> On Apr 13, 2022, at 7:56 AM, Sumit Saxena <sumit.saxena@xxxxxxxxxxxx> wrote:
>
> Signed-off-by: Sumit Saxena <sumit.saxena@xxxxxxxxxxxx>
> ---
> drivers/scsi/mpi3mr/mpi3mr.h | 2 +-
> drivers/scsi/mpi3mr/mpi3mr_app.c | 46 ++++++++++++++++++++++++++++++++
> drivers/scsi/mpi3mr/mpi3mr_os.c | 1 +
> 3 files changed, 48 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/scsi/mpi3mr/mpi3mr.h b/drivers/scsi/mpi3mr/mpi3mr.h
> index cc54231da658..1de3b006f444 100644
> --- a/drivers/scsi/mpi3mr/mpi3mr.h
> +++ b/drivers/scsi/mpi3mr/mpi3mr.h
> @@ -1056,5 +1056,5 @@ int mpi3mr_pel_get_seqnum_post(struct mpi3mr_ioc *mrioc,
> struct mpi3mr_drv_cmd *drv_cmd);
> void mpi3mr_app_save_logdata(struct mpi3mr_ioc *mrioc, char *event_data,
> u16 event_data_size);
> -
> +extern const struct attribute_group *mpi3mr_host_groups[];
> #endif /*MPI3MR_H_INCLUDED*/
> diff --git a/drivers/scsi/mpi3mr/mpi3mr_app.c b/drivers/scsi/mpi3mr/mpi3mr_app.c
> index c5c447defef3..dada12216b97 100644
> --- a/drivers/scsi/mpi3mr/mpi3mr_app.c
> +++ b/drivers/scsi/mpi3mr/mpi3mr_app.c
> @@ -1217,3 +1217,49 @@ void mpi3mr_bsg_init(struct mpi3mr_ioc *mrioc)
> err_device_add:
> kfree(mrioc->bsg_dev);
> }
> +
> +/**
> + * adapter_state_show - SysFS callback for adapter state show
> + * @dev: class device
> + * @attr: Device attributes
> + * @buf: Buffer to copy
> + *
> + * Return: snprintf() return after copying adapter state
> + */
> +static ssize_t
> +adp_state_show(struct device *dev, struct device_attribute *attr,
> + char *buf)
> +{
> + struct Scsi_Host *shost = class_to_shost(dev);
> + struct mpi3mr_ioc *mrioc = shost_priv(shost);
> + enum mpi3mr_iocstate ioc_state;
> + uint8_t adp_state;
> +
> + ioc_state = mpi3mr_get_iocstate(mrioc);
> + if (ioc_state == MRIOC_STATE_UNRECOVERABLE)
> + adp_state = MPI3MR_BSG_ADPSTATE_UNRECOVERABLE;
> + else if ((mrioc->reset_in_progress) || (mrioc->stop_bsgs))
> + adp_state = MPI3MR_BSG_ADPSTATE_IN_RESET;
> + else if (ioc_state == MRIOC_STATE_FAULT)
> + adp_state = MPI3MR_BSG_ADPSTATE_FAULT;
> + else
> + adp_state = MPI3MR_BSG_ADPSTATE_OPERATIONAL;
> +
> + return snprintf(buf, PAGE_SIZE, "%u\n", adp_state);
> +}
> +
> +static DEVICE_ATTR_RO(adp_state);
> +
> +static struct attribute *mpi3mr_host_attrs[] = {
> + &dev_attr_adp_state.attr,
> + NULL,
> +};
> +
> +static const struct attribute_group mpi3mr_host_attr_group = {
> + .attrs = mpi3mr_host_attrs
> +};
> +
> +const struct attribute_group *mpi3mr_host_groups[] = {
> + &mpi3mr_host_attr_group,
> + NULL,
> +};
> diff --git a/drivers/scsi/mpi3mr/mpi3mr_os.c b/drivers/scsi/mpi3mr/mpi3mr_os.c
> index 19298136edb6..89a4918c4a9e 100644
> --- a/drivers/scsi/mpi3mr/mpi3mr_os.c
> +++ b/drivers/scsi/mpi3mr/mpi3mr_os.c
> @@ -4134,6 +4134,7 @@ static struct scsi_host_template mpi3mr_driver_template = {
> .max_segment_size = 0xffffffff,
> .track_queue_depth = 1,
> .cmd_size = sizeof(struct scmd_priv),
> + .shost_groups = mpi3mr_host_groups,
> };
>
> /**
> --
> 2.27.0
>
Reviewed-by: Himanshu Madhani <himanshu.madhani@xxxxxxxxxx>
