1 /* rxreg.h 4.7 83/05/07 */ 2 3 #include <sys/ioctl.h> 4 /* 5 * RX02 registers 6 */ 7 struct rxdevice { 8 short rxcs; /* control/status register */ 9 short rxdb; /* data buffer register */ 10 }; 11 12 /* 13 * RX211 Command and Status Register (RX2CS) 14 */ 15 #define RX_DRV0 0x0000 /* select drive 0 */ 16 #define RX_DRV1 0x0010 /* select drive 1 */ 17 #define RX_DONE 0x0020 /* function complete */ 18 #define RX_INTR 0x0040 /* interrupt enable */ 19 #define RX_TREQ 0x0080 /* transfer request (data only) */ 20 #define RX_SDEN 0x0000 /* single density */ 21 #define RX_DDEN 0x0100 /* double density */ 22 #define RX_EXT 0x3000 /* extended address bits */ 23 #define RX_INIT 0x4000 /* initialize RX211 interface */ 24 #define RX_ERR 0x8000 /* general error bit */ 25 26 /* 27 * RX211 control function bits (0-3 of RX2CS) 28 */ 29 #define RX_FILL 0x0001 /* fill the buffer */ 30 #define RX_EMPTY 0x0003 /* empty the buffer */ 31 #define RX_WRITE 0x0005 /* write the buffer to disk */ 32 #define RX_READ 0x0007 /* read a disk sector to the buffer */ 33 #define RX_FORMAT 0x0009 /* set the media density (format) */ 34 #define RX_RDSTAT 0x000b /* read the disk status */ 35 #define RX_WDDS 0x000d /* write a deleted-data sector */ 36 #define RX_RDERR 0x000f /* read the error registers */ 37 38 #define RXCS_BITS \ 39 "\20\20RX_ERR\17RX_INIT\11RX_DDEN\10RX_TREQ\7RX_IE\6RX_DONE\5RX_DRV1" 40 41 /* 42 * RX211 Error and Status Register (RX2ES) -- 43 * information is located in RX2DB after completion of function. 44 * The READY bit's value is available only after a "read status". 45 */ 46 #define RXES_CRCERR 0x0001 /* CRC error (data read error) */ 47 #define RXES_IDONE 0x0004 /* reinitialization complete */ 48 #define RXES_DENERR 0x0010 /* density error */ 49 #define RXES_DBLDEN 0x0020 /* set if double density */ 50 #define RXES_DDMARK 0x0040 /* deleted-data mark */ 51 #define RXES_READY 0x0080 /* drive is ready */ 52 53 #define RXES_BITS \ 54 "\20\14RXES_NXM\13RXES_WCOF\11RXES_DRV1\10RXES_RDY\7RXES_DDMK\6RXES_DDEN\5\ 55 RXES_DNER\4RXES_ACLO\3RXES_ID\1RXES_CRC" 56 57 /* 58 * Ioctl commands, move to dkio.h later 59 */ 60 #define RXIOC_FORMAT _IOW(d, 1, int) /* format the disk */ 61 #define RXIOC_WDDS _IOW(d, 2, int) /* write `deleted data' mark */ 62 /* on next sector */ 63 #define RXIOC_RDDSMK _IOR(d, 3, int) /* did last read sector contain */ 64 /* `deleted data'?*/ 65 #define RXIOC_GDENS _IOR(d, 4, int) /* return density of current disk */ 66 67 #ifdef RXDEFERR 68 /* 69 * Table of values for definitive error code (rxxt[0] & 0xff) 70 */ 71 struct rxdeferr { 72 short errval; 73 char *errmsg; 74 } rxdeferr[] = { 75 { 0010, "Can't find home on drive 0" }, 76 { 0020, "Can't find home on drive 1" }, 77 { 0040, "Bad track number requested" }, 78 { 0050, "Home found too soon" }, 79 { 0070, "Can't find desired sector" }, 80 { 0110, "No SEP clock seen" }, 81 { 0120, "No preamble found" }, 82 { 0130, "Preamble, but no ID mark" }, 83 { 0140, "Header CRC error"}, 84 { 0150, "Track addr wrong in header" }, 85 { 0160, "Too many tries for ID AM" }, 86 { 0170, "No data AM found" }, 87 { 0200, "Data CRC error" }, 88 { 0220, "Maintenance test failure" }, 89 { 0230, "Word count overflow" }, 90 { 0240, "Density error" }, 91 { 0250, "Set-density protocol bad" }, 92 { 0, "Undefined error code" } 93 }; 94 #endif 95