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Diffstat (limited to 'device/ds_routines.h')
| -rw-r--r-- | device/ds_routines.h | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/device/ds_routines.h b/device/ds_routines.h new file mode 100644 index 00000000..fff21fbe --- /dev/null +++ b/device/ds_routines.h @@ -0,0 +1,52 @@ +/* + * Mach Operating System + * Copyright (c) 1991,1990,1989 Carnegie Mellon University + * All Rights Reserved. + * + * Permission to use, copy, modify and distribute this software and its + * documentation is hereby granted, provided that both the copyright + * notice and this permission notice appear in all copies of the + * software, derivative works or modified versions, and any portions + * thereof, and that both notices appear in supporting documentation. + * + * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" + * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR + * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. + * + * Carnegie Mellon requests users of this software to return to + * + * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU + * School of Computer Science + * Carnegie Mellon University + * Pittsburgh PA 15213-3890 + * + * any improvements or extensions that they make and grant Carnegie Mellon + * the rights to redistribute these changes. + */ +/* + * Author: David B. Golub, Carnegie Mellon University + * Date: 8/89 + * + * Device service utility routines. + */ + +#ifndef DS_ROUTINES_H +#define DS_ROUTINES_H + +#include <vm/vm_map.h> +#include <device/device_types.h> + +/* + * Map for device IO memory. + */ +vm_map_t device_io_map; + +kern_return_t device_read_alloc(); +kern_return_t device_write_get(); +boolean_t device_write_dealloc(); + +boolean_t ds_open_done(); +boolean_t ds_read_done(); +boolean_t ds_write_done(); + +#endif DS_ROUTINES_H |