diff options
Diffstat (limited to 'drivers/s390/char/tape_3590.h')
| -rw-r--r-- | drivers/s390/char/tape_3590.h | 124 |
1 files changed, 124 insertions, 0 deletions
diff --git a/drivers/s390/char/tape_3590.h b/drivers/s390/char/tape_3590.h new file mode 100644 index 000000000000..cf274b9445a6 --- /dev/null +++ b/drivers/s390/char/tape_3590.h @@ -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 */ |