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[PATCH] s390: 3590 tape driver

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

Signed-off-by: Stefan Bader <shbader@de.ibm.com>
Signed-off-by: Michael Holzheu <holzheu@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Stefan Bader 2006-03-24 03:15:29 -08:00 committed by Linus Torvalds
parent 5f38433885
commit b6cba4ee31
6 changed files with 1443 additions and 11 deletions
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8
drivers/s390/Kconfig
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@ -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)"

1
drivers/s390/char/Makefile
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@ -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

8
drivers/s390/char/tape_34xx.c
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@ -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

1301
drivers/s390/char/tape_3590.c Normal file
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File diff suppressed because it is too large Load Diff

124
drivers/s390/char/tape_3590.h Normal file
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@ -0,0 +1,124 @@
/*
* 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 */

12
drivers/s390/char/tape_std.h
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@ -1,9 +1,8 @@
/*
* drivers/s390/char/tape_34xx.h
* drivers/s390/char/tape_std.h
* standard tape device functions for ibm 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>
@ -149,4 +148,11 @@ void tape_std_error_recovery_do_retry(struct tape_device *);
void tape_std_error_recovery_read_opposite(struct tape_device *);
void tape_std_error_recovery_HWBUG(struct tape_device *, int condno);
/* S390 tape types */
enum s390_tape_type {
tape_3480,
tape_3490,
tape_3590,
};
#endif // _TAPE_STD_H