Commit a4d666fd authored by Ben Walker's avatar Ben Walker Committed by Jim Harris
Browse files

nvmf: Collapse request.c into ctrlr.c 



request.c didn't have much code, so let's collapse
it into ctrlr.c and make that the place where all
software emulator of the NVMe controller, including
request handling, is done.

Change-Id: Id7c98010cb222a414a5aa0b78bfb299a0ffc418f
Signed-off-by: default avatarBen Walker <benjamin.walker@intel.com>
Reviewed-on: https://review.gerrithub.io/c/440592


Tested-by: default avatarSPDK CI Jenkins <sys_sgci@intel.com>
Chandler-Test-Pool: SPDK Automated Test System <sys_sgsw@intel.com>
Reviewed-by: default avatarShuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
Reviewed-by: default avatarSeth Howell <seth.howell5141@gmail.com>
Reviewed-by: default avatarJim Harris <james.r.harris@intel.com>
parent 1b6b6cc4

lib/nvmf/Makefile

+1 −2
Original line number Diff line number Diff line
@@ -35,8 +35,7 @@ SPDK_ROOT_DIR := $(abspath $(CURDIR)/../..) 
include $(SPDK_ROOT_DIR)/mk/spdk.common.mk



C_SRCS = ctrlr.c ctrlr_discovery.c ctrlr_bdev.c \

	 subsystem.c nvmf.c \

	 request.c transport.c tcp.c

	 subsystem.c nvmf.c transport.c tcp.c



C_SRCS-$(CONFIG_RDMA) += rdma.c

LIBNAME = nvmf

lib/nvmf/ctrlr.c

+144 −0
Original line number Diff line number Diff line
@@ -2015,3 +2015,147 @@ spdk_nvmf_ctrlr_process_io_cmd(struct spdk_nvmf_request *req) 
		return spdk_nvmf_bdev_ctrlr_nvme_passthru_io(bdev, desc, ch, req);

	}

}



static void

spdk_nvmf_qpair_request_cleanup(struct spdk_nvmf_qpair *qpair)

{

	if (qpair->state == SPDK_NVMF_QPAIR_DEACTIVATING) {

		assert(qpair->state_cb != NULL);



		if (TAILQ_EMPTY(&qpair->outstanding)) {

			qpair->state_cb(qpair->state_cb_arg, 0);

		}

	} else {

		assert(qpair->state == SPDK_NVMF_QPAIR_ACTIVE);

	}

}



int

spdk_nvmf_request_free(struct spdk_nvmf_request *req)

{

	struct spdk_nvmf_qpair *qpair = req->qpair;



	TAILQ_REMOVE(&qpair->outstanding, req, link);

	if (spdk_nvmf_transport_req_free(req)) {

		SPDK_ERRLOG("Unable to free transport level request resources.\n");

	}



	spdk_nvmf_qpair_request_cleanup(qpair);



	return 0;

}



int

spdk_nvmf_request_complete(struct spdk_nvmf_request *req)

{

	struct spdk_nvme_cpl *rsp = &req->rsp->nvme_cpl;

	struct spdk_nvmf_qpair *qpair;



	rsp->sqid = 0;

	rsp->status.p = 0;

	rsp->cid = req->cmd->nvme_cmd.cid;



	qpair = req->qpair;



	SPDK_DEBUGLOG(SPDK_LOG_NVMF,

		      "cpl: cid=%u cdw0=0x%08x rsvd1=%u status=0x%04x\n",

		      rsp->cid, rsp->cdw0, rsp->rsvd1,

		      *(uint16_t *)&rsp->status);



	TAILQ_REMOVE(&qpair->outstanding, req, link);

	if (spdk_nvmf_transport_req_complete(req)) {

		SPDK_ERRLOG("Transport request completion error!\n");

	}



	spdk_nvmf_qpair_request_cleanup(qpair);



	return 0;

}



static void

nvmf_trace_command(union nvmf_h2c_msg *h2c_msg, bool is_admin_queue)

