+++ /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-bsd.c,v 1.18 2006/05/25 01:47:07 johnfranks Exp $
- *
- * Interface to execute SCSI commands on an BSD System (FreeBSD)
- *
- * Copyright (c) Thomes Hepper th@ant.han.de
- */
-
-
-#include "amanda.h"
-
-#include <sys/scsiio.h>
-#include <sys/mtio.h>
-
-#include <scsi-defs.h>
-
-void SCSI_OS_Version()
-{
-#ifndef lint
- static char rcsid[] = "$Id: scsi-bsd.c,v 1.18 2006/05/25 01:47:07 johnfranks Exp $";
- DebugPrint(DEBUG_INFO, SECTION_INFO, "scsi-os-layer: %s\n",rcsid);
-#endif
-}
-
-
-/*
- * Check if the device is already open,
- * if no open it and save it in the list
- * of open files.
- *
- * Return:
- * 0 -> device not opened
- * 1 -> sucess , device open
- */
-int SCSI_OpenDevice(int ip)
-{
- extern OpenFiles_T *pDev;
- int i;
- char * DeviceName;
-
-
- /*
- * If the SCSI inquiry was not done lets try to get
- * some infos about the device
- */
- if (pDev[ip].inqdone == 0) {
- pDev[ip].inqdone = 1; /* Set it to 1, so the inq is done */
- pDev[ip].SCSI = 0; /* This will only be set if the inquiry works */
- pDev[ip].inquiry = (SCSIInquiry_T *)malloc(INQUIRY_SIZE);
-
- if (( pDev[ip].fd = open(pDev[ip].dev, O_RDWR)) >= 0) /* We need the device in read/write mode */
- {
- pDev[ip].devopen = 1; /* The device is open for use */
- pDev[ip].avail = 1; /* And it is available, it could be opened */
- if (SCSI_Inquiry(ip, pDev[ip].inquiry, INQUIRY_SIZE) == 0) /* Lets try to get the result of an SCSI inquiry */
- {
- if (pDev[ip].inquiry->type == TYPE_TAPE || pDev[ip].inquiry->type == TYPE_CHANGER) /* If it worked and we got an type of */
- /* either tape or changer continue */
- {
- for (i=0;i < 16 ;i++) /* Copy the product ident to the pDev struct */
- pDev[ip].ident[i] = pDev[ip].inquiry->prod_ident[i];
- for (i=15; i >= 0 && !isalnum(pDev[ip].ident[i]); i--) /* And terminate it with an \0, remove all white space */
- {
- pDev[ip].ident[i] = '\0';
- }
- pDev[ip].SCSI = 1; /* OK, its an SCSI device ... */
-
- if (pDev[ip].inquiry->type == TYPE_TAPE)
- {
- pDev[ip].type = stralloc("tape");
- }
-
- if (pDev[ip].inquiry->type == TYPE_CHANGER)
- {
- pDev[ip].type = stralloc("changer");
- }
-
- PrintInquiry(pDev[ip].inquiry); /* Some debug output */
- return(1); /* All done */
- } else {
- free(pDev[ip].inquiry); /* The SCSI was ok, but not an TAPE/CHANGER device ... */
- pDev[ip].devopen = 0;
- pDev[ip].avail = 0;
- close(pDev[ip].fd);
- return(0); /*Might be an ChgExit is better */
- }
- } else { /* if SCSI_Inquiry */ /* The inquiry failed */
- free(pDev[ip].inquiry); /* free the allocated memory */
- pDev[ip].inquiry = NULL;
- return(1); /* Its not an SCSI device, but can be used for read/write */
- }
- } /* open() */
- return(0); /* Open failed .... */
- } else { /* pDev[ip].inqdone */ /* OK this is the way we go if the device */
- if (( pDev[ip].fd = open(pDev[ip].dev, O_RDWR)) >= 0) /* was opened successfull before */
- {
- pDev[ip].devopen = 1;
- return(1);
- }
- }
- return(0); /* Default, return device not available */
-}
-
-/*
- * Close the device
- * abd set the flags in the device struct
