afhba-llcontrol.c File Reference

device driver memory mapping interface. More...

#include <sched.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <string.h>
#include <errno.h>
#include <fcntl.h>
#include <sys/ioctl.h>
#include <sys/mman.h>
#include <sys/types.h>
#include "afhba-llcontrol.h"
#include <time.h>

Go to the source code of this file.

Macros
#define	_GNU_SOURCE
#define	HB_FILE   "/dev/rtm-t.%lu"
#define	LOG_FILE   "afhba.%d.log"
#define	HB1   "/dev/rtm-t.%d.data/hb01"
#define	HB_LEN   0x100000 /* 1MB HOST BUFFERSW */
#define	NS   1000000000
#define	US   1000000
#define	NSUS   (NS/US)
#define	DEF_NCHAN   16

Functions
unsigned	difftime_us (void)
void *	get_mapping (dev_t devnum, int *pfd)
void	clear_mapping (int fd, void *hb)
void	setAffinity (unsigned cpu_mask)
void	goRealTime (void)

Variables
int	nchan = DEF_NCHAN
int	spadlongs = 16
int	sched_fifo_priority

Detailed Description

device driver memory mapping interface.

Definition in file afhba-llcontrol.c.

Macro Definition Documentation

_GNU_SOURCE

#define _GNU_SOURCE

Definition at line 29 of file afhba-llcontrol.c.

DEF_NCHAN

#define DEF_NCHAN   16

Definition at line 58 of file afhba-llcontrol.c.

HB1

#define HB1   "/dev/rtm-t.%d.data/hb01"

Definition at line 47 of file afhba-llcontrol.c.

HB_FILE

#define HB_FILE   "/dev/rtm-t.%lu"

Definition at line 44 of file afhba-llcontrol.c.

HB_LEN

#define HB_LEN   0x100000 /* 1MB HOST BUFFERSW */

Definition at line 49 of file afhba-llcontrol.c.

LOG_FILE

#define LOG_FILE   "afhba.%d.log"

Definition at line 45 of file afhba-llcontrol.c.

NS

#define NS   1000000000

Definition at line 53 of file afhba-llcontrol.c.

NSUS

#define NSUS   (NS/US)

Definition at line 55 of file afhba-llcontrol.c.

US

#define US   1000000

Definition at line 54 of file afhba-llcontrol.c.

Function Documentation

clear_mapping()

void clear_mapping	(	int	fd,
		void *	hb
	)

Definition at line 108 of file afhba-llcontrol.c.

difftime_us()

unsigned difftime_us

(

void

)

Definition at line 63 of file afhba-llcontrol.c.

get_mapping()

void* get_mapping	(	dev_t	devnum,
		int *	pfd
	)

Definition at line 86 of file afhba-llcontrol.c.

goRealTime()

void goRealTime

(

void

)

Definition at line 138 of file afhba-llcontrol.c.

setAffinity()

void setAffinity

(

unsigned

cpu_mask

)

Definition at line 113 of file afhba-llcontrol.c.

Variable Documentation

nchan

int nchan = DEF_NCHAN

Definition at line 59 of file afhba-llcontrol.c.

sched_fifo_priority

int sched_fifo_priority

Definition at line 136 of file afhba-llcontrol.c.

spadlongs

int spadlongs = 16

Definition at line 60 of file afhba-llcontrol.c.