{

	struct spdk_nvmf_capsule_cmd *cap_hdr = &h2c_msg->nvmf_cmd;

	struct spdk_nvme_cmd *cmd = &h2c_msg->nvme_cmd;

	struct spdk_nvme_sgl_descriptor *sgl = &cmd->dptr.sgl1;

	uint8_t opc;



	if (cmd->opc == SPDK_NVME_OPC_FABRIC) {

		opc = cap_hdr->fctype;

		SPDK_DEBUGLOG(SPDK_LOG_NVMF, "%s Fabrics cmd: fctype 0x%02x cid %u\n",

			      is_admin_queue ? "Admin" : "I/O",

			      cap_hdr->fctype, cap_hdr->cid);

	} else {

		opc = cmd->opc;

		SPDK_DEBUGLOG(SPDK_LOG_NVMF, "%s cmd: opc 0x%02x fuse %u cid %u nsid %u cdw10 0x%08x\n",

			      is_admin_queue ? "Admin" : "I/O",

			      cmd->opc, cmd->fuse, cmd->cid, cmd->nsid, cmd->cdw10);

		if (cmd->mptr) {

			SPDK_DEBUGLOG(SPDK_LOG_NVMF, "mptr 0x%" PRIx64 "\n", cmd->mptr);

		}

		if (cmd->psdt != SPDK_NVME_PSDT_SGL_MPTR_CONTIG &&

		    cmd->psdt != SPDK_NVME_PSDT_SGL_MPTR_SGL) {

			SPDK_DEBUGLOG(SPDK_LOG_NVMF, "psdt %u\n", cmd->psdt);

		}

	}



	if (spdk_nvme_opc_get_data_transfer(opc) != SPDK_NVME_DATA_NONE) {

		if (sgl->generic.type == SPDK_NVME_SGL_TYPE_KEYED_DATA_BLOCK) {

			SPDK_DEBUGLOG(SPDK_LOG_NVMF,

				      "SGL: Keyed%s: addr 0x%" PRIx64 " key 0x%x len 0x%x\n",

				      sgl->generic.subtype == SPDK_NVME_SGL_SUBTYPE_INVALIDATE_KEY ? " (Inv)" : "",

				      sgl->address, sgl->keyed.key, sgl->keyed.length);

		} else if (sgl->generic.type == SPDK_NVME_SGL_TYPE_DATA_BLOCK) {

			SPDK_DEBUGLOG(SPDK_LOG_NVMF, "SGL: Data block: %s 0x%" PRIx64 " len 0x%x\n",

				      sgl->unkeyed.subtype == SPDK_NVME_SGL_SUBTYPE_OFFSET ? "offs" : "addr",

				      sgl->address, sgl->unkeyed.length);

		} else {

			SPDK_DEBUGLOG(SPDK_LOG_NVMF, "SGL type 0x%x subtype 0x%x\n",

				      sgl->generic.type, sgl->generic.subtype);

		}

	}

}



void

spdk_nvmf_request_exec(struct spdk_nvmf_request *req)

{

	struct spdk_nvmf_qpair *qpair = req->qpair;

	spdk_nvmf_request_exec_status status;



	nvmf_trace_command(req->cmd, spdk_nvmf_qpair_is_admin_queue(qpair));



	if (qpair->state != SPDK_NVMF_QPAIR_ACTIVE) {

		req->rsp->nvme_cpl.status.sct = SPDK_NVME_SCT_GENERIC;

		req->rsp->nvme_cpl.status.sc = SPDK_NVME_SC_COMMAND_SEQUENCE_ERROR;

		/* Place the request on the outstanding list so we can keep track of it */

		TAILQ_INSERT_TAIL(&qpair->outstanding, req, link);

		spdk_nvmf_request_complete(req);

		return;

	}



	/* Check if the subsystem is paused (if there is a subsystem) */

	if (qpair->ctrlr) {

		struct spdk_nvmf_subsystem_poll_group *sgroup = &qpair->group->sgroups[qpair->ctrlr->subsys->id];

		if (sgroup->state != SPDK_NVMF_SUBSYSTEM_ACTIVE) {

			/* The subsystem is not currently active. Queue this request. */

			TAILQ_INSERT_TAIL(&sgroup->queued, req, link);

			return;

