Annotation of sys/dev/isa/wdsreg.h, Revision 1.1
1.1 ! nbrk 1: /* $OpenBSD: wdsreg.h,v 1.4 1997/11/07 08:07:11 niklas Exp $ */
! 2:
! 3: typedef u_int8_t physaddr[3];
! 4: typedef u_int8_t physlen[3];
! 5: #define ltophys _lto3b
! 6: #define phystol _3btol
! 7:
! 8: /* WD7000 registers */
! 9: #define WDS_STAT 0 /* read */
! 10: #define WDS_IRQSTAT 1 /* read */
! 11:
! 12: #define WDS_CMD 0 /* write */
! 13: #define WDS_IRQACK 1 /* write */
! 14: #define WDS_HCR 2 /* write */
! 15:
! 16: #define WDS_IO_PORTS 8 /* size in I/O-space */
! 17:
! 18: /* WDS_STAT (read) defs */
! 19: #define WDSS_IRQ 0x80
! 20: #define WDSS_RDY 0x40
! 21: #define WDSS_REJ 0x20
! 22: #define WDSS_INIT 0x10
! 23:
! 24: /* WDS_IRQSTAT (read) defs */
! 25: #define WDSI_MASK 0xc0
! 26: #define WDSI_ERR 0x00
! 27: #define WDSI_MFREE 0x80
! 28: #define WDSI_MSVC 0xc0
! 29:
! 30: /* WDS_CMD (write) defs */
! 31: #define WDSC_NOOP 0x00
! 32: #define WDSC_INIT 0x01
! 33: #define WDSC_DISUNSOL 0x02
! 34: #define WDSC_ENAUNSOL 0x03
! 35: #define WDSC_IRQMFREE 0x04
! 36: #define WDSC_SCSIRESETSOFT 0x05
! 37: #define WDSC_SCSIRESETHARD 0x06
! 38: #define WDSC_MSTART(m) (0x80 + (m))
! 39: #define WDSC_MMSTART(m) (0xc0 + (m))
! 40:
! 41: /* WDS_HCR (write) defs */
! 42: #define WDSH_IRQEN 0x08
! 43: #define WDSH_DRQEN 0x04
! 44: #define WDSH_SCSIRESET 0x02
! 45: #define WDSH_ASCRESET 0x01
! 46:
! 47: #define WDS_NSEG 17
! 48:
! 49: struct wds_scat_gath {
! 50: physlen seg_len;
! 51: physaddr seg_addr;
! 52: };
! 53:
! 54: struct wds_cmd {
! 55: u_int8_t opcode;
! 56: u_int8_t targ;
! 57: struct scsi_generic scb;
! 58: u_int8_t stat;
! 59: u_int8_t venderr;
! 60: physlen len;
! 61: physaddr data;
! 62: physaddr link;
! 63: u_int8_t write;
! 64: u_int8_t xx[6];
! 65: };
! 66:
! 67: struct wds_scb {
! 68: struct wds_cmd cmd;
! 69: struct wds_cmd sense;
! 70:
! 71: struct wds_scat_gath scat_gath[WDS_NSEG];
! 72: struct scsi_sense_data sense_data;
! 73: /*----------------------------------------------------------------*/
! 74: #define SCB_PHYS_SIZE ((int)&((struct wds_scb *)0)->chain)
! 75:
! 76: TAILQ_ENTRY(wds_scb) chain;
! 77: struct wds_scb *nexthash;
! 78: long hashkey;
! 79: struct scsi_xfer *xs;
! 80: int flags;
! 81: #define SCB_ALLOC 0x01
! 82: #define SCB_ABORT 0x02
! 83: #ifdef WDSDIAG
! 84: #define SCB_SENDING 0x04
! 85: #endif
! 86: #define SCB_POLLED 0x08
! 87: #define SCB_SENSE 0x10
! 88: #define SCB_DONE 0x20 /* for internal commands only */
! 89: #define SCB_BUFFER 0x40
! 90: int timeout;
! 91:
! 92: #ifdef notyet
! 93: struct isadma_seg scb_phys[1]; /* phys segment of this scb */
! 94: struct isadma_seg data_phys[WDS_NSEG]; /* phys segments of data */
! 95: int data_nseg; /* number of phys segments of data */
! 96: #endif
! 97: struct wds_buf *buf;
! 98: };
! 99:
! 100: #define WDSX_SCSICMD 0x00
! 101: #define WDSX_SCSISG 0x01
! 102: #define WDSX_OPEN_RCVBUF 0x80
! 103: #define WDSX_RCV_CMD 0x81
! 104: #define WDSX_RCV_DATA 0x82
! 105: #define WDSX_RCV_DATASTAT 0x83
! 106: #define WDSX_SND_DATA 0x84
! 107: #define WDSX_SND_DATASTAT 0x85
! 108: #define WDSX_SND_CMDSTAT 0x86
! 109: #define WDSX_READINIT 0x88
! 110: #define WDSX_READSCSIID 0x89
! 111: #define WDSX_SETUNSOLIRQMASK 0x8a
! 112: #define WDSX_GETUNSOLIRQMASK 0x8b
! 113: #define WDSX_GETFIRMREV 0x8c
! 114: #define WDSX_EXECDIAG 0x8d
! 115: #define WDSX_SETEXECPARM 0x8e
! 116: #define WDSX_GETEXECPARM 0x8f
! 117:
! 118: struct wds_mbx_out {
! 119: u_int8_t cmd;
! 120: physaddr scb_addr;
! 121: };
! 122:
! 123: struct wds_mbx_in {
! 124: u_int8_t stat;
! 125: physaddr scb_addr;
! 126: };
! 127:
! 128: /*
! 129: * mbo.cmd values
! 130: */
! 131: #define WDS_MBO_FREE 0x0 /* MBO entry is free */
! 132: #define WDS_MBO_START 0x1 /* MBO activate entry */
! 133:
! 134: /*
! 135: * mbi.stat values
! 136: */
! 137: #define WDS_MBI_FREE 0x00 /* MBI entry is free */
! 138: #define WDS_MBI_OK 0x01 /* completed without error */
! 139: #define WDS_MBI_OKERR 0x02 /* completed with error */
! 140: #define WDS_MBI_ETIME 0x04
! 141: #define WDS_MBI_ERESET 0x05
! 142: #define WDS_MBI_ETARCMD 0x06
! 143: #define WDS_MBI_ERESEL 0x80
! 144: #define WDS_MBI_ESEL 0x81
! 145: #define WDS_MBI_EABORT 0x82
! 146: #define WDS_MBI_ESRESET 0x83
! 147: #define WDS_MBI_EHRESET 0x84
! 148:
! 149: struct wds_setup {
! 150: u_int8_t opcode;
! 151: u_int8_t scsi_id;
! 152: u_int8_t buson_t;
! 153: u_int8_t busoff_t;
! 154: u_int8_t xx;
! 155: physaddr mbaddr;
! 156: u_int8_t nomb;
! 157: u_int8_t nimb;
! 158: };
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