mirror of https://gitee.com/openkylin/linux.git
126 lines
1.9 KiB
ReStructuredText
126 lines
1.9 KiB
ReStructuredText
.. -*- coding: utf-8; mode: rst -*-
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.. _CA_GET_SLOT_INFO:
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================
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CA_GET_SLOT_INFO
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================
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Name
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----
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CA_GET_SLOT_INFO
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Synopsis
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--------
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.. c:function:: int ioctl(fd, CA_GET_SLOT_INFO, struct ca_slot_info *info)
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:name: CA_GET_SLOT_INFO
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Arguments
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---------
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``fd``
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File descriptor returned by a previous call to :c:func:`open() <cec-open>`.
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``info``
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Pointer to struct c:type:`ca_slot_info`.
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.. _ca_slot_info_type:
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.. flat-table:: ca_slot_info types
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:header-rows: 1
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:stub-columns: 0
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-
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- type
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- name
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- description
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-
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- CA_CI
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- 1
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- CI high level interface
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-
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- CA_CI_LINK
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- 2
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- CI link layer level interface
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-
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- CA_CI_PHYS
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- 4
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- CI physical layer level interface
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-
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- CA_DESCR
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- 8
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- built-in descrambler
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-
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- CA_SC
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- 128
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- simple smart card interface
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.. _ca_slot_info_flag:
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.. flat-table:: ca_slot_info flags
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:header-rows: 1
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:stub-columns: 0
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-
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- type
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- name
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- description
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-
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- CA_CI_MODULE_PRESENT
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- 1
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- module (or card) inserted
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-
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- CA_CI_MODULE_READY
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- 2
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-
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.. c:type:: ca_slot_info
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.. flat-table:: struct ca_slot_info
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:header-rows: 1
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:stub-columns: 0
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-
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- type
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- name
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- description
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-
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- int
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- num
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- slot number
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-
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- int
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- type
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- CA interface this slot supports, as defined at :ref:`ca_slot_info_type`.
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-
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- unsigned int
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- flags
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- flags as defined at :ref:`ca_slot_info_flag`.
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Description
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-----------
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.. note:: This ioctl is undocumented. Documentation is welcome.
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Return Value
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------------
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On success 0 is returned, on error -1 and the ``errno`` variable is set
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appropriately. The generic error codes are described at the
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:ref:`Generic Error Codes <gen-errors>` chapter.
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