mirror of https://gitee.com/openkylin/linux.git
58 lines
1000 B
ReStructuredText
58 lines
1000 B
ReStructuredText
.. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
|
|
|
|
.. _CA_GET_SLOT_INFO:
|
|
|
|
================
|
|
CA_GET_SLOT_INFO
|
|
================
|
|
|
|
Name
|
|
----
|
|
|
|
CA_GET_SLOT_INFO
|
|
|
|
|
|
Synopsis
|
|
--------
|
|
|
|
.. c:function:: int ioctl(fd, CA_GET_SLOT_INFO, struct ca_slot_info *info)
|
|
:name: CA_GET_SLOT_INFO
|
|
|
|
|
|
Arguments
|
|
---------
|
|
|
|
``fd``
|
|
File descriptor returned by a previous call to :c:func:`open() <cec-open>`.
|
|
|
|
``info``
|
|
Pointer to struct :c:type:`ca_slot_info`.
|
|
|
|
Description
|
|
-----------
|
|
|
|
Returns information about a CA slot identified by
|
|
:c:type:`ca_slot_info`.slot_num.
|
|
|
|
|
|
Return Value
|
|
------------
|
|
|
|
On success 0 is returned, and :c:type:`ca_slot_info` is filled.
|
|
|
|
On error -1 is returned, and the ``errno`` variable is set
|
|
appropriately.
|
|
|
|
.. tabularcolumns:: |p{2.5cm}|p{15.0cm}|
|
|
|
|
.. flat-table::
|
|
:header-rows: 0
|
|
:stub-columns: 0
|
|
:widths: 1 16
|
|
|
|
- - ``ENODEV``
|
|
- the slot is not available.
|
|
|
|
The generic error codes are described at the
|
|
:ref:`Generic Error Codes <gen-errors>` chapter.
|