		}



	}



	/* Place the request on the outstanding list so we can keep track of it */

	TAILQ_INSERT_TAIL(&qpair->outstanding, req, link);



	if (spdk_unlikely(req->cmd->nvmf_cmd.opcode == SPDK_NVME_OPC_FABRIC)) {

		status = spdk_nvmf_ctrlr_process_fabrics_cmd(req);

	} else if (spdk_unlikely(spdk_nvmf_qpair_is_admin_queue(qpair))) {

		status = spdk_nvmf_ctrlr_process_admin_cmd(req);

	} else {

		status = spdk_nvmf_ctrlr_process_io_cmd(req);

	}



	if (status == SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE) {

		spdk_nvmf_request_complete(req);

	}

}

lib/nvmf/request.c

deleted100644 → 0
+0 −190
Original line number Diff line number Diff line 
/*-

 *   BSD LICENSE

 *

 *   Copyright (c) Intel Corporation.

 *   All rights reserved.

 *

 *   Redistribution and use in source and binary forms, with or without

 *   modification, are permitted provided that the following conditions

 *   are met:

 *

 *     * Redistributions of source code must retain the above copyright

 *       notice, this list of conditions and the following disclaimer.

 *     * Redistributions in binary form must reproduce the above copyright

 *       notice, this list of conditions and the following disclaimer in

 *       the documentation and/or other materials provided with the

 *       distribution.

 *     * Neither the name of Intel Corporation nor the names of its

 *       contributors may be used to endorse or promote products derived

 *       from this software without specific prior written permission.

 *

 *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS

 *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT

 *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR

 *   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT

 *   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,

 *   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT

 *   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,

 *   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY

 *   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT

 *   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE

 *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

 */



#include "spdk/stdinc.h"



#include "nvmf_internal.h"

#include "transport.h"



#include "spdk/thread.h"

#include "spdk/likely.h"

#include "spdk/nvme.h"

#include "spdk/nvmf_spec.h"

#include "spdk/trace.h"



#include "spdk_internal/assert.h"

#include "spdk_internal/log.h"



static void

spdk_nvmf_qpair_request_cleanup(struct spdk_nvmf_qpair *qpair)

{

	if (qpair->state == SPDK_NVMF_QPAIR_DEACTIVATING) {

		assert(qpair->state_cb != NULL);



		if (TAILQ_EMPTY(&qpair->outstanding)) {

			qpair->state_cb(qpair->state_cb_arg, 0);

		}

	} else {

		assert(qpair->state == SPDK_NVMF_QPAIR_ACTIVE);

	}

}



int

spdk_nvmf_request_free(struct spdk_nvmf_request *req)

{

	struct spdk_nvmf_qpair *qpair = req->qpair;



	TAILQ_REMOVE(&qpair->outstanding, req, link);

	if (spdk_nvmf_transport_req_free(req)) {

		SPDK_ERRLOG("Unable to free transport level request resources.\n");

	}



	spdk_nvmf_qpair_request_cleanup(qpair);



	return 0;

}



int

spdk_nvmf_request_complete(struct spdk_nvmf_request *req)

{

	struct spdk_nvme_cpl *rsp = &req->rsp->nvme_cpl;

	struct spdk_nvmf_qpair *qpair;



	rsp->sqid = 0;

	rsp->status.p = 0;

	rsp->cid = req->cmd->nvme_cmd.cid;



	qpair = req->qpair;



	SPDK_DEBUGLOG(SPDK_LOG_NVMF,

		      "cpl: cid=%u cdw0=0x%08x rsvd1=%u status=0x%04x\n",

		      rsp->cid, rsp->cdw0, rsp->rsvd1,

		      *(uint16_t *)&rsp->status);



	TAILQ_REMOVE(&qpair->outstanding, req, link);

	if (spdk_nvmf_transport_req_complete(req)) {

		SPDK_ERRLOG("Transport request completion error!\n");

	}



	spdk_nvmf_qpair_request_cleanup(qpair);



	return 0;

