diff options
Diffstat (limited to 'drivers/scsi')
| -rw-r--r-- | drivers/scsi/pm8001/pm8001_ctl.c | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/drivers/scsi/pm8001/pm8001_ctl.c b/drivers/scsi/pm8001/pm8001_ctl.c index f3863076a81e..786bd2d252b6 100644 --- a/drivers/scsi/pm8001/pm8001_ctl.c +++ b/drivers/scsi/pm8001/pm8001_ctl.c @@ -911,6 +911,27 @@ static ssize_t ctl_mpi_state_show(struct device *cdev, } static DEVICE_ATTR_RO(ctl_mpi_state); +/** + * ctl_hmi_error_show - controller MPI initialization fails + * @cdev: pointer to embedded class device + * @buf: the buffer returned + * + * A sysfs 'read-only' shost attribute. + */ + +static ssize_t ctl_hmi_error_show(struct device *cdev, + struct device_attribute *attr, char *buf) +{ + struct Scsi_Host *shost = class_to_shost(cdev); + struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost); + struct pm8001_hba_info *pm8001_ha = sha->lldd_ha; + unsigned int mpidw0; + + mpidw0 = pm8001_mr32(pm8001_ha->general_stat_tbl_addr, 0); + return sysfs_emit(buf, "0x%08x\n", (mpidw0 >> 16)); +} +static DEVICE_ATTR_RO(ctl_hmi_error); + struct device_attribute *pm8001_host_attrs[] = { &dev_attr_interface_rev, &dev_attr_controller_fatal_error, @@ -935,6 +956,7 @@ struct device_attribute *pm8001_host_attrs[] = { &dev_attr_ila_version, &dev_attr_inc_fw_ver, &dev_attr_ctl_mpi_state, + &dev_attr_ctl_hmi_error, NULL, }; |