linux-kernel - Re: [PATCH] scsi: smartpqi: Enable sas_address sys fs for SATA device type.

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Message-ID: <79269170-c390-5914-54b9-f562eb463505@windriver.com>
Date:   Thu, 14 Oct 2021 08:44:11 +0800
From:   "Ma, Jiping" <jiping.ma2@...driver.com>
To:     jejb@...ux.ibm.com, martin.petersen@...cle.com,
        scott.benesh@...rochip.com, don.brace@...rochip.com,
        scott.teel@...rochip.com, kevin.barnett@...rochip.com,
        Murthy.Bhat@...rochip.com
Cc:     linux-scsi@...r.kernel.org, linux-kernel@...r.kernel.org,
        yue.tao@...driver.com
Subject: Re: [PATCH] scsi: smartpqi: Enable sas_address sys fs for SATA device
 type.

ping

Thanks,

Jiping

On 10/11/2021 10:46 AM, Jiping Ma wrote:
> Current version:
> /sys/devices/pci0000:36/0000:36:02.0/0000:3b:00.0/host0/scsi_host/host0$
> find -name sas_address -print -exec cat {} \;
> ./port-0:3/end_device-0:3/sas_device/end_device-0:3/sas_address
> 0x0000000000000000
> ./port-0:3/end_device-0:3/target0:0:2/0:0:2:0/sas_address
> cat: ./port-0:3/end_device-0:3/target0:0:2/0:0:2:0/sas_address:
> No such device
> ./port-0:1/end_device-0:1/target0:0:0/0:0:0:0/sas_address
> cat: ./port-0:1/end_device-0:1/target0:0:0/0:0:0:0/sas_address:
> No such device
> ./port-0:1/end_device-0:1/sas_device/end_device-0:1/sas_address
> 0x0000000000000000
> ./port-0:4/end_device-0:4/sas_device/end_device-0:4/sas_address
> 0x0000000000000000
> ./port-0:4/end_device-0:4/target0:0:3/0:0:3:0/sas_address
> cat: ./port-0:4/end_device-0:4/target0:0:3/0:0:3:0/sas_address:
> No such device
> ./port-0:2/end_device-0:2/sas_device/end_device-0:2/sas_address
> 0x0000000000000000
> ./port-0:2/end_device-0:2/target0:0:1/0:0:1:0/sas_address
> cat: ./port-0:2/end_device-0:2/target0:0:1/0:0:1:0/sas_address:
> No such device
>
> After patch applied:
> /sys/devices/pci0000:36/0000:36:02.0/0000:3b:00.0/host0/scsi_host/host0$
> find -name sas_address -print -exec cat {} \;
> ./port-0:3/end_device-0:3/sas_device/end_device-0:3/sas_address
> 0x31402ec001d92985
> ./port-0:3/end_device-0:3/target0:0:2/0:0:2:0/sas_address
> 0x31402ec001d92985
> ./port-0:1/end_device-0:1/target0:0:0/0:0:0:0/sas_address
> 0x31402ec001d92983
> ./port-0:1/end_device-0:1/sas_device/end_device-0:1/sas_address
> 0x31402ec001d92983
> ./port-0:4/end_device-0:4/sas_device/end_device-0:4/sas_address
> 0x31402ec001d92986
> ./port-0:4/end_device-0:4/target0:0:3/0:0:3:0/sas_address
> 0x31402ec001d92986
> ./port-0:2/end_device-0:2/sas_device/end_device-0:2/sas_address
> 0x31402ec001d92984
> ./port-0:2/end_device-0:2/target0:0:1/0:0:1:0/sas_address
> 0x31402ec001d92984
>
> Signed-off-by: Jiping Ma <jiping.ma2@...driver.com>
> ---
>   drivers/scsi/smartpqi/smartpqi_init.c | 1 +
>   1 file changed, 1 insertion(+)
>
> diff --git a/drivers/scsi/smartpqi/smartpqi_init.c b/drivers/scsi/smartpqi/smartpqi_init.c
> index ecb2af3f43ca..df16e0a27a41 100644
> --- a/drivers/scsi/smartpqi/smartpqi_init.c
> +++ b/drivers/scsi/smartpqi/smartpqi_init.c
> @@ -2101,6 +2101,7 @@ static inline void pqi_mask_device(u8 *scsi3addr)
>   static inline bool pqi_is_device_with_sas_address(struct pqi_scsi_dev *device)
>   {
>   	switch (device->device_type) {
> +	case SA_DEVICE_TYPE_SATA:
>   	case SA_DEVICE_TYPE_SAS:
>   	case SA_DEVICE_TYPE_EXPANDER_SMP:
>   	case SA_DEVICE_TYPE_SES: