[SCSI] qla2xxx: Track total number of ISP aborts.

[linux-2.6] / drivers / scsi / qla2xxx / qla_attr.c

diff --git a/drivers/scsi/qla2xxx/qla_attr.c b/drivers/scsi/qla2xxx/qla_attr.c
index 8dd88fc1244a60e688ed9e18a217707ee3976905..43e400894733986ccd1c4e0da18a0040f518e2c1 100644 (file)
--- a/drivers/scsi/qla2xxx/qla_attr.c
+++ b/drivers/scsi/qla2xxx/qla_attr.c
@@ -809,6 +809,16 @@ qla2x00_optrom_fw_version_show(struct device *dev,
            ha->fw_revision[3]);
 }
 
+static ssize_t
+qla2x00_total_isp_aborts_show(struct device *dev,
+                             struct device_attribute *attr, char *buf)
+{
+       scsi_qla_host_t *ha = shost_priv(class_to_shost(dev));
+
+       return snprintf(buf, PAGE_SIZE, "%d\n",
+           ha->qla_stats.total_isp_aborts);
+}
+
 static DEVICE_ATTR(driver_version, S_IRUGO, qla2x00_drvr_version_show, NULL);
 static DEVICE_ATTR(fw_version, S_IRUGO, qla2x00_fw_version_show, NULL);
 static DEVICE_ATTR(serial_num, S_IRUGO, qla2x00_serial_num_show, NULL);
@@ -831,6 +841,8 @@ static DEVICE_ATTR(optrom_fcode_version, S_IRUGO,
                   qla2x00_optrom_fcode_version_show, NULL);
 static DEVICE_ATTR(optrom_fw_version, S_IRUGO, qla2x00_optrom_fw_version_show,
                   NULL);
+static DEVICE_ATTR(total_isp_aborts, S_IRUGO, qla2x00_total_isp_aborts_show,
+                  NULL);
 
 struct device_attribute *qla2x00_host_attrs[] = {
        &dev_attr_driver_version,
@@ -849,6 +861,7 @@ struct device_attribute *qla2x00_host_attrs[] = {
        &dev_attr_optrom_efi_version,
        &dev_attr_optrom_fcode_version,
        &dev_attr_optrom_fw_version,
+       &dev_attr_total_isp_aborts,
        NULL,
 };
 
@@ -972,26 +985,39 @@ qla2x00_get_starget_port_id(struct scsi_target *starget)
 }
 
 static void
-qla2x00_get_rport_loss_tmo(struct fc_rport *rport)
+qla2x00_set_rport_loss_tmo(struct fc_rport *rport, uint32_t timeout)
 {
-       struct Scsi_Host *host = rport_to_shost(rport);
-       scsi_qla_host_t *ha = shost_priv(host);
-
-       rport->dev_loss_tmo = ha->port_down_retry_count + 5;
+       if (timeout)
+               rport->dev_loss_tmo = timeout;
+       else
+               rport->dev_loss_tmo = 1;
 }
 
 static void
-qla2x00_set_rport_loss_tmo(struct fc_rport *rport, uint32_t timeout)
+qla2x00_dev_loss_tmo_callbk(struct fc_rport *rport)
 {
        struct Scsi_Host *host = rport_to_shost(rport);
-       scsi_qla_host_t *ha = shost_priv(host);
+       fc_port_t *fcport = *(fc_port_t **)rport->dd_data;
+
+       qla2x00_abort_fcport_cmds(fcport);
+
+       /*
+        * Transport has effectively 'deleted' the rport, clear
+        * all local references.
+        */
+       spin_lock_irq(host->host_lock);
+       fcport->rport = NULL;
+       *((fc_port_t **)rport->dd_data) = NULL;
+       spin_unlock_irq(host->host_lock);
+}
 
-       if (timeout)
-               ha->port_down_retry_count = timeout;
-       else
-               ha->port_down_retry_count = 1;
+static void
+qla2x00_terminate_rport_io(struct fc_rport *rport)
+{
+       fc_port_t *fcport = *(fc_port_t **)rport->dd_data;
 
-       rport->dev_loss_tmo = ha->port_down_retry_count + 5;
+       qla2x00_abort_fcport_cmds(fcport);
+       scsi_target_unblock(&rport->dev);
 }
 
 static int
@@ -1248,11 +1274,12 @@ struct fc_function_template qla2xxx_transport_functions = {
        .get_starget_port_id  = qla2x00_get_starget_port_id,
        .show_starget_port_id = 1,
 
-       .get_rport_dev_loss_tmo = qla2x00_get_rport_loss_tmo,
        .set_rport_dev_loss_tmo = qla2x00_set_rport_loss_tmo,
        .show_rport_dev_loss_tmo = 1,
 
        .issue_fc_host_lip = qla2x00_issue_lip,
+       .dev_loss_tmo_callbk = qla2x00_dev_loss_tmo_callbk,
+       .terminate_rport_io = qla2x00_terminate_rport_io,
        .get_fc_host_stats = qla2x00_get_fc_host_stats,
 
        .vport_create = qla24xx_vport_create,
@@ -1291,11 +1318,12 @@ struct fc_function_template qla2xxx_transport_vport_functions = {
        .get_starget_port_id  = qla2x00_get_starget_port_id,
        .show_starget_port_id = 1,
 
-       .get_rport_dev_loss_tmo = qla2x00_get_rport_loss_tmo,
        .set_rport_dev_loss_tmo = qla2x00_set_rport_loss_tmo,
        .show_rport_dev_loss_tmo = 1,
 
        .issue_fc_host_lip = qla2x00_issue_lip,
+       .dev_loss_tmo_callbk = qla2x00_dev_loss_tmo_callbk,
+       .terminate_rport_io = qla2x00_terminate_rport_io,
        .get_fc_host_stats = qla2x00_get_fc_host_stats,
 };