+/* tsreg.h 4.1 81/03/21 */
+
+/*
+ * TS11 controller registers
+ */
+struct device {
+ u_short tsdb; /* data buffer */
+ u_short tssr; /* status register */
+};
+
+/* Bits in (unibus) status register */
+#define TS_SC 0100000 /* special condition (error) */
+#define TS_UPE 0040000 /* Unibus parity error */
+#define TS_SPE 0020000 /* serial bus parity error */
+#define TS_RMR 0010000 /* register modification refused */
+#define TS_NXM 0004000 /* nonexistant memory */
+#define TS_NBA 0002000 /* need buffer address */
+#define TS_XMEM 0001400 /* Unibus xmem bits */
+#define TS_SSR 0000200 /* subsytem ready */
+#define TS_OFL 0000100 /* off-line */
+#define TS_FTC 0000060 /* fatal termination class */
+#define TS_TC 0000016 /* termination class */
+
+#define TS_SUCC 000 /* successful termination */
+#define TS_ATTN 002 /* attention */
+#define TS_ALERT 004 /* tape status alert */
+#define TS_REJECT 06 /* function reject */
+#define TS_RECOV 010 /* recoverable error */
+#define TS_RECNM 012 /* recoverable error, no tape motion */
+#define TS_UNREC 014 /* unrecoverable error */
+#define TS_FATAL 016 /* fatal error */
+
+#define TSSR_BITS \
+"\10\20SC\17UPE\16SPE\15RMR\14NXM\13NBA\12A17\11A16\10SSR\
+\7OFL\6FC1\5FC0\4TC2\3TC1\2TC0\1-"
+
+#define b_repcnt b_bcount
+#define b_command b_resid
+
+/* status message */
+struct ts_sts {
+ u_short s_sts; /* packet header */
+ u_short s_len; /* packet length */
+ u_short s_rbpcr; /* residual frame count */
+ u_short s_xs0; /* extended status 0 - 3 */
+ u_short s_xs1;
+ u_short s_xs2;
+ u_short s_xs3;
+};
+
+/* Error codes in xstat 0 */
+#define TS_TMK 0100000 /* tape mark detected */
+#define TS_RLS 0040000 /* record length short */
+#define TS_LET 0020000 /* logical end of tape */
+#define TS_RLL 0010000 /* record length long */
+#define TS_WLE 0004000 /* write lock error */
+#define TS_NEF 0002000 /* non-executable function */
+#define TS_ILC 0001000 /* illegal command */
+#define TS_ILA 0000400 /* illegal address */
+#define TS_MOT 0000200 /* capstan is moving */
+#define TS_ONL 0000100 /* on-line */
+#define TS_IES 0000040 /* interrupt enable status */
+#define TS_VCK 0000020 /* volume check */
+#define TS_PED 0000010 /* phase-encoded drive */
+#define TS_WLK 0000004 /* write locked */
+#define TS_BOT 0000002 /* beginning of tape */
+#define TS_EOT 0000001 /* end of tape */
+
+#define TSXS0_BITS \
+"\10\20TMK\17RLS\16LET\15RLL\14WLE\13NEF\12ILC\11ILA\10MOT\
+\7ONL\6IES\5VCK\4PED\3WLK\2BOT\1EOT"
+
+/* Error codes in xstat 1 */
+#define TS_DLT 0100000 /* data late */
+#define TS_COR 0020000 /* correctable data */
+#define TS_CRS 0010000 /* crease detected */
+#define TS_TIG 0004000 /* trash in the gap */
+#define TS_DBF 0002000 /* deskew buffer full */
+#define TS_SCK 0001000 /* speed check */
+#define TS_IPR 0000200 /* invalid preamble */
+#define TS_SYN 0000100 /* synchronization failure */
+#define TS_IPO 0000040 /* invalid postamble */
+#define TS_IED 0000020 /* invalid end of data */
+#define TS_POS 0000010 /* postamble short */
+#define TS_POL 0000004 /* postamble long */
+#define TS_UNC 0000002 /* uncorrectable data */
+#define TS_MTE 0000001 /* multitrack error */
+
+#define TSXS1_BITS \
+"\10\20DLT\17-\16COR\15CRS\14TIG\13DBF\12SCK\11-\10IPR\
+\7SYN\6IPO\5IED\4POS\3POL\2UNC\1MTE"
+
+/* Error codes in xstat 2 */
+#define TS_OPM 0100000 /* operation in progress */
+#define TS_SIP 0040000 /* silo parity error */
+#define TS_BPE 0020000 /* serial bus parity error */
+#define TS_CAF 0010000 /* capstan acceleration failure */
+#define TS_WCF 0002000 /* write card fail */
+#define TS_DTP 0000400 /* dead track parity */
+#define TS_DT 0000377 /* dead tracks */
+
+#define TSXS2_BITS \
+"\10\20OPM\17SIP\16BPE\15CAF\14-\13WCF\12-\11DTP"
+
+/* Error codes in xstat 3 */
+#define TS_MEC 0177400 /* microdiagnostic error code */
+#define TS_LMX 0000200 /* limit exceeded */
+#define TS_OPI 0000100 /* operation incomplete */
+#define TS_REV 0000040 /* reverse */
+#define TS_CRF 0000020 /* capstan response fail */
+#define TS_DCK 0000010 /* density check */
+#define TS_NOI 0000004 /* noise record */
+#define TS_LXS 0000002 /* limit exceeded statically */
+#define TS_RIB 0000001 /* reverse into BOT */
+
+#define TSXS3_BITS \
+"\10\10LMX\7OPI\6REV\5CRF\4DCK\3NOI\2LXS\1RIB"
+
+
+/* command message */
+struct ts_cmd {
+ u_short c_cmd; /* command */
+ u_short c_loba; /* low order buffer address */
+ u_short c_hiba; /* high order buffer address */
+#define c_repcnt c_loba
+ u_short c_size; /* byte count */
+};
+
+/* commands and command bits */
+#define TS_ACK 0100000 /* ack - release command packet */
+#define TS_CVC 0040000 /* clear volume check */
+#define TS_IE 0000200
+#define TS_RCOM 0000001
+#define TS_REREAD 0001001 /* read data retry */
+#define TS_SETCHR 0000004 /* set characteristics */
+#define TS_WCOM 0000005
+#define TS_REWRITE 0001005 /* write data retry */
+#define TS_RETRY 0001000 /* retry bit for read and write */
+#define TS_SFORW 0000010 /* forward space record */
+#define TS_SREV 0000410 /* reverse space record */
+#define TS_SFORWF 0001010 /* forward space file */
+#define TS_SREVF 0001410 /* reverse space file */
+#define TS_REW 0002010 /* rewind */
+#define TS_OFFL 0000412 /* unload */
+#define TS_WEOF 0000011 /* write tape mark */
+#define TS_SENSE 0000017 /* get status */
+
+/* characteristics data */
+struct ts_char {
+ long char_addr; /* address of status packet */
+ u_short char_size; /* its size */
+ u_short char_mode; /* characteristics */
+};
+
+
+/* characteristics */
+#define TS_ESS 0200 /* enable skip tape marks stop */
+#define TS_ENB 0100 /* ??? */
+#define TS_EAI 0040 /* enable attention interrupts */
+#define TS_ERI 0020 /* enable message buffer release interrupts */
projects / unix-history / commitdiff