275 lines
7.7 KiB
C
275 lines
7.7 KiB
C
--- tapedev.c.orig Wed Jul 3 13:21:52 2002
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+++ tapedev.c Mon Sep 2 11:43:24 2002
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@@ -195,6 +195,7 @@
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/*-------------------------------------------------------------------*/
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/* Static data areas */
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/*-------------------------------------------------------------------*/
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+#ifdef GNU_MTIO_SUPPORT
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static struct mt_tape_info tapeinfo[] = MT_TAPE_INFO;
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static struct mt_tape_info densinfo[] = {
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{0x01, "NRZI (800 bpi)"},
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@@ -222,6 +223,7 @@
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{0x8C, "EXB-8505 compressed"},
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{0x90, "EXB-8205 compressed"},
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{0, NULL}};
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+#endif
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static PARSER ptab[] =
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{
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@@ -1143,6 +1145,7 @@
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/*-------------------------------------------------------------------*/
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static U32 status_scsitape (DEVBLK *dev)
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{
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+#ifdef HAVE_MTIO_H
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U32 stat; /* Tape status bits */
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int rc; /* Return code */
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struct mtget stblk; /* Area for MTIOCGET ioctl */
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@@ -1159,6 +1162,7 @@
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dev->filename, strerror(errno));
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return 0;
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}
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+#ifdef GNU_MTIO_SUPPORT
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stat = stblk.mt_gstat;
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/* Display tape status */
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@@ -1191,10 +1195,14 @@
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dev->prvblkpos = -1;
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dev->blockid = 0;
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}
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+#else
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+ stat = 0;
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+#endif
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/* Return tape status */
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return stat;
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+#endif
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} /* end function status_scsitape */
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/*-------------------------------------------------------------------*/
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@@ -1205,6 +1213,7 @@
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/*-------------------------------------------------------------------*/
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static int open_scsitape (DEVBLK *dev, BYTE *unitstat)
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{
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+#ifdef HAVE_MTIO_H
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int rc; /* Return code */
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int i; /* Array subscript */
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struct mtop opblk; /* Area for MTIOCTOP ioctl */
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@@ -1249,6 +1258,7 @@
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return -1;
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}
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+#ifdef GNU_MTIO_SUPPORT
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/* Intervention required if no tape is mounted */
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if (GMT_DR_OPEN(stblk.mt_gstat))
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{
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@@ -1284,6 +1294,7 @@
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/* Set the tape device to process variable length blocks */
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opblk.mt_op = MTSETBLK;
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+#endif
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opblk.mt_count = 0;
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rc = ioctl (dev->fd, MTIOCTOP, (char*)&opblk);
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if (rc < 0)
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@@ -1312,6 +1323,12 @@
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return 0;
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+#else
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+
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+ logmsg ("HHC286I SCSI Support is disabled\n");
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+ return -1
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+
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+#endif
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} /* end function open_scsitape */
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/*-------------------------------------------------------------------*/
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@@ -1324,6 +1341,7 @@
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/*-------------------------------------------------------------------*/
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static int read_scsitape (DEVBLK *dev, BYTE *buf, BYTE *unitstat)
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{
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+#ifdef HAVE_MTIO_H
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int rc; /* Return code */
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/* Read data block from SCSI tape device */
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@@ -1347,6 +1365,12 @@
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/* Return block length or zero if tapemark */
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return rc;
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+#else
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+
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+ logmsg ("HHC286I SCSI Support is disabled\n");
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+ return -1;
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+
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+#endif
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} /* end function read_scsitape */
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/*-------------------------------------------------------------------*/
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@@ -1358,6 +1382,7 @@
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static int write_scsitape (DEVBLK *dev, BYTE *buf, U16 len,
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BYTE *unitstat)
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{
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+#ifdef HAVE_MTIO_H
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int rc; /* Return code */
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/* Write data block to SCSI tape device */
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@@ -1377,6 +1402,12 @@
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/* Return normal status */
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return 0;
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+#else
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+
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+ logmsg ("HHC286I SCSI Support is disabled\n");
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+ return -1;
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+
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+#endif
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} /* end function write_scsitape */
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/*-------------------------------------------------------------------*/
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@@ -1387,6 +1418,7 @@
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/*-------------------------------------------------------------------*/
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static int write_scsimark (DEVBLK *dev, BYTE *unitstat)
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{
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+#ifdef HAVE_MTIO_H
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int rc; /* Return code */
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struct mtop opblk; /* Area for MTIOCTOP ioctl */
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@@ -1409,6 +1441,12 @@
