Dmitry V. Levin
1538b9dff3
* sg_io_v3.c (decode_request): Print names of cmd_len, cmdp, and dxferp fields. (decode_response): Print names of dxferp, sb_len_wr, and sbp fields. * sg_io_v4.c (decode_request): Print names of request_len, request, dout_xfer_len, and dout_xferp fields. (decode_response): Print names of response_len, response, and din_xferp fields.
166 lines
5.0 KiB
C
166 lines
5.0 KiB
C
/*
|
|
* Copyright (c) 2007 Vladimir Nadvornik <nadvornik@suse.cz>
|
|
* Copyright (c) 2007-2017 Dmitry V. Levin <ldv@altlinux.org>
|
|
* Copyright (c) 2015 Bart Van Assche <bart.vanassche@sandisk.com>
|
|
* 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 DEF_MPERS_TYPE(struct_sg_io_hdr)
|
|
|
|
# include <scsi/sg.h>
|
|
|
|
typedef struct sg_io_hdr struct_sg_io_hdr;
|
|
|
|
#endif /* HAVE_SCSI_SG_H */
|
|
|
|
#include MPERS_DEFS
|
|
|
|
#include "xlat/sg_io_info.h"
|
|
|
|
#ifdef HAVE_SCSI_SG_H
|
|
# include "xlat/sg_io_dxfer_direction.h"
|
|
# include "xlat/sg_io_flags.h"
|
|
|
|
static void
|
|
print_sg_io_buffer(struct tcb *const tcp, const kernel_ulong_t addr,
|
|
const unsigned int len)
|
|
{
|
|
printstr_ex(tcp, addr, len, QUOTE_FORCE_HEX);
|
|
}
|
|
|
|
static int
|
|
decode_request(struct tcb *const tcp, const kernel_ulong_t arg)
|
|
{
|
|
struct_sg_io_hdr sg_io;
|
|
static const size_t skip_iid =
|
|
offsetof(struct_sg_io_hdr, dxfer_direction);
|
|
|
|
tprints("{interface_id='S', ");
|
|
if (umoven_or_printaddr(tcp, arg + skip_iid, sizeof(sg_io) - skip_iid,
|
|
&sg_io.dxfer_direction)) {
|
|
tprints("}");
|
|
return RVAL_DECODED | 1;
|
|
}
|
|
|
|
tprints("dxfer_direction=");
|
|
printxval(sg_io_dxfer_direction, sg_io.dxfer_direction,
|
|
"SG_DXFER_???");
|
|
tprintf(", cmd_len=%u, cmdp=", sg_io.cmd_len);
|
|
print_sg_io_buffer(tcp, ptr_to_kulong(sg_io.cmdp), sg_io.cmd_len);
|
|
tprintf(", mx_sb_len=%d", sg_io.mx_sb_len);
|
|
tprintf(", iovec_count=%d", sg_io.iovec_count);
|
|
tprintf(", dxfer_len=%u", sg_io.dxfer_len);
|
|
tprintf(", timeout=%u", sg_io.timeout);
|
|
tprints(", flags=");
|
|
printflags(sg_io_flags, sg_io.flags, "SG_FLAG_???");
|
|
|
|
if (sg_io.dxfer_direction == SG_DXFER_TO_DEV ||
|
|
sg_io.dxfer_direction == SG_DXFER_TO_FROM_DEV) {
|
|
tprints(", dxferp=");
|
|
if (sg_io.iovec_count)
|
|
tprint_iov_upto(tcp, sg_io.iovec_count,
|
|
ptr_to_kulong(sg_io.dxferp),
|
|
IOV_DECODE_STR,
|
|
sg_io.dxfer_len);
|
|
else
|
|
print_sg_io_buffer(tcp, ptr_to_kulong(sg_io.dxferp),
|
|
sg_io.dxfer_len);
|
|
}
|
|
return 1;
|
|
}
|
|
|
|
static int
|
|
decode_response(struct tcb *const tcp, const kernel_ulong_t arg)
|
|
{
|
|
struct_sg_io_hdr sg_io;
|
|
|
|
if (umove(tcp, arg, &sg_io) < 0) {
|
|
tprints(", ???");
|
|
return RVAL_DECODED | 1;
|
|
}
|
|
|
|
if (sg_io.interface_id != (unsigned char) 'S') {
|
|
tprintf(" => interface_id=%u", sg_io.interface_id);
|
|
return RVAL_DECODED | 1;
|
|
}
|
|
|
|
if (sg_io.dxfer_direction == SG_DXFER_FROM_DEV ||
|
|
sg_io.dxfer_direction == SG_DXFER_TO_FROM_DEV) {
|
|
uint32_t din_len = sg_io.dxfer_len;
|
|
|
|
if (sg_io.resid > 0)
|
|
din_len -= sg_io.resid;
|
|
tprints(", dxferp=");
|
|
if (sg_io.iovec_count)
|
|
tprint_iov_upto(tcp, sg_io.iovec_count,
|
|
ptr_to_kulong(sg_io.dxferp),
|
|
syserror(tcp) ? IOV_DECODE_ADDR :
|
|
IOV_DECODE_STR, din_len);
|
|
else
|
|
print_sg_io_buffer(tcp, ptr_to_kulong(sg_io.dxferp),
|
|
din_len);
|
|
}
|
|
tprintf(", status=%#x", sg_io.status);
|
|
tprintf(", masked_status=%#x", sg_io.masked_status);
|
|
tprintf(", sb_len_wr=%u, sbp=", sg_io.sb_len_wr);
|
|
print_sg_io_buffer(tcp, ptr_to_kulong(sg_io.sbp), sg_io.sb_len_wr);
|
|
tprintf(", host_status=%#x", sg_io.host_status);
|
|
tprintf(", driver_status=%#x", sg_io.driver_status);
|
|
tprintf(", resid=%d", sg_io.resid);
|
|
tprintf(", duration=%d", sg_io.duration);
|
|
tprints(", info=");
|
|
printflags(sg_io_info, sg_io.info, "SG_INFO_???");
|
|
|
|
return RVAL_DECODED | 1;
|
|
}
|
|
|
|
#else /* !HAVE_SCSI_SG_H */
|
|
|
|
static int
|
|
decode_request(struct tcb *const tcp, const kernel_ulong_t arg)
|
|
{
|
|
tprints("{interface_id='S', ...}");
|
|
return RVAL_DECODED | 1;
|
|
}
|
|
|
|
static int
|
|
decode_response(struct tcb *const tcp, const kernel_ulong_t arg)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
#endif
|
|
|
|
MPERS_PRINTER_DECL(int, decode_sg_io_v3,
|
|
struct tcb *const tcp, const kernel_ulong_t arg)
|
|
{
|
|
return entering(tcp) ? decode_request(tcp, arg)
|
|
: decode_response(tcp, arg);
|
|
}
|