Merge branch 'master'

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