1  /*
       2   * Copyright (c) 2018-2021 The strace developers.
       3   * All rights reserved.
       4   *
       5   * SPDX-License-Identifier: LGPL-2.1-or-later
       6   */
       7  
       8  #include "defs.h"
       9  #include <linux/ioctl.h>
      10  #include <linux/types.h>
      11  #include <linux/nbd.h>
      12  
      13  #define XLAT_MACROS_ONLY
      14  #include "xlat/nbd_ioctl_cmds.h"
      15  #undef XLAT_MACROS_ONLY
      16  
      17  #include "xlat/nbd_ioctl_flags.h"
      18  
      19  int
      20  nbd_ioctl(struct tcb *const tcp, const unsigned int code,
      21  	  const kernel_ulong_t arg)
      22  {
      23  	switch (code) {
      24  	case NBD_DISCONNECT:
      25  	case NBD_CLEAR_SOCK:
      26  	case NBD_DO_IT:
      27  	case NBD_CLEAR_QUE:
      28  	case NBD_PRINT_DEBUG:
      29  		return RVAL_IOCTL_DECODED;
      30  
      31  	case NBD_SET_SOCK:
      32  		tprint_arg_next();
      33  		printfd(tcp, arg);
      34  		return RVAL_IOCTL_DECODED;
      35  
      36  	case NBD_SET_BLKSIZE:
      37  	case NBD_SET_SIZE:
      38  	case NBD_SET_SIZE_BLOCKS:
      39  	case NBD_SET_TIMEOUT:
      40  		tprint_arg_next();
      41  		PRINT_VAL_U(arg);
      42  		return RVAL_IOCTL_DECODED;
      43  
      44  	case NBD_SET_FLAGS:
      45  		tprint_arg_next();
      46  		printflags(nbd_ioctl_flags, arg, "NBD_IOC_FLAG_???");
      47  		return RVAL_IOCTL_DECODED;
      48  
      49  	default:
      50  		return RVAL_DECODED;
      51  	}
      52  }