}



static void

nvmf_trace_command(union nvmf_h2c_msg *h2c_msg, bool is_admin_queue)

{

	struct spdk_nvmf_capsule_cmd *cap_hdr = &h2c_msg->nvmf_cmd;

	struct spdk_nvme_cmd *cmd = &h2c_msg->nvme_cmd;

	struct spdk_nvme_sgl_descriptor *sgl = &cmd->dptr.sgl1;

	uint8_t opc;



	if (cmd->opc == SPDK_NVME_OPC_FABRIC) {

		opc = cap_hdr->fctype;

		SPDK_DEBUGLOG(SPDK_LOG_NVMF, "%s Fabrics cmd: fctype 0x%02x cid %u\n",

			      is_admin_queue ? "Admin" : "I/O",

			      cap_hdr->fctype, cap_hdr->cid);

	} else {

		opc = cmd->opc;

		SPDK_DEBUGLOG(SPDK_LOG_NVMF, "%s cmd: opc 0x%02x fuse %u cid %u nsid %u cdw10 0x%08x\n",

			      is_admin_queue ? "Admin" : "I/O",

			      cmd->opc, cmd->fuse, cmd->cid, cmd->nsid, cmd->cdw10);

		if (cmd->mptr) {

			SPDK_DEBUGLOG(SPDK_LOG_NVMF, "mptr 0x%" PRIx64 "\n", cmd->mptr);

		}

		if (cmd->psdt != SPDK_NVME_PSDT_SGL_MPTR_CONTIG &&

		    cmd->psdt != SPDK_NVME_PSDT_SGL_MPTR_SGL) {

			SPDK_DEBUGLOG(SPDK_LOG_NVMF, "psdt %u\n", cmd->psdt);

		}

	}



	if (spdk_nvme_opc_get_data_transfer(opc) != SPDK_NVME_DATA_NONE) {

		if (sgl->generic.type == SPDK_NVME_SGL_TYPE_KEYED_DATA_BLOCK) {

			SPDK_DEBUGLOG(SPDK_LOG_NVMF,

				      "SGL: Keyed%s: addr 0x%" PRIx64 " key 0x%x len 0x%x\n",

				      sgl->generic.subtype == SPDK_NVME_SGL_SUBTYPE_INVALIDATE_KEY ? " (Inv)" : "",

				      sgl->address, sgl->keyed.key, sgl->keyed.length);

		} else if (sgl->generic.type == SPDK_NVME_SGL_TYPE_DATA_BLOCK) {

			SPDK_DEBUGLOG(SPDK_LOG_NVMF, "SGL: Data block: %s 0x%" PRIx64 " len 0x%x\n",

				      sgl->unkeyed.subtype == SPDK_NVME_SGL_SUBTYPE_OFFSET ? "offs" : "addr",

				      sgl->address, sgl->unkeyed.length);

		} else {

			SPDK_DEBUGLOG(SPDK_LOG_NVMF, "SGL type 0x%x subtype 0x%x\n",

				      sgl->generic.type, sgl->generic.subtype);

		}

	}

}



void

spdk_nvmf_request_exec(struct spdk_nvmf_request *req)

{

	struct spdk_nvmf_qpair *qpair = req->qpair;

	spdk_nvmf_request_exec_status status;



	nvmf_trace_command(req->cmd, spdk_nvmf_qpair_is_admin_queue(qpair));



	if (qpair->state != SPDK_NVMF_QPAIR_ACTIVE) {

		req->rsp->nvme_cpl.status.sct = SPDK_NVME_SCT_GENERIC;

		req->rsp->nvme_cpl.status.sc = SPDK_NVME_SC_COMMAND_SEQUENCE_ERROR;

		/* Place the request on the outstanding list so we can keep track of it */

		TAILQ_INSERT_TAIL(&qpair->outstanding, req, link);

		spdk_nvmf_request_complete(req);

		return;

