Jérôme Duval
b12912bead
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@19235 a95241bf-73f2-0310-859d-f6bbb57e9c96
40 lines
728 B
C
40 lines
728 B
C
#ifndef _CONFIG_DRIVER_H_
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#define _CONFIG_DRIVER_H_
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/* definitions for the /dev/misc/config driver which provides access
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* to the device_manager via calls to ioctl().
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*/
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/* the magic is the ioctl */
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#define DM_GET_CHILD 'GCHI'
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#define DM_GET_NEXT_CHILD 'GNCH'
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#define DM_GET_PARENT 'GPAR'
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#define DM_GET_NEXT_ATTRIBUTE 'GNAT'
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#define DM_RETRIEVE_ATTRIBUTE 'RATT'
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struct dev_attr {
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char name[255];
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type_code type;
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union {
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uint8 ui8;
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uint16 ui16;
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uint32 ui32;
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uint64 ui64;
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char string[255];
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struct {
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void *data;
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size_t length;
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} raw;
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} value;
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};
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struct dm_ioctl_data {
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uint32 magic;
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struct dev_attr *attr;
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};
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#define DM_DEVICE_NAME "misc/config"
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#endif /* _CONFIG_DRIVER_H_ */
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