+++ /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-irix.c,v 1.23 2006/05/25 01:47:08 johnfranks Exp $
- *
- * Interface to execute SCSI commands on an SGI Workstation
- *
- * Copyright (c) Thomas Hepper th@ant.han.de
- */
-
-
-#include "amanda.h"
-
-#include <sys/scsi.h>
-#include <sys/dsreq.h>
-#include <sys/mtio.h>
-
-#include <scsi-defs.h>
-
-void SCSI_OS_Version()
-{
-#ifndef lint
- static char rcsid[] = "$Id: scsi-irix.c,v 1.23 2006/05/25 01:47:08 johnfranks Exp $";
- DebugPrint(DEBUG_INFO, SECTION_INFO, "scsi-os-layer: %s\n",rcsid);
-#endif
-}
-
-
-/*
- */
-int SCSI_OpenDevice(int ip)
-{
- extern OpenFiles_T *pDev;
- int DeviceFD;
- int i;
-
- if (pDev[ip].inqdone == 0)
- {
- if ((DeviceFD = open(pDev[ip].dev, O_RDWR | O_EXCL)) >= 0)
- {
- pDev[ip].inqdone = 1; pDev[ip].SCSI = 0;
- pDev[ip].avail = 1;
- pDev[ip].fd = DeviceFD;
- pDev[ip].inquiry = (SCSIInquiry_T *)malloc(INQUIRY_SIZE);
- if (SCSI_Inquiry(ip, pDev[ip].inquiry, INQUIRY_SIZE) == 0)
- {
- if (pDev[ip].inquiry->type == TYPE_TAPE || pDev[ip].inquiry->type == TYPE_CHANGER)
- {
- for (i=0;i < 16 ;i++)
- pDev[ip].ident[i] = pDev[ip].inquiry->prod_ident[i];
- for (i=15; i >= 0 && !isalnum((int)pDev[ip].ident[i]) ; i--)
- {
- pDev[ip].ident[i] = '\0';
- }
- pDev[ip].SCSI = 1;
- close(DeviceFD);
-
- 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);
- return(1);
- } else { /* ! TYPE_TAPE ! TYPE_CHANGER */
- close(DeviceFD);
- free(pDev[ip].inquiry);
- pDev[ip].inquiry = NULL;
- pDev[ip].avail = 0;
- return(0);
- }
- }
- /* inquiry failed or no SCSI communication available */
- close(DeviceFD);
- free(pDev[ip].inquiry);
- pDev[ip].inquiry = NULL;
- pDev[ip].avail = 0;
- return(0);
- }
- } else {
- if ((DeviceFD = open(pDev[ip].dev, O_RDWR | O_EXCL)) >= 0)
- {
- pDev[ip].fd = DeviceFD;
- pDev[ip].devopen = 1;
- return(1);
- } else {
- pDev[ip].devopen = 0;
- return(0);
- }
- }
- return(0);
-}
-
-int SCSI_CloseDevice(int DeviceFD)
-{
- extern OpenFiles_T *pDev;
- int ret = 0;
-
- if (pDev[DeviceFD].devopen == 1)
- {
- pDev[DeviceFD].devopen = 0;
- ret = close(pDev[DeviceFD].fd);
- }
-
- 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;
- struct dsreq ds;
- int Result;
- int retries = 5;
-
- /* 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(struct dsreq));
- memset(pRequestSense, 0, RequestSenseLength);
- memset(&ExtendedRequestSense, 0 , SIZEOF(ExtendedRequestSense_T));
-
- ds.ds_flags = DSRQ_SENSE|DSRQ_TRACE|DSRQ_PRINT;
- /* Timeout */
- ds.ds_time = 120000;
- /* Set the cmd */
- ds.ds_cmdbuf = (caddr_t)CDB;
- ds.ds_cmdlen = CDB_Length;
- /* Data buffer for results */
- ds.ds_databuf = (caddr_t)DataBuffer;
- ds.ds_datalen = DataBufferLength;
- /* Sense Buffer */
- ds.ds_sensebuf = (caddr_t)pRequestSense;
- ds.ds_senselen = RequestSenseLength;
-
- switch (Direction)
- {
- case Input:
- ds.ds_flags = ds.ds_flags | DSRQ_READ;
- break;
- case Output:
- ds.ds_flags = ds.ds_flags | DSRQ_WRITE;
- break;
- }
-
- while (--retries > 0) {
- if (pDev[DeviceFD].devopen == 0)
- {
- if (SCSI_OpenDevice(DeviceFD) == 0)
- {
- dbprintf(_("SCSI_ExecuteCommand could not open %s: %s\n"),
- pDev[DeviceFD].dev,
- strerror(errno));
- sleep(1); /* Give device a little time befor retry */
- continue;
- }
- }
- Result = ioctl(pDev[DeviceFD].fd, DS_ENTER, &ds);
- SCSI_CloseDevice(DeviceFD);
-
- if (Result < 0)
- {
- RET(&ds) = DSRT_DEVSCSI;
- SCSI_CloseDevice(DeviceFD);