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/* Return normal status */
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return 0;
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+#else
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+
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+ logmsg ("HHC286I SCSI Support is disabled\n");
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+ return -1;
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+
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+#endif
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} /* end function write_scsimark */
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/*-------------------------------------------------------------------*/
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@@ -1421,6 +1459,7 @@
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/*-------------------------------------------------------------------*/
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static int fsb_scsitape (DEVBLK *dev, BYTE *unitstat)
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{
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+#ifdef HAVE_MTIO_H
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int rc; /* Return code */
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int fsrerrno; /* Value of errno after MTFSR*/
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U32 stat; /* Tape status bits */
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@@ -1435,6 +1474,7 @@
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/* Obtain tape status after forward space */
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stat = status_scsitape (dev);
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+#ifdef GNU_MTIO_SUPPORT
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/* If I/O error and status indicates EOF, then a tapemark
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was detected, so increment the file number and return 0 */
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if (rc < 0 && fsrerrno == EIO && GMT_EOF(stat))
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@@ -1443,6 +1483,7 @@
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dev->blockid++;
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return 0;
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}
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+#endif
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/* Handle MTFSR error condition */
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if (rc < 0)
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@@ -1461,6 +1502,12 @@
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/* Return +1 to indicate forward space successful */
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return +1;
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+#else
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+
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+ logmsg ("HHC286I SCSI Support is disabled\n");
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+ return -1;
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+
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+#endif
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} /* end function fsb_scsitape */
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/*-------------------------------------------------------------------*/
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@@ -1473,6 +1520,7 @@
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/*-------------------------------------------------------------------*/
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static int bsb_scsitape (DEVBLK *dev, BYTE *unitstat)
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{
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+#ifdef HAVE_MTIO_H
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int rc; /* Return code */
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int bsrerrno; /* Value of errno after MTBSR*/
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U32 stat; /* Tape status bits */
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@@ -1481,6 +1529,7 @@
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/* Obtain tape status before backward space */
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stat = status_scsitape (dev);
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+#ifdef GNU_MTIO_SUPPORT
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/* Unit check if already at start of tape */
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if (GMT_BOT(stat))
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{
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@@ -1489,6 +1538,7 @@
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*unitstat = CSW_CE | CSW_DE | CSW_UC;
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return -1;
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}
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+#endif
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/* Backspace block on SCSI tape */
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opblk.mt_op = MTBSR;
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@@ -1527,6 +1577,12 @@
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/* Return +1 to indicate backspace successful */
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return +1;
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+#else
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+
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+ logmsg ("HHC286I SCSI Support is disabled\n");
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+ return -1;
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+
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+#endif
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} /* end function bsb_scsitape */
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/*-------------------------------------------------------------------*/
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@@ -1538,6 +1594,7 @@
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/*-------------------------------------------------------------------*/
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static int fsf_scsitape (DEVBLK *dev, BYTE *unitstat)
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{
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+#ifdef HAVE_MTIO_H
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int rc; /* Return code */
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struct mtop opblk; /* Area for MTIOCTOP ioctl */
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@@ -1563,6 +1620,12 @@
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/* Return normal status */
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return 0;
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+#else
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+
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+ logmsg ("HHC286I SCSI Support is disabled\n");
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+ return -1;
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+
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+#endif
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} /* end function fsf_scsitape */
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/*-------------------------------------------------------------------*/
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@@ -1574,6 +1637,7 @@
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/*-------------------------------------------------------------------*/
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static int bsf_scsitape (DEVBLK *dev, BYTE *unitstat)
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{
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+#ifdef HAVE_MTIO_H
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int rc; /* Return code */
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struct mtop opblk; /* Area for MTIOCTOP ioctl */
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@@ -1600,6 +1664,12 @@
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/* Return normal status */
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return 0;
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+#else
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+
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+ logmsg("HHC286I SCSI Support is disabled\n");
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+ return -1;
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+
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+#endif
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} /* end function bsf_scsitape */
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/*-------------------------------------------------------------------*/
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@@ -2726,7 +2796,9 @@
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case TAPEDEVT_SCSITAPE:
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stat = status_scsitape (dev);
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+#ifdef GNU_MTIO_SUPPORT
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if (GMT_BOT(stat)) dev->sense[1] |= SENSE1_TAPE_LOADPT;
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+#endif
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break;
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case TAPEDEVT_OMATAPE:
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