[deliverable/linux.git] / drivers / s390 / block / dasd_3990_erp.c

/*
 * File...........: linux/drivers/s390/block/dasd_3990_erp.c
 * Author(s)......: Horst  Hummel    <Horst.Hummel@de.ibm.com>
 *		    Holger Smolinski <Holger.Smolinski@de.ibm.com>
 * Bugreports.to..: <Linux390@de.ibm.com>
 * (C) IBM Corporation, IBM Deutschland Entwicklung GmbH, 2000, 2001
 *
 */

#include <linux/timer.h>
#include <linux/slab.h>
#include <asm/idals.h>
#include <asm/todclk.h>

#define PRINTK_HEADER "dasd_erp(3990): "

#include "dasd_int.h"
#include "dasd_eckd.h"


struct DCTL_data {
	unsigned char subcommand;  /* e.g Inhibit Write, Enable Write,... */
	unsigned char modifier;	   /* Subcommand modifier */
	unsigned short res;	   /* reserved */
} __attribute__ ((packed));

/*
 *****************************************************************************
 * SECTION ERP EXAMINATION
 *****************************************************************************
 */

/*
 * DASD_3990_ERP_EXAMINE_24
 *
 * DESCRIPTION
 *   Checks only for fatal (unrecoverable) error.
 *   A detailed examination of the sense data is done later outside
 *   the interrupt handler.
 *
 *   Each bit configuration leading to an action code 2 (Exit with
 *   programming error or unusual condition indication)
Commit	Line	Data
	1	/*
	2	* File...........: linux/drivers/s390/block/dasd_3990_erp.c
	3	* Author(s)......: Horst Hummel <Horst.Hummel@de.ibm.com>
	4	* Holger Smolinski <Holger.Smolinski@de.ibm.com>
	5	* Bugreports.to..: <Linux390@de.ibm.com>
	6	* (C) IBM Corporation, IBM Deutschland Entwicklung GmbH, 2000, 2001
	7	*
	8	*/
	9
	10	#include <linux/timer.h>
	11	#include <linux/slab.h>
	12	#include <asm/idals.h>
	13	#include <asm/todclk.h>
	14
	15	#define PRINTK_HEADER "dasd_erp(3990): "
	16
	17	#include "dasd_int.h"
	18	#include "dasd_eckd.h"
	19
	20
	21	struct DCTL_data {
	22	unsigned char subcommand; /* e.g Inhibit Write, Enable Write,... */
	23	unsigned char modifier; /* Subcommand modifier */
	24	unsigned short res; /* reserved */
	25	} __attribute__ ((packed));
	26
	27	/*
	28	*****************************************************************************
	29	* SECTION ERP EXAMINATION
	30	*****************************************************************************
	31	*/
	32
	33	/*
	34	* DASD_3990_ERP_EXAMINE_24
	35	*
	36	* DESCRIPTION
	37	* Checks only for fatal (unrecoverable) error.
	38	* A detailed examination of the sense data is done later outside
	39	* the interrupt handler.
	40	*
	41	* Each bit configuration leading to an action code 2 (Exit with
	42	* programming error or unusual condition indication)