src/apps/devices/dm_wrapper.c

   1 /*
   2  * Copyright 2006 Haiku Inc. All rights reserved.
   3  * Distributed under the terms of the MIT License.
   4  *
   5  * Authors:
   6  *              Jerome Duval (listdev)
   7  */
   8
   9
  10 #include <errno.h>
  11 #include <fcntl.h>
  12 #include <stdio.h>
  13 #include <unistd.h>
  14
  15 #include <drivers/device_manager.h>
  16 #include <device_manager_defs.h>
  17 #include <generic_syscall_defs.h>
  18 #include <string.h>
  19 #include <syscalls.h>
  20
  21 #include "dm_wrapper.h"
  22
  23
  24 status_t
  25 init_dm_wrapper(void)
  26 {
  27         uint32 version = 0;
  28         return _kern_generic_syscall(DEVICE_MANAGER_SYSCALLS, B_SYSCALL_INFO,
  29                 &version, sizeof(version));
  30 }
  31
  32
  33 status_t
  34 uninit_dm_wrapper(void)
  35 {
  36         return B_OK;
  37 }
  38
  39
  40 status_t
  41 get_root(device_node_cookie *cookie)
  42 {
  43         return _kern_generic_syscall(DEVICE_MANAGER_SYSCALLS, DM_GET_ROOT, cookie,
  44                 sizeof(device_node_cookie));
  45 }
  46
  47
  48 status_t
  49 get_child(device_node_cookie *device)
  50 {
  51         return _kern_generic_syscall(DEVICE_MANAGER_SYSCALLS, DM_GET_CHILD, device,
  52                 sizeof(device_node_cookie));
  53 }
  54
  55
  56 status_t
  57 get_next_child(device_node_cookie *device)
  58 {
  59         return _kern_generic_syscall(DEVICE_MANAGER_SYSCALLS, DM_GET_NEXT_CHILD,
  60                 device, sizeof(device_node_cookie));
  61 }
  62
  63
  64 status_t
  65 dm_get_next_attr(struct device_attr_info *attr)
  66 {
  67         return _kern_generic_syscall(DEVICE_MANAGER_SYSCALLS,
  68                 DM_GET_NEXT_ATTRIBUTE, attr, sizeof(struct device_attr_info));
  69 }