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Commit b6cba4ee authored by Stefan Bader's avatar Stefan Bader Committed by Linus Torvalds
Browse files

[PATCH] s390: 3590 tape driver 



      Michael Holzheu <holzheu@de.ibm.com>,
      Martin Schwidefsky <schwidefsky@de.ibm.com>

Signed-off-by: default avatarStefan Bader <shbader@de.ibm.com>
Signed-off-by: default avatarMichael Holzheu <holzheu@de.ibm.com>
Signed-off-by: default avatarMartin Schwidefsky <schwidefsky@de.ibm.com>
Signed-off-by: default avatarAndrew Morton <akpm@osdl.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@osdl.org>
parent 5f384338

drivers/s390/Kconfig

+7 −1
Original line number Diff line number Diff line
@@ -183,7 +183,13 @@ config S390_TAPE_34XX 
	  tape subsystems and 100% compatibles.

	  It is safe to say "Y" here.





config S390_TAPE_3590

	tristate "Support for 3590 tape hardware"

	depends on S390_TAPE

	help

	  Select this option if you want to access IBM 3590 magnetic

	  tape subsystems and 100% compatibles.

	  It is safe to say "Y" here.



config VMLOGRDR

	tristate "Support for the z/VM recording system services (VM only)"

drivers/s390/char/Makefile

+1 −0
Original line number Diff line number Diff line
@@ -26,4 +26,5 @@ tape-$(CONFIG_PROC_FS) += tape_proc.o 
tape-objs := tape_core.o tape_std.o tape_char.o $(tape-y)

obj-$(CONFIG_S390_TAPE) += tape.o tape_class.o

obj-$(CONFIG_S390_TAPE_34XX) += tape_34xx.o

obj-$(CONFIG_S390_TAPE_3590) += tape_3590.o

obj-$(CONFIG_MONREADER) += monreader.o

drivers/s390/char/tape_34xx.c

+1 −7
Original line number Diff line number Diff line
@@ -2,8 +2,7 @@ 
 *  drivers/s390/char/tape_34xx.c

 *    tape device discipline for 3480/3490 tapes.

 *

 *  S390 and zSeries version

 *    Copyright (C) 2001,2002 IBM Deutschland Entwicklung GmbH, IBM Corporation

 *    Copyright (C) IBM Corp. 2001,2006

 *    Author(s): Carsten Otte <cotte@de.ibm.com>

 *		 Tuan Ngo-Anh <ngoanh@de.ibm.com>

 *		 Martin Schwidefsky <schwidefsky@de.ibm.com>
@@ -28,11 +27,6 @@ 
debug_info_t *TAPE_DBF_AREA = NULL;

EXPORT_SYMBOL(TAPE_DBF_AREA);



enum tape_34xx_type {

	tape_3480,

	tape_3490,

};



#define TAPE34XX_FMT_3480	0

#define TAPE34XX_FMT_3480_2_XF	1

#define TAPE34XX_FMT_3480_XF	2

drivers/s390/char/tape_3590.c

0 → 100644
+1301 −0

File added.

Preview size limit exceeded, changes collapsed.

drivers/s390/char/tape_3590.h

0 → 100644
+124 −0
Original line number Diff line number Diff line 
/*

 *  drivers/s390/char/tape_3590.h

 *    tape device discipline for 3590 tapes.

 *

 *    Copyright (C) IBM Corp. 2001,2006

 *    Author(s): Stefan Bader <shbader@de.ibm.com>

 *		 Michael Holzheu <holzheu@de.ibm.com>

 *		 Martin Schwidefsky <schwidefsky@de.ibm.com>

 */



#ifndef _TAPE_3590_H

#define _TAPE_3590_H



#define MEDIUM_SENSE	0xc2

#define READ_PREVIOUS	0x0a

#define MODE_SENSE	0xcf

#define PERFORM_SS_FUNC 0x77

#define READ_SS_DATA	0x3e



#define PREP_RD_SS_DATA 0x18

#define RD_ATTMSG	0x3



#define SENSE_BRA_PER  0

#define SENSE_BRA_CONT 1

#define SENSE_BRA_RE   2

#define SENSE_BRA_DRE  3



#define SENSE_FMT_LIBRARY	0x23

#define SENSE_FMT_UNSOLICITED	0x40

#define SENSE_FMT_COMMAND_REJ	0x41

#define SENSE_FMT_COMMAND_EXEC0 0x50

#define SENSE_FMT_COMMAND_EXEC1 0x51

#define SENSE_FMT_EVENT0	0x60

#define SENSE_FMT_EVENT1	0x61

#define SENSE_FMT_MIM		0x70

#define SENSE_FMT_SIM		0x71



#define MSENSE_UNASSOCIATED	 0x00

#define MSENSE_ASSOCIATED_MOUNT	 0x01

#define MSENSE_ASSOCIATED_UMOUNT 0x02



#define TAPE_3590_MAX_MSG	 0xb0



/* Datatypes */



struct tape_3590_disc_data {

	unsigned char modeset_byte;

	int read_back_op;

};



struct tape_3590_sense {



	unsigned int command_rej:1;

	unsigned int interv_req:1;

	unsigned int bus_out_check:1;

	unsigned int eq_check:1;

	unsigned int data_check:1;

	unsigned int overrun:1;

	unsigned int def_unit_check:1;

	unsigned int assgnd_elsew:1;



	unsigned int locate_fail:1;

	unsigned int inst_online:1;

	unsigned int reserved:1;

	unsigned int blk_seq_err:1;

	unsigned int begin_part:1;

	unsigned int wr_mode:1;

	unsigned int wr_prot:1;

	unsigned int not_cap:1;



	unsigned int bra:2;

	unsigned int lc:3;

	unsigned int vlf_active:1;

	unsigned int stm:1;

	unsigned int med_pos:1;



	unsigned int rac:8;



	unsigned int rc_rqc:16;



	unsigned int mc:8;



	unsigned int sense_fmt:8;



	union {

		struct {

			unsigned int emc:4;

			unsigned int smc:4;

			unsigned int sev:2;

			unsigned int reserved:6;

			unsigned int md:8;

			unsigned int refcode:8;

			unsigned int mid:16;

			unsigned int mp:16;

			unsigned char volid[6];

			unsigned int fid:8;

		} f70;

		struct {

			unsigned int emc:4;

			unsigned int smc:4;

			unsigned int sev:2;

			unsigned int reserved1:5;

			unsigned int mdf:1;

			unsigned char md[3];

			unsigned int simid:8;

			unsigned int uid:16;

			unsigned int refcode1:16;

			unsigned int refcode2:16;

			unsigned int refcode3:16;

			unsigned int reserved2:8;

		} f71;

		unsigned char data[14];

	} fmt;

	unsigned char pad[10];



} __attribute__ ((packed));



struct tape_3590_med_sense {

	unsigned int macst:4;

	unsigned int masst:4;

	char pad[127];

} __attribute__ ((packed));



#endif /* _TAPE_3590_H */