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strace/tests/ioctl_sg_io_v4.c

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/*
* Check decoding of ioctl SG_IO v4 commands.
*
* Copyright (c) 2017-2018 Dmitry V. Levin <ldv@altlinux.org>
* All rights reserved.
*
* SPDX-License-Identifier: GPL-2.0-or-later
*/
#include "tests.h"
#ifdef HAVE_LINUX_BSG_H
# include <inttypes.h>
# include <stdio.h>
# include <sys/ioctl.h>
# include <sys/uio.h>
# include <linux/bsg.h>
# include "xlat/scsi_sg_commands.h"
int
main(void)
{
ioctl(-1, SG_IO, 0);
printf("ioctl(-1, SG_IO, NULL) = -1 EBADF (%m)\n");
TAIL_ALLOC_OBJECT_CONST_PTR(struct sg_io_v4, sg_io);
fill_memory(sg_io, sizeof(*sg_io));
const void *const efault = sg_io + 1;
ioctl(-1, SG_IO, efault);
printf("ioctl(-1, SG_IO, %p) = -1 EBADF (%m)\n", efault);
ioctl(-1, SG_IO, sg_io);
printf("ioctl(-1, SG_IO, [%u]) = -1 EBADF (%m)\n", sg_io->guard);
TAIL_ALLOC_OBJECT_CONST_PTR(unsigned int, pguard);
*pguard = (unsigned char) 'Q';
ioctl(-1, SG_IO, pguard);
printf("ioctl(-1, SG_IO, {guard='Q', %p}) = -1 EBADF (%m)\n", pguard + 1);
sg_io->guard = (unsigned char) 'Q';
sg_io->protocol = 0;
sg_io->subprotocol = 1;
sg_io->flags = -1U;
sg_io->info = -1U;
sg_io->request = (kernel_ulong_t) 0xfacefeedfffffff1ULL;
sg_io->response = (kernel_ulong_t) 0xfacefeedfffffff2ULL;
sg_io->dout_xferp = (kernel_ulong_t) 0xfacefeedfffffff3ULL;
sg_io->din_xferp = (kernel_ulong_t) 0xfacefeedfffffff4ULL;
ioctl(-1, SG_IO, sg_io);
printf("ioctl(-1, SG_IO, {guard='Q'"
", protocol=BSG_PROTOCOL_SCSI"
", subprotocol=BSG_SUB_PROTOCOL_SCSI_TMF"
", request_len=%u"
", request=%#llx"
", request_tag=%#" PRI__x64
", request_attr=%u"
", request_priority=%u"
", request_extra=%u"
", max_response_len=%u"
", dout_iovec_count=%u"
", dout_xfer_len=%u"
", din_iovec_count=%u"
", din_xfer_len=%u"
", dout_xferp=%#llx"
", timeout=%u"
", flags=BSG_FLAG_Q_AT_TAIL|BSG_FLAG_Q_AT_HEAD|0xffffffcf"
", usr_ptr=%#" PRI__x64
", response_len=%u"
", response=%#llx"
", din_xferp=%#llx"
", driver_status=%#x"
", transport_status=%#x"
", device_status=%#x"
", retry_delay=%u"
", info=SG_INFO_CHECK|SG_INFO_DIRECT_IO|SG_INFO_MIXED_IO|0xfffffff8"
", duration=%u"
", response_len=%u"
", din_resid=%d"
", dout_resid=%d"
", generated_tag=%#" PRI__x64 "}) = -1 EBADF (%m)\n",
sg_io->request_len,
(unsigned long long) (kernel_ulong_t) sg_io->request,
sg_io->request_tag,
sg_io->request_attr,
sg_io->request_priority,
sg_io->request_extra,
sg_io->max_response_len,
sg_io->dout_iovec_count,
sg_io->dout_xfer_len,
sg_io->din_iovec_count,
sg_io->din_xfer_len,
(unsigned long long) (kernel_ulong_t) sg_io->dout_xferp,
sg_io->timeout,
sg_io->usr_ptr,
sg_io->response_len,
(unsigned long long) (kernel_ulong_t) sg_io->response,
(unsigned long long) (kernel_ulong_t) sg_io->din_xferp,
sg_io->driver_status,
sg_io->transport_status,
sg_io->device_status,
sg_io->retry_delay,
sg_io->duration,
sg_io->response_len,
sg_io->din_resid,
sg_io->dout_resid,
sg_io->generated_tag);
const struct iovec iov[] = {
