On Thu, Nov 14, 2019 at 11:08 AM Deepak Ukey <deepak.ukey@xxxxxxxxxxxxx> wrote:
>
> From: Deepak Ukey <Deepak.Ukey@xxxxxxxxxxxxx>
>
> Added support to check controller fatal error through sysfs.
>
> Signed-off-by: Deepak Ukey <deepak.ukey@xxxxxxxxxxxxx>
> Signed-off-by: Viswas G <Viswas.G@xxxxxxxxxxxxx>
Acked-by: Jack Wang <jinpu.wang@xxxxxxxxxxxxxxx>
> ---
> drivers/scsi/pm8001/pm8001_ctl.c | 20 ++++++++++++++++++++
> 1 file changed, 20 insertions(+)
>
> diff --git a/drivers/scsi/pm8001/pm8001_ctl.c b/drivers/scsi/pm8001/pm8001_ctl.c
> index 6b85016b4db3..7c6be2ec110d 100644
> --- a/drivers/scsi/pm8001/pm8001_ctl.c
> +++ b/drivers/scsi/pm8001/pm8001_ctl.c
> @@ -69,6 +69,25 @@ static ssize_t pm8001_ctl_mpi_interface_rev_show(struct device *cdev,
> static
> DEVICE_ATTR(interface_rev, S_IRUGO, pm8001_ctl_mpi_interface_rev_show, NULL);
>
> +/**
> + * controller_fatal_error_show - check controller is under fatal err
> + * @cdev: pointer to embedded class device
> + * @buf: the buffer returned
> + *
> + * A sysfs 'read only' shost attribute.
> + */
> +static ssize_t controller_fatal_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;
> +
> + return snprintf(buf, PAGE_SIZE, "%d\n",
> + pm8001_ha->controller_fatal_error);
> +}
> +static DEVICE_ATTR_RO(controller_fatal_error);
> +
> /**
> * pm8001_ctl_fw_version_show - firmware version
> * @cdev: pointer to embedded class device
> @@ -804,6 +823,7 @@ static DEVICE_ATTR(update_fw, S_IRUGO|S_IWUSR|S_IWGRP,
> pm8001_show_update_fw, pm8001_store_update_fw);
> struct device_attribute *pm8001_host_attrs[] = {
> &dev_attr_interface_rev,
> + &dev_attr_controller_fatal_error,
> &dev_attr_fw_version,
> &dev_attr_update_fw,
> &dev_attr_aap_log,
> --
> 2.16.3
>
