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Commit 8cf093e2 authored by Brian King's avatar Brian King Committed by James Bottomley
Browse files

[SCSI] ipr: Improved dual adapter errors 



Formats ipr dual adapter errors so that they are more compact.

Signed-off-by: default avatarBrian King <brking@linux.vnet.ibm.com>
Signed-off-by: default avatarJames Bottomley <James.Bottomley@SteelEye.com>
parent 22d2e402

drivers/scsi/ipr.c

+72 −6
Original line number Diff line number Diff line
@@ -952,6 +952,53 @@ static void ipr_process_ccn(struct ipr_cmnd *ipr_cmd) 
	}

}



/**

 * strip_and_pad_whitespace - Strip and pad trailing whitespace.

 * @i:		index into buffer

 * @buf:		string to modify

 *

 * This function will strip all trailing whitespace, pad the end

 * of the string with a single space, and NULL terminate the string.

 *

 * Return value:

 * 	new length of string

 **/

static int strip_and_pad_whitespace(int i, char *buf)

{

	while (i && buf[i] == ' ')

		i--;

	buf[i+1] = ' ';

	buf[i+2] = '\0';

	return i + 2;

}



/**

 * ipr_log_vpd_compact - Log the passed extended VPD compactly.

 * @prefix:		string to print at start of printk

 * @hostrcb:	hostrcb pointer

 * @vpd:		vendor/product id/sn struct

 *

 * Return value:

 * 	none

 **/

static void ipr_log_vpd_compact(char *prefix, struct ipr_hostrcb *hostrcb,

				struct ipr_vpd *vpd)

{

	char buffer[IPR_VENDOR_ID_LEN + IPR_PROD_ID_LEN + IPR_SERIAL_NUM_LEN + 3];

	int i = 0;



	memcpy(buffer, vpd->vpids.vendor_id, IPR_VENDOR_ID_LEN);

	i = strip_and_pad_whitespace(IPR_VENDOR_ID_LEN - 1, buffer);



	memcpy(&buffer[i], vpd->vpids.product_id, IPR_PROD_ID_LEN);

	i = strip_and_pad_whitespace(i + IPR_PROD_ID_LEN - 1, buffer);



	memcpy(&buffer[i], vpd->sn, IPR_SERIAL_NUM_LEN);

	buffer[IPR_SERIAL_NUM_LEN + i] = '\0';



	ipr_hcam_err(hostrcb, "%s VPID/SN: %s\n", prefix, buffer);

}



/**

 * ipr_log_vpd - Log the passed VPD to the error log.

 * @vpd:		vendor/product id/sn struct
@@ -975,6 +1022,23 @@ static void ipr_log_vpd(struct ipr_vpd *vpd) 
	ipr_err("    Serial Number: %s\n", buffer);

}



/**

 * ipr_log_ext_vpd_compact - Log the passed extended VPD compactly.

 * @prefix:		string to print at start of printk

 * @hostrcb:	hostrcb pointer

 * @vpd:		vendor/product id/sn/wwn struct

 *

 * Return value:

 * 	none

 **/

static void ipr_log_ext_vpd_compact(char *prefix, struct ipr_hostrcb *hostrcb,

				    struct ipr_ext_vpd *vpd)

{

	ipr_log_vpd_compact(prefix, hostrcb, &vpd->vpd);

	ipr_hcam_err(hostrcb, "%s WWN: %08X%08X\n", prefix,

		     be32_to_cpu(vpd->wwid[0]), be32_to_cpu(vpd->wwid[1]));

}



/**

 * ipr_log_ext_vpd - Log the passed extended VPD to the error log.

 * @vpd:		vendor/product id/sn/wwn struct
@@ -1289,10 +1353,11 @@ static void ipr_log_enhanced_dual_ioa_error(struct ipr_ioa_cfg *ioa_cfg, 


	error = &hostrcb->hcam.u.error.u.type_17_error;

	error->failure_reason[sizeof(error->failure_reason) - 1] = '\0';

	strstrip(error->failure_reason);



	ipr_err("%s\n", error->failure_reason);

	ipr_err("Remote Adapter VPD:\n");

	ipr_log_ext_vpd(&error->vpd);

	ipr_hcam_err(hostrcb, "%s [PRC: %08X]\n", error->failure_reason,

		     be32_to_cpu(hostrcb->hcam.u.error.prc));

	ipr_log_ext_vpd_compact("Remote IOA", hostrcb, &error->vpd);

	ipr_log_hex_data(ioa_cfg, error->data,

			 be32_to_cpu(hostrcb->hcam.length) -

			 (offsetof(struct ipr_hostrcb_error, u) +
@@ -1314,10 +1379,11 @@ static void ipr_log_dual_ioa_error(struct ipr_ioa_cfg *ioa_cfg, 


	error = &hostrcb->hcam.u.error.u.type_07_error;

	error->failure_reason[sizeof(error->failure_reason) - 1] = '\0';

	strstrip(error->failure_reason);



	ipr_err("%s\n", error->failure_reason);

	ipr_err("Remote Adapter VPD:\n");

	ipr_log_vpd(&error->vpd);

	ipr_hcam_err(hostrcb, "%s [PRC: %08X]\n", error->failure_reason,

		     be32_to_cpu(hostrcb->hcam.u.error.prc));

	ipr_log_vpd_compact("Remote IOA", hostrcb, &error->vpd);

	ipr_log_hex_data(ioa_cfg, error->data,

			 be32_to_cpu(hostrcb->hcam.length) -

			 (offsetof(struct ipr_hostrcb_error, u) +