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| author | Andrew Vasquez <andrew.vasquez@qlogic.com> | 2010-12-22 03:00:21 +0300 |
|---|---|---|
| committer | James Bottomley <James.Bottomley@suse.de> | 2010-12-24 01:04:37 +0300 |
| commit | 794a5691147652387f4a2ffa890c5c1983e38849 (patch) | |
| tree | 6d64e68ef373bb5c6caa570c7edb022e2d5185e3 /drivers/scsi/qla2xxx/qla_attr.c | |
| parent | 10fbb7dd36eb3014fe4b928e596d89e036ee6210 (diff) | |
| download | linux-794a5691147652387f4a2ffa890c5c1983e38849.tar.xz | |
[SCSI] qla2xxx: Add sysfs node for displaying board temperature.
Signed-off-by: Andrew Vasquez <andrew.vasquez@qlogic.com>
Signed-off-by: Madhuranath Iyengar <Madhu.Iyengar@qlogic.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
Diffstat (limited to 'drivers/scsi/qla2xxx/qla_attr.c')
| -rw-r--r-- | drivers/scsi/qla2xxx/qla_attr.c | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/drivers/scsi/qla2xxx/qla_attr.c b/drivers/scsi/qla2xxx/qla_attr.c index bc8194f74625..44578b56ad0a 100644 --- a/drivers/scsi/qla2xxx/qla_attr.c +++ b/drivers/scsi/qla2xxx/qla_attr.c @@ -1309,6 +1309,31 @@ qla2x00_fabric_param_show(struct device *dev, struct device_attribute *attr, } static ssize_t +qla2x00_thermal_temp_show(struct device *dev, + struct device_attribute *attr, char *buf) +{ + scsi_qla_host_t *vha = shost_priv(class_to_shost(dev)); + int rval = QLA_FUNCTION_FAILED; + uint16_t temp, frac; + + if (!vha->hw->flags.thermal_supported) + return snprintf(buf, PAGE_SIZE, "\n"); + + temp = frac = 0; + if (test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags) || + test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags)) + DEBUG2_3_11(printk(KERN_WARNING + "%s(%ld): isp reset in progress.\n", + __func__, vha->host_no)); + else if (!vha->hw->flags.eeh_busy) + rval = qla2x00_get_thermal_temp(vha, &temp, &frac); + if (rval != QLA_SUCCESS) + temp = frac = 0; + + return snprintf(buf, PAGE_SIZE, "%d.%02d\n", temp, frac); +} + +static ssize_t qla2x00_fw_state_show(struct device *dev, struct device_attribute *attr, char *buf) { @@ -1366,6 +1391,7 @@ static DEVICE_ATTR(vn_port_mac_address, S_IRUGO, qla2x00_vn_port_mac_address_show, NULL); static DEVICE_ATTR(fabric_param, S_IRUGO, qla2x00_fabric_param_show, NULL); static DEVICE_ATTR(fw_state, S_IRUGO, qla2x00_fw_state_show, NULL); +static DEVICE_ATTR(thermal_temp, S_IRUGO, qla2x00_thermal_temp_show, NULL); struct device_attribute *qla2x00_host_attrs[] = { &dev_attr_driver_version, @@ -1394,6 +1420,7 @@ struct device_attribute *qla2x00_host_attrs[] = { &dev_attr_fabric_param, &dev_attr_fw_state, &dev_attr_optrom_gold_fw_version, + &dev_attr_thermal_temp, NULL, }; |