wdsreg.h

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    1 /*      $NetBSD: wdsreg.h,v 1.5 1998/01/05 07:31:11 perry Exp $ */
    2 
    3 typedef u_char physaddr[3];
    4 typedef u_char 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 /* WDS_STAT (read) defs */
   17 #define WDSS_IRQ                0x80
   18 #define WDSS_RDY                0x40
   19 #define WDSS_REJ                0x20
   20 #define WDSS_INIT               0x10
   21 
   22 /* WDS_IRQSTAT (read) defs */
   23 #define WDSI_MASK               0xc0
   24 #define WDSI_ERR                0x00
   25 #define WDSI_MFREE              0x80
   26 #define WDSI_MSVC               0xc0
   27 
   28 /* WDS_CMD (write) defs */
   29 #define WDSC_NOOP               0x00
   30 #define WDSC_INIT               0x01
   31 #define WDSC_DISUNSOL           0x02
   32 #define WDSC_ENAUNSOL           0x03
   33 #define WDSC_IRQMFREE           0x04
   34 #define WDSC_SCSIRESETSOFT      0x05
   35 #define WDSC_SCSIRESETHARD      0x06
   36 #define WDSC_MSTART(m)          (0x80 + (m))
   37 #define WDSC_MMSTART(m)         (0xc0 + (m))
   38 
   39 /* WDS_HCR (write) defs */
   40 #define WDSH_IRQEN              0x08
   41 #define WDSH_DRQEN              0x04
   42 #define WDSH_SCSIRESET          0x02
   43 #define WDSH_ASCRESET           0x01
   44 
   45 #define WDS_NSEG        17
   46 
   47 struct wds_scat_gath {
   48         physlen seg_len;
   49         physaddr seg_addr;
   50 };
   51 
   52 struct wds_cmd {
   53         u_char opcode;
   54         u_char targ;
   55         struct scsi_generic scb;
   56         u_char stat;
   57         u_char venderr;
   58         physlen len;
   59         physaddr data;
   60         physaddr link;
   61         u_char write;
   62         u_char xx[6];
   63 };
   64 
   65 struct wds_scb {
   66         struct wds_cmd cmd;
   67         struct wds_cmd sense;
   68 
   69         struct wds_scat_gath scat_gath[WDS_NSEG];
   70         struct scsipi_sense_data sense_data;
   71 
   72         TAILQ_ENTRY(wds_scb) chain;
   73         struct wds_scb *nexthash;
   74         u_long hashkey;
   75         struct scsipi_xfer *xs;
   76         int flags;
   77 #define SCB_ALLOC       0x01
   78 #define SCB_ABORT       0x02
   79 #ifdef WDSDIAG
   80 #define SCB_SENDING     0x04
   81 #endif
   82 #define SCB_POLLED      0x08
   83 #define SCB_SENSE       0x10
   84 #define SCB_DONE        0x20    /* for internal commands only */
   85 #define SCB_BUFFER      0x40
   86         int timeout;
   87 
   88         /*
   89          * DMA maps used by the SCB.  These maps are created in
   90          * wds_init_scb().
   91          */
   92 
   93         /*
   94          * The DMA map maps an individual SCB.  This map is permanently
   95          * loaded in wds_init_scb().
   96          */
   97         bus_dmamap_t    dmamap_self;
   98 
   99         /*
  100          * This map maps the buffer involved in the transfer.
  101          * Its contents are loaded into "scat_gath" above.
  102          */
  103         bus_dmamap_t    dmamap_xfer;
  104 };
  105 
  106 #define WDSX_SCSICMD            0x00
  107 #define WDSX_SCSISG             0x01
  108 #define WDSX_OPEN_RCVBUF        0x80
  109 #define WDSX_RCV_CMD            0x81
  110 #define WDSX_RCV_DATA           0x82
  111 #define WDSX_RCV_DATASTAT       0x83
  112 #define WDSX_SND_DATA           0x84
  113 #define WDSX_SND_DATASTAT       0x85
  114 #define WDSX_SND_CMDSTAT        0x86
  115 #define WDSX_READINIT           0x88
  116 #define WDSX_READSCSIID         0x89
  117 #define WDSX_SETUNSOLIRQMASK    0x8a
  118 #define WDSX_GETUNSOLIRQMASK    0x8b
  119 #define WDSX_GETFIRMREV         0x8c
  120 #define WDSX_EXECDIAG           0x8d
  121 #define WDSX_SETEXECPARM        0x8e
  122 #define WDSX_GETEXECPARM        0x8f
  123 
  124 struct wds_mbx_out {
  125         u_char cmd;
  126         physaddr scb_addr;
  127 };
  128 
  129 struct wds_mbx_in {
  130         u_char stat;
  131         physaddr scb_addr;
  132 };
  133 
  134 /*
  135  * mbo.cmd values
  136  */
  137 #define WDS_MBO_FREE            0x0     /* MBO entry is free */
  138 #define WDS_MBO_START           0x1     /* MBO activate entry */
  139 
  140 /*
  141  * mbi.stat values
  142  */
  143 #define WDS_MBI_FREE            0x00    /* MBI entry is free */
  144 #define WDS_MBI_OK              0x01    /* completed without error */
  145 #define WDS_MBI_OKERR           0x02    /* completed with error */
  146 #define WDS_MBI_ETIME           0x04
  147 #define WDS_MBI_ERESET          0x05
  148 #define WDS_MBI_ETARCMD         0x06
  149 #define WDS_MBI_ERESEL          0x80
  150 #define WDS_MBI_ESEL            0x81
  151 #define WDS_MBI_EABORT          0x82
  152 #define WDS_MBI_ESRESET         0x83
  153 #define WDS_MBI_EHRESET         0x84
  154 
  155 struct wds_setup {
  156         u_char opcode;
  157         u_char scsi_id;
  158         u_char buson_t;
  159         u_char busoff_t;
  160         u_char xx;
  161         physaddr mbaddr;
  162         u_char nomb;
  163         u_char nimb;
  164 };

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FreeBSD/Linux Kernel Cross Reference sys/dev/isa/wdsreg.h

FreeBSD/Linux Kernel Cross Reference
sys/dev/isa/wdsreg.h