+++ /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-aix.c,v 1.23 2006/05/25 01:47:07 johnfranks Exp $
- *
- * Interface to execute SCSI commands on an AIX System
- *
- * Copyright (c) Thomas Hepper th@ant.han.de
- */
-
-
-#include <amanda.h>
-
-#include <scsi-defs.h>
-
-#ifdef HAVE_SYS_TYPES_H
-#include <sys/types.h>
-#endif
-#ifdef HAVE_STAT_H
-#include <sys/stat.h>
-#endif
-#ifdef HAVE_FCNTL_H
-#include <fcntl.h>
-#endif
-#ifdef HAVE_UNISTD_H
-#include <unistd.h>
-#endif
-#ifdef HAVE_STDIO_H
-#include <stdio.h>
-#endif
-#ifdef HAVE_ERRNO_H
-#include <errno.h>
-#endif
-
-#include <sys/scarray.h>
-#include <sys/tape.h>
-
-#include <scsi-defs.h>
-#include <gscdds.h>
-
-void SCSI_OS_Version(void)
-{
-#ifndef lint
- static char rcsid[] = "$Id: scsi-aix.c,v 1.23 2006/05/25 01:47:07 johnfranks Exp $";
- DebugPrint(DEBUG_INFO, SECTION_INFO, "scsi-os-layer: %s\n",rcsid);
-#endif
-}
-
-
-int SCSI_OpenDevice(int ip)
-{
- int DeviceFD;
- int i;
- extern OpenFiles_T *pDev;
-
- if (pDev[ip].inqdone == 0)
- {
- pDev[ip].inqdone = 1;
- /*
- * Check if it is an gsc (generic SCSI device)
- */
- if (strncmp("/dev/gsc", pDev[ip].dev, 8) == 0)
- {
- pDev[ip].flags = AIX_USE_GSC;
- DeviceFD = open(pDev[ip].dev, 0);
- } else {
- DeviceFD = openx(pDev[ip].dev, O_RDWR, 0, SC_DIAGNOSTIC);
- }
- if (DeviceFD >= 0)
- {
- pDev[ip].avail = 1;
- pDev[ip].fd = DeviceFD;
- pDev[ip].SCSI = 0;
- pDev[ip].devopen = 1;
- 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(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 {
- close(DeviceFD);
- free(pDev[ip].inquiry);
- return(0);
- }
- }
- free(pDev[ip].inquiry);
- pDev[ip].inquiry = NULL;
- return(1);
- } else {
- dbprintf(_("SCSI_OpenDevice %s failed\n"), pDev[ip].dev);
- return(0);
- }
- } else {
- if ((DeviceFD = openx(pDev[ip].dev, O_RDWR, 0, SC_DIAGNOSTIC)) >= 0)
- {
- pDev[ip].fd = DeviceFD;
- pDev[ip].devopen = 1;
- return(1);
- }
- }
- return(0);
-}
-
-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 *RequestSenseBuf,
- size_t RequestSenseLength)
-{
- extern OpenFiles_T *pDev;
- extern FILE * debug_file;
- CDB_T CDBSENSE;
- CDB_T SINQ;
- ExtendedRequestSense_T ExtendedRequestSense;
- struct sc_iocmd ds;
- scmd_t scmd;
- char sbyte;
- int Result;
- int isbusy = 0;
- int target = 3;
-
- /* Basic sanity checks */
- assert(CDB_Length <= UCHAR_MAX);
- assert(RequestSenseLength <= UCHAR_MAX);
-
- /* Clear buffer for cases where sense is not returned */
- memset(RequestSenseBuf, 0, RequestSenseLength);
-
- if (pDev[DeviceFD].avail == 0)
- {
- return(SCSI_ERROR);
- }
-
-
- if (pDev[DeviceFD].flags == AIX_USE_GSC)
- {
- scmd.cdb = CDB;
- scmd.cdblen = CDB_Length;
- scmd.data_buf = DataBuffer;
- scmd.datalen = DataBufferLength;
- scmd.sense_buf = (unsigned char *)RequestSenseBuf;
- scmd.senselen = RequestSenseLength;
- scmd.statusp = &sbyte;
- scmd.timeval = 60;
- switch (Direction)
- {
- case Input:
- scmd.rw = 0;
- break;
- case Output:
- scmd.rw = 1;
- break;
- }
-
- if (ioctl(pDev[DeviceFD].fd, GSC_CMD, (caddr_t) &scmd) < 0) {
- return(SCSI_ERROR);
- }
- return(SCSI_OK);
-
- } else {
- bzero(&ds, SIZEOF(struct sc_iocmd));
- bzero(RequestSenseBuf, RequestSenseLength);
- bzero(&ExtendedRequestSense, SIZEOF(ExtendedRequestSense_T));
-
- ds.flags = SC_ASYNC;
- /* Timeout */
- ds.timeout_value = 60;
- bcopy(CDB, ds.scsi_cdb, CDB_Length);
- ds.command_length = CDB_Length;
- /*
- * Data buffer for results
- * If the size of the buffer is 0
- * then keep this fields untouched
- */
- if (DataBufferLength > 0)
- {
- ds.buffer = DataBuffer;
- ds.data_length = DataBufferLength;
- }
-
- /* Sense Buffer is not available on AIX ?*/
- /*
- ds.req_sense_length = 255;
- ds.request_sense_ptr = (unsigned char *)RequestSense;
- */
- switch (Direction)
- {
