+++ /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-cam.c,v 1.15 2006/05/25 01:47:07 johnfranks Exp $
- *
- * Interface to execute SCSI commands on an system with cam support
- * Current support is for FreeBSD 4.x
- *
- * Copyright (c) Thomes Hepper th@ant.han.de
- */
-
-
-#include "amanda.h"
-
-#ifdef HAVE_CAMLIB_H
-# include <camlib.h>
-#endif
-
-#include <cam/scsi/scsi_message.h>
-
-#ifdef HAVE_SYS_MTIO_H
-#include <sys/mtio.h>
-#endif
-
-#include <scsi-defs.h>
-
-extern OpenFiles_T *pChangerDev;
-extern OpenFiles_T *pTapeDev;
-extern OpenFiles_T *pTapeDevCtl;
-extern FILE *debug_file;
-
-
-void SCSI_OS_Version()
-{
-#ifndef lint
- static char rcsid[] = "$Id: scsi-cam.c,v 1.15 2006/05/25 01:47:07 johnfranks Exp $";
- DebugPrint(DEBUG_INFO, SECTION_INFO, "scsi-os-layer: %s\n",rcsid);
-#endif
-}
-
-/* parse string of format 1:2:3 and fill in path, target, lun
- returns 0 if it doesn't look like btl
- returns 1 if parse successful
- calls ChgExit if it looks like btl but formatted improperly
-*/
-
-int parse_btl(char *DeviceName,
- path_id_t *path, target_id_t *target, lun_id_t *lun)
-{
- char *p;
- if (strstr(DeviceName, ":") == NULL)
- return 0;
-
- p = strtok(DeviceName, ":");
- if (sscanf(p,"%d", path) != 1) {
- free(DeviceName);
- ChgExit("SCSI_OpenDevice",
- _("Path conversion error. Digits expected"), FATAL);
- }
-
- if ((p = strtok(NULL,":")) == NULL) {
- free(DeviceName);
- ChgExit("SCSI_OpenDevice", _("target in Device Name not found"), FATAL);
- }
-
- if (sscanf(p,"%d", target) != 1) {
- free(DeviceName);
- ChgExit("SCSI_OpenDevice",
- _("Target conversion error. Digits expected"), FATAL);
- }
-
- if ((p = strtok(NULL,":")) == NULL) {
- free(DeviceName);
- ChgExit("SCSI_OpenDevice", _("lun in Device Name not found"), FATAL);
- }
- if (sscanf(p,"%d", lun) != 1) {
- free(DeviceName);
- ChgExit("SCSI_OpenDevice",
- _("LUN conversion error. Digits expected"), FATAL);
- }
-
- return 1;
-}
-
-/*
- * Check if the device is already open,
- * if no open it and save it in the list
- * of open files.
- * DeviceName can be an device name, /dev/nrsa0 for example
- * or an bus:target:lun path, 0:4:0 for bus 0 target 4 lun 0
- */
-
-int SCSI_OpenDevice(int ip)
-{
- extern OpenFiles_T *pDev;
- char *DeviceName;
- int DeviceFD;
- int i;
- path_id_t path;
- target_id_t target;
- lun_id_t lun;
-
- DeviceName = stralloc(pDev[ip].dev);
-
- if (pDev[ip].inqdone == 0) {
- pDev[ip].inqdone = 1;
- pDev[ip].SCSI = 0;
- pDev[ip].inquiry = (SCSIInquiry_T *)malloc(INQUIRY_SIZE);
- if (parse_btl(DeviceName, &path, &target, &lun))
- pDev[ip].curdev = cam_open_btl(path, target, lun, O_RDWR, NULL);
- else
- pDev[ip].curdev = cam_open_device(DeviceName, O_RDWR);
-
- free(DeviceName);
- if (pDev[ip].curdev) {
- pDev[ip].avail = 1;
- pDev[ip].SCSI = 1;
- pDev[ip].devopen = 1;
- 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(pDev[ip].ident[i]); i--) {
- pDev[ip].ident[i] = '\0';
- }
- pDev[ip].SCSI = 1;
-
- 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 {
- free(pDev[ip].inquiry);
- return(0);
- }
- } else {
- pDev[ip].SCSI = 0;
- free(pDev[ip].inquiry);
- pDev[ip].inquiry = NULL;
- return(1);
- }
- } else { /* Device open failed */
- DebugPrint(DEBUG_INFO, SECTION_SCSI,_("##### STOP SCSI_OpenDevice open failed\n"));
- return(0);
- }
- }
- if (parse_btl(DeviceName, &path, &target, &lun))
- pDev[ip].curdev = cam_open_btl(path, target, lun, O_RDWR, NULL);
- else
- pDev[ip].curdev = cam_open_device(DeviceName, O_RDWR);
-
- free(DeviceName);
-
- if (pDev[ip].curdev) {
- pDev[ip].devopen = 1;
- return(1);
- } else {
- return(0);
- }
-}
-
-int SCSI_CloseDevice(int DeviceFD)