	}



	/* Check if the subsystem is paused (if there is a subsystem) */

	if (qpair->ctrlr) {

		struct spdk_nvmf_subsystem_poll_group *sgroup = &qpair->group->sgroups[qpair->ctrlr->subsys->id];

		if (sgroup->state != SPDK_NVMF_SUBSYSTEM_ACTIVE) {

			/* The subsystem is not currently active. Queue this request. */

			TAILQ_INSERT_TAIL(&sgroup->queued, req, link);

			return;

		}



	}



	/* Place the request on the outstanding list so we can keep track of it */

	TAILQ_INSERT_TAIL(&qpair->outstanding, req, link);



	if (spdk_unlikely(req->cmd->nvmf_cmd.opcode == SPDK_NVME_OPC_FABRIC)) {

		status = spdk_nvmf_ctrlr_process_fabrics_cmd(req);

	} else if (spdk_unlikely(spdk_nvmf_qpair_is_admin_queue(qpair))) {

		status = spdk_nvmf_ctrlr_process_admin_cmd(req);

	} else {

		status = spdk_nvmf_ctrlr_process_io_cmd(req);

	}



	if (status == SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE) {

		spdk_nvmf_request_complete(req);

	}

}

test/unit/lib/nvmf/Makefile

+1 −1
Original line number Diff line number Diff line
@@ -34,7 +34,7 @@ 
SPDK_ROOT_DIR := $(abspath $(CURDIR)/../../../..)

include $(SPDK_ROOT_DIR)/mk/spdk.common.mk



DIRS-y = tcp.c request.c ctrlr.c subsystem.c ctrlr_discovery.c ctrlr_bdev.c

DIRS-y = tcp.c ctrlr.c subsystem.c ctrlr_discovery.c ctrlr_bdev.c



DIRS-$(CONFIG_RDMA) += rdma.c

test/unit/lib/nvmf/ctrlr.c/ctrlr_ut.c

+25 −5
Original line number Diff line number Diff line
@@ -100,11 +100,6 @@ DEFINE_STUB(spdk_nvmf_ctrlr_write_zeroes_supported, 
DEFINE_STUB_V(spdk_nvmf_get_discovery_log_page,

	      (struct spdk_nvmf_tgt *tgt, struct iovec *iov, uint32_t iovcnt, uint64_t offset, uint32_t length));



DEFINE_STUB(spdk_nvmf_request_complete,

	    int,

	    (struct spdk_nvmf_request *req),

	    -1);



DEFINE_STUB(spdk_nvmf_qpair_get_listen_trid,

	    int,

	    (struct spdk_nvmf_qpair *qpair, struct spdk_nvme_transport_id *trid),
@@ -156,6 +151,11 @@ DEFINE_STUB(spdk_nvmf_bdev_ctrlr_nvme_passthru_io, 
	     struct spdk_nvmf_request *req),

	    0);



DEFINE_STUB(spdk_nvmf_transport_req_complete,

	    int,

	    (struct spdk_nvmf_request *req),

	    0);



int

spdk_nvmf_qpair_disconnect(struct spdk_nvmf_qpair *qpair, nvmf_qpair_disconnect_cb cb_fn, void *ctx)

{
@@ -313,6 +313,8 @@ test_connect(void) 
	memset(&qpair, 0, sizeof(qpair));

	qpair.transport = &transport;

	qpair.group = &group;

	qpair.state = SPDK_NVMF_QPAIR_ACTIVE;

	TAILQ_INIT(&qpair.outstanding);



	memset(&connect_data, 0, sizeof(connect_data));

	memcpy(connect_data.hostid, hostid, sizeof(hostid));
@@ -352,6 +354,7 @@ test_connect(void) 


	/* Valid admin connect command */

	memset(&rsp, 0, sizeof(rsp));

	TAILQ_INSERT_TAIL(&qpair.outstanding, &req, link);

	rc = spdk_nvmf_ctrlr_connect(&req);

	poll_threads();

	CU_ASSERT(rc == SPDK_NVMF_REQUEST_EXEC_STATUS_ASYNCHRONOUS);
@@ -365,6 +368,7 @@ test_connect(void) 
	/* Invalid data length */

	memset(&rsp, 0, sizeof(rsp));

	req.length = sizeof(connect_data) - 1;

