linux/drivers/s390/block/dasd_9336_erp.c

42 lines
1.1 KiB
C

/*
* File...........: linux/drivers/s390/block/dasd_9336_erp.c
* Author(s)......: Holger Smolinski <Holger.Smolinski@de.ibm.com>
* Bugreports.to..: <Linux390@de.ibm.com>
* (C) IBM Corporation, IBM Deutschland Entwicklung GmbH, 2000
*
*/
#define PRINTK_HEADER "dasd_erp(9336)"
#include "dasd_int.h"
/*
* DASD_9336_ERP_EXAMINE
*
* DESCRIPTION
* Checks only for fatal/no/recover error.
* A detailed examination of the sense data is done later outside
* the interrupt handler.
*
* The logic is based on the 'IBM 3880 Storage Control Reference' manual
* 'Chapter 7. 9336 Sense Data'.
*
* RETURN VALUES
* dasd_era_none no error
* dasd_era_fatal for all fatal (unrecoverable errors)
* dasd_era_recover for all others.
*/
dasd_era_t
dasd_9336_erp_examine(struct dasd_ccw_req * cqr, struct irb * irb)
{
/* check for successful execution first */
if (irb->scsw.cstat == 0x00 &&
irb->scsw.dstat == (DEV_STAT_CHN_END | DEV_STAT_DEV_END))
return dasd_era_none;
/* examine the 24 byte sense data */
return dasd_era_recover;
} /* END dasd_9336_erp_examine */