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/*
* Copyright (c) 2007 Vladimir Nadvornik <nadvornik@suse.cz>
* Copyright (c) 2007-2017 Dmitry V. Levin <ldv@altlinux.org>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "defs.h"
#ifdef HAVE_SCSI_SG_H
# include <scsi/sg.h>
#endif
#include "xlat/scsi_sg_commands.h"
#include "xlat/sg_scsi_reset.h"
static int
decode_sg_io(struct tcb *const tcp, const uint32_t iid,
const kernel_ulong_t arg)
{
switch (iid) {
case 'S':
return decode_sg_io_v3(tcp, arg);
case 'Q':
return decode_sg_io_v4(tcp, arg);
default:
tprintf("[%u]", iid);
return RVAL_IOCTL_DECODED;
}
}
#ifdef HAVE_SCSI_SG_H
static int
decode_sg_scsi_id(struct tcb *const tcp, const kernel_ulong_t arg)
{
struct sg_scsi_id id;
if (entering(tcp))
return 0;
tprints(", ");
if (!umove_or_printaddr(tcp, arg, &id)) {
tprintf("{host_no=%d"
", channel=%d"
", scsi_id=%#x"
", lun=%d"
", scsi_type=%#x"
", h_cmd_per_lun=%hd"
", d_queue_depth=%hd}",
id.host_no,
id.channel,
id.scsi_id,
id.lun,
id.scsi_type,
id.h_cmd_per_lun,
id.d_queue_depth);
}
return RVAL_IOCTL_DECODED;
}
#endif /* HAVE_SCSI_SG_H */
int
scsi_ioctl(struct tcb *const tcp, const unsigned int code,
const kernel_ulong_t arg)
{
switch (code) {
case SG_IO:
if (entering(tcp)) {
uint32_t iid;
tprints(", ");
if (umove_or_printaddr(tcp, arg, &iid)) {
break;
} else {
return decode_sg_io(tcp, iid, arg);
}
} else {
uint32_t *piid = get_tcb_priv_data(tcp);
if (piid)
decode_sg_io(tcp, *piid, arg);
tprints("}");
break;
}
#ifdef HAVE_SCSI_SG_H
/* returns struct sg_scsi_id */
case SG_GET_SCSI_ID:
return decode_sg_scsi_id(tcp, arg);
/* returns struct sg_req_info */
case SG_GET_REQUEST_TABLE:
return decode_sg_req_info(tcp, arg);
#endif /* HAVE_SCSI_SG_H */
/* takes a value by pointer */
case SG_SCSI_RESET: {
unsigned int val;
tprints(", ");
if (!umove_or_printaddr(tcp, arg, &val)) {
tprints("[");
if (val & SG_SCSI_RESET_NO_ESCALATE) {
printxval(sg_scsi_reset,
SG_SCSI_RESET_NO_ESCALATE, 0);
tprints("|");
}
printxval(sg_scsi_reset,
val & ~SG_SCSI_RESET_NO_ESCALATE,
"SG_SCSI_RESET_???");
tprints("]");
}
break;
}
/* takes a signed int by pointer */
case SG_NEXT_CMD_LEN:
case SG_SET_COMMAND_Q:
case SG_SET_DEBUG:
case SG_SET_FORCE_LOW_DMA:
case SG_SET_FORCE_PACK_ID:
case SG_SET_KEEP_ORPHAN:
case SG_SET_RESERVED_SIZE:
case SG_SET_TIMEOUT:
tprints(", ");
printnum_int(tcp, arg, "%d");
break;
/* returns a signed int by pointer */
case SG_EMULATED_HOST:
case SG_GET_ACCESS_COUNT:
case SG_GET_COMMAND_Q:
case SG_GET_KEEP_ORPHAN:
case SG_GET_LOW_DMA:
case SG_GET_NUM_WAITING:
case SG_GET_PACK_ID:
case SG_GET_RESERVED_SIZE:
case SG_GET_SG_TABLESIZE:
case SG_GET_TRANSFORM:
case SG_GET_VERSION_NUM:
if (entering(tcp))
return 0;
tprints(", ");
printnum_int(tcp, arg, "%d");
break;
/* takes an integer by value */
case SG_SET_TRANSFORM:
tprintf(", %#x", (unsigned int) arg);
break;
/* no arguments */
case SG_GET_TIMEOUT:
break;
default:
return RVAL_DECODED;
}
return RVAL_IOCTL_DECODED;
}
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