1 /* 2 * Copyright (c) 1988 Regents of the University of California. 3 * All rights reserved. 4 * 5 * This code is derived from software contributed to Berkeley by 6 * Computer Consoles Inc. 7 * 8 * %sccs.include.redist.c% 9 * 10 * @(#)vxreg.h 7.4 (Berkeley) 06/28/90 11 */ 12 13 /* 14 * Vioc hardware interface structure. 15 */ 16 struct vxdevice { 17 char v_vioc; /* 0 type of interrupt + vioc busy flag */ 18 char v_hdwre; /* 1 trap, reset, or hard interrupt */ 19 char v_vcbsy; /* 2 command busy (set by host) */ 20 char v_vcid; /* 3 command identifier */ 21 short v_vcp[2]; /* 4 command pointer (sent by host) */ 22 short v_unused; /* 8 unused */ 23 short v_rspoff; /* a offset into vblock for response buf */ 24 char v_ustat; /* c status */ 25 char v_uqual; /* d interrupt qualifier */ 26 char v_usdata[0x3E]; /* e unsolicited interrupt data */ 27 short v_maxxmt; /* 4C max xmit block size */ 28 short v_maxsilo; /* 4E max silo size */ 29 char v_ident; /* 50 identifies type of vioc */ 30 char v_fault; /* 51 denotes fault or ready after reset */ 31 short v_dcd; /* 52 bit mask for carr detect by port */ 32 short v_cts; /* 54 bit mask for cts by port */ 33 short v_dsr; /* 56 bit mask for dsr by port */ 34 short v_secrec; /* 58 bit mask for secondary receive */ 35 short v_badport; /* 5a bit mask of failed ports */ 36 char v_portyp[16]; /* 5c type of each port */ 37 }; 38 39 /* control bits for v_vioc and v_hdwre */ 40 #define V_RESET 0x1 /* cause a vioc reset */ 41 #define V_TRP 0x2 /* cause a vioc trap */ 42 #define V_INTR 0x4 /* cause a vioc interrupt */ 43 #define V_ERR 0x80 /* generic error flag */ 44 #define V_BSY 0x80 /* generic busy flag */ 45 #define V_UNBSY 0x80 /* not busy for unsolicited interrupt */ 46 47 /* command identifier codes */ 48 #define VXC_LIDENT 0x0000 /* load ident, set int vectors */ 49 #define VXC_XMITDTA 0x0200 /* transmit */ 50 #define VXC_XMITIMM 0x0400 /* xmit immediate */ 51 #define VXC_FDTATOX 0x0300 /* flush data */ 52 #define VXC_LPARAX 0x0600 /* load params */ 53 #define VXC_SNDBRKX 0x0C00 /* send break to port */ 54 #define VXC_MDMCTL 0x1000 /* auto modem control */ 55 /* bisync specific command identifiers */ 56 #define VXC_LPARAX1 0x060a 57 #define VXC_MDMCTL1 0x1004 58 #define VXC_HUNTMD1 0x0804 59 60 /* vioc types returned during config */ 61 #define VXT_VIOCBOP 0x05 /* vioc-bop */ 62 #define VXT_PVIOCX 0x0A /* old connector panel vioc-x */ 63 #define VXT_VIOCX 0x0B /* new connector panel vioc-x */ 64 #define VXT_VIOCB 0x0C /* vioc-bisync */ 65 #define VXT_NEW 0x10 /* new type bit (or'd in) */ 66 67 #define VX_BISYNC 0x1 /* bisync flag indicator for bscport */ 68 69 /* connector panel types (per port) */ 70 #define VXT_NONE 0 /* no connector panel */ 71 #define VXT_8PORT 1 /* 8 port RS-232C */ 72 #define VXT_RS422 2 /* 8 port RS-422 (nonexistent) */ 73 #define VXT_4PORT 3 /* 4 port RS-232 (with DSR/RING) */ 74 #define VXT_PARALLEL 4 /* 4 port panel parallel port */ 75 76 /* v_fault status values */ 77 #define VXF_READY 0x55 /* no err in vioc self-initializaton */ 78 79 /* line parameters, set with VXC_LPARAX */ 80 #define BITS5 0x00 /* 5 bits per character */ 81 #define BITS6 0x80 /* 6 bits per character */ 82 #define BITS7 0x40 /* 7 bits per character */ 83 #define BITS8 0xc0 /* 8 bits per character */ 84 85 #define VNOPARITY 0x00 /* no parity bit */ 86 #define VODDP 0x01 /* odd parity bit */ 87 #define VEVENP 0x03 /* even parity bit */ 88 89 #define VSTOP1 0x04 /* 1 stop bit */ 90 #define VSTOP2 0x0c /* 2 stop bit */ 91 92 #define V19200 0x13 /* 19.2 kbaud */ 93 94 /* modem control flags */ 95 #define VMOD_ON 1 96 #define VMOD_OFF 0 97 98 #define V_AUTO 0x00 /* auto control of RTS, uses CTS */ 99 #define V_MANUAL 0x80 /* manual control of RTS, ignore CTS */ 100 #define V_DTR_ON 0x02 /* set DTR output */ 101 #define V_DTR_OFF 0x00 /* drop DTR output */ 102 #define V_RTS 0x01 /* set RTS output (manual only) */ 103 104 #define BRK_CHR 040 /* break character */ 105 #define DCD_ON 020 /* */ 106 #define DCD_OFF 010 /* */ 107 #define CTS_ON 004 /* */ 108 #define DSR_ON 0200 /* modem signal states for bisync */ 109 #define DSR_OFF 0100 110 #define DSR_CHG (DSR_ON|DSR_OFF) 111 112 #define VX_SILO 0x800 /* offset to base of silo */ 113 114 /* input status bits returned in silo */ 115 #define VX_PE 0x40 /* parity error */ 116 #define VX_FE 0x80 /* framing error */ 117 #define VX_RO 0xc0 /* receiver overrun */ 118 119 /* VIOC Process Error (PROCER) codes */ 120 #define VP_SILO_OFLOW 0x40 /* input silo error, non-fatal */ 121 122 #define VRESPLEN 12 123 #define VCMDLEN 64 124 #define VC_IQLEN 64 /* Interrupt circular queue length */ 125 #define NVCXBUFS 16*3 /* 3 bufs per port per viocx */ 126 #define VC_CMDBUFL NVCXBUFS /* circular cmd (to exec) queue len*/ 127 128 struct vcmds { 129 int v_cmdsem; /* # cmds waiting for itrque */ 130 int v_curcnt; /* # cmds in itrque and executing */ 131 caddr_t v_curcmd[VCMDLEN]; /* pointers to cmds being executed */ 132 int v_fill; /* circular fill index */ 133 int v_empty; /* circular empty index */ 134 caddr_t cmdbuf[VC_CMDBUFL]; /* circular cmd (to exec) queue */ 135 int v_itrfill; /* circular intr issue queue fill */ 136 int v_itrempt; /* circular intr issue queue empty */ 137 short v_itrqueu[VC_IQLEN]; /* circular intr issue queue */ 138 }; 139 140 struct vxcmd { 141 struct vxcmd *c_fwd; 142 short cmd; 143 char par[58]; /* pad to 64 total size */ 144 }; 145 146 struct vxmit { 147 char line; 148 char bcount; 149 char ostream[6]; 150 }; 151 152 #define SSPEED 13 /* standard speed 9600 bps */ 153