113 lines
1.9 KiB
C
Executable File
113 lines
1.9 KiB
C
Executable File
|
|
/*
|
|
* Copyright (c) 1993 by Sun Microsystems, Inc.
|
|
*/
|
|
|
|
#pragma ident "@(#)disk_generic.c 1.4 94/09/25 SMI"
|
|
|
|
/*
|
|
* This file contains functions that implement the fdisk menu commands.
|
|
*/
|
|
#include "global.h"
|
|
#include <sys/time.h>
|
|
#include <sys/resource.h>
|
|
#include <sys/wait.h>
|
|
#include <signal.h>
|
|
#include <string.h>
|
|
#include <sys/fcntl.h>
|
|
#include <sys/stat.h>
|
|
|
|
#include <sys/dklabel.h>
|
|
#include <errno.h>
|
|
|
|
|
|
#include "main.h"
|
|
#include "analyze.h"
|
|
#include "menu.h"
|
|
#include "menu_command.h"
|
|
#include "menu_defect.h"
|
|
#include "menu_partition.h"
|
|
#include "menu_fdisk.h"
|
|
#include "param.h"
|
|
#include "misc.h"
|
|
#include "label.h"
|
|
#include "startup.h"
|
|
#include "partition.h"
|
|
#include "prompts.h"
|
|
#include "checkmount.h"
|
|
#include "io.h"
|
|
#include "ctlr_scsi.h"
|
|
#include "auto_sense.h"
|
|
#include "disk_generic.h"
|
|
|
|
struct ctlr_ops genericops = {
|
|
generic_rdwr,
|
|
generic_ck_format,
|
|
0,
|
|
0,
|
|
0,
|
|
0,
|
|
0,
|
|
};
|
|
|
|
|
|
/*
|
|
* Check to see if the disk has been formatted.
|
|
* If we are able to read the first track, we conclude that
|
|
* the disk has been formatted.
|
|
*/
|
|
int
|
|
generic_ck_format()
|
|
{
|
|
int status;
|
|
|
|
/*
|
|
* Try to read the first four blocks.
|
|
*/
|
|
status = generic_rdwr(DIR_READ, cur_file, 0, 4, (caddr_t)cur_buf,
|
|
F_SILENT);
|
|
return (!status);
|
|
}
|
|
|
|
/*
|
|
* Read or write the disk.
|
|
* Temporary interface until IOCTL interface finished.
|
|
*/
|
|
int
|
|
generic_rdwr(dir, fd, blkno, secnt, bufaddr, flags)
|
|
int dir;
|
|
int fd;
|
|
daddr_t blkno;
|
|
int secnt;
|
|
caddr_t bufaddr;
|
|
int flags;
|
|
{
|
|
|
|
int tmpsec, status, tmpblk;
|
|
|
|
tmpsec = secnt * UBSIZE;
|
|
tmpblk = blkno * UBSIZE;
|
|
|
|
if (dir == DIR_READ) {
|
|
status = lseek(fd, tmpblk, SEEK_SET);
|
|
if (status != tmpblk)
|
|
return (status);
|
|
|
|
status = read(fd, bufaddr, tmpsec);
|
|
if (status != tmpsec)
|
|
return (tmpsec);
|
|
else
|
|
return (0);
|
|
} else {
|
|
status = lseek(fd, tmpblk, SEEK_SET);
|
|
if (status != tmpblk)
|
|
return (status);
|
|
|
|
status = write(fd, bufaddr, tmpsec);
|
|
if (status != tmpsec)
|
|
return (tmpsec);
|
|
else
|
|
return (0);
|
|
}
|
|
}
|