projects / unix-history / blame
| Commit | Line | Data |
|---|---|---|
| 3155ebd2 | 1 | /* vxreg.h 1.2 86/01/13 */ |
| b56a1465 SL |
2 | |
| 3 | /* | |
| 3155ebd2 | 4 | * Vioc hardware interface structure. |
| b56a1465 | 5 | */ |
| 3155ebd2 SL |
6 | struct vxdevice { |
| 7 | char v_vioc; /* 0 type of interrupt + vioc busy flag */ | |
| b56a1465 SL |
8 | char v_hdwre; /* 1 trap, reset, or hard interrupt */ |
| 9 | char v_vcbsy; /* 2 command busy (set by host) */ | |
| 3155ebd2 | 10 | char v_vcid; /* 3 command identifier */ |
| b56a1465 SL |
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 */ | |
| 3155ebd2 | 15 | char v_uqual; /* d interrupt qualifier */ |
| b56a1465 | 16 | char v_usdata[0x3E]; /* e unsolicited interrupt data */ |
| 3155ebd2 SL |
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 */ | |
| b56a1465 SL |
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 */ | |
| b56a1465 SL |
27 | }; |
| 28 | ||
| 3155ebd2 SL |
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 | /* v_fault status values */ | |
| 60 | #define VXF_READY 0x55 /* no err in vioc self-initializaton */ | |
| 61 | ||
| 62 | /* modem control flags */ | |
| 63 | #define VMOD_ON 1 | |
| 64 | #define VMOD_OFF 0 | |
| 65 | ||
| 66 | #define V_ENAB 0002 /* auto + DTR */ | |
| 67 | #define V_DISAB 0000 /* auto + disable DTR */ | |
| 68 | ||
| 69 | #define BRK_CHR 040 /* break character */ | |
| 70 | #define DCD_ON 020 /* */ | |
| 71 | #define DCD_OFF 010 /* */ | |
| 72 | #define CTS_ON 004 /* */ | |
| 73 | #define DSR_ON 0200 /* modem signal states for bisync */ | |
| 74 | #define DSR_OFF 0100 | |
| 75 | #define DSR_CHG (DSR_ON|DSR_OFF) | |
| 76 | ||
| 77 | #define VX_SILO 0x800 /* offset to base of silo */ | |
| 78 | ||
| 79 | /* input status bits returned in silo */ | |
| 80 | #define VX_PE 0x40 /* parity error */ | |
| 81 | #define VX_FE 0x80 /* framing error */ | |
| 82 | #define VX_RO 0xc0 /* receiver overrun */ | |
| 83 | ||
| 84 | #define VRESPLEN 12 | |
| 85 | #define VCMDLEN 64 | |
| 86 | #define VC_IQLEN 64 /* Interrupt circular queue length */ | |
| 87 | #define NVCXBUFS 16*3 /* 3 bufs per port per viocx */ | |
| 88 | #define VC_CMDBUFL NVCXBUFS /* circular cmd (to exec) queue len*/ | |
| 89 | ||
| 90 | struct vcmds { | |
| 91 | int v_cmdsem; /* # cmds waiting for itrque */ | |
| 92 | int v_curcnt; /* # cmds in itrque and executing */ | |
| 93 | caddr_t v_curcmd[VCMDLEN]; /* pointers to cmds being executed */ | |
| 94 | int v_fill; /* circular fill index */ | |
| 95 | int v_empty; /* circular empty index */ | |
| 96 | caddr_t cmdbuf[VC_CMDBUFL]; /* circular cmd (to exec) queue */ | |
| 97 | int v_itrfill; /* circular intr issue queue fill */ | |
| 98 | int v_itrempt; /* circular intr issue queue empty */ | |
| 99 | short v_itrqueu[VC_IQLEN]; /* circular intr issue queue */ | |
| 100 | }; | |
| 101 | ||
| 102 | struct vxcmd { | |
| 103 | struct vxcmd *c_fwd; | |
| 104 | short cmd; | |
| 105 | char par[58]; /* pad to 64 total size */ | |
| 106 | }; | |
| 107 | ||
| 108 | struct vxmit { | |
| 109 | char line; | |
| 110 | char bcount; | |
| 111 | char ostream[6]; | |
| 112 | }; | |
| 113 | ||
| 114 | #define SSPEED 13 /* standard speed 9600 bps */ |