1 files changed, 363 insertions, 0 deletions
diff --git a/libusal/scsi-hpux.c b/libusal/scsi-hpux.c
new file mode 100644
index 0000000..f7eb553
--- /dev/null
+++ b/libusal/scsi-hpux.c
@@ -0,0 +1,363 @@
+/*
+ * This file has been modified for the cdrkit suite.
+ *
+ * The behaviour and appearence of the program code below can differ to a major
+ * extent from the version distributed by the original author(s).
+ *
+ * For details, see Changelog file distributed with the cdrkit package. If you
+ * received this file from another source then ask the distributing person for
+ * a log of modifications.
+ *
+ */
+
+/* @(#)scsi-hpux.c	1.31 04/01/15 Copyright 1997 J. Schilling */
+/*
+ *	Interface for the HP-UX generic SCSI implementation.
+ *
+ *	Warning: you may change this source, but if you do that
+ *	you need to change the _usal_version and _usal_auth* string below.
+ *	You may not return "schily" for an SCG_AUTHOR request anymore.
+ *	Choose your name instead of "schily" and make clear that the version
+ *	string is related to a modified source.
+ *
+ *	Copyright (c) 1997 J. Schilling
+ */
+/*
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2
+ * as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program; see the file COPYING.  If not, write to the Free Software
+ * Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ */
+
+#undef	sense
+#include <sys/scsi.h>
+
+/*
+ *	Warning: you may change this source, but if you do that
+ *	you need to change the _usal_version and _usal_auth* string below.
+ *	You may not return "schily" for an SCG_AUTHOR request anymore.
+ *	Choose your name instead of "schily" and make clear that the version
+ *	string is related to a modified source.
+ */
+static	char	_usal_trans_version[] = "scsi-hpux.c-1.31";	/* The version for this transport*/
+
+#define	MAX_SCG		16	/* Max # of SCSI controllers */
+#define	MAX_TGT		16
+#define	MAX_LUN		8
+
+struct usal_local {
+	short	usalfiles[MAX_SCG][MAX_TGT][MAX_LUN];
+};
+#define	usallocal(p)	((struct usal_local *)((p)->local))
+
+#ifdef	SCSI_MAXPHYS
+#	define	MAX_DMA_HP	SCSI_MAXPHYS
+#else
+#	define	MAX_DMA_HP	(63*1024)	/* Check if this is not too big */
+#endif
+
+
+/*
+ * Return version information for the low level SCSI transport code.
+ * This has been introduced to make it easier to trace down problems
+ * in applications.
+ */
+static char *
+usalo_version(SCSI *usalp, int what)
+{
+	if (usalp != (SCSI *)0) {
+		switch (what) {
+
+		case SCG_VERSION:
+			return (_usal_trans_version);
+		/*
+		 * If you changed this source, you are not allowed to
+		 * return "schily" for the SCG_AUTHOR request.
+		 */
+		case SCG_AUTHOR:
+			return (_usal_auth_cdrkit);
+		case SCG_SCCS_ID:
+			return (__sccsid);
+		}
+	}
+	return ((char *)0);
+}
+
+static int
+usalo_help(SCSI *usalp, FILE *f)
+{
+	__usal_help(f, "SIOC", "Generic SCSI",
+		"", "bus,target,lun", "1,2,0", TRUE, FALSE);
+	return (0);
+}
+
+static int
