1 /* vxreg.h 1.5 87/01/11 */ 2 3 /* 4 * Vioc hardware interface structure. 5 */ 6 struct vxdevice { 7 char v_vioc; /* 0 type of interrupt + vioc busy flag */ 8 char v_hdwre; /* 1 trap, reset, or hard interrupt */ 9 char v_vcbsy; /* 2 command busy (set by host) */ 10 char v_vcid; /* 3 command identifier */ 11 short v_vcp[2]; /* 4 command pointer (sent by host) */ 12 short v_unused; /* 8 unused */ 13 short v_rspoff; /* a offset into vblock for response buf */ 14 char v_ustat; /* c status */ 15 char v_uqual; /* d interrupt qualifier */ 16 char v_usdata[0x3E]; /* e unsolicited interrupt data */ 17 short v_maxxmt; /* 4C max xmit block size */ 18 short v_maxsilo; /* 4E max silo size */ 19 char v_ident; /* 50 identifies type of vioc */ 20 char v_fault; /* 51 denotes fault or ready after reset */ 21 short v_dcd; /* 52 bit mask for carr detect by port */ 22 short v_cts; /* 54 bit mask for cts by port */ 23 short v_dsr; /* 56 bit mask for dsr by port */ 24 short v_secrec; /* 58 bit mask for secondary receive */ 25 short v_badport; /* 5a bit mask of failed ports */ 26 char v_portyp[16]; /* 5c type of each port */ 27 }; 28 29 /* control bits for v_vioc and v_hdwre */ 30 #define V_RESET 0x1 /* cause a vioc reset */ 31 #define V_TRP 0x2 /* cause a vioc trap */ 32 #define V_INTR 0x4 /* cause a vioc interrupt */ 33 #define V_ERR 0x80 /* generic error flag */ 34 #define V_BSY 0x80 /* generic busy flag */ 35 #define V_UNBSY 0x80 /* not busy for unsolicited interrupt */ 36 37 /* command identifier codes */ 38 #define VXC_LIDENT 0x0000 /* load ident, set int vectors */ 39 #define VXC_XMITDTA 0x0200 /* transmit */ 40 #define VXC_XMITIMM 0x0400 /* xmit immediate */ 41 #define VXC_FDTATOX 0x0300 /* flush data */ 42 #define VXC_LPARAX 0x0600 /* load params */ 43 #define VXC_SNDBRKX 0x0C00 /* send break to port */ 44 #define VXC_MDMCTL 0x1000 /* auto modem control */ 45 /* bisync specific command identifiers */ 46 #define VXC_LPARAX1 0x060a 47 #define VXC_MDMCTL1 0x1004 48 #define VXC_HUNTMD1 0x0804 49 50 /* vioc types returned during config */ 51 #define VXT_VIOCBOP 0x05 /* vioc-bop */ 52 #define VXT_PVIOCX 0x0A /* old connector panel vioc-x */ 53 #define VXT_VIOCX 0x0B /* new connector panel vioc-x */ 54 #define VXT_VIOCB 0x0C /* vioc-bisync */ 55 #define VXT_NEW 0x10 /* new type bit (or'd in) */ 56 57 #define VX_BISYNC 0x1 /* bisync flag indicator for bscport */ 58 59 /* connector panel types (per port) */ 60 #define VXT_NONE 0 /* no connector panel */ 61 #define VXT_8PORT 1 /* 8 port RS-232C */ 62 #define VXT_RS422 2 /* 8 port RS-422 (nonexistent) */ 63 #define VXT_4PORT 3 /* 4 port RS-232 (with DSR/RING) */ 64 #define VXT_PARALLEL 4 /* 4 port panel parallel port */ 65 66 /* v_fault status values */ 67 #define VXF_READY 0x55 /* no err in vioc self-initializaton */ 68 69 /* line parameters, set with VXC_LPARAX */ 70 #define BITS5 0x00 /* 5 bits per character */ 71 #define BITS6 0x80 /* 6 bits per character */ 72 #define BITS7 0x40 /* 7 bits per character */ 73 #define BITS8 0xc0 /* 8 bits per character */ 74 75 #define VNOPARITY 0x00 /* no parity bit */ 76 #define VODDP 0x01 /* odd parity bit */ 77 #define VEVENP 0x03 /* even parity bit */ 78 79 #define VSTOP1 0x04 /* 1 stop bit */ 80 #define VSTOP2 0x0c /* 2 stop bit */ 81 82 #define V19200 0x13 /* 19.2 kbaud */ 83 84 /* modem control flags */ 85 #define VMOD_ON 1 86 #define VMOD_OFF 0 87 88 #define V_AUTO 0x00 /* auto control of RTS, uses CTS */ 89 #define V_MANUAL 0x80 /* manual control of RTS, ignore CTS */ 90 #define V_DTR_ON 0x02 /* set DTR output */ 91 #define V_DTR_OFF 0x00 /* drop DTR output */ 92 #define V_RTS 0x01 /* set RTS output (manual only) */ 93 94 #define BRK_CHR 040 /* break character */ 95 #define DCD_ON 020 /* */ 96 #define DCD_OFF 010 /* */ 97 #define CTS_ON 004 /* */ 98 #define DSR_ON 0200 /* modem signal states for bisync */ 99 #define DSR_OFF 0100 100 #define DSR_CHG (DSR_ON|DSR_OFF) 101 102 #define VX_SILO 0x800 /* offset to base of silo */ 103 104 /* input status bits returned in silo */ 105 #define VX_PE 0x40 /* parity error */ 106 #define VX_FE 0x80 /* framing error */ 107 #define VX_RO 0xc0 /* receiver overrun */ 108 109 #define VRESPLEN 12 110 #define VCMDLEN 64 111 #define VC_IQLEN 64 /* Interrupt circular queue length */ 112 #define NVCXBUFS 16*3 /* 3 bufs per port per viocx */ 113 #define VC_CMDBUFL NVCXBUFS /* circular cmd (to exec) queue len*/ 114 115 struct vcmds { 116 int v_cmdsem; /* # cmds waiting for itrque */ 117 int v_curcnt; /* # cmds in itrque and executing */ 118 caddr_t v_curcmd[VCMDLEN]; /* pointers to cmds being executed */ 119 int v_fill; /* circular fill index */ 120 int v_empty; /* circular empty index */ 121 caddr_t cmdbuf[VC_CMDBUFL]; /* circular cmd (to exec) queue */ 122 int v_itrfill; /* circular intr issue queue fill */ 123 int v_itrempt; /* circular intr issue queue empty */ 124 short v_itrqueu[VC_IQLEN]; /* circular intr issue queue */ 125 }; 126 127 struct vxcmd { 128 struct vxcmd *c_fwd; 129 short cmd; 130 char par[58]; /* pad to 64 total size */ 131 }; 132 133 struct vxmit { 134 char line; 135 char bcount; 136 char ostream[6]; 137 }; 138 139 #define SSPEED 13 /* standard speed 9600 bps */ 140