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From: Jack Wang <xjtuwjp@gmail.com>
To: Anand <anandkumar_santhanam@pmc-sierra.com>
Cc: linux-scsi@vger.kernel.org, Sangeetha.Gnanasekaran@pmcs.com,
	Nikith.Ganigarakoppal@pmcs.com, Viswas.G@pmcs.com
Subject: Re: [PATCH V2 06/10] pm80xx: Print SAS address of IO failed device.
Date: Thu, 26 Sep 2013 09:03:02 +0200	[thread overview]
Message-ID: <5243DC26.8090909@gmail.com> (raw)
In-Reply-To: <5243C831.9090309@pmc-sierra.com>

On 09/26/2013 07:37 AM, Anand wrote:
> From 5ddec5ef3033b4fee08dcdc7ba8b434425453e9d Mon Sep 17 00:00:00 2001
> From: Anand Kumar Santhanam <AnandKumar.Santhanam@pmcs.com>
> Date: Tue, 17 Sep 2013 16:47:21 +0530
> Subject: [PATCH V2 06/10] pm80xx: Print SAS address of IO failed device.
> 
> Signed-off-by: Anandkumar.Santhanam@pmcs.com
> 
> ---
>  drivers/scsi/pm8001/pm8001_hwi.c |   65 ++++++++++++++++++++++++++++++++++++++
>  drivers/scsi/pm8001/pm80xx_hwi.c |   65 ++++++++++++++++++++++++++++++++++++++
>  2 files changed, 130 insertions(+), 0 deletions(-)
> 
> diff --git a/drivers/scsi/pm8001/pm8001_hwi.c b/drivers/scsi/pm8001/pm8001_hwi.c
> index 2fd8c38..c9cc744 100644
> --- a/drivers/scsi/pm8001/pm8001_hwi.c
> +++ b/drivers/scsi/pm8001/pm8001_hwi.c
> @@ -1868,6 +1868,13 @@ mpi_ssp_completion(struct pm8001_hba_info *pm8001_ha , void *piomb)
>  	if (unlikely(!t || !t->lldd_task || !t->dev))
>  		return;
>  	ts = &t->task_status;
> +	/* Print sas address of IO failed device */
> +	if ((status != IO_SUCCESS) && (status != IO_OVERFLOW) &&
> +		(status != IO_UNDERFLOW))
> +		PM8001_FAIL_DBG(pm8001_ha,
> +			pm8001_printk("SAS Address of IO Failure Drive:"
> +			"%016llx", SAS_ADDR(t->dev->sas_addr)-1));
> +
>  	switch (status) {
>  	case IO_SUCCESS:
>  		PM8001_IO_DBG(pm8001_ha, pm8001_printk("IO_SUCCESS"
> @@ -2276,6 +2283,11 @@ mpi_sata_completion(struct pm8001_hba_info *pm8001_ha, void *piomb)
>  	u32 param;
>  	u32 status;
>  	u32 tag;
> +	int i, j;
> +	u8 sata_addr_low[4];
> +	u32 temp_sata_addr_low;
> +	u8 sata_addr_hi[4];
> +	u32 temp_sata_addr_hi;
>  	struct sata_completion_resp *psataPayload;
>  	struct task_status_struct *ts;
>  	struct ata_task_resp *resp ;
> @@ -2325,7 +2337,60 @@ mpi_sata_completion(struct pm8001_hba_info *pm8001_ha, void *piomb)
>  			pm8001_printk("ts null\n"));
>  		return;
>  	}
> +	/* Print sas address of IO failed device */
> +	if ((status != IO_SUCCESS) && (status != IO_OVERFLOW) &&
> +		(status != IO_UNDERFLOW)) {
> +		if (!((t->dev->parent) &&
> +			(DEV_IS_EXPANDER(t->dev->parent->dev_type)))) {
> +			for (i = 0 , j = 4 ; j <= 7 && i <= 3 ; i++ , j++)
> +				sata_addr_low[i] = pm8001_ha->sas_addr[j];
> +			for (i = 0 , j = 0; j <= 3 && i <= 3; i++ , j++)
