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path: root/drivers/scsi/qla2xxx/qla_target.c
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Diffstat (limited to 'drivers/scsi/qla2xxx/qla_target.c')
-rw-r--r--drivers/scsi/qla2xxx/qla_target.c151
1 files changed, 13 insertions, 138 deletions
diff --git a/drivers/scsi/qla2xxx/qla_target.c b/drivers/scsi/qla2xxx/qla_target.c
index fcdc22306cab..83a8f7a9ec76 100644
--- a/drivers/scsi/qla2xxx/qla_target.c
+++ b/drivers/scsi/qla2xxx/qla_target.c
@@ -544,102 +544,6 @@ out_free_id_list:
return res;
}
-static bool qlt_check_fcport_exist(struct scsi_qla_host *vha,
- struct qla_tgt_sess *sess)
-{
- struct qla_hw_data *ha = vha->hw;
- struct qla_port_24xx_data *pmap24;
- bool res, found = false;
- int rc, i;
- uint16_t loop_id = 0xFFFF; /* to eliminate compiler's warning */
- uint16_t entries;
- void *pmap;
- int pmap_len;
- fc_port_t *fcport;
- int global_resets;
- unsigned long flags;
-
-retry:
- global_resets = atomic_read(&ha->tgt.qla_tgt->tgt_global_resets_count);
-
- rc = qla2x00_get_node_name_list(vha, &pmap, &pmap_len);
- if (rc != QLA_SUCCESS) {
- res = false;
- goto out;
- }
-
- pmap24 = pmap;
- entries = pmap_len/sizeof(*pmap24);
-
- for (i = 0; i < entries; ++i) {
- if (!memcmp(sess->port_name, pmap24[i].port_name, WWN_SIZE)) {
- loop_id = le16_to_cpu(pmap24[i].loop_id);
- found = true;
- break;
- }
- }
-
- kfree(pmap);
-
- if (!found) {
- res = false;
- goto out;
- }
-
- ql_dbg(ql_dbg_tgt_mgt, vha, 0xf046,
- "qlt_check_fcport_exist(): loop_id %d", loop_id);
-
- fcport = kzalloc(sizeof(*fcport), GFP_KERNEL);
- if (fcport == NULL) {
- ql_dbg(ql_dbg_tgt_mgt, vha, 0xf047,
- "qla_target(%d): Allocation of tmp FC port failed",
- vha->vp_idx);
- res = false;
- goto out;
- }
-
- fcport->loop_id = loop_id;
-
- rc = qla2x00_get_port_database(vha, fcport, 0);
- if (rc != QLA_SUCCESS) {
- ql_dbg(ql_dbg_tgt_mgt, vha, 0xf048,
- "qla_target(%d): Failed to retrieve fcport "
- "information -- get_port_database() returned %x "
- "(loop_id=0x%04x)", vha->vp_idx, rc, loop_id);
- res = false;
- goto out_free_fcport;
- }
-
- if (global_resets !=
- atomic_read(&ha->tgt.qla_tgt->tgt_global_resets_count)) {
- ql_dbg(ql_dbg_tgt_mgt, vha, 0xf002,
- "qla_target(%d): global reset during session discovery"
- " (counter was %d, new %d), retrying",
- vha->vp_idx, global_resets,
- atomic_read(&ha->tgt.qla_tgt->tgt_global_resets_count));
- goto retry;
- }
-
- ql_dbg(ql_dbg_tgt_mgt, vha, 0xf003,
- "Updating sess %p s_id %x:%x:%x, loop_id %d) to d_id %x:%x:%x, "
- "loop_id %d", sess, sess->s_id.b.domain, sess->s_id.b.al_pa,
- sess->s_id.b.area, sess->loop_id, fcport->d_id.b.domain,
- fcport->d_id.b.al_pa, fcport->d_id.b.area, fcport->loop_id);
-
- spin_lock_irqsave(&ha->hardware_lock, flags);
- ha->tgt.tgt_ops->update_sess(sess, fcport->d_id, fcport->loop_id,
- (fcport->flags & FCF_CONF_COMP_SUPPORTED));
- spin_unlock_irqrestore(&ha->hardware_lock, flags);
-
- res = true;
-
-out_free_fcport:
- kfree(fcport);
-
-out:
- return res;
-}
-
/* ha->hardware_lock supposed to be held on entry */
static void qlt_undelete_sess(struct qla_tgt_sess *sess)
{
@@ -663,43 +567,13 @@ static void qlt_del_sess_work_fn(struct delayed_work *work)
sess = list_entry(tgt->del_sess_list.next, typeof(*sess),
del_list_entry);
if (time_after_eq(jiffies, sess->expires)) {
- bool cancel;
-
qlt_undelete_sess(sess);