- case Input:
- ds.flags = ds.flags | B_READ;
- break;
- case Output:
- ds.flags = ds.flags | B_WRITE;
- break;
- }
- DecodeSCSI(CDB, "SCSI_ExecuteCommand : ");
-
- if (pDev[DeviceFD].devopen == 0)
- if (SCSI_OpenDevice(DeviceFD) == 0)
- return(SCSI_ERROR);
- Result = ioctl(pDev[DeviceFD].fd, STIOCMD, &ds);
- SCSI_CloseDevice(DeviceFD);
-
- if ( Result < 0)
- {
- switch (ds.scsi_bus_status)
- {
- case SC_GOOD_STATUS:
- SINQ[0] = SC_COM_REQUEST_SENSE;
- SINQ[1] = 0;
- SINQ[2] = 0;
- SINQ[3] = 0;
- SINQ[4] = 0x1D;
- SINQ[5] = 0x80;
- bcopy(SINQ, ds.scsi_cdb, 6);
- ds.command_length = 6;
- ds.buffer = (unsigned char *)RequestSenseBuf;
- ds.data_length = RequestSenseLength;
-
- if (pDev[DeviceFD].devopen == 0)
- if (SCSI_OpenDevice(DeviceFD) == 0)
- return(SCSI_ERROR);
- Result = ioctl(pDev[DeviceFD].fd, STIOCMD, &ds);
- SCSI_CloseDevice(DeviceFD);
- return(SCSI_OK);
-
- case SC_BUSY_STATUS:
- return(SCSI_BUSY);
-
- case SC_CHECK_CONDITION:
- SINQ[0] = SC_COM_REQUEST_SENSE;
- SINQ[1] = 0;
- SINQ[2] = 0;
- SINQ[3] = 0;
- SINQ[4] = 0x1D;
- SINQ[5] = 0x80;
- bcopy(SINQ, ds.scsi_cdb, 6);
- ds.command_length = 6;
- ds.buffer = (unsigned char *)RequestSenseBuf;
- ds.data_length = (unsigned char)RequestSenseLength;
-
- if (pDev[DeviceFD].devopen == 0)
- if (SCSI_OpenDevice(DeviceFD) == 0)
- return(SCSI_ERROR);
- Result = ioctl(pDev[DeviceFD].fd, STIOCMD, &ds);
- SCSI_CloseDevice(DeviceFD);
- return(SCSI_CHECK);
-
- default:
- /*
- * Makes no sense yet, may result in an endless loop
- *
- RequestSense(DeviceFD, &ExtendedRequestSense, 0);
- DecodeExtSense(&ExtendedRequestSense, "SCSI_ExecuteCommand:", debug_file);
- bcopy(&ExtendedRequestSense, RequestSenseBuf, RequestSenseLength);
- */
- dbprintf(_("ioctl on %d return %d\n"), pDev[DeviceFD].fd, Result);
- dbprintf(_("ret: %d errno: %d (%s)\n"), Result, errno, "");
- dbprintf(_("data_length: %d\n"), ds.data_length);
- dbprintf(_("buffer: 0x%X\n"), ds.buffer);
- dbprintf(_("timeout_value: %d\n"), ds.timeout_value);
- dbprintf(_("status_validity: %d\n"), ds.status_validity);
- dbprintf(_("scsi_bus_status: 0x%X\n"), ds.scsi_bus_status);
- dbprintf(_("adapter_status: 0x%X\n"), ds.adapter_status);
- dbprintf(_("adap_q_status: 0x%X\n"), ds.adap_q_status);
- dbprintf(_("q_tag_msg: 0x%X\n"), ds.q_tag_msg);
- dbprintf(_("flags: 0X%X\n"), ds.flags);
- return(SCSI_ERROR);
- }
- }
- return(SCSI_OK);
- }
-}
-
-int SCSI_Scan(void)
-{
- int fd;
- struct sc_inquiry si;
- u_char buf[255];
- int target;
- int lun;
- int isbusy;
- char type;
- char bus[] = "/dev/scsi0";
-
- if ((fd = open(bus, O_RDWR)) == -1)
- return(1);
-
- for (target = 0; target < 7; target++)
- {
- for (lun = 0; lun < 7; lun++)
- {
- g_printf(_("Target:Lun %d:%d\n"), target,lun);
- if (ioctl(fd, SCIOSTART, IDLUN(target, lun)) == -1) {
- if (errno == EINVAL) {
- g_printf(_("is in use\n"));
- isbusy = 1;
- } else {
- return(1);
- }
- } else {
- isbusy = 0;
- }
-
- bzero(&si, SIZEOF(si));
- si.scsi_id = target;
- si.lun_id = lun;
- si.inquiry_len = 255;
- si.inquiry_ptr = (char *)&buf;
- if (ioctl(fd, SCIOINQU, &si) == -1)
- {
- g_printf("SCIOINQU: %s\n", strerror(errno));
- } else {
- dump_hex(&buf, 255, DEBUG_INFO, SECTION_SCSI);
- type = buf[0] & 0x1lf;
- buf[8+28] = 0;
- g_printf(_("%-28s|Device Type %d\n"),buf[8], type);
- }
- if (!isbusy && ioctl(fd, SCIOSTOP, IDLUN(target, lun)) == -1)
- return(1);
- }
- }
-}
-
-int Tape_Ioctl(int DeviceFD, int command)
-{
- extern OpenFiles_T *pDev;
- int ret = -1;
- return(ret);
-}
-
-int Tape_Status( int DeviceFD)
-{
-/*
- Not yet
-*/
- return(-1);
-}
-
-int ScanBus(int print)
-{
-/*
- Not yet
-*/
- SCSI_Scan();
- return(-1);
-}
-
-/*
- * Local variables:
- * indent-tabs-mode: nil
- * c-file-style: gnu
- * End:
- */
projects / debian / amanda / blobdiff