diff options
Diffstat (limited to 'drivers/scsi/qla2xxx/qla_attr.c')
| -rw-r--r-- | drivers/scsi/qla2xxx/qla_attr.c | 111 |
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 |