- *
- */
-int SCSI_CloseDevice(int DeviceFD)
-{
- int ret;
- extern OpenFiles_T *pDev;
-
- ret = close(pDev[DeviceFD].fd) ;
- pDev[DeviceFD].devopen = 0;
- return(ret);
-}
-
-int SCSI_ExecuteCommand(int DeviceFD,
- Direction_T Direction,
- CDB_T CDB,
- size_t CDB_Length,
- void *DataBuffer,
- size_t DataBufferLength,
- RequestSense_T *pRequestSense,
- size_t RequestSenseLength)
-{
- extern OpenFiles_T *pDev;
- ExtendedRequestSense_T ExtendedRequestSense;
- scsireq_t ds;
- int Zero = 0, Result;
- int retries = 5;
- extern int errno;
-
- /* Basic sanity checks */
- assert(CDB_Length <= UCHAR_MAX);
- assert(RequestSenseLength <= UCHAR_MAX);
-
- /* Clear buffer for cases where sense is not returned */
- memset(pRequestSense, 0, RequestSenseLength);
-
- if (pDev[DeviceFD].avail == 0)
- {
- return(SCSI_ERROR);
- }
-
- memset(&ds, 0, SIZEOF(scsireq_t));
- memset(pRequestSense, 0, RequestSenseLength);
- memset(&ExtendedRequestSense, 0 , SIZEOF(ExtendedRequestSense_T));
-
- ds.flags = SCCMD_ESCAPE;
- /* Timeout */
- ds.timeout = 120000;
- /* Set the cmd */
- memcpy(ds.cmd, CDB, CDB_Length);
- ds.cmdlen = CDB_Length;
- /* Data buffer for results */
- if (DataBufferLength > 0)
- {
- ds.databuf = (caddr_t)DataBuffer;
- ds.datalen = DataBufferLength;
- }
- /* Sense Buffer */
- /*
- ds.sense = (u_char)pRequestSense;
- */
- ds.senselen = RequestSenseLength;
-
- switch (Direction)
- {
- case Input:
- ds.flags = ds.flags | SCCMD_READ;
- break;
- case Output:
- ds.flags = ds.flags | SCCMD_WRITE;
- break;
- }
-
- while (--retries > 0) {
-
- if (pDev[DeviceFD].devopen == 0)
- if (SCSI_OpenDevice(DeviceFD) == 0)
- return(SCSI_ERROR);
- Result = ioctl(pDev[DeviceFD].fd, SCIOCCOMMAND, &ds);
- SCSI_CloseDevice(DeviceFD);
-
- memcpy(pRequestSense, ds.sense, RequestSenseLength);
- if (Result < 0)
- {
- dbprintf("errno : %s\n",strerror(errno));
- return (SCSI_ERROR);
- }
- dbprintf("SCSI_ExecuteCommand(BSD) %02X STATUS(%02X) \n", CDB[0], ds.retsts);
- switch (ds.retsts)
- {
- case SCCMD_BUSY: /* BUSY */
- break;
-
- case SCCMD_OK: /* GOOD */
- return(SCSI_OK);
-
- case SCCMD_SENSE: /* CHECK CONDITION */
- return(SCSI_SENSE);
-
- default:
- continue;
- }
- }
- return(SCSI_SENSE);
-}
-
-/*
- * Send the command to the device with the
- * ioctl interface
- */
-int Tape_Ioctl( int DeviceFD, int command)
-{
- extern OpenFiles_T *pDev;
- struct mtop mtop;
- int ret = 0;
-
- if (pDev[DeviceFD].devopen == 0)
- if (SCSI_OpenDevice(DeviceFD) == 0)
- return(-1);
-
- switch (command)
- {
- case IOCTL_EJECT:
- mtop.mt_op = MTOFFL;
- mtop.mt_count = 1;
- break;
- default:
- break;
- }
-
- if (ioctl(pDev[DeviceFD].fd , MTIOCTOP, &mtop) != 0)
- {
- dbprintf(_("Tape_Ioctl error ioctl %s\n"),strerror(errno));
- SCSI_CloseDevice(DeviceFD);
- return(-1);
- }
-
- SCSI_CloseDevice(DeviceFD);
- return(ret);
-}
-
-int Tape_Status( int DeviceFD)
-{
-/*
- Not yet
-*/
- return(-1);
-}
-
-int ScanBus(int print)
-{
-/*
- Not yet
-*/
- return(-1);
-}
-
-/*
- * Local variables:
- * indent-tabs-mode: nil
- * c-file-style: gnu
- * End:
- */
projects / debian / amanda / blobdiff