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c0392efa39
This change adds base infrastructure for implementing internal device
attributes. In the context of the zdev tools, an internal device
attribute is a new type of device attribute with the following
characteristics:
- Can be set and removed like normal device attributes
- Affects zdev-internal handling only
- Does not correspond to an actual device attribute, that is
it has no representation in SysFS
- Can not be set in the active configuration
- Name starts with "zdev:" to prevent conflicts with actual
device attributes
Values for internal device attributes are stored in udev rules alongside
the normal persistent configuration of a device. They are encoded as
udev environment variables. Note that they have no further effect on
udev processing.
Signed-off-by: Peter Oberparleiter <oberpar@linux.vnet.ibm.com>
Signed-off-by: Jan Höppner <hoeppner@linux.ibm.com>
21 lines
462 B
C
21 lines
462 B
C
/*
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* zdev - Modify and display the persistent configuration of devices
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*
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* Copyright IBM Corp. 2017
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*
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* s390-tools is free software; you can redistribute it and/or modify
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* it under the terms of the MIT license. See LICENSE for details.
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*/
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#ifndef INTERNAL_H
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#define INTERNAL_H
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#include <stdbool.h>
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#define INTERNAL_ATTR_PREFIX "zdev:"
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const char *internal_get_name(const char *name);
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bool internal_by_name(const char *name);
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#endif /* INTERNAL_H */
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