7e69ed98cd
Saves tons of casts. Signed-off-by: Denys Vlasenko <dvlasenk@redhat.com>
292 lines
7.9 KiB
C
292 lines
7.9 KiB
C
/*
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* Copyright (c) 2007 Vladimir Nadvornik <nadvornik@suse.cz>
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* Copyright (c) 2007 Dmitry V. Levin <ldv@altlinux.org>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "defs.h"
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#ifdef HAVE_SCSI_SG_H
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# include <sys/ioctl.h>
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# include <scsi/sg.h>
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# include "xlat/sg_io_dxfer_direction.h"
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# ifdef HAVE_LINUX_BSG_H
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# include <linux/bsg.h>
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# include <sys/uio.h>
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# include "xlat/bsg_protocol.h"
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# include "xlat/bsg_subprotocol.h"
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# endif
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static void
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print_sg_io_buffer(struct tcb *tcp, unsigned long addr, const unsigned int len)
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{
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unsigned char *buf = NULL;
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unsigned int allocated, i;
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tprints("[");
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if (len == 0)
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goto out;
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allocated = (len > max_strlen) ? max_strlen : len;
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if ((buf = malloc(allocated)) == NULL ||
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umoven(tcp, addr, allocated, buf) < 0) {
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tprintf("%#lx", addr);
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goto out;
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}
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tprintf("%02x", buf[0]);
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for (i = 1; i < allocated; ++i)
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tprintf(", %02x", buf[i]);
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if (allocated != len)
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tprints(", ...");
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out:
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free(buf);
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tprints("]");
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}
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static void
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print_sg_io_v3_req(struct tcb *tcp, long arg)
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{
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struct sg_io_hdr sg_io;
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if (umove(tcp, arg, &sg_io) < 0) {
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tprintf(", %#lx", arg);
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return;
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}
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tprints(", ");
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printxval(sg_io_dxfer_direction, sg_io.dxfer_direction,
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"SG_DXFER_???");
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tprintf(", cmd[%u]=", sg_io.cmd_len);
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print_sg_io_buffer(tcp, (unsigned long) sg_io.cmdp, sg_io.cmd_len);
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tprintf(", mx_sb_len=%d", sg_io.mx_sb_len);
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tprintf(", iovec_count=%d", sg_io.iovec_count);
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tprintf(", dxfer_len=%u", sg_io.dxfer_len);
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tprintf(", timeout=%u", sg_io.timeout);
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tprintf(", flags=%#x", sg_io.flags);
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if (sg_io.dxfer_direction == SG_DXFER_TO_DEV ||
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sg_io.dxfer_direction == SG_DXFER_TO_FROM_DEV) {
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tprintf(", data[%u]=", sg_io.dxfer_len);
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if (sg_io.iovec_count)
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tprint_iov_upto(tcp, sg_io.iovec_count,
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(unsigned long) sg_io.dxferp, 1,
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sg_io.dxfer_len);
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else
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print_sg_io_buffer(tcp, (unsigned long) sg_io.dxferp,
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sg_io.dxfer_len);
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}
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}
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static void
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print_sg_io_v3_res(struct tcb *tcp, long arg)
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{
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struct sg_io_hdr sg_io;
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if (umove(tcp, arg, &sg_io) < 0) {
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tprintf(", %#lx", arg);
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return;
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}
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if (sg_io.dxfer_direction == SG_DXFER_FROM_DEV ||
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sg_io.dxfer_direction == SG_DXFER_TO_FROM_DEV) {
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uint32_t din_len = sg_io.dxfer_len;
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if (sg_io.resid > 0)
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din_len -= sg_io.resid;
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tprintf(", data[%u]=", din_len);
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if (sg_io.iovec_count)
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tprint_iov_upto(tcp, sg_io.iovec_count,
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(unsigned long) sg_io.dxferp, 1,
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din_len);
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else
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print_sg_io_buffer(tcp, (unsigned long) sg_io.dxferp,
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din_len);
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}
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tprintf(", status=%02x", sg_io.status);
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tprintf(", masked_status=%02x", sg_io.masked_status);
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tprintf(", sb[%u]=", sg_io.sb_len_wr);
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print_sg_io_buffer(tcp, (unsigned long) sg_io.sbp, sg_io.sb_len_wr);
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tprintf(", host_status=%#x", sg_io.host_status);
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tprintf(", driver_status=%#x", sg_io.driver_status);
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tprintf(", resid=%d", sg_io.resid);
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tprintf(", duration=%d", sg_io.duration);
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tprintf(", info=%#x", sg_io.info);
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}
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#ifdef HAVE_LINUX_BSG_H
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static void
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print_sg_io_v4_req(struct tcb *tcp, long arg)
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{
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struct sg_io_v4 sg_io;
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if (umove(tcp, arg, &sg_io) < 0) {
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tprintf(", %#lx", arg);
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return;
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}
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tprints(", ");
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printxval(bsg_protocol, sg_io.protocol, "BSG_PROTOCOL_???");
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tprints(", ");
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printxval(bsg_subprotocol, sg_io.subprotocol, "BSG_SUB_PROTOCOL_???");
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tprintf(", request[%u]=", sg_io.request_len);
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print_sg_io_buffer(tcp, sg_io.request, sg_io.request_len);