+usalo_open(SCSI *usalp, char *device)
+{
+		int	busno	= usal_scsibus(usalp);
+		int	tgt	= usal_target(usalp);
+		int	tlun	= usal_lun(usalp);
+	register int	f;
+	register int	b;
+	register int	t;
+	register int	l;
+	register int	nopen = 0;
+	char		devname[64];
+
+	if (busno >= MAX_SCG || tgt >= MAX_TGT || tlun >= MAX_LUN) {
+		errno = EINVAL;
+		if (usalp->errstr)
+			snprintf(usalp->errstr, SCSI_ERRSTR_SIZE,
+				"Illegal value for busno, target or lun '%d,%d,%d'",
+				busno, tgt, tlun);
+		return (-1);
+	}
+
+	if ((device != NULL && *device != '\0') || (busno == -2 && tgt == -2)) {
+		errno = EINVAL;
+		if (usalp->errstr)
+			snprintf(usalp->errstr, SCSI_ERRSTR_SIZE,
+				"Open by 'devname' not supported on this OS");
+		return (-1);
+	}
+
+	if (usalp->local == NULL) {
+		usalp->local = malloc(sizeof (struct usal_local));
+		if (usalp->local == NULL)
+			return (0);
+
+		for (b = 0; b < MAX_SCG; b++) {
+			for (t = 0; t < MAX_TGT; t++) {
+				for (l = 0; l < MAX_LUN; l++)
+					usallocal(usalp)->usalfiles[b][t][l] = (short)-1;
+			}
+		}
+	}
+
+	if (busno >= 0 && tgt >= 0 && tlun >= 0) {
+
+		snprintf(devname, sizeof (devname),
+				"/dev/rscsi/c%xt%xl%x", busno, tgt, tlun);
+		f = open(devname, O_RDWR);
+		if (f < 0)
+			return (-1);
+		usallocal(usalp)->usalfiles[busno][tgt][tlun] = f;
+		return (1);
+	} else {
+		for (b = 0; b < MAX_SCG; b++) {
+			for (t = 0; t < MAX_TGT; t++) {
+/*				for (l = 0; l < MAX_LUN; l++) {*/
+				for (l = 0; l < 1; l++) {
+					snprintf(devname, sizeof (devname),
+							"/dev/rscsi/c%xt%xl%x", b, t, l);
+/*fprintf(stderr, "name: '%s'\n", devname);*/
+					f = open(devname, O_RDWR);
+					if (f >= 0) {
+						usallocal(usalp)->usalfiles[b][t][l] = (short)f;
+						nopen++;
+					} else if (usalp->debug > 0) {
+						errmsg("open '%s'\n", devname);
+					}
+				}
+			}
+		}
+	}
+	return (nopen);
+}
+
+static int
+usalo_close(SCSI *usalp)
+{
+	register int	f;
+	register int	b;
+	register int	t;
+	register int	l;
+
+	if (usalp->local == NULL)
+		return (-1);
+
+	for (b = 0; b < MAX_SCG; b++) {
+		for (t = 0; t < MAX_TGT; t++) {
+			for (l = 0; l < MAX_LUN; l++) {
+				f = usallocal(usalp)->usalfiles[b][t][l];
+				if (f >= 0)
+					close(f);
+				usallocal(usalp)->usalfiles[b][t][l] = (short)-1;
+			}
+		}
+	}
+	return (0);
+}
+
+static long
+usalo_maxdma(SCSI *usalp, long amt)
+{
+	return	(MAX_DMA_HP);
+}
+
+static void *
+usalo_getbuf(SCSI *usalp, long amt)
+{
+	if (usalp->debug > 0) {
+		fprintf((FILE *)usalp->errfile,
+			"usalo_getbuf: %ld bytes\n", amt);
+	}
+	usalp->bufbase = valloc((size_t)(amt));
+	return (usalp->bufbase);
+}
+
+static void
+usalo_freebuf(SCSI *usalp)
+{
+	if (usalp->bufbase)
+		free(usalp->bufbase);
+	usalp->bufbase = NULL;
+}
+
+static BOOL
+usalo_havebus(SCSI *usalp, int busno)
+{
+	register int	t;
+	register int	l;
+
+	if (busno < 0 || busno >= MAX_SCG)
+		return (FALSE);
+
+	if (usalp->local == NULL)