- return (SCSI_ERROR);
- }
- DecodeSCSI(CDB, "SCSI_ExecuteCommand : ");
- dbprintf(_("\t\t\tSTATUS(%02X) RET(%02X)\n"), STATUS(&ds), RET(&ds));
- switch (STATUS(&ds))
- {
- case ST_BUSY: /* BUSY */
- break;
-
- case STA_RESERV: /* RESERV CONFLICT */
- if (retries > 0)
- sleep(2);
- continue;
-
- case ST_GOOD: /* GOOD 0x00 */
- switch (RET(&ds))
- {
- case DSRT_SENSE:
- return(SCSI_SENSE);
- }
- return(SCSI_OK);
-
- case ST_CHECK: /* CHECK CONDITION 0x02 */
- switch (RET(&ds))
- {
- case DSRT_SENSE:
- return(SCSI_SENSE);
- }
- return(SCSI_CHECK);
-
- case ST_COND_MET: /* INTERM/GOOD 0x10 */
- default:
- continue;
- }
- }
- return(SCSI_ERROR);
-}
-
-int Tape_Ioctl ( int DeviceFD, int command)
-{
- extern OpenFiles_T *pDev;
- struct mtop mtop;
-
- if (pDev[DeviceFD].devopen == 0)
- {
- if (SCSI_OpenDevice(DeviceFD) == 0)
- return(-1);
- }
-
- switch (command)
- {
- case IOCTL_EJECT:
- mtop.mt_op = MTUNLOAD;
- mtop.mt_count = 1;
- break;
- default:
- break;
- }
-
- ioctl(pDev[DeviceFD].fd, MTIOCTOP, &mtop);
- SCSI_CloseDevice(DeviceFD);
- return(0);
-}
-
-int Tape_Status( int DeviceFD)
-{
- extern OpenFiles_T *pDev;
- struct mtget mtget;
- int ret = 0;
-
- if (pDev[DeviceFD].devopen == 0)
- {
- if (SCSI_OpenDevice(DeviceFD) == 0)
- return(-1);
- }
-
- if (ioctl(pDev[DeviceFD].fd , MTIOCGET, &mtget) != 0)
- {
- dbprintf(_("Tape_Status error ioctl %s\n"),strerror(errno));
- SCSI_CloseDevice(DeviceFD);
- return(-1);
- }
-
- switch(mtget.mt_dposn)
- {
- case MT_EOT:
- ret = ret | TAPE_EOT;
- break;
- case MT_BOT:
- ret = ret | TAPE_BOT;
- break;
- case MT_WPROT:
- ret = ret | TAPE_WR_PROT;
- break;
- case MT_ONL:
- ret = TAPE_ONLINE;
- break;
- case MT_EOD:
- break;
- case MT_FMK:
- break;
- default:
- break;
- }
-
- SCSI_CloseDevice(DeviceFD);
- return(ret);
-}
-
-int ScanBus(int print)
-{
- DIR *dir;
- struct dirent *dirent;
- extern OpenFiles_T *pDev;
- extern int errno;
- int count = 0;
-
- if ((dir = opendir("/dev/scsi")) == NULL)
- {
- dbprintf(_("Can not read /dev/scsi: %s"), strerror(errno));
- return 0;
- }
-
- while ((dirent = readdir(dir)) != NULL)
- {
- if (strstr(dirent->d_name, "sc") != NULL)
- {
- pDev[count].dev = malloc(10);
- pDev[count].inqdone = 0;
- g_sprintf(pDev[count].dev,"/dev/scsi/%s", dirent->d_name);
- if (OpenDevice(count,pDev[count].dev, "Scan", NULL ))
- {
- SCSI_CloseDevice(count);
- pDev[count].inqdone = 0;
-
- if (print)
- {
- g_printf(_("name /dev/scsi/%s "), dirent->d_name);
-
- switch (pDev[count].inquiry->type)
- {
- case TYPE_DISK:
- g_printf(_("Disk"));
- break;
- case TYPE_TAPE:
- g_printf(_("Tape"));
- break;
- case TYPE_PRINTER:
- g_printf(_("Printer"));
- break;
- case TYPE_PROCESSOR:
- g_printf(_("Processor"));
- break;
- case TYPE_WORM:
- g_printf(_("Worm"));
- break;
- case TYPE_CDROM:
- g_printf(_("Cdrom"));
- break;
- case TYPE_SCANNER:
- g_printf(_("Scanner"));
- break;
- case TYPE_OPTICAL:
- g_printf(_("Optical"));
- break;
- case TYPE_CHANGER:
- g_printf(_("Changer"));
- break;
- case TYPE_COMM:
- g_printf(_("Comm"));
- break;
- default:
- g_printf(_("unknown %d"),pDev[count].inquiry->type);
- break;
- }
- g_printf("\n");
- }
- count++;
- g_printf(_("Count %d\n"),count);
- } else {
- free(pDev[count].dev);
- pDev[count].dev=NULL;
- }
- }
- }
- return 0;
-}
-
-/*
- * Local variables:
- * indent-tabs-mode: nil
- * c-file-style: gnu
- * End:
- */
projects / debian / amanda / blobdiff