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tprintf(", request_tag=%llu", (unsigned long long) sg_io.request_tag);
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tprintf(", request_attr=%u", sg_io.request_attr);
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tprintf(", request_priority=%u", sg_io.request_priority);
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tprintf(", request_extra=%u", sg_io.request_extra);
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tprintf(", max_response_len=%u", sg_io.max_response_len);
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tprintf(", dout_iovec_count=%u", sg_io.dout_iovec_count);
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tprintf(", dout_xfer_len=%u", sg_io.dout_xfer_len);
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tprintf(", din_iovec_count=%u", sg_io.din_iovec_count);
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tprintf(", din_xfer_len=%u", sg_io.din_xfer_len);
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tprintf(", timeout=%u", sg_io.timeout);
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tprintf(", flags=%u", sg_io.flags);
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tprintf(", usr_ptr=%llu", (unsigned long long) sg_io.usr_ptr);
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tprintf(", spare_in=%u", sg_io.spare_in);
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tprintf(", dout[%u]=", sg_io.dout_xfer_len);
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if (sg_io.dout_iovec_count)
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tprint_iov_upto(tcp, sg_io.dout_iovec_count, sg_io.dout_xferp,
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1, sg_io.dout_xfer_len);
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else
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print_sg_io_buffer(tcp, sg_io.dout_xferp, sg_io.dout_xfer_len);
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}
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static void
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print_sg_io_v4_res(struct tcb *tcp, long arg)
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{
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struct sg_io_v4 sg_io;
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uint32_t din_len;
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if (umove(tcp, arg, &sg_io) < 0) {
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tprintf(", %#lx", arg);
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return;
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}
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tprintf(", response[%u]=", sg_io.response_len);
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print_sg_io_buffer(tcp, sg_io.response, sg_io.response_len);
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din_len = sg_io.din_xfer_len;
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if (sg_io.din_resid > 0)
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din_len -= sg_io.din_resid;
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tprintf(", din[%u]=", din_len);
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if (sg_io.din_iovec_count)
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tprint_iov_upto(tcp, sg_io.din_iovec_count, sg_io.din_xferp,
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1, din_len);
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else
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print_sg_io_buffer(tcp, sg_io.din_xferp, din_len);
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tprintf(", driver_status=%u", sg_io.driver_status);
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tprintf(", transport_status=%u", sg_io.transport_status);
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tprintf(", device_status=%u", sg_io.device_status);
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tprintf(", retry_delay=%u", sg_io.retry_delay);
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tprintf(", info=%u", sg_io.info);
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tprintf(", duration=%u", sg_io.duration);
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tprintf(", response_len=%u", sg_io.response_len);
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tprintf(", din_resid=%u", sg_io.din_resid);
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tprintf(", dout_resid=%u", sg_io.dout_resid);
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tprintf(", generated_tag=%llu", (unsigned long long) sg_io.generated_tag);
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tprintf(", spare_out=%u", sg_io.spare_out);
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}
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#else /* !HAVE_LINUX_BSG_H */
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static void
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print_sg_io_v4_req(struct tcb *tcp, long arg)
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{
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tprintf(", %#lx", arg);
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}
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static void
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print_sg_io_v4_res(struct tcb *tcp, long arg)
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{
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}
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#endif
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static void
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print_sg_io_req(struct tcb *tcp, uint32_t iid, long arg)
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{
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tprintf("{'%c'", iid);
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switch (iid) {
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case 'S':
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print_sg_io_v3_req(tcp, arg);
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break;
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case 'Q':
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print_sg_io_v4_req(tcp, arg);
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break;
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default:
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tprints(", ...");
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}
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}
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static void
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print_sg_io_res(struct tcb *tcp, uint32_t iid, long arg)
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{
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if (!syserror(tcp)) {
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switch (iid) {
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case 'S':
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print_sg_io_v3_res(tcp, arg);
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break;
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case 'Q':
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print_sg_io_v4_res(tcp, arg);
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break;
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}
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}
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tprintf("}");
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}
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int
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scsi_ioctl(struct tcb *tcp, const unsigned int code, long arg)
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{
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uint32_t iid;
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switch (code) {
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case SG_IO:
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if (entering(tcp)) {
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tprints(", ");
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if (umove(tcp, arg, &iid) < 0)
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tprintf("%#lx", arg);
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else
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print_sg_io_req(tcp, iid, arg);
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} else {
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if (umove(tcp, arg, &iid) >= 0)
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print_sg_io_res(tcp, iid, arg);
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}
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break;
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default:
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if (entering(tcp))
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tprintf(", %#lx", arg);
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break;
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}
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return 1;
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}
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#endif /* HAVE_SCSI_SG_H */
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