bc526b60ee
1998-03-11 Andreas Jaeger <aj@arthur.rhein-neckar.de> * sysdeps/generic/dl-cache.c (_dl_load_cache_lookup): Use _dl_debug_message. 1998-03-12 Matthias Urlichs <smurf@noris.de> * elf/dl-misc.c: Default for debug output should be stderr. * elf/dl-misc.c: Spurious garbage bytes after the PID in debug output. * elf/dl-lookup.c: reference_name may be NULL or empty. 1998-03-11 10:30 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * aclocal.m4 (LIBC_PROG_FOO_GNU): Fix order of redirection. 1998-03-11 Ulrich Drepper <drepper@cygnus.com> * sysdeps/unix/sysv/linux/Dist: Add scsi/scsi.h. * sysdeps/unix/sysv/linux/scsi/sg.h: Include features.h. 1998-03-10 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * sysdeps/unix/sysv/linux/scsi/scsi.h: New file. * sysdeps/unix/sysv/linux/Makefile (sysdep_headers): Install it. 1998-03-11 10:30 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
62 lines
2.2 KiB
C
62 lines
2.2 KiB
C
/* Copyright (C) 1997, 1998 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public License as
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published by the Free Software Foundation; either version 2 of the
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License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with the GNU C Library; see the file COPYING.LIB. If not,
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write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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/*
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History:
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Started: Aug 9 by Lawrence Foard (entropy@world.std.com), to allow user
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process control of SCSI devices.
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Development Sponsored by Killy Corp. NY NY
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*/
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#ifndef _SCSI_SG_H
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#define _SCSI_SG_H 1
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#include <features.h>
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/* An SG device is accessed by writing "packets" to it, the replies
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are then read using the read call. The same header is used for
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replies; ignore the reply_len field. */
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struct sg_header
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{
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int pack_len; /* length of incoming packet
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(including header). */
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int reply_len; /* max length of expected reply. */
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int pack_id; /* id number of packet. */
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int result; /* 0==ok, otherwise error number. */
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unsigned int twelve_byte:1; /* force 12 byte command length for
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group 6 & 7 commands. */
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unsigned int other_flags:31; /* for future use. */
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unsigned char sense_buffer[16]; /* used only by reads. */
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/* command follows then data for command. */
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};
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/* ioctl's */
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#define SG_SET_TIMEOUT 0x2201 /* set timeout *(int *)arg==timeout */
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#define SG_GET_TIMEOUT 0x2202 /* get timeout return timeout */
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#define SG_DEFAULT_TIMEOUT (60*HZ) /* 1 minute timeout */
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#define SG_DEFAULT_RETRIES 1
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#define SG_MAX_QUEUE 4 /* maximum outstanding request, arbitrary, may be
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changed if sufficient DMA buffer room available. */
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#define SG_BIG_BUFF 32768
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#endif /* scsi/sg.h */
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