ip2mkdev.c
上传用户:lgb322
上传日期:2013-02-24
资源大小:30529k
文件大小:3k
- #include <sys/types.h>
- #include <sys/stat.h>
- #include <linux/major.h>
- #include <fcntl.h>
- #include <unistd.h>
- #include <stdio.h>
- #include "ip2.h"
- #include "i2ellis.h"
- char nm[256];
- i2eBordStr Board[2];
- static void ex_details(i2eBordStrPtr);
- int main (int argc, char *argv[])
- {
- int board, box, port;
- int fd;
- int dev;
- i2eBordStrPtr pB = Board;
- // Remove all IP2 devices
- for ( board = 0; board < 4; ++board )
- {
- sprintf ( nm, "/dev/ip2ipl%d", board );
- unlink ( nm );
- sprintf ( nm, "/dev/ip2stat%d", board );
- unlink ( nm );
- }
- for ( port = 0; port < 256; ++port )
- {
- sprintf ( nm, "/dev/ttyF%d", port );
- unlink ( nm );
- sprintf ( nm, "/dev/cuf%d", port );
- unlink ( nm );
- }
- // Now create management devices, and use the status device to determine how
- // port devices need to exist, and then create them.
- for ( board = 0; board < 4; ++board )
- {
- printf("Board %d: ", board );
- sprintf ( nm, "/dev/ip2ipl%d", board );
- mknod ( nm, S_IFCHR|0666, (IP2_IPL_MAJOR << 8) | board * 4 );
- sprintf ( nm, "/dev/ip2stat%d", board );
- mknod ( nm, S_IFCHR|0666, (IP2_IPL_MAJOR << 8) | board * 4 + 1 );
- fd = open ( nm, O_RDONLY );
- if ( !fd )
- {
- printf ( "Unable to open status device %sn", nm );
- exit ( 1 );
- }
- if ( ioctl ( fd, 65, Board ) < 0 )
- {
- printf ( "not presentn" );
- close ( fd );
- unlink ( nm );
- sprintf ( nm, "/dev/ip2ipl%d", board );
- unlink ( nm );
- }
- else
- {
- switch( pB->i2ePom.e.porID & ~POR_ID_RESERVED )
- {
- case POR_ID_FIIEX: ex_details ( pB ); break;
- case POR_ID_II_4: printf ( "ISA-4" ); break;
- case POR_ID_II_8: printf ( "ISA-8 std" ); break;
- case POR_ID_II_8R: printf ( "ISA-8 RJ11" ); break;
-
- default:
- printf ( "Unknown board type, ID = %x", pB->i2ePom.e.porID );
- }
- for ( box = 0; box < ABS_MAX_BOXES; ++box )
- {
- for ( port = 0; port < ABS_BIGGEST_BOX; ++port )
- {
- if ( pB->i2eChannelMap[box] & ( 1 << port ) )
- {
- dev = port
- + box * ABS_BIGGEST_BOX
- + board * ABS_BIGGEST_BOX * ABS_MAX_BOXES;
-
- sprintf ( nm, "/dev/ttyF%d", dev );
- mknod ( nm, S_IFCHR|0666, (IP2_TTY_MAJOR << 8) | dev );
- sprintf ( nm, "/dev/cuf%d", dev );
- mknod ( nm, S_IFCHR|0666, (IP2_CALLOUT_MAJOR << 8) | dev );
- printf(".");
- }
- }
- }
- printf("n");
- }
- }
- }
- static void ex_details ( i2eBordStrPtr pB )
- {
- int box;
- int i;
- int ports = 0;
- int boxes = 0;
- for( box = 0; box < ABS_MAX_BOXES; ++box )
- {
- if( pB->i2eChannelMap[box] != 0 ) ++boxes;
- for( i = 0; i < ABS_BIGGEST_BOX; ++i )
- {
- if( pB->i2eChannelMap[box] & 1<< i ) ++ports;
- }
- }
- printf("EX bx=%d pt=%d %d bit", boxes, ports, pB->i2eDataWidth16 ? 16 : 8 );
- }