summaryrefslogtreecommitdiffstats
path: root/drivers/s390/char/tape_3590.h
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/s390/char/tape_3590.h')
-rw-r--r--drivers/s390/char/tape_3590.h175
1 files changed, 175 insertions, 0 deletions
diff --git a/drivers/s390/char/tape_3590.h b/drivers/s390/char/tape_3590.h
new file mode 100644
index 00000000000..4534055f137
--- /dev/null
+++ b/drivers/s390/char/tape_3590.h
@@ -0,0 +1,175 @@
+/*
+ * 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));
+
+struct tape_3590_rdc_data {
+ char data[64];
+} __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 */