1 /* 2 * Copyright (c) 1988 Regents of the University of California. 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms are permitted 6 * provided that the above copyright notice and this paragraph are 7 * duplicated in all such forms and that any documentation, 8 * advertising materials, and other materials related to such 9 * distribution and use acknowledge that the software was developed 10 * by the University of California, Berkeley. The name of the 11 * University may not be used to endorse or promote products derived 12 * from this software without specific prior written permission. 13 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR 14 * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED 15 * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. 16 * 17 * @(#)vxreg.h 7.2 (Berkeley) 06/29/88 18 */ 19 20 /* 21 * Vioc hardware interface structure. 22 */ 23 struct vxdevice { 24 char v_vioc; /* 0 type of interrupt + vioc busy flag */ 25 char v_hdwre; /* 1 trap, reset, or hard interrupt */ 26 char v_vcbsy; /* 2 command busy (set by host) */ 27 char v_vcid; /* 3 command identifier */ 28 short v_vcp[2]; /* 4 command pointer (sent by host) */ 29 short v_unused; /* 8 unused */ 30 short v_rspoff; /* a offset into vblock for response buf */ 31 char v_ustat; /* c status */ 32 char v_uqual; /* d interrupt qualifier */ 33 char v_usdata[0x3E]; /* e unsolicited interrupt data */ 34 short v_maxxmt; /* 4C max xmit block size */ 35 short v_maxsilo; /* 4E max silo size */ 36 char v_ident; /* 50 identifies type of vioc */ 37 char v_fault; /* 51 denotes fault or ready after reset */ 38 short v_dcd; /* 52 bit mask for carr detect by port */ 39 short v_cts; /* 54 bit mask for cts by port */ 40 short v_dsr; /* 56 bit mask for dsr by port */ 41 short v_secrec; /* 58 bit mask for secondary receive */ 42 short v_badport; /* 5a bit mask of failed ports */ 43 char v_portyp[16]; /* 5c type of each port */ 44 }; 45 46 /* control bits for v_vioc and v_hdwre */ 47 #define V_RESET 0x1 /* cause a vioc reset */ 48 #define V_TRP 0x2 /* cause a vioc trap */ 49 #define V_INTR 0x4 /* cause a vioc interrupt */ 50 #define V_ERR 0x80 /* generic error flag */ 51 #define V_BSY 0x80 /* generic busy flag */ 52 #define V_UNBSY 0x80 /* not busy for unsolicited interrupt */ 53 54 /* command identifier codes */ 55 #define VXC_LIDENT 0x0000 /* load ident, set int vectors */ 56 #define VXC_XMITDTA 0x0200 /* transmit */ 57 #define VXC_XMITIMM 0x0400 /* xmit immediate */ 58 #define VXC_FDTATOX 0x0300 /* flush data */ 59 #define VXC_LPARAX 0x0600 /* load params */ 60 #define VXC_SNDBRKX 0x0C00 /* send break to port */ 61 #define VXC_MDMCTL 0x1000 /* auto modem control */ 62 /* bisync specific command identifiers */ 63 #define VXC_LPARAX1 0x060a 64 #define VXC_MDMCTL1 0x1004 65 #define VXC_HUNTMD1 0x0804 66 67 /* vioc types returned during config */ 68 #define VXT_VIOCBOP 0x05 /* vioc-bop */ 69 #define VXT_PVIOCX 0x0A /* old connector panel vioc-x */ 70 #define VXT_VIOCX 0x0B /* new connector panel vioc-x */ 71 #define VXT_VIOCB 0x0C /* vioc-bisync */ 72 #define VXT_NEW 0x10 /* new type bit (or'd in) */ 73 74 #define VX_BISYNC 0x1 /* bisync flag indicator for bscport */ 75 76 /* connector panel types (per port) */ 77 #define VXT_NONE 0 /* no connector panel */ 78 #define VXT_8PORT 1 /* 8 port RS-232C */ 79 #define VXT_RS422 2 /* 8 port RS-422 (nonexistent) */ 80 #define VXT_4PORT 3 /* 4 port RS-232 (with DSR/RING) */ 81 #define VXT_PARALLEL 4 /* 4 port panel parallel port */ 82 83 /* v_fault status values */ 84 #define VXF_READY 0x55 /* no err in vioc self-initializaton */ 85 86 /* line parameters, set with VXC_LPARAX */ 87 #define BITS5 0x00 /* 5 bits per character */ 88 #define BITS6 0x80 /* 6 bits per character */ 89 #define BITS7 0x40 /* 7 bits per character */ 90 #define BITS8 0xc0 /* 8 bits per character */ 91 92 #define VNOPARITY 0x00 /* no parity bit */ 93 #define VODDP 0x01 /* odd parity bit */ 94 #define VEVENP 0x03 /* even parity bit */ 95 96 #define VSTOP1 0x04 /* 1 stop bit */ 97 #define VSTOP2 0x0c /* 2 stop bit */ 98 99 #define V19200 0x13 /* 19.2 kbaud */ 100 101 /* modem control flags */ 102 #define VMOD_ON 1 103 #define VMOD_OFF 0 104 105 #define V_AUTO 0x00 /* auto control of RTS, uses CTS */ 106 #define V_MANUAL 0x80 /* manual control of RTS, ignore CTS */ 107 #define V_DTR_ON 0x02 /* set DTR output */ 108 #define V_DTR_OFF 0x00 /* drop DTR output */ 109 #define V_RTS 0x01 /* set RTS output (manual only) */ 110 111 #define BRK_CHR 040 /* break character */ 112 #define DCD_ON 020 /* */ 113 #define DCD_OFF 010 /* */ 114 #define CTS_ON 004 /* */ 115 #define DSR_ON 0200 /* modem signal states for bisync */ 116 #define DSR_OFF 0100 117 #define DSR_CHG (DSR_ON|DSR_OFF) 118 119 #define VX_SILO 0x800 /* offset to base of silo */ 120 121 /* input status bits returned in silo */ 122 #define VX_PE 0x40 /* parity error */ 123 #define VX_FE 0x80 /* framing error */ 124 #define VX_RO 0xc0 /* receiver overrun */ 125 126 #define VRESPLEN 12 127 #define VCMDLEN 64 128 #define VC_IQLEN 64 /* Interrupt circular queue length */ 129 #define NVCXBUFS 16*3 /* 3 bufs per port per viocx */ 130 #define VC_CMDBUFL NVCXBUFS /* circular cmd (to exec) queue len*/ 131 132 struct vcmds { 133 int v_cmdsem; /* # cmds waiting for itrque */ 134 int v_curcnt; /* # cmds in itrque and executing */ 135 caddr_t v_curcmd[VCMDLEN]; /* pointers to cmds being executed */ 136 int v_fill; /* circular fill index */ 137 int v_empty; /* circular empty index */ 138 caddr_t cmdbuf[VC_CMDBUFL]; /* circular cmd (to exec) queue */ 139 int v_itrfill; /* circular intr issue queue fill */ 140 int v_itrempt; /* circular intr issue queue empty */ 141 short v_itrqueu[VC_IQLEN]; /* circular intr issue queue */ 142 }; 143 144 struct vxcmd { 145 struct vxcmd *c_fwd; 146 short cmd; 147 char par[58]; /* pad to 64 total size */ 148 }; 149 150 struct vxmit { 151 char line; 152 char bcount; 153 char ostream[6]; 154 }; 155 156 #define SSPEED 13 /* standard speed 9600 bps */ 157