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/***************************************************************************
lib/ibConf.h
-------------------
copyright : (C) 2001,2002 by Frank Mori Hess
email : fmhess@users.sourceforge.net
***************************************************************************/
/***************************************************************************
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
***************************************************************************/
#ifndef _IBCONF_H
#define _IBCONF_H
#include <unistd.h>
#include <sys/types.h>
#include <pthread.h>
/* meaning for flags */
#define CN_SDCL (1<<1) /* Send DCL on init */
#define CN_SLLO (1<<2) /* Send LLO on init */
#define CN_NETWORK (1<<3) /* is a network device */
#define CN_AUTOPOLL (1<<4) /* Auto serial poll devices */
#define CN_EXCLUSIVE (1<<5) /* Exclusive use only */
/*---------------------------------------------------------------------- */
struct async_operation
{
pthread_t thread; /* thread used for asynchronous io operations */
pthread_mutex_t lock;
pthread_mutex_t join_lock;
pthread_cond_t condition;
uint8_t *buffer;
volatile long buffer_length;
volatile int iberr;
volatile int ibsta;
volatile long ibcntl;
volatile short in_progress;
volatile short aio_type; /* The type of aio in progress */
volatile short abort;
};
typedef struct
{
int pad; /* device primary address */
int sad; /* device secodnary address (negative disables) */
int board; /* board index */
unsigned int usec_timeout;
unsigned int spoll_usec_timeout;
unsigned int ppoll_usec_timeout;
char eos; /* eos character */
int eos_flags;
int ppoll_config; /* current parallel poll configuration */
unsigned send_eoi : 1; /* assert EOI at end of writes */
unsigned local_lockout : 1; /* send local lockout when device is brought online */
unsigned readdr : 1; /* useless, exists for compatibility only at present */
unsigned send_unt_unl : 1; /* flag to send untalk unlisten after ibrd/ibwrt */
}descriptor_settings_t;
typedef struct ibConfStruct
{
int handle;
char name[100]; /* name of the device (for ibfind()) */
descriptor_settings_t defaults; /* initial settings stored so ibonl() can restore them */
descriptor_settings_t settings; /* various software settings for this descriptor */
char init_string[100]; /* initialization string (optional) */
int flags; /* some flags, deprecated */
struct async_operation async; /* used by asynchronous operations ibcmda(), ibrda(), etc. */
unsigned end : 1; /* EOI asserted or EOS received at end of IO operation */
unsigned is_interface : 1; /* is interface board */
unsigned board_is_open : 1;
unsigned has_lock : 1;
unsigned timed_out : 1; /* io operation timed out */
unsigned error_msg_disable : 1; /* flag to disable error messages in ibfind */
} ibConf_t;
/*---------------------------------------------------------------------- */
typedef struct ibBoardStruct {
char board_type[100]; /* name (model) of interface board */
unsigned long base; /* base configuration */
unsigned int irq;
unsigned int dma;
int pci_bus;
int pci_slot;
int fileno; /* device file descriptor */
unsigned int open_count; /* reference count */
unsigned is_system_controller : 1; /* board is busmaster or not */
unsigned use_event_queue : 1; /* use event queue, or DTAS/DCAS */
unsigned autospoll : 1; /* do auto serial polling */
char device[0x1000]; /* name of device file ( /dev/gpib0, etc.) */
char sysfs_device_path[0x1000]; /* sysfs device path, which may be used to select specific piece of hardware */
char serial_number[0x1000]; /* serial number, which may be used to select specific piece of hardware */
unsigned set_ren_on_sc : 1; /* enable REN when becoming system controlle */
} ibBoard_t;
#endif /* _IBCONF_H */
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