diff options
| author | Joe Carnuccio <joe.carnuccio@cavium.com> | 2020-02-12 13:44:14 -0800 |
|---|---|---|
| committer | Martin K. Petersen <martin.petersen@oracle.com> | 2020-02-21 18:31:00 -0500 |
| commit | e6ad2b79b82f41a51f90c95686c39cd8be4a35f3 (patch) | |
| tree | 03f4af0a8e294f1798e9d87be7dedcbca0907252 | |
| parent | 054f4382417098b4d0028f8145fa214d448792d7 (diff) | |
| download | linux-e6ad2b79b82f41a51f90c95686c39cd8be4a35f3.tar.bz2 | |
scsi: qla2xxx: Add sysfs node for D-Port Diagnostics AEN data
This patch adds sysfs node to show D-Port diag data.
Link: https://lore.kernel.org/r/20200212214436.25532-4-hmadhani@marvell.com
Signed-off-by: Joe Carnuccio <joe.carnuccio@cavium.com>
Signed-off-by: Himanshu Madhani <hmadhani@marvell.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
| -rw-r--r-- | drivers/scsi/qla2xxx/qla_attr.c | 21 | ||||
| -rw-r--r-- | drivers/scsi/qla2xxx/qla_def.h | 1 | ||||
| -rw-r--r-- | drivers/scsi/qla2xxx/qla_isr.c | 1 |
3 files changed, 23 insertions, 0 deletions
diff --git a/drivers/scsi/qla2xxx/qla_attr.c b/drivers/scsi/qla2xxx/qla_attr.c index d6a59c92c5a8..401b5ee1f1e6 100644 --- a/drivers/scsi/qla2xxx/qla_attr.c +++ b/drivers/scsi/qla2xxx/qla_attr.c @@ -2323,6 +2323,26 @@ qla2x00_port_no_show(struct device *dev, struct device_attribute *attr, return scnprintf(buf, PAGE_SIZE, "%u\n", vha->hw->port_no); } +static ssize_t +qla2x00_dport_diagnostics_show(struct device *dev, + struct device_attribute *attr, char *buf) +{ + scsi_qla_host_t *vha = shost_priv(class_to_shost(dev)); + + if (!IS_QLA83XX(vha->hw) && !IS_QLA27XX(vha->hw) && + !IS_QLA28XX(vha->hw)) + return scnprintf(buf, PAGE_SIZE, "\n"); + + if (!*vha->dport_data) + return scnprintf(buf, PAGE_SIZE, "\n"); + + return scnprintf(buf, PAGE_SIZE, "%04x %04x %04x %04x\n", + vha->dport_data[0], vha->dport_data[1], + vha->dport_data[2], vha->dport_data[3]); +} +static DEVICE_ATTR(dport_diagnostics, 0444, + qla2x00_dport_diagnostics_show, NULL); + static DEVICE_ATTR(driver_version, S_IRUGO, qla2x00_driver_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); @@ -2431,6 +2451,7 @@ struct device_attribute *qla2x00_host_attrs[] = { &dev_attr_port_speed, &dev_attr_port_no, &dev_attr_fw_attr, + &dev_attr_dport_diagnostics, NULL, /* reserve for qlini_mode */ NULL, /* reserve for ql2xiniexchg */ NULL, /* reserve for ql2xexchoffld */ diff --git a/drivers/scsi/qla2xxx/qla_def.h b/drivers/scsi/qla2xxx/qla_def.h index b59643883ad1..22f859bef778 100644 --- a/drivers/scsi/qla2xxx/qla_def.h +++ b/drivers/scsi/qla2xxx/qla_def.h @@ -4541,6 +4541,7 @@ typedef struct scsi_qla_host { uint8_t n2n_node_name[WWN_SIZE]; uint8_t n2n_port_name[WWN_SIZE]; uint16_t n2n_id; + __le16 dport_data[4]; struct list_head gpnid_list; struct fab_scan scan; diff --git a/drivers/scsi/qla2xxx/qla_isr.c b/drivers/scsi/qla2xxx/qla_isr.c index e40705d38cea..73b6cfd14581 100644 --- a/drivers/scsi/qla2xxx/qla_isr.c +++ b/drivers/scsi/qla2xxx/qla_isr.c @@ -1254,6 +1254,7 @@ global_port_update: ql_dbg(ql_dbg_async, vha, 0x5052, "D-Port Diagnostics: %04x %04x %04x %04x\n", mb[0], mb[1], mb[2], mb[3]); + memcpy(vha->dport_data, mb, sizeof(vha->dport_data)); if (IS_QLA83XX(ha) || IS_QLA27XX(ha) || IS_QLA28XX(ha)) { static char *results[] = { "start", "done(pass)", "done(error)", "undefined" }; |