+++ /dev/null
-/*
- * Amanda, The Advanced Maryland Automatic Network Disk Archiver
- * Copyright (c) 1991-2000 University of Maryland at College Park
- * All Rights Reserved.
- *
- * Permission to use, copy, modify, distribute, and sell this software and its
- * documentation for any purpose is hereby granted without fee, provided that
- * the above copyright notice appear in all copies and that both that
- * copyright notice and this permission notice appear in supporting
- * documentation, and that the name of U.M. not be used in advertising or
- * publicity pertaining to distribution of the software without specific,
- * written prior permission. U.M. makes no representations about the
- * suitability of this software for any purpose. It is provided "as is"
- * without express or implied warranty.
- *
- * U.M. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL U.M.
- * BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
- * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
- * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
- * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
- *
- * Authors: the Amanda Development Team. Its members are listed in a
- * file named AUTHORS, in the root directory of this distribution.
- */
-/*
- * $Id: scsi-hpux.c,v 1.15 2006/05/25 01:47:07 johnfranks Exp $
- *
- * scsi-chio.c -- library routines to handle the changer
- * support for chio based systems
- *
- * Author: Eric Schnoebelen, eric@cirr.com
- * interface based on work by: Larry Pyeatt, pyeatt@cs.colostate.edu
- * Copyright: 1997, 1998 Eric Schnoebelen
- *
- * Michael C. Povel 03.06.98 added dummy for eject_tape
- */
-
-#include "amanda.h"
-
-# include <sys/scsi.h>
-# include <sys/mtio.h> /* for eject_tape ioctls */
-
-char *moddesc = "@(#)" __FILE__
- ": HP/UX SCSI changer support routines @(#)";
-
-/*
- * a cache of the robotics information, for use elsewhere
- */
-static struct element_addresses changer_info;
-static int changer_info_init = 0;
-
-
-/* Get the number of the first free slot
- * return > 0 number of empty slot
- * return = 0 no slot free
- * return < 0 error
- */
-int GetCurrentSlot(int fd)
-{
-
-}
-
-static int get_changer_info(fd)
-{
- int rc = 0;
-
- if (!changer_info_init) {
- rc = ioctl(fd, SIOC_ELEMENT_ADDRESSES, &changer_info);
- changer_info_init++;
- }
- return (rc);
-}
-
-int get_clean_state(char *dev)
-{
-#if 0
-/*
- This code works for Linux ....
- maybe someone can do something like this under HPUX
-*/
- int status;
- unsigned char *cmd;
- unsigned char buffer[255];
- int filenr;
-
- if ((filenr = open(dev, O_RDWR)) < 0) {
- perror(dev);
- return 0;
- }
- memset(buffer, 0, SIZEOF(buffer));
-
- *((int *) buffer) = 0; /* length of input data */
- *(((int *) buffer) + 1) = 100; /* length of output buffer */
-
- cmd = (char *) (((int *) buffer) + 2);
-
- cmd[0] = 0x4d; /* LOG SENSE */
- cmd[2] = (1 << 6)|0x33; /* PageControl, PageCode */
- cmd[7] = 00; /* allocation length hi */
- cmd[8] = 100; /* allocation length lo */
-
- status = ioctl(filenr, 1 /* SCSI_IOCTL_SEND_COMMAND */ , buffer);
-
- if (status)
- return 0;
-
- if ((buffer[16] & 0x1) == 1)
- return 1;
-
-#endif
- return 0;
-
-}
-
-
-void eject_tape(char *tape)
- /* This function ejects the tape from the drive */
-{
-/*
- This code works for Linux ....
