1.. Permission is granted to copy, distribute and/or modify this
2.. document under the terms of the GNU Free Documentation License,
3.. Version 1.1 or any later version published by the Free Software
4.. Foundation, with no Invariant Sections, no Front-Cover Texts
5.. and no Back-Cover Texts. A copy of the license is included at
6.. Documentation/userspace-api/media/fdl-appendix.rst.
7..
8.. TODO: replace it to GFDL-1.1-or-later WITH no-invariant-sections
9
10.. _CA_GET_SLOT_INFO:
11
12================
13CA_GET_SLOT_INFO
14================
15
16Name
17----
18
19CA_GET_SLOT_INFO
20
21
22Synopsis
23--------
24
25.. c:function:: int ioctl(fd, CA_GET_SLOT_INFO, struct ca_slot_info *info)
26    :name: CA_GET_SLOT_INFO
27
28
29Arguments
30---------
31
32``fd``
33  File descriptor returned by a previous call to :c:func:`open() <cec-open>`.
34
35``info``
36  Pointer to struct :c:type:`ca_slot_info`.
37
38Description
39-----------
40
41Returns information about a CA slot identified by
42:c:type:`ca_slot_info`.slot_num.
43
44
45Return Value
46------------
47
48On success 0 is returned, and :c:type:`ca_slot_info` is filled.
49
50On error -1 is returned, and the ``errno`` variable is set
51appropriately.
52
53.. tabularcolumns:: |p{2.5cm}|p{15.0cm}|
54
55.. flat-table::
56    :header-rows:  0
57    :stub-columns: 0
58    :widths: 1 16
59
60    -  -  ``ENODEV``
61       -  the slot is not available.
62
63The generic error codes are described at the
64:ref:`Generic Error Codes <gen-errors>` chapter.
65