+		return (FALSE);
+
+	for (t = 0; t < MAX_TGT; t++) {
+		for (l = 0; l < MAX_LUN; l++)
+			if (usallocal(usalp)->usalfiles[busno][t][l] >= 0)
+				return (TRUE);
+	}
+	return (FALSE);
+}
+
+static int
+usalo_fileno(SCSI *usalp, int busno, int tgt, int tlun)
+{
+	if (busno < 0 || busno >= MAX_SCG ||
+	    tgt < 0 || tgt >= MAX_TGT ||
+	    tlun < 0 || tlun >= MAX_LUN)
+		return (-1);
+
+	if (usalp->local == NULL)
+		return (-1);
+
+	return ((int)usallocal(usalp)->usalfiles[busno][tgt][tlun]);
+}
+
+static int
+usalo_initiator_id(SCSI *usalp)
+{
+	return (-1);
+}
+
+static int
+usalo_isatapi(SCSI *usalp)
+{
+	return (FALSE);
+}
+
+static int
+usalo_reset(SCSI *usalp, int what)
+{
+	if (what == SCG_RESET_NOP)
+		return (0);
+	if (what != SCG_RESET_BUS) {
+		errno = EINVAL;
+		return (-1);
+	}
+	return (ioctl(usalp->fd, SIOC_RESET_BUS, 0));
+}
+
+static int
+usalo_send(SCSI *usalp)
+{
+	struct usal_cmd	*sp = usalp->scmd;
+	int		ret;
+	int		flags;
+	struct sctl_io	sctl_io;
+
+	if ((usalp->fd < 0) || (sp->cdb_len > sizeof (sctl_io.cdb))) {
+		sp->error = SCG_FATAL;
+		return (0);
+	}
+
+	fillbytes((caddr_t)&sctl_io, sizeof (sctl_io), '\0');
+
+	flags = 0;
+/*	flags = SCTL_INIT_WDTR|SCTL_INIT_SDTR;*/
+	if (sp->flags & SCG_RECV_DATA)
+		flags |= SCTL_READ;
+	if ((sp->flags & SCG_DISRE_ENA) == 0)
+		flags |= SCTL_NO_ATN;
+
+	sctl_io.flags		= flags;
+
+	movebytes(&sp->cdb, sctl_io.cdb, sp->cdb_len);
+	sctl_io.cdb_length	= sp->cdb_len;
+
+	sctl_io.data_length	= sp->size;
+	sctl_io.data		= sp->addr;
+
+	if (sp->timeout == 0)
+		sctl_io.max_msecs = 0;
+	else
+		sctl_io.max_msecs = (sp->timeout * 1000) + 500;
+
+	errno		= 0;
+	sp->error	= SCG_NO_ERROR;
+	sp->sense_count	= 0;
+	sp->u_scb.cmd_scb[0] = 0;
+	sp->resid	= 0;
+
+	ret = ioctl(usalp->fd, SIOC_IO, &sctl_io);
+	if (ret < 0) {
+		sp->error = SCG_FATAL;
+		sp->ux_errno = errno;
+		return (ret);
+	}
+if (usalp->debug > 0)
+fprintf(stderr, "cdb_status: %X, size: %d xfer: %d\n", sctl_io.cdb_status, sctl_io.data_length, sctl_io.data_xfer);
+
+	if (sctl_io.cdb_status == 0 || sctl_io.cdb_status == 0x02)
+		sp->resid = sp->size - sctl_io.data_xfer;
+
+	if (sctl_io.cdb_status & SCTL_SELECT_TIMEOUT ||
+			sctl_io.cdb_status & SCTL_INVALID_REQUEST) {
+		sp->error = SCG_FATAL;
+	} else if (sctl_io.cdb_status & SCTL_INCOMPLETE) {
+		sp->error = SCG_TIMEOUT;
+	} else if (sctl_io.cdb_status > 0xFF) {
+		errmsgno(EX_BAD, "SCSI problems: cdb_status: %X\n", sctl_io.cdb_status);
+
+	} else if ((sctl_io.cdb_status & 0xFF) != 0) {
+		sp->error = SCG_RETRYABLE;
+		sp->ux_errno = EIO;
+
+		sp->u_scb.cmd_scb[0] = sctl_io.cdb_status & 0xFF;
+
+		sp->sense_count = sctl_io.sense_xfer;
+		if (sp->sense_count > SCG_MAX_SENSE)
+			sp->sense_count = SCG_MAX_SENSE;
+
+		if (sctl_io.sense_status != S_GOOD) {
+			sp->sense_count = 0;
+		} else {
+			movebytes(sctl_io.sense, sp->u_sense.cmd_sense, sp->sense_count);
+		}
+
+	}
+	return (ret);
+}
+#define	sense	u_sense.Sense