LCOV - code coverage report
Current view: top level - lib/iscsi - task.c (source / functions) Hit Total Coverage
Test: ut_cov_unit.info Lines: 0 40 0.0 %
Date: 2024-07-11 06:58:35 Functions: 0 2 0.0 %

          Line data    Source code
       1             : /*   SPDX-License-Identifier: BSD-3-Clause
       2             :  *   Copyright (C) 2008-2012 Daisuke Aoyama <aoyama@peach.ne.jp>.
       3             :  *   Copyright (C) 2016 Intel Corporation.
       4             :  *   All rights reserved.
       5             :  */
       6             : 
       7             : #include "spdk/env.h"
       8             : #include "spdk/log.h"
       9             : #include "iscsi/conn.h"
      10             : #include "iscsi/task.h"
      11             : 
      12             : static void
      13           0 : iscsi_task_free(struct spdk_scsi_task *scsi_task)
      14             : {
      15           0 :         struct spdk_iscsi_task *task = iscsi_task_from_scsi_task(scsi_task);
      16             : 
      17           0 :         if (task->parent) {
      18           0 :                 if (task->scsi.dxfer_dir == SPDK_SCSI_DIR_FROM_DEV) {
      19           0 :                         assert(task->conn->data_in_cnt > 0);
      20           0 :                         task->conn->data_in_cnt--;
      21             :                 }
      22             : 
      23           0 :                 spdk_scsi_task_put(&task->parent->scsi);
      24           0 :                 task->parent = NULL;
      25             :         }
      26             : 
      27           0 :         if (iscsi_task_get_mobj(task)) {
      28           0 :                 iscsi_datapool_put(iscsi_task_get_mobj(task));
      29             :         }
      30             : 
      31           0 :         iscsi_task_disassociate_pdu(task);
      32           0 :         assert(task->conn->pending_task_cnt > 0);
      33           0 :         task->conn->pending_task_cnt--;
      34           0 :         spdk_mempool_put(g_iscsi.task_pool, (void *)task);
      35           0 : }
      36             : 
      37             : struct spdk_iscsi_task *
      38           0 : iscsi_task_get(struct spdk_iscsi_conn *conn, struct spdk_iscsi_task *parent,
      39             :                spdk_scsi_task_cpl cpl_fn)
      40             : {
      41             :         struct spdk_iscsi_task *task;
      42             : 
      43           0 :         task = spdk_mempool_get(g_iscsi.task_pool);
      44           0 :         if (!task) {
      45           0 :                 SPDK_ERRLOG("Unable to get task\n");
      46           0 :                 abort();
      47             :         }
      48             : 
      49           0 :         assert(conn != NULL);
      50           0 :         memset(task, 0, sizeof(*task));
      51           0 :         task->conn = conn;
      52           0 :         assert(conn->pending_task_cnt < UINT32_MAX);
      53           0 :         conn->pending_task_cnt++;
      54           0 :         spdk_scsi_task_construct(&task->scsi,
      55             :                                  cpl_fn,
      56             :                                  iscsi_task_free);
      57           0 :         if (parent) {
      58           0 :                 parent->scsi.ref++;
      59           0 :                 task->parent = parent;
      60           0 :                 task->tag = parent->tag;
      61           0 :                 task->lun_id = parent->lun_id;
      62           0 :                 task->scsi.dxfer_dir = parent->scsi.dxfer_dir;
      63           0 :                 task->scsi.transfer_len = parent->scsi.transfer_len;
      64           0 :                 task->scsi.lun = parent->scsi.lun;
      65           0 :                 task->scsi.cdb = parent->scsi.cdb;
      66           0 :                 task->scsi.target_port = parent->scsi.target_port;
      67           0 :                 task->scsi.initiator_port = parent->scsi.initiator_port;
      68           0 :                 if (task->scsi.dxfer_dir == SPDK_SCSI_DIR_FROM_DEV) {
      69           0 :                         conn->data_in_cnt++;
      70             :                 }
      71             :         }
      72             : 
      73           0 :         return task;
      74             : }

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