1 files changed, 96 insertions, 15 deletions

diff --git a/drivers/scsi/qla2xxx/qla_attr.c b/drivers/scsi/qla2xxx/qla_attr.c
index fc25cd834668..48e460eef05a 100644
--- a/drivers/scsi/qla2xxx/qla_attr.c
+++ b/drivers/scsi/qla2xxx/qla_attr.c
@@ -1,20 +1,8 @@
 /*
- *                  QLOGIC LINUX SOFTWARE
- *
- * QLogic ISP2x00 device driver for Linux 2.6.x
- * Copyright (C) 2003-2005 QLogic Corporation
- * (www.qlogic.com)
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the
- * Free Software Foundation; either version 2, or (at your option) any
- * later version.
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * General Public License for more details.
+ * QLogic Fibre Channel HBA Driver
+ * Copyright (c)  2003-2005 QLogic Corporation
  *
+ * See LICENSE.qla2xxx for copyright and licensing details.
  */
 #include "qla_def.h"
 
@@ -319,6 +307,83 @@ qla2x00_state_show(struct class_device *cdev, char *buf)
         return len;
 }
 
+static ssize_t
+qla2x00_zio_show(struct class_device *cdev, char *buf)
+{
+        scsi_qla_host_t *ha = to_qla_host(class_to_shost(cdev));
+        int len = 0;
+
+        switch (ha->zio_mode) {
+        case QLA_ZIO_MODE_5:
+                len += snprintf(buf + len, PAGE_SIZE-len, "Mode 5\n");
+                break;
+        case QLA_ZIO_MODE_6:
+                len += snprintf(buf + len, PAGE_SIZE-len, "Mode 6\n");
+                break;
+        case QLA_ZIO_DISABLED:
+                len += snprintf(buf + len, PAGE_SIZE-len, "Disabled\n");
+                break;
+        }
+        return len;
+}
+
+static ssize_t
+qla2x00_zio_store(struct class_device *cdev, const char *buf, size_t count)
+{
+        scsi_qla_host_t *ha = to_qla_host(class_to_shost(cdev));
+        int val = 0;
+        uint16_t zio_mode;
+
+        if (sscanf(buf, "%d", &val) != 1)
+                return -EINVAL;
+
+        switch (val) {
+        case 1:
+                zio_mode = QLA_ZIO_MODE_5;
+                break;
+        case 2:
+                zio_mode = QLA_ZIO_MODE_6;
+                break;
+        default:
+                zio_mode = QLA_ZIO_DISABLED;
+                break;
+        }
+
+        /* Update per-hba values and queue a reset. */
+        if (zio_mode != QLA_ZIO_DISABLED || ha->zio_mode != QLA_ZIO_DISABLED) {
+                ha->zio_mode = zio_mode;
+                set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags);
+        }
+        return strlen(buf);
+}
+
+static ssize_t
+qla2x00_zio_timer_show(struct class_device *cdev, char *buf)
+{
+        scsi_qla_host_t *ha = to_qla_host(class_to_shost(cdev));
+
+        return snprintf(buf, PAGE_SIZE, "%d us\n", ha->zio_timer * 100);
+}
+
+static ssize_t
+qla2x00_zio_timer_store(struct class_device *cdev, const char *buf,
+    size_t count)
+{
+        scsi_qla_host_t *ha = to_qla_host(class_to_shost(cdev));
+        int val = 0;
+        uint16_t zio_timer;
+
+        if (sscanf(buf, "%d", &val) != 1)
+                return -EINVAL;
+        if (val > 25500 || val < 100)
+                return -ERANGE;
+
+        zio_timer = (uint16_t)(val / 100);
+        ha->zio_timer = zio_timer;
+
+        return strlen(buf);
+}
+
 static CLASS_DEVICE_ATTR(driver_version, S_IRUGO, qla2x00_drvr_version_show,
         NULL);
 static CLASS_DEVICE_ATTR(fw_version, S_IRUGO, qla2x00_fw_version_show, NULL);
@@ -329,6 +394,10 @@ static CLASS_DEVICE_ATTR(model_name, S_IRUGO, qla2x00_model_name_show, NULL);
 static CLASS_DEVICE_ATTR(model_desc, S_IRUGO, qla2x00_model_desc_show, NULL);
 static CLASS_DEVICE_ATTR(pci_info, S_IRUGO, qla2x00_pci_info_show, NULL);
 static CLASS_DEVICE_ATTR(state, S_IRUGO, qla2x00_state_show, NULL);
+static CLASS_DEVICE_ATTR(zio, S_IRUGO | S_IWUSR, qla2x00_zio_show,
+    qla2x00_zio_store);
+static CLASS_DEVICE_ATTR(zio_timer, S_IRUGO | S_IWUSR, qla2x00_zio_timer_show,
+    qla2x00_zio_timer_store);
 
 struct class_device_attribute *qla2x00_host_attrs[] = {
         &class_device_attr_driver_version,
@@ -340,6 +409,8 @@ struct class_device_attribute *qla2x00_host_attrs[] = {
         &class_device_attr_model_desc,
         &class_device_attr_pci_info,
         &class_device_attr_state,
+        &class_device_attr_zio,
+        &class_device_attr_zio_timer,
         NULL,
 };
 
@@ -432,6 +503,15 @@ qla2x00_set_rport_loss_tmo(struct fc_rport *rport, uint32_t timeout)
         rport->dev_loss_tmo = ha->port_down_retry_count + 5;
 }
 
+static int
+qla2x00_issue_lip(struct Scsi_Host *shost)
+{
+        scsi_qla_host_t *ha = to_qla_host(shost);
+
+        set_bit(LOOP_RESET_NEEDED, &ha->dpc_flags);
+        return 0;
+}
+
 struct fc_function_template qla2xxx_transport_functions = {
 
         .show_host_node_name = 1,
@@ -455,6 +535,7 @@ struct fc_function_template qla2xxx_transport_functions = {
         .set_rport_dev_loss_tmo = qla2x00_set_rport_loss_tmo,
         .show_rport_dev_loss_tmo = 1,
 
+        .issue_fc_host_lip = qla2x00_issue_lip,
 };
 
 void