Daniel Verkamp <daniel.verkamp@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
The list of options is going to continue to grow, so avoid
constant API churn by adding an options struct.
Change-Id: Ie9e7248281726d4aee42b3519fcf7535ba01ee34
Signed-off-by: Ben Walker <benjamin.walker@intel.com>
Reviewed-on: https://review.gerrithub.io/374872
Tested-by: SPDK Automated Test System <sys_sgsw@intel.com>
Reviewed-by: Daniel Verkamp <daniel.verkamp@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
There are now three simple functions on the transport:
listen(transport, trid)
stop_listen(transport, trid)
accept(transport)
This makes the code quite a bit simpler.
Change-Id: I550343a084b5c095240703952c8c07ae535b5c16
Signed-off-by: Ben Walker <benjamin.walker@intel.com>
Reviewed-on: https://review.gerrithub.io/371774
Reviewed-by: Daniel Verkamp <daniel.verkamp@intel.com>
Tested-by: SPDK Automated Test System <sys_sgsw@intel.com>
Instead of scattering direct calls to the function
callbacks throughout the code, add some wrappers.
This will make some later refactoring marginally
easier.
Change-Id: If735089967e3ce828dcff68f2430e7810bf2f123
Signed-off-by: Ben Walker <benjamin.walker@intel.com>
Reviewed-on: https://review.gerrithub.io/371749
Reviewed-by: Daniel Verkamp <daniel.verkamp@intel.com>
Tested-by: SPDK Automated Test System <sys_sgsw@intel.com>
Create one transport per nvmf target. Today, there is just
one global nvmf target, but this paves the way for multiple.
Change-Id: Iaa1f8c5e7b3c1e87621ef2a636c68c2dd8fd929e
Signed-off-by: Ben Walker <benjamin.walker@intel.com>
Reviewed-on: https://review.gerrithub.io/371748
Reviewed-by: Daniel Verkamp <daniel.verkamp@intel.com>
Tested-by: SPDK Automated Test System <sys_sgsw@intel.com>
Match the terminology used in the NVMe-oF specification,
which is queue pair. For the RDMA transport, this maps to
an RDMA queue pair, but may map to other things for other
transports. It still is logically a "connection" from
a networking sense.
Change-Id: Ic43a5398e63ac85c93a8e0417e4b0d2905bf2dfc
Signed-off-by: Ben Walker <benjamin.walker@intel.com>
Reviewed-on: https://review.gerrithub.io/371747
Tested-by: SPDK Automated Test System <sys_sgsw@intel.com>
Reviewed-by: Daniel Verkamp <daniel.verkamp@intel.com>
This is just a rename - the functionality hasn't changed.
Use the same terminology as the specification (which is controller)
so those familiar with the specification can more easily
approach the code base.
This is still conceptually equivalent to a "session" in the
networking sense.
Change-Id: I388b56df62d19560224c4adc2a03c71eae6fed0d
Signed-off-by: Ben Walker <benjamin.walker@intel.com>
Reviewed-on: https://review.gerrithub.io/371746
Tested-by: SPDK Automated Test System <sys_sgsw@intel.com>
Reviewed-by: Daniel Verkamp <daniel.verkamp@intel.com>
The NVMe-oF target was written before we defined
spdk_nvme_transport_id. Now that we have it, go back
and replace all of the locations where we individually
tracked traddr, trsvcid, trtype, etc. and use a trid.
Change-Id: I84334a12c7581f414c1e84680f122fe885a3b9dd
Signed-off-by: Ben Walker <benjamin.walker@intel.com>
Reviewed-on: https://review.gerrithub.io/370744
Reviewed-by: Daniel Verkamp <daniel.verkamp@intel.com>
Tested-by: SPDK Automated Test System <sys_sgsw@intel.com>
Change-Id: Ie05f58e677107072fea6cc7702bab47a077cb595
Signed-off-by: Ben Walker <benjamin.walker@intel.com>
Reviewed-on: https://review.gerrithub.io/370743
Reviewed-by: Daniel Verkamp <daniel.verkamp@intel.com>
Tested-by: SPDK Automated Test System <sys_sgsw@intel.com>
This allows the user to optionally specify the address family for
construct_nvmf_subsystem (default is IPv4).
Note that the RDMA transport still only supports IPv4 because of the way
it binds to the listen address; this will be fixed in a separate patch.
Change-Id: I534ed75f6f81e53559d1bebcd2f34f1a2b210a97
Signed-off-by: Daniel Verkamp <daniel.verkamp@intel.com>
Reviewed-on: https://review.gerrithub.io/367429
Tested-by: SPDK Automated Test System <sys_sgsw@intel.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
Attempting to add a listen address for an unavailable transport will
fail with a better error message.
Change-Id: If4cf5b66c16dadcb6e0f0b28cea4aa510ba6a9fc
Signed-off-by: Daniel Verkamp <daniel.verkamp@intel.com>
These strings are not modified by the functions they are passed to, so
they can be const char *.
Change-Id: I11532f232990a305d706c14aac1b0f8f93b8f576
Signed-off-by: Daniel Verkamp <daniel.verkamp@intel.com>
When we do frequent same subsystem add/delete,
we will face the adding issue. For example,
1 Add subsystem A
2 Delete subsystem A
3 Add subsystem A (Fail in this step).
The reason is that we did not correctly free
the listener resources of subsystems, and this patch
can solve this issue.
Change-Id: I6765a306a3f10c9a0f38c95dbba12e2a4073e705
Signed-off-by: Ziye Yang <ziye.yang@intel.com>
The SPDK_TRACELOG macro depends on a CONFIG setting (DEBUG), so it
should not be part of the public API.
Create a new include/spdk_internal directory for headers that should
only be used within SPDK, not exported for public use.
Change-Id: I39b90ce57da3270e735ba32210c4b3a3468c460b
Signed-off-by: Daniel Verkamp <daniel.verkamp@intel.com>
This changes as little code as possible while still creating
a single public API header. This enables future clean up
of the public API and clarification of the exposed
concepts.
Change-Id: I780e7a5a9afd27acf0276516bd71b896ad301c50
Signed-off-by: Ben Walker <benjamin.walker@intel.com>
Remove #includes for all DPDK headers that weren't
necessary.
Change-Id: Ib02522e0f04e64a1c98afceb7508cc0e8d931a9d
Signed-off-by: Ben Walker <benjamin.walker@intel.com>
This converts some, but not all, usage of rte_mempool
to spdk_mempool. The remaining rte_mempools use features
we elected not to expose through spdk_mempool such as
constructors, so that will need to be revisited.
Change-Id: I6528809a864ab466b8d19431789bf0f976b648b6
Signed-off-by: Ben Walker <benjamin.walker@intel.com>
Currently the NVMf target listens for new connections on any address.
Instead, listen only on the addresses specified by the user.
Change-Id: Idb6d37c422e442fc70a8673bd3fcfb9c27b57828
Signed-off-by: Changpeng Liu <changpeng.liu@intel.com>
It is no longer needed, since the nvmf_tgt app handles initialization
and shutdown.
Change-Id: I051afe2b4fcbd09b32998386c63f591a0ab343c2
Signed-off-by: Daniel Verkamp <daniel.verkamp@intel.com>
The NVMe over Fabrics target library now exposes a simple function call
that polls the acceptor once, and the application handles registration
of the poller.
Also rename the transport function pointers related to the acceptor so
they better reflect their purpose.
Change-Id: I5fa0d516586bf17e73afeb88ff3c2d5b0d46794d
Signed-off-by: Daniel Verkamp <daniel.verkamp@intel.com>
