mirror of
https://github.com/SDL-Hercules-390/hyperion.git
synced 2026-07-28 03:19:42 +02:00
Fish (David B. Trout)
a68c119be4
New option "--online" to test GMT_ONLINE bit for SCSI tape mounts. Also new "-d" (debug) option to enable display of status bits during open process. Refer to updated documentation for further details. This hopefully closes issue #97.
91 lines
3.1 KiB
C
91 lines
3.1 KiB
C
/* SCSIUTIL.C (C) Copyright "Fish" (David B. Trout), 2016 */
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/* Hercules SCSI tape utility functions */
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/* */
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/* Released under "The Q Public License Version 1" */
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/* (http://www.hercules-390.org/herclic.html) as modifications to */
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/* Hercules. */
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#include "hstdinc.h"
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#include "hercules.h"
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#include "scsiutil.h"
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#if defined( OPTION_SCSI_TAPE )
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/*-------------------------------------------------------------------*/
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/* Need defines for GMT_ONLINE(), GMT_DR_OPEN(), etc. */
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/*-------------------------------------------------------------------*/
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#ifdef HAVE_SYS_MTIO_H
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#ifdef _MSVC_
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#include "w32mtio.h"
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#else
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#include <sys/mtio.h>
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#endif // _MSVC_
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#endif
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/*-------------------------------------------------------------------*/
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/* (missing from mtio.h on most systems) */
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/*-------------------------------------------------------------------*/
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#ifndef GMT_PADDING
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#define GMT_PADDING(x) ((x) & 0x00100000) /* data padding */
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#endif
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#ifndef GMT_HW_ECC
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#define GMT_HW_ECC(x) ((x) & 0x00080000) /* HW error correction */
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#endif
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#ifndef GMT_CLN
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#define GMT_CLN(x) ((x) & 0x00008000) /* cleaning requested */
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#endif
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/*-------------------------------------------------------------------*/
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/* Return printable SCSI tape sstat (mt_gstat) status flags string */
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/*-------------------------------------------------------------------*/
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char* gstat2str( U32 mt_gstat, char* buffer, size_t bufsz )
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{
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#define GMT_STR(flag) GMT_##flag( mt_gstat ) ? #flag " " : ""
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#define GMT_UNDEF_STR(flag) (mt_gstat & flag) ? #flag " " : ""
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int rc = snprintf( buffer, bufsz,
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"%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s"
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, GMT_STR( EOF )
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, GMT_STR( BOT )
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, GMT_STR( EOT )
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, GMT_STR( SM )
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, GMT_STR( EOD )
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, GMT_STR( WR_PROT )
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, GMT_UNDEF_STR( 0x02000000 )
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, GMT_STR( ONLINE )
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, GMT_STR( D_6250 )
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, GMT_STR( D_1600 )
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, GMT_STR( D_800 )
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, GMT_STR( PADDING )
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, GMT_STR( HW_ECC )
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, GMT_STR( DR_OPEN )
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, GMT_UNDEF_STR( 0x00020000 )
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, GMT_STR( IM_REP_EN )
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, GMT_STR( CLN )
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, GMT_UNDEF_STR( 0x00004000 )
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, GMT_UNDEF_STR( 0x00002000 )
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, GMT_UNDEF_STR( 0x00001000 )
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, GMT_UNDEF_STR( 0x00000800 )
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, GMT_UNDEF_STR( 0x00000400 )
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, GMT_UNDEF_STR( 0x00000200 )
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, GMT_UNDEF_STR( 0x00000100 )
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, GMT_UNDEF_STR( 0x00000080 )
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, GMT_UNDEF_STR( 0x00000040 )
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, GMT_UNDEF_STR( 0x00000020 )
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, GMT_UNDEF_STR( 0x00000010 )
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, GMT_UNDEF_STR( 0x00000008 )
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, GMT_UNDEF_STR( 0x00000004 )
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, GMT_UNDEF_STR( 0x00000002 )
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, GMT_UNDEF_STR( 0x00000001 )
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);
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if (rc > 0 && (size_t) rc < bufsz)
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buffer[ rc-1 ] = 0; /* (remove trailing blank) */
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return buffer;
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}
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#endif // defined( OPTION_SCSI_TAPE )
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