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| author | Sawan Chandak <sawan.chandak@cavium.com> | 2017-08-24 00:05:16 +0200 |
|---|---|---|
| committer | Martin K. Petersen <martin.petersen@oracle.com> | 2017-08-25 04:29:29 +0200 |
| commit | 92d4408e34667f521cda7192fc8dda3da25d45bc (patch) | |
| tree | b81aed707f5f27d2f7ee963ad20a628e3cbe1a88 /drivers/scsi/qla2xxx/qla_attr.c | |
| parent | scsi: qla2xxx: Remove potential macro parameter side-effect in ql_dump_regs() (diff) | |
| download | linux-92d4408e34667f521cda7192fc8dda3da25d45bc.tar.xz linux-92d4408e34667f521cda7192fc8dda3da25d45bc.zip | |
scsi: qla2xxx: Add support for minimum link speed
Signed-off-by: Sawan Chandak <sawan.chandak@cavium.com>
Signed-off-by: Joe Carnuccio <joe.carnuccio@cavium.com>
Signed-off-by: Himanshu Madhani <himanshu.madhani@cavium.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/scsi/qla2xxx/qla_attr.c')
| -rw-r--r-- | drivers/scsi/qla2xxx/qla_attr.c | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/drivers/scsi/qla2xxx/qla_attr.c b/drivers/scsi/qla2xxx/qla_attr.c index 9d2862233e3c..75c4b312645e 100644 --- a/drivers/scsi/qla2xxx/qla_attr.c +++ b/drivers/scsi/qla2xxx/qla_attr.c @@ -1481,6 +1481,38 @@ qla2x00_pep_version_show(struct device *dev, struct device_attribute *attr, ha->pep_version[0], ha->pep_version[1], ha->pep_version[2]); } +static ssize_t +qla2x00_min_link_speed_show(struct device *dev, struct device_attribute *attr, + char *buf) +{ + scsi_qla_host_t *vha = shost_priv(class_to_shost(dev)); + struct qla_hw_data *ha = vha->hw; + + if (!IS_QLA27XX(ha)) + return scnprintf(buf, PAGE_SIZE, "\n"); + + return scnprintf(buf, PAGE_SIZE, "%s\n", + ha->min_link_speed == 5 ? "32Gps" : + ha->min_link_speed == 4 ? "16Gps" : + ha->min_link_speed == 3 ? "8Gps" : + ha->min_link_speed == 2 ? "4Gps" : + ha->min_link_speed != 0 ? "unknown" : ""); +} + +static ssize_t +qla2x00_max_speed_sup_show(struct device *dev, struct device_attribute *attr, + char *buf) +{ + scsi_qla_host_t *vha = shost_priv(class_to_shost(dev)); + struct qla_hw_data *ha = vha->hw; + + if (!IS_QLA27XX(ha)) + return scnprintf(buf, PAGE_SIZE, "\n"); + + return scnprintf(buf, PAGE_SIZE, "%s\n", + ha->max_speed_sup ? "32Gps" : "16Gps"); +} + 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); @@ -1526,6 +1558,8 @@ static DEVICE_ATTR(allow_cna_fw_dump, S_IRUGO | S_IWUSR, qla2x00_allow_cna_fw_dump_show, qla2x00_allow_cna_fw_dump_store); static DEVICE_ATTR(pep_version, S_IRUGO, qla2x00_pep_version_show, NULL); +static DEVICE_ATTR(min_link_speed, S_IRUGO, qla2x00_min_link_speed_show, NULL); +static DEVICE_ATTR(max_speed_sup, S_IRUGO, qla2x00_max_speed_sup_show, NULL); struct device_attribute *qla2x00_host_attrs[] = { &dev_attr_driver_version, @@ -1560,6 +1594,8 @@ struct device_attribute *qla2x00_host_attrs[] = { &dev_attr_fw_dump_size, &dev_attr_allow_cna_fw_dump, &dev_attr_pep_version, + &dev_attr_min_link_speed, + &dev_attr_max_speed_sup, NULL, }; |