/* * CDDL HEADER START * * The contents of this file are subject to the terms of the * Common Development and Distribution License, Version 1.0 only * (the "License"). You may not use this file except in compliance * with the License. * * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE * or http://www.opensolaris.org/os/licensing. * See the License for the specific language governing permissions * and limitations under the License. * * When distributing Covered Code, include this CDDL HEADER in each * file and include the License file at usr/src/OPENSOLARIS.LICENSE. * If applicable, add the following below this CDDL HEADER, with the * fields enclosed by brackets "[]" replaced with your own identifying * information: Portions Copyright [yyyy] [name of copyright owner] * * CDDL HEADER END */ /* * Copyright (c) 1991,1997-1998 by Sun Microsystems, Inc. * All rights reserved. */ #ifndef _SYS_SER_SYNC_H #define _SYS_SER_SYNC_H /* * Initial port setup parameters for sync lines */ #include <sys/stream.h> #include <sys/time_impl.h> #include <sys/ioccom.h> #ifdef __cplusplus extern "C" { #endif #define zIOC ('z' << 8) #define S_IOCGETMODE (zIOC|01) /* return struct scc_mode */ #define S_IOCSETMODE (zIOC|02) /* set SCC from struct scc_mode */ #define S_IOCGETSTATS (zIOC|03) /* return sync data stats */ #define S_IOCCLRSTATS (zIOC|04) /* clear sync stats */ #define S_IOCGETSPEED (zIOC|05) /* return int baudrate */ #define S_IOCGETMRU (zIOC|06) /* return int max receive unit */ #define S_IOCSETMRU (zIOC|07) /* set max receive unit */ #define S_IOCGETMTU (zIOC|010) /* return int max transmission unit */ #define S_IOCSETMTU (zIOC|011) /* set max transmission unit */ #define S_IOCGETMCTL (zIOC|012) /* return current CD/CTS state */ #define S_IOCSETDTR (zIOC|013) /* Drive DTR signal */ /* reason codes for IOCSETMODE */ #define SMERR_TXC 0x0001 /* transmit clock source not valid */ #define SMERR_RXC 0x0002 /* receive clock source not valid */ #define SMERR_IFLAGS 0x0004 /* inversion flags not valid */ #define SMERR_HDX 0x0008 /* CONN_HDX set without CONN_IBM */ #define SMERR_MPT 0x0010 /* CONN_MPT set without CONN_IBM */ #define SMERR_LPBKS 0x0020 /* invalid loopback/echo combination */ #define SMERR_BAUDRATE 0x0040 /* baudrate translates to 0 timeconst */ #define SMERR_PLL 0x0080 /* PLL set with BRG or w/o NRZI */ /* * Definitions for modes of operations of * synchronous lines, both RS-232 and RS-449 */ struct scc_mode { char sm_txclock; /* enum - transmit clock sources */ char sm_rxclock; /* enum - receive clock sources */ char sm_iflags; /* data and clock invert flags: see hsparam.h */ uchar_t sm_config; /* see CONN defines below */ int sm_baudrate; int sm_retval; /* SMERR codes go here, query with GETMODE */ }; /* * defines for txclock */ #define TXC_IS_TXC 0 /* use incoming transmit clock */ #define TXC_IS_RXC 1 /* use incoming receive clock */ #define TXC_IS_BAUD 2 /* use baud rate generator */ #define TXC_IS_PLL 3 /* use phase-lock loop output */ /* * defines for rxclock */ #define RXC_IS_RXC 0 /* use incoming receive clock */ #define RXC_IS_TXC 1 /* use incoming transmit clock */ #define RXC_IS_BAUD 2 /* use baud rate - only good for loopback */ #define RXC_IS_PLL 3 /* use phase-lock loop */ /* * defines for clock/data inversion: from hsparam.h */ #define TXC_IS_SYSCLK 4 #define RXC_IS_SYSCLK 4 #define TXC_IS_INVERT 5 #define RXC_IS_INVERT 5 #define TRXD_NO_INVERT 0 #define RXD_IS_INVERT 1 #define TXD_IS_INVERT 2 #define TRXD_IS_INVERT 3 /* * defines for config */ #define CONN_HDX 0x01 /* half-duplex if set, else full-duplex */ #define CONN_MPT 0x02 /* multipoint if set, else point-point */ #define CONN_IBM 0x04 /* set up in IBM-SDLC mode */ #define CONN_SIGNAL 0x08 /* report modem signal changes asynchronously */ #define CONN_NRZI 0x10 /* boolean - use NRZI */ #define CONN_LPBK 0x20 /* do internal loopback */ #define CONN_ECHO 0x40 /* place in auto echo mode */ struct sl_status { int type; int status; timestruc_t