aosp12/external/strace/nbd_ioctl.c

74 lines
2.3 KiB
C

/*
* Copyright (c) 2018 The strace developers.
* 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"
#include "print_fields.h"
#include <linux/ioctl.h>
#include <linux/types.h>
#include <linux/nbd.h>
#define XLAT_MACROS_ONLY
# include "xlat/nbd_ioctl_cmds.h"
#undef XLAT_MACROS_ONLY
#include "xlat/nbd_ioctl_flags.h"
int
nbd_ioctl(struct tcb *const tcp, const unsigned int code,
const kernel_ulong_t arg)
{
switch (code) {
case NBD_DISCONNECT:
case NBD_CLEAR_SOCK:
case NBD_DO_IT:
case NBD_CLEAR_QUE:
case NBD_PRINT_DEBUG:
return RVAL_IOCTL_DECODED;
case NBD_SET_SOCK:
tprints(", ");
printfd(tcp, arg);
return RVAL_IOCTL_DECODED;
case NBD_SET_BLKSIZE:
case NBD_SET_SIZE:
case NBD_SET_SIZE_BLOCKS:
case NBD_SET_TIMEOUT:
tprints(", ");
tprintf("%" PRI_klu, arg);
return RVAL_IOCTL_DECODED;
case NBD_SET_FLAGS:
tprints(", ");
printflags(nbd_ioctl_flags, arg, "NBD_IOC_FLAG_???");
return RVAL_IOCTL_DECODED;
default:
return RVAL_DECODED;
}
}