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path: root/drivers/scsi/qla4xxx/ql4_os.c
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Diffstat (limited to 'drivers/scsi/qla4xxx/ql4_os.c')
-rw-r--r--drivers/scsi/qla4xxx/ql4_os.c40
1 files changed, 27 insertions, 13 deletions
diff --git a/drivers/scsi/qla4xxx/ql4_os.c b/drivers/scsi/qla4xxx/ql4_os.c
index ec9da6ce848..40e3cafb3a9 100644
--- a/drivers/scsi/qla4xxx/ql4_os.c
+++ b/drivers/scsi/qla4xxx/ql4_os.c
@@ -66,6 +66,7 @@ static int qla4xxx_sess_get_param(struct iscsi_cls_session *sess,
66static int qla4xxx_host_get_param(struct Scsi_Host *shost, 66static int qla4xxx_host_get_param(struct Scsi_Host *shost,
67 enum iscsi_host_param param, char *buf); 67 enum iscsi_host_param param, char *buf);
68static void qla4xxx_recovery_timedout(struct iscsi_cls_session *session); 68static void qla4xxx_recovery_timedout(struct iscsi_cls_session *session);
69static enum blk_eh_timer_return qla4xxx_eh_cmd_timed_out(struct scsi_cmnd *sc);
69 70
70/* 71/*
71 * SCSI host template entry points 72 * SCSI host template entry points
@@ -89,6 +90,7 @@ static struct scsi_host_template qla4xxx_driver_template = {
89 .eh_device_reset_handler = qla4xxx_eh_device_reset, 90 .eh_device_reset_handler = qla4xxx_eh_device_reset,
90 .eh_target_reset_handler = qla4xxx_eh_target_reset, 91 .eh_target_reset_handler = qla4xxx_eh_target_reset,
91 .eh_host_reset_handler = qla4xxx_eh_host_reset, 92 .eh_host_reset_handler = qla4xxx_eh_host_reset,
93 .eh_timed_out = qla4xxx_eh_cmd_timed_out,
92 94
93 .slave_configure = qla4xxx_slave_configure, 95 .slave_configure = qla4xxx_slave_configure,
94 .slave_alloc = qla4xxx_slave_alloc, 96 .slave_alloc = qla4xxx_slave_alloc,
@@ -124,6 +126,21 @@ static struct iscsi_transport qla4xxx_iscsi_transport = {
124 126
125static struct scsi_transport_template *qla4xxx_scsi_transport; 127static struct scsi_transport_template *qla4xxx_scsi_transport;
126 128
129static enum blk_eh_timer_return qla4xxx_eh_cmd_timed_out(struct scsi_cmnd *sc)
130{
131 struct iscsi_cls_session *session;
132 struct ddb_entry *ddb_entry;
133
134 session = starget_to_session(scsi_target(sc->device));
135 ddb_entry = session->dd_data;
136
137 /* if we are not logged in then the LLD is going to clean up the cmd */
138 if (atomic_read(&ddb_entry->state) != DDB_STATE_ONLINE)
139 return BLK_EH_RESET_TIMER;
140 else
141 return BLK_EH_NOT_HANDLED;
142}
143
127static void qla4xxx_recovery_timedout(struct iscsi_cls_session *session) 144static void qla4xxx_recovery_timedout(struct iscsi_cls_session *session)
128{ 145{
129 struct ddb_entry *ddb_entry = session->dd_data; 146 struct ddb_entry *ddb_entry = session->dd_data;
@@ -904,18 +921,17 @@ static int qla4xxx_recover_adapter(struct scsi_qla_host *ha,
904 /* Flush any pending ddb changed AENs */ 921 /* Flush any pending ddb changed AENs */
905 qla4xxx_process_aen(ha, FLUSH_DDB_CHANGED_AENS); 922 qla4xxx_process_aen(ha, FLUSH_DDB_CHANGED_AENS);
906 923
924 qla4xxx_flush_active_srbs(ha);
925
907 /* Reset the firmware. If successful, function 926 /* Reset the firmware. If successful, function
908 * returns with ISP interrupts enabled. 927 * returns with ISP interrupts enabled.
909 */ 928 */
910 if (status == QLA_SUCCESS) { 929 DEBUG2(printk("scsi%ld: %s - Performing soft reset..\n",
911 DEBUG2(printk("scsi%ld: %s - Performing soft reset..\n", 930 ha->host_no, __func__));
912 ha->host_no, __func__)); 931 if (ql4xxx_lock_drvr_wait(ha) == QLA_SUCCESS)
913 qla4xxx_flush_active_srbs(ha); 932 status = qla4xxx_soft_reset(ha);
914 if (ql4xxx_lock_drvr_wait(ha) == QLA_SUCCESS) 933 else
915 status = qla4xxx_soft_reset(ha); 934 status = QLA_ERROR;
916 else
917 status = QLA_ERROR;
918 }
919 935
920 /* Flush any pending ddb changed AENs */ 936 /* Flush any pending ddb changed AENs */
921 qla4xxx_process_aen(ha, FLUSH_DDB_CHANGED_AENS); 937 qla4xxx_process_aen(ha, FLUSH_DDB_CHANGED_AENS);
@@ -1527,11 +1543,9 @@ static int qla4xxx_eh_device_reset(struct scsi_cmnd *cmd)
1527{ 1543{
1528 struct scsi_qla_host *ha = to_qla_host(cmd->device->host); 1544 struct scsi_qla_host *ha = to_qla_host(cmd->device->host);
1529 struct ddb_entry *ddb_entry = cmd->device->hostdata; 1545 struct ddb_entry *ddb_entry = cmd->device->hostdata;
1530 struct srb *sp;
1531 int ret = FAILED, stat; 1546 int ret = FAILED, stat;
1532 1547
1533 sp = (struct srb *) cmd->SCp.ptr; 1548 if (!ddb_entry)
1534 if (!sp || !ddb_entry)
1535 return ret; 1549 return ret;
1536 1550
1537 dev_info(&ha->pdev->dev, 1551 dev_info(&ha->pdev->dev,
@@ -1644,7 +1658,7 @@ static int qla4xxx_eh_host_reset(struct scsi_cmnd *cmd)
1644 ha = (struct scsi_qla_host *) cmd->device->host->hostdata; 1658 ha = (struct scsi_qla_host *) cmd->device->host->hostdata;
1645 1659
1646 dev_info(&ha->pdev->dev, 1660 dev_info(&ha->pdev->dev,
1647 "scsi(%ld:%d:%d:%d): ADAPTER RESET ISSUED.\n", ha->host_no, 1661 "scsi(%ld:%d:%d:%d): HOST RESET ISSUED.\n", ha->host_no,
1648 cmd->device->channel, cmd->device->id, cmd->device->lun); 1662 cmd->device->channel, cmd->device->id, cmd->device->lun);
1649 1663
1650 if (qla4xxx_wait_for_hba_online(ha) != QLA_SUCCESS) { 1664 if (qla4xxx_wait_for_hba_online(ha) != QLA_SUCCESS) {