> +				sata_addr_hi[i] = pm8001_ha->sas_addr[j];
> +			memcpy(&temp_sata_addr_low, sata_addr_low,
> +				sizeof(sata_addr_low));
> +			memcpy(&temp_sata_addr_hi, sata_addr_hi,
> +				sizeof(sata_addr_hi));
> +			temp_sata_addr_hi = (((temp_sata_addr_hi >> 24) & 0xff)
> +						|((temp_sata_addr_hi << 8) &
> +						0xff0000) |
> +						((temp_sata_addr_hi >> 8)
> +						& 0xff00) |
> +						((temp_sata_addr_hi << 24) &
> +						0xff000000));
> +			temp_sata_addr_low = ((((temp_sata_addr_low >> 24)
> +						& 0xff) |
> +						((temp_sata_addr_low << 8)
> +						& 0xff0000) |
> +						((temp_sata_addr_low >> 8)
> +						& 0xff00) |
> +						((temp_sata_addr_low << 24)
> +						& 0xff000000)) +
> +						pm8001_dev->attached_phy +
> +						0x10);
> +			PM8001_FAIL_DBG(pm8001_ha,
> +				pm8001_printk("SAS Address of IO Failure Drive:"
> +				"%08x%08x", temp_sata_addr_hi,
> +					temp_sata_addr_low));
> +		} else {
> +			for (i = 0 , j = 4 ; j <= 7 && i <= 3; i++ , j++)
> +				sata_addr_low[i] = t->dev->sas_addr[j];
> +			for (i = 0 , j = 0 ; j <= 3 && i <= 3 ; i++ , j++)
> +				sata_addr_hi[i] = t->dev->sas_addr[j];
> +			temp_sata_addr_low = (sata_addr_low[0] << 24) |
> +						(sata_addr_low[1] << 16) |
> +						(sata_addr_low[2] << 8) |
> +						(sata_addr_low[3]);
> +			temp_sata_addr_hi =  (sata_addr_hi[0] << 24)|
> +						(sata_addr_hi[1] << 16)|
> +						(sata_addr_hi[2] << 8)|
> +						(sata_addr_hi[3]);
>  
> +			PM8001_FAIL_DBG(pm8001_ha,
> +				pm8001_printk("SAS Address of IO Failure Drive:"
> +				"%08x%08x", temp_sata_addr_hi,
> +					temp_sata_addr_low));
> +		}
> +	}
>  	switch (status) {
>  	case IO_SUCCESS:
>  		PM8001_IO_DBG(pm8001_ha, pm8001_printk("IO_SUCCESS\n"));
> diff --git a/drivers/scsi/pm8001/pm80xx_hwi.c b/drivers/scsi/pm8001/pm80xx_hwi.c
> index e1ab320..80a10aa 100644
> --- a/drivers/scsi/pm8001/pm80xx_hwi.c
> +++ b/drivers/scsi/pm8001/pm80xx_hwi.c
> @@ -1296,6 +1296,13 @@ mpi_ssp_completion(struct pm8001_hba_info *pm8001_ha , void *piomb)
>  	if (unlikely(!t || !t->lldd_task || !t->dev))
>  		return;
>  	ts = &t->task_status;
> +	/* Print sas address of IO failed device */
> +	if ((status != IO_SUCCESS) && (status != IO_OVERFLOW) &&
> +		(status != IO_UNDERFLOW))
> +		PM8001_FAIL_DBG(pm8001_ha,
> +			pm8001_printk("SAS Address of IO Failure Drive"
> +			":%016llx", SAS_ADDR(t->dev->sas_addr)-1));
> +
>  	switch (status) {
>  	case IO_SUCCESS:
>  		PM8001_IO_DBG(pm8001_ha,
> @@ -1719,6 +1726,10 @@ mpi_sata_completion(struct pm8001_hba_info *pm8001_ha, void *piomb)
>  	u32 param;
>  	u32 status;
>  	u32 tag;
> +	int i, j;
> +	u8 sata_addr_low[4];
> +	u32 temp_sata_addr_low, temp_sata_addr_hi;
> +	u8 sata_addr_hi[4];
>  	struct sata_completion_resp *psataPayload;
>  	struct task_status_struct *ts;
