di_devlink_path(3devinfo)

1di_devlink_path(3DEVINDFeOv)ice Information Library Functidoin_sdevlink_path(3DEVINFO)
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NAME

6       di_devlink_path,  di_devlink_content,  di_devlink_type  -  get  devlink
7       attributes
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SYNOPSIS

10       cc [ flag... ] file... -ldevinfo [ library... ]
11       #include <libdevinfo.h>
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13       const char *di_devlink_path(di_devlink_t devlink);
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16       const char *di_devlink_content(di_devlink_t devlink);
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19       int di_devlink_type(di_devlink_t devlink);
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PARAMETERS

23       devlink    An opaque handle to a devlink.
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DESCRIPTION

27       These functions return various attributes of a devlink.
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RETURN VALUES

30       The di_devlink_path() function returns the absolute path of a  devlink.
31       On error, NULL is returned and errno is set to indicate the error.
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34       The  di_devlink_content()  function returns the content of the symbolic
35       link represented by devlink. On error, NULL is returned  and  errno  is
36       set to indicate the error.
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39       The di_devlink_type() function returns the devlink type, either DI_PRI‐
40       MARY_LINK or DI_SECONDARY_LINK. On error, -1 is returned and  errno  is
41       set to indicate the error.
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ERRORS

44       These functions will fail if:
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46       EINVAL    The devlink argument is invalid.
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ATTRIBUTES

50       See attributes(5)  for descriptions of the following attributes:
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55       ┌─────────────────────────────┬─────────────────────────────┐
56       │      ATTRIBUTE TYPE         │      ATTRIBUTE VALUE        │
57       ├─────────────────────────────┼─────────────────────────────┤
58       │Interface Stability          │Committed                    │
59       ├─────────────────────────────┼─────────────────────────────┤
60       │MT-Level                     │Safe                         │
61       └─────────────────────────────┴─────────────────────────────┘
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