{
.iov_base = (void *) efault - 2,
.iov_len = 2
}, {
.iov_base = (void *) efault - 3,
.iov_len = 4
}
};
const struct iovec *const t_iov = tail_memdup(iov, sizeof(iov));
sg_io->dout_iovec_count = ARRAY_SIZE(iov);
sg_io->dout_xfer_len = iov[0].iov_len + iov[1].iov_len - 1;
sg_io->dout_xferp = (unsigned long) t_iov;
sg_io->din_iovec_count = 0;
sg_io->din_xfer_len = 5;
sg_io->din_resid = 1;
sg_io->din_xferp = (unsigned long) efault -
(sg_io->dout_xfer_len - sg_io->din_resid);
sg_io->request_len = 3;
sg_io->request = (unsigned long) efault - sg_io->request_len;
sg_io->response_len = 2;
sg_io->response = (unsigned long) efault - sg_io->response_len;
sg_io->flags = 0x20;
sg_io->info = 1;
ioctl(-1, SG_IO, sg_io);
printf("ioctl(-1, SG_IO, {guard='Q'"
", protocol=BSG_PROTOCOL_SCSI"
", subprotocol=BSG_SUB_PROTOCOL_SCSI_TMF"
", request_len=%u"
", request=\"\\x%x\\x%x\\x%x\""
", request_tag=%#" PRI__x64
", request_attr=%u"
", request_priority=%u"
", request_extra=%u"
", max_response_len=%u"
", dout_iovec_count=%u"
", dout_xfer_len=%u"
", din_iovec_count=%u"
", din_xfer_len=%u"
", dout_xferp=[{iov_base=\"\\%o\\%o\", iov_len=%u}"
", {iov_base=\"\\%o\\%o\\%o\", iov_len=%u}]"
", timeout=%u, flags=BSG_FLAG_Q_AT_HEAD"
", usr_ptr=%#" PRI__x64
", response_len=%u"
", response=\"\\x%x\\x%x\""
", din_xferp=\"\\x%x\\x%x\\x%x\\x%x\""
", driver_status=%#x"
", transport_status=%#x"
", device_status=%#x"
", retry_delay=%u"
", info=SG_INFO_CHECK"
", duration=%u"
", response_len=%u"
", din_resid=%d"
", dout_resid=%d"
", generated_tag=%#" PRI__x64 "}) = -1 EBADF (%m)\n",
sg_io->request_len,
*(unsigned char *) ((unsigned long) sg_io->request + 0),
*(unsigned char *) ((unsigned long) sg_io->request + 1),
*(unsigned char *) ((unsigned long) sg_io->request + 2),
sg_io->request_tag,
sg_io->request_attr,
sg_io->request_priority,
sg_io->request_extra,
sg_io->max_response_len,
sg_io->dout_iovec_count,
sg_io->dout_xfer_len,
sg_io->din_iovec_count,
sg_io->din_xfer_len,
*(unsigned char *) (iov[0].iov_base + 0),
*(unsigned char *) (iov[0].iov_base + 1),
(unsigned int) iov[0].iov_len,
*(unsigned char *) (iov[1].iov_base + 0),
*(unsigned char *) (iov[1].iov_base + 1),
*(unsigned char *) (iov[1].iov_base + 2),
(unsigned int) iov[1].iov_len,
sg_io->timeout,
sg_io->usr_ptr,
sg_io->response_len,
*(unsigned char *) ((unsigned long) sg_io->response + 0),
*(unsigned char *) ((unsigned long) sg_io->response + 1),
*(unsigned char *) ((unsigned long) sg_io->din_xferp + 0),
*(unsigned char *) ((unsigned long) sg_io->din_xferp + 1),
*(unsigned char *) ((unsigned long) sg_io->din_xferp + 2),
*(unsigned char *) ((unsigned long) sg_io->din_xferp + 3),
sg_io->driver_status,
sg_io->transport_status,
sg_io->device_status,
sg_io->retry_delay,
sg_io->duration,
sg_io->response_len,
sg_io->din_resid,
sg_io->dout_resid,
sg_io->generated_tag);
puts("+++ exited with 0 +++");
return 0;
}
#else
SKIP_MAIN_UNDEFINED("HAVE_LINUX_BSG_H")
#endif
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