src/bin/listdev/dm_wrapper.c

   1 /*
   2  * Copyright 2006-2012, Haiku, Inc. All Rights Reserved.
   3  * Distributed under the terms of the MIT License.
   4  */
   5
   6
   7 #include <errno.h>
   8 #include <fcntl.h>
   9 #include <stdio.h>
  10 #include <unistd.h>
  11
  12 #include <drivers/device_manager.h>
  13 #include <device_manager_defs.h>
  14 #include <generic_syscall_defs.h>
  15 #include <string.h>
  16 #include <syscalls.h>
  17
  18 #include "dm_wrapper.h"
  19
  20
  21 status_t init_dm_wrapper(void)
  22 {
  23         uint32 version = 0;
  24         return _kern_generic_syscall(DEVICE_MANAGER_SYSCALLS, B_SYSCALL_INFO,
  25                 &version, sizeof(version));
  26 }
  27
  28
  29 status_t uninit_dm_wrapper(void)
  30 {
  31         return B_OK;
  32 }
  33
  34
  35 status_t
  36 get_root(device_node_cookie *cookie)
  37 {
  38         return _kern_generic_syscall(DEVICE_MANAGER_SYSCALLS, DM_GET_ROOT,
  39                 cookie, sizeof(device_node_cookie));
  40 }
  41
  42
  43 status_t
  44 get_child(device_node_cookie *device)
  45 {
  46         return _kern_generic_syscall(DEVICE_MANAGER_SYSCALLS, DM_GET_CHILD,
  47                 device, sizeof(device_node_cookie));
  48 }
  49
  50
  51 status_t
  52 get_next_child(device_node_cookie *device)
  53 {
  54         return _kern_generic_syscall(DEVICE_MANAGER_SYSCALLS, DM_GET_NEXT_CHILD,
  55                 device, sizeof(device_node_cookie));
  56 }
  57
  58
  59 status_t
  60 dm_get_next_attr(struct device_attr_info *attr)
  61 {
  62         return _kern_generic_syscall(DEVICE_MANAGER_SYSCALLS, DM_GET_NEXT_ATTRIBUTE,
  63                 attr, sizeof(struct device_attr_info));
  64 }