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/*
* drivers/s390/char/tape_3590.h
* tape device discipline for 3590 tapes.
*
* Copyright 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 MSENSE_CRYPT_MASK 0x00000010
#define TAPE_3590_MAX_MSG 0xb0
/* Datatypes */
struct tape_3590_disc_data {
struct tape390_crypt_info crypt_info;
int read_back_op;
};
#define TAPE_3590_CRYPT_INFO(device) \
((struct tape_3590_disc_data*)(device->discdata))->crypt_info
#define TAPE_3590_READ_BACK_OP(device) \
((struct tape_3590_disc_data*)(device->discdata))->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 pad1[7];
unsigned int flags;
char pad2[116];
} __attribute__ ((packed));
/* Datastructures for 3592 encryption support */
struct tape3592_kekl {
__u8 flags;
char label[64];
} __attribute__ ((packed));
struct tape3592_kekl_pair {
__u8 count;
struct tape3592_kekl kekl[2];
} __attribute__ ((packed));
struct tape3592_kekl_query_data {
__u16 len;
__u8 fmt;
__u8 mc;
__u32 id;
__u8 flags;
struct tape3592_kekl_pair kekls;
char reserved[116];
} __attribute__ ((packed));
struct tape3592_kekl_query_order {
__u8 code;
__u8 flags;
char reserved1[2];
__u8 max_count;
char reserved2[35];
} __attribute__ ((packed));
struct tape3592_kekl_set_order {
__u8 code;
__u8 flags;
char reserved1[2];
__u8 op;
struct tape3592_kekl_pair kekls;
char reserved2[120];
} __attribute__ ((packed));
#endif /* _TAPE_3590_H */
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