	TAILQ_INSERT_TAIL(&qpair.outstanding, &req, link);

	rc = spdk_nvmf_ctrlr_connect(&req);

	poll_threads();

	CU_ASSERT(rc == SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE);
@@ -376,6 +380,7 @@ test_connect(void) 
	/* Invalid recfmt */

	memset(&rsp, 0, sizeof(rsp));

	cmd.connect_cmd.recfmt = 1234;

	TAILQ_INSERT_TAIL(&qpair.outstanding, &req, link);

	rc = spdk_nvmf_ctrlr_connect(&req);

	poll_threads();

	CU_ASSERT(rc == SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE);
@@ -387,6 +392,7 @@ test_connect(void) 
	/* Unterminated subnqn */

	memset(&rsp, 0, sizeof(rsp));

	memset(connect_data.subnqn, 'a', sizeof(connect_data.subnqn));

	TAILQ_INSERT_TAIL(&qpair.outstanding, &req, link);

	rc = spdk_nvmf_ctrlr_connect(&req);

	poll_threads();

	CU_ASSERT(rc == SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE);
@@ -400,6 +406,7 @@ test_connect(void) 
	/* Subsystem not found */

	memset(&rsp, 0, sizeof(rsp));

	MOCK_SET(spdk_nvmf_tgt_find_subsystem, NULL);

	TAILQ_INSERT_TAIL(&qpair.outstanding, &req, link);

	rc = spdk_nvmf_ctrlr_connect(&req);

	poll_threads();

	CU_ASSERT(rc == SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE);
@@ -413,6 +420,7 @@ test_connect(void) 
	/* Unterminated hostnqn */

	memset(&rsp, 0, sizeof(rsp));

	memset(connect_data.hostnqn, 'b', sizeof(connect_data.hostnqn));

	TAILQ_INSERT_TAIL(&qpair.outstanding, &req, link);

	rc = spdk_nvmf_ctrlr_connect(&req);

	poll_threads();

	CU_ASSERT(rc == SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE);
@@ -426,6 +434,7 @@ test_connect(void) 
	/* Host not allowed */

	memset(&rsp, 0, sizeof(rsp));

	MOCK_SET(spdk_nvmf_subsystem_host_allowed, false);

	TAILQ_INSERT_TAIL(&qpair.outstanding, &req, link);

	rc = spdk_nvmf_ctrlr_connect(&req);

	poll_threads();

	CU_ASSERT(rc == SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE);
@@ -437,6 +446,7 @@ test_connect(void) 
	/* Invalid sqsize == 0 */

	memset(&rsp, 0, sizeof(rsp));

	cmd.connect_cmd.sqsize = 0;

	TAILQ_INSERT_TAIL(&qpair.outstanding, &req, link);

	rc = spdk_nvmf_ctrlr_connect(&req);

	poll_threads();

	CU_ASSERT(rc == SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE);
@@ -450,6 +460,7 @@ test_connect(void) 
	/* Invalid sqsize > max_queue_depth */

	memset(&rsp, 0, sizeof(rsp));

	cmd.connect_cmd.sqsize = 64;

	TAILQ_INSERT_TAIL(&qpair.outstanding, &req, link);

	rc = spdk_nvmf_ctrlr_connect(&req);

	poll_threads();

	CU_ASSERT(rc == SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE);
@@ -463,6 +474,7 @@ test_connect(void) 
	/* Invalid cntlid for admin queue */

	memset(&rsp, 0, sizeof(rsp));

	connect_data.cntlid = 0x1234;

	TAILQ_INSERT_TAIL(&qpair.outstanding, &req, link);

	rc = spdk_nvmf_ctrlr_connect(&req);

	poll_threads();

	CU_ASSERT(rc == SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE);
@@ -480,6 +492,7 @@ test_connect(void) 
	memset(&rsp, 0, sizeof(rsp));

	MOCK_SET(spdk_nvmf_subsystem_get_ctrlr, &ctrlr);

	cmd.connect_cmd.qid = 1;

