4185205540
This is an artifact from a past design. There is no longer any reason to create an event here - the bdev layer will correctly queue events and call completions on the correct thread. Change-Id: I145dab4046899834c0449ec7380dcbb28215b493 Signed-off-by: Ben Walker <benjamin.walker@intel.com> Reviewed-on: https://review.gerrithub.io/364831 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>
80 lines
2.7 KiB
C
80 lines
2.7 KiB
C
/*-
|
|
* BSD LICENSE
|
|
*
|
|
* Copyright (C) 2008-2012 Daisuke Aoyama <aoyama@peach.ne.jp>.
|
|
* 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 <rte_config.h>
|
|
#include <rte_mempool.h>
|
|
|
|
#include "spdk/log.h"
|
|
#include "iscsi/conn.h"
|
|
#include "iscsi/task.h"
|
|
|
|
static void
|
|
spdk_iscsi_task_free(struct spdk_scsi_task *scsi_task)
|
|
{
|
|
struct spdk_iscsi_task *task = spdk_iscsi_task_from_scsi_task(scsi_task);
|
|
|
|
spdk_iscsi_task_disassociate_pdu(task);
|
|
assert(task->conn->pending_task_cnt > 0);
|
|
task->conn->pending_task_cnt--;
|
|
rte_mempool_put(g_spdk_iscsi.task_pool, (void *)task);
|
|
}
|
|
|
|
struct spdk_iscsi_task *
|
|
spdk_iscsi_task_get(struct spdk_iscsi_conn *conn, struct spdk_iscsi_task *parent,
|
|
spdk_scsi_task_cpl cpl_fn)
|
|
{
|
|
struct spdk_iscsi_task *task;
|
|
int rc;
|
|
|
|
rc = rte_mempool_get(g_spdk_iscsi.task_pool, (void **)&task);
|
|
if ((rc < 0) || !task) {
|
|
SPDK_ERRLOG("Unable to get task\n");
|
|
abort();
|
|
}
|
|
|
|
memset(task, 0, sizeof(*task));
|
|
task->conn = conn;
|
|
assert(conn->pending_task_cnt < UINT32_MAX);
|
|
conn->pending_task_cnt++;
|
|
spdk_scsi_task_construct(&task->scsi,
|
|
cpl_fn,
|
|
spdk_iscsi_task_free,
|
|
parent ? &parent->scsi : NULL);
|
|
if (parent) {
|
|
task->tag = parent->tag;
|
|
}
|
|
|
|
return task;
|
|
}
|