- This code works for HPUX too, see 'man 7 mt'
-*/
- int mtfd;
- struct mtop mt_com;
-
- if ((mtfd = open(tape, O_RDWR)) < 0) {
- perror(tape);
- exit(2);
- }
- mt_com.mt_op = MTOFFL;
- mt_com.mt_count = 1;
- if (ioctl(mtfd, MTIOCTOP, (char *)&mt_com) < 0) {
-/* Ignore the error
- perror(tape);
- exit(2);
-*/
- }
- close(mtfd);
-}
-
-/*
- * this routine checks a specified slot to see if it is empty
- */
-int isempty(int fd, int slot)
-{
-struct element_status es;
-int rc;
-
- /*
- * fill the cache as required
- */
- get_changer_info(fd);
-
- es.element = changer_info.first_storage + slot;
-
- rc = ioctl(fd, SIOC_ELEMENT_STATUS, &es);
- if (rc) {
- g_fprintf(stderr, _("%s: element status query failed: 0x%x %s\n"),
- get_pname(), rc, strerror(errno));
- return(-1);
- }
-
- return !es.full;
-}
-
-/*
- * find the first empty slot
- */
-int find_empty(int fd, int start, int count)
-{
-struct element_status es;
-int i, rc;
-
- get_changer_info(fd);
-
- i = changer_info.first_storage;
- do {
- es.element = i++;
- rc = ioctl(fd, SIOC_ELEMENT_STATUS, &es);
- } while ( (i <= (changer_info.first_storage + changer_info.num_storages))
- && !rc && es.full);
-
- if (rc) {
- g_fprintf(stderr,_("%s: element status query failed: 0x%x %s\n"),
- get_pname(), rc, strerror(errno));
- return -1;
- }
- return (i - changer_info.first_storage - 1);
-}
-
-/*
- * returns one if there is a tape loaded in the drive
- */
-int drive_loaded(int fd, int drivenum)
-{
-struct element_status es;
-int i,rc;
-
- get_changer_info(fd);
-
- es.element = changer_info.first_data_transfer + drivenum;
-
- rc = ioctl(fd, SIOC_ELEMENT_STATUS, &es);
- if (rc) {
- g_fprintf(stderr,_("%s: drive status quer failed: 0x%x %s\n"),
- get_pname(), rc, strerror(errno));
- return(-1);
- }
-
- return es.full;
-}
-
-
-/*
- * unloads the drive, putting the tape in the specified slot
- */
-int unload(int fd, int drive, int slot)
-{
-struct move_medium_parms move;
-int rc;
-
- get_changer_info(fd);
-
- /*
- * pick the first transport, just for simplicity
- */
- move.transport = changer_info.first_transport;
-
- move.source = changer_info.first_data_transfer + drive;
- move.destination = changer_info.first_storage + slot;
- move.invert = 0;
-
- rc = ioctl(fd, SIOC_MOVE_MEDIUM, &move);
- if (rc){
- g_fprintf(stderr,_("%s: move medium command failed: 0x%x %s\n"),
- get_pname(), rc, strerror(errno));
- return(-2);
- }
- return 0;
-}
-
-
-/*
- * moves tape from the specified slot into the drive
- */
-int load(int fd, int drive, int slot)
-{
-struct move_medium_parms move;
-int rc;
-
- get_changer_info(fd);
-
- /*
- * use the first transport defined in the changer, for lack of a
- * better choice..
- */
- move.transport = changer_info.first_transport;
-
- move.source = changer_info.first_storage + slot;
- move.destination = changer_info.first_data_transfer + drive;
- move.invert = 0;
-
- rc = ioctl(fd, SIOC_MOVE_MEDIUM,&move);
- if (rc){
- g_fprintf(stderr,_("%s: drive load failed (MOVE): 0x%x %s\n"),
- get_pname(), rc, strerror(errno));
- return(-2);
- }
- return (rc);
-}
-
-int get_slot_count(int fd)
-{
-int rc;
-
- rc = get_changer_info(fd);
- if (rc) {
- g_fprintf(stderr, _("%s: storage size query failed: 0x%x %s\n"), get_pname(),
- rc, strerror(errno));
- return -1;
- }
-
- return(changer_info.num_storages);
-
-}
-
-int get_drive_count(int fd)
-{
- int rc;
-
- rc = get_changer_info(fd);
- if (rc) {
- g_fprintf(stderr, _("%s: drive count query failed: 0x%x %s\n"), get_pname(),
- rc, strerror(errno));
- return -1;
- }
-
- return changer_info.num_data_transfers;
-}
-
-/* This function should ask the drive if it is ready */
-int Tape_Ready(char *tapedev, char *changerdev, int changerfd, int wait)
-{
- FILE *out=NULL;
- int cnt=0;
-
- if (strcmp(tapedev, changerdev) == 0)
- {
- sleep(wait);
- return(0);
- }
-
- while ((cnt<wait) && (NULL==(out=fopen(tapedev,"w+")))){
- cnt++;
- sleep(1);
- }
- if (out != NULL)
- fclose(out);
- return 0;
-}
-
-int OpenDevice(char * tapedev)
-{
- int DeviceFD;
-
- DeviceFD = open(tapedev, O_RDWR);
- dbprintf(_("OpenDevice(%s) returns %d\n"), tapedev, DeviceFD);
- return(DeviceFD);
-}
-
-int CloseDevice(char *device, int DeviceFD)
-{
- int ret;
-
- ret = close(DeviceFD);
- dbprintf(_("CloseDevice(%s) returns %d\n"), device, ret);
- return(ret);
-}
projects / debian / amanda / blobdiff