- spin_unlock_irqrestore(&ha->hardware_lock, flags);
- cancel = qlt_check_fcport_exist(vha, sess);
-
- if (cancel) {
- if (sess->deleted) {
- /*
- * sess was again deleted while we were
- * discovering it
- */
- spin_lock_irqsave(&ha->hardware_lock,
- flags);
- continue;
- }
-
- ql_dbg(ql_dbg_tgt_mgt, vha, 0xf049,
- "qla_target(%d): cancel deletion of "
- "session for port %02x:%02x:%02x:%02x:%02x:"
- "%02x:%02x:%02x (loop ID %d), because "
- " it isn't deleted by firmware",
- vha->vp_idx, sess->port_name[0],
- sess->port_name[1], sess->port_name[2],
- sess->port_name[3], sess->port_name[4],
- sess->port_name[5], sess->port_name[6],
- sess->port_name[7], sess->loop_id);
- } else {
- ql_dbg(ql_dbg_tgt_mgt, vha, 0xf004,
- "Timeout: sess %p about to be deleted\n",
- sess);
- ha->tgt.tgt_ops->shutdown_sess(sess);
- ha->tgt.tgt_ops->put_sess(sess);
- }
-
- spin_lock_irqsave(&ha->hardware_lock, flags);
+ ql_dbg(ql_dbg_tgt_mgt, vha, 0xf004,
+ "Timeout: sess %p about to be deleted\n",
+ sess);
+ ha->tgt.tgt_ops->shutdown_sess(sess);
+ ha->tgt.tgt_ops->put_sess(sess);
} else {
schedule_delayed_work(&tgt->sess_del_work,
jiffies - sess->expires);
@@ -884,9 +758,8 @@ void qlt_fc_port_added(struct scsi_qla_host *vha, fc_port_t *fcport)
sess->loop_id);
sess->local = 0;
}
- spin_unlock_irqrestore(&ha->hardware_lock, flags);
-
ha->tgt.tgt_ops->put_sess(sess);
+ spin_unlock_irqrestore(&ha->hardware_lock, flags);
}
void qlt_fc_port_deleted(struct scsi_qla_host *vha, fc_port_t *fcport)
@@ -2706,7 +2579,9 @@ static void qlt_do_work(struct work_struct *work)
/*
* Drop extra session reference from qla_tgt_handle_cmd_for_atio*(
*/
+ spin_lock_irqsave(&ha->hardware_lock, flags);
ha->tgt.tgt_ops->put_sess(sess);
+ spin_unlock_irqrestore(&ha->hardware_lock, flags);
return;
out_term:
@@ -2718,9 +2593,9 @@ out_term:
spin_lock_irqsave(&ha->hardware_lock, flags);
qlt_send_term_exchange(vha, NULL, &cmd->atio, 1);
kmem_cache_free(qla_tgt_cmd_cachep, cmd);
- spin_unlock_irqrestore(&ha->hardware_lock, flags);
if (sess)
ha->tgt.tgt_ops->put_sess(sess);
+ spin_unlock_irqrestore(&ha->hardware_lock, flags);
}
/* ha->hardware_lock supposed to be held on entry */
@@ -4169,16 +4044,16 @@ static void qlt_abort_work(struct qla_tgt *tgt,
rc = __qlt_24xx_handle_abts(vha, &prm->abts, sess);
if (rc != 0)
goto out_term;
- spin_unlock_irqrestore(&ha->hardware_lock, flags);
ha->tgt.tgt_ops->put_sess(sess);
+ spin_unlock_irqrestore(&ha->hardware_lock, flags);
return;
out_term:
qlt_24xx_send_abts_resp(vha, &prm->abts, FCP_TMF_REJECTED, false);
- spin_unlock_irqrestore(&ha->hardware_lock, flags);
if (sess)
ha->tgt.tgt_ops->put_sess(sess);
+ spin_unlock_irqrestore(&ha->hardware_lock, flags);
}
static void qlt_tmr_work(struct qla_tgt *tgt,
@@ -4226,16 +4101,16 @@ static void qlt_tmr_work(struct qla_tgt *tgt,
rc = qlt_issue_task_mgmt(sess, unpacked_lun, fn, iocb, 0);
if (rc != 0)
goto out_term;
- spin_unlock_irqrestore(&ha->hardware_lock, flags);
ha->tgt.tgt_ops->put_sess(sess);
+ spin_unlock_irqrestore(&ha->hardware_lock, flags);
return;
out_term:
qlt_send_term_exchange(vha, NULL, &prm->tm_iocb2, 1);
- spin_unlock_irqrestore(&ha->hardware_lock, flags);
if (sess)
ha->tgt.tgt_ops->put_sess(sess);
+ spin_unlock_irqrestore(&ha->hardware_lock, flags);
}
static void qlt_sess_work_fn(struct work_struct *work)
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.