	TAILQ_INSERT_TAIL(&qpair.outstanding, &req, link);

	rc = spdk_nvmf_ctrlr_connect(&req);

	poll_threads();

	CU_ASSERT(rc == SPDK_NVMF_REQUEST_EXEC_STATUS_ASYNCHRONOUS);
@@ -490,6 +503,7 @@ test_connect(void) 
	/* Non-existent controller */

	memset(&rsp, 0, sizeof(rsp));

	MOCK_SET(spdk_nvmf_subsystem_get_ctrlr, NULL);

	TAILQ_INSERT_TAIL(&qpair.outstanding, &req, link);

	rc = spdk_nvmf_ctrlr_connect(&req);

	poll_threads();

	CU_ASSERT(rc == SPDK_NVMF_REQUEST_EXEC_STATUS_ASYNCHRONOUS);
@@ -504,6 +518,7 @@ test_connect(void) 
	memset(&rsp, 0, sizeof(rsp));

	subsystem.subtype = SPDK_NVMF_SUBTYPE_DISCOVERY;

	subsystem.state = SPDK_NVMF_SUBSYSTEM_ACTIVE;

	TAILQ_INSERT_TAIL(&qpair.outstanding, &req, link);

	rc = spdk_nvmf_ctrlr_connect(&req);

	poll_threads();

	CU_ASSERT(rc == SPDK_NVMF_REQUEST_EXEC_STATUS_ASYNCHRONOUS);
@@ -517,6 +532,7 @@ test_connect(void) 
	/* I/O connect to disabled controller */

	memset(&rsp, 0, sizeof(rsp));

	ctrlr.vcprop.cc.bits.en = 0;

	TAILQ_INSERT_TAIL(&qpair.outstanding, &req, link);

	rc = spdk_nvmf_ctrlr_connect(&req);

	poll_threads();

	CU_ASSERT(rc == SPDK_NVMF_REQUEST_EXEC_STATUS_ASYNCHRONOUS);
@@ -530,6 +546,7 @@ test_connect(void) 
	/* I/O connect with invalid IOSQES */

	memset(&rsp, 0, sizeof(rsp));

	ctrlr.vcprop.cc.bits.iosqes = 3;

	TAILQ_INSERT_TAIL(&qpair.outstanding, &req, link);

	rc = spdk_nvmf_ctrlr_connect(&req);

	poll_threads();

	CU_ASSERT(rc == SPDK_NVMF_REQUEST_EXEC_STATUS_ASYNCHRONOUS);
@@ -543,6 +560,7 @@ test_connect(void) 
	/* I/O connect with invalid IOCQES */

	memset(&rsp, 0, sizeof(rsp));

	ctrlr.vcprop.cc.bits.iocqes = 3;

	TAILQ_INSERT_TAIL(&qpair.outstanding, &req, link);

	rc = spdk_nvmf_ctrlr_connect(&req);

	poll_threads();

	CU_ASSERT(rc == SPDK_NVMF_REQUEST_EXEC_STATUS_ASYNCHRONOUS);
@@ -558,6 +576,7 @@ test_connect(void) 
	spdk_bit_array_set(ctrlr.qpair_mask, 0);

	spdk_bit_array_set(ctrlr.qpair_mask, 1);

	spdk_bit_array_set(ctrlr.qpair_mask, 2);

	TAILQ_INSERT_TAIL(&qpair.outstanding, &req, link);

	rc = spdk_nvmf_ctrlr_connect(&req);

	poll_threads();

	CU_ASSERT(rc == SPDK_NVMF_REQUEST_EXEC_STATUS_ASYNCHRONOUS);
@@ -575,6 +594,7 @@ test_connect(void) 
	qpair2.qid = 1;

	spdk_bit_array_set(ctrlr.qpair_mask, 1);

	cmd.connect_cmd.qid = 1;

	TAILQ_INSERT_TAIL(&qpair.outstanding, &req, link);

	rc = spdk_nvmf_ctrlr_connect(&req);

	poll_threads();

	CU_ASSERT(rc == SPDK_NVMF_REQUEST_EXEC_STATUS_ASYNCHRONOUS);