tstamp; }; #if defined(_SYSCALL32) struct sl_status32 { int32_t type; int32_t status; timestruc32_t tstamp; }; #endif /* _SYSCALL32 */ /* * defines for type field in sl_status */ #define SLS_MDMSTAT 0x01 /* Non-IBM modem line status change */ #define SLS_LINKERR 0x02 /* IBM mode Link Error, usually modem line. */ /* * defines for status field in sl_status * DO NOT change the values for CS_(DCD|CTS)_(UP|DOWN)!!! */ #define CS_DCD_DOWN 0x08 #define CS_DCD_UP 0x0c #define CS_DCD_DROP 0x10 #define CS_CTS_DOWN 0x20 #define CS_CTS_UP 0x30 #define CS_CTS_DROP 0x40 #define CS_CTS_TO 0x80 #define CS_DCD CS_DCD_DOWN #define CS_CTS CS_CTS_DOWN /* * Event statistics reported by hardware. */ struct sl_stats { int ipack; /* input packets */ int opack; /* output packets */ int ichar; /* input bytes */ int ochar; /* output bytes */ int abort; /* abort received */ int crc; /* CRC error */ int cts; /* CTS timeouts */ int dcd; /* Carrier drops */ int overrun; /* receiver overrun */ int underrun; /* xmitter underrun */ int ierror; /* input error (rxbad) */ int oerror; /* output error (watchdog timeout) */ int nobuffers; /* no active receive block available */ }; /* * Per-stream structure. Each of these points to only one device instance, * but there may be more than one doing so. If marked as ST_CLONE, it has * been opened throught the clone device, and cannot have the data path. */ struct ser_str { queue_t *str_rq; /* This stream's read queue */ caddr_t str_com; /* Back pointer to device struct */ int str_inst; /* Device instance (unit) number */ int str_state; /* see below */ }; /* * Synchronous Protocol Private Data Structure */ #define ZSH_MAX_RSTANDBY 6 #define ZSH_RDONE_MAX 20 struct syncline { struct ser_str sl_stream; /* data path device points thru here */ struct scc_mode sl_mode; /* clock, etc. modes */ struct sl_stats sl_st; /* Data and error statistics */ mblk_t *sl_rhead; /* receive: head of active message */ mblk_t *sl_ractb; /* receive: active message block */ mblk_t *sl_rstandby[ZSH_MAX_RSTANDBY]; /* receive: standby message blocks */ mblk_t *sl_xhead; /* transmit: head of active message */ mblk_t *sl_xactb; /* transmit: active message block */ mblk_t *sl_xstandby; /* transmit: next available message */ mblk_t *sl_rdone[ZSH_RDONE_MAX]; /* complete messages to be sent up */ int sl_rdone_wptr; int sl_rdone_rptr; mblk_t *sl_mstat; /* most recent modem status change */ bufcall_id_t sl_bufcid; /* pending bufcall ID */ timeout_id_t sl_wd_id; /* watchdog timeout ID */ int sl_wd_count; /* watchdog counter */ int sl_ocnt; /* output message size */ int sl_mru; /* Maximum Receive Unit */ int sl_bad_count_int; uchar_t sl_rr0; /* saved RR0 */ uchar_t sl_address; /* station address */ uchar_t sl_txstate; /* transmit state */ uchar_t sl_flags; /* see below */ uchar_t sl_m_error; volatile uchar_t sl_soft_active; /* */ }; /* * Bit definitions for sl_txstate. */ #define TX_OFF 0x0 /* Not available */ #define TX_IDLE 0x1 /* Initialized */ #define TX_RTS 0x2 /* IBM: RTS up, okay to transmit */ #define TX_ACTIVE 0x4 /* Transmission in progress */ #define TX_CRC 0x8 /* Sent all Data */ #define TX_FLAG 0x10 /* Sent CRC bytes */ #define TX_LAST 0x20 /* End-Of-Frame, OK to start new msg */ #define TX_ABORTED 0x40 /* Transmit was aborted */ /* * Bit definitions for sl_flags. */ #define SF_FDXPTP 0x1 /* Full duplex AND Point-To-Point */ #define SF_XMT_INPROG 0x2 /* Write queue is not empty */ #define SF_LINKERR 0x4 /* Underrun or CTS/DCD drop */ #define SF_FLUSH_WQ 0x8 /* */ #define SF_INITIALIZED 0x10 /* This channel programmed for this protocol */ #define SF_PHONY 0x20 /* Dummy frame has been sent to close frame */ #define SF_ZSH_START 0x40 /* */ /* * Bit definitions for str_state. */ #define STR_CLONE 1 /* This was opened thru clone device */ extern int hz; #define SIO_WATCHDOG_TICK (2 * hz) /* Two second timeout */ #define SIO_WATCHDOG_ON (zss->sl_wd_id > 0) /* Is it on? */ #ifdef __cplusplus } #endif #endif /* !_SYS_SER_SYNC_H */
