Adding upstream version 4.19.249.upstream/4.19.249upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

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 000000000..b398d8a3e
--- /dev/null
+++ b/drivers/s390/char/tape_3590.h
@@ -0,0 +1,175 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ *    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 */