-{
- int ret;
- extern OpenFiles_T *pDev;
-
- if (pDev[DeviceFD].SCSI == 1)
- {
- cam_close_device(pDev[DeviceFD].curdev);
- pDev[DeviceFD].devopen = 0;
- } else {
- close(pDev[DeviceFD].fd);
- }
- return(0);
-}
-
-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)
-{
- ExtendedRequestSense_T ExtendedRequestSense;
- extern OpenFiles_T *pDev;
- union ccb *ccb;
- int ret;
- guint32 ccb_flags;
- OpenFiles_T *pwork = NULL;
-
- /* 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);
- }
-
- /*
- * CLear the SENSE buffer
- */
- bzero(pRequestSense, RequestSenseLength);
-
- DecodeSCSI(CDB, "SCSI_ExecuteCommand : ");
-
- ccb = cam_getccb(pDev[DeviceFD].curdev);
-
- /* Build the CCB */
- bzero(&(&ccb->ccb_h)[1], SIZEOF(struct ccb_scsiio));
- bcopy(&CDB[0], &ccb->csio.cdb_io.cdb_bytes, CDB_Length);
-
- switch (Direction)
- {
- case Input:
- if (DataBufferLength == 0)
- {
- ccb_flags = CAM_DIR_NONE;
- } else {
- ccb_flags = CAM_DIR_IN;
- }
- break;
- case Output:
- if (DataBufferLength == 0)
- {
- ccb_flags = CAM_DIR_NONE;
- } else {
- ccb_flags = CAM_DIR_OUT;
- }
- break;
- default:
- ccb_flags = CAM_DIR_NONE;
- break;
- }
-
- cam_fill_csio(&ccb->csio,
- /* retires */ 1,
- /* cbfncp */ NULL,
- /* flags */ ccb_flags,
- /* tag_action */ MSG_SIMPLE_Q_TAG,
- /* data_ptr */ (guint8*)DataBuffer,
- /* dxfer_len */ DataBufferLength,
- /* sense_len */ SSD_FULL_SIZE,
- /* cdb_len */ CDB_Length,
- /* timeout */ 600 * 1000);
-
-
- if (pDev[DeviceFD].devopen == 0)
- {
- if (SCSI_OpenDevice(DeviceFD) == 0)
- {
- cam_freeccb(ccb);
- return(SCSI_ERROR);
- }
- }
-
- ret = cam_send_ccb(pDev[DeviceFD].curdev, ccb);
- SCSI_CloseDevice(DeviceFD);
-
- if ( ret == -1)
- {
- cam_freeccb(ccb);
- return(SCSI_ERROR);
- }
-
- /*
- * copy the SENSE data to the Sense Buffer !!
- */
- memcpy(pRequestSense, &ccb->csio.sense_data, RequestSenseLength);
-
- /* ToDo add error handling */
- if ((ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP)
- {
- dbprintf(_("SCSI_ExecuteCommand return %d\n"), (ccb->ccb_h.status & CAM_STATUS_MASK));
- return(SCSI_ERROR);
- }
-
- cam_freeccb(ccb);
- return(SCSI_OK);
-}
-
-/*
- * 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)
-{
- 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);
- }
-
- dbprintf("ioctl -> mtget.mt_dsreg %lX\n",mtget.mt_dsreg);
- dbprintf("ioctl -> mtget.mt_erreg %lX\n",mtget.mt_erreg);
-
- /*
- * I have no idea what is the meaning of the bits in mt_erreg
- * I assume that nothing set is tape loaded
- * 0x2 is no tape online
- */
- if (mtget.mt_erreg == 0)
- {
- ret = ret | TAPE_ONLINE;
- }
-
- if (mtget.mt_erreg & 0x2)
- {
- ret = ret | TAPE_NOT_LOADED;
- }
-
- SCSI_CloseDevice(DeviceFD);
- return(ret);
-}
-
-/*
- * Scans the bus for device with the type 'tape' or 'robot'
- *
- */
-int ScanBus(int print)
-{
- int bus,target,lun;
- int count = 0;
- extern OpenFiles_T *pDev;
-
- for (bus = 0;bus < 3; bus++)
- {
- pDev[count].dev = malloc(10);
- for (target = 0;target < 8; target++)
- {
- for (lun = 0; lun < 8; lun++)
- {
- g_sprintf(pDev[count].dev, "%d:%d:%d", bus, target, lun);
- pDev[count].inqdone = 0;
- if (OpenDevice(count, pDev[count].dev, "Scan", NULL))
- {
- if (pDev[count].inquiry->type == TYPE_TAPE ||
- pDev[count].inquiry->type == TYPE_CHANGER)
- {
- count++;
- pDev[count].dev = malloc(10);
- } else {
- if (print)
- {
- g_printf(_("bus:target:lun -> %s == "),pDev[count].dev);
-
- 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");
- }
- }
- }
- }
- }
- }
- return 0;
-}
-
-/*
- * Local variables:
- * indent-tabs-mode: nil
- * c-file-style: gnu
- * End:
- */
projects / debian / amanda / blobdiff