>  	struct ata_task_resp *resp ;
> @@ -1768,7 +1779,61 @@ mpi_sata_completion(struct pm8001_hba_info *pm8001_ha, void *piomb)
>  			pm8001_printk("ts null\n"));
>  		return;
>  	}
> +	/* Print sas address of IO failed device */
> +	if ((status != IO_SUCCESS) && (status != IO_OVERFLOW) &&
> +		(status != IO_UNDERFLOW)) {
> +		if (!((t->dev->parent) &&
> +			(DEV_IS_EXPANDER(t->dev->parent->dev_type)))) {
> +			for (i = 0 , j = 4 ; i <= 3 && j <= 7 ; i++ , j++)
> +				sata_addr_low[i] = pm8001_ha->sas_addr[j];
> +			for (i = 0 , j = 0; i <= 3 && j <= 3; i++ , j++)
> +				sata_addr_hi[i] = pm8001_ha->sas_addr[j];
> +			memcpy(&temp_sata_addr_low, sata_addr_low,
> +				sizeof(sata_addr_low));
> +			memcpy(&temp_sata_addr_hi, sata_addr_hi,
> +				sizeof(sata_addr_hi));
> +			temp_sata_addr_hi = (((temp_sata_addr_hi >> 24) & 0xff)
> +						|((temp_sata_addr_hi << 8) &
> +						0xff0000) |
> +						((temp_sata_addr_hi >> 8)
> +						& 0xff00) |
> +						((temp_sata_addr_hi << 24) &
> +						0xff000000));
> +			temp_sata_addr_low = ((((temp_sata_addr_low >> 24)
> +						& 0xff) |
> +						((temp_sata_addr_low << 8)
> +						& 0xff0000) |
> +						((temp_sata_addr_low >> 8)
> +						& 0xff00) |
> +						((temp_sata_addr_low << 24)
> +						& 0xff000000)) +
> +						pm8001_dev->attached_phy +
> +						0x10);
> +			PM8001_FAIL_DBG(pm8001_ha,
> +				pm8001_printk("SAS Address of IO Failure Drive:"
> +				"%08x%08x", temp_sata_addr_hi,
> +					temp_sata_addr_low));
> +
> +		} else {
> +			for (i = 0 , j = 4 ; i <= 3 && j <= 7; i++ , j++)
> +				sata_addr_low[i] = t->dev->sas_addr[j];
> +			for (i = 0 , j = 0 ; i <= 3 && j <= 3 ; i++ , j++)
> +				sata_addr_hi[i] = t->dev->sas_addr[j];
> +			temp_sata_addr_low = (sata_addr_low[0] << 24) |
> +						(sata_addr_low[1] << 16) |
> +						(sata_addr_low[2] << 8) |
> +						(sata_addr_low[3]);
> +			temp_sata_addr_hi =  (sata_addr_hi[0] << 24)|
> +						(sata_addr_hi[1] << 16)|
> +						(sata_addr_hi[2] << 8)|
> +						(sata_addr_hi[3]);
>  
> +			PM8001_FAIL_DBG(pm8001_ha,
> +				pm8001_printk("SAS Address of IO Failure Drive:"
> +				"%08x%08x", temp_sata_addr_hi,
> +					temp_sata_addr_low));

you don't need convert for second else case just use
> +		":%016llx", SAS_ADDR(t->dev->sas_addr)-1)); should be fine?

Jack
> +	}
>  	switch (status) {
>  	case IO_SUCCESS:
>  		PM8001_IO_DBG(pm8001_ha, pm8001_printk("IO_SUCCESS\n"));
> 


  reply	other threads:[~2013-09-26  7:02 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-09-26  5:37 [PATCH V2 06/10] pm80xx: Print SAS address of IO failed device Anand
2013-09-26  7:03 ` Jack Wang [this message]
2013-09-26  9:05   ` Sangeetha Gnanasekaran

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