Re: [PATCH 06/20] [SCSI] mpt3sas: Provides the physical location of sas drives

Johannes Thumshirn
2015-06-19T09:19:53Z

On Fri, Jun 12, 2015 at 03:12:18PM +0530, Sreekanth Reddy wrote:
> This Patch will provide more details of the devices such as slot number, enclosure logical id, enclosure level & connector name in the following scenarios,
>
> - When end device is added in the topology,
> - When the end device is removed from the setup,
> - When the SCSI mid layer issues TASK ABORT/ DEVICE RESET/ TARGET RESET during error handling,
> - When any command to the device fails with Sense key Hardware error or Medium error or Unit Attention,
> - When firmware returns device error or device not ready status for the end device,
> - When a Predicted fault is detected on an end device.
>
> This information can be used by the user to identify the location of the desired drive in the topology.
>
> Driver will get these information by reading the sas device page0.
>
> Signed-off-by: Sreekanth Reddy <Sreekanth.Reddy@avagotech.com>
> ---
> drivers/scsi/mpt3sas/mpt3sas_base.h | 2 +
> drivers/scsi/mpt3sas/mpt3sas_scsih.c | 238 +++++++++++++++++++++++++++++------
> 2 files changed, 201 insertions(+), 39 deletions(-)
>
> diff --git a/drivers/scsi/mpt3sas/mpt3sas_base.h b/drivers/scsi/mpt3sas/mpt3sas_base.h
> index b79ad4f..293ad23 100644
> --- a/drivers/scsi/mpt3sas/mpt3sas_base.h
> +++ b/drivers/scsi/mpt3sas/mpt3sas_base.h
> @@ -317,6 +317,8 @@ struct _sas_device {
> u8 fast_path;
> u8 pfa_led_on;
> u8 pend_sas_rphy_add;
> + u8 enclosure_level;
> + u8 connector_name[4];

Minor nit of different indent here, don't know if it is worth re-sending?

Other than that:

Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>

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